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Displaying 11401 - 11425 of 13225

Self-terminated Electrodeposition of Ni, Co and Fe Ultrathin Films

July 28, 2016
Author(s)
Thomas P. Moffat
… of metal deposition is accompanied by an increase in dissipative energy loss in microbalance experiments attributed to increased hydrogen … the adjacent double layer. Pulse deposition at -1.5 VSSCE, in 5 mmol/L (NiCl2, CoCl2 or FeSO4) - 0.1 mol/L NaCl pH 3.0 …

Modeling early breakdown failures of gate oxide in SiC power MOSFETs

July 14, 2016
Author(s)
Zakariae Chbili, Asahiko Matsuda, Jaafar Chbili, Jason T. Ryan, Jason P. Campbell, Mhamed Lahbabi, D. E. Ioannou, Kin P. Cheung
… One of the most serious technology roadblocks for SiC DMOSFETs is the significant occurrence of early failures in time-dependent-dielectric-breakdown (TDDB) testing. … (early) failures, which guides the screening through burn-in measures, simply does not work. The fact that improved …

Comparison of Tritiated-Water Standards by Liquid Scintillation for Calibration of a New Standard Reference Material

March 5, 2016
Author(s)
Ronald Colle, Lizbeth Laureano-Perez, Denis E. Bergeron
… A new National Institute of Standards and Technology (NIST) tritiated-water (3H-labeled oxidane) … standard was prepared and calibrated. It is the 17th in a series of linked standards since 1954 and will be … by the Bureau International des Poids et Mesures (BIPM) in 2009. Confirmatory measurements for the massic activity of …

Grasping the Performance: Facilitating Replicable Performance Measures via Benchmarking and Standardized Methodologies

December 31, 2015
Author(s)
Joseph A. Falco, Karl Van Wyk, Shuo Liu, Stefano Carpin
… The expectation for robots to work side-by-side with humans in unstructured environments while reliably grasping and … We postulate that a major obstacle inhibiting progress in this area surrounds the continued inability to replicate … conclusions regarding the performance of robotic hands in various task-related settings. Standardized performance …

Scattering Studies on Poly(3,4-ethylenedioxythiophene) Polystyrenesulfonate in the Presence of Ionic Liquids

December 22, 2015
Author(s)
Ryan J. Murphy, Kathleen Weigandt, David Uhrig, Ahmed Alsayed, Chantal Badre, Larry Hough, Murugappan Muthukumar
… but its high cost and low flexibility limits it for use in future technologies. Recent work has shown the combination … nature of the interaction between PEDOT:PSS and EMIM:TCB in the solution state. A combination of scattering methods … on Poly(3,4-ethylenedioxythiophene) Polystyrenesulfonate in the Presence of Ionic Liquids …

Policy Machine: Features, Architecture, and Specification

October 27, 2015
Author(s)
David F. Ferraiolo, Serban I. Gavrila, Wayne Jansen
… The ability to control access to sensitive data in accordance with policy is perhaps the most fundamental … of these policies can be enforced through off-the-shelf technology, and even a smaller subset can be enforced by any … architecture of the PM and the properties of the PM model in detail. [Supersedes NISTIR 7987 (May 2014): …

NIST Big Data Interoperability Framework: Volume 3, Use Cases and General Requirements

October 22, 2015
Author(s)
Wo L. Chang, Geoffrey Fox, NBD-PWG NIST Big Data Public Working Group
… Data is a term used to describe the large amount of data in the networked, digitized, sensor-laden, information-driven … of data is outpacing scientific and technological advances in data analytics. To advance progress in Big Data, the NIST Big Data Public Working Group (NBD-PWG) …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1990 Comparability Studies: Results for Round Robins XVIII, XIX, and XX Fat-Soluble Vitamins and Carotenoids in Human Serum

September 29, 2015
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Willie E. May, Sam A. Margolis, Neal E. Craft, Katherine E. Sharpless
… The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality … measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes the design … 1) Round Robin XVIII Fat-Soluble Vitamins and Carotenoids in Human Serum, 2) Round Robin XIX Fat-Soluble Vitamins and …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1991 Comparability Studies: Results for Round Robins XXI, XXII, and XXIII Fat-Soluble Vitamins and Carotenoids in Human Serum

September 29, 2015
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Willie E. May, Sam A. Margolis, Neal E. Craft
… The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality … measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes the design … 1) Round Robin XXI Fat-Soluble Vitamins and Carotenoids in Human Serum, 2) Round Robin XXII Fat-Soluble Vitamins and …

The ABCs of Using Standard Reference Materials in the Analysis of Foods and Dietary Supplements: A Practical Guide

September 16, 2015
Author(s)
Katherine E. Sharpless, David L. Duewer, Katrice A. Lippa, Andrew L. Rukhin
… chronic disease. The National Institute of Standards and Technology (NIST) has been producing food-matrix Standard … for elements. Values were assigned for organic analytes in food-matrix SRMs beginning in 1996 and in dietary supplements beginning in 2006. … The ABCs of Using Standard Reference Materials in the Analysis of Foods and Dietary Supplements: A Practical …

Single-Photon Detector Calibration

July 7, 2015
Author(s)
Sergey V. Polyakov
… In this chapter we introduce the set of detector properties, … (SPADs) and TES detectors), the measurement algorithms are in general applicable to detectors with other principles of … quantum states (i.e. find a detector’s POVM), although in practice, even with such an approach some assumptions …

