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Displaying 11551 - 11575 of 17277

Atomic Transition Probabilities for DyI and DyII

October 12, 2021
Author(s)
M E. Wickliffe, James E. Lawler, Gillian Nave
… (NSO) and the 2.0 m FTS at the National Institute of Standards and Technology (NIST), are combined with recently …

Baseline Control Systems in the Intelligent Building Agents Laboratory

September 22, 2021
Author(s)
Amanda Pertzborn, Daniel Veronica
… in Buildings program at the National Institute of Standards and Technology (NIST) is to develop and deploy … by anticipating and meeting the measurement science, standards, and technology needs of U.S. industry, and in this …

Addressing Quality Assurance Issues in 3D Firearm and Toolmark Imaging

April 1, 2018
Author(s)
Michael T. Stocker, Robert M. Thompson, Johannes A. Soons, Thomas B. Renegar, Xiaoyu A. Zheng
… progress towards these goals are being made in several standards organizations for generic applications, there … performance and 4) a custom set of physical reference standards designed specifically for calibration and quality …

An integrated and automated calibration system for pneumatic piston gauges

October 17, 2017
Author(s)
Yuanchao Yang, Robert G. Driver, John S. Quintavalle, Julia Scherschligt, Katie M. Schlatter, Jacob Edmond Ricker, Gregory F. Strouse, Douglas A. Olson, Jay H. Hendricks
Recently, a transducer-aided crossfloat (TAC) method for pneumatic piston gauges was proposed. The concept is to use a pressure transducer as a very short-term transfer standard between the standard piston gauge and the test one. Different from the

Time Information Broadcasting

September 14, 2017
Author(s)
John P. Lowe
… The National Institute of Standards and Technology (NIST) operates radio station WWVB …

Quality Cement and Concrete - The Role of Testing Laboratories

February 19, 2017
Author(s)
J H. Pielert
… that constructed facilities are durable and long lasting. Standards which promote the quality of testing are prepared … Concrete Aggregates, AASHTO, and ISO. The scopes of these standards are discussed and information is provided on their …

Evaluation of chemical purity using quantitative 1H-nuclear magnetic resonance

September 28, 2016
Author(s)
Blaza Toman, Michael A. Nelson, Katrice A. Lippa
… intensity of the analyte species to that of chemical standards of known purity. As such, it is an example of a … such as independent implementation of multiple calibration standards. As such, the uncertainty evaluation is not purely …

Automating Robot Planning using Product and Manufacturing Information

May 9, 2016
Author(s)
Frederick M. Proctor, Gijs van der Hoorn, Robert R. Lipman
… design, process planning, production, and analysis phases. Standards for the exchange of this information have been … This paper surveys the relevant technologies and standards needed to enable automated deployment of robots in …

Comparative study of methods to measure the density of Cementitious powders

December 14, 2015
Author(s)
Michelle A. Helsel, Chiara F. Ferraris, Dale P. Bentz
The accurate measurement of the density of hydraulic cement plays an essential role in the determination of concrete mixture proportions. As more supplementary cementitious materials (SCM), such as fly ash and slag, or cement replacement materials, such as

Toward Manufacturing System Composability Analysis: A Use Case Scenario

September 20, 2014
Author(s)
Boonserm Kulvatunyou, Evan K. Wallace, Nenad Ivezic, Yunsu Lee
One of the characteristics of a smart manufacturing system is the ability to quickly adapt to new and changing requirements. This implies that software and hardware components of the manufacturing system need to be easily composed and recomposed. In

CCQM-P151 Draft A Report Pilot Study CCQM P151 Halocarbons in Dry Whole Air

May 28, 2014
Author(s)
George C. Rhoderick, Franklin R. Guenther, David L. Duewer, Jeongsoon Lee, Jin S. Kim, Bradley Hall, Ray Weiss, Christina Harth, Stefan Reimann, Martin Vollmer
… ozone depletion will require future measurements and standards for many compounds, in particular halocarbons that … at the highest levels of accuracy for assigned values of standards. This report describes the results of a pilot study …
Displaying 11551 - 11575 of 17277
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