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Displaying 52626 - 52650 of 74176

Degradation of GaAs/AlGaAs Quantized Hall Resistors With Alloyed AuGe/Ni Contacts

March 1, 1998

Author(s)

Kevin C. Lee

Diffuse Interfaces with Sharp Corners and Facets: Phase Field Models with Strongly Anisotropic Surfaces

March 1, 1998

Author(s)

J E. Taylor, John W. Cahn

We provide the general outline of an analysis of the motion of diffuse interfaces in the order-parameter (phase field) formulation which includes nondifferentiable and nonconvex gradient energy terms. Nondifferentiability leads to equilibrium and motion

Dynamic and Static Grain Growth During the Superplastic Deformation of 3Y-TZP

March 1, 1998

Author(s)

J Seidensticker, M J. Mayo

While phenomenological theories of superplasticity have often suffered from the fact that a single phenomenological law is not universally applicable to all superplastic systems, it is shown that a universal dynamic grain growth law does apply. The law is

Dynamics of Overdamped Josephson Junctions Driven by a Square-Wave Pulse

March 1, 1998

Author(s)

Junghyeun Kim, A. Sosso, Alan F. Clark

Federal Implementation Guideline for Electronic Data Interchange ASC X12 003040 Transaction Set 852 Product Activity Data Implementation Convention

March 1, 1998

Author(s)

J Favreau

The ASC X12 003040 Transaction Set 852 Product Activity Data defines the Federal Government's interpretation of the use of ASC X12 003040 standards. This implementation convention provides the information necessary for the user to be able to develop an

Federal Implementation Guideline for Electronic Data Interchange ASC X12 003050 Transaction Set 856 Ship Notice/Manifest Implementation Convention

March 1, 1998

Author(s)

J Favreau

The ASC X12 003050 Transaction Set 856 Ship Notice/Manifest defines the Federal Government's interpretation of the use of ASC X12 003050 standards. This implementation convention provides the information necessary for the user to be able to develop an

Federal Implementation Guideline for Electronic Data Interchange ASC X12 003060 Transaction Set 856W Ship Notice/Manifest (Hazardous Waste Manifest) Implementation Convention

March 1, 1998

Author(s)

J Favreau

The ASC X12 003060 Transaction Set 856W Ship Notice/Manifest defines the Federal Government's interpretation of the use of ASC X12 003060 standards. This implementation convention provides the information necessary for the user to be able to develop an

Fourth International Symposium on Roofing Technology

March 1, 1998

Author(s)

Walter J. Rossiter Jr

This report presents a summary of the Fourth International Symposium on Roofing Technology. The National Institute of Standards and Technology (NIST) Building and Fire Research Laboratory (BFRL) and the National Roofing Contractors Association (NRCA) have

Gallium Arsenide Growth on a Pancake MOCVD Reactor

March 1, 1998

Author(s)

A P. Peskin, Gary R. Hardin

Guidelines for Calibration in Analytical Chemistry: Part I. Fundatmentals and Single Component Calibration

March 1, 1998

Author(s)

Klaus Danzer, Lloyd A. Currie

This IUPAC nomenclature document has been prepared to establish a uniform and meaningful approach to terminology, notation, and formulation for calibration in analytical chemistry. In this first part, general fundamentals of calibration are presented

High Dopant and Carrier Concentration Effects in Gallium Aluminum Arsenide: Band Structure, Effective Carrier Concentrations, and Mobilities

March 1, 1998

Author(s)

Herbert S. Bennett

The changes in carrier densities of states band edges, effective carrier concentrations and carrier mobilities due to high dopant and carrier concentration effects in Ga 1-yAl yAs are calculated at 300 K ro donor densities, N D, between 10 16 cm -3 and for

High Quality Broadband Brewster's Angle Reflective Polarizer for Infrared Applications

March 1, 1998

Author(s)

D J. Dummer, Simon G. Kaplan, Leonard Hanssen, A S. Pine, Yuqin Zong

High Sensitivity Technique for Measurement of Thin Film Out-of-Plane Expansion

March 1, 1998

Author(s)

