单词 | binding energy |
释义 | > as lemmasbinding energy binding energy n. Physics the energy required to break up a nucleus into its constituent particles. ΘΚΠ the world > matter > physics > atomic nucleus > [noun] > decomposition of nucleus > energy required for binding energy1932 1932 J. Chadwick in Proc. Royal Soc. A. 136 708 This suggests that the neutron consists of a proton and an electron in close combination, the binding energy being about 1 to 2 × 106 electron volts. 1933 E. Wigner in Physical Rev. 43 253/2 One of the remarkable facts about the mass defects in the very first elements is the very great binding energy of the He nucleus. 1933 E. Wigner in Physical Rev. 43 256/1 We now come to the calculation of the binding energy of the He nucleus, 1 and 2 are neutrons, 3 and 4 protons. 1957 Encycl. Brit. XVI. 593 d/1 The binding energy is a negative energy in the sense that one has to add energy to decompose a helium nucleus into neutrons and protons. 1958 W. K. Mansfield Elem. Nucl. Physics ii. 15 It should require, roughly, 28/4 = 7 MeV to detach a single nucleon. This amount of energy is known as the average binding energy per nucleon. < as lemmas |
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