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1

TEMPORARILY ALLOYING TITANIUM TO FACILITATE FRICTION STIR WELDING  

SciTech Connect (OSTI)

While historically hydrogen has been considered an impurity in titanium, when used as a temporary alloying agent it promotes beneficial changes to material properties that increase the hot-workability of the metal. This technique known as thermohydrogen processing was used to temporarily alloy hydrogen with commercially pure titanium sheet as a means of facilitating the friction stir welding process. Specific alloying parameters were developed to increase the overall hydrogen content of the titanium sheet ranging from commercially pure to 30 atomic percent. Each sheet was evaluated to determine the effect of the hydrogen content on process loads and tool deformation during the plunge phase of the friction stir welding process. Two materials, H-13 tool steel and pure tungsten, were used to fabricate friction stir welding tools that were plunged into each of the thermohydrogen processed titanium sheets. Tool wear was characterized and variations in machine loads were quantified for each tool material and weld metal combination. Thermohydrogen processing was shown to beneficially lower plunge forces and stabilize machine torques at specific hydrogen concentrations. The resulting effects of hydrogen addition to titanium metal undergoing the friction stir welding process are compared with modifications in titanium properties documented in modern literature. Such comparative analysis is used to explain the variance in resulting process loads as a function of the initial hydrogen concentration of the titanium.

Hovanski, Yuri

2009-05-06T23:59:59.000Z

2

High power density supercapacitors using locally aligned carbon nanotube electrodes  

E-Print Network [OSTI]

High power density supercapacitors using locally alignedof high power density supercapacitors and other similarcells [6], and for supercapacitors [7–18]. As unique energy

Du, C S; Yeh, J; Pan, Ning

2005-01-01T23:59:59.000Z

3

High Performance Leasing Strategies for State and Local Governments  

Broader source: Energy.gov [DOE]

Presentation for the SEE Action Series: High Performance Leasing Strategies for State and Local Governments webinar, presented on January 26, 2013 as part of the U.S. Department of Energy's Technical Assistance Program (TAP).

4

Numerical Prediction of High-Impact Local Weather: A  

E-Print Network [OSTI]

Chapter 6 Numerical Prediction of High-Impact Local Weather: A Driver for Petascale Computing Ming winds, lightning, hurricanes and winter storms, cause hundreds of deaths and average annual economic of mitigating the impacts of such events on the economy and society is obvious, our ability to do so

Xue, Ming

5

1 Some researchers (see, for example, Saylor 1995) have suggested that illumination may only temporarily render some of the dye  

E-Print Network [OSTI]

temporarily render some of the dye incapable of re-fluorescing. The aspect of reversibility in photo photobleaching, where some dye molecules are rendered incapable of fluorescing after being subjected to laser

Crimaldi, John P.

6

High Energy Cosmic Rays from Local GRBs Armen Atoyan1  

E-Print Network [OSTI]

with energies E between 0.1 - 1 PeV and the energy of the second knee at E2 3 � 1017 eV as originating from. The origin of the ankle in the CR spectrum at Eank 4 � 1018 eV is due to photopair energy losses of UHECRsHigh Energy Cosmic Rays from Local GRBs Armen Atoyan1 and Charles D. Dermer2 1 CRM, Universit´e de

7

Local thermodynamic equilibrium in rapidly heated high energy density plasmas  

SciTech Connect (OSTI)

Emission spectra and the dynamics of high energy density plasmas created by optical and Free Electron Lasers (FELs) depend on the populations of atomic levels. Calculations of plasma emission and ionization may be simplified by assuming Local Thermodynamic Equilibrium (LTE), where populations are given by the Saha-Boltzmann equation. LTE can be achieved at high densities when collisional processes are much more significant than radiative processes, but may not be valid if plasma conditions change rapidly. A collisional-radiative model has been used to calculate the times taken by carbon and iron plasmas to reach LTE at varying densities and heating rates. The effect of different energy deposition methods, as well as Ionization Potential Depression are explored. This work shows regimes in rapidly changing plasmas, such as those created by optical lasers and FELs, where the use of LTE is justified, because timescales for plasma changes are significantly longer than the times needed to achieve an LTE ionization balance.

Aslanyan, V.; Tallents, G. J. [York Plasma Institute, Department of Physics, University of York, Heslington, York YO10 5DD (United Kingdom)

2014-06-15T23:59:59.000Z

8

On-chip high speed localized cooling using superlattice microrefrigerators  

E-Print Network [OSTI]

cooling, microrefrigerators, optoelectronics, superlattice,in high power, high-speed optoelectronics devices, and

Zhang, Y; Christofferson, J; Shakouri, A; Zeng, G H; Bowers, J E; Croke, E T

2006-01-01T23:59:59.000Z

9

Local Option- Property Tax Credit for High Performance Buildings  

Broader source: Energy.gov [DOE]

Similar to Maryland's [http://www.dsireusa.org/library/includes/incentive2.cfm?Incentive_Code=M... Local Option Property Tax Credit for Renewable Energy], Title 9 of Maryland's property tax code...

10

Local random potentials of high differentiability to model the Landscape  

E-Print Network [OSTI]

We generate random functions locally via a novel generalization of Dyson Brownian motion, such that the functions are in a desired differentiability class, while ensuring that the Hessian is a member of the Gaussian orthogonal ensemble (other ensembles might be chosen if desired). Potentials in such higher differentiability classes are required/desirable to model string theoretical landscapes, for instance to compute cosmological perturbations (e.g., smooth first and second derivatives for the power-spectrum) or to search for minima (e.g., suitable de Sitter vacua for our universe). Since potentials are created locally, numerical studies become feasible even if the dimension of field space is large (D ~ 100). In addition to the theoretical prescription, we provide some numerical examples to highlight properties of such potentials; concrete cosmological applications will be discussed in companion publications.

Thorsten Battefeld; Chirag Modi

2014-09-17T23:59:59.000Z

11

Model for local para-Cooperons possibly relevant for high-temperature superconductors  

SciTech Connect (OSTI)

We examine the superconductivity analog of the local paramagnon concept in itinerant magnetism. This local-pairing model involves critical temperatures which are /ital not/ exponential, in contrast with the usual BCS ones. Interesting consequences are expected, in particular concerning the possibility of reaching high superconducting temperatures.

Beal-Monod, M. T.

1989-06-01T23:59:59.000Z

12

Properties of localized, high latitude, dayside aurora H. U. Frey,1  

E-Print Network [OSTI]

Properties of localized, high latitude, dayside aurora H. U. Frey,1 T. J. Immel,1 G. Lu,2 J different type of high latitude aurora, which does not show any signature of precipitating protons. It also causes the aurora. We interpret this aurora as the optical signature of electron precipitation

California at Berkeley, University of

13

Analysis of local warm forming of high strength steel using near infrared ray energy  

SciTech Connect (OSTI)

The automotive industry has been pressed to satisfy more rigorous fuel efficiency requirements to promote energy conservation, safety features and cost containment. To satisfy this need, high strength steel has been developed and used for many different vehicle parts. The use of high strength steels, however, requires careful analysis and creativity in order to accommodate its relatively high springback behavior. An innovative method, called local warm forming with near infrared ray, has been developed to help promote the use of high strength steels in sheet metal forming. For this method, local regions of the work piece are heated using infrared ray energy, thereby promoting the reduction of springback behavior. In this research, a V-bend test is conducted with DP980. After springback, the bend angles for specimens without local heating are compared to those with local heating. Numerical analysis has been performed using the commercial program, DEFORM-2D. This analysis is carried out with the purpose of understanding how changes to the local stress distribution will affect the springback during the unloading process. The results between experimental and computational approaches are evaluated to assure the accuracy of the simulation. Subsequent numerical simulation studies are performed to explore best practices with respect to thermal boundary conditions, timing, and applicability to the production environment.

Yang, W. H., E-mail: whyang21@hyundai.com [Hyundai Motor Company, 700 Yeompo-ro, Buk-Gu, Ulsan, 683-791 (Korea, Republic of); Lee, K., E-mail: klee@deform.co.kr [Solution Lab, 502, 102, Dunsan-daero 117 beon-gil, Seo-Gu, Daejeon, 302-834 (Korea, Republic of); Lee, E. H., E-mail: mtgs2@kaist.ac.kr, E-mail: dyyang@kaist.ac.kr; Yang, D. Y., E-mail: mtgs2@kaist.ac.kr, E-mail: dyyang@kaist.ac.kr [KAIST, Science Town291, Daehak-ro, Yuseong-Gu, Daejeon 305-701 (Korea, Republic of)

2013-12-16T23:59:59.000Z

14

Shafts Temporarily Covered  

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 Administrationcontroller systemsBi (2) SrEvaluatingconstructionSessioneight NewShades of3, 2014

15

LOCAL ENERGY ANALYSIS OF HIGH-CYCLE FATIGUE USING FIELD MEASUREMENTS F. Latourte1  

E-Print Network [OSTI]

, Albuquerque : United States (2009)" #12;The paper is composed as follows: the different terms of the energy an experimental setup developed to locally estimate the terms of the energy balance associated with high cycle during HCF. An improved combined image processing was developed to obtain 2D patterns of energy balances

Boyer, Edmond

16

Why High-Energy Optical Potential can be and should be Considered Local  

E-Print Network [OSTI]

PHYSICAL REVIEW C V OL UM E 1, N UM B E R 3 MARCH &97O Why the High-Energy Optical Potential Can Be and Should Be Considered Local* J. F. READING f' northeastern Vn& ersity, Boston, Massachusetts OZll5 (Received 23 October 1969...-body t matrix which leads directly to a local potential. I. INTRODUCTION l 1HE scattering from a set of E nonoverlapping po- .. tentials s(r ?r;) is completely determined by the single potential phase shifts' or by the on-shell t matrix 1(E, k@', k...

Reading, John F.

1970-01-01T23:59:59.000Z

17

High Energy Cosmic Rays from Local GRBs Armen Atoyan 1 and Charles D. Dermer 2  

E-Print Network [OSTI]

. The origin of the ankle in the CR spectrum at Eank # 4 Ã? 10 18 eV is due to photopair energy losses of UHECRsHigh Energy Cosmic Rays from Local GRBs Armen Atoyan 1 and Charles D. Dermer 2 1 CRM, Universit rays with energies E between # 0.1 - 1 PeV and the energy of the second knee at E2 # 3 Ã? 10 17 e

18

To the Non-Local Theory of the High Temperature Superconductivity  

E-Print Network [OSTI]

The possibility of the non local physics application in the theory of superconductivity is investigated. It is shown that by the superconducting conditions the relay ("estafette") motion of the soliton' system ("attice ion - electron") is realizing by the absence of chemical bonds. From the position of the quantum hydrodynamics the problem of creation of the high temperature superconductors leads to finding of materials which lattices could realize the soliton' motion without destruction. These materials should be created using the technology of quantum dots. Key words: Foundations of the theory of transport processes; The theory of solitons; Generalized hydrodynamic equations; Foundations of quantum mechanics; high temperature superconductivity.

Boris V. Alexeev

2012-01-30T23:59:59.000Z

19

Seasonal dependence of localized, high-latitude dayside aurora H. U. Frey, N. stgaard, and T. J. Immel  

E-Print Network [OSTI]

Seasonal dependence of localized, high-latitude dayside aurora (HiLDA) H. U. Frey, N. Østgaard frequently observes intense ultraviolet (UV) emissions from a localized High Latitude Dayside Aurora (HiLDA) poleward of the general auroral oval location [Frey et al., 2003a]. It has been shown that this aurora

California at Berkeley, University of

20

In situ measurements of Krypton in Xenon gas with a quadrupole mass spectrometer following a cold-trap at a temporarily reduced pumping speed  

E-Print Network [OSTI]

A new method for measuring trace amounts of krypton in xenon using a cold trap with a residual gas analyzer has been developed, which achieves an increased sensitivity by temporarily reducing the pumping speed while expending a minimal amount of xenon. By partially closing a custom built butterfly valve between the measurement chamber and the turbomolecular pump, a sensitivity of 40 ppt has been reached. This method has been tested on an ultra-pure gas sample from Air Liquide with an unknown intrinsic krypton concentration, yielding a krypton concentration of $330 \\pm 200$ ppt.

Ethan Brown; Stephan Rosendahl; Christian Huhmann; Christian Weinheimer; Hans Kettling

2012-12-20T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

High-Dose-Rate Brachytherapy Alone for Localized Prostate Cancer in Patients at Moderate or High Risk of Biochemical Recurrence  

SciTech Connect (OSTI)

Purpose: To evaluate genitourinary (GU) and gastrointestinal (GI) morbidity and biochemical control of disease in patients with localized prostate adenocarcinoma treated with escalating doses per fraction of high-dose rate brachytherapy alone. Methods and Materials: A total of 197 patients were treated with 34 Gy in four fractions, 36 Gy in four fractions, 31.5 Gy in three fractions, or 26 Gy in two fractions. Median follow-up times were 60, 54, 36, and 6 months, respectively. Results: Incidence of early Grade {>=} 3 GU morbidity was 3% to 7%, and Grade 4 was 0% to 4%. During the first 12 weeks, the highest mean International Prostate Symptom Score (IPSS) value was 14, and between 6 months and 5 years it was 8. Grade 3 or 4 early GI morbidity was not observed. The 3-year actuarial rate of Grade 3 GU was 3% to 16%, and was 3% to 7% for strictures requiring surgery (4-year rate). An incidence of 1% Grade 3 GI events was seen at 3 years. Late Grade 4 GU or GI events were not observed. At 3 years, 99% of patients with intermediate-risk and 91% with high-risk disease were free of biochemical relapse (log-rank p = 0.02). Conclusions: There was no significant difference in urinary and rectal morbidity between schedules. Biochemical control of disease in patients with intermediate and high risk of relapse was good.

Hoskin, Peter [Cancer Centre, Mount Vernon Hospital, Northwood, Middlesex (United Kingdom); Rojas, Ana, E-mail: arc03@btconnect.com [Cancer Centre, Mount Vernon Hospital, Northwood, Middlesex (United Kingdom); Lowe, Gerry; Bryant, Linda; Ostler, Peter; Hughes, Rob; Milner, Jessica; Cladd, Helen [Cancer Centre, Mount Vernon Hospital, Northwood, Middlesex (United Kingdom)

2012-03-15T23:59:59.000Z

22

High Speed Localized Cooling using SiGe Superlattice Microrefrigerators Yan Zhang, James Christofferson and Ali Shakouri  

E-Print Network [OSTI]

conductivity and T, absolute temperature. Coefficient of performance (COP) of thermoelectric modules, which is not compatible with standard microprocessor chips. The current smallest thermoelectric micro-modulesHigh Speed Localized Cooling using SiGe Superlattice Microrefrigerators Yan Zhang, James

23

High-Dimensional Gaussian Graphical Model Selection: Walk Summability and Local Separation Criterion  

E-Print Network [OSTI]

transparent. 5. Local vs. Global Conditions for Success:The conditions required for the success of our methods as

Anandkumar, Animashree; Tan, Vincent Y.F.; Huang, Furong; Willsky , Alan S.

2012-01-01T23:59:59.000Z

24

MASSIVE CLUMPS IN LOCAL GALAXIES: COMPARISONS WITH HIGH-REDSHIFT CLUMPS  

SciTech Connect (OSTI)

Local UV-bright galaxies in the Kiso survey include clumpy systems with kiloparsec-size star complexes that resemble clumpy young galaxies in surveys at high redshift. We compare clump masses and underlying disks in several dozen galaxies from each of these surveys to the star complexes and disks of normal spirals. Photometry and spectroscopy for the Kiso and spiral sample come from the Sloan Digital Sky Survey. We find that the largest Kiso clumpy galaxies resemble Ultra Deep Field (UDF) clumpies in terms of the star formation rates, clump masses, and clump surface densities. Clump masses and surface densities in normal spirals are smaller. If the clump masses are proportional to the turbulent Jeans mass in the interstellar medium, then for the most luminous galaxies in the sequence of normal:Kiso:UDF, the turbulent speeds and surface densities increase in the proportions 1.0:4.7:5.0 and 1.0:4.0:5.1, respectively, for fixed restframe B-band absolute magnitude. For the least luminous galaxies in the overlapping magnitude range, the turbulent speed and surface density trends are 1.0:2.7:7.4 and 1.0:1.4:3.0, respectively. We also find that while all three types have radially decreasing disk intensities when measured with ellipse-fit azimuthal averages, the average profiles are more irregular for UDF clumpies (which are viewed in their restframe UV) than for Kiso galaxies (viewed at g-band), and major axis intensity scans are even more irregular for the UDF than Kiso galaxies. Local clumpy galaxies in the Kiso survey appear to be intermediate between UDF clumpies and normal spirals.

Elmegreen, Bruce G. [IBM Research Division, T. J. Watson Research Center, Yorktown Hts., NY 10598 (United States); Elmegreen, Debra Meloy; Dewberry, J.; Putko, J.; Teich, Y.; Popinchalk, M. [Vassar College, Dept. of Physics and Astronomy, Poughkeepsie, NY 12604 (United States); Sanchez Almeida, J.; Munoz-Tunon, C. [Instituto de Astrof'sica de Canarias, C/via Lactea, s/n, E-38205, La Laguna, Tenerife (Spain)

2013-09-01T23:59:59.000Z

25

High-power ELF radiation generated by modulated HF heating of the ionosphere can cause Earthquakes, Cyclones and localized heating  

E-Print Network [OSTI]

High-power ELF radiation generated by modulated HF heating of the ionosphere can cause Earthquakes, the HAARP heater is the most powerful ionospheric heater, with 3.6GW of effective power using HF heating, Cyclones and localized heating Fran De Aquino Maranhao State University, Physics Department, S

Paris-Sud XI, Université de

26

Identifying Men Diagnosed With Clinically Localized Prostate Cancer Who are at High Risk for Death From Prostate Cancer  

E-Print Network [OSTI]

Identifying Men Diagnosed With Clinically Localized Prostate Cancer Who are at High Risk for Death From Prostate Cancer Anthony V. D'Amico,* Ming Hui-Chen, Andrew A. Renshaw, Brenda Sussman, Kimberly A), Brigham and Women's Hospital and Dana Farber Cancer Institute, Boston, Massachusetts, Department

Chen, Ming-Hui

27

Non-local Higgs actions: Tree-level electroweak constraints and high-energy unitarity  

E-Print Network [OSTI]

We consider electroweak symmetry breaking by a certain class of non-local Higgs sectors. Extending previous studies employing the Mandelstam condition, a straight Wilson line is used to make the Higgs action gauge invariant. We show the unitarization of vector-boson scattering for a wide class of non-local actions, but find that the Wilson-line model leads to tree-level corrections to electroweak precision observables, which restrict the parameter space of the model. We also find that Unhiggs models cannot address the hierarchy problem, once the parameters are expressed in terms of low-energy observables.

M. Beneke; P. Knechtges; A. Mück

2011-08-09T23:59:59.000Z

28

Method for formation of high quality back contact with screen-printed local back surface field  

DOE Patents [OSTI]

A thin silicon solar cell having a back dielectric passivation and rear contact with local back surface field is described. Specifically, the solar cell may be fabricated from a crystalline silicon wafer having a thickness from 50 to 500 micrometers. A barrier layer and a dielectric layer are applied at least to the back surface of the silicon wafer to protect the silicon wafer from deformation when the rear contact is formed. At least one opening is made to the dielectric layer. An aluminum contact that provides a back surface field is formed in the opening and on the dielectric layer. The aluminum contact may be applied by screen printing an aluminum paste having from one to 12 atomic percent silicon and then applying a heat treatment at 750 degrees Celsius.

Rohatgi, Ajeet (Marietta, GA); Meemongkolkiat, Vichai (Atlanta, GA)

2010-11-30T23:59:59.000Z

29

Collaborative multi-vehicle localization and mapping in high clutter environments  

E-Print Network [OSTI]

Among today's robotics applications, exploration missions in dynamic, high clutter and uncertain environmental conditions is quite common. Autonomous multi-vehicle systems come in handy for such exploration missions since ...

Moratuwage, M. D. P.

30

High Latitude, Translucent Molecular Clouds as Probes of Local Cosmic Rays  

E-Print Network [OSTI]

We analyze the gamma-ray emission from 9 high latitude, translucent molecular clouds taken with the Fermi Large Area Telescope (LAT) between 250 MeV and 10 GeV. Observations of gamma-rays allow us to probe the density and spectrum of cosmic rays in the solar neighborhood. The clouds studied lie within $\\sim\\!$270 pc from the Sun and are selected from the Planck all-sky CO map. Gamma-rays in this energy range mostly result from cosmic ray interactions with the interstellar medium, which is traced with three components: HI, CO, and dark gas. Every cloud is detected and shows significant, extended gamma-ray emission from molecular gas. The gamma-ray emission is dominated by the CO-emitting gas in some clouds, but by the CO-dark gas in others. The average emissivity and gamma-ray power law index from HI above 1 GeV shows no evidence of a systematic variation. The CO-to-H$_2$ conversion factor shows no variation between clouds over this small spatial range, but shows significant variations within each cloud. The a...

Abrahams, R D

2015-01-01T23:59:59.000Z

31

High-Dose-Rate Interstitial Brachytherapy as Monotherapy for Clinically Localized Prostate Cancer: Treatment Evolution and Mature Results  

SciTech Connect (OSTI)

Purpose: To report the clinical outcome of high-dose-rate (HDR) interstitial (IRT) brachytherapy (BRT) as sole treatment (monotherapy) for clinically localized prostate cancer. Methods and Materials: Between January 2002 and December 2009, 718 consecutive patients with clinically localized prostate cancer were treated with transrectal ultrasound (TRUS)-guided HDR monotherapy. Three treatment protocols were applied; 141 patients received 38.0 Gy using one implant in 4 fractions of 9.5 Gy with computed tomography-based treatment planning; 351 patients received 38.0 Gy in 4 fractions of 9.5 Gy, using 2 implants (2 weeks apart) and intraoperative TRUS real-time treatment planning; and 226 patients received 34.5 Gy, using 3 single-fraction implants of 11.5 Gy (3 weeks apart) and intraoperative TRUS real-time treatment planning. Biochemical failure was defined according to the Phoenix consensus, and toxicity was evaluated using Common Toxicity Criteria for Adverse Events version 3. Results: The median follow-up time was 52.8 months. The 36-, 60-, and 96-month biochemical control and metastasis-free survival rates for the entire cohort were 97%, 94%, and 90% and 99%, 98%, and 97%, respectively. Toxicity was scored per event, with 5.4% acute grade 3 genitourinary and 0.2% acute grade 3 gastrointestinal toxicity. Late grade 3 genitourinary and gastrointestinal toxicities were 3.5% and 1.6%, respectively. Two patients developed grade 4 incontinence. No other instance of grade 4 or greater acute or late toxicity was reported. Conclusion: Our results confirm IRT-HDR-BRT is safe and effective as monotherapy for clinically localized prostate cancer.

Zamboglou, Nikolaos [Department of Radiation Oncology, Klinikum Offenbach, Offenbach (Germany)] [Department of Radiation Oncology, Klinikum Offenbach, Offenbach (Germany); Tselis, Nikolaos, E-mail: ntselis@hotmail.com [Department of Radiation Oncology, Klinikum Offenbach, Offenbach (Germany)] [Department of Radiation Oncology, Klinikum Offenbach, Offenbach (Germany); Baltas, Dimos [Department of Medical Physics and Engineering, Klinikum Offenbach, Offenbach (Germany)] [Department of Medical Physics and Engineering, Klinikum Offenbach, Offenbach (Germany); Buhleier, Thomas [Department of Radiation Oncology, Klinikum Offenbach, Offenbach (Germany)] [Department of Radiation Oncology, Klinikum Offenbach, Offenbach (Germany); Martin, Thomas [Department of Radiation Oncology, Klinikum Bremen-Mitte, Bremen (Germany)] [Department of Radiation Oncology, Klinikum Bremen-Mitte, Bremen (Germany); Milickovic, Natasa; Papaioannou, Sokratis [Department of Medical Physics and Engineering, Klinikum Offenbach, Offenbach (Germany)] [Department of Medical Physics and Engineering, Klinikum Offenbach, Offenbach (Germany); Ackermann, Hanns [Institute of Biostatistics, J.W. Goethe University of Frankfurt, Frankfurt (Germany)] [Institute of Biostatistics, J.W. Goethe University of Frankfurt, Frankfurt (Germany); Tunn, Ulf W. [Department of Urology, Klinikum Offenbach, Offenbach (Germany)] [Department of Urology, Klinikum Offenbach, Offenbach (Germany)

2013-03-01T23:59:59.000Z

32

Local transport in Joint European Tokamak edge-localized, high-confinement mode plasmas with H, D, DT, and T isotopes  

E-Print Network [OSTI]

-mode and the scaling of the global thermal energy confinement time, E .4 Large extrapolations of the energy confinement- mated using the total electron number, Ne and the total ther- mal energy, Wth , i.e., * AWth /(NeB), Wth and plasma current varied together in H, D, DT, and T isotopes. The local energy transport in more than fifty

Budny, Robert

33

Diffusion Synthetic Acceleration for High-Order Discontinuous Finite Element SN Transport Schemes and Application to Locally Refined Unstructured Meshes  

SciTech Connect (OSTI)

Diffusion synthetic acceleration (DSA) schemes compatible with adaptive mesh refinement (AMR) grids are derived for the SN transport equations discretized using high-order discontinuous finite elements. These schemes are directly obtained from the discretized transport equations by assuming a linear dependence in angle of the angular flux along with an exact Fick's law and, therefore, are categorized as partially consistent. These schemes are akin to the symmetric interior penalty technique applied to elliptic problems and are all based on a second-order discontinuous finite element discretization of a diffusion equation (as opposed to a mixed or P1 formulation). Therefore, they only have the scalar flux as unknowns. A Fourier analysis has been carried out to determine the convergence properties of the three proposed DSA schemes for various cell optical thicknesses and aspect ratios. Out of the three DSA schemes derived, the modified interior penalty (MIP) scheme is stable and effective for realistic problems, even with distorted elements, but loses effectiveness for some highly heterogeneous configurations. The MIP scheme is also symmetric positive definite and can be solved efficiently with a preconditioned conjugate gradient method. Its implementation in an AMR SN transport code has been performed for both source iteration and GMRes-based transport solves, with polynomial orders up to 4. Numerical results are provided and show good agreement with the Fourier analysis results. Results on AMR grids demonstrate that the cost of DSA can be kept low on locally refined meshes.

Yaqi Wang; Jean C. Ragusa

2011-10-01T23:59:59.000Z

34

A Catalog of Ultra-compact High Velocity Clouds from the ALFALFA Survey: Local Group Galaxy Candidates?  

E-Print Network [OSTI]

We present a catalog of 59 ultra-compact high velocity clouds (UCHVCs) extracted from the 40% complete ALFALFA HI-line survey. The ALFALFA UCHVCs have median flux densities of 1.34 Jy km/s, median angular diameters of 10', and median velocity widths of 23 km/s. We show that the full UCHVC population cannot easily be associated with known populations of high velocity clouds. Of the 59 clouds presented here, only 11 are also present in the compact cloud catalog extracted from the commensal GALFA-HI survey, demonstrating the utility of this separate dataset and analysis. Based on their sky distribution and observed properties, we infer that the ALFALFA UCHVCs are consistent with the hypothesis that they may be very low mass galaxies within the Local Volume. In that case, most of their baryons would be in the form of gas, and because of their low stellar content, they remain unidentified by extant optical surveys. At distances of ~1 Mpc, the UCHVCs have neutral hydrogen (HI) masses of ~10^5 -10^6 M_sun, HI diamet...

Adams, Elizabeth A K; Haynes, Martha P

2013-01-01T23:59:59.000Z

35

Modeling high-pressure adsorption of gas mixtures on activated carbon and coal using a simplified local-density model  

SciTech Connect (OSTI)

The simplified local-density (SLD) theory was investigated regarding its ability to provide accurate representations and predictions of high-pressure supercritical adsorption isotherms encountered in coalbed methane (CBM) recovery and CO{sub 2} sequestration. Attention was focused on the ability of the SLD theory to predict mixed-gas adsorption solely on the basis of information from pure gas isotherms using a modified Peng-Robinson (PR) equation of state (EOS). An extensive set of high-pressure adsorption measurements was used in this evaluation. These measurements included pure and binary mixture adsorption measurements for several gas compositions up to 14 MPa for Calgon F-400 activated carbon and three water-moistened coals. Also included were ternary measurements for the activated carbon and one coal. For the adsorption of methane, nitrogen, and CO{sub 2} on dry activated carbon, the SLD-PR can predict the component mixture adsorption within about 2.2 times the experimental uncertainty on average solely on the basis of pure-component adsorption isotherms. For the adsorption of methane, nitrogen, and CO{sub 2} on two of the three wet coals, the SLD-PR model can predict the component adsorption within the experimental uncertainties on average for all feed fractions (nominally molar compositions of 20/80, 40/60, 60/40, and 80/20) of the three binary gas mixture combinations, although predictions for some specific feed fractions are outside of their experimental uncertainties.

Fitzgerald, J.E.; Robinson, R.L.; Gasem, K.A.M. [Oklahoma State University, Stillwater, OK (United States). School of Chemical Engineering

2006-11-07T23:59:59.000Z

36

The Search for High Energy Extended Emission by Fermi-LAT from Swift-Localized Gamma-Ray Bursts  

SciTech Connect (OSTI)

The brighter Fermi-LAT bursts have exhibited emission at energies >0.1 GeV that persists as late as {approx}2 ks after the prompt phase has nominally ended. This so-called 'extended emission' could arise from continued activity of the prompt burst mechanism or it could be the start of a high energy afterglow component. The high energy extended emission seen by the LAT has typically followed a t{sup -}{gamma} power-law temporal decay where {gamma} {approx} 1.2-1.7 and has shown no strong indication of spectral evolution. In contrast, the prompt burst emission generally displays strong spectral variability and more complex temporal changes in the LAT band. This differing behavior suggests that the extended emission likely corresponds to an early afterglow phase produced by an external shock. In this study, we look for evidence of high energy extended emission from 145 Swift-localized GRBs that have occurred since the launch of Fermi. A majority of these bursts were either outside of the LAT field-of-view or were otherwise not detected by the LAT during the prompt phase. However, because of the scanning operation of the Fermi satellite, the long-lived extended emission of these bursts may be detectable in the LAT data on the {approx}few ks time scale. We will look for emission from individual bursts and will perform a stacking analysis in order to set bounds on this emission for the sample as a whole. The detection of such emission would have implications for afterglow models and for the overall energy budget of GRBs.

Chiang, J.; /Stanford U., HEPL /SLAC; Racusin, J.L.; /NASA, Goddard

2012-05-01T23:59:59.000Z

37

The Influence of Prostate Volume on Outcome After High-Dose-Rate Brachytherapy Alone for Localized Prostate Cancer  

SciTech Connect (OSTI)

Objective: To determine whether late genitourinary toxicity, biochemical control of prostate cancer, and dosimetric parameters in patients with large prostate glands is different from those variables in men with smaller glands after treatment with high-dose-rate brachytherapy alone (HDR-BT). Methods: From November 2003 to July 2009, 164 patients with locally advanced prostate carcinoma were sequentially enrolled and treated with 34 or 36 Gy in 4 fractions and 31.5 Gy in 3 fractions of {sup 192}Ir HDR-BT alone. The median follow-up time was 71 months. Gland size was not considered in the selection criteria for this study. Estimates of freedom from biochemical relapse (FFbR) and late morbidity, stratified by median clinical target volume (CTV), were obtained, and differences were compared. Results: The median CTV volume was 60 cc (range, 15-208 cc). Dose–volume parameters D90 and V100 (ie, minimum dose to 90% of the prostate volume and volume receiving 100% of the prescribed isodose) achieved in patients with glands ?60 cc were not significantly different from those with glands <60 cc (P?.2). Nonetheless, biochemical control in patients with larger CTV was significantly higher (91% vs 78% at 6 years; P=.004). In univariate and multivariate analysis, CTV was a significant predictor for risk of biochemical relapse. This was not at the expense of an increase in either moderate (P=.6) or severe (P=.3) late genitourinary toxicity. The use of hormonal therapy was 17% lower in the large gland group (P=.01). Conclusions: Prostate gland size does not affect dosimetric parameters in HDR-BT assessed by D90 and V100. In patients with larger glands, a significantly higher biochemical control of disease was observed, with no difference in late toxicity. This improvement cannot be attributed to differences in dosimetry. Gland size should not be considered in the selection of patients for HDR-BT.

Le, Hien, E-mail: hien.le@health.sa.gov.au; Rojas, Ana; Alonzi, Roberto; Hughes, Robert; Ostler, Peter; Lowe, Gerry; Bryant, Linda; Hoskin, Peter

2013-10-01T23:59:59.000Z

38

DUST ATTENUATION IN UV-SELECTED STARBURSTS AT HIGH REDSHIFT AND THEIR LOCAL COUNTERPARTS: IMPLICATIONS FOR THE COSMIC STAR FORMATION RATE DENSITY  

SciTech Connect (OSTI)

We present a new analysis of the dust obscuration in starburst galaxies at low and high redshifts. This study is motivated by our unique sample of the most extreme UV-selected starburst galaxies in the nearby universe (z < 0.3), found to be good analogs of high-redshift Lyman break galaxies (LBGs) in most of their physical properties. We find that the dust properties of the Lyman break analogs (LBAs) are consistent with the relation derived previously by Meurer et al. (M99) that is commonly used to dust-correct star formation rate (SFR) measurements at a very wide range of redshifts. We directly compare our results with high-redshift samples (LBGs, 'BzK', and submillimeter galaxies at z {approx} 2-3) having IR data either from Spitzer or Herschel. The attenuation in typical LBGs at z {approx} 2-3 and LBAs is very similar. Because LBAs are much better analogs to LBGs compared to previous local star-forming samples, including M99, the practice of dust-correcting the SFRs of high-redshift galaxies based on the local calibration is now placed on a much more solid ground. We illustrate the importance of this result by showing how the locally calibrated relation between UV measurements and extinction is used to estimate the integrated, dust-corrected SFR density at z {approx_equal} 2-6.

Overzier, Roderik A.; Wang Jing [Max-Planck-Institut for Astrophysics, D-85748 Garching (Germany); Heckman, Timothy M. [Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218 (United States); Armus, Lee; Howell, Justin [Spitzer Science Center, Caltech, MS 220-6, Pasadena, CA 91125 (United States); Buat, Veronique [Laboratoire d'Astrophysique de Marseille, OAMP, Universite Aix-marseille, CNRS, 38 rue Frederic Joliot-Curie, 13388 Marseille Cedex 13 (France); Meurer, Gerhardt [ICRAR/University of Western Australia, 35 Stirling Highway, Crawley, WA 6009 (Australia); Seibert, Mark [Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101 (United States); Siana, Brian; Goncalves, Thiago S.; Martin, D. Christopher; Neill, James D. [California Institute of Technology, MS 249-17, Pasadena, CA 91125 (United States); Basu-Zych, Antara [NASA Goddard Space Flight Center, Laboratory for X-ray Astrophysics, Greenbelt, MD 20771 (United States); Charlot, Stephane [PMC Univ Paris 06, UMR7095, Institut d'Astrophysique de Paris, F-75014 Paris (France); Rich, R. Michael [Department of Physics and Astronomy, Division of Astronomy and Astrophysics, University of California, Los Angeles, CA 90095-1562 (United States); Salim, Samir [National Optical Astronomical Observatories, 950 N. Cherry Avenue, Tucson, AZ 85719 (United States); Schiminovich, David, E-mail: overzier@mpa-garching.mpg.de [Department of Astronomy, Columbia University, MC 2457, 550 West 120th Street, New York, NY 10027 (United States)

2011-01-01T23:59:59.000Z

39

Integral Field Spectroscopy based H\\alpha\\ sizes of local Luminous and Ultraluminous Infrared Galaxies. A Direct Comparison with high-z Massive Star Forming Galaxies  

E-Print Network [OSTI]

Aims. We study the analogy between local U/LIRGs and high-z massive SFGs by comparing basic H{\\alpha} structural characteristics, like size, luminosity and Star Formation Rate (SFR) surface density, in an homogeneous way (i.e. same tracer and size definition, similar physical scales). Methods. We use Integral Field Spectroscopy based H{\\alpha} emission maps for a representative sample of 54 local U/LIRGs (66 galaxies). From this initial sample we select 26 objects with H{\\alpha} luminosities (L(H{\\alpha})) similar to those of massive (i.e. M\\ast \\sim 10^10 M\\odot or larger) SFGs at z \\sim 2, and probing similar physical scales. Results. The sizes of the H{\\alpha} emitting region in the sample of local U/LIRGs span a large range, with r1/2(H{\\alpha}) from 0.2 to 7 kpc. However, about 2/3 of local U/LIRGs with Lir > 10^11.4 L\\odot have compact H{\\alpha} emission (i.e. r1/2 2 kpc). These are systems showing pre-coalescence merger activity and they are indistinguishable from the massive high-z SFGs galaxies in t...

Arribas, S; Alonso-Herrero, A; Rosales-Ortega, F F; Monreal-Ibero, A; García-Marín, M; García-Burillo, S; Rodríguez-Zaurín, J

2012-01-01T23:59:59.000Z

40

Studies of local and intermediate range structure in crystalline and amorphouse materials at high pressure using high-energy x-rays.  

SciTech Connect (OSTI)

The method of high-energy total elastic X-ray scattering to determine the atomic structure of nanocrystalline, highly disordered, and amorphous materials is presented. The current state of the technique, its potential, and limitations are discussed with two successful studies on the pressure induced phase transition in mackinawite (FeS) and the high-pressure behavior of liquid gallium.

Ehm, L.; Antao, M.; Chen, J.; Locke, D. R.; Michel, F. M.; Martin, C. D.; Yu, T.; Lee, P. L.; Chupas, P. J.; Shastri, S. D.; Guo, Q.; Parise, J. B.; Stony Brook Univ.; BNL

2007-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

Studies of Local and Intermediate Range Structure in Crystalline and Amorphous Materials at High Pressure Using High-Energy X-rays  

SciTech Connect (OSTI)

The method of high-energy total elastic X-ray scattering to determine the atomic structure of nanocrystalline, highly disordered, and amorphous materials is presented. The current state of the technique, its potential, and limitations are discussed with two successful studies on the pressure induced phase transition in mackinawite (FeS) and the high-pressure behavior of liquid gallium.

Ehm,L.; Antao, S.; Chen, J.; Locke, D.; Michel, F.; Martin, D.; Yu, T.; Parise, J.; Lee, P.; et al.

2007-01-01T23:59:59.000Z

42

Reduction of Edge Localized Mode Intensity on DIII-D by On-demand triggering with High Frequency Pellet Injection and Implications for ITER  

SciTech Connect (OSTI)

The injection of small deuterium pellets at high repetition rates up to 12 the natural edge localized mode (ELM) frequency has been used to trigger high-frequency ELMs in otherwise low natural ELM frequency H-mode deuterium discharges in the DIII-D tokamak [J. L. Luxon and L. G. Davis, Fusion Technol. 8, 441 (1985)]. The resulting pellet-triggered ELMs result in up to 12 lower energy and particle fluxes to the divertor than the natural ELMs. The plasma global energy confinement and density are not strongly affected by the pellet perturbations. The plasma core impurity density is strongly reduced with the application of the pellets. These experiments were performed with pellets injected from the low field side pellet in plasmas designed to match the ITER baseline configuration in shape and normalized operation with input heating power just above the H-mode power threshold. Nonlinear MHD simulations of the injected pellets show that destabilization of ballooning modes by a local pressure perturbation is responsible for the pellet ELM triggering. This strongly reduced ELM intensity shows promise for exploitation in ITER to control ELM size while maintaining high plasma purity and performance.

Baylor, Larry R [ORNL; Commaux, Nicolas JC [ORNL; Jernigan, T. C. [Oak Ridge National Laboratory (ORNL); Meitner, Steven J [ORNL; Combs, Stephen Kirk [ORNL; Isler, Ralph C [ORNL; Unterberg, Ezekial A [ORNL; Brooks, N. H. [General Atomics, San Diego; Evans, T.E. [General Atomics, San Diego; Leonard, A. W. [General Atomics; Osborne, T. H. [General Atomics; Parks, P. B. [General Atomics; Snyder, P. B. [General Atomics; Strait, E. J. [General Atomics; Fenstermacher, M. E. [Lawrence Livermore National Laboratory (LLNL); Lasnier, C. J. [Lawrence Livermore National Laboratory (LLNL); Moyer, R.A. [University of California, San Diego; Loarte, A. [ITER Organization, Cadarache, France; Huijsmans, G.T.A. [ITER Organization, Saint Paul Lez Durance, France; Futantani, S. [ITER Organization, Saint Paul Lez Durance, France

2013-01-01T23:59:59.000Z

43

Reduction of edge localized mode intensity on DIII-D by on-demand triggering with high frequency pellet injection and implications for ITER  

SciTech Connect (OSTI)

The injection of small deuterium pellets at high repetition rates up to 12× the natural edge localized mode (ELM) frequency has been used to trigger high-frequency ELMs in otherwise low natural ELM frequency H-mode deuterium discharges in the DIII-D tokamak [J. L. Luxon and L. G. Davis, Fusion Technol. 8, 441 (1985)]. The resulting pellet-triggered ELMs result in up to 12× lower energy and particle fluxes to the divertor than the natural ELMs. The plasma global energy confinement and density are not strongly affected by the pellet perturbations. The plasma core impurity density is strongly reduced with the application of the pellets. These experiments were performed with pellets injected from the low field side pellet in plasmas designed to match the ITER baseline configuration in shape and normalized ? operation with input heating power just above the H-mode power threshold. Nonlinear MHD simulations of the injected pellets show that destabilization of ballooning modes by a local pressure perturbation is responsible for the pellet ELM triggering. This strongly reduced ELM intensity shows promise for exploitation in ITER to control ELM size while maintaining high plasma purity and performance.

