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1

Hydraulic fractur ing--also called hy  

E-Print Network [OSTI]

Hydraulic fractur ing--also called hy drofracking or frack ing--is a process where large volumes) is an aquatic invasive spe cies listed on the USDA's federal noxious weeds list (http:// www.aphis.usda.gov/plant_health

Goodman, Robert M.

2

Studies of waveform requirements for intermediate mass-ratio coalescence searches with advanced detectors  

E-Print Network [OSTI]

The coalescence of a stellar-mass compact object into an intermediate-mass black hole (intermediate mass-ratio coalescence; IMRAC) is an important astrophysical source for ground-based gravitational-wave interferometers in the so-called advanced configuration. However, the ability to carry out effective matched-filter based searches for these systems is limited by the lack of reliable waveforms. Here we consider binaries in which the intermediate-mass black hole has mass in the range 24 - 200 solar masses with a stellar-mass companion having masses in the range 1.4 - 18.5 solar masses. In addition, we constrain the mass ratios, q, of the binaries to be in the range 1/140 searches could be performed with losses in detection rates L in the range 10% searches based on inspiral-only templates lead to a loss in detection rates in the range 27% < L < 50%$, and (iii) templates that include merger and ringdown are essential to prevent losses in detection rates greater than 50%. We investigate the effectiveness with which the inspiral-only portion of the IMRAC waveform space is covered by comparing several existing waveform families in this regime. Our results reinforce the importance of extensive numerical relativity simulations of IMRACs and the need for further studies of suitable approximation schemes in this mass range.

R. J. E. Smith; I. Mandel; A. Vecchio

2014-01-07T23:59:59.000Z

3

Curriculum Vitae Prof. Ing. Vincenzo Tucci  

E-Print Network [OSTI]

Curriculum Vitae Prof. Ing. Vincenzo Tucci;Vincenzo Tucci Curriculum Vitae Pagina 2 di 15 Vincenzo Tucci Professore Ordinario di Elettrotecnica;Vincenzo Tucci Curriculum Vitae Pagina 3 di 15 II. ATTIVIT� SCIENTIFICA Il prof. Tucci è responsabile del

Costagliola, Gennaro

4

Ing Arvid Nesheim | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429 Throttled (bot load) Error 429IndianaProfessional JumpInfoSpiIng Arvid Nesheim

5

Power and sample size calculations for designing rare variant sequenc-ing association studies.  

E-Print Network [OSTI]

of the statistical power of SKAT. Required sample size can be computed easily by inverting the power functionPower and sample size calculations for designing rare variant sequenc- ing association studies pow- erful than the collapsing based burden tests under many circumstances [4]. To design new sequence

Lin, Xihong

6

After the 1950's: Looking Back at William Inge  

E-Print Network [OSTI]

that there is an Aaron Copeland quality to Inge’s plays – a lyrical (45) sadness (with overtones of “Moonglow”?). Without fanfare or hyperbole, typical of his style as a man and playwright (he dressed and spoke plainly), William Inge had told me something sad, wise... at the center of his plays.] And of equal, if not greater importance, Rubin has no place to go. He is a “harness” salesman (229) in the age of the automobile. “Raised on a ranch,” he is a son of the West. A son of pioneers, he is “a stranger in the very land...

Wolf, Howard R.

2010-04-21T23:59:59.000Z

7

Fort Inge and the Texas frontier, 1849-1869  

E-Print Network [OSTI]

) May 1991 ABSTRACT Fort Inge and the Texas Frontier, 1849-1869. (May 1991) Thomas Tyree Smith B. S. in Ed. , Southwest Texas State University Chair of Advisory Committee: Dr. Joseph G. Dawson III Now an obscure site near Uvalde, Fort Inge was once...'s Report on the Eighth Nilitary Department, " Cartographic Division, DR 148, RG 77, NA. 12 NOTES 1. Frederick Law Olmsted, A Journey Through Texas: Or A Saddle- Trip On the Southwestern Frontier (New York: Dix, Edwards 6 Co. , 1857; rpr. , Austin...

Smith, Thomas Tyree

1991-01-01T23:59:59.000Z

8

H C26 Performance Analysis of Optica1 Interconnection Systems Inch-ing  

E-Print Network [OSTI]

Analysis of Optica1 Interconnection Systems Inch- ing T ransmitter T emperature Dependence .è ¯ � , � � ì

Choi, Woo-Young

9

Power Electronics and Electrical Drives Prof. Dr.-Ing. Joachim Bcker  

E-Print Network [OSTI]

vehiclesElectric vehicles RailCab Power Electronics Switched-mode power supplies High efficiency Drives and Electric Vehicles Power Electronics and Electrical Drives 5 Prof. Dr.-Ing. Joachim BöckerPower Electronics and Electrical Drives Prof. Dr.-Ing. Joachim Böcker Research Topics Mechatronic

Hellebrand, Sybille

10

"Dark Web: Exploring and Min-ing the Dark Side of the Web"  

E-Print Network [OSTI]

in the internationally re- nowned Dark Web project will be reviewed, including: deep/dark web spider- ing (web sitesTitle: "Dark Web: Exploring and Min- ing the Dark Side of the Web" Speaker: Director, Prof will review the emerging research in Terrorism Informatics based on a web mining perspective. Recent progress

Michelsen, Claus

11

Improved Signal-to-Noise Ratio Estimation for Speech Enhancement  

E-Print Network [OSTI]

1 Improved Signal-to-Noise Ratio Estimation for Speech Enhancement Cyril Plapous, Member, IEEE speech enhancement in noisy environments. State-of- the-art short-time noise reduction techniques reduction techniques, includ- ing TSNR, introduce harmonic distortion in enhanced speech because

Paris-Sud XI, Université de

12

A review of "“The Temple” mit einer deutschen Versübersetzung." by Inge Leimberg ed. George Herbert  

E-Print Network [OSTI]

REVIEWS 189 George Herbert. ?The Temple? mit einer deutschen Vers?bersetzung. Ed. Inge Leimberg. M?nster, New York, Munich, Berlin: Waxmann Verlag, 2002. xx + 473 pp. 39,00 EURO. Review by BILL ENGEL (NASHVILLE, TENNESSEE). Seventeenth...

Bill Engel

2002-01-01T23:59:59.000Z

13

Office Buildings: Developer's Requirements- Consultant's Solutions  

E-Print Network [OSTI]

Ein Kooperationsvortrag von Office Buildings: Developer?s Requirements ? Consultant?s Solutions Dipl.-Ing. (TU) Jens Arndt Vivico Real Estate GmbH, Frankfurt a. M., Germany Dipl.-Ing. (TU) Peter Forster Ebert-Ingenieure Berlin GmbH 8. Kongress f...?r Geb?ude- und Betriebsoptimierung - ICEBO?08 October 20/21/22 2008 ESL-IC-08-10-35a Proceedings of the Eighth International Conference for Enhanced Building Operations, Berlin, Germany, October 20-22, 2008 Seite 2 Dipl.-Ing (TU) Jens Arndt; Vivico...

Forster, P.; Arndt, J.

14

This tutorial describes stroke-based render-ing (SBR), an automatic approach to cre-  

E-Print Network [OSTI]

This tutorial describes stroke-based render- ing (SBR), an automatic approach to cre- ating nonphotorealistic imagery by placing discrete elements such as paint strokes or stipples. Researchers have proposed strokes are placed in a manner that match- estheoriginalphotograph,andthen rendered to have the appearance

Toronto, University of

15

TRANSPORTATION SYSTEMS are the build-ing blocks of modern society. Efficient and  

E-Print Network [OSTI]

TRANSPORTATION SYSTEMS are the build- ing blocks of modern society. Efficient and safe movement. How- ever, transportation systems by their very nature also affect the environment through operations, construction, and maintenance of transportation facilities, and through the travel behaviors they encourage

Storici, Francesca

16

Fraunhofer FOKUSCompetence Center NGNI Prof. Dr.-Ing. habil Thomas Magedanz  

E-Print Network [OSTI]

Fraunhofer FOKUSCompetence Center NGNI Overview �berblick 1 Prof. Dr.-Ing. habil Thomas Magedanz Berlin, Germany Internet: www.av.tu-berlin.de Email: tm@cs.tu-berlin.de #12;Fraunhofer FOKUSCompetence and IT is fueling the innovation in Service Delivery Platforms and underlying networking infrastructures · IP

Wichmann, Felix

17

CAD BASED DRILLING USING CONVENTIONAL TWIST DRILLS PANAGIOTIS KYRATSIS*, Dr. Ing. NIKOLAOS BILALIS**, Dr. VASILIS  

E-Print Network [OSTI]

CAD BASED DRILLING USING CONVENTIONAL TWIST DRILLS PANAGIOTIS KYRATSIS*, Dr. Ing. NIKOLAOS BILALIS, antoniadis@dpem.tuc.gr Abstract: Twist drills are geometrically complex tools, which are used in industry and experimental approaches for drilling simulation. The present paper is based on the ground that the increasing

Aristomenis, Antoniadis

18

Climate change is not "a problem" wait-ing for "a solution". It is an environ-  

E-Print Network [OSTI]

41 Climate change is not "a problem" wait- ing for "a solution". It is an environ- mental, cultural humanity's place on Earth. My new book, Why We Disagree About Climate Change, dissects this idea of climate about it. It also develops a different way of approaching the idea of climate change and of working

Hulme, Mike

19

BEST MANAGEMENT PRACTICES FOR POTATOES seec ing Potato Voriet-es  

E-Print Network [OSTI]

BEST MANAGEMENT PRACTICES FOR POTATOES seec ing Potato Voriet-es for Mic -gon 45¢ Richard Chase bal to a high quality potato crop for commer- inche in rows 34 inches apart. Based on a soil test cial outlet. Extensive potato Ibs K20/A. variety performance trials are conducted each year Harvests were made

Douches, David S.

20

1D AND 3D SYSTEMS IN MACHINE AUTOMATION Dr.-Ing. Werner Stempfhuber  

E-Print Network [OSTI]

1D AND 3D SYSTEMS IN MACHINE AUTOMATION Dr.-Ing. Werner Stempfhuber Leica Geosystems AG Heerbrugg with "stringless technology". Today there is a large range of potential markets for new machine automation, mining and agricultural industries. The use of machine automation in these applications will alter

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

UC DAVIS College of engIneerIng 2012 13 Annual report  

E-Print Network [OSTI]

and industry, and included speakers from the Lawrence Livermore National Laboratory, General Motors, CarnegieUC DAVIS College of engIneerIng 2012 ­13 Annual report #12;College of engineering, UC Davis a relations College of engineering, UC Davis 1 Shields Avenue, Kemper Hall 1027 Davis, CA 95616 530

Schladow, S. Geoffrey

22

he history of technology is a rich and fascinat-ing subject, combining engineering with eco-  

E-Print Network [OSTI]

T he history of technology is a rich and fascinat- ing subject, combining engineering with eco, Portuguese ships explored the un- charted coast of Africa, a daring exploit. It was a full 70 years before da- volved a compass for determining direction and a means for timing an object floating by the ship

Oriolo, Giuseppe

23

Dimension Estimation-based Spectrum Sens-ing for Cognitive Radio  

E-Print Network [OSTI]

Dimension Estimation-based Spectrum Sens- ing for Cognitive Radio Bassem Zayen and Aawatif Hayar. Introduction The discrepancy between current-day spectrum allocation and spectrum use sug- gests that radio mean that radios could find and adapt to any immediate local spectrum availability. A new class

Gesbert, David

24

Shock chlorination is a method of disinfect-ing a water well. It is recommended when  

E-Print Network [OSTI]

period. Most water treatment equipment (such as water heaters, softeners and pressure tanks) should alsoShock chlorination is a method of disinfect- ing a water well. It is recommended when a water is the source of bacteria, the system will be contaminated again every time water is pumped into the plumbing

25

isotopic ratio | EMSL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

isotopic ratio isotopic ratio Leads No leads are available at this time. Magnesium behavior and structural defects in Mg+ ion implanted silicon carbide. Abstract: As a candidate...

26

Integrating Customized Test Requirements with Traditional Requirements in Web Application Testing  

E-Print Network [OSTI]

Integrating Customized Test Requirements with Traditional Requirements in Web Application Testing Existing test suite reduction techniques employed for test- ing web applications have either used-based requirements in relation to test suite reduction for web applications. We investigate the use of usage

Sampath, Sreedevi

27

REVISTA INTERNACIONAL METODOS NUMERICOS EN INGENIERIA Rev. Int. Met. Numer. Ing.  

E-Print Network [OSTI]

REVISTA INTERNACIONAL M´ETODOS NUM´ERICOS EN INGENIER´IA Rev. Int. M´et. Num´er. Ing. Un nuevo de Galerkin discontinuo H. G´omez, I. Colominas* , F. Navarrina, M. Casteleiro Grupo de M´etodos Num´ericos enfoque para el tratamiento de los t´erminos difusivos de la ecuaci´on de convecci´on-difusi´on en el m´etodo

Gomez, Hector

28

EMSL - isotopic ratio  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

isotopic-ratio en Magnesium behavior and structural defects in Mg+ ion implanted silicon carbide. http:www.emsl.pnl.govemslwebpublicationsmagnesium-behavior-and-structural-def...

29

ARM - Measurement - Isotope ratio  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc Documentation RUC : XDCResearch Related InformationAciddropletgovMeasurementsIsotope ratio ARM

30

208 | Intermodal transportatIon: movIng FreIght In a global economy 7.1 Introduction  

E-Print Network [OSTI]

208 | Intermodal transportatIon: movIng FreIght In a global economy #12;7 7.1 Introduction Air become an indispensible part of the world's global economy, holding an important niche in the transport al mutawaly | 209© 2010 EnoTransportation Foundation.www.enotrans.com Reprinted from IntermodalTransportation:MovingFreightinaGlobalEconomy

Keskinocak, Pinar

31

he application of rapid prototyping (RP) in fabricat-ing nonassembly robotic systems with inserts is pre-  

E-Print Network [OSTI]

T he application of rapid prototyping (RP) in fabricat- ing nonassembly robotic systems for the rapid and automatic design and fabrication of robotic sys- tems a reality is to study the application with inserts is pre- sented in this article. The development of robotic systems that have all necessary

Mavroidis, Constantinos

32

Measurements of the soot emissions and engine operat-ing parameters from a diesel engine during transient op-  

E-Print Network [OSTI]

ABSTRACT Measurements of the soot emissions and engine operat- ing parameters from a diesel engine and are the subject of future research. INTRODUCTION Soot emissions from diesel engines are well known to have gov- erning the emission of particles from diesel engines are becoming ever more stringent. The soot

Daraio, Chiara

33

The solar eclipse is indeed a momentous, or at least visually entertain-ing and curious happening in astrology.  

E-Print Network [OSTI]

The solar eclipse is indeed a momentous, or at least visually entertain- ing and curious happening recordings of lunar and solar eclipses. 2 #12;The Dresden Codex was for the Mayans a way to predict eclipses likely that Martin Meinshausen proposed that this data was related to the timing of series of solar

Little, John B.

34

ribology is the science and technology of contact-ing solid surfaces in relative motion, including the  

E-Print Network [OSTI]

» friction and lubrication under extreme conditions, such as high-temperature or nonequilibrium, includ- ing, including the study of lubricants, lubrication, friction, wear, and bearings. It is estimated that friction), and in the development of durable, low-friction surfaces and ultra-thin lubrication films. Friction between contacting

Guo, Yi

35

Seismic technology will be of key importance for evaluat-ing gas-hydrate resources, particularly across the Gulf of  

E-Print Network [OSTI]

Seismic technology will be of key importance for evaluat- ing gas-hydrate resources, particularly to be acquired. To apply seismic technology to gas-hydrate studies in the gulf in an optimal manner, it is essential to understand the seismic target that has to be analyzed. What is gas hydrate? Gas hydrate

Texas at Austin, University of

36

CLEAN(ING) COAL: THE ENTHYMEMATIC QUALITIES OF IMAGES, EDITING AND COLOR IN CLEAN COAL ADVERTISING.  

E-Print Network [OSTI]

??Energy advertisements in the United States have increased in both prominence and political importance in recent years. The increasing pressure of environmental concerns requires energy… (more)

Struth, Matthew Steven

2014-01-01T23:59:59.000Z

37

Peak power ratio generator  

DOE Patents [OSTI]

A peak power ratio generator is described for measuring, in combination with a conventional power meter, the peak power level of extremely narrow pulses in the gigahertz radio frequency bands. The present invention in a preferred embodiment utilizes a tunnel diode and a back diode combination in a detector circuit as the only high speed elements. The high speed tunnel diode provides a bistable signal and serves as a memory device of the input pulses for the remaining, slower components. A hybrid digital and analog loop maintains the peak power level of a reference channel at a known amount. Thus, by measuring the average power levels of the reference signal and the source signal, the peak power level of the source signal can be determined.

Moyer, Robert D. (Albuquerque, NM)

1985-01-01T23:59:59.000Z

38

EXCELLENTIA CoLumbIA ENgINEErINg26 en million Americans suffer from osteoporosis, a gradual weakening of the  

E-Print Network [OSTI]

HEALTH EXCELLENTIA CoLumbIA ENgINEErINg26 T en million Americans suffer from osteoporosis Laboratory, is try- ing to figure out how to prevent and treat osteoporosis from both engineering analysis of osteoporosis. Guo and his team also plan to use their knowledge to better understand osteoporosis and bone loss

Hone, James

39

Weather-Corrected Performance Ratio  

SciTech Connect (OSTI)

Photovoltaic (PV) system performance depends on both the quality of the system and the weather. One simple way to communicate the system performance is to use the performance ratio (PR): the ratio of the electricity generated to the electricity that would have been generated if the plant consistently converted sunlight to electricity at the level expected from the DC nameplate rating. The annual system yield for flat-plate PV systems is estimated by the product of the annual insolation in the plane of the array, the nameplate rating of the system, and the PR, which provides an attractive way to estimate expected annual system yield. Unfortunately, the PR is, again, a function of both the PV system efficiency and the weather. If the PR is measured during the winter or during the summer, substantially different values may be obtained, making this metric insufficient to use as the basis for a performance guarantee when precise confidence intervals are required. This technical report defines a way to modify the PR calculation to neutralize biases that may be introduced by variations in the weather, while still reporting a PR that reflects the annual PR at that site given the project design and the project weather file. This resulting weather-corrected PR gives more consistent results throughout the year, enabling its use as a metric for performance guarantees while still retaining the familiarity this metric brings to the industry and the value of its use in predicting actual annual system yield. A testing protocol is also presented to illustrate the use of this new metric with the intent of providing a reference starting point for contractual content.

Dierauf, T.; Growitz, A.; Kurtz, S.; Cruz, J. L. B.; Riley, E.; Hansen, C.

2013-04-01T23:59:59.000Z

40

Energy Profit Ratio Compared  

SciTech Connect (OSTI)

We need more oil energy to take out oil under the ground. Limit resources make us consider other candidates of energy source instead of oil. Electricity shall be the main role more and more like electric vehicles and air conditioners so we should consider electricity generation ways. When we consider what kind of electric power generation is the best or suitable, we should not only power generation plant but whole process from mining to power generation. It is good way to use EPR, Energy Profit Ratio, to analysis which type is more efficient and which part is to do research and development when you see the input breakdown analysis. Electricity by the light water nuclear power plant, the hydrogen power plant and the geothermal power plant are better candidates from EPR analysis. Forecasting the world primly energy supply in 2050, it is said that the demand will be double of the demand in 2000 and the supply will not be able to satisfy the demand in 2050. We should save 30% of the demand and increase nuclear power plants 3.5 times more and recyclable energy like hydropower plants 3 times more. When the nuclear power plants are 3.5 times more then uranium peak will come and we will need breed uranium. I will analysis the EPR of FBR. Conclusion: A) the EPR of NPS in Japan is 17.4 and it is the best of all. B) Many countries will introduce new nuclear power plants rapidly may be 3.5 times in 2050. C) Uranium peak will happen around 2050. (author)

Amano, Osamu [2-11-1, Iwado Kita, Komae-shi, Tokyo 201-8511 (Japan)

2007-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Requirements on Quality Specification Posed by Service Orientation  

E-Print Network [OSTI]

their contribution to service oriented QoS specification is still missing. In this paper we present a strictly. Furthermore we derive requirements for future specification concepts applicable in service oriented en to the composition of products by outsourcing, which results in creat- ing business critical value chains. This trend

42

From Smart Materials to Cognitive Materials Requirements and Challenges  

E-Print Network [OSTI]

From Smart Materials to Cognitive Materials ­ Requirements and Challenges Lutz Frommberger (lutz construction, production engineer- ing, or wearable computing. Smart and sensorial materials provide a variety this application than the material itself that can be considered being "smart". In this contribution, we proceed

Bremen, Universität

43

Fission Product Ratios as Treaty Monitoring Discriminants  

SciTech Connect (OSTI)

The International Monitoring System (IMS) of the Comprehensive Test Ban Treaty Organization (CTBTO) is currently under construction. The IMS is intended for monitoring of nuclear explosions. The radionuclide branch of the IMS monitors the atmosphere for short-lived radioisotopes indicative of a nuclear weapon test, and includes field collection and measurement stations, as well as laboratories to provide reanalysis of the most important samples and a quality control function. The Pacific Northwest National Laboratory in Richland, Washington hosts the United States IMS laboratory, with the designation “RL16.” Since acute reactor containment failures and chronic reactor leakage may also produce similar isotopes, it is tempting to compute ratios of detected isotopes to determine the relevance of an event to the treaty or agreement in question. In this paper we will note several shortcomings of simple isotopic ratios: (1) fractionation of different chemical species, (2) difficulty in comparing isotopes within a single element, (3) the effect of unknown decay times. While these shortcomings will be shown in the light of an aerosol sample, several of the problems extend to xenon isotopic ratios. The result of the difficulties listed above is that considerable human expertise will be required to convert a simple mathematical ratio into a criterion which will reliably categorize an event as ‘reactor’ or ‘weapon’.

Miley, Harry S.; Bowyer, Ted W.; Greenwood, Lawrence R.; Arthur, Richard J.

2008-05-15T23:59:59.000Z

44

High ratio recirculating gas compressor  

DOE Patents [OSTI]

A high ratio positive displacement recirculating rotary compressor is disclosed. The compressor includes an integral heat exchanger and recirculation conduits for returning cooled, high pressure discharge gas to the compressor housing to reducing heating of the compressor and enable higher pressure ratios to be sustained. The compressor features a recirculation system which results in continuous and uninterrupted flow of recirculation gas to the compressor with no direct leakage to either the discharge port or the intake port of the compressor, resulting in a capability of higher sustained pressure ratios without overheating of the compressor. 10 figs.

Weinbrecht, J.F.

1989-08-22T23:59:59.000Z

45

A Case Study on Specifying Quality Requirements Using a Quality Model  

E-Print Network [OSTI]

at Siemens in which we compare the requirements resulting from apply- ing our quality model have to be transformed into useful and appropriate requirements. In this paper, we evaluate a quality study at Siemens the existing specification of a traffic control system and compare it to a new

Wagner, Stefan

46

The effect of freezing on the sulfate-chloride and density-chloride ratios of sea-water  

E-Print Network [OSTI]

in the sulphate-chloride ratio would be expected to have a corresponi- ingly larger effect, on density than would one of the less abundant iona. CHAPTER II LITERATURE REVIEW Evidence for Sulphate Enricl ment in Ice The sulphate-chloride ratio was studied... as early as 1907 vhen Ringer performed laboratory freezing experiments vith sea-vater in which he cooled sea-water until solid salts began to freeze out. of solution. l Portions of the ice and the brine below the ice vere collected and analyzed...

Burkhalter, Albert Charles

1967-01-01T23:59:59.000Z

47

Material development in the SI sub 3 N sub 4 system using glass encapsulated Hip'ing  

SciTech Connect (OSTI)

This report covers a two-year program to develop fully dense Si{sub 3}N{sub 4} matrix SiC whisker composites with enhanced properties over monolithic Si{sub 3}N{sub 4} materials. The primary goal was to develop a composite with a fracture toughness > 10 MPa{radical}m, capable of using high pressure glass encapsulated HIP'ing. Coating methods were developed to apply thin (<150nm) stoichiometric BN layers to SiC whiskers and also to apply a dual coating of SiC over carbon to the whiskers. Fracture toughness of the composites was determined to increase as the quantity of whiskers (or elongated grains) with their axis perpendicular to the crack plane increased. Of the interface compositions evaluated in this effort, carbon was determined to be the most effective for increasing toughness. The highest toughnesses (6.8--7.0 MPa{radical}m) were obtained with uniaxially aligned carbon coated whiskers. There was no evidence of the carbon coating compromising the oxidation resistance of the composites at 1370{degree}C.

Corbin, N.D.; Sundberg, G.J.; Siebein, K.N.; Willkens, C.A.; Pujari, V.K.; Rossi, G.A.; Hansen, J.S.; Chang, C.L.; Hammarstrom, J.L.

1992-04-01T23:59:59.000Z

48

Dr. Ing. /PhD / Dr.techn. Students supervised by Signe Kjelstrup 1. Torleif Holt, Transport and equilibrium properties of a cation exchange membrane (1983)  

E-Print Network [OSTI]

, (1996) 6. Magnar Ottøy, Mass and heat transfer in ion-exchange membranes (1996) 7. Belinda Flem, Peltier in the Polymer Electrolyte Membrane Fuel Cell (2007) 17. Isabella Inzoli, Coupled transports of heat and massDr. Ing. /PhD / Dr.techn. Students supervised by Signe Kjelstrup 1. Torleif Holt, Transport

Kjelstrup, Signe

49

EXCELLENTIA CoLumbIA ENgINEErINg22 eople suffering from brain diseases and conditions ranging from traumatic brain  

E-Print Network [OSTI]

HEALTH EXCELLENTIA CoLumbIA ENgINEErINg22 P eople suffering from brain diseases and conditions ranging from traumatic brain injury to brain cancer to progressive brain disorders could be helped if therapeu- tic drugs could be easily delivered to the affected areas. The blood-brain barrier (BBB

Hone, James

50

Discrimination of nuclear explosions against civilian sources based on atmospheric xenon isotopic activity ratios  

SciTech Connect (OSTI)

A global monitoring system for atmospheric xenon radioactivity is being established as part of the International Monitoring System that will be used to verify compliance with the Comprehensive Nuclear-Test-Ban Treaty (CTBT) once the treaty has entered into force. This paper studies isotopic activity ratios to support interpretation of observed atmospheric concentrations of 135Xe, 133mXe, 133Xe and 131mXe. The goal is to distinguish nuclear explosion sources from civilian releases. Simulations of nuclear explosions, empirical data for both test and reactor releases as well as observations by measurement stations of the International Noble Gas Experiment (INGE) are used to provide a proof of concept for the isotopic ratio based method for source discrimination.

Kalinowski, Martin B.; Axelssson, A.; Bean, Marc; Blanchard, X.; Bowyer, Ted W.; Brachet, G.; McIntyre, Justin I.; Peters, Jana; Pistner, Christoph; Raith, Maria; Ringbom, Anders; Saey, P. R.; Schlosser, C.; Stocki, Trevor J.; Taffary, T.; Ungar, R. Kurt

2010-05-01T23:59:59.000Z

51

Flexible Conversion Ratio Fast Reactor Systems Evaluation  

SciTech Connect (OSTI)

Conceptual designs of lead-cooled and liquid salt-cooled fast flexible conversion ratio reactors were developed. Both concepts have cores reated at 2400 MWt placed in a large-pool-type vessel with dual-free level, which also contains four intermediate heat exchanges coupling a primary coolant to a compact and efficient supercritical CO2 Brayton cycle power conversion system. Decay heat is removed passively using an enhanced Reactor Vessel Auxiliary Cooling System and a Passive Secondary Auxiliary Cooling System. The most important findings were that (1) it is feasible to design the lead-cooled and salt-cooled reactor with the flexible conversion ratio (CR) in the range of CR=0 and CR=1 n a manner that achieves inherent reactor shutdown in unprotected accidents, (2) the salt-cooled reactor requires Lithium thermal Expansion Modules to overcme the inherent salt coolant's large positive coolant temperature reactivity coefficient, (3) the preferable salt for fast spectrum high power density cores is NaCl-Kcl-MgCl2 as opposed to fluoride salts due to its better themal-hydraulic and neutronic characteristics, and (4) both reactor, but attain power density 3 times smaller than that of the sodium-cooled reactor.

Neil Todreas; Pavel Hejzlar

2008-06-30T23:59:59.000Z

52

Implications of Fast Reactor Transuranic Conversion Ratio  

SciTech Connect (OSTI)

Theoretically, the transuranic conversion ratio (CR), i.e. the transuranic production divided by transuranic destruction, in a fast reactor can range from near zero to about 1.9, which is the average neutron yield from Pu239 minus 1. In practice, the possible range will be somewhat less. We have studied the implications of transuranic conversion ratio of 0.0 to 1.7 using the fresh and discharge fuel compositions calculated elsewhere. The corresponding fissile breeding ratio ranges from 0.2 to 1.6. The cases below CR=1 (“burners”) do not have blankets; the cases above CR=1 (“breeders”) have breeding blankets. The burnup was allowed to float while holding the maximum fluence to the cladding constant. We graph the fuel burnup and composition change. As a function of transuranic conversion ratio, we calculate and graph the heat, gamma, and neutron emission of fresh fuel; whether the material is “attractive” for direct weapon use using published criteria; the uranium utilization and rate of consumption of natural uranium; and the long-term radiotoxicity after fuel discharge. For context, other cases and analyses are included, primarily once-through light water reactor (LWR) uranium oxide fuel at 51 MWth-day/kg-iHM burnup (UOX-51). For CR<1, the heat, gamma, and neutron emission increase as material is recycled. The uranium utilization is at or below 1%, just as it is in thermal reactors as both types of reactors require continuing fissile support. For CR>1, heat, gamma, and neutron emission decrease with recycling. The uranium utilization exceeds 1%, especially as all the transuranic elements are recycled. exceeds 1%, especially as all the transuranic elements are recycled. At the system equilibrium, heat and gamma vary by somewhat over an order of magnitude as a function of CR. Isotopes that dominate heat and gamma emission are scattered throughout the actinide chain, so the modest impact of CR is unsurprising. Neutron emitters are preferentially found among the higher actinides, so the neutron emission varies much stronger with CR, about three orders of magnitude.

Steven J. Piet; Edward A. Hoffman; Samuel E. Bays

2010-11-01T23:59:59.000Z

53

Saving Energy on WiFi With Required IPsec Youngsang Shin, Steven Myers, and Minaxi Gupta  

E-Print Network [OSTI]

Saving Energy on WiFi With Required IPsec Youngsang Shin, Steven Myers, and Minaxi Gupta School.indiana.edu,samyers@indiana.edu,minaxi@cs.indiana.edu Abstract. The move to a pervasive computing environment, with the increas- ing use of laptops, netbooks a transitory network connection due to mobility or energy-saving protocols. In this work we study the ability

Gupta, Minaxi

54

Variable ratio regenerative braking device  

DOE Patents [OSTI]

Disclosed is a regenerative braking device (10) for an automotive vehicle. The device includes an energy storage assembly (12) having a plurality of rubber rollers (26, 28) mounted for rotation between an input shaft (36) and an output shaft (42), clutches (38, 46) and brakes (40, 48) associated with each shaft, and a continuously variable transmission (22) connectable to a vehicle drivetrain and to the input and output shafts by the respective clutches. The rubber rollers are torsionally stressed to accumulate energy from the vehicle when the input shaft is clutched to the transmission while the brake on the output shaft is applied, and are torsionally relaxed to deliver energy to the vehicle when the output shaft is clutched to the transmission while the brake on the input shaft is applied. The transmission ratio is varied to control the rate of energy accumulation and delivery for a given rotational speed of the vehicle drivetrain.

Hoppie, Lyle O. (Birmingham, MI)

1981-12-15T23:59:59.000Z

55

eNgINeerINg g r A d U A T e P r O g r A M S  

E-Print Network [OSTI]

IIT ArMOUr COllege Of eNgINeerINg g r A d U A T e P r O g r A M S Educating a nEw gEnEration of EnginEErs #12;A TrAdiTion of ExcEllEncE Armour College of Engineering was founded in 1893 as Armour Institute, dedicated to preparing students from all backgrounds for careers as engineers in a rapidly

Heller, Barbara

56

Dorin, A. & Korb, K.B., "Building Virtual Ecosystems from Artificial Chemistry", in Proceed-ings of the 9th European Conference on Artificial Life, Almeida e Costa (ed.), Springer-Verlag,  

E-Print Network [OSTI]

of the 9th European Conference on Artificial Life, Almeida e Costa (ed.), Springer-Verlag, 2007 pp103Dorin, A. & Korb, K.B., "Building Virtual Ecosystems from Artificial Chemistry", in Proceed- ings

Dorin, Alan

57

Eccentric crank variable compression ratio mechanism  

DOE Patents [OSTI]

A variable compression ratio mechanism for an internal combustion engine that has an engine block and a crankshaft is disclosed. The variable compression ratio mechanism has a plurality of eccentric disks configured to support the crankshaft. Each of the plurality of eccentric disks has at least one cylindrical portion annularly surrounded by the engine block. The variable compression ratio mechanism also has at least one actuator configured to rotate the plurality of eccentric disks.

Lawrence, Keith Edward (Kobe, JP); Moser, William Elliott (Peoria, IL); Roozenboom, Stephan Donald (Washington, IL); Knox, Kevin Jay (Peoria, IL)

2008-05-13T23:59:59.000Z

58

Abundance Ratios in Early-Type Galaxies  

E-Print Network [OSTI]

Although evidence is accumulating that abundance ratios in galaxies are often non-solar, they are far from understood. I resume the current evidence for non-solar abundance ratios, supplementing the recent review by Worthey (1998) with some new results. It appears that the Mg/Fe abundance ratio only depends on the mass of the galaxy, not on the formation time-scale. For massive galaxies [Mg/Fe] > 0, while small galaxies show solar abundance ratios. Information about abundances of other element is scarce, but new evidence is given that [Ca/Fe] is solar, or slightly lower than solar, contrary to what is expected for an alpha-element.

Reynier Peletier

1999-04-21T23:59:59.000Z

59

Graduation Requirements and Procedures Graduation Requirements and  

E-Print Network [OSTI]

/Degree Audit (DARS) or contact the department offering the major. Graduation Average Requirement The minimum

60

Effect of Compression Ratio and Piston Geometry on RCCI load...  

Broader source: Energy.gov (indexed) [DOE]

Compression Ratio and Piston Geometry on RCCI load limit Effect of Compression Ratio and Piston Geometry on RCCI load limit Explores the effect of compression ratio and piston...

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

8, 41994219, 2008 Study of the ratios  

E-Print Network [OSTI]

(UV) spectra of atmospheric global irradiance with the miniature fiber optic spectrometer AvaSpec-256ACPD 8, 4199­4219, 2008 Study of the ratios UV-A/UV-B from UV irradiance spectra I. Ansko et al@aai.ee) 4199 #12;ACPD 8, 4199­4219, 2008 Study of the ratios UV-A/UV-B from UV irradiance spectra I. Ansko et

Boyer, Edmond

62

The Proton Form Factor Ratio Measurements at Jefferson Lab  

SciTech Connect (OSTI)

The ratio of the proton form factors, G{sub Ep}/G{sub Mp}, has been measured from Q{sup 2} of 0.5 GeV{sup 2} to 8.5 GeV{sup 2}, at the Jefferson Laboratory, using the polarization transfer method. This ratio is extracted directly from the measured ratio of the transverse and longitudinal polarization components of the recoiling proton in elastic electron-proton scattering. The discovery that the proton form factor ratio measured in these experiments decreases approximately linearly with four-momentum transfer, Q{sup 2}, for values above #25;~1 GeV{sup 2}, is one of the most significant results to come out of JLab. These results have had a large impact on progress in hadronic physics; and have required a significant rethinking of nucleon structure. The increasingly common use of the double-polarization technique to measure the nucleon form factors, in the last 15 years, has resulted in a dramatic improvement of the quality of all four nucleon electromagnetic form factors, G{sub Ep}, G{sub Mp}, G{sub En} and G{sub Mn}. There is an approved experiment at JLab, GEP(V), to continue the ratio measurements to 12 GeV{sup 2}. A dedicated experimental setup, the Super Bigbite Spectrometer (SBS), will be built for this purpose. It will be equipped with a focal plane polarimeter to measure the polarization of the recoil protons. The scattered electrons will be detected in an electromagnetic calorimeter. In this presentation, I will review the status of the proton elastic electromagnetic form factors and discuss a number of theoretical approaches to describe nucleon form factors.

Punjabi, Vina A. [Norfolk State University, Norfolk, VA (United States); Perdrisat, Charles F. [William and Mary College, Williamsburg, VA (United States)

2014-03-01T23:59:59.000Z

63

ing delivery of shipment. For  

E-Print Network [OSTI]

of Food arid . Fluid Intake Edited by Edward M. Stricker Univmity oj Pittsburgh Pittsburgh, Pennsylvania living. The same fact, that most free-living omnivores live in r~.as in which no single food provides,-contributed to relatively independent literatures, and employed r- ferent theoretical perspectives. " In a landmark series

Galef Jr., Bennett G.

64

Blowing Ratio Effects on Film Cooling Effectiveness  

E-Print Network [OSTI]

The research focuses on testing the film cooling effectiveness on a gas turbine blade suction side surface. The test is performed on a five bladed cascade with a blow down facility. Four different blowing ratios are used in this study, which are 0...

