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Displaying 52476 - 52500 of 74036

Assessment, Strengthening, and Repair Technologies for Buildings, Industrial Facilities, and Lifelines

March 1, 1998

Author(s)

Richard N. Wright

Experiences of catastrophic earthquakes such as San Francisco 1906, Kanto 1923, Northridge 1994, and Kobe 1995 show that great human and economic losses arise from unsatisfactory performance of the built environment: buildings, industrial facilities, and

Book Review: Handbook of Physical Properties of Liquids and Gases

March 1, 1998

Author(s)

Joe W. Magee

Building and Fire Research Laboratory - Activities, Accomplishments and Recognitions 1997

March 1, 1998

Author(s)

A J. Fowell

This report documents the 1997 activities, accomplishments, and staff awards for the Building and Fire Research Laboratory. The accomplishments are organized under the Laboratory's three major thrusts: High Performance Materials and Systems for Constructed

Building and Fire Research Laboratory Activities, Accomplishments, and Recognitions 1997.

March 1, 1998

Author(s)

A J. Fowell

We in the Building and Fire Research Laboratory (BFRL) are pleased to present to our clients and collaborators this 1997 report of our activities, accomplishments and recognitions. As one of the National Institute of Standards and Technology's Measurement

Can a Pressure Standard be Based on Capacitance Measurements?

March 1, 1998

Author(s)

Michael R. Moldover

We consider the feasibility of basing a pressure standard on measurements of the dielectric constant [epsilon] and the thermodynamic temperature T of helium near )[degrees]C. The pressure P of the helium would be calculated using the fundamental constants

Cellular Automation Finite Difference Modeling of Morphological Evolution During Alloy Solidification

March 1, 1998

Author(s)

R E. Napolitano, T H. Sanders

Morphological evolution of a dendritic growth front in a binary alloy is simulated using a cellular automation approach to establish the feasibility of modeling such growth with a local rule-based scheme. The motivation for this work is derived from the

Cement Hydration in the Presence of Municipal Solid Waste Incineration of Fly Ash

March 1, 1998

Author(s)

S J. Remond, Dale P. Bentz, M. Pimpinella, J P. Bournazel

This study is part of a wider research program aimed at developing an assessment methodology of waste-containing concrete. This methodology is developed based on the study of mortars containing an experimental waste: MSWIFA (Municipal Solid Waste

Chopped Radiation Measurements With Large Area Si Photodiodes

March 1, 1998

Author(s)

George P. Eppeldauer

Concrete: A Multi-Scale Interactive Composite

March 1, 1998

Author(s)

Edward J. Garboczi, Dale P. Bentz

Methods have been developed for predicting the overall diffusion coefficient of ions in concrete using a multi-scale interactive analysis, ignoring any chloride binding interactions. The analysis makes use of microstructure models of mortar/concrete and

Cubic Crossover Equation of State

March 1, 1998

Author(s)

S B. Kiselev

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

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