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Displaying 28151 - 28175 of 143797

Pros and Cons of Egress Drills

July 4, 2016
Author(s)
Steve Gwynne, Karen E. Boyce, Erica D. Kuligowski, Daniel Nilsson, Amanda Robbins, Ruggiero Lovreglio
This article explores how egress drills are currently employed, their impact, and the insights gained from them. By investigating their strengths and limitations, this article suggests opportunities for enhancement through the use of other egress models to

Implementing the ISO 15746 Standard for Chemical Process Optimization

July 3, 2016
Author(s)
Guodong Shao, Peter O. Denno, Albert T. Jones, Yan Lu
Integrating advanced process control solutions with optimization (APC-O) solutions, within any factory, enables more efficient production processes. Currently, vendors who provide the software applications that implement control solutions are isolated and

Addressing Pressing Cybersecurity Issues through Collaboration

July 1, 2016
Author(s)
William J. Fisher
The National Cybersecurity Center of Excellence (NCCoE) at the National Institute of Standards and Technology addresses businesses’ most pressing cybersecurity problems with practical, standards-based solutions using commercially available technologies

Certification Report for the Reference Materials ERM-AE142 and ERM-EB400 A pure Pb solution and a bronze material, both certified for their Pb isotope amount ratios

July 1, 2016
Author(s)
Jochen Vogl, Dorit Becker, Maren Koenig, Yong-Hyeon Yim, Kyoung-Seok Lee, Heidi Goenaga-Infante, Dmitriy Malinowskiy, Sarah Hill, Tongxiang Ren, Jun Wang, Robert D. Vocke Jr., Karen E. Murphy, Naoko Nonose, Olaf Rienitz, Janine Noordmann
Lead isotope analysis is often applied in various fields such as archaeology, geochemistry and forensic science. Despite this, only the 3 primary isotopic reference materials NIST SRM; 981, NIST SRM 982 and NIST SRM 983 are available, whereby NIST SRM 981

Data Acquisition and Analysis Software for Gamma Coincidence Spectrometry

July 1, 2016
Author(s)
Martin Girchis Shetty, Dagistan Sahin
Coincidence counting in neutron activation analysis has well-known advantages, such as enhancement of signal and reduction in background. One obstacle to the wider use of this technique is the complexity of the data acquisition and reduction systems that

Dimensional Measurement Uncertainty from Data. Part 2: Uncertainty R&R

July 1, 2016
Author(s)
Theodore D. Doiron
While check standards will eventually give the most accurate uncertainty for a calibration procedure, the time and expense can be discouraging. Another common method, standard Gage Repeatability and Reproducibility study does not produce anything like the

Direct time-domain observation of attosecond final-state lifetimes in photoemission from solids

July 1, 2016
Author(s)
Zhensheng Tao, Cong Chen, Tibor Szilvasi, Mark W. Keller, Manos Mavrikakis, Henry C. Kapteyn, Margaret M. Murnane
Attosecond spectroscopic techniques have made it possible to measure differences in transport times for photoelectrons from localized core levels and delocalized valence bands in solids. We report the application of attosecond pulse trains to directly and
Displaying 28151 - 28175 of 143797
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