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1

Definition: Interruptible Load Or Interruptible Demand | Open Energy  

Open Energy Info (EERE)

Interruptible Load Or Interruptible Demand Interruptible Load Or Interruptible Demand Jump to: navigation, search Dictionary.png Interruptible Load Or Interruptible Demand Demand that the end-use customer makes available to its Load-Serving Entity via contract or agreement for curtailment.[1] View on Wikipedia Wikipedia Definition View on Reegle Reegle Definition No reegle definition available. Also Known As non-firm service Related Terms transmission lines, electricity generation, transmission line, firm transmission service, smart grid References ↑ Glossary of Terms Used in Reliability Standards An inli LikeLike UnlikeLike You like this.Sign Up to see what your friends like. ne Glossary Definition Retrieved from "http://en.openei.org/w/index.php?title=Definition:Interruptible_Load_Or_Interruptible_Demand&oldid=502615"

2

Interruptible iterators  

E-Print Network (OSTI)

This paper introduces interruptible iterators, a language feature that makes expressive iteration abstractions much easier to implement. Iteration abstractions are valuable for software design, as shown by their frequent use in well-designed data structure libraries such as the Java Collections Framework. While Java iterators support iteration abstraction well from the standpoint of client code, they are awkward to implement correctly and efficiently, especially if the iterator needs to support imperative update of the underlying collection, such as removing the current element. Some languages, such as CLU and C # 2.0, support iteration through a limited coroutine mechanism, but these mechanisms do not support imperative updates. Interruptible iterators are more powerful coroutines in which the loop body is able to interrupt the iterator with requests to perform updates. Interrupts are similar to exceptions, but propagate differently and have resumption semantics. Interruptible iterators have been implemented as part of the JMatch programming language, an extended version of Java. A JMatch reimplementation of the Java Collections Framework shows that implementations can be made substantially shorter and simpler; performance results show that this language mechanism can also be implemented efficiently.

Jed Liu; Aaron Kimball; Andrew C. Myers

2006-01-01T23:59:59.000Z

3

Time and Frequency from A to Z: Index  

Science Conference Proceedings (OSTI)

... Time Codes; Jitter; Julian Day; Kilohertz (kHz); Laser Cooling; Leap Day; ... Passive Frequency Standard; Path Delay; Period; Phase; Phase Comparison ...

2010-10-05T23:59:59.000Z

4

Index  

E-Print Network (OSTI)

Monterey Bay Area: Ano Nuevo Long-stemmed and Rossi Square- stemmed Terry Jones and Mark Hylkema INDEX Formation

2002-01-01T23:59:59.000Z

5

Contributions to Radio Frequency Identification (RFID) research: An assessment of SCI-, SSCI-indexed papers from 2004 to 2008  

Science Conference Proceedings (OSTI)

The research literature on Radio Frequency Identification (RFID) has grown exponentially in recent years. In a domain where new concepts and techniques are constantly being introduced, it is of interest to analyze recent trends in this literature. Although ... Keywords: Citation analysis, Radio Frequency Identification (RFID), Science Citation Index (SCI), Social Science Citation Index (SSCI)

Wei-Pang Liao; Tom M. Y. Lin; Shu-Hsien Liao

2011-01-01T23:59:59.000Z

6

Comparison between an SCR and a vacuum interrupter system for repetitive opening  

DOE Green Energy (OSTI)

Two conceptual systems are analyzed for repetitive interruption of current from an inductive energy storage source. The interruption level for both systems is 25 kA at 25 kV. Factors such as interruption frequency, power dissipation, reliability, maintenance, developmental time, and cost are compared. The vacuum interrupter system is considered feasible for an interruption frequency of 25 Hz and a 10 to 20% duty cycle. The SCR system is considered feasible for an interruption frequency of up to 10 kHz.

Parsons, W.M.

1981-01-01T23:59:59.000Z

7

Vacuum interrupters used for the interruption of high dc currents  

DOE Green Energy (OSTI)

Conventional ac vacuum interrupters are being used to interrupt currents in pulsed energy storage systems. They have been tested with dc currents of up to 37 kA. The limit to the current which can be successfully interrupted has been measured as a function of various parameters. Among these are (1) the size of the interrupter, (2) the magnitude of the counterpulse current, (3) the nature and flux rating of the saturable reactor used, and (4) the kind of ''snubber'' circuit used. Fragmentary data have also been collected on electrode erosion rates and on mechanical failure of the bellows. A description is given of the circuits used in these tests and of the results found for a representative selection of the commercially available domestic interrupters. More recently efforts have been made to increase the values found for the maximum interruptible current. The techniques used have included connecting interrupters in parallel and operating them in an impressed axial magnetic field. The results of this work are discussed.

Warren, R.W.

1977-01-01T23:59:59.000Z

8

Measuring High-Frequency Humidity, Temperature and Radio Refractive Index in the Surface Layer  

Science Conference Proceedings (OSTI)

Three different instrument systems are compared in their ability to either directly or indirectly measure humidity, temperature, and refractive-index fluctuations. Each system consists of a basic instrument—a Lyman-? hygrometer, an infrared ...

J. T. Priestley; R. J. Hill

1985-06-01T23:59:59.000Z

9

FREQUENCY DEPENDENCE OF THE POWER-LAW INDEX OF SOLAR RADIO BURSTS  

Science Conference Proceedings (OSTI)

We process solar flare observations of Nobeyama Radio Polarimeters with an improved maximum likelihood method developed recently by Clauset et al. The method accurately extracts power-law behaviors of the peak fluxes in 486 radio bursts at six frequencies (1-35 GHz) and shows an excellent performance in this study. The power-law indices on 1-35 GHz given by this study vary around 1.74-1.87, which is consistent with earlier statistics in different solar cycles and very close to the simulations of the avalanche model by Lu.

Song Qiwu; Huang Guangli [Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008 (China); Tan Baolin, E-mail: songqw@pmo.ac.cn, E-mail: glhuang@pmo.ac.cn, E-mail: bltan@bao.ac.cn [Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 (China)

2012-05-10T23:59:59.000Z

10

Interruption Cost Estimate Calculator | Open Energy Information  

Open Energy Info (EERE)

Interruption Cost Estimate Calculator Interruption Cost Estimate Calculator Jump to: navigation, search Tool Summary Name: Interruption Cost Estimate (ICE) Calculator Agency/Company /Organization: Freeman, Sullivan & Co. Sector: Energy Focus Area: Grid Assessment and Integration, Energy Efficiency Resource Type: Online calculator, Software/modeling tools User Interface: Website Website: icecalculator.com/ Country: United States Cost: Free Northern America References: [1] Logo: Interruption Cost Estimate (ICE) Calculator This calculator is a tool designed for electric reliability planners at utilities, government organizations or other entities that are interested in estimating interruption costs and/or the benefits associated with reliability improvements. About The Interruption Cost Estimate (ICE) Calculator is an electric reliability

11

Avoiding and Managing Interruptions of Electric Service Under an Interruptible Contract or Tariff  

E-Print Network (OSTI)

Many large industrial consumers of electricity purchase power through special interruptible contracts or curtailable tariffs. Historically, the number of actual interruptions has been very small -many interruptible consumers have never been required to curtail their usage, and may be assuming that interruptions will never occur. This situation is largely due to the glut of electric generating capacity that exists today in the United States -generally speaking, there is enough generation available to serve all firm customers and all interruptible customers most of the time. However, this glut will likely disappear in the next few years, meaning that interruptible consumers will be required to suffer more interruptions in the near term. Industrials subject to these interruptions should work now toward mitigating the possibility of interruptions and planning their operations so that interruptions can be avoided or sustained with minimal impact. This paper describes methods available to avoid and manage interruptions.

Evans, G. W.

1995-04-01T23:59:59.000Z

12

Modeling Cathode Cooling Due to Power Interruption  

Science Conference Proceedings (OSTI)

Presentation Title, Modeling Cathode Cooling Due to Power Interruption ... Development and Application of SAMI's Low Voltage Energy-Saving Technology.

13

Interruptible load control for Taiwan Power Company  

SciTech Connect

Load management is the planning and implementation of those utility activities designed to influence customer use of electricity in ways that will produce desired changes in the utility's load shape. Interruptible load program is an option of load management which provides incentive rate to customers to interrupt or reduce the power demand during the system peak period or emergency condition. Therefore, how to design a proper incentive rate is the most important issue in implementing this program. This paper describes three alternatives designed for the interruptible load program, one of which was activated by Taiwan Power Company (Taipower) and some preliminary results were obtained. The effect of the interruptible load to the system peak demand reduction and the change of daily load curve for large industrial customers were analyzed. This paper estimates the avoided cost and design more appropriate incentive rate structure for interruptible load program.

Chen, C.S.; Leu, J.T. (Dept. of Electrical Engineering, National Sun Yat-Sen Univ., Kaohsiung (TW))

1990-05-01T23:59:59.000Z

14

Basic interrupt and command structures and applications  

SciTech Connect

Interrupt and command structures of a real-time system are described through specific examples. References to applications of a real-time system and programing development references are supplied. (auth)

Davies, R.C.

1974-01-01T23:59:59.000Z

15

Vacuum interrupters and thyratrons as opening switches  

DOE Green Energy (OSTI)

The clear advantages of inductive storage for large scale energy storage applications are creating an increasing interest in the research and development of the opening switches required. Opening switches for single-shot inductive transfers have received considerable attention and are fairly well advanced. The problem addressed by this workshop of high power opening switches for high repetition rate applications is much more severe, however, and may well require a major research and development effort. Two candidates for such an opening switch, the triggered vacuum interrupter and the magnetically quenched thyratron, are discussed. By electrically retriggering the discharge in the vacuum interrupter between pulses, the dependence on mechanical motion is eliminated. This should enable repetition rate operation at 10 to 15 kHz while still maintaining the vacuum interrupter's proven interrupting performance of tens of kiloamps at tens of kilovolts. The magnetically quenched thyratron, on the other hand, uses a cross magnetic field to raise the switch impedance by decreasing the electron mobility and driving the discharge into an arc chute wall where it is quenched. Successful interruptions of 1 kA at 15 kV and 100 A at 50 kV after conduction for 10 ..mu..s have been demonstrated by previous researchers. Work at Los Alamos is directed toward understanding the basic mechanisms involved and increasing the switch ratings, particularly the conduction time.

Honig, E.M.

1981-01-01T23:59:59.000Z

16

When poll is better than interrupt  

Science Conference Proceedings (OSTI)

In a traditional block I/O path, the operating system completes virtually all I/Os asynchronously via interrupts. However, performing storage I/O with ultra-low latency devices using next-generation non-volatile memory, it can be shown that polling for ...

Jisoo Yang; Dave B. Minturn; Frank Hady

2012-02-01T23:59:59.000Z

17

Development and interrupting tests on 250KV 8KA HVDC circuit breaker  

SciTech Connect

This paper describes the circuit and component selections, development and equivalent circuit test results on an HVDC circuit breaker for an HVDC transmission line. A puffer type SF/sub 6/ gas interrupter for AC circuit breakers is utilized for interrupting DC current with injection of high-frequency inverse current from a commutating capacitor precharged to HVDC line voltage. Also, the effectiveness of application of the HVDC breaker to an HVDC system with two parallel transmission lines is demonstrated through the EMTP simulation.

Tokuyama, S.; Arimatsu, K.; Hirata, K.; Kato, Y.; Yoshioka, Y.

1985-09-01T23:59:59.000Z

18

Interruptions : using activity transitions to trigger proactive messages  

E-Print Network (OSTI)

The proliferation of mobile devices and their tendency to present information proactively has led to an increase in device generated interruptions experienced by users. These interruptions are not confined to a particular ...

Ho, Joyce (Joyce Carmen)

2004-01-01T23:59:59.000Z

19

Hybrid high direct current circuit interrupter  

DOE Patents (OSTI)

A device and a method are disclosed for interrupting very high direct currents (greater than 100,000 amperes) and simultaneously blocking high voltages (greater than 600 volts). The device utilizes a mechanical switch to carry very high currents continuously with low loss and a silicon controlled rectifier (SCR) to bypass the current around the mechanical switch while its contacts are separating. A commutation circuit, connected in parallel with the SCR, turns off the SCR by utilizing a resonant circuit to divert the SCR current after the switch opens. 7 figs.

Rockot, J.H.; Mikesell, H.E.; Jha, K.N.

1998-08-11T23:59:59.000Z

20

Hybrid high direct current circuit interrupter  

DOE Patents (OSTI)

A device and a method for interrupting very high direct currents (greater than 100,000 amperes) and simultaneously blocking high voltages (greater than 600 volts). The device utilizes a mechanical switch to carry very high currents continuously with low loss and a silicon controlled rectifier (SCR) to bypass the current around the mechanical switch while its contacts are separating. A commutation circuit, connected in parallel with the SCR, turns off the SCR by utilizing a resonant circuit to divert the SCR current after the switch opens.

Rockot, J.H.; Mikesell, H.E.; Jha, K.N.

1996-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Thermal fatigue due to beam interruptions in a Lead-Bismuth cooled ATW blanket  

Science Conference Proceedings (OSTI)

Thermal fatigue consequences of frequent accelerator beam interruptions are quantified for both sodium and lead-bismuth cooled blankets in current designs for accelerator transmutation of waste devices. Temperature response was calculated using the SASSYS-1 systems analysis code for an immediate drop in beam current from full power to zero. Coolant temperatures from SASSYS-1 were fed into a multi-node structure temperature calculation to obtain thermal strains for various structural components. Fatigue curves from the American Society of Mechanical Engineers Boiler and Pressure Vessel Code were used to determine the number of cycles that these components could endure, based on these thermal strains. Beam interruption frequency data from a current accelerator were used to estimate design lifetimes for components. Mitigation options for reducing thermal fatigue are discussed.

Dunn, F.

2000-11-15T23:59:59.000Z

22

INDEX | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

INDEX INDEX INDEX More Documents & Publications Index2.doc ALPHABETICAL INDEX Topic Index to the DOE Administrative Records Disposition Schedules...

23

Analysis of switching surges generated by current interruption in an energy-storage coil  

DOE Green Energy (OSTI)

The paper presents an analysis of the transient voltages which are generated when the current in a large magnetic energy storage coil is interrupted by a dc vacuum circuit breaker. The effect of the various parameters in the circuit on the transient voltage is discussed. The self inductance of the dump resistor must be minimized to control the generated transient. Contrary to general belief, a capacitor across the coil is not an effective surge suppressor. In fact, the capacitor may excite oscillations of higher magnitude. However, a capacitor, in addition to a surge suppressor, may be used to modify the frequency components of the transient voltage so that these frequency components are not coincident with the natural frequencies of the coil. Otherwise, resonant oscillations inside the coil may attain damaging magnitudes. The capacitor would also reduce the steepness of the wavefront of the transient across the coil, thus reducing the nonlinear voltage distribution inside the coil.

Chowdhuri, P.

1981-01-01T23:59:59.000Z

24

NREL: Awards and Honors - Current Interrupt Charging Algorithm for  

NLE Websites -- All DOE Office Websites (Extended Search)

Current Interrupt Charging Algorithm for Lead-Acid Batteries Current Interrupt Charging Algorithm for Lead-Acid Batteries Developers: Matthew A. Keyser, Ahmad A. Pesaran, and Mark M. Mihalic, National Renewable Energy Laboratory; Robert F. Nelson, Recombination Technologies; Elizabeth D. Sexton and John Olson, Optima Batteries, Inc. The current interrupt charging algorithm is a simple approach for recharging lead-acid batteries that extends the cycle life of the batteries by 300% to 400%. Lead-acid batteries used in electric vehicles have, up until now, lasted only about 150 to 200 deep discharge cycles. This is primarily because the batteries have been charged using a constant current and voltage. In contrast, NREL and its partners devised a new and much more efficient way to charge batteries. Their method involves applying a current

25

Fundamentals of interruption in vacuum. Eighth progress report  

SciTech Connect

In analyzing the behavior of a vacuum arc during interruption , a mathematical model has been set up to describe the events occurring in the interelectrode gap during interruption. The reliability of the results obtained using such a model depends on the accuracy of the initial assumptions made in setting up the model equations. Previous results obtained from the model analysis were compared to experimental data and it was found that there was a discrepancy close to current zero. To improve our model results some of the original model assumptions have been reconsidered in order to make the model more closely represent the physical reality of a vacuum arc.

Greenwood, A N; Childs, S E

1980-05-30T23:59:59.000Z

26

Understanding the cost of power interruptions to U.S. electricity consumers  

SciTech Connect

The massive electric power blackout in the northeastern United States and Canada on August 14-15, 2003 resulted in the U.S. electricity system being called ''antiquated'' and catalyzed discussions about modernizing the grid. Industry sources suggested that investments of $50 to $100 billion would be needed. This report seeks to quantify an important piece of information that has been missing from these discussions: how much do power interruptions and fluctuations in power quality (power-quality events) cost U.S. electricity consumers? Accurately estimating this cost will help assess the potential benefits of investments in improving the reliability of the grid. We develop a comprehensive end-use framework for assessing the cost to U.S. electricity consumers of power interruptions and power-quality events (referred to collectively as ''reliability events''). The framework expresses these costs as a function of: (1) Number of customers by type in a region; (2) Frequency and type of reliability events experienced annually (including both power interruptions and power-quality events) by these customers; (3) Cost of reliability events; and (4) Vulnerability of customers to these events. The framework is designed so that its cost estimate can be improved as additional data become available. Using our framework, we estimate that the national cost of power interruptions is about $80 billion annually, based on the best information available in the public domain. However, there are large gaps in and significant uncertainties about the information currently available. Notably, we were not able to develop an estimate of power-quality events. Sensitivity analysis of some of these uncertainties suggests that the total annual cost could range from less than $30 billion to more than $130 billion. Because of this large range and the enormous cost of the decisions that may be based on this estimate, we encourage policy makers, regulators, and industry to jointly under take the comparatively modest-cost improvements needed in the information used to estimate the cost of reliability events. Specific areas for improvement include: coordinated, nationwide collection of updated information on the cost of reliability events; consistent definition and recording of the duration and frequency of reliability events, including power-quality events; and improved information on the costs of and efforts by consumers to reduce their vulnerability to reliability events.

LaCommare, Kristina Hamachi; Eto, Joseph H.

2004-09-01T23:59:59.000Z

27

Understanding the cost of power interruptions to U.S. electricity consumers  

SciTech Connect

The massive electric power blackout in the northeastern United States and Canada on August 14-15, 2003 resulted in the U.S. electricity system being called ''antiquated'' and catalyzed discussions about modernizing the grid. Industry sources suggested that investments of $50 to $100 billion would be needed. This report seeks to quantify an important piece of information that has been missing from these discussions: how much do power interruptions and fluctuations in power quality (power-quality events) cost U.S. electricity consumers? Accurately estimating this cost will help assess the potential benefits of investments in improving the reliability of the grid. We develop a comprehensive end-use framework for assessing the cost to U.S. electricity consumers of power interruptions and power-quality events (referred to collectively as ''reliability events''). The framework expresses these costs as a function of: (1) Number of customers by type in a region; (2) Frequency and type of reliability events experienced annually (including both power interruptions and power-quality events) by these customers; (3) Cost of reliability events; and (4) Vulnerability of customers to these events. The framework is designed so that its cost estimate can be improved as additional data become available. Using our framework, we estimate that the national cost of power interruptions is about $80 billion annually, based on the best information available in the public domain. However, there are large gaps in and significant uncertainties about the information currently available. Notably, we were not able to develop an estimate of power-quality events. Sensitivity analysis of some of these uncertainties suggests that the total annual cost could range from less than $30 billion to more than $130 billion. Because of this large range and the enormous cost of the decisions that may be based on this estimate, we encourage policy makers, regulators, and industry to jointly under take the comparatively modest-cost improvements needed in the information used to estimate the cost of reliability events. Specific areas for improvement include: coordinated, nationwide collection of updated information on the cost of reliability events; consistent definition and recording of the duration and frequency of reliability events, including power-quality events; and improved information on the costs of and efforts by consumers to reduce their vulnerability to reliability events.

LaCommare, Kristina Hamachi; Eto, Joseph H.

2004-09-01T23:59:59.000Z

28

Impact of Interruptible Natural Gas Service on Northeast Heating Oil Demand  

Reports and Publications (EIA)

Assesses the extent of interruptible natural gas contracts and their effect on heating oil demand in the Northeast.

Elizabeth E. Campbell

2001-02-01T23:59:59.000Z

29

Interruption of Tidal Disruption Flares By Supermassive Black Hole Binaries  

E-Print Network (OSTI)

Supermassive black hole binaries (SMBHBs) are products of galaxy mergers, and are important in testing Lambda cold dark matter cosmology and locating gravitational-wave-radiation sources. A unique electromagnetic signature of SMBHBs in galactic nuclei is essential in identifying the binaries in observations from the IR band through optical to X-ray. Recently, the flares in optical, UV, and X-ray caused by supermassive black holes (SMBHs) tidally disrupting nearby stars have been successfully used to observationally probe single SMBHs in normal galaxies. In this Letter, we investigate the accretion of the gaseous debris of a tidally disrupted star by a SMBHB. Using both stability analysis of three-body systems and numerical scattering experiments, we show that the accretion of stellar debris gas, which initially decays with time $\\propto t^{-5/3}$, would stop at a time $T_{\\rm tr} \\simeq \\eta T_{\\rm b}$. Here, $\\eta \\sim0.25$ and $T_{\\rm b}$ is the orbital period of the SMBHB. After a period of interruption, the accretion recurs discretely at time $T_{\\rm r} \\simeq \\xi T_b$, where $\\xi \\sim 1$. Both $\\eta$ and $\\xi$ sensitively depend on the orbital parameters of the tidally disrupted star at the tidal radius and the orbit eccentricity of SMBHB. The interrupted accretion of the stellar debris gas gives rise to an interrupted tidal flare, which could be used to identify SMBHBs in non-active galaxies in the upcoming transient surveys.

F. K. Liu; S. Li; Xian Chen

2009-10-21T23:59:59.000Z

30

Parallel Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Parallel Parallel Index and Query for Large Scale Data Analysis Jerry Chou Kesheng Wu Oliver Rübel Mark Howison Ji Qiang Prabhat Brian Austin E. Wes Bethel Rob D. Ryne Arie Shoshani ABSTRACT Modern scientific datasets present numerous data manage- ment and analysis challenges. State-of-the-art index and query technologies are critical for facilitating interactive ex- ploration of large datasets, but numerous challenges remain in terms of designing a system for processing general scien- tific datasets. The system needs to be able to run on dis- tributed multi-core platforms, efficiently utilize underlying I/O infrastructure, and scale to massive datasets. We present FastQuery, a novel software framework that address these challenges. FastQuery utilizes a state-of-the- art index and query technology (FastBit) and is designed to process massive datasets on modern supercomputing

31

INDEXING MECHANISM  

DOE Patents (OSTI)

A device is presented for loading and unloading fuel elements containing material fissionable by neutrons of thermal energy. The device comprises a combination of mechanical features Including a base, a lever pivotally attached to the base, an Indexing plate on the base parallel to the plane of lever rotation and having a plurality of apertures, the apertures being disposed In rows, each aperture having a keyway, an Index pin movably disposed to the plane of lever rotation and having a plurality of apertures, the apertures being disposed in rows, each aperture having a keyway, an index pin movably disposed on the lever normal to the plane rotation, a key on the pin, a sleeve on the lever spaced from and parallel to the index pin, a pair of pulleys and a cable disposed between them, an open collar rotatably attached to the sleeve and linked to one of the pulleys, a pin extending from the collar, and a bearing movably mounted in the sleeve and having at least two longitudinal grooves in the outside surface.

Kock, L.J.

1959-09-22T23:59:59.000Z

32

ALPHABETICAL INDEX  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1 Page of 4 ALPHABETICAL INDEX Key Word Chapter Number 8(a) Direct Awards 12 Advance Understandings 7, 3 Affirmative Action 12 Allocable Costs 7 Allowable Costs 7 Anti Kickback Act 8 Aviation Management 11 Balanced Scorecard 5, 10 Bankruptcy 7 Bonds and Insurance 7, 3 Business Management Oversight Process 5 Buy American Act 8 Changes 8 Claims 8 Collective Bargaining 3 Commercial Bill of Lading 11 Conditional Payment of Fee, Profit Or Incentives 2, 5 Consultants 10 Contract Administration Plan 5 Key Word Chapter Number Contract Work Hours and Safety Standards Act 3 Contracting Officer Representative 5 Contractor Human Resources 3 Contractor Performance 5 Contractor Purchasing System 10

33

ALPHABETICAL INDEX | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

ALPHABETICAL INDEX ALPHABETICAL INDEX ALPHABETICAL INDEX More Documents & Publications INDEX Index2.doc State Awards for Energy Emergency Preparation...

34

Giving the Caller the Finger: Collaborative Responsibility for Cellphone Interruptions  

E-Print Network (OSTI)

We present a system in which a cell phone decides whether to ring by accepting votes from the others in a conversation with the called party. When a call comes in, the phone first determines who is in the conversation by using a decentralized network of autonomous body-worn sensor nodes. It then vibrates all participants' wireless finger rings. Although the alerted people do not know if it is their own cellphones that are about to interrupt, each of them has the possibility to veto the call anonymously by touching his/her finger ring. If no one vetoes, the phone rings. A user study showed significantly more vetoes during a collaborative group-focused setting than during a less group oriented setting. Our system is a component of a larger research project in context-aware computer-mediated call control.

Stefan Marti; Chris Schmandt

2005-01-01T23:59:59.000Z

35

Study of Shifting without Driving Force Interrupt for Double Electric Motor HEV  

Science Conference Proceedings (OSTI)

For traditional gearbox, the engine power is cut off while shifting, which will interrupt the power of power-train, make velocity down, affect the acceleration of up gear and lower the vehicle dynamic. A double electric motor hybrid electric vehicle ... Keywords: Double Electric Motor HEV, Shifting Without Driving Force Interrupt (SWDFI), Integrated Power-train

Wang Jiaxue; Wang Qingnian; Wang Weihua; Zeng Xiaohua; Li Chuan

2009-10-01T23:59:59.000Z

36

Interruptible Power Rates and Their Role in Utility Distributed Resources Programs  

Science Conference Proceedings (OSTI)

On-site generators installed primarily for use during power outages represent a significant distributed resource (DR). These generators can be readily incorporated into power markets through existing "interruptible" rate structures where customers agree to reduce the electrical demand (on the utility) for specified periods. The extent to which utilities have adopted and/or encouraged interruptible rates is the subject of this report.

2003-02-20T23:59:59.000Z

37

DLMF: Index W  

Science Conference Proceedings (OSTI)

... About the Project. NIST. IndexIndex VIndex Z. Index W. ?A?B?C?D?E?F?G? H?I?J?K?L?M?N?O?P?Q?R?S?T?U?V?W?Z?. Waring's problem: ...

2013-05-03T23:59:59.000Z

38

Understanding the Cost of Power Interruptions to U.S. Electricity Consumers  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Understanding the Cost of Power Interruptions to U.S. Electricity Understanding the Cost of Power Interruptions to U.S. Electricity Consumers Understanding the Cost of Power Interruptions to U.S. Electricity Consumers The massive electric power blackout in the northeastern United States and Canada on August 14-15, 2003 resulted in the U.S. electricity system being called "antiquated" and catalyzed discussions about modernizing the grid. Industry sources suggested that investments of $50 to $100 billion would be needed. This report seeks to quantify an important piece of information that has been missing from these discussions: how much do power interruptions and fluctuations in power quality (power-quality events) cost U.S. electricity consumers? Accurately estimating this cost will help assess the potential benefits of investments in improving the reliability

39

Apparatus for and method of testing an electrical ground fault circuit interrupt device  

DOE Patents (OSTI)

An apparatus for testing a ground fault circuit interrupt device includes a processor, an input device connected to the processor for receiving input from an operator, a storage media connected to the processor for storing test data, an output device connected to the processor for outputting information corresponding to the test data to the operator, and a calibrated variable load circuit connected between the processor and the ground fault circuit interrupt device. The ground fault circuit interrupt device is configured to trip a corresponding circuit breaker. The processor is configured to receive signals from the calibrated variable load circuit and to process the signals to determine a trip threshold current and/or a trip time. A method of testing the ground fault circuit interrupt device includes a first step of providing an identification for the ground fault circuit interrupt device. Test data is then recorded in accordance with the identification. By comparing test data from an initial test with test data from a subsequent test, a trend of performance for the ground fault circuit interrupt device is determined.

Andrews, Lowell B. (2181-13th Ave. SW., Largo, FL 34640)

1998-01-01T23:59:59.000Z

40

Apparatus for and method of testing an electrical ground fault circuit interrupt device  

DOE Patents (OSTI)

An apparatus for testing a ground fault circuit interrupt device includes a processor, an input device connected to the processor for receiving input from an operator, a storage media connected to the processor for storing test data, an output device connected to the processor for outputting information corresponding to the test data to the operator, and a calibrated variable load circuit connected between the processor and the ground fault circuit interrupt device. The ground fault circuit interrupt device is configured to trip a corresponding circuit breaker. The processor is configured to receive signals from the calibrated variable load circuit and to process the signals to determine a trip threshold current and/or a trip time. A method of testing the ground fault circuit interrupt device includes a first step of providing an identification for the ground fault circuit interrupt device. Test data is then recorded in accordance with the identification. By comparing test data from an initial test with test data from a subsequent test, a trend of performance for the ground fault circuit interrupt device is determined. 17 figs.

Andrews, L.B.

1998-08-18T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Nucleic acid indexing  

DOE Patents (OSTI)

A restriction site indexing method for selectively amplifying any fragment generated by a Class II restriction enzyme includes adaptors specific to fragment ends containing adaptor indexing sequences complementary to fragment indexing sequences near the termini of fragments generated by Class II enzyme cleavage. A method for combinatorial indexing facilitates amplification of restriction fragments whose sequence is not known.

Guilfoyle, Richard A. (Madison, WI); Guo, Zhen (Bellevue, WA)

1999-01-01T23:59:59.000Z

42

Nucleic acid indexing  

DOE Patents (OSTI)

A restriction site indexing method for selectively amplifying any fragment generated by a Class II restriction enzyme includes adaptors specific to fragment ends containing adaptor indexing sequences complementary to fragment indexing sequences near the termini of fragments generated by Class II enzyme cleavage. A method for combinatorial indexing facilitates amplification of restriction fragments whose sequence is not known.

Guilfoyle, Richard A. (Madison, WI); Guo, Zhen (Bellevue, WA)

2001-01-01T23:59:59.000Z

43

Effect of Radiotherapy Interruptions on Survival in Medicare Enrollees With Local and Regional Head-and-Neck Cancer  

Science Conference Proceedings (OSTI)

Purpose: To investigate whether interruptions in radiotherapy are associated with decreased survival in a population-based sample of head-and-neck cancer patients. Methods and Materials: Using the Surveillance, Epidemiology, and End Results-Medicare linked database we identified Medicare beneficiaries aged 66 years and older diagnosed with local-regional head-and-neck cancer during the period 1997-2003. We examined claims records of 3864 patients completing radiotherapy for the presence of one or more 5-30-day interruption(s) in therapy. We then performed Cox regression analyses to estimate the association between therapy interruptions and survival. Results: Patients with laryngeal tumors who experienced an interruption in radiotherapy had a 68% (95% confidence interval, 41-200%) increased risk of death, compared with patients with no interruptions. Patients with nasal cavity, nasopharynx, oral, salivary gland, and sinus tumors had similar associations between interruptions and increased risk of death, but these did not reach statistical significance because of small sample sizes. Conclusions: Treatment interruptions seem to influence survival time among patients with laryngeal tumors completing a full course of radiotherapy. At all head-and-neck sites, the association between interruptions and survival is sensitive to confounding by stage and other treatments. Further research is needed to develop methods to identify patients most susceptible to interruption-induced mortality.

Fesinmeyer, Megan Dann [Fred Hutchinson Cancer Research Center, Seattle, WA (United States); Mehta, Vivek [Swedish Medical Center, Seattle, WA (United States); Blough, David [Fred Hutchinson Cancer Research Center, Seattle, WA (United States); School of Pharmacy, University of Washington, Seattle, WA (United States); Tock, Lauri [Fred Hutchinson Cancer Research Center, Seattle, WA (United States); Ramsey, Scott D., E-mail: sramsey@fhcrc.or [Fred Hutchinson Cancer Research Center, Seattle, WA (United States); School of Pharmacy, University of Washington, Seattle, WA (United States)

2010-11-01T23:59:59.000Z

44

How indexes have changed  

Science Conference Proceedings (OSTI)

The accompanying table compares refinery construction and operating wages monthly for the years 1992 and 1993. The Nelson-Farrar refinery construction cost indexes are inflation indexes, while the operating indexes incorporate a productivity which shows improvement with experience and the increasing size of operations. The refinery construction wage indexes in the table show a steady advance over the 2-year period. Common labor indexes moved up faster than skilled indexes. Refinery operating wages showed a steady increase, while productivities averaged higher near the end of the period. Net results is that labor costs remained steady for the period.

Farrar, G.L.

1994-04-04T23:59:59.000Z

45

Thermal fatigue due to beam interruptions for an ALMR-type ATW  

SciTech Connect

Accelerator-driven subcritical reactors have been proposed for tasks such as accelerator transmutation of waste (ATW). In such a device, long-lived radioactive fission products and transuranic elements from spent fuel would be converted into short-lived radioactive isotopes and stable isotopes. One concern about such devices is that current proton accelerators typically experience beam interruptions many times per day. The beam interruptions last from seconds to hours. A beam interruption leads to a temperature transient similar to, but faster than, that from a reactor scram. These temperature transients cause thermal fatigue that can eventually lead to structural failures in various reactor components. The objective of the work reported here was to determine the design implications of this thermal fatigue.

Dunn, F.E.

2000-07-01T23:59:59.000Z

46

Electric circuit breaker comprising a plurality of vacuum interrupters simultaneously operated by a common operator  

DOE Patents (OSTI)

This circuit breaker comprises a plurality of a vacuum-type circuit interrupters, each having a movable contact rod. A common operating device for the interrupters comprises a linearly-movable operating member. The interrupters are mounted at one side of the operating member with their movable contact rods extending in a direction generally toward the operating member. Means is provided for mechanically coupling the operating member to the contact rods, and this means comprises a plurality of insulating operating rods, each connected at one end to the operating member and at its opposite end to one of the movable contact rods. The operating rods are of substantially equal length and have longitudinal axes that converge and intersect at substantially a common point.

Barkan, Philip (Stanford, CA); Imam, Imdad (Secane, PA)

1980-01-01T23:59:59.000Z

47

Electric Power Interruption Cost Estimates for Individual Industries, Sectors, and the U.S. Economy  

E-Print Network (OSTI)

Distributed energy resources (DER) have been promoted as the least-cost approach to meeting steadily increasing energy demand. However, it is unclear whether DER deployment can maintain or improve the electric power supply reliability and quality currently available to consumers. This report address two key factors relating to this question: 1) characteristics of existing power supply reliability, and 2) costs resulting from supply interruptions characteristic of the existing power grid. Interruption cost data collected by the University of Saskatchewan was used in conjunction with data generated by the Census Bureau’s Annual Survey of Manufacturers (Census Bureau, 1995), along with industry shares of gross domestic product (Bureau of Economic Analysis, 1995a) and gross output (Bureau of Economic Analysis, 1995b) to derive interruption cost estimates for U.S. industries at the 2-digit Standard Industrial Classification (SIC) level, as well as for broader sectors and the U.S. economy. Interruption cost estimates are presented as a function of outage duration (e.g., 20 minutes, 1-hour, 3-hour), and are normalized in terms of dollars per peak kW.

Balducci, P. J.; Roop, J. M.; Schienbein, L. A.; DeSteese, J. G.; Weimar, M. R.

2003-05-01T23:59:59.000Z

48

Unusual defects in silicon carbide thin films grown by multiple or interrupted growth technique  

Science Conference Proceedings (OSTI)

This paper discusses the growth and characterization of 3C-SiC films on Si (100) and (111) substrates using hexamethyldisilane (HMDS) as the source material in a resistance-heated furnace as well as the formation and microstructure of various types of ... Keywords: 3C-SiC, 3C-SiC nanowires, CVD, Defects, HMDS, Interrupted growth, Voids

A. Gupta; C. Jacob

2006-01-01T23:59:59.000Z

49

JOM Subject Index  

Science Conference Proceedings (OSTI)

Feb 8, 2008 ... Polymers is well indexed and each chapter ends with a glossary, summary, exercises, and suggestions for further reading. One feature that ...

50

Botanischer Garten Index Seminum  

E-Print Network (OSTI)

Botanischer Garten Index Seminum Samenkatalog 2012 Samenkatalog des Botanischen Gartens und des Parco Botanico del Canton Ticino, Isole di Brissago Universität Zürich Botanischer Garten Gartens und des Parco Botanico del Canton Ticino, Isole di Brissago #12;III INDEX SEMINUM 2012 Bedingungen

Zürich, Universität

51

Gradient index retroreflector  

DOE Patents (OSTI)

A retroreflector is formed of a graded index lens and a reflective coating at one end. The lens has a length of an odd multiple of a quarter period thereof. Hexagonally shaped graded index lenses may be closely packed in an array to form a retroreflecting surface.

Layne, C.B.

1986-03-06T23:59:59.000Z

52

Cost of Power Interruptions to Electricity Consumers in the UnitedStates (U.S.)  

SciTech Connect

The massive electric power blackout in the northeastern U.S.and Canada on August 14-15, 2003 catalyzed discussions about modernizingthe U.S. electricity grid. Industry sources suggested that investments of$50 to $100 billion would be needed. This work seeks to better understandan important piece of information that has been missing from thesediscussions: What do power interruptions and fluctuations in powerquality (power-quality events) cost electricity consumers? We developed abottom-up approach for assessing the cost to U.S. electricity consumersof power interruptions and power-quality events (referred to collectivelyas "reliability events"). The approach can be used to help assess thepotential benefits of investments in improving the reliability of thegrid. We developed a new estimate based on publicly availableinformation, and assessed how uncertainties in these data affect thisestimate using sensitivity analysis.

Hamachi LaCommare, Kristina; Eto, Joseph H.

2006-02-16T23:59:59.000Z

53

An Evaluation of Summer Discomfort in the United State Using a Relative Climatological Index  

Science Conference Proceedings (OSTI)

A relative climatological index is developed to evaluate interregional variations in human discomfort and the impacts of weather on a variety of socioeconomic parameters. The “weather stress index” is designed to assess the frequency and ...

Laurence S. Kalkstein; Kathleen M. Valimont

1986-07-01T23:59:59.000Z

54

JOM Subject Index  

Science Conference Proceedings (OSTI)

Mar 10, 2010 ... Modeling is well indexed and has a glossary and list of symbols which is needed in such an equation rich book. Modelling treats well the topics ...

55

Tests show ability of vacuum circuit breaker to interrupt fast transient recovery voltage rates of rise of transformer secondary faults  

Science Conference Proceedings (OSTI)

A vacuum circuit breaker demonstrated its ability to interrupt short circuits with faster than normal rates of rise of transient recovery voltage (TRV) at levels greater than those produced by most transformer secondary faults. Two recent exploratory test programs evaluated the interrupting ability of a 15kV vacuum circuit breaker containing interrupters of the rotating arc type with contacts made from a chromium-copper powder metal mixture. The interrupting conditions covered a wide range of currents from 10% to 130% of the 28kA rated short circuit current of the tested circuit breaker and a wide range of TRV rates of rise, including the relatively slow rate of rise, normally used in testing and found in most indoor circuit breaker applications, two faster rates of rise equaling and exceeding those found in a known power plant transformer secondary protection application, and the fastest rates of rise possible in the laboratory which exceed the requirements of most transformer secondary faults. These tests showed that the interrupting performance of the tested vacuum circuit breaker was unaffected by the TRV rate of rise to the fastest rates available in the test lab. Such a vacuum circuit breaker can therefore be used without TRV modifying capacitors to slow down the rate of rise provided by the power system. This ability is particularly important if analysis shows that the expected TRV from a transformer secondary fault has a fast rate of rise beyond the recognized ability of an older circuit breaker to acceptably interrupt.

