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NIST Authors in Bold

Displaying 11901 - 11925 of 13225

Re-examination of NIST Acoustic Emission Absolute Sensor Calibration: Part II: Finite Element Modeling of Acoustic Emission Signal from Glass Capillary Fracture

January 1, 2011
Author(s)
Marvin A. Hamstad
… under the control of National Institute of Standards and Technology (NIST). This situation corresponds to the absolute sensor calibration approach described in the test method ASTM E1106-07. A number of source … compared to the signal from the capacitance sensor used in the calibration at NIST. The FEM results indicate that the …

Comparison of Orthogonal Mass Spectrometry Platforms for the Determination of Amino Acid Concentrations in Human Plasma Certifying NIST Standard Reference Material 1950

August 16, 2010
Author(s)
Mark S. Lowenthal, Karen W. Phinney, Elizabeth A. McGaw
… Absolute concentrations of amino acids in a human plasma pool were determined independently using … between platforms for quantifying 18 amino acids in NIST Standard Reference Material (SRM) 1950 Metabolites in … associated with National Institute of Standards and Technology (NIST) measurement procedures and compare closely …

Microfluidic Mixing and the Formation of Nanoscale Lipid Vesicles

April 27, 2010
Author(s)
Andreas Jahn, Samuel M. Stavis, Jennifer S. Hong, Wyatt N. Vreeland, Don L. DeVoe, Michael Gaitan
… vesicle formation process. Microfluidic device geometry in conjunction with hydrodynamic flow focusing strongly … flow velocity provides a method to fine tune vesicle size in certain focusing regimes. Although liposome formation with … reveal a complex system of fluid flow and mass transfer, in addition to the lipid self-assembly process. Our results …

NIST Calibration Services for Hydrometers.

April 19, 2010
Author(s)
John D. Wright, Vern E. Bean
… The National Institute of Standards and Technology (NIST) provides calibration services for … while it is immersed to specified scale markings in a liquid of known density (tridecane). Normally a … that accounts for the surface tension of the liquid in which the hydrometer is used. The calibration results have …

NIST Gas Hydrate Research Database and Web Dissemination Channel

April 1, 2010
Author(s)
Kenneth G. Kroenlein, Vladimir Diky, Robert D. Chirico, Andrei F. Kazakov, Chris D. Muzny, Michael D. Frenkel
… To facilitate advances in application of technologies pertaining to gas hydrates, a … Hydrates task group, an international data sharing effort, in developing a gas hydrate markup language (GHML). The …

Marine Mammal Blubber Reference and Control Materials for Use in the Determination of Halogenated Organic Compounds and Fatty Acids

March 19, 2010
Author(s)
John R. Kucklick, Michele M. Schantz, Rebecca S. Pugh, Barbara J. Porter, Dianne L. Poster, Paul R. Becker, Teresa Rowles, Stefan D. Leigh, Stephen A. Wise
… The National Institute of Standards and Technology (NIST) has a diverse collection of control … and serum. Standard Reference Material (SRM) 1945 Organics in Whale Blubber was recertified for polychlorinated biphenyl … fraction values for compounds not frequently determined in marine samples including toxaphene congeners, coplanar …

Hydrocarbon Liquid Flow Calibration Service

November 25, 2009
Author(s)
Tsyh Tyan Yeh, Jesus J. Aguilera, John D. Wright
… (HLFS) operated by the National Institute of Standards and Technology (NIST) Fluid Flow Group. The calibrator is used to …

Sources of Differences in On-Orbit Total Solar Irradiance Measurements

July 13, 2009
Author(s)
James J. Butler, R Barnes, B. Carol Johnson, Joseph P. Rice, Eric L. Shirley
… was held at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland that focused on understanding … appropriate measurement equations. The instruments studied in that workshop included ACRIM III on ACRIMSat, TIM on … Sources of Differences in On-Orbit Total Solar Irradiance Measurements …

Standardization of 68Ge/68Ga using three liquid scintillation counting-based methods

October 31, 2008
Author(s)
Brian E. Zimmerman, Jeffrey T. Cessna, Ryan P. Fitzgerald
… A solution containing 68Ge in equilibrium with its daughter, 68Ga, has been standardized … the first time at the National Institute of Standards and Technology using 3 liquid scintillation- based techniques: … with very low uncertainties (<1%, k=1) that can be used in diagnostic medical imaging. …

Infrared Spectrum and Revised Energy Levels for Neutral Krypton

October 16, 2008
Author(s)
Craig J. Sansonetti, Marion Greene
… We observed the spectrum of neutral krypton (Kr I) in its naturally occurring isotopic mixture as emitted by a … lamp with the National Institute of Standards and Technology 2-m Fourier transform spectrometer. The spectra …

Radioanalytical Emergency Response Exercise

October 16, 2008
Author(s)
Kenneth G. Inn, Iisa Outola, S Nour, Hiromu Kurosaki, L Albin, A Berne
… The National Institute of Standards and Technology (NIST Radiochemistry Intercomparison Program) and …

Analysis of Needs and Existing Capabilities for Full-Scale Fire Resistance Testing

