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Proposal of the research complex for the neutron science (The first plan)

Japan Atomic Energy Research Institute (JAERI) and the High Energy Accelerator Research Organization (KEK) are promoting the joint project integrating both the Neutron Science Project (NSP) of JAERI and the Japan Hadron Facility Project (JHF) of KEK for comprehensive studies on basic science and technology using high-intensity proton accelerator. This document describes the joint project prepared by the Joint Project Team of JAERI and KEK to construct accelerators and research facilities necessary both for the NSP and the JHF at the site of JAERI Tokai Establishment. It was originally written in English and translated into Japanese with some corrections. (author)

2000-02-01

2

Recent progress of the JAERI free electron laser driven by a compact superconducting RF linac

Japan Atomic Energy Research Institute (JAERI) is developing the world`s strongest spallation neutron source using high power proton accelerator and promoting a neutron science project for comprehensive studies on basic science and nuclear transmutation of high-level radioactive nuclide from nuclear power stations. For this purpose, JAERI organized the Special Taskforce for Neutron Science and OMEGA Project in April 1996 and reorganized it to Center for Neutron Science in April 1997. During this period, various research plans using the spallation neutron source are proposed and facilities necessary for research are studied by mainly research groups of JAERI. This report describes research plans and results of the preliminary conceptual design study on proposed facilities plan. (author)

1999-03-01

3

Development of heavy-ion irradiation technique for single-event in semiconductor devices

A prototype for a quasi-cw, and high-average power free electron laser (FEL) driven by a 15 MeV superconducting rf linac has been developed, and constructed at Tokai, JAERI since 1989. Cryogenic and accelerating fields' performances of four JAERI superconducting accelerator modules have been realized without any serious problem in the FEL accelerator vault and experimental hall. Since modification and related maintenance of the cryogenic refrigerator system for the driver were completed in the middle of October 1995, the system has run with no trouble, and the driver has been continuously run very successfully up to now. The optical resonator system and related electron beam transport system have been modified to realize larger acceptance than the old for both of the undulator radiation and energetic electron beam in 1995 Japanese fiscal year. In the modification, an alignment and distance measurement system has been newly ...

1997-02-28

4

Report on progress of researches by common utilization of JAERI nuclear facilities, for fiscal 1996

Heavy-ion irradiation technique has been developed for the evaluation of single-event effects on semiconductor devices. For the uniform irradiation of high energy heavy ions to device samples, we have designed and installed a magnetic beam-scanning system in a JAERI cyclotron beam course. It was found that scanned area was approximately 4 x 2 centimeters and that the deviation of ion fluence from the average value was less than 7%. (author)

1997-03-01

5

Corrosion resistance of oxide scale formed on SiSiC in boiling sulfuric acid

This issue is the collection of the papers on progress of researches by common utilization of JAERI nuclear facilities. The 43 of the papers are indexed individually. (J.P.N.)

1998-01-01

6

High extraction efficiency observed at the JAERI free-electron laser

SiSiC is one of selected materials for the thermal chemical hydrogen production IS (Iodine-Sulfur) process at JAERI. SiSiC was tested in boiling sulfuric acid for 1000 hours. The obtained results showed the following facts. The transverse strength was not changed by sulfuric corrosion, high temperature oxidation and oxidation. Silica scale formed on SiSiC by sulfate corrosion and high temperature oxidation had corrosion resistance in boiling sulfuric acid. Bilayer structure of silica scale produced by high temperature oxidation was not affected by sulfate corrosion. (S.Y.).

7

Development of high power negative ion sources for fusion at JAERI

A high power Free-Electron Laser (FEL) has lased at a wavelength of 22 #mu#m at the Japan Atomic Energy Research Institute (JAERI). The maximum power on a macro-pulse average is 1.7 kW, and it corresponds to an FEL energy of 160 #mu#J/micro-pulse. Extraction efficiency from the electron beam to the FEL radiation was measured to be 5.3% by an energy analyzer, when the maximum FEL power was coupled out. The rms wavelength spread was measured to be 4.6% at the same time. The extraction efficiency, in general, has a maximum value near the zero detuning length of an optical cavity, where (in contrast) the single-pass gain becomes smallest. A high peak current and a long macro-pulse duration are therefore indispensable for realizing high efficiency. The electron beam energy is 16.5 MeV, and the average current is 5.3 mA at a micro-pulse repetition rate of 10.4 MHz. The macro-pulse duration is 500 #mu#s (5000 ...

2001-12-21

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(International Panel on 14 MeV Intense Neutron Source Based on Accelerators for Fusion Materials Study)

Technologies producing high power negative ion beams have been highly developed in these years at JAERI for use in neutral beam injectors for heating the thermonuclear fusion plasmas. At present, it is possible to produce multi-ampere H-/D- ion beams quasi-continuously at energies more than a few hundred keV with a good beam optics of beamlet divergence of a few milli-radian. Based on these technologies, two R and D projects have been initiated; one is to develop a 22A/500keV/10s D- ion source for the neutral beam injector for JT-60U, and the other is to develop a 1A/1MeV/60s H- ion source to demonstrate high current negative ion acceleration up to the energy of 1MeV, the energy required for the neutral beam injector for International Thermonuclear Experimental Reactor (ITER). (author).

1995-10-01

9

Present status of study on reduced-moderation water reactors

Both travelers were members of a nine-person US delegation that participated in an international workshop on accelerator-based 14 MeV neutron sources for fusion materials research hosted by the University of Tokyo. Presentations made at the workshop reviewed the technology developed by the FMIT Project, advances in accelerator technology, and proposed concepts for neutron sources. One traveler then participated in the initial meeting of the IEA Working Group on High Energy, High Flux Neutron Sources in which efforts were begun to evaluate and compare proposed neutron sources; the Fourth FFTF/MOTA Experimenters' Workshop which covered planning and coordination of the US-Japan collaboration using the FFTF reactor to irradiate fusion reactor materials; and held discussions with several JAERI personnel on the US-Japan collaboration on fusion reactor materials.

1991-02-14

10

Evaluation of critical heat flux of tight lattice core with subchannel analysis code NASCA

The Reduced-Moderation Water Reactor (RMWR) is a next generation water-cooled reactor, based on the experienced light water reactor (LWR) technology, aiming at effective utilization of uranium resources, high burn-up and long operation cycle and plutonium multiple recycling. These characteristics can be achieved by the high conversion ratio from {sup 238}U to {sup 239}Pu resulted from the higher neutron energy spectrum in comparison to conventional LWRs. Considering the extension of LWR utilization, Japan Atomic Energy Research Institute (JAERI) started the research on it in 1997 and then started a collaboration in the conceptual design study with the Japan Atomic Power Company (JAPC) in 1998, under technical cooperation with three Japanese reactor vendors. In the core design study of the RMWR, several basic core designs with the high conversion ratio more than 1 and the negative void reactivity ...

2001-09-01

11

Reduced-Moderation Water reactor (RMWR) is a light water breeder reactor developed by Japan Atomic Energy Research Institute (JAERI). The RMWR comprises tight lattice fuel assemblies with gap clearance of around 1.0 mm to reduce water volume ratio to achieve a high conversion ratio. It is important to estimate the thermal hydraulic safety margin of the tight lattice core of the RMWR. In the present study, the boiling transition (BT) prediction performance of the subchannel analysis code NASCA developed for the current BWR cores was assessed for series of tight lattice critical heat flux (CHF) experiments performed in JAERI. The test section was a 7-rod bundle with rod diameter of 12.3 mm, rod gap of 1.0 mm and heated length of 1.8m. Axial power distribution was flat. With a simple subchannel model, the code overestimates the critical power in the high mass velocity region, although the predicted ...

2003-04-20

12

Free-electron laser beam

Data report of BWR post-CHF tests. Transient core thermal-hydraulic test program. Contract research

The principle and history of free-electron laser (FEL), first evidenced in 1977, the relationship between FEL wavelength and output power, the high-power FEL driven by the superconducting linac, the X-ray FEL by the linac, and the medical use are described. FEL is the vacuum oscillator tube and essentially composed from the high-energy linac, undulator and light-resonator. It utilizes free electrons in the vacuum to generate the beam with wavelength ranging from microwave to gamma ray. The first high-power FEL developed in Japanese Atomic Energy Research Institute (JAERI) is based on the development of superconducting linac for oscillating the highest power beam. In the medical field, applications to excise brain tumors (in US) and to reconstruct experimentally blood vessels in the pig heart (in Gunma University) by lasing and laser coagulator are in progress with examinations to remove intra-vascular ...

2003-06-01

13

JAERI TANDEM annual report 2000. April 1, 2000 - March 31, 2001

JAERI has been performing transient core thermal-hydraulic test program. In the program, authors performed BWR/ABWR DBE simulation tests with a test facility, which can simulate BWR/ABWR transients. The test facility has a 4 x 4 bundle core simulator with 15-rod heaters and one non-heated rod. Through the tests, authors quantified the thermal safety margin for core cooling. In order to quantify the thermal safety margin, authors collected experimental data on post-CHF. The data are essential for the evaluation of clad temperature transient when core heat-up occurs during DBEs. In comparison with previous post-CHF tests, present experiments were performed in much wider experimental condition, covering high clad temperature, low to high pressure and low to high mass flux. Further, data at wider elevation (lower to higher elevation of core) were obtained in the present experiments, which make possible to ...

2001-03-01

14

Improvement of a high-resolution pulse cold neutron spectrometer AGNES

This annual report describes research activities which have been performed with the JAERI tandem accelerator and the Van de Graaff accelerator from April 1, 2000 to March 31, 2001. Summary reports of 46 papers, and lists of publication, personnel and cooperative research with universities are contained. (author)

2001-11-01

15

AGNES is a chopper spectrometer installed at the top of the C3 cold guide of JRR-3 (JAERI, Tokai). In 2004 - 2006, this spectrometer was greatly improved by installing (1) 208 new detectors to make the detector bank complete, (2) new radiation shields composed of Fe (14 mm), polyethylene (50 mm), B4C rubber (10 mm), and Cd (0.5 mm) sheets, (3) a new control system for the anti-frame-overlap chopper rotating simultaneously with the Fermi chopper, (4) a monitor counter at the space between the chopper and monochromator, (5) a neutron guide tube (50 cm) before the monochromator, (6) a new instrument control (monochromators, choppers, beam narrowers, etc.) and measurement control (real-time data monitoring, sample temperature control, etc.) systems, (7) a top-loading type cryostat workable at a wide temperature range of 6 - 480 K. As the results of these improvements, the signal intensity has been increased by 3.3 and the background has been reduced by 1/10 both ...

2007-01-01

16

MTX final report

Mercury flow experiments. 3. Simulation test plan under abnormal condition

The MTX experiment was proposed in 1986 to apply high frequency microwaves generated by a free-electron laser (FEL) to electron cyclotron resonance heating (ECRH) in a high field, high density tokamak. As the absorption of microwaves at the electron cyclotron resonance requires high frequencies, the opportunity of applying a free-electron laser has appeal as the device is not limited to frequencies in the microwave or long millimeter wavelength regions, in contrast to many other sources. In addition, the FEL is inherently a high power source of microwaves, which would permit single units of 10 MW or more, optimum for reactors. Finally, it was recognized early in the study of the application of the FEL based on the induction linear accelerator, that the nonlinear effects associated with the intense pulses of microwaves naturally generated would offer several unique opportunities to ...

1994-01-01

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Studies on formation and structures of ultrafine Cu precipitates in Fe-Cu model alloys for reactor pressure vessel steels using positron quantum dot confinement in the precipitates by their positron affinity. JAERI's nuclear research promotion program, H11-034 (Contract research)

Japan Atomic Energy Research Institute (JAERI) and High Energy Accelerator Research Organization (KEK) are promoting construction plan of Material-Life Science Facility, which is consisted of Muon Science Facility and Neutron Scattering Facility, in order to open up the new science fields. The Neutron Scattering Facility will be utilized for advanced fields of Material and Life science using high intensity neutrons generated by the spallation reaction induced by injecting a 1 MW pulsed proton beam onto a mercury target. Design of the spallation mercury target system is in progress to obtain good neutron performance keeping high reliability and safety. The target material is mercury. As a result of the spallation reaction, large amount of radioactive spallation products are to be contained in the mercury. Therefore to establish the safety of the target system, transient behaviors of the system during ...

2002-02-01

18

Development of an efficient parallel FEM analysis program for large structural problems over several millions of DOF

Positron annihilation experiments on Fe-Cu model dilute alloys of nuclear reactor pressure vessel (RPV) steels have been performed after neutron irradiation in JMTR. Nanovoids whose inner surfaces were covered by Cu atoms were clearly observed. The nanovoids transformed to ultrafine Cu precipitates by dissociating their vacancies after annealing at around 400degC. The nanovoids and the ultrafine Cu precipitates are strongly suggested to be responsible for irradiation-induced embrittlement of RPV steels. Effects of Ni, Mn and P addition on the nanovoid and Cu precipitate formations were also studied. The nanovoid formation was enhanced by Ni and P, but suppressed by Mn. The Cu precipitates after annealing around 400degC were almost free from these doping elements and hence were pure Cu in the chemical composition. Furthermore the Fermi surface of the 'embedded' Cu precipitates with a body centered cubic crystal structure was obtained from two dimensional angular ...

2003-03-01

19

Review of scenario earthquake developing methods based on the PSHA results

In order to predict or to evaluate the structural reliability of a variety of nuclear components under actual changing operating conditions, it is necessary to take the detailed geometrical features of components into consideration on one hand, and thermo-mechanical loading conditions with space and time variations during the lifetime, on the other hand. This consideration leads the authors to develop a super large-scale structural analysis program based on a parallel computational FEM with a variable scale of PC cluster architecture, whose prototype system is presented in a companion paper in this Symposium. Development of the PC cluster technology is one of the most important subjects in large-scale structural simulation, reducing computer costs and thus making simulation more acceptable to the engineering community. This paper presents the developmental status of the parallel FEM solver, demonstrating computational capabilities with three dimensional effects taking into ...

2000-09-01

20

Proceedings of the workshop on molten salts technology and computer simulation

In this study, the two methods, US NRC and JAERI method, for the determination of scenario earthquakes for seismic design of nuclear power plants based on the probabilistic seismic hazard analysis were reviewed. The scenario earthquakes were developed for the Wolsung NPP site using the PSHA results based on the US NRC Regulatory Guide 1.165 procedures. It seems that the JAERI method is more appropriate to incorporate the effects of individual seismic sources and active faults, and to estimate the multiple ground motion parameters. The magnitude and distance bins of the scenario earthquakes for Wolsung NPP site were M6.4, 9km and M6.2, 13km.

2002-10-01

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Applications of molten salts technology to separation and synthesis of materials have been studied eagerly, which would develop new fields of materials science. Research Group for Actinides Science, Department of Materials Science, Japan Atomic Energy Research Institute (JAERI), together with Reprocessing and Recycle Technology Division, Atomic Energy Society of Japan, organized the Workshop on Molten Salts Technology and Computer Simulation at Tokai Research Establishment, JAERI on July 18, 2001. In the workshop eleven lectures were made and lively discussions were there on the fundamentals and applications of the molten salts technology that covered the structure and basic properties of molten salts, the pyrochemical reprocessing technology and the relevant computer simulation. The 10 of the presented papers are indexed individually. (J.P.N.)

2001-12-01

22

Target R and D at JAERI

Progress of JAERI neutron science project

We proposed a solid and a mercury target concepts through the preliminary conceptual design. To feasible these concepts, analysis and experimental works are being carried out. This paper introduces an outline of present status of target R and D such as heat transfer augmentation experiments for the solid target, mercury flow tests with a loop of maximum flow rate of 15L/min, flow pattern measurements for a cold source moderator etc. as well as preliminary conceptual design works. (author)

1999-03-01

23

Analysis of the MEX-15 multipurpose reactor using SRAC code system

Neutron Science Project was started at Japan Atomic Energy Research Institute since 1996 for promoting futuristic basic science and nuclear technology utilizing neutrons. For this purpose, research and developments of intense proton accelerator and spallation neutron target were initiated. The present paper describes the current status of such research and developments. (author)

1999-03-01

24

Particle identification for heavy ions in a time-of-flight spectrometer

The MEX-15 is a conceptual design of a Multipurpose Reactor with thermal power of 15 MW and this reactor is pool type with fuel plates U{sub 3}0{sub 8}-Al of low enrichment uranium. This report presents the static calculation for the MEX-15 reactor using SRAC code system and was developed under the collaboration agreement between ININ-JAERI in Research Reactor Technology Development Division of Department of Research Reactor in Tokai Research Establishment. (Author)

1992-12-15

25

Experimental and analytical studies of pipe whip tests under PWR LOCA conditions

A time-of-flight (TOF) spectrometer has been constructed at the JAERI 20 MV tandem accelerator facility. A position-sensitive start detector, which consists of a thin carbon foil, microchannel plates and a resistive plate, was developed for the TOF measurements through the spectrometer. The time and position resolutions obtained were 120 ps and 0.3 mm for ..cap alpha.. particles from /sup 241/Am, respectively. A two-dimensional position-sensitive detector was also developed to measure the solid angle of the spectrometer and the maximum solid angle obtained was 9.5 msr. As a particle detector a Bragg curve ionization chamber was developed. From the Bragg curves of heavy ions in the detector, energies, ranges and Bragg curve peaks were measured and used for particle identification. The resolving power Z/..delta..Z of the atomic number was about 50.

1982-05-01

26

Decontamination factor of an incinerator for radioactive solid wastes

A series of pipe rupture tests has been performed at JAERI to demonstrate the safety of primary coolant circuits in the event of pipe rupture in nuclear power plants. Pipe whip tests and jet discharge tests have been conducted under BWR and PWR loss-of-coolant accident (LOCA) conditions. The present paper describes the experimental and analytical results of the pipe whip tests performed under PWR LOCA conditions using 4, 6 and 8-inch test pipes. The tests were carried out at an initial pressure and temperature of 15.7 MPa and 325/sup 0/C, respectively. Moreover, a dynamic analysis of pipe whip tests was carried out using the general purpose finite element programm ADINA.

1987-09-01

27

Analytical studies of four-inch pipe whip tests under BWR LOCA conditions

An incinerator for the treatment of low-level radioactive solid wastes was installed in Tokai Research Establishment, JAERI, 1966. The incinerator was equipped with a scrubber, cyclone, electrostatic precipitator and HEPA filter. The retention factor (R.F.) of the furnace as well as the decontamination factors (D.F.) of each dust collector were measured using "3"2P as a tracer under various conditions. It was found that the overall D.F. of the incinerator was improved by the increase of the temperature in the furnace, decrease of the off gas flowrate, increase of the charged voltage of the electrostatic precipitator and by the increase of the liquid gas ratio of the scrubber. The overall D.F. of the incinerator (including the R.F. in the furnace) on the standard operating conditions was 9.1x10"6. (auth.).

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Design experience of the JRR-2 BNCT facility in JAERI

The purpose of pipe rupture studies in JAERI is to perform model tests on pipe whip, restraint behavior, jet impingement and jet thrust force, and to establish a computational method for analyzing these phenomena. This report presents the analytical results of 4-inch pipe whip tests under BWR LOCA conditions. Dynamic response analyses were performed using the general-purpose finite element program ADINA. The test pipe was modelled by straight beam elements and the four restraints were modelled by a single truss element. The analytical results were compared with the experimental results. Impact time and maximum total restraint force showed good agreement with experimental results. On the other hand, pipe strain and pipe deflection could not be predicted so well. The reason for this is that the sliding of the restraint during the pipe whip movement cannot be considered in the analyses.

1985-01-01

29

Study on thermal-hydraulics during a PWR reflood phase

The thermal neutron column of the JRR-2 reactor was remodelled in order to install a medical irradiation facility. The design experience and the cource of this remodelling are presented. At first, the thermal neutron flux was lower than expected, and the expected radiation condition was achieved by the following improvements: (1) removal of graphite from the thermal neutron column to increase the neutron flux, (2) twice increase of bismuth shielding and the shift of its position to improve the shielding effect against gamma ray, (3) application of B{sub 4}C rubber on the both surfaces of the shielding door to suppress the secondary gamma ray generation from the structural materials, (4) LiF tiles are applied on the inner face of the neutron beam exit hole to suppress the secondary gamma ray from the beam exit, and (5) installment a cone-shape polyethylene collimator to relieve the decay of thermal neutron. After the improvements, medical irradiation treatments have been performed ...

1994-06-01

30

Experiences in radioactive gaseous effluent management in JAERI

In-core thermal-hydraulics during a PWR reflood phase following a large-break LOCA are quite unique in comparison with two-phase flow which has been studied widely in previous researches, because the geometry of the flow path is complicated (bundle geometry) and water is at extremely low superficial velocity and almost under stagnant condition. Hence, some phenomena realized during a PWR reflood phase are not understood enough and appropriate analytical models have not been developed, although they are important in a viewpoint of reactor safety evaluation. Therefore, author investigated some phenomena specified as important issues for quantitative prediction, i.e. (1) void fraction in a bundle during a PWR reflood phase, (2) effect of radial core power profile on reflood behavior, (3) effect of combined emergency core coolant injection on reflood behavior, and (4) the core separation into two thermal-hydraulically different regions and the in-core flow circulation behavior observed ...

1983-12-13

31

Development on the cryogenic hydrogen isotopes distillation process technology for tritium removal (Final report)

In the Japan Research Reactor-II (JRR-2), the main source of _4_1Ar generation is the exhaust air from the horizontal experimental holes and the pneumatic tubes. For the horizontal experimental holes, the flow of exhaust air through the holes was decreased by improving the airtightness, and a decay duct of capacity 2.4 m_3 was installed in the middle of the exhaust line. In consequence, the release rate of _4_1Ar was reduced by 6-8%. For the pneumatic tubes, a mechanical shutter was installed in the tube. The shutter stops the exhaust air flow, except when the pneumatic tube is used. Prior to the use, the activated air in the tube is led to a decay tank. As a result, the _4_1Ar release rate was reduced by 10-20%. By the above means, the yearly exposure at the site boundary was reduced to 0.36 mR from 2.6 mR. In Hot Laboratory for metallurgical examination of spent fuel, the exhaust filtration system consists of filters in the cave, i.e. frame trap, prefilter, HEPA filter, and the main ...

1983-05-01

32

Development of a Bragg curve spectrometer (BCS) for fragment spectroscopy from neutron and proton induced reactions

While tritium exposure to the site-workers in Wolsung NPP is up to about 40% of the total personnel exposure, Ministry of Science and Technology has asked tritium removal facility for requirement of post heavy-water reactor construction. For the purpose of essential removal of tritium from the Wolsung heavy-water reactor system, a preliminary study on the cryogenic Ar-N{sub 2} and H{sub 2}-D{sub 2} distillation process for development of liquid-phase catalytic exchange cryogenic hydrogen distillation process technology. The Ar-N{sub 2} distillation column showed good performance with approximately 97% of final Ar concentration, and a computer simulation code was modified using these data. A simulation code developed for cryogenic hydrogen isotopes (H{sub 2}, HD, D{sub 2}, HT, DT, T{sub 2}) distillation column showed good performance after comparison with the result of a JAERI code, and a H{sub 2}-D{sub 2} distillation column was made. Gas chromatography for ...

