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Displaying 776 - 800 of 17262

The ABCs of Using Standard Reference Materials in the Analysis of Foods and Dietary Supplements: A Practical Guide

September 16, 2015
Author(s)
Katherine E. Sharpless, David L. Duewer, Katrice A. Lippa, Andrew L. Rukhin
… and Technology (NIST) has been producing food-matrix Standard Reference Materials (SRMs) since the mid-1970s. … Certified reference material, Standard Reference Material, quality control, food, dietary … The ABCs of Using Standard Reference Materials in the Analysis of Foods and …

Error Measurements and Analysis for an AC Josephson Voltage Standard

June 1, 2002
Author(s)
Charles J. Burroughs, Samuel Benz, Paul Dresselhaus
… be considered in order to create an intrinsic ac volrage standard at these frequencies. These results and the … to move toward creating a practical ac Josephson voltage standard. … ac voltage standard, Josephson voltage standard … Error Measurements and Analysis for an AC Josephson Voltage Standard …

Standards Needs for Circular Textiles Workshop Report

December 2, 2024
Author(s)
Kelsea Schumacher, Amanda Forster
… held in collaboration with the National Institute of Standards and Technology, ASTM International, and the … Chemists and Colorists (AATCC) explored the role of standards in facilitating the transition to a circular … economy for textiles. This workshop examined the need for standards in the areas of terminology, sorting, recycling, …

Comparison of Tritiated-Water Standards by Liquid Scintillation for Calibration of a New Standard Reference Material

March 5, 2016
Author(s)
Ronald Colle, Lizbeth Laureano-Perez, Denis E. Bergeron
… A new National Institute of Standards and Technology (NIST) tritiated-water (3H-labeled oxidane) standard was prepared and calibrated. It is the 17th in a series of linked standards since 1954 and will be disseminated as Standard … hydrogen-3, liquid scintillation (LS), NIST, standard, Standard Reference Material (SRM), triple-to-double …

Simple UML Modeling to Improve the Development of Information Standards

September 24, 2005
Author(s)
Eric D. Simmon, John V. Messina, Arthur Griesser
… Streamlining and Bulletproofing the Standards Development Process In the increasingly complex … information) is becoming massive. Building information standards to transfer data between different stakeholders is … with their own set of needs and priorities. Traditional standards committees often follow an ad-hoc approach where …

Computer Representations of Design Standards and Building Codes: U.S. Perspective.

June 1, 1995
Author(s)
Steven J. Fenves, K A. Reed, J H. Garrett, H Kiliccote, K H. Law
… Standards representation and processing in the United States … to that standard. To date, for a variety of reasons, standards writing organizations and computer-aided design … functionalities, such as more support for use of design standards in earlier phases of design; support the treatment …

Topography measurements for correlations of standard cartridge cases

July 1, 2010
Author(s)
Theodore V. Vorburger, Jun-Feng Song, Wei Chu, Thomas Brian Renegar, Xiaoyu Alan Zheng, James H. Yen, Robert M. Thompson, Richard M. Silver, Benjamin Bachrach, Martin Ols
… NIST Standard Reference Materials (SRM) 2460 Standard Bullets and 2461 Standard Cartridge Cases are intended for use as check … Forensic science, ballistics identification, standard bullet, standard casing, topography measurement, confocal … Topography measurements for correlations of standard cartridge cases …

Impact of Model-Driven Standards

January 1, 2003
Author(s)
David W. Flater
… Request Broker Architecture and Unified Modeling Language standards) is making the transition from a standards architecture in which only interface definitions … the implications and ramifications of this move for standards-based interoperability, technological change, …

Lumped-Element Impedance Standards

June 1, 1998
Author(s)
Dylan F. Williams, Dave K. Walker
… parameters of commercial lumped-element impedance standards manufactured for the calibration of on-wafer … Lumped-Element Impedance Standards …

North American Standards and Specifications for Portland Cement

February 19, 2017
Author(s)
J H. Pielert, G J. Frohnsdorff
… in the United States on the development of portland cement standards was conducted by the American Society of Civil … for Portland Cement was published in 1916. Portland cement standards have evolved over the years. This paper gives background information on the development of standards for the chemical and physical characteristics of …

Frequency Uncertainty Analysis for Josephson Voltage Standard

June 1, 2004
Author(s)
Yi-hua D. Tang, Michael A. Lombardi, David A. Howe
… uncertainty in voltage measurement in a Josephson voltage standard (JVS) is proportional to the uncertainty of … Allan variance, frequency standard, Josephson voltage standard, uncertainty … Frequency Uncertainty Analysis for Josephson Voltage Standard …

Intercomparison Tests of NRLM Transfer Standard with the Primary Standards of NIST, BNM-LNE, OFMET and PTB for Small Mass Flow Rates of Nitrogen Gas

January 1, 1998
Author(s)
John D. Wright, Shin-ichi Nakao
… The NRLM transfer standard was brought to the following national laboratories … April 1996 to June 1998 and compared with their primary standards over the flow range from 0.01 g/min to 100 g/min of nitrogen gas: the National Institute of Standards and Technology (NIST), the Swiss Federal Office of …

A 100 Tohm Guarded Hamon Transfer Standard

August 24, 2014
Author(s)
Dean G. Jarrett, Edward O'Brien, Marlin E. Kraft
… levels. An improved design for a guarded Hamon transfer standard in the range from 1 TΩ to 100 TΩ is described. … nominal value. Key aspects of this guarded Hamon transfer standard are the elimination of charge-storing materials in … Measurement, standard resistor, guarded Hamon transfer standard, settling …

Standard Reference Materials Catalog - January 2007

January 2, 2007
Author(s)
Regina R. Montgomery, Joan C. Sauerwein
… NIST Standard Reference Materials (SRMs) are used by industry, … NIST products, NIST SRMs, reference materials, standard reference materials, traceability … Standard Reference Materials Catalog - January 2007 …

Reference Standards, Uncertainties, and the Future of the NIST Electronic Kilogram

July 1, 1999
Author(s)
Richard L. Steiner, David B. Newell, J. Schwarz, Edwin R. Williams
… The National Institute of Standards and Technology (NIST) watt balance experiment … calibration work necessary to maintain several reference standards and subsystems for this experiment, and mentions … Proc. 1999 National Conference of Standards Laboratories Workshop and Symposium (NCSL) …

Nanotechnology--From Promising to Practical: The Role of Standards

February 19, 2017
Author(s)
Stephen W. Freiman
… materials such as these will demand that consensus-based standards, e.g., common characterization and measurement techniques, be established. Such standards help facilitate commerce through more reproducible … and harmonized performance characteristics. In addition, standards can lend credibility to a new material, and help to …

Healthcare Standards Landscape Users Guide

December 1, 2006
Author(s)
Elizabeth N. Fong, Roy S. Morgan, Thomas R. Rhodes, Clement Ridoret
… The Health Care Standards Landscape Web site is a project to develop and … (called the Landscape) on health care standards and other related standards. This document is users guide on how to access the … care, health care information, patient record, repository, standards, standards development, users guide, web-based …

Standards of Current and Capacitance Based on Single-Electron Tunneling Devices

January 1, 2001
Author(s)
Mark W. Keller
… Fundamental standards of current and capacitance based on the transfer of … The current status of several schemes for realizing such standards is reviewed. The impact of these standards on metrology and fundamental constants is discussed. … Standards of Current and Capacitance Based on Single-Electron …
Displaying 776 - 800 of 17262
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