用贫化铀裂变室进行绝对裂变率测量。
The absolute fission rates was measured by the depleted uranium fission chamber.
本文介绍了堆芯小型裂变室的简单工作原理、特点、用途及主要性能。
The simple operating principle, the performance, use and principal property are given in this paper.
描述了裂变源、微型裂变室、中子探测器、实验安排以及降低测量本底的措施。
Detailed descriptions of the fission neutron sources, the ionization chamber for fission fragment detection, the neutron detectors and the experimental arrangement are given.
用小型平板裂变室测量中子穿透实验模型后引发238u绝对裂变率，掌握小空间测量中子技术。
Using uranium fission Chambers of minitype slab in the case of 14 MeV neutrons penetrating through the special experiment model, the pure 238u absolute fission rates are measured.
用小型平板裂变室测量中子穿透实验模型后引发238u绝对裂变率，掌握小空间测量中子技术。
Using uranium fission Chambers of minitype slab in the case of 14 MeV neutrons penetrating through the special experiment model, the pure 238u absolute fission rates are measured.
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