A new method of measuring indoor radioactivity of radon is presented by using the indoor fast-moving ball as the sample of a radioactive substance.
给出了一种用室内快速运动的球体作为放射性样品测量室内氡射气辐射活度的新方法。
The method of measuring radioactive radon in the soil is simple, economic and effective.
土壤放射性测氡是一种简便易行、经济快速、效果十分明显的勘探方法。
Radon measuring is a major method in uranium exploration. In the recent years, the method of radon measuring and its application field has been expanded speedily.
测量氡是铀矿勘查中的重要方法，近年来的测氡方法及其应用范围迅速扩大。
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