1.
Study on AMS Measurement of Ultra Trace Nuclides in Rare Event Detector Material;
加速器质谱法测量稀有事件探测器材料中的放射性杂质研究
2.
make radioactive by adding radioactive material.
通过增加放射性物质使具有放射性。
3.
Free of Dirt, Contamination, Radiation and Explosives or other Impurities.
无污染、放射、爆炸物或其它杂质。
4.
Exempt Items of Radioactive Substances
放射性物质的豁免物品
5.
radioactive half life
放射性物质的半衰期
6.
Low Specific Activity Materials
低化活度放射性物质
7.
unsealed radioactive substance
非密封的放射性物质
8.
radioactive processing plant
放射性物质处理装置
9.
sealed source [radioactive substance]
密封源〔放射性物质〕
10.
high-level cell
高放射性物质工作室
11.
quality control of radioactive products
放射性产品的质量控制
12.
(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
13.
A radioactive isotope of thorium with mass number228.
射钍钍的放射性同位，质量数为
14.
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
15.
With increasing doping concentration, the impact of neutral impurity scattering becomes more significant.
随着掺杂浓度的增加,中性杂质散射作用增强.
16.
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
17.
The in situ hybridization effort estimation between antisense RNA probe and random primed DNA probe;
不同方式标记非放射性探针原位杂交效果评价
18.
Apreliminary analysis of the properties of urinary radioactive metabolite was made.
初步分析了尿中放射性代谢物的性质。