text:
Office of Scientific and Technical Information
White Pine Blister Rust in High-Elevation White Pines: Screening for Simply-Inherited,
E-Print Network [OSTI]
White Pine Blister Rust in High-Elevation White Pines: Screening for Simply________________ Recent concern about survival and recovery of high- elevation white pine ecosystems has returned white rust- resistance mechanisms in high-elevation white pines, including whitebark (Pinus albicaulis
The White Pine Controlled Collapse Scott Phillips
The White Pine Controlled Collapse Experiment Scott Phillips D. Craig Pearson C.L. Edwards Brian W Los Alamos, NM 87545 November 25, 1996 LAUR-96-2642 #12;The White Pine Controlled Collapse Experiment Summary We recorded an explosively induced, 320 m deep, mine collapse and subsequent aftershocks at White
White Pine in the Northern Forests: An Ecological and Management History of White Pine on the Bad River Reservation of Wisconsin
White Pine in the Northern Forests: An Ecological and Management History of White Pine on the Bad-ADAMS, NANCY LANGSTON, AND DAVID J.MLADENOFF white pine inthe northern forests: AN ECOLOGICAL AND MANAGEMENTHISTORY OF WHITE PINE ON THE BAD RIVERRESERVATIONOF WISCONSIN ABSTRACT This essay examines eastern white
Langston, Nancy
White pines, Ribes, and blister rust: integration and action By R. S. Hunt1
REVIEW White pines, Ribes, and blister rust: integration and action By R. S. Hunt1 , B. W. Geils2 in this series review the history, biology and management of white pine blister rust in North America, Europe for understanding and managing epidemics of Cronartium ribicola in the white pines (five-needle pines in subgenus
EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine...
Broader source: Energy.gov (indexed) [DOE]
3: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and Clark counties, NV EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine, Nye, Lincoln, and...
White pine (Pinus strobus L.) regeneration dynamics at the species' northern limit of continuous distribution
White pine (Pinus strobus L.) regeneration dynamics at the species' northern limit of continuous white pine (Pinus strobus L.) has been significantly reduced across its distribution range over the past quantified natural white pine regeneration in unmanaged mature stands, identified the most important
Asselin, Hugo
White Pine Emission Trends of Monoterpenes and Sesquiterpenes After Acute Ozone Exposure
White Pine Emission Trends of Monoterpenes and Sesquiterpenes After Acute Ozone Exposure Daniel M of White Pine (Pinus strobus) specimens located at the University of Michigan Biological Station (UMBS). To measure terpene production, dynamic branch enclosures were simultaneously positioned on White Pine
Collins, Gary S.
White pines, Ribes, and blister rust: a review and synthesis By Brian W. Geils1,4
REVIEW White pines, Ribes, and blister rust: a review and synthesis By Brian W. Geils1,4 , Kim E, white pine blister rust (Cronartium ribicola) has linked white pines (Strobus) with currants in genetics and proteomics, our current understanding and management of the white pine blister rust
The Contrasting Response to Soil Disturbance between Lodgepole Pine and Hybrid White Spruce in Subboreal Forests
for evaluating the sustainability of forest management (Curran et al., 2005). Soil disturbance can play a roleThe Contrasting Response to Soil Disturbance between Lodgepole Pine and Hybrid White Spruce in Subboreal Forests J. M. Kranabetter,* P. Sanborn, B. K. Chapman, and S. Dube ABSTRACT Reductions in soil
Sanborn, Paul
GENERAL TECHNICAL REPORT PSW-GTR-240 White Pine Blister Rust Resistance of 12 Western
have been assessed for white pine blister rust infection and mortality at multiple ages since they were of the families were from wind-pollinated seedlots from forest stands and represent some of the top ranked had moderate to high levels of blister rust infection, and moderate levels of mortality were present
Standiford, Richard B.
Proceedings of the 17th Central Hardwood Forest Conference GTR-NRS-P-78 (2011) 658 White pine (Pinus strobus L.) is one of the most important timber trees in the northeastern United States and
for wind breaks and erosion control and as an ornamental. Unusual mortality of bare-root seedlings of white throughout the state. There are numerous possible explanations for white pine seedling mortality which may all influence seedling mortality after planting (Venator 1985). Also, extreme weather conditions after
Seasonal feeding habits of white-tailed deer (Odocoileus virginianus Bodd.) in young loblolly pine (pinus taeda L.) plantations
Two-year old loblolly pine plantations were selected because at that age the tender apical buds of the young pines are within the feeding range of the deer. The two sites chosen had similar site preparation, were planted to the identical species..., as plant growth mstures in late spring or early suarer the tissues, particularly stems, of all species decline in palatability as the fiber fraction increases (Short 1969) . Thus, selectivity by deer may be affected by food quality as well as food...
Furrh, Patricia Louise
Plenary Paper The Magnificent High-Elevation Five-Needle White Pines: Ecological Roles and Future Outlook.........................2
....................................................................................................61 Jennifer D. Scott, Diana F. Tomback, Michael B. Wunder Limber Pine Health in the Canadian Rockies.................................................66 Diana F. Tomback, Anna W. Schoettle, Mario J. Perez, Kristen M. Grompone, Sabine Mellmann-Brown, Elizabeth Campbell, Ken Gibson, Sandra Kegley, Jesse Logan, Diana Six Extended Abstracts Health of Whitebark
USDA Forest Service Proceedings RMRS-P-63. 2011. 365 Limber Pine Seed and Seedling Planting Experiment
source for many animals. Limber pine populations are declin- ing due to a combination of white pine such as rocks or stumps. Introduction Limber pine (Pinus flexilis) is a distinctive five-needled white pine-compete the shade-intolerant limber pine as the habitat nears succes- sional maturity (Baumeister and Callaway 2006
Pine Ridge Area Community Wildfire Protection Plan
Pine Ridge Area Community Wildfire Protection Plan Update 2013 West Ash Fire: Wednesday August 29 the boundary of the original plan to include all the area within the Upper Niobrara White Natural Resource, 2012 #12;Facilitated by: Nebraska Forest Service In cooperation with: Region 23 Fire Protection
Farritor, Shane
Black Pine Engineering
Broader source: Energy.gov [DOE]
Black Pine Engineering is commercializing a disruptive technology in the turbomachinery industry. Using a patented woven composite construction, Black Pine Engineering can make turbomachines (turbines, compressors) that are cheaper and lighter than competing technologies. Using this technology, Black Pine Engineering will sell turbo-compressors which solve the problem of wasted steam in geothermal power plants.
Producing Pine Straw in East Texas Forests
Managing pine forests for the production of pine straw is a promising new enterprise in East Texas. This publication explains the processes and equipment needed to harvest and market pine straw....
Taylor, Eric; Foster, C. Darwin
Black Pine Circle Project
SciTech Connect (OSTI)
A group of seventh graders from Black Pine Circle school in Berkeley had the opportunity to experience the Advanced Light Source (ALS) as "users" via a collaborative field trip and proposal project. The project culminated with a field trip to the ALS for all seventh graders, which included a visit to the ALS data visualization room, a diffraction demonstration, a beamline tour, and informative sessions about x-rays and tomography presented by ALS scientists.
Mytko, Christine
ScienceCinema (OSTI)
Tappable Pine Trees: Commercial Production of Terpene Biofuels in Pine
PETRO Project: The University of Florida is working to increase the amount of turpentine in harvested pine from 4% to 20% of its dry weight. While enhanced feedstocks for biofuels have generally focused on fuel production from leafy plants and grasses, the University of Florida is experimenting with enhancing fuel production in a species of pine that is currently used in the paper pulping industry. Pine trees naturally produce around 3-5% terpene content in the wood�terpenes are the energy-dense fuel molecules that are the predominant components of turpentine. The team aims to increase the terpene storage potential and production capacity while improving the terpene composition to a point at which the trees could be tapped while alive, like sugar maples. Growth and production from these trees will take years, but this pioneering technology could have significant impact in making available an economical and domestic source of aviation and diesel biofuels.
Southern Pine Based on Biorefinery Center
This program seeks to develop an integrated southern pine wood to biofuels/biomaterials processing facility on the Recipient�s campus, that will test advanced integrated wood processing technologies at the laboratory scale, including: � The generation of the bioethanol from pines residues and hemicelluloses extracted from pine woodchips; � The conversion of extracted woodchips to linerboard and bleach grade pulps; and � The efficient conversion of pine residues, bark and kraft cooking liquor into a useful pyrolysis oil.
Ragauskas, Arthur J; Singh, Preet
White Roofs
Secretary Steven Chu discusses the benefits of switching to white roofs and light colored pavements.
Chu, Steven
Franny White
Franny White is a News & Media Relations Specialist at the Energy Department�s Pacific Northwest National Laboratory.
White Day
but also to their male co-workers. Men have White Day a month later on March 14th. Created by a sweets manufacturer in 1980 to boost sales, White Day is more of a marketing ploy than a holiday. On White Day, you will see men scurrying about purchasing giri...
Hacker, Randi
White Pine County, Nevada: Energy Resources | Open Energy Information
Open Energy Info (EERE)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:SeadovCooperative Jump to:Westview,Geothermal Project Jump
Transcript profiling of differentiating xylem of loblolly pine (Pinus taeda L.)
were studied using microarrays containing 384 cDNAs (Heath et al., 2002) and the effects of PEG (polyethylene glycol) on gene expression during white spruce somatic embryogenesis was investigated using loblolly pine microarrays containing 2178 c...., 1998; Whetten et al., 2001), microarray analysis (Hertzberg et al., 2001; Whetten et al., 2001; Heath et al., 2002; van Zyl et al., 2002), 2-D PAGE (Costa et al., 1999; Mijnsbrugge et al., 2000), and SAGE (Lorenz and Dean, 2002), it is now possible...
Yang, Suk-Hwan
Daniel White
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
Daniel White About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies...
Pine-fresh Particles | EMSL
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006Photovoltaic Theory and Modeling LosPhysicsEtchedSpatialPine-fresh
White Rock
Furnished house for rent in rural White Rock Bright and sunny Ideal for a young family Safe neighborhood 10 min drive to LANL 1300 per month, basic utilities included 1180 sq ft....
Pine Straw as a Ground Cover Mulch
, or half a pound of straw per square foot. An additional inch of pine straw may be applied each year for best appearance. A 40-pound bale will typically cover about 100 square feet (a 10- by 10-foot bed) to a 2-inch depth. For the same amount of coverage... using pine straw may be $1.60 to $4.60 per 10- by 10- foot bed (or 1.6? to 4.6? per square foot). Texas pine straw is available mainly to landscap- ers, but a retail market is developing and it will likely become more available at garden centers...
Taylor, Eric; Tate, Jay
Microsoft Word - Tall_Pines_CX.doc
Project Manager - KEWM-4 Proposed Action: Provision of funds to the Idaho Department of Fish and Game for purchase of the Tall Pines Property. Fish and Wildlife Project No.:...
Pine Tree Development Zones Program (Maine)
The Pine Tree Development Zones program offers eligible businesses the chance to reduce, and sometimes eliminate, state taxes for up to ten years. There is a statutory requirement of hiring a...
Electrokinetic transport in microchannels with random roughness
We present a numerical framework to model the electrokinetic transport in microchannels with random roughness. The three-dimensional microstructure of the rough channel is generated by a random generation-growth method with three statistical parameters to control the number density, the total volume fraction, and the anisotropy characteristics of roughness elements. The governing equations for the electrokinetic transport are solved by a high-efficiency lattice Poisson?Boltzmann method in complex geometries. The effects from the geometric characteristics of roughness on the electrokinetic transport in microchannels are therefore modeled and analyzed. For a given total roughness volume fraction, a higher number density leads to a lower fluctuation because of the random factors. The electroosmotic flow rate increases with the roughness number density nearly logarithmically for a given volume fraction of roughness but decreases with the volume fraction for a given roughness number density. When both the volume fraction and the number density of roughness are given, the electroosmotic flow rate is enhanced by the increase of the characteristic length along the external electric field direction but is reduced by that in the direction across the channel. For a given microstructure of the rough microchannel, the electroosmotic flow rate decreases with the Debye length. It is found that the shape resistance of roughness is responsible for the flow rate reduction in the rough channel compared to the smooth channel even for very thin double layers, and hence plays an important role in microchannel electroosmotic flows.
Wang, Moran [Los Alamos National Laboratory; Kang, Qinjun [Los Alamos National Laboratory
A Rough Logic Formalism for Fuzzy Controllers
A Rough Logic Formalism for Fuzzy Controllers: A Hard and Soft Computing View T.Y. Lin Department are the design goal. Several new applications are identified. KEYWORDS: control, fuzzy logic, modal logic, rough process, called rough logic government, is proposed. In this process, fuzzy logic is viewed
Lin, Tsau Young
Cation Uptake and Allocation by Red Pine Seedlings under Cation...
Uptake and Allocation by Red Pine Seedlings under Cation-Nutrient Stress in a Column Growth Experiment. Cation Uptake and Allocation by Red Pine Seedlings under Cation-Nutrient...
Stimulation of precocious flowering of rooted slash pine cuttings, loblolly pine grafts, and Virginia pine seedlings by two nitrogen fertilizers
Tree Improv Conf, St. Paul, Minn, p11-16. Heybroek, H . M. and T. Visser. 1976 . Juvenility in fruit growing and forestry. Acta Horticulturae 56:71-80. Hoekstra, P. E. and F. Mergen. 1957. Experimental induction of female flowers on young slash pine.... Fertilization of an eight- year-old slash pine plantation thinned for seed production. In Proc 10th South Forest Tree Improv Conf, Houston, Texas, p217-221. Mott, R. L. 1977. Rooting of conifer propaoules. In Proc 13th Lake States Forest Tree Improv Conf, St...
Holmes, Penelope Joy Dennis
Food reserves in mountain longleaf pine roots during shoot elongation.
Roots of saplings appear to be models for healthy tissues in longleaf pines. Results show that roots of mountain longleaf pine have a normal anatomy, but also have unusual amounts of starch when compared to loblolly pine roots growing during phenologiexecy equal time periods. Roots appear large in diameter and grow much nearer the soil surface than roots observed from Coastal Plain longleaf pine. Starch grains are large in size and uniformly filled root cells. These results yield methodology potentially useful in assessment of health and productivity of longleaf pine.
Walkinshaw, C.H.; W.J. Otrosina
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOffice ofINL is a U.S.11-26-20131 10Daniel White
Water Dynamics at Rough Interfaces
We use molecular dynamics computer simulations and nuclear magnetic resonance experiments to investigate the dynamics of water at interfaces of molecular roughness and low mobility. We find that, when approaching such interfaces, the structural relaxation of water, i.e., the $\\alpha$ process, slows down even when specific attractive interactions are absent. This prominent effect is accompanied by a smooth transition from Vogel to Arrhenius temperature dependence and by a growing importance of jump events. Consistently, at protein surfaces, deviations from Arrhenius behavior are weak when free water does not exist. Furthermore, in nanoporous silica, a dynamic crossover of liquid water occurs when a fraction of solid water forms near 225 K and, hence, the liquid dynamics changes from bulk-like to interface-dominated. At sufficiently low temperatures, water exhibits a quasi-universal $\\beta$ process, which is characterized by an activation energy of $E_a\\!=\\!0.5$ eV and involves anisotropic reorientation about large angles. As a consequence of its large amplitude, the faster $\\beta$ process destroys essentially all orientational correlation, rendering observation of a possible slower $\\alpha$ process difficult in standard experiments. Nevertheless, we find indications for the existence of structural relaxation down to a glass transition of interfacial water near 185 K. Hydrated proteins show a highly restricted backbone motion with an amplitude, which decreases upon cooling and vanishes at comparable temperatures, providing evidence for a high relevance of water rearrangements in the hydration shell for secondary protein relaxations.
Markus Rosenstihl; Kerstin K�mpf; Felix Klameth; Matthias Sattig; Michael Vogel
Parentage in White Sturgeon
Final Report R/AQ-131 Parentage in White Sturgeon Bernie Mayassignment of farmed white sturgeon to 95%. Project Goalsfamily cohorts of farmed white sturgeon for the purpose of
May, Bernie
White sponge nevus
17. Lamey PJ, et al. Oral White sponge naevus: response to140 4. Frithiof L, Banoczy J. White sponge nevus (leukoedema5. Jorgensen RJ, Levin S. White sponge nevus. Arch Dermatol
Dadlani, Chicky; Mengden, Stephanie; Kerr, A Ross
DOUGLASR. WHITE MICHAELL. BURTON University of California, Irvine Causes of Polygyny: Ecology-wives, and with a pattern of aloofness between hus- bands and wives (Whiting and Whiting 1975). Nineteenth
White, Douglas R.
Black Pine Engineering Wins Clean Energy Trust Clean Energy Challenge...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
the Energy Innovation Portal Last week the student team of Black Pine Engineering from Michigan State University took top honors at the Eastern Midwest regional competition of...
Microsoft Word - CX Memo LaPineShunt
facilities Location: LaPine, Deschutes County, Oregon Proposed by: Bonneville Power Administration (BPA) Description of the Proposed Action: BPA proposes to add...
Simplified models for mask roughness induced LER
The ITRS requires < 1.2nm line-edge roughness (LER) for the 22nm half-pitch node. Currently, we can consistently achieve only about 3nm LER. Further progress requires understanding the principle causes of LER. Much work has already been done on how both the resist and LER on the mask effect the final printed LER. What is poorly understood, however, is the extent to which system-level effects such as mask surface roughness, illumination conditions, and defocus couple to speckle at the image plane, and factor into LER limits. Presently, mask-roughness induced LER is studied via full 2D aerial image modeling and subsequent analysis of the resulting image. This method is time consuming and cumbersome. It is, therefore, the goal of this research to develop a useful 'rule-of-thumb' analytic model for mask roughness induced LER to expedite learning and understanding.
McClinton, Brittany; Naulleau, Patrick
Rough surface reconstruction for ultrasonic NDE simulation
The reflection of ultrasound from rough surfaces is an important topic for the NDE of safety-critical components, such as pressure-containing components in power stations. The specular reflection from a rough surface of a defect is normally lower than it would be from a flat surface, so it is typical to apply a safety factor in order that justification cases for inspection planning are conservative. The study of the statistics of the rough surfaces that might be expected in candidate defects according to materials and loading, and the reflections from them, can be useful to develop arguments for realistic safety factors. This paper presents a study of real rough crack surfaces that are representative of the potential defects in pressure-containing power plant. Two-dimensional (area) values of the height of the roughness have been measured and their statistics analysed. Then a means to reconstruct model cases with similar statistics, so as to enable the creation of multiple realistic realizations of the surfaces, has been investigated, using random field theory. Rough surfaces are reconstructed, based on a real surface, and results for these two-dimensional descriptions of the original surface have been compared with those from the conventional model based on a one-dimensional correlation coefficient function. In addition, ultrasonic reflections from them are simulated using a finite element method.
Choi, Wonjae; Shi, Fan; Lowe, Michael J. S. [UK Research Centre in NDE, Imperial College, London SW7 2AZ (United Kingdom); Skelton, Elizabeth A.; Craster, Richard V. [Department of Mathematics, Imperial College, London SW7 2AZ (United Kingdom)
Ages of White Dwarf-Red Subdwarf Systems
We provide the first age estimates for two recently discovered white dwarf-red subdwarf systems, LHS 193AB and LHS 300AB. These unusual systems provide a new opportunity for linking the reliable age estimates for the white dwarfs to the (measurable) metallicities of the red subdwarfs. We have obtained precise photometry in the $V_{J}R_{KC}I_{KC}JH$ bands and spectroscopy covering from 6000\\AA to 9000\\AA for the two new systems, as well as for a comparison white dwarf-main sequence red dwarf system, GJ 283 AB. Using model grids available in the literature, we estimate the cooling age as well as temperature, surface gravity, mass, progenitor mass and {\\it total} lifetimes of the white dwarfs. The results indicate that the two new systems are probably ancient thick disk objects with ages of at least 6-9 Gyr. We also conduct searches of red dwarf and white dwarf compendia from SDSS data and the L{\\'e}pine Shara Proper Motion (LSPM) catalog for additional common proper motion white dwarf-red subdwarf systems. Only seven new candidate systems are found, which indicates the rarity of these systems.
Hektor Monteiro; Wei-Chun Jao; Todd Henry; John Subasavage; Thom Beaulieu
Computer Simulation of Uranyl Uptake by the Rough Lipopolysaccharide...
Computer Simulation of Uranyl Uptake by the Rough Lipopolysaccharide Membrane of Pseudomonas aeruginosa. Computer Simulation of Uranyl Uptake by the Rough Lipopolysaccharide...
Pine Ridge Job Corp | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth'sOklahoma/GeothermalOrangePeru:Job Corp Jump to: navigation, search Name Pine
Pine Tree Wind Farm | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth'sOklahoma/GeothermalOrangePeru:Job Corp Jump to: navigation, search NamePine
Oversimplification: a reply to White
Unfavoured. Analysis 68: ?? -?? White, R. 2005. Why favourOversimplification: a reply to White Nathan Robert Smith Whyfavour simpler hypotheses? Roger White has argued �that the
Smith, Nathan Robert
Surface roughness values for the areas surrounding the H, D and N-Area meteorological towers were computed from archived 2010 meteorological data. These 15-minute-averaged data were measured with cup anemometers and bidirectional wind vanes (bivanes) 61 m above the surface. The results of the roughness calculation using the standard deviation of elevation angle {sigma}{sub E}, and applying the simple formula based on tree canopy height, gave consistent estimates for roughness around the H-Area tower in the range of 1.76 to 1.86 m (95% confidence interval) with a mean value of 1.81 m. Application of the {sigma}{sub E} method for the 61-m level at D and N-Areas gave mean values of 1.71 and 1.81 with confidence ranges of 1.62-1.81 and 1.73-1.88 meters, respectively. Roughness results are azimuth dependent, and thus are presented as averages over compass sectors spanning 22.5 degrees. Calculated values were compared to other methods of determining roughness, including the standard deviation of the azimuth direction, {sigma}{sub A}, and standard deviation of the wind speed, {sigma}{sub U}. Additional data was obtained from a sonic anemometer at 61-m on the H-Area tower during a period of a few weeks in 2010. Results from the sonic anemometer support our use of {sigma}{sub E} to calculate roughness. Based on the H-Area tower results, a surface roughness of 1.8 m using is recommended for use in dispersion modeling applications that consider the impacts of a contaminant release to individuals along the Site boundary. The canopy surrounding the H-Area tower is relatively uniform (i.e., little variance in roughness by upwind direction), and data supplied by the U.S. Forest Service at Savannah River show that the canopy height and composition surrounding the H-Area tower is reasonably representative of forested areas throughout the SRS reservation. For dispersion modeling analyses requiring assessments of a co-located worker within the respective operations area, recommended area-specific values range from 0.3 m for E Area to 0.7 m for A Area at the Savannah River National Laboratory. These area-specific values, summarized in Table 4-1, were determined using the Environmental Protection Agency's AERSURFACE computer algorithm.
Hunter, C.
Parameterizing energy conversion on rough topography
Parameterizing energy conversion on rough topography using bottom pressure sensors to measure form and mixing U0 Form drag pressure Tidal energy conversion Form drag causes: - internal wave generation - eddy Sound, WA Point Three Tree Previous work McCabe et al., 2006 > Measured the internal form drag
Warner, Sally
steam loss. According to Black Pine, the technology can boost power generation at geothermal plants by 8% and increase revenue by more than 280,000 per year per well....
The White Dwarf -- White Dwarf galactic background in the LISA data
LISA (Laser Interferometer Space Antenna) is a proposed space mission, which will use coherent laser beams exchanged between three remote spacecraft to detect and study low-frequency cosmic gravitational radiation. In the low-part of its frequency band, the LISA strain sensitivity will be dominated by the incoherent superposition of hundreds of millions of gravitational wave signals radiated by inspiraling white-dwarf binaries present in our own galaxy. In order to estimate the magnitude of the LISA response to this background, we have simulated a synthesized population that recently appeared in the literature. We find the amplitude of the galactic white-dwarf binary background in the LISA data to be modulated in time, reaching a minimum equal to about twice that of the LISA noise for a period of about two months around the time when the Sun-LISA direction is roughly oriented towards the Autumn equinox. Since the galactic white-dwarfs background will be observed by LISA not as a stationary but rather as a cyclostationary random process with a period of one year, we summarize the theory of cyclostationary random processes, present the corresponding generalized spectral method needed to characterize such process, and make a comparison between our analytic results and those obtained by applying our method to the simulated data. We find that, by measuring the generalized spectral components of the white-dwarf background, LISA will be able to infer properties of the distribution of the white-dwarfs binary systems present in our Galaxy.
Jeffrey A. Edlund; Massimo Tinto; Andrzej Krolak; Gijs Nelemans
Correlating toughness and roughness in ductile fracture
Three dimensional calculations of ductile crack growth under mode I plane strain, small scale yielding conditions are carried out using an elastic-viscoplastic constitutive relation for a progres- sively cavitating plastic solid with two populations of void nucleating second phase particles. Full field solutions are obtained for three dimensional material microstructures characterized by ran- dom distributions of void nucleating particles. Crack growth resistance curves and fracture surface roughness statistics are calculated using standard procedures. The range of void nucleating particle volume fractions considered give rise to values of toughness, JIC, that vary by a factor of four. For all volume fractions considered, the computed fracture surfaces are self-affine over a size range of about two orders of magnitude with a roughness exponent of 0.54 $\\pm$ 0.03. For small void nucleating particle volume fractions, the mean large particle spacing serves as a single dominant length scale. In this regime, the c...
Ponson, Laurent; Osovski, Shmulik; Bouchaud, Elisabeth; Tvergaard, Viggo; Needleman, Alan
Smith-Purcell Radiation from Rough Surfaces
Radiation of a charged particle moving parallel to a inhomogeneous surface is considered. Within a single formalism periodic and random gratings are examined. For the periodically inhomogeneous surface we derive new expressions for the dispersion relation and the spectral-angular intensity. In particular, for a given observation direction two wavelengths are emitted instead of one wavelength of the standard Smith-Purcell effect. For a rough surface we show that the main contribution to the radiation intensity is given by surface polaritons induced on the interface between two media. These polaritons are multiply scattered on the roughness of surface and convert into real photons. The spectral-angular intensity is calculated and its dependence on different parameters is revealed.
Gevorkian, Zh S
Brendan M. White
Brendan M. White About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies...
A fast direct numerical simulation method for characterising hydraulic roughness
We describe a fast direct numerical simulation (DNS) method that promises to directly characterise the hydraulic roughness of any given rough surface, from the hydraulically smooth to the fully rough regime. The method circumvents the unfavourable computational cost associated with simulating high-Reynolds-number flows by employing minimal-span channels (Jimenez & Moin 1991). Proof-of-concept simulations demonstrate that flows in minimal-span channels are sufficient for capturing the downward velocity shift, that is, the Hama roughness function, predicted by flows in full-span channels. We consider two sets of simulations, first with modelled roughness imposed by body forces, and second with explicit roughness described by roughness-conforming grids. Owing to the minimal cost, we are able to conduct DNSs with increasing roughness Reynolds numbers while maintaining a fixed blockage ratio, as is typical in full-scale applications. The present method promises a practical, fast and accurate tool for character...
Chung, Daniel; MacDonald, Michael; Hutchins, Nicholas; Ooi, Andrew
Speed Map for Autonomous Rovers over Rough Terrain
Grid Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . .considered obstacles [27] Grid Map showing Tile Size, Cellspeed map. It also covers grid maps and terrain roughness,
Loh, Jonathan Edau
Rough-Fuzzy MLP: Modular Evolution, Rule Generation, and Evaluation
Terms--Soft computing, knowledge-based fuzzy networks, rough sets, genetic algorithms, pattern recently for pattern classification, is such an example combining both rough sets and fuzzy setsRough-Fuzzy MLP: Modular Evolution, Rule Generation, and Evaluation Sankar K. Pal, Fellow, IEEE
Mitra, Sushmita
Aftershocks of an Explosively Induced Mine Collapse at White Pine, Michigan
Revised July, 1999 LAUR 98-5694 #12;1 ABSTRACT We recorded an explosively induced, 320-m-deep, mine -0.8 to 0.5) and source radii of 10 to 50 m. Corner frequencies for implosional events were
EIS-0443: Southwest Intertie Project-South (SWIP-S), White Pine, Nye,
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists'Montana.Program - LibbyofThis EISStatement |ThisDepartment ofLincoln, and Clark
Experimental analysis of stove top designs for pine needle combustion in a semi-gasifier burner
The motivation behind this project was to develop a better understanding of the role that the stove top plays in a stove where pine needles are the main fuel source. Pine needles have distinct characteristics in their ...
Roqu�, Alyssa J
Characteristics of pine needle combustion in a semi-gasifier burner
The motivation behind this report was to develop a stronger understanding of pine needle combustion behavior in a semi-gasifier, in order to ultimately design an effective pine needle cook stove for people in the developing ...
Fang, Liane Jessica
Disposal of chemical agents and munitions stored at Pine Bluff Arsenal, Pine Bluff, Arkansas
The Pine Bluff Arsenal (PBA) near Pine Bluff, Arkansas, is one of eight continental United States (CONUS) Army installations where lethal unitary chemical agents and munitions are stored and where destruction of agents and munitions is proposed under the Chemical Stockpile Disposal Program (CSDP). The chemical agent inventory at PBA consists of approximately 12%, by weight, of the total US stockpile. The destruction of the stockpile is necessary to eliminate the risk to the public from continued storage and to dispose of obsolete and leaking munitions. In 1988 the US Army issued a Final Programmatic Environmental Impact Statement (FPEIS) for the CSDP that identified on-site disposal of agents and munitions as the environmentally preferred alternative (i.e., the alternative with the least potential to cause significant adverse impacts). The purpose of this report is to examine the proposed implementation of on-site disposal at PBA in light of more recent and more detailed data than those on which the FPEIS is based. New population data were used to compute fatalities using the same computation methods and values for all other parameters as in the FPEIS. Results indicate that all alternatives are indistinguishable when the potential health impacts to the PBA community are considered. However, risks from on-site disposal are in all cases equal to or less than risks from other alternatives. Furthermore, no unique resources with the potential to prevent or delay implementation of on-site disposal at PBA have been identified.
Ensminger, J.T.; Hillsman, E.L.; Johnson, R.D.; Morrisey, J.A.; Staub, W.P.; Boston, C.R.; Hunsaker, D.B.; Leibsch, E.; Rickert, L.W.; Tolbert, V.R.; Zimmerman, G.P.
Growth of longleaf and loblolly pine planted on South Carolina Sandhill sites.
Performance of longleaf (Pinus palustris Mill.) and loblolly pine (P. taeda L.) were compared 15�19 years after outplanting on 10 different sites in the sandhillsof South Carolina. The study was established from 1988 to 1992 with bareroot seedlings artificially inoculated with Pisolithus tinctorius (Pt) or naturally inoculated with mycorrhizae in the nursery. A containerized longleaf pine treatment with and without Pt inoculation was added to two sites in 1992. Effects of the Pt nursery treatment were mixed, with a decrease in survival of bareroot longleaf pine on two sites and an increase in survival on another site. The containerized longleaf pine treatment substantially increased survival, which led to greater volume compared with bareroot longleaf pine. Loblolly pine yielded more volume than longleaf pine on all sites but one, where survival was negatively affected by fire. Depth of sandy surface horizon affected mean annual height growth of both loblolly and longleaf pine. Height growth per year decreased with an increase in sand depth for both species. Multiple regression analysis of volume growth(ft3/ac per year) for both species indicated a strong relationship to depth of sandy soil and survival. After 15�19 years, loblolly pine has been more productive than longleaf pine, although longleaf pine productivity may be equal to or greater than that of loblolly pine on the soils with the deepest sandy surface layers over longer rotations.
Cram, Michelle, M.; Outcalt, Kenneth, W.; Zarnoch, Stanley, J.
POLYPROPYLENE COMPOSITES FILLED WITH STEAM-EXPLODED WOOD FIBERS FROM BEETLE-KILLED LOBLOLLY PINE of Tennessee Knoxville, TN 37996 (Received October 2005) ABSTRACT Beetle-killed loblolly pine chips were steam. Keywords: Beetle-killed pine, steam explosion, polypropylene composite, compatibilizer, flexural prop
Wang, Siqun
Surface roughness of anodized titanium coatings.
Samples of grade five 6Al4V titanium alloy were coated with two commercial fluoropolymer anodizations (Tiodize and Canadize) and compared. Neither coating demonstrates significant outgassing. The coatings show very similar elemental analysis, except for the presence of lead in the Canadize coating, which may account for its lower surface friction in humid environments. Surface roughness has been compared by SEM, contact profilometry, optical profilometry, power spectral density and bidirectional scattering distribution function (BSDF). The Tiodize film is slightly smoother by all measurement methods, but the Canadize film shows slightly less scatter at all angles of incidence. Both films exhibited initial friction coefficients of 0.2 to 0.4, increasing to 0.4 to 0.8 after 1000 cycles of sliding due to wear of the coating and ball. The coatings are very similar and should behave identically in most applications.