Software Tools for XML to OWL Translation

July 7, 2015
Author(s)
Thomas Kramer, Benjamin H. Marks, Craig I. Schlenoff, Stephen B. Balakirsky, Zeid Kootbally, Anthony Pietromartire
… were built at the National Institute of Standards and Technology in support of the Agility Performance of Robotic Systems project conducted in connection with the Working Group on Ontologies for …

High-resolution X-ray emission spectroscopy with transition-edge sensors: present performance and future potential

May 1, 2015
Author(s)
W.Bertrand (Randy) Doriese, Joseph Fowler, Daniel Swetz, Cherno Jaye, Daniel A. Fischer, Carl D. Reintsema, Douglas Bennett, Leila R. Vale, Gene C. Hilton, Dan Schmidt, Joel Ullom, Jens Uhlig, Ujjwal Mandal, Galen O'Neil, Luis Miaja Avila, Young I. Joe, wilfrid fullagar, Fredrick P. Gustafsson, Dharma Kurunthu, Villy Sundstrom
… tool to analyze the oxidation states of atoms in complex compounds, determine their electronic configuration, and identify unknown compounds in challenging environments. Until now the low efficiency of wavelength-dispersive X-ray spectrometer technology has limited the use of XES, especially in …

Microstructural effects of chemical island templating in patterned matrix-pillar oxide nanocomposite

February 17, 2015
Author(s)
Ryan Comes, Kerry Siebein, Jiwei Lu, Stuart Wolf
… The ability to pattern the location of pillars in epitaxial matrix-pillar nanocomposites is a key challenge … employs a ferrimagnetic CoFe2O4 (CFO) pillar embedded in a ferroelectric BiFeO3 (BFO) matrix, which has been … process and determine the locations where pillars form. In this work, we employ electron microscopy and x- ray …

NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2013 Comparability Study(Exercise 7)

February 15, 2015
Author(s)
Mary Bedner, Katrice A. Lippa, Susan Tai
… The National Institute of Standards and Technology (NIST) has established a Vitamin D Metabolites Quality Assurance Program (VitDQAP) in collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements. Participants in the seventh exercise of this program, the Summer 2013 …

A summary of the Planck constant measurements using a watt balance with a superconducting solenoid at NIST

February 5, 2015
Author(s)
Stephan Schlamminger, Richard L. Steiner, Darine El Haddad, David B. Newell, Frank C. Seifert, Leon S. Chao, Ruimin Liu, Edwin R. Williams
… Researchers at the National Institute of Standards and Technology have been using a watt balance, NIST-3, to measure … take into account a recently discovered systematic error in mass dissemination at the Bureau International des Poids … on how to combine the two numbers into one final result. In order to adequately reflect the discrepancy, an additional …

Report on Pairing-based Cryptography

February 3, 2015
Author(s)
Dustin Moody, Rene C. Peralta, Ray A. Perlner, Andrew R. Regenscheid, Allen L. Roginsky, Lidong Chen
… pairing-based cryptography schemes currently published in research literature and standardized in other standard bodies. The report reviews the mathematical … schemes and other cryptographic schemes using pairing technology. The report provides a complete study on the …

Spin-transfer torque switching observed in nanopillar superconducting-magnetic hybrid Josephson junctions

January 9, 2015
Author(s)
Burm Baek, William H. Rippard, Matthew R. Pufall, Samuel P. Benz, Stephen E. Russek, Horst Rogalla, Paul D. Dresselhaus
… as spin-transfer torque, that are presently being used in room-temperature magnetic devices, such as spin- transfer … allow current-induced magnetization switching that results in changes in Ics up to 2000 %. The observed current- induced … development of a nanoscale, nonvolatile, cryogenic memory technology. …

A 4D Immersive Platform to Visualize RF Propagation in BAN

January 1, 2015
Author(s)
John G. Hagedorn, Kamran Sayrafian, Judith E. Terrill, Kamya Yekeh Yazdandoost
… Recent advances in micro-electronics technology to build small radio-enabled … medical sensors have sparked considerable interest in body area networks. Understanding the characteristics of … A 4D Immersive Platform to Visualize RF Propagation in BAN …

Simulation of a Fire in a Hillside Residential Structure - San Francisco, CA

November 13, 2014
Author(s)
Kristopher J. Overholt, Craig G. Weinschenk, Daniel M. Madrzykowski
… and maintained by the National Institute of Standards and Technology (NIST), was used to provide insight into the … within a multi-level, single-family residential structure in San Francisco, CA, that resulted in the death of two firefighters. The inputs for the FDS …

Summary of an ASME/DOT project on measurements of fatigue crack growth rate of pipeline steels

July 20, 2014
Author(s)
Andrew J. Slifka, Elizabeth S. Drexler, Robert L. Amaro, Damian S. Lauria, Louis E. Hayden, Douglas G. Stalheim, Yaoshan Chen
… The National Institute of Standards and Technology has been testing pipeline steels to determine the fatigue crack growth rate in pressurized hydrogen gas; the project was sponsored by the Department of Transportation, and was conducted in close collaboration with ASME B31.12 Committee on Hydrogen …

The ABCs of Using Standard Reference Materials in the Analysis of Foods and Dietary Supplements: A Practical Guide

June 2, 2014
Author(s)
Katherine E. Sharpless, David L. Duewer, Katrice A. Lippa, Andrew L. Rukhin
… chronic disease. The National Institute of Standards and Technology (NIST) has been producing food-matrix Standard … for elements. Values were assigned for organic analytes in food-matrix SRMs beginning in 1996 and in dietary supplements beginning in 2006. … The ABCs of Using Standard Reference Materials in the Analysis of Foods and Dietary Supplements: A Practical …
Displaying 11401 - 11425 of 13225
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