text:
An AC discharge lamp having a constricted arc, and powered through a unidirectional ballast with a unidirectional current, is described. The AC lamp operates as a DC lamp. One method of achieving the constriction of the arc of this lamp is to modulate the DC input power to the discharge lamp to reduce the adverse effects of DC operation. The mechanism mixes the chemicals with an acoustically induced flow.
1. An AC discharge lamp having a constricted arc, and powered through a unidirectional ballast with a unidirectional current, said AC discharge lamp operating with reduced cataphoretic effects, said AC discharge lamp further comprising a shorting circuit to modulate unidirectional power to the lamp operatively connected to said discharge lamp for providing straightening and constriction of said arc.
2. A method of operating an AC discharge lamp with unidirectional current without substantial cataphoretic effects, comprising the steps of:
a) operating an AC high intensity discharge (HID) lamp with a unidirectional current; and
b) providing a shorting circuit to modulate unidirectional power to the lamp operatively connected to said discharge lamp for straightening and constricting an arc of said HID lamp to substantially eliminate cataphoretic effects.
3. An AC high intensity discharge (HID) lamp having a constricted arc, and powered through a unidirectional ballast with a unidirectional current, said AC discharge lamp operating with reduced cataphoretic effects, said AC discharge lamp further comprising a shorting circuit to modulate unidirectional power to the lamp operatively connected to said discharge lamp for providing straightening and constriction of said arc.
The present invention relates to High Intensity Discharge (HID) lamps and, more particularly, to an AC discharge lamp having a constricted arc and powered through a unidirectional current ballast with stabilization to eliminate cataphoretic effects.
During DC operation of a High Intensity Discharge lamp, it is often noticed that without stabilization of the arc, the anode tends to overheat. This is due to the collection of energy from the incoming electrons. Other cataphoretic problems that have been reported during operation with unidirectional current include damage to the anode, wall blackening, chemical separation, color separation, and shortened operating life of the lamp.
To prevent these problems from occurring, one method embodiment of the present invention introduces a lamp-shorting pulse to modulate the power waveform. The modulated waveform creates conditions, which overcome the cataphoretic forces on the easily ionized atoms. In addition to correcting the detrimental cataphoresis and anode overheating effects during operation, the inventive method also corrects for convective forces by operating in a constrictive mode. These corrections allow the lamp to be operated in either a vertical or a horizontal burning position without adverse arc bowing effects.
The method of this invention modulates the input power to a HID lamp. This modulation eliminates DC cataphoretic effects. A unidirectional power waveform is utilized in which the amplitude is modulated, e.g., with a lamp shorting pulse. In addition, this invention utilizes unidirectional current ballasts which can be produced with fewer components with simplified topologies, and at a lower cost.
The chemical species separation and, therefore, color separation of a typical 100 watt metal halide (MH) lamp is normally very apparent after only a few minutes of standard DC operation. With the modulation method of this invention, color distortion is not noticeable even after several hours of operation.
Traditionally, ballasts and lamps have been designed to eliminate DC components of the current to avoid the adverse effects of DC operation. Previous solutions for discharge lamps operating in a DC mode can be categorized as follows.
(1) Lamps and optical systems have been specially designed to mask the adverse effects of DC operation.
(2) The color separation effect has been claimed as a benefit.
(3) Masks have been used in eliminating the radiation from a separated component.
(4) Magnetic fields and physical baffles have been used to remix the chemicals which have separated.
Although acoustic modulation, per se, does not solve the adverse effects of DC operation, the technique is mentioned herein to provide a proper understanding of the problem. The inventors have incorporated the discovery that constriction mode operation is a viable way to eliminate cataphoretic effects.
In U.S. Pat. No. 5,475,284, issued to Lester et al, on Dec. 12, 1995 for BALLAST CONTAINING CIRCUIT FOR MEASURING INCREASE IN DC VOLTAGE, a circuit is illustrated for reducing DC components in AC ballasts. The circuit is designed to reduce adverse DC effects in fluorescent lamps.
Discharge lamps have been operated in standard DC mode in the past. Such a lamp is illustrated in U.S. Pat. No. 5,391,966, issued to Garrison on Feb. 21, 1995, for STARTING AND OPERATING CIRCUIT FOR ARC DISCHARGE LAMP. Numerous methods are discussed therein for operating fluorescent, mercury vapor, sodium, and MH lamps in DC mode. Power modulation for creating acoustic pressure waves to reduce cataphoresis and anode overheating is not mentioned, however, nor is arc centering or stabilization.
