Radon comes from radium decay.
氡来自镭的衰变。
It is produced from radium in the decay chain of uranium, an element found in varying amounts in all rocks and soil.
它产生于铀衰变链中的镭，而铀是所有岩石和土壤中都能找到的一种元素，含量各不相同。
Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的气体。
Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的一种气体。
Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的一种气体。
应用推荐