| 词汇 | nucleon |
| 释义 | nucleon noun[ C ] physics specializeduk /ˈnjuː.kli.ɒn/ us /ˈnuː.kli.ɑːn/ a proton(= an extremely small piece of matter with a positive electrical charge) or a neutron (= an extremely small piece of matter with no electrical charge) in an atom: 核子，质子或中子 The separate nucleons have more mass than the nucleus itself.原子核内的核子分离后，总质量比原子核更大。 See also internucleon The nucleus is made up of particles called nucleons. The nucleons are bound tightly together by the strong nuclear force. If a nucleus is formed from separate nucleons, energy is released. If two light nuclei fuse, the final binding energy per nucleon will be greater than the original value. Physics: atoms, molecules & sub-atomic particles acceptor alpha particle anti-radical antilepton antimatter antineutrino beta decay beta particle hadron Higgs boson interatomic interelectronic interionic molecularly monatomic multi-molecular multiparticle muon positron relative atomic mass |
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