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NIST Pubs

Empirical Modeling of Electromagnetic Acoustic Transducer Data

August 1, 1999

Author(s)

Kevin J. Coakley, A V. Clark, C S. Hehman

National Advanced Manufacturing Testbed: A Distributed Testbed Enabling Collaborative Research between Scientists and Engineers at Remote Locations

August 1, 1999

Author(s)

David C. Stieren, Robert J. Densock, Mark E. Luce

The National Advanced Manufacturing Testbed (NAMT) is a distributed testbed enabling collaborative research between scientists and engineers at the National...

NIST Reference Densitometer for Visual Diffuse Transmission Density

July 26, 1999

Author(s)

E A. Early, Christopher L. Cromer, X Xiong, D J. Dummer, Thomas R. O'Brian, Albert C. Parr

The Optical Technology Division of the National Institute of Standards and Technology has developed a new reference densitometer for measuring visual diffuse...

Primary Phase Field of the Pb-Doped 2223 High Tc Superconductor in the (Bi,Pb)-Sr-Ca-Cu-O System

July 23, 1999

Author(s)

Winnie K. Wong-Ng, Lawrence P. Cook, Anthony J. Kearsley, W Greenwood

Both liquidus and subsolidus phase equilibrium data are of central importance for applications of high temperature superconductors in the (Bi,Pb)-Sr-Ca-Cu-O...

The NIST Length Scale Interferometer

July 23, 1999

Author(s)

John S. Beers, William B. Penzes

The National Institute of Standards and Technology (NIST) interferometer for measuring graduated length scales has been in use since 1965. It was developed in...

Survey of Fire Detection Technologies and System Evaluation/Certification Methodologies and Their Suitablity for Aircraft Cargo Compartments (NISTIR 6356)

July 1, 1999

Author(s)

Thomas G. Cleary, William L. Grosshandler

As part of the National Aeronautics and Space Administration (NASA) initiated program on global civil aviation, NIST is assisting the Federal Aviation...

Dispersed Liquid Agent Fire Suppression Screen Apparatus

July 1, 1999

Author(s)

Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler, N C. Prive

The design, construction, demonstraion and operation of a bench-scale device capable of screening the fire suppression efficiency of liquid agents are described...

Report from the 2nd Workshop on: Characterization and Modeling of the Interface/Interphase of Polymeric Materials and Systems December 7 and 8, 1998

July 1, 1999

Author(s)

Tinh Nguyen, Charles C. Han, Richard R. Cavanagh, R Ryntz

The interface/interphase region plays a fundamental role in a wide range of polymeric materials and systems such as polymer blends and alloys, nanocomposites...

The Seventh Text REtrieval Conference (TREC-7)

July 1, 1999

Author(s)

Ellen M. Voorhees, Donna K. Harman

This report constitutes the proceedings of the seventh Text REtrieval Conference (TREC-7) held in Gaithersburg, Maryland, November 9-11, 1998. The conference...

TBT Agreement Activities of the National Institute of Standards and Technology 1998

July 1, 1999

Author(s)

JoAnne R. Overman, A D. Lay

This report describes the World Trade Organization (WTO) Agreement on Technical Barriers to Trade (TBT Agreement) activities conducted by the National Institute...

Free Trade Area of the Americas (FTAA) Conformity Assessment Infrastructure

July 1, 1999

Author(s)

C Londono

This publication summarizes the status of the technical infrastructure for conformity assessment in the Americas. It provides information about inspection and...

Benchmark Experimental Database for Multiphase Combustion Model Input and Validation: Characterization of the Inlet Combustion Air

July 1, 1999

Author(s)

J F. Widmann, S R. Charagundla, Cary Presser

The air flow through a vane-cascade swirl generator is examined both experimentally and numerically to characterize the inlet combustion air flow entering a...

The Switched Coupler Measurement System for High Power RF Calibrations

July 1, 1999

Author(s)

J. W. Allen

Analyzing the Effects of Capacitances-to-Shield in Sample Probes on AC Quantized Hall Resistance Measurements

July 1, 1999

Author(s)

Marvin E. Cage, Anne-Marie Jeffery

We analyze the effects of the large capacitances-to-shields existing in all sample probes on measurements of the ac quantized Hall resistance R H. The object of...

A Unique Institution: The History of NBS, 1950-1969

June 30, 1999

Author(s)

E Passaglia, K A. Beal

A follow-on to Measures for Progress by Rexmond C. Cochrane, this work covers the history of the National Bureau of Standards (NBS) from 1950-1969. While the...