1995-12-01

33

High-power pseudospark and BLT switches

Energy and angular double differential cross-section data of fragments by tens of MeV neutron or proton are important to evaluate dosimetry and radiation effect in devices or instruments, since fragments cause a large local ionization. Up to now, experimental data of the fragment production are very scarce due to experimental difficulties of fragment detection. A bragg curve spectrometer (BCS) for fragment measurement is a gridded-ionization chamber that identify fragments on the basis of the difference of Bragg peak value. The BCS was fabricated to adopt for fragment measurement in neutron-induced reactions and tested with a charged-particle beam and then applied to a neutron field successfully. The structure of BCS is a cylindrical gridded ionization chamber, and filled with a Ar + 10% CH{sub 4} gas at a pressure of 2.7 x 10{sup 4} Pa. To confirm the performance of BCS, the following tests were performed: 1) the saturation property by using {sup 241}Am {alpha} source, and 2) the Z ...

2002-09-01

34

Identification of deuterons with high momenta at ANKE

High-power pseudospark and BLT switches

1988-01-01

35

Development of High Field Dipole and High Current Pulse Power Supply for Compact Proton Synchrotron

No abstract prepared.

2002-03-01

36

Deceleration of highly stripped ions by the heildelberg postaccelerator

Development of High Field Dipole and High Current Pulse Power Supply for Compact Proton Synchrotron

2003-01-01

37

METHOD FOR SYNTHESIZING TAURINE FROM PROTEIN-CONTAINING MATERIAL BY USING HIGH-TEMPERATURE HIGH-PRESSURE WATER

Not Available

1983-09-01

38

J-STORE (Japan)

Full Text Available

2003-08-28

39

Low Energy Part of the CONCERT High-Power Proton Linac

High Purity Beryllium Production

Low Energy Part of the CONCERT High-Power Proton Linac

2001-01-01

40

Fabrication of an infrared bolometer with a high T$_{c}$ superconducting thermometer

Production of High-Purity (>99.99% wt.) Condensed Beryllium

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41

Beam Diagnostic System for High Intensity Proton Linac at KAERI

Fabrication of an infrared bolometer with a high T$_{c}$ superconducting thermometer

1991-01-01

42

Single Molecule Source Reagents for CVD of Beta Silicon Carbide.

Beam Diagnostic System for High Intensity Proton Linac at KAERI

2003-01-01

43

The DARPA High-Performance Polymer Program. Volume 1. ...

Beta silicon carbide is an excellent candidate semiconductor material for demanding applications in high power and high temperature electronic devices due to its high breakdown voltage, relatively large band gap, high thermal conductivity and high melting...

1991-01-01

44

Mesoporous Silicon-Based Anodes for High Capacity, High - NASA

... IDA DOCUMENT D- 1174 THE DARPA HIGH-PERFORMANCE POLYMER PROGRAM ... The DARPA High-Performance Polymer Program, Volume I: ...

1992-09-01

45

Development Of Very-High-Strength and High-Performance ...

Aug 6, 2010 ... A new high capacity anode composite based on mesoporous silicon is proposed. By virtue of a structure that resembles a pseudo ...

46

The effects of nozzle geometry on waterjet breakup at high Reynolds numbers

... High performance concrete doesn't always refer to enhanced strength, as in the case of VHSC. ... Composite Materials VHSC Concrete ...

2004-12-01

47

The Destruction Effects of Semiconductors by High Power Electromagnetic Wave

Not Available

2003-01-01

48

Testing of the high current implantator of nitrogen ions

Full Text Available

2007-09-01

49

Studies of High-K Isomers at TRIUMF-ISAC

No abstract prepared

1999-10-01

50

Highly porous polyacrylonitrile/polystyrene nanofibers by electrospinning

No abstract prepared.

2004-03-04

51

High frequency modeling of power transformers : Stresses and Diagnostics

Full Text Available

52

Norwegian Open Research Archives (NORA)

Full Text Available

53

CATALYSTS FOR HIGH CETANE ETHERS AS DIESEL FUELS

Surface Crystallization and Composition of Spinel and Acmite in High-Level Waste Glass

No abstract prepared.

1999-09-01

54

JPRS Report, Science & Technology, China, High-Power ...

Surface crystallization and surface-to-bulk ratio in high-level waste glasses.

2000-07-10

55

His Royal Highness The Duke of York on the occasion of the industrial exhibition - Meeting with PPARK.

... KDP crystal. ... The KDP crystal has a high nonlinear the degree of matching between the fluid and the window coefficient. ...

1991-10-18

56

CERN Multimedia

His Royal Highness The Duke of York on the occasion of the industrial exhibition - Meeting with PPARK.

2004-01-01

57

Fragmentation of nuclei by particles and nuclei of intermediate and high energies

Evidence for asymmetric shapes from high-spin odd-A spectra

The present state of investigations into the fragmentation of target nuclei by particles and nuclei of intermediate and high energies is reviewed.

1983-11-01

58

Distribution of the Euryhaline Squid Lolliguncula brevis in ...

... coupling deformed nuclei gold 195 high spin states iridium 187 moment of

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ALUMINUM ELECTROLYTIC CAPACITORS FOR HIGH ...

... High water temper- atures from June through October also contributed to the observed high catch probabilities in 1995. ...

2002-01-31

60

A High Frequency Platinum Resistance Thermometer System ...

... Accession Number : ADD872708. Title : ALUMINUM ELECTROLYTIC CAPACITORS FOR HIGH FREQUENCY APPLICATIONS. Corporate Author : ...

1976-04-26

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Resolving Individuals Contributing Trace Amounts of DNA to Highly Complex Mixtures Using High-Density SNP Genotyping Microarrays

... HIGH FREQUENCY, WIRE, ATMOSPHERIC MOTION, SENSITIVITY, PLATINUM, FREQUENCY RESPONSE, AMPLIFIERS, MULTIVIBRATORS. ...

1975-02-01

62

High speed optical coherence microscopy with autofocus adjustment and a miniaturized endoscopic imaging probe

We use high-density single nucleotide polymorphism (SNP) genotyping microarrays to demonstrate the ability to accurately and robustly determine whether individuals are in a complex genomic DNA mixture....Full Text Available

2008-08-01

63

Experiments With Phase at Very High Pressure - NASA Technical ...

Optical coherence microscopy (OCM) is a promising technique or high resolution cellular imaging in human tissues. An OCM system for high-speed en face cellular resolution imaging...Full Text Available

2010-03-01

64

Effects of Prolonged High Phosphorus Diet on Phosphorus and Calcium Balance in Rats

The A-15 compounds Nb3Sn, V3Si, etc., have been studied extensively as high temperature superconductors. High pressure studies were carried ...

65

A highly dispersed limonite catalyst for direct liquefaction of brown coal

The amount of phosphorus contained in food as food additives is currently increasing and a high intake of phosphorus can cause various diseases. To determine the effects of a prolonged high phosphorus...Full Text Available

2007-05-01

66

High power evaluation of X-band high power loads

A highly dispersed limonite catalyst was shown to have advantageous properties in a commercial liquefaction plant: it has high catalytic activity, low cost for catalyst production and abundant resources. 3 refs., 3 figs., 2 tabs.

1999-07-01

67

Ultra High Strength Beta Titanium Alloy for Fasteners.

Several types of X-band high power loads developed for several tens of MW range were designed, fabricated and used for high power tests at X-band facility of KEK. Some of them have been used for many years and few units showed possible deterioration of RF performance. Recently revised-design loads were made by CERN and the high power evaluation was performed at KEK. In this paper, the main requirements are recalled, together with the design features. The high power test results are analysed and presented

2010-01-01

68

Time-Dependent Propagation of High-Energy Laser Beams ...

... Accession Number : ADD151811. Title : Ultra High Strength Beta Titanium Alloy for Fasteners. Descriptive Note : Journal article,. ...

69

The alkali sorption process by solid sorbents at high temperature

... Law Parameter 28 Summary 28 6. CIRCULAR VS ANNULAR LASER BEAMS 29 7. HIGH-ENERGY LASER BEAM PROPAGATION THROUGH A ...

1977-12-14

70

Silund Nanosecond High-Current Linear Induction Accelerator ...

The removal of toxic metals and alkalis from gas streams at high temperatures was investigated. This is important for the development of coal-fired combined cycle power generation systems.

2000-03-01

71

Report of the Geostatistical Analysis of High Resolution ...

... the high current induction linear accelerator of the nanosecond range, meant to be used as injector in the collective ion accelerator, are presented. ...

1972-07-13

72

Real-time digital libraries based on widely distributed, high performance management of large-data-objects

... The variogram analysis of the high resolution imagery has shown that although more spatial scales have been identified than from the SPOT image ...

1998-05-01

73

Quantitation of Antibiotics by High-Pressure Liquid Chromatography: Cephalothin

Real-time digital libraries based on widely distributed, high performance management of large-data-objects

1997-01-01

74

Properties of nuclear matter at small distances

A technique for quantitative determination of cephalothin and desacetylcephalothin in serum using a method based on high-pressure liquid chromatography is described. Both compounds were quantitatively...Full Text Available

1978-02-01

75

Land Cover Classification Comparison with Different Resolution ...

Experimental data on high energy cumulative particle production are analyzed in the frame of flucton models. The performed analysis evidence for the flucton as a multiquark system with high baryon dnsity.

76

Introductory address: lessons to be learned from high altitude.

Dec 9, 2005 ... Classification of high resolution imagery is not as straightforward as more ... The challenges of classifying high resolution imagery stems ...

77

High-Temperature Solar Cell Development - GLTRS - NASA

A historical account of the important landmarks in man's experience with the high altitude environment is followed by comments on the important stages in the understanding of its physiological effects....Full Text Available

1979-07-01

78

High voltage to complaints; Hoeyspent til besvaer

High-Temperature Solar Cell Development. Geoffrey A. Landis,. NASA John Glenn Research Center. 21000 Brookpark Road, Cleveland, OH 44135. Danielle ...

79

High Peak Power, High PRF Laser System.

Power supply to Bergen has created headaches. Many will not have the land-based high-voltage wire. But the alternatives are costly and will delay the line by many years. (AG)

2010-07-01

80

Efficacy and Safety of a New Vaginal Contraceptive Antimicrobial Formulation Containing High Molecular Weight ...

... A technique of the prior art uses an acousto-optic Q-switch which can ... Another approach uses electro-optic Q-switches in a pseudo cavity dumping ...

1980-10-27

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

81

Development and Performance of High Energy High ...

... commercial material manufactured utilizing chlorinated hydrocarbons for the sulfonation of a long chain polystyrene to produce high ... ...

82

DefenseLINK News: Proposed FMS to Egypt - High Mobility ...

... E. Liu, D. Soucy and J. Baughn GenCorp Aerojet, POBox 13222 Sacramento, CA 95813 J. Luoma BAE Systems Elk River, MN 55330 ABSTRACT ...

2006-11-01

83

Corrosion behavior of iron and nickel base alloys in high temperature and pressure water

... The Government of Egypt has requested a possible sale of 239 High Mobility Multi-purpose Wheeled Vehicles (HMMWV), electronic test set, spare ...

84

Clinical Characteristics and Outcomes of Cataract Surgery in Highly Myopic Koreans

In equipment industries, the equipments handling industrial water and pure water are numerous. In power generation including nuclear power generation, water serves as a working medium. Review is made on the experiences in the corrosion of iron and nickel base alloys in high temperature, high pressure water and the results of researches derived from them. Under high temperature and high pressure, carbon steel, low alloy steel, stainless steel and high nickel alloy cause corrosion even in pure water. But in the case of serious corrosion, chlorine, oxygen, alkali and others in water take part. The following matters are described: corrosion by steam; stress corrosion cracking in pure water; corrosion by impurities in high temperature, high pressure pure water, i.e. chlorine ions, dissolved oxygen, and alkali; corrosion under radiation. (J.P.N.).

85

Beta-21S: A High Temperature Metastable Beta Titanium Alloy ...

PurposeTo evaluate the clinical characteristics and outcomes of cataract surgery in highly myopic Korean subjects.MethodsWe retrospectively reviewed...Full Text Available

2011-04-01

86

Ball and Roller Bearing Retainer Improvement for High Speed ...

... Accession Number : ADD144314. Title : Beta-21S: A High Temperature Metastable Beta Titanium Alloy. Descriptive Note : Conference Proceedings, ...

87

Background information on the high energy physics program and the proposed Stanford linear electron accelerator project

... Accession Number : AD0164404. Title : Ball and Roller Bearing Retainer Improvement for High Speed Operation. Descriptive Note : Patent,. ...

1973-03-27

88

A highly integrated trigger and readout system for a silicon micro-strip detector installed at the CERN Omega spectrometer

Background information on the high energy physics program and the proposed Stanford linear electron accelerator project

1961-01-01

89

[Parameters of the functional state of the body in highly qualified judo fighters in the final stages of training for competitions].

A highly integrated trigger and readout system for a silicon micro-strip detector installed at the CERN Omega spectrometer

1991-01-01

90

Wrap-around pressure mitigation using Kevlar safety netting in high explosive processing facilities

PMID:7628679

91

Wear resistant of Al{sub 2}O{sub 3}/heat-resistant steel at high temperature

No abstract prepared.

2008-01-01

92

Usefulness of High-B-value Diffusion - Weighted MR Imaging for the Pre-operative Detection of Rectal Cancers

The high temperature abrasive wear resistant of the composites with different Al{sub 2}O{sub 3} volume fractions, particle coating and size were investigated and the failure action of composites under different conditions at high temperature was analyzed. The results showed that the high temperature abrasive wear resistant of composite with Ni coating and wide size and 39% volume fraction of particle is the best among all composites examined. (orig.)

2005-07-01

93

The Three-Dimensional Morphology of Candida albicans as Seen by High-Resolution Scanning Electron Microscopy

Full Text Available

2009-12-01

94

The Damage of Microcontroller Devices due to Coupling Effects under High Power Electromagnetic Wave by Magnetron

Full Text Available

2009-06-01

95

The Acute Effect of Trimetazidine on the High Frequency Fatigue in the Isolated Rat Diaphragm Muscle

Full Text Available

2008-12-01

96

Technology of High Purity Powder Sintering by Ti Scrap Recycling

Full Text Available

2004-06-01

97

Sur face Modification of Ultra High Molecular Weight Polyethylene Films by UV/ozone Ir radiation

Full Text Available

2009-07-01

98

Study of Heat Transfer Augmentation in a High-Temperature Field by a Radiation Promoter Generating a Secondary Flow

Full Text Available

2011-06-01

99

Staphylococcus haemolyticus Lipase; High-Level Expression in Escherichia coli and Activation of Nonionic Detergent

Not Available

1999-01-01

100

Sheath development around a high voltage cathode in a glow discharge plasma

Full Text Available

2000-10-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

101

Propagation Characteristics of Ultra High Frequency Partial Discharge Signals in Power Transformer

Short communication. 3 refs.

1991-02-04

102

Probing Neutron Star Evolution with Gamma Rays

Full Text Available

2010-10-01

103

Principles of ground relaying for high voltage and extra high voltage transmission lines

The research sponsored by this grant was conducted in two fields of high-energy astrophysics:

1996-01-01

104

Prediction of flow stress of metallic material and interfacial friction condition at high temperature using inverse analysis

This paper is a tutorial discussion of the basic principles of ground relaying for high voltage and extra high voltage transmission lines. Three different HV configurations are considered: Long lines, lines with a weak mid-point station, and mutually-coupled lines. Application criteria for EHV circuits are also discussed, and specific setting calculations are included where appropriate.

1983-02-01

105

Photochromes for Optical Memory

Full Text Available

2010-03-01

106

Non-destructive Inspection of Surfaces

Photochromes for New Generation of Highly Efficient Computers with Three Dimensional (3D) Optical Memory

107

Multiple Network-on-Chip Model for High Performance Neural Network

Highly Precision Method for Nondestructive Analysis of Surfaces in a Subnanometer Depth Range

108

Macroscopic High-Temperature Structural Analysis Model of Small-Scale PCHE Prototype (II)

Full Text Available

2010-03-01

109

Interaction of silicides in the Pd - Mo - Si ternary system

Full Text Available

2011-09-01

110

Influence of neutron-core excitations on high-spin states in {sup 88}Sr

... chemical reactions high temperature lattice parameters microhardness

111

Improvements of Ultra-High Molecular Weight Polyethylene Mechanical Properties by Nitrogen Plasma Immersion Ion Implantation

No abstract prepared.

2001-04-01

112

Implementation of the NAS Parallel Benchmarks in Java

Not Available

2004-12-01

113

Highly efficient ion source for analysis of transuranium elements

Several features make Java an attractive choice for High Performance Computing (HPC). In order to

2002-01-01

114

High-resolution infrared spectroscopy of {gamma}-ray irradiated solid parahydrogen

Results are described of the study of the analytical applicability of a highly efficient ion source developed for a mass spectrometer. Its ionizer is in the form of a partially closed cavity with a small aperture for leading out ions, heated to a high temperature. The new ion source increases the sensitivity of the apparatus in operations with transuranium elements by almost two orders of magnitude. It is possible to perform isotopic analyses with a high salt content in the sample, and to study the characteristics of nuclear fuel, even without chemical separation of the sample elements.

1987-01-01

115

High-resolution Spiral-scan Imaging at 3 Tesla MRI

No abstract prepared.

2002-09-01

116

High-brightness photoemitter development for electron accelerator injectors

Full Text Available

2006-12-01

117

High-Resolution MRI Study on Mouse Brain Using Micro-Imaging

Free-electron-laser (FEL) oscillators require a train of high-brightness bunches. Conventional subharmonic bunchers are currently used with rf linacs to generate pulse trains, but the resulting dilution of the transverse phase space and lower beam brightness are unacceptable for high-performance FELs. Recent developments suggest that photoemitters of high quantum efficiency combined with rapid acceleration can produce pulse trains of higher brightness than has been achieved before.

1985-01-01

118

High-Performance SPICE Development Including an Analytical Transient Photocurrent BJT Model

Full Text Available

2008-12-01

119

High temperature creep with an additional fatigue loading of alloy 800 type

No abstract prepared.

2000-08-01

120

High resolution line shapes of weak autoionizing resonances identified through fluorescence from the satellite states of Ar+

Short communication. 6 refs., 2 figs.

1992-12-31

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

121

High grade prostatic intraepithelial neoplasia in military workingn> dogs with and without prostate cancer.

No abstract prepared.

1997-07-01

122

High Throughput Screening on Angiogenesis Inhibitor and Promoter of Medicinal Plants using a Protein Microarray Chip

PMID:9687991

1998-08-01

123

HIGH ORDER STATISTICAL SIGNATURES FROM SOURCE-DRIVEN MEASUREMENTS OF SUBCRITICAL FISSILE SYSTEMS

Full Text Available

2007-04-01

124

HIGH DUCTILE NANOPARTICLE DISPERSION METALLIC GLASS AND ITS PRODUCTION

No abstract prepared.

1998-04-01

125

J-STORE (Japan)

Full Text Available

2003-01-17

126

GaAs/(ordered) GaInP2 Heterostructures under Pressure and HighMagnetic Fields

Fifty successful years of the Institute of Plasma Physics, Academy of Sciences of the Czech Republic

No abstract prepared.

1998-09-01

127

Enhancement of Whitening Effects of Lithospermum erythrorhizon Extracts by Ultra High Pressure

The history of the Czech Institute of Plasma Physics is highlighted. The article is structured as follows: Cyclic accelerators; Interaction of an external high-frequency field and high-temperature plasma - the tokamak; Interaction of an external high-frequency field and high-temperature plasma - pulse plasma systems; Low-temperature plasma - plasma technologies and new materials; Laser plasma - PALS; Optical diagnosis; and Teaching, conferences and international cooperation. (P.A.)

128

Effects of Electric Current Stimuli and High-Voltage Electric Field Treatments on Brown Rice Germination

Full Text Available

2011-04-01

129

Effect of High Omega-3 Fish Intake on Lipid Peroxidation

Full Text Available

2010-04-01

130

Dynamic Response of Seismically Isolated High-Story Buildings according to Earthquake Records

Omega-3 Fatty Acids; Lipid Peroxidation

2011-05-31

131

Dynamic Model and Analysis of a Vacuum Circuit Breaker Mechanism for High-Speed Closing and Opening Simulations

Full Text Available

2008-10-01

132

Drug Abuse Status and Its Determinants of Male High School Students in Taegu

Full Text Available

2002-10-01

133

Development of Single-Frame PIV Velocity Field Measurement Technique Using a High Resolution CCD Camera

Full Text Available

1996-09-01

134

Corrigendum to 'Pseudo-iron deficiency in a French population living near high-voltage transmission lines: a dilemma for clinicians'.

Full Text Available

2000-01-01

135

Comparison of Conditions for Cell Death-Inducing Agents Using a High Throughput-Compatible Nuclear Staining Assay

PMID:11395306

2001-07-01

136

Coated Superalloys for Power Installations

Full Text Available

2008-09-01

137

Ceramic Composite Materials

Characterization and Testing of Coated Nickel- and Iron-Based Superalloys for Application in High-Temperature Power Installations

138

Breakdown and Destruction Characteristics of the CMOS IC by High Power Microwave

Development of Ceramic Composite Materials and Structural Elements for High-Temperature Nuclear Reactors

139

Analytical Simulation of the Seismic Response of a High-Rise RC Building Model

Full Text Available

2007-07-01

140

A STUDY TO DETERMINE THE DEFORMATION ...

Full Text Available

2008-10-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

141

... crystals and polycrystals. Nevertheless, explosive forming, magnetic forming, etc., are all high-strain-rate processes that ...

1963-04-01

142

Miniature x-ray source

High thermal load receiving heat plate

A miniature x-ray source utilizing a hot filament cathode. The source has a millimeter scale size and is capable of producing broad spectrum x-ray emission over a wide range of x-ray energies. The miniature source consists of a compact vacuum tube assembly containing the hot filament cathode, an anode, a high voltage feedthru for delivering high voltage to the cathode, a getter for maintaining high vacuum, a connector for initial vacuum pump down and crimp-off, and a high voltage connection for attaching a compact high voltage cable to the high voltage feedthru. At least a portion of the vacuum tube wall is fabricated from highly x-ray transparent materials, such as sapphire, diamond, or boron nitride.

2000-01-01

143

Electronic properties of low temperature microcrystalline silicon carbide prepared by Hot Wire CVD

The present invention concerns a high thermal load heat receiving plate such as a divertor plate of a thermonuclear device. The high thermal load heat receiving plate of the present invention has a cooling performance capable of suppressing the temperature of an armour tile to less than a threshold value of the material against high thermal loads applied from plasmas. Spiral polygonal pipes are inserted in cooling pipes at a portion receiving high thermal loads in the high temperature load heat receiving plate of the present invention. Both ends of the polygonal pipes are sealed by lids. An area of the flow channel in the cooling pipes is thus reduced. Heat conductivity on the cooling surface of the cooling pipes is increased in the high thermal load heat receiving plate having such a structure. Accordingly, temperature elevation of the armour tile can be ...

1993-09-28

144

Chinese research on high-power microwaves. Studies in Chinese Science

Microcrystalline silicon carbide ({mu}c-SiC) was prepared at low substrate temperatures using Hot Wire chemical vapor deposition (HWCVD). High crystalline volume fractions were achieved at high hydrogen dilution and high deposition pressure. Without intentional doping, such material shows high dark conductivity and high optical absorption below the band gap. The material prepared at low deposition pressure or low hydrogen dilution, on the other hand, shows much lower conductivity and sub-gap absorption, but high spin densities up to 5 x 10{sup 19} cm{sup -3}. This high absorption can be attributed to free carriers, different to {mu}c-Si:H where a correlation between the sub-gap absorption and the spin density is observed.

