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| 单词 | quadrupole moment |
| 释义 | > as lemmasquadrupole moment quadrupole moment n. the (electric or magnetic) moment associated with a quadrupole, which is a function of the magnitudes of the constituent poles, the distance between them, and their configuration. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] > multipole moment > of specific order quadrupole moment1922 octupole moment1954 1922*Quadrupole moment [see sense B.]. 1957 Sci. News 43 87 The quadrupole moment..is a measure of the departure of the nucleus from a spherical to an ellipoidal shape. 1990 J. Gribbin & M. Rees Cosmic Coincidences (1991) viii. 203 The amount of radiation a mass can emit, according to Einstein's theory, depends on what is known as its quadrupole moment, a property related to its shape. < as lemmas |
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