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Note: This page contains sample records for the topic "wide spread multiple" 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.


1

Cool dwarfs in wide multiple systems. Paper 5: New astrometry of 54 wide pairs with M dwarfs  

E-Print Network [OSTI]

We investigate the membership in double, triple or higher-order-multiplicity systems of 54 pairs with at least one bright M dwarf in the solar neighbourhood. These M dwarfs are potential targets of radial-velocity surveys for exoplanets. We measure angular separations and position angles from optical images taken with TCP and CAMELOT at the IAC80 telescope at the Observatorio del Teide, and complement them with our measurements on photographic plate digitizations. We also use data in the Washington Double Star Catalogue and other bibliographic sources. We confirm the physical binding of 52 multiple systems, for which we comprehensively compile, derive and provide basic astrophysical parameters in a homogeneous way (spectral types, heliocentric distances, projected physical separations, individual masses, estimated orbital periods, binding energies). Of the 52 systems, 38 are double, 11 are triple and three are quadruple with a variety of architectures. Four systems contain white dwarfs, six systems display va...

Cortés-Contreras, M; Montes, D

2015-01-01T23:59:59.000Z

2

Performance Study of Hybrid DS/FFH Spread-Spectrum Systems in the Presence of Frequency-Selective Fading and Multiple-Access Interference  

SciTech Connect (OSTI)

Hybrid spread-spectrum (HSS) systems have recently received considerable interest in commercial, Smart Grid, and military communication systems because they accommodate high data rates with high link integrity, even in the presence of significant multipath effects and interfering signals. A highly useful form of this modulation scheme is the specific code-related combination of standard direct-sequence spread spectrum (DSSS) with fast frequency-hopping (FFH) spread spectrum, denoted hybrid DS/FFH, wherein multiple frequency hops occur within a single data-bit time. In this paper we perform a simulation-based study of the DS/FFH performance as compared to the existing standard DSSS and FHSS wireless networks. The performance metrics are bit-error probability and multiple-access capability. The parameter space of DS/FFH, including the DS spreading rate, frequency hopping rate, carrier frequencies, and numbers of users, is explored to show its performance under frequency-selective Rayleigh fading environments and multiuser interference. Direct digital synthesizers to achieve fast hopping speeds are also considered in our study.

Olama, Mohammed M [ORNL; Smith, Stephen Fulton [ORNL; Kuruganti, Phani Teja [ORNL; Ma, Xiao [ORNL

2012-01-01T23:59:59.000Z

3

Hybrid spread spectrum radio system  

DOE Patents [OSTI]

Systems and methods are described for hybrid spread spectrum radio systems. A method, includes receiving a hybrid spread spectrum signal including: fast frequency hopping demodulating and direct sequence demodulating a direct sequence spread spectrum signal, wherein multiple frequency hops occur within a single data-bit time and each bit is represented by chip transmissions at multiple frequencies.

Smith, Stephen F. (London, TN) [London, TN; Dress, William B. (Camas, WA) [Camas, WA

2010-02-09T23:59:59.000Z

4

The performance of a multiple-disk centrifugal pump as an artificial ventricle over a wide range of operating parameters  

E-Print Network [OSTI]

The performance of a multiple-disk centrifugal pump based on the Tesla Turbine design is tested over a wide range of operating conditions. 'This pump is tested on a mock circulatory loop (with a blood analog) approved by the NIH. This valveless...

Sidhu, Amrita Singh

1993-01-01T23:59:59.000Z

5

A multiple-input operational transconductance amplifier with a wide linear range  

E-Print Network [OSTI]

region of Fig. 3. 6a 3. 7 EfFect of the bias voltage 3. 8 Connection of transconductance st. ages for multiple inputs 4. 1 An OTA block diagram 21 23 24 25 27 28 29 31 33 35 4. 2 Connect, ion of opposing cascode stages so that the current.... 4 6. 5 6. 7 6. 8 6. 9 6. 10 6. 11a. 6. 11b 6. 12 6. 13 Effect of bias voltage Influence of V?on the transfer function Common ? mode transfer function Effect of current mirror choice on offset voltage Frequency response of circuit I A...

Reed, Russell Deryl

2012-06-07T23:59:59.000Z

6

Hybrid spread spectrum radio system  

DOE Patents [OSTI]

Systems and methods are described for hybrid spread spectrum radio systems. A method includes modulating a signal by utilizing a subset of bits from a pseudo-random code generator to control an amplification circuit that provides a gain to the signal. Another method includes: modulating a signal by utilizing a subset of bits from a pseudo-random code generator to control a fast hopping frequency synthesizer; and fast frequency hopping the signal with the fast hopping frequency synthesizer, wherein multiple frequency hops occur within a single data-bit time.

Smith, Stephen F. (London, TN); Dress, William B. (Camas, WA)

2010-02-02T23:59:59.000Z

7

FREQUENCY HOPPING SPREAD SPECTRUM DIRECT SEQUENCE SPREAD SPECTRUM  

E-Print Network [OSTI]

FREQUENCY HOPPING SPREAD SPECTRUM VS. DIRECT SEQUENCE SPREAD SPECTRUM RAYLINK AND RAYTHEON local-area network products, such as Raytheon's RaylinkTM products, use the frequency hopping method

Westall, James M.

8

Assessing nitrogen losses after sewage sludge spreading: A method based on simulation models and spreader  

E-Print Network [OSTI]

1 Assessing nitrogen losses after sewage sludge spreading: A method based on simulation models performances. We define 45 sewage sludge spreading scenarios covering a wide range of situations in France. Several models are used to (i) assess nitrogen losses due to sewage sludge spreading and (ii) calculate

Paris-Sud XI, Université de

9

Design, Implementation, and Evaluation of a Hybrid DS/FFH Spread-Spectrum Radio Transceiver  

SciTech Connect (OSTI)

In recent years there has been great interest in using hybrid spread-spectrum (HSS) techniques for commercial applications, particularly in the Smart Grid, in addition to their inherent uses in military communications. This is because HSS can accommodate high data rates with high link integrity, even in the presence of significant multipath effects and interfering signals. A highly useful form of this transmission technique for many types of command, control, and sensing applications is the specific code-related combination of standard direct-sequence modulation with "fast" frequency-hopping, denoted hybrid DS/FFH, wherein multiple frequency hops occur within a single data-bit time. In this paper, we present the efforts carried out at Oak Ridge National Laboratory toward exploring the design, implementation, and evaluation of a hybrid DS/FFH spread-spectrum radio transceiver using a single Field Programmable Gate Array (FPGA). The FPGA allows the various subsystems to quickly communicate with each other and thereby maintain tight synchronization. We also investigate various hopping sequences against robustness to interference and jamming. Experimental results are presented that show the receiver sensitivity, radio data-rate/bit-error evaluations, and jamming and interference rejection capabilities of the implemented hybrid DS/FFH spread-spectrum system under widely varying design parameters.

Olama, Mohammed M [ORNL; Killough, Stephen M [ORNL; Kuruganti, Teja [ORNL; Carroll, Thomas E. [Pacific Northwest National Laboratory (PNNL)

2014-01-01T23:59:59.000Z

10

Equatorial spread {ital F} effects on an HF path: Doppler spread, spatial coherence, and frequency coherence  

SciTech Connect (OSTI)

In August 1990 we participated in the Equatorial Ionospheric Studies sounding rocket campaign near Kwajalein Atoll in the equatorial Pacific region. The campaign included measurements of plasma density using rocket probes and coherent and incoherent scatter radar. During the campaign we fielded high-frequency ionospheric sounders over a bistatic path between Maloelap Atoll and Bikini Atoll in the Marshall Islands. The distance between the transmitters and receivers was 700 km; the ionospheric-reflection region was at 10.18; {degree}N, 168.40;{degree}E, near the magnetic equator. We made three types of measurements: Doppler spread and spatial coherence for a single-frequency CW path; frequency coherence of multiple CW paths; and Doppler spread and time-delay spread for a 60-kHz bandwidth path. We obtained such data over a period of 2 weeks for approximately 2 hours each evening; during this period spread {ital F} was common. Fifty percent of the evenings showed Doppler spread of greater than 6 Hz at the {minus}10 dB level (relative to the peak signal power) and greater than 15 Hz at the {minus}30 dB level. Forty percent of the evenings showed spatial coherence distance of less than 180 m in the direction normal to the bistatic path; 40{percent} of the evenings showed spatial coherence of less than 75 m in the direction parallel to the path. Seventy-five percent of the evenings showed coherence bandwidths of less than 1.5 kHz. {copyright} 1999 American Geophysical Union

Fitzgerald, T.J.; Argo, P.E.; Carlos, R.C. [Los Alamos National Laboratory, Los Alamos, New Mexico (United States)] [Los Alamos National Laboratory, Los Alamos, New Mexico (United States)

1999-01-01T23:59:59.000Z

11

Detectability of Radio Frequency Interference due to Spread Spectrum Communication Signals using the  

E-Print Network [OSTI]

Detectability of Radio Frequency Interference due to Spread Spectrum Communication Signals using-- Analysis of detectability of the kurtosis algorithm for pulsed-sinusoidal Radio Frequency Interference (RFI) has already been performed in detail. The detectability for wide- band spread-spectrum RFI

Ruf, Christopher

12

Using a Bull Call Spread  

E-Print Network [OSTI]

The Bull Call Spread can be used to hedge against or to benefit from a rising market. The user buys a call option at a particular strike price and sells a call option at a higher strike price. Margin requirements, advantages and disadvantages...

Bevers, Stan; Amosson, Stephen H.; Waller, Mark L.; Dhuyvetter, Kevin C.

2008-10-07T23:59:59.000Z

13

An Advanced Analysis Technique for Transient Searches in Wide-Field Gamma-Ray Observatories  

E-Print Network [OSTI]

Wide-field gamma-ray telescopes typically have highly variable event-by-event resolution which leads to a number of unique and challenging analysis requirements -- particularly when conducting transient searches over multiple time scales. By generalizing the ideas of the Gaussian weighting analysis to point-spread functions of arbitrary shape and the regime of Poisson statistics, an efficient analysis which uses the event-by-event resolution is developed with a sensitivity similar to that of a well-implemented maximum likelihood analysis. In this development, the effect of a number of different approximations on the sensitivity and speed of the final analysis can be easily determined and tuned to the particular application. The analysis method is particularly well suited to transient detection in wide field-of-view gamma-ray observatories, and is currently used for the 40 s -- 3 hour transient search in the Milagro observatory.

M. F. Morales; D. A. Williams; T. DeYoung

2003-07-15T23:59:59.000Z

14

SAW correlator spread spectrum receiver  

DOE Patents [OSTI]

A surface acoustic wave (SAW) correlator spread-spectrum (SS) receiver is disclosed which utilizes a first demodulation stage with a chip length n and a second demodulation stage with a chip length m to decode a transmitted SS signal having a code length l=n.times.m which can be very long (e.g. up to 2000 chips or more). The first demodulation stage utilizes a pair of SAW correlators which demodulate the SS signal to generate an appropriate code sequence at an intermediate frequency which can then be fed into the second demodulation stage which can be formed from another SAW correlator, or by a digital correlator. A compound SAW correlator comprising two input transducers and a single output transducer is also disclosed which can be used to form the SAW correlator SS receiver, or for use in processing long code length signals.

Brocato, Robert W

2014-04-01T23:59:59.000Z

15

Environmental performance indicators of organic spreading machines  

E-Print Network [OSTI]

1 Environmental performance indicators of organic spreading machines M. Rousselet1 *, J. C. Roux1 to French spreading machines. The task consists in defining relevant indicators specifically for spreaders indicator before and after improvement on the machine. Keywords: Environmental Performance Indicator

Paris-Sud XI, Université de

16

Spreading of triboelectrically charged granular matter  

E-Print Network [OSTI]

We report on the spreading of triboelectrically charged glass particles on an oppositely charged surface of a plastic cylindrical container in the presence of a constant mechanical agitation. The particles spread via sticking, as a monolayer on the cylinder's surface. Continued agitation initiates a sequence of instabilities of this monolayer, which first forms periodic wavy-stripe-shaped transverse density modulation in the monolayer and then ejects narrow and long particle-jets from the tips of these stripes. These jets finally coalesce laterally to form a homogeneous spreading front that is layered along the spreading direction. These remarkable growth patterns are related to a time evolving frictional drag between the moving charged glass particles and the countercharges on the plastic container. The results provide insight into the multiscale time-dependent tribolelectric processes and motivates further investigation into the microscopic causes of these macroscopic dynamical instabilities and spatial structures.

Deepak Kumar; A. Sane; Smita Gohil; P. R. Bandaru; S. Bhattacharya; Shankar Ghosh

2014-06-10T23:59:59.000Z

17

atlantic spreading regime: Topics by E-print Network  

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

FREQUENCY HOPPING SPREAD SPECTRUM VS. DIRECT SEQUENCE SPREAD SPECTRUM RAYLINK AND RAYTHEON OF THE PRECEEDING MATERIAL. 12;FREQUENCY HOPPING VS. DIRECT SEQUENCE Frequency...

18

Wide Blue Sky  

E-Print Network [OSTI]

dressed neatly in a dark blue dress, its high neck trimmedIt was covered in a light blue fabric embellished with softOF CALIFORNIA RIVERSIDE Wide Blue Sky A Thesis submitted in

Collins, Caroline Imani

2011-01-01T23:59:59.000Z

19

No Evidence for Significant Age Spreads in Young Massive LMC Clusters  

E-Print Network [OSTI]

Recent discoveries have put the picture of stellar clusters being simple stellar populations into question. In particular, the color-magnitude diagrams of intermediate age (1-2 Gyr) massive clusters in the Large Magellanic Cloud (LMC) show features that could be interpreted as age spreads of 100-500 Myr. If multiple generations of stars are present in these clusters then, as a consequence, young (test this hypothesis. We analyzed the color-magnitude diagrams of these clusters and fitted their star formation history to derive upper limits of potential age spreads. We find that none of the clusters analyzed in this work shows evidence for an extended star formation history that would be consistent with the age spreads proposed for intermediat...

Niederhofer, Florian; Bastian, Nate; Silva-Villa, Esteban

2015-01-01T23:59:59.000Z

20

Reactive Spreading of a Lead-Free Solder on Alumina  

SciTech Connect (OSTI)

The wetting of Sn3Ag-based alloys on Al{sub 2}O{sub 3} has been studied using the sessile-drop configuration. Small additions of Ti decrease the contact angle of Sn3Ag alloys on alumina from 115 to 23 degrees. Adsorption of Ti-species at the solid-liquid interface prior to reaction is the driving force for the observed decrease in contact angle, and the spreading kinetics is controlled by the kinetics of Ti dissolution into the molten alloy. The addition of Ti increases the transport rates at the solid-liquid interface, resulting in the formation of triple-line ridges that pin the liquid front and promote a wide variability in the final contact angles.

Gremillard, L.; Saiz, E.; Radmilovic, V.R.; Tomsia, A.P.

2005-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Multiple hypothesis evaluation in auditing  

E-Print Network [OSTI]

, unidentified causes may have led to the fluctuation. A widely accepted approach for modeling multiple hypotheses is to employ a probabilistic revision process (Winterfeldt and Edwards 1986; Winkler and Hays 1975; Luce and Raiffa, 1957). Probability theory...

Srivastava, Rajendra P.; Wright, Arnold; Mock, Theodore J.

2002-11-01T23:59:59.000Z

22

Information Spreading on Almost Torus Networks Antonia Maria Masucci 1  

E-Print Network [OSTI]

in the spread of a viral message and the authors of [6, 7, 8] have identified some conditions for successful

23

Spreading of energy in the Ding-Dong Model  

E-Print Network [OSTI]

We study properties of energy spreading in a lattice of elastically colliding harmonic oscillators (Ding-Dong model). We demonstrate that in the regular lattice the spreading from a localized initial state is mediated by compactons and chaotic breathers. In a disordered lattice the compactons do not exist, and the spreading eventually stops, resulting in a finite configuration with a few chaotic spots.

S. Roy; A. Pikovsky

2012-06-26T23:59:59.000Z

24

3:2:1 Crack Spread  

Gasoline and Diesel Fuel Update (EIA)

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) " ,"Click worksheet9,1,50022,3,,,,6,1,,781Title: Telephone:short version)ecTotal (Data from:2:1 Crack Spread

25

Wide Bandgap Power Electronics  

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 EnergyEnergyENERGYWomen Owned SmallOf TheViolations | Department of Energyis EIA?WhiteWho WillWhyWide

26

The ROSAT HRI Point Spread Function  

E-Print Network [OSTI]

A sample of the brightest point-like sources observed with the ROSAT-HRI were analysed to asses on the intrinsic shape of the ROSAT-HRI Point Spread Function (PSF). Almost all of the HRI observations collected during the ROSAT lifetime are found to be artificially broadened by factors up two ~2 due to residual errors in the ROSAT aspect solution. After correction by departing pointing positions, the width of the core of the PSF is found to be less than 5 arcsec (half energy width, HEW). On the basis of these results, an improved analytical representation of the ROSAT-HRI PSF is provided. However, for most of the new observations the source countrate is too weak to allow reliable recovering pf the ROSAT-HRI resolution. Therefore, a series of examples (data, correction, and theoretical PSF) are given in order to help the ROSAT user in determining whether "his/her source" is extended or not.

Peter Predehl; Almudena Prieto

2001-09-28T23:59:59.000Z

27

Revealing latent factors of temporal networks for mesoscale intervention in epidemic spread  

E-Print Network [OSTI]

The customary perspective to reason about epidemic mitigation in temporal networks hinges on the identification of nodes with specific features or network roles. The ensuing individual-based control strategies, however, are difficult to carry out in practice and ignore important correlations between topological and temporal patterns. Here we adopt a mesoscopic perspective and present a principled framework to identify collective features at multiple scales and rank their importance for epidemic spread. We use tensor decomposition techniques to build an additive representation of a temporal network in terms of mesostructures, such as cohesive clusters and temporally-localized mixing patterns. This representation allows to determine the impact of individual mesostructures on epidemic spread and to assess the effect of targeted interventions that remove chosen structures. We illustrate this approach using high-resolution social network data on face-to-face interactions in a school and show that our method afford...

Gauvin, Laetitia; Barrat, Alain; Cattuto, Ciro

2015-01-01T23:59:59.000Z

28

HIV virus spread and evolution studied through computer modeling  

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

HIV and evolution studied through computer modeling HIV virus spread and evolution studied through computer modeling This approach distinguishes between susceptible and infected...

29

Wide-Bandgap Semiconductors  

SciTech Connect (OSTI)

With the increase in demand for more efficient, higher-power, and higher-temperature operation of power converters, design engineers face the challenge of increasing the efficiency and power density of converters [1, 2]. Development in power semiconductors is vital for achieving the design goals set by the industry. Silicon (Si) power devices have reached their theoretical limits in terms of higher-temperature and higher-power operation by virtue of the physical properties of the material. To overcome these limitations, research has focused on wide-bandgap materials such as silicon carbide (SiC), gallium nitride (GaN), and diamond because of their superior material advantages such as large bandgap, high thermal conductivity, and high critical breakdown field strength. Diamond is the ultimate material for power devices because of its greater than tenfold improvement in electrical properties compared with silicon; however, it is more suited for higher-voltage (grid level) higher-power applications based on the intrinsic properties of the material [3]. GaN and SiC power devices have similar performance improvements over Si power devices. GaN performs only slightly better than SiC. Both SiC and GaN have processing issues that need to be resolved before they can seriously challenge Si power devices; however, SiC is at a more technically advanced stage than GaN. SiC is considered to be the best transition material for future power devices before high-power diamond device technology matures. Since SiC power devices have lower losses than Si devices, SiC-based power converters are more efficient. With the high-temperature operation capability of SiC, thermal management requirements are reduced; therefore, a smaller heat sink would be sufficient. In addition, since SiC power devices can be switched at higher frequencies, smaller passive components are required in power converters. Smaller heat sinks and passive components result in higher-power-density power converters. With the advent of the use of SiC devices it is imperative that models of these be made available in commercial simulators. This enables power electronic designers to simulate their designs for various test conditions prior to fabrication. To build an accurate transistor-level model of a power electronic system such as an inverter, the first step is to characterize the semiconductor devices that are present in the system. Suitable test beds need to be built for each device to precisely test the devices and obtain relevant data that can be used for modeling. This includes careful characterization of the parasitic elements so as to emulate the test setup as closely as possible in simulations. This report is arranged as follows: Chapter 2--The testing and characterization of several diodes and power switches is presented. Chapter 3--A 55-kW hybrid inverter (Si insulated gate bipolar transistor--SiC Schottky diodes) device models and test results are presented. A detailed description of the various test setups followed by the parameter extraction, modeling, and simulation study of the inverter performance is presented. Chapter 4--A 7.5-kW all-SiC inverter (SiC junction field effect transistors (JFET)--SiC Schottky diodes) was built and tested. The models built in Saber were validated using the test data and the models were used in system applications in the Saber simulator. The simulation results and a comparison of the data from the prototype tests are discussed in this chapter. Chapter 5--The duration test results of devices utilized in buck converters undergoing reliability testing are presented.

Chinthavali, M.S.

2005-11-22T23:59:59.000Z

30

PRICING AND HEDGING SPREAD OPTIONS RENE CARMONA AND VALDO DURRLEMAN  

E-Print Network [OSTI]

energy prices dynamics, and we explain how the pricing and hedging algorithms can be implemented bothPRICING AND HEDGING SPREAD OPTIONS REN´E CARMONA AND VALDO DURRLEMAN ABSTRACT. We survey the theoretical and the computational problems associated with the pricing of spread options. These options

Carmona, Rene

31

What constrains spread growth in forecasts ini2alized from  

E-Print Network [OSTI]

1 What constrains spread growth in forecasts ini2alized from ensemble Kalman filters? Tom from manner in which ini2al condi2ons are generated, some due to the model (e.g., stochas2c physics as error; part of spread growth from manner in which ini2al condi2ons are generated, some due

Hamill, Tom

32

Comments on Landau damping due to synchrotron frequency spread  

SciTech Connect (OSTI)

An inductive/space-charge impedance shifts the synchrotron frequency downwards above/below transition, but it is often said that the coherent synchrotron frequency of the bunch is not shifted in the rigid-dipole mode. On the other hand, the incoherent synchrotron frequency due to the sinusoidal rf always spreads in the downward direction. This spread will therefore not be able to cover the coherent synchrotron frequency, implying that there will not be any Landau damping no matter how large the frequency spread is. By studying the dispersion relation, it is shown that the above argument is incorrect, and there will be Landau damping if there is sufficient frequency spread. The main reason is that the coherent frequency of the rigid-dipole mode will no longer remain unshifted in the presence of a synchrotron frequency spread.

Ng, K.Y.; /Fermilab

2005-01-01T23:59:59.000Z

33

Spreading of Viscous Liquids at High Temperature: Silicate Glasseson Molybdenum  

SciTech Connect (OSTI)

The spreading of Si-Ca-Al-Ti-O glasses on molybdenum has been investigated. By controlling the oxygen activity in the furnace, spreading can take place under reactive or non-reactive conditions. As the nucleation of the reaction product under reactive conditions is slow in comparison to the spreading kinetics, in both cases the glass front moves on the metal surface with similar spreading velocities. Spreading can be described using a molecular dynamics model where the main contribution to the wetting activation energy comes from the viscous interactions in the liquid. Enhanced interfacial diffusions in low-oxygen activities (reactive cases) form triple-line ridges that can pin the wetting front and cause a stick-slip motion.

Lopez-Esteban, Sonia; Saiz, Eduardo; Moya, Jose S.; Tomsia,Antoni P.

2004-12-15T23:59:59.000Z

34

An energy spread correction for ERDA hydrogen depth profiling  

SciTech Connect (OSTI)

A technique for hydrogen depth profiling by reflection elastic recoil detection analysis called the channel-depth conversion was introduced by Verda, et al.' However, the energy spread in elastic recoil detection analysis spectra, which causes a broadening in the energy range and leads to errors in depth profiling, was not addressed by this technique. Here we introduce a technique to addresses this problem, called the energy spread correction. Together, the energy spread correction and the channel-depth conversion techniques comprise the depth profiling method presented in this work.

Verda, R. D. (Raymond D.); Nastasi, Michael Anthony,

2002-01-01T23:59:59.000Z

35

Multiple Causation in the Spread and Reversal of a Sound Change: Rhotacism in South Slavic  

E-Print Network [OSTI]

spremembe foneti?en in da izhaja iz težnje, ki podpira razlo?evalne lastnosti pri samoglasnikih (za razliko od severnoslovanskih razvojev), kar je teza, ki se navezuje na predvojno Isa?enkovo razpravo. Vseeno pa se da širitev spremembe in njen umik delno...

Greenberg, Marc L.

1999-01-01T23:59:59.000Z

36

Electrically modulated dynamic spreading of drops on soft surfaces  

E-Print Network [OSTI]

The intricate interaction between the deformability of a substrate and the dynamic spreading of a liquid drop on the same, under the application of an electrical voltage, has remained far from being well understood. Here, we demonstrate that electrospreading dynamics on soft substrates is dictated by the combined interplay of electrocapillarity, the wetting line friction and the viscoelastic energy dissipation at the contact line. Our results reveal that during such electro-elastocapillarity mediated spreading of a sessile drop, the contact radius evolution exhibits a universal power law in a substrate elasticity based non-dimensional time, with an electric potential dependent spreading exponent. Simultaneously, the macroscopic dynamic contact angle variation follows a general power law in the contact line velocity, normalized by elasticity dependent characteristic velocity scale. Our results are likely to provide the foundation for the development of a plethora of new applications involving droplet manipulations by exploiting the interplay between electrically triggered spreading and substrate-compliance over interfacial scales.

Ranabir Dey; Ashish Daga; Sunando DasGupta; Suman Chakraborty

2015-04-07T23:59:59.000Z

37

Epidemic spreading in time-varying community networks  

SciTech Connect (OSTI)

The spreading processes of many infectious diseases have comparable time scale as the network evolution. Here, we present a simple networks model with time-varying community structure, and investigate susceptible-infected-susceptible epidemic spreading processes in this model. By both theoretic analysis and numerical simulations, we show that the efficiency of epidemic spreading in this model depends intensively on the mobility rate q of the individuals among communities. We also find that there exists a mobility rate threshold q{sub c}. The epidemic will survive when q?>?q{sub c} and die when q?spreading in complex networks with community structure.

Ren, Guangming, E-mail: wangxy@dlut.edu.cn, E-mail: ren-guang-ming@163.com [School of Electronic and Information, Guangdong Polytechnic Normal University, Guangzhou 510665 (China) [School of Electronic and Information, Guangdong Polytechnic Normal University, Guangzhou 510665 (China); Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024 (China); Wang, Xingyuan, E-mail: wangxy@dlut.edu.cn, E-mail: ren-guang-ming@163.com [Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024 (China)] [Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024 (China)

2014-06-15T23:59:59.000Z

38

Hierarchical Bayesian Models for Predicting The Spread of Ecological Processes  

E-Print Network [OSTI]

Hierarchical Bayesian Models for Predicting The Spread of Ecological Processes Christopher K. Wikle Department of Statistics, University of Missouri To appear: Ecology June 10, 2002 Key Words: Bayesian, Diffusion, Forecast, Hierarchical, House Finch, Invasive, Malthu- sian, State Space, Uncertainty Abstract

39

Improving environmental performances of organic spreading technologies through the use of life cycle  

E-Print Network [OSTI]

spreading machines. Key words: Spreading technology, environmental performances, LCA, sewage sludge land application linked with the type of effluent, very few studies take the technology used of sewage sludge spreading scenarios involving different types of spreaders in different pedoclimatic

Boyer, Edmond

40

E-Print Network 3.0 - active spreading ridge Sample Search Results  

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

faulting. Index Terms: 3035... sections of intermediate- and slow- spreading ridges Sinton and Detrick, 1992. Non- volcanic spreading... occurs in regions of thick, cold...

Note: This page contains sample records for the topic "wide spread multiple" 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

Wide field of view telescope  

DOE Patents [OSTI]

A wide field of view telescope having two concave and two convex reflective surfaces, each with an aspheric surface contour, has a flat focal plane array. Each of the primary, secondary, tertiary, and quaternary reflective surfaces are rotationally symmetric about the optical axis. The combination of the reflective surfaces results in a wide field of view in the range of approximately 3.8.degree. to approximately 6.5.degree.. The length of the telescope along the optical axis is approximately equal to or less than the diameter of the largest of the reflective surfaces.

Ackermann, Mark R. (Albuquerque, NM); McGraw, John T. (Placitas, NM); Zimmer, Peter C. (Albuquerque, NM)

2008-01-15T23:59:59.000Z

42

Analyses of corium spreading in Mark I containment geometry  

SciTech Connect (OSTI)

An assessment of melt spreading in the Mark I system has been carried out using the MELTSPREAD-1 computer code together with supporting analyses. Application of MELTSPREAD-1 confirms the calculation of shell survival in a wet containment for the most probable melt release conditions from NUREG/CR-5423. According to MELTSPREAD-1, a dry containment also may not be threatened by melt spreading. This reflects the heat losses undergone by the melt in the process of spreading to the shell conservatively neglected in NUREG/CR-5423. However, there exist parameter ranges outside the most probable set where shell failure may be calculated. Accounting for the breakup and quenching of melt relocating through a deep layer of subcooled water also conservatively neglected in NUREG/CR-5423 can reduce the set of parameter variations for which containment failure is calculated in the wet case.

Sienicki, J.J.; Chu, C.C.; Farmer, M.T.

1991-01-01T23:59:59.000Z

43

Analyses of corium spreading in Mark I containment geometry  

SciTech Connect (OSTI)

An assessment of melt spreading in the Mark I system has been carried out using the MELTSPREAD-1 computer code together with supporting analyses. Application of MELTSPREAD-1 confirms the calculation of shell survival in a wet containment for the most probable melt release conditions from NUREG/CR-5423. According to MELTSPREAD-1, a dry containment also may not be threatened by melt spreading. This reflects the heat losses undergone by the melt in the process of spreading to the shell conservatively neglected in NUREG/CR-5423. However, there exist parameter ranges outside the most probable set where shell failure may be calculated. Accounting for the breakup and quenching of melt relocating through a deep layer of subcooled water also conservatively neglected in NUREG/CR-5423 can reduce the set of parameter variations for which containment failure is calculated in the wet case.

Sienicki, J.J.; Chu, C.C.; Farmer, M.T.

1991-12-31T23:59:59.000Z

44

SOFTWAREENGINEERING The World Wide Web  

E-Print Network [OSTI]

SOFTWAREENGINEERING The World Wide Web Distributed Authoring and Versioning working group on the Web. WEBDAV: IETF Standard for Collaborative Authoring on the Web E. JAMES WHITEHEAD, JR. University remains to be done. What if instead you could simply edit Web documents (or any Web resource) in place

Whitehead, James

45

arXiv:physics/000908727Sep2000 MEASURING AND CONTROLLING ENERGY SPREAD IN CEBAF  

E-Print Network [OSTI]

arXiv:physics/000908727Sep2000 MEASURING AND CONTROLLING ENERGY SPREAD IN CEBAF G. A. Krafft, J spread from a CEBAF-type machine to be relatively small; the measured energy spread from CEBAF at 4 Ge, the various subsystems contributing to the energy spread of a CEBAF-type accel- erator are reviewed, as well

46

Radio-frequency identification could help reduce the spread of plant pathogens  

E-Print Network [OSTI]

frequency identification could help reduce the spread ofeconomic losses. It also helps control the Plant Protection

Luvisi, Andrea; Panattoni, Alessandra; Triolo, Enrico

2012-01-01T23:59:59.000Z

47

Positive Feedback Regulation Results in Spatial Clustering and Fast Spreading of Active Signaling Molecules on a Cell Membrane  

E-Print Network [OSTI]

Positive feedback regulation is ubiquitous in cell signaling networks, often leading to binary outcomes in response to graded stimuli. However, the role of such feedbacks in clustering, and in spatial spreading of activated molecules, has come to be appreciated only recently. We focus on the latter, using a simple model developed in the context of Ras activation with competing negative and positive feedback mechanisms. We find that positive feedback, in the presence of slow diffusion, results in clustering of activated molecules on the plasma membrane, and rapid spatial spreading as the front of the cluster propagates with a constant velocity (dependent on the feedback strength). The advancing fronts of the clusters of the activated species are rough, with scaling consistent with the Kardar-Parisi-Zhang (KPZ) equation in one dimension. Our minimal model is general enough to describe signal transduction in a wide variety of biological networks where activity in the membrane-proximal region is subject to feedback regulation.

Jayajit Das; Mehran Kardar; Arup K. Chakraborty

2009-06-29T23:59:59.000Z

48

Short range spread-spectrum radiolocation system and method  

DOE Patents [OSTI]

A short range radiolocation system and associated methods that allow the location of an item, such as equipment, containers, pallets, vehicles, or personnel, within a defined area. A small, battery powered, self-contained tag is provided to an item to be located. The tag includes a spread-spectrum transmitter that transmits a spread-spectrum code and identification information. A plurality of receivers positioned about the area receive signals from a transmitting tag. The position of the tag, and hence the item, is located by triangulation. The system employs three different ranging techniques for providing coarse, intermediate, and fine spatial position resolution. Coarse positioning information is provided by use of direct-sequence code phase transmitted as a spread-spectrum signal. Intermediate positioning information is provided by the use of a difference signal transmitted with the direct-sequence spread-spectrum code. Fine positioning information is provided by use of carrier phase measurements. An algorithm is employed to combine the three data sets to provide accurate location measurements.

Smith, Stephen F. (Loudon, TN)

2003-04-29T23:59:59.000Z

49

Low energy spread ion source with a coaxial magnetic filter  

DOE Patents [OSTI]

Multicusp ion sources are capable of producing ions with low axial energy spread which are necessary in applications such as ion projection lithography (IPL) and radioactive ion beam production. The addition of a radially extending magnetic filter consisting of a pair of permanent magnets to the multicusp source reduces the energy spread considerably due to the improvement in the uniformity of the axial plasma potential distribution in the discharge region. A coaxial multicusp ion source designed to further reduce the energy spread utilizes a cylindrical magnetic filter to achieve a more uniform axial plasma potential distribution. The coaxial magnetic filter divides the source chamber into an outer annular discharge region in which the plasma is produced and a coaxial inner ion extraction region into which the ions radially diffuse but from which ionizing electrons are excluded. The energy spread in the coaxial source has been measured to be 0.6 eV. Unlike other ion sources, the coaxial source has the capability of adjusting the radial plasma potential distribution and therefore the transverse ion temperature (or beam emittance).

Leung, Ka-Ngo (Hercules, CA); Lee, Yung-Hee Yvette (Berkeley, CA)

2000-01-01T23:59:59.000Z

50

Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers  

E-Print Network [OSTI]

215 Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers Geophysical is very limited. Low-temperature diffuse vent fluids, ubiquitous at hydrothermal systems, provide one microorganisms from diffuse hydrothermal vent fluids and the subseafloor at basalt-hosted mid-ocean ridges

Holden, James F.

51

Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers  

E-Print Network [OSTI]

233 Magma to Microbe: Modeling Hydrothermal Processes at Ocean Spreading Centers Geophysical to mixing between #12;234 MIcrOBE MInErAl prOcESSES In SEAflOOr SulfIdES seawater and the hydrothermal of Washington, Seattle, Washington, USA Hydrothermal vent sulfides are diverse and dynamic habitats

Holden, James F.

52

Law Update Cover 2,3 No More Spreading Lead  

E-Print Network [OSTI]

to customers by contractors, of the "Protect Your Family from Lead in Your Home" pamphlet, be- fore beginning because the lead tastes sweet, you need to readjust your thinking. Lead poisoning occurs across allINSIDE Law Update Cover 2,3 No More Spreading Lead Tip of the Month Page 4 Rental Unit Condition

Hutyra, Lucy R.

53

Original article Impact of spreading olive mill wastewater on soil  

E-Print Network [OSTI]

Original article Impact of spreading olive mill wastewater on soil characteristics: laboratory 2001) Abstract ­ A dynamic of soil pollution with olive mill wastewater (OMW) was investigated process forms an olive mill wastewater (OMW). The amount of this waste depends on the process used for oil

Paris-Sud XI, Université de

54

Blind subpixel Point Spread Function estimation from scaled image pairs  

E-Print Network [OSTI]

Blind subpixel Point Spread Function estimation from scaled image pairs Mauricio Delbracio§ Andr, causing aliasing effects. This work introduces a blind algorithm for the subpixel estimation of the point shows that the proposed algorithm reaches the accuracy levels of the best non- blind state

Paris-Sud XI, Université de

55

Wide Bandgap Extrinsic Photoconductive Switches  

SciTech Connect (OSTI)

Photoconductive semiconductor switches (PCSS) have been investigated since the late 1970s. Some devices have been developed that withstand tens of kilovolts and others that switch hundreds of amperes. However, no single device has been developed that can reliably withstand both high voltage and switch high current. Yet, photoconductive switches still hold the promise of reliable high voltage and high current operation with subnanosecond risetimes. Particularly since good quality, bulk, single crystal, wide bandgap semiconductor materials have recently become available. In this chapter we will review the basic operation of PCSS devices, status of PCSS devices and properties of the wide bandgap semiconductors 4H-SiC, 6H-SiC and 2H-GaN.

Sullivan, J S

2012-01-17T23:59:59.000Z

56

Opportunities for Wide Bandgap Semiconductor Power Electronics...  

Energy Savers [EERE]

Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen and Fuel Cell Applications Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen...

57

Wide-range voltage modulation  

SciTech Connect (OSTI)

The Superconducting Super Collider`s Medium Energy Booster Abort (MEBA) kicker modulator will supply a current pulse to the abort magnets which deflect the proton beam from the MEB ring into a designated beam stop. The abort kicker will be used extensively during testing of the Low Energy Booster (LEB) and the MEB rings. When the Collider is in full operation, the MEBA kicker modulator will abort the MEB beam in the event of a malfunction during the filling process. The modulator must generate a 14-{mu}s wide pulse with a rise time of less than 1 {mu}s, including the delay and jitter times. It must also be able to deliver a current pulse to the magnet proportional to the beam energy at any time during ramp-up of the accelerator. Tracking the beam energy, which increases from 12 GeV at injection to 200 GeV at extraction, requires the modulator to operate over a wide range of voltages (4 kV to 80 kV). A vacuum spark gap and a thyratron have been chosen for test and evaluation as candidate switches for the abort modulator. Modulator design, switching time delay, jitter and pre-fire data are presented.

Rust, K.R.; Wilson, J.M.

1992-06-01T23:59:59.000Z

58

Spreading of Fluids on Solids Under Pressure: Effect of Slip  

E-Print Network [OSTI]

Spreading of different types of fluid on substrates under an impressed force is an interesting problem. Here we study spreading of four fluids, having different hydrophilicity and viscosity on two substrates - glass and perspex, under an external force. The area of contact of fluid and solid is video-photographed and its increase with time is measured. The results for different external forces can be scaled onto a common curve. We try to explain the nature of this curve on the basis of existing theoretical treatment where either the no-slip condition is used or slip between fluid and substrate is introduced. We find that of the eight cases under study, in five cases quantitative agreement is obtained using a slip coefficient.

Soma Nag; Tapati Dutta; Sujata Tarafdar

2010-05-28T23:59:59.000Z

59

Modelling power-law spread of infectious diseases  

E-Print Network [OSTI]

Short-time human travel behaviour can be well described by a power law with respect to distance. We incorporate this information in space-time models for infectious disease surveillance data to better capture the dynamics of disease spread. Two previously established model classes are extended, which both decompose disease risk additively into endemic and epidemic components: a space-time point process model for individual point-referenced data, and a multivariate time series model for aggregated count data. In both frameworks, the power-law spread is embedded into the epidemic component and its decay parameter is estimated simultaneously with all other unknown parameters using (penalised) likelihood inference. The performance of the new approach is investigated by a re-analysis of individual cases of invasive meningococcal disease in Germany (2002-2008), and count data on influenza in 140 administrative districts of Southern Germany (2001-2008). In both applications, the power-law formulations substantially ...

Meyer, Sebastian

2013-01-01T23:59:59.000Z

60

Digital hf radar observations of equatorial spread-F  

SciTech Connect (OSTI)

Modern digital ionosondes, with both direction finding and doppler capabilities can provide large scale pictures of the Spread-F irregularity regions. A morphological framework has been developed that allows interpretation of the hf radar data. A large scale irregularity structure is found to be nightward of the dusk terminator, stationary in the solar reference frame. As the plasma moves through this foehn-wall-like structure it descends, and irregularities may be generated. Localized upwellings, or bubbles, may be produced, and they drift with the background plasma. The spread-F irregularity region is found to be best characterized as a partly cloudy sky, due to the patchiness of the substructures. 13 references, 16 figures.

Argo, P.E.

1984-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Transverse spreading of electrons in high-intensity laser fields  

E-Print Network [OSTI]

We show that for collisions of electrons with a high-intensity laser, discrete photon emissions introduce a transverse beam spread which is distinct from that due to classical (or beam shape) effects. Via numerical simulations, we show that this quantum induced transverse momentum gain of the electron is manifest in collisions with a realistic laser pulse of intensity within reach of current technology, and we propose it as a measurable signature of strong-field quantum electrodynamics.

D. G. Green; C. N. Harvey

2014-03-18T23:59:59.000Z

62

Observation of laser multiple filamentation process and multiple electron beams acceleration in a laser wakefield accelerator  

SciTech Connect (OSTI)

The multiple filaments formation process in the laser wakefield accelerator (LWFA) was observed by imaging the transmitted laser beam after propagating in the plasma of different density. During propagation, the laser first self-focused into a single filament. After that, it began to defocus with energy spreading in the transverse direction. Two filaments then formed from it and began to propagate independently, moving away from each other. We have also demonstrated that the laser multiple filamentation would lead to the multiple electron beams acceleration in the LWFA via ionization-induced injection scheme. Besides, its influences on the accelerated electron beams were also analyzed both in the single-stage LWFA and cascaded LWFA.

Li, Wentao; Liu, Jiansheng; Wang, Wentao; Chen, Qiang; Zhang, Hui; Tian, Ye; Zhang, Zhijun; Qi, Rong; Wang, Cheng; Leng, Yuxin; Li, Ruxin; Xu, Zhizhan [State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O. Box 800-211, Shanghai 201800 (China)] [State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O. Box 800-211, Shanghai 201800 (China)

2013-11-15T23:59:59.000Z

63

Fire spread probabilities for experimental beds composed of mixedwood boreal forest fuels  

E-Print Network [OSTI]

that fire spread was largely determined by the heat sink, heat of combustion, and fuel bed depth. We found

Johnson, Edward A.

64

Modeling the Spread of Epidemic Cholera: an Age-Structured Model  

E-Print Network [OSTI]

in crowded conditions and poor sanitation. A common type of model for the spread of an infectious disease

Gobbert, Matthias K.

65

Mobile Conductance and Gossip-based Information Spreading in Mobile Networks  

E-Print Network [OSTI]

Mobile Conductance and Gossip-based Information Spreading in Mobile Networks Huazi Zhang, Zhaoyang framework for information spreading in mobile networks based on a new performance metric, mobile conductance, which allows us to separate the details of mobility models from the study of mobile spreading time. We

Dai, Huaiyu

66

Comparing methods for measuring the rate of spread of invading populations  

E-Print Network [OSTI]

with known theoretical spread rates over a hypothetical region where a set of sampling points are distributed as well as the shape of the invaded area and then compare how different spread rate measurement methods biology, and in particular on the factors influencing spread into new environments (Sharov et al. 1999

Liebhold, Andrew

67

Cincinnati Canvassing Spreads Retrofitting Message | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTieCelebrate Earth DayFuels ChemicalChrisCincinnati Canvassing Spreads

68

Wide Area Security Region Final Report  

SciTech Connect (OSTI)

This report develops innovative and efficient methodologies and practical procedures to determine the wide-area security region of a power system, which take into consideration all types of system constraints including thermal, voltage, voltage stability, transient and potentially oscillatory stability limits in the system. The approach expands the idea of transmission system nomograms to a multidimensional case, involving multiple system limits and parameters such as transmission path constraints, zonal generation or load, etc., considered concurrently. The security region boundary is represented using its piecewise approximation with the help of linear inequalities (so called hyperplanes) in a multi-dimensional space, consisting of system parameters that are critical for security analyses. The goal of this approximation is to find a minimum set of hyperplanes that describe the boundary with a given accuracy. Methodologies are also developed to use the security hyperplanes, pre-calculated offline, to determine system security margins in real-time system operations, to identify weak elements in the system, and to calculate key contributing factors and sensitivities to determine the best system controls in real time and to assist in developing remedial actions and transmission system enhancements offline . A prototype program that automates the simulation procedures used to build the set of security hyperplanes has also been developed. The program makes it convenient to update the set of security hyperplanes necessitated by changes in system configurations. A prototype operational tool that uses the security hyperplanes to assess security margins and to calculate optimal control directions in real time has been built to demonstrate the project success. Numerical simulations have been conducted using the full-size Western Electricity Coordinating Council (WECC) system model, and they clearly demonstrated the feasibility and the effectiveness of the developed technology. Recommendations for the future work have also been formulated.

Makarov, Yuri V.; Lu, Shuai; Guo, Xinxin; Gronquist, James; Du, Pengwei; Nguyen, Tony B.; Burns, J. W.

2010-03-31T23:59:59.000Z

69

Ultra wide-bandwidth micro energy harvester  

E-Print Network [OSTI]

An ultra wide-bandwidth resonating thin film PZT MEMS energy harvester has been designed, modeled, fabricated and tested. It harvests energy from parasitic ambient vibration at a wide range of amplitude and frequency via ...

Hajati, Arman

2011-01-01T23:59:59.000Z

70

Classification of Message Spreading in a Heterogeneous Social Network  

E-Print Network [OSTI]

Nowadays, social networks such as Twitter, Facebook and LinkedIn become increasingly popular. In fact, they introduced new habits, new ways of communication and they collect every day several information that have different sources. Most existing research works fo-cus on the analysis of homogeneous social networks, i.e. we have a single type of node and link in the network. However, in the real world, social networks offer several types of nodes and links. Hence, with a view to preserve as much information as possible, it is important to consider so-cial networks as heterogeneous and uncertain. The goal of our paper is to classify the social message based on its spreading in the network and the theory of belief functions. The proposed classifier interprets the spread of messages on the network, crossed paths and types of links. We tested our classifier on a real word network that we collected from Twitter, and our experiments show the performance of our belief classifier.

Jendoubi, Siwar; Liétard, Ludovic; Yaghlane, Boutheina Ben

2015-01-01T23:59:59.000Z

71

Energy Spread Reduction of Electron Beams Produced via Laser Wake  

SciTech Connect (OSTI)

Laser wakefield acceleration of electrons holds great promise for producing ultra-compact stages of GeV scale, high quality electron beams for applications such as x-ray free electron lasers and high energy colliders. Ultra-high intensity laser pulses can be self-guided by relativistic plasma waves over tens of vacuum diffraction lengths, to give >1 GeV energy in cm-scale low density plasma using ionization-induced injection to inject charge into the wake at low densities. This thesis describes a series of experiments which investigates the physics of LWFA in the self-guided blowout regime. Beginning with high density gas jet experiments the scaling of the LWFA-produced electron beam energy with plasma electron density is found to be in excellent agreement with both phenomenological theory and with 3-D PIC simulations. It is also determined that self-trapping of background electrons into the wake exhibits a threshold as a function of the electron density, and at the densities required to produce electron beams with energies exceeding 1 GeV a different mechanism is required to trap charge into low density wakes. By introducing small concentrations of high-Z gas to the nominal He background the ionization-induced injection mechanism is enabled. Electron trapping is observed at densities as low as 1.3 x 10{sup 18} cm{sup -3} in a gas cell target, and 1.45 GeV electrons are demonstrated for the first time from LWFA. This is currently the highest electron energy ever produced from LWFA. The ionization-induced trapping mechanism is also shown to generate quasi-continuous electron beam energies, which is undesirable for accelerator applications. By limiting the region over which ionization-induced trapping occurs, the energy spread of the electron beams can be controlled. The development of a novel two-stage gas cell target provides the capability to tailor the gas composition in the longitudinal direction, and confine the trapping process to occur only in a limited, defined region. Using this technique a 460 MeV electron beam was produced with an energy spread of 5%. This technique is directly scalable to multi-GeV electron beam generation with sub-percent energy spreads.

Pollock, B

2012-03-19T23:59:59.000Z

72

A space of small spread without the usual properties  

E-Print Network [OSTI]

~') is hereditarily a-separable. Proof, (a) Let Y be as in the hypothesis, and consider the open cover of Y, {YC\\ \\jßiyXß:yspread a, X={Jß

Roitman, Judith A.

1974-03-02T23:59:59.000Z

73

Multiple Measures of Alyawarra Kinship Woodrow W. Denham and Douglas R. White  

E-Print Network [OSTI]

Multiple Measures of Alyawarra Kinship Woodrow W. Denham and Douglas R. White 15 February 2004 the encroaching White world. The Alyawarra lived in four semi-permanent camps spread over a distance of 54 road conditions of semi- Denham / White 1 8/2/2004 #12;provisioning, they maintained much of their traditional

White, Douglas R.

74

DFAS Wide-Area Workflow Issues  

Broader source: Energy.gov [DOE]

Presentation covers the DFAS wide-area workflow issues and is given at the Spring 2011 Federal Utility Partnership Working Group (FUPWG) meeting.

75

The MELTSPREAD-1 computer code for the analysis of transient spreading in containments  

SciTech Connect (OSTI)

A one-dimensional, multicell, Eulerian finite difference computer code (MELTSPREAD-1) has been developed to provide an improved prediction of the gravity driven spreading and thermal interactions of molten corium flowing over a concrete or steel surface. In this paper, the modeling incorporated into the code is described and the spreading models are benchmarked against a simple dam break'' problem as well as water simulant spreading data obtained in a scaled apparatus of the Mk I containment. Results are also presented for a scoping calculation of the spreading behavior and shell thermal response in the full scale Mk I system following vessel meltthrough. 24 refs., 15 figs.

Farmer, M.T.; Sienicki, J.J.; Spencer, B.W.

1990-01-01T23:59:59.000Z

76

Dynamic Modeling of Cell Migration and Spreading Behaviors on Fibronectin Coated Planar Substrates and Micropatterned Geometries  

E-Print Network [OSTI]

An integrative cell migration model incorporating focal adhesion (FA) dynamics, cytoskeleton and nucleus remodeling, actin motor activity, and lamellipodia protrusion is developed for predicting cell spreading and migration ...

Kim, Min-Cheol

77

Multiple density layered insulator  

DOE Patents [OSTI]

A multiple density layered insulator for use with a laser is disclosed which provides at least two different insulation materials for a laser discharge tube, where the two insulation materials have different thermoconductivities. The multiple layer insulation materials provide for improved thermoconductivity capability for improved laser operation. 4 figs.

Alger, T.W.

1994-09-06T23:59:59.000Z

78

Multiple density layered insulator  

DOE Patents [OSTI]

A multiple density layered insulator for use with a laser is disclosed wh provides at least two different insulation materials for a laser discharge tube, where the two insulation materials have different thermoconductivities. The multiple layer insulation materials provide for improved thermoconductivity capability for improved laser operation.

Alger, Terry W. (Tracy, CA)

1994-01-01T23:59:59.000Z

79

Widely separated multiple transgene integration sites in wheat chromosomes are brought together at interphase  

E-Print Network [OSTI]

18 September 2000; accepted 18 September 2000. *For correspondence (fax +44 1603 456844; e and embryo tissue sections. Confocal microscopy revealed that these sites lay in close physical proximity

Shaw, Peter

80

Genome-wide association analysis identifies multiple loci related to resting heart rate  

E-Print Network [OSTI]

,46, Susan R. Heckbert10,13,47, Bruno H.Ch. Stricker1,2,3,40,54, , Eric Boerwinkle19 and Christopher J. O: +31 107044657; Email: b.stricker@erasmusmc.nl (B.H.Ch.S.); Framingham Heart Study, 73 Mt Wayte Avenue

de Bakker, Paul

Note: This page contains sample records for the topic "wide spread multiple" 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

Issues Associated with the Development of a Wide-Area Analysis and Visualization Environment  

E-Print Network [OSTI]

node-breaker model. Since the node-breaker model is much more dynamic than the simpler bus-branch type of the issues associated with the development of a wide-area analysis and visualization environment (WAVE data from multiple control areas, combine it into a unified model, analyze the model, and visualize

82

Can we stop the spread of influenza in schools with face masks?  

SciTech Connect (OSTI)

In the absence of a strain-specific vaccine and the potential resistance to antiviral medication, nonpharmaceutical interventions can be used to reduce the spread of an infectious disease such as influenza. The most common non-pharmaceutical interventions include school closures, travel restrictions, social distancing, enforced or volunteer home isolation and quarantine, improved hand hygiene, and the appropriate wearing of face masks. However, for some of these interventions, there are some unavoidable economic costs to both employees and employers, as well as possible additional detriment to society as a whole. For example, it has been shown that school-age children are most likely to be infected and act as sources of infection for others, due to their greater societal interaction and increased susceptibility. Therefore, preventing or at least reducing infections in children is a logical first-line of defense. For this reason, school closures have been widely investigated and recommended as part of pandemic influenza preparedness, and some studies support this conclusion. Yet, school closures would result in lost work days if at least one parent must be absent from work to care for children who would otherwise be at school. In addition, the delay in-academic progress may be detrimental due to mass school absenteeism. In particular, the pandemic influenza guidance by the U.S. Department of Health and Human Services recommends school closures for less than four weeks for Category 2 and 3 pandemics (i.e., similar to the milder 1957 and 1968 pandemics) and one to three months for Category 4 and 5 pandemics (i .e., similar to the 1918 pandemic ). Yet, given the above, it is clear that closing schools for up to three months is unlikely to be a practical mitigation strategy for many families and society. Thus modelers and policy makers need to weigh all factors before recommending such drastic measures, particularly if the agent under consideration typically has low mortality and causes a mild disease. Therefore, we contend that face masks are an effective, practical, non-pharmaceutical intervention that would reduce the spread of disease among school-children, while keeping schools open. Influenza spreads through person-to-person contact, via transmission by large droplets or aerosols (droplet nuclei) produced by breathing, talking, coughing or sneezing, as well as by direct (though most people touch very few others in their daily lives) or indirect (i.e., via fomites) contact. Face masks act as a physical barrier to reduce the amount of potentially infectious inhaled and exhaled particles, although they would not reliably protect the wearer against aerosols; a recent study also demonstrated that they can redirect and decelerate exhaled airflows (when worn by an infected individual) to prevent them from entering the breathing zones of others. Thus, if a whole classroom were to don face masks, disease transmission would be expected to be greatly diminished. Another recent study on face masks and hand hygiene show a 10-50% transmission reduction for influenza-like illnesses. Furthermore, face masks can act as an effective physical reminder and barrier to transmission by preventing the wearer from touching any potentially infectious secretions from their mucous membranes (i.e., from the nose and mouth), which is another mechanism for direct and indirect contact transmission for influenza. A recent systematic review has suggested that wearing masks can be highly effective in limiting the transmission of respiratory infections, such as influenza. Yet, admittedly, the effectiveness of this intervention strategy is highly dependent on compliance (i.e., the willingness to wear the mask in all appropriate situations), which in tum depends on comfort, convenience, fitness, and hygiene. Importantly, masks themselves must not become a source of infection (or reinfection); as such they should be replaced or sanitized daily (where possible) to maximize effectiveness. One solution could be for masks to be touted as fashion accessories, whi

Del Valle, Sara Y [Los Alamos National Laboratory; Tellier, Raymond [UNIV OF CALGARY; Settles, Gary [UNIV PARK; Tang, Julian [NATIONAL UNIV OF SINGAPORE

2009-01-01T23:59:59.000Z

83

Slug pellet spreading: the double-disc performances available with a single disc spreader  

E-Print Network [OSTI]

1 Slug pellet spreading: the double-disc performances available with a single disc spreader D for slug pellets application. The principal aim of this paper is to show the chosen way to reach spreading pellets 1 Introduction In France, slugs are considered as a harmful destroyer for crops. Their activities

Paris-Sud XI, Université de

84

MISO time reversal and delay spread compression for FWA channels at 5GHz  

E-Print Network [OSTI]

MISO time reversal and delay spread compression for FWA channels at 5GHz Persefoni Kyritsi, Member (MISO) can reduce the delay spread of the channel impulse response by a factor of 2-3, depending transmitter instead. The paper is structured as follows. Section II describes the concept of TR in a MISO

Papanicolaou, George C.

85

Observations of the longitudinal spread of solar energetic particle events in solar cycle 24  

E-Print Network [OSTI]

Observations of the longitudinal spread of solar energetic particle events in solar cycle 24 C://proceedings.aip.org/about/rights_permissions #12;Observations of the Longitudinal Spread of Solar Energetic Particle Events in Solar Cycle 24 C-based satellites such as ACE, simultaneous multi-point measurements of solar energetic particle (SEP

Jensen, Grant J.

86

Load tests on five large spread footings on sand and evaluation of prediction methods  

E-Print Network [OSTI]

for the engineering profession's lack of trust in the use of spread footings. For this study, five spread footings with sizes ranging from I to 3 m square were load tested to 150 mm of penetration. The footings were all constructed and tested in a similar manner...

Gibbens, Robert Melvin

1995-01-01T23:59:59.000Z

87

A Computational Study of the Spreading of Oil Underneath a Sheet of Ice  

E-Print Network [OSTI]

A Computational Study of the Spreading of Oil Underneath a Sheet of Ice Mark Sussman Department) Abstract The spreading of oil underneath a sheet of ice is computed using an adaptive level set method the final steady profile of a body of oil under ice in water. The computational models are used to make

Soatto, Stefano

88

Detecting the Influence of Spreading in Social Networks with Excitable Sensor Networks  

E-Print Network [OSTI]

Detecting spreading outbreaks in social networks with sensors is of great significance in applications. Inspired by the formation mechanism of human's physical sensations to external stimuli, we propose a new method to detect the influence of spreading by constructing excitable sensor networks. Exploiting the amplifying effect of excitable sensor networks, our method can better detect small-scale spreading processes. At the same time, it can also distinguish large-scale diffusion instances due to the self-inhibition effect of excitable elements. Through simulations of diverse spreading dynamics on typical real-world social networks (facebook, coauthor and email social networks), we find that the excitable senor networks are capable of detecting and ranking spreading processes in a much wider range of influence than other commonly used sensor placement methods, such as random, targeted, acquaintance and distance strategies. In addition, we validate the efficacy of our method with diffusion data from a real-wor...

Pei, Sen; Zheng, Zhiming

2015-01-01T23:59:59.000Z

89

West Wide Programmatic Environmental Impact Statement Record...  

Open Energy Info (EERE)

OpenEI Reference LibraryAdd to library Legal Document- OtherOther: West Wide Programmatic Environmental Impact Statement Record of Decision (BLM)Legal Published NA Year Signed or...

90

GWIDD: Genome-wide protein docking database  

E-Print Network [OSTI]

Structural information on interacting proteins is important for understanding life processes at the molecular level. Genome-wide docking database is an integrated resource for structural studies of protein–protein interactions on the genome scale...

Kundrotas, Petras J.; Zhu, Zhengwei; Vasker, Ilya A.

2009-11-09T23:59:59.000Z

91

Ultra-wide bandwidth piezoelectric energy harvesting  

E-Print Network [OSTI]

Here, we present an ultra wide-bandwidth energy harvester by exploiting the nonlinear stiffness of a doubly clamped microelectromechanical systems (MEMSs) resonator. The stretching strain in a doubly clamped beam shows a ...

Hajati, Arman

92

A Multiple Procedure DDT  

E-Print Network [OSTI]

This Memo. Describes a version of DDT used as the command level of the A.I. Group PDP-6 Time Sharing System (ITS). Special features include capability to handle multiple jobs, ability to stop open read or write references ...

Knight, Thomas

1968-01-01T23:59:59.000Z

93

Modelling of monovacancy diffusion in W over wide temperature range  

SciTech Connect (OSTI)

The diffusion of monovacancies in tungsten is studied computationally over a wide temperature range from 1300?K until the melting point of the material. Our modelling is based on Molecular Dynamics technique and Density Functional Theory. The monovacancy migration barriers are calculated using nudged elastic band method for nearest and next-nearest neighbour monovacancy jumps. The diffusion pre-exponential factor for monovacancy diffusion is found to be two to three orders of magnitude higher than commonly used in computational studies, resulting in attempt frequency of the order 10{sup 15} Hz. Multiple nearest neighbour jumps of monovacancy are found to play an important role in the contribution to the total diffusion coefficient, especially at temperatures above 2/3 of T{sub m}, resulting in an upward curvature of the Arrhenius diagram. The probabilities for different nearest neighbour jumps for monovacancy in W are calculated at different temperatures.

Bukonte, L., E-mail: laura.bukonte@helsinki.fi; Ahlgren, T.; Heinola, K. [Department of Physics, University of Helsinki, P.O. Box 43, 00014 Helsinki (Finland)

2014-03-28T23:59:59.000Z

94

Pyrochemical multiplicity counter development  

SciTech Connect (OSTI)

Impure plutonium-bearing materials from pyrochemical processes often display both significant self-multiplication and variable ({alpha},n) reaction rates. Standard neutron coincidence counting techniques usually fail to accurately measure these materials. Neutron multiplicity counters measure the third moment of the neutron multiplicity distribution and thus make it possible to deduce the fertile plutonium mass of a sample even when both the self-multiplication and the ({alpha},n) reaction rate are unknown. A multiplicity counter suitable for measuring pyrochemical materials has been designed and built. This paper describes the results of characterization studies for the new counter. The counter consists of 126 helium-3 tubes arranged in 4 concentric rings in a polyethylene moderator; the average spacing between the tubes is 1.59 cm. The end plugs for the counter are made of graphite, and the 24.1- by 37.5-cm sample cavity is cadmium lined. The counter consists of two distinct halves from which the neutron counts are summed. The counter is capable of operation in either a freestanding mode with the two halves coupled together by an external cabinet or in a glove-box mode with the two halves placed around a glovebox well and then mated. For a {sup 252}Cf source centered in the sample cavity, the measured efficiency of the new multiplicity counter is 57.7% and its die-away time is 47.2{mu}s. 8 refs., 9 figs.

Langner, D.G.; Dytlewski, N.; Krick, M.S.

1991-01-01T23:59:59.000Z

95

Multiple stage multiple filter hydrate store  

DOE Patents [OSTI]

An improved hydrate store for a metal halogen battery system is disclosed which employs a multiple stage, multiple filter means for separating the halogen hydrate from the liquid used in forming the hydrate. The filter means is constructed in the form of three separate sections which combine to substantially cover the interior surface of the store container. Exit conduit means is provided in association with the filter means for transmitting liquid passing through the filter means to a hydrate former subsystem. The hydrate former subsystem combines the halogen gas generated during the charging of the battery system with the liquid to form the hydrate in association with the store. Relief valve means is interposed in the exit conduit means for controlling the operation of the separate sections of the filter means, such that the liquid flow through the exit conduit means from each of the separate sections is controlled in a predetermined sequence. The three separate sections of the filter means operate in three discrete stages to provide a substantially uniform liquid flow to the hydrate former subsystem during the charging of the battery system. The separation of the liquid from the hydrate causes an increase in the density of the hydrate by concentrating the hydrate along the filter means. 7 figs.

Bjorkman, H.K. Jr.

1983-05-31T23:59:59.000Z

96

FORMATION AND SURVIVABILITY OF GIANT PLANETS ON WIDE ORBITS  

SciTech Connect (OSTI)

Motivated by the recent discovery of massive planets on wide orbits, we present a mechanism for the formation of such planets via disk fragmentation in the embedded phase of star formation. In this phase, the forming disk intensively accretes matter from the natal cloud core and undergoes several fragmentation episodes. However, most fragments are either destroyed or driven into the innermost regions (and probably onto the star) due to angular momentum exchange with spiral arms, leading to multiple FU-Ori-like bursts and disk expansion. Fragments that are sufficiently massive and form in the late embedded phase (when the disk conditions are less extreme) may open a gap and evolve into giant planets on typical orbits of several tens to several hundreds of AU. For this mechanism to work, the natal cloud core must have sufficient mass and angular momentum to trigger the burst mode and also form extended disks of the order of several hundreds of AU. When mass loading from the natal cloud core diminishes and the main fragmentation phase ends, such extended disks undergo a transient episode of contraction and density increase, during which they may give birth to a last and survivable set of giant planets on wide and relatively stable orbits.

Vorobyov, Eduard I. [Institute for Computational Astrophysics, Saint Mary's University, Halifax, NS B3H 3C3 (Canada); Basu, Shantanu, E-mail: vorobyov@ap.smu.c, E-mail: basu@astro.uwo.c [Department of Physics and Astronomy, University of Western Ontario, London, ON N6A 3K7 (Canada)

2010-05-01T23:59:59.000Z

97

Wide field imaging of distant clusters  

E-Print Network [OSTI]

Wide field imaging is key to understanding the build-up of distant clusters and their galaxy population. By focusing on the so far unexplored outskirts of clusters, where infalling galaxies first hit the cluster potential and the hot intracluster medium, we can help separate cosmological field galaxy evolution from that driven by environment. I present a selection of recent advancements in this area, with particular emphasis on Hubble Space Telescope wide field imaging, for its superior capability to deliver galaxy morphologies and precise shear maps of distant clusters.

T. Treu

2004-08-05T23:59:59.000Z

98

Wide-band heterodyne receiver development for effluent measurements  

SciTech Connect (OSTI)

Oak Ridge National Laboratory (ORNL) has been developing advanced infrared heterodyne receivers for plasma diagnostics in fusion reactors for over 20 years. Passive heterodyne radiometry in the LWIR region of the spectrum has historically been restricted by HgCdTe (MCT) detector technology to receiver bandwidths of only 2 GHz. Given typical atmospheric line widths of approximately 3 GHz, a CO{sub 2} (or isotope) laser local oscillator with an average line spacing of 50 GHz, and an MCT detector, only chemical species whose absorptions fall directly on top of laser lines can be measured. Thus, with traditional narrow-band heterodyne radiometry, much of the LWIR spectrum is missed and the less complex direct detection DIAL has been the preferred technique in remote sensing applications. Wide-band heterodyne receivers offer significant improvements in remote measurement capability. Progress at the Institute for Microstructural Sciences (IMS) at National Research Council of Canada and at ORNL in wide-band quantum-well infrared photodetectors (QIPs) and receivers is significantly enhancing the bandwidth capabilities of heterodyne radiometers. ORNL recently made measurements in the lab using QWIPs developed at IMS that demonstrate heterodyne quantum efficiencies of 5% with a heterodyne bandwidth of 7 GHz. The path forward indicates that > 10% heterodyne quantum efficiencies and 30-GHz bandwidths are achievable with current QWIP technology. With a chopped, 30-GHz passive heterodyne receiver, a much larger portion of the LWIR spectrum can now be covered. One potential advantage of wide-band heterodyne receivers for effluent measurements is to dramatically reduce the number of laser lines needed to characterize and distinguish multiple chemical species of interest. In the following paper, the authors discuss this and other implications of these new technologies to the characterization of effluents using both passive heterodyne radiometry and thermo-luminescence.

Hutchinson, D.P.; Richards, R.K.; Simpson, M.L.; Bennett, C.A. [Oak Ridge National Lab., TN (United States); Liu, H.C.; Buchanan, M. [National Research Council of Canada (Canada)

1998-05-01T23:59:59.000Z

99

Orc Notation Structured Wide-Area Programming  

E-Print Network [OSTI]

Orc Notation Structured Wide-Area Programming Jayadev Misra Department of Computer Science University of Texas at Austin http://orc.csres.utexas.edu April 12, 2010 Rennes, France #12;Orc Notation hierarchical structure. #12;Orc Notation Orc · Goal: Internet scripting language. · Next: Component integration

Misra, Jayadev

100

Structured Wide-Area Programming: Orc Calculus  

E-Print Network [OSTI]

Structured Wide-Area Programming: Orc Calculus Jayadev Misra Department of Computer Science University of Texas at Austin http://orc.csres.utexas.edu #12;Concurrency · ubiquitous. · difficult interactions. · Support hierarchical structure. #12;Orc · Initial Goal: Internet scripting language. · Next

Misra, Jayadev

Note: This page contains sample records for the topic "wide spread multiple" 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

The spread of violent civil conflict : rare state-driven, and preventable  

E-Print Network [OSTI]

This dissertation advances and tests an explanation for the spread of violent civil conflict from one state to another. The fear of such "substate conflict contagion" is frequently invoked by American policymakers as a ...

Black, Nathan Wolcott

2012-01-01T23:59:59.000Z

102

Spreading of Sn-Ag solders on FeNi alloys  

SciTech Connect (OSTI)

The spreading of Sn-3Ag-xBi solders on Fe-42Ni has been studied using a drop transfer setup. Initial spreading velocities as fast as {approx}0.5 m/s have been recorded. The results are consistent with a liquid front moving on a metastable, flat, unreacted substrate and can be described by using a modified molecular-kinetic model for which the rate controlling step is the movement of one atom from the liquid to the surface of the solid substrate. Although the phase diagram predicts the formation of two Fe-Sn intermetallics at the solder/substrate interface in samples heated at temperatures lower than 513 C, after spreading at 250 C only a thin FeSn reaction layer could be observed. Two interfacial layers (FeSn and FeSn2) were found after spreading at 450 C.

Saiz, Eduardo; Hwang, C-W.; Suganuma, Katsuaki; Tomsia, Antoni P.

2003-02-28T23:59:59.000Z

103

Collisional spreading of Enceladus' neutral cloud T.A. Cassidy *, R.E. Johnson  

E-Print Network [OSTI]

Collisional spreading of Enceladus' neutral cloud T.A. Cassidy *, R.E. Johnson Charlottesville exchange momentum, causing deflections whether or not a charge exchange occurs (e.g., Johnson et al., 2006a

Johnson, Robert E.

104

A study of Turbo Codes across Space Time Spreading Channel 1  

E-Print Network [OSTI]

This study looks at the use of Turbo Codes across a space time spreading (STS) channel in the absence of multi-path. For 3 and 5 iterations, turbo codes was shown to improve the BER by up to 3%.

Ibrahim S. Raad; Peter Vial; Tad Wysocki

105

Beam energy spread in FERMI@elettra gun and linac induced by intrabeam scattering  

E-Print Network [OSTI]

spread in FERMI@elettra gun and linac induced by intrabeamcathode area in the electron guns know in the literature asmost visible within the electron gun where the electron beam

Zholents, Alexander A

2008-01-01T23:59:59.000Z

106

Predictable waves of sequential forest degradation and biodiversity loss spreading from an African city  

E-Print Network [OSTI]

- tainably reducing carbon storage and biodiversity. biodiversity conservation | carbon emissions | reducing, wood production, and biodiversity conservation. The impacts of individual forms of tropical forestPredictable waves of sequential forest degradation and biodiversity loss spreading from an African

Vermont, University of

107

Undulator-Based Laser Wakefield Accelerator Electron Beam Energy Spread and Emittance Diagnostic  

SciTech Connect (OSTI)

The design and current status of experiments to couple the Tapered Hybrid Undulator (THUNDER) to the Lawrence Berkeley National Laboratory (LBNL) laser plasma accelerator (LPA) to measure electron beam energy spread and emittance are presented.

Bakeman, M.S.; Van Tilborg, J.; Nakamura, K.; Gonsalves, A.; Osterhoff, J.; Sokollik, T.; Lin, C.; Robinson, K.E.; Schroeder, C.B.; Toth, Cs.; Weingartner, R.; Gruner, F.; Esarey, E.; Leemans, W.P.

2010-06-01T23:59:59.000Z

108

Landau damping effects and evolutions of energy spread in small isochronous ring  

SciTech Connect (OSTI)

This paper presents the Landau damping effects on the microwave instability of a coasting long bunch in an isochronous ring due to finite energy spread and emittance. Our two-dimensional (2D) dispersion relation gives more accurate predictions of the microwave instability growth rates of short-wavelength perturbations than the conventional 1D formula. The long-term evolution of energy spread is also studied by measurements and simulations.

Li, Yingjie [Michigan State University; Wang, Langfa [SLAC; Lin, Fanglei [JLAB

2014-11-01T23:59:59.000Z

109

Multiple gap photovoltaic device  

DOE Patents [OSTI]

A multiple gap photovoltaic device having a transparent electrical contact adjacent a first cell which in turn is adjacent a second cell on an opaque electrical contact, includes utilizing an amorphous semiconductor as the first cell and a crystalline semiconductor as the second cell.

Dalal, Vikram L. (Newark, DE)

1981-01-01T23:59:59.000Z

110

Polycrystal Plasticity -Multiple Slip"  

E-Print Network [OSTI]

Polycrystal Plasticity - Multiple Slip" 27-750 Texture, Microstructure & Anisotropy A.D. Rollett;2 Objective" The objective of this lecture is to show how plastic deformation in polycrystals requires of Los Alamos polycrystal plasticity, LApp; also the Viscoplastic Selfconsistent code, VPSC; also

Rollett, Anthony D.

111

Experience with pipelined multiple instruction streams  

SciTech Connect (OSTI)

Pipelining has been used to implement efficient, high-speed vector computers. It is also an effective method for implementing multiprocessors. The Heterogeneous Element Processor (HEP) built by Denelcor Incorporated is the first commercially available computer system to use pipelining to implement multiple processes. This paper introduces the architecture and programming environment of the HEP and surveys a range of scientific applications programs for which parallel versions have been produced, tested, and analyzed on this computer. In all cases, the ideal of one instruction completion every pipeline step time is closely approached. Speed limitations in the parallel programs are more often a result of the extra code necessary to ensure synchronization than of actual synchronization lockout at execution time. The pipelined multiple instruction stream architecture is shown to cover a wide range of applications with good utilization of the parallel hardware.

Jordon, H.F.

1984-01-01T23:59:59.000Z

112

Experience with pipelined multiple instruction streams  

SciTech Connect (OSTI)

The authors introduces the architecture and programming environment of the heterogeneous element processor (HEP) and surveys a range of scientific applications programs for which parallel versions have been produced, tested, and analyzed on this computer. In all cases, the ideal of one instruction completion every pipeline step time is closely approached. Speed limitations in the parallel programs are more often a result of the extra code necessary to ensure synchronization than of actual synchronization lockout at execution time. The pipelined multiple instruction stream architecture is shown to cover a wide range of applications with good utilization of the parallel hardware. 35 references.

Jordan, H.F.

1984-01-01T23:59:59.000Z

113

WORLD WIDE WEB 2.3 Web  

E-Print Network [OSTI]

H I2 C WORLD WIDE WEB 1996 #12; 1. 1.1 I2 Cnet 1.2 1.3 WWW 2 2.1 2.2 2.3 Web 2.4 3 O 3.1 3.2 3.3 3.4 O Web browsers. 4. 4.1 4.2 4 File System 9.6 10 A. Web browser HTT . B A #12

Markatos, Evangelos P.

114

Enterprise-Wide Agreements | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehicles » AlternativeUpDrain-WaterDepartmentEnterprise-Wide Agreements

115

Analog Rank-Order Filter using multiple-winners-take-all.  

E-Print Network [OSTI]

??I present an analog VLSI Rank Order Filter (ROF), capable of ranking a wide array of inputs. Implementation is achieved using two multiple-winners-take-all blocks that… (more)

Dake, Luthuli Edem

2012-01-01T23:59:59.000Z

116

Wide-band coherent receiver development for enhanced surveillance  

SciTech Connect (OSTI)

Oak Ridge National Laboratory (ORNL) has been developing advanced coherent IR heterodyne receivers for plasma diagnostics in fusion reactors for over 20 years. Recent progress in wide band IR detectors and high speed electronics has significantly enhanced the measurement capabilities of coherent receivers. In addition, developments in new HgCdTe and quantum well IR photodetector (QWIP) focal plane arrays are providing the possibility of both active and passive coherent imaging. In this paper the authors discuss the implications of these new enabling technologies to the IR remote sensing community for enhanced surveillance. Coherent receivers, as opposed to direct or thermal detection, provide multiple dimensions of information about a scene or target in a single detector system. Combinations of range, velocity, temperature, and chemical species information are all available from a coherent heterodyne receiver. They present laboratory data showing measured noise equivalent power (NEP) of new QWIP detectors with heterodyne bandwidths greater than 7 GHz. For absorption measurements, a wide band coherent receiver provides the capability of looking between CO{sub 2} lines at off-resonance peaks and thus the measurement of lines normally inaccessible with conventional heterodyne or direct detection systems. Also described are differential absorption lidar (DIAL) and Doppler laboratory measurements using an 8 x 8 HgCdTe focal plane array demonstrating the snapshot capability of coherent receiver detector arrays for enhanced chemical plume and moving hardbody capture. Finally they discuss a variety of coherent receiver configurations that can suppress (or enhance) sensitivity of present active remote sensing systems to speckle, glint, and other measurement anomalies.

Simpson, M.L.; Richards, R.K.; Hutchinson, D.P.

1998-03-01T23:59:59.000Z

117

WIRELESS MINE-WIDE TELECOMMUNICATIONS TECHNOLOGY  

SciTech Connect (OSTI)

A comprehensive mine-wide, two-way wireless voice and data communication system for the underground mining industry was developed. The system achieves energy savings through increased productivity and greater energy efficiency in meeting safety requirements within mines. The mine-wide system is comprised of two interfaced subsystems: a through-the-earth communications system and an in-mine communications system. The mine-wide system permits two-way communication among underground personnel and between underground and surface personnel. The system was designed, built, and commercialized. Several systems are in operation in underground mines in the United States. The use of these systems has proven they result in considerable energy savings. A system for tracking the location of vehicles and people within the mine was also developed, built and tested successfully. Transtek's systems are being used by the National Institute of Occupational Safety and Health (NIOSH) in their underground mine rescue team training program. This project also resulted in a spin-off rescue team lifeline and communications system. Furthermore, the project points the way to further developments that can lead to a GPS-like system for underground mines allowing the use of autonomous machines in underground mining operations, greatly reducing the amount of energy used in these operations. Some products developed under this program are transferable to applications in fields other than mining. The rescue team system is applicable to use by first responders to natural, accidental, or terrorist-caused building collapses. The in-mine communications system can be installed in high-rise buildings providing in-building communications to security and maintenance personnel as well as to first responders.

Zvi H. Meiksin

2004-03-01T23:59:59.000Z

118

Concave nanomagnets with widely tunable anisotropy  

SciTech Connect (OSTI)

A nanomagnet having widely tunable anisotropy is disclosed. The disclosed nanomagnet is a magnetic particle with a convex shape having a first magnetically easy axis. The convex shape is modified to include at least one concavity to urge a second magnetically easy axis to form substantially offset from the first magnetically easy axis. In at least one embodiment, the convex shape is also modified to include at least one concavity to urge a second magnetically easy axis to form with a magnetic strength substantially different from the first magnetically easy axis.

Lambson, Brian; Gu, Zheng; Carlton, David; Bokor, Jeffrey

2014-07-01T23:59:59.000Z

119

World Wide Web( WWW ) Greenberg Web  

E-Print Network [OSTI]

WWW 1 World Wide Web( WWW ) WWW Web Web Greenberg Web 30% [1] Web WWW Web WWW [2] [3] WWW 2 2.1 WWW Web 1 1: · 1 · 1 #12;· Web Web 2: 2 2 Web 2.2 Web Web URL URL .html / Yahoo http://headlines.yahoo.co.jp/hl?a=2 0011205-00000101-yom-soci URL onmouseover on- mouseout JavaScript 2.1 2.3 URL URL 1. Web HTML 2. 1

Shirai, Kiyoaki

120

Modern testing meets wide range of objectives  

SciTech Connect (OSTI)

Testing sequences in two very different wells illustrate the wide range of objectives that are met with modern testing procedures. The first example is a drill stem test in an exploration well. The second test is in an established producing well. The exploration well test incorporated tubing-conveyed perforating, fluid sampling, production logging, and matrix stimulation to evaluate and properly treat near-well bore damage, as well as to investigate reservoir volume and characterize boundaries. The test on the established producer evaluated whether a workover could remedy lower than expected productivity. Production logging was combined with stationary transient measurements.

Ehlig-Economides, C.A.; Hegeman, P. (Schlumberger Oilfield Services, Houston, TX (United States)); Clark, G. (Schlumberger Oilfield Services, Aberdeen (United Kingdom))

1994-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Discontinuous Buckling of Wide Beams and Metabeams  

E-Print Network [OSTI]

We uncover how nonlinearities dramatically influence the buckling of elastic beams by means of experiments, simulations and theory. We show that sufficiently wide, ordinary elastic beams exhibit discontinuous buckling, an unstable form of buckling where the post-buckling stiffness is negative. We develop a 1D model that matches our data and identify nonlinearity as the main cause for negative stiffness. Finally, we create nonlinear metamaterials that allow us to rationally design the (negative) post-buckling stiffness of metabeams, independently of beam thickness, and demonstrate discontinuous buckling for metabeams as slender as 1% numerically and 5% experimentally.

Corentin Coulais; Johannes T. B. Overvelde; Luuk A. Lubbers; Katia Bertoldi; Martin van Hecke

2014-10-22T23:59:59.000Z

122

Wide Bandgap Power Electronics | 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) "ofEarlyEnergyDepartment ofDepartment of Energy WhileTanklessLES'NeighborhoodThisApril2014Why Give?Wide9

123

Wide Bandgap Semiconductors: Pursuing the Promise  

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 EnergyEnergyENERGYWomen Owned SmallOf TheViolations | Department of Energyis EIA?WhiteWhoWide Bandgap

124

Wide Electrochemical Window Solvents - Energy Innovation Portal  

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 SecurityTensile Strain Switched FerromagnetismWaste and MaterialsWenjun DengWISP SignInWho do IWhyWhy: TheWide

125

Post-Tanner stages of droplet spreading: the energy balance approach revisited  

E-Print Network [OSTI]

The spreading of a circular liquid drop on a solid substrate can be described by the time evolution of its base radius R(t). In complete wetting the quasistationary regime (far away from initial and final transients) typically obeys the so-called Tanner law, with R t^alpha_T, alpha_T=1/10. Late-time spreading may differ significantly from the Tanner law: in some cases the drop does not thin down to a molecular film and instead reaches an equilibrium pancake-like shape; in other situations, as revealed by recent experiments with spontaneously spreading nematic crystals, the growth of the base radius accelerates after the Tanner stage. Here we demonstrate that these two seemingly conflicting trends can be reconciled within a suitably revisited energy balance approach, by taking into account the line tension contribution to the driving force of spreading: a positive line tension is responsible for the formation of pancake-like structures, whereas a negative line tension tends to lengthen the contact line and induces an accelerated spreading (a transition to a faster power law for R(t) than in the Tanner stage).