Baylor, L. R.; Commaux, N.; Jernigan, T. C.; Meitner, S. J.; Combs, S. K.; Isler, R. C.; Unterberg, E. A. [Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, Tennessee 37830-6169 (United States)] [Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, Tennessee 37830-6169 (United States); Brooks, N. H.; Evans, T. E.; Leonard, A. W.; Osborne, T. H.; Parks, P. B.; Snyder, P. B.; Strait, E. J. [General Atomics, PO Box 85608, San Diego, California 92186-5608 (United States)] [General Atomics, PO Box 85608, San Diego, California 92186-5608 (United States); Fenstermacher, M. E.; Lasnier, C. J. [Lawrence Livermore National Laboratory, 700 East Ave, Livermore, California 94550 (United States)] [Lawrence Livermore National Laboratory, 700 East Ave, Livermore, California 94550 (United States); Moyer, R. A. [University of California San Diego, 9500 Gilman Dr., La Jolla, California 92093-0417 (United States)] [University of California San Diego, 9500 Gilman Dr., La Jolla, California 92093-0417 (United States); Loarte, A.; Huijsmans, G. T. A.; Futatani, S. [ITER Organization, Route de Vinon sur Verdon, 13115 St. Paul Lez Durance (France)] [ITER Organization, Route de Vinon sur Verdon, 13115 St. Paul Lez Durance (France)

2013-08-15T23:59:59.000Z

44

Drifting localization of ionization runaway: Unraveling the nature of anomalous transport in high power impulse magnetron sputtering  

SciTech Connect (OSTI)

The plasma over the magnetron’s erosion “racetrack” is not azimuthally uniform but concentrated in distinct dense plasma zones which move in the {vector E}×{vector B} direction with about 10% of the electrons’ {vector E}×{vector B}/B{sup 2} drift velocity. The plasma zones are investigated with a gated camera working in concert with a streak camera for Al, Nb, Cu, and W targets in Ar or Kr background gas. It is found that each plasma zone has a high density edge which is the origin of a plasma-generating electron jet leaving the target zone. Each region of strong azimuthal density gradient generates an azimuthal electric field which promotes the escape of magnetized electrons and the formation of electron jets and plasma flares. The phenomena are proposed to be caused by an ionization instability where each dense plasma zone exhibits a high stopping power for drifting high energy electrons, thereby enhancing itself.

Ni, Pavel; Rauch, Albert

2011-12-04T23:59:59.000Z

45

A new 3D parallel high resolution electromagnetic nonlinear inversion based on new global magnetic integral and local differential decomposition (GILD)  

SciTech Connect (OSTI)

A new 3D electromagnetic modeling and nonlinear inversion algorithm is presented based on global integral and local differential equations decomposition (GILD). The GILD parallel nonlinear inversion algorithm consists of five parts: (1) the domain is decomposed into subdomain SI and subdomain SII; (2) a new global magnetic integral equation in SI and the local magnetic differential equations IN SII will be used together to obtain the magnetic field in the modeling step; (3) the new global magnetic integral Jacobian equation in SI and the local magnetic differential Jacobian equations in SII will be used together to update the electric conductivity and permittivity from the magnetic field data in the inversion step; (4) the subdomain SII can naturally and uniformly be decomposed into 2{sup n} smaller sub-cubic-domains; the sparse matrix in each sub-cubic-domain can be eliminated separately, in parallel; (5) a new parallel multiple hierarchy substructure algorithm will be used to solve the smaller full matrices in SI, in parallel. The applications of the new 3D parallel GILD EM modeling and nonlinear inversion algorithm and software are: (1) to create high resolution controlled-source electric conductivity and permittivity imaging for interpreting electromagnetic field data acquired from cross hole, surface to borehole, surface to surface, single hole, and multiple holes; (2) to create the magnetotelluric high resolution imaging from the surface impedance and field data. The new GILD parallel nonlinear inversion will be a 3D/2.5D powerful imaging tool for the oil geophysical exploration and environmental remediation and monitoring.

Xie, G.; Li, J. [Lawrence Berkeley National Lab., CA (United States). Earth Sciences Div.

1997-05-01T23:59:59.000Z

46

Trade-off between morphology, extended defects, and compositional fluctuation induced carrier localization in high In-content InGaN films  

SciTech Connect (OSTI)

We elucidate the role of growth parameters (III/N flux ratio, temperature T{sub G}) on the morphological and structural properties, as well as compositional homogeneity and carrier localization effects of high In-content (x(In)?>?0.75) In–polar InGaN films grown by plasma–assisted molecular beam epitaxy (PAMBE). Variations in III/N flux ratio evidence that higher excess of In yields higher threading dislocation densities as well as larger compositional inhomogeneity as measured by x-ray diffraction. Most interestingly, by variation of growth temperature T{sub G} we find a significant trade-off between improved morphological quality and compositional homogeneity at low–T{sub G} (?450–550?°C) versus improved threading dislocation densities at high–T{sub G} (?600–630?°C), as exemplified for InGaN films with x(In)?=?0.9. The enhanced compositional homogeneity mediated by low–T{sub G} growth is confirmed by systematic temperature-dependent photoluminescence (PL) spectroscopy data, such as lower PL peakwidths, >5× higher PL efficiency (less temperature-induced quenching) and a distinctly different temperature-dependent S-shape behavior of the PL peak energy. From these, we find that the carrier localization energy is as low as ?20?meV for low–T{sub G} grown films (T{sub G}?=?550?°C), while it rises to ?70?meV for high–T{sub G} grown films (T{sub G}?=?630?°C) right below the onset of In–N dissociation. These findings point out that for the kinetically limited metal-rich PAMBE growth of high In-content InGaN a III/N flux ratio of ?1 and low-to-intermediate T{sub G} are required to realize optically more efficient materials.

Ju, James; Loitsch, Bernhard; Stettner, Thomas; Schuster, Fabian; Stutzmann, Martin; Koblmüller, Gregor, E-mail: Gregor.Koblmueller@wsi.tum.de [Walter Schottky Institut and Physik Department, Technische Universität München, Garching 85748 (Germany)

2014-08-07T23:59:59.000Z

47

Local Cohomology  

E-Print Network [OSTI]

ian there is t(a) 2N :(. p. a)t(a) ...... ian local A-algebra (B;n) over a Noetherian local ring (A;m) such that for ...... Since in the above displayed sequence= R1,.

48

High magnetic field studies of charged exciton localization in GaAs/Al{sub x}Ga{sub 1?x}As quantum wells  

SciTech Connect (OSTI)

We report on low temperature, polarization resolved, high magnetic field (up to 23?T) photoluminescence experiments on high mobility asymmetric GaAs quantum wells. At high magnetic fields, we detect two strong emission lines of the neutral and positively charged excitons (X and X{sup +}) and a series of weaker lines of the excitons bound to ionized acceptors (AX{sup ?}). From polarization energy splittings of these lines, we determine the hole Landé factors (g{sub h}) of different complexes. For X and X{sup +}, g{sub h} initially grows with magnetic field and then saturates at g{sub h}?=?0.88 and 1.55, respectively; for AX{sup ?}'s, g{sub h} begins from a high value (from 6 to 11 at zero field) and decreases with the field growth. This contrasting behavior is traced to the structure of valence band Landau levels, calculated numerically in the Luttinger model, beyond axial approximation. This points to the coexistence (in the same well) of mobile X and X{sup +} with localized and interface-pressed AX{sup ?} states.

Jadczak, J.; Bryja, L., E-mail: leszek.bryja@pwr.edu.pl; Ryczko, K.; Kubisa, M.; Wójs, A. [Institute of Physics, Wroc?aw University of Technology, 50-370 Wroclaw (Poland); Potemski, M. [Laboratoire National des Champs Magnétiques Intenses, CNRS-UJF-UPS-INSA, Grenoble (France); Liu, F. [Experimentelle Physik 2, Technische Universität Dortmund, D-44221 Dortmund (Germany); Yakovlev, D. R.; Bayer, M. [Experimentelle Physik 2, Technische Universität Dortmund, D-44221 Dortmund (Germany); Ioffe Physical-Technical Institute, Russian Academy of Sciences, 194021 St. Petersburg (Russian Federation); Nicoll, C. A.; Farrer, I.; Ritchie, D. A. [Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge, CB3 OHE (United Kingdom)

2014-09-15T23:59:59.000Z

49

Classical dynamics and localization of resonances in the high energy region of the hydrogen atom in crossed fields  

E-Print Network [OSTI]

When superimposing the potentials of external fields on the Coulomb potential of the hydrogen atom a saddle point appears, which is called the Stark saddle point. For energies slightly above the saddle point energy one can find classical orbits, which are located in the vicinity of this point. We follow those so-called quasi-Penning orbits to high energies and field strengths observing structural changes and uncovering their bifurcation behavior. By plotting the stability behavior of those orbits against energy and field strength the appearance of a stability apex is reported. A cusp bifurcation, located in the vicinity of the apex, will be investigated in detail. In this cusp bifurcation another orbit of similar shape is found, which becomes completely stable in the observed region of positive energy, i.e., in a region of parameter space, where the Kepler-like orbits located around the nucleus are already unstable. By quantum-mechanically exact calculations we prove the existence of signatures in quantum spectra belonging to those orbits. Husimi distributions are used to compare quantum-Poincar\\'e sections with the extension of the classical torus structure around the orbits. Since periodic orbit theory predicts that each classical periodic orbit contributes an oscillating term to photoabsorption spectra, we finally give an estimation for future experiments, which could verify the existence of the stable orbits.

Frank Schweiner; Jörg Main; Holger Cartarius; Günter Wunner

2014-12-10T23:59:59.000Z

50

Feasibility of high-dose-rate brachytherapy salvage for local prostate cancer recurrence after radiotherapy: University of California-San Francisco experience  

SciTech Connect (OSTI)

Purpose: The aim of this study was to evaluate the feasibility and safety of salvage high-dose-rate (HDR) brachytherapy for locally recurrent prostate cancer after external beam radiotherapy (EBRT). Methods and Materials: We retrospectively analyzed 21 consecutively accrued patients undergoing salvage HDR brachytherapy for locally recurrent prostate cancer after EBRT between November 1998 and December 2005. After pathologic confirmation of locally recurrent disease, all patients were treated with 36 Gy in six fractions using two transrectal ultrasound-guided HDR prostate implants, separated by 1 week. Eleven patients received neoadjuvant hormonal therapy immediately presalvage, whereas none received adjuvant hormonal therapy postsalvage. Median follow-up time from recurrence was 18.7 months (range, 6-84 months). Determination of subsequent biochemical failure after brachytherapy was based on the definition by the American Society for Therapeutic Radiology and Oncology. Results: Based on the Common Terminology Criteria for Adverse Events (CTCAE version 3), 18 patients reported Grade 1 to 2 genitourinary symptoms by 3 months postsalvage. Three patients developed Grade 3 genitourinary toxicity. Maximum observed gastrointestinal toxicity was Grade 2; all cases spontaneously resolved. The 2-year Kaplan-Meier estimate of biochemical control after recurrence was 89%. Thirteen patients have achieved a PSA nadir {<=}0.1 ng/ml, but at the time of writing this endpoint has not yet been reached for all patients. All patients are alive; however 2 have experienced biochemical failure, both with PSA nadirs {>=}1, and have subsequently been found to have distant metastases. Conclusions: Salvage HDR prostate brachytherapy appears to be feasible and effective.

Lee, Brian [Department of Radiation Oncology, University of California-San Francisco, San Francisco, CA (United States); Shinohara, Katsuto [Department of Urology, University of California-San Francisco, San Francisco, CA (United States); Weinberg, Vivian [Comprehensive Cancer Center Biostatistics Core, University of California-San Francisco, San Francisco, CA (United States); Gottschalk, Alexander R. [Department of Radiation Oncology, University of California-San Francisco, San Francisco, CA (United States); Pouliot, Jean [Department of Radiation Oncology, University of California-San Francisco, San Francisco, CA (United States); Roach, Mack [Department of Radiation Oncology, University of California-San Francisco, San Francisco, CA (United States); Hsu, I.-Chow [Department of Radiation Oncology, University of California-San Francisco, San Francisco, CA (United States)]. E-mail: Hsu@radonc17.ucsf.edu

2007-03-15T23:59:59.000Z

51

Technical Potential for Local Distributed  

E-Print Network [OSTI]

the impact of high penetrations of solar PV on wholesale power markets (energy and capacity Technical Potential for Local Distributed Photovoltaics in California Preliminary.391.5100 www.ethree.com Technical Potential for Local Distributed Photovoltaics in California Preliminary

52

Local Transportation  

E-Print Network [OSTI]

Local Transportation. Transportation from the Airport to Hotel. There are two types of taxi companies that operate at the airport: special and regular taxis (

53

Sunitinib Plus Androgen Deprivation and Radiation Therapy for Patients With Localized High-Risk Prostate Cancer: Results From a Multi-institutional Phase 1 Study  

SciTech Connect (OSTI)

Purpose: To evaluate the feasibility of administering sunitinib in combination with androgen deprivation therapy and external-beam intensity modulated radiation therapy (XRT) in patients with localized high-risk prostate cancer. Methods and Materials: Seventeen men with localized adenocarcinoma of the prostate with cT2c-cT4 or Gleason 8-10 or prostate-specific antigen >20 ng/mL received initial androgen deprivation (leuprolide 22.5 mg every 12 weeks plus oral bicalutamide 50 mg daily) for 4-8 weeks before oral sunitinib 12.5, 25, or 37.5 mg daily for 4 weeks as lead-in, then concurrently with and 4 weeks after XRT (75.6 Gy in 42 fractions to prostate and seminal vesicles). A 3+3 sequential dose-escalation design was used to assess the frequency of dose-limiting toxicity (DLT) and establish a maximal tolerated dose of sunitinib. Results: Sunitinib at 12.5- and 25-mg dose levels was well tolerated. The first 4 patients enrolled at 37.5 mg experienced a DLT during lead-in, and a drug interaction between sunitinib and bicalutamide was suspected. The protocol was revised and concurrent bicalutamide omitted. Of the next 3 patients enrolled at 37.5 mg, 2 of 3 receiving concurrent therapy experienced DLTs during radiation: grade 3 diarrhea and grade 3 proctitis, respectively. Only 1 of 7 patients completed sunitinib at 37.5 mg daily, whereas 3 of 3 patients (25 mg as starting dose) and 3 of 4 patients (25 mg as reduced dose) completed therapy. Conclusions: The feasibility of combined vascular endothelial growth factor receptor (VEGFR)/platelet-derived growth factor receptor (PDGFR) inhibitor therapy, androgen deprivation, and radiation therapy for prostate cancer was established. Using a daily dosing regimen with lead-in, concurrent, and post-XRT therapy, the recommended phase 2 dose of sunitinib is 25 mg daily.

Corn, Paul G., E-mail: pcorn@mdanderson.org [Department of Genitourinary Medical Oncology, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States); Song, Danny Y. [Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland (United States)] [Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland (United States); Heath, Elisabeth; Maier, Jordan [Karmanos Cancer Institute, Wayne State University, Detroit, Michigan (United States)] [Karmanos Cancer Institute, Wayne State University, Detroit, Michigan (United States); Meyn, Raymond [Department of Experimental Radiation Oncology, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States)] [Department of Experimental Radiation Oncology, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States); Kuban, Deborah [Department of Radiation Oncology, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States)] [Department of Radiation Oncology, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States); DePetrillo, Thomas A. [Department of Radiation Oncology, Tufts Medical Center, Boston, Massachusetts (United States)] [Department of Radiation Oncology, Tufts Medical Center, Boston, Massachusetts (United States); Mathew, Paul, E-mail: pmathew@tuftsmedicalcenter.org [Department of Hematology-Oncology, Tufts Medical Center, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States)] [Department of Hematology-Oncology, Tufts Medical Center, University of Texas M. D. Anderson Cancer Center, Houston, Texas (United States)

2013-07-01T23:59:59.000Z

54

Impact of Dose to the Bladder Trigone on Long-Term Urinary Function After High-Dose Intensity Modulated Radiation Therapy for Localized Prostate Cancer  

SciTech Connect (OSTI)

Purpose: To determine the potential association between genitourinary (GU) toxicity and planning dose–volume parameters for GU pelvic structures after high-dose intensity modulated radiation therapy in localized prostate cancer patients. Methods and Materials: A total of 268 patients who underwent intensity modulated radiation therapy to a prescribed dose of 86.4 Gy in 48 fractions during June 2004-December 2008 were evaluated with the International Prostate Symptom Score (IPSS) questionnaire. Dose–volume histograms of the whole bladder, bladder wall, urethra, and bladder trigone were analyzed. The primary endpoint for GU toxicity was an IPSS sum increase ?10 points over baseline. Univariate and multivariate analyses were done by the Kaplan-Meier method and Cox proportional hazard models, respectively. Results: Median follow-up was 5 years (range, 3-7.7 years). Thirty-nine patients experienced an IPSS sum increase ?10 during follow-up; 84% remained event free at 5 years. After univariate analysis, lower baseline IPSS sum (P=.006), the V90 of the trigone (P=.006), and the maximal dose to the trigone (P=.003) were significantly associated with an IPSS sum increase ?10. After multivariate analysis, lower baseline IPSS sum (P=.009) and increased maximal dose to the trigone (P=.005) remained significantly associated. Seventy-two patients had both a lower baseline IPSS sum and a higher maximal dose to the trigone and were defined as high risk, and 68 patients had both a higher baseline IPSS sum and a lower maximal dose to the trigone and were defined as low risk for development of an IPSS sum increase ?10. Twenty-one of 72 high-risk patients (29%) and 5 of 68 low-risk patients (7%) experienced an IPSS sum increase ?10 (P=.001; odds ratio 5.19). Conclusions: The application of hot spots to the bladder trigone was significantly associated with relevant changes in IPSS during follow-up. Reduction of radiation dose to the lower bladder and specifically the bladder trigone seems to be associated with a reduction in late GU toxicity.

Ghadjar, Pirus; Zelefsky, Michael J.; Spratt, Daniel E. [Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Munck af Rosenschöld, Per; Oh, Jung Hun; Hunt, Margie [Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Kollmeier, Marisa [Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Happersett, Laura; Yorke, Ellen; Deasy, Joseph O. [Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Jackson, Andrew, E-mail: jacksona@mskcc.org [Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, New York, New York (United States)

2014-02-01T23:59:59.000Z

55

No Impairment of Quality of Life 18 Months After High-Dose Intensity-Modulated Radiotherapy for Localized Prostate Cancer: A Prospective Study  

SciTech Connect (OSTI)

Purpose: To determine prospectively intermediate-term toxicity and quality of life (QoL) of prostate cancer patients after intensity-modulated radiotherapy (IMRT). Patients and Methods: Fifty-five patients with localized prostate adenocarcinoma were treated by IMRT (76 Gy). Physicians scored acute and late toxicity using the Common Terminology Criteria for Adverse Events version 3.0. Patients assessed general and prostate-specific QoL before IMRT (baseline) and at 2, 6, and 18 months using European Organization for Research and Treatment of Cancer questionnaires QLQ-C30(+3) and QLQ-PR25. Results: Median age was 73 years (range, 54-80 years). Risk categories were 18% low risk, 60% intermediate risk, and 22% high risk; 45% of patients received hormonal therapy (median duration, 6 months). The incidence of urinary and bowel toxicity immediately after IMRT was, respectively, 38% and 13% (Grade 2) and 2% and none (Grade 3); at 18 months it was 15% and 11% (Grade 2) and none (Grade 3). Significant worsening of QoL was reported at 2 months with regard to fatigue (+11.31, p = 1.10{sup -7}), urinary symptoms (+9.07, p = 3.10{sup -11}), dyspnea (+7.27, p = 0.008), and emotional (-7.02, p = 0.002), social (-6.36, p = 0.003), cognitive (-4.85, p = 0.004), and physical (-3.39, p = 0.007) functioning. Only fatigue (+5.86, p = 0.003) and urinary symptoms (+5.86, p = 0.0004) had not improved by 6 months. By 18 months all QoL scores except those for dyspnea (+8.02, p = 0.01) and treatment-related symptoms (+4.24, p = 0.01) had returned to baseline. These adverse effects were exacerbated by hormonal therapy. Conclusion: High-dose IMRT with accurate positioning induces only a temporary worsening of QoL.

Marchand, Virginie; Bourdin, Sylvain [Department of Radiotherapy, Centre Rene Gauducheau, Saint-Herblain (France); Charbonnel, Christelle [Department of Biostatistics, Centre Rene Gauducheau, Saint-Herblain (France); Rio, Emmanuel [Department of Radiotherapy, Centre Rene Gauducheau, Saint-Herblain (France)

2010-07-15T23:59:59.000Z

56

Effect of Al/Si Substitutions and Silanol Nests on the Local Geometry of Si and Al Framework Sites in Silicone-Rich Zeolites: A Combined High Resolution 27  

E-Print Network [OSTI]

Effect of Al/Si Substitutions and Silanol Nests on the Local Geometry of Si and Al Framework Sites in Silicone-Rich Zeolites: A Combined High Resolution 27 Al and 29 Si NMR and Density Functional TheoryVed: May 6, 2009; ReVised Manuscript ReceiVed: June 8, 2009 We employed 29 Si and 27 Al (3Q) magic

Sklenak, Stepan

57

Local Information  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations and Multi-Fractal Behaviour

58

Local Universities  

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 DocumentationP-SeriesFlickrinformationPostdocsCenterCentera A B C D E F G HLoanTexasLocal

59

Quantum Locality?  

SciTech Connect (OSTI)

Robert Griffiths has recently addressed, within the framework of a ‘consistent quantum theory’ (CQT) that he has developed, the issue of whether, as is often claimed, quantum mechanics entails a need for faster-than-light transfers of information over long distances. He argues, on the basis of his examination of certain arguments that claim to demonstrate the existence of such nonlocal influences, that such influences do not exist. However, his examination was restricted mainly to hidden-variable-based arguments that include in their premises some essentially classical-physics-type assumptions that are fundamentally incompatible with the precepts of quantum physics. One cannot logically prove properties of a system by attributing to the system properties alien to that system. Hence Griffiths’ rejection of hidden-variable-based proofs is logically warranted. Griffiths mentions the existence of a certain alternative proof that does not involve hidden variables, and that uses only macroscopically described observable properties. He notes that he had examined in his book proofs of this general kind, and concluded that they provide no evidence for nonlocal influences. But he did not examine the particular proof that he cites. An examination of that particular proof by the method specified by his ‘consistent quantum theory’ shows that the cited proof is valid within that restrictive framework. This necessary existence, within the ‘consistent’ framework, of long range essentially instantaneous influences refutes the claim made by Griffiths that his ‘consistent’ framework is superior to the orthodox quantum theory of von Neumann because it does not entail instantaneous influences. An added section responds to Griffiths’ reply, which cites a litany of ambiguities that seem to restrict, devastatingly, the scope of his CQT formalism, apparently to buttress his claim that my use of that formalism to validate the nonlocality theorem is flawed. But the vagaries that he cites do not upset the proof in question. It is show here in detail why the precise statement of this theorem justifies the specified application of CQT. It is also shown, in response to his challenge, why a putative proof of locality that he has proposed is not valid.

Stapp, Henry

2011-11-10T23:59:59.000Z

60

Event-based computer simulation model of Aspect-type experiments strictly satisfying Einstein's locality conditions  

E-Print Network [OSTI]

Inspired by Einstein-Podolsky-Rosen-Bohm experiments with photons, we construct an event-based simulation model in which every essential element in the ideal experiment has a counterpart. The model satisfies Einstein's criteria of local causality and does not rely on concepts of quantum and probability theory. We consider experiments in which the averages correspond to those of a singlet and product state of a system of two $S=1/2$ particles. The data is analyzed according to the experimental procedure, employing a time window to identify pairs. We study how the time window and the passage time of the photons, which depends on the relative angle between their polarization and the polarizer's direction, influences the correlations, demonstrating that the properties of the optical elements in the observation stations affect the correlations although the stations are separated spatially and temporarily. We show that the model can reproduce results which are considered to be intrinsically quantum mechanical.

De Raedt, Hans; Michielsen, Kristel; Keimpema, Koenraad; Miyashita, Seiji

2007-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

Event-based computer simulation model of Aspect-type experiments strictly satisfying Einstein's locality conditions  

E-Print Network [OSTI]

Inspired by Einstein-Podolsky-Rosen-Bohm experiments with photons, we construct an event-based simulation model in which every essential element in the ideal experiment has a counterpart. The model satisfies Einstein's criteria of local causality and does not rely on concepts of quantum and probability theory. We consider experiments in which the averages correspond to those of a singlet and product state of a system of two $S=1/2$ particles. The data is analyzed according to the experimental procedure, employing a time window to identify pairs. We study how the time window and the passage time of the photons, which depends on the relative angle between their polarization and the polarizer's direction, influences the correlations, demonstrating that the properties of the optical elements in the observation stations affect the correlations although the stations are separated spatially and temporarily. We show that the model can reproduce results which are considered to be intrinsically quantum mechanical.

Hans De Raedt; Koen De Raedt; Kristel Michielsen; Koenraad Keimpema; Seiji Miyashita

2007-12-16T23:59:59.000Z

62

Incidence of Secondary Cancer Development After High-Dose Intensity-Modulated Radiotherapy and Image-Guided Brachytherapy for the Treatment of Localized Prostate Cancer  

SciTech Connect (OSTI)

Purpose: To report the incidence and excess risk of second malignancy (SM) development compared with the general population after external beam radiotherapy (EBRT) and brachytherapy to treat prostate cancer. Methods and Materials: Between 1998 and 2001, 1,310 patients with localized prostate cancer were treated with EBRT (n = 897) or brachytherapy (n = 413). We compared the incidence of SMs in our patients with that of the general population extracted from the National Cancer Institute's Surveillance, Epidemiology, and End Results data set combined with the 2000 census data. Results: The 10-year likelihood of SM development was 25% after EBRT and 15% after brachytherapy (p = .02). The corresponding 10-year likelihood for in-field SM development in these groups was 4.9% and 1.6% (p = .24). Multivariate analysis showed that EBRT vs. brachytherapy and older age were the only significant predictors for the development of all SMs (p = .037 and p = .030), with a trend for older patients to develop a SM. The increased incidence of SM for EBRT patients was explained by the greater incidence of skin cancer outside the radiation field compared with that after brachytherapy (10.6% and 3.3%, respectively, p = .004). For the EBRT group, the 5- and 10-year mortality rate was 1.96% and 5.1% from out-of field cancer, respectively; for in-field SM, the corresponding mortality rates were 0.1% and 0.7%. Among the brachytherapy group, the 5- and 10-year mortality rate related to out-of field SM was 0.8% and 2.7%, respectively. Our observed SM rates after prostate RT were not significantly different from the cancer incidence rates in the general population. Conclusions: Using modern sophisticated treatment techniques, we report low rates of in-field bladder and rectal SM risks after prostate cancer RT. Furthermore, the likelihood of mortality secondary to a SM was unusual. The greater rate of SM observed with EBRT vs. brachytherapy was related to a small, but significantly increased, number of skin cancers in the EBRT patients compared with that of the general population.

Zelefsky, Michael J., E-mail: Zelefskm@mskcc.org [Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Housman, Douglas M.; Pei Xin; Alicikus, Zumre; Magsanoc, Juan Martin [Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Dauer, Lawrence T.; St Germain, Jean [Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Yamada, Yoshiya; Kollmeier, Marisa; Cox, Brett [Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York (United States); Zhang Zhigang [Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York (United States)

2012-07-01T23:59:59.000Z

63

The effects of two levels of water vapor pressure on localized sweat rate in high fit males running at 50% VO? Max  

E-Print Network [OSTI]

, workload and VO& Max by correlative methods. Procedures Twelve male volunteers were selected as subjects from a Physical Education class at Texas A&M University. The criterion for selection -1 . -1 as a subject was a VO Max greater than 57 ml kg min.... Schvartz et al. (70) found subjects with high VO Max values (mean of 60. 1 ml kg min ) to respond better to heat than those with 1 medium and low Y02 Max values (means of 47. 7 and 35. 6 ml ~ kg ' n", . n respectively) with lower heart rates...

Sockler, James Michael

2012-06-07T23:59:59.000Z

64

Interferometric hydrofracture microseism localization using neighboring fracture  

E-Print Network [OSTI]

Hydraulic fracturing is the process of injecting high-pressure fluids into a reservoir to induce fractures and thus improve reservoir productivity. Microseismic event localization is used to locate created fractures. ...

Poliannikov, Oleg V.

2011-05-19T23:59:59.000Z

65

Interferometric hydrofracture microseism localization using neighboring fracture  

E-Print Network [OSTI]

Hydraulic fracturing is the process of injecting high-pressure fluids into a reservoir to induce fractures and thus improve reservoir productivity. Microseismic event localization is used to locate created fractures. ...

Poliannikov, Oleg V.

66

LOCAL BUS $178.00 LINK $267.00  

E-Print Network [OSTI]

- No refunds Pass Information: (617) 222-5218/6117 Schedule and Fare Information: (617) 222-3200 www.mbta, 2014 Local Bus $44.50/Month · Any local MBTA Bus or Trackless Trolley, excluding Mattapan High- Speed

Dennett, Daniel

67

Local Writhing Dynamics  

E-Print Network [OSTI]

We present an alternative local definition of the writhe of a self-avoiding closed loop which differs from the traditional non-local definition by an integer. When studying dynamics this difference is immaterial. We employ a formula due to Aldinger, Klapper and Tabor for the change in writhe and propose a set of local, link preserving dynamics in an attempt to unravel some puzzles about actin.

Randall D. Kamien

1997-03-13T23:59:59.000Z

68

Local Incentives (Massachusetts)  

Broader source: Energy.gov [DOE]

The Massachusetts Office of Business Development helps companies to identify communities interested in offering locally-negotiated incentives, such as Tax Increment Financing (TIF), Special Tax...

69

State and Local Incentives  

Broader source: Energy.gov [DOE]

To help you make energy efficiency improvements in your commercial building, your state and/or local community might offer incentives or have special programs.

70

Theoretical Studies of Pb on Si(111) and Si(100), Global Search for H-Passivated Si Nanowires, and Construction of highly Localized Quasiatomic Minimal Basis Orbitals for Mo  

SciTech Connect (OSTI)

Metal on semiconductor surfaces has been the topic of intense studies due to its technological applications. As nano-devices shrink in size, the conventional understanding of electronic devices are no longer applicable as quantum effects start to play an important role in the behavior of the devices. At the same time, when structures are approaching atomic scale, the precise fabrication by lithographic techniques, for example, are not even applicable. Very often, the fabrication of regular structures rely on self-assembly which is susceptible to fluctuations. Therefore, a deeper understanding to exploit the quantum behavior of nano-devices and precise control of building nano-structures are highly desired. Si(100) and Si(111) surfaces are the most studied system because they are the Si surfaces with the lowest surface energy. Pb on Si(100) and Si(111) is often chosen as the prototype system for the study of metal/semiconductor interfaces because Pb is not reactive with Si thus forming a clean well-defined hetero-interface. A prominent problem for studying the physics of metal/semiconductor interfaces is that the interface structures are usually not known. While various experimental techniques can be employed to provide clues to the atomic geometries, definite conclusions usually cannot be drawn due to the intrinsic limitations of the experiments. For example, scanning-tunneling microscopy (STM) only probes the local electronic density of states in which a maximum in intensity does not necessarily correspond to atomic positions. Low-energy electron diffraction (LEED) and X-ray diffraction experiments provide results in the reciprocal space, which may elude a direct interpretation in the real space.

Tzu-Liang Chan

2005-12-17T23:59:59.000Z

71

Local Public Finance  

E-Print Network [OSTI]

24. How to cite this article Quigley, John M. "local publicEW P ALGRAVE ) By John M. Quigley May 2008 These papers arelocal public finance John M. Quigley From The New Palgrave

Quigley, John M.

2008-01-01T23:59:59.000Z

72

Local Public Finance  

E-Print Network [OSTI]

cite this article Quigley, John M. "local public finance."HE N EW P ALGRAVE ) By John M. Quigley May 2008 These paperslocal public finance John M. Quigley From The New Palgrave

Quigley, John M.

2008-01-01T23:59:59.000Z

73

High School Students from Oakland, San Ramon Tour NERSC  

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

Local High School Students Tour NERSC Local High School Students Tour NERSC Outreach educates students about careers in scientific computing February 17, 2015 Oaktech-bashor.jpg...

74

Sampling based on local bandwidth  

E-Print Network [OSTI]

The sampling of continuous-time signals based on local bandwidth is considered in this thesis. In an intuitive sense, local bandwidth refers to the rate at which a signal varies locally. One would expect that signals should ...

Wei, Dennis

2007-01-01T23:59:59.000Z

75

Orleans Local Coastal Program (Louisiana)  

Broader source: Energy.gov [DOE]

The Local Coastal Programs Section provides technical assistance, guidance, and management to parishes in the development, approval, and implementation of local coastal programs (LCP). Once an LCP...

76

Lithium Local Pseudopotential Using  

E-Print Network [OSTI]

Lithium Local Pseudopotential Using DFT Sergio Orozco Student Advisor: Chen Huang Faculty Mentor Lithium LPS Test Lithium LPS #12;Density Functional Theory (DFT) Successful quantum mechanical approach (1979) #12;Building LPS for Lithium Create a LPS using NLPS density for Lithium Test LPS by comparing

Petta, Jason

77

Local microwave background radiation  

E-Print Network [OSTI]

An inquiry on a possible local origin for the Microwave Background Radiation is made. Thermal MBR photons are contained in a system called {\\it magnetic bottle} which is due to Earth magnetic field and solar wind particles, mostly electrons. Observational tests are anticipated.

Domingos Soares

2014-11-13T23:59:59.000Z

78

Local Safety Committee Engineering  

E-Print Network [OSTI]

Minutes Local Safety Committee Name of Committee Engineering Worksite Mailing Address & Postal Code J. Pannell ECE Support Engineer x Ken Jodrey E-Shops, for B. Wilson x * co-chairs Brad Hayes Safety, no report. Pending C. Safety Day Planning Committee Planning for Safety Days on Sept. 10 & 11 continues

Saskatchewan, University of

79

Local Safety Committee Engineering  

E-Print Network [OSTI]

Minutes Local Safety Committee Name of Committee Engineering Worksite Mailing Address & Postal Code-Shops Tech x R. Dahlgren Safety Resources x L. Wilson (support) Dean's Office x D. Hart Safety Resources x T involving chemicals. C. Safety Day Planning Committee L. Roth reported that the schedule of speakers

Saskatchewan, University of

80

Construction Local engineering.  

E-Print Network [OSTI]

Construction Structures Geotech Local engineering. World-class engineers. World-class results. Constructed Facilities Division tti.tamu.edu #12;Expertise & Equipment ExpErtisE & EquipmEnt Created in 2005. The Texas Transportation Institute's (TTI's) Constructed Facilities Division represents a collaboration

Note: This page contains sample records for the topic "temporarily high local" 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

Interferometric hydrofracture microseism localization using neighboring fracture  

E-Print Network [OSTI]

Interferometric hydrofracture microseism localization using neighboring fracture Oleg V. Poliannikov1 , Alison E. Malcolm1 , Hugues Djikpesse2 , and Michael Prange2 ABSTRACT Hydraulic fracturing is the process of injecting high-pressure fluids into a reservoir to induce fractures and thus improve reservoir

Malcolm, Alison

82

Enhanced local tomography  

DOE Patents [OSTI]

Local tomography is enhanced to determine the location and value of a discontinuity between a first internal density of an object and a second density of a region within the object. A beam of radiation is directed in a predetermined pattern through the region of the object containing the discontinuity. Relative attenuation data of the beam is determined within the predetermined pattern having a first data component that includes attenuation data through the region. In a first method for evaluating the value of the discontinuity, the relative attenuation data is inputted to a local tomography function .function..sub..LAMBDA. to define the location S of the density discontinuity. The asymptotic behavior of .function..sub..LAMBDA. is determined in a neighborhood of S, and the value for the discontinuity is estimated from the asymptotic behavior of .function..sub..LAMBDA.. In a second method for evaluating the value of the discontinuity, a gradient value for a mollified local tomography function .gradient..function..sub..LAMBDA..epsilon. (x.sub.ij) is determined along the discontinuity; and the value of the jump of the density across the discontinuity curve (or surface) S is estimated from the gradient values.

Katsevich, Alexander J. (Los Alamos, NM); Ramm, Alexander G. (Manhattan, KS)

1996-01-01T23:59:59.000Z

83

Local Government Energy Loan Program  

Broader source: Energy.gov [DOE]

Through a public-private partnership with PowerSouth, Alabama's Local Government Energy Loan Program offers zero-interest loans to local governments, K-12 schools, and public colleges and...

84

Generalized local emission tomography  

DOE Patents [OSTI]

Emission tomography enables locations and values of internal isotope density distributions to be determined from radiation emitted from the whole object. In the method for locating the values of discontinuities, the intensities of radiation emitted from either the whole object or a region of the object containing the discontinuities are inputted to a local tomography function .function..sub..LAMBDA..sup.(.PHI.) to define the location S of the isotope density discontinuity. The asymptotic behavior of .function..sub..LAMBDA..sup.(.PHI.) is determined in a neighborhood of S, and the value for the discontinuity is estimated from the asymptotic behavior of .function..sub..LAMBDA..sup.(.PHI.) knowing pointwise values of the attenuation coefficient within the object. In the method for determining the location of the discontinuity, the intensities of radiation emitted from an object are inputted to a local tomography function .function..sub..LAMBDA..sup.(.PHI.) to define the location S of the density discontinuity and the location .GAMMA. of the attenuation coefficient discontinuity. Pointwise values of the attenuation coefficient within the object need not be known in this case.

Katsevich, Alexander J. (Los Alamos, NM)

1998-01-01T23:59:59.000Z

85

Termination Detection of Local Computations  

E-Print Network [OSTI]

Termination Detection of Local Computations Emmanuel Godard1 , Yves M´etivier2 and Gerard Tel3 1 is glob- ally finished. This paper investigates the problem of the detection of the termination of local computations. We define four types of termination detection: no detection, detection of the local termination

Paris-Sud XI, Université de

86

Supersonic Flutter Analysis Based on a Local Piston Theory  

E-Print Network [OSTI]

Supersonic Flutter Analysis Based on a Local Piston Theory Wei-Wei Zhang, Zheng-Yin Ye, and Chen§ University of California, Irvine, Irvine, California 92697-3975 DOI: 10.2514/1.37750 A highly efficient local-piston speeds. A steady mean flow solution is first obtained by an Euler method. The classical piston theory

Liu, Feng

87

Stable local oscillator microcircuit.  

SciTech Connect (OSTI)

This report gives a description of the development of a Stable Local Oscillator (StaLO) Microcircuit. The StaLO accepts a 100MHz input signal and produces output signals at 1.2, 3.3, and 3.6 GHz. The circuit is built as a multi-chip module (MCM), since it makes use of integrated circuit technologies in silicon and lithium niobate as well as discrete passive components. The StaLO uses a comb generator followed by surface acoustic wave (SAW) filters. The comb generator creates a set of harmonic components of the 100MHz input signal. The SAW filters are narrow bandpass filters that are used to select the desired component and reject all others. The resulting circuit has very low sideband power levels and low phase noise (both less than -40dBc) that is limited primarily by the phase noise level of the input signal.

Brocato, Robert Wesley

2006-10-01T23:59:59.000Z

88

Local quantum ergodic conjecture  

E-Print Network [OSTI]

The Quantum Ergodic Conjecture equates the Wigner function for a typical eigenstate of a classically chaotic Hamiltonian with a delta-function on the energy shell. This ensures the evaluation of classical ergodic expectations of simple observables, in agreement with Shnirelman's theorem, but this putative Wigner function violates several important requirements. Consequently, we transfer the conjecture to the Fourier transform of the Wigner function, that is, the chord function. We show that all the relevant consequences of the usual conjecture require only information contained within a small (Planck) volume around the origin of the phase space of chords: translations in ordinary phase space. Loci of complete orthogonality between a given eigenstate and its nearby translation are quite elusive for the Wigner function, but our local conjecture stipulates that their pattern should be universal for ergodic eigenstates of the same Hamiltonian lying within a classically narrow energy range. Our findings are supported by numerical evidence in a Hamiltonian exhibiting soft chaos. Heavily scarred eigenstates are remarkable counter-examples of the ergodic universal pattern.

E. Zambrano; W. P. Karel Zapfe; Alfredo M. Ozorio de Almeida

2015-02-11T23:59:59.000Z

89

Performing a local barrier operation  

DOE Patents [OSTI]

Performing a local barrier operation with parallel tasks executing on a compute node including, for each task: retrieving a present value of a counter; calculating, in dependence upon the present value of the counter and a total number of tasks performing the local barrier operation, a base value of the counter, the base value representing the counter's value prior to any task joining the local barrier; calculating, in dependence upon the base value and the total number of tasks performing the local barrier operation, a target value, the target value representing the counter's value when all tasks have joined the local barrier; joining the local barrier, including atomically incrementing the value of the counter; and repetitively, until the present value of the counter is no less than the target value of the counter: retrieving the present value of the counter and determining whether the present value equals the target value.

Archer, Charles J; Blocksome, Michael A; Ratterman, Joseph D; Smith, Brian E

2014-03-04T23:59:59.000Z

90

Performing a local barrier operation  

DOE Patents [OSTI]

Performing a local barrier operation with parallel tasks executing on a compute node including, for each task: retrieving a present value of a counter; calculating, in dependence upon the present value of the counter and a total number of tasks performing the local barrier operation, a base value, the base value representing the counter's value prior to any task joining the local barrier; calculating, in dependence upon the base value and the total number of tasks performing the local barrier operation, a target value of the counter, the target value representing the counter's value when all tasks have joined the local barrier; joining the local barrier, including atomically incrementing the value of the counter; and repetitively, until the present value of the counter is no less than the target value of the counter: retrieving the present value of the counter and determining whether the present value equals the target value.

Archer, Charles J; Blocksome, Michael A; Ratterman, Joseph D; Smith, Brian E

2014-03-04T23:59:59.000Z

91

Localization of eigenvalues with applications  

E-Print Network [OSTI]

LOCALIZATION OF EIGENVALUES WITH APPLICATIONS A Thesis by CHARLOTTE NYQUIST DE SPIEGEL Submitted to the Graduate College of Texas ASM University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE December 1975... Major Subject: Mathematics LOCALIZATION OP EIGENVALUES WITH APPLICATIONS A Thesis by CHARLOTTE NYQUIST DE SPIEGEL Approved as to style and content by: ca% (Head of Department) gr (Member (Memb a (g December 1975 AB STRACT Localization...

Spiegel, Charlotte Nyquist de

1975-01-01T23:59:59.000Z

92

Local Government Revenue Bonds (Montana)  

Broader source: Energy.gov [DOE]

Limited obligation local government bonds ("special revenue bonds") may be issued for qualified electric energy generation facilities, including those powered by renewables. These bonds generally...

