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Displaying 11951 - 11975 of 13225

Subsolidus Phase Relationships of the BaO-Y 2 O 3 -CuO x System Under Carbonate-Free Conditions at p O d2^^=100 Pa and at p O d2^^=21 kPa

August 1, 2002
Author(s)
Winnie K. Wong-Ng, Lawrence P. Cook, J Suh
… equilibria are focused on the use of coated conductor technology for fabrication of superconducting tape. Although … Experimental results are used to establish tie-lines in the BaO-rich part of the phase diagram, and have confirmed a difference in tie-line distribution among Ba 2 YCu 3 O x , Ba 4 YCu 3 O …

Direct Measurement of the Reaction Front in Chemically Amplified Photoresists

July 1, 2002
Author(s)
Eric K. Lin, Sushil K. Satija, Wen-Li Wu, Christopher L. Soles, D L. Goldfarb, B C. Trinque, S D. Burns, Ronald L. Jones, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, M Angelopoulos, C G. Willson
… 5) nm, comparable to the size of the polymeric molecules in the materials used to pattern them. The current technology, chemically amplified photoresists, utilizes a … process to delineate patterned areas soluble in a developer solution with high spatial resolution. …

Design and Development of a Measurement and Control System for Measuring SEM Magnification Calibration Samples

June 1, 2002
Author(s)
Crossley E. Jayewardene, William J. Keery, Michael T. Postek, Andras Vladar, Bradley N. Damazo
… The National Institute of Standards and Technology (NIST) has provided industry with a scanning … the certification of the SRM 2090 artifact samples in a specialized metrology microscope. SRM 2090 is certified … the sample under a finely focused stationary electron beam in the metrology electron microscope. Using a laser …

Observations of Room Temperature Creep Recovery in Titanium Alloys

March 1, 2002
Author(s)
M Savage, T Neeraj, M J. Mills
… that significant room-temperature recovery occurs in technologically relevant titanium alloys. These recovery mechanisms are manifested as a dramatic increase in creep rates (by several orders of magnitude) upon the … days, during primary creep tests. Significant increases in both creep rate and the total accumulated creep strain …

Recommendation for Interstate Criminal History Transmission Specification

November 1, 2001
Author(s)
Michael D. Garris
… (FBI) presented the National Institute of Standards and Technology (NIST) with of copy of the JTF¿s specification and … the JTF¿s published schema, rap sheet, and stylesheet in an effort to bring them up to current standards and … with a variety of tools. NIST was successful in achieving these objectives, and revised files are provided …

The Effect of Statistical Fluctuation, Finite Size Error, and Digital Resolution on the Phase Percolation and Transport Properties of the NIST Cement Hydration Model

October 1, 2001
Author(s)
Edward J. Garboczi, Dale P. Bentz
… The National Institute of Standards and Technology (NIST) cement hydration model starts with a … resolution to represent the reality of continuum shapes in a fairly small periodic unit. As such, it is potentially … of digital resolution. This paper evaluates the model in light of these potential sources of error, along with the …

Project-Oriented Life-Cycle Costing Workshop for Energy Conservation in Buildings

September 1, 2001
Author(s)
S Fuller, Amy S. Rushing, G M. Meyer
… and presented by the National Institute of Standards and Technology (NIST) under the sponsorship of the Federal Energy … This project-oriented workshop focuses on special topics in LCC analysis that build on the material treated in NIST's basic LCC workshop for energy and water …

A Comparison of the Security Requirements for Cryptographic Modules in FIPS 140-1 and FIPS 140-2

June 1, 2001
Author(s)
Stanley R. Snouffer, Arch Oldehoeft
… to protect information and communications used in critical infrastructures, electronic commerce, and other … application areas. Cryptographic modules are implemented in these products and systems to provide cryptographic … from questions and comments and reflects changes in technology. The standard was strengthened, but not changed in …

Improved Real-Scale Fire Measurements Having Meaningful Uncertainty Limits (NISTIR 6588)

