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Search Publications

NIST Authors in Bold

Displaying 12001 - 12025 of 13225

A framework to characterize WUI firebrand shower exposure using an integrated approach combining 3D particle tracking and machine learning

October 25, 2023
Author(s)
Nicolas Bouvet, Savannah Wessies, Eric Link, Stephen Fink
… Interface (WUI) communities threatened by wildfires. In this work, we propose a framework to better characterize … leverages the National Institute of Standards and Technology (NIST) Emberometer, a measurement device that … allows time-resolved motion tracking of burning particles in full 3D space. An improved version of the Emberometer, …

Dendritic Learning in Superconducting Optoelectronic Networks - Elastic Weight Collision at Dynamical Boundaries and Intermittent Validation for Early Convergence

August 28, 2023
Author(s)
Ryan O'Loughlin, Bryce Primavera, Jeff Shainline
… approach the fundamental limits of information processing in terms of speed and scalability. Overcoming the engineering … expected to be entirely implementable for on-chip learning in SOENs. … Dendritic Learning in Superconducting Optoelectronic Networks - Elastic Weight …

Youth understandings of online privacy and security: A dyadic study of children and their parents

August 7, 2023
Author(s)
Olivia Williams, Yee-Yin Choong, Kerrianne Buchanan
… security (OPS), and from where they gain this knowledge in order to best support their learning and online practices. … literature surrounding such youth understandings has gaps in depth and breadth that we aimed to address in this study. … Our findings offer promising suggestions for parents, technology providers, and future research. …

Predicting broadband resonator-waveguide coupling for microresonator frequency combs through fully connected and recurrent neural networks with and without attention mechanism

May 24, 2023
Author(s)
Ergun Simsek, Masoud Soroush, Gregory Moille, Kartik Srinivasan, Curtis Menyuk
… atomic clocks. Spectral features, such as the dispersion in their coupling to an access waveguide, are critical for … for the coupling response at wavelengths that are not used in the training data. In this work, we examine the accuracy of three neural network …

An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures

March 28, 2023
Author(s)
Peter Vouras, Kumar Vijay Mishra, Aly Artusio-Glimpse, Samuel Pinilla, Angeliki Xenaki, David W. Griffith, Karen Egiazarian
… Rapid developments in synthetic aperture (SA) systems, which generate a larger … single sensor alone, are leading to novel research avenues in several signal processing applications. The SAs may either … of higher frequency bands has led to wide SA bandwidths. In general, new techniques and setups are required to harness …

Time Transfer using High-Definition Television (HDTV) Broadcast Transmitters in Common View

January 23, 2023
Author(s)
Konstantin Tarasov, Bethany Bauer, Sebastian Olsen, Eugene Graver, Howard Feil, Jeffrey Sherman, Aidan Montare, Matthew J. Deutch, Glenn Nelson, Michael A. Lombardi, Timothy Marczewski, David A. Howe
… using high-definition television (HDTV) broadcast signals in common view. The system is comprised of a software defined … antenna, a digitally programmed crystal oscillator (DOCXO) in remote systems that is disciplined to the master system … of 210 m on the National Institute of Standards and Technology (NIST) campus in Boulder, Colorado. Future work is …

Measurement Challenges for Scaling Superconductor-based Quantum Computers

June 23, 2022
Author(s)
Pete Hopkins, Manuel Castellanos Beltran, John Biesecker, Paul Dresselhaus, Anna Fox, Logan Howe, David Olaya, Adam Sirois, Dylan Williams, Samuel P. Benz, Alirio De Jesus Soares Boaventura, Justus Brevik
… Global investment in the research and development of quantum information … Systems based on optical photons, atoms or ions, spins in semiconductors, and superconductor circuits are all being pursued. One of the most challenging technology hurdles for all these paradigms is scaling to the …

Development of Kudzu (Pueraria montana var. lobata) Reference Materials for the Determination of Isoflavones and Toxic Elements

