| 单词 | exclusion principle |
| 释义 | > as lemmasexclusion principle exclusion principle n. Physics the hypothesis that no two particles of the same kind can exist in states designated by the same quantum numbers, found to be true for the particles known as fermions. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > symmetry, conserved properly > [noun] > exclusion principle Pauli('s) (exclusion) principle1926 exclusion principle1928 1928 Chem. Abstr. 22 4351 (heading) The Pauli exclusion principle. 1930 Physical Rev. 35 580 Pauli's exclusion principle..was stated in the form that no two electrons in an atom can have the same set of quantum numbers. 1946 J. R. Partington Gen. & Inorg. Chem. x. 257 For an atom containing more than one electron, the maximum number of electrons in each shell is fixed by Pauli's exclusion principle. 1948 Mind 57 539 Broadly speaking, the Exclusion Principle comprises two distinct features concerning the individuality of electrons and their occurrence in atomic systems: (a) electrons are regarded as intrinsically indistinguishable, and (b) in a given atom, no two electrons can occupy the same ‘energy level’. < as lemmas |
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