A Complete Multimode Equivalent-Circuit Theory for Electrical Design

June 22, 1999

Author(s)

Dylan F. Williams, L. A. Hayden, Roger Marks

This work presents a complete equivalent-circuit theory for lossy multimode transmission lines. Its voltages and currents are based on general linear...

New Flame Retardants Consortium: Flame Retardant Mechanism of Silica. Final Report (NISTIR 6357)

June 1, 1999

Author(s)

Jeffrey W. Gilman, Takashi Kashiwagi, Marc R. Nyden, Richard H. Harris Jr.

The results of a two year research project carried out with the "New Flame Retardants Consortium" are reported. This investigation into the flame retardant...

Lexicographical Manipulations for Correctly Computing Regular Tetrahedralizations With Incremental Topological Flipping

June 1, 1999

Author(s)

Javier Bernal

Edelsbrunner and Shah have proven that incremental topological flipping works for constructing a regular triangulation for a finite set of weighted points in d...

Triangulation-Based L₁-fitting of Terrain Surfaces

June 1, 1999

Author(s)

Javier Bernal, Christoph J. Witzgall

Given a planar triangulation, the goal is to select elevations at its vertices so that resulting piecewise-linear triangulated surface approximates specified...

Assessing Algorithms as Computational Models for Human Face Recognition

June 1, 1999

Author(s)

P J. Phillips, Alice J. O'Toole, Y Cheng, B Ross, H A. Wild

We assessed the qualitative accord between several automatic face recognition algorithms and human perceivers. By comparing model- and human-generated measures...

The Optimal Pricing of Publicly Supplied Private Goods: A Case Study of NIST Standard Reference Materials

June 1, 1999

Author(s)

S Fuller, J J. Cordes

This study provides a framework for determining optimal prices and production plans for a welfare-maximizing public enterprise that producesmultiple goods...

Standard Reference Materials: Tin Freezing-Point Standard - SRM 741a

June 1, 1999

Author(s)

Gregory F. Strouse, N P. Moiseeva

The freezing point of tin (231.928 degrees C) is a defining fixed point of the International Temperature Scale of 1990 (ITS-90). Realization of this freezing...

Gray Calibration of Digital Cameras to Meet NIST Mugshot Best Practice

June 1, 1999

Author(s)

M Rubinfeld, Charles L. Wilson

A primary objective of any process of photography, electronic publishing, or printing is to reproduce all colors as perfectly as possible. A good starting point...

Shape Parameter for a Non-Axisymmetric Isothermal Dendrite

June 1, 1999

Author(s)

Geoffrey B. McFadden, Sam R. Coriell, R F. Sekerka

In previous work, we found approximate solutions for paraboloids having perturbations with four-fold axial symmetry in order to model dendritic growth in cubic...

Dynamic Contact Angle of a Liquid Spreading on a Heated Plate

June 1, 1999

Author(s)

Dean C. Ripple

An equation determining the steady-state profile of a liquid meniscus advancing or receding across a heated plate is derived. The effects of liquid evaporation...

An Overview of the Development of Technical Infrastructure in the Asia-Pacific Region: The Work of the Asia-Pacific Economic Cooperation (APEC) Sub-Committee in Standards and Conformance (SCSC) and the Specialist Regional Body (SRBS)

June 1, 1999

Author(s)

C R. DeVaux

The development and maintenance of an economy's standards and conformance technical infrastructure is critical to its economic health. By increasing the...

Vacuum Processing Technique for Development of Primary Standard Blackbodies

June 1, 1999

Author(s)

Magdalena Navarro, Sally Bruce, B. Carol Johnson, A V. Murthy, Robert D. Saunders

Blackbody sources with nearly unity emittance that are in equilibrium with a pure freezing metal such as gold, silver, or copper are used as primary standard...

Standard Reference Materials: The Certification of 100 mm Diameter Silicon Resistivity SRMs 2541 through 2547 Using Dual-Configuration Four-Point Probe Measurements

June 1, 1999

Author(s)

James R. Ehrstein, C M. Croarkin

This report documents the selection of material, the certification procedure and its control, and the analysis of measurement uncertainty for a family of new...

Determination of Water Spray Drop Size and Speed From a Standard Orifice, Pendent Spray Sprinkler. Report of Test.

May 27, 1999

Author(s)

Anthony D. Putorti Jr., T D. Belsinger, W H. Twilley

In order to characterize the water spray from a standard orifice,pendent spray sprinkler, measurements were made using an optical array probe droplet analyzer...

Computer Attacks: What They Are and How to Defend Against Them

May 26, 1999

Author(s)

Peter M. Mell

Although a host of technologies exists to detect and prevent attacks against computers, a human must coordinate responding to a successful network penetration...

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