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本文介绍了用液体闪烁计数法标定β放射性核素的实验方法,用积分偏压曲线的二次外推来测定~(14)C的衰变率。
In this paper, the experimental method for the determination of β radionuclides by liquid scintillation counting is introduced. The decay rate of ~ (14) C is determined by the second extrapolation of integral bias curve.