1.
Moreover, the monitoring findings achieved by the environmental protection departments over the years have proved that the natural radiation level in Tibet is within the standards specified by the state's radiation protection regulations.
环境保护部门多年监测结果证实，西藏环境天然放射性水平在国家辐射保护规定标准内。
2.
Environmental survey and assessment of natural radioactivity for a certain area of Jiangsu province
江苏省某地区天然放射性环境调查与评价
3.
A river kind of sediment Certified Reference Material( CRM) based on natural-matrix for environmental radioactivity has been developed.
研制出一种天然基质的河流沉积物环境放射性标准物质。
4.
environmental radiological monitoring data
环境放射性监测数据
5.
movement of environmental radioactive nuclide
环境放射性核素移动
6.
extinct natural radionucleus
消失的天然放射性核
7.
secondary natural radionuclides
次生天然放射性核素
8.
extinct natural radionuclides
消失的天然放射性核素
9.
induced natural radionuclide
感生天然放射性核素
10.
(5) Management of Noise, Electro-Magnetic Radiation and Radioactivity
（五）噪声、电磁辐射和放射性环境管理
11.
International Conference on Radioactive Waste Management and Environmental Remediation
放射性废物管理与环境补救国际会议
12.
Equipment for monitoring airborne radioactive iodine in the environment
GB/T13162-1991环境中气载放射性碘监测设备
13.
Study on Environment Radioactivity of Representative Diggings in ChongQing;
重庆市典型矿区环境放射性水平研究
14.
A ASSESSMENT OF ENVIRONMENTAL GEOLOGY FOR 537-1 RADIOACTIVE WASTE Bank;
537-1放射性废物库环境地质评价
15.
Radioactive Detection of Environmental Samples in Lop Nur Region
罗布泊地区环境样品中的放射性检测
16.
Appraisal of Radioactive Environment for Chengdu Economic Region
成都经济区放射性环境评价分析研究
17.
INVESTIGATION OF NATURAL RADIOACTIVITY LEVEL OF THE WATERS IN BAOTOU AREA
包头地区水体中天然放射性水平调查
18.
Natural radioactivity contains a store of valuable information.
天然放射性包含着许多有价值的信息。