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Displaying 47601 - 47625 of 73830

Application of CW-CRDS to Monitor and Control Chemical Vapor Deposition

July 1, 2000
Author(s)
David S. Green, J P. Looney, G W. Rubloff
Continuous wave excitation cavity ring-down spectroscopy (CW-CRDS) is being evaluated for real time chemical sensing of volatile CVD byproducts (e.g. HF, H2O) and as a quantitative and robust metrology tool for advanced process control methodologies.

Architecture for Modeling and Simulation of Global Distributed Enterprises

July 1, 2000
Author(s)
Charles R. McLean, Swee K. Leong, Frank H. Riddick
This paper presents an overview of a neutral reference architecture for integrating distributed manufacturing simulation systems with each other, with other manufacturing software applications, and with manufacturing data repositories. Other manufacturing

Automated Part Tracking on the Construction Job Site

July 1, 2000
Author(s)
William C. Stone, L E. Pfeffer, K M. Furlani
Efforts are underway at the National Institute of Standards and Technology (NIST) to develop a web-based system for rapid tracking, identifying, and locating manufactured components on the construction jobsite. The approach involves the use of RFID and

Automatic Generation of Simulation Models from Neutral Libraries: An Example

July 1, 2000
Author(s)
Albert T. Jones, R A. Wysk, Y J. Son
Researchers at the National Institute of Standards and Technology have proposed the development of neutral libraries of simulation components. The availability of such libraries would simplify the generation of simulation models, enable component-based

Broadband Ac-dc Difference Calibrations of Current Shunts up to 100 A at NIST

July 1, 2000
Author(s)
Joseph R. Kinard Jr., Thomas E. Lipe Jr., Clifton B. Childers, Owen B. Laug, Jon R. Pratt
NIST is now offering broadband, ac-dc difference calibrations of current shunts from 3 A to 100 A, and at frequencies up to 30 kHz, as special tests. We present an overview of this new service including the design and construction of the NIST standard

Building a Question Answering Test Collection

July 1, 2000
Author(s)
Ellen M. Voorhees, D M. Tice
The TREC-8 Question Answering (QA) Track was the first large-scale evaluation of domain-independent question answering systems. In addition to fostering research on the QA task, the track was used to investigate whether the evaluation methodology used for

Capability in Rockwell C Scale Hardness

July 1, 2000
Author(s)
Walter S. Liggett Jr, Samuel Low, David J. Pitchure, Jun-Feng Song
A measurement system is capable if it produces measurements with uncertainties small enough for demonstration of compliance with product specifications. To establish the capability of a system for Rockwell C scale hardness, one must assess measurement

Capability in Rockwell C Scale Hardness

July 1, 2000
Author(s)
Walter S. Liggett Jr, Samuel R. Low III, David J. Pitchure, Jun-Feng Song
To determine the capability of a system for Rockwell C scale hardness, one must make test measurements, which can be planned and interpreted as explained in this paper. Uncertainty, which is one part of capability, is treated specifically, and product

Challenges in Developing Environmentally Safe Heat Pumping Systems

July 1, 2000
Author(s)
David Didion, J S. Brown
The advent of the global warming crisis has brought about a viewpoint, in many governments, that the halogen family of refrigerants should be replaced, in part or in toto, by the so-called natural refrigerants. For this proposal to be valid it is necessary

CollabLogger: A Tool for Visualizing Groups at Work

July 1, 2000
Author(s)
Michelle P. Steves, Emile L. Morse
The CollabLogger is a visual tool that has been developed to support usability analyses of human-computer interaction in a team environment. The participants in the computer-mediated activity were engaged in a small-scale manufacturing testbed project

Color Test Reagents/Kits for Preliminary Identification of Drugs of Abuse

July 1, 2000
Author(s)
Alim A. Fatah
The objective of this standard is to establish minimum requirements for color test reagent/kits to detect drugs. It is applicable to field testing kits that consist of color reagents for the preliminary identification of drugs. It does not apply to kits

Comparison of the Levels of 8-Hydroxyguanine in DNA as Measured by Gas Chromatography-Mass Spectrometry Following Hydrolysis of DNA by Escherichia Coli Fpg Protein or Formic Acid

July 1, 2000
Author(s)
H Rodriguez, J Jurado, J Laval, M. Dizdaroglu
8-hydroxyguanine (8-OH-Gua) is one of many lesions generated in DNA by oxidative processes including free radicals. It is the most extensively investigated lesion, due to its miscoding properties and its potential role in mutagenesis, carcinogenesis and

Cost and Process Information Modeling for Dry Machining

July 1, 2000
Author(s)
Shaw C. Feng, M Hattori
The cost of using coolant in machining industry world-wide is very high. Through a literature survey, it costs multi-billion dollars for coolant acquisition and disposition in industrialized countries. Furthermore, chemical substances contained in colant

Debugging Agent Interactions: A Case Study

July 1, 2000
Author(s)
David W. Flater
The Contract Net protocol is a general-purpose protocol for distributed problem solving. Many modern agent infrastructures facilitate the generation of agents supporting Contract Net. We used one such infrastructure to simulate a Contract Net-based

Design Repositories: Next-Generation Engineering Design Databases

July 1, 2000
Author(s)
Simon Szykman, Christophe Bochenek, J Racz, Ram D. Sriram
Summary of the NIST Design Repository Project, revised with some additional content on representation of function in computer-based design, and using XML to describe function and taxonomies in computer-based design.
Displaying 47601 - 47625 of 73830
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