岩石、土壤、水、气中所含放射性核素含量比周围介质中放射性含量的背景值或测量平均值高出2~3倍,或高出测量平均值加上统计方差的2~3倍值(阀值)时,称为放射性异常。
... radioactive air sampler 放射性空气取样器 radioactive anomaly 放射性异常 radioactive ash 放射性灰 ...
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... radioactive-tracer-fibre 放射性示踪纤维 radioactivity anomaly 放射性异常 radioactivity decay 放射性衰变 ...
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放射性水异常评价解释 evaluation and interpretation of hydroradioactive anomalies
油气田放射性异常模式及其机理,是油气田放射性勘查的重要理论依据。
The model and mechanism of radioactive anomaly are the theoretical basis of radioactive prospecting in the oil and gas fields.
具有高放射性异常铅的穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。
The Mujiazhuang copper deposit with high radioactive lead isotope compositions is located in Zha-shan area of the South Qinling Orogenic Belt.
“异常”也可能意味着核设施的某个安全问题本可能造成更大的破坏,但结果并未造成严重后果;或是放射性材料被盗,或被不当运输。
An "anomaly" can also mean that a safety problem at a facility could have resulted in greater damage than it did or that radioactive material has been stolen or transported incorrectly.
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