1) mining in highly gassy coal seam
高瓦斯煤层开采
2) gassy seam mining method
瓦斯煤层采煤法
3) high gassy seam
高瓦斯煤层
1.
Gas hydraulic pressing and discharging technology for gateway heading face in high gassy seam;
高瓦斯煤层掘进工作面水力挤排瓦斯技术
2.
There is some basic knowledge to the mechanism of common rockburst, the conventional method and technique of rockburst forecast and prevention formed already, however, the special exposition is few about the mechanism, forecast and prevention of rockburst occurring in high gassy seam so far.
但迄今为止很少见到对高瓦斯煤层冲击地压的发生机理、预测、防治进行系统专门的研究。
4) gas production
瓦斯开采
5) coal seam gas
煤层瓦斯
1.
The actuality of drawing coal seam gas and the suggestions to exploit the gas in Jincheng coal bureau;
煤层瓦斯抽放现状及对晋城矿区瓦斯开发的建议
2.
Borehole sealing mechanism and a new technology for coal seam gas pressure test:a research
钻孔密封机理及新型煤层瓦斯压力测定技术研究
3.
Based on the analyzing of the fold and fracture influences to the coal seam gas occurrence,according to the evolution history of regional geology and tectonic characteristics in Huangling No.
在分析褶皱和断裂构造对煤层瓦斯赋存影响的基础上,根据黄陵一号煤矿的区域地质演化情况和地质构造特征,分析了影响黄陵一号煤矿2号煤层瓦斯分布的主要控制因素,并对井田深部煤层瓦斯的赋存状况进行了预测,对矿井后期的安全生产具有一定的指导作用。
6) coal-bed gas
煤层瓦斯
1.
Analyzed coal-bed gas hosting features in Zhongling mine through coalfield geological exploration data,summarized practice and application of both walls of roadway drainage technique,affirmed this technique as effective outburst eliminating measure during anthracite roadway advancing.
利用煤田地质勘探资料,分析了中岭矿井煤层瓦斯赋存特征,总结了巷旁夹抽技术的实践应用,提出巷旁夹抽技术作为无烟煤掘进中的消突措施,就是利用巷道两帮的卸压条带,在巷道两帮交替布置迈步钻场,向前方施工长钻孔抽采瓦斯,以达到消除突出危险、保证工作面掘进进尺的目的。
2.
This paper introduces the formation and the occurrence modes of the gas in coal body, analyzes the influence of the gas on the physical parameters of the coal, and discusses the factors influencing the coal-bed gas drainage.
介绍了煤体瓦斯的形成及赋存方式,分析了瓦斯对煤物性参数的影响,论述了煤层瓦斯抽放的影响因素。
补充资料：高瓦
1.高屋上的瓦。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条