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- Study on Improved Arithmetic to Calculate the Quantity of Ore and Spoil Based on Mining Limit Grids in Surface Mining 露天矿矿岩量网格化计算算法的改进研究
- surface mining limits 露天开采境界
- 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。
- 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。
- 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。
- At present technique of TV imaging detect, technique of electricity reconnoiter and technique of electric wave reconnoiter are abroadly adopted in determining mining limit. 采用电视成像探测技术、电法勘探技术、电波坑透勘探技术等现场观测手段确定煤层开采上限。
- 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。
- 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。
- DUAN Tie-guan,MENG Jing-feng.Geology calamity fathering project of northern slope in Yima Surface Mine[J].Opencast Mining Technology,2006 (3):18-19. [3]段铁管;孟景风.;义马北露天矿北帮地质灾害治理方案[J]
- Applying this test to the Surface Mining Act, the Court found a rational basis for the congressional determination that surface mining affects interstate commerce. 法院把这一检验运用在《露天采矿法》中，发现了国会的确具有一定的合理依据，露天采矿影响州际的商业。
- However, according to informed sources, the base of the surface mining is a separate楚健Kin-controlled enterprise, but it is behind the Jiangyin Changjiang Investment Group Co. 但据知情人士透露，中基矿业表面上看起来是一家由楚健健单独控制的企业，但背后却是江阴长江投资集团有限公司。
- An optimum scheme of transfer station for inclined surface mining deposit of combined haulage system in different mining period is given by using dunamin programming. 提出了倾斜矿床露天开采联合运输时用动态规划法选择露天矿各开采时期转载站设置的最佳方案。
- When steep slope-wall is used in surface mine, the road of truck-communication inner dumping can be set in the middle of pit by backfill. 当露天煤矿端帮实行陡帮开采时，汽车运输内排通路可设在采场中部回填搭建。
- After underground mining was transferred into surface mining in Yinshan Mine, some unbackfilled mined-out spaces imperiled the safety of surface mining. 银山矿从坑采转露采后,遗留下未及时充填处理的多个采空区,给露天开采带来安全威胁。
- Practice and breakthrough of improving mining limit 提高开采上限的实践与突破
- 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。
- In order to appraise the west-slope stability at the Huidong Surface Mine, a considerable number of rock mechanics experiments both in laboratory and situ have been taken. 为了评价露天西边坡的稳定性,进行了大量的室内与现场岩石力学试验,主要有岩体和岩体结构面的抗剪强度、岩体弹性模数、岩体应力与应变等试验。
- When minerals are extracted from land surface mines, grasses and trees must be removed, causing erosion of the bare earth. 从地表露天矿开采矿物时,必须割伐草木,从而导致植被破坏和土壤流失。