Serguei Mechkov; Anne-Marie Cazabat; Gleb Oshanin

2009-09-10T23:59:59.000Z

126

Measurements of spatial and frequency coherence of an equatorial hf path during spread-F  

SciTech Connect (OSTI)

In August 1990, the authors set up an hf path on the equatorial path between Maloelap Atoll and Bikini Atoll. This path, which had a range of 702 km, reflected in the ionosphere approximately 100 km north of the Altair radar location on Kwajalein. Transmitters at Maloelap broadcasted four cw tones within bandwidth of either 4 kHz, 9 kHz, or 70 kHz to be used to determine frequency coherence and also a phase-coded pseudo random sequence with a bandwidth of 60 kHz (channel probe) to be used to determine time delay spread. A spatial array of antennas was deployed at Bikini to measure spatial and frequency coherence using the cw broadcasts. The system was run in the post-sunset time period over two weeks during which almost every night showed significant degradation due to spread F resulting in rapid fading, decreased spatial and frequency coherence, and increased time delay spread. Doppler spreads of greater than 20 Hz were not uncommon, and the spatial correlation distances and frequency coherence bandwidths became so small (50 meters and 1 kHz respectively) that the experiment had to be readjusted. Measurements taken by the Altair incoherent scatter radar and the CUPRI 50 MHz coherent scatter radar indicate that although the bistatic hf channel is affected by the large scale plume structures, most of the [open quotes]damage[close quotes] is done by the bottomside spread F.

Fitzgerald, T.J.; Argo, P.E.; Carlos, R.C.

1993-01-01T23:59:59.000Z

127

Measurements of spatial and frequency coherence of an equatorial hf path during spread-F  

SciTech Connect (OSTI)

In August 1990, the authors set up an hf path on the equatorial path between Maloelap Atoll and Bikini Atoll. This path, which had a range of 702 km, reflected in the ionosphere approximately 100 km north of the Altair radar location on Kwajalein. Transmitters at Maloelap broadcasted four cw tones within bandwidth of either 4 kHz, 9 kHz, or 70 kHz to be used to determine frequency coherence and also a phase-coded pseudo random sequence with a bandwidth of 60 kHz (channel probe) to be used to determine time delay spread. A spatial array of antennas was deployed at Bikini to measure spatial and frequency coherence using the cw broadcasts. The system was run in the post-sunset time period over two weeks during which almost every night showed significant degradation due to spread F resulting in rapid fading, decreased spatial and frequency coherence, and increased time delay spread. Doppler spreads of greater than 20 Hz were not uncommon, and the spatial correlation distances and frequency coherence bandwidths became so small (50 meters and 1 kHz respectively) that the experiment had to be readjusted. Measurements taken by the Altair incoherent scatter radar and the CUPRI 50 MHz coherent scatter radar indicate that although the bistatic hf channel is affected by the large scale plume structures, most of the {open_quotes}damage{close_quotes} is done by the bottomside spread F.

Fitzgerald, T.J.; Argo, P.E.; Carlos, R.C.

1993-07-01T23:59:59.000Z

128

Effective Community-Wide Policy Technical Assistance: The NREL...  

Open Energy Info (EERE)

Wide Policy Technical Assistance: The NRELDOE Approach Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Effective Community-Wide Policy Technical Assistance: The NREL...

129

Proposed Energy Transport Corridors: West-wide energy corridor...  

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

Energy Transport Corridors: West-wide energy corridor programmatic EIS, Draft Corridors - September 2007. Proposed Energy Transport Corridors: West-wide energy corridor...

130

Webinar: Opportunities for Wide Bandgap Semiconductor Power Electronic...  

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

Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen and Fuel Cell Applications Webinar: Opportunities for Wide Bandgap Semiconductor Power Electronics...

131

DOE Issues Final Site-Wide Environmental Impact Statement for...  

Office of Environmental Management (EM)

DOE Issues Final Site-Wide Environmental Impact Statement for the Nevada National Security Site DOE Issues Final Site-Wide Environmental Impact Statement for the Nevada National...

132

Networking and the Web World-Wide Web  

E-Print Network [OSTI]

Networking and the Web #12;World-Wide Web · Wide use of computers Web · Key components of the web ­ Computer Communica8on Networks

North Carolina at Chapel Hill, University of

133

Lesson Learned by Environmental Management Complex-wide Activity...  

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

Environmental Management Complex-wide Activity-level Work Planning and Control Lesson Learned by Environmental Management Complex-wide Activity-level Work Planning and Control...

134

Commonwealth Aluminum: Manufacturer Conducts Plant-Wide Energy...  

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

Commonwealth Aluminum: Manufacturer Conducts Plant-Wide Energy Assessments at Two Aluminum Sheet Production Operations Commonwealth Aluminum: Manufacturer Conducts Plant-Wide...

135

WIDE-FIELD ASTRONOMICAL MULTISCALE CAMERAS  

SciTech Connect (OSTI)

In order to produce sufficiently low aberrations with a large aperture, telescopes have a limited field of view. Because of this narrow field, large areas of the sky at a given time are unobserved. We propose several telescopes based on monocentric reflective, catadioptric, and refractive objectives that may be scaled to wide fields of view and achieve 1.''1 resolution, which in most locations is the practical seeing limit of the atmosphere. The reflective and Schmidt catadioptric objectives have relatively simple configurations and enable large fields to be captured at the expense of the obscuration of the mirror by secondary optics, a defect that may be managed by image plane design. The refractive telescope design does not have an obscuration but the objective has substantial bulk. The refractive design is a 38 gigapixel camera which consists of a single monocentric objective and 4272 microcameras. Monocentric multiscale telescopes, with their wide fields of view, may observe phenomena that might otherwise be unnoticed, such as supernovae, glint from orbital space debris, and near-earth objects.

Marks, Daniel L.; Brady, David J., E-mail: dbrady@ee.duke.edu [Department of Electrical and Computer Engineering and Fitzpatrick Institute for Photonics, Box 90291, Duke University, Durham, NC 27708 (United States)

2013-05-15T23:59:59.000Z

136

Melt spreading code assessment, modifications, and application to the EPR core catcher design.  

SciTech Connect (OSTI)

The Evolutionary Power Reactor (EPR) is under consideration by various utilities in the United States to provide base load electrical production, and as a result the design is undergoing a certification review by the U.S. Nuclear Regulatory Commission (NRC). The severe accident design philosophy for this reactor is based upon the fact that the projected power rating results in a narrow margin for in-vessel melt retention by external cooling of the reactor vessel. As a result, the design addresses ex-vessel core melt stabilization using a mitigation strategy that includes: (1) an external core melt retention system to temporarily hold core melt released from the vessel; (2) a layer of 'sacrificial' material that is admixed with the melt while in the core melt retention system; (3) a melt plug in the lower part of the retention system that, when failed, provides a pathway for the mixture to spread to a large core spreading chamber; and finally, (4) cooling and stabilization of the spread melt by controlled top and bottom flooding. The overall concept is illustrated in Figure 1.1. The melt spreading process relies heavily on inertial flow of a low-viscosity admixed melt to a segmented spreading chamber, and assumes that the melt mass will be distributed to a uniform height in the chamber. The spreading phenomenon thus needs to be modeled properly in order to adequately assess the EPR design. The MELTSPREAD code, developed at Argonne National Laboratory, can model segmented, and both uniform and nonuniform spreading. The NRC is thus utilizing MELTSPREAD to evaluate melt spreading in the EPR design. MELTSPREAD was originally developed to support resolution of the Mark I containment shell vulnerability issue. Following closure of this issue, development of MELTSPREAD ceased in the early 1990's, at which time the melt spreading database upon which the code had been validated was rather limited. In particular, the database that was utilized for initial validation consisted of: (1) comparison to an analytical solution for the dam break problem, (2) water spreading tests in a 1/10 linear scale model of the Mark I containment by Theofanous et al., and (3) steel spreading tests by Suzuki et al. that were also conducted in a geometry similar to the Mark I. The objective of this work was to utilize the MELTSPREAD code to check the assumption of uniform melt spreading in the EPR core catcher design. As a starting point for the project, the code was validated against the worldwide melt spreading database that emerged after the code was originally written in the very early 1990's. As part of this exercise, the code was extensively modified and upgraded to incorporate findings from these various analytical and experiment programs. In terms of expanding the ability of the code to analyze various melt simulant experiments, the options to input user-specified melt and/or substrate material properties was added. The ability to perform invisicid and/or adiabatic spreading analysis was also added so that comparisons with analytical solutions and isothermal spreading tests could be carried out. In terms of refining the capability to carry out reactor material melt spreading analyses, the code was upgraded with a new melt viscosity model; the capability was added to treat situations in which solid fraction buildup between the liquidus-solidus is non-linear; and finally, the ability to treat an interfacial heat transfer resistance between the melt and substrate was incorporated. This last set of changes substantially improved the predictive capability of the code in terms of addressing reactor material melt spreading tests. Aside from improvements and upgrades, a method was developed to fit the model to the various melt spreading tests in a manner that allowed uncertainties in the model predictions to be statistically characterized. With these results, a sensitivity study was performed to investigate the assumption of uniform spreading in the EPR core catcher that addressed parametric variations in: (1) melt pour mass, (2) melt composition, (3) me

Farmer, M. T .; Nuclear Engineering Division

2009-03-30T23:59:59.000Z

137

The MELTSPREAD-1 computer code for the analysis of transient spreading in containments  

SciTech Connect (OSTI)

Transient spreading of molten core materials is important in the assessment of severe-accident sequences for Mk-I boiling water reactors (BWRs). Of interest is whether core materials are able to spread over the pedestal and drywell floors to contact the containment shell and cause thermally induced shell failure, or whether heat transfer to underlying concrete and overlying water will freeze the melt short of the shell. The development of a computational capability for the assessment of this problem was initiated by Sienicki et al. in the form of MELTSPREAD-O code. Development is continuing in the form of the MELTSPREAD-1 code, which contains new models for phenomena that were ignored in the earlier code. This paper summarizes these new models, provides benchmarking calculations of the relocation model against an analytical solution as well as simulant spreading data, and summarizes the results of a scoping calculation for the full Mk-I system.

Farmer, M.T.; Sienicki, J.J.; Spencer, B.W.

1990-01-01T23:59:59.000Z

138

Methods and apparatuses using filter banks for multi-carrier spread-spectrum signals  

DOE Patents [OSTI]

A transmitter includes a synthesis filter bank to spread a data symbol to a plurality of frequencies by encoding the data symbol on each frequency, apply a common pulse-shaping filter, and apply gains to the frequencies such that a power level of each frequency is less than a noise level of other communication signals within the spectrum. Each frequency is modulated onto a different evenly spaced subcarrier. A demodulator in a receiver converts a radio frequency input to a spread-spectrum signal in a baseband. A matched filter filters the spread-spectrum signal with a common filter having characteristics matched to the synthesis filter bank in the transmitter by filtering each frequency to generate a sequence of narrow pulses. A carrier recovery unit generates control signals responsive to the sequence of narrow pulses suitable for generating a phase-locked loop between the demodulator, the matched filter, and the carrier recovery unit.

Moradi, Hussein; Farhang, Behrouz; Kutsche, Carl A

2014-10-14T23:59:59.000Z

139

Methods and apparatuses using filter banks for multi-carrier spread-spectrum signals  

DOE Patents [OSTI]

A transmitter includes a synthesis filter bank to spread a data symbol to a plurality of frequencies by encoding the data symbol on each frequency, apply a common pulse-shaping filter, and apply gains to the frequencies such that a power level of each frequency is less than a noise level of other communication signals within the spectrum. Each frequency is modulated onto a different evenly spaced subcarrier. A demodulator in a receiver converts a radio frequency input to a spread-spectrum signal in a baseband. A matched filter filters the spread-spectrum signal with a common filter having characteristics matched to the synthesis filter bank in the transmitter by filtering each frequency to generate a sequence of narrow pulses. A carrier recovery unit generates control signals responsive to the sequence of narrow pulses suitable for generating a phase-locked loop between the demodulator, the matched filter, and the carrier recovery unit.

Moradi, Hussein; Farhang, Behrouz; Kutsche, Carl A

2014-05-20T23:59:59.000Z

140

Use of incomplete energy recovery for the energy compression of large energy spread charged particle beams  

DOE Patents [OSTI]

A method of energy recovery for RF-base linear charged particle accelerators that allows energy recovery without large relative momentum spread of the particle beam involving first accelerating a waveform particle beam having a crest and a centroid with an injection energy E.sub.o with the centroid of the particle beam at a phase offset f.sub.o from the crest of the accelerating waveform to an energy E.sub.full and then recovering the beam energy centroid a phase f.sub.o+Df relative to the crest of the waveform particle beam such that (E.sub.full-E.sub.o)(1+cos(f.sub.o+Df))>dE/2 wherein dE=the full energy spread, dE/2=the full energy half spread and Df=the wave form phase distance.

Douglas, David R. (Newport News, VA); Benson, Stephen V. (Yorktown, VA)

2007-01-23T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Spreading of molten corium in Mk I geometry following vessel meltthrough  

SciTech Connect (OSTI)

A one-dimensional, multicell, Eulerian computer code is under development to predict the gravity-driven spreading dynamics and thermal interactions of a molten corium layer flowing horizontally over a concrete substrate. The code is compared to recent experiments in which molten mixtures of iron and aluminum oxide flowed over concrete in the presence and absence of water. Results are presented from scoping calculations for the Mk I BWR system investigating the spreading-induced penetration immediately following the drainage of a predominantly oxide molten corium mixture from a localized breach in the reactor vessel. 12 refs., 7 figs.

Sienicki, J.J.; Farmer, M.T.; Spencer, B.W.

1988-01-01T23:59:59.000Z

142

Getter sputtering system for high-throughput fabrication of composition spreads  

SciTech Connect (OSTI)

We describe a sputtering system that can deposit composition spreads in an effectively UHV environment but which does not require the high-throughput paradigm to be compromised by a long pump down each time a target is changed. The system deploys four magnetron sputter guns in a cryoshroud (getter sputtering) which allows elements such as Ti and Zr to be deposited with minimal contamination by oxygen or other reactive background gases. The system also relies on custom substrate heaters to give rapid heating and cool down. The effectiveness of the gettering technique is evaluated, and example results obtained for catalytic activity of a pseudoternary composition spread are presented.

Gregoire, John M.; Dover, R. B. van; Jin Jing; Di Salvo, Francis J.; Abruna, Hector D. [Department of Physics, Cornell University, Ithaca, New York 14853 (United States) and Cornell Fuel Cell Institute, Cornell University, Ithaca, New York 14853 (United States); Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853 (United States) and Cornell Fuel Cell Institute, Cornell University, Ithaca, New York 14853 (United States); Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853 (United States) and Cornell Fuel Cell Institute, Cornell University, Ithaca, New York 14853 (United States)

2007-07-15T23:59:59.000Z

143

Wide band stepped frequency ground penetrating radar  

DOE Patents [OSTI]

A wide band ground penetrating radar system (10) embodying a method wherein a series of radio frequency signals (60) is produced by a single radio frequency source (16) and provided to a transmit antenna (26) for transmission to a target (54) and reflection therefrom to a receive antenna (28). A phase modulator (18) modulates those portion of the radio frequency signals (62) to be transmitted and the reflected modulated signal (62) is combined in a mixer (34) with the original radio frequency signal (60) to produce a resultant signal (53) which is demodulated to produce a series of direct current voltage signals (66) the envelope of which forms a cosine wave shaped plot (68) which is processed by a Fast Fourier Transform unit 44 into frequency domain data (70) wherein the position of a preponderant frequency is indicative of distance to the target (54) and magnitude is indicative of the signature of the target (54).

Bashforth, Michael B. (Buellton, CA); Gardner, Duane (Santa Maria, CA); Patrick, Douglas (Santa Maria, CA); Lewallen, Tricia A. (Ventura, CA); Nammath, Sharyn R. (Santa Barbara, CA); Painter, Kelly D. (Goleta, CA); Vadnais, Kenneth G. (Alexandria, VA)

1996-01-01T23:59:59.000Z

144

Imaging spectrometer wide field catadioptric design  

DOE Patents [OSTI]

A wide field catadioptric imaging spectrometer with an immersive diffraction grating that compensates optical distortions. The catadioptric design has zero Petzval field curvature. The imaging spectrometer comprises an entrance slit for transmitting light, a system with a catadioptric lens and a dioptric lens for receiving the light and directing the light, an immersion grating, and a detector array. The entrance slit, the system for receiving the light, the immersion grating, and the detector array are positioned wherein the entrance slit transmits light to the system for receiving the light and the system for receiving the light directs the light to the immersion grating and the immersion grating receives the light and directs the light through the system for receiving the light to the detector array.

Chrisp; Michael P. (Danville, CA)

2008-08-19T23:59:59.000Z

145

Plant Wide Assessment for SIFCO Industries, Inc.  

SciTech Connect (OSTI)

Sifco Industries carreid out a plant wide energy assessment under a collaborative program with the U.S. Department of Energy during October 2004 to September 2005. During the year, personnel from EIS, E3M, DPS, BuyCastings.Com, and Sifco plant facilities and maintenance personnel, as a team collected energy use, construction, process, equipment and operational information about the plant. Based on this information, the team identified 13 energy savings opportunities. Near term savings opportunities have a total potential savings of about $1,329,000 per year and a combined simple payback of about 11 months. Implementation of these recommendations would reduce CO2 emissions by about 16,000,000 pounds per year, which would reduce overall plant CO2 emissions by about 45%. These totals do not include another $830,000 per year in potential savings with an estimated 9-month payback, from converting the forging hammers from steam to compressed air.

Kelly Kissock, Arvind Thekdi et. al.

2005-07-06T23:59:59.000Z

146

Wide range radioactive gas concentration detector  

DOE Patents [OSTI]

A wide range radioactive gas concentration detector and monitor which is capable of measuring radioactive gas concentrations over a range of eight orders of magnitude. The device of the present invention is designed to have an ionization chamber which is sufficiently small to give a fast response time for measuring radioactive gases but sufficiently large to provide accurate readings at low concentration levels. Closely spaced parallel plate grids provide a uniform electric field in the active region to improve the accuracy of measurements and reduce ion migration time so as to virtually eliminate errors due to ion recombination. The parallel plate grids are fabricated with a minimal surface area to reduce the effects of contamination resulting from absorption of contaminating materials on the surface of the grids. Additionally, the ionization chamber wall is spaced a sufficient distance from the active region of the ionization chamber to minimize contamination effects.

Anderson, David F. (Los Alamos, NM)

1984-01-01T23:59:59.000Z

147

Multiple capillary biochemical analyzer  

DOE Patents [OSTI]

A multiple capillary analyzer allows detection of light from multiple capillaries with a reduced number of interfaces through which light must pass in detecting light emitted from a sample being analyzed, using a modified sheath flow cuvette. A linear or rectangular array of capillaries is introduced into a rectangular flow chamber. Sheath fluid draws individual sample streams through the cuvette. The capillaries are closely and evenly spaced and held by a transparent retainer in a fixed position in relation to an optical detection system. Collimated sample excitation radiation is applied simultaneously across the ends of the capillaries in the retainer. Light emitted from the excited sample is detected by the optical detection system. The retainer is provided by a transparent chamber having inward slanting end walls. The capillaries are wedged into the chamber. One sideways dimension of the chamber is equal to the diameter of the capillaries and one end to end dimension varies from, at the top of the chamber, slightly greater than the sum of the diameters of the capillaries to, at the bottom of the chamber, slightly smaller than the sum of the diameters of the capillaries. The optical system utilizes optic fibers to deliver light to individual photodetectors, one for each capillary tube. A filter or wavelength division demultiplexer may be used for isolating fluorescence at particular bands. 21 figs.

Dovichi, N.J.; Zhang, J.Z.

1995-08-08T23:59:59.000Z

148

The Hubble Wide Field Camera 3 Test of Surfaces in the Outer Solar System: Spectral Variation on Kuiper Belt Objects  

E-Print Network [OSTI]

Here we present additional photometry of targets observed as part of the Hubble Wide Field Camera 3 Test of Surfaces in the Outer Solar System. 12 targets were re-observed with the Wide Field Camera 3 in optical and NIR wavebands designed to compliment those used during the first visit. Additionally, all observations originally presented by Fraser and Brown (2012) were reanalyzed through the same updated photometry pipeline. A reanalysis of the optical and NIR colour distribution reveals a bifurcated optical colour distribution and only two identifiable spectral classes, each of which occupies a broad range of colours and have correlated optical and NIR colours, in agreement with our previous findings. We report the detection of significant spectral variations on 5 targets which cannot be attributed to photometry errors, cosmic rays, point spread function or sensitivity variations, or other image artifacts capable of explaining the magnitude of the variation. The spectrally variable objects are found to have ...

Fraser, Wesley C; Glass, Florian

2015-01-01T23:59:59.000Z

149

Energy Spot Price Models and Spread Options Pricing Samuel Hikspoors and Sebastian Jaimungal a  

E-Print Network [OSTI]

Energy Spot Price Models and Spread Options Pricing Samuel Hikspoors and Sebastian Jaimungal In this article, we construct forward price curves and value a class of two asset exchange options for energy the implied market prices of risk for this commodity. 1. Introduction The energy commodity markets

Jaimungal, Sebastian

150

THE VALUATION OF CLEAN SPREAD OPTIONS: LINKING ELECTRICITY, EMISSIONS RENE CARMONA, MICHAEL COULON, AND DANIEL SCHWARZ  

E-Print Network [OSTI]

on CO2 by the regulation should be included in the costs of production to set the price of electricity which can be run when it is profitable to do so (namely when the price of electricity is greater thanTHE VALUATION OF CLEAN SPREAD OPTIONS: LINKING ELECTRICITY, EMISSIONS AND FUELS REN´E CARMONA

Carmona, Rene

151

Neogene uplift of central eastern Patagonia: Dynamic response to active spreading ridge subduction?  

E-Print Network [OSTI]

Neogene uplift of central eastern Patagonia: Dynamic response to active spreading ridge subduction in subduction. This migration resulted in the opening of an asthenospheric window below Patagonia, inducing ridge subduction may have exerted a major control on the Neogene dynamics of Patagonia. Citation

Husson, Laurent

152

Modeling the Spread of Methicillin-Resistant Staphylococcus aureus in Nursing Homes for Elderly  

E-Print Network [OSTI]

, United States of America Abstract Methicillin-resistant Staphylococcus aureus (MRSA) is endemic in many deterministic and stochastic frameworks is used to study dissemination of MRSA among residents and HCWs, persistence and prevalence of MRSA in a population, and possible means of controlling the spread

Ruan, Shigui

153

The Point Spread Function of the Human Head and its Implications for Transcranial Current  

E-Print Network [OSTI]

The Point Spread Function of the Human Head and its Implications for Transcranial Current distribution in the head resulting from the application of scalp currents. Derivation of forward models has represented a major effort in brain stimulation research, with model complexity ranging from spherical shells

Parra, Lucas C.

154

The Power of a Good Idea: Quantitative Modeling of the Spread of Ideas from Epidemiological Models  

SciTech Connect (OSTI)

The population dynamics underlying the diffusion of ideas hold many qualitative similarities to those involved in the spread of infections. In spite of much suggestive evidence this analogy is hardly ever quantified in useful ways. The standard benefit of modeling epidemics is the ability to estimate quantitatively population average parameters, such as interpersonal contact rates, incubation times, duration of infectious periods, etc. In most cases such quantities generalize naturally to the spread of ideas and provide a simple means of quantifying sociological and behavioral patterns. Here we apply several paradigmatic models of epidemics to empirical data on the advent and spread of Feynman diagrams through the theoretical physics communities of the USA, Japan, and the USSR in the period immediately after World War II. This test case has the advantage of having been studied historically in great detail, which allows validation of our results. We estimate the effectiveness of adoption of the idea in the three communities and find values for parameters reflecting both intentional social organization and long lifetimes for the idea. These features are probably general characteristics of the spread of ideas, but not of common epidemics.

Bettencourt, L. M. A. (LANL); Cintron-Arias, A. (Cornell University); Kaiser, D. I. (MIT); Castillo-Chavez, C. (Arizona State University)

2005-05-05T23:59:59.000Z

155

Asymmetry in Directional Spreading Function of Random Waves due to Refraction  

E-Print Network [OSTI]

for deep water conditions. Analytic directional spreading functions take the form cos2 - p Pierson et al. Introduction Water waves generated by the wind are multidirectional random waves. The wave energy increases, 1970 , the Joint North Sea Wave Project JONSWAP spectrum Hassel- mann et al. 1973 , and the TEXEL storm

Haller, Merrick

156

DOCUMENTS DE TRAVAIL -WORKING PAPERS The spread of international financial shocks to Asean  

E-Print Network [OSTI]

to Asean countries Céline Gimet Décembre 2009 GATE Groupe d'Analyse et de Théorie �conomique UMR 5824 du;1 The spread of international financial shocks to Asean countries Céline Gimet1 November 2009 ABSTRACT This article focuses on the reaction of Asean economies to international financial shocks. The crises

Paris-Sud XI, Université de

157

A Spreading Activation Framework for Ontology-enhanced Adaptive Information Access  

E-Print Network [OSTI]

A Spreading Activation Framework for Ontology-enhanced Adaptive Information Access Md Maruf Hasan for Ontology-enhanced Adaptive Information Access Md Maruf Hasan, Enrico Motta, John B. Domingue, Simon Keynes, MK7 6AA, United Kingdom {m.m.hasan, e.motta, j.b.domingue, s.buckingham.sham, m.vargas-vera, m

158

The explosive outbreak and intercontinental spread of Severe Acute Respiratory Syndrome (SARS) shows  

E-Print Network [OSTI]

The explosive outbreak and intercontinental spread of Severe Acute Respiratory Syndrome (SARS (Mills and Childs 1998). Monkeypox, hantavirus pulmonary syndrome (HPS), Lassa fever, Argentine evidence for top-down regulation of zoonotic disease reservoirs Richard S Ostfeld1 and Robert D Holt2

159

Spreading of Viscous Fluid Drops on a Solid Substrate Assisted by Thermal Fluctuations Benny Davidovitch,1  

E-Print Network [OSTI]

on a solid substrate, taking into account the effects of thermal fluctuations in the fluid momentum. A nonlinear stochastic lubrication equation is derived and studied using numerical simulations and scaling, 68.08.Bc, 68.15.+e Water drops spreading on a table and oil drops lubricat- ing a pan are two common

Moro, Esteban

160

Code-Red: a case study on the spread and victims of an Internet worm  

E-Print Network [OSTI]

Code-Red: a case study on the spread and victims of an Internet worm David Moore, Colleen Shannon infected with the Code- Red (CRv2) worm in less than 14 hours. The cost of this epidemic, including subsequent strains of Code-Red, is es- timated to be in excess of $2.6 billion. Despite the global damage

Somayaji, Anil

Note: This page contains sample records for the topic "wide spread multiple" 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

The Effect of Rumor Spreading in Reputation Systems for Mobile Ad-hoc Networks  

E-Print Network [OSTI]

The Effect of Rumor Spreading in Reputation Systems for Mobile Ad-hoc Networks Sonja Buchegger IBM EPFL-DSC CH-1015 Lausanne, Switzerland jean-yves.leboudec@epfl.ch Abstract: Mobile ad-hoc networks rely- liciously pose a threat to availability in mobile ad- hoc networks. Several approaches have been pro- posed

Paris-Sud XI, Université de

162

40 Cognitive Science class intervals that are equally spread across the data  

E-Print Network [OSTI]

40 Cognitive Science class intervals that are equally spread across the data range. For example and geographic visualization. Englewood Cliffs, NJ: PearsonJPrentice Hall. COGNITIVE SCIENCE Cognitive science. Cognition includes perception, thinking, learning, memory, reasoning and problem solving, and linguistic

Montello, Daniel R.

163

Spreading of a granular mass on a horizontal plane E. Lajeunesse  

E-Print Network [OSTI]

a of the granular cylinder pile, the properties of the underlying substrate smooth or rough, rigid or erodible properties or the bead size. Moreover the rescaled deposit radius, the rescaled spreading velocity surrounded by a less dense intergranular fluid such as water or gas.1,2 The volumetric concentration

Lajeunesse, Eric

164

Evaluation and Tuning of Model Trajectories and Spreading Rates in the Baltic Sea Using  

E-Print Network [OSTI]

Stockholm, Sweden e-mail: joakim@misu.su.se K. Döös e-mail: doos@misu.su.se T. Soomere Wave Engineering. The initial spreading, up to a distance of about d = 100­150 m, is governed by the power law d t0.27 whereas

Döös, Kristofer

165

Energy Loss and Energy Spread Growth in a Planar Undulator(LCC-0086)  

SciTech Connect (OSTI)

The change in beam energy spread due to transmission through a long, planar undulator is calculated. This change is shown to be gaussian as expected from the central limit theorem and large number of photons emitted per electron. These results are compared with Saldin et al. [2] expressions. Numerical results for the case of the TESLA beam and for an NLC beam are given.

Sheppard, J

2003-10-07T23:59:59.000Z

166

88 2008 USDA Research Forum on Invasive Species AN ASSESSMENT OF SIREX NOCTILIO SPREAD AND  

E-Print Network [OSTI]

-FBM biophysical component simulates the spread of invading organism, forest biomass growth, timber yields AND POTENTIAL IMPACTS ON PINE WOOD SUPPLY AND HARVESTS IN EASTERN CANADA Denys Yemshanov1 , Daniel W. McKenney1 Forest Service, Great Lakes Forestry Centre 1219 Queen St. East, Sault Ste. Marie, ON, P6A 2E5 Canada 2 U

167

Hydrothermal venting in magma deserts: The ultraslow-spreading Gakkel and Southwest Indian Ridges  

E-Print Network [OSTI]

and direct cooling of the upper mantle, and nonmagmatic heat supplied by exothermic serpentinization of spreading rate, establish a robust linear trend (Fs = 0.98 + 0.015us), implying that the long-term heat supply is the first-order control on the global distribution of hydrothermal activity. Normalizing Fs

Langmuir, Charles H.

168

Proceedings of the Sudden Oak Death Fifth Science Symposium Reducing the Spread of Phytophthora ramorum  

E-Print Network [OSTI]

Proceedings of the Sudden Oak Death Fifth Science Symposium 141 Reducing the Spread of Phytophthora on the Rogue River-Siskiyou National Forest was found infected with Phytophthora ramorum. The trail University. Phytophthora ramorum was recovered from at least one of the 11 samples on all occasions except

Standiford, Richard B.

169

Dispersed Repetitive DNA Has Spread to New Genomes Since Polyploid Formation in Cotton  

E-Print Network [OSTI]

Dispersed Repetitive DNA Has Spread to New Genomes Since Polyploid Formation in Cotton Xin recently formed polyploid, cotton (Gossypium barbadense L.; AD genome), 83 non-cross-hybridizing DNA clones tetraploid cotton. In tetraploid cotton, FISH analysis showed that some A-genome dispersed repeats appear

Wendel, Jonathan F.

170

Sensor and model integration for the rapid prediction of concurrent flow flame spread   

E-Print Network [OSTI]

Fire Safety Engineering is required at every stage in the life cycle of modern-day buildings. Fire safety design, detection and suppression, and emergency response are all vital components of Structural Fire Safety but are usually perceived...Issues of accuracy aside, these models demand heavy resources and computational time periods that are far greater than the time associated with the processes being simulated. To be of use to emergency responders, the output would need to be produced faster than the event itself with lead time to enable planning of an intervention strategy. Therefore in isolation, model output is not robust or fast enough to be implemented in an emergency response scenario. The concept of super-real time predictions steered by measurements is studied in the simple yet meaningful scenario of concurrent flow flame spread. Experiments have been conducted with PMMA slabs to feed sensor data into a simple analytical model. Numerous sensing techniques have been adapted to feed a simple algebraic expression from the literature linking flame spread, flame characteristics and pyrolysis evolution in order to model upward flame spread. The measurements are continuously fed to the computations so that projections of the flame spread velocity and flame characteristics can be established at each instant in time, ahead of the real flame. It was observed that as the input parameters in the analytical models were optimised to the scenario, rapid convergence between the evolving experiment and the predictions was attained....

Cowlard, Adam

171

Multiple layer insulation cover  

DOE Patents [OSTI]

A multiple layer insulation cover for preventing heat loss in, for example, a greenhouse, is disclosed. The cover is comprised of spaced layers of thin foil covered fabric separated from each other by air spaces. The spacing is accomplished by the inflation of spaced air bladders which are integrally formed in the cover and to which the layers of the cover are secured. The bladders are inflated after the cover has been deployed in its intended use to separate the layers of the foil material. The sizes of the material layers are selected to compensate for sagging across the width of the cover so that the desired spacing is uniformly maintained when the cover has been deployed. The bladders are deflated as the cover is stored thereby expediting the storage process and reducing the amount of storage space required.

Farrell, James J. (Livingston Manor, NY); Donohoe, Anthony J. (Ovid, NY)

1981-11-03T23:59:59.000Z

172

AM with Multiple Merlins  

E-Print Network [OSTI]

We introduce and study a new model of interactive proofs: AM(k), or Arthur-Merlin with k non-communicating Merlins. Unlike with the better-known MIP, here the assumption is that each Merlin receives an independent random challenge from Arthur. One motivation for this model (which we explore in detail) comes from the close analogies between it and the quantum complexity class QMA(k), but the AM(k) model is also natural in its own right. We illustrate the power of multiple Merlins by giving an AM(2) protocol for 3SAT, in which the Merlins' challenges and responses consist of only n^{1/2+o(1)} bits each. Our protocol has the consequence that, assuming the Exponential Time Hypothesis (ETH), any algorithm for approximating a dense CSP with a polynomial-size alphabet must take n^{(log n)^{1-o(1)}} time. Algorithms nearly matching this lower bound are known, but their running times had never been previously explained. Brandao and Harrow have also recently used our 3SAT protocol to show quasipolynomial hardness for approximating the values of certain entangled games. In the other direction, we give a simple quasipolynomial-time approximation algorithm for free games, and use it to prove that, assuming the ETH, our 3SAT protocol is essentially optimal. More generally, we show that multiple Merlins never provide more than a polynomial advantage over one: that is, AM(k)=AM for all k=poly(n). The key to this result is a subsampling theorem for free games, which follows from powerful results by Alon et al. and Barak et al. on subsampling dense CSPs, and which says that the value of any free game can be closely approximated by the value of a logarithmic-sized random subgame.

Scott Aaronson; Russell Impagliazzo; Dana Moshkovitz

2014-01-27T23:59:59.000Z

173

Spark Spread  

Gasoline and Diesel Fuel Update (EIA)

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) " ,"ClickPipelines About U.S. NaturalA. Michael Schaal Director, Oil and GasEfficiency06,Setting-P.Spark

174

Was Grand Banks event of 1929 a slump spreading in two directions? M.D. Trifunaca,*, A. Hayira,b  

E-Print Network [OSTI]

analyses of tsunami propagation. Recently, we investigated the complexities of the water wave motion describes a kinematic model of tsunami generated by submarine slides and slumps spreading in two orthogonal, determined by the velocities of spreading. This kinematic model is used to interpret the asymmetric

Southern California, University of

175

Early India-Australia spreading history revealed by newly detected Mesozoic magnetic anomalies in the Perth Abyssal Plain  

E-Print Network [OSTI]

Early India-Australia spreading history revealed by newly detected Mesozoic magnetic anomalies Abyssal Plain (PAP), offshore Western Australia, is the only section of crust that directly records the early spreading history between India and Australia during the Mesozoic breakup of Gondwana. However

Granot, Roi

176

A microscopic model for thin lm spreading Douglas B. Abraham 1 , Rodolfo Cuerno 2 , and Esteban Moro 1  

E-Print Network [OSTI]

A microscopic model for thin #12;lm spreading Douglas B. Abraham 1 , Rodolfo Cuerno 2 , and Esteban-temporal uc- tuations of the precursor #12;lm observed in spreading experiments. Matter is transported both;lm about one molecule thick; this can be followed laterally out to an extension of the order of 10 7

Moro, Esteban

177

ECONOMIC IMPACTS OF A WIDE AREA RELEASE OF ANTHRAX  

E-Print Network [OSTI]

ECONOMIC IMPACTS OF A WIDE AREA RELEASE OF ANTHRAX May 2009 Prepared Regional Technology Center for Homeland Security Economic Impacts of a Wide Area Release of Anthrax KS .................................................................................................................................................. 1 Categories of Economic Impacts

178

Advanced applications in wide-area impedance sensing  

E-Print Network [OSTI]

In this thesis a wide-area impedance sensor used in hyperspectral imaging for a wide variety of applications is presented. Building on previous work, this sensor is decoupled from fluorescent lamps and thus is used to ...

George, Elizabeth C. (Elizabeth Christine)

2014-01-01T23:59:59.000Z

179

Benefits of Site-wide NEPA National Environmental Policy Act...  

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

Benefits of Site-wide NEPA National Environmental Policy Act Review (1994) Benefits of Site-wide NEPA National Environmental Policy Act Review (1994) The purpose of this guidance...

180

The resonance absorption probability function for neutron and multiplicative integral  

E-Print Network [OSTI]

The analytical approximations for the moderating neutrons flux density like Fermi spectra, widely used in reactor physics, involve the probability function for moderating neutron to avoid the resonant absorption obtained using some restrictive assumptions regarding the acceptable resonances width. By means of multiplicative integral (Volterra integral) theory for a commutative algebra an analytical expression for the probability function is obtained rigorously without any restrictive assumptions.

V. D. Rusov; V. A. Tarasov; S. I. Kosenko; S. A. Chernegenko

2012-08-05T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

World Wide Web Internet and Web Information Systems  

E-Print Network [OSTI]

1 23 World Wide Web Internet and Web Information Systems ISSN 1386-145X World Wide Web DOI 10's request, provided it is not made publicly available until 12 months after publication. #12;World Wide Web worlds. Its detection is a typical use case of the broad-based Wisdom Web of Things (W2T) methodology

Cao, Longbing

182

A Hierarchy of Linear Threshold Models for the Spread of Political Revolutions on Social Networks  

E-Print Network [OSTI]

We study a linear threshold agent-based model (ABM) for the spread of political revolutions on social networks using empirical network data. We propose new techniques for building a hierarchy of simplified ordinary differential equation (ODE) based models that aim to capture essential features of the ABM, including effects of the actual networks, and give insight in the parameter regime transitions of the ABM. We relate the ABM and the hierarchy of models to a population-level compartmental ODE model that we proposed previously for the spread of political revolutions [1], which is shown to be mathematically consistent with the proposed ABM and provides a way to analyze the global behaviour of the ABM. This consistency with the linear threshold ABM also provides further justification a posteriori for the compartmental model of [1]. Extending concepts from epidemiological modelling, we define a basic reproduction number $R_0$ for the linear threshold ABM and apply it to predict ABM behaviour on empirical networ...

Lang, John C

2015-01-01T23:59:59.000Z

183

Assessment of Pollutant Spread from a Building Basement with three Ventilation Systems  

E-Print Network [OSTI]

Ventilation aims at providing a sufficient air renewal for ensuring a good indoor air quality (IAQ), yet building energy policies are leading to adapting various ventilation strategies minimising energy losses through air renewal. A recent IAQ evaluation campaign in French dwellings shows important pollution of living spaces by VOCs such as formaldehyde, acetaldehyde or hexanal, particularly in buildings equipped with a garage. Besides, radon emission from soil is a subject of concern in many countries. Several studies are done to understand its release mode and deal with the spread of this carcinogen gas. This paper aims to experimentally assess a contaminant spread from a house basement using mechanical exhaust and balanced ventilation systems, and natural ventilation.

Koffi, Juslin

2010-01-01T23:59:59.000Z

184

Modelling of Infrared emission from Cyg X3 and the UKIRT IRCAM3 point spread function  

E-Print Network [OSTI]

in order to test for any extended emission around the X­ray binary Cyg X­3. We found that the point spread ranging from 12 magnitude (Cyg X­3) to 18th mag for some of the faintest stars. The positions of the stars instrument. 2 #12; 2.1 k­band image The k­band image, figure 2 or the finder chart provided by Fender (Fender

Ogley, Richard

185

Spreading of molten corium in MK I geometry following vessel melt-through  

SciTech Connect (OSTI)

For Mk I boiling water reactor severe-accident sequences in which molten corium is postulated to melt through the reactor pressure vessel (RPV) lower head, an important question concerns the relocation of the corium material that drains from the vessel. After filling the sump pits located in the pedestal concrete floor beneath the RPV, the molten corium that collects on the pedestal floor is generally free to flow through the doorway, which provides personnel access to the pedestal, and to spread out over the concrete floor in the annular region between the pedestal wall and the steel liner of the containment shell. A significant issue is whether the corium, after exiting the doorway, can spread under gravity all the way to the liner where thermal attack on the liner steel might be postulated to occur. A computer code (MELTSPREAD) has been developed to investigate the spreading dynamics and thermal interactions of a molten corium layer flowing horizontally over an ablating concrete substrate that may be initially covered with water. The principal objective is to predict, for specific conditions of corium composition, mass, and temperature, the lateral penetration of the corium that drains from a localized hole in the lower head immediately following RPV failure.

Sienicki, J.J.; Farmer, M.T.; Spencer, B.W.