In U.S. Pat. Nos. 5,047,695, and 5,198,727, issued to Allen et al, on Sep. 10, 1991 and Mar. 30, 1993, respectively, a method and a circuit are illustrated for operating MH lamps in DC mode. Although power modulation for creating acoustic pressure waves for arc straightening is mentioned, power modulation for creating acoustic pressure waves to reduce cataphoresis and anode overheating are not. In fact, in U.S. Pat. No. 5,047,695, cataphoretic effects are specifically credited with providing a less distracting forward beam. U.S. Pat. No. 5,198,727 teaches that the reduction of cataphoresis may be achieved through a horizontal magnetic field. Centering techniques are disclosed in which centering can result from acoustic perturbations that compel gas or vapor movement patterns in the fill. The centering counters gravity-induced convection.
Centering and stabilization techniques have been disclosed in the recent past. In U.S. Pat. No. 5,134,345, issued to El-Hamamsy et al, on Jul. 28, 1992, for FEEDBACK SYSTEM FOR STABILIZING THE ARC DISCHARGE OF A HIGH INTENSITY DISCHARGE LAMP, a feedback system is depicted for avoiding destabilizing acoustic frequencies. The feedback system detects arc instabilities and changes the drive frequencies.
In U.S. Pat. No. 5,306,987, issued to Dakin et al, on Apr. 26, 1994, for ACOUSTIC RESONANCE ARC STABILIZATION ARRANGEMENT IN A DISCHARGE LAMP, a stabilization method is shown for stabilizing high frequency and microwave lamps. The lamps are modulated with acoustic resonant band frequencies. This patent, however, does not address operating the lamp with standard DC.
In U.S. Pat. No. 5,581,161, issued to Gong on Dec. 3, 1996, for DC COUPLED ELECTRONIC BALLAST WITH A LARGER DC AND SMALLER AC SIGNAL, a fluorescent ballast is shown, that uses a small amount of alternating current to improve the performance of the lamp. Using alternating current for metal halide lamps, however, has been found to provide little improvement for the deleterious cataphoretic effects and over-heating phenomena that currently exist in these lamps. The effect of AC current on DC operation of metal halide lamps, has been found to be insufficient in mixing the chemicals that have separated by cataphoresis. Specifically, constriction mode of operation is needed to fully eliminate the cataphoretic effects.
In U.S. Pat. No. 4,983,889 issued to Roberts in 1989, for DISCHARGE LAMP USING ACOUSTIC RESONANT OSCILLATIONS TO ENSURE HIGH EFFICIENCY, a lamp operating with AC current, is illustrated. It is suggested therein, that acoustic frequencies can be used to mix ingredients, but like Gong above, lacks the ability to mix cataphoretically separated chemicals in DC operating metal halide lamps.
In accordance with the present invention, there is provided an AC discharge lamp having a constricted arc and powered through a unidirectional ballast with a unidirectional current. The AC lamp operates as a DC lamp. One method of achieving constriction of the arc is to modulate the DC input power to the discharge lamp to reduce the adverse effects of DC operation. The mechanism mixes the chemicals with an acoustically induced flow.
It is an object of this invention to provide an improved method of operating an AC discharge lamp with unidirectional current.
It is another object of the invention to provide an AC discharge lamp operating with unidirectional current that is substantially free of cataphoretic effects.
A complete understanding of the present invention may be obtained by reference to the accompanying drawings, when considered in conjunction with the subsequent detailed description, in which:
FIG. 1 illustrates a perspective view of a typical high intensity discharge lamp utilized in this invention;
FIG. 2 illustrates a schematic circuit of the lamp depicted in FIG. 1, operating with unidirectional current in constriction mode (i.e., with a straightened and constricted arc);
FIG. 3 shows a block diagram for the shorting circuit illustrated in FIG. 2; and
FIG. 4 is a circuit diagram of a specific embodiment of the present invention.
For purposes of clarity and brevity, like elements and components will bear the same designations and numbering throughout the figures.
