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| 南京市地铁车站氡浓度水平的初步调查 |
| Preliminary Investigation of Radon Radiological Level in Air of Nanjing Metro Station |
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| 中文摘要: |
| 采用静电收集氡子体法对南京市地铁车站环境中氡浓度进行了调查，初步掌握了南京市地铁站重点区域的氡浓度放射性水平，按照联合国原子辐射效应科学委员会推荐的评价方法估算氡浓度对地铁内工作人员人均年有效照射剂量。对地铁站新建和扩建项目的机械通风设计，为工作人员和公众的内照射剂量水平估算等提供依据。 |
| 英文摘要: |
| The radon level in air of Nanjing metro station has been invested preliminarily by using collect random daughter by static electricity. The radioactivity of radon level of major area in the station are obtained on basis of which, the annual average effective exposure dose of metro workers is given according to the evaluation approach recommended by the United Nations Scientific Committee on the Effects of Atomic Radiation(UNSCEAR). The result can give the suggestive instructions on the engineering design of metro mechanical ventilation as well as the dose evaluation of the public and the metro workers by the radon radiological exposure. |
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