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Displaying 12601 - 12625 of 17284

XML Representation of EXPRESS Models and Data

February 1, 2001
Author(s)
Joshua Lubell, Edward J. Barkmeyer Jr.
… a modeling language for use in engineering data exchange standards that combines the entity-attribute-relationship and …

Report on NIST-NACLA MOU Workshop

July 1, 2000
Author(s)
W G. Leight
… conducted on June 23, 2000, at the National Institute of Standards and Technology (NIST) to obtain public comment on a …

NIST 60. NIST ITS-90 Thermocouple Database

December 21, 1999
Author(s)
Dean Ripple
… and Guthrie.These reference functions have been adopted as standards by the American Society for Testing and Materials …

XPS Study of the Dehydration of Clay and Kaolin Powders

October 1, 1999
Author(s)
T N. Wittberg, P S. Wang
X-ray photoelectron spectroscopy (XPS) was used to analyze samples of a commercial clay powder and a kaolin standard. Samples were analyzed both in the as-received condition and after heating to temperatures > or = to} 750 degrees C. There was a loss of

On the Transition of KIF/Frame Ontologies to EXPRESS

January 1, 1997
Author(s)
Peter Wilson
This repot descibes the translation of three groups of ontologies specified using the Frame variant of the Knowledge Interchange Format (KIF) language into information models specified using the EXPRESS information modeling language, as defined in

Requirements for an Application Protocol Development Environment

October 1, 1993
Author(s)
Allison Barnard, Steve Clark, James E. Fowler
The National PDES project at NIST is focused on the development and implementation of the emerging international standard for the exchange of product model data (STEP). One subproject within the testbed is the effort to establish an application protocol

NIST Handbook 130: Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality (2024-1 Ed.)

March 5, 2024
Author(s)
John McGuire, David Sefcik, Lisa Warfield, Yvonne Branden, Katrice Lippa
… law or regulation in place. The National Institute of Standards and Technology (NIST) has a statutory … of Weights and Measures (OWM) of the National Institute of Standards and Technology (NIST) and input from weights and … that these Laws and Regulations are (a) intended to be standards rather than just guidelines, and (b) intended for …

NIST Handbook 130: Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality (2024 Ed.)

December 18, 2023
Author(s)
Lisa Warfield, John McGuire, Katrice Lippa
… law or regulation in place. The National Institute of Standards and Technology (NIST) has a statutory … of Weights and Measures (OWM) of the National Institute of Standards and Technology (NIST) and input from weights and … that these Laws and Regulations are (a) intended to be standards rather than just guidelines, and (b) intended for …

NIST Handbook 130: Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality (2023 Ed.)

February 13, 2023
Author(s)
Tina Butcher, David Sefcik, Lisa Warfield, Shelby Bowers, Katrice Lippa
… law or regulation in place. The National Institute of Standards and Technology (NIST) has a statutory … of Weights and Measures (OWM) of the National Institute of Standards and Technology (NIST) and input from weights and … that these Laws and Regulations are (a) intended to be standards rather than just guidelines, and (b) intended for …

Development and Evaluation of a Reference Measurement Procedure for the Determination of Estradiol-17 in Human Serum Using Isotope-Dilution Liquid Chromatography-Tandem Mass Spectrometry

October 1, 2005
Author(s)
Susan S. Tai, Michael J. Welch
Estradiol is the most potent natural estrogen and is derived from the ovaries. Its concentration in blood is measured to determine ovarian function. A reference measurement procedure (RMP) for estradiol in serum involving isotope-dilution (ID) coupled with

Radiometric Measurement Comparisons Using Transfer Radiometers in Support of the Calibration of NASA's Earth Observing System (EOS) Sensors

September 1, 1999
Author(s)
James J. Butler, B. Carol Johnson, Steven W. Brown, Howard Yoon, R Barnes, B L. Markham, S F. Biggar, E F. Zalewski, P R. Spyak, J W. Cooper, F Sakuma
… produced by these spheres with respect to international standards is the responsibility of the instrument builder, … Stable transfer radiometers from the National Institute of Standards and Technology, the University of Arizona Optical …

Height Calibration of Atomic Force Microscopes Using Silicon Atomic Step Artifacts

January 1, 1996
Author(s)
V W. Tsai, Theodore V. Vorburger, P Sullivan, Ronald G. Dixson, Richard M. Silver, Edwin R. Williams, J Schneir
… has been available. Therefore. the National Institute of Standards and Technology (NIST) is developing a metrology AFM that will be used to calibrate traceable AFM standards. These, in turn, can be used to calibrate …

A Summary of Heat-Flux Sensor Calibration Data

October 12, 2021
Author(s)
A V. Murthy, Gerald T. Fraser, D P. DeWitt
This paper presents a statistical evaluation of the responsivity data on a number of heat-flux sensors, calibrated using an electrical substitution radiometer as a transfer standard up to 5 W cm-2. The sensors, furnished by the customers, were of circular

REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Blends

May 8, 2020
Author(s)
J S. Brown, Piotr A. Domanski, Riccardo Brignoli, Young J. Yoon
REFLEAK simulates leak and recharge processes for refrigerant zeotropic blends. This Windows- based simulation model provides an easy-to-use package that allows estimation of composition changes of zeotropic blends in leak and recharge processes for either

Community Risk Ratings for the FireCARES System

October 15, 2018
Author(s)
Stanley W. Gilbert
The FireCARES project is a web-based tool intended to help fire departments effectively match resources to community risk. Among other things that includes estimates of the community risk and estimates of effectiveness of response. This report documents
Displaying 12601 - 12625 of 17284
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