中子裂变反应
中子裂变反应-
由于少用或没用缓和剂而由快速中子引起的裂变反应。
Nuclear fissions are caused by fast neutrons because little or no moderator is used .
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对于提供核能源或中子源的核裂变反应系统，需从理论上给出它的临界安全性和中子能谱，通常通过k本征值问题的计算来实现。
The nuclear fissile reaction system , which provides nuclear energy or neutrons , theoretically demands its criticality safety and neutron energy spectrum to be predicated .
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在不同实验系统上，测量了铁球壳表面不同位置上中子引起的绝对裂变反应率分布。
In different experiment systems , absolute fission reaction rates , derived from reflection neutrons , at different positions of the surface of an iron spherical shell were measured .