^(89)Sr放射性核素的活度测量

Absolute Measurement of ^(89)Sr Activity

介绍利用液体闪烁计数法对89Sr核素进行绝对测量 ,解决了零几率外推等问题 ,合成标准不确定度达到0 62 %。为89Sr核素的应用提供可靠的测量方法。

The paper describes the method, the results of measurements of 89 Sr activity with Liquid Scintillation Counting Method. The combined uncertainties of measurements of 89 Sr activity are 0 62%。