adj. nickelous
二价镍的(nickelous), 此释义来源于网络辞典。
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本文研究了强碱性条件下，以乙二胺为络合剂，用水合肼把二价镍离子还原为单质镍的方法。
Under the condition that the strong basic is medium and ethylene diamine is complex reagent, the method that Ni2 + of wastewater is deoxidized by hydrazine hydrate is studied.
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