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Displaying 15876 - 15900 of 17289

The NIST Industrial Thermometer Calibration Laboratory

June 1, 2001
Author(s)
C D. Vaughn, Gregory F. Strouse
The NIST Industrial Thermometer Calibration (ITC) Laboratory provides calibrations of industrial thermometers over the range from 196 C to 550 C. The different types of thermometers include liquid-in-glass (LiG), thermistors, thermocouples (

Common Biometric Exchange File Format (CBEFF)

January 1, 2001
Author(s)
Fernando L. Podio, J S. Dunn, L Reinert, C J. Tilton, L O'Gorman, P Collier, Mark Jerde, B Wirtz
… three Workshops co-sponsored by the National Institute of Standards and Technology and the Biometric Consortium. A …

Large-Area TKIDs for a New Generation of Neutron Beta Decay Experiments

January 1, 2001
Author(s)
Elizabeth Scott, Jimmy P. Caylor, Maynard S. Dewey, Jiansong Gao, Colin A. Heikes, Shannon Hoogerheide, Hans Pieter Mumm, Jeffrey S. Nico, Joel Ullom, Michael Vissers
Nuclear physics has long played a central role in our efforts to better understand the natural world. Several experiments are well positioned to improve limits in searches for physics Beyond the Standard Model (BSM). Many of the experiments in nuclear

The GAMS4 Flat Crystal Facility

January 1, 2001
Author(s)
Ernest G. Kessler, Maynard S. Dewey, R Deslattes, Albert Henins, H G. Borner, M Jentschel, H Lehmann
… using this facility include 1) absolute wavelengths standards and neutron binding energies, 2) lifetimes of …

Challenges in Developing Environmentally Safe Heat Pumping Systems

July 1, 2000
Author(s)
David Didion, J S. Brown
The advent of the global warming crisis has brought about a viewpoint, in many governments, that the halogen family of refrigerants should be replaced, in part or in toto, by the so-called natural refrigerants. For this proposal to be valid it is necessary

Hot-Electron Attenuation Lengths in Ultrathin Magnetic Films

May 1, 2000
Author(s)
R P. Lu, B A. Morgan, K L. Kavanagh, Cedric J. Powell, P J. Chen, F Serpa, W F. Egelhoff
Ballistic electron emission microscopy (BEEM) is used to measure hot electron transport across magnetic metal multilayers. Room temperature measurements in air have been carried out on Au/M/Si(100), Au/M/Au/Si(100) and Au/M/PtSi/Si diodes, that were

Shear Strength of High-Strength Concrete Walls and Deep Beams

May 1, 2000
Author(s)
Dat Duthinh
In the last 30 years, the compressive strength of concrete that can be produced reliably in the field has more than doubled, from 35 MPa (5000 psi) to 85 MPa (12 000 psi). Strengths as high as 140 MPa (20 000 psi) can be achieved in the laboratory and, on

NIST-BMDO Transfer Radiometer (BXR)

April 1, 2000
Author(s)
Timothy M. Jung, Adriaan C. Carter, Steven R. Lorentz, Raju V. Datla
… Calibration (LBIR) facility at the National Institute of Standards and Technology (NIST) for the Ballistic Missile …

A Thermodynamic Investigation of Some Reactions Involving Prephenic Acid

February 1, 1999
Author(s)
N Kishore, Marcia J. Holden, Yadu D. Tewari, Robert N. Goldberg
Calorimetric enthalpies of reaction have been measured for the following enzyme-catalyzed reactions at the temperature 298.15 Kprephenate(aq) = phenylpyruvate(aq) + H 20(l) + carbon dioxide(aq), prephenate(aq) + NAD ox(aq) = 4-hydroxyphenylpyruvate(aq) +
Displaying 15876 - 15900 of 17289
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