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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Standards Program
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
Blades-in turbine inspections at Quad Cities set new benchmark for Constellation
When Constellation decided to install replacement Alstom low-pressure turbines at three of its boiling water reactor plants more than 15 years ago, one benefit was knowing the new turbines should operate reliably—and without major inspections—for several years.
Melvin Reier, Felix Obenshain, Robert L. Hellens
Nuclear Science and Engineering | Volume 4 | Number 1 | July 1958 | Pages 1-11
Technical Paper | doi.org/10.13182/NSE58-A25515
Articles are hosted by Taylor and Francis Online.
The slowing-down distribution of Po-Be neutrons has been measured in aluminum-water, zirconium-water, and iron-water mixtures up to metal water ratios of 2:1 by volume. The second moment of the distribution has been obtained from these measurements and compared with theoretical calculations based on a solution of the transport equation. The effect of varying the source spectrum and cross sections in the calculations is discussed.