November 1, 2000
Author(s)
William M. Pitts, George W. Mulholland
… The National Institute of Standards and Technology has undertaken a long-term effort designed to … measurements having quantiftable uncertainties in real-scale fire environments. The adopted approach has two … The measurement of smoke mass concentration is discussed in some detail as an example of how a measurement approach …

NIST-BMDO Transfer Radiometer (BXR)

April 1, 2000
Author(s)
Timothy M. Jung, Adriaan C. Carter, Steven R. Lorentz, Raju V. Datla
… (LBIR) facility at the National Institute of Standards and Technology (NIST) for the Ballistic Missile Defense …

Electronic Display and Imaging Metrology at NIST

January 1, 2000
Author(s)
Edward F. Kelley
… The activities at the National Institute of Standards and Technology (NIST) in the areas of photonics, optoelectronics, imaging, … of the divisions, groups, and some projects involved in photonics and imaging research. This document is divided …

Using XML in a Software Diagnostic Tool

December 6, 1999
Author(s)
Alden A. Dima
… for the user to sort through and make sense of the output. In addition, the output is often formatted in a manner that makes automated filtering inconvenient.One … development at the National Institute of Standards and Technology. VMView serves as a means to capture the internal …

NIST Programs for Calibrations in the Far Ultraviolet Spectral Region

November 1, 1999
Author(s)
Robert E. Vest, L R. Canfield, Mitchell L. Furst, R M. Graves, A D. Hamilton, L R. Hughey, Thomas B. Lucatorto, R P. Madden
… The National Institute of Standards and Technology (NIST) serves the growing ultraviolet user … throughout the spectral range from 2 nm to 400 nm. In this paper we describe the far ultraviolet transfer … types of transfer standard detectors are issued by NIST in the spectral range from 5 nm to 254 nm: Al 2 O 3 …

Gray Calibration of Digital Cameras to Meet NIST Mugshot Best Practice

June 1, 1999
Author(s)
M Rubinfeld, Charles L. Wilson
… gray intensity level, specified for background color in the BPR document. The first part of the experiment was … to determine the characteristics of specific cameras used in the experiment by measuring the rendered version of … These results will soon be out of date because the technology is changing very rapidly. …

Non-Uniquenes of the ITS-90 From 13.8033 K to 24.5561 K

June 1, 1999
Author(s)
Christopher W. Meyer, Gregory F. Strouse, Weston L. Tew
… Temperature Scale of 1990 (ITS-90) is defined in the region 3.0 K to 24.5561 K by an interpolating constant … K to 24.5561 K the possibility exists for non-uniqueness in the ITS-90 due to the overlap of three equally valid … constructed at the National Institute of Standards and Technology. The apparatus includes an ICVGT that uses 4He as …

The Knowledge Continuum - Organizing for Research and Scholarly Communication

March 1, 1999
Author(s)
P Vassallo
… Services (OIS) at the National Institute of Standards and Technology is undergoing a major organizational transition to … which contribute to the creation of new knowledge in the research environment form part of a continuum which … structure which extends its contribution and role in the scholarly process of research to produce and …

Warm-Hip Compaction of Attrition-Milled Iron Alloy Powders

January 1, 1999
Author(s)
J C. Rawers, Frank S. Biancaniello, Rodney D. Jiggetts, Richard J. Fields, Maureen E. Williams
… compaction of attrition-milled iron alloy powders resulted in production of high strength, fully-dense compacts of … of producing fully-dense compacts, and (iii) difficulty in retaining the nanostructure during compaction (1,2,3). … between particles, largely by surface diffusion, results in chemical bonding. Characterization and results of Warm-HIP …

Human Behavior in the World Trade Center Evacuation

March 3, 1997
Author(s)
R F. Fahy, Guylene Proulx
… An explosion below the World Trade Center plaza in New York City on February 26, 1993, killed six workers, and resulted in injuries to over 1,000 occupants as they made their way … project, funded by the National Institute of Standards and Technology, the General Services Administration, NFPA and …
Displaying 11951 - 11975 of 13225
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