PurposeThe authors investigate the relationship between instant messenger (IM) use and work performance, mediated by interruptions and two key indicators of the stress associated with technology use: overload and complexity.Design/methodology/approachThe authors validate this research model using partial least squares structural equation modelling (PLS-SEM) with data collected through a survey of 416 working professionals.FindingsThe data reveal that while IM use contributes minimally to work interruptions and to a greater extent to technological complexity, these two constructs fully mediate the direct influence of IM use at work on technology overload, and meanwhile significantly and directly contribute to work performance.Research limitations/implicationsThis research provides theoretical insights into the deployment of IM and its actual impacts in the workplace. To improve the generalisation of the findings, the authors call for more IM-related research in other countries, with more native theories and various methodologies in this domain.Practical implicationsThe level of stress generated through IM use is moderate, considering IM is not a significant contributor to work interruptions. Thus, despite the potential negative effects of IM communication, the positive effects of using IM at work prevail. As a result, the technology can be promoted as long as employees, their managers and the organisation as a whole are well prepared. Employees can transfer skills and behaviour from the personal setting to their work environment and thus may find an intrinsic motivation to make better use of the IM technology at work.Originality/valueThe authors argue that this research model is novel for its perspective on evaluating the actual impacts of IM use at work instead of the reasons of using it. The authors conceptualise the process to explain how IM contributes to interruptions and other technostress indicators in the working context, and the impact on performance. Contrary to some prior research, the authors find that overall IM applications do not have a negative impact on work performance, and instead may enhance it.


ACKNOWLEDGEMENTS I thank my research advisor, Dr. P.A. Vela for his guidance, support, and instilling in me the belief that careful modeling and persistence is key. I thank Dr. Collins for many useful comments during the writing process. I would also like to thank William Mantzel for many useful conversations regarding computer vision, and his friendship. I am grateful to my lab mates, Omar and Ibrahima, for their advice and many interesting conversations and group-meetings. Finally, I thank my parents for their unwaivering support and encouragement.


Union and intersection are mostly used as computation operators in the theory of fuzzy sets,but some other computation operators are needed sometimes in solving practical problems.Max and product operators were firstly used as computation operators of fuzzy sets whose distributive law was proved.Then the independence of random variables with fuzzy probability(RVFP) was introduced,with the characters of mathematical expectation of discrete RVFP proved.A new definition of variance of the discrete RVFP was given and its characters were proved on the basis of that the mathematical expectation is a fuzzy set.


Abstract. The construction of new towns is one of the oldest urban development policies for dealing with the problems of large cities in the world. Although the nature of these problems in large cities has changed in the modern era, urban planners have been able to use this policy to deal with today's problems by revising and reforming implementation principles and procedures. In Iran as in many other developing countries, the rapid growth of urbanization is not commensurate with the power to equip urban spaces and expand urban infrastructures. Since urban spatial distribution and population control have not been managed within the framework of a master plan based on sectoral and regional coordination, the subsequent problems have become so complex that require extensive planning and huge efforts for reaching a solution.  The present study is conducted under the title "an analysis of the development of new towns as a driving force in response to metropolitan needs" in order to analyze and evaluate the ways for developing new towns in planning second-level metropolitan areas in Tabriz, Iran, and to evaluate a sample of these towns in order to identify the issues related to the construction of these cities for developing a suitable model for successful planning in new towns. Besides identifying the status quo of new towns and revising the actions and operations in developing these towns, this objective and realistic evaluation can lead to solutions based on which we can continue to move ahead regularly, with higher levels of coordination, and in a relatively clearer situation by learning lessons from past experiences. In line with the objectives of this study, the researchers assess the need for planning and building new towns, select and evaluate a case for analysis (the new town of Sahand), and finally provide relevant suggestions and recommendations. The method used in the analyses and evaluations is deductive – the observation of procedures in developing a construction plan for the new town of Sahand. Suggestions are made based on the determinants of decision-making and authoritative areas.


In (1957) Ward characterized trees as being certain compact idempotent commutative monotone mobs. The purpose of the present note is to obtain a similar characterization for the semitrees as studied by Muenzenberger and Smithson (1973, 1975).


Abstract The 2006 coup d'état was far more than a simple case of military seizure of power. Rather, the 19 September 2006 coup is connected intimately with the monarchy in various respects. The "royalist military" legitimated the coup by using the royalist discourse that was generated by the anti-Thaksin movement and the massive celebrations of the king's 60th year on the throne. Having succeeded in overthrowing prime minister Thaksin Shinawatra, the coup makers thought they could secure the throne by ensuring loyal succession to the position of Army Commander-in-Chief in the medium term. To enhance military influence the "royal military" are also revitalising a Cold War relic, the Internal Security Operations Command (ISOC). In line with this political regression, it appears that military want to return Thailand to the years of "semi-democracy," when the military and bureaucracy had significant power over elected politicians.


Field experiments were conducted to study the effects of different soil improvement measures(river sand,zeolite,rice straw,herb residue,organic fertilizer) on physical and chemical properties of tobacco soil.The results showed that(i) except for applying river sand,soil improvement measures could decrease soil bulk density and increase soil porosity,and application of zeolite,rice straw and herb residue could greatly improve soil perviousness,and comparing with basic soil,soil bulk density reduced 0.06 g/cm3,soil porosity increased 2.21 %-2.86 %,(ii) soil improvement measures could decrease soil clay content and increase soil sandy particle content,and application of zeolite and organic fertilizer could greatly improve heavy texture,(iii) soil improvement measures had little influence on pH,and the content of organic matter,total nitrogen and available phosphorus increased to various degrees,(iv) application of organic fertilizer could greatly increase the content of organic matter,and the content of organic matter with other treatments were lower than basic soil,(v) application of zeolite and herb residue could decrease the content of available potassium,and that the content of available potassium with other treatments were more than basic soil.


Little work to date in sentiment analysis (classifying texts by `positive' or `negative' orientation) has attempted to use fine-grained semantic distinctions in features used for classification. We present a new method for sentiment classification based on extracting and analyzing appraisal groups such as ``very good'' or ``not terribly funny''. An appraisal group is represented as a set of attribute values in several task-independent semantic taxonomies, based on Appraisal Theory. Semi-automated methods were used to build a lexicon of appraising adjectives and their modifiers. We classify movie reviews using features based upon these taxonomies combined with standard ``bag-of-words'' features, and report state-of-the-art accuracy of 90.2%. In addition, we find that some types of appraisal appear to be more significant for sentiment classification than others.


Although a vast amount of experimental information is available on the elongation, compression, and folding of proteins in biochemical processes, very little is known about the real structure and molecular dynamics of DNA at an atomic level. Since this area of work is relatively new, this paper reports the results of computer simulation of elongation and compression of B-DNA structures providing new insights into high- energy forms of DNA implicated in these processes.


21 All model safety and building codes require fire sprinklers in new oneand two-family homes and 22 townhome construction. State and local jurisdictions adopt requirements contained in model codes. 23 Home fire sprinkler mandates often spark debate, including by water purveyors. As major stakeholders 24 in home fire protection, understanding the facts becomes crucial. 25 When faced with the possibility of communitywide adoption of fire sprinklers in all new home 26 construction, water purveyors face many issues and decisions. This report provides information specific 27 to home fire sprinkler standards. By understanding the fine points of home fire sprinkler water usage 28 and hydraulic requirements, water purveyors will glean an understanding of issues such as metering, 29 and infrastructure requirements. 30 This report also compiles the methods, procedures, and findings of several national studies presenting 31 evidence of the benefits that home fire sprinklers provide in protecting life and property, and in 32 conserving water and protecting the environment. Unrelated to each other, the studies yield similar 33 results. The sum of these benefits confirms the premise that fire sprinklers go beyond saving lives; they 34 are an asset to community sustainability. 35


GENESIS OF URANIUM MINERALIZATION IN THE LOWER PERMIAN WALCHIA SHALES (INTRA - SUDETIC TROUGH, SW POLAND) AND ITS FACIES CONTEXT

Summary
Lithofacies characteristic of the Lower Permian Walchia Shales from the Intra - Sudetic Depression was presented here. Several lithofacies were disinguished: calcareous black shales (A), black and dark-grey clayley and silty shales (B), grey sandy siltstones and fine sandstones (C), red mudstones and fine sandstones with intensive (D1) or weak (Dz) bioturbation, and conglomerates (E). Volcanic rocks of effusive complex such as andesites and ryolitic tuffs occurred within described deposits. Clastic deposits were accumulated within various zones of the lake, from well oxidized littoral zone up to highly reduced pelagic one. Deposits of alluvial fans had a local importance. Uranium mineralization, syngenetic or early diagenetic in origin, was connected mainly with lithofacies A. Also some subtle signs of epigenetic mineralization were found. Possible source of uranium for mineralized horizons of the Walchia Shales was - according to author – the Lower Permian volcanism, Variscan granitoids of the Karkonosze Mts and the Lower Carboniferous volcanic rocks. The Lower Permian volcanism, synchronous with uranium-bearing deposits, could be regarded as significant catalyzer of uranium solution processes from alimentary areas. Alcaline solutions, generated during tuff weathering, enlarged considerably the chemical activity of ground waters, infiltrating rocks in alimentary areas.


THE composition of faecal lipids is the result of the overall lipid metabolism of the intestine. UlTnabsorbed dietary fats contribute to faecal lipids, as shown by balance studies. When animals are on a fat-free diet, excreted lipids derive from bacteria, bile, intestinal secretions, and desquamated mucosal cells (Lewis and Partin, 1954). The relative contribution of the bacterial and endogenous sources to faecal lipids been investigated by Sperry who 40 per faecal lipids be chain fatty acids


In this study, we tested the performance and perspectives of four full-scale biotrickling filters based on Leca® (Light Expanded Clay Aggregates), a mechanically stable, non-degradable filter media, known to absorb odorous compounds such as H 2 S and methanethiol. The four filters varied in: filter thickness, carrying media, and the presence of dust filters. Biological Leca® filters were found to be capable of reducing NH 3 , H 2 S and odour by up to 96%, 80% and 78%, respectively. Clogging was observed to occur after approximately 100 days, but the installation of a dust filter successfully eliminated this problem.