Liu, Kuo-Chun

2010-01-14T23:59:59.000Z

65

CHORIZOS: a CHi-square cOde for parameteRized modelIng and characteriZation of phOtometry and Spectrophotometry  

E-Print Network [OSTI]

We have developed a CHi-square cOde for parameteRized modelIng and characteriZation of phOtometry and Spectrophotometry (CHORIZOS). CHORIZOS can use up to two intrinsic free parameters (e.g. temperature and gravity for stars; type and redshift for galaxies; or age and metallicity for stellar clusters) and two extrinsic ones (amount and type of extinction). The code uses chi-square minimization to find all models compatible with the observed data in the model N-dimensional (N=1,2,3,4) parameter space. CHORIZOS can use either correlated or uncorrelated colors as input and is especially designed to identify possible parameter degeneracies and multiple solutions. The code is written in IDL and is available to the astronomical community. Here we present the techniques used, test the code, apply it to a few well-known astronomical problems, and suggest possible applications. As a first scientific result from CHORIZOS, we confirm from photometry the need for a revised temperature-spectral type scale for OB stars previously derived from spectroscopy.

J. Maíz-Apellániz

2004-08-19T23:59:59.000Z

66

The requirements discovery process  

SciTech Connect (OSTI)

Cost and schedule overruns are often caused by poor requirements that are produced by people who do not understand the requirement process. This paper provides a high-level overview of the requirements discovery process.

Bahill, A.T. [Univ. of Arizona, Tucson, AZ (United States). Systems and Industrial Engineering; Dean, F.F. [Sandia National Lab., Albuquerque, NM (United States)

1997-02-01T23:59:59.000Z

67

This list includes a sampling of volunteer opportunities and organizations working in language tutor-ing. These opportunities may be suitable for students majoring or interested in cultural-related areas.  

E-Print Network [OSTI]

This list includes a sampling of volunteer opportunities and organizations working in language tutor- ing. These opportunities may be suitable for students majoring or interested in cultural://www.guts.wisc.edu/programs/fll_tutor_info.html Want to meet new people interested in your language, develop cross-cultural communication skills, have

Wisconsin at Madison, University of

68

Control system and method for a power delivery system having a continuously variable ratio transmission  

DOE Patents [OSTI]

A control system and method for a power delivery system, such as in an automotive vehicle, having an engine coupled to a continuously variable ratio transmission (CVT). Totally independent control of engine and transmission enable the engine to precisely follow a desired operating characteristic, such as the ideal operating line for minimum fuel consumption. CVT ratio is controlled as a function of commanded power or torque and measured load, while engine fuel requirements (e.g., throttle position) are strictly a function of measured engine speed. Fuel requirements are therefore precisely adjusted in accordance with the ideal characteristic for any load placed on the engine.

Frank, Andrew A. (1034 Hillside Ave., Madison, WI 53705)

1984-01-01T23:59:59.000Z

69

Control system and method for a power delivery system having a continuously variable ratio transmission  

DOE Patents [OSTI]

A control system and method for a power delivery system, such as in an automotive vehicle, having an engine coupled to a continuously variable ratio transmission (CVT). Totally independent control of engine and transmission enable the engine to precisely follow a desired operating characteristic, such as the ideal operating line for minimum fuel consumption. CVT ratio is controlled as a function of commanded power or torque and measured load, while engine fuel requirements (e.g., throttle position) are strictly a function of measured engine speed. Fuel requirements are therefore precisely adjusted in accordance with the ideal characteristic for any load placed on the engine. 4 figs.

Frank, A.A.

1984-07-10T23:59:59.000Z

70

aspect ratio tori: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

efficiency versus a function of mobility ratio and aspect ratio for staggered line-drive waterflood pattern Texas A&M University - TxSpace Summary: ratios on five-spot and...

71

aspect ratio su-8: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

efficiency versus a function of mobility ratio and aspect ratio for staggered line-drive waterflood pattern Texas A&M University - TxSpace Summary: ratios on five-spot and...

72

air-fuel ratio: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

was performed to investigate the effects of air-fuel ratio, inlet boost pressure, hydrogen rich fuel reformate, and compression ratio on engine knock behavior. For each...

73

Two-Stage Variable Compression Ratio (VCR) System to Increase...  

Broader source: Energy.gov (indexed) [DOE]

Two-Stage Variable Compression Ratio (VCR) System to Increase Efficiency in Gasoline Powertrains Two-Stage Variable Compression Ratio (VCR) System to Increase Efficiency in...

74

Energy Balance Bowen Ratio Station (EBBR) Handbook  

SciTech Connect (OSTI)

The energy balance Bowen ratio (EBBR) system produces 30-minute estimates of the vertical fluxes of sensible and latent heat at the local surface. Flux estimates are calculated from observations of net radiation, soil surface heat flux, and the vertical gradients of temperature and relative humidity (RH). Meteorological data collected by the EBBR are used to calculate bulk aerodynamic fluxes, which are used in the Bulk Aerodynamic Technique (BA) EBBR value-added product (VAP) to replace sunrise and sunset spikes in the flux data. A unique aspect of the system is the automatic exchange mechanism (AEM), which helps to reduce errors from instrument offset drift.

Cook, DR

2011-02-23T23:59:59.000Z

75

High aspect ratio, remote controlled pumping assembly  

DOE Patents [OSTI]

A miniature dual syringe-type pump assembly is described which has a high aspect ratio and which is remotely controlled, for use such as in a small diameter penetrometer cone or well packer used in water contamination applications. The pump assembly may be used to supply and remove a reagent to a water contamination sensor, for example, and includes a motor, gearhead and motor encoder assembly for turning a drive screw for an actuator which provides pushing on one syringe and pulling on the other syringe for injecting new reagent and withdrawing used reagent from an associated sensor. 4 figs.

Brown, S.B.; Milanovich, F.P.

1995-11-14T23:59:59.000Z

76

Meteorological Effects on Air/Fuel Ratio  

E-Print Network [OSTI]

1. "Temperature Compensat d Air/Fuel Ratio Control on a Recuperated Furnace," by J. L. Ferri. GTE Products Corporation, Towanda, PA, lECTC '83 2. Chemical Engineers Handbook, PerTY and Chilton, 5th ed.., (McGraw Hlln, p. 12-7. 3. "Technology..., E = (100 ... 10) (ill) - 100 = 17.2% excess a . 2 Example 2 A furnace uses recuperators which prehe~t the combustion air to 1200 OF using 30 OF air. WithJlOO OF air, the preheated air temperature will be approxIjrnately 1270 OF, a 70 OF increase...

Ferri, J. L.

1984-01-01T23:59:59.000Z

77

Variable Compression Ratio Engine | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyTheTwoVulnerabilities | Department of|VTA,anCompression Ratio

78

Determination of 235U/238U Ratio on Urine by ICP-MS  

SciTech Connect (OSTI)

LLNL Internal Dosimetry Program - The new procedure satisfies the requirement to determine {sup 235}U/{sup 238}U ratio in bioassay urine samples. MDA - The L{sub C} and MDA{sub 95} for {sup 235}U are well below the required detection limit of 0.00035 {mu}g/L. Turn around time - Analysis of 10 samples plus 2 QCs can be completed in one work day (8 hours).

Collins, L; Gobaleza, A; Langston, R; Radev, R; Than, C; Wong, C; Wood-Zika, A

2011-10-19T23:59:59.000Z

79

A study of Poisson's ratio and the elastic and plastic properties of Ottawa sand  

E-Print Network [OSTI]

in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Mayq 1957 Ma)or Sub)acts Civil Engineering A STUDY OF POISSON'S RATIO AND THE ELASTIC AND PLASTIC PROPERTIES OF OTTAWA SAND A Thesis ROSERT RENT WZmne Captain, Corps...' IHTRODUCTIOS Engineering achievements have paced the rise oi civilization through the ages. Today the cries for greater strength, capacity and economy are heard with ever increasing frequency. Transportation and defense requirements have never lagged...

Werner, Robert Rehm

1957-01-01T23:59:59.000Z

80

Hydraulic system for a ratio change transmission  

DOE Patents [OSTI]

Disclosed is a drive assembly (10) for an electrically powered vehicle (12). The assembly includes a transaxle (16) having a two-speed transmission (40) and a drive axle differential (46) disposed in a unitary housing assembly (38), an oil-cooled prime mover or electric motor (14) for driving the transmission input shaft (42), an adapter assembly (24) for supporting the prime mover on the transaxle housing assembly, and a hydraulic system (172) providing pressurized oil flow for cooling and lubricating the electric motor and transaxle and for operating a clutch (84) and a brake (86) in the transmission to shift between the two-speed ratios of the transmission. The adapter assembly allows the prime mover to be supported in several positions on the transaxle housing. The brake is spring-applied and locks the transmission in its low-speed ratio should the hydraulic system fail. The hydraulic system pump is driven by an electric motor (212) independent of the prime mover and transaxle.

Kalns, Ilmars (Northville, MI)

1981-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Ratios of heavy hadron semileptonic decay rates  

E-Print Network [OSTI]

Ratios of charmed meson and baryon semileptonic decay rates appear to be satisfactorily described by considering only the lowest-lying (S-wave) hadronic final states and assuming the kinematic factor describing phase space suppression is the same as that for free quarks. For example, the rate for $D_s$ semileptonic decay is known to be $(17.0 \\pm 5.3)%$ lower than those for $D^0$ or $D^+$, and the model accounts for this difference. When applied to hadrons containing $b$ quarks, this method implies that the $B_s$ semileptonic decay rate is about 1% higher than that of the nonstrange $B$ mesons. This small difference thus suggests surprisingly good local quark-hadron duality for $B$ semileptonic decays, complementing the expectation based on inclusive quark-hadron duality that these differences in rates should not exceed a few tenths of a percent. For $\\Lambda_b$ semileptonic decay, however, the inclusive rate is predicted to be about 13% greater than that of the nonstrange $B$ mesons. This value, representing a considerable departure from a calculation using a heavy quark expansion, is close to the corresponding experimental ratio $\\Gamma(\\Lambda_b)/ \\bar \\Gamma(B) = 1.13 \\pm 0.03$ of total decay rates.

Michael Gronau; Jonathan L. Rosner

2010-12-27T23:59:59.000Z

82

Determining the slag fraction, water/binder ratio and degree of hydration in hardened cement pastes  

SciTech Connect (OSTI)

A method for determining the original mix composition of hardened slag-blended cement-based materials based on analysis of backscattered electron images combined with loss on ignition measurements is presented. The method does not require comparison to reference standards or prior knowledge of the composition of the binders used. Therefore, it is well-suited for application to real structures. The method is also able to calculate the degrees of reaction of slag and cement. Results obtained from an experimental study involving sixty samples with a wide range of water/binder (w/b) ratios (0.30 to 0.50), slag/binder ratios (0 to 0.6) and curing ages (3 days to 1 year) show that the method is very promising. The mean absolute errors for the estimated slag, water and cement contents (kg/m{sup 3}), w/b and s/b ratios were 9.1%, 1.5%, 2.5%, 4.7% and 8.7%, respectively. 91% of the estimated w/b ratios were within 0.036 of the actual values. -- Highlights: •A new method for estimating w/b ratio and slag content in cement pastes is proposed. •The method is also able to calculate the degrees of reaction of slag and cement. •Reference standards or prior knowledge of the binder composition are not required. •The method was tested on samples with varying w/b ratios and slag content.

Yio, M.H.N., E-mail: marcus.yio11@imperial.ac.uk; Phelan, J.C.; Wong, H.S.; Buenfeld, N.R.

2014-02-15T23:59:59.000Z

83

Allocating Reserve Requirements (Presentation)  

SciTech Connect (OSTI)

This presentation provides an overview of present and possible future ways to allocate and assign benefits for reserve requirements.

Milligan, M.; Kirby, B.; King, J.

2011-07-01T23:59:59.000Z

84

BER Science Network Requirements  

E-Print Network [OSTI]

Management and analysis of geospatial data involvingmanipulation, analysis, and display of geospatial data,Analysis and interpretation require mapping geospatial

Dart, Eli

2011-01-01T23:59:59.000Z

85

Regulators, Requirements, Statutes  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Statutes Regulators, Requirements, Statutes The Laboratory must comply with environmental laws and regulations that apply to Laboratory operations. Contact Environmental...

86

FES Science Network Requirements  

E-Print Network [OSTI]

FES Science Network Requirements Report of the Fusion Energy Sciences Network Requirements Workshop Conducted March 13 and 14, 2008 #12;FES Science Network Requirements Workshop Fusion Energy Sciences Program Office, DOE Office of Science Energy Sciences Network Gaithersburg, MD ­ March 13 and 14, 2008 ESnet

Geddes, Cameron Guy Robinson

87

Reservoir oil bubblepoint pressures revisited; solution gasoil ratios and surface gas specific gravities  

E-Print Network [OSTI]

Reservoir oil bubblepoint pressures revisited; solution gas­oil ratios and surface gas specific, for bubblepoint pressure and other fluid properties, require use of stock-tank gas rate and specific gravity in estimating stock-tank vent gas rate and quality for compliance purposes. D 2002 Elsevier Science B.V. All

ValkĂł, Peter

88

Abundance ratios in hierarchical galaxy formation  

E-Print Network [OSTI]

The chemical enrichment and stellar abundance ratios of galaxies which form in a hierarchical clustering scheme are calculated. For this purpose I adopt the star formation histories (SFH) as they are delivered by semi-analytic models in Kauffmann (1996}. It turns out that the average SFH of cluster ellipticals does not yield globally alpha-enhanced stellar populations. The star burst that occurs when the elliptical forms in the major merger plays therefore a crucial role in producing alpha-enhancement. Only under the assumption that the IMF is significantly flattened with respect to the Salpeter value during the burst, a Mg/Fe overabundant population can be obtained. In particular for the interpretation of radial gradients in metallicity and alpha-enhancement, the mixing of global and burst populations are of great importance. The model predicts bright field galaxies to be less alpha-enhanced than their counterparts in clusters.

D. Thomas

1999-01-18T23:59:59.000Z

89

Determination of Light Water Reactor Fuel Burnup with the Isotope Ratio Method  

SciTech Connect (OSTI)

For the current project to demonstrate that isotope ratio measurements can be extended to zirconium alloys used in LWR fuel assemblies we report new analyses on irradiated samples obtained from a reactor. Zirconium alloys are used for structural elements of fuel assemblies and for the fuel element cladding. This report covers new measurements done on irradiated and unirradiated zirconium alloys, Unirradiated zircaloy samples serve as reference samples and indicate starting values or natural values for the Ti isotope ratio measured. New measurements of irradiated samples include results for 3 samples provided by AREVA. New results indicate: 1. Titanium isotope ratios were measured again in unirradiated samples to obtain reference or starting values at the same time irradiated samples were analyzed. In particular, 49Ti/48Ti ratios were indistinguishably close to values determined several months earlier and to expected natural values. 2. 49Ti/48Ti ratios were measured in 3 irradiated samples thus far, and demonstrate marked departures from natural or initial ratios, well beyond analytical uncertainty, and the ratios vary with reported fluence values. The irradiated samples appear to have significant surface contamination or radiation damage which required more time for SIMS analyses. 3. Other activated impurity elements still limit the sample size for SIMS analysis of irradiated samples. The sub-samples chosen for SIMS analysis, although smaller than optimal, were still analyzed successfully without violating the conditions of the applicable Radiological Work Permit

Gerlach, David C.; Mitchell, Mark R.; Reid, Bruce D.; Gesh, Christopher J.; Hurley, David E.

2007-11-01T23:59:59.000Z

90

Retrieval of Aerosol Optical Depth in Vicinity of Broken Clouds from Reflectance Ratios: Sensitivity Study  

SciTech Connect (OSTI)

We conducted a sensitivity study to better understand the potential of a new method for retrieving aerosol optical depth (AOD) under partly cloudy conditions. This method exploits reflectance ratios in the visible spectral range and provides an effective way to avoid three-dimensional (3D) cloud effects. The sensitivity study is performed for different observational conditions and random errors in input data. The results of the sensitivity study suggest that this ratio method has the ability to detect clear pixels even in close proximity to clouds. Such detection does not require a statistical analysis of the two-dimensional (2D) horizontal distribution of reflected solar radiation, and thus it could be customized for operational retrievals. In comparison with previously suggested approaches, the ratio method has the capability to increase the "harvest" of clear pixels. Similar to the traditional Independent Pixel Approximation (IPA), the ratio method has a low computational cost for retrieving AOD. In contrast to the IPA method, the ratio method provides much more accurate estimations of the AOD values under broken cloud conditions: pixel-based and domain-averaged estimations of errors in AOD are about 25% and 10%, respectively. Finally, both the ratio-based cloud screening and the accuracy of domain-averaged ratio-based AOD values do not suffer greatly when 5% random errors are introduced in the reflectances.

Kassianov, Evgueni I.; Ovtchinnikov, Mikhail; Berg, Larry K.; McFarlane, Sally A.; Flynn, Connor J.

2009-09-01T23:59:59.000Z

91

Transportation System Requirements Document  

SciTech Connect (OSTI)

This Transportation System Requirements Document (Trans-SRD) describes the functions to be performed by and the technical requirements for the Transportation System to transport spent nuclear fuel (SNF) and high-level radioactive waste (HLW) from Purchaser and Producer sites to a Civilian Radioactive Waste Management System (CRWMS) site, and between CRWMS sites. The purpose of this document is to define the system-level requirements for Transportation consistent with the CRWMS Requirement Document (CRD). These requirements include design and operations requirements to the extent they impact on the development of the physical segments of Transportation. The document also presents an overall description of Transportation, its functions, its segments, and the requirements allocated to the segments and the system-level interfaces with Transportation. The interface identification and description are published in the CRWMS Interface Specification.

Not Available

1993-09-01T23:59:59.000Z

92

Important notIce aBoUt yoUr rIghts Under the followIng colUmBIa UnIversIty retIrement plans  

E-Print Network [OSTI]

Important notIce aBoUt yoUr rIghts Under the followIng colUmBIa UnIversIty retIrement plans: ·ColumbiaUniversityRetirementPlanforOfficers ·ColumbiaUniversityRetirementPlanforSupportStaff ·ColumbiaUniversityRetirementPlanforSupportStaffAssociation ·ColumbiaUniversityVoluntaryRetirementSavingsPlan(VRSP) Human Resources Retirement Benefits

Grishok, Alla

93

Nutritional requirements of sesame  

E-Print Network [OSTI]

L)&RARYi ~st t~6~ 0F TEXACO NUTRITIONAL REQUIREMENTS OF SESAME A Thesis By JOE C. ELLER Submitted to the Graduate School of the Agricultural and Mechanical College of Texas in. partial fulfillment of the requirements for the degree of M... AS TER 0 F SCIENC E January 1958 Major Subject: Agronomy NUTRITIONAL REQUIREMENTS OF SESAME A Thesis JOE C. ELLER Approved. as to style and content by. ' Chairman of Committee Head qg Department January 1958 ACKNOWLEDGEMENT The author wishes...

Eller, Joe C

1958-01-01T23:59:59.000Z

94

Required Annual Notices  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Required Annual Notices The Women's Health and Cancer Rights Act of 1998 (WHCRA) The medical programs sponsored by LANS will not restrict benefits if you or your dependent...

95

Unreviewed Safety Question Requirements  

Broader source: Energy.gov (indexed) [DOE]

Unreviewed Safety Question Requirements FUNCTIONAL AREA GOAL: A fully compliant Unreviewed Safety Question (USQ) program is implemented and maintained across the site....

96

Transuranic Waste Requirements  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The guide provides criteria for determining if a waste is to be managed in accordance with DOE M 435.1-1, Chapter III, Transuranic Waste Requirements.

1999-07-09T23:59:59.000Z

97

NISTIR 7933 Requirements and  

E-Print Network [OSTI]

NISTIR 7933 Requirements and Conformance Test Assertions for ANSI/NIST-ITL 1-2011 Record Type 18 #12;ii NISTIR 7933 Requirements and Conformance Test Assertions for ANSI/NIST-ITL 1-2011 Record Type/CTS designed to test implementations of ANSI/NIST-ITL 1- 2011 (AN-2011) "Data Format for the Interchange

98

Integrated Management Requirements mapping  

SciTech Connect (OSTI)

This document contains five appendices documenting how Sandia implemented the DOE Conduct of Operations (5480.19) and DOE Quality Assurance (5700.6C) orders. It provides a mapping of the Sandia integrated requirements to the specific requirements of each Order and a mapping to Sandia`s approved program for implementing the Conduct of Operations Order.

Holmes, J.T.; Andrews, N.S.

1992-06-01T23:59:59.000Z

99

Integrated Management Requirements mapping  

SciTech Connect (OSTI)

This document contains five appendices documenting how Sandia implemented the DOE Conduct of Operations (5480.19) and DOE Quality Assurance (5700.6C) orders. It provides a mapping of the Sandia integrated requirements to the specific requirements of each Order and a mapping to Sandia's approved program for implementing the Conduct of Operations Order.

Holmes, J.T.; Andrews, N.S.

1992-06-01T23:59:59.000Z

100

High School if required  

E-Print Network [OSTI]

Chemistry II CHEM AP 4-5 Lab required @ UNLV; contact Chemistry PHYS 182 & 182L Engineering Physics III PHYS General Chemistry I CHEM AP 3 Lab required @ UNLV; contact Chemistry CHEM 241 Organic Chemistry I & CHEM 347 Lab Techniques of Organic Chem I CHEM 242 Organic Chemistry II & CHEM 348 Lab Techniques

Walker, Lawrence R.

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

General Responsibilities and Requirements  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The material presented in this guide provides suggestions and acceptable ways of implementing DOE M 435.1-1 and should not be viewed as additional or mandatory requirements. The objective of the guide is to ensure that responsible individuals understand what is necessary and acceptable for implementing the requirements of DOE M 435.1-1.

1999-07-09T23:59:59.000Z

102

An application of ratio and regression estimation to a forest land ownership project  

E-Print Network [OSTI]

AN APPLICATION OF RATIO AND REGRESSION ESTIMATION TO A FOREST LAND OWNERSHIP PROJECT A Thesis By DAVID LYNN MINALDI Submitted to the Graduate College of the Texas A&M University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE May 1967 Major Subject: Statistics AN APPLICATION OF RATIO AND REGRESSION ESTIMATION TO A FOREST LAND OWNERSHIP PROJECT A Thesis By DAVID I YNN MINALDI Approve as t~~ye and content by: ( (Chai(man f - mmittee) (Member) (Head...

Minaldi, David Lynn

1967-01-01T23:59:59.000Z

103

Investigation of the influence of the neutron spectrum in determinations of integral cross-section ratios  

SciTech Connect (OSTI)

Ratio measurements are routinely employed in studies of neutron interaction processes in order to generate new differential cross-section data or to test existing differential cross-section information through examination of the corresponding response in integral neutron spectra. Interpretation of such data requires that careful attention be given to details of the neutron spectra involved in these measurements. Two specific tasks are undertaken in the present investigation: (1) Using perturbation theory, a formula is derived which permits one to relate the ratio measured in a realistic quasimonoenergetic spectrum to the desired pure monoenergetic ratio. This expression involves only the lowest-order moments of the neutron energy distribution and corresponding parameters which serve to characterize the energy dependence of the differential cross sections, quantities which can generally be estimated with reasonable precision from the uncorrected data or from auxiliary information. (2) Using covariance methods, a general formalism is developed for calculating the uncertainty of a measured integral cross-section ratio which involves an arbitrary neutron spectrum. This formalism is employed to further examine the conditions which influence the sensitivity of such measured ratios to details of the neutron spectra and to their uncertainties. Several numerical examples are presented in this report in order to illustrate these principles, and some general conclusion are drawn concerning the development and testing of neutron cross-section data by means of ratio experiments. 16 refs., 1 fig., 4 tabs.

Smith, D.L.

1987-11-01T23:59:59.000Z

104

76 The European Business Review September -October 2011 ings, there is a wide range of hosting options one can choose from,  

E-Print Network [OSTI]

options one can choose from, each impacting the cost in a different way. Answering these ques- tions requires an in-depth understanding of the cost implications of all the possible choices specific to an application's circumstances. In this study we identify a diverse set of key factors affecting the costs

Urgaonkar, Bhuvan

105

GLOBAL STABILITY STUDY OF THE ULTRALOW ASPECT RATIO TOKAMAK,  

E-Print Network [OSTI]

generated with aspect ratios as low as 1.1. In this extreme limit the transition of the spheromak (qedge= 0] is similar to the spheromak [5]in its strong paramagnetism and magnetic helical pitch. As the aspect ratio

106

Ultra-short nacelles for low fan pressure ratio propulsors  

E-Print Network [OSTI]

This thesis addresses the uncharted inlet and nacelle design space for low pressure ratio fans for advanced aeroengines. A key feature in low fan pressure ratio (FPR) propulsors with short inlets and nacelles is the increased ...

Peters, Andreas, Ph. D. Massachusetts Institute of Technology

2014-01-01T23:59:59.000Z

107

BUILDING EFFECTIVENESS COMMUNICATION RATIOS FOR IMPROVED BUILDING LIFE CYCLE MANAGEMENT  

E-Print Network [OSTI]

BUILDING EFFECTIVENESS COMMUNICATION RATIOS FOR IMPROVED BUILDING LIFE CYCLE MANAGEMENT Elmer building energy performance assessment frameworks, quantifying and categorising buildings post occupancy a performance-based strategy utilising building effectiveness communication ratios stored in Building

108

Transportation Infrastructure Requirement Resources  

Broader source: Energy.gov [DOE]

Federal agencies and certain state governments are required to acquire alternative fuel vehicles as part of the Energy Policy Act of 1992, though they are also entitled to choose a petroleum...

109

BES Science Network Requirements  

E-Print Network [OSTI]

the Directors of the Office of Science, Office of AdvancedOffice of Basic Energy Sciences. This is LBNL report LBNL-BES Science Network Requirements Report of the Basic Energy

Dart, Eli

2011-01-01T23:59:59.000Z

110

Timeline for Net Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

x By July 31 of each Forecast Year, BPA publishes all Load Following customers' Net Requirements data for the two years of the upcoming Rate Period. 17.6.1 7312010 Yes...

111

Selected Guidance & Requirements  

Broader source: Energy.gov [DOE]

This page contains the most requested NEPA guidance and requirement documents and those most often recommended by the Office of NEPA Policy and Compliance. Documents are listed by agency, in...

112

Promulgating Nuclear Safety Requirements  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

Applies to all Nuclear Safety Requirements Adopted by the Department to Govern the Conduct of its Nuclear Activities. Cancels DOE P 410.1. Canceled by DOE N 251.85.

1996-05-15T23:59:59.000Z

113

Conditions Required by Law  

E-Print Network [OSTI]

No No Sto H 2 NoIs it required by law "Violence on children"?164.512 (c) (1) H CE may disclose to government to LEO HCE may not disclose to LEO H No Yes No Required by law: "reporting certain type of injuries"? H disclose to LEO H 164.512 (f) (1) (ii) (C)(2) It provides that the request is specific and limited in scope

Khan, Javed I.

114

Some investigations in design of low cost variable compression ratio two stroke petrol engine  

E-Print Network [OSTI]

Historically two stroke engine petrol engines find wide applications in construction of two wheelers worldwide, however due to stringent environmental laws enforced universally; these engines are fading in numbers. In spite of the tight norms, internationally these engines are still used in agriculture, gensets etc. Several designs of variable compression ratio two stroke engines are commercially available for analysis purpose. In this present investigation a novel method of changing the compression ratio is proposed, applied, studied and analyzed. The clearance volume of the engine is altered by introducing a metal plug into the combustion chamber. This modification permitted to have four different values of clearance value keeping in view of the studies required the work is brought out as two sections. The first part deals with the design, modification, engine fabrication and testing at different compression ratios for the study of performance of the engine. The second part deals with the combustion in engi...

Srinivas, A; rao, P Venkateswar; Reddy, M Penchal

2012-01-01T23:59:59.000Z

115

Requirements Definition Stage  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

This chapter addresses development of a Software Configuration Management Plan to track and control work products, analysis of the system owner/users' business processes and needs, translation of those processes and needs into formal requirements, and planning the testing activities to validate the performance of the software product.

1997-05-21T23:59:59.000Z

116

Minor in Philosophy Requirements  

E-Print Network [OSTI]

2012-05-23 Minor in Philosophy Requirements: 1. 18 hours of work in philosophy with grades of C- or better. 2. A 2.0 grade point average for all work attempted in philosophy. 3. 9 hours of upper division work in philosophy, with grades of C- or better. 4. Completion of at least one course, with a grade

Stowell, Michael

117

Requirements for Xenon International  

SciTech Connect (OSTI)

This document defines the requirements for the new Xenon International radioxenon system. The output of this project will be a Pacific Northwest National Laboratory (PNNL) developed prototype and a manufacturer-developed production prototype. The two prototypes are intended to be as close to matching as possible; this will be facilitated by overlapping development cycles and open communication between PNNL and the manufacturer.

Hayes, James C.; Ely, James H.

2013-09-26T23:59:59.000Z

118

aerosol ratio program: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

contribute a major portion of atmospheric aerosol mass loading 5. The estimated global annual Liou, K. N. 2 Studying Clouds and Aerosols with Lidar Depolarization Ratio and...

119

Two-Stage Variable Compression Ratio (VCR) System to Increase...  

Broader source: Energy.gov (indexed) [DOE]

th , 2012 Two-Stage Variable Compression Ratio (VCR) System to Increase Efficiency in Gasoline Powertrains DEER Conference 2012 D. Tomazic, H. Kleeberg, S. Bowyer, FEV Inc. J....

120

Oxygen And Carbon Isotope Ratios Of Hydrothermal Minerals From...  

Open Energy Info (EERE)

boiling or by isotopic exchange at low waterrock ratios in new fractures. The mineralogy and apparent 18O enrichments of hydrothermal fracture-filling minerals are...

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

LEGACY MANAGEMENT REQUIRES INFORMATION  

SciTech Connect (OSTI)

''Legacy Management Requires Information'' describes the goal(s) of the US Department of Energy's Office of Legacy Management (LM) relative to maintaining critical records and the way those goals are being addressed at Hanford. The paper discusses the current practices for document control, as well as the use of modern databases for both storing and accessing the data to support cleanup decisions. In addition to the information goals of LM, the Hanford Federal Facility Agreement and Consent Order, known as the ''Tri-Party Agreement'' (TPA) is one of the main drivers in documentation and data management. The TPA, which specifies discrete milestones for cleaning up the Hanford Site, is a legally binding agreement among the US Department of Energy (DOE), the Washington State Department of Ecology (Ecology), and the US Environmental Protection Agency (EPA). The TPA requires that DOE provide the lead regulatory agency with the results of analytical laboratory and non-laboratory tests/readings to help guide them in making decisions. The Agreement also calls for each signatory to preserve--for at least ten years after the Agreement has ended--all of the records in its or its contractors, possession related to sampling, analysis, investigations, and monitoring conducted. The tools used at Hanford to meet TPA requirements are also the tools that can satisfy the needs of LM.

CONNELL, C.W.; HILDEBRAND, R.D.

2006-12-14T23:59:59.000Z

122

BER Science Network Requirements  

SciTech Connect (OSTI)

The Energy Sciences Network (ESnet) is the primary provider of network connectivity for the US Department of Energy Office of Science, the single largest supporter of basic research in the physical sciences in the United States. In support of the Office of Science programs, ESnet regularly updates and refreshes its understanding of the networking requirements of the instruments, facilities, scientists, and science programs that it serves. This focus has helped ESnet to be a highly successful enabler of scientific discovery for over 20 years. In April 2010 ESnet and the Office of Biological and Environmental Research, of the DOE Office of Science, organized a workshop to characterize the networking requirements of the science programs funded by BER. The requirements identified at the workshop are summarized and described in more detail in the case studies and the Findings section. A number of common themes emerged from the case studies and workshop discussions. One is that BER science, like many other disciplines, is becoming more and more distributed and collaborative in nature. Another common theme is that data set sizes are exploding. Climate Science in particular is on the verge of needing to manage exabytes of data, and Genomics is on the verge of a huge paradigm shift in the number of sites with sequencers and the amount of sequencer data being generated.

Dart, Eli; Tierney, Brian

2010-11-01T23:59:59.000Z

123

IEA Workshop 59 Shape and Aspect Ratio Optimization for  

E-Print Network [OSTI]

IEA Workshop 59 Shape and Aspect Ratio Optimization for High Beta, Steady-State Tokamak SCOPE and aspect ratio is particularly important for achieving high beta and also for the optimization of edge optimization of high beta steady state tokamak including DEMO concept, stability and CD assessment

124

Preliminary core design studies for the advanced burner reactor over a wide range of conversion ratios.  

SciTech Connect (OSTI)

A consistent set of designs for 1000 MWt commercial-scale sodium-cooled Advance Burner Reactors (ABR) have been developed for both metal and oxide-fueled cores with conversion ratios from breakeven (CR=1.0) to fertile-free (CR=0.0). These designs are expected to satisfy thermal and irradiation damage limits based on the currently available data. The very low conversion ratio designs require fuel that is beyond the current fuel database, which is anticipated to be qualified by and for the Advanced Burned Test Reactor. Safety and kinetic parameters were calculated, but a safety analysis was not performed. Development of these designs was required to achieve the primary goal of this study, which was to generate representative fuel cycle mass flows for system studies of ABRs as part of the Global Nuclear Energy Partnership (GNEP). There are slight variations with conversion ratio but the basic ABR configuration consists of 144 fuel assemblies and between 9 and 22 primary control assemblies for both the metal and oxide-fueled cores. Preliminary design studies indicated that it is feasible to design the ABR to accommodate a wide range of conversion ratio by employing different assembly designs and including sufficient control assemblies to accommodate the large reactivity swing at low conversion ratios. The assemblies are designed to fit within the same geometry, but the size and number of fuel pins within each assembly are significantly different in order to achieve the target conversion ratio while still satisfying thermal limits. Current irradiation experience would allow for a conversion ratio of somewhat below 0.75. The fuel qualification for the first ABR should expand this experience to allow for much lower conversion ratios and higher bunrups. The current designs were based on assumptions about the performance of high and very high enrichment fuel, which results in significant uncertainty about the details of the designs. However, the basic fuel cycle performance trends such as conversion ratio and mass flow parameters are less sensitive to these parameters and the current results should provide a good basis for static and dynamic system analysis. The conversion ratio is fundamentally a ratio of the macroscopic cross section of U-238 capture to that of TRU fission. Since the microscopic cross sections only change moderately with fuel design and isotopic concentration for the fast reactor, a specific conversion ratio requires a specific enrichment. The approximate average charge enrichment (TRU/HM) is 14%, 21%, 33%, 56%, and 100% for conversion ratios of 1.0, 0.75, 0.50, 0.25, and 0.0 for the metal-fueled cores. The approximate average charge enrichment is 17%, 25%, 38%, 60%, and 100% for conversion ratios of 1.0, 0.75, 0.50, 0.25, and 0.0 for the oxide-fueled core. For the split batch cores, the maximum enrichment will be somewhat higher. For both the metal and oxide-fueled cores, the reactivity feedback coefficients and kinetics parameters seem reasonable. The maximum single control assembly reactivity faults may be too large for the low conversion ratio designs. The average reactivity of the primary control assemblies was increased, which may cause the maximum reactivity of the central control assembly to be excessive. The values of the reactivity coefficients and kinetics parameters show that some values appear to improve significantly at lower conversion ratios while others appear far less favorable. Detailed safety analysis is required to determine if these designs have adequate safety margins or if appropriate design modifications are required. Detailed system analysis data has been generated for both metal and oxide-fueled core designs over the entire range of potential burner reactors. Additional data has been calculated for a few alternative fuel cycles. The systems data has been summarized in this report and the detailed data will be provided to the systems analysis team so that static and dynamic system analyses can be performed.

Hoffman, E. A.; Yang, W. S.; Hill, R. N.; Nuclear Engineering Division

2008-05-05T23:59:59.000Z

125

Documentation Requirements for Sensory Impairments  

E-Print Network [OSTI]

Documentation Requirements for Sensory Impairments Vision and Hearing Students, faculty, staff documentation requirements: 1. Requirements of the PRACTITIONER: A) Ophthalmologists and optometrists of interest. C) Documentation must be typed, dated and signed by the evaluator and submitted to ODR

126

BES Science Network Requirements  

SciTech Connect (OSTI)

The Energy Sciences Network (ESnet) is the primary provider of network connectivityfor the US Department of Energy Office of Science (SC), the single largest supporter of basic research in the physical sciences in the United States. In support of the Office ofScience programs, ESnet regularly updates and refreshes its understanding of the networking requirements of the instruments, facilities, scientists, and science programs that it serves. This focus has helped ESnet to be a highly successful enabler of scientific discovery for over 20 years.

Dart, Eli; Tierney, Brian; Dart, Eli; Biocca, A.; Carlson, R.; Chen, J.; Cotter, S.; Dattoria, V.; Davenport, J.; Gaenko, A.; Kent, P.; Lamm, M.; Miller, S.; Mundy, C.; Ndousse, T.; Pederson, M.; Perazzo, A.; Popescu, R.; Rouson, D.; Sekine, Y.; Sumpter, B.; Wang, C.-Z.; Whitelam, S.; Zurawski, J.

2011-02-01T23:59:59.000Z

127

Required Annual Notices  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared at 278, 298,NIST31 ORVEnergy Request For Report7Required

128

Required Annual Notices  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared at 278, 298,NIST31 ORVEnergy Request For Report7RequiredAnnual

129

Prominence seismology using the period ratio of transverse thread oscillations  

E-Print Network [OSTI]

The ratio of the period of the fundamental mode to that of the first overtone of kink oscillations, from here on the "period ratio", is a seismology tool that can be used to infer information about the spatial variation of density along solar magnetic flux tubes. The period ratio is 2 in longitudinally homogeneous thin tubes, but it differs from 2 due to longitudinal inhomogeneity. In this paper we investigate the period ratio in longitudinally inhomogeneous prominence threads and explore its implications for prominence seismology. We numerically solve the two-dimensional eigenvalue problem of kink oscillations in a model of a prominence thread. We take into account three nonuniform density profiles along the thread. In agreement with previous works that used simple piecewise constant density profiles, we find that the period ratio is larger than 2 in prominence threads. When the ratio of the central density to that at the footpoints is fixed, the period ratio depends strongly on the form of the density profi...

