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Displaying 63626 - 63650 of 74242

Free-carrier relaxation dynamics in the normal state on sintered YBa2Cu3O7-y

August 1, 1987
Author(s)
Stephen E. Russek, P. E. Sulewski, T. W. Noh, J. T. McWhirter, A.J. Sievers, R A. Buhrman, C S. Jee, J. E. Crow, R. E. Saloman, G. Myer
The conductivity of YBa2Cu3O7-y in the normal state has been obtained from a measurement of the reflectivity over a wide frequency range. The product of the Drude model parameters Wpt

Vapor Compression Heat Pump Cycle With Desorber/Absorber Heat Exchange

August 1, 1987
Author(s)
R Radermacher
In this paper, a special version of a vapor compression heat pump cycle with solution circuit is introduced. In this cycle, the gliding temperature intervals are deliberately chosen so large, that the highest temperature in the desorber (evaporator) is

Note on Real Time Parametric Cubic Segment Curve Generation

July 31, 1987
Author(s)
M Roche, W Li
As coordinate values are determined, we wish to add them to an array and apply an interpolation procedure to the new coordinate values of the array. That is, as the sequence is being increased, it will be interpolated by a cubit fit. We will exhibit two

RCS Application Example: Tool Changing on a Horizontal Machining Center

July 31, 1987
Author(s)
J Fiala, Albert J. Wavering
A large six-axis manipulator performs material handling tasks for a horizontal machining center in the National Bureau of Standards' Automated Manufacturing Research Facility. The manipulator is controlled by the Real-time Control System (RCS), a

A Distributed Database Architecture for an Integrated Manufacturing Facility

July 1, 1987
Author(s)
V Krishnamurthy, Stanley Su, H Lam, Mary Mitchell, Edward J. Barkmeyer Jr.
A typical manufacturing facility uses a set of heterogeneous computer systems to support various design, planning, and manufacturing activities. These systems usually consist of different hardware (computers, NC machines, robots and workstations), software

SIMA Reference Architecture Part I: Activity Models

July 1, 1987
Author(s)
Edward J. Barkmeyer Jr., Neil Christopher, Shaw C. Feng, James E. Fowler, Simon P. Frechette, Albert T. Jones, Kevin K. Jurrens, Charles R. McLean, Mike Pratt, Harry A. Scott, M. K. Senehi, Ram D. Sriram, Evan K. Wallace
This report describes the activities and information flows inherent in the product realization process for discrete electro-mechanical parts and products. That is, it describes the technical functions which must be performed to take a part/product from

Large Angle Superelastic Electron Scattering from Na(3P)

June 28, 1987
Author(s)
Jabez McClelland, Michael H. Kelley, Robert Celotta
Measurements of superelastic scattering of 2eV electrons from oriented Na(3P) atoms have been carried out over the angular range 10 to 120°. Results are presented in terms of L perp}, the angular momentum transferred perpendicular to the scattering plane

Distributed Databases on the Factory Floor

June 1, 1987
Author(s)
Cita M. Furlani, Donald E. Libes, Edward J. Barkmeyer Jr., Mary Mitchell
A major facility for manufacturing research exists at the National Bureau of Standard (NBS). The Automated Manufacturing Research Facility (AMRF) serves as a test bed and demonstration facility in support of research by workers from NBS, industry, academia
Displaying 63626 - 63650 of 74242
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