This paper describes the use of a disc-stack nozzle centrifuge for wet classification of ultra-fine particles of calcium......

应用硫酸铜还原化学沉淀法制备铜的超细粉体,研究了反应温度、浆液密度和表面活性剂对超细铜粉制备过程行为的影响.试验发现,当反......