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Displaying 276 - 300 of 533

Design and Capabilities of NISTs Scale-Model Smokestack Simulator (SMSS)

April 17, 2015
Author(s)
Aaron N. Johnson, Joey T. Boyd, Eric Harman, Mohammad M. Khalil, Jacob E. Ricker, Christopher J. Crowley, Rodney A. Bryant, Iosif I. Shinder
The amount of CO 2 emitted from a coal-fired power plant (CFPP) is measured by continuous emissions monitoring systems (CEMS) permanently installed in the exhaust smokestack. Both the CO 2 concentration and the bulk flow are continuously measured by CEMS

Building a Spring-Transport Mechanism for Spinning Rotor Gauges

April 3, 2015
Author(s)
James A. Fedchak, Julia K. Scherschligt, Makfir Sefa, Nick Phandinh
Spinning rotor gauges (SRGs) are widely used as transfer standards in inter-laboratory comparisons and as secondary standards by calibration laboratories. In both of these applications, it is necessary to ship the SRG for calibration, often internationally

Perfluorinated Alkyl Acids in Abiotic Standard Reference Materials

April 1, 2015
Author(s)
Jessica L. Reiner, Jennifer M. Lynch, Andrea Blaine, Christopher Higgins, Carin Huset, Thomas Jenkins, Christiaan Kwadijk, Cleston Lange, Derek Muir, William K. Reagen, Courtney Rich, Jeff Small, Mark J. Strynar, John Washington, Hoon Yoo
The National Institute of Standards and Technology (NIST) has a wide range of Standard Reference Materials (SRMs) which have values assigned for legacy organic pollutants and toxic elements. Existing SRMs serve as homogenous materials that can be used for

An analytical framework for optimizing variant discovery from personal genomes

February 25, 2015
Author(s)
Justin M. Zook, Gareth Highnam, Jason Wang, Dean Kusler, Vinaya Vijayan, Nir Leibovich, David Mittelman
The standardization and performance testing of analysis tools is a prerequisite to widespread adoption of high-throughput sequencing, particularly in the clinic. However, performance testing is currently complicated by the paucity of standards and

Application of NMR-based Metabolomics for Environmental Assessment in the Great Lakes using Zebra Mussel (Dreissena polymorpha) polymorpha)

February 21, 2015
Author(s)
Miki Watanabe, Katherine Meyer, Tyler Jackson, Tracey Johnston, Ed Johnson, Dan Bearden
Zebra mussel, Dreissena polymorpha, in the Great Lakes is being monitored as a bio-indicator organism for environmental health effects by the National Oceanic and Atmospheric Administration's Mussel Watch program. In order to monitor the environmental

Designing a standard for strain mapping: HR-EBSD analysis of SiGe thin film structures on Si

January 1, 2015
Author(s)
Mark D. Vaudin, William A. Osborn, Lawrence H. Friedman, Justin M. Gorham, Robert F. Cook, Victor Vartanian
Patterned SiGe thin film structures, heteroepitaxially deposited on Si substrates, are investigated as potential reference standards to establish the accuracy of high resolution electron backscattered diffraction (HR-EBSD) strain measurement methods. The

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1992 Comparability Studies: Results for Round Robins XXIV, XXV, and XXVI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 3 Ascorbic Acid in Human Serum

December 19, 2014
Author(s)
Jeanice M. Brown Thomas, Neal E. Craft, David L. Duewer, Kline Margaret, Sam A. Margolis, Willie E. May, Katherine E. Sharpless
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1993 Comparability Studies: Results for Round Robins XXVII, XXVIII, and XXIX Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 4 Ascorbic Acid in Human Se

December 19, 2014
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Kline Margaret, Sam A. Margolis, Willie E. May, Katherine E. Sharpless
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes

CHAPTER 4: Density Standards and Traceability

December 17, 2014
Author(s)
Mark O. McLinden
Most instruments for measuring fluid density are not absolute instruments—they must be calibrated with one or more fluids of known density. The selection of appropriate calibration fluids is vital to achieving low uncertainty in a measurement. Also

Genomic Reference Materials for Clinical Application

November 21, 2014
Author(s)
Justin M. Zook, Marc L. Salit
Reference Materials are well-characterized, homogeneous, and stable samples that can be used to understand measurement performance. The Genome in a Bottle Consortium is developing whole human genome DNA Reference Materials from large batches of DNA

SRM November Spotlight 2014

November 4, 2014
Author(s)
Regina R. Montgomery
The SRM Spotlight is a newsletter published by the Office of Reference Materials for users of NIST standard reference materials. The Spotlight announces new reference materials and provides information about their use. In addition, this newsletter contains

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1994 Comparability Studies: Results for Round Robins XXX, XXXI, and XXXII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robins 5 and 6 Ascorbic Acid in Huma

October 30, 2014
Author(s)
Jeanice M. Brown Thomas, Margaret C. Kline, Katherine E. Sharpless, S A. Margolis
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes

Transportation Effect of the Ni-Cr Based Metal-Foil Standard Resistors in the Trilateral Comparison Pilot Study between KRISS, NIST and NMIJ

August 1, 2014
Author(s)
Randolph E. Elmquist, Nobu-hisa Kaneko, Takehiko Oe, Wan-Seop Kim, Dong Hun Chae, Marlin E. Kraft
This paper describes a study on the transportation effect using four 100 Ω standard resistors of a new construction. All resistors have been transported by air: two of the resistors in hand-carried luggage and the other two by normal air freight. The

New Developments in the NIST Infrared Optical Properties of Materials Program

July 1, 2014
Author(s)
Leonard M. Hanssen, Sergey Mekhontsev, Jinan Zeng, John H. Burnett
The Infrared Optical Properties of Materials program in the Sensor Science Division at the National Institute of Standards and Technology (NIST) continues to upgrade its capabilities to provide comprehensive coverage of measurable infrared optical

SRM Spotlight July 2014

June 25, 2014
Author(s)
Regina R. Montgomery
The SRM Spotlight is a newsletter published by the Office of Reference Materials for users of NIST standard reference materials. The Spotlight announces new reference materials and provides information about their use. In addition, this newsletter contains

Reference Materials 8096 and 8097 - The MEMS 5-in-1 RMs: Homogeneous and Stable

May 14, 2014
Author(s)
Janet M. Cassard, Jon C. Geist, John A. Kramar
The NIST Microelectromechanical Systems (MEMS) 5-in-1 Reference Materials (RMs) were developed to assist users in validating their use of five documentary standard test methods. A Reference Material can be defined as a material whose property values are

SRM Spotlight

March 3, 2014
Author(s)
Regina R. Montgomery
The SRM Spotlight is a newsletter published by the Office of Reference Materials for users of NIST standard reference materials. The Spotlight announces new reference materials and provides information about their use. In addition, this newsletter contains
Displaying 276 - 300 of 533
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