亚洲中文自拍另类中文亚洲无线码_日本一二区免费_在线播放毛片av网站免费_女人冒白浆视频_韩国精品成人无码AV在线_国产毛l片免费观看_久久久国产精品婷婷_车上玩弄馊子高潮_最新激情中文字幕第一页_欧美一本大道高清视频

This standard is developed to implement laws and regulations such as the Law of the People's Republic of China on the Prevention and Control of Radioactive Pollution and the Regulations on the Safety and Protection of Radioactive Isotopes and Radiation Devices, to safeguard human health, protect the ecological environment, and standardize radiation safety in nuclear medicine. This standard specifies radiation protection and safety requirements for nuclear medicine, including general principles, site selection and layout, radiation safety and protection in the workplace, radioactive waste management, radiation monitoring, etc. Appendix A to C of this standard is informational appendix. This standard is the first release.