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- surface mining methods 地面采矿法分类
- How is surface mining carried out? 露天开采是怎样进行的?
- The reasons of surface mining damage were analyzed. 摘要分析采矿活动对地表损坏的原因。
- surface mining method 露天采矿法
- 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。
- This paper mainly studies the truck-dispatching decision method in a condition to allocatethe trucks to fixed shovel in truck transPOrt surface mine. 主要对卡车运输露天矿定铲配车条件下的卡车调度决策方法进行了探讨。
- A computer-aided cartography system for surface mine survey is proposed. 介绍了一个适用于露天矿测量的计算机辅助绘图系统。
- 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。
- Based on the original principle of the design and operational stripping ratio control method of surface mining,considering market-economy,a new control way and principle have been put forward. 在露天矿设计与生产剥采比控制的现有理论基础上,运用现代控制理论提出了一种适合市场经济要求的新的剥采比控制原则与方法。
- The selection of dragline is a key problem to be handled when applying dragline for open cast in surface mining. 露天矿应用拉斗铲倒堆工艺的关键问题首先要做好拉斗铲的选型。
- The machine pictured above is a bucket-wheel excavator used in modern surface mining. 上面影像中的机器就是被用于现代露天采矿的一辆勺轮开凿机。
- The environmental effect of surface mining on the groundwater was studied by leaching experiment and model forecast. 通过淋溶实验和模型预测对露天开采对地下水的影响进行了研究。
- According to Pai mining methods can be divided into the two types of lattice-type and overflow. 根据排矿方式,可分格子型和溢流型俩种。
- 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。
- Surface mining is the process of excavating mineral deposits directly from the surface of the ground without costly shafts or tunnels into the earth. 露天采矿就是不用在地下挖掘费用高昂的井巷而直接从地表采矿的方法。
- This paper investigates some data mining methods for bioinformatics and their application. 本文探讨若干生物信息数据挖掘的方法及其应用,主要工作如下: