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.

youdao

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.

youdao

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.

youdao

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.

youdao