measurement of low level radioactivity 低水平放射性测量
low level radioactivity 低水平放射性测量
low-level radioactivity 低水平放射性测量
high-level radioactivity sludge 高放泥浆
low level radioactivity measuring 低水平放射性测量
low-level radioactivity measurement 低水平放射性测量
radioactivity level 放射性能级
low level a-radioactivity 低水平α放射性
The low level radioactivity was easily removed from affected personnel by washing with soap and water.
用肥皂水洗浴之后很容易就消除了17名机组人员身上的核辐射。
Due to deep burn-up, the spent fuel of nuclear power reactors has not only complex composition, but also high-level radioactivity.
动力堆乏燃料由于其燃耗深，所以成分复杂，放射性强，从而给其后处理分析带来极大的困难。
The measuring method of low level radioactivity were used because the sample is often very less and the radioactivity is frequently very low.
由于进行多金属结核与结壳研究测量样品的量较少，其中的放射性核素含量很低，所以要用低水平放射测量方法完成分析测量工作。
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