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吸入氡子体肺剂量学郑文忠筝是大然存在的放射性气体核素，是““ａ的衰变产物．人们吸入第及其子体，使呼吸道受到照射．据联合国原子辐射效应科学委员会（ＵＮＳＣＥＡＲ）估计，人们吸人缘于体的照射剂量可达天然或人工辐射源所致的总辐射剂量的５０＠以上．流行病学调...
Inhalation of radon progenitor lung dose Zheng Zhengzhong Zheng is a radionuclide radionuclide exists, is “” a decay product. People inhale the first and its daughters, exposing the respiratory tract. According to the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), human exposure to human beings can reach over 50% of the total radiation dose caused by natural or artificial radiation sources. Epidemiological tune ...