Smith, R.K. [Westinghouse Science and Technology Center, Pittsburgh, PA (United States)

1995-01-01T23:59:59.000Z

56

ARM - Site Index  

NLE Websites -- All DOE Office Websites (Extended Search)

govSite Index govSite Index Expand | Collapse Site Index Videos Image Library About ARM About ARM (home) ARM and the Recovery Act ARM and the Recovery Act (home) ARM Recovery Act Project FAQs Recovery Act Instruments ARM Climate Research Facility Contributions to International Polar Year (IPY) ARM Climate Research Facility Contributions to International Polar Year (IPY) (home) ARM Education and Outreach Efforts Support IPY Research Support for International Polar Year (IPY) ARM Organization ARM Organization (home) Laboratory Partners ARM Safety Policy ARM Science Board ARM Science Board (home) Board Business Become a User Comments and Questions Contacts Contacts (home) ARM Engineering and Operations Contacts Facility Statistics Facility Statistics (home) Historical Field Campaign Statistics

57

Gene Frequency  

NLE Websites -- All DOE Office Websites (Extended Search)

Gene Frequency Gene Frequency Name: donna Location: N/A Country: N/A Date: N/A Question: If six fingers is a dominant human trait why do we have only five? Replies: This is simple. There are just not many genes in the human population for six fingers. Steve Sample Look in any high school biology book for what is known as Hardy-Weinberg equilibrium. These two scientists (separately) said that gene frequencies do not change much unless something in the environment selects them over other genes. In other words, unless 6 fingers somehow becomes an advantage, and five-fingered people have less of an advantage, the frequency of six fingered people in the population will not necessarily increase. This is the same reason that recessive traits don't disappear from the population. Also, six fingers is not considered attractive and they may not get as many mates. Also, more people are born with six fingers than you might imagine but just have them amputated shortly after birth.

58

Program Highlights Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Program Highlights Index Program Highlights Index Disposal of Greater-than-Class C Low-Level Radioactive Waste Ecological Risk Assessment of Chemically and Radiologically Contaminated Federal Sites Energy Zone Planning Tool for the Eastern United States Environmental Site Characterization and Remediation at Former Grain Storage Sites Evaluation of Risks of Aquatic Nuisance Species Transfer via the Chicago Area Waterway System Formerly Utilized Sites Remedial Action Program (FUSRAP) Glen Canyon Dam Long-Term Experimental and Management Plan EIS Highly Enriched Uranium Transparency Program Management of Naturally Occurring Radioactive Material (NORM) Generated by the Petroleum Industry Mobile Climate Observatory for Atmospheric Aerosols in India Mobile Climate Observatory on the Pacific

59

Electric Power Interruption Cost Estimates for Individual Industries, Sectors, and U.S. Economy  

SciTech Connect

During the last 20 years, utilities and researchers have begun to understand the value in the collection and analysis of interruption cost data. The continued investigation of the monetary impact of power outages will facilitate the advancement of the analytical methods used to measure the costs and benefits from the perspective of the energy consumer. More in-depth analysis may be warranted because of the privatization and deregulation of power utilities, price instability in certain regions of the U.S. and the continued evolution of alternative auxiliary power systems.

Balducci, Patrick J.; Roop, Joseph M.; Schienbein, Lawrence A.; DeSteese, John G.; Weimar, Mark R.

2002-02-27T23:59:59.000Z

60

Fiber optic refractive index monitor  

DOE Patents (OSTI)

A sensor for measuring the change in refractive index of a liquid uses the lowest critical angle of a normal fiber optic to achieve sensitivity when the index of the liquid is significantly less than the index of the fiber core. Another embodiment uses a liquid filled core to ensure that its index is approximately the same as the liquid being measured.

Weiss, Jonathan David (Albuquerque, NM)

2002-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

BNL Website Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Site Index Site Index A B C D E F G H I J L M N O P Q R S T U V W A About Brookhaven Accelerator-based Science Accelerator Test Facility Addiction Research Adopt-a-Platoon AGS Booster Alternating Gradient Synchrotron Association of Students and Post-docs (ASAP) ATLAS Awards B Badging Office Basic Energy Sciences Directorate Bike/Bicycles Biofuel Research Biosciences Department BRAHMS Brookhaven Advocacy Council Brookhaven Council Brookhaven Employees Recreation Association (BERA) Brookhaven Graphite Research Reactor (environmental cleanup) Brookhaven Graphite Research Reactor (history) Brookhaven Lectures Brookhaven Medical Research Reactor Brookhaven Retired Employees' Association (BREA) Brookhaven Science Associates Brookhaven This Week (Weekly News Summary) Brookhaven Women in Science

62

PNNL: Site index  

NLE Websites -- All DOE Office Websites (Extended Search)

Site Index Site Index # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # # 3-D Body Holographic Scanner # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Alerts - PNNL Staff Information Applied Geology and Geochemistry Applied Process Engineering Laboratory Asymmetric Resilient Cybersecurity (External website) Atmospheric Radiation Measurement (ARM) Program Atmospheric Sciences & Global Change Division Available Technologies Awards Awards - Science and Engineering External Recognition (SEER) Program # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z B Battelle Corporate Contributions Battelle Memorial Institute Battelle Offices (addresses) Benefits (Insurance Forms, Savings Plan) Bio-Based Product Research at PNNL Biological & Environmental Research-Proteomics

63

Solar Reflectance Index Calculator  

NLE Websites -- All DOE Office Websites (Extended Search)

Reflectance Index Calculator Reflectance Index Calculator ASTM Designation: E 1980-01 Enter A State: Select a state Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Iowa Idaho Illinois Indiana Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana North Carolina North Dakota Nebraska Nevada New Hampshire New Jersey New Mexico New York Ohio Oklahoma Oregon Pennsylvania Pacific Islands Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Wisconsin West Virginia Wyoming Canadian Cities Enter A City: Select a city Wind Speed (mph) Wind Speed (m/s) Please input both the SR and the TE and the convection coeficient and surface temperature will be calculated

64

BNL Newsroom | Tags Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Tag IndexMedia & Communications Office Tag IndexMedia & Communications Office Newsroom Photos Image Library Historic Images Photo Permissions Videos Fact Sheets Lab History News Categories Contacts Currently Showing News Release Tags Show Tags for News Releases Features Videos What is this? The tag cloud shows the relative proportion of tags assigned to each news release. Click on any tag to see news releases associated with that tag. AAAS (8) accelerators (7) addiction (43) AGS (1) ARRA (12) ATLAS (22) award (100) battelle (8) BERA (1) biochemistry (14) biology (63) biosciences (13) blueprint (2) BNL lecture (1) BOSS (3) bridge contest (5) BSA (26) BSA distinguished lecture (13) BWIS (23) BWIS lecture (21) cancer research (13) catalysis (22) celebrations (4) CES (1) CFN (89) chemistry (61) commercial (43) community (21)

65

INDEX | Open Energy Information  

Open Energy Info (EERE)

INDEX INDEX Jump to: navigation, search Tool Summary Name: INDEX Agency/Company /Organization: Criterion Planners Phase: Determine Baseline, "Evaluate Options and Determine Feasibility" is not in the list of possible values (Bring the Right People Together, Create a Vision, Determine Baseline, Evaluate Options, Develop Goals, Prepare a Plan, Get Feedback, Develop Finance and Implement Projects, Create Early Successes, Evaluate Effectiveness and Revise as Needed) for this property., "Perpare a Plan" is not in the list of possible values (Bring the Right People Together, Create a Vision, Determine Baseline, Evaluate Options, Develop Goals, Prepare a Plan, Get Feedback, Develop Finance and Implement Projects, Create Early Successes, Evaluate Effectiveness and Revise as Needed) for this property., "Implement the Plan" is not in the list of possible values (Bring the Right People Together, Create a Vision, Determine Baseline, Evaluate Options, Develop Goals, Prepare a Plan, Get Feedback, Develop Finance and Implement Projects, Create Early Successes, Evaluate Effectiveness and Revise as Needed) for this property., "Evaluate Effectiveness and Revise" is not in the list of possible values (Bring the Right People Together, Create a Vision, Determine Baseline, Evaluate Options, Develop Goals, Prepare a Plan, Get Feedback, Develop Finance and Implement Projects, Create Early Successes, Evaluate Effectiveness and Revise as Needed) for this property.

66

Indexing uncertain categorical data  

E-Print Network (OSTI)

Abstract the cleansed value directly is highly desirable. Data cleansing applications often result in uncertainty in Uncertainty in categorical data is commonplace inmany the "cleaned " value of an attribute. Many cleansing tools applications, includingdata cleaning, database integration, provide alternative corrections with associated likelihood. and biological annotation. In such domains, the correct For example, data collected from sensors is notoriously imvalue of an attribute is often unknown, but may be se- precise. As part ofan ongoing project at Purdue University, lectedfrom a reasonable number ofalternatives. Current the movement of nurses is being tracked in order to study database management systems do notprovide a convenient theirbehavior and effectiveness ofcurrent practices. Nurses meansfor representing or manipulating this type ofuncer- carry RFID tags as they move about a hospital. Numerous tainty. In this paper we extend traditional systems to ex- readers located around the building report the presence of plicitly handle uncertainty in data values. Wepropose two tags in their vicinity. The collected data is stored centrally index structuresfor efficiently searching uncertain categor- in the form "Nurse 10 inRoom 5 at 10:05 am. " Each nurse ical data, one basedon the R-tree andanother basedon an carries multiple tags. The variability in the detection range inverted index structure. Using these structures, weprovide of readers and the presence of interfering objects makes it a detailed description ofthe probabilistic equality queries impossible to position nurses accurately. Thus the applithey support. Experimental results using real andsynthetic cation may not be able to identify with certainty a single datasets demonstrate how these index structures can effec- location for the nurse at all times. A similar application is tively improve theperformance ofqueries through the use discussed in [18]. ofinternalprobabilistic information. In the context of automatic data integration, deep web data in the form of dynamic HTML pages can be used to generate relational data [23]. This is a challenging problem

Sarvjeet Singh; Chris Mayfield; Sunil Prabhakar; Rahul Shah; Susanne Hambrusch

2007-01-01T23:59:59.000Z

67

Argonne Transportation Site Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Student Competitions Technology Analysis Transportation Research and Analysis Computing Center Working With Argonne Contact TTRDC Site Index General Information About TTRDC Media Center Current News News Archive Photo Archive Transportation Links Awards Contact Us Interesting Links Working with Argonne Research Resources Experts Batteries Engines & Fuels Fuel Cells Management Materials Systems Assessment Technology Analysis Tribology Vehicle Recycling Vehicle Systems Facilities Advanced Powertrain Research Facility Powertrain Test Cell 4-Wheel Drive Chassis Dynamometer Battery Test Facility Engine Research Facility Fuel Cell Test Facility Tribology Laboratory Tribology Laboratory Photo Tour Vehicle Recycling Partnership Plant Publications Searchable Database: patents, technical papers, presentations

68

Understanding the Cost of Power Interruptions to U.S. Electricity Consumers  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

5718 5718 Understanding the Cost of Power Interruptions to U.S. Electricity Consumers Kristina Hamachi LaCommare and Joseph H. Eto Energy Analysis Department Ernest Orlando Lawrence Berkeley National Laboratory University of California Berkeley Berkeley, California 94720 Environmental Energy Technologies Division September 2004 http://eetd.lbl.gov/ea/EMP/EMP-pubs.html This work described in this paper was funded by the Office of Electric Transmission and Distribution, Energy Storage Program and by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Planning, Budget, and Analysis of the U.S. Department of Energy under Contract No. DE-AC03-76F00098. ERNEST ORLANDO LAWRENCE BERKELEY NATIONAL LABORATORY

69

Estimates of thermal fatigue due to beam interruptions for an ALMR-type ATW  

SciTech Connect

Thermal fatigue due to beam interruptions has been investigated in a sodium cooled ATW using the Advanced Liquid Metal mod B design as a basis for the subcritical source driven reactor. A k{sub eff} of 0.975 was used for the reactor. Temperature response in the primary coolant system was calculated, using the SASSYS- 1 code, for a drop in beam current from full power to zero in 1 microsecond.. Temperature differences were used to calculate thermal stresses. Fatigue curves from the American Society of Mechanical Engineers Boiler and Pressure Vessel Code were used to determine the number of cycles various components should be designed for, based on these thermal stresses.

Dunn, F. E.; Wade, D. C.

1999-11-12T23:59:59.000Z

70

Index Sets and Vectorization  

SciTech Connect

Vectorization is data parallelism (SIMD, SIMT, etc.) - extension of ISA enabling the same instruction to be performed on multiple data items simultaeously. Many/most CPUs support vectorization in some form. Vectorization is difficult to enable, but can yield large efficiency gains. Extra programmer effort is required because: (1) not all algorithms can be vectorized (regular algorithm structure and fine-grain parallelism must be used); (2) most CPUs have data alignment restrictions for load/store operations (obey or risk incorrect code); (3) special directives are often needed to enable vectorization; and (4) vector instructions are architecture-specific. Vectorization is the best way to optimize for power and performance due to reduced clock cycles. When data is organized properly, a vector load instruction (i.e. movaps) can replace 'normal' load instructions (i.e. movsd). Vector operations can potentially have a smaller footprint in the instruction cache when fewer instructions need to be executed. Hybrid index sets insulate users from architecture specific details. We have applied hybrid index sets to achieve optimal vectorization. We can extend this concept to handle other programming models.

Keasler, J A

2012-03-27T23:59:59.000Z

71

Anatomy of a Rainfall Index  

Science Conference Proceedings (OSTI)

One particular index has been commonly used to monitor precipitation in drought-prone regions such as the West African Sahel and the Brazilian Northeast. The construction of this index involves standardizing the annual total rainfall for an ...

Richard W. Katz; Michael H. Glantz

1986-04-01T23:59:59.000Z

72

DOE Patents Database - Site Index  

Office of Scientific and Technical Information (OSTI)

Site Index Home Advanced Search About Patent News Recent Inventions Technology Transfer Resources DOE Innovations FAQ Help RSS Contact Us...

73

Index of /2006_SNAPCollab  

NLE Websites -- All DOE Office Websites (Extended Search)

SNAPCollab SNAPCollab Icon Name Last modified Size Description [DIR] Parent Directory - [ ] Agenda.pdf 07-Sep-2007 17:56 9.7K [ ] Lab-UCB-map.pdf 07-Sep-2007 17:56 479K [TXT] RegistrationList.htm 07-Sep-2007 17:56 26K [ ] RegistrationList.pdf 07-Sep-2007 17:56 48K [ ] collab_meeting-8-1_c..> 07-Sep-2007 17:56 121K [IMG] collab_meeting-8.png 07-Sep-2007 17:56 180K [IMG] collab_meeting-9.png 07-Sep-2007 17:56 33K [DIR] hotel_files/ 07-Sep-2007 17:56 - [TXT] hotels.htm 07-Sep-2007 17:56 8.6K [ ] hotels.pdf 07-Sep-2007 17:56 1.2M [TXT] index.htm 07-Sep-2007 17:56 18K

74

prairie restoration index  

NLE Websites -- All DOE Office Websites (Extended Search)

Purpose Purpose This is the first section of a "How to" guide designed for those individuals interested in restoring an area of land back to native prairie. To better facilitate your search for specific information, select one or all of the main topics associated with prairie parcel restoration listed below. Index History/Introduction of Prairie Restoration Selecting a Site Starting/Planning Seedbed Preparation. Seed (Amount, Acquiring and Preparation) Planting Watering General Identification (Grasses, Forbs, Flowers, Keeping Track) Burning - Enriching Reference Materials, Burning Permit and Seed Sources Information Identification Keys - Grasses and Forbs Illustrated Guide to Native Prairie Species Watch List for Native Prairie Plants This report was written by Lawrence Cwik as part of his participation in

75

Solar index generation and delivery  

DOE Green Energy (OSTI)

The Solar Index, or, more completely defined as the Service Hot Water Solar Index, was conceptualized during the spring of 1978. The purpose was to enhance public awareness to solar energy usability. Basically, the Solar Index represents the percentage of energy that solar would provide in order to heat an 80 gallon service hot water load for a given location and day. The Index is computed by utilizing SOLCOST, a computer program, which also has applications to space heating, cooling, and heat pump systems and which supplies economic analyses for such solar energy systems. The Index is generated for approximately 68 geographic locations in the country on a daily basis. The definition of the Index, how the project came to be, what it is at the present time and a plan for the future are described. Also presented are the models used for the generation of the Index, a discussion of the primary tool of implementation (the SOLCOST program) and future efforts.

Lantz, L.J.

1980-01-01T23:59:59.000Z

76

Indexing methods for approximate dictionary searching: Comparative analysis  

Science Conference Proceedings (OSTI)

The primary goal of this article is to survey state-of-the-art indexing methods for approximate dictionary searching. To improve understanding of the field, we introduce a taxonomy that classifies all methods into direct methods and sequence-based filtering ... Keywords: k-errata tree, q-gram, q-sample, Damerau-Levenshtein distance, Levenshtein distance, NR-grep, agrep, approximate searching, frequency distance, frequency vector trie, metric trees, neighborhood generation, trie

Leonid Boytsov

2011-05-01T23:59:59.000Z

77

Cortical Processing of Frequency Modulated Sweeps in a Mouse Model of Presbycusis  

E-Print Network (OSTI)

79 Figure 3.7 RTI is influenced by sweepHigh frequency inhibition RTI: Rate Tuning Index SP: Slow-the rate tuning index (RTI) was calculated for each neuron

Trujillo, Michael

2012-01-01T23:59:59.000Z

78

Applied Parallel Metadata Indexing  

SciTech Connect

The GPFS Archive is parallel archive is a parallel archive used by hundreds of users in the Turquoise collaboration network. It houses 4+ petabytes of data in more than 170 million files. Currently, users must navigate the file system to retrieve their data, requiring them to remember file paths and names. A better solution might allow users to tag data with meaningful labels and searach the archive using standard and user-defined metadata, while maintaining security. last summer, I developed the backend to a tool that adheres to these design goals. The backend works by importing GPFS metadata into a MongoDB cluster, which is then indexed on each attribute. This summer, the author implemented security and developed the user interfae for the search tool. To meet security requirements, each database table is associated with a single user, which only stores records that the user may read, and requires a set of credentials to access. The interface to the search tool is implemented using FUSE (Filesystem in USErspace). FUSE is an intermediate layer that intercepts file system calls and allows the developer to redefine how those calls behave. In the case of this tool, FUSE interfaces with MongoDB to issue queries and populate output. A FUSE implementation is desirable because it allows users to interact with the search tool using commands they are already familiar with. These security and interface additions are essential for a usable product.

Jacobi, Michael R [Los Alamos National Laboratory

2012-08-01T23:59:59.000Z

79

Time and Frequency Portal  

Science Conference Proceedings (OSTI)

NIST Home > Time and Frequency Portal. Time and Frequency Portal. Programs and Projects. CODATA values of the fundamental constants ...

2013-06-27T23:59:59.000Z

80

XI. Index of Primary Contacts  

NLE Websites -- All DOE Office Websites (Extended Search)

XI Index of Primary Contacts XI Index of Primary Contacts A Aaron, Tim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Aceves, Salvador M. . . . . . . . . . . . . . . . . . . . . . .186 Adams, Stephen. . . . . . . . . . . . . . . . . . . . . . . . . .713 Adzic, Radoslav. . . . . . . . . . . . . . . . . . . . . . . . . .384 Ahluwalia, Rajesh K.. . . . . . . . . . . . . . . . . . . . . .511 Ahmed, S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .451 Ahn, Channing. . . . . . . . . . . . . . . . . . . . . . .262, 267 Alam, Mohammad S.. . . . . . . . . . . . . . . . . . . . . .509 Andersen, Cindi. . . . . . . . . . . . . . . . . . . . . . . . . .811 Anton, Donald L.. . . . . . . . . . . . . . . . . . . . .230, 243 Arduengo III, Anthony J. . . . . . . . . . . . . . . . . . .274

Note: This page contains sample records for the topic "interruption frequency index" 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

Lessons Learned Quarterly Report Cumulative Index | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

& Requirements Lessons Learned Lessons Learned Quarterly Report Cumulative Index Lessons Learned Quarterly Report Cumulative Index Guidance Requirements Lessons...

82

The whistler mode refractive index as a function of gyrofrequency  

SciTech Connect

The refractive index for a constant-frequency whistler mode wave in an electron-proton plasma is considered as a function of position, through the local gyrofrequencies {Omega}{sub e,i}. The full cold plasma dispersion relation is used. The wave frequency can take any value up to the smaller of {Omega}{sub e} and the plasma frequency {omega}{sub pe}, but {omega}{sub pe} is allowed to take any fixed value, as is the wavenormal angle. It is rigorously established that the refractive index is a decreasing function of {Omega}{sub e}. One application of this is to finding locations of Landau and cyclotron resonances, to evaluate the effects of whistler mode waves on radiation belt electrons.

Albert, J. M. [Air Force Research Laboratory/RVBX, Kirtland AFB, New Mexico 87117 (United States)

2011-08-15T23:59:59.000Z

83

Solar Index generation and delivery  

DOE Green Energy (OSTI)

The Solar Index, more completely defined as the Service Hot Water Solar Index, was conceptualized during the spring of 1978 with direction from a US Government interoffice agency committee which was headed by the Department of Energy. The purpose was to enhance public awareness of solar energy usability. Basically, the Solar Index represents the percentage of energy that solar would provide in order to heat an 80-gallon service hot water load for a given location and day. The Index is computed by utilizing SOLCOST, a computer program, which in addition to solar service hot water systems, has the ability to estimate thermal performance of space heating, cooling, and heat pump systems. It also supplies economic analyses for these solar energy systems. The Index is generated daily for most large metropolitan locations in the country. The definition of the Index, how the project came to be, what it is at the present time, and a plan for the future are presented. Also presented are the models used for the generation of the Index, a discussion of the primary tool of implementation (the SOLCOST Program), and future efforts.

Lantz, L.J.

1980-01-01T23:59:59.000Z

84

Prediction of leaf area index in almonds by vegetation indexes  

Science Conference Proceedings (OSTI)

Three levels of scale for determining leaf area index (LAI) were explored within an almond orchard of alternating rows of Nonpareil and Monterey varieties using hemispherical photography and mule lightbar (MLB) at ground level up to airborne and satellite ... Keywords: Canopy light interception, EVI, GMI, LADP, LAI, Leaf area index, MASTER, MCARI, MLB, Multispectral indices, NDVI, NDWI, RMSE, SR, VI, Vegetation indices, fPAR

Jose L. Zarate-Valdez; Michael L. Whiting; Bruce D. Lampinen; Samuel Metcalf; Susan L. Ustin; Patrick H. Brown

2012-07-01T23:59:59.000Z

85

Joint Spatiotemporal Variability of Global Sea Surface Temperatures and Global Palmer Drought Severity Index Values  

Science Conference Proceedings (OSTI)

Dominant modes of individual and joint variability in global sea surface temperatures (SST) and global Palmer drought severity index (PDSI) values for the twentieth century are identified through a multivariate frequency domain singular value ...

Somkiat Apipattanavis; Gregory J. McCabe; Balaji Rajagopalan; Subhrendu Gangopadhyay

2009-12-01T23:59:59.000Z

86

Multiseason Lead Forecast of the North Atlantic Power Dissipation Index (PDI) and Accumulated Cyclone Energy (ACE)  

Science Conference Proceedings (OSTI)

By considering the intensity, duration, and frequency of tropical cyclones, the power dissipation index (PDI) and accumulated cyclone energy (ACE) are concise metrics routinely used to assess tropical storm activity. This study focuses on the ...

Gabriele Villarini; Gabriel A. Vecchi

2013-06-01T23:59:59.000Z

87

Definition: Frequency Response | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Frequency Response Jump to: navigation, search Dictionary.png Frequency Response (Equipment) The ability of a system or elements of the system to react or respond to a change in system frequency. (System) The sum of the change in demand, plus the change in generation, divided by the change in frequency, expressed in megawatts per 0.1 Hertz (MW/0.1 Hz).[1] View on Wikipedia Wikipedia Definition Related Terms system, smart grid References ↑ Glossary of Terms Used in Reliability Standards An i LikeLike UnlikeLike You like this.Sign Up to see what your friends like. nline Glossary Definition Retrieved from "http://en.openei.org/w/index.php?title=Definition:Frequency_Response&oldid=502580"

88

Indexes of Consumption and Production  

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

Figure on manufacturing production indexes and purchased energy consumption Figure on manufacturing production indexes and purchased energy consumption Source: Energy Information Administration and Federal Reserve Board. History of Shipments This chart presents indices of 14 years (1980-1994) of historical data of manufacturing production indexes and Purchased (Offsite-Produced) Energy consumption, using 1992 as the base year (1992 = 100). Indexing both energy consumption and production best illustrates the trends in output and consumption. Taken separately, these two indices track the relative growth rates within the specified industry. Taken together, they reveal trends in energy efficiency. For example, a steady increase in output, coupled with a decline in energy consumption, represents energy efficiency gains. Likewise, steadily rising energy consumption with a corresponding decline in output illustrates energy efficiency losses.

89

Site Index | ornl.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Index Index SHARE ORNL from A to Z User Fa A B C D E F G H I J K L M N O P Q R S T U V W X Y Z This alphabetical index includes links to commonly requested information resources on ORNL's public webservers. Use the alphabetical links below to navigate quickly through the index. If you can't find what you need here, try the Search page. A Accounts Payable Acrobat Reader Software Agricola (agriculture database) Air Quality Conditions and Forecast Airport - Knoxville American Institute of Chemical Engineers American Museum of Science and Energy (AMSE) AmeriFlux Network Annual Review Series ASER - Oak Ridge Reservation Annual Site Environmental Report Ask a Librarian! - email ORNL Library Atmospheric Radiation Measurement (ARM) Archive Atomic Trades and Labor Council Automated External Defibrillator Locations

90

Project Definition Rating Index (PDRI)  

Energy.gov (U.S. Department of Energy (DOE))

The Office of Environmental Management (EM) Project Definition Rating Index (EM-PDRI) is a modification of a commercially developed planning tool that has been tested by an EM team specifically for...

91

Winter_2009_Index.indd  

NLE Websites -- All DOE Office Websites (Extended Search)

OF FOSSIL ENERGY, U.S. DEPARTMENT OF ENERGY * ISSUE NO. 82, WINTER 2009 A NEWSLETTER ABOUT INNOVATIVE TECHNOLOGIES FOR COAL UTILIZATION ANNUAL INDEX OF ARTICLES Clean Coal Today...

92

The role of interruptible natural gas customers in New England heating oil markets: A preliminary examination of events in January-February 2000  

Science Conference Proceedings (OSTI)

This report provides an analysis of data collected from gas service providers and end-use customers in the six New England States and offers a preliminary assessment of the impact of interruptible gas customers on the distillate fuel oil market this past winter. Based on information collected and analyzed as of October 2000, the main findings areas follows: (1) For interruptible gas customers with distillate fuel oil as a backup fuel, their volume of interruptions was equivalent to about 1 to 2 percent of the total sales of distillate fuel oil in New England during January-February 2000. For the two peak weeks of gas supply interruptions, however, the equivalent volume of distillate fuel oil amounted to an estimated 3 to 6 percent of total sales in New England. There were no interruptions of the natural gas service during the 2-month period. (2) Purchases of distillate fuel oil by interruptible gas customers may have contributed somewhat to the spike in the price of distillate fuel oil in January-February 2000, especially during the peak weeks of gas interruptions. Nevertheless, other factors--a sudden drop in temperatures, low regional stocks of distillate fuels, and weather-related supply problems during a period of high customer demand--appear to have played a significant role in this price spike, as they have in previous spikes. (3) While this preliminary analysis suggests that interruptible natural gas service does not threaten the stability of the home heating oil market, several steps might be taken-without undermining the benefits of interruptible service--to reduce the potential adverse impacts of gas supply interruptions in times of market stress. Regardless of the magnitude of the impact of distillate fuel oil purchases by interruptible gas customers on Northeast heating oil markets, the threat of future heating oil price spikes and supply problems still remains. To help counter the threat, President Clinton in July 2000 directed Secretary Richardson to establish a heating oil component of the Strategic Petroleum Reserve in the Northeast, and 2 million barrels of heating oil are now stored in the reserve. Other possible policy options are outlined.

None

2000-11-01T23:59:59.000Z

93

Indexes to Nuclear Regulatory Commission Issuances  

SciTech Connect

Digests and indexes for issuances of the Commission (CLI), the Atomic Safety and licensing Board Panel (LBP), the Administrative Law Judges (ALJ) the Directors` Decisions (DD), and the Decisions on Petitions for Rulemaking (DPRM) are presented in this document. These digests and indexes are intended to serve as a guide to the issuances. Information elements are displayed in one or more of five separate formats arranged as follows: Case Name Index; Headers and Digests; Legal Citations Index; Subject Index; and Facility Index.

NONE

1996-12-31T23:59:59.000Z

94

index  

NLE Websites -- All DOE Office Websites (Extended Search)

Introduction to the C-Mod Experiment Introduction to the C-Mod Experiment Physics Research High-Energy- Density Physics Waves & Beams Technology & Engineering Useful Links 2006 Program Advisory Committee Meeting Agenda, January 25- 27, 2006 Wednesday, January 25, 2006 1:00 pm Executive Session Richard Groebner 1:15 pm Welcome & Charge Miklos Porkolab 1:25 pm Comments from DoE Adam Rosenberg 1:30 pm Program Overview Earl Marmar 2:30 pm C-Mod Research for Integrated Scenarios on ITER Amanda Hubbard 3:30 pm Break 3:40 pm C-Mod Facility and Contributions to ITER Jim Irby 4:40 pm Executive Session 5:10 pm Dinner (off-site) Thursday, January 26, 2006 8:30 am Macro-Stability Bob Granetz 9:15 am ICRF Steve Wukitch 10:00 am Lower Hybrid Ron Parker 10:30 am Break 10:45 am Plasma Boundary Bruce Lipschultz 11:30 am Pedestal Physics

95

Index  

NLE Websites -- All DOE Office Websites (Extended Search)

WIPP Baseline Tool - 2004 Home CRA - 2004 Final Recertification Decision CRA Comments & Responses CCA - 1996 CRA CARDs & TSDs CCA CARDs & TSDs Regulatory Tools The Environmental...

96

Index  

NLE Websites -- All DOE Office Websites (Extended Search)

11 081385 The Effects of Longitudinal and Transverse Driving J. Rosenzweig Bunch Shape on the Plasma Wake Field Accelerator Experiment 12 082185 DOE Presentation 81285...

97

INDEX  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

STANDARD RESEARCH STANDARD RESEARCH SUBCONTRACT (EDUCATIONAL INSTITUTION or NONPROFIT ORGANIZATION) [FOR UNCLASSIFIED WORK] NO. ______________________ (DEPARTMENT OF ENERGY M&O CONTRACTOR) NATI _____________________________________ NAME ADDRESS Subcontractor: Attention: Address City, State, Zip Phone: Fax: E-Mail: Contractor's Procurement Representative [Contract Administrator]: Proc. Rep Title: ___________________ Phone #: Fax #: E-Mail: Introduction This is a cost-reimbursement, no-fee, standard subcontract for unclassified research and development work, not related to nuclear, chemical, biological, or radiological weapons of mass destruction or the

98

INDEX  

E-Print Network (OSTI)

F................................................................................................................................................................ 145 G............................................................................................................................................................... 164 H............................................................................................................................................................... 177 I.................................................................................................................................................................. 194 J................................................................................................................................................................. 216 K............................................................................................................................................................... 219 L................................................................................................................................................................ 221

Doylestown Pa

2007-01-01T23:59:59.000Z

99

Microsoft Word - Final Newsletter Index.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

ANNUAL INDEX SEQUESTRATION IN THE NEWS .............................................................................. 1 SEQUESTRATION POLICY & TRADING ............................................................... 11 SEQUESTRATION EVENTS & ANNOUNCEMENTS ............................................ 16 SEQUESTRATION PUBLICATIONS......................................................................... 17 SEQUESTRATION LEGISLATION ........................................................................... 24 INDEX.............................................................................................................................. 25 CONTACT INFORMATION........................................................................................ 28

100

1988 Bulletin compilation and index  

SciTech Connect

This document is published to provide current information about the national program for managing spent fuel and high-level radioactive waste. This document is a compilation of issues from the 1988 calendar year. A table of contents and one index have been provided to assist in finding information.

NONE

1989-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Transportation environment data bank index  

SciTech Connect

In an effort to determine the environment intensities to which shipping containers will be exposed, a ''Data Bank'' of environmental information has been established by Sandia Laboratories, Division 1285 for the ERDA Division of Environmental Control Technology. This document is an index which can be used to request data of interest. (auth)

Davidson, C.A.; Foley, J.T.

1976-02-01T23:59:59.000Z

102

Optimal deployment of solar index  

SciTech Connect

There is a growing trend, generally caused by state-specific renewable portfolio standards, to increase the importance of renewable electricity generation within generation portfolios. While RPS assist with determining the composition of generation they do not, for the most part, dictate the location of generation. Using data from various public sources, the authors create an optimal index for solar deployment. (author)

Croucher, Matt

2010-11-15T23:59:59.000Z

103

Recommended Rest Frequencies  

Science Conference Proceedings (OSTI)

Return to Table of Contents NIST Recommended Rest Frequencies for Observed Interstellar Molecular Microwave Transitions. by Frank J. Lovas. ...

104

Eastern Frequency Response Study  

Science Conference Proceedings (OSTI)

This study was specifically designed to investigate the frequency response of the Eastern Interconnection that results from large loss-of-generation events of the type targeted by the North American Electric Reliability Corp. Standard BAL-003 Frequency Response and Frequency Bias Setting (NERC 2012a), under possible future system conditions with high levels of wind generation.

Miller, N.W.; Shao, M.; Pajic, S.; D'Aquila, R.

2013-05-01T23:59:59.000Z

105

Microsoft Word - CBS News Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Building Science Newsletter Index Building Science Newsletter Index All CBS Newsletters that are in print are also available on the web at: http://eetd.lbl.gov/cbs/newsletter/CBSNews.html Articles are listed here by title in the order they appear. Summer 1998 (This is the final issue. See new EETD Newsletter, beginning Spring 99.) Reducing the Federal Energy Bill - Berkeley Lab's Work with the Federal Energy Management Program. (Allan Chen, p.1.) News from the DC Office: Regional Builder Option Packages: A Simplified Guide for Constructing Energy Star Homes (Donald Mauritz, p.3.) A Survey: Indoor Air Quality in Schools. (Joan Daisey and William Angell, p. 4.) International Energy-Efficiency Standards. (Mirka Della Cava, p.5.) Energy Plus: The Merger of BLAST and DOE-2. (Dru Crawley, p.6.)

106

Interferometric investigation and simulation of refractive index in glass matrixes containing nanoparticles of varying sizes  

Science Conference Proceedings (OSTI)

The relationship between refractive index and nanoparticle radii of cadmium selenide (CdSe) nanoparticles embedded within glass matrixes was investigated experimentally and by simulations. A homemade automated Michelson interferometer arrangement employing a rotating table and a He-Ne laser source at a wavelength of 632.8 nm determined the refractive index versus nanoparticle radii of embedded cadmium selenide (CdSe) nanoparticles. The refractive index was found to decrease linearly with nanoparticle radius increase. However, one sample showed a step increase in refractive index; on spectroscopic analysis, it was found that its resonant wavelength matched that of the He-Ne source wavelength. The simulations showed that two conditions caused the step increase in refractive index: low plasma frequency and matched sample and source resonances. This simple interferometer setup defines a new method of determining the radii of nanoparticles embedded in substrates and enables refractive index tailoring by modification of exact annealing conditions.

Feeney, Michael Gerard; Ince, Rabia; Yukselici, Mehmet Hikmet; Allahverdi, Cagdas

2011-07-01T23:59:59.000Z

107

primary frequency standards  

Science Conference Proceedings (OSTI)

NIST-F1 Cesium Fountain Atomic Clock The Primary Time and Frequency Standard for the United States. NIST-F1, the nation's ...

2013-02-04T23:59:59.000Z

108

Probability Distribution of Precipitation Extremes for Weather Index–Based Insurance in the Zhujiang River Basin, South China  

Science Conference Proceedings (OSTI)

In a changing climate, understanding the frequency of weather extremes is crucial to improving the management of the associated risks. The concept of weather index–based insurance is introduced as a new approach in weather risk adaptation. It can ...

Thomas Fischer; Buda Su; Yong Luo; Thomas Scholten

2012-06-01T23:59:59.000Z

109

Comparison of Spectral Index Determinations  

E-Print Network (OSTI)

The index $n$ of a power law power spectrum of primordial density fluctuations, $P(k) \\propto k^n$, has been estimated using many different techniques. The most precise compare the COBE DMR large angular scale $\\Delta T$ to the amplitude of the large scale structure, but these are also the most model-dependent. The COBE DMR $\\Delta T$ has also been compared to the degree-scale $\\Delta T$ from several experiments. And finally, a relatively model-independent value of $n$ can derived from the COBE data alone, but the small range of angular scales covered by COBE limits the precision of these methods.

Edward L. Wright

1994-08-01T23:59:59.000Z

110

Indexes to Nuclear Regulatory Commission Issuances, July--December 1993. Volume 38, Index 2  

Science Conference Proceedings (OSTI)

Digests and indexes for issuances of the Commission (CLI), the Atomic Safety and Licensing Board Panel (LBP), the Administrative Law Judges (ALJ), the Directors` Decisions (DD), and the Denials of Petitions for Rulemaking (DPRM) are presented in this document. These digests and indexes are intended to serve as a guide to the issuances. These information elements are displayed in one or more of five separate formats arranged as follows: Case Name Index; Digests and Headers; Legal Citations Index; Subject Index, and Facility Index.

Not Available

1994-04-01T23:59:59.000Z

111

Stabilized radio frequency quadrupole  

DOE Patents (OSTI)

Disclosed is a long-vane stabilized radio frequency resonator for accelerating charged particles and including means defining a radio frequency resonator cavity, a plurality of long vanes mounted in the defining means for dividing the cavity into sections, and means interconnecting opposing ones of the plurality of vanes for stabilizing the resonator. 5 figs.

Lancaster, H.D.; Fugitt, J.A.; Howard, D.R.

1984-12-25T23:59:59.000Z

112

Estimating frequency of change  

Science Conference Proceedings (OSTI)

Many online data sources are updated autonomously and independently. In this article, we make the case for estimating the change frequency of data to improve Web crawlers, Web caches and to help data mining. We first identify various scenarios, where ... Keywords: Change frequency estimation, Poisson process

Junghoo Cho; Hector Garcia-Molina

2003-08-01T23:59:59.000Z

113

Global Vegetation Data: Leaf Area Index  

NLE Websites -- All DOE Office Websites (Extended Search)

Leaf Area Index Data Available The ORNL DAAC announces the availability of a global data set containing approximately 1000 estimates of leaf area index (LAI) for a variety of...

114

High index contrast platform for silicon photonics  

E-Print Network (OSTI)

This thesis focuses on silicon-based high index contrast (HIC) photonics. In addition to mature fiber optics or low index contrast (LIC) platform, which is often referred to as Planar Lightwave Cirrcuit (PLC) or Silica ...

Akiyama, Shoji, 1972-

2004-01-01T23:59:59.000Z

115

UV Index Widget | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Description The UV Index Widget displays the ultraviolet (UV) Index providing a daily forecast of the expected risk of overexposure to the sun for a user-specified area of interest...

116

Ardour Global Indexes LLC | Open Energy Information  

Open Energy Info (EERE)

Zip 10016 Product New-York based company that manages the Ardour Global Indexes, a set of alternative energy financial indicators. References Ardour Global Indexes LLC1 LinkedIn...

