中子-质子质量差
neutron proton mass difference
neutron-proton mass difference
difference
neutron-proton mass
发射中子-质子比
ratio of emitted neutron and proton
脉冲中子－中子测井仪
pulsed netron-netron logger
无限介质中子寿命
infinite medium neutron lifetime
质子(中子)分离能
proton(neutron) separation energy
中子(质子)发射
neutron (proton) emission
中子-质子关联效应
neutron proton correlation effect
中子质子交换力
neutron-proton ex-change forces