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Displaying 51301 - 51325 of 74175

Performance and Modeling of Heat Flux Sensors in Different Environments

January 1, 1999
Author(s)
David G. Holmberg, C A. Womeldorf
Heat flux measurement is not simple; care is required in selecting a suitable sensor for a given application. Surface substrate properties and the convective and radiative environment determine the choice of sensors. Mounting of the sensor, especially in

Physics Laboratory Technical Activities 1998

January 1, 1999
Author(s)
K B. Gebbie
This report summarizes research projects measurement method developments, calibration and testing services, and data evaluation activities that were carried out during calendar year 1998 in the NIST Physics Laboratory. These activities are in the areas of

Polarization of Light Scattered by Particles on Silicon Wafers

January 1, 1999
Author(s)
Li Piin Sung, George W. Mulholland, Thomas Germer
Bidirectional ellipsometry has been developed as a technique for distinguishing among various scattering features near surfaces.Employi Employing incident light with fixed polarization, the technique measures the principal angle of polarization and the

Polymers 1998 Programs and Accomplishments

January 1, 1999
Author(s)
B M. Fanconi, Donald L. Hunston
Technical activities of the Polymers Division, 854, for the 1998 fiscal year are described. Thereport is organized by programs: Electronic Packaging, Interconnection and Assembly; Polymer Blends and Processing; Polymer Composites; Polymer Characterization

Post-Source Decay of Polystyrene Ions in Matrix-Assisted LaserDesorption/Ionization

January 1, 1999
Author(s)
R J. Goldschmidt, S Wetzel, William R. Blair, Charles M. Guttman
Analyte ions produced in matrix-assisted laser desorption/ionization (MALDI) are of low energy compared to those produced in many other mass spectrometricionization methods, so that there is usually little or no prompt fragmentation ofinitially formed ions
Displaying 51301 - 51325 of 74175
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