2008-01-15

145

Analysis of high turbulence combustion in a direct-injection diesel engine with high squish combustion chamber; CFD ni yoru ko squish nenshoshitsunai koranryu diesel nensho no kaiseki

The study examines advances in Chinese High Power Microwaves (HPM) research and its associated technologies: pulsed power, high-power microwave sources, and high-power microwave components. It draws from open literature published in Chinese and English, communication with US scholars who have visited China recently, and communication with Chinese researchers in the United States. The study is limited to frequencies ranging from 1 GHz to 300 GHz. It includes both high peak power microwaves and high average power microwaves. The technical review section of this study is ordered in technological sequence, starting with the pulsed-power systems required to form the intense relativistic electron beams, then assessing microwave source research and development, and finally discussing high-power microwave components.

1990-05-01

146

High octane ethers from synthesis gas-derived alcohols

Simultaneous reduction of NO{sub x} and particulate emissions in a direct-injection diesel engine has been realized experimentally with a high squish combustion chamber. The purpose of this study is to investigate the effects of high squish combustion chamber on combustion process in detail. Engine CFD code FREC was used for the analysis. The results show the followings. (1) Compared with standard toroidal chamber, high squish chamber generates high turbulence due to strong squish and large expansion flow is caused in the cavity. (2) Rich and high-turbulence combustion, which forms ring area in the cavity under squish lip, continues during the combustion. (3) The high squish combustion chamber keeps fuel long in the cavity and less hid spreads out to the cold clearance volume. (4) For the condition of retarded injection timing, the effect of ...

1999-08-25

147

High capacity heavy media processing

Catalytic testing of inorganic catalysts was continued with the highly active sulfate-modified zirconia catalyst prepared here. Using isobutanol as the only reactant over this catalyst, it was demonstrated that high conversion and selectivity to isobutene was achieved at 175[degrees]C. In addition, the high selectivity to isobutene, i.e. 79--86 mol%, was maintained at higher space velocities and higher temperatures. A high productivity of 11.35 mol isobutene was achieved at 225[degrees]C. Utilizing a methanol/isobutanol = 2/1 molar ratio reactant mixture over the ZrO[sub 2]/SO[sub 4][sup 2[minus

1992-10-01

148

High quality water supply system; Joshitsusui kyokyu system

Pittston Coal Company recognized the potential economic benefit of improving process efficiency with increased capacity at it`s U.K. No. 1 Coal Preparation Plant. Accordingly, extensive research, both domestically and internationally, was conducted to select the appropriate technologies to achieve the desired circuit in the most cost effective manner while, at the same time, sacrificing neither structural integrity nor process performance. Large diameter heavy media cyclone technology was combined with highly efficient banana type screens and improved high intensity magnetic separators to create a coordinated process circuit that provided high efficiency at very high capacities in an economically attractive package.

1996-12-31

149

High power nickel - cadmium cells with fiber electrodes (FNC)

This paper, firstly, introduces the background in developing a high quality water supply system, in which the drinking water system is isolated inside a building. Results of questionnaire on the high quality service water are illustrated. The results of questionnaire have revealed that the high quality service water is extremely interested. Then, are described the target quality of high quality water, the constitution of high quality water supply system, the treatment process, the measures to secure safety and sanitary, and the method of maintenance. The high quality water is produced through the activated charcoal absorption treatment, membrane treatment, ozonation, cooling, mineral addition, and disinfection of city water. Furthermore, application examples of this system adopted to a department store and a bachelor apartment house are introduced. For the ...

1995-01-15

150

Effect of rich and high turbulence combustion on emissions and flame behavior in a direct-injection diesel engine; Chokusetsu funshashiki diesel kikan ni okeru haki tokusei to kaen kyodo ni oyobosu kano koranryu nensho no eikyo

Nickel cadmium batteries differ greatly in their mechanical design and construction of the electrodes. Using available electrode constructions, batteries are designed which meet the requirements of specific applications and offer optimum performance. Pocket- and tubular cells are basically developed with the technology of the year 1895. Since then some improvements with todays technology have been made. The sintered cells use the technology of the 1930's and they are still limited to high power application. With this knowledge and the technology of today the fiber-structured nickel electrode (FNC) was developed at DAUG laboratory, a subsidiary company of Mercedes-Benz and Volkswagen. After ten years of experience in light weight prototype batteries for electric vehicles (1-2), the system was brought into production by a new company, DAUG-HOPPECKE. Characteristics of fiber electrodes: thickness and size can be easily changed; pure active materials are used; ...

151

SI/SIGE NANOWIRE ARRAYS FOR THERMOELECTRICITY

This study tried to reduce NO{sub x} and particulate emissions simultaneously in a high speed direct-injection diesel engine. Fuel-rich combustion was used to reduce NO{sub x} emission at initial combustion stage and high turbulence combustion was used to reduce particulate emission at diffusion combustion stage. Experiments were carried out to investigate the effects of high squish combustion chambers with small throat on combustion process and exhaust emissions. Results showed that in the high squish combustion chamber, both NO{sub x} and particulate emissions reduced with retarded injection timing. Endoscopic high speed photography was employed to analyze experimental results. In the original combustion chamber at the early combustion stage, the high luminosity flame tended to spread out of the cavity. Fuel-rich mixture burned slowly over the piston crown. In ...

1999-09-25

152

Environmental Research Database

ObjectivesFor thermoelectricity both low thermal conductivity and high electrical conductivity are required. High electrical conductivity should be established via a high carriers concentration and a high mobility.~%~The aim of this feasibility study is to investigate a method of modulation doping of Si nanowires in order to generate high carrier concentrations without the need for impurity doping, thus retaining high mobilities.~%~~%~The objectives are (in chronological order):~%~- reduction of the wire [continued...]DescriptionIn recent years, the increasing dependence of society on fossil fuels for socio-economical development has become a cause of great concern. The possibility of a reduced availability of fossil fuels, and the effect of these fuels on climate change, have encouraged research into alternative energy sources. Many of these ...

2008-01-30

153

Length-sorted semiconducting carbon nanotubes for high-mobility thin film transistors

British Library Electronic Table of Contents (United Kingdom)

We have developed a process for chemical purification of carbon nanotubes for solution-processable thin-film transistors (TFTs) having high mobility. Films of the purified carbon nanotubes fabricated by simple drop coating showed carrier mobilities as high as 164 cm2V?1s?1, normalized transconductances of 0.78 Sm?1, and on/off current ratios of 106. Such high performance requires the preparation of a suspension of micrometer-long and highly purified semiconducting single-walled carbon nanotubes (SWCNTs). Our purification process includes length and electronic-type selective trapping of SWCNTs using recycling gel filtration with a mixture of surfactants. The results provide an important milestone toward printed high-speed and large-area electronics with roll-to-roll and ink-jet device fabri...

2011-01-01

154

Development of ball bearings with solid film for high-vacuum, high-temperature, high-speed application

piggyBac is a flexible and highly active transposon as compared to Sleeping Beauty, Tol2, and Mos1 in mammalian cells

This paper describes the experimental results of long-life solid lubricated ball bearings tested under high-vacuum of 10 exp -4 Pa, high-temperature of 300 C, and high-speed (9000 rpm) conditions. For full ball-type bearings, the thin soft metals, either Ag or Pb, which were coated on the races and balls, appeared to have good torque properties. However, the durability of such bearings was less than 300 hours. The transfer films from the lamellar solid MoS2 and metal composite retainers improved the torque and wear properties. For ceramic, i.e., silicon nitride, balls used with steel rings, wear occurred on the inner rings. All ceramic bearings with composite retainers showed improved torque and wear properties. 18 refs.

1993-04-01

155

chipD: a web tool to design oligonucleotide probes for high-density tiling arrays

A nonviral vector for highly efficient site-specific integration would be desirable for many applications in transgenesis, including gene therapy. In this study we directly compared the genomic integration...Full Text Available

2006-10-10

156

Visual mental imagery during caloric vestibular stimulation

chipD is a web server that facilitates design of DNA oligonucleotide probes for high-density tiling arrays, which can be used in a number of genomic applications such as ChIP-chip or gene-expression...Full Text Available

2010-07-01

157

U of C site vies for new particle accelerator

We investigated high-resolution mental imagery and mental rotation, while the participants received caloric vestibular stimulation. High-resolution visual mental imagery tasks have been shown...Full Text Available

2006-01-01

158

CERN Multimedia

"American dominance in the study and development of high-energy particle physics may be seriously compromised, according to a report issued by the National Academy of Sciences, unless efforts are made to ensure that the next high-energy particle accelerator - the International Linear Collider (ILC) - will be constructed in the U.S.

2006-01-01

159

Thermal plasma process for recovering monomers and high value carbons from polymeric materials

The properties of nuclear matter at small distances

The present invention relates to a method of recycling polymeric waste products into monomers and high value forms of carbon by pyrolytic conversion using an induction coupled RF plasma heated reactor.

2002-01-01

160

The high Andes, gene flow and a stable hybrid zone shape the genetic structure of a wide-ranging South American parrot

Experimental data on high energy cumulative particle production are analyzed in the frame of flucton models. The analysis gives evidence for the flucton as a multiquark system with high baryon density. 6 refs., 5 figs.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

161

The effects of high voltage transmission lines on the health of adjacent resident populations.

BackgroundWhile the gene flow in some organisms is strongly affected by physical barriers and geographical distance, other highly mobile species are able to overcome such constraints....Full Text Available

162

Temperature profiles and bathymetry of some high mountain lakes

A community health survey of 438 individuals was taken to detect health problems related to high voltage electrical transmission among an adjacent residential population. Results revealed no significant...Full Text Available

1984-01-01

163

Tandem repeats analysis for the high resolution phylogenetic analysis of Yersinia pestis

The ice cover in high mountain lakes breaks up and disappears in about an hour, in part because it has been divided into fragile vertical spindles, which are individual crystals. Contributing to this...Full Text Available

2000-06-06

164

Surgical approach for high-energy posterior tibial plateau fractures

BackgroundYersinia pestis, the agent of plague, is a young and highly monomorphic species. Three biovars, each one thought to be associated with the last three Y....Full Text Available

165

Spread of a highly mucoid Streptococcus pyogenes emm3/ST15 clone

Background:High-energy fractures of posterior tibial plateau always need surgical treatment. Generally, posterior fragments of these fractures could not be exposed and reduced...Full Text Available

2011-03-01

166

Sodium sulphur starts to deliver. [High power density battery

BackgroundHyaluronic acid capsule plays a key role in Streptococcus pyogenes virulence. Circulation of mucoid or highly encapsulated strains has been related to...Full Text Available

167

Safety Implications of High-Field MRI: Actuation of Endogenous Magnetic Iron Oxides in the Human Body

The development of a high power density sodium sulphur battery with a five-year maintenance-free life is described. These batteries are likely to be used in industrial trucks, milk floats, electric cars, storing power station output and power for satellites. (U.K.).

1985-10-03

168

SEQADAPT: an adaptable system for the tracking, storage and analysis of high throughput sequencing experiments

BackgroundMagnetic Resonance Imaging scanners have become ubiquitous in hospitals and high-field systems (greater than 3 Tesla) are becoming increasingly common. In light of recent...Full Text Available

169

Risks of leukaemia among residents close to high voltage transmission electric lines.

BackgroundHigh throughput sequencing has become an increasingly important tool for biological research. However, the existing software systems for managing and processing these data...Full Text Available

170

Reproductive Success of Cavity-nesting Birds Breeding under High-voltage Powerlines

OBJECTIVES: To reassess the risk of leukaemia associated with residential exposure near high voltage transmission electric lines of 49 kV and above in view of the recent publications. METHODS: Through...Full Text Available

1997-09-01

171

Reduction in blood pressure with a low sodium, high potassium, high magnesium salt in older subjects with mild to moderate hypertension.

... biological effects of electromagnetic fields (EMFs) produced by high-voltage transmission lines have come under intense scrutiny, mostly with respect ... biological effects of electromagnetic fields (EMFs...

172

Rapid evolution of sessility in an endemic species flock of the freshwater bivalve Corbicula from ancient lakes on Sulawesi, Indonesia

OBJECTIVE--To examine the effect of a reduced sodium and increased potassium and magnesium intake on blood pressure. DESIGN--Randomised double blind placebo controlled trial. SETTING--General population...Full Text Available

1994-08-13

173

Quality assurance requirements for high-level waste form production

The fauna of ancient lakes frequently contains taxa with highly derived morphologies that resulted from in situ radiation of lacustrine lineages with high antiquity. We employed a molecular...Full Text Available

2006-03-22

174

Project resumes: biological effects from electric fields associated with high-voltage transmission lines

This paper discusses the quality assurance requirements for high-level canistered waste form products which would be acceptable for disposal in a deep geologic repository. A review plan and guidelines are provided.

1989-04-02

175

Abstracts of research projects are presented in the following areas: measurements and special facilities; cellular and subcellular studies; physiology; behavior; environmental effects; modeling, scaling and dosimetry; and high voltage direct current. (ACR)

1980-01-01

176

I review the physic prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking.

1994-03-28

177

I review the physics prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking. ((orig.)).

1995-02-01

178

I review the physic prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking.

1994-06-01

179

Phylometabonomic Patterns of Adaptation to High Fat Diet Feeding in Inbred Mice

I review the physics prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking. ((orig.)).

180

PEG-conjugated PAMAM Dendrimers Mediate Efficient Intramuscular Gene Expression

Insulin resistance plays a central role in type 2 diabetes and obesity, which develop as a consequence of genetic and environmental factors. Dietary changes including high fat diet (HFD) feeding promotes...Full Text Available

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181

Out of Gear $10 billion particle collider hasn't smashed a thing, but scientists still have high hop

Generations 5 and 6 (G5 and G6) poly(amidoamine) (PAMAM) dendrimers have been shown to be highly efficient nonviral carriers in in vitro gene delivery. However, their high toxicity...Full Text Available

182

CERN Multimedia

Out of Gear $10 billion particle collider hasn't smashed a thing, but scientists still have high hop

2009-01-01

183

Optimum flywheel sizing for parallel and series hybrid vehicles.

Natural Gaits of the Non-Pathological Flat Foot and High-Arched Foot

Flywheels have the possibility of providing high turnaround efficiency and high specific power output. These characteristics are very important for the successful manufacture of parallel and series hybrid vehicles, which have the potential for providing h...

1996-01-01

184

Minigenome-Based Reporter System Suitable for High-Throughput Screening of Compounds Able To Inhibit Ebolavirus Replication and/or Transcription ?

There has been a controversy as to whether or not the non-pathological flat foot and high-arched foot have an effect on human walking activities. The 3D foot scanning system was employed to obtain static...Full Text Available

185

Microbicide Acceptability Among High-Risk Urban U.S. Women: Experiences and Perceptions of Sexually Transmitted HIV Prevention

We describe an Ebolavirus minigenome-based system that is suitable for high-throughput screening of compounds able to impair Ebolavirus virus replication and/or transcription....Full Text Available

2010-07-01

186

Microbial treatment of high explosives

SUMMARYA study of microbicide acceptability among high-risk African American, Puerto Rican, non-Hispanic White, and other women in Hartford, Connecticut indicated...Full Text Available

2004-11-01

187

Methylprednisolone acetate induced release of cartilage proteoglycans: determination by high performance liquid chromatography.

Both DOE and DOD use water and/or steam in the process of removing high explosives, resulting in large quantities of contaminated water, which is then run through activated carbon, which then has to be decontaminated. Research has been underway to utilize microorganisms to degrade RDX and HMX.

1997-07-01

188

Mass spectrometric characterization of high-temperature outgassing of anisotropic pyrolytic boron nitride

A high performance liquid chromatography (HPLC) procedure suitable for the simultaneous determination of the molecular size and concentration of macromolecular hyaluronate and proteoglycans in synovial...Full Text Available

1992-02-01

189

Low grade inflammation, as evidenced by basal high sensitivity CRP, is not correlated to outcome measures in IVF

This paper describes a system for fast mass spectrometric characterization of high-temperature outgassing measurements and measuring the total quantity of gas evolved for boron nitride. 2 references, 1 figure, 2 tables.

190

Living and Working Around High-Voltage Power Lines.

PurposeTo assess the relationship between low-grade inflammation, measured as basal high sensitivity (hs)-CRP, and IVF outcome.MethodsWe recruited...Full Text Available

2008-08-01

191

Influence of invertase activity and glycerol synthesis and retention on fermentation of media with a high sugar concentration by Saccharomyces cerevisiae.

This booklet presents safe practices that you should follow if your activities take you near high-voltage transmission lines. It documents information that has generally been available to the public.

1981-08-01

192

Inferring transcription factor complexes from ChIP-seq data

In the past, the fermentation activity of Saccharomyces cerevisiae in substrates with a high concentration of sucrose (HSuc), such as sweet bread doughs, has been linked inversely to invertase activity...Full Text Available

1997-01-01

193

Incidence and Diversity of Potentially Highly Heat-Resistant Spores Isolated at Dairy Farms

Chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq) allows researchers to determine the genome-wide binding locations of individual transcription factors (TFs) at high resolution....Full Text Available

2011-08-01

194

Immune activation and IL-12 production during acute/early HIV infection in the absence and presence of highly active, antiretroviral therapy

The presence of highly heat-resistant spores of Bacillus sporothermodurans in ultrahigh-temperature or sterilized consumer milk has emerged as an important item in the dairy industry....Full Text Available

2005-03-01

195

High-resolution infrared observations in IC 5146

Suppressed IL-12 production and maladaptive immune activation, both of which are ameliorated by successful highly active antiretroviral therapy (HAART), are thought to play important roles in the immunopathogenesis...Full Text Available

2008-12-01

196

High-energy reaction cross sections of light nuclei

High-resolution near-infrared and far-infrared observations are presented of the southeastern molecular cloud fragment in the IC 5146 dark cloud. These observations rule out earlier suggestions for the formation of massive stars in this fragment.

1984-04-01

197

High-Throughput Screen for Poly-3-Hydroxybutyrate in Escherichia coli and Synechocystis sp. Strain PCC6803

The high-energy reaction cross sections of Li and Be isotopes are calculated using a simplified Glauber model and densities constrained by the empirical binding energies. We find excellent agreement with experiment, reproducing the large increase for the most neutron-rich nuclei.

1989-03-01

198

High-Speed Ultrahigh-Resolution Optical Coherence Tomography Findings in Chronic Solar Retinopathy

A novel, quantitative method for detecting poly-3-hydroxybutyrate (PHB) amounts in viable cells was developed to allow for high-throughput screening of mutant libraries. The staining technique was demonstrated...Full Text Available

2006-05-01

199

High power photon beamline elements in the LBL/SSRL/EXXON Beamline VI

PurposeTo describe ocular findings for a 34-year-old man with chronic solar retinopathy using high-speed ultrahigh-resolution (UHR) optical coherence tomography (OCT).Full Text Available

2008-01-01

200

High conversion of coal to transportation fuels for the future with low HC gas production. Progress report No. 3, April 1--June 30, 1993

Beamline VI is a wiggler-based, multi-kilowatt, intense synchrotron radiation beamline installed SPEAR. The thermal design parameters for this beamline are presented and then design considerations and construction descriptions are given for many of the high-power photon beamline elements.

1992-09-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

201

High Speed Cylindrical Roller Bearing Development.

The objective of the current research in coal liquefaction is to produce a synthetic crude from coal at a cost lower than $30.00 per barrel (Task A). A second objective is to produce a fuel which is low in aromatics, yet of sufficiently high octane number for use in the gasoline-burning transportation vehicles of today. To meet this second objective, research was proposed for conversion of the highly-aromatic liquid product from coal conversion to a product high in isoparaffins, which compounds in the gasoline range exhibit a high octane number (Task B). Experimental coal liquefaction studies conducted in a batch microreactor in the laboratory have demonstrated potential for high conversions of coal to liquids with low yields of hydrocarbon (HC) gases, hence small consumption of hydrogen in the primary liquefaction step. Ratios of liquids/HC gases as high as ...

1993-07-01

202

High Power, High Repetition Rate, Diode-Pumped, Solid State Laser ...

High speed experimental tests provided data on six parametric cylindrical roller bearings. Four bearing variables were evaluated and the results were correlated with the analytical model developed under Naval Air Propulsion Center Contract N00140-76-C-038...

1980-01-01

203

High Glucose-Mediated Oxidative Stress Impairs Cell Migration

Also, this laster will employ an acousto-optic Q-switch which will allow repetition rates greater than 50 kHz at reduced pulse energy. ...

204

High Contrast Near-infrared Polarized Reflectance Images of Demineralization on Tooth Buccal and Occlusal Surfaces at ?=1310-nm

Deficient wound healing in diabetic patients is very frequent, but the cellular and molecular causes are poorly defined. In this study, we evaluate the hypothesis that high glucose concentrations inhibit...Full Text Available

205

HIV prevention in prisons and jails: obstacles and opportunities.

Background and Objectives:Sound enamel manifests peak transparency in the near-IR (NIR) at 1310-nm, therefore the near-IR is ideally suited for high contrast imaging...Full Text Available

2009-03-01

206

High rates of human immunodeficiency virus (HIV) infection among jail and prison inmates suggest that HIV prevention efforts should focus on incarcerated populations. Overcrowding, the high prevalence...Full Text Available

1994-09-01

207

Exotic colliders

Evolution of the nuclear ribosomal DNA intergenic spacer in four species of the Daphnia pulex complex

The motivation, feasibility and potential for two unconventional collider concepts - the Gamma-Gamma Collider and the Muon Collider - are described. The importance of the development of associated technologies such as high average power, high repetition rate lasers and ultrafast phase-space techniques are outlined.

1994-11-01

208

Epidemiological consequences of an incursion of highly pathogenic H5N1 avian influenza into the British poultry flock

BackgroundConcerted evolution refers to the pattern in which copies of multigene families show high intraspecific sequence homogeneity but high interspecific sequence diversity....Full Text Available

209

Endoscopic Transforaminal Suprapedicular Approach in High Grade Inferior Migrated Lumbar Disc Herniation

Highly pathogenic avian influenza and in particular the H5N1 strain has resulted in the culling of millions of birds and continues to pose a threat to poultry industries worldwide. The recent outbreak...Full Text Available

2008-01-07

210

Electroweak interactions and high-energy limit

ObjectiveAlthough endoscopic procedures for lumbar disc diseases have improved greatly, the postoperative outcomes for high grade inferior migrated discs are not satisfactory. Because...Full Text Available

2009-02-01

211

Effects of norepinephrine infusion on myocardial high-energy phosphate content and turnover in the living rat.

A pedagogical introduction to the equivalence theorem for longitudinal vector bosons in electroweak theories is given and the problem of tree-level unitarity at high energies in models of electroweak interactions is briefly reviewed. To make the treatment self-containded, the basic of the Standard Model are summarized in an appendix.

1996-01-01

212

Dual Energy and Low kVp CT in the Abdomen

Using 31P-nuclear magnetic resonance, we studied the relationship between myocardial high-energy phosphate content and flux values for the creatine kinase reaction in the living rat under inotropic...Full Text Available

1987-06-01

213

Diverse Range of Small Peptides Associated With High-Density Lipoprotein

Low kVp settings provide high conspicuity of contrast materials at CT but may result in high image noise, particularly in larger patients. Material decomposition at dual energy CT can differentiate...Full Text Available

2009-07-01

214

Differing prognosis of cervical cancer patients with high risk of treatment failure after radical hysterectomy warrants trial treatment modification

High-density lipoproteins (HDL) were examined as potential carriers of small peptides in plasma. HDL purified by density gradient centrifugation was delipidated and fractionated by size-exclusion...Full Text Available

2006-02-17

215

Differential Effect of Irradiance and Nutrient Nitrate on the Relationship of in Vivo and in Vitro Nitrate Reductase Assay in Chlorophyllous Tissues ¹

ObjectiveThe aim of this study was to ascertain whether all cervical cancer patients who received adjuvant concurrent chemoradiation (CCRT) for high risk of treatment failure after...Full Text Available

2009-03-01

216

Developing generalized behavior-modification skills in high-school students working with retarded children.