1988-01-01T23:59:59.000Z

186

On compensating tune spread induced by space charge in bunched beams  

SciTech Connect (OSTI)

Space charge effects play significant role in modern-day accelerators. These effects frequently constrain attainable beam parameters in an accelerator, or, in an accelerator chain. They also could limit the luminosity of hadron colliders operating either at low energies or with a sub-TeV high brightness hadron beams. The latter is applied for strongly cooled proton and ion beams in eRHIC – the proposed future electron-ion collider at Brookhaven National Laboratory. A number of schemes for compensating space charge effects in a coasting (e.g. continuous) hadron beam were proposed and some of them had been tested. Using a proper transverse profile of the electron beam (or plasma column) for a coasting beam would compensate both the tune shift and the tune spread in the hadron beam. But all of these methods do not address the issue of tune spread compensation of a bunched hadron beam, e.g. the tune shift dependence on the longitudinal position inside the bunch. In this paper we propose and evaluate a novel idea of using a co-propagating electron bunch with miss-matched longitudinal velocity to compensate the space charge induced tune-shift and tune spread. We present a number of practical examples of such system.

Litvinenko, V. N.; Wang, G.

2014-05-09T23:59:59.000Z

187

Evidence of thermonuclear flame spreading on neutron stars from burst rise oscillations  

E-Print Network [OSTI]

Burst oscillations during the rising phases of thermonuclear X-ray bursts are usually believed to originate from flame spreading on the neutron star surface. However, the decrease of fractional oscillation amplitude with rise time, which provides a main observational support for the flame spreading model, have so far been reported from only a few bursts. Moreover, the non-detection and intermittent detections of rise oscillations from many bursts are not yet understood considering the flame spreading scenario. Here, we report the decreasing trend of fractional oscillation amplitude from an extensive analysis of a large sample of Rossi X-ray Timing Explorer Proportional Counter Array bursts from ten neutron star low-mass X-ray binaries. This trend is 99.99% significant for the best case, which provides, to the best of our knowledge, by far the strongest evidence of such trend. Moreover, it is important to note that an opposite trend is not found from any of the bursts. The concave shape of the fractional ampli...

Chakraborty, Manoneeta

2014-01-01T23:59:59.000Z

188

The nonlinear theory of slow-wave electron cyclotron masers with inclusion of the beam velocity spread  

SciTech Connect (OSTI)

The nonlinear theory of slow-wave electron cyclotron masers (ECM) with an initially straight electron beam is developed. The evolution equation of the nonlinear beam electron energy is derived. The numerical studies of the slow-wave ECM efficiency with inclusion of Gaussian beam velocity spread are presented. It is shown that the velocity spread reduces the interaction efficiency. -- Highlights: •The theory of slow-wave electron cyclotron masers is considered. •The calculation of efficiency under the resonance condition is presented. •The efficiency under Gaussian velocity spreads has been obtained.

Kong, Ling-Bao, E-mail: konglingbao@gmail.com [School of Science, Beijing University of Chemical Technology, Beijing 100029 (China) [School of Science, Beijing University of Chemical Technology, Beijing 100029 (China); Beijing Key Laboratory of Environmentally Harmful Chemicals Assessment, Beijing University of Chemical Technology, Beijing 100029 (China); Wang, Hong-Yu [School of Physics, Anshan Normal University, Anshan 114005 (China)] [School of Physics, Anshan Normal University, Anshan 114005 (China); Hou, Zhi-Ling, E-mail: houzl@mail.buct.edu.cn [School of Science, Beijing University of Chemical Technology, Beijing 100029 (China) [School of Science, Beijing University of Chemical Technology, Beijing 100029 (China); Beijing Key Laboratory of Environmentally Harmful Chemicals Assessment, Beijing University of Chemical Technology, Beijing 100029 (China); Jin, Hai-Bo [School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081 (China)] [School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081 (China); Du, Chao-Hai [Institute of Electronics, Chinese Academy of Sciences, Beijing 100190 (China)] [Institute of Electronics, Chinese Academy of Sciences, Beijing 100190 (China)

2013-12-15T23:59:59.000Z

189

V-092: Pidgin Multiple Vulnerabilities  

Broader source: Energy.gov [DOE]

Multiple vulnerabilities have been reported in Pidgin, which can be exploited by malicious people to manipulate certain data, cause a DoS (Denial of Service), and compromise a user's system.

190

Multiple Motivations Institutional Change Principle  

Broader source: Energy.gov [DOE]

The multiple motivations principle suggests that a portfolio approach—rather than a single strategy—may be required to achieve change. Research demonstrates that people and institutions adopt new...

191

The INEL beryllium multiplication experiment  

SciTech Connect (OSTI)

The experiment to measure the multiplication of 14-MeV neutrons in bulk beryllium has been completed. The experiment consists of determining the ratio of {sup 56}Mn activities induced in a large manganese bath by a central 14-MeV neutron source, with and without a beryllium sample surrounding the source. In the manganese bath method a neutron source is placed at the center of a totally-absorbing aqueous solution of MnSo{sub 4}. The capture of neutrons by Mn produces a {sup 56}Mn activity proportional to the emission rate of the source. As applied to the measurement of the multiplication of 14- MeV neutrons in bulk beryllium, the neutron source is a tritium target placed at the end of the drift tube of a small deuteron accelerator. Surrounding the source is a sample chamber. When the sample chamber is empty, the neutrons go directly to the surrounding MnSO{sub 4} solution, and produce a {sup 56}Mn activity proportional to the neutron emission rate. When the chamber contains a beryllium sample, the neutrons first enter the beryllium and multiply through the (n,2n) process. Neutrons escaping from the beryllium enter the bath and produce a {sup 56}Mn activity proportional to the neutron emission rate multiplied by the effective value of the multiplication in bulk beryllium. The ratio of the activities with and without the sample present is proportional to the multiplication value. Detailed calculations of the multiplication and all the systematic effects were made with the Monte Carlo program MCNP, utilizing both the Young and Stewart and the ENDF/B-VI evaluations for beryllium. Both data sets produce multiplication values that are in excellent agreement with the measurements for both raw and corrected values of the multiplication. We conclude that there is not real discrepancy between experimental and calculated values for the multiplication of neutrons in bulk beryllium. 12 figs., 11 tabs., 18 refs.

Smith, J.R.; King, J.J.

1991-03-01T23:59:59.000Z

192

Genome-wide association study of plasma lipoprotein(a) levels identifies multiple genes on chromosome 6q  

E-Print Network [OSTI]

Cusanovich,* Ying Sun,* Raluca Nicolae,* Celina Edelstein, Daniel H. Schneider,* Christine Billstrand,* Ditta) and circulates in the plasma as an LDL particle having as a protein moiety apolipoprotein(a) [apo(a)], encoded (5). While apolipoprotein B-100 remains relatively constant in size, apo(a) varies in size due

Abney, Mark

193

A note on the effects of nonuniform spreading velocity of submarine slumps and slides on the near-eld tsunami amplitudes  

E-Print Network [OSTI]

A note on the effects of nonuniform spreading velocity of submarine slumps and slides on the near Accepted 9 February 2002 Abstract The effects of variable speeds of spreading of submarine slides slides and slumps must consider time variations in the spreading velocities, when these velocities

Southern California, University of

194

Nonvolcanic seafloor spreading and corner-flow rotation accommodated by extensional faulting at 15N on the Mid-  

E-Print Network [OSTI]

mafic crust is constructed by volcanism and shallow magma intrusion (Figure 1a) [e.g., Sinton sections of intermediate- and slow- spreading ridges [Sinton and Detrick, 1992]. Non-

195

Effects of awareness diffusion and self-initiated awareness behavior on epidemic spreading - an approach based on multiplex networks  

E-Print Network [OSTI]

In this paper, we study the interplay between the epidemic spreading and the diffusion of awareness in multiplex networks. In the model, an infectious disease can spread in one network representing the paths of epidemic spreading (contact network), leading to the diffusion of awareness in the other network (information network), and then the diffusion of awareness will cause individuals to take social distances, which in turn affects the epidemic spreading. As for the diffusion of awareness, we assume that, on the one hand, individuals can be informed by other aware neighbors in information network, on the other hand, the susceptible individuals can be self-awareness induced by the infected neighbors in the contact networks (local information) or mass media (global information). Through Markov chain approach and numerical computations, we find that the density of infected individuals and the epidemic threshold can be affected by the structures of the two networks and the effective transmission rate of the awa...

Kan, Jia-Qian

2015-01-01T23:59:59.000Z

196

Russia's Wild Wild South: Two Tales of Economic Woes, Political Corruption and Spreading Insurgent Violence in Ingushetia and Dagestan  

E-Print Network [OSTI]

The Northern Caucasus has been a troubled region for the Russian Federation for nearly two decades. In the 1990s, two wars took place in Chechnya and violence spread into the neighboring republics of Ingushetia and Dagestan. ...

Grandstaff, John M.

2011-05-14T23:59:59.000Z

197

USFS West Wide Programmatic Environmental Impact Statement Record...  

Open Energy Info (EERE)

Programmatic Environmental Impact Statement Record of Decision Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: USFS West Wide...

198

Y-12 Final Site-Wide Environmental Impact Statement Approved...  

National Nuclear Security Administration (NNSA)

Final Site-Wide Environmental Impact Statement Approved | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission Managing the Stockpile...

199

EIS-0426: Site-Wide Environmental Impact Statement for Continued...  

Office of Environmental Management (EM)

Site-Wide Environmental Impact Statement for Continued Operation of the Department of Energy National Nuclear Security Administration Nevada National Security Site and Off-Site...

200

EIS-0426: Site-Wide Environmental Impact Statement for Continued...  

Energy Savers [EERE]

6: Site-Wide Environmental Impact Statement for Continued Operation of the Department of Energy National Nuclear Security Administration Nevada National Security Site and...

Note: This page contains sample records for the topic "wide spread multiple" 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

EA-1583: Final Site-wide Environmental Assessment | Department...  

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

Assessment EA-1583: Final Site-wide Environmental Assessment RMOTCNaval Petroleum Reserve No. 3 (October 2008) SUMMARY: The U.S. Departmem of Energy (DOE) is...

202

EA-1956: Site-Wide Environmental Assessment for the Divestiture...  

Energy Savers [EERE]

Assessment for the Divestiture of Rocky Mountain Oilfield Testing Center and Naval Petroleum Reserve No. 3, Natrona County, Wyoming EA-1956: Site-Wide Environmental Assessment...

203

EIS-0238: Draft Site-Wide Environmental Impact Statement  

Broader source: Energy.gov [DOE]

Draft Site-Wide Environmental Impact Statement on the Continued Operation of the Los Alamos National Laboratory, Los Alamos, New Mexico

204

Fair capacity sharing of multiple aperiodic servers  

E-Print Network [OSTI]

For handling multiple aperiodic tasks with different temporal requirements, multiple aperiodic servers are used. Since capacity is partitioned statically among the multiple servers, they suffer from heavy capacity exhaustions. Bernat and Burns...

Melapudi, Vinod Reddy

2002-01-01T23:59:59.000Z

205

A new statistical dispersion model for tracer tests and contaminant spread in porous media  

SciTech Connect (OSTI)

Dispersion of solutes moving in permeable media is an essential control to describe fluid flow in permeable media. Dispersion can be thought of as a spreading of a solute caused by the presence of microscopic inhomogeneities. An accurate model for dispersion is needed for accurate estimation of oil recovery efficiencies and clean up costs of subsurface contaminants. Current approaches utilizing the fickian assumption fall short in describing the real physics of spreading during a solute transport process. Numerous field investigations have shown that dispersivities measured in the field are much larger than those measured in the lab for the same type of porous material. Moreover, field measured dispersivities have been shown to be scale dependent, that is, a tracer test conducted over a longer travel path will yield a larger dispersivity value than a tracer test conducted in the same geologic formation over a shorter travel path. Numerous approaches to address this problem have been developed yet none attempted to go beyond the Fickian dispersion assumption. In this study, a convective dispersivity is introduced. New model assumes that dispersion is dimensionless and mainly determined by pore size distribution. The new model results in a spread that increases linearly with time contrary to conventional model, which predicts a mixing zone length that increases with square root of time. Therefore, new model explains the field test results that indicate increasing dispersivity with distance. The model validations are in perfect agreement with experimental results, which include; Ganapathy et al.`s slug experiment on Antolini sandstone, Handy`s radioactive tracer experiment on Alhambra sandstone, and CT experiment conducted at BDM-OK/NIPER facilities on Tallant sandstone.

Ates, H.; Kasap, E. [Univ. of Tulsa, OK (United States)

1995-12-31T23:59:59.000Z

206

The prevention of oil spreading on water by pneumatic bubble barrier  

E-Print Network [OSTI]

74 1 g RIVI 2 &RUN 3 ARUN 4 ARUN 5 SG =- 0. 85 0 H = 1. 0 T =. 20 ft TEST 8 ORUN 2 '+RUN 3 QRUN 4 SG = 0. 89 0 II = 1. 0 ft T = 2 0 ft V m: r. (5) SG = 0. 85 0 II = 7. 5 T = 7. 5 ft b, ok 0 0 QQ OO 0. 5 /y 0 0. 0 0. 0 0. 5 1... May 1971 Major Subject: Civil Engineering PREVENTION OF OIL SPREADING ON WATER BY PNEUMATIC BUBBLE BARRIER A Thesis by CECIL MICHAFL MCCLENAN Approved as to style and content by: hazrman of Committee Head of Departme n i(. ~aj ~m Member...

McClenan, Cecil Michael

1971-01-01T23:59:59.000Z

207

A fast model for spreading of neutral particles injected locally into hot plasma  

SciTech Connect (OSTI)

A fast model for calculation of non-stationary 3-D profiles of the density for neutral particles locally released into a hot plasma is elaborated. The approach reduces non-stationary three-dimensional transport equations to a set of one-dimensional ones describing the time evolution of the radial profiles for several parameters characterizing adequately the three-dimensional structure. The method is applied to model the spreading process of carbon atoms released by laser desorption in an experimental device and the local injection of working gas into a fusion reactor. The associated heat loads onto the first wall are assessed.

Tokar, M. Z. [Institut für Energie- und Klimaforschung - Plasmaphysik, Forschungszentrum Jülich GmbH, Trilateral Euregio Cluster, D-52425 Jülich (Germany)

2014-08-15T23:59:59.000Z

208

Spreading an Idea From the William Kamkwamba TED Talk | GE Global Research  

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 systemsBiSiteNeutron Scattering4 By I. Tudosa,Spreading an Idea From the

209

Modularization to Support Multiple Brand Platforms  

E-Print Network [OSTI]

Methods to determine acceptable architecture for multiple platforms supporting multiple brands must represent both platform cost saving commonization as well as revenue enhancing brand distinctions. Functional architecting ...

Agus, Sudjianto

2001-09-09T23:59:59.000Z

210

World Wide WebWWWDeep Web Web Deep Web  

E-Print Network [OSTI]

Deep Web Web World Wide WebWWWDeep Web Web Deep Web Deep Web Deep Web Deep Web Deep Web 1 World Wide Web [1] Web 200,000TB Web Web Web Internet Web Web Web "" Surface Web Deep Web Surface Web 21.3% Surface Web Deep Web [2] Deep Web Web Crawler Deep Web 1 Web

211

Conceptual design and comparison of aramid and polyester taut leg spread moorings for deepwater applications  

SciTech Connect (OSTI)

As the offshore industry looks beyond water depths of 3,000 ft for future oil and gas production, the industry standard steel catenary spread mooring (CSM) system used on all floating production systems installed to date becomes increasingly inefficient and costly. An alternative to the CSM is the Taut Leg Spread Mooring (TLSM) system with its characteristic short scope legs and vertically loaded anchors. In water depths greater than 3,000 ft, it has been shown that TLSMs comprised of synthetic mooring lines have performance advantages over systems utilizing steel wire rope and demonstrated potential for significant cost reductions. Early studies investigated the use of aramid fiber rope due to its high strength, lower in-water weight and lower axial stiffness as compared to ropes made from steel. Later studies indicated that the material properties of polyester fiber, primarily its lower Young`s modulus, made polyester mooring lines more suitable for use in TLSMs. As the TLSM knowledge base expanded, aramid rope construction evolved. Earlier efforts to match the characteristics of steel wire rope have given way to new generation soft aramid constructions. This paper compares the mooring performance and total installed cost of a soft aramid TLSM to a typical polyester configuration. Both systems were designed for use in the Gulf of Mexico (GOM) with an FPS based on the Aker P45.

Wilde, B.; Kelly, P.; Librino, F.; Whitehill, A.S.

1996-12-31T23:59:59.000Z

212

Numerical Realization of a Shell Model for Impurity Spreading in Plasmas  

SciTech Connect (OSTI)

In plasmas of fusion devices impurity particles are released as a consequence of wall erosion and are seeded deliberately for diverse purposes. Often they enter the plasma volume from small spots and spread away both along and perpendicular to the magnetic field. This process is described by continuity, motion and heat balance equations taking into account such physical processes as ionization by electrons, friction and heating in coulomb collisions with background ions, etc. In present paper we introduce a shell model where solutions of these equations, such as the densities of different impurity ions, are approximated by functions decaying exponentially from the source region due to the ionization into higher charged states. By integrating the original transport equations over several space regions, we get a set of ordinary differential equations describing the time evolution of the characteristic values for the impurity ion densities, fluxes, temperatures, and the dimensions along and across the magnetic field of the clouds where different states are predominantly localized. The equations obtained include time derivatives of complex non-linear combinations of the variables in question. Two numerical approaches to solve such equations are elaborated and compared by considering the spreading of lithium particles in deuterium plasma.

Tokar, M. Z.; Koltunov, M. [Institute for Energy and Climate Research-Plasma Physics, Research Center Juelich GmbH, Juelich, 52428 (Germany)

2011-09-14T23:59:59.000Z

213

Thermonuclear Flame Spreading on Rapidly Spinning Neutron Stars: Indications of the Coriolis Force?  

E-Print Network [OSTI]

Millisecond period brightness oscillations during the intensity rise of thermonuclear X-ray bursts are likely caused by an azimuthally asymmetric, expanding burning region on the stellar surface. The time evolution of the oscillation amplitude during the intensity rise encodes information on how the thermonuclear flames spread across the stellar surface. This process depends on properties of the accreted burning layer, surface fluid motions, and the surface magnetic field structure, and thus can provide insight into these stellar properties. We present two examples of bursts from different sources that show a decrease in oscillation amplitude during the intensity rise. Using theoretical modeling, we demonstrate that the observed amplitude evolution of these bursts is not well described by a uniformly expanding circular burning region. We further show that by including in our model the salient aspects of the Coriolis force (as described by Spitkovsky, Levin, and Ushomirsky) we can qualitatively reproduce the observed evolution curves. Our modeling shows that the evolutionary structure of burst oscillation amplitude is sensitive to the nature of flame spreading, while the actual amplitude values can be very useful to constrain some source parameters.

Sudip Bhattacharyya; Tod E. Strohmayer

2007-08-27T23:59:59.000Z

214

Interactive Multiple Scale Small Multiples Andrew S. Forsberg  

E-Print Network [OSTI]

-dependent, include thousands of time steps, and have multiple fields. While mathematical modeling helps users? Motivated by the complex data generated from bat flight simulations in a wind tunnel [8], we designed datasets (e.g., kinematics, anatomical structures, and the wake structure behind bat wings). The views

Laidlaw, David

215

Multiple resonant railgun power supply  

DOE Patents [OSTI]

A multiple repetitive resonant railgun power supply provides energy for repetitively propelling projectiles from a pair of parallel rails. A plurality of serially connected paired parallel rails are powered by similar power supplies. Each supply comprises an energy storage capacitor, a storage inductor to form a resonant circuit with the energy storage capacitor and a magnetic switch to transfer energy between the resonant circuit and the pair of parallel rails for the propelling of projectiles. The multiple serial operation permits relatively small energy components to deliver overall relatively large amounts of energy to the projectiles being propelled.

Honig, E.M.; Nunnally, W.C.

1985-06-19T23:59:59.000Z

216

Flexible application driven network striping over Wireless Wide Area Networks  

E-Print Network [OSTI]

Inverse multiplexing, or network striping, allows the construction of a high-bandwidth virtual channel from a collection of multiple low-bandwidth network channels. Striping systems usually employ a packet scheduling policy ...

Qureshi, Asfandyar

2005-01-01T23:59:59.000Z

217

The Inexorable Spread of a Newly Arisen Neo-Y Paris Veltsos, Irene Keller  

E-Print Network [OSTI]

of London to PV. Competing Interests: The authors have declared that no competing interests exist. * E, mammals and plants [3­8]. For example, it is widely documented that over a series of generations, a Y

218

Multiple reflection solar energy absorber  

SciTech Connect (OSTI)

A method of converting solar energy into heat energy thereby generating power is described comprising the steps: (a) focusing said solar energy by means of a primary concentrator, (b) concentrating said solar energy from said primary concentrator by means of a secondary concentrator located at the focal point of said primary concentrator, (c) slowing the flux of said solar energy from said secondary concentrator by means of a multiple reflection chamber attached to the rear aperture of the secondary concentrator, (d) circulating a working fluid by means of a working fluid delivery tube into said secondary concentrator and said multiple reflection chamber, (e) absorbing said solar energy into said working fluid by means of an ultra high concentration of said solar energy in said multiple reflection chamber, (f) insulating said working fluid by means of a surrounding thermal barrier, (g) exhausting the heat working fluid by means as of a nozzle joined to said multiple reflection chamber, (h) replacing said working fluid by means of a working fluid delivery tube, thereby completing a cycle for generating power.

Cooley, W.L.

1993-06-01T23:59:59.000Z

219

6, 81258154, 2006 Multiple scattering  

E-Print Network [OSTI]

ACPD 6, 8125­8154, 2006 Multiple scattering effects for Cloudsat A. Battaglia et al. Title Page A. Battaglia1 , M. O. Ajewole2 , and C. Simmer3 1 Meteorological Institute, University of Bonn, Bonn: 28 August 2006 Correspondence to: A. Battaglia (batta@uni-bonn.de) 8125 #12;ACPD 6, 8125­8154, 2006

Boyer, Edmond

220

Multiple phase estimation in quantum cloning machines  

E-Print Network [OSTI]

Since the initial discovery of the Wootters-Zurek no-cloning theorem, a wide variety of quantum cloning machines have been proposed aiming at imperfect but optimal cloning of quantum states within its own context. Remarkably, most previous studies have employed the Bures fidelity or the Hilbert-Schmidt norm as the figure of merit to characterize the quality of the corresponding cloning scenarios. However, in many situations, what we truly care about is the relevant information about certain parameters encoded in quantum states. In this work, we investigate the multiple phase estimation problem in the framework of quantum cloning machines, from the perspective of quantum Fisher information matrix (QFIM). Focusing on the generalized d-dimensional equatorial states, we obtain the analytical formulas of QFIM for both universal quantum cloning machine (UQCM) and phase-covariant quantum cloning machine (PQCM), and prove that PQCM indeed performs better than UQCM in terms of QFIM. We highlight that our method can be generalized to arbitrary cloning schemes where the fidelity between the single-copy input and output states is input-state independent. Furthermore, the attainability of the quantum Cramer-Rao bound is also explicitly discussed.

Yao Yao; Li Ge; Xing Xiao; Xiao-guang Wang; Chang-pu Sun

2014-07-22T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Department-wide Quick Reaction Work Order System  

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

To describe the new Department Wide Quick Reaction Work Order System, to establish the criteria and procedures for its use, and to identify responsibilities for managing and operating the system.

1981-03-12T23:59:59.000Z

222

Snap: Robust Tool for Internet-wide Operating System Fingerprinting  

E-Print Network [OSTI]

SNAP: ROBUST TOOL FOR INTERNET-WIDE OPERATING SYSTEM FINGERPRINTING A Thesis by ANKUR BHARATBHUSHAN NANDWANI Submitted to the O?ce of Graduate Studies of Texas A&M University in partial fulflllment of the requirements for the degree... of MASTER OF SCIENCE December 2010 Major Subject: Computer Science SNAP: ROBUST TOOL FOR INTERNET-WIDE OPERATING SYSTEM FINGERPRINTING A Thesis by ANKUR BHARATBHUSHAN NANDWANI Submitted to the O?ce of Graduate Studies of Texas A&M University...

Nandwani, Ankur Bharatbhushan

2012-02-14T23:59:59.000Z

223

Demonstration of nonlinear-energy-spread compensation in relativistic electron bunches with corrugated structures  

E-Print Network [OSTI]

High quality electron beams with flat distributions in both energy and current are critical for many accelerator-based scientific facilities such as free-electron lasers and MeV ultrafast electron diffraction and microscopes. In this Letter we report on using corrugated structures to compensate for the beam nonlinear energy chirp imprinted by the curvature of the radio-frequency field, leading to a significant reduction in beam energy spread. By using a pair of corrugated structures with orthogonal orientations, we show that the quadrupole wake fields which otherwise increase beam emittance can be effectively canceled. This work also extends the applications of corrugated structures to the low beam charge (a few pC) and low beam energy (a few MeV) regime and may have a strong impact in many accelerator-based facilities.

Fu, Feichao; Zhu, Pengfei; Zhao, Lingrong; Jiang, Tao; Lu, Chao; Liu, Shengguang; Shi, Libin; Yan, Lixin; Deng, Haixiao; Feng, Chao; Gu, Qiang; Huang, Dazhang; Liu, Bo; Wang, Dong; Wang, Xingtao; Zhang, Meng; Zhao, Zhentang; Stupakov, Gennady; Xiang, Dao; Zhang, Jie

2015-01-01T23:59:59.000Z

224

Similarity solutions and applications to turbulent upward flame spread on noncharring materials  

SciTech Connect (OSTI)

The primary achievement in this work has been the discovery that turbulent upward flame spread on noncharring materials (for pyrolysis lengths less than 1.8m) can be directly predicted by using measurable flammability parameters. These parameters are: a characteristic length scale which is proportional to a turbulent combustion and mixing related length scale parameter ({dot q}{double_prime}{sub net}({Delta}H{sub c}/{Delta}H{sub v})){sup 2}, a pyrolysis or ignition time {tau}{sub p}, and a parameter which determines the transient pyrolysis history of a non-charring material: {lambda} = L/c{Delta}T{sub p} = ratio of the latent heat to the sensible heat of the pyrolysis temperature of the material. In the length scale parameter, {dot q}{double_prime}{sub net} is the total net heat flux from the flames to the wall (i.e., total heat flux minus reradiation losses), {Delta}H{sub c} is the heat of combustion and {Delta}H{sub v} is an effective heat of gasification for the material. The pyrolysis or ignition time depends (for thermally thick conditions) on the material thermal inertia, the pyrolysis temperature, and the total heat flux from the flames to the wall, {dot q}{double_prime}{sub fw}. The present discovery was made possible by using both a numerical simulation, developed earlier, and exact similarity solutions, which are developed in this work. The predictions of the analysis have been validated by comparison with upward flame spread experiments on PMMA.

Delichatsios, M.A.; Delichatsios, M.; Chen, Y. [Factory Mutual Research Corporation, Norwood, MA (United States)] [Factory Mutual Research Corporation, Norwood, MA (United States); Hasemi, Y. [Ministry of Construction, Tsukuba (Japan). Building Research Inst.] [Ministry of Construction, Tsukuba (Japan). Building Research Inst.

1995-08-01T23:59:59.000Z

225

The proliferation of functions: multiple systems playing multiple roles in multiple super systems  

E-Print Network [OSTI]

 played by any given system are represented by the  function analysis diagram (Aurisicchio, Bracewell, & Armstrong, 2013;  Devoino et al., 1997). Here, components of a system are connected to each  other through the effect that one has on the other. Components can affect  multiple...

Crilly, Nathan

2014-07-14T23:59:59.000Z

226

CHARGED PARTICLE MULTIPLICITIES AT BRAHMS.  

SciTech Connect (OSTI)

This report presents the measurement of charged particle multiplicity densities dN/d{eta} in ultrarelativistic heavy ion collisions as function of {eta} and the centrality of the collisions. This distributions were extracted from data collected by the BRAHMS collaboration during the first RHK run with gold ions at {radical}s{sub NN} = 130A {center_dot} GeV. The analysis method is described and, results are compared to some model predictions.

DEBBE, R., FOR THE BRAHMS COLLABORATION

2001-07-30T23:59:59.000Z

227

FORESTRY 347 MULTIPLE RESOURCE SILVICULTURE  

E-Print Network [OSTI]

FORESTRY 347 MULTIPLE RESOURCE SILVICULTURE Autumn 2008 Instructor: John Goodburn Office: Rm. 409 Science Complex Telephone: 243-4295 Email: goodburn@forestry.umt.edu Office hours: Mon. 3:00 - 5:00 pm.m. Rm. 301 Forestry Bldg. Lab/Field Work Wed or Thur. 2:10 - 6:00 p.m. In Field or Rm. 106 (W) & 206(H

Vonessen, Nikolaus

228

Supporting Multiple Workloads, Batch Systems,  

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 AdministrationcontrollerNanocrystalline Gallium OxideSuminDepositionSupplierSupporting Multiple

229

The Impact of Wide-Scale Implementation of Net Zero-Energy Homes on the Western Grid  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory conducted a study on the impact of wide-scale implementation of net zero-energy homes (ZEHs) in the western grid. Although minimized via utilization of advanced building technologies, ZEHs still consume energy that must be balanced on an annual basis via self-generation of electricity which is commonly assumed to be from rooftop photovoltaics (PV). This results in a ZEH having a significantly different electricity demand profile than a conventional home. Wide-spread implementation of ZEHs will cause absolute demand levels to fall compared to continued use of more conventional facilities; however, the shape of the demand profile will also change significantly. Demand profile changes will lead to changes in the hourly value of electric generation. With significant penetration of ZEHs, it can be expected that ZEHs will face time of day rates or real time pricing that reflect the value of generation and use. This will impact the economics of ZEHs and the optimal design of PV systems for subsequent ZEHs.

Dirks, James A.

2010-08-16T23:59:59.000Z

230

Status of the MELTSPREAD-1 computer code for the analysis of transient spreading of core debris melts  

SciTech Connect (OSTI)

A transient, one dimensional, finite difference computer code (MELTSPREAD-1) has been developed to predict spreading behavior of high temperature melts flowing over concrete and/or steel surfaces submerged in water, or without the effects of water if the surface is initially dry. This paper provides a summary overview of models and correlations currently implemented in the code, code validation activities completed thus far, LWR spreading-related safety issues for which the code has been applied, and the status of documentation for the code.

Farmer, M.T.; Sienicki, J.J.; Spencer, B.W.; Chu, C.C.

1992-01-01T23:59:59.000Z

231

Status of the MELTSPREAD-1 computer code for the analysis of transient spreading of core debris melts  

SciTech Connect (OSTI)

A transient, one dimensional, finite difference computer code (MELTSPREAD-1) has been developed to predict spreading behavior of high temperature melts flowing over concrete and/or steel surfaces submerged in water, or without the effects of water if the surface is initially dry. This paper provides a summary overview of models and correlations currently implemented in the code, code validation activities completed thus far, LWR spreading-related safety issues for which the code has been applied, and the status of documentation for the code.

Farmer, M.T.; Sienicki, J.J.; Spencer, B.W.; Chu, C.C.

1992-04-01T23:59:59.000Z

232

Spatial Interference Mitigation for Multiple Input Multiple Output Ad Hoc Networks: MISO Gains  

E-Print Network [OSTI]

Spatial Interference Mitigation for Multiple Input Multiple Output Ad Hoc Networks: MISO Gains beamforming for a multiple input single output (MISO) ad hoc network to increase the density of successful

Paris-Sud XI, Université de

233

V-094: IBM Multiple Products Multiple Vulnerabilities | Department of  

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 EnergyEnergyENERGYWomen Owned SmallOf The 2012Nuclear Guide Remote Access08:Energy 94: IBM Multiple

234

Keywords: Copyright Protection, Digital Watermark, Spread Spectrum, A Secure Robust Digital Image Watermark  

E-Print Network [OSTI]

is also outlined. 1. INTRODUCTION Digital media have become common and haveincreasingly taken overand have for favoring digital media. Infrastructure such as computers, printers and high rate digital transmission an ecient cost-eective means of distributing digital media. The popularity of the World Wide Web has clearly

Genève, Université de

235

VR/Urban: Spread.gun Design Process and Challenges in Developing a Shared Encounter for Media Faades  

E-Print Network [OSTI]

design aims were the anticipation of urban space, situational system configuration and embodied conscious design decision is to support social values of city life, such as expressivity, public spaceVR/Urban: Spread.gun ­ Design Process and Challenges in Developing a Shared Encounter for Media

Hornecker, Eva

236

Morphology and segmentation of the western Galapagos Spreading Center, 90.598W: Plume-ridge interaction at  

E-Print Network [OSTI]

-ridge interaction at an intermediate spreading ridge John Sinton Department of Geology and Geophysics, University of Hawai`i, Honolulu, Hawai`i 96822, USA (sinton@hawaii.edu) Robert Detrick and J. Pablo Canales Department. Sinton, J., R. Detrick, J. P. Canales, G. Ito, and M. Behn, Morphology and segmentation of the western

Ito, Garrett

237

A numerical model of hydrothermal cooling and crustal accretion at a fast spreading mid-ocean ridge  

E-Print Network [OSTI]

: 7360 words, 11 figures. Keywords: Mid-ocean ridge processes; hydrothermal cooling; numerical modelA numerical model of hydrothermal cooling and crustal accretion at a fast spreading mid-ocean ridge present a steady state numerical representation of the sill model that explicitly includes hydrothermal

Toomey, Doug

238

COMPLETELY DC-FREE DIRECT SEQUENCE SPECTRUM SPREADING SCHEME FOR LOW POWER, LOW COST, DIRECT CONVERSION TRANSCEIVER  

E-Print Network [OSTI]

call the offset code spreading scheme. By employing the scheme, we can implement a direct- conversion- level design. The direct conversion receiver architecture combined with D-BPSK (differential, there are some design problems. In a direct conversion receiver, DC offset due to carrier leakage and 1/f mixer

Lee, Thomas H.

239

Mon. Not. R. Astron. Soc. 313, L9L13 (2000) Evidence for transverse spread in Leonid meteors  

E-Print Network [OSTI]

. LeBlanc,1w ² I. S. Murray,1 ³ R. L. Hawkes,1 P. Worden2 , M. D. Campbell,3 P. Brown,3 P. Jenniskens,4 and longitudinal spread in the fragments owing to a more complex fluid interaction (Brown et al. 1994

Brown, Peter

240

Analysis of farm-to-retail price spreads for whole and two percent milk in seven selected cities  

E-Print Network [OSTI]

The objectives of this study were threefold: (1) to determine a suitable model for defining the farm-retail price spread for two percent and whole milk in seven cities (Atlanta, Boston, Chicago, Dallas, Hartford, Seattle, St. Louis); (2) to discover...

Dickerson, Marla Lashea

2004-09-30T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Single Cells Spreading on a Protein Lattice Adopt an Energy Minimizing Shape Benoit Vianay,1,* Jos Kafer,2,  

E-Print Network [OSTI]

Single Cells Spreading on a Protein Lattice Adopt an Energy Minimizing Shape Benoit Vianay,1,* Jos simple shapes deter- mined by the lattice geometry. This suggests that, on a lattice, living cells' shapes are in thermodynamic metastable states. Using a model at thermodynamic equilibrium we are able

242

What can you do to stop the flu? Cover your cough! Help stop the spread of germs by  

E-Print Network [OSTI]

What can you do to stop the flu? · Cover your cough! Help stop the spread of germs by covering your mouth and nose when you cough or sneeze with a tissue or with your upper sleeve. · Wash your hands surfaces. · Flu symptoms include: - Fever - Extreme tiredness - Headache - Cough - Muscle aches - Runny

Burke, Peter

243

A SPATIAL SIRS BOOLEAN NETWORK MODEL FOR THE SPREAD OF H5N1 AVIAN INFLUENZA VIRUS AMONG POULTRY FARMS  

E-Print Network [OSTI]

A SPATIAL SIRS BOOLEAN NETWORK MODEL FOR THE SPREAD OF H5N1 AVIAN INFLUENZA VIRUS AMONG POULTRY Influenza and Poultry Disease Epidemiology, Federal Centre for Animal Health, 600901 Yur'evets, Vladimir-Infected-Recovered-Susceptible (SIRS) Boolean network of poultry farms, using proba- bilistic Boolean rules. Gravity models from

Matache, Dora

244

SIMULTANEOUS EXOPLANET CHARACTERIZATION AND DEEP WIDE-FIELD IMAGING WITH A DIFFRACTIVE PUPIL TELESCOPE  

SciTech Connect (OSTI)

High-precision astrometry can identify exoplanets and measure their orbits and masses while coronagraphic imaging enables detailed characterization of their physical properties and atmospheric compositions through spectroscopy. In a previous paper, we showed that a diffractive pupil telescope (DPT) in space can enable sub-{mu}as accuracy astrometric measurements from wide-field images by creating faint but sharp diffraction spikes around the bright target star. The DPT allows simultaneous astrometric measurement and coronagraphic imaging, and we discuss and quantify in this paper the scientific benefits of this combination for exoplanet science investigations: identification of exoplanets with increased sensitivity and robustness, and ability to measure planetary masses to high accuracy. We show how using both measurements to identify planets and measure their masses offers greater sensitivity and provides more reliable measurements than possible with separate missions, and therefore results in a large gain in mission efficiency. The combined measurements reliably identify potentially habitable planets in multiple systems with a few observations, while astrometry or imaging alone would require many measurements over a long time baseline. In addition, the combined measurement allows direct determination of stellar masses to percent-level accuracy, using planets as test particles. We also show that the DPT maintains the full sensitivity of the telescope for deep wide-field imaging, and is therefore compatible with simultaneous scientific observations unrelated to exoplanets. We conclude that astrometry, coronagraphy, and deep wide-field imaging can be performed simultaneously on a single telescope without significant negative impact on the performance of any of the three techniques.

Guyon, Olivier; Eisner, Josh A.; Angel, Roger; Woolf, Neville J. [Steward Observatory, University of Arizona, Tucson, AZ 85721 (United States)] [Steward Observatory, University of Arizona, Tucson, AZ 85721 (United States); Bendek, Eduardo A.; Milster, Thomas D. [College of Optical Sciences, University of Arizona, Tucson, AZ 85721 (United States)] [College of Optical Sciences, University of Arizona, Tucson, AZ 85721 (United States); Ammons, S. Mark [Lawrence Livermore National Laboratory, Physics Division L-210, 7000 East Avenue, Livermore, CA 94550 (United States)] [Lawrence Livermore National Laboratory, Physics Division L-210, 7000 East Avenue, Livermore, CA 94550 (United States); Shao, Michael; Shaklan, Stuart; Levine, Marie; Nemati, Bijan [Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109 (United States)] [Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109 (United States); Martinache, Frantz [National Astronomical Observatory of Japan, Subaru Telescope, Hilo, HI 96720 (United States)] [National Astronomical Observatory of Japan, Subaru Telescope, Hilo, HI 96720 (United States); Pitman, Joe [Exploration Sciences, P.O. Box 24, Pine, CO 80470 (United States)] [Exploration Sciences, P.O. Box 24, Pine, CO 80470 (United States); Woodruff, Robert A. [Lockheed Martin, 2081 Evergreen Avenue, Boulder, CO 80304 (United States)] [Lockheed Martin, 2081 Evergreen Avenue, Boulder, CO 80304 (United States); Belikov, Ruslan, E-mail: guyon@naoj.org [NASA Ames Research Center, Moffett Field, CA 94035 (United States)] [NASA Ames Research Center, Moffett Field, CA 94035 (United States)

2013-04-10T23:59:59.000Z

245

The GL 569 Multiple System  

E-Print Network [OSTI]

We report the results of high spectral and angular resolution infrared observations of the multiple system GL 569 A and B that were intended to measure the dynamical masses of the brown dwarf binary believed to comprise GL 569 B. Our analysis did not yield this result but, instead, revealed two surprises. First, at age ~100 Myr, the system is younger than had been reported earlier. Second, our spectroscopic and photometric results provide support for earlier indications that GL 569 B is actually a hierarchical brown dwarf triple rather than a binary. Our results suggest that the three components of GL 569 B have roughly equal mass, ~0.04 Msun.

M. Simon; C. Bender; L. Prato

2006-04-04T23:59:59.000Z

246

Multiple piece turbine rotor blade  

DOE Patents [OSTI]

A multiple piece turbine rotor blade with a shell having an airfoil shape and secured between a spar and a platform with the spar including a tip end piece. a snap ring fits around the spar and abuts against the spar tip end piece on a top side and abuts against a shell on the bottom side so that the centrifugal loads from the shell is passed through the snap ring and into the spar and not through a tip cap dovetail slot and projection structure.

Jones, Russell B; Fedock, John A

2013-05-21T23:59:59.000Z

247

PHY and MAC Layer Design of Hybrid Spread Spectrum Based Smart Meter Network  

SciTech Connect (OSTI)

The smart grid is a combined process of revitalizing the traditional power grid applications and introducing new applications to improve the efficiency of power generation, transmission and distribution. This can be achieved by leveraging advanced communication and networking technologies. Therefore the selection of the appropriate communication technology for different smart grid applications has been debated a lot in the recent past. After comparing different possible technologies, a recent research study has arrived at a conclusion that the 3G cellular technology is the right choice for distribution side smart grid applications like smart metering, advanced distribution automation and demand response management system. In this paper, we argue that the current 3G/4G cellular technologies are not an appropriate choice for smart grid distribution applications and propose a Hybrid Spread Spectrum (HSS) based Advanced Metering Infrastructure (AMI) as one of the alternatives to 3G/4G technologies. We present a preliminary PHY and MAC layer design of a HSS based AMI network and evaluate their performance using matlab and NS2 simulations. Also, we propose a time hierarchical scheme that can significantly reduce the volume of random access traffic generated during blackouts and the delay in power outage reporting.

