| 1. | The daughter nuclides of radon and thoron tend to become attached .
氡和钍射气的子体易被气溶胶吸附。 |
| 2. | The radioactive dust will contribute to higher levels of uranium and radon .
放射性尘埃会形成铀和氡的高值。 |
| 3. | Radon concentration in ground water was measured at 18 points including two continuous recording stations .
测量了包括两个连续记录台站在内共18个点的地下水的氡浓度。 |
| 4. | In addition, reference is made to the novel techniques of the determination of radon and its daughter products in the atmosphere .
此外，还介绍了一些新方法，例如测量大气中的氡及其衰变产物。 |
| 5. | Standards for controlling radon concentration in dwellings
住房内氡浓度控制标准 |
| 6. | Radon - nikodym property and girth of orlicz - sobolev spaces
序列空间的一致凸点 |
| 7. | Study on the temporal change of radon concentration
空气中氡浓度时间变化规律探讨 |
| 8. | Three - pass 3 - d pre - stack migration by radon projection
三步法三维叠前拉东投影偏移 |
| 9. | Building materials used to prevent radon and radiation
防辐射建筑材料研究进展 |
| 10. | High buildings , construction material and its radon pollution
建筑材料与室内氡污染 |
