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。
In some harmful environment of chemical pollution, over radioactivity and deep-water test, assembly operations were always needed, this is harmful to human health.
在一些化学污染、超计量放射性、深水试验等有害环境中往往需要装配操作，这对人体会造成很大的伤害。
South Asia, seismic tsunami caused by the radioactivity pollution of Japan, the horror of that self inspire book is popular.
南亚地震海啸，由此引发的放射能污染的恐怖经历的日本，自我启发书很受欢迎。
The zirconite is one of mineral resources associated with radioactivity. The exploitation and USES of zirconite would lead to pollution to the environment.
锆英砂是一种伴生矿资源，锆英砂的开发利用会对环境产生放射性污染。
As compared with the granite stone material, basalt can be safely used on human life living places without radioactivity pollution.
与花岗岩等石材相比，玄武岩石材的低放射性，使之可以安全用于人类生活居住场所，而无放射性污染之虞。
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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