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Standards

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Displaying 126 - 150 of 823

A Guide to United States Personal Protective Equipment Compliance Requirements

February 1, 2023
Author(s)
Jennifer Marshall, Erik Puskar, Lisa Benson
This Guide addresses compliance requirements for personal protective Equipment (PPE) used in the workplace, except for PPE used in a nuclear or medical setting. Several U.S. federal agencies administer regulations associated with Personal Protective

Measurement of Transient Environmental Effects in GPS-Disciplined Clocks

January 23, 2023
Author(s)
Andrew Novick, Michael A. Lombardi, Demetrios Matsakis, John Clark
GPS-disciplined clocks (GPSDCs) are designed to optimize the accuracy and stability of their pulse-per-second (PPS) and frequency outputs by steering an internal oscillator to the timing solution from a GPS receiver based on the received satellite signals

CREDIBILITY CONSIDERATION FOR DIGITAL TWINS IN MANUFACTURING

December 16, 2022
Author(s)
Guodong Shao, Joe Hightower, William Schindel
Digital Twin has become an important technology for advanced manufacturing. However, to ensure that digital twins provide valuable decision support, the results generated by the digital twins must be trustworthy for real manufacturing systems. Model

Development of an Improved Standard Reference Material for Folate Vitamers in Human Serum

December 12, 2022
Author(s)
Johanna Camara, Jeanita Pritchett, Yasmine Daniels, Mary Bedner, Michael Nelson, Mark Lowenthal, Zia Fazili, Christine Pfeiffer, Karen W. Phinney, Katherine E. Sharpless, Lane C. Sander, Katrice Lippa, James H. Yen, Adam Kuszak, Stephen Wise
The US National Institute of Standards and Technology (NIST) developed a Standard Reference Material® (SRM®) 3949 Folate Vitamers in Frozen Human Serum to replace SRM 1955 Homocysteine and Folate in Human Serum. The presence of increased endogenous levels

Gas Flow Standards and Their Uncertainty

December 12, 2022
Author(s)
John D. Wright, Aaron Johnson, Michael R. Moldover, Shin-ichi Nakao
We review diverse types of gas flow standards that are used to calibrate other gas flow meters. For each type of standard, we describe the principles of its operation and at least one hardware example. We identify the practical limits of the example's

Integrated Sensing and Communication: Enabling Techniques, Applications, Tools and Datasets, Standardization, and Future Directions

December 1, 2022
Author(s)
Jian Wang, Neeraj Varshney, Camillo Gentile, Steve Blandino, Jack Chuang, Nada T. Golmie
The design of integrated sensing and communication (ISAC) systems has drawn recent attention for its capacity to solve a number of challenges. Indeed, ISAC can enable numerous benefits, such as the sharing of spectrum resources, hardware, and software, and

The Path to Cloud Federation through Standardization

November 25, 2022
Author(s)
Robert B. Bohn
This paper describes the efforts of the NIST Cloud Computing Program in the development of understanding the federated cloud concept through the creation of a reference architecture, cooperation with the IEEE and resulting in the publication IEEE 2302-2021

Towards a consensus on a continuous Coordinated Universal Time

November 25, 2022
Author(s)
Judah Levine, Patrizia Tavella, Martin Milton
This paper discusses the considerations that were important in 1972, when the current leap second system was adopted, to maintain UTC, the international reference time scale, closely connected to UT1 – a time scale based on the rotation of the Earth

Evaluating Inter-Laboratory Comparison Data

November 3, 2022
Author(s)
Enrico Frahm, John D. Wright
The primary purpose of inter-laboratory comparisons is to demonstrate that the uncertainty specifications of the calibration measurement capabilities of the participating laboratories are correct. The most common criterion for assessing a participating

Cryptographic Standards in a Post-Quantum Era

November 2, 2022
Author(s)
Dustin Moody, Angela Robinson
If large-scale quantum computers are ever built, they will compromise the security of many commonly used cryptographic algorithms. In response, the National Institute of Standards and Technology is in the process of standardizing new cryptographic

An Interlaboratory Study of Potential Visible Protein-Like Particle Standards

November 1, 2022
Author(s)
Srivalli Telikepalli, Michael J. Carrier, Dean C. Ripple
Visible protein-like particle standards can improve visual inspection and/or appearance testing practices used in the biotechnology industry. It will improve assay performance resulting in better alignment and more standardized training among different

Semi-automated assembly of high-quality diploid human reference genomes

October 19, 2022
Author(s)
Erich Jarvis, Giulio Formenti, Jennifer McDaniel, Nathanael David Olson, Justin Wagner, Justin Zook, Kerstin Howe, Karen Miga
The current human reference genome, GRCh38, represents over 20 years of effort to generate a high-quality assembly, which has benefitted society. However, it still has many gaps and errors, and does not represent a biological genome as it is a blend of
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