从这些深矿中取得煤是很昂贵的。
当地的工业依靠在矿地淘宝石或次级宝石而生，有些矿井深达40英尺(12米)。
Local industry relies on the precious and semiprecious stones found in the mines, some of which are more than 40 feet (12 meters) deep.
矿深340米，高950米，长2.1千米。
The mine has a depth of 340 meters, a width of 950 meters and a length of 2.1 kilometers.
安格鲁黄金在南非的mponeng矿是世界上最深的矿，大约深4公里，但是南非去年的黄金产量是自1907年以来最低的一年。
The company's Mponeng operation in South Africa is the deepest mine in the world at about, 4 kilometers, while the country's output last year was the lowest since 1907.
南非第三大黄金生产商Harmony GoldMiningCo., 并不准备在其3.6公里深的Kusasalethu矿进行更深的采掘。
Harmony Gold Mining Co., Africa’s third-largest producer, doesn’t plan to join AngloGold in digging deeper than its 3.6 kilometer Kusasalethu mine.
绍兴-江山深大断裂控制了矿田和岩株的构造。
Structures ofthe ore-field and the stock are controlled by the Shaoxing-Jiangshan deep fault.
如何有效地对储量危急矿山的深边部的潜在隐伏矿体进行预测和勘查是现在矿山找矿勘查面临的一个难题。
How to effectively predicate and explore the potential ore bodies (deposits) in deeper and outer of the mines with critical resource reserves is a very complex project for mineral exploration.
因此，对矿段延深进入地下后的涌水进行研究具有重要的现实意义。
So, the research of water gushing to Malu after entering the underground has important realism meaning.
通过采取深孔爆破、顶板注水和矿压分析等综合治理措施，有效的解决了瓦斯问题。
Through deep hole blasting, water injection and roof strata of integrated management measures for the effective solution of the gas problem.
本文分析了露天矿深孔爆破长期沿用的连续装药结构存在的问题。
This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
作者研制出一个集爆破参数、矿岩破碎度与采矿总成本为一体的深孔爆破优化设计系统软件。
A software system for optimizing blasting design integrating the determination of blasting parameters, the size of ore fragment, and the package mining cost is developed.
本研究结果为我们今后进一步探讨成牙本质细胞钙离子转运机制，深人了解牙本质矿化及信号转导提供了理论依据。
The results of this study have provided theoretic basis for further investigation on the mechanism of the calcium transportation, dentin mineralization and signal transduction hi odontoblast cells.
冬瓜山矿的矿体埋深大，因而存在高应力，并且各向应力不均衡。
There are high and uneven stresses in the orebody of Dongguashan Mine due to its deep occurrence.
依据东大山铁矿的矿体形态及所采用的采矿方法，浅析了中深孔崩矿参数的设计与优化途径。
In accordance with the orebody shapes of Dongdashan iron mine and the adopted mining method, the ways of design and optimization for medium and deep caving parameters were given.
控制顶板事故，防范冲击矿压的发生是开采埋深较大的孤岛煤柱工作面的重点和难点。
Controlling roof accidents and preventing the occurrence of bursting underground pressure are the priorities and difficulties to mine deeper isolated pillar face.
深孔钻进的实现，为深部地质找矿提供可靠资料。
The deep hole drilling provides the reliable data for the deep ore-prospecting.
大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine, such as shallow buried depth, thin bed rock and thick aeolian sand.
通过对柳钢屯秋矿开采中的爆破工作进行总结研究，提出采用露天开采深孔爆破的技术条件与安全保障措施。
The technical requirements adopted for open long-hole blasting and its insurance countermeasures were put forward by summarizing the blasting operation during exploiting the Tunqiu Mine of Liugang.
该系统包括“三大”成矿体系，即：幔源岩浆体系、深穿透断裂构造体系、含矿气液流体体系。
The mineralization system has three giant system, namely mantle magmatic system, penetrability deep-fault and ore- bearing pneumato-hydrothermal system.
目前矿体控制最大斜深达890多米，矿体仍未尖灭，稳定向下延伸，显示矿床深部找矿的前景十分广阔。
The orebody has a controlled maximum dip width of 890 m or more and still extends downward without pinching out, indicating that the deposit has very vast ore prospects at depth.
张店钢铁总厂湖田石矿为缓倾斜露天矿，在由上而下顺倾向采矿的缓倾斜台阶深孔爆破中，下一台阶对爆区有夹制作用，给爆破工作带来很大难度。
In step long-hole blasting in gently inclined open-mine, which mining along slope direction from top to bottom, the press from next step result great difficult in blasting work.
进一步找矿方向应为深大断裂两侧及韧(脆)性剪切带。
The further prospecting directions should be in two sides of deep fracture and ductile (brittle) shear zones.
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
The blasting boulder yield is an important quality indicators in the step long-hole blasting of surface mine.
矿泉水的主要化学成分验证了矿水床的蓄水构造和深循环条件。
The main chemical composition of the mineral water verified the geological structure of groundwater storage and the condition of deep water cycle.
深断裂带、大型剪切带及其旁侧的褶皱及断裂裂隙系统控制矿带、矿区、矿床和矿体。
The ore belts, mining area, deposits and ore-bodies are all controlled by the deep faults, large scale shear zones and the fold and fault-crack system aside.
强调台褶过渡区及褶皱过渡区、深大断裂、基性超基性岩的区域控矿作用。
The regional metallogenic control of the transition zones of platform folding and the transition zone of folds, deep and large fractures, basic ultrabasic rocks are emphasized.
并认为太古宙绿岩带铁-铀型铀矿矿体埋藏深、隐伏性强、盲矿体多，潜在的找矿前景相当可观。
It is considered that ore bodies buried deeply in iron-uranium type uranium deposit in Archean greenstone belt, have many blind ore bodies, the prospecting potential is very great.
结合乌龙泉露天矿的生产实际，阐述了该矿深孔爆破震动的测试方法和测定结果。
In the light of its practical production, the monitoring method and results of deep hole blasting vibration in Wulongquan Open pit are expounded.
提出了露天矿深孔爆破中降低大块率的技术措施。给出了矿山应用的实例。
Besides some measures for reducing BYof borehole blasting application in open pits are provided here.
提出了露天矿深孔爆破中降低大块率的技术措施。给出了矿山应用的实例。
Besides some measures for reducing BYof borehole blasting application in open pits are provided here.
应用推荐