Dugger, Michael Thomas; Chinn, Douglas Alan
Recreation and Tourism and the Future in Lodgepole Pine Forests
Recreation and Tourism and the Future in Lodgepole Pine Forests: Pros and ConsPros and Cons Stuart Watersheds damaged by wildfires. Changes in recreational experience / tourism experience Aesthetic values (e to waterways from erosion Trees no longer holding soil Results into possible loss of tourism revenue
The effect of roughness on aerosol deposition in tubes
all of the experiments conducted for this study. I admire his practicality, kind gestures, and work ethic. I will treasure all those times spent at Riverside campus and the WIPP site. I thank Mr. William Vance Payne for all of his help. His.... 50 55 63 66 VI IMPLICATION FOR WIPP 75 Pressure Drop and Roughness . . Sampling Line and Shrouded Probe Cleaning Interval. . . . . Roughness Measurement Procedure 75 80 87 VII CONCLUSIONS AND RECOMMENDATIONS . . . . 88 Roughness...
Chavez, Mario Cesar
Effects of Atomic Scale Roughness at Metal/insulator Interfaces...
Work Function. Effects of Atomic Scale Roughness at Metalinsulator Interfaces on Metal Work Function. Abstract: We evaluate the performance of different van der Waals (vdW)...
ASTRO-H White Paper - White Dwarf
Interacting binaries in which a white dwarf accretes material from a companion --- cataclysmic variables (CVs) in which the mass loss is via Roche-lobe overflow, and symbiotic stars in which the white dwarf captures the wind of a late type giant --- are relatively commonplace. They display a wide range of behaviors in the optical, X-rays, and other wavelengths, which still often baffles observers and theorists alike. They are likely to be a significant contributor to the Galactic ridge X-ray emission, and the possibility that some CVs or symbiotic stars may be the progenitors of some of the Type Ia supernovae deserves serious consideration. Furthermore, these binaries serve as excellent laboratories in which to study physics of X-ray emission from high density plasma, accretion physics, reflection, and particle acceleration. ASTRO-H is well-matched to the study of X-ray emission from many of these objects. In particular, the excellent spectral resolution of the SXS will enable dynamical studies of the X-ray e...
Mukai, K; Harayama, A; Hayashi, T; Ishida, M; Long, K S; Terada, Y; Tsujimoto, M
White light velocity interferometer
DOE Patents [OSTI]
The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.
Erskine, David J. (Oakland, CA)
The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s. 41 figs.
Erskine, D.J.
Signs of a faint disc population at polluted white dwarfs
Observations of atmospheric metals and dust discs around white dwarfs provide important clues to the fate of terrestrial planetary systems around intermediate mass stars. We present Spitzer IRAC observations of 15 metal polluted white dwarfs to investigate the occurrence and physical properties of circumstellar dust created by the disruption of planetary bodies. We find subtle infrared excess emission consistent with warm dust around KUV 15519+1730 and HS 2132+0941, and weaker excess around the DZ white dwarf G245-58, which, if real, makes it the coolest white dwarf known to exhibit a 3.6 micron excess and the first DZ star with a bright disc. All together our data corroborate a picture where 1) discs at metal-enriched white dwarfs are commonplace and most escape detection in the infrared (possibly as narrow rings), 2) the discs are long lived, having lifetimes on the order of 10^6 yr or longer, and 3) the frequency of bright, infrared detectable discs decreases with age, on a timescale of roughly 500 Myr, su...
Bergfors, Carolina; Dufour, Patrick; Rocchetto, Marco
Sandia National Laboratories: White Light Creation Architectures
TechnologiesWhite Light Creation Architectures White Light Creation Architectures Overview of SSL White Light Creation Architectures The entire spectral range of visible light can...
146 USDA Forest Service Proceedings RMRS-P-34. 2004. Abstract--Limber pine and Rocky Mountain bristlecone pine are currently threat-
pine is ex- periencing mortality in the Northern Rocky Mountains and the infection front con- tinues and Sullivan 2004), at a site that is more than 220 miles away from the former infection front. No mortality as erect trees, clusters of erect trees and as wind-sculpted wedge-shaped shrubs (krummholz). Limber pine
Fuzzy Rough Positive Region based Nearest Neighbour Classification
of the main subjects in machine learning and pattern recognition, with applications in fields like spam theory to improve the FNN classifier. Fuzzy rough set theory was designed to model imperfect knowledgeFuzzy Rough Positive Region based Nearest Neighbour Classification Nele Verbiest, Chris Cornelis
Gent, Universiteit
Case Generation Using Rough Sets with Fuzzy Representation
, granular computing, rough-fuzzy hybridization, soft computing, pattern recognition, data mining. æ 1 for case generation. Fuzzy set theory is used for linguistic representation of patterns, thereby producing a fuzzy granulation of the feature space. Rough set theory is used to obtain dependency rules which model
Mitra, Pabitra
Counterintuitive MCNPX Results for Scintillator Surface Roughness Effect
We have reported on our recent MCNPX simulation results of energy deposition for a group of 8 scintillation detectors, coupled with various rough surface patterns. The MCNPX results generally favored the detectors with various rough surface patterns. The observed MCNPX results are not fully explained by this work.
FRACTAL DESCRIPTION OF ROUGH SURFACES FOR HAPTIC DISPLAY A DISSERTATION SUBMITTED TO THE DEPARTMENT system using fractals. A background on traditional methods for describing surface roughness is given. Fractals are used to characterize one- dimensional surface profiles using two parameters, the amplitude
Stanford University
Measurement of normal contact stiffness of fractal rough surfaces
We investigate the effects of roughness and fractality on the normal contact stiffness of rough surfaces. Samples of isotropically roughened aluminium surfaces are considered. The roughness and fractal dimension were altered through blasting using different sized particles. Subsequently, surface mechanical attrition treatment (SMAT) was applied to the surfaces in order to modify the surface at the microscale. The surface topology was characterised by interferometry based profilometry. The normal contact stiffness was measured through nanoindentation with a flat tip utilising the partial unloading method. We focus on establishing the relationships between surface stiffness and roughness, combined with the effects of fractal dimension. The experimental results, for a wide range of surfaces, showed that the measured contact stiffness depended very closely on surfaces' root mean squared (RMS) slope and their fractal dimension, with correlation coefficients of around 90\\%, whilst a relatively weak correlation coefficient of 57\\% was found between the contact stiffness and RMS roughness.
Chongpu Zhai; S�bastien Bevand; Yixiang Gan; Dorian Hanaor; Gw�na�lle Proust; Bruno Guelorget; Delphine Retraint
White Baneberry and Red Baneberry
1 White Baneberry and Red Baneberry Actaea pachypoda and Actaea rubra buttercup family (ranunculaceae) both white baneberry and red baneberry are poisonous plants native to the northeast inhabit swamps. Range: white baneberry--parts of the canadian mari- times and the southern border
Landweber, Laura
White Ranch Wetlands Biological Survey
White Ranch Wetlands Biological Survey and Permanent Vegetation Monitoring Plots Prepared for: U Services Building Colorado State University Fort Collins, CO 80523 March 1998 #12;WHITE RANCH WETLANDS assessment of the White Ranch wetlands. In addition we set up permanent plots along transects to collect
Biographical Sketch DOUGLAS R. WHITE
Biographical Sketch DOUGLAS R. WHITE i. Professional Preparation University of Minnesota. Murdock and Douglas R. White. Social Dynamics and Complexity eScholarship Repositories http://repositories.cdlib.org/imbs/socdyn/wp/Standard_Cross-Cultural_Sample/ 2007 Role Models for Complex Networks, Joerg Reichart and Douglas R. White. European Physical Journal B
EIS-0215: Pinon Pine Power Project, Tracy Station, NV
The U.S. Department of Energy (DOE) prepared this statement to assess the environmental and human health issues associated with the Pinon Pine Power Project, a proposed demonstration project that would be cost-shared by DOE and the Sierra Pacific Power Company (SPPCo.) under DOE's Clean Coal Technology Program. The proposed Federal action is for DOE to provide cost-shared funding support for the construction and operation of the Pinon Pine Power Project, a coal-fired power generating facility, which would be a nominal, 800-ton-per-day (104 megawatt (MW) gross generation) air-blown, Integrated Gasification Combined-Cycle plant proposed by SPPCo. at its Tracy Power Station near Reno, Nevada.
Using climatic and soils information to project loblolly pine growth
E. Meier (Member) e J. Sharpe (Member) J. Charles Lee (Head of Department) August 1988 111 ABSTRACT Using Climatic and Soils Information to Project Loblolly Pine Growth. (August 1988) Diane Beth Farmer, B. S. , Michigan State University... Regression Methods Simulation Methods Water Balance Carbon Balance Composite Models Production-Oriented Simulation Models EPIC ? Erosion-Productivity Impact Calculator. 5 5 5 6 6 6 7 7 9 10 12 13 13 17 18 II. ADAPTION OF THE EPIC CODE...
Farmer, Diane Beth
Pinon Pine Tree Study, Los Alamos National Laboratory: Source document
One of the dominant tree species growing within and around Los Alamos National Laboratory (LANL), Los Alamos, NM, lands is the pinon pine (Pinus edulis) tree. Pinon pine is used for firewood, fence posts, and building materials and is a source of nuts for food--the seeds are consumed by a wide variety of animals and are also gathered by people in the area and eaten raw or roasted. This study investigated the (1) concentration of {sup 3}H, {sup 137}Cs, {sup 90}Sr, {sup tot}U, {sup 238}Pu, {sup 239,240}Pu, and {sup 241}Am in soils (0- to 12-in. [31 cm] depth underneath the tree), pinon pine shoots (PPS), and pinon pine nuts (PPN) collected from LANL lands and regional background (BG) locations, (2) concentrations of radionuclides in PPN collected in 1977 to present data, (3) committed effective dose equivalent (CEDE) from the ingestion of nuts, and (4) soil to PPS to PPN concentration ratios (CRs). Most radionuclides, with the exception of {sup 3}H in soils, were not significantly higher (p < 0.10) in soils, PPS, and PPN collected from LANL as compared to BG locations, and concentrations of most radionuclides in PPN from LANL have decreased over time. The maximum net CEDE (the CEDE plus two sigma minus BG) at the most conservative ingestion rate (10 lb [4.5 kg]) was 0.0018 mrem (0.018 {micro}Sv). Soil-to-nut CRs for most radionuclides were within the range of default values in the literature for common fruits and vegetables.
P. R. Fresquez; J. D. Huchton; M. A. Mullen; L. Naranjo, Jr.
La Pine, Oregon: Energy Resources | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429 ThrottledInformationparticipants <Palma, California: EnergyLa Pine,
Surface forces: Surface roughness in theory and experiment
A method of incorporating surface roughness into theoretical calculations of surface forces is presented. The model contains two chief elements. First, surface roughness is represented as a probability distribution of surface heights around an average surface height. A roughness-averaged force is determined by taking an average of the classic flat-surface force, weighing all possible separation distances against the probability distributions of surface heights. Second the model adds a repulsive contact force due to the elastic contact of asperities. We derive a simple analytic expression for the contact force. The general impact of roughness is to amplify the long range behaviour of noncontact (DLVO) forces. The impact of the elastic contact force is to provide a repulsive wall which is felt at a separation between surfaces that scales with the root-mean-square (RMS) roughness of the surfaces. The model therefore provides a means of distinguishing between �true zero,� where the separation between the average centres of each surface is zero, and �apparent zero,� defined by the onset of the repulsive contact wall. A normal distribution may be assumed for the surface probability distribution, characterised by the RMS roughness measured by atomic force microscopy (AFM). Alternatively the probability distribution may be defined by the histogram of heights measured by AFM. Both methods of treating surface roughness are compared against the classic smooth surface calculation and experimental AFM measurement.
Parsons, Drew F., E-mail: firstname.lastname@example.com; Walsh, Rick B.; Craig, Vincent S. J. [Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200 (Australia)] [Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200 (Australia)
Pinon Pine Power Project. Annual report, August 1992--December 1993
This annual report has been prepared to present the status of the Pinon Pine Power Project, a nominal 104 MWe (gross) integrated gasification combined-cycle (IGCC) power plant addition to Sierra Pacific Power Company`s (SPPCo) system. This project will also serve as a demonstration project cost-shared by the US Department of Energy (DOE) and SPPCo under DOE`s Clean Coal Technology (CCT) Program. The goal of the CCT Program is to demonstrate advanced coal utilization technologies that are energy efficient and reliable and that are able to achieve substantial reductions in emissions as compared with existing coal technologies. The Pinon Pine Power Project will demonstrate an IGCC system utilizing the Kellogg-Rust-Westinghouse (KRW) fluidized-bed gasification process operating in an air-blown mode with in-bed desulfurization and hot gas clean-up with a western bituminous coal. The Pinon Pine Power Project will be constructed and operated at SPPCo`s Tracy Power Station, an existing power generation facility located on a rural 724-acre plot approximately 17 miles east of Reno, NV.
White Papers | Princeton Plasma Physics Lab
White Papers Subscribe to RSS - White Papers Image: There is currently no content classified with this term....
E-Print Network 3.0 - austrian black pine Sample Search Results
to all, regardless of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, o Summary: ATTACKED: Hard pines - Scotch, Jack,...
Optimal management on uneven-aged Scots pine stands in Finland.
??The purpose of this study was to define economically optimal stand structures and harvesting cycles for uneven-aged Scots pine (Pinus sylvestris L.) in Finland. According� (more)
R�s�nen, Jenni
Transport Theory for Shallow Water Propagation with Rough Boundaries
At frequencies of about 1 kHz and higher, forward scattering from a rough sea surface (and/or a rough bottom) can strongly affect shallow water propagation and reverberation. The need exists for a fast, yet accurate method for modeling such propagation where multiple forward scattering occurs. A transport theory method based on mode coupling is described that yields the first and second moments of the field. This approach shows promise for accurately treating multiple forward scattering in one-way propagation. The method is presently formulated in two space dimensions, and Monte-Carlo rough surface PE simulations are used for assessing the accuracy of transport theory results.
Thorsos, Eric I.; Henyey, Frank S.; Elam, W. T.; Hefner, Brian T.; Reynolds, Stephen A.; Yang Jie [Applied Physics Laboratory, University of Washington, 1013 NE 40th Street, Seattle, WA 98105 (United States)
DUSEL Theory White Paper
The NSF has chosen the site for the Deep Underground Science and Engineering Laboratory (DUSEL) to be in Lead, South Dakota. In fact, the state of South Dakota has already stepped up to the plate and contributed its own funding for the proposed lab, see http://www.sanfordlaboratoryathomestake.org/index.html. The final decision by NSF for funding the Initial Suite of Experiments for DUSEL will be made early in 2009. At that time the NSF Science Board must make a decision. Of order 200 experimentalists have already expressed an interest in performing experiments at DUSEL. In order to assess the interest of the theoretical community, the Center for Cosmology and Astro-Particle Physics (CCAPP) at The Ohio State University (OSU) organized a 3-day DUSEL Theory Workshop in Columbus, Ohio from April 4 - 6, 2008. The workshop focused on the scientific case for six proposed experiments for DUSEL: long baseline neutrino oscillations, proton decay, dark matter, astrophysical neutrinos, neutrinoless double beta decay and N-Nbar oscillations. The outcome of this workshop is the DUSEL Theory White paper addressing the scientific case at a level which may be useful in the decision making process for policy makers at the NSF and in the U.S. Congress. In order to assess the physics interest in the DUSEL project we have posted the DUSEL Theory White paper on the following CCAPP link http://ccapp.osu.edu/whitepaper.html . Please read the white paper and, if you are interested, use the link to show your support by co-signing the white paper.
S. Raby; T. Walker; K. S. Babu; H. Baer; A. B. Balantekin; V. Barger; Z. Berezhiani; A. de Gouvea; R. Dermisek; A. Dolgov; P. Fileviez Perez; G. Gabadadze; A. Gal; P. Gondolo; W. Haxton; Y. Kamyshkov; B. Kayser; E. Kearns; B. Kopeliovich; K. Lande; D. Marfatia; R. N. Mohapatra; P. Nath; Y. Nomura; K. A. Olive; J. Pati; S. Profumo; R. Shrock; Z. Tavartkiladze; K. Whisnant; L. Wolfenstein
White Dwarfs in Globular Clusters
We review empirical and theoretical findings concerning white dwarfs in Galactic globular clusters. Since their detection is a critical issue we describe in detail the various efforts to find white dwarfs in globular clusters. We then outline the advantages of using cluster white dwarfs to investigate the formation and evolution of white dwarfs and concentrate on evolutionary channels that appear to be unique to globular clusters. We also discuss the usefulness of globular cluster white dwarfs to provide independent information on the distances and ages of globular clusters, information that is very important far beyond the immediate field of white dwarf research. Finally, we mention possible future avenues concerning globular cluster white dwarfs, like the study of strange quark matter or plasma neutrinos.
S. Moehler; G. Bono
Effect of Surface Roughness on Wind Turbine Performance
Wind farm operators observe production deficits as machines age. Quantifying deterioration on individual components is difficult, but one potential explanation is accumulation of blade surface roughness. Historically, wind turbine airfoils were...
Ehrmann, Robert Schaefer
Hypersonic Measurements of Roughness-Induced Transient Growth
The effects of surface roughness on boundary-layer disturbance growth and laminar-to-turbulent transition are not well understood, especially in hypersonic boundary layers. The transient growth mechanism that produces algebraic growth of stream wise...
Sharp, Nicole Susanne
Ice friction: The effects of surface roughness, structure, and hydrophobicity
The effect of surface roughness, structure, and hydrophobicity on ice friction is studied systematically over a wide range of temperature and sliding speeds using several metallic interfaces. Hydrophobicity in combination with controlled roughness at the nanoscale is achieved by femtosecond laser irradiation to mimic the lotus effect on the slider's surface. The controlled roughness significantly increases the coefficient of friction at low sliding speeds and temperatures well below the ice melting point. However, at temperatures close to the melting point and relatively higher speeds, roughness and hydrophobicity significantly decrease ice friction. This decrease in friction is mainly due to the suppression of capillary bridges in spite of the presence of surface asperities that facilitate their formation. Finally, grooves oriented in the sliding direction also significantly decrease friction in the low velocity range compared to scratches and grooves randomly distributed over a surface.
Kietzig, Anne-Marie; Hatzikiriakos, Savvas G.; Englezos, Peter [Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3 (Canada)
Influence of surface roughness and waviness upon thermal contact resistance
This work deals with the phenomenon of thermal resistance between contacting solids. Attention is directed towards contiguous solids possessing both surface roughness and waviness. When two such surfaces are brought together ...
Yovanovich, M. Michael
PROPAGATION OF SINGULARITIES FOR ROUGH METRICS HART F. SMITH Abstract. We use a wave packet the Simons Foundation (# 266371 to Hart Smith). 1 #12;2 HART F. SMITH H¨ormander's theorem [9] on propagation
Smith, Hart F.
Population Structure, Association Mapping of Economic Traits and Landscape Genomics of East Texas Loblolly Pine ( Pinus taeda L.)
Loblolly pine (Pinus taeda L.) is an ecologically and economically important southern pine, distributed across the southeastern United States. Its genetic improvement for breeding and deployment is a major goal of the Western Gulf Forest Tree...
Chhatre, Vikram E.
New Hampshire Directory of Sawmills
. Soon after, New Hampshire's patriots joined in the American Revolution, not for tea but to protect Green Lumber, Cants/Timbers, Pallets/Crates, Sawdust Barton Lumber Co., Inc. (Sawmill Not Presently, Retail, Custom Sawing, Custom Planing Species: White Pine, Hemlock, Red Pine Products: Rough Green Lumber
New Hampshire, University of
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security AdministrationcontrollerNanocrystallineForeign Object DamageSystemsU.S. TALKS1THE WHITE HOUSE Office
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security AdministrationcontrollerNanocrystallineForeign Object DamageSystemsU.S. TALKS1THE WHITE HOUSE
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to someone6 M.ExtracellularBradbury ScienceAntibacterialBrendan M. White
An adult pine weevil feeding on the bark of the main stem of a young tree.
be obtained by monitoring weevil development in the stump and associated root system (root�stump) to predict the pine weevil life cycle is expected to be similar to that at Thetford. Successful application of monitoring depends on a basic understanding of this life cycle. THE PINE WEEVIL LIFE CYCLE The length
Describing Leaf Area Distribution in Loblolly Pine Trees with Johnson's SB Function
of leaf area of a wide variety of loblolly pine trees. FOR. SCI. 51(2):93101. Key Words: ProbabilityDescribing Leaf Area Distribution in Loblolly Pine Trees with Johnson's SB Function Mauricio Jerez fractions of leaf area calculated with fitted SB functions matched measured values well; cumulative values
Cao, Quang V.
FOR 4110/5159 Ecology and Restoration of the Longleaf Pine Ecosystem
FOR 4110/5159 Ecology and Restoration of the Longleaf Pine Ecosystem 3 credits Spring 2013 Instructors: Dr. Debbie Miller, Ph.D. Associate Professor Wildlife Ecology and Conservation 5988 Hwy. 90, Bldg description: History, structure, function and ecological and economic importance of longleaf pine ecosystems
Slatton, Clint
Demystifying White Spaces Xuemin Hongl
Demystifying White Spaces Xuemin Hongl , Cheng-Xiang Wangl , John Thompson2 , and Yan Zhang3 firstname.lastname@example.com@ed.ac.uk. email@example.com Abstract-White spaces refer to the unused frequency voids across time or space. The vast existence of white spaces has been validated by many measurements and is widely regarded as an undesirable
Wang, Cheng-Xiang
Pinon pine project. Annual report, January 1995--December 1995
This annual report has been prepared to present the status of the Pinon Pine Project, a nominal 107 MWe (gross) coal-fired integrated gasification combined-cycle (IGCC) power plant addition to Sierra Pacific Power Company`s (SPPCo) system. This project will also serve as a demonstration project cost-shared by the U.S. Department of Energy (DOE) and SPPCo under DOE`s Clean Coal Technology (CCT) Program. The goal of the CCT Program is to demonstrate advanced coal utilization technologies that are energy efficient, reliable and able to achieve substantial reductions in emissions as compared with existing coal technologies. The Pinon Pine Project will demonstrate an IGCC system utilizing the Kellogg-Rust-Westinghouse (KRW) fluidized-bed gasification process operating in an air-blown mode with in-bed desulfurization and hot gas clean-up with a western bituminous coal as the design fuel. Testing will also be performed on a high-sulfur eastern coal. The Pinon Pine Project will be constructed and operated at SPPCo`s Tracy Power Station, an existing power generation facility located on a rural 724-acre plot approximately 17 miles east of Reno, NV. This new unit will be designated as Tracy Unit No. 4. SPPCo, the project participant, has contracted with the Foster Wheeler USA Corporation (FW USA) for the overall project management, engineering, procurement and construction of the project. FW USA in turn has subcontracted with The M.W. Kellogg Company (MWK) for the engineering and procurement of key components for the Gasifier Island.
Hillsboro Pines, Florida: Energy Resources | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation,Ohio:GreerHi Gtel Jump to:County, Ohio:Hilliard, Ohio:Hillsboro Pines,
Pine Hills, Florida: Energy Resources | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy ResourcesLoadingPenobscot County, Maine: EnergyPierce County,3.3075694°, -75.6521271° LoadingPine
The thermal Casimir effect for rough metallic plates
We propose a new theory of thermal Casimir effect, holding for the experimentally important case of metallic surfaces with a roughness having a spatial scale smaller than the skin depth. The theory is based on a simple phenomenological model for a rough conductor, that explicitly takes account of the fact that ohmic conduction in the immediate vicinity of the surface of a conductor is much impeded by surface roughness, if the amplitude of roughness is smaller than the skin depth. As a result of the new model, we find that surface roughness strongly influences the magnitude of the thermal correction to the Casimir force, independently of the plates separation. Our model, while consistent with recent accurate measurements of the Casimir force in the submicron range, leads to a new prediction for the not yet observed thermal correction to the Casimir force at large plates separation. Besides the thermal Casimir problem, our model is relevant for the correct theoretical interpretation of current experiments probing other proximity effects between conductors, like radiative heat transfer and quantum friction.
G. Bimonte
Inhomogeneous Cooling of the Rough Granular Gas in Two Dimensions
We study the inhomogeneous clustered regime of a freely cooling granular gas of rough particles in two dimensions using large-scale event driven simulations and scaling arguments. During collisions, rough particles dissipate energy in both the normal and tangential directions of collision. In the inhomogeneous regime, translational kinetic energy and the rotational energy decay with time $t$ as power-laws $t^{-\\theta_T}$ and $t^{-\\theta_R}$. We numerically determine $\\theta_T \\approx 1$ and $\\theta_R \\approx 1.6$, independent of the coefficients of restitution. The inhomogeneous regime of the granular gas has been argued to be describable by the ballistic aggregation problem, where particles coalesce on contact. Using scaling arguments, we predict $\\theta_T=1$ and $\\theta_R=1$ for ballistic aggregation, $\\theta_R$ being different from that obtained for the rough granular gas. Simulations of ballistic aggregation with rotational degrees of freedom are consistent with these exponents.
Sudhir N. Pathak; Dibyendu Das; R. Rajesh
Topographic structure on Superconductivity Radio Frequency (SRF) surfaces can contribute additional cavity RF losses describable in terms of surface RF reflectivity and absorption indices of wave scattering theory. At isotropic homogeneous extent, Power Spectrum Density (PSD) of roughness is introduced and quantifies the random surface topographic structure. PSD obtained from different surface treatments of niobium, such Buffered Chemical Polishing (BCP), Electropolishing (EP), Nano-Mechanical Polishing (NMP) and Barrel Centrifugal Polishing (CBP) are compared. A perturbation model is utilized to calculate the additional rough surface RF losses based on PSD statistical analysis. This model will not consider that superconductor becomes normal conducting at fields higher than transition field. One can calculate the RF power dissipation ratio between rough surface and ideal smooth surface within this field range from linear loss mechanisms.
Reece, Charles E. [JLAB; Kelley, Michael J. [JLAB, W& M College; Xu, Chen [JLAB, W& M College
SECOQC Business White Paper
In contemporary cryptographic systems, secret keys are usually exchanged by means of methods, which suffer from mathematical and technology inherent drawbacks. That could lead to unnoticed complete compromise of cryptographic systems, without a chance of control by its legitimate owners. Therefore a need for innovative solutions exists when truly and reliably secure transmission of secrets is required for dealing with critical data and applications. Quantum Cryptography (QC), in particular Quantum Key Distribution (QKD) can answer that need. The business white paper (BWP) summarizes how secret key establishment and distribution problems can be solved by quantum cryptography. It deals with several considerations related to how the quantum cryptography innovation could contribute to provide business effectiveness. It addresses advantages and also limitations of quantum cryptography, proposes a scenario case study, and invokes standardization related issues. In addition, it answers most frequently asked questions about quantum cryptography.
Solange Ghernaouti-Helie; Igli Tashi; Thomas Laenger; Christian Monyk
Restoring a disappearing ecosystem: the Longleaf Pine Savanna.
Longleaf pine (Pinus palustris) savannas of the southeastern United States contain some of the worlds most diverse plant communities, along with a unique complement of wildlife. Their traditionally open canopy structure and rich understory of grasses and herbs were critical to their vigor. However, a long history of land-use practices such as logging, farming, and fire exclusion have reduced this once-widespread ecosystem to only 3 percent of its original range. At six longleaf pine plantations in South Carolina, Tim Harrington with the Pacific Northwest Research Station and collaborators with the Southern Research Station used various treatments (including prescribed burns, tree thinning, and herbicide applications) to alter the forest structure and tracked how successful each one was in advancing savanna restoration over a 14-year period. They found that typical planting densities for wood production in plantations create dense understory shade that excludes many native herbaceous species important to savannas and associated wildlife. The scientists found that although tree thinning alone did not result in sustained gains, a combination of controlled burning, thinning, and herbicide treatments to reduce woody plants was an effective strategy for recovering the savanna ecosystem. The scientists also found that these efforts must be repeated periodically for enduring benefits.
Harrington, Timothy B. [USFS; Miller, Karl V. [University of Georgia; Park, Noreen
Pink/White (ladies' only) Light Blue/White (ladies' only)
Pink/White (ladies' only) Light Blue/White (ladies' only) White/Stone Dill/Dark Green Slate Blue/Navy (men's only) Stone/Fawn Red/Black (men's only) Navy/White Black/Heather (men's only) Black/White with a delicate 4-button placket. Feminine fit that looks great tucked in or out. Ladies' Colors: Black/White
Wechsler, Risa H.
We announce the discovery of the most massive pulsating hydrogen-atmosphere white dwarf (WD) ever discovered, GD 518. Model atmosphere fits to the optical spectrum of this star show it is a 12, 030 {+-} 210 K WD with a log g =9.08 {+-} 0.06, which corresponds to a mass of 1.20 {+-} 0.03 M{sub Sun }. Stellar evolution models indicate that the progenitor of such a high-mass WD endured a stable carbon-burning phase, producing an oxygen-neon-core WD. The discovery of pulsations in GD 518 thus offers the first opportunity to probe the interior of a WD with a possible oxygen-neon core. Such a massive WD should also be significantly crystallized at this temperature. The star exhibits multi-periodic luminosity variations at timescales ranging from roughly 425 to 595 s and amplitudes up to 0.7%, consistent in period and amplitude with the observed variability of typical ZZ Ceti stars, which exhibit non-radial g-mode pulsations driven by a hydrogen partial ionization zone. Successfully unraveling both the total mass and core composition of GD 518 provides a unique opportunity to investigate intermediate-mass stellar evolution, and can possibly place an upper limit to the mass of a carbon-oxygen-core WD, which in turn constrains Type Ia supernovae progenitor systems.
Hermes, J. J.; Castanheira, Barbara G.; Winget, D. E.; Montgomery, M. H.; Harrold, Samuel T. [Department of Astronomy, University of Texas at Austin, Austin, TX 78712 (United States); Kepler, S. O. [Instituto de Fisica, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS (Brazil); Gianninas, A. [Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, 440 W. Brooks Street, Norman, OK 73019 (United States); Brown, Warren R., E-mail: firstname.lastname@example.com [Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA 02138 (United States)
Red Giant Red Giant White Giant
Red Giant Red Giant White Giant Red Giant White Giant White Giant Blue Giant Blue Giant Blue Giant. Proxima Centauri, the closest star to the Sun, is a red giant. Mass: 1- 4 Solar Mass StarPower Points: 7
Bechtold, Jill
Black-white asymmetry in visual perception
tion of black and white in human vision. Investi- gativeneural responses to black and white ments are balanced, weand observers. The black� white asymmetry with a � 1.28 is
Lu, Z.-L.; Sperling, G.
Hayden White: Frontiers of Consciousness at UCSC
of consciousness. Hayden White: Frontiers of Consciousnessyou had a very motley crew. White: A motley crew, to put itIn the capitalist context. White: You can sell the human,
UCSC Library, Regional History Project; White, Hayden; Vanderscoff, Cameron
White fibrous papulosis of the neck
1. Shimuzu H, et al. White fibrous papulosis of the neck:4079076] 2. Shimizu H, et al. White fibrous papulosis of the2666457] 3. Cerio R, et al. White fibrous papulosis of the
Disposal of chemical agents and munitions stored at Pine Bluff Arsenal, Pine Bluff, Arkansas. Final phase 1, Environmental report
White Bear Lake Conservation District (Minnesota)
This statute establishes the White Bear Lake Conservation District, which has the authority to set water and land use regulations for the area around White Bear Lake.
Lori Ann White | Department of Energy
Lori Ann White About Us Lori Ann White - Science Writer, SLAC Office of Communications Most Recent President Obama Honors Sidney Drell with National Medal of Science February 4...
