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Displaying 2601 - 2625 of 13215

Standardization and Conformity Assessment in the Republic of Korea

February 1, 2003
Author(s)
G H. Choe
… national standardization and conformity assessment system in the Republic of Korea. To the extent possible, efforts … standards and conformity assessment system is provided in this report, most contents in this report pertain to activities carried out by the Korean Agency for Technology and Standards (KATS) of the Ministry of Commerce, …

Modeling Performance Measurement of Mobile Manipulators

August 3, 2017
Author(s)
Roger V. Bostelman, Sebti Foufou, Tsai H. Hong
… assembly tasks. Uncertainty propagation, a key component in understanding the effects of mobile manipulator … 7th Annual IEEE Int. Conf. on CYBER Technology in Automation, Control, and Intelligent Systems (IEEE-CYBER …

Magneto-optical trapping using planar optics

January 29, 2021
Author(s)
William McGehee, Wenqi Zhu, Daniel Barker, Daron Westly, Alexander Yulaev, Nikolai Klimov, Amit Agrawal, Stephen Eckel, Vladimir Aksyuk, Jabez McClelland
… clocks, gyroscopes, and gravimeters—and are a promising technology for quantum networking and quantum computing. The … gases are often bulky and not amenable to large-volume manufacturing, limiting the practical realization of devices … technology, we have realized laser cooling of atomic Rb in a grating-type magneto-optical trap using planar optics …

Revising the US Dishwasher Test Procedure; International Harmonization Issues and Projections

January 1, 2001
Author(s)
Natascha S. Milesi-Ferretti
… dishwasher test procedures is a global target. Currently in the US, manufacturers are working with the Department of Energy and the National Institute of Standards and Technology to develop an alternative testing approach to … developments. However, advancement has been slowed due in part to the significant differences in dishwasher design, …

Shape comparison between 0.4 ym to 2.0 ym and 20 ym to 60 ym cement particles

June 15, 2010
Author(s)
L Holzer, R Flatt, S.T. Erodgan, Jeffrey W. Bullard, Edward Garboczi
… arises via the grinding of much larger clinker particles in fact, several percent of the world s energy expenditures … by this grinding. Many other powders are manufactured in the same way. An important question for cement, or indeed any other similarly ground particle, is: in what manner, if any, does particle shape depend on …

CIE Fundamentals for Color Measurements

September 30, 2000
Author(s)
Yoshi Ohno
The paper first overviews the CIE system of colorimetry, covering CIE 1931 color matching functions, XYZ tristimulus values, the x, y diagram, the 1976 u', v' diagram, and the evolvement of CIELUV and CIELAB color spaces and color difference formulae. The

Arsenic Clustering and Precipitation Analysis in Ion-Implanted Si Wafers by X-Ray Absorption Spectroscopy and SIMS

September 1, 2000
Author(s)
M A. Sahiner, S W. Novak, Joseph Woicik, J Liu, V Krishnamoorty
… used to obtain clustering and precipitation information in As (arsenic) implanted Si wavers. CZ (001) Siwafers were … (N) and the nearest-neighbor distances (R) to As atoms in the first shell were extracted from Fourier analysis of … and the ratio of the substitutional to precipitate form As in the samples was determined. …

Interface History on Strain Field Evolution in Epoxy Resins

January 21, 2022
Author(s)
Edward Garboczi, Newell Moser, Jena McCollum, Jared Strutton, Abby Jennings, Brandon Runnels
… To determine the viability of digital image correlation in the analysis of additively manufactured thermosets, we … on localized mechanical properties. Interfaces were formed in diglycidyl ether of bisphenol A (DGEBA)/diethylenetriamine … higher cure completion than the sample interior, resulting in a stiffer epoxy at the interface versus the interior. …

Risk Management Guide for Information Technology Systems

July 1, 2002
Author(s)
G Stoneburner, Alice Y. Goguen, Alexis Feringa
… and the risk associated with an information technology (IT) system. The output of this process helps to … Risk Management Guide for Information Technology Systems …

NIST: A Century in the Business of Fire Safety

February 19, 2017
Author(s)
Richard Gann
… This year, the National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards … 100 years old. During that century, NBS/NIST measurement technology has done much to enable the business of fire … will continue to work with manufacturers and associa-tions in helping to meet the new technical challenges and to …

The Rich Transcription 2007 Meeting Recognition Evaluation

Author(s)
Jonathan G. Fiscus, Jerome G. Ajot, John S. Garofolo
… Transcription Meeting Recognition Evaluation; the fifth in a series of community-wide evaluations of language technologies in the meeting domain. For 2007, we supported three … STT word error rates with up to four simultaneous speakers in the multiple distant microphone condition were 40.6 %, …

Integration of Energy Information for Product Assembly and Logistics Processes

August 13, 2013
Author(s)
Shaw C. Feng, FNU Kumaraguru, Kincho H. Law, Kyeong Rim Ahn
… an on-going effort at NIST to model the energy performance in assembly and supply chain processes as a part of a larger … these metrics through computation models is proposed in this paper. Theoretical minimum energy for the above … rather than the historical energy baseline data in our approach. In addition, an information model is …

Center-line-time functions and critical constants for predicting laser powder bed fusion melt pool distortion using one surface topography measurement

September 21, 2023
Author(s)
Jesse Redford, Jason Fox, Christopher Evans, brigid mullany
… (CLTF) to characterize common scan strategies used in laser powder bed fusion (LPBF) that result in melt pool distortion. Eight rapid turnaround (RTR) … depending on the material and machine parameters used for manufacturing the RTR samples. However, the methodology for …

Multi-Job Production Systems: Definition, Problems, Analysis, and Product-Mix Performance Portrait of Serial Lines

May 15, 2018
Author(s)
Peter O. Denno, Pooya Alvian
… Multi-job production (MJP) is a class of flexible manufacturing systems intended to produce different products … according to a given product-mix and build-schedule. In MJP systems, all job-types are processed by the same … and bottlenecks as functions of the product-mix. We show, in particular, that for the so-called conflicting job-types, …

Improved 1 kHz Capacitance Calibration Uncertainty

May 30, 2002
Author(s)
Anne-Marie Jeffery, Andrew D. Koffman
… been decreased at the National Institute of Standards and Technology (NIST). The improvements are based on … Instrumentation and Measurement Technology Conference …

Micromechanical response quantification using high-energy X-rays during phase transformations in additively manufactured 17-4 stainless steel

May 10, 2019
Author(s)
Thien Q. Phan, Felix Kim, Darren C. Pagan
… Recent studies of additively manufactured (AM) 17-4 stainless steel produced via laser … volume fraction of the stress relieved, additively manufactured specimen was measured to be 0.46 and increased … X-rays during phase transformations in additively manufactured 17-4 stainless steel …

Identity and Access Management for Electric Utilities

July 13, 2018
Author(s)
James J. McCarthy
… resources, including buildings, equipment, information technology (IT), and operational technology (OT). They must authenticate authorized … are giving access rights with a high degree of certainty. In addition, they need to enforce access control policies … energy sector, identity and access management, information technology …
Displaying 2601 - 2625 of 13215
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