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Search Publications

NIST Authors in Bold

Displaying 10701 - 10725 of 13225

NRC - NIST Intercoparison of Calibration Systems for Current transducers with a voltage output at power frequencies.

April 1, 2003
Author(s)
Eddy So, R. Arseneau, D. Bennett, Thomas L. Nelson, Bryan C. Waltrip
… calibrations at power frequencies were conducted in the past. However, all comparisons were done with a … of Canada and the National Institute of Standards and Technology, USA, was done with a primary current range of 100 … Council of Canada, with the output voltage adjustable in magnitude and phase within a range of 11 percent. The …

Policy Expression and Enforcement for Handheld Devices

April 1, 2003
Author(s)
Wayne Jansen, Tom T. Karygiannis, Vladimir Korolev, Serban I. Gavrila, Michaela Iorga
… devices are no longer viewed as coveted gadgets for early technology adopters, but instead have become indispensable … is aimed at assisting enterprise security officers in administering and enforcing group and individual security …

Future of Fire Simulation

December 1, 2002
Author(s)
Kevin B. McGrattan, Howard R. Baum, Ronald G. Rehm, Glenn P. Forney, Kuldeep R. Prasad
… are often asked to make predictions of the state of technology in the future and are usually laughably wrong. The best … get the trends right, but cannot possibly fill in the details. Think of Jules Verne predicting a trip to the …

High-Speed Quantum Communication Testbed

December 1, 2002
Author(s)
Carl J. Williams, Xiao Tang, M Hiekkero, J Rouzard, R Lu, A Goedecke, Alan L. Migdall, Alan Mink, Anastase Nakassis, Leticia S. Pibida
… QCT is a facility for exploring quantum communication in an enviornment similar to that projected for early … an open platform for testing and validating performance in the application, network, and physical layers of quantum … MD campus of the National Institute of Standards and Technology (NIST), separated by approximately 600 meters. At …

Multiscaling Modeling of Fluid Transport in Heterogeneous Materials Using Discrete Boltzmann Methods

December 1, 2002
Author(s)
Nicos Martys, John G. Hagedorn
… approach for modeling single and multicomponent fluid flow in complex geometries like porous materials. Here, we review … and discuss some recent developments concerning fluid flow in multiple pore size materials. After presenting some simple … flows in other microstructures of interest to concrete technology will be discussed. …

Use of Integrating Spheres as Ultraviolet Radiation Sources for Artificial Weathering of Polymers

April 1, 2002
Author(s)
Joannie W. Chin, E Byrd, N Embree, Jonathan W. Martin
… composites. Although numerous improvements have been made in the design of UV chambers over the last 80 years, the … lack of reproducibility is attributed to systematic errors in their design, operation, and control which prevent direct … innovative UV chamber design based on integrating sphere technology that greatly reduces the magnitude of these …

The Challenges of Nanometrology

January 1, 2002
Author(s)
Michael T. Postek
… Nanometrology has already played a key role in support for the semiconductor and other U.S. industries …

High Pressure X-Ray Crystallography With the Diamond Cell at NIST/NBS

November 1, 2001
Author(s)
Gasper J. Piermarini
… Scientists in the Crystallography Section at NIST/NBS made several … (1) the invention of the diamond anvil cell (DAC) in 1958; (2) the developement of DAC technology for powder x-ray diffraction at high pressure in …

Measurement Comparison of a Low-Intermodulation Termination for the U.S. Wireless Industry

July 1, 2001
Author(s)
Jeffrey A. Jargon
… two-port devices, the National Institute of Standards and Technology was requested to perform a second comparison for a … allowed participants to determine the level of agreement in measurements of varying levels of passive intermodulation, … Since March 2000, five U. S. companies have participated in this intercomparison and have contributed 10 data sets for …

High Performance Transition-Edge-Sensor Based Detectors

June 1, 2001
Author(s)
Gene C. Hilton, Steven Deiker, Kent D. Irwin, Sae Woo Nam, John M. Martinis, David A. Wollman
… photon energies ranging from the infrared to the x-ray. In the soft x-ray band we have demonstrated the highest … detector (4.5 eV at 5.9 keV and 2 eV at 1.5 keV). In addition to the industrial applications of TES based x-ray … are quickly becoming the detector of choice for astronomy in both the sub-nm and soft x-ray bands, with several new …

Measurements and Predictions of Light Scattering by Clear Coatings

May 1, 2001
Author(s)
M E. McKnight, Theodore V. Vorburger, Egon Marx, Maria E. Nadal, P Y. Barnes, Michael A. Galler
… over a range of rms roughness conditions, resulting in strongly specular scattering characteristics. Calculated … intensity of scattered light waves using a phase integral in the Kirchoff approximation. The other is based on the … developed by the National Institute of Standards and Technology. Comparisons between measured and calculated …

NIST Centennial Celebration Symposium Highlight

November 15, 2000
Author(s)
Alan D. Mighell, Winnie K. Wong-Ng
… Celebration of the National Institute of Standards and Technology (NIST), formerly known as the Bureau of Standards (NBS), takes place in the year 2001. NIST has a long history (>50 years) of … material sciences. Many scientists from various divisions in diverse disciplines have contributed to this history. The …

Thermal Radiation From Large Pool Fires (NISTIR 6546)

November 1, 2000
Author(s)
Kevin B. McGrattan, Howard R. Baum, Anthony P. Hamins
… In order to protect people and combustible structures from … and 1.4 kW/m2 (450 Btu/h/ft2) for people as guidelines in determining an "Acceptable Separation Distance" (ASD) from … Laboratory at the National Institute of Standards and Technology (NIST) of the 1975 HUD guidelines for thermal …

Automatic Generation of Simulation Models from Neutral Libraries: An Example

July 1, 2000
Author(s)
Albert T. Jones, R A. Wysk, Y J. Son
… Researchers at the National Institute of Standards and Technology have proposed the development of neutral libraries … simulation services. The result would be a reduction in the complexity of simulation modeling and analysis. In this paper, we consider a discrete-event simulation of the …

SIMnet Design and Internet Deployment Guide

December 29, 1999
Author(s)
Richard D. Schneeman
… multiple participants over the Internet to collaborate in real-time using audio, video, chat, whiteboard, data … by injecting important state-of-the art information technology into the metrology area. In fact, by using SIMnet, the time required to complete an …

CSPP--Guidance for COTS Security Protection Profiles (Formerly: CS2 - Protection Profile Guidance for Near-Term COTS) Version 1.0

December 1, 1999
Author(s)
G Stoneburner
… using commercial off-the-shelf (COTS) information technology. CSPP accomplishes this purpose by:--describing a largely policy-neutral, notional information system in the format of a protection profile (PP); --specifying a subset of the common criteria to be used in developing compliant protection profiles; --providing the …

The Theory of Bose-Einstein Condensation of Dilute Gases

December 1, 1999
Author(s)
Karen G. Burnett, M Edwards, Charles W. Clark
… In this article, we present a current perspective on advances in the theoretical understanding of Bose-Einstein … physics, BEC has come to be perceived both as an enabling technology, which may yield the same exquisite control of …

Overview of the Sixth Text REtrieval Conference (TREC-6)

October 25, 1999
Author(s)
Ellen M. Voorhees, Donna K. Harman
… procedures, and a forum for organizations interested in comparing results. TREC contains two main retrieval tasks … participants to focus on particular common subproblems in retrieval. The emphasis on individual experiments … in retrieval effectiveness has approximately doubled, and technology transfer among research labs and between research …
Displaying 10701 - 10725 of 13225
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