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NIST Authors in Bold

Displaying 226 - 250 of 74030

Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality

December 18, 2023
Author(s)
Lisa Warfield, John McGuire, Katrice Lippa
NIST Handbook 130 includes a compilation of model laws and regulations and related interpretations and guidelines designed to encourage uniformity in adoption and implementation of weights and measures laws and regulations. The model laws and regulations

Recommendations from the Ocean Carbonate System Intercomparison Forum: Quantifying and reducing uncertainties in the calculations of carbonate system equilibrium in the oceans

December 14, 2023
Author(s)
Brendan Carter, Jonathan Sharp, Andrew Dickson, Marta Alvarez, Michael Fong, Maribel Garcia-Ibanez, Ryan Woosley, Takeshita Yuichiro, Leticia Barbero, Robert Byrne, Wei-Jun Cai, Melissa Chierici, Simon Clegg, Regina Easley, Andrea Fassbender, Kalla Fleger, Xinyu Li, Macarena Martin-Mayor, Katelyn Schockman, Aleck Wang Zhaohui
The ocean carbonate system is critical to monitor because it plays a major role in regulating Earth's climate and marine ecosystems. It is monitored using a variety of measurements, and it is commonly understood that all major components of the seawater

Spatially-Dependent Model for Rods and Cones in the Retina

December 14, 2023
Author(s)
Daniel M. Anderson, Danielle Brager, Anthony J. Kearsley
We develop a mathematical model for photoreceptors in the retina. We focus on rod and cone outer segment dynamics and interactions with a nutrient source associated with the retinal pigment epithelium cells. Rod and cone densities (number per unit area of

Advancements in Computational Wind Engineering Workshop Report

December 13, 2023
Author(s)
Long Phan
In September 2022, the Structural Engineering Institute of the American Society of Civil Engineers commenced a project under National Institute of Standards and Technology Contract No. 133ND22PNB730391 to develop workshops on Advancement in Computational

Automated interpretation of firearm mark comparison results

December 13, 2023
Author(s)
Martin Baiker-Sorensen, Ivo Alberink, Laura Granell, Leen van der Ham, Erwin J.A.T. Mattijssen, Erich Smith, Johannes A. Soons, Peter Vergeer, Xiaoyu Alan Zheng
In this article an automated approach for interpretation of firearm mark comparison results is presented. First, similarity scores are derived for marks typically encountered on primers of fired cartridge cases: aperture shear striations as well as

Kerr-induced synchronization of a cavity soliton to an optical reference

December 13, 2023
Author(s)
Gregory Moille, Jordan Stone, Michal J. Chojnacky, Curtis Menyuk, Kartik Srinivasan
The phase-coherent frequency division of a stabilized optical reference laser to the microwave domain is made possible by optical-frequency combs (OFCs). OFC-based clockworks lock one comb tooth to a reference laser, which probes a stable atomic transition

Maintenance and Operations of Manufacturing Digital Twins

December 13, 2023
Author(s)
Alp Akcay, Stephan Biller, Boon Ping Gan, Christoph Laroque, Guodong Shao
Digital twins have become an important element in smart manufacturing. As any other product, digital twins also have a lifecycle, starting from specifying the requirements of the digital twins until their decommissioning. As part of the Manufacturing and

Best practices in NMR metabolomics: Current state

December 12, 2023
Author(s)
Tracey Schock, Amanda Bayless, Goncalo Gouveia, Robert Powers, Valerie Copie, John Cort, Hamid R. Eghbalnia, Wimal Pathmasiri, David S Wishart, Erik Andersson, Robert Brua, Leo Cheng, Chaevien Clendinen, Darcy Cochran, Alexandra Crook, Michah Jeppesen, Amith Maroli, Matthew Merritt, Heidi Roth, Isin Sakallioglu, Saurav Sarma, Lloyd Sumner, Panteleimon Takis, Mario Uchimiya
A literature survey was conducted to identify current practices used by NMR metabolomics investigators. A total of 463 papers from 2020 and 80 papers from 2010 were selected from PubMed. The papers were manually analyzed by a team of investigators to

