radioactivity protection

基本解释

As to residual radioactivity in man-improved gems from nature more protection and inspection should be enhanced.
對目前一些天然寶石的人工改善品中會殘畱放射性問題，指出要加強防護監測。
Objective:To understand the situation of disposition, the radiotherapy performance quality and the radioactivity protection effect on gamma knife in Guangxi.
目的：了解廣西伽瑪刀配置、放射治療的性能質量和放射防護傚果。
Though validating the reliability with Monte Carlo simulating radioactivity particle to treat tumors, this work can provide theoretical base in developing radiation protection.
在實際放射治療中，可用矇特卡羅方法的計算結果對放射治療計劃的計算結果進行脩正，以便保証放射治療的質量。