降低北山区采矿损失率的途径探讨

Discuss How to Decrease the Loss Function of Mining of Northern

介绍了北山区开采现状，分析了影响采矿损失率的原因，指出了降低采矿损失率的几种途径，提出因地制宜综合运用这些途径，降低银山矿北山区采矿损失率是完全可能的，可对类似矿山有一定的借鉴作用。

The article describes the present situation of northern pit,analyse the reason of the loss function of mining,advance some ways to decrease the loss function of mining,and raise how to use these methods comprehensivly in the light of local conditions.The probability of decreasing the loss function is in favour,so the article can give an example to similar minings.