117

Indexing Flower Patent Images Using Domain Knowledge  

Science Conference Proceedings (OSTI)

The authors describe a new approach to indexing a specialized database using the color and spatial domain knowledge available for the database. They illustrate their approach by using it to solve the problem of indexing flower images when searching a ...

Madirakshi Das; R. Manmatha; Edward M. Riseman

1999-09-01T23:59:59.000Z

118

COMPOSITE INDEX OF HANFORD ENGINEERING STANDARDS  

SciTech Connect

Hanford Atomic Production Operation composite index refers to subjects contained in the nine handbooks and manuals published under the Hanford Engineering Standard Program. This index is described in TID-4100(Suppl.). (N.W.R.)

1963-01-01T23:59:59.000Z

119

Microfabricated ion frequency standard  

DOE Patents (OSTI)

A microfabricated ion frequency standard (i.e. an ion clock) is disclosed with a permanently-sealed vacuum package containing a source of ytterbium (Yb) ions and an octupole ion trap. The source of Yb ions is a micro-hotplate which generates Yb atoms which are then ionized by a ultraviolet light-emitting diode or a field-emission electron source. The octupole ion trap, which confines the Yb ions, is formed from suspended electrodes on a number of stacked-up substrates. A microwave source excites a ground-state transition frequency of the Yb ions, with a frequency-doubled vertical-external-cavity laser (VECSEL) then exciting the Yb ions up to an excited state to produce fluorescent light which is used to tune the microwave source to the ground-state transition frequency, with the microwave source providing a precise frequency output for the ion clock.

Schwindt, Peter (Albuquerque, NM); Biedermann, Grant (Albuquerque, NM); Blain, Matthew G. (Albuquerque, NM); Stick, Daniel L. (Albuquerque, NM); Serkland, Darwin K. (Albuquerque, NM); Olsson, III, Roy H. (Albuquerque, NM)

2010-12-28T23:59:59.000Z

120

Plasma Frequency Shift Due to a Slowly Rotating Compact Star  

E-Print Network (OSTI)

We investigate the effects of a slowly rotating compact gravitational source on plasma oscillations using the gravitoelectromagnetic approximation to General Relativity. It is shown that there is a shift in the plasma frequency and hence in the refractive index of the plasma due to the gravitomagnetic force. Estimates for the difference in frequency of radially transmitted electromagnetic signals are given for typical compact star candidates. 1

Babur M. Mirza; Hamid Saleem

2005-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Parallelizing an Index Generator for Desktop Search  

E-Print Network (OSTI)

combination of search terms. The search uses an inverted index that lists the files in which a given term in a given document. Should a term be entered into the index every time it is found, or should the term a term has been looked up in the index, a search must check whether the pair (term, filename) had been

Paris-Sud XI, Université de

122

Definition: Transmission Angle and Frequency Monitoring | Open Energy  

Open Energy Info (EERE)

Transmission Angle and Frequency Monitoring Transmission Angle and Frequency Monitoring Jump to: navigation, search Dictionary.png Transmission Angle and Frequency Monitoring An advanced transmission application that uses angle and frequency measurements from PMUs to indicate loss of generation or other disturbances causing a change in the supply/demand balance.[1] Related Terms transmission lines, advanced transmission applications, transmission line References ↑ https://www.smartgrid.gov/category/technology/transmission_angle_and_frequency_monitoring [[Cat LikeLike UnlikeLike You like this.Sign Up to see what your friends like. egory: Smart Grid Definitionssmart grid,smart grid, |Template:BASEPAGENAME]]smart grid,smart grid, Retrieved from "http://en.openei.org/w/index.php?title=Definition:Transmission_Angle_and_Frequency_Monitoring&oldid=502506

123

Department of Energy Standards Index  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

TSL-1-2002 TSL-1-2002 December 2002 Superseding DOE-TSL-1-99 May 1999 DOE TECHNICAL STANDARDS LIST DEPARTMENT OF ENERGY STANDARDS INDEX U.S. Department of Energy AREA SDMP Washington, D.C. 20585 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. This document has been reproduced from the best available copy. Available to DOE and DOE contractors from ES&H Technical Information Services, U.S. Department of Energy, (800) 473-4375, fax: (301) 903-9823. Available to the public from the U.S. Department of Commerce, Technology Administration, National Technical Information Service, Springfield, VA 22161; (703) 605-6000. DOE-TSL-1-2002 iii FOREWORD 1. This Department of Energy (DOE) Technical Standards list (TSL) has been prepared by the Office of Nuclear and Facility Safety Policy (EH-53) on the basis of currently available technical information.

124

Graphene Frequency Multipliers  

E-Print Network (OSTI)

In this letter, the ambipolar transport properties of graphene flakes have been used to fabricate full-wave signal rectifiers and frequency-doubling devices. By correctly biasing an ambipolar graphene field-effect transistor ...

Wang, Han

125

Schoenberg, Chang, Pompa, Woods, Xu. Burning Index. 1 RH: Burning index in Los Angeles  

E-Print Network (OSTI)

Schoenberg, Chang, Pompa, Woods, Xu. Burning Index. 1 RH: Burning index in Los Angeles A Critical Assessment of the Burning Index in Los Angeles County, California Frederic Paik SchoenbergA,E , Chien: The effectiveness of the Burning Index (BI) in predicting wildfire ac- tivity is assessed using 25 years of area

Schoenberg, Frederic Paik (Rick)

126

Schoenberg, Chang, Keeley, Pompa, Woods, Xu. Burning Index. 1 RH: Burning index in Los Angeles  

E-Print Network (OSTI)

Schoenberg, Chang, Keeley, Pompa, Woods, Xu. Burning Index. 1 RH: Burning index in Los Angeles A Critical Assessment of the Burning Index in Los Angeles County, California Frederic Paik Schoenberg: The effectiveness of the Burning Index (BI) in predicting wildfire ac- tivity is assessed using 25 years of area

Schoenberg, Frederic Paik (Rick)

127

High frequency breakdown voltage  

SciTech Connect

This report contains information about the effect of frequency on the breakdown voltage of an air gap at standard pressure and temperature, 76 mm Hg and O{degrees}C, respectively. The frequencies of interest are 47 MHz and 60 MHz. Additionally, the breakdown in vacuum is briefly considered. The breakdown mechanism is explained on the basis of collision and ionization. The presence of the positive ions produced by ionization enhances the field in the gap, and thus determines the breakdown. When a low-frequency voltage is applied across the gap, the breakdown mechanism is the same as that caused by the DC or static voltage. However, when the frequency exceeds the first critical value f{sub c}, the positive ions are trapped in the gap, increasing the field considerably. This makes the breakdown occur earlier; in other words, the breakdown voltage is lowered. As the frequency increases two decades or more, the second critical frequency, f{sub ce}, is reached. This time the electrons start being trapped in the gap. Those electrons that travel multiple times across the gap before reaching the positive electrode result in an enormous number of electrons and positive ions being present in the gap. The result is a further decrease of the breakdown voltage. However, increasing the frequency does not decrease the breakdown voltage correspondingly. In fact, the associated breakdown field intensity is almost constant (about 29 kV/cm).The reason is that the recombination rate increases and counterbalances the production rate, thus reducing the effect of the positive ions` concentration in the gap. The theory of collision and ionization does not apply to the breakdown in vacuum. It seems that the breakdown in vacuum is primarily determined by the irregularities on the surfaces of the electrodes. Therefore, the effect of frequency on the breakdown, if any, is of secondary importance.

Chu, Thanh Duy

1992-03-01T23:59:59.000Z

128

Construction Price Indexes | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Price Indexes Price Indexes BusinessUSA Data/Tools Apps Challenges Let's Talk BusinessUSA You are here Data.gov » Communities » BusinessUSA » Data Construction Price Indexes Dataset Summary Description The Construction Price Indexes provide price indexes for single-family houses sold and for single-family houses under construction. The houses sold index incorporates the value of the land and is available quarterly at the national level and annually by region. The indexes for houses under construction are available monthly at the national level. The indexes are based on data funded by HUD and collected in the Survey of Construction (SOC). Tags {Laspeyres,Constant,Quality,Paasche,Output,Deflator,Fisher,Ideal,Index,absorption,apartment,authorized,authorization,build,building,built,characteristic,completed,completion,construction,contract,contractor,cost,development,dwelling,economic,existing,expenditures,family,financing,finished,floor,home,house,houses,housing,hud,indicator,index,issue,issuing,living,manufactured,market,metropolitan,microdata,month,multifamily,multiple,new,nonresidential,occupancy,occupants,occupied,office,one-unit,owner,permanent,permit,permits,price,private,privately-owned,public,quarters,rebuilt,region,regional,rent,rental,residential,rural,sale,sectional,single,single-family,site-built,size,sold,speculative,spending,stage,started,starts,structure,timeshare,under,unit,units,urban,u.s.,vacancy,valuation,zoning}

129

Topic Index to the DOE Administrative Records Disposition Schedules...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Topic Index to the DOE Administrative Records Disposition Schedules Topic Index to the DOE Administrative Records Disposition Schedules Topic Index to the DOE Administrative...

130

Supplement: Commodity Index Report | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Supplement: Commodity Index Report Supplement: Commodity Index Report Agriculture Community Menu DATA APPS EVENTS DEVELOPER STATISTICS COLLABORATE ABOUT Agriculture You are here Data.gov » Communities » Agriculture » Data Supplement: Commodity Index Report Dataset Summary Description Shows index traders in selected agricultural markets. These traders are drawn from the noncommercial and commercial categories. The noncommercial category includes positions of managed funds, pension funds, and other investors that are generally seeking exposure to a broad index of commodity prices as an asset class in an unleveraged and passively-managed manner. The commercial category includes positions for entities whose trading predominantly reflects hedging of over-the-counter transactions involving commodity indices, for example, a swap dealer holding long futures positions to hedge a short commodity index exposure opposite institutional traders, such as pension funds.

131

Distribution Reliability Indices Tracking Within the United States  

Science Conference Proceedings (OSTI)

Distribution reliability statistics, based on sustained interruptions, are the primary benchmark used by utilities and regulators to identify service quality and to measure performance. More than 20 states now require some level of annual reporting on the quality of service in terms of frequency and duration of sustained interruptions. Included in such reporting is documentation of specific distribution reliability indices such as the System Average Interruption Frequency Index (SAIFI) and System Average...

2003-05-12T23:59:59.000Z

132

An index 2F2 hypergeometric transform  

E-Print Network (OSTI)

We construct a new one-parameter family of index hypergeometric transforms associated with the relativistic pseudoharmonic oscillator by using coherent states analysis.

Mouayn, Zouhair

2011-01-01T23:59:59.000Z

133

An index 2F2 hypergeometric transform  

E-Print Network (OSTI)

We construct a new one-parameter family of index hypergeometric transforms associated with the relativistic pseudoharmonic oscillator by using coherent states analysis.

Zouhair Mouayn

2011-05-11T23:59:59.000Z

134

NIST Elemental Data Index Version History  

Science Conference Proceedings (OSTI)

... RA (2011), Elemental Data Index (version 2.2). ... the Ground Levels and Ionization Energies for the ... to two new, online databases: "Energy Levels of ...

2011-12-09T23:59:59.000Z

135

Definition: Controlled Source Frequency-Domain Magnetics | Open Energy  

Open Energy Info (EERE)

Frequency-Domain Magnetics Frequency-Domain Magnetics Jump to: navigation, search Dictionary.png Controlled Source Frequency-Domain Magnetics AquaTrackTM, a controlled-source frequency domain magnetics tool (CS-FDM), is a patented invention by Willowstick Technologies. This technique is meant to characterize groundwater conditions and flow patterns up to 1,000 m depth.[1] References ↑ http://pangea.stanford.edu/ERE/pdf/IGAstandard/SGW/2006/kofoed.pdf Ret LikeLike UnlikeLike You like this.Sign Up to see what your friends like. rieved from "http://en.openei.org/w/index.php?title=Definition:Controlled_Source_Frequency-Domain_Magnetics&oldid=590084" Category: Definitions What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load)

136

Dark Matter Constraints from a Cosmic Index of Refraction  

E-Print Network (OSTI)

The dark-matter candidates of particle physics invariably possess electromagnetic interactions, if only via quantum fluctuations. Taken en masse, dark matter can thus engender an index of refraction which deviates from its vacuum value. Its presence is signaled through frequency-dependent effects in the propagation and attenuation of light. We discuss theoretical constraints on the expansion of the index of refraction with frequency, the physical interpretation of the terms, and the particular observations needed to isolate its coefficients. This, with the advent of new opportunities to view gamma-ray bursts at cosmological distance scales, gives us a new probe of dark matter and a new possibility for its direct detection. As a first application we use the time delay determined from radio afterglow observations of distant gamma-ray bursts to realize a direct limit on the electric-charge-to-mass ratio of dark matter of |varepsilon|/M < 1 x 10^{-5} eV^{-1} at 95% CL.

S. Gardner; D. C. Latimer

2009-04-10T23:59:59.000Z

137

Dark matter constraints from a cosmic index of refraction  

SciTech Connect

The dark matter candidates of particle physics invariably possess electromagnetic interactions, if only via quantum fluctuations. Taken en masse, dark matter can thus engender an index of refraction which deviates from its vacuum value. Its presence is signaled through frequency-dependent effects in the propagation and attenuation of light. We discuss theoretical constraints on the expansion of the index of refraction with frequency, the physical interpretation of the terms, and the particular observations needed to isolate its coefficients. This, with the advent of new opportunities to view gamma-ray bursts at cosmological distance scales, gives us a new probe of dark matter and a new possibility for its direct detection. As a first application we use the time delay determined from radio afterglow observations of distant gamma-ray bursts to realize a direct limit on the electric charge-to-mass ratio of dark matter of |{epsilon}|/M<1x10{sup -5} eV{sup -1} at 95% C.L.

Gardner, Susan [Center for Particle Astrophysics and Theoretical Physics Department, Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States); Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506-0055 (United States); Latimer, David C. [Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506-0055 (United States)

2010-09-15T23:59:59.000Z

138

Three-dimensional metamaterials with an ultra-high effective refractive index over broad bandwidth  

E-Print Network (OSTI)

The authors introduce a general mechanism, based on electrostatic and magnetostatic considerations, for designing three-dimensional isotopic metamaterials that possess an enhanced refractive index over an extremely large frequency range. The mechanism allows nearly independent control of effective electric permittivity and magnetic permeability without the use of resonant elements.

Jonghwa Shin; Jung-Tsung Shen; Shanhui Fan

2008-04-14T23:59:59.000Z

139

Why inverse document frequency?  

Science Conference Proceedings (OSTI)

Inverse Document Frequency (IDF) is a popular measure of a word's importance. The IDF invariably appears in a host of heuristic measures used in information retrieval. However, so far the IDF has itself been a heuristic. In this paper, we show IDF to ...

Kishore Papineni

2001-06-01T23:59:59.000Z

140

A Water Vapor Index from Satellite Measurements  

Science Conference Proceedings (OSTI)

A method for deriving a water vapor index is presented. An important feature of the index is the fact that it does not rely on radiosondes. Thus, it is not influenced by problems associated with radiosondes and the extent to which the horizontal ...

Larry M. McMillin; David S. Crosby; Mitchell D. Goldberg

1995-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Dynamic maintenance of web indexes using landmarks  

Science Conference Proceedings (OSTI)

Recent work on incremental crawling has enabled the indexed document collection of a search engine to be more synchronized with the changing World Wide Web. However, this synchronized collection is not immediately searchable, because the keyword index ... Keywords: inverted files, update processing

Lipyeow Lim; Min Wang; Sriram Padmanabhan; Jeffrey Scott Vitter; Ramesh Agarwal

2003-05-01T23:59:59.000Z

142

A MANUAL FOR CATALOGING and INDEXING DOCUMENTS FOR DATABASE ACQUISITION  

E-Print Network (OSTI)

4432 Rev. 1 July, 1978 A Manual for Cataloging and IndexingEnvironment Division A Manual for Cataloging and Indexing

Schwartz, S.R.

2010-01-01T23:59:59.000Z

143

A Multiscalar Drought Index Sensitive to Global Warming: The Standardized Precipitation Evapotranspiration Index  

Science Conference Proceedings (OSTI)

The authors propose a new climatic drought index: the standardized precipitation evapotranspiration index (SPEI). The SPEI is based on precipitation and temperature data, and it has the advantage of combining multiscalar character with the ...

Sergio M. Vicente-Serrano; Santiago Beguería; Juan I. López-Moreno

2010-04-01T23:59:59.000Z

144

Forest Carbon Index | Open Energy Information  

Open Energy Info (EERE)

Forest Carbon Index Forest Carbon Index Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Forest Carbon Index Agency/Company /Organization: Resources for the Future Partner: United Nations Foundation Sector: Land Focus Area: Forestry Topics: Finance, GHG inventory, Market analysis Resource Type: Maps, Software/modeling tools User Interface: Website Website: www.forestcarbonindex.org/ Web Application Link: www.forestcarbonindex.org/maps.html Cost: Free References: Forest Carbon Index [1] The Forest Carbon Index (FCI) compiles and displays global data relating to biological, economic, governance, investment, and market readiness conditions for every forest and country in the world, revealing the best places and countries for forest carbon investments. Please use this site to

145

Method of identifying features in indexed data  

DOE Patents (OSTI)

The present invention is a method of identifying features in indexed data, especially useful for distinguishing signal from noise in data provided as a plurality of ordered pairs. Each of the plurality of ordered pairs has an index and a response. The method has the steps of: (a) providing an index window having a first window end located on a first index and extending across a plurality of indices to a second window end; (b) selecting responses corresponding to the plurality of indices within the index window and computing a measure of dispersion of the responses; and (c) comparing the measure of dispersion to a dispersion critical value. Advantages of the present invention include minimizing signal to noise ratio, signal drift, varying baseline signal and combinations thereof.

Jarman, Kristin H. (Richland, WA); Daly, Don Simone (Richland, WA); Anderson, Kevin K. (Richland, WA); Wahl, Karen L. (Richland, WA)

2001-01-01T23:59:59.000Z

146

High frequency reference electrode  

DOE Patents (OSTI)

A high frequency reference electrode for electrochemical experiments comprises a mercury-calomel or silver-silver chloride reference electrode with a layer of platinum around it and a layer of a chemically and electrically resistant material such as TEFLON around the platinum covering all but a small ring or halo'' at the tip of the reference electrode, adjacent to the active portion of the reference electrode. The voltage output of the platinum layer, which serves as a redox electrode, and that of the reference electrode are coupled by a capacitor or a set of capacitors and the coupled output transmitted to a standard laboratory potentiostat. The platinum may be applied by thermal decomposition to the surface of the reference electrode. The electrode provides superior high-frequency response over conventional electrodes.

Kronberg, J.W.

1991-03-05T23:59:59.000Z

147

High frequency reference electrode  

DOE Patents (OSTI)

A high frequency reference electrode for electrochemical experiments comprises a mercury-calomel or silver-silver chloride reference electrode with a layer of platinum around it and a layer of a chemically and electrically resistant material such as TEFLON around the platinum covering all but a small ring or halo' at the tip of the reference electrode, adjacent to the active portion of the reference electrode. The voltage output of the platinum layer, which serves as a redox electrode, and that of the reference electrode are coupled by a capacitor or a set of capacitors and the coupled output transmitted to a standard laboratory potentiostat. The platinum may be applied by thermal decomposition to the surface of the reference electrode. The electrode provides superior high-frequency response over conventional electrodes. 4 figs.

Kronberg, J.W.

1994-05-31T23:59:59.000Z

148

High frequency reference electrode  

DOE Patents (OSTI)

A high frequency reference electrode for electrochemical experiments comprises a mercury-calomel or silver-silver chloride reference electrode with a layer of platinum around it and a layer of a chemically and electrically resistant material such as TEFLON around the platinum covering all but a small ring or "halo" at the tip of the reference electrode, adjacent to the active portion of the reference electrode. The voltage output of the platinum layer, which serves as a redox electrode, and that of the reference electrode are coupled by a capacitor or a set of capacitors and the coupled output transmitted to a standard laboratory potentiostat. The platinum may be applied by thermal decomposition to the surface of the reference electrode. The electrode provides superior high-frequency response over conventional electrodes.

Kronberg, James W. (Aiken, SC)

1994-01-01T23:59:59.000Z

149

Transportation Services Index and the Economy  

E-Print Network (OSTI)

Index (TSI), an economic measure of freight and passenger movements, 1 marked the Bureau of Transportation Statistics ’ (BTS’) entry into the company of federal statistical agencies that produce monthly U.S. economic indicators. The TSI consists of three component indexes: a freight index, a passenger index, and a combined (or total) index. Figure 1 shows the freight and passenger indexes as recently displayed on the BTS website. The TSI is the broadest monthly measure of U.S. domestic transportation services and, as such, provides the best current measure available of these services. As an index, the TSI refl ects real monthly changes in freight and passenger services in the United States. After development of the TSI, followed by additional research, it became clear the TSI moved in conjunction with other indicators of the national economy. Cycles of various kinds, depths, and durations occur frequently in the U.S. economy. Of these, the business cycles of recession and expansion, and the growth cycle are of particular interest to economists. The TSI, as presently published on the BTS website, spans the time period from 1990 to the present and covers two recessions. But, extending the TSI back to 1979 allows coverage of four recessions 2 and numerous growth cycles. By comparing the turning points in the extended TSI with other economic data series, it is possible to ascertain whether and how transportation services 1

Peg Young, Ph.D.; Ken; Notis Gary Feuerberg, Ph.D.; Long Nguyen

2001-01-01T23:59:59.000Z

150

Procedure for determining the distribution ranking index  

SciTech Connect

The Distribution Ranking Index (DRI) has been developed as a simple but effective means to indicate the inherent, acute hazards of a material that might be released in a transportation accident. Utilizing existing Dow resources and procedures, it is one of the methods used for prioritization of chemicals in Dow`s distribution related process risk management effort. Seven individual hazard indexes are considered for a material. The values range from 1 to 4 with 4 representing the most severe hazard. The highest value from any hazard index determines the overall DRI. 3 refs., 1 fig., 8 tabs.

Latino, M.A. [Dow Chemical Co., Freeport, TX (United States)

1996-12-31T23:59:59.000Z

151

Time and Frequency Users Manual  

Science Conference Proceedings (OSTI)

... 9 TERMS USED 11 ... 135 GLOSSARY 137 INDEX ... The OIL INDUSTRY needs accurate timing to help automate oil well drilling, especially offshore. ...

2002-01-02T23:59:59.000Z

152

Energy Development Index (EDI) | Open Energy Information  

Open Energy Info (EERE)

Energy Development Index (EDI) Energy Development Index (EDI) Jump to: navigation, search LEDSGP green logo.png FIND MORE DIA TOOLS This tool is part of the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership. Tool Summary LAUNCH TOOL Name: Energy Development Index (EDI) Agency/Company /Organization: International Energy Agency (IEA) Sector: Climate User Interface: Website Complexity/Ease of Use: Simple Website: www.worldenergyoutlook.org/resources/energydevelopment/measuringenergy Cost: Free Related Tools IGES GHG Calculator For Solid Waste Ex Ante Appraisal Carbon-Balance Tool (EX-ACT) Healthcare Energy Impact Calculator ... further results An index which is a composite measure of a country's progress in transitioning to modern fuels and modern energy services, as a means to

153

UPI: A Primary Index for Uncertain Databases  

E-Print Network (OSTI)

Uncertain data management has received growing attention from industry and academia. Many efforts have been made to optimize uncertain databases, including the development of special index data structures. However, none ...

Kimura, Hideaki

154

Drought Index Mapping at Different Spatial Units  

Science Conference Proceedings (OSTI)

This paper investigates the influence of spatial interpolation and aggregation of data to depict drought at different spatial units relevant to and often required for drought management. Four different methods for drought index mapping were ...

Jinyoung Rhee; Gregory J. Carbone; James Hussey

2008-12-01T23:59:59.000Z

155

A Unified Monsoon Index for South China  

Science Conference Proceedings (OSTI)

A unified index for both the summer and winter monsoons over south China (SC) is proposed for the purpose of studying their interannual variability. By examining the monthly distribution of the meridional flow ? over the Asia–Pacific region from ...

Er Lu; Johnny C. L. Chan

1999-08-01T23:59:59.000Z

156

Estimating UV Index Climatology over Canada  

Science Conference Proceedings (OSTI)

Hourly UV index values at 45 sites in Canada were estimated using a statistical relationship between UV irradiance and global solar radiation, total ozone, and dewpoint temperature. The estimation method also takes into account the enhancement of ...

V. E. Fioletov; J. B. Kerr; L. J. B. McArthur; D. I. Wardle; T. W. Mathews

2003-03-01T23:59:59.000Z

157

Tests of the lattice index theorem  

SciTech Connect

We investigate the lattice index theorem and the localization of the zero modes for thick classical center vortices. For nonorientable spherical vortices, the index of the overlap Dirac operator differs from the topological charge although the traces of the plaquettes deviate only by a maximum of 1.5% from trivial plaquettes. This may be related to the fact that even in Landau gauge some links of these configuration are close to the nontrivial center elements.

Jordan, Gerald; Hoellwieser, Roman; Faber, Manfried; Heller, Urs M. [Atomic Institute, Vienna University of Technology, Wiedner Hauptstr. 8-10, 1040 Vienna (Austria); American Physical Society, One Research Road, Box 9000, Ridge, New York 11961-9000 (United States)

2008-01-01T23:59:59.000Z

158

Laser-frequency multiplication  

SciTech Connect

A high quality mode locked pulse train was obtained at 9.55 micrometers, the CO2 wavelength chosen for frequency doubling into the atmospheric window at 4.8 micrometers. The pulse train consists of a 3 micro sec burst of 1.5 nsec pulses separated by 40 nsec, in a TEM(00) mode and with a total energy of 100 mJ. The pulse intensity without focussing is about 3 MW/sq.cm., already quite close to the target intensity of 10 MW/sq.cm. for frequency doubling in a AgGaSe2 crystal. The mode-locked train is obtained by intracavity modulation at 12.5 MHz using a germanium crystal driven with a power of about 30 Watts. Line selection is achieved firstly by the use of a 0.92 mm thick CaF2 plate at the Brewster angle within the cavity, which completely suppresses 10.6 micrometer band radiation. Secondly, a particular rotational line, the P20 at 9.55 micrometers, is selected by the injection of a continuous beam is mode-matched to the pulsed laser cavity using a long focal length lens, and for best line-locking it is necessary to fine tune the length of the pulsed laser resonator. Injection causes substantial depression of the gain switched spike.

Not Available

1991-11-01T23:59:59.000Z

159

Validation of the strain index: poultry processing  

E-Print Network (OSTI)

The primary aim of this study was to evaluate the predictive validity of the Strain Index and compare it to predictions based on the presence of generic risk factors within turkey processing. Data was gathered and a Strain Index Score was assigned to a total of 56 jobs-by-sides at a turkey A job was classified as 'problem' or 'safe' based on the presence or absence of a generic risk factor. The morbidity classification for jobs-by-sides was 'positive' if there was at least one recorded distal upper extremity disorder corresponding to that job and that side of the body and 'negative' if no such disorders were recorded. The Strain Index classified 39 jobs-by-sides as 'problem' and 17 as 'safe.' Forty-two of the jobs-by-sides were 'positive.' Among categorical variables, intensity of exertion, duration of exertion, hand/wrist posture, speed of work, and duration per day ratings were significantly greater for 'problem' jobs-by-sides compared to 'safe' jobs-by-sides. Among continuous variables, the percent duration of exertion processing facility. The hazard classification for a job was 'problem' if the Strain Index Score was five or greater and 'safe' if the Strain Index score was less than five. The generic risk factors considered in this study included repetitiveness, pinch grasp, hand - arm vibration, and cold temperature. The Strain Index Scores were significantly greater for 'problem' jobs-by-sides compared to 'safe' jobs-by-sides. The Strain Index ratings for intensity of exertion, duration of exertion, and duration per day were significantly greater for 'positive' jobs compared to 'negative' jobs. Among continuous variables, percent duration of exertion, production cycle time, and the Strain Index Score were significantly greater for 'positive' compared to 'negative' jobs-by-sides. Two generic risk factors, cold temperature and pinch grasp, were negatively associated with morbidity. As a screening tool to identify 'positive' versus 'negative' jobs-by-sides in this study, the Strain Index methodology had a sensitivity of 86%, specificity of 79%, positive predictive value 92%, and negative predictive value of 65%. The results of this study concur with the Strain Index methodology that exertional demands of a task best explain the occurrence of distal upper extremity disorders within a job.

Knox, Kristine Renee

2000-01-01T23:59:59.000Z

160

An analysis of muscle fatigue due to complex tasks and its relation to the strain index  

E-Print Network (OSTI)

The Strain Index was originally designed to analyze mono-task jobs. An experiment using a grip dynamometer was used to simulate six multiple task jobs to study the effect of complex tasks on localized muscle fatigue and to evaluate six different models used to calcula te a Complex Strain Index score. These models included average Strain Index score, unadjusted summation, duration adjusted summation, complex equation, minimum intensity, and peak intensity. Two methods of calculating a continuous Strain Index score were also analyzed. Ratings of perceived exertion, hand and forearm fatigue and discomfort, Difficulty Rating, maximum voluntary contraction (MVC), and percent strength loss were recorded for each of the six treatments. Electromyography (EMG) was also recorded for the 24 subjects (12 males and females) who completed the experiment. The EMG signal was analyzed using root mean square (RMS), initial mean power frequency (IMnPF), and slope of the mean power frequency (MnPF). Each treatment, lasting one hour each, contained a primary exertion (Task 1) of either 10% or 40% MVC for three seconds and a secondary exertion (Task 2) of either 10% or 40% MVC for one or three seconds. Subjective variables linearly increased (R2 > 0.88) over the duration of the treatments and significantly differed between treatments (p 0.05). A significant difference was found for MnPF slope pre and post treatment, but no treatment effect was found (p > 0.05). The complex equation method of calculating a Strain Index score was the only model of the six evaluated that met all criteria for being an acceptable method of calculating a Complex Strain Index score. The two continuous methods presented for calculating a Strain Index score should not be used for job analysis until further research evaluates their reliability, validity, and critical scores for Hazard Classification.

Stephens, John-Paul

2006-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Index to the AEC/ERDA/DOE Air Cleaning Conferences  

SciTech Connect

A comprehensive index to the papers in the second through sixteenth AEC/ERDA/DOE Nuclear Air Cleaning Conference is discussed. The index will be published in early 1981 and will be designated as Volume 3 of the proceeding of the sixteenth conference. The index has three parts, a straight numeric tabulation, an author index, and a key word in context (KWIC) index. (JGB)

Burchsted, C.A.

1980-01-01T23:59:59.000Z

162

Animation of JILA Frequency Comb Spectroscopy Technique  

Science Conference Proceedings (OSTI)

Animation of JILA Frequency Comb Spectroscopy Technique. The new JILA "frequency comb spectroscopy" technique ...

2012-08-17T23:59:59.000Z

163

Radio frequency coaxial feedthrough  

DOE Patents (OSTI)

An improved radio frequency coaxial transmission line vacuum feed-through provided based on the use of a half-wavelength annular dielectric pressure barrier disk, or multiple disks comprising an effective half wavelength structure to eliminate reflections from the barrier surfaces. Gas-tight seals are formed about the outer and inner diameter surfaces of the barrier disk using a sealing technique which generates radial forces sufficient to form seals by forcing the conductor walls against the surfaces of the barrier disks in a manner which does not deform the radii of the inner and outer conductors, thereby preventing enhancement of the electric field at the barrier faces which limits voltage and power handling capabilities of a feedthrough.

Owens, Thomas L. (Kingston, TN)

1989-01-17T23:59:59.000Z

164

Frequency mixing crystal  

DOE Patents (OSTI)

In a laser system for converting infrared laser light waves to visible light comprising a source of infrared laser light waves and means of harmonic generation associated therewith for production of light waves at integral multiples of the frequency of the original wave, the improvement of said means of harmonic generation comprising a crystal having the chemical formula X{sub 2} Y(NO{sub 3}){sub 5} {center_dot} 2 nZ{sub 2}O wherein X is selected from the group consisting of Li, Na, K, Rb, Cs, and Tl; Y is selected from the group consisting of Sc, Y, La, Ce, Nd, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Al, Ga, and In; Z is selected from the group consisting of H and D; and n ranges from 0 to 4.

Ebbers, C.A.; Davis, L.E.; Webb, M.

1990-10-16T23:59:59.000Z

165

Frequency mixing crystal  

DOE Patents (OSTI)

In a laser system for converting infrared laser light waves to visible light comprising a source of infrared laser light waves and means of harmonic generation associated therewith for production of light waves at integral multiples of the frequency of the original wave, the improvement of said means of harmonic generation comprising a crystal having the chemical formula X{sub 2} Y(NO{sub 3}){sub 5} {center dot} 2 nZ{sub 2}O wherein X is selected from the group consisting of Li, Na, K, Rb, Cs, and Tl; Y is selected from the group consisting of Sc, Y, La, Ce, Nd, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Al, Ga, and In; Z is selected from the group consisting of H and D; and n ranges from 0 to 4.

Ebbers, C.A.; Davis, L.E.; Webb, M.

1990-10-16T23:59:59.000Z

166

Frequency mixing crystal  

DOE Patents (OSTI)

In a laser system for converting infrared laser light waves to visible light comprising a source of infrared laser light waves and means of harmoic generation associated therewith for production of light waves at integral multiples of the frequency of the original wave, the improvement of said means of harmonic generation comprising a crystal having the chemical formula X.sub.2 Y(NO.sub.3).sub.5 .multidot.2 nZ.sub.2 o wherein X is selected from the group consisting of Li, Na, K, Rb, Cs, and Tl; Y is selected from the group consisting of Sc, Y, La, Ce, Nd, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Al, Ga, and In; Z is selected from the group consisting of H and D; and n ranges from 0 to 4.

Ebbers, Christopher A. (Livermore, CA); Davis, Laura E. (Manteca, CA); Webb, Mark (Salida, CA)

1992-01-01T23:59:59.000Z

167

Berkeley Lab A to Z Index: S  

NLE Websites -- All DOE Office Websites (Extended Search)

Safety Advisory Committee Safety Advisory Committee Safety and Hazardous Waste (Facilities Division) Safety Concerns Safety Culture Improvement Safety Spot Award Program (EHS) Safety Training (EHS) Safety Walkaround Checklist For Directorate/Operations Dec 2013 Salary Ranges and Classification Description Index Salvage (Waste Minimization) Science Articles Archive About the Research at the Lab Science Beat (current issue) Science Beat (index of back issues) Science and Technology Seminars Scientific and Technical Reports (Catalog 1989 to present) Scientific Cluster Support Scientific Conferences and Workshops Scientific Programs Seaborg: Glenn Seaborg's Life & Contributions Search lab-wide web sites Security Access Managers (SAM) Security and You Awareness Program (downloadable slides)

168

Asset Utilization Index (AUI) Guidance | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Asset Utilization Index (AUI) Guidance Asset Utilization Index (AUI) Guidance AUI Guidance090227.pdf More Documents & Publications Guiding Principles of Real Property Asset...

169

DOERS Records Schedule Cross Index to DOE Administrative Records...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOERS Records Schedule Cross Index to DOE Administrative Records Disposition Schedules DOERS Records Schedule Cross Index to DOE Administrative Records Disposition Schedules...

170

Optical frequency combs: From frequency metrology to optical ...  

Science Conference Proceedings (OSTI)

... and to dis- tribute the load of the ... measurements of frequency ratios (ie, energy ratios), and ... accuracy or stability versus power consumption, cost, or ...

2004-01-27T23:59:59.000Z

171

NIST Time and Frequency Services  

Science Conference Proceedings (OSTI)

... 14 The Mid-latitude K-index at 1500 UTC on 08 November was 3. 2 Space weather for the past 24 hours has been severe. Solar radiation storm(s ...

2013-06-17T23:59:59.000Z

172

Complexity index indicates refinery capability, value  

Science Conference Proceedings (OSTI)

Refinery size usually is measured in terms of distillation capacity. Relative size, however, can be measured using refinery complexity--a concept developed by W.L. Nelson in the 1960s. Nelson developed the complexity index to quantify the relative cost of components that make up a refinery. It is a pure cost index that provides a relative measure of the construction costs of a particular refinery based on its crude and upgrading capacity. The Nelson index compares the costs of various upgrading units--such as a fluid catalytic cracking (FCC) unit or a catalytic reformer--to the cost of a crude distillation unit. Computation of the index is an attempt to quantify the relative cost of a refinery based on the added cost of various upgrading units and the relative upgrading capacity. A review of complexity calculations, and an explanation of how indices have changed, provide a simple means of determining the complexity of single refineries or refining regions. The impact of complexity on product slate is also examined in this paper.

Johnston, D. [Daniel Johnston and Co. Inc., Dallas, TX (United States)

1996-03-18T23:59:59.000Z

173

Atlas Finding Aid Contents/Index  

E-Print Network (OSTI)

Atlas Finding Aid Contents/Index A (1) City & State Atlas A (2) Astronomy Atlas A (3) U.S. Atlas A (8) Geologic Atlases A (9) Environment / Forest & Desert A (10) Historic Atlases A (11) World Atlases A (12) Canada and Russia A (13) Europe and the Middle East A (1) City & State Atlas 1. A (1) ALASKA

Ward, Karen

174

Multidimensional Index Structures in Relational Databases  

Science Conference Proceedings (OSTI)

Efficient query processing is one of the basic needs for data mining algorithms. Clustering algorithms, association rule mining algorithms and OLAP tools all rely on efficient query processors being able to deal with high-dimensional data. Inside such ... Keywords: multidimensional index, range query, relational database, similarity search

Christian Böhm; Stefan Berchtold; Hans-Peter Kriegel; Urs Michel

2000-07-01T23:59:59.000Z

175

The integration of Dow's Fire and Explosion Index into process design and optimization to achieve an inherently safer design  

E-Print Network (OSTI)

The integration of the safety parameter into process design and optimization is essential. However, there is no previous work in integrating the fire and explosion index (F&EI) into design and optimization. This research proposed a procedure for integrating safety into the design and optimization framework by using the safety parameter as optimization constraint. The method used in this research is Dow�s Fire and Explosion Index which is usually calculated manually. This research automates the calculation of F&EI. The ability to calculate the F&EI, to determine loss control credit factors and business interruption, and to perform process unit risk analysis are unique features of this F&EI program. In addition to F&EI calculation, the F&EI program provides descriptions of each item of the penalties, chemicals/materials databases, the flexibility to submit known chemical/material data to databases, and material factor calculations. Moreover, the sensitivity analyses are automated by generating charts and expressions of F&EI as a function of material inventory and pressure. The expression will be the focal point in the process of integrating F&EI into process design and optimization framework. The proposed procedure of integrating F&EI into process design and optimization framework is verified by applying it into reactor-distillation column system. The final result is the optimum economic and inherently safer design for the reactor and distillation column system.

Suardin, Jaffee Arizon

2005-08-01T23:59:59.000Z

176

Definition: Frequency-Domain Electromagnetic Survey | Open Energy  

Open Energy Info (EERE)

Electromagnetic Survey Electromagnetic Survey Jump to: navigation, search Dictionary.png Frequency-Domain Electromagnetic Survey Frequency-domain electromagnetic techniques are continuous wave field methods which enable the mapping of the electrical conductivity of the subsurface through electromagnetic induction.[1] Also Known As Controlled-Source EM References ↑ http://library.seg.org/doi/pdf/10.1190/1.1441531 Ret LikeLike UnlikeLike You like this.Sign Up to see what your friends like. rieved from "http://en.openei.org/w/index.php?title=Definition:Frequency-Domain_Electromagnetic_Survey&oldid=591411" Category: Definitions What links here Related changes Special pages Printable version Permanent link Browse properties About us Disclaimers Energy blogs Linked Data Developer services

177

Effective switching frequency multiplier inverter  

SciTech Connect

A switching frequency multiplier inverter for low inductance machines that uses parallel connection of switches and each switch is independently controlled according to a pulse width modulation scheme. The effective switching frequency is multiplied by the number of switches connected in parallel while each individual switch operates within its limit of switching frequency. This technique can also be used for other power converters such as DC/DC, AC/DC converters.

