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NIST Authors in Bold

Displaying 851 - 875 of 17262

An Overview of the U.S. Approach to Standards, Conformity Assessment, and Metrology

December 1, 2004
Author(s)
E M. Parker
… The U.S. standards and conformity assessment system is complex and … of those involved in the U.S. system. It addresses standards, conformity assessment and metrology concepts and … bodies, metrology, NIST, standardization, standards development … An Overview of the U.S. Approach to Standards, Conformity Assessment, and Metrology …

Accurate Volume Determination for Low Gas Flow Standards

March 17, 2026
Author(s)
Jodie Pope, Christopher Crowley, Max Low, John Wright, Aaron Johnson
… The National Institute of Standards and Technology (NIST) has developed the … cm³/min. SLowFlowS incorporates two independent RoR standards, based on collection tanks of nominal volumes 2.5 liters and 0.3 liters, respectively. These standards have associated relative expanded uncertainties of …

A Comparison of Cs Fountain Primary Frequency Standards

April 23, 2008
Author(s)
Thomas E. Parker
… There are currently 9 cesium fountain primary frequency standards reporting calibrations of TAI to the Bureau … Circular T to evaluate the frequency offsets among these standards and to determine if these offsets are consistent …  The results of this investigation show that, overall, the standards are in very good agreement with each other. …

AC Josephson Voltage Standard Error Measurements and Analysis

April 1, 2003
Author(s)
Charles J. Burroughs, Samuel Benz, Paul Dresselhaus
… be considered in order to create an intrinsic ac voltage standard at these frequencies. These results and the … to move toward creating a practical ac Josephson voltage standard. … ac metrology, ac voltage standard, Josephson Voltage Standard … AC Josephson Voltage Standard Error Measurements and Analysis …

Towards Strategic Management of Standards Activities at NIST

March 1, 2000
Author(s)
K J. Leuteritz
… government agencies. It also describes the role of NIST's Standards Advisory Committee in defining a generic plan that … only each operating unit can tailor for managing its own standards activities, but other agencies can also use and … tailor for their own purposes. Examples of NIST's current standards support tools illustrate the important role they …

Investigations of Noise in Measurements of Electronic Voltage Standards

June 1, 2004
Author(s)
Thomas J. Witt, Yi-hua D. Tang
… We have studied the voltage noise of electronic voltage standards based on Zener diode references (Zeners). Ten volt Zener outputs were compared to NIST Josephson standards using a DVM to record voltage differences. The data … of Noise in Measurements of Electronic Voltage Standards …

Raman Intensity Calibration With Glass Luminescence Standards

January 1, 2000
Author(s)
E S. Etz, Wilbur S. Hurst, Steven J. Choquette
… This Paper describes the NIST development of standards and procedures for the calibration of the Raman … based on the NIST proposal of the use of luminescent glass standards for the transfer of the white light calibration to … function. Reported are the results from this Raman Standards Project presently focused on Raman work with …

A 10 V programmable Josephson voltage standard and its applications for voltage metrology

September 3, 2012
Author(s)
Yi-hua D. Tang, Vijay Ojha, Stephan Schlamminger, Alain Rufenacht, Charles J. Burroughs, Paul D. Dresselhaus, Samuel P. Benz
… The concept of a programmable Josephson voltage standard was first proposed in 1997. Since then a significant … Josephson junction array and its deployment in a voltage standard system. This paper reports the recent development of a 10 V programmable Josephson voltage standard (PJVS) system at the National Institute of Standards …

Standards of time and frequency at the outset of the 21st century

November 19, 2004
Author(s)
Scott Diddams, James C. Bergquist, Steven R. Jefferts, Christopher W. Oates
… paper we review state-of-the-art atomic time and frequency standards and discuss some of their uses in science and … for still improved timekeeping. Time and frequency standards with various levels of performance are ubiquitous … atomic clock, microwave and optical frequency standards, time standards …

NIST Reference Colorimeter

May 9, 2005
Author(s)
Maria E. Nadal, Robert R. Bousquet, Gael Obein
… Optical Technology Division at the National Institute of Standards and Technology (NIST) developed a reference … Granada, SP …

NIST Cryptographic Standards and Guidelines Development Process

March 31, 2016
Author(s)
Andrew R. Regenscheid
… processes and procedures that drive cryptographic standards and guidelines development efforts at the National Institute of Standards and Technology. This document reflects public … serve as the basis to guide NIST's future cryptographic standards and guidelines development efforts. It will be …

Characterizing Uncertainty of a Formaldehyde Reference Standard

April 18, 2016
Author(s)
Dustin Poppendieck
… of the proposed rule a Formaldehyde Reference Standard (FRS) is being developed by the National Institute … Chamber testing, formaldehyde, reference standard … Characterizing Uncertainty of a Formaldehyde Reference Standard …

Standards as Enablers for a Circular Economy

June 30, 2023
Author(s)
KC Morris, Vincenzo Ferrero, Buddhika Hapuwatte, Noah Last, Nehika Mathur
… practices thereby reducing the risk in their adoption. Standards created by voluntary consensus bodies are uniquely … circumstances and communicate them through published standards. Standards are developed by systematically determining the … circular economy, standards, ASTM, ISO, carbon avoidance, smart manufacturing …

The Development of Fluorescence Intensity Standards

March 1, 2001
Author(s)
Adolfas K. Gaigalas, L. Li, O. Henderson, R F. Vogt, J. Barr, G E. Marti, J. Weaver, A. Schwartz
… personnel who will use the fluorescence intensity standards. We realize that the development and use of FIS … fluorescence intensity, quantitative fluorescence, standards … The Development of Fluorescence Intensity Standards …

Calibration of Dissipation Factor Standards

July 1, 1998
Author(s)
Eric D. Simmon, Gerald FitzPatrick, O. Petersons
… Dissipation factor (D) standards obtained by connecting a shielded three-terminal … for calibration purposes. An analysis of these DF Standards, including precautions in their construction and … Calibration of Dissipation Factor Standards …

Certification of Standard Reference Material(R) 1936 Great Lakes Sediment

September 23, 2021
Author(s)
Jacqueline Bangma, Debra Ellisor, Michael Ellisor, N. Alan Heckert, Jennifer Hoguet, Kevin Huncik, Jennifer Ness, Jessica Reiner
… Standard Reference Material (SRM) 1936 Great Lakes Sediment … Fresh-water sediment, Standard Reference Material (SRM), Perfluorooctane sulfonate … Certification of Standard Reference Material(R) 1936 Great Lakes Sediment …

Certification of Standard Reference Material(R) 956e Electrolytes in Frozen Human Serum

April 2, 2025
Author(s)
Lee Yu, Steven Christopher, Regina Easley, Monique Johnson, Dennis Leber, Thomas Vetter, Jason Waters, Charles Barber, Karen Murphy, Laura Wood, Stephen Chin, Murli Narayan, Alexander Rhodes, Michael Nash
… The National Institute of Standards and Technology (NIST) Standard Reference Material® (SRM®) 956e Electrolytes in … in Clinical Laboratory Standards Institute (CLSI) Standard C29-A2, Standardization of Sodium and Potassium … Electrolyte, Human serum, Standard Reference Material (SRM), Calcium (Ca), Ionized …
Displaying 851 - 875 of 17262
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