矿井空气地即指进入矿井以后的空气。利用机械或自然通风动力,使地面空气进入井下,并在井巷中作定向和定量地流动,由地面空气进入矿井到最后排出矿井的全过程称为矿井通风。矿井空气中常见有害气体:一氧化碳(CO)、硫化氢(H2S)、二氧化氮(NO2)、二氧化硫(SO2)、氨气(NH3)、氢气(H2)等。
矿井空气品质是矿井通风理论的新思路,是人们认识矿井空气环境的一种科学方法。
The air quality analysis in coal mines is a new idea. it is a new scientific method for understanding the environment in mine.
本文介绍了烟盒式和无芯电池式两种被动式热释光氡累积探测器,可用于室内及矿井空气中氡的监测。
This paper presents two passive thermoluminescence radon accumulating detectors. These detectors are suitable for monitoring air radon concentration indoors, outdoors and in Wells of mines.
昨天早上,搜救人员就已经到达矿井下,但是由于空气质量越来越差,可能会导致新的爆炸,他们不得不出来…
Crews did start down into the mine yesterday morning, but they had to come back out because the air quality got worse and threatened a new blast.
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