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由于中子管中次级电子的存在,中子产额明显降低。主要讨论中子管中次级电子产生的原因,并提出抑制次级电子的方法
Due to the presence of secondary electrons in the neutron tube, the neutron yield is significantly reduced. The main reason for the secondary electron generation in neutron tubes is discussed and the method of suppressing secondary electrons is proposed