Growth at increasing continuous irradiance (at high nutrient nitrate) and nutrient nitrate concentrations (at high continuous irradiance) furnished increases in the in vivo and in...Full Text Available

1977-04-01

217

Determination of Thermal Properties and Morphology of Eucalyptus Wood Residue Filled High Density Polyethylene Composites

Seven high-school trainees each conducted training sessions with two profoundly retarded children. Each trainee was asked to teach one child to follow the instruction "Bring ball" and the other child...Full Text Available

1975-01-01

218

Detection and Identification of Ciprofloxacin-Resistant Yersinia pestis by Denaturing High-Performance Liquid Chromatography

Thermal behaviors of eucalyptus wood residue (EWR) filled recycled high density polyethylene (HDPE) composites have been measured applying the thermogravimetric analysis (TGA) and differential scanning...Full Text Available

219

Designer himself throws light upon high-temperature reactor

Denaturing high-performance liquid chromatography (DHPLC) has been used extensively to detect genetic variation. We used this method to detect and identify Yersinia pestis KIM5 ciprofloxacin-resistant...Full Text Available

2003-07-01

220

Designer himself throws light upon high-temperature reactor

THe high-temperature reactor is one of the alternatives for the now predominantly employed water-reactors. In a recently published book designer Rudolf Schulten outlines his concept. In this article the book is reviewed. (author). 1 ref.; 1 fig.

1990-04-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

221

Conformational stability of alternating d (CG) oligomers in high salt solution.

THe high-temperature reactor is one of the alternatives for the now predominantly employed water-reactors. In a recently published book designer Rudolf Schulten outlines his concept. In this article the book is reviewed. (author). 1 ref.; 1 fig.

222

Comprehensive SNP-chip for retinitis pigmentosa-Leber congenital amaurosis diagnosis: new mutations and detection of mutational founder effects

The conformation of d (CG)n oligomers with n = 2,3 has been studied in aqueous solution in the presence of high salt concentration. A minimum n value of three is necessary to obtain a left-handed Z-helix....Full Text Available

1981-05-11

223

Clinical Correlates to Laboratory Measures for use in Non-Contact Anterior Cruciate Ligament Injury Risk Prediction Algorithm

Fast and efficient high-throughput techniques are essential for the molecular diagnosis of highly heterogeneous hereditary diseases, such as retinitis pigmentosa (RP). We had previously approached RP...Full Text Available

2010-01-01

224

Carbon Dioxide Capture Utilizing Solid Sorbents

BackgroundProspective measures of high knee abduction moment during landing identify female athletes at high risk for non-contact anterior cruciate ligament injury....Full Text Available

2010-08-01

225

CLOTU: An online pipeline for processing and clustering of 454 amplicon reads into OTUs followed by taxonomic annotation

The objective of this work is to develop regenerable sorbents that have high selectivity, efficient regenerability, and high adsorption capacity for CO2 over wide temperature ranges. These properties are critical for the success of the PSA/PSS and TSA/TSS processes.

2006-09-01

226

Bioavailability of organic matter in a highly disturbed estuary: The role of detrital and algal resources

BackgroundThe implementation of high throughput sequencing for exploring biodiversity poses high demands on bioinformatics applications for automated data processing. Here we introduce...Full Text Available

227

Anthropogenic enhancement of Egypt's Mediterranean fishery

The importance of algal and detrital food supplies to the planktonic food web of a highly disturbed, estuarine ecosystem was evaluated in response to declining zooplankton and fish populations. We assessed...Full Text Available

2002-06-11

228

An argument for the conservative management of small traumatic pneumathoraces in populations with high prevalence of HIV and tuberculosis: an evidence-based review of the literature

The highly productive coastal Mediterranean fishery off the Nile River delta collapsed after the completion of the Aswan High Dam in 1965. But the fishery has been recovering dramatically since the...Full Text Available

2009-02-03

229

Altering high temperature subterranean formation permeability

BackgroundTraumatic pneumothoraces are common. Many are managed with tube thoracostomy. However, there is a high complication rate from chest tube placement, particularly in patients...Full Text Available

230

ADVANCED MICROELECTRONICS TECHNOLOGIES FOR - NASA

This patent describes a delayed acrylamide containing polymer crosslinker having stability in an aqueous solution at high temperatures. It comprises: a combination of an aldehyde and a salicylic acid derivative selected from salicylamide and acetysalicylic acid.

1991-02-19

231

A high-speed network for cardiac image review.

... and technology-. The United States National Technology Roadmap for Semiconductors [ 11 still ... Moreover, higher volumes of production, better manufacturing capabilities and ... energy-efficient, reliable, high-performance, embedded (real-time), highly miniaturized, .... Optical Computing, Storage, and Communications. ...

232

A Novel Information Retrieval Model for High-Throughput Molecular Medicine Modalities

A high-speed fiber-based network for the transmission and display of digitized full-motion cardiac images has been developed. Based on Asynchronous Transfer Mode (ATM), the network is scaleable, meaning...Full Text Available

1994-01-01

233

A Large-Scale Distribution of Milk-Based Fortified Spreads: Evidence for a New Approach in Regions with High Burden of Acute Malnutrition

Significant research has been devoted to predicting diagnosis, prognosis, and response to treatment using high-throughput assays. Rapid translation into clinical results hinges upon efficient access...Full Text Available

234

BackgroundThere are 146 million underweight children in the developing world, which contribute to up to half of the world's child deaths. In high burden regions for malnutrition,...Full Text Available

235

Voyager Support

Use of high energy radiation component as a reference source for radiometric testing

On Day 363, a negative 360-degree roll turn with spacecraft ... Ill. DSN Support Assessment. As an indication of the high level support provided by the ...

236

Theoretical Calculation of Jet Fuel Thermochemistry

The possibility of providing high accuracy of absorption and albedo methods of radiometric testing due to the use of high-energy radiation component that has passed through a barrier and gone from it in the opposite direction as a reference source, is considered. It is shown that the use of high-energy component of penetrating radiation as a reference source decreases the device response to the main interference in a much larger degree than its response to the change of measured parameter. Experiments are performed using steel pipes and plates. "2"4"1Am, "1"3"7Cs and "6"0Co are used as sources.

237

The effects of high-temperature exposure on the properties of heat-resistant alloys

High-level ab initio calculations have been performed on the exo and endo isomers of gas-phase

2010-01-01

238

The Effects of Dietary Chinese Cabbage Kimchi Juice on the Lipid Metabolism and Body Weight Gain in Rats Fed High-Calories-Diet

The exposure of heat-resistant alloys to high temperature can significantly change their mechanical properties. This paper presents and analyzes data on the effect of thermal exposure on the tensile and impact behavior of three cast materials -- the HK-40, HP-50, and 21Cr-32Ni-Fe alloys -- and of wrought material -- Alloy 800. The changes in tensile and impact properties caused by high-temperature exposure are reviewed. Reasons for these property changes and needs for considering them in the design, operation, and life assessment of high-temperature equipment are discussed.

1994-12-31

239

The Differential Effects of Plyometric Training and Weight Training on Muscular Power, Agility and Maximal Muscular Strength of the Male and Female High-school Throwers

Full Text Available

2004-01-01

240

Surface Treatment in Edge Position of Spheroidal Cast Iron for Mold Materials by Using High Power Diode Laser

Full Text Available

2009-12-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

241

Simulation of High Power Deposition on Target Materials: Applications in Magnetic, Inertial Fusion, and High Power Plasma Lithography Devices

Full Text Available

2009-09-01

242

Self-Propagating High-Temperature Synthesis Technologies

High power and particle deposition on target materials are encountered in many applications including magnetic and inertial fusion devices, nuclear and high energy physics applications, and laser and discharge produced plasma devices. Surface and structural damage to plasma-facing components due to the frequent loss of plasma confinement remains a serious problem for the Tokamak reactor concept. The deposited plasma energy causes significant surface erosion, possible structural failure, and frequent plasma contamination.

2006-01-01

243

Real-time Interactive Control of Magnetic Resonance Imaging System Using High-speed Digital Signal Processors

Development of SHS-technologies for SiC, Si3N4 and Ceramic Composites on Their Basis from Rocks

244

Reactor poolside high-resolution fuel rod gamma scanning system

Full Text Available

2003-09-01

245

Nuclear structure physics at high resolution

(1981). United States Blair, TR Exxon Nucl, Richland, WA 99352

246

Nanometer size determination of type II domains in CuPt-ordered GaInP2 with high-pressure magneto-luminescence.

Techniques for studying nuclear structure are reviewed. Examples are given of charge density determinations by electron and proton inelastic scattering. (AIP)

1985-04-01

247

No abstract prepared.

1999-12-31

248

NASA TECH BRIEF

Microstructural analysis of a high strength martensite-beta titanium alloy

Magnetic Forming Studies. The use of transient high magnetic-field devices has made possible the generation of very large accurately ...

249

Medical Isotope Production in the Fast Flux Test Facility and the High Flux Isotope Reactor and Isotope Production Software Users Guides

1970. United States Crossley, FA Lindberg, RW Lockheed Missiles and

250

Low-energy high-current electron beam generation in plasma systems and beam-plasma interaction

No abstract prepared.

2000-08-23

251

High-precision direct on-line mass measurements of short-lived isotopes confined in a Penning trap

... Union (INTAS), Brussels (Belgium) Science and Technology Center in Unkraine,

2006-09-11

252

High-efficiency resonant rf spin rotator with broad phase space acceptance for pulsed polarized cold neutron beams

Published in summary form only.

253

High rate sputter deposition of wear resistant tantalum coatings

No abstract prepared.

2008-01-01

254

High current implantation of negative copper ions into silica glasses

The refractory nature and high ductility of body centered cubic (bcc) phase tantalum makes it a suitable material for corrosion- and wear-resistant coatings on surfaces that are subjected to high stresses and harsh chemical and erosive environments. Sputter deposition can produce thick tantalum films but is prone to forming the brittle tetragonal beta phase of this material. Efforts aimed at forming thick bcc phase tantalum coatings in both flat plate and cylindrical geometries by high-rate triode sputtering methods are discussed. In addition to substrate temperature, the bcc-to-beta phase ratio in sputtered tantalum coatings is shown to be sensitive to other substrate surface effects.

1992-07-01

255

High Resolution Mesoscale Weather Data Improvement to ...

High-current implantation of Cu{sup {minus}} ions into silica glasses has been demonstrated using mA-class negative ion beams at 60 keV. Negative ion implantation has an advantage to alleviate specimen charging for insulating substrates and has attained high dose rates, up to 260 {micro}A/cm{sup 2}. Spherical Cu colloids form in the silica glasses without additional thermal annealing. Optical absorption and reflection of the implanted specimens vary with the current density, even at a fixed dose level. A beam-induced surface plasma may affect the high current implantation.

1997-12-01

256

High Exposure Facility Technical Description

... that defines hydrometeor categories for the duration of the simulation ... and to observe the movement of any particular system ... particle settling occurred ...

2007-03-01

257

Heavy-ion accelerators and predicted lifetimes of highly stripped ions

The High Exposure Facility is a collimated high-level gamma irradiator that is located in the basement of the 318 building. It was custom developed by PNNL back in 1982 to meet the needs for high range radiological instrument calibrations and dosimeter irradiations. At the time no commercially available product existed that could create exposure rates up to 20,000 R/h. This document is intended to pass on the design criteria that was employed to create this unique facility, while maintaining compliance with ANSI N543-1974, "General Safety Standard for Installations Using Non-Medical X-Ray and Sealed Gamma-Ray Sources, Energies up to 10 MeV."

2008-02-12

258

HIGH VOLTAGE BREAKDOWN STUDY. ADDENDUM: SOME ...

(Sep 1973). United Kingdom Sinanoglu, O. Luken, W. Yale Univ., New Haven,

1973-01-01

259

Genomics - from Neanderthals to high-throughput sequencing

... The nature of the vacuum breakdown mechanism presents just such a problem and the relative significance or total absence of several processes ...

1968-10-01

260

Foundations Volume 1: A monograph for professionals in science, mathematics, and technology education

A report on 'The Biology of Genomes' meeting, Cold Spring Harbor, USA, 10-14 May 2006.

2006-01-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

261

Evaluation and Experimental Production of Single-Phase Full-wave Rectification Type for X-ray Equipment of High Precision

... and implement high-quality instructional materials; ? Provide stimulating environments outside of ...

262

Evaluating Early Age Shrinkage Behavior of Ultra High Performance Cementitious Composites (UHPCC) with CSA Expansive Admixture and Shrinkage Reducing Agent

Full Text Available

2011-01-01

263

Effect of Pass Schedule on the Microstructures and Mechanical Properties of Multi-step Cold Rolled High Carbon Steel Wires

Full Text Available

2011-08-01

264

Effect of Carbon Tetrachloride on the Changes of Xanthine Oxidase Activity in Rate Previously Fed Low or High Protein Diet

Full Text Available

2011-06-01

265

Ductile aluminide alloys for high temperature applications

Full Text Available

1991-12-01

266

Development of a CFD Program for Cold Gas Flow Analysis in a High Voltage Circuit Breaker Using CFD-CAD Integration

Alloys are described which contain nickel, aluminum, boron, iron and in some instances manganese, niobium and titanium.

1987-01-01

267

Development of Jelly-Type Simulating Polymer Based Human Tissue for Research on Hyperthermia by High Frequency Magnetic Field

Full Text Available

2002-05-01

268

Design Guide: Designing and Building High Voltage Power ...

Full Text Available

2006-11-01

269

Damage and Repair of the APS Graphite/Epoxy Composite ...

... Aluminum electrolytic capacitors have improved through the years. They are smaller, and equivalent series resistance (ESR) is improved. ...

1988-08-01

270

Characteristics of Ultra High Frequency Partial Discharge Signals from Metallic Particle Defected Oil-paper Insulation in Transformer

... Abstract : High temperature testing of graphite/epoxy laminates and composite sandwich panels was performed while the Shuttle was on orbit to ...

1982-10-12

271

Cerebral artery replacement by use of arterial graft irradiated with high voltage cathode ray

Full Text Available

2009-10-01

272

C-CAP Land Cover, Maui, Hawaii 2006

Japanese (Sep 1974). Japan Kudo, Susumu . Kansai Medical School,

1974-01-01

273

Burning questions on the high seas

This data set consists of land derived from high resolution imagery and was analyzed according to the Coastal Change ... ...

274

Basic Research Leading to Compact, Portable Pulsed Power

Marine fuels are discussed. Cost, quality, and engineering aspects of burning coal, oil or emulsions of coal and oil are discussed.

1983-02-10

275

BBB - Phytohaemagglutinin

... 1 ..... 14 High Dielectric Constant Ceramics for Use in Blumlein Transmission Lines ..... 14 ...

2007-03-31

276

Antiobesity Effect of Major Korean Spices (Red Pepper Powder, Garlic and Ginger) in Rats Fed High Fat Diet

... Several outbreaks have been associated with "slow cookers" or crock pots, or in casseroles which had not reached a high enough internal temperature to destroy ...

277

Analysis of the Energy Savings Potential in K-5 Schools in Hot and Humid Climates: Application of high performance measures and renewable energy systems

Full Text Available

2005-03-01

278

An Evaluation of the Severity of the January 1998 Ice Storm in ...

No abstract prepared.

2010-08-01

279

Ammoxidation of methanol to produce hydrogen cyanide

... storm. There was little damage to high-voltage transmission lines and communication towers in northern New England. ...

1998-04-01

280

Abstracts by Mission Directorate - NASA

Promoted antimony phosphate oxide complexes are excellent catalysts for the ammoxidation of methanol to HCN especially at high methanol throughputs.

1985-04-16

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

281

Abdominal Hysterectomy with Coagulating Shears

A new high capacity anode composite based on mesoporous silicon is proposed. By virtue of a structure that resembles a pseudo one-dimensional phase, ...

282

Medline Plus

... energy. It consists of a stack of piezoelectric ceramics sandwiched under high pressure between two metal cylinders. ...

283

A method of measuring radon ({sup 222}Rn) gas content in water samples based on the high solubility of radon gas in olive oil

A Procedure for the separation of sub-microgram quantities of lead and bismuth by vacuum evaporation

No abstract prepared.

2002-03-01

284

A GENERAL STUDY OF PROCESSES FOR THE ...

... bismuth chlorides bismuth 207 cadmium chlorides efficiency evaporation high

285

... fields, materials can be subjected to energy densities exceeding those realized in high explosives, a fact which forms the basis for magnetic forming ...

1962-11-01

286

27 - NASA

l-Proline-catalyzed one-pot expeditious synthesis of highly substituted pyridines at room temperature

02.10.10 - NASA and Texas Instruments are using the theme of human space exploration to develop digital libraries of math and science problems for high ...

287

British Library Electronic Table of Contents (United Kingdom)

Only 15mol% of l-proline in ethanol proved to be a very efficient catalyst for the one-pot synthesis of a wide variety of highly substituted pyridines at room temperature. The methodology is mild, efficient, high yielding, and the products can be directly recrystallized from hot ethanol.

2010-01-01

288

Ultra high vacuum test setup for electron gun

UIC HIGHSPEED 2008 - the leading world event dedicated to high speed rail

Ultra High Vacuum (UHV) test setup for electron gun testing has been developed. The development of next generation light sources and accelerators require development of klystron as a radio frequency power source, and in turn electron gun. This UHV electron gun test setup can be used to test the electron guns ranging from high average current, quasi-continuous wave to high peak current, single pulse etc. An electron gun has been designed, fabricated, assembled and tested for insulation up to 80 kV under the programme to develop high power klystron for future accelerators. Further testing includes the electron emission parameters characterization of the cathode, as it determines the development of a reliable and efficient electron gun with high electron emission current and high life time as well. This needs a clean ultra high vacuum to study ...

2008-05-01

289

The influence of compound admixtures on the properties of high-content slag cement

The UIC High Speed Department's flagship event is the World Congress on High Speed Rail held approximately every three years. This year's congress will take place in Amsterdam from 17 to 19 March 2008. (orig.)

2008-07-01

290

The effects of high voltage transmission lines on the health of adjacent resident populations

Based on the activation theory of alkali and sulfate, the influence of compound admixtures on the properties of high-content slag cement was studied by testing the strength, pore structure, hydrates, and microstructure, Test results show that compound admixtures can obviously improve the properties of high-content slag cement. The emphasis of the present research is two-fold: substituting gypsum with anhydrite and calcining gypsum. These both can improve early and later performance.

2000-01-01

291

Powder metallurgical high performance materials. Proceedings. Volume 3: general topics

A community health survey of 438 individuals was taken to detect health problems related to high voltage electrical transmission among an adjacent residential population. Results revealed no significant or consistent relationships between exposure to a high voltage DC power line and the perceived health problems that were measured. The sample was not, however, large enough to draw statistically significant conclusions regarding possible health effects with a very low incidence.

1984-01-01

292

Muon induced fission in high threshold nuclei

The proceedings of these seminars form an impressive chronicle of the continued progress in the understanding of refractory metals and cemented carbides and in their manufacture and application. The 15"t"h Plansee Seminar was convened under the general theme 'Powder Metallurgy High Performance Materials'. Under this broadened perspective the seminar will strive to look beyond the refractory metals and cemented carbides, which remain at its focus, to novel classes of materials, such as intermetallic compounds, with potential for high temperature applications. (boteke)

2001-05-01

293

Long-Term Adherence to Antiretroviral Treatment and Program Drop-Out in a High-Risk Urban Setting in Sub-Saharan Africa: A Prospective Cohort Study

Muon captures by nucleon pairs via meson-exchange currents produce a high energy excitation tail in heavy nuclei. The muon induced fission by these excitations is calculated in several subactinide nuclei with high threshold fission barriers. The probability for delayed fission ranges from 4 x 10"-"5 to 4 x 10"-"3 for the isotopes considered. (orig.).

294

Insensitive fuze train for high explosives

BackgroundSeventy percent of urban populations in sub-Saharan Africa live in slums. Sustaining HIV patients in these high-risk and highly mobile settings is a major future challenge....Full Text Available

295

High-temperature superconductivity (HTS): summary of case study results; Vorteile der Hochtemperatursupraleitung. Resultate von Fallstudie

A generic insensitive fuze train to initiate insensitive high explosives, such as PBXW-124. The insensitive fuze train uses a slapper foil to initiate sub-gram quantities of an explosive, such as HNS-IV or PETN. This small amount of explosive drives a larger metal slapper onto a booster charge of an insensitive explosive, such as UF-TATB. The booster charge initiates a larger charge of an explosive, such as LX-17, which in turn, initiates the insensitive high explosive, such as PBXW-124.

1994-01-01

296

High-temperature ceramic receivers

The system study 'High Temperature Superconductivity (HTS) in power systems' lists the technical and economical advantages for power generation, transmission and distribution systems using components made of HTS material as seen in the light of current knowledge in the superconductivity area. This report lists the advantages of using high-temperature superconductivity in the power industry area and summarises the results obtained in various case studies on the subject.

2000-07-01

297

High-resolution primary ion beam probe for SIMS

An advanced ceramic dome cavity receiver is discussed which heats pressurized gas to temperatures above 1800/sup 0/F (1000/sup 0/C) for use in solar Brayton power systems of the dispersed receiver/dish or central receiver type. Optical, heat transfer, structural, and ceramic material design aspects of the receiver are reported and the development and experimental demonstration of a high-temperature seal between the pressurized gas and the high-temperature silicon carbide dome material is described.

1980-01-01

298

High-pressure compressor series for air and gases; Hochdruckkompressoren-Baureihe fuer Luft und Gase

High-brightness negative ion beams, especially O{sup -} beams, from a compact gaseous plasma source are studied to evaluate the suitability for high-resolution SIMS. Ion-optical calculations are made using the beam parameters from the new source. Results suggest that sub-100 nm spot with O{sup -} beam current of 10 pA is achievable. Beam focusing, the resulting beam current distributions at the target and the expected instrumental performance are discussed.

2004-06-15

299

Heat transfer problems in high temperature heat exchangers

The requirements of high-pressure compressors increase. The customers wish still larger quantities of delivery with smaller employment of achievement, minimal oil consumption, service amenability, long intervals of maintenance and so forth. For this, the author of the contribution under consideration presents two series of modular developed high-pressure compressors in compact design for industrial air and technical gases which exactly fulfil these requirements.

2010-06-15

300

General corrosion of ALLOY 800 in high temperature water and its prevention

This paper deals with construction types of high temperature heat exchangers, their circulation loops and temperature differences. Most attention is given to gas dynamics, convective heat transfer, convection and radiant heat transfer interaction in high temperature heat exchangers. The ways of heat transfer augmentation and efficient heat exchanger construction are discussed.

1986-01-01

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301

General corrosion of ALLOY 800 in high temperature water and its prevention

General corrosion behavior of ALLOY 800 in high temperature water was studied in relation to its surface film structure. The surface film formed in water was found to decrease the corrosion rate of ALLOY 800. This film is composed of Ni ferrite, and can be obtained by oxidation in air or steam. Based on these results, air or steam oxidation treatment to inhibit Ni and Co release of ALLOY 800 into high temperature water is proposed. (author).

1989-10-01

302

Fuel ignition by high voltage capacitive discharges

General corrosion behavior of ALLOY 800 in high temperature water was studied in relation to its surface film structure. The surface film formed in water was found to decrease the corrosion rate of ALLOY 800. This film is composed of Ni ferrite, and can be obtained by oxidation in air or steam. Based on these results, air or steam oxidation treatment to inhibit Ni and Co release of ALLOY 800 into high temperature water is proposed. (author).