Childhood‐onset systemic lupus erythematosus (cSLE) comprises 15–20% of patients with SLE. Although several studies have reported the outcomes of adult‐onset SLE, few investigations have been conducted on cSLE in the Middle East.


We show that separating metallic from semiconducting carbon nanotubes by dielectrophoresis is developing towards a bulk separation method, which allows for the first time to produce thin films of only metallic single-walled carbon nanotubes and to measure their optical absorption spectra. The data proofs that the selectivity of the separation scheme is independent from the nanotube diameter.


The present invention discloses a disposable article comprising fibers, the fibers are formed from a composition comprising a thermoplastic polymer and a wax, wherein said wax is dispersed throughout the thermoplastic polymer.


PurposeMaintenance organizations continue to be under pressure to systematically eliminate maintenance wastes and deliver services that their customers value. To this end, maintenance managers are implementing lean maintenance practices. But how does one consistently estimate the leanness of these practices in their organization? The purpose of this paper is to develop a framework for a metrics – referred to as the lean maintenance index (LMI) that can help managers estimate the leanness of maintenance practices.Design/methodology/approachBased on a comprehensive review of literature in the domain, this study identifies four factors and nineteen subfactors that are essential for the success of a lean maintenance program. A fuzzy-set-theory-based assessment framework is developed that can be used by an in-house team to measure the degree of implementation of lean maintenance practices in their organization. The authors applied the framework to a maintenance workshop that services diesel engines and other prime movers.FindingsThe framework provides maintenance managers valuable insights to help identify the strengths and weaknesses of their organization vis-à-vis their maintenance practices, thus enabling them come up with a firm action plan for future process improvements.Originality/valueThis paper adapts the concept of agility and readiness to maintenance work. A key contribution of this study is the identification of factors and subfactors that forms the basis to estimate the leanness of maintenance practices in an organization. Another contribution is its application to a large maintenance workshop that demonstrates the ease of its implementation. Future research in this area can help identify more factors and subfactors and thus improve the estimation of leanness.


Purpose— The aim of this guideline is to present current and comprehensive recommendations for the diagnosis and treatment of aneurysmal subarachnoid hemorrhage (aSAH). Methods— A formal literature search of MEDLINE (November 1, 2006, through May 1, 2010) was performed. Data were synthesized with the use of evidence tables. Writing group members met by teleconference to discuss data-derived recommendations. The American Heart Association Stroke Council's Levels of Evidence grading algorithm was used to grade each recommendation. The guideline draft was reviewed by 7 expert peer reviewers and by the members of the Stroke Council Leadership and Manuscript Oversight Committees. It is intended that this guideline be fully updated every 3 years. Results— Evidence-based guidelines are presented for the care of patients presenting with aSAH. The focus of the guideline was subdivided into incidence, risk factors, prevention, natural history and outcome, diagnosis, prevention of rebleeding, surgical and endovascular repair of ruptured aneurysms, systems of care, anesthetic management during repair, management of vasospasm and delayed cerebral ischemia, management of hydrocephalus, management of seizures, and management of medical complications. Conclusions— aSAH is a serious medical condition in which outcome can be dramatically impacted by early, aggressive, expert care. The guidelines offer a framework for goal-directed treatment of the patient with aSAH.


This paper analyzes the existing problems of production practice in mechanical engineering major.It puts forward some solutions:"elaborately establish 、organize school Enterprise 、separately implement 、responsible for project" to them,for improving the productive practice quality.


We study the stochastic dynamics of a renewable resource harvested by a monopolist facing a downward sloping demand curve. We introduce a framework where harvesting sequentially affects the resource's potential to regenerate, resulting in an endogenous ecological regime shift. In a multi-period setting, the firm's objective is to find the profit-maximizing harvesting policy while simultaneously detecting in the quickest time possible the change in regime. Encapsulating the idea of environmental surveillance, the use of quickest detection method allows us to easily translate our framework to real-time detection. Solving analytically, we show that a negative regime shift induces an aggressive extraction behaviour due to a combination of faster detection, a sense of urgency, and higher markups. Precautionary behaviour can result due to increasing resource rent. We study the probability of extinction and show the emergence of catastrophe risk which can be both reversible and irreversible.


The weighted density-functional theory is applied to investigate the free-energy landscape of dense supercooled liquids. Metastable states intermediate to the liquid and crystal phases are found, which can be identified with the supercooled states seen in computer simulations. These states are marked by a lower degree of mass localization as compared to the highly localized state termed as "hard-sphere glass" found in earlier studies. We evaluate the free energy using the modified weighted density approximation (MWDA), as formulated by Denton and Ashcroft (1989) Phys. Rev. A , 39 , 4701. The inhomogeneous density is parametrized in terms of Gaussian profiles centered around random lattice sites. The effects of heterogeneity coming from a fluctuation of the width of these Gaussian profiles show that the free energy of the system increases with increase in the fluctuations and, finally, the metastable minima disappear with growing fluctuations.


SUMMARY The'empty'sella syndrome is now a more frequent diagnosis due to the increased use of pneumoencephalography in the evaluation of the enlarged pituitary fossa. This syndrome has also been classified into a'primary'form in which there has been no prior pituitary irradiation or surgery, and a 'secondary' form in which the empty sella is found after such procedures. Most patients with the primary empty sella syndrome are found to have normal pituitary function while about 30% have varying degrees of hypopituitarism (Neelon et al., 1973).


The invention discloses a medicinal composition for treating threatened abortion and habitual abortion and a preparation method thereof, and relates to the field of Chinese medicaments. The medicinal composition for treating threatened abortion and habitual abortion is prepared from the following Chinese medicinal raw materials: yam, teasel root, astragalus mongholicus, Chinese angelica, rhizoma cibotii (dehaired), Chinese dodder seed, Chinese taxillus twig, eucommia (fried), malaytea scurfpea fruit, hairy asiabell root, poria and bighead atractylodes rhizome (fried). The medicinal composition has the effects of tonifying spleen and reinforcing kidney, and nourishing blood and preventing abortion, and is used for kidney-deficiency and vital energy-blood deficiency threatened abortion and habitual abortion.


The sensitivity achievable by a pair of VIRGO detectors to stochastic and isotropic gravitational wave backgrounds of cosmological origin is discussed in view of the development of a second VIRGO interferometer. We describe a semi-analytical technique allowing to compute the signal-to-noise ratio for (monotonic or non-monotonic) logarithmic energy spectra of relic gravitons of arbitrary slope. We apply our results to the case of two correlated and coaligned VIRGO detectors and we compute their achievable sensitivities. The maximization of the overlap reduction function is discussed. We focus our attention on a class of models whose expected sensitivity is more promising, namely the case of string cosmological gravitons. We perform our calculations both for the case of minimal string cosmological scenario and in the case of a non-minimal scenario where a long dilaton dominated phase is present prior to the onset of the ordinary radiation dominated phase. In this framework, we study possible improvements of the achievable sensitivities by selective reduction of the thermal contributions (pendulum and pendulum's internal modes) to the noise power spectra of the detectors. Since a reduction of the shot noise does not increase significantly the expected sensitivity of a VIRGO pair (in spite of the relative spatial location of the two detectors) our findings support the experimental efforts directed towards a substantial reduction of thermal noise.


Objective
The aim of this study was to evaluate the effect of human umbilical cord mesenchymal stem cell transplantation on the degree of intima, middle membrane and lumen stenosis after abdominal aorta injury in rabbits.

Methods
Twenty male 20 New Zealand white rabbits were divided into control group and experimental group with each 10 rabbits. The abdominal aorta injury models were made by balloon dilation in two groups. In the experimental group, the 1×107/kg umbilical cord mesenchymal stem cells were injected into the vascular of the abdominal aorta of the rabbit from the side hole of the balloon catheter. The control group was injected with the same amount of normal saline by the same method. 4 weeks after, the rabbit were killed, rabbit abdominal aorta intimal thickness (IT), intimal area (IA), vascular media thickness (MT) and area (MA) and the degree of stenosis were measured and compared between the two groups; The α-smooth muscle actin (α-SMA) expression in rabbit vascular smooth muscle were compared between two groups.

Results
The IT [(1.63±0.29) mm vs. (0.68±0.11) mm, t=9.680, P=0.0001], IA [(4.11±1.23) mm2 vs. (1.42±0.56) mm2,t=6.290, P=0.0001], MT [(2.31±0.47) mm vs. (1.88±0.31) mm, t=2.420, P=0.026] and MA [(6.32±1.66) mm2 vs. (4.02±1.06) mm2,t=3.690, P=0.0017] in experiment group were significant lower than that of control group. The degree of stenosis in the control group and the test group were (72.2±8.4)% and (35.0±8.6)% respectively with statistical difference (t=9.790, P=0.000); α-SMA was brownish brown granules under optical microscope with the positive expression rate of 0.12±0.04 and 0.48±0.05 in the control and experiment groupers respectively with statistical difference (t=17.780, P=0.0001).

Conclusion
Human umbilical cord mesenchymal stem cell transplantation can significantly reduce the degree of vascular stenosis after abdominal aorta injury in rabbit and promote the expression of alpha -SM-actin in the membrane.

Key words:
Umbilical cord mesenchymal stem cells; Abdominal aorta injury; Arterial stenosis


Conflict-avoiding codes (CACs) have been used in multiple-access collision channel without feedback. The size of a CAC is the number of potential users that can be supported in the system. A code with maximum size is called optimal. The use of an optimal CAC enables the largest possible number of asynchronous users to transmit information efficiently and reliably. In this paper, a new upper bound on the maximum size of arbitrary equi-difference CAC is presented. Furthermore, three optimal constructions of equi-difference CACs are also given. One is a generalized construction for prime length $L=p$ and the other two are for two-prime length $L=pq$.


