Greenhouse gas emissions of tar sands crude are 40% higher than conventional oil, and the open-pit mining has devastated Alberta's boreal forest.
焦油砂的温室气体排放量比普通石油高40%,露天采矿已经极大地破坏了阿尔伯塔的北方气候带森林。
Mining transport system is one of the most important production links in open-pit mining process.
矿山运输系统是露天矿开采工艺中非常重要的生产环节。
The open-pit mining has more advantages than underground mining, but its disadvantages is also very obvious, that is, a lot of rocks are also peeled in minerals exploitation.
露天开采比地下开采有很多的优越性,但缺点也是非常明显的,那就是在开采矿石的同时,还要剥离大量的巖石。
Research on the safety and stability of slope in open-pit mining is very significant to safety production of open mines.
研究露天开采边坡的安全稳定对露天矿山的安全生产具有重要意义。
Through the ecology repair measure, it may slow down the open-pit mining effectively to the ecological environment influence availably.
在采取生态修复措施后,可以有效减缓露天采矿对生态环境的影响。
The technology is very useful for exploiting gentle-inclined thin bauxite body as well as for open-pit mining of iron ore.
该工艺对于缓倾斜薄矿体铝土矿、铁矿露天开采具有重要意义。
Research on the safety and stability of slope in open-pit mining is very significant to safety production of open mines.
露天开采地下矿室的矿山,坑底隔离层安全厚度的确定,目前还没有统一规范的计算方法。
The influence of underground water on side slope stability of open-pit mining stope was probed. The existent problems at present were explained.
探讨了地下水对露天采场边坡稳定性的影响,并对目前存在的问题作了必要的说明。
Open-pit limit optimization is an important content in open-pit mining design and production process control.
露天境界优化是露天矿开采设计和生产过程控制的重要内容。
Relative to the waste rock dump of underground mining, open-pit mining needs a larger one.
相对于地下开采的废石场,露天开采的排土场占地面积要大得多。
Traditional open-pit mining boundary features fixed slope with benches and planar bottom.
传统的露天矿开采境界为固定帮有台阶、露天底平面型。
Polluted environment, broken ecology, reduced economic effect, they are the main challenges that open-pit mining faces now.
环境被污染,生态遭破坏,经济效益下降,这些是当前露天开采面临的主要挑战。