303

Evaluation of lightning-induced overvoltages for high voltage transmission lines

The study examined the possibility for fuel ignition by spark discharge caused by induction effects under high voltage transmission lines. Theoretical background information on capacitive spark discharges and fuel ignition processes is given. Laboratory experiments were conducted to test the dependence of fuel ignition on three parameters: impedance in discharge path, multiple discharges, and larger electrode shapes. The results of these tests are discussed in terms of fuel ignition possibilities under high voltage transmission lines.

1983-03-01

304

Effect of environmental variables on localized corrosion of high-performance container materials

This paper presents some results of lightning induced over voltages for a typical high voltage transmission line configuration. The authors developed an elaborated electromagnetic coupling between the lightning channel and characteristics and the resulting induced overvoltage. The lightning current parameters, for local data, in order to determine the occurrence severity for high voltage transmission lines. (author)

2001-07-01

305

Criteria for the selection of corrosion inhibitors for Arctic and subsea high velocity flowlines

Electrochemical cyclic potentiodynamic polarization (CPP) experiments were performed on several candidate high-performance waste package container materials to evaluate their susceptibility to localized corrosion in aqueous environments relevant to the potential underground high-level nuclear waste repository. This paper presents the results of this study showing the effects of chloride ion (Cl) concentrations, pH, temperature, and electrochemical potential scan rate on the pitting corrosion behavior of these materials.

1997-01-01

306

Check-Up America: Know Your Risk, Lower Your Risk for Diabetes and Heart Disease

Qualifying corrosion inhibitors for use in high velocity multiphase flowlines in arctic or subsea environments is discussed. The tests include high velocity flow loop corrosion tests, pumpability through 0.125 (0.318 cm) inch capillary at low temperatures, compatibility with Nylon 11, emulsion tendency testing, and partitioning characteristics. Laboratory and field data show the importance for using the above criteria for inhibitor selection.

1999-11-01

307

Medline Plus

... Cholesterol High Blood Glucose High Blood Pressure Overweight Physical Activity Small Steps for Your Health Smoking Age, ... blood pressure, unhealthy cholesterol, and high blood glucose. Physical Activity Staying active helps manage your blood glucose, ...

308

An improved method for hyaluronic acid radioiodination

110-500 kV high-pressure cables

A simple procedure is described for preparing {sup 125}I-labelling hyluronan of high molecular weight. The reducing terminal group of hyaluronic acid was derivatized with tyramine through the formation of a Schiff base which was subsequently reduced with sodium cyanoborohydride. By radioiodination of the aromatic ring, {sup 125}I-labelled hyaluronic acid was obtained in high yield (40%) and high specific activity, 555 GBq/mmol (15 Ci/mmol). (Author).

1995-09-01

309

Very high voltage cables with synthesis insulation; Les cables tres haute tension a isolation synthetique

The use of oil-filled high-pressure electric cables has increased significantly. In recent years, the electric cable industry has developed new designs, manufacturing technology, and has mastered the production of 110 to 220 kV cables without using a temporary lead sheath. The design, fabrication, and performance of high-pressure electric cables for power systems are discussed.

1982-08-01

310

Using highly excited baryons to catch the quark mass

A historical review on insulated cables for power transmission, is presented, beginning with impregnated paper insulation, oil filled cables and natural rubber cables. High density and chemically reticulated polyethylene were then used for high voltage and very high voltage cables; the advantages of polyethylene compared to impregnated paper cables are discussed, which led to research programs at EDF on various themes concerning the optimization of polyethylene cables: dielectric properties and reliability, thermomechanical behaviour, thermal ageing of materials, testing methods (acceptance dielectric test and long duration temperature test); utilization of low- and high-density and chemically reticulated polyethylene for 225 kV cables is discussed

1997-06-01

311

Screen-printed Emitter-Wrap-Through solar cell with single step side selective emitter with 18.8% efficiency

Chiral symmetry in QCD can be simultaneously in Wigner and Goldstone modes, depending on the part of the spectrum examined. The transition regime between both, exploiting for example the onset of parity doubling in the high baryon spectrum, can be used to probe the running quark mass in the mid-IR power-law regime. In passing we also argue that three-quark states naturally group into same-flavor quartets, split into two parity doublets, all splittings decreasing high in the spectrum. We propose that a measurement of masses of high-partial wave Delta* resonances should be sufficient to unambiguously establish the approximate degeneracy and see the quark mass running. We test these concepts with the first computation of the spectrum of high-J excited baryons in a chiral-invariant quark model.

2009-01-01

312

British Library Electronic Table of Contents (United Kingdom)

Abstract A fabrication process for Emitter-Wrap-Through solar cells on monocrystalline material with high quality gap passivation by wet thermal silicon dioxide is investigated. Masking and structuring steps are performed by screen-printing technology. Via-holes are created by an industrially applicable high-speed laser drilling process. The cell structure features a selective emitter structure fabricated in a single high temperature step: a highly doped emitter at the via-holes and the rear side, allowing for a low via-hole resistivity as well as a low resistivity contact to screen-printed pastes, and a moderately doped front side emitter exhibiting high quantum efficiency in the low wavelength range. Therefore a novel approach is applied depositing either doped or undoped PECVD silicon d...

2011-01-01

313

STATUS OF THE DIELECTRIC WALL ACCELERATOR

New III-V cell design approaches for very high efficiency. Annual subcontract report, 1 August 1990--31 July 1991

The dielectric wall accelerator (DWA) system being developed at the Lawrence Livermore National Laboratory (LLNL) uses fast switched high voltage transmission lines to generate pulsed electric fields on the inside of a high gradient insulating (HGI) acceleration tube. High electric field gradients are achieved by the use of alternating insulators and conductors and short pulse times. The system is capable of accelerating any charge to mass ratio particle. Applications of high gradient proton and electron versions of this accelerator will be discussed. The status of the developmental new technologies that make the compact system possible will be reviewed. These include, high gradient vacuum insulators, solid dielectric materials, photoconductive switches and compact proton sources.

2009-04-22

314

New III-V cell design approaches for very high efficiency

This report describes progress during the first year of a three-year project. The objective of the research is to examine new design approaches for achieving very high conversion efficiencies. The program is divided into two areas. The first centers on exploring new thin-film approaches specifically designed for III-V semiconductors. The second area centers on exploring design approaches for achieving high conversion efficiencies without requiring extremely high quality material. Research activities consisted of an experimental study of minority carrier recombination in n-type, metal-organic chemical vapor deposition (MOCVD)-deposited GaAs, an assessment of the minority carrier lifetimes in n-GaAs grown by molecular beam epitaxy, and developing a high-efficiency cell fabrication process.

1993-01-01

315

National technical report (Matsushita Electric Industrial Company), Vol. 40, No. 4, August 1994. Special issue on batteries

This report describes progress during the first year of a three-year project. The objective of the research is to examine new design approaches for achieving very high conversion efficiencies. The program is divided into two areas. The first centers on exploring new thin-film approaches specifically designed for III-V semiconductors. The second area centers on exploring design approaches for achieving high conversion efficiencies without requiring extremely high quality material. Research activities consisted of an experimental study of minority carrier recombination in n-type, metal-organic chemical vapor deposition (MOCVD)-deposited GaAs, an assessment of the minority carrier lifetimes in n-GaAs grown by molecular beam epitaxy, and developing a high-efficiency cell fabrication process.

1993-01-01

316

Induction linac-driven free-electron lasers: Status and future prospects

Contents: recent trend of battery technologies; alkaline manganese battery with no mercury addition; high capacity zinc-air battery series for hearing aids; characteristics of vanadium-niobium-lithium rechargeable battery; high-energy density lithium-ion rechargeable battery; lithium polymer rechargeable battery: polymer gel electrolyte and electrode; high-capacity ni-cd battery sm120; high-capacity nickel-metal hydride battery; sealed-type batteries for electric vehicles; high-temperature-durable calcium-type battery for automobiles; sealed lead acid batteries for upss; solar cell power unit; solid oxide fuel cell (1); battery management system.

1994-08-01

317

High-tension corona controlled ozone generator for environment protection

The high repetition rate and low single-pass gain inherent in an rf-driven Free Electron Laser (FEL) dictate that the laser system be configured as an oscillator. This allows the laser's electric field to build up over many passes around a high Q cavity. By way of contrast, the high-current capability of the Induction Linac (IL) system permits high single-pass optical gain, but the relatively low duty factor precludes oscillator operation; the pulses are neither long enough nor often enough to permit a field to accumulate in a cavity. The IL is thus configured as a MOPA (master oscillator/power amplifier) with a conventional laser serving as the MO. This report concentrates on the status of IL-driven FEL research at LLNL and gives a description of several applications for the high-peak-power radiation produced by an induction linac FEL.

1987-01-11

318

High voltage cable in municipal electricity supply

Engineering details of a high voltage driven corona-plasma ozone generator are described. The plasma diode of generator has coaxial cylindrical geometry with cathode located inside anode. Cathode is made of a large number of radial gas nozzles arranged on central tubular mast which admits oxygen gas. The sharp endings of the nozzles along with a set of corona rings create the high electric field at the cathode required for formation of dense corona plume responsible for O_3 evolution. A model of coronal plasma generation and ozone production is presented. The plasma formation is strongly dependent on the electric field and temperature in side diode where a high electron density in a low temperature negative corona is suited for high ozone yields. These are established by suitable regulation of A-K gap, voltage, oxygen pressure, and cathode-nozzle population.

2010-02-01

319

High resolution sequence stratigraphy in China

The author explains current developments in high voltage cable technology and subsequently describes problems inherent in its application, from the users viewpoint, in municipal electricity supply. The planning of a high voltage cable network and the selection of a specific type of cable are not only dependent on the typical properties of various cables but to a major degree also on the feasible laying technique, the power transmitted, the costs, the stellation treatment of the high voltage network, the acceptance requirement, the inductive influence from telecommunication cable, thermal influences from the environment, eventual safeguards from mechanical and chemical damage to the network, frequency of failure and surveillance and breakdown location. In conclusion, the author portrays potential developments in the fields of high and maximum voltage cable from the perspectives of today.

1980-12-22

320

High power testing of a 17 GHz photocathode RF gun

Since high resolution sequence stratigraphy was introduced into China by DENG Hong-wen in 1995, it has been experienced two development stages in China which are the beginning stage of theory research and development of theory research and application, and the stage of theoretical maturity and widely application that is going into. It is proved by practices that high resolution sequence stratigraphy plays more and more important roles in the exploration and development of oil and gas in Chinese continental oil-bearing basin and the research field spreads to the exploration of coal mine, uranium mine and other strata deposits. However, the theory of high resolution sequence stratigraphy still has some shortages, it should be improved in many aspects. The authors point out that high resolution sequence stratigraphy should be characterized quantitatively and modelized by computer techniques. (authors)

2008-11-01

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321

Heat generation and temperature prediction in metal cutting: A review and implications for high speed machining

The physics and technological issues involved in high gradient particle acceleration at high microwave (RF) frequencies are under study at MIT. The 17 GHz photocathode RF gun has a 1 1/2 cell ({pi} mode) room temperature cooper cavity. High power tests have been conducted at 5-10 MW levels with 100 ns pulses. A maximum surface electric field of 250 MV/m was achieved. This corresponds to an average on-axis gradient of 150 MeV/m. The gradient was also verified by a preliminary electron beam energy measurement. Even high gradients are expected in our next cavity design.

1995-12-31

322

British Library Electronic Table of Contents (United Kingdom)

Determination of the maximum temperature and temperature distribution along the rake face of the cutting tool is of particular importance because of its controlling influence on tool life, as well as, the quality of the machined part. Numerous attempts have been made to approach the problem with different methods including experimental, analytical and numerical analysis. Although considerable research effort has been made on the thermal problem in metal cutting, there is hardly a consensus on the basics principles. The unique tribological contact phenomenon, which occur in metal cutting is highly localized and non-linear, and occurs at high temperatures, high pressures and high strains. This has made it extremely difficult to predict in a precise manner or even assess the performance of va...

2006-01-01

323

Final report: technical contributions to the development of incipient fault detection/location instrumentation

Energy absorption characteristics of high damping rubber damper for vibration control of high rise buildings

The transmission of electrical energy by use of underground cables is increasing. Fault location techniques have certain limitations; incipient fault detection and location would help reduce the maintenance cost of these lines as well as improve the reliability of service. The report discusses some test results related to RF-probing techniques applied to high-voltage transmission lines. The high-frequency losses and attenuation in high-voltage cables places certain ultimate limitations on RF-probing techniques for incipient fault detection. Time-domain reflectrometry methods were employed to assess the RF-transmission properties of high-voltage cables at frequencies as high as 6 GHz. Fast-Fourier-transform deconvolution was used to obtain loss measurements as a function of frequency. The loss mechanisms were identified. The measurement hardware and methods are discussed as well as ...

1986-04-01

324

Design: voice activated door opener.

The research and development of a new type of high damping rubber damper for high rise buildings/structures to mitigate earthquake or wind-induced structural response is described in this paper. The static tests were carried out to investigate restoring force characteristics using scale model of high damping rubber damper. The repetitive tests and the temperature dependency tests were carried out to investigate variance of performance of energy absorption. It is confirmed that the damping force characteristics of the damper can be considered as that of linear viscous damping and the damper sufficiently dissipates energy for vibrations of mm order to that of generating 200% shear strain. The design methods, based on assuming linear viscous damping for the damper, has been developed. The designed values such as stiffness and damping coefficient of the damper agree well with the experimental results. (author)

1993-08-15

325

A laser reflector for multi-bunch gamma conversions in a {gamma}{gamma} collider

A voice activated garage door opener was designed for a handicapped person to open a garage door without assistance. This design uses speech recognition of one word. The activating word that was chosen is "up". The frequency spectrum of "up" was captured on a soundboard and is the basis of this design. Filters are used to pick out three frequency bands in this spectrum. The output signals from these filters are then compared to three threshold voltages using voltage comparators. If the output signals from the filters are above the threshold voltages, the comparators go high. Monostable multivibrators are used on the output of the comparators to lengthen the high pulses. When all of the pulses from the monostable multivibrators are high at the same time, an AND gate output goes high. This high pulse activates the door opener. PMID:8329601

1993-01-01

326

A laser reflector for multi-bunch gamma conversions in a #gamma##gamma# collider

One of the main challenges for a high energy {gamma}{gamma} collider is the high repetition rate required for the laser-electron-beam collisions to convert into high energy gamma beams. State-of-the-art, high power lasers have a much lower repetition rate than that of the electron pulses. It is therefore highly desirable that the same laser pulse can be reused. As an example, for NLC where beams collide at 120 Hz, within each collision cycle there are 90 electron bunches separated by 1.4 ns between successive bunches. We show, by invoking a recently invented laser optical box, that the laser pulses can be reused for the entire train of bunches within each collision cycle. ((orig.)).

1995-02-01

327

Ultra high field magnetic resonance imaging

One of the main challenges for a high energy #gamma##gamma# collider is the high repetition rate required for the laser-electron-beam collisions to convert into high energy gamma beams. State-of-the-art, high power lasers have a much lower repetition rate than that of the electron pulses. It is therefore highly desirable that the same laser pulse can be reused. As an example, for NLC where beams collide at 120 Hz, within each collision cycle there are 90 electron bunches separated by 1.4 ns between successive bunches. We show, by invoking a recently invented laser optical box, that the laser pulses can be reused for the entire train of bunches within each collision cycle. ((orig.)).

328

Technology application for processing highly viscous liquid in polymer plants

Understanding human brain function, brain development and brain dysfunction is one of the great challenges of the twenty first century. Biomedical imaging has now run up against a number of technical constraints that are exposing limits to its potential. In order to overcome the current limits to high-field magnetic resonance cerebral imaging (MRI) and unleash its fullest potential, the Cea has built NeuroSpin, an ultra-high-field neuroimaging facility at its Saclay centre (in the Essonne). NeuroSpin already boasts three fully operational MRI systems. The first is a 3-tesla high-field system and the second is a very-high-field 7-tesla system, both of which are dedicated to clinical studies and investigations in humans, while the third is an ultra-high-field 17.65-tesla system designed for studies on small animals. In 2011, NeuroSpin will be commissioning an 11.7-tesla ...

329

Pitting corrosion resistance of high-alloy OCTG in CO_2 environment as affected by chlorides and sulfides

This paper introduces recent instances of polymerizers for highly viscous liquid needed in the field of synthetic resin and synthetic fiber. A horizontal twin-shaft type polymerizer has two horizontally rotating shafts with stirring blades of spectacle-shaped type, which are arranged at a 90 [degree] phase difference. As they rotate, they scrape highly viscous liquid sticking to the surface inside the polymerizer and on the rotating shafts. This polymerizer is capable of processing highly viscous liquid up to about 2000 Pa[center dot]s. A lattice-type twisting blade polymerizer is a vertical-type reactor and features a special stirring blade capable of stirring highly viscous liquid up to 5000 Pa[center dot]s This polymerizer has no central rotating shaft so that highly viscous liquid does not stick on it. A sloped blade-type thin-film evaporator has spiral blades in the ...

1993-01-01

330

Large scale steam valve test: Performance testing of large butterfly valves and full scale high flowrate steam testing

High general corrosion resistance of high-alloy OCTG (oil country tubular goods) to CO_2 may be limited by pitting corrosion in presence of chlorides and sulfides. The pitting resistance of 13% Cr steel, duplex and high Ni austenitic stainless steels have been examined by electrochemical measurements in a high temperature, high pressure autoclave simulating the well conditions. Each steel shows the pitting potential in CO_2-NaCl-H_2O system, the value of which being less noble as the Cl"- concentration and the temperature increase. The presence of H_2S is also detrimental. High alloying additions of Cr and Mo enhance pitting resistance whether or not H_2S is present. The corrosion potentials of these steels in the simulating well conditions in which oxygen is absent do not exceed the pitting potential. Therefore, pitting corrosion can not occur by the passivity ...

331

High-energy cosmic-ray nuclei from high- and low-luminosity gamma-ray bursts and implications for multi-messenger astronomy

This report presents the results of the design testing of large (36-inch diameter) butterfly valves under high flow conditions. The two butterfly valves were pneumatically operated air-open, air-shut valves (termed valves 1 and 2). These butterfly valves were redesigned to improve their ability to function under high flow conditions. Concern was raised regarding the ability of the butterfly valves to function as required with high flow-induced torque imposed on the valve discs during high steam flow conditions. High flow testing was required to address the flow-induced torque concerns. The valve testing was done using a heavily instrumented piping system. This test program was called the Large Scale Steam Valve Test (LSSVT). The LSSVT program demonstrated that the redesigned valves operated satisfactorily under high flow conditions.

1995-05-01

332

Electrolyte for high voltage Li/LiMn{sub 1.9}Co{sub 0.1}O{sub 4} cells

Gamma-ray burst (GRB) is one of the candidates of high-energy cosmic-ray acceleration sites. They may be also ultra-high-energy (above 3 EeV) cosmic-ray (UHECR) sources. In this paper, we discuss possibilities and implications of high-energy cosmic-ray acceleration in GRBs. (1) First, we show that not only protons but also heavier nuclei can be accelerated up to ultra-high energies in both usual high-luminosity (HL) and low-luminosity (LL) GRBs by using the Geant4. LL GRBs may also make a significant contribution to the observed UHECR flux if they form a distinct population, and we investigate cosmic-ray acceleration in LL GRBs in detail. (2) Second, we discuss implications of the GRB-UHECR hypothesis (and Hypernova-UHECR hypothesis) to cosmic-ray astronomy. HL GRBs and LL GRBs will lead to different source number densities as UHECR sources, so that the determination of the number ...

2008-01-01

333

Control rod ejection accident analysis for the high burnup fuel in Daya Bay NPS

An electrolyte for high voltage lithium metal anode cells must simultaneously satisfy at least the following requirements; (i) high cycling efficiency on the lithium metal anode; (ii) higher oxidation potential than the charging voltage, and (iii) high specific conductivity. We have examined various electrolytes for lithium metal anode cells using a high voltage cathode, LiMn{sub 1.9}Co{sub 0.1}O{sub 4}. Of the electrolytes resistant to high voltage that we used, a system containing 60 to 90 vol.% of dimethyl carbonate (DMC) mixed with ethylene carbonate (EC) and 1.0 M lithium hexafluorophosphate (LiPF{sub 6}) provided the best cycling efficiency on a lithium metal anode, as well as a high specific conductivity around 10 mS cm{sup -1} at 20 C. (orig.)

1997-10-01

334

Prolactin and testosterone affect seasonal differences in male meadow vole, microtus pennsylvanicus, odor preferences for female conspecifics.

A lot of recent experimental results show that cladding failure limits to the RCCA ejection accident will be changed because of the impact of the high irradiation on the fuel rod behavior in the reactor. The maximal assembly discharge burnup in Daya Bay unit 1 and 2 will reach up to 52 GMd/tU with 18 month fuel cycle. It is necessary to perform the specific RCCA ejection accident analysis for the high burnup fuel assembly in order to evaluate the maximal enthalpy in the fuel rods. There is no definite design limit of maximal enthalpy for high burnup assembly during the RCCA ejection accident. One could perform the rod ejection accident analysis for the high burnup assemblies and compare the analytical results with the specific experimental results. The RCCA ejection accident analysis for the high burnup assemblies for Daya Bay NPS has been performed based on the conventional ...

2004-10-04

335

High angle conveyors for surface mining in the 90s

Studies on nonseasonally breeding males have demonstrated that high titers of testosterone (T) stimulate reproduction, whereas high titers of prolactin (PRL) inhibit it. Recent evidence, however, suggests that for seasonally breeding males high titers of both PRL and T stimulate behaviors that support reproduction and mating. Thus, we hypothesized that high titers of both PRL and T are necessary and sufficient for male meadow voles to show a preference for the odor of long-photoperiod (LP) females. We tested this hypothesis by treating castrated LP males with bromocriptine and/or T, and by treating castrated short-photoperiod (SP) males with PRL and/or T. The data showed that high titers of both PRL and T are necessary for LP male meadow voles to maintain a preference for the odor of LP female meadow voles, but high titers of both hormones are not sufficient to ...

336

White oils for high voltage cables

High angle conveyor systems in open pit mining offer many advantages over the traditional, truck only, haulage systems, including: (1) superior energy efficiency (2) less dependency on petroleum products (3) less sensitivity to inflation (4) less labour (5) less excavation for the amount of ore recovered, and (6) less ramp construction and maintenance costs. This paper presents the sandwich belt high angle conveyor as the vital link to optimisation of inpit conveying systems. High angle conveyor development to date is discussed, beginning with studies in 1979, to the first large scale prototype in 1983, through the numerous commercial installations. Discussion continues with the high angle conveyor systems to suit the various open pit mining operations and the corresponding characteristics of the system components, particularly the high angle conveyor. The range of ...

1991-04-01

337

The potential of III-V semiconductors as terrestrial photovoltaic devices

''S-220'' white oil is used currently to impregnate and fill high voltage cables for 110-500 kilovolts; it has high electrical characteristics and meets production and use standards. High pressure and cooling problems, however, require filling cables with lower viscosity oils, while insulation needs still demand high viscosity. The authors developed a new white oil similar to S-220 using a neutral oil made in producing sulfonate additives. The process involved vacuum distillation, low-temperature paraffination, sulfation with oleum, neutralizing with ammonium hydroxide and simultaneous extraction of sulfo-salts and contact purification. The lowest content of aromatic hydrocarbons was sought. Dielectric qualities varied with viscosity. Satisfactory thermooxidational capability was found at 50/sup 0/C with an oil of no less than 50 mm/sup 2//sec viscosity. The final ...

