丢失放射性密封源是同位素应用的最安全隐患,应重点加强监管。
The loss of radiative seal sources is the biggest security hidden trouble for application of isotope, Should be managed and inspected carefully.
核测井使用的密封中子源和伽马源具有较强的放射性,对操作人员有一定的辐射损伤。
Sealed neutron source and gamma source used in nuclear logging have strong radioactivity which is harmful to operators.
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