Chad R. Snyder, F I. Mopsik

We have developed a technique utilizing a capacitance measurement for the accurate determination of the out-of-plane expansion of thin films on the order of 1 micrometer thick. This is important because the coefficient of thermal expansion (CTE) is a key

High-Resolution Microcalorimeter Energy-Dispersive Spectrometer for X-Ray Microanalysis and Particle Analysis

March 1, 1998

Author(s)

David A. Wollman, Gene C. Hilton, Kent D. Irwin, L L. Dulcie, Norman F. Bergren, Dale Newbury, K. S. Woo, B. H. Liu, Alain C. Diebold, John M. Martinis

High-Resolution, High-Accuracy, Mid-IR (450 cm -1 less than or equal to} o less than or equal to} 4000 cm -1 ) Refractive Index Measurements in Silicon

March 1, 1998

Author(s)

Deane Chandler-Horowitz, Paul M. Amirtharaj, John R. Stoup

The real and imaginary part of the refractive index of silicon, n(ω) and k(ω), have been measured by using Fourier Transform Infrared (FTIR) transmission spectral data from a double-sided-polished IC grade Si wafer. An accurate independent mechanical

Hybrid Bilayer Membranes in Air and Water: Infrared Spectroscopy and Neutron Reflectivity Studies

March 1, 1998

Author(s)

Curtis W. Meuse, S. Krueger, Charles F. Majkrzak, Joseph A. Dura, Jing Fu, J. T. Connor, Anne L. Plant

Hyperfine Structure Constants for Diatomic Molecules

March 1, 1998

Author(s)

I Tupitsyn, Svetlana A. Kotochigova

The contact term A c of magnetic hyperfine parameters as a function of internuclear distance R was computed, using the all-electron Valence-Bond method, Hartzee-Fock atomic basis set and configuration-interaction wave functions. Parameters were calculated

Influence of Data Analysis and Other Factors on the Short-term Stability of Vertical Scanning-Probe Microscope Calibration Measurements

March 1, 1998

Author(s)

H Edwards, J Jorgensen, John A. Dagata, Y Strausser, J Schneir

We report a study of a fundamental limit to the accuracy of vertical measurements made using scanning-probe microscopes (SPM): the short-term stability of a vertical calibration using a waffle-pattern artifact. To test the instrumental component of this

Integration Strategies for the Reactive Scheduling System

March 1, 1998

Author(s)

David W. Thomas

Shop Floor operations can be optimized by scheduling applications that not only create an initial schedule but also allow feedback from data collection systems to enable re-scheduling. Interfaces required to integrate the various commercial applications

International Workshop on Ultrasonic and Dielectric Characterization Techniques for Suspended Particulates

March 1, 1998

Author(s)

Vincent A. Hackley, J Texter

Report on the International workshop on Ultrasonic and Dielectric Characterization Techniques for Suspended Particulates held August 4-6, 1997, at Gaithersburg, MD. The proceedings of the technical sessions are summarized.

Investigation of AE Signals Emitted from an SsiOx Layer Deposited on a PET Film

March 1, 1998

Author(s)

Nelson N. Hsu

Fracture process of SiOx glass coatings deposited on PET films was investigated by experimental and theoretical analyses of acoustic emission (AE) signals recorded in tensile tests. Thicknesses of the coating and PET film were 500 nm and 12 micro υ

Lipid Accumulation and Fatty Acid Composition During Maturation of Three Pelagic Fish Species in Lake Baikal

March 1, 1998

Author(s)

S Ju, John Kucklick, T Koslova, H R. Harvey

Measurement of Microkelvin Temperature Differences in a Critical-Point Thermostat

March 1, 1998

Author(s)

Robert F. Berg, G A. Zimmerli, Michael R. Moldover

Metering of Fluids at High Velocities with Vortex Shedding Flowmeters

March 1, 1998

Author(s)

James D. Siegwarth

Multiple Fiber Technique for the Single Fiber Fragmentation Test

March 1, 1998

Author(s)

Chang K. Moon, Walter G. McDonough

The single fiber fragmentation test has been modified by embedding multiple fibers into matrix resin. During testing, we examined the interfacial shear strengths between the fibers and the matrix. In addition, the time-dependent nature of the fragmentation

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