Su, Gui-Jia (Oak Ridge, TN); Peng, Fang Z. (Okemos, MI)

2007-08-07T23:59:59.000Z

178

Radio Frequency Engineering, MDE, Accelerator Operations and...  

NLE Websites -- All DOE Office Websites (Extended Search)

Home Teams Low-Level Radio Frequency Magnet Power Supplies, Pulsed Power Radio Frequency, High Voltage Technologies Radio Frequency Operations CONTACTS Group Leader Dan Rees Deputy...

179

Frequency Control Performance Measurement and Requirements  

E-Print Network (OSTI)

power systems operations could significantly influence primary frequency control.power system operations could not significantly influence primary frequency control.power system operations. Determination of frequency control

Illian, Howard F.

2011-01-01T23:59:59.000Z

180

Infrastructure Failure - Types and Frequency  

U.S. Energy Information Administration (EIA)

Infrastructure Failure - Types and Frequency. Small events that have no impact on supplies Events that require supply/demand responses Events that result in a ...

Note: This page contains sample records for the topic "interruption frequency index" 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

Time and Frequency Division Homepage  

Science Conference Proceedings (OSTI)

... Controlled ClocksTelephone TimeDivision HistoryFrequently Asked Questions (FAQ)Time and Frequency from A to Z: An illustrated glossaryA Walk ...

2013-12-27T23:59:59.000Z

182

Dynamic frequency allocation in fractional frequency reused OFDMA networks  

Science Conference Proceedings (OSTI)

This paper proposes a dynamic fractional frequency reused cell architecture that simplifies the problem of subcarrier allocation with frequency reuse in multicell OFDMA networks. The architecture divides the cell surface into two overlapping geographical ... Keywords: 3G, cellular networks, cross-layer adaptation, data networks, mobile communication systems, opportunistic scheduling, wireless communication

Syed Hussain Ali; Victor C. M. Leung

2009-08-01T23:59:59.000Z

183

An efficient CMAC neural network for stock index forecasting  

Science Conference Proceedings (OSTI)

Stock index forecasting is one of the major activities of financial firms and private investors in making investment decisions. Although many techniques have been developed for predicting stock index, building an efficient stock index forecasting model ... Keywords: Back-propagation neural network, Cerebellar model articulation controller, Neural network, Stock index forecasting, Support vector regression

Chi-Jie Lu; Jui-Yu Wu

2011-11-01T23:59:59.000Z

184

FIRST VERY LOW FREQUENCY DETECTION OF SHORT REPEATED BURSTS FROM MAGNETAR SGR J1550-5418  

Science Conference Proceedings (OSTI)

We report on the first detection of ionospheric disturbances caused by short repeated gamma-ray bursts from the magnetar SGR J1550-5418. Very low frequency (VLF) radio wave data obtained in South America clearly show sudden amplitude and phase changes at the corresponding times of eight soft gamma-ray repeater bursts. Maximum amplitude and phase changes of the VLF signals appear to be correlated with the gamma-ray fluence. On the other hand, VLF recovery timescales do not show any significant correlation with the fluence, possibly suggesting that the bursts' spectra are not similar to each other. In summary, Earth's ionosphere can be used as a very large gamma-ray detector and the VLF observations provide us with a new method to monitor high-energy astrophysical phenomena without interruption such as Earth occultation.

Tanaka, Y. T.; Takahashi, T. [Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan); Raulin, Jean-Pierre; Bertoni, Fernando C. P. [CRAAM, Presbyterian Mackenzie University, Sao Paulo (Brazil); Fagundes, P. R. [University of Vale do Paraiba, Sao Jose dos Campos (Brazil); Chau, J. [Radio Observatorio de Jicamarca, Instituto GeofIsico del Peru, Lima, Peru (Peru); Schuch, N. J. [INPE's Southern Regional Space Research Center, Santa Maria (Brazil); Hayakawa, M.; Hobara, Y. [University of Electro-Communications (Japan); Terasawa, T., E-mail: tanaka@astro.isas.jaxa.j [Institute for Cosmic Ray Research, University of Tokyo (Japan)

2010-09-20T23:59:59.000Z

185

Low Carbon Economy Index 2010 | Open Energy Information  

Open Energy Info (EERE)

Low Carbon Economy Index 2010 Low Carbon Economy Index 2010 Jump to: navigation, search Tool Summary Name: Low Carbon Economy Index 2010 Agency/Company /Organization: PricewaterhouseCoopers Sector: Energy, Land Topics: Co-benefits assessment, Low emission development planning Resource Type: Publications Website: www.pwc.co.uk/ Low Carbon Economy Index 2010 Screenshot References: Low Carbon Economy Index 2010[1] "PwC re-examines the progress of the G20 economies against the Low Carbon Achievement and Low Carbon Challenge Index. This post- Copenhagen report provides an update on the progress over 2009." Low Carbon Economy Index 2010 References ↑ "Low Carbon Economy Index 2010" Retrieved from "http://en.openei.org/w/index.php?title=Low_Carbon_Economy_Index_2010&oldid=3841

186

Stabilized radio-frequency quadrupole  

DOE Patents (OSTI)

A long-vane stabilized radio frequency resonator for accelerating charged particles and including means defining a radio frequency resonator cavity, a plurality of long vanes mounted in the defining means for dividing the cavity into sections, and means interconnecting opposing ones of the plurality of vanes for stabilizing the resonator.

Lancaster, H.D.; Fugitt, J.A.; Howard, D.R.

1982-09-29T23:59:59.000Z

187

Applicability of the Normalized Difference Vegetation Index (NDVI) in Index-Based Crop Insurance Design  

Science Conference Proceedings (OSTI)

Index insurance is becoming increasingly popular because of its ability to provide low-cost, relatively easy to implement agricultural insurance for vegetation types whose productivity has been notoriously difficult to measure and to farmers in ...

Calum G. Turvey; Megan K. Mclaurin

2012-10-01T23:59:59.000Z

188

ITD Site Index, Information Technology Division  

NLE Websites -- All DOE Office Websites (Extended Search)

ITD Site Index ITD Site Index Homepage | Contacts A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z A Account Management Account Registration Form After-hours Support Anti-Virus Protection Appropriate Use of Computer Systems Audio Conferencing B BNL Official Security Guidelines BNL Security Requirements BNL Web Calendars C Calendars Center For Data Intensive Computing (CSC) Change Control Board Change/Reset Passwords Conference Calling Contacts Cookies at BNL CRYPTOcards Cyber Security D Directory - ITD Contact List E Encrypted Email Access Enterprise Computing Event Calendars Events Registration Exchange Email F Feedback Form G H I Incident Reporting Hotline ITD Services J L Labmail Legacy Links Logon Banners M Mail from Blacklisted Sites Mailing Lists (Mailman)

189

Transportation Technical Environmental Information Center index  

SciTech Connect

In an effort to determine the environmental intensities to which energy materials in transit may be exposed, a Data Center of technical environmental information has been established by Sandia National Laboratories, Division 5523, for the DOE Office of Transportation Fuel Storage. This document is an index which can be used to request data of interest. Access to the information held is not limited to Sandia personnel. The purpose of the Transportation Technical Environmental Information Center is to collect, analyze, store, and make available descriptions of the environment of transportation expressed in engineering terms. The data stored in the Center are expected to be useful in a variety of transportation related analyses. Formulations of environmental criteria for shipment of cargo, risk assessments, and detailed structural analyses of shipping containers are examples where these data have been applied. For purposes of indexing and data retrieval, the data are catalogued under two major headings: Normal and Abnormal Environments.

Davidson, C. A.; Foley, J. T.

1980-10-01T23:59:59.000Z

190

Frequency Conversion of Entangled State  

E-Print Network (OSTI)

The quantum characteristics of sum-frequency process in an optical cavity with an input signal optical beam, which is a half of entangled optical beams, are analyzed. The calculated results show that the quantum properties of the signal beam can be maintained after its frequency is conversed during the intracavity nonlinear optical interaction. The frequency-conversed output signal beam is still in an entangled state with the retained other half of initial entangled beams. The resultant quantum correlation spectra and the parametric dependences of the correlations on the initial squeezing factor, the optical losses and the pump power of the sum-frequency cavity are calculated. The proposed system for the frequency conversion of entangled state can be used in quantum communication network and the calculated results can provide direct references for the design of experimental systems.

Aihong Tan; Xiaojun Jia; Changde Xie

2006-03-01T23:59:59.000Z

191

General Interest NIST Time and Frequency Publications  

Science Conference Proceedings (OSTI)

... Time and Frequency Users Manual A detailed ... Fundamentals of Time and Frequency An overview of ... Lombardi, The Mechatronics Handbook, 2001. ...

2012-01-31T23:59:59.000Z

192

High Frequency Power Modulation - TRIMET Smelters Provide ...  

Science Conference Proceedings (OSTI)

Presentation Title, High Frequency Power Modulation - TRIMET Smelters Provide Primary Control Power for Stabilizing the Frequency in the Electricity Grid.

193

Ivan Franko's novel Dlja domashnjoho ohnyshcha (For the Hearth) in the light of the frequency dictionary  

E-Print Network (OSTI)

In the article, the methodology and the principles of the compilation of the Frequency dictionary for Ivan Franko's novel Dlja domashnjoho ohnyshcha (For the Hearth) are described. The following statistical parameters of the novel vocabulary are obtained: variety, exclusiveness, concentration indexes, correlation between word rank and text coverage, etc. The main quantitative characteristics of Franko's novels Perekhresni stezhky (The Cross-Paths) and Dlja domashnjoho ohnyshcha are compared on the basis of their frequency dictionaries.

Buk, Solomiya

2010-01-01T23:59:59.000Z

194

AUTO ID FUTURE - FREQUENCY AGNOSTIC  

E-Print Network (OSTI)

Identification of information is one key to the development of intelligent decision systems of the future. Frequency agnostic automatic identification is only one step in the physical world to make physical objects identify ...

DATTA, SHOUMEN

195

Frequency regulator for synchronous generators  

DOE Patents (OSTI)

The present invention is directed to a novel frequency regulator which controls a generator output frequency for variations in both the input power to the generator and the power supplied to an uncontrolled external load. The present invention further includes over current and current balance protection devices which are relatively inexpensive to manufacture, which may be encapsulated to provide protection from the operating environment and which respond more quickly than previously known electromechanical devices.

Karlicek, Robert F. (1920 Camino Centroloma, Fullerton, CA 92633)

1982-01-01T23:59:59.000Z

196

Frequency regulator for synchronous generators  

DOE Patents (OSTI)

The present invention is directed to a novel frequency regulator which controls a generator output frequency for variations in both the input power to the generator and the power supplied to an uncontrolled external load. The present invention further includes over current and current balance protection devices which are relatively inexpensive to manufacture, which may be encapsulated to provide protection from the operating environment and which respond more quickly than previously known electromechanical devices. 11 figs.

Karlicek, R.F.

1982-08-10T23:59:59.000Z

197

Computer Index of Nuclear Reaction Data (CINDA)  

DOE Data Explorer (OSTI)

The Nuclear Reaction Data Centres Network (NRDC) is a world-wide cooperation of nuclear data centres, under the auspices of the International Atomic Energy Agency (IAEA), established to coordinate the collection, compilation, and dissemination of nuclear data on international scale. CINDA is the result of one of the tasks performed/maintained by this collaboration. CINDA contains bibliographic references to measurements, calculations, reviews, and evaluations of neutron cross-sections and other microscopic neutron data. It also includes index references to computer libraries of numerical neutron data available from four regional neutron data centers. Since 2005, the database includes photonuclear and charged-particle reactions.

198

Industrial production index forecast: Methods comparison  

Science Conference Proceedings (OSTI)

The purpose of this work is to investigate the suitability of different methods as short term forecast tools. It is studied and compared the application of the Kalman filter method with other forecasting methods when applied to a set of qualitative and quantitative information. The work data set is made of qualitative surveys of conjunture and the industrial production index (IPI). The objective is the attainment of short term forecast models for the Portuguese IPI of the transforming industry. After the previous treatment of the data

M. Filomena Teodoro

2012-01-01T23:59:59.000Z

199

PEV-Based Combined Frequency and Voltage Regulation for Smart Grid  

E-Print Network (OSTI)

PEV-Based Combined Frequency and Voltage Regulation for Smart Grid Chenye Wu, Student Member, IEEE benefit both users and utilities. Index Terms--Smart grid, plug-in electric vehicles, demand side the power grid by providing various ancillary services. In fact, recent studies have suggested that PEVs can

Wu, Chenye

200

The Mount Wilson Ca II K index  

E-Print Network (OSTI)

It is well established that both total and spectral solar irradiance are modulated by variable magnetic activity on the solar surface. However, there is still disagreement about the contribution of individual solar features for changes in the solar output, in particular over decadal time scales. Ionized Ca II K line spectroheliograms are one of the major resources for these long-term trend studies, mainly because such measurements have been available now for more than 100 years. In this paper we introduce a new Ca II K plage and active network index time series derived from the digitization of almost 40,000 photographic solar images that were obtained at the 60-foot solar tower, between 1915 and 1985, as a part of the monitoring program of the Mount Wilson Observatory. We describe here the procedure we applied to calibrate the images and the properties of our new defined index, which is strongly correlated to the average fractional area of the visible solar disk occupied by plages and active network. We show ...

Bertello, Luca; Boyden, John E; 10.1007/s11207-010-9570-z

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Guided wave methods and apparatus for nonlinear frequency generation  

DOE Patents (OSTI)

Methods and apparatus are disclosed for the nonlinear generation of sum and difference frequencies of electromagnetic radiation propagating in a nonlinear material. A waveguide having a waveguide cavity contains the nonlinear material. Phase matching of the nonlinear generation is obtained by adjusting a waveguide propagation constant, the refractive index of the nonlinear material, or the waveguide mode in which the radiation propagates. Phase matching can be achieved even in isotropic nonlinear materials. A short-wavelength radiation source uses phase-matched nonlinear generation in a waveguide to produce high harmonics of a pulsed laser.

Durfee, III, Charles G. (Ann Arbor, MI); Rundquist, Andrew (Austin, TX); Kapteyn, Henry C. (Ann Arbor, MI); Murnane, Margaret M. (Ann Arbor, MI)

2000-01-01T23:59:59.000Z

202

The Palmer Drought Severity Index: Limitations and Assumptions  

Science Conference Proceedings (OSTI)

The structure of the Palmer Drought Severity Index (PDSI), which is perhaps the most widely used regional index of drought, is examined. The PDSI addresses two of the most elusive properties of droughts: their intensity and their beginning and ...

William M. Alley

1984-07-01T23:59:59.000Z

203

Index of Energy Security Risk | Open Energy Information  

Open Energy Info (EERE)

Index of Energy Security Risk Index of Energy Security Risk Jump to: navigation, search Tool Summary Name: Index of Energy Security Risk Agency/Company /Organization: United States Chamber of Commerce, Institute for 21st Century Energy Sector: Energy Focus Area: Non-renewable Energy, Renewable Energy Topics: Co-benefits assessment, - Energy Security Resource Type: Publications Website: www.energyxxi.org/images/Energy_Index_2011_FINAL.pdf Cost: Free Index of Energy Security Risk Screenshot References: Index of Energy Security Risk[1] "This 2011 edition of the Index incorporates the most current energy data, including the Energy Information Administration's (EIA) Annual Energy Outlook 2011 (AEO 2011), to provide an up-to-date assessment of the trends having the greatest impact on energy security since the first Index was

204

Implicit Concept-based Image Indexing and Retrieval  

Science Conference Proceedings (OSTI)

This paper focuses on Implicit Concept-based Image Indexing and Retrieval (ICIIR), and the development of animproved method for the indexing and retrieval of images. The method involves the development of techniques to enablecomponents of an image to ...

I. A. Azzam; C. H. C. Leung; J. F. Horwood

2004-01-01T23:59:59.000Z

205

Ultraviolet Index Forecasts Issued by the National Weather Service  

Science Conference Proceedings (OSTI)

The National Weather Service (NWS), in collaboration with the Environmental Protection Agency (EPA), now issues an Ultraviolet (UV) index forecast. The UV index (UVI) is a mechanism by which the American public is forewarned of the next day's ...

Craig S. Long; Alvin J. Miller; Hai-Tien Lee; Jeannette D. Wild; Richard C. Przywarty; Drusilia Hufford

1996-04-01T23:59:59.000Z

206

Characteristics of spot-market rate indexes for truckload transportation  

E-Print Network (OSTI)

In the truckload transportation industry in the United States, a number of indexes are published that attempt to measure changes in rates, but no single index has emerged as an industry standard. Industry participants, ...

Bignell, Andrew (Andrew Souglas)

2013-01-01T23:59:59.000Z

207

Essays on Weather Indexed Insurance and Energy Use in Mexico  

E-Print Network (OSTI)

Indexed Insurance and Energy Use in Mexico by Alan Fuchs AIndexed Insurance and Energy Use in Mexico Copyright 2011 byIndexed Insurance and Energy Use in Mexico by Alan Fuchs

Fuchs, Alan

2011-01-01T23:59:59.000Z

208

A Rapid Loss Index for Tropical Cyclone Disasters in China  

Science Conference Proceedings (OSTI)

Disaster emergency response needs rapid estimation on disaster loss. In China it is of great importance to develop a loss index for rapidly assessing tropical cyclone (TC) disaster loss. In this paper, a new composite loss index for TC landing on China ... Keywords: Tropical Cyclone, Disaster, Loss Index, Rapid Loss Assessment

Ying Li; Weihua Fang

2012-06-01T23:59:59.000Z

209

Index structures for efficiently searching natural language text  

Science Conference Proceedings (OSTI)

Many existing indexes on text work at the document granularity and are not effective in answering the class of queries where the desired answer is only a term or a phrase. In this paper, we study some of the index structures that are capable of answering ... Keywords: indexing natural language text, querying performance, wild card queries

Pirooz Chubak; Davood Rafiei

2010-10-01T23:59:59.000Z

210

Generation and Evaluation of Indexes for Chemistry Articles  

Science Conference Proceedings (OSTI)

This paper describes AIMS (Assisted Indexing at Mississippi State), a system that aids human document analysts in the assignment of indexes to physical chemistry journal articles. There are two major components of AIMS—a natural language processing ... Keywords: automatic indexing, document analysis, user interface

Julia Hodges; Shiyun Yie; Sonal Kulkarni; Ray Reighart

1997-01-01T23:59:59.000Z

211

Efficient Update of Indexes for Dynamically Changing Web Documents  

Science Conference Proceedings (OSTI)

Recent work on incremental crawling has enabled the indexed document collection of a search engine to be more synchronized with the changing World Wide Web. However, this synchronized collection is not immediately searchable, because the keyword index ... Keywords: document management, indexing methods, web search

Lipyeow Lim; Min Wang; Sriram Padmanabhan; Jeffrey Scott Vitter; Ramesh Agarwal

2007-03-01T23:59:59.000Z

212

Scalable techniques for document identifier assignment in inverted indexes  

Science Conference Proceedings (OSTI)

Web search engines depend on the full-text inverted index data structure. Because the query processing performance is so dependent on the size of the inverted index, a plethora of research has focused on fast end effective techniques for compressing ... Keywords: documentID reassignment, index compression

Shuai Ding; Josh Attenberg; Torsten Suel

2010-04-01T23:59:59.000Z

213

Frequency  

Science Conference Proceedings (OSTI)

... noise terms are the result of environmental changes affecting ... respond to changes in environment, so this ... is probably of broadest concern, but some ...

2002-11-19T23:59:59.000Z

214

Electromagnetic Compatibility from a Time-Frequency Perspective  

E-Print Network (OSTI)

Abstract — In wireless communication, interference between two radio systems may occur when they operate at close frequency bands, sharing the same environment at the same time. Such systems coexist if both of them perform correctly in the presence of the other. To ensure their coexistence, Electromagnetic Compatibility (EMC) is used to specify rules within standardization bodies. According to current EMC standards, the radio spectrum has been divided into non-overlapping bands often with exclusive access. However, nowadays there is a proliferation of new digital systems sharing common frequency bands because the spectrum is a limited resource. Many of them are operating in unlicensed bands regulated by The International Telecommunications Union (ITU), for example the 2.45 GHz Industrial, Scientific and Medical (ISM) band. The frequency allocation is also changing with the emergence of digital systems and this is the case for white spaces in the broadcast television (TV) spectrum. To avoid high interference levels, it is necessary to consider some parameters related to signal variations, representing more accurately the environment. Some techniques have been proposed in the literature to reduce interference levels but they are applied to specific sharing studies. Hence, we evaluate in this paper the impact of time-frequency considerations for radio coexistence. We show that EMC studies are more precise and more representative of the reality when additional parameters relevant to the time domain are taken into account in the analysis framework. We illustrate these concepts through a specific study case. We evaluate the results for different system parameters, first considering that both of them occupy the same band and then assuming that they use overlapping but non-equal frequency bands. Index Terms — Radio coexistence, electromagnetic compatibility, frequency-domain analysis, time-domain analysis.

Najett Neji; Raul De Lacerda; Alain Azoulay; Thierry Letertre

2013-01-01T23:59:59.000Z

215

DOE NEPA Guidance and Requirements - Search Index | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE NEPA Guidance and Requirements - Search Index DOE NEPA Guidance and Requirements - Search Index DOE NEPA Guidance and Requirements - Search Index The DOE NEPA Guidance and Requirements - Search Index is a one-stop solution providing you with DOE's Guidance and Requirements documents combined into one file for easy download and use. The compressed (.zip) file contains all of these documents in their optimized and machine-readable format. The file also contains a "search index" that can be used to search for keywords and phrases in all the documents from one search form, without the need to install a separate program. Please direct any questions, comments, or feedback to: John.Jediny@hq.doe.gov Review the documents included in the Search Index as a List or Table NEPA Requirements and Guidance - Search Index.zip

216

Indexed STI Products | Scientific and Technical Information Program  

Office of Scientific and Technical Information (OSTI)

Electronic STI Products Electronic STI Products Indexed STI Products Print page Print page Email page Email page Benefits of Indexed Metadata and STI Products OSTI indexes metadata and STI products so the information is searchable, allowing users to retrieve relevant results in an effective and efficient manner. Indexing allows STI products to be included in appropriate databases for limited or unlimited access. Indexed information provides a means of locating and retrieving STI products from OSTI databases (e.g.SciTech Connect) and external search engines (e.g. Google, Bing, etc.); Through the use of an alerting system, indexing allows users to identify STI products as they become available; Allows users to determine granularity within data resources; By using authority controls whenever possible, indexing provides

217

DOE NEPA Guidance and Requirements - Search Index | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE NEPA Guidance and Requirements - Search Index DOE NEPA Guidance and Requirements - Search Index DOE NEPA Guidance and Requirements - Search Index The DOE NEPA Guidance and Requirements - Search Index is a one-stop solution providing you with DOE's Guidance and Requirements documents combined into one file for easy download and use. The compressed (.zip) file contains all of these documents in their optimized and machine-readable format. The file also contains a "search index" that can be used to search for keywords and phrases in all the documents from one search form, without the need to install a separate program. Please direct any questions, comments, or feedback to: John.Jediny@hq.doe.gov Review the documents included in the Search Index as a List or Table NEPA Requirements and Guidance - Search Index.zip

218

Power and Energy Measurements Low Frequency  

Science Conference Proceedings (OSTI)

... Power and Energy Measurements, Low-Frequency. Rate our Services. ... Power and Energy Measurements, Low-Frequency (56200C-56202C). ...

2013-06-24T23:59:59.000Z

219

Non-magnetic nano-composites for optical and infrared negative refraction index media  

E-Print Network (OSTI)

We develop an approach to use nanostructured plasmonic materials as a non-magnetic negative-refractive index system at optical and near-infrared frequencies. In contrast to conventional negative refraction materials, our design does not require periodicity and thus is highly tolerant to fabrication defects. Moreover, since the proposed materials are intrinsically non-magnetic, their performance is not limited to proximity of a resonance so that the resulting structure has relatively low loss. We develop the analytical description of the relevant electromagnetic phenomena and justify our analytic results via numerical solutions of Maxwell equations.

Robyn Wangberg; Justin Elser; Evgenii E. Narimanov; Viktor A. Podolskiy

2005-06-27T23:59:59.000Z

220

Frequency Dependence in Forecast Skill  

Science Conference Proceedings (OSTI)

A method is proposed to calculate measures of forecast skill for high, medium and low temporal frequency variations in the atmosphere. This method is applied to a series of 128 consecutive 1 to 10-day forecasts produced at NMC with their ...

H. M. van Den Dool; Suranjana Saha

1990-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Frequency agile optical parametric oscillator  

DOE Patents (OSTI)

The frequency agile OPO device converts a fixed wavelength pump laser beam to arbitrary wavelengths within a specified range with pulse to pulse agility, at a rate limited only by the repetition rate of the pump laser. Uses of this invention include Laser radar, LIDAR, active remote sensing of effluents/pollutants, environmental monitoring, antisensor lasers, and spectroscopy.

Velsko, Stephan P. (Livermore, CA)

1998-01-01T23:59:59.000Z

222

Frequency agile optical parametric oscillator  

DOE Patents (OSTI)

The frequency agile OPO device converts a fixed wavelength pump laser beam to arbitrary wavelengths within a specified range with pulse to pulse agility, at a rate limited only by the repetition rate of the pump laser. Uses of this invention include Laser radar, LIDAR, active remote sensing of effluents/pollutants, environmental monitoring, antisensor lasers, and spectroscopy. 14 figs.

Velsko, S.P.

1998-11-24T23:59:59.000Z

223

Indexes to Nuclear Regulatory Commission issuances, July--December 1996. Volume 44, Index 2  

SciTech Connect

Digests and indexes for issuances of the Commission (CLI), the Atomic Safety and Licensing Board Panel (LBP), the Administrative Law Judges (ALJ), the Directors` Decisions (DD), and the Decision on Petitions for Rulemaking (DPRM) are presented in this document. These digests and indexes are intended to serve as a guide to the issuances. Information elements common to the cases heard and ruled upon are: case name (owner(s) of facility); full text reference (volume and pagination); issuance number; issues raised by apellants; legal citations (cases, regulations, and statutes); name of facility, docket number; subject matter of issues and/or rulings; type of hearing (operating license, operating license amendment, etc.); type of issuance (memorandum, order, decision, etc.).

1997-04-01T23:59:59.000Z

224

1814 IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 44, NO. 6, JUNE 2009 A Bio-Inspired Active Radio-Frequency  

E-Print Network (OSTI)

: analysis time, power and hardware usage all scale linearly with , the number of output frequency bins cochlea designs with sharper rolloff slopes and lower group delay than prior all-pole versions. Index with position: The membrane gradually becomes wider and less stiff, and resonates at lower frequencies. Thus

Sarpeshkar, Rahul

225

Methods for Indexing Stripes in Uncoded Structured  

E-Print Network (OSTI)

This paper presents robust methods for determining the order of a sequence of stripes captured in an uncoded structured light scanning system, i.e. where all the stripes are projected with uniform colour, width and spacing. A single bitmap image shows a pattern of vertical stripes from a projected source, which are deformed by the surface of the target object. If a correspondence can be determined between the projected stripes and those captured in the bitmap, a spatial measurement of the surface can be derived using standard rangefinding methods. Previous work has uniquely encoded each stripe, such as by colour or width, in order to avoid ambiguous stripe identification. However, colour coding suffers due to uneven colour reflection, and a variable width code reduces the measured resolution. To avoid these problems, we simplify the projection as a uniform stripe pattern, and devise novel methods for correctly indexing the stripes, including a new common inclination constraint and occlusion classification. We give definitions of patches and the continuity of stripes, and measure the success of these methods. Thus we eliminate the need for coding, and reduce the accuracy required of the projected pattern; and, by dealing with stripe continuity and occlusions in a new manner, provide general methods which have relevance to many structured light problems.

Light Scanning Systems; Alan Robinson; Lyuba Alboul; Marcos Rodrigues

2004-01-01T23:59:59.000Z

226

An energy performance index for historic buildings  

E-Print Network (OSTI)

This thesis reports studies conducted on historic buildings from the 1880 to 1900 era. These buildings were recently renovated and many more years of service are expected. Derivation of an energy demand prediction index was the primary study goal. Texas Historic Commission files were a primary data source to probe the second study goal; definition of data base needs for technical studies using state historic office files. A statistically valid prediction equation was produced which covers buildings between 10,000 and 30,000 square feet in floor area. Buildings from Austin and Galveston, Texas were used in the derivation; thus, these findings are limited to climates similar to those locations. The second goal was also achieved since the file data available were sufficient to support the study. The input data file design provides a proven example for development of a final data base specification. Field audits validated method accuracy and reinforced the starting hypothesis, reused historic buildings are examples of sustainability in action. The massive construction of these buildings furnished 30?% of building energy demand. Also infiltration was found to be a minor energy demand factor for these climates. This last finding supports preserving historic windows and doors rather than replacing them with very efficient but historically inaccurate models.

Campbell, Scott

1991-01-01T23:59:59.000Z

227

Radio Frequency Identification Tags - Active Tags ...  

Selectable, license free, RF frequency bands; Ultra low power sleep mode; Miniaturized, encapsulated bendable packaging;

228

Radio frequency coaxial feedthrough device  

DOE Patents (OSTI)

A radio frequency coaxial vacuum feedthrough is provided which utilizes a cylindrical ceramic vacuum break formed of an alumina ceramic. The cylinder is coaxially disposed and brazed between tapered coaxial conductors to form a vacuum sealed connection between a pressurized upstream coaxial transmission line and a utilization device located within a vacuum container. The feedthrough provides 50 ohm matched impedance RF feedthrough up to about 500 MHz at power levels in the multimegawatt range.

Owens, Thomas L. (Kingston, TN); Baity, Frederick W. (Oak Ridge, TN); Hoffman, Daniel J. (Oak Ridge, TN); Whealton, John H. (Oak Ridge, TN)

1987-01-01T23:59:59.000Z

229

Variable frequency microwave furnace system  

DOE Patents (OSTI)

A variable frequency microwave furnace system designed to allow modulation of the frequency of the microwaves introduced into a furnace cavity for testing or other selected applications. The variable frequency microwave furnace system includes a microwave signal generator or microwave voltage-controlled oscillator for generating a low-power microwave signal for input to the microwave furnace. A first amplifier may be provided to amplify the magnitude of the signal output from the microwave signal generator or the microwave voltage-controlled oscillator. A second amplifier is provided for processing the signal output by the first amplifier. The second amplifier outputs the microwave signal input to the furnace cavity. In the preferred embodiment, the second amplifier is a traveling-wave tube (TWT). A power supply is provided for operation of the second amplifier. A directional coupler is provided for detecting the direction of a signal and further directing the signal depending on the detected direction. A first power meter is provided for measuring the power delivered to the microwave furnace. A second power meter detects the magnitude of reflected power. Reflected power is dissipated in the reflected power load. 5 figs.

Bible, D.W.; Lauf, R.J.

1994-06-14T23:59:59.000Z

230

Using the NEPA Requirements and Guidance - Search Index  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

the NEPA Requirements and Guidance - Search Index the NEPA Requirements and Guidance - Search Index Step 2: Entering a Search Term or Phrase 1. Locate the downloaded file, right click on it, select "Extract all", extract it to any location on your computer or USB drive. 2. Locate and Open the extracted folder "NEPA Requirements and Guidance - Search Index". 3. Locate and Open the .PDX file titled "Search - NEPA Requirements and Guidance" to open search form.

231

Index of /images/whole.frog/data/masks/animations  

NLE Websites -- All DOE Office Websites (Extended Search)

Index of imageswhole.frogdatamasksanimations Parent Directory animatedBloodMasks.gif animatedBrainMasks.gif animatedDuodenumMasks.gif animatedEyeMasks.gif...

232

Development and Practice of Blast Furnace Physical Heat Index ...  

Science Conference Proceedings (OSTI)

Application of Computational Thermodynamics in Solid Oxide Fuel Cell ... Heat Index Based on the Hot Metal Silicon Content and Temperature Prediction Model

233

Generic Text Summarization Using Probabilistic Latent Semantic Indexing  

E-Print Network (OSTI)

Generic Text Summarization Using Probabilistic Latent Semantic Indexing Harendra Bhandari Graduate School of Information Science Nara Institute of Science and Technology Nara 630-0192, Japan harendra

234

Index of /~jborwein/Expbook/Manuscript/Graphics files ... - CECM  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Graphics files/please_convert/Bert. Icon Name Last modified Size Description. [DIR] Parent Directory - [IMG] bert_p66.tiff ...

235

Index of /~jborwein/Expbook/Manuscript/Graphics files ... - CECM  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Graphics files/please_convert/AG. Icon Name Last modified Size Description. [DIR] Parent Directory - [IMG] borwein.j.ct2  ...

236

Index of /~jborwein/Expbook/Manuscript/Graphics files ... - CECM  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Graphics files/please_convert/ICM. Icon Name Last modified Size Description. [DIR] Parent Directory - [IMG] chern1.jpg ...

237

Index of /~jborwein/Expbook/Manuscript/Graphics files/ferguson ...  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Graphics files/ferguson/letterscans. Icon Name Last modified Size Description. [DIR] Parent Directory - [IMG] letter1.tiff ...

238

Index of /~jborwein/Expbook/Manuscript/Graphics files/ferguson  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Graphics files/ferguson. Icon Name Last modified Size Description. [DIR] Parent Directory - [IMG] 1.tiff 03-Mar-2003 ...

239

Science citation index information up to 1999 - CECM  

E-Print Network (OSTI)

Science citation index information up to 1999. Approximate number of annual citations (1990-99): 1990: 45 1991: 50 1992: 50 1993: 60 1994: 80 1995: 80 1996: ...

240

Empirical Analysis of Tortuosity Index of Polyimide Foam for ...  

Science Conference Proceedings (OSTI)

To this purpose, we assessed the correlation between such tortuosity index with other structural ... Deploying Carbon Fiber in High Volume Energy Applications.

Note: This page contains sample records for the topic "interruption frequency index" 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

Structures with Negative Refractive Index for Applications in ...  

Iowa State University and Ames Laboratory researchers have developed materials and structures with a negative refractive index that potentially open new frontiers in ...

242

Essays on Weather Indexed Insurance and Energy Use in Mexico  

E-Print Network (OSTI)

Multipliers: PROCAMPO in Mexico”, World Development Vol. 29,a Randomized Experiment in Mexico". Yale University, workingIndex Insurance: The Case of Mexico. ” American Journal of

Fuchs, Alan

2011-01-01T23:59:59.000Z

243

Regulatory and technical reports (abstract index journal): Annual compilation for 1994. Volume 19, Number 4  

SciTech Connect

This compilation consists of bibliographic data and abstracts for the formal regulatory and technical reports issued by the US Nuclear Regulatory Commission (NRC) Staff and its contractors. It is NRC`s intention to publish this compilation quarterly and to cumulate it annually. The main citations and abstracts in this compilation are listed in NUREG number order. These precede the following indexes: secondary report number index, personal author index, subject index, NRC originating organization index (staff reports), NRC originating organization index (international agreements), NRC contract sponsor index (contractor reports), contractor index, international organization index, and licensed facility index. A detailed explanation of the entries precedes each index.

NONE

1995-03-01T23:59:59.000Z

244

A Self-Calibrating Palmer Drought Severity Index  

Science Conference Proceedings (OSTI)

The Palmer Drought Severity Index (PDSI) has been used for more than 30 years to quantify the long-term drought conditions for a given location and time. However, a common critique of the PDSI is that the behavior of the index at various ...

Nathan Wells; Steve Goddard; Michael J. Hayes

2004-06-01T23:59:59.000Z

245

Semi-supervised cast indexing for feature-length films  

Science Conference Proceedings (OSTI)

Cast indexing is a very important application for content-based video browsing and retrieval, since the characters in feature-length films and TV series are always the major focus of interest to the audience. By cast indexing, we can discover the main ...

Wei Fan; Tao Wang; JeanYves Bouguet; Wei Hu; Yimin Zhang; Dit-Yan Yeung

2007-01-01T23:59:59.000Z

246

The Evaluation Index System and Method of Sustainable Uranium Development  

Science Conference Proceedings (OSTI)

Under the construction of sustainable development index system of uranium, I use factor analysis in the study of the Henan Province in 2000, 2003 and 2006, the uranium resources for sustainable development of the situation. The conclusion is: from the ... Keywords: evaluation index system, evaluation method, sustainable uranium development

Chenggang Gong; Songlin Liu

2009-01-01T23:59:59.000Z

247

The interannual variability of the Haines Index over North America  

Science Conference Proceedings (OSTI)

The Haines Index (HI) is a fire-weather index that is widely used as an indicator of the potential for dry, low-static stability air in the lower atmosphere to contribute to erratic fire behavior or large fire growth. This study examines the ...

Lejiang Yu; Shiyuan Zhong; Xindi Bian; Warren E. Heilman; Joseph J. Charney

248

A New Empirical Model of the Temperature–Humidity Index  

Science Conference Proceedings (OSTI)

A simplified scale of apparent temperature, considering only dry-bulb temperature and humidity, has become known as the temperature–humidity index (THI). The index was empirically constructed and was presented in the form of a table. It is often ...

Carl Schoen

2005-09-01T23:59:59.000Z

249

Remote Sensing Of Photosynthetic Processes By Photochemical Reflectance Index (PRI)  

Science Conference Proceedings (OSTI)

The Photochemical Reflectance Index (PRI) has been proposed as a tool for the estimation of leaf and canopy light?use efficiency and photosynthesis from remote?sensing data. The application of the index is based on more than fifteen years of spectroscopic studies at the leaf level

S. Raddi; S. Cortes; E. Vicinelli; F. Magnani

2006-01-01T23:59:59.000Z

250

Multifaceted conceptual image indexing on the world wide web  

Science Conference Proceedings (OSTI)

In this paper, we describe a user-centered design of an automated multifaceted concept-based indexing framework which analyzes the semantics of the Web image contextual information and classifies it into five broad semantic concept facets: signal, object, ... Keywords: Conceptual image indexing, Content analysis, Semantic facets, User-centered design, WWW contextual information

Fariza Fauzi; Mohammed Belkhatir

2013-03-01T23:59:59.000Z

251

The Evaluation of Idaho Wildfire Growth Using the Haines Index  

Science Conference Proceedings (OSTI)

An atmospheric index specifically designed to be related to the growth of wildland fires is evaluated for two recent Idaho fires. The index includes terms related to high midlevel lapse rates and low-level dry air. In the cases examined, the ...

Paul Werth; Richard Ochoa

1993-06-01T23:59:59.000Z

252

Information flow between composite stock index and individual stocks  

E-Print Network (OSTI)

We investigate the strength and the direction of information transfer in the U.S. stock market between the composite stock price index of stock market and prices of individual stocks using the transfer entropy. Through the directionality of the information transfer, we find that individual stocks are influenced by the index of the market.

