Under the action of abutment pressure in front of fully mechanized coal face with sublevel caving (CFSC), top-coal over ......

The intensity of heat output of coal, the rate of oxygen consumption and the influence function of coal size are tested ......

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The Meihe Basin is an important Paleogene coal-bearing basin located in the Dunhua-Mishan Fault Zone,northeastern China.......

煤层气勘探中存在着煤变质程度差异性大和储层物性变化规律差异大的特点,这些特点直接制约着我国煤层气产业化的进程。利用煤层气......

为应对煤炭市场严峻形势，创建资源节约型矿山，塔山煤矿结合生产实际与地质条件，总结一套适用于石炭二叠系特厚煤层综放工作面提高回采......

通过对淮南矿区谢二矿和新庄孜矿的１０个主采煤层的结构破坏特征研究表明，不同煤层的结构破坏特征相差很大；Ｃ１３、Ｂ１１ｂ、Ｂ９ｂ、Ｂ４煤层的结构破坏严重；Ｂ１０、......