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瓦斯综合治理
comprehensive gas control
Comprehensive Gas Control Techniques and Practice of Extra－ thick Seams with Low Gas Permeability in Luling Coal Mine 芦岭煤矿特厚低透气性煤层瓦斯综合治理技术与实践 短句来源 Probing into Comprehensive Gas Control Technique in High Gassy Working Face 高瓦斯工作面瓦斯综合治理技术探讨 短句来源 Comprehensive Gas Control Technology for High-gassy Blasting Face in Xinzhuangzi Coal Mine 新庄孜矿高瓦斯高产炮采工作面瓦斯综合治理技术 短句来源 Comments on comprehensive gas control technology for high gassy mine 浅析高瓦斯矿井的瓦斯综合治理技术 短句来源 Comprehensive gas control for high gassy fully mechanized top coal caving mining face 高瓦斯综采放顶煤回采工作面瓦斯综合治理 短句来源 更多 comprehensive control of gas
Comprehensive control of gas at high gas coal face 高瓦斯采煤工作面的瓦斯综合治理 短句来源 Conclusion is made that gas drainage is an effective way of comprehensive control of gas at fullymechanized caving mining working faces in threesoft thick seam with high content of methane by comparisons of gas control methods between two fullymechanized caving mining working faces 13011 an 21051 with similar mining conditions. 通过对超化煤矿13011和21051两个开采条件相似的综放面瓦斯治理情况比较分析,得出瓦斯抽放是“三软”特厚煤层高沼综放工作面瓦斯综合治理的有效途径。 短句来源 Trial discussicn on technology for comprehensive control of gas in high concentration gas in drift face 高瓦斯掘进工作面瓦斯综合治理技术探讨 短句来源 Comprehensive Control of Gas at Fully-mechanized Caving Mining Working Face in Three-soft Thick Seam With High Content of Methane “三软”特厚煤层高沼综放面瓦斯综合治理 短句来源 gas comprehensive management
Gas Comprehensive Management Technique in High Gas Fully Mechanized Mining Face 高瓦斯综放面瓦斯综合治理技术 短句来源 Gas Comprehensive Management Technology in Outburst Danger Coal Seam as Protective Coal Seam 高突煤层保护层瓦斯综合治理技术 短句来源 Gas comprehensive Management at Fully Mechanized Caving Coal Face in High Gas and Breeding Fire Seam 高瓦斯自燃煤层综放工作面瓦斯综合治理 短句来源 comprehensive mine gas prevention and control
Research on comprehensive mine gas prevention and control technology system in mine with complicated geological conditions 复杂地质条件矿区瓦斯综合治理技术体系研究 短句来源 
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The late Permain longtan coal-bearing series in Nantong distrit, Sichuan Province, is composed of calcareous and tuffaceous lulite, micritic linestone, siliceous limestone, argillaceous shale, and aluminiferous shale.The coal-bearing series is 88.47m in thickness. Two main minable seams named coalbeds No. 4 and 6, are 3.18m and 1.63m in thickness, respectively. The coal-bearing formation consists of several small cycles which might represent frequent alternation of transgressive and regressive sedimentation... 四川南桐地区二叠系龙潭组煤系由一套含钙质、凝灰质的细屑岩、泥晶灰岩、硅质灰岩、泥质灰岩、钙质页岩及铝土质页岩组成。通过对该岩系的沉积岩石学、沉积相、近煤层和远离煤层的岩石微细孔隙、裂隙研究结果表明,此含煤岩系有一定的孔容含量,对瓦斯储集、运移比较有利,进而为煤层中瓦斯综合治理提供沉积背景资料和科学依据。 文摘来源 The methane emission regularity and fealure of fully mechanized face with roofcaving coal are analysed,and the practice of the methane synthetical control measures of fully mechanized face and it's effect analysis are introduced. 分析了综采放顶煤工作面瓦斯涌出的规律和特征，介绍综放面瓦斯综合治理措施的实践与效果分析。 文摘来源 On the basis of on-the-spot investigation and theoretical analysis,the paper discussed the basic techniques for comprehensive gas control in Huainan Coal Mining Area,made a research on spot applicable conditions and technical parameters of gas control techniques such as gas drainage from holes along roof strike,roadways arranged in roof and special roadways,and ananlyzed the application effectiveness and existing problems of local and regional gas control techniques in this coal mining area。 通过现场考察和理论分析 ,阐述了淮南矿区瓦斯综合治理的基本方法 ,研究了顶板走向钻孔、高抽巷、专用巷道等瓦斯治理技术的现场使用条件及技术参数 ,分析了局部及区域性瓦斯治理技术在淮南矿区的应用效果和存在的问题。 文摘来源 << 更多相关文摘 
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