The gamma-ray exposure rate of a ~(239)Pu-Be source was meas-ured with an energy compensated G-M counter and neutron insensitive ther-moluminescent materials(TLD-700).

• 本文叙述用 G-M 计数管和 TLD-700热释光剂量计测量~(239)pu-Be 中子源 Y 照射量率的方法和结果。