Kuruganti, Phani Teja [ORNL] [ORNL

2012-01-01T23:59:59.000Z

248

The reversibility of the glutathionyl-quercetin adduct spreads oxidized quercetin-induced toxicity  

SciTech Connect (OSTI)

Quercetin is one of the most prominent dietary antioxidants. During its antioxidant activity, quercetin becomes oxidized into its o-quinone/quinone methide QQ. QQ is toxic since it instantaneously reacts with thiols of, e.g., proteins. In cells, QQ will initially form an adduct with glutathione (GSH), giving GSQ. We have found that GSQ is not stable; it dissociates continuously into GSH and QQ with a half life of 2 min. Surprisingly, GSQ incubated with 2-mercapto-ethanol (MSH), a far less reactive thiol, results in the conversion of GSQ into the MSH-adduct MSQ. A similar conversion of GSQ into relatively stable protein thiol-quercetin adducts is expected. With the dithiol dihydrolipoic acid (L(SH){sub 2}), quercetin is formed out of GSQ. These results indicate that GSQ acts as transport and storage of QQ. In that way, the initially highly focussed toxicity of QQ is dispersed by the formation of GSQ that finally spreads QQ-induced toxicity, probably even over cells.

Boots, Agnes W. [Department of Pharmacology and Toxicology, Faculty of Medicine, University of Maastricht, P.O. Box 616, 6200 MD Maastricht (Netherlands)]. E-mail: a.boots@farmaco.unimaas.nl; Balk, Jiska M. [Department of Pharmacology and Toxicology, Faculty of Medicine, University of Maastricht, P.O. Box 616, 6200 MD Maastricht (Netherlands); Bast, Aalt [Department of Pharmacology and Toxicology, Faculty of Medicine, University of Maastricht, P.O. Box 616, 6200 MD Maastricht (Netherlands); Haenen, Guido R.M.M. [Department of Pharmacology and Toxicology, Faculty of Medicine, University of Maastricht, P.O. Box 616, 6200 MD Maastricht (Netherlands)

2005-12-16T23:59:59.000Z

249

System-Wide Emissions Implications of Increased Wind Power Penetration  

E-Print Network [OSTI]

and ramifications of wind power providing 20% of U.S. electricity by 2030.1 Wind energy is advantageous becauseSystem-Wide Emissions Implications of Increased Wind Power Penetration Lauren Valentino,, Viviana of incorporating wind energy into the electric power system. We present a detailed emissions analysis based

Kemner, Ken

250

Wide Bandgap Semiconductors for Power Electronics, Optoelectronics, and Advanced Communications  

E-Print Network [OSTI]

Wide Bandgap Semiconductors for Power Electronics, Optoelectronics, and Advanced Communications with material composition over a range of 0.7 to 5 eV. This factor allows them to be used for optoelectronic. Improvement in growth quality and doping of GaN is needed to improve the performance of optoelectronics

Li, Mo

251

**NEW UNIVERSITY-WIDE MINOR ** Minor in Sustainable Energy  

E-Print Network [OSTI]

**NEW UNIVERSITY-WIDE MINOR ** Minor in Sustainable Energy Energy is central. The Minor in Sustainable Energy allows a student in any four-year undergraduate School or College perspectives, as taught by faculty in those areas. The minor in Sustainable Energy is a collaborative effort

Goldberg, Bennett

252

Structured Wide-Area Programming: Orc Programming Examples  

E-Print Network [OSTI]

Structured Wide-Area Programming: Orc Programming Examples Jayadev Misra Department of Computer Science University of Texas at Austin http://orc.csres.utexas.edu #12;Some Algorithms · Enumeration;Corresponding Orc program val (x, y) = (Ref(0), Ref(0)) def f1() = Ift(x?

Misra, Jayadev

253

Structured Wide-Area Programming: Orc Programming Language  

E-Print Network [OSTI]

Structured Wide-Area Programming: Orc Programming Language Jayadev Misra Department of Computer Science University of Texas at Austin http://orc.csres.utexas.edu #12;Orc Language · Data Types: Number, List, Record · Pattern Matching; Clausal Definition · Function Closure · Comingling functional and Orc

Misra, Jayadev

254

Overview Orc Notation Examples Structured Wide-Area Programming  

E-Print Network [OSTI]

Overview Orc Notation Examples Structured Wide-Area Programming William Cook, Jayadev Misra, David Kitchin, Adrian Quark Department of Computer Science University of Texas at Austin http://orc.csres.utexas.edu #12;Overview Orc Notation Examples Outline Overview Orc Notation Examples #12;Overview Orc Notation

Misra, Jayadev

255

Supporting Generic Cost Models for Wide-Area Stream Processing  

E-Print Network [OSTI]

Supporting Generic Cost Models for Wide-Area Stream Processing Olga Papaemmanouil #1 , Ugur C¸ etintemel 2 , John Jannotti 2 # Deparment of Computer Science, Brandeis University, Waltham, MA, USA 1 olga and increased availability of receptors that report physical or software events has led to the emergence

Cetintemel, Ugur

256

STRUCTURE PREDICTION CASP AND OTHER COMMUNITY-WIDE  

E-Print Network [OSTI]

Section VI STRUCTURE PREDICTION #12;#12;28 CASP AND OTHER COMMUNITY-WIDE ASSESSMENTS TO ADVANCE THE FIELD OF STRUCTURE PREDICTION Jenny Gu and Philip E. Bourne A MEASURE FOR SUCCESS In the early 1990s to the biological community and to measure the progress in this developing field of structure prediction. In part

Bourne, Philip E.

257

ORIGINAL RESEARCH Systematic family-wide analysis of sodium bicarbonate  

E-Print Network [OSTI]

ORIGINAL RESEARCH Systematic family-wide analysis of sodium bicarbonate cotransporter NBCn1/SLC4A7/NBCn1 pulled down syntrophin c2 and con- versely GST/syntrophin c2 pulled down NBCn1. Moreover normally moves Na+ and HCO3 Ã? into cells and protects intracel- lular pH (pHi) from falling below normal

Hall, Randy A

258

aid policy wide: Topics by E-print Network  

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

aid policy wide First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Aid, Policy and Peace CiteSeer Summary:...

259

Photocell utilizing a wide-bandgap semiconductor material  

DOE Patents [OSTI]

A photocell comprises a p-i-n amorphous silicon structure having a wide bandgap layer adjacent to either the p-type or n-type layer. This structure reduces the absorption of light entering the photocell and the back-diffusion of minority carriers.

Carlson, David E. (Yardley, PA); Williams, Brown F. (Princeton, NJ)

1984-06-05T23:59:59.000Z

260

Blue marlin (Makaira nigricans) are widely distributed throughout the  

E-Print Network [OSTI]

420 Blue marlin (Makaira nigricans) are widely distributed throughout the tropical and subtropical waters of the Pacific and Indian oceans (Nakamura, 1985). In the Pacific, blue marlin are harvested data (Kleiber et al., 2003) indicate that there is a single stock of blue marlin in the Pacific Ocean

Note: This page contains sample records for the topic "wide spread multiple" 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

2DPHOT: A Multi-purpose Environment for the Two-dimensional Analysis of Wide-field Images  

E-Print Network [OSTI]

We describe 2DPHOT, a general purpose analysis environment for source detection and analysis in deep wide-field images. 2DPHOT is an automated tool to obtain both integrated and surface photometry of galaxies in an image, to perform reliable star-galaxy separation with accurate estimates of contamination at faint flux levels, and to estimate completeness of the image catalog. We describe the analysis strategy on which 2DPHOT is based, and provide a detailed description of the different algorithms implemented in the package. This new environment is intended as a dedicated tool to process the wealth of data from wide-field imaging surveys. To this end, the package is complemented by 2DGUI, an environment that allows multiple processing of data using a range of computing architectures.

F. La Barbera; R. R. de Carvalho; J. L. Kohl-Moreira; R. R. Gal; M. Soares-Santos; M. Capaccioli; R. Santos; N. Sant'Anna

2008-04-08T23:59:59.000Z

262

The Nuclear Material Focus Area Roadmapping Process Utilizing Environmental Management Complex-Wide Nuclear Material Disposition Pathways  

SciTech Connect (OSTI)

This paper describes the process that the Nuclear Materials Focus Area (NMFA) has developed and utilizes in working with individual Department of Energy (DOE) sites to identify, address, and prioritize research and development efforts in the stabilization, disposition, and storage of nuclear materials. By associating site technology needs with nuclear disposition pathways and integrating those with site schedules, the NMFA is developing a complex wide roadmap for nuclear material technology development. This approach will leverage technology needs and opportunities at multiple sites and assist the NMFA in building a defensible research and development program to address the nuclear material technology needs across the complex.

Sala, D. R.; Furhman, P.; Smith, J. D.

2002-02-26T23:59:59.000Z

263

Multiple protocol fluorometer and method  

DOE Patents [OSTI]

A multiple protocol fluorometer measures photosynthetic parameters of phytoplankton and higher plants using actively stimulated fluorescence protocols. The measured parameters include spectrally-resolved functional and optical absorption cross sections of PSII, extent of energy transfer between reaction centers of PSII, F.sub.0 (minimal), F.sub.m (maximal) and F.sub.v (variable) components of PSII fluorescence, photochemical and non-photochemical quenching, size of the plastoquinone (PQ) pool, and the kinetics of electron transport between Q.sub.a and PQ pool and between PQ pool and PSI. The multiple protocol fluorometer, in one embodiment, is equipped with an excitation source having a controlled spectral output range between 420 nm and 555 nm and capable of generating flashlets having a duration of 0.125-32 .mu.s, an interval between 0.5 .mu.s and 2 seconds, and peak optical power of up to 2 W/cm.sup.2. The excitation source is also capable of generating, simultaneous with the flashlets, a controlled continuous, background illumination.

Kolber, Zbigniew S. (Shoreham, NY); Falkowski, Paul G. (Stony Brook, NY)

2000-09-19T23:59:59.000Z

264

Multiple channel data acquisition system  

DOE Patents [OSTI]

A multiple channel data acquisition system for the transfer of large amounts of data from a multiplicity of data channels has a plurality of modules which operate in parallel to convert analog signals to digital data and transfer that data to a communications host via a FASTBUS. Each module has a plurality of submodules which include a front end buffer (FEB) connected to input circuitry having an analog to digital converter with cache memory for each of a plurality of channels. The submodules are interfaced with the FASTBUS via a FASTBUS coupler which controls a module bus and a module memory. The system is triggered to effect rapid parallel data samplings which are stored to the cache memories. The cache memories are uploaded to the FEBs during which zero suppression occurs. The data in the FEBs is reformatted and compressed by a local processor during transfer to the module memory. The FASTBUS coupler is used by the communications host to upload the compressed and formatted data from the module memory. The local processor executes programs which are downloaded to the module memory through the FASTBUS coupler. 25 figs.

Crawley, H.B.; Rosenberg, E.I.; Meyer, W.T.; Gorbics, M.S.; Thomas, W.D.; McKay, R.L.; Homer, J.F. Jr.

1990-05-22T23:59:59.000Z

265

Multiple channel data acquisition system  

DOE Patents [OSTI]

A multiple channel data acquisition system for the transfer of large amounts of data from a multiplicity of data channels has a plurality of modules which operate in parallel to convert analog signals to digital data and transfer that data to a communications host via a FASTBUS. Each module has a plurality of submodules which include a front end buffer (FEB) connected to input circuitry having an analog to digital converter with cache memory for each of a plurality of channels. The submodules are interfaced with the FASTBUS via a FASTBUS coupler which controls a module bus and a module memory. The system is triggered to effect rapid parallel data samplings which are stored to the cache memories. The cache memories are uploaded to the FEBs during which zero suppression occurs. The data in the FEBs is reformatted and compressed by a local processor during transfer to the module memory. The FASTBUS coupler is used by the communications host to upload the compressed and formatted data from the module memory. The local processor executes programs which are downloaded to the module memory through the FASTBUS coupler.

Crawley, H. Bert (Ames, IA); Rosenberg, Eli I. (Ames, IA); Meyer, W. Thomas (Ames, IA); Gorbics, Mark S. (Ames, IA); Thomas, William D. (Boone, IA); McKay, Roy L. (Ames, IA); Homer, Jr., John F. (Ames, IA)

1990-05-22T23:59:59.000Z

266

Traffic flow wide-area surveillance system definition  

SciTech Connect (OSTI)

Traffic Flow Wide-Area Surveillance (TFWAS) is a system for assessing the state of traffic flow over a wide area for enhanced traffic control and improved traffic management and planning. The primary purpose of a TFWAS system is to provide a detailed traffic flow description and context description to sophisticated traffic management and control systems being developed or envisioned for the future. A successful TFWAS system must possess the attributes of safety, reconfigurability, reliability, and expandability. The primary safety premise of TFWAS is to ensure that no action or failure of the TFWAS system or its components can result in risk of injury to humans. A wide variety of communication techniques is available for use with TFWAS systems. These communication techniques can be broken down into two categories, landlines and wireless. Currently used and possible future traffic sensing technologies have been examined. Important criteria for selecting TFWAS sensors include sensor capabilities, costs, operational constraints, sensor compatibility with the infrastructure, and extent. TFWAS is a concept that can take advantage of the strengths of different traffic sensing technologies, can readily adapt to newly developed technologies, and can grow with the development of new traffic control strategies. By developing innovative algorithms that will take information from a variety of sensor types and develop descriptions of traffic flows over a wide area, a more comprehensive understanding of the traffic state can be provided to the control system to perform the most reasonable control actions over the entire wide area. The capability of characterizing the state of traffic over an entire region should revolutionize developments in traffic control strategies.

Allgood, G.O.; Ferrell, R.K.; Kercel, S.W.; Abston, R.A.; Carnal, C.L. [Oak Ridge National Lab., TN (United States); Moynihan, P.I. [Jet Propulsion Lab., Pasadena, CA (United States)

1994-11-01T23:59:59.000Z

267

Multiple systems or task complexity 1 Running head: Multiple systems or task complexity  

E-Print Network [OSTI]

Multiple systems or task complexity 1 Running head: Multiple systems or task complexity Procedural memory effects in categorization: evidence for multiple systems or task complexity? Safa R. Zaki and Dave College Williamstown, MA 10267 413-597-4594 Email: szaki@williams.edu #12;Multiple systems or task

Stoiciu, Mihai

268

Inverse scattering series for multiple attenuation: An example with surface and internal multiples  

SciTech Connect (OSTI)

A multiple attenuation method derived from an inverse scattering series is described. The inversion series approach allows a separation of multiple attenuation subseries from the full series. The surface multiple attenuation subseries was described and illustrated in Carvalho et al. (1991, 1992). The internal multiple attenuation method consists of selecting the parts of the odd terms that are associated with removing only multiply reflected energy. The method, for both types of multiples, is multidimensional and does not rely on periodicity or differential moveout, nor does it require a model of the reflectors generating the multiples. An example with internal and surface multiples will be presented.

Araujo, F.V. [PPPG/Federal Univ. of Bahia, Salvador (Brazil); Weglein, A.B. [Schlumberger Cambridge Research (United Kingdom); Carvalho, P.M. [Petrobras SA, Rio de Janeiro (Brazil); Stolt, R.H.

1994-12-31T23:59:59.000Z

269

Microprocessor-controlled, wide-range streak camera  

SciTech Connect (OSTI)

Bechtel Nevada/NSTec recently announced deployment of their fifth generation streak camera. This camera incorporates many advanced features beyond those currently available for streak cameras. The arc-resistant driver includes a trigger lockout mechanism, actively monitors input trigger levels, and incorporates a high-voltage fault interrupter for user safety and tube protection. The camera is completely modular and may deflect over a variable full-sweep time of 15 nanoseconds to 500 microseconds. The camera design is compatible with both large- and small-format commercial tubes from several vendors. The embedded microprocessor offers Ethernet connectivity, and XML [extensible markup language]-based configuration management with non-volatile parameter storage using flash-based storage media. The camera’s user interface is platform-independent (Microsoft Windows, Unix, Linux, Macintosh OSX) and is accessible using an AJAX [asynchronous Javascript and XML]-equipped modem browser, such as Internet Explorer 6, Firefox, or Safari. User interface operation requires no installation of client software or browser plug-in technology. Automation software can also access the camera configuration and control using HTTP [hypertext transfer protocol]. The software architecture supports multiple-simultaneous clients, multiple cameras, and multiple module access with a standard browser. The entire user interface can be customized.

Amy E. Lewis, Craig Hollabaugh

2006-09-01T23:59:59.000Z

270

Multiple-stage integrating accelerometer  

DOE Patents [OSTI]

An accelerometer assembly is provided for use in activating a switch in response to multiple acceleration pulses in series. The accelerometer includes a housing forming a chamber. An inertial mass or piston is slidably disposed in the chamber and spring biased toward a first or reset position. A damping system is also provided to damp piston movement in response to first and subsequent acceleration pulses. Additionally, a cam, including a Z-shaped slot, and cooperating follower pin slidably received therein are mounted to the piston and the housing. The middle or cross-over leg of the Z-shaped slot cooperates with the follower pin to block or limit piston movement and prevent switch activation in response to a lone acceleration pulse. The switch of the assembly is only activated after two or more separate acceleration pulses are sensed and the piston reaches the end of the chamber opposite the reset position.

Devaney, Howard F. (Cedar Crest, NM)

1986-01-01T23:59:59.000Z

271

Two wide-angle imaging neutral-atom spectrometers  

SciTech Connect (OSTI)

The Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) mission provides a new capability for stereoscopically imaging the magnetosphere. By imaging the charge exchange neutral atoms over a broad energy range (1 < E , {approximately} 100 keV) using two identical instruments on two widely-spaced high-altitude, high-inclination spacecraft, TWINS will enable the 3-dimensional visualization and the resolution of large scale structures and dynamics within the magnetosphere for the first time. These observations will provide a leap ahead in the understanding of the global aspects of the terrestrial magnetosphere and directly address a number of critical issues in the ``Sun-Earth Connections`` science theme of the NASA Office of Space Science.

McComas, D.J.

1997-12-31T23:59:59.000Z

272

Two wide-angle imaging neutral-atom spectrometers (TWINS)  

SciTech Connect (OSTI)

Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) is a revolutionary new mission designed to stereoscopically image the magnetosphere in charge exchange neutral atoms for the first time. The authors propose to fly two identical TWINS instruments as a mission of opportunity on two widely-spaced high-altitude, high-inclination US Government spacecraft. Because the spacecraft are funded independently, TWINS can provide a vast quantity of high priority science observations (as identified in an ongoing new missions concept study and the Sun-Earth Connections Roadmap) at a small fraction of the cost of a dedicated mission. Because stereo observations of the near-Earth space environs will provide a particularly graphic means for visualizing the magnetosphere in action, and because of the dedication and commitment of the investigator team to the principles of carrying space science to the broader audience, TWINS will also be an outstanding tool for public education and outreach.

McComas, D.J. [Los Alamos National Lab., NM (United States)] [Los Alamos National Lab., NM (United States); Blake, B. [Aerospace Corp., CA (United States)] [Aerospace Corp., CA (United States); Burch, J. [Southwest Research Inst., San Antonio, TX (United States)] [and others] [Southwest Research Inst., San Antonio, TX (United States); and others

1998-11-01T23:59:59.000Z

273

Horizontal film balance having wide range and high sensitivity  

DOE Patents [OSTI]

A thin-film, horizontal balance instrument is provided for measuring surface tension (surface energy) of thin films suspended on a liquid substrate. The balance includes a support bearing and an optical feedback arrangement for wide-range, high sensitivity measurements. The force on the instrument is balanced by an electromagnet, the current through the magnet providing a measure of the force applied to the instrument. A novel float construction is also disclosed.

Abraham, B.M.; Miyano, K.; Ketterson, J.B.

1981-03-05T23:59:59.000Z

274

Horizontal film balance having wide range and high sensitivity  

DOE Patents [OSTI]

A thin-film, horizontal balance instrument is provided for measuring surface tension (surface energy) of thin films suspended on a liquid substrate. The balance includes a support bearing and an optical feedback arrangement for wide-range, high sensitivity measurements. The force on the instrument is balanced by an electromagnet, the current through the magnet providing a measure of the force applied to the instrument. A novel float construction is also disclosed. 5 figs.

Abraham, B.M.; Miyano, K.; Ketterson, J.B.

1983-11-08T23:59:59.000Z

275

Horizontal film balance having wide range and high sensitivity  

DOE Patents [OSTI]

A thin-film, horizontal balance instrument is provided for measuring surface tension (surface energy) of thin films suspended on a liquid substrate. The balance includes a support bearing and an optical feedback arrangement for wide-range, high sensitivity measurements. The force on the instrument is balanced by an electromagnet, the current through the magnet providing a measure of the force applied to the instrument. A novel float construction is also disclosed.

Abraham, Bernard M. (Oak Park, IL); Miyano, Kenjiro (Downers Grove, IL); Ketterson, John B. (Evanston, IL)

1983-01-01T23:59:59.000Z

276

Wide swath imaging spectrometer utilizing a multi-modular design  

DOE Patents [OSTI]

A wide swath imaging spectrometer utilizing an array of individual spectrometer modules in the telescope focal plane to provide an extended field of view. The spectrometer modules with their individual detectors are arranged so that their slits overlap with motion on the scene providing contiguous spatial coverage. The number of modules can be varied to take full advantage of the field of view available from the telescope.

Chrisp, Michael P. (Danville, CA)

2010-10-05T23:59:59.000Z

277

A Cosmology Calculator for the World Wide Web  

E-Print Network [OSTI]

A cosmology calculator that computes times and distances as a function of redshift for user-defined cosmological parameters is available on the World Wide Web. This note gives the formulae used by the cosmology calculator and discusses some of its implementation. A version of the calculator that allows one to specify the equation of state parameter w and w' and neutrino masses, and a version for converting the light travel times usually given in the popular press into redshifts are also available.

Edward L. Wright

2006-10-10T23:59:59.000Z

278

DOE-Wide NEPA Contracting | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehiclesTankless orAChiefAppropriation FYGStrategicSiteThreeDOE-Wide NEPA

279

Overcoming mixed waste management obstacles - A company wide approach  

SciTech Connect (OSTI)

The dual regulation of mixed waste by the Nuclear Regulatory Commission and the Environmental Protection Agency has significantly complicated the treatment, storage and disposal of this waste. Because of the limited treatment and disposal options available, facilities generating mixed waste are also being forced to acquire storage permits to meet requirements associated with the Resource Conservation and Recovery Act. Due to the burdens imposed by the regulatory climate, Entergy Operations has undertaken a proactive approach to managing its mixed waste. Their approach is company wide and simplistic in nature. Utilizing the peer groups to develop strategies and a company wide procedure for guidance on mixed waste activities, they have focused on areas where they have the most control and can achieve the greatest benefits from their efforts. A key aspect of the program includes training and employee awareness regarding mixed waste minimization practices. In addition, Entergy Operations is optimizing the implementation of regulatory provisions that facilitate more flexible management practices for mixed waste. This presentation focuses on the team approach to developing mixed waste managements programs and the utilization of innovative thinking and planning to minimize the regulatory burdens. It will also describe management practices and philosophies that have provided more flexibility in implementing a safe and effective company wide mixed waste management program.

Buckley, R.N. [Entergy Operations, Inc., Jackson, MS (United States)

1996-10-01T23:59:59.000Z

280

Wide-area situation awareness in electric power grid  

SciTech Connect (OSTI)

Two primary elements of the US energy policy are demand management and efficiency and renewable sources. Major objectives are clean energy transmission and integration, reliable energy transmission, and grid cyber security. Development of the Smart Grid seeks to achieve these goals by lowering energy costs for consumers, achieving energy independence and reducing greenhouse gas emissions. The Smart Grid is expected to enable real time wide-area situation awareness (SA) for operators. Requirements for wide-area SA have been identified among interoperability standards proposed by the Federal Energy Regulatory Commission and the National Institute of Standards and Technology to ensure smart-grid functionality. Wide-area SA and enhanced decision support and visualization tools are key elements in the transformation to the Smart Grid. This paper discusses human factors research to promote SA in the electric power grid and the Smart Grid. Topics that will be discussed include the role of human factors in meeting US energy policy goals, the impact and challenges for Smart Grid development, and cyber security challenges.

Greitzer, Frank L.

2010-04-28T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Multiple acousto-optic q-switch  

DOE Patents [OSTI]

An improved dynamic moire interferometer comprised of a lasing medium providing a plurality of beams of coherent light, a multiple q-switch producing multiple trains of 100,000 or more pulses per second, a combining means collimating multiple trains of pulses into substantially a single train and directing beams to specimen gratings affixed to a test material, and a controller, triggering and sequencing the emission of the pulses with the occurrence and recording of a dynamic loading event.

Deason, Vance A. (Idaho Falls, ID)

1993-01-01T23:59:59.000Z

282

Fermentation, Hydrogen, and Sulfur Metabolism in Multiple Uncultivated...  

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

Fermentation, Hydrogen, and Sulfur Metabolism in Multiple Uncultivated Bacterial Phyla. Fermentation, Hydrogen, and Sulfur Metabolism in Multiple Uncultivated Bacterial Phyla....

283

Systems analysis of multiple regulator perturbations allows discoveryo...  

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

Systems analysis of multiple regulator perturbations allows discoveryof virulence factors in Salmonella. Systems analysis of multiple regulator perturbations allows discoveryof...

284

Interested Parties - Multiple Loan Applications per Developer...  

Energy Savers [EERE]

Documents & Publications Interested Parties - Allowing Multiple Projects per Application for Section 1705 Loan Guarantees Interested Parties - K&L Group Interested Parties - Shipp...

285

Enhanced IGCC regulatory control and coordinated plant-wide control strategies for improving power ramp rates  

SciTech Connect (OSTI)

As part of ongoing R&D activities at the National Energy Technology Laboratory’s (NETL) Advanced Virtual Energy Simulation Training & Research (AVESTAR™) Center, this paper highlights strategies for enhancing low-level regulatory control and system-wide coordinated control strategies implemented in a high-fidelity dynamic simulator for an Integrated Gasification Combined Cycle (IGCC) power plant with carbon capture. The underlying IGCC plant dynamic model contains 20 major process areas, each of which is tightly integrated with the rest of the power plant, making individual functionally-independent processes prone to routine disturbances. Single-loop feedback control although adequate to meet the primary control objective for most processes, does not take into account in advance the effect of these disturbances, making the entire power plant undergo large offshoots and/or oscillations before the feedback action has an opportunity to impact control performance. In this paper, controller enhancements ranging from retuning feedback control loops, multiplicative feed-forward control and other control techniques such as split-range control, feedback trim and dynamic compensation, applicable on various subsections of the integrated IGCC plant, have been highlighted and improvements in control responses have been given. Compared to using classical feedback-based control structure, the enhanced IGCC regulatory control architecture reduces plant settling time and peak offshoots, achieves faster disturbance rejection, and promotes higher power ramp-rates. In addition, improvements in IGCC coordinated plant-wide control strategies for “Gasifier-Lead”, “GT-Lead” and “Plantwide” operation modes have been proposed and their responses compared. The paper is concluded with a brief discussion on the potential IGCC controller improvements resulting from using advanced process control, including model predictive control (MPC), as a supervisory control layer.

Mahapatra, P.; Zitney, S.

2012-01-01T23:59:59.000Z

286

The Wide Field Spectrograph (WiFeS)  

E-Print Network [OSTI]

This paper describes the Wide Field Spectrograph (WiFeS) under construction at the Research School of Astronomy and Astrophysics (RSAA) of the Australian National University (ANU) for the ANU 2.3m telescope at the Siding Spring Observatory. WiFeS is a powerful integral field, double-beam, concentric, image-slicing spectrograph designed to deliver excellent thoughput, wavelength stability, spectrophotometric performance and superb image quality along with wide spectral coverage throughout the 320-950 nm wavelength region. It provides a 25x38 arcsec. field with 0.5 arcsec. sampling along each of twenty five 38X1 arcsec slitlets. The output format is optimized to match the 4096x4096 pixel CCD detectors in each of two cameras individually optimized for the blue and the red ends of the spectrum, respectively. A process of "interleaved nod-and-shuffle" will be applied to permit quantum noise-limited sky subtraction. Using VPH gratings, spectral resolutions of 3000 and 7000 are provided. The full spectral range is covered in a single exposure at R=3000, and in two exposures in the R=7000 mode. The use of transmissive coated optics, VPH gratings and optimized mirror coatings ensures a throughput (including telescope atmosphere and detector) > 30% over a wide spectral range. The concentric image-slicer design ensures an excellent and uniform image quality across the full field. To maximize scientific return, the whole instrument is configured for remote observing, pipeline data reduction, and the accumulation of calibration image libraries.

Michael Dopita; John Hart; Peter McGregor; Patrick Oates; Gabe Bloxham; Damien Jones

2007-05-02T23:59:59.000Z

287

Development of Autonomous Magnetometer Rotorcraft For Wide Area Assessment  

SciTech Connect (OSTI)

Large areas across the United States and internationally are potentially contaminated with unexploded ordinance (UXO), with some ranges encompassing tens to hundreds of thousands of acres. Technologies are needed which will allow for cost effective wide area scanning with (1) near 100% coverage and (2) near 100% detection of subsurface ordnance or features indicative of subsurface ordnance. The current approach to wide area assessment is a multi-level one, in which medium - altitude fixed wing optical imaging is used for an initial site assessment. This assessment is followed with low altitude manned helicopter based magnetometry. Subsequent to this wide area assessment targeted surface investigations are performed using either towed geophysical sensor arrays or man portable sensors. In order to be an effective tool for small UXO detection, the sensing altitude for magnetic site investigations needs to be on the order of 1 to 3 meters. These altitude requirements mean that manned helicopter surveys will generally only be feasible in large, open and relatively flat terrains. While such surveys are effective in mapping large areas relatively fast there are substantial mobilization/demobilization, staffing and equipment costs associated with these surveys, resulting in costs of approximately $100-$150/acre. In addition, due to the low altitude there are substantial risks to pilots and equipment. Surface towed arrays provide highresolution maps but have other limitations, e.g. in their ability to navigate rough terrain effectively. Thus there is a need for other systems, which can be used for effective data collection. An Unmanned Aerial Vehicle (UAV) magnetometer platform is an obvious alternative. The motivation behind such a system is that it reduces risk to operators, is lower in initial and Operational and Maintenance (O&M) costs (and can thus potentially be applied to smaller sites) and has the potential of being more effective in terms of detection and possibly characterization (through the use of dynamic acquisition, i.e. survey mission in-flight reprioritization).

Mark D. McKay; Matthew O. Anderson

2011-08-01T23:59:59.000Z

288

Wide band cryogenic ultra-high vacuum microwave absorber  

DOE Patents [OSTI]

An absorber wave guide assembly for absorbing higher order modes of microwave energy under cryogenic ultra-high vacuum conditions, that absorbs wide-band multi-mode energy. The absorber is of a special triangular shape, made from flat tiles of silicon carbide and aluminum nitride. The leading sharp end of the absorber is located in a corner of the wave guide and tapers to a larger cross-sectional area whose center is located approximately in the center of the wave guide. The absorber is relatively short, being of less height than the maximum width of the wave guide.

Campisi, Isidoro E. (Newport News, VA)

1992-01-01T23:59:59.000Z

289

Wide band cryogenic ultra-high vacuum microwave absorber  

DOE Patents [OSTI]

An absorber waveguide assembly for absorbing higher order modes of microwave energy under cryogenic ultra-high vacuum conditions, that absorbs wide-band multi-mode energy. The absorber is of a special triangular shape, made from flat tiles of silicon carbide and aluminum nitride. The leading sharp end of the absorber is located in a corner of the waveguide and tapers to a larger cross-sectional area whose center is located approximately in the center of the wave guide. The absorber is relatively short, being of less height than the maximum width of the waveguide. 11 figs.

Campisi, I.E.

1992-05-12T23:59:59.000Z

290

Wide Bandgap Semiconductors for Clean Energy Workshop Agenda  

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) "ofEarlyEnergyDepartment ofDepartment of Energy WhileTanklessLES'NeighborhoodThisApril2014Why Give?Wide9

291

An Adaptive Voltage Control Algorithm with Multiple Distributed Energy  

SciTech Connect (OSTI)

Distributed energy resources (DE) with power electronics (PE) interfaces with the right control are capable of providing reactive power related ancillary services. Voltage regulation in particular has drawn much attention. In this paper the challenges to control multiple DEs to regulate the local voltage in distribution systems is addressed and a decentralized adaptive voltage control method is proposed. The simulation results in different system conditions show that this adaptive voltage control method is capable of satisfying the fast response speed requirement without causing oscillation or instability of the system. Since this method has high tolerance to the shortage of the system parameters and can be widely adaptive to the variable operation situations of the power systems, it is very suited for the utility application.

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

2009-01-01T23:59:59.000Z

292

A DYNAMICAL SIGNATURE OF MULTIPLE STELLAR POPULATIONS IN 47 TUCANAE  

SciTech Connect (OSTI)

Based on the width of its main sequence, and an actual observed split when viewed through particular filters, it is widely accepted that 47 Tucanae contains multiple stellar populations. In this contribution, we divide the main sequence of 47 Tuc into four color groups, which presumably represent stars of various chemical compositions. The kinematic properties of each of these groups are explored via proper motions, and a strong signal emerges of differing proper-motion anisotropies with differing main-sequence color; the bluest main-sequence stars exhibit the largest proper-motion anisotropy which becomes undetectable for the reddest stars. In addition, the bluest stars are also the most centrally concentrated. A similar analysis for Small Magellanic Cloud stars, which are located in the background of 47 Tuc on our frames, yields none of the anisotropy exhibited by the 47 Tuc stars. We discuss implications of these results for possible formation scenarios of the various populations.

Richer, Harvey B.; Heyl, Jeremy [Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1 (Canada); Anderson, Jay; Kalirai, Jason S. [Space Telescope Science Institute, Baltimore, MD 21218 (United States); Shara, Michael M. [Department of Astrophysics, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024 (United States); Dotter, Aaron [Research School of Astronomy and Astrophysics, Australian National University, Weston, ACT 2611 (Australia); Fahlman, Gregory G. [National Research Council, Herzberg Institute of Astrophysics, Victoria, BC V9E 2E7 (Canada); Rich, R. Michael, E-mail: richer@astro.ubc.ca, E-mail: heyl@phas.ubc.ca, E-mail: jayander@stsci.edu, E-mail: jkalarai@stsci.edu, E-mail: mshara@amnh.org, E-mail: aaron.dotter@gmail.com, E-mail: greg.fahlman@nrc-cnrc.gc.ca, E-mail: rmr@astro.ucla.edu [Division of Astronomy and Astrophysics, University of California at Los Angeles, Los Angeles, CA 90095 (United States)

2013-07-01T23:59:59.000Z

293

Development of a portable neutron coincidence counter for field measurements of nuclear materials using the advanced multiplicity capabilities of MCNPX 2.5.F and the neutron coincidence point model  

E-Print Network [OSTI]

Neutron coincidence counting is an important passive Nondestructive Assay (NDA) technique widely used for qualitative and quantitative analysis of nuclear material in bulk samples. During the fission process, multiple neutrons are simultaneously...

Thornton, Angela Lynn

2009-05-15T23:59:59.000Z

294

Development of a portable neutron coincidence counter for field measurements of nuclear materials using the advanced multiplicity capabilities of MCNPX 2.5.F and the neutron coincidence point model  

E-Print Network [OSTI]

Neutron coincidence counting is an important passive Nondestructive Assay (NDA) technique widely used for qualitative and quantitative analysis of nuclear material in bulk samples. During the fission process, multiple neutrons are simultaneously...

Thornton, Angela Lynn

2008-10-10T23:59:59.000Z

295

Code design for multiple-input multiple-output broadcast channels  

E-Print Network [OSTI]

Recent information theoretical results indicate that dirty-paper coding (DPC) achieves the entire capacity region of the Gaussian multiple-input multiple-output (MIMO) broadcast channel (BC). This thesis presents practical code designs for Gaussian...

Uppal, Momin Ayub

2009-06-02T23:59:59.000Z

296

Constraints on flow regimes in wide-aperture fractures  

SciTech Connect (OSTI)

In recent years, significant advances have been made in our understanding of the complex flow processes in individual fractures, aided by flow visualization experiments and conceptual modeling efforts. These advances have led to the recognition of several flow regimes in individual fractures subjected to different initial and boundary conditions. Of these, the most important regimes are film flow, rivulet flow, and sliding of droplets. The existence of such significantly dissimilar flow regimes has been a major hindrance in the development of self-consistent conceptual models of flow for single fractures that encompass all the flow regimes. The objective of this study is to delineate the existence of the different flow regimes in individual fractures. For steady-state flow conditions, we developed physical constraints on the different flow regimes that satisfy minimum energy configurations, which enabled us to segregate the wide range of fracture transmissivity (volumetric flow rate per fracture width) into several flow regimes. These are, in increasing order of flow rate, flow of adsorbed films, flow of sliding drops, rivulet flow, stable film flow, and unstable (turbulent) film flow. The scope of this study is limited to wide-aperture fractures with the flow on the opposing sides of fracture being independent.

Ghezzehei, Teamrat A.

2004-02-28T23:59:59.000Z

297

Geological problems in radioactive waste isolation - A world wide review  

SciTech Connect (OSTI)

The problem of isolating radioactive wastes from the biosphere presents specialists in the earth sciences with some of the most complicated problems they have ever encountered. This is especially true for high-level waste (HLW), which must be isolated in the underground and away from the biosphere for thousands of years. The most widely accepted method of doing this is to seal the radioactive materials in metal canisters that are enclosed by a protective sheath and placed underground in a repository that has been carefully constructed in an appropriate rock formation. Much new technology is being developed to solve the problems that have been raised, and there is a continuing need to publish the results of new developments for the benefit of all concerned. Table 1 presents a summary of the various formations under investigation according to the reports submitted for this world wide review. It can be seen that in those countries that are searching for repository sites, granitic and metamorphic rocks are the prevalent rock type under investigation. Six countries have developed underground research facilities that are currently in use. All of these investigations are in saturated systems below the water table, except the United States project, which is in the unsaturated zone of a fractured tuff.

Witherspoon, P.A. [Lawrence Berkeley Lab., CA (United States)

1991-06-01T23:59:59.000Z

298

Rank Modulation with Multiplicity Anxiao (Andrew) Jiang  

E-Print Network [OSTI]

Rank Modulation with Multiplicity Anxiao (Andrew) Jiang Computer Science and Eng. Dept. Texas A&M University College Station, TX 77843 yuewang@cse.tamu.edu Abstract--Rank modulation is a scheme that uses-change memories, etc. An extension of rank modulation is studied in this paper, where multiple cells can have

Jiang, Anxiao "Andrew"

299

Multiple criteria minimum spanning trees Pedro Cardoso  

E-Print Network [OSTI]

Multiple criteria minimum spanning trees Pedro Cardoso M´ario Jesus ´Alberto M´arquez Abstract The NP multiple criteria minimum spanning tree as several applications into the network design problems criteria minimum spanning trees. There are several geometric network design and application problems

Coello, Carlos A. Coello

300

Dynamic Behavior of Multiple Inversions Senior Thesis  

E-Print Network [OSTI]

Dynamic Behavior of Multiple Inversions Ilya Baran Senior Thesis Boston University Academy Under functions. To iterate a function means to compose it with itself multiple times. Unless stated otherwise, we a circle centered at O with radius r is a point A 0 on the ray \\Gamma! OA such that OA r = r OA 0 (see

Popovic, Jovan

Note: This page contains sample records for the topic "wide spread multiple" 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

Probabilistic rank aggregation for multiple SVM ranking.  

E-Print Network [OSTI]

??Learning to rank is a fast growing research problem in Machine Learning and Information Retrieval. Ranking Support Vector Machine (RSVM) is a widely adopted ranking… (more)

Cheung, Chi Wai

2009-01-01T23:59:59.000Z

302

Multiple-Source and Multiple-Destination Charge Migration in Hybrid Electrical Energy Storage Systems*  

E-Print Network [OSTI]

Multiple-Source and Multiple-Destination Charge Migration in Hybrid Electrical Energy Storage massimo.poncino@polito.it Abstract-- Hybrid electrical energy storage (HEES) systems consist of multiple banks of heterogeneous electrical energy storage (EES) elements that are connected to each other through

Pedram, Massoud

303

Wide Field Hard X-ray Survey Telescope: ProtoEXIST1  

E-Print Network [OSTI]

We report our progress on the development of pixellated imaging CZT detector arrays for our first-generation balloon-borne wide-field hard X-ray (20 - 600 keV) telescope, ProtoEXIST1. Our ProtoEXIST program is a pathfinder for the High Energy Telescope (HET) on the Energetic X-ray Imaging Survey telescope (EXIST), a proposed implementation of the Black Hole Finder Probe. ProtoEXIST1 consists of four independent coded-aperture telescopes with close-tiled (~0.4 mm gaps) CZT detectors that preserve their 2.5mm pixel pitch. Multiple shielding/field-of-view configurations are planned to identify optimal geometry for the HET in EXIST. The primary technical challenge in ProtoEXIST is the development of large area, close-tiled modules of imaging CZT detectors (1000 cm2 for ProtoEXIST1), with all readout and control systems for the ASIC readout vertically stacked. We describe the overall telescope configuration of ProtoEXIST1 and review the current development status of the CZT detectors, from individual detector crys...

