1.
Polonium is a naturally radioactive metallic element.

钋是一种具有天然辐射性的金属元素。
2.
natural diamond nuclear radiation detector

天然金钢石核辐射探测器
3.
Thermal imagery produces a visual record from natural heat radiating sources.

热图象由天然热辐射源产生一种可见的记录。
4.
microwave radio astronomy radiometer

微波射电天文辐射计
5.
low-altitude dish

低辐射天线,低仰角天线
6.
Investigation on the Level of Environmentally Naturally External Exposure Penetrating Radiation in Wuyi Mountain Primeval Forest Park;
武夷山原始森林公园环境天然外照射贯穿辐射剂量水平调查研究
7.
satellite antenna radiation patter

卫星天线辐射方向图
8.
side fire helical antenna

侧向辐射式螺旋形天线
9.
omniguide antenna

全向辐射槽缝式天线
10.
Radiation Laboratory [Hong Kong Observatory]

辐射实验室〔香港天文台〕
11.
The Study on the Radioprotective Effects of the Five Plateau Natural Medicines of Yunnan Province to Radiation-damaged Mice;
五种云南高原天然药物对辐射损伤小鼠防护作用的研究
12.
The Study to 4 Yunnan Natural Medicines Provides Protection from Total Body Irradiation in Mice;
四种云南高原天然药物对辐射损伤小鼠防护作用的研究
13.
The Interactional Study of Soot Formation with Flame Radiation and NO_X Emission in Natural Gas Diffusion Combustion;
天然气扩散燃烧炭黑生成及与火焰辐射和NO_X排放相互作用研究
14.
The Study to the Radioprotective Effects of the Extract of Two YUNNAN Natural Medicine on Mice from Radiation Injury
两种云南天然药物提取物对小鼠辐射防护作用研究
15.
Synthesis of Natural Macromolecule Graft Copolymer under Microwave Radiation and Its Application
微波辐射下天然高分子接枝共聚物的合成与应用
16.
Discussions on the Calculation Methods of the Thermal Radiation Distance of the Flare Stack in Long Distance Natural Gas Pipelines
长输天然气管道放空火炬热辐射距离计算方法探讨
17.
Research on Radiation Vulcanization of Natural Rubber Latex with EB and Reduction of Water Extractable Proteins in Natural Latex;
电子束辐照实现天然橡胶乳液辐射硫化和降低乳液中水溶性蛋白质的实验研究
18.
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。