1982-10-01

338

Research and development program on solar thermal use in the high temperature range. Forschungs- und Entwicklungsprogramm zur solarthermischen Nutzung im Hochtemperaturbereich

III-V semiconductors, GaAs and in particular InGaP, are used in many different electronic applications, such as high power and high frequency devices, laser diodes and high brightness LED. Their direct bandgap and high reliability make them ideal candidates for the realisation of high efficiency solar cells: in the past years they have been successfully used as power sources for satellites in space, where they are able to produce electricity from sunlight with an overall efficiency of around 30%. Nowadays, the use of arsenides and phosphides as photovoltaic (PV) devices is confined only to space applications since their price is much higher than conventional Si flat panel modules, the leading PV market technology. But with the introduction of multijunction solar cells capable of operating in high concentration solar light, the area and, therefore, the cost of ...

2006-07-01

339

Railgun. Challenge to ultra-high speed; Railgun. Chokosoku eno chosen

In the context of the research project, the physical basis of the direct decoupling of highly concentrated solar radiation in materials without the detour via absorbing heat exchanger walls was examined. Also, the first chemical processes suitable for the effective long-term storage of solar energy were analysed, relevant experiments were carried out and the necessary receiver techniques for high temperature applications were provided. The principle of direct coupling was examined on fluidized beds on the one hand and on cavity receivers, on the other hand. The contribution shows the results achieved in detail. It is recorded that first processes for storing solar energy in chemical reactions were able to be examined. Alkaline earth hydroxides accommodated in ceramic honeycomb structures seem to be possible as stores for medium temperature ranges around 500deg C. Investigations on receiver structure materials are also making progress. ...

1988-03-01

340

Promising materials for HTGR high temperature heat exchangers

A railgun has an armature driven between two rail-like conductors. In other words, it is a linear drive device system that drives airframes by using the Lorentz`s force. The system is expected as a next-generation high-speed transport means, or as a means to create such ultimate fields as ultra-high pressures, ultra-high temperatures, and ultra-ferromagnetic fields. This paper is a report on investigations on the relevant technological trends as surveyed by the investigation committee at the Institute of Electrical Engineers of Japan using research reports published inside and outside the country. The reported themes cover explanations from the construction to the pulse power supply that forms the core of the technology, problems in switching, recent status of research and development, and to application fields. Compatibility in the high-level electrical and mechanical performances demanded in the ...

1995-09-12

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341

Oxygen stabilization induced enhancement in superconducting characteristics of high-Tc oxides

The service conditions for high-temperature heat-exchangers with helium coolant of HTGRs and requirements imposed on materials for their production are discussed. The choice of nickel-base alloys with solid-solution hardening for long-term service at high temperatures is grounded. Results of study on properties and structure of types Ni-25Cr-5W-5Mo and Ni-20Cr-20W alloy in the temperature range of 900 deg. - 1,000 deg. C are given. The ageing of Ni-25Cr-5W-5Mo alloy at 900 deg. - 950 deg. C results in decreased corrosion-mechanical properties and is caused by the change of structural metal stability. Alloy with 20% tungsten retains a high stability of both structure and properties after prolonged exposure in helium at above temperatures. The alloy has also increased resistance to delayed fracture and low-cycle fatigue at high temperatures. The developed alloy of type Ni-20Cr-20W with microalloying is ...

1989-06-01

342

Improved primary water chemistry control of PWR plant in Japan

In an attempt to enhance the electrical and mechanical properties of the high temperature superconducting oxides, high T(sub c) composites were prepared composed of the 123 compounds and AgO. The presence of extra oxygen due to the decomposition of AgO at high temperature is found to stabilize the superconducting 123 phase. Ag is found to serve as clean flux for grain growth and precipitates as pinning center. Consequently, almost two orders of magnitude enhancement in critical current densities were also observed in these composites. In addition, these composites also show much improvement in workability and shape formation. On the other hand, proper oxygen treatment of Y5Ba6Cu11Oy was found to possibly stabilize superconducting phase with T(sub c) near 250 K. I-V, ac susceptibility, and electrical resistivity measurements indicate the existence of this ultra high T(sub c) phase in this compound. ...

1991-01-01

343

Highly Porous, Water-Soluble, Superparamagnetic, and Biocompatible Magnetite Nanocrystal Clusters for Targeted Drug Delivery.

Elevated pH operation to the pH value of 7.3 at 285degC is known to be effective for the reduction of radiation source in the primary water system of PWRs. A research project was started in 1989 and concluded in 1996 to study and verify the optimum pH and/or Li concentration from the viewpoint of radiation source reduction and materials integrity under improved water chemistry. This research project is sponsored by the Ministry of International Trade and Industries (MITI) in Japan and has two programs; high pH and high Li. The high Li program was conducted to establish the optimum Li concentration for the high boron concentration region (1100 - 1800 ppm) of the high burn up operation. In this paper, we shall discuss radiation source behavior under high pH conditions and PWSCC (Primary Water Stress Corrosion Cracking) susceptibility of materials with change of ...

1998-04-01

344

GaInP high-power lasers; GaInP Hochleistungslaser

Magnetic particles have become very promising materials for drug delivery. However, preparation of magnetite particles with high surface area, biocompatibility, strong magnetic response, and suitable particle size still remains a major challenge. In this report, magnetite nanocrystal clusters with high surface areas were fabricated through a solvothermal process by introducing ammonium acetate as a porogen and trisodium citrate as a surface modification agent. The porosity, which was controlled by the reactant concentration, has been investigated in detail. The surface area of the nanocrystal clusters was as high as 141?m(2) g(-1) . Ibuprofen, as a model drug, was entrapped into the magnetite carriers. The interfacial interaction between the carboxylic groups on the drug molecules and the carboxylate groups on the carriers enhanced the loading efficiency. Low cytotoxicity in MCF-7 cell and in vitro constant drug release ...

2011-09-27

345

The following work deals with the realization, characterization and modeling of GaInP / AlGaInP high power semiconductor laser diodes in the visible wavelength range. In addition to the exploration and optimization of efficiency, temperature stability and maximum output power of multi-mode lasers especially methods for longitudinal and lateral mode stabilization of high power laser diodes have been investigated. Although often the focus of optimization is on the threshold current density, in this work the performance of the laser diode for an operation point around 1 Watt under continous wave operation is regarded as the figure of merit. It turns out that low carrier densities are key for an efficient reduction of the heterobarrier leakage currents. In addition, large optical cavity structures with low internal losses enable high external quantum efficiencies even for long cavities. Finally high laser ...

2002-07-01

346

GaInP high-power lasers

From high enriched to low enriched uranium fuel in research reactors

The following work deals with the realization, characterization and modeling of GaInP / AlGaInP high power semiconductor laser diodes in the visible wavelength range. In addition to the exploration and optimization of efficiency, temperature stability and maximum output power of multi-mode lasers especially methods for longitudinal and lateral mode stabilization of high power laser diodes have been investigated. Although often the focus of optimization is on the threshold current density, in this work the performance of the laser diode for an operation point around 1 Watt under continous wave operation is regarded as the figure of merit. It turns out that low carrier densities are key for an efficient reduction of the heterobarrier leakage currents. In addition, large optical cavity structures with low internal losses enable high external quantum efficiencies even for long cavities. Finally high laser ...

347

Elevated temperature mechanical properties of fire resistant steel for building structural use. Kenchiku kozoyo taika kozai no koon kyodo tokusei

Since the 1970's, global efforts have been going on to replace the high-enriched (>90% "2"3"5U), low-density UAlx research reactor fuel with high-density, low enriched (<20% "2"3"5U) replacements. This search is driven by the attempt to reduce the civil use of high-enriched material because of proliferation risks and terrorist threats. American initiatives, such as the Global Threat Reduction Initiative (GTRI) and the Reduced Enrichment for Research and Test Reactors (RERTR) program have triggered the development of reliable low-enriched fuel types for these reactors, which can replace the high enriched ones without loss of performance. Most success has presently been obtained with U_3Si_2 dispersion fuel, which is currently used in many research reactors in the world. However, efforts to search for a replacement with even higher density, which will also allow the conversion of some ...

348

Effect of prolactin on the attractiveness of male odors to females in meadow voles: independent and additive effects with testosterone.

This paper describes the test results on high-temperature strength properties of fire resistant steel(FR steel) for building, the formulation, and the examples of application to member tests and actual buildings. Because of its components and manufacturing method, FR steel excels in strength at elevated temperature due to precipitation and dispersion strengthening. Tests on high temperature properties of FR steel showed that every property such as strength, stress-strain curve, elastic modulus, and creep performance at high temperature was superior to those of conventional steels. Then, it was confirmed in the tensile tests at room temperature and high temperature after heat history that FR steel could be reused after fire. It was also found in the member tests that columns and beams of FR steel could support loadings equivalent to long-term allowable unit stress until the temperature rose up to 600 ...

1991-09-30

349

Comparison of the quality of the chest film between digital radiography and conventional high kV radiography

This study investigated the roles of testosterone and prolactin in seasonal changes in the attractiveness of odors of male meadow voles to long-photoperiod females. Prolactin was reduced in long-photoperiod males by treatment with bromocryptine (Experiment 1) and increased in short-photoperiod males by replacement with ovine prolactin (Experiment 2). Testosterone was manipulated by castration and testosterone replacement. During long photoperiods, the attractiveness of the odor produced by male meadow voles depends on the circulating titers of both prolactin and testosterone. Males with high titers of both hormones produced scents that were highly attractive to females; those with low titers of both hormones produced unattractive scents. When the concentration of one hormone was high and the other low, long-photoperiod males produced scents of intermediate attractiveness. During short photoperiods, the attractiveness of the ...

1997-02-01

350

Cold SQUIDs and hot samples

Objective: To evaluate the quality and usefulness of direct digital radiography system in roentgenogram of chest in clinical practice. Methods: 1000 cases of chest roentgenograms with digital radiography and high kV conventional radiography were selected for analysis by 3 senior radiologists. Results: 1. With digital radiography system, the quality of chest film was assessed as grade A in 50.6%, grade B in 38.5%, grade C in 10.9%, and no waste film. 2. With conventional high kV radiography, the quality of chest film was assessed as grade A in 41.1%, grade B in 44.1%, grade C in 13.3%, and waste film in 1.5%. The direct digital radiography was statistically superior to the conventional high kV radiography. 3. The fine structure of the lungs could be revealed in 100.0% of chest roentgenogram with direct digital radiograph system, which was significantly higher than that acquired with the conventional high ...

2003-02-01

351

Advanced nanoscale separations and mass spectrometry for sensitive high-throughput proteomics

Low transition temperature (low-{Tc}) and high-{Tc} Superconducting QUantum Interference Devices (SQUIDs) have been used to perform high-resolution magnetic measurements on samples whose temperatures are much higher than the operating temperatures of the devices. Part 1 of this work focuses on measurements of the rigidity of flux vortices in high-{Tc} superconductors using two low-{Tc} SQUIDs, one on either side of a thermally-insulated sample. The correlation between the signals of the SQUIDs is a direct measure of the extent of correlation between the movements of opposite ends of vortices. These measurements were conducted under the previously-unexplored experimental conditions of nominally-zero applied magnetic field, such that vortex-vortex interactions were unimportant, and with zero external current. At specific temperatures, the authors observed highly-correlated noise sources, suggesting that ...

1997-05-01

352

Wood-plastic composites with high toughness and dimensional stability

We review recent development in separations and mass spectrometric instrumentation for sensitive and high-throughput proteomic analyses. These efforts have been primarily focused on the development of high-efficiency (separation peak capacity of ~103) nanoscale liquid chromatography (nanoLC; e.g., flow rates extending down to ~20 nL/min at optimal separation linear velocities through narrow packed capillaries) in combination with advanced mass spectrometry (MS), including high sensitivity and high resolution Fourier transform ion cyclotron resonance (FTICR) MS. This technology enables MS analysis of low nanogram-level proteomic samples (i.e., nanoscale proteomics) with individual protein identification sensitivity at the low zeptomole-level. The resultant protein measurement dynamic range can reach 106 for nanogram-sized proteomic samples, while more abundant proteins can be detected from complex ...

2005-06-01

353

Tubular packs Mo-AlN-Mo: long-term thermal and corrosion resistance

Using acrylic-group containing isocyanates together with methyl methacrylate as impregnating mixture and gamma rays for curing wood-plastic composites have been produced, which show high-dimensional stability and toughness (low brittleness) compared to commonly used wood-plastics. The syntheses of proper acrylic-group containing isocyanates are as well described as the properties of the produced composites, made from maple wood. Also the direct use of the initial compounds, necessary for the syntheses, resulted in products of similar properties. These wood-plastic composites are to be suggested for the production of high-class products, e.g. wood-wind instruments. (author).

1982-10-01

354

Transmutation of {sup 241}Am in a high thermal neutron flux

Study results on long-term thermal and corrosion resistance of packs with electro-insulation layer of aluminium nitride are presented. Structural changes of nitride ceramics and contact zones between metal and ceramics are considered. It is shown that multilayer metallo-ceramic packs, manufactured by gas-phase technology have high electro- and thermophysical properties, high thermal and corrosion resistance relative to cesium vapor, vacuum density as well as high thermo-resistance. 8 refs., 4 figs.

355

Transmutation of "2"4"1Am in a high thermal neutron flux

Amongst the minor actinides issued from the spent nuclear fuel, {sup 241}Am is present in high concentration and contributes significantly to the long-term radiotoxicity of nuclear waste. A major uncertainty was present in the transmutation chain of {sup 241}Am when irradiated by a high intensity thermal neutron flux. This uncertainty was brought about by the poor knowledge of the {sup 242gs}Am neutron capture cross section. A dedicated experiment has been performed at the Institut Laue-Langevin in Grenoble, which gives a definitive experimental answer to this problem.

1998-10-26

356

The viscoelastic composite with interface debonding

Amongst the minor actinides issued from the spent nuclear fuel, "2"4"1Am is present in high concentration and contributes significantly to the long-term radiotoxicity of nuclear waste. A major uncertainty was present in the transmutation chain of "2"4"1Am when irradiated by a high intensity thermal neutron flux. This uncertainty was brought about by the poor knowledge of the "2"4"2"g"sAm neutron capture cross section. A dedicated experiment has been performed at the Institut Laue-Langevin in Grenoble, which gives a definitive experimental answer to this problem.

1998-10-26

357

British Library Electronic Table of Contents (United Kingdom)

The effect of particle/matrix interface debonding on composites consisting of elastic particles and viscoelastic matrix is studied. The interface debonding is represented by a nonlinear cohesive law for the high explosive PBX 9501. The Mori-Tanaka method gives the constitutive relation of the composite in terms of the properties of elastic particles, viscoelastic matrix, and nonlinear cohesive law for interfaces. For the example of a composite with spherical particles subject to hydrostatic tension, simple analytical expressions of the composite stress-strain relation are obtained. The strain rate and temperature have strong effects on the composite behavior. High strain rate and low temperature give high strength of the composite. However, the rate and temperature effects decrease as the ...

2008-01-01

358

The teaching of high energy physics in British universities

The study of thermal characteristics of high temperature oven for atomic spectroscopy

An analysis is given of a survey of the teaching of high energy physics in British universities. The subject changes quickly, and there is a continual conflict between new and old material. Different courses may deal with this in different ways. To find out what is actually being taught to students, details were obtained from all 50 university physics departments in the United Kingdom (UK) by means of a questionnaire. This covered the course structure - whether it was optional or compulsory or contained both elements - the number of lectures given, and the topics covered in the syllabus. The replies give a comprehensive picture of the state of undergraduate teaching of high energy physics in the UK. (Author).

1992-05-01

359

The Politics of High-Stakes Testing

We present a high temperature heat oven with merits of conventional heat pipe oven and study ots thermal characteristics. The oven consists of stainless steel body and heating part of three layers of ceramic tubes. We obtained the maximum temperature of about 1350. deg. C at the center which was measured by thermocouple and infrared thermometer. And we compared the heating characteristics in the cases of external heating and no extent heating. It was applied to self diffraction experiment in the samarium gas which was one of the high melting point material.

1997-11-01

360

The High-Redshift Neutral Hydrogen Signature of an Anisotropic Matter Power Spectrum

A troubling reality in today's political climate is that many political leaders actually believe that the best way to change schools is through an "end of a gun barrel" approach, rather than by building consensus. In this article, the author examines the reality of high-stakes testing from several perspectives, including the politics of coercion, politics of performance, and the politics of perception. The author discusses that high-stakes testing is a politically charged issue that has had a tremendous impact on the way schools operate; however, teachers must not be afraid to keep their perspective and must encourage a healthy, honest dialogue about the role of testing and engage in political debate.

2005-02-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

361

The ANL X6B beamline at NSLS: A versatile facility

An anisotropic power spectrum will have a clear signature in the 21cm radiation from high- redshift hydrogen. We calculate the expected power spectrum of the intensity fluctuations in neutral hydrogen from before the epoch of reionization, and predict the accuracy to which future experiments could constrain a quadrupole anisotropy in the power spectrum. We find that the Square Kilometer Array will have marginal detection abilities for this signal at z~17 if the process of reionization has not yet started; reionization could enhance the detectability substantially. Pushing to higher redshifts and higher sensitivity will allow highly precise (percent level) measurements of anisotropy.

2011-01-01

362

Synthesis of high specific activity tritium labelled [2-{sup 3}H]-adenosine-5`-triphosphate

We have described the x-ray optics and beamline performance of the ANL X6B beam line at the NSLS. Considerable flexibility has been built into the beam line to accommodate a wide range of x-ray diffraction, scattering, and spectroscopy experiments with various requirements. We presented selected examples of experimental results and showed that with the high intensity, high energy resolution, high-q resolution, and energy tunability, the X6B beam line has become a versatile facility.

1994-07-01

363

Study on high-resolution sequence stratigraphy framework of uranium-hosting rock series in Qianjiadian sag

A procedure for high level tritium labelling at the C2-H position of adenosine 5`-triphosphate ([2-{sup 3}H]-ATP, 1), based on the tritiodehalogenation reaction of 2-bromoadenosine 5`-triphosphate (2) has been elaborated. This precursor was prepared in a six-step synthesis from guanosine. The tritiodehalogenation of (2) for three hours over palladium oxide in phosphate buffer yielded tritium labelled ATP with high specific activity, in good chemical yield. (author).

1996-08-01

364

Stability of model recycled mixed plastic waste compatibilised with a cooperative compatibilisation system

The ore-hosting Yaojia Formation is composed of a set of braided stream medium-fine grained sediments. Guided by the basic theory of high-resolution sequence stratigraphy, and based on the core observation, the analysis of chemical composition of rocks, and data of natural potential logging and apparent resistivity logging, the authors have set up the high-resolution sequence stratigraphy framework of the ore-hosting Yaojia Formation, and discussed the relation of the stratigraphic structure of the middle cycle, as well as the paleotopography, the micro-facies to the formation of uranium deposit. (authors)

2005-07-01

365

British Library Electronic Table of Contents (United Kingdom)

The effect of the degree of degradation of the components of a model municipal plastic waste (a mixture of low-density polyethylene, high-density polyethylene, polypropylene and high-impact polystyrene) on the toughness and stability of recyclates compatibilised with a cooperative compatibilisation system (a mixture of ethylene-propylene statistical and styrene-butadiene block copolymers with a secondary amine-based stabiliser) was studied. It was shown that good impact strength was achieved for recyclates having components with a low or medium degree of degradation. Mechanical properties of recyclates having the components with a high degree of degradation are deteriorated. The addition of the cooperative compatibilisation system leads to a higher thermo-oxidative stability of recyclates ...

2011-01-01

366

Sol-gel approaches for solid electrolytes and electrode materials. Technical report

Shot-noise-limited measurement of sub-parts-per-trillion birefringence phase shift in a high-finesse cavity

Sol-gel chemistry has a great many potential applications in the preparation of unique electrochemical materials, from non-equilibrium transition metal oxides which may be of use as high energy density electrodes, to high-surface area mixed oxides which may possess high proton conductivity, to novel composite structures consisting of inorganic gels in combination with organic, electronic, and ionic conductors. This paper reviews prior work on proton conduction in gel systems and presents recent work regarding electrode materials prepared by sol-gel methods and inorganic-organic materials.

1995-07-14

367

Self-seeded injection-locked FEL amplifier

We report on a promising approach to high-sensitivity anisotropy measurements using a high-finesse cavity locked by optical feedback to a diode laser. We provide a simple and effective way to decouple the weak anisotropy of interest from the inherent mirror's birefringence whose drift may be identified as the key limiting parameter in cavity-based techniques. We demonstrate a shot-noise-limited phase shift resolution previously inaccessible in an optical cavity, readily achieving the state-of-the-art level of 3x10"-"1"3 rad.

2010-09-01

368

Selective extraction of U(VI) and some other metals from nitric acid media by poly-phosphine poly-oxides

A self-seeded free electron laser (FEL) provides a high gain and extraction efficiency for the emitted light. An accelerator outputs a beam of electron pulses to a permanent magnet wiggler having an input end for receiving the electron pulses and an output end for outputting light and the electron pulses. An optical feedback loop collects low power light in a small signal gain regime at the output end of said wiggler and returns the low power light to the input end of the wiggler while outputting high power light in a high signal gain regime.

1998-12-01

369

Secondary hazards of high power laser beam welding

For the selective extraction of radionuclides from nitrate media, the extractabilities of organo-poly-phosphine poly-oxides were examined in the form of impregnated resins. It was found that the extractability of 1,1,3,5,5-pentaphenyl-1,3,5-tri-phospha-pentane trioxide (PPTPT) for U(VI) is quite unusual with very high values at both low and high concentrations of nitric acid, which is not observed for other types of extractants. Thus, this extractant might be promising for the selective extraction of U(VI) in very high concentrations of HNO3. (authors)

2008-09-15

370

Response of a magneto-rheological fluid damper subjected to periodic forcing in a high frequency limit

Hazardous UV-radiation and short-wavelength visible (blue) light is emitted by the high temperature plasma above the welding-keyhole. Ozone and NO_x is produced due to UV-induced photodissociation of oxygen and high temperature gas-phase reactions. Spectral measurements of the plasma emission show that the allowed dose for UV-radiation and blue light exposure per work day can be exceeded in as short as a few seconds. Similarly, measurements and models of the ozone and NO_x concentration show that the maximum workplace concentrations might be reached quickly if no appropriate exhaust and filter system is installed. (author)

1996-01-01

371

British Library Electronic Table of Contents (United Kingdom)

We have explored vibrations of a single-degree of freedom oscillator with a magneto-rheological damper subjected to kinematic excitations in a high frequency limit. Using fast and slow scales decoupling procedure we derived an effective damping coefficient in the limit of high frequency excitation. Damping characteristics, as functions of velocity, change considerably especially by terminating the singular non-smoothness points. This effect was more transparent for a larger control parameter which was defined as the product of the excitation amplitude and its frequency.