The aim of this work was to evaluate the interactive effects of different rates of nitrogen and potassium fertilisation on the phenolic composition of grape berries during ripening. To achieve this objective, in 2000 a trial was carried out in a Tempranillo vineyard located in the 'Ribera de Duero' Apellation d'Origine area (Spain). The plants were treated with three nitrogen (0, 50 and 200 g N per vine) and three potassium (0, 60 and 120 g K2O per vine) doses, applied as ammonium nitrate and potassium sulphate respectively, in a randomised complete block design with four replications. The rate of fertilisation did not significantly affect either the vigour or productive capacity of the vines or the size of the berries. However, high nitrogen doses caused a substantial delay in the accumulation of sugars during ripening compared with other treatments. High potassium supplies caused decreases in the total acidity of the berries but did not affect the chromatic parameters of the must at harvest. Three different stages could be distinguished in the development of total polyphenol contents in grape skins during ripening: a slow initial increase, a sharp accumulation during the fifth and sixth weeks after veraison and a final period of reduction until harvest. The vines with no added nitrogen showed more accumulation of polyphenols in the skin than those with other treatments, especially during the last few weeks of sampling. These differences between nitrogen treatments became less as the potassium fertilisation dose was increased. The nitrogen dose of 50 g N per vine increased the levels of anthocyanins in the skin (600 mg l−1 standard extract) compared with the untreated control vines (532 mg l−1), and this significantly increased the colour density of the must. The degree of polymerisation of condensed tannins decreased when the ratio N:K was balanced and the amounts of both nutrients applied were high. Copyright © 2004 Society of Chemical Industry


The implementation of mass sports policies is inseparable from the economic,political and socio-cultural environment. Using Smith's environmental factors model of policy implementation as the framework of analysis,this paper analyzes the environmental factors involved in actual implementation of mass sports policies. The paper suggests some main routes to improving these factors: coordinating economic interests,abiding by the law,developing active citizenship,and raising the degree of organization in sports activities.


The paper presents the results of a study on the influence of breeding site habitat of the White Stork Ciconia ciconia on breeding parameters, conducted 2000 to 2014 in Eastern Poland. During that period, the average White Stork density increased from 21.4 pairs/100 km2 to 38 pairs/100 km2 (overall mean: 29.7 pairs/100 km2). The average number of nestlings per pair (JZa) and per successful pair (Jzm) was 2.98 and 3.00 respectively. A total of 2,711 young storks were raised, with an annual mean of 181. The productivity of the population in a particular season was significantly correlated only with the average surface water level of the Liwiec river in May. There were no significant correlations of the reproductive success of the population with the number of occupied nests, population size, cattle density, and area of land covered by agri-environmental projects in a particular breeding season or in previous years.


M.J. Riddoch, Neglect and the Peripheral Dyslexias. M. Behrmann, M. Moscovitch, M.C. Moser, Neglect Dyslexia in the Laboratory: Evidence from Normal Subjects and a Computational Model. A. Caramazza, A.E. Hillis, Levels of Representation, Coordinate Frames and Unilateral Neglect. M. Farah, M.A. Wallace, Pure Alexia as a Visual Impairment: A Reconsideration. J. Kay, J.R. Hanley, Simultaneous Form Perception and Serial Letter Recognition in a Case of Letter-by-Letter Reading. K. Patterson, B. Wilson, A Rose is a Nose: A Deficit in Initial Letter Identification. B.C. Rapp, A. Caramazza, Spatially Determined Deficits in Letter and Word Processing. M.J. Riddoch, P. Cleyton, P. Fery, G.W. Humphreys, Interaction of Attentional and Lexical Processes in Neglect Dyslexia. E. Sieroff, Focusing in on Verbal Visual Stimuli in Patients with Parietal Lesions. A.W. Young, F. Newcombe, A.W. Ellis, Different Impairments Contribute to Neglect Dyslexia. E. Warrington, Right Neglect Dyslexia: A Single Case Study.


Using small colloidal clusters with dumbbell, triplet, tetrahedral, octahedral geometry as elementary building blocks, we investigate the templated-assisted cluster-cluster aggregation into hierarchical clusters, namely superclusters, by means of Monte Carlo simulations. We find that the colloidal superclusters made of dumbbells and triplets produces a unique structural motif that is similar to that of clusters of single colloids, whereas the superclusters composed of tetrahedral and octahedral clusters possess a more complex structure. However, despite their complexity, such structures can be predicted based on a decomposition using triplets as a core and the number of initial "building block" clusters. In particular, a majority of the observable superclusters are members of a particular category of nonconvex deltahedra (Cundy deltahedra). These findings could be useful in preparation of complex colloidal molecules.


The present work deals with the fabrications and characterizations of nanocomposite anion exchange membranes composed of quaternized titanate nanotubes (QTNT) and quaternized poly(arylene ether ketone)s (QPAEK) for fuel cell applications. QTNT was synthesized by coupling reaction of (3‐chloropropyl) trimethoxy silane on titania nanotubes (TNT) and Menshutkin reaction with trimethylamine. The nanocomposite membranes were prepared by the facile solvent casting method. The introduction of the quaternary ammonium groups generates strong interfacial interactions and contributes to the better compatibility between the QPAEK and QTNT. A rather small amount of QTNT (no more than 1 wt.%) incorporated into the membrane substantially enhanced the performance of the obtained QPAEK/QTNT nanocomposite membranes, including the better solvent resistance, dimensional stability, ion conductivity, chemical stability and fuel cell performance. The QPAEK/QTNT‐1 membrane exhibited an appreciable ion conductivity of 52.5 mS cm−1, swelling ratio of 10% at 80 °C. It also produced the maximum power density of 62.8 mW cm−2, which was 1.4 times as high as that for the control QPAEK membrane (46.1 mW cm−2) in a H2/O2 fuel cell at 80 °C and 100% relative humidity (RH). It gives good prospect for the QTNT as inorganic nanofillers in polymer electrolyte membrane fuel cell applications.


This chapter details Ernst Kantorowicz's departure from Germany and arrival in the United States. On the night of November 9, 1938, the Nazis unleashed their fury against Jews in "the night of broken glass" (Kristallnacht). Kantorowicz all but certainly would have been arrested in the morning and shipped to the Sachsenhausen concentration camp had he not been sheltered. When the danger passed he managed to obtain the necessary visas. Then, at the beginning of December, he crossed the border to Holland and from there ferried to England. Two months later he sailed for New York. His preparations for departure owed much to the helpfulness of friends, particularly Theodor Mommsen, who had emigrated to America in 1936.


This research investigates students' ability in writing skill in the intermediate stage during the academic year 2018/2019. The research followed the analytical descriptive approach in which a test was given to a sample of (300) students in the middle stage in Arar city in Saudi Arabia. The results showed there were no statistically significant differences in students' ability level in writing skills according to gender variable. The results revealed that there were statistically significant differences in the students' ability level in writing skills according to the grade variable in favor of the third-grade average. The researchers recommended the need to increase the Arabic language teachers' awareness of the importance to develop some writing skills such as writing Hamza (a glottal stop) and writing Nunation.


The purpose of this article is to discuss the diverse strategies utilized by
Sampson and Laub (1993; Laub and Sampson, 2003) to integrate quantitative
and qualitative data when formulating their Age-graded Theory of Informal
Social Control. As a result, some theoretical and methodological criticisms to this theory are presented and it is assessed the mixed research model used to
determine the continuity and desistance processes of antisocial behavior among
young people during the life course.


Neuroprotection and repair are two of the biggest unmet therapeutic needs in people with progressive multiple sclerosis (MS). Despite recent positive trials of ocrelizumab and siponimod, the process of drug discovery for these needs remains painfully slow and difficult. This contrasts with the situation in relapsing MS, where there is an efficient pathway for discovering drugs to prevent relapse: the effects of candidate drugs on what has emerged as the dominant underlying pathology (inflammation) can be assessed with an magnetic resonance imaging (MRI) biomarker (lesion activity), which also correlates with meaningful clinical outcome (relapse).1


DNA fingerprints, based on Enterobacterial Repetitive Intergenic Consensus (ERIC) sites, were investigated as an alternative technique to Vegetative Compatibility Grouping (VCG) in studying populations of Fusarium oxysporum Schlecht. emend. Snyd. & Hans. Isolates of F. oxysporum were recovered from orchids displaying visible signs of root rot. Fifty-two isolates were collected and analysed using both the ERIC DNA fingerprinting technique and Vegetative Compatibility Grouping. Isolates were divided into 17 ERIC groups and 37 VCG groups. Based on its lower level of sensitivity and its rapid and reproducible result, the ERIC DNA fingerprinting was found to be a more appropriate technique for studying diverse populations of F. oxysporum.


The VME64x standard includes a double data rate block transfer cycle known as 2eSST. In order to achieve the maximum bandwidth, 64-bit words are exchanged in bursts across the backplane without handshake between master and slave. Data is clocked by both the falling and rising edges of a single strobe line driven by the data producer. Transfer rates up to 320 Mbyte/s are presently supported: the standard also foresees even faster speed grades, to be released in the future. In this paper we present our tests on 2eSST beyond the actual limit set by the protocol. Bit error rate (BER), data timing jitter and eye-diagrams have been measured for selected bus layouts and data patterns. Performance achieved with and without the bus-Invert encoding of the transmitted payloads are compared. Our results show that on a 21 slot VME64x backplane reliable transfers can be sustained with selected loads up to 800 MByte/s with a 10-12 BER .


The invention belongs to the technical field of electromechanical control, and particularly relates to a system for utilizing an old mobile intelligent terminal. The invention provides a system for utilizing the old mobile intelligent terminal, and the system is capable of improving the intelligentization degree of electromechanical equipment and is low in cost. The system for utilizing the old mobile intelligent terminal includes a mobile intelligent terminal, a data conversion module, a single-chip microcomputer module and electromechanical equipment, the structural features are that the mobile intelligent terminal communicates with the data conversion module, a signal transmission port of the single-chip microcomputer module is connected with a signal transmission port of the data conversion module and a signal transmission port of a control detection module of the electromechanical equipment, and the mobile intelligent terminal exchanges information with a server through the Internet.


