| 1. | The theory of floor heave in soft rock roadway
常村煤矿软岩支护浅析 |
| 2. | Discussion on utilizing way of gangue as resource in changcun coal mine
常村煤矿煤矸石资源化利用途径 |
| 3. | Sedimentary environment and coal - forming of yima formation in changcun mine field
常村井田义马组沉积环境与聚煤作用 |
| 4. | Practices on fully mechanized longwall sub - level caving under complicated conditions in changcun coal mine
常村煤矿复杂条件下综放开采实践 |
| 5. | Discussion on layout of top coal gateway for fully mechanized longwall top coal caving mining face
常村矿超长孤岛综放面矿压观测及显现特征 |
| 6. | Mine pressure behavior of rery lons fully mechanized top coal caving working face of no . 21072 in changcun coal mine
常村矿21072超长孤岛综放面矿压显现特征 |
| 7. | Prevention and handling of spontaneous combustion accident in 21092 fully - mechanized caving face in changcun mine
常村矿21092综放面自然发火事故的预防和处理 |
| 8. | Feasibility and necessity of the coal blowing technology to be adopted for the operating blast furnace at changcun mine
常村矿生产高炉喷吹煤的可行性及必要性 |
| 9. | After analyzing the questions of technics , equipment and product configuration to raw slime water in changcun coal cleaning plant , dissertate the confirm gist of rebuild project and the effect after actualizing the project in technology and economy
摘要在详细分析了常村矿选煤厂原煤泥水系统在工艺、设备和产品结构存在的问题后，重点论述了改造方案的确定依据和改造方案实施后在技术、经济方面取得效果。 |
| 10. | In view of safety the elementary and industrial analyses of coal samples were conducted , a systematic experiment was performed to investigate the minimum ignition temperature ( mit ) of zhangcun and changcun meager - lean coal in a g - g furnace , and the effect of dust concentration , spray - air pressure and dust particle size on the mit was analyzed
摘要从工业安全角度出发，对实验煤样进行了元素分析和工业分析，在高德伯儿格格瑞瓦尔德炉中对潞安常村、漳村贫瘦煤的最低着火温度进行了比较全面、系统的实验研究，探讨了煤粉质量浓度、喷吹压力以及粒度对最低着火点的影响。 |
