Search Publications

NIST Authors in Bold

Displaying 1001 - 1025 of 1910

Extracting the electronic structure of light elements in bulk materials through a Compton scattering method in the readily accessible hard X-ray regime

May 28, 2024

Author(s)

Veenavee Kothalawala, Tejas Guruswamy, orlando Quaranta, Umeshkumar Manibhai Patel, Andrey Yakovenko, keith taddei, Meiying Zhang, Kelsey Morgan, Joel Weber, Daikang Yan, Daniel Swetz, Ilja Makkonen, Hemantha Kumar Yeddu, Arun Bansil, Antonino Miceli, Johannes Nokelainen, Bernardo Barbiellini

… to the readily accessible hard X-ray regime (below 30 keV). Our study suggests new possibilities for experiments …

Common Single-Use Consumer Plastic Products Release Trillions of Sub-100 nm Nanoparticles per Liter into Water during Normal Use

April 20, 2022

Author(s)

Christopher D. Zangmeister, James Radney, Kurt D. Benkstein, Berc Kalanyan

… the tested materials. Mean particle diameters were between 30 and 80 nm with few particles > 200 nm. The number of …

Optical Molasses Loaded from a Low-Velocity Intense Source of Atoms: An Atom Source for Improved Atomic Fountains

October 12, 2021

Author(s)

E A. Donley, Thomas P. Heavner, Steven R. Jefferts

… x 10(9) atoms, and the fill time constant was tau = 290(30) ms. The initial molasses fill rate was R-t=o = 3.8(5) x …

Searching for Answers in a Pandemic: An Overview of TREC-COVID

September 1, 2021

Author(s)

Ellen Voorhees, Ian Soboroff, Kirk Roberts, Tasmeer Alam, Steven Bedrick, Dina Demner-Fushman, Kyle Lo, Lucy L. Wang, William Hersh

… of 50 topics were used in the evaluation, starting at 30 topics for Round 1 and adding 5 new topics per round to …

Urban Greenhouse Gas Measurements: Urban Testbed Systems and International CooperationWorkshop Summary Report

April 21, 2021

Author(s)

Hratch G. Semerjian, James Whetstone

… On January 30-31, 2020, a workshop was held at NIST in Gaithersburg, MD …

Low-noise photon counting above 100 million counts per second with a high-efficiency reach-through single-photon avalanche diode system

March 29, 2021

Author(s)

Michael Wayne, Joshua Bienfang, Alan L. Migdall

… higher than previously demonstrated. We apply large (> 30 V) AC bias gates to the SPAD at 1 GHz and detect minute …

Mixture Fraction Analysis of Combustion Products in Medium-Scale Pool Fires

November 13, 2020

Author(s)

Ryan Falkenstein-Smith, Kunhyuk Sung, Jian Chen, Anthony Hamins

… A series of fire experiments are conducted using 30 cm diameter liquid and 37 cm diameter gas pool burners. …

Microscale Mapping of Structure and Stress in Barium Titanate

April 19, 2020

Author(s)

Jane A. Howell, Mark D. Vaudin, Lawrence Henry Friedman, Robert F. Cook

… by 90° domain boundaries. Spatial resolution of about 30 nm was demonstrated over 5 μm maps, with rotation and …

Improved characterization of methane emissions from the U.S. oil and gas supply chain

June 21, 2018

Author(s)

Ramon A. Alvarez, Daniel Zavala-Araiza, David R. Lyon, David T. Allen, Zachary R. Barkley, Adam R. Brandt, Kenneth J. Davis, Scott C. Herndon, Daniel J. Jacob, Anna Karion, Eric A. Kort, Brian K. Lamb, Thomas Lauvaux, Joannes D. Maasakkers, Anthony J. Marchese, Mark Omara, Stephen W. Pacala, Jeff Peischl, Allen L. Robinson, Paul B. Shepson, Colm Sweeney, Amy Townsend-Small, Steven C. Wofsy, Daniel Zimmerle, Steven P. Hamburg

… region-wide aircraft measurements in areas accounting for 30% of U.S. gas production. Results using both methods are …

Model Validation Study of Carbon Monoxide Transport due to Portable Generator Operation in an Attached Garage

October 6, 2017

Author(s)

Steven J. Emmerich, William S. Dols

… predictions and measurements were within about 20 % and 30 % respectively when averaged over all cases. …

STEP File Analyzer User's Guide (Version 4)

August 17, 2017

Author(s)

Robert R. Lipman

… first released in 2012. This guide is based on version 2.30 of the software. …

NIST Interlaboratory Study on the Glycosylation of NISTmAb, a Monoclonal Antibody Reference Material, June 2015 to February 2016

July 31, 2017

Author(s)