93

Local Structure Analysis in $Ab$ $Initio$ Liquid Water  

E-Print Network [OSTI]

Within the framework of density functional theory, the inclusion of exact exchange and non-local van der Waals/dispersion (vdW) interactions is crucial for predicting a microscopic structure of ambient liquid water that quantitatively agrees with experiment. In this work, we have used the local structure index (LSI) order parameter to analyze the local structure in such highly accurate $ab$ $initio$ liquid water. At ambient conditions, the LSI probability distribution, P($I$), was unimodal with most water molecules characterized by more disordered high-density-like local environments. With thermal excitations removed, the resultant bimodal P($I$) in the inherent potential energy surface (IPES) exhibited a 3:1 ratio between high- and low-density-like molecules, with the latter forming small connected clusters amid the predominant population. By considering the spatial correlations and hydrogen bond network topologies $among$ water molecules with the same LSI identities, we demonstrate that the signatures of th...

Santra, Biswajit; Martelli, Fausto; Car, Roberto

2015-01-01T23:59:59.000Z

94

Local Energy Landscape in a Simple Liquid  

E-Print Network [OSTI]

It is difficult to relate the properties of liquids and glasses directly to their structure because of complexity in the structure which defies precise definition. The potential energy landscape (PEL) approach is a very insightful way to conceptualize the structure-property relationship in liquids and glasses, particularly on the effect of temperature and history. However, because of the highly multi-dimensional nature of the PEL it is hard to determine, or even visualize, the actual details of the energy landscape. In this article we introduce a modified concept of the local energy landscape (LEL) which is limited in phase space, and demonstrate its usefulness using molecular dynamics simulation on a simple liquid at high temperatures. The local energy landscape is given as a function of the local coordination number, the number of the nearest neighbor atoms. The excitations in the LEL corresponds to the so-called beta-relaxation process. The LEL offers a simple but useful starting point to discuss complex phenomena in liquids and glasses.

Takuya Iwashita; Takeshi Egami

2014-10-31T23:59:59.000Z

95

Localized Surface Plasmons in Vibrating Graphene Nanodisks  

E-Print Network [OSTI]

Localized surface plasmons are confined collective oscillations of electrons in metallic nanoparticles. When driven by light, the optical response is dictated by geometrical parameters and the dielectric environment and plasmons are therefore extremely important for sensing applications. Plasmons in graphene disks have the additional benefit to be highly tunable via electrical stimulation. Mechanical vibrations create structural deformations in ways where the excitation of localized surface plasmons can be strongly modulated. We show that the spectral shift in such a scenario is determined by a complex interplay between the symmetry and shape of the modal vibrations and the plasmonic mode pattern. Tuning confined modes of light in graphene via acoustic excitations, paves new avenues in shaping the sensitivity of plasmonic detectors, and in the enhancement of the interaction with optical emitters, such as molecules, for future nanophotonic devices.

Wang, Weihua; Mortensen, N Asger; Christensen, Johan

2015-01-01T23:59:59.000Z

96

Beyond National Uniformity: Diverging Local Economic Governance Under Japan's Decentralization Reforms  

E-Print Network [OSTI]

New Public Management (NPM) argument and the civil societyis highly related to the NPM argument. Historically, localof local service delivery. The NPM argument is a well-known

Lee, Jung Hwan

2010-01-01T23:59:59.000Z

97

Exploring Quality in MultiSensor Pervasive Systems -A Localization Case Study  

E-Print Network [OSTI]

in GPS and other technologies have enabled high quality outdoor localization, the realization of accurate indoor location technologies is significantly more complex. We present a generalized indoor localization framework that composes inputs from multiple localization technologies in a quality-aware manner so

Venkatasubramanian, Nalini

98

The Universe Viewed in Gamma-Rays 1 Properties of Gamma-ray Bursts Localized by  

E-Print Network [OSTI]

The Universe Viewed in Gamma-Rays 1 Properties of Gamma-ray Bursts Localized by the HETE-2 and localize Gamma-ray bursts (GRBs) in wide field of view. HETE-2 have been localized about 20 GRBs per year hours after the burst. 1. The High Energy Transient Explorer 2 Gamma-ray burst (GRB) is the most

Enomoto, Ryoji

99

Gradient Improvement by Removal of Identified Local Defects  

SciTech Connect (OSTI)

Recent experience of ILC cavity processing and testing at Jefferson Lab has shown that some 9-cell cavities are quench limited at a gradient in the range of 15-25 MV/m. Further studies reveal that these quench limits are often correlated with sub-mm sized and highly localized geometrical defects at or near the equator weld. There are increasing evidence to show that these genetic defects have their origin in the material or in the electron beam welding process (for example due to weld irregularities or splatters on the RF surface and welding porosity underneath the surface). A local defect removal method has been proposed at Jefferson Lab by locally re-melting the niobium material. Several 1-cell cavities with known local defects have been treated by using the JLab local e-beam re-melting method, resulting in gradient and Q0 improvement. We also sent 9-cell cavities with known gradient limiting local defects to KEK for local grinding and to FNAL for global mechanical polishing. We report on the results of gradient improvements by removal of local defects in these cavities.

R.L. Geng, W.A. Clemens, C.A. Cooper, H. Hayano, K. Watanabe

2011-07-01T23:59:59.000Z

100

On-chip high speed localized cooling using superlattice microrefrigerators  

E-Print Network [OSTI]

Semenyuk, “Thermoelectric Micro Modules for Spot Cooling ofthermoelectric module is still too large for spot cooling.

Zhang, Y; Christofferson, J; Shakouri, A; Zeng, G H; Bowers, J E; Croke, E T

2006-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

Southeastern visits local high school | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists' Research |RegulationRenewable Energy (EERE)SmartRemarksonSunShotSouthApril

102

A Local Convergence Theory of a Filter Line Search Method for ...  

E-Print Network [OSTI]

We denote the gradient of f by ?f(x), the Jacobian of the constraints by ..... As for proving global convergence, we use the terminology first introduced in Fletcher, ... We do this by exiting the algorithm temporarily and enter into a feasibility.

103

Matching supply to demand: relating local structural adaptation to global function  

E-Print Network [OSTI]

to ensure dilation during occlusions. Arterioles of unanesthetized Pallid bats were temporarily occluded upstream (n=8) and parallel (n=4) to vessels of interest (20-65 mm). In both cases, the vessels of interest rapidly dilated (36+24 %, 37...

Desai, Ketaki Vimalchandra

2009-05-15T23:59:59.000Z

104

Anytime Replanning Using Local Subplan Replacement  

E-Print Network [OSTI]

Anytime Replanning Using Local Subplan Replacement A Dissertation Presented to the faculty how local subplan replacement can be utilized to implement an anytime planning system that devises new plans to accommodate plan failures. Local subplan replacement consists of selecting subsequences

Ferrer, Gabriel J.

105

Local Structure Analysis in $Ab$ $Initio$ Liquid Water  

E-Print Network [OSTI]

Within the framework of density functional theory, the inclusion of exact exchange and non-local van der Waals/dispersion (vdW) interactions is crucial for predicting a microscopic structure of ambient liquid water that quantitatively agrees with experiment. In this work, we have used the local structure index (LSI) order parameter to analyze the local structure in such highly accurate $ab$ $initio$ liquid water. At ambient conditions, the LSI probability distribution, P($I$), was unimodal with most water molecules characterized by more disordered high-density-like local environments. With thermal excitations removed, the resultant bimodal P($I$) in the inherent potential energy surface (IPES) exhibited a 3:1 ratio between high- and low-density-like molecules, with the latter forming small connected clusters amid the predominant population. By considering the spatial correlations and hydrogen bond network topologies $among$ water molecules with the same LSI identities, we demonstrate that the signatures of the experimentally observed low- (LDA) and high-density (HDA) amorphous phases of ice are present in the IPES of ambient liquid water. Analysis of the LSI autocorrelation function uncovered a persistence time of $\\sim$ 4 ps---a finding consistent with the fact that natural thermal fluctuations are responsible for transitions between these distinct yet transient local aqueous environments in ambient liquid water.

Biswajit Santra; Robert A. DiStasio Jr.; Fausto Martelli; Roberto Car

2015-02-27T23:59:59.000Z

106

Local non-equilibrium thermodynamics  

E-Print Network [OSTI]

Local Shannon entropy lies at the heart of modern thermodynamics, with much discussion of trajectory-dependent entropy production. When taken at both boundaries of a process in phase space, it reproduces the second law of thermodynamics over a finite time interval for small scale systems. However, given that entropy is an ensemble property, it has never been clear how one can assign such a quantity locally. Given such a fundamental omission in our knowledge, we construct a new ensemble composed of trajectories reaching an individual microstate, and show that locally defined entropy, information, and free energy are properties of the ensemble, or trajectory-independent true thermodynamic potentials. We find that the Boltzmann-Gibbs distribution and Landauer's principle can be generalized naturally as properties of the ensemble, and that trajectory-free state functions of the ensemble govern the exact mechanism of non-equilibrium relaxation.

Jinwoo, Lee

2015-01-01T23:59:59.000Z

107

Localization via Automorphisms of the CARs. Local gauge invariance  

E-Print Network [OSTI]

The classical matter fields are sections of a vector bundle E with base manifold M. The space L^2(E) of square integrable matter fields w.r.t. a locally Lebesgue measure on M, has an important module action of C_b^\\infty(M) on it. This module action defines restriction maps and encodes the local structure of the classical fields. For the quantum context, we show that this module action defines an automorphism group on the algebra A, of the canonical anticommutation relations on L^2(E), with which we can perform the analogous localization. That is, the net structure of the CAR, A, w.r.t. appropriate subsets of M can be obtained simply from the invariance algebras of appropriate subgroups. We also identify the quantum analogues of restriction maps. As a corollary, we prove a well-known "folk theorem," that the algebra A contains only trivial gauge invariant observables w.r.t. a local gauge group acting on E.

Hendrik Grundling; Karl-Hermann Neeb

2010-01-07T23:59:59.000Z

108

The Local Dimension of Energy  

E-Print Network [OSTI]

 and international experience, several bespoke energy strategies are identified  that have significant potential to contribute to local energy demand reduction and lower  CO2 emissions  in  the UK. The  strategies  identified  include, Combined Heat and Power  with  District  Heating  (CHP?DH),  Energy  from  Waste  Facilities  (Ef... . Monitoring and managing own energy and carbon emissions. Implementation of energy efficiency schemes within local government buildings such as schools, halls and sporting facilities etc. Using CHP (Combined Heat and Power) to supply heat and power...

Kelly, Scott

2011-01-31T23:59:59.000Z

109

Furthering Your Local Governments' Energy Efficiency Goals: Getting Support from Local Leaders  

Broader source: Energy.gov [DOE]

Power Point presentation from the Furthering your Local Governments Energy Efficiency Goals part 1 Getting Support From Local Leaders webcast.

110

Local  

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

Material response dotted curves and signal to noise ratio for ESM response divided by noise func- tion f 0 f + 1 with f 0 3 kHz solid curves. Diffu- sion...

111

Local  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6, 2011LiisaInnovationorganizationLizLobbying

112

Local  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6, 2011LiisaInnovationorganizationLizLobbyingplasma ion

113

Local  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6, 2011LiisaInnovationorganizationLizLobbyingplasma

114

Device for temporarily closing duct-formers in well completion apparatus  

SciTech Connect (OSTI)

A duct-forming device is disclosed for use in a well completion apparatus of the kind, wherein a bore hole casing is positioned in a bore hole and duct-forming devices of alkali- and acid resistant metal-such as steel-are secured at spaced levels to the casing in alignment with holes machined in the casing wall. In accordance with the invention, a closure device is arranged within the duct-forming device which permits flow of predetermined amounts of liquid, such as acid, from the interior of the casing through the duct-forming device and into the producing formation, while gradually being moved by the liquid into a position in which such fluid flow is prevented. After the fluid flow has been stopped by the closure device and when the formation pressure exceeds the pressure within the duct-forming device and the casing, fluid from the formation then forces the closure device toward and into the casing space to permit thereafter free flow of formation fluid into the duct-forming device and the casing or of pressurized treatment liquid from the casing into the formation. The inventive arrangement permits inter alia the establishment of a sufficient and substantially uniform feeding rate of treatment liquid, such as acid, from the casing into the producing formation through all the duct-formers in preparation for subsequent acidification or other treatments, such as sand fracking.

Zandmer, H.M.; Zandmer, S.M.

1981-08-25T23:59:59.000Z

115

LOCAL COHOMOLOGY MODULES SUPPORTED AT ...  

E-Print Network [OSTI]

The sets Ugi = X \\Var(gi) form an affine open cover for U = X \\Var(I), so the double complex Q•,• with. Qp,q = Kq(?;D)?D Cp(g;R) is a local trivialization of dR(OU ) ...

2014-03-13T23:59:59.000Z

116

Fractal Superconductivity near Localization Threshold  

E-Print Network [OSTI]

Fractal Superconductivity near Localization Threshold Mikhail Feigel'man Landau Institute, Moscow-electron states are extended but fractal and populate small fraction of the whole volume How BCS theory should be modified to account for eigenstates fractality ? #12;Mean-Field Eq. for Tc #12;#12;3D Anderson model: = 0

Fominov, Yakov

117

Kampung Capacity Local Solutions for  

E-Print Network [OSTI]

Kampung Capacity Local Solutions for Sustainable Rural Energy in the Baram River Basin, Sarawak with a large-scale hydropower plan for the river basin. Keywords: South East Asia, Malaysia, Rural Energy In this study we explore the potential for rural renewable energy supply through a focus on villages

Kammen, Daniel M.

118

Hardy's non-locality and generalized non-local theory  

E-Print Network [OSTI]

Hardy's non-locality theorem for multiple two-level systems is explored in the context of generalized nonlocal theory. We find nonlocal but non-signaling probabilities, providing Hardy's nonlocal argument, which are higher than those in Quantum Mechanics. Maximum probability of success of Hardy's argument is obtained for three two-level systems in quantum as well as in a more generalized theory. Interestingly, the maximum in the nonlocal generalized theory for both the cases turns out to be same.

Sujit K. Choudhary; Sibasish Ghosh; Guruprasad Kar; Samir Kunkri; Ramij Rahaman; Anirban Roy

2011-10-31T23:59:59.000Z

119

Localization in active incommensurate arrays  

E-Print Network [OSTI]

In a dissipationless linear lattice, spatial disorder or incommensurate modulation induce localization of the lattice eigenstates and block spreading of wave packets. Additionally, incommensurate arrays allow for the metal-insulator transition at a finite modulation amplitude already in one dimension. The addition of nonlinearity to the lattice Hamiltonian causes interaction between the eigenstates, which results in a slow packet spreading. We go beyond the dissipationless limit and consider nonlinear quasi-periodic arrays that are subjected to the dissipative losses and energy pumping. We find that there is a finite excitation of oscillations threshold in both metallic and insulating regimes. Moreover, excitation in the metallic and weakly insulating regime displays features of the second order phase transition to global oscillations, in contrast to disordered arrays. The Anderson attractor regime is recovered only in the limit of strong localization. The identified transition, and the further onset of chaos and synchronization can be potentially realized with polariton condensates lattices and cavity-QED arrays.

T. V. Laptyeva; S. V. Denisov; G. V. Osipov; M. V. Ivanchenko

2014-12-01T23:59:59.000Z

120

Local Cloning of Entangled Qubits  

E-Print Network [OSTI]

We discuss the exact cloning of orthogonal but entangled qubits under local operations and classical communication. The amount of entanglement necessary in blank copy is obtained for various cases. Surprisingly this amount is more than 1 ebit for certain set of two nonmaximal but equally entangled states of two qubits system. To clone any three two qubits Bell states at least log2 3 ebit is necessary.

Sujit K. Choudhary; Samir Kunkri; Ramij Rahaman; Anirban Roy

2007-07-06T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

Observations of remote and local forcing in Galveston Bay, Texas  

E-Print Network [OSTI]

A high quality set of 321 days of sea level and wind records and of 126 days of current records, from winter to spring, has been used to examine the relative importance of remote and local forcing on the subtidal response in Galveston Bay, Texas...

Guannel, Gregory

2001-01-01T23:59:59.000Z

122

Functional Geometry Alignment and Localization of Brain Areas  

E-Print Network [OSTI]

Functional Geometry Alignment and Localization of Brain Areas Georg Langs, Polina Golland Computer@bwh.harvard.edu, lrigolo@bwh.harvard.edu agolby@bwh.harvard.edu Abstract Matching functional brain regions across. It is particularly difficult, but highly relevant, for patients with pathologies such as brain tumors, which can

Golland, Polina

123

Thermite powder ignition by localized microwaves Yehuda Meir, Eli Jerby  

E-Print Network [OSTI]

- propagating high-temperature synthesis (SHS) for sintering of ceramic composites [14]. The magnetic (H, the microwave energy is supplied locally to the powder. It creates a confined hotspot, and initiates a self-propagating the powder prior to its ignition is simulated theoretically, taking into account the powder's temperature

Jerby, Eli

124

JOSEPHSON JUNCTION MIXER USING AN EXTERNAL LOCAL OSCILLATOR (*)  

E-Print Network [OSTI]

255 JOSEPHSON JUNCTION MIXER USING AN EXTERNAL LOCAL OSCILLATOR (*) H. KANTER Electronic Research, studied the use of Josephson junctions as microwave mixers on the basis of the highly damped junction indicate that conversion as well as noise properties of Josephson junctions require more detailed studies

Paris-Sud XI, Université de

125

Locally Optimal Control of Quantum Systems with Strong Feedback  

E-Print Network [OSTI]

For quantum systems with high purity, we find all observables that, when continuously monitored, maximize the instantaneous reduction in the von Neumann entropy. This allows us to obtain all locally optimal feedback protocols with strong feedback, and explicit expressions for the best such protocols for systems of size N feedback.

Alireza Shabani; Kurt Jacobs

2008-12-07T23:59:59.000Z

126

Topology of Local Health Officials' Advice Networks: Mind the Gaps  

E-Print Network [OSTI]

, evidence-based programs, and service delivery, and health care reform are innovations Author AffiliationsTopology of Local Health Officials' Advice Networks: Mind the Gaps Jacqueline Merrill, RN, MPH: To determine how a health officials' advice network might contribute to a high-performing public health systems

Sadeh, Norman M.

127

Simulating weak localization using superconducting quantum circuits  

E-Print Network [OSTI]

Understanding complex quantum matter presents a central challenge in condensed matter physics. The difficulty lies in the exponential scaling of the Hilbert space with the system size, making solutions intractable for both analytical and conventional numerical methods. As originally envisioned by Richard Feynman, this class of problems can be tackled using controllable quantum simulators. Despite many efforts, building an quantum emulator capable of solving generic quantum problems remains an outstanding challenge, as this involves controlling a large number of quantum elements. Here, employing a multi-element superconducting quantum circuit and manipulating a single microwave photon, we demonstrate that we can simulate the weak localization phenomenon observed in mesoscopic systems. By engineering the control sequence in our emulator circuit, we are also able to reproduce the well-known temperature dependence of weak localization. Furthermore, we can use our circuit to continuously tune the level of disorder, a parameter that is not readily accessible in mesoscopic systems. By demonstrating a high level of control and complexity, our experiment shows the potential for superconducting quantum circuits to realize scalable quantum simulators.

Yu Chen; P. Roushan; D. Sank; C. Neill; Erik Lucero; Matteo Mariantoni; R. Barends; B. Chiaro; J. Kelly; A. Megrant; J. Y. Mutus; P. J. J. O'Malley; A. Vainsencher; J. Wenner; T. C. White; Yi Yin; A. N. Cleland; John M. Martinis

2014-03-26T23:59:59.000Z

128

Local public document room directory. Revision 7  

SciTech Connect (OSTI)

This directory (NUREG/BR-0088, Revision 7) lists local public document rooms (LPDRs) for commercial nuclear power plants with operating or possession-only licenses or under construction, plus the LPDRs for potential high-level radioactive waste repository sites, gaseous diffusion plants, certain fuel cycle facilities, certain low-level waste disposal facilities, and any temporary LPDRs established for the duration of licensing proceedings. In some instances, the LPDR libraries maintain document collections for more than one licensed facility. The library staff members listed are the persons most familiar with the LPDR collections. Reference librarians in the NRC Headquarters Public Document Room (PDR) are also available to assist the public in locating NRC documents.

NONE

1998-04-01T23:59:59.000Z

129

Source localization of brain activity using helium-free interferometer  

SciTech Connect (OSTI)

To detect extremely small magnetic fields generated by the human brain, currently all commercial magnetoencephalography (MEG) systems are equipped with low-temperature (low-T{sub c}) superconducting quantum interference device (SQUID) sensors that use liquid helium for cooling. The limited and increasingly expensive supply of helium, which has seen dramatic price increases recently, has become a real problem for such systems and the situation shows no signs of abating. MEG research in the long run is now endangered. In this study, we report a MEG source localization utilizing a single, highly sensitive SQUID cooled with liquid nitrogen only. Our findings confirm that localization of neuromagnetic activity is indeed possible using high-T{sub c} SQUIDs. We believe that our findings secure the future of this exquisitely sensitive technique and have major implications for brain research and the developments of cost-effective multi-channel, high-T{sub c} SQUID-based MEG systems.

Dammers, Jürgen, E-mail: J.Dammers@fz-juelich.de; Chocholacs, Harald; Eich, Eberhard; Boers, Frank [Institute of Neuroscience and Medicine (INM-4), Forschungszentrum Jülich, Jülich (Germany); Faley, Michael; Dunin-Borkowski, Rafal E. [Peter Grünberg Institute (PGI-5), Forschungszentrum Jülich, Jülich (Germany); Jon Shah, N. [Institute of Neuroscience and Medicine (INM-4), Forschungszentrum Jülich, Jülich (Germany); Department of Neurology, RWTH Aachen University, Aachen (Germany); Jülich Aachen Research Alliance (JARA)—Translational Brain Medicine, Jülich (Germany)

2014-05-26T23:59:59.000Z

130

Sensor network localization based on natural phenomena  

E-Print Network [OSTI]

Autonomous localization is crucial for many sensor network applications. The goal of this thesis is to develop a distributed localization algorithm for the PLUG indoor sensor network by analyzing sound and light sensory ...

Kim, Daniel Sang

2006-01-01T23:59:59.000Z

131

Local Area Networks - Applications to Energy Management  

E-Print Network [OSTI]

LOCAL AREA NETWORKS - APPLICATIONS TO MERCY MANAGmNT Advanced BRUCE M. BAKKEN Software bfanager Micro Syatems Corporation Milwaukee, WI ABSTRACT One of the newest advances in computer technology is the Local Area Network. Its many...

Bakken, B. M.

1984-01-01T23:59:59.000Z

132

Comprehensive Local Water Management Act (Minnesota)  

Broader source: Energy.gov [DOE]

Each county is encouraged to develop and implement a local water management plan. This section sets the specifications that must be met by local plans. The status of county water plans is shown...

133

The structure of local gravity theories  

E-Print Network [OSTI]

We discuss the structure of local gravity theories as resulting from the idea that locally gravity must be physically characterized by tidal acceleration, and show how this relates to both Newtonian gravity and Einstein's general relativity.

Maurice J. Dupre

2014-03-12T23:59:59.000Z

134

Cosmological perturbations on local systems  

E-Print Network [OSTI]

We study the effect of cosmological expansion on orbits--galactic, planetary, or atomic--subject to an inverse-square force law. We obtain the laws of motion for gravitational or electrical interactions from general relativity--in particular, we find the gravitational field of a mass distribution in an expanding universe by applying perturbation theory to the Robertson-Walker metric. Cosmological expansion induces an ($\\ddot a/a) \\vec r$ force where $a(t)$ is the cosmological scale factor. In a locally Newtonian framework, we show that the $(\\ddot a/a) \\vec r$ term represents the effect of a continuous distribution of cosmological material in Hubble flow, and that the total force on an object, due to the cosmological material plus the matter perturbation, can be represented as the negative gradient of a gravitational potential whose source is the material actually present. We also consider the effect on local dynamics of the cosmological constant. We calculate the perihelion precession of elliptical orbits due to the cosmological constant induced force, and work out a generalized virial relation applicable to gravitationally bound clusters.

Gregory S. Adkins; Jordan McDonnell; Richard N. Fell

2006-12-22T23:59:59.000Z

135

"Furthering Your Local Governments' Energy Efficiency Goals-- Part 1- Getting Support From Local Leaders "  

Broader source: Energy.gov [DOE]

DOE’s technical assistance program webcast on furthering your local government’s energy efficiency goals. This is part one, gaining support from local leaders.

136

NOvA Experiment - The Local Community  

ScienceCinema (OSTI)

Local proprietors Steve and Deb Wieber discuss the impact of the NOvA experiment on their community.

Deb Wieber

2010-01-08T23:59:59.000Z

137

NOvA Experiment - The Local Community  

SciTech Connect (OSTI)

Local proprietors Steve and Deb Wieber discuss the impact of the NOvA experiment on their community.

Deb Wieber

2009-05-14T23:59:59.000Z

138

DISTRIBUTED EVENT LOCALIZATION AND TRACKING ALGORITHM (DELTA)  

E-Print Network [OSTI]

in a distributed event localization and tracking algorithm (DELTA). DELTA is extended with energy-efficient network management, event classification functionality and an energy based source localization. The energy;#12;Abstract Different approaches to do event detection, tracking, localization and classification have been

Braun, Torsten

139

Generalized Darboux transformation and localized waves in coupled Hirota equations  

E-Print Network [OSTI]

In this paper, we construct a generalized Darboux transformation to the coupled Hirota equations with high-order nonlinear effects like the third dispersion, self-steepening and inelastic Raman scattering terms. As application, an Nth-order localized wave solution on the plane backgrounds with the same spectral parameter is derived through the direct iterative rule. In particular, some semi-rational, multi-parametric localized wave solutions are obtained: (1) Vector generalization of the first- and the second-order rogue wave solution; (2) Interactional solutions between a dark-bright soliton and a rogue wave, two dark-bright solitons and a second-order rogue wave; (3) Interactional solutions between a breather and a rogue wave, two breathers and a second-order rogue wave. The results further reveal the striking dynamic structures of localized waves in complex coupled systems.

Xin Wang; Yuqi Li; Yong Chen

2014-04-28T23:59:59.000Z

140

Localized algorithms for detection of critical nodes and links for connectivity in ad hoc networks  

E-Print Network [OSTI]

Localized algorithms for detection of critical nodes and links for connectivity in ad hoc networks.Hauspie, David.Simplot}@lifl.fr Abstract Ad hoc network normally has critical connectivity properties before, respectively. The experiments with random unit graph model of ad hoc networks show high correspondence of local

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "temporarily high local" 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

Local Dynamic Reactive Power for Correction of System Voltage Problems  

SciTech Connect (OSTI)

Distribution systems are experiencing outages due to a phenomenon known as local voltage collapse. Local voltage collapse is occurring in part because modern air conditioner compressor motors are much more susceptible to stalling during a voltage dip than older motors. These motors can stall in less than 3 cycles (.05s) when a fault, such as on the sub-transmission system, causes voltage to sag to 70 to 60%. The reasons for this susceptibility are discussed in the report. During the local voltage collapse, voltages are depressed for a period of perhaps one or two minutes. There is a concern that these local events are interacting together over larger areas and may present a challenge to system reliability. An effective method of preventing local voltage collapse is the use of voltage regulation from Distributed Energy Resources (DER) that can supply or absorb reactive power. DER, when properly controlled, can provide a rapid correction to voltage dips and prevent motor stall. This report discusses the phenomenon and causes of local voltage collapse as well as the control methodology we have developed to counter voltage sag. The problem is growing because of the use of low inertia, high efficiency air conditioner (A/C) compressor motors and because the use of electric A/C is growing in use and becoming a larger percentage of system load. A method for local dynamic voltage regulation is discussed which uses reactive power injection or absorption from local DER. This method is independent, rapid, and will not interfere with conventional utility system voltage control. The results of simulations of this method are provided. The method has also been tested at the ORNL s Distributed Energy Communications and Control (DECC) Laboratory using our research inverter and synchronous condenser. These systems at the DECC Lab are interconnected to an actual distribution system, the ORNL distribution system, which is fed from TVA s 161kV sub-transmission backbone. The test results are also provided and discussed. The simulations and testing show that local voltage control from DER can prevent local voltage collapse. The results also show that the control can be provided so quickly, within 0.5 seconds, that is does not interfere with conventional utility methods.

Kueck, John D [ORNL; Rizy, D Tom [ORNL; Li, Fangxing [ORNL; Xu, Yan [ORNL; Li, Huijuan [University of Tennessee, Knoxville (UTK); Adhikari, Sarina [ORNL; Irminger, Philip [ORNL

2008-12-01T23:59:59.000Z

142

The Metagalactic Ionizing Field in the Local Group  

E-Print Network [OSTI]

We discuss the sources which are likely to dominate the ionizing field throughout the Local Group. In terms of the limiting flux to produce detectable H-alpha emission (4-10 x 10**3 phot/cm**2/s), the four dominant galaxies (M31, Galaxy, M33, LMC) have spheres of influence which occupy a small fraction (<10%) of the Local Volume. There are at least two possible sources of ionization whose influence could be far more pervasive: (i) a cosmic background of ionizing photons; (ii) a pervasive warm plasma throughout the Local Group. The COBE FIRAS sky temperature measurements permit a wide variety of plasmas with detectable ionizing fields. It has been suggested (Blitz et al. 1996; Spergel et al. 1996; Sembach et al. 1995, 1998) that a substantial fraction of high velocity clouds are external to the Galaxy but within the Local Group. Deep H-alpha detections are the crucial test of these claims and, indeed, provide a test bed for the putative Local Group corona.

J. Bland-Hawthorn

1998-06-23T23:59:59.000Z

143

Medial Axis Local Planner: Local Planning for Medial Axis Roadmaps  

E-Print Network [OSTI]

is the Probabilistic Roadman Method (PRM), which generates a graph of the free space of an environment referred to as a roadmap. In this work we describe a new approach to making high clearance paths when using PRM The medial axis is useful for this since...

Manavi, Kasra Mehron

2012-07-16T23:59:59.000Z

144

Mapping local hippocampal changes in Alzheimer's disease and normal ageing with MRI at 3 Tesla  

E-Print Network [OSTI]

Mapping local hippocampal changes in Alzheimer's disease and normal ageing with MRI at 3 Tesla and Alzheimer's disease based on high resolution MRI at 3 Tesla. T1-weighted images were acquired from 19

Thompson, Paul

145

Integrating GIS and World Wide Web for local elections -- a case study in College Station, Texas  

E-Print Network [OSTI]

analyzed. Results show that two ballots from College Station local election events have high correlation with the ballots on the recent Munson Avenue issue. The voting patterns are found to have a similar spatial distribution pattern. It suggests...

Shi, Bing

2012-06-07T23:59:59.000Z

146

Local Varying-Alpha Theories  

E-Print Network [OSTI]

In a recent paper we demonstrated how the simplest model for varying alpha may be interpreted as the effect of a dielectric material, generalized to be consistent with Lorentz invariance. Unlike normal dielectrics, such a medium cannot change the speed of light, and its dynamics obey a Klein-Gordon equation. This work immediately suggests an extension of the standard theory, even if we require compliance with Lorentz invariance. Instead of a wave equation, the dynamics may satisfy a local algebraic relation involving the permittivity and the properties of the electromagnetic field, in analogy with more conventional dielectric (but still preserving Lorentz invariance). We develop the formalism for such theories and investigate some phenomenological implications. The problem of the divergence of the classical self-energy can be solved, or at least softened, in this framework. Some interesting new cosmological solutions for the very early universe are found, including the possibility of a bounce, inflation and expansion with a loitering phase, all of which are induced by early variations in alpha.

John D. Barrow; Joao Magueijo

2015-01-30T23:59:59.000Z

147

Global vs local Casimir effect  

E-Print Network [OSTI]

This paper continues the investigation of the Casimir effect with the use of the algebraic formulation of quantum field theory in the initial value setting. Basing on earlier papers by one of us (AH) we approximate the Dirichlet and Neumann boundary conditions by simple interaction models whose nonlocality in physical space is under strict control, but which at the same time are admissible from the point of view of algebraic restrictions imposed on models in the context of Casimir backreaction. The geometrical setting is that of the original parallel plates. By scaling our models and taking appropriate limit we approach the sharp boundary conditions in the limit. The global force is analyzed in that limit. One finds in Neumann case that although the sharp boundary interaction is recovered in the norm resolvent sense for each model considered, the total force per area depends substantially on its choice and diverges in the sharp boundary conditions limit. On the other hand the local energy density outside the interaction region, which in the limit includes any compact set outside the strict position of the plates, has a universal limit corresponding to sharp conditions. This is what one should expect in general, and the lack of this discrepancy in Dirichlet case is rather accidental. Our discussion pins down its precise origin: the difference in the order in which scaling limit and integration over the whole space is carried out.

Andrzej Herdegen; Mariusz Stopa

2010-07-13T23:59:59.000Z

148

A Quantum Lovasz Local Lemma  

E-Print Network [OSTI]

The Lovasz Local Lemma (LLL) is a powerful tool in probability theory to show the existence of combinatorial objects meeting a prescribed collection of "weakly dependent" criteria. We show that the LLL extends to a much more general geometric setting, where events are replaced with subspaces and probability is replaced with relative dimension, which allows to lower bound the dimension of the intersection of vector spaces under certain independence conditions. Our result immediately applies to the k-QSAT problem: For instance we show that any collection of rank 1 projectors with the property that each qubit appears in at most $2^k/(e \\cdot k)$ of them, has a joint satisfiable state. We then apply our results to the recently studied model of random k-QSAT. Recent works have shown that the satisfiable region extends up to a density of 1 in the large k limit, where the density is the ratio of projectors to qubits. Using a hybrid approach building on work by Laumann et al. we greatly extend the known satisfiable region for random k-QSAT to a density of $\\Omega(2^k/k^2)$. Since our tool allows us to show the existence of joint satisfying states without the need to construct them, we are able to penetrate into regions where the satisfying states are conjectured to be entangled, avoiding the need to construct them, which has limited previous approaches to product states.

Andris Ambainis; Julia Kempe; Or Sattath

2009-11-09T23:59:59.000Z

149

Technical Assistance Resources for State, Local, and Tribal Energy...  

Energy Savers [EERE]

& Local Solution Center Technical Assistance Resources for State, Local, and Tribal Energy Programs Technical Assistance Resources for State, Local, and Tribal Energy Programs...

150

Under Utilization of Local Anesthetics in Infant Lumbar Punctures  

E-Print Network [OSTI]

Ochoa LF. Role of local anesthesia during lumbar puncturesnot routinely received local anesthesia prior to LP. Studyreceived local procedural anesthesia by emergency medicine

Gorchynski, Julie; Everett, Worth; Prebil, Linda

2008-01-01T23:59:59.000Z

151

Wellhead protection programs: Tools for local governments  

SciTech Connect (OSTI)

The Technical Assistance Document (TAD) describes how localities can, as a part of a State Wellhead Protection Program, develop and implement effective techniques for the protection of ground water. The document emphasizes innovative wellhead protection methods that have been used by local communities, discusses combinations of programs that have worked well, and presents several factors that affect the success of local wellhead protection programs, such as budgetary constraints and legal issues.

Harvey, R.; Linquiti, P.

1989-04-01T23:59:59.000Z

152

Local Energy Velocity of Classical Fields  

E-Print Network [OSTI]

It is proposed to apply a recently developed concept of local wave velocities to the dynamical field characteristics, especially for the canonical field energy density. It is shown that local energy velocities can be derived from the lagrangian directly. The local velocities of zero- and first- order for energy propagation has been obtained for special cases of scalar and vector fields. Some important special cases of these results are discussed.

I. V. Drozdov; A. A. Stahlhofen

2007-04-19T23:59:59.000Z

153

Dynamical Localization in Kicked Quantum Rotors  

E-Print Network [OSTI]

The periodically $\\delta$-kicked quantum linear rotor is known to experience non-classical bounded energy growth due to quantum dynamical localization in angular momentum space. We study the effect of random deviations of the kick period in simulations and experiments. This breaks the energy and angular momentum localization and increases the rotational alignment, which is the analog of the onset of Anderson localization in 1-D chains.

Kamalov, Andrei; Bucksbaum, Philip H

2015-01-01T23:59:59.000Z

154

Local Option- Property Tax Exemption for Solar  

Broader source: Energy.gov [DOE]

Virginia allows any county, city or town to exempt or partially exempt solar energy equipment or recycling equipment from local property taxes. Residential, commercial or industrial property is...

155

Rank Reduction for the Local Consistency Problem  

E-Print Network [OSTI]

We address the problem of how simple a solution can be for a given quantum local consistency instance. More specifically, we investigate how small the rank of the global density operator can be if the local constraints are known to be compatible. We prove that any compatible local density operators can be satisfied by a low rank global density operator. Then we study both fermionic and bosonic versions of the N-representability problem as applications. After applying the channel-state duality, we prove that any compatible local channels can be obtained through a global quantum channel with small Kraus rank.

Jianxin Chen; Zhengfeng Ji; Alexander Klyachko; David W. Kribs; Bei Zeng

2012-02-09T23:59:59.000Z

156

Localized domain patterns in complex polymers  

E-Print Network [OSTI]

Localized domain patterns in complex polymers abstract. Block copolymers are macromolecules that can form variety of microstructures as a result of incomplete

157

Convolution type operators on locally compact groups  

E-Print Network [OSTI]

Shtein--~erg, Convolution Type Operators on Locally Compact Groups [in Russian],. Manuscript Deposited in the All-Union Institute of Scientific and Technical ...

158

MULTISCALE ANALYSIS IMPLIES STRONG DYNAMICAL LOCALIZATION  

E-Print Network [OSTI]

localized region), E n k� \\Lambda 1 j(H(!))� \\Lambda 2 k o Ÿ kjk1 \\Delta dist(\\Lambda 1 ; \\Lambda 2 ) \\Gamma

Stollmann, P.

159

ALFALFA: HI Cosmology in the Local Universe  

E-Print Network [OSTI]

For the last 25 years, the 21 cm line has been used productively to investigate the large-scale structure of the Universe, its peculiar velocity field and the measurement of cosmic parameters. In February 2005 a blind HI survey that will cover 7074 square degrees of the high latitude sky was started at Arecibo, using the 7-beam feed L-band feed array (ALFA). Known as the Arecibo Legacy Fast ALFA (ALFALFA) Survey, the program is producing a census of HI-bearing objects over a cosmologically significant volume of the local Universe. With respect to previous blind HI surveys, ALFALFA offers an improvement of about one order of magnitude in sensitivity, 4 times the angular resolution, 3 times the spectral resolution, and 1.6 times the total bandwidth of HIPASS. ALFALFA can detect 7 X 10**4 D**2 solar masses of HI, where D is the source distance in Mpc. As of mid 2007, 44% of the survey observations and 15% of the source extraction are completed. We discuss the status of the survey and present a few preliminary re...

Giovanelli, Riccardo

2007-01-01T23:59:59.000Z

160

ALFALFA: HI Cosmology in the Local Universe  

E-Print Network [OSTI]

For the last 25 years, the 21 cm line has been used productively to investigate the large-scale structure of the Universe, its peculiar velocity field and the measurement of cosmic parameters. In February 2005 a blind HI survey that will cover 7074 square degrees of the high latitude sky was started at Arecibo, using the 7-beam feed L-band feed array (ALFA). Known as the Arecibo Legacy Fast ALFA (ALFALFA) Survey, the program is producing a census of HI-bearing objects over a cosmologically significant volume of the local Universe. With respect to previous blind HI surveys, ALFALFA offers an improvement of about one order of magnitude in sensitivity, 4 times the angular resolution, 3 times the spectral resolution, and 1.6 times the total bandwidth of HIPASS. ALFALFA can detect 7 X 10**4 D**2 solar masses of HI, where D is the source distance in Mpc. As of mid 2007, 44% of the survey observations and 15% of the source extraction are completed. We discuss the status of the survey and present a few preliminary results, in particular with reference to the proposed "dark galaxy" VirgoHI21.

Riccardo Giovanelli

2007-07-22T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

An explicit finite element formulation for dynamic strain localization and damage evolution in metals  

SciTech Connect (OSTI)

An explicit finite element formulation, used to study the behavior and failure mechanisms of metallic materials under high strain rate loading, is presented. The formulation is based on the assumed-strain approach of Fish and Belytschko [1988], which allows localization bands to be embedded within an element, thereby alleviating mesh sensitivity and reducing the required computational effort. The behavior of the material outside localization bands (and of the virgin material prior to the onset of strain localization) is represented using a Gurson-type coupled plasticity-damage model based on the work of Johnson and Addessio [1988]. Assuming adiabatic conditions, the response of the localization band material is represented by a set of constitutive equations for large elasticviscoplastic deformations in metals at high strain rates and high homologous temperatures (see Brown et al. [1989]). Computational results are compared to experimental data for different metallic alloys to illustrate the advantages of the proposed modeling strategy.

Mourad, Hashem M [Los Alamos National Laboratory; Bronkhorst, Curt A [Los Alamos National Laboratory; Addessio, Francis L [Los Alamos National Laboratory

2010-12-16T23:59:59.000Z

162

Predictable nonwandering localization of covariant Lyapunov vectors and cluster synchronization in scale-free networks of chaotic maps  

E-Print Network [OSTI]

Covariant Lyapunov vectors for scale-free networks of Henon maps are highly localized. We revealed two mechanisms of the localization related to full and phase cluster synchronization of network nodes. In both cases the localization nodes remain unaltered in course of the dynamics, i.e., the localization is nonwandering. Moreover this is predictable: the localization nodes are found to have specific dynamical and topological properties and they can be found without computing of the covariant vectors. This is an example of explicit relations between the system topology, its phase space dynamics, and the associated tangent space dynamics of covariant Lyapunov vectors.

Pavel V. Kuptsov; Anna V. Kuptsova

2014-06-22T23:59:59.000Z

163

Adaptive AFM scan speed control for high aspect ratio fast structure tracking  

SciTech Connect (OSTI)

Improved imaging rates in Atomic Force Microscopes (AFM) are of high interest for disciplines such as life sciences and failure analysis of semiconductor wafers, where the sample topology shows high aspect ratios. Also, fast imaging is necessary to cover a large surface under investigation in reasonable times. Since AFMs are composed of mechanical components, they are associated with comparably low resonance frequencies that undermine the effort to increase the acquisition rates. In particular, high and steep structures are difficult to follow, which causes the cantilever to temporarily loose contact to or crash into the sample. Here, we report on a novel approach that does not affect the scanner dynamics, but adapts the lateral scanning speed of the scanner. The controller monitors the control error signal and, only when necessary, decreases the scan speed to allow the z-piezo more time to react to changes in the sample's topography. In this case, the overall imaging rate can be significantly increased, because a general scan speed trade-off decision is not needed and smooth areas are scanned fast. In contrast to methods trying to increase the z-piezo bandwidth, our method is a comparably simple approach that can be easily adapted to standard systems.

