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本文以~(137)Cs衰变率的绝对测量为例,叙述了效率示踪法运用于纯β放射性和延迟γ射线发射的β-γ核衰变率绝对测量的原理、方法和步骤,并对结果进行了误差分析。
In this paper, the absolute measurement of ~ (137) Cs decay rate is taken as an example to describe the principle, method and steps of absolute tracing of β-γ nucleus used by pure tracer and delayed γ-ray in efficiency tracing method. Error analysis was performed.