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- The mining craft of longwall mining method has many characteristics.The roof slice longwall method increases the work of laying false roof for next slice. 长壁采煤法的采煤工艺具有多重特点:顶分层采煤增加了要为下分层填设假顶的工作。
- Discussion on underground longwall mining method for extraction of Indian shallow thick coal seams under hard roof rocks 印度浅埋坚硬顶板厚煤层开采方法探讨
- longwall mining method 长壁式开采法
- inclined longwall mining method 倾斜长壁采煤法
- The longwall coal mining method along a direction,coal-mining technology,longwall coal mining method along the dip,and caving coal technology are discussed. 对单一走向长壁采煤法、采煤工艺、倾斜长壁采煤法以及放顶煤采煤技术进行了论述;
- Its successful selection and application are the prerequisite for successful longwall mining . 正确、合理地选择液压支架架型是长壁工作面采煤成功的前提和关键。
- ABSTRACT :Modern longwall mining employs hydraulic powered supports at the face area. 摘要:液压支架广泛应用于现代长壁采煤工作面上。
- Introduced the prevention methods and practice experience for the sixth pit in Xingshang Coal Mine adopted longwall inclined slicing experence mining method. 介绍了兴山矿六井采用倾斜分层走向长壁采煤法开采特厚煤层,防治自然发火的经验。
- This technology, being an important supplement for longwall mining technology, is called modern shortwall mechanical looping mining technology. 这种技术被视为现代短壁机械化采煤技术,是长壁采煤技术的重要补充。
- New Mining techniques and equipments are utilized to raise the production and efficiency with longwall mining in thick seam. 为了提高中厚煤层长壁综采的高产高效,采用了新的开采技术工艺和设备,达到了预想的目的。
- Analyses the factor that effect on the percentage of recovery in longwall mining with caving coal face,approaches the access to raise the percentage of recovery. 分析了影响综采放顶煤回收率的因素,探讨了提高回采率的途径。
- Discussion on the Mining Method of Jilongshan Mineral Industry Co., Ltd. 鸡笼山矿业有限公司采矿方法探讨。
- A new process mining method was presented based on Markov transition matrix. 提出了一种基于马尔可夫转移矩阵的过程挖掘方法。
- Parker Formation coal mine blast mining method adopted, with 450 employees. 柏家沟煤矿采取爆破采煤法,拥有职工450人。
- Borehole hydromining is a kind of safe and efficient new mining method . 钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。
- Using the laboratorial Stacked-block modeling technique, this paper aims at investigating the conditions that arc liable to incur disequilibrium and instability of broken layers of overlying strata in longwall mining ares. 本文主要在实验室,用砌块模型的方法对采场上覆坚硬岩层已破断岩块的平衡及失稳条件进行了研究。
- QIAN Ming-gao, MIAO Xie-xing.Theoretical analysis on the structural form and stability of overlying strata in longwall mining[J].Chinese Journal of Rock Mechanics and Engineering, 1995, 14(2): 97-106. [5]钱鸣高; 缪协兴.;采场上覆岩层结构的形态与受力分析[J]
- We have raised the coal output by using better mining methods. 我们利用更好的采煤法增加了煤炭产量。
- A treelike model of data produced by certain data mining methods. 由某些数据挖掘方法生成的数据的树状模型。
- The adaption of mining method is the similarity between the mining conditions of designed mine and adaption capacity. 而采矿方法的适应性实质上是指其适应范围与设计矿山开采条件的近似程度。