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NIST Authors in Bold

Displaying 401 - 425 of 617

International comparison of measurements of hard magnets with the Vibrating Sample Magnetometer

August 1, 2014

Author(s)

F. Fiorillo, C. Beatrice, D. Son, Franz Josef Ahlers, R. Groessinger, F. Albertini, Y. P. Liu, A Lin, E. Patroi, Robert D. Shull, O. Thomas

… of the reference value (weighted mean), associated with a 95 % confidence level, is at most ± 1.5 %. …

Experimental Determination of Mode Correction Factors for Thermal Method Spring Constant Calibration of AFM Cantilevers using Laser Doppler Vibrometry

May 30, 2013

Author(s)

Richard S. Gates, William A. Osborn, Jon R. Pratt

… available AFM cantilevers actually vary from 0.95 to 1.0, depending on the shape and end mass of the …

Effects of chlorine and other water quality parameters on the release of silver nanoparticles from a ceramic surface

August 11, 2012

Author(s)

Michael W. Stewart, Angela Bielefeldt, Elisabeth Mansfield, R. Scott Summers, Joseph N. Ryan

… the surface. At environmentally relevant ranges of pH (4.8 to 9.3), ionic strength (0 and 150 mM NaNO3 or 150 mM …

Hydrocarbon Liquid Flow Calibration Service

November 25, 2009

Author(s)

Tsyh Tyan Yeh, Jesus J. Aguilera, John D. Wright

… expanded uncertainty claim for this facility is 0.01 %, at 95 % confidence level. NIST is working to incorporate …

Optical Lattice Induced Light Shifts in a Yb Atomic Clock

March 14, 2008

Author(s)

Zeb Barber, Jason Stalnaker, Nathan D. Lemke, Christopher W. Oates, Tara M. Fortier, Scott A. Diddams, Leo W. Hollberg, C Hoyt

… two photon resonances at 759.7082\,nm and 764.95\,nm respectively. By tuning the lattice frequency over the …

Consistency of D 13 C Measurements Improved

February 1, 2006

Author(s)

T B. Copelen, W Brand, M Gehre, M Groening, HAJ Meijer, Blaza Toman, R. Michael Verkouteren

… per mill to L-SVEC lithium carbonate (NIST RM 8545) and +1.95 per mill to NBS 19 calcium carbonate (NIST RM 8544). …

Biogenic Contributions to Atmospheric Volatile Organic Compounds in Azusa, California

April 1, 2002

Author(s)

George A. Klouda, C. W. Lewis, D C. Stiles, J L. Marolf, W D. Ellenson, W A. Lonneman

… as an atmospheric mixing ratio, the overall (median and 95 % confidence interval) biogenic VOC-carbon contribution is …

Molar Heat Capacity Cv, Vapor Pressure, and (p, rho,T) Measurements From 92 to 350 K at Pressures to 35 Mpa and a New Equation of State for Chlorotrifluoromethane (R13)

January 1, 2001

Author(s)

Joe W. Magee, Stephanie L. Outcalt, James F. Ely

… using an adiabatic method. Temperatures ranged from 95 to 338 K, and pressures were as high as 35 Mpa. …

Gate Dielectric Thickness Metrology Using Transmission Electron Microscopy

January 1, 2000

Author(s)

J H. Scott, Eric S. Windsor, D Brady, J Canterbury, A. Karamcheti, W Chism, A C. Diebold

… (with coverage factor K=2, designed to estimate a 95% confidence interval) can be larger than 0.33nm. …

Impact of Image Quality in Machine Print Optical Character Recognition

December 1, 1997

Author(s)

Michael D. Garris, Stanley Janet, W Klein

… in which three different vendor products (two Windows NT/95-based and one UNIX-based) are evaluated across three sets …

Microform Calibration Uncertainties of Rockwell Diamond Indenters

September 1, 1995

Author(s)

Jun-Feng Song, F Rudder, Theodore V. Vorburger, J Smith

… to fundamental standards. The expanded uncertainties (95 % level of confidence) are 60.3 mm for the least squares …

Evaluating Contaminant Effects and Blend Ratios on the Alkaline Hydrolysis of PET Textile Streams

September 5, 2025

Author(s)

McKenzie Coughlin, Thomas Forbes, Zois Tsinas, Amanda Forster, Charlotte Wentz, Maxwell Mevorah, allison carranza, Amy Engelbrecht-Wiggans

… acid (TPA). The average TPA yield (by mass) was 93.9 % ± 2.8 % for pre-consumer materials and 89.5 % ± 3.1 % for … The average cotton recovery post-reaction (by mass) was 95.9 % ± 0.8 %. Extensive material characterization for all components …

Inter-tool analysis of a NIST dataset for assessing baseline nucleic acid sequence screening

July 10, 2025

Author(s)

Tyler Laird, Kevin Flyangolts, Craig Bartling, Bryan Gemler, Jacob Beal, Tom Mitchell, Steven T. Murphy, Jens Berlips, Leonard Foner, Ryan Doughty, Felix Qunitana, Michael Nute, Todd J. Treangen, Gene D. Godbold, Krista Ternus, Tessa Alexanian, Nicole Wheeler, Samuel Forry