2008-01-01

372

Reflection of electromagnetic waves by a nonuniform plasma layer covering a metal surface

RAPID DAMAGE ASSESSMENT FROM HIGH RESOLUTION IMAGERY

Reflection coefficients of electromagnetic waves in a nonuniform plasma layer with electrons, positive ions and negative ions, covering a metal surface are investigated by using the finite-difference-time-domain method. It is shown that the reflection coefficients are influenced greatly by the density gradient on the layer edge, layer thickness and electron proportion, i.e., the effect of the negative ions. It is also found that low reflection or high attenuation can be reached by properly choosing high electron proportion, thick plasma layer, and smooth density gradient in the low frequency regime, but sharp density gradient in the high frequency regime. (authors)

2008-07-01

373

Processing and properties of novel high strength {gamma}-TiAl

Disaster impact modeling and analysis uses huge volumes of image data that are produced immediately following a natural or an anthropogenic disaster event. Rapid damage assessment is the key to time critical decision support in disaster management to better utilize available response resources and accelerate recovery and relief efforts. But exploiting huge volumes of high resolution image data for identifying damaged areas with robust consistency in near real time is a challenging task. In this paper, we present an automated image analysis technique to identify areas of structural damage from high resolution optical satellite data using features based on image content.

2008-07-01

374

Photochemical reactions of surface ozone

Extrusion and subsequent heat treatment of the alloys investigated can lead to reasonable room temperature ductilities and very high strengths being developed compared to the cast + HlPed material. In Ti-45Al-10Nb reasonably room temperature fracture toughness was developed which did not depend on extrusion temperature. For the alloy Ti-48Al-2Cr-0.2C a previously developed solution and ageing heat treatment did not increase the high temperature strength properties when compared to the 'annealed' condition. (orig.)

2000-07-01

375

Nuclear material accountability by isotope dilution mass spectrometry

Efforts has been made to specify surface ozone production in photochemical reaction due to the high concentration of NO_x and photon rays. The secondary reactions has been considered via optical measurements using actinometry and pyranometry which was followed for photochemical reactions at high temperature and because of air pollutants due to the traffic load and because of the inversion in certain days. The concentration of surface ozone which was measured in Tehran city center was in the range of 24- 45 ppb in 1991-1992 and a higher concentration of 45-65 ppb was measured in 1999-2000. This high surface ozone concentration could cause a severe damage to biota, fauna and human health.

2003-01-01

376

Nb_3Al: paradigm for high T/sub c/ superconductors

This paper discusses the mass spectrometric system that has been developed at the ICPP (Idaho Chemical Processing Plant) to meet the multiple constraints of U accountability, high sample load, and plant process control. The measurement system must produce high-quality accountability results while maintaining high sample throughput and reasonable turnaround time. The mass spectrometric system that has evolved to meet these demands includes extensive operator training, routine quality control checks, and continuing review of performance. 7 refs.

1981-07-13

377

Mechanism of dehydroxylation of naturally occurring high-silica zeolites involving the formation of Lewis acid sites

The A-15 compounds with the highest critical temperatures and critical fields are stable only at high temperatures and sometimes are not stable at any temperature. Fabrication of such materials thus necessarily involves the creation and manipulation of metastable phases. It follows that the bronze matrix technique now under development for Nb_3Sn- and V_3Ga-based composite superconductors is not suitable for high-T/sub c/ materials of the Nb_3 (Al, Ge, Ga, Si) family. Alternative technologies will be necessary for such materials. Efforts to develop suitable alternatives, using Nb_3Al, are described.

378

Iron catalyzed hydrogenation of high sulphur content coals

Using low-temperature adsorbed dihydrogen and carbon monoxide as molecular probes, the dehydroxylation of the hydrogen forms of the zeolites Y, and ZSM-5 has been studied. The high stability of the high-silica zeolites to dealumination and their difference from faujasites has been established as being due not only to the strength of their Broensted acid sites but also to the nature of their Lewis acid sites. The chemical properties of the Lewis acid sites and their possible role in catalytic reactions are discussed.

1987-11-01

379

Innovation in Scholarly Communication Vision and Projects from High-Energy Physics

Four high-sulphur low-rank coals have been treated at hydrogenation conditions with three iron-based catalyst precursors: Red Mud (Fe[sub 2]O[sub 3]), iron sulphide and iron pentacarbonyl. The obtained yields show a dependence with the sulphur content of the coals; the organic sulphur content correlates with the conversion and THF-solubles when Red Mud and iron sulphide are added. In spite of the high hydrogen sulphide partial pressure in the reaction, the addition of other sources of sulphur enhances the percentages in conversion products. 15 refs., 2 figs., 3 tabs.

1993-12-01

380

In-beam #gamma#-ray spectroscopy of fast beams at the NSCL

Having always been at the forefront of information management and open access, High-Energy Physics (HEP) proves to be an ideal test-bed for innovations in scholarly communication including new information and communication technologies. Three selected topics of scholarly communication in High-Energy Physics are presented here: A new open access business model, SCOAP3, a world-wide sponsoring consortium for peer-reviewed HEP literature; the design, development and deployment of an e-infrastructure for information management; and the emerging debate on long-term preservation, re-use and (open) access to HEP data.

2008-01-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

381

Improved four-stage accel-decel production of low energy highly stripped heavy ions

With the development of an array of highly-segmented germanium detectors, it now becomes possible to perform in-flight #gamma#-ray spectroscopy experiments on intermediate energy beams with unprecedented #gamma#-ray energy resolution. Presented in this report are examples of two techniques in which SeGA, the most highly-segmented operational germanium array for in-flight spectroscopy with fast beams, was used for the detection of #gamma# rays. SeGA used in conjunction with a high-resolution magnetic spectrograph (S800) to detect the reaction residues in coincidence represents a powerful combination for in-beam #gamma#-ray studies.

2004-04-05

382

Highly porous thermally structurized polyacrylonitrile. Pt. 2. Electrochemical studies

The two model MP Tandem Van de Graaff accelerators at Brookhaven have been used in a four-stage accel-decel configuration to produce highly stripped low energy heavy ions. The performance in this mode of operation has now been substantially improved by modifications of the second accelerator. The inclined field acceleration tube electrodes at the exit of this accelerator were replaced by straight electrodes, the vacuum was improved and the maximum negative terminal potential was increased. Higher intensity beams of heavier highly stripped ions can now be produced at lower energies than before.

1983-04-01

383

High-power continuous wave 690 nm AlGaInP laser-diode arrays

Electrochemical properties of thermally structurized polyacrylonitrile (TSPAN) have been investigated as a function of the preparation conditions. The best charge storage capacity has been found for highly porous semiconducting materials with specific surface areas of about 1000-1200 m{sup 2}/g and a specific conductivity of 0.1-0.2 S/cm. This material can be both oxidized and reduced with high reversibility, effectivity and cycle life and is suitable for application in various charge storage devices. (orig.).

1992-06-01

384

High temperature crystalline superconductors from crystallized glasses

High-power diode laser arrays emitting at 690 nm have been developed for solid-state laser pumping. The laser diode bars (fill factor [approx]0.7) have been fabricated from single quantum well AlGaInP-based heterostructures. Using silicon microchannel heatsinks, a record high 360 W/cm[sup 2] per emitting aperture is achieved under continuous wave operation.

1995-03-06

385

High efficiency planar MCLEDs

A method of preparing a high temperature superconductor from an amorphous phase. The method involves preparing a starting material of a composition of Bi.sub.2 Sr.sub.2 Ca.sub.3 Cu.sub.4 Ox or Bi.sub.2 Sr.sub.2 Ca.sub.4 Cu.sub.5 Ox, forming an amorphous phase of the composition and heat treating the amorphous phase for particular time and temperature ranges to achieve a single phase high temperature superconductor.

1992-01-01

386

High efficiency USC power plant - present status and future potential

The physics of microcavities have been a subject of intense study over the past 25 years. This work stimulated a large body of experimental and theoretical work on the optimization of the light extraction properties of light-emitting diodes. Not only has this led to the current high efficiency microcavity LEDs but also to the high brightness LEDs based on other approaches, which are presently available on the market. An overview of the state of the art of planar semiconductor microcavity LEDs will be presented. (copyright 2005 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)

2005-09-01

387

Experimental study of beam optics and energy recovery for high-energy electron cooling device

Increasing demand for energy production with low impact on the environment and minimised fuel consumption can be met with high efficient coal fired power plants with advanced steam parameters. An important key to this improvement is the development of high temperature materials with optimised mechanical strength. Based on the results of more than ten years of development a coal fired power plant with an efficiency above 50 % can now be realised. Future developments focus on materials which enable an efficiency of 52-55 %. (orig.) 25 refs.

1998-12-31

388

Environmental concerns for high-voltage transmission lines in UNIPEDE countries

The feasibility of a high-energy electron cooling device has been studied through tests on a prototype of the electron device. The apparatus consists of a pulsed ((20-60) keV, 2#mu#s) electron gun, a drift region 1 m long and of a depressed collector for recovering the electron energy. Tests on beam optics and energy recovery have been performed, a high-energy recovery efficiency has been attained. Experimental results are discussed in this paper.

389

Environmental concerns for high-voltage transmission lines in UNIPEDE countries

High-voltage transmission lines can pose an environmental problem, especially in countries where the electricity production is at a distance from the demand location. Planning, construction, and operation of high voltage transmission lines should be conducted within a comprehensive environmental policy, which may include assessment of visual impact, landscape and wildlife protection, and reduction of health risks. This paper reviews the environmental policies and action in planning, construction, and operation as developed by the utilities members of the Union Internationale des Producteurs et Distributeurs d`Energie Electrique (UNIPEDE). The paper also presents a brief outline of the health issues associated with the effects of electromagnetic fields to humans.

1996-11-01

390

Eccentric conical fastening system

High-voltage transmission lines can pose an environmental problem, especially in countries where the electricity production is at a distance from the demand location. Planning, construction, and operation of high voltage transmission lines should be conducted within a comprehensive environmental policy, which may include assessment of visual impact, landscape and wildlife protection, and reduction of health risks. This paper reviews the environmental policies and action in planning, construction, and operation as developed by the utilities members of the Union Internationale des Producteurs et Distributeurs d'Energie Electrique (UNIPEDE). The paper also presents a brief outline of the health issues associated with the effects of electromagnetic fields to humans.

1996-01-01

391

Dynamics of high-energy nucleus-nucleus collisions

Fastening systems for parts that endure high vibration shear loads have traditionally been difficult or expensive to produce. This application describes a fastening system with multiple conical surfaces and eccentric offsets. The novel conical fastener system allows parts to be assembled with reduced tolerance controls at interface features while improving alignment precision. The eccentric conical fastening system is particularly well suited for assemblies with high shear loads in high vibration/shock environments, and/or for systems that have extremely precise pointing requirements.

2008-11-25

392

Development of high resolution imaging detectors for X-ray astronomy

The authors use a Glauber multiple-collision model to examine the dynamics of nucleus-nucleus collisions. The model introduces a stopping law, which describes how a baryon loses energy in a baryon-baryon collision, and a particle production law, which is based on the baryon energy loss. The model gives results on the longitudinal energy loss which compare well with the recent WA80 experimental data for /sup 16/O on various targets at 60 and 200 GeV per nucleon. The stopping law that is needed to fit the experimental zero-degree spectra reveals that the degree of stopping in these high-energy nuclear collisions is high.

1988-01-01

393

Development of high resolution imaging detectors for X-ray astronomy

High (spatial) resolution imaging detectors for X-ray astronomy were developed. Several prototype detectors built and their feasibility and baseline performance were assessed. Two of these detector types are proposed for investigations on the advanced X-ray astrophysics facility (AXAF). The readiness of a new X-ray imaging system, the charge coupled device (CCD) imaging specctrometer is outlined, and state of the art performance parameters for microchannel plate (MCP) and CCD detectors are measured. Laboratory facilities and procedures for coating MCP are developed general high resolution imagery systems are analyzed.

1985-03-01

394

Design criterion for tubed solar-heated cavity receivers

High (spatial) resolution imaging detectors for X-ray astronomy were developed. Several prototype detectors built and their feasibility and baseline performance were assessed. Two of these detector types are proposed for investigations on the advanced X-ray astrophysics facility (AXAF). The readiness of a new X-ray imaging system, the charge coupled device (CCD) imaging specctrometer is outlined, and state of the art performance parameters for microchannel plate (MCP) and CCD detectors are measured. Laboratory facilities and procedures for coating MCP are developed general high resolution imagery systems are analyzed.

1985-01-01

395

Design criterion for tubed solar-heated cavity receivers

Solar energy can be economically converted into electrical energy for small and medium power outputs. A typical solar power plant consists of a parabolic dish, cavity receiver and gas turbine. To obtain high gas turbine efficiences, the working fluid used has to be heated to high temperatures. This necessitates the use of expensive high-quality materials for the tubes in the receiver. This expense must be kept to a minimum. The present paper demonstrates how this aim can be achieved by meeting the so-called Bammert Criterion.

1986-07-01

396

Demonstration experiment on improved radwaste evaporator

Solar energy can be economically converted into electrical energy for small and medium power outputs. A typical solar power plant consists of a parabolic dish, cavity receiver and gas turbine. To obtain high gas turbine efficiencies, the working fluid used has to be heated to high temperatures. This necessitates the use of expensive high-quality materials for the tubes in the receiver. This expense must be kept to a minimum. The present paper demonstrates how this aim can be achieved by meeting the so-called Bammert Criterion.

1986-01-01

397

Corrosion resistance of modern austenitic-ferritic (duplex) stainless steel. Corrosion of special types. (Review)

High conductivity liquid waste, which is produced in nuclear power plants, is now processed with radwaste evaporator. The concentrated liquid waste in the evaporator is so highly radioactive and corrosive that the improvement on maintenability and reduction of exposure dose rate are desirable as well as high decontamination factor (DF). Fuji Electric constructed the improved experimental facility of evaporator and carried out an experiment to demonstrate DF, maintenability and controllability of system. As the results, DF, maintenability and controllability were proved to be excellent and its applicability to nuclear power plant was well established.

1988-07-01

398

Control device of a high voltage circuit breaker equipped with closing resistors

Recent data on resistance of modern corrosion-resistant austenitic-ferritic steels to different types of corrosion are generalized. It is shown that these steels are characterized by high resistance to general corrosion in acid, alkali, chloride and other solutions, are not inclined to intercrystalline, pitting and crevice corrosion and are noted for high resistance to corrosion cracking and corrosion fatigue. All this is combined with technological and economical effectiveness. It is advisible to use these steels instead of highly-alloyed and expensive steels and alloys in chemical, power and other industries. 59 refs.; 2 tabs.

399

Contribution to the compensation of extra high voltage transmission lines

A high voltage self-blowing circuit breaker with closing resistors is equipped with an auxiliary contact inserted in the trip control circuit of an electrical circuit breaker. The auxiliary contact is actuated by the mechanical control rod of the circuit breaker in such a way as to prevent any operator closing error. A high-speed mechanism is inserted in the link system connecting the control rod and the auxiliary contact, with dead travel to delay closing of the auxiliary contact when a closing operation takes place and to prevent a tripping order from being transmitted too early. Such an early transmission would be liable to cause a flashover on the inserter contacts and damage to the circuit breaker.

1991-02-12

400

Combustion flames of high energy substance

An improved method to design suitable compensating schemes for extra high voltage transmission lines is presented. The technique is general and effective and will greatly facilitate the design of the optimal compensation scheme for extra high voltage transmission lines. The technique is illustrated for a typical 500 kV system. The equations developed here for voltage maxima and minima along the transmission line eliminate the need for point-to-point computation of the voltage profile. The controversy existing in the literature over the problem of making a choice between pi and tee configurations has been removed and it is established with a mathematical proof that the tee configuration requires compensating elements of lower ratings.

1987-04-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

401

Chargino production at high energy {gamma}{gamma} colliders with polarized beams

The currently available propellants achieve about 95% of the combustion performance which can be expected theoretically at this time, consequently a technological breakthrough concerning new propellants have been demanded. Among high energy substances which are being studied, polymer azide which can continue combustion without relying on the oxidation reaction is a typical high energy substance to be used for a propellant of the next generation. The composite propellant which has polymer azide as fuel component and ammonium nitrate as oxidizer is considered to be the extremely promising propellant, since it provides no combution product which causes the environmental destruction. (6 figs, 4 refs)

1988-04-30

402

Chargino production at high energy #gamma##gamma# colliders with polarized beams

We investigate the chargino production process {gamma}{gamma} {yields} (W-tilde){sup +}(W-tilde){sup -} at high energy {gamma}{gamma} colliders in the framework of the minimal supersymmetric standard model (MSSM). Here the high energy {gamma} beams are obtained by the backward Compton scattering of the laser flush by the electron in the basic linear TeV ee colliders. We consider the polarization of the laser photons as well as the electron beams. Appropriate beam polarization could be effective to enhance the cross section to for us extract the signal from the dominant background {gamma}{gamma} {yields} W{sup +}W{sup -}. (author).

1995-05-01

403

Changes in the structure and superconducting transition temperature of A-15 compounds under the effect of high pressure and shear strain

We investigate the chargino production process #gamma##gamma# #-># (W-tilde)"+(W-tilde)"- at high energy #gamma##gamma# colliders in the framework of the minimal supersymmetric standard model (MSSM). Here the high energy #gamma# beams are obtained by the backward Compton scattering of the laser flush by the electron in the basic linear TeV ee colliders. We consider the polarization of the laser photons as well as the electron beams. Appropriate beam polarization could be effective to enhance the cross section to for us extract the signal from the dominant background #gamma##gamma# #-># W"+W"-. (author).

1995-05-01

404

Centroid and Envelope Dynamics of High-intensity Charged Particle Beams in an External Focusing Lattice and Oscillating Wobbler

The study is concerned with the combined effect of high pressure and shear strain on the properties of the A-15 intermetallics Nb3Sn and Nb3Al0.75Ge0.25. The properties discussed are the superconducting transition temperature, the width and intensity of the X-ray diffraction lines, and the width and shape of the Mossbauer absorption lines. It is shown that the combined effect of high pressure and shear strain leads to an intense generation of defects in polycrystalline specimens; the size of the ordered regions does not exceed 300 A even under the least severe conditions. 5 references.

1985-01-01

405

Calculation of the contributions from high-n dielectronic satellites to the K{alpha} resonance line in helium-like iron

The centroid and envelope dynamics of a high-intensity charged particle beam are investigated as a beam smoothing technique to achieve uniform illumination over a suitably chosen region of the target for applications to ion-beam-driven high energy density physics and heavy ion fusion. The motion of the beam centroid projected onto the target follows a smooth pattern to achieve the desired illumination, for improved stability properties during the beam-target interaction. The centroid dynamics is controlled by an oscillating "wobbler", a set of electrically-biased plates driven by RF voltage. __________________________________________________

2010-04-28

406

Analysis of superconducting oxide by 7 MeV alpha particle backscattering analysis

A simplified relativistic configuration interaction method is used to study the dielectronic satellite transition processes. In this method, the infinite resonant doubly excited states can be calculated, and furthermore, the whole high-n dielectronic satellite transition processes can be treated conveniently by interpolation (rather than extrapolation) in the frame of quantum defect theory. As an example, we calculate the contributions from high-n dielectronic satellites to the K{alpha} resonance line in helium-like iron, and the results are in good agreement with the experimental measurements. (orig.) 39 refs.

1999-02-01

407

Air Shower Events of High-Energy Cosmic Rays Measured at Seoul, South Korea

High energy ion backscattering analysis in combination with recently-developed resonance scattering analysis is described, with a stress on precise and quantitative oxygen analysis and its successful application to the characterization and quality estimation of high T_c oxide superconductors. Particularly, the present status of high energy ion backscattering analysis, the review of analytical results for YBa_2Cu_3O_7 _- _x, the estimation of composition and crystalline quality of (La_1 _- _xSr_x)_2CuO_4 by 7 MeV alpha particle backscattering analysis are described.

1989-04-24

408

A new high nitrogen super austenitic stainless steel with improved structure stability and corrosion resistance properties

The COsmic ray Research and Education Array (COREA) collaboration has installed an array of six detector stations at two high schools in and near Seoul, Korea for measurement of air-shower events from high-energy cosmic rays. Three stations are installed at each site, where each station consists of four plastic scintillation detectors covering an area of 2m2. In this presentation, we report the currenst status of the COREA project, describing the experimental equipment and measurement of coincident events.

2011-09-01

409

''SEPIO NUANCE DT'' digital mammography system

A new highly alloyed (Cr, Mo, W, N) super austenitic grade has been developed. This grade offers high mechanical properties combined with excellent corrosion resistance in chloride acid media. This grade is particularly designed for applications in chloride, oxidizing acid media encountered in the chemical, transportation, pollution control, offshore and pulp and paper industries. Mechanical properties, corrosion resistance and weldability of this grade are presented and compared to that of other stainless steels and nickel base alloys.

1996-03-24

410

Zero-motion flucton correlations and high-energy proton elastic scattering on "4"0Ca

In the past, the need for high quality images, i.e., very sharp and clear images, in mammography have prevented mammography equipment from being digitalized; however, recent advances in detection technology such as development of a high resolution digital X-ray detector have produced improvements in digital mammography. Digital mammography is expected to replace conventional film-screen mammography. We have developed a digital mammography system, named ''SEPIO NUANCE DT'', which is equipped with a direct conversion flat panel detector. The present paper describes the high basic performance and user-friendly functions of the system. (author)

2007-03-01

411

When loss is more (for transmission towers) | SmartPlanet

1984. p. I37. Germany Antonov, AN Christov, CV Petkov, IZ Bylgarska

412

... ice, hurricanes, and trees (less likely on high voltage transmission lines ) can bring down above ground power lines. Flooding, Leeching ground ...

413

Vitamins and sport.

Underground reservoirs for high-head pumped-storage stations

In a double blind test on 40 men and women high performance fencers the influence of a multivitamin-electrolyte-preparation on reaction time, hit-frequency and neuromuscular irritability was determined....Full Text Available

1978-06-01

414

The advantages of using heads of around 1000 m in conjunction with underground location of the lower reservoirs for pumped storage plants are described, and the possible layouts, equipment, and construction methods are discussed.

1973-03-01

415

The use of gamma activation to study the behaviour of certain metals, in particular lead, during the dry ashing of bone

BackgroundLate-onset sepsis in the premature infant is frequently revealed by severe, unusual and recurrent bradycardias. In view of the high morbidity and mortality...Full Text Available

2009-03-01

416

The National Shipbuilding Research Program. Guide to ...

... calcium 47 combustion dry ashing high temperature labelled compounds lead

1972-04-10

417

The Mitoscriptome in Aging and Disease

... NVIC 3-94, International Maritime Organization Code for the Safe Carriage of Irradiated Nuclear Fuel, Plutonium and High-Level Radioactive ...

1997-10-01

418

The Economic Strategy for German Unification

Mitochondria are the major sites where energy is produced in the cell. Functions of organs such as the heart which has high energy demand are seriously affected by dysfunction of mitochondria....Full Text Available

2011-04-19

419

... PERSONAL AUTHOR(S) ROY A. BROOKS, LTC i3a. ... gave the impression of an immediate increase in the standard ... high rate by German standards. ...

1993-02-19

420

Terms Beginning With \\

TREE-MENDOUS TIMBER EVALUATION

... Microwaves, radio waves, and low-frequency electromagnetic fields from high-voltage transmission lines . Non-Methane Hydrocarbon (NMHC): The sum of all hydrocarbon air ...

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

421

TOPIC 02 High Speed Travel - NASA's SBIR & STTR Programs

depth timber industry experience with state-of-the-art ... difficult to find high-value pockets of timber (also known as timber stands ) to supply his ...

422

Synthesizer Stability Evaluation - NASA Technical Report Server (NTRS)

Low-cost fabrication of PMC composite sandwich panels, including metallic surface preparations for bonding the PMC to titanium honeycomb. ...

423

Superconducting Properties of (Sm/Y)-Ba-Cu-0 High Tc Composite Superconductors with CeO2 Additive by Zone-Melt Textured Growth

verified via high-resolution spectral density measurements using the Hadamard Variance. .... spectral density measurements were made with the HF5390 ...

