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叙述了两种电离室的制作,测量了饱和特性、轴向均匀性、灵敏度、稳定性等性能参数以及物料对~(137)Csγ射线的吸收规律。
The preparation of two ionization chambers is described. The performance parameters such as saturation property, axial uniformity, sensitivity and stability are measured and the absorption law of ~ (137) Csγ ray is measured.