| 1. | Innovative features of the design of qidong mine 祁东矿井设计改革与创新 |
| 2. | Application of computer and local network in qidong coal mine 计算机及局域网在祁东煤矿的应用 |
| 3. | Analysis on qidong ground temperature charaters and geol ogy factors 祁东井田地温特征及地质因素分析 |
| 4. | The construction in special thick clay layer in qidong coal mine auxiliary shaft 祁东矿副井井简过特厚粘土层施工 |
| 5. | Mine shaft sinking technology with ground freezing method for east ventilation shaft of qidong mine 祁东煤矿东风井冻结法凿井施工技术 |
| 6. | The distribution and drug resistance of shizella in 120 patients in qidong county of hunan province 湖南祁东县120例志贺菌分布及耐药分析 |
| 7. | Application of bolt and grouting support technology to repair of soft rock roadway in qidong mine 锚注支护技术在祁东煤矿软岩巷道修复中的应用 |
| 8. | On the basis of analyzing the geology conditions of qidong well field , using the rfpa2d analysis system , we have carried on the finite element analysis to the adjustment process of stress field and the damage evolution of the coal bed roof which was caused by coal bed mining 摘要在分析祁东井田地质条件基础上,利用rfpa2d分析系统对不同地应力条件下,由于煤层开采引起煤层顶板覆岩发生的损伤演化和应力场调整的过程进行了有限元分析。 |
| 9. | Based on its special geological and mining conditions of qidong colliery , the cause of water bursting of loose aquifer in the 4th lineage in 7 ( subscript 1 ) 14 full - mechanized mining face of the first mining area was analyzed and technology method of preventing the 4th loose aquifer was discussed according to the occurrence characteristics of loose aquifer and damage characteristics of overburden rock in 7 ( subscript 1 ) coal seam 摘要根据祁东煤矿特殊的地质采矿条件,结合松散含水层赋存特征及7 (下标1 )煤层覆岩破坏特点,分析了一采区7 (下标1 ) 14综采工作面第四系松散含水层出水的原因,探讨了防治四含水的技术途径。 |