Two series of diorganotin(IV) complexes with dihalogenobenzohydroxamate ligands (substituents = 2,4-Cl2, 2,4-F2, 3,4-F2, 2,5-F2, 2,6-F2), formulated as [R2Sn(HL)2] (a), and the arylhydroxamato/arylcarboxylato mixed-ligand complexes [R2Sn(HL)(L′)] (b), were prepared and characterized by FT-IR, 1H, 13C and 119Sn NMR spectroscopies, elemental analyses and melting point measurements. X-ray diffraction analysis was also carried out for the complex [Me2Sn{3,4-F2C6H3C(O)NHO}2], 1a. These compounds exhibit in vitro cytotoxic activities towards human leukemic promyelocites HL-60, BGC-823, BEL-7402 and KB cell lines which, in some cases, are identical to, or even higher than, that of cisplatin. The type, position and number of the X substituents in the phenyl ring play a role in the cytotoxic activity, and complex 8a, with its 2,6-difluorobenzohydroxamato ligand, is highly active against all tumor cells. A tentative structure–activity relationship is also described. Copyright © 2007 John Wiley & Sons, Ltd.


This article reports the results of a study that explored the possibilities and limitations of service-learning by deconstructing the narratives about HIV/AIDS that emerged from five college students who participated in an alternative spring break program. Employing a critical (Rhoads, 1997) and anti-foundational (Butin, 2010) approach to inquiry, results suggest that perspective transformation and analysis of root causes will not occur automatically for most students.


Background: Pancytopenia is a relatively common hematological entity. It may result from relatively benign causes such as viral infections and
vitamin B12/folic acid deciency to more fatal bone marrow aplasia and leukaemias. The severity of pancytopenia and the underlying pathology
determine the management and prognosis.
Objectives: To study the etiology and clinic-hematological prole in patients of peripheral blood pancytopenia.
Materials And Methods: This was a retrospective study conducted at G S Medical College, Hapur and Noida international institute of Medical
Sciences Greater Noida, during the period of November 2017 to November 2020
Results: A total of 192 patients (103 males and 89 females) were diagnosed to have pancytopenia. Most of the patients presented with generalized
weakness and fever. The commonest physical nding was pallor, followed by splenomegaly. The various causes of pancytopenia included
infections(n=132), megaloblastic anaemia (MA)(n=46), drugs, aplastic anaemia and subleukaemic leukaemia. We found a signicant association
between megaloblastic anaemia and pancytopenia.
Conclusion: The present study concluded that infection and megaloblastic anaemia are the most common cause of pancytopenia. The more serious
disorders affecting the bone marrow constitute only <5% of all cases of pancytopenia.


And a control circuit, the first are connected to the electrical coil, wherein the first electrical coil, a first electronically controlled switch responsive to the control circuit, the first electrical coil in response to the closed state of the first electronically controlled switch a second electronically controlled switch and the first electronically controlled switch, which is arranged to charge the second electronically controlled switch when the closure is arranged to provide a substantial short circuit across said first electrical coil, responsive to the control circuit and, the power converter comprising a second electronically controlled switch is not arranged to charge or discharge the first electrical coil.


Within a few years of their widespread introduction into the environment, there were major concerns about the effects of man-made chemicals on wildlife in Canada. Biologists have found evidence of endocrine disruption in at least 16 species of birds (particularly fish-eating and predatory species), 3 species of terrestrial mammals and 1 whale, 1 reptile and several amphibians. These effects were seen in the Great Lakes, areas polluted with pulp and paper effluents, the forests of New Brunswick, a variety of agricultural habitats, acidified lakes in Nova Scotia, major rivers and inshore coastal waters, and the Arctic. They include decreased reproductive success, gross congenital abnormalities and interference with developmental/regenerational processes; thyroid dysfunction; metabolic abnormalities; feminization/demasculinization; alterations in sex ratios; altered brain development and behaviour; and altered immune function. These sublethal effects have the potential to alter an individual's quality of life, its survival, or reproductive fitness. Morbidity and mortality are rarely detected and grossly underestimated in wildlife populations and we are likely to have underestimated the occurrence, prevalence and severity of endocrine disruption in wildlife. There is no formal existing program in Canada for gathering long-term evidence for determining trends in the incidence and severity of effects in organisms. All of the information on endocrine disruption in Canadian wildlife reported in this review was gathered as a result of academic research or research-based monitoring. Much greater effort must be made to systematically detect and identify a much broader range of man-made chemicals, both persistent and nonpersistent, and their metabolites in wildlife tissues and environmental media. These efforts should be complimented by parallel measurements of various biological activities of extracts of the same wildlife tissues and environmental media. This monitoring information would then point to specific locations, effluents, agricultural practices, industrial processes, and products where investigations of effects should be conducted and to species and functions potentially at risk.


Sr0.8Bi2Ta2O9 (SBT) ferroelectric film constructed on Al2O3/Si to form metal–ferroelectric–insulator–semiconductor (MFIS) was prepared to study the degradation behavior of SBT films under forming gas annealing (FGA). Although the diffusion of hydrogen ions has been detected during FGA treatment, no significant differences in the microstructure and crystalline phase are observed for the SBT film compared to that without FGA treatment. However, the diffusion of hydrogen ions leads to the rapid decrease in the dielectric constant but shows no apparent influence on the memory window of Sr0.8Bi2Ta2O9/Al2O3/Si capacitors. In addition, it was found that FGA shows a positive effect on the leakage current of MFIS in contrast to that of metal/ferroelectric/metal structure. The leakage current density of MFIS dramatically decreases as much as two orders of magnitude after FGA at 500 °C compared to that without FGA treatment that was attributed to the reduced defects at the interface of Al2O3/Si.


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Verdi's settings—parlante, melody without obvious pattern, modification of a 'motif conducteur', and isometric setting—is 'striking' (p. 207). His results, however, reflect Verdi's development only when quantified and compared with the composer's treatment of the most closely related Italian metre (the settenario doppio, which is, however, rare before Verdi's collaboration with Boito) or his approaches in Jérusalem (1847) and Don Carlos (1867), a study Colas indicates he is in the process of undertaking. With regard to the methodology, we might also consider including parameters beyond metric, dynamic, and diastematic accents of the melody to include phrasing and the role of the accompaniment. The latter, for example, can obscure metric accents and thus accommodate accentual irregularity that might otherwise sound unnatural (see Andreas Giger, 'The Triumph of Diversity: Theories of French Accentuation and their Influence on Verdi's French Operas', Music & Letters, 84 (2003), 55–83). Gilles de Van's comparison of Daniel-FrançoisEsprit Auber's Gustave III, ou Le Bal masqué and Verdi's Un ballo in maschera once again centres on the issue of dramaturgy. By modelling his libretto for Verdi on Eugène Scribe's for Auber, Antonio Somma continued the practice (studied in Fabiano's essay) of drawing on French sources, but in this case the Italian work has generally been deemed superior. Nevertheless, De Van shows that each opera, within its aesthetic context, is consistent and successful: while Gustave III focuses on the celebration of King Gustave as a sumptuous, likeable 'orléaniste' ruler and patron of the arts, Un ballo in maschera emphasizes Riccardo's ultimately fatal affair with Amelia, to which everything else is subservient. These distinctions reflect, of course, the aesthetic ideals of French Grand Opera and Italian melodramma, and it is somewhat surprising that De Van intended to conduct his comparison without considering the conventions of the time (p. 226). In fact, his treatment highlights these conventions, thereby increasing our appreciation of both works. Music examples would have been helpful to illustrate how in Auber's trio from Act II (no. 6) a melody sung by Amélie is 'voluptuous rather than dramatic' (p. 228) or how 'the love of Amélie and Gustave has a more passionate tone in the grand duo of act III, which stresses the voluptuous fever rather than the passion and the suffering' (loc. cit.). As elsewhere in this book, the purpose of the one music example, reproduced in Plate 14, remains unclear since it is not keyed to any specific passage of the text. The book concludes with a long essay by Karen Henson on the reception of Aida at the Paris Opéra, where it was first performed in 1880, more than eight years following the premiere in Cairo and four years after the French premiere at the Théátre Italien. The author focuses on the relationships between the exotic subject matter, staging, and national identity and the way in which Aida was appropriated by the French as a work of their own. Besides translating the work into French, the Opéra concentrated on the mise en scène, an aspect that more than any other had come to symbolize national pride. In the case of Aida, Henson reminds us, the Opéra was constrained by the disposizione scenica produced by Ricordi under Verdi's supervision on the occasion of the Italian premiere at La Scala. Verdi considered the disposizione scenica binding for future performances anywhere, which explains, according to Henson, why the Opéra did not produce its own livret de mise en scène. She also suggests that the French premiere at the Théátre Italien had already outdone the Scala production in splendour and that the Cairo opera, with its emphasis on historical accuracy, had already planned Aida in the spirit of a French grand opera, thus further raising the stakes for the Opéra. Producing evidence in the form of published and unpublished documents, including letters and sketches of costumes and stage properties as well as their annotations, Henson suggests that the Opéra, in its zeal for 'archaeological accuracy', overshot its mark, using the stage to display research rather than a realistic illusion of Egypt. This volume of essays offers a truly representative cross-section of scholarship in the field of the reciprocal influences of French and Italian opera. It includes essays of high quality and is beautifully produced. The writing, however, is of uneven quality, and the reader may wonder whether the essays were largely assembled without editorial scrutiny; the misnumbering of the plates throughout Henson's article, for example, seems to indicate as much. Despite these inconsistencies, this is an indispensable book for anyone interested in the cultural and stylistic exchange between French and Italian opera. ANDREAS GIGER doi:10.1093/ml/gci114


The purpose of this study was to judging the right way to contemporary architecture after post-modernism is expressed in a way that has various physical properties as contemporary society changes into networks of transient events involving diversity. The study is focused on ephemerality by Aldo rossi, Bernard tschumi and Ito toyo of the architecture compare with stage. because drama representative of ephemerality and it is showing life in a compact. The results of this study were as follows; The space required for contemporary architecture is a flexible space, which is not a space seeking a passing phenomenon alone but a place that possesses ephemerality characters and includes diversity and possibilities.


