bismuthite是什么意思

用法例句

The paper present the productive circumstances of recovering bismuthite from the magnetic dressing tailings of wolframite in Tieshanlong tungsten mine, point out the necessity of desulphurization before the floatation of bismuthite, and put forward the attentive matters in the floatation process.

介绍了铁山垅钨矿从黑钨磁选尾矿中回收泡铋矿的生产情况 ,指出了浮选泡铋矿之前脱净硫化矿物的必要性 ,并提出了生产操作中应注意的事项。