方法用高灵敏度负高压人呼出气中钍射气子体收集测量系统对每名被检矿工测定其肺内钍的沉积量。
Method By using high sensitive negative voltage exhaled thoron progeny collection and measurement system, the thorium lung burdens of each dust exposed miner was obtained.
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。
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。
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.
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