| 1. | In situ measurement of floor strata displacements in slice mining 分层开采底板岩层移动的现场观测研究 |
| 2. | Simulation on overlying strata ' s motion rule in shallow seam slice mining 浅埋厚煤层分层开采覆岩移动规律模拟研究 |
| 3. | Prediction and treatment of spontaneous combustion during slicing mining of thick seam 厚煤层分层开采自然发火的预测预报及处理 |
| 4. | Study on the directly transiting technology from the under slice mining face to the upper one 下分层直接过渡到上分层开采工艺研究 |
| 5. | Inquiring into gas emission law from top slice during slice mining of an extra - thick coal seam 特厚煤层分层开采顶分层瓦斯涌出规律探讨 |
| 6. | Spontaneous combustion prevention of goaf abandoned coal from coal winning under the condition of thick coal seam slicing mining 厚煤层分层开采下分层工作面回采期间采空区遗煤自燃的防治 |