Flexible formulation of value for experiment interpretation and design

December 12, 2023
Author(s)
Matthew Carbone, Hyeong Jin Kim, Chandima Fernando, Shinjae Yoo, Daniel Olds, Howie Joress, Brian DeCost, Bruce D. Ravel, Yugang Zhang, Phillip Michael Maffettone
The challenge of optimal design of experiments pervades materials science, physics, chemistry, and biology. Bayesian optimization has been used to address this challenge but requires framing experimental campaigns through the lens of maximizing some

Intelligent Flexible Manufacturing Cell

December 11, 2023
Author(s)
Ethan Hollingsworth, Eric Holterman, Allison Barnard Feeney
Designed around Industry 4.0 based digital technology, flexible manufacturing cells are envisioned to comprise a variety of machines capable of peer-to-peer communication, learning, and adaptation with the end goal of creating a standards-based, brand

NIST Office of Weights and Measures (OWM) Recognition Program Handbook, 7th Edition

December 11, 2023
Author(s)
Micheal Hicks, Georgia L. Harris, Katrice Lippa, Isabel Chavez Baucom, Elizabeth Koncki
Handbook 143 provides the National Institute of Standards and Technology (NIST) Office of Weights and Measures (OWM) performance standards and formalized procedures for the voluntary recognition of State legal metrology laboratories. This 2023 edition

O-RAN with Machine Learning in ns-3

December 11, 2023
Author(s)
Wesley Garey, Tanguy Ropitault, Richard A. Rouil, Evan Black, Weichao Gao
The Open Radio Access Network (O-RAN) Alliance is an industryled standardization effort, with the main objective of evolving the Radio Access Network (RAN) to be open, intelligent, interoperable, and autonomous to support the ever growing need of improved

Robotic Antenna Measurements

December 11, 2023
Author(s)
Josh Gordon
Robots excel at manipulating objects with 6 degree of freedom movement. A combination of well-defined kinematics, optimized control loops, and robust mechanical architecture make robots a versatile and capable platform for a range of applications where

Simulating Job Replication Versus its Energy Usage

December 10, 2023
Author(s)
Brian D. Cloteaux, Vladimir Marbukh
Due to the proliferation of computers in all aspects of our lives, the energy and ecological impacts of computing are becoming increasing important. Some of the transformative algorithms of recent years generate huge amounts of carbon dioxide, potentially

Transition Metal Dichalcogenides: Making Atomic-Level Magnetism Tunable with Light at Room Temperature

December 10, 2023
Author(s)
Valery Ortiz Jimenez, Yen Pham, Da Zhou, Mingzu Liu, Florence Ann Nugera, Vijaysankar Kalappattil, Tatiana Eggers, Khang Hoang, Dinh Loc Duong, Mauricio Terrones, Humberto Rodriguez Gutierrez, Manh-Huong Phan
The capacity to manipulate magnetization in 2D dilute magnetic semiconductors (2D-DMSs) using light, specifically in magnetically doped transition metal dichalcogenide (TMD) monolayers (M-doped TX2, where M = V, Fe, and Cr; T = W, Mo; X = S, Se, and Te)

The Design and Application of a Unified Ontology for Cyber Security

December 9, 2023
Author(s)
Ashrafi Akbar, Fariha Rahman, Anoop Singhal, Latifur Khan, Bhavani Thuriasingham
Ontology enables semantic interoperability, making it highly valuable for cyber threat hunting. Community-driven frameworks like MITRE ATT&CK, D3FEND, ENGAGE, CWE and CVE have been developed to combat cyber threats. However, manually navigating these

INTERNATIONAL ROADMAP FOR DEVICES AND SYSTEMSTM 2023 EDITION METROLOGY

December 8, 2023
Author(s)
Elisabeth Mansfield, Bryan Barnes, R Joseph Kline, Andras E. Vladar, Yaw S. Obeng, Albert Davydov
The Metrology Chapter identifies emerging measurement challenges from devices, systems, and integration of new materials in the semiconductor industry and describes research and development pathways for meeting them. This includes but not limited to

Automation Support for Control Assessments - Project Update and Vision

December 6, 2023
Author(s)
Eduardo Takamura, Jeremy Licata, Victoria Yan Pillitteri
In 2017, NIST published a methodology for supporting the automation of SP 800-53 control assessments in the form of IR 8011. IR 8011 is a multi-volume series that starts with an overview of the methodology (volume 1) and provides guidance and
Displaying 226 - 250 of 74030