radioactive source

常见例句

Radioactive source management is one of the key activities for a nuclear power plant to maintain its good safety record and image to the public.
放射源的管理也是核电站或核企业维持其良好安全记录和社会形象的一项重要工作。
A radioactive source is used to bombard the rocks surrounding the wellbore with gamma rays. By counting the backscattered gamma rays, the density of the subsurface rock can be computed.
利用放射性源的伽马射线轰击井眼周围的岩石，通过对反散射伽马射线计数，可以计算出地下岩石的密度。
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This paper introduces the advantages of ISOCS measurement method by efficiency calibration without a radioactive source , comparing with traditional measurement methods of environment samples.
以比较的方法，介绍了ISO CS 系统无源刻度测量方法相对于传统环境样品放射性测量方法的优点。

Tokyo Electric has been using colored powder to trace the source of highly radioactive water leaking into the ocean near Fukushima, which was damaged by an earthquake and tsunami last month.
FORBES: On Japan: Russia Sends Help, China Finds Radiation and India Bans Rice