Soler, R; Ballester, J L

2015-01-01T23:59:59.000Z

130

The optimum substrate to biomass ratio to reduce net biomass yields and inert compounds in biological leachate treatment  

E-Print Network [OSTI]

The optimum substrate to biomass ratio to reduce net biomass yields and inert compounds that microorganisms must satisfy their maintenance energy requirements prior to synthesizing new biomass, a set on the excess biomass production. Decreasing the supply of substrate per unit biomass resulted in gradual

Bae, Jin-Woo

131

ENVIRONMENTAL HEALTH SCIENCES Plan Requirements Campus: UMICH RG = Requirement Group  

E-Print Network [OSTI]

ENVIRONMENTAL HEALTH SCIENCES Plan Requirements Campus: UMICH RG = Requirement Group Career: GPH RQ = Requirement Program: 01848 LN = Line Plan: 3200MPH RG 5298 ENVIRONMENTAL HEALTH SCIENCES REQUIREMENTS, 643, 653, 675, 677 or 695 LN 0030 - Environmental Health Sciences: EHS 501, 506, 507 or 508 LN 0040

Shyy, Wei

132

BIOMEDICAL ENGINEERING BSE PLAN REQUIREMENTS Campus: UMICH RG = Requirement Group  

E-Print Network [OSTI]

BIOMEDICAL ENGINEERING BSE PLAN REQUIREMENTS Campus: UMICH RG = Requirement Group Career: UENG RQ = Requirement Program: LN = Line Plan: 0880BSE Sub-Plan: RG 6856 BIOMEDICAL ENGINEERING MAJOR REQUIREMENTS Effective FA05/1560 (09/06/2005) RQ 4996 Program Subjects Effective FA05/1560 (09/06/2005) LN 0010 BIOMEDE

Shyy, Wei

133

In-patient to isocenter KERMA ratios in CT  

SciTech Connect (OSTI)

Purpose: To estimate in-patient KERMA for specific organs in computed tomography (CT) scanning using ratios to isocenter free-in-air KERMA obtained using a Rando phantom.Method: A CT scan of an anthropomorphic phantom results in an air KERMA K at a selected phantom location and air kerma K{sub CT} at the CT scanner isocenter when the scan is repeated in the absence of the phantom. The authors define the KERMA ratio (R{sub K}) as K/ K{sub CT}, which were experimentally determined in a Male Rando Phantom using lithium fluoride chips (TLD-100). R{sub K} values were obtained for a total of 400 individual point locations, as well as for 25 individual organs of interest in CT dosimetry. CT examinations of Rando were performed on a GE LightSpeed Ultra scanner operated at 80 kV, 120 kV, and 140 kV, as well as a Siemens Sensation 16 operated at 120 kV. Results: At 120 kV, median R{sub K} values for the GE and Siemens scanners were 0.60 and 0.64, respectively. The 10th percentile R{sub K} values ranged from 0.34 at 80 kV to 0.54 at 140 kV, and the 90th percentile R{sub K} values ranged from 0.64 at 80 kV to 0.78 at 140 kV. The average R{sub K} for the 25 Rando organs at 120 kV was 0.61 {+-} 0.08. Average R{sub K} values in the head, chest, and abdomen showed little variation. Relative to R{sub K} values in the head, chest, and abdomen obtained at 120 kV, R{sub K} values were about 12% lower in the pelvis and about 58% higher in the cervical spine region. Average R{sub K} values were about 6% higher on the Siemens Sensation 16 scanner than the GE LightSpeed Ultra. Reducing the x-ray tube voltage from 120 kV to 80 kV resulted in an average reduction in R{sub K} value of 34%, whereas increasing the x-ray tube voltage to 140 kV increased the average R{sub K} value by 9%. Conclusions: In-patient to isocenter relative KERMA values in Rando phantom can be used to estimate organ doses in similar sized adults undergoing CT examinations from easily measured air KERMA values at the isocenter (free in air). Conversion from in-patient air KERMA values to tissue dose would require the use of energy-appropriate conversion factors.

Huda, Walter; Ogden, Kent M.; Lavallee, Robert L.; Roskopf, Marsha L.; Scalzetti, Ernest M. [Department of Radiology and Radiological Science, Medical University of South Carolina (MUSC), 96 Jonathan Lucas Street (MSC 323), Charleston, South Carolina 29425-3230 (United States); Department of Radiology, SUNY Upstate Medical University, 750 E Adams Street, Syracuse, New York 13210 (United States)

2011-10-15T23:59:59.000Z

134

Equipment Operational Requirements  

SciTech Connect (OSTI)

The Iraq Department of Border Enforcement is rich in personnel, but poor in equipment. An effective border control system must include detection, discrimination, decision, tracking and interdiction, capture, identification, and disposition. An equipment solution that addresses only a part of this will not succeed, likewise equipment by itself is not the answer without considering the personnel and how they would employ the equipment. The solution should take advantage of the existing in-place system and address all of the critical functions. The solutions are envisioned as being implemented in a phased manner, where Solution 1 is followed by Solution 2 and eventually by Solution 3. This allows adequate time for training and gaining operational experience for successively more complex equipment. Detailed descriptions of the components follow the solution descriptions. Solution 1 - This solution is based on changes to CONOPs, and does not have a technology component. It consists of observers at the forts and annexes, forward patrols along the swamp edge, in depth patrols approximately 10 kilometers inland from the swamp, and checkpoints on major roads. Solution 2 - This solution adds a ground sensor array to the Solution 1 system. Solution 3 - This solution is based around installing a radar/video camera system on each fort. It employs the CONOPS from Solution 1, but uses minimal ground sensors deployed only in areas with poor radar/video camera coverage (such as canals and streams shielded by vegetation), or by roads covered by radar but outside the range of the radar associated cameras. This document provides broad operational requirements for major equipment components along with sufficient operational details to allow the technical community to identify potential hardware candidates. Continuing analysis will develop quantities required and more detailed tactics, techniques, and procedures.

Greenwalt, B; Henderer, B; Hibbard, W; Mercer, M

2009-06-11T23:59:59.000Z

135

Rapid Replication of High Aspect Ratio Molds for UV Embossing  

E-Print Network [OSTI]

This paper describes a promising fabrication technique for rapid replication of high aspect ratio microstructured molds for UV embossing. The process involves casting silicone rubber on a microstructured master, replicating ...

Yan, Yehai

136

The Ne/O abundance ratio in the quiet Sun  

E-Print Network [OSTI]

Aims: To determine the neon-to-oxygen abundance in the quiet Sun, a proxy for the photospheric abundance ratio. Method: An emission measure method applied to extreme ultraviolet emission lines of Ne IV-VI and O III-V ions observed by the Coronal Diagnostic Spectrometer on the SOHO satellite. Results: The average Ne/O abundance ratio in supergranule cell centre regions is 0.18 +/- 0.05, while in supergranule network regions is 0.16 +/- 0.04. A photospheric Ne/O ratio of 0.17 +/- 0.05 is suggested, in good agreement with the most recent compilation of solar photospheric abundances, but discrepant with a recent Ne/O ratio derived from stellar X-ray spectra and revised neon abundances suggested from solar interior models.

P. R. Young

2005-10-10T23:59:59.000Z

137

Chloride-Magnesium Ratio of Shallow Groundwaters as a Regional...  

Open Energy Info (EERE)

Chloride-Magnesium Ratio of Shallow Groundwaters as a Regional Geothermal Indicator in Hawaii Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article:...

138

aspect ratio silicon: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

silicon-nitride hard-mask for high aspect-ratio silicon fins V. Jovanovi, S, Zagreb, Croatia Abstract - A method for using hard-masks to achieve sub- 100 nm patterning of...

139

Separated Response Function Ratios in Exclusive, Forward ?[superscript ±] Electroproduction  

E-Print Network [OSTI]

The study of exclusive ?[superscript ±] electroproduction on the nucleon, including separation of the various structure functions, is of interest for a number of reasons. The ratio R[subscript L] = ?[?? over L]/?[?+ over ...

Huber, G.?M.

140

Software and House Requirements Engineering  

E-Print Network [OSTI]

a requirements engineer who puts her knowledge of software construction together with her creativity to come upSoftware and House Requirements Engineering: Lessons Learned in Combatting Requirements Creep creativity to try to come up with a plan for a house that will meet the customer's requirements. The customer

Berry, Daniel M.

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Match Pumps to System Requirements  

SciTech Connect (OSTI)

BestPractices Program tip sheet discussing pumping system efficiency matching pumps to system requirements

Not Available

2005-10-01T23:59:59.000Z

142

Interpretation of the atmospheric muon charge ratio in MINOS  

E-Print Network [OSTI]

MINOS is the first large magnetic detector deep underground and is the first to measure the muon charge ratio with high statistics in the region near 1 TeV.\\cite{bib:adamson} An approximate formula for the muon charge ratio can be expressed in terms of $\\epsilon_\\pi$ = 115 GeV, $\\epsilon_K$ = 850 GeV and $\\ec$. The implications for K production in the atmosphere will be discussed.

Philip Schreiner; Maury Goodman

2007-06-04T23:59:59.000Z

143

The E2/M1 ratio in {Delta} photoproduction  

SciTech Connect (OSTI)

New high-precision measurements of p({rvec {gamma}}, {pi}) and p({rvec {gamma}}, {gamma}) cross sections and beam asymmetries have been combined with other polarization ratios in a simultaneous analysis of both reactions. The E2/M1 mixing ratio for the n {r_arrow} {Delta} transition extracted from this analysis is EMR = {minus}3.0% {+-} 0.3 (stat+sys) {+-} 0.2 (model).

Hoblit, S. [Brookhaven National Lab., Upton, NY (United States). Physics Dept.]|[Univ. of Virginia, Charlottesville, VA (United States). Dept. of Physics; Blanpied, G. [Univ. of South Carolina, Columbia, SC (United States). Dept. of Physics; Blecher, M. [Virginia Polytechnic Inst. and State Univ., Blacksburg, VA (United States). Physics Dept.] [and others; LEGS Collaboration

1997-10-01T23:59:59.000Z

144

System and method for high precision isotope ratio destructive analysis  

DOE Patents [OSTI]

A system and process are disclosed that provide high accuracy and high precision destructive analysis measurements for isotope ratio determination of relative isotope abundance distributions in liquids, solids, and particulate samples. The invention utilizes a collinear probe beam to interrogate a laser ablated plume. This invention provides enhanced single-shot detection sensitivity approaching the femtogram range, and isotope ratios that can be determined at approximately 1% or better precision and accuracy (relative standard deviation).

Bushaw, Bruce A; Anheier, Norman C; Phillips, Jon R

2013-07-02T23:59:59.000Z

145

Isotopic 32S/33S ratio as a diagnostic of presolar grains from novae  

E-Print Network [OSTI]

Measurements of sulphur isotopes in presolar grains can help to identify the astrophysical sites in which these grains were formed. A more precise thermonuclear rate of the 33S(p,gamma)34Cl reaction is required, however, to assess the diagnostic ability of sulphur isotopic ratios. We have studied the 33S(3He,d)34Cl proton-transfer reaction at 25 MeV using a high-resolution quadrupole-dipole-dipole-dipole magnetic spectrograph. Deuteron spectra were measured at ten scattering angles between 10 and 55 degrees. Twenty-four levels in 34Cl over Ex = 4.6 - 5.9 MeV were observed, including three levels for the first time. Proton spectroscopic factors were extracted for the first time for levels above the 33S+p threshold, spanning the energy range required for calculations of the thermonuclear 33S(p,gamma)34Cl rate in classical nova explosions. We have determined a new 33S(p,gamma)34Cl rate using a Monte Carlo method and have performed new hydrodynamic nova simulations to determine the impact on nova nucleosynthesis of remaining nuclear physics uncertainties in the reaction rate. We find that these uncertainties lead to a factor of less than 5 variation in the 33S(p,gamma)34Cl rate over typical nova peak temperatures, and variation in the ejected nova yields of S--Ca isotopes by less than 20%. In particular, the predicted 32S/33S ratio is 110 - 130 for the nova model considered, compared to 110 - 440 with previous rate uncertainties. As recent type II supernova models predict ratios of 130 - 200, the 32S/33S ratio may be used to distinguish between grains of nova and supernova origin.

A. Parikh; K. Wimmer; T. Faestermann; R. Hertenberger; J. Jose; H. -F. Wirth; C. Hinke; R. Krucken; D. Seiler; K. Steiger; K. Straub

2014-09-01T23:59:59.000Z

146

ASCR Science Network Requirements  

SciTech Connect (OSTI)

The Energy Sciences Network (ESnet) is the primary provider of network connectivity for the US Department of Energy Office of Science, the single largest supporter of basic research in the physical sciences in the United States. In support of the Office of Science programs, ESnet regularly updates and refreshes its understanding of the networking requirements of the instruments, facilities, scientists, and science programs that it serves. This focus has helped ESnet to be a highly successful enabler of scientific discovery for over 20 years. In April 2009 ESnet and the Office of Advanced Scientific Computing Research (ASCR), of the DOE Office of Science, organized a workshop to characterize the networking requirements of the programs funded by ASCR. The ASCR facilities anticipate significant increases in wide area bandwidth utilization, driven largely by the increased capabilities of computational resources and the wide scope of collaboration that is a hallmark of modern science. Many scientists move data sets between facilities for analysis, and in some cases (for example the Earth System Grid and the Open Science Grid), data distribution is an essential component of the use of ASCR facilities by scientists. Due to the projected growth in wide area data transfer needs, the ASCR supercomputer centers all expect to deploy and use 100 Gigabit per second networking technology for wide area connectivity as soon as that deployment is financially feasible. In addition to the network connectivity that ESnet provides, the ESnet Collaboration Services (ECS) are critical to several science communities. ESnet identity and trust services, such as the DOEGrids certificate authority, are widely used both by the supercomputer centers and by collaborations such as Open Science Grid (OSG) and the Earth System Grid (ESG). Ease of use is a key determinant of the scientific utility of network-based services. Therefore, a key enabling aspect for scientists beneficial use of high performance networks is a consistent, widely deployed, well-maintained toolset that is optimized for wide area, high-speed data transfer (e.g. GridFTP) that allows scientists to easily utilize the services and capabilities that the network provides. Network test and measurement is an important part of ensuring that these tools and network services are functioning correctly. One example of a tool in this area is the recently developed perfSONAR, which has already shown its usefulness in fault diagnosis during the recent deployment of high-performance data movers at NERSC and ORNL. On the other hand, it is clear that there is significant work to be done in the area of authentication and access control - there are currently compatibility problems and differing requirements between the authentication systems in use at different facilities, and the policies and mechanisms in use at different facilities are sometimes in conflict. Finally, long-term software maintenance was of concern for many attendees. Scientists rely heavily on a large deployed base of software that does not have secure programmatic funding. Software packages for which this is true include data transfer tools such as GridFTP as well as identity management and other software infrastructure that forms a critical part of the Open Science Grid and the Earth System Grid.

Dart, Eli; Tierney, Brian

2009-08-24T23:59:59.000Z

147

C/O RATIO AS A DIMENSION FOR CHARACTERIZING EXOPLANETARY ATMOSPHERES  

SciTech Connect (OSTI)

Until recently, infrared observations of exoplanetary atmospheres have typically been interpreted using models that assumed solar elemental abundances. With the chemical composition fixed, attempts have been made to classify hot Jupiter atmospheres on the basis of stellar irradiation. However, recent observations have revealed deviations from predictions based on such classification schemes, and chemical compositions retrieved from some data sets have also indicated non-solar abundances. The data require a two-dimensional (2D) characterization scheme with dependence on both irradiation and chemistry. In this work, we suggest the carbon-to-oxygen (C/O) ratio as an important second dimension for characterizing exoplanetary atmospheres. In hot-hydrogen-dominated atmospheres, the C/O ratio critically influences the relative concentrations of several spectroscopically dominant species. Between a C/O of 0.5 (solar value) and 2, the H{sub 2}O and CH{sub 4} abundances can vary by several orders of magnitude in the observable atmosphere, and new hydrocarbon species such as HCN and C{sub 2}H{sub 2} become prominent for C/O {>=} 1, while the CO abundance remains almost unchanged. Furthermore, a C/O {>=} 1 can preclude a strong thermal inversion due to TiO and VO in a hot Jupiter atmosphere, since TiO and VO are naturally underabundant for C/O {>=} 1. We, therefore, suggest a new 2D classification scheme for hydrogen-dominated exoplanetary atmospheres with irradiation (or temperature) and C/O ratio as the two dimensions. We define four classes in this 2D space (O1, O2, C1, and C2) with distinct chemical, thermal, and spectral properties. Based on the most recent observations, we characterize the thermal structure and C/O ratios of six hot Jupiters (XO-1b, CoRoT-2b, WASP-14b, WASP-19b, WASP-33b, and WASP-12b) in the framework of our proposed 2D classification scheme. While the data for several systems in our sample are consistent with C-rich atmospheres, new observations are required to conclusively constrain their C/O ratios in the day side as well as the terminator regions of their atmospheres. We discuss how observations using existing and forthcoming facilities can constrain C/O ratios in exoplanetary atmospheres.

Madhusudhan, Nikku, E-mail: Nikku.Madhusudhan@yale.edu [Department of Physics, Yale University, New Haven, CT 06511 (United States); Department of Astronomy, Yale University, New Haven, CT 06511 (United States)

2012-10-10T23:59:59.000Z

148

Air flow in a high aspect ratio heat sink  

E-Print Network [OSTI]

The increasing heat output of modern electronics requires concomitant advances in heat sinking technology: reductions in thermal resistance and required pumping power are necessary. This research covers the development of ...

Allison, Jonathan Michael

2010-01-01T23:59:59.000Z

149

E(Race)ing gender: Stratified identities  

E-Print Network [OSTI]

in the appropriation of white standards, and rejecting (as seen in Janie's trial for her husband's death) those institutions as the basis of one's identity. The cultural and social price that Janie pays, furthermore, challenges her adaptive capacity to stratify her...

Nguyen, Le Thuy Thi

2000-01-01T23:59:59.000Z

150

IllumInatIng of Transportation  

E-Print Network [OSTI]

funding sources 29 master's and do degrees awarded 23,000+ recipients of CTS-produced newsletters. You will find both the quantitative and qualitative accounts of CTS--the statistics and the stories identity and launched our signature publication Catalyst to better capture the innovative spirit and energy

Minnesota, University of

151

Bachelor projekt Dipl.Ing.IT  

E-Print Network [OSTI]

vedligeholdelse af produktkonfigureringssystemer Anders Degn Kongens Lyngby, 29. april 2006 IMM-B.Eng-2006-17 #12 Lyngby, Denmark Phone +45 45253351, Fax +45 45882673 reception@imm.dtu.dk www.imm.dtu.dk IMM-B.Eng-2006 papers der forventes udgivet andetsteds i Juni 2006. Projektet er udført i perioden 2. februar 2006 til 1

152

Ratio of Pion Kaon Production in Proton Carbon Interactions  

SciTech Connect (OSTI)

The ratio of pion-kaon production by 120 GeV/c protons incident on carbon target is presented. The data was recorded with the Main Injector Particle Production experiment at Fermi National Accelerator Laboratory. Production ratios of K{sup +}/{pi}{sup +}, K{sup -}/{pi}{sup -}, K{sup -}/K{sup +}, and {pi}{sup -}/{pi}{sup +} are measured in 24 bins in longitudinal momentum from 20 to 90 GeV/c and transverse momentum up to 2 GeV/c. The measurement is compared to existing data sets, particle production Monte Carlo results from FLUKA-06, parametrization of proton-beryllium data at 400/450 GeV/c, and ratios measured by the MINOS experiment on the NuMI target.

Lebedev, Andrey V.; /Harvard U.

2007-05-01T23:59:59.000Z

153

Webinar: Hydrogen Storage Materials Requirements  

Broader source: Energy.gov [DOE]

Video recording and text version of the webinar titled, Hydrogen Storage Materials Requirements, originally presented on June 25, 2013.

154

Estimate of the triton asymptotic D to S ratio  

SciTech Connect (OSTI)

The role of the deuteron asymptotic D to S normalization ratio eta/sup d/ in the calculation of triton observables is emphasized both within a simple model and in an exact numerical calculation. We suggest a new correlation among eta/sup t//eta/sup d/ and E/sub t/ in dynamical three nucleon calculations, where eta/sup t/ is the triton asymptotic D to S ratio and E/sub t/ is the triton binding energy. Studying this correlation we obtained eta/sup t//eta/sup d/ = 1.68 +- 0.04. .AE

Frederico, T.; Adhikari, S.K.; Hussein, M.S.

1988-01-01T23:59:59.000Z

155

Analysis on burnup step effect for evaluating reactor criticality and fuel breeding ratio  

SciTech Connect (OSTI)

Criticality condition of the reactors is one of the important factors for evaluating reactor operation and nuclear fuel breeding ratio is another factor to show nuclear fuel sustainability. This study analyzes the effect of burnup steps and cycle operation step for evaluating the criticality condition of the reactor as well as the performance of nuclear fuel breeding or breeding ratio (BR). Burnup step is performed based on a day step analysis which is varied from 10 days up to 800 days and for cycle operation from 1 cycle up to 8 cycles reactor operations. In addition, calculation efficiency based on the variation of computer processors to run the analysis in term of time (time efficiency in the calculation) have been also investigated. Optimization method for reactor design analysis which is used a large fast breeder reactor type as a reference case was performed by adopting an established reactor design code of JOINT-FR. The results show a criticality condition becomes higher for smaller burnup step (day) and for breeding ratio becomes less for smaller burnup step (day). Some nuclides contribute to make better criticality when smaller burnup step due to individul nuclide half-live. Calculation time for different burnup step shows a correlation with the time consuming requirement for more details step calculation, although the consuming time is not directly equivalent with the how many time the burnup time step is divided.

Saputra, Geby; Purnama, Aditya Rizki; Permana, Sidik [Nuclear Physics and Biophysics Research Division, Physics Department, Institut Teknologi Bandung (Indonesia); Suzuki, Mitsutoshi [Department of Science and Technology for Nuclear Material Management (STNM), Japan Atomic Energy Agency (JAEA) (Japan)

2014-09-30T23:59:59.000Z

156

Material development in the SI{sub 3}N{sub 4} system using glass encapsulated Hip`ing. Final report, Phase 2: DOE/ORNL Ceramic Technology Project  

SciTech Connect (OSTI)

This report covers a two-year program to develop fully dense Si{sub 3}N{sub 4} matrix SiC whisker composites with enhanced properties over monolithic Si{sub 3}N{sub 4} materials. The primary goal was to develop a composite with a fracture toughness > 10 MPa{radical}m, capable of using high pressure glass encapsulated HIP`ing. Coating methods were developed to apply thin (<150nm) stoichiometric BN layers to SiC whiskers and also to apply a dual coating of SiC over carbon to the whiskers. Fracture toughness of the composites was determined to increase as the quantity of whiskers (or elongated grains) with their axis perpendicular to the crack plane increased. Of the interface compositions evaluated in this effort, carbon was determined to be the most effective for increasing toughness. The highest toughnesses (6.8--7.0 MPa{radical}m) were obtained with uniaxially aligned carbon coated whiskers. There was no evidence of the carbon coating compromising the oxidation resistance of the composites at 1370{degree}C.

Corbin, N.D.; Sundberg, G.J.; Siebein, K.N.; Willkens, C.A.; Pujari, V.K.; Rossi, G.A.; Hansen, J.S.; Chang, C.L.; Hammarstrom, J.L.

1992-04-01T23:59:59.000Z

157

HCCI in a Variable Compression Ratio Engine: Effects of Engine...  

Broader source: Energy.gov (indexed) [DOE]

Fuels Practical Full Time HCCI Operation Will Require Specific HCCI Fuel Low Octane gasoline Experimental Variables Experimental Variables Engine Variables Intake Manifold...

158

A Link Between Black Holes and the Golden Ratio  

E-Print Network [OSTI]

We consider a variational formalism to describe black holes solution in higher dimensions. Our procedure clarifies the arbitrariness of the radius parameter and, in particular, the meaning of the event horizon of a black hole. Moreover, our formalism enables us to find a surprising link between black holes and the golden ratio.

J. A. Nieto

2011-06-02T23:59:59.000Z

159

aerosol ratio test: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

aerosol ratio test First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Effect of mineral dust aerosol...

160

A genetically encoded fluorescent reporter of ATP:ADP ratio  

E-Print Network [OSTI]

A genetically encoded fluorescent reporter of ATP:ADP ratio Jim Berg1,2, Yin Pun Hung1 & Gary's affinity for Mg-ATP was o100 nM, as seen for other members of the bacterial PII regulator family, a surprisingly high affinity given that normal intracellular ATP concentration is in the millimolar range. ADP

Yellen, Gary

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Generalized solar load ratio correlation for direct gain buildings  

SciTech Connect (OSTI)

A generalized solar load ratio correlation has been developed for direct gain buildings by generating relationships between the correlation parameters and two fundamental design parameters. The first design parameter is the steady state conductance of the solar aperture, U/sub c/. The second is the effective heat capacity of the solar zone, EHC.

Wray, W.O.; Best, E.D.

1986-01-01T23:59:59.000Z

162

Net energy ratio of photobiohydrogen generation G. Burgessa  

E-Print Network [OSTI]

of standard theory for tubular solar collectors. Small diameter reactors have a low NER as the mixing energyNet energy ratio of photobiohydrogen generation G. Burgessa and J.G. Fernández National University Canberra ACT 0200, AUSTRALIA E-mail: greg.burgess@anu.edu.au Abstract: We estimate

163

Prediction-Based Compression Ratio Boundaries for Medical Images  

E-Print Network [OSTI]

Prediction-Based Compression Ratio Boundaries for Medical Images Xiaojun Qi Computer Science present prediction-based image compression techniques take advantage of either intra- or inter function. The prediction-based compression technique has been applied on some magnetic resonance (MR) brain

Qi, Xiaojun

164

Magnesium Isotope Ratios in omega Centauri Red Giants  

E-Print Network [OSTI]

We have used high resolution observations obtained at the AAT with UHRF (R ~ 100,000) and at Gemini-S with b-HROS (R ~ 150,000) to determine magnesium isotope ratios for seven omega Centauri red giants that cover a range in iron abundance from [Fe/H] = --1.78 to --0.78 dex, and for two red giants in M4 (NGC 6121). The omega Centauri stars sample both the "primordial" (i.e., O-rich, Na and Al-poor) and the "extreme" (O-depleted, Na and Al-rich) populations in the cluster. The primordial population stars in both omega Centauri and M4 show (25Mg, 26Mg)/24 Mg isotopic ratios that are consistent with those found for the primordial population in other globular clusters with similar [Fe/H] values. The isotopic ratios for the omega Centauri extreme stars are also consistent with those for extreme population stars in other clusters. The results for the extreme population stars studied indicate that the 26Mg/24Mg ratio is highest at intermediate metallicities ([Fe/H] < --1.4 dex), and for the highest [Al/Fe] values....

Da Costa, G S; Yong, David

2013-01-01T23:59:59.000Z

165

Design studies of low aspect ratio quasi-omnigenous stellarators  

E-Print Network [OSTI]

optimization principles for the design of a more attractive reactor. These are 3 and 4 field period low aspect ratio quasi-omnigenous stellarators based on an optimization method that aims at improved confinement stability boundaries. 1. Configuration optimization The development of increasingly sophisticated

Martín-Solís, José Ramón

166

Holographic study of conventional and negative Poisson's ratio metallic foams  

E-Print Network [OSTI]

. Inhomogeneous, non-affine deformation was observed holographically in both foam materials. Introduction in this series were determined from displacement measurements of high magnification video tapes of the tensile a very useful and reliable tool to determine the Poisson's ratio of orthotropic FRP (Fiber Reinforced

Lakes, Roderic

167

Allowable pillar to diameter ratio for strategic petroleum reserve caverns.  

SciTech Connect (OSTI)

This report compiles 3-D finite element analyses performed to evaluate the stability of Strategic Petroleum Reserve (SPR) caverns over multiple leach cycles. When oil is withdrawn from a cavern in salt using freshwater, the cavern enlarges. As a result, the pillar separating caverns in the SPR fields is reduced over time due to usage of the reserve. The enlarged cavern diameters and smaller pillars reduce underground stability. Advances in geomechanics modeling enable the allowable pillar to diameter ratio (P/D) to be defined. Prior to such modeling capabilities, the allowable P/D was established as 1.78 based on some very limited experience in other cavern fields. While appropriate for 1980, the ratio conservatively limits the allowable number of oil drawdowns and hence limits the overall utility and life of the SPR cavern field. Analyses from all four cavern fields are evaluated along with operating experience gained over the past 30 years to define a new P/D for the reserve. A new ratio of 1.0 is recommended. This ratio is applicable only to existing SPR caverns.

Ehgartner, Brian L.; Park, Byoung Yoon

2011-05-01T23:59:59.000Z

168

Negative Poisson's Ratio Behavior Induced by an Elastic Instability  

E-Print Network [OSTI]

's ratio, which is approximately 0.5 for rubber and 0.3 for glass and steel. Materials with a negative] prostheses,[3] piezocomposites with optimal performance[4] and foams with superior damping and acoustic foams with reentrant struc- tures,[1] hierarchical laminates,[12] polymeric and metallic foams,[13

Reis, Pedro Miguel

169

Software Quality Assurance Subcommittee : Guidelines for Requirements...  

Broader source: Energy.gov (indexed) [DOE]

Software Quality Assurance Subcommittee : Guidelines for Requirements Management Software Quality Assurance Subcommittee : Guidelines for Requirements Management Requirements...

170

MAGNESIUM ISOTOPE RATIOS IN {omega} CENTAURI RED GIANTS  

SciTech Connect (OSTI)

We have used the high-resolution observations obtained at the Anglo-Australian Telescope with Ultra-High Resolution Facility (R {approx} 100,000) and at Gemini-S with b-HROS (R {approx} 150,000) to determine magnesium isotope ratios for seven {omega} Cen red giants that cover a range in iron abundance from [Fe/H] = -1.78 to -0.78 dex, and for two red giants in M4 (NGC 6121). The {omega} Cen stars sample both the ''primordial'' (i.e., O-rich, Na- and Al-poor) and the ''extreme'' (O-depleted, Na- and Al-rich) populations in the cluster. The primordial population stars in both {omega} Cen and M4 show ({sup 25}Mg, {sup 26}Mg)/{sup 24}Mg isotopic ratios that are consistent with those found for the primordial population in other globular clusters with similar [Fe/H] values. The isotopic ratios for the {omega} Cen extreme stars are also consistent with those for extreme population stars in other clusters. The results for the extreme population stars studied indicate that the {sup 26}Mg/{sup 24}Mg ratio is highest at intermediate metallicities ([Fe/H] < -1.4 dex), and for the highest [Al/Fe] values. Further, the relative abundance of {sup 26}Mg in the extreme population stars is notably higher than that of {sup 25}Mg, in contrast to model predictions. The {sup 25}Mg/{sup 24}Mg isotopic ratio in fact does not show any obvious dependence on either [Fe/H] or [Al/Fe] nor, intriguingly, any obvious difference between the primordial and extreme population stars.

Da Costa, G. S.; Norris, John E.; Yong, David [Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 0200 (Australia)

2013-05-20T23:59:59.000Z

171

An economic analysis of the benefit-cost ratio of the proposed Millican Reservoir, with emphasis on the effects of the project on agricultural income  

E-Print Network [OSTI]

AN ECONOMIC ANALYSIS OF THE BENEFIT-COST RATIO OF THE PROPOSED MILLICAN RESERVOIR, WITH EMPHASIS ON THE EFFECTS OF THE PROJECT ON AGRICULTURAL INCOME A Thesis By WILLIAM DONALD FRANKLIN Submitted to the Graduate School of the Agricultural... and Mechanical College of Texas in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE May 1963 Major Subject: Agricultural Economics AN ECONOMIC ANALYSIS OF THE BENEFIT-COST RATIO OF THE PROPOSED MILLICAN RESERVOIR, WITH EMPHASIS...

Franklin, William Donald

2012-06-07T23:59:59.000Z

172

Managing System of Systems Requirements with a Requirements Screening Group  

SciTech Connect (OSTI)

Figuring out an effective and efficient way to manage not only your Requirement’s Baseline, but also the development of all your individual requirements during a Program’s/Project’s Conceptual and Development Life Cycle Stages can be both daunting and difficult. This is especially so when you are dealing with a complex and large System of Systems (SoS) Program with potentially thousands and thousands of Top Level Requirements as well as an equal number of lower level System, Subsystem and Configuration Item requirements that need to be managed. This task is made even more overwhelming when you have to add in integration with multiple requirements’ development teams (e.g., Integrated Product Development Teams (IPTs)) and/or numerous System/Subsystem Design Teams. One solution for tackling this difficult activity on a recent large System of Systems Program was to develop and make use of a Requirements Screening Group (RSG). This group is essentially a Team made up of co-chairs from the various Stakeholders with an interest in the Program of record that are enabled and accountable for Requirements Development on the Program/Project. The RSG co-chairs, often with the help of individual support team, work together as a Program Board to monitor, make decisions on, and provide guidance on all Requirements Development activities during the Conceptual and Development Life Cycle Stages of a Program/Project. In addition, the RSG can establish and maintain the Requirements Baseline, monitor and enforce requirements traceability across the entire Program, and work with other elements of the Program/Project to ensure integration and coordination.

Ronald R. Barden

2012-07-01T23:59:59.000Z

173

ANSI Essential Requirements: Due process requirements for American  

E-Print Network [OSTI]

ANSI Essential Requirements: Due process requirements for American National Standards Edition: January 2010 Copyright by the American National Standards Institute (ANSI), 25 West 43rd Street, 4th Floor, New York, New York 10036. This material may be copied without permission from ANSI only

174

Requirements Identification, Analysis and Measurement  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Analysis, and Management adds detail and rigor to the Mission Analysis output by: Refining the initial customer input into formal Customer Requirements Identifying any...

175

Reducing Pausing at Rich-to-Lean Schedule Transitions: Effects of Variable-Ratio Schedules and Noncontingent Timeouts  

E-Print Network [OSTI]

-schedule component), which may maintain responding in the lean component when there is insufficient reinforcement. 4 General Introduction The Basic Problem: Pausing on FR Schedules Fixed-ratio (FR) schedules require that a certain number of responses occur.... In the context of a FR schedule, pausing may be considered counterproductive (or maladaptive) because it postpones the receipt of a reinforcer for a food-deprived organism. A host of variables affect pausing on FR schedules; for example, pausing increases as a...

Brewer, Adam Thornton

2012-08-31T23:59:59.000Z

176

Ratios of Helicity Amplitudes for Exclusive rho-0 Electroproduction  

E-Print Network [OSTI]

Exclusive rho^0-meson electroproduction is studied in the HERMES experiment, using a 27.6 GeV longitudinally polarized electron/positron beam and unpolarized hydrogen and deuterium targets in the kinematic region 0.5 GeV^2 \\rho_T), T_{01} (\\gamma^*_T --> \\rho_L), T_{10} (\\gamma^*_L --> \\rho_T), and T_{1-1} (\\gamma^*_{-T} -->\\rho_T) to T_{00} (\\gamma^*_L --> \\rho_L) are extracted from the data. For the unnatural-parity-exchange amplitude U_{11}, the ratio |U_{11}/T_{00}| is obtained. The Q^2 and t' dependences of these ratios are presented and compared with perturbative QCD predictions.

Airapetian, A; Akopov, Z; Aschenauer, E C; Augustyniak, W; Avakian, R; Avetissian, A; Avetisyan, E; Belostotski, S; Bianchi, N; Blok, H P; Borissov, A; Bowles, J; Bryzgalov, V; Burns, J; Capiluppi, M; Capitani, G P; Cisbani, E; Ciullo, G; Contalbrigo, M; Dalpiaz, P F; Deconinck, W; De Leo, R; De Nardo, L; De Sanctis, E; Diefenthaler, M; Di Nezza, P; Dueren, M; Ehrenfried, M; Elbakian, G; Ellinghaus, F; Fabbri, R; Fantoni, A; Felawka, L; Frullani, S; Gabbert, D; Gapienko, G; Gapienko, V; Garibaldi, F; Gavrilov, G; Gharibyan, V; Giordano, F; Gliske, S; Golembiovskaya, M; Hadjidakis, C; Hartig, M; Hasch, D; Hill, G; Hillenbrand, A; Hoek, M; Holler, Y; Hristova, I; Imazu, Y; Ivanilov, A; Jackson, H E; Jo, H S; Joosten, S; Kaiser, R; Karyan, G; Keri, T; Kinney, E; Kisselev, A; Kobayashi, N; Korotkov, V; Kozlov, V; Kravchenko, P; Krivokhijine, V G; Lagamba, L; Lamb, R; Lapikas, L; Lehmann, I; Lenisa, P; Linden-Levy, L A; Ruiz, A Lopez; Lorenzon, W; Lu, X -G; Lu, X -R; Ma, B -Q; Mahon, D; Makins, N C R; Manaenkov, S I; Manfre, L; Mao, Y; Marianski, B; de la Ossa, A Martinez; Marukyan, H; Miller, C A; Miyachi, Y; Movsisyan, A; Muccifora, V; Murray, M; Mussgiller, A; Nappi, E; Naryshkin, Y; Nass, A; Negodaev, M; Nowak, W -D; Pappalardo, L L; Perez-Benito, R; Pickert, N; Reimer, P E; Reolon, A R; Riedl, C; Rith, K; Rosner, G; Rostomyan, A; Rubin, J; Ryckbosch, D; Salomatin, Y; Sanftl, F; Schaefer, A; Schnell, G; Schueler, K P; Seitz, B; Shibata, T -A; Shutov, V; Stancari, M; Statera, M; Steffens, E; Steijger, J J M; Stinzing, F; Taroian, S; Terkulov, A; Trzcinski, A; Tytgat, M; Vandenbroucke, A; Van Haarlem, Y; Van Hulse, C; Veretennikov, D; Vikhrov, V; Vilardi, I; Wang, S; Yaschenko, S; Yen, S; Yu, W; Zihlmann, B; Zupranski, P

2010-01-01T23:59:59.000Z

177

Ratios of Helicity Amplitudes for Exclusive rho-0 Electroproduction  

E-Print Network [OSTI]

Exclusive rho^0-meson electroproduction is studied in the HERMES experiment, using a 27.6 GeV longitudinally polarized electron/positron beam and unpolarized hydrogen and deuterium targets in the kinematic region 0.5 GeV^2 \\rho_T), T_{01} (\\gamma^*_T --> \\rho_L), T_{10} (\\gamma^*_L --> \\rho_T), and T_{1-1} (\\gamma^*_{-T} -->\\rho_T) to T_{00} (\\gamma^*_L --> \\rho_L) are extracted from the data. For the unnatural-parity-exchange amplitude U_{11}, the ratio |U_{11}/T_{00}| is obtained. The Q^2 and t' dependences of these ratios are presented and compared with perturbative QCD predictions.

