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NIST Authors in Bold

Displaying 4351 - 4375 of 17264

The Realization of the SI Second and Generation of UTC(NIST) at the Time and Frequency Division of the National Institute of Standards and Technology (NIST)

August 2, 2007
Author(s)
Thomas P. Heavner, Steven R. Jefferts
… Time and Frequency Division of the National Institute of Standards and Technology (NIST) maintains the laser-cooled … (2 longer than that achieved in thermal beam frequency standards. Since the frequency stability as well as the … hydrogen masers and several commercial Cesium beam atomic standards. The clocks are continuously inter-compared and …

NIST Role in Radiometric Calibrations for Remote Sensing Programs at NASA, NOAA, DOE and DOD

July 1, 2001
Author(s)
Albert C. Parr, Raju V. Datla
… Technology Division (OTD) at the National Institute of Standards and Technology (NIST) has been actively involved in … periodically intercompared with the absolute radiometric standards in the laboratory and thereby provide long term … radiometric calibrations, radiometric transfer standards, radiometry, remote sensing, satellite sensor …

Water Closet Extraction Test Acceptance Criteria-Missing Links

September 1, 2002
Author(s)
L S. Galowin, T M. Kenney
… test media to be reproducible for applications in national standards. Reproducibility of test artifacts requires … tests. Prescribed extraction acceptance criteria for standards allow discarding data and partial extraction … acceptance criteria, performance evaluations, standards testing, waste test media, water closets …

Molecular beam growth of graphene nanocrystals on dielectric substrates

November 27, 2012
Author(s)
Daniel Fischer, Ulrich Wurstbauer, Theanne Schiros, Cherno Jaye, A. S. Plaut, R. He, Albert Rigosi, Liuyan Zhao, Christopher Gutierrez, P. Kim, L. N. Pfeiffer, A. Pasupathy, A. Pinczuk, J. M. Garcia
A variety of methods have been reported to create graphene. These include the pervasive mechanical exfoliation of graphite1, as well as methods that obtain large area graphene such as thermal decomposition of SiC2,3, chemical vapor deposition on transition

Organizational Practices in Cryptographic Development and Testing

October 9, 2017
Author(s)
Julie Haney, Simson L. Garfinkel, Mary Theofanos
… of purposes, with most relying on generally accepted, standards-based implementations as guides. However, many also … cryptography, usability, cryptographic standards, developer survey. …

International Comparisons of Femtosecond Laser Frequency Combs

April 1, 2005
Author(s)
Long-Sheng Ma, Zhiyi Bi, A Bartels, Lennart Robertsson, Massimo Zucco, Robert Windeler, G Wilpers, Christopher W. Oates, Leo W. Hollberg, Scott A. Diddams
… femtosecond laser, frequency measurement, frequency standards …

Microwave Packaging for Voltage Standard Applications

June 3, 2009
Author(s)
Mike Elsbury, Charles J. Burroughs, Paul Dresselhaus, Zoya Popovic, Samuel Benz
… Improvements to the packaging of Josephson Volt- age Standard (JVS) circuits have increased operating margins, … Microwave Packaging for Voltage Standard Applications …

Experiences with a Manufacturing Framework

January 1, 1995
Author(s)
Selden Stewart, James A. St Pierre
… year of a joint project between the National Institute of Standards and Technology (NIST) and SEMATECH. After studying … about online specifications, supplier involvement, standards organizations, usage scenarios, reference … Object Management Group, SEMATECH, Semiconductors, Standards …

Investigating the Impact of Standards-Based Interoperability for Design to Manufacturing and Quality in the Supply Chain

December 9, 2015
Author(s)
Kevin Fischer, Phil Rosche, Asa Trainer, Allison Barnard Feeney, Thomas D. Hedberg Jr.
… a 3-dimensional (3D)-shape-geometry model, often in a standards-based format such as STEP AP203. The supplier then … embedded PMI. And, with the emergence of STEP AP242, a standards-based model with embedded PMI can now be shared … exchange. The project also identifies gaps in the tools, standards, and processes that inhibit industry's ability to …

Recoil-Order and Radiative Corrections to the aCORN Experiment

July 8, 2024
Author(s)
Maynard Dewey, Jeffrey Nico, Fred Wietfeldt
The aCORN experiment measures the electron-antineutrino a-coefficient in free neutron decay. We update the previous aCORN results to include radiative and recoil corrections to first order. The corrected combined result is a = -0.10859 +/- 0.00125 (stat) +
Displaying 4351 - 4375 of 17264
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