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Displaying 21776 - 21800 of 73929

Performance Evaluation of High-Strength Steel Pipelines for High-Pressure Gaseous Hydrogen Transportation

April 1, 2013
Author(s)
Andrew J. Slifka, Elizabeth S. Drexler, Robert L. Amaro, Joseph D. McColskey, Yaoshan Chen, Ming Liu, Yong-Yi Wang
Pipeline steels suffer significant degradation of their mechanical properties in high-pressure gaseous hydrogen, including their fatigue cracking resistances to cyclic loading. Fatigue crack growth experiments were performed on X52 and X70 steels in both

Performance Metrics of Speed and Separation Monitoring in Shared Workspaces

April 1, 2013
Author(s)
Jeremy A. Marvel
A metric is proposed that evaluates speed and separation monitoring efficacy in industrial robot environments in terms of the quantification of safety and the effects on productivity. The collision potential is rep-resented by separation metrics and sensor

The biological evidence preservation handbook : best practices for evidence handlers ; technical working group on biological evidence preservation:

April 1, 2013
Author(s)
Susan Ballou, Mark Stolorow, Melissa Taylor, Phylis S. Bamberger, Larry Brown, Rebecca Brown, Yvette Burney, Dennis Davenport, Linsday DePalma, Shannan Williams, Cynthia Jones, Ralph Keaton, William Kiley, Joseph Latta, Margaret Kline, Karen Lanning, Gerry LaPorte, Linda E. Ledray, Randy Nagy, Brian E. Ostrom, Lisa Schwind, Stephanie Stoiloff

TRECVID 2012 -- An Overview of the Goals, Tasks, Data, Evaluation Mechanisms, and Metrics

April 1, 2013
Author(s)
Paul D. Over, Jonathan G. Fiscus, Gregory A. Sanders, Barbara L. Shaw, Martial Michel, George Awad, Alan Smeaton, Wessel Kraaij, Georges Quenot
The TREC Video Retrieval Evaluation (TRECVID) 2012 was a TREC-style video analysis and retrieval evaluation, the goal of which was to promote progress in content-based exploitation of digital video via open, metrics-based evaluation. TRECVID 2012

Coordinate Metrology and the Proposed E57.02 Static Pose Determination Standard

March 29, 2013
Author(s)
David MacKinnon, J.-Angelo Beraldin, Tsai H. Hong, Jeremy Marvel
We present the Proposed Standard ASTM E57.02 "Standard Test Method for Evaluating Static Pose Measurement Systems" (Work Item ASTM WK31638) and explain why it should be considered important by coordinate metrologists. The stated purpose of the standard is

Ground Truth Systems for Object Recognition and Tracking

March 29, 2013
Author(s)
Afzal A. Godil, Roger D. Eastman, Tsai H. Hong
In this report we discuss different types of ground-truth systems used for evaluation of object recognition and tracking systems in industrial manufacturing environments. We discuss three main ways for acquiring ground truth for object recognition and

Explosive Standards Forum Recommendations

March 28, 2013
Author(s)
William G. Billotte, Sharon B. Nakich
From September 2011 to September 2012, the NIST Law Enforcement Standards Office (OLES), sponsored by the U.S. Department of Homeland Security Science and Technology Directorate (DHS S&T), collected recommendations for the adoption and/or development of

Paving the Way for a More Sustainable Concrete Infrastructure: A Vision for Developing a Comprehensive Description of Cement Hydration Kinetics

March 28, 2013
Author(s)
Joseph J. Biernacki, Jeffrey W. Bullard, Constantiner Constantiner, Richard Meininger, Maria Juenger, Josephine H. Cheung, William Hansen, R. D. Hooton, Andreas Luttge, Jeffrey J. Thomas
Hydration of portland cement is the cornerstone of the process responsible for microstructure development in concrete and ultimately controls the kinetics of all materials properties that make concrete such a useful product for society (properties such as
Displaying 21776 - 21800 of 73929
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