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Displaying 53351 - 53375 of 74186

Physics Laboratory - Technical Activities 1997

January 1, 1998
Author(s)
K B. Gebbie, William R. Ott
This report summarizes research projects, measurement method developments, calibration and testing services, and data evaluation activities that were carried out during calendar year 1997 in the NIST Physics Laboratory. These activities are in the areas of

Pixel Based Absolute Topography Test for Three Flats

January 1, 1998
Author(s)
R E. Parks, Lianzhen Shao, Christopher J. Evans
We demonstrate a new method of performing the absolute three flat test using reflection symmetries of the surfaces and an algorithm for generating the rotation of arrays of pixel data. Most of the operations involve left/right and top/bottom flips of data

Polarized Light Emission from the Metal-Metal STM Junction

January 1, 1998
Author(s)
Daniel T. Pierce, Angela Davies, Joseph A. Stroscio, Robert Celotta
The polarization of light emitted during inelastic tunneling of electrons into both Au(111) and Fe(001) using W(111) tips in an STM junction has been fully characterized by measuring the Stokes parameters. The emitted light for both Au(111) and Fe(001) is

Polymers Division Technical Activities - 1997

January 1, 1998
Author(s)
Leslie E. Smith, B M. Fanconi
Technical activities of the Polymers Division, 854, for the 1997 fiscal year are described. The report is organized by programs: Electronic Interconnection and Assembly; Polymer Blends and Processing, Polymer Composites, Polymer Characterization, Dental

Post-Installed Anchors. A Literature Review

January 1, 1998
Author(s)
Geraldine S. Cheok, Long T. Phan
A literature review of studies on the behavior of post-installed concrete anchors is presented. The survey covers several types of anchors that are subjected to tension loads, shear loads, and to combined shear and tension loads. Brief summaries of the
Displaying 53351 - 53375 of 74186
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