October 1, 2008
Author(s)
J Beitel
… was conducted for The National Institute For Standards and Technology under Contact Number NA1341-02-W-0686. Hughes … a survey of historical information on fire occurrences in multi-story (defined as four or more stories) buildings, which resulted in full or partial structural collapse. Task 2. Survey Of …

Performance Evaluation of Phasor Measurement Systems

July 1, 2008
Author(s)
Zhenyu Huang, Bogdan Kasztenny, Vahid Madani, Ken Martin, Sakis Meliopoulos, Damir Novosel, Gerard N. Stenbakken
… provides a forum to facilitate cultivating the efforts in phasor technology in North America and globally.  Phasor applications have been …

An Implementation of Smart Transducer Web Services for IEEE 1451-based Sensor Systems

February 6, 2008
Author(s)
Yuyin Song, Kang B. Lee
… developed at the National Institute of Standard and Technology (NIST) based on IEEE P1451.0 standard. This … Object Application Protocol) messages. Service consumers in this system can discover transducers, access transducer … 802.11 wireless communication protocol. The work described in this paper provides a good foundation for Smart Transducer …

Energetic and Thermal Sn Interactions and Their Effect on EUVL Source Collector Mirror Lifetime at High Temperatures

October 1, 2007
Author(s)
J P. Allain, M Nieto, M R. Hendricks, A Hassanein, Charles Tarrio, Steven Grantham, Vivek Bakshi
… of collector mirrors facing the hot, dense pinch plasma in plasma-based EUV light sources remains one of the highest … lifetime and commercial feasibility of EUV lithography technology. Studies at Argonne have focused on understanding … exposes candidate mirrors tested (i.e., Ru, Rh and Pd) in the experimental facility known as IMPACT (Interaction of …

Failure of Welded Floor Truss Connections During Collapse of the World Trade Center Towers

September 3, 2007
Author(s)
Stephen W. Banovic, Thomas A. Siewert
… As part of the National Institute of Standards and Technology World Trade Center Investigation, failure modes of … of the main truss seats occurred either by fracture in the heat affected zone of the base material, where the … the seat angle detached from the standoff plate. Failure in both cases was the result of a shear mechanism due to an …

Microwave generation in magnetic multilayers and nanostructures

September 1, 2007
Author(s)
William Rippard, Matthew Pufall
… precessional dynamics induced by the spin transfer effect in magnetic nanostructures. The precessional frequencies of … also depend on the applied magnetic field, resulting in a nanoscale oscillator that can be tuned from a few … Microwave generation in magnetic multilayers and nanostructures …

Verification and Validation of Selected Fire Models for Nuclear Power Plant Applications. Volume 5. Consolidated Fire Growth and Smoke Transport Model (CFAST) (NUREG-1824)

May 1, 2007
Author(s)
Richard D. Peacock, Paul A. Reneke
… As the use of fire modeling tools increases in support of day-to-day nuclear power plant (NPP) … provide the fire modeling analysts increased confidence in applying analytical tools by quantifying and discussing … Division of the National Institute of Standards and Technology (NIST), which officially released the latest …

The Use of Portable Fire Extinguishers in Nightclubs: Workshop Summary

April 1, 2007
Author(s)
William L. Grosshandler
… (based upon the time required for access and application in a fully occupied building) of portable fire extinguishers for use in new and existing nightclubs, and the level of staff … and other places of assembly; and the role that new technology might play in increasing the effectiveness and …

Learning in a Hierarchical Control System: 4D/RCS in the DARPA LAGR Program

December 29, 2006
Author(s)
James S. Albus, Roger V. Bostelman, Tommy Chang, Tsai H. Hong, William P. Shackleford, Michael O. Shneier
… autonomous vehicle navigation that learn how to operate in com-plex terrain. Over many years, the National Institute of Standards and Technology (NIST) has developed a reference model control … into a 4D/RCS controller to enable the small robot used in the program to learn to navigate through a range of …

Nonparametric Analysis of Fingerprint Data on Large Data Sets

December 7, 2006
Author(s)
Jin Chu Wu, Charles Wilson
… systems at the National Institute of Standards and Technology are provided. The nonparametric approach presented in this article can also be employed in the analysis of other large biometric data sets. …

Measurement Science for Remote Sensing

December 5, 2006
Author(s)
K B. Gebbie
… NIST s role in providing the optical radiation measurement science and … comparability of our Nation s remote sensing measurements in support of climate-change research is presented. Climate … research has led to novel laser, LED, and micro-mirror technology for generating optical radiation standards. NIST …

Lumped 50 Ohm Arrays of SNS Josephson Junctions

December 1, 2006
Author(s)
Nicolas Hadacek, Paul Dresselhaus, Samuel Benz
… multiples of the driving wavelength. The lumped arrays in this work have physical lengths shorter than a quarter of … using the newly developed Nb-(MoSi2-Nb)n stacked junction technology. We present measurements of the microwave response … junction critical currents. The resulting simulations are in good agreement with measurements of the current range of …
Displaying 11901 - 11925 of 13225
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