The HERMES Collaboration; A. Airapetian; N. Akopov; Z. Akopov; E. C. Aschenauer; W. Augustyniak; R. Avakian; A. Avetissian; E. Avetisyan; S. Belostotski; N. Bianchi; H. P. Blok; A. Borissov; J. Bowles; V. Bryzgalov; J. Burns; M. Capiluppi; G. P. Capitani; E. Cisbani; G. Ciullo; M. Contalbrigo; P. F. Dalpiaz; W. Deconinck; R. De Leo; L. De Nardo; E. De Sanctis; M. Diefenthaler; P. Di Nezza; M. Dueren; M. Ehrenfried; G. Elbakian; F. Ellinghaus; R. Fabbri; A. Fantoni; L. Felawka; S. Frullani; D. Gabbert; G. Gapienko; V. Gapienko; F. Garibaldi; G. Gavrilov; V. Gharibyan; F. Giordano; S. Gliske; M. Golembiovskaya; C. Hadjidakis; M. Hartig; D. Hasch; G. Hill; A. Hillenbrand; M. Hoek; Y. Holler; I. Hristova; Y. Imazu; A. Ivanilov; H. E. Jackson; H. S. Jo; S. Joosten; R. Kaiser; G. Karyan; T. Keri; E. Kinney; A. Kisselev; N. Kobayashi; V. Korotkov; V. Kozlov; P. Kravchenko; V. G. Krivokhijine; L. Lagamba; R. Lamb; L. Lapikas; I. Lehmann; P. Lenisa; L. A. Linden-Levy; A. Lopez Ruiz; W. Lorenzon; X. -G. Lu; X. -R. Lu; B. -Q. Ma; D. Mahon; N. C. R. Makins; S. I. Manaenkov; L. Manfre; Y. Mao; B. Marianski; A. Martinez de la Ossa; H. Marukyan; C. A. Miller; Y. Miyachi; A. Movsisyan; V. Muccifora; M. Murray; A. Mussgiller; E. Nappi; Y. Naryshkin; A. Nass; M. Negodaev; W. -D. Nowak; L. L. Pappalardo; R. Perez-Benito; N. Pickert; P. E. Reimer; A. R. Reolon; C. Riedl; K. Rith; G. Rosner; A. Rostomyan; J. Rubin; D. Ryckbosch; Y. Salomatin; F. Sanftl; A. Schaefer; G. Schnell; K. P. Schueler; B. Seitz; T. -A. Shibata; V. Shutov; M. Stancari; M. Statera; E. Steffens; J. J. M. Steijger; F. Stinzing; S. Taroian; A. Terkulov; A. Trzcinski; M. Tytgat; A. Vandenbroucke; Y. Van Haarlem; C. Van Hulse; D. Veretennikov; V. Vikhrov; I. Vilardi; S. Wang; S. Yaschenko; S. Yen; W. Yu; B. Zihlmann; P. Zupranski

2011-05-02T23:59:59.000Z

178

Beta-decay branching ratios of 62Ga  

E-Print Network [OSTI]

Beta-decay branching ratios of 62Ga have been measured at the IGISOL facility of the Accelerator Laboratory of the University of Jyvaskyla. 62Ga is one of the heavier Tz = 0, 0+ -> 0+ beta-emitting nuclides used to determine the vector coupling constant of the weak interaction and the Vud quark-mixing matrix element. For part of the experimental studies presented here, the JYFLTRAP facility has been employed to prepare isotopically pure beams of 62Ga. The branching ratio obtained, BR= 99.893(24)%, for the super-allowed branch is in agreement with previous measurements and allows to determine the ft value and the universal Ft value for the super-allowed beta decay of 62Ga.

A. Bey; B. Blank; G. Canchel; C. Dossat; J. Giovinazzo; I. Matea; V. Elomaa; T. Eronen; U. Hager; M. Hakala; A. Jokinen; A. Kankainen; I. Moore; H. Penttila; S. Rinta-Antila; A. Saastamoinen; T. Sonoda; J. Aysto; N. Adimi; G. De France; J. C. Thomas; G. Voltolini; T. Chaventré

2008-04-17T23:59:59.000Z

179

Radar antenna pointing for optimized signal to noise ratio.  

SciTech Connect (OSTI)

The Signal-to-Noise Ratio (SNR) of a radar echo signal will vary across a range swath, due to spherical wavefront spreading, atmospheric attenuation, and antenna beam illumination. The antenna beam illumination will depend on antenna pointing. Calculations of geometry are complicated by the curved earth, and atmospheric refraction. This report investigates optimizing antenna pointing to maximize the minimum SNR across the range swath.

Doerry, Armin Walter; Marquette, Brandeis [General Atomics Aeronautical Systems, Inc., San Diego, CA

2013-01-01T23:59:59.000Z

180

Dilepton to photon ratio, a viscometer of QGP  

E-Print Network [OSTI]

In the Israel-Stewart's 2nd order hydrodynamics, a viscous effect on dilepton emission from a QGP medium is investigated. Dileptons are strongly affected by QGP viscosity. Large invariant mass dileptons, due to their lower velocity, are less affected by viscosity than the low invariant mass dileptons. We also show that the ratio of photon to dilepton is sensitive to the viscosity and can serve as a viscometer for QGP.

Chaudhuri, A K

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Combustion engine variable compression ratio apparatus and method  

DOE Patents [OSTI]

An apparatus and method for varying a compression ratio of an engine having a block and a head mounted thereto. The apparatus and method includes a cylinder having a block portion and a head portion, a piston linearly movable in the block portion of the cylinder, a cylinder plug linearly movable in the head portion of the cylinder, and a valve located in the cylinder plug and operable to provide controlled fluid communication with the block portion of the cylinder.

Lawrence; Keith E. (Peoria, IL); Strawbridge, Bryan E. (Dunlap, IL); Dutart, Charles H. (Washington, IL)

2006-06-06T23:59:59.000Z

182

The use of carbon stable isotope ratios in drugs characterization  

SciTech Connect (OSTI)

Isotopic Ratio Mass Spectrometry (IRMS) is an effective toll to be used for drug product authentication. The isotopic composition could be used to assist in the differentiation between batches of drugs and assist in the identification of counterfeit materials on the market. Only two factors affect the isotopic ratios in pharmaceutical components: the isotopic composition of the raw materials and the synthetic processes performed upon them. Counterfeiting of pharmaceutical drugs threatens consumer confidence in drug products companies' economical well-being. In this preliminary study, the analyzed samples consist in two types of commercially available analgesics, which were purchases from Romanian pharmacies. Differences in ?{sup 13}C between batches from ?29.7 to ?31.6% were observed, demonstrating that this method can be used to differentiate among individual drug batches and subsequently identify counterfeits on the market. On the other hand, carbon isotopic ratios differences among producers were recorded, the variations being between ?31.3 to ?34.9% for the same type of analgesic, but from different manufactures.

Magdas, D. A., E-mail: gabriela.cristea@itim-cj.ro; Cristea, G., E-mail: gabriela.cristea@itim-cj.ro; Bot, A., E-mail: gabriela.cristea@itim-cj.ro; Mirel, V., E-mail: gabriela.cristea@itim-cj.ro [National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath Str., 400293 Cluj-Napoca (Romania)

2013-11-13T23:59:59.000Z

183

The E2/M1 ratio in {Delta} photoproduction  

SciTech Connect (OSTI)

The properties of the transition from the nucleon to the {Delta}(1232) serve as a benchmark for models of nucleon structure. To first order, N {r_arrow} {Delta} photo-excitation is dominated by a simple M1 quark spin-flip transition. At higher order, small L = 2 components in the N and {Delta} wavefunctions allow this excitation to proceed via an electric quadrupole transition. Since Nucleon models differ greatly on the mechanisms used to generate these L = 2 components,, the ratio of E2/M1 transitions (EMR) provides a sensitive test for structure models. Here, new high-precision measurements of p({rvec {gamma}}, {pi}) and p({rvec {gamma}}, {gamma}) cross sections and beam asymmetries have been combined with other polarization ratios in a simultaneous analysis of both reactions. Compton scattering has provided two important new constraints on the photo-pion amplitude. The E2/M1 mixing ratio for the N {r_arrow} {Delta} transition extracted from this analysis is EMR = {minus}3.0% {+-} 0.3 (stat+sys) {+-} 0.2 (model).

Sandorfi, A.M. [Brookhaven National Lab., Upton, NY (United States). Physics Dept.; Blanpied, G. [Univ. of South Carolina, Columbia, SC (United States). Dept. of Physics; Blecher, M. [Virginia Polytechnic Inst. and State Univ., Blacksburg, VA (United States). Physics Dept.] [and others; LEGS Collaboration

1997-08-01T23:59:59.000Z

184

Humidity requirements in WSCF Laboratories  

SciTech Connect (OSTI)

The purpose of this paper is to develop and document a position on Relative Humidity (RH) requirements in the WSCF Laboratories. A current survey of equipment vendors for Organic, Inorganic and Radiochemical laboratories indicate that 25% - 80% relative humidity may meet the environmental requirements for safe operation and protection of all the laboratory equipment.

Evans, R.A.

1994-10-01T23:59:59.000Z

185

Handbook of Academic Requirements & Procedures  

E-Print Network [OSTI]

Handbook of Academic Requirements & Procedures for the Chemistry/Biotechnology Graduate Program. A detailed account of the academic requirements and procedures is provided for graduate students in chemistry; to promote consistency in procedures and standards; and to provide a basis for communication between

Kounaves, Samuel P.

186

Degree Requirements COLLEGE OF ENGINEERING  

E-Print Network [OSTI]

or better is required in ECON 2000 (Engineering Economics), Philosophy 2244 (Engineering Ethics), and ENGLDegree Requirements COLLEGE OF ENGINEERING B.S. in Electrical Engineering Effective Date: 08) 6 Total 30 MUST SELECT ONE Computer Engineering Concentration Course Name/ # Credit Hours Course

Kulp, Mark

187

Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared at 278, 298,NIST31 ORVEnergy Request ForForms of1, 2

188

Part B - Requirements & Funding Information PART B - Requirements...  

Energy Savers [EERE]

to support the determinations and findings (D&F) required by FAR 17.502-2 to the contracting officer. Provide this information as an attachment or coordinate with the...

189

air-fuel ratio control: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

was performed to investigate the effects of air-fuel ratio, inlet boost pressure, hydrogen rich fuel reformate, and compression ratio on engine knock behavior. For each...

190

E-Print Network 3.0 - abundance ratio measurements Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

O) coronal and transition region measurements of NeO ratio significantly higher... temperature independent emission line ratios - direct measurement of relative abundances use...

191

Separated Response Function Ratios in Exclusive, Forward pi^{+/-} Electroproduction  

E-Print Network [OSTI]

The study of exclusive $\\pi^{\\pm}$ electroproduction on the nucleon, including separation of the various structure functions, is of interest for a number of reasons. The ratio $R_L=\\sigma_L^{\\pi^-}/\\sigma_L^{\\pi^+}$ is sensitive to isoscalar contamination to the dominant isovector pion exchange amplitude, which is the basis for the determination of the charged pion form factor from electroproduction data. A change in the value of $R_T=\\sigma_T^{\\pi^-}/\\sigma_T^{\\pi^+}$ from unity at small $-t$, to 1/4 at large $-t$, would suggest a transition from coupling to a (virtual) pion to coupling to individual quarks. Furthermore, the mentioned ratios may show an earlier approach to pQCD than the individual cross sections. We have performed the first complete separation of the four unpolarized electromagnetic structure functions above the dominant resonances in forward, exclusive $\\pi^{\\pm}$ electroproduction on the deuteron at central $Q^2$ values of 0.6, 1.0, 1.6 GeV$^2$ at $W$=1.95 GeV, and $Q^2=2.45$ GeV$^2$ at $W$=2.22 GeV. Here, we present the $L$ and $T$ cross sections, with emphasis on $R_L$ and $R_T$, and compare them with theoretical calculations. Results for the separated ratio $R_L$ indicate dominance of the pion-pole diagram at low $-t$, while results for $R_T$ are consistent with a transition between pion knockout and quark knockout mechanisms.

G. M. Huber; H. P. Blok; C. Butuceanu; D. Gaskell; T. Horn; D. J. Mack; D. Abbott; K. Aniol; H. Anklin; C. Armstrong; J. Arrington; K. Assamagan; S. Avery; O. K. Baker; B. Barrett; E. J. Beise; C. Bochna; W. Boeglin; E. J. Brash; H. Breuer; C. C. Chang; N. Chant; M. E. Christy; J. Dunne; T. Eden; R. Ent; H. Fenker; E. F. Gibson; R. Gilman; K. Gustafsson; W. Hinton; R. J. Holt; H. Jackson; S. Jin; M. K. Jones; C. E. Keppel; P. H. Kim; W. Kim; P. M. King; A. Klein; D. Koltenuk; V. Kovaltchouk; M. Liang; J. Liu; G. J. Lolos; A. Lung; D. J. Margaziotis; P. Markowitz; A. Matsumura; D. McKee; D. Meekins; J. Mitchell; T. Miyoshi; H. Mkrtchyan; B. Mueller; G. Niculescu; I. Niculescu; Y. Okayasu; L. Pentchev; C. Perdrisat; D. Pitz; D. Potterveld; V. Punjabi; L. M. Qin; P. E. Reimer; J. Reinhold; J. Roche; P. G. Roos; A. Sarty; I. K. Shin; G. R. Smith; S. Stepanyan; L. G. Tang; V. Tadevosyan; V. Tvaskis; R. L. J. van der Meer; K. Vansyoc; D. Van Westrum; S. Vidakovic; J. Volmer; W. Vulcan; G. Warren; S. A. Wood; C. Xu; C. Yan; W. -X. Zhao; X. Zheng; B. Zihlmann

2014-04-15T23:59:59.000Z

192

Neutrino flavor ratios as diagnostic of solar WIMP annihilation  

E-Print Network [OSTI]

We consider the neutrino (and antineutrino) flavors arriving at Earth for neutrinos produced in the annihilation of weakly interacting massive particles (WIMPs) in the Sun's core. Solar-matter effects on the flavor propagation of the resulting $\\agt$ GeV neutrinos are studied analytically within a density-matrix formalism. Matter effects, including mass-state level-crossings, influence the flavor fluxes considerably. The exposition herein is somewhat pedagogical, in that it starts with adiabatic evolution of single flavors from the Sun's center, with $\\theta_{13}$ set to zero, and progresses to fully realistic processing of the flavor ratios expected in WIMP decay, from the Sun's core to the Earth. In the fully realistic calculation, non-adiabatic level-crossing is included, as are possible nonzero values for $\\theta_{13}$ and the CP-violating phase $\\delta$. Due to resonance enhancement in matter, nonzero values of $\\theta_{13}$ even smaller than a degree can noticeably affect flavor propagation. Both normal and inverted neutrino-mass hierarchies are considered. Our main conclusion is that measuring flavor ratios (in addition to energy spectra) of $\\agt$ GeV solar neutrinos can provide discrinination between WIMP models. In particular, we demonstrate the flavor differences at Earth for neutrinos from the two main classes of WIMP final states, namely $W^+ W^-$ and 95% $b \\bar{b}$ + 5% $\\tau^+\\tau^-$. Conversely, if WIMP properties were to be learned from production in future accelerators, then the flavor ratios of $\\agt$ GeV solar neutrinos might be useful for inferring $\\theta_{13}$ and the mass hierarchy.

Ralf Lehnert; Thomas J. Weiler

2007-08-08T23:59:59.000Z

193

Update of distillers grains displacement ratios for corn ethanol life-cycle analysis.  

SciTech Connect (OSTI)

Production of corn-based ethanol (either by wet milling or by dry milling) yields the following coproducts: distillers grains with solubles (DGS), corn gluten meal (CGM), corn gluten feed (CGF), and corn oil. Of these coproducts, all except corn oil can replace conventional animal feeds, such as corn, soybean meal, and urea. Displacement ratios of corn-ethanol coproducts including DGS, CGM, and CGF were last updated in 1998 at a workshop at Argonne National Laboratory on the basis of input from a group of experts on animal feeds, including Prof. Klopfenstein (University of Nebraska, Lincoln), Prof. Berger (University of Illinois, Urbana-Champaign), Mr. Madson (Rapheal Katzen International Associates, Inc.), and Prof. Trenkle (Iowa State University) (Wang 1999). Table 1 presents current dry milling coproduct displacement ratios being used in the GREET model. The current effort focuses on updating displacement ratios of dry milling corn-ethanol coproducts used in the animal feed industry. Because of the increased availability and use of these coproducts as animal feeds, more information is available on how these coproducts replace conventional animal feeds. To glean this information, it is also important to understand how industry selects feed. Because of the wide variety of available feeds, animal nutritionists use commercial software (such as Brill Formulation{trademark}) for feed formulation. The software recommends feed for the animal on the basis of the nutritional characteristics, availability, and price of various animal feeds, as well as on the nutritional requirements of the animal (Corn Refiners Association 2006). Therefore, feed formulation considers both the economic and the nutritional characteristics of feed products.

Arora, S.; Wu, M.; Wang, M.; Energy Systems

2011-02-01T23:59:59.000Z

194

Poisson's Ratio and the Densification of Glass under High Pressure  

SciTech Connect (OSTI)

Because of a relatively low atomic packing density, (C{sub g}) glasses experience significant densification under high hydrostatic pressure. Poisson's ratio ({nu}) is correlated to C{sub g} and typically varies from 0.15 for glasses with low C{sub g} such as amorphous silica to 0.38 for close-packed atomic networks such as in bulk metallic glasses. Pressure experiments were conducted up to 25 GPa at 293 K on silica, soda-lime-silica, chalcogenide, and bulk metallic glasses. We show from these high-pressure data that there is a direct correlation between {nu} and the maximum post-decompression density change.

Rouxel, T.; Ji, H. [Applied Mechanics Laboratory of the University of Rennes 1, LARMAUR, Universite de Rennes 1, Campus de Beaulieu, 35042 Rennes cedex (France); Hammouda, T. [Laboratoire Magmas et Volcans, CNRS-OPG , Universite Blaise Pascal, 5 rue Kessler, 63038 Clermont-Ferrand cedex (France); Moreac, A. [IPR, CNRS-Universite de Rennes 1, Campus de Beaulieu, 35042 Rennes cedex (France)

2008-06-06T23:59:59.000Z

195

Method for producing thin graphite flakes with large aspect ratios  

DOE Patents [OSTI]

A method for making graphite flakes of high aspect ratio by the steps of providing a strong concentrated acid and heating the graphite in the presence of the acid for a time and at a temperature effective to intercalate the acid in the graphite; heating the intercalated graphite at a rate and to a temperature effective to exfoliate the graphite in discrete layers; subjecting the graphite layers to ultrasonic energy, mechanical shear forces, or freezing in an amount effective to separate the layes into discrete flakes.

Bunnell, L. Roy (Kennewick, WA)

1993-01-01T23:59:59.000Z

196

Quick Estimate of IRR From Capital Estimate Ratios  

E-Print Network [OSTI]

assumptions, as A useful factor can be calculated from the Net Present Values calculated above. The ratio of the Net Present Values gives the so call "Investment Equivalent of a unit of Savings," thus: $2332/$821 = $2.84 Capital/$l of Revenue...(Saving) If 15% (the assumption for discount rate, see Table I) is the minimum acceptable average earnings rate ("Hurdle rate") for a company, then the Investment Equivalent calculated above can be interpreted to mean: "The maximum among or Capital...

Larson, R. J.

197

Probability Tables for Mendelian Ratios with Small Numbers.  

E-Print Network [OSTI]

-called ex- Total ...-...-..-..-....-.--. .9999 pected may lead to error in interpretation rather than serving as a valuable aid as it does with large numbers. Examples with other small numbers could be given, but this should iIIustrate the points... is set off so as to show the point beyond which the total probability in that direction is .0050 or less. Mendelian Ratios Combi- 1 130 121 112 10 3 9 4 8 5 7 6 6 7 5 8 4 9 3 10 2 11 .On95 0028 .O002 .. -- I ---- - 1 12 .0016 .0004...

Warwick, B. L. (Bruce L.)

1932-01-01T23:59:59.000Z

198

Table E7.1. Consumption Ratios of Fuel, 1998  

U.S. Energy Information Administration (EIA) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative FuelsTotal" (Percent) Type: Sulfur Content API Gravity Period: Monthly Annual Download Series History71.7 588.51 "1. Consumption Ratios of

199

Fusion technology status and requirements  

SciTech Connect (OSTI)

This paper summarizes the status of fusion technology and discusses the requirements to be met in order to build a demonstration fusion plant. Strategies and programmatic considerations in pursuing engineering feasibility are also outlined.

Thomassen, K.I.

1982-01-26T23:59:59.000Z

200

Meeting Federal Energy Security Requirements  

Broader source: Energy.gov [DOE]

Presentation—given at at the Fall 2012 Federal Utility Partnership Working Group (FUPWG) meeting—discusses the opportunity to increase the scope of federal-utility partnerships for meeting energy security requirements.

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

CHRONIC ZINC SCREENING WATER EFFECT RATIO FOR THE H-12 OUTFALL, SAVANNAH RIVER SITE  

SciTech Connect (OSTI)

In response to proposed Zn limits for the NPDES outfall H-12, a Zn screening Water Effects Ratio (WER) study was conducted to determine if a full site-specific WER is warranted. Using standard assumptions for relating the lab results to the stream, the screening WER data were consistent with the proposed Zn limit and suggest that a full WER would result in a similar limit. Addition of a humate amendment to the outfall water reduced Zn toxicity, but the toxicity reduction was relatively small and unlikely to impact proposed Zn limits. The screening WER data indicated that the time and expense required to perform a full WER for Zn is not warranted.

Coughlin, D; Brian02 Looney, B; Margaret Millings, M

2009-01-13T23:59:59.000Z

202

Precise measurement of branching ratios in the beta decay of 38Ca  

E-Print Network [OSTI]

We present the full description of a measurement of the branching ratios for the beta-decay of 38Ca. This decay includes five allowed 0+ --> 1+ branches and a superallowed 0+ --> 0+ one. With our new result for the latter, we determine its ft value to be 3062.3(68) s, a result whose precision (0.2%) is comparable to the precision of the thirteen well known 0+ --> 0+ transitions used up till now for the determination of Vud, the up-down quark-mixing element of the CKM matrix. The 38Ca superallowed transition thus becomes the first addition to this set of transitions in nearly a decade and the first for which a precise mirror comparison is possible, thus enabling an improved test of the isospin-symmetry-breaking corrections required for the extraction of Vud.

Park, H I; Iacob, V E; Bencomo, M; Chen, L; Horvat, V; Nica, N; Roeder, B T; McCleskey, E; Tribble, R E; Towner, I S

2015-01-01T23:59:59.000Z

203

The Effects of Fuel Composition and Compression Ratio on Thermal Efficiency in an HCCI Engine  

SciTech Connect (OSTI)

The effects of variable compression ratio (CR) and fuel composition on thermal efficiency were investigated in a homogeneous charge compression ignition (HCCI) engine using blends of n-heptane and toluene with research octane numbers (RON) of 0 to 88. Experiments were conducted by performing CR sweeps at multiple intake temperatures using both unthrottled operation, and constant equivalence ratio conditions by throttling to compensate for varying air density. It was found that CR is effective at changing and controlling HCCI combustion phasing midpoint, denoted here as CA 50. Thermal efficiency was a strong function of CA 50, with overly advanced CA 50 leading to efficiency decreases. Increases in CR at a constant CA 50 for a given fuel composition did, in most cases, increase efficiency, but the relationship was weaker than the dependence of efficiency on CA 50. The increase in efficiency with higher CR was fuel-dependent, so that the fuels requiring a higher CR to achieve ignition did not gain a proportionate efficiency increase. For example, n-heptane achieved an indicated thermal efficiency (ITE) of 38% at a CR of 9:1, whereas a 50 wt% blend of toluene with n-heptane required a CR of 12:1 to achieve the same ITE. A simple heat balance around the engine showed that higher toluene content fuels had higher cooling losses. The high toluene fuels exhibited higher rates of maximum pressure rise than the lower octane fuels. The increased cooling losses can be attributed to the higher pressure rise rates, which are a driving force for heat transfer.

Szybist, James P [ORNL; Bunting, Bruce G [ORNL

2007-01-01T23:59:59.000Z

204

New Curved Spacetime Dirac Equations - On the Anomalous Gyromagnetic Ratio  

E-Print Network [OSTI]

I propose three new curved spacetime versions of the Dirac Equation. These equations have been developed mainly to try and account in a natural way for the observed anomalous gyromagnetic ratio of Fermions. The derived equations suggest that particles including the Electron which is thought to be a point particle do have a finite spatial size which is the reason for the observed anomalous gyromagnetic ratio. A serendipitous result of the theory, is that, two of the equation exhibits an asymmetry in their positive and negative energy solutions the first suggestion of which is clear that a solution to the problem as to why the Electron and Muon - despite their acute similarities - exhibit an asymmetry in their mass is possible. The Mourn is often thought as an Electron in a higher energy state. Another of the consequences of three equations emanating from the asymmetric serendipity of the energy solutions of two of these equations, is that, an explanation as to why Leptons exhibit a three stage mass hierarchy is possible.

G. G. Nyambuya

2008-09-06T23:59:59.000Z

205

Tissue phantom ratios for a Clinac 4/100  

SciTech Connect (OSTI)

Tissue phantom ratios (TPR), based on a normalization depth of 5 cm, have been measured in water for field sizes from 5 x 5 cm/sup 2/ to approximately 40 x 40 cm/sup 2/ and for depths from 1 to 40 cm for a Varian Clinac 4/100. These TPR's have been compared with those calculated from percent depth doses measured at the same time, and the two sets of data generally agree to better than 1%, with an average ratio of measured to calculated TPR of 0.999 +- 0.013. Beam profiles have been measured for open and wedged fields, with particular concern for the often observed ''horns,'' or the increase in dose at the corners of the field. The maximum dose at a depth of 1 cm, along the diagonal of the field for this machine, is approximately 5% higher than at the same depth on the central axis, whereas along the principal plane the maximum dose is only about 3% higher.

Biggs, P.J.; Doppke, K.P.; Leong, J.C.; Russell, M.D.

1982-09-01T23:59:59.000Z

206

Bound for entropy and viscosity ratio for strange quark matter  

E-Print Network [OSTI]

High energy density ($\\eps$) and temperature (T) links general relativity and hydrodynamics leading to a lower bound for the ratio of shear viscosity ($\\eta$) and entropy density ($s$). We get the interesting result that the bound is saturated in the simple model for quark matter that we use for strange stars at the surface for $T \\sim 80 MeV$. At this $T$ we have the possibility of cosmic separation of phases. At the surface of the star where the pressure is zero - the density $\\eps$ has a fixed value for all stars of various masses with correspondingly varying central energy density $\\eps_c$. Inside the star where this density is higher, the ratio of $\\eta/s$ is larger and are like the known results found for perturbative QCD. This serves as a check of our calculation. The deconfined quarks at the surface of the strange star at $T = 80 MeV$ seem to constitute the most perfect interacting fluid permitted by nature.

Manjari Bagchi; Jishnu Dey; Mira Dey; Taparati Gangopadhyay; Sibasish Laha; Subharthi Ray; Monika Sinha

2008-07-03T23:59:59.000Z

207

Influence of Transport Variables on Isospin Transport Ratios  

E-Print Network [OSTI]

The symmetry energy in the nuclear equation of state affects many aspects of nuclear astrophysics, nuclear structure, and nuclear reactions. Recent constraints from heavy ion collisions, including isospin diffusion observables, have started to put constraints on the symmetry energy below nuclear saturation density, but these constraints depend on the employed transport model and input physics other than the symmetry energy. To understand these dependencies, we study the influence of the symmetry energy, isoscaler mean field compressibility and momentum dependence, in-medium nucleon-nucleon cross sections, and light cluster production on isospin diffusion within the pBUU transport code. In addition to the symmetry energy, several uncertain issues strongly affect isospin diffusion, most notably the cross sections and cluster production. In addition, there is a difference in the calculated isospin transport ratios, depending upon whether they are computed using the isospin asymmetry of either the residue or of all forward moving fragments. Measurements that compare the isospin transport ratios of these two quantities would help place constraints on the input physics, such as the density dependence of the symmetry energy.

D. D. S. Coupland; W. G. Lynch; M. B. Tsang; P. Danielewicz; Yingxun Zhang

2011-07-19T23:59:59.000Z

208

Cosmic ray muon charge ratio in the MINOS far detector  

SciTech Connect (OSTI)

The MINOS Far Detector is a 5.4 kiloton (5.2 kt steel plus 0.2 kt scintillator plus aluminum skin) magnetized tracking calorimeter located 710 meters underground in the Soudan mine in Northern Minnesota. MINOS is the first large, deep underground detector with a magnetic field and thus capable of making measurements of the momentum and charge of cosmic ray muons. Despite encountering unexpected anomalies in distributions of the charge ratio (N{sub {mu}{sup +}}/N{sub {mu}{sup -}}) of cosmic muons, a method of canceling systematic errors is proposed and demonstrated. The result is R{sub eff} = 1.346 {+-} 0.002 (stat) {+-} 0.016 (syst) for the averaged charge ratio, and a result for a rising fit to slant depth of R(X) = 1.300 {+-} 0.008 (stat) {+-} 0.016 (syst) + (1.8 {+-} 0.3) x 10{sup -5} x X, valid over the range of slant depths from 2000 < X < 6000 MWE. This slant depth range corresponds to minimum surface muon energies between 750 GeV and 5 TeV.

Beall, Erik B; /Minnesota U.

2005-12-01T23:59:59.000Z

209

Spherical codes, maximal local packing density, and the golden ratio  

E-Print Network [OSTI]

The densest local packing (DLP) problem in d-dimensional Euclidean space Rd involves the placement of N nonoverlapping spheres of unit diameter near an additional fixed unit-diameter sphere such that the greatest distance from the center of the fixed sphere to the centers of any of the N surrounding spheres is minimized. Solutions to the DLP problem are relevant to the realizability of pair correlation functions for packings of nonoverlapping spheres and might prove useful in improving upon the best known upper bounds on the maximum packing fraction of sphere packings in dimensions greater than three. The optimal spherical code problem in Rd involves the placement of the centers of N nonoverlapping spheres of unit diameter onto the surface of a sphere of radius R such that R is minimized. It is proved that in any dimension, all solutions between unity and the golden ratio to the optimal spherical code problem for N spheres are also solutions to the corresponding DLP problem. It follows that for any packing of nonoverlapping spheres of unit diameter, a spherical region of radius less than or equal to the golden ratio centered on an arbitrary sphere center cannot enclose a number of sphere centers greater than one more than the number that can be placed on the region's surface.

A. B. Hopkins; F. H. Stillinger; S. Torquato

2010-03-18T23:59:59.000Z

210

ARM: 10-minute Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

10-minute Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm

Newsom, Rob; Goldsmith, John

211

ARM: 2-minute Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

2-minute Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm

Sivaraman, Chitra; Flynn, Connor

212

ARM: 10-second Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

10-second Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm

Sivaraman, Chitra; Flynn, Connor

213

ARM: 1-minute Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

1-minute Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm

Sivaraman, Chitra; Flynn, Connor

214

Investigations of the properties of double ratio estimators  

E-Print Network [OSTI]

case, let YO , XO , end Xl only a a(Z) -~ 1 m c Z xl J~1 ylp a(Z) =~ E vO) g 1 70 r 2m (s. 5) 29 E yl a(Z)-~ a a E xp. j 1 yla r 3a xp Substituting (3. 5) in (1. 18) again, we get (N-a) n I- rla Xl + r2a Yp ? r3a Xp + ~gn-a 1 la xl..., showing that the ratio estimator is a consistent estimator of the population value and that the bias is negligible in large samples. Hartley and Ross ($) have given an exact expression for the bias: s s? r x Bias (r) - ? cov (r, x) / X--p X where...

Pizarro de Pereira, Norma

2012-06-07T23:59:59.000Z

215

Influence of Transport Variables on Isospin Transport Ratios  

E-Print Network [OSTI]

The symmetry energy in the nuclear equation of state affects many aspects of nuclear astrophysics, nuclear structure, and nuclear reactions. Recent constraints from heavy ion collisions, including isospin diffusion observables, have started to put constraints on the symmetry energy below nuclear saturation density, but these constraints depend on the employed transport model and input physics other than the symmetry energy. To understand these dependencies, we study the influence of the symmetry energy, isoscaler mean field compressibility and momentum dependence, in-medium nucleon-nucleon cross sections, and light cluster production on isospin diffusion within the pBUU transport code. In addition to the symmetry energy, several uncertain issues strongly affect isospin diffusion, most notably the cross sections and cluster production. In addition, there is a difference in the calculated isospin transport ratios, depending upon whether they are computed using the isospin asymmetry of either the residue or of a...

Coupland, D D S; Tsang, M B; Danielewicz, P; Zhang, Yingxun

2011-01-01T23:59:59.000Z

216

Modular low-aspect-ratio high-beta torsatron  

DOE Patents [OSTI]

A fusion-reactor device is described which the toroidal magnetic field and at least a portion of the poloidal magnetic field are provided by a single set of modular coils. The coils are arranged on the surface of a low-aspect-ratio toroid in planed having the cylindrical coordinate relationship phi = phi/sub i/ + kz, where k is a constant equal to each coil's pitch and phi/sub i/ is the toroidal angle at which the i'th coil intersects the z = o plane. The toroid defined by the modular coils preferably has a race track minor cross section. When vertical field coils and, preferably, a toroidal plasma current are provided for magnetic-field-surface closure within the toroid, a vacuum magnetic field of racetrack-shaped minor cross section with improved stability and beta valves is obtained.

Sheffield, G.V.

1982-04-01T23:59:59.000Z

217

Measurement of the K+ --> pi+ nu nu branching ratio  

SciTech Connect (OSTI)

Experiment E949 at Brookhaven National Laboratory studied the rare decay K{sup +}-->pi{sup +} nu{ovr {nu}} and other processes with an exposure of 1.77 x 10{sup 12} k{sup +}'s. The data were analyzed using a blind analysis technique yielding one candidate event with an estimated background of 0.30 {+-} 0.03 events. Combining this result with the observation of two candidate events by the predecessor experiment E787 gave the branching ratio B(K{sup +}-->pi{sup +} nu{ovr {nu}}) = (1.47{sub -0.89}{sup +1.30}) x 10{sup -10}, consistent with the standard model prediction of (0.74 {+-} 0.20) x 10{sup -10}. This is a more detailed report of results previously published [V.V. Anisimovsky et al., Phys. Rev. Lett. 93, 031801 (2004)].

Adler, S.; /Brookhaven; Anisimovsky, V.V.; /Moscow, INR; Aoki, M.; /TRIUMF; Ardebili, M.; /Princeton U.; Artamonov, A.V.; /Serpukhov, IHEP; Atiya, M.; /Brookhaven; Bassalleck, B.; /New Mexico U.; Bazarko, A.O.; /Princeton U.; Bhuyan, B.; /Brookhaven; Blackmore, E.W.; /TRIUMF; Bryman, D.A.; /British Columbia U. /Tsinghua U., Beijing /TRIUMF

2008-03-01T23:59:59.000Z

218

Network Requirements Workshop - Documents and Background Materials  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Science Requirements Reviews Network Requirements Reviews Documents and Background Materials Science Engagement Move your data Programs & Workshops Science...

219

SOFTWARE QUALITY & SYSTEMS ENGINEERING PROGRAM: Requirements...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Requirements Management Checklist SOFTWARE QUALITY & SYSTEMS ENGINEERING PROGRAM: Requirements Management Checklist The following checklist is intended to provide system owners,...

220

HEAT Loan Minimum Standards and Requirements  

Broader source: Energy.gov [DOE]

Presents additional resources on loan standards and requirements from Elise Avers' presentation on HEAT Loan Minimum Standards and Requirements.

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Johnson Noise Thermometry System Requirements  

SciTech Connect (OSTI)

This document is intended to capture the requirements for the architecture of the developmental electronics for the ORNL-lead drift-free Johnson Noise Thermometry (JNT) project conducted under the Instrumentation, Controls, and Human-Machine Interface (ICHMI) research pathway of the U.S. Department of Energy (DOE) Advanced Small Modular Reactor (SMR) Research and Development (R&D) program. The requirements include not only the performance of the system but also the allowable measurement environment of the probe and the allowable physical environment of the associated electronics. A more extensive project background including the project rationale is available in the initial project report [1].