424

Sirtuins, Bioageing, and Cancer

Full Text Available

2002-03-01

425

Separation of oligo-RNA by reverse-phase HPLC.

The Sirtuins are a family of orthologues of yeast Sir2 found in a wide range of organisms from bacteria to man. They display a high degree of conservation between species, in both sequence and function,...Full Text Available

426

Science Directed Spacecraft Autonomy for Mars Missions - detail

A rapid and highly reproducible chromatographic technique has been developed for analysis and purification of complex mixtures of oligoribonucleotides. The method utilizes a column of microparticulate...Full Text Available

1979-10-25

427

Sandwich belt high angle conveyors - applications in open pit mining

The rapidly growing field of remote sensing is beginning to supply massive amounts of high resolution imagery of the earth and other planets. ...

428

SIM: Stellar Astrophysics - SIM - NASA

High angle conveyor (HAC) systems in open pit mining offer many advantages over the traditional, truck only, haulage systems, including: (1) superior energy efficiency, (2) less dependency on petroleum products, (3) less sensitivity to inflation, (4) less labor, (5) less excavation for the amount of ore recovered, and (6) less ramp construction and maintenance costs. Previous studies have revealed the technical and economic feasibility of high angle conveyors. The present paper introduces the Continental Conveyor sandwich belt HAC as the vital link to optimization of in-pit conveying systems. A test and demonstration unit, has been built and demonstrated. Discussion continues with the HAC systems to suit the various open pit mining operations and the corresponding characteristics of the system components, particularly the high angle conveyor. The range of HAC systems is discussed. (11 refs.)

1984-03-01

429

Radio and television interference caused by corona discharges from high-voltage transmission lines

... and one near-main-sequence star, which will stringently constrain calculations of single-star evolution at high metallicity. Independent of SIM Lite observations ...

430

Radio and television interference caused by corona discharges from high-voltage transmission lines

Increase in power utility loads in industrialized countries, as well as developing countries, demands a higher level of transmission line voltage. Radio interference (RI) problems have been determined to be a limiting factor in selecting the size of transmission line conductors. Transmission line noise is primarily caused by corona discharges in the immediate vicinity of the conductor. It has been observed that discharges occur during both half-cycles of the applied voltage, but positive corona is usually predominant at AM radio frequencies range with practical high-voltage and extra high-voltage transmission lines. The corona radio noise effect is highly dependent upon the presence of particles on the surface of the conductor and the increase of the electrical gradient beyond the breakdown value of the air. Therefore, corona radio noise varies significantly with the weather and atmospheric conditions and generally ...

1996-11-01

431

Radio and television interference caused by corona discharges from high-voltage transmission lines

Increase in power utility loads in industrialized countries, as well as developing countries, demands a higher level of transmission line voltage. Radio interference (RI) problems have been determined to be a limiting factor in selecting the size of transmission line conductors. Transmission line noise is primarily caused by corona discharges in the immediate vicinity of the conductor. It has been observed that discharges occur during both half-cycles of the applied voltage, but positive corona is usually predominant at AM radio frequencies range with practical high-voltage and extra high-voltage transmission lines. The corona radio noise effect is highly dependent upon the presence of particles on the surface of the conductor and the increase of the electrical gradient beyond the breakdown value of the air. Therefore, corona radio noise varies significantly with the weather and atmospheric conditions and generally ...

1995-10-01

432

Quantitative non-destructive evaluation of high-temperature superconducting materials

Increase in power utility loads in industrialized countries, as well as developing countries, demands a higher level of transmission line voltage. Radio interference (RI) problems have been determined to be a limiting factor in selecting the size of transmission line conductors. Transmission line noise is primarily caused by corona discharges in the immediate vicinity of the conductor. It has been observed that discharges occur during both half-cycles of the applied voltage, but positive corona is usually predominant at AM radio frequencies range with practical high-voltage and extra high-voltage transmission lines. The corona radio noise effect is highly dependent upon the presence of particles on the surface of the conductor and the increase of the electrical gradient beyond the breakdown value of the air. Therefore, corona radio noise varies significantly with the weather and atmospheric conditions and generally ...

1996-04-09

433

Quantitative Spectroscopy of Photospheric-Phase Type II SN

Even though the currently intensive research efforts on high- temperature superconducting materials have not yet converged on a well specified practical material, the indications are that such a material may be quite brittle, anisotropic, and may contain many flaws such as microcracks and voids at grain boundaries. Consequently, practical applications of high temperature superconducting materials will require a very careful strength analysis based on fracture mechanics considerations. Because of the high sensitivity of the strength of such materials to the presence of defects, methods of quantitative non-destructive evaluation may be expected to play an important role in strength determinations. This proposal is concerned with the use of ultrasonic methods to detect and characterize isolated cracks, clusters of microcracks and microcracks distributed throughout the material. Particular attention has been, and will continue ...

1991-06-14

434

Prestin and high frequency hearing in mammals

... and high-quality photospheric-phase Type II SN spectra to constrain core- collapse SN explosions, massive star evolution, and distances in the Universe ...

435

Postfire soil burn severity mapping with hyperspectral image unmixing

Recent evidence indicates that the evolution of ultrasonic hearing in echolocating bats and cetaceans has involved adaptive amino acid replacements in the cochlear gene prestin. A substantial...Full Text Available

2011-03-01

436

Polycarbonate Bottle Use and Urinary Bisphenol A Concentrations

Sep 28, 2011... to assess the application of high resolution imagery for burn severity mapping and to compare it to standard burn severity mapping methods. ...

437

Photon statistics of the free-electron--laser startup

BackgroundBisphenol A (BPA) is a high-production-volume chemical commonly used in the manufacture of polycarbonate plastic. Low-level concentrations of BPA in animals and possibly...Full Text Available

2009-09-01

438

Phosphatidylinositol 4,5-bisphosphate Directs Spermatid Cell Polarity and Exocyst Localization in Drosophila

We show that, for the high electron currents used in present-day free-electron lasers, spontaneous radiation is distributed according to thermal statistics.

1983-09-01

439

During spermiogenesis, Drosophila melanogaster spermatids coordinate their elongation in interconnected cysts that become highly polarized,...Full Text Available

2010-05-01

440

Paratuberculosis.

Paratuberculosis (Johne's disease) is a chronic, wasting, widespread mycobacteriosis of ruminants. It involves extensive mycobacterial shedding, which accounts for the high contagiousness, and ends...Full Text Available

1994-07-01

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

441

PPT - AstroGravS - NASA

Operating Characteristics of a Three-Piece-Inner-Ring Large-Bore ...

Form as the end result of massive star evolution; Type II supernova: collapse of iron core in highly evolved massive star; outer regions blasted away in ...

442

Nitride Fuel for Fast Neutron Nuclear Reactors

roller bearing with a one-piece inner ring. The lubricant experimental data on high-speed roller .... roller bearing. The outer ring of the test bearing was ...

443

New Frontiers in Binary Stars: Science at High Angular ...

Development of Technology for Producing High-Effective Nitride Fuel UN with Controlled Microstructure for Advanced Fast Neutron Nuclear Reactors

444

NASA - Hurricane Season 2008: Hurricane Ike (Atlantic Ocean)

... interacting systems in which common-envelope evolutionary effects make it hard to generalize the results to single-star evolution, although they ...

2011-05-15

445

The company reports that with the help of outside companies, they completed all major fixes including high-voltage transmission lines to neighborhood ...

446

NAME=\\

Molten Boron Phase-Change Thermal Energy Storage ...

...Systems, UWA investigating rate uplift effects of shallow foundation systems associated with high voltage transmission line support towers. This work was funded by National Grid, ...

447

Modified N,N'-Dicarbazolyl-3,5-benzene as a High Triplet Energy Host Material for Deep-Blue Phosphorescent Organic Light-Emitting Diodes.

... Advanced thermal storage systems based on very high temperature solid materials such as boron carbide or graphite have been investigated for ...

2011-06-01

448

Methylisothiazolinone contact allergy and dose-response relationships

PMID:21953922

2011-08-29

449

DEFF Research Database (Denmark)

Methylisothiazolinone (MI) used alone is a new preservative causing a high prevalence of contact allergy. The eliciting threshold of MI is unknown. The combination of MI and phenoxyethanol enhances the antimicrobial efficacy of MI.

2011-01-01

450

Methanogenic Inhibition by Arsenic Compounds

Metallurgical instabilities during the high temperature low cycle fatigue of nickel-base superalloys

The acute acetoclastic methanogenic inhibition of several inorganic and organic arsenicals was assayed. Trivalent species, i.e., methylarsonous acid and arsenite, were highly inhibitory, with 50% inhibitory...Full Text Available

2004-09-01

451

Late Life-Threatening Hemorrhage after Percutaneous Tracheostomy

In this letter, examples of microstructural instabilities that can significantly affect the low crystal fatigue (LCF) life are pointed out.

1983-01-01

452

Immobilization of waste material

Purpose. Formation of a tracheoinnominate artery fistula (TIF) and consecutive hemorrhage is a rare and life-threatening complication with high mortality. Warning symptoms can...Full Text Available

2011-01-01

453

Identification of Phospholipid Molecular Species in Porcine Brain Extracts Using High Mass Accuracy of 4.7 Tesla Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

A method is described for immobilizing or solidifying waste material, which includes blending the waste material with powdered metal and subjecting the mixture of waste material and powdered metal to high pressure. (author).

454

Homocysteine and Familial Longevity: The Leiden Longevity Study

Full Text Available

2006-05-01

455

High-dose insulin: A consecutive case series in toxin-induced cardiogenic shock

Homocysteine concentrations are a read-out of methionine metabolism and have been related to changes in lifespan in animal models. In humans, high homocysteine concentrations are an important predictor...Full Text Available

456

British Library Electronic Table of Contents (United Kingdom)

Context. Cardiovascular medication overdoses can be difficult to treat. Various treatment modalities are currently recommended. Objective. To describe patient outcomes and adverse events of high-dose insulin therapy in consecutive overdose patients in cardiogenic shock after implementation of a high-dose insulin protocol (1-10 U/kg/h, while avoiding or tapering off vasopressors). Methods. This is an observational consecutive case series of patients identified from a registry. Data were collected by retrospective chart review of patients treated by our toxicology service with this protocol from February 2007 until March 2010. Results. Twelve patients were treated with high-dose insulin. The mean age was 36.5 years (SD 11.7). Seven patients had pre-existing vasopressor therapy, and all were ...

2011-01-01

457

High voltage transmission lines studies with the use of artificial intelligence

High resolution line shapes of weak autoionizing resonances identified through fluorescence from the satellite states of Ar+

The paper presents an alternative approach for the studies of high voltage transmission lines based on artificial intelligence and more specifically artificial neural networks (ANNs). In contrast to the existing conventional-analytical techniques and simulations which are using in the calculations empirical and/or approximating equations, this approach is based only on actual field data and actual measurements. The proposed approach is applied on high voltage transmission lines in order to calculate the lightning outages, on grounding systems in order to assess the grounding resistance and on high voltage transmission lines' polluted insulators in order to estimate the critical flashover voltage. The obtained results are very close to the actual ones for all three case studies, something which clearly implies that the ANN approach is well working and has an acceptable accuracy, constituting an additional tool of ...

2009-12-15

458

High pressure in situ diffraction studies of metal-hydrogen systems

English 1 Jul 1997 [vp.] United States McLaughlin, KW Yenen, O. Samson,

1997-07-16

459

British Library Electronic Table of Contents (United Kingdom)

''Hybrid'' hydrogen storage, where hydrogen is stored in both the solid material and as a high pressure gas in the void volume of the tank can improve overall system efficiency by up to 50% compared to either compressed hydrogen or solid materials alone. Thermodynamically, high equilibrium hydrogen pressures in metal-hydrogen systems correspond to low enthalpies of hydrogen absorption-desorption. This decreases the calorimetric effects of the hydride formation-decomposition processes which can assist in achieving high rates of heat exchange during hydrogen loading-removing the bottleneck in achieving low charging times and improving overall hydrogen storage efficiency of large hydrogen stores. Two systems with hydrogenation enthalpies close to -20kJ/mol H2 were studied to investigate the h...

2011-01-01

460

High Temperature Superconducting Compounds

High Resolution Modeling of Coastal Inundation: User ...

... Voltage noise power spectral density measurements as a function of temperature, frequency, current, and magnetic field on DyBa2Cu3O7.x (DBCO ...

1992-11-30

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

461

High Energy Physics Program at the University of Alabama

... Ruth. Preller@nrlssc.navy.mil 76 Marine Technology Society Journal Page 4. ... 78 Marine Technology Society Journal Page 6. ...

2007-07-27

462

High Energy Astrophysics Picture Of the Week - HEASARC - NASA

This report discusses the following topics: study of Z{sup 0} decays; QCD; new particles; Higgs bosons; and forward hadron calorimeter system.

1990-09-01

463

Hard Corrosion and Radiation-Resistant Coatings

Jun 28, 2010 ... Ultracompact binaries represent the end product of a binary star evolution, and are important test cases of theories of extreme gravity. Perhaps ...

464

HPCC and the National Information Infrastructure: an overview.

Hard Nano-Strutural Coatings Resistant to the Extreme Conditions of Chemical, Abrasive and High Energy Media for Thermonuclear Power, Oil and Gas and Chemical Industries

465

Glucose Biosensor Based on the Fabrication of Glucose Oxidase in the Bio-Inspired Polydopamine-Gold Nanoparticle Composite Film

The National Information Infrastructure (NII) or "information superhighway" is a high-priority federal initiative to combine communications networks, computers, databases, and consumer electronics to...Full Text Available

1995-01-01

466

British Library Electronic Table of Contents (United Kingdom)

Abstract A highly efficient enzyme immobilization method has been developed for electrochemical biosensors using polydopamine films with gold nanoparticles (AuNPs) embedded. This simple enzyme fabrication method can be performed in very mild conditions and stored in a long time with high bioactivity. The fabricated amperometric glucose biosensor exhibited a high and reproducible sensitivity, wide linear dynamic range and low limit of detection (LOD) (0.1 molL-1). A low value of 1.5 mmolL-1 for the apparent Michaelis-Menten constant KappM was obtained. The high sensitivity, wide linear range, good reproducibility and stability make this biosensor a promising candidate for portable amperometric glucose biosensor.

2010-01-01

467

Gene therapy for ocular diseases

Fundamental reasons for the good performance of Alloy 800 in nuclear steam generators

The eye is an easily accessible, highly compartmentalised and immune-privileged organ that offers unique advantages as a gene therapy target. Significant advancements have been made in understanding...Full Text Available

2011-05-01

468

Floral ontogeny of Annonaceae: evidence for high variability in floral form

It is hypothesized that the good performance of Alloy 800 in steam generator service is due to its relative immunity to two distinct mechanisms of stress corrosion cracking; the argument also applies to intergranular corrosion. One mechanism operates in the high-nickel region (Alloy 600 and nearby model alloys) and is due to internal intergranular oxidation. The other operates in the low-nickel (stainless steel) region and is due to de-alloying of Fe and/or Cr. This latter mechanism may, under special conditions, operate in high-Ni, high-Cr alloys such as 690. Some essential features of the de-alloying mechanism are demonstrated using strong caustic solutions, and the prospect of extending this approach to dilute high-temperature environments is discussed. (author)

2007-07-01

469

Evidence from 12 geographically disparate power grids - NASA

Background and AimsAnnonaceae are one of the largest families of Magnoliales. This study investigates the comparative floral development of 15 species to understand the basis for...Full Text Available

2010-10-01

470

Ergonomics: The Study of Work

miles of high-voltage transmission lines with 12 intercon- nections to electricity systems in New York and Canada. As of 1 March 2003, ISO New England has ...

471

Division of Solar Energy - NASA Technical Reports Server

... Problem: At a glass ceramic cooktop plant, workers manually lift uncut plates of glass onto a waist-high conveyor belt, where it is then stacked ...

2011-05-13

472

Development of high-field STM for 18 T cryocooled superconducting magnet

Metal-semiconductor solar cells reported to date exhibit inherently low output voltages. This effect isa consequence of high diode "saturation" ...

473

Development of a 2-Aza-Cope-[3+2] Dipolar Cycloaddition Strategy for the Synthesis of Quaternary Proline Scaffolds

To study the nanoscale electronic order in strongly correlated electron systems and vortex states in high-Tc superconductors in high magnetic fields, we have developed scanning tunneling microscopy (STM) for the 18 T cryocooled superconducting magnet (18T-CSM). The test results of the STM operation in the 18T-CSM at room temperature indicate that our STM has a good atomic resolution up to 18 T when we use the nonmagnetic vibration-isolation table which reduce the vibration noise from the cryocoolers of the 18T-CSM. In this paper, we report on the design of the high-field STM system for large-scale magnets and its performance.

2009-02-01

474

Design, development, manufacture, and deliver new concepts for high energy rate forming system quarterly report no. ii

A one-pot multicomponent procedure for the synthesis of highly functionalized pyrrolidine rings through a domino...Full Text Available

2010-09-03

475

Computer Controlled MHD Power Consolidation and Pulse ...

Magnetic coil pressure wave generation for magnetic forming

1965-01-01

476

Computational biology for ageing

... is a standard in the utility industry which is used to study switching transients on power distribution networks and high-voltage transmission lines. ...

1990-08-01

477

Cis-regulatory mutations in human disease

High-throughput genomic and proteomic technologies have generated a wealth of publicly available data on ageing. Easy access to these data, and their computational analysis, is of great importance in...Full Text Available

2011-01-12

478

Cholinesterase for Prophylactics of Poisoning by Organophosphorous Inhibitors

Cis-acting regulatory sequences are required for the proper temporal and spatial control of gene expression. Variation in gene expression is highly heritable and a significant determinant...Full Text Available

2009-07-01

479

Charting the Uncharted Waters - SIM - NASA

The Production of Highly Active Human Blood Plasma Butyrylcholinesterase Preparation by Gene Engineering Methods to Create Protective Means against Poisoning by Organophosphorous Cholinesterase Inhibitors

480

Chain radiation-chemical cross-linking of polyethylene under high pressures. [Gamma radiation

gently constrain calculations of single-star evolution at high metallicity. Independent of SIM Lite observa- tions, we also propose to establish 4) how to ...

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Capturing energy in the air to power electronics | SmartPlanet

Regularities in the radiation cross-linking of low-density polyethylene under various conditions of ..gamma..-irradiation were studied. It is shown that at the 0.5 GPa pressure and 450 K the gel formation is initiated at doses of about 1 kGy, i.e. at doses 10 times as low as compared to normal conditions. Abnormally high rate of radiation cross-linking at high temperature and high pressure is an evidence of changes in the mechanism of polyethylene, radiation cross-linking, i.e. of the process transition from nonchain to chain conditions. Decrease in the potential barriers of macroradical reactions with macromolecules is the most probable reason of change in the polymer cross-linking nature.

1984-01-01

482

C-CAP Land Cover, Commonwealth of the Northern Mariana Islands (CNMI), Farallon de Pajaros, 2004

...smart grid applications where you could place them very close to the high-voltage transmission lines , very close to transformers and so on. Photo:...

483

C-CAP Land Cover, Commonwealth of the Northern Mariana Islands (CNMI), Anatahan, 2005

This data set consists of land derived from high resolution imagery and was analyzed according to the Coastal Change ... ...

484

C-CAP Land Cover, Commonwealth of the Northern Mariana Islands (CNMI), Aguijan, 2003

This data set consists of land derived from high resolution imagery and was analyzed according to the Coastal Change ... ...

485

Benefits of Using the Photosimulation Laboratory Environment ...

This data set consists of land derived from high resolution imagery and was analyzed according to the Coastal Change ... ...

486

Ashbrook Simon-Hartley Profile on Environmental Expert

... with the ability to capture imagery in raw 24-bit format, combined with large memory storage devices enable high resolution imagery to be captured ...

2002-08-01

487

Ashbrook Simon-Hartley Profile on Environmental Expert

...been a world leader in the design, manufacture and installation of high quality precision-engineered systems for water and wastewater treatment fo Create Free Account ...

488

Artillery Teams in Simulated Sustained Combat: Performance ...

...been a world leader in the design, manufacture and installation of high quality precision-engineered systems for water and wastewater treatment fo Bulletins Environmental Expert ...

489

Application of high sensitive thermoluminescent LiF:Mg, Cu, P-type detectors for radon concentration measurements

... Biomedical measures were also collected. Four 82nd Airborne Division teams performed high workload operations without shifts. ...

1980-03-01

490

Apoptosis at Inflection Point in Liquid Culture of Budding Yeasts

Polish 2001 p. 105 Poland Bogacz, J. Budzanowski, M. Mazur, J. Swakon,

2001-09-10

491

Antarctica and the Mediterranean high mountains. - NASA

Budding yeasts are highly suitable for aging studies, because the number of bud scars (stage) proportionally correlates with age. Its maximum stages are known ...Full Text Available

492

Anodic protection of 304L stainless steel in highly concentrated solutions of nitrates and chromates

como un factor determinante del maximo indice de fotosintesis y, consecuentemente potencial de produccion primaria. Comparaciones entre especies ...

493

A high sensitivity two-color interferometer for pulsed power plasmas

Jun 1978. p. 107-108. Israel Ben-Haim, M. Rabinovitz, E. IA--1348. Available

1978-06-01

494

A Magnetic Suspension and Excitation System for Spin Vibration ...

A high sensitivity, high bandwidth, two-color interferometer (1064 and 532 nm) has been tested on the Hawk pulsed power generator at the Naval Research Laboratory. The phase resolution is 10"-"5 waves with a rise time of 3 ns, a new capability for diagnosing plasmas, and neutrals in pulsed power experiments. The two-color feature is used to distinguish phase shifts from free (plasma) electrons and bound (neutral and ion) electrons. Simultaneous electron and neutral density measurements were demonstrated in a plasma opening switch (POS) experiment. The ability to measure small phase shifts with fast rise time were demonstrated in a plasma filled diode experiment. The high sensitivity and vibration isolation enable neutral gas distribution measurements from supersonic nozzles used in plasma radiation source experiments. Examples of these measurements and future applications are described. copyright 1997 American Institute of ...

495

A He-gas Cooled, Stationary Granular Target

High Cycle Fatigue Initiative Workshop -Active Vibration. Control/Engine. Health Monitoring Session December 10,. 1996. The presentation was titled "Active ...

496

50 (Fifty) Years of Research on Man in Flight

In the CERN approach to the design of a neutrino factory, the repetition frequency of the proton beam is high enough to consider stationary solid targets as a viable solution for multi-MW beams. The target consists of high density tantalum spheres of 2 mm diameter which can efficiently be cooled by passing a high mass flow He-gas stream through the voids between the Ta-granules. Very small thermal shocks and stresses will arise in this fine grained structure due to the relatively long burst of 3.3 ms from the SPL-proton linac. In a quadruple target system where each target receives only one quarter of the total beam power of 4 MW, conservative temperature levels and adequate lifetimes of the target are estimated in its very high radiation environment. A conceptual design of the integration of the target into the magnetic horn-pion-collector is presented.

2003-01-01

497

2010 NASA Terrestrial Ecology Science Team Meeting - NASA Carbon ...

... i3a. ... This pioneering research established the new Air Force standard for future ... Echols ,.stablished new standards for high- altitude long-range flight ...

1985-06-01

498

2002 C-CAP Land Cover, Territory of American Samoa, Swains

The biomass maps were compared with the U.S. Forest Service biomass map for 2002 , LVIS height data, and estimates from high resolution imagery. ...

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