Coal-mine gas的意思|示意

Because gas drainage is strong in 3308 workface of Chengzhuang coal mine, stop production often takes place for above-the-common.

成庄煤矿3308综放面由于瓦斯排放量大，多次造成因瓦斯超限停产。

Fuzzy comprehensive evaluation method was applied to build a fuzzy mathematic model to analyze mine coal and gas outburst hazard.

采用模糊综合评价方法建立模糊数学模型，对矿井煤与瓦斯突出危险性进行分析。

At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province.

目前国内外煤层气地面开采技术、井下瓦斯抽放技术均已成熟，四川煤层气开发利用是可行的。

The prediction of coal and gas outburst in Jinzhushan Mine was conducted with the use of BP network model in neural network.

应用神经网络中的BP网络模型对金竹山矿区煤与瓦斯突出进行了预测。

The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.

通过分析近距离保护层开采、水力掏槽法及边抽边掘技术防治煤与瓦斯突出原理及实践应用，从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。

Stray current in coal mine underground is an important factor caused gas and coal dust explosion, which seriously threatened safety production in mines.

煤矿井下杂散电流是引起瓦斯、煤尘爆炸的一个重要起因，严重威胁到煤矿的安全生产。