Nuclear Physics. Of a nuclear reactor or fuel: sustaining a steady chain reaction. Cf. subcritical, adj. 4, supercritical, adj. 5.
| 单词 | θ79729 |
| 释义 | the world > matter > physics > atomic nucleus > nuclear fission > [adjective] > maintaining chain reaction (2) critical1947 Nuclear Physics. Of a nuclear reactor or fuel: sustaining a steady chain reaction. Cf. subcritical, adj. 4, supercritical, adj. 5. prompt critical1954 (of a reactor) critical even when the effect of delayed neutrons is neglected and prompt neutrons alone are considered. |
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