Title: Aerodynamic and Scalar Roughness over Snow and Sea Ice In Monin-Obukhov similarity theory, the aerodynamic roughness, z0, is the artificial height
Title: Aerodynamic and Scalar Roughness over Snow and Sea Ice Abstract: In Monin-Obukhov similarity theory, the aerodynamic roughness, z0, is the artificial height above the surface at which the wind speed the theory and measurement of the aerodynamic and scalar roughness lengths over snow and sea ice. The data
Studies of the 3D surface roughness height
Nowadays nano-coatings occupy more and more significant place in technology. Innovative, functional coatings acquire new aspects from the point of view of modern technologies, considering the aggregate of physical properties that can be achieved manipulating in the production process with the properties of coatings� surfaces on micro- and nano-level. Nano-coatings are applied on machine parts, friction surfaces, contacting parts, corrosion surfaces, transparent conducting films (TCF), etc. The equipment available at present for the production of transparent conducting oxide (TCO) coatings with highest quality is based on expensive indium tin oxide (ITO) material; therefore cheaper alternatives are being searched for. One such offered alternative is zink oxide (ZnO) nano-coatings. Evaluating the TCF physical and mechanical properties and in view of the new ISO standard (EN ISO 25178) on the introduction of surface texture (3D surface roughness) in the engineering calculations, it is necessary to examine the height of 3D surface roughness, which is one of the most significant roughness parameters. The given paper studies the average values of 3D surface roughness height and the most often applied distribution laws are as follows: the normal distribution and Rayleigh distribution. The 3D surface is simulated by a normal random field.
Avisane, Anita; Rudzitis, Janis; Kumermanis, Maris [Institute of Mechanical Engineering, Riga Technical University, Ezermalas str. 6k, Riga (Latvia)
Calculating Very Rough Market Share Using the Canadian Business Database
Calculating Very Rough Market Share Using the Canadian Business Database If you cannot find market market share using the company information provided in the Canadian Business Database (CBD), an online - it should be considered a last resort for this information. STEP 1: ACCESS THE CANADIAN BUSINESS DATABASE 1a
Thompson, Michael
BAYESIAN METHOD FOR SEGMENTATION OF SAR IMAGES IN ROUGH TERRAIN Marco Caparrini1 , Klaus Seidel1 are the basis for radiometric correction. Considering SAR images, the huge amount of processing for geographic and geometric calibration and registration that is needed prior to analysis is well established. Nonetheless
Oldenburg, Carl von Ossietzky Universität
Large deviations for rough paths of fractional Brownian motion
limit theorem. Stochastic modeling deals basically with rough path controls. Indeed, the ground-breaking It^o's theory on stochastic differential equations is based on Brownian motion, which has almost surely nowhere differentiable sam- ple paths but only -H¨older continuous ones, with ]0, 1 2 [. Note
Millet, Annie
White House Tribal Nations Conference
On December 5, 2012, President Obama will host representatives invited from each of the 566 federally recognized American Indian tribes, and Alaska Native Villages, at the 2012 White House Tribal...
Building America Whole-House Solutions for New Homes: Pine Mountain...
Energy Savers [EERE]
air-tight 1.0-1.8 ACH50 construction, spray-foamed walls and attics, and high-efficiency heat pumps with fresh-air intake. Pine Mountain Builders - Georgia More Documents &...
requires further experimental inquiry. Managed pine forests in the Southeastern U.S. represent a good opportunity for studying the effects of nutrient additions because they commonly receive nitrogen and phosphorous fertilization. Nutrient concentrations...
Whisenant, Justin
Peter Siska*, Vaughn M. Bryant Jr**, I-Kuai Hung*** GEOSPATIAL ANALYSIS OF SOUTHERN PINE BIOME
239 Peter Siska*, Vaughn M. Bryant Jr**, I-Kuai Hung*** GEOSPATIAL ANALYSIS OF SOUTHERN PINE BIOME AND POLLEN DISTRIBUTION PATTERNS IN SOUTHEASTERN UNITED STATES P. Siska, Vaughn M. Bryant Jr, I-Kuai Hung
Hung, I-Kuai
Silviculture for Lodgepole Pine Forests Where economic sustainability and ecological compatibility
Silviculture for Lodgepole Pine Forests Where economic sustainability and ecological compatibility Resources Colorado State University #12;Economic Sustainability What is the desired condition of lodgepole forests? Sustainable and healthy structure Forest products Ecosystem services #12;Ecological
Microsoft Word - CX-LaPine-ChiloquinWoodPoleFY12_WEB.doc
2 REPLY TO ATTN OF: KEPR-4 SUBJECT: Environmental Clearance Memorandum Richard Heredia Project Manager - TEP-TPP-1 Proposed Action: La Pine-Chiloquin No. 1 Wood Pole Replacement...
Microsoft Word - CX-PilotButte-LaPineWoodPoleFY12_WEB.docx
0, 2012 REPLY TO ATTN OF: KEPR-4 SUBJECT: Environmental Clearance Memorandum Richard Heredia Project Manager - TEP-TPP-1 Proposed Action: Pilot Butte-La Pine No. 1 Wood Pole...
Inventory of Old Pine Nook Road Parcel on the Pocumtuck Ridge,
Inventory of Old Pine Nook Road Parcel on the Pocumtuck Ridge, Deerfield, MA Fletcher Clark Resources Inventory of Local Lands Class University of Massachusetts, Amherst Department of Environmental............................................................................................................13 7. Forestry Inventory
Schweik, Charles M.
The scientific case for a Deep Underground Science and Engineering Laboratory [DUSEL] located at the Homestake mine in Lead, South Dakota is exceptional. The site of this future laboratory already claims a discovery for the detection of solar neutrinos, leading to a Nobel Prize for Ray Davis. Moreover this work provided the first step to our present understanding of solar neutrino oscillations and a chink in the armor of the Standard Model of particle physics. We now know, from several experiments located in deep underground experimental laboratories around the world, that neutrinos have mass and even more importantly this mass appears to fit into the framework of theories which unify all the known forces of nature, i.e. the strong, weak, electromagnetic and gravitational. Similarly, DUSEL can forge forward in the discovery of new realms of nature, housing six fundamental experiments that will test the frontiers of our knowledge: (1) Searching for nucleon decay (the decay of protons and neutrons predicted by grand unified theories of nature); (2) Searching for neutrino oscillations and CP violation by detecting neutrinos produced at a neutrino source (possibly located at Brookhaven National Laboratory and/or Fermi National Laboratory); (3) Searching for astrophysical neutrinos originating from the sun, from cosmic rays hitting the upper atmosphere or from other astrophysical sources, such a supernovae; (4) Searching for dark matter particles (the type of matter which does not interact electromagnetically, yet provides 24% of the mass of the Universe); (5) Looking for the rare process known as neutrino-less double beta decay which is predicted by most theories of neutrino mass and allows two neutrons in a nucleus to spontaneously change into two protons and two electrons; and (6) Searching for the rare process of neutron- anti-neutron oscillations, which would establish violation of baryon number symmetry. A large megaton water Cherenkov detector for neutrinos and nucleon decay, located in DUSEL and roughly 20 times the size of current detectors, can perform the first three of these experiments. The last 3 can utilize the unique environment afforded by DUSEL to perform the most sensitive tests to date. Any one of these experiments can greatly increase our knowledge of nature. The Deep Underground Science and Engineering Laboratory (DUSEL), with a Large Megaton Size Detector, is desperately needed to address a set of fundamental issues in particle and astrophysics.
Raby, S.; /Ohio State U.; Walker, T.; /Ohio State U. /Ohio State U., Dept. Astron. /Ohio State U., CCAPP; Babu, K.S.; /Oklahoma State U.; Baer, H.; /Florida State U.; Balantekin, A.B.; Barger, V.; /Wisconsin U., Madison; Berezhiani, Z.; /Gran Sasso; de Gouvea, A.; /Northwestern U.; Dermisek, R.; /Princeton U.; Dolgov, A.; /Moscow, ITEP /Ferrara U.; Fileviez Perez, P.; /Wisconsin U., Madison; Gabadadze, G.; /New York U.; Gal, A.; /Hebrew U.; Gondolo, P.; /Utah U.; Haxton, W.; /Washington U., Seattle; Kamyshkov, Y.; /Tennessee U.; Kayser, B.; /Fermilab; Kearns, E.; /Boston U.; Kopeliovich, B.; /Santa Maria U., Valparaiso; Lande, K.; /Pennsylvania U.; Marfatia, D.; /Kansas U. /Maryland U. /Northeastern U. /UC, Berkeley /LBL, Berkeley /Minnesota U. /SLAC /UC, Santa Cruz /SUNY, Stony Brook /Oklahoma State U. /Iowa State U. /Carnegie Mellon U.
The impact of sheared vs. sawn timber in the typical southern pine plywood mill
THE IMPACT OF SHEARED VS' SAWN TIMBER IN THE TYPICAL SOUTHERN PINE PLYWOOD MILL A Thesis by RUSSELL GARRETT SWINNEY Submitted to the Office of Graduate Studies of Texas ASM University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE December 1989 Major Subject: Forestry THE IMPACT OP SHEARED VS. SAWN T1MBER IN THE TYPICAL SOUTHERN PINE PLYWOOD MILI A Thesis by RUSSELL GARRETT SWINNEY Approved as to style and content by: Jease ( hair of mmi Jy...
Swinney, Russell Garrett
Soil-site relationships for natural stands of longleaf pine (Pinus palustris Mill.) in east Texas
. Sites were characterized by so11 physical properties and physiographic factors. Correlation of longleaf site index and height growth with site factors was evaluated by regression techniques. S1te index curves for longleaf pine were developed...SOIL-SITE RELATIONSHIPS FOR NATURAL STANDS OF LONGLEAF PINE (PINUS PALUSTRIS MILL. ) IN EAST TEXAS A Thesis by ERIC HAYS LARSON Submitted to the Graduate College of Texas A8M University in partial fulfillment of the requirement...
Larson, Eric Hays
The effects of water and heat stress on protein synthesis in loblolly pine (Pinus taeda L.)
THE EFFECTS OF WATER AND HEAT STRESS ON PROTEIN SYNTHESIS IN LOBLOLLY PINE (PINUS TAEDA L. ) A Thesis CHRYS HULBERT Submitted to the Graduate College of Texas AAM University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE May 1987 Major Subjett: Plant Physiology THE EFFECTS OF WATER AND HEAT STRESS ON PROTEIN SYNTHESIS IN LOBLOLLY PINE (PINUS TAEDA L. ) A Thesis CHRYS HULBERT Approved as to style and content by: Ronald . Newton I (Co...
Hulbert, Chrys
ForPeerReview White Racialized Identities
ForPeerReview White Racialized Identities 1 Empirical research into the racialization of white identities in British Sociology In their introduction to a collection of papers on whiteness, Twine and Gallagher (2007: 5) label the empirical studies of localised whiteness as it intersects with class, nation
Neirotti, Juan Pablo
R. White, Comsol Acoustics Introduction, 2012
R. White, Comsol Acoustics Introduction, © 2012 Tutorial Created in Comsol 4.3 (2012) #12;R. White Variables space and time (x,y,z,t) Dependent Variables unknown field (such as u) #12;R. White, Comsol (such as u) #12;R. White, Comsol Acoustics Introduction, © 2012 Finite Element Analysis (FEA / FEM) 1
White, Robert D.
EIS-0443: Project Financing for Southwest Intertie Project- South, Clark, Lincoln, Nye, and White Pine Counties, Nevada
The U.S. Department of Energy (DOE), Western Area Power Administration, is considering whether to provide partial financing of the southern portion of the Southwest lntertie Project (SWIP-South) which consists of approximately 235 miles of 500- kilovolt (kV) transmission line.
Heat transfer between elastic solids with randomly rough surfaces
We study the heat transfer between elastic solids with randomly rough surfaces. We include both the heat transfer from the area of real contact, and the heat transfer between the surfaces in the noncontact regions. We apply a recently developed contact mechanics theory, which accounts for the hierarchical nature of the contact between solids with roughness on many different length scales. For elastic contact, at the highest (atomic) resolution the area of real contact typically consists of atomic (nanometer) sized regions, and we discuss the implications of this for the heat transfer. For solids with very smooth surfaces, as is typical in many modern engineering applications, the interfacial separation in the non-contact regions will be very small, and for this case we show the importance of the radiative heat transfer associated with the evanescent electromagnetic waves which exist outside of all bodies.
B. N. J. Persson; B. Lorenz; A. I. Volokitin
Distributed Roughness Receptivity in a Flat Plate Boundary Layer
- Distributed Receptivity . . . . . 6 2. FACILITY DESCRIPTION - THE KLEBANOFF�SARIC WIND TUNNEL 11 2.1 Test Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Fan and Motor... of this dissertation describes the Klebanoff�Saric Wind Tunnel facility, which was used for this experiment. Section 3 describes the experimental setup (roughness design and the flat plate model) and defines the metrics by which the flow field is decomposed...
Kuester, Matthew Scott
Dimensional variation and roughness of LIGA fabricated microstructures
We have measured the dimensional variation and sidewall roughness of features on PMMA micro- components fabricated by deep x-ray lithography in order to assess the effect of dimensional variation on subsequent assembly operations. Dimensional measurements were made using a stylus profilometer with a repeatability in step height of better than 0.01 {mu}m. Roughness measurements were made with the same profilometer scanning in a direction perpendicular to the length of the parts. 22 {mu}m and 54 {mu}m features exhibited dimensional variations described by a Gaussian distribution with standard deviations of 0.202 {mu}m and 0.381 {mu}m, respectively. This corresponds to a maximum relative variation of between 0.6% and 0.9%. Sidewall roughnesses were found to be in the range of 0.02 {mu}m to 0. 03 {mu}m, an insignificant contribution to the total variation when compared to overall dimensional variation. Several potential sources of this variation are discussed, but no single cause was identified as the source of the significant dimensional variation observed here.
Egert, C.M. [Oak Ridge National Lab., TN (United States); Wood, R. [Microelectronics Center of North Carolina, Research Triangle Park, NC (United States); Malek, C.K. [Louisiana State Univ., Baton Rouge, LA (United States)
Separate effects of surface roughness, wettability, and porosity on the boiling critical heat flux
The separate effects of surface wettability, porosity, and roughness on the critical heat flux (CHF) of water were examined using engineered surfaces. Values explored were 0, 5, 10, and 15??m for Rz (roughness), <5�, ?75�, ...
O'Hanley, Harry
E-Print Network 3.0 - angle deposited nano-rough Sample Search...
nano-rough Search Powered by Explorit Topic List Advanced Search Sample search results for: angle deposited nano-rough Page: << < 1 2 3 4 5 > >> 1 Advanced techniques for glancing...
Astrophysics of white dwarf binaries
White dwarf binaries are the most common compact binaries in the Universe and are especially important for low-frequency gravitational wave detectors such as LISA. There are a number of open questions about binary evolution and the Galactic population of white dwarf binaries that can be solved using gravitational wave data and at the same time, our ever improving knowledge about these binaries will help to predict the signals that can be expected for LISA. In addition a number of white dwarf binaries will serve as verification sources for the instrument. I will discuss these issues and report recent, surprising, developments in this field. Finally I report calculations about the feasibility of complementary electro-magnetic observations which unfortunately cannot reproduce the optimistic results of Cooray et al. (2004).
G. Nelemans
Cool Versus Ultracool White Dwarfs
A preliminary $BVRIJHK$ analysis of the white dwarfs SSSPM J2231$-$7514 and SSSPM J2231$-$7515 is presented. Although both stars were reported to have $T_{\\rm eff}<4000$ K, the analysis here indicates $T_{\\rm eff}\\approx4250$ K for both SSSPM J2231$-$7514 and SSSPM J2231$-$7515. Given substantial scientific interest in the coolest extant degenerate stars, it is necessary to distinguish sub 4000 K objects from the bulk of cool white dwarfs. This analysis reiterates the importance of near infrared observations in constraining the spectral energy distributions and effective temperatures of the coolest white dwarfs and briefly discusses their possible origins.
J. Farihi
Effects of hydraulic roughness on surface textures of gravel-bed rivers
Effects of hydraulic roughness on surface textures of gravel-bed rivers John M. Buffington1 that bed-surface grain size is responsive to hydraulic roughness caused by bank irregularities, bars condition of low hydraulic roughness. For a given 0bf , channels with progressively greater hydraulic
Performance and value of CAD-deficient pine- Final Report
The southern US produces 58% of the nation's timber, much of it grown in intensively managed plantations of genetically improved loblolly pine. One of the fastest-growing loblolly pine selections made by the NCSU-Industry Cooperative Tree Improvement Program, whose progeny are widely planted, is also the only known natural carrier of a rare gene, cadn1. This allele codes for deficiency in an enzyme, cinnamyl alcohol dehydrogenase, which catalyzes the last step in the biosynthesis of lignin precursors. This study is to characterize this candidate gene for marker-assisted selection and deployment in the breeding program. This research will enhance the sustainability of forest production in the South, where land-use pressures will limit the total area available in the future for intensively managed plantations. Furthermore, this research will provide information to establish higher-value plantation forests with more desirable wood/fiber quality traits. A rare mutant allele (cad-n1) of the cad gene in loblolly pine (Pinus taeda L.) causes a deficiency in the production of cinnamyl alcohol dehydrogenase (CAD). The effects of this allele were examined by comparing wood density and growth traits of cad-n1 heterozygous trees with those of wild-type trees in a 10-year-old open-pollinated family trial growing under two levels of fertilization in Scotland County, North Carolina. In all, 200 trees were sampled with 100 trees for each treatment. Wood density measurements were collected from wood cores at breast height using x-ray densitometry. We found that the substitution of cad-n1 for a wild-type allele (Cad) was associated with a significant effect on wood density. The cad-n1 heterozygotes had a significantly higher wood density (+2.6%) compared to wild-type trees. The higher density was apparently due to the higher percentage of latewood in the heterozygotes. The fertilization effect was highly significant for both growth and wood density traits. While no cad genotype x treatment interactions was found for any of the traits studied, in the fertilized plots, the effect of the cad-n1 allele on wood density was reduced. The study indicates that the cad-n1 allele could be a valuable gene to the pulp and paper industry for the purpose of enhancing pulp yields through increasing wood density. Stem growth and wood density associated with a mutant null (cad-n1) allele were examined in three 15-year-old loblolly pine diallel tests, established on two sites in the southern United States. In each diallel test, one or two cad-n1 heterozygous parents were crossed with five unrelated wild-type parents, to produce five or ten full-sib families. In all, 839 trees from 20 full-sib families in four genetic backgrounds (a cad-n1 heterozygote x 5 unrelated trees) were sampled, genotyped at the cad locus, and assessed for growth and wood density traits. In a combined analysis of all four genetic backgrounds, we found evidence for effects of increased wood density associated with the cad-n1 allele at age 15 (p=0.03) years and height growth at ages 6 (p=0.03) and 15 (p=0.005). There were large differences in the cad-n1 effects for the various growth and wood traits among the diallel tests. This variation may be due to either different genetic backgrounds among the parents of the different diallel tests, or for different growing environments at the field sites. Even though the cad-n1 effect on growth and wood density was significant across genetic backgrounds, the effect was variable among full-sib families within backgrounds. We speculate that certain wild-type alleles from second parents specifically interact with cad-n1 producing large positive effects. In addition, pleiotropic effects on growth and wood density appear to be associated with the cad-n1 allele. While substantial gains are possible through deployment of trees carrying cad-n1, these gains may be family-specific and should be verified for each cross through field testing.
Bailian Li; Houmin Chang; Hasan Jameel
Organochlorine compounds in pine needles: Methods and trends
During April 1989, needles from Scotch pine (Pinus sylvestris) trees were collected from a network of stations in West Germany, Denmark, Norway, and Sweden. Samples from selected stations were analyzed for hexachlorobenzene (HCB), pentachlorophenol (PCP), hexachlorocyclohexane isomers ([alpha]-HCH and [gamma]-HCH [lindane]), DDT, and DDE. Accumulation of the investigated compounds was observed in up to four needle-year classes. [gamma]-HCH decreased from south to north; the pattern for [alpha]-HCH was uniform; DDT/DDE also decreased from south to north. HCB was uniform throughout the sample area, and PCP was high in northern Sweden. Interpretation of trends was not altered by expressing concentrations on a fresh- or dry-weight basis or on a surface-area basis. The range of concentration variation for equivalent samples was 2 to 49% relative standard deviation; averages were 20 to 23%. There were no differences among trees facing the sample open direction; among different directions, trees open to the south collected more DDT, but this was not the case with other substances. There were no differences between trees of different ages. Samples at 4 to 5 m had lower contaminant levels than from 1.5 m.
Strachan, W.M.J. (National Water Research Inst., Burlington, Ontario (Canada). Centre for Inland Waters); Eriksson, G.; Jensen, S. (Stockholm Univ. (Sweden). Wallenberg Lab.); Kylin, H. (Stockholm Univ. (Sweden). Wallenberg Lab. Stockholm Univ. (Sweden). Dept. of Analytical Chemistry)
Some aspects of drought resistance in loblolly pine seedlings
POUh ixD sENUDE NL CuLP NI9DFUD9 UP rEh cEORD )h XPFDu sxP LO((DLUD9 UxD aEPFuDm CI9 xDuaD9 NI UxD NINUNCUNPI Pn UxD LUO95h ,OI9L sDED mC9D CqCNuCFuD F5 C nDuuPsLxNa C9mNINLUECUD9 F5 UxD iDtCL ,PEDLU TDEqNRD CI9 nNICIRD9 F5 LDqDECu nPEDLU NI9OLUENDL... of sunflower and loblolly pine and its significance for drought resistance 70 Introduction 70 1C(D 1C(D pDLOuUL CI9 9NLROLLNPI 8w YxCaUDE 0h ,CRUPEL PUxDE UxCI auCIU RxCECRUDEL sxNRx mC5 xCqD RPIUENFOUD9 UP UxD LOEqNqCu Pn uPFuPuu5 aNID NI uPRCuNUNDL s...
Brix, Holger
West Short Pine Hills field, Harding County, South Dakota
The West Short Pine Hills field is a shallow gas field that produces from the Shannon Sandstone Member, on the Camp Crook anticline in southwestern Harding County, South Dakota. The Alma McCutchin 1-17 Heikkila discovery was drilled in the NW1/4, Sec. 17, T16N, R2E, to a depth of 1600 ft and completed in October 1977 for 600 MCFGD from perforations at 1405-1411 ft. To date, 40 gas wells have been completed with total estimated reserves of more than 20 bcf. The field encompasses 12,000 ac, with a current drill-site spacing unit of 160 ac. The field boundaries are fairly well defined, except on the south edge of the field. The wells range in depth from 1250 to 2200 ft, and cost $60,000-$85,000 to drill and complete. Core and log analyses indicate that the field has 70 ft of net pay, with average porosity of 30% and average permeability of 114 md. Most wells have been completed with nitrogen-sand frac. Williston Basin Interstate Pipeline Company of Bismarck, North Dakota, operates a compressor station and 2.5 mi of 4-in. line that connects the field to their 160 in. north-south transmission line to the Rapid City area. Currently, producers are netting $1.10-$1.25/million Btu. The late Mathew T. Biggs of Casper, Wyoming, was the geologist responsible for mapping and finding this gas deposit.
Strothman, B.
White House Initiative on Historically Black Colleges and Universities...
White House Initiative on Historically Black Colleges and Universities White House Initiative on Historically Black Colleges and Universities How WHI-HBCU are ran White House...
White Papers on Materials for Photoelectrochemical Water Splitting...
White Papers on Materials for Photoelectrochemical Water Splitting White Papers on Materials for Photoelectrochemical Water Splitting Series of white papers from the U.S....
Scaling laws governing the roughness of the swash edge line
The physics of swash i.e. a layer of water that washes up on the beach after an incoming wave has broken is complicated and intriguing. It includes perplexed hydrodynamic and sediment transport events. In our paper we address to the roughness of the moving swash boundary at which a beach, water and air meet. We treat the behavior of this boundary as an interfacial phenomenon, without going into details of formation of edge waves and beach cusps, covered broadly in literature. This "crude" approach turns out to be productive and revealing the resemblance of the swash line with a broad diversity of effects arising from the random pinning of moving boundaries.
Ed. Bormashenko; A. Musin; R. Grynuov
the socio-economic effects of drought. Strategic Goals Following the findings and recommendations from two (outside of agriculture) � Few "disaster" declarations � Not even a unified roster of drought eventsWESTERN WATER ASSESSMENT WHITE PAPER Tracking Socioeconomic Impacts of Drought with Rapid Analytics
Neff, Jason
Exciting White Lighting | Department of Energy
Exciting White Lighting Exciting White Lighting April 23, 2010 - 10:27am Addthis Joshua DeLung In the future, your office building's windows might be replaced with windows that...
White Sturgeon Bibliography, 1985 Final Report.
This bibliography presents citations to the majority of published materials on white sturgeon (Acipenser transmontanus). The purpose was to assist in planning and implementing research on white sturgeon in the Columbia River system. (ACR)
Fickeisen, Duane H. (Pacific Northwest National Laboratory, Richland, WA)
Diversity and phylogenetic affinities of foliar fungal endophytes in loblolly pine inferred by culturing and environmental PCR
Diversity and phylogenetic affinities of foliar fungal endophytes in loblolly pine inferred endophytic fungi in asymp- tomatic foliage of loblolly pine (Pinus taeda) in North Carolina, USA, with four (environmental PCR of surface sterilized foliage) for estimating endophyte diversity and species composition
Lutzoni, Fran�ois M.
Evaluating the role of cutting treatments, fire and soil seed banks in an experimental framework in ponderosa pine
in ponderosa pine forests of the Black Hills, South Dakota Cody L. Wienka,* , Carolyn Hull Siegb , Guy R. Mc in the Black Hills of South Dakota and Wyoming, covering nearly 95% of the forested area (Sheppard Forest Service, Rocky Mountain Research Station, 2500 South Pine Knoll, Flagstaff, AZ 86001, USA Received
Inside the White House: Solar Panels
Go inside the White House and learn about the installation of solar panels on the roof of the residence.
Magnetic field topology of accreting white dwarfs
We report first results of our systematic investigation of the magnetic field structure of rotating single magnetic white dwarfs and of white dwarfs in magnetic cataclysmic variables. The global magnetic field distributions on the isolated white dwarf HE1045-0908 and the accreting white dwarfs in EF Eri and CP Tuc have been derived from phase-resolved flux and polarization spectra obtained with FORS1 at the ESO VLT using the systematic method of Zeeman tomography.
Klaus Reinsch; Fabian Euchner; Klaus Beuermann; Stefan Jordan
Evidential Symmetry and Mushy Credence Roger White
1 Evidential Symmetry and Mushy Credence Roger White MIT email@example.com draft 4/07 The Principle arise. I'm wondering if the marble taken from this urn is black or white. I might have a rich body in the box has been selected from a shaken urn containing just five white and five black balls. Or I might
Fitelson, Branden
White House Forum on Minorites in Energy
On November 13, 2013, the Department of Energy and the White House Office of Science and Technology Policy, the Council for Environmental Quality, and the White House Office of Public Engagement co-hosted the White House Forum on Minorities in Energy. The event included the announcement of the Ambassadors for the Minorities in Energy Initiative.
Networks and globalization policies Douglas R. White
9 Networks and globalization policies Douglas R. White 1 This Chapter argues for connecting models economy (e.g., Reichardt and White, 2007), nor of changes of position in the core-periphery economic structure (Smith and White, 1992) entail that core-periphery exchange structures are everywhere
WHITE DWARFS H. M. Van Horn
WHITE DWARFS H. M. Van Horn Department of Physios and Astronomy £ §.£.Kenneth Mees Observatory of matter in the dense, degenerate cores of white dwarfs, together with efficient heat transport through the high-density envelopes of these stars, affect the theoretical white dwarf lu- minosity function
Paris-Sud XI, Université de
Bayesian surface estimation for white light interferometry
.email@example.com). 1 #12;The development of white light interferometers for industry was first guidedBayesian surface estimation for white light interferometry Michael Hissmann Fred A. Hamprecht 2004/07/05 Abstract In conventional white light interferometry (WLI) surface estimation, data acquisition is followed
Hamprecht, Fred A.
White Dwarfs in Binary Systems A white dwarf orbiting another star can become active
White Dwarfs in Binary Systems A white dwarf orbiting another star can become active when the other becomes incandescent. #12;H and He from the companion build up on the white dwarf's surface. Classical. Explosions from White Dwarf Star RS Oph #12;Classical Novae: RS Ophiuci Recurrent Nova RS Ophiuci Explosions
Barnes, Joshua Edward
The white seabass (Atractoscion nobi-lis), also known as white weakfish
143 The white seabass (Atractoscion nobi- lis), also known as white weakfish (Eschmeyer et al Sciaenidae (croakers and drums) that inhabits California coastal waters (Miller and Lea, 1972), white seabass and Franklin, 1992). A previous study, in which the go- nads of commercially caught white seabass were examined
Dr. Rick White Richard L. White received his Ph.D. in Astrophysics from the
Dr. Rick White Richard L. White received his Ph.D. in Astrophysics from the University of WisconsinI as head of large software groups and leading the development of Hubble data analysis systems. Dr. White. White is co- investigator on the Hubble Space Telescope Advanced Camera, which was installed in Hubble
Zanibbi, Richard
Upper White River Watershed Alliance Upper White River Watershed Alliance (UWRWA)
Upper White River Watershed Alliance Upper White River Watershed Alliance (UWRWA) P.O. Box 2065 integrity of the White River ecosystem. To successfully accomplish the vision of UWRWA, a 16-county was formed. It exists to improve and protect water quality on a watershed basis in the larger Upper White
White Dwarfs and Dark Matter Based on the identification of 38 white
White Dwarfs and Dark Matter Based on the identification of 38 white dwarfs with halo kinematics to conclude that they have overestimated that the density of white dwarfs with halo kinematics. Oppenheimer et al. (1) derived their local white dwarf density n via the 1/Vmax tech- nique (2). The equation
Oppenheimer, Ben R.
White Dwarf and Pre-White Dwarf Pulsations M. H. Montgomery
White Dwarf and Pre-White Dwarf Pulsations M. H. Montgomery Department of Astronomy and Mc Observatory, Greenville, DE, USA Abstract. In this review I describe the basic properties of white dwarfs, convection, accretion, and cosmochronology. Keywords: white dwarfs, oscillations, equation of state PACS: 97
Jefferys, William
Spitzer White Dwarf Planet Limits
We present preliminary limits on the presence of planets around white dwarf stars using the IRAC photometer on the Spitzer space telescope. Planets emit strongly in the mid-infrared which allows their presence to be detected as an excess at these wavelengths. We place limits of $5 M_J$ for 8 stars assuming ages of $1 Gyr$, and $10 M_J$ for 23 stars.We describe our survey, present our results and comment on approaches to improve our methodology.
F. Mullally; Ted von Hippel; D. E. Winget
The effects of the substrate surface roughness on graphene plasmons
We investigate the effects of variation in the gap size between mono-layer graphene and a substrate with a randomly rough surface on the linear response of graphene�s ? electron bands within the approximation of Dirac fermions. We adopt the electrostatic Green�s function developed by Rahman and Maradudin [Phys. Rev. B 21, 2137�2143 (1980)] for the surface of a dielectric medium, which exhibits a Gaussian distributed height profile and combine it with the polarization function of graphene described as a zero-thickness planar layer at a fixed distance from the mean position of the substrate surface. We specifically consider the effects of a random gap size on the two-dimensional sheet plasmon mode in heavily doped graphene, both on its dispersion relation in the long-wavelength limit and its broadening due to Landau damping in the continuum of inter-band electron-hole excitations at shorter wavelengths.
Lyon, Keenan A.; Miskovic, Zoran L. [Department of Applied Mathematics, University of Waterloo, 200 University Ave W, N2L 3G1, Waterloo, Ontario (Canada)
Photometric Identification of Cool White Dwarfs
We investigate the use of a narrow-band DDO51 filter for photometric identification of cool white dwarfs. We report photometric observations of 30 known cool white dwarfs with temperatures ranging from 10,000 K down to very cool temperatures (<3500 K). Follow-up spectroscopic observations of a sample of objects selected using this filter and our photometric observations show that DDO51 filter photometry can help select cool white dwarf candidates for follow-up multi--object spectroscopy by rejecting 65% of main sequence stars with the same broad--band colors as the cool white dwarfs. This technique is not selective enough to efficiently feed single--object spectrographs. We present the white dwarf cooling sequence using this filter. Our observations show that very cool white dwarfs form a sequence in the r-DDO vs. r-z color--color diagram and demonstrate that significant improvements are needed in white dwarf model atmospheres.
M. Kilic; D. E. Winget; Ted von Hippel; C. F. Claver
Magnetic field effects on the thermonuclear combustion front of Chandrasekhar mass white dwarfs
The explosion of a type Ia supernova starts in a white dwarf as a laminar deflagration at the center of the star and soon several hydrodynamic instabilities, in particular, the Rayleigh-Taylor instability, begin to act. A cellular stationary combustion and a turbulent combustion regime are rapidly achieved by the flame and maintained up to the end of the so-called flamelet regime when the transition to detonation is believed to occur. The burning velocity at these regimes is well described by the fractal model of combustion. Using a semi-analytic approach, we describe the effect of magnetic fields on the fractalization of the front considering a white dwarf with a nearly dipolar magnetic field. We find an intrinsic asymmetry on the velocity field that may be maintained up to the free expansion phase of the remnant. Considering the strongest values inferred for a white dwarf's magnetic fields with strengths up to $10^{8}-10^{9}$ G at the surface and assuming that the field near the centre is roughly 10 times greater, asymmetries in the velocity field higher than $10-20 %$ are produced between the magnetic polar and the equatorial axis of the remnant which may be related to the asymmetries found from recent spectropolarimetric observations of very young SN Ia remnants. Dependence of the asymmetry with white dwarf composition is also analyzed.
