ion-exchange treatment 离子交换处理
weak acid ion exchange treatment 弱酸离子交换处理
ion-exchange treatment of wastewater 废水离子交换处理法
ion exchange water treatment 离子交换水处理
odor treatment by ion-exchange 离子交换除臭处理
sodium ion exchange water treatment 钠离子交换水处理
At present mainly by ion exchange water treatment method.
目前主要采用离子交换水处理法。
The treatment to Zincic waste water by amphoteric ion exchange resin was investigated by static adsorption method.
利用静态吸附方法，研究两性离子交换树脂处理含锌的废水。
PURPOSE: To study the effect of ion-exchange treatment on the fracture resistance of hot pressable ceramic crown.
目的：研究国产陶瓷表面离子交换处理对热压铸瓷冠抗碎裂载荷的影响。
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