摘要
建立了１个用于测试材料防中子、γ辐射屏蔽性能，着重描述防中子辐射的物理实验室。采用１个１００μｇ２５２Ｃｆ裂变中子源并加准直，准直孔径可变，适用于不同尺寸材料的测量。测定了材料的衰减系数、周围物体对中子散射的贡献和中子场均匀性。给出的材料屏蔽性能与理论计算作了比较，两者符合较好。
The physical laboratory for measuring shelter property of material used for protection of neutron and gamma radiation is established.The neutron physical laboratory for measuring shelter property of material with neutron radiation protection is presented. There is a 252 Cf neutron source of 100 μg.It′s collimated.The hole size of collimator can be changed.It is used for measuring shelter of different size material.The effect of scattered neutrons,uniformity of neutron field and properties of devices are determined.Some results of several material's shelter property are given,both results of theoretical calculated and measured are compared,and the difference is small.
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
1997年第5期472-480,共9页
Atomic Energy Science and Technology