Britton Jr, Charles L [ORNL; Roberts, Michael [ORNL; Ezell, N Dianne Bull [ORNL; Qualls, A L [ORNL; Holcomb, David Eugene [ORNL

2013-01-01T23:59:59.000Z

222

Computer Science Graduation Requirements Checklist  

E-Print Network [OSTI]

Computer Science Graduation Requirements Checklist ­ Fall 2008 Computer Science Courses Course Gr. Sem. Comments CSE 114 Computer Science I [prerequisite: CSE 110] CSE 214 Computer Science II CSE 215 Foundations of Computer Science CSE 219 Computer Science III CSE 220 Computer Organization CSE 300 Writing

Zadok, Erez

223

Computer Science Graduation Requirements Checklist  

E-Print Network [OSTI]

Computer Science Graduation Requirements Checklist ­ Fall 2009 Computer Science Courses Course Gr. Sem. Comments CSE 114 Computer Science I [prerequisite: CSE 110] CSE 214 Computer Science II CSE 215 Foundations of Computer Science CSE 219 Computer Science III CSE 220 Computer Organization CSE 300 Writing

Zadok, Erez

224

Handbook of Academic Requirements & Procedures  

E-Print Network [OSTI]

Handbook of Academic Requirements & Procedures for the Chemistry Graduate Program PLEASE NOTE and procedures is provided. The intent is to describe the programs and explain the rationale behind them of the Department; to promote consistency in procedures and standards; and to provide a basis for communication

Kounaves, Samuel P.

225

AMS vs. NWS: Educational Requirements  

E-Print Network [OSTI]

· Reconstruction of past climates · Climate models · Causes of past and future climate change #12;Capstone methods · Oral, written, and multimedia communication ­ Ability to create and deliver scientific ­ Ability to effectively communicate with technical and lay audiences using scientific evidence #12;Required

226

DEGREE REQUIREMENTS BIOLOGICAL ENGINEERING TECHNOLOGY  

E-Print Network [OSTI]

DEGREE REQUIREMENTS BIOLOGICAL ENGINEERING TECHNOLOGY ENVIRONMENTAL ENGINEERING TECHNOLOGY The curriculum in the technology programs must satisfy the College of Agriculture and Life Sciences (CALS for the technology programs are listed by subject matter in three major categories: (A) Basic Subjects, (B) Advanced

Walter, M.Todd

227

Documentation Requirements for Learning Disabilities  

E-Print Network [OSTI]

Documentation Requirements for Learning Disabilities Students, faculty, staff, and campus guests wishing to request accommodations due to learning disabilities should refer to the following documentation of interest. C) Documentation must be typed, dated, signed by the evaluator and submitted to ODR

228

Higher Order Mutation Testing Submitted in fulfilment of the requirements for the  

E-Print Network [OSTI]

and Analysis: MSR for App Stores" (short paper), in Proceedings of the 9th Work- ing Conference on Mining- posium and the 13th European conference on Foundations of software engineer- ing (ESEC/FSE '11), Szeged faults Using Higher Order Mutation Testing", in Proceedings of the 8th International Working Confer- ence

Harman, Mark

229

241Am (n,gamma) isomer ratio measurement  

SciTech Connect (OSTI)

The objective of this project is to improve the accuracy of the {sup 242}Cm/{sup 241}Am radiochemistry ratio. We have performed an activation experiment to measure the {sup 241}Am(n,{gamma}) cross section leading to either the ground state of {sup 242g}Am (t{sub 1/2} = 16 hr) which decays to {sup 242}Cm (t{sub 1/2} = 163 d) or the long-lived isomer {sup 242m}Am (t{sub 1/2} = 141 yr). This experiment will develop a new set of americium cross section evaluations that can be used with a measured {sup 242}Cm/{sup 241}Am radiochemical measurement for nuclear forensic purposes. This measurement is necessary to interpret the {sup 242}Cm/{sup 241}Am ratio because a good measurement of this neutron capture isomer ratio for {sup 241}Am does not exist. The targets were prepared in 2007 from {sup 241}Am purified from LANL stocks. Gold was added to the purified {sup 241}Am as an internal neutron fluence monitor. These targets were placed into a holder, packaged, and shipped to Forschungszentrum Karlsruhe, where they were irradiated at their Van de Graff facility in February 2008. One target was irradiated with {approx}25 keV quasimonoenergetic neutrons produced by the {sup 7}Li(p,n) reaction for 3 days and a second target was also irradiated for 3 days with {approx}500 keV neutrons. Because it will be necessary to separate the {sup 242}Cm from the {sup 241}Am in order to measure the amount of {sup 242}Cm by alpha spectrometry, research into methods for americium/curium separations were conducted concurrently. We found that anion exchange chromatography in methanol/nitric acid solutions produced good separations that could be completed in one day resulting in a sample with no residue. The samples were returned from Germany in July 2009 and were counted by gamma spectrometry. Chemical separations have commenced on the blank sample. Each sample will be spiked with {sup 244}Cm, dissolved and digested in nitric acid solutions. One third of each sample will be processed at a time. First, the gold will be removed by anion exchange chromatography. Then the {sup 242}Cm will be separated from the {sup 241}Am using the methanol/nitric acid anion exchange method. When a sufficient separation has been achieved, a deposit will be prepared and the {sup 242}Cm will be counted by alpha spectrometry. The purified {sup 241}Am fraction containing the long lived {sup 242m}Am will be allowed to decay into {sup 242}Cm for a period of {approx}6 months. After this time, the americium/curium separations will be repeated and the {sup 242}Cm that has grown in will be counted by alpha spectrometry. At the conclusion of the experiment, we will have cross section measurements for {sup 241}Am (n,{gamma}) {sup 242g}Am and {sup 241}Am (n,V) {sup 242m}Am at two energies.

Bond, Evelyn M [Los Alamos National Laboratory; Vieira, David J [Los Alamos National Laboratory; Moody, Walter A [Los Alamos National Laboratory; Slemmons, Alice K [Los Alamos National Laboratory

2011-01-05T23:59:59.000Z

230

A parametric study of the breeding ratio in sodium cooled fast breeder reactors  

E-Print Network [OSTI]

in Radial Blanket of Pancake Core 20 25 CHAPTER I INTRODUCTION In recent years projected figures have been arrived at that clearly indicate the need for a breeder reactor if nuclear power development is going to proceed at a rate that will enable... it to compete with the fossil fuel plants presently in use. A large demand in the nuclear power development program is for a continu- ing supply of low cost fuel, either uranium or plutonium. It i. s for this reason that t'ne nuclear reactor development...

Sobey, Thomas Milburn

1969-01-01T23:59:59.000Z

231

Slip ratio in dispersed viscous oil-water pipe flow  

SciTech Connect (OSTI)

In this article, dispersed flow of viscous oil and water is investigated. The experimental work was performed in a 26.2-mm-i.d. 12-m-long horizontal glass pipe using water and oil (viscosity of 100 mPa s and density of 860 kg/m{sup 3}) as test fluids. High-speed video recording and a new wire-mesh sensor based on capacitance (permittivity) measurements were used to characterize the flow. Furthermore, holdup data were obtained using quick-closing-valves technique (QCV). An interesting finding was the oil-water slip ratio greater than one for dispersed flow at high Reynolds number. Chordal phase fraction distribution diagrams and images of the holdup distribution over the pipe cross-section obtained via wire-mesh sensor indicated a significant amount of water near to the pipe wall for the three different dispersed flow patterns identified in this study: oil-in-water homogeneous dispersion (o/w H), oil-in-water non-homogeneous dispersion (o/w NH) and Dual continuous (Do/w and Dw/o). The phase slip might be explained by the existence of a water film surrounding the homogeneous mixture of oil-in-water in a hidrofilic-oilfobic pipe. (author)

Rodriguez, Iara H.; Yamaguti, Henrique K.B.; de Castro, Marcelo S.; Rodriguez, Oscar M.H. [Department of Mechanical Engineering, Engineering School of Sao Carlos, University of Sao Paulo (USP), Av. Trabalhador Sao Carlense, 400, 13566-970 Sao Carlos, SP (Brazil); Da Silva, Marco J. [Forschungszentrum Dresden-Rossendorf e. V., Institute of Safety Research, PO Box 510119, 01314 Dresden (Germany)

2011-01-15T23:59:59.000Z

232

Frequency ratio method for seismic modeling of Gamma Doradus stars  

E-Print Network [OSTI]

A method for obtaining asteroseismological information of a Gamma Doradus oscillating star showing at least three pulsation frequencies is presented. This method is based on a first-order asymptotic g-mode expression, in agreement with the internal structure of Gamma Doradus stars. The information obtained is twofold: 1) a possible identification of the radial order n and degree l of observed frequencies (assuming that these have the same l), and 2) an estimate of the integral of the buoyancy frequency (Brunt-Vaisala) weighted over the stellar radius along the radiative zone. The accuracy of the method as well as its theoretical consistency are also discussed for a typical Gamma Doradus stellar model. Finally, the frequency ratios method has been tested with observed frequencies of the Gamma Doradus star HD 12901. The number of representative models verifying the complete set of constraints (the location in the HR diagram, the Brunt-Vaisala frequency integral, the observed metallicity and frequencies and a re...

Moya, A; Amado, P J; Martin-Ruiz, S; Garrido, R

2004-01-01T23:59:59.000Z

233

Velocity requirements for causality violation  

E-Print Network [OSTI]

We re-examine the "Regge-Tolman paradox" with reference to some recent experimental results. It is straightforward to find a formula for the velocity v of the moving system required to produce causality violation. This formula typically yields a velocity very close to the speed of light (for instance, v/c > 0.97 for X-shaped microwaves), which raises some doubts about the real physical observability of the violations. We then compute the velocity requirement introducing a delay between the reception of the primary signal and the emission of the secondary. It turns out that in principle for any delay it is possible to find moving observers able to produce active causal violation. This is mathematically due to the singularity of the Lorentz transformations for beta to 1. For a realistic delay due to the propagation of a luminal precursor, we find that causality violations in the reported experiments are still more unlikely (v/c > 0.989), and even in the hypothesis that the superluminal propagation velocity goes to infinity, the velocity requirement is bounded by v/c > 0.62. We also prove that if two macroscopic bodies exchange energy and momentum through superluminal signals, then the swap of signal source and target is incompatible with the Lorentz transformations; therefore it is not possible to distinguish between source and target, even with reference to a definite reference frame.

Giovanni Modanese

2015-01-18T23:59:59.000Z

234

E-Print Network 3.0 - aspect ratios numerical Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Summary: for high aspect ratio case. The importance of triangularity and of the q profile parameters has been shown... was limited to high aspect ratio. Now the results for...

235

Effects of operating conditions, compression ratio, and gasoline reformate on SI engine knock limits  

E-Print Network [OSTI]

A set of experiments was performed to investigate the effects of air-fuel ratio, inlet boost pressure, hydrogen rich fuel reformate, and compression ratio on engine knock behavior. For each condition the effect of spark ...

Gerty, Michael D

2005-01-01T23:59:59.000Z

236

E-Print Network 3.0 - anhydrous molar ratios Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ratios of magnesium to tin... of compounds in MgOSnO2 system is given here. 2.1.1. Solid-state reaction (SSR) route Two molar ratios (1... product. The stoichiometric...

237

DOE-STD-1104 Requirements Crosswalk  

Office of Environmental Management (EM)

09 to DOE-STD-1104-2014 Requirements Matrix - 1 - No. Section Page Number DOE-STD-1104-2009 Requirement DOE-STD-1104-2014 Requirements Comment Gen DOE-STD-1104-2009 was broadly...

238

Physics Degree Requirements 2008 -2010 Bulletin  

E-Print Network [OSTI]

Physics Degree Requirements 2008 -2010 Bulletin Professional Option Student: __________________________ Advisor: ____________________________ Updated 2/8/08 Physics Required Cr Gr Taken PHYS 137 1 ___ ______ PHYS 461 4 ___ ______ PHYS 490 3 ___ ______ Subtotal 47 (C- or better required) Physics Electives (8 cr

Dyer, Bill

239

A Requirements Analyst's Apprentice: A Proposal  

E-Print Network [OSTI]

The Requirements Analyst's APprentice (RAAP) partially automates the modeling process involved in creating a software requirement. It uses knowledge of the specific domain and general experience regarding software requirements ...

Reubenstein, Howard

240

Dipole aperture and superconductor requirements  

SciTech Connect (OSTI)

The cost of an accelerator is not proportional to the aperture. A change in aperture by a certain percentage results in an overall accelerator cost change by only a fraction of that percentage; the fraction may be between 0.1 and 0.5 and is almost independent of the bending field. This estimate is obtained by analyzing the superconductor requirements as a function of aperture and by making rough estimates of the largest cost items of the accelerator such as magnets and ring tunnel.

Wipf, S.L.

1983-12-11T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

New Solutions Require New Thinking  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of EnergyEnergyENERGY TAXBalanced Scorecard Federal2Energy SecondWellsWinsRules HelpSolutions Require

242

Scheduling with Quality of Service requirements in Real-Time Energy Harvesting sensors  

E-Print Network [OSTI]

Scheduling with Quality of Service requirements in Real-Time Energy Harvesting sensors Maissa by energy harvesters. We address this issue by proposing two energy-aware scheduling algorithmsS) measured in terms of deadline success ratio. Index Terms--embedded systems; energy harvesting schedu- ling

Paris-Sud XI, Université de

243

Modeling the interface area aspect ratio of carbide grains in WCCo composites  

E-Print Network [OSTI]

Modeling the interface area aspect ratio of carbide grains in WC­Co composites Xiaokun Yuan a Keywords: Cemented carbide Electron backscattered diffraction Interface area aspect ratio Five parameter analysis The average interface area aspect ratios of carbide grains in WC­Co composites are measured from

Rohrer, Gregory S.

244

Are oxygen and neon enriched in PNe and is the current solar Ne/O abundance ratio underestimated?  

E-Print Network [OSTI]

A thorough critical literature survey has been carried out for reliable measurements of oxygen and neon abundances of planetary nebulae (PNe) and HII regions. By contrasting the results of PNe and of HII regions, we aim to address the issues of the evolution of oxygen and neon in the interstellar medium (ISM) and in the late evolutionary phases of low- and intermediate-mass stars (LIMS), as well as the currently hotly disputed solar Ne/O abundance ratio. Through the comparisons, we find that neon abundance and Ne/O ratio increase with increasing oxygen abundance in both types of nebulae, with positive correlation coefficients larger than 0.75. The correlations suggest different enrichment mechanisms for oxygen and neon in the ISM, in the sense that the growth of neon is delayed compared to oxygen. The differences of abundances between PNe and HII regions, are mainly attributed to the results of nucleosynthesis and dredge-up processes that occurred in the progenitor stars of PNe. We find that both these alpha-elements are significantly enriched at low metallicity (initial oxygen abundance oxygen in intermediate mass stars (IMS) of low initial metallicities and in more massive stars, a conjecture that requires verification by further theoretical studies. This result also strongly suggests that both the solar neon abundance and the Ne/O ratio should be revised upwards by ~0.22 dex from the Asplund, Grevesse & Sauval values or by ~0.14 dex from the Grevesse & Sauval values.

W. Wang; X. -W. Liu

2008-06-13T23:59:59.000Z

245

Hazardous Waste Minimum Distance Requirements (Connecticut)  

Broader source: Energy.gov [DOE]

These regulations set minimum distance requirements between certain types of facilities that generate, process, store, and dispose of hazardous waste and other land uses. The regulations require an...

246

Bioinformatics and Genomics Degree Requirements Booklet  

E-Print Network [OSTI]

Bioinformatics and Genomics Degree Requirements Booklet Fall 2010 #12;Contents Course Requirements Bioinformatics and Genomics Curriculum -------------------------------------------------------8 General #12;Bioinformatics and Genomics Option (BG

dePamphilis, Claude

247

NBP RFI: Communications Requirements- Honeywell Responses To...  

Broader source: Energy.gov (indexed) [DOE]

the National Broadband Plan by Studying the Communications Requirements of Electric Utilities To Inform Federal Smart NBP RFI: Communications Requirements- Honeywell Responses To...

248

Cold vacuum drying facility design requirements  

SciTech Connect (OSTI)

This document provides the detailed design requirements for the Spent Nuclear Fuel Project Cold Vacuum Drying Facility. Process, safety, and quality assurance requirements and interfaces are specified.

IRWIN, J.J.

1999-07-01T23:59:59.000Z

249

Studying the Communications Requirements of Electric Utilities...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Studying the Communications Requirements of Electric Utilities to Inform Federal Smart Grid Policies- Public Meeting Studying the Communications Requirements of Electric Utilities...

250

An approach to determine a defensible spent fuel ratio.  

SciTech Connect (OSTI)

Sabotage of spent nuclear fuel casks remains a concern nearly forty years after attacks against shipment casks were first analyzed and has a renewed relevance in the post-9/11 environment. A limited number of full-scale tests and supporting efforts using surrogate materials, typically depleted uranium dioxide (DUO2), have been conducted in the interim to more definitively determine the source term from these postulated events. In all the previous studies, the postulated attack of greatest interest was by a conical shape charge (CSC) that focuses the explosive energy much more efficiently than bulk explosives. However, the validity of these large-scale results remain in question due to the lack of a defensible Spent Fuel Ratio (SFR), defined as the amount of respirable aerosol generated by an attack on a mass of spent fuel compared to that of an otherwise identical DUO2 surrogate. Previous attempts to define the SFR have resulted in estimates ranging from 0.42 to 12 and include suboptimal experimental techniques and data comparisons. Different researchers have suggested using SFR values of 3 to 5.6. Sound technical arguments exist that the SFR does not exceed a value of unity. A defensible determination of the SFR in this lower range would greatly reduce the calculated risk associated with the transport and dry storage of spent nuclear fuel. Currently, Oak Ridge National Laboratory (ORNL) is in possession of several samples of spent nuclear fuel (SNF) that were used in the original SFR studies in the 1980's and were intended for use in a modern effort at Sandia National Laboratories (SNL) in the 2000's. A portion of these samples are being used for a variety of research efforts. However, the entirety of SNF samples at ORNL is scheduled for disposition at the Waste Isolation Pilot Plant (WIPP) by approximately the end of 2015. If a defensible SFR is to be determined for use in storage and transportation security analyses, the need to begin this effort is urgent in order to secure the only known available SNF samples with a clearly defined path to disposal.

Durbin, Samuel G.; Lindgren, Eric Richard

2014-03-01T23:59:59.000Z

251

Measuring the branching ratio of the rare decay pi0 --> e+ e-  

SciTech Connect (OSTI)

A precise branching ratio measurement of the rare decay {pi}{sup 0} {yields} e{sup +}e{sup -} has been made. The measurement was made with the rare kaon decay experiment KTeV at Fermilab where the source of {pi}{sup 0}s was K{sub L} {yields} {pi}{sup 0}{pi}{sup 0}{pi}{sup 0} decaying in flight. A total of 794 fully reconstructed K{sub L} {yields} 3{pi}{sup 0} events consistent with two of the intermediate {pi}{sup 0}s decaying into {gamma}{gamma} and one into e{sup +}e{sup -} were collected. An estimated 53.2 {+-} 11.0 of these events were expected to be background. Normalizing to the {pi}{sup 0} Dalitz decay they found Br({pi}{sup 0} {yields} e{sup +}e{sup -}, (m{sub e{sup +}e{sup -}}/m{sub {pi}{sup 0}}){sup 2} > 0.95) = (6.44 {+-} 0.25(stat) {+-} 0.22(syst)) x 10{sup -8} where internal radiation, {pi}{sup 0} {yields} e{sup +}e{sup -}({gamma}), was limited by the requirement (m{sub e{sup +}e{sup -}}/m{sub {pi}{sup 0}}){sup 2} > 0.95 which separated it from the tree level Dalitz decay, {pi}{sup 0} {yields} e{sup +}e{sup -}P{gamma}.

Niclasen, Rune; /Colorado U.

2006-02-01T23:59:59.000Z

252

Formation of compressed flat electron beams with high transverse-emittance ratios  

SciTech Connect (OSTI)

Flat beams—beams with asymmetric transverse emittances—have important applications in novel light-source concepts and advanced-acceleration schemes and could possibly alleviate the need for damping rings in lepton colliders. Over the last decade, a flat beam generation technique based on the conversion of an angular-momentum-dominated beam was proposed and experimentally tested. In this paper we explore the production of compressed flat beams. We especially investigate and optimize the flat beam transformation for beams with substantial fractional energy spread. We use as a simulation example the photoinjector of Fermilab’s Advanced Superconducting Test Accelerator. The optimizations of the flat beam generation and compression at Advanced Superconducting Test Accelerator were done via start-to-end numerical simulations for bunch charges of 3.2 nC, 1.0 nC, and 20 pC at ?37??MeV. The optimized emittances of flat beams with different bunch charges were found to be 0.25???m (emittance ratio is ?400), 0.13????m, 15 nm before compression, and 0.41???m, 0.20???m, 16 nm after full compression, respectively, with peak currents as high as 5.5 kA for a 3.2?nC flat beam. These parameters are consistent with requirements needed to excite wakefields in asymmetric dielectric-lined waveguides or produce significant photon flux using small-gap micro-undulators.

Zhu, J. [Fermilab; Institute of Fluid Physics, CAEP, China; Piot, P. [Northern Illinois University; Fermilab; Mihalcea, D. [Northern Illinois University; Prokop, C. R. [Northern Illinois University

2014-08-01T23:59:59.000Z

253

55Fe effect on enhancing ferritic steel He/dpa ratio in fission reactor irradiations to simulate fusion conditions  

SciTech Connect (OSTI)

How to increase the ferritic steel He(appm)/dpa ratio in a fission reactor neutron spectrum is an important question for fusion reactor material testing. An early experiment showed that the accelerated He(appm)/dpa ratio of about 2.3 was achieved for 96% enriched 54Fe in iron with 458.2 effective full power days (EFPD) irradiation in the High Flux Isotope Reactor (HFIR), ORNL. Greenwood suggested that the transmutation produced 55Fe has a thermal neutron helium production cross section which may have an effect on this result. In the current work, the ferritic steel He(appm)/dpa ratio is studied in the neutron spectrum of HFIR with 55Fe thermal neutron helium production taken into account. The available ENDF-b format 55Fe incident neutron cross section file from TENDL, Netherlands, is first input into the calculation model. A benchmark calculation for the same sample as used in the aforementioned experiment was used to adjust and evaluate the TENDL 55Fe (n, a) cross section values. The analysis shows a decrease of a factor of 6700 for the TENDL 55Fe (n, a) cross section in the intermediate and low energy regions is required in order to fit the experimental results. The best fit to the cross section value at thermal neutron energy is about 27 mb. With the adjusted 55Fe (n, a) cross sections, calculation show that the 54Fe and 55Fe isotopes can be enriched by the isotopic tailoring technique in a ferritic steel sample irradiated in HFIR to significantly enhance the helium production rate. The results show that a 70% enriched 54Fe and 30% enriched 55Fe ferritic steel sample would produce a He(appm)/dpa ratio of about 13 initially in the HFIR peripheral target position (PTP). After one year irradiation, the ratio decreases to about 10. This new calculation can be used to guide future isotopic tailoring experiments designed to increase the He(appm)/dpa ratio in fission reactors. A benchmark experiment is suggested to be performed to evaluate the 55Fe (n, a) cross section at thermal energy.

Liu, Haibo; Abdou, Mohamed A.; Greenwood, Lawrence R.

2013-11-01T23:59:59.000Z

254

The impact of equivalence ratio oscillations on combustion dynamics in a backward-facing step combustor  

SciTech Connect (OSTI)

The combustion dynamics of propane-air flames are investigated in an atmospheric pressure, atmospheric inlet temperature, lean, premixed backward-facing step combustor. We modify the location of the fuel injector to examine the impact of equivalence ratio oscillations arriving at the flame on the combustion dynamics. Simultaneous pressure, velocity, heat-release rate and equivalence ratio measurements and high-speed video from the experiments are used to identify and characterize several distinct operating modes. When the fuel is injected far upstream from the step, the equivalence ratio arriving at the flame is steady and the combustion dynamics are controlled only by flame-vortex interactions. In this case, different dynamic regimes are observed depending on the operating parameters. When the fuel is injected close to the step, the equivalence ratio arriving at the flame exhibits oscillations. In the presence of equivalence ratio oscillations, the measured sound pressure level is significant across the entire range of lean mean equivalence ratios even if the equivalence ratio oscillations arriving at the flame are out-of-phase with the pressure oscillations. The combustion dynamics are governed primarily by the flame-vortex interactions, while the equivalence ratio oscillations have secondary effects. The equivalence ratio oscillations could generate variations in the combustion dynamics in each cycle under some operating conditions, destabilize the flame at the entire range of the lean equivalence ratios, and increase the value of the mean equivalence ratio at the lean blowout limit. (author)

Murat Altay, H.; Speth, Raymond L.; Hudgins, Duane E.; Ghoniem, Ahmed F. [Massachusetts Institute of Technology, Department of Mechanical Engineering, Cambridge, MA 02139 (United States)

2009-11-15T23:59:59.000Z

255

Grantee Checklist for the Inspection & Monitoring Requirement  

Broader source: Energy.gov [DOE]

This document walks Grantees through the Inspection & Monitoring requirement of the Quality Work Plan.

256

Logical Structure Extraction from Software Requirements Documents  

E-Print Network [OSTI]

Documents I. INTRODUCTION Requirements management (RM) tools store and manipu- late software requirementsLogical Structure Extraction from Software Requirements Documents Rehan Rauf, Michal Antkiewicz,mantkiew,kczarnec}@gsd.uwaterloo.ca Abstract--Software requirements documents (SRDs) are often authored in general-purpose rich-text editors

Czarnecki, Krzysztof

257

Simulation study of areal sweep efficiency versus a function of mobility ratio and aspect ratio for staggered line-drive waterflood pattern  

E-Print Network [OSTI]

ratios on five-spot and staggered waterflood patterns behavior for areal (2D) displacement in a reservoir that is homogeneous and isotropic containing no initial gas saturation. Simulation was performed using Eclipse 100 simulator. Simulation results...

Guliyev, Ruslan

2008-10-10T23:59:59.000Z

258

A helium-cooled blanket design of the low aspect ratio reactor  

SciTech Connect (OSTI)

An aggressive low aspect ratio scoping fusion reactor design indicated that a 2 GW(e) reactor can have a major radius as small as 2.9 m resulting in a device with competitive cost of electricity at 49 mill/kWh. One of the technology requirements of this design is a high performance high power density first wall and blanket system. A 15 MPa helium-cooled, V-alloy and stagnant LiPb breeder first wall and blanket design was utilized. Due to the low solubility of tritium in LiPb, there is the concern of tritium migration and the formation of V-hydride. To address these issues, a lithium breeder system with high solubility of tritium has been evaluated. Due to the reduction of blanket energy multiplication to 1.2, to maintain a plant Q of > 4, the major radius of the reactor has to be increased to 3.05 m. The inlet helium coolant temperature is raised to 436 C in order to meet the minimum V-alloy temperature limit everywhere in the first wall and blanket system. To enhance the first wall heat transfer, a swirl tape coolant channel design is used. The corresponding increase in friction factor is also taken into consideration. To reduce the coolant system pressure drop, the helium pressure is increased from 15 to 18 MPa. Thermal structural analysis is performed for a simple tube design. With an inside tube diameter of 1 cm and a wall thickness of 1.5 mm, the lithium breeder can remove an average heat flux and neutron wall loading of 2 and 8 MW/m(2), respectively. This reference design can meet all the temperature and material structural design limits, as well as the coolant velocity limits. Maintaining an outlet coolant temperature of 650 C, one can expect a gross closed cycle gas turbine thermal efficiency of 45%. This study further supports the use of helium coolant for high power density reactor design. When used with the low aspect ratio reactor concept a competitive fusion reactor can be projected at 51.9 mill/kWh.

Wong, C.P.; Baxi, C.B.; Reis, E.E. [General Atomics, San Diego, CA (United States); Cerbone, R.; Cheng, E.T. [TSI Research, Solana Beach, CA (United States)

1998-03-01T23:59:59.000Z

259

A comparison of the values of Poisson's ratio of rocks measured statically and dynamically  

E-Print Network [OSTI]

pressure (specimens 1251 and 1253 26 15, Poisson's ratio versus confining pressure (specimens 1270 and 1280 27 16. Poisson's ratio versus confining pressure (specimens 1296 and 1299 28 17. Poisson's ratio versus porosity at 5, 000 and 10, 000 psi... were taken at room temperature and under confining pressures ranging from 0 to 10, 000 psi. The measurements showed that the values, as measured by the two methods described, agreed very well at high confining pressures but varied at low pressures...

Marek, Benjamin Frank

1967-01-01T23:59:59.000Z

260

E-Print Network 3.0 - activity ratio disequilibrium Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the oxida- tive ratio of the return flux (Rba). After a period of ... Source: Randerson, James T. - Department of Earth System Science, University of California, Irvine...

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261

E-Print Network 3.0 - average aspect ratios Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

aspect ratio... results between them. Turbulent flow in enclosures with ... Source: Massachusetts at Amherst, University of - Center for Energy Efficiency and Renewable Energy,...

262

E-Print Network 3.0 - aspect ratio electrodes Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and Fusion ; Engineering 56 Electrochemical study of dual conjugated polymer electrochromic devices Summary: , the redox charge ratio between the two constituting films, and...

263

E-Print Network 3.0 - aspect ratio Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

time scale of the resulting motion. In both series the initial aspect ratio a... two orders of magnitude. The initial basal lengths and range of aspect ... Source: Huppert,...

264

E-Print Network 3.0 - aspect ratio effects Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

time scale of the resulting motion. In both series the initial aspect ratio a... two orders of magnitude. The initial basal lengths and range of aspect ... Source: Huppert,...

265

E-Print Network 3.0 - aspect ratio wings Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

S., "Limit Cycle Oscillations in High-Aspect-Ratio Wings," Jour- nal of Fluids... of Aerodynamic and Structural Geometrical Nonlinearities on Aeroelastic Behavior of...

266

ablation-absorption ratio spectrometry: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

isotopes 2 A gas chromatographypyrolysisisotope ratio mass spectrometry system for high-precision dD measurements Environmental Sciences and Ecology Websites Summary: of...

267

Mass dependence of balance energy for different N/Z ratio  

E-Print Network [OSTI]

We present the study for the mass dependence of E$_{bal}$ for various N/Z ratios covering pure symmetric systems to highly neutron-rich ones.

Aman D. Sood

2011-09-28T23:59:59.000Z

268

aspect-ratio polymer microstructures: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

promising method for controlled coating of the inner surfaces of monolithic nanoporous aerogel (AG suited for coating substrates with ultrahigh aspect ratios (J103), including...

269

E-Print Network 3.0 - average likelihood ratio Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ABSTRACT Con dence... intervals are based on an inversion of the likelihood ratio statistic. To do this two extensions... of the likelihood, each of which yields meaningful...

270

E-Print Network 3.0 - avalanches branching ratios Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

20 J.Stat.Mech.(2010)P02015 ournal of Statistical Mechanics Summary: ) and subcritical dynamics: individual avalanches are either subcritical (average branching ratio...

271

Physics Degree Requirements 2008-2010 Bulletin  

E-Print Network [OSTI]

Physics Degree Requirements 2008-2010 Bulletin Interdisciplinary Option Student: ___________________ Advisor: ________________ Option: ________________ Updated 2/8/08 Physics Required Cr Gr Taken PHYS 137 1) Physics Electives (3 cr; 253 and 300) PHYS _____ ___ ___ ______ PHYS _____ ___ ___ ______ PHYS

Dyer, Bill

272

Secondary Mathematics Teacher Certification Requirements Mathematics  

E-Print Network [OSTI]

Secondary Mathematics Teacher Certification Requirements Mathematics Undergraduate Program:______________ Date:______________ Date:______________ Date:______________ MATHEMATICS CORE REQUIREMENTS MATH 151 Introduction to Mathematical Analysis I CMSC 201 Computer Science I MATHEMATICS EDUCATION CONCENTRATION

Maryland, Baltimore County, University of

273

City of Dubuque- Solar Thermal Licensing Requirement  

Broader source: Energy.gov [DOE]

The City of Dubuque requires a Solar Thermal License in order for a person to install a solar thermal project on a home or business. The requirement does not apply to solar photovoltaics. The...

274

Salt Lake City- High Performance Buildings Requirement  

Broader source: Energy.gov [DOE]

Salt Lake City's mayor issued an executive order in July 2005 requiring that all public buildings owned and controlled by the city be built or renovated to meet the requirements of LEED "silver"...

275

Delegation Procedures - DOE Directives, Delegations, and Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Energy's primary means of establishing policies, requirements, responsibilities, and procedures for Departmental elements and contractors. Directives Program Management Camille...

276

Secondary Science Teacher Certification Requirements Undergraduate Program  

E-Print Network [OSTI]

:____________________________________________ Initial GPA: _________ Campus ID: ____________________ Advisor _________ _________ _____ _____ Mathematics Requirements: STAT 350 Statistics with Applications OR STAT 351 Applied Statistics for Business

Maryland, Baltimore County, University of

277

Clean Air Act Requirements: Uranium Mill Tailings  

E-Print Network [OSTI]

EPA'S Clean Air Act Requirements: Uranium Mill Tailings Radon Emissions Rulemaking Reid J. Rosnick requirements for operating uranium mill tailings (Subpart W) Status update on Subpart W activities Outreach/Communications #12;3 EPA Regulatory Requirements for Operating Uranium Mill Tailings (Clean Air Act) · 40 CFR 61

278

Materials Science and Engineering Graduate Program Requirements  

E-Print Network [OSTI]

Materials Science and Engineering Graduate Program Requirements The Department of Materials Science-Thesis option requires a Special Project, and the Ph.D. degree requires a Doctoral Dissertation. MASTER (6034), Advanced Materials Techniques: Experiment, Theory, and Characterization (6011), and Engineering

Simons, Jack

279

ORIGINAL ARTICLE Information requirements analysis for holonic  

E-Print Network [OSTI]

ORIGINAL ARTICLE Information requirements analysis for holonic manufacturing systems in a virtual and development of holonic manu- facturing systems requires careful, and sometimes risky, decision making, the authors propose a methodology for a holonic manufacturing systems requirement analysis that is based

280

FCEDS General Education Requirements (Updated 2013)  

E-Print Network [OSTI]

FCEDS General Education Requirements (Updated 2013) This proposal outlines a plan that would allow a transfer student to apply an Associate of Arts or Associate of Science degree to meet the General Education requirements of the Family and Consumer Sciences Education and Studies (FCEDS) curriculum. The required

Mayfield, John

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Special Contract Requirements Enclosure 2 INSTRUCTIONS TO CONTRACTING OFFICERS: The Special Contract Requirement "Workers  

E-Print Network [OSTI]

Special Contract Requirements Enclosure 2 INSTRUCTIONS TO CONTRACTING OFFICERS: The Special Contract Requirement "Workers Compensation Insurance (Defense Base Act) (APRIL 2011)" shall be included in the contract as applicable. Whenever Defense Base Act (DBA) insurance is required under the contract

US Army Corps of Engineers

282

Requirements in DOE O 5480.19, Conduct of Operations Requirements...  

Broader source: Energy.gov (indexed) [DOE]

Requirements in DOE O 5480.19, Conduct of Operations Requirements for DOE Facilities Cross-referenced to DOE O 422.1, Conduct of Operations. Requirements in DOE O 5480.19, Conduct...

283

Measurement of lithium isotope ratios by quadrupole-ICP-MS: application to seawater and natural carbonates  

E-Print Network [OSTI]

Measurement of lithium isotope ratios by quadrupole-ICP-MS: application to seawater and natural method for lithium isotope ratio (7 Li/6 Li) determinations with low total lithium consumption ( lithium from all matrix elements using small volume resin (2 ml/3.4 meq AG 50W-X8) and low volume elution

Weston, Ken

284

Rapidity dependence of the photon to pion production ratio in high energy collisions  

E-Print Network [OSTI]

We investigate rapidity dependence of the ratio of photon and pion production cross sections in high energy proton (deuteron) - nucleus collisions at RHIC and LHC. This ratio, and its rapidity dependence can be a sensitive probe of high density QCD (Color Glass Condensate) dynamics and shed further light on the role of saturation physics at RHIC and LHC.

Jamal Jalilian-Marian

2007-03-22T23:59:59.000Z

285

Predatorprey ratio and guild constancy in a tropical insect Oliver Kruger1  

E-Print Network [OSTI]

: the energy ratio and common determinants of diversity hypotheses were well supported and most likely were found and both energy ratio and common determinants of diversity hypotheses might explain are well established (Ricklefs, 1990; Holt, 1993; Polis & Wine- miller, 1996; Polis, Anderson & Holt, 1997

KrĂĽger, Oliver

286

Signal-to-noise ratio of Geiger-mode avalanche photodiode single-photon  

E-Print Network [OSTI]

Signal-to-noise ratio of Geiger-mode avalanche photodiode single-photon counting detectors Kimberly Kolb #12;Signal-to-noise ratio of Geiger-mode avalanche photodiode single-photon counting detectors, Rochester, New York 14623 Abstract. Geiger-mode avalanche photodiodes (GM-APDs) use the avalanche mechanism

Figer, Donald F.

