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Displaying 63701 - 63725 of 74347

Wood Heating Safety Research: An Update

November 1, 1987
Author(s)
Richard D. Peacock
The Center for Fire Research at the National Bureau of Standards has been involved in research related to wood heating safety for more than seven years. Areas of interest have included: typical operating conditions of modern heating appliances, intensity

Architecture to Support Teleoperation and Autonomy

October 23, 1987
Author(s)
Ronald Lumia, James S. Albus
The Flight Telerobotic Servicer (FTS) will support assembly and maintenance activities for the Space Station. In order for the FTS to evolve with technology, careful attention must be paid to the system''s functional architecture. This paper describes an

Research Issues in Process Planning at the National Bureau of Standards

October 1, 1987
Author(s)
Peter Brown, Steven R. Ray
Several years ago, the Automated Manufacturing Research Facility (AMRF) project was established at the Gaithersburg site of the National Bureau of Standards (NBS). This facility is unique in several ways: first, all manufacturing activities are under

Investigation of L'Ambiance Plaza Building Collapse in Bridgeport, Connecticut (NBS IR 87-3640)

September 30, 1987
Author(s)
C G. Culver, C. F. Scribner, R D. Marshall, Felix Y. Yokel, John L. Gross, Charles W. Yancey, E. M. Hendrickson
Results from an investigation to determine the cause of the collapse of the L'Ambiance Plaza building on April 23, 1987 are presented. The building was being constructed using the lift-slab method: collapse occurred during construction. The investigation

Quantitative characterization of the viscosity of a microemulsion

September 15, 1987
Author(s)
Robert Berg, Michael Moldover, John S. Huang
We have measured the viscosity of the three-component microemulsion water/decane/ AOT as a function of temperature and droplet volume fraction. At temperatures well below the phaseseparation temperature the viscosity is described by treating the droplets

Contour-to-Grid Interpolation with Nonlinear Finite Elements: A Feasibility Study

September 1, 1987
Author(s)
Betty Mandel, Javier Bernal, Christoph J. Witzgall
The U.S. Army Engineer Topographic Laboratories and the National Bureau of Standards investigated the computational feasibility of developing a contour-to-grid algorithm by: (l) sampling a large set of digitized cartographic contour data with a tolerance

Multiple Programs in One UNIX Process

September 1, 1987
Author(s)
Don E. Libes
A small operating system (XINU) was ported to UNIX 4.2BSD. The entire operating system runs as a single UNIX process. The code is approximately 1000 lines of C (including comments) and 6 lines of assembler. All of the code is user-level, and thus presents

Viscosity and density of two alkali metal mixtures

September 1, 1987
Author(s)
Robert Berg, Michael Moldover, Savely Rabinovich, Alexander Voronel
We have measured the density and viscosity of a K-Cs binary mixture and a Na-K-Cs ternary mixture from their crystallisation points (234 K and 199 K respectively) to 300 K. Extrapolations of the fluidity data indicate that the effective glass temperatures
Displaying 63701 - 63725 of 74347
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