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NIST Authors in Bold

Displaying 2726 - 2750 of 17262

Terahertz circular variable filters

February 15, 2006
Author(s)
Erich N. Grossman, Charles Dietlein, A. Luukanen
… materials and patterning enable operation to approximately 800 GHz and coverage of areas greater than 0.5 x 0.5 m. …

Key Considerations for Microbial Viability Measurements

January 14, 2020
Author(s)
Joy Dunkers, Sandra M. Da Silva, Stephanie Servetas, James J. Filliben, Guilherme L. Pinheiro, Nancy Lin
… Technologies & Healthcare Associated Infections: Defining Standards and Metrology Needs … Technologies & Healthcare Associated Infections: Defining Standards and Metrology Needs …

NIST's support of rapid prototyping standards

February 1, 1999
Author(s)
Kevin K. Jurrens
… with industry have suggested to the National Institute of Standards and Technology (NIST) that formal standards for rapid prototyping could stimulate the growth and advancement of the technologies involved. Standards could provide common methods for measuring the …

UML Model for the IEEE 1451.1 Standard

January 1, 2003
Author(s)
Kang B. Lee, Yuyin Song
… The IEEE 1451.1 Standard for Smart Transducer Interface for Sensors and … There is no existing UML model for the IEEEE 1451.1 standard. This paper describes the development of an UML model for the IEEE 1451.1 standard. It will provide a way to shorten the develpment …

Temperature dependent 29Si incorporation during deposition of highly enriched 28Si films

November 16, 2017
Author(s)
Kevin J. Dwyer, Hyun S. Kim, David S. Simons, Joshua M. Pomeroy
… mol/mol) in enriched samples deposited from ≈ 250 °C up to 800 °C. The 29Si isotope fraction is found to increase from < … 10-6 at the lower temperatures, up to > 4 x 10-6 at around 800 °C. From these data, we estimate the temperature … sharply from about 2.9 x 10-4 at 500 °C to 2.3 x 10-2 at 800 °C. We determine an activation energy of 1.00(18) eV …

Final Report of the e-SRM Committee on the Optimal Delivery of Services to Customers for Standard Reference Materials

June 1, 2001
Author(s)
John C. Travis, Sally Bruce, D J. Clarke, James R. Ehrstein, Michael S. Epstein, Daniel G. Friend, T E. Gills, Kenneth G. Inn, Larry L. Lucas, James E. Potzick, M H. Saunders, N M. Trahey, G M. Ugiansky, R. Michael Verkouteren, D P. Vigliotti, Robert Watters
… which NIST provides technical support to customers for Standard Reference Materials (SRMs). The committee included … knowledge base, needs assessment, quality system, Standard Reference Materials, traceability … on the Optimal Delivery of Services to Customers for Standard Reference Materials …

Recertification of SRM 706a, a Polystyrene

January 1, 1998
Author(s)
Kathleen M. Flynn, William R. Blair, J R. Maurey
The recertification of the polystyrene standard reference material, SRM 706a, is described. The Mw of SRM 706a by light scattering was determined to be 2.85 x 10 5 g/mol with a sample standard deviation of 0.019 x 10 5 g/mol. A combined expanded

The NIST Length Scale Interferometer

May 1, 1999
Author(s)
John S. Beers, William B. Penzes
… The National Institute of Standards and Technology (NIST) interferometer for measuring … Journal of Research of the National Institute of Standards and Technology …

Introduction and Clinical Validation of Metrology Standards for Immunohistochemistry

December 21, 2020
Author(s)
Emina E. Torlakovic, Seshi Sompuram, Vani Kodela, Anika Schaedle, Paul DeRose, Steve Bogen, Lili Wang
… an unsolved technical challenge is the lack of metrology standards, the absence of which frustrates test … a unique technical solution for creating IHC metrology standards, the first of which is for estrogen receptor (ER). To validate the new tools, ER standards were deployed across clinical IHC laboratories in a …

Standards and Measurements for Assessing Bone Health

December 1, 2006
Author(s)
Herbert S. Bennett, Andrew Dienstfrey, Thomas Fuerst, Lawrence T. Hudson, Tammy L. Oreskovic, John Shepherd
… the results of the recent ISCD-NIST USMS Workshop on Standards and Measurements for Assessing Bone Health. The … then to identify and prioritize ongoing measurement and standards needs. The results of the Workshop are given in … Standards and Measurements for Assessing Bone Health …

Advances in NIST Standard Rockwell Diamond Indenters

January 1, 1998
Author(s)
Jun-Feng Song, Samuel R. Low III, David J. Pitchure, Theodore V. Vorburger
… Recent developments in standard hardness machines and microform calibration … includes the establishments of the reference standards (standard machines and diamond indenters) traceable to … common testing cycle) based on an international agreement. Standard grade Rockwell diamond indenters play a key role to …

The NIST Hash Competition

May 20, 2008
Author(s)
William E. Burr
… results that cast doubt on our current hash function standards. The relatively new NIST SHA-2 standards are not yet immediately threatened, but their long …

NIST/ISAC standardization study: variability in assignment of intensity values to fluorescence standard beads and in cross calibration of standard beads to hard dyed beads

August 28, 2012
Author(s)
Lili Wang
… of ERF for each surface labeled microsphere reference standard. The procedure is described for microsphere … of a flow cytometer and were used in the 2nd part of the standardization study, which assigned ERF values to hard dyed … NIST/ISAC standardization study: variability in assignment of intensity …

Models for an Ultraviolet-C Research and Development Consortium

March 25, 2022
Author(s)
Dianne L. Poster, C Cameron Miller, Yaw S. Obeng, John J. Kasianowicz, Michael T. Postek, Norman Horn, Troy Cowan, Richard Martinello
… and data could be developed to support test methods and standards development for UV healthcare equipment. As … Journal of Research of the National Institute of Standards and Technology …

A Capacitance Standard Based on Counting Electrons

September 10, 1999
Author(s)
Mark W. Keller, Ali L. Eichenberger, John M. Martinis, Neil M. Zimmerman
… A capacitance standard based directly on the definition of capacitance was … measurements of C 5 Ne/ΔV with this method have a relative standard deviation of 0.3 x 10^-6. This standard offers a natural basis for capacitance analogous to … A Capacitance Standard Based on Counting Electrons …

Proposed Development of a National Standard for Microwave Brightness Temperature

August 4, 2006
Author(s)
James P. Randa, Amanda Cox, Dave K. Walker
… We review the advantages of a national standard for microwave brightness temperature and outline our proposed approach toward developing such a standard. The proposal is a combined standard that would comprise both a standard radiometer, … Proposed Development of a National Standard for Microwave Brightness Temperature …

Selecting a Primary Frequency Standard for a Calibration Laboratory

April 1, 2008
Author(s)
Michael A. Lombardi
… is largely determined by the type of primary frequency standard that is chosen.  This paper presents an overview of … and the pros and cons of owning and operating each type of standard.  It also presents long-term performance data from a … Selecting a Primary Frequency Standard for a Calibration Laboratory …
Displaying 2726 - 2750 of 17262
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