A lot of people worry about that the terrorists will make nuclear terror to jeopardize people's wealthy and property to reach their terrorist goals for disturbing social system and beating economy by attacking nuclear facilities or dispersing radioactive materials after 9.
“9·11”事件后,人们普遍担心恐怖分子会将包括核电站在内的核设施作为袭击目标,轰炸这些核设施,使其释放出放射性物质,危害公众的生命和财产安全;或者散布放射性物质,造成“核恐慌”,从而达到扰乱社会秩序、打击经济的恐怖目的。
Based upon monitoring results of radioactive materials in tunnel excavation construction in Qinling Tunnel the intensity of radioactivity and distribution regularities is summarized, meanwhile, preliminary assessment and research are conducted for radiation hazard and protection.
结合西康线秦岭特长隧道Ⅱ线平导开挖过程中对隧道放射性物质监测结果,针对隧道内放射性强度、分布规律进行了归纳、总结,并就其辐射危害及防护进行了初步评价和研究。
Exempt Items of Radioactive Substances
放射性物质的豁免物品
make radioactive by adding radioactive material.
通过增加放射性物质使具有放射性。
radioactive half life
放射性物质的半衰期
Low Specific Activity Materials
低化活度放射性物质
unsealed radioactive substance
非密封的放射性物质
radioactive processing plant
放射性物质处理装置
sealed source [radioactive substance]
密封源〔放射性物质〕
high-level cell
高放射性物质工作室
(the sending out of)rays and atomic particles from radioactive substances
（自放射性物质中放射出的）射线和原子粒子
Regulation of radiation protection for handling nonsealed radioactive material
GB11930-1989操作开放型放射性物质的辐射防护规定
Quality assurance for packaging used in the transport of radioactive materials
GB15219-1994放射性物质运输包装质量保证
contaminated clothing,eg by radio-active material
受污染的衣物（如受放射性物质污染）
giving off light or heat or radiation: the physical temperature of the emitting material.
散发出光、热或射线的：放射性物质的物理温度。
any of several radioactive gases that are isotopes of radon and are products of radioactive decay.
"几种氡的同位素的放射性气体,是放射性物质衰变的产物."
Unsealed radioactive substances--Identification and certification
GB/T7161-1987非密封放射性物质识别和证书
low-level analysis
低剂量放射性物质的分析
the chemistry of radioactive substances.
化学中有关放射性物质的分支。
Regulations for the Safe Transport of Radioactive Materials
放射性物质安全运输规则