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- Its main mineable coal seam belongs to very thick coal seam.The coal seam texture and coal rank configuration are generally very complex. 主采煤层属巨厚煤层,其煤层结构和煤种结构一般都很复杂,按不同煤种进行分层开采,有利于煤炭资源合理利用。
- main mineable coal seam 主采煤层
- Analysis of Anomalous High Concentration of Lead and Selenium and Their origin in the Main Minable Coal Seam in the Junger Coalfield 准格尔矿区主采煤层中铅和硒的异常高值与成因研究
- Coal petrography of main minable coal beds in Shendong mining area and coal pyrogenation in Shenmu are researched in detail, the hydrocarbon potential of different coal components is discussed. 摘要通过系统研究神东矿区主要可采煤层的煤岩特征，以及神木煤的热解试验结果，探讨了不同煤岩组成的生烃性能。
- mineable coal seam 可采煤层
- However,recent explorations have shown that the Zhiluo Formation also has some minable coal seams in a certain area. 二道岭矿区侏罗系的成因属鄂尔多斯中生代盆地西缘的陆相碎屑沉积,岩石地层自下而上为富县组、延安组、直罗组和安定组。
- The No.10 coalbed is one of three main mineable coalbed of Taoyuan mine. 10煤是桃园煤矿三大主采煤层之一。
- In the mineable C3 coal seam at Dazhuba coalfield,macroscopic type mainly consist of semi-bright fine coal,secondarily semi-dull and semi-bright lump coal. 大竹坝井田全区可采煤层C3,宏观煤岩类型主要为半亮型粉煤,其次为半暗型、半亮型块煤。煤种为中灰中高硫特低磷高热值贫煤。
- CHARACTERISTICS OF COAL FACIES AND WASHABILITY OF THE MAIN MINABLE COAL SEAMIN WUDA COAL MINING AREA 乌达矿区主采煤层煤相特征与煤的可选性
- The main coal seam of Taiping colliery is 11~# coal seam with a thickness of 1.5 m. 太平煤矿主采11%23煤层;煤厚1.;5 m
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- The main key stratum that is made up of the hard stratum covering over the coal seam has a great influence on rock burst. 摘要煤层上覆坚硬厚层岩层组成的主关键层对冲击矿压的发生具有强烈的影响。
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- The main target coal seam of Xieqiao Mine is directly covered with the Quaternary bottom gravels, whose impermeability affects the reasonable retainment of waterproof pillar. 第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上,其隔水性能影响到防水煤柱的合理留设。
- At the same time it analyzes systematically the characteristics of coal petrology and coal quality of mineable or partly mineable coal bedding in Taiyuan Formation. 同时对太原组各可采或局部可采煤层的特征及煤岩煤质特征进行了系统的分析。
- The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated. 计算了沁水盆地3号煤层的高斯曲率。
- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
- The outburst-proneness of 6# coal seam are studied with five indexes. 采用5种指标对该矿6%23煤层冲击倾向性进行了实验研究。
- Coal seams intermixed with iron ore . 煤层和铁矿混杂在一起。
- The occurrence of rock burst not only need a great deal of elastic energy gathering in the coal seam and the around rock stratum, but also the external energy released by the main key stratum break. 冲击矿压的发生需要煤层及其周围岩层中聚集大量的弹性能外，还需要主关键层破裂等释放的外部能量；