287

Puddle Dynamics and Air-to-Fuel Ratio Compensation for Gasoline-Ethanol Blends in  

E-Print Network [OSTI]

1 Puddle Dynamics and Air-to-Fuel Ratio Compensation for Gasoline-Ethanol Blends in Flex flexible fuel vehicles (FFVs) can operate on a blend of gasoline and ethanol in any concentration of up for gasoline-ethanol blends is, thus, necessary for the purpose of air-to-fuel ratio control. In this paper, we

Stefanopoulou, Anna

288

Quantification of Nanoscale Density Fluctuations in Biological Cells/Tissues: Inverse Participation Ratio (IPR) Analysis of  

E-Print Network [OSTI]

Ratio (IPR) Analysis of Transmission Electron Microscopy Images and Implications for Early-Stage Cancer analysis of the inverse participation ratio (IPR) of the eigenfunctions of these optical lattices at the nanoscales. First, the IPR analysis is validated in experiments with models of disordered systems fabricated

Pradhan, Prabhakar

289

Negative Association of Neuroticism with Brain Volume Ratio in Healthy Humans  

E-Print Network [OSTI]

Negative Association of Neuroticism with Brain Volume Ratio in Healthy Humans Brian Knutson, Reza Momenan, Robert R. Rawlings, Grace W. Fong, and Daniel Hommer Background: Brain volume decreases reactivity (i.e., neuroti- cism) would also predict reductions in brain volume. Methods: Brain volume ratios

Knutson, Brian

290

Frequency Ratio of ${}^{199}$Hg and ${}^{87}$Sr Optical Lattice Clocks beyond the SI Limit  

E-Print Network [OSTI]

We report on a frequency ratio measurement of a ${}^{199}$Hg-based optical lattice clock referencing a ${}^{87}$Sr-based clock. Evaluations of lattice light shift, including atomic-motion-dependent shift, enable us to achieve a total systematic uncertainty of $7.2 \\times 10^{-17}$ for the Hg clock. The frequency ratio is measured to be $\

Yamanaka, Kazuhiro; Ushijima, Ichiro; Takamoto, Masao; Katori, Hidetoshi

2015-01-01T23:59:59.000Z

291

DATABASE LIKELIHOOD RATIOS AND FAMILIAL DNA KLAAS SLOOTEN AND RONALD MEESTER  

E-Print Network [OSTI]

DATABASE LIKELIHOOD RATIOS AND FAMILIAL DNA SEARCHING KLAAS SLOOTEN AND RONALD MEESTER Abstract. Familial Searching is the process of searching in a DNA database for relatives of a given individual ratio, which is in this context called a Kinship Index. Suppose that the database contains, for a given

Meester, Ronald

292

Prediction of Ultra-High Aspect Ratio Nanowires from Self-Assembly  

E-Print Network [OSTI]

Prediction of Ultra-High Aspect Ratio Nanowires from Self-Assembly Zhigang Wu and Jeffrey C to investigate the possible self-assembly of nanoscale objects into ultrahigh aspect ratio chains and wires. Self-assembly17,18 from nanosize building blocks is regarded as one of the most promising methods

Wu, Zhigang

293

Steiner ratio typeset December 5, 1994 Smith & Smith Warren D. Smith  

E-Print Network [OSTI]

Steiner ratio typeset December 5, 1994 Smith & Smith Warren D. Smith 3 wds@research.nj.nec.com J. MacGregor Smith y jmsmith@umaecs.edu December 5, 1994 Abstract --- The ``Steiner minimal tree'' (SMT. This is a companion paper to D­Z. Du and W.D.Smith: Three disproofs of the Gilbert­Pollak Steiner ratio conjecture

Smith, J. MacGregor

294

Mapping the Energy Distribution of SERRS Hot Spots from Anti-Stokes to Stokes Intensity Ratios  

E-Print Network [OSTI]

Mapping the Energy Distribution of SERRS Hot Spots from Anti- Stokes to Stokes Intensity Ratios in the anti-Stokes to Stokes intensity ratios in single-molecule surface-enhanced resonance Raman scattering-enhanced Raman scattering. Moreover, a methodology to estimate the distribution of resonance energies

Brolo, Alexandre G.

295

Power and Effective Study Size Based on Approximations to the Expected Likelihood Ratio  

E-Print Network [OSTI]

Power and Effective Study Size Based on Approximations to the Expected Likelihood Ratio Test statistical power and precision of heritability estimates can be difficult particularly in complex pedigrees. Previous work focused on the power to detect heritability by using the expectation of the likelihood ratio

Washington at Seattle, University of

296

Modeling of Air-Fuel Ratio Dynamics of Gasoline Combustion Engine with ARX Network  

E-Print Network [OSTI]

DS-06-1351 Modeling of Air-Fuel Ratio Dynamics of Gasoline Combustion Engine with ARX Network Tomás dynamics of gasoline engines during transient operation. With a collection of input-output data measured;Modeling of Air-Fuel Ratio Dynamics of Gasoline Combustion Engine with ARX Network I. INTRODUCTION

Johansen, Tor Arne

297

Temporal variability of uranium concentrations and 234 activity ratios in the Mississippi river and its tributaries  

E-Print Network [OSTI]

Temporal variability of uranium concentrations and 234 U/238 U activity ratios in the Mississippi Department of Geology and Geophysics, Texas A&M University, College Station, TX 77845, United States c/238 U activity ratios and total dissolved uranium concentrations in the Lower Mississippi River at New

298

Maximum entropy and Bayesian approaches to the ratio problem Edward Z. Shen*  

E-Print Network [OSTI]

Maximum entropy and Bayesian approaches to the ratio problem Edward Z. Shen* Jeffrey M. Perloff** January 2001 Abstract Maximum entropy and Bayesian approaches provide superior estimates of a ratio extra information in the supports for the underlying parameters for generalized maximum entropy (GME

Perloff, Jeffrey M.

299

UDC 622.276 A NEW APPROACH CALCULATE OIL-GAS RATIO  

E-Print Network [OSTI]

UDC 622.276 A NEW APPROACH CALCULATE OIL-GAS RATIO FOR GAS CONDENSATE AND VOLATILE OIL RESERVOIRS. In this work, we develop a new approach to calculate oil-gas ratio (Rv) by matching PVT experimental data laboratory analysis of eight gas condensate and five volatile oil fluid samples; selected under a wide range

Fernandez, Thomas

300

Master thesis project at the Netherlands Forensic Development and validation of Likelihood Ratio  

E-Print Network [OSTI]

Master thesis project at the Netherlands Forensic Institute: Development and validation of Likelihood Ratio methods In the forensic scientific community, it is widely accepted to present a likelihood in contributions from the Netherlands Forensic Institute to the Dutch legal system. A LR is defined as the ratio

Boucherie, Richard J.

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

NON RESIDENT ALIEN REQUIRED DOCUMENTS CLASSIFICATION REQUIRED ATTACHEMENTS MUST BE SUBMITTED WITH THE  

E-Print Network [OSTI]

NON RESIDENT ALIEN REQUIRED DOCUMENTS CLASSIFICATION REQUIRED ATTACHEMENTS MUST BE SUBMITTED WITH THE PAYROLL DOCUMENTS AND CITIZENSHIP STATUS FORM Permanent Resident Resident Alien Card, or I-551 Stamped

Adali, Tulay

302

Estimating the aggregate/intraaggregate mass ratio of a shrinking soil  

E-Print Network [OSTI]

A recently introduced parameter, the ratio of an aggregate solid mass to a solid mass of an intraaggregate matrix (K ratio) is connected with the mean thickness of a deformable, but non-shrinking surface layer of aggregates and is a fundamental property of aggregated soils that essentially influences their shrinkage. The objective of this work is to suggest and validate an approach to estimating the K ratio at any soil clay content through characteristics of soil texture and structure. We derive an equation that reflects the interrelation between the K ratio and soil texture and structure. The K ratio can be estimated as the solution of the equation and is determined by the mean size of soil solids and the maximum size of soil aggregates in the oven-dried state, independently of a measured shrinkage curve. To validate the approach we use available data for eight soils.

V. Y. Chertkov

2014-03-25T23:59:59.000Z

303

ARM: 10-minute TEMPORARY Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

10-minute TEMPORARY Raman Lidar: aerosol scattering ratio and backscattering coefficient profiles, from first Ferrare algorithm

Sivaraman, Chitra; Flynn, Connor

304

Characterization Of High-Stroke High-Aspect Ratio Micro Electro Mechanical Systems Deformable Mirrors For Adaptive Optics  

E-Print Network [OSTI]

Journal of Microelectromechanical Systems 8, 497– 8)High-aspect ratio microelectromechanical systems deformable

Bouchti, Mohamed Amine

2013-01-01T23:59:59.000Z

305

Safety of magnetic fusion facilities: Requirements  

SciTech Connect (OSTI)

This Standard identifies safety requirements for magnetic fusion facilities. Safety functions are used to define outcomes that must be achieved to ensure that exposures to radiation, hazardous materials, or other hazards are maintained within acceptable limits. Requirements applicable to magnetic fusion facilities have been derived from Federal law, policy, and other documents. In addition to specific safety requirements, broad direction is given in the form of safety principles that are to be implemented and within which safety can be achieved.

NONE

1996-05-01T23:59:59.000Z

306

Nutrient Requirements of the Cow and Calf.  

E-Print Network [OSTI]

protein and minimum megacalories of digestible energy per pound of feed. The section on travel, fetal deaelopment and gain shows the quality of forage 'needed to furnish the energy and protetin for these activities. The section on milk production...NUTRIENT REQUIREMENTS of the Cow and Calf TEXAS A&M UNIVERSITY TEXAS AGRICULTURAL EXTENSION SERVICE, J. E. Hutchison, Director College Station, Texas I contents I-. Energy Requirements, 3 Protein Requirements, 8 Daily Nutrient...

Maddox, L. A. Jr.

1965-01-01T23:59:59.000Z

307

Core Science Requirement Final Document Page 1 THE CORE SCIENCE REQUIREMENT and  

E-Print Network [OSTI]

Core Science Requirement ­ Final Document ­ Page 1 THE CORE SCIENCE REQUIREMENT and MENDEL SCIENCE EXPERIENCE COURSES Core requirement of 2 semesters of science with laboratory; requirement to be met by the end of the sophomore year Rationale Science literacy is an integral part of the intellectual

Lagalante, Anthony F.

308

Committee Role Required/ Optional CSM faculty status Department Advisor Required Full time Home Department  

E-Print Network [OSTI]

Committee Role Required/ Optional CSM faculty status Department Advisor Required Full time Home faculty status Department Advisor Required Full time Home Dept* or familiar with area of study Co-Advisor to specify on form Full time-cannot be advisor or co-advisor Committee Role Required/ Optional CSM faculty

309

Allocating Variability and Reserve Requirements (Presentation)  

SciTech Connect (OSTI)

This presentation describes how you could conceivably allocate variability and reserve requirements, including how to allocate aggregation benefits. Conclusions of this presentation are: (1) Aggregation provides benefits because individual requirements are not 100% correlated; (2) Method needed to allocate reduced requirement among participants; (3) Differences between allocation results are subtle - (a) Not immediately obvious which method is 'better'; (b) Many are numerically 'correct', they sum to the physical requirement; (c) Many are not 'fair', Results depend on sub-aggregation and/or the order individuals are included; and (4) Vector allocation method is simple and fair.

Kirby, B.; King, J.; Milligan, M.

2011-10-01T23:59:59.000Z

310

Personnel Security - DOE Directives, Delegations, and Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2.2 Admin Chg 1, Personnel Security by Mark Pekrul Functional areas: Administrative Change, Personnel Security, Safety and Security The order establishes requirements that will...

311

Personnel Security - DOE Directives, Delegations, and Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

72.2 Chg 1, Personnel Security by Mark Pekrul Functional areas: Personnel Security, Security, Human Capital The order establishes requirements that will enable DOE to operate a...

312

Transmission Reassignment Reporting Requirement - April 2, 2014  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

CommitteesTeams Customer Training Interconnection Notices Rates Standards of Conduct Tariff TF Web Based Training Transmission Reassignment Reporting Requirement This notice...

313

Facility Safety - DOE Directives, Delegations, and Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Change, Safety, The order establishes facility and programmatic safety requirements for nuclear and explosives safety design criteria, fire protection, criticality safety,...

314

Automotive Turbocharging: Industrial Requirements and Technology...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

performance will be difficult to achieve requires a proper understanding of the trade-offs and engine effects and impacts must be part of turbocharger development...

315

Federal / State Legislative & Regulatory Changes Required for...  

Energy Savers [EERE]

Issues Federal and State Blending Restrictions Action by ASTM NCWM to address higher ethanol blends Federal State Legislative & Regulatory Changes Required for Introduction of...

316

FEMINIST STUDIES MAJOR REQUIREMENTS Name _______________________________________ Email_____________________  

E-Print Network [OSTI]

of intended graduation ____________________ Feminist Studies students must complete 11 courses within year) FMST 195 (required for Thesis or Project) Indicate topic: 9/17/12 #12;

California at Santa Cruz, University of

317

Contact Form - DOE Directives, Delegations, and Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Contact Form by Diane Johnson Directives are the Department of Energy's Primary means of establishing policies, requirements, responsibilities, and procedures for Departmental...

318

Requirements Governing Water Quality Standards (West Virginia)  

Broader source: Energy.gov [DOE]

This rule establishes the requirements governing the discharge or deposit of sewage, industrial wastes and other wastes into waters and establishes water quality standards.

319

The Schedule - DOE Directives, Delegations, and Requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

funds are required. This chapter will briefly discuss some scheduling basics. g4301-1chp12.pdf -- PDF Document, 60 KB Writer: John Makepeace Subjects: Administration Management...

320

Supervisory Training Requirements | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Requirements The Office of Learning and Workforce Development has developed an inventory of training and developmental activities that will meet the supervisory training...

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

The Access Almanac: Solar Parking Requirements  

E-Print Network [OSTI]

these requirements. Solar panels in parking lots will startto install solar panels on their parking lots the option tosupport solar panels. Therefore, parking lots will generate

Shoup, Donald

2012-01-01T23:59:59.000Z

322

DOE Office of Science Exascale Requirements Reviews  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2020-2025 The three DOE Office of Advanced Scientific Computing (ASCR) High Performance Computing (HPC) Facilities are conducting a series of six Exascale Requirements...

323

Cooperating Agencies in Implementing the Procedural Requirements...  

Energy Savers [EERE]

of Federal and non-federal cooperating agencies in the preparation of analyses and documentation required by the National Environmental Policy Act (NEPA), and to ensure that...

324

Documentation Requirements for Pressurized Experiment Equipment  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Documentation Requirements for Pressurized Experiment Apparatus PSSC NOTE01 15-Jan-2013 When bringing a piece of apparatus to the APS for an experiment that will involve pressure,...

325

Analysis of Daylighting Requirements within ASHRAE Standard 90.1  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory (PNNL), under the Building Energy Codes Program (BECP) funded by U.S. Department of Energy (DOE), provides support to the ASHRAE/IES/IESNA Standard 90.1(Standard 90.1) Standing Standards Project Committee (SSPC 90.1) and its subcommittees. In an effort to provide the ASHRAE SSPC 90.1 with data that will improve the daylighting and fenestration requirements in the Standard, PNNL collaborated with Heschong Mahone Group (HMG), now part of TRC Solutions. Combining EnergyPlus, a whole-building energy simulation software developed by DOE, with Radiance, a highly accurate illumination modeling software (Ward 1994), the daylighting requirements within Standard 90.1 were analyzed in greater detail. The initial scope of the study was to evaluate the impact of the fraction of window area compared to exterior wall area (window-to-wall ratio (WWR)) on energy consumption when daylighting controls are implemented. This scope was expanded to study the impact of fenestration visible transmittance (VT), electric lighting controls and daylighted area on building energy consumption.

Athalye, Rahul A.; Xie, YuLong; Liu, Bing; Rosenberg, Michael I.

2013-08-01T23:59:59.000Z

326

Influence of initial size on higher cumulant ratios of net-proton number fluctuations  

E-Print Network [OSTI]

With the help of AMPT default model, we study the influence of initial size (centrality of collisions) on higher cumulant ratios of net-proton distributions. If the centrality is presented by impact parameter, there is a strong centrality dependent, in particular, in those peripheral collisions. This dependence is slightly reduced if the centrality is presented by number of participant, or charged multiplicity. However, the dynamical ratios are almost centrality independent. So the centrality dependence of dynamical ratios at RHIC beam energy scan are presented.

Fengbo Xiong; Lizhu Chen; Lin Li; Zhiming Li; Yuanfang Wu

2013-03-01T23:59:59.000Z

327

Measurement of cosmic muon charge ratio with the Large Volume Detector  

E-Print Network [OSTI]

The charge ratio ${k \\equiv \\mu^+/\\mu^-}$ for atmospheric muons has been measured using Large Volume Detector (LVD) in the INFN Gran Sasso National Laboratory, Italy (minimal depth is 3000 m w.e.). To reach this depth muons should have the energy at the sea level greater than 1.3 TeV. The muon charge ratio was defined using the number of the decays of stopping positive muons in the LVD iron structure and the decays of positive and negative muons in scintillator. We have obtained the value of the muon charge ratio ${k}$ ${= 1.26 \\pm 0.04(stat) \\pm 0.11(sys)}$.

N. Yu. Agafonova; M. Aglietta; P. Antonioli; G. Bari; R. Bertoni; V. V. Boyarkin; E. Bressan; G. Bruno; V. L. Dadykin; E. A. Dobrynina; R. I. Enikeev; W. Fulgione; P. Galeotti; M. Garbini; P. L. Ghia; P. Giusti; E. Kemp; A. S. Malgin; B. Miguez; A. Molinario; R. Persiani; I. A. Pless; V. G. Ryasny; O. G. Ryazhskaya; O. Saavedra; G. Sartorelli; M. Selvi; G. C. Trinchero; C. Vigorito; V. F. Yakushev; A. Zichichi

2015-02-14T23:59:59.000Z

328

Probing the symmetry energy with isospin ratio from nucleons to fragments  

E-Print Network [OSTI]

Within the framework of ImQMD05, we study several isospin sensitive observables, such as DR(n/p) ratios, isospin transport ratio (isospin diffusion), yield ratios for LCPs between the projectile region and mid-rapidity region for the reaction systems Ni+Ni, Zn+Zn, Sn+Sn at low-intermediate energies. Our results show that those observables are sensitive to the density dependence of symmetry energy, and also depend on the cluster formation mechanism. By comparing these calculations to the data, the information of the symmetry energy and reaction mechanism is obtained.

Zhang, Yingxun; Zhou, Chengshuang; Chen, Jixian; Colonna, M; Danielewicz, P; Tsang, M B

2012-01-01T23:59:59.000Z

329

Probing the symmetry energy with isospin ratio from nucleons to fragments  

E-Print Network [OSTI]

Within the framework of ImQMD05, we study several isospin sensitive observables, such as DR(n/p) ratios, isospin transport ratio (isospin diffusion), yield ratios for LCPs between the projectile region and mid-rapidity region for the reaction systems Ni+Ni, Zn+Zn, Sn+Sn at low-intermediate energies. Our results show that those observables are sensitive to the density dependence of symmetry energy, and also depend on the cluster formation mechanism. By comparing these calculations to the data, the information of the symmetry energy and reaction mechanism is obtained.

Yingxun Zhang; Zhuxia Li; Chengshuang Zhou; Jixian Chen; M. Colonna; P. Danielewicz; M. B. Tsang

2012-08-31T23:59:59.000Z

330

Normal Flux through ATP-Citrate Lyase or Fatty Acid Synthase Is Not Required for Glucose-stimulated  

E-Print Network [OSTI]

Normal Flux through ATP-Citrate Lyase or Fatty Acid Synthase Is Not Required for Glucose (GSIS). Key enzymes involved in synthesis of fatty acids from glu- cose include ATP-citrate lyase (CL appears to be a rise in the ATP:ADP ratio, which stimulates closure of ATP-sensitive K (KATP) channels

Doyle, Martin

331

Safeguards Verification Measurements using Laser Ablation, Absorbance Ratio Spectrometry in Gaseous Centrifuge Enrichment Plants  

SciTech Connect (OSTI)

Laser Ablation Absorbance Ratio Spectrometry (LAARS) is a new verification measurement technology under development at the US Department of Energy’s (DOE) Pacific Northwest National Laboratory (PNNL). LAARS uses three lasers to ablate and then measure the relative isotopic abundance of uranium compounds. An ablation laser is tightly focused on uranium-bearing solids producing a small plume containing uranium atoms. Two collinear wavelength-tuned spectrometry lasers transit through the plume and the absorbance of U-235 and U-238 isotopes are measured to determine U-235 enrichment. The measurement has high relative precision and detection limits approaching the femtogram range for uranium. It is independent of chemical form and degree of dilution with nuisance dust and other materials. High speed sample scanning and pinpoint characterization allow measurements on millions of particles/hour to detect and analyze the enrichment of trace uranium in samples. The spectrometer is assembled using commercially available components at comparatively low cost, and features a compact and low power design. Future designs can be engineered for reliable, autonomous deployment within an industrial plant environment. Two specific applications of the spectrometer are under development: 1) automated unattended aerosol sampling and analysis and 2) on-site small sample destructive assay measurement. The two applications propose game-changing technological advances in gaseous centrifuge enrichment plant (GCEP) safeguards verification. The aerosol measurement instrument, LAARS-environmental sampling (ES), collects aerosol particles from the plant environment in a purpose-built rotating drum impactor and then uses LAARS-ES to quickly scan the surface of the impactor to measure the enrichments of the captured particles. The current approach to plant misuse detection involves swipe sampling and offsite analysis. Though this approach is very robust it generally requires several months to obtain results from a given sample collection. The destructive assay instrument, LAARS-destructive assay (DA), uses a simple purpose-built fixture with a sampling planchet to collect adsorbed UF6 gas from a cylinder valve or from a process line tap or pigtail. A portable LAARS-DA instrument scans the microgram quantity of uranium collected on the planchet and the assay of the uranium is measured to ~0.15% relative precision. Currently, destructive assay samples for bias defect measurements are collected in small sample cylinders for offsite mass spectrometry measurement.

Anheier, Norman C.; Cannon, Bret D.; Qiao, Hong (Amy) [Amy; Phillips, Jon R.

2012-07-01T23:59:59.000Z

332

EARTH SCIENCES Lower-Division Requirements  

E-Print Network [OSTI]

2012-2013 EARTH SCIENCES Lower-Division Requirements Math 20A_____ 20B_____ 20C_____ 20D (BILD 3) _____ SIO 50* _____ Group A: Earth Science Upper-Division Core Requirements (all courses _____ Introduction to Geophysics SIO 104 _____ Paleobiology and History of Life* Group B: Upper-Division Earth

Constable, Steve

333

Data Modelling and Database Requirements Geographical Data  

E-Print Network [OSTI]

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Brief history 15 Definitions 15 The three-schema architecture 16 Features/services of databaseData Modelling and Database Requirements for Geographical Data HĂĄvard Tveite January, 1997 #12-Model Substitution, and adds new symbology that is relevant for geographical data. Database system requirements

334

Contracting Requirements and Why They Matter  

E-Print Network [OSTI]

Contracting Requirements and Why They Matter Presented by David E. Broome, Jr., General Counsel Amy's legally binding #12;Getting It Wrong · Case: Your unit contracts with Fun Corp (FC) to provide Student Fun Fair on campus. Contract requires that University indemnify FC for injuries/damage/liability arising

Howitt, Ivan

335

Modelling the Contribution Structure Underlying Requirements  

E-Print Network [OSTI]

Modelling the Contribution Structure Underlying Requirements Orlena C. Z. Gotel & Anthony C, and hence trace, those who have contributed in the production and refinement of the requirements illustrate the relationship between RT and software quality. In Section 3, we show the restricted impact

Gotel, Olly

336

BIOLOGY MINOR WORKSHEET REQUIRED BIOLOGY COURSES  

E-Print Network [OSTI]

BIOLOGY MINOR WORKSHEET 2008-2013 REQUIRED BIOLOGY COURSES: BIOL 115N General Biology I 4 ________ BIOL 116N General Biology II 4 ________ Upon completion of BIOL 115N and BIOL 116N, the Biology Minor requires the successful completion of a minimum of 12 credit-hours of Biology coursework at the advanced

337

What is required for a Philosophy Major?  

E-Print Network [OSTI]

PHILOSOPHY What is required for a Philosophy Major? at Northern Kentucky University For students who entered the University in 2011. The major in philosophy requires a total of at least thirty (30/PHI 280 Classical and Medieval Philosophy (fall) · PHI 355 Socrates and Plato (spring 2014) History II

Acosta, Charles A.

338

What is required for a Philosophy Major?  

E-Print Network [OSTI]

PHILOSOPHY What is required for a Philosophy Major? at Northern Kentucky University For students who entered the University before 2011. The major in philosophy requires a total of at least thirty or PHI 265 Logic (every semester) · PHI 180 or PHI 280 Classical and Medieval Philosophy (fall) · PHI 185

Acosta, Charles A.

339

What is required for a Philosophy Major?  

E-Print Network [OSTI]

PHILOSOPHY What is required for a Philosophy Major? at Northern Kentucky University For students who entered the University in 2012. The major in philosophy requires a total of at least thirty (30) · PHI 280 Classical and Medieval Philosophy (offered fall) · PHI 285 Modern and Contemporary Philosophy

Acosta, Charles A.

340

What is required for a Philosophy Major?  

E-Print Network [OSTI]

PHILOSOPHY What is required for a Philosophy Major? at Northern Kentucky University For students who entered the University in (or after) 2013. The major in philosophy requires a total of at least (every semester) · PHI 280 Classical and Medieval Philosophy (offered fall) · PHI 285 Modern

Acosta, Charles A.

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Requirements, possible alternatives & international NEUTRON SCATTERING  

E-Print Network [OSTI]

Requirements, possible alternatives & international NEUTRON SCATTERING DETECTORS for Rob Dimeo NIST neutron scattering instruments are the most demanding require background low #12;#12;The Helium-3 Supply Crisis ­ Alternative Techniques to Helium-3 based Detectors for Neutron Scattering Applications

Dimeo, Robert M.

342

MONITORED GEOLOGIC REPOSITORY SYSTEMS REQUIREMENTS DOCUMENT  

SciTech Connect (OSTI)

This document establishes the Monitored Geologic Repository system requirements for the U.S. Department of Energy's (DOE's) Civilian Radioactive Waste Management System (CRWMS). These requirements are based on the ''Civilian Radioactive Waste Management System Requirements Document'' (CRD) (DOE 2004a). The ''Monitored Geologic Repository Systems Requirements Document'' (MGR-RD) is developed in accordance with LP-3.3 SQ-OCRWM, ''Preparation, Review, and Approval of Office of Repository Development Requirements Document''. As illustrated in Figure 1, the MGR-RD forms part of the DOE Office of Civilian Radioactive Waste Management Technical Requirements Baseline. Revision 0 of this document identifies requirements for the current phase of repository design that is focused on developing a preliminary design for the repository and will be included in the license application submitted to the U.S. Nuclear Regulatory Commission for a repository at Yucca Mountain in support of receiving a construction authorization and subsequent operating license. As additional information becomes available, more detailed requirements will be identified in subsequent revisions to this document.

V. Trebules

2006-06-02T23:59:59.000Z

343

Ongoing Software Development without Classical Requirements  

E-Print Network [OSTI]

systems without overt requirements artifacts or processes, contrary to expectations resulting from are evolved and sustained in this way yet provide quality and rich functional capabilities to users In 2002 one of us (Scacchi) published a study of require- ments practices and artifacts in four open

Scacchi, Walt

344

Conduct of Operations Requirements for DOE Facilities  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

"To provide requirements and guidelines for Departmental Elements, including the National Nuclear Security Administration (NNSA), to use in developing directives, plans, and/or procedures relating to the conduct of operations at DOE facilities. The implementation of these requirements and guidelines should result in improved quality and uniformity of operations. Change 2, 10-23-2001. Canceled by DOE O 422.1.

1990-07-09T23:59:59.000Z

345

E-Print Network 3.0 - atomic mass ratios Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

23 PHYSICAL AND ELECTRICAL PROPERTIES OF In2O3 : Sn FILMS. APPLICATIONS TO OPTOELECTRONIC DEVICES Summary: is reported on the figure 1 as function of the atomic ratio SnIn in...

346

On relating physical limits to the carbon: nitrogen ratio of unicellular algae and benthic plants  

E-Print Network [OSTI]

Abstract Unicellular algae such as phytoplankton and benthic microalgae have an elemental ratio of carbon) by photosynthetic benthic communities. Unicellular algae and benthic plants use light energy to fix carbon (C

Baird, Mark

347

Stiffness-Mass Ratios Method for a baseline determination and damage assessment of a benchmark structure  

E-Print Network [OSTI]

Superior de Ingenieria y Arquitectura Chair of Advisory Committee: Dr. Luciana Barroso A new method based on ratios between stiffness and mass values from the eigenvalue problem is introduced and applied to the benchmark suucture to obtain baseline modal...

Rocha, Ramses Rodriguez

2002-01-01T23:59:59.000Z

348

STATISTICAL PROPERTIES OF STFT RATIOS FOR TWO CHANNEL SYSTEMS AND APPLICATIONS TO BLIND SOURCE SEPARATION  

E-Print Network [OSTI]

SEPARATION Radu Balan and Justinian Rosca frvbalan,roscag@scr.siemens.com Siemens Corporate Research Princeton, NJ 08540 ABSTRACT The ratio of the short time Fourier transform (STFT) coe cients of signals

Maryland at College Park, University of

349

Replication of Two-Photon-Polymerized Structures with Extremely High Aspect Ratios and Large Overhangs  

E-Print Network [OSTI]

Replication of Two-Photon-Polymerized Structures with Extremely High Aspect Ratios and Large created with an acrylic polymer using multiphoton absorption polymerization. Microtransfer molding be expected from the diffraction limit. Multiphoton absorption polymerization (MAP) with 800-nm light

Teich, Malvin C.

350

Determination of the deuterium-tritium branching ratio based on inertial confinement fusion implosions  

E-Print Network [OSTI]

The deuterium-tritium (D-T) ?-to-neutron branching ratio [[superscript 3]H(d,?)[superscript 5]He/[superscript 3]H(d,n)[superscript 4]He] was determined under inertial confinement fusion (ICF) conditions, where the ...

Rosenberg, Michael Jonathan

351

E-Print Network 3.0 - actinide isotope ratios Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

boost... produced in the r-process. In all cases, the abundance ratios among the rare earth elements and the third r... to successfully reproduce both the stable solar system...

352

E-Print Network 3.0 - actinide isotopic ratio Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

boost... produced in the r-process. In all cases, the abundance ratios among the rare earth elements and the third r... to successfully reproduce both the stable solar system...

353

E-Print Network 3.0 - aspect ratio micro-electro-magnetic-mechanical...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

micro-electro-magnetic-mechanical Search Powered by Explorit Topic List Advanced Search Sample search results for: aspect ratio micro-electro-magnetic-mechanical Page: << < 1 2 3 4...

354

Design of passive decay heat removal system for the lead cooled flexible conversion ratio fast reactor  

E-Print Network [OSTI]

The lead-cooled flexible conversion ratio fast reactor shows many benefits over other fast-reactor designs; however, the higher power rating and denser primary coolant present difficulties for the design of a passive decay ...

Whitman, Joshua (Joshua J.)

2007-01-01T23:59:59.000Z

355

E-Print Network 3.0 - aspect ratio ion Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ion temperature ranges... from 2.6 to 9.3. The percent of reflected ions increases with sonic Mach number and the ratio... energy, is a crucial and not totally understood aspect of...

356

Thermal hydraulic design and analysis of a large lead-cooled reactor with flexible conversion ratio  

E-Print Network [OSTI]

This thesis contributes to the Flexible Conversion Ratio Fast Reactor Systems Evaluation Project, a part of the Nuclear Cycle Technology and Policy Program funded by the Department of Energy through the Nuclear Energy ...

Nikiforova, Anna S., S.M. Massachusetts Institute of Technology

2008-01-01T23:59:59.000Z

357

E-Print Network 3.0 - aspect ratio x-ray Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

0953-89841825S17 Summary: the power ratio of beam splitting. With centralized remote control, heating and x-ray diffraction... for in situ x-ray diffraction at high...

358

Observable signatures of extreme mass-ratio inspiral black hole binaries embedded in thin accretion disks  

E-Print Network [OSTI]

We examine the electromagnetic and gravitational wave (GW) signatures of stellar-mass compact objects (COs) spiraling into a supermassive black hole (extreme mass-ratio inspirals), embedded in a thin, radiation-pressure ...

Kocsis, Bence

359

E-Print Network 3.0 - anti-hcv signal-to-cutoff ratio Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

noise ratio; ALT... 13 and P. Nakane's method 14, respectively. Cut-off values in RIA and ELISA were 2.1 (SN ... Source: Hammock, Bruce D. - Department of Entomology,...

360

Fabrication and characterization of large arrays of mesoscopic gold rings on large-aspect-ratio cantilevers  

E-Print Network [OSTI]

-ratio cantilevers D. Q. Ngo, I. Petkovi, A. Lollo, M. A. Castellanos-Beltran, and J. G. E. Harris Citation: Review-aspect-ratio cantilevers D. Q. Ngo,1 I. Petkovi´c,1,a) A. Lollo,1 M. A. Castellanos-Beltran,2 and J. G. E. Harris1,3 1 in nonlinear mesoscopic rings J. Appl. Phys. 109, 07E139 (2011); 10.1063/1.3562257 High sensitivity cantilevers

Harris, Jack

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Biological requirements of sitatunga (Tragelaphus spekei) in captivity  

E-Print Network [OSTI]

a study on thermoregulatory beha. vior ot' sitabunga at the Oklahoma. City Zoo from June-August 1975, and. of two field studies at Camp Cooley Ranch, Franklin, Ro'bertson County, Texas from October 1975-February 1976 and fram Nay-July 1976... Greaves. I am since ely grateful to them for their interest in and support o this study. I also wish to thank Oklahoma City Zoo for e, llo!!ing me to observe their sitatunga and for providing the materials and permission for the study...

Densmore, Mary Lee Adam

2012-06-07T23:59:59.000Z

362

Quality Assurance Source Requirements Traceability Database  

SciTech Connect (OSTI)

At the Yucca Mountain Project the Project Requirements Processing System assists in the management of relationships between regulatory and national/industry standards source criteria, and Quality Assurance Requirements and Description document (DOE/R W-0333P) requirements to create compliance matrices representing respective relationships. The matrices are submitted to the U.S. Nuclear Regulatory Commission to assist in the commission's review, interpretation, and concurrence with the Yucca Mountain Project QA program document. The tool is highly customized to meet the needs of the Office of Civilian Radioactive Waste Management Office of Quality Assurance.

MURTHY, R., NAYDENOVA, A., DEKLEVER, R., BOONE, A.

2006-01-30T23:59:59.000Z

363

Data requirements and acquisition for reservoir characterization  

SciTech Connect (OSTI)

This report outlines the types of data, data sources and measurement tools required for effective reservoir characterization, the data required for specific enhanced oil recovery (EOR) processes, and a discussion on the determination of the optimum data density for reservoir characterization and reservoir modeling. The two basic sources of data for reservoir characterization are data from the specific reservoir and data from analog reservoirs, outcrops, and modern environments. Reservoir data can be divided into three broad categories: (1) rock properties (the container) and (2) fluid properties (the contents) and (3)interaction between reservoir rock and fluid. Both static and dynamic measurements are required.

Jackson, S.; Chang, Ming Ming; Tham, Min.

1993-03-01T23:59:59.000Z

364

Energy Efficiency Requirements for State Government  

Broader source: Energy.gov [DOE]

Public Act No. 06-187, enacted in 2006, required the Connecticut Office of Policy and Management, in consultation with several other state agencies, to adopt building construction regulations for...

365

Development Requirements for Advanced Industrial Heat Pumps  

E-Print Network [OSTI]

DOE is attempting to advance the use of heat pumps to save energy in industrial processes. The approach has emphasized developing better heat pump technology and transferring that technology to the private sector. DOE requires that heat pump...

Chappell, R. N.; Priebe, S. J.; Bliem, C. J.; Mills, J. I.

366

NERSC/DOE BER Requirements Workshop Presentations  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Christopher Kerr | Global Cloud Resolving Model May 7, 2009 | Author(s): David Randall | IO Requirements for a Global Cloud Resolving Model May 7, 2009 | Author(s): Bruce...

367

Microsoft Word - Net Requirements Transparency Process_09302014  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

4 As part of its Net Requirements Transparency process, on July 31, 2014 BPA published the SliceBlock and Block customers' FY2013 and forecast FY2015 Total Retail Load (TRL) and...

368

Cook County- LEED Requirements for County Buildings  

Broader source: Energy.gov [DOE]

In 2002, Cook County enacted an ordinance requiring all new county buildings and all retrofitted county buildings to be built to LEED standards. Specifically, all newly constructed buildings and...

369

Harris County- LEED Requirement for County Buildings  

Broader source: Energy.gov [DOE]

In 2009, the Harris County Commissioners Court approved a measure that requires all new county buildings to meet minimum LEED certification standards. Buildings do not have to register with the the...

370

Microsoft Word - Directives Requiring Additional Documentation...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Chg 2 Radiation Protection of the Public and the Environment 24 DOE O 5480.19, Chg 2 Conduct of Operations Requirements for DOE Facilities 25 DOE O 5480.20A, Chg 1 Personnel...

371

Energy Efficiency and Conservation Requirements for Utilities  

Broader source: Energy.gov [DOE]

In October 2008 Pennsylvania adopted Act 129, creating energy efficiency and conservation requirements for the state’s investor owned utilities with at least 100,000 customers. With this limitation...

372

San Bernardino County- Green Building Requirement  

Broader source: Energy.gov [DOE]

In August 2007, the San Bernardino County Board of Supervisors approved a policy requiring that all new county buildings and major renovations be built to LEED Silver standards. The decision was...

373

CERTIFICATION REQUIREMENTS IN THE CALIFORNIA ENERGY COMMISSION'S  

E-Print Network [OSTI]

CALIFORNIA ENERGY COMMISSION CERTIFICATION REQUIREMENTS IN THE CALIFORNIA ENERGY COMMISSION'S APPLIANCE REGULATIONS: A Summary Guide, Including Forms for Manufacturers, Trade Associations, and Other ...............................................................................................................1 III. Where to Find the Energy Commission Appliance Efficiency Regulations .....2 IV. Where to Get

374

Requirements & Status for Volume Fuel Cell Manufacturing  

E-Print Network [OSTI]

Requirements & Status for Volume Fuel Cell Manufacturing DOE Hydrogen Program, Washington, DC July ­Eliminate components, parts and process steps ­Standardize core components across products ­Standardize non-core

375

Technical requirements specification for tank waste retrieval  

SciTech Connect (OSTI)

This document provides the technical requirements specification for the retrieval of waste from the underground storage tanks at the Hanford Site. All activities covered by this scope are conducted in support of the Tank Waste Remediation System (TWRS) mission.

Lamberd, D.L.

