The various methods for the preparation of lead dioxide that have been proposed from time to time may be subdivided into chemical and electrolytic preparations.
各种层出不穷的二氧化铅的制备方法可分成化学制备和电解制备法两类。
2
The additive can effectively improve current efficiency, increase energy consumption and produce the high purity zinc stably in the electrolyticpreparation of the high purity zinc.
本发明在电解制备高纯锌过程中能够有效提高电流效率、降低能耗、 稳定的产出高纯锌。
3
Molten-salt electrolyticpreparation of deteriorative agent AlSr alloy by using liquid A1 as cathode is characterized by such advantages as simple process, low cost and high product purity.