surface workings是什么意思

网络释义

用法例句

Recovering residual ore body technology in open-pit;

露天采场残留矿回收技术

For the purpose of recovering mineral resources,stabilizing the mine producibility,prolonging the service time,the remained ore carried on open-pit mine.

为了减少爆破震动的影响,维护露天边坡的稳定性,保护地表建筑物、古采矿遗址及相思河河流,对露天采场临近边坡采用控制爆破。

Based on the analysis and study on the cause of affecting blasting effect in open pit of Yinshan Lead zinc Mine, a series of technical and management suggustions and measures, which is reducing boulder yield, frequency of rock toe and back break, are put out, so the way of improving mine economic benefit are discussed.

针对银山铅锌矿露天采场影响爆破质量的原因进行了分析研究 ,提出了以降低大块率、根底率、减少后冲 ,改善爆破质量为中心的一系列技术与管理的建议和措施 ,以探讨提高矿山经济效益的途径。

Elimination methods of blasting toes in open stope of Tiegukeng mine;

铁古坑矿露天采场爆破根底的消除方法

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。

Technical Analysis of Adit-pass at Zijinshan Open Pit

紫金山金矿露天采场平硐溜井技术分析

Research on Open Pit Plan with Vacaccy Prosessing;

基于空区处理的露天采场作业计划的研究

The Study of Blasting Seismic Effect on Neighboring Houses Near Open-Pit Mines;

露天采场周边民房的爆破地震效应研究

On the Measure and Research of the Rock and Ore’s Weights in Nanfen Open-Air Iron Mine

南芬铁矿露天采场岩矿石体重的测定与研究

Study on criterion of slope failure in eastern open pit in Daye

大冶铁矿东露天采场边坡破坏判据的研究

Study on stability analysis of the typical area in high-steep slope of open pit

露天采场高陡岩质边坡典型地段稳定性分析

Discrete element numerical simulation of stability for open-pit slope

露天采场边坡稳定性的离散元数值模拟

Setting Up and Application of Open-air Mining Standard Management Model in Jiu Jia Lu Mining Area

露天采场规范管理模式在九架炉采区的建立与应用

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

Stability analysis and parameters optimization of open pit slope

采场露天边坡稳定性分析及参数优化

Research of the Huanggang Region Open-pit Mine for Security Actuality Survey and Countermeasure

黄冈地区露天采石场安全现状调查与对策研究

Study on Fuzzy Evaluation Index System of Dustproof State in Quarry

露天采石场防尘现状模糊综合评价研究

Operation Practice of Serving Open - Pit Iron Mined Out area As Milltailings Reservoir

露天铁矿采空场当作尾矿库安全运行实践

Analysis and prevention programs of geological disasters in opencast quarries

露天采石场地质灾害原因辨析与防治方案

Recognition of the Stripping Technology for Open-Pit Mines under Market Economic Conditions

市场经济条件下对露天矿山采剥工艺的再认识

Establishment and application for spatio-temporal data models of an open-pit stope

露天矿采场时空数据模型的构建与应用

Application of Oxidation Pond in the Purification of Mine Water in Strip Mine

氧化塘在露天矿采场水净化处理中的应用

Experiment on Surface Mine Water Purification Treatment with Oxidation Pool in Baorixile Surface Mine

宝日希勒露天矿采场水氧化塘净化处理试验