英语词汇“selection rule”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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selection rule

selection rule n. Physics any of a number of rules which describe, within certain limits, which particular quantum transitions can occur in an atom, molecule, etc., and which are ‘forbidden’.

ΚΠ

1931 H. P. Robertson tr. H. Weyl Theory of Groups & Quantum Mech. iv. 198 The selection rule for the inner quantum number j is obtained in an analogous manner.

1977 I. M. Campbell Energy & Atmosphere viii. 218 The origin of the selection rules for radiative transitions between electronically excited states and the ground state lies in fundamental quantum theory.

extracted from selectionn.

as lemmas

单词	selection rule
释义	> as lemmas selection rule selection rule n. Physics any of a number of rules which describe, within certain limits, which particular quantum transitions can occur in an atom, molecule, etc., and which are ‘forbidden’. ΚΠ 1931 H. P. Robertson tr. H. Weyl Theory of Groups & Quantum Mech. iv. 198 The selection rule for the inner quantum number j is obtained in an analogous manner. 1977 I. M. Campbell Energy & Atmosphere viii. 218 The origin of the selection rules for radiative transitions between electronically excited states and the ground state lies in fundamental quantum theory. extracted from selectionn. < as lemmas
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