Hong, J; Chammas, N; Allen, B; Copete, A; Said, B; Burke, M; Howell, J; Gauron, T; Baker, R G; Barthelmy, S D; Sheikh, S; Gehrels, N; Cook, W R; Burnham, J A; Harrison, F A; Collins, J; Labov, S; Garson, A; Krawczynski, H

2007-01-01T23:59:59.000Z

304

Measuring the neutrino mass from future wide galaxy cluster catalogues  

SciTech Connect (OSTI)

We present forecast errors on a wide range of cosmological parameters obtained from a photometric cluster catalogue of a future wide-field Euclid-like survey. We focus in particular on the total neutrino mass as constrained by a combination of the galaxy cluster number counts and correlation function. For the latter we consider only the shape information and the Baryon Acoustic Oscillations (BAO), while marginalising over the spectral amplitude and the redshift space distortions. In addition to the cosmological parameters of the standard ?CDM+? model we also consider a non-vanishing curvature, and two parameters describing a redshift evolution for the dark energy equation of state. For completeness, we also marginalise over a set of ''nuisance'' parameters, representing the uncertainties on the cluster mass determination. We find that combining cluster counts with power spectrum information greatly improves the constraining power of each probe taken individually, with errors on cosmological parameters being reduced by up to an order of magnitude. In particular, the best improvements are for the parameters defining the dynamical evolution of dark energy, where cluster counts break degeneracies. Moreover, the resulting error on neutrino mass is at the level of ?(M{sub ?}) ? 0.9 eV, comparable with that derived from present Ly? forest measurements and Cosmic Microwave background (CMB) data in the framework of a non-flat Universe. Further adopting Planck priors and reducing the number of free parameters to a ?CDM+? cosmology allows to place constraints on the total neutrino mass of ?(M{sub ?}) ? 0.08 eV, close to the lower bound enforced by neutrino oscillation experiments. Finally, in the optimistic case where uncertainties in the calibration of the mass-observable relation were so small to be neglected, the combination of Planck priors with cluster counts and power spectrum would constrain the total neutrino mass down to ?(M{sub ?}) ? 0.034 eV, i.e. the minimum neutrino mass predicted by oscillation experiments would be detected in a ?CDM framework. We thus show that galaxy clusters from future wide galaxy surveys will be an excellent tool for studying cosmology and fundamental physics.

Carbone, Carmelita; Moscardini, Lauro; Cimatti, Andrea [Dipartimento di Astronomia, Alma Mater Studiorum-Università di Bologna, via Ranzani 1, I-40127 Bologna (Italy); Fedeli, Cosimo, E-mail: carmelita.carbone@unibo.it, E-mail: cosimo.fedeli@astro.ufl.edu, E-mail: lauro.moscardini@unibo.it, E-mail: a.cimatti@unibo.it [Department of Astronomy, University of Florida, 211 Bryant Space Science Center, Gainesville, FL 32611 (United States)

2012-03-01T23:59:59.000Z

305

Wide-field surveys from the SNAP mission  

SciTech Connect (OSTI)

The Supernova/Acceleration Probe (SNAP) is a proposed space-borne observatory that will survey the sky with a wide-field optical/NIR imager. The images produced by SNAP will have an unprecedented combination of depth, solid-angle, angular resolution, and temporal sampling. Two 7.5 square-degree fields will be observed every four days over 16 months to a magnitude depth of AB = 27.7 in each of nine filters. Co-adding images over all epochs will give an AB = 30.3 per filter. A 300 square-degree field will be surveyed with no repeat visits to AB = 28 per filter. The nine filters span 3500-17000 {angstrom}. Although the survey strategy is tailored for supernova and weak gravitational lensing observations, the resulting data supports a broad range of auxiliary science programs.

agkim@lbl.gov

2002-07-23T23:59:59.000Z

306

The University of Hawaii Wide Field Imager (UHWFI)  

E-Print Network [OSTI]

The University of Hawaii Wide-Field Imager (UHWFI) is a focal compressor system designed to project the full half-degree field of the UH 2.2 m telescope onto the refurbished UH 8Kx8K CCD camera. The optics use Ohara glasses and are mounted in an oil-filled cell to minimize light losses and ghost images from the large number of internal lens surfaces. The UHWFI is equipped with a six-position filter wheel and a rotating sector blade shutter,both driven by stepper motors. The instrument saw first light in 2004 in an engineering mode. After filling the lens cell with index matching oil, integration of all software components into the user interface, tuning of the CCD performance, and the purchase of the final filter set, UHWFI is now fully commissioned at the UH 2.2 m telescope.

Klaus W. Hodapp; Andreas Seifahrt; Gerard A. Luppino; Richard Wainscoat; Ed Sousa; Hubert Yamada; Alan Ryan; Richard Shelton; Mel Inouye; Andrew J. Pickles; Yanko K. Ivanov

2006-04-01T23:59:59.000Z

307

Wide-range radioactive-gas-concentration detector  

DOE Patents [OSTI]

A wide-range radioactive-gas-concentration detector and monitor capable of measuring radioactive-gas concentrations over a range of eight orders of magnitude is described. The device is designed to have an ionization chamber sufficiently small to give a fast response time for measuring radioactive gases but sufficiently large to provide accurate readings at low concentration levels. Closely spaced parallel-plate grids provide a uniform electric field in the active region to improve the accuracy of measurements and reduce ion migration time so as to virtually eliminate errors due to ion recombination. The parallel-plate grids are fabricated with a minimal surface area to reduce the effects of contamination resulting from absorption of contaminating materials on the surface of the grids. Additionally, the ionization-chamber wall is spaced a sufficient distance from the active region of the ionization chamber to minimize contamination effects.

Anderson, D.F.

1981-11-16T23:59:59.000Z

308

Ultra Wide Band RFID Neutron Tags for Nuclear Materials Monitoring  

SciTech Connect (OSTI)

Recent advancements in the ultra-wide band Radio Frequency Identification (RFID) technology and solid state pillar type neutron detectors have enabled us to move forward in combining both technologies for advanced neutron monitoring. The LLNL RFID tag is totally passive and will operate indefinitely without the need for batteries. The tag is compact, can be directly mounted on metal, and has high performance in dense and cluttered environments. The LLNL coin-sized pillar solid state neutron detector has achieved a thermal neutron detection efficiency of 20% and neutron/gamma discrimination of 1E5. These performance values are comparable to a fieldable {sup 3}He based detector. In this paper we will discuss features about the two technologies and some potential applications for the advanced safeguarding of nuclear materials.

Nekoogar, F; Dowla, F; Wang, T

2010-01-27T23:59:59.000Z

309

The influence of ridge geometry at the ultraslow-spreading Southwest Indian Ridge (9?-25?E) : basalt composition sensitivity to variations in source and process  

E-Print Network [OSTI]

Between 90-25° E on the ultraslow-spreading Southwest Indian Ridge lie two sharply contrasting supersegments. One 630 km long supersegment erupts N-MORB that is progressively enriched in incompatible element concentrations ...

Standish, Jared Jeffrey

2006-01-01T23:59:59.000Z

310

Evidence for extinct subduction zones and spreading centers in the Sulu and Celebes Seas from gravity and seismic refraction data  

E-Print Network [OSTI]

a crustal age of 17-18 Ma at this site (Scherer, 1991). The basement rocks of the Sulu Basin drilled about 220m beneath lower Miocene pelagic sediments consist of pillow basalts, dolerite, and pyroxene microgabbro fol- lowed by pillowed... have been proposed for the tectonic origin of the Sulu and Celebes Basins; trapped fragments from a larger oceanic plate, and back-arc spreading, and rifting from the Southeast Asia margin. The age for the Celebes Basin has been proposed as mid- dle...

Syed, Fakhar Habib

1993-01-01T23:59:59.000Z

311

Development of a system for quantifying the rate of spread of oak wilt using remote sensing and geographic information systems  

E-Print Network [OSTI]

Page Summary of areal statistics for all disease centers 33 Summary of linear growth statistics for all disease centers LIST OF FISURES Figure Page Location of study sites 12 Example of report generated by ARC/INFO system 21 Process of locating... of the system developed to analyze the rate of spread of the oak wilt fungus 32 Progress of oak wilt by octants. Travis Heights 1982 ? 1987 36 Predicted lines for the amount of dead crown cover 39 Predicted lines for the amount of diseased crown cover 40...

Ware, Charles William

1990-01-01T23:59:59.000Z

312

A Multiple Network Approach to Corporate Governance  

E-Print Network [OSTI]

In this work, we consider Corporate Governance ties among companies from a multiple network perspective. Such a structurenaturally arises from the close interrelation between the Shareholding Network and the Board of Directors network. Inorder to capture the simultaneous effects on both networks on Corporate Governance, we propose to model the Corporate Governance multiple network structure via tensor analysis. In particular, we consider the TOPHITS model, based on the PARAFAC tensor decomposition, to show that tensor techniques can be successfully applied in this context. After providing some empirical results from the Italian financial market in the univariate case, we will show that a tensor-based multiple network approach can reveal important information.

Bonacina, Fausto; Moretto, Enrico; Stefani, Silvana; Torriero, Anna

2014-01-01T23:59:59.000Z

313

A Study of Multiplicities in Hadronic Interactions  

SciTech Connect (OSTI)

Using data from the SELEX (Fermilab E781) experiment obtained with a minimum-bias trigger, we study multiplicity and angular distributions of secondary particles produced in interactions in the experimental targets. We observe interactions of {Sigma}{sup -}, proton, {pi}{sup -}, and {pi}{sup +}, at beam momenta between 250 GeV/c and 650 GeV/c, in copper, polyethylene, graphite, and beryllium targets. We show that the multiplicity and angular distributions for meson and baryon beams at the same momentum are identical. We also show that the mean multiplicity increases with beam momentum, and presents only small variations with the target material.

Estrada Tristan, Nora Patricia; /San Luis Potosi U.

2006-02-01T23:59:59.000Z

314

A 2-Stage Genome-Wide Association Study to Identify Single Nucleotide Polymorphisms Associated With Development of Erectile Dysfunction Following Radiation Therapy for Prostate Cancer  

SciTech Connect (OSTI)

Purpose: To identify single nucleotide polymorphisms (SNPs) associated with development of erectile dysfunction (ED) among prostate cancer patients treated with radiation therapy. Methods and Materials: A 2-stage genome-wide association study was performed. Patients were split randomly into a stage I discovery cohort (132 cases, 103 controls) and a stage II replication cohort (128 cases, 102 controls). The discovery cohort was genotyped using Affymetrix 6.0 genome-wide arrays. The 940 top ranking SNPs selected from the discovery cohort were genotyped in the replication cohort using Illumina iSelect custom SNP arrays. Results: Twelve SNPs identified in the discovery cohort and validated in the replication cohort were associated with development of ED following radiation therapy (Fisher combined P values 2.1 Multiplication-Sign 10{sup -5} to 6.2 Multiplication-Sign 10{sup -4}). Notably, these 12 SNPs lie in or near genes involved in erectile function or other normal cellular functions (adhesion and signaling) rather than DNA damage repair. In a multivariable model including nongenetic risk factors, the odds ratios for these SNPs ranged from 1.6 to 5.6 in the pooled cohort. There was a striking relationship between the cumulative number of SNP risk alleles an individual possessed and ED status (Sommers' D P value = 1.7 Multiplication-Sign 10{sup -29}). A 1-allele increase in cumulative SNP score increased the odds for developing ED by a factor of 2.2 (P value = 2.1 Multiplication-Sign 10{sup -19}). The cumulative SNP score model had a sensitivity of 84% and specificity of 75% for prediction of developing ED at the radiation therapy planning stage. Conclusions: This genome-wide association study identified a set of SNPs that are associated with development of ED following radiation therapy. These candidate genetic predictors warrant more definitive validation in an independent cohort.

Kerns, Sarah L. [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States) [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States); Departments of Pathology and Genetics, Albert Einstein College of Medicine, Bronx, New York (United States); Stock, Richard [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States)] [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States); Stone, Nelson [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States) [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States); Department of Urology, Mount Sinai School of Medicine, New York, New York (United States); Buckstein, Michael [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States)] [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States); Shao, Yongzhao [Division of Biostatistics, New York University School of Medicine, New York, New York (United States)] [Division of Biostatistics, New York University School of Medicine, New York, New York (United States); Campbell, Christopher [Departments of Pathology and Genetics, Albert Einstein College of Medicine, Bronx, New York (United States)] [Departments of Pathology and Genetics, Albert Einstein College of Medicine, Bronx, New York (United States); Rath, Lynda [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States)] [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States); De Ruysscher, Dirk; Lammering, Guido [Department of Radiation Oncology, Maastricht University Medical Center, Maastricht (Netherlands)] [Department of Radiation Oncology, Maastricht University Medical Center, Maastricht (Netherlands); Hixson, Rosetta; Cesaretti, Jamie; Terk, Mitchell [Florida Radiation Oncology Group, Jacksonville, Florida (United States)] [Florida Radiation Oncology Group, Jacksonville, Florida (United States); Ostrer, Harry [Departments of Pathology and Genetics, Albert Einstein College of Medicine, Bronx, New York (United States)] [Departments of Pathology and Genetics, Albert Einstein College of Medicine, Bronx, New York (United States); Rosenstein, Barry S., E-mail: barry.rosenstein@mssm.edu [Department of Radiation Oncology, Mount Sinai School of Medicine, New York, New York (United States); Department of Radiation Oncology, New York University School of Medicine, New York, New York (United States); Departments of Dermatology and Preventive Medicine, Mount Sinai School of Medicine, New York, New York (United States)

2013-01-01T23:59:59.000Z

315

Development of autonomous magnetometer rotorcraft for wide area assessment  

SciTech Connect (OSTI)

Large areas across the United States are potentially contaminated with UXO, with some ranges encompassing tens to hundreds of thousands of acres. Technologies are needed which will allow for cost effective wide area scanning with 1) near 100 % coverage and 2) near 100 % detection of subsurface ordnance or features indicative of subsurface ordnance. The current approach to wide area assessment is a multi-level one, in which medium - altitude fixed wing optical imaging is used for an initial site assessment. This assessment is followed with low altitude manned helicopter based magnetometry. Subsequent to this wide area assessment targeted surface investigations are performed using either towed geophysical sensor arrays or man portable sensors. In order to be an effective tool for small UXO detection, the sensing altitude for magnetic site investigations needs to be on the order of 1 – 3 meters. These altitude requirements mean that manned helicopter surveys will generally only be feasible in large, open and relatively flat terrains. While such surveys are effective in mapping large areas relatively fast there are substantial mobilization/demobilization, staffing and equipment costs associated with these surveys (resulting in costs of approximately $100-$150/acre). In addition, due to the low altitude there are substantial risks to pilots and equipment. Surface towed arrays provide high resolution maps but have other limitations, e.g. in their ability to navigate rough terrain effectively. There is thus a need for other systems which can be used for effective data collection. An UAV (Unmanned Aerial Vehicle) magnetometer platform is an obvious alternative. The motivation behind such a system is that it reduces risk to operators, is lower in initial and Operational and Maintenance (O&M) costs (and can thus potentially be applied to smaller sites) and has the potential of being more effective in terms of detection and possibly characterization (through the use of dynamic acquisition, i.e. survey mission inflight reprioritization). We describe and report on a one year effort with as primary goal to provide a recommendation to SERDP for a path forward in the implementation of one or more autonomous unmanned magnetometer rotorcraft platforms. This recommendation (which is provided in chapter 6) is based on the following three elements a) An assessment on the applicability of autonomous rotorcraft magnetometer systems to the current DoD site inventory, and an initial assessment of which type(s) of autonomous unmanned magnetometer rotorcraft platforms (in terms of performance characteristics such as payload, altitude, obstacle avoidance, production rate and flight time) would be most relevant to this inventory (chapter 3); b) An evaluation of the feasibility of assembling such platforms from commercial components (unmanned rotorcraft, control systems and sensors – both magnetometer sensors and supporting sensors). This evaluation included several highly successful field tests (chapter 4 and 5); c) A recommendation of the path forward, which includes a detailed outline of the efforts required in the design, assembly and testing of different modular platforms (chapter 6)

Roelof Versteeg; Matt Anderson; Les Beard; Eric Corban; Darryl Curley; Jeff Gamey; Ross Johnson; Dwight Junkin; Mark McKay; Jared Salzmann; Mikhail Tchernychev; Suraj Unnikrishnan; Scott Vinson

2010-04-01T23:59:59.000Z

316

Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs  

E-Print Network [OSTI]

Anisotropic grid–adaptive strategies are presented for viscous flow simulations in which the accurate prediction of multiple aerodynamic outputs (such as the lift, drag, and moment coefficients) is required from a single ...

Venditti, David A.

317

Integrating Multiple Alarms & Driver Situation Awareness  

E-Print Network [OSTI]

This study addresses this gap in CAS and intelligent alarm research by examining whether or not a single master alarm warning versus multiple warnings for the different collision warning systems conveys adequate information ...

Cummings, M. L.

2006-01-01T23:59:59.000Z

318

The multiple vortex nature of tropical cyclogenesis  

E-Print Network [OSTI]

cells and vortices are the respective source of PV production and building blocks for the meso-?-scale vortices. Finally, this thesis discusses issues related to the multiple vortex nature of tropical cyclone formation. For instance, the tracking...

Sippel, Jason Allen

2005-02-17T23:59:59.000Z

319

Nonparametric estimation of multiple structures with outliers  

E-Print Network [OSTI]

Nonparametric estimation of multiple structures with outliers Wei Zhang and Jana Kosecka George outliers (pseudo outliers) to it in addition to the true outliers (gross outliers). The problem of robust

Kosecka, Jana

320

Acoustic signal estimation using multiple blind observations  

E-Print Network [OSTI]

This thesis proposes two algorithms for recovering an acoustic signal from multiple blind measurements made by sensors (microphones) over an acoustic channel. Unlike other algorithms that use a posteriori probabilistic ...

Lee, Joonsung

2006-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Galois representations with quaternion multiplication associated to ...  

E-Print Network [OSTI]

Aug 19, 2013 ... 1 ? ?, each of multiplicity d, and all eigenvalues of the characteristic polynomial of a geometric ... When d = 1, by appealing to the now established Serre's conjecture, one concludes ...... MR2368983 (2009a:11102). [ASD71].

A.O.L. Atkin; Wen-Ching Winnie Li; Tong Liu; Ling Long

2013-09-18T23:59:59.000Z

322

Multiple Vehicle Routing Problem with Fuel Constraints  

E-Print Network [OSTI]

In this paper, a Multiple Vehicle Routing Problem with Fuel Constraints (MVRPFC) is considered. This problem consists of a field of targets to be visited, and a collection of vehicles with fuel tanks that may visit the targets. Consideration...

Levy, David

2013-06-26T23:59:59.000Z

323

Algorithms for Multiple Vehicle Routing Problems  

E-Print Network [OSTI]

Surveillance and monitoring applications require a collection of heterogeneous vehicles to visit a set of targets. This dissertation considers three fundamental routing problems involving multiple vehicles that arise in these applications. The main...

Bae, Jung Yun

2014-06-02T23:59:59.000Z

324

The MARVEL assembly for neutron multiplication  

SciTech Connect (OSTI)

A new multiplying test assembly is under development at Idaho National Laboratory to support research, validation, evaluation, and learning. The item is comprised of three stacked, highly-enriched uranium (HEU) cylinders, each 11.4 cm in diameter and having a combined height of up to 11.7 cm. The combined mass of all three cylinders is 20.3 kg of HEU. Calculations for the bare configuration of the assembly indicate a multiplication level of >3.5 (keff=0.72). Reflected configurations of the assembly, using either polyethylene or tungsten, are possible and have the capability of raising the assembly's multiplication level to greater than 10. This paper describes simulations performed to assess the assembly's multiplication level under different conditions and describes the resources available at INL to support the use of these materials. We also describe some preliminary calculations and test activities using the assembly to study neutron multiplication.

David L. Chichester; Mathew T. Kinlaw

2013-10-01T23:59:59.000Z

325

An improved model for multiple effect distillation  

E-Print Network [OSTI]

Increasing global demand for fresh water is driving research and development of advanced desalination technologies. As a result, a detailed model of multiple effect distillation (MED) is developed that is flexible, simple ...

Mistry, Karan H.

326

Cosmological Perturbations with Multiple Scalar Fields  

E-Print Network [OSTI]

In this brief note we present a set of equations describing the evolution of perturbed scalar fields in a cosmological spacetime with multiple scalar fields. We take into account of the simultaneously excited full metric perturbations in the context of the uniform-curvature gauge which is known to be the best choice. The equations presented in a compact form will be useful for handling the structure formation processes under the multiple episodes of inflation.

J. Hwang

1996-08-08T23:59:59.000Z

327

The XMM-Newton Wide Angle Survey (XWAS)  

E-Print Network [OSTI]

This programme is aimed at obtaining one of the largest X-ray selected samples of identified active galactic nuclei to date in order to characterise such a population at intermediate fluxes, where most of the Universe's accretion power originates. We present the XMM-Newton Wide Angle Survey (XWAS), a new catalogue of almost a thousand X-ray sources spectroscopically identified through optical observations. A sample of X-ray sources detected in 68 XMM-Newton pointed observations was selected for optical multi-fibre spectroscopy. Optical counterparts and corresponding photometry of the X-ray sources were obtained from the SuperCOSMOS Sky Survey. Candidates for spectroscopy were initially selected with magnitudes down to R~21, with preference for X-ray sources having a flux F(0.5-4.5 keV) >10^-14 erg s^-1 cm^-2. Optical spectroscopic observations performed at the Anglo Australian Telescope Two Degree Field were analysed, and the derived spectra were classified based on optical emission lines. We have identified ...

Esquej, P; Carrera, F J; Mateos, S; Tedds, J; Watson, M G; Corral, A; Ebrero, J; Krumpe, M; Rosen, S R; Ceballos, M T; Schwope, A; Page, C; Alonso-Herrero, A; Caccianiga, A; Della Ceca, R; Gonzalez-Martín, O; Lamer, G; Severgnini, P

2013-01-01T23:59:59.000Z

328

Lower hybrid instability driven by mono-energy {alpha}-particles with finite pitch angle spread in a plasma  

SciTech Connect (OSTI)

A kinetic formalism of lower hybrid wave instability, driven by mono-energy {alpha}-particles with finite pitch angle spread, is developed. The instability arises through cyclotron resonance interaction with high cyclotron harmonics of {alpha}-particles. The {alpha}-particles produced in D-T fusion reactions have huge Larmor radii ({approx}10 cm) as compared to the wavelength of the lower hybrid wave, whereas their speed is an order of magnitude smaller than the speed of light in vacuum. As a result, large parallel phase velocity lower hybrid waves, suitable for current drive in tokamak, are driven unstable via coupling to high cyclotron harmonics. The growth rate decreases with increase in pitch angle spread of the beam. At typical electron density of {approx}10{sup 19} m{sup -3}, magnetic field {approx}4 Tesla and {alpha}-particle concentration {approx}0.1%, the large parallel phase velocity lower hybrid wave grows on the time scale of 20 ion cyclotron periods. The growth rate decreases with plasma density.

Kumar, Pawan; Singh, Vishwesh; Tripathi, V. K. [Department of Physics, IIT Delhi, New Delhi-110016 (India)

2013-02-15T23:59:59.000Z

329

Spreading of thermonuclear flames on the neutron star in SAX J1808.4-3658: an observational tool  

E-Print Network [OSTI]

We analyse archival Rossi X-Ray Timing Explorer (RXTE) proportional counter array (PCA) data of thermonuclear X-ray bursts from the 2002 outburst of the accreting millisecond pulsar SAX J1808.4-3658. We present evidence of nonmonotonic variations of oscillation frequency during burst rise, and correlations among the time evolution of the oscillation frequency, amplitude, and the inferred burning region area. We also discuss that the amplitude and burning region area evolutions are consistent with thermonuclear flame spreading on the neutron star surface. Based on this discussion, we infer that for the 2002 Oct. 15 thermonuclear burst, the ignition likely occured in the mid-latitudes, the burning region took ~ 0.2 s to nearly encircle the equatorial region of the neutron star, and after that the lower amplitude oscillation originated from the remaining asymmetry of the burning front in the same hemisphere where the burst ignited. Our observational findings and theoretical discussion indicate that studies of the evolution of burst oscillation properties during burst rise can provide a powerful tool to understand thermonuclear flame spreading on neutron star surfaces under extreme physical conditions.

Sudip Bhattacharyya; Tod E. Strohmayer

2006-04-03T23:59:59.000Z

330

V-125: Cisco Connected Grid Network Management System Multiple...  

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

5: Cisco Connected Grid Network Management System Multiple Vulnerabilities V-125: Cisco Connected Grid Network Management System Multiple Vulnerabilities April 3, 2013 - 1:44am...

331

V-090: Adobe Flash Player / AIR Multiple Vulnerabilities | Department...  

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

0: Adobe Flash Player AIR Multiple Vulnerabilities V-090: Adobe Flash Player AIR Multiple Vulnerabilities February 13, 2013 - 12:14am Addthis PROBLEM: Adobe Flash Player AIR...

332

accurate multiple locus: Topics by E-print Network  

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

severe economic losses in the main apple producing areas of East Asia. The causal Biggs, Alan R. 8 Accurate Matrix Multiplication with Multiple Floating-point Numbers...

333

Project Profile: CSP Energy Storage Solutions - Multiple Technologies...  

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

Energy Storage Solutions - Multiple Technologies Compared Project Profile: CSP Energy Storage Solutions - Multiple Technologies Compared US Solar Holdings logo US Solar Holdings,...

334

V-205: IBM Tivoli System Automation for Multiplatforms Java Multiple...  

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

5: IBM Tivoli System Automation for Multiplatforms Java Multiple Vulnerabilities V-205: IBM Tivoli System Automation for Multiplatforms Java Multiple Vulnerabilities July 29, 2013...

335

Covalency in Metal-Oxygen Multiple Bonds Evaluated Using Oxygen...  

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

Covalency in Metal-Oxygen Multiple Bonds Evaluated Using Oxygen K-edge Spectroscopy and Electronic Structure Theory . Covalency in Metal-Oxygen Multiple Bonds Evaluated Using...

336

In Situ Live Cell Sensing of Multiple Nucleotides Exploiting...  

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

In Situ Live Cell Sensing of Multiple Nucleotides Exploiting DNARNA Aptamers and Graphene Oxide Nanosheets. In Situ Live Cell Sensing of Multiple Nucleotides Exploiting DNARNA...

337

Preliminary assessment of the ecological risks to wide-ranging wildlife species on the Oak Ridge Reservation. 1996 update  

SciTech Connect (OSTI)

More than approximately 50 years of operations, storage, and disposal of wastes generated by the three facilities on the Oak Ridge Reservation (ORR) (the Oak Ridge K-25 Site, Oak Ridge National Laboratory, and the Oak Ridge Y-12 Plant) has resulted in a mosaic of uncontaminated property and lands that are contaminated to varying degrees. This contaminated property includes source areas and the terrestrial and aquatic habitats down gradient from these source areas. Although the integrator OUs generally contain considerable habitat for biota, the source OUs provide little or no suitable habitat. Historically, ecological risk assessment at Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) sites has focused on species that may be definitively associated with a contaminated area or source OU. Endpoints considered in source OUs include plants, soil/litter invertebrates and processes, aquatic biota found in on-OU sediments and surface waters, and small herbivorous, omnivorous, and vermivorous (i.e., feeding on ground, litter, or soil invertebrates) wildlife. All of these endpoints have limited spatial distributions or home ranges such that numerous individuals or a distinct population can be expected to reside within the boundaries of the source OU. Most analyses are not adequate for large sites with multiple, spatially separated contaminated areas such as the ORR that provide habitat for wide-ranging wildlife species. This report is a preliminary response to a plan for assessing risks to wide-ranging species.

Sample, B.E.; Hinzman, R.L.; Jackson, B.L.; Baron, L.

1996-09-01T23:59:59.000Z

338

New York State-wide Alternative Fuel Vehicle Program for Vehicles...  

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

New York State-wide Alternative Fuel Vehicle Program for Vehicles and Fueling Stations New York State-wide Alternative Fuel Vehicle Program for Vehicles and Fueling Stations 2010...

339

High-power single mode solid state laser with short wide unstable cavity: Misprints  

E-Print Network [OSTI]

1 High-power single mode solid state laser with short wide unstable cavity: Misprints D. Kouznetsov. Kouznetsov, J.-F. Bisson, K. Takaichi K. Ueda. High-power single mode solid state laser with short wide

Kouznetsov, Dmitrii

340

EIS-0281: Notice of Intent to Prepare a Site-Wide Environmental...  

Office of Environmental Management (EM)

281: Notice of Intent to Prepare a Site-Wide Environmental Impact Statement EIS-0281: Notice of Intent to Prepare a Site-Wide Environmental Impact Statement Sandia National...

Note: This page contains sample records for the topic "wide spread multiple" 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

EIS-0387: DOE Notice of Availability of the Draft Site-Wide Environmen...  

Office of Environmental Management (EM)

DOE Notice of Availability of the Draft Site-Wide Environmental Impact Statement EIS-0387: DOE Notice of Availability of the Draft Site-Wide Environmental Impact Statement Y-12...

342

accurate world-wide geophysical: Topics by E-print Network  

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

12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 World Wide Web Search Engines 155 World Wide Web Computer Technologies and Information Sciences...

343

Energy biomass from large rangeland shrubs of the intermountain United States. [Sagebrush, Saltbush, Greasewood, Rubber Rabbitbrush, Spreading Rabbitbush  

SciTech Connect (OSTI)

Large individual plants within a few species of rangeland shrubs were studied in several intermountain states for their potential use in establishing biomass fuel energy plantations. Biomass and other shrub physical characteristics plus site data were recorded for big sagebrush, fourwing saltbush, big saltbush, greasewood, rubber rabbitbrush, and spreading rabbitbrush (C. linifolius) in 34 locations. Samples of current year's growth and woody tissue were analyzed for burning qualities (heat of combustion, S, mositure, and ash content). Greatest biomass/plant of the individuals sampled was found in greasewood with fourwing saltbush, rubber rabbitbrush, and sagebrush following in decreasing order. Burning qualities varied among the species analyzed. The heat of combustion of the woody material from all shrubs was approximately 4500 kcal/kg, but current year's growth varied considerably among species.

van Epps, G.A.; Barker, J.R.; McKell, C.M.

1982-01-01T23:59:59.000Z

344

Steps for Switching to Digest Version of Daily Campus-wide Emails The "digest" version compiles all individual campus-wide emails sent through the Computing  

E-Print Network [OSTI]

Steps for Switching to Digest Version of Daily Campus-wide Emails The "digest" version compiles all) Under "Set Digest Mode," switch to "On." 8) Click the "Submit My Changes" button You're done! You should 24 hour period. To switch to the digest version for all campus-wide emails sent to students, faculty

Selmic, Sandra

345

PURPOSE: This product provides simulation capabilities to allow water resource managers to meet operational and water quality objectives in a basin wide approach under the System-Wide  

E-Print Network [OSTI]

Manage- ment System (CWMS). ERDC TN-SWWRP-11-2 February 2011 Meeting Water Quality and Water Control operational and water quality objectives in a basin wide approach under the System-Wide Water Resources the impact of water quality in reservoir operations system decision-making. As a result, integration

US Army Corps of Engineers

346

Generalized Mercury/Waterfilling for Multiple-Input Multiple-Output Channels  

E-Print Network [OSTI]

Generalized Mercury/Waterfilling for Multiple-Input Multiple-Output Channels Fernando P procedure that generalizes the mercury/waterfilling algorithm, previously proposed for parallel non-interfering chan- nels. In this generalization the mercury level accounts for the sub- optimal (non-Gaussian) input

Verdú, Sergio

347

Weak-Axis Behavior of Wide Flange Columns Subjected to Blast  

E-Print Network [OSTI]

the effect of blast loading on wide flange columns loaded perpendicular to the weak axis of bending field detonations. Furthermore, past studies investigating the effect of blast load- ing on wide flangeWeak-Axis Behavior of Wide Flange Columns Subjected to Blast Nagarjun Krishnappa1 ; Michel Bruneau

Bruneau, Michel

348

ON ACCURACY OF NUMERICAL EMC/EMI MODELING OVER A WIDE FREQUENCY RANGE  

E-Print Network [OSTI]

1 ON ACCURACY OF NUMERICAL EMC/EMI MODELING OVER A WIDE FREQUENCY RANGE Sergey Loyka EMC Lab: loyka@nemc.belpak.minsk.by Abstract - Numerical EMC/EMI modeling over a wide frequency range requires computational efficiency is proposed. I. INTRODUCTION Almost all the EMC problems are wide frequency range ones

Loyka, Sergey

349

Charged-particle multiplicity at LHC energies  

ScienceCinema (OSTI)

The talk presents the measurement of the pseudorapidity density and the multiplicity distribution with ALICE at the achieved LHC energies of 0.9 and 2.36 TeV.An overview about multiplicity measurements prior to LHC is given and the related theoretical concepts are briefly discussed.The analysis procedure is presented and the systematic uncertainties are detailed. The applied acceptance corrections and the treatment of diffraction are discussed.The results are compared with model predictions. The validity of KNO scaling in restricted phase space regions is revisited. 

None

2011-10-06T23:59:59.000Z

350

Laser isotope separation by multiple photon absorption  

DOE Patents [OSTI]

Multiple photon absorption from an intense beam of infrared laser light may be used to induce selective chemical reactions in molecular species which result in isotope separation or enrichment. The molecular species must have a sufficient density of vibrational states in its vibrational manifold that, is the presence of sufficiently intense infrared laser light tuned to selectively excite only those molecules containing a particular isotope, multiple photon absorption can occur. By this technique, for example, intense CO[sub 2] laser light may be used to highly enrich [sup 34]S in natural SF[sub 6] and [sup 11]B in natural BCl[sub 3]. 8 figs.

Robinson, C.P.; Rockwood, S.D.; Jensen, R.J.; Lyman, J.L.; Aldridge, J.P. III.

1987-04-07T23:59:59.000Z

351

Laser isotope separation by multiple photon absorption  

DOE Patents [OSTI]

Multiple photon absorption from an intense beam of infrared laser light may be used to induce selective chemical reactions in molecular species which result in isotope separation or enrichment. The molecular species must have a sufficient density of vibrational states in its vibrational manifold that, is the presence of sufficiently intense infrared laser light tuned to selectively excite only those molecules containing a particular isotope, multiple photon absorption can occur. By this technique, for example, intense CO.sub.2 laser light may be used to highly enrich .sup.34 S in natural SF.sub.6 and .sup.11 B in natural BCl.sub.3.

Robinson, C. Paul (Los Alamos, NM); Rockwood, Stephen D. (Los Alamos, NM); Jensen, Reed J. (Los Alamos, NM); Lyman, John L. (Los Alamos, NM); Aldridge, III, Jack P. (Los Alamos, NM)

1987-01-01T23:59:59.000Z

352

Active neutron multiplicity counting of bulk uranium  

SciTech Connect (OSTI)

This paper describes a new nondestructive assay technique being developed to assay bulk uranium containing kilogram quantities of {sup 235}U. The new technique uses neutron multiplicity analysis of data collected with a coincidence counter outfitted with AmLi neutron sources. We have calculated the expected neutron multiplicity count rate and assay precision for this technique and will report on its expected performance as a function of detector design characteristics, {sup 235 }U sample mass, AmLi source strength, and source-to-sample coupling. 11 refs., 2 figs., 2 tabs.

Ensslin, N.; Krick, M.S.; Langner, D.G.; Miller, M.C.

1991-01-01T23:59:59.000Z

353

Enhanced Chemical Incident Response Plan (ECIRP). Appendix F, remediation analysis with Decision Support Tools (DSTs) for wide-area chemical hazards.  

SciTech Connect (OSTI)

The Defense Threat Reduction Agency (DTRA) commissioned an assessment of the Consequence Management (CM) plans in place on military bases for response to a chemical attack. The effectiveness of the CM plans for recovering from chemical incidents was modeled using a multiple Decision Support Tools (DSTs). First, a scenario was developed based on an aerial dispersion of a chemical agent over a wide-area of land. The extent of contamination was modeled with the Hazard Prediction and Assessment Capability (HPAC) tool. Subsequently, the Analyzer for Wide Area Restoration Effectiveness (AWARE) tool was used to estimate the cost and time demands for remediation based on input of contamination maps, sampling and decontamination resources, strategies, rates and costs. The sampling strategies incorporated in the calculation were designed using the Visual Sample Plan (VSP) tool. Based on a gaps assessment and the DST remediation analysis, an Enhanced Chemical Incident Response Plan (ECIRP) was developed.

Hassig, Nancy L. (Pacific Northwest National Laboratory, Richland, WA); Pulsipher, Brent A. (Pacific Northwest National Laboratory, Richland, WA); Foltz, Greg W.; Hoette, Trisha Marie

2011-07-01T23:59:59.000Z

354

Multiple Steady States in Ideal Two-Product Distillation  

E-Print Network [OSTI]

not explain why the multiplicity was predicted only by the NRTL and UNIQUAC activity coefficient models

Skogestad, Sigurd

355

Parallel MATLAB: Single Program Multiple Data  

E-Print Network [OSTI]

Parallel MATLAB: Single Program Multiple Data John Burkardt (FSU) Gene Cliff (AOE/ICAM - ecliff Research Computing ICAM: Interdisciplinary Center for Applied Mathematics 1 / 67 #12;MATLAB Parallel MATLAB sets up one special agent called the client. MATLAB sets up the requested number of workers, each

Crawford, T. Daniel

356

Parallel MATLAB: Single Program Multiple Data  

E-Print Network [OSTI]

Parallel MATLAB: Single Program Multiple Data John Burkardt (FSU) Gene Cliff (AOE/ICAM - ecliff Research Computing ICAM: Interdisciplinary Center for Applied Mathematics 1 / 67 #12;Matlab Parallel ( 'myscript', 'Profile', ... 'ithaca_R2012a', 'matlabpool', 7 ) 5 / 67 #12;SPMD: The SPMD Environment Matlab

Crawford, T. Daniel

357

Parallel MATLAB: Single Program Multiple Data  

E-Print Network [OSTI]

Parallel MATLAB: Single Program Multiple Data John Burkardt (FSU) Gene Cliff (AOE/ICAM - ecliff: Advanced Research Computing ICAM: Interdisciplinary Center for Applied Mathematics 1 / 69 #12;Matlab ( 'myscript', 'Profile', ... 'ithaca_R2012a', 'matlabpool', 7 ) 5 / 69 #12;SPMD: The SPMD Environment Matlab

Crawford, T. Daniel

358

Parallel MATLAB: Single Program Multiple Data  

E-Print Network [OSTI]

Parallel MATLAB: Single Program Multiple Data John Burkardt (FSU) Gene Cliff (AOE/ICAM - ecliff Research Computing ICAM: Interdisciplinary Center for Applied Mathematics 1 / 66 #12;MATLAB Parallel MATLAB sets up one special worker called the client. MATLAB sets up the requested number of workers, each

Crawford, T. Daniel

359

Computer Simulations Reveal Multiple Functions for Aromatic  

E-Print Network [OSTI]

Computer Simulations Reveal Multiple Functions for Aromatic Residues in Cellulase Enzymes NREL researchers use high-performance computing to demonstrate fundamental roles of aromatic residues in cellulase enzyme tunnels. National Renewable Energy Laboratory (NREL) computer simulations of a key indus- trial

360

Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs  

E-Print Network [OSTI]

Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs David A. Venditti and David L Anisotropic grid­adaptive strategies are presented for viscous flow simulations in which the accurate estimation and Hessian-based anisotropic grid adaptation. Airfoil test cases are presented to demonstrate

Peraire, Jaime

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


361

A Survey of Multiplicity Fluctuations in PHENIX  

E-Print Network [OSTI]

The PHENIX Experiment at the Relativistic Heavy Ion Collider has made measurements of event-by-event fluctuations in the charged particle multiplicity as a function of collision energy, centrality, collision species, and transverse momentum in heavy ion collisions. The results of these measurements will be reviewed and discussed.

Jeffery T. Mitchell

2005-10-27T23:59:59.000Z

362

Quasi Multiplication and K-groups  

E-Print Network [OSTI]

We give a negative answer to the question raised by Mart Abel about whether his proposed definition of K0 and K1 groups in terms of quasi multiplication is indeed equivalent to the established ones in algebraic K-theory....

Lee, Tsiu-Kwen; Sheu, Albert Jeu-Liang

2013-02-28T23:59:59.000Z

363

Jet multiplicities as the QGP thermometer  

E-Print Network [OSTI]

It is proposed to use the energy behavior of mean multiplicities of jets propagating in a nuclear medium as the thermometer of this medium during the collision phases. The qualitative effects are demonstrated in the framework of the fixed coupling QCD with account of jet quenching.

I. M. Dremin; O. S. Shadrin

2006-02-10T23:59:59.000Z

364

Nanoscale NMR Spectroscopy and Imaging of Multiple Nuclear Species  

E-Print Network [OSTI]

Nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) are well-established techniques that provide valuable information in a diverse set of disciplines but are currently limited to macroscopic sample volumes. Here we demonstrate nanoscale NMR spectroscopy and imaging under ambient conditions of samples containing multiple nuclear species, using nitrogen-vacancy (NV) colour centres in diamond as sensors. With single, shallow NV centres in a diamond chip and samples placed on the diamond surface, we perform NMR spectroscopy and one-dimensional MRI on few-nanometre-sized samples containing $^1$H and $^{19}$F nuclei. Alternatively, we employ a high-density NV layer near the surface of a diamond chip to demonstrate wide-field optical NMR spectroscopy of nanoscale samples containing $^1$H, $^{19}$F, and $^{31}$P nuclei, as well as multi-species two-dimensional optical MRI with sub-micron resolution. For all diamond samples exposed to air, we identify a ubiquitous $^1$H NMR signal, consistent with a $\\sim 1$ nm layer of adsorbed hydrocarbons or water on the diamond surface and below any sample placed on the diamond. This work lays the foundation for nanoscale NMR and MRI applications such as studies of single proteins and functional biological imaging with subcellular resolution, as well as characterization of thin films with sub-nanometre resolution.

