shrinkage method是什么意思

用法例句

Aiming at the above problems,a new combined method of separate mining & filling and shrinkage is designed.

针对以上问题,设计了在采场内同时设置留矿格与废石充填格的分采充填与留矿联合采矿法,并在花石头矿区进行了采矿实验,结果表明该采矿方法具有较高的应用价值与经济效益。

Recovering residual ore body technology in open-pit;

露天采场残留矿回收技术

The improvements of bottoms oredrawing structure in the application of shrinkage method in Wulong Gold Mine,Liaoning Province over and the years are summarized and the different pillarrecovering of shrinkage stoping are described.

总结了辽宁五龙金矿多年来在应用浅孔留矿法过程中，对底部出矿结构的改进方法及其使用条件；阐述了留矿法采场矿柱回收的不同方法，并就五龙金矿目前存在的深部采场地压活动剧烈这一实际问题，提出了一些看法。

The stability of orebady and its surrounding rock is analysed, on this basis, the ways to recover remnant ore in empty stope are put forward.

在分析了矿体及围岩稳定性的基础上 ,提出了报废采场残留矿体的回收方法 ,在完成采场残留矿体的回采工作中 ,以低廉的成本回收了残留高品位矿石 ,扭转了三级保有矿量不足的被动局面。

31 $RMB and the amount of gold mine increased by more than 30,000 ton per year with shrinkage stoping with shallow hole and keeping the ore to be left as new mining method.

0 7元/吨 ,改用浅孔留矿法后 ,采矿直接成本降为 2 0 。

The shrinkage stope leaching is a comprehensive method of mining and hydrome tallurgy containing the mining technology(involve developing,cutting,drilling,blasting,ca ving ore and moving some ores to ground)and leaching ore (include distributing solution,percolation leaching,bottom collecting solution,recovering solution containing metal and processing).

采场留矿浸出是一种集采矿工艺 (包括采准、切割、凿岩爆破、落矿筑堆、部分出矿 )和矿石浸出 (包括布液、渗滤浸出、采场底部集液、回收含金属溶液并处理 )工艺于一体的综合采冶方法。