| 单词 | multiplication factor |
| 释义 | multiplication factor Symbol k. The ratio of the average number of neutrons produced in a nuclear reactor per unit time to the number of neutrons lost by absorption or leakage in the same time. If k = 1 , the reactor is said to be critical . If k > 1 it is supercritical and if k < 1 it is subcritical . See also critical reaction |
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