| 单词 | delayed neutron |
| 释义 | > as lemmasdelayed neutron delayed neutron n. a neutron emitted as a result of the radioactive decay of any of the nuclei produced in a fission reaction, rather than during the reaction itself; contrasted with prompt neutron (see prompt adj. 5). ΚΠ 1939 Sci. News Let. 11 Mar. 149/1 Only rarely would one of the delayed neutrons happen to hit another uranium atom and break it, too. 2017 S. Marguet Physics Nucl. Reactors ii. 145 Delayed neutrons are emitted at a lower energy level. < as lemmas |
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