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Displaying 53126 - 53150 of 73697

High-Speed Machining

December 20, 1997
Author(s)
Matthew A. Davies, S J. Smith
Increasing the power and speed of machining operations has several advantages. These include: [1] shorter machining time; [2] improved surface finish; [3] reduced thermal and mechanical stresses on the workpiece and tool, and [4] increased dynamic

A Dielectric Screening Treatment of Electrostatic Solvation

December 18, 1997
Author(s)
R Luo, J Moult, M K. Gilson
It has been shown previously that the solvation energies of small molecules can be computed to useful accuracy with continuum models of the solvent that separate the solvation energy into electrostatic and nonpolar parts. The electrostatic part of the

Estimating Local Dimensionality

December 15, 1997
Author(s)
D L. Banks, R Olszewski
This paper suggests that one can use principal components analysis to assess the local dimensionality in a complex dataset. If this is large, then data mining is unlikely to be successful. If it is small, then various statistical techniques may be able to

Raman Investigation of the Layered Manganese Perovskite La1.2 Sr1.8 Mn207

December 4, 1997
Author(s)
D B. Romero, V B. Podobedov, A Weber, Joseph P. Rice, J.F. Mitchell, R P. Sharma, H D. Drew
We report the results of a detailed polarization and temperature dependence study of the Raman scattering from La1.2Sr1.8Mn207. The Raman spectra reveal three general spectral features. First, there are sharp peaks due to long-wavelength optic phonons

Fire Suppression Efficiency Screening Method

December 3, 1997
Author(s)
Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler
Most of the current methods for fire suppression efficiency screening (e.g., cup burners) are designed for screening agents that can be delivered in the form of vapor. The search for alternatives to halons for fire suppression applications has identified

A Method for Comparing Vector Network Analyzers

December 1, 1997
Author(s)
Donald C. DeGroot, Roger Marks, Jeffrey A. Jargon
We present a method of comparing two distinct vector network analyzer systems by taking the differences in calibrated S-parameters over a set of test devices. The maximum magnitude of all S-parameter differences in the ensemble of data provides an estimate
Displaying 53126 - 53150 of 73697
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