Thermal neutrons(热中子)：Neutrons of a very low speed and energy;their energy is of the same order as that of the substance through which they ...
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N-PLURAL slow neutrons that are approximately in thermal equilibrium with a moderator. They have a distribution of speeds similar to that of the molecules of a gas at the temperature of the moderator. Data concerning nuclear interactions are often given for standard thermal neutrons of speed 2200 metres per second, which is approximately the most probable speed at normal laboratory temperatures 热中子
So this identifies a number of thermal neutrons absorbed in control rods and water and that's sort of the thermal utilisation.
所以，这个确认了很多的吸收的热量中子，在控制棒和水里，那差不多是热能使用。
So if we start up here, fast neutrons produced by fission, by thermal fission and then you add the total number of fast neutrons produced.
如果我们在这开始，生产的快速中子,通过裂变，通过热能裂变,你加入生产的快速,中子的全部数量。
So you have neutrons actually getting into the thermal energy range and then these neutrons become absorbed, not capable of producing fission.
所以，你得到中子会进入到,热能范围里，然后这些中子,变成吸收的，不能够产生裂变。
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