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本文根据空气对流扩散理论，建立了井下某一积聚瓦斯源在井巷风流中的一维弥散方程，用其解析解分析煤矿采用非正当排放聚集瓦斯时造成事故的机理。
Based on the air convection and diffusion theory, a one-dimensional dispersion equation of a gas accumulating gas source in a mine well is established. The analytical solution is used to analyze the mechanism of an accident caused by improper emission of gas in coal mines.