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Displaying 48151 - 48175 of 73917

Hydrogenated amorphous silcon germanium Alloys Grown by the Hot-Wire Chemical Vapor Deposition Technique

April 1, 2000
Author(s)
B P. Nelson, Y Xu, D L. Williamsons, B von Roedern, A Mason, S Heck, A. H. Mahan, S F. Schmitt, Alan Gallagher, J Webb, R C. Reedy
We successfully grow high quality hydrogenated amorphous-silicon germanium alloys(a: SiGe:II) by the hot-wire chemical vapor deposition (HWCVD) technique using silane and germane gas mixtures. These alloys display electronic properties as good as those

Intercomparison of Visual Diffuse Transmission Density Measurements

April 1, 2000
Author(s)
Egbert Buhr, Detleff Bergmann, E A. Early, Thomas R. O'Brian
An intercomparison of visual diffuse transmission density measurements of photographic and x-ray film step tablets was completed bytwo national metrology institutes, the National Institute of Standards and Technology, USA, and the Physikalisch-Technische

Laboratory Primary Standards

April 1, 2000
Author(s)
John D. Wright
Commonly used primary calibration techniques for the measurement of liquid and gas flows are described. The techniques described include: static gravimetric and dynamic gravimetric methods for both gases and liquids, liquid piston displacement provers

MALDI-TOF MS Analysis of a Library of Polymerizable Cyclodextrin Derivatives

April 1, 2000
Author(s)
Rafael L. Bowen, M Farahani, Sabine H. Dickens, Charles M. Guttman
Polymerizable cyclodextrin derivatives (PCDs) have been proposed as candidates for use in dental therapeutics (Bowen, 1996 and Bowen and Reed, 1997). Here PCD libraries were synthosized by quasi-random reactions of 6 moles of methacrylic anhydride plus 7

NIST-BMDO Transfer Radiometer (BXR)

April 1, 2000
Author(s)
Timothy M. Jung, Adriaan C. Carter, Steven R. Lorentz, Raju V. Datla
An infrared transfer radiometer has been recently developed for the Low-Background Infrared Calibration (LBIR) facility at the National Institute of Standards and Technology (NIST) for the Ballistic Missile Defense Organization (BMDO) program. The BMDO
Displaying 48151 - 48175 of 73917
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