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本文报告了用于流动液体连续测量的圆柱形螺旋体状样品分布点源的效率刻度方法,及其探测效率响应与点源位置及γ射线能量间的函数关系。该拟合函数的获得为用于含有分秒级或更短寿命的放射性核素的动态样品γ谱分析的计算机自动处理提供了极大便利。
In this paper, the efficiency calibration method for point source distribution of cylindrical spiral samples for continuous measurement of mobile liquid and the relationship between the detection efficiency response and the position of point source and the energy of γ-ray are reported. The fitting of the fitting function provides a great convenience for automatic computer processing of gamma spectrum analysis of dynamic samples containing radionuclides of sub-second or shorter lifetime.