February 21, 2022
Author(s)
J. Andreas Lippert, Kate Rimmer, Melissa M. Phillips, Michael Nelson, Chuck Barber, Laura J. Wood, Marie Ale, Kaitlyn Chieh, Stephen Long, Colleen E. Bryan Sallee, Shannon Whitehead, Katherine E. Sharpless, James H. Yen, Danica Raynaud, Joesph Betz, Adam Kuszak, Stephen Wise
… Health (NIH-ODS), the National Institute of Standards and Technology (NIST) recently issued a suite of new botanical … for the determination of isoflavones and toxic elements in kudzu dietary supplement ingredients. RM 8650 Pueraria … values for puerarin, which is an isoflavone not found in soy. …

International comparison CCQM-K10.2018: BTEX in nitrogen at 5 nmol mol-1

February 18, 2022
Author(s)
Christina Cecelski, George C. Rhoderick, Antonio Possolo, Jennifer Carney, Miroslav Vokoun, Jitka Privoznikova, Sangil Lee, Ji Hwan Kang, Yong Doo Kim, Dal Ho Kim, Tatiana Mace, Christophe Sutour, Celine Pascale, Napo Ntsasa, James Tshilongo, Mudalo Jozela, Nompumelelo Leshabane, Goitsemang Lekoto, David Worton, Paul Brewer, Fred Farrow-Dunn, Sergi Moreno, Klaus Wirtz, Volker Stummer, L.A. Konopelko, A.V. Kolobova, Y.A. Kustikov, A.Y. Klimov, O.V. Efremova, Janneke van Wijk, Adriaan van der Veen
… m-xylene and o-xylene (subsequently referred to as BTEX) in nitrogen. This key comparison was separated into two … each submitted one standard at nominal 5 nmol mol-1 BTEX in nitrogen. Comparison measurements were performed by the National Institute of Standards and Technology (NIST) from July to October 2018. The second …

Evaluation of the Bluetooth-based Proximity Estimation for Automatic Exposure Determination

February 10, 2022
Author(s)
Kamran Sayrafian, Brian D. Cloteaux, Vladimir Marbukh, Christian Emiyah
… methodology to estimate the proximity of two individuals in an automatic exposure notification system is using the … their mobile phones. However, there is an underlying error in this Bluetooth-based proximity detection that could result … us to gain a better understanding on how the underlying technology error propagates through the contact tracing …

ICSSC Biennial Progress Report for 2018: Report on Progress Towards Implementation of Executive Order 13717: Establishing a Federal Earthquake Risk Management Standard - Reporting Period: February 2, 2016 to February 1, 2018

October 21, 2021
Author(s)
John Harris, Katherine Johnson, Steven McCabe
… the Director of the National Institute of Standards and Technology (NIST) on their progress in implementing the order, commencing two years from the date … by the EO to summarize agency compliance of the order in the biennial NEHRP report to Congress. This report serves …

Superhydrophilic porous transport layer enhances effciency of polymer electrolyte membrane electrolyzers

October 20, 2021
Author(s)
Benzhong Zhao, ChungHyuk Lee, Jason K. Lee, Kieran F. Fahy, Jacob LaManna, Elias Baltic, David Jacobson, Daniel Hussey, Aimy Bazylak
… to its versatility and high energy density. A prominent technology for hydrogen generation is the polymer electrolyte … efficiency of PEM electrolyzers must improve dramatically in the coming years to become economically competitive at … operations. We show via electrochemical analyses and in operando neutron imaging that the improved efficiency …

Guidelines on Minimum Standards for Developer Verification of Software

October 6, 2021
Author(s)
Paul E. Black, Vadim Okun, Barbara Guttman
… May 2021, directs the National Institute of Standards and Technology (NIST) to recommend minimum standards for software … to look for possible hardcoded secrets • Use of built-in checks and protections • "Black box" test cases • … the minimum standards. The document was developed by NIST in consultation with the National Security Agency. …

Machine Learning for Access Control Policy Verification

September 16, 2021
Author(s)
Vincent C. Hu
Access control policy verification ensures that there are no faults within the policy that leak or block access privileges. As a software test, access control policy verification relies on methods such as model proof, data structure, system simulation, and

