| 1. | Discussion of gas gathering process in preparative coal body to be mined in coal face 工作面预采煤体中瓦斯积聚过程探讨 |
| 2. | Application of coal body solidification in exposing outburst seams in a crosscut 煤体固化技术在石门揭开突出危险煤层中的应用 |
| 3. | Application of coal body structure research in the forecast practice of coal and gas outburst 煤体结构研究在煤与瓦斯突出预测实践中的应用 |
| 4. | Structural features of coal body in seam no . 8 and regional prognosis of coal and gas outburst in panji mine no 大宁煤矿突出预测敏感指标及临界值的探索 |
| 5. | Reflective wave technology for detecting geological structure in rock or coal body in mine and its application 井巷煤岩体内构造特征反射波探测技术与应用 |
| 6. | According to the model and the sdution , the stresses of coal body are simulated to be influenced by temperature 在此基础上,对不同温度下煤岩体应力和瓦斯压力的分布规律进行了数值模拟。 |
| 7. | Application of deep - hole pre - splitting blast and coal body reinforcement technique by metal skeleton and grouting in a face by crosscut for exposing coal seam 深孔控制预裂爆破与金属骨架注浆加固煤体技术在石门揭煤工作面的应用 |
| 8. | Based on the cutting experiments used by cutter tooth and point - attack pick on the press and cutting simulation test table , the deformation and failure process of coal body are studied by the method of white light digital speckle correlation 摘要采用白光数字散斑相关测定方法,在压力机上,在截割模拟实验台上分别对煤试件进行刀齿、镐齿的截割实验,研究被截割煤体的变形破坏过程。 |
| 9. | Using the electromagnetic radiation technology , this paper tests accurately the distribution of the stress areas in the front of the tunnelling face and on the both sides of the tunnel , confirms and estimates the reasonable hole sealing deepness of the gas pre - drawing in coal body 利用电磁辐射技术,准确测试了采掘工作面前方和巷道两帮侧的应力区分布,确定和评价了煤体瓦斯预抽的合理封孔深度。 |
| 10. | By means of stress - strain feature of upper and lower strata of fold neutral plane in the course of longitudinal fold formation , the differences between the upper coal bed and lower coal bed of fold neutral plane are analyzed from the coal thickness , coal structure , coal body structure , coalbed gas occurrence and diversities etc . , revealing the cause of these appearances 摘要利用纵弯褶皱变形中中和面上下岩层的不同应力与应变特点,分析了处于褶皱中和面上下各煤层在背斜与向斜部位煤层厚度、煤层构造、煤体结构及煤层瓦斯的赋存规律与差异性,揭示了这些现象产生的原因。 |