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- Quick-return Technology on High Productivity and High Efficiency Comprehensive Caving Face 高产高效综放工作面快速回撤技术
- Application of air pressure adjust technology in gas provention in air return comer in along goaf comprehensive caving face 风压调节技术在沿空综放面回风隅角瓦斯治理中的应用
- The analysis on site actual survey of side bearing pressure distribution regulation in 93 up No. 01 comprehensive caving face 93上01综放工作面侧向支承压力分布规律现场实测分析
- Comprehensive Caving Face 综放工作面
- Practices have proved that quick advancing techniqe is applicable in isolated unmined area Comprehensive top coal caving face. 实践证明,孤岛综放工作面快速推进技术是可行的。
- A fast-withdraw technology and relative safety processes of fully mechanized caving face in steeply-inclined coal seam are introduced. 介绍了急倾斜特厚煤层综放工作面回撤工艺及相关安全技术措施。
- This technique has been used successfully in the air-return gate oJ" 1310 fully mechanized roof coal caving face in Zhangcun Coal Mine. 该项研究在漳村1310综放面回风巷的工程实践中得到了成功应用和检验。
- The II3123 face is a light type caving face of three-soft coal seam.the roof is cracked,sloughing and roof fall often occur. 石台煤矿II3123工作面为"三软"煤层轻放工作面,顶板破碎易掉,片帮、冒顶时常发生。
- The adaptability of equipments,especially powered supports in full-mechanized caving face in Wanbei minefield is analyzed from a typical working face accident. 从皖北矿区一次典型工作面事故出发,分析了皖北矿区综采工作面设备尤其是液压支架适应性存在的问题。
- The adaptability of equipments, especially powered supports in full-mechanized caving face in Wanbei minefield is analyzed from a typical working face accident. 摘要从皖北矿区一次典型工作面事故出发,分析了皖北矿区综采工作面设备尤其是液压支架适应性存在的问题。
- In early application of fully mechanized top coal mining,Spontaneous fire took place when the backout of fully mechanized top coal caving face was stopped mining. 在应用综放开采的初期,每当综放工作面停采回撤时,就会发生自燃发火。
- Through the transformation of tailings device of the scraper conveyor behind light caving face,this paper studied tailings mining technology,and achieved good results. 通过对轻放工作面后部刮板输送机进行尾煤装置改造,进行尾煤回收工艺研究,取得良好效果。
- Kang T H, Jin Z M.Laws of Coal-Rock Movement and the Technical Parameters on the Fully Mechanized Sub-Level Caving Face of the Gently Inclined Seam [J]. the Ming Engineer, 1995. 康天合;宋选民.;煤层条件对顶煤可放性的影响研究[J]
- The coal seam of fully mechanized top-coal caving face 1151(3) in Xieqiao coal mine of Huainan mining area is soft and loose,and is of low permeability and poor wetting condition. 基于淮南矿区谢桥煤矿1151(3)综放面,煤层松软、渗透性低、湿润性差的特殊条件,采用煤层注水工艺技术降尘,在注水孔布置方式及参数、注水孔封孔工艺、注水工艺等方面采取一定的技术措施。
- The top coal's recovery ratio in fully-mechanized sublevel caving face controls the stowing degree of the goaf, thereby influences the stability of hard and massive overlying roof. 摘要综放采场顶煤放出率控制着采空区的充填状况,从而影响着大厚度坚硬顶板的稳定性。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- The reporter has made a comprehensive report. 记者已做了全面的报道。
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- According to the field investigation at Dayang coal mine, the paper describes behavior of ground pressure of longwall top coal caving face with soft surrounding rock and movement of overlying strata. 本文通过大雁二矿28%23层采面矿山压力的实测分析,论述了软岩矿井大采放比综放开采矿压显现特征和围岩活动规律。
- Design of roadway bolt support in island comprehensive caving working face based on ground stress measarement 基于地应力测试的孤岛综放工作面巷道锚杆支护设计