Ahmad, Ahmad; Schuh, Andreas; Rangelow, Ivo W. [Department of Microelectronic and Nanoelectronic Systems, Faculty of Electrical Engineering and Information Technology Ilmenau University of Technology, Gustav-Kirchhoffstr. 1, 98684 Ilmenau (Germany)

2014-10-15T23:59:59.000Z

164

Local structure and dynamics in colloidal fluids and gels  

E-Print Network [OSTI]

Gels in soft-matter systems are an important nonergodic state of matter. We study a colloid-polymer mixture which is quenched by increasing the polymer concentration, from a fluid to a gel. Using confocal microscopy, we study both the static structure and dynamics in three dimensions (3D). Between the dynamically arrested gel and ergodic fluid comprised of isolated particles we find an intermediate 'cluster fluid' state, where the 'bonds' between the colloidal particles have a finite lifetime. The local dynamics are reminiscent of a fluid, while the local structure is almost identical to that of the gel. Simultaneous real-time local structural analysis and particle tracking in 3D at the single-particle level yields the following interesting information. Particles in the clusters move in a highly correlated manner, but, at the same time, exhibit significant dynamical heterogeneity, reflecting the enhanced mobility near the free surface. Deeper quenching eventually leads to a gel state where the 'bond' lifetime exceeds that of the experiment, although the local structure is almost identical to that of the 'cluster fluid'.

Takehiro Ohtsuka; C. Patrick Royall; Hajime Tanaka

2009-04-17T23:59:59.000Z

165

Ultrafast charge localization in a stripe-phase nickelate  

SciTech Connect (OSTI)

Self-organized electronically-ordered phases are a recurring feature in correlated materials, resulting in e.g. fluctuating charge stripes whose role in high-Tc superconductivity is under debate. However, the relevant cause-effect relations between real-space charge correlations and low-energy excitations remain hidden in time-averaged studies. Here, we reveal ultrafast charge localization and lattice vibrational coupling as dynamical precursors of stripe formation in the model compound La1.75Sr0.25NiO4, using ultrafast and equilibrium mid-infrared spectroscopy. The opening of a pseudogap at a crossover temperature T* far above long-range stripe formation establishes the onset of electronic localization which is accompanied by an enhanced Fano asymmetry of Ni-O stretch vibrations. Ultrafast excitation triggers a sub-picosecond dynamics exposing the synchronous modulation of electron-phonon coupling and charge localization. These results illuminate the role of localization in forming the pseudogap in nickelates, opening a path to understanding this mysterious phase in a broad class of complex oxides.

Coslovich, Giacomo; Huber, Bernhard; Lee, Wei-Sheng; Sasagawa, Takao; Hussain, Zahid; Bechtel, Hans A.; Martin, Michael C.; Shen, Zhi-Xun; W. Schoenlein, Robert; A. Kaindl, Robert

2013-08-30T23:59:59.000Z

166

Electron localization in solid acetonitrile.  

SciTech Connect (OSTI)

Electron localization in the bulk condensed phases of acetonitrile differs drastically from the corresponding processes that take place in water and aliphatic alcohols. In particular, electron capture following the ionization of liquid and solid acetonitrile yields well-defined radical anions in place of the largely structureless solvated and trapped electrons characteristic of irradiated solutions and rigid glasses. This is remarkable given the many similarities that exist not only between the intrinsic properties of these individual solvent molecules, such as polarity, but also in their cooperative capacity to function as solvents. Here, with the aid of detailed experimental and computational studies, we examine on a fundamental level what gives rise to such a sharp contrast in the behavior of these alkyl cyanides as compared to water and alcohols. EPR and optical spectra, and ab initio calculations on the radical anions are used together with diffraction data for the crystal structures to demonstrate that electron attachment to nitrile molecules in the crystalline state results in a significant bending of the linear CCN moiety. Moreover, in the formation of the dimer anions, which only takes place in certain crystalline phases, it is determined that the intermolecular bonding occurs between the cyanide carbons in an antiparallel arrangement. A staggered structure for the dimer anion in {alpha}-acetonitrile is then suggested, in which there is a nearly coplanar arrangement with the two bent CCN fragments. The resulting structure accounts for the observed EPR parameters, the position of the UV-vis absorption band, and the trends observed in the vibronic progressions for the four H/D isotopomers. The dimer radical anion in a-acetonitrile retains the same orientation and symmetry as that of the preexisting neutral {l_brace}CH{sub 3}CN{r_brace}{sub 2} pairs in this crystal despite the resulting changes in molecular geometry and in the translational coordinates for the cyanide carbons as the two acetonitrile molecules come together. We suggest that dimer anions of nitriles can form only in the phases where such 'antiparallel' pairs occur, including liquid systems; otherwise, the electron remains attached to a single molecule, as in {beta}-acetonitrile. Because electron capture by water or alcohol molecules in the condensed phase appears to require larger molecular clusters, the contrast between the behavior of these solvents and acetonitrile is attributable to the relative ease with which acetonitrile molecules in the crystal or solvent can undergo valence-electron attachment via their accessible low-lying {pi}* orbitals.

Shkrob, I. A.; Takeda, K.; Williams, F.; Chemistry; Univ. of Tennessee

2002-10-03T23:59:59.000Z

167

Natural geometric representation for electron local observables  

SciTech Connect (OSTI)

An existence of the quartic identities for the electron local observables that define orthogonality relations for the 3D quantities quadratic in the electron observables is found. It is shown that the joint solution of the quartic and bilinear identities for the electron observables defines a unique natural representation of the observables. In the natural representation the vector type electron local observables have well-defined fixed positions with respect to a local 3D orthogonal reference frame. It is shown that the natural representation of the electron local observables can be defined in six different forms depending on a choice of the orthogonal unit vectors. The natural representation is used to determine the functional dependence of the electron wave functions on the local observables valid for any shape of the electron wave packet. -- Highlights: •Quartic identities that define the orthogonality relations for the electron local observables are found. •Joint solution of quartic and bilinear identities defines a unique natural representation of the electron local observables. •Functional dependence of the electron wave functions on the electron local observables is determined.

Minogin, V.G., E-mail: minogin@isan.troitsk.ru

2014-03-15T23:59:59.000Z

168

Local Transition Functions of Quantum Turing Machines  

E-Print Network [OSTI]

Foundations of the notion of quantum Turing machines are investigated. According to Deutsch's formulation, the time evolution of a quantum Turing machine is to be determined by the local transition function. In this paper, the local transition functions are characterized for fully general quantum Turing machines, including multi-tape quantum Turing machines, extending the results due to Bernstein and Vazirani.

Masanao Ozawa; Harumichi Nishimura

2000-12-26T23:59:59.000Z

169

CONSERVATION RELATIONS FOR LOCAL THETA CORRESPONDENCE  

E-Print Network [OSTI]

CONSERVATION RELATIONS FOR LOCAL THETA CORRESPONDENCE BINYONG SUN AND CHEN-BO ZHU Abstract. We Classification. 22E46 (Primary). Key words and phrases. conservation relation, theta correspondence, oscillator, Chapter 11] for details #12;CONSERVATION RELATIONS FOR LOCAL THETA CORRESPONDENCE 3 about Casselman

Zhu, Chen-Bo

170

Estimating Vehicle Miles Traveled on Local Roads  

E-Print Network [OSTI]

in social science and we relate it to traffic volumes. We demonstrate that VMT on local roads exhibits a scale-free property: it follows two piecewise (double) power law distributions. In other words, the total local VMT can be obtained by properly...

Qian, Jiayu

2013-11-07T23:59:59.000Z

171

Locally Accessible Information and Distillation of Entanglement  

E-Print Network [OSTI]

A new type of complementary relation is found between locally accessible information and final average entanglement for given ensemble. It is also shown that in some well known distillation protocol, this complementary relation is optimally satisfied. We discuss the interesting trade-off between locally accessible information and distillable entanglement for some states.

Sibasish Ghosh; Pramod Joag; Guruprasad Kar; Samir Kunkri; Anirban Roy

2004-03-18T23:59:59.000Z

172

Local symmetries of non-expanding horizons  

E-Print Network [OSTI]

Local symmetries of a non-expanding horizon has been investigated in the 1st order formulation of gravity. When applied to a spherically symmetric isolated horizon only a U(1) subgroup of the Lorentz group survives as residual local symmetry that one can make use of in constructing an effective theory on the horizon.

Rudranil Basu; Ayan Chatterjee; Amit Ghosh

2010-04-21T23:59:59.000Z

173

LOCALIZED AURORA BEYOND THE AURORAL OVAL  

E-Print Network [OSTI]

LOCALIZED AURORA BEYOND THE AURORAL OVAL Harald U. Frey1 Received 3 June 2005; revised 8 September 2006; accepted 10 October 2006; published 2 March 2007. [1] Aurora is the result of the interaction, there are localized regions of aurora that are unrelated to the ovals and exhibit different morphological, spatial

California at Berkeley, University of

174

Optimal Robot Localization in Trees Rudolf Fleischer  

E-Print Network [OSTI]

Optimal Robot Localization in Trees Rudolf Fleischer Department of Computer Science, The Hong Kong of localization, that is, of a robot finding its position on a map, is an important task for autonomous mobile robots. It has appli­ cations in numerous areas of robotics ranging from aerial photography to autonomous

Fleischer, Rudolf

175

Contributed Paper Biodiversity Conservation in Local Planning  

E-Print Network [OSTI]

Contributed Paper Biodiversity Conservation in Local Planning JAMES R. MILLER, MARTHA GROOM-use policy is increasingly being recognized as fundamental to biodiversity conservation in the United States to support the conservation of biodiversity at local scales. Yet little is known about the pervasiveness

Miller, James R.

176

Kampung Capacity Local Solutions for Sustainable  

E-Print Network [OSTI]

Kampung Capacity Local Solutions for Sustainable Rural Energy in the Baram River Basin, Sarawak for the river basin. Keywords: South East Asia, Malaysia, Rural Energy Access, Local Solutions #12;RAEL Report, Malaysia Rebekah Shirley Daniel Kammen University of California ­ Berkeley Renewable and Appropriate Energy

Kammen, Daniel M.

177

Furthering Your Local Governments' Energy Efficiency Goals-- Part 1- Getting Support From Local Leaders  

Broader source: Energy.gov [DOE]

An overview of some of the best practices for gaining support for energy efficiency projects from your local leaders , key data points and other items of interest that local leaders might look for when approached about supporting energy efficiency projects..

178

Localities and their natural gas : stories of problem diffusion, state preemption, and local government capacity  

E-Print Network [OSTI]

The rapid rise of oil and gas production in the United States poses a new set of policy challenges for local governments. Striving to balance the goals of encouraging economic growth and mitigating its side effects, local ...

Agatstein, Jessica C

2013-01-01T23:59:59.000Z

179

Global-local Structural Optimization Using Response Surfaces of Local Optimization Margins  

E-Print Network [OSTI]

1 Global-local Structural Optimization Using Response Surfaces of Local Optimization Margins Boyang optimization problems. First, a large number of component optimizations for maximization of margins are performed. Response surface approximations (RSA) for maximum margins of component optimization

Neumaier, Arnold

180

Electron localization in liquid acetonitrile.  

SciTech Connect (OSTI)

Time-resolved one- and two-pulse laser dc photoconductivity has been used to observe two kinds of reducing species, anion-1 and anion-2, in liquid acetonitrile. At 25 C, the standard enthalpy of conversion from anion-1 to anion-2 is -44.3 {+-} 3.6 kJ/mol and the conversion time is 3 ns. The high-temperature form, anion-1, absorbs in the IR and migrates >3.3 times faster than any other ion in acetonitrile. This rapid migration has a low activation energy of 3.2 kJ/mol (vs 7.6 kJ/mol for other ions). Anion-1 rapidly transfers the electron to acceptors with high electron affinity, with rate constant up to 10{sup 11} M{sup -1} s{sup -1}. The low-temperature form, anion-2, absorbs in the visible and exhibits normal mobility and electron-transfer rates, ca. 1.5 x 10{sup 10} M{sup -1} s{sup -1}. It reacts, by proton transfer, with two hydrogen-bonded molecules of water and/or aliphatic alcohols. Laser photoexcitation of these two solvent anions in their respective absorption bands leads to the formation of CH{sub 3} and CN{sup -}. We present arguments indicating that anion-2 is a dimer radical anion of acetonitrile, whereas anion-1 is a multimer radical anion that may be regarded as a 'solvated electron'.

Shkrob, I. A.; Sauer, M. C.; Chemistry

2002-10-03T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

Signal machines : localization of isolated accumulation Signal machines : localization of isolated  

E-Print Network [OSTI]

Signal machines : localization of isolated accumulation Signal machines : localization of isolated'Orléans, Orléans, FRANCE 6 mars 2011 Journées Calculabilités Paris 1 / 39 #12;Signal machines : localization of isolated accumulation 1 Signal machines and isolated accumulations 2 Necessary conditions

Durand-Lose, Jérôme

182

Local Basis Expansions for MEG Source Localization. Partha P. Mitra1  

E-Print Network [OSTI]

, but are not identical to, spherical harmonics. Components of the transformed sensor measure- ments which correspond density power. The latter is particularly useful for localization of spontaneous activity. Below we first of the LBEX technique is to transform a global basis set into a local basis set for a given local region

183

Exploiting locality in quantum computation for quantum chemistry  

E-Print Network [OSTI]

Accurate prediction of chemical and material properties from first principles quantum chemistry is a challenging task on traditional computers. Recent developments in quantum computation offer a route towards highly accurate solutions with polynomial cost, however this solution still carries a large overhead. In this perspective, we aim to bring together known results about the locality of physical interactions from quantum chemistry with ideas from quantum computation. We show that the utilization of spatial locality combined with the Bravyi-Kitaev transformation offers an improvement in the scaling of known quantum algorithms for quantum chemistry and provide numerical examples to help illustrate this point. We combine these developments to improve the outlook for the future of quantum chemistry on quantum computers.

Jarrod R. McClean; Ryan Babbush; Peter J. Love; Alán Aspuru-Guzik

2014-07-29T23:59:59.000Z

184

Local Control of Reactive Power by Distributed Photovoltaic Generators  

E-Print Network [OSTI]

High penetration levels of distributed photovoltaic (PV) generation on an electrical distribution circuit may severely degrade power quality due to voltage sags and swells caused by rapidly varying PV generation during cloud transients coupled with the slow response of existing utility compensation and regulation equipment. Although not permitted under current standards for interconnection of distributed generation, fast-reacting, VAR-capable PV inverters may provide the necessary reactive power injection or consumption to maintain voltage regulation under difficult transient conditions. As side benefit, the control of reactive power injection at each PV inverter provides an opportunity and a new tool for distribution utilities to optimize the performance of distribution circuits, e.g. by minimizing thermal losses. We suggest a local control scheme that dispatches reactive power from each PV inverter based on local instantaneous measurements of the real and reactive components of the consumed power and the re...

Turitsyn, Konstantin S; Backhaus, Scott; Chertkov, Misha

2010-01-01T23:59:59.000Z

185

Local Option Municipal Economic Development Act (Nebraska)  

Broader source: Energy.gov [DOE]

This act gives local governments the option to provide direct and indirect assistance to business enterprises in their communities, whether for expansion of existing operations, the creation of new...

186

Cooperative localization for autonomous underwater vehicles  

E-Print Network [OSTI]

Self-localization of an underwater vehicle is particularly challenging due to the absence of Global Positioning System (GPS) reception or features at known positions that could otherwise have been used for position ...

Bahr, Alexander

2009-01-01T23:59:59.000Z

187

Force localization in contracting cell layers  

E-Print Network [OSTI]

Epithelial cell layers on soft elastic substrates or pillar arrays are commonly used as model systems for investigating the role of force in tissue growth, maintenance and repair. Here we show analytically that the experimentally observed localization of traction forces to the periphery of the cell layers does not necessarily imply increased local cell activity, but follows naturally from the elastic problem of a finite-sized contractile layer coupled to an elastic foundation. For homogeneous contractility, the force localization is determined by one dimensionless parameter interpolating between linear and exponential force profiles for the extreme cases of very soft and very stiff substrates, respectively. If contractility is sufficiently increased at the periphery, outward directed displacements can occur at intermediate positions, although the edge itself still retracts. We also show that anisotropic extracellular stiffness leads to force localization in the stiffer direction, as observed experimentally.

Carina M. Edwards; Ulrich S. Schwarz

2012-01-13T23:59:59.000Z

188

The Complexity of the Local Hamiltonian Problem  

E-Print Network [OSTI]

The k-local Hamiltonian problem is a natural complete problem for the complexity class QMA, the quantum analog of NP. It is similar in spirit to MAX-k-SAT, which is NP-complete for k<=2. It was known that the problem is QMA-complete for any k <= 3. On the other hand 1-local Hamiltonian is in P, and hence not believed to be QMA-complete. The complexity of the 2-local Hamiltonian problem has long been outstanding. Here we settle the question and show that it is QMA-complete. We provide two independent proofs; our first proof uses only elementary linear algebra. Our second proof uses a powerful technique for analyzing the sum of two Hamiltonians; this technique is based on perturbation theory and we believe that it might prove useful elsewhere. Using our techniques we also show that adiabatic computation with two-local interactions on qubits is equivalent to standard quantum computation.

Julia Kempe; Alexei Kitaev; Oded Regev

2005-10-02T23:59:59.000Z

189

Local Option- Commercial PACE Financing (Utah)  

Broader source: Energy.gov [DOE]

Senate Bill 221 of 2013 authorizes local governments to adopt Commercial* Property Assessed Clean Energy (C-PACE) financing programs. C-PACE allows property owners to finance energy efficiency and...

190

Lakeshore Management by Local Governments (Montana)  

Broader source: Energy.gov [DOE]

This statute grants primary authority to local governments to establish laws and regulations to conserve and protect lakes in their jurisdiction, provided that this authority is used to maintain...

191

Fiscal stimulus through state and local governments  

E-Print Network [OSTI]

State and local governments in the United States make up more than half of total government consumption and investment and almost 90 percent of total government employment. Despite these facts, the debates surrounding ...

Feiveson, Laura (Laura Judith)

2012-01-01T23:59:59.000Z

192

Local Solid Waste Disposal Act (Illinois)  

Broader source: Energy.gov [DOE]

It is the purpose of this Act and the policy of this State to protect the public health and welfare and the quality of the environment by providing local governments with the ability to properly...

193

Localized Helioseismic Constraints on Solar Structure  

E-Print Network [OSTI]

Localized differences between the real sun and standard solar models are shown to be small. The sound speeds of the real and the standard model suns typically differ by less than 0.3% in the solar core.

John N. Bahcall; Sarbani Basu; Pawan Kumar

1997-06-13T23:59:59.000Z

194

Developmental Plasticity Links Local Adaptation and Evolutionary  

E-Print Network [OSTI]

Developmental Plasticity Links Local Adaptation and Evolutionary Diversification in Foraging, University of Arizona, Tucson, Arizona Developmental plasticity is thought to reconcile the constraining role morphology into adulthood, providing an opportunity to directly examine the links between plasticity of bone

Badyaev, Alex

195

Locally-smeared operator product expansions  

SciTech Connect (OSTI)

We propose a "locally-smeared Operator Product Expansion" (sOPE) to decompose non-local operators in terms of a basis of locally-smeared operators. The sOPE formally connects nonperturbative matrix elements of smeared degrees of freedom, determined numerically using the gradient flow, to non-local operators in the continuum. The nonperturbative matrix elements do not suffer from power-divergent mixing on the lattice, provided the smearing scale is kept fixed in the continuum limit. The presence of this smearing scale prevents a simple connection to the standard operator product expansion and therefore requires the construction of a two-scale formalism. We demonstrate the feasibility of our approach using the example of real scalar field theory.

Monahan, Christopher; Orginos, Kostantinos

2014-12-01T23:59:59.000Z

196

Anderson localization of partially incoherent light  

SciTech Connect (OSTI)

We study Anderson localization and propagation of partially spatially incoherent wavepackets in linear disordered potentials, motivated by the insight that interference phenomena resulting from multiple scattering are affected by the coherence of the waves. We find that localization is delayed by incoherence: the more incoherent the waves are, the longer they diffusively spread while propagating in the medium. However, if all the eigenmodes of the system are exponentially localized (as in one- and two-dimensional disordered systems), any partially incoherent wavepacket eventually exhibits localization with exponentially decaying tails, after sufficiently long propagation distances. Interestingly, we find that the asymptotic behavior of the incoherent beam is similar to that of a single instantaneous coherent realization of the beam.

Capeta, D.; Radic, J.; Buljan, H. [Department of Physics, University of Zagreb, PP 332, 10000 Zagreb (Croatia); Szameit, A.; Segev, M. [Physics Department and Solid State Institute, Technion, Haifa 32000 (Israel)

2011-07-15T23:59:59.000Z

197

Guidance for Local Wind Energy Ordinances  

Broader source: Energy.gov [DOE]

Note: The documents described in this summary were designed to provide guidance to local governments that wish to develop their own siting rules for wind turbines. While they were developed under...

198

Local Policy Networks and Agricultural Watershed Management  

E-Print Network [OSTI]

of environmental best management practices. Local networks facilitate diffusion of innovations, the development of adopting environmental practices. These findings have important implications for public administration agencies/organizations increase the rate at which pro- ducers adopt environmental ``best management

Lubell, Mark

199

Using the electron localization function to correct for confinement physics in semi-local density functional theory  

SciTech Connect (OSTI)

We have previously proposed that further improved functionals for density functional theory can be constructed based on the Armiento-Mattsson subsystem functional scheme if, in addition to the uniform electron gas and surface models used in the Armiento-Mattsson 2005 functional, a model for the strongly confined electron gas is also added. However, of central importance for this scheme is an index that identifies regions in space where the correction provided by the confined electron gas should be applied. The electron localization function (ELF) is a well-known indicator of strongly localized electrons. We use a model of a confined electron gas based on the harmonic oscillator to show that regions with high ELF directly coincide with regions where common exchange energy functionals have large errors. This suggests that the harmonic oscillator model together with an index based on the ELF provides the crucial ingredients for future improved semi-local functionals. For a practical illustration of how the proposed scheme is intended to work for a physical system we discuss monoclinic cupric oxide, CuO. A thorough discussion of this system leads us to promote the cell geometry of CuO as a useful benchmark for future semi-local functionals. Very high ELF values are found in a shell around the O ions, and take its maximum value along the Cu–O directions. An estimate of the exchange functional error from the effect of electron confinement in these regions suggests a magnitude and sign that could account for the error in cell geometry.

Hao, Feng, E-mail: hfeng413@gmail.com; Mattsson, Ann E., E-mail: aematts@sandia.gov [Multi-Scale Science MS 1322, Sandia National Laboratories, Albuquerque, New Mexico 87185-1322 (United States); Armiento, Rickard [Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping (Sweden)] [Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping (Sweden)

2014-05-14T23:59:59.000Z

200

A linear program for testing local realism  

E-Print Network [OSTI]

We present a linear program that is capable of determining whether a set of correlations can be captured by a local realistic model. If the correlations can be described by such a model, the linear program outputs a joint probability distribution that produces the given correlations. If the correlations cannot be described under the assumption of local realism, the program outputs a Bell inequality violated by the correlations.

Matthew B. Elliott

2009-05-18T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

EERE's State & Local Energy Data Tool  

SciTech Connect (OSTI)

EERE's State and Local Energy Data (SLED) Tool provides basic energy market information that can help state and local governments plan and implement clean energy projects, including electricity generation; fuel sources and costs; applicable policies, regulations, and financial incentives; and renewable energy resource potential. Watch this video to learn more about the tool and hear testimonials from real users about the benefits of using this tool.

Shambarger, Erick; DeCesaro, Jennifer

2014-06-23T23:59:59.000Z

202

Targeting Illegal Immigration: Local Ordinate Action  

E-Print Network [OSTI]

is adapted, but distinct from, a report on the topic prepared for the U.S. Congressional Research Service. Local Ordinances Targeting Illegal Immigration 1 Executive Summary It has been traditionally the federal government?s responsibility...,000 municipalities and 3,000 counties in the United States, only 21 localities have passed legislation addressing unauthorized immigration in the key areas thought to influence illegal immigration?housing and employment. These ordinances were all passed between...

Gunn, Emily; Moffitt, Jessica; Montemayor, Victoria; Riedel, Sarah; Smith, Bart; Weizel, Daniel

2008-01-01T23:59:59.000Z

203

EERE's State & Local Energy Data Tool  

ScienceCinema (OSTI)

EERE's State and Local Energy Data (SLED) Tool provides basic energy market information that can help state and local governments plan and implement clean energy projects, including electricity generation; fuel sources and costs; applicable policies, regulations, and financial incentives; and renewable energy resource potential. Watch this video to learn more about the tool and hear testimonials from real users about the benefits of using this tool.

Shambarger, Erick; DeCesaro, Jennifer

2014-06-26T23:59:59.000Z

204

West Windsor-Plainsboro High School South wins regional Science...  

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

West Windsor-Plainsboro High School South wins regional Science Bowl at PPPL A dramatic ending to High School Bowl sends local team to nationals By Jeanne Jackson DeVoe February...

205

System and method for bullet tracking and shooter localization  

DOE Patents [OSTI]

A system and method of processing infrared imagery to determine projectile trajectories and the locations of shooters with a high degree of accuracy. The method includes image processing infrared image data to reduce noise and identify streak-shaped image features, using a Kalman filter to estimate optimal projectile trajectories, updating the Kalman filter with new image data, determining projectile source locations by solving a combinatorial least-squares solution for all optimal projectile trajectories, and displaying all of the projectile source locations. Such a shooter-localization system is of great interest for military and law enforcement applications to determine sniper locations, especially in urban combat scenarios.

Roberts, Randy S. (Livermore, CA); Breitfeller, Eric F. (Dublin, CA)

2011-06-21T23:59:59.000Z

206

Local control of reactive power by distributed photovoltaic generators  

SciTech Connect (OSTI)

High penetration levels of distributed photovoltaic (PV) generation on an electrical distribution circuit may severely degrade power quality due to voltage sags and swells caused by rapidly varying PV generation during cloud transients coupled with the slow response of existing utility compensation and regulation equipment. Although not permitted under current standards for interconnection of distributed generation, fast-reacting, VAR-capable PV inverters may provide the necessary reactive power injection or consumption to maintain voltage regulation under difficult transient conditions. As side benefit, the control of reactive power injection at each PV inverter provides an opportunity and a new tool for distribution utilities to optimize the performance of distribution circuits, e.g. by minimizing thermal losses. We suggest a local control scheme that dispatches reactive power from each PV inverter based on local instantaneous measurements of the real and reactive components of the consumed power and the real power generated by the PVs. Using one adjustable parameter per circuit, we balance the requirements on power quality and desire to minimize thermal losses. Numerical analysis of two exemplary systems, with comparable total PV generation albeit a different spatial distribution, show how to adjust the optimization parameter depending on the goal. Overall, this local scheme shows excellent performance; it's capable of guaranteeing acceptable power quality and achieving significant saving in thermal losses in various situations even when the renewable generation in excess of the circuit own load, i.e. feeding power back to the higher-level system.

Chertkov, Michael [Los Alamos National Laboratory; Turitsyn, Konstantin [Los Alamos National Laboratory; Sulc, Petr [Los Alamos National Laboratory; Backhaus, Scott [Los Alamos National Laboratory

2010-01-01T23:59:59.000Z

207

Converting online algorithms to local computation algorithms  

E-Print Network [OSTI]

We propose a general method for converting online algorithms to local computation algorithms by selecting a random permutation of the input, and simulating running the online algorithm. We bound the number of steps of the algorithm using a query tree, which models the dependencies between queries. We improve previous analyses of query trees on graphs of bounded degree, and extend the analysis to the cases where the degrees are distributed binomially, and to a special case of bipartite graphs. Using this method, we give a local computation algorithm for maximal matching in graphs of bounded degree, which runs in time and space O(log^3 n). We also show how to convert a large family of load balancing algorithms (related to balls and bins problems) to local computation algorithms. This gives several local load balancing algorithms which achieve the same approximation ratios as the online algorithms, but run in O(log n) time and space. Finally, we modify existing local computation algorithms for hypergraph 2-color...

Mansour, Yishay; Vardi, Shai; Xie, Ning

2012-01-01T23:59:59.000Z

208

Correlations In n-local Scenario  

E-Print Network [OSTI]

Recently Bell-type inequalities were introduced in Phys. Rev. A \\textbf{85}, 032119 (2012) to analyze the correlations emerging in an entanglement swapping scenario characterized by independence of the two sources shared between three parties. The corresponding scenario was referred to as \\textit{bilocal} scenario. Here, we derive Bell-type inequalities in $n+1$ party scenario, i.e., in $n$-local scenario. Considering the two different cases with several number of inputs and outputs, we derive local and $n$-local bounds. The $n$-local inequality studied for two cases are proved to be tight. Replacing the sources by maximally entangled states for two binary inputs and two binary outputs and also for the fixed input and four outputs, we observe quantum violations of $n$-local bounds. But the resistance offered to noise cannot be increased as compared to the bilocal scenario. Thus increasing the number of parties in a linear fashion in source independent scenario does not contribute in lowering down the requirements of revealing quantumness in a network in contrast to the star configuration (Phys. Rev. A \\textbf{90}, 062109 (2014)) of $n+1$ parties.

Kaushiki Mukherjee; Biswajit Paul; Debasis Sarkar

2015-03-05T23:59:59.000Z

209

Oklahoma Local Development and Enterprise Zone Incentive Leverage Act (Oklahoma)  

Broader source: Energy.gov [DOE]

The Oklahoma Local Development and Enterprise Zone Incentive Leverage Act provides funding for local units of government to match local tax revenue dedicated to support a project located in an...

210

Localized edge states and homoclinic snaking in plane Couette flow  

E-Print Network [OSTI]

-dimension =1) Skufca, Yorke & Eckhardt PRL 2006; Schneider, Eckhardt & Yorke PRL 2007; Schneider et al. PRE channels Schneider, Gibson & Burke, PRL, 2010 Bifurcation diagram: Localized traveling waves Localized-Stokes dynamics Schneider, Gibson & Burke, PRL, 2010 #12;Localized `cousins'

Doedel, Eusebius

211

Topology on locally finite metric spaces  

E-Print Network [OSTI]

The necessity of a theory of General Topology and, most of all, of Algebraic Topology on locally finite metric spaces comes from many areas of research in both Applied and Pure Mathematics: Molecular Biology, Mathematical Chemistry, Computer Science, Topological Graph Theory and Metric Geometry. In this paper we propose the basic notions of such a theory and some applications: we replace the classical notions of continuous function, homeomorphism and homotopic equivalence with the notions of NPP-function, NPP-local-isomorphism and NPP-homotopy (NPP stands for Nearest Point Preserving); we also introduce the notion of NPP-isomorphism. We construct three invariants under NPP-isomorphisms and, in particular, we define the fundamental group of a locally finite metric space. As first applications, we propose the following: motivated by the longstanding question whether there is a purely metric condition which extends the notion of amenability of a group to any metric space, we propose the property SN (Small Neighb...

Capraro, Valerio

2011-01-01T23:59:59.000Z

212

The thermodynamics of general and local anesthesia  

E-Print Network [OSTI]

General anesthetics are known to cause depression of the freezing point of transitions in biomembranes. This is a consequence of ideal mixing of the anesthetic drugs in the membrane fluid phase and exclusion from the solid phase. Such a generic law provides physical justification of the famous Meyer-Overton rule. We show here that general anesthetics, barbiturates and local anesthetics all display the same effect on melting transitions. Their effect is reversed by hydrostatic pressure. Thus, the thermodynamic behavior of local anesthetics is very similar to that of general anesthetics. We present a detailed thermodynamic analysis of heat capacity profiles of membranes in the presence of anesthetics. This analysis is able to describe experimentally observed calorimetric profiles and permits prediction of the anesthetic features of arbitrary molecules. In addition, we discuss the thermodynamic origin of the cutoff-effect of long-chain alcohols and the additivity of the effect of general and local anesthetics.

Graesboll, Kaare; Heimburg, Thomas

2014-01-01T23:59:59.000Z

213

Solar Powering Your Community: A Guide for Local Governments...  

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

SOLAR ENERGY TECHNOLOGIES PROGRAM SOLAR POWERING YOUR COMMUNITY: A GUIDE FOR LOCAL GOVERNMENTS Second edition Cities and local communities across the country are recognizing that...

214

Solar Powering Your Community: A Guide for Local Governments...  

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

Solar Powering Your Community: A Guide for Local Governments (Book), Energy Efficiency & Renewable Energy (EERE) Solar Powering Your Community: A Guide for Local Governments...

215

Energy Department Announces $13 Million to Strengthen Local Solar...  

Office of Environmental Management (EM)

13 Million to Strengthen Local Solar Markets and Spur Solar Deployment Across the United States Energy Department Announces 13 Million to Strengthen Local Solar Markets and Spur...

216

New Energy Department Team Established to Help Local Authorities...  

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

to Help Local Authorities Get Gas Stations Impacted by Hurricane Sandy Back Online New Energy Department Team Established to Help Local Authorities Get Gas Stations Impacted by...

217

State and Local Energy Savings Performance Contracting: Savings...  

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

State and Local Energy Savings Performance Contracting: Savings Measurement and Verification (M&V) State and Local Energy Savings Performance Contracting: Savings Measurement and...

218

Obama Administration Announces Additional $14,521,300 for Local...  

Energy Savers [EERE]

4,521,300 for Local Energy Efficiency Improvements in Rhode Island Obama Administration Announces Additional 14,521,300 for Local Energy Efficiency Improvements in Rhode Island...

219

Obama Administration Announces Additional $52,295,100 for Local...  

Energy Savers [EERE]

52,295,100 for Local Energy Efficiency Improvements in Maryland Obama Administration Announces Additional 52,295,100 for Local Energy Efficiency Improvements in Maryland March 26,...

220

Obama Administration Announces Additional $13,969,700 for Local...  

Energy Savers [EERE]

Obama Administration Announces Additional 13,969,700 for Local Energy Efficiency Improvements in Alaska Obama Administration Announces Additional 13,969,700 for Local Energy...

Note: This page contains sample records for the topic "temporarily high local" 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

Obama Administration Announces Additional $102,508,400 for Local...  

Office of Environmental Management (EM)

02,508,400 for Local Energy Efficiency Improvements in Pennsylvania Obama Administration Announces Additional 102,508,400 for Local Energy Efficiency Improvements in Pennsylvania...

222

Obama Administration Announces Additional $63,817,400 for Local...  

Energy Savers [EERE]

63,817,400 for Local Energy Efficiency Improvements in Arizona Obama Administration Announces Additional 63,817,400 for Local Energy Efficiency Improvements in Arizona March 26,...

223

Obama Administration Announces Additional $37,157,700 for Local...  

Energy Savers [EERE]

Obama Administration Announces Additional 37,157,700 for Local Energy Efficiency Improvements in Wisconsin Obama Administration Announces Additional 37,157,700 for Local Energy...

224

Obama Administration Announces Additional $33,977,000 for Local...  

Office of Environmental Management (EM)

33,977,000 for Local Energy Efficiency Improvements in Puerto Rico Obama Administration Announces Additional 33,977,000 for Local Energy Efficiency Improvements in Puerto Rico...

225

T-653: Linux Kernel sigqueueinfo() Process Lets Local Users Send...  

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

Process Lets Local Users Send Spoofed Signals T-653: Linux Kernel sigqueueinfo() Process Lets Local Users Send Spoofed Signals June 23, 2011 - 4:49am Addthis PROBLEM:...

226

U.S. Environmental Protection Agency State and Local Climate...  

Open Energy Info (EERE)

and Local Climate and Energy Program Jump to: navigation, search Name U.S. Environmental Protection Agency State and Local Climate and Energy Program AgencyCompany Organization...

227

Local Incentive-Based Policy for Vegetable-Agroforestry: alocally...  

Open Energy Info (EERE)

Vegetable-Agroforestry: a locally-appropriate adaptation and mitigation action (LAAMA) to climate change Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Local...

228

Local Program Helps Alabama Manufacturers Add Jobs, Reduce Waste...  

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

Local Program Helps Alabama Manufacturers Add Jobs, Reduce Waste and Increase Profits Local Program Helps Alabama Manufacturers Add Jobs, Reduce Waste and Increase Profits April 8,...

229

Local Leaders: Respond to Natural Gas Disruptions | Department...  

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

Natural Gas Disruptions Local Leaders: Respond to Natural Gas Disruptions Local Leaders: Respond to Natural Gas Disruptions Because natural gas is distributed through underground...

230

Benchmarking and Disclosure: State and Local Policy Design Guide...  

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

is a state and local effort facilitated by the federal government that helps states, utilities, and other local stakeholders take energy efficiency to scale and achieve all...

231

Local environment and composition of magnesium gallium layered...  

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

Local environment and composition of magnesium gallium layered double hydroxides determined from solid-state 1H and 71Ga NMR Local environment and composition of magnesium gallium...

232

anexiales experiencia local: Topics by E-print Network  

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

mosaics are constructed and used to localize a mobile robot operating in the modeled environment. Straightforward techniques from vision-based localization and mosaicking are used...

233

adenocarcinomes pancreatiques localement: Topics by E-print Network  

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

mosaics are constructed and used to localize a mobile robot operating in the modeled environment. Straightforward techniques from vision-based localization and mosaicking are used...

234

ampullectomy experiencia local: Topics by E-print Network  

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

mosaics are constructed and used to localize a mobile robot operating in the modeled environment. Straightforward techniques from vision-based localization and mosaicking are used...

235

Local Soot Loading Distribution in Cordierite Diesel Particulate...  

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

Local Soot Loading Distribution in Cordierite Diesel Particulate Filters by Dynamic Neutron Radiography Local Soot Loading Distribution in Cordierite Diesel Particulate Filters by...

236

Local Energy Alliance Program Adds Green Appraisal Capabilities...  

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

Local Energy Alliance Program Adds Green Appraisal Capabilities to its Energy Efficiency Services Local Energy Alliance Program Adds Green Appraisal Capabilities to its Energy...

237

Energy Department Awards $5 Million to Spur Local Clean Energy...  

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

5 Million to Spur Local Clean Energy Development, Energy Savings Energy Department Awards 5 Million to Spur Local Clean Energy Development, Energy Savings October 14, 2014 -...

238

U-094: EMC Documentum Content Server Lets Local Administrative...  

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

4: EMC Documentum Content Server Lets Local Administrative Users Gain Elevated Privileges U-094: EMC Documentum Content Server Lets Local Administrative Users Gain Elevated...

239

Evidence for Localization of Reaction Upon Reduction of Carbon...  

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

Localization of Reaction Upon Reduction of Carbon Tetrachloride by Granular Iron. Evidence for Localization of Reaction Upon Reduction of Carbon Tetrachloride by Granular Iron....

240

State and Local Code Implementation: Northeast Region - 2014...  

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

Local Code Implementation: South-central Region - 2014 BTO Peer Review Building Energy Codes Program - 2014 BTO Peer Review State and Local Code Implementation: State Energy...

Note: This page contains sample records for the topic "temporarily high local" 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

Phonon localization drives nanoregions in a relaxor ferroelectric...  

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

localization drives nanoregions in a relaxor ferroelectric April 11, 2014 This inelastic neutron scattering spectrum shows the localizing modes (LMs) between the transverse optic...

242

albicans interactions localization: Topics by E-print Network  

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

from a local polarizability model MIT - DSpace Summary: A local approximation for dynamic polarizability leads to a nonlocal functional for the long-range dispersion...

243

Secretary Chu Announces Over $8 Million to Support Local Energy...  

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

Local Energy Assurance Planning (LEAP) funds will allow local governments to hire and train staff and expand their capabilities to respond to a variety of energy emergencies such...

244

Power Purchase Agreement Checklist for State and Local Governments...  

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

Checklist for State and Local Governments Power Purchase Agreement Checklist for State and Local Governments Provides a detailed guide to power purchase agreements for state and...

245

Local diamagnetic susceptibility of quasi-two-dimensional graphite  

SciTech Connect (OSTI)

A sample of quasi-two-dimensional graphite (QTDG) whose magnetic properties are described within the Dirac fermion model is investigated by the nuclear magnetic resonance (NMR) and scanning tunneling microscopy (STM) techniques. The broad spectrum of the sample points to a large dispersion of crystallite sizes in this system, which is also confirmed by STM data. It is established that the local diamagnetic susceptibility may substantially exceed the average value over the sample and reaches an abnormally high value of -1.3 Multiplication-Sign 10{sup -4} emu/g at T = 4.2 K, which is greater than the corresponding value of highly oriented graphite by a factor of four.

Nikolaev, E. G., E-mail: nikolaev@kapitza.ras.ru [Russian Academy of Sciences, Kapitsa Institute for Physical Problems (Russian Federation); Kotosonov, A. S. [OAO NIIgrafit (Russian Federation)] [OAO NIIgrafit (Russian Federation); Shalashugina, E. A.; Troyanovskii, A. M. [Russian Academy of Sciences, Kapitsa Institute for Physical Problems (Russian Federation)] [Russian Academy of Sciences, Kapitsa Institute for Physical Problems (Russian Federation); Tsebro, V. I. [Russian Academy of Sciences, Lebedev Physical Institute (Russian Federation)] [Russian Academy of Sciences, Lebedev Physical Institute (Russian Federation)

2013-08-15T23:59:59.000Z

246

Local composition models for lattice mixtures  

SciTech Connect (OSTI)

A detailed comparison is made of several local-composition lattice models. The models considered include several popular activity coefficient models: the Wilson equation, Guggenheim`s quasi-chemical theory (GQC), the nonrandom two-liquid theory (NRTL), and the universal quasi-chemical (UNIQUAC) theory. Also considered are three recently developed lattice models: the Born-Green-Yvon (BGY) model, the nonrandom surface fraction (NRSF) model, and the Aranovich-Donohue (AD) model. Similarities and differences in the assumptions regarding the local compositions are examined. Detailed comparisons are made for both symmetric and asymmetric monomer mixtures as well as for polymer/solvent mixtures with Monte Carlo simulations.

Wu, D.W.; Cui, Y.; Donohue, M.D. [Johns Hopkins Univ., Baltimore, MD (United States). Dept. of Chemical Engineering] [Johns Hopkins Univ., Baltimore, MD (United States). Dept. of Chemical Engineering

1998-08-01T23:59:59.000Z

247

Localized quantum walks as secured quantum memory  

E-Print Network [OSTI]

We show that a quantum walk process can be used to construct and secure quantum memory. More precisely, we show that a localized quantum walk with temporal disorder can be engineered to store the information of a single, unknown qubit on a compact position space and faithfully recover it on demand. Since the localization occurss with a finite spread in position space, the stored information of the qubit will be naturally secured from the simple eavesdropper. Our protocol can be adopted to any quantum system for which experimental control over quantum walk dynamics can be achieved.