Generally speaking, the invention utilizes a typical 100 watt metal halide lamp. The operational method of the invention visibly eliminates the detrimental cataphoretic effects occasioned by operating an AC lamp with unidirectional current. Potential products include small, cheap DC ballasts, optimized DC lamp and ballast combinations, universal operation of compact HID lamps and, specifically, metal halide track lighting.
Now referring to FIG. 1, a typical discharge lamp 10 is illustrated that can be used in accordance with this invention. This high intensity discharge lamp 10 includes an outer jacket 12 that is constructed of glass. Within the outer jacket 12 is disposed an arc tube 14. The arc tube 14 may be surrounded by a shroud 20 of any suitable material. The arc tube is filled with gases and/or substances, such as metal halides, that will form a high intensity light discharge when electrically excited. The lamp used in this invention is typically an OSRAM SYLVANIA MP100 Metalarc� lamp.
The arc tube 14 is held in place within the outer jacket 12 by means of a mounting support 16 that also encompasses the shroud 20. Electrical power input is fed to the arc tube 14 via base 22, a lamp stem 24 and electrical leads 26 and 28. The mounting support 16 includes a metal support rod 30 that is attached to the lamp stem 24 via strap 31. The support rod 30 also engages a protuberance 32 that projects inwardly from the top of the outer jacket 12. The central portion of the support rod 30 is substantially parallel to a vertical axis running through the arc tube 14 and the shroud 20. Respective clips 40 and 42 further act to support the rod 30 with respect to the arc tube 14 and shroud 20. The clips 40 and 42 are each welded to rod 30. A more detailed description of the materials and fabrication of the discharge lamp 10 can be found in U.S. Pat. No. 5,270,608, the pertinent teachings of which are incorporated herein by reference.
Referring to FIG. 2, a circuit 200 is shown for operating the lamp 10 in the arc straightened and constriction mode utilizing the shorting circuit 102, illustrated in FIG. 3. A DC power supply 202 is used in series with the non-inductive lamp ballast resistor 204 in order to operate the lamp 10 with unidirectional current.
Acoustic frequencies are introduced into the power of the lamp 10 by periodically shorting the lamp with lamp shorting circuit 102. With the lamp running horizontally, straightening and constricting the arc is achieved by sweeping the lamp at a 1 kHz sweep rate, with frequencies used in operating this type of lamp, which are typically between 40 kHz and 50 kHz, for a sine wave, amplitude modulated, power input. The function generator 208 produces asymmetric logic pulses of approximately 10% duty cycle.
Referring to FIG. 3, the shorting circuit 102 is illustrated in greater detail. The circuit 102 uses TTL logic. The output terminals 110 are rectified across their + and - terminals by a full wave rectifier 112. When the transistor (MOSFET or IGBT) 116 is in the "off" state, the terminals are essentially open; when the transistor 116 turns "on", and the voltage across the output terminals is the voltage of the diode rectifier 112 (approx. 1.2 v), the output is a low impedance (shorted). The rectifier 112 allows the circuit to function bidirectionally with only one transistor 116. An optically isolated driver 118 protects the logic input from any power spikes.
As shown in the embodiment of FIG. 4, a varistor VR1 and fast blow fuses F1 and F2 located in protection 130 which protects the transistor 116, as well as, snubber circuit 114 consisting of a resistor R5 and a capacitor C2. A diode D2 located across the output of transistor Q1 protects the gate of transistor Q1 from fast reverse direction voltages spikes. A diode D3 connected across the gate and source of transistor Q1 protects the gate of transistor 116 from over voltage. A pair of resistors R2 and R3 softens the drive pulse from the optocoupled driver 118. A 12 VDC floating supply along with a resistor R4, a diode D1 and a capacitor C1 provide a charge pump power source 132 for optocoupled driver 118. The shorting circuit 102 is connected into the circuit 200 (FIG. 2) after the lamp 10 is turned on.
As a specific example but in no way to be construed as a limitation, the following components are appropriate to an embodiment of the present disclosure, as illustrated in FIG. 4:
______________________________________Item Description Value______________________________________R1 Resistor 240 ohm, 1/4WR2 Resistor 100 ohm, 1/4WR3 Resistor 1K ohm, 1/4WR4 Resistor 10 ohm, 1/4WR5 Resistor 110, 2 WD1 & D2 Diodes MUR8100D3 Diode (Zener) 18 VBR1 Bridge Rectifier RS404LVR1 Varistor 420L20C1 Capacitor 100 μF, 50 VC2 Capacitor 100 pFC3 Capacitor 0.1 μF (ceramic)Q1 Transistor (IGBT) IRGPH40FU1 Integrated Circuit HP3101F1 & F2 Fast Blow Fuses 5A______________________________________
Since other modifications and changes varied to fit particular operating requirements and environments will be apparent to those skilled in the art, the invention is not considered limited to the example chosen for purposes of disclosure, and covers all changes and modifications which do not constitute departures from the true spirit and scope of this invention.
