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Displaying 44226 - 44250 of 73929

Mass Absorption Coefficient of Tungsten, 1606-2100 eV

January 1, 2002
Author(s)
Zachary H. Levine, S Grantham, I McNulty
The transmission of soft x-rays with photon energies from 1606 eV to 2106 eV was measured for tungsten using thin film samples and a synchrotron source. This region includes the M IV and M V edges. The two tungsten films had thicknesses of 107.7 10 nm and

Measurement and Control of Metal Flow-Rate in a Gas-Metal Atomizer

January 1, 2002
Author(s)
Stephen D. Ridder
Research at NIST on the production of metal powder by gas atomization has focused on the development of sensors for use in PC based control systems. The ultimate goal is an inexpensive, robust means to automate the process that will improve powder quality

Measurement of Heat Conduction through Metal Spheres

January 1, 2002
Author(s)
Michael A. Lewis, Ray Radebaugh
This paper describes the results of the measurements of heat conduction through a bed of packed metal spheres. Spheres were packed in a fiberglass-epoxy cylinder, 24.4 mm in diameter and 55 mm in length. The cold end of the packed bed was cooled by a
Displaying 44226 - 44250 of 73929
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