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n.
- 1. 核素
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- half-time of radioactive nuclide

放射性核素半衰期 - A nuclide that exhibits radioactivity.

放射性核素表现出放射性的核素 - The air absorption dosage rate of the terrestrial γradiation in various place remains at the local natural radiation background level. The radioactive nuclide in the environmental media remains within the increase and decrease ranges of the natural background level.

各地的陆地γ辐射空气吸收剂量率仍为当地天然辐射本底水平,环境介质中的放射性核素含量保持在天然本底涨落范围内。 - In the areas surrounding the radiation sources, the air absorption dosage rate of the ambientγradiation, the specific activity of the totalβradioactive of the aerosol or the settling matter, and the radioactive nuclide concentration of the water and animals (plants) samples are all within the increase and decrease ranges of the natural background levels.

在辐射源周围地区,环境γ辐射空气吸收剂量率、气溶胶或沉降物总β放射性比活度、水和动(植)物样品的放射性核素浓度均在天然本底涨落范围内。
网络释义
以下结果来自互联网
- 1. 核素
- 2. 核种
- 3. 且其所含核種
- 4. 質點
