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Displaying 301 - 325 of 1415

An integrated and automated calibration system for pneumatic piston gauges

October 17, 2017
Author(s)
Yuanchao Yang, Robert G. Driver, John S. Quintavalle, Julia Scherschligt, Katie M. Schlatter, Jacob Edmond Ricker, Gregory F. Strouse, Douglas A. Olson, Jay H. Hendricks
… Two high-resolution pressure transducers with the range of 1.4 MPa and 14 MPa are used to cover the wide calibration range from 10 …

Precision measurement of the radiative beta decay of the free neutron

June 30, 2017
Author(s)
Christopher D. Bass, Maynard S. Dewey, Thomas R. Gentile, Hans Pieter Mumm, Alan Keith Thompson, M J. Bales, R. Alarcon, E J. Beise, H Breuer, Jim Byrne, T E. Chupp, Kevin Coakley, R L. Cooper, B. O'Neill, F E. Wietfeldt
… scintillators detected photons in the energy range of 14 keV to 782 keV. The spectral shape was consistent with … detected photons in the energy range of 0.4 keV to 14 keV. For this array, the spectral shape was consistent …

Precision measurement of the radiative beta decay of the free neutron

June 14, 2016
Author(s)
Jeffrey S. Nico, Kevin J. Coakley, Maynard S. Dewey, Thomas R. Gentile, Hans P. Mumm, Alan Keith Thompson, M J. Bales, R. Alarcon, C. D. Bass, E J. Beise, H Breuer, Jim Byrne, R L. Cooper, B. O'Neill, F E. Wietfeldt, T E. Chupp
… scintillators detected photons in the energy range of 14 keV to 782 keV. The spectral shape was consistent with … detected photons in the energy range of 0.4 keV to 14 keV. For this array, the spectral shape was consistent …

Status Report on the First Round of the SHA-3 Cryptographic Hash Algorithm Competition

September 23, 2009
Author(s)
Andrew R. Regenscheid, Ray A. Perlner, Shu-jen H. Chang, John M. Kelsey, Mridul Nandi, Souradyuti Paul
… on Dec. 10, 2008, marking the beginning of Round 1 of the competition. This report describes the evaluation … review of the first round candidates, and summarizes the 14 candidate algorithms selected as a result on July 24, 2009 for moving forward to Round 2 of the competition. The 14 second round candidates are BLAKE, BLUE MIDNIGHT WISH, …

Large Area Pt/n-GaN Schottky Photodiodes With Extremely Low Leakage Current

August 19, 2004
Author(s)
A Shahid, Robert E. Vest, D Franz, F Yan, Y Zhao, D B. Mott
… photodiodes with very large active areas (0.25 cm 2 and 1 cm u2 ) which exhibit extremely low leakage currents at low … of one of these devices. A leakage current as low as 14 pA at 0.5 V reverse bias is reported, for a 0.25 cm 2 … to a spectral detectivity, 4.62x10 u14 cm Hz u1/2 W u-1 . The spatial responsivity uniformity variation was …

Further Development of a Test Method for the Assessment of the Acute Inhalation Toxicity of Combustion Products.

June 1, 1982
Author(s)
B C. Levin, A J. Fowell, M M. Birky, M Paabo, A Stolte, D Malek
… intended for research and screening purposes. It provides: 1) a method for determining, under flaming and non-flaming … animals (rats) exposed for 30 minutes and observed for 14 days following exposure); 2) an optional procedure to … death of test animals within a 10 minute exposure and a 14 day post-exposure observation period; and 3) a description …

Microsensors for Mars: Trace Analyte Detection in a Simulated Martian Environment

May 23, 2014
Author(s)
Kurt D. Benkstein, Phillip H. Rogers, Christopher B. Montgomery, C. Jin, Baranidharan Raman, Stephen Semancik
Chemiresistive microsensor arrays are being developed and tested in a simulated Martian environment. Target analyte species include trace small molecules that may indicate current geological or, potentially, biological activity on Mars. The sensing films

Understanding the Hazards of Grouped Electrical Cables

August 8, 2010
Author(s)
Kevin B. McGrattan, Andrew J. Lock, Nathan D. Marsh, Marc R. Nyden, Jason Dreisbach, David Stroup
CHRISTIFIRE (Cable Heat Release, Ignition, and Spread in Tray Installations during FIRE) is a U.S. Nuclear Regulatory Commission Office of Research program to quantify the mass and energy released from burning electrical cables. This type of quantitative

Digital Twins for Robot Systems in Manufacturing

October 26, 2024
Author(s)
Ali Malik, Guodong Shao, Jane Tarakhovsky
The surging demand for industrial automation is propelling the use of robots, with emerging trends like autonomous mobile robots and collaborative robotic arms swiftly gaining widespread popularity. Simultaneously, a growing focus is on simplifying the

The PROSPECT Experiment

December 14, 2021
Author(s)
Hans Pieter Mumm
The Precision Reactor Oscillation and Spectrum Experiment, PROSPECT, is designed to both perform a reactor-model independent search for eV-scale sterile neutrino oscillations at meter-long baselines and to make a precise measurement of the antineutrino

Fine Tuning of MOF-505 Analogues to Reduce Low-Pressure Methane Uptake and Enhance Methane Working Capacity

September 7, 2017
Author(s)
Mingxing Zhang, Wei Zhou, Tony Pham, Katherine A. Forrest, Wenlong Liu, Yabing He, Hui Wu, Taner N. Yildirim, Banglin Chen, Brian Space, Yi Pan, Michael J. Zaworotko, Junfeng Bai
… surface properties and surface area (around 3000 m 2 g -1 ). Targeting PCN-14 variants in order to enhance its CH 4 working capacity, … and is much higher than the corresponding value for PCN-14 (157 cm 3 (STP) cm -3 ). …

Methyltriacetylene (Ch 3 C 6 H) Toward TMC-1: Presently, the Largest Detected Symmetric Top

April 28, 2006
Author(s)
A Remijan, J M. Hollis, Lewis E. Snyder, P R. Jewell, Francis J. Lovas
… spectral lines of this species were detected toward TMC-1: the K=0 and K=1 components of the 12,K-11,K, 13,K-12,K, 14,K-13,K, 15,K-14,K, and 16,K-15,K transitions. Also observed were the K=0 … Methyltriacetylene (Ch 3 C 6 H) Toward TMC-1: Presently, the Largest Detected Symmetric Top …

The Mathematics of Datums

January 1, 1990
Author(s)
Ted Hopp
Datums have been one of the most difficult problems the Group has dealt with. With the definition outlined, we feel we now have the problem under control. While our definition is not perfect, we can live with it. We are now in the process of expanding this
Displaying 301 - 325 of 1415
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