Radioactive cesium has also been detected, but at lower activity concentrations.
此外还发现了放射性铯，但放射性浓度较低。
Residential houses are important places of human activity, and radioactive pollution of housing environment has been attracting more and more attention.
居室是人类活动的重要场所，居室环境的放射性危害越来越受到关注。
The technique of the dissemination of the measurement of activity of radioactive gas has been researched. The specification and performance of the whole set of apparatus meet the require…
整套装置技术指标满足有关标准、规范和规程要求，可作为工作标准对我院放射性进行常规测量、检定。
This kind of nucleon weighing apparatus has complete functions, low activity of radioactive source, strong environmental adaptability and steady performance.
这种核子秤具有功能全、放射源活度小、价格低、环境温度适应性强、性能稳定等优点。
This kind of nucleon weighing apparatus has complete functions, low activity of radioactive source, strong environmental adaptability and steady performance.
这种核子秤具有功能全、放射源活度小、价格低、环境温度适应性强、性能稳定等优点。
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