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- surface mine blasting 露天矿爆破
- 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。
- 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。
- 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。
- MOSCOW - There was something sadly predictable about the reaction to Russia's latest convulsion of disasters :a plane crash, a mine blast and a nursing home fire. 俄罗斯最近灾难频传,民间会有什麽反应几乎八九不离十,实在令人难过。这些灾难包括一架客机失事、一个煤矿坑爆炸和一间疗养院失火。
- Effect of casting blast on surface mine bench slope 露天矿抛掷爆破对台阶坡面的影响
- 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。
- Wednesday is a day of mourning across Russia for the victims of three disasters that killed at least 175 people -- a plane crash, a nursing home fire and the worst coal mine blast in 10 years. 星期三是俄罗斯全国哀悼日,悼念飞机失事、养老院失火和10年来最严重的矿难这三起灾难性事件中的遇难者.至少有175人在这三起事件中不幸遇难。
- 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。
- Accident prevention for coal mine blasting 煤矿爆破事故的防治
- Effect of Mine Blasting on Nearby Buildings 矿山爆破开采对周围建筑物的影响
- An Inter- national Red Cross vehicle had been hit by mine blasts in the area just a few weeks before. 仅仅几星期以前,一辆国际红十字会的汽车在同一地区遇上地雷爆炸。
- Taking ATB Surface Mine, Pingshuo Coal Company as an example, the feature of pit haulage system was analyzed in the transition period for mining-in-areas at flat-bedded or gently-inclined deposit. 以平朔煤炭工业公司安太堡露天矿为例;分析了开采近水平及缓倾斜矿床露天矿分区开采过渡期间开拓运输系统的特点、可能出现的问题和解决途径;提出了寻求该时期开拓运输系统优化的思路和方法.
- BBC News: Dozens dead in Ukraine mine blast 乌克兰煤矿发生爆炸,数十人死亡
- 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。
- Smaller earthquakes can also be caused by volcanic activity, landslides, mine blasts, and nuclear tests. 较小的地震也会由火山活动、山崩、煤矿瓦斯爆炸和核试验引起。
- 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。