Cristian R. Ghezzi; Elisabete M. de Gouveia Dal Pino; Jorge E. Horvath
Effects of the roughness characteristics on the wire tool surface for the electrical discharge machining properties
Wire electrical discharge machining (WEDM) has been investigated to obtain the better discharge machining properties of the removal rate and the surface roughness in a few decades. Recently, it revealed that the rough tool electrodes can improve the WEDM properties for some sort of materials. In this study, the rough wire electrodes using a wet blasting method was developed and evaluated the machining performance for the insulated Si{sub 3}N{sub 4} in the WEDM processes. As the results, it could not recognize the advantage of roughness wire electrode under the high-energy condition, but it found that the electro-conductive layer thickness became thinner in comparison with those of normal wires. On the contrary, it could be obtained the better surface roughness in the low energy condition. It was supposed that the roughed wire surface generates the homogeneous dispersion discharges on the workpiece.
Fukuzawa, Yasushi; Yamashita, Masahide; Mamuro, Hiroaki; Yamashita, Ken [Nagaoka University of Technology, Department of Mechanical Engineering, 1603-1 Kamitomioka-machi, Nagaoka, Niigata, 940-2188 (Japan); Ogata, Masayoshi [Macoho Co., Ltd. 525 Kanawa, Isurugi-machi, Nagaoka, Niigata 940-2032 JAPAN (Japan)
Fungal endophytes in woody roots of Douglas-fir (Pseudotsuga menziesii) and ponderosa pine (Pinus ponderosa)
Fungal endophytes in woody roots of Douglas-fir (Pseudotsuga menziesii) and ponderosa pine (Pinus baseline data for future surveys of fungal endophytes. Examination of internal transcribed spacer (ITS1 evidence of host species or plant association effects on total recovery of fungal endophytes or recovery
Biomass and Bioenergy 31 (2007) 646655 Estimating biomass of individual pine trees using airborne lidar
Biomass and Bioenergy 31 (2007) 646655 Estimating biomass of individual pine trees using airborne biomass and bio-energy feedstocks. The overall goal of this study was to develop a method for assessing aboveground biomass and component biomass for individual trees using airborne lidar data in forest settings
Developing the Scots pine resource Results from a 3 year project
) Area of Scots pine Forest as a Proportion of Total Forest Area Entire Country NPP Area Finland 13000 65;End uses Finland Norway Scotland Sweden ·Pulpwood (55%) ·Construction ·Interior joinery and linings ·Transmission poles ·Log houses Pulpwood (45%) Construction Joinery Fencing Transmission poles Log houses Wood
Hydraulic adjustment of Scots pine across Europe J. Martnez-Vilalta1,2
Research Hydraulic adjustment of Scots pine across Europe J. Mart�nez-Vilalta1,2 , H. Cochard3), 8903 Birmensdorf, Switzerland Summary � The variability of branch-level hydraulic properties, xylem anatomy, sapwood- and leaf-specific hydraulic conductivity (KS and KL), vulnerability to embolism
Mencuccini, Maurizio
Above- and belowground competition from longleaf pine plantations limits performance of reintroduced herbaceous species.
Although overstory trees limit the abundance and species richness of herbaceous vegetation in longleaf pine (Pinus palustris Mill.) plantations, the responsible mechanisms are poorly understood because of confounding among limiting factors. In fall 1998, research was initiated to determine the separate effects of above- and belowground competition and needlefall from overstory pines on understory plant performance. Three 13- to 15-yr-old plantations near Aiken, SC, were thinned to 0, 25, 50, or 100% of nonthinned basal area (19.5 m2 ha-1). Combinations of trenching (to eliminate root competition) and needlefall were applied to areas within each plot, and containerized seedlings of 14 perennial herbaceous species and longleaf pine were planted within each. Overstory crown closure ranged from 0 to 81%, and soil water and available nitrogen varied consistently with pine stocking, trenching, or their combination. Cover of planted species decreased an average of 16.5 and 14.1% as a result of above- and below-ground competition, respectively. Depending on species, needlefall effects were positive, negative, or negligible. Results indicate that understory restoration will be most successful when herbaceous species are established within canopy openings (0.1-0.2 ha) managed to minimize negative effects from above- and belowground competition and needlefall.
T.B. Harrington; C.M. Dagley; M.B. Edwards.
Effects of thinning and herbicide application on vertebrate communities in longleaf pine plantations
Currently, nearly 98% of the land area once dominated by longleaf pine ecosystems has been converted to other uses. The U.S. Forest Service is replanting logged areas with longleaf pine at the Savannah River Site, New Ellenton, South Carolina, in an effort to restore these ecosystems. To ascertain the effects of various silvicultural management techniques on the vertebrate communities, we surveyed small mammal, herpetofaunal, and avian communities in six 10- to 13-year-old longleaf pine plantations subjected to various thinning and herbicide regimes. Areas within each plantation were randomly assigned one of four treatments: thinning, herbicide spraying, thinning and herbicide, and an untreated control. For all vertebrate groups, abundance and species diversity tended to be less in the controls than treated areas. Birds and small mammals were most abundant and diverse in thinned treatments versus spray only and control. Herpetofauna capture rates were low and, thus, we were unable to detect treatment-related differences. Silvicultural treatments that reduce hardwood stem density and pine basal area can enhance habitat conditions for numerous vertebrate species.
Brunjes, Kristina J.; Miller, Karl V.; Ford, Mark W.; Harrington, Timothy B.; Edwards, Boyd M.
Biomass and Bioenergy 30 (2006) 316320 How to recover more value from small pine trees
Biomass and Bioenergy 30 (2006) 316320 How to recover more value from small pine trees: Essential of residual biomass. To offset the cost of handling this low-value timber, additional marketing options States market for such products. However, less is known of the capability of essential oils extracted
Red Band Needle Blight Programme Red Band Needle Blight of Pine Programme Group
Red Band Needle Blight Programme Group Red Band Needle Blight of Pine Programme Group Minutes Support Welcome and introduction 1. Jim thanked everyone for attending the first meeting of the Red Band and that the private 1 | Paper 1 - Minutes | Debbie Erskine | 23/01/2009 #12;Red Band Needle Blight Programme Group
Author's personal copy Energy and water balance of two contrasting loblolly pine plantations on the
Author's personal copy Energy and water balance of two contrasting loblolly pine plantations are more interested in water and carbon balances, quantifying forest energy balance offers insights to how Accepted 9 September 2009 Keywords: Energy balance Evapotranspiration Forest albedo Forest hydrology
Noormets, Asko
BOUNDARY LAYER (BL) THERMAL EDDIES OVER A PINE FOREST FROM CARES 2010 Gunnar Senum and Stephen are three thermal eddies, about 250 meters wide, in the boundary layer. These thermal eddies are formed from the solar heating of the surface and help to form the boundary layer. The eddy updrafts are transporting
Vapor pressure and boiling point elevation of slash pine black liquors: Predictive models with statistical approach
Vapor-liquid equilibria and boiling point elevation of slash pine kraft black liquors over a wide range of solid concentrations (up to 85% solids) has been studied. The liquors are from a statistically designed pulping experiment for pulping slash pine in a pilot scale digester with four cooking variables of effective alkali, sulfidity, cooking time, and cooking temperature. It was found that boiling point elevation of black liquors is pressure dependent, and this dependency is more significant at higher solids concentrations. The boiling point elevation data at different solids contents (at a fixed pressure) were correlated to the dissolved solids (S/(1 {minus} S)) in black liquor. Due to the solubility limit of some of the salts in black liquor, a change in the slope of the boiling point elevation as a function of the dissolved solids was observed at a concentration of around 65% solids. An empirical method was developed to describe the boiling point elevation of each liquor as a function of pressure and solids mass fraction. The boiling point elevation of slash pine black liquors was correlated quantitatively to the pulping variables, using different statistical procedures. These predictive models can be applied to determine the boiling point rise (and boiling point) of slash pine black liquors at processing conditions from the knowledge of pulping variables. The results are presented, and their utility is discussed.
Zaman, A.A.; McNally, T.W.; Fricke, A.L. [Univ. of Florida, Gainesville, FL (United States)] [Univ. of Florida, Gainesville, FL (United States)
Organic geochemical evidence for pine tar production in middle Eastern Sweden during the Roman Iron Age
Organic geochemical evidence for pine tar production in middle Eastern Sweden during the Roman Iron Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden b Upplands muse´et, St: Eriks gra¨nd 6, SE-753 10 Uppsala, Sweden Received 21 September 2004; received in revised form 15 June 2005; accepted 21
M. Shepherd et al.Branch architecture QTL for pine hybrids Original article
M. Shepherd et al.Branch architecture QTL for pine hybrids Original article Branch architecture QTL Crossa , Mark J. Dietersb and Robert Henrya a Cooperative Research Centre for Sustainable Production, Australia b Cooperative Research Centre for Sustainable Production Forestry, Queensland Forestry Research
Changes in Snag Populations in Northern Arizona Mixed-Conifer and Ponderosa Pine Forests, 19972002
Changes in Snag Populations in Northern Arizona Mixed-Conifer and Ponderosa Pine Forests, 1997 (Pinus ponderosa, n 60 plots) forests in north-central Arizona from 1997 to 2002. Of 2,240 snags marked in 1997, at least 76% remained standing in 2002, 17% had fallen and were relocated as logs, 0.5% were cut
The development of winter hardiness of pine and spruce seedlings in a simulated acid rain experiment
The development of winter hardiness of pine and spruce seedlings in a simulated acid rain-April, when the starch grains again appeared (Fig. 4). The exposure to acid rain did not significantly affect.g., Davison and Barnes, 1986; Freer- Smith and Mansfield, 1987). However, the effects of acid rain on conifer
Ponderosa pine (Pinus ponderosa) forests in the southwestern United States historically were more
refereed Address for Steven L. Martin and Tad C. Theimer: Department of Biological Sciences, Box 5640, Northern Arizona University, Flagstaff, AZ 86011, USA; e-mail for Theimer: firstname.lastname@example.com. Address. Ponderosa pine restoration and turkey roost site use in northern Arizona Steven L. Martin, Tad C. Theimer
Theimer, Tad
Fractal Iron Oxide Single-Crystal Dendritic Micro-Pines of Magnetic
Fractal Iron Oxide Single-Crystal Dendritic Micro-Pines of Magnetic a-Fe2O3: Large-Scale Synthesis,2] Fractal structures are common in nature across all length scales, from self-assembled molecules. On the nanoscale, dendritic fractals are one type of hyperbranched structure which are generally formed
Wang, Zhong L.
GLOBAL CHANGE ECOLOGY -ORIGINAL PAPER Buffered climate change effects in a Mediterranean pine species
GLOBAL CHANGE ECOLOGY - ORIGINAL PAPER Buffered climate change effects in a Mediterranean pine Abstract Within-range effects of climatic change on tree growth at the sub-regional scale remain poorly- growth responses to climate change, the role of drought becomes even more complex in shaping communities
Herrera, Carlos M.
Optimisation of steam extraction of oil from maritime pine needles S.A. REZZOUG
1 Optimisation of steam extraction of oil from maritime pine needles S.A. REZZOUG University of La needles is generally extracted by steam distillation process at atmospheric pressure for more than one subjecting the substrate for a short time to steam varying from 1.5 to 5.5 bar (113 to 155 °C) for 4 to 20
Boyer, Edmond
White House honors Los Alamos
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched FerromagnetismWaste and MaterialsWenjun DengWISP SignIn OctoberWhite House honors Los
White Tail | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place: SaltTroyer & AssociatesWestILI Wind FarmName WhiteTail Jump
Discovery of an Ultracool White Dwarf Companion
The discovery of a low luminosity common proper motion companion to the white dwarf GD392 at a wide separation of $46''$ is reported. $BVRI$ photometry suggests a low temperature ($T_{\\rm eff}\\sim4000$ K) while $JHK$ data strongly indicate suppressed flux at all near infrared wavelengths. Thus, GD392B is one of the few white dwarfs to show significant collision induced absorption due to the presence of photospheric ${\\rm {H_2}}$ and the first ultracool white dwarf detected as a companion to another star. Models fail to explain GD392B as a normal mass white dwarf. If correct, the cool companion may be explained as a low mass white dwarf or unresolved double degenerate. The similarities of GD392B to known ultracool degenerates are discussed, including some possible implications for the faint end of the white dwarf luminosity function.
Lyapunov instability of rough hard-disk fluids
The dynamical instability of rough hard-disk fluids in two dimensions is characterized through the Lyapunov spectrum and the Kolmogorov-Sinai entropy, $h_{KS}$, for a wide range of densities and moments of inertia $I$. For small $I$ the spectrum separates into translation-dominated and rotation-dominated parts. With increasing $I$ the rotation-dominated part is gradually filled in at the expense of translation, until such a separation becomes meaningless. At any density, the rate of phase-space mixing, given by $h_{KS}$, becomes less and less effective the more the rotation affects the dynamics. However, the degree of dynamical chaos, measured by the maximum Lyapunov exponent, is only enhanced by the rotational degrees of freedom for high-density gases, but is diminished for lower densities. Surprisingly, no traces of Lyapunov modes were found in the spectrum for larger moments of inertia. The spatial localization of the perturbation vector associated with the maximum exponent however persists for any $I$.
Jacobus A. van Meel; Harald A. Posch
Wind Turbine Acoustic Noise A white paper
Wind Turbine Acoustic Noise A white paper Prepared by the Renewable Energy Research Laboratory...................................................................... 8 Sound from Wind Turbines .............................................................................................. 10 Sources of Wind Turbine Sound
Massachusetts at Amherst, University of
White Etch Areas: Metallurgical Characterization and Atomistic...
and Atomistic Modeling Presented by R. Scott Hyde of Timken Company at the 2014 Wind Turbine Tribology Seminar Timken Hyde White Etch Areas ANL Presentation Oct 2014...
Gaia - A White Dwarf Discovery Machine
The Gaia data will help to improve the construction of a luminosity function for the disk and the halo and will provide a more accurate determination of the age of our solar neighborhood. Moreover, reliable stellar dynamical investigations of the disk and halo components will be possible. For the first time it will be possible to test the mass-radius relation of white dwarfs in great detail. Moreover, more accurate masses of magnetic and cool white dwarfs can be expected. Gaia is also expected to discover many new pulsating white dwarfs. The Gaia measurements can also complement the measurements of gravitational waves from close white dwarf binaries with Lisa.
Stefan Jordan
Donald Byrne (white) vs. Robert James "Bobby" Fischer (black) 1956 White Black
Donald Byrne (white) vs. Robert James "Bobby" Fischer (black) 1956 White Black 1. Nf3 Nf6 comments here are called "annotation" 2. c4 g6 3. Nc3 Bg7 black bishop sits on long diagonal 4. d4 0-0 white black threatens the queen 7. Qxc4 c6 8. e4 Nbd7 black's knight on b moves to d7 9. Rd1 Nb6 white's rook
Zirbel, Craig L.
Fuzzy logic approach to supervised segmentation of forest regions infested by Southern Pine Beetle using color airborne images
Digital image processing technique and fuzzy logic approach are used to identify forest areas infested with Southern Pine Beetle, SPB, using normal color airborne imageries in this research. This research will be used as a front end of a larger...
Ng, Kit-Tong
Assessment of carbon sequestration and timber production of Scots pine across Scotland using the process-based model 3-PGN�
detailed eco-physiological interpretation of the environmental factors affecting Scots pine growth and it provided an assessment of carbon sequestration under the scenario of sustainable, normal production and its effects from the environment. Finally...
Xenakis, Georgios
White dwarf mergers,White dwarf mergers, thermonuclear supernovae,thermonuclear supernovae,
White dwarf mergers,White dwarf mergers, thermonuclear supernovae,thermonuclear supernovae fusion is ignited. Degenerate, hence runaway. #12;CO white dwarf accretes, either from companion, or from disk after merger. As it approaches maximum mass, C fusion is ignited. Degenerate, hence runaway. SN Ia
Hinton, Jim
On the limiting aerodynamic roughness of the ocean in very strong winds
On the limiting aerodynamic roughness of the ocean in very strong winds M. A. Donelan,1 B. K. Haus January 2004; accepted 13 August 2004; published 28 September 2004. [1] The aerodynamic friction between, the ``aerodynamic roughness'') increases with the wind speed. Can one merely extrapolate this wind speed tendency
Saltzman, Eric
Maximum Class Separability for Rough-Fuzzy C-Means Based Brain MR Image Segmentation
Maximum Class Separability for Rough-Fuzzy C-Means Based Brain MR Image Segmentation Pradipta Maji of brain MR images. The RFCM algorithm comprises a judicious integration of the of rough sets, fuzzy sets with vagueness and incompleteness in class definition of brain MR images, the membership function of fuzzy sets
Pal, Sankar Kumar
EFFECT OF CONTACT VISCOSITY AND ROUGHNESS ON INTERFACE STIFFNESS AND WAVE PROPAGATION Anil Misra1 and asperity properties compete in determining the stiffness behavior, and consequently, the wave propagation widely used to investigate plane wave propagation through contacts between two rough solids [see
, Resources, Roughness, Coastal Sea Areas, Waves, Rødsand 1 INTRODUCTION Large offshore wind farms are beingA FETCH DEPENDENT MODEL OF SEA SURFACE ROUGHNESS FOR OFFSHORE WIND POWER UTILISATION Bernhard Lange wind conditions of offshore sites, since the higher energy yield has to compensate the additional
Heinemann, Detlev
CIB White Paper on IDDS Integrated Design & Delivery Solutions
CIB White Paper on IDDS Integrated Design & Delivery Solutions Publication 328 ISBN 978-90-6363-060-7 #12;CIB White Paper on IDDS Page 1 of 15 CIB White Paper on IDDS Integrated Design & Delivery White Paper on IDDS Page 2 of 15 Table of Contents Introduction and Use of this White Paper
Amor, Robert
Near-field heat transfer between a nanoparticle and a rough surface
In this work we focus on the surface roughness correction to the near-field radiative heat transfer between a nanoparticle and a material with a rough surface utilizing a direct perturbation theory up to second order in the surface profile. We discuss the different distance regimes for the local density of states above the rough material and the heat flux analytically and numerically. We show that the heat transfer rate is larger than that corresponding to a flat surface at short distances. At larger distances it can become smaller due to surface polariton scattering by the rough surface. For distances much smaller than the correlation length of the surface profile, we show that the results converge to a proximity approximation, whereas in the opposite limit the rough surface can be replaced by an equivalent surface layer.
Svend-Age Biehs; Jean-Jacques Greffet
Estimation of aboveground biomass and inorganic nutrient content of a 25-year-old loblolly pine (Pinus taeda L.) plantation
ESTIMATION OF ABOVEGROUND BIOMASS AND INORGANIC NUTRIENT CONTENT OF A 25-YEAR-OLD LOBLOLLY PINE (PINUS TAEDA L. ) PLANTATION A Thesis by JAMES NELSON MOUSER Submitted to the Graduate College of Texas ARM University in partial fulfillment... of the requirement for the degree of MASTER OF SCIENCE August lqBO Major Si bject: Forestry ESTIMATION OF ABOVEGROUND BIOMASS AND INORGANIC NUTRIENT CONTENT OF A 25-YEAR-OLD LOBLOLLY PINE (PINUS TAEDA L. ) PLANTATION A Thesis by JAMES NELSON HOUSER Approved...
Houser, James Nelson
Nutrient content variation in wood and foliage of slash pine (Pinus elliottii Engelm.) with season and soil series
NUTRIENT. CONTENT VARIATION IN WOOD AND FOLIAGE OF SLASH PINE (PINUS ELLIOTTII ENGELN. ) WITH SEASON AND SOIL SERIES A Thesis by RONALD HOWARD BLACKWELDER Submitted to the Graduate College of Texas AKJ&l University in partial fulfillment... of the requirement for the degree of MASTER OF SCIENCE Decenber 1977 Najor Subject: Forestry NUTRIENT CONTENT VARIATION IN WOOD AND FOLIAGE OF SLASH PINE (PINUS ELLIOTTI ENGELM. ) WITH SEASON AND SOIL SERIES A Thesis by RONAL D HOWARD BL AC KWE L DE R...
Blackwelder, Ronald Howard
Performance of Planted Herbaceous Species in Longleaf Pine (Pinus palustris Mill.) Plantations: Overstory Effects of Competition and Needlefall
Research to determine the separate effects of above-ground and below-ground competition and needlefall of over-story pines on under-story plant performance. Periodic monitoring of over-story crown closure, soil water content, temperature, and nutrients were conducted. Results indicate competition for light had a more determental effect on performance of herbaceous species in longleaf pine plantations than that resulting from competition for below-ground resources.
Dagley, C.M.
A soil-site investigation of slash pine (Pinus elliottii engelm.) plantations in the flatwoods section of southeast Texas
A SOIL-SITE INVESTIGATION OF SLASH PINE (PINUS ELLIOTTII ENGELM. ) PLANTATIONS IN THE FLATNOODS SECTION OF SOUTHEAST TEXAS A Thesis by ROBERT JAMES FEWIN Submitted to the Graduate College of Texas ASM University in partial fulfillment... of the requirement for the degree of MASTER OF SCIENCE May 19 71 Major Subject: Forestry A SOIL-SITE INVESTIGATION OF SLASH PINE (PINUS ELLIOTTII ENGEIM. ) PLANTATIONS IN TBE FLATWOODS SECTION OF SOUTHEAST TEXAS A Thesis by ROBERT JAMES FEWIN Approved...
Fewin, Robert James
ESF Consortium for Ocean Drilling White Paper
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Purkis, Sam
ENERGY WHITE PAPER Our energy future -
ENERGY WHITE PAPER Our energy future - creating a low carbon economy and consumers. And we stand up for fair and open markets in the UK, Europe and the world. #12;Our energy future ENERGY WHITE PAPER Our energy future - creating a low carbon economy 1 Foreword
White Dwarf Spectra and Atmosphere Models
We describe the spectral classification of white dwarfs and some of the physical processes important for their understanding. In the major part of this paper we discuss the input physics and computational methods for one of the most widely used stellar atmosphere codes for white dwarfs.
Detlev Koester
White holes and eternal black holes
We investigate isolated white holes surrounded by vacuum, which correspond to the time reversal of eternal black holes that do not evaporate. We show that isolated white holes produce quasi- thermal Hawking radiation. The time reversal of this radiation, incident on a black hole precursor, constitutes a special preparation that will cause the black hole to become eternal.
Stephen D. H. Hsu
A Spitzer White Dwarf Infrared Survey
We present mid-infrared photometry of 124 white dwarf stars with Spitzer Space Telescope. Objects were observed simultaneously at 4.5 and 8.0um with sensitivities better than 1 mJy. This data can be used to test models of white dwarf atmospheres in a new wavelength regime, as well as to search for planetary companions and debris disks.
F. Mullally; Mukremin Kilic; William T. Reach; Marc J. Kuchner; Ted von Hippel; Adam Burrows; D. E. Winget
Dyson Spheres around White Dwarfs
A Dyson Sphere is a hypothetical structure that an advanced civilization might build around a star to intercept all of the star's light for its energy needs. One usually thinks of it as a spherical shell about one astronomical unit (AU) in radius, and surrounding a more or less Sun-like star; and might be detectable as an infrared point source. We point out that Dyson Spheres could also be built around white dwarfs. This type would avoid the need for artificial gravity technology, in contrast to the AU-scale Dyson Spheres. In fact, we show that parameters can be found to build Dyson Spheres suitable --temperature- and gravity-wise-- for human habitation. This type would be much harder to detect.
Semiz, ?brahim
Object technology: A white paper
Object-Oriented Technology (OOT), although not a new paradigm, has recently been prominently featured in the trade press and even general business publications. Indeed, the promises of object technology are alluring: the ability to handle complex design and engineering information through the full manufacturing production life cycle or to manipulate multimedia information, and the ability to improve programmer productivity in creating and maintaining high quality software. Groups at a number of the DOE facilities have been exploring the use of object technology for engineering, business, and other applications. In this white paper, the technology is explored thoroughly and compared with previous means of developing software and storing databases of information. Several specific projects within the DOE Complex are described, and the state of the commercial marketplace is indicated.
Jordan, S.R.; Arrowood, L.F.; Cain, W.D.; Stephens, W.M.; Vickers, B.D.
Death by Dynamics: Planetoid-Induced Explosions on White Dwarfs
At intervals as short as ten thousand years, each white dwarf (WD) passes within a solar radius of a planetoid, i.e., a comet, asteroid, or planet. Gravitational tidal forces tear the planetoid apart; its metal-rich debris falls onto the WD, enriching the atmosphere. A third of WDs exhibit atmospheric "pollution". For roughly every hundred planetoid disruptions, a planetoid collides with a WD. We simulate a small number of collisions, in which "death-by-dynamics" refers to the fate of the planetoid. We also compute the energies and likely durations of a broad sample of collision events, and identify detection strategies at optical and X-ray wavelengths. Collisions with the most massive planetoids can be detected in external galaxies. Some may trigger nuclear burning. If one in $\\sim 10^7-10^8$ of WD-planetoid collisions creates the conditions needed for a Type Ia supernova (SN~Ia), "death-by-dynamics" would also refer to the fate of the WD, and could provide a novel channel for the production of SN~Ia. We con...
Di Stefano, Rosanne; Guillochon, James; Steiner, James F
Introduction: White-Collar and Corporate Crime in Asia
International Handbook of White-Collar and Corporate Crime.Japanese social structure and white collar crime: recruitG. (2007). Black Mist and White Collars: Economic Crime in
Pontell, Henry N.; Geis, Gilbert
White matter integrity, substance use, and risk taking in adolescence
F. M. , Celano, M. J. , White, S. L. , Wallace, G. L. , Lee,inhibition is associated with white matter microstructure inTapert, S.F. (2009). White matter integrity in adolescents
Jacobus, Joanna
White sponge nevus in a patient with EEC syndrome
PubMed ] 21. Jornet PL. White sponge nevus: presentation ofknowledge, no other case of white sponge nevus in a patientstudies on the etiology of the white sponge nevus might look
Dalben, Gisele Silva; Cursino, Helize A; Barbosa, Bruno A; Costa, Beatriz; Consolaro, Alberto
The Fractionation of Loblolly Pine Woodchips Into Pulp For Making Paper Products
The overall goal of the project was to test the PureVision biomass fractionation technology for making pulp from loblolly pine. A specific goal was to produce a pulp product that is comparable to pulp produced from the kraft process, while reducing the environmental effects of the kraft process, known to be a highly pollutant process. The overall goal of the project was met by using the biomass fractionation concept for making pulp product. This proof-of-concept study, done with Southern pine pinchips as feedstock, evaluated NaOH concentration and residence time as variables in single-stage cocurrent pulping process. It can be concluded that 1% NaOH is adequate for effective delignification using the PureVision process; this is about ? of that used in the kraft process. Also, the PureVision process does not use sulfur-based chemicals such as N2S and hence, is environmentally more benign.
Kiran Kadam, PhD
Water, earth, and fire: Land use and environmental planning in the New Jersey Pine Barrens
Each major chapter in this land-use planning case study begins with an introductory overview of the historical and ecological context of land-use patterns and the resources on which people depend. Juxtaposed with these scientific analyses is a series of profiles of area residents and their view of the Pine Barrens. The concluding chapters present recommendations designed to help develop a regional plan for the area.
Berger, J.; Sinton, J.W.
Survival of selected pine seed sources with different seedling treatments on droughty sites in East Texas
zantle af the mycorrhizal association creates a zmchanical or physical barrier to certain root pathogens (Marx 1971). Moreover mycorrhizal fungi any also help by directly reducing certain soil pathogens causing damping off and root rot (Tinus and Mc... (Thames 1963). This is because the rows of stcmata are f~ apart (van Buijtenen et al. 1975). The ~ of stcmata per needle and per square millimeter of surface area are significantly less on ~ngs fran the Lest pines than on seedlings frcm wetter sites 29...
Echols, Ralph James
The influence of Pisolithus tinctorius (Pers.) coker and couch on the propagation of slash pine cuttings
in the dormant stage of development, and in general, they were hard and lignified. Upon removal from the ortets, cuttings were stored upright in plastic bags in an ice-filled ice chest. Approximately 6 hours after the last cutting was removed, the first...THE INFLUENCE OF PISOLITHUS TINCTORIUS (PERS. ) COKER AND COUCH ON THE PROPAGATION OF SLASH PINE CUTTINGS A Thesis by ALAN BRADLEY HUNTER Submitted to the Graduate College of Texas MM University in Partial fulfillment of the requirement...
Hunter, Alan Bradley
Forecasting the monthly volume of orders for southern pine lumber - an econometric model
the orders estimates should be minimal, and the benefits of forecasting should exceed the costs. Included in this matter of convenience is the mathematical simplicity of the computations and their evaluation. With these essential characteristics in mind... FORECASTING THE MONTHLY VOLUME OF ORDERS FOR SOUTHERN PINE LUMBER - AH ECONOMETRIC MODEL A Thesis by BEN DOUGLAS JACKSON Submitted to the Graduate College of Texas ASM University in Partial fulfillment of the requirement for the degree...
Jackson, Ben Douglas
Forest response to CO{sub 2} enrichment: Physiology and ecology of loblolly pine
This report covers the results of a long-term project with the primary objective of developing and testing hypotheses on the environmental and physiological controls of loblolly pine response to atmospheric CO{sub 2} enrichment. Earlier research under DOE funding had provided information from loblolly pine and other plant species which allowed the development of specific hypotheses. Phase 1 of this research was a two year pot study of loblolly seedlings to determine the interaction of CO{sub 2} enrichment with soil nutrition. Phase 2 began with the enrichment of loblolly seedlings being grown in the ground, rather than pots, and continued through December 1995. Phase 3 began in April 1994 with the enrichment of undisturbed Piedmont North Carolina old field undergoing succession, including herbaceous annual plants, perennial grasses, and loblolly pine tree seedlings. Phase 3 was designed to gather preliminary information on a regenerating loblolly forest to be used for the development of hypotheses and measurement techniques for a long-term Free Air CO{sub 2} Enrichment (FACE) study of regenerating forest in Duke Forest.
Strain, B.R.; Thomas, R.B.
Kudzu (Pueraria montana) community responses to herbicides, burning, and high-density loblolly pine
Kudzu is an aggressive, nonnative vine that currently dominates an estimated 810,000 ha of mesic forest communities in the eastern United States. To test an integrated method of weed control, abundances of kudzu and other plant species were compared during 4 yr after six herbicide treatments (clopyralid, triclopyr, metsulfuron, picloram 1 2,4-D, tebuthiuron, and a nonsprayed check), in which loblolly pines were planted at three densities (0, 1, and 4 seedlings m22) to induce competition and potentially delay kudzu recovery. This split-plot design was replicated on each of the four kudzu-dominated sites near Aiken, SC. Relative light intensity (RLI) and soil water content (SWC) were measured periodically to identify mechanisms of interference among plant species. Two years after treatment (1999), crown coverage of kudzu averaged , 2% in herbicide plots compared with 93% in the nonsprayed check, and these differences were maintained through 2001, except in clopyralid plots where kudzu cover increased to 15%. In 2001, pine interference was associated with 33, 56, and 67% reductions in biomass of kudzu, blackberry, and herbaceous vegetation, respectively. RLI in kudzu-dominated plots (4 to 15% of full sun) generally was less than half that of herbicide-treated plots. SWC was greatest in tebuthiuron plots, where total vegetation cover averaged 26% compared with 77 to 111% in other plots. None of the treatments eradicated kudzu, but combinations of herbicides and induced pine competition delayed its recovery.
T.B. Harrington; L.T. Rader-Dixon; J.W. Taylor, Jr.
The initial phase of a Longleaf Pine-Wiregrass Savanna restoration: species establishment and community responses.
