Application of hierarchial analysis method in quantitative analysis of mine loss 层次分析法在矿井损失定量分析中的应用
Reducing the mining loss - an effective way for raising the economic benefit of coal mine 减少呆滞煤量是提高经济效益的有效途径
The application of pointed prop mechanical slice stoping and backfilling mining in sanshandao gold mine is presented . it is characterised by high mechanization degree , great capacity of slice stoping and low mining loss rate and ore dillution rate . as a result , it is suitable for the large - scale mining of low grade deposit 介绍了点柱式机械化分层充填采矿方法在三山岛金矿的应用,该采矿方法机械化程度高,采场分层生产能力大,两率指标较低,适用于低品位矿床的大规模开采。