The absorption of haematomas was assessed quantitatively by daily measurement of the radioactivity and compared intraindividually.
血肿的吸收通过每日定量地测定放射活性进行比较。
This paper describes the principle and application of correlation method in the absolute radioactivity measurement.
本文介绍用于放射性核素活度绝对测量的相关方法的基本原理、应用及其优点。
In the measurement of low-level radioactivity, instead of Poisson distribution, a negative binomial distribution is proposed to denote the probability distribution of actual counts.
在低水平放射性测量中，建议采用负二项式分布代替泊松分布来描述真实测量计数的几率分布。
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