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Displaying 126 - 150 of 1489

Advancing X-Ray Scattering Metrology Using Inverse Genetic Algorithms

July 7, 2016
Author(s)
Adam F. Hannon, Daniel F. Sunday, Donald A. Windover, Regis J. Kline
We compare the speed and effectiveness of two genetic optimization algorithms to the results of statistical sampling via a Markov Chain Monte Carlo algorithm to find which is the most robust method for determining real space structure in periodic gratings

Steering a Time Scale

December 1, 2008
Author(s)
Judah Levine
… I will also discuss the design of the steering of the backup for UTC(NIST), which is based on an ensemble of cesium … located at the NIST radio station in Fort Collins. The backup time scale is intended to support the NIST services …

An easy to implement strategy for improving operational stability and controlling threshold voltage in organic electrochemical transistors: Combining chemical p-doping with degassed solvents

November 4, 2024
Author(s)
Vianna N. Le, Kyle N. Baustert, Megan Brown, Joel H. Bombile, Lucas Flagg, Karl Thorley, Alyssa Stubbers, Christina J. Kousseff, Olga Solomeshch, T. John Balk, Iain McCulloch, Nir Tessler, Chad Risko, Kenneth R. Graham, Alexandra F. Paterson
… contradictory problem is solved by introducing a two-step strategy where first the solvents are degassed, and second … in a controllable manner using a chemical p-dopant. This strategy improves operational stability, on-off ratio, and … An easy to implement strategy for improving operational stability and controlling …

Best Practices for Privileged User PIV Authentication

April 21, 2016
Author(s)
Hildegard Ferraiolo, David Cooper, Andrew R. Regenscheid, Karen Scarfone, Murugiah P. Souppaya
The Cybersecurity Strategy and Implementation Plan (CSIP), published by the Office of Management and Budget (OMB) on October 30, 2015, requires that federal agencies use Personal Identity Verification (PIV) credentials for authenticating privileged users

Impact of Natural Ventilation Strategies and Design Issues for California Applications, Including Input to ASHRAE Standard 62 and California Title 24-Report on Task 4.4.3a and 4.4.3b of CEC-EEB RMT Project

October 1, 2003
Author(s)
Steven J. Emmerich, Andrew K. Persily, William S. Dols, James W. Axley
… This report discusses the impact of natural ventilation strategies and design issues for California applications and … is the emergence of hybrid natural and mechanical system strategies. The report also provides recommendations for … Impact of Natural Ventilation Strategies and Design Issues for California Applications, …
Displaying 126 - 150 of 1489
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