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Standards

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Displaying 376 - 400 of 842

GAUSSIAN PROCESS REGRESSION (GPR) REPRESENTATION IN PREDICTIVE MODEL MARKUP LANGUAGE (PMML)

March 29, 2017
Author(s)
Jinkyoo Park, David Lechevalier, Ronay Ak, Max K. Ferguson, Kincho H. Law, Yung-Tsun Lee, Sudarsan Rachuri
This paper describes a Predictive Model Markup Language (PMML) representation of Gaussian Process Regression (GPR) models. PMML is an XML-based standard language used to represent data mining and predictive analytic models, as well as pre- and post

NIST Handbook 150-1, NVLAP Energy Efficient Lighting Products, 2017 Revision

March 28, 2017
Author(s)
C Cameron Miller, Timothy Rasinski
The NIST Handbook 150 publication series sets forth the procedures, requirements, and guidance for the accreditation of testing and calibration laboratories by the National Voluntary Laboratory Accreditation Program (NVLAP). NIST Handbook 150-1, NVLAP

NIST Micronutrients Measurement Quality Assurance Program Winter and Summer 2016 Comparability Studies: Results for Round Robin LXXIX and LXXX Fat-Soluble Vitamins and Carotenoids in Human Serum

March 16, 2017
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat-soluble vitamins and carotenoids in human serum and plasma. This report describes the design

Certification of New Standard Reference Material 2806b Medium Test Dust in Hydraulic Oil

December 19, 2016
Author(s)
Robert A. Fletcher, Nicholas W. Ritchie, David S. Bright, James J. Filliben, William F. Guthrie
A new material has been certified to become Standard Reference Material (SRM) 2806b - Medium Test Dust in Hydraulic Fluid. SRM 2806b consists of a trace polydisperse, irregularly shaped mineral dust particles suspended in hydraulic fluid. The certified

STANDARDS SUPPORTING SIMULATIONS OF SMART MANUFACTURING SYSTEMS

December 12, 2016
Author(s)
Conrad Bock, Guodong Shao, Kevin W. Lyons, Ronay Ak, KC Morris, Bjoern J. Johansson
Manufacturing standards provide the means for industries to effectively and consistently deploy methodologies and technologies to assess process performance. These assessments set the stage for controlling the manufacturing systems and processes and

Draft B Report on the Key Comparison CCM.P-K4.2012 in Absolute Pressure from 1 Pa to 10 kPa

December 7, 2016
Author(s)
Jacob E. Ricker, Jay H. Hendricks, Thomas Bock, Prazak Dominik, Tokihiko Kobata, Jorge Torres, Irina Sadkovskaya
This report summarizes the Consultative Committee for Mass (CCM) key comparison CCM.P-K4.2012 for absolute pressure spanning the range of 1 Pa to 10 000 Pa. The comparison was completed via calibration of a transfer standard carried out at six NMIs during

Transfer Standard Uncertainty Can Cause Inconclusive Inter-Laboratory Comparisons

October 7, 2016
Author(s)
John D. Wright, Blaza Toman, Bodo Mickan, Gerd Wubbeler, Olha Bodnar, Clemens Elster
Inter-laboratory comparisons use the best available transfer standards to check the participants’ uncertainty analyses, identify underestimated uncertainty claims or unknown measurement biases, and improve the global measurement system. For some measurands

NIST MISE EN PRATIQUE FOR THE REALIZATION AND DISSEMINATION OF THE REDEFINED KILOGRAM

October 1, 2016
Author(s)
Patrick J. Abbott, Eric Benck, Corey A. Stambaugh, Edward C. Mulhern, Zeina J. Kubarych
The SI unit of mass, the kilogram, is scheduled to be redefined in 2018 as part of a broader redefinition of the SI in terms of fundamental constants. The kilogram will be realized in terms of the Planck constant within a vacuum environment. This

CHALLENGES IN TOLERANCE TRANSFER FOR ADDITIVE MANUFACTURING

September 22, 2016
Author(s)
Gaurav Ameta, Shawn P. Moylan, Paul Witherell
Abstract: From the design point of view, datum features are used to imply design intent of particular function of the part or sequence of assembly of components in a product. Each feature in a part could potentially have different datum reference based on

Broadband Radiometric LED Measurements

September 6, 2016
Author(s)
George P. Eppeldauer, P. Yvonne Barnes, Howard W. Yoon, Leonard Hanssen, Vyacheslav B. Podobedov, Robert E. Vest, Uwe Arp, C Cameron Miller
At present, broadband radiometric measurements of LEDs with uniform and low-uncertainty results are not available. Currently, either spectral radiometric measurements or broadband photometric LED measurements are used. The broadband photometric

Marie Curies Last Radium Standard Grand Challenge

September 1, 2016
Author(s)
Bert M. Coursey
The last of the radium-226 standards that Marie Curie personally handled is destined for a radioactive materials waste dump. Presented here is a history of the standards and a challenge to the scientific community to present a rationale for why this

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1988 Comparability Studies: Results for Round Robins XII, XIII, and XIV Fat-Soluble Vitamins and Carotenoids in Human Serum

August 29, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Willie E. May
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat-soluble vitamins and carotenoids in human serum and plasma. This report describes the design

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1989 Comparability Studies: Results for Round Robins XV, XVI, and XVII Fat-Soluble Vitamins and Carotenoids in Human Serum

August 29, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Willie E. May, Neal E. Craft
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat -soluble vitamins and carotenoids in human serum and plasma. This report describes the design
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