C. M. Chandrashekar; Th. Busch

2015-04-21T23:59:59.000Z

248

Graphene Nanoribbon in Sharply Localized Magnetic Fields  

E-Print Network [OSTI]

We study the effect of a sharply localized magnetic field on the electron transport in a strip (ribbon) of graphene sheet, which allows to give results for the transmission and reflection probability through magnetic barriers. The magnetic field is taken as a single and double delta type localized functions, which are treated later as the zero width limit of gaussian fields. For both field configurations, we evaluate analytically and numerically their transmission and reflection coefficients. The possibility of spacial confinement due to the inhomogeneous field configuration is also investigated.

Abdulaziz D. Alhaidari; Hocine Bahlouli; Abderrahim El Mouhafid; Ahmed Jellal

2013-03-20T23:59:59.000Z

249

Local Providers | Y-12 National Security Complex  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations and Multi-Fractal BehaviourLocal

250

Local Students Explore ARM Program Site  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations and Multi-Fractal BehaviourLocal3

251

Local companies learn about resources for success  

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 MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations and Multi-FractalLocal

252

An emerging architecture of local experimentalist governance in China : a study of local innovations in Baoding, 1992-2012  

E-Print Network [OSTI]

What are the conditions under which local actors are more likely to carry out policy innovations that produce environmental or social benefits in local China? Previous studies on "Chinese experimentalism" suggest that local ...

Shin, Kyoung Mun

2014-01-01T23:59:59.000Z

253

Localized dynamic subgrid closure for simulation of magnetohydrodynamic turbulence  

SciTech Connect (OSTI)

A local dynamic kinetic energy model (LDKM) for large-eddy simulation (LES) of magnetohydrodynamic (MHD) turbulence is proposed. The proposed MHD turbulence model evaluates all model coefficients locally and dynamically without any ad hoc averaging. This model also does not assume low magnetic Reynolds numbers. The turbulent residual-helicity effect ({alpha}-effect) appearing in the magnetic induction equation is successfully modeled. For validation, high-Re decaying isotropic decay turbulence with and without a mean magnetic field are studied using LES. The effect of rotation is also studied. For the case without rotation, it is observed that the energy spectrum follows a k{sup -5/3} law. For the case with rotation, it is shown that two mechanisms, phase scrambling due to frame rotation and Joule dissipation, are competing, and two distinct regimes with respect to rotation rate are observed. There is a critical rotation rate at which the energy decays most in MHD turbulence. It is also shown that this MHD-LDKM model is applicable to wide variety of high/low magnetic Reynolds number applications.

Miki, Kenji; Menon, Suresh [Georgia Institute of Technology, School of Aerospace Engineering, Atlanta, Georgia 30332-0150 (United States)

2008-07-15T23:59:59.000Z

254

Building Local Terrain Maps Using SpatioTemporal Classification for Semantic Robot Localization  

E-Print Network [OSTI]

of the environment. We describe how to efficiently integrate the classification results of each time stepBuilding Local Terrain Maps Using Spatio­Temporal Classification for Semantic Robot Localization Stefan Laible1 and Andreas Zell1 Abstract-- The correct classification of the surrounding ter- rain

Zell, Andreas

255

Network Localities 1 Network Localities: Identity, Place, and Digital Media1  

E-Print Network [OSTI]

in concrete places, practices, and material relations. The contrast between global flows and local practice and interests. Two cases of network localization around age-cohort identity are presented: SeniorNet, a network possibilities for affiliation and solidarity. At the same time, it is grounded in particular social practices

Ito, Mimi

256

Locality hypothesis and the speed of light  

E-Print Network [OSTI]

The locality hypothesis is generally considered necessary for the study of the kinematics of non-inertial systems in special relativity. In this paper we discuss this hypothesis, showing the necessity of an improvement, in order to get a more clear understanding of the various concepts involved, like coordinate velocity and standard velocity of light. Concrete examples are shown, where these concepts are discussed.

G. Longhi

2006-10-11T23:59:59.000Z

257

EPA`s local governments reimbursement program  

SciTech Connect (OSTI)

Under the Superfund Amendments and Reauthorization Act (SARA), section 123 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), Congress enacted the Local Governments Reimbursement (LGR) Program. The program`s goal is to provide financial relief to local governments that conduct emergency measures in response to releases or threats of releases of hazardous substances, pollutants, or contaminants. The intent of this program is to supply reimbursements of up to $25,000 per incident to the most deserving applicants, specifically local governments, for responses that exceed funds normally available for temporary emergency measures. These monies provide greatly needed support when potentially responsible party (PRP) searches and other cost recovery efforts fail. The standards and the approach for this program are set forth in 40 CFR Part 310, and are consistent with the overall policies and goals of the Superfund program. The maximum amount allocated to the reimbursement program is equal to 0.1 percent of the total amount appropriated for the Superfund, or approximately $1.7 million per year. A major focus of this program is to make known the availability of these funds for reimbursement to local governments in need of financial assistance. This paper highlights the features of this program, illustrates the types of incidents that have been awarded reimbursement, and describes common mistakes to be avoided when applying for reimbursement.

Zeller, E.; Ferguson, J. [Environmental Protection Agency, Washington, DC (United States). Emergency Response Division; Catalano, J.; Lally, R. [Booz Allen and Hamilton, Bethesda, MD (United States)

1994-12-31T23:59:59.000Z

258

EPA`s Local Governments Reimbursement Program  

SciTech Connect (OSTI)

Under the Superfund Amendments and Reauthorization Act (SARA), section 123 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), Congress enacted the Local Governments Reimbursement (LGR) Program. The program`s goal is to provide financial relief to local governments that conduct emergency measures in response to releases or threats of releases of hazardous substances, pollutants, or contaminants. The intent of this program is to supply reimbursements of up to $25,000 per incident to the most deserving applicants, specifically local governments, for responses that exceed funds normally available for temporary emergency measures. These monies provide greatly needed support when potentially responsible party (PRP) searches and other cost-recovery efforts fail. The standards and the approach for this program are set forth in 40 CFR Part 310, and are consistent with the overall policies and goals of the Superfund program. The maximum amount allocated to the reimbursement program is equal to 0.1 percent of the total amount appropriated for the Superfund, or approximately $1.7 million per year. A major focus of this program is to make known the availability of these funds for reimbursement to local governments in need of financial assistance. This paper highlights the features of this program, illustrates the types of incidents that have been awarded reimbursement, and describes common mistakes to be avoided when applying for reimbursement.

Zeller, E.; Ferguson, J. [Environmental Protection Agency, Washington, DC (United States). Emergency Response Division; Catalano, J.; Lally, R. [Booz Allen and Hamilton, McLean, VA (United States)

1995-12-31T23:59:59.000Z

259

Earth Mover's Distance Based Local Discriminant Basis  

E-Print Network [OSTI]

Earth Mover's Distance Based Local Discriminant Basis Bradley Marchand and Naoki Saito Abstract in time and frequency. Its goal, given Bradley Marchand Naval Surface Warfare Center, Panama City Division, e-mail: bradley.marchand@navy.mil Naoki Saito Department of Mathematics, University of California

Saito, Naoki

260

LOCAL LINEAR PID CONTROLLERS FOR NONLINEAR CONTROL  

E-Print Network [OSTI]

1 LOCAL LINEAR PID CONTROLLERS FOR NONLINEAR CONTROL Jing Lan1, Jeongho Cho1, Deniz Erdogmus2, Jos}@cnel.ufl.edu, derdogmus@ieee.org, m.a.motter@larc.nasa.gov Abstract Nonlinear PID design is difficult if one approaches modeling approach with traditional linear PID controller design techniques to arrive at a principled

Slatton, Clint

Note: This page contains sample records for the topic "temporarily high local" 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.


261

CLIMATE CHANGE ADAPTATIONS FOR LOCAL WATER MANAGEMENT  

E-Print Network [OSTI]

CLIMATE CHANGE ADAPTATIONS FOR LOCAL WATER MANAGEMENT IN THE SAN FRANCISCO BAY AREA A White Paper from the California Energy Commission's California Climate Change Center JULY 2012 CEC Climate change will affect both sea level and the temporal and spatial distribution of runoff

262

Explicit Sensor Network Localization using Semidefinite ...  

E-Print Network [OSTI]

Key Words: Sensor Network Localization, Euclidean Distance Matrix ... Cliques in the graph of the SNL problem give rise to this degeneracy in the ..... cone (S) denote the convex cone generated by the set S. We use the Matlab notation 1 : n =.

2010-01-29T23:59:59.000Z

263

A SECOND DERIVATIVE SQP METHOD : LOCAL CONVERGENCE ...  

E-Print Network [OSTI]

phenomenon and, therefore, results in asymptotically superlinear local ..... subproblem (2.6) is generally dense since it uses a sum of rank-1 updates. ... conditions, then the active constraints at x? will ultimately be identified by the predictor ...... Tables 1 and 2 on pages 27 and 28 give our preliminary numerical results for ...

2008-12-28T23:59:59.000Z

264

Local Martingales and Filtration Shrinkage Hans Follmer  

E-Print Network [OSTI]

. Introduction It is a classic result, known as Stricker's theorem, that if one considers a semimartingale, even in the classic case of having the local martingale still adapted, Stricker observed [31 the best known result in this direction is Stricker's Theorem: Theorem 1 (Stricker's Theorem). Let X

Föllmer, Hans

265

Bosnia and Herzegovina Local Level Institutions  

E-Print Network [OSTI]

Bosnia and Herzegovina Local Level Institutions and Social Capital Study Vol. 1 World Bank, ECSSD World Bank Work on Bosnia-Herzegovina 3 Study's Operational Definition of Social Capital 3 Specific Capital 17 B. Social Cleavages and Population Movements 18 Main Social Cleavages in Bosnia-Herzegovina 18

Boyer, Edmond

266

Name: SU ID: Email: Local Phone  

E-Print Network [OSTI]

Name: SU ID: Email: Local Phone: Date: Date B.S. expected: Mathematics and Science Requirement (see note 3) 5 STAT One of: Stat 141, 203, 205, 215, 225 3 to 5 Mathematics Unit Total (23 units office. Students who complete STATS 116, MS&E 120, or CME 106 in Winter 2008-09 or earlier may count

Pratt, Vaughan

267

Name: SU ID: Email: Local Phone  

E-Print Network [OSTI]

Name: SU ID: Email: Local Phone: Date: Date B.S. expected: Mathematics and Science Requirement (see note 3) 5 STAT One of: Stat 141, 203, 205, 215, 225 3 to 5 Mathematics Unit Total (23 units by the Computer Science undergraduate program office. Students who complete STATS 116, MS&E 120, or CME 106

Pratt, Vaughan

268

Name: SU ID: Email: Local Phone  

E-Print Network [OSTI]

Name: SU ID: Email: Local Phone: Date: Date B.S. expected: Mathematics and Science Requirement Introduction to Probability for Computer Scientists (see note 3) 5 STAT One of: Stat 141, 203, 205, 215, 225 3. Students who complete STATS 116, MS&E 120, or CME 106 in Winter 2008-09 or earlier may count that course

Pratt, Vaughan

269

What Cannot Be Computed Locally! Fabian Kuhn  

E-Print Network [OSTI]

What Cannot Be Computed Locally! Fabian Kuhn Dept. of Computer Science ETH Zurich 8092 Zurich, Switzerland kuhn@inf.ethz.ch Thomas Moscibroda Dept. of Computer Science ETH Zurich 8092 Zurich, Switzerland moscitho@inf.ethz.ch Roger Wattenhofer Dept. of Computer Science ETH Zurich 8092 Zurich, Switzerland

Chaudhuri, Soma

270

How to find local vacancies in Cheshire,  

E-Print Network [OSTI]

How to find local vacancies in Cheshire, North West and North Midlands areas This guide is part and workshops. To look at full-time graduate vacancies, part-time jobs and placement opportunities look at www careers website with online job matching service by region www.graduateadvantage.co.uk vacancy information

271

How to find local vacancies in  

E-Print Network [OSTI]

How to find local vacancies in Manchester & the North West This hand out is part of the Jobseeking vacancies, part-time jobs and placement opportunities look at www.mmu.ac.uk/careers/coves. The Careers.graduateadvantage.co.uk vacancy information and support services for graduates in the West Midlands area, including Staffordshire

272

Guidelines on local European forest energy  

E-Print Network [OSTI]

-European: MCPFE ­EU: Forest Action Plan, Rural Development Policy, Renewable Energy Policy EU Renewable Energy1 Guidelines on local European forest energy networks THE SOCIO-ECONOMIC DIMENSION Davide-economic consideration B. Micro-economic consideration 3. A synthesis: SWOT analysis of the wood energy chain 1

Pettenella, Davide

273

A Stability Index for Local Effectivity Functions  

E-Print Network [OSTI]

A Stability Index for Local Effectivity Functions Joseph Abdou October 9, 2009 Abstract We study - France; email: abdou@univ-paris1.fr 1 halshs-00389003,version1-14Oct2009 Author manuscript, published setting (see Abdou and Keiding (2003) for the general notion of effectiv- ity structure), we shall focus

Paris-Sud XI, Université de

274

HYDROGEN LOCAL VIBRATIONAL MODES IN COMPOUND SEMICONDUCTORS  

E-Print Network [OSTI]

HYDROGEN LOCAL VIBRATIONAL MODES IN COMPOUND SEMICONDUCTORS M.D. MCCLUSKEY* University) spectroscopy of hydrogen and deuterium in GaP, AlSb, ZnSe, and GaN has provided important information about the structures of dopant- hydrogen complexes and their interaction with the host lattice. In GaN:Mg, for example

McCluskey, Matthew

275

Rescheduling for Locality in Sparse Matrix Computations  

E-Print Network [OSTI]

. The Finite Element Method (FEM) is a numerical technique used in scien- ti#12;c applications such as Stress in order to improve the data locality in scienti#12;c applications such as Finite Element Analysis Analysis, Heat Transfer, and Fluid Flow. In FEM the physical domain being modeled is discretized

Strout, Michelle Mills

276

Minimizing local automata Marie-Pierre Beal  

E-Print Network [OSTI]

Minimizing local automata Marie-Pierre B´eal Institut Gaspard-Monge University of Marne-la-Vall´ee, CNRS 77454 Marne-la-Vall´ee Cedex 2, France beal@univ-mlv.fr Maxime Crochemore Institut Gaspard

Boyer, Edmond

277

2011 Spring : Highly Distinguished Honors Highly Distinguished  

E-Print Network [OSTI]

Elizabeth Campbell Highly Distinguished Bowker Ripley Eden Highly Distinguished Brandfass Lara Rose Highly Distinguished Brotherton Cara Price Highly Distinguished Brown Anna Laughlin Highly Distinguished Brown Chloe Alix Highly Distinguished Brown Kelsey Michelle Highly Distinguished Brown Kyle Truman Highly

Kasman, Alex

278

Local gravitational physics of the Hubble expansion  

E-Print Network [OSTI]

We study physical consequences of the Hubble expansion of FLRW manifold on measurement of space, time and light propagation in the local inertial frame. We analyse the solar system radar ranging and Doppler tracking experiments, and time synchronization. FLRW manifold is covered by global coordinates (t,y^i), where t is the cosmic time coinciding with the proper time of the Hubble observers. We introduce local inertial coordinates x^a=(x^0,x^i) in the vicinity of a world line of a Hubble observer with the help of a special conformal transformation. The local inertial metric is Minkowski flat and is materialized by the congruence of time-like geodesics of static observers being at rest with respect to the local spatial coordinates x^i. We consider geodesic motion of test particles and notice that the local coordinate time x^0=x^0(t) taken as a parameter along the world line of particle, is a function of the Hubble's observer time t. This function changes smoothly from x^0=t for a particle at rest (observer's clock), to x^0=t+1/2 Ht^2 for photons, where H is the Hubble constant. Thus, motion of a test particle is non-uniform when its world line is parametrized by time t. NASA JPL Orbit Determination Program presumes that motion of light (after the Shapiro delay is excluded) is uniform with respect to the time t but it does not comply with the non-uniform motion of light on cosmological manifold. For this reason, the motion of light in the solar system analysed with the Orbit Determination Program appears as having a systematic blue shift of frequency, of radio waves circulating in the Earth-spacecraft radio link. The magnitude of the anomalous blue shift of frequency is proportional to the Hubble constant H that may open an access to the measurement of this fundamental cosmological parameter in the solar system radiowave experiments.

Sergei Kopeikin

2015-01-21T23:59:59.000Z

279

2009 Spring : Highly Distinguished Honors Highly Distinguished  

E-Print Network [OSTI]

Armstrong Anna P Highly Distinguished Armstrong Jack Ray Highly Distinguished Armstrong Sarah Rose Highly

Kasman, Alex

280

Our Local Story SU Food Services recognizes the positive environmental  

E-Print Network [OSTI]

Our Local Story SU Food Services recognizes the positive environmental and economic impact comes from local dairies. By buying these local products, Food Services is sup- porting local farmers Paper ­ paper products, food service supplies Madina Halal Meat & Grocery Store ­ Halal foods Mimi

Mather, Patrick T.

Note: This page contains sample records for the topic "temporarily high local" 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

LOCAL NESTED STRUCTURE IN RULE 30 ERIC S. ROWLAND  

E-Print Network [OSTI]

LOCAL NESTED STRUCTURE IN RULE 30 ERIC S. ROWLAND DEPARTMENT OF MATHEMATICS, RUTGERS, THE STATE'' locally. As a result, local nested structure is produced. This phenome­ non is ultimately due. The main result of the paper establishes the presence of local nested structure in k­color rules

Rowland, Eric

282

LOCAL NESTED STRUCTURE IN RULE 30 ERIC S. ROWLAND  

E-Print Network [OSTI]

LOCAL NESTED STRUCTURE IN RULE 30 ERIC S. ROWLAND DEPARTMENT OF MATHEMATICS, RUTGERS, THE STATE" locally. As a result, local nested structure is produced. This phenome- non is ultimately due. The main result of the paper establishes the presence of local nested structure in k-color rules

Rowland, Eric

283

Local Burn-Up Effects in the NBSR Fuel Element  

SciTech Connect (OSTI)

This study addresses the over-prediction of local power when the burn-up distribution in each half-element of the NBSR is assumed to be uniform. A single-element model was utilized to quantify the impact of axial and plate-wise burn-up on the power distribution within the NBSR fuel elements for both high-enriched uranium (HEU) and low-enriched uranium (LEU) fuel. To validate this approach, key parameters in the single-element model were compared to parameters from an equilibrium core model, including neutron energy spectrum, power distribution, and integral U-235 vector. The power distribution changes significantly when incorporating local burn-up effects and has lower power peaking relative to the uniform burn-up case. In the uniform burn-up case, the axial relative power peaking is over-predicted by as much as 59% in the HEU single-element and 46% in the LEU single-element with uniform burn-up. In the uniform burn-up case, the plate-wise power peaking is over-predicted by as much as 23% in the HEU single-element and 18% in the LEU single-element. The degree of over-prediction increases as a function of burn-up cycle, with the greatest over-prediction at the end of Cycle 8. The thermal flux peak is always in the mid-plane gap; this causes the local cumulative burn-up near the mid-plane gap to be significantly higher than the fuel element average. Uniform burn-up distribution throughout a half-element also causes a bias in fuel element reactivity worth, due primarily to the neutronic importance of the fissile inventory in the mid-plane gap region.

Brown N. R.; Hanson A.; Diamond, D.

2013-01-31T23:59:59.000Z

284

General Corrosion and Localized Corrosion of Waste Package Outer Barrier  

SciTech Connect (OSTI)

The waste package design for the License Application is a double-wall waste package underneath a protective drip shield (BSC 2004 [DIRS 168489]; BSC 2004 [DIRS 169480]). The purpose and scope of this model report is to document models for general and localized corrosion of the waste package outer barrier (WPOB) to be used in evaluating waste package performance. The WPOB is constructed of Alloy 22 (UNS N06022), a highly corrosion-resistant nickel-based alloy. The inner vessel of the waste package is constructed of Stainless Steel Type 316 (UNS S31600). Before it fails, the Alloy 22 WPOB protects the Stainless Steel Type 316 inner vessel from exposure to the external environment and any significant degradation. The Stainless Steel Type 316 inner vessel provides structural stability to the thinner Alloy 22 WPOB. Although the waste package inner vessel would also provide some performance for waste containment and potentially decrease the rate of radionuclide transport after WPOB breach before it fails, the potential performance of the inner vessel is far less than that of the more corrosion-resistant Alloy 22 WPOB. For this reason, the corrosion performance of the waste package inner vessel is conservatively ignored in this report and the total system performance assessment for the license application (TSPA-LA). Treatment of seismic and igneous events and their consequences on waste package outer barrier performance are not specifically discussed in this report, although the general and localized corrosion models developed in this report are suitable for use in these scenarios. The localized corrosion processes considered in this report are pitting corrosion and crevice corrosion. Stress corrosion cracking is discussed in ''Stress Corrosion Cracking of the Drip Shield, the Waste Package Outer Barrier, and the Stainless Steel Structural Material'' (BSC 2004 [DIRS 169985]).

K.G. Mon

2004-10-01T23:59:59.000Z

285

Scuola sullo Sviluppo Locale School on Local Development Universit di Trento University of Trento  

E-Print Network [OSTI]

. Organi di governo 5. Il Direttivo 6. Il Coordinatore della Scuola 7. Il Collegio dei Docenti 8 locale in un ampio contesto. #12;4 Art. 4 ­ ORGANI DI GOVERNO 1. L'organizzazione e il coordinamento

286

Eternal inflation and localization on the landscape  

E-Print Network [OSTI]

We model the essential features of eternal inflation on the landscape of a dense discretuum of vacua by the potential $V(\\phi)=V_{0}+\\delta V(\\phi)$, where $|\\delta V(\\phi)|\\ll V_{0}$ is random. We find that the diffusion of the distribution function $\\rho(\\phi,t)$ of the inflaton expectation value in different Hubble patches may be suppressed due to the effect analogous to the Anderson localization in disordered quantum systems. At $t \\to \\infty$ only the localized part of the distribution function $\\rho (\\phi, t)$ survives which leads to dynamical selection principle on the landscape. The probability to measure any but a small value of the cosmological constant in a given Hubble patch on the landscape is exponentially suppressed at $t\\to \\infty$.

D. Podolsky; K. Enqvist

2007-09-18T23:59:59.000Z

287

Localization of gauge fields and monopole tunnelling  

SciTech Connect (OSTI)

We study the dynamical localization of a massless gauge field on a lower-dimensional surface (2-brane). In flat space, the necessary and sufficient condition for this phenomenon is the existence of confinement in the bulk. The resulting configuration is equivalent to a dual Josephson junction. This duality leads to an interesting puzzle, as it implies that a localized massless theory, even in the Abelian case, must become confining at exponentially large distances. Through the use of topological arguments we clarify the physics behind this large-distance confinement and identify the instantons of the brane world-volume theory that are responsible for its appearance. We show that they correspond to the (condensed) bulk magnetic charges (monopoles), that occasionally tunnel through the brane and induce weak confinement of the brane theory. We consider the possible generalization of this effect to higher dimensions and discuss phenomenological bounds on the confinement of electric charges at exponentially large distances within our Universe.

Dvali, G. [CERN, Theory Division, CH-1211 Geneva 23 (Switzerland); Center for Cosmology and Particle Physics, Department of Physics, New York University, New York, New York 10003 (United States); Nielsen, H. B. [CERN, Theory Division, CH-1211 Geneva 23 (Switzerland); Niels Bohr Institute, Copenhagen DK 2100 (Denmark); Tetradis, N. [Department of Physics, University of Athens, Zographou 157 84, Athens (Greece)

2008-04-15T23:59:59.000Z

288

The Local Variational Multiscale Method for Turbulence Simulation.  

SciTech Connect (OSTI)

Accurate and efficient turbulence simulation in complex geometries is a formidable chal-lenge. Traditional methods are often limited by low accuracy and/or restrictions to simplegeometries. We explore the merger of Discontinuous Galerkin (DG) spatial discretizationswith Variational Multi-Scale (VMS) modeling, termed Local VMS (LVMS), to overcomethese limitations. DG spatial discretizations support arbitrarily high-order accuracy on un-structured grids amenable for complex geometries. Furthermore, high-order, hierarchicalrepresentation within DG provides a natural framework fora prioriscale separation crucialfor VMS implementation. We show that the combined benefits of DG and VMS within theLVMS method leads to promising new approach to LES for use in complex geometries.The efficacy of LVMS for turbulence simulation is assessed by application to fully-developed turbulent channelflow. First, a detailed spatial resolution study is undertakento record the effects of the DG discretization on turbulence statistics. Here, the localhp[?]refinement capabilites of DG are exploited to obtain reliable low-order statistics effi-ciently. Likewise, resolution guidelines for simulating wall-bounded turbulence using DGare established. We also explore the influence of enforcing Dirichlet boundary conditionsindirectly through numericalfluxes in DG which allows the solution to jump (slip) at thechannel walls. These jumps are effective in simulating the influence of the wall commen-surate with the local resolution and this feature of DG is effective in mitigating near-wallresolution requirements. In particular, we show that by locally modifying the numericalviscousflux used at the wall, we are able to regulate the near-wall slip through a penaltythat leads to improved shear-stress predictions. This work, demonstrates the potential ofthe numerical viscousflux to act as a numerically consistent wall-model and this successwarrents future research.As in any high-order numerical method some mechanism is required to control aliasingeffects due to nonlinear interactions and to ensure nonlinear stability of the method. Inthis context, we evaluate the merits of two approaches to de-aliasing -- spectralfilteringand polynomial dealiasing. While both approaches are successful, polynomial-dealiasingis found to be better suited for use in large-eddy simulation. Finally, results using LVMSare reported and show good agreement with reference direct numerical simulation therebydemonstrating the effectiveness of LVMS for wall-bounded turbulence. This success pavesthe way for future applications of LVMS to more complex turbulentflows.3

Collis, Samuel Scott; Ramakrishnan, Srinivas

2005-05-01T23:59:59.000Z

289

2012 Fall : Highly Distinguished Honors Highly Distinguished  

E-Print Network [OSTI]

Distinguished Andersen Meredith Esther Highly Distinguished Anderson Anna Kathleen Highly Distinguished Anderson Leah Ellen Highly Distinguished Anderson Lucy Paige Highly Distinguished Andrews James Matheson Highly Distinguished Aquino Jeri-Lynn Highly Distinguished Armistead Mary Chandler Highly Distinguished Armstrong Jessa

Kasman, Alex

290

Energy localization in two chaotically coupled systems  

E-Print Network [OSTI]

We set up and analyze a random matrix model to study energy localization and its time behavior in two chaotically coupled systems. This investigation is prompted by a recent experimental and theoretical study of Weaver and Lobkis on coupled elastomechanical systems. Our random matrix model properly describes the main features of the findings by Weaver and Lobkis. Due to its general character, our model is also applicable to similar systems in other areas of physics -- for example, to chaotically coupled quantum dots.

Johan Gronqvist; Thomas Guhr

2005-06-08T23:59:59.000Z

291

Quantitative damage evaluation of localized deep pitting  

SciTech Connect (OSTI)

Localized deep pitting is considered difficult to precisely measure and evaluate using simple techniques and daily-use analysis approaches. A case study was made of carbon steel heat exchangers in a typical fresh cooling water environment that experienced severe pitting. To effectively and precisely evaluate the encountered pitting damage, a simple measurement and analyses approach was devised. In this article, the pitting measurement technique and the damage evaluation approach are presented and discussed in detail.

Al Beed, A.A.; Al Garni, M.A.

2000-04-01T23:59:59.000Z

292

Optimal energy conserving local discontinuous Galerkin methods for second-order wave equation in heterogeneous media  

E-Print Network [OSTI]

Optimal energy conserving local discontinuous Galerkin methods for second-order wave equation property and accuracy. Compatible high order energy conserving time integrators are also proposed. The optimal error estimates and the energy conserving property are proved for the semi-discrete methods. Our

Shu, Chi-Wang

293

EULERIANLAGRANGIAN LOCALIZED ADJOINT METHODS FOR TRANS PORT OF NUCLEARWASTE CONTAMINATION IN POROUS MEDIA  

E-Print Network [OSTI]

EULERIAN­LAGRANGIAN LOCALIZED ADJOINT METHODS FOR TRANS­ PORT OF NUCLEAR­WASTE CONTAMINATION­ creasingly threatened by organic, inorganic, and radioactive pollutants as well as high­level nuclear waste developed for use by the Nuclear Regulatory Commission to analyze deep geologic nuclear waste disposal

Ewing, Richard E.

294

On Local Algorithms for Topology Control and Routing in Ad Hoc Networks  

E-Print Network [OSTI]

On Local Algorithms for Topology Control and Routing in Ad Hoc Networks Lujun Jia and Rajmohan 3400 N. Charles Street Baltimore, MD 21218, USA scheideler@cs.jhu.edu Abstract An ad hoc network. Indeed, an important task of an ad hoc network is to determine an appropri­ ate topology over which high

Chan, Agnes Hui

295

2D Simultaneous Localization And Mapping for Micro Air Vehicles Adrien Angeli1  

E-Print Network [OSTI]

, heavy weight and high energy consumption. Instead, vision seems to be a good alternative: it is cheap2D Simultaneous Localization And Mapping for Micro Air Vehicles Adrien Angeli1 David Filliat2 St to shift from human-controlled aircrafts to partially-autonomous flying agents. Today, one of the main

Paris-Sud XI, Université de

296

Solar steam generation by heat localization  

E-Print Network [OSTI]

Currently, steam generation using solar energy is based on heating bulk liquid to high temperatures. This approach requires either costly high optical concentrations leading to heat loss by the hot bulk liquid and heated ...

Ghasemi, Hadi

297

Local Polarization Dynamics in Ferroelectric Materials  

SciTech Connect (OSTI)

Ferroelectrics and multiferroics have recently emerged as perspective materials for information technology and data storage applications. The combination of extremely narrow domain wall width and the capability to manipulate polarization by electric field opens the pathway towards ultrahigh (>10 TBit/in2) storage densities and small (sub-10 nm) feature sizes. The coupling between polarization and chemical and transport properties enables applications in ferroelectric lithography and electroresistive devices. The progress in these applications, as well as fundamental studies of polarization dynamics and the role of defects and disorder on domain nucleation and wall motion, requires the capability to probe these effects on the nanometer scale. In this review, we summarize recent progress in applications of Piezoresponse Force Microscopy (PFM) for imaging, manipulation, and spectroscopy of ferroelectric switching processes. We briefly introduce the principles and relevant instrumental aspects of PFM, with special emphasis on resolution and information limits. The local imaging studies of domain dynamics, including local switching and relaxation accessed through imaging experiments, and spectroscopic studies of polarization switching, are discussed in detail. Finally, we briefly review the recent progress on photochemical processes on ferroelectric surfaces, the role of surface adsorbates, and imaging and switching in liquids. Beyond classical applications, probing local bias-induced transition dynamics by PFM opens the pathway to studies of the influence of a single defect on electrochemical and solid state processes, thus providing model systems for batteries, fuel cells, and supercapacitor applications.

Kalinin, Sergei V [ORNL; Morozovska, A. N. [National Academy of Science of Ukraine, Kiev, Ukraine; Chen, L. Q. [Pennsylvania State University; Rodriguez, Brian J [ORNL

2010-01-01T23:59:59.000Z

298

Subsystem codes with spatially local generators  

SciTech Connect (OSTI)

We study subsystem codes whose gauge group has local generators in two-dimensional (2D) geometry. It is shown that there exists a family of such codes defined on lattices of size LxL with the number of logical qubits k and the minimum distance d both proportional to L. The gauge group of these codes involves only two-qubit generators of type XX and ZZ coupling nearest-neighbor qubits (and some auxiliary one-qubit generators). Our proof is not constructive as it relies on a certain version of the Gilbert-Varshamov bound for classical codes. Along the way, we introduce and study properties of generalized Bacon-Shor codes that might be of independent interest. Secondly, we prove that any 2D subsystem [n,k,d] code with spatially local generators obeys upper bounds kd=O(n) and d{sup 2}=O(n). The analogous upper bound proved recently for 2D stabilizer codes is kd{sup 2}=O(n). Our results thus demonstrate that subsystem codes can be more powerful than stabilizer codes under the spatial locality constraint.

Bravyi, Sergey [IBM T. J. Watson Research Center, Yorktown Heights, New York 10598 (United States)

2011-01-15T23:59:59.000Z

299

Subsystem codes with spatially local generators  

E-Print Network [OSTI]

We study subsystem codes whose gauge group has local generators in the 2D geometry. It is shown that there exists a family of such codes defined on lattices of size LxL with the number of logical qubits k and the minimum distance d both proportional to L. The gauge group of these codes involves only two-qubit generators of type XX and ZZ coupling nearest neighbor qubits (and some auxiliary one-qubit generators). Our proof is not constructive as it relies on a certain version of the Gilbert-Varshamov bound for classical codes. Along the way we introduce and study properties of generalized Bacon-Shor codes which might be of independent interest. Secondly, we prove that any 2D subsystem [n,k,d] code with spatially local generators obeys upper bounds kd=O(n) and d^2=O(n). The analogous upper bound proved recently for 2D stabilizer codes is kd^2=O(n). Our results thus demonstrate that subsystem codes can be more powerful than stabilizer codes under the spatial locality constraint.

Sergey Bravyi

2010-08-05T23:59:59.000Z

300

Analysis of waste package environment as related to initiation and propagation of localized corrosion  

SciTech Connect (OSTI)

Models are presented for prediction of waste package lifetime for the proposed high-level nuclear waste repository located at Yucca Mountain, Nevada. The waste package environment is expected to range from saturated, highly-alkaline brine to bicarbonate waters of low ionic strength. Localized corrosion will be predicted by comparing predicted corrosion potentials of the container with critical potentials for pitting and crevice corrosion. The critical potentials will be estimated by a combined program of experiments and mechanistic modeling.

Walton, J.C.; Sridhar, N.; Cragnolino, G.; Nair, P. [Southwest Research Inst., San Antonio, TX (United States). Center for Nuclear Waste Regulatory Analyses

1993-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

Distinct local electronic structure and magnetism for Mn in amorphous Si and Ge  

SciTech Connect (OSTI)

Transition metals such as Mn generally have large local moments in covalent semiconductors due to their partially filled d shells. However, Mn magnetization in group-IV semiconductors is more complicated than often recognized. Here we report a striking crossover from a quenched Mn moment (<0.1 {mu}{sub B}) in amorphous Si (a-Si) to a large distinct local Mn moment ({ge}3{mu}{sub B}) in amorphous Ge (a-Ge) over a wide range of Mn concentrations (0.005-0.20). Corresponding differences are observed in d-shell electronic structure and the sign of the Hall effect. Density-functional-theory calculations show distinct local structures, consistent with different atomic density measured for a-Si and a-Ge, respectively, and the Mn coordination number N{sub c} is found to be the key factor. Despite the amorphous structure, Mn in a-Si is in a relatively well-defined high coordination interstitial type site with broadened d bands, low moment, and electron (n-type) carriers, while Mn in a-Ge is in a low coordination substitutional type site with large local moment and holes (p-type) carriers. Moreover, the correlation between N{sub c} and the magnitude of the local moment is essentially independent of the matrix; the local Mn moments approach zero when N{sub c} > 7 for both a-Si and a-Ge.

Zeng, Li; Cao, J. X.; Helgren, E.; Karel, J.; Arenholz, E.; Ouyang, Lu; Smith, David J.; Wu, R. Q.; Hellman, F.

2010-06-01T23:59:59.000Z

302

Defect localization, characterization and reliability assessment in emerging photovoltaic devices.  

SciTech Connect (OSTI)

Microsystems-enabled photovoltaics (MEPV) can potentially meet increasing demands for light-weight, portable, photovoltaic solutions with high power density and efficiency. The study in this report examines failure analysis techniques to perform defect localization and evaluate MEPV modules. CMOS failure analysis techniques, including electroluminescence, light-induced voltage alteration, thermally-induced voltage alteration, optical beam induced current, and Seabeck effect imaging were successfully adapted to characterize MEPV modules. The relative advantages of each approach are reported. In addition, the effects of exposure to reverse bias and light stress are explored. MEPV was found to have good resistance to both kinds of stressors. The results form a basis for further development of failure analysis techniques for MEPVs of different materials systems or multijunction MEPVs. The incorporation of additional stress factors could be used to develop a reliability model to generate lifetime predictions for MEPVs as well as uncover opportunities for future design improvements.

Yang, Benjamin Bing-Yeh; Cruz-Campa, Jose Luis; Haase, Gad S.; Tangyunyong, Paiboon; Cole, Edward Isaac,; Okandan, Murat; Nielson, Gregory N.

2014-04-01T23:59:59.000Z

303

Measurement of local void fraction at elevated temperature and pressure  

SciTech Connect (OSTI)

Significant advances have recently been made in analytical and computational methods for the prediction of local thermal-hydraulic conditions in gas/liquid two-phase flows. There is, however, a need for extensive experimental data, for the dual purposes of constitutive relation development and code qualification. There is especially true of systems involving complicated geometries and/or extreme flow conditions for which little, if any, applicable information exists in the open literature. For the tests described in the present paper, a novel electrical probe has been applied to measure the void fraction in atmospheric pressure air/water flows, and steam/water mixtures at high temperature and pressure. The data acquired in the latter experiments are compared with the results of a one-dimensional two-fluid computational analysis.

Duncan, D.; Trabold, T.A.

1993-03-01T23:59:59.000Z

304

2013 Fall : Highly Distinguished Honors Highly Distinguished  

E-Print Network [OSTI]

Anderson Chelsea Mariah Highly Distinguished Anderson Madison Olivia Highly Distinguished Andrews James Askew Mary Frances Highly Distinguished Augustine Andrew William Highly Distinguished Austin Adrian Bailes Mary Elizabeth Highly Distinguished Bailey Erika Leigh Highly Distinguished Bailey Margaret

Kasman, Alex

305

Optimal generation of entanglement under local control  

E-Print Network [OSTI]

We study the optimal generation of entanglement between two qubits subject to local unitary control. With the only assumptions of linear control and unitary dynamics, by means of a numerical protocol based on the variational approach (Pontryagin's Minimum Principle), we evaluate the optimal control strategy leading to the maximal achievable entanglement in an arbitrary interaction time, taking into account the energy cost associated to the controls. In our model we can arbitrarily choose the relative weight between a large entanglement and a small energy cost.

Raffaele Romano; Alessio Del Fabbro

2007-07-11T23:59:59.000Z

306

Fermion localization on a split brane  

SciTech Connect (OSTI)

In this work we analyze the localization of fermions on a brane embedded in five-dimensional, warped and nonwarped, space-time. In both cases we use the same nonlinear theoretical model with a nonpolynomial potential featuring a self-interacting scalar field whose minimum energy solution is a soliton (a kink) which can be continuously deformed into a two-kink. Thus a single brane splits into two branes. The behavior of spin 1/2 fermions wave functions on the split brane depends on the coupling of fermions to the scalar field and on the geometry of the space-time.

Chumbes, A. E. R.; Vasquez, A. E. O.; Hott, M. B. [UNESP Univ Estadual Paulista - Campus de Guaratingueta - DFQ. Av. Dr. Ariberto Pereira Cunha, 333 12516-410 Guaratingueta SP Brasil (Brazil)

2011-05-15T23:59:59.000Z

307

Star Formation in the Local Universe  

E-Print Network [OSTI]

We present preliminary results of a long-term study aimed at answering a number of open questions on the evolution of starbursts in local galaxies. The project employes mainly HST data from the ultraviolet to the red of the stellar continuum and of the nebular emission from the galaxies. Here we concentrate on NGC5253 and NGC5236 (M83), that form a dwarf--massive galaxy pair at about 4 Mpc distance. The recent star formation history of the centers of the two galaxies is investigated in order to identify similarities and differences in the evolution of their central starbursts.

Daniela Calzetti; Jason Harris

2001-11-28T23:59:59.000Z

308

The key role of local elected officials  

SciTech Connect (OSTI)

Many factions have a stake in the cleanup of radioactively contaminated properties. Often, the interests of these groups conflict, and the ensuing controversy leads to long delays in the decommissioning. The authors were deeply involved in one such project. Their experience revealed that local elected officials are in the best position to take a leadership role among the parties. Elected officials can use the authority of their office to represent the affected constituents and get action from regulators, legislators and the parties responsible for the cleanup.

Edwards, K. [Village of Newburgh Heights, OH (United States); Koh, B. [B. Koh, B.Koh & Associates, Inc., Owings Mills, MD (United States)

1996-12-31T23:59:59.000Z

309

A local model violating Bell's inequalities  

E-Print Network [OSTI]

A model for two entangled systems in an EPR setting is shown to reproduce the quantum-mechanical outcomes and expectation values. Each system is represented by a small sphere containing a point-like particle embedded in a field. A quantum state appears as an equivalence class of several possible particle-field configurations. Contrarily to Bell-type hidden variables models, the fields account for the non-commutative aspects of the measurements and deny the simultaneous reality of incompatible physical quantities, thereby allowing to escape EPR's "completeness or locality" dilemma.

A. Matzkin

2009-01-14T23:59:59.000Z

310

Local models and EPR quantum correlations  

E-Print Network [OSTI]

A model for two entangled systems in an EPR setting is shown to reproduce the quantum-mechanical outcomes and expectation values. Each system is represented by a small sphere containing a point-like particle embedded in a field. A quantum state appears as an equivalence class of several possible particle-field configurations. Contrarily to Bell-type hidden variables models, the fields account for the non-commutative aspects of the measurements and deny the simultaneous reality of incompatible physical quantities, thereby allowing to escape EPR's ``completeness or locality'' dilemma.

A. Matzkin

2009-01-14T23:59:59.000Z

311

Localization on the Landscape and Eternal Inflation  

E-Print Network [OSTI]

We investigate the validity of the assertion that eternal inflation populates the landscape of string theory. We verify that bubble solutions do not satisfy the Klein Gordon equation for the landscape potential. Solutions to the landscape potential within the formalism of quantum cosmology are Anderson localized wavefunctions. Those are inconsistent with inflating bubble solutions. The physical reasons behind the failure of a relation between eternal inflation and the landscape are rooted in quantum phenomena such as interference between wavefunction concentrated around the various vacua in the landscape.