Having thus described the invention, what is desired to be protected by Letters Patent is presented in the subsequently appended claims.
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Referenced by
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Film Recommendation
This service can be used to recommend new films for the ZSR film collection. Films for classroom or curricular use should be purchased as you would purchase a book, through standard departmental channels or your library liaison.
Please note this is a recommendation only and is not an official purchase request. If your suggestion is ordered, you will be notified.
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subset: commoncrawl


text:
Corrections Officer – Upper Hutt
- Job Type: Ongoing – Full Time
- Category:
- Location: Wellington
- Date Advertised: 22-FEB-13
- Job Reference: NZ/CSLNR3251
- Job Title: Corrections Officer – Upper Hutt
- Business Unit:
- Summary:
Corrections Officer – Rimutaka Prison
Our team at the Department of Corrections is dedicated and passionate. We are united by our goal of making a positive difference in our community by reducing reoffending and making our communities safer.
Being part of Corrections is about being part of a team. Corrections Officers work together to ensure that prisoners are kept secure and treated fairly and consistently. They also have an important role in supporting prisoners to improve their chances of living offending-free lives.
The best Corrections Officers have strong communication and relationship building skills, a mature outlook on life, common sense and high levels of integrity, ethics and resilience.
What can we offer you?
All candidates are required to complete a full disclosure criminal history check and pre-employment medical and physical tests.
As our prisons operate 24×7, we operate a shift system for Corrections Officers which includes night and weekend work.
To find out more, come to our Information Evening at the Rimutaka Regional Office, Freyburg Rd Extension, Trentham on Tuesday 12 March 2013 from 5.45pm to 7.30pm. Please register your interest by calling 04 5290751 between the hours of 9am and 1pm Monday to Friday.
Click on link below to Apply Online :
Corrections Officer – Upper Hutt


text:
Now in a new improved airless pump bottle with a stronger more controllable pump. The innovative design gives you the same amount of makeup in a more compact convenient bottle.
Barrier Spray seals Colortration to prevent transfer when used
on hands or body.
To read more about birthmarks, consult our library by clicking here.
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text:
Social Post component:
The new update 2.5.4 includes these changes:
- ^ Update facebook API library
- ^ Update twitter API to v1.1
- ^ Change the way of saving pages information after post
- # Fixed not showing page with new facebook api issue (new page access token privacy).
Who will need this update?
- + Recommended for All


text:
Kyle Weiland makes his major league debut Sunday for the Boston Red Sox. Former PawSox teammate Josh Reddick and Red Sox bench coach DeMarlo Hale spoke about the young right-handed pitcher.
Visit the NESN channel for Boston Red Sox video, Boston Bruins video, New England Patriots video, Boston Celtics video, Liverpool FC video and more.
Discover the best in original web series.
© 2014 Blip Networks, Inc. All Rights Reserved.
Blip is part of Maker Studios


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Our Arabic Gum Granular Chunks is popular for use in creating your own incense. As a binding agent, it is often ground up and used with other ingredients to create a fantastic powder or resin incense. Used in everything from medicine, glues, and food, Arabic Gum is a water soluble resin known for being great for binding one thing to another. Available in 1.5 oz or 1 lb quantities.
Once you have filled in all the required options and pressed the Update Options button you will be able to add this item into your shopping cart.
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text:
Speaker at rally supporting 'Mayors Against Illegal Guns' cites Boston Marathon bomber as victim of gun violence
**Written by Doug Powers
Crazy with a capital "C," but then again we are talking about a Michael Bloomberg organization.
By way of The Blaze:
At an event Tuesday supporting Mayor Michael Bloomberg's "Mayors Against Illegal Guns" movement, gun control advocates read the names of those "killed with guns" since the Dec. 14 mass shooting in Newtown — and the group's list of victims included Boston bomber Tamerlan Tsarnaev.