1996-09-26T23:59:59.000Z

376

Gas Test Loop Functional and Technical Requirements  

SciTech Connect (OSTI)

This document defines the technical and functional requirements for a gas test loop (GTL) to be constructed for the purpose of providing a high intensity fast-flux irradiation environment for developers of advanced concept nuclear reactors. This capability is needed to meet fuels and materials testing requirements of the designers of Generation IV (GEN IV) reactors and other programs within the purview of the Advanced Fuel Cycle Initiative (AFCI). Space nuclear power development programs may also benefit by the services the GTL will offer. The overall GTL technical objective is to provide developers with the means for investigating and qualifying fuels and materials needed for advanced reactor concepts. The testing environment includes a fast-flux neutron spectrum of sufficient intensity to perform accelerated irradiation testing. Appropriate irradiation temperature, gaseous environment, test volume, diagnostics, and access and handling features are also needed. This document serves to identify those requirements as well as generic requirements applicable to any system of this kind.

Glen R. Longhurst; Soli T. Khericha; James L. Jones

2004-09-01T23:59:59.000Z

377

Metals Production Requirements for Rapid Photovoltaics Deployment  

E-Print Network [OSTI]

If global photovoltaics (PV) deployment grows rapidly, the required input materials need to be supplied at an increasing rate. In this paper, we quantify the effect of PV deployment levels on the scale of metals production. For example, we find that if cadmium telluride {copper indium gallium diselenide} PV accounts for more than 3% {10%} of electricity generation by 2030, the required growth rates for the production of indium and tellurium would exceed historically-observed production growth rates for a large set of metals. In contrast, even if crystalline silicon PV supplies all electricity in 2030, the required silicon production growth rate would fall within the historical range. More generally, this paper highlights possible constraints to the rate of scaling up metals production for some PV technologies, and outlines an approach to assessing projected metals growth requirements against an ensemble of past growth rates from across the metals production sector. The framework developed in this paper may be...

Kavlak, Goksin; Jaffe, Robert L; Trancik, Jessika E

2015-01-01T23:59:59.000Z

378

Mathematics Required Courses Cr. Semester Gr.  

E-Print Network [OSTI]

Discrete Mathematics 3 Math 321 or Math 421 Applied Stat. Methods Stat. Theory I 3 Elective Course* Cr Student: ID# Catalog: Advisor Upper Division Courses* Required Courses Cr. Semester Gr. *20 cr

Delene, David J.

379

Cold vacuum drying facility design requirements  

SciTech Connect (OSTI)

This release of the Design Requirements Document is a complete restructuring and rewrite to the document previously prepared and released for project W-441 to record the design basis for the design of the Cold Vacuum Drying Facility.

Irwin, J.J.

1997-09-24T23:59:59.000Z

380

Smart Grid Information Security (IS) Functional Requirement  

E-Print Network [OSTI]

It is important to implement safe smart grid environment to enhance people's lives and livelihoods. This paper provides information on smart grid IS functional requirement by illustrating some discussion points to the sixteen identified requirements. This paper introduces the smart grid potential hazards that can be referred as a triggering factor to improve the system and security of the entire grid. The background of smart information infrastructure and the needs for smart grid IS is described with the adoption of hermeneutic circle as methodology. Grid information technology and security-s session discusses that grid provides the chance of a simple and transparent access to different information sources. In addition, the transformation between traditional versus smart grid networking trend and the IS importance on the communication field reflects the criticality of grid IS functional requirement identification is introduces. The smart grid IS functional requirements described in this paper are general and ...

Ling, Amy Poh Ai

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Tucson- Solar Design Requirement for Homes  

Broader source: Energy.gov [DOE]

Tucson adopted an ordinance in June 2008 that requires all new single-family homes and duplexes in Tucson to be "solar-ready." The ordinance was developed by a stakeholder group which included...

382

ICE Pulse Oximeter Smart Alarm App Requirements  

E-Print Network [OSTI]

ICE Pulse Oximeter Smart Alarm App Requirements 6 March 2012 Revision 0 for an Integrated Clinical Environment (ICE) pulse oximetry monitoring app that provides.2 References [Purpose: List all ICE standards, and other standards and references

Huth, Michael

383

Requirements and Submission Process for Qualified Software  

Broader source: Energy.gov [DOE]

This document provides a complete list of requirements and submission details to have software qualified for calculating energy and power cost savings for commercial building tax deductions under tax code Section 179D.

384

ALS Beamline Design Requirements - Revision 1  

E-Print Network [OSTI]

6. Equipment protection system (EPS) qualification, specificcompleted. Equipment Protection System (EPS) Qualification:Qualification: The beamline has been checked for compliance with all relevant mechanical requirements for personnel safety and equipment

Heimann, Phil

2010-01-01T23:59:59.000Z

385

Siting Requirements for Anaerobic Lagoons (Iowa)  

Broader source: Energy.gov [DOE]

This statute provides regulations for required distances between anaerobic lagoons and residences or public use areas. The separation distances may be waived or reduced with the agreement of the...

386

Functional requirements to shape generation in CAD  

E-Print Network [OSTI]

An outstanding issue in computer-aided design (CAD) is the creation of geometric shapes from the description of functional requirements (FRs). This thesis presents a method that can generate assembled shapes from the given ...

Chung, Jinpyung, 1967-

2003-01-01T23:59:59.000Z

387

Computer Requirement ALL STUDENTS IN THE SCHOOL OF ARCHITECTURE ARE REQUIRED TO PROVIDE THEIR OWN  

E-Print Network [OSTI]

Computer Requirement ALL STUDENTS IN THE SCHOOL OF ARCHITECTURE ARE REQUIRED TO PROVIDE THEIR OWN PERSONAL LAPTOP COMPUTER. · All ENTERING GRADUATE STUDENTS in the School of Architecture are required to bring a computer. · All SECOND-YEAR UNDERGRADUATE STUDENTS accepted into the School of Architecture

Maxwell, Bruce D.

388

Chapter XVIII An e'Learn ing Portal to Teach  

E-Print Network [OSTI]

. Grunwald University ofFlorida, USA B. Hoover University ~/Florida, USA G.L. Bruland University ofHawai 'i

Grunwald, Sabine

389

General Motors Perspective Dr.-Ing.Wolfgang Oelerich  

E-Print Network [OSTI]

carbon fiber composite vessels Range: 320 km Over 2.5 million km (1.5 million miles) More than 19 measures to increase effective composite strength: Materials: fiber strength variability, translation Tank cost sources: Carbon fiber 40%, other 60% Hydrogen storage system costs are linear in Hydrogen

390

, ZHOU Q ing2jun , Chen R ay T.  

E-Print Network [OSTI]

le 2ring m ic roresona tor as a prac tica l optica l filte r. The influence of optica l loss is a lso ana lyzed. Low optica l loss w ill cause sha rp a ttenua tion of the filte ring response and seve re optica l loss a lso can w iden the bandw id th and inc rease the bandw id th ra tio. Key words: integ ra

Chen, Ray

391

Leadership in Challenging Times InspIrIng greatness  

E-Print Network [OSTI]

Christenson Arnold Fishman Sandra Kenney TRAFFIC MANAGER Karen Duarte PROJECT COORDINATORS Leslie Bucci '77 depression, allstate was launched, W.K. Kellogg doubled his advertising spending,and p&g became a marketing

Blais, Brian

392

The physical function-ing of a city sometimes  

E-Print Network [OSTI]

time and space scales ­ hence they are important and must be incorporated in weather, air pollution combustion (C) from vehicles, industry and buildings rather than the biological processes of photosynthesis of energy and water can be affected dramatically by the specific construction mate- rials, land cover

393

Center for Biotechnology Prof. Dr.-Ing. Gerhard Sagerer  

E-Print Network [OSTI]

developed innovative new courses of study which attract gifted students from all over the world. The CeBiTec not only shines in the international world of science; it also has important cooperation partners in many such as the application of biofuels, and for new microscope techniques, to name just a few. The CeBiTec has continually

Moeller, Ralf

394

Investigador Departamento Nazario Ramrez, PhD Ing. Industrial  

E-Print Network [OSTI]

Setup, maintain, analyze data from energy balance stations UPR Agricultural Experiment Station at Juana of atmospheric patterns on water quality Atmospheric measurements of air pollution in Mayagüuez city Julio M

Gilbes, Fernando

395

STEM-ing the Tide | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector GeneralDepartment of Energy fromCommentsRevolving STATEMENT OF MELANIE KENDERDINE

396

Sandia National Laboratories: concentrates sunlight onto a fall-ing  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1development Sandia, NREL Releasehy-drogen poweracquisitionscience Caterpillar,curtain

397

12 MOMENTUM SPrINg we can improve such processes."  

E-Print Network [OSTI]

down cellulose into starch and then into ethanol. And it's this processing that is the focus of animal or fiber into glucose and, ultimately, ethanol must be able to survive the high flow-through rate involved- ate fuel. There's even one microor- ganism in the rumen that converts fiber directly into ethanol

Hamza, Iqbal

398

Computational pproach to the Statistical echanics of rotein ol ing  

E-Print Network [OSTI]

, 1995 bstract A statistical mechanical approach to the protein folding problem is devel- oped based of the statistical mechanics of protein folding by com- puter simulation. Even though we have taken advantage of new". A theoretical understanding of the protein-folding problem, i.e. how proteins fold to their native states from

Istrail, Sorin

399

Grand Gulf-prioritization of regulatory requirements  

SciTech Connect (OSTI)

As cost pressures mount, Grand Gulf nuclear station (GGNS) is relying increasingly on various prioritization approaches to implement, modify, eliminate, or defer regulatory requirements. Regulatory requirements can be prioritized through the use of three measures: (1) safety (or risk) significance; (2) cost; and (3) public policy (or political) significance. This paper summarizes GGNS' efforts to implement solutions to regulatory issues using these three prioritization schemes to preserve a balance between cost and safety benefit.

Meisner, M.J. (Entergy Operations Inc., Port Gibson, MS (United States))

1993-01-01T23:59:59.000Z

400

Hanford analytical services quality assurance requirements documents  

SciTech Connect (OSTI)

Hanford Analytical Services Quality Assurance Requirements Document (HASQARD) is issued by the Analytical Services, Program of the Waste Management Division, US Department of Energy (US DOE), Richland Operations Office (DOE-RL). The HASQARD establishes quality requirements in response to DOE Order 5700.6C (DOE 1991b). The HASQARD is designed to meet the needs of DOE-RL for maintaining a consistent level of quality for sampling and field and laboratory analytical services provided by contractor and commercial field and laboratory analytical operations. The HASQARD serves as the quality basis for all sampling and field/laboratory analytical services provided to DOE-RL through the Analytical Services Program of the Waste Management Division in support of Hanford Site environmental cleanup efforts. This includes work performed by contractor and commercial laboratories and covers radiological and nonradiological analyses. The HASQARD applies to field sampling, field analysis, and research and development activities that support work conducted under the Hanford Federal Facility Agreement and Consent Order Tri-Party Agreement and regulatory permit applications and applicable permit requirements described in subsections of this volume. The HASQARD applies to work done to support process chemistry analysis (e.g., ongoing site waste treatment and characterization operations) and research and development projects related to Hanford Site environmental cleanup activities. This ensures a uniform quality umbrella to analytical site activities predicated on the concepts contained in the HASQARD. Using HASQARD will ensure data of known quality and technical defensibility of the methods used to obtain that data. The HASQARD is made up of four volumes: Volume 1, Administrative Requirements; Volume 2, Sampling Technical Requirements; Volume 3, Field Analytical Technical Requirements; and Volume 4, Laboratory Technical Requirements. Volume 1 describes the administrative requirements applicable to each of the other three volumes and is intended to be used in conjunction with the technical volumes.

Hyatt, J.E.

1997-09-25T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Hamiltonian gadgets with reduced resource requirements  

E-Print Network [OSTI]

Application of the adiabatic model of quantum computation requires efficient encoding of the solution to computational problems into the lowest eigenstate of a Hamiltonian that supports universal adiabatic quantum computation. Experimental systems are typically limited to restricted forms of 2-body interactions. Therefore, universal adiabatic quantum computation requires a method for approximating quantum many-body Hamiltonians up to arbitrary spectral error using at most 2-body interactions. Hamiltonian gadgets, introduced around a decade ago, offer the only current means to address this requirement. Although the applications of Hamiltonian gadgets have steadily grown since their introduction, little progress has been made in overcoming the limitations of the gadgets themselves. In this experimentally motivated theoretical study, we introduce several gadgets which require significantly more realistic control parameters than similar gadgets in the literature. We employ analytical techniques which result in a reduction of the resource scaling as a function of spectral error for the commonly used subdivision, 3- to 2-body and $k$-body gadgets. Accordingly, our improvements reduce the resource requirements of all proofs and experimental proposals making use of these common gadgets. Next, we numerically optimize these new gadgets to illustrate the tightness of our analytical bounds. Finally, we introduce a new gadget that simulates a $YY$ interaction term using Hamiltonians containing only $\\{X,Z,XX,ZZ\\}$ terms. Apart from possible implications in a theoretical context, this work could also be useful for a first experimental implementation of these key building blocks by requiring less control precision without introducing extra ancillary qubits.

Yudong Cao; Ryan Babbush; Jacob Biamonte; Sabre Kais

2015-01-20T23:59:59.000Z

402

Estimation of (n,f) Cross-Sections by Measuring Reaction Probability Ratios  

SciTech Connect (OSTI)

Neutron-induced reaction cross-sections on unstable nuclei are inherently difficult to measure due to target activity and the low intensity of neutron beams. In an alternative approach, named the 'surrogate' technique, one measures the decay probability of the same compound nucleus produced using a stable beam on a stable target to estimate the neutron-induced reaction cross-section. As an extension of the surrogate method, in this paper they introduce a new technique of measuring the fission probabilities of two different compound nuclei as a ratio, which has the advantage of removing most of the systematic uncertainties. This method was benchmarked in this report by measuring the probability of deuteron-induced fission events in coincidence with protons, and forming the ratio P({sup 236}U(d,pf))/P({sup 238}U(d,pf)), which serves as a surrogate for the known cross-section ratio of {sup 236}U(n,f)/{sup 238}U(n,f). IN addition, the P({sup 238}U(d,d{prime}f))/P({sup 236}U(d,d{prime}f)) ratio as a surrogate for the {sup 237}U(n,f)/{sup 235}U(n,f) cross-section ratio was measured for the first time in an unprecedented range of excitation energies.

Plettner, C; Ai, H; Beausang, C W; Bernstein, L A; Ahle, L; Amro, H; Babilon, M; Burke, J T; Caggiano, J A; Casten, R F; Church, J A; Cooper, J R; Crider, B; Gurdal, G; Heinz, A; McCutchan, E A; Moody, K; Punyon, J A; Qian, J; Ressler, J J; Schiller, A; Williams, E; Younes, W

2005-04-21T23:59:59.000Z

403

Chiral effective theory predictions for deuteron form factor ratios at low Q^2  

E-Print Network [OSTI]

We use chiral effective theory to predict the deuteron form factor ratio G_C/G_Q as well as ratios of deuteron to nucleon form factors. These ratios are calculated to next-to-next-to-leading order. At this order the chiral expansion for the NN isoscalar charge operator (including consistently calculated 1/M corrections) is a parameter-free prediction of the effective theory. Use of this operator in conjunction with NLO and NNLO chiral effective theory wave functions produces results that are consistent with extant experimental data for Q^2 theoretical result and the experimental value. This motivates the renormalization of G_Q via a two-nucleon operator that couples to quadrupole photons. After that renormalization we obtain a robust prediction for the shape of G_C/G_Q at Q^2 < 0.3 GeV^2. This allows us to make precise, model-independent predictions for the values of this ratio that will be measured at the lower end of the kinematic range explored at BLAST. We also present results for the ratio G_C/G_M.

Daniel R. Phillips

2006-08-13T23:59:59.000Z

404

Influence of neutron-skin thickness on $?^{-}/?^{+}$ ratio in Pb+Pb collisions  

E-Print Network [OSTI]

Within an isospin- and momentum-dependent transport model IBUU11 using as an input nucleon density profiles from Hartree-Fock calculations based on a modified Skyrme-like (MSL) model, we study the influence of the uncertainty of the neutron skin thickness on the $\\pi^{-}/\\pi^{+}$ ratio in both central and peripheral Pb+Pb collisions at beam energies of 400 MeV/nucleon and 1000 MeV/nucleon. Within the current experimental uncertainty range of neutron skin in $^{208}$Pb, while the neutron skin effect on the \\rpi ratio is negligible in central reactions at both energies, it increases gradually with increasing impact parameter and becomes comparable with or even larger than the symmetry energy effect in peripheral collisions especially at 400 MeV/nucleon. Moreover, we found that while the \\rpi ratio is larger with a softer \\esym in central collisions, above certain impact parameters depending on the size of the neutron skin, a stiffer \\esym can lead to a larger \\rpi ratio as most of the pions are produced at densities below the saturation density in these peripheral reactions. Thus, a clear impact parameter selection is important to extract reliable information about the \\esym at suprasaturation densities (size of neutron skin) from the $\\pi^-/\\pi^+$ ratio in central (peripheral) heavy-ion collisions.

Gao-Feng Wei; Bao-An Li; Jun Xu; Lie-Wen Chen

2015-01-21T23:59:59.000Z

405

Large Scale Computing and Storage Requirements for Nuclear Physics  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Science at NERSC HPC Requirements Reviews Requirements for Science: Target 2014 Nuclear Physics (NP) Large Scale Computing and Storage Requirements for Nuclear Physics:...

406

DOE CYBER SECURITY EBK: CORE COMPETENCY TRAINING REQUIREMENTS...  

Broader source: Energy.gov (indexed) [DOE]

CORE COMPETENCY TRAINING REQUIREMENTS: CA DOE CYBER SECURITY EBK: CORE COMPETENCY TRAINING REQUIREMENTS: CA DOE CYBER SECURITY EBK: CORE COMPETENCY TRAINING REQUIREMENTS. Key Cyber...

407

SEMI-ANNUAL REPORTING REQUIREMENTS (LNG EXPORTERS) | Department...  

Broader source: Energy.gov (indexed) [DOE]

SEMI-ANNUAL REPORTING REQUIREMENTS (LNG EXPORTERS) SEMI-ANNUAL REPORTING REQUIREMENTS (LNG EXPORTERS) Companies with authorizations to export LNG are required to file, on a...

408

Bayesian Integration of Isotope Ratios for Geographic Sourcing of Castor Beans  

SciTech Connect (OSTI)

Recent years have seen an increase in the forensic interest associated with the poison ricin, which is extracted from the seeds of the Ricinus communis plant. Both light element (C, N, O, and H) and strontium (Sr) isotope ratios have previously been used to associate organic material with geographic regions of origin. We present a Bayesian integration methodology that can more accurately predict the region of origin for a castor bean than individual models developed independently for light element stable isotopes or Sr isotope ratios. Our results demonstrate a clear improvement in the ability to correctly classify regions based on the integrated model with a class accuracy of 6 0 . 9 {+-} 2 . 1 % versus 5 5 . 9 {+-} 2 . 1 % and 4 0 . 2 {+-} 1 . 8 % for the light element and strontium (Sr) isotope ratios, respectively. In addition, we show graphically the strengths and weaknesses of each dataset in respect to class prediction and how the integration of these datasets strengthens the overall model.

Webb-Robertson, Bobbie-Jo M.; Kreuzer, Helen W.; Hart, Garret L.; Ehleringer, James; West, Jason B.; Gill, Gary A.; Duckworth, Douglas C.

2012-08-15T23:59:59.000Z

409

Orientation of x-lines in asymmetric magnetic reconnection - mass ratio dependency  

E-Print Network [OSTI]

Using fully kinetic simulations, we study the x-line orientation of magnetic reconnection in an asymmetric configuration. A spatially localized perturbation is employed to induce a single x-line, that has sufficient freedom to choose its orientation in three-dimensional systems. The effect of ion to electron mass ratio is investigated, and the x-line appears to bisect the magnetic shear angle across the current sheet in the large mass ratio limit. The orientation can generally be deduced by scanning through corresponding 2D simulations to find the reconnection plane that maximizes the peak reconnection electric field. The deviation from the bisection angle in the lower mass ratio limit can be explained by the physics of tearing instability.

Liu, Yi-Hsin; Kuznetsova, Masha

2015-01-01T23:59:59.000Z

410

Measurement of the charge ratio of atmospheric muons with the CMS detector  

SciTech Connect (OSTI)

We present a measurement of the ratio of positive to negative muon fluxes from cosmic ray interactions in the atmosphere, using data collected by the CMS detector both at ground level and in the underground experimental cavern at the CERN LHC. Muons were detected in the momentum range from 5 GeV/c to 1 TeV/c. The surface flux ratio is measured to be 1.2766 \\pm 0.0032(stat.) \\pm 0.0032 (syst.), independent of the muon momentum, below 100 GeV/c. This is the most precise measurement to date. At higher momenta the data are consistent with an increase of the charge ratio, in agreement with cosmic ray shower models and compatible with previous measurements by deep-underground experiments.

Khachatryan, Vardan; et al.

2010-08-01T23:59:59.000Z

411

The influence of cluster emission and the symmetry energy on neutron-proton spectral double ratios  

E-Print Network [OSTI]

Emissions of free neutrons and protons from the central collisions of 124Sn+124Sn and 112Sn+112Sn reactions are simulated using the Improved Quantum Molecular Dynamics model with two different density dependence of the symmetry energy in the nuclear equation of state. The constructed double ratios of the neutron to proton ratios of the two reaction systems are found to be sensitive to the symmetry terms in the EOS. The effect of cluster formation is examined and found to affect the double ratios mainly in the low energy region. In order to extract better information on symmetry energy with transport models, it is therefore important to have accurate data in the high energy region which also is affected minimally by sequential decays.

Y. X. Zhang; P. Danielewicz; M. Famiano; Z. Li; W. G. Lynch; M. B. Tsang

2007-08-27T23:59:59.000Z

412

Nano-scaled graphene platelets with a high length-to-width aspect ratio  

DOE Patents [OSTI]

This invention provides a nano-scaled graphene platelet (NGP) having a thickness no greater than 100 nm and a length-to-width ratio no less than 3 (preferably greater than 10). The NGP with a high length-to-width ratio can be prepared by using a method comprising (a) intercalating a carbon fiber or graphite fiber with an intercalate to form an intercalated fiber; (b) exfoliating the intercalated fiber to obtain an exfoliated fiber comprising graphene sheets or flakes; and (c) separating the graphene sheets or flakes to obtain nano-scaled graphene platelets. The invention also provides a nanocomposite material comprising an NGP with a high length-to-width ratio. Such a nanocomposite can become electrically conductive with a small weight fraction of NGPs. Conductive composites are particularly useful for shielding of sensitive electronic equipment against electromagnetic interference (EMI) or radio frequency interference (RFI), and for electrostatic charge dissipation.

Zhamu, Aruna (Centerville, OH); Guo, Jiusheng (Centerville, OH); Jang, Bor Z. (Centerville, OH)

2010-09-07T23:59:59.000Z

413

Fuel Ion Ratio Measurements in NBI Heated Deuterium Tritium Fusion Plasmas at JET using Neutron Emission Spectrometry  

E-Print Network [OSTI]

Fuel Ion Ratio Measurements in NBI Heated Deuterium Tritium Fusion Plasmas at JET using Neutron Emission Spectrometry

414

Effects of nuclear absorption on the antiLambda/antiproton ratio in relativistic heavy ion collisions  

E-Print Network [OSTI]

An enhanced antiLambda/antiproton ratio in heavy-ion relative to p+p collisions has been proposed as one of the signatures for the Quark-Gluon Plasma (QGP) formation. A significantly large (antiLambda+antiSigma0+1.1*antiSigma-)/antiproton ratio of 3.5 has been observed in the mid-rapidity and low transverse momentum region in central Au+Au collisions at the nucleon-nucleon center-of-mass energy of 4.9 GeV at the Alternating Gradient Synchrotron (AGS). This is an order of magnitude larger than the values in peripheral Au+Au collisions and p+p collisions at the corresponding energy. By using the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) transport model, we demonstrate that the observed large ratio can be explained by strong absorption of antiprotons (~99.9%) and antiLambdas (~99%) in dense nuclear matter created in central collisions. We find within the model that the initial antiLambda/antiproton ratio, mainly from string fragmentation, does not depend on the collision centrality, and is consistent with that observed in p+p collisions. This suggests that the observed large (antiLambda+antiSigma0+1.1*antiSigma-)/antiproton ratio at the AGS does not necessarily imply the formation of the QGP. We further study the excitation function of the ratio in UrQMD, which may help in the search and study of the QGP.

Fuqiang Wang; Marlene Nahrgang; Marcus Bleicher

2012-06-30T23:59:59.000Z

415

Isomer ratio measurements as a probe of the dynamics of breakup and incomplete fusion  

SciTech Connect (OSTI)

The incomplete fusion mechanism following breakup of {sup 6,7}Li and {sup 9}Be projectiles incident on targets of {sup 209}Bi and {sup 208}Pb is investigated through isomer ratio measurements for the {sup 212}At and {sup 211}Po products. The phenomenological analysis presented in this paper indicates that incomplete fusion brings relatively more angular momentum into the system than equivalent reactions with a direct beam of the fused fragment. This is attributed to the trajectories of breakup fragments. Calculations with a 3D classical trajectory model support this. Isomer ratio measurements for incomplete fusion reactions can provide a test of new theoretical models of breakup and fusion.

Gasques, L. R.; Dasgupta, M.; Hinde, D. J.; Peatey, T.; Diaz-Torres, A.; Newton, J. O. [Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200 (Australia)

2006-12-15T23:59:59.000Z

416

Practical method and device for enhancing pulse contrast ratio for lasers and electron accelerators  

DOE Patents [OSTI]

An apparatus and method for enhancing pulse contrast ratios for drive lasers and electron accelerators. The invention comprises a mechanical dual-shutter system wherein the shutters are placed sequentially in series in a laser beam path. Each shutter of the dual shutter system has an individually operated trigger for opening and closing the shutter. As the triggers are operated individually, the delay between opening and closing first shutter and opening and closing the second shutter is variable providing for variable differential time windows and enhancement of pulse contrast ratio.

Zhang, Shukui; Wilson, Guy

2014-09-23T23:59:59.000Z

417

A high ON/OFF ratio organic film for photo- and electro-dual-mode recording  

SciTech Connect (OSTI)

To improve the stability of organic multifunctional materials and enhance the ON/OFF ratio, a donor-{pi}-acceptor molecule with the triphenylamine (TPA) unit is designed and synthesized. The TPA unit can effectively stabilize the charge transferred state, and the thin film shows excellent bistable electronic switching behavior with high ON/OFF current ratio of about 10{sup 5}. Meanwhile, reversible and stable nanometer-scale data storage is realized on the thin film by applying pulsed voltages, and optical information storage is achieved simultaneously by utilizing fluorescence changes under UV irradiation.

Li Heng [Department of Physics, Beijing University of Aeronautics and Astronautics, Beijing 100083 (China); Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solid, Laboratory of New Materials, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China); Wen Yongqiang; Li Gang; Ma Ying; Yang Lianming; Song Yanlin; Zhu Daoben [Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solid, Laboratory of New Materials, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China); Li Pengwei; Wang Rongming [Department of Physics, Beijing University of Aeronautics and Astronautics, Beijing 100083 (China); Yang Qinglin [School of Chemistry and Environment, Beijing University of Aeronautics and Astronautics, Beijing 100083 (China)

2009-04-20T23:59:59.000Z

418

Double-to-single photoionization ratio of lithium at medium energies  

SciTech Connect (OSTI)

The double-to-single photoionization ratio of atomic lithium has been measured for photon energies ranging from 120 eV to 910 eV. Through extensive use of various filters we were able to significantly extend the previous range of measurements [M.-T. Huang et al., Phys. Rev. A 59, 3397 (1999)]. We find that our data are in agreement with the predicted high-energy limit of 3.4%. By applying simple model curves to our data, we believe that sequential processes contribute substantially to the double-photoionization cross-section ratio as predicted by theory.

Wehlitz, R.; Bluett, J.B. [Synchrotron Radiation Center, UW-Madison, Stoughton, Wisconsin 53589 (United States); Martinez, M.M. [University of Washington, Seattle, Washington 98105 (United States); Lukic, D. [Institute of Physics, 11001 Belgrade (Serbia and Montenegro); Whitfield, S.B. [Department of Physics and Astronomy, UW-Eau Claire, Eau Claire, Wisconsin 54702 (United States)

2004-06-01T23:59:59.000Z

419

Delayed-neutron branching ratios of precursors in the fission product region  

SciTech Connect (OSTI)

Delayed-neutron branching ratios in the fission product region have been tabulated, and average values have been determined. In order to provide data complementary to published values an experiment covering the mass range 79-150 has been carried out at the OSIRIS isotope-separator on-line facility at Studsvik. This experiment has resulted in branching ratios for some precursors ([sup 84]Ge, [sup 133]Sn, and [sup 150]La) for which such data have not been reported before. In several other cases the new results are accurate than older determinations. 19 refs., 2 figs., 1 tab.

Rudstam, G.; Aleklett, K.; Sihver, L. (Studsvik Neutron Research Lab., Nykoeping (Sweden))

1993-01-01T23:59:59.000Z

420

The effect of void ratio on critical tractive force of cohesive soils  

E-Print Network [OSTI]

, Texas A 6 M University, *+Values cf shear strength for sandy sells, K953 and K114, were taken at a 20 per cent moisture content witl. a vcid ratio of 0, 8. Shear strength for the other sells (clays) was taken as approximately 36 per cont motsiure... for Test Series II . 38 a Tractive Force versus Degradation Rate for Test Series III . 39 Critical Tractive Force versus Void Ratio 44 17. 18. Critical Tractive Force versus Pet Cent Clay Critical Tractive Force versus Mean Particles Size. 52 vi...

Lyle, William Madison

1964-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

The effect of stratum thickness ratio on crossflow in a stratified petroleum reservoir  

E-Print Network [OSTI]

, the effect of stratum thickness ratio and viscosity ratio on crossflow were studied. REVIEW OF LITERATURE The possible importance of permeability stratification in a reservoir being waterflooded was first mentioned in a paper by 1 . Lester C. Uren in f... States, API (1950) p. 160-174. 4, Dyes, A. B. and Braun, P. H. : "Sweepout Patterns in De- pleted and Stratified Reservoirs, " Producers Monthl (1954) 19, No. 2, p, 24-30. 5. Gaucher, D. H. and Lindley, D. C. : "Waterflood Performance in a Stratified...

Kereluk, Michael Joseph

1966-01-01T23:59:59.000Z

422

Characterizing the Aging of Biomass Burning Organic Aerosol by Use of Mixing Ratios: A Meta-analysis of Four Regions  

E-Print Network [OSTI]

Characterizing the Aging of Biomass Burning Organic Aerosol by Use of Mixing Ratios: A Meta: Characteristic organic aerosol (OA) emission ratios (ERs) and normalized excess mixing ratios (NEMRs) for biomass and combustion conditions in determining OA loadings from biomass burning. 1. INTRODUCTION Biomass burning

Jimenez, Jose-Luis

423

Long-Term Stewardship Science and Technology Requirements  

SciTech Connect (OSTI)

To ensure technology developed for long-term stewardship will meet existing requirements, a review of requirements was performed. In addition to identifying existing science and technology related requirements, gaps and conflicts of requirements were identified.

McDonald, J.K.; Nickelson, R.A.

2002-05-16T23:59:59.000Z

424

Long-term Stewardship Science and Technology Requirements  

SciTech Connect (OSTI)

To ensure technology developed for long-term stewardship will meet existing requirements, a review of requirements was performed. In addition to identifying existing science and technology related requirements, gaps and conflicts of requirements were identified.

Mcdonald, Jaimee Kristen; Nickelson, Reva Anne

2002-08-01T23:59:59.000Z

425

Advanced Scientific Computing Research Network Requirements  

SciTech Connect (OSTI)

The Energy Sciences Network (ESnet) is the primary provider of network connectivity for the U.S. Department of Energy (DOE) Office of Science (SC), the single largest supporter of basic research in the physical sciences in the United States. In support of SC programs, ESnet regularly updates and refreshes its understanding of the networking requirements of the instruments, facilities, scientists, and science programs that it serves. This focus has helped ESnet to be a highly successful enabler of scientific discovery for over 25 years. In October 2012, ESnet and the Office of Advanced Scientific Computing Research (ASCR) of the DOE SC organized a review to characterize the networking requirements of the programs funded by the ASCR program office. The requirements identified at the review are summarized in the Findings section, and are described in more detail in the body of the report.

Dart, Eli; Tierney, Brian

2013-03-08T23:59:59.000Z

426

Nutritional Requirements of the Angora Goat.  

E-Print Network [OSTI]

COMPOSITION OF DIETS FOR AN- GORA GOATS Classes and weights (Ib.) of goats TDN (yo) DE (Mcalllb.) CP (%) Wezhers and dry does 50 50-60 1.0-1.2 9.0-10.4 60 50-58 1.0-1.2 9.0-10.4 80 50-54 1.0-1.1 9.0- 9.7 100 5 0 1 .0 9.0- 9.5 120 5 0 1 .0 9... in the , requirements table (Table 1) in that energy requirement of a 100-pound doe is less than twice that of a 50-pound :' doe. In contrast, energy requirements above the main- tenance level for prod~~ctive purposes are characteristic of the product and vary...

Huston, J. E.; Shelton, Maurice; Ellis, W. C.

1971-01-01T23:59:59.000Z

427

Civilian Radioactive Waste Management System Requirements Document  

SciTech Connect (OSTI)

The CRD addresses the requirements of Department of Energy (DOE) Order 413.3-Change 1, ''Program and Project Management for the Acquisition of Capital Assets'', by providing the Secretarial Acquisition Executive (Level 0) scope baseline and the Program-level (Level 1) technical baseline. The Secretarial Acquisition Executive approves the Office of Civilian Radioactive Waste Management's (OCRWM) critical decisions and changes against the Level 0 baseline; and in turn, the OCRWM Director approves all changes against the Level 1 baseline. This baseline establishes the top-level technical scope of the CRMWS and its three system elements, as described in section 1.3.2. The organizations responsible for design, development, and operation of system elements described in this document must therefore prepare subordinate project-level documents that are consistent with the CRD. Changes to requirements will be managed in accordance with established change and configuration control procedures. The CRD establishes requirements for the design, development, and operation of the CRWMS. It specifically addresses the top-level governing laws and regulations (e.g., ''Nuclear Waste Policy Act'' (NWPA), 10 Code of Federal Regulations (CFR) Part 63, 10 CFR Part 71, etc.) along with specific policy, performance requirements, interface requirements, and system architecture. The CRD shall be used as a vehicle to incorporate specific changes in technical scope or performance requirements that may have significant program implications. Such may include changes to the program mission, changes to operational capability, and high visibility stakeholder issues. The CRD uses a systems approach to: (1) identify key functions that the CRWMS must perform, (2) allocate top-level requirements derived from statutory, regulatory, and programmatic sources, and (3) define the basic elements of the system architecture and operational concept. Project-level documents address CRD requirements by further defining system element functions, decomposing requirements into significantly greater detail, and developing designs of system components, facilities, and equipment. The CRD addresses the identification and control of functional, physical, and operational boundaries between and within CRWMS elements. The CRD establishes requirements regarding key interfaces between the CRWMS and elements external to the CRWMS. Project elements define interfaces between CRWMS program elements. The Program has developed a change management process consistent with DOE Order 413.3-Change 1. Changes to the Secretarial Acquisition Executive and Program-level baselines must be approved by a Program Baseline Change Control Board. Specific thresholds have been established for identifying technical, cost, and schedule changes that require approval. The CRWMS continually evaluates system design and operational concepts to optimize performance and/or cost. The Program has developed systems analysis tools to assess potential enhancements to the physical system and to determine the impacts from cost saving initiatives, scientific and technological improvements, and engineering developments. The results of systems analyses, if appropriate, are factored into revisions to the CRD as revised Programmatic Requirements.

C.A. Kouts

2006-05-10T23:59:59.000Z

428

Ootw Tool Requirements in Relation to JWARS  

SciTech Connect (OSTI)

This document reports the results of the CMke of the Secretary of Defense/Program Analysis & Evaluation (OSD/PA&E) sponsored project to identify how Operations Other Than War (OOTW) tool requirements relate to the Joint Warfare Simulation (JWARS) and, more generally, to joint analytical modeling and simulation (M&S) requirements. It includes recommendations about which OOTW tools (and functionality within tools) should be included in JWARS, which should be managed as joint analytical modeling and simulation (M&S) tools, and which should be left for independent development.

Hartley III, D.S.; Packard, S.L.

1998-01-01T23:59:59.000Z

429

Nuclear Power and the World's Energy Requirements  

E-Print Network [OSTI]

The global requirements for energy are increasing rapidly as the global population increases and the under-developed nations become more advanced. The traditional fuels used in their traditional ways will become increasingly unable to meet the demand. The need for a review of the energy sources available is paramount, although the subsequent need to develop a realistic strategy to deal with all local and global energy requirements is almost as important. Here attention will be restricted to examining some of the claims and problems of using nuclear power to attempt to solve this major question.

V. Castellano; R. F. Evans; J. Dunning-Davies

2004-06-10T23:59:59.000Z

430

Requirements for Bridge Inspection | Department of Energy  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of Energy Power.pdf11-161-LNG |September 15,2015Department ofRequirements Crosswalk ofRequirements for

431

Ratios of heavy baryons to heavy mesons in relativistic nucleus-nucleus collisions  

E-Print Network [OSTI]

Heavy baryon/meson ratios Lambda(c)/D(0) and Lambda(b)/(B) over bar (0) in relativistic heavy ion collisions are studied in the quark coalescence model. For heavy baryons, we include production from coalescence of heavy quarks with free light quarks...

Oh, Yongseok; Ko, Che Ming; Lee, Su Houng; Yasui, Shigehiro.

2009-01-01T23:59:59.000Z

432

High precision measurement of the proton elastic form factor ratio at low Q˛  

E-Print Network [OSTI]

Experiment E08-007 measured the proton elastic form factor ratio [mu]GE/GM in the range of Q2 = 0.3-0.7(GeV/c)2 by recoil polarimetry. Data were taken in 2008 at the Thomas Jefferson National Accelerator Facility in Virginia, ...

