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Displaying 60976 - 61000 of 74498

Framework for Utilizing Fire Property Tests (NISTIR 4619)

August 1, 1991
Author(s)
Thomas G. Cleary, J. G. Quintiere
A complete approximate set of equations is developed to describe fire spread over a surface and its resultant energy release. Wall, floor, and ceiling orientations are considered. The needed model data are couched in terms of available test method results

Oxides and Oxide Superconductors: Elastic and Related Properties

August 1, 1991
Author(s)
M Lei, H M. Ledbetter
Using both measurements and modeling, we studied the elastic and related properties of some oxides and oxide superconductors. The polycrystal elastic constants were measured using a megahertz-frequency pulse-echo method between 295 and 4 K and corrected to

Absolute optical ranging using low coherence interferometry

July 20, 1991
Author(s)
B. L. Danielson, C. Y. Boisrobert
We describe a method for measuring submicrometer distances with an asymmetric fiber Michelson interferometer having an LED as a source of radiation. By measuring the phase slope of the Fourier components in the frequency domain, it is possible to locate
Displaying 60976 - 61000 of 74498
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