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Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
Can hydrogen be the transportation fuel in an otherwise nuclear economy?
Let’s face it: The global economy should be powered primarily by nuclear power. And it probably will by the end of this century, with a still-significant assist from renewables and hydro. Once nuclear systems are dominant, the costs come down to where gas is now; and when carbon emissions are reduced to a small portion of their present state, it will become obvious that most other sources are only good in niche settings. I mean, why use small modular reactors to load-follow when they can just produce that power instead of buffering it?
Mariko Konishi, Yasunori Ohashi, Hiroe Yoshioka, Hisashi Yoshioka
Fusion Science and Technology | Volume 41 | Number 3 | May 2002 | Pages 442-444
Biology | Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001 | doi.org/10.13182/FST02-A22628
Articles are hosted by Taylor and Francis Online.
Solid state spin trapping method was applied for measuring the scavenging activity of hydroxyl (OH) radical formed by the beta ray from tritiated water with four tea catechins, (−)-epicatechin (EC), (−)-epicatechin gallate (ECg), (−)-epigallocatechin (EGC) and (−)-epigallocatechin gallate (EGCg). The activity was in the order of EGCg > ECg > EGC > EC. This is consistent with the order of the number of phenolic hydroxyl groups in each catechin molecule. However, it was shown that EGCg had stronger activity than others, which suggested the interaction between the B ring and the gallate group.