Kwon, Okyu

2007-01-01T23:59:59.000Z

253

Scalable distributed indexing and query processing over Linked Data  

Science Conference Proceedings (OSTI)

Linked Data is becoming the core part of modern Web applications and thus efficient access to structured information expressed in RDF gains paramount importance. A number of efficient local RDF stores exist already, while distributed indexing and distributed ... Keywords: Decentralized data management, Distributed indexing, Distributed storage, Linked Data, Query processing, Structured queries

Marcel Karnstedt; Kai-Uwe Sattler; Manfred Hauswirth

2012-01-01T23:59:59.000Z

254

Benchmarking telecoms regulation - The Telecommunications Regulatory Governance Index (TRGI)  

Science Conference Proceedings (OSTI)

In this study an index of the effectiveness of the institutional design of telecommunication regulators for 142 countries that belong to the International Telecommunications Union is produced. This index - the Telecommunications Regulatory Governance ... Keywords: Benchmarking, Country-wide governance, Telecoms regulation

Leonard Waverman; Pantelis Koutroumpis

2011-06-01T23:59:59.000Z

255

Technology achievement index 2009: ranking and comparative study of nations  

Science Conference Proceedings (OSTI)

Ranking of 91 countries based on the Technology Achievement Index 2009 (TAI-09) (2009 refers to the year in which most of data collection was carried out.) is reported. Originally proposed in 2002, the TAI is a composite indicator which aggregates national ... Keywords: Human skills, Technology achievement index, Technology capability, Technology capability spread, Technology creation, Technology development, Technology diffusion

Anthony Nasir; Tariq Mahmood Ali; Sheikh Shahdin; Tariq Ur Rahman

2011-04-01T23:59:59.000Z

256

Interactive montages of sprites for indexing and summarizing security video  

E-Print Network (OSTI)

In this video we present a new model of interaction for indexing and visualizing video in the context of security applications. We wish to index security video that contains relatively rare but important events, such as security video taken from large public or industrial facilities (e.g. a nuclear power plant) or exterior home security video from a residential neighborhood. We present a method of indexing video by arranging irregularly shaped icons or sprites into a montage representing motion events or security events within the original video scene. The sprites in the montage are used as an index into the original video. We also generate video montages to summarize video in which motion events are compressed and overlayed in a video of shorter time duration. This summary video also acts as an index into the original video stream.

Chris Pal; Nebojsa Jojic

2005-01-01T23:59:59.000Z

257

Abelianization of BPS Quivers and the Refined Higgs Index  

E-Print Network (OSTI)

We count Higgs "phase" BPS states of general non-Abelian quiver, possibly with loops, by mapping the problem to its Abelian, or toric, counterpart and imposing Weyl invariance later. Precise Higgs index computation is particularly important for quivers with superpotentials; the Coulomb "phase" index is recently shown to miss important BPS states, dubbed intrinsic Higgs states or quiver invariants. We demonstrate how the refined Higgs index is naturally decomposed to a sum over partitions of the charge. We conjecture, and show in simple cases, that this decomposition expresses the Higgs index as a sum over a set of partition-induced Abelian quivers of the same total charge but generically of smaller rank. Unlike the previous approach inspired by a similar decomposition of the Coulomb index, our formulae compute the quiver invariants directly, and thus offer a self-complete routine for counting BPS states.

Seung-Joo Lee; Zhao-Long Wang; Piljin Yi

2013-10-04T23:59:59.000Z

258

Radio frequency sustained ion energy  

SciTech Connect

Electromagnetic (E.M.) energy injection method and apparatus for producing and sustaining suprathermal ordered ions in a neutral, two-ion-species, toroidal, bulk equilibrium plasma. More particularly, the ions are produced and sustained in an ordered suprathermal state of existence above the average energy and velocity of the bulk equilibrium plasma by resonant rf energy injection in resonance with the natural frequency of one of the ion species. In one embodiment, the electromagnetic energy is injected to clamp the energy and velocity of one of the ion species so that the ion energy is increased, sustained, prolonged and continued in a suprathermal ordered state of existence containing appreciable stored energy that counteracts the slowing down effects of the bulk equilibrium plasma drag. Thus, selective deuteron absorption may be used for ion-tail creation by radio-frequency excitation alone. Also, the rf can be used to increase the fusion output of a two-component neutral injected plasma by selective heating of the injected deuterons.

Jassby, Daniel L. (Princeton, NJ); Hooke, William M. (Princeton, NJ)

1977-01-01T23:59:59.000Z

259

Frequency synthesis using MEMS piezoelectric resonators  

E-Print Network (OSTI)

(cont.) Ultimately, this thesis presents two approaches to frequency synthesizer design. The first uses frequency windows of approximately 200 MHz. The 800 MHz to 1 GHz matching network is presented in detail along with ...

Calhoun, Paul Jacob, 1979-

2004-01-01T23:59:59.000Z

260

Definition: Frequency Bias Setting | Open Energy Information  

Open Energy Info (EERE)

Frequency Bias, Balancing Authority, frequency response, smart grid References Glossary of Terms Used in Reliability Standards An inl LikeLike UnlikeLike You like this.Sign...

Note: This page contains sample records for the topic "interruption frequency index" 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

Universal Frequency Spectra of Surface Meteorological Fluctuations  

Science Conference Proceedings (OSTI)

Statistical characteristics of surface meteorology are examined in terms of frequency spectra. According to a recent work using hourly data over 50 yr in the Antarctic, the frequency spectra have a characteristic shape proportional to two ...

Chikara Tsuchiya; Kaoru Sato; Tomoe Nasuno; Akira T. Noda; Masaki Satoh

2011-09-01T23:59:59.000Z

262

A Study of Target Frequency Bond for Frequency Control Performance Score Calculations in an Isolated System.  

E-Print Network (OSTI)

??Power system frequency is one of the key performance indices of system operation. Abnormal frequency deviations would incur negative impacts to power equipments and service… (more)

Lee, Hung-hsi

2010-01-01T23:59:59.000Z

263

Heterodyne laser instantaneous frequency measurement system  

DOE Patents (OSTI)

A heterodyne laser instantaneous frequency measurement system is disclosed. The system utilizes heterodyning of a pulsed laser beam with a continuous wave laser beam to form a beat signal. The beat signal is processed by a controller or computer which determines both the average frequency of the laser pulse and any changes or chirp of the frequency during the pulse.

Wyeth, Richard W. (Livermore, CA); Johnson, Michael A. (Pleasanton, CA); Globig, Michael A. (Livermore, CA)

1990-01-01T23:59:59.000Z

264

Heterodyne laser instantaneous frequency measurement system  

DOE Patents (OSTI)

A heterodyne laser instantaneous frequency measurement system is disclosed. The system utilizes heterodyning of a pulsed laser beam with a continuous wave laser beam to form a beat signal. The beat signal is processed by a controller or computer which determines both the average frequency of the laser pulse and any changes or chirp of th frequency during the pulse.

Wyeth, Richard W. (Livermore, CA); Johnson, Michael A. (Pleasanton, CA); Globig, Michael A. (Livermore, CA)

1989-01-01T23:59:59.000Z

265

A radio frequency coaxial feedthrough  

DOE Patents (OSTI)

An improved radio frequency coaxial transmission line vacuum feedthrough is provided based on the use of a half-wavelength annular dielectric pressure barrier disk, or multiple disks comprising an effective half wavelength structure to eliminate reflection from the barrier surfaces. Gas-tight seals are formed about the outer and inner diameter surfaces of the barrier disk using a sealing technique which generates radial forces sufficient to form seals by forcing the conductor walls against the surfaces of the barrier disks in a manner which does not deform the radii of the inner and outer conductors, thereby preventing enhancement of the electric field at the barrier faces which limits the voltage and power handling capabilities of a feedthrough.

Owens, T.L.

1987-12-07T23:59:59.000Z

266

Multi-Level Bitmap Indexes for Flash Memory Storage  

SciTech Connect

Due to their low access latency, high read speed, and power-efficient operation, flash memory storage devices are rapidly emerging as an attractive alternative to traditional magnetic storage devices. However, tests show that the most efficient indexing methods are not able to take advantage of the flash memory storage devices. In this paper, we present a set of multi-level bitmap indexes that can effectively take advantage of flash storage devices. These indexing methods use coarsely binned indexes to answer queries approximately, and then use finely binned indexes to refine the answers. Our new methods read significantly lower volumes of data at the expense of an increased disk access count, thus taking full advantage of the improved read speed and low access latency of flash devices. To demonstrate the advantage of these new indexes, we measure their performance on a number of storage systems using a standard data warehousing benchmark called the Set Query Benchmark. We observe that multi-level strategies on flash drives are up to 3 times faster than traditional indexing strategies on magnetic disk drives.

Wu, Kesheng; Madduri, Kamesh; Canon, Shane

2010-07-23T23:59:59.000Z

267

WIDE BAND REGENERATIVE FREQUENCY DIVIDER AND MULTIPLIER  

DOE Patents (OSTI)

A regenerative frequency divider and multiplier having wide band input characteristics is presented. The circuit produces output oscillations having frequencies related by a fixed ratio to input oscillations over a wide band of frequencies. In accomplishing this end, the divider-multiplier includes a wide band input circuit coupled by mixer means to a wide band output circuit having a pass band related by a fixed ratio to that of the input circuit. A regenerative feedback circuit derives a fixed frequency ratio feedback signal from the output circuit and applies same to the mixer means in proper phase relation to sustain fixed frequency ratio oscillations in the output circuit.

Laine, E.F.

1959-11-17T23:59:59.000Z

268

Determination of Rainfall with the ESOC Precipitation Index  

Science Conference Proceedings (OSTI)

A validation of the ESOC (European Space 0Perations Centre) Precipitation Index (EPI) is carried out by comparing satellite data with observed rainfall in five African countries to determine the ability of estimating accumulated precipitation ...

Olli M. Turpeinen; Azzouz Abidi; Wahid Belhouane

1987-11-01T23:59:59.000Z

269

Monitoring the 1996 Drought Using the Standardized Precipitation Index  

Science Conference Proceedings (OSTI)

Droughts are difficult to detect and monitor. Drought indices, most commonly the Palmer Drought Severity Index (PDSI), have been used with limited success as operational drought monitoring tools and triggers for policy responses. Recently, a new ...

Michael J. Hayes; Mark D. Svoboda; Donald A. Wilhite; Olga V. Vanyarkho

1999-03-01T23:59:59.000Z

270

Project Definition Rating Index (PDRI) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Project Definition Rating Index (PDRI) Project Definition Rating Index (PDRI) Project Definition Rating Index (PDRI) The Office of Environmental Management (EM) Project Definition Rating Index (EM-PDRI) is a modification of a commercially developed planning tool that has been tested by an EM team specifically for EM's projects. EM-PDRI Team members represent a number of EM sites, and have already used this project planning tool successfully. The EM-PDRI examines a wide range of project factors related to cost, scope, and schedule, and develops a numerical score as a measure of how well these factors are defined. It applies to all of EM's projects including Traditional/Construction; Environmental Remediation; and Facility Disposition (including Transition, Deactivation, and Decommissioning). If you have questions about the EM-PDRI, please

271

DOE NEPA Guidance and Requirements - Search Index - Table of Contents |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE NEPA Guidance and Requirements - Search Index - Table of DOE NEPA Guidance and Requirements - Search Index - Table of Contents DOE NEPA Guidance and Requirements - Search Index - Table of Contents Return to Download Page The DOE NEPA Guidance and Requirements - Search Index includes: NEPA Guidance and Requirements Documents Issued by Published A Brief Guide - DOE-wide Contracts For NEPA Documentation DOE 2003 A Citizen's Guide to the NEPA - Having Your Voice Heard CEQ 2007 A Resource Handbook on DOE Transportation Risk Assessment DOE 2002 Actions During the NEPA Process - Interim Actions DOE 2003 Administrative Record Guidance DOJ 1991 Aligning the NEPA Process with EMS CEQ 2007 Alternative Actions For Analysis in Site-wide NEPA Reviews DOE 1992 Amended Environmental Impact Statement Filing System Guidance EPA 2012 Analysis of Impacts on Prime and Unique Agricultural Lands and NEPA

272

EIA Energy Efficiency-Table 4f. Industrial Production Indexes...  

Annual Energy Outlook 2012 (EIA)

f Page Last Modified: May 2010 Table 4f. Industrial Production Indexes by Selected Industries, 1998, 2002, and 2006 (2000 100) MECS Survey Years NAICS Subsector and Industry 1998...

273

Another Look at the Refractive Index Structure Function  

Science Conference Proceedings (OSTI)

This paper discusses the derivation of the refractive index structure function. It shows that the traditional formulation, which is based on the hydrostatic assumption, leads to increasing errors with height when compared with a formulation that ...

T. Cherubini; S. Businger

2013-02-01T23:59:59.000Z

274

An Indexed Bibliography of Genetic Algorithms EvoNet Members  

E-Print Network (OSTI)

s: Jan. 1993 -- Feb. 1995 ffl CCA: Computer & Control Abstracts: Jan. 1992 -- Mar. 1996 (except May-95) ffl CTI: Current Technology Index Jan./Feb. 1993 -- Jan./Feb. 1994 ffl DAI: Dissertation Abstracts International: Vol. 53 No. 1 -- Vol. 56 No. 10 (Apr. 1996) ffl EEA: Electrical & Electronics Abstracts: Jan. 1991 -- Mar. 1996 ffl P: Index to Scientific & Technical Proceedings: Jan. 1986 -- Mar. 1996 (except Nov. 1994) ffl A: International Aerospace Abstracts: Jan. 1995 -- May 1995 ffl N: Scientific and Technical Aerospace Reports: Jan. 1993 - Dec. 1995 (except Oct. 1995) ffl EI A: The Engineering Index Annual: 1987 -- 1992 ffl EI M: The Engineering Index Monthly: Jan. 1993 -- Mar. 1996 1.1 Your contributions erroneous or missing? This bibliography is updated on a regular basis and certainly contains many errors and inconsistences. The editor would be glad to hear from any reader who notices any errors, missing information, articles etc. In the future a more complete versio...

Compiled By Jarmo; Jarmo T. Alander

1995-01-01T23:59:59.000Z

275

Center vortices and the Atiyah-Singer index theorem  

SciTech Connect

The lattice index theorem is checked for classical center vortices. For non-orientable spherical vortices, lattice results differ from continuum-based expectations, possibly because of coarse discretization.

Jordan, Gerald; Pullirsch, Rainer; Faber, Manfried [Atomic Institute, Vienna University of Technology, Wiedner Hauptstr. 8-10, 1040 Vienna (Austria); Heller, Urs [American Physical Society, One Research Road, Box 9000, Ridge, NY 11961-9000 (United States)

2007-02-27T23:59:59.000Z

276

B-tree indexes for high update rates  

Science Conference Proceedings (OSTI)

In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering using automated sensors often exhibits this imbalance. More generally, indexing ...

Goetz Graefe

2006-03-01T23:59:59.000Z

277

MJO Initiation in the Real-Time Multivariate MJO Index  

Science Conference Proceedings (OSTI)

Madden–Julian oscillation (MJO) initiation in the real-time multivariate MJO (RMM) index is explored through an analysis of observed case studies and composite events. Specific examples illustrate that both the dates of MJO initiation and the ...

Katherine H. Straub

2013-02-01T23:59:59.000Z

278

Accurate nanofabrication techniques for high-index-contrast microphotonic devices  

E-Print Network (OSTI)

High-refractive-index-contrast microphotonic devices provide strong light confinement allowing for sharp waveguide bends and small dielectric optical resonators. They allow dense optical integration and unique applications ...

Barwicz, Tymon

2005-01-01T23:59:59.000Z

279

Active negative-index metamaterial powered by an electron beam  

E-Print Network (OSTI)

An active negative index metamaterial that derives its gain from an electron beam is introduced. The metamaterial consists of a stack of equidistant parallel metal plates perforated by a periodic array of holes shaped as ...

Shapiro, Michael

280

A Refractive Index Mapping Operator for Assimilation of Occultation Data  

Science Conference Proceedings (OSTI)

This paper describes the details of a fast, linear, forward-inverse refractive index mapping operator that can be used for assimilation of occultation data of various kinds into NWP models. Basically, the mapping consists of the integration of ...

Stig Syndergaard; E. Robert Kursinski; Benjamin M. Herman; Emily M. Lane; David E. Flittner

2005-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Using the NEPA Requirements and Guidance - Search Index  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

the NEPA Requirements and Guidance - Search Index Step 2: Entering a Search Term or Phrase 1. Locate the downloaded file, right click on it, select "Extract all", extract it to any...

282

A Nonparametric Multivariate Multi-Index Drought Monitoring Framework  

Science Conference Proceedings (OSTI)

Accurate and reliable drought monitoring is essential to drought mitigation efforts and reduction of social vulnerability. A variety of indices, such as the Standardized Precipitation Index (SPI), are used for drought monitoring based on different ...

Zengchao Hao; Amir AghaKouchak

283

Parallel In Situ Indexing for Data-intensive Computing  

Science Conference Proceedings (OSTI)

As computing power increases exponentially, vast amount of data is created by many scientific re- search activities. However, the bandwidth for storing the data to disks and reading the data from disks has been improving at a much slower pace. These two trends produce an ever-widening data access gap. Our work brings together two distinct technologies to address this data access issue: indexing and in situ processing. From decades of database research literature, we know that indexing is an effective way to address the data access issue, particularly for accessing relatively small fraction of data records. As data sets increase in sizes, more and more analysts need to use selective data access, which makes indexing an even more important for improving data access. The challenge is that most implementations of in- dexing technology are embedded in large database management systems (DBMS), but most scientific datasets are not managed by any DBMS. In this work, we choose to include indexes with the scientific data instead of requiring the data to be loaded into a DBMS. We use compressed bitmap indexes from the FastBit software which are known to be highly effective for query-intensive workloads common to scientific data analysis. To use the indexes, we need to build them first. The index building procedure needs to access the whole data set and may also require a significant amount of compute time. In this work, we adapt the in situ processing technology to generate the indexes, thus removing the need of read- ing data from disks and to build indexes in parallel. The in situ data processing system used is ADIOS, a middleware for high-performance I/O. Our experimental results show that the indexes can improve the data access time up to 200 times depending on the fraction of data selected, and using in situ data processing system can effectively reduce the time needed to create the indexes, up to 10 times with our in situ technique when using identical parallel settings.

Kim, Jinoh; Abbasi, Hasan; Chacon, Luis; Docan, Ciprian; Klasky, Scott; Liu, Qing; Podhorszki, Norbert; Shoshani, Arie; Wu, Kesheng

2011-09-09T23:59:59.000Z

284

Integrally formed radio frequency quadrupole  

DOE Patents (OSTI)

An improved radio frequency quadrupole (10) is provided having an elongate housing (11) with an elongate central axis (12) and top, bottom and two side walls (13a-d) symmetrically disposed about the axis, and vanes (14a-d) formed integrally with the walls (13a-d), the vanes (14a-d) each having a cross-section at right angles to the central axis (12) which tapers inwardly toward the axis to form electrode tips (15a-d) spaced from each other by predetermined distances. Each of the four walls (13a-d), and the vanes (14a-d) integral therewith, is a separate structural element having a central lengthwise plane (16) passing through the tip of the vane, the walls (13a-d) having flat mounting surfaces (17, 18) at right angles to and parallel to the control plane (16), respectively, which are butted together to position the walls and vane tips relative to each other.

Abbott, Steven R. (Concord, CA)

1989-01-01T23:59:59.000Z

285

FastQuery: A Parallel Indexing System for Scientific Data  

SciTech Connect

Modern scientific datasets present numerous data management and analysis challenges. State-of-the- art index and query technologies such as FastBit can significantly improve accesses to these datasets by augmenting the user data with indexes and other secondary information. However, a challenge is that the indexes assume the relational data model but the scientific data generally follows the array data model. To match the two data models, we design a generic mapping mechanism and implement an efficient input and output interface for reading and writing the data and their corresponding indexes. To take advantage of the emerging many-core architectures, we also develop a parallel strategy for indexing using threading technology. This approach complements our on-going MPI-based parallelization efforts. We demonstrate the flexibility of our software by applying it to two of the most commonly used scientific data formats, HDF5 and NetCDF. We present two case studies using data from a particle accelerator model and a global climate model. We also conducted a detailed performance study using these scientific datasets. The results show that FastQuery speeds up the query time by a factor of 2.5x to 50x, and it reduces the indexing time by a factor of 16 on 24 cores.

Chou, Jerry; Wu, Kesheng; Prabhat,

2011-07-29T23:59:59.000Z

286

The Sensitivity of the Palmer Drought Severity Index and Palmer's Z-Index to their Calibration Coefficients Including Potential Evapotranspiration  

Science Conference Proceedings (OSTI)

The Palmer Drought Severity Index (PDSI) is routinely made available by NOAA for operational use, and it has also been calculated across the United States on a historical basis back to 1895 (Karl et al., 1983). Traditionally, the coefficients ...

Thomas R. Karl

1986-01-01T23:59:59.000Z

287

Relaxation dynamics of aftershocks after large volatility shocks in the SSEC index  

E-Print Network (OSTI)

The relaxation dynamics of aftershocks after large volatility shocks are investigated based on two high-frequency data sets of the Shanghai Stock Exchange Composite (SSEC) index. Compared with previous relevant work, we have defined main financial shocks based on large volatilities rather than large crashes. We find that the occurrence rate of aftershocks with the magnitude exceeding a given threshold for both daily volatility (constructed using 1-minute data) and minutely volatility (using intra-minute data) decays as a power law. The power-law relaxation exponent increases with the volatility threshold and is significantly greater than 1. Taking financial volatility as the counterpart of seismic activity, the power-law relaxation in financial volatility deviates remarkably from the Omori law in Geophysics.

Mu, Guo-Hua

2007-01-01T23:59:59.000Z

288

Frequency modulation drive for a piezoelectric motor  

DOE Patents (OSTI)

A piezoelectric motor has peak performance at a specific frequency f.sub.1 that may vary over a range of frequencies. A drive system is disclosed for operating such a motor at peak performance without feedback. The drive system consists of the motor and an ac source connected to power the motor, the ac source repeatedly generating a frequency over a range from f.sub.1 -.DELTA.x to f.sub.1 +.DELTA.y.

Mittas, Anthony (Albuquerque, NM)

2001-01-01T23:59:59.000Z

289

SIM Time and Frequency Working Group  

Science Conference Proceedings (OSTI)

... SIM Time and Frequency Metrology Course at INTI. Buenos Aires, Argentina (February 4th through February 7th, 2008). Schedule in PDF format. ...

290

SIM Time and Frequency Working Group  

Science Conference Proceedings (OSTI)

... file). Schedule and Slides from Time and Frequency Metrology Course in Buenos Aires, Argentina (2/4/08 to 02/07/08). Schedule ...

291

NIST Time and Frequency Division 1994 - Technical ...  

Science Conference Proceedings (OSTI)

... In three dimensions, the zero-point energy (n x =n y =n z = 0 ... During the last year, Richard Fox of the Optical Frequency Measurements Group has ...

292

Massive-scale RDF Processing Using Compressed Bitmap Indexes  

SciTech Connect

The Resource Description Framework (RDF) is a popular data model for representing linked data sets arising from the web, as well as large scienti#12;c data repositories such as UniProt. RDF data intrinsically represents a labeled and directed multi-graph. SPARQL is a query language for RDF that expresses subgraph pattern-#12;nding queries on this implicit multigraph in a SQL- like syntax. SPARQL queries generate complex intermediate join queries; to compute these joins e#14;ciently, we propose a new strategy based on bitmap indexes. We store the RDF data in column-oriented structures as compressed bitmaps along with two dictionaries. This paper makes three new contributions. (i) We present an e#14;cient parallel strategy for parsing the raw RDF data, building dictionaries of unique entities, and creating compressed bitmap indexes of the data. (ii) We utilize the constructed bitmap indexes to e#14;ciently answer SPARQL queries, simplifying the join evaluations. (iii) To quantify the performance impact of using bitmap indexes, we compare our approach to the state-of-the-art triple-store RDF-3X. We #12;nd that our bitmap index-based approach to answering queries is up to an order of magnitude faster for a variety of SPARQL queries, on gigascale RDF data sets.

Madduri, Kamesh; Wu, Kesheng

2011-05-26T23:59:59.000Z

293

The Development of a Warm-Weather Relative Stress Index for Environmental Applications  

Science Conference Proceedings (OSTI)

The heat stress index (HSI) is a new, comprehensive summer index that evaluates daily relative stress for locations throughout the United States based on deviations from the norm. The index is based on apparent temperature and other derived ...

Jill D. Watts; Laurence S. Kalkstein

2004-04-01T23:59:59.000Z

294

Indexing STI Products | Scientific and Technical Information Program  

Office of Scientific and Technical Information (OSTI)

Indexing STI Products Indexing STI Products Print page Print page Email page Email page Indexed Data Fields Field Name OSTI Databases SciTech Connect Science Research Connection Authors x x Availability x x Conference Information x x Country x x Description/Abstract x x Descriptors x x DOE Contract Numbers x x Digital Object Identifier (DOI) x x Full-text x x Journal Issue x x Journal Name x x Journal Volume x x Keywords x x Language x x OSTI ID x x Patent Information x x Product Type x x Publisher Information x x Publication Date x x Reference Numbers x x Related Document Information x x Release Other x x Report Numbers x x Research Orgaization x x Subject Category Code Legacy x x Sponsor Organization x x Title x x Last updated: September 26

295

Site Index: Nuclear Engineering Division (Argonne National Laboratory)  

NLE Websites -- All DOE Office Websites (Extended Search)

Site Index Site Index Welcome Organization Visit Argonne Work with Argonne Contact us For Employees Site Map Help Join us on Facebook Follow us on Twitter NE on Flickr Celebrating the 70th Anniversary of Chicago Pile 1 (CP-1) Argonne OutLoud on Nuclear Energy Argonne Energy Showcase 2012 Bookmark and Share Site Index A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z A go to top About NE, see also Welcome from the Director Achievements Contact us Highlights Organization Visiting Argonne Welcome from the Director Working with Argonne Achievements, List of - Awards Patents Argonne Distinguished Fellows Professional Societies Nuclear Reactors designed by Argonne National Laboratory Advanced Reactor Development Aerosol Lab (facilities) ANL/NDM Reports (Nuclear Data and Measurements Series Reports and Related Material)

296

Productivity index and field behavior: a case study  

E-Print Network (OSTI)

This study is an investigation of different factors' phics. influence on the productivity index and its behavior. The objectives of this research are (1) to develop an overview of how different factors influence the productivity index', and (2) to explain the irrational behavior of the productivity index in a case study presented. The problem has its origin in a field in north Africa, where irrational behavior of the productivity index (PI) has made it difficult to forecast the field performance. By irrational behavior we meant that the PI ants the opposite of what is expected. Normally we think PI will increase when the production oil rate of the field increases, at the same pressure drawdown. Or for the same well, PI should be constant over time. In some wells in this particular field we can see the P1 increase as production oil rate decreases and vice versa. Numerical simulation was used to simulate the influence different factors had on the productivity index, and to match wellness PI's with calculated PI's from field data in the case study. An overview of which factors can cause the P1 to go in unexpected directions is presented. Finally the theory obtained about the PI behavior is linked to the case study, and the E6incon-ect'' behavior of the PI is explained. It was shown that transient flow and two-phase flow are the two main reasons for the productivity index to decrease as production oil rate increases. It was also shown that dual porosity, non-Darcy flow, permeability changes, formation compressibility, and skin affect the length of the transient flow period and the magnitude of the difference between transient PI and pseudo steady state (PSS) PI. The behavior of the PI in the field case presented is explained by the transient flow effect and bad test data.

Jensen, Marianne

1998-01-01T23:59:59.000Z

297

Multi-dimensional ultra-high frequency passive radio frequency identification tag antenna designs  

E-Print Network (OSTI)

In this thesis, we present the design, simulation, and empirical evaluation of two novel multi-dimensional ultra-high frequency (UHF) passive radio frequency identification (RFID) tag antennas, the Albano-Dipole antenna ...

Delichatsios, Stefanie Alkistis

2006-01-01T23:59:59.000Z

298

Indexes to Nuclear Regulatory Commission issuances, July--December 1995  

Science Conference Proceedings (OSTI)

Digests and indexes for issuances of the NRC, the Atomic Safety and Licensing Board, the Administrative Law Judges, the Directors` Decisions, and the Decisions on Petitions for Rulemaking are presented in this document. These digests and indexes are intended to serve as a guide to the issuances. Information elements common to the cases heard and ruled upon are: (1) case name, (2) full text reference, (3) issuance number, (4) issued raised by appellants, (5) legal citations, (6) name of facility and Docket number, (7) subject matter, (8) type of hearing, and (9) type of issuance.

NONE

1996-04-01T23:59:59.000Z

299

Video Analytics for Indexing, Summarization and Searching of Video Archives  

Science Conference Proceedings (OSTI)

This paper will be submitted to the proceedings The Eleventh IASTED International Conference on. Signal and Image Processing. Given a video or video archive how does one effectively and quickly summarize, classify, and search the information contained within the data? This paper addresses these issues by describing a process for the automated generation of a table-of-contents and keyword, topic-based index tables that can be used to catalogue, summarize, and search large amounts of video data. Having the ability to index and search the information contained within the videos, beyond just metadata tags, provides a mechanism to extract and identify "useful" content from image and video data.

Trease, Harold E.; Trease, Lynn L.

2009-08-01T23:59:59.000Z

300

Refractive index of glass and its dipersion for visible light.  

Science Conference Proceedings (OSTI)

The classification of optical glass and empirical relations between the refractive index and its dispersion are discussed in terms of moments of the glass's IR and UV absorption spectra. The observed linear dependence of index on dispersion within glass families is shown to arise primarily from the approximately linear superposition of the electronic absorptions of glass former and glass modifiers. The binary classification into crown and flint glasses is also based primarily on electronic spectra: Crown glasses are 'wide-gap' materials with excitation energies greater than {approx}12.4 eV, while flint glasses are their 'narrow-gap' counterpart.

Smith, D. Y.; Karstens, W. (Physics); (Univ. of Vermont); (Saint Michael's Coll.)

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Method and system for efficiently searching an encoded vector index  

DOE Patents (OSTI)

Method and system aspects for efficiently searching an encoded vector index are provided. The aspects include the translation of a search query into a candidate bitmap, and the mapping of data from the candidate bitmap into a search result bitmap according to entry values in the encoded vector index. Further, the translation includes the setting of a bit in the candidate bitmap for each entry in a symbol table that corresponds to candidate of the search query. Also included in the mapping is the identification of a bit value in the candidate bitmap pointed to by an entry in an encoded vector.

Bui, Thuan Quang (Alameda, CA); Egan, Randy Lynn (Rochester, MN); Kathmann, Kevin James (Rochester, MN)

2001-09-04T23:59:59.000Z

302

Microsoft Word - 2005 Newsletter Index_v4_print.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

Newsletter Annual Index 2004-2005 Newsletter Annual Index 2004-2005 1 SEQUESTRATION IN THE NEWS............................................................................................ 2 EVENTS & ANNOUNCEMENTS ............................................................................................. 20 SCIENCE...................................................................................................................................... 23 POLICY ........................................................................................................................................ 29 GEOLOGY ................................................................................................................................... 41 TECHNOLOGY...........................................................................................................................

303

Digital slip frequency generator and method for determining the desired slip frequency  

DOE Patents (OSTI)

The output frequency of an electric power generator is kept constant with variable rotor speed by automatic adjustment of the excitation slip frequency. The invention features a digital slip frequency generator which provides sine and cosine waveforms from a look-up table, which are combined with real and reactive power output of the power generator.

Klein, Frederick F. (Monroeville, PA)

1989-01-01T23:59:59.000Z

304

A Remotely Sensed Global Terrestrial Drought Severity Index  

Science Conference Proceedings (OSTI)

Regional drought and flooding from extreme climatic events are increasing in frequency and severity, with significant adverse ecosocial impacts. Detecting and monitoring drought at regional to global scales remains challenging, despite the availability of ...

Qiaozhen Mu; Maosheng Zhao; John S. Kimball; Nathan G. McDowell; Steven W. Running

2013-01-01T23:59:59.000Z

305

Worker Safety and Health Program Area Index | Safety and Health...  

NLE Websites -- All DOE Office Websites (Extended Search)

Worker Safety and Health Program Area Index A B C D E F G H I J L M N O P Q R S T U V W BNL's Worker Safety and Health Program Areas were established to assist line and operations...

306

Handwriting documents denoising and indexing using hermite transform  

Science Conference Proceedings (OSTI)

This paper presents a new system for handwriting documents denoising and indexing. This work is based on the Hermite Transform, which is a polynomial transform and a good model of the human visual system (HVS). We use this transformation to decompose ...

Stéphane Bres; Véronique Eglin; Carlos Rivero

2005-08-01T23:59:59.000Z

307

An impact ordering approach for indexing fuzzy sets  

Science Conference Proceedings (OSTI)

We propose an approach for indexing fuzzy data based on inverted files that speeds up retrieval considerably by stopping the traversal of postings lists early. This is possible because the entries in the postings lists are organized in a way that guarantees ... Keywords: Access methods, Fuzzy databases, Inverted files, Physical design

Carlos D. Barranco; Sven Helmer

2012-06-01T23:59:59.000Z

308

A Dynamical Index for the East Asian Winter Monsoon  

Science Conference Proceedings (OSTI)

A new index measuring the East Asian winter monsoon is defined using the mean wind shears of upper-tropospheric zonal wind based on the belief that the physical processes of both higher and lower latitudes, and at both lower and upper troposphere,...

Yueqing Li; Song Yang

2010-08-01T23:59:59.000Z

309

Efficient CNG Indexing in Location-aware Sevices  

E-Print Network (OSTI)

In this paper, we propose and evaluate a new in-memory index structure for efficient processing of range queries over moving objects. Traditional spatial index approaches suffer from the need for frequent updates and therefore result in poor performance in moving object environments. To reduce the number of updates, many existing approaches use a linear function to represent the movement of objects, but for numerous real applications, the movements of objects are too complicated to be represented as a simple linear function. The index structure we propose has two levels. The lower level consists of a number of cluster nodes, each of which is in charge of a group of moving objects and can dynamically adjust its location and covering range according to the movement of the objects. The upper level makes use of a grid index to support querying evaluation. With our approach, no assumption is required about the maximum velocity of objects and it is not necessary for objects to move according to some well-behaved patterns.

Yuni Xia; Sunil Prabhakar

2003-01-01T23:59:59.000Z

310

5 Development of the Water Quality Index (WQI) to Assess  

E-Print Network (OSTI)

. For instance, sites designated by the IJC within Areas of Concern (AOC) (International Joint Commission 2003 though most of the Georgian Bay wetlands were very good quality, AOC sites (Collingwood (CO Georgian Bay wetlands in the good categories (solid bars), the index was able to identify the AOCs

McMaster University

311

Indexes to Nuclear Regulatory Commission issuances, January--March 1996  

SciTech Connect

This publication is the 1st quarter 1996 index to issuances by the US NRC. These include issuances by the Commission, the Atomic Safety and Licensing Board Panel, the Administrative Law Judges, the Directors` Decisions, and the Decisions on Petitions for Rulemaking.

NONE

1996-07-01T23:59:59.000Z

312

Modeling EU electricity market competition using the residual supply index  

Science Conference Proceedings (OSTI)

An econometric approach to related hourly Residual Supply Index to price-cost margins in the major EU electricity generation markets suggests that market structure, as measured by the RSI, is a significant explanatory factor for markups, even when scarcity and other explanatory variables are included. (author)

Swinand, Gregory; Scully, Derek; Ffoulkes, Stuart; Kessler, Brian

2010-11-15T23:59:59.000Z

313

GRADIENT INDEX SPHERES BY THE SEQUENTIAL ACCRETION OF GLASS POWDERS  

Science Conference Proceedings (OSTI)

The Department of Energy is seeking a method for fabricating mm-scale spheres having a refractive index that varies smoothly and continuously from the center to its surface [1]. The fabrication procedure must allow the creation of a range of index profiles. The spheres are to be optically transparent and have a refractive index differential greater than 0.2. The sphere materials can be either organic or inorganic and the fabrication technique must be capable of scaling to low cost production. Mo-Sci Corporation proposed to develop optical quality gradient refractive index (GRIN) glass spheres of millimeter scale (1 to 2 mm diameter) by the sequential accretion and consolidation of glass powders. Other techniques were also tested to make GRIN spheres as the powder-accretion method produced non-concentric layers and poor optical quality glass spheres. Potential ways to make the GRIN spheres were (1) by "coating" glass spheres (1 to 2 mm diameter) with molten glass in a two step process; and (2) by coating glass spheres with polymer layers.

MARIANO VELEZ

2008-06-15T23:59:59.000Z

314

Cognitive science in popular film: the Cognitive Science Movie Index  

E-Print Network (OSTI)

Cognitive science in popular film: the Cognitive Science Movie Index Benjamin Motz Department of Psychological and Brain Sciences and Cognitive Science Program, Indiana University Bloomington, Bloomington of films depict- ing themes in cognitive science and the potential power of popular cinema for outreach

Indiana University

315

Manual for cataloging and indexing documents for database acquisition  

DOE Green Energy (OSTI)

The descriptive cataloging and subject indexing rules and methodology needed to process bibliographic information for GRID database storage are documented. Data elements which may appear in a bibliographic record are tabulated. Examples of coded data entry forms are included in an appendix. Examples are given of unit records in the database corresponding to one bibliographic reference. (MHR)

Schwartz, S.R.; Phillips, S.L.; Perra, J.J.

1978-07-01T23:59:59.000Z

316

Structure-aware indexing for keyword search in databases  

Science Conference Proceedings (OSTI)

Most of existing methods of keyword search over relational databases find the Steiner trees composed of relevant tuples as the answers. They identify the Steiner trees by discovering the rich structural relationships between tuples, and neglect the fact ... Keywords: database, indexing, keyword search, ranking, tuple unit

Guoliang Li; Jianhua Feng; Jianyong Wang

2009-11-01T23:59:59.000Z

317

The Banzhaf power index for ternary bicooperative games  

Science Conference Proceedings (OSTI)

In this paper we analyze ternary bicooperative games, which are a refinement of the concept of a ternary voting game introduced by Felsenthal and Machover. Furthermore, majority voting rules based on the difference of votes are simple bicooperative games. ... Keywords: Banzhaf power index, Generating function, Ternary bicooperative game

J. M. Bilbao; J. R. Fernández; N. Jiménez; J. J. López

2010-05-01T23:59:59.000Z

318

DOE Research and Development Accomplishments Site Index (A-Z...  

Office of Scientific and Technical Information (OSTI)

A - Z Index A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Abrikosov, Alexei Abrikosov, Alexei: Publications activated complex theory of reaction rates adenosine...

319

The Critical Success Index as an Indicator of Warning Skill  

Science Conference Proceedings (OSTI)

A form of the critical success index (CSI) is used by the National Weather Service to indicate the value of warnings. This verification statistic assumes that the times when an event was neither expected nor observed are of no consequence. It can ...

Joseph T. Schaefer

1990-12-01T23:59:59.000Z

320

Index of /~jborwein/Expbook/Manuscript/Old Zip - CECM  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Old Zip. Icon ... v1_may28_1am.zip 28- May-2003 00:44 2.7M [ ] v1_may29_1pm.zip 29-May-2003 11:18 2.1M [ ] ...

Note: This page contains sample records for the topic "interruption frequency index" 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

Estimation of formation strength index of aquifer from neural networks  

Science Conference Proceedings (OSTI)

The purpose of this study is to construct a model that predicts an aquifer's formation strength index (the ratio of shear modulus and bulk compressibility, G/C"b) from geophysical well logs by using a back-propagation neural network (BPNN). The BPNN ... Keywords: Back-propagation neural networks, Geophysical well logs, Groundwater, Soft computing

Bieng-Zih Hsieh; Chih-Wen Wang; Zsay-Shing Lin

2009-09-01T23:59:59.000Z

322

Turbine bucket natural frequency tuning rib  

SciTech Connect

A tuning rib is added preferably in the aft cavity of a cored turbine bucket to alter the bucket's natural frequencies. The tuning rib may be a solid rib or a segmented rib and is particularly suited for altering high order frequency modes such as 2T, 4F and 1-3S. As such, detrimental crossings of natural bucket frequencies and gas turbine stimuli can be avoided to thereby improve the reliability of a gas turbine without impacting other features of the bucket that are important to the performance of the gas turbine.

Wang, John Zhiqiang (Greenville, SC); Norton, Paul Francis (Greenville, SC); Barb, Kevin Joseph (Halfmoon, NY); Jacala, Ariel Caesar-Prepena (Simpsonville, SC)

2002-01-01T23:59:59.000Z

323

High power radio frequency attenuation device  

DOE Patents (OSTI)

A resistor device for attenuating radio frequency power includes a radio frequency conductor connected to a series of fins formed of high relative magnetic permeability material. The fins are dimensional to accommodate the skin depth of the current conduction therethrough, as well as an inner heat conducting portion where current does not travel. Thermal connections for air or water cooling are provided for the inner heat conducting portions of each fin. Also disclosed is a resistor device to selectively alternate unwanted radio frequency energy in a resonant cavity.

