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Displaying 63276 - 63300 of 74371

Experimental Evaluation of Two Refrigerant Mixtures in a Breadboard Air Conditioner

April 1, 1988
Author(s)
W. J. Mulroy, M Kauffeld, Mark O. McLinden, David Didion
An experimental, water-to-water, breadboard heat pump (that is one designed to be easily reconfigured) was constructed for comparison of pure R22 to the refrigerant mixtures R22/R114 and R13/R12. three evaporator configurations were extensively studied. In

Guide to Auditing for Controls and Security: A System Development Life Cycle Approach

April 1, 1988
Author(s)
Zella G. Ruthberg, Bonnie T. Fisher, William E. Perry, John W. Lainhart, James G. Cox, Mark Gillen, Douglas B. Hunt
This guide addresses auditing the system development life cycle (SDLC) process for an automated information system (AIS), to ensure that controls and security are designed and built into the system. The guide also presents a process for deciding which

Process Planning for a Milling Machine From a Feature-Based Design

April 1, 1988
Author(s)
Thomas R. Kramer
In the Vertical Workstation (VWS) of the NBS Automated Manufacturing Research Facility, metal parts are machined automatically from a feature-based design. A simple two-and-a- half dimensional part may be designed and machined within an hour, allowing half

Cone Calorimeter Evaluation of the Flammability of Composite Materials.

March 1, 1988
Author(s)
James E. Brown, E Braun, W H. Twilley
A study was undertaken to evaluate the fire performance of composite materials using the cone calorimeter as the bench-scale method of test simulating the thermal irradiance from fires of various magnitudes. Five parameters were derived from the

Cool It!

March 1, 1988
Author(s)
John H. Lehman

Implementation of the Coordinate Measuring Machine Controller

March 1, 1988
Author(s)
Howard T. Moncarz, Ted Hopp, P Leazark
This document describes the implementation specifics of the Coordinates Measuring Machine Controller (CMMC) program as of March 26, 1987. This program runs under the control of the ECS program that is described in the document Implementation of the

Linear and Non-Linear Atom Optics with Bose Einstein Condensates

March 1, 1988
Author(s)
S L. Rolston
A sample of Bose-Einstein condensed atoms is an ideal source for atoms optics experiments due to the low velocity spread, the large number of atoms, and the coherent nature of the condensate. We have performed a series of experiments using condensates of
Displaying 63276 - 63300 of 74371
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