1. Survival and Bereavement 2. Man-Made Disaster 3. Organising For Disaster 4. Disaster Outreach 5. Consulting and Debriefing 6. Treating Post Traumatic Stress Disorder and Abnormal Grief 7. Disaster Helpers


Due to the advantage of renewable integration to the traditional power grid, the hybrid system is achieving popularity. Based on National Wind-Solar Hybrid Policy has issued by MNRE, Govt. of India, a pre-feasibility study has been undertaken by ANERT, Govt. of Kerala for the electrification of hybrid system at Ponmudi, Thiruvananthapuram district of Kerala, India. In this paper, solar PV-wind hybrid grid connected system at proposed site was simulated using HOMER Pro software and to develop economical feasible hybrid system. Based on optimized configuration, a proposed hybrid system has developed and it's power flow analysis has performed using ETAP software. A proposed optimal control strategy for the minimizing grid operating cost is developed and programmed by using GAMS software.


The Social Dimensions of Adjustment (SDA) survey instruments provide detailed information on the living conditions of households, information which is relevant to an evaluation of the microeconomic impacts of structural adjustment and related policy measures. Of particular interest for many analytic purposes is the detailed information of household incomes and expenditures collected by the Integrated Survey. The first and most fundamental conceptual issue concerns the definition of the household itself. A similarly fundamental issue is the definition of production which underlies the accounts. For the household, as for any other economic institution, an interrelated set of production, consumption, and accumulation accounts may be constructed. The feasibility of constructing accounts of capital transactions, of household assets and liabilities and of time use from the Integrated Survey is also examined. While the Survey does contain information of relevance to each of these, it is not comprehensive and accounts cannot be fully estimated. In conclusion, the importance of conceptual precision in the use of monetary household-level variables is stressed. A proposal has been set out in this paper for the construction of a set of current account aggregates, but the hierarchical structure of the proposed household accounts dataset is sufficiently flexible to allow analysts to calculate variants of the different measures as required.


Summary

The tidal movement of sea water relative to the Earth's magnetic field induces electromotive forces of a few millivolts per kilometre. Recent measurements off Plymouth show that the potential gradient is at right angles to the streams in that part of the English Channel. Observations on cross-channel telephone cables indicate that a considerable flow of electric current takes place, which can be accounted for b assuming the mean conductivity of the sea-bed to be of the order of 6 × 10-5 (ohms-cm.)-1. Tidally generated earth-currents spread into the land on either side of the Channel and have been measured near Lulworth. It may be possible to use them for the measurement of tidal stream velocities.

In the second part of the paper the potential gradients generated by water flow in shallow channels of rectangular or elliptical section are examined. The horizontal gradient in the water is almost independent of vertical variations in water velocity but is affected critically by the depth of the channel and the conductivity of the channel-bed. The induced electric currents can be expected to extend to depths comparable with the width of the channel.


Two populations of Liriomyza trifolii (Burgess), FLA (from celery, Florida) and NP (from chrysanthemum, California), were examined for insecticide resistance by topical application and comparison with a field-collected, susceptible colony APG (from bedding plants, California). Initially, FLA L. trifolii were moderately resistant to methamidophos and permethrin. Resistance in this colony declined over three months in the absence of further selection to the level of the susceptible colony at LC90 Experiments with synergists indicated that oxidative and hydrolytic metabolism may have contributed to resistance in FLA L. trifolii . NP L. trifolii were resistant to permethrin, methyl parathion, methamidophos, and a mixture of methyl parathion and permethrin. These flies were also cross-resistant to DDT and cypermethrin. Oxidative metabolism was implicated as a resistance mechanism but could not account for all resistance to permethrin. Anerve insensitivity factor, kdr-Iike , was probably also active in producing permethrin resistance. Methyl parathion effectively synergized permethrin in experiments in which joint action of these compounds was investigated. Developmental time and body size of NP and APG L. trifolii reared on chrysanthemum did not differ.


We fill out the gaps of experience by the ideas that experiment suggests. Yet, not all the prevalent scientific theories originated so naturally and artlessly. Thus, chemical, electrical, and optical phenomena are explained by atoms. But the mental artifice atom was not formed by the principle of continuity; on the contrary, it is a product especially devised for the purpose in view. Atoms cannot be perceived by the senses; like all substances, they are things of thought. Furthermore, the atoms are invested with properties that absolutely contradict the attributes hitherto observed in bodies. However well fitted atomic theories may be to reproduce certain groups of facts, the physical inquirer who has laid to heart Newton's rules will only admit those theories as provisional helps, and will strive to attain in a more natural way, a satisfactory substitute. The atomic theory plays a part in physics similar to certain auxiliary concepts in mathematics; it is a mathematical model for facilitating a mental reproduction of facts.


The machine learning models are constructed to predict the fragment production cross sections in projectile fragmentation (PF) reactions using the Bayesian neural network (BNN) techniques. The massive learning for the BNN models is based on the 6393 fragments from 53 measured projectile fragmentation reactions. A direct BNN model and a physical guiding BNN by FRACS parametrization (BNN + FRACS) model have been constructed to predict the fragment cross section in projectile fragmentation reactions. It is verified that the BNN and BNN + FRACS models can well reproduce the wide range of fragment production in PF reactions with incident energy from 40 MeV/u to 1 GeV/u, reaction systems of projectile nucleus from $^{40}$Ar to $^{208}$Pb and various target nucleus. The high precision of the BNN and BNN + FRACS models makes them applicable in the low production rate of extreme rare isotopes in the future PF reactions with large asymmetry of projectile nucleus in the main new generation of radioactive nuclear beam factories.


With the increasing complexity,transparency and code of Ajax technology,the attack surface and possibility of information leakage for Ajax application system is greatly enhanced.Aiming at the loophole characteristics of and aggressive behavior against Ajax structure,this paper,from the content of data packets payload,analyzes and studies the anomalous request packet by Ajax,summarizes the characteristics of anomalous data packets of Ajax,and the feature extraction is implemented with the improved BM algorithm.Finally an anomaly judgment on these extracted characteristics is done through the evaluation algorithm.The experimental results show that,compared with the traditional intrusion detection methods,the Ajax anomaly detecting technology proposed in this paper could accurately and efficiently complete the detection of Ajax anomalous request.


Reconfigurable intelligent surfaces (RIS) or Intelli-gent reflecting surfaces (IRS) are synonyms to a highly disruptive technology being proposed for beyond 5G (B5G)/6G Wireless Communications due to its environment controllable, power saving and spectral efficient features. Internet-of- Things (loT) devices demand for longer battery life with considerable data rate. To address this concern, simultaneous wireless information and power transfer (SWIPT) is currently being explored in combination with RIS. In this paper, we consider a time-switching (TS) SWIPT architecture with non-linear energy harvesting (EH) at the loT node. The concerned base station provides information and energy concurrently to the loT node through RIS. We formulate EH maximization problem under various sets of constraints, which can be solved using the proposed iterative optimization algorithm following a divide-and-conquer methodology. Numerical evaluation confers that it is necessary to have a larger number of RIS elements to get maximum benefit in terms of EH.


5 p. transcript of an interview with Claude Morrison conducted by Murray Dobbin on June 16, 1976. Tape number IH-398, transcript disc 96.


Based on the morphology of the Luoshan-Hankou reach in the middle Yangtze River, the one dimensional (1 -D), unsteady flow and sediment transport model was applied to study the river channel equilibrium profile.Meanwhile, a simple theoretical model relating the equilibrium profile and the incoming flow and sediment from the upper reach was developed. The numerical simulation results of the 1-D model were compared with the corresponding results of the theoretical model with reasonable agreement found between the two models.Finally, the equilibrium slope variations and their effects on flood control in response to the changes in the sediment transport process because of the Three Gorges Reservoir were analyzed using the 1-D model.


A learned journal is a window displaying the school's teaching and learning level and scientific achievements. The advantages of local college should be used to form its own individuality and characteristics to improve the journal's grade and pattern and acquire developing vitality.


Purpose: Document how leaders and change agents with a highly-developed meaning-making system design and engage in sustainability initiatives. Methodology/Approach: Thirty-two sustainability leaders and change agents were assessed for their meaning-making system, or action logic, using a variation of the Washington University Sentence Completion Test. Thirteen were identified as holding the three rarest and most complex action logics able to be assessed to date. Semi-structured, in-depth interviews explored how they design and engage in sustainability initiatives. Findings: These leaders appear to: (1) Design from a deep inner foundation, including grounding their work in transpersonal meaning; (2) Access non-rational ways of knowing, and use systems, complexity, and integral theories; and (3) Adaptively manage through "dialogue" with the system, three distinct roles, and developmental practices. 15 leadership competencies and developmental stage distinctions for three dimensions of leadership were identified. Research Limitations: The limited sample size leads to the findings being propositions that require further validation before broader generalization. Practical Implications: The results provide the most granular view to date of how individuals with complex meaning-making may think and behave with respect to complex change initiatives. This provides insight into the potential future of leadership. Social Implications: This study is an initial exploration of what leader development programs may need to focus on in order to cultivate leadership with the capacity to address very complex social, economic, and environmental challenges. Originality/Value: This paper documents 15 competencies that are: (1) largely new to the leadership literature and (2) that represent the actions and capacities of sustainability leaders and change agents who operate with very rare and complex meaning-making systems.