AbstractAbstract The significant loss of the longleaf pine-wiregrass ecosystem in the southeastern United States has serious implications for biodiversity and ecosystem functioning. In response to this loss, we have initiated a long-term and landscape-scale restoration experiment at the 80,125 ha (310 mi2) Department of Energy Savannah River Site (SRS) located near Aiken, South Carolina. Aristida beyrichiana (wiregrass), an important and dominant grass (i.e., a �matrix� species) of the longleaf pine savanna understory, and 31 other herbaceous �non-matrix� species were planted at six locations throughout SRS in 2002 and 2003. Of the 36,056 transplanted seedlings, 75% were still alive in June 2004, while mean 1�2 year survival across all planted species was 48%. Lespedeza hirta (hairy lespedeza) exhibited the greatest overall survival per 3 �3 m cell at 95%, whereas Schizachyrium spp. (little bluestem) exhibited the greatest mean cover among individual species at 5.9%. Wiregrass survival and cover were significantly reduced when planted with non-matrix species. Aggregate cover of all planted species in restored cells averaged 25.9% in 2006. High rates of survival and growth of the planted species resulted in greater species richness (SR), diversity, and vegetative cover in restored cells. Results suggest that the loss of the longleaf pine-wiregrass ecosystem may be ameliorated through restoration efforts and illustrate the positive impact of restoration plantings on biodiversity and vegetative cover.
Aschenbach, Todd, A; Foster, Bryan, L.; Imm, Donald, W.
Pinon Pine Power Project. Annual report, January 1--December 31, 1996
This annual report has been prepared to present the status of the Pinon Pine Power Project, a nominal 107 MWe (gross) coal-fired integrated gasification combined-cycle (IGCC) power plant addition to Sierra Pacific Power Company`s (SPPCo) system. This project will also serve as a demonstration project cost-shared by the US Department of Energy (DOE) and SPPCo under DOE`s Clean Coal Technology (CCT) Program. The goal of the CCT Program is to demonstrate advanced coal utilization technologies that are energy efficient, reliable and able to achieve substantial reductions in emissions as compared with existing coal technologies. The Pinon Pine Power Project will demonstrate an IGCC system utilizing the Kellogg-Rust-Westinghouse (KRW) fluidized-bed gasification process operating in an air-blown mode with in-bed desulfurization and hot gas clean-up with a western bituminous coal as the design fuel. Testing will also be performed on a high-sulfur eastern coal. The Pinon Pine Power Project will be constructed and operated at SPPCo`s Tracy Power Station, an existing power generation facility located on a rural 724-acre plot approximately 17 miles east of Reno, NV. This new unit is designated as Tracy Unit No. 4.
Irrigation and fertilization effects on Nantucket Pine Tip Moth (Lepidoptera: Tortricidae) Damage levels and pupal weight in an intensively-managed pine plantation.
The widespread application of intensive forest management practices throughout the southeastern U.S. has increased loblolly pine, Pinus taeda L., yields and shortened conventional rotation lengths. Fluctuations in Nantucket pine tip moth, Rhyacionia frustrana (Comstock), population density and subsequent damage levels have been linked to variations in management intensity. We examined the effects of two practices, irrigation and fertilization, on R. frustrana damage levels and pupal weights in an intensively-managed P. taeda plantation in South Carolina. Trees received intensive weed control and one of the following treatments; irrigation only. fertilization only, irrigation + fertilization, or control. Mean whole-tree tip moth damage levels ranged from <1 to 48% during this study. Damage levels differed significantly among treatments in two tip moth generations in 2001, but not 2000. Pupal weight was significantly heavier in fertilization compared to the irrigation treatment in 2000, but no significant differences were observed in 2001. Tree diameter. height. and aboveground volume were significantly greater in the irrigation + fertilization than in the irrigation treatment after two growing seasons. Our data suggest that intensive management practices that include irrigation and fertilization do not consistently increase R. frustrana damage levels and pupal weights as is commonly believed. However, tip moth suppression efforts in areas adjacent to our study may have partially reduced the potential impacts of R. frustrana on this experiment.
Coyle, David, R.; Nowak, John, T.; Fettig, Christopher, J.
White House Office of Science and Technology Policy Summer 2014...
White House Office of Science and Technology Policy Summer 2014 Internship Program Application Period White House Office of Science and Technology Policy Summer 2014 Internship...
White House Honors Federal Agencies for Saving Taxpayers $133...
Office of Environmental Management (EM)
White House Honors Federal Agencies for Saving Taxpayers 133 Million in Energy Costs by Increasing Efficiency Measures White House Honors Federal Agencies for Saving Taxpayers...
HASKELL & WHITE CORPORATEREPORTING & GOVERNANCE CONFERENCE SERIES Blending Theory with Practice
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de Lijser, Peter
Two Tribes Recognized as Climate Action Champions During White...
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NNSA Hosts Cybersecurity Consortium Members Following White House...
National Nuclear Security Administration (NNSA)
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White House Science Fair Recap | Department of Energy
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Tribal Leaders Provide White House with Input on Bolstering Climate...
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Modeling-Computer Simulations At White Mountains Area (Goff ...
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21st Century Truck Partnership - Roadmap and Technical White...
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Countries Commit to White Roofs, Potentially Offsetting the Emissions...
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White House Leadership Summit on Women, Climate and Energy |...
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White House Spotlights Solar Innovation as Summit Registration...
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accreting white dwarf: Topics by E-print Network
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The effect of ice crystal surface roughness on the retrieval of ice cloud microphysical and optical properties
The effect of the surface roughness of ice crystals is not routinely accounted for in current cloud retrieval algorithms that are based on pre-computed lookup libraries. In this study, we investigate the effect of ice crystal surface roughness...
Xie, Yu
Imaging planets around nearby white dwarfs
We suggest that Jovian planets will survive the late stages of stellar evolution, and that white dwarfs will retain planetary systems in wide orbits (>5AU). Utilising evolutionary models for Jovian planets, we show that infra-red imaging with 8m class telescopes of suitable nearby white dwarfs should allow us to resolve and detect companions >3Mjup. Detection of massive planetary companions to nearby white dwarfs would prove that such objects can survive the final stages of stellar evolution, place constraints on the frequency of main sequence stars with planetary systems dynamically similar to our own and allow direct spectroscopic investigation of their composition and structure.
M. R. Burleigh; F. J. Clarke; S. T. Hodgkin
The Blue Box White Paper
This white paper is an explanation of Ben and Dave's TARDIS time machine, written for laypeople who are interested in time travel, but have no technical knowledge of Einstein's Theory of General Relativity. The first part of this paper is an introduction to the pertinent ideas from Einstein's theory of curved spacetime, followed by a review of other popular time machine spacetimes. We begin with an introduction to curvature and lightcones. We then explain the Alcubierre Warp Drive, the Morris-Thorne wormhole, and the Tipler cylinder. We then describe the Traversable Achronal Retrograde Domain in Spacetime (TARDIS), and explain some of its general properties. Our TARDIS is a bubble of spacetime curvature which travels along a closed loop in space and time. A person travelling within the bubble will feel a constant acceleration. A person outside of the TARDIS will see two bubbles: one which is evolving forwards in time, and one which is evolving backwards in time. We then discuss the physical limitations which ...
Tippett, Benjamin K
This white paper is an explanation of Ben and Dave's TARDIS time machine, written for laypeople who are interested in time travel, but have no technical knowledge of Einstein's Theory of General Relativity. The first part of this paper is an introduction to the pertinent ideas from Einstein's theory of curved spacetime, followed by a review of other popular time machine spacetimes. We begin with an introduction to curvature and lightcones. We then explain the Alcubierre Warp Drive, the Morris-Thorne wormhole, and the Tipler cylinder. We then describe the Traversable Achronal Retrograde Domain in Spacetime (TARDIS), and explain some of its general properties. Our TARDIS is a bubble of spacetime curvature which travels along a closed loop in space and time. A person travelling within the bubble will feel a constant acceleration. A person outside of the TARDIS will see two bubbles: one which is evolving forwards in time, and one which is evolving backwards in time. We then discuss the physical limitations which may prevent us from ever constructing a TARDIS. Finally, we discuss the method through which a TARDIS can be used to travel between arbitrary points in space and time, and the possible dangers involved with exiting a TARDIS from the wrong side. Before we begin, would you like a Jelly Baby?
Benjamin K Tippett; David Tsang
Sound characteristics of a pipe with dynamically rough A. Romanova, K. V. Horoshenkov and S. J. Tait
Sound characteristics of a pipe with dynamically rough boundary A. Romanova, K. V. Horoshenkov the acoustic field in the pipe above a dynamically rough water surface can provide a better understanding interacting with pipe wall roughness. This work presents results from a novel experimental setup, which allows
Reduction of vortex induced forces and motion through surface roughness control
Roughness is added to the surface of a bluff body in a relative motion with respect to a fluid. The amount, size, and distribution of roughness on the body surface is controlled passively or actively to modify the flow around the body and subsequently the Vortex Induced Forces and Motion (VIFM). The added roughness, when designed and implemented appropriately, affects in a predetermined way the boundary layer, the separation of the boundary layer, the level of turbulence, the wake, the drag and lift forces, and consequently the Vortex Induced Motion (VIM), and the fluid-structure interaction. The goal of surface roughness control is to decrease/suppress Vortex Induced Forces and Motion. Suppression is required when fluid-structure interaction becomes destructive as in VIM of flexible cylinders or rigid cylinders on elastic support, such as underwater pipelines, marine risers, tubes in heat exchangers, nuclear fuel rods, cooling towers, SPAR offshore platforms.
Bernitsas, Michael M; Raghavan, Kamaldev
Thermoelectric characteristic of the rough InN/GaN core-shell nanowires
An analysis to model the thermoelectric (TE) effects of the rough InN/GaN core-shell nanowires (NWs) with wire diameter ranging from 25?nm to 100?nm is proposed. The elastic continuum model is employed to calculate the phonon dispersion relation curves and the related phonon group velocity. Within the framework of Boltzmann transport equations and relaxation time approximation, the electrical conductivity, Seebeck coefficient, electronic thermal conductivity, and the lattice thermal conductivity is obtained. Simulation results indicate that TE properties of the rough InN/GaN core-shell NWs are strongly affected by the surface roughness and the diameter of NWs. The optimized condition of the proposed rough InN/GaN core-shell TE NWs is studied in this paper and the highest ZT obtained in the calculation is 0.8598 at 300?K and 1.713 at 1000?K.
Wu, Chao-Wei; Wu, Yuh-Renn, E-mail: firstname.lastname@example.com [Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan (China)
On Sea Surface Roughness Parameterization and Its Effect on Tropical Cyclone Structure and Intensity
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Wang, Yuqing
Enhancement of vortex induced forces and motion through surface roughness control
Roughness is added to the surface of a bluff body in a relative motion with respect to a fluid. The amount, size, and distribution of roughness on the body surface is controlled passively or actively to modify the flow around the body and subsequently the Vortex Induced Forces and Motion (VIFM). The added roughness, when designed and implemented appropriately, affects in a predetermined way the boundary layer, the separation of the boundary layer, the level of turbulence, the wake, the drag and lift forces, and consequently the Vortex Induced Motion (VIM), and the fluid-structure interaction. The goal of surface roughness control is to increase Vortex Induced Forces and Motion. Enhancement is needed in such applications as harnessing of clean and renewable energy from ocean/river currents using the ocean energy converter VIVACE (Vortex Induced Vibration for Aquatic Clean Energy).
Bernitsas, Michael M. (Saline, MI); Raghavan, Kamaldev (Houston, TX)
Ethnic identification among blacks and whites
Two central questions drive this research: (1) Are there trends in ethnic identification among blacks and whites; and (2) Are there meaningful differences between groups that identify differently? I use descriptive and regression analysis...
Glass, Teresa Gail
Sandia National Laboratories: warm white LED
warm white LED Sandia Develops a Synthesis of Quantum Dots that Increases the Quantum Yield to 95.5% On May 23, 2013, in Energy, Energy Efficiency, Materials Science, News, News &...
Strategic Facility Management: A White Paper
This white paper provides information on the SFP process, its requirements and benefits, and gives a facility manager the basic tools to launch and successfully complete a SFP for the supported organization.
2013 White House Tribal Nations Conference
On Wednesday, November 13, President Obama will host the White House Tribal Nations Conference at the Department of the Interior. The conference will provide leaders from the 566 federally...
Cortical white matter: beyond the pale
The tracts within the subcortical white matter and corpus callosum provide an anatomical connectivity that is essential for normal cognitive functioning. These structures are predominantly made up of axons that are myelinated ...
Rockland, Kathleen
Merging White Dwarfs and Thermonuclear Supernovae
Thermonuclear supernovae result when interaction with a companion reignites nuclear fusion in a carbon-oxygen white dwarf, causing a thermonuclear runaway, a catastrophic gain in pressure, and the disintegration of the whole white dwarf. It is usually thought that fusion is reignited in near-pycnonuclear conditions when the white dwarf approaches the Chandrasekhar mass. I briefly describe two long-standing problems faced by this scenario, and our suggestion that these supernovae instead result from mergers of carbon-oxygen white dwarfs, including those that produce sub-Chandrasekhar mass remnants. I then turn to possible observational tests, in particular those that test the absence or presence of electron captures during the burning.
van Kerkwijk, Marten H
White Paper Using Social Media to Improve
White Paper Using Social Media to Improve Organizational Communication & Efficiency Amy M. Young can enhance workforce collaboration, increase organizational efficiency, and reduce expenses changing organizational communication, collaboration, and efficiency. We also discuss the key
Michigan, University of
NGNP High Temperature Materials White Paper
This white paper is one in a series of white papers that address key generic issues of the combined construction and operating license (COL) pre-application program key generic issues for the Next Generation Nuclear Plant reactor using the prismatic block fuel technology. The purpose of the pre-application program interactions with the NRC staff is to reduce the time required for COL application review by identifying and addressing key regulatory issues and, if possible, obtaining agreements for their resolution
Lew Lommers; George Honma
Mutiny at the white-hole district
The white-hole sector of Kruskal's solution is almost never used in physical applications. However, it might contain the solution to many of the problems associated with gravitational collapse and evaporation. This essay tries to draw attention to some bouncing geometries that make a democratic use of the black- and white-hole sectors. We will argue that these types of behaviour could be perfectly natural in some approaches to the next physical level beyond classical general relativity.
Carlos Barcel�; Ra�l Carballo-Rubio; Luis J. Garay
2014 White House Tribal Nations Conference
President Obama will host the 2014 White House Tribal Nations Conference at the Capital Hilton in Washington, DC. The conference will provide leaders from the 566 federally recognized tribes the opportunity to interact directly with the President and members of the White House Council on Native American Affairs. Each federally recognized tribe will be invited to send one representative to the conference. Additional details about the conference will be released at a later date.
White Space Ecosystem: A Secondary Network Operator's Perspective
1 White Space Ecosystem: A Secondary Network Operator's Perspective Yuan Luo, Lin Gao, and Jianwei Huang Abstract--The successful deployment of a TV white space network requires the coordination-users), which form the White Space Ecosystem. In this paper, we study the white space ecosystem from
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R. White, Comsol Acoustics Introduction, 2/25/08
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Call No. Title Author Location Gilbert White Collection
-White TD927.A2 197 Abastecimientos de agua potable a comunidades rurales IWR-White HC800.A54 19 Accelerated States. January 1937 United States. Hist-White TD745.I33 197 Advanced treatment and reuse of municipal wastewater : dan region pilot plant, summer operation. Idelovitch, Emanuel. IWR-White TA593.C64 19 Aerial
US Army Corps of Engineers
Early selection of loblolly pine based on genotype x fertilization interaction of seedlings
Cu Zn Mo Cl Na 50. 03 149. 64 50. 03 83. 81 49. 99 19. 92 11. 03 0. 25 0. 02 0. 10 0. 01 0. 10 133. 86 111. 71 TABLE 3. Reduction of electrical conductfvity of leachate during seven days prior to initiation of treatments... Ten open-pollinated loblolly pine families which were utilized in earlier studies (Wax1er 1980, van Buij tenen 1981) were also selected for use in this study. Five of these families (54PT6, 53PT7, S6PT3, 15-39, S4PTB) have demonstrated greater than...
Miller, Dorothy Elaine
Saltstone Disposal Facility Closure Cap Configuration and Degradation Base Case: Institutional Control to Pine Forest Scenario
The Performance Assessment (PA) for the Saltstone Disposal Facility (SDF) is currently under revision. As part of the PA revision and as documented herein, the closure cap configuration has been reevaluated and closure cap degradation mechanisms and their impact upon infiltration through the closure cap have been evaluated for the institutional control to pine forest, land use scenario. This land use scenario is considered the base case land use scenario. This scenario assumes a 100-year institutional control period following final SDF closure during which the closure cap is maintained. At the end of institutional control, it is assumed that a pine forest succeeds the cap's original bamboo cover. Infiltration through the upper hydraulic barrier layer of the closure cap as determined by this evaluation will be utilized as the infiltration input to subsequent PORFLOW vadose zone contaminant transport modeling, which will also be performed as part of the PA revision. The impacts of pine forest succession, erosion, and colloidal clay migration as degradation mechanisms on the hydraulic properties of the closure cap layers over time have been estimated and the resulting infiltration through the closure cap has been evaluated. The primary changes caused by the degradation mechanisms that result in increased infiltration are the formation of holes in the upper GCL by pine forest succession and the reduction in the saturated hydraulic conductivity of the drainage layers due to colloidal clay migration into the layers. Erosion can also result in significant increases in infiltration if it causes the removal of soil layers, which provide water storage for the promotion of evapotranspiration. For this scenario, infiltration through the upper GCL was estimated at approximately 0.29 inches/year under initial intact conditions, it increased to approximately 11.6 inches/year at year 1000 in nearly a linear fashion, and it approached an asymptote of around 14.1 inches/year at year 1800 and thereafter. At year 1800, it was estimated that holes covered approximately 0.3 percent of the GCL due to root penetration, and that this resulted in an infiltration near that of typical background infiltration (i.e. as though the GCL were not there at all). This demonstrated that a very small area of holes essentially controlled the hydraulic performance of the GCL.
Phifer, M.A.
Building America Whole-House Solutions for New Homes: Pine Mountain
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in Review: Top Five EEREDepartmentFebruaryResistance HeatingPower of Zero EnergyBuilders, Pine
Use of Course Woody Debris by Cotton Mouse (Peromyscus gossypinus)in a Southeastern Pine Forest
Course woody debris may be an important resource for many small mammals by providing protection and food sources. The author tracked cotton mice movements via radiotelemetry and powder in managed loblolly pine forests. Most day refuges for mice were associated with debris, including rotting stumps (69%), upturned root boles (14%) and under fallen logs (9%). Stumps used were more larger and more highly decomposed. Night time telemetry indicated that mice movements were more closely associated with the logs. Rooting stumps are an important resource for cotton mice.
T.S. McCay
Phase transformations of nano-sized cubic boron nitride to white graphene and white graphite
We report quantum-mechanical investigations that predict the formation of white graphene and nano-sized white graphite from the first-order phase transformations of nano-sized boron nitride thin-films. The phase transformations from the nano-sized diamond-like structure, when the thickness d?>?1.4?nm, to the energetically more stable nano-sized white graphite involve low activation energies of less than 1.0?eV. On the other hand, the diamond-like structure transforms spontaneously to white graphite when d???1.4?nm. In particular, the two-dimensional structure with single-layer boron nitride, the so-called white graphene, could be formed as a result of such transformation.
Dang, Hongli; Liu, Yingdi; Xue, Wenhua; Anderson, Ryan S.; Sewell, Cody R. [Department of Physics and Engineering Physics, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Xue, Sha; Crunkleton, Daniel W. [Department of Chemical Engineering, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Institute of Alternate Energy, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Shen, Yaogen [Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon (Hong Kong); Wang, Sanwu, E-mail: firstname.lastname@example.com [Department of Physics and Engineering Physics, The University of Tulsa, Tulsa, Oklahoma 74104 (United States); Institute of Alternate Energy, The University of Tulsa, Tulsa, Oklahoma 74104 (United States)
Root biomass and nutrient content of a 25-year-old loblolly pine (Pinus Taeda L.) plantation in East Texas
ROOT BIOMASS AND NUTRIENT CONTENT OF A 25-YEAR-OLD LOBLOLLY PINE (PINUP TAED!l LJ PIJIN ATION IN EAST TEIJIS A Thesis by Charles LaGrone Tuttle Submitted to the Graduate College of Texa s A & M University in partial, fulfillment... of the requirement for the degree of MASTER OF SCIENCE December 1978 iVIajor Subject: Forest S "ience ROOT BIOMASS AND NUTRIENT CONTENT OF A 25-YEAR-OLD LOBLOLLY PINE (PINUS TAEDA L. ) PLANTATION IN EAST TEXAS A Thesis by Charles LaGrone Tuttle Approved...
Tuttle, Charles LaGrone
Response of beneficial and associated insects of the southern pine beetle to beetle-infested trees and to behavioral chemicals
diameter) manually? infested with newly emerged male and female southern pine beetles. The pine bolts were attached at 5 m on the bole of the tree. The bolts were removed at the first sign of beetle attack (boring dust, pitch tubes and/or bark beetles... at 3 and 4 m traps with a low catch of 32 each at the 11 and 12 m traps. In comparison, I. avulsus was most abundant on the upper half of the tree bole. The male:female ratio of I. avulsus on the lower 8 traps was 1. :0. 39, compared to 1:0. 77...
Dixon, Wayne Neal
White flight or flight from poverty?
The phenomenon of White flight is often illustrated by the case of Detroit whose population dropped from 1.80 million to 0.95 million between 1950 and 2000 while at the same time its Black and Hispanic component grew from 30 percent to 85 percent. But is this case really representative? The present paper shows that the phenomenon of White flight is in fact essentially a flight from poverty. As a confirmation, we show that the changes in White or Black populations are highly correlated which means that White flight is always paralleled by Black flight (and Hispanic flight as well). This broader interpretation of White flight accounts not only for the case of northern cities such as Cincinnati, Cleveland or Detroit, but for all population changes at county level, provided the population density is higher than a threshold of about 50 per square-kilometer which corresponds to moderately urbanized areas (as can be found in states like Indiana or Virginia for instance).
Jego, C; Jego, Charles; Roehner, Bertrand M.
Efficient White SSL Component for General Illumination
Cree has developed a new, high-efficiency, low-cost, light emitting diode (LED) module that should be capable of replacing standard, halogen, fluorescent and metal halide lamps based on the total cost of ownership. White LEDs are produced by combining one or more saturated color LEDs with a phosphor or other light down-converting media to achieve white broad-band illumination. This two year project addressed LED chip, package and phosphor efficiency improvements to establish a technology platform suitable for low-cost, high-efficiency commercial luminaires. New phosphor materials with improved quantum efficiency at 'real-life' operating conditions were developed along with new package technology to improve the efficiency of warm white LED modules compared to the baseline technology. Specifically, Cree has successfully demonstrated warm white LED modules providing 540 lumens at a correlated color temperature (CCT) of 3000 K. The LED module had an efficacy of 102.8 lumens per watt (LPW) using 1 mm2 chips biased at 350 mA - a 27% improvement over the technology at project start (81 LPW at 3000K). The white modules also delivered an efficacy of 88 LPW at elevated junction temperatures of 125 C. In addition, a proof-of-concept 4-inch downlight luminaire produced a flux of 1183 lumens at a CCT of 2827 K and a color rendering index (CRI) of 80 using this project's phosphor developments.
Sean Evans
The impact assessment of eccentric installation and roughness change in piping on the orifice flow measurement
In orifice flowmeters used in nuclear power plants, requirements for the inner surface roughness of upstream piping and eccentric installation exist depending on certain standards. If these cannot be satisfied based on the installation condition, an appropriate error margin must be considered, although this remains to be clarified. In this research, quantitative data concerning the relative error of orifice flowmeters were obtained during experiments with the parameters of the inner surface roughness of upstream piping and the installation eccentricity of the orifice hole. The maximum Reynolds number of the experimental facility is about 1.6x10{sup 6}. In orifice flowmeters, the flow rate is calculated based on the differential pressure between upstream and downstream orifices and the peculiar discharge coefficient C. The latter value shows an upward trend with increasing roughness of piping, while change of 0.3% of C was observed in terms of roughness (case 2), which approaches the limits of the JIS standard. With significant roughness (Case 3) that exceeds five times the JIS standard, C is shown to have increased by about 1%. No influence was observed by varying the direction of eccentric installation, hence this was fixed and the amount of eccentricity was considered. Change in C of about 0.25% was observed when around twice the standard level of eccentricity was applied. The error margin data under conditions exceeding the JIS standard for the orifice flowmeter was obtained. (authors)
Nishi, Y.; Eguchi, Y.; Nishihara, T.; Kanai, T.; Kondo, M. [Central Research Inst. of Electric Power Industry CRIEPI, 2-11-1 Iwado Kita, Komae-shi, Tokyo 201-8511 (Japan)
Validity of the thin mask approximation in extreme ultraviolet mask roughness simulations
In the case of extreme ultraviolet (EUV) lithography, modeling has shown that reflector phase roughness on the lithographic mask is a significant concern due to the image plan speckle it causes and the resulting line-edge roughness on imaged features. Modeling results have recently been used to determine the requirements for future production worthy masks yielding the extremely stringent specification of 50 pm rms roughness. Owing to the scale of the problem in terms of memory requirements, past modeling results have all been based on the thin mask approximation. EUV masks, however, are inherently three dimensional in nature and thus the question arises as to the validity of the thin mask approximation. Here we directly compare image plane speckle calculation results using the fast two dimensional thin mask model to rigorous finite-difference time-domain results and find the two methods to be comparable.
Naulleau, Patrick; George, Simi
The friction factor of two-dimensional rough-boundary turbulent soap film flows
We use momentum transfer arguments to predict the friction factor $f$ in two-dimensional turbulent soap-film flows with rough boundaries (an analogue of three-dimensional pipe flow) as a function of Reynolds number Re and roughness $r$, considering separately the inverse energy cascade and the forward enstrophy cascade. At intermediate Re, we predict a Blasius-like friction factor scaling of $f\\propto\\textrm{Re}^{-1/2}$ in flows dominated by the enstrophy cascade, distinct from the energy cascade scaling of $\\textrm{Re}^{-1/4}$. For large Re, $f \\sim r$ in the enstrophy-dominated case. We use conformal map techniques to perform direct numerical simulations that are in satisfactory agreement with theory, and exhibit data collapse scaling of roughness-induced criticality, previously shown to arise in the 3D pipe data of Nikuradse.
Nicholas Guttenberg; Nigel Goldenfeld
Snag characteristics and dynamics following natural and artificially induced mortality in a managed loblolly pine forest.
A 14-year study of snag characteristics was established in 41- to 44-year old loblolly pine (Pinus taeda L.) stands in southeastern USA. During the initial 5.5 years, no stand manipulation or unusually high-mortality events occurred. Afterwards, three treatments were applied consisting of trees thinned and removed, trees felled and not removed, and artificial creation of snags produced by girdling and herbicide injection. The thinned treatments were designed to maintain the same live canopy density as the snag-created treatment, disregarding snags that remained standing.We monitored snag height, diameter, density, volume, and bark percentage; the number of cavities was monitored in natural snags only. During the first 5.5 years, recruitment and loss rates were stable, resulting in a stable snag population. Large snags (?25 cm diameter) were common, but subcanopy small snags (10 to <25 cm diameter) dominated numerically. Large natural snags survived (90% quantile) significantly longer (6.0�9.4 years) than smaller snags (4.4�6.9 years). Large artificial snags persisted the longest (11.8 years). Cavities in natural snags developed within 3 years following tree death. The mean number of cavities per snag was five times greater in large versus small snags and large snags were more likely to have multiple cavities, emphasizing the importance of mature pine stands for cavity-dependent wildlife species.
Zarnoch, Stanley J. [USDA Forest Service; Vukovich, Mark A. [USDA Forest Service; Kilgo, John C. [USDA Forest Service; Blake, John I. [USDA Forest Service
KdV Preserves White Noise
It is shown that white noise is an invariant measure for the Korteweg-deVries equation on $\\mathbb T$. This is a consequence of recent results of Kappeler and Topalov establishing the well-posedness of the equation on appropriate negative Sobolev spaces, together with a result of Cambronero and McKean that white noise is the image under the Miura transform (Ricatti map) of the (weighted) Gibbs measure for the modified KdV equation, proven to be invariant for that equation by Bourgain.
Jeremy Quastel; Benedek Valko
THE WHITE HOUSE | Department of Energy
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergyENERGYWomen Owned Small BusinessEMPLOYMENT VERIFICATION1 - In theTHE WHITE HOUSE THE WHITE
Understanding white dwarf binary evolution with white dwarf/main sequence binaries: first results from SEGUE
Close white dwarf binaries make up a wide variety of objects such as double white dwarf binaries, which are possible SN Ia progenitors, cataclysmic variables, super soft sources, or AM CVn stars. The evolution and formation of close white dwarf binaries crucially depends on the rate at which angular momentum is extracted from the binary orbit. The two most important sources of angular momentum loss are the common envelope phase and magnetic braking. Both processes are so far poorly understood. Observational population studies of white dwarf/main sequence binaries provide the potential to significantly progress with this situation and to clearly constrain magnetic braking and the CE-phase. However, the current population of white dwarf/main sequence binaries is highly incomplete and heavily biased towards young systems containing hot white dwarfs. The SDSSII/SEGUE collaboration awarded us with 5 fibers per plate pair in order to fill this gap and to identify the required unbiased sample of old white dwarf/main sequence binaries. The success rate of our selection criteria exceeds 65% and during the first 10 months we have identified 41 new systems, most of them belonging to the missed old population.
M. R. Schreiber; A. Nebot Gomez-Moran; A. D. Schwope
Exploiting Genetic Variation of Fiber Components and Morphology in Juvenile Loblolly Pine.
In order to ensure the global competitiveness of the Pulp and Paper Industry in the Southeastern U.S., more wood with targeted characteristics have to be produced more efficiently on less land. The objective of the research project is to provide a molecular genetic basis for tree breeding of desirable traits in juvenile loblolly pine, using a multidisciplinary research approach. We developed micro analytical methods for determine the cellulose and lignin content, average fiber length, and coarseness of a single ring in a 12 mm increment core. These methods allow rapid determination of these traits in micro scale. Genetic variation and genotype by environment interaction (GxE) were studied in several juvenile wood traits of loblolly pine (Pinus taeda L.). Over 1000 wood samples of 12 mm increment cores were collected from 14 full-sib families generated by a 6-parent half-diallel mating design (11-year-old) in four progeny tests. Juvenile (ring 3) and transition (ring 8) for each increment core were analyzed for cellulose and lignin content, average fiber length, and coarseness. Transition wood had higher cellulose content, longer fiber and higher coarseness, but lower lignin than juvenile wood. General combining ability variance for the traits in juvenile wood explained 3 to 10% of the total variance, whereas the specific combining ability variance was negligible or zero. There were noticeable full-sib family rank changes between sites for all the traits. This was reflected in very high specific combining ability by site interaction variances, which explained from 5% (fiber length) to 37% (lignin) of the total variance. Weak individual-tree heritabilities were found for cellulose, lignin content and fiber length at the juvenile and transition wood, except for lignin at the transition wood (0.23). Coarseness had moderately high individual-tree heritabilities at both the juvenile (0.39) and transition wood (0.30). Favorable genetic correlations of volume and stem straightness were found with cellulose content, fiber length and coarseness, suggesting that selection on growth or stem straightness would results in favorable response in chemical wood traits. We have developed a series of methods for application of functional genomics to understanding the molecular basis of traits important to tree breeding for improved chemical and physical properties of wood. Two types of technologies were used, microarray analysis of gene expression, and profiling of soluble metabolites from wood forming tissues. We were able to correlate wood property phenotypes with expression of specific genes and with the abundance of specific metabolites using a new database and appropriate statistical tools. These results implicate a series of candidate genes for cellulose content, lignin content, hemicellulose content and specific extractible metabolites. Future work should integrate such studies in mapping populations and genetic maps to make more precise associations of traits with gene locations in order to increase the predictive power of molecular markers, and to distinguish between different candidate genes associated by linkage or by function. This study has found that loblolly pine families differed significantly for cellulose yield, fiber length, fiber coarseness, and less for lignin content. The implication for forest industry is that genetic testing and selection for these traits is possible and practical. With sufficient genetic variation, we could improve cellulose yield, fiber length, fiber coarseness, and reduce lignin content in Loblolly pine. With the continued progress in molecular research, some candidate genes may be used for selecting cellulose content, lignin content, hemicellulose content and specific extractible metabolites. This would accelerate current breeding and testing program significantly, and produce pine plantations with not only high productivity, but desirable wood properties as well.
Hou-min Chang, John F. Kadla, Bailian Li, Ron Sederoff,
Surface roughness of stainless-steel mirrors for focusing soft x rays
We have used polished stainless steel as a mirror substrate to provide focusing of soft x rays in grazing-incidence reflection. The critical issue of the quality of the steel surface,polished and coated with gold, is discussed in detail. A comparison is made to a polished,gold-coated, electroless nickel surface, which provides a smoother finish. We used the surface height distributions, measured with an interferometric microscope and complemented by atomic-force microscope measurements, to compute power spectral densities and then to evaluate the surface roughness. The effects of roughness in reducing the specular reflectivity were verified by soft-x-ray measurements.
