还应用外置伽玛源和中子源进行了实验，以判断本底的来源。
Some external neutron and gamma source experiments were carried out to study the origin of the background.
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.
应用推荐