The absorption of haematomas was assessed quantitatively by daily measurementof 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。
2
This paper describes the principle and application of correlation method in the absolute radioactivitymeasurement.
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。
3
In the measurementof low-level radioactivity, instead of Poisson distribution, a negative binomial distribution is proposed to denote the probability distribution of actual counts.