Kerns, Quentin A. (Bloomingdale, IL); Miller, Harold W. (Winfield, IL)

1984-01-01T23:59:59.000Z

324

Graded index antireflective coatings for glass. Second annual report  

SciTech Connect

M.I.T. is conducting research which will lead to a process for forming broad band antireflective (AR) coatings on glass. Use of these coatings increases the extractable heat from flat-plate solar collectors by 30 to 50% compared with their performance under equivalent solar flux, surface temperature and ambient conditions without broad band AR coatings. Graded index surface films can virtually eliminate reflection losses if controlled properly. Graded index films on a borosilicate glass (Corning Glass Works No. 7740, Pyrex) has been demonstrated. While glass treated this way exhibited adequate optical properties, the glass itself, cannot be fabricated by the float glass process because of excessive working temperatures, and consequently is too expensive for solar applications. The objective of this work is to define glass compositions and processing steps which will result in graded index surface films (which exhibit broad band AR characteristics) on glasses which can be fabricated by the float glass process. The mechanism by which these graded index surface films are produced on glass surfaces consists of preferentially etching one phase from a phase separated glass. The film which remains consists of a porous structure in which the fraction of solid phase increases continuously from the free surface toward the bulk glass. Scattering effects are eliminated by limiting the size of the pore structure to dimensions which are substantially less than the wavelength of light. With this structure, the local index of refraction is proportional to the fraction of solid phase which is present. Characterizations are intended to define the microstructural and chemical nature of the surface film throughout its thickness. Progress is reported. (WHK)

Haggerty, J.S.

1980-05-01T23:59:59.000Z

325

Markedness and frequency: a computational analysis  

Science Conference Proceedings (OSTI)

When the markedness analysis is extended to the lexical and grammatical levels, the question arises whether an analogue of the markedness/frequency correlation, observed in phonology, also exists on these higher linguistic levels. This article presents ...

Henry Ku?era

1982-07-01T23:59:59.000Z

326

Very-High-Frequency Resonant Boost Converters  

E-Print Network (OSTI)

This paper presents a resonant boost topology suitable for very-high-frequency (VHF, 30-300 MHz) DC-DC power conversion. The proposed design features low device voltage stress, high efficiency over a wide load range, and ...

Perreault, David J.

327

Radio frequency dc-dc power conversion  

E-Print Network (OSTI)

THIS THESIS addresses the development of system architectures and circuit topologies for dc-dc power conversion at very high frequencies. The systems architectures that are developed are structured to overcome limitations ...

Rivas, Juan, 1976-

2007-01-01T23:59:59.000Z

328

Propagation of Rossby Waves of Nonzero Frequency  

Science Conference Proceedings (OSTI)

The propagation of Rossby waves of positive and negative frequency, corresponding to eastward and westward phase speeds, respectively, is investigated. The techniques used are theoretical analysis, ray tracing, and initial value problems in ...

Gui-Ying Yang; Brian J. Hoskins

1996-08-01T23:59:59.000Z

329

Security approaches for Radio Frequency Identification systems  

E-Print Network (OSTI)

In this thesis, I explore the challenges related to the security of the Electronic Product Code (EPC) class of Radio Frequency Identification (RFID) tags and associated data. RFID systems can be used to improve supply chain ...

Foley, Joseph Timothy, 1976-

2007-01-01T23:59:59.000Z

330

Radio Frequency Identification : regulating information privacy protection  

E-Print Network (OSTI)

As applications of Radio Frequency Identification (RFID) become more profuse, the technology itself is stirring up some controversy. Due to its potential for amassing large amounts of information about both people and ...

Laufer, Deanna (Deanna Raquel)

2007-01-01T23:59:59.000Z

331

Definition: Frequency Bias | Open Energy Information  

Open Energy Info (EERE)

Authority Area, Balancing Authority, frequency error, smart grid References Glossary of Terms Used in Reliability Standards An inl LikeLike UnlikeLike You like this.Sign...

332

Definition: Frequency Error | Open Energy Information  

Open Energy Info (EERE)

difference between the actual and scheduled frequency. (FA - FS)1 References Glossary of Terms Used in Reliability Standards An LikeLike UnlikeLike You like this.Sign Up...

333

Frequency Discrimination of Random?Amplitude Tones  

Science Conference Proceedings (OSTI)

The ability of human observers to discriminate frequencies of tones between 1000 and 15 000 cps was measured in a temporal 2?alternative forced?choice discriminationexperiment. On each trial

G. Bruce Henning

1965-01-01T23:59:59.000Z

334

The Frequency Distribution of Thunderstorm Durations  

Science Conference Proceedings (OSTI)

The frequency distributions of thunderstorm durations were analyzed for 30 years at 36 stations in the United States in order to develop an appropriate summarizing statistic for durations. The incomplete gamma function provides a close fit to the ...

P. J. Robinson; D. R. Easterling

1988-01-01T23:59:59.000Z

335

Development of Radio Frequency Exposure Standards  

Science Conference Proceedings (OSTI)

While unconfirmed claims of adverse human health effects from electromagnetic radiation date to the 1930s, development of modern safety standards did not begin until the 1952 Hirsch study of eye damage at a microwave power density of 100 mW/cm2. Early work on standards focused on microwave frequencies due to rapid development of radar and microwave communications links. In the years since 1952, radio frequency (RF) exposure standards have kept pace with those technological advancements. While refinements...

2004-11-01T23:59:59.000Z

336

Overview of Personal Radio Frequency Communication Technologies  

Science Conference Proceedings (OSTI)

The growth of wireless electronic communication devices and their applications is creating an increasingly complex radio frequency (RF) environment in the workplace and home. Personal communication applications discussed in this report include cordless telephones, analog cellular telephones, digital cellular telephones, and a dozen more. Depending on the specific wireless device, different frequency ranges, modulation types, multiple access types, and power levels can be encountered. The significant grow...

2008-09-09T23:59:59.000Z

337

Extremely high frequency RF effects on electronics.  

SciTech Connect

The objective of this work was to understand the fundamental physics of extremely high frequency RF effects on electronics. To accomplish this objective, we produced models, conducted simulations, and performed measurements to identify the mechanisms of effects as frequency increases into the millimeter-wave regime. Our purpose was to answer the questions, 'What are the tradeoffs between coupling, transmission losses, and device responses as frequency increases?', and, 'How high in frequency do effects on electronic systems continue to occur?' Using full wave electromagnetics codes and a transmission-line/circuit code, we investigated how extremely high-frequency RF propagates on wires and printed circuit board traces. We investigated both field-to-wire coupling and direct illumination of printed circuit boards to determine the significant mechanisms for inducing currents at device terminals. We measured coupling to wires and attenuation along wires for comparison to the simulations, looking at plane-wave coupling as it launches modes onto single and multiconductor structures. We simulated the response of discrete and integrated circuit semiconductor devices to those high-frequency currents and voltages, using SGFramework, the open-source General-purpose Semiconductor Simulator (gss), and Sandia's Charon semiconductor device physics codes. This report documents our findings.

Loubriel, Guillermo Manuel; Vigliano, David; Coleman, Phillip Dale; Williams, Jeffery Thomas; Wouters, Gregg A.; Bacon, Larry Donald; Mar, Alan

2012-01-01T23:59:59.000Z

338

DOE NEPA Guidance and Requirements - Search Index - List of Contents |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

List of List of Contents DOE NEPA Guidance and Requirements - Search Index - List of Contents Return to Download Page The NEPA Guidance and Requirements - Search Index includes: A Brief Guide - DOE-wide Contracts For NEPA Documentation [DOE][2003] A Citizen's Guide to the NEPA - Having Your Voice Heard [CEQ][2007] A Resource Handbook on DOE Transportation Risk Assessment [DOE][2002] Actions During the NEPA Process - Interim Actions [DOE][2003] Administrative Record Guidance [DOJ][1991] Aligning the NEPA Process with EMS [CEQ][2007] Alternative Actions For Analysis in Site-wide NEPA Reviews [DOE][1992] Amended Environmental Impact Statement Filing System Guidance [EPA][2012] Analysis of Impacts on Prime and Unique Agricultural Lands and NEPA [CEQ][1980] Analysis of Impacts to Workers in NEPA Documentation [DOE][1988]

339

DOE NEPA Guidance and Requirements - Search Index - Table of Contents |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Table of Table of Contents DOE NEPA Guidance and Requirements - Search Index - Table of Contents Return to Download Page The DOE NEPA Guidance and Requirements - Search Index includes: NEPA Guidance and Requirements Documents Issued by Published A Brief Guide - DOE-wide Contracts For NEPA Documentation DOE 2003 A Citizen's Guide to the NEPA - Having Your Voice Heard CEQ 2007 A Resource Handbook on DOE Transportation Risk Assessment DOE 2002 Actions During the NEPA Process - Interim Actions DOE 2003 Administrative Record Guidance DOJ 1991 Aligning the NEPA Process with EMS CEQ 2007 Alternative Actions For Analysis in Site-wide NEPA Reviews DOE 1992 Amended Environmental Impact Statement Filing System Guidance EPA 2012 Analysis of Impacts on Prime and Unique Agricultural Lands and NEPA

340

Fabrication process for a gradient index x-ray lens  

DOE Patents (OSTI)

A process for fabricating high efficiency x-ray lenses that operate in the 0.5-4.0 keV region suitable for use in biological imaging, surface science, and x-ray lithography of integrated circuits. The gradient index x-ray optics fabrication process broadly involves co-sputtering multi-layers of film on a wire, followed by slicing and mounting on block, and then ion beam thinning to a thickness determined by periodic testing for efficiency. The process enables the fabrication of transmissive gradient index x-ray optics for the 0.5-4.0 keV energy range. This process allows the fabrication of optical elements for the next generation of imaging and x-ray lithography instruments m the soft x-ray region.

Bionta, Richard M. (Livermore, CA); Makowiecki, Daniel M. (Livermore, CA); Skulina, Kenneth M. (Livermore, CA)

1995-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Fabrication process for a gradient index x-ray lens  

DOE Patents (OSTI)

A process is disclosed for fabricating high efficiency x-ray lenses that operate in the 0.5-4.0 keV region suitable for use in biological imaging, surface science, and x-ray lithography of integrated circuits. The gradient index x-ray optics fabrication process broadly involves co-sputtering multi-layers of film on a wire, followed by slicing and mounting on block, and then ion beam thinning to a thickness determined by periodic testing for efficiency. The process enables the fabrication of transmissive gradient index x-ray optics for the 0.5-4.0 keV energy range. This process allows the fabrication of optical elements for the next generation of imaging and x-ray lithography instruments in the soft x-ray region. 13 figures.

Bionta, R.M.; Makowiecki, D.M.; Skulina, K.M.

1995-01-17T23:59:59.000Z

342

ISM band to U-NII band frequency transverter and method of frequency transversion  

DOE Patents (OSTI)

A frequency transverter (10) and method for enabling bi-frequency dual-directional transfer of digitally encoded data on an RF carrier by translating between a crowded or otherwise undesirable first frequency band, such as the 2.4 GHz ISM band, and a less-crowded or otherwise desirable second frequency band, such as the 5.0 GHz 6.0 GHz U-NII band. In a preferred embodiment, the transverter (10) connects between an existing data radio (11) and its existing antenna (30), and comprises a bandswitch (12); an input RF isolating device (14); a transmuter (16); a converter (18); a dual output local oscillator (20); an output RF isolating device (22); and an antenna (24) tuned to the second frequency band. The bandswitch (12) allows for bypassing the transverter (10), thereby facilitating its use with legacy systems. The transmuter (14) and converter (16) are adapted to convert to and from, respectively, the second frequency band.

Stepp, Jeffrey David (Grandview, MO); Hensley, Dale (Grandview, MO)

2006-09-12T23:59:59.000Z

343

ISM band to U-NII band frequency transverter and method of frequency transversion  

DOE Patents (OSTI)

A frequency transverter (10) and method for enabling bi-frequency dual-directional transfer of digitally encoded data on an RF carrier by translating between a crowded or otherwise undesirable first frequency band, such as the 2.4 GHz ISM band, and a less-crowded or otherwise desirable second frequency band, such as the 5.0 GHz-6.0 GHz U-NII band. In a preferred embodiment, the transverter (10) connects between an existing data radio (11) and its existing antenna (30), and comprises a bandswitch (12); an input RF isolating device (14); a transmuter (16); a converter (18); a dual output local oscillator (20); an output RF isolating device (22); and an antenna (24) tuned to the second frequency band. The bandswitch (12) allows for bypassing the transverter (10), thereby facilitating its use with legacy systems. The transmuter (14) and converter (16) are adapted to convert to and from, respectively, the second frequency band.

Stepp, Jeffrey David (Grandview, MO); Hensley, Dale (Grandview, MO)

2006-04-04T23:59:59.000Z

344

The Spectral Index Distribution of EGRET Blazars: Prospects for GLAST  

SciTech Connect

The intrinsic distribution of spectral indices in GeV energies of gamma-ray-loud blazars is a critical input in determining the spectral shape of the unresolved blazar contribution to the diffuse extragalactic gamma-ray background, as well as an important test of blazar emission theories. We present a maximum-likelihood method of determining the intrinsic spectral index distribution (ISID) of a population of {gamma}-ray emitters which accounts for error in measurement of individual spectral indices, and we apply it to EGRET blazars. We find that the most likely Gaussian ISID for EGRET blazars has a mean of 2.27 and a standard deviation of 0.20. We additionally find some indication that FSRQs and BL Lacs may have different ISIDs (with BL Lacs being harder). We also test for spectral index hardening associated with blazar variability for which we find no evidence. Finally, we produce simulated GLAST spectral index datasets and perform the same analyses. With improved statistics due to the much larger number of resolvable blazars, GLAST data will help us determine the ISIDs with much improved accuracy. Should any difference exist between the ISIDs of BL Lacs and FSRQs or between the ISIDs of blazars in the quiescent and flaring states, GLAST data will be adequate to separate these ISIDs at a significance better than 3{sigma}.

Venters, Tonia M.; Pavlidou, Vasiliki; /SLAC

2011-11-29T23:59:59.000Z

345

High frequency inductive lamp and power oscillator  

DOE Patents (OSTI)

A high frequency inductively coupled electrodeless lamp includes an excitation coil with an effective electrical length which is less than one half wavelength of a driving frequency applied thereto, preferably much less. The driving frequency may be greater than 100 MHz and is preferably as high as 915 MHz. Preferably, the excitation coil is configured as a non-helical, semi-cylindrical conductive surface having less than one turn, in the general shape of a wedding ring. At high frequencies, the current in the coil forms two loops which are spaced apart and parallel to each other. Configured appropriately, the coil approximates a Helmholtz configuration. The lamp preferably utilizes an bulb encased in a reflective ceramic cup with a pre-formed aperture defined therethrough. The ceramic cup may include structural features to aid in alignment and I or a flanged face to aid in thermal management. The lamp head is preferably an integrated lamp head comprising a metal matrix composite surrounding an insulating ceramic with the excitation integrally formed on the ceramic. A novel solid-state oscillator preferably provides RF power to the lamp. The oscillator is a single active element device capable of providing over 70 watts of power at over 70% efficiency. Various control circuits may be employed to adjust the driving frequency of the oscillator.

MacLennan, Donald A. (Gaithersburg, MD); Dymond, Jr., Lauren E. (North Potomac, MD); Gitsevich, Aleksandr (Montgomery Village, MD); Grimm, William G. (Silver Spring, MD); Kipling, Kent (Gaithersburg, MD); Kirkpatrick, Douglas A. (Great Falls, VA); Ola, Samuel A. (Silver Spring, MD); Simpson, James E. (Gaithersburg, MD); Trimble, William C. (Columbia, MD); Tsai, Peter (Olney, MD); Turner, Brian P. (Damascus, MD)

2001-01-01T23:59:59.000Z

346

High frequency inductive lamp and power oscillator  

DOE Patents (OSTI)

A high frequency inductively coupled electrodeless lamp includes an excitation coil with an effective electrical length which is less than one half wavelength of a driving frequency applied thereto, preferably much less. The driving frequency may be greater than 100 MHz and is preferably as high as 915 MHz. Preferably, the excitation coil is configured as a non-helical, semi-cylindrical conductive surface having less than one turn, in the general shape of a wedding ring. At high frequencies, the current in the coil forms two loops which are spaced apart and parallel to each other. Configured appropriately, the coil approximates a Helmholtz configuration. The lamp preferably utilizes an bulb encased in a reflective ceramic cup with a pre-formed aperture defined therethrough. The ceramic cup may include structural features to aid in alignment and/or a flanged face to aid in thermal management. The lamp head is preferably an integrated lamp head comprising a metal matrix composite surrounding an insulating ceramic with the excitation integrally formed on the ceramic. A novel solid-state oscillator preferably provides RF power to the lamp. The oscillator is a single active element device capable of providing over 70 watts of power at over 70% efficiency. Various control circuits may be employed to match the driving frequency of the oscillator to a plurality of tuning states of the lamp.

MacLennan, Donald A. (Gaithersburg, MD); Turner, Brian P. (Damascus, MD); Dolan, James T. (Frederick, MD); Kirkpatrick, Douglas A. (Great Falls, VA); Leng, Yongzhang (Damascus, MD)

2000-01-01T23:59:59.000Z

347

Rationale and Development of a Security Assurance Index with Application toward the Development of a World Risk Index  

SciTech Connect

Assurance categories were previously developed to support the Department of Homeland Security’s efforts in the mitigation of Cyber Control System events. Defined according to the risk of life and economic loss, the minimum range is designated by policy, whereas the maximum limit seems to be constrained only by limits and interdependencies of the event. Use of this life / assets scale has proven to be helpful in managing risk due to the scale's ease of use, communication, and understanding. Suggestions have been made that this scale could be applied to all events of terror, disaster, and calamity of an international scale, with equally good results. This paper presents the history of some existing scales of disaster and assurance, the rationale behind the development of the original Security Assurance Index, and our proposed scale of disaster and calamity as a World Risk Index.

M. M. Plum; G. A. Beitel, PhD

2006-06-01T23:59:59.000Z

348

Frequency Instability Problems in North American Interconnections  

NLE Websites -- All DOE Office Websites (Extended Search)

Frequency Instability Problems in Frequency Instability Problems in North American Interconnections May 1, 2011 DOE/NETL-2011/1473 Frequency Instability Problems in North American Interconnections Disclaimer This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement,

349

Frequency Scanned Interferometry for ILC Tracker Alignment  

E-Print Network (OSTI)

In this paper, we report high-precision absolute distance and vibration measurements performed with frequency scanned interferometry. Absolute distance was determined by counting the interference fringes produced while scanning the laser frequency. High-finesse Fabry-Perot interferometers were used to determine frequency changes during scanning. A dual-laser scanning technique was used to cancel drift errors to improve the absolute distance measurement precision. A new dual-channel FSI demonstration system is also presented which is an interim stage toward practical application of multi-channel distance measurement. Under realistic conditions, a precision of 0.3 microns was achieved for an absolute distance of 0.57 meters. A possible optical alignment system for a silicon tracker is also presented.

Hai-Jun Yang; Tianxiang Chen; Keith Riles

2011-09-12T23:59:59.000Z

350

Electrojet-independent ionospheric extremely low frequency/very low frequency wave generation by powerful high frequency waves  

Science Conference Proceedings (OSTI)

Results of extremely low frequency/very low frequency (ELF/VLF) wave generation by intensity-modulated high frequency (HF) heaters of 3.2 MHz in Gakona, Alaska, near local solar noon during a geomagnetic quiet time, are presented to support an electrojet-independent ELF/VLF wave generation mechanism. The modulation was set by splitting the HF transmitter array into two subarrays; one was run at cw full power and the other run alternatively at 50% and 100% power modulation by rectangular waves of 2.02, 5, 8, and 13 kHz. The most effective generation was from the X-mode heater with 100% modulation. While the 8 kHz radiation has the largest wave amplitude, the spectral intensity of the radiation increases with the modulation frequency, i.e., 13 kHz line is the strongest. Ionograms recorded significant virtual height spread of the O-mode sounding echoes. The patterns of the spreads and the changes of the second and third hop virtual height traces caused by the O/X-mode heaters are distinctively different, evidencing that it is due to differently polarized density irregularities generated by the filamentation instability of the O/X-mode HF heaters.

Kuo, Spencer [Polytechnic Institute of New York University, 6 MetroTech Center, Brooklyn, New York 11201 (United States); Snyder, Arnold [NorthWest Research Associates, P.O. Box 530, Stockton Springs, Maine 04981 (United States); Chang, Chia-Lie [BAE Systems-Technology Solutions, 2000 North 15th Street, Suite 1100, Arlington, Virginia 22201-2627 (United States)

2010-08-15T23:59:59.000Z

351

Seismic isolation systems with distinct multiple frequencies  

DOE Patents (OSTI)

A method and apparatus for isolating a building or other structure from smic vibratory motion which provides increased assurance that large horizontal motion of the structure will not occur than is provided by other isolation systems. Increased assurance that large horizontal motion will not occur is achieved by providing for change of the natural frequency of the support and structure system in response to displacement of the structure beyond a predetermined value. The natural frequency of the support and structure system may be achieved by providing for engaging and disengaging of the structure and some supporting members in response to motion of the supported structure.

Wu, Ting-shu (Downers Grove, IL); Seidensticker, Ralph W. (Wheaton, IL)

1990-01-01T23:59:59.000Z

352

Seismic isolation systems with distinct multiple frequencies  

DOE Patents (OSTI)

The present invention relates generally to a method and apparatus for supporting a structure such as a building, bridge, or power plant such that it is isolated from seismic vibratory ground motion. More particularly, the present invention relates to a method and apparatus for supporting a structure by an isolation system which will not allow large dynamic loads to be transmitted to the supported structure due to seismic motions which have damaging energy at frequencies at or near the natural frequency of the structure and the overall structural systems. 4 figs.

Wu, Ting-shu; Seidensticker, R.W.

1989-04-14T23:59:59.000Z

353

Development and testing of artificial low?frequency speech codes  

Science Conference Proceedings (OSTI)

Previous work on frequency lowered speech for listeners whose hearing is confined to low frequencies has focused on signal processing of natural speech. In the present research

C. M. Reed; M. H. Power; K. K. Foss; N. I. Durlach; L. D. Braids

1987-01-01T23:59:59.000Z

354

Electricity demand as frequency controlled reserves, ENS (Smart...  

Open Energy Info (EERE)

Electricity demand as frequency controlled reserves, ENS (Smart Grid Project) Jump to: navigation, search Project Name Electricity demand as frequency controlled reserves, ENS...

355

Relationship between Frequency of RFID Tags and Its Ability to Penetrate Fresh Concrete  

E-Print Network (OSTI)

The concrete maturity method can be utilized to determine in situ strength of concrete. It uses the temperature of concrete to determine a maturity index that can then be used to determine strength of concrete. However, monitoring the concrete temperature using thermocouples brings up a wiring issue, which is not advisable in an equipment and human intensive area like a construction site. One of the ways to get around this wiring issue is to use Radio Frequency Identification (RFID) technology, which is capable of transmitting information wirelessly. Previous research implemented using ultra high frequency RFID tags embedded in fresh concrete found that water could be the impediment for transmitting RFID signal from within concrete during early stages of curing. From literature it was found that lower the frequency, better the chances of the wave penetrating water. The objective of the research was to figure out whether the frequency of RFID tags has any relationship with the readability of RFID tags embedded in fresh concrete. For this investigation, low frequency, high frequency, and ultra high frequency RFID tags were tested within fresh concrete to see any difference between tags in terms of transmitting information. This experiment was carried out in a controlled space to reduce the number of variables affecting the experiment outcome. The low frequency, high frequency, and ultra high frequency RFID tags were placed within 2 in x 3 in x 2 in wooden formwork at a depth of 4 in, 8 in, and 12 in. Ready mix concrete was poured into the formwork and 3 concrete cubes were cast with the tags embedded within them. Readers that could be connected to a laptop were used to monitor and collect the time at which these RFID tags can be detected. The test showed that the RFID signals from the low frequency tags at all depths were detected as soon as concrete was poured. The Ultra High Frequency tags placed at the 4" level could be detected 15 minutes after concrete was poured. The UHF tags at the 8" level could be detected after 30 minutes. The UHF tags at the 12" level took on an average 2 hours to be detected from the vicinity of the formwork. The greater the depth at which the ultra high frequency tag was buried the longer it took for it to be detected. The high frequency tags could be detected only at the 4" level. The reason the performance of the HF card degraded in concrete could be because it uses an aluminum foil antenna which is more susceptible to the environment changing the relative permeability. A copper wire antenna could have fared better in this condition, increasing the chances of detecting the tag. Moreover a passive tag was used. The read range and chances of detection could have been increased had an active tag been used. The power of the reader that was used was also very less which might have contributed to the tag not being detected. Among the tags that were used in the experiment it was found that low frequency tags was the tag that could be detected the earliest after concrete was poured into the forms. However, the maximum read range of the tag observed in the experiment was 20" which is too small a distance to be used on an actual construction site.

Sridharan, Rajasekaran

2010-05-01T23:59:59.000Z

356

Tri-Cities Index of Innovation and Technology  

SciTech Connect

In 2001 and 2004, the Economic Development Office of Pacific Northwest National Laboratory published companion reports to the Washington Technology Center Index studies that provided additional information on the Tri-Cities (Kennewick-Richland-Pasco) area of the state, its technology businesses, and important advantages that the Tri-Cities have as places to live and do business. These reports also compared the Tri-Cities area to other technology-based metropolitan areas in the Pacific Northwest and nation along critical dimensions known to be important to technology firms. This report updates the material in these earlier reports, and highlights a growing Tri-Cities metropolitan area.

Fowler, Richard A.; Scott, Michael J.; Butner, Ryan S.

2011-01-17T23:59:59.000Z

357

DOE technical standards list: Department of Energy standards index  

Science Conference Proceedings (OSTI)

This technical standards list (TSL) was prepared for use by personnel involved in the selection and use of US DOE technical standards and other government and non-government standards. This TSL provides listings of current DOE technical standards, non-government standards that have been adopted by DOE, other government documents in which DOE has a recorded interest, and cancelled DOE technical standards. Standards are indexed by type in the appendices to this document. Definitions of and general guidance for the use of standards are also provided.

NONE

1997-06-01T23:59:59.000Z

358

Gradient index liquid crystal devices and method of fabrication thereof  

DOE Patents (OSTI)

Laser beam apodizers using cholesteric liquid crystals provides soft edge profile by use of two separate cholesteric liquid crystal mixtures with different selective reflection bands which in an overlap region have a gradient index where reflectivity changes as a function of position. The apodizers can be configured as a one-dimensional beam apod INTRODUCTION The U.S. government has rights in the invention under Contract No. DE-FC03-85DP40200 between the University of Rochester and the Department of Energy.

Lee, Jae-Cheul (Rochester, NY); Jacobs, Stephen (Pittsford, NY)

1991-01-01T23:59:59.000Z

359

Gradient index liquid crystal devices and method of fabrication thereof  

DOE Patents (OSTI)

Laser beam apodizers using cholesteric liquid crystals provides soft edge profile by use of two separate cholesteric liquid crystal mixtures with different selective reflection bands which in an overlap region have a gradient index where reflectivity changes as a function of position. The apodizers can be configured as a one-dimensional beam apod INTRODUCTION The U.S. government has rights in the invention under Contract No. DE-FC03-85DP40200 between the University of Rochester and the Department of Energy.

Lee, J.C.; Jacobs, S.

1991-10-29T23:59:59.000Z

360

Loss compensated negative index material at optical wavelengths  

SciTech Connect

We present a computational approach, allowing for a self-consistent treatment of three-dimensional (3D) fishnet metamaterial operating at 710 nm wavelength coupled to a gain material incorporated into the nanostructure. We show numerically that loss-free negative index material is achievable by incorporating gain material inside the fishnet structure. The effective gain coefficient of the combined fishnet-gain system is much larger than its bulk counterpart and the figure-of-merit (FOM = | Re(n)/Im(n) |) increases dramatically with gain. Transmission, reflection, and absorption data, as well as the retrieved effective parameters, are presented for the fishnet structure with and without gain.

Fang, Anan; Huang, Zhixiang; Koschny, Thomas; Soukoulis, Costas M.

2012-05-20T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Home monitoring using wearable radio frequency transmitters  

Science Conference Proceedings (OSTI)

Background: Location tracking of a wearable radio frequency (RF) transmitter in a wireless network is a potentially useful tool for the home monitoring of patients in clinical applications. However, the problem of converting RF signals into accurate ... Keywords: Gaussian mixture models, Home monitoring, Motion tracking, Wireless network

Anthony Almudevar; Adrian Leibovici; Aleksey Tentler

2008-02-01T23:59:59.000Z

362

Clustering local frequency items in multiple databases  

Science Conference Proceedings (OSTI)

Frequent items could be considered as a basic type of patterns in a database. In the context of multiple data sources, most of the global patterns are based on local frequency items. A multi-branch company transacting from different branches often needs ... Keywords: Association, Clustering, Data mining, Measure of association, Multi-database mining

Animesh Adhikari

2013-07-01T23:59:59.000Z

363

Science with the Frequency Agile Solar Radiotelescope  

E-Print Network (OSTI)

Center for Solar Terrestrial Research 19 / 30 Energy Release and Particle Acceleration Energy ReleaseScience with the Frequency Agile Solar Radiotelescope Dale E. Gary New Jersey Institute of Technology #12;EGU Meeting 2004 April 29 NJIT Center for Solar Terrestrial Research 2 / 30 #12;EGU Meeting

364

Frequency scaling of linear super-colliders  

SciTech Connect

The development of electron-positron linear colliders in the TeV energy range will be facilitated by the development of high-power rf sources at frequencies above 2856 MHz. Present S-band technology, represented by the SLC, would require a length in excess of 50 km per linac to accelerate particles to energies above 1 TeV. By raising the rf driving frequency, the rf breakdown limit is increased, thereby allowing the length of the accelerators to be reduced. Currently available rf power sources set the realizable gradient limit in an rf linac at frequencies above S-band. This paper presents a model for the frequency scaling of linear colliders, with luminosity scaled in proportion to the square of the center-of-mass energy. Since wakefield effects are the dominant deleterious effect, a separate single-bunch simulation model is described which calculates the evolution of the beam bunch with specified wakefields, including the effects of using programmed phase positioning and Landau damping. The results presented here have been obtained for a SLAC structure, scaled in proportion to wavelength.

Mondelli, A.; Chernin, D.; Drobot, A.; Reiser, M.; Granatstein, V.

1986-06-01T23:59:59.000Z

365

FAST: Frequency-aware static timing analysis  

Science Conference Proceedings (OSTI)

Energy is a valuable resource in embedded systems as the lifetime of many such systems is constrained by their battery capacity. Recent advances in processor design have added support for dynamic frequency/voltage scaling (DVS) for saving energy. Recent ... Keywords: Real-time systems, dynamic voltage scaling, scheduling, worst-case execution time analysis

Kiran Seth; Aravindh Anantaraman; Frank Mueller; Eric Rotenberg

2006-02-01T23:59:59.000Z

366

Parallel Index and Query for Large Scale Data Analysis  

SciTech Connect

Modern scientific datasets present numerous data management and analysis challenges. State-of-the-art index and query technologies are critical for facilitating interactive exploration of large datasets, but numerous challenges remain in terms of designing a system for process- ing general scientific datasets. The system needs to be able to run on distributed multi-core platforms, efficiently utilize underlying I/O infrastructure, and scale to massive datasets. We present FastQuery, a novel software framework that address these challenges. FastQuery utilizes a state-of-the-art index and query technology (FastBit) and is designed to process mas- sive datasets on modern supercomputing platforms. We apply FastQuery to processing of a massive 50TB dataset generated by a large scale accelerator modeling code. We demonstrate the scalability of the tool to 11,520 cores. Motivated by the scientific need to search for inter- esting particles in this dataset, we use our framework to reduce search time from hours to tens of seconds.

Chou, Jerry; Wu, Kesheng; Ruebel, Oliver; Howison, Mark; Qiang, Ji; Prabhat,; Austin, Brian; Bethel, E. Wes; Ryne, Rob D.; Shoshani, Arie

2011-07-18T23:59:59.000Z

367

Estimation of Rainfall in Burkina Faso Using the ESOC Precipitation Index  

Science Conference Proceedings (OSTI)

Rainfall is estimated in Burkina Faso for a full year using the ESOC precipitation index (EPI), a statistical cloud indexing method based on satellite data from METEOSAT. The EPI is converted into rainfall with the linear regression calculated ...

Olli M. Turpeinen; A. A. Diallo

1989-02-01T23:59:59.000Z

368

Bibliometrics for Internet Media: Applying the h-Index to YouTube  

E-Print Network (OSTI)

The h-index can be a useful metric for evaluating a person's output of Internet media. Here we advocate and demonstrate adaption of the h-index and the g-index to the top video content creators on YouTube. The h-index for Internet video media is based on videos and their view counts. The index h is defined as the number of videos with >= h*10^5 views. The index g is defined as the number of videos with >= g*10^5 views on average. When compared to a video creator's total view count, the h-index and g-index better capture both productivity and impact in a single metric.

Hovden, Robert

2013-01-01T23:59:59.000Z

369

Revisiting the Past and Settling the Score: Index Revision for House Price Derivatives  

E-Print Network (OSTI)

Method for Real Estate Price Index Construction. Journal ofRevision Bias in Repeat Sale Home Price Indices. UnpublishedCalhoun, C.A. 1996. OFHEO House Price Indexes: HPI Technical

Clapham, Eric; Englund, Peter; Quigley, John M.; Redfearn, Christian L.

2007-01-01T23:59:59.000Z

370

Computing the Low-Elevation Variant of the Haines Index for Fire Weather Forecasts  

Science Conference Proceedings (OSTI)

The Haines index is used in wildfire forecasting and monitoring to evaluate the potential contributions of atmospheric stability and humidity to the behavior of plume-dominated wildfires. The index has three variants (“low,” “mid,” and “high”) ...

Brian E. Potter; Julie A. Winkler; Dwight F. Wilhelm; Ryan P. Shadbolt; Xindi Bian

2008-02-01T23:59:59.000Z

371

A Verified Estimation of the El Niño Index Niño-3.4 since 1877  

Science Conference Proceedings (OSTI)

Decadal and longer time-scale variabilities of the best known El Niño–Southern Oscillation (ENSO) indexes are poorly correlated before 1950, and so knowledge of interdecadal variability and trend in ENSO indexes is dubious, especially before ...

Lucia Bunge; Allan J. Clarke

2009-07-01T23:59:59.000Z

372

Forecasting Drought Using the Agricultural Reference Index for Drought (ARID): A Case Study  

Science Conference Proceedings (OSTI)

Drought forecasting can aid in developing mitigation strategies and minimizing economic losses. Drought may be forecast using a drought index, which is an indicator of drought. The agricultural reference index for drought (ARID) was used as a tool ...

Prem Woli; James Jones; Keith Ingram; Joel Paz

2013-04-01T23:59:59.000Z

373

An efficient trajectory index structure for moving objects in location-based services  

Science Conference Proceedings (OSTI)

Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, there has been little research on trajectory index structure for spatial networks, ...

Jae-Woo Chang; Jung-Ho Um; Wang-Chien Lee

2005-10-01T23:59:59.000Z

374

Indexing and Retrieval of XML-Encoded Structured Documents in Dynamic Environment  

Science Conference Proceedings (OSTI)

In order to retrieve structured documents efficiently, many researches have been done to design indexing technique that supports fast and direct access for arbitrary element as well as whole document. On the other hand, fast and efficient indexing technique ...

Sung Wan Kim; Jaeho Lee; Hae Chull Lim

2002-09-01T23:59:59.000Z

375

Widely-tunable mid-IR frequency comb source based on difference frequency generation  

E-Print Network (OSTI)

We report on a mid-infrared frequency comb source of unprecedented tunability covering the entire 3-10 {\\mu}m molecular fingerprint region. The system is based on difference frequency generation in a GaSe crystal pumped by a 151 MHz Yb:fiber frequency comb. The process was seeded with Raman shifted solitons generated in a highly nonlinear suspended-core fiber with the same source. Average powers up to 1.5 mW were achieved at 4.7 {\\mu}m wavelength.

Ruehl, Axel; Hartl, Ingmar; Fermann, Martin E; Eikema, Kjeld S E; Marangoni, Marco

2012-01-01T23:59:59.000Z

376

Tunable single-photon frequency conversion in a Sagnac interferometer  

E-Print Network (OSTI)

We study the single-photon frequency conversion of a five-level emitter coupled to a Sagnac interferometer. We show that the unity conversion efficiency can be achieved either in resonance or off-resonance case under the ideal condition. In particular, the frequency of the output photon can be controlled by the frequencies and Rabi frequencies of the external driving fields.

Wei-Bin Yan; Jin-Feng Huang; Heng Fan

2013-08-01T23:59:59.000Z

377

Delta-sigma (??) frequency synthesizers for wireless applications  

Science Conference Proceedings (OSTI)

This paper describes the state-of-the-art design approaches to delta-sigma (@D@S) frequency synthesizers for wireless transceiver applications. Various synthesizer architectures, including the integer and fractional-N synthesizers, and frequency-to-digital ... Keywords: Frequency synthesizers, Frequency-to-digital converters, RF transmitters, Sigma-delta modulation

Bertan Bakkaloglu; Sayfe Kiaei; Bikram Chaudhuri

2007-01-01T23:59:59.000Z

378

Effect of Envelope Design on Energy Consumption Respect to EETP Index  

Science Conference Proceedings (OSTI)

EETP is an evaluation index for the whole thermal performance of envelopes. The effects of envelope related parameters on energy consumption for cooling and heating were analyzed respect to EETP index, the sensitivity factor analysis was performed. The ... Keywords: Envelope nvelope Design, Thermal Performance, energy consumption EETP index

Jinghua Yu; Xinhua Xu; Liwei Tian

2011-02-01T23:59:59.000Z

379

TITLE: Evaluation of Turfgrass Quality and Green Leaf Area Index and Aboveground Biomass with Multispectral Radiometry  

E-Print Network (OSTI)

6 TITLE: Evaluation of Turfgrass Quality and Green Leaf Area Index and Aboveground Biomass index and biomass in seven turfgrass species. AUTHORS: Hyeonju Lee, Dale Bremer, and Kemin Su SPONSORS (NIR/R) may be good predictors of green leaf area index (LAI) and aboveground biomass, although

380

A New Signature-Based Indexing Scheme for Trajectories of Moving Objects on Spatial Networks  

Science Conference Proceedings (OSTI)

Because moving objects usually move on spatial networks, their trajectories play an important role in indexing them for spatial network databases. In this paper, we propose a new signature-based indexing scheme for moving objects' trajectories on spatial ... Keywords: signature-based index scheme, spatial network, trajectory

Jaewoo Chang; Jungho Um; Youngjin Kim

2008-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

RH: Burning index in Los Angeles A Note on Non-parametric and Semi-parametric  

E-Print Network (OSTI)

1 RH: Burning index in Los Angeles A Note on Non-parametric and Semi-parametric Modeling for comparative purposes in order to assess the predictive performance of the Burning Index. 1 Department including the Burning Index (BI) at each of various Remote Automated Weather Stations (RAWS) in the United

Schoenberg, Frederic Paik (Rick)

382

A-Z Index - U.S. Energy Information Administration (EIA)  

U.S. Energy Information Administration (EIA)

Search EIA.gov. A-Z Index; A-Z Index A B C D E F G H I J K L M N O P Q R S T U V W XYZ. A-Z Index. A B C D E F G H I J K L M N O P Q R S T U V W XYZ. ...