Stephen J. DeVience; Linh M. Pham; Igor Lovchinsky; Alexander O. Sushkov; Nir Bar-Gill; Chinmay Belthangady; Francesco Casola; Madeleine Corbett; Huiliang Zhang; Mikhail Lukin; Hongkun Park; Amir Yacoby; Ronald L. Walsworth

2014-06-12T23:59:59.000Z

365

Implications of Wide-Area Geographic Diversity for Short- Term Variability of Solar Power  

E-Print Network [OSTI]

Term power ?uctuation of wind turbines: Analyzing data frome?ects of distributed wind turbines. part 1. coherence andto utilities by multiple wind turbines. IEEE Transactions on

Mills, Andrew

2010-01-01T23:59:59.000Z

366

Monolithic multichannel ultraviolet detector arrays and continuous phase evolution in MgxZn1xO composition spreads  

E-Print Network [OSTI]

American Institute of Physics. DOI: 10.1063/1.1623923 I. INTRODUCTION ZnO is a wide band gap semiconductor whose potential device applications include UV lasers,1,2 transparent con- ducting films for solar cells simultaneously is central in today's photonics tech- nology. In order to detect signals at discrete wavelengths

Rubloff, Gary W.

367

1904 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, VOL. 26, NO. 8, AUGUST 2014 Influence Spreading Path and Its Application to  

E-Print Network [OSTI]

by utilizing "Word-of-Mouth" effect in social networks. Time plays an important role in the influence spread. The experimental results demonstrate the efficiency and effectiveness of the algorithms for both conventional, and subsequently trigger a large cas- cade of further adoptions by utilizing the "Word-of-Mouth" effect in social

Chee, Yeow Meng

368

IEEE TRANSACTIONS ON INFORMATION THEORY, VOL. 52, NO. 4, APRIL 2006 1739 [11] S. N. Crozier, "New high-spread high-distance interleavers for turbo-  

E-Print Network [OSTI]

high-spread high-distance interleavers for turbo- codes," in Proc. 20th Bienn. Symp. Communications-memory inter- leaver banks for turbo-codes," in Proc.54th IEEE Vehicular Technology Conf. (VTC'01), Atlantic City, NJ, Oct. 2001, pp. 2394­2398. [13] D. Divsalar and F. Pollara, "Turbo codes for PCS applications

No, Jong-Seon

369

Sound Engineering: Spreading the benefits of stem-cell advances Jasmine Sola: As stem-cell technology advances, Kris Saha and Randolph Ashton, both  

E-Print Network [OSTI]

Transcript Sound Engineering: Spreading the benefits of stem-cell advances Jasmine Sola: As stem of model, same type of screening platform, in a relatively cheap and accessible way. Jasmine Sola Sola: While some may see this as a task for biologists, Ashton says engineers play a crucial role

Willett, Rebecca

370

Weak multiplicativity for random quantum channels  

E-Print Network [OSTI]

It is known that random quantum channels exhibit significant violations of multiplicativity of maximum output p-norms for any p>1. In this work, we show that a weaker variant of multiplicativity nevertheless holds for these channels. For any constant p>1, given a random quantum channel N (i.e. a channel whose Stinespring representation corresponds to a random subspace S), we show that with high probability the maximum output p-norm of n copies of N decays exponentially with n. The proof is based on relaxing the maximum output infinity-norm of N to the operator norm of the partial transpose of the projector onto S, then calculating upper bounds on this quantity using ideas from random matrix theory.

Montanaro, Ashley

2011-01-01T23:59:59.000Z

371

Multiplicity features of adiabatic autothermal reactors  

SciTech Connect (OSTI)

In this paper singularity theory, large activation energy asymptotic, and numerical methods are used to present a comprehensive study of the steady-state multiplicity features of three classical adiabatic autothermal reactor models: tubular reactor with internal heat exchange, tubular reactor with external heat exchange, and the CSTR with external heat exchange. Specifically, the authors derive the exact uniqueness-multiplicity boundary, determine typical cross-sections of the bifurcation set, and classify the different types of bifurcation diagrams of conversion vs. residence time. Asymptotic (limiting) models are used to determine analytical expressions for the uniqueness boundary and the ignition and extinction points. The analytical results are used to present simple, explicit and accurate expressions defining the boundary of the region of autothermal operation in the physical parameter space.

Lovo, M.; Balakotaiah, V. (Houston Univ., TX (United States). Dept. of Chemical Engineering)

1992-01-01T23:59:59.000Z

372

Intravalley Multiple Scattering of Quasiparticles in Graphene  

E-Print Network [OSTI]

We develop a theoretical description of intravalley scattering of quasiparticles in graphene from multiple short-range scatterers of size much greater than the carbon-carbon bond length. Our theory provides a method to rapidly calculate the Green's function in graphene for arbitrary configurations of scatterers. We demonstrate that non-collinear multiple scattering trajectories generate pseudospin rotations that alter quasiparticle interference, resulting in significant modifications to the shape, intensity, and pattern of the interference fringes in the local density of states (LDOS). We illustrate these effects via theoretical calculations of the LDOS for a variety of scattering configurations in single layer graphene. A clear understanding of impurity scattering in graphene is a step towards exploiting graphene's unique properties to build future devices.

J. Y. Vaishnav; Justin Q. Anderson; Jamie D. Walls

2011-05-28T23:59:59.000Z

373

Neutron multiplicities for the transplutonium nuclides  

SciTech Connect (OSTI)

This paper continues, with respect to the transplutonium nuclides, earlier efforts to collate and evaluate data from the scientific literature on the prompt neutron multiplicity distribution from fission and its first moment = ..sigma..nuPnu. The isotopes considered here for which P/sub nu/ and or data (or both) were found in the literature are of americium (Am), curium (Cm), berkelium (Bk), californium (Cf), einsteinium (Es), fermium (Fm), and nobelium (No).

Holden, N.E.; Zucker, M.S.

1985-01-01T23:59:59.000Z

374

Lamp method and apparatus using multiple reflections  

DOE Patents [OSTI]

A method wherein the light in a sulfur or selenium lamp is reflected through the fill a multiplicity of times to convert ultraviolet radiation to visible is disclosed. A light emitting device comprised of an electrodeless envelope which bears a light reflecting covering around a first portion which does not crack due to differential thermal expansion and which has a second portion which comprises a light transmissive aperture. 20 figs.

MacLennan, D.A.; Turner, B.; Kipling, K.

1999-05-11T23:59:59.000Z

375

Lamp method and apparatus using multiple reflections  

DOE Patents [OSTI]

A method wherein the light in a sulfur or selenium lamp is reflected through the fill a multiplicity of times to convert ultraviolet radiation to visible. A light emitting device comprised of an electrodeless envelope which bears a light reflecting covering around a first portion which does not crack due to differential thermal expansion and which has a second portion which comprises a light transmissive aperture.

MacLennan, Donald A. (Butler, PA); Turner, Brian (Damascus, MD); Kipling, Kent (Gaithersburg, MD)

1999-01-01T23:59:59.000Z

376

[0268] First Galley Proofs MULTIPLICITIES, BOUNDARY POINTS,  

E-Print Network [OSTI]

, multiplicity, extreme point, sharp point, boundary point. c Ð , Zagreb Paper OaM-0268 1 #12;2 W.S. CHEUNG NUMERICAL RANGES WAI-SHUN CHEUNG, XUHUA LIU AND TIN-YAU TAM (Communicated by C.-K. Li) Abstract, XUHUA LIU AND T.Y. TAM Given W(A), Embry [8] introduced M = M (A) := {x Cn : x Ax = x x}. In general

Tam, Tin-Yau

377

Alternatives for Helium-3 in Multiplicity Counters  

SciTech Connect (OSTI)

Alternatives to helium-3 are being actively pursued due to the shortage and rising costs of helium-3. For safeguards applications, there are a number of ongoing investigations to find alternatives that provide the same capability in a cost-effective manner. One of the greatest challenges is to find a comparable alternative for multiplicity counters, since they require high efficiency and short collection or die-away times. Work has been progressing on investigating three commercially available alternatives for high efficiency multiplicity counters: boron trifluoride (BF3) filled proportional tubes, boron-lined proportional tubes, and lithium fluoride with zinc sulfide coated light guides. The baseline multiplicity counter used for the investigation is the Epithermal Neutron Multiplicity Counter with 121 helium-3 filled tubes at 10 atmosphere pressure, which is a significant capability to match. The primary tool for the investigation has been modeling and simulation using the Monte Carlo N-Particle eXtended (MCNPX) radiation transport program, with experiments to validate the models. To directly calculate the coincidence rates in boron-lined (and possibly other) detectors, the MCNPX code has been enhanced to allow the existing coincidence tally to be used with energy deposition rather than neutron capture reactions. This allows boron-lined detectors to be modeled more accurately. Variations of tube number and diameter along with variations in the amount of inter-tube moderator have been conducted for the BF3 and boron-lined cases. Tube pressure was investigated for BF3, up to two atmospheres, as well as optimal boron thickness in the boron-lined tubes. The lithium fluoride was modeled as sheets of material with light guides in between, and the number and thickness of the sheets investigated. The amount of light guide, which in this case doubles as a moderator, was also optimized. The results of these modeling and simulation optimization investigations are described and results presented.

Ely, James H.; Siciliano, Edward R.; Lintereur, Azaree T.; Swinhoe, Martyn T.

2013-04-01T23:59:59.000Z

378

Nuclear Symbiosis - A Means to Achieve Sustainable Nuclear Growth while Limiting the Spread of Sensititive Nuclear Technology  

SciTech Connect (OSTI)

Global growth of nuclear energy in the 21st century is creating new challenges to limit the spread of nuclear technology without hindering adoption in countries now considering nuclear power. Independent nuclear states desire autonomy over energy choices and seek energy independence. However, this independence comes with high costs for development of new indigenous fuel cycle capabilities. Nuclear supplier states and expert groups have proposed fuel supply assurance mechanisms such as fuel take-back services, international enrichment services and fuel banks in exchange for recipient state concessions on the development of sensitive technologies. Nuclear states are slow to accept any concessions to their rights under the Non-Proliferation Treaty. To date, decisions not to develop indigenous fuel cycle capabilities have been driven primarily by economics. However, additional incentives may be required to offset a nuclear state’s perceived loss of energy independence. This paper proposes alternative economic development incentives that could help countries decide to forgo development of sensitive nuclear technologies. The incentives are created through a nuclear-centered industrial complex with “symbiotic” links to indigenous economic opportunities. This paper also describes a practical tool called the “Nuclear Materials Exchange” for identifying these opportunities.

David Shropshire

2009-09-01T23:59:59.000Z

379

Time-Resolved Imaging of the Microbunching Instability and Energy Spread at the Linac Coherent Light Source  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

The microbunching instability (MBI) is a well known problem for high brightness electron beams and has been observed at accelerator facilities around the world. Free-electron lasers (FELs) are particularly susceptible to MBI, which can distort the longitudinal phase space and increase the beam’s slice energy spread (SES). Past studies of MBI at the Linac Coherent Light Source (LCLS) relied on optical transition radiation to infer the existence of microbunching. With the development of the x-band transverse deflecting cavity (XTCAV), we can for the first time directly image the longitudinal phase space at the end of the accelerator and complete a comprehensive study of MBI, revealing both detailed MBI behavior as well as insights into mitigation schemes. The fine time resolution of the XTCAV also provides the first LCLS measurements of the final SES, a critical parameter for many advanced FEL schemes. Detailed MBI and SES measurements can aid in understanding MBI mechanisms, benchmarking simulation codes, and designing future high- brightness accelerators.

Ratner, D.; Behrens, C.; Ding, Y.; Huang, Z.; Marinelli, A.; Maxwell, T.; Zhou, F.

2015-03-01T23:59:59.000Z

380

MPACT Fast Neutron Multiplicity System Prototype Development  

SciTech Connect (OSTI)

This document serves as both an FY2103 End-of-Year and End-of-Project report on efforts that resulted in the design of a prototype fast neutron multiplicity counter leveraged upon the findings of previous project efforts. The prototype design includes 32 liquid scintillator detectors with cubic volumes 7.62 cm in dimension configured into 4 stacked rings of 8 detectors. Detector signal collection for the system is handled with a pair of Struck Innovative Systeme 16-channel digitizers controlled by in-house developed software with built-in multiplicity analysis algorithms. Initial testing and familiarization of the currently obtained prototype components is underway, however full prototype construction is required for further optimization. Monte Carlo models of the prototype system were performed to estimate die-away and efficiency values. Analysis of these models resulted in the development of a software package capable of determining the effects of nearest-neighbor rejection methods for elimination of detector cross talk. A parameter study was performed using previously developed analytical methods for the estimation of assay mass variance for use as a figure-of-merit for system performance. A software package was developed to automate these calculations and ensure accuracy. The results of the parameter study show that the prototype fast neutron multiplicity counter design is very nearly optimized under the restraints of the parameter space.

D.L. Chichester; S.A. Pozzi; J.L. Dolan; M.T. Kinlaw; S.J. Thompson; A.C. Kaplan; M. Flaska; A. Enqvist; J.T. Johnson; S.M. Watson

2013-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

Tracking Multiple Topics for Finding Interesting Articles  

SciTech Connect (OSTI)

We introduce multiple topic tracking (MTT) for iScore to better recommend news articles for users with multiple interests and to address changes in user interests over time. As an extension of the basic Rocchio algorithm, traditional topic detection and tracking, and single-pass clustering, MTT maintains multiple interest profiles to identify interesting articles for a specific user given user-feedback. Focusing on only interesting topics enables iScore to discard useless profiles to address changes in user interests and to achieve a balance between resource consumption and classification accuracy. iScore is able to achieve higher quality results than traditional methods such as the Rocchio algorithm. We identify several operating parameters that work well for MTT. Using the same parameters, we show that MTT alone yields high quality results for recommending interesting articles from several corpora. The inclusion of MTT improves iScore's performance by 25% in recommending news articles from the Yahoo! News RSS feeds and the TREC11 adaptive filter article collection. And through a small user study, we show that iScore can still perform well when only provided with little user feedback.

Pon, R K; Cardenas, A F; Buttler, D J; Critchlow, T J

2008-01-03T23:59:59.000Z

382

Tracking Multiple Topics for Finding Interesting Articles  

SciTech Connect (OSTI)

We introduce multiple topic tracking (MTT) for iScore to better recommend news articles for users with multiple interests and to address changes in user interests over time. As an extension of the basic Rocchio algorithm, traditional topic detection and tracking, and single-pass clustering, MTT maintains multiple interest profiles to identify interesting articles for a specific user given user-feedback. Focusing on only interesting topics enables iScore to discard useless profiles to address changes in user interests and to achieve a balance between resource consumption and classification accuracy. Also by relating a topic's interestingness to an article's interestingness, iScore is able to achieve higher quality results than traditional methods such as the Rocchio algorithm. We identify several operating parameters that work well for MTT. Using the same parameters, we show that MTT alone yields high quality results for recommending interesting articles from several corpora. The inclusion of MTT improves iScore's performance by 9% to 14% in recommending news articles from the Yahoo! News RSS feeds and the TREC11 adaptive filter article collection. And through a small user study, we show that iScore can still perform well when only provided with little user feedback.

Pon, R K; Cardenas, A F; Buttler, D J; Critchlow, T J

2007-02-15T23:59:59.000Z

383

Faraday rotation spectroscopy of nitrogen dioxide based on a widely tunable external cavity quantum cascade laser  

E-Print Network [OSTI]

Faraday rotation spectroscopy of nitrogen dioxide based on a widely tunable external cavity quantum: Faraday Rotation Spectroscopy, external-cavity quantum cascade laser, nitrogen dioxide, trace

384

EIS-0380: EPA Notice of Availability of the Final Site-Wide Environmen...  

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

of the Final Site-Wide Environmental Impact Statement Continued Operation of Los Alamos National Laboratory, Los Alamos, New Mexico E8-11009.pdf More Documents & Publications...

385

EIS-0309: Notice of Intent to Prepare a Site-Wide Environmental...  

Energy Savers [EERE]

EIS-0309: Notice of Intent to Prepare a Site-Wide Environmental Impact Statement Oak Ridge Y-12 Plant Pursuant to the National Environmental Policy Act (NEPA), DOE...

386

Proceedings of the Western Protective Relay Conference, Spokane, WA, 2006 New wide-area algorithms for  

E-Print Network [OSTI]

- 1 - Proceedings of the Western Protective Relay Conference, Spokane, WA, 2006 New wide the critical areas automatically by using the synchrophasors, and proceed to mitigate the instability

387

E-Print Network 3.0 - agriculture faces world-wide Sample Search...  

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

Service Summary: This publication was written specifically for use on the World Wide Web and is best viewed in hypertext form... Agricultural Land and Methods of Protection...

388

EA-1968 Site-Wide Environmental Assessment of the U.S. Department...  

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

National Renewable Energy Laboratory (NREL) South Table Mountain Campus, Golden, Colorado EA-1968 Site-Wide Environmental Assessment of the U.S. Department of Energy National...

389

EIS-0380: DOE Notice of Availability of the Draft Site-Wide Environmen...  

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

Statement Continued Operation of Los Alamos National Laboratory, Los Alamos, New Mexico NNSA announces the availability of the Draft Site-wide Environmental Impact Statement...

390

Advanced regulatory control and coordinated plant-wide control strategies for IGCC targeted towards improving power ramp-rates  

SciTech Connect (OSTI)

As part of ongoing R&D activities at the National Energy Technology Laboratory's (NETL) Advanced Virtual Energy Simulation Training & Research (AVESTAR™) Center, this paper highlights strategies for enhancing low-level regulatory control and system-wide coordinated control strategies implemented in a high-fidelity dynamic simulator for an Integrated Gasification Combined Cycle (IGCC) power plant with carbon capture. The underlying IGCC plant dynamic model contains 20 major process areas, each of which is tightly integrated with the rest of the power plant, making individual functionally-independent processes prone to routine disturbances. Single-loop feedback control although adequate to meet the primary control objective for most processes, does not take into account in advance the effect of these disturbances, making the entire power plant undergo large offshoots and/or oscillations before the feedback action has an opportunity to impact control performance. In this paper, controller enhancements ranging from retuning feedback control loops, multiplicative feed-forward control and other control techniques such as split-range control, feedback trim and dynamic compensation, applicable on various subsections of the integrated IGCC plant, have been highlighted and improvements in control responses have been given. Compared to using classical feedback-based control structure, the enhanced IGCC regulatory control architecture reduces plant settling time and peak offshoots, achieves faster disturbance rejection, and promotes higher power ramp-rates. In addition, improvements in IGCC coordinated plant-wide control strategies for “Gasifier-Lead”, “GT-Lead” and “Plantwide” operation modes have been proposed and their responses compared. The paper is concluded with a brief discussion on the potential IGCC controller improvements resulting from using advanced process control, including model predictive control (MPC), as a supervisory control layer.

Mahapatra, P.; Zitney, S.

2012-01-01T23:59:59.000Z

391

Design of globally optimal multiple description scalar quantizers  

E-Print Network [OSTI]

This thesis investigates the design of globally optimal multiple description scalar quantizers. The design of multiple description scalar quantizers is formulated as a combinatorial optimization problem due to the index assignment issue. The first...

Desilva, Buveneka Kanishka

2012-06-07T23:59:59.000Z

392

U-013: HP Data Protector Multiple Unspecified Vulnerabilities  

Broader source: Energy.gov [DOE]

Multiple vulnerabilities were reported in HP Data Protector. A remote user can execute arbitrary code on the target system.

393

Search for Short Lived Particles in High Multiplicity Environment  

E-Print Network [OSTI]

A method of statistical selection of short lived particles in high multiplicity nucleus-nucleus collisions is discussed.

Marek Gazdzicki; Waldemar Retyk; Jan Pluta

1999-04-14T23:59:59.000Z

394

Interactive Story Generation for Writers: Lessons Learned from the Wide Ruled Authoring Tool  

E-Print Network [OSTI]

Interactive Story Generation for Writers: Lessons Learned from the Wide Ruled Authoring Tool James multi-disciplinary background in computational and narrative theory. Wide Ruled is an authoring tool be realized if we can create tools that open their authoring to a much wider audience. Typically, creating

California at Santa Cruz, University of

395

Cherish every Joule: Maximizing throughput with an eye on network-wide energy consumption  

E-Print Network [OSTI]

Cherish every Joule: Maximizing throughput with an eye on network-wide energy consumption Canming: {jcm, yshi, thou, wjlou}@vt.edu Abstract Conserving network-wide energy consumption is becoming of wireless networks, the concern of energy consumption is becoming in- creasingly important for network

Hou, Y. Thomas

396

Tungsten black absorber for solar light with wide angular operation range Eden Rephaeli1,a  

E-Print Network [OSTI]

Tungsten black absorber for solar light with wide angular operation range Eden Rephaeli1,a of Physics. DOI: 10.1063/1.2936997 In solar-thermal applications, one aims to convert sun- light to heat that displays near-complete absorptivity throughout the entire solar spectrum over a wide angular range

Fan, Shanhui

397

Wide Range of Mercury Contamination in Chicks of Southern Ocean Seabirds  

E-Print Network [OSTI]

1 Wide Range of Mercury Contamination in Chicks of Southern Ocean Seabirds Pierre Blévina,* , Alice environment, Hg contamination was investigated within the large subantarctic seabird community of Kerguelen presented a wide range of Hg concentrations, with the highest contaminated species containing ~102 times

Boyer, Edmond

398

Using the World Wide Web to Provide a Platform Independent Interface to High  

E-Print Network [OSTI]

Using the World Wide Web to Provide a Platform Independent Interface to High Performance Computing the World Wide Web (WWW) as part of the ``Whole Frog'' project[1]. The success of this project indicates that the Web and its associated browsers can serve as an easily used and powerful front end to high

399

Should a vehicle fuel economy standard be combined with an economy-wide greenhouse gas  

E-Print Network [OSTI]

Should a vehicle fuel economy standard be combined with an economy-wide greenhouse gas emissions: globalchange@mit.edu Website: http://globalchange.mit.edu/ #12;Should a vehicle fuel economy standard be combined with an economy-wide greenhouse gas emissions constraint? Implications for energy and climate

400

Genome-Wide Identification of Transcriptional Start Sites in the Plant Pathogen Pseudomonas syringae pv. tomato  

E-Print Network [OSTI]

identified 59-ends of transcripts for the plant pathogen Pseudomonas syringae pv. tomato str. DC3000-Wide Identification of Transcriptional Start Sites in the Plant Pathogen Pseudomonas syringae pv. tomato str. DC3000Genome-Wide Identification of Transcriptional Start Sites in the Plant Pathogen Pseudomonas

Myers, Chris

Note: This page contains sample records for the topic "wide spread multiple" 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

A Site-Wide Perspective on Uranium Geochemistry at the Hanford Site  

E-Print Network [OSTI]

PNNL-17031 A Site-Wide Perspective on Uranium Geochemistry at the Hanford Site J. Zachara C. Liu C Laboratory, Argonne, IL 2 Lawrence Berkeley National Laboratory, Berkeley, CA 3 U.S. Geological Survey, Menlo of River Protection (ORP) #12;#12;PNNL-17031 A Site-Wide Perspective on Uranium Geochemistry at the Hanford

402

System-Wide Energy Minimization for Real-Time Tasks: Lower Bound and  

E-Print Network [OSTI]

28 System-Wide Energy Minimization for Real-Time Tasks: Lower Bound and Approximation XILIANG ZHONG that minimizes system-wide energy consumption for both periodic and sporadic tasks. It is known that a system consists of processors and a number of other components. Energy-aware processors can be run in different

Xu, Cheng-Zhong

403

Wide Ruled: A Friendly Interface to Author-Goal Based Story Generation  

E-Print Network [OSTI]

Wide Ruled: A Friendly Interface to Author-Goal Based Story Generation James Skorupski1 , Lakshmi@cs.ucsc.edu 2 Electronic Arts Abstract. We present Wide Ruled, an authoring tool for the creation of generative stories. It is based on the Universe author-goal-based model of story generation, and extends this model

California at Santa Cruz, University of

404

Aalborg Universitet Hierarchical Control for Multiple DC Microgrids Clusters  

E-Print Network [OSTI]

Aalborg Universitet Hierarchical Control for Multiple DC Microgrids Clusters Shafiee, Qobad Control for Multiple DC Microgrids Clusters. I E E E Transactions on Energy Conversion. General rights, J. C. Vasquez, and J. M. Guerrero, "Hierarchical Control for Multiple DC-Microgrids Clusters," IEEE

Vasquez, Juan Carlos

405

Statistical estimation of multiple faults in aircraft gas turbine engines  

E-Print Network [OSTI]

415 Statistical estimation of multiple faults in aircraft gas turbine engines S Sarkar, C Rao of multiple faults in aircraft gas-turbine engines, based on a statistical pattern recognition tool called commercial aircraft engine. Keywords: aircraft propulsion, gas turbine engines, multiple fault estimation

Ray, Asok

406

Entropic uncertainty relations for multiple measurements  

E-Print Network [OSTI]

We present the entropic uncertainty relations for multiple measurement settings in quantum mechanics. Those uncertainty relations are obtained for both cases with and without the presence of quantum memory. They take concise forms which can be proven in a unified method and easy to calculate. Our results recover the well known entropic uncertainty relations for two observables, which show the uncertainties about the outcomes of two incompatible measurements. Those uncertainty relations are applicable in both foundations of quantum theory and the security of many quantum cryptographic protocols.

Shang Liu; Liang-Zhu Mu; Heng Fan

2014-11-23T23:59:59.000Z

407

Analysis of Dynamic Multiplicity Fluctuations at PHOBOS  

E-Print Network [OSTI]

This paper presents the analysis of the dynamic fluctuations in the inclusive charged particle multiplicity measured by PHOBOS for Au+Au collisions at sqrt(s_NN)=200$GeV within the pseudo-rapidity range of -3analysis is presented, together with the discussion of their physics meaning. Then the procedure for the extraction of dynamic fluctuations is described. Some preliminary results are included to illustrate the correlation features of the fluctuation observable. New dynamic fluctuations results will be available in a later publication.

Zhengwei Chai; for the PHOBOS Collaboration

2005-09-20T23:59:59.000Z

408

Multiple frequency method for operating electrochemical sensors  

DOE Patents [OSTI]

A multiple frequency method for the operation of a sensor to measure a parameter of interest using calibration information including the steps of exciting the sensor at a first frequency providing a first sensor response, exciting the sensor at a second frequency providing a second sensor response, using the second sensor response at the second frequency and the calibration information to produce a calculated concentration of the interfering parameters, using the first sensor response at the first frequency, the calculated concentration of the interfering parameters, and the calibration information to measure the parameter of interest.

Martin, Louis P. (San Ramon, CA)

2012-05-15T23:59:59.000Z

409

Multiple volume compressor for hot gas engine  

DOE Patents [OSTI]

A multiple volume compressor for use in a hot gas (Stirling) engine having a plurality of different volume chambers arranged to pump down the engine when decreased power is called for and return the working gas to a storage tank or reservoir. A valve actuated bypass loop is placed over each chamber which can be opened to return gas discharged from the chamber back to the inlet thereto. By selectively actuating the bypass valves, a number of different compressor capacities can be attained without changing compressor speed whereby the capacity of the compressor can be matched to the power available from the engine which is used to drive the compressor.

Stotts, Robert E. (Clifton Park, NY)

1986-01-01T23:59:59.000Z

410

Expression of multiple proteins in transgenic plants  

DOE Patents [OSTI]

A method is disclosed for the production of multiple proteins in transgenic plants. A DNA construct for introduction into plants includes a provision to express a fusion protein of two proteins of interest joined by a linking domain including plant ubiquitin. When the fusion protein is produced in the cells of a transgenic plant transformed with the DNA construction, native enzymes present in plant cells cleave the fusion protein to release both proteins of interest into the cells of the transgenic plant. Since the proteins are produced from the same fusion protein, the initial quantities of the proteins in the cells of the plant are approximately equal.

Vierstra, Richard D. (Madison, WI); Walker, Joseph M. (Madison, WI)

2002-01-01T23:59:59.000Z

411

New multiplicativity results for qubit maps  

E-Print Network [OSTI]

Let $\\Phi$ be a trace-preserving, positivity-preserving (but not necessarily completely positive) linear map on the algebra of complex $2 \\times 2$ matrices, and let $\\Omega$ be any finite-dimensional completely positive map. For $p=2$ and $p \\geq 4$, we prove that the maximal $p$-norm of the product map $\\Phi \\ot \\Omega$ is the product of the maximal $p$-norms of $\\Phi$ and $\\Omega$. Restricting $\\Phi$ to the class of completely positive maps, this settles the multiplicativity question for all qubit channels in the range of values $p \\geq 4$.

Christopher King; Nilufer Koldan

2006-03-09T23:59:59.000Z

412

The Morphology of the Sub-Giant Branch and Red Clump Reveal No Sign of Age Spreads in Intermediate Age Clusters  

E-Print Network [OSTI]

A recent surprise in stellar cluster research, made possible through the precision of Hubble Space Telescope photometry, was that some intermediate age (1-2 Gyr) clusters in the Large and Small Magellanic Clouds have main sequence turn-off (MSTO) widths that are significantly broader than would be expected for a simple stellar population (SSP). One interpretation of these extended MSTOs (eMSTOs) is that age spreads of the order of ~500 Myr exist within the clusters, radically redefining our view of stellar clusters, which are traditionally thought of as single age, single metallicity stellar populations. Here we test this interpretation by studying other regions of the CMD that should also be affected by such large age spreads, namely the width of the sub-giant branch (SGB) and the red clump (RC). We study two massive clusters in the LMC that display the eMSTO phenomenon (NGC 1806 & NGC 1846) and show that both have SGB and RC morphologies that are in conflict with expectations if large age spreads exist ...

Bastian, Nate

2015-01-01T23:59:59.000Z

413

Wide dynamic range neutron flux monitor having fast time response for the Large Helical Device  

SciTech Connect (OSTI)

A fast time response, wide dynamic range neutron flux monitor has been developed toward the LHD deuterium operation by using leading-edge signal processing technologies providing maximum counting rate up to ?5 × 10{sup 9} counts/s. Because a maximum total neutron emission rate over 1 × 10{sup 16} n/s is predicted in neutral beam-heated LHD plasmas, fast response and wide dynamic range capabilities of the system are essential. Preliminary tests have demonstrated successful performance as a wide dynamic range monitor along the design.

Isobe, M., E-mail: isobe@nifs.ac.jp; Takeiri, Y. [National Institute for Fusion Science, Toki 509-5292 (Japan); Department of Fusion Science, The Graduate University for Advanced Studies, Toki 509-5292 (Japan); Ogawa, K.; Miyake, H.; Hayashi, H.; Kobuchi, T. [National Institute for Fusion Science, Toki 509-5292 (Japan); Nakano, Y.; Watanabe, K.; Uritani, A. [Department of Materials, Physics and Energy Engineering, Nagoya University, Nagoya 464-8603 (Japan); Misawa, T. [Kyoto University Research Reactor Institute, Kumatori 590-0494 (Japan); Nishitani, T. [Japan Atomic Energy Agency, Rokkasho 039-3212 (Japan); Tomitaka, M.; Kumagai, T.; Mashiyama, Y.; Ito, D.; Kono, S. [Toshiba Corporation, Fuchu 183-8511 (Japan); Yamauchi, M. [Toshiba Nuclear Engineering Services Corporation, Yokohama 235-8523 (Japan)

2014-11-15T23:59:59.000Z

414

Conjugate gradient algorithms using multiple recursions  

SciTech Connect (OSTI)

Much is already known about when a conjugate gradient method can be implemented with short recursions for the direction vectors. The work done in 1984 by Faber and Manteuffel gave necessary and sufficient conditions on the iteration matrix A, in order for a conjugate gradient method to be implemented with a single recursion of a certain form. However, this form does not take into account all possible recursions. This became evident when Jagels and Reichel used an algorithm of Gragg for unitary matrices to demonstrate that the class of matrices for which a practical conjugate gradient algorithm exists can be extended to include unitary and shifted unitary matrices. The implementation uses short double recursions for the direction vectors. This motivates the study of multiple recursion algorithms.

Barth, T.; Manteuffel, T.

1996-12-31T23:59:59.000Z

415

Prompt neutron multiplicities for the transplutonium nuclides  

SciTech Connect (OSTI)

The direct determination of the average prompt neutron emission values is reviewed, and a method of comparing different sites of neutron emission multiplicity distribution values is described. Measured and recommended values are tabulated for these nuclides: /sup 241/Am, /sup 242/Am, /sup 242/Cm, /sup 243/Cm, /sup 244/Cm, /sup 246/Cm, /sup 247/Cm, /sup 248/Cm, /sup 250/Cm, /sup 245/Cm, /sup 249/Bk, /sup 246/Cf, /sup 249/Cf, /sup 250/Cf, /sup 252/Cf, /sup 254/Cf, /sup 251/Cf, /sup 253/Es, /sup 254/Es, /sup 244/Fm, /sup 246/Fm, /sup 255/Fm, /sup 252/No, /sup 254/Fm, /sup 256/Fm, /sup 257/Fm. 59 refs., 24 tabs. (LEW)

Holden, N.E.; Zucker, M.S.

1985-01-01T23:59:59.000Z

416

Multiplicity features of nonadiabatic, autothermal tubular reactors  

SciTech Connect (OSTI)

Singularity theory is combined with asymptotic analysis to determine the exact uniqueness-multiplicity boundary and ignition and extinction locus for the non-adiabatic, autothermal tubular reactor model. It is found that the steady-state behavior of the nonadiabatic reactor is described by the two limiting cases of adiabatic and strongly cooled models. The adiabatic case has been examined in a previous study. In this paper, the authors develop limiting models to describe the strongly cooled asymptotes. The authors also classify the different types of bifurcation diagrams of conversion vs. residence time using the results of singularity theory with a distinguished parameter. Analytical criteria are developed for predicting the conditions under which autothermal operation is feasible when heat losses are significant.

Lovo, M.; Balakotaiah, V. (Houston Univ., TX (United States). Dept. of Chemical Engineering)

1992-01-01T23:59:59.000Z

417

Multiple channel optical data acquisition system  

DOE Patents [OSTI]

A multiple channel optical data acquisition system is provided in which a plurality of remote sensors monitoring specific process variable are interrogated by means of a single optical fiber connecting the remote station/sensors to a base station. The remote station/sensors derive all power from light transmitted through the fiber from the base station. Each station/sensor is individually accessed by means of a light modulated address code sent over the fiber. The remote station/sensors use a single light emitting diode to both send and receive light signals to communicate with the base station and provide power for the remote station. The system described can power at least 100 remote station/sensors over an optical fiber one mile in length.

Fasching, G.E.; Goff, D.R.

1985-02-22T23:59:59.000Z

418

Multiple predictor smoothing methods for sensitivity analysis.  

SciTech Connect (OSTI)

The use of multiple predictor smoothing methods in sampling-based sensitivity analyses of complex models is investigated. Specifically, sensitivity analysis procedures based on smoothing methods employing the stepwise application of the following nonparametric regression techniques are described: (1) locally weighted regression (LOESS), (2) additive models, (3) projection pursuit regression, and (4) recursive partitioning regression. The indicated procedures are illustrated with both simple test problems and results from a performance assessment for a radioactive waste disposal facility (i.e., the Waste Isolation Pilot Plant). As shown by the example illustrations, the use of smoothing procedures based on nonparametric regression techniques can yield more informative sensitivity analysis results than can be obtained with more traditional sensitivity analysis procedures based on linear regression, rank regression or quadratic regression when nonlinear relationships between model inputs and model predictions are present.

Helton, Jon Craig; Storlie, Curtis B.

2006-08-01T23:59:59.000Z

419

The frequency of planets in multiple systems  

E-Print Network [OSTI]

The frequency of planets in binaries is an important issue in the field of extrasolar planet studies, because of its relevance in estimating of the global planet population of our Galaxy and the clues it can give to our understanding of planet formation and evolution. However, only preliminary estimates are available in the literature. We analyze and compare the frequency of planets in multiple systems to the frequency of planets orbiting single stars. We also try to highlight possible connections between the frequency of planets and the orbital parameters of the binaries (such as the periastron and mass ratio.) A literature search was performed for binaries and multiple systems among the stars of the sample with uniform planet detectability defined by Fischer & Valenti (2005), and 202 of the 850 stars of the sample turned out to be binaries, allowing a statistical comparison of the frequency of planets in binaries and single stars and a study of the run of the planet frequency as a function of the binary separation. We found that the global frequency of planets in the binaries of the sample is not statistically different from that of planets in single stars. Even conservatively taking the probable incompleteness of binary detection in our sample into account, we estimate that the frequency of planets in binaries can be no more than a factor of three lower than that of planets in single stars. There is no significant dependence of planet frequency on the binary separation, except for a lower value of frequency for close binaries. However, this is probably not as low as required to explain the presence of planets in close binaries only as the result of modifications of the binary orbit after the planet formation.

M. Bonavita; S. Desidera

2007-03-29T23:59:59.000Z

420

In vitro propagation and chimeral traits of Cryptanthus 'Marian Oppenheimer' (wide leaf clone)  

E-Print Network [OSTI]

to regenerate plantlets. True to type, green and albino plantlets were obtained from callus produced by the leaves of greenhouse grown Cryptanthus 'Marian Oppenheimer' (wide leaf clone) which is terrestrial ornamental bromeliad in the form of a rosette whose...

Koh, Yong Cheong

1994-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wide spread multiple" 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

New York State-wide Alternative Fuel Vehicle Program for Vehicles...  

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

and Peer Evaluation Meeting arravt053tibolton2012o.pdf More Documents & Publications New York State-wide Alternative Fuel Vehicle Program for Vehicles and Fueling Stations New...

422

New York State-wide Alternative Fuel Vehicle Program for Vehicles...  

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

Review and Peer Evaluation arravt053tibolton2011p.pdf More Documents & Publications New York State-wide Alternative Fuel Vehicle Program for Vehicles and Fueling Stations New...

423

A comprehensive plant-wide assessment of Amcor PET Packaging at Fairfield, California  

SciTech Connect (OSTI)

This report includes the results of the plant-wide assessment of AMCOR PET plants in Fairfield, City of Commerce, and Lathrop California. The project (except the assessment of Lathrop plant) was a cost shared effort between US Department of Energy through Golden Field Office, Golden CO and AMCOR PET Packaging Co. The DOE share of the plant-wide assessment cost was awarded to AMCOR PET in response to the RFP DE-PS36-05GO95009, the 2005 round of funding for “Plant-Wide Energy Efficiency Opportunity Assessments.” The plant-wide assessment included the processes, electrical and gas equipment. Current production practices have been evaluated against best practice standards, as well as utilization of modern technology to improve energy efficiency, reduce the wastes, and improve productivity.

Kevin Losh; Hui Choi; Yin Yin Wu; Bryan W. Hackett; Ahmad R. Ganji

2008-02-29T23:59:59.000Z

424

Distributed Compressive Wide-Band Spectrum Ying Wang , Ashish Pandharipande , Yvan Lamelas Polo and Geert Leus  

E-Print Network [OSTI]

Distributed Compressive Wide-Band Spectrum Sensing Ying Wang , Ashish Pandharipande , Yvan Lamelas, The Netherlands Email: {ying.z.wang, ashish.p}@philips.com Faculty of EEMCS, Delft University of Technology

Leus, Geert

425

Webinar: Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen and Fuel Cell Applications  

Broader source: Energy.gov [DOE]

Recording and text version of the Fuel Cell Technologies Office webinar titled "Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen and Fuel Cell Applications," originally presented on October 21, 2014.

426

EIS-0238: Notice of Intent to Prepare a Site-Wide Environmental...  

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

EIS-0238: Notice of Intent to Prepare a Site-Wide Environmental Impact Statement Los Alamos National Laboratory The U.S. Department of Energy (DOE) announces its intent to...

427

Characterizing non-coding hits in genome-wide association studies using epigenetic data  

E-Print Network [OSTI]

Understanding the molecular basis of human disease is one of the greatest challenges of our time, and recent explosion in genetic and genomic datasets are finally putting it within reach. In the last ten years, genome-wide ...

Sarkar, Abhishek Kulshreshtha

2013-01-01T23:59:59.000Z

428

Krill-eye : Superposition Compound Eye for Wide-Angle Imaging via GRIN Lenses  

E-Print Network [OSTI]

We propose a novel wide angle imaging system inspired by compound eyes of animals. Instead of using a single lens, well compensated for aberration, we used a number of simple lenses to form a compound eye which produces ...

Hiura, Shinsaku

429

GWIDD: a comprehensive resource for genome-wide structural modeling of protein-protein interactions  

E-Print Network [OSTI]

Protein-protein interactions are a key component of life processes. The knowledge of the three-dimensional structure of these interactions is important for understanding protein function. Genome-Wide Docking Database ...

Kundrotas, Petras J.; Zhu, Zhengwei; Vakser, Ilya A.

2012-07-11T23:59:59.000Z

430

Webinar: Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen and Fuel Cell Applications  

Broader source: Energy.gov [DOE]

The Energy Department will present a live webinar titled "Opportunities for Wide Bandgap Semiconductor Power Electronics for Hydrogen and Fuel Cell Applications" on Tuesday, October 21, at 12:00 p...

431

Longitudinal Genome-Wide Association of Cardiovascular Disease Risk Factors in the Bogalusa Heart Study  

E-Print Network [OSTI]

Cardiovascular disease (CVD) is the leading cause of death worldwide. Recent genome-wide association (GWA) studies have pinpointed many loci associated with CVD risk factors in adults. It is unclear, however, if these loci ...

