Feasibility of open-pit mining on shallow coal pillars of mine
矿井浅部煤柱露天开采可行性研究
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。
Accor ding to the depth increasing of open-pit, the ore source of open-pit mining is decreasing day by day, at the same time, the condition of open-pit mining turns into very hard, so some open-pit mines start to transfer into the underground mining.
随着露天开采矿山深度的增加,地表矿石资源日益匮乏,同时露天开采条件也变得越来越复杂,许多露天开采的矿山已经转入地下开采。
Building of analog virtual laboratory for open mining;
露天开采模拟虚拟实验室的建立
Preliminary exploration of the cause of land slip and its prevention and control in the open mining of metal mines;
金属矿山露天开采滑坡原因及防治技术初探
Open mining aims at Sedimentary and Accumulative bauxite,underground mining is for Permian bauxite,Middle-upper carboniferous bauxite and mid-Carboniferous bauxite.
调查表明,目前国内铝土矿85%以上为露天开采,其余为地下开采和民采。
Control of blasting cost during opencast mining;
浅谈露天开采爆破成本控制
Using"the optimizing software package of the opencast mining design"optimizes the opencast boundary of the second deposit of the Huogeg Iron Ore in Wulate Rear-banner of Inner Mongolia.
利用“露天矿优化设计软件包”对内蒙古乌拉特后旗霍各乞铁矿二号矿床进行露天开采境界优化,境界圈定结果矿石量比原设计多了947。
On the basis of the exploitation actuality of a large-scale gold-copper deposit, the technical measures are suggested such as utilizing the potential reserves, conducting the technological transformations and increasing productivity to realize full opencast mining, and achieve a mining scale with gold of 16 t/a, copper ore of 20 000 t/d, total mining and overburden amount of 85 Mt/a.
针对某大型金铜矿床开采现状,采取挖潜、技改、扩能等措施,实现全露天开采并达到年产黄金16t,铜矿2×104t/d矿石规模,最大采剥总量达85×106t/a,并能充分回收低品位金铜矿资源,使企业效益最佳。
Engineering geological character of goaf surrounding rocks and its damage control from underground mining to open pit mining in Zijinshan Gold Mine;
紫金山金矿地下转露天开采采空区围岩工程地质特征及危害控制
In the case of open pit mining with underground goaf,there are no uniform and normative calculations at present to determine the boundary pillar's safety thickness.
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 effect of bench height on open pit mining is studied.
探讨了台阶高度对露天开采的影响，并以矿岩运输成本，运输道路的修建、维护费，台阶维护、清扫费的综合贴现值最小为原则，研究了台阶高度的合理值。
Strip mine is another form of surface mining.
露天剥离矿是露天开采的又一种类型。
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
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。
The harmfulness of high step burst body and the prevention of its taking place during the initial stage of changing underground into opencast mining
地下开采转露天开采初期高台阶爆裂体的危害与防治
Comprehensive Utilization of Land Resources aod Optimization of Pit Limit
土地资源的综合利用与露天开采境界的优化
glory-hole system
露天放矿漏斗开采法
Study on Rules of Mining Damage Caused by Open-pit with Under-ground Mining;
露天地下联合开采采动损害规律研究
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。
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
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
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
The stability change characteristics in open side slope exploration
露天边坡开采过程中稳定性变化特征
Study of the Influence on Underground Mining during Stacking the Gangue in Open Pit;
露天采空区排尾对地下开采影响的研究
THE RESEARCH OF THE OPEN-PIT' ECONOMIC STRIPPING RATIO AND THE LAST LIMIT DEPTH;
露天矿经济合理剥采比和最优开采深度的研究
A STUDY ON GROUND CONTROL DURING OPEN PIT MINING TRANSFERRING TO UNDERGROUND MINING IN ZHEYAOSHAN COPPER MINE
白银折腰山铜矿露天转地下开采地压研究
3-D Numerical Research on the Slope in Mining Transferred from Open-pit to Underground;
露天转地下开采的边坡三维数值模拟研究