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NIST Authors in Bold

Displaying 37726 - 37750 of 73697

Nanoscale Elastic-Property Mapping with Contact-Resonance-Frequency AFM

December 31, 2004
Author(s)
Donna C. Hurley, Tony B. Kos, Paul Rice
We describe dynamic atomic force microscopy (AFM) techniques to map the nanoscale elastic properties of surfaces, thin films, and nanostructures. Our approach is based on atomic force acoustic microscopy (AFAM) methods that have previously been used for

NIST Handbook 133: Checking the Net Contents of Packaged Goods (2004 Ed.)

December 31, 2004
Author(s)
Linda D. Crown, Kenneth S. Butcher
This handbook has been prepared as a procedural guide for the compliance testing of net content statements on packaged goods. Compliance testing of packaged goods is the determination of the conformance of the results of the packaging, distribution, and

Policy Issues for R&D Investment in a Knowledge-Based Economy

December 31, 2004
Author(s)
Gregory C. Tassey
The ‘‘Internet Revolution’’ induced an unbalanced perspective on future economic growth strategies. Because information technology (IT) largely constitutes an infrastructure upon which other economic activity is based, its economic role is to facilitate

Self-contained automated construction deposition system

December 31, 2004
Author(s)
R L. Williams, James S. Albus, Roger V. Bostelman
This article presents a novel autonomous system concept for automated construction of houses and other buildings via deposition of concrete and similar materials. The overall system consists o f a novel cable-suspended mobility subsystem (a selfcontained

Submillimeter and THz Detection of Chemical-Warfare Agents in Air

December 31, 2004
Author(s)
Vyacheslav B. Podobedov, R J. Lavrich, T M. Korter, Gerald T. Fraser, David F. Plusquellic, A C. Samuels
Experimental measurements and theoretical calculations were performed to assess the potential for using continuous-wave submillimeter and THz (far-infrared) linear-absorption spectroscopies to detect chemical-warfare agents in air at ambient temperatures

Superconductors: An Emerging Power Technology

December 31, 2004
Author(s)
John (Jack) W. Ekin
Superconductors offer effectively zero resistance to the flow of electricity and thus have the potential to significantly reduce Joule energy losses in the distribution and utilization of electric power, as well as the size and weight of power generators

The Critical Value of NIST to the Worldwide Metrology Interoperability Effort

December 31, 2004
Author(s)
John A. Horst, R Waite
The uniqueness and importance of the role of NIST to the worldwide metrology interoperability effort is explained and defended. The highlights of accomplishments by NIST in support of metrology interoperability are recounted, followed by a brief history of

Using ontologies to aid navigation planning in autonomous vehicles

December 31, 2004
Author(s)
Craig I. Schlenoff, Stephen B. Balakirsky, M Uschold, R Provine, S Smith
This paper explores the hypothesis that ontologies can be used to improve the capabilities and performance of on-board rout planning for autonomous vehicles. We name a variety of general benefits that ontologies may provide, and list numerous specific ways

FORENSIC STUDY OF THE STEEL IN THE WORLD TRADE CENTER

December 30, 2004
Author(s)
Thomas A. Siewert, Joseph D. McColskey, Christopher N. McCowan, Frank W. Gayle, William E. Luecke, Stephen W. Banovic, Timothy J. Foecke, Richard J. Fields
In September of 2002, the National Institute of Standards and Technology began a two-year investigation into the World Trade Center (WTC) disaster of September 11, 2001. Now almost complete, the investigation addresses many aspects of the catastrophe, from

Chip-scale atomic magnetometer

December 27, 2004
Author(s)
P Schwindt, Svenja A. Knappe, V Shah, Leo W. Hollberg, John Kitching, Li-Anne Liew, John Moreland
Using the techniques of micro-electro-mechanical systems (MEMS), we have constructed a small, low-power magnetic sensor based on alkali atoms. By measuring the energy shift of the atoms' magnetic moment due to a magnetic field via a coherent population

Liposomes As Model Cellular Systems

December 21, 2004
Author(s)
Laurie E. Locascio, Wyatt N. Vreeland, Andreas Jahn, Michael Gaitan
The discovery that phospholipids spontaneously form fluid-filled bubbles when exposed to aqueous solution was first made by Alec Bangham in the early 1960's while studying the effects of phospholipids on blood clotting in the Babraham Institute in England

TRC Thermodynamic Tables - Non-Hydrocarbons, Supplement No. 92

December 20, 2004
Author(s)
Michael D. Frenkel
New table for butyl ethanoate containing the density for the real fluid at selected temperatures and pressures. New table for 1-methylethyl ethanoate containing the density for the real fluid at selected temperatures and pressures. New table for ethyl
Displaying 37726 - 37750 of 73697
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