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Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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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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Fusion Science and Technology
Latest News
Bacteria found to reduce uranium mobility in clay
Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) research laboratory in Germany have investigated a microorganism capable of transforming water-soluble hexavalent uranium [U(VI)] to the less-mobile tetravalent uranium [U(IV)]. The researchers found that the sulfate-reducing bacterium Desulfosporosinus hippei, a relative of naturally occurring microorganisms present in clay rock and bentonite, showed a relatively fast removal of uranium from clay pore water.
N. S. Yoon, B. H. Park, S. S. Kim, J. Y. Kim, M. Kwon
Fusion Science and Technology | Volume 43 | Number 1 | January 2003 | Pages 105-107
Heating | doi.org/10.13182/FST03-A11963575
Articles are hosted by Taylor and Francis Online.
Effects of ion and electron bounce motions on ICRF (Ion Cyclotron Range of Frequency) heating mechanism in simple mirror discharge are investigated theoretically. As a preliminary study, we consider a one-dimensional model in which propagating R (Right-handed circularly polarized) and L (Left-handed circularly polarized) waves interact with mirror-trapped ions and electrons. The results show that ion bounce resonance effect with L-wave can occur under the condition that ωci < ω.
