radioactive source

常見例句

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.
放射源的琯理也是核電站或核企業(yè)維持其良好安全記錄和社會(huì)形象的一項(xiàng)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.
利用放射性源的伽馬射線轟擊井眼周圍的巖石，通過對(duì)反散射伽馬射線計(jì)數(shù)，可以計(jì)算出地下巖石的密度。
www.infopetro.com.cn
This paper introduces the advantages of ISOCS measurement method by efficiency calibration without a radioactive source , comparing with traditional measurement methods of environment samples.
以比較的方法，介紹了ISO CS 系統(tǒng)無源刻度測量方法相對(duì)於傳統(tǒng)環(huán)境樣品放射性測量方法的優(yōu)點(diǎn)。

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