The pretreatment of silver concentrate with high arsenic, antimony and copper is followed by in-pulp electrolysis, the leaching rate of silver is over 95%.
富含砷、锑、铜的银精矿先经过预处理，再进行矿浆电解，银的浸出率达到95%以上。
The research progress in lowering the hydrogen generating energy consumption of alkaline water electrolysis by decrea-(sing) the anodic over potential for oxygen evolution was reviewed.
综述了通过降低阳极析氧过电位来减少碱性水电解制氢能耗的研究进展。
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