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Displaying 57751 - 57775 of 74189

Dielectric Properties of Materials at Cryogenic Temperatures and Microwave Frequencies

June 1, 1994

Author(s)

Richard G. Geyer, Jerzy Krupka

Distribution of Dielectric Relaxation Times and the Moment Problem

June 1, 1994

Author(s)

James R. Baker-Jarvis, Michael D. Janezic

Effect of Strain on the Critical Current of High-Tc Bi Superconductors and an Epoxy-Impregnated Bi Superconducting Coil

June 1, 1994

Author(s)

John (Jack) W. Ekin, S L. Bray, C H. Joshi, A J. Rodenbush, L. R. Motowidlo, P Haldar

Environment Simulation for a Continuous Mining Machine

June 1, 1994

Author(s)

John A. Horst

Expert Systems for Evaluating Physico-Chemical Property Values - 1. Aqueous Solubility

June 1, 1994

Author(s)

S.R. Heller, D.W. Bigwood, Willie E. May

Global Equivalence Ratio Concept and the Prediction of Carbon Monoxide Formation in Enclosure Fires (NIST Monograph 179)

June 1, 1994

Author(s)

William M. Pitts

This report summarizes a large number of investigations designed to characterize the formation of carbon monoxide (CO) in enclosures fires - the most important factor in fire deaths. It includes the first complete review and analysis of the studies which

Handling Passwords with Security and Realiability in Background Processes

June 1, 1994

Author(s)

Don E. Libes

Traditionally, background automation of interactive processes meant giving up security and reliability. With the advent of software such as Expect for controlling interactive processes, it has become possible to improve reliability and security with

High Current Pressure Contacts to Ag Pads on Thin Film Superconductors

June 1, 1994

Author(s)

Loren F. Goodrich, A N. Srivastava, Theodore C. Stauffer, Alexana Roshko, Leila R. Vale

Industry/Government Open Systems Specification Testing Framework

June 1, 1994

Author(s)

J Favreau

Initial NIST Testing Policy for STEP - Beta Testing Program for AP203 Implementation

June 1, 1994

Author(s)

Mary Mitchell

The standard for Product Data Representation and Exchange, ISO 10303, defines a neutral, computer-interpretable representation for describing product data in a manner that is independent from any particular system. This standard is more commonly known as

Integration of Servo Control into a Large-Scale Control System Design: An Example from Coal Mining

June 1, 1994

Author(s)

John A. Horst

Microwave Characterization of Printed Circuit Transmission Lines

June 1, 1994

Author(s)

Roger Marks, Dylan Williams

On-Wafer Impedance Measurement on Lossy Substrates

June 1, 1994

Author(s)

Dylan F. Williams, Roger Marks

This paper introduces a new method for measuring impedance parameters in transmission lines fabricated on lossy or dispersive dielectrics. The method, which uses an independent calibration to provide an impedance reference, compares well with conventional

Performance Evaluation of New Digital Partial Discharge Recording and Analysis System

June 1, 1994

Author(s)

P. Von, Richard J. Van Brunt

Performance Evaluation of Two Azeotropic Refrigerant Mixtures of HFC-134a With R-290 (Propane) and R-600a (Isobutane)

June 1, 1994

Author(s)

M S. Kim, W. J. Mulroy, David Didion

The reduction in chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) production and the scheduled phase-out of these ozone-depleting refrigerants require the development and determination of environmentally safe refrigerants for use in heat pumps

Performance of 1/3-Scale Model Precast Concrete Beam-Column Connections Subjected to Cyclic Inelastic Loads. Report No. 4

June 1, 1994

Author(s)

Geraldine S. Cheok, William C. Stone

Test results of four hybrid post-tensioned concrete beam-to-column connections are presented. These tests represent Phase IV B of an experimental program on 1/3-scale model precast concrete moment resisting connections being conducted at the National

Performance of Multilayer Thin-Film Multijunction Thermal Converters

June 1, 1994

Author(s)

Joseph R. Kinard Jr., D. X. Huang, Donald B. Novotny

Proceedings Report of the International Invitation Workshop on Developmental Assurance|| June 16-17, 1994| Turf Valley Country Club| Ellicott City, MD

June 1, 1994

Author(s)

Patricia R. Toth

Quantitative Analysis of Selected PCB Congeners in Marine Matrix Reference Materials

June 1, 1994

Author(s)

B. R. Hillery, J. E. Girard, Michele M. Schantz, Stephen Wise

Realizing Suspended Structures on Chips Fabricated by CMOS Foundry Processes through the MOSIS Service

June 1, 1994

Author(s)

Janet M. Cassard, Michael Gaitan, Mona E. Zaghloul, Donald B. Novotny, V. C. Tyree, J. I. Pi, C. Pina, W. Hansford

Relative Accuracy of Isolated and Unisolated FMQ Comparison Radiometers

June 1, 1994

Author(s)

D. F. Wait

Report of the NIST Workshop on Key Escrow Encryption

June 1, 1994

Author(s)

A Oldehoeft, Dennis K. Branstad

On June 10, 1994, the National Institute of Standards and Technology (NIST) hosted a one-day workshop to present and discuss key escrow encryption technology, including the recently-approved Escrowed Encryption Standard (EES), Federal Information

Scanning and Tunneling Microscopy of the Charge-Density-Wave Structure in 1T-TaS 2

June 1, 1994

Author(s)

R. E. Thomson, B Burk, A Zettl, J Clarke

Single-Phase Heat Transfer and Pressure Drop Characteristics of an Integral-Spine Fin Within an Annulus

June 1, 1994

Author(s)

Mark A. Kedzierski, M S. Kim

The laminar, single-phase heat transfer and friction characteristics of a porcupine-like surface (integral-spine-fin) within an annulus are presented. The heat-transfer coefficient was determined using a modified version of the Wilson Plot method on a 3 m

Standards Development for Information Technology: Best Practices for the United States

June 1, 1994

Author(s)

J Morell, Selden Stewart

This report summarizes the deliberations and results of the workshop on, Standards Development for Information Technology: Best Practices for the United States. The workshop was held at the Rockville, MD, June 15-16, 1994, and was sponsored by the

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