大学英语词汇短语释义解析及例句 lead concentrate


释义：

lead concentrate 铅精矿；铅精矿砂

例句：



Silver is enriched in lead concentrate.

银富集在铅精矿中。



For reasons that lead concentrate contains many kinds of metal ores, it is difficult to evaluate its quality grade.

由于铅精矿中含有多种金属矿，给铅精矿质量等级的评价带来很大困难。



Processing tests on mixed copper and lead concentrate produced by a large copper mine in Yunnan Province were carried out aiming at the separation of copper and lead.

针对云南一大型矿山生产的铜铅混合精矿开展选矿试验，目的是实现铜铅分离。



Experimental results showed that applying selective flotation process and optimum reagent condition can efficiently separate the lead-zinc minerals and obtain lead concentrate of 63.

试验结果表明：采用铅优先浮选工艺和合理的药剂条件，可以有效地实现铅锌分离，获得铅精矿品位63。