Laura Mersini-Houghton; Malcolm J. Perry

2014-04-22T23:59:59.000Z

312

Chapter 52.1, Local Contract Clauses  

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 Rank EERE:YearRound-Up fromDepartmentTieCelebrate Earth Day with SecretaryDerivedof& EASTERN:2.1, Local

313

Local Power Inc | 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 Center Home5b9fcbce19 No revision hasInformation Earth's Heat JumpInc Place:KeystoneSolarListLiveFuels Inc Jump to:White DeerLocal

314

AFGE Local 3824 Professional | 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 EnergyEnergy Cooperation |South Valley ResponsibleSubmissionofDepartment ofDepartment ofAFGE Local 3824

315

NREL: Technology Deployment - State and Local Governments  

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 Jun Jul(Summary)morphinanInformation Desert Southwest Regionat Cornell Batteries & FuelTechnologies TheState and Local

316

Locally observable conditions for the successful implementation of entangling multi-qubit quantum gates  

E-Print Network [OSTI]

The information obtained from the operation of a quantum gate on only two complementary sets of input states is sufficient to estimate the quantum process fidelity of the gate. In the case of entangling gates, these conditions can be used to predict the multi qubit entanglement capability from the fidelities of two non-entangling local operations. It is then possible to predict highly non-classical features of the gate such as violations of local realism from the fidelities of two completely classical input-output relations, without generating any actual entanglement.

Holger F. Hofmann; Ryo Okamoto; Shigeki Takeuchi

2005-09-01T23:59:59.000Z

317

Local Electrochemical Functionality in Energy Storage Materials...  

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

for high energy and power densities. Finally, the renewable energy technologies such as solar and wind often allow only intermittent power supply, requiring the development of a...

318

Static and Dynamic Locality Optimizations Using Integer Linear Programming  

E-Print Network [OSTI]

Static and Dynamic Locality Optimizations Using Integer Linear Programming Mahmut Kandemir, Member hierarchies is closely related to the performance of the memory subsystem. Compiler optimizations aimed at improving cache locality are critical in realizing the performance potential of powerful processors

Kuzmanovic, Aleksandar

319

Essays on the economics of local labor markets  

E-Print Network [OSTI]

This thesis studies the economics of local labor markets. There are three chapters in the thesis, and each chapter studies how economic outcomes are affected by local labor market conditions. The first chapter studies the ...

Notowidigdo, Matt, 1981-

2010-01-01T23:59:59.000Z

320

Obama Administration Announces Additional $27,777,600 for Local...  

Energy Savers [EERE]

27,777,600 for Local Energy Efficiency Improvements in Utah Obama Administration Announces Additional 27,777,600 for Local Energy Efficiency Improvements in Utah March 26, 2009 -...

Note: This page contains sample records for the topic "temporarily high local" 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

EECBG Success Story: Massachusetts Middle School Goes Local for...  

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

Massachusetts Middle School Goes Local for PV Solar Energy System EECBG Success Story: Massachusetts Middle School Goes Local for PV Solar Energy System August 13, 2010 - 11:21am...

322

State and Local Energy Efficiency Action Network | Department...  

Office of Environmental Management (EM)

State and Local Energy Efficiency Action Network Graphic of logo of the State and Local Energy Efficiency (SEE) Action Network, which includes a green map of the United States...

323

Localized Thermal Distribution for Office Buildings; Final Report - Phase III  

E-Print Network [OSTI]

level is local (zonal) fan coil units served by variableby the T A M s and fan coil units, and has a rate of energyfan and the local fan coil units. The TAMs were sized to

1994-01-01T23:59:59.000Z

324

Welcoming the Outsider: Local Construction of the Law towards Immigrants  

E-Print Network [OSTI]

This dissertation examines the local construction of law on the street regarding immigrants. Local agencies play a key role in immigration enforcement and in providing services to immigrants. They are increasingly the face ...

Williams, Linda M.

2013-08-31T23:59:59.000Z

325

Local architectural identities within modernization context in southern China  

E-Print Network [OSTI]

In the processing of modernization, local architecture identities are diminishing in Kaiping, my home county in Canton Province, China. This thesis is searching for new architectural features that are based on the local ...

Zhen, Lian Quan

1996-01-01T23:59:59.000Z

326

Localization and Coordination in Decentralized Multi-Robot Systems  

E-Print Network [OSTI]

Localization and Coordination in Decentralized Multi-Robot Systems Patricia Kristine Sheridan Supervisor: Professor B. Benhabib Department of Mechanical and Industrial Engineering University of Toronto March, 2009 #12;Localization and Coordination in Decentralized Multi-Robot Systems ABSTRACT

Sun, Yu

327

Climate change and trans-local solidarities Paul Routledge  

E-Print Network [OSTI]

Climate change and trans-local solidarities Paul Routledge Paul.Routledge@ges.gla.ac.uk This project will consider local responses and adaptations to climate change across a range of different sites

Guo, Zaoyang

328

Tourism & Urban Development: Building Local Economies & Sense of Place  

E-Print Network [OSTI]

Tourism & Urban Development: Building Local Economies & Sense of Place - Greenwoods Corner - Simon, tourism must sustain and enhance local quality of life ­ "Communities will work for tourism if tourism

329

Local Scouts Train with Hanford Safety Experts - 52 Boy Scouts...  

Office of Environmental Management (EM)

Local Scouts Train with Hanford Safety Experts - 52 Boy Scouts Earn Merit Badges at the HAMMER Training Facility Local Scouts Train with Hanford Safety Experts - 52 Boy Scouts Earn...

330

Incorporating local boundary conditions into nonlocal theories  

E-Print Network [OSTI]

We study nonlocal equations from the area of peridynamics on bounded domains. In our companion paper, we discover that, on $\\mathbb{R}^n$, the governing operator in peridynamics, which involves a convolution, is a bounded function of the classical (local) governing operator. Building on this, we define an abstract convolution operator on bounded domains. The abstract convolution operator is a function of the classical operator, defined by a Hilbert basis available due to the purely discrete spectrum of the latter. As governing operator of the nonlocal equation we use a function of the classical operator, this allows us to incorporate local boundary conditions into nonlocal theories. For the homogeneous wave equation with the considered boundary conditions, we prove that continuity is preserved by time evolution. We give explicit solution expressions for the initial value problems with prominent boundary conditions such as periodic, antiperiodic, Neumann, and Dirichlet. In order to connect to the standard convolution, we give an integral representation of the abstract convolution operator. We present additional "simple" convolutionsbased on periodic and antiperiodic boundary conditions that lead Neumann and Dirichlet boundary conditions. We present a numerical study of the solutions of the wave equation. For discretization, we employ a weak formulation based on a Galerkin projection and use piecewise polynomials on each element which allows discontinuities of the approximate solution at the element borders. We study convergence order of solutions with respect to polynomial order and observe optimal convergence. We depict the solutions for each boundary condition.

Burak Aksoylu; Horst Reinhard Beyer; Fatih Celiker

2014-11-12T23:59:59.000Z

331

Star Formation Histories in the Local Group  

E-Print Network [OSTI]

Deep color magnitude diagrams extending to the main sequence provide the most direct measure of the detailed star formation history in a stellar population. With large investments of observing time, HST can obtain such data for populations out to 1 Mpc, but its field of view is extremely small in comparison to the size of Local Group galaxies. This limitation severely constrains our understanding of galaxy formation. For example, the largest galaxy in the Local Group, Andromeda, offers an ideal laboratory for studying the formation of large spiral galaxies, but the galaxy shows substructure on a variety of scales, presumably due to its violent merger history. Within its remaining lifetime, HST can only sample a few sight-lines through this complex galaxy. In contrast, a wide field imager could provide a map of Andromeda's halo, outer disk, and tidal streams, revealing the spatially-dependent star formation history in each structure. The same data would enable many secondary studies, such as the age variation in Andromeda's globular cluster system, gigantic samples of variable stars, and microlensing tracers of the galaxy's dark matter distribution.

Thomas M. Brown

2004-07-09T23:59:59.000Z

332

Sobolev inequality for localization of pseudo-relativistic energy  

E-Print Network [OSTI]

In this article we present Sobolev-type inequalities for the localization of pseudo-relativistic energy.

A. A. Balinsky; A. E. Tyukov

2005-08-18T23:59:59.000Z

333

Deuterium depletion and magnesium enhancement in the local disc  

E-Print Network [OSTI]

The local disc deuter is known to be depleted in comparison to the local bubble. We show, that the same lines of sight that are depleted in deuter, are enhanced in magnesium. Heavier elements - Si and Fe do not show any difference in the abundance between the local disc and the local bubble. This observation implicates that astration is responsible for both deuter depletion and magnesium enhancement.

Piotr Gnacinski

2005-07-19T23:59:59.000Z

334

Local Responses to Marine Conservation in Zanzibar, Tanzania  

E-Print Network [OSTI]

Honey, M.   1999.   Ecotourism and sustainable development: local community members.   Ecotourism is a lucrative niche 

Levine, Arielle

2006-01-01T23:59:59.000Z

335

Anne Arundel County- High Performance Dwelling Property Tax Credit  

Broader source: Energy.gov [DOE]

The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings if they choose to do so. In October 2010 Anne Arundel...

336

Howard County- High Performance and Green Building Property Tax Credits  

Broader source: Energy.gov [DOE]

The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings and energy conservation devices (Md Code: Property Tax §...

337

Evolving an Indoor Robotic Localization System Based on Wireless Networks  

E-Print Network [OSTI]

of indoor robotic localization. We investigate the design and building of an autonomous localization system provides the position of one robot in a space, as in a Cartesian plane, corroborating with the EvoEvolving an Indoor Robotic Localization System Based on Wireless Networks Gustavo Pessin1

Braun, Torsten

338

Codes and Standards Title 24 Energy-Efficient Local Ordinances  

E-Print Network [OSTI]

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 #12;Energy Cost-Effectiveness Study for Local Green Building Ordinances in Climate Zone 6, 12 Standards. The energy requirements of a local green building ordinance are not legally enforceable untilCodes and Standards Title 24 Energy-Efficient Local Ordinances Title: Climate Zone 6 Energy Cost

339

Extremely local MR representations: Youngmi Hur1 & Amos Ron2  

E-Print Network [OSTI]

Extremely local MR representations: L-CAMP Youngmi Hur1 & Amos Ron2 Workshop on sparse representations: UMD, May 2005 1 Math, UW-Madison 2 CS, UW-Madison #12;Wavelet and framelet constructions History of all local MR representations #12;L-CAMP: Extremely local MR constructions Bird's view of the CAP

Maryland at College Park, University of

340

Sustainable feeding systems based on the use of local resources  

E-Print Network [OSTI]

Sustainable feeding systems based on the use of local resources PP Roggero S Bellon M Rosales3 1 of organisation and planning of the use of renewable local resources. The multiple use of a specific feed resource considered as examples of diversification and exploitation of local resources. The integration

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "temporarily high local" 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

A Magnetized Local Supercluster and the Origin of the Highest Energy Cosmic Rays  

E-Print Network [OSTI]

A sufficiently magnetized Local Supercluster can explain the spectrum and angular distribution of ultra-high energy cosmic rays. We show that the spectrum of extragalactic cosmic rays with energies below $\\sim 10^{20}$ eV may be due to the diffusive propagation in the Local Supercluster with fields of $\\sim 10^{-8} - 10^{-7}$ Gauss. Above $\\sim 10^{20}$ eV, cosmic rays propagate in an almost rectilinear way which is evidenced by the change in shape of the spectrum at the highest energies. The fit to the spectrum requires that at least one source be located relatively nearby at $\\sim 10-15$ Mpc away from the Milky Way. We discuss the origin of magnetic fields in the Local Supercluster and the observable predictions of this model.

Pasquale Blasi; Angela V. Olinto

1998-06-19T23:59:59.000Z

342

The local energy production rates of GRB photons and of UHECRs  

E-Print Network [OSTI]

In a recent analysis it was found that the local (z=0) rate at which gamma-ray bursts (GRBs) produce energy in 1 MeV photons, Q_GRB(z=0), is 300 times lower than the local energy production rate in ultra-high energy cosmic-rays. This may appear to be in contradiction with earlier results, according to which Q_GRB(z=0) is similar to the local energy production rate in >10^{19} eV cosmic-rays, Q_{10EeV}(z=0). This short (1 page) note identifies the origin of the apparent discrepancy and shows that Q_GRB(z=0) \\sim Q_{10EeV}(z=0) holds.

Eli Waxman

2010-10-26T23:59:59.000Z

343

Local Interactions and Protein Folding: A 3D Off-Lattice Approach  

E-Print Network [OSTI]

The thermodynamic behavior of a three-dimensional off-lattice model for protein folding is probed. The model has only two types of residues, hydrophobic and hydrophilic. In absence of local interactions, native structure formation does not occur for the temperatures considered. By including sequence independent local interactions, which qualitatively reproduce local properties of functional proteins, the dominance of a native state for many sequences is observed. As in lattice model approaches, folding takes place by gradual compactification, followed by a sequence dependent folding transition. Our results differ from lattice approaches in that bimodal energy distributions are not observed and that high folding temperatures are accompanied by relatively low temperatures for the peak of the specific heat. Also, in contrast to earlier studies using lattice models, our results convincingly demonstrate that one does not need more than two types of residues to generate sequences with good thermodynamic folding properties in three dimensions.

Anders Irbäck; Carsten Peterson; Frank Potthast; Ola Sommelius

1996-10-10T23:59:59.000Z

344

TIME DOMAIN REFLECTOMETRY MEASUREMENT AND HIGHLY PLASTIC CLAYS  

E-Print Network [OSTI]

1 TIME DOMAIN REFLECTOMETRY MEASUREMENT AND HIGHLY PLASTIC CLAYS By: J. A. Kuhn1 and J. G. Zornberg for use in highly plastic clay. The clay used for experimentation was taken locally from the Eagle Ford Ford Clay is determined. INTRODUCTION The progression of wetting and drying fronts in highly plastic

Zornberg, Jorge G.

345

High Performance Computing with a Conservative Spectral Boltzmann Solver  

E-Print Network [OSTI]

High Performance Computing with a Conservative Spectral Boltzmann Solver Jeffrey R. Haack and Irene the structure of the collisional formulation for high performance computing environments. The locality in space on high performance computing resources. We also use the improved computational power of this method

346

Data mining in high energy physics Bertrand Brelier  

E-Print Network [OSTI]

Bertrand Brelier (SOSCIP) Data mining in high energy physics July 3, 2014 5 / 8 #12;Jobs User submit job if failing Output of job downloaded on local computer Bertrand Brelier (SOSCIP) Data mining in high energyData mining in high energy physics Bertrand Brelier SOSCIP July 3, 2014 Bertrand Brelier (SOSCIP

Prodiæ, Aleksandar

347

THE LOCAL HOSTS OF TYPE Ia SUPERNOVAE  

SciTech Connect (OSTI)

We use multi-wavelength, matched aperture, integrated photometry from the Galaxy Evolution Explorer (GALEX), the Sloan Digital Sky Survey, and the RC3 to estimate the physical properties of 166 nearby galaxies hosting 168 well-observed Type Ia supernovae (SNe Ia). The ultraviolet (UV) imaging of local SN Ia hosts from GALEX allows a direct comparison with higher-redshift hosts measured at optical wavelengths that correspond to the rest-frame UV. Our data corroborate well-known features that have been seen in other SN Ia samples. Specifically, hosts with active star formation produce brighter and slower SNe Ia on average, and hosts with luminosity-weighted ages older than 1 Gyr produce on average more faint, fast, and fewer bright, slow SNe Ia than younger hosts. New results include that in our sample, the faintest and fastest SNe Ia occur only in galaxies exceeding a stellar mass threshold of approx10{sup 10} M{sub sun}, leading us to conclude that their progenitors must arise in populations that are older and/or more metal rich than the general SN Ia population. A low host extinction subsample hints at a residual trend in peak luminosity with host age, after correcting for light-curve shape, giving the appearance that older hosts produce less-extincted SNe Ia on average. This has implications for cosmological fitting of SNe Ia, and suggests that host age could be useful as a parameter in the fitting. Converting host mass to metallicity and computing {sup 56}Ni mass from the supernova light curves, we find that our local sample is consistent with a model that predicts a shallow trend between stellar metallicity and the {sup 56}Ni mass that powers the explosion, but we cannot rule out the absence of a trend. We measure a correlation between {sup 56}Ni mass and host age in the local universe that is shallower and not as significant as that seen at higher redshifts. The details of the age-{sup 56}Ni mass correlations at low and higher redshift imply a luminosity-weighted age threshold of approx3 Gyr for SN Ia hosts, above which they are less likely to produce SNe Ia with {sup 56}Ni masses above approx0.5 M{sub sun}.

Neill, James D.; Martin, D. Christopher; Barlow, Tom A.; Foster, Karl; Friedman, Peter G.; Morrissey, Patrick; Wyder, Ted K. [California Institute of Technology, 1200 E. California Blvd., Pasadena, CA 91125 (United States); Sullivan, Mark [University of Oxford, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH (United Kingdom); Howell, D. Andrew [Las Cumbres Observatory Global Telescope Network, 6740 Cortona Dr., Suite 102, Goleta, CA 93117 (United States); Conley, Alex [Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto, ONM5S3H8 (Canada); Seibert, Mark; Madore, Barry F. [The Observatories of the Carnegie Institute of Washington, 813 Santa Barbara Street, Pasadena, CA, 91101 (United States); Neff, Susan G. [Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Greenbelt, MD 20771 (United States); Schiminovich, David [Department of Astronomy, Columbia University, New York, NY 10027 (United States); Bianchi, Luciana [Center for Astrophysical Sciences, Johns Hopkins University, 3400 N. Charles St., Baltimore, MD 21218 (United States); Donas, Jose; Milliard, Bruno [Laboratoire d'Astrophysique de Marseille, BP 8, Traverse du Siphon, 13376 Marseille Cedex 12 (France); Heckman, Timothy M. [Department of Physics and Astronomy, Johns Hopkins University, Homewood Campus, Baltimore, MD 21218 (United States); Lee, Young-Wook [Center for Space Astrophysics, Yonsei University, Seoul 120-749 (Korea, Republic of); Rich, R. Michael [Department of Physics and Astronomy, University of California, Los Angeles, CA 90095 (United States)

2009-12-20T23:59:59.000Z

348

Cosmos++: Relativistic Magnetohydrodynamics on Unstructured Grids with Local Adaptive Refinement  

E-Print Network [OSTI]

A new code and methodology are introduced for solving the general relativistic magnetohydrodynamic (GRMHD) equations in fixed background spacetimes using time-explicit, finite-volume discretization. The code has options for solving the GRMHD equations using traditional artificial-viscosity (AV) or non-oscillatory central difference (NOCD) methods, or a new extended AV (eAV) scheme using artificial-viscosity together with a dual energy-flux-conserving formulation. The dual energy approach allows for accurate modeling of highly relativistic flows at boost factors well beyond what has been achieved to date by standard artificial viscosity methods. It provides the benefit of Godunov methods in capturing high Lorentz boosted flows but without complicated Riemann solvers, and the advantages of traditional artificial viscosity methods in their speed and flexibility. Additionally, the GRMHD equations are solved on an unstructured grid that supports local adaptive mesh refinement using a fully threaded oct-tree (in three dimensions) network to traverse the grid hierarchy across levels and immediate neighbors. A number of tests are presented to demonstrate robustness of the numerical algorithms and adaptive mesh framework over a wide spectrum of problems, boosts, and astrophysical applications, including relativistic shock tubes, shock collisions, magnetosonic shocks, Alfven wave propagation, blast waves, magnetized Bondi flow, and the magneto-rotational instability in Kerr black hole spacetimes.

Peter Anninos; P. Chris Fragile; Jay D. Salmonson

2005-09-09T23:59:59.000Z

349

Local Representation in the Context of Decentralization: Mayors, Citizens, and Local Governance in Latin America  

E-Print Network [OSTI]

Points ...................................................... 38 2-12 Municipal Income ............................................................................................... 46 2-13 Municipal Expenditures... ........................................................................ 135 4-3 Multi-level Model of Government Effectiveness and Responsiveness in 20 Cantons in Ecuador .......................................................... 138 4-4 Local Government Effectiveness in 30 Municipalities in Ecuador in 2012...

Shockley, Bethany L

2014-06-06T23:59:59.000Z

350

A block matching-based registration algorithm for localization of locally advanced lung tumors  

SciTech Connect (OSTI)

Purpose: To implement and evaluate a block matching-based registration (BMR) algorithm for locally advanced lung tumor localization during image-guided radiotherapy. Methods: Small (1 cm{sup 3}), nonoverlapping image subvolumes (“blocks”) were automatically identified on the planning image to cover the tumor surface using a measure of the local intensity gradient. Blocks were independently and automatically registered to the on-treatment image using a rigid transform. To improve speed and robustness, registrations were performed iteratively from coarse to fine image resolution. At each resolution, all block displacements having a near-maximum similarity score were stored. From this list, a single displacement vector for each block was iteratively selected which maximized the consistency of displacement vectors across immediately neighboring blocks. These selected displacements were regularized using a median filter before proceeding to registrations at finer image resolutions. After evaluating all image resolutions, the global rigid transform of the on-treatment image was computed using a Procrustes analysis, providing the couch shift for patient setup correction. This algorithm was evaluated for 18 locally advanced lung cancer patients, each with 4–7 weekly on-treatment computed tomography scans having physician-delineated gross tumor volumes. Volume overlap (VO) and border displacement errors (BDE) were calculated relative to the nominal physician-identified targets to establish residual error after registration. Results: Implementation of multiresolution registration improved block matching accuracy by 39% compared to registration using only the full resolution images. By also considering multiple potential displacements per block, initial errors were reduced by 65%. Using the final implementation of the BMR algorithm, VO was significantly improved from 77% ± 21% (range: 0%–100%) in the initial bony alignment to 91% ± 8% (range: 56%–100%;p < 0.001). Left-right, anterior-posterior, and superior-inferior systematic BDE were 3.2, 2.4, and 4.4 mm, respectively, with random BDE of 2.4, 2.1, and 2.7 mm. Margins required to include both localization and delineation uncertainties ranged from 5.0 to 11.7 mm, an average of 40% less than required for bony alignment. Conclusions: BMR is a promising approach for automatic lung tumor localization. Further evaluation is warranted to assess the accuracy and robustness of BMR against other potential localization strategies.

Robertson, Scott P.; Weiss, Elisabeth; Hugo, Geoffrey D., E-mail: gdhugo@vcu.edu [Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia, 23298 (United States)

2014-04-15T23:59:59.000Z

351

Segmented nanowires displaying locally controllable properties  

DOE Patents [OSTI]

Vapor-liquid-solid growth of nanowires is tailored to achieve complex one-dimensional material geometries using phase diagrams determined for nanoscale materials. Segmented one-dimensional nanowires having constant composition display locally variable electronic band structures that are determined by the diameter of the nanowires. The unique electrical and optical properties of the segmented nanowires are exploited to form electronic and optoelectronic devices. Using gold-germanium as a model system, in situ transmission electron microscopy establishes, for nanometer-sized Au--Ge alloy drops at the tips of Ge nanowires (NWs), the parts of the phase diagram that determine their temperature-dependent equilibrium composition. The nanoscale phase diagram is then used to determine the exchange of material between the NW and the drop. The phase diagram for the nanoscale drop deviates significantly from that of the bulk alloy.

Sutter, Eli Anguelova; Sutter, Peter Werner

2013-03-05T23:59:59.000Z

352

Constructing optimal local pseudopotentials from first principles  

E-Print Network [OSTI]

Local pseudopotential (LPP) is an important component of the orbital free density functional theory (OF-DFT), which is a promising large scale simulation method that can still maintain information of electron state in materials. Up to date, LPP is usually extracted from the solid state DFT calculations. It is unclear how to assess its transferability while applying to a much different chemical environment. Here we reveal a fundamental relation between the first principles norm-conserving PP (NCPP) and the LPP. Using the optimized effective potential method developed for exchange functional, we demonstrate that the LPP can be constructed optimally from the NCPP for a large number of elements. Our theory also reveals that the existence of an LPP is intrinsic to the elements, irrespective to the parameters used for the construction. Our method provides a unified method in constructing and assessing LPP in the framework of first principles pseudopotentials.

Mi, Wenhui; Ma, Yanming; Miao, Maosheng

2015-01-01T23:59:59.000Z

353

Monogamy of Measurement Induced Non-Locality  

E-Print Network [OSTI]

Measurement-Induced NonLocality was introduced by Luo and Fu (Phys. Rev. Lett. \\textbf{106}, 120401,(2011)) as a measure of nonlocality in a bipartite state. In this paper we will discuss monogamy property of measurement-induced nonlocality for some three- and four-qubit classes of states. Unlike discord, we find quite surprising results in this situation. Both the GHZ and W states satisfy monogamy relations in the three-qubit case, however, in general there are violations of monogamy relations in both the GHZ-class and W-class states. In case of four-qubit system, monogamy holds for most of the states in the generic class. Four qubit GHZ does not satisfy monogamy relation, but W-state does. We provide several numerical results including counterexamples regarding monogamy nature of measurement induced nonlocality. We will also extend our results of generalized W-class to n-qubit.

Ajoy Sen; Debasis Sarkar; Amit Bhar

2014-05-13T23:59:59.000Z

354

Infrared problem and spatially local observables in electrodynamics  

E-Print Network [OSTI]

An algebra previously proposed as an asymptotic field structure in electrodynamics is considered in respect of localization properties of fields. Fields are 'spatially local' -- localized in regions resulting as unions of two intersecting (solid) lightcones: a future- and a past-lightcone. This localization remains in concord with the usual idealizations connected with the scattering theory. Fields thus localized naturally include infrared characteristics normally placed at spacelike infinity and form a structure respecting Gauss law. When applied to the description of the radiation of an external classical current the model is free of 'infrared catastrophe'.

Andrzej Herdegen

2007-11-14T23:59:59.000Z

355

Maupertuis principle, Wheeler's superspace and an invariant criterion for local instability in general relativity  

E-Print Network [OSTI]

It is tempting to raise the issue of (metric) chaos in general relativity since the Einstein equations are a set of highly nonlinear equations which may exhibit dynamically very complicated solutions for the space-time metric. However, in general relativity it is not easy to construct indicators of chaos which are gauge-invariant. Therefore it is reasonable to start by investigating - at first - the possibility of a gauge-invariant description of local instability. In this paper we examine an approach which aims at describing the dynamics in purely geometrical terms. The dynamics is formulated as a geodesic flow through the Maupertuis principle and a criterion for local instability of the trajectories may be set up in terms of curvature invariants (e.g. the Ricci scalar) of the manifold on which geodesic flow is generated. We discuss the relation of such a criterion for local instability (negativity of the Ricci scalar) to a more standard criterion for local instability and we emphasize that no inferences can be made about global chaotic behavior from such local criteria.

Marek Biesiada; Svend E. Rugh

1994-08-25T23:59:59.000Z

356

Transdermal drug delivery by localized intervention  

E-Print Network [OSTI]

Both field-confined skin electroporation and microscissioning offer minimally invasive methods for delivering drugs across skin and nail with minimal sensation. Both methods create high permeability pathways in a pain-free ...

Weaver, James C.

357

Thermodynamic formalism and localization in Lorentz gases and hopping models  

E-Print Network [OSTI]

The thermodynamic formalism expresses chaotic properties of dynamical systems in terms of the Ruelle pressure $\\psi(\\beta)$. The inverse-temperature like variable $\\beta$ allows one to scan the structure of the probability distribution in the dynamic phase space. This formalism is applied here to a Lorentz Lattice Gas, where a particle moving on a lattice of size $L^d$ collides with fixed scatterers placed at random locations. Here we give rigorous arguments that the Ruelle pressure in the limit of infinit e systems has two branches joining with a slope discontinuity at $\\beta = 1$. The low and high $\\beta$--branches correspond to localization of trajectories on respectively the ``most chaotic'' (highest density) region, and the ``most deterministic'' (lowest density) region, i.e. $\\psi(\\beta)$ is completely controlled by rare fluctuations in the distribution of scatterers on the lattice, and it does not carry any information on the global structure of the static disorder. As $\\beta$ approaches unity from either side, a localization-delocalization transition leads to a state where trajectories are extended and carry information on transport properties. At finite $L$ the narrow region around $\\beta = 1$ where the trajectories are extended scales as $(\\ln L)^{-\\alpha}$, where $\\alpha$ depends on the sign of $1-\\beta$, if $d>1$, and as $(L\\ln L)^{-1}$ if $d=1$. This result appears to be general for diffusive systems with static disorder, such as random walks in random environments or for the continuous Lorentz gas. Other models of random walks on disordered lattices, showing the same phenomenon, are discussed.

C. Appert; H. van Beijeren; M. H. Ernst; J. R. Dorfman

1996-07-31T23:59:59.000Z

358

Exploration of very high gradient cavities  

SciTech Connect (OSTI)

Several of the 9-cell ILC cavities processed at Jlab within ongoing ILC R&D program have shown interesting behavior at high fields, such as mode mixing and sudden field emission turn-on during quench. Equipped with thermometry and oscillating superleak transducer (OST) system for quench detection, we couple our RF measurements with local dissipation measurements. In this contribution we report on our findings with high gradient SRF cavities.

Grigory Eremeev

2011-07-01T23:59:59.000Z

359

Surface Chemistry of 2-Propanol on TiO2(110): Low and High Temperature...  

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

Chemistry of 2-Propanol on TiO2(110): Low and High Temperature Dehydration, Isotope Effects, and Influence of Local Surface Chemistry of 2-Propanol on TiO2(110): Low and High...

360

Thin Film Coolers for Localized Temperature Control in Optoelectronic Integrated Circuits Yan Zhang. James Cliristofferson, Danoosh Vaslkiee. Phuong Nguyen. Ali Shakouri  

E-Print Network [OSTI]

Thin Film Coolers for Localized Temperature Control in Optoelectronic Integrated Circuits Yan Zhang-sensitive properties of optoelectronic are constraints for high frequency high power operation. and for high level, optoelectronic. transient, integration Introduction 1. Thermal Issue in Optoelectronic Devices The on

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361

Enhanced-locality fiber-optic two-photon-fluorescence live-brain interrogation  

SciTech Connect (OSTI)

Two-photon excitation is shown to substantially enhance the locality of fiber-based optical interrogation of strongly scattering biotissues. In our experiments, a high-numerical-aperture, large-core-are fiber probe is used to deliver the 200-fs output of a 100-MHz mode-locked ytterbium fiber laser to samples of live mouse brain, induce two-photon fluorescence of nitrogen–vacancy centers in diamond markers in brain sample. Fiber probes with a high numerical aperture and a large core area are shown to enable locality enhancement in fiber-laser–fiber-probe two-photon brain excitation and interrogation without sacrificing the efficiency of fluorescence response collection.

Fedotov, I. V.; Doronina-Amitonova, L. V. [International Laser Center, Physics Department, M.V. Lomonosov Moscow State University, Moscow 119992 (Russian Federation); Russian Quantum Center, ul. Novaya 100, Skolkovo, Moscow Region 1430125 (Russian Federation); Kurchatov Institute National Research Center, Moscow (Russian Federation); Sidorov-Biryukov, D. A.; Fedotov, A. B. [International Laser Center, Physics Department, M.V. Lomonosov Moscow State University, Moscow 119992 (Russian Federation); Russian Quantum Center, ul. Novaya 100, Skolkovo, Moscow Region 1430125 (Russian Federation); Anokhin, K. V. [Kurchatov Institute National Research Center, Moscow (Russian Federation); P.K. Anokhin Institute of Normal Physiology, Russian Academy of Medical Sciences, Moscow (Russian Federation); Kilin, S. Ya. [B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk (Belarus); Sakoda, K. [National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044 (Japan); Zheltikov, A. M. [International Laser Center, Physics Department, M.V. Lomonosov Moscow State University, Moscow 119992 (Russian Federation); Russian Quantum Center, ul. Novaya 100, Skolkovo, Moscow Region 1430125 (Russian Federation); Department of Physics and Astronomy, Texas A and M University, College Station, Texas 77843 (United States); Center of Photochemistry, Russian Academy of Sciences, ul. Novatorov 7a, Moscow 117421 (Russian Federation)

2014-02-24T23:59:59.000Z

362

Optical observations of afterglows of gamma ray bursts localized by the high energy transient explorer  

E-Print Network [OSTI]

In this thesis, I discuss observations of the optical afterglows of seven HETE GRBs, carried out mainly with the Magellan Telescopes at Las Campanas Observatory in Chile. Five of the bursts, GRBs 020331, 030115, 030418, ...

Dullighan, Allyn, 1978-

2004-01-01T23:59:59.000Z

363

Anomalously high photocurrents in nanostructured electrodes : a new local microchip power source.  

SciTech Connect (OSTI)

An increase in photocurrent has been observed at silicon electrodes coated with nanostructured porous silica films as compared to bare, unmodified silicon. Ultimately, to utilize this effect in devices such as sensors or microchip power supplies, the physical phenomena behind this observation need to be well characterized. To this end, Electrochemical Impedance Spectroscopy (EIS) was used to characterize the effect of surfactant-templated mesoporous silica films deposited onto silicon electrodes on the electrical properties of the electrode space-charge region in an aqueous electrolyte solution, as the electrical properties of this space-charge region are responsible for the photobehavior of semiconductor devices. A significant shift in apparent flat-band potential was observed for electrodes modified with the silica film when compared to bare electrodes; the reliability of this data is suspect, however, due to contributions from surface states to the overall capacitance of the system. To assist in the interpretation of this EIS data, a series of measurements at Pt electrodes was performed with the hope of decoupling electrode and film contributions from the EIS spectra. Surprisingly, the frequency-dependent impedance data for Pt electrodes coated with a surfactant-templated film was nearly identical to that observed for bare Pt electrodes, indicating that the mesoporous film had little effect on the transport of small electrolyte ions to the electrode surface. Pore-blocking agents (tetraalkylammonium salts) were not observed to inhibit this transport process. However, untemplated (non-porous) silica films dramatically increased film resistance, indicating that our EIS data for the Pt electrodes is reliable. Overall, our preliminary conclusion is that a shift in electrical properties in the space-charge region induced by the presence of a porous silica film is responsible for the increase in observed photocurrent.

Hughes, Robert Clark; Dunphy, Darren Robert; Brinker, C. Jeffrey; Brozik, Susan Marie

2004-02-01T23:59:59.000Z

364

Electrochemical study of resistance to localized corrosion of stainless steels for biomaterial applications  

SciTech Connect (OSTI)

Sandvik Bioline High-N and 316 LVM are two austenitic stainless steels especially developed for biomaterial applications. Their resistance to localized corrosion was investigated by electrochemical methods including cyclic potentiodynamic polarization and potentiostatic polarization measurements in a phosphate-buffered saline solution and in a simulated crevice solution, i.e., designed for crevice corrosion testing. Sandvik SAF 2507 (a high-performance super duplex stainless steel) was included in the tests as a reference material High-N, higher alloyed than 316 LVM, demonstrated excellent resistance to pitting initiation and a strong tendency to repassivation. High-N proved to have an equivalent or even higher resistance to localized corrosion than SAF 2507. The latter is known for its impressive corrosion properties, particularly in chloride containing environments. While 316 LVM may run the risk of crevice corrosion in implant applications, the risk seems negligible for High-N. In view of the fact that also the mechanical properties are superior to those of 316 LVM, High-N is a very attractive implant material.

Pan, J.; Karlen, C.; Ulfvin, C.

2000-03-01T23:59:59.000Z

365

Edge-localized-modes in tokamaks  

SciTech Connect (OSTI)

Edge-localized-modes (ELMs) are a ubiquitous feature of H-mode in tokamaks. When gradients in the H-mode transport barrier grow to exceed the MHD stability limit the ELM instability grows explosively, rapidly transporting energy and particles onto open field lines and material surfaces. Though ELMs provide additional particle and impurity transport through the H-mode transport barrier, enabling steady operation, the resulting heat flux transients to plasma facing surfaces project to large amplitude in future low collisionality burning plasma tokamaks. Measurements of the ELM heat flux deposition onto material surfaces in the divertor and main chamber indicate significant broadening compared to inter-ELM heat flux, with a timescale for energy deposition that is consistent with sonic ion flow and numerical simulation. Comprehensive ELM simulation is highlighting the important physics processes of ELM transport including parallel transport due to magnetic reconnection and turbulence resulting from collapse of the H-mode transport barrier. Encouraging prospects for ELM control and/or suppression in future tokamaks include intrinsic modes of ELM free operation, ELM triggering with frequent small pellet injection and the application of 3D magnetic fields.

Leonard, A. W. [General Atomics, PO Box 85608, San Diego, California 92186-5608 (United States)

2014-09-15T23:59:59.000Z

366

Dual mode stereotactic localization method and application  

DOE Patents [OSTI]

The invention described herein combines the structural digital X-ray image provided by conventional stereotactic core biopsy instruments with the additional functional metabolic gamma imaging obtained with a dedicated compact gamma imaging mini-camera. Before the procedure, the patient is injected with an appropriate radiopharmaceutical. The radiopharmaceutical uptake distribution within the breast under compression in a conventional examination table expressed by the intensity of gamma emissions is obtained for comparison (co-registration) with the digital mammography (X-ray) image. This dual modality mode of operation greatly increases the functionality of existing stereotactic biopsy devices by yielding a much smaller number of false positives than would be produced using X-ray images alone. The ability to obtain both the X-ray mammographic image and the nuclear-based medicine gamma image using a single device is made possible largely through the use of a novel, small and movable gamma imaging camera that permits its incorporation into the same table or system as that currently utilized to obtain X-ray based mammographic images for localization of lesions.

Keppel, Cynthia E. (Norfolk, VA); Barbosa, Fernando Jorge (Newport News, VA); Majewski, Stanislaw (Grafton, VA)

2002-01-01T23:59:59.000Z

367

Research Collaboration with local Centers of  

E-Print Network [OSTI]

Faculty 2014 Enrollment 2013 Graduates Brief History For more information, see our Annual Report at www.engr.utk.edu/nuclear, and Control Laboratory · PWR Simulator (hardware and software) · Radiochemistry and Nuclear Forensics in the past 56 years · 85 MW High Flux Isotope Reactor (HFIR) · Spallation Neutron Source (SNS) · Nuclear

Tennessee, University of

368

VISCOUS AIRFOIL COMPUTATIONS USING LOCAL PRECONDITIONING  

E-Print Network [OSTI]

or artificial dissi­ pation is based on the preconditioned system, improved steady­state solutions can compressibil­ ity effects. The flow over an airfoil at high lift is an ex­ ample of such a situation. Although or artificial dissipation, generally scales badly as the Mach number is reduced. If the flux splitting

Zingg, David W.

369

Local Thermal Equilibrium States and Quantum Energy Inequalities  

E-Print Network [OSTI]

In this paper we investigate the energy distribution of states of a linear scalar quantum field with arbitrary curvature coupling on a curved spacetime which fulfill some local thermality condition. We find that this condition implies a quantum energy inequality for these states, where the (lower) energy bounds depend only on the local temperature distribution and are local and covariant (the dependence of the bounds other than on temperature is on parameters defining the quantum field model, and on local quantities constructed from the spacetime metric). Moreover, we also establish the averaged null energy condition (ANEC) for such locally thermal states, under growth conditions on their local temperature and under conditions on the free parameters entering the definition of the renormalized stress-energy tensor. These results hold for a range of curvature couplings including the cases of conformally coupled and minimally coupled scalar field.

Jan Schlemmer; Rainer Verch

2008-02-15T23:59:59.000Z

370

Scanning localized magnetic fields in a microfluidic device with a single nitrogen vacancy center  

E-Print Network [OSTI]

Nitrogen vacancy (NV) color centers in diamond have emerged as highly versatile optical emitters that exhibit room temperature spin properties. These characteristics make NV centers ideal for magnetometry, which plays an important role in chemical and biological sensing applications. The integration of NV magnetometers with microfluidic systems could enable the study of isolated chemical and biological samples in a fluid environment with high spatial resolution. Here we demonstrate a method to perform localized magnetometry with nanometer spatial precision using a single NV center in a microfluidic device. We manipulate a magnetic particle within a liquid environment using a combination of planar microfluidic flow control and vertical magnetic actuation to achieve 3-dimensional manipulation. A diamond nanocrystal containing a single NV center is deposited in the microfluidic channels and acts as a local magnetic field probe. We map out the magnetic field distribution of the magnetic particle by varying its position relative to the diamond nanocrystal and performing optically resolved electron spin resonance (ESR) measurements. We control the magnetic particle position with a 48 nm precision and attain a magnetic field sensitivity of 17.5 microTesla/Hz^1/2. These results open up the possibility for studying local magnetic properties of biological and chemical systems with high sensitivity in an integrated microfluidic platform.

Kangmook Lim; Chad Ropp; Benjamin Shapiro; Jacob M. Taylor; Edo Waks

2014-08-01T23:59:59.000Z

371

Fermion localization and flavour hierarchy in higher curvature spacetime  

E-Print Network [OSTI]

Fermion localization in a braneworld model in presence of dilaton coupled higher curvature Gauss-Bonnet bulk gravity is discussed. It is shown that the left handed fermionic modes can be localized on the visible brane due to the dilaton coupled higher curvature term without the necessity of any external localizing bulk field. This offers a natural resolution of the flavour hierarchy problem in Standard Model.

Choudhury, Sayantan; SenGupta, Soumitra

2015-01-01T23:59:59.000Z

372

Local Content Requirements in British Columbia's Wind Power Industry  

E-Print Network [OSTI]

Local Content Requirements in British Columbia's Wind Power Industry May Hao, Matt Mackenzie, Alex..................................................................................8 4.1 Current Wind Power Projects

Pedersen, Tom

373

NREL: State and Local Governments - The Effect of State Policy...  

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

Fact Sheet Blog post Podcast Press release Slide 1: Intro slide Implementing State and Local Markets Specific groupings of state policies stimulate distributed PV markets over...

374

Skeletal muscle biomechanics drives intramuscular transport of locally delivered drugs  

E-Print Network [OSTI]

Introduction: Effective local drug delivery to contractile tissues such as skeletal muscle requires a thorough understanding of the impact of mechanical loads on intramuscular pharmacokinetics. Current preparations for ...

Wu, Peter I-Kung

2007-01-01T23:59:59.000Z

375

State and Local Solution Center | Department of Energy  

Energy Savers [EERE]

(TAP) provide resources, events, and assistance to state, local, tribal, and K-12 school district leaders working to unlock a clean energy economy. Resources in the State and...

