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Displaying 14676 - 14700 of 17285

Elemental characterization of Single-Wall Carbon Nanotube (SWCNT-1) reference material by neutron and prompt gamma activation analysis

April 7, 2015
Author(s)
Rick L. Paul, Rabia Oflaz, Jan Kucera, J W Bennett, E. A. De Nadai Fernandes, M. Kubesova, M. A. Bacchi, A. J. Stopic, R. E. Sturgeon, P. Grinberg
Instrumental neutron activation analysis with both relative and k0 standardization was used in four experienced laboratories to determine element mass fractions in single-wall carbon nanotube certified reference material (CRM) SWCNT-1. Results obtained

Shape-changing magnetic assemblies as high-sensitivity NMR-readable nanoprobes

April 2, 2015
Author(s)
Gary Zabow, Stephen Dodd, Alan Koretsky
Fluorescent and plasmonic probes have proven invaluable in the life sciences, but function poorly in optically inaccessible regions. Here we present radio-frequency addressable analogs that afford sensing opportunities similar to those of fluorescent

Toward Metamodels for Composable and Reusable Additive Manufacturing Process Models

August 12, 2014
Author(s)
Paul W. Witherell, Shaw C. Feng, Timothy Simpson
Despite the existence and interest in additive manufacturing (AM) for many decades, industry adoption of AM technologies has been relatively slow. Recent advances in modeling and simulation of AM processes and materials are providing new insights to help

BPMN Profile for Operational Requirements

June 2, 2014
Author(s)
Conrad E. Bock, Raphael Barbau, Anantha Narayanan Narayanan
An important aspect of systems and products is how they interact with their environment, including how they are operated. Behaviors external to systems usually involve people not trained in the details of how systems are designed and built, but who need to

Precise Measurement of Lunar Spectral Irradiance at Visible Wavelengths

November 12, 2013
Author(s)
Keith R. Lykke, John T. Woodward IV, Allan W. Smith, Claire E. Cramer
We report a measurement of lunar spectral irradiance with an uncertainty below 1 % from 420 nm to 1000 nm. This measurement uncertainty meets the stability requirement for many climate data records derived from satellite images, including those for

Improvement of Quality in Publication of Experimental Thermophysical Property Data: Challenges, Assessment Tools, Global Implementation, and Online Support

September 6, 2013
Author(s)
Robert D. Chirico, Michael D. Frenkel, Joe W. Magee, Vladimir Diky, Chris D. Muzny, Andrei F. Kazakov, Kenneth G. Kroenlein, Ilmutdin M. Abdulagatov, William E. Acree, Jr., Joan F. Brennecke, Paul L. Brown, Peter T. Cummings, Theodoor W. de Loos, Daniel G. Friend, Anthony R. Goodwin, Lee D. Hansen, William M. Haynes, Nobuyoshi Koga, Andreas Mandelis, K N. Marsh, Paul M. Mathias, Clare McCabe, O'Connell J. P., Agilio Padua, Vicente Rives, Christoph Schick, Martin P. Trusler, Sergey Vyazovkin, Ron D. Weir, Jiangtao Wu
… cooperative effort between the U. S. National Institute of Standards and Technology (NIST) and five major journals in …

The SIM time scale

April 20, 2013
Author(s)
Michael A. Lombardi, J. Mauricio Lopez-Romero, Nelida Diaz-Munoz, E. de Carlos-Lopez
… that require synchronization to national and international standards. This paper presents and discusses an international …
Displaying 14676 - 14700 of 17285
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