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Displaying 50351 - 50375 of 73985

The National Semiconductor Metrology Program, Project Portfolio, FY 1999

May 1, 1999
Author(s)
Stephen Knight, A D. Settle-Raskin
Established in 1994, the National Semiconductor Metrology Program (NSMP) narrows the ever-present gap between the kind of metrology the semiconductor industry needs and what it is able to do. Meeting this challenge is a real feat because the industry tends

The NIST Length Scale Interferometer

May 1, 1999
Author(s)
John S. Beers, William B. Penzes
The National Institute of Standards and Technology (NIST) interferometer for measuring graduated length scales has been in use since 1965. It was developed in response to the redefinition of the meter in 1960 from the prototype platinum-iridium bar to the

Issues in Numerical Simulation of Fire Suppression

April 27, 1999
Author(s)
S R. Tieszen, Amelia R. Lopez
This paper outlines general physical and computational issues associated with performing numerical simulation of fire suppression. Fire suppression encompasses a broad range of chemistry and physics over a lxge range of time and length scales. The authors

Recent Results from the Dispersed liquid Agent Fire Suppression Screen

April 27, 1999
Author(s)
Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler, N C. Prive
Mosl or the current methods for fire suppression efficiency screening (e.2.. cup burners) are designed for evaluating gaseous fire suppression agents. Potential uses of liquid agents as halon replacements have been recently proposed in several applications

Tropodegradable Halocarbons and Main Group Element Compounds

April 21, 1999
Author(s)
J D. Mather, R E. Tapscott
Although it is not certain that a “drop-in” chemical substitute (as opposed to a new technology) for halons that can be used in normally occupied areas will ever be identified. there are two promising paths to such an agent. The first is to target

Capillary Electrophoretic Determination of Oxalate in Amniotic Fluid

April 20, 1999
Author(s)
B C. Nelson, G F. Rockwell, T Campfield, P O'Grady, R M. Hernandez, Stephen Wise
A capillary electrophoretic (CE) assay for oxalate has been applied to the quantitative determination of free oxalate in amniotic fluid. Indirect absorbance detection of oxalate is accomplished with a chromate-based background electrolyte modified with
Displaying 50351 - 50375 of 73985
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