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Standards

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Displaying 76 - 100 of 823

From animal testing to in vitro systems: advancing standardization in microphysiological systems

February 15, 2024
Author(s)
Darwin Reyes-Hernandez, Mandy Esch, Lorna Ewart, Rohollah Nasiri, Anna Herland, Carolina Lucchesi, Kyung Sung, MONICA PIERGIOVANNI, Jelena Vukasinovic, James Shoemaker, Nureddin Ashammakhi
Limitations with cell cultures and experimental animal-based studies have had the scientific and industrial communities searching for new approaches that can provide reliable human models for applications such as drug development, toxicological assessment

Advancing Measurement Science for Microelectronics: CHIPS R&D Metrology Program

February 13, 2024
Author(s)
Marla L. Dowell, Hannah Brown, Gretchen Greene, Paul D. Hale, Brian Hoskins, Sarah Hughes, Bob R. Keller, R Joseph Kline, June W. Lau, Jeff Shainline
The CHIPS and Science Act of 2022 called for NIST to "carry out a microelectronics research program to enable advances and breakthroughs....that will accelerate the underlying R&D for metrology of next-generation microelectronics and ensure the

Certification of Standard Reference Material(R) 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)

January 25, 2024
Author(s)
Thomas W. Vetter, Colleen E. Bryan Sallee, Brian Lang, Anthony F. Marlow, Jennifer Ness, Rick L. Paul, Adam L. Pintar, Bruce Scruggs, Nicholas Sharp, Maria Isabel Vega Martinez, John Sieber
Standard Reference Material (SRM) 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) is intended for use in the evaluation of techniques employed in the determination of sulfur, mercury, chlorine, and ash in coal and materials of a similar matrix

Reference Correlations for the Density and Thermal Conductivity, and Review of the Viscosity Measurements, of Liquid Titanium, Zirconium, Hafnium, Vanadium, Niobium, Tantalum, Chromium, Molybdenum, and Tungsten

January 22, 2024
Author(s)
Eleftheria Ntonti, Sofia Sotiriadou, Marc Assael, Marcia L. Huber, Boris Wilthan, Manabu Watanabe
The available experimental data for the density, thermal conductivity, and viscosity of liquid titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, and tungsten have been critically examined with the intention of establishing

Toward a Standard Data Architecture for Additive Manufacturing

January 16, 2024
Author(s)
Shengyen Li, Shaw C. Feng, Alexander Kuan, Yan Lu
To advance the additive manufacturing (AM) technologies, R&D projects may evaluate new facilities and different processes that need a scalable data architecture to accommodate the progressing knowledge. This work introduces a data pedigree to enable the

Employing Word-Embedding for Schema Matching in Standard Lifecycle Management

December 29, 2023
Author(s)
Hakju Oh, Boonserm Kulvatunyou, Albert T. Jones, Tim Finin
Today, businesses rely on numerous information systems to achieve their production goals and improve their global competitiveness. Semantically integrating those systems is essential for businesses to achieve both. To do so, businesses must rely on

An investigation into an approach for automated supply chain onboarding

November 21, 2023
Author(s)
Elena Jelisic, Nenad Ivezic, Boonserm Kulvatunyou, Perawit Charoenwut, Ana Nikolov
The COVID-19 pandemic has brought the cold chain for bio-pharmaceutical products to the spotlight. To preserve their structure and function, biopharmaceuticals such as cells, proteins and enzymes, RNA molecules, and RNA-based drugs (e.g., mRNA-based COVID

Fundamental Equation of State for Fluid Tetrahydrofuran

October 9, 2023
Author(s)
Felix Fiedler, Joel Karog, Eric W. Lemmon, Monika Thol
An empirical equation of state in terms of the Helmholtz energy for tetrahydro- furan is presented. In the validity range from the triple-point temperature up to 550 K and pressures up to 600 MPa, the equation of state enables the calculation of all

NIST's Antenna Gain and Polarization Calibration Service Reinstatement

October 9, 2023
Author(s)
Josh Gordon, Benjamin Moser
After a five-year renovation of the National Institute of Standards and Technology (NIST) Boulder, CO, antenna measurement facility, the Antenna On-Axis Gain and Polarization Measurements Service SKU63100S was reinstated with the Bureau International des

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
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