| 单词 | neutron capture |
| 释义 | > as lemmasneutron capture neutron capture n. the absorption of a neutron by an atomic nucleus. ΘΚΠ the world > matter > physics > atomic physics > particle physics > particle participating in strong interaction > baryon > [noun] > neutron > absorption by nucleus neutron capture1936 1936 Science 22 May 481/2 Radio-iridium probably is the product in a reaction in which the deuteron is captured by the platinum nucleus and an alpha particle is emitted. On the other hand, the production of radio-platinum involves only neutron capture. 1936 Chem. Rev. 18 485 Two neutron-capture reactions have been known for bromine for some time. 1966 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. II. xxxv. 635 Neutron-capture efficiencies are usually measured in terms of nuclear cross-sections, for which the whimsical unit the ‘barn’ has been devised. 1994 H. Karttunen et al. Fund. Astron. (ed. 2) xi. 270 Elements heavier than iron are almost exclusively produced by neutron capture during the final violent stages of stellar evolution. < as lemmas |
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