coal recovery rate的意思|示意

It's not only effectively reduced the 10,000 tons' tunneling rate and the cost of coal, but also greatly enhanced the recovery of the mine resources, and achieved considerable economic benefits.

其不仅有效的降低了万吨掘进率、降低了原煤成本，而且大大提高了矿井的资源回收率，取得了可观的经济效益。

This paper analyzes the preconditions for small and medium-sized coal mines to increase coal recovery rate, and puts forward some paths and measures for the second mining of the coal resources.

分析了中小煤矿提高煤炭资源回收率的前提保障条件，提出了复采煤炭资源的途径和措施。

The greater mining height mining is higher in resource recovery rate, better in coal quality, high in output and efficiency and good economic benefit.

大采高开采资源回收率高，煤炭质量好，能实现高产高效，经济效益好。

Microseismic monitoring technique is of important meaning for the safety of coal mine, the prediction of the period of mining pressure and the increase of recovery rate.

微地震监测技术对确定采场覆岩“两带”高度、预报采场顶板破坏、预测煤与瓦斯突出，从而预防灾害发生、保证煤矿安全生产并提高资源回采率等具有重要意义。

Theoretical analysis shows that coal pillars plastic zone width not only with mining depth, mining height, but with the recovery rate.

理论分析表明，煤柱塑性区宽度不仅与采深、采厚有关，而且也同采出率有关。

To recover the remainder coal in the side slope walls of surface mine by use of underground coal winning method can increase coal recovery rate and mine economic effect.

采用地下台阶式开采法回采露天矿端帮煤可大大提高煤炭资源回收率和矿山经济效益；