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Displaying 1626 - 1650 of 1916

Porous Tin Oxide Nanostructured Microspheres for Sensor Applications

February 1, 2004
Author(s)
C Martinez, B Hockey, Christopher B. Montgomery, Stephen Semancik
There is a growing need to develop highly sensitive chemical sensors for applications such as military reconnaissance and toxic waste removal. A promising route for improving device performance is to use nanostructured materials (e.g. nanoparticles

Manufacturing and Quality Control of the NIST Reference Material 8240 Standard Bullet

October 26, 2003
Author(s)
Eric P. Whitenton, Clarence Johnson, David R. Kelley, Robert A. Clary, Brian S. Dutterer, Li Ma, Jun-Feng Song, Theodore V. Vorburger
The National Integrated Ballistics Information Network (NIBIN) is currently under development by the Bureau of Alcohol, Tobacco and Firearms (ATF) and the Federal Bureau of Investigation (FBI). In support of this effort, the National Institute of Standards

Development of NIST Standard Bullets and Casings Status Report

November 1, 2000
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Alim A. Fatah
In April 1998, two prototype standard bullets were developed at the National Institute of Standards and Technology (NIST). In October 1999, prototype standard casings were also developed at NIST. The standard bullets and casings are intended for use in

Ultrasonic Measurement of Stress in Railroad Wheels

February 1, 1999
Author(s)
R E. Schramm
Acoustic birefringence is the relative change in sound velocity with polarized direction. While the effect is small (usually parts in 10 4), this is a useful tool to probe stress and metallurgical texture since these generate anisotropic changes in the

VHF Josephson Arbitrary Waveform Synthesizer

October 1, 2024
Author(s)
Jeremy Thomas, Nathan Flowers-Jacobs, Anna Fox, Akim Babenko, Samuel Benz, Paul Dresselhaus
… Josephson junction arrays, digital-analog conversion, signal synthesis, superconducting …

An electronic measurement of the Boltzmann constant

March 30, 2011
Author(s)
Samuel P. Benz, Alessio Pollarolo, Jifeng Qu, Horst Rogalla, Chiharu Urano, Weston L. Tew, Paul D. Dresselhaus, D. R. White
… Boltzmann equation, Correlation, Digital-analog conversion, Josephson arrays, Measurement …
Displaying 1626 - 1650 of 1916
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