Tamerlan was killed in a shootout with the police three days after the bombing. He was also crushed by an SUV driven his brother, Dzhokhar, who fled the scene.
From the New Hampshire Union Leader:
Some of the loudest shouts came when a reader spoke the name of Tamerlan Tsarnaev, one of the Boston Marathon bombing suspects who was killed by police during a gunfight.
"He's a terrorist," several protesters shouted.
Maybe if somebody were to Photoshop Tsarnaev holding a 32-ounce sugary soda and puffing on a Marlboro Bloomberg would see to it that supporters of his organization never speak his name again.
Update: Bloomberg's office issues an apology and blames Slate.
**Written by Doug Powers
Twitter @ThePowersThatBe
Oh really? Obama says 'this type of mass violence doesn't happen in other advanced countries'
June 18, 2015 06:10 PM by Doug Powers
For those who think gun control PSA's don't contain enough bad advice…
December 22, 2014 07:17 PM by Doug Powers
The New York Times' war on gun-owning rape victims
October 31, 2014 08:28 AM by Michelle Malkin
Hicken-weasel: Why Colorado's gutless guv is in trouble
September 24, 2014 08:20 AM by Michelle Malkin
Milwaukee County Sheriff David Clarke beats back Nanny Bloomberg's big bucks
August 13, 2014 07:24 AM by Michelle Malkin
Categories: Guns


text:
Chuck Landon: Herd fans play game of blame
Marshall fans are more up in arms than Rakeem Cato.
They are dismayed, disturbed and distraught about a Herd defense that is being "dissed" by every opposing offense.
How bad is it?
So bad, Marshall ranks as one of the very worst defenses in all of college football.
The Herd is dead-last in scoring defense ranking No. 120, allowing 44.5 points per game. It is No. 112 in rushing defense, yielding an average of 229.0 yards. And MU is No. 105 in total defense, giving up a sieve-like 469.8 yards per game.
Those horrendous statistics along with a 2-4 record have the Herd Universe pondering one predictable question.
Who is to blame?
Many fingers are pointed at defensive coordinator Chris Rippon.
Others are bothered by head coach Doc Holliday's seeming inconsistency of saying he believes defense wins championships, but then putting a mediocre defense on the field week after week.
So, whose fault is it?
Well, actually, the Marshall offense is to blame.
Yes, the same offense that has captivated the fan base. The same offense that is ranked No. 3 in the nation in passing and No. 5 in total offense. The same spread offense that is the craze of college football.
There's only one problem with the spread.
Namely, it creates terrible defense for its own team. It is virtually impossible to run the spread on offense and be the least bit competent on defense.
Delve into the history of the spread.
Such proponents of the spread as Hal Mumme, Mike Leach and Tony Franklin along with such disciples as Kevin Sumlin, Sonny Dykes and Dana Holgorsen never have coached a team with a good defense.
That's because the high-tempo of the spread offense, which leads to an incredibly large number of plays, throws a team's very own defense under the bus.
Marshall, for example, leads the nation in offensive plays with 93.6 per game. But that frenetic pace has caused the Herd's defense to be on the field for 81.5 snaps per game.
The result has been disastrous, defensively.
Yet, that is simply the nature of the spread offense beast.
Rich Rodriguez' spread at Arizona entered the weekend second in the nation in plays per game at 90.6, but the Wildcats are ranked No. 111 in total defense (480.5 yards).
Future Conference USA member Louisiana Tech was undefeated while averaging 80.4 plays per game, but was ranked next to last in the country in total defense (531.0 yards). Baylor was averaging 83.3 plays and was No. 2 in total offense with 601.5 yards per game, but ranked dead-last in total defense (571.3 yards).
Look northward to Morgantown, W.Va. Holgorsen's spread is the darling of college football, but WVU was No. 102 in total defense. Think it's a coincidence that former defensive coordinator Jeff Casteel left Holgorsen's staff after one season and took a pay cut to leap from the skillet into the inferno at Arizona?
If the premise of defense wins championships is true, then the spread offense isn't the answer. Look at Alabama and LSU. The Tide was leading the nation in total defense, but ranked No. 114 in plays per game (65.4). LSU was No. 3 in total defense and ranked No. 101 in plays (67.4).
The correlation is undeniable.
