Polluted environment, broken ecology, reduced economic effect, they are the main challenges that open-pit mining faces now.
文章对这些进行了较详细的分析和论述,指出今后应建立一个生态清洁的矿业,实施环境保护,加强矿物资源的综合利用,改变某些系统的露天开采工艺及开采方法,最终建立一个生态清洁的露天采矿业。
This is anew approach to optimum decision-making of surface mining technology.
露天采矿研究的对象是复杂的大系统，它具有多因素和非确定性的特点，传统的定性分析或定量优化方法具有较大的局限性。
The relations between the plane shape of mining pit and its stability has been found in opencast mining pit observation practice.
在露天采矿矿坑监测实践中发现了矿坑平面形状与矿坑稳定性的联系,给出了类椭圆形矿坑、类圆形矿坑、类矩形矿坑的应力与位移监测数据,以实测数据为依据,指出了类椭圆形矿坑、类圆形矿坑的优越性,得出了类椭圆形矿坑优于类圆形矿坑、类圆形矿坑优于类矩形矿坑的结论。
This paper deals firstly with the pollution channels to natural environment in under lake opencast mining and ore dressing in the Chengmenshan super large Cu S Deposit,and finally with the pollution consequences and the countermeasures for environmental protection.
本文论述了九江市城门山铜硫特大型矿床在湖下露天采矿及选矿中对自然环境的污染途径，提出了污染后果及环境保护措施。
A Study on the Application of Open Pit Mining Machine in Shengli No.1 Open-pit Mine
露天采矿机在胜利一号露天矿的应用研究
Based on GIS Hypothesized Open-air Mining System Research;
基于GIS的虚拟露天采矿系统研究
(of mines and mining) worked from the exposed surface.
（矿或采矿）露天挖掘的。
glory-hole system
露天放矿漏斗开采法
Strip mine is another form of surface mining.
露天剥离矿是露天开采的又一种类型。
Study on the parameters of highwall auger mining in open pit mine
露天矿高边坡钻孔采矿法的参数研究
STUDY ON OPTIMIZATION OF MINING PROCEDURE FOR SOUTH OPEN PIT
霍林河南露天煤矿开采程序优化研究
of coal, as contrasted with coal obtained from a strip mine.
关于煤，与从露天矿中开采的煤相对的。
Terms relating to coal mining--Surface mining
GB/T15663.4-1995煤矿科技术语露天开采
Mining operations by open-cut methods ceased in 1962.
露天开采的矿山作业已于1962年停止。
Research of Application of Dragline Stripping Technology in Opencast;
露天矿索斗铲倒堆工艺开采方法研究
The Research of the Open-pit Short-term Stripping Plan CAD and Optimization;
露天矿短期采剥计划CAD及其优化研究
A Study on the Interim Continuity over Mining Areas for Weijiamao Coal Open Pit
魏家峁露天煤矿采区接续问题的研究
Brief talk on application of the GPS technology on open pit mine exploration
浅谈GPS技术在露天矿开采中的应用
Probe into Bench Blasting Technology on Jiujialu Mining Area
九架炉采区露天矿台阶爆破技术探索
Establishment of 3D Model & Exploitation Design for Transition from Open Pit to Underground in 701 Mine
701矿3DM构建与露天转地下开采设计
Analysis on final slope stability for Shibao openpit mine
石宝露天矿采场最终边坡稳定性分析
Analysis on the personal noise exposure in an outdoor iron mine factory
某露天开采铁矿厂个体噪声暴露测量结果分析