| 单词 | liquid-drop |
| 释义 | > as lemmasliquid-drop liquid-drop n. used attributively in Physics to denote a theoretical model in which an explanation of the properties and behaviour of the atomic nucleus is sought by likening it to a droplet of liquid, as regards the forces between its constituents. ΘΚΠ the world > matter > physics > atomic nucleus > [adjective] > relating to models of the nucleus Saturnian1904 isoelectronic1928 liquid-drop1939 1939 Meitner & Frisch in Nature 11 Feb. 239/1 On account of their close packing and strong energy exchange, the particles in a heavy nucleus would be expected to move in a collective way which has some resemblance to the movement of a liquid drop.] 1939 N. Bohr & J. A. Wheeler in Physical Rev. 56 426 On the basis of the liquid drop model of atomic nuclei, an account is given of the mechanism of nuclear fission. 1955 R. D. Evans Atomic Nucleus xi. 365 The liquid-drop model is the antithesis of the independent-particle models. The interactions between nucleons are assumed to be strong instead of weak. 1970 D. F. Jackson Nucl. Reactions ii. 17 The static liquid drop model of the nucleus..was the first successful nuclear model and was used to describe the bulk properties of nuclei such as nuclear masses and binding energies. < as lemmas |
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