| 1. | Fractal study on blasting energy of top coal
综放顶煤爆破能量的分形研究 |
| 2. | Analysis on top coal caving mining technology of simple supports
简易支架放顶煤开采技术 |
| 3. | Study on mechanism of difficult caving of highly tough top coal
高韧性顶煤难冒性机理研究 |
| 4. | Analysis of longwall top coal caving in thick seams with parting band
含夹矸厚煤层综放开采技术分析 |
| 5. | Ground pressure in light mechanized top coal caving face in the deep area of mine
深部轻放面矿压规律研究 |
| 6. | Top coal caving technology with - type beam used in three soft seam
型梁辅助假顶放顶煤技术在三软煤层的应用 |
| 7. | Probe of reducing top coal loss by using of cutting top coal first fall interval
减少顶煤初垮步距降低煤损的探讨 |
| 8. | The study of top coal deformation and fracture in fully - mechanized top - coal caving face
综放顶煤变形破碎特征研究 |
| 9. | Controlling of top coal of tip - to - face area in fully - mechanized top - coal caving face
综放面端面顶煤控制实践与认识 |
| 10. | Analysis of lateral force and structure stability for supports used in top coal
放顶煤支架侧向力及结构稳定性受力分析 |