Achieve high levels of excellence, performance improvement and quality improvement efforts to improve organizational change is needed. Services are one of the prerequisites for success in a competitive market. The banks and financial institutions to steal credit and pass the ball in an attempt to improve their competitive market Since the financial data that reflects the organization's past performance, nonfinancial information that reflects the organization's future performance and influences on financial and credit organizations performance The aim of this study was to compare the importance of financial and non-financial performance evaluation model is based on the Balanced Scorecard and is non structural. Way of doing this descriptive study, field survey and field data collection tool that combines data library. The study population comprised all that Tehran Mellat Bank inspectors have over 120 people based on census sampling method has been studied . Instrument data collected in this study, two questionnaires, the Based on the Balanced Scorecard and other classified non structural models each containing 39 questions on a variety of five options Rat Lake is the validity of the questionnaire was approved by the faculty advisors specialists, then Of science and statistics software spss. Both descriptive and inferential statistics were used for analysis. questionnaire reliability Balanced Scorecard is %95 and questionnaire reliability non structural model is %96.


Polyamines are a necessary component for cell proliferation. During Xenopus embryogenesis, polyamine levels drop at the mid‐blastula transition because of a decline in ornithine decarboxylase (ODC) activity. Antizyme (AZ) is a cellular protein that regulates polyamine levels in the cell through the inhibition of ODC activity and polyamine uptake. The role of AZ in regulating polyamine levels during amphibian development is unknown. Two family members of AZ, AZ1 and AZ2, are found in Xenopus. Determination of expression levels of the AZ family during embryogenesis is underway using quantitative real‐time PCR. Real‐time PCR allows for the quantization of the reaction during the amplification cycles. With the results of the real‐time PCR, it will be possible to determine the relative expression of the AZ gene family when compared to the expression of a known endogenous gene such as ODC. Work is in progress to determine how AZ1 expression regulates normal development. Known targets for AZ‐mediated degradation in mammalian systems include both ODC and cyclin D1. The target(s) of AZ in Xenopus have not been identified to date.


A device is described which is designed for readout of information from wire spark chambers having ferrite matrices. The chambers may contain up to 32,000 wires. The number of the actuated ring is transmitted to the electronic computer in the form of a 16-digit word. In the case of simultaneous actuation of several neighboring rings, only the number of the last of them and the number of actuated rings are transmitted. If the number of actuated rings exceeds seven, a special attribute is produced. After transmission of the information from each of the 8192 rings, a separating word is transmitted to the electronic computer. The device occupies a block of unit width.


We consider the set F n,N of all possible forests, consisting of N ≥ 2 ordered non-root trees and n labeled vertices. We specify the uniform distribution on F n,N. When n/N → ∞ limit theorems were obtained for the number of fireproof vertices of one tree in a forest fire model on a random forest taken from F n,N.


The paper considers the techniques for measuring and assessing regional labour productivity and its dynamics and differences. It compares the results obtained by applying the different techniques, and can state that the trends identified according to different methods, display a little difference. Only the indicator of a real labour productivity compared to wage shows a higher difference and results in higher ratings of the regions where wages are relatively low. A high share of extractive industries in regions is a key factor of a high labour productivity. The labour productivity and its dynamics show a strong sectoral difference. The growth of a total labour productivity in regions can be explained by the increased efficiencies but not by relocation of production and labour forces to the regions with higher indicators of efficiency


We state practicable sufficient conditions on quasi-radial functions In o p(s) = ni(p(()) to be Fourier multipliers in LP(R"). Here m is a bounded function and p is a homogeneous distance function. The conditions on m are given in terms of localized Bessel potentials and those on p reflect and generalize basic properties of the norm in R". The results are related to those of Madych [7] and Fabes and Riviere [3] and improve their results (specialized to quasi-radial multipliers). The proof utilizes Madych's approach [7] and interpolation properties of localized Bessel potential spaces [2]. 0. A function m E L?(R') is called a Fourier multiplier in LP(R'), m E M (R), if the relation (Tf) (() = m(()f (t) defines a continuous endomorphism on LP(R') where f denotes the Fourier transform of f E L P n L2(R'); the multiplier norm mll equals the operator norm of T. For the general definition of localized Bessel potential spaces S(q, y) we refer to Connett and Schwartz [2]. In case y > l/q, 1 o(f R tYm( )(t)lqdt/t)l/q 0 t m(y)(t)I 0 and x CE R1. Here P is a fixed real (n x n)-matrix with eigenvalues having positive real parts. Examples are given in [1, 10 and 14]; further examples are: P1(X) = 6-Sin2(X3/X2)X3X2 + X2, P2(X) = E XJ (( > O) j=1 p3(X) = (X4 + X2)1/ + IX1 14/5 x2 //(X + x2). Throughout the paper c and C denote generic constants, N the least integer greater than n/2, and t+= max{0,t}. THEOREM 1. Let p E CN(R" ) be a homogeneous distance function, 1 nil/p 1/21 + (l/q 1/p 1/21)+. Then m o p E MP(R") and Inm o PIIMp < CIImIIq, ,y with C independent of m. Received by the editors September 6, 1983. 1980 Mathematics Subject Classificationi. Primary 42B15, 42B25.


The article is devoted to the study of organizational and economic mechanisms of innovative development of the healthcare system of Kazakhstan on the basis of extrapolation of effective foreign experience. The key problems of innovation in various fields of medicine are highlighted. The mechanism of technology transfer, the practical state with the use of advanced technologies is relevant. The mechanism of the public-private partnership for long-term financing of healthcare and providing positive animation is proved. In the field of innovations in the organization of healthcare, the basic mechanism is the introduction of compulsory social health insurance, the specifics of which are analyzed in the article. In the field of regulation of procedures relevant and modern is the introduction of information elements. Their structure and mechanism are also discussed in the present article. The article also considers the organization of clusters of medical innovations. The result of the implementation of the cluster approach should be an increase in productivity and innovation activity of enterprises belonging to the cluster, as well as an increase in the intensity of development of small and medium-sized businesses, which can significantly strengthen the innovative component of its activities in the promotion of the most effective medical technologies.


Mesenchymal stem cells (MSCs) are a populace of non‐haematopoietic multipotent stromal cells, which have the ability to differentiate into tissue derived from a single germ layer. MSCs have been isolated from various sites, including adipose tissue, skeletal muscle, synovium, spleen, thymus, lung and amniotic fluid, but are most often isolated from bone marrow. MSCs have several valuable functions that make them a promising therapeutic option in the field of regenerative medicine, including the secretion of anti‐inflammatory cytokines and growth factors, the migration of cells to the site of injury when administered and the ability to 'rescue' cells through the transfer of functional mitochondria. They also offer the possibility of autologous cell transplantation, circumventing immune rejection. These properties, among others, make MSCs a promising potential therapeutic agent in the treatment of chronic lung diseases with high rates of morbidity and mortality, such as idiopathic pulmonary fibrosis (IPF), COPD and obstructive bronchiolitis (OB). Numerous animal models have shown the protective and reparative effects of MSCs in models of experimental lung injury. There are currently several clinical trials underway to evaluate the safety and efficacy of MSCs in the treatment of IPF, COPD and OB. While early results are encouraging, a considerable amount of research must be done concerning the safety MSCs, as well as their optimal dosage, time and route of administration. In addition, much is still unknown about the pathogenesis of these chronic lung diseases, as well as the mechanisms MSCs utilize to assist in their repair.


The paper studies the impact of talent management on organisational performance in multinational corporations through applying management development and strategic HR inputs, and to evaluate the mediating role of employee engagement in the strategic HR inputs and organisational performance relationship. An online survey was distributed among managers of the first ten global multinational corporations listed by Fortune magazine 2013 and 498 responses were collected. The respondents were selected through LinkedIn using stratified sampling. PLS-SEM was used to test the hypothesised relationships of the model. The result shows a positive relationship between (1) MD Index and organisational performance, (2) strategic HR and organisational performance, and (3) employee engagement and organisational performance. Utilising PLS path modelling to evaluate structural model including higher-order component (MD Index) is highly original. The paper emphasises the importance of engagement as a mediator of the relationship between strategic HR and organisational performance in the talent management context.


The solutions,the best approximation solutions and least-square solutions of matrix equation (AXA~T,BXB~T)=(C,D) over bisymmetric matrices are studied.Necessary and sufficient conditions for the existence of the solutions,are gaimed the general forms of the solutions,the best approximation solutions and the least-square solutions are derived.


T you, Stan, for such a nice introduction. It is truly an honor and a privilege to have served as the president of this outstanding organization for the last year. Before I begin my comments, there are a multitude of individuals who I need to thank for, without them, I would not be standing here today. The first are clearly my parents, Warren and Sigrid Davis. My dad, who died in 2001, would have been thrilled about thisVit was from him that I learned towork with my hands, whether it was decorating the ceiling of the bathroom in Vermont, grouting the tub, or helping with the plumbing when there was a leak. He was an amazingly supportive man, and he is greatly missed. My mother too has been very supportive, offering advice and encouragement, while constantly pushing her children to strive to be better and do more. My sister Meredith, her husband Nick, and their three children, Nicholas, Charlotte, and Tim, were unable to make the trip but have been a constant source of amusement and entertainment. And, finally, my brother Gregory, his wife Kerry, and their adorable daughter Claire are here and enjoying Disney. Moving back to the East Coast has allowed me to be more engaged in all of their lives, something for which I am very grateful. I would also like to thank mymentors, particularly Dr.William Cioffi, chairman at Brown and the immediate past president of the American Association for the Surgery of Trauma. Cioffi has been a friend, a colleague, and a confidant for 20 years. He arrived at Brown during the start of my fourth year of residency. Despite the fact that our first interaction probably convinced him that he


