... radioactive prospecting 放射性勘探 radioactive source 放射性源 radioactive standardization 放射性标准化 ...
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文章介绍了放射性源强磁打捞器的研制和试验。
Here in this paper the research and test works on radioactive source strong magnetic die were introduced.
仪器通过实时监测放射性源对周围环境的辐射量来判断放射性源所处的状态，并能自动予以声、光报警。
Through measuring the radiation quantity around surroundings where radioactive source is placed, it estimates the status of radioactive source automatically, and gives an alarm of light and sound.
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。
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.
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