That means Marshall's defense isn't going to get much better as long as the Herd runs a true spread offense. That's the trade-off. That's the deal with this devilish offense.
Like it or not, MU fans better get used to it.
Chuck Landon is a columnist for The Herald-Dispatch. Call him at 304-526-2827 or email him at email@example.com.
The Herald-Dispatch welcomes your comments on this article, but please be civil. Avoid profanity, obscenity, personal attacks, accusations of criminal activity, name-calling or insults to the other posters. Herald-dispatch.com does not control or monitor comments as they are posted, but if you find a comment offensive or uncivil, hover your mouse over the comment and click the X that appears in the upper right of the comment. If you do not want your comment to post to your personal Facebook page, uncheck the box below the comment.


text:
Vasco Rossi tekst
- Prijavite se ili registrirajte kako bi dodali komentare
print $userName; ?> Kolovoz 22nd, 2009
Can anyone translate from Italian to English the song "Siamo Soli" by Vasco Rossi?
I fell in love with this song and his music while living in Italy and for the life of can not translate it!!
lt Kolovoz 24th, 2009
Please follow this manual http://lyricstranslate.com/en/how-request-translation and add translation request.


text:
Mont Blanc GROUP > Mont Blanc > Climber's Log
Mont Blanc Climber's Log
[ Sign the Climber's Log ]
|Italian Normal Route
Date Climbed: Jul 1, 2015
|Climbed via the Italian Normal Route. Summit at 2:42 am in the silver moonlight. :)
|Posted Jul 4, 2015 11:54 am
|End of the season
Date Climbed: Sep 28, 2014
|Summited Mont Blanc at the end of september, not much climbers on the
mountain anymore. Weather was great, nice climb!
|Posted Jan 29, 2015 7:55 am
|Liba Kopeckova
|bad weather
|I was waiting the whole week in Chamonix for the winds to calm down (not a bad place to wait:). Summited via Gouter route since the weather was not that great. We summited in the evening and had the top just to ourselves. Descent in a blizzard...
|Posted Dec 21, 2014 12:41 am
|Gouter route
Date Climbed: Jul 26, 2007
|Climbed in good weather.
|Posted Dec 19, 2014 5:32 pm
|Via Gouter
Date Climbed: Sep 21, 2014
|Bad weather. Just me and my friend that day started the climb.
|Posted Nov 7, 2014 4:49 am
|5 times
|In 2007, 2013 and 2014
3 times on the normal route (Via Gouter) and twice by the Three Mountains Route (Mont Blanc du Tacul - Mont Maudit - Mont Blanc.
4 times solo, once with a friend
|Posted Oct 11, 2014 12:58 am
|via Tres Monts
Date Climbed: May 5, 2005
|Huge day. With skis.
|Posted Sep 24, 2014 3:43 pm
Date Climbed: Aug 4, 2011
|We had bad weather and not much time...
climbed straight from the refugge, long day that ended with nice weather on the peak.
|Posted Aug 30, 2014 4:38 pm
|Long Day
Date Climbed: Jul 31, 2014
|Via Tête Rousse hut the night before and after. Early start up the rocks and beautiful weather all day, although the ridge was rather crowded. Clear and little wind, quite warm but a long day back to the hut nonetheless.
|Posted Aug 21, 2014 1:07 pm
|Great couple days
Date Climbed: Jun 23, 2014
|Unfortunately no summit view...
|Posted Jun 24, 2014 6:21 am
|Brenva Spur Solo
Date Climbed: Jun 20, 2014
|Soloed Brenva Spur from Bivouac de la Fourche. Started at midnight and summited 8 hours later.
|Posted Jun 22, 2014 10:13 am
Date Climbed: Aug 24, 2013
|Out of 8 days in the alps, the only two weather days were our summit days, so we made it Vallot hut and turned around about 1,400 from the summit. Hope to go back.
|Posted Aug 27, 2013 8:33 am
|My 6th ascent...
Date Climbed: Jul 10, 2013
|Climbed this time via the 'Italian' normal route, which I have had on my 'to-do' list for a long time.
This ascent ticked off 2 other 'to-do's' - a bivvy on the summit plus crossing to Mont Blanc de Courmeyeur.