Yashchuk, Valeriy V.; Gullikson, Eric M.; Howells, Malcolm R.; Irick, Steve C.; MacDowell, Alastair A.; McKinney, Wayne R.; Salmassi, Farhad; Warwick, Tony; Metz, James P.; Tonnessen, Thomas W
White-matter abnormalities in brain during early abstinence from methamphetamine abuse
nuclear gray matter, and white matter of human subjects whoHC) subjects show larger white-matter volume (Thompson ethigher incidence of white-matter signal hyperintensities (
Tobias, Marc C.; O�Neill, Joseph; Hudkins, Matthew; Bartzokis, George; Dean, Andrew C.; London, Edythe D.
Four magnetic DB white dwarfs discovered by the Hamburg/ESO survey
We report on seven peculiar faint blue stars found in the course of the Hamburg/ESO survey (HES) which appear to be magnetic white dwarfs (WDs) with non-hydrogen spectra. We show in particular that four of them (HE 0338-3853, HE 0107-0158, HE 0026-2150, and HE 0003-5701) have He I lines split by magnetic fields of roughly 20MG, since the \\pi components of He I 5876 Angstroem and He I 4929 Angstroem can be identified unambiguously in their spectra, and the $\\sigma^+$, $\\sigma^-$ components can be identified in the spectra of two of these stars (HE 0338-3853 and HE 0003-5701). Besides GD 229, these are the first magnetic DB white dwarfs discovered so far. In addition, three further WDs with broad, unidentifiable features have been found: HE 1043-0502, HE 0236-2656, and HE 0330-0002. We argue that in all three of these stars H I can not be responsible for the broad features, and He I most probably not for the features in HE 0236-2656 and HE 0330-0002, while it still remains possible that the broad features of HE 1043-0502 are due to He I.
D. Reimers; S. Jordan; V. Beckmann; N. Christlieb; L. Wisotzki
A conceptual model of water yield effects from beetle-induced tree death in snow-dominated lodgepole pine forests
and snow interception, subcanopy wind regimes, soil infiltration, forest energy storage and snow surface of bark beetles (Coleoptera: Scolytidae) has caused widespread mortality across more than 600,000km2 with high rates of lodgepole pine (Pinus contorta) mortality from mountain pin beetle (Dendroctonous
Small, Eric
Above- and below-ground biomass accumulation, production, and distribution of sweetgum and loblolly pine grown with irrigation and fertilization.
Abstract: Increased forest productivity has been obtained by improving resource availability through water and nutrient amendments. However, more stress-tolerant species that have robust site requirements do not respond consistently to irrigation. An important factor contributing to robust site requirements may be the distribution of biomass belowground, yet available information is limited. We examined the accumulation and distribution of above- and below-ground biomass in sweetgum (Liqrridambar sfyrac$lua L.) and loblolly pine (Pinus taeda L.) stands receiving irrigation and fertilization. Mean annual aboveground production after 4 years ranged from 2.4 to 5.1 ~g.ha-'.year' for sweetgum and from 5.0 to 6.9 ~g.ha-l.year-l for pine. Sweetgum responded positively to irrigation and fertilization with an additive response to irrigation + fertilization. Pine only responded to fertilization. Sweetgum root mass fraction (RME)in creased with fertilization at 2 years and decreased with fertilization at 4 years. There were no detectable treatment differences in loblolly pine RMF. Development explained from 67% to 98% of variation in shoot versus root allometry for ephemeral and perennial tissues, fertilization explained no more than 5% of the variation in for either species, and irrigation did not explain any. We conclude that shifts in allocation from roots to shoots do not explain nutrient-induced growth stimulations.
Coyle, David, R.; Coleman, Mark, D.; Aubrey, Doug, P.
Enhanced root exudation induces microbial feedbacks to N cycling in a pine forest under long-term CO2 fumigation
enrichment increases tree seedling biomass (Curtis & Wang 1998), net primary production (NPP) in young forest enhancement of forest ecosystem NPP under elevated CO2 will require either the additional supply of limitingLETTER Enhanced root exudation induces microbial feedbacks to N cycling in a pine forest under long
Phillips, Richard P.
DOUGLAS R. WHITE Societal Research Archives System
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Business-driven security White paper
March 2008 Business-driven security White paper Take a holistic approach to business-driven security. #12;Take a holistic approach to business-driven security. 2 Overview Today's corporate leaders face multiple challenges, including the need to innovate in extremely competitive business climates
Differential white cell count by centrifugal microfluidics.
We present a method for counting white blood cells that is uniquely compatible with centrifugation based microfluidics. Blood is deposited on top of one or more layers of density media within a microfluidic disk. Spinning the disk causes the cell populations within whole blood to settle through the media, reaching an equilibrium based on the density of each cell type. Separation and fluorescence measurement of cell types stained with a DNA dye is demonstrated using this technique. The integrated signal from bands of fluorescent microspheres is shown to be proportional to their initial concentration in suspension. Among the current generation of medical diagnostics are devices based on the principle of centrifuging a CD sized disk functionalized with microfluidics. These portable 'lab on a disk' devices are capable of conducting multiple assays directly from a blood sample, embodied by platforms developed by Gyros, Samsung, and Abaxis. [1,2] However, no centrifugal platform to date includes a differential white blood cell count, which is an important metric complimentary to diagnostic assays. Measuring the differential white blood cell count (the relative fraction of granulocytes, lymphocytes, and monocytes) is a standard medical diagnostic technique useful for identifying sepsis, leukemia, AIDS, radiation exposure, and a host of other conditions that affect the immune system. Several methods exist for measuring the relative white blood cell count including flow cytometry, electrical impedance, and visual identification from a stained drop of blood under a microscope. However, none of these methods is easily incorporated into a centrifugal microfluidic diagnostic platform.
Sommer, Gregory Jon; Tentori, Augusto M.; Schaff, Ulrich Y.
PO Box 2349 White Salmon, WA 98672
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Cool White Dwarfs in the Sloan Digital Sky Survey
A reduced proper motion diagram utilizing Sloan Digital Sky Survey (SDSS) photometry and astrometry and USNO-B plate astrometry is used to separate cool white dwarf candidates from metal-weak, high-velocity main sequence Population II stars (subdwarfs) in the SDSS Data Release 2 imaging area. Follow-up spectroscopy using the Hobby-Eberly Telescope, the MMT, and the McDonald 2.7m Telescope is used to demonstrate that the white dwarf and subdwarf loci separate cleanly in the reduced proper motion diagram, and that the contamination by subdwarfs is small near the cool white dwarf locus. This enables large statistically complete samples of white dwarfs, particularly the poorly understood cool white dwarfs, to be created from the SDSS imaging survey, with important implications for white dwarf luminosity function studies. SDSS photometry for our sample of cool white dwarfs is compared to current white dwarf models.
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Düntsch, Ivo
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. The validation of the method is then discussed by comparison with the finite element software Abaqus and someNumerical simulation of noise generated by multi asperity contact between rough surfaces V.H. Dang at the interface that convert a part of the kinetic energy of the sliding solid into acoustical energy. 1
Rough-Fuzzy C-Medoids Algorithm and Selection of Bio-Basis for Amino Acid
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granular computing Soft computing Pattern recognition Remote sensing a b s t r a c t A new rough-fuzzy model for pattern classification based on granular computing is described in the present article. In this model, we propose the formulation of class-dependent granules in fuzzy environment. Fuzzy membership
Safety First Safety Last Safety Always Roughly one out of every four accidents (25%) involves
Safety First Safety Last Safety Always Roughly one out of every four accidents (25%) involves at an unsafe speed · Failure to check mirrors often Fleet Safety: Backing Accidents Safety Tip #2 Accidents hurt-- safety doesn't. All backing accidents are preventable. The key is to plan ahead to avoid backing
Minnesota, University of
Hydro-thermal flow in a rough fracture EC Contract SES6-CT-2003-502706
Hydro-thermal flow in a rough fracture EC Contract SES6-CT-2003-502706 PARTICIPANT ORGANIZATION NAME: CNRS Synthetic 2nd year report Related with Work Package............ HYDRO-THERMAL FLOW in the influence of a realistic geometry of the fracture on its hydro-thermal response. Several studies have
Schmittbuhl, Jean
FRICTION FACTOR IN HIGH PRESSURE NATURAL GAS PIPELINES FROM ROUGHNESS MEASUREMENTS DETERMINATION DU and Technology, Norway ABSTRACT Pressure drop experiments on natural gas flow at 80 to 120 bar pressure and high of natural gas at typical operating pressures (100-180 bar). At such Reynolds numbers the classical Colebrook
Gudmundsson, Jon Steinar
Geometrical and transport properties of single fractures: influence of the roughness of the fracture
Geometrical and transport properties of single fractures: influence of the roughness of the fracture walls H. Auradou Univ Pierre et Marie Curie-Paris6, Univ Paris-Sud, CNRS, F-91405. Lab FAST, Bat reviews the main features of the transport properties of single fractures. A particular attention paid
Development of a Hybrid Powered 2D Biped Walking Machine Designed for Rough Terrain Locomotion
has built a three legged 2D biped walking machine to be used as a test stand for studying rough terrain walking. The specific aim of this research is to investigate how biped walkers can best maintain walking stability when acted upon by small...
Baker, Bryce C.
Atmospheric Momentum Roughness Applied to Stage-Discharge Relationships in Flood Plains
Weisbach formula is modified to account for vegetative resistance by application of surface roughness lengths appropriate friction factors. Schlicting 1955 reviews the relationship between the Ni- kuradsse's equivalent 1996 developed and calibrated procedures to estimate flow resistance based on the Colebrook
Importance of thermal effects and sea surface roughness for offshore wind resource assessment
sites. The first large offshore wind farms are currently being built in several countries in EuropeImportance of thermal effects and sea surface roughness for offshore wind resource assessment National Laboratory, Roskilde, Denmark Abstract The economic feasibility of offshore wind power utilisation
VancouverParksville White RockNew Westminster
Courtenay VancouverParksville Abbotsford White RockNew Westminster Squamish Chilliwack Port McNeill Powell
The Hull-White Model: Calibration with Irregular Trinomial Trees
The Hull-White Model: Calibration with Irregular Trinomial Trees · The previous calibration of the tree's irregular shape. c 2011 Prof. Yuh-Dauh Lyuu, National Taiwan University Page 1019 #12;The Hull-White the spot rates exactly. c 2011 Prof. Yuh-Dauh Lyuu, National Taiwan University Page 1020 #12;The Hull-White
Lyuu, Yuh-Dauh
Regional White Matter and Neuropsychological Functioning across the Adult Lifespan
Regional White Matter and Neuropsychological Functioning across the Adult Lifespan Adam M. Brickman (MRI) to more fully elucidate the relationship among age, regional white matter, and neuropsychological neuropsychological assessment. MR images were spatially normalized and segmented by tissue type; relative white
Denis White ~ Publications PEER-REVIEWED JOURNAL ARTICLES
Denis White ~ Publications PEER-REVIEWED JOURNAL ARTICLES: (Some PDF files are provided with permission of the American Congress on Surveying and Mapping and Taylor and Francis) Hopton ME, White D. 2012. A simplified ecological footprint at a regional scale. Journal of Environmental Management 111:279-286. White D
Jenny, Bernhard
White Dwarf Properties and the Degenerate Electron Gas
White Dwarf Properties and the Degenerate Electron Gas Nicholas Rowell April 10, 2008 Contents 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Consequences for the Mass of White Dwarfs . . . . . . . . . . . . . . . . . . . . 7 3 1 Introduction White dwarfs are the second most common type of star in the Galaxy, and represent
Tittley, Eric
White marlin (Tetrapturus albidus) and blue marlin (Makaira nigricans)
659 White marlin (Tetrapturus albidus) and blue marlin (Makaira nigricans) are widely distributed assessment indicators indicate that the white marlin population has been severely overfished for several regarding the repro- Movements and spawning of white marlin (Tetrapturus albidus) and blue marlin (Makaira
Age of Neoproterozoic Bilatarian Body and Trace Fossils, White
Age of Neoproterozoic Bilatarian Body and Trace Fossils, White Sea, Russia: Implications-bearing, shallow marine siliciclastic rocks in the Zimnie Gory section of the White Sea region indicates Ranges, South Australia (18); in the Poleta Formation in the White-Inyo Mountains and Upper Wood Canyon
White Salmon Subbasin Plan Prepared for the Northwest Power and
#12;i White Salmon Subbasin Plan 5/28/2004 Prepared for the Northwest Power and Conservation Rawding, Washington Department of Fish and Wildlife Wildlife Heather Simmons-Rigdon, Yakama Nation White Nation, Steve VanderPloeg, WDFW, Lee VanTussenbrook, WDFW, and Joe Zendt, Yakama Nation White Salmon
White Matter Glucose Metabolism during Intracortical Electrostimulation: A Quantitative [18
White Matter Glucose Metabolism during Intracortical Electrostimulation: A Quantitative [18 F compared to 27.87 mol/min/100 g at baseline. LCMR- glu in gray and white matter control areas was stable in white matter, correlations between neural activity and LC- MRglu have never been explicitly addressed
White Papers Submitted to the Technology Innovation Program
White Papers Submitted to the Technology Innovation Program interested parties to submit white papers describing an area of critical national need and how those needs-risk, high-reward R&D. White papers could discuss any area of critical national need of interest
Magee, Joseph W.
#12;White Salmon Subbasin Plan 5/28/2004 Prepared for the Northwest Power and Conservation Council Rawding, Washington Department of Fish and Wildlife Wildlife Heather Simmons-Rigdon, Yakama Nation White Nation, Steve VanderPloeg, WDFW, Lee VanTussenbrook, WDFW, and Joe Zendt, Yakama Nation White Salmon
THE WHITE HOUSE Office of the Press Secretary
THE WHITE HOUSE Office of the Press Secretary FOR IMMEDIATE RELEASE September 30, 2013 President for Scholars Laura Paulson Member, Committee for the Preservation of the White House Quyen D. Chu Member of Minnesota. Laura Paulson, Appointee for Member, Committee for the Preservation of the White House Laura
Wisconsin at Madison, University of
White LED with High Package Extraction Efficiency
The goal of this project is to develop a high efficiency phosphor converting (white) Light Emitting Diode (pcLED) 1-Watt package through an increase in package extraction efficiency. A transparent/translucent monolithic phosphor is proposed to replace the powdered phosphor to reduce the scattering caused by phosphor particles. Additionally, a multi-layer thin film selectively reflecting filter is proposed between blue LED die and phosphor layer to recover inward yellow emission. At the end of the project we expect to recycle approximately 50% of the unrecovered backward light in current package construction, and develop a pcLED device with 80 lm/W{sub e} using our technology improvements and commercially available chip/package source. The success of the project will benefit luminous efficacy of white LEDs by increasing package extraction efficiency. In most phosphor-converting white LEDs, the white color is obtained by combining a blue LED die (or chip) with a powdered phosphor layer. The phosphor partially absorbs the blue light from the LED die and converts it into a broad green-yellow emission. The mixture of the transmitted blue light and green-yellow light emerging gives white light. There are two major drawbacks for current pcLEDs in terms of package extraction efficiency. The first is light scattering caused by phosphor particles. When the blue photons from the chip strike the phosphor particles, some blue light will be scattered by phosphor particles. Converted yellow emission photons are also scattered. A portion of scattered light is in the backward direction toward the die. The amount of this backward light varies and depends in part on the particle size of phosphors. The other drawback is that yellow emission from phosphor powders is isotropic. Although some backward light can be recovered by the reflector in current LED packages, there is still a portion of backward light that will be absorbed inside the package and further converted to heat. Heat generated in the package may cause a deterioration of encapsulant materials, affecting the performance of both the LED die and phosphor, leading to a decrease in the luminous efficacy over lifetime. Recent studies from research groups at Rensselaer Polytechnic Institute found that, under the condition to obtain a white light, about 40% of the light is transmitted outward of the phosphor layer and 60% of the light is reflected inward.1,2 It is claimed that using scattered photon extraction (SPE) technique, luminous efficacy is increased by 60%. In this project, a transparent/translucent monolithic phosphor was used to replace the powdered phosphor layer. In the normal pcLED package, the powdered phosphor is mixed with silicone either to be deposited on the top of LED die forming a chip level conversion (CLC) white LED or to be casted in the package forming a volume conversion white LED. In the monolithic phosphors there are no phosphor powder/silicone interfaces so it can reduce the light scattering caused by phosphor particles. Additionally, a multi-layer thin film selectively reflecting filter is inserted in the white LED package between the blue LED die and phosphor layer. It will selectively transmit the blue light from the LED die and reflect the phosphor's yellow inward emission outward. The two technologies try to recover backward light to the outward direction in the pcLED package thereby improving the package extraction efficiency.
Yi Zheng; Matthew Stough
White Nose, (Post) Bawdy Bodies and the Un/dancing Sexy Jewess
things: Jewish apathy in America (white guilt) is dead and aKaren. How Jews Became White Folks and What That Says AboutMatter of Whiteness. � In White, 1-40. London and New York:
Schwadron, Hannah Sarah
2005 Double white lines on bills of Razorbill 103 DOUBLE WHITE LINES ON THE BILL OF THE
2005 Double white lines on bills of Razorbill 103 DOUBLE WHITE LINES ON THE BILL OF THE RAZORBILL.L., MUZAFFAR S.B. & JONES I.L. Lavers J.L., Muzaffar S.B. & Jones I.L. 2006. Double white lines on the bill Seabirds 7(3): 103-108. One of the diagnostic features of the Razorbill Alca torda is the distinct white
Jones, Ian L.
Shallow gas in Arkoma basin - Pine Hollow and South Ashland fields
The Pine Hollow and South Ashland fields located in Pittsburg and Coal Counties, Oklahoma, established a combined reserve exceeding 200 bcf of gas. The Hartshorne Sandstone of early Desmoinesian (Pennsylvanian) age is the producing zone at a depth of 4000 ft (1200 m). Gas, probably of biogenic origin, migrated into the reservoir shortly after deposition. Subsequent folding and faulting of the Ashland anticline resulted in repositioning of the gas in a downthrown fault trap. The upthrown anticline portion of the Hartshorne is water-bearing. Moderate well costs and high individual reserves have resulted in excellent economics. Competitive bidding on federal leases has resulted in a high bid exceeding $1 million for one tract in the South Ashland field.
Woncik, J.
The influence of phenylacetic acid, ethephon, and cytokinin on the rooting of slash pine cuttings
20 Table 3. Analysis of variance table to determine the effect of phenyl- acetic acid on the rooting of slash pine cuttings. Source df Expected Mean Squares R (Reps) C (Clones) T (Treatments) RxC RxT CxT 21 21 a + SaRC + 32aR 2 2 2 2 2 2... a + SaRC + 32aC. 2 2 2 a + 4aCT + 4aRT + 164T 2 2 RC 2 2 ' '4'RT 2 2 a + 4a(T Error 63 21 squares were calculated us1ng the equation L = (a1NS1 2MS2 + . . . + akNSk) with a. as constants. The degrees of freedom associated with L were 1...
Hankins, Margaret Wendel
The effect of time-since-treatment and other factors on the perceived scenic beauty of southern pine-oak forest plots
This study investigated the effects of silvicultural treatment, season, and time-since-treatment on the perceived scenic beauty of 20 pine-oak plots on the Ouachita National Forest, Arkansas. Treatments consisted of reproduction cuts in which...
Gritter, Molly Kay
Estimation of the aerodynamic roughness length in arid and semi-arid regions over the globe with the ERS scatterometer
Estimation of the aerodynamic roughness length in arid and semi-arid regions over the globe 2005. [1] Estimates of the aerodynamic roughness lengths z0 in arid and semi-arid regions: Prigent, C., I. Tegen, F. Aires, B. Marticorena, and M. Zribi (2005), Estimation of the aerodynamic
Aires, Filipe
486 IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 17, NO. 7, JULY 2007 Estimation of Roughness-Induced Power Absorption
it to predict the roughness effect on power loss. Index Terms--Power absorption, power spectral density (PSD significant additional power loss that can be detrimental for insertion loss limited designs. We recently interconnect surfaces and use it to estimate corresponding roughness-induced power loss. The 2-D PSD
Tsang, Leung
Soft X-ray reflectometry applied to the evaluation of surface roughness variation during the deposition of thin films
1645 Soft X-ray reflectometry applied to the evaluation of surface roughness variation during). The surface roughness evolution was calculated as a function of thickness from the soft X-ray reflectance Abstracts 07.60H - 68.20 - 68.55 - 78.65 Introduction. Soft X-ray reflectometry (SXR) was introduced
X-ray resonant magnetic scattering from structurally and magnetically rough interfaces in multilayered systems. I. Specular reflectivity
X-ray resonant magnetic scattering from structurally and magnetically rough interfaces formulation of x-ray resonant magnetic scattering from rough surfaces and interfaces is given for specular/Fe multilayer. DOI: 10.1103/PhysRevB.68.224409 PACS number s : 75.70.Cn, 61.10.Kw I. INTRODUCTION X-ray
Haskel, Daniel
The hydraulic jump as a white hole
In the geometry of the circular hydraulic jump, the velocity of the liquid in the interior region exceeds the speed of capillary-gravity waves (ripplons), whose spectrum is `relativistic' in the shallow water limit. The velocity flow is radial and outward, and thus the relativistic ripplons cannot propagating into the interior region. In terms of the effective 2+1 dimensional Painleve-Gullstrand metric appropriate for the propagating ripplons, the interior region imitates the white hole. The hydraulic jump represents the physical singularity at the white-hole horizon. The instability of the vacuum in the ergoregion inside the circular hydraulic jump and its observation in recent experiments on superfluid 4He by E. Rolley, C. Guthmann, M.S. Pettersen and C. Chevallier in physics/0508200 are discussed.
G. E. Volovik
Community Loblolly Pine Slash Pine
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed New SubstationCleanCommunity Involvement and Making a Difference
Antonia White: no role for women writers
of the "affectations" of pretty women, who define themselves by feminine stereotypes (125). White expresses her disapproval of gender stereotypes in her novels; at times she portrays stereotypically feminine and masculine characters--notably Isabel and Archie... out that by identifying with the Church women are identifying with men, making themselves instruments for their own oppression; as Isabel comments, "Of course [the Catholic church] is run by men" ( The Lost Traveller 122). And men make the most...
Witt, Amanda Beth
Polymer OLED White Light Development Program
OSRAM Opto Semiconductors (OSRAM) successfully completed development, fabrication and characterization of the large area, polymer based white light OLED prototype at their OLED Research and Development (R&D) facility in San Jose, CA. The program, funded by the Department of Energy (DOE), consisted of three key objectives: (1) Develop new polymer materials and device architectures--in order to improve the performance of organic light emitters. (2) Develop processing techniques--in order to demonstrate and enable the manufacturing of large area, white light and color tunable, solid state light sources. (3) Develop new electronics and driving schemes for organic light sources, including color-tunable light sources. The key performance goals are listed. A world record efficiency of 25 lm/W was established for the solution processed white organic device from the significant improvements made during the project. However, the challenges to transfer this technology from an R&D level to a large tile format such as, the robustness of the device and the coating uniformity of large area panels, remain. In this regard, the purity and the blend nature of the materials are two factors that need to be addressed in future work. During the first year, OSRAM's Materials and Device group (M&D) worked closely with the major polymer material suppliers to develop the polymer emissive technology. M&D was successful in demonstrating a 7-8 lm/W white light source which was based on fluorescent materials. However, it became apparent that the major gains in efficiency could only be made if phosphorescent materials were utilized. Thus, in order to improve the performance of the resulting devices, the focus of the project shifted towards development of solution-processable phosphorescent light emitting diodes (PHOLEDs) and device architectures. The result is a higher efficiency than the outlined project milestone.
Homer Antoniadis; Vi-En Choong; Stelios Choulis; Brian Cumpston; Rahul Gupta; Mathew Mathai; Michael Moyer; Franky So
Low Voltage White Phosphorescent OLED Achievements
Universal Display Corporation (UDC) and its research partners at Princeton University and the University of Southern California have succeeded in developing a white phosphorescent OLED (PHOLED�) that achieved a record efficiency of 20 lumens per watt. This achievement is the result of the team's collaborative efforts to increase the efficiency of PHOLED lighting by focusing on two critical factors: lowering the drive voltages and increasing the amount of light extracted.
1/23/07 White House...
2307 White House Office Of Communications T T w w e e n n t t y y I I n n T T e e n n : : S S t t r r e e n n g g t t h h e e n n i i n n g g A A m m e e r r i i c c a a ' ' s s E...
HTGR Mechanistic Source Terms White Paper
The primary purposes of this white paper are: (1) to describe the proposed approach for developing event specific mechanistic source terms for HTGR design and licensing, (2) to describe the technology development programs required to validate the design methods used to predict these mechanistic source terms and (3) to obtain agreement from the NRC that, subject to appropriate validation through the technology development program, the approach for developing event specific mechanistic source terms is acceptable
Wayne Moe
Electrochemical machining process for forming surface roughness elements on a gas turbine shroud
The back side recessed cooling surface of a shroud defining in part the hot gas path of a turbine is electrochemically machined to provide surface roughness elements and spaces therebetween to increase the heat transfer coefficient. To accomplish this, an electrode with insulating dielectric portions and non-insulating portions is disposed in opposition to the cooling surface. By passing an electrolyte between the cooling surface and electrode and applying an electrical current between the electrode and a shroud, roughness elements and spaces therebetween are formed in the cooling surface in opposition to the insulating and non-insulating portions of the electrode, hence increasing the surface area and heat transfer coefficient of the shroud.
Lee, Ching-Pang (Cincinnati, OH); Johnson, Robert Alan (Simpsonville, SC); Wei, Bin (Mechanicville, NY); Wang, Hsin-Pang (Rexford, NY)
Energy production rates in fluid mixtures of inelastic rough hard spheres
The aim of this work is to explore the combined effect of polydispersity and roughness on the partial energy production rates and on the total cooling rate of a granular fluid mixture. We consider a mixture of inelastic rough hard spheres of different number densities, masses, diameters, moments of inertia, and mutual coefficients of normal and tangential restitution. Starting from the first equation of the BBGKY hierarchy, the collisional energy production rates associated with the translational and rotational temperatures ($T_i^\\text{tr}$ and $T_i^\\text{rot}$) are expressed in terms of two-body average values. Next, those average values are estimated by assuming a velocity distribution function based on maximum-entropy arguments, allowing us to express the energy production rates and the total cooling rate in terms of the partial temperatures and the parameters of the mixture. Finally, the results are applied to the homogeneous cooling state of a binary mixture and the influence of inelasticity and roughness on the temperature ratios $T_1^\\text{tr}/T_1^\\text{rot}$, $T_2^\\text{tr}/T_1^\\text{tr}$, and $T_2^\\text{rot}/T_1^\\text{rot}$ is analyzed.
Andr�s Santos; Gilberto M. Kremer; Vicente Garz�
Saltstone Disposal Facility Mechanically Stabilized Earth Vault Closure Cap Degradation Base Case: Institutional Control To Pine Forest Scenario
As part of the current Saltstone Disposal Facility (SDF) Performance Assessment (PA) revision, the closure cap configuration was reevaluated and closure cap degradation mechanisms and their impact upon infiltration through the closure cap was evaluated for the existing SDF concrete vaults (i.e. vaults 1 and 4) for the base case land use scenario (i.e. institutional control to pine forest scenario) and documented in Phifer and Nelson (2003). The closure cap configuration was modified from a compacted kaolin barrier layer concept to a geosynthetic clay layer (GCL) barrier layer concept. The degradation mechanisms developed included pine forest succession, erosion, and colloidal clay migration. These degradation mechanisms resulted in changes in the hydraulic properties of the closure cap layers and resulting increases in infiltration through the closure cap over time.
Phifer, MA
Isozymes of peroxidase induced by cold stratification and hydrogen peroxide during seed germination of loblolly pine (Pinus taeda L.)
in partial fulfilment of the requirements for the degree of MASTER OF SCIENCE May 1994 Major Subject: Plant Physiology ISOZYMES OF PEROXIDASE INDUCED BY COLD STRATIFICATION AND HYDROGEN PEROXIDE DURING SEED GERMINATION OF LOBLOLLY PINE (Pittas taeda L... by environmental stress factors. Peroxidase also plays a major role in lignification and wound healing, and it is believed to be involved in auxin catabolism and defense in response to pathogenic attack. In plants, hydrogen peroxide (HP) is associated...
Lee, Yung-Sheng
Relationships of environmental variables with first-year survival and growth of loblolly pine in East Texas
were chosen for this study based on differences in temoerature and precioitation patterns and representativeness for the areas in which they were located. Regular and drought-hardy loblolly nine seedlings were planted at each site. Measurements... to water deficit values obtained using the computer algorithm accounted for approximately 75% of the variation in explaining survival. In addition, results indicated that drought-hardy loblolly pine exhibited similar growth across the sites regardless...
Harding, Lynn Marie
Effects of Precommercial Thinning and Midstory Control on Avian and Small Mammal Communities during Longleaf Pine Savanna Restoration.
Abstract - Restoring longleaf pine (Pinus palustris Mill.) savanna is a goal of many southern land managers, and longleaf plantations may provide a mechanism for savanna restoration. However, the effects of silvicultural treatments used in the management of longleaf pine plantations on wildlife communities are relatively unknown. Beginning in 1994, we examined effects of longleaf pine restoration with plantation silviculture on avian and small mammal communities using four treatments in four 8- to 11- year-old plantations within the Savannah River Site in South Carolina. Treatments included prescribed burning every 3 to 5 years, plus: (1) no additional treatment (burn-only control); (2) precommercial thinning; (3) non-pine woody control with herbicides; and (4) combined thinning and woody control. We surveyed birds (1996-2003) using 50-m point counts and small mammals with removal trapping. Thinning and woody control alone had short-lived effects on avian communities, and the combination treatment increased avian parameters over the burn-only control in all years. Small mammal abundance showed similar trends as avian abundance for all three treatments when compared with the burn-only control, but only for 2 years post-treatment. Both avian and small mammal communities were temporarily enhanced by controlling woody vegetation with chemicals in addition to prescribed fire and thinning. Therefore, precommercial thinning in longleaf plantations, particularly when combined with woody control and prescribed fire, may benefit early-successional avian and small mammal communities by developing stand conditions more typical of natural longleaf stands maintained by periodic fire.
Lane, Vanessa R [Abraham Baldwin Agricultural College; Kilgo, John C [USDA Forest Service, Southern Research Station
Search for Higgs shifts in white dwarfs
We report on a search for differential shifts between electronic and vibronic transitions in carbon-rich white dwarfs BPM 27606 and Procyon B. The absence of differential shifts within the spectral resolution and taking into account systematic effects such as space motion and pressure shifts allows us to set the first upper bound of astrophysical origin on the coupling between the Higgs field and the Kreschmann curvature invariant. Our analysis provides the basis for a more general methodology to derive bounds to the coupling of long-range scalar fields to curvature invariants in an astrophysical setting complementary to the ones available from high-energy physics or table-top experiments.
Roberto Onofrio; Gary A. Wegner
Technical White Papers | Department of Energy
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up from theDepartment of Energy Technical Evaluation ofRulemaking | DepartmentWhite
Whites Renewable Energy | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:SeadovCooperative Jump to:Westview,Geothermal Project JumpOpen67308°,Whitehouse,Whites
Whiting, Vermont: Energy Resources | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:SeadovCooperative Jump to:Westview,Geothermal ProjectWhiteside County,WhitfieldWhiting,
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1development Sandia, NREL Release Wave EnergyLinks Water PowerWaveDynEFRCOverviewWhite
Black and White Sociology: Segregation of the Discipline
Sociologists UDHR Universal Declaration of Human Rights UHR Universal Human Rights UN United Nations UNIC Universal Negro Improvement Center WRF White Racial Frame WSF White Sociological Frame x TABLE OF CONTENTS Page ABSTRACT... with The Philadelphia Negro (1899), Du Bois demonstrated the urban landscape of the color line, noting segregated black and white neighborhoods and social institutions, like schools, churches, hospitals, social clubs and businesses. The color line in society that Du...
Elias, Sean
New Efficiency Record Achieved for White OLED Device
Osram Opto-Semiconductors, Inc. has successfully demonstrated a white organic light emitting diode (OLED) with a record efficiency of 25 lumens per watt, the highest known efficiency achieved to date for a polymer-based white OLED. The 25 LPW cool-white-emitting device was produced by applying a standard external inorganic phosphor to Osram's record-breaking blue-emitting phosphorescent polymer device with a peak luminous efficacy of 14 LPW.
