radioactivity protection

基本解释

As to residual radioactivity in man-improved gems from nature more protection and inspection should be enhanced.
对目前一些天然宝石的人工改善品中会残留放射性问题，指出要加强防护监测。
Objective:To understand the situation of disposition, the radiotherapy performance quality and the radioactivity protection effect on gamma knife in Guangxi.
目的：了解广西伽玛刀配置、放射治疗的性能质量和放射防护效果。
Though validating the reliability with Monte Carlo simulating radioactivity particle to treat tumors, this work can provide theoretical base in developing radiation protection.
在实际放射治疗中，可用蒙特卡罗方法的计算结果对放射治疗计划的计算结果进行修正，以便保证放射治疗的质量。