| 1. | The reason of lower coal reservoir pressure in lu an coal mining area
潞安矿区煤储层压力低的原因分析 |
| 2. | Forming differences between high and low coal rank coalbed methane reservoirs
我国高低煤阶煤层气成藏的差异性 |
| 3. | Hydrogeological condition for coal mining of lower coal seam group in nantun coal mine
南屯煤矿下组煤开采水文地质条件 |
| 4. | Analysis on water isolation layer conditions of taiayuan group lower coal seam mining of hebi coal mine
鹤壁矿区开采太原群下组煤的隔水层条件分析 |
| 5. | To close mines , low coal production , adjust the structure and promote the continuous development of coal industry
关井压产调整结构促进煤炭工业持续健康发展 |
| 6. | Assesment of hydrogeological conditions and prediction of water gush for mining the lowest coal seam in xingtai coal mine
台煤矿下组煤开采水文地质条件评价及突水危险性预测 |
| 7. | Analysis on the principle of making complete sets of equipment on the working faces of the coal planer and its practicability in the low coal seams
刨煤机工作面设备配套原则及在薄煤层的实用性浅析 |
| 8. | According to simulated results , we can get the range of side pressure relief at the mining face , at the upper coal or the lower coal under the peculiar condition
根据模拟结果得出：特定开采条件下，上部或下部不同煤层采煤工作面侧向却压区范围。 |
| 9. | The problem of incomplete combustion in boilers has been solved by using the methods of coal wetting and installation of different - coal layer - burning device , with a result of lower coal consumption and higher thermal efficiency
采用燃煤布湿和安装分层燃烧装置，较好地解决了锅炉燃烧不完全的问题，降低了煤耗，提高了锅炉的热效率。 |
| 10. | Because the upper rocks are influenced after the mining lower coal , they glide along the primary bursting surface , and the upper rock layers can form surface - contact fabric by its shear and bulge function
作者认为，下煤层开采后上覆顶板岩层受到二次扰动，其破坏移动主要是沿原有破裂面滑移，由于剪胀的作用，上覆岩层能够形成面接触的覆岩基本结构特征。 |