2012 White Book, Pacific Northwest Loads and Resources Study
The White Book is a planning analysis produced by BPA that informs BPA of its load and resource conditions for sales and purchases. The White Book provides a 10-year look at the expected obligations and resources in the Federal system and PNW region. The White Book is used as a planning tool for the Columbia River Treaty (Treaty) studies, as an information tool for customers and regional interests, and as a publication of information utilized by other planning entities for their analyses. The White Book is not used to guide day-to-day operations of the Federal Columbia River Power System (FCRPS) or determine BPA revenues or rates.
Organic-Inorganic Hetero Junction White Light Emitting Diode.
?? The purpose of this thesis work is to design and fabricates organic-inorganic hetero junction White Light Emitting Diode (WLED). In this WLED, inorganic material� (more)
Lubuna Beegum, Shafeek
White House Announces New Executive Order To Reduce Greenhouse...
the next decade (from 2008 levels) and increase the share of electricity the federal government consumes from renewable sources to 30%. According to the White House, the...
ESPC Success Story - Food and Drug Administration (FDA) White...
(FDA) White Oak Campus espcsswhiteoak.pdf More Documents & Publications Energy Savings Performance Contract Success Stories ESPC Sucess Story - Harold Washington...
ORISE: White paper analyzes Deepwater Horizon event for improving...
Horizon and Nuclear and Radiological Incidents: Common Challenges and Solutions White paper analyzes Deepwater Horizon response, identifies approaches for radiological or...
Department Release New Report on Resiliency of Electric Grid During Natural Disasters White House Council of Economic Advisers and Energy Department Release New Report on...
White-Etching Crack Failure Overview, Tomography Analysis, and...
White-Etching Crack Failure Overview, Tomography Analysis, and Test Development Presented by Aaron Greco of Argonne National Laboratory at the Wind Turbine Tribology Seminar 2014....
INVESTIGATIO N AT THE SANFORD LAB IN LEAD, SOOT DAKOTA Reference: Letter, from V. White to M. Weis, dated October 8, 2013, Subject: NEPA Environmental Evaluation Notification...
Investigation of White Etching Crack (WEC) Formation Mechanisms...
Investigation of White Etching Crack (WEC) Formation Mechanisms Under Non-hydrogen Charged Test Conditions Presented by Alex Richardson, Afton Chemical (representing University of...
White House Women's Leadership Summit on Climate and Energy recognizes...
is an energy policy scientist in Argonne's Decision and Information Sciences division. White House Women's Leadership Summit on Climate and Energy recognizes Argonne scientists By...
White River Valley Electric Cooperative- Energy Efficiency Rebate Program
The residential and commercial appliance and heating rebate program encourages members to purchase Energy Star equipment that qualifies under the White River energy efficiency program. Items...
1L 60510 Dear Ms. White: SUBJECT: NATIUNAL ENVIRONMENTA L POLICY ACT (NEPA) DETERMINATIO N AT FERMI NATIONAL ACCELERATOR LABORATORY (FERMlLAB) - NEPESE MARSH UPGRADES Reference:...
SMALL MAGNET PROTOTYPE AND RESEARCH AND DEVELOPMENT Reference: Letter, from V. White to M. Weis, dated December 5, 2013, Subject: National Environmental Policy Act Environmental...
Energy Supplier Obligations and White Certificate Schemes: Comparative...
Supplier Obligations and White Certificate Schemes: Comparative Analysis of Results in the European Union Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Energy Supplier...
Investigations of Bearing Failures Associated with White Etching...
of Bearing Failures Associated with White Etching Areas (irWEAs) in Wind Turbine Gearboxes Presented by Bob Errichello of GEARTECH at the Wind Turbine Tribology...
Food and Drug Administration White Oak Campus Environmental Stewardshi...
FEMP ESPC Success Story on water conservation and green energy at the Food and Drug Administration (FDA) White Oak Campus. espcsswhiteoak.pdf More Documents & Publications Energy...
A White Book on Faculty of Information Technology, Mathematics and
A White Book on Smart Grid Faculty of Information Technology, Mathematics and Electrical............................................................................................................................4 2. Definition of Smart Grid........................................................................................................5 3. Smart Grid Structure
Theory of Neutrinos: a White Paper
During 2004, four divisions of the American Physical Society commissioned a study of neutrino physics to take stock of where the field is at the moment and where it is going in the near and far future. Several working groups looked at various aspects of this vast field. The summary was published as a main report entitled ''The Neutrino Matrix'' accompanied by short 50 page versions of the report of each working group. Theoretical research in this field has been quite extensive and touches many areas and the short 50 page report [1] provided only a brief summary and overview of few of the important points. The theory discussion group felt that it may be of value to the community to publish the entire study as a white paper and the result is the current article. After a brief overview of the present knowledge of neutrino masses and mixing and some popular ways to probe the new physics implied by recent data, the white paper summarizes what can be learned about physics beyond the Standard Model from the various proposed neutrino experiments. It also comments on the impact of the experiments on our understanding of the origin of the matter-antimatter asymmetry of the Universe and the basic nature of neutrino interactions as well as the existence of possible additional neutrinos. Extensive references to original literature are provided.
Mohapatra, R.N.; Antusch, S.; Babu, K.S.; Barenboim, G.; Chen, Mu-Chun; Davidson, S.; de Gouvea, A.; de Holanda, P.; Dutta, Bhaskar; Grossman, Y.; Joshipura, A.; Kayser,; Kersten, J.; Keum, Y.Y.; King, S.F.; Langacker, P.; Lindner, M.; Loinaz, W.; Masina, I.; Mocioiu, I.; Mohanty, S.; /Maryland U. /Madrid, Autonoma U. /Southampton U. /Oklahoma
Theory of neutrinos: A White paper
Theory of Neutrinos: A White Paper
During 2004, four divisions of the American Physical Society commissioned a study of neutrino physics to take stock of where the field is at the moment and where it is going in the near and far future. Several working groups looked at various aspects of this vast field. The summary was published as a main report entitled ``The Neutrino Matrix'' accompanied by short 50 page versions of the report of each working group. Theoretical research in this field has been quite extensive and touches many areas and the short 50 page report provided only a brief summary and overview of few of the important points. The theory discussion group felt that it may be of value to the community to publish the entire study as a white paper and the result is the current article. After a brief overview of the present knowledge of neutrino masses and mixing and some popular ways to probe the new physics implied by recent data, the white paper summarizes what can be learned about physics beyond the Standard Model from the various proposed neutrino experiments. It also comments on the impact of the experiments on our understanding of the origin of the matter-antimatter asymmetry of the Universe and the basic nature of neutrino interactions as well as the existence of possible additional neutrinos. Extensive references to original literature are provided.
R. N. Mohapatra; S. Antusch; K. S. Babu; G. Barenboim; M. -C. Chen; S. Davidson; A. de Gouvea; P. de Holanda; B. Dutta; Y. Grossman; A. Joshipura; B. Kayser; J. Kersten; Y. Y. Keum; S. F. King; P. Langacker; M. Lindner; W. Loinaz; I. Masina; I. Mocioiu; S. Mohanty; H. Murayama; S. Pascoli; S. T. Petcov; A. Pilaftsis; P. Ramond; M. Ratz; W. Rodejohann; R. Shrock; T. Takeuchi; T. Underwood; L. Wolfenstein
Freak waves in white dwarfs and magnetars
We report properties of ion acoustic freak waves that propagate in a plasma composed of warm ions and ultrarelativistic electrons and positrons. The dynamics of the nonlinear freak waves is governed by the nonlinear Schroedinger equation. The possible region for the freak waves to exist is defined precisely for typical parameters of white dwarfs and magnetars corona. It is found that for low wave number, the nonlinear ion-acoustic wave packets are structurally stable in magnetars corona than in white dwarfs. However, for large wave numbers the situation is opposite. The critical wave number threshold (k{sub c}), which indicates where the modulational instability sets in, is defined for both applications. It is seen that near to k{sub c} the freak wave amplitude becomes high, but it decreases whenever we stepped away from k{sub c}. For the wave numbers close to k{sub c}, the increase of the unperturbed density ratio of positrons-to-electrons ({beta}) would lead to increase the freak wave amplitude, but for larger wave numbers the amplitude decreases with the increase of {beta}.
Sabry, R. [Theoretical Physics Group, Physics Department, Faculty of Science, Damietta University, New Damietta 34517 (Egypt); Department of Physics, College of Science and Humanitarian Studies, Salman bin Abdulaziz University, Alkharj (Saudi Arabia); International Centre for Advanced Studies in Physical Sciences, Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum (Germany); Moslem, W. M. [International Centre for Advanced Studies in Physical Sciences, Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum (Germany); Department of Physics, Faculty of Science, Port Said University, Port Said (Egypt); Centre for Theoretical Physics, The British University in Egypt (BUE), El-Shorouk City, Cairo (Egypt); Shukla, P. K. [International Centre for Advanced Studies in Physical Sciences, Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum (Germany); Department of Mechanical and Aerospace Engineering and Center for Energy Research, University of California, San Diego, La Jolla, California 92093 (United States)
White House Conference on Global Climate Change
President Clinton has directed the White House office on Environmental Policy to coordinate an interagency process to develop a plan to fulfill the commitment he made in his Earth Day address on April 21, 1993. This plan will become the cornerstone of the Climate Change Plan that will be completed shortly after the Rio Accord enters into force. The Office on Environmental Policy established the Interagency Climate Change Mitigation Group to draw on the expertise of federal agencies including the National Economic Council; the Council of Economic Advisors; the Office of Science and Technology Policy; the Office of Management and Budget; the National Security Council; the Domestic Policy Council; the Environmental Protection Agency; and the Departments of Energy, Transportation, Agriculture, Interior, Treasury, Commerce, and State. Working groups have been established to examine six key policy areas: energy demand, energy supply, joint implementation, methane and other gases, sinks, and transportation. The purpose of the White House Conference on Global Climate Change was to ``tap the real-world experiences`` of diverse participants and seek ideas and information for meeting the President`s goals. During the opening session, senior administration officials defined the challenge ahead and encouraged open and frank conversation about the best possible ways to meet it.
Not Available
White dwarf atmosphere models with Ly-$?$ opacity in the analysis of the white dwarf cooling sequence of NGC 6397
We discuss the importance of pure hydrogen white dwarf atmosphere models with Ly-$\\rm \\alpha$ far red wing opacity in the analysis of the white dwarf cooling sequence of the globular cluster NGC 6397. Our recently improved atmosphere models account for the previously missing opacity from the Ly-$\\rm \\alpha$ hydrogen line broadened by collisions of the absorbing hydrogen atoms with molecular and atomic hydrogen. These models are the first that well reproduce the UV colors and spectral energy distributions of cool white dwarfs with $T_{\\rm eff}white dwarf cooling sequence using atmosphere models that do not include the correct Ly-$\\alpha$ opacity is underestimated by $\\sim 0.5$ Gyr. Our analysis shows that it is essential to use white dwarf atmosphere models with Ly-$\\rm \\alpha$ opacity for precise dating of old stellar populations from white dwarf cooling sequences.
Piotr M. Kowalski
Single-layer MoS{sub 2} roughness and sliding friction quenching by interaction with atomically flat substrates
We experimentally study the surface roughness and the lateral friction force in single-layer MoS{sub 2} crystals deposited on different substrates: SiO{sub 2}, mica, and hexagonal boron nitride (h-BN). Roughness and sliding friction measurements are performed by atomic force microscopy. We find a strong dependence of the MoS{sub 2} roughness on the underlying substrate material, being h-BN the substrate which better preserves the flatness of the MoS{sub 2} crystal. The lateral friction also lowers as the roughness decreases, and attains its lowest value for MoS{sub 2} flakes on h-BN substrates. However, it is still higher than for the surface of a bulk MoS{sub 2} crystal, which we attribute to the deformation of the flake due to competing tip-to-flake and flake-to-substrate interactions.
Quereda, J. [Departamento de F�sica de la Materia Condensada, Universidad Aut�noma de Madrid, Madrid E-28049 (Spain); Castellanos-Gomez, A. [Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft (Netherlands); Agra�t, N. [Departamento de F�sica de la Materia Condensada, Universidad Aut�noma de Madrid, Madrid E-28049 (Spain); Instituto Madrile�o de Estudios Avanzados en Nanociencia, IMDEA-Nanociencia, E-28049 Madrid (Spain); Instituto de Ciencia de Materiales Nicol�s Cabrera, Campus de Cantoblanco, E-28049 Madrid (Spain); Condensed Matter Physics Center (IFIMAC), Universidad Aut�noma de Madrid, E-28049 Madrid (Spain); Rubio-Bollinger, G., E-mail: email@example.com [Departamento de F�sica de la Materia Condensada, Universidad Aut�noma de Madrid, Madrid E-28049 (Spain); Instituto de Ciencia de Materiales Nicol�s Cabrera, Campus de Cantoblanco, E-28049 Madrid (Spain); Condensed Matter Physics Center (IFIMAC), Universidad Aut�noma de Madrid, E-28049 Madrid (Spain)
Diagnosis & Correction of Soil Nutrient Limitations in Intensively managed southern pine forests
Forest productivity is one manner to sequester carbon and it is a renewable energy source. Likewise, efficient use of fertilization can be a significant energy savings. To date, site-specific use of fertilization for the purpose of maximizing forest productivity has not been well developed. Site evaluation of nutrient deficiencies is primarily based on empirical approaches to soil testing and plot fertilizer tests with little consideration for soil water regimes and contributing site factors. This project uses mass flow diffusion theory in a modeling context, combined with process level knowledge of soil chemistry, to evaluate nutrient bioavailability to fast-growing juvenile forest stands growing on coastal plain Spodosols of the southeastern U.S. The model is not soil or site specific and should be useful for a wide range of soil management/nutrient management conditions. In order to use the model, field data of fast-growing southern pine needed to be measured and used in the validation of the model. The field aspect of the study was mainly to provide data that could be used to verify the model. However, we learned much about the growth and development of fast growing loblolly. Carbon allocation patterns, root shoot relationships and leaf area root relationships proved to be new, important information. The Project Objectives were to: (1) Develop a mechanistic nutrient management model based on the COMP8 uptake model. (2) Collect field data that could be used to verify and test the model. (3) Model testing.
University of Florida
Influence of coarse woody debris on the soricid community in southeastern Coastal Plain pine stands.
Shrew abundance has been linked to the presence of coarse woody debris (CWD), especially downed logs, in many regions in the United States. We investigated the importance of CWD to shrew communities in managed upland pine stands in the southeastern United States Coastal Plain. Using a randomized complete block design, 1 of the following treatments was assigned to twelve 9.3-ha plots: removal (n 5 3; all downed CWD _10 cm in diameter and _60 cm long removed), downed (n 5 3; 5-fold increase in volume of downed CWD), snag (n 5 3; 10-fold increase in volume of standing dead CWD), and control (n 5 3; unmanipulated). Shrews (Blarina carolinensis, Sorex longirostris, and Cryptotis parva) were captured over 7 seasons from January 2007 to August 2008 using drift-fence pitfall trapping arrays within treatment plots. Topographic variables were measured and included as treatment covariates. More captures of B. carolinensis were made in the downed treatment compared to removal, and captures of S. longirostris were greater in downed and snag compared to removal. Captures of C. parva did not differ among treatments. Captures of S. longirostris were positively correlated with slope. Our results suggest that abundance of 2 of the 3 common shrew species of the southeastern Coastal Plain examined in our study is influenced by the presence of CWD.
Davis, Justin, C.; Castleberry, Steven, B.; Kilgo, John, C.
Ice damage in loblolly pine: Understanding the factors that influence susceptibility.
Abstract: Winter ice storms frequently occur in the southeastern United States and can severely damage softwood plantations. In January 2004, a severe storm deposited approximately 2 cm of ice on an intensively managed 4-year-old loblolly pine (Pinus taeda L.) plantation in South Carolina. Existing irrigation and fertilization treatments presented an opportunity to examine the effects of resource amendments on initial ice damage and subsequent recovery. Fertilized treatments showed more individual stem breakage, whereas non fertilized treatments showed more stem bending; however, the proportion of undamaged trees did not differ between treatments. Irrigation did not influence the type of damage. Trees that experienced breakage during the storm were taller with larger diameter and taper and leaf, branch, and crown biomass compared with unbroken trees. One growing season after ice damage, relative height increases were significantly greater for trees experiencing stem breakage compared with unbroken trees; however, relative diameter increases were significantly lower for these trees. Relative diameter increases for broken trees were smaller for fertilized treatments compared with nonfertilized treatments. A reduction in wood strength was ruled out as the cause of greater breakage in fertilized trees; rather, fertilized trees had reached an intermediate diameter range known to be susceptible to breakage under ice loading.
Aubrey, Doug, P.; Coleman, Mark, D.; Coyle, David, R.
Anomalous scaling and super-roughness in the growth of CdTe polycrystalline films
CdTe films grown on glass substrates covered by fluorine doped tin oxide by Hot Wall Epitaxy (HWE) were studied through the interface dynamical scaling theory. Direct measures of the dynamical exponent revealed an intrinsically anomalous scaling characterized by a global roughness exponent $\\alpha$ distinct from the local one (the Hurst exponent $H$), previously reported [Ferreira \\textit{et al}., Appl. Phys. Lett. \\textbf{88}, 244103 (2006)]. A variety of scaling behaviors was obtained with varying substrate temperature. In particular, a transition from a intrinsically anomalous scaling regime with $H\
Ang�lica S. Mata; Silvio C. Ferreira, Jr.; Igor R. B. Ribeiro; Sukarno O. Ferreira
Bypass flow in a prismatic high temperature gas reactor (HTGR) occurs between graphite blocks as they sit side by side in the core. Bypass flow is not intentionally designed to occur in the reactor, but is present because of tolerances in manufacture, imperfect installation and expansion and shrinkage of the blocks from heating and irradiation. It is desired to increase the knowledge of the effects of such flow, which has been estimated to be as much as 20% of the total helium coolant flow. Computational fluid dynamic (CFD) simulations can provide estimates of the scale and impacts of bypass flow. Previous CFD calculations have examined the effects of bypass gap width, level and distribution of heat generation and effects of shrinkage. The present contribution examines the effects of graphite surface roughness on the bypass flow for different relative roughness factors on three gap widths. Such calculations should be validated using specific bypass flow measurements. While such experiments are currently underway for the specific reference prismatic HTGR design for the next generation nuclear plant (NGNP) program of the U. S. Dept. of Energy, the data are not yet available. To enhance confidence in the present calculations, wall shear stress and heat transfer results for several turbulence models and their associated wall treatments are first compared for flow in a single tube that is representative of a coolant channel in the prismatic HTGR core. The results are compared to published correlations for wall shear stress and Nusselt number in turbulent pipe flow. Turbulence models that perform well are then used to make bypass flow calculations in a symmetric onetwelfth sector of a prismatic block that includes bypass flow. The comparison of shear stress and Nusselt number results with published correlations constitutes a partial validation of the CFD model. Calculations are also compared to ones made previously using a different CFD code. Results indicate that increasing surface roughness increases the maximum fuel and helium temperatures as do increases in gap width. However, maximum coolant temperature variation due to increased gap width is not changed by surface roughness.
Rich Johnson; Yu-Hsin Tung; Hiroyuki Sato
Turbulent Friction in Rough Pipes and the Energy Spectrum of the Phenomenological Theory
The classical experiments on turbulent friction in rough pipes were performed by J. Nikuradse in the 1930's. Seventy years later, they continue to defy theory. Here we model Nikuradse's experiments using the phenomenological theory of Kolmog\\'orov, a theory that is widely thought to be applicable only to highly idealized flows. Our results include both the empirical scalings of Blasius and Strickler, and are otherwise in minute qualitative agreement with the experiments; they suggest that the phenomenological theory may be relevant to other flows of practical interest; and they unveil the existence of close ties between two milestones of experimental and theoretical turbulence.
G. Gioia; Pinaki Chakraborty
Investigation of wall friction in noncircular ducts with a rough liner
. Civil ~Rn i , I nd , p. 166, P h Ay, 1DDD 2. R k'*1, R M * i, M*ch d I' G 1 ti A~n 1 Viley and. Sons, Inc. , New York, p. 66, 1950, H *I ci er, P. G. , ~atd, P~, d Ai. ~G* d't'* 19: 127(19rr. 7). O; Johnaon, Guy, Jr. , Determination oi' the ~pandit...INVESTIGATION OZ 7('ALL FRICTION IN NONCIHCULAR DUCTS VIITH A ROUGH LINEH A Thesis John Charles Tyler Submitted. to the Graduate School of the Agricultural and Mechanical College of Texas in partial fulfillment of the requirements...
Tyler, John Charles
100 LPW 800 Lm Warm White LED
An illumination grade warm white (WW) LED, having correlated color temperature (CCT) between 2800 K and 3500K and capable of producing 800 lm output at 100 lm/W, has been developed in this program. The high power WW LED is an ideal source for use as replacement for incandescent, and Halogen reflector and general purpose lamps of similar lumen value. Over the two year period, we have made following accomplishments: developed a high power warm white LED product and made over 50% improvements in light output and efficacy. The new high power WW LED product is a die on ceramic surface mountable LED package. It has four 1x1 mm{sup 2} InGaN pump dice flip chip attached to a ceramic submount in 2x2 array, covered by warm white phosphor ceramic platelets called Lumiramic�?� and an overmolded silicone lens encapsulating the LED array. The performance goal was achieved through breakthroughs in following key areas: (1) High efficiency pump LED development through pump LED active region design and epi growth quality improvement (funded by internal programs). (2) Increase in injection efficiency (IE) represented by reduction in forward voltage (V{sub f}) through the improvement of the silver-based p-contact and a reduction in spreading resistance. The injection efficiency was increased from 80% at the start of the program to 96% at the end of the program at 700 mA/mm{sup 2}. (3) Improvement in thermal design as represented by reduction in thermal resistance from junction to case, through improvement of the die to submount connection in the thin film flip chip (TFFC) LED and choosing the submount material of high thermal conductivity. A thermal resistance of 1.72 K/W was demonstrated for the high power LED package. (4) Improvement in extraction efficiency from the LED package through improvement of InGaN die level and package level optical extraction efficiency improvement. (5) Improvement in phosphor system efficiency by improving the lumen equivalent (LE) and phosphor package efficiency (PPE) through improvement in phosphor-package interactions. Another achievement in the development of the phosphor integration technology is the demonstration of tight color control. The high power WW LED product developed has been proven to have good reliability. The manufacturing of the product will be done in Philips Lumileds�?? LUXEON Rebel production line which has produced billions of high power LEDs. The first high power WW LED product will be released to the market in 2011.
Decai Sun
Remyelination failure following white matter stroke: new targets for repair identified by oligodendrocyte progenitor cell transcriptome database.
Differences between White Matter Stroke and Immune-mediated32 White Matter Stroke �������������������..��������� 3343 � 97 White Matter Stroke Model Using the Vasoconstrictive
Sozmen, Elif Guler
White Paper: CA and Microsoft for Interoperable, Secure Web Business
White Paper: CA and Microsoft for Interoperable, Secure Web Business Enablement Author: Dave, and improve outreach to business partners and customers. This white paper reviews how solutions from CA (CA SiteMinder, CA Federation Manager) and Microsoft (Active Directory Federation Services (formerly code
Narasayya, Vivek
White noise distribution theory for the Fermion system
In this paper, we give the white noise calculus for the Fermion system and prove the Fock expansion. Each continuous linear operator on Fermionic white noise functionals is uniquely represented by the series of integral kernel operators. This series is called the Fock expansion.
Yoshihito Shimada
2013 White Book, Pacific Northwest Loads and Resources Study (summary)
The 2013 Pacific Northwest Loads and Resources Study (2013 White Book) is BPA's latest projection of the Pacific Northwest regional retail loads, contract obligations, contract purchases, and resource capabilities. The 2013 White Book is a snapshot of conditions as of October 1, 2013, documenting the loads and resources for the Federal system and region for the 10-year study period OY 2014 through 2023. The White Book contains projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. The White Book also contains information obtained from formalized resource planning reports and data submittals including those from individual utilities, the Northwest Power and Conservation Council (Council), and the Pacific Northwest Utilities Conference Committee (PNUCC). Starting with the 2012 White Book, BPA changed the annual production schedule for future White Books. BPA is scheduled to publish a complete White Book, which includes a Federal System Needs Assessment analysis, every other year (even years). In the odd-numbered years, BPA will publish a biennial summary update (Supplement) that only contains major changes to the Federal System and Regional System analyses that have occurred since the last White Book. http://www.bpa.gov/power/pgp/whitebook/2013/index.shtml.
Introduction One of the challenges of white potato production, as
Introduction One of the challenges of white potato production, as with any crop, is the efficient-textured, low-organic matter soils common to the Eastern Shore, the premier potato-producing region in Virginia. These factors make the appropriate N rate and N application timing critical for successful white potato
Liskiewicz, Maciej
a microsoft white paper Drilling for new Business Value
a microsoft white paper Drilling for new Business Value How innovative oil and gas companies Perez, Enterprise Architect, Microsoft #12;a microsoft white paper Drilling for new B usiness Value 2 for new B usiness Value 3 executive summary as the buzz about big data makes the leap from technology
Bernstein, Phil
www.nasa.gov WHITE SANDS MISSILE RANGE ACCESS CAPABILITIES
and missile launch, tracking, and recovery · Nuclear effects testing · High-speed sled track · Directed energy weapons testing · Climatic and dynamic environments testing · Atmospheric research · Electronicwww.nasa.gov WHITE SANDS MISSILE RANGE ACCESS CAPABILITIES SUMMARY White Sands Test Facility (WSTF
SOUTH DAKOTA a1/-F c ) o o ~ 0 EARLY LIFE HISTORY OF WHITE BASS IN LAKE POINSETT South Dakota Department of Game, Fish and Parks Wildlife Division Joe Foss Building Pierre, South Dakota 57501 OF WHITE BASS IN LAKE POINSETT 1999 Statewide Fisheries Investigations Completion Report by H. Denise Beck
SNOUT DIMORPHISM IN WHITE STURGEON, ACIPENSER TRANSMONTANUS, FROM THE COLUMBIA RIVER AT HANFORD and adult white sturgeon in the Hanford reach of the Columbia River. Materials and Methods Sturgeon were not been reported in other areas of the species range. The occurrence of this dimorphism at Hanford may
Porting the .NET Micro Framework A Microsoft Technical White Paper
Porting the .NET Micro Framework A Microsoft Technical White Paper December 10, 2007 AbstractShow-capable devices to port the .NET Micro Framework to new hardware platforms. This white paper introduces the .NET Micro Framework architecture with a view toward porting it to a new hardware platform. It then discusses
Hunt, Galen
Maximum mass of magnetic white dwarfs
We revisit in this work the problem of the maximum masses of magnetized White Dwarfs (WD). The impact of a strong magnetic field onto the structure equations is addressed. The pressures become anisotropic due to the presence of the magnetic field and split into a parallel and perpendicular components. We first construct stable solutions of TOV equations for the parallel pressures, and found that physical solutions vanish for the perpendicular pressure when $B \\gtrsim 10^{13}$ G. This fact establishes an upper bound for a magnetic field and the stability of the configurations in the (quasi) spherical approximation. Our findings also indicate that it is not possible to obtain stable magnetized WD with super Chandrasekhar masses because the values of the magnetic field needed for them are higher than this bound. To proceed into the anisotropic regime, we derived structure equations appropriated for a cylindrical metric with anisotropic pressures. From the solutions of the structure equations in cylindrical symme...
Paret, D Manreza; Horvath, J E
White Paper on Closer Integration of IDV and McIDAS-V This White Paper presents a series of recommendations to more closely align the development
White Paper on Closer Integration of IDV and McIDAS-V Abstract: This White Paper presents a series's next generation operational satellite programs and from fees collected from the MUG members. This White benefit. This White Paper asserts that by working together, the two projects can combine their talent
PICS White Paper Guidelines PICS white papers are solutions-oriented reports of approximately 5,000 words in length that explore, in-
PICS White Paper Guidelines PICS white papers are solutions-oriented reports of approximately 5 the provincial government or as the result of a PICS initiated or independent proposal. Purpose PICS white papers. The white paper series aims to: · increase awareness and understanding of specific climate-related problems
Pedersen, Tom
Debris Disks Around White Dwarfs: The DAZ Connection
We present near-infrared spectroscopic observations of 20 previously known DAZ white dwarfs obtained at the NASA Infrared Telescope Facility. Two of these white dwarfs (G29-38 and GD362) are known to display significant K-band excesses due to circumstellar debris disks. Here we report the discovery of excess K-band radiation from another DAZ white dwarf, WD0408-041 (GD56). Using spectroscopic observations, we show that the excess radiation cannot be explained by a stellar or substellar companion, and is likely to be caused by a warm debris disk. Our observations strengthen the connection between the debris disk phenomena and the observed metal abundances in cool DAZ white dwarfs. However, we do not find any excess infrared emission from the most metal rich DAZs with $T_{\\rm eff}=$ 16000 -- 20000 K. This suggests that the metal abundances in warmer DAZ white dwarfs may require another explanation.
Mukremin Kilic; Ted von Hippel; S. K. Leggett; D. E. Winget
The white dwarf luminosity function. I. Statistical errors and alternatives
Over the years, several methods have been proposed to compute galaxy luminosity functions, from the most simple ones -counting sample objects inside a given volume- to very sophisticated ones -like the C- method, the STY method or the Choloniewski method, among others. However, only the V/Vmax method is usually employed in computing the white dwarf luminosity function and other methods have not been applied so far to the observational sample of spectroscopically identified white dwarfs. Moreover, the statistical significance of the white dwarf luminosity function has also received little attention and a thorough study still remains to be done. In this paper we study, using a controlled synthetic sample of white dwarfs generated using a Monte Carlo simulator, which is the statistical significance of the white dwarf luminosity function and which are the expected biases. We also present a comparison between different estimators for computing the white dwarf luminosity function. We find that for sample sizes large enough the V/Vmax method provides a reliable characterization of the white dwarf luminosity function, provided that the input sample is selected carefully. Particularly, the V/Vmax method recovers well the position of the cut-off of the white dwarf luminosity function. However, this method turns out to be less robust than the Choloniewski method when the possible incompletenesses of the sample are taken into account. We also find that the Choloniewski method performs better than the V/Vmax method in estimating the overall density of white dwarfs, but misses the exact location of the cut-off of the white dwarf luminosity function.
E. M. Geijo; S. Torres; J. Isern; E. Garcia-Berro
Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev...
2 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM Conference 2010 Rev 2 revised Microsoft PowerPoint - 12 Holman White PM Conference 2010...
White Kids: Identity Construction, Critical Mass, and Symbolic Exclusion in High School Cliques and other Groups
J. R. , & Vera, H. (1995). White Racism: The Basics. NewH. , & Batur, H. (2001). White racism. New York: Routledge.Gallagher, C. (1997). White racial formation: Into the
Lueck, Kerstin; Steffen, Hayley
Intersectionality and the Perpetuation of White Male Power through Interracial Sexual Violence
The purpose of this dissertation research is to investigate the reactions and attitudes of white men, white women, black men, and black women to the sexual violence of enslaved black women carried out by white men. Using an intersectional approach...
Feinstein, Rachel Anne
White fibrous papulosis of the neck: The first South American case
PubMed ] 13. Wang DG, Zhu WY. White fibrous papulosis of the14. Kim HS,Yu DS,Kim JW. White fibrous papulosis of theS, Harada T, Nishikawa T. White fibrous papulosis of the
Love isn't always black and white: understanding black-white interracial couples, their challenges, and their dyadic communication
of their privileged position in society, whites life situations had never had necessitated that they learn about the black co-culture. The black partners also reported seeing the white community differently by understanding the nuances of racism at a deeper level...
Wilson, Misty Michelle
Traffic Light Protocol: WHITE Traffic Light Protocol: WHITE (information may be distributed without restriction, subject to copyright controls.)
the event for their gain. The Threats: Internet watch groups and cyber security experts have already potential cyber threats please visit the Center for Internet Security website at CISecurity.org. #12;Traffic Light Protocol: WHITE Traffic Light Protocol: WHITE (information may be distributed without
Thomas, Andrew
The effects of precommercial thinning and midstory-control on the flora and fauna of young longleaf pine plantations.
