The research results of the effect of covered soil density on reducing radon emanation rate are introduced.
介绍了覆土密度对降低氡析出率影响的试验研究结果。
2
Objective to study toxic effect of inhaled radon and its progeny on blood and bone marrow cells of mice.
目的研究氡及其子体对小鼠造血系统的影响。
3
The effect of indoor radon to people health is caused by exposure concentration and exposure time. The hazard of indoor radon is mainly found in the cases of lung cancer and leukaemia.