sulphide minerals as well as gangues in these deposits have suffered intense pressure solution, and the sulphides have undergone multi_stage overgrowth.
加拿大西部块状硫化物矿石普遍地发生过硫化物的压溶和增生。
the mechanism of pyrogallic acid depressing sulphide minerals has been discussed by means of hmo calculation, interaction energy and energy band structure.
通过量子化学计算、亲固能计算以及能带结构分析等方法探讨了焦性没食子酸对硫化矿物的抑制机理。
in order to recover cassiterite by gravity separation, it is necessary to separate sulphide minerals from the dachang cassiterite ores by coarse preferential flotation.
为了用重选法回收锡石,大厂锡矿需先用粗粒优先浮出硫化矿石,但分选比较困难。