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Recent quantum mechanical calculations of the interaction energy of pairs of helium atoms are accurate and some include reliable estimates of their uncertainty
Ping-Shine Shaw, Thomas C. Larason, R Gupta, Steven W. Brown, Keith R. Lykke
A cryogenic radiometer-based system was constructed at the National Institute of Standards and Technology (NIST) for absolute radiometric measurements to
Hratch G. Semerjian, W Koch, Ellyn S. Beary, Michael S. Epstein, G B. Vasquez
Selected NIST Chemical Science and Technology Laboratory (CSTL) activities and highlights. Building on a hundred year history of technical excellence, today's
Polarization mode dispersion (PMD), multimode fiber parameters, fiber geometry and chromatic dispersion mapping in fibers are some of the measurement issues in
This paper provides the documentation to establish a measurement assurance program (MAP) for the spectral density of relative intensity noise (RIN) of optical
W L. Gans, N. S. Nahman, J R. Andrews, E E. Baldwin
The techniques employed by NBS from the mid 70s through 1988 for the calibration of the pulse transition duration (TD) of a fast, step-like, electrical pulse
This report presents an assessment of moisture measurement tests by techniques currently available for ceramic processing applications. The techniques tested
Mean values, traditionally used as a location parameter in the analysis of intercomparisons, are known to lack stability against the effect of outliers. It is
This paper describes an improved method for computing Fresnel integrals with an accuracy better than 1X10 -9, based on a known approximate formula for a
M Levenson, D L. Banks, K Eberhardt, L M. Gill, William F. Guthrie, Hung-Kung Liu, M Vangel, James H. Yen, Nien F. Zhang
The problem of determining a consensus value and its uncertainty from the results of multiple methods or laboratories is discussed. Desirable criteria of a
This document provides an introduction to security for private branch exchange systems (PBXs). The primary audience is agency system administrators and others
Computer security assurance provides a basis for one to have confidence that security measures, both technical and operational, work as intended. Use of
Dale P. Bentz, X Feng, C Haecker, Paul E. Stutzman
This NISTIR provides experimental and computer modeling results for cements 135 and 136 issued by the Cement and Concrete Reference Laboratory (CCRL) at NIST in
This review of the state of the art of connections of Fiber-reinforced polymers (FRP) members covers primary structural connections (whose integrity is crucial
This report provides documentation and example results for a computer model developed to predict the surface temperature and time-of-wetness (and time-of
Intermodal containers are used widely in marine cargo handling. In order to facilitate unloading of empty containers from ship to shore, two containers are
The Carderock Division of the Naval Surface Warfare Center is developing the Automated Paint Application, Containment, and Treatment System (APACTS) to apply
Thomas R. Kramer, Frederick M. Proctor, Elena R. Messina
This report describes an interpreter which reads numerical control code and produces calls to a set of canonical machining functions. The interpreteris a
Tolerance design is the process of deriving a description of geometric tolerance specifications for a product from a given set of desired properties of the
Igor Vayshenker, Shao Yang, Xiaoyu X. Li, Thomas Scott, Christopher L. Cromer
We describe a system for measuring the response nonlinearity of optical fiber power meters and detectors over a wide power dynamic range at telecommunication
An axially-layered cylindrical dielectric resonator comprised of substrate and thin film is placed into a parallel plate waveguide and operated in axi-symmetric
This paper presents an overview of a neutral reference architecture for integrating distributed manufacturing simulation systems with each other, with other
The National Institute of Standards and Technology (NIST) is collaborating with vendors, users, and university researchers to develop a virtual manufacturing
[For the latest information on vulnerabilities, see the National Vulnerability Database, nvd.nist.gov]The NIST computer security division has created a
Jeffrey W. Gilman, Takashi Kashiwagi, A B. Morgan, Richard H. Harris Jr., L D. Brassell, Mark R. VanLandingham, C L. Jackson
We recently found that polymer layered-silicate (clay) nanocomposites have the unique combination of reduced flammability and improved physical properties
William D. Walton, Nelson P. Bryner, Nora H. Jason
As part of an ongoing effort to update and sharpen the National Fire Research Agenda, the U.S. Fire Administration in cooperation with the Building and Fire
William D. Walton, Nelson P. Bryner, Daniel M. Madrzykowski, James R. Lawson, Nora H. Jason
As part of an ongoing effort to update and sharpen the National Fire Research Agenda, the U.S. Fire Administration in cooperation with the Building and Fire