银采用高电流密度电解精炼，产品银纯度达到99.99%。
Electrolysis refining of silver adopts high current density. the purity of the silver products reaches 99.99%.
膨胀石墨对重油的吸附量随着膨胀容积的增大而增加，合适的电流密度、电解液浓度以及反应时间是制备高膨胀容积膨胀石墨的关键。
Adsorption quantity increases with the expanded volume. Appropriate current density, electrolyte concentration and reaction time are the keys to obtain high-expanded volume.
分析了影响高电流密度铅电解直流电耗的因素，提出了降低铅直流电耗的途径。
This paper analyses the factors that affect DC consumption in the high current density lead electrolysis and proposes the way for reducing DC consumption in the lead electrolysis.
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