376

Local Fermi gas in inclusive muon capture from nuclei  

E-Print Network [OSTI]

We compare local Fermi gas and shell model in muon capture in nuclei in order to estimate the effect of finite nuclear size in low energy weak reactions.

J. E. Amaro; J. Nieves; M. Valverde; C. Maieron

2006-05-20T23:59:59.000Z

377

Electric Field Control of Local Ferromagnetism with a Magnetoelectric...  

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

Electric Field Control of Local Ferromagnetism with a Magnetoelectric Multiferroic Print Magnetoelectric multiferroics-materials that simultaneously show some form of magnetic and...

378

alfreton local plan: Topics by E-print Network  

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

the robot should perform in order to improve mapping efficiency Chaimowicz, Luiz 7 Business Plans Classification with Locally Pruned Lazy Learning Models Engineering...

379

Local Uniqueness for the Fixed Energy Fixed Angle Inverse Problem ...  

E-Print Network [OSTI]

Abstract. We prove local uniqueness for the inverse problem in obstacle scattering at a fixed energy and fixed incident angle. We consider the inverse problem of ...

380

Optimization Online - Exploiting derivative-free local searches in ...  

E-Print Network [OSTI]

Feb 28, 2014 ... Exploiting derivative-free local searches in DIRECT-type algorithms for global optimization. Giampaolo Liuzzi(giampaolo.liuzzi ***at*** ...

Giampaolo Liuzzi

2014-02-28T23:59:59.000Z

Note: This page contains sample records for the topic "temporarily high local" 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

State and Local Energy Assurance Planning | Department of Energy  

Energy Savers [EERE]

to support their energy emergency response activities. This is done through forums, web-based training, and table top exercises for federal, State, and local energy officials...

382

Mandating Solar Hot Water by California Local Governments: Legal Issues  

E-Print Network [OSTI]

the legality of solar mandates in California cities andCITIES & CALIFORNIA ENERGY COMMISSION, SOLAR HANDBOOK FORMandating Solar Hot Water By California Local Governments:

Hoffman,, Peter C.

1981-01-01T23:59:59.000Z

383

NREL: State and Local Governments - Value of Solar: Program Design...  

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

the Benefits and Costs of Distributed Photovoltaic Generation to the U.S. Electric Grid" Value of Solar Policy Basics Printable Version State & Local Governments Home Blog...

384

State and Local Code Implementation: Southwest Region - 2014...  

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

Implementation: Southwest Region - 2014 BTO Peer Review Presenter: Jim Meyers, Southwest Energy Efficiency Project View the Presentation State and Local Code Implementation:...

385

State and Local Code Implementation: South-central Region - 2014...  

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

Region - 2014 BTO Peer Review More Documents & Publications Building Energy Codes Program - 2014 BTO Peer Review State and Local Code Implementation: Northeast Region -...

386

Support for State, Local, and Tribal Officials | Department of...  

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

and Intergovernmental Programs Office (WIPO) is consolidating its technical assistance program offerings to support state, local, and tribal officials under the State and...

387

Risk Analysis 101: fooled by local robustness ... again!  

E-Print Network [OSTI]

Sep 24, 2012 ... Risk Analysis 101: fooled by local robustness ... again! Moshe Sniedovich(moshe ***at*** ms.unimelb.edu.au). Abstract: This article explains, ...

Moshe Sniedovich

2012-09-24T23:59:59.000Z

388

Optically generated ultrasound for enhanced drug delivery  

DOE Patents [OSTI]

High frequency acoustic waves, analogous to ultrasound, can enhance the delivery of therapeutic compounds into cells. The compounds delivered may be chemotherapeutic drugs, antibiotics, photodynamic drugs or gene therapies. The therapeutic compounds are administered systemically, or preferably locally to the targeted site. Local delivery can be accomplished through a needle, cannula, or through a variety of vascular catheters, depending on the location of routes of access. To enhance the systemic or local delivery of the therapeutic compounds, high frequency acoustic waves are generated locally near the target site, and preferably near the site of compound administration. The acoustic waves are produced via laser radiation interaction with an absorbing media and can be produced via thermoelastic expansion, thermodynamic vaporization, material ablation, or plasma formation. Acoustic waves have the effect of temporarily permeabilizing the membranes of local cells, increasing the diffusion of the therapeutic compound into the cells, allowing for decreased total body dosages, decreased side effects, and enabling new therapies.

Visuri, Steven R. (Livermore, CA); Campbell, Heather L. (Baltimore, MD); Da Silva, Luiz (Danville, CA)

2002-01-01T23:59:59.000Z

389

Connecting Reionization to the Local Universe  

SciTech Connect (OSTI)

We present results of combined N-body and three-dimensional reionization calculations to determine the relationship between reionization history and local environment in a volume 1 Gpc h{sup -1} across and a resolution of about 1 Mpc. We resolve the formation of about 2 x 10{sup 6} halos of mass greater than {approx} 10{sup 12} M{sub {circle_dot}} at z = 0, allowing us to determine the relationship between halo mass and reionization epoch for galaxies and clusters. For our fiducial reionization model, in which reionization begins at z {approx} 15 and ends by z {approx} 6, we find a strong bias for cluster-size halos to be in the regions which reionized first, at redshifts 10 < z < 15. Consequently, material in clusters was reionized within relatively small regions, on the order of a few Mpc, implying that all clusters in our calculation were reionized by their own progenitors. Milky Way mass halos were on average reionized later and by larger regions, with a distribution most similar to the global one, indicating that low mass halos are nearly uncorrelated with reionization when only their mass is taken as a prior. On average, we find that most halos with mass less than 10{sup 13} M{sub {circle_dot}} were reionized internally, while almost all halos with masses greater than 10{sup 14} M{sub {circle_dot}} were reionized by their own progenitors. We briefly discuss the implications of this work in light of the 'missing satellites' problem and how this new approach may be extended further.

Alvarez, Marcelo A.; Busha, Michael; Abel, Tom; Wechsler, Risa H.; /KIPAC, Menlo Park

2009-08-03T23:59:59.000Z

390

LOCAL RADIATION MAGNETOHYDRODYNAMIC INSTABILITIES IN MAGNETICALLY STRATIFIED MEDIA  

SciTech Connect (OSTI)

We study local radiation magnetohydrodynamic instabilities in static, optically thick, vertically stratified media with constant flux mean opacity. We include the effects of vertical gradients in a horizontal background magnetic field. Assuming rapid radiative diffusion, we use the zero gas pressure limit as an entry point for investigating the coupling between the photon bubble instability and the Parker instability. Apart from factors that depend on wavenumber orientation, the Parker instability exists for wavelengths longer than a characteristic wavelength {lambda}{sub tran}, while photon bubbles exist for wavelengths shorter than {lambda}{sub tran}. The growth rate in the Parker regime is independent of the orientation of the horizontal component of the wavenumber when radiative diffusion is rapid, but the range of Parker-like wavenumbers is extended if there exists strong horizontal shear between field lines (i.e., horizontal wavenumber perpendicular to the magnetic field). Finite gas pressure introduces an additional short-wavelength limit to the Parker-like behavior, and also limits the growth rate of the photon bubble instability to a constant value at short wavelengths. We also consider the effects of differential rotation with accretion disk applications in mind. Our results may explain why photon bubbles have not yet been observed in recent stratified shearing box accretion disk simulations. Photon bubbles may physically exist in simulations with high radiation to gas pressure ratios, but higher spatial resolution will be needed to resolve the asymptotically growing unstable wavelengths.

Tao, Ted; Blaes, Omer [Department of Physics, University of California, Santa Barbara, CA 93106 (United States)

2011-11-20T23:59:59.000Z

391

HI Cosmology in the Local Universe with ALFALFA  

E-Print Network [OSTI]

The Arecibo Legacy Fast ALFA (ALFALFA) survey is an on-going second generation blind extragalactic HI survey exploiting Arecibo's superior sensitivity, angular resolution and digital technology to conduct a census of the local HI universe over a cosmologically significant volume. As of mid-2007, ~4500 good quality extragalactic HI line sources have been extracted in ~15% of the final survey area. ALFALFA is detecting HI masses as low as 10**6 Msun and as high as 10**10.8 Msun with positional accuracies typically better than 20 arcsec, allowing immediate identification of the most probable optical counterparts. Only 3% of all extragalactic HI sources and fewer than 1% of detections with M(HI) > 10**9.5 Msun cannot be identified with a stellar component. First ALFALFA results already suggest, in agreement with previous studies, that there does not appear to be a cosmologically significant population of optically dark but HI rich galaxies. ALFALFA promises a wealthy dataset for the exploration of many issues in ...

Haynes, Martha P

2007-01-01T23:59:59.000Z

392

HI Cosmology in the Local Universe with ALFALFA  

E-Print Network [OSTI]

The Arecibo Legacy Fast ALFA (ALFALFA) survey is an on-going second generation blind extragalactic HI survey exploiting Arecibo's superior sensitivity, angular resolution and digital technology to conduct a census of the local HI universe over a cosmologically significant volume. As of mid-2007, ~4500 good quality extragalactic HI line sources have been extracted in ~15% of the final survey area. ALFALFA is detecting HI masses as low as 10**6 Msun and as high as 10**10.8 Msun with positional accuracies typically better than 20 arcsec, allowing immediate identification of the most probable optical counterparts. Only 3% of all extragalactic HI sources and fewer than 1% of detections with M(HI) > 10**9.5 Msun cannot be identified with a stellar component. First ALFALFA results already suggest, in agreement with previous studies, that there does not appear to be a cosmologically significant population of optically dark but HI rich galaxies. ALFALFA promises a wealthy dataset for the exploration of many issues in near-field cosmology and galaxy evolution studies, setting the stage for their extension to higher redshifts with the Square Kilometer Array (SKA).

Martha P. Haynes

2007-08-19T23:59:59.000Z

393

THE ENVIRONMENTAL INFLUENCE ON THE EVOLUTION OF LOCAL GALAXIES  

SciTech Connect (OSTI)

The results of an H{alpha} photometric survey of 30 dwarf galaxies of various morphologies in the Centaurus A and Sculptor groups are presented. Of these 30, emission was detected in 13: eight are of late-type, two are early-type, and three are of mixed morphologies. The typical flux detection limit of {approx}2 x 10{sup -16} erg s{sup -1} cm{sup -2} translates into a star-formation rate (SFR) detection limit of 4 x 10{sup -6} M {sub sun} yr{sup -1}. In light of these results, the morphology-density relation is re-examined, and it is shown that, despite a number of unaccounted parameters, there are significant correlations between the factors determining the morphological type of a galaxy and its environment. Dwarf galaxies in high-density regions have a lower current SFR and lower neutral gas content than their low-density counterparts, confirming earlier results from the Local Group and other denser environments. The effect of environment is also seen in the timescale formed from the ratio of blue luminosity to current SFR-dwarfs in higher-density environments have larger values, indicating relatively higher past average SFR. The influence of environment extends very far, and no dwarfs from our sample can be identified as 'field' objects.

Bouchard, Antoine; Da Costa, Gary S.; Jerjen, Helmut [Research School of Astronomy and Astrophysics, Australian National University, Weston, ACT 2611 (Australia)], E-mail: gdc@mso.anu.edu.au, E-mail: jerjen@mso.anu.edu.au, E-mail: bouchard@ast.uct.ac.za

2009-02-15T23:59:59.000Z

394

All-optical control in metal nanocomposites due to a reversible transition between the local-field-enhancement and a local-field-depression upon irradiation by ultrashort control-pulses of light  

E-Print Network [OSTI]

We theoretically study on non-perturbative effective nonlinear responses of metal nanocomposites based on the intrinsic third-order nonlinear response of metal nanoparticles. The large intrinsic third-order nonlinear susceptibility of metal nanoparticles and an irradiation by ultrashort control pulse of light with a sufficiently high peak intensity and moderate fluence can induce a local-field-depression and a saturated plasmon-bleaching in metal nanoparticles. If the control pulse is on, the metal nanocomposites can behave like a dielectric due to the local-field-depression, while if the control pulse is off, the metal nanocomposites can behave like a metal showing a high absorption due to the local-field-enhancement at the plasmon-resonance. This phenomenon can be applied to an ultrafast and remote control of light in metal nanocomposites.

Im, Song-Jin

2014-01-01T23:59:59.000Z

395

EFFECTS OF LOCAL DISSIPATION PROFILES ON MAGNETIZED ACCRETION DISK SPECTRA  

SciTech Connect (OSTI)

We present spectral calculations of non-LTE accretion disk models appropriate for high-luminosity stellar mass black hole X-ray binary systems. We first use a dissipation profile based on scaling the results of shearing box simulations of Hirose et al. to a range of annuli parameters. We simultaneously scale the effective temperature, orbital frequency, and surface density with luminosity and radius according to the standard {alpha}-model. This naturally brings increased dissipation to the disk surface layers (around the photospheres) at small radii and high luminosities. We find that the local spectrum transitions directly from a modified blackbody to a saturated Compton scattering spectrum as we increase the effective temperature and orbital frequency while decreasing midplane surface density. Next, we construct annuli models based on the parameters of a L/L{sub Edd} = 0.8 disk orbiting a 6.62 solar mass black hole using two modified dissipation profiles that explicitly put more dissipation per unit mass near the disk surface. The new dissipation profiles are qualitatively similar to the one found by Hirose et al., but produce strong near power-law spectral tails. Our models also include physically motivated magnetic acceleration support based once again on scaling the Hirose et al. results. We present three full-disk spectra, each based on one of the dissipation prescriptions. Our most aggressive dissipation profile results in a disk spectrum that is in approximate quantitative agreement with certain observations of the steep power-law spectral states from some black hole X-ray binaries.

Tao, Ted [Department of Physics, St. Mary's College of Maryland, St. Mary's City, MD 20686 (United States); Blaes, Omer [Department of Physics, University of California, Santa Barbara, CA 93106 (United States)

2013-06-10T23:59:59.000Z

396

High Performance Network Monitoring  

SciTech Connect (OSTI)

Network Monitoring requires a substantial use of data and error analysis to overcome issues with clusters. Zenoss and Splunk help to monitor system log messages that are reporting issues about the clusters to monitoring services. Infiniband infrastructure on a number of clusters upgraded to ibmon2. ibmon2 requires different filters to report errors to system administrators. Focus for this summer is to: (1) Implement ibmon2 filters on monitoring boxes to report system errors to system administrators using Zenoss and Splunk; (2) Modify and improve scripts for monitoring and administrative usage; (3) Learn more about networks including services and maintenance for high performance computing systems; and (4) Gain a life experience working with professionals under real world situations. Filters were created to account for clusters running ibmon2 v1.0.0-1 10 Filters currently implemented for ibmon2 using Python. Filters look for threshold of port counters. Over certain counts, filters report errors to on-call system administrators and modifies grid to show local host with issue.

Martinez, Jesse E [Los Alamos National Laboratory

2012-08-10T23:59:59.000Z

397

A new prediction strategy for long local protein structures using an original description  

E-Print Network [OSTI]

- 1 - A new prediction strategy for long local protein structures using an original description Prediction Keywords: library of fragments, structural networks, local structure prediction, support vector approximation. A local structure prediction method was also proposed. Here, overlapping properties of local

Paris-Sud XI, Université de

398

Other Locales Gulf Stream Locale -A Field Laboratory for Cloud Process  

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 - September 2006 The 2002Optics Group (X-rayLSD LogoDOE TribalGulf Stream Locale -A

399

Maupertuis principle, Wheeler's superspace and an invariant criterion for local instability in general relativity  

E-Print Network [OSTI]

It is tempting to raise the issue of (metric) chaos in general relativity since the Einstein equations are a set of highly nonlinear equations which may exhibit dynamically very complicated solutions for the space-time metric. However, in general relativity it is not easy to construct indicators of chaos which are gauge-invariant. Therefore it is reasonable to start by investigating - at first - the possibility of a gauge-invariant description of local instability. In this paper we examine an approach which aims at describing the dynamics in purely geometrical terms. The dynamics is formulated as a geodesic flow through the Maupertuis principle and a criterion for local instability of the trajectories may be set up in terms of curvature invariants (e.g. the Ricci scalar) of the manifold on which geodesic flow is generated. We discuss the relation of such a criterion for local instability (negativity of the Ricci scalar) to a more standard criterion for local instability and we emphasize that no inferences can...

Biesiada, M; Biesiada, Marek; Rugh, Svend E

1994-01-01T23:59:59.000Z

400

Nuclear localization of pyrroleimidazole polyamidefluorescein conjugates in cell culture  

E-Print Network [OSTI]

- jugates were synthesized and assayed for cellular localization. Thirteen cell lines, representing 11 human cancers, one human transformed kidney cell line, and one murine leukemia cell line, were treated with 5 M cell lines tested. The localization profiles of several other conjugates suggest that pyrrole

Dervan, Peter B.

Note: This page contains sample records for the topic "temporarily high local" 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

Organizing and Strategizing a Local/Regional Solar Effort  

Broader source: Energy.gov [DOE]

This webinar, "Organizing and Strategizing A Local/Regional Solar Effort," was originally presented on June 14, 2013 as part of the DOE SunShot Initiative's Solar Action Webinar Series. This includes presentations by a number of the program's grant partners, including three cities and one corporate partner, to provide participants' perspectives and present their local solar strategies.

402

Collaborative Facial Landmark Localization for Transferring Annotations Across Datasets  

E-Print Network [OSTI]

Collaborative Facial Landmark Localization for Transferring Annotations Across Datasets Brandon M landmark datasets with different landmark definitions into a super dataset, with a union of all landmark known landmarks in the target dataset to constrain the localization. Our novel pipeline is built upon

Zhang, Li

403

Local and Global Casimir Energies for a Semitransparent Cylindrical Shell  

E-Print Network [OSTI]

Local and Global Casimir Energies for a Semitransparent Cylindrical Shell In´es Cavero the -function shell, the local energy density diverges as the surface of the shell is approached; the divergence by physical boundaries, such as the Casimir energy due to a perfectly conducting spherical shell [1], has been

Milton, Kim

404

REVIEWS AND SYNTHESES Local adaptation in host use among marine  

E-Print Network [OSTI]

, local adaptation, selection. Ecology Letters (2005) 8: 448­459 I N T R O DU C T I O N Population, abundance and ecological roles of organisms (Fox & Morrow 1981; Mopper & Strauss 1998), helps to maintain, there is a lingering perception that populations in the sea rarely locally adapt, and are more likely to evolve

Sotka, Erik

405

Visualizing the Local Optical Response of Semiconducting Carbon Nanotubes to  

E-Print Network [OSTI]

Visualizing the Local Optical Response of Semiconducting Carbon Nanotubes to DNA-Wrapping Huihong ABSTRACT We studied the local optical response of semiconducting single-walled carbon nanotubes to wrapping-field images of single nanotubes reveal large DNA-wrapping-induced red shifts of the exciton energy

Novotny, Lukas

406

The Robot Swarm Re-localization Problem Nicolas Bredeche  

E-Print Network [OSTI]

The Robot Swarm Re-localization Problem Nicolas Bredeche TAO / LRI ; Univ Paris-Sud, CNRS, INRIA the problem of re-localization in a swarm of moving virtual robots where some robots might be lost and where the distance between each neighboring robot is known within a limited communication radius (e.g. using

Paris-Sud XI, Université de

407

Image Forgery Detection Using Multi-Resolution Weber Local Descriptors  

E-Print Network [OSTI]

Image Forgery Detection Using Multi-Resolution Weber Local Descriptors Muhammad Hussain1 , Ghulam * ghulam@ksu.edu.sa Abstract-- In this paper, a multi-resolution Weber law descriptors (WLD) based image of the images. Keywords: image forgery detection, Weber local descriptor, splicing forgery, copy-move forgery

Bebis, George

408

Business Plans Classification with Locally Pruned Lazy Learning Models  

E-Print Network [OSTI]

1 Business Plans Classification with Locally Pruned Lazy Learning Models Antti Sorjamaa1 , Amaury linéaire par morceaux connue sous le nom de Locally Pruned Lazy Learning Model. Mots clefs : Lazy Learning, Classification, Leave-one-Out, Elagage. Abstract : A business plan is a document presenting in a concise form

Verleysen, Michel

409

Localized temperature stability of low temperature cofired ceramics  

DOE Patents [OSTI]

The present invention is directed to low temperature cofired ceramic modules having localized temperature stability by incorporating temperature coefficient of resonant frequency compensating materials locally into a multilayer LTCC module. Chemical interactions can be minimized and physical compatibility between the compensating materials and the host LTCC dielectrics can be achieved. The invention enables embedded resonators with nearly temperature-independent resonance frequency.

Dai, Steven Xunhu

2013-11-26T23:59:59.000Z

410

LOCALIZED AGRO-ALIMENTARY SYSTEMS IN THE PAMPAS REGION, ARGENTINA.  

E-Print Network [OSTI]

LOCALIZED AGRO-ALIMENTARY SYSTEMS IN THE PAMPAS REGION, ARGENTINA. THEORETICAL AND METHODOLOGICAL Investigaciones Científicas (CIC) - Buenos Aires - Argentina Departamento de Desarrollo Rural - Facultad de LOCALIZED AGRO-ALIMENTARY SYSTEMS IN THE PAMPAS REGION, ARGENTINA. halshs-00534675,version1-21Mar2013 Author

Boyer, Edmond

411

Energy-Optimal Collaborative GPS Localization with Short Range Communication  

E-Print Network [OSTI]

accuracy. In this paper, we show that the collaboration among proxy devices is helpful to energy-efficiently campuses. Next, we contemplate what is the best method for selfish mobile users to collaborate for energy-efficient localization, and suggest an energy-efficient and/or user fairness localization framework. Next, we develop

Cai, Ying

412

Infinite Hamilton Cycles in Squares of Locally Finite Graphs  

E-Print Network [OSTI]

Infinite Hamilton Cycles in Squares of Locally Finite Graphs Agelos Georgakopoulos Abstract We prove Diestel's conjecture that the square G2 of a 2-connected locally finite graph G has a Hamilton if and only if they have distance at most n in G. A Hamilton cycle in a graph is a cycle containing all its

Diestel, Reinhard

413

Fertility Limits on Local Politicians in India Abhishek Chakravarty  

E-Print Network [OSTI]

.g., sterilization incentives in India). This paper examines a novel policy experiment that imposes fertility limitsFertility Limits on Local Politicians in India S Anukriti Abhishek Chakravarty September 19, 2014: political leaders. Keywords: India, Local Elections, Fertility Limits, Sex Ratios, Population Control We

Bandyopadhyay, Antar

414

Local Harmonic Estimation in Musical Sound Rafael A. IRIZARRY  

E-Print Network [OSTI]

Local Harmonic Estimation in Musical Sound Signals Rafael A. IRIZARRY Statistical modeling so a local harmonic model that tracks changes in pitch and in the amplitudes of the harmonics is fit estimates of the harmonic signal and of the noise signal. Different musical composition applications may

Irizarry, Rafael A.

415

Local Impact, National Influence, Global Reach UC San Diego's  

E-Print Network [OSTI]

, Global Reach Impacting the Economy Overall Impact in San Diego County · Total economic impact of UC SanLocal Impact, National Influence, Global Reach UC San Diego's Economic Impact and Benefits in our Region and State Chancellor Marye Anne Fox #12;Local Impact, National Influence, Global Reach Economic

Russell, Lynn

416

Short communication Localized structures generated by subcritical instabilities  

E-Print Network [OSTI]

1829 Short communication Localized structures generated by subcritical instabilities O. Thual(1 cases the possible ori- gin of localized structures lies in the existence of a subcritical instability.1051/jphys:0198800490110182900 #12;1830 structure in the vicinity of a subcritical instabi- lity

Paris-Sud XI, Université de

417

Damping filter method for obtaining spatially localized solutions  

E-Print Network [OSTI]

Spatially localized structures are key components of turbulence and other spatio-temporally chaotic systems. From a dynamical systems viewpoint, it is desirable to obtain corresponding exact solutions, though their existence is not guaranteed. A damping filter method is introduced to obtain variously localized solutions, and adopted into two typical cases. This method introduces a spatially selective damping effect to make a good guess at the exact solution, and we can obtain an exact solution through a continuation with the damping amplitude. First target is a steady solution to Swift-Hohenberg equation, which is a representative of bi-stable systems in which localized solutions coexist, and a model for span-wisely localized cases. Not only solutions belonging to the well-known snaking branches but also those belonging to an isolated branch known as "isolas" are found with a continuation paths between them in phase space extended with the damping amplitude. This indicates that this spatially selective excitation mechanism has an advantage in searching spatially localized solutions. Second target is a spatially localized traveling-wave solution to Kuramoto-Sivashinsky equation, which is a model for stream-wisely localized cases. Since the spatially selective damping effect breaks Galilean and translational invariances, the propagation velocity cannot be determined uniquely while the damping is active, and a singularity arises when these invariances are recovered. We demonstrate that this singularity can be avoided by imposing a simple condition, and a localized traveling-wave solution is obtained with a specific propagation speed.

Toshiki Teramura; Sadayoshi Toh

2014-04-30T23:59:59.000Z

418

Generating the local oscillator "locally" in continuous-variable quantum key distribution based on coherent detection  

E-Print Network [OSTI]

Continuous-variable quantum key distribution (CV-QKD) protocols based on coherent detection have been studied extensively in both theory and experiment. In all the existing implementations of CV-QKD, both the quantum signal and the local oscillator (LO) are generated from the same laser and propagate through the insecure quantum channel. This arrangement may open security loopholes and also limit the potential applications of CV-QKD. In this paper, we propose and demonstrate a pilot-aided feedforward data recovery scheme which enables reliable coherent detection using a "locally" generated LO. Using two independent commercial laser sources and a spool of 25 km optical fiber, we construct a coherent communication system. The variance of the phase noise introduced by the proposed scheme is measured to be 0.04 (rad^2), which is small enough to enable secure key distribution. This technology also opens the door for other quantum communication protocols, such as the recently proposed measurement-device-independent (MDI) CV-QKD where independent light sources are employed by different users.

Bing Qi; Pavel Lougovski; Raphael Pooser; Warren Grice; Miljko Bobrek

2015-03-02T23:59:59.000Z

419

Stochastic reduced-order model for an automotive vehicle in presence of numerous local elastic modes in the low-  

E-Print Network [OSTI]

Stochastic reduced-order model for an automotive vehicle in presence of numerous local elastic a high modal density in the low-frequency range, such as an automotive vehicle. This type of structure is applied on a complex computational model of an automotive vehicle. 1 INTRODUCTION This work is performed

Paris-Sud XI, Université de

420

Boiling heat transfer in a vertical microchannel: Local estimation during flow boiling with a non intrusive method  

E-Print Network [OSTI]

Boiling heat transfer in a vertical microchannel: Local estimation during flow boiling with a non the results of experimental and numerical studies concerning boiling heat transfer inside vertical in minichannels for several gravity levels (µg, 1g, 2g). To fully understand the high heat transfer potential

Note: This page contains sample records for the topic "temporarily high local" 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

Two Chlamydomonas CTR Copper Transporters with a Novel Cys-Met Motif Are Localized to the Plasma Membrane and  

E-Print Network [OSTI]

Two Chlamydomonas CTR Copper Transporters with a Novel Cys-Met Motif Are Localized to the Plasma Membrane and Function in Copper Assimilation W M. Dudley Page, Janette Kropat, Patrice P. Hamel,1, California 90095-1569 Inducible high-affinity copper uptake is key to copper homeostasis in Chlamydomonas

Meier, Iris

422

Non-local gravity and comparison with observational datasets  

E-Print Network [OSTI]

We study the cosmological predictions of two recently proposed non-local modifications of General Relativity. Both models have the same number of parameters as $\\Lambda$CDM, with a mass parameter $m$ replacing the cosmological constant. We implement the cosmological perturbations of the non-local models into a modification of the CLASS Boltzmann code, and we make a full comparison to CMB, BAO and supernova data. We find that the non-local models fit these datasets as well as $\\Lambda$CDM. For both non-local models parameter estimation using Planck+JLA+BAO data gives a value of $H_0$ higher than in $\\Lambda$CDM, and in better agreement with the values obtained from local measurements.

Yves Dirian; Stefano Foffa; Martin Kunz; Michele Maggiore; Valeria Pettorino

2014-11-27T23:59:59.000Z

423

Margin on Gross Tumor Volume and Risk of Local Recurrence in Head-and-Neck Cancer  

SciTech Connect (OSTI)

Purpose: To determine whether the method or extent of construction of the high-dose clinical target volume (CTV) and high-dose planning target volume (PTV) in intensity-modulated radiation therapy (IMRT) for head-and-neck cancer are associated with an increased risk of locoregional failure. Materials and Methods: Patients with nasopharyngeal, oropharyngeal, oral cavity, hypopharyngeal, or laryngeal squamous cell carcinomas treated definitively with IMRT were included. All patients without local relapse had a minimum follow-up of 12 months. Median follow-up for all patients was 24 months. Treatment plans of 85 available patients were reviewed, and the gross tumor volume (GTV) to PTV expansion method was estimated. Results: The GTVs were expanded volumetrically in 71 of 85 patients, by a median of 15 mm (range, 4-25 mm). An anatomic component to the expansion of GTV was used in 14 of 85 patients. Eighteen patients failed locoregionally, for an actuarial locoregional control rate of 77.2% at 2 years. There was no significant difference in locoregional control between patients with GTVs expanded volumetrically vs. those with a component of anatomic expansion. In patients with GTVs expanded volumetrically, no increase in risk of local failure was seen in patients with a total GTV expansion of <=15 mm. Conclusion: In this retrospective study, there was not an increased risk of local failure using smaller margins or expanding GTVs volumetrically when treating head-and-neck cancer patients definitively with IMRT.

Caudell, Jimmy J.; Meredith, Ruby F.; Spencer, Sharon A.; Keene, Kimberley S.; Dobelbower, M. Christian [Department of Radiation Oncology, University of Alabama-Birmingham, Birmingham, AL (United States); Bonner, James A., E-mail: jabonner@uabmc.ed [Department of Radiation Oncology, University of Alabama-Birmingham, Birmingham, AL (United States)

2010-01-15T23:59:59.000Z

424

Improved Beta-Protein Structure Prediction by Multilevel Optimization of NonLocal Strand Pairings and Local  

E-Print Network [OSTI]

using backbone torsion-space moves. An iterative, energy-biased resampling strategy is used to exploreImproved Beta-Protein Structure Prediction by Multilevel Optimization of NonLocal Strand Pairings and Local Backbone Conformation Philip Bradley and David Baker* University of Washington, Seattle

Baker, David

425

Duopoly Interaction and Expected Price for Local Access Running Heading: Duopoly Interaction and Expected Price for Local Access  

E-Print Network [OSTI]

1 Duopoly Interaction and Expected Price for Local Access Running Heading: Duopoly Interaction and Expected Price for Local Access Judith A. Molka-Danielsen Department of Informatics Molde College P.O. Box. Competition brings pricing flexibility, so that one could expect implicit subsidies, like geographic averaging

426

SUMBMISSION TO TPAMI: OOI EXTRACTION BY LOCAL-GLOBAL ENERGY MINIMIZATION 1 Iterative local-global energy minimization for  

E-Print Network [OSTI]

SUMBMISSION TO TPAMI: OOI EXTRACTION BY LOCAL-GLOBAL ENERGY MINIMIZATION 1 Iterative local-global energy minimization for automatic extraction of object of interest Gang Hua, Member, IEEE, Zicheng Liu are with the Department of Electrical Engineering and Computer Science, Northwest- ern University, 2145 Sheridan Road

Wu, Ying

427

CAMAC SOFTWARE FOR TJ-I AND TJ-IU  

E-Print Network [OSTI]

in a single CAMAC data file. These data files are stored temporarily on the local VAX 4000 ('FUEXP1') and transferred automatically each evening at 20:00 h to the central VAX ('CIEVX1'). The data are available

van Milligen, Boudewijn

428

Identifying overlapping communities in social networks using multi-scale local information expansion  

E-Print Network [OSTI]

Most existing approaches for community detection require complete information of the graph in a specific scale, which is impractical for many social networks. We propose a novel algorithm that does not embrace the universal approach but instead of trying to focus on local social ties and modeling multi-scales of social interactions occurring in those networks. Our method for the first time optimizes the topological entropy of a network and uncovers communities through a novel dynamic system converging to a local minimum by simply updating the membership vector with very low computational complexity. It naturally supports overlapping communities through associating each node with a membership vector which describes node's involvement in each community. This way, in addition to uncover overlapping communities, we can also describe different multi-scale partitions by tuning the characteristic size of modules from the optimal partition. Because of the high efficiency and accuracy of the algorithm, it is feasible ...

Li, Hui-Jia; Liu, Zhi-Ping; Chen, Luonan; Zhang, Xiang-Sun

2015-01-01T23:59:59.000Z

429

On the power of non-local boxes  

E-Print Network [OSTI]

A non-local box is a virtual device that has the following property: given that Alice inputs a bit at her end of the device and that Bob does likewise, it produces two bits, one at Alice's end and one at Bob's end, such that the XOR of the outputs is equal to the AND of the inputs. This box, inspired from the CHSH inequality, was first proposed by Popescu and Rohrlich to examine the question: given that a maximally entangled pair of qubits is non-local, why is it not maximally non-local? We believe that understanding the power of this box will yield insight into the non-locality of quantum mechanics. It was shown recently by Cerf, Gisin, Massar and Popescu, that this imaginary device is able to simulate correlations from any measurement on a singlet state. Here, we show that the non-local box can in fact do much more: through the simulation of the magic square pseudo-telepathy game and the Mermin-GHZ pseudo-telepathy game, we show that the non-local box can simulate quantum correlations that no entangled pair of qubits can in a bipartite scenario and even in a multi-party scenario. Finally we show that a single non-local box cannot simulate all quantum correlations and propose a generalization for a multi-party non-local box. In particular, we show quantum correlations whose simulation requires an exponential amount of non-local boxes, in the number of maximally entangled qubit pairs.

A. Broadbent; A. A. Methot

2005-11-07T23:59:59.000Z

430

Massive stars: Feedback effects in the local universe  

E-Print Network [OSTI]

We examine self-consistent parameterizations of the high-mass stellar population and resulting feedback, including mechanical, radiative, and chemical feedback, as we understand them locally. To date, it appears that the massive star population follows simple power-law clustering that extends down to individual field OB stars, and the robust stellar IMF seems to have a constant upper-mass limit. These properties result in specific patterns in the HII region LF and ionization of the diffuse, warm ionized medium. The resulting SNe generate superbubbles whose size distribution is also described by a simple power law, and from which a galaxy's porosity parameter is easily derived. A critical star-formation threshold can then be estimated, above which the escape of Lyman continuum photons, hot gas, and nucleosynthetic products is predicted. A first comparison with a large H-alpha sample of galaxies is broadly consistent with this prediction, and suggests that ionizing photons likely escapes from starburst galaxies. The superbubble size distribution also offers a basis for a Simple Inhomogeneous Model for galactic chemical evolution, which is especially relevant to metal-poor systems and instantaneous metallicity distributions. This model offers an alternative interpretation of the Galactic halo metallicity distribution and emphasizes the relative importance of star-formation intensity, in addition to age, in a system's evolution. The fraction of zero-metallicity, Population III stars is easily predicted for any such model. We emphasize that all these phenomena can be modeled in a simple, analytic framework over an extreme range in scale, offering powerful tools for understanding the role of massive stars in the cosmos. (Abridged)

M. S. Oey; C. J. Clarke

2007-03-02T23:59:59.000Z

431

ACTIVATION OF A PEPTIDERGIC SYNAPSE LOCALLY MODULATES POSTSYNAPTIC CALCIUM INFLUX  

E-Print Network [OSTI]

We examined the synaptic connection between Phe-Met-Arg-Phe-NH2 (FMRFamide)-immunoreactive neurone VD4 and its target neurone PI, both found in the central nervous system of the pond snail Helisoma trivolvis. The major FMRFamide-like peak in neurone VD4 appears to be FMRFamide itself, based on its high performance liquid chromatography (HPLC) elution time and immunoreactivity before and after oxidation, but small peaks are also present at the elution times of Phe-Leu-Arg-Phe-NH2 (FLRFamide) and Gly-Asp-Pro-Phe-Leu-Arg-Phe-NH2 (GDPFLRFamide). The modulatory actions of the neuropeptides found in neurone VD4 were tested on the postsynaptic target cell PI. Bath application of both the tetrapep-tides FMRFamide and FLRFamide at a concentration of 10~5 mol I"1 reduced the macroscopic voltage-sensitive calcium current of neurone PI in culture; FMRF-amide by 45 % and FLRFamide by 51 %. Bath application of the heptapeptide GDPFLRFamide (10~5 mol \\~l) reduced the calcium current by only 8 %. We reconstructed the synaptic connection between VD4 and PI in culture. Action-potential-evoked calcium transients in neurites growing from PI cells in culture were monitored using Fura-2. Addition of FMRFamide, FLRFamide or GDPFLRFamide reduced the magnitude of the calcium transient in PI. Stimu-lation of VD4 mimicked the effects of peptide application and caused localized reductions in the action-potential-evoked calcium transients in PI at the points of contact between the neurites of neurones VD4 and PI. These results suggest that neurone VD4 modulates the calcium influx of neurone PI through the release of endogenous FMRFamide-related peptides and that this modulatory action is restricted to sites of synaptic interaction.

J. E. Richmond; L. R. Funte; W. L. Smith; D. A. Price; P. G. Haydon

1991-01-01T23:59:59.000Z

432

Anderson localization in optical lattices with speckle disorder  

SciTech Connect (OSTI)

We study the localization properties of noninteracting waves propagating in a speckle-like potential superposed on a one-dimensional lattice. Using a combined decimation-renormalization procedure, we estimate the localization length for a tight-binding Hamiltonian where site energies are square-sinc-correlated random variables. By decreasing the width of the correlation function, the disorder patterns approach a {delta}-correlated disorder, and the localization length becomes almost energy independent in the strong disorder limit. We show that this regime can be reached for a size of the speckle grains on the order of (lower than) four lattice steps.

Sucu, Serpil; Aktas, Saban; Okan, S. Erol [Department of Physics, Trakya University, 22030 Edirne (Turkey); Akdeniz, Zehra [Piri Reis University, 34940 Tuzla-Istanbul (Turkey); Vignolo, Patrizia [Universite de Nice-Sophia Antipolis, Institut non Lineaire de Nice, CNRS, 1361 route des Lucioles, F-06560 Valbonne (France)

2011-12-15T23:59:59.000Z

433

Bell-type inequalities for non-local resources  

E-Print Network [OSTI]

We present bipartite Bell-type inequalities which allow the two partners to use some non-local resource. Such inequality can only be violated if the parties use a resource which is more non-local than the one permitted by the inequality. We introduce a family of N-inputs non-local machines, which are generalizations of the well-known PR-box. Then we construct Bell-type inequalities that cannot be violated by strategies that use one these new machines. Finally we discuss implications for the simulation of quantum states.

Nicolas Brunner; Valerio Scarani; Nicolas Gisin

2006-03-10T23:59:59.000Z

434

Status of the Local Enforcement of Energy Efficiency Standards and Labeling Program in China  

SciTech Connect (OSTI)

As part of its commitment to promoting and improving the local enforcement of appliance energy efficiency standards and labeling, the China National Institute of Standardization (CNIS) launched the National and Local Enforcement of Energy Efficiency Standards and Labeling project on August 14, 2009. The project’s short-term goal is to expand the effort to improve enforcement of standards and labeling requirements to the entire country within three years, with a long-term goal of perfecting overall enforcement. For this project, Jiangsu, Shandong, Sichuan and Shanghai were selected as pilot locations. This report provides information on the local enforcement project’s recent background, activities and results as well as comparison to previous rounds of check-testing in 2006 and 2007. In addition, the report also offers evaluation on the achievement and weaknesses in the local enforcement scheme and recommendations. The results demonstrate both improvement and some backsliding. Enforcement schemes are in place in all target cities and applicable national standards and regulations were followed as the basis for local check testing. Check testing results show in general high labeling compliance across regions with 100% compliance for five products, including full compliance for all three products tested in Jiangsu province and two out of three products tested in Shandong province. Program results also identified key weaknesses in labeling compliance in Sichuan as well as in the efficiency standards compliance levels for small and medium three-phase asynchronous motors and self-ballasted fluorescent lamps. For example, compliance for the same product ranged from as low as 40% to 100% with mixed results for products that had been tested in previous rounds. For refrigerators, in particular, the efficiency standards compliance rate exhibited a wider range of 50% to 100%, and the average rate across all tested models also dropped from 96% in 2007 to 63%, possibly due to the implementation of newly strengthened efficiency standards in 2009. Areas for improvement include: Greater awareness at the local level to ensure that all manufacturers register their products with the label certification project and to minimize their resistance to inspections; improvement of the product sampling methodology to include representative testing of both large and small manufacturers and greater standardization of testing tools and procedures; and continued improvement in local enforcement efforts.

Zhou, Nan; Zheng, Nina; Fino-Chen, Cecilia; Fridley, David; Ning, Cao

2011-09-26T23:59:59.000Z

435

High Performance Computing  

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

High Performance Computing High Performance Computing Providing world-class high performance computing capability that enables unsurpassed solutions to complex problems of...

436

High Temperatures & Electricity Demand  

E-Print Network [OSTI]

High Temperatures & Electricity Demand An Assessment of Supply Adequacy in California Trends.......................................................................................................1 HIGH TEMPERATURES AND ELECTRICITY DEMAND.....................................................................................................................7 SECTION I: HIGH TEMPERATURES AND ELECTRICITY DEMAND ..........................9 BACKGROUND

437

The localization of instrumental learning within the spinal cord  

E-Print Network [OSTI]

Spinal neurons of surgically transected rats can support a simple form of instrumental learning. Rats learn to maintain leg flexion as a response to shock. The present experiments localized the region of the spinal cord that mediates this learning...

Liu, Grace Alexandra Tsu-Chi

2013-02-22T23:59:59.000Z

438

Response of Soviet VVER-440 accident localization systems to overpressurization  

SciTech Connect (OSTI)

The Soviet designed VVER-440 model V230 and VVER-440 model V213 reactors do not use full containments to mitigate the effects of accidents. Instead, these VVER-440 units employ a sealed set of interconnected compartments, collectively called the accident localization system (ALS), to reduce the release of radionuclides to the atmosphere during accidents. Descriptions of the VVER accident localization structures may be found in the report DOE NE-0084. The objective of this paper is to evaluate the structural integrity of the VVER-440 ALS at the Soviet design pressure, and to determine their response to pressure loadings beyond the design value. Complex, three-dimensional, nonlinear, finite element models were developed to represent the major structural components of the localization systems of the VVER-440 models V230 and V213. The interior boundary of the localization system was incrementally pressurized in the calculations until the prediction of gross failure. 6 refs., 9 figs.