I examined the effects of longleaf pine (Pinus palustris) restoration using plantation silviculture on the avian, small mammal, and herpetofauna communities on the Savannah River Site, a National Environmental Research Park near Aiken, South Carolina. Vertebrate populations were surveyed from 1995 through 2003 on a series of plantations that had been precommercially thinned and/or received midstory-control via herbicides between 1994 and 1996. Understory and overstory vegetation was surveyed from 1994 through 2004. Thinning and midstory vegetation reduction treatments had greater herbaceous cover than the control through 2004 after a 1-2 year decline on midstory-control plots. Initially, thinned plots had the greatest herbaceous cover. However from 1998 through 2004, the combined treatment had the most herbaceous cover. Without midstory-control, thinning released midstory hardwoods. The effect of thinning or midstory-control alone on bird abundance was positive but short-lived. The positive effects were larger and persisted longer on combined treatment plots. My results indicate that precommercial thinning longleaf plantations, particularly when combined with midstory-control and prescribed fire, had a modest beneficial impact on avian communities by developing stand conditions more typical of natural longleaf stands maintained by periodic fire. All treatments resulted in short-term increases in small mammal abundance, but effects were minimal by 5-7 years after treatment. By 2001, pine basal area had returned to pre-treatment levels on thinned plots suggesting that frequent thinning may be required to maintain abundant and diverse small mammal communities in longleaf pine plantations. I did not detect any treatment related differences in herpetofauna abundance. These results suggest that restoring longleaf with a combination of precommercial thinning, midstory-control with herbicides, and prescribed fire can have a short-term positive effect on the avian and small mammal communities without affecting the herpetofauna community. However, periodic thinnings may be necessary to extend the positive effects.
Simmons, Robert.
Land-Use History and Contemporary Management Inform an Ecological Reference Model for Longleaf Pine Woodland Understory Plant Communities.
Ecological restoration is frequently guided by reference conditions describing a successfully restored ecosystem; however, the causes and magnitude of ecosystem degradation vary, making simple knowledge of reference conditions insufficient for prioritizing and guiding restoration. Ecological reference models provide further guidance by quantifying reference conditions, as well as conditions at degraded states that deviate from reference conditions. Many reference models remain qualitative, however, limiting their utility. We quantified and evaluated a reference model for southeastern U.S. longleaf pine woodland understory plant communities. We used regression trees to classify 232 longleaf pine woodland sites at three locations along the Atlantic coastal plain based on relationships between understory plant community composition, soils lol(which broadly structure these communities), and factors associated with understory degradation, including fire frequency, agricultural history, and tree basal area. To understand the spatial generality of this model, we classified all sites together. and for each of three study locations separately. Both the regional and location-specific models produced quantifiable degradation gradients�i.e., progressive deviation from conditions at 38 reference sites, based on understory species composition, diversity and total cover, litter depth, and other attributes. Regionally, fire suppression was the most important degrading factor, followed by agricultural history, but at individual locations, agricultural history or tree basal area was most important. At one location, the influence of a degrading factor depended on soil attributes. We suggest that our regional model can help prioritize longleaf pine woodland restoration across our study region; however, due to substantial landscape-to-landscape variation, local management decisions should take into account additional factors (e.g., soil attributes). Our study demonstrates the utility of quantifying degraded states and provides a series of hypotheses for future experimental restoration work. More broadly, our work provides a framework for developing and evaluating reference models that incorporate multiple, interactive anthropogenic drivers of ecosystem degradation.
Brudvig, Lars A. [Department of Plant Biology, Michigan State University; Orrock, John L. [Department of Zoology, University of Wisconsin; Damschen, Ellen I. [Department of Zoology, University of Wisconsin; et al, et al
Quantifying And Predicting Wood Quality Of Loblolly And Slash Pine Under Intensive Forest Management Final Technical Report
The forest industry will increasingly rely on fast-growing intensively managed southern pine plantations to furnish wood and fiber. Intensive silvicultural practices, including competition control, stand density control, fertilization, and genetic improvement are yielding tremendous gains in the quantity of wood production from commercial forest land. How these technologies affect wood properties was heretofore unknown, although there is concern about the suitability of fast-grown wood for traditional forest products. A four year study was undertaken to examine the effects of these intensive practices on the properties of loblolly and slash pine wood by applying a common sampling method over 10 existing field experiments. Early weed control gets young pines off to a rapid start, often with dramatically increased growth rates. This response is all in juvenile wood however, which is low in density and strength. Similar results are found with early Nitrogen fertilization at the time of planting. These treatments increase the proportion of juvenile wood in the tree. Later, mid-rotation fertilization with Nitrogen and Phosphorus can have long term (4-8 year) growth gains. Slight reductions in wood density are short-lived (1-2 years) and occur while the tree is producing dense, stiff mature wood. Impacts of mid-rotation fertilization on wood properties for manufacturing are estimated to be minimal. Genetic differences are evident in wood density and other properties. Single family plantings showed somewhat more uniform properties than bulk improved or unimproved seedlots. Selection of genetic sources with optimal wood properties may counter some of the negative impacts of intensive weed control and fertilization. This work will allow forest managers to better predict the effects of their practices on the quality of their final product.
Richard F. Daniels; Alexander Clark III
Geologic map and coal sections of the Pine Ridge quadrangle, Moffat County, Colorado
The Pine Ridge quadrangle was mapped as part of the US Geological Survey's program of classifying and evaluating mineral lands in the public domain. Coal is the primary resource of econmic interest within the quadrangle and occurs in the Lance and Fort Union Formations. Several unsuccessful oil-and-gas wells have been drilled within the quadrangle. Possible uranium deposits may be found in the Browns Park Formation. Sand and gravel are also present in the quadrangle. The main coal zone in the Lance Formation is found near the middle and contains coal beds ranging in thickness from 0.17 to 0.94 m. These coal beds are discontinuous, grading laterally and vertically into carbonaceous shales. The middle coal zone in the Lance Formation appears to be continuous from east to west across the quadrangle. Coal beds approximately 0.1 m thick occur locally just above the base of the Lance. There are no coal mines or prospects within the formation. Coal beds in the Fort Union Formation, although generally thicker than the Lance coals, are extremely lenticular and irregular in distribution. The Fort Union coal zone is 22 to 51 m thick and the lowermost coal bed is 36 to 177 m above the basal Fort Union contact. Coal beds pinch and swell, are split by shale and sandstone partings, are cut out by river-channel sandstones, and grade laterally and vertically into carbonaceous shales. Inferred coal resources were calculated for the Fort Union Formation coals. An estimated 3278 ha are underlain by approximately 195 million metric tons. Resources were not calculated for coal beds in the Lance Formation.
Prost, G.L.; Brownfield, M.E.
Parametric Gasification of Oak and Pine Feedstocks Using the TCPDU and Slipstream Water-Gas Shift Catalysis
With oak and pine feedstocks, the Gasification of Biomass to Hydrogen project maximizes hydrogen production using the Full Stream Reformer during water-gas shift fixed-bed reactor testing. Results indicate that higher steam-to-biomass ratio and higher thermal cracker temperature yield higher hydrogen concentration. NREL's techno-economic models and analyses indicate hydrogen production from biomass may be viable at an estimated cost of $1.77/kg (current) and $1.47/kg (advanced in 2015). To verify these estimates, NREL used the Thermochemical Process Development Unit (TCPDU), an integrated system of unit operations that investigates biomass thermochemical conversion to gaseous and liquid fuels and chemicals.
Hrdlicka, J.; Feik, C.; Carpenter, D.; Pomeroy, M.
A review of "The Isle of Pines, 1668: Henry Neville's Uncertain Utopia" by John Scheckter and Henry Neville
informative and exhaustive readings as well, as he has provided a very useful and timely edition of a text that deserves more critical attention. Although Neville?s Isle of Pines inherently o ers a very complicated textual puzzle (It appeared in print over.... But this chapter goes further, however, and o ers a survey of editorial procedure for other editions, starting with that of #14;omas Hollis in the eighteenth century. Scheckter contrasts Hollis?s editorial choices with those of William Chauncey Ford, whose 1920...
Mills, Dan
Modification of alkaline pulping to facilitate the isolation of aliphatic acids. Part 1. Sodium hydroxide pretreatment of pine wood
Pretreating pine chips (Pinus sylvestris) with sodium hydroxide prior to the alkaline delignification kraft, kraft-anthraquinone, and soda-anthraquinone) can facilitate the recovery of the carbohydrate degradation products from alkaline pulping liquors. Under suitable pretreatment conditions large amounts of carbohydrate degradation products (alipahtic acids) were formed relative to lignin. The lignin fraction was composed of comparatively low-molecular-weight fragments. Although the delignification was considerably retarded and the yield (based on wood) was decreased by 1-3%, the properties of the resulting pulp were essentially maintained despite pretreatment. Finally, data are given for the composition of aliphatic acids in liquors resulting from pretreatments.
Alen, R.; Niemelae, K.; Sjoestroem, E.
Improved detection of rough defects for ultrasonic NDE inspections based on finite element modeling of elastic wave scattering
Defects which posses rough surfaces greatly affect ultrasonic wave scattering behaviour, often reducing the magnitude of reflected signals. Ultrasonic inspections rely upon this response for detecting and sizing flaws. For safety critical components reliable characterisation is crucial. Therefore, providing an accurate means to predict reductions in signal amplitude is essential. An extension of Kirchhoff theory has formed the basis for the UK power industry inspection justifications. However, it is widely recognised that these predictions are pessimistic owing to analytical approximations. A numerical full field modelling approach does not fall victim to such limitations. Here, a Finite Element model is used to aid in setting a non-conservative reporting threshold during the inspection of a large pressure vessel forging that might contain embedded rough defects. The ultrasonic response from multiple rough surfaces defined by the same statistical class is calculated for normal incident compression waves. The approach is validated by comparing coherent scattering with predictions made by Kirchhoff theory. At lower levels of roughness excellent agreement is observed, whilst higher values confirm the pessimism of Kirchhoff theory. Furthermore, the mean amplitude in the specular direction is calculated. This represents the information obtained during an inspection, indicating that reductions due to increasing roughness are significantly less than the coherent component currently being used.
Pettit, J. R. [Rolls-Royce Nuclear, PO BOX 2000, Derby, UK, DE21 7XX and Research Centre for NDE, Imperial College London, Exhibition Road, London SW7 2AZ (United Kingdom); Walker, A. [Rolls-Royce Nuclear, PO BOX 2000, Derby DE21 7XX (United Kingdom); Lowe, M. J. S. [Research Centre for NDE, Imperial College London, Exhibition Road, London SW7 2AZ (United Kingdom)
Responding to the Risk of White Shark Attack Updated Statistics, Prevention, Control
477 CHAPTER 31 Responding to the Risk of White Shark Attack Updated Statistics, Prevention, Control ................................................................................................................................... 478 White Shark Attack Statistics........................................................................................................ 479 Definition of Shark Attack
Klimley, A. Peter
E-Print Network 3.0 - acroporid white syndrome Sample Search...
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HASKELL & WHITE CORPORATE REPORTING & GOVERNANCE CONFERENCE SERIES Blending Theory with Practice
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White dwarfs in the European Galactic Plane Surveys (EGAPS)
The space density of white dwarfs is highly uncertain even nearby. This results from the fact that the known sample of white dwarfs is largely incomplete in part because most white dwarfs have been discovered as by-products in non-dedicated surveys. In order to obtain more accurate white dwarf space densities and scale heights we must build up a complete sample of white dwarfs. The European Galactic Plane Surveys (EGAPS) are the best database to search for white dwarfs as they will provide broad band (U, g', r', i') and narrow band (Halpha and HeI) measurements for one per cent of all the stars in the Galaxy. By looking at the Galactic Plane, where most stars are, we ensure that we are obtaining a complete sample. The space densities obtained from EGAPS can then be compared with those found in high latitude surveys such as the Sloan Digital Sky Survey (SDSS). The methods used to identify white dwarfs using the colours available in EGAPS are described and some preliminary results presented.
L. Morales-Rueda; P. J. Groot; R. Napiwotzki; J. Drew; the EGAPS collaboration
The Mystery Deepens: Spitzer Observations of Cool White Dwarfs
We present 4.5$\\mu$m and 8$\\mu$m photometric observations of 18 cool white dwarfs obtained with the Spitzer Space Telescope. Our observations demonstrate that four white dwarfs with T_eff< 6000 K show slightly depressed mid-infrared fluxes relative to white dwarf models. In addition, another white dwarf with a peculiar optical and near-infrared spectral energy distribution (LHS 1126) is found to display significant flux deficits in Spitzer observations. These mid-infrared flux deficits are not predicted by the current white dwarf models including collision induced absorption due to molecular hydrogen. We postulate that either the collision induced absorption calculations are incomplete or there are other unrecognized physical processes occuring in cool white dwarf atmospheres. The spectral energy distribution of LHS 1126 surprisingly fits a Rayleigh-Jeans spectrum in the infrared, mimicking a hot white dwarf with effective temperature well in excess of 10$^5$ K. This implies that the source of this flux deficit is probably not molecular absorption but some other process.
Mukremin Kilic; Ted von Hippel; Fergal Mullally; William T. Reach; Marc J. Kuchner; D. E. Winget; Adam Burrows
Organic photosensitive cells grown on rough electrode with nano-scale morphology control
An optoelectronic device and a method for fabricating the optoelectronic device includes a first electrode disposed on a substrate, an exposed surface of the first electrode having a root mean square roughness of at least 30 nm and a height variation of at least 200 nm, the first electrode being transparent. A conformal layer of a first organic semiconductor material is deposited onto the first electrode by organic vapor phase deposition, the first organic semiconductor material being a small molecule material. A layer of a second organic semiconductor material is deposited over the conformal layer. At least some of the layer of the second organic semiconductor material directly contacts the conformal layer. A second electrode is deposited over the layer of the second organic semiconductor material. The first organic semiconductor material is of a donor-type or an acceptor-type relative to the second organic semiconductor material, which is of the other material type.
Yang, Fan (Piscataway, NJ); Forrest, Stephen R. (Ann Arbor, MI)
Light scattering by a rough surface of human skin. 1. The luminance factor of reflected light
Based on the analytical solution of Maxwell's equations, we have studied the angular structure of the luminance factor of light reflected by the rough skin surface with large-scale relief elements, illuminated by a directed radiation beam incident at an arbitrary angle inside or outside the medium. The parameters of the surface inhomogeneities are typical of human skin. The calculated angular dependences are interpreted from the point of view of the angular distribution function of micro areas. The results obtained can be used for solving direct and inverse problems in biomedical optics, in particular for determining the depth of light penetration into a biological tissue, for studying the light action spectra on tissue chromophores under the in vivo conditions, for developing diagnostic methods of structural and biophysical parameters of a medium, and for optimising the mechanisms of interaction of light with biological tissues under their noninvasive irradiation through skin. (biomedical optics)
Barun, V V [Belarusian State University of Informatics and Radioelectronics, Minsk (Belarus); Ivanov, A P [B.I.Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk (Belarus)
Water-waves modes trapped in a canal by a body with the rough surface
The problem about a body in a three dimensional infinite channel is considered in the framework of the theory of linear water-waves. The body has a rough surface characterized by a small parameter $\\epsilon>0$ while the distance of the body to the water surface is also of order $\\epsilon$. Under a certain symmetry assumption, the accumulation effect for trapped mode frequencies is established, namely, it is proved that, for any given $d>0$ and integer $N>0$, there exists $\\epsilon(d,N)>0$ such that the problem has at least $N$ eigenvalues in the interval $(0,d)$ of the continuous spectrum in the case $\\epsilon\\in(0,\\epsilon(d,N)) $. The corresponding eigenfunctions decay exponentially at infinity, have finite energy, and imply trapped modes.
G. Cardone; T. Durante; S. A. Nazarov
Light emitting diode with high aspect ratio submicron roughness for light extraction and methods of forming
The surface morphology of an LED light emitting surface is changed by applying a reactive ion etch (RIE) process to the light emitting surface. High aspect ratio, submicron roughness is formed on the light emitting surface by transferring a thin film metal hard-mask having submicron patterns to the surface prior to applying a reactive ion etch process. The submicron patterns in the metal hard-mask can be formed using a low cost, commercially available nano-patterned template which is transferred to the surface with the mask. After subsequently binding the mask to the surface, the template is removed and the RIE process is applied for time duration sufficient to change the morphology of the surface. The modified surface contains non-symmetric, submicron structures having high aspect ratio which increase the efficiency of the device.
Li, Ting (Ventura, CA)
Li, Ting
Surface Roughness of Stainless Steel Bender Mirrors for FocusingSoft X-rays
We have used polished stainless steel as a mirror substrate to provide focusing of soft x-rays in grazing incidence reflection. The substrate is bent to an elliptical shape with large curvature and high stresses in the substrate require a strong elastic material. Conventional material choices of silicon or of glass will not withstand the stress required. The use of steel allows the substrates to be polished and installed flat, using screws in tapped holes. The ultra-high-vacuum bender mechanism is motorized and computer controlled. These mirrors are used to deliver focused beams of soft x-rays onto the surface of a sample for experiments at the Advanced Light Source (ALS). They provide an illumination field that can be as small as the mirror demagnification allows, for localized study, and can be enlarged, under computer control,for survey measurements over areas of the surface up to several millimeters. The critical issue of the quality of the steel surface, polished and coated with gold, which limits the minimum achievable focused spot size is discussed in detail. Comparison is made to a polished, gold coated, electroless nickel surface, which provides a smoother finish. Surface measurements are presented as power spectral densities, as a function of spatial frequency. The surface height distributions measured with an interferometric microscope, and complemented by atomic force microscope measurements, are used to compute power spectral densities and then to evaluate the surface roughness. The effects of roughness in reducing the specular reflectivity are verified by soft x-ray measurements.
Yashchuk, Valeriy V.; Gullikson, Eric M.; Howells, Malcolm R.; Irick, Steve C.; MacDowell, Alastair A.; McKinney, Wayne R.; Salmassi,Farhad; Warwick, Tony; Metz, James P.; Tonnessen, Thomas W.
Near-Infrared Photometric Analyses of White Dwarf Stars
We review the available near- and mid- infrared photometry data sets for white dwarfs from the Two Micron All-Sky Survey (2MASS) Point Source Catalog and the Spitzer Space Telescope. These data sets have been widely used to search for white dwarfs with an infrared excess as well as to characterize the atmosphere of cool white dwarfs. We evaluate the reliability of the 2MASS photometry by performing a statistical comparison with published JHK CIT magnitudes, and by carrying out a detailed model atmosphere analysis of the available photometry. We then present a critical examination of various results published in the literature including data from the Spitzer Space Telescope.
P. -E. Tremblay; P. Bergeron
White Dwarfs in NGC 6791: Avoiding the Helium Flash
We propose that the anomalously bright white dwarf luminosity function observed in NGC 6791 (Bedin et al 2005) is the consequence of the formation of 0.5 Msun white dwarfs with Helium cores instead of Carbon cores. This may happen if mass loss during the ascent of the Red Giant Branch is strong enough to prevent a star from reaching the Helium flash. Such a model can explain the slower white dwarf cooling (relative to standard models) and fits naturally with scenarios advanced to explain Extreme Horizontal Branch stars, a population of which are also found in this cluster.
Brad Hansen
White dwarf masses in cataclysmic variables
The white dwarf (WD) mass distribution of cataclysmic variables (CVs) has recently been found to dramatically disagree with the predictions of the standard CV formation model. The high mean WD mass among CVs is not imprinted in the currently observed sample of CV progenitors and cannot be attributed to selection effects. Two possibilities have been put forward: either the WD grows in mass during CV evolution, or in a significant fraction of cases, CV formation is preceded by a (short) phase of thermal time-scale mass transfer (TTMT) in which the WD gains a sufficient amount of mass. We investigate if either of these two scenarios can bring theoretical predictions and observations into agreement. We employed binary population synthesis models to simulate the present intrinsic CV population. We incorporated aspects specific to CV evolution such as an appropriate mass-radius relation of the donor star and a more detailed prescription for the critical mass ratio for dynamically unstable mass transfer. We also imp...
Wijnen, T P G; Schreiber, M R
Water Integration Project Science Strategies White Paper
This white paper has been prepared to document the approach to develop strategies to address Idaho National Engineering and Environmental Laboratory (INEEL) science and technology needs/uncertainties to support completion of INEEL Idaho Completion Project (Environmental Management [EM]) projects against the 2012 plan. Important Idaho Completion Project remediation and clean-up projects include the 2008 OU 10-08 Record of Decision, completion of EM by 2012, Idaho Nuclear Technology and Engineering Center Tanks, INEEL CERCLA Disposal Facility, and the Radioactive Waste Management Complex. The objective of this effort was to develop prioritized operational needs and uncertainties that would assist Operations in remediation and clean-up efforts at the INEEL and develop a proposed path forward for the development of science strategies to address these prioritized needs. Fifteen needs/uncertainties were selected to develop an initial approach to science strategies. For each of the 15 needs/uncertainties, a detailed definition was developed. This included extracting information from the past interviews with Operations personnel to provide a detailed description of the need/uncertainty. For each of the 15 prioritized research and development needs, a search was performed to identify the state of the associated knowledge. The knowledge search was performed primarily evaluating ongoing research. The ongoing research reviewed included Environmental Systems Research Analysis, Environmental Management Science Program, Laboratory Directed Research and Development, Inland Northwest Research Alliance, United States Geological Survey, and ongoing Operations supported projects. Results of the knowledge search are documented as part of this document.
Alan K. Yonk
Diet of southern toads (Bufo terrestris) in loblolly pine (Pinus taeda) stands subject to coarse woody debris manipulations.
ABSTRACT In the southeastern United States, coarse woody debris (CWD) typically harbors high densities of invertebrates. However, its importance as a foraging substrate for southeastern amphibians is relatively unknown. We examined effects of CWD manipulations on diet composition of southern toads (Bufo terrestris) in upland loblolly pine (Pinus taeda) stands in the Coastal Plain of South Carolina. Twelve 9.3-ha plots were assigned one of the following treatments: removal- all CWD _10 cm in diameter and _60 cm long removed; downed- five-fold increase in volume of down CWD; and unmanipulated control stands. We collected southern toads _4 cm snout-vent length (SVL) during 14 d sampling periods in June and October 2002, June 2003 and during a 28 d sampling period in April 2003. We collected 80, 36 and 35 southern toads in control, downed and removal treatments, respectively. We found no difference in relative abundance or frequency of invertebrate groups consumed among treatments (P.0.05). Average body weight (g), SVL (cm) and stomach content weight (g wet) of individuals also were similar among treatments (P . 0.05). The role of CWD as a foraging substrate for southern toads in loblolly pine stands of the southeastern Coastal Plain may be negligible, at least in the early stages of decay.
Moseley, Kurtis R.; Steven B. Castleberry; James L. Hanula; Mark Ford.
To identify effects of chronic internal and external radiation exposure for components of terrestrial ecosystems, a comprehensive study of Scots pine trees in the Chernobyl Exclusion Zone was performed. The experimental plan included over 1,100 young trees (up to 20 years old) selected from areas with varying levels of radioactive contamination. These pine trees were planted after the 1986 Chernobyl Nuclear Power Plant accident mainly to prevent radionuclide resuspension and soil erosion. For each tree, the major morphological parameters and radioactive contamination values were identified. Cytological analyses were performed for selected trees representing all dose rate ranges. A specially developed dosimetric model capable of taking into account radiation from the incorporated radionuclides in the trees was developed for the apical meristem. The calculated dose rates for the trees in the study varied within three orders of magnitude, from close to background values in the control area (about 5 mGy y{sup -1}) to approximately 7 Gy y{sup -1} in the Red Forest area located in the immediate vicinity of the Chernobyl Nuclear Power Plant site. Dose rate/effect relationships for morphological changes and cytogenetic defects were identified and correlations for radiation effects occurring on the morphological and cellular level were established.
Farfan, E.; Jannik, T.
ORIGINAL CONTRIBUTION Association of White Matter Hyperintensity Volume
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California at Davis, University of
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MOF Coating a Promising Path to White LEDs
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Chaudhuri, Surajit
Karen, White, Appeal of Honeywell International, Inc. ASBCA No...
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White County REMC- Residential Geothermal Heat Pump Rebate Program
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White House Solar Champions of Change- Watch Now
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White Creek and Nine Canyon wind farms Fact Sheet
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Advances in Chip Technology, Packaging Enable White LED Breakthroughs
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White organic light-emitting diodes: Status and perspective
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Reineke, Sebastian
New report from White House outlines largest problems facing...
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Deep Frames, White Men's Discourse, and Black Female Bodies
In this qualitative study, I examine the persistent trend of black women as an excluded relationship partner for white men. Integral to understanding the exclusion of black women as relationship partners is the construction of black female bodies...
Slatton, Brittany C.
White organic light-emitting diodes (OLEDs) are ultra-thin, large-area light sources made from organic semiconductor materials. Over the last decades, much research has been spent on finding the suitable materials to realize highly efficient monochrome and white OLEDs. With their high efficiency, color-tunability, and color-quality, white OLEDs are emerging to become one of the next generation light sources. In this review, we discuss the physics of a variety of device concepts that are introduced to realize white OLEDs based on both polymer and small molecule organic materi als. Owing to the fact that about 80 % of the internally generated photons are trapped within the thin-film layer structure, we put a second focus on reviewing promising concepts for improved light outcoupling.
Reineke, Sebastian; L�ssem, Bj�rn; Leo, Karl
The New Class of Dusty DAZ White Dwarfs
Our mid-infrared survey of 124 white dwarfs with the Spitzer Space Telescope and the IRAC imager has revealed an infrared excess associated with the white dwarf WD 2115-560 naturally explained by circumstellar dust. This object is the fourth white dwarf observed to have circumstellar dust. All four are DAZ white dwarfs, i.e. they have both photospheric Balmer lines and photospheric metal lines. We discuss these four objects as a class, which we abbreviate "DAZd", where the "d" stands for "dust". Using an optically-thick, geometrically-thin disk model analogous to Saturn's rings, we find that the inner disk edges are at >~0.1 to 0.2 Ro and that the outer disk edges are ~0.3 to 0.6 Ro. This model naturally explains the accretion rates and lifetimes of the detected WD disks and the accretion rates inferred from photospheric metal abundances.
Ted von Hippel; Marc J. Kuchner; Mukremin Kilic; Fergal Mullally; William T. Reach
Quantitative analysis of cerebral white matter anatomy from diffusion MRI
In this thesis we develop algorithms for quantitative analysis of white matter fiber tracts from diffusion MRI. The presented methods enable us to look at the variation of a diffusion measure along a fiber tract in a single ...
Maddah, Mahnaz
Solar Treatment for Mountain Pine Beetle Solar treatment may be appropriate in some areas of Colorado to reduce beetle populations in
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Carbon dioxide and energy flux partitioning between the understorey and the overstorey of a maritime pine forest during a year with reduced soil water availability
during an atypical year with long-lasting reduced soil water availibility. Energy balance closure1 Carbon dioxide and energy flux partitioning between the understorey and the overstorey of a maritime pine forest during a year with reduced soil water availability Nathalie Jarosz* , Yves Brunet
Responses of soil carbon, nitrogen and cations to the frequency and seasonality of prescribed burning in a Cape Cod oak-pine forest
, such as combinations of fire with mechanical treatments (e.g., soil scarification) to further promote grasses and forbsResponses of soil carbon, nitrogen and cations to the frequency and seasonality of prescribed disturbance regime of oak and pine forests that occupy sandy soils of the coastal outwash plain
We discuss the impact of residual nuclear burning in the cooling sequences of hydrogen-rich (DA) white dwarfs with very low metallicity progenitors (Z = 0.0001). These cooling sequences are appropriate for the study of very old stellar populations. The results presented here are the product of self-consistent, fully evolutionary calculations. Specifically, we follow the evolution of white dwarf progenitors from the zero-age main sequence through all the evolutionary phases, namely the core hydrogen-burning phase, the helium-burning phase, and the thermally pulsing asymptotic giant branch phase to the white dwarf stage. This is done for the most relevant range of main-sequence masses, covering the most usual interval of white dwarf masses�from 0.53 M {sub ?} to 0.83 M {sub ?}. Due to the low metallicity of the progenitor stars, white dwarfs are born with thicker hydrogen envelopes, leading to more intense hydrogen burning shells as compared with their solar metallicity counterparts. We study the phase in which nuclear reactions are still important and find that nuclear energy sources play a key role during long periods of time, considerably increasing the cooling times from those predicted by standard white dwarf models. In particular, we find that for this metallicity and for white dwarf masses smaller than about 0.6 M {sub ?}, nuclear reactions are the main contributor to the stellar luminosity for luminosities as low as log (L/L {sub ?}) ? �3.2. This, in turn, should have a noticeable impact in the white dwarf luminosity function of low-metallicity stellar populations.
Miller Bertolami, Marcelo M.; Althaus, Leandro G. [Facultad de Ciencias Astron�micas y Geof�sicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900 La Plata (Argentina)] [Facultad de Ciencias Astron�micas y Geof�sicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900 La Plata (Argentina); Garc�a-Berro, Enrique [Departament de F�sica Aplicada, Universitat Polit�cnica de Catalunya, c/Esteve Terrades 5, E-08860 Castelldefels (Spain)] [Departament de F�sica Aplicada, Universitat Polit�cnica de Catalunya, c/Esteve Terrades 5, E-08860 Castelldefels (Spain)
Acoustic white holes in flowing atomic Bose-Einstein condensates
We study acoustic white holes in a steadily flowing atomic Bose-Einstein condensate. A white hole configuration is obtained when the flow velocity goes from a super-sonic value in the upstream region to a sub-sonic one in the downstream region. The scattering of phonon wavepackets on a white hole horizon is numerically studied in terms of the Gross-Pitaevskii equation of mean-field theory: dynamical stability of the acoustic white hole is found, as well as a signature of a nonlinear back-action of the incident phonon wavepacket onto the horizon. The correlation pattern of density fluctuations is numerically studied by means of the truncated-Wigner method which includes quantum fluctuations. Signatures of the white hole radiation of correlated phonon pairs by the horizon are characterized; analogies and differences with Hawking radiation from acoustic black holes are discussed. In particular, a short wavelength feature is identified in the density correlation function, whose amplitude steadily grows in time since the formation of the horizon. The numerical observations are quantitatively interpreted by means of an analytical Bogoliubov theory of quantum fluctuations for a white hole configuration within the step-like horizon approximation.
Carlos Mayoral; Alessio Recati; Alessandro Fabbri; Renaud Parentani; Roberto Balbinot; Iacopo Carusotto
Contribution of White Dwarfs to Cluster Masses
I present a literature search through 31 July 1997 of white dwarfs (WDs) in open and globular clusters. There are 36 single WDs and 5 WDs in binaries known among 13 open clusters, and 340 single WDs and 11 WDs in binaries known among 11 globular clusters. From these data I have calculated WD mass fractions for four open clusters (the Pleiades, NGC 2168, NGC 3532, and the Hyades) and one globular cluster (NGC 6121). I develop a simple model of cluster evolution that incorporates stellar evolution but not dynamical evolution to interpret the WD mass fractions. I augment the results of my simple model with N-body simulations incorporating stellar evolution (Terlevich 1987; de la Feunte Marcos 1996; Vesperini & Heggie 1997). I find that even though these clusters undergo moderate to strong kinematical evolution the WD mass fraction is relatively insensitive to kinematical evolution. By comparing the cluster mass functions to that of the Galactic disk, and incorporating plausibility arguments for the mass function of the Galactic halo, I estimate the WD mass fraction in these two populations. I assume the Galactic disk is ~10 Gyrs old (Winget et al. 1987; Liebert, Dahn, & Monet 1988; Oswalt et al. 1996) and that the Galactic halo is ~12 Gyrs old (Reid 1997b; Gratton et al. 1997; Chaboyer et al. 1998), although the WD mass fraction is insensitive to age in this range. I find that the Galactic halo should contain 8 to 9% (alpha = -2.35) or perhaps as much as 15 to 17% (alpha = -2.0) of its stellar mass in the form of WDs. The Galactic disk WD mass fraction should be 6 to 7% (alpha = -2.35), consistent with the empirical estimates of 3 to 7% (Liebert, Dahn, & Monet 1988; Oswalt et al. 1996). (abridged)
Ted von Hippel
BLACK-WHITE BENCHMARKS FOR ALLEGHENY COUNTY Ralph Bangs, Christine Anthou, Shannon Hughes, Chris Shorter
BLACK-WHITE BENCHMARKS FOR ALLEGHENY COUNTY Ralph Bangs, Christine Anthou, Shannon Hughes, Chris-Hispanic white (white alone) population was 1,074,037. The purpose of this report is to assess the socioeconomic status of blacks and whites in Allegheny County based on 2000 census data. Current conditions
Sibille, Etienne
White-light flares: A TRACE/RHESSI overview H. S. Hudson
White-light flares: A TRACE/RHESSI overview H. S. Hudson Space Sciences Laboratory, University includes a "white light" imaging capability with novel characteristics. Many flares with such white. The spectral response of the TRACE white-light passband extends into the UV, so these data capture
Hudson, Hugh
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