Tuesday, February 6, 2024
填空题重力选矿,是根据矿物()不同而分离矿物的选矿方法。...
Monday, May 8, 2023
当外电路短路时(即R=0),电流达到最大值,当外电路处于开路状态时,外电阻阻值相对接近于()。...
Tuesday, September 20, 2022
Monday, February 27, 2023
单选题自磨机靠()介质达到磨矿的目的。A 靠矿石本身B 砾石C 钢球D 铁球...
Tuesday, January 23, 2024
单选题通过磨矿作业主要使原矿中有用矿物达到()。A 单体分离B 品位提高C 细磨D 富集...
Friday, May 17, 2024
当给入分级机物料中含泥量或细粒多时会出现什么情况?如何调整?...
Thursday, September 22, 2022
Wednesday, September 14, 2022
Tuesday, July 11, 2023
Wednesday, May 17, 2023
单选题一般磨矿给矿硬度大,磨矿介质的直径应()些。A 大B 中C 小...
Tuesday, July 11, 2023
Thursday, September 22, 2022
Thursday, September 15, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题表示矿物颗粒大小的程度称为()。A 粒度B 网目C 比重...
Thursday, May 25, 2023
按分级任务的不同,分级可以分成预先分级、检查分级和()分级三种...
Thursday, September 22, 2022
填空题球磨机转速过高(临近临界转速)会出现()作用使磨机失掉磨矿作用。...
Wednesday, May 10, 2023
多选题下列不需要加钢球的磨机是()A球磨机B棒磨机C砾磨机D管磨机...
Thursday, May 25, 2023