… and all tools had a baseline performance of greater than 95% sensitivity and 97% accuracy. Disagreement on specific …

Ultrastable vacuum-gap Fabry-Perot cavities 2 operated in air

August 21, 2024

Author(s)

Susan Schima, Franklyn Quinlan, Yifan Liu, Charles McLemore, Takuma Nakamura, Nazanin Hoghooghi, Scott Diddams, Peter Rakich, Dahyeon Lee, Naijun Jin, Megan Kelleher, Haotian Cheng

We demonstrate a vacuum-gap ultrastable optical reference cavity that does not require a vacuum enclosure. Our simple method of optical contact bonding in a vacuum environment allows for cavity operation in air while maintaining vacuum between the cavity

Low Gilbert damping and high perpendicular magnetic anisotropy in an Ir-coupled L10-FePd-based synthetic antiferromagnet

June 10, 2024

Author(s)

William Peria, Michael Katz, Jian-Ping Wang, Paul Crowell, Daniel Gopman

… with a perpendicular magnetic anisotropy energy of 0.95 MJ/m3 and a low Gilbert damping of 0.01. …

Low-noise microwave generation with an air-gap optical reference cavity

January 30, 2024

Author(s)

Yifan Liu, Dahyeon Lee, Takuma Nakamura, Naijun Jin, Haotian Cheng, Megan Kelleher, Charles McLemore, Igor Kudelin, William Groman, Scott Diddams, Peter Rakich, Franklyn Quinlan

… noise 10 GHz microwaves, exhibiting a phase noise of −95 and −142 dBc/Hz at 100 Hz and 10 kHz offset frequencies, …

Linearity Characterization and Uncertainty Quantification of Spectroradiometers via Maximum Likelihood and the Non-parametric Bootstrap

February 13, 2023

Author(s)

Adam L. Pintar, Zachary H. Levine, Howard W. Yoon, Stephen Maxwell

… are found to be consistent with their target coverage of 95%. For the polynomial coefficients, the observed coverages …

A Helmholtz Energy Equation of State for trans-1,1,1,4,4,4-Hexafluoro-2-butene [R-1336mzz(E)]

February 8, 2023

Author(s)

Ryo Akasaka, Marcia L. Huber, Luke Simoni, Eric W. Lemmon

… MPa. In this range, expected relative uncertainties at the 95 % confidence interval (k = 2) are 0.1 % for vapor …

Absolute radiation pressure detector using a diamagnetically levitating test mass

October 28, 2021

Author(s)

Anna Vaskuri, Daniel Rahn, Paul A. Williams, John H. Lehman

… takes advantage of an extremely low spring stiffness (2.95 mN/m) afforded by diamagnetic levitation above a permanent …

CRITICAL TEMPERATURE OF AXIALLY LOADED STEEL MEMBERS WITH WIDE-FLANGE SHAPES EXPOSED TO FIRE

January 1, 2021

Author(s)

Ana Sauca, Rachel Chicchi, Chao Zhang, Lisa Choe

… ambient- temperature yield stress of steel (assumed with 95% confidence interval) has a significant impact on axial …

Filtration Efficiencies of Nanoscale Aerosol by Cloth Mask Materials Used for Protection from SARS CoV-2

June 25, 2020

Author(s)

Christopher D. Zangmeister, James G. Radney, Edward P. Vicenzi, Jamie L. Weaver

… were measured for 27 cloth materials (12 cotton, 8 full synthetic, 3 synthetic blends, 4 synthetic/cotton …

Cys.sqlite: A structured-information approach to the comprehensive analysis of cysteine disulfide bonds in the Protein Databank

January 29, 2019

Author(s)

Theodore L. Fobe, Andrei F. Kazakov, Demian Riccardi

Cysteine is a multifaceted amino acid that is central to the structure and function of many proteins. A disulfide bond formed between two cysteines restrains protein conformations through the strong covalent bond and torsions about the bond that pre- fer

Influence of Nanofluid Instability on Thermodynamic Properties near the Critical Point

December 6, 2018

Author(s)

Joe W. Magee, Nikolai Polikhronidi, Rabiyat Batyrova, Ilmutdin Abdulagatov

… coefficient, and heat capacity measurements at the 95 % confidence level is estimated to be 0.2 %, 15 mK, 1.0 %, …

Life-Cycle Cost of Manufactured Goods: A Case Study in US Ground Passenger Transportation

June 24, 2018

Author(s)

Douglas Thomas

National governments invest in research and development efforts that advance efficiency and spur economic growth. There are, however, few studies that identify the efforts that will have the largest possible return on investment. This lack of research

Chemical Discrimination of Multilayered Paint Cross Sections for Potential Forensic Applications using Time-of-Flight Secondary Ion Mass Spectrometry

June 15, 2018

Author(s)

Shinichiro N. Muramoto, J Greg Gillen, Eric S. Windsor

… of the carbamate-based clear coat, and C7H11+ (m/z 95.09) which was strongly associated with the …

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