383

A News Index System for Global Comparisons of Many Major Topics on the Earth  

Science Conference Proceedings (OSTI)

In this paper, we propose a news index system which supports users who would like to observe difference in various topics (e.g. politics, economy, education, and culture) among countries/regions. General news sites just provide news articles and we can ... Keywords: Index Word List Construction, News Article Extraction, News Article Page Collection, News Directory, News Index System

Tomoya Noro; Bin Liu; Yosuke Nakagawa; Hao Han; Takehiro Tokuda

2009-07-01T23:59:59.000Z

384

Laser frequency combs for astronomical observations  

E-Print Network (OSTI)

A direct measurement of the universe's expansion history could be made by observing in real time the evolution of the cosmological redshift of distant objects. However, this would require measurements of Doppler velocity drifts of about 1 centimeter per second per year, and astronomical spectrographs have not yet been calibrated to this tolerance. We demonstrate the first use of a laser frequency comb for wavelength calibration of an astronomical telescope. Even with a simple analysis, absolute calibration is achieved with an equivalent Doppler precision of approximately 9 meters per second at about 1.5 micrometers - beyond state-of-the-art accuracy. We show that tracking complex, time-varying systematic effects in the spectrograph and detector system is a particular advantage of laser frequency comb calibration. This technique promises an effective means for modeling and removal of such systematic effects to the accuracy required by future experiments to see direct evidence of the universe's putative acceleration.

Tilo Steinmetz; Tobias Wilken; Constanza Araujo-Hauck; Ronald Holzwarth; Theodor W. Hänsch; Luca Pasquini; Antonio Manescau; Sandro D'Odorico; Michael T. Murphy; Thomas Kentischer; Wolfgang Schmidt; Thomas Udem

2008-09-09T23:59:59.000Z

385

Environmental quality indexing of large industrial development alternatives using AHP  

Science Conference Proceedings (OSTI)

Two industrial development alternatives have been proposed for the East Coast of Iceland in order to strengthen its socio-economic basis. The favoured option is to build a large aluminium smelter, which requires massive hydropower development in the nearby highlands. Another viable option is the construction of a 6-million-ton oil refinery, following the planned exploitation of the Timan Pechora oil reserves in the Russian Arctic. A third 'fictitious' alternative could be general development of existing regional industry and new knowledge-based industries, development of ecotourism, establishment of national parks, accompanied by infrastructure improvement (roads, tunnels, communications, schools, etc.). The three alternatives will have different environmental consequences. The controversial hydropower plant for the smelter requires a large water reservoir as well as considerable land disturbance in this unique mountain territory, considered to be the largest uninhabited wilderness in Western Europe. The aluminium smelter and the oil refinery will give rise to substantial increase of the greenhouse gas (GHG) emissions of the country (about 20%). Then there is potential environmental risk associated with the refinery regarding oil spills at sea, which could have disastrous impact on the fisheries industry. However, the oil refinery does not require any hydropower development, which is a positive factor. Finally, the third alternative could be defined as a ''green'' solution whereby the detrimental environmental consequences of the two industrial solutions are mostly avoided. In order to compare the three alternatives in an orderly manner, the analytic hierarchy process methodology of Saaty was applied to calculate the environmental quality index of each alternative, which is defined as a weighted sum of selected environmental and socio-economic factors. These factors are evaluated on a comparison basis, applying the AHP methodology, and the weights in the quality index summation are estimated in the same manner. Six persons with different backgrounds were asked to fill in the comparison matrices in order to reduce bias in the evaluation. The final results show that the two industrial alternatives come out poorly, i.e. with low quality indices, whereas the third pseudo-alternative, i.e. general development, with a considerably higher quality index, is certainly worth a further study.

Solnes, Julius

2003-05-01T23:59:59.000Z

386

High Frequency Effects of Variable Frequency Drives (VFD) on Electrical Submersible Pump (ESP) Systems  

E-Print Network (OSTI)

Variable frequency drives (VFD) and subsea (umbilical) cables are frequently used in electrical submersible pump (ESP) systems for offshore platforms. There are two basic system configurations for ESP systems; VFD can be installed on the platform and the motor is connected to it through an umbilical cable, and VFD and the motor are installed closely and they are connected to the system through an umbilical cable. In this thesis, the pros and cons of each configuration are mentioned, but the focus is on the system with a VFD controlled motor through a long umbilical cable. A 36-pulse VFD is studied. Since multilevel VFDs have high frequency harmonics, high frequency modeling of the umbilical cable is used, and skin effect is also taken into consideration in the cable. The effect of the interactions between the umbilical cable and high frequency harmonics on the motor terminal voltage is explored.

Ozkentli, Esra

2012-08-01T23:59:59.000Z

387

High-frequency plasma-heating apparatus  

DOE Patents (OSTI)

An array of adjacent wave guides feed high-frequency energy into a vacuum chamber in which a toroidal plasma is confined by a magnetic field, the wave guide array being located between two toroidal current windings. Waves are excited in the wave guide at a frequency substantially equal to the lower frequency hybrid wave of the plasma and a substantially equal phase shift is provided from one guide to the next between the waves therein. For plasmas of low peripheral density gradient, the guides are excited in the TE.sub.01 mode and the output electric field is parallel to the direction of the toroidal magnetic field. For exciting waves in plasmas of high peripheral density gradient, the guides are excited in the TM.sub.01 mode and the magnetic field at the wave guide outlets is parallel to the direction of the toroidal magnetic field. The wave excited at the outlet of the wave guide array is a progressive wave propagating in the direction opposite to that of the toroidal current and is, therefore, not absorbed by so-called "runaway" electrons.

Brambilla, Marco (St. Egreve, FR); Lallia, Pascal (Grenoble, FR)

1978-01-01T23:59:59.000Z

388

Energy Research Information System. Volume 1, Number 4. cumulative indexes (project nos. 00000001 through 00000539). Quarterly report  

SciTech Connect

This cumulative index includes a state location index, an organization index and a subject keyword index incorporating the indexes from Energy Research Information System (ERIS), Volume 1, Numbers 1, 2, and 3. This issue, plus the first three ERIS reports, comprise a set of 539 research project references for the states of the Old West Region -- Montana, Nebraska, North Dakota, South Dakota and Wyoming.

Givens, B.M.; Boyd, C.A.

1976-08-01T23:59:59.000Z

389

APS User Newse 2010 Year-End Index  

NLE Websites -- All DOE Office Websites (Extended Search)

0 0 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 APS User News Year-End Index 2010 Issue 60 (02.19.10) 1. February 22nd Deadline for Nominations for the 2010 APSUO Rosalind Franklin Award 2. APS Proposal Deadline is March 5, 2010, for the 2010-2 Run Cycle 3. APSUO Steering Committee Seeking Potential Nominees 4. Dates to Remember Issue 61 (03.10.10) 1. February 22nd Deadline for Nominations for the 2010 APSUO Rosalind Franklin Award 2. APS Proposal Deadline is March 5, 2010, for the 2010-2 Run Cycle 3. APSUO Steering Committee Seeking Potential Nominees Issue 62 (03.10.10) MESSAGE FROM MURRAY SCIENCE NEWS 1. Jaramillo Recognized for Techniques to Study Quantum Effects at High Pressure 2. Science Highlights USER MATTERS 3. APS Upgrade Seminar Series Scheduled for Summer Months

390

Master EM Project Definition Rating Index - Facility Disposition Definitions  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

43 43 Master EM Project Definition Rating Index - Facility Disposition Definitions The following definitions describe the criteria required to achieve a maximum rating or maturity value of 5. It should be assumed that maturity values of 1-5 represent a subjective assessment of the quality of definition and/or the degree to which the end-state or maximum criteria have been met, or the product has been completed in accordance with the definition of maturity values. Rating Element Criteria for Maximum Rating COST A1 Cost Estimate A cost estimate has been developed and formally approved by DOE and is the basis for the cost baselines. The cost estimate is a reasonable approximation of Total Project Costs, and covers all phases of the project. The estimate is prepared in

391

Full field imaging based instantaneous hyperspectral absolute refractive index measurement  

SciTech Connect

Multispectral refractometers typically measure refractive index (RI) at discrete monochromatic wavelengths via a serial process. We report on the demonstration of a white light full field imaging based refractometer capable of instantaneous multispectral measurement of absolute RI of clear liquid/gel samples across the entire visible light spectrum. The broad optical bandwidth refractometer is capable of hyperspectral measurement of RI in the range 1.30 1.70 between 400nm 700nm with a maximum error of 0.0036 units (0.24% of actual) at 414nm for a = 1.50 sample. We present system design and calibration method details as well as results from a system validation sample.

Baba, Justin S [ORNL; Boudreaux, Philip R [ORNL

2012-01-01T23:59:59.000Z

392

Master EM Project Definition Rating Index - Traditional (Conventional) Definitions  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

17 Master EM Project Definition Rating Index - Traditional (Conventional) Definitions The following definitions describe the criteria required to achieve a maximum rating or maturity value of 5. It should be assumed that maturity values of 1-5 represent a subjective assessment of the quality of definition and/or the degree to which the end-state or maximum criteria have been met, or the product has been completed in accordance with the definition of maturity values. Rating Element Criteria for Maximum Rating COST A1 Cost Estimate A cost estimate has been developed and formally approved by DOE and is the basis for the cost baselines. The cost estimate is a reasonable approximation of Total Project Costs, and covers all phases of the project. The estimate is prepared in

393

Topic Index to the DOE Administrative Records Disposition Schedules  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

5/21/07 TOPICINDEXTODOEADMINSCHEDULES 5/21/07 TOPICINDEXTODOEADMINSCHEDULES Topic Index to the DOE Administrative Records Disposition Schedules (excluding the GRS Schedules) Topic Schedule Item [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] A Academic/Outreach Program 1 44 Access Request Files 18 6 Accountable Officers' Files 6 1 Accounting Administrative Files 6 5 Administrative Claims Files 6 10 Administrative Training Records 1 29.2 Administrative Issuances 16 1 Administrative - All Other copies of Administrative Issuances 16 1.6 Administrative Grievance, Disciplinary, and Adverse Action Files 1 30 Americans with Disabilities Act 1 42 Apprenticeship Program Files 1 45 Architectural Models 17 7

394

APS User Newse 2013 Year-End Index  

NLE Websites -- All DOE Office Websites (Extended Search)

3 3 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 APS User News Year-End Index 2013 Issue 84 (08.28.13) DIRECTOR'S CORNER APS UPGRADE NEWS by George Srajer, APS Upgrade Director USER MATTERS -- Three-Way Meeting Hosted at APS -- Tech Tuesdays -- Get Your Geek On: NUFO Goes to Capitol Hill -- APS User Program: New Roles -- Nobel Laureate Keynote Address Kicks Off Record-breaking Users Meeting -- APS Science 2012 Research and Engineering Highlights--Get Yours Today! -- APS Data Management Practices -- Quiet Vehicle Hazards BRIEFLY NOTED -- 2013 Arthur H. Compton Award Recognizes "Top-Up" Operation Founders -- Art of Science Entries Sought! -- Next U.S. Particle Accelerator School -- Scientific American Blog Highlights the Need for Scientists to Do Own

395

APS User Newse 2011 Year-End Index  

NLE Websites -- All DOE Office Websites (Extended Search)

1 1 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 APS User News Year-End Index 2011 Issue 67 (02.10.11) DIRECTOR'S CORNER SCIENCE NEWS 1. Science Highlights USER MATTERS 2. Reminder! Compton Award Nominations Sought! Deadline February 15 3. Seeking Nominees for the APSUO Steering Committee-Deadline March 31 4. X-ray App for I-Phone, I-Touch, I-Pad FACILITY NEWS 5. 2011 APS/CNM/EMC Users Meeting: HIGHLIGHT, PROMOTE, STIMULATE USER SCIENCE 6. In Memoriam: Bob Batterman AWARDS AND HONORS 7. Lahsen Assoufid Named Fellow of the Optical Society 8. George Srajer and Jin Wang Elected Fellows of the American Physical Society BRIEFLY NOTED -- 2011 American Association for the Advancement of Science Annual Meeting, February 17-21, 2011 -- 13th National School on Neutron and X-ray Scattering: Application

396

Semiconductor laser devices having lateral refractive index tailoring  

DOE Patents (OSTI)

A broad-area semiconductor laser diode includes an active lasing region interposed between an upper and a lower cladding layer, the laser diode further comprising structure for controllably varying a lateral refractive index profile of the diode to substantially compensate for an effect of junction heating during operation. In embodiments disclosed the controlling structure comprises resistive heating strips or non-radiative linear junctions disposed parallel to the active region. Another embodiment discloses a multi-layered upper cladding region selectively disordered by implanted or diffused dopant impurities. Still another embodiment discloses an upper cladding layer of variable thickness that is convex in shape and symmetrically disposed about a central axis of the active region. The teaching of the invention is also shown to be applicable to arrays of semiconductor laser diodes.

Ashby, C.I.H.; Hadley, G.R.; Hohimer, J.P.; Owyoung, A.

1989-06-15T23:59:59.000Z

397

Developing an operational capabilities index of the emergency services sector.  

Science Conference Proceedings (OSTI)

In order to enhance the resilience of the Nation and its ability to protect itself in the face of natural and human-caused hazards, the ability of the critical infrastructure (CI) system to withstand specific threats and return to normal operations after degradation must be determined. To fully analyze the resilience of a region and the CI that resides within it, both the actual resilience of the individual CI and the capability of the Emergency Services Sector (ESS) to protect against and respond to potential hazards need to be considered. Thus, a regional resilience approach requires the comprehensive consideration of all parts of the CI system as well as the characterization of emergency services. This characterization must generate reproducible results that can support decision making with regard to risk management, disaster response, business continuity, and community planning and management. To address these issues, Argonne National Laboratory, in collaboration with the U.S. Department of Homeland Security (DHS) Sector Specific Agency - Executive Management Office, developed a comprehensive methodology to create an Emergency Services Sector Capabilities Index (ESSCI). The ESSCI is a performance metric that ranges from 0 (low level of capabilities) to 100 (high). Because an emergency services program has a high ESSCI, however, does not mean that a specific event would not be able to affect a region or cause severe consequences. And because a program has a low ESSCI does not mean that a disruptive event would automatically lead to serious consequences in a region. Moreover, a score of 100 on the ESSCI is not the level of capability expected of emergency services programs; rather, it represents an optimal program that would rarely be observed. The ESSCI characterizes the state of preparedness of a jurisdiction in terms of emergency and risk management. Perhaps the index's primary benefit is that it can systematically capture, at a given point in time, the capabilities of a jurisdiction to protect itself from, mitigate, respond to, and recover from a potential incident. On the basis of this metric, an interactive tool - the ESSCI Dashboard - can identify scenarios for enhancement that can be implemented, and it can identify the repercussions of these scenarios on the jurisdiction. It can assess the capabilities of law enforcement, fire fighting, search and rescue, emergency medical services, hazardous materials response, dispatch/911, and emergency management services in a given jurisdiction and it can help guide those who need to prioritize what limited resources should be used to improve these capabilities. Furthermore, this tool can be used to compare the level of capabilities of various jurisdictions that have similar socioeconomic characteristics. It can thus help DHS define how it can support risk reduction and community preparedness at a national level. This tool aligns directly with Presidential Policy Directive 8 by giving a jurisdiction a metric of its ESS's capabilities and by promoting an interactive approach for defining options to improve preparedness and to effectively respond to a disruptive event. It can be used in combination with other CI performance metrics developed at Argonne National Laboratory, such as the vulnerability index and the resilience index for assessing regional resilience.

Collins, M.J.; Eaton, L.K.; Shoemaker, Z.M.; Fisher, R.E.; Veselka, S.N.; Wallace, K.E.; Petit, F.D. (Decision and Information Sciences)

2012-02-20T23:59:59.000Z

398

Fundamental Frequency Switching Control of Seven-Level Hybrid Cascaded H-bridge Multilevel Inverter  

Science Conference Proceedings (OSTI)

This paper presents a cascaded H-bridge multilevel inverter that can be implemented using only a single dc power source and capacitors. Standard cascaded multilevel inverters require n dc sources for 2n + 1 levels. Without requiring transformers, the scheme proposed here allows the use of a single dc power source (e.g., a battery or a fuel cell stack) with the remaining n-1 dc sources being capacitors, which is referred to as hybrid cascaded H-bridge multilevel inverter (HCMLI) in this paper. It is shown that the inverter can simultaneously maintain the dc voltage level of the capacitors and choose a fundamental frequency switching pattern to produce a nearly sinusoidal output. HCMLI using only a single dc source for each phase is promising for high-power motor drive applications as it significantly decreases the number of required dc power supplies, provides high-quality output power due to its high number of output levels, and results in high conversion efficiency and low thermal stress as it uses a fundamental frequency switching scheme. This paper mainly discusses control of seven-level HCMLI with fundamental frequency switching control and how its modulation index range can be extended using triplen harmonic compensation.

Du, Zhong [ORNL; Chiasson, John N [ORNL; Ozpineci, Burak [ORNL; Tolbert, Leon M [ORNL

2009-01-01T23:59:59.000Z

399

Interruptible Physical Transmission Contracts for Congestion Management  

E-Print Network (OSTI)

risk neutral with respect to any unexpected equipment outages, This risk is automatically born high [8]. Second, the transaction and information cost to traders may be very high [5]. Third, markets and equipment outage uncertainty. One of the ways to circumvent these uncertainties and project the price

Ilic, Marija D.

400

Prebake Potline Restart after Power Supply Interruption  

Science Conference Proceedings (OSTI)

Cryoscopic Data for Hall-Héroult Bath Containing Magnesium Fluoride, Calcium Fluoride, Potassium Cryolite, and Sodium Chloride · Current Distribution and ...

Note: This page contains sample records for the topic "interruption frequency index" 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

Definition: Advanced Interrupting Switch | Open Energy Information  

Open Energy Info (EERE)

sectionalizing to isolate faults.1 Related Terms fault References https:www.smartgrid.govcategorytechnologyadvancedinterruptingswitch C LikeLike UnlikeLike You...

402

Self isolating high frequency saturable reactor  

DOE Patents (OSTI)

The present invention discloses a saturable reactor and a method for decoupling the interwinding capacitance from the frequency limitations of the reactor so that the equivalent electrical circuit of the saturable reactor comprises a variable inductor. The saturable reactor comprises a plurality of physically symmetrical magnetic cores with closed loop magnetic paths and a novel method of wiring a control winding and a RF winding. The present invention additionally discloses a matching network and method for matching the impedances of a RF generator to a load. The matching network comprises a matching transformer and a saturable reactor.

Moore, James A. (Powell, TN)

1998-06-23T23:59:59.000Z

403

Communicating oscillatory networks: Frequency Domain Analysis  

E-Print Network (OSTI)

-deterministic models and used the presented techni- que of frequency domain analysis to investigate the differ- ences. The quasi-deterministic models are constructed from exactly the same reaction scheme and kinetic para- meters, however the kinetic functions... significant role in our findings. Note in particular from Additional file 1 Table S4 that the two species that directly perturb the cell cycle (namely p53a and NF-#1;Bn) have low stochasticity, so any noise inherent in their respective net- works does...

Ihekwaba, Adaoha E C; Sedwards, Sean

2011-12-22T23:59:59.000Z

404

Low frequency pressure modulation of indium antimonide  

Science Conference Proceedings (OSTI)

A lumped parameter resonator capable of generating megapascal pressures at low frequency (kilohertz) is described. Accelerometers are used to determine the applied pressure, and are calibrated with a piezoelectric sample. A laser diagnostic was also developed to measure the pressure in semiconductor samples through the band gap pressure dependence. In addition, the laser diagnostic has been used to measure the attenuation coefficient {alpha} of commercially available indium antimonide (InSb) wafers. The resonator and laser diagnostic have been used with InSb samples to verify the pressure response.

Hallock, Gary A. [University of Texas at Austin, Austin, Texas 78712-0240 (United States); Meier, Mark A. [ExxonMobil Upstream Research Company, Houston, Texas 77252-2189 (United States)

2012-07-15T23:59:59.000Z

405

Energy Research Information System. Projects report. Volume 2, Number 4. Cumulative Indexes (Project Nos. 00000540 through 00001080)  

SciTech Connect

The Cumulative Indexes include a state-location index, a personal name index, an organization index and a subject keyword index incorporating the indexes from ERIS Volume 2, Nos. 1, 2, and 3. This issue, plus the entire contents of Volume 1 and Volume 2, comprise a set of 1080 research project references for the states of the Old West region - Montana, Nebraska, North Dakota, South Dakota and Nebraska.

Boyd, C.A.; Schillinger, L.A.

1977-12-01T23:59:59.000Z

406

THE IMPACT OF FREQUENCY STANDARDS ON COHERENCE IN VLBI AT THE HIGHEST FREQUENCIES  

SciTech Connect

We have carried out full imaging simulation studies to explore the impact of frequency standards in millimeter and submillimeter very long baseline interferometry (VLBI), focusing on the coherence time and sensitivity. In particular, we compare the performance of the H-maser, traditionally used in VLBI, to that of ultra-stable cryocooled sapphire oscillators over a range of observing frequencies, weather conditions, and analysis strategies. Our simulations show that at the highest frequencies, the losses induced by H-maser instabilities are comparable to those from high-quality tropospheric conditions. We find significant benefits in replacing H-masers with cryocooled sapphire oscillator based frequency references in VLBI observations at frequencies above 175 GHz in sites which have the best weather conditions; at 350 GHz we estimate a 20%-40% increase in sensitivity over that obtained when the sites have H-masers, for coherence losses of 20%-10%, respectively. Maximum benefits are to be expected by using co-located Water Vapor Radiometers for atmospheric correction. In this case, we estimate a 60%-120% increase in sensitivity over the H-maser at 350 GHz.

Rioja, M.; Dodson, R. [ICRAR, University of Western Australia, Perth (Australia); Asaki, Y. [Institute of Space and Astronautical Science, 3-1-1 Yoshinodai, Chuou, Sagamihara, Kanagawa 252-5210 (Japan); Hartnett, J. [School of Physics, University of Western Australia, Perth (Australia); Tingay, S., E-mail: maria.rioja@icrar.org [ICRAR, Curtin University, Perth (Australia)

2012-10-01T23:59:59.000Z

407

Trirotron: triode rotating beam radio frequency amplifier  

DOE Patents (OSTI)

High efficiency amplification of radio frequencies to very high power levels including: establishing a cylindrical cloud of electrons; establishing an electrical field surrounding and coaxial with the electron cloud to bias the electrons to remain in the cloud; establishing a rotating electrical field that surrounds and is coaxial with the steady field, the circular path of the rotating field being one wavelength long, whereby the peak of one phase of the rotating field is used to accelerate electrons in a beam through the bias field in synchronism with the peak of the rotating field so that there is a beam of electrons continuously extracted from the cloud and rotating with the peak; establishing a steady electrical field that surrounds and is coaxial with the rotating field for high-energy radial acceleration of the rotating beam of electrons; and resonating the rotating beam of electrons within a space surrounding the second field, the space being selected to have a phase velocity equal to that of the rotating field to thereby produce a high-power output at the frequency of the rotating field.

Lebacqz, Jean V. (Stanford, CA)

1980-01-01T23:59:59.000Z

408

Simple Low-Frequency Beam Pickup  

SciTech Connect

Detection of the field induced by a beam outside of the beam pipe can be used as a beam diagnostic. Wires placed in longitudinal slots in the outside wall of the beam pipe can be used as a beam pickup. This has a very small beam-coupling impedance and avoids complications of having a feedthrough. The signal can be reasonably high at low frequencies. We present a field waveform at the outer side of a beam pipe, obtained as a result of calculations and measurements. We calculate the beam-coupling impedance due to a long longitudinal slot in the resistive wall and the signal induced in a wire placed in such a slot and shielded by a thin screen from the beam. These results should be relevant for impedance calculations of the slot in an antechamber and for slots in the PEP-II distributed ion pump screens. The design of the low-frequency beam position monitor is very simple. It can be used in storage rings, synchrotron light sources, and free electron lasers, like LINAC coherent light source.

Novokhatski, A.; Heifets, S.; /SLAC; Aleksandrov, A.; /Oak Ridge

2011-10-12T23:59:59.000Z

409

Effect of Body Mass Index on Intrafraction Prostate Displacement Monitored by Real-Time Electromagnetic Tracking  

Science Conference Proceedings (OSTI)

Purpose: To evaluate, using real-time monitoring of implanted radiofrequency transponders, the intrafraction prostate displacement of patients as a function of body mass index (BMI). Methods and Materials: The motions of Beacon radiofrequency transponders (Calypso Medical Technologies, Seattle, WA) implanted in the prostate glands of 66 men were monitored throughout the course of intensity modulated radiation therapy. Data were acquired at 10 Hz from setup to the end of treatment, but only the 1.7 million data points with a 'beam on' tag were used in the analysis. There were 21 obese patients, with BMI {>=}30 and 45 nonobese patients in the study. Results: Mean displacements were least in the left-right lateral direction (0.56 {+-} 0.24 mm) and approximately twice that magnitude in the superior-inferior and anterior-posterior directions. The net vector displacement was larger still, 1.95 {+-} 0.47 mm. Stratified by BMI cohort, the mean displacements per patient in the 3 Cartesian axes as well as the net vector for patients with BMI {>=}30 were slightly less (<0.2 mm) but not significantly different than the corresponding values for patients with lower BMIs. As a surrogate for the magnitude of oscillatory noise, the standard deviation for displacements in all measured planes showed no significant differences in the prostate positional variability between the lower and higher BMI groups. Histograms of prostate displacements showed a lower frequency of large displacements in obese patients, and there were no significant differences in short-term and long-term velocity distributions. Conclusions: After patients were positioned accurately using implanted radiofrequency transponders, the intrafractional displacements in the lateral, superior-inferior, and anterior-posterior directions as well as the net vector displacements were smaller, but not significantly so, for obese men than for those with lower BMI.

Butler, Wayne M., E-mail: wbutler@wheelinghospital.org [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States); Wheeling Jesuit University, Wheeling, West Virginia (United States); Morris, Mallory N. [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States)] [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States); Merrick, Gregory S. [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States) [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States); Wheeling Jesuit University, Wheeling, West Virginia (United States); Kurko, Brian S.; Murray, Brian C. [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States)] [Schiffler Cancer Center, Wheeling Hospital, Wheeling, West Virginia (United States)

2012-10-01T23:59:59.000Z

410

High-frequency Light Reflector via Low-frequency Light Control  

E-Print Network (OSTI)

We show that the momentum of light can be reversed via the atomic coherence created by another light with one or two orders of magnitude lower frequency. Both the backward retrieval of single photons from a time-ordered Dicke state and the reflection of continuous waves by high-order photonic band gaps are analyzed. A proof-of-principle experiment with thermal Rb vapor is proposed based on presently available techniques. This holds promise for X-ray reflectors controlled by low-frequency light.

Wang, Da-Wei; Evers, Joerg; Scully, Marlan O

2013-01-01T23:59:59.000Z

411

Energy Storage for Use in Load Frequency Control  

E-Print Network (OSTI)

Certain energy storage technologies are well-suited to the high-frequency, high-cycling operation which is required in provision of load frequency control (LFC). To limit the total stored energy capacity required while ...

Leitermann, Olivia

412

Automatic calibration of modulated fractional-N frequency synthesizers  

E-Print Network (OSTI)

The focus of this research has been the development of a low power, radio frequency transmitter architecture. Specifically, a technique for in service automatic calibration of a modulated phase locked loop (PLL) frequency ...

McMahill, Dan

2001-01-01T23:59:59.000Z

413

Calculated and Measured Air and Soil Freeze-Thaw Frequencies  

Science Conference Proceedings (OSTI)

Freeze-thaw frequencies calculated by eight different counting methods were compared using daily maximum and minimum temperatures from eight north-central United States National Weather Service (NWS) stations. These frequencies were also compared ...

Donald G. Baker; David L. Ruschy

1995-10-01T23:59:59.000Z

414

Energy storage for frequency regulation on the electric grid  

E-Print Network (OSTI)

Ancillary services such as frequency regulation are required for reliable operation of the electric grid. Currently, the same traditional thermal generators that supply bulk power also perform nearly all frequency regulation. ...

Leitermann, Olivia

2012-01-01T23:59:59.000Z

415

Trends in Northern Hemisphere Surface Cyclone Frequency and Intensity  

Science Conference Proceedings (OSTI)

One of the hypothesized effects of global warming from increasing concentrations of greenhouse gases is a change in the frequency and/or intensity of extratropical cyclones. In this study, winter frequencies and intensities of extratropical ...

Gregory J. McCabe; Martyn P. Clark; Mark C. Serreze

2001-06-01T23:59:59.000Z

416

Low-Pass Filters to Suppress Inertial and Tidal Frequencies  

Science Conference Proceedings (OSTI)

A systematic way is given to design digital filters which allow clear separation of signals with periods of a few days from noise of higher frequency, particularly tidal and inertial. Several examples are given which pass little high-frequency ...

Rory O. R. Y. Thompson

1983-06-01T23:59:59.000Z

417

Cyclone Occurrence Mapping: Equal Area or Raw Frequencies?  

Science Conference Proceedings (OSTI)

Meteorological data extracted from maps and charts is frequently normalized for area because grid cell size changes with latitude. Raw and area-normalized cyclone frequency data were compared. Area normalization deforms mean frequency patterns. ...

Bruce P. Hayden

1981-01-01T23:59:59.000Z

418

Regulatory and technical reports (abstract index journal): Compilation for third quarter 1994, July--September. Volume 19, Number 3  

SciTech Connect

This compilation consists of bibliographic data and abstracts for the formal regulatory and technical reports issues by the U.S. Nuclear Regulatory Commission (NRC) Staff and its contractors. It is NRC`s intention to publish this compilation quarterly and to cumulate it annually. The main citations and abstracts in this compilation are listed in NUREG number order: NUREG-XXXX, NUREG/CP-XXXX, NUREG/CR-XXXX, and NUREG/IA-XXXX. These precede the following indexes: Secondary Report Number Index, Personal Author Index, Subject Index, NRC Originating Organization Index (Staff Reports), NRC Originating Organization Index (International Agreements), NRC Contract Sponsor Index (Contractor Reports) Contractor Index, International Organization Index, Licensed Facility Index. A detailed explanation of the entries precedes each index.

Not Available

1994-12-01T23:59:59.000Z

419

Discrete diffusion Monte Carlo for frequency-dependent radiative transfer  

SciTech Connect

Discrete Diffusion Monte Carlo (DDMC) is a technique for increasing the efficiency of Implicit Monte Carlo radiative-transfer simulations. In this paper, we develop an extension of DDMC for frequency-dependent radiative transfer. We base our new DDMC method on a frequency-integrated diffusion equation for frequencies below a specified threshold. Above this threshold we employ standard Monte Carlo. With a frequency-dependent test problem, we confirm the increased efficiency of our new DDMC technique.

Densmore, Jeffrey D [Los Alamos National Laboratory; Kelly, Thompson G [Los Alamos National Laboratory; Urbatish, Todd J [Los Alamos National Laboratory

2010-11-17T23:59:59.000Z

420

Robust Low-Frequency Spread-Spectrum Navigation System ...  

•Military, emergency, and law-enforcement safety applications •Radio-frequency communications, wireless security, and intermodal logistics

Note: This page contains sample records for the topic "interruption frequency index" 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

Nanocomposite Alloy Design for High Frequency Power Conversion ...  

Science Conference Proceedings (OSTI)

Presentation Title, Nanocomposite Alloy Design for High Frequency Power ... of power electronic components and systems for power conditioning and grid ...

422

An analysis on the mid-latitude scintillation and coherence frequency bandwidth using transionospheric VHF signals  

Science Conference Proceedings (OSTI)

An analysis was perfonned on the mid-latitude scintillation and coherence frequency bandwidth (Fcoh) using transionospheric VHF signal data. The data include 1062 events spanning from November 1997 to June 2002. Each event records FORTE satellite received VHF signals from LAPP located at Los Alamos, New Mexico. Fcohs were derived to study scintillation characteristics on diurnal and seasonal variations, as well as changes due to solar and geomagnetic activities. Comparisons to the VHFIUHF coherence frequency bandwidth studies previously reported at equatorial and mid-latitude regions are made using a 4th power frequency dependence relationship. Furthennore, a wideband ionospheric scintillation model, WBMOD, was used to estimate Fcohs and compared with our VHF Fcoh values. Our analysis indicates mid-latitude scintillation characteristics that are not previously revealed. At the VHF bottom frequency range (3035 MHz), distinguished smaller Fcohs are found in time period from sunset to midnight, in wann season from May to August, and in low solar activity years. The effects of geomagnetic storm activity on Fcoh are characterized by a sudden transition at a Kp index of 50-60. Comparisons with median Fcohs estimated from other studies validated our VHF Fcohs for daytime while an order of magnitude larger Fcohs are found for nighttime, implying a time-dependent issue in applying the 4th order power relationship. Furthermore, comparisons with WBMOD-estimated Fcohs indicated generally matched median scintillation level estimates while differences do exist for those events undergoing high geomagnetic stonn activity which may imply underestimates of scintillation level by the WBMOD in the mid-latitude regions.

Juang, Zhen [Los Alamos National Laboratory; Roussel-dupre, Robert [Los Alamos National Laboratory

2008-01-01T23:59:59.000Z

423

Alternative Approaches for Incentivizing the Frequency Responsive Reserve Ancillary Service  

Science Conference Proceedings (OSTI)

Frequency responsive reserve is the autonomous response of generators and demand response to deviations of system frequency, usually as a result of the instantaneous outage of a large supplier. This article discusses the issues that can occur without proper incentives and even disincentives, and proposes alternatives to introduce incentives for resources to provide frequency responsive reserve to ensure an efficient and reliable power system.

Ela, E.; Tuohy, A.; Milligan, M.; Kirby, B.; Brooks, D.

2012-05-01T23:59:59.000Z

424

Algorithms for the generalized weighted frequency assignment problem  

Science Conference Proceedings (OSTI)

We report the performance of 15 construction heuristics to find initial solutions, and 4 search algorithms to solve a frequency assignment problem where the value of an assigned frequency is determined by the site where it is assigned. The algorithms ... Keywords: Cross entropy, Frequency assignment, Genetic algorithm, Heuristics, Simulated annealing, Tabu search

David F. MuñOz; Diego F. MuñOz

2012-12-01T23:59:59.000Z

425

Resonant frequency method for bearing ball inspection  

DOE Patents (OSTI)

The present invention provides for an inspection system and method for detecting defects in test objects which includes means for generating expansion inducing energy focused upon the test object at a first location, such expansion being allowed to contract, thereby causing pressure wave within and on the surface of the test object. Such expansion inducing energy may be provided by, for example, a laser beam or ultrasonic energy. At a second location, the amplitudes and phases of the acoustic waves are detected and the resonant frequencies' quality factors are calculated and compared to predetermined quality factor data, such comparison providing information of whether the test object contains a defect. The inspection system and method also includes means for mounting the bearing ball for inspection.

Khuri-Yakub, B. T. (Palo Alto, CA); Hsieh, Chung-Kao (Stanford, CA)

1993-01-01T23:59:59.000Z

426

Resonant frequency method for bearing ball inspection  

DOE Patents (OSTI)

The present invention provides for an inspection system and method for detecting defects in test objects which includes means for generating expansion inducing energy focused upon the test object at a first location, such expansion being allowed to contract, thereby causing pressure wave within and on the surface of the test object. Such expansion inducing energy may be provided by, for example, a laser beam or ultrasonic energy. At a second location, the amplitudes and phases of the acoustic waves are detected and the resonant frequencies' quality factors are calculated and compared to predetermined quality factor data, such comparison providing information of whether the test object contains a defect. The inspection system and method also includes means for mounting the bearing ball for inspection. 5 figures.

Khuri-Yakub, B.T.; Chungkao Hsieh.

1993-11-02T23:59:59.000Z

427

The Impact of Body Mass Index on Heterotopic Ossification  

SciTech Connect

Purpose: To analyze the impact of different body mass index (BMI) as a surrogate marker for heterotopic ossification (HO) in patients who underwent surgical repair (SR) for displaced acetabular fractures (DAF) followed by radiation therapy (RT). Methods and Materials: This is a single-institution retrospective study of 395 patients. All patients underwent SR for DAF followed by RT {+-} indomethacin. All patients received postoperative RT, 7 Gy, within 72 h. The patients were separated into four groups based on their BMI: <18.5, 18.5-24.9, 25-29.9, and >30. The end point of this study was to evaluate the efficacy of RT {+-} indomethacin in preventing HO in patients with different BMI. Results: Analysis of BMI showed an increasing incidence of HO with increasing BMI: <18.5, (0%) 0/6 patients; 18.5-24.9 (6%), 6 of 105 patients developed HO; 25-29.9 (19%), 22 of 117; >30 (31%), 51 of 167. Chi-square and multivariate logistic regression analysis showed that the correlation between odds of HO and BMI is significant, p < 0.0001. As the BMI increased, the risk of HO and Brooker Classes 3, 4 HO increased. The risk of developing HO is 1.0 Multiplication-Sign (10%) more likely among those with higher BMI compared with those with lower BMI. For a one-unit increase in BMI the log odds of HO increases by 1.0, 95% CI (1.06-1.14). Chi-square test shows no significant difference among all other factors and HO (e.g., indomethacin, race, gender). Conclusions: Despite similar surgical treatment and prophylactic measures (RT {+-} indomethacin), the risk of HO appears to significantly increase in patients with higher BMI after DAF. Higher single-fraction doses or multiple fractions and/or combination therapy with nonsteroidal inflammatory drugs may be of greater benefit to these patients.

Mourad, Waleed Fouad, E-mail: Waleed246@gmail.com [Department of Radiation Oncology, University of Mississippi Medical Center, Jackson, MS (United States); Department of Radiation Oncology, Beth Israel Medical Center, New York, NY (Israel); Department of Radiation Oncology, Albert Einstein College of Medicine of Yeshiva University, Bronx, NY (United States); Packianathan, Satya [Department of Radiation Oncology, University of Mississippi Medical Center, Jackson, MS (United States); Shourbaji, Rania A. [Department of Epidemiology and Biostatistics, Jackson State University, Jackson, MS (United States); Zhang Zhen; Graves, Mathew [Department of Orthopedic Surgery, University of Mississippi Medical Center, Jackson, MS (United States); Khan, Majid A. [Department of Radiology, University of Mississippi Medical Center, Jackson, MS (United States); Baird, Michael C. [Department of Radiation Oncology, University of Mississippi Medical Center, Jackson, MS (United States); Russell, George [Department of Orthopedic Surgery, University of Mississippi Medical Center, Jackson, MS (United States); Vijayakumar, Srinivasan [Department of Radiation Oncology, University of Mississippi Medical Center, Jackson, MS (United States)

2012-04-01T23:59:59.000Z

428

Index Cycles in the Northern Hemisphere during the Global Weather Experiment  

Science Conference Proceedings (OSTI)

An index cycle occurring in the Northern Hemisphere during the late winter and spring of 1979 has been examined in detail using the ECMWF Level IIIb data set.

John W. Kidson

1985-04-01T23:59:59.000Z

429

A-Z Index - U.S. Energy Information Administration (EIA)  

U.S. Energy Information Administration (EIA)

Think of it like the index of a book. It is structured so that synonyms, acronyms, and cross-referencing provide multiple ways for you to access information.

430

Crystallization and Solidification Properties of LipidsChapter 12 Solid Fat Index vs. Solid Fat Content  

Science Conference Proceedings (OSTI)

Crystallization and Solidification Properties of Lipids Chapter 12 Solid Fat Index vs. Solid Fat Content Health Nutrition Biochemistry eChapters Health - Nutrition - Biochemistry   Downloadable pdf of C

431

Keyword index to unclassified ORGDP formal reports, July 1947--September 1973  

SciTech Connect

KWIC (Keywords in Context) permuted-title index is presented for all of the formal unclassified K-reports (July 1947 through September 1973) that have contributed significantly to gaseous diffusion technology. An author index and a document number index are also included. These latter two indexes contain complete citations to the original documents. (auth) ion efficiency of neon isotopes by gaseous diffusion as a function of pressure with three significantiy different types of geometrical flow channels was made. The experimental apparatus for performing the study and some results are described. A large body of data was collected. A complete description of the work is presently in publication. (TFD)

Ferguson, J.B.; Fraser, R.J.