Zhan, Xiaohui

2010-01-01T23:59:59.000Z

433

Dependence of the signal-to-noise ratio on the radius of cylindrical scintillators  

SciTech Connect (OSTI)

This paper presents the results of a theoretical and experimental investigation conducted of the dependence of the signalto noise ratio of the scintillator of a radiometric inspection device with the use of photon emission in the energy range 0.5-5 MeV. Analytical expressions are given.

Zav'yalkin, F.M.; Osipov, S.P.; Zubkov, Y.G.

1985-07-01T23:59:59.000Z

434

O isotopic composition of CaCO3 measured by continuous ow isotope ratio mass spectrometry  

E-Print Network [OSTI]

for the stable isotopes of carbon-13 and oxygen-18 to determine the ratios of the rare (usually the heavy The reaction of acid with calcite produces solid calcium hydrogen phosphate, liquid water, and two gases, water then are exposed to a dry- ice slush, and the carbon dioxide sublimates while the water stays frozen. After two

435

Standards for publication of isotope ratio and chemical data in Chemical Geology  

E-Print Network [OSTI]

Editorial Standards for publication of isotope ratio and chemical data in Chemical Geology Abstract reporting data for internation- al standards that were analyzed in the same laboratory, using the same and trace elements, there are a large number of reasonably well-characterized whole rock standards from

Rudnick, Roberta L.

436

Carbon isotope ratio of Cenozoic CO2: A comparative evaluation of available geochemical proxies  

E-Print Network [OSTI]

Click Here for Full Article Carbon isotope ratio of Cenozoic CO2: A comparative evaluation 2009; revised 16 February 2010; accepted 1 March 2010; published 17 July 2010. [1] The carbon isotope that these factors act to offset one another. Our reconstruction suggests that Cenozoic d13 CCO2 averaged -6.1 ± 0

Tipple, Brett

437

Towards Matter-Antimatter Balance at RHIC Antiparticle-to-Particle Ratios measured with BRAHMS  

E-Print Network [OSTI]

of energy used for particle production. Two collision scenarios limit the range of the baryon ratios (#22;p University, New York, New York 10003, 7 Niels Bohr Institute, University of Copenhagen, Denmark, 8 Texas A&M University, College Station,Texas 77843, 9 University of Bergen, Department of Physics, Bergen,Norway, 10

438

Peristaltic pumping of a viscoelastic fluid at high occlusion ratios and large Weissenberg numbers  

E-Print Network [OSTI]

Peristaltic pumping of a viscoelastic fluid at high occlusion ratios and large Weissenberg numbers pumping is a mechanism for transporting fluid or immersed par- ticles in a channel by waves of contraction- vestigate numerically the peristaltic pumping of an incompressible viscoelas- tic fluid using the simple

Bigelow, Stephen

439

Using Tensor Momentum Dependent Deuteron Potential to Extract the Asymptotic D/S Ratio  

SciTech Connect (OSTI)

A new value for the deuteron asymptotic D/S ratio {eta} = 0.02640{+-}0.00024 is extracted from an empirical linear {eta}-Q relation found for a class of deuteron momentum dependent potentials with tensor momentum dependent part. These potentials fit a recently published phase shift analysis and the binding energy of the deuteron.

Emad El-Deen, A. Sultan; Mustafa, Mustafa M. [Physics department, Faculty of Science, Sohag University (Egypt); Zahran, Elbadry S. [Physics department, Faculty of Science, Assiut University (Egypt)

2010-09-30T23:59:59.000Z

440

New analysis of O-14 beta decay: Branching ratios and conserved vector current consistency  

E-Print Network [OSTI]

The ground-state Gamow-Teller transition in the decay of O-14 is strongly hindered and the electron spectrum shape deviates markedly from the allowed shape. A reanalysis of the only available data on this spectrum changes the branching ratio...

Towner, IS; Hardy, John C.

2005-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

A Novel Demountable TF Joint Design for Low Aspect Ratio Spherical Torus Tokamaks  

SciTech Connect (OSTI)

A novel shaped design for the radial conductors and demountable electrical joints connecting inner and outer legs of copper TF system conductors in low aspect ratio tokamaks is described and analysis results are presented. Specially shaped designs can optimize profiles of electrical current density, magnetic force, heating, and mechanical stress.

Robert D. Woolley

2009-06-11T23:59:59.000Z

442

A Novel Demountable TF Joint Design for Low Aspect Ratio Spherical Torus Tokamaks  

SciTech Connect (OSTI)

A novel shaped design for the radial conductors and demountable electrical joints connecting inner and outer legs of copper TF system conductors in low aspect ratio tokamaks is described and analysis results are presented. Specially shaped designs can optimize profiles of electrical current density, magnetic force, heating, and mechanical stress.

R.D. Woolley

2009-05-29T23:59:59.000Z

443

A threshold area ratio of organic to conventional agriculture causes recurrent pathogen outbreaks in organic agriculture  

E-Print Network [OSTI]

A threshold area ratio of organic to conventional agriculture causes recurrent pathogen outbreaks in organic agriculture S. Adl a, , D. Iron b , T. Kolokolnikov b a Department of Biology, Dalhousie Fungal spores Organic agriculture Pathogen dispersal Conventional agriculture uses herbicides, pesticides

Kolokolnikov, Theodore

444

Heat transfer from multiple row arrays of low aspect ratio pin fins Seth A. Lawson a,  

E-Print Network [OSTI]

Heat transfer from multiple row arrays of low aspect ratio pin fins Seth A. Lawson a, , Alan A 18 March 2011 Available online 5 May 2011 Keywords: Pin fins Heat transfer augmentation Array to enhance heat transfer. In modern gas turbines, for exam- ple, airfoils are designed with sophisticated

Thole, Karen A.

445

Earth Planets Space, 54, 265273, 2002 Iodine isotope ratios and halide concentrations in fluids  

E-Print Network [OSTI]

is best preserved in the high-temperature fumaroles collected in 1998 and has a 129 I/I ratio of 756 ± 47 recent meteoric water from the fumarolic system after 1993. The acid hot springs on the flanks by mixing with old meteoric water and seawater. Fumarolic gases and hot spring waters were also analyzed

Fehn, Udo

446

Optimal Core Dimensional Ratios for Minimizing Winding Loss in High-Frequency  

E-Print Network [OSTI]

to optimum provides a 32% savings in power loss compared to another popular core shape. Further improvements in power loss could be achieved by using optimized core shapes. Improvements to software for shape. This optimum aspect ratio is a function of frequency and other parameters. Significant increases in power loss

447

Design of a 2400MW liquid-salt cooled flexible conversion ratio reactor  

E-Print Network [OSTI]

A 2400MWth liquid-salt cooled flexible conversion ratio reactor was designed, utilizing the ternary chloride salt NaCl-KCl-MgCI2 (30%-20%-50%) as coolant. The reference design uses a wire-wrapped, hex lattice core, and is ...

Petroski, Robert C

2008-01-01T23:59:59.000Z

448

Free Boundary, High Beta Equilibrium in a Large Aspect Ratio Tokamak with Nearly  

E-Print Network [OSTI]

Free Boundary, High Beta Equilibrium in a Large Aspect Ratio Tokamak with Nearly Circular Plasma Boundary H. Qin A. Reiman September 25, 1996 Abstract An analytic solution is obtained for free. In the absence of surface currents at the plasma­vacuum in­ terface, the free­boundary equilibrium solution

449

Free Boundary, High Beta Equilibrium in a Large Aspect Ratio Tokamak with Nearly  

E-Print Network [OSTI]

Free Boundary, High Beta Equilibrium in a Large Aspect Ratio Tokamak with Nearly Circular Plasma Boundary H. Qin A. Reiman September 25, 1996 Abstract An analytic solution is obtained for free. In the absence of surface currents at the plasma-vacuum in- terface, the free-boundary equilibrium solution

450

Induced abortion ratio in modern Sweden falls with age, but rises again before menopause  

E-Print Network [OSTI]

Induced abortion ratio in modern Sweden falls with age, but rises again before menopause Birgitta S. Tullberga, *, Virpi Lummaab,1 a Department of Zoology, University of Stockholm, S-10691 Stockholm, Sweden b than on age per se. We used data on abortions and births in Sweden during 1994 to investigate how

Tullberg, Birgitta

451

Video-Rate Scanning Two-Photon Excitation Fluorescence Microscopy and Ratio Imaging with Cameleons  

E-Print Network [OSTI]

Video-Rate Scanning Two-Photon Excitation Fluorescence Microscopy and Ratio Imaging with Cameleons ABSTRACT A video-rate (30 frames/s) scanning two-photon excitation microscope has been successfully tested 690 to 1050 nm, prechirper optics for laser pulse-width compression, resonant galvanometer for video

Tsien, Roger Y.

452

Revisit of the neutron/proton ratio puzzle in intermediate-energy heavy-ion collisions  

E-Print Network [OSTI]

Incorporating a newly improved isospin- and momentum-dependent interaction in the isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model IBUU11, we have investigated relative effects of the density dependence of nuclear symmetry energy $E_{sym}(\\rho)$ and the neutron-proton effective mass splitting $m^*_n-m^*_p$ on the neutron/proton ratio of free nucleons and those in light clusters. It is found that the $m^*_n-m^*_p$ has a relatively stronger effect than the $E_{sym}(\\rho)$ and the assumption of $m^*_n\\leq m^*_p$ leads to a higher neutron/proton ratio. Moreover, this finding is independent of the in-medium nucleon-nucleon cross sections used. However, results of our calculations using the $E_{sym}(\\rho)$ and $m^*_n-m^*_p$ both within their current uncertainty ranges are all too low compared to the recent NSCL/MSU double neutron/proton ratio data from central $^{124}$Sn+$^{124}$Sn and $^{112}$Sn+$^{112}$Sn collisions at 50 and 120 MeV/u, thus calling for new mechanisms to explain the puzzlingly high neutron/proton ratio observed in the experiments.

Hai-Yun Kong; Yin Xia; Jun Xu; Lie-Wen Chen; Bao-An Li; Yu-Gang Ma

2015-02-03T23:59:59.000Z

453

EFFECT OF ANESTHESIA, POSITIONING, TIME, AND FEEDING ON THE PROVENTRICULUS: KEEL RATIO OF CLINICALLY HEALTHY PARROTS  

E-Print Network [OSTI]

EFFECT OF ANESTHESIA, POSITIONING, TIME, AND FEEDING ON THE PROVENTRICULUS: KEEL RATIO the effects of anesthesia, patient rotation, feeding, and short/long-term temporal factors on the proven limits. No significant effect was identified due to anesthesia, feeding, fasting, or repeated imaging

Yandell, Brian S.

454

The sex ratio at birth in China in 2000: a provincial level analysis  

E-Print Network [OSTI]

declined rapidly in China, from an average of about 6 children per woman in 1970 to 1.8 in 2000. However, due to the strong preference of a son, the sex ratio at birth began to increase in the 1980s. The 2000 Population Census of China reports a total sex...

Gu, Yuan

2012-06-07T23:59:59.000Z

455

High-precision optical measurements of 13 isotope ratios in organic compounds at  

E-Print Network [OSTI]

range with an average precision of 0.95 and 0.67 for ethane and propane, respec- tively. The calibrated accuracy for methane, ethane, and propane is within 3 of the values determined using isotope ratio mass place in chemistry, especially in geochemistry, for determining reaction mechanisms and pro- viding

Zare, Richard N.

456

Temperature Compensated Air/Fuel Ratio Control on a Recuperated Furnace  

E-Print Network [OSTI]

When recuperation is added to a furnace, air/ fuel ratio control seemingly becomes more complicated. Two methods normally used are mass flow control where the fuel pressure or flow is proportional to the mass flow of air or cross-connected control...

Ferri, J. L.

1983-01-01T23:59:59.000Z

457

Redundancy Ratio: An Invariant Property of the Consonant Inventories of the World's Languages  

E-Print Network [OSTI]

Redundancy Ratio: An Invariant Property of the Consonant Inventories of the World's Languages that is observed across the sound inventories of the world's languages. Through rigorous statis- tical analysis, we analysis further un- folds that the vowel inventories do not ex- hibit any such property, which in turn

Ganguly, Niloy

458

Global gyrokinetic stability of collisionless microtearing modes in large aspect ratio tokamaks  

SciTech Connect (OSTI)

Linear full radius gyrokinetic calculations show the existence of unstable microtearing modes (MTMs) in purely collisionless, high temperature, large aspect ratio tokamak plasmas. The present study takes into account fully gyrokinetic highly passing ions and electrons. The global 2-D structures of the collisionless mode with full radius coupling of the poloidal modes is obtained and compared with another electromagnetic mode, namely, the Alfvén Ion Temperature Gradient (AITG) mode (or Kinetic Ballooning Mode, KBM) for the same equilibrium profile. Several important characteristics of the modes are brought out and compared, such as a clear signature in the symmetry properties of the two modes, the plasma–? dependence, and radial and poloidal length scales of the electrostatic and magnetic vector potential fluctuations. Extensive parameter scans for this collisionless microtearing mode reveal the scaling of the growth rate with ? and the electron temperature gradient ?{sub e}. Scans at different ? values show an inverse relationship between the ?{sub e} threshold and ?, leading to a stability diagram, and implying that the mode might exist at moderate to strong temperature gradients for finite ? plasmas in large aspect ratio tokamaks. In contrast to small aspect ratio tokamaks where the trapped electron magnetic drift resonance is found to be important, in large aspect ratio tokamaks, a strong destabilization due to the magnetic drift resonance of passing electrons is observed and is identified as a possible collisionless drive mechanism for the collisionless MTM.

Swamy, Aditya K.; Ganesh, R., E-mail: ganesh@ipr.res.in [Institute for Plasma Research, Bhat, Gandhinagar (India); Chowdhury, J. [Department of Physics, University of Colorado, Boulder, Colorado 80309 (United States); Brunner, S.; Vaclavik, J.; Villard, L. [CRPP, EPFL, 1015 Lausanne (Switzerland)

2014-08-15T23:59:59.000Z

459

Very Low Fruit:Flower Ratios in Grevillea (Proteaceae) are Independent  

E-Print Network [OSTI]

breeding systems: G. linearifolia was self-incompatible (SI = 0.003), G. sphacelata, G. mucronulata, and G.61). Intrapopulation variability in the level of self-incompatibility was high in all species but G. linearifolia-specific compatibility was compared using the self-compatibility index (SI = ratio of selfed fruit set to crossed fruit

Innes, David J.

460

Mechanisms of Atomic Layer Deposition on Substrates with Ultrahigh Aspect Ratios  

E-Print Network [OSTI]

as a very promising method for controlled coating of the inner surfaces of monolithic nanoporous aerogel (AG suited for coating substrates with ultrahigh aspect ratios (J103), including nanoporous solids. Here, we study the ALD of Cu and Cu3N on the inner surfaces of low-density nanoporous silica aerogel monoliths

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Physics Issues in the Design of Low Aspect-Ratio, High-, Quasi-Axisymmetric Stellarators  

E-Print Network [OSTI]

, Lausanne, Switzerland 5 Max Planck Institute for Plasma Physics,Greifswald, Germany 6 Kurchatov InstitutePhysics Issues in the Design of Low Aspect-Ratio, High-, Quasi-Axisymmetric Stellarators M Princeton Plasma Physics Laboratory, Princeton, NJ 08543 USA 2 Oak Ridge National Laboratory, Oak Ridge, TN

Lin, Zhihong

462

Predicting the ultimate bending capacity of concrete beams from the ``relaxation ratio'' analysis of AE signals  

E-Print Network [OSTI]

on ``testing'' the real structure rather than trying to model it. Experiments on reinforced concrete (RC) beamsPredicting the ultimate bending capacity of concrete beams from the ``relaxation ratio'' analysis the unloading and loading phases of a cycle test and it showed a clear correlation with the bending failure load

463

The analysis and interpretation of water-oil-ratio performance in petroleum reservoirs  

E-Print Network [OSTI]

Our goal in this work is to develop and validate a multivariate relation for the behavior of the water-oil-ratio (WOR) and/or water cut (f[]) functions, where this relation would incorporate the reservoir and fluid properties for both phases (oil...

Bondar, Valentina

2001-01-01T23:59:59.000Z

464

Effects of Solid-to-Solution Ratio on Uranium(VI) Adsorption and Its  

E-Print Network [OSTI]

Effects of Solid-to-Solution Ratio on Uranium(VI) Adsorption and Its Implications T A O C H E N G, and Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison interacting ligands. Introduction The migration of uranium(VI), as well as other radionuclides and metal

Roden, Eric E.

465

Deciphering the measured ratios of Iodine-131 to Cesium-137 at the Fukushima reactors  

E-Print Network [OSTI]

We calculate the relative abundance of the radioactive isotopes Iodine-131 and Cesium-137 produced by nuclear fission in reactors and compare it with data taken at the troubled Fukushima Dai-ichi nuclear power plant. The ratio of radioactivities of these two isotopes can be used to obtain information about when the nuclear reactions terminated.

T. Matsui

2011-12-13T23:59:59.000Z

466

Between-Source Modelling for Likelihood Ratio Computation in Forensic Biometric Recognition  

E-Print Network [OSTI]

Between-Source Modelling for Likelihood Ratio Computation in Forensic Biometric Recognition Daniel, Switzerland Abstract. In this paper, the use of biometric systems in forensic ap- plications is reviewed. Main differences between the aim of commercial biometric systems and forensic reporting are highlighted, showing

Autonoma de Madrid, Universidad

467

Calcite growth rates as a function of aqueous calcium-to-carbonate ratio, saturation index and strontium concentration  

SciTech Connect (OSTI)

Using in situ atomic force microscopy, the growth rates of the obtuse and acute step orientations on the calcite surface were measured at two saturation indices as a function of the aqueous calcium-to-carbonate ratio and aqueous strontium concentration. The amount of strontium required to inhibit growth was found to correlate with the aqueous calcium concentration, but did not correlate with carbonate. This suggests that strontium inhibits attachment of calcium ions to the reactive sites on the calcite surface. Strontium/calcium cation exchange selectivity coefficients for those sites, Kex, of 1.09 0.09 and 1.44 0.19 are estimated for the obtuse and acute step orientations, respectively. The implication of this finding is that to avoid poisoning calcite growth, the concentration of calcium should be higher than the quotient of the strontium concentration and Kex, regardless of saturation state. Additionally, analytical models of nucleation and propagation of steps are expanded from previous work to capture growth rates of these steps at multiple saturation indices and the effect of strontium. This work will have broader implications for naturally occurring or engineered calcite growth, such as to sequester subsurface strontium contamination.

Bracco, Jacquelyn N [ORNL; Grantham, Ms. Meg [Georgia Institute of Technology; Stack, Andrew G [ORNL

2012-01-01T23:59:59.000Z

468

Prospects for measuring the fuel ion ratio in burning ITER plasmas using a DT neutron emission spectrometer  

SciTech Connect (OSTI)

The fuel ion ratio n{sub t}/n{sub d} is an essential parameter for plasma control in fusion reactor relevant applications, since maximum fusion power is attained when equal amounts of tritium (T) and deuterium (D) are present in the plasma, i.e., n{sub t}/n{sub d} = 1.0. For neutral beam heated plasmas, this parameter can be measured using a single neutron spectrometer, as has been shown for tritium concentrations up to 90%, using data obtained with the MPR (Magnetic Proton Recoil) spectrometer during a DT experimental campaign at the Joint European Torus in 1997. In this paper, we evaluate the demands that a DT spectrometer has to fulfill to be able to determine n{sub t}/n{sub d} with a relative error below 20%, as is required for such measurements at ITER. The assessment shows that a back-scattering time-of-flight design is a promising concept for spectroscopy of 14 MeV DT emission neutrons.

Hellesen, C.; Skiba, M., E-mail: mateusz.skiba@physics.uu.se; Dzysiuk, N.; Weiszflog, M.; Hjalmarsson, A.; Ericsson, G.; Conroy, S.; Andersson-Sundén, E.; Eriksson, J.; Binda, F. [Department of Physics and Astronomy, Uppsala University, Uppsala (EURATOM-VR Association), SE-75120 Uppsala (Sweden)

2014-11-15T23:59:59.000Z

469

SU-E-I-18: CT Scanner QA Using Normalized CTDI Ratio  

SciTech Connect (OSTI)

Purpose: To create a ratio of weighted computed tomography dose index (CTDIw) data normalized to in-air measurements (CTDIair) as a function of beam quality to create a look-up table for frequent, rapid quality assurance (QA) checks of CTDI. Methods: The CTDIw values were measured according to TG-63 protocol using a pencil ionization chamber (Unfors Xi CT detector) and head and body Polymethyl methacrylate (PMMA) phantoms (16 and 32 cm diameter, respectively). Single scan dose profiles were measured at each clinically available energy (80,100,120,140 kVp) on three different CT scanners (two Siemens SOMATOM Definition Flash and one GE Optima), using a tube current of 400 mA, a one second rotation time, and the widest available beam width (32 × 0.6 mm and 16 × 1.25 mm, respectively). These values were normalized to CTDIair measurements using the same conditions as CTDIw. The ratios (expressed in cGy/R) were assessed for each scanner as a function of each energy's half value layer (HVL) paired with the phantom's appropriate bow tie filter measured in mmAl. Results: Normalized CTDI values vary linearly with HVL for both the head and body phantoms. The ratios for the two Siemens machines are very similar at each energy. Compared to the GE scanner, these values vary between 10–20% for each kVp setting. Differences in CTDIair contribute most to the deviation of the ratios across machines. Ratios are independent of both mAs and collimation. Conclusion: Look-up tables constructed of normalized CTDI values as a function of HVL can be used to derive CTDIw data from only three in-air measurements (one for CTDIair and two with added filtration for HVL) to allow for simple, frequent QA checks without CT phantom setup. Future investigations will involve comparing results with Monte Carlo simulations for validation.

Randazzo, M; Tambasco, M; Russell, B [San Diego State University, San Diego, CA (United States)

2014-06-01T23:59:59.000Z

470

Effects of fuel type and equivalence ratios on the flickering of triple flames  

SciTech Connect (OSTI)

An experimental study has been conducted in axisymmetric, co-flowing triple flames with different equivalence ratios of the inner and outer reactant streams (2<{phi}{sub in}<3 and 0{<=}{phi}{sub out}<0.7). Different fuel combinations, like propane/propane, propane/methane or methane/methane in the inner and outer streams respectively, have been used in the experiments. The structures of the triple flames have been compared for the different fuel combinations and equivalence ratios. The conditions under which triple flames exhibit oscillation have been identified. During the oscillation, the non-premixed flame and the outer lean premixed flame flicker strongly, while the inner rich premixed flame remains more or less stable. The flickering frequency has been evaluated through image processing and fast Fourier transform (FFT) of the average pixel intensity of the image frames. It is observed that, for all the fuel combinations, the frequency decreases with the increase in the outer equivalence ratio, while it is relatively invariant with the change in the inner equivalence ratio. However, an increase in the inner equivalence ratio affects the structure of the flame by increasing the heights of the inner premixed flame and non-premixed flame and also enlarges the yellow soot-laden zone at the tip of the inner flame. A scaling analysis of the oscillating flames has been performed based on the measured parameters, which show a variation of Strouhal number (St) with Richardson number (Ri) as St {proportional_to} Ri{sup 0.5}. The fuel type is found to have no influence on this correlation. (author)

Sahu, K.B.; Kundu, A.; Ganguly, R.; Datta, A. [Department of Power Engineering, Jadavpur University, Salt Lake Campus, Kolkata 700098 (India)

2009-02-15T23:59:59.000Z

471

Computer Science Graduation Requirements Checklist Spring 2006  

E-Print Network [OSTI]

Computer Science Graduation Requirements Checklist ­ Spring 2006 Computer Science Courses Course Gr. Sem. Comments CSE 113 Foundations of Computer Science I CSE 114 Computer Science I [prerequisite: CSE 110] CSE 213 Foundations of Computer Science II CSE 214 Computer Science II CSE 219 Computer Science

Zadok, Erez

472

Energy System Emissions and Materiel Requirements  

SciTech Connect (OSTI)

This report compares a central station solar photovoltaic plant to two coal plants, one gas plant, and a nuclear plant. It is of interest to geothermal energy studies only as source materials for comparisons on material requirements. This contains 48 references / citations. (DJE 2005)

None

1989-02-01T23:59:59.000Z

473

Air Quality: Construction Project Air Permit Requirements  

E-Print Network [OSTI]

Air Quality: Construction Project Air Permit Requirements Department: Chemical and General Safety Program: Air Quality Owner: Program Manager Authority: ES&H Manual, Chapter 30, Air Quality1 All manager or operator must submit the completed form to the air quality program manager before the project

Wechsler, Risa H.

474

Requirements for a Concentration in Energy Technologies  

E-Print Network [OSTI]

Technologies ­ 4 cr ENG EC 417 ­ Electric Energy Systems: Adapting to Renewable Resources ­ 4 cr Additional* - Methods of Environmental Policy ­ 4 cr ENG ME 533 ­ Energy Conversion ­ 4 cr ENG EC/ME/SE 543Requirements for a Concentration in Energy Technologies The concentration in Energy Technologies

475

PID Controller Synthesis with Specified Stability Requirement  

E-Print Network [OSTI]

PID Controller Synthesis with Specified Stability Requirement for Some Classes of MIMO Systems T. S+Integral+Derivative (PID) con- trollers, where the closed-loop poles can be assigned to the left of an axis shifted PID-controllers with this property of small negative real-part assignability of closed-loop poles

Gundes, A. N.

476

CRAD, Facility Safety- Technical Safety Requirements  

Broader source: Energy.gov [DOE]

A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) that can be used for assessment of a contractor's Technical Safety Requirments (TSA).

477

Airfoil Optimization Using Practical Aerodynamic Design Requirements  

E-Print Network [OSTI]

Airfoil Optimization Using Practical Aerodynamic Design Requirements Howard P. Buckley, Beckett Y., Toronto, Ontario, M3H 5T6, Canada Practical aerodynamic design problems must balance the goal the aerodynamic constraints imposed at the off-design operating conditions to be treated explicitly. Both methods

Zingg, David W.

478

Mobile Communities Requirements and Features for Success  

E-Print Network [OSTI]

Mobile Communities ­ Requirements and Features for Success Sarah Denis Heldt Media Informatics LMU.broll@ifi.lmu.de Philipp Lehmann Burda Wireless GmbH philipp.lehmann@burda.com ABSTRACT Advancements in mobile technologies and decreasing charges are starting to leverage the mobile usage of the internet and its applications. This paper

479

Requirements for Hybrid Cosimulation David Broman  

E-Print Network [OSTI]

Requirements for Hybrid Cosimulation David Broman Lev Greenberg Edward A. Lee Michael Masin Stavros), and the Center for Hybrid and Embedded Software Systems (CHESS) at UC Berkeley (supported by NSF award #0931843 (ActionWebs), NRL award #N0013-12-1-G015, the Assistant Secretary for Energy Efficiency and Renewable

480

Biology The Science of Life Minor Requirements  

E-Print Network [OSTI]

Biology ­ The Science of Life Minor Requirements To minor in Biology students must complete the following courses (33-36 units): BIOL105 General Biology I BIOL106 General Biology II BIOL212 Cell Physiology (pre-requisite: minimum C- in General Biology BIOL105 and BIOL106) BIOL310 Genetics (prequisite

Galles, David

Note: This page contains sample records for the topic "ing ratio requires" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Extracting Security Control Requirements University of Tulsa  

E-Print Network [OSTI]

-component systems or systems of systems (SoSs) are difficult to verify because the security controls must to formulate functional requirements from security controls with SoSs as the target. The process starts accepted security controls for "Federal Information Systems and Organizations" [8]. NIST defines security

Gamble, R. F.

482

THE REQUIREMENTS OF A FUSION DEMONSTRATION  

E-Print Network [OSTI]

and will analyze the strategies, facilities, and prior testing requirements needed to demonstrate electric power Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes constitute or imply its endorsement, recommendation, or favoring by the United States Government or any

Najmabadi, Farrokh

483

Requirements For An Advanced Fueling System  

E-Print Network [OSTI]

supported by DOE grant No. DE-FG03-02ER54686 Supported by 1 #12;Reactor Fueling Requirements Not Adequately for current drive, a fueling system is all that a burning plasma system may be able to rely on to alter core density peaking via. core fuelling provides more flexibility to reach ignition 3Raman/FESAC/7Aug07 #12

Princeton Plasma Physics Laboratory

484

Requirements Engineering Technology Transfer: An Experience Report  

E-Print Network [OSTI]

Requirements Engineering Technology Transfer: An Experience Report Francisco A. C. Pinheiro1 Julio of software engineering technology transfer was identified by Pfleeger (1999). She came to the con- clusion Journal of Technology Transfer, 28, 159­165, 2003 ©2003 Kluwer Academic Publishers. Manufactured

Leite, Julio Cesar Sampaio do Prado

485

GENERATING REQUIREMENTS FOR FUTURISTIC HETROGENOUS UNMANNED SYSTEMS  

E-Print Network [OSTI]

Institute of Technology, Cambridge, MA 2 Mechanical-Aeronautical Engineering, Instituto Tecnologico de either on land or underwater; thus, no SMEs are available to interview. Through a multi-tiered approach to requirements generation, this hybrid CTA methodology compensates for the lack of subject matter experts (SMEs

Cummings, Mary "Missy"

486

Library Requirements for New Programs and  

E-Print Network [OSTI]

Library Requirements for New Programs and Major Revisions This form is to be completed the University Library, University of Saskatchewan. Contact the appropriate Liaison Librarian for assistance. 1/College: Degree Level (undergraduate or graduate) 2. Library Resources 2.1 Resources are/will be located mainly

Saskatchewan, University of

487

On Linguistic Quality of Natural Language Requirements  

E-Print Network [OSTI]

, has now reached its limits. Like classical engineering switched from quality control to total qualityOn Linguistic Quality of Natural Language Requirements F. Fabbrini 1 , M. Fusani 1 , V. Gervasi 2 Informatica, Corso Italia 40, 56125 Pisa Italy. Abstract. We recognize the need for defining a quality model

Ruggieri, Salvatore

488

Tourism Planning and Development Required Courses  

E-Print Network [OSTI]

Tourism Planning and Development Required Courses TOUR 400, Introduction to Tourism EREC 411 and Applications TOUR 560, Special Topics (8 credits) CEP 614, Fundamentals of Planning TOUR 615, Tourism Planning and Development TOUR 633, Economics of Travel and Tourism TOUR 700, Marketing Communications

New Hampshire, University of

489

Integrating Customized Test Requirements with Traditional  

E-Print Network [OSTI]

between QA and Development by Michal Blumenstyk 4. Causes of Failures in Web Applications by Solia Pertet.9) Deployment Users Test Cases Web Application Implementation (v.1.0) User Sessions Replay Tool Test Cases-WEB, July 2006 Sreedevi Sampath . University of Delaware 5/29 Program Coverage-based Test Requirement

Sampath, Sreedevi

490

Building HVAC Requirements Overview Page 4-1 4 Building HVAC Requirements  

E-Print Network [OSTI]

heating, radiant floor systems, evaporative cooling, gas cooling, ground-source heat pumps, and wood space requirements for additions to existing dwellings and for alterations to existing heating and cooling systems packages. Package C permits electric resistance space heating, but requires significantly greater

491

Requirements for the MINOR in Environmental Science Five courses required. Total credits = minimum of 15  

E-Print Network [OSTI]

Requirements for the MINOR in Environmental Science Five courses required. Total credits = minimum to Environmental Science OR NRC 100 Environment and Society OR GEO-SCI 100 Global Environmental Change Select two (2) of following four courses ENVIRSCI 213 Introduction to Environmental Policy ENVIRSCI 214

Massachusetts at Amherst, University of

492

Landscape & Nursery Internship Requirements 11-26-07 LANDSCAPE AND NURSERY INTERNSHIP OVERVIEW & REQUIREMENTS  

E-Print Network [OSTI]

Landscape & Nursery Internship Requirements 11-26-07 LANDSCAPE AND NURSERY INTERNSHIP OVERVIEW & REQUIREMENTS It is the student's responsibility to set-up their internship with approval from their coordinator at the end of March. Typically, students begin their internships in April and work through mid-August. You

493

Improvements to Technical Specifications surveillance requirements  

SciTech Connect (OSTI)

In August 1983 an NRC task group was formed to investigate problems with surveillance testing required by Technical Specifications, and to recommend approaches to effect improvements. NUREG-1024 ( Technical Specifications-Enhancing Safety Impact'') resulted, and it contained recommendations to review the basis for test frequencies; to ensure that the tests promote safety and do not degrade equipment; and to review surveillance tests so that they do not unnecessarily burden personnel. The Technical Specifications Improvement Program (TSIP) was established in December 1984 to provide the framework for rewriting and improving the Technical Specifications. As an element of the TSIP, all Technical Specifications surveillance requirements were comprehensively examined as recommended in NUREG-1024. The results of that effort are presented in this report. The study found that while some testing at power is essential to verify equipment and system operability, safety can be improved, equipment degradation decreased, and unnecessary personnel burden relaxed by reducing the amount of testing at power.

Lobel, R.; Tjader, T.R.

1992-12-01T23:59:59.000Z

494

RADIOACTIVE MATERIAL PACKAGING TORQUE REQUIREMENTS COMPLIANCE  

SciTech Connect (OSTI)

Shipping containers used to transport radioactive material (RAM) in commerce employ a variety of closure mechanisms. Often, these closure mechanisms require a specific amount of torque be applied to a bolt, nut or other threaded fastener. It is important that the required preload is achieved so that the package testing and analysis is not invalidated for the purpose of protecting the public. Torque compliance is a means of ensuring closure preload, is a major factor in accomplishing the package functions of confinement/containment, sub-criticality, and shielding. This paper will address the importance of applying proper torque to package closures, discuss torque value nomenclature, and present one methodology to ensure torque compliance is achieved.

Watkins, R.; Leduc, D.

2011-03-24T23:59:59.000Z

495

Frequency Control Performance Measurement and Requirements  

SciTech Connect (OSTI)

Frequency control is an essential requirement of reliable electric power system operations. Determination of frequency control depends on frequency measurement and the practices based on these measurements that dictate acceptable frequency management. This report chronicles the evolution of these measurements and practices. As technology progresses from analog to digital for calculation, communication, and control, the technical basis for frequency control measurement and practices to determine acceptable performance continues to improve. Before the introduction of digital computing, practices were determined largely by prior experience. In anticipation of mandatory reliability rules, practices evolved from a focus primarily on commercial and equity issues to an increased focus on reliability. This evolution is expected to continue and place increased requirements for more precise measurements and a stronger scientific basis for future frequency management practices in support of reliability.

Illian, Howard F.

2010-12-20T23:59:59.000Z

496

Cyber Security Requirements for Risk Management  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The Notice ensures that system owners consistently assess the threats to and vulnerabilities of systems in order to implement adequate security controls. The Notice will also ensure compliance with the requirements of DOE O 205.1, Department of Energy Cyber Security Management Program, dated 3-21-03, and protect DOE information and information systems from unauthorized access, use, disclosure, modification, or destruction. DOE N 205.15, dated 3/18/05, extends this directive until 3/18/06.

2004-02-19T23:59:59.000Z

497

Sandia National Laboratories: reduce platform size requirements  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1developmentturbineredox-active perovskite oxideplatform size requirements Study

498

Half-life and gamma abundance ratio measurements of Sm-153  

SciTech Connect (OSTI)

The measurement of the decay of 153Sm was observed by gamma spectrometry, liquid scintillation counting and gas proportional counting in an attempt to confirm the half life and gamma abundance ratios for this isotope. Recent changes in the published nuclear decay data indicate that historical literature values may be biased. The 153Sm was made by the neutron activation of ultrapure isotopically enriched 152Sm to create 153Sm. The decay measurements were made over a three week period and no other isotopes were detected during this time. The gamma abundance ratio for the 103 keV gamma was measured to be (27.9%) which is 4% lower than the published data. In addition, the half life was 1.9308 days, which is 0.34% lower than the published data.

Friese, Judah I.; Payne, Rosara F.; Greenwood, Lawrence R.; Soderquist, Chuck Z.; Garofoli, Stephanie J.

2009-11-02T23:59:59.000Z

499

Auxetic two-dimensional lattice with Poisson's Ratio arbitrarily close to -1  

E-Print Network [OSTI]

In this paper we propose a new lattice structure having macroscopic Poisson's ratio arbitrarily close to the stability limit -1. We tested experimentally the effective Poisson's ratio of the micro-structured medium; the uniaxial test has been performed on a thermoplastic lattice produced with a 3d printing technology. A theoretical analysis of the effective properties has been performed and the expression of the macroscopic constitutive properties is given in full analytical form as a function of the constitutive properties of the elements of the lattice and on the geometry of the microstructure. The analysis has been performed on three micro-geometry leading to an isotropic behaviour for the cases of three-fold and six-fold symmetry and to a cubic behaviour for the case of four-fold symmetry.

Cabras, L

2014-01-01T23:59:59.000Z

500

Heat pump employing optimal refrigerant compressor for low pressure ratio applications  

DOE Patents [OSTI]

What is disclosed is a heat pump apparatus for conditioning a fluid characterized by a fluid handler for circulating the fluid in heat exchange relationship with a refrigerant fluid; two refrigerant heat exchangers; one for effecting the heat exchange with the fluid and a second refrigerant-heat exchange fluid heat exchanger for effecting a low pressure ratio of compression of the refrigerant; a rotary compressor for compressing the refrigerant with low power consumption at the low pressure ratio; at least one throttling valve connecting at the inlet side of heat exchanger in which liquid refrigerant is vaporized; a refrigerant circuit serially connecting the above elements; refrigerant in the circuit; a source of heat exchange fluid; heat exchange fluid circulating device and heat exchange fluid circuit for circulating the heat exchange fluid in heat exchange relationship with the refrigerant.

Ecker, Amir L. (Dallas, TX)

1982-01-01T23:59:59.000Z