Used up open pit areas are filled with limestone siftings.
用过的露天矿场区域充满了石灰滤过物。
Controlled slope wall blasting plays key role in open pit mining.
边坡控制爆破在露天矿山起着至关重要的作用。
The open pit makes 15% of the country's extracted fluxing limestone.
这个露天矿场产出了这个国家15%的提纯稀石灰。
A method of calculating ore quantity in practical open pit mine is given.
提出了一种可用于实际露天矿的矿量计算方法。
A method of buffer blasting used in the open pit is presented in this paper.
本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。
Where oil sands are close to the surface, they are extracted in large open pit mines.
那里的油砂离地表很近，可以从巨大的露天矿井里直接抽出来。
It is shown that the big inclination conveying has good application prospect in large open pit mines.
应用表明，大倾角运输在大型露天矿具有良好的应用前景。
Giant excavators, rock handlers, conveyors, explosions and a lot more enjoyment in a limestone open pit.
在这个石灰岩露天矿场有巨型挖掘机、采石工人、传送带、爆破以及很多其他有意思的东西。
The application of this method in Shuichang open pit shows that this method is scientific and practical.
该爆破性分区已在首钢水厂铁矿应用。实践证明，分区方法科学、实用。
The feasibility and necessity of using in-situ leaching after explosion in Huangfengling open pit was explored.
本文就黄峰岭露天矿改用原地爆破浸出的可行性和必要性进行探讨。
This paper presents the experimental study for the physical-mechanicalchemical behaviour of the mud stone for one open pit coal mine.
本文对某大型露天煤矿一坑道泥岩的物理力学和物理化学特性的试验研究进行了全面的介绍。
According to the characteristics of soot pollution in open pit mine, an integration evaluation system composed of GIS and ES is developed.
针对露天采矿烟尘污染的特点，提出了地理信息系统与专家系统相集成的综合评价系统。
The presented article employs numerical simulation to analyze the stability of the open pit slope when mining in the open pit slope and mine.
在先露天后井工的开采条件下，研究了井工开采对露天边坡稳定性的影响过程。
These are of certain reference value and practical significance on the open mining and the stability evaluation of the slopes of the open pit.
这些对露天开采及露天矿边坡的稳定性评价具有一定的参考价值及实际意义。
The evaluation of some open pit slopes' explains the content and application progress of this method, and delineates its essence and advantage.
通过几个露天矿采场边坡的动态应力比评价，说明了该方法的内容与应用过程，揭示了其本质与优点。
Mining operations at the existing open pit are due to cease by theend of 2012, although ERA is processing a proposal to develop the undergroundRanger 3 Deeps exploration area.
尽管ERA正在处理一份开发Ranger3Deeps地下勘探区的提议，但现有露天矿的开采作业将于2012年底到期。
The open pit areas are surrounded by an array of sculpted tailings ponds and mine dump areas; these receive mine waste rock for storage and later leaching for further recovery of metals.
露天矿坑周围是一些开挖尾料的堆弃池和废矿垃圾场。储存在这些地方的废弃矿石，稍后经过过滤可以深入提取其中的金属。
The Panian coalfield is being mined using open-pit methods.
潘尼杨煤矿一直使用露天开采法进行开采。
Upstream is the poisonous Berkeley pit, an open-pit mine in Butte, which was once called the Richest Hill on Earth for the quantities of gold, silver and copper mined there.
上游是有毒的伯克利矿坑，一个比尤特的露天矿。它曾经被称为地球上最富有的矿山，因为这里的金、银和铜矿数量巨大。
Minerals in open-pit mines are excavated by the ton with heavy equipment, but underground they are often extracted painstakingly with pickaxes.
露天矿场里面的矿物可以用重型机械成吨地开采，但是地下矿井里面得用镐费力地挖出来。
The most common approach to extracting metal-bearing ore from a porphyry copper deposit is by open-pit mining, although such mines also typically include some underground activities.
从斑岩含铜矿床开采含金属的矿石，最主要的方式是露天开采，尽管这种矿床常会伴随一些地下的地质活动。
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。
Remains of Titanoboa cerrejonensis were found in a layer of rock at the cerrejon Coal mine, one of the largest open-pit mines in the world.
Titanoboacerrejonensis(蛇的名字)的遗骸是在cerrejon煤矿- - -世界上最大的露天煤矿之一的岩层中被发现的。
This astronaut photograph illustrates three open-pit mines located west-northwest of the town of Green Valley, Arizona.
这张太空照片为我们展示了位于亚利桑那州绿谷镇（GreenValley，位置见文末图）西部及西北部的三个露天矿。
This astronaut photograph illustrates three open-pit mines located west-northwest of the town of Green Valley, Arizona.
这张太空照片为我们展示了位于亚利桑那州绿谷镇（GreenValley，位置见文末图）西部及西北部的三个露天矿。
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