The traditional diagnostic method of fascioliasis was based on the identification of the eggs in the stool, but this is not a reliable way as it has many restrictions. The present work was evaluated to immunodetect the Excretory/ Secretory antigens of Fasciola gigantica by sandwich Elisa in naturally infected cattle's sera and by dot blot in naturally infected human sera and compare these methods and the traditional methods. In this study, fresh adult Fasciola gigantica worms were collected to extract crude excretory/secretory (E/S) antigens. E/S was used to immunize rabbits and mice to raise polyclonal antibodies. The IgG fraction of rabbit and mouse anti-Fasciola antibodies was purified. The protein content of anti-Fasciola IgG antibody, was 8.8 and 5.2mg/ml, respectively. Sandwich ELISA was performed to detect Fasciola antigens in serum samples collected from 248 cattle. Also, a Dot blot was performed to detect Fasciola antigens in 38 human sera. Results showed that after parasitological stool examination, 26 human samples were positive and 12 human sera were healthy. The red-brown color appeared with all infected samples only. This technique is cheap, and saves time; multiple samples can make at the same time and not require expensive laboratory equipment. In conclusion, the sandwich ELISA and Dot blot assays were more reliable tools for early serodiagnosis of fasciolosis than traditional methods. Significance Statement


St.Petersburg State Technical University, 195251 St.Petersburg, Russia Max-Planck Institut fur Plasmaphysik, Euratom Association, D-85748 Garching, Germany Max-Planck Institut fur Plasmaphysik, Teilinstitut Greifswald, Euratom Association, D-17491 Greifswald, Germany Institute of Electronic Structure and Laser, Foundation for Research and TechnologyHELLAS, Association Euroatom-Hellenic Republic, Heraclion 71110, Greece


We present the first high temperature x-ray diffraction (HTXRD) studies of in situ quasicrystal-crystal and crystal-crystal transformations in Ti–Zr–Ni alloys. Together with differential scanning calorimetry studies, these x-ray measurements indicate three separate paths for the Ti–Zr–Ni quasicrystal-crystal transformation: single exothermic, single endothermic, or multiple endothermic. The mode of transformation depends on the alloy composition and the level of environmental oxygen. The crystalline products include the Ti_2Ni, MgZn_2 Laves, α−(Ti, Zr), and β−(Ti, Zr) phases. In the absence of oxygen, the endothermic transformation of the quasicrystal demonstrates that it is the lowest free energy (stable) phase at the Ti_53Zr_27Ni_20 composition. Oxygen stabilizes the Ti_2Ni phase, eliminating both the quasicrystal and the MgZn_2 Laves phase, at partial pressures as low as a few hundred ppm.


The purpose of this LibGuide is to provide make international and immigrant students aware of the support services available to them on campus as well as to promote the centers on campus devoted to different ethnic groups.


We study the octet baryon electromagnetic form factors in nuclear matter using the covariant spectator quark model extended to the nuclear matter regime. The parameters of the model in vacuum are fixed by the study of the octet baryon electromagnetic form factors. In nuclear matter the changes in hadron properties are calculated by including the relevant hadron masses and the modification of the pion-baryon coupling constants calculated in the quark-meson coupling model. In nuclear matter the magnetic form factors of the octet baryons are enhanced in the low $Q^2$ region, while the electric form factors show a more rapid variation with $Q^2$. The results are compared with the modification of the bound proton electromagnetic form factors observed at Jefferson Lab. In addition, the corresponding changes for the bound neutron are predicted.


This chapter contains sections titled: Introduction, Terminology, Parallel Construct, Sharing the Work among Threads in an OpenMP Program, Clauses to Control Parallel and Work-Sharing Constructs, OpenMP Synchronization Constructs, Interaction with the Execution Environment, More OpenMP Clauses, Advanced OpenMP Constructs, Wrap-Up


One way of stabilizing a ship is by anti-roll tanks. There are three kinds of anti-roll tanks: the free-surface, U-tube and free-flooding tanks. Of these the free-flooding anti-roll tank is the least known and applied. The reason is that the performance of these tanks is reduced due to a momentum drag penalty incurred at forward speeds. This performance penalty does not occur for offshore installation vessels in operation, which remain stationary or sail at very low forward speeds. An advantage of free-flooding tanks over U-tube and free-surface tanks is that they are easy to retrofit, because they do not require a considerable amount of space in the center part of the vessel, but can be built into the sides where, generally, plenty of space is available due to the broad beam of such vessels. Also, they can be closed off and emptied for transits. Free-flooding tanks are thus a viable option for the stabilization of offshore installation vessels. How effective are free-flooding tanks? The modeling of this kind of tanks is complex, because of the interaction of the tank fluid with the environment. The amount of water in the tanks varies continuously due to the inflow and outflow of water through the flooding ports. In the 80s of the last century the US Navy were looking to improve the motions of their aircraft carriers, whose roll motion behavior had deteriorated as a result of upgrades over the years of service. They developed a prediction model in the frequency domain based on linearized ship motion theory and a regular wave input, which includes several non-linear effects to closer approximate the actual behavior of the water in the free-flooding tanks. In this study, this prediction model is programmed into SCILAB (a numerical solution program) and the model is evaluated for a pipelaying vessel. The input for the model is the hydrodynamic database from a 3D diffraction program, in this case AQWA. The results show that free-flooding tanks are effective at reducing the roll motions of the ship for lift operations. Tuned tanks, where the tank transfer period is tuned to the ship natural frequency, perform better than untuned tanks, because for tuned tanks the tank moment lags the ship motion 90° at resonance frequency. To support the design of free-flooding tanks the influences of different parameters in the tank model are quantified. Also, an attempt is made to transform this model to time domain simulation in AQWA. The coupling of the tank, the ship motions and the fluid pressures is of high importance for the tank moment. Due to limitations in AQWA it is impossible to integrate the tank equation directly and fully with the ship motions and the fluid domain. To check the results from the AQWA simulation a simple time domain simulation was programmed in SCILAB based on the same assumptions as for frequency domain. The results from this simulation match the results from the frequency domain, because based on the same assumptions. It is questionable whether these assumptions still hold in time domain. Also, the motions during a time interval are not influenced by the motions before this interval in this simple time domain simulation. Consequently, the results of the time domain simulation have been found to be unreliable and time domain simulation must be addressed in a different way.


Selecting of combined hyperosmolar solutions for infusion therapy of burn disease remains one of the most topical problems of modern combustiology. We studied structural changes in blood vessels of adenohypophysis, adrenal cortex and thymus in experimental burn disease in rats and its treatment with combined hyperosmolar solutions by means of electron microscopy. It was established that hyperosmolar solutions administered intravenously acted as vascular wall protectors and lactoprotein-C initiated membranoplastic influence on organ structure.


A study is presented on the in vivoeffect of elevated cAMP levels induced by cholera toxin on the phosphorylation of subunits of the mitochondrial respiratory complexes and their activities in Balb/c 3T3 mouse fibroblast cultures. Treatment of serum-starved fibroblasts with cholera toxin promoted serine phosphorylation in the 18-kDa subunit of complex I. Phosphorylation of the 18-kDa subunit, in response to cholera toxin treatment of fibroblasts, was accompanied by a 2–3-fold enhancement of the rotenone-sensitive endogenous respiration of fibroblasts, of the rotenone-sensitive NADH oxidase, and of the NADH:ubiquinone oxidoreductase activity of complex I. Direct exposure of fibroblasts to dibutyryl cAMP resulted in an equally potent stimulation of the NADH:ubiquinone oxidoreductase activity. Stimulation of complex I activity and respiration with NAD-linked substrates were also observed upon short incubation of isolated fibroblast mitoplasts with dibutyryl cAMP and ATP, which also promoted phosphorylation of the 18-kDa subunit. These observations document an extension of cAMP-mediated intracellular signal transduction to the regulation of cellular respiration.


Continuous positive airway pressure (CPAP) by means of a bilateral nasal cannula system has been used in 21 newborns. 15 had hyaline membrane disease, 3 had an aspiration and 3 showed extensive atelectasis. In 18 of the 21 patients, paO2 increased after cannulation, FiO2 being kept unaltered. As a consequence, the oxygen concentration in the inspired gas mixture could be lowered. 3 children had to be intubated endotracheally and ventilated artificially despite previous nasal cannulation. The criteria for using the CPAP and the methodology are described, its advantages, disadvantages and dangers discussed.


An efficient power estimation approach is proposed for the processor elements as for the synchronous data transfer architecture. Based on the architecture-level model and its modularity characteristics,different methods are proposed to estimate the power consumption of each sub-component. This approach meets the precision requirement. The advantages of its flexibility and high-efficiency make it suitable for the application-specific instruction processor design process. The experimental results show that 70% and 90% of the estimation errors are below 8.2% and 10.8% respectively,and then the efficiency increases by 12000 times,compared with the gate-level estimation by PrimePower.


