Objective: to define the weights of 6 main influencing factors, i. e. gas components, aerosol, radioactivity, temperature, humidity and microbial pollution in submarine cabin air quality.
目的：确定气体组分、气溶胶、放射性物质、温度、湿度和微生物6种污染要素在潜艇舱室空气质量评价中所占的权重。
Preventing noise, electromagnetic radiation, and radioactivity pollution ?
防治噪声、电磁辐射、放射性污染。
Solar energy has the obvious advantage that the sun is an inexhaustible and abundant source which is free of both pollution and radioactivity.
由于太阳是没有污染和放射性的无穷无尽的丰富资源，具有明显的优点。
The application and the present situation of radioactive pollution of fly-ash had been introduced. The radioactivity of fly-ash was potential harmful for the human health.
介绍了粉煤灰的应用和放射性污染现状，指出了粉煤灰的放射性对人体健康具有潜在威胁。
The application and the present situation of radioactive pollution of fly-ash had been introduced. The radioactivity of fly-ash was potential harmful for the human health.
介绍了粉煤灰的应用和放射性污染现状，指出了粉煤灰的放射性对人体健康具有潜在威胁。
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