Performance of Externally Bonded Fiber Reinforced Polymer Retrofits in the 2018 Cook Inlet Earthquake in Anchorage, Alaska

August 11, 2021
Author(s)
Siamak Sattar, David Goodwin, Sandra Milev, Jazalyn Dukes, Christopher Segura
… the effort to improve the seismic performance of buildings in Alaska (AK), many of the deficient structures in Anchorage, AK were retrofitted—some with externally bonded … team from the National Institute of Standards and Technology (NIST) in collaboration with the University of …

Multiplatform Standards and Guidelines Publishing at NIST

May 20, 2021
Author(s)
Kathryn Miller
… The National Institute of Standards and Technology is a nonregulatory agency of the U.S. Department … and information systems. They are also used widely in the private sector. However, most of these publications are only available as PDFs. In 2019, the NIST Research Library began a pilot to publish a …

Challenge Design and Lessons Learned from the 2018 Differential Privacy Challenges

April 12, 2021
Author(s)
Diane Ridgeway, Mary Theofanos, Terese Manley, Christine Task
… using various statistical and machine learning methods in support of policy development. An area of increasing … and entities. A growing body of academic research in the field of differential privacy exists which claims … utility. In 2017 National Institute of Standards and Technology (NIST) Public Safety Communications Research …

PROperties of FIre Suppressant SYstems "PROFISSY" A Spreadsheet Application for Fire-Suppressant Bottle-Filling Calculations

January 8, 2021
Author(s)
Marcia L. Huber, Eric W. Lemmon
… US Army GVSC by the National Institute of Standards and Technology (NIST), Applied Chemicals and Materials Division … the temperature and pressure conditions at which the fluid in the vessel becomes single phase, and (2) given the vessel … the temperature and pressure conditions at which the fluid in the vessel becomes single phase. The agents include CF3I, …

The interactive effect of heat and mass transport on water condensation in the gas diffusion layer of a proton exchange membrane fuel cell

December 31, 2020
Author(s)
Po-Ya A. Chuang, Md A. Rahman, Felipe Mojica, Daniel S. Hussey, David L. Jacobson, Jacob LaManna
… Despite recent advancement in fuel cell technology, significant challenges remain in achieving high power density operation to meet the … effect of heat and mass transport on water condensation in the gas diffusion layer of a proton exchange membrane fuel …

The joint automated repository for various integrated simulations (JARVIS) for data-driven materials design

November 12, 2020
Author(s)
Kamal Choudhary, Kevin Garrity, Andrew C. Reid, Brian DeCost, Adam Biacchi, Angela R. Hight Walker, Zachary Trautt, Jason Hattrick-Simpers, Aaron Kusne, Andrea Centrone, Albert Davydov, Francesca Tavazza, Jie Jiang, Ruth Pachter, Gowoon Cheon, Evan Reed, Ankit Agrawal, Xiaofeng Qian, Vinit Sharma, Houlong Zhuang, Sergei Kalinin, Ghanshyam Pilania, Pinar Acar, Subhasish Mandal, David Vanderbilt, Karin Rabe
… of ≈40,000 materials and ≈1 million calculated properties in JARVIS-DFT, ≈500 materials and ≈110 force-fields in JARVIS-FF, and ≈25 ML models for material-property predictions in JARVIS-ML, all of which are continuously expanding. …

Lessons From the NIST Micronutrients Quality Assurance Program for Vitamin C, 1993 to 2015: Sample Stability, Assay Reproducibility, and Use of Controls to Improve Comparability

November 11, 2020
Author(s)
David L. Duewer, Jeanice M. Brown Thomas, Katherine E. Sharpless, S A. Margolis
… Vitamin C is a necessary micronutrient that is involved in many biological processes. In preserved human plasma and serum, vitamin C is most … 1993 through 2015, the National Institute of Standards and Technology (NIST) coordinated 40 interlaboratory studies …
Displaying 12001 - 12025 of 13225
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