Kulak, R.F.; Fiala, C.; Sienicki, J.J.

1989-01-01T23:59:59.000Z

439

Local aspects of disentanglement induced by spontaneous emission  

E-Print Network [OSTI]

We consider spontaneous emission of two two-level atoms interacting with vacuum fluctuations. We study the process of disentanglement in this system and show the possibility of changing disentanglement time by local operations.

Anna Jamroz

2006-02-16T23:59:59.000Z

440

Preparing for Hurricane Irene: Follow Local Direction | Department...  

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

Local Direction August 25, 2011 - 5:24pm Addthis Coastal watcheswarnings and 5-day forecast cone for storm center of Hurricane Irene, updated on Thursday, Aug. 25, 2011 at 5:00...

Note: This page contains sample records for the topic "temporarily high local" 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

Down to the Meter: Localized Vehicle Pollution Matters  

E-Print Network [OSTI]

Near-Roadway Vehicle Pollution,” American Journal of Publicfor Vehicle-Related Air Pollution Exposure in Minority andMeter: Localized Vehicle Pollution Matters B Y D O U G L A S

Houston, Douglas; Wu, Jun; Ong, Paul; Winer, Arthur

2006-01-01T23:59:59.000Z

442

Local Option- Property Tax Assessment for Energy Efficient Buildings  

Broader source: Energy.gov [DOE]

In March 2008, Virginia enacted legislation that would allow local jurisdictions to assess the property tax of energy efficient buildings at a reduced rate. Under this law, eligible energy...

443

Quantifying Locality in the Memory Access Patterns of HPCApplications  

SciTech Connect (OSTI)

Several benchmarks for measuring memory performance of HPC systems along dimensions of spatial and temporal memory locality have recently been proposed. However, little is understood about the relationships of these benchmarks to real applications and to each other. In this paper, we propose a methodology for producing architecture-neutral characterizations of the spatial and temporal locality exhibited by the memory access patterns of applications. We demonstrate that the results track intuitive notions of spatial and temporal locality on several synthetic and application benchmarks. We employ the methodology to analyze the memory performance components of the HPC Challenge Benchmarks, the Apex-MAP benchmark, and their relationships to each other and other benchmarks and applications. We show that this analysis can be used to both increase understanding of the benchmarks and enhance their usefulness by mapping them, along with applications, to a 2-D space along axes of spatial and temporal locality.

Weinberg, Jonathan; Snavely, Allan; McCracken, Michael O.; Strohmaier, Erich

2005-07-25T23:59:59.000Z

444

Local Power Empowers: CHP and District Energy (Text Version)...  

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

technical assistance program presentation. Today we're going to talk about the combined heat and power and district energy possibilities for your local organization. What we're...

445

An uncertainty principle, Wegner estimates and localization near fluctuation boundaries  

E-Print Network [OSTI]

We prove a simple uncertainty principle and show that it can be applied to prove Wegner estimates near fluctuation boundaries. This gives new classes of models for which localization at low energies can be proven.

Anne Boutet de Monvel; Daniel Lenz; Peter Stollmann

2009-05-18T23:59:59.000Z

446

Topological Obstructions to Localization Results \\Lambda Radu V. Balan  

E-Print Network [OSTI]

Topological Obstructions to Localization Results \\Lambda Radu V. Balan Siemens Corporate Research: radu.balan@scr.siemens.com #12; The proof shows, as an intermediary result, the Zak transform of g

Balan, Radu V.

447

A Bayesian Approach to Empirical Local Linearization For Robotics   

E-Print Network [OSTI]

Local linearizations are ubiquitous in the control of robotic systems. Analytical methods, if available, can be used to obtain the linearization, but in complex robotics systems where the dynamics and kinematics are ...

Ting, Jo-Anne; D'Souza, Aaron; Vijayakumar, Sethu; Schaal, Stefan

2008-01-01T23:59:59.000Z

448

Novel electrochemical method for monitoring and predicting localized corrosion.  

E-Print Network [OSTI]

??This PhD research project was conducted to develop new electrochemical methods for studying localized corrosion processes in various environment. An electrochemically integrated multi-electrode array, namely… (more)

Naing Naing Aung.

2008-01-01T23:59:59.000Z

449

Experimental bond critical point and local energy density properties...  

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

Mn-O, Fe-O and Co-O bonded interactions for Abstract: Bond critical point, bcp, and local energy density properties for the electron density, ED, distributions, calculated with...

450

Feature-based design of solids with local composition control  

E-Print Network [OSTI]

This thesis presents a parametric and feature-based methodology for the design of solids with local composition control (LCC). A suite of composition design features are conceptualized and implemented. The designer can use ...

Liu, Hongye, 1970-

2004-01-01T23:59:59.000Z

451

Local computation algorithms for graphs of non-constant degrees  

E-Print Network [OSTI]

In the model of local computation algorithms (LCAs), we aim to compute the queried part of the output by examining only a small (sublinear) portion of the input. Many recently developed LCAs on graph problems achieve time ...

Yodpinyanee, Anak

2014-01-01T23:59:59.000Z

452

SOFTWARE LOCALIZATION: NOTES ON TECHNOLOGY AND CULTURE Kenneth Keniston  

E-Print Network [OSTI]

, Technology, and Society at the Massachusetts Institute of Technology. Copyright 1997, Kenneth Keniston. DRAFT in Science, Technology, and Society Massachusetts Institute of Technology Cambridge, Massachusetts 02139SOFTWARE LOCALIZATION: NOTES ON TECHNOLOGY AND CULTURE Kenneth Keniston Kenneth Keniston is Andrew

Keniston, Kenneth

453

A Fast Local Search Approach For Multiobjective problems  

E-Print Network [OSTI]

electric car-sharing service with a car manufacturer partner. Compared to the Multiobjective Pareto Local - Transporta- tion services - Car-sharing 1 Introduction Many real world problems require to optimize several

Paris-Sud XI, Université de

454

Spatially localized generation of nucleotide sequence-specific DNA damage  

E-Print Network [OSTI]

Spatially localized generation of nucleotide sequence-specific DNA damage Dennis H. Oh* , Brett A- neously manipulated at the nucleotide level and in three dimen- sions. This approach for targeting

Boxer, Steven G.

455

Local cloning of Bell states and distillable entanglement  

E-Print Network [OSTI]

The necessary and sufficient amount of entanglement required for cloning of orthogonal Bell states by local operation and classical communication is derived, and using this result, we provide here some additional examples of reversible, as well as irreversible states.

Sibasish Ghosh; Guruprasad Kar; Anirban Roy

2004-05-21T23:59:59.000Z

456

3D-Printed Car by Local Motors- The Strati  

Broader source: Energy.gov [DOE]

A timelapse video of the production process behind The Strati - the 3D-printed car by Local Motors, which manufactured with Oak Ridge National Laboratory (ORNL) and delivered at the International Manufacturing Technology Show (IMTS) in September of 2014.

457

Impact load mitigation in sandwich beams using local resonators  

E-Print Network [OSTI]

Dynamic response of sandwich beams with resonators embedded in the cores subjected to impact loads is studied. Using finite element models the effectiveness of various local resonator frequencies under a given impact load is compared to the behavior of an equivalent mass beam. It is shown that addition of appropriately chosen local resonators into the sandwich beam is an effective method of improving its flexural bending behavior under impact loads. The effect of a given local resonance frequency under different impact load durations is also studied. It is demonstrated that the choice of appropriate local resonance frequency depends on the impact duration. Further, by performing transverse impact experiments, the finite element models are verified and the advantage of using internal resonators under impact loading conditions is demonstrated.

Sharma, B

2015-01-01T23:59:59.000Z

458

Geothermal policy development program: expediting the local geothermal permitting process  

SciTech Connect (OSTI)

For a number of years, concerns have been raised about the length of time and the complexity involved in obtaining required permits in order to develop the geothermal resource at the Geysers. Perhaps the most important factor is jurisdiction. At the Geysers, all three levels of government - local, state, and federal - exercise significant authority over various aspects of geothermal development. In addition, several agencies within each governmental level play an active role in the permitting process. The present study is concerned primarily with the local permitting process, and the ways in which this process could be expedited. This report begins by looking at the local role in the overall permitting process, and then reviews the findings and conclusions that have been reached in other studies of the problem. This is followed by a case study evaluation of recent permitting experience in the four Geysers-Calistoga KGRA counties, and the report concludes by outlining several approaches to expediting the local permitting process.

Not Available

1981-07-01T23:59:59.000Z

459

adiabatic shear localization: Topics by E-print Network  

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

13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Adiabatic optimization without local minima Quantum Physics (arXiv) Summary: Several previous works have...

460

adiabatic localized shift: Topics by E-print Network  

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

13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Adiabatic optimization without local minima Quantum Physics (arXiv) Summary: Several previous works have...

Note: This page contains sample records for the topic "temporarily high local" 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

ADJOINTS OF IDEALS IN REGULAR LOCAL RINGS Joseph ...  

E-Print Network [OSTI]

that if I is generated by l elements then In+l?1 ? In (n > 0), where “ ” stands for ..... localization S := R[t]mR[t], and I := IS, we reduce to the case where R/m.

1910-30-30T23:59:59.000Z

462

Using Local Information for Compositing CG Into Traditional Art  

E-Print Network [OSTI]

I describe a procedure for compositing digital graphics into traditional artwork based on local characteristics of the art. This is based on understanding that variations in pictorial characteristics such as perspective, lighting and color, or style...

Kiker, Jonathan

2010-01-16T23:59:59.000Z

463

Out of control? : local democracy failure and fiscal control boards  

E-Print Network [OSTI]

The nation's current recession has strained the finances of local governments such that many cities with already delicate budgets have plunged into fiscal crisis. This dissertation examines three causes of fiscal crisis - ...

Kobes, Deborah Isadora

2009-01-01T23:59:59.000Z

464

The design and synthesis of nuclear localization signal (NLS) mimics  

E-Print Network [OSTI]

Nuclear import of proteins is a carefully controlled process that is critical for cellular function and regulation. A protein is marked for nuclear entry by a nuclear localization signal (NLS), a peptide motif, which typically consists of one or two...

Ho, Thai Huu

2013-02-22T23:59:59.000Z

465

A BIFURCATION RESULT FOR NON-LOCAL FRACTIONAL EQUATIONS  

E-Print Network [OSTI]

, minimal surfaces, materials science and water waves. This is one of the reason why, recently, non studied non-local fractional Laplacian equations with superlinear and subcritical or critical

466

Development of a robot localization and environment mapping system  

E-Print Network [OSTI]

The intent of this research is to develop a robust, efficient, self-contained localization module for use in a robotic liquefied petroleum gas (LPG) tank inspection system. Inspecting large LPG tanks for defects is difficult, ...

Panas, Cynthia Dawn Walker

2012-01-01T23:59:59.000Z

467

Collaborative multi-vehicle localization and mapping in marine environments  

E-Print Network [OSTI]

This paper explains an application scenario of collaborative multi-vehicle simultaneous localization and mapping algorithm (CSLAM) in a marine environment using autonomous surface crafts (ASCs) in order to validate its ...

Dong, J. F.

468

The localization of mTORC1 signaling  

E-Print Network [OSTI]

Cells sense and respond to their environment by maintaining appropriate activity levels and localizations of key signaling proteins. In eukaryotic cells, cell size is increasingly appreciated as being coordinated by the ...

Peterson, Timothy Richard, Ph.D. Massachusetts Institute of Technology

2010-01-01T23:59:59.000Z

469

Sound localization and interaural time sensitivity with bilateral cochlear implants  

E-Print Network [OSTI]

Bilateral cochlear implantation is becoming more common as clinicians attempt to provide better sound-source localization and speech reception in noise for cochlear implant (CI) users. While some improvement over the ...

Poon, Becky Bikkei

2006-01-01T23:59:59.000Z

470

The Local Economic Impact Wanganui Blooming Artz Festival  

E-Print Network [OSTI]

, and provide a tool which can be refined for future use. A good response rate to the survey was received from spending in the local economy, while a fur

471

Persistent Nodes for Reliable Memory in Geographically Local Networks  

E-Print Network [OSTI]

A Persistent Node is a redundant distributed mechanism for storing a key/value pair reliably in a geographically local network. In this paper, I develop a method of establishing Persistent Nodes in an amorphous matrix. I ...

Beal, Jacob

2003-04-15T23:59:59.000Z

472

Environmental and Community Awareness: A Local Foods Profile   

E-Print Network [OSTI]

Consumption in a global industrial economy has been linked to both environmental damage and community erosion. The local food movement has been shown to provide a catalyst to community building as well as increased agricultural sustainability. Given...

Hummer, Sara

2010-11-26T23:59:59.000Z

473

Optical manipulation of intrinsic localized vibrational energy in cantilever arrays  

E-Print Network [OSTI]

Optically-induced real-time impurity modes are used to shepherd intrinsic localized vibrational modes (discrete breathers) along micromechanical arrays via either attractive or replulsive interactions. Adding an electrode to the cantilever array provides control of the sign of lattice anharmonicity, hence allowing both hard and soft nonlinearities to be studied. A number of dynamical effects are demonstrated and explained, including the optical tweezing of localized vibrational energy in a nonlinear lattice.

M. Sato; B. E. Hubbard; A. J. Sievers; B. Ilic; H. G. Craighead

2004-03-16T23:59:59.000Z

474

REPRSENTATIONS LOCALEMENT ANALYTIQUES DE GL3(Qp) Benjamin Schraen  

E-Print Network [OSTI]

REPR�SENTATIONS LOCALEMENT ANALYTIQUES DE GL3(Qp) par Benjamin Schraen Résumé. -- Nous construisons un complexe de représentations localement analytiques de GL3(Qp), associé à certaines représentations catégorie dérivée des D(GL3(Qp))-modules, de ce complexe dans le complexe de de Rham de l'espace de Drinfel

Paris-Sud XI, Université de

475

Non-local gravitational effective action and particle production  

E-Print Network [OSTI]

We study the effective action for gravity obtained after the integration of scalar matter fields, using the local momentum representation based on the Riemann normal coordinates expansion. By considering this expansion around different space-time points, we also compute the non-local terms together with the more usual divergent ones. We discuss the applicability of our results to the calculation of particle production rates in cosmological backgrounds and compare this method with the traditional Bogolyubov transformations.

A. Dobado; A. L. Maroto

1998-05-26T23:59:59.000Z

476

Methodology for extracting local constants from petroleum cracking flows  

DOE Patents [OSTI]

A methodology provides for the extraction of local chemical kinetic model constants for use in a reacting flow computational fluid dynamics (CFD) computer code with chemical kinetic computations to optimize the operating conditions or design of the system, including retrofit design improvements to existing systems. The coupled CFD and kinetic computer code are used in combination with data obtained from a matrix of experimental tests to extract the kinetic constants. Local fluid dynamic effects are implicitly included in the extracted local kinetic constants for each particular application system to which the methodology is applied. The extracted local kinetic model constants work well over a fairly broad range of operating conditions for specific and complex reaction sets in specific and complex reactor systems. While disclosed in terms of use in a Fluid Catalytic Cracking (FCC) riser, the inventive methodology has application in virtually any reaction set to extract constants for any particular application and reaction set formulation. The methodology includes the step of: (1) selecting the test data sets for various conditions; (2) establishing the general trend of the parametric effect on the measured product yields; (3) calculating product yields for the selected test conditions using coupled computational fluid dynamics and chemical kinetics; (4) adjusting the local kinetic constants to match calculated product yields with experimental data; and (5) validating the determined set of local kinetic constants by comparing the calculated results with experimental data from additional test runs at different operating conditions.

Chang, Shen-Lin (Woodridge, IL); Lottes, Steven A. (Naperville, IL); Zhou, Chenn Q. (Munster, IN)

2000-01-01T23:59:59.000Z

477

Frustrated phase separation and high temperature superconductivity  

SciTech Connect (OSTI)

A dilute system of neutral holes in an antiferromagnet separates into a hole-rich and a hole-poor phase. The phase separation is frustrated by long-range Coulomb interactions but, provided the dielectric constant is sufficiently large, there remain large-amplitude low-energy fluctuations in the hole density at intermediate length scales. The extensive experimental evidence showing that this behavior giver, a reasonable picture of high temperature superconductors is surveyed. Further, it is shown that the scattering of mobile holes from the local density fluctuations may account for the anomalous normal-state properties of high temperature superconductors and also provide the mechanism of pairing.

Emery, V.J. [Brookhaven National Lab., Upton, NY (United States); Kivelson, S.A. [California Univ., Los Angeles, CA (United States). Dept. of Physics

1992-09-01T23:59:59.000Z

478

Frustrated phase separation and high temperature superconductivity  

SciTech Connect (OSTI)

A dilute system of neutral holes in an antiferromagnet separates into a hole-rich and a hole-poor phase. The phase separation is frustrated by long-range Coulomb interactions but, provided the dielectric constant is sufficiently large, there remain large-amplitude low-energy fluctuations in the hole density at intermediate length scales. The extensive experimental evidence showing that this behavior giver, a reasonable picture of high temperature superconductors is surveyed. Further, it is shown that the scattering of mobile holes from the local density fluctuations may account for the anomalous normal-state properties of high temperature superconductors and also provide the mechanism of pairing.

Emery, V.J. (Brookhaven National Lab., Upton, NY (United States)); Kivelson, S.A. (California Univ., Los Angeles, CA (United States). Dept. of Physics)

1992-01-01T23:59:59.000Z

479

Discovery of Localized Regions of Excess 10-TeV Cosmic Rays  

E-Print Network [OSTI]

An analysis of 7 years of Milagro data performed on a 10-degree angular scale has found two localized regions of excess of unknown origin with greater than 12 sigma significance. Both regions are inconsistent with gamma-ray emission with high confidence. One of the regions has a different energy spectrum than the isotropic cosmic-ray flux at a level of 4.6 sigma, and it is consistent with hard spectrum protons with an exponential cutoff, with the most significant excess at ~10 TeV. Potential causes of these excesses are explored, but no compelling explanations are found.

A. A. Abdo; B. Allen; T. Aune; D. Berley; E. Blaufuss; S. Casanova; C. Chen; B. L. Dingus; R. W. Ellsworth; L. Fleysher; R. Fleysher; M. M. Gonzales; J. A. Goodman; C. M. Hoffman; P. H. Hüntemeyer; B. E. Kolterman; C. P. Lansdell; J. T. Linnemann; J. E. McEnery; A. I. Mincer; P. Nemethy; D. Noyes; J. Pretz; J. M. Ryan; P. M. Saz Parkinson; A. Shoup; G. Sinnis; A. J. Smith; G. W. Sullivan; V. Vasileiou; G. P. Walker; D. A. Williams; G. B. Yodh

2008-10-14T23:59:59.000Z

480

Josephson scanning tunneling microscopy -- a local and direct probe of the superconducting order parameter  

SciTech Connect (OSTI)

Direct measurements of the superconducting superfluid on the surface of vacuum-cleaved Bi2Sr2CaCu2O8+delta (BSCCO) samples are reported. These measurements are accomplished via Josephson tunneling into the sample using a novel scanning tunneling microscope (STM) equipped with a superconducting tip. The spatial resolution of the STM of lateral distances less than the superconducting coherence length allows it to reveal local inhomogeneities in the pair wavefunction of the BSCCO. Instrument performance is demonstrated first with Josephson measurements of Pb films followed by the layered superconductor NbSe2. The relevant measurement parameter, the Josephson ICRN product, is discussed within the context of both BCS superconductors and the high transition temperature superconductors. The local relationship between the ICRN product and the quasiparticle density of states (DOS) gap are presented within the context of phase diagrams for BSCCO. Excessive current densities can be produced with these measurements and have been found to alter the local DOS in the BSCCO. Systematic studies of this effect were performed to determine the practical measurement limits for these experiments. Alternative methods for preparation of the BSCCO surface are also discussed.

Kimura, Hikari; Dynes, Robert; Barber Jr., Richard. P.; Ono, S.; Ando, Y.

2009-09-01T23:59:59.000Z

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481

Voids in the Local Volume: a limit on appearance of a galaxy in a DM halo  

E-Print Network [OSTI]

Current explanation of the overabundance of dark matter subhalos in the Local Group (LG) indicates that there maybe a limit on mass of a halo, which can host a galaxy. This idea can be tested using voids in the distribution of galaxies: at some level small voids should not contain any (even dwarf) galaxies. We use observational samples complete to M_B = -12 with distances less than 8 Mpc to construct the void function (VF): the distribution of sizes of voids empty of any galaxies. There are ~30 voids with sizes ranging from 1 to 5 Mpc. We then study the distribution of dark matter halos in very high resolution simulations of the LCDM model. The theoretical VF matches the observations remarkably well only if we use halos with circular velocities larger than 45 +/- 10 km/s. This agrees with the Local Group predictions. There are smaller halos in the voids, but they should not produce any luminous matter. Small voids look quite similar to their giant cousins: the density has a minimum at the center of a void and it increases as we get closer to the border. Small nonluminous halos inside the void form a web of tiny filaments. Thus, both the Local Group data and the nearby voids indicate that isolated halos below 45 +/- 10 km/s must not host galaxies and that small (few Mpc) voids are truly dark.

Anton V. Tikhonov; Anatoly A. Klypin

2007-07-24T23:59:59.000Z

482

Novel localization of OCTN1, an organic cation/carnitine transporter, to mammalian mitochondria  

SciTech Connect (OSTI)

Carnitine is a zwitterion essential for the {beta}-oxidation of fatty acids. We report novel localization of the organic cation/carnitine transporter, OCTN1, to mitochondria. We made GFP- and RFP-human OCTN1 cDNA constructs and showed expression of hOCTN1 in several transfected mammalian cell lines. Immunostaining of GFP-hOCTN1 transfected cells with different intracellular markers and confocal fluorescent microscopy demonstrated mitochondrial expression of OCTN1. There was striking co-localization of an RFP-hOCTN1 fusion protein and a mitochondrial-GFP marker construct in transfected MEF-3T3 and no co-localization of GFP-hOCTN1 in transfected human skin fibroblasts with other intracellular markers. L-[{sup 3}H]Carnitine uptake in freshly isolated mitochondria of GFP-hOCTN1 transfected HepG2 demonstrated a K {sub m} of 422 {mu}M and Western blot with an anti-GFP antibody identified the expected GFP-hOCTN1 fusion protein (90 kDa). We showed endogenous expression of native OCTN1 in HepG2 mitochondria with anti-GST-hOCTN1 antibody. Further, we definitively confirmed intact L-[{sup 3}H]carnitine uptake (K {sub m} 1324 {mu}M), solely attributable to OCTN1, in isolated mitochondria of mutant human skin fibroblasts having <1% of carnitine acylcarnitine translocase activity (alternate mitochondrial carnitine transporter). This mitochondrial localization was confirmed by TEM of murine heart incubated with highly specific rabbit anti-GST-hOCTN1 antibody and immunogold labeled goat anti-rabbit antibody. This suggests an important yet different role for OCTN1 from other OCTN family members in intracellular carnitine homeostasis.

Lamhonwah, Anne-Marie [Division of Neurology, Department of Pediatrics, Hospital for Sick Children and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ont., M5G 1X8 (Canada); Tein, Ingrid [Division of Neurology, Department of Pediatrics, Hospital for Sick Children and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ont., M5G 1X8 (Canada)]. E-mail: ingrid.tein@sickkids.ca

2006-07-14T23:59:59.000Z

483

Solvation of molecules in superfluid helium enhances the “interaction induced localization” effect  

SciTech Connect (OSTI)

Atomic nuclei become delocalized at low temperatures as a result of quantum effects, whereas they are point-like in the high temperature (classical) limit. For non-interacting nuclei, the delocalization upon lowering the temperature is quantitatively described in terms of the thermal de Broglie wavelength of free particles. Clearly, light non-interacting nuclei – the proton being a prominent one – are much more delocalized at low temperatures compared to heavy nuclei, such as non-interacting oxygen having water in mind. However, strong interactions due to chemical bonding in conjunction with ultra-low temperatures characteristic to superfluid helium nanodroplets change this common picture substantially for nuclei in molecules or clusters. It turns out that protons shared in hydrogen bonds undergo an extreme “interaction induced localization” at temperatures on the order of 1 K, which compresses the protonic spatial distributions to the size of the much heavier donor or acceptor atoms, such as O or Cl nuclei, corresponding to about 0.1% of the volume occupied by a non-interacting proton at the same temperature. Moreover, applying our recently developed hybrid ab initio path integral molecular dynamics/bosonic path integral Monte Carlo quantum simulation technique to a HCl/water cluster, HCl(H{sub 2}O){sub 4}, we find that helium solvation has a significant additional localizing effect of up to about 30% in volume. In particular, the solvent-induced excess localization is the stronger the lesser the given nucleus is already localized in the gas phase reference situation.

Walewski, ?ukasz, E-mail: Lukasz.Walewski@theochem.rub.de; Forbert, Harald; Marx, Dominik [Lehrstuhl für Theoretische Chemie, Ruhr–Universität Bochum, 44780 Bochum (Germany)] [Lehrstuhl für Theoretische Chemie, Ruhr–Universität Bochum, 44780 Bochum (Germany)

2014-04-14T23:59:59.000Z

484

Local Heat Transfer for Finned-Tube Heat Exchangers using Oval Tubes  

SciTech Connect (OSTI)

This paper presents the results of an experimental study of forced convection heat transfer in a narrow rectangular duct fitted with either a circular tube or an elliptical tube in crossflow. The duct was designed to simulate a single passage in a fin-tube heat exchanger. Heat transfer measurements were obtained using a transient technique in which a heated airflow is suddenly introduced to the test section. High-resolution local fin-surface temperature distributions were obtained at several times after initiation of the transient using an imaging infrared camera. Corresponding local fin-surface heat transfer coefficient distributions were then calculated from a locally applied one-dimensional semi-infinite inverse heat conduction model. Heat transfer results were obtained over an airflow rate ranging from 1.56 x 10-3 to 15.6 x 10-3 kg/s. These flow rates correspond to a duct-height Reynolds number range of 630 – 6300 with a duct height of 1.106 cm and a duct width-toheight ratio, W/H, of 11.25. The test cylinder was sized such that the diameter-to-duct height ratio, D/H is 5. The elliptical tube had an aspect ratio of 3:1 and a/H equal to 4.33. Results presented in this paper reveal visual and quantitative details of local fin-surface heat transfer distributions in the vicinity of circular and oval tubes and their relationship to the complex horseshoe vortex system that forms in the flow stagnation region. Fin surface stagnation-region Nusselt numbers are shown to be proportional to the square-root of Reynolds number.

O'Brien, James Edward; Sohal, Manohar Singh

2000-08-01T23:59:59.000Z

485

Local and Global Casimir Energies for a Semitransparent Cylindrical Shell  

E-Print Network [OSTI]

The local Casimir energy density and the global Casimir energy for a massless scalar field associated with a $\\lambda\\delta$-function potential in a 3+1 dimensional circular cylindrical geometry are considered. The global energy is examined for both weak and strong coupling, the latter being the well-studied Dirichlet cylinder case. For weak-coupling,through $\\mathcal{O}(\\lambda^2)$, the total energy is shown to vanish by both analytic and numerical arguments, based both on Green's-function and zeta-function techniques. Divergences occurring in the calculation are shown to be absorbable by renormalization of physical parameters of the model. The global energy may be obtained by integrating the local energy density only when the latter is supplemented by an energy term residing precisely on the surface of the cylinder. The latter is identified as the integrated local energy density of the cylindrical shell when the latter is physically expanded to have finite thickness. Inside and outside the delta-function shell, the local energy density diverges as the surface of the shell is approached; the divergence is weakest when the conformal stress tensor is used to define the energy density. A real global divergence first occurs in $\\mathcal{O}(\\lambda^3)$, as anticipated, but the proof is supplied here for the first time; this divergence is entirely associated with the surface energy, and does {\\em not} reflect divergences in the local energy density as the surface is approached.

Ines Cavero-Pelaez; Kimball A. Milton; Klaus Kirsten

2006-09-07T23:59:59.000Z

486

A new construction for a QMA complete 3-local Hamiltonian  

E-Print Network [OSTI]

We present a new way of encoding a quantum computation into a 3-local Hamiltonian. Our construction is novel in that it does not include any terms that induce legal-illegal clock transitions. Therefore, the weights of the terms in the Hamiltonian do not scale with the size of the problem as in previous constructions. This improves the construction by Kempe and Regev, who were the first to prove that 3-local Hamiltonian is complete for the complexity class QMA, the quantum analogue of NP. Quantum k-SAT, a restricted version of the local Hamiltonian problem using only projector terms, was introduced by Bravyi as an analogue of the classical k-SAT problem. Bravyi proved that quantum 4-SAT is complete for the class QMA with one-sided error (QMA_1) and that quantum 2-SAT is in P. We give an encoding of a quantum circuit into a quantum 4-SAT Hamiltonian using only 3-local terms. As an intermediate step to this 3-local construction, we show that quantum 3-SAT for particles with dimensions 3x2x2 (a qutrit and two qubits) is QMA_1 complete. The complexity of quantum 3-SAT with qubits remains an open question.

Daniel Nagaj; Shay Mozes

2006-12-14T23:59:59.000Z

487

Site locality identification study: Hanford Site. Volume II. Data cataloging  

SciTech Connect (OSTI)

Data compilation and cataloging for the candidate site locality identification study were conducted in order to provide a retrievable data cataloging system for the present siting study and future site evaluation and licensng processes. This task occurred concurrently with and also independently of other tasks of the candidate site locality identification study. Work in this task provided the data utilized primarily in the development and application of screening and ranking processes to identify candidate site localities on the Hanford Site. The overall approach included two steps: (1) data acquisition and screening; and (2) data compilation and cataloging. Data acquisition and screening formed the basis for preliminary review of data sources with respect to their probable utilization in the candidate site locality identification study and review with respect to the level of completeness and detail of the data. The important working assumption was that the data to be used in the study be based on existing and available published and unpublished literature. The data compilation and cataloging provided the basic product of the Task; a retrievable data cataloging system in the form of an annotated reference list and key word index and an index of compiled data. The annotated reference list and key word index are cross referenced and can be used to trace and retrieve the data sources utilized in the candidate site locality identification study.

Not Available

1980-07-01T23:59:59.000Z

488

Dynamical mechanism for non-locality in dense granular flows  

E-Print Network [OSTI]

The dynamical mechanism at the origin of the non-local rheology of dense granular flows is investigated trough discrete element simulations. We show that the influence of a shear band on the mechanical behavior of a distant zone is contained in the spatial variations observed in the network of granular contacts. Using a micro-rheology technique, we establish that the exponential responses hence obtained, do not proof the validity of a mechanical activation process as previously suggested, but stem from the spatial relaxation of the shear rate as a direct consequence of a macroscopic non-local constitutive relation. Finally, by direct visualization of the local relaxation processes, we dismiss the kinetic elasto-plastic picture, where a flow is conceived as a quasi-static sequence of localized plastic events interacting through the stress field. We therefore conclude in favor of the jamming scenario, where geometrical constrains lead to coherent non-affine displacements along floppy modes, inherently non-local.

M. Bouzid; M. Trulsson; P. Claudin; E. Clement; B. Andreotti

2014-05-09T23:59:59.000Z

489

Local Renewable Energy Initiatives: The development of Lochem Energie (Netherlands) and  

E-Print Network [OSTI]

1 Local Renewable Energy Initiatives: The development of Lochem Energie provision. There are a number of local renewable energy initiatives that emerged from all over Europe typically face. Keywords: sustainability transitions, strategic niche management, local renewable energy

Vellekoop, Michel

490

Localization with Dive'N'Rise (DNR) Beacons for Underwater Acoustic Sensor Networks  

E-Print Network [OSTI]

Localization with Dive'N'Rise (DNR) Beacons for Underwater Acoustic Sensor Networks Melike Erol-Based Systems]: Underwater acoustic sensor networks - localization General Terms: Performance Keywords: Underwater sensor networks, localization, positioning, mobile beacon 1. INTRODUCTION Pollution monitoring

Zhou, Shengli

491

Strain localization and cyclic damage of polyurethane foam cylinders: experimental tests and theoretical model  

E-Print Network [OSTI]

Strain localization and cyclic damage of polyurethane foam cylinders: experimental tests subject to progressive damage. The chain of springs models the strain localization, and the second series qualitative agreement with the experiments. Keywords: polyurethane foams; strain localization; cyclic damage

Boyer, Edmond

492

ROAD MAP FOR DEVELOPMENT OF CRYSTAL-TOLERANT HIGH LEVEL WASTE GLASSES  

SciTech Connect (OSTI)

The U.S. Department of Energy (DOE) is building a Tank Waste Treatment and Immobilization Plant (WTP) at the Hanford Site in Washington to remediate 55 million gallons of radioactive waste that is being temporarily stored in 177 underground tanks. Efforts are being made to increase the loading of Hanford tank wastes in glass while meeting melter lifetime expectancies and process, regulatory, and product quality requirements. This road map guides the research and development for formulation and processing of crystaltolerant glasses, identifying near- and long-term activities that need to be completed over the period from 2014 to 2019. The primary objective is to maximize waste loading for Hanford waste glasses without jeopardizing melter operation by crystal accumulation in the melter or melter discharge riser. The potential applicability to the Savannah River Site (SRS) Defense Waste Processing Facility (DWPF) will also be addressed in this road map. The planned research described in this road map is motivated by the potential for substantial economic benefits (significant reductions in glass volumes) that will be realized if the current constraints (T1% for WTP and TL for DWPF) are approached in an appropriate and technically defensible manner for defense waste and current melter designs. The basis of this alternative approach is an empirical model predicting the crystal accumulation in the WTP glass discharge riser and melter bottom as a function of glass composition, time, and temperature. When coupled with an associated operating limit (e.g., the maximum tolerable thickness of an accumulated layer of crystals), this model could then be integrated into the process control algorithms to formulate crystal-tolerant high-level waste (HLW) glasses targeting high waste loadings while still meeting process related limits and melter lifetime expectancies. The modeling effort will be an iterative process, where model form and a broader range of conditions, e.g., glass composition and temperature, will evolve as additional data on crystal accumulation are gathered. Model validation steps will be included to guide the development process and ensure the value of the effort (i.e., increased waste loading and waste throughput). A summary of the stages of the road map for developing the crystal-tolerant glass approach, their estimated durations, and deliverables is provided.

Fox, K.; Peeler, D.; Herman, C.

2014-05-15T23:59:59.000Z

493

Localization of linked {sup 125}I seeds in postimplant TRUS images for prostate brachytherapy dosimetry  

SciTech Connect (OSTI)

Purpose: To demonstrate that {sup 125}I seeds can be localized in transrectal ultrasound (TRUS) images obtained with a high-resolution probe when the implant is performed with linked seeds and spacers. Adequate seed localization is essential to the implementation of TRUS-based intraoperative dosimetry for prostate brachytherapy. Methods and Materials: Thirteen preplanned peripherally loaded prostate implants were performed using {sup 125}I seeds and spacers linked together in linear arrays that prevent seed migration and maintain precise seed spacing. A set of two-dimensional transverse images spaced at 0.50-cm intervals were obtained with a high-resolution TRUS probe at the conclusion of the procedure with the patient still under anesthesia. The image set extended from 1.0 cm superior to the base to 1.0 cm inferior to the apex. The visible echoes along each needle track were first localized and then compared with the known construction of the implanted array. The first step was to define the distal and proximal ends of each array. The visible echoes were then identified as seeds or spacers from the known sequence of the array. The locations of the seeds that did not produce a visible echo were interpolated from their known position in the array. A CT scan was obtained after implantation for comparison with the TRUS images. Results: On average, 93% (range, 86-99%) of the seeds were visible in the TRUS images. However, it was possible to localize 100% of the seeds in each case, because the locations of the missing seeds could be determined from the known construction of the arrays. Two factors complicated the interpretation of the TRUS images. One was that the spacers also produced echoes. Although weak and diffuse, these echoes could be mistaken for seeds. The other was that the number of echoes along a needle track sometimes exceeded the number of seeds and spacers implanted. This was attributed to the overall length of the array, which was approximately 0.5 cm longer than the center-to-center distance between the first and last seed owing to the finite length of the seeds at the ends of the array. When this occurred, it was necessary to disregard either the most distal or most proximal echo, which produced a 0.5-cm uncertainty in the location of the array in the axial direction. For these reasons, simply localizing the visible echoes in the TRUS images did not guarantee the reliable identification of the seeds. Conclusion: Our results have demonstrated that a high percentage (>85%) of the implanted {sup 125}I seeds can be directly visualized in postimplant TRUS images when the seeds and spacers are linked to preclude seed migration and rotation and when the images are obtained with a high-resolution TRUS probe. Moreover, it is possible to localize 100% of the seeds with the mechanism of linked seeds because the locations of the missing seeds can be determined from the known construction of the arrays.

Xue Jinyu [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA (United States)]. E-mail: Jinyu.Xue@mail.tju.edu; Waterman, Frank [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA (United States); Handler, Jay [Department of Urology, Frankford Hospital, Philadelphia, PA (United States); Gressen, Eric [Department of Radiation Oncology, Kimmel Cancer Center, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA (United States)

2005-07-01T23:59:59.000Z

494

Optimal motion planning with the half-car dynamical model for autonomous high-speed driving  

E-Print Network [OSTI]

We discuss an implementation of the RRT* optimal motion planning algorithm for the half-car dynamical model to enable autonomous high-speed driving. To develop fast solutions of the associated local steering problem, we ...

Jeon, Jeong hwan

495

NESTED HIGH RESOLUTION SIMULATION AND LIDAR VALIDATION OF A LAND BREEZE CIRCULATION  

E-Print Network [OSTI]

NESTED HIGH RESOLUTION SIMULATION AND LIDAR VALIDATION OF A LAND BREEZE CIRCULATION by GIJS DE BOER local forcing. A wide range of scales is simulated using the nesting capability of the University

Eloranta, Edwin W.

496

Localization of gravitational wave sources with networks of advanced detectors  

SciTech Connect (OSTI)

Coincident observations with gravitational wave (GW) detectors and other astronomical instruments are among the main objectives of the experiments with the network of LIGO, Virgo, and GEO detectors. They will become a necessary part of the future GW astronomy as the next generation of advanced detectors comes online. The success of such joint observations directly depends on the source localization capabilities of the GW detectors. In this paper we present studies of the sky localization of transient GW sources with the future advanced detector networks and describe their fundamental properties. By reconstructing sky coordinates of ad hoc signals injected into simulated detector noise, we study the accuracy of the source localization and its dependence on the strength of injected signals, waveforms, and network configurations.

Klimenko, S.; Mitselmakher, G.; Pankow, C. [University of Florida, P.O. Box 118440, Gainesville, Florida, 32611 (United States); Vedovato, G. [INFN, Sezione di Padova, via Marzolo 8, 35131 Padova (Italy); Drago, M.; Prodi, G. [University of Trento, Physics Department and INFN, Gruppo Collegato di Trento, via Sommarive 14, 38123 Povo, Trento (Italy); Mazzolo, G.; Salemi, F. [Max Planck Institut fuer Gravitationsphysik, Callinstrasse 38, 30167 Hannover and Leibniz Universitaet Hannover, Hannover (Germany); Re, V. [INFN, Sezione di Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Roma (Italy); Yakushin, I. [LIGO Livingston Observatory, Louisiana (United States)

2011-05-15T23:59:59.000Z

497

Local non-Gaussianity from rapidly varying sound speeds  

SciTech Connect (OSTI)

We study the effect of non-trivial sound speeds on local-type non-Gaussianity during multiple-field inflation. To this end, we consider a multiple-DBI model and use the ?N formalism to track the super-horizon evolution of perturbations. By adopting a sum separable Hubble parameter we derive analytic expressions for the relevant quantities in the two-field case, valid beyond slow variation. We find that non-trivial sound speeds can, in principle, curve the trajectory in such a way that significant local-type non-Gaussianity is produced. Deviations from slow variation, such as rapidly varying sound speeds, enhance this effect. To illustrate our results we consider two-field inflation in the tip regions of two warped throats and find large local-type non-Gaussianity produced towards the end of the inflationary process.

Emery, Jon; Tasinato, Gianmassimo; Wands, David, E-mail: jon.emery@port.ac.uk, E-mail: gianmassimo.tasinato@port.ac.uk, E-mail: david.wands@port.ac.uk [Institute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Portsmouth, PO1 3FX (United Kingdom)

2012-08-01T23:59:59.000Z

498

Localization and diffusion in polymer quantum field theory  

E-Print Network [OSTI]

Polymer quantization is a non-standard approach to quantizing a classical system inspired by background independent approaches to quantum gravity such as loop quantum gravity. When applied to field theory it introduces a characteristic polymer scale at the level of the fields classical configuration space. Compared with models with space-time discreteness or non-commutativity this is an alternative way in which a characteristic scale can be introduced in a field theoretic context. Motivated by this comparison we study here localization and diffusion properties associated with polymer field observables and dispersion relation in order to shed some light on the novel physical features introduced by polymer quantization. While localization processes seems to be only mildly affected by polymer effects, we find that polymer diffusion differs significantly from the "dimensional reduction" picture emerging in other Planck-scale models beyond local quantum field theory.

Michele Arzano; Marco Letizia

2014-08-13T23:59:59.000Z

499

Catalog of Nearby Galaxies and the Local Cosmic Web  

E-Print Network [OSTI]

We compiled an all-sky catalog of 451 nearby galaxies, each having an individual distance estimate $D \\la 10$ Mpc or the radial velocity $V_{LG} -17.0$, which contribute about 4% to the local luminosity density, and $\\sim(10-16)$% to the local HI mass density. We found that the mean local barion density $\\Omega_b(<8$ Mpc) = 2.3% consists of only a half of the global barion density, $\\Omega_b=(4.7\\pm0.6)$% (Spergel et al. 2003). The mean-square pairwise difference of radial velocities is about 100 km s$^{-1}$ for spatial separations within 1 Mpc, increasing to $\\sim 300$ km s$^{-1}$ on a scale of $\\sim 3$ Mpc.

Igor D. Karachentsev; Valentina E. Karachentseva; Walter K. Huchtmeier; Dmitry I. Makarov

2004-10-04T23:59:59.000Z

500

High Performance Governing Body slides  

E-Print Network [OSTI]

Identifies political values, working conditions of council, and different perspectives of local government elected officials and staff.

Nalbandian, John

2013-02-01T23:59:59.000Z