The night at the top of Europe was complicated by a thunderstorm - more to follow in the planned trip report!
|Posted Jul 14, 2013 2:07 pm
|My second time
Date Climbed: Jul 10, 2013
|Mark and I climbed the Italian normal route and bivvied (almost) on the summit. Next morning we made a foray to Mont Blanc de Courmayeur before descending the 3 monts route, which is how I had climbed it the first time, four years ago. Although the Italian route is much longer, technically I found it easier than the 3 monts.
|Posted Jul 12, 2013 12:35 pm
|3 Monts route
Date Climbed: Jul 6, 2013
|Climbed with Mike Chen, lead by a Chamonix High Mountain Guide. Summitted in 6 hrs 20 min from Cosmiques Refuge. Awesome mountain and what an exceptional route!
|Posted Jul 6, 2013 2:49 pm
|good weather
Date Climbed: Aug 12, 2012
|Up and down, one night at Tete Rousse.
|Posted Jul 3, 2013 9:35 am
|3 Mounts Traversee
Date Climbed: Jun 19, 2013
|Reached the summit at 7.15am, hard, very hard mountain to climb. Started at Aiugille du Midi did 3 Mounts Traversee, descend by Gouter Route.
|Posted Jun 24, 2013 2:37 pm
|Monte Bianco from the Italian side
Date Climbed: Jul 18, 2012
|Avoided the masses and the crowded Gouter hut by chosing the so-called Pope route via Gonella hut which hosted only 15 other guests that day. Slept very well, then summited in perfect weather and descended to Chamonix.
|Posted Jun 18, 2013 7:30 pm
|Great views
Date Climbed: Aug 9, 2005
|Nice mountain! Very reminiscent of Rainier
|Posted Jun 4, 2013 7:30 am
|Mont Blanc via Gouter
Date Climbed: Jul 6, 2011
|Cloudy at the top but awesome views when descending. My first mountain over 3000.
|Posted May 19, 2013 1:05 pm


text:
Incumbent President James Pallotta has reassured Roma fans "we are only at the beginning. Have faith in us."
There were high hopes when the American investors took over the club last summer, but under Luis Enrique they failed to even qualify for Europe, so Zdenek Zeman is now on the bench.
"I am feeling such great emotions, as I could not have imagined such a great friendly as the one we played against Liverpool," Pallotta said of last night's 2-1 win.
The game was played at Fenway Park in Boston, as Pallotta and current President Thomas Di Benedetto own shares in Liverpool, Roma and the Boston Red Sox baseball team.
"We are on the right path, but we are only at the beginning of this project," Pallotta told Roma Channel.
"I told the lads and the staff to enjoy themselves this week, enjoy Boston and be happy. Boston is the ideal city to host Roma and we want to show everything we are doing.
"The more people see what our plans are, the more we can set an important trend. We want to go to Asia next year, hopefully going through two nations, then returning to the United States.
"We are only at the start and need time, so have faith in us. Forza Roma!"
Think you know your Italian football? Share your knowledge, tips and comments to win cash prizes in OLBG's tipster competition - £11,000 to be won monthly!


text:
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Copyright for Official University records is held by Duke University; all other copyright is retained by the authors of items in these papers, or their descendants, as stipulated by United States copyright law.
[Identification of item], Blue Devil Reference Collection, Duke University Archives, David M. Rubenstein Rare Book & Manuscript Library, Duke University.
The Blue Devil Reference collection was compiled from a variety of sources by University Archives staff for reference and research.
Processed by Tom Harkins, May 2004
Encoded by Kimberly Sims, September 2006
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This finding aid is NCEAD compliant.
The Blue Devil Reference Collection contains files of clippings and other material about Duke University's mascot. Topics include the French mountain troops for whom Duke's mascot is named, the costume, drawings, history, public opinion, and copies of the handout, "Why a Blue Devil?" The collection also includes folders about uses of the Blue Devil name. This collection was compiled from a variety of sources by the University Archives for use in reference and research.
These are searchable subject entries for this collection. Performing a search on these subjects in the Duke University Libraries online catalog will bring up other related research materials.


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This is the second volume of a trilogy, the promised sequel to the excellent Elements of the Representation Theory of Associative Algebras 1: Techniques of Representation Theory (which I reviewed for MAA Reviews), by the same authors together with Ibrahim Assem. In the first volume, the authors had promised us only a second volume. However, considering that this volume is 284 pages long without the bibliography and the index, and that what became the third volume (Elements of the Representation Theory of Associative Algebras 3: Representation-infinite Tilted Algebras ) is a whopping 456 pages, readers will certainly understand the need for making the set a trilogy.
