ADJ of or containing manganese in the divalent state (含)二价锰的
The prepared method and technologic condition of tetrahydrated manganous nitrate reagent is given in laboratory.
提出了实验室制取四水合硝酸锰化学