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Displaying 51951 - 51975 of 73697

An Apparatus for Evaluating Liquid Fire Suppressants

May 12, 1998
Author(s)
Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler, N C. Prive
Cup burners have been extensively used as a fire suppression efficiency screening tool for gaseous halon alternatives. In the search for alternatives to halons in fire suppression, it is likely that several types of condensed-phase compounds will be

Completing Our Panel's Work.

May 12, 1998
Author(s)
Richard N. Wright
Our 30th Joint Meeting provides an opportunity to reflect on our work and accomplishments and establish our view for the future of our U.S./Japan Panel on Wind and Seismic Effects. The Panel has helped us, in the United States, in Japan, and in the world

Indentation of Ceramics with Spheres: A Century After Hertz

May 4, 1998
Author(s)
Brian R. Lawn
In this article we review the nature and mechanics of damage induced in ceramics by spherical indenters, from the classical studies of Hertz over a century ago to the present day. Basic descriptions of continuum elastic and elastic-plastic contact stress

The Far Infrared Spectrum of HOC1 Line Positions and Intensities

May 4, 1998
Author(s)
J.- M. Flaud, M Birk, G Wagner, J Orphal, S Klee, Walter J. Lafferty
The far infrared spectrum of HOC1 has been recorded at high resolution between 20 and 360 cm-1 by means of Fourier transform spectroscopy, and it was possible to observe pure rotation lines involving rotational levels with high Ka quantum numbers (up to Ka

A Comparison of Year 2000 Solutions

May 1, 1998
Author(s)
G E. Fisher
Not withstanding going out of business, retiring old systems, or replacing inadequate systems with commercial off-the-shelf systems, there are basically three techniques for solving the Year 2000 computer problem: 1) windowing, 2) encoding or encapsulation

A Fast Pulse Oscilloscope Calibration System

May 1, 1998
Author(s)
J. P. Deyst, Nicholas Paulter, T. Daboczi, Gerard N. Stenbakken, T. M. Souders
A system is described for calibrating high-bandwidth oscilloscopes using pulse signals. The fast pulse oscilloscope calibration system (FPOCS) is to be used to determine the step response parameters for digitizing oscilloscopes having bandwidths of 20 GHz

A Fast Pulse Oscilloscope Calibration System

May 1, 1998
Author(s)
J. P. Deyst, Nicholas Paulter, T. Daboczi, Gerard N. Stenbakken, T. M. Souders
A system is described for calibrating high-bandwidth oscilloscopes using pulse signals. The fast pulse oscilloscope calibration system (FPOCS) is to be used to determine the step response parameters for digitizing oscilloscopes having bandwidths of 20 GHz

A Nonlinear Fluid Standard Reference Material: Progress Report

May 1, 1998
Author(s)
Carl R. Schultesiz, G B. McKenna
NIST is in the process of developing a new Standard Reference Material that replaces the previous SRM 1490 Nonlinear Fluid Standard. The purpose of the material and its development is two-fold: first, to help equipment manufacturers and researchers in

A Pulse Measurement Intercomparison

May 1, 1998
Author(s)
T. M. Souders, J R. Andrews, A. Caravone, J. P. Deyst, C. Duff, S. Naboicheck
A pulse measurement intercomparison, organized by (NIST) and conducted by the authors in their respective labs, is described. The purpose was to assess the state of the art for time-domain pulse-waveform measurements in the nanosecond regime, and to find

An Infrared Study of H 8 Si 8 O 12 Cluster Adsorption on Si (100) Surfaces

May 1, 1998
Author(s)
J Eng, Krishnan Raghavachari, L M. Struck, Y J. Chabal, B E. Bent, M M. Banaszak-Holl, F R. McFeely, A M. Michaels, G W. Flynn, S B. Christman, E E. Chaban, G P. Williams, K Radermacher, S Mantl
Motivated by an ongoing controversy regarding the proper interpretation of x-ray photoelectron spectra of Si/SiO 2 interfaces derived from the adsorption of H 8Si 8O 12 spherosiloxane clusters on Si(100) surfaces, we have studied the adsorption geometry of
Displaying 51951 - 51975 of 73697
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