Maria Lorna A. De Leoz, David L. Duewer, Stephen E. Stein

… were requested to provide measurement results by July 30, 2015 (Stage 1) and November 6, 2015 (Stage 2). …

Photofading in cotton fibers dyed using red, yellow, and blue direct dyes during examination with microspectrophotometry (MSP)

June 30, 2017

Author(s)

Amanda Forster, Julie L. Bitter, Samuel E. Rosenthal, Stephanie S. Watson, Sydney Brooks

… position on the fiber periodically over the course of 30 minutes. Visible color loss and a reduction in absorbance …

Implications of the NIST Investigation s Findings and Recommendations on Performance-Based Design

February 19, 2017

Author(s)

Richard W. Bukowski

… consisting of over 10,000 pages. The reports included 30 recommendations for changes to codes, standards, and …

A Thickness-Unknown Method for the Low-Loss Dielectric Characterization from Free-Space Scattering Measurements

September 1, 2016

Author(s)

Sung Kim, David R. Novotny, Joshua A. Gordon, Jeffrey R. Guerrieri

… range of 220-325 GHz at incident angles of 0, 10, 20, and 30 degrees. Moreover, an explicit uncertainty analysis for …

Core Design Studies on a Low-Enriched Uranium Reactor for Cold Neutron Sources at NIST

May 1, 2016

Author(s)

Zeyun NMN Wu, Robert E. Williams

… the operating cycle of the equilibrium core is set to be 30 days. Core design studies were performed mainly using the …

Characterizing the Effect of Salt and Surfactant Concentration on the Counter-ion Atmosphere around Surfactant Stabilized SWCNTs using Analytical Ultracentrifugation

March 29, 2016

Author(s)

Stephanie Lam, Ming Zheng, Jeffrey Fagan

… with theory above total ionic strengths of approximately 30 mM. …

First far-infrared high resolution analysis of the nu6 band of phosgene 35Cl2CO and 35Cl37CLCO

November 2, 2015

Author(s)

Walter J. Lafferty

… levels to within the experimental accuracy i.e. ~0.30 x10-3 cm-1. Very accurate rotational and centrifugal …

Electronic Enhancement of the Exciton Coherence Time in Charged Quantum Dots

October 19, 2015

Author(s)

Galan A. Moody, Corey A. McDonald, Ari D. Feldman, Todd E. Harvey, Richard P. Mirin, Kevin L. Silverman

… of charge carriers by up to ~6 nm, which leads to a 30% weaker transition dipole moment. The ability to …

Speed of sound measurements and a fundamental equation of state for cyclopentane

April 22, 2015

Author(s)

Eric W. Lemmon, Holger Gedanitz, Maria J. Davila

… temperature range from (258 to 353) K at pressures up to 30 MPa (42 data points) using a pulse-echo method with a …

Inhibition of cellular proliferation and enhancement of hydrogen peroxide production in fibrosarcoma cell line by weak radio frequency magnetic fields

September 23, 2014

Author(s)

Pablo Castello, Iain Hill, Lucas Portelli, Frank Barnes, Robert J. Usselman, Carlos Martino

… to the static field. Cell numbers were reduced up to 30% on Day 2 for the cells exposed to the combination of SMF …

3D Characterization of carbon nanotube polymer composites using Scanning Electron Microscopy and Confocal Raman Microscopy

June 11, 2014

Author(s)

Minhua Zhao, Rachel J. Cannara

… characterization of CNT polymer composites to a depth of 30 µm was demonstrated by optimizing CRM parameters and the …

Synthesis and characterization of isosorbide-based polyphosphonates as biobased flame-retardants.

June 2, 2014

Author(s)

Mauro Zammarano, Timothy C. Mauldin, Jeffrey W. Gilman, John R. Shields, Dylan B. Timothy

… 15 %, respectively) and strain-at-break (0 %, 17 %, and 30 % reduction from PLA at a polyphosphonate mass fraction of …

Observational Results of a Multi-Telescope Campaign to Detect Interstellar Urea [(NH2)2CO]

March 10, 2014

Author(s)

Francis J. Lovas, Anthony J. Remijan, Lewis E. Snyder, Brett A. McGuire, Hsin-Lun Kuo, Leslie W. Looney, Douglas N. Friedel, G. Y. Golbiatnikov, Vadim V. Ilyushin, E A. Alekseev, S F. Dyubko, Benjamin J. McCall, Jan M. Hollis

… facilities: BIMA, CARMA, the NRAO 12 m telescope, the IRAM 30 m telescope, and SEST. The results show that the features …

Calibration of IR Test Chambers with the Missile Defense Transfer Radiometer

September 30, 2013

Author(s)

Simon G. Kaplan, Solomon I. Woods, Adriaan C. Carter, Timothy M. Jung

… within their combined uncertainties, with the MDXR having 30 % lower uncertainty and greater spectral coverage. …

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