Like the first volume, this book is published in the series of London Mathematical Society Student Texts . There is certainly no illusion, however, as to who the audience should be. The readership of this volume is definitely a proper subset of that of the first volume! Mathematicians with some graduate algebra under their belts could get much out of the previous book; those who would read this one will have to be a lot more dedicated and experienced.
The book begins with the introduction of the notion of stable tubes (Chapter X) whose geometry becomes a useful tool in the rest of the book. Then the focus moves on to concealed algebras of Euclidean type (Chapters XI and XII) which are tilted algebras of Euclidean type defined by a certain postprojective tilting module. (Euclidean in this context means that the quivers attached to the algebra are of Dynkin type A, D or E). In Chapter XIII, some of the constructions of the earlier chapters are applied to determine the complete list of indecomposable regular modules over a path algebra associated with any given canonically oriented Euclidean quiver. Then using elementary tilting theory (developed already in Volume I), the results are extended to algebras with arbitrary quivers of Euclidean type. Chapter XIV is on minimal representation-infinite algebras.
I must emphasize that the book is exquisitely written, in a way that certainly allows it to be used in the classroom; but there are not that many classrooms for it. The main thing that distinguishes this book from a standard research monograph is the existence of several end-of-the-chapter exercises for each chapter.
On the other hand, the book is more realistically and perfectly suited for self-study by graduate students in representation theory, and mathematicians in other fields who have already mastered most of the material in the first volume will also find this book understandable. However, it should most definitely be emphasized that throughout this second volume, all the major tools developed in the first volume (theory of almost split sequences, tilting theory and integral quadratic forms) are extensively used, so a superficial read of the first volume will not suffice.
Gizem Karaali is assistant professor of mathematics at Pomona College.
Introduction; 10. Tubes; 11. Module categories over concealed algebras of Euclidean type; 12. Regular modules and tubes over concealed algebras of Euclidean type; 13. Indecomposable modules and tubes over hereditary algebras of Euclidean type; 14. Minimal representation-infinite algebras; Bibliography; Index; List of symbols.


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TV Guide Responds To Taraji P. Henson's Claims That She Was 'Snubbed'
Last night, I was riding in West Hollywood when I spotted a Billboard for the new CBS Series, 'Person Of Interest'. After the whole Taraji/TV guide debacle the other day, I couldn't help but notice that someone was missing from the Billboard.
Earlier this week, Taraji P. Henson blasted TV guide for leaving her out of a cover story that featured her co-stars of the new CBS drama series, 'Person Of Interest'. She wrote on her facebook:
WOW!!!! TV Guide is NOT including me on the cover with my cast members…..I am the female lead of a 3 member cast and I'm not included on the cover!!!!!! Do you see the sh*t I have to deal with in this business…..I cram to understand!!!!"
Well, it looks like she's not included on any of the Billboards, either. I think it's time to take that up with the network, not TV Guide. You would think that her fan base, (over 3 million facebook fans and nearly a million followers on twitter), as well as past Emmy and Oscar Award nominations would attract more viewers to the show so why would she not be included in the promos?
Yesterday, Too Fab caught up with the Editor-in-Chief of TV Guide Magazine and TVGuidemagazine.com to get a clear understanding of why only the two male stars were the focus on the cover and here's what she had to say:
"I made an editorial decision to do a story about the relationship between the two male characters on 'Person of Interest' and that's who I was going to put on the cover. That has been my decision all along, ever since I saw the pilot. We're certainly fans of Taraji Henson and her storyline on the show was never intended to be the focus of our cover story. I don't know where there was a misunderstanding about this, but it's been clear to everyone from the start. I don't make decisions on who is put and not put on the cover based on race or gender.
She also added:
This week's cover September 26 issue features the three stars of 'Charlie's Angels' — Minka Kelly, Annie Illonzeh and Rachael Taylor. We are not pursuing a cover of 'Person of Interest' at this time
Looks like they scrapped the 'Person Of Interest' cover.
The good news is, CBS added two scene photos of Taraji to the 'Person Of Interest' page since yesterday.
The series premieres tonight at 9pm on CBS
Thanks to Too Fab