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Standards

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Displaying 101 - 125 of 830

The NIST Silicon Lattice Comparator Upgrade

October 3, 2023
Author(s)
Marcus Mendenhall, James Cline, Csilla Szabo-Foster, Albert Henins
The NIST Silicon lattice comparator has ben in service in various forms since the 1970s. It is capable of measuring the difference in lattice spacing between specimens of high-quality float-zone silicon to delta-d/d approximately 6e-9. It has recently

Demystifying Accreditation A Framework for Accreditation of Forensic Units

October 1, 2023
Author(s)
Nicole Jones, Erin Forry, Donna J. Sirk
Accreditation is a formal recognition by an independent third party/accreditation body that a forensic service provider such as a laboratory, unit, or agency,a meets standards. A standard is a requirement or guideline used to ensure that a process or

Guide to Operational Technology (OT) Security

September 28, 2023
Author(s)
Keith A. Stouffer, Michael Pease, CheeYee Tang, Timothy Zimmerman, Victoria Yan Pillitteri, Suzanne Lightman, Adam Hahn, Stephanie Saravia, Aslam Sherule, Michael Thompson
This document provides guidance on how to secure operational technology (OT) while addressing their unique performance, reliability, and safety requirements. OT encompasses a broad range of programmable systems and devices that interact with the physical

Multi'omic Characterization of Human Whole Stool RGTMs

September 8, 2023
Author(s)
Amanda Bayless, Sandra Da Silva, William Davis, Abraham Kuri Cruz, Tracey Johnston, Stephanie Servetas, Paulina Piotrowski
The gut microbiome plays a critical role in a vast and disparate set of health and disease states, including cancer and obesity. Human fecal is a complex mixture including microbes, proteins, undigested plant matter and fat content according to the diet

Safeguarding International Science: Research Security Framework

August 31, 2023
Author(s)
Gregory F. Strouse, Claire M. Saundry, Timothy Wood, Philip Bennett, Mary Bedner
The U.S. science and research ecosystem retains its leadership by actively engaging with the global community through the conduct of mutually beneficial collaborative research and the welcoming of international scientists. Coupled with that, the national

National Institute of Standards and Technology Environmental Scan 2023: Societal and Technology Landscape to Inform Science and Technology Research

August 23, 2023
Author(s)
Ashley Russell, Kerrianne Buchanan, David Griffith, Heather Evans, Dimitrios Meritis, Lisa Ng, Anna Sberegaeva, Michelle Stephens
The 2023 National Institute of Standards and Technology Environmental Scan provides an analysis of key external factors that could impact NIST and the fulfillment of its mission in coming years. The analyses were conducted through three separate lenses

An Evolving Regulatory Landscape for Commercial Electric Vehicle Fueling

August 22, 2023
Author(s)
Tina G. Butcher, Michael Nelson
Plug-in electric vehicles (PEV), which include "all-electric" battery EV (BEV) and plug-in hybrid EV (PHEV), comprise a rapidly growing proportion of the U.S. automobile market – nearly 8% of all light-duty vehicles sold in Oct. 2022, a 41.4% rise over

Recommendations for Setting a Criterion for Assessing Commutability of Secondary Calibrator Certified Reference Materials

August 11, 2023
Author(s)
W. Greg Miller, Thomas Keller, Jeffrey Budd, Jesper Johansen, Mauro Panteghini, Neil Greenberg, Vincent Delatour, Ferruccio Ceriotti, Robert Rej, Johanna Camara, Liesbet Deprez, Finlay MacKenzie, Alicia Lyle, Eline van der Hagen, Chris Burns, Pernille Fauskanger, Sverre Sandberg
A secondary higher-order calibrator is required to be commutable with clinical samples to be suitable for use in the calibration hierarchy of an end-user clinical laboratory in vitro diagnostic medical device (IVD-MD). Commutability is a property of a

Synthetic Aperture RF Reception using Rydberg Atoms

August 2, 2023
Author(s)
Nik Prajapati, Aly Artusio-Glimpse, Matt Simons, Samuel Berweger, Drew Rotunno, Maitreyi Jayaseelan, Kaleb Campbell, Christopher L. Holloway
Rydberg atoms show great promise for use as self-calibrated electric field sensors for a broad range of frequencies. Their response is traceable to the international system of units making them a valuable tool for a variety of applications including

Redundant Ballistic Chronograph Configuration for Body Armor Testing

July 28, 2023
Author(s)
Michael A. Riley, Nicholas G. Paulter Jr., Dwight D. Barry
A new configuration of the light screen pairs used in a redundant ballistic chronograph is described. This configuration complies with current ASTM International and National Institute of Justice requirements for measuring the ballistic performance of body

Enabling FAIR Data in Additive Manufacturing to Accelerate Industrialization

July 24, 2023
Author(s)
Shengyen Li, Yan Lu, Kareem Aggour, Peter Coutts, Brennan Harris, Alex Kitt, Afina Lupulescu, Luke Mohr, Mike Vasquez
Additive manufacturing (AM) is an important enabler of Industry 4.0 but there are several hurdles that need to be overcome to fully realize the potential of AM. These challenges include the need for a data infrastructure to enable the scaling of the

Standards as Enablers for a Circular Economy

June 30, 2023
Author(s)
KC Morris, Vincenzo Ferrero, Buddhika Hapuwatte, Noah Last, Nehika Mathur
A successful transition to a circular economy (CE) will require global participation, but the path to that transition will follow many unique routes depending on local situations. The transition must have rigorous technical underpinnings and well-conceived

In Vivo Quantitative MRI T1 and T2 Measurements of the Human Brain at 0.064 T

May 20, 2023
Author(s)
Kalina Jordanova, Michele Martin, Stephen Ogier, Megan Poorman, Katy Keenan
Object : Tissue relaxation of the brain is measured in vivo at 0.064 T. This work contributes to research efforts targeted at measuring quantitative magnetic resonance imaging properties of the human body at lower field strengths, thereby increasing the

Advanced Encryption Standard (AES)

May 9, 2023
Author(s)
National Institute of Standards and Technology (NIST), Morris J. Dworkin, Meltem Sonmez Turan, Nicky Mouha
In 2000, NIST announced the selection of the Rijndael block cipher family as the winner of theAdvanced Encryption Standard (AES) competition. Three members of the Rijndael family arespecified in this Standard: AES-128, AES-192, and AES-256. These use
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