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Search Publications

NIST Authors in Bold

Displaying 47526 - 47550 of 73697

Internet Commerce for Manufacturing Data Staging

July 1, 2000
Author(s)
C Parks, Jim G. Nell
This paper describes the process-flow model as proposed for use in the Internet Commerce for manufacturing (ICM), a project of the National Advanced Manufacturing Test Bed program. This model will be used to identify those internet-facilitated transactions

Low-Frequency Impedance Calibrations at NIST

July 1, 2000
Author(s)
Andrew D. Koffman, Yui-May Chang
This paper presents an overview of the low-frequency impedance measurement services offered through the Impedance Calibration Laboratory (ICL) at the National Institute of Standards and Technology (NIST). Emphasis will be given to recent improvements as

Management Data Specification for Supply Chain Integration

July 1, 2000
Author(s)
Yung-Tsun Lee, Shigeki Umeda
This document specifies a framework of communication data in a supply chain system, which is viewed as a virtual enterprise. First presented is a requirement analysis to identify the information necessary to represent the communication for the produciton

Manufacturing Feature Recognition from Solid Models: A Status Report

July 1, 2000
Author(s)
Jung-Hyun Han, Mike Pratt, William Regli
Solid modeling refers to techniques for unambiguous representations of three-dimensional objects. Feature recognition is a sub-discipline focusing on the design and implementation of algorithms for detecting manufacturing information such as holes, slots

Manufacturing Planning and Execution Objects Foundation Interfaces

July 1, 2000
Author(s)
Shaw C. Feng
Process planning and manufacturing execution software systems provide two major functions in a product development cycle. Industries require the systems that support these two functions to be able to interoperate with other related manufacturing software

MatML: An XML for Standardizing Web-Based Materials Property Data

July 1, 2000
Author(s)
E F. Begley, C P. Sturrock
Hypertext Markup Language (HTML) may be current lingua franca of the World Wide Web, but it is poorly suited for exchanging multidimensional data for any kind, including materials property data. XML, or eXtensible Markup Language, provides for the

Measurements in Support of Research Accomplishments

July 1, 2000
Author(s)
D S. Pallett, John S. Garofolo, Jonathan G. Fiscus
This paper reviews the role provided by the National Institute of Standards and Technology (NIST) in the development of measurements in support of broadcast news-based technologies. The focus of these measurements was initially on specifying the word error

Michelson Interferometry With 10 PM Accuracy

July 1, 2000
Author(s)
John R. Lawall, Ernest G. Kessler
We demonstrate a new heterodyne Michelson interferometer design for displacement measurements capable of fringe interpolation accuracy of one part in 36,000. Key to this level of accuracy are the use of two accousto-opic modulators for heterodyne frequency

Microcalorimeter Energy-Dispersive Spectrometry Using a Low Voltage Scanning Electron Microscope

July 1, 2000
Author(s)
David A. Wollman, Sae Woo Nam, Gene C. Hilton, Kent D. Irwin, Norman F. Bergren, David A. Rudman, John M. Martinis, Dale Newbury
We describe the current performance of the prototype microcalorimeter energy-dispersive spectrometer (5cal EDS) developed at NIST for X-ray microanalysis. We show that the low-energy 5cal EDS, designed for operation in the energy range 0.2-2 keV, offers

Microsegregation in Peltier Interface Demarcation

July 1, 2000
Author(s)
Y Dabo, H N. Thi, Sam R. Coriell, Geoffrey B. McFadden, Q Li, B Billia
Experimental results on solute microsegregation induced by Peltier Interface Demarcation (PID) technique during directional solidification of Bi-1 wt % Sb alloys are presented. These data are compared with the results of numerical simulation and the theory

Microwave Detection of Stress Induced Farigue Cracks in Steel and Potential of Crack Opening Determination Using a New Phase Sensitive Approach Based on a Waveguide Magic TEE

July 1, 2000
Author(s)
N Qaddoumi, E Ranu, R Zoughi, Joseph D. McColskey
Detection and evaluation of surface cracks in metals is an important facet of nondestructive testing and evaluation (NDT&E). Cracks in bridges, aircraft wings and other metal structures can pose serious danger to the structure and ultimately human lives

Mining Usability Information from Log Files: A Multi-Pronged Approach

July 1, 2000
Author(s)
Michelle P. Steves, Emile L. Morse
This is a position paper for a workshop concerned with issues and experiences surrounding logged data for on-line communities. We briefly describe relevant elements of a field study of a group of welding engineers using a collaborative system conducted at

Modeling Requirements for Self-integrating Manufacturing Systems

July 1, 2000
Author(s)
Peter O. Denno
This paper discusses modeling requirements to support self-integrating manufacturing systems. Business process re-engineering, as it is currently performed, is driven by the same information as may drive the re-engineering process of future self

Monitoring and Controlling Operations

July 1, 2000
Author(s)
Albert T. Jones, Evan K. Wallace, Yuehwern Yih
This work is a chapter in a forthcoming Handbook of Industrial Engineering. The chapter contains five sections. In addition to a short introduction and a shorter summary, this paper has three technical sections. The first section talks about control

NCSL Pressure Comparison At 0.69 Mpa (100 psi) and 1.4 Mpa (200 psi)

July 1, 2000
Author(s)
Robert G. Driver, James W. Schmidt
The pressure and Vacuum Group at NIST has piloted a pressure comparison under the auspices of the Measurement comparison program committee for the NCSL. A 1.4 MPa (~200 psi)transducer package used as a transfer standard was circulated among 20 domestic
Displaying 47526 - 47550 of 73697
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