1974-01-01T23:59:59.000Z

432

Body Mass Index, Neighborhood Fast Food and Restaurant Concentration, and Car Ownership  

E-Print Network (OSTI)

Restaurant Concentration, and Car Ownership Sanae Inagami,body mass index and whether car ownership might moderateRESTAURANT CONCENTRATION, AND CAR OWNERSHIP Quiznos, Little

Inagami, Sanae; Cohen, Deborah A.; Brown, Arleen F.; Asch, Steven M.

2009-01-01T23:59:59.000Z

433

Index of /~jborwein/Expbook/Manuscript/Graphics files/please_convert  

E-Print Network (OSTI)

Index of /~jborwein/Expbook/Manuscript/Graphics files/please_convert. Icon Name Last modified Size Description. [DIR] Parent Directory - [DIR] ...

434

Role of the atmospheric zonal index cycle in solar/terrestrial coupling  

DOE Green Energy (OSTI)

An explanation of the weather changes and solar flux availability due to upper atmosphere wind currents (zonal index) is attempted. (WHK)

Frenzen, P

1979-01-01T23:59:59.000Z

435

A comparison of the glycemic index of sorghum and other commonly consumed grains.  

E-Print Network (OSTI)

??Little in vivo research on glycemic index (GI) values or the digestive impact of sorghum based food products currently exists. Because sorghum is a gluten-free… (more)

Pruett, Ashley

2012-01-01T23:59:59.000Z

436

Time-resolved Hyperspectral Fluorescence Spectroscopy using Frequency Modulated Excitation  

SciTech Connect

An intensity-modulated excitation light source is used together with a micro channel plate intensified CCD (ICCD) detector gated at a slightly different frequency to generate a beat frequency from a fluorescent sample. The addition of a spectrograph produces a hyperspectral time-resolved data product where the resulting beat frequency is detected with a low frame rate camera. Measuring the beat frequency of the spectrum as a function of time allows separation of the excited fluorescence from ambient constant light sources. The excitation and detector repetition rates are varied over a range of discrete frequencies, and the phase shift of the beat wave maps out the emission decay rate(s).

,; Neill, M

2012-07-01T23:59:59.000Z

437

Energy Transfer from High-Shear, Low-Frequency Internal Waves to High-Frequency Waves near Kaena Ridge, Hawaii  

Science Conference Proceedings (OSTI)

Evidence is presented for the transfer of energy from low-frequency inertial–diurnal internal waves to high-frequency waves in the band between 6 cpd and the buoyancy frequency. This transfer links the most energetic waves in the spectrum, those ...

Oliver M. Sun; Robert Pinkel

2012-09-01T23:59:59.000Z

438

Method of detecting system function by measuring frequency response  

Science Conference Proceedings (OSTI)

Methods of rapidly measuring an impedance spectrum of an energy storage device in-situ over a limited number of logarithmically distributed frequencies are described. An energy storage device is excited with a known input signal, and a response is measured to ascertain the impedance spectrum. An excitation signal is a limited time duration sum-of-sines consisting of a select number of frequencies. In one embodiment, magnitude and phase of each frequency of interest within the sum-of-sines is identified when the selected frequencies and sample rate are logarithmic integer steps greater than two. This technique requires a measurement with a duration of one period of the lowest frequency. In another embodiment, where selected frequencies are distributed in octave steps, the impedance spectrum can be determined using a captured time record that is reduced to a half-period of the lowest frequency.

Morrison, John L.; Morrison, William H.; Christophersen, Jon P.; Motloch, Chester G.

2013-01-08T23:59:59.000Z

439

Method of detecting system function by measuring frequency response  

Science Conference Proceedings (OSTI)

Real-time battery impedance spectrum is acquired using a one-time record. Fast Summation Transformation (FST) is a parallel method of acquiring a real-time battery impedance spectrum using a one-time record that enables battery diagnostics. An excitation current to a battery is a sum of equal amplitude sine waves of frequencies that are octave harmonics spread over a range of interest. A sample frequency is also octave and harmonically related to all frequencies in the sum. The time profile of this signal has a duration that is a few periods of the lowest frequency. The voltage response of the battery, average deleted, is the impedance of the battery in the time domain. Since the excitation frequencies are known and octave and harmonically related, a simple algorithm, FST, processes the time record by rectifying relative to the sine and cosine of each frequency. Another algorithm yields real and imaginary components for each frequency.

Morrison, John L. (Butte, MT); Morrison, William H. (Manchester, CT); Christophersen, Jon P. (Idaho Falls, ID)

2012-04-03T23:59:59.000Z

440

The new Metals and Alloys Indexes -- Search Manual: A phase diagram research tool  

Science Conference Proceedings (OSTI)

A new Metals and Alloys (M&A) Indexes to the Powder Diffraction File (PDF) has been developed. These indexes will be immediately useful to material scientists because the indexes share many features with references such as Hansen, Elliot, Shunk, Pearson, and Villars and Calvert. These indexes, as contained in the Search Manual, may be used independently or in conjunction with the Powder Diffraction File. The book contains four indexes: two contain data for all materials in the M&A PDF, and two contain supporting data. The permuted-sort Alphabetical Formula Index brings together all entries containing a given element in alphabetical formula order. It has n entries for an n-component material and a straight-line format for the element being sorted to simplify reading the index. Thus, chemical knowledge can make identifications easier. Further, within binary and ternary phase diagrams, phases are listed in compositional order to facilitate direct use in phase diagram research. The Pearson Symbol Code Index has entries arranged in order of the Pearson Symbol Code, hence one can find all the materials with a given structure, and if desired, compare their atomic contents and lattice parameters. The latter are in the standard Crystal Data setting to aid in structural comparisons. The Common Names Index cross-references common metallurgical names, such as austenite or cementite, to the appropriate PDF data. The Strukturbericht Symbol Index cross-references Strukturbericht Symbols and the equivalent Pearson Symbols and Structure Prototypes. Examples of the uses of this index in phase diagram research are given.

Mueller, M.H. [Argonne National Lab., IL (United States); Wallace, P.L. [Los Alamos National Lab., NM (United States); Huang, T.C. [IBM Research Division, San Jose, CA (United States); Dann, J.N. [OSRAM Sylvania, Towanda, PA (United States)

1993-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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 New East Asian Winter Monsoon Index and Associated Characteristics of the Winter Monsoon  

Science Conference Proceedings (OSTI)

A new East Asian winter monsoon index, which reflects the 300-hPa meridional wind shear associated with the jet stream, was defined to describe the variability of the winter monsoon in midlatitude East Asia. This index represents very well the ...

Jong-Ghap Jhun; Eun-Jeong Lee

2004-02-01T23:59:59.000Z

442

Audio watermarking based on quantization index modulation using combined perceptual masking  

Science Conference Proceedings (OSTI)

In this paper, a robust audio watermarking scheme for MPEG-1/ Audio Layer II compressed domain is proposed. The scheme is implemented by modifying the subband coefficients using adaptive quantization index modulation. The watermarking procedure exploits ... Keywords: Digital audio watermarking, Masking threshold, Quantization index modulation, Subbands

Jyotsna Singh; Parul Garg; Alok Nath De

2012-08-01T23:59:59.000Z

443

Identifying, Indexing, and Ranking Chemical Formulae and Chemical Names in Digital Documents  

Science Conference Proceedings (OSTI)

End-users utilize chemical search engines to search for chemical formulae and chemical names. Chemical search engines identify and index chemical formulae and chemical names appearing in text documents to support efficient search and retrieval in the ... Keywords: Chemical name, chemical formula, conditional random fields, entity extraction, hierarchical text segmentation, independent frequent subsequence, index pruning, query models, ranking, similarity search, support vector machines

Bingjun Sun; Prasenjit Mitra; C. Lee Giles; Karl T. Mueller

2011-04-01T23:59:59.000Z

444

A Winter Weather Index for Estimating Winter Roadway Maintenance Costs in the Midwest  

Science Conference Proceedings (OSTI)

Winter roadway maintenance budget data for the state of Iowa have been combined with available climate data for a 6-yr period to create a winter weather index that provides a useful assessment of winter severity. The weather index can be combined ...

Craig G. Carmichael; William A. Gallus Jr.; Bradley R. Temeyer; Mark K. Bryden

2004-11-01T23:59:59.000Z

445

Site Index Curves for Direct-Seeded Loblolly and Longleaf Pines in Louisiana  

E-Print Network (OSTI)

Site Index Curves for Direct-Seeded Loblolly and Longleaf Pines in Louisiana Quang V. Cao, School index equations were developedfor direct-seeded loblollypine (Pinus taeda L.) and longleaf pine (Pinus- term height projection for direct-seeded loblolly and longleaf pine stands in Louisiana. South. J. Appl

Cao, Quang V.

446

Speech-based and video-supported indexing of multimedia broadcast news  

Science Conference Proceedings (OSTI)

This paper describes an automatic content indexing system for news programs, with a special emphasis on its segmentation process. The process can successfully segment an entire news program into topic-centered news stories; the primary tool is a linguistic ... Keywords: automatic speech recognition, content indexing, metadata generation, topic segmentation

Yoshihiko Hayashi; Katsutoshi Ohtsuki; Katsuji Bessho; Osamu Mizuno; Yoshihiro Matsuo; Shoichi Matsunaga; Minoru Hayashi; Takaaki Hasegawa; Naruhiro Ikeda

2003-07-01T23:59:59.000Z

447

LCNS, Vol 1279, pp. 364375, Springer 1997 Towards Optimal Locality in Mesh-Indexings  

E-Print Network (OSTI)

Tubingen, Sand 13, D-72076 Tubingen, fniedermr,reinhardg@informatik.uni-tuebingen.de partially supported like \\row-major." We present new tight results on 2-D and 3-D Hilbert indexings which are easy in the Hilbert indexing is bounded by 3 p ji? jj ? 2, a tight result previously given by Chochia, Cole

Wichmann, Felix

448

Pre-1866 Extensions of the Southern Oscillation Index Using Early Indonesian and Tahitian Meteorological Readings  

Science Conference Proceedings (OSTI)

Pressure data from Indonesia and Tahiti for years before 1866 are used to extend the Southern Oscillation index (SOI) back to 1841, with a gap between 1861 and 1865. Further extension is possible using an index of Jakarta rainday counts back to ...

G. P. Können; P. D. Jones; M. H. Kaltofen; R. J. Allan

1998-09-01T23:59:59.000Z

449

IS CHEMICAL INDEX OF ALTERATION (CIA) A RELIABLE PROXY FOR CHEMICAL WEATHERING IN GLOBAL DRAINAGE BASINS?  

E-Print Network (OSTI)

IS CHEMICAL INDEX OF ALTERATION (CIA) A RELIABLE PROXY FOR CHEMICAL WEATHERING IN GLOBAL DRAINAGE Road, Shanghai 200092 China; Tel: 86-21-6598 9130; Fax: 86-21-6598 6278 ABSTRACT. The chemical as the most important carrier of terrigenous materials into the sea. The chemical index of alteration (CIA

Yang, Shouye

450

Refractive index and density in F- and Cl-doped silica glasses  

Science Conference Proceedings (OSTI)

The refractive index and density of fluorine- and chlorine-doped silica glasses were measured as functions of fictive temperature. The halogen concentrations were observed to have a refractive index or density that is independent of the fictive temperature were found. This implies that these properties are not affected by any heat-treatment conditions.

Kakiuchida, Hiroshi; Shimodaira, Noriaki; Sekiya, Edson H.; Saito, Kazuya; Ikushima, Akira J. [Research Center for Advanced Photon Technology, Toyota Technological Institute, 2-12-1 Hisakata, Tempaku, Nagoya, Aichi 468-8511 (Japan); Research Center for Advanced Photon Technology, Toyota Technological Institute, 2-12-1 Hisakata, Tempaku, Nagoya, Aichi 468-8511, Japan and Research Center, Asahi Glass Co., Ltd., 1150 Hazawa-cho, Kanagawa, Yokohama, Kanagawa 221-8755 (Japan); Research Center for Advanced Photon Technology, Toyota Technological Institute, 2-12-1 Hisakata, Tempaku, Nagoya, Aichi 468-8511 (Japan)

2005-04-18T23:59:59.000Z

451

Stock Price and Index Forecasting by Arbitrage Pricing Theory-Based Gaussian TFA Learning  

E-Print Network (OSTI)

Stock Price and Index Forecasting by Arbitrage Pricing Theory-Based Gaussian TFA Learning Kai Chun take advantage of those models. In literature, forecasting of stock prices within the framework Xu, (2002) "Stock price and index forecasting by arbitrage pricing theory-based gaussian TFA learning

Xu, Lei

452

Gradient-Index (GRIN) lenses by Slurry-based Three-Dimensional Printing (S-3DP)  

E-Print Network (OSTI)

GRIN lenses with vertical index variation and radial index variation have been successfully fabricated using S-3DPTM. Two silica-based material systems, A1203-SiO? and BaO-SiO?, have been studied and used for the fabrication ...

Wang, Hong-Ren, 1973-

2005-01-01T23:59:59.000Z

453

On Indexing Sliding Windows over On-line Data Streams Lukasz Golab  

E-Print Network (OSTI)

On Indexing Sliding Windows over On-line Data Streams Lukasz Golab School of Comp. Sci. University and Engineering Research Council (NSERC) of Canada. 1 #12;Abstract We consider indexing sliding windows in main on a division of the sliding window into sub-windows. When a new sub-window fills up with newly arrived tuples

Waterloo, University of

454

About the Upper Bound of the Chiral Index of Multivariate Distributions  

SciTech Connect

A family of distributions in R{sup d} having a chiral index greater or equal to a constant arbitrarily close to 1/2 is exhibited. It is deduced that the upper bound of the chiral index lies in the interval [1/2; 1], for any dimension d.

Petitjean, Michel [DSV/iBiTec-S/SB2SM (CNRS URA 2096), CEA Saclay, 91191 Gif-sur-Yvette Cedex (France)

2008-11-06T23:59:59.000Z

455

Laser for high frequency modulated interferometry  

DOE Patents (OSTI)

A Stark-tuned laser operating in the 119 micron line of CH[sub 3]OH has an output power of several tens of milliwatts at 30 Watts of pump power while exhibiting a doublet splitting of about ten MHz with the application of a Stark field on the order of 500 volts/cm. This output power allows for use of the laser in a multi-channel interferometer, while its high operating frequency permits the interferometer to measure rapid electron density changes in a pellet injected or otherwise fueled plasma such as encountered in magnetic fusion devices. The laser includes a long far-infrared (FIR) pyrex resonator tube disposed within a cylindrical water jacket and incorporating charged electrodes for applying the Stark field to a gas confined therein. With the electrodes located within the resonator tube, the resonator tube walls are cooled by a flowing coolant without electrical breakdown in the coolant liquid during application of the Stark field. Wall cooling allows for substantially increased FIR output powers. Provision is made for introducing a buffer gas into the resonator tube for increasing laser output power and its operating bandwidth. 10 figures.

Mansfield, D.K.; Vocaturo, M.; Guttadora, L.J.

1991-07-23T23:59:59.000Z

456

Laser for high frequency modulated interferometry  

DOE Patents (OSTI)

A Stark-tuned laser operating in the 119 micron line of CH.sub.3 OH has an output power of several tens of milliwatts at 30 Watts of pump power while exhibiting a doublet splitting of about ten MHz with the application of a Stark field on the order of 500 volts/cm. This output power allows for use of the laser in a multi-channel interferometer, while its high operating frequency permits the interferometer to measure rapid electron density changes in a pellet injected or otherwise fueled plasma such as encountered in magnetic fusion devices. The laser includes a long far-infrared (FIR) pyrex resonator tube disposed within a cylindrical water jacket and incorporating charged electrodes for applying the Stark field to a gas confined therein. With the electrodes located within the resonator tube, the resonator tube walls are cooled by a flowing coolant without electrical breakdown in the coolant liquid during application of the Stark field. Wall cooling allows for substantially increased FIR output powers. Provision is made for introducing a buffer gas into the resonator tube for increasing laser output power and its operating bandwidth.

Mansfield, Dennis K. (E. Windsor, NJ); Vocaturo, Michael (Columbus, NJ); Guttadora, Lawrence J. (Iselin, NJ)

1991-01-01T23:59:59.000Z

457

Laser for high frequency modulated interferometry  

DOE Patents (OSTI)

A Stark-tuned laser operating in the 119 micron line of CH{sub 3}OH has an output power of several tens of milliwatts at 30 Watts of pump power while exhibiting a doublet splitting of about ten MHz with the application of a Stark field on the order of 500 volts/cm. This output power allows for use of the laser in a multi-channel interferometer, while its high operating frequency permits the interferometer to measure rapid electron density changes in a pellet injected or otherwise fueled plasma such as encountered in magnetic fusion device. The laser includes a long far-infrared (FIR) Pyrex resonator tube disposed within a cylindrical water jacket and incorporating charged electrodes for applying the Stark field to a gas confined therein. With the electrodes located within the resonator tube, the resonator tube walls are cooled by a flowing coolant without electrical breakdown in the coolant liquid during application of the Stark field. Wall cooling allows for substantially increased FIR output powers. Provision is made for introducing a buffer gas into the resonator tube for increasing laser output power and its operating bandwidth.

Mansfield, D.K.; Vocatura, M.; Guttadora, L.J.

1989-12-05T23:59:59.000Z

458

A Frequency Comb calibrated Solar Atlas  

E-Print Network (OSTI)

The solar spectrum is a primary reference for the study of physical processes in stars and their variation during activity cycles. In Nov 2010 an experiment with a prototype of a Laser Frequency Comb (LFC) calibration system was performed with the HARPS spectrograph of the 3.6m ESO telescope at La Silla during which high signal-to-noise spectra of the Moon were obtained. We exploit those Echelle spectra to study the optical integrated solar spectrum . The DAOSPEC program is used to measure solar line positions through gaussian fitting in an automatic way. We first apply the LFC solar spectrum to characterize the CCDs of the HARPS spectrograph. The comparison of the LFC and Th-Ar calibrated spectra reveals S-type distortions on each order along the whole spectral range with an amplitude of +/-40 m/s. This confirms the pattern found by Wilken et al. (2010) on a single order and extends the detection of the distortions to the whole analyzed region revealing that the precise shape varies with wavelength. A new da...

Molaro, P; Monai, S; Hernandez, J I Gonzalez; Hansch, T W; Holzwarth, R; Manescau, A; Pasquini, L; Probst, R A; Rebolo, R; Steinmetz, T; Udem, Th; Wilken, T

2013-01-01T23:59:59.000Z

459

Women's Empowerment in Agriculture Index: Proof of Concept | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Women's Empowerment in Agriculture Index: Proof of Concept Women's Empowerment in Agriculture Index: Proof of Concept Agriculture Community Menu DATA APPS EVENTS DEVELOPER STATISTICS COLLABORATE ABOUT Agriculture You are here Data.gov » Communities » Agriculture » Data Women's Empowerment in Agriculture Index: Proof of Concept Dataset Summary Description The index tracks change in women's empowerment that occurs as a direct or indirect result of Feed the Future interventions in targeted geographic zones within the initiative's 19 focus countries. Data for the WEAI will be collected every two years in all 19 countries, and baselines were collected in 2011 and 2012. USAID and partners will conduct data analyses to understand the relationships among empowerment, livelihoods, and food security, as well as relationships among the various components of the index.

460

Design Considerations for Frequency Responsive Grid Friendly Appliances  

SciTech Connect

The paper addresses design considerations for frequency responsive Grid FriendlyTM appliances (FR-GFAs). Case studies have been done based on the frequency data collected in 2003 in Western Electricity Coordinating Council (WECC) systems. An FR-GFA can turn on/off based on frequency signals and make selective low-frequency load shedding possible at appliance level. FR-GFAs can also be treated as an spinning reserve to maintain a load-to-generation balance under power system normal operation states. The triggering frequency and duration of the FR-GFA device with different frequency setting schemes are simulated. Design considerations of the FR-GFA are then discussed based on simulation results.

Lu, Ning; Hammerstrom, Donald J.

2006-05-24T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Quartz crystal microbalance based on passive frequency to voltage converter  

SciTech Connect

In dynamics of evaporation or drying of microdrops from a solid surface, a faster and precise quartz crystal microbalance (QCM) is needed. The fast QCM based on frequency to voltage converter is an attractive and powerful tool in the investigation of the dynamic regime of evaporation to translate the frequency shift in terms of a continuous voltage change. The frequency shift monitoring in fast QCM applications is a real challenge for electronic processing interface. Originally developed as a frequency shift processing interface, this novel passive frequency to voltage converter can produce faster, stable, and accurate results in regard to the QCM sensor behavior. In this article, the concept and circuit of passive frequency to voltage converter will be explained followed by static and dynamic characterization. Experimental results of microdrops evaporation will be given.

Burda, Ioan; Tunyagi, Arthur [Department of Physics, Babes-Bolyai University, Cluj-Napoca, 400084 (Romania)

2012-02-15T23:59:59.000Z

462

Computer simulation of low-frequency electromagnetic data acquisition  

DOE Green Energy (OSTI)

Computer simulation of low frequency electromagnetic (LFEM) digital data acquisition in the presence of natural field noise demonstrates several important limitations and considerations. Without the use of a remote reference noise removal scheme it is difficult to obtain an adequate ratio of signal to noise below 0.1 Hz for frequency domain processing and below 0.3 Hz base frequency for time domain processing for a typical source-receiver configuration. A digital high-pass filter substantially facilitates rejection of natural field noise above these frequencies but, at lower frequencies where much longer stacking times are required, it becomes ineffective. Use of a remote reference to subtract natural field noise extends these low-frequency limits a decade, but this technique is limited by the resolution and dynamic range of the instrumentation. Gathering data in short segments so that natural field drift can be offset for each segment allows a higher gain setting to minimize dynamic range problems.

SanFilipo, W.A.; Hohmann, G.W.

1982-02-01T23:59:59.000Z

463

Atomic Frequency standards Based on Pulsed Coherent Light Storage  

E-Print Network (OSTI)

We propose a new scheme of microwave frequency standards based on pulsed coherent optical information storage. Unlike the usual frequency reference where the Ramsey fringe is printed on the population of a certain state, we print the Ramsey fringe on the coherence. Then the coherence is detected in the form of a retrieval light. The central line of the Ramsey fringe can be used as a frequency reference in an absorption-cell-based atomic frequency standard. This scheme is free of light shifts as the interrogating process is separated from the optical pumping processes, and the cavity pulling effect is negligible due to the low Q requirement. Encoding the Ramsey interference into the retrieval light pulse has the merit of high signal to noise ratio and the estimated frequency stability of shot noise limit is about $2\\times10^{-14}$ in 1 second, this scheme is promising for building small, compact and stable atomic frequency standards.

Yan, Bo; Wang, Yuzhu

2008-01-01T23:59:59.000Z

464

Project Anticipated Midpoint Date -1 January 2009 (MCP Index = 2454) Cost Escalation Factor = MCP Index 1 Jan 09 / MCP Index 1 Oct 2007 = 2454/2391 = 1.0263  

E-Print Network (OSTI)

ENGLISH Project Anticipated Midpoint Date - 1 January 2009 (MCP Index = 2454) Cost Escalation on historic construction award data. Unit costs for a category codes have a limited number of awarded projects. The init cost database includes only new construction projects and does not include data from renovation

US Army Corps of Engineers

465

Evaluation of Accident Frequencies at the Canister Storage Bldg (CSB)  

DOE Green Energy (OSTI)

By using the fault tree logic, an evaluation of the design basis accident frequencies at the Canister Storage Building has been performed. The evaluation demonstrates that due to low frequency of occurrences, the following design basis accidents are considered not credible (annual frequency of less than 10{sup -6}): Rearrangement of multidster overpack (MCO) internals; Gaseous release from the MCO; MCO internal hydrogen explosion; MCO external hydrogen explosion; Thermal runaway reactions inside the MCO; and Violation of design temperature criteria.

LIU, Y.J.

1999-09-02T23:59:59.000Z

466

Method and apparatus for optical communication by frequency modulation  

DOE Patents (OSTI)

Laser optical communication according to this invention is carried out by producing multi-frequency laser beams having different frequencies, splitting one or more of these constituent beams into reference and signal beams, encoding information on the signal beams by frequency modulation and detecting the encoded information by heterodyne techniques. Much more information can be transmitted over optical paths according to the present invention than with the use of only one path as done previously.

Priatko, Gordon J. (Oakland, CA)

1988-01-01T23:59:59.000Z

467

High-frequency Probing Diagnostic for Hall Current Plasma Thrusters  

DOE Green Energy (OSTI)

High-frequency oscillations (1-100 MHz) in Hall thrusters have apparently eluded significant experimental scrutiny. A diagnostic setup, consisting of a single Langmuir probe, a special shielded probe connector-positioner, and an electronic impedance-matching circuit, was successfully built and calibrated. Through simultaneous high-frequency probing of the Hall thruster plasma at multiple locations, high-frequency plasma waves have been identified and characterized for various thruster operating conditions.

A.A. Litvak; Y. Raitses; N.J. Fisch

2001-10-25T23:59:59.000Z

468

On-clip high frequency reliability and failure test structures  

DOE Patents (OSTI)

Self-stressing test structures for realistic high frequency reliability characterizations. An on-chip high frequency oscillator, controlled by DC signals from off-chip, provides a range of high frequency pulses to test structures. The test structures provide information with regard to a variety of reliability failure mechanisms, including hot-carriers, electromigration, and oxide breakdown. The system is normally integrated at the wafer level to predict the failure mechanisms of the production integrated circuits on the same wafer. 22 figs.

Snyder, E.S.; Campbell, D.V.

1997-04-29T23:59:59.000Z

469

On-clip high frequency reliability and failure test structures  

DOE Patents (OSTI)

Self-stressing test structures for realistic high frequency reliability characterizations. An on-chip high frequency oscillator, controlled by DC signals from off-chip, provides a range of high frequency pulses to test structures. The test structures provide information with regard to a variety of reliability failure mechanisms, including hot-carriers, electromigration, and oxide breakdown. The system is normally integrated at the wafer level to predict the failure mechanisms of the production integrated circuits on the same wafer.

Snyder, Eric S. (Albuquerque, NM); Campbell, David V. (Albuquerque, NM)

1997-01-01T23:59:59.000Z

470

Evaluation of accident frequencies at the canister storage building  

DOE Green Energy (OSTI)

By using the fault tree logic, an evaluation of the design basis accident frequencies at the Canister Storage Building has been performed. The evaluation demonstrates that due to low frequency of occurrences, the following design basis accidents are considered not credible (annual frequency of less than 10{sup -6}): Rearrangement of multi-canister overpack (MCO) internals; Gaseous release from the MCO; MCO internal hydrogen explosion; MCO external hydrogen explosion; Thermal runaway reactions inside the MCO; and Violation of design temperature criteria.

LIU, Y.J.

1999-05-13T23:59:59.000Z

471

Motor monitoring method and apparatus using high frequency ...  

A motor current analysis method and apparatus for monitoring electrical-motor-driven devices. The method and apparatus utilize high frequency portions of the motor ...

472

History and technical evolution of high frequency fluorescent lighting  

SciTech Connect

This work was performed to accelerate development and commercialization of solid-state, high frequency ballasts for fluorescent lighting systems. The history and development of fluorescent lamps, of ballasts for these fixtures, and of related circuits and equipment are reviewed. The higher lamp efficiency of high-frequency (300 to 3000 Hz) fluorescent lamps as compared with 60 Hz lamps, the development of frequency converter circuits for high-frequency lamps, and uses, electrical characteristics, and economics of these lighting systems are discussed. (LCL)

Campbell, J.H.

1977-12-01T23:59:59.000Z

473

CENAMEP AIP: Time and Frequency Laboratory current status  

Science Conference Proceedings (OSTI)

... DC batteries, UPS and power generator (backup for 3 days ... Phase and Frequency Offset Generator with the master clock for ... Two signal generators. ...

2012-10-09T23:59:59.000Z

474

NIST Shows How to Make a Compact Frequency Comb in ...  

Science Conference Proceedings (OSTI)

... cavities can be used for many applications, including the generation of frequency ... the quartz, NIST scientists use a small, low-power infrared laser ...

2013-07-23T23:59:59.000Z

475

New Colors: JILA Scientists Confirm First 'Frequency Comb' to ...  

Science Conference Proceedings (OSTI)

... of cycles per second), enabling development of next-generation atomic clocks ... EUV) frequency comb, JILA scientists used a high-power laser to ...

2012-02-07T23:59:59.000Z

476

Frequency Modulation Effect on the Solidification of Alloy 718 ...  

Science Conference Proceedings (OSTI)

Cold Sprayed Stainless Steel Coatings for Wear and Thermal Protection of ... Frequency Modulation Effect on the Solidification of Alloy 718 Fusion Zone.

477

Electricity demand as frequency controlled reserves, ForskEL...  

Open Energy Info (EERE)

References EU Smart Grid Projects Map1 Overview The project developed technology for demand frequency controlled reserve (DFR) implementation, a system that automatically...

478

NIST Time and Frequency Division 1998- Technical Highlights  

Science Conference Proceedings (OSTI)

... other fountain standards, the microwave cavity and drift tube are contained ... improved coordination of time/frequency standards on earth, and tests of ...

479

Monitoring method and apparatus using high-frequency carrier ...  

A method and apparatus for monitoring an electrical-motor-driven device by injecting a high frequency carrier signal onto the power line current. The method is ...

480

NIST Shows How to Make a Compact Frequency Comb in ...  

Science Conference Proceedings (OSTI)

NIST Shows How to Make a Compact Frequency Comb in Minutes Video Transcript. ... These resonators actually have a pretty wide range of uses. ...

2013-07-11T23:59:59.000Z

Note: This page contains sample records for the topic "interruption frequency index" 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

Method and apparatus for radio frequency ceramic sintering  

DOE Patents (OSTI)

Radio frequency energy is used to sinter ceramic materials. A coaxial waveguide resonator produces a TEM mode wave which generates a high field capacitive region in which a sample of the ceramic material is located. Frequency of the power source is kept in the range of radio frequency, and preferably between 60-80 MHz. An alternative embodiment provides a tunable radio frequency circuit which includes a series input capacitor and a parallel capacitor, with the sintered ceramic connected by an inductive lead. This arrangement permits matching of impedance over a wide range of dielectric constants, ceramic volumes, and loss tangents. 6 figures.

Hoffman, D.J.; Kimrey, H.D. Jr.

1993-11-30T23:59:59.000Z

482

Method and apparatus for radio frequency ceramic sintering  

DOE Patents (OSTI)

Radio frequency energy is used to sinter ceramic materials. A coaxial waveguide resonator produces a TEM mode wave which generates a high field capacitive region in which a sample of the ceramic material is located. Frequency of the power source is kept in the range of radio frequency, and preferably between 60-80 MHz. An alternative embodiment provides a tunable radio frequency circuit which includes a series input capacitor and a parallel capacitor, with the sintered ceramic connected by an inductive lead. This arrangement permits matching of impedance over a wide range of dielectric constants, ceramic volumes, and loss tangents.

Hoffman, Daniel J. (Oak Ridge, TN); Kimrey, Jr., Harold D. (Knoxville, TN)

1993-01-01T23:59:59.000Z

483

Time and Frequency from A to Z: Notes  

Science Conference Proceedings (OSTI)

... Unlike the glossaries produced by standards committees, Time and Frequency: From A to Z is not intended to be an official glossary of time and ...

2010-10-05T23:59:59.000Z

484

'Smart' Frequency-Sensing Charge Controller for Electric Vehicles  

AVAIL ABLE FOR L ICENSING Minimizes burden on power grid The Invention A “smart” frequency-based charge controller (FBCC) system for electric vehicles ...

485

Determining Cloud Ice Water Path from High-Frequency Microwave...  

NLE Websites -- All DOE Office Websites (Extended Search)

Determining Cloud Ice Water Path from High-Frequency Microwave Measurements G. Liu Department of Meteorology Florida State University Tallahassee, Florida Introduction A better...

486

A Power-efficient Radio Frequency Energy-harvesting Circuit .  

E-Print Network (OSTI)

??This work aims to demonstrate the design and simulation of a Radio Frequency (RF) energy-harvesting circuit, from receiving antenna to the point of charge collection.… (more)

Khoury, Philip

2013-01-01T23:59:59.000Z

487

Instantaneous spectral analysis: Detection of low-frequency ...  

answer” as a guide. When dealing with synthetic data, con-structed as a superposition of wavelets, ... strong low-frequency energy beneath the reservoir. At 30 Hz

488

Time and Frequency from A to Z: Am to B  

Science Conference Proceedings (OSTI)

... quantum mechanics dictate that the energies of a ... same frequency when they absorb or release energy. ... oscillators are the lowest priced and most ...

2010-10-05T23:59:59.000Z

489

Frequency stabilization to 6 × 10?16 via ...  

Science Conference Proceedings (OSTI)

... for achieving low-temperature sensitivity may be useful for other proposed frequency references based on solids such as thorium- doped crystals32 ...

2011-09-16T23:59:59.000Z

490

NIST Time and Frequency Div. - 2004: Strategic Focus 3  

Science Conference Proceedings (OSTI)

... Such chip-scale atomic clocks need not be as accurate or stable as ... precise timekeeping and frequency control to small, battery-powered electronic ...

491

Time and Frequency from A to Z: U to W  

Science Conference Proceedings (OSTI)

... UT0 - The original mean solar time scale, based on the rotation of the Earth on its ... It has equal power per hertz over the specified frequency band. ...

2010-10-05T23:59:59.000Z

492

Time and Frequency from A to Z: Re to Ru  

Science Conference Proceedings (OSTI)

... The natural frequency of an oscillator. ... The optical beam from the rubidium lamp pumps the 87 Rb buffer gas atoms into a particular energy state. ...

2010-10-05T23:59:59.000Z

493

Alternative Approaches for Incentivizing the Frequency Responsive Reserve Ancillary Service  

DOE Green Energy (OSTI)

Frequency responsive reserve is the autonomous response of generators and demand response to deviations of system frequency, usually as a result of the instantaneous outage of a large supplier. Frequency responsive reserve arrests the frequency decline resulting in the stabilization of system frequency, and avoids the triggering of under-frequency load-shedding or the reaching of unstable frequencies that could ultimately lead to system blackouts. It is a crucial service required to maintain a reliable and secure power system. Regions with restructured electricity markets have historically had a lack of incentives for frequency responsive reserve because generators inherently provided the response and on large interconnected systems, more than sufficient response has been available. This may not be the case in future systems due to new technologies and declining response. This paper discusses the issues that can occur without proper incentives and even disincentives, and proposes alternatives to introduce incentives for resources to provide frequency responsive reserve to ensure an efficient and reliable power system.

Ela, E.; Milligan, M.; Kirby, B.; Tuohy, A.; Brooks, D.

2012-03-01T23:59:59.000Z

494

High Frequency Acoustic Wave Scattering From Turbulent Premixed Flames .  

E-Print Network (OSTI)

??This thesis describes an experimental investigation of high frequency acoustic wave scattering from turbulent premixed flames. The objective of this work was to characterize the… (more)

Narra, Venkateswarlu

2008-01-01T23:59:59.000Z

495

W-band Frequency Synthesis and AM/PM Noise ...  

Science Conference Proceedings (OSTI)

... W-band Frequency Synthesis and AM/PM Noise Measurement System. ... Dual-channel W-band AM/PM noise measurement system. ...

2010-10-05T23:59:59.000Z

496

Have you ever seen a project where the schedule performance index (SPI) and cost performance  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

seen a project where the schedule performance index (SPI) and cost performance seen a project where the schedule performance index (SPI) and cost performance index (CPI) are both very good (both near 1.0), but the contingency and management reserve (MR) accounts are depleted? Have you ever heard someone confuse the terms management reserve (MR) and contingency? While we in the project and contract management community are familiar with these terms, we often see them used incorrectly and treated as if they were interchangeable during the execution of the work, creating confusion and potential improper accountability. While MR is a form of contingency, its application is managed and controlled by the contractor,

497

Self-organization of dissipationless solitons in positive- and negative-refractive-index materials  

Science Conference Proceedings (OSTI)

A generalized Ginzburg-Landau equation describing dissipative solitons dynamics in negative-refractive-index materials is derived from Maxwell equations. This equation having only real terms with opposite sign differs from the usual Ginzburg-Landau equation for positive-refractive-index media. A cross-compensation between the saturating nonlinearity excess, losses, and gain makes obtained self-organized solitons dissipationless and exceptionally robust. In the presence of such solitons medium becomes effectively dissipationless. The compensation of losses is of particular interest for media with resonant character of interactions like negative-refractive-index materials.

Skarka, V. [Laboratory POMA, CNRS FRE 2988, University Angers, 2, Boulevard Lavoisier, F-49045 Angers (France); Aleksic, N. B. [Institute of Physics, Pregrevica 118, 11000 Belgrade (Serbia); Berezhiani, V. I. [Andronikashvili Institute of Physics, 6 Tamarashvili, Tbilisi 0177 (Georgia)

2010-04-15T23:59:59.000Z

498

Regularized energy-dependent solar flare hard x-ray spectral index  

E-Print Network (OSTI)

The deduction from solar flare X-ray photon spectroscopic data of the energy dependent model-independent spectral index is considered as an inverse problem. Using the well developed regularization approach we analyze the energy dependency of spectral index for a high resolution energy spectrum provided by Ramaty High Energy Solar Spectroscopic Imager (RHESSI). The regularization technique produces much smoother derivatives while avoiding additional errors typical of finite differences. It is shown that observations imply a spectral index varying significantly with energy, in a way that also varies with time as the flare progresses. The implications of these findings are discussed in the solar flare context.

Eduard P. Kontar; Alexander L. MacKinnon

2005-06-05T23:59:59.000Z

499

Surface defects, the superconformal index and q-deformed Yang-Mills  

E-Print Network (OSTI)

Recently a prescription to compute the four-dimensional N = 2 superconformal index in the presence of certain BPS surface defects has been given. These surface defects are labelled by symmetric representations of SU(N). In the present paper we give a prescription to compute the superconformal index in the presence of surface defects labelled by arbitrary representations of SU(N). Furthermore, we extend the dictionary between the N = 2 superconformal Schur-index and correlators of q-deformed Yang-Mills to incorporate such surface defects.

Luis F. Alday; Mathew Bullimore; Martin Fluder; Lotte Hollands

2013-03-19T23:59:59.000Z

500

Cosmic history of viable exponential gravity: Equation of state oscillations and growth index from inflation to dark energy era  

E-Print Network (OSTI)

A generic feature of viable $F(R)$ gravity is investigated: It is demonstrated that during the matter dominated era the large frequency oscillations of the effective dark energy may influence the behavior of higher derivatives of the Hubble parameter with the risk to produce some singular unphysical solutions at high redshift. This behavior is explicitly analyzed for realistic $F(R)$ models, in particular, exponential gravity and a power form model. To stabilize such oscillations, we consider the additional modification of the models via a correction term which does not destroy the viability properties. A detailed analysis on the future evolution of the universe and the evolution history of the growth index of the matter density perturbations are performed. Furthermore, we explore two applications of exponential gravity to the inflationary scenario. We show how it is possible to obtain different numbers of $e$-folds during the early-time acceleration by making different choices of the model parameters in the presence of ultrarelativistic matter, which destabilizes inflation and eventually leads to the exit from the inflationary stage. We execute the numerical analysis of inflation in two viable exponential gravity models. It is proved that at the end of the inflation, the effective energy density and curvature of the universe decrease and thus a unified description between inflation and the $\\Lambda$CDM-like dark energy dominated era can be realized.

Kazuharu Bamba; Antonio Lopez-Revelles; R. Myrzakulov; S. D. Odintsov; L. Sebastiani

2012-07-03T23:59:59.000Z