mining ore grade的意思|示意

The ore-body block model is not only widely used in ore grade and reserve calculation, but used in the optimization of the final mining boundary and mining plan in the open pit.

矿体块状模型广泛应用于品位、储量计算，也可用于露天矿最终开采境界优化和开采计划优化。

The resources of natural rutile in our country is primary low-grade ore, eclogite-type rutile deposit is characterized as large, thick ore body, easy to exploration and mining.

我国天然金红石资源绝大部分为低品位的原生矿石，榴辉岩型金红石床具有规模大，矿体厚，易于勘探和开采等特点。

He also knows that big mining companies prefer mountains of low-grade ore to small, high-grade mines like his.

而且他也知道那些个大型矿产公司更喜欢那些低地势的矿山，而不是他那又小又高的。

The ore structure of Daling Mine is complex in Jilin Nickel Industry Corporation, it is typical low grade difficulty mining deposit.

吉林镍业公司大岭矿矿岩结构复杂，为典型的低品位难采矿床。

Venezuela, Venezuela's Mining Group is the only iron ore producer, the high-grade iron ore in Brazil compared with fewer impurities, in 2009 iron ore production capacity of 23 million tons.

委内瑞拉矿业集团公司是委内瑞拉唯一的铁矿生产企业，该铁矿较巴西矿品位高杂质少，2009年铁矿生产能力为2300万吨。

Research shows that main cause of ore dilution in sublevel caving mining is tlnrational cut-off grade drawing. Non-dilution ore drawing is most ideal drawing mede.

研究表明，造成无底柱分段崩落法来出矿石贫比大的根本原因在于采用了不合理的截止品位放矿方式，无贫化放矿是无底柱分段崩落法最为理想的放矿方式。