Background: Humerus shaft fracture accounts for 3-5% of all fractures commonly encountered by orthopedic surgeons. The application of plate for fracture of middle 1/3 rd of Humerus is a gold standard in the presence of lot of intramedullary and extramedullary devices for these fractures. Objectives: To compare the outcome of anterolateral plating with the anteromedial plating for fracture of middle 1/3 rd of the Humerus. Methods: It is r andomized controlled trial conducted at department of Orthopedic Surgery, Services Hospital Lahore, during Jan 2018 to Jan 2019. Total number 60 patients with fracture of middle 1/3 rd of shaft of the humerus were admitted through emergency department of this hospital. Subjects were randomly assigned into two equal groups. In Group A all fractures were fixed with DCP on the anterolateral surface of Humerus with anterolateral approach while in group B all 30 patients with fracture of shaft of Humerus were plated on the medial flat surface of Humerus by anterolateral technique. The radial nerve injury was also assessed in both of these groups post operatively. All these patients were followed for 6 months with weekly interval up to 03 weeks, then at 06 weeks, 03 months and thereafter at 06 months. At each follow up each patient was evaluated clinically and radiologically for fracture union range of motion at elbow and shoulder joint and post operative complications. Mean and standard deviation was calculated for quantitative variables and frequency and percentages for qualitative variables. Independent t–test was applied for numerical outcome and chi-square test was used for proportions with p < .05 as statistically significant. Results: Mean age 42.2 + 5.98 years. 66.6% of the fractures were as a result of RTA Mean duration of surgery in Group A (Anterolateral surface) was 60.25 + 7.56 and in Group B (Anteromedial surface) was 52.34 + 10.29. (p < .001). Mean blood loss in group A was 110.17 + 12.36 and in Group B was 80.75 + 8.94 (p < .000). No radial nerve injury in group B while 3 (10.0%) patients had iatrogenic radial nerve palsy in group A (p =.076). Conclusion: Anteromedial plating on the flat medial surface of Humerus is an excellent technique for fixation of fractures of middle 1/3 rd of the Humerus as compared to anterolateral plating. It avoids the injury to the radial nerve.


mCMC-PEG-CS bipolar membrane(BM) was prepared by cation and anion exchange membrane.Cation exchange membrane was prepared with polyethylene glycol(PEG)-sodium carboxymethyl cellubse(CMC) blends which were modified by Fe3+,and anion exchange membrane was prepared by PEG-chitosan(CS) blends which were modified by glutaraldehyde(GA),rspectively.mCMC-PEG-CS bipolar membrane was used as a separator in the electrolysis cell to produce thioglycolic acid(TGA).Thioglycolic acid(TGA) was prepared by electro-reduction of dithioglycollic acid(DTDGA) with the mixture of TGA and DTDGA as the raw materials.The influences such as acid concentration,temperature and electrolysis current densities on the electro-generation and the current efficiency of TGA were studied.The experiment results show that TGA was prepared effectively by electroreduction of dithioglycollic acid(DTDGA) with the mixture of TGA(2.79%) and DTDGA in the cathodic room.The current efficiency was up to 74.69% at 35 ℃ in a cylinder electrolysis cell at 10 mA/cm2.To compare with the traditional of metal reduction method,the electro-reduction technology saves the zinc powder and eliminates the pollution to environment.


This article is aimed at viewing the evidence in the legal and political debate. A relatively little attention in the literature expert. Relying on the philosophy of science and a little less in legal theory, we note that the explanations under inductive legal and political knowledge, and the arguments about evidence and proof, connections are based on probabilistic and assumptions rebuttable and not on speculations embodied theoretical goal. The support base to represent the legal debate - now has strong political component of formal logic and empirical research.


The increasing use of micro-blogging sites have made them very rich data repositories. Information generated is dynamic by nature, tied to temporal conditions and the subjectivity of its users. Everyday life experiences, discussions or events have a direct impact on the behaviours reflected in social networks. It has become important to asses to which degree are these interactions affecting a social group. A possibility is to analyse how impactful a topic is according to the behaviour presented on a social network over time. It is then necessary to develop methods that can contribute towards this task. Having identified a topic in social media, we can obtain a general summary of the emotions it is generating over a social group. We then propose a topic impact score which will be given to each topic based on how this emotions transition, for how many time they span and how many users they reach. This lays ground to quantify how impactful a topic is over a social group, specifically regarding events detected on twitter.


This paper reports results of and recommendations from a June 1-3 1994 workshop to clarify and build a consensus particularly among Nigerians around the key elements and issues of the proposed population and health services program (PHSP). Sixty participants and observers discussed issues including the decentralization of service delivery integration of family planning (FP) and maternal/child health (MCH) and geographic focus of project/program support. Sixteen technical input presentations were made by Nigerians during the workshop and were discussed in groups to establish a consensus on objectives and strategies for PHSP. A conceptual model of an integrated health system was used to provide a logical sequence of presentations during the workshop which includes a matrix of program interventions support components and decentralized health system levels. Consensus was reached that PHSP should be a program/project to develop a decentralized health system within which FP/MCH would be a priority component. With regard to assistance strategies consensus was reached that PHSP should concentrate assistance in three departments as long as donor coordination could provide equivalent assistance to other departments access to health services should be increased through coordination with other donors and/or local populations donor coordination should be increased at all levels both project and non-project assistance should be included and assistance to the private sector should be encouraged.


The development of a grammar for a spoken dialogue system can be greatly accelerated by using a corpus describing the application. However the development of such a corpus is a slow and expensive process. This paper proposes unsupervised methods for finding relevant corpora in the Web and mining the most informative parts. We show that by utilizing perplexity we are able to increase the in-domainess (precision) of the mined corpora, while by utilizing the rank of the web search engine we can increase the generalizability (recall). The results show that using only unsupervised and language independent methods we can compete with corpora created manually with expert knowledge.


In Anthony Burgess's most famous novel, A Clockwork Orange, the most obvious clash of values is between the lawless hero and a society that hopes to control him.1 This struggle obscures another conflict which is nevertheless very important: the opposing views of libertarians and authoritarians on how best to provide social controls. The theme of libertarian-authoritarian opposition recurs throughout Burgess's novels, often as a conflict between points of view Burgess has called Pelagian and Augustinian. The best exposition of this idea is given by Tristram Foxe, the protagonist of Burgess's novel The Wanting Seed.1 Foxe (who is a history teacher) explains that Pelagianism is named for Pelagius, a monk whose teachings were condemned by the church. Pelagius argued against the doctrine of original sin and advocated the idea of human perfectibility; hence he is the patron of libertarian societies. St. Augustine, a contemporary of Pelagius, reaffirmed the doctrine of original sin; human perfectibility, he said, was possible only with God's grace. Because grace is not universally granted, there must always be sin, war, crime, and hence the need for social controls. Augustine therefore emerges as patron of the authoritarians. Burgess often presents social history as a cyclical alternation of Pelagian and Augustinian parties which oppose one another like yin and yang. With the Augustinians in power there is a period of social stability which comes as the result of a rigidly enforced authoritarian moral code. Such controls make it appear that the populace is inherently ethical and encourage a growing faith in human perfectibility; eventually the strictness of the Augustinians seems superfluous. The populace begins to demand more freedom, libertarian arguments gain credibility, and finally there is a transition to a Pelagian form of government.


This paper presents the modeling and validation of a 7-degree of freedom (DOF) full vehicle model to study ride performance of a heavy vehicle. To improve suspension control system that can reduce roll over effect and improve ride comfort, dynamic modeling of passive heavy vehicle model was constructed. Such simulation model was developed in MATLAB Simulink software. Several assumptions related to 7-degree of freedom modeling were made and stated in this paper. This heavy vehicle model was validated using vehicle dynamics simulation software known as TruckSim. The validation was done by comparing the simulation results. A ride test was conducted at two different speeds, and the simulation results consist of roll angle, pitch angle, and vehicle body displacement are analyzed. Keywords—Heavy vehicle, MATLAB/Simulink, Ride Model, Validation Model


Recent experiments on the abstraction of D adsorbed on metal surfaces with gaseous hydrogen atoms revealed a kinetics of HD formation which is not compatible with the operation of Eley–Rideal (ER) mechanisms. Furthermore, homonuclear products were observed during abstraction, which are not expected through an ER reaction scheme. It was therefore suggested that hot-atom (HA) mechanisms are more appropriate to explain the measured kinetics and products. Random walk calculations of the abstraction kinetics are presented based on a model which exclusively relies on elementary reaction steps which are HA mediated processes. Within this model, the ratio of two variables, the probabilities for hot-atom sticking at empty sites ps and hot-atom reaction with adsorbed species pr, was found to control the kinetics of HD and D2 formation. The essential features of measured kinetic data at Ni(100), Pt(111), and Cu(111) surfaces were reproduced by simple and reasonable assumptions on ps/pr.


The scientific hypothesis of this work is that modulation of the properties of hard materials to exhibit abrasion-resistant and low-energy surfaces will extend the functional lifetimes of elastomeric seals pressed against them in abrasive underwater systems. There are many biomedical, food handling, industrial, and environmental circumstances in which elastomeric materials pressed against more rigid seal plates are expected to continuously prevent aqueous fluid leakage, even in the presence of potentially mineralized and abrasive biological fouling. To date, this investigation has monitored the influence of an intrinsically abrasion resistant, low critical surface tension epoxy-silicone copolymer coating on dry and underwater friction/wear behavior of a cyclically driven, surface-characterized synthetic-rubber sealant in contact with both coated and uncoated control seal plates. Preliminary results indicate excellent coating adhesion as well as some difference in wear depth and area dimensions between coated and uncoated seal plates. Some bidirectional material transfer was observed. These conclusions will be further validated by mass loss analysis, scanning electron microscopy, and digital stereoscopic image analysis, as well as two or more of the following techniques; profilometry colorimetry, contact angle/critical surface tension (CA/CST) determination, multiple attenuated internal reflection (MAIR-IR) spectroscopy, x-ray fluorescence (XRF), the latter three all being used also in initial material characterization. Further investigation of sealant/plate combinations will include testing on a bidirectional, linear apparatus under varying load conditions. See photograph beside rotary device. The contacting seal & coating surfaces will be examined for variable wear rates and changes in surface properties with increasing cycle time, per techniques listed above, and a correlation proposed for the relationship of seal integrity to seal plate surface properties. Results to date suggest mechanical, ecological, and economic advantages of this sealant/coating seal interface in a wide range of applications.


In table 1 of their analysis on health and social welfare programmes, Stuckler and colleagues emphasise that total UK debt is comparatively low if expressed as …


The introduction in the mobility system of the externally chargeable electric and hybrid vehicles requires an appropriate specific supporting service and a dedicated infrastructure network. On the other hand they offer the opportunity of an effective integration in the smart grid system, as electric energy users featuring an on board rechargeable energy storage. The infrastructure system should be considered bi-directional in terms of recharging or receiving energy from the vehicles. An E-Mobility management provider should interface energy supply stations with the vehicle drivers through an ICT system to coordinate the charging request or the energy supply opportunity with the grid status, as power availability or demand. The energy exchange interface should be safe, interoperable and user friendly, according to the international Standards presently under definition and appropriate to the various categories of vehicles and environmental situations. The different possible solutions are discussed.