Peltonen, Leena

432

Effects of ethanol content on gasohol PFI engine wide-open-throttle operation  

E-Print Network [OSTI]

The NOx emission and knock characteristics of a PFI engine operating on ethanol/gasoline mixtures were assessed at 1500 and 2000 rpm with ? =1 under Wide-Open-Throttle condition. There was no significant charge cooling due ...

Cheng, Wai K.

433

Graphical Models for Wide-Area Activity Analysis in Continuous Videos  

E-Print Network [OSTI]

2 Multi-person Activity Recognition in Wide-area Videos 2.1Context Modeling in Continuous Videos Using Graphical Modelsmethod. Given a continuous video with computed tracklets, a

Nayak, Nandita Miyar

2014-01-01T23:59:59.000Z

434

UNCORRECTED 2 QoS and energy efficiency in network wide broadcasting  

E-Print Network [OSTI]

protocols (IEEE 802.11, CPS, and MH-TRACE) in terms of QoS (packet delivery ratio, packet delay, 12Characterizing the effects of medium access control on 50the behavior of network-wide broadcasting is essential

Heinzelman, Wendi

435

Migration and the Sending Economy: A Disaggregated Rural Economy Wide Analysis  

E-Print Network [OSTI]

A Stylized Village Economy-Wide Model with Nonseparable FarmNetworks in the Modern Economy: Mexican Migrants in the U.S.in a Household-farm Economy. ” Journal of Development

Taylor, J. Edward; Dyer, George

2006-01-01T23:59:59.000Z

436

A Brief Guide: DOE-wide National Environmental Policy Act Contracts...  

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

May 2,2003 Office of NEPA Policy and Compliance (Mansoor, 202-586-9326) DOE-wide National Environmental Policy Act (NEPA) Contracts Secretarial Officers and Heads of Field...

437

Scaling of Precipitation Extremes over a Wide Range of Climates Simulated with an Idealized GCM  

E-Print Network [OSTI]

Extremes of precipitation are examined in a wide range of climates simulated with an idealized aquaplanet GCM. The high percentiles of daily precipitation increase as the climate warms. Their fractional rate of increase ...

O'Gorman, Paul Ambrose

438

LMFBR system-wide transient analysis: the state of the art and US validation needs  

SciTech Connect (OSTI)

This paper summarizes the computational capabilities in the area of liquid metal fast breeder reactor (LMFBR) system-wide transient analysis in the United States, identifies various numerical and physical approximations, the degree of empiricism, range of applicability, model verification and experimental needs for a wide class of protected transients, in particular, natural circulation shutdown heat removal for both loop- and pool-type plants.

Khatib-Rahbar, M.; Guppy, J.G.; Cerbone, R.J.

1982-01-01T23:59:59.000Z

439

Organic light emitting device having multiple separate emissive layers  

DOE Patents [OSTI]

An organic light emitting device having multiple separate emissive layers is provided. Each emissive layer may define an exciton formation region, allowing exciton formation to occur across the entire emissive region. By aligning the energy levels of each emissive layer with the adjacent emissive layers, exciton formation in each layer may be improved. Devices incorporating multiple emissive layers with multiple exciton formation regions may exhibit improved performance, including internal quantum efficiencies of up to 100%.

Forrest, Stephen R. (Ann Arbor, MI)

2012-03-27T23:59:59.000Z

440

Measuring multiple residual-stress components using the contour method and multiple cuts  

SciTech Connect (OSTI)

The conventional contour method determines one component of stress over the cross section of a part. The part is cut into two, the contour of the exposed surface is measured, and Bueckner's superposition principle is analytically applied to calculate stresses. In this paper, the contour method is extended to the measurement of multiple stress components by making multiple cuts with subsequent applications of superposition. The theory and limitations are described. The theory is experimentally tested on a 316L stainless steel disk with residual stresses induced by plastically indenting the central portion of the disk. The stress results are validated against independent measurements using neutron diffraction. The theory has implications beyond just multiple cuts. The contour method measurements and calculations for the first cut reveal how the residual stresses have changed throughout the part. Subsequent measurements of partially relaxed stresses by other techniques, such as laboratory x-rays, hole drilling, or neutron or synchrotron diffraction, can be superimposed back to the original state of the body.

Prime, Michael B [Los Alamos National Laboratory; Swenson, Hunter [Los Alamos National Laboratory; Pagliaro, Pierluigi [U. PALERMO; Zuccarello, Bernardo [U. PALERMO

2009-01-01T23:59:59.000Z

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


441

A Photovoltaic Test Platform Realized with Multiple Independent Outputs.  

E-Print Network [OSTI]

??In this thesis, a project to design and build a photovoltaic test platform is discussed. Essentially, it is a photovoltaic simulator designed to have multiple… (more)

Crawford, Kevin P.

2011-01-01T23:59:59.000Z

442

Multiplex Chaos Synchronization in Semiconductor Lasers with Multiple Optoelectronic Feedbacks  

E-Print Network [OSTI]

Secure chaos based multiplex communication system scheme is proposed utilizing globally coupled semiconductor lasers with multiple variable time delay optoelectronic feedbacks.

E. M. Shahverdiev; K. A. Shore

2011-11-06T23:59:59.000Z

443

Structuring Materials on Multiple Length Scales for Energy Application...  

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

Structuring Materials on Multiple Length Scales for Energy Applications October 25, 2012 at 3pm36-428 Adreas Stein Department of Chemistry, University of Minnesota astein...

444

activates multiple metabolic: Topics by E-print Network  

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

for nearly all of the carbohydrate catabolized. The combination of energy utilization Bennett, Albert F. 3 Multiple-instance active learning CiteSeer Summary: We present a...

445

V-132: IBM Tivoli System Automation Application Manager Multiple...  

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

IBM has acknowledged multiple vulnerabilities in IBM Tivoli System Automation Application Manager PLATFORM: The vulnerabilities are reported in IBM Tivoli System Automation...

446

Poly(dimethylsiloxane) microchip-based immunoassay with multiple...  

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

immunoassay with multiple reaction zones: Toward on-chip multiplex detection platform. Abstract: In this work, a poly(dimethylsiloxane) (PDMS) microchip-based immuno-sensing...

447

Energetics and Dynamics of Peptide Fragmentation from Multiple...  

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

of peptides containing the LDIFSDF motif. Citation: Laskin J.2004."Energetics and Dynamics of Peptide Fragmentation from Multiple-Collision Activation and Surface-Induced...

448

Multiple capillary biochemical analyzer with barrier member  

DOE Patents [OSTI]

A multiple capillary biochemical analyzer is disclosed for sequencing DNA and performing other analyses, in which a set of capillaries extends from wells in a microtiter plate into a cuvette. In the cuvette the capillaries are held on fixed closely spaced centers by passing through a sandwich construction having a pair of metal shims which squeeze between them a rubber gasket, forming a leak proof seal for an interior chamber in which the capillary ends are positioned. Sheath fluid enters the chamber and entrains filament sample streams from the capillaries. The filament sample streams, and sheath fluid, flow through aligned holes in a barrier member spaced close to the capillary ends, into a collection chamber having a lower glass window. The filament streams are illuminated above the barrier member by a laser, causing them to fluoresce. The fluorescence is viewed end-on by a CCD camera chip located below the glass window. The arrangement ensures an equal optical path length from all fluorescing spots to the CCD chip and also blocks scattered fluorescence illumination, providing more uniform results and an improved signal-to-noise ratio. 12 figs.

Dovichi, N.J.; Zhang, J.Z.

1996-10-22T23:59:59.000Z

449

Nanoparticles modified with multiple organic acids  

DOE Patents [OSTI]

Surface-modified nanoparticles of boehmite, and methods for preparing the same. Aluminum oxyhydroxide nanoparticles are surface modified by reaction with selected amounts of organic acids. In particular, the nanoparticle surface is modified by reactions with two or more different carboxylic acids, at least one of which is an organic carboxylic acid. The product is a surface modified boehmite nanoparticle that has an inorganic aluminum oxyhydroxide core, or part aluminum oxyhydroxide core and a surface-bonded organic shell. Organic carboxylic acids of this invention contain at least one carboxylic acid group and one carbon-hydrogen bond. One embodiment of this invention provides boehmite nanoparticles that have been surface modified with two or more acids one of which additional carries at least one reactive functional group. Another embodiment of this invention provides boehmite nanoparticles that have been surface modified with multiple acids one of which has molecular weight or average molecular weight greater than or equal to 500 Daltons. Yet, another embodiment of this invention provides boehmite nanoparticles that are surface modified with two or more acids one of which is hydrophobic in nature and has solubility in water of less than 15 by weight. The products of the methods of this invention have specific useful properties when used in mixture with liquids, as filler in solids, or as stand-alone entities.

Cook, Ronald Lee (Lakewood, CO); Luebben, Silvia DeVito (Golden, CO); Myers, Andrew William (Arvada, CO); Smith, Bryan Matthew (Boulder, CO); Elliott, Brian John (Superior, CO); Kreutzer, Cory (Brighton, CO); Wilson, Carolina (Arvada, CO); Meiser, Manfred (Aurora, CO)

2007-07-17T23:59:59.000Z

450

Knowledge Framework Implementation with Multiple Architectures - 13090  

SciTech Connect (OSTI)

Multiple kinds of knowledge management systems are operational in public and private enterprises, large and small organizations with a variety of business models that make the design, implementation and operation of integrated knowledge systems very difficult. In recent days, there has been a sweeping advancement in the information technology area, leading to the development of sophisticated frameworks and architectures. These platforms need to be used for the development of integrated knowledge management systems which provides a common platform for sharing knowledge across the enterprise, thereby reducing the operational inefficiencies and delivering cost savings. This paper discusses the knowledge framework and architecture that can be used for the system development and its application to real life need of nuclear industry. A case study of deactivation and decommissioning (D and D) is discussed with the Knowledge Management Information Tool platform and framework. D and D work is a high priority activity across the Department of Energy (DOE) complex. Subject matter specialists (SMS) associated with DOE sites, the Energy Facility Contractors Group (EFCOG) and the D and D community have gained extensive knowledge and experience over the years in the cleanup of the legacy waste from the Manhattan Project. To prevent the D and D knowledge and expertise from being lost over time from the evolving and aging workforce, DOE and the Applied Research Center (ARC) at Florida International University (FIU) proposed to capture and maintain this valuable information in a universally available and easily usable system. (authors)

Upadhyay, H.; Lagos, L.; Quintero, W.; Shoffner, P. [Applied Research Center, Florida International University, Miami, FL 33174 (United States)] [Applied Research Center, Florida International University, Miami, FL 33174 (United States); DeGregory, J. [Office of D and D and Facility Engineering, Environmental Management, Department of Energy (United States)] [Office of D and D and Facility Engineering, Environmental Management, Department of Energy (United States)

2013-07-01T23:59:59.000Z

451

Implementing multi-step chemical kinetics models in opposed-flow flame spread over cellulose and a comparison to single-step chemistry  

SciTech Connect (OSTI)

Multi-step, gas-phase chemical kinetics are introduced into flame spread modeling efforts. An unsteady multi-step, gas-phase kinetics model both with and without steady-state species assumptions, and including nonunit Lewis number, is compared with a model including a single, finite-rate gas-phase reaction, which has been the usual approach in flame spread modeling. Laminar diffusion flames over a thin fuel in an opposing O{sub 2}/N{sub 2} flow are considered with the solution in two-dimensional space of momentum, energy, and 12 gas-phase species. Results for the multi-step models show detailed flame structure in terms of species and heat release distributions throughout the flame and the role of chemical kinetics as a controlling mechanism in flame spread. Of particular interest is the potential of multi-step chemical kinetics in solutions at near-extinction limit conditions. While the incorporation of nonunit Le alone affords more detailed species transport, in high opposing flows it was found to give only minor structural differences form the single-step unit Le model. The multi-step chemistry allows for the gas kinetics to be self-adjusting to environmental conditions. As a result, the distribution of endothermicity and exothermicity throughout the flame and for particular reversible reactions is found to be a function of the flow environment, which overcomes a major drawback of single-step models, namely a fixed heat of combustion independent of environmental conditions, or one that must be determined separately from the model itself.

Wolverton, M.K.; Altenkirch, R.A.; Tang, L. [Mississippi State Univ., MS (United States)] [Mississippi State Univ., MS (United States)

1999-07-01T23:59:59.000Z

452

Why methyl tert-butyl ether production by reactive distillation may yield multiple solutions  

SciTech Connect (OSTI)

This paper presents an explanation of why methyl tert-butyl ether (MTBE) production by reactive distillation may yield multiple solutions. Widely different composition profiles and conversions may, as already reported by Krishna and others, results with identical column specifications, depending on the initial estimates provided. A hypothesis yielding a qualitative understanding of this phenomenon has been developed. The inert n-butene plays a key role in the proposed explanation: As the reaction mixture is diluted with n-butene, the activity coefficient of methanol increases substantially and the temperature decreases. This dilution has a profound effect on the equilibrium conversion, enabling MTBE to escape from the reactive zone without decomposition. When methanol is fed below or in the lower part of the reactive zone of the column, the ``lifting capacity`` of the minimum boiling point MTBE-methanol azeotrope will also be important.

Hauan, S.; Hertzberg, T.; Lien, K.M. [Univ. of Trondheim (Norway)

1995-03-01T23:59:59.000Z

453

NEAR-INFRARED IMAGING OF A z = 6.42 QUASAR HOST GALAXY WITH THE HUBBLE SPACE TELESCOPE WIDE FIELD CAMERA 3  

SciTech Connect (OSTI)

We report on deep near-infrared F125W (J) and F160W (H) Hubble Space Telescope Wide Field Camera 3 images of the z = 6.42 quasar J1148+5251 to attempt to detect rest-frame near-ultraviolet emission from the host galaxy. These observations included contemporaneous observations of a nearby star of similar near-infrared colors to measure temporal variations in the telescope and instrument point-spread function (PSF). We subtract the quasar point source using both this direct PSF and a model PSF. Using direct subtraction, we measure an upper limit for the quasar host galaxy of m{sub J} > 22.8 and m{sub H} > 23.0 AB mag (2 {sigma}). After subtracting our best model PSF, we measure a limiting surface brightness from 0.''3 to 0.''5 radius of {mu}{sub J} > 23.5 and {mu}{sub H} > 23.7 AB mag arcsec{sup -2} (2 {sigma}). We test the ability of the model subtraction method to recover the host galaxy flux by simulating host galaxies with varying integrated magnitude, effective radius, and Sersic index, and conducting the same analysis. These models indicate that the surface brightness limit ({mu}{sub J} > 23.5 AB mag arcsec{sup -2}) corresponds to an integrated upper limit of m{sub J} > 22-23 AB mag, consistent with the direct subtraction method. Combined with existing far-infrared observations, this gives an infrared excess log (IRX) > 1.0 and corresponding ultraviolet spectral slope {beta} > -1.2 {+-} 0.2. These values match those of most local luminous infrared galaxies, but are redder than those of almost all local star-forming galaxies and z {approx_equal} 6 Lyman break galaxies.

Mechtley, M.; Windhorst, R. A.; Cohen, S. H.; Jansen, R. A.; Scannapieco, E. [School of Earth and Space Exploration, Arizona State University, P.O. Box 871404, Tempe, AZ 85287 (United States); Ryan, R. E.; Koekemoer, A. M. [Space Telescope Science Institute, Baltimore, MD 21218 (United States); Schneider, G.; Fan, X. [Steward Observatory, University of Arizona, Tucson, AZ 85721 (United States); Hathi, N. P. [Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101 (United States); Keel, W. C. [Department of Physics and Astronomy, University of Alabama, Box 870324, Tuscaloosa, AL 35487 (United States); Roettgering, H. [Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA, Leiden (Netherlands); Schneider, D. P. [Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802 (United States); Strauss, M. A. [Princeton University Observatory, Princeton, NJ 08544 (United States); Yan, H. J. [Department of Physics and Astronomy, The University of Missouri, 701 South College Ave, Columbia, MO 65211 (United States)

2012-09-10T23:59:59.000Z

454

Discovery in Hydrating Plaster Using Multiple Machine Learning Methods  

E-Print Network [OSTI]

Discovery in Hydrating Plaster Using Multiple Machine Learning Methods Judith E. Devaney, John G plaster over multiple time periods. We use three dimensional data obtained through X-ray microtomography of the plaster datasets that had been labeled with their autoclass predictions. The rules were found to have both

Fernandez, Thomas

455

Multiple Aphid Resistance from Alien Sources and its Chromosomal Location  

E-Print Network [OSTI]

Multiple Aphid Resistance from Alien Sources and its Chromosomal Location in Bread Wheat Leonardo A Alien Sources and Its Chromosomal Location in Bread Wheat Abstract Wheat (Triticum aestivum) is a very of this thesis were to: 1) identify novel sources of resistance to multiple aphid species in a wheat-alien

456

Model Reduction for Power Electronics Systems with Multiple Heat Sources  

E-Print Network [OSTI]

Model Reduction for Power Electronics Systems with Multiple Heat Sources A. Augustin, T. Hauck, B demonstrates the model order re- duction procedures applied to semiconductor devices with multiple heat sources. The approach is demonstrated for a device with nine heat sources where some of them are perma- nently active

Paris-Sud XI, Université de

457

Exploiting Collective Effects of Multiple Optoelectronic Devices Integrated in a  

E-Print Network [OSTI]

Exploiting Collective Effects of Multiple Optoelectronic Devices Integrated in a Single Fiber. In this work, we demonstrate the successful fabrication of an eight-device cascaded optoelectronic fiber of integrating multiple optoelectronic components into a single fiber cross-section. This is in fact a common

California at Irvine, University of

458

Cognitive Single Carrier Systems: Joint Impact of Multiple Licensed Transceivers  

E-Print Network [OSTI]

Cognitive Single Carrier Systems: Joint Impact of Multiple Licensed Transceivers Kyeong Jin Kim of interference from multiple licensed transceivers on cognitive underlay single carrier systems is examined, and 3) interference power from the primary transmitters. For this cognitive underlay single carrier

Elkashlan, Maged

459

Objectives for Multiple-Species Conservation EMILY NICHOLSON  

E-Print Network [OSTI]

of extinction for multiple species. Although the assessment of extinction risk for single species is common, few researchers have formu- lated an objective function that combines the extinction risks of multiple species. We functions based on extinction risk across many species and illustrated the differences between

Queensland, University of

460

SUPPORTING END-TO-END SECURITY ACROSS PROXIES WITH MULTIPLE-  

E-Print Network [OSTI]

SUPPORTING END-TO-END SECURITY ACROSS PROXIES WITH MULTIPLE- CHANNEL SSL Yong Song, Victor C Columbia, 2356 Main Mall, Vancouver, BC V6T 1Z4, Canada Abstract: Secure Socket Layer (SSL) has functional used by clients to communicate with servers. This paper introduces Multiple-Channel SSL (MC-SSL

Note: This page contains sample records for the topic "wide spread multiple" 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

Linearly Exchangable Permits for the Efficient Control of Multiple Pollutants  

E-Print Network [OSTI]

PWP-019 Linearly Exchangable Permits for the Efficient Control of Multiple Pollutants James B;Linear Exchangeable Permits for the Ecient Control of Multiple Pollutants James B. Bushnell University of pollutants. Often a new polluter is required to purchase an "o-set" from an existing polluter prepared

California at Berkeley. University of

462

The Energy Harvesting Multiple Access Channel with Energy Storage Losses  

E-Print Network [OSTI]

The Energy Harvesting Multiple Access Channel with Energy Storage Losses Kaya Tutuncuoglu and Aylin considers a Gaussian multiple access channel with two energy harvesting transmitters with lossy energy storage. The power allocation policy maximizing the average weighted sum rate given the energy harvesting

Yener, Aylin

463

Properties of Iterated Multiple Belief Revision Dongmo Zhang  

E-Print Network [OSTI]

in the community of belief revision[2][5][9][10][13][17]. The major concern in the research is the reducibilityProperties of Iterated Multiple Belief Revision Dongmo Zhang School of Computing and Information investigate the properties of iterated multiple belief revision. We examine several typical assumptions

Zhang, Dongmo

464

Multiple Blind Watermarking in the DRM-Context  

E-Print Network [OSTI]

Multiple Blind Watermarking in the DRM-Context #12;#12;Multiple Blind Watermarking in the DRM have helped me throughout my master thesis in one or the other way. I want to thank my supervisor Andreas Uhl who guided me through my master thesis and supported me much more than a supervisor has to. I

Uhl, Andreas

465

Cancer Treatment Using Multiple Chemotheraputic Agents Subject to Drug Resistance  

E-Print Network [OSTI]

Cancer Treatment Using Multiple Chemotheraputic Agents Subject to Drug Resistance J. J. Westman-7045 USA Abstract A compartment model for the evolution of cancer subject to multiple chemotherapeutic agents is presented. The formulation accounts for the heterogeneous nature of cancer and drug resistance

Hanson, Floyd B.

466

Coordinated Output Regulation of Multiple Heterogeneous Linear Systems  

E-Print Network [OSTI]

, the generalizations of coordination of multiple linear dynamic systems to the cooperative output regulation problemCoordinated Output Regulation of Multiple Heterogeneous Linear Systems Ziyang Meng, Tao Yang, Dimos V. Dimarogonas, and Karl H. Johansson Abstract-- The coordinated output regulation problem

Dimarogonas, Dimos

467

CURVES OF GENUS 2 WITH p 2 MULTIPLICATION  

E-Print Network [OSTI]

thesis, which looks at curves of genus 2 whose jacobians have p 2 multiplication, with the generalisedCURVES OF GENUS 2 WITH p 2 MULTIPLICATION PETER R. BENDING Abstract We give a universal family, and let f be a newform on \\Gamma 1 (N) whose field of Fourier coefficients is F (F is a totally real field

468

Transdichotomous algorithms without multiplication some upper and lower bounds  

E-Print Network [OSTI]

Trans­dichotomous algorithms without multiplication ­ some upper and lower bounds Andrej Brodnik 1 that on a RAM with addition, subtraction, bitwise Boolean operations and shifts, but no multiplication; 1g w of w­bit bit strings (or numbers between 0 and 2 w \\Gamma 1). An increasingly popular

Brodnik, Andrej "Andy"

469

Analysis of Country-wide Internet Outages Caused by Alberto Dainotti  

E-Print Network [OSTI]

: Egypt and Libya. Our analy- sis relies on multiple sources of large-scale data already available other insights, we detected what we believe were Libya's attempts to test firewall- based blocking on February 11. Four days later, similar protests erupted in Libya, calling for an end to the Gaddafi regime

California at San Diego, University of

470

Cooperative target convergence using multiple agents  

SciTech Connect (OSTI)

This work considers the problem of causing multiple (100`s) autonomous mobile robots to converge to a target and provides a follow-the-leader approach to the problem. Each robot has only a limited-range sensor for sending the target and also larger but also limited-range robot-to-robot communication capability. Because of the small amount of information available to the robots, a practical approach to improve convergence to the target is to have a robot follow the robot with the best quality of information. Specifically, each robot emits a signal that informs in-range robots what its status is. A robot has a status value of 0 if it is itself in range of the target. A robot has a status of 1 if it is not in range of the target but is in communication range of a robot that is in range of the target. A robot has a status of 2 if it is not in range of the target but is within range of another robot that has status 1, and so on. Of all the mobile robots that any given robot is in range of, it follows the one with the best status. The emergent behavior is the ant-like trails of robots following each other toward the target. If the robot is not in range of another robot that is either in range of the target or following another robot, the robot will assign-1 to its quality-of-information, and will execute an exhaustive search. The exhaustive search will continue until it encounters either the target or another robot with a nonnegative quality-of-information. The quality of information approach was extended to the case where each robot only has two-bit signals informing it of distance to in-range robots.

Kwok, K.S.; Driessen, B.J.

1997-10-01T23:59:59.000Z

471

Control of Multiple Robotic Sentry Vehicles  

SciTech Connect (OSTI)

As part of a project for the Defense Advanced Research Projects Agency, Sandia National Laboratories is developing and testing the feasibility of using of a cooperative team of robotic sentry vehicles to guard a perimeter and to perform surround and diversion tasks. This paper describes on-going activities in the development of these robotic sentry vehicles. To date, we have developed a robotic perimeter detection system which consists of eight ''Roving All Terrain Lunar Explorer Rover'' (RATLER{trademark}) vehicles, a laptop-based base-station, and several Miniature Intrusion Detection Sensors (MIDS). A radio frequency receiver on each of the RATLER vehicles alerts the sentry vehicles of alarms from the hidden MIDS. When an alarm is received, each vehicle decides whether it should investigate the alarm based on the proximity of itself and the other vehicles to the alarm. As one vehicle attends an alarm, the other vehicles adjust their position around the perimeter to better prepare for another alarm. We have also demonstrated the ability to drive multiple vehicles in formation via tele-operation or by waypoint GPS navigation. This is currently being extended to include mission planning capabilities. At the base-station, the operator can draw on an aerial map the goal regions to be surrounded and the repulsive regions to be avoided. A potential field path planner automatically generates a path from the vehicles' current position to the goal regions while avoiding the repulsive regions and the other vehicles. This path is previewed to the operator before the regions are downloaded to the vehicles. The same potential field path planner resides on the vehicle, except additional repulsive forces from on-board proximity sensors guide the vehicle away from unplanned obstacles.

Feddema, J.; Klarer, P.; Lewis, C.

1999-04-01T23:59:59.000Z

472

Multiple anatomy optimization of accumulated dose  

SciTech Connect (OSTI)

Purpose: To investigate the potential advantages of multiple anatomy optimization (MAO) for lung cancer radiation therapy compared to the internal target volume (ITV) approach. Methods: MAO aims to optimize a single fluence to be delivered under free-breathing conditions such that the accumulated dose meets the plan objectives, where accumulated dose is defined as the sum of deformably mapped doses computed on each phase of a single four dimensional computed tomography (4DCT) dataset. Phantom and patient simulation studies were carried out to investigate potential advantages of MAO compared to ITV planning. Through simulated delivery of the ITV- and MAO-plans, target dose variations were also investigated. Results: By optimizing the accumulated dose, MAO shows the potential to ensure dose to the moving target meets plan objectives while simultaneously reducing dose to organs at risk (OARs) compared with ITV planning. While consistently superior to the ITV approach, MAO resulted in equivalent OAR dosimetry at planning objective dose levels to within 2% volume in 14/30 plans and to within 3% volume in 19/30 plans for each lung V20, esophagus V25, and heart V30. Despite large variations in per-fraction respiratory phase weights in simulated deliveries at high dose rates (e.g., treating 4/10 phases during single fraction beams) the cumulative clinical target volume (CTV) dose after 30 fractions and per-fraction dose were constant independent of planning technique. In one case considered, however, per-phase CTV dose varied from 74% to 117% of prescription implying the level of ITV-dose heterogeneity may not be appropriate with conventional, free-breathing delivery. Conclusions: MAO incorporates 4DCT information in an optimized dose distribution and can achieve a superior plan in terms of accumulated dose to the moving target and OAR sparing compared to ITV-plans. An appropriate level of dose heterogeneity in MAO plans must be further investigated.

Watkins, W. Tyler, E-mail: watkinswt@virginia.edu; Siebers, Jeffrey V. [Department of Radiation Oncology, University of Virginia, Charlottesville, Virginia 22908 and Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298 (United States); Moore, Joseph A. [Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland 21231 and Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298 (United States); Gordon, James [Henry Ford Health System, Detroit, Michigan 48202 and Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298 (United States); Hugo, Geoffrey D. [Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23298 (United States)

2014-11-01T23:59:59.000Z

473

Uncertainty Analysis Framework - Hanford Site-Wide Groundwater Flow and Transport Model  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory (PNNL) embarked on a new initiative to strengthen the technical defensibility of the predictions being made with a site-wide groundwater flow and transport model at the U.S. Department of Energy Hanford Site in southeastern Washington State. In FY 2000, the focus of the initiative was on the characterization of major uncertainties in the current conceptual model that would affect model predictions. The long-term goals of the initiative are the development and implementation of an uncertainty estimation methodology in future assessments and analyses using the site-wide model. This report focuses on the development and implementation of an uncertainty analysis framework.

Cole, Charles R.; Bergeron, Marcel P.; Murray, Christopher J.; Thorne, Paul D.; Wurstner, Signe K.; Rogers, Phillip M.

2001-11-09T23:59:59.000Z

474

Multiple solutions of steady MHD flow of dilatant ZAKIA HAMMOUCH  

E-Print Network [OSTI]

-Newtonian model which has been widely studied is the Ostwald-de Wael power-law model [3][4], which relies

Boyer, Edmond

475

Non-smooth Chemical Freeze-out and Apparent Width of Wide Resonances and Quark Gluon Bags in a Thermal Environment  

E-Print Network [OSTI]

Here we develop the hadron resonance gas model with the Gaussian width of hadron resonances. This model allows us to treat the usual hadrons and the quark gluon bags on the same footing and to study the stability of the results obtained within different formulations of the hadron resonance gas model. In this work we perform a successful fit of 111 independent hadronic multiplicity ratios measured for $\\sqrt{s_{NN}} $= 2.7- 200 GeV. We demonstrate that in a narrow range of collision energy $\\sqrt{s_{NN}} =$ 4.3-4.9 GeV there exist peculiar irregularities in various thermodynamic quantities found at chemical freeze-out. The most remarkable irregularity is an unprecedented jump of the number of effective degrees of freedom observed in this narrow energy range which is seen in all realistic versions of the hadron resonance gas model. Therefore, the developed concept is called the non-smooth chemical freeze-out. We are arguing that these irregularities evidence for the possible formation of quark gluon bags. In order to develop other possible signals of their formation here we study the apparent width of wide hadronic resonances and quark gluon bags in a thermal environment. Two new effects generated for the wide resonances and quark gluon bags by a thermal medium are discussed here: the near threshold thermal resonance enhancement and the near threshold thermal resonance sharpening. On the basis of the new effects we argue that the most optimistic chance to find experimentally the quark gluon bags may be related to their sharpening and enhancement in a thermal medium. In this case the wide quark gluon bags may appear directly or in decays as narrow resonances that are absent in the tables of elementary particles and that have the apparent width about 50-120 MeV and the mass about or above 2.5 GeV.

K. A. Bugaev; A. I. Ivanytskyi; D. R. Oliinychenko; E. G. Nikonov; V. V. Sagun; G. M. Zinovjev

2014-05-06T23:59:59.000Z

476

The Post Forecast Revision Drift and Underreaction to Industry-Wide and/or Firm-Specific Earnings  

E-Print Network [OSTI]

The Post Forecast Revision Drift and Underreaction to Industry-Wide and/or Firm-Specific Earnings the post forecast revision drift is attributable to investors' underreaction to industry-wide and/or firm-specific earnings news in analysts' forecast revisions. We find a large drift associated with industry-wide earnings

477

A Unified Multiple-Level Cache for High Performance Storage Systems  

SciTech Connect (OSTI)

Multi-level cache hierarchies are widely used in high-performance storage systems to improve I/O performance. However, traditional cache management algorithms are not suited well for such cache organizations. Recently proposed multi-level cache replacement algorithms using aggressive exclusive caching work well with single or multiple-client, low-correlated workloads, but suffer serious performance degradation with multiple-client, high-correlated workloads. In this paper, we propose a new cache management algorithm that handles multi-level buffer caches by forming a unified cache (uCache), which uses both exclusive caching in L2 storage caches and cooperative client caching. We also propose a new local replacement algorithm, Frequency Based Eviction-Reference (FBER), based on our study of access patterns in exclusive caches. Our simulation results show that uCache increases the cumulative cache hit ratio dramatically. Compared to other popular cache algorithms, such as LRU, the I/O response time is improved by up to 46% for low-correlated workloads and 53% for high-correlated workloads.

He, X. [Tennessee Technological University; Ou, Li [Tennessee Technological University; Kosa, Martha J. [Tennessee Technological University; Scott, Steven L [ORNL; Engelmann, Christian [ORNL

2007-01-01T23:59:59.000Z

478

The Evolution Towards Grids: Ten Years of High-Speed, Wide Area, Data Intensive Computing  

E-Print Network [OSTI]

systems (e.g., multi-component turbomachine simulation); · Management of very large parameter space / Boeing Remote Help Desk that will provide aircraft field maintenance personnel use of coupled video1 The Evolution Towards Grids: Ten Years of High-Speed, Wide Area, Data Intensive Computing William

479

A Generalized Replica Placement Strategy to Optimize Latency in a Wide Area Distributed Storage System  

E-Print Network [OSTI]

, CT USA john.chandy at uconn.edu ABSTRACT Wide area distributed storage systems leverage the scale is a peer-to-peer system that can pool disparate distributed resources into a cohesive storage system as inspiration, many global storage systems have used a peer to peer network framework as the underlying

Chandy, John A.

480

Spring 2011 Rube Goldberg's humerous cartoons have inspired students world-wide to have fun  

E-Print Network [OSTI]

Spring 2011 Rube Goldberg's humerous cartoons have inspired students world-wide to have fun, the undergraduates built their Rube Goldberg machine at the Learning Factory in the spring. Apart from the lumber an Archimedes screw to drive the water uphill, a Thompson's coil to activate a switch, and a diet coke

Demirel, Melik C.

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


481

Plant-wide Control for Better De-oiling of Produced Water in Offshore Oil & Gas  

E-Print Network [OSTI]

Plant-wide Control for Better De-oiling of Produced Water in Offshore Oil & Gas Production Zhenyu (PWT) in offshore oil & gas production processes. Different from most existing facility- or material offshore and the oil industry expects this share to grow continuously in the future. In last decade, oil

Yang, Zhenyu

482

Wide-field near-infrared all-reflecting camera with Fabry--Perot for astronomy  

E-Print Network [OSTI]

Wide-field near-infrared all-reflecting camera with Fabry--Perot for astronomy Yin-sheng Sun to small temperature differences in the optical system. Keywords: Fabry-Perot etalon, reflecting, near-infrared, imaging, astronomy 1 INTRODUCTION Our goal is to build a camera that can acquire near-infrared images

Ashley, Michael C. B.

483

World Wide Web Usage Mining Systems and Technologies Wen-Chen Hu  

E-Print Network [OSTI]

World Wide Web Usage Mining Systems and Technologies Wen-Chen Hu Department of Computer Science and technologies. A Web usage mining system performs five major tasks: i) data gathering, ii) data preparation, iii usage mining technologies and systems. A Web usage mining system must be able to perform five major

Hu, Wen-Chen

484

Abstract Cultivated tomato (Lycopersicon esculentum) encompass a wide range of fruit shape and size variants.  

E-Print Network [OSTI]

Abstract Cultivated tomato (Lycopersicon esculentum) encompass a wide range of fruit shape and size variants. This variation can be used to genetically dissect the mo- lecular basis of ovary and fruit morphology. The cultivar Long John displays an extremely elongated fruit pheno- type, while the wild relative

van der Knaap, Esther

485

Abstract Cultivated tomatoes (Lycopersicon esculen-tum) encompass a wide range of fruit size and shape  

E-Print Network [OSTI]

Abstract Cultivated tomatoes (Lycopersicon esculen- tum) encompass a wide range of fruit size of ovary and fruit development. One fruit shape variant is displayed by the cultivar Sun 1642 (TA491). TA491 has an elongated fruit phenotype, while the wild relative L. pimpinellifolium LA1589 produces

van der Knaap, Esther

486

Magnetic field penetration in a long Josephson junction imbedded in a wide stripline  

E-Print Network [OSTI]

Magnetic field penetration in a long Josephson junction imbedded in a wide stripline Andreas Franz The dependence of the first critical field of long linear and annular Josephson junctions on the width A Josephson junction is formed by two superconductors separated by a thin oxide layer allowing the tunneling

Wallraff, Andreas

487

sampling locationsG The Lake Erie ecosystem faces a wide and varied  

E-Print Network [OSTI]

, Lake Erie algal bloom. October 11, 2013. Credit: NOAA Great Lakes CoastWatch #12;Upwelling Upwellingsampling locationsG The Lake Erie ecosystem faces a wide and varied range of threats to its health Lakes, such as Green Bay, Lake Michigan; Saginaw Bay, Lake Huron; and the central basin of Lake Erie

488

PageSim: A Novel Link-based Similarity Measure for the World Wide Web  

E-Print Network [OSTI]

PageSim: A Novel Link-based Similarity Measure for the World Wide Web Zhenjiang Lin, Irwin King the similarity between web pages arises in many applications on the Web, such as web searching engine and web document classification. According to the unique characteristics of the Web, which are huge, rapidly

King, Kuo Chin Irwin

489

Sintered molybdenum for a metallized ceramic substrate packaging for the wide-  

E-Print Network [OSTI]

of thermal expansion (CTE) matching that of SiC are needed. A metallized ceramic substrate based on aluminium the metal layer) and thermal conductivity (of the metal and ceramic layers). The most substrate usedSintered molybdenum for a metallized ceramic substrate packaging for the wide- bandgap devices

Boyer, Edmond

490

LETTER Communicated by Donald Spencer Wide-Band Information Transmission at the Calyx of Held  

E-Print Network [OSTI]

LETTER Communicated by Donald Spencer Wide-Band Information Transmission at the Calyx of Held, University of Leicester, Leicester LE1 9HN, U.K. Bruce P. Graham b.graham@cs.stir.ac.uk Computing Science and Mathematics, University of Stirling, Stirling FK9 4LA, U.K. We use a mathematical model of the calyx of Held

Graham, Bruce

491

The World Wide Web and Technology Transfer at NASA Langley Research Center  

E-Print Network [OSTI]

The World Wide Web and Technology Transfer at NASA Langley Research Center Michael L. Nelson with a reorganization of LaRC to provide a more concentrated focus on technology transfer to both aerospace and non allows for the implementation, evolution and integration of many technology transfer applications

Nelson, Michael L.

492

DAX: A Widely Distributed Multi-tenant Storage Service for DBMS Hosting  

E-Print Network [OSTI]

DAX: A Widely Distributed Multi-tenant Storage Service for DBMS Hosting Rui Liu University data management needs that are best served by a SQL-based relational DBMS. It is not difficult to run a DBMS in the cloud, and in many cases one DBMS instance is enough to support an application's workload

Aboulnaga, Ashraf

493

Publications Forest Research publishes a wide range of material, from corporate reports and plans, to  

E-Print Network [OSTI]

Holt Research Forest by Andy J. Moffat (free) The quest for sustainable energy: woodfuel meetsPublications Forest Research publishes a wide range of material, from corporate reports and plans-reviewed articles in scientific journals and produce books through external publishing houses. 50 Forest Research

494

J. Astrophys. Astr. (0000) 00, 000000 ATLAS, and Wide-Angle Tail Galaxies in ATLAS  

E-Print Network [OSTI]

J. Astrophys. Astr. (0000) 00, 000­000 ATLAS, and Wide-Angle Tail Galaxies in ATLAS Minnie Y. Mao1 Telescope Compact Array (ATCA), ATLAS (Australia Telescope Large Area Survey) is imaging two fields large extent of 12 Mpc, with a velocity range of 4500 km s-1. Here we present the WATs in ATLAS

Norris, Ray

495

As part of the university-wide strategic planning process, Case School of Engineering  

E-Print Network [OSTI]

As part of the university-wide strategic planning process, Case School of Engineering is focusing to alumni (see opposite page). Our stories will showcase "energy, technology and health, advanced materials for Layered Polymeric Systems (CLiPS), the Center for Cardiovascular Biomaterials, the Case Advanced Power

Rollins, Andrew M.

496

Flexible, Wide-Area Storage for Distributed Systems with WheelFS  

E-Print Network [OSTI]

WheelFS is a wide-area distributed storage system intended to help multi-site applications share data and gain fault tolerance. WheelFS takes the form of a distributed file system with a familiar POSIX interface. Its design ...

Stribling, Jeremy

497

Unobservable Surfing on the World Wide Web: Is Private Information Retrieval an alternative to the MIX  

E-Print Network [OSTI]

reasons for choosing PIR include: - Security: PIR provides perfect security (the technique itself (PIR) perfectly protects a user's access pattern to a database. An attacker cannot observe (or discuss the application of PIR on the World Wide Web and com- pare it to the MIX approach. We demonstrate

498

The Energy Dashboard: Improving the Visibility of Energy Consumption at a Campus-Wide Scale  

E-Print Network [OSTI]

of Energy (DOE) estimates that 73% of the electricity usage and 39% of the CO2 emissions in the US come from, Experimentation, Measurement, Human Factors Keywords Energy, Power, Buildings 1 Introduction The US DepartmentThe Energy Dashboard: Improving the Visibility of Energy Consumption at a Campus-Wide Scale Yuvraj

Gupta, Rajesh

499

Widely Tunable 10 Gbps Separate Absorption and Modulation Mach-Zehnder Wavelength  

E-Print Network [OSTI]

of an InGaAs n-contact layer, n-InP cladding, InGaAsP waveguide and a set of seven quantum wells all grown1 Widely Tunable 10 Gbps Separate Absorption and Modulation Mach-Zehnder Wavelength Converter A A fully monolithic separate absorption and modulation region wavelength converter requiring no bias tees

Coldren, Larry A.

500

Benefits of Green Energy and Proportionality in High Speed Wide Area Networks Connecting Data Centers  

E-Print Network [OSTI]

Benefits of Green Energy and Proportionality in High Speed Wide Area Networks Connecting Data Network ModelBackbone Network Model Green EnergyGreen Energy SPR vs. GEARSPR vs. GEAR All vs. Necessary (MuSyC), National Science Foundation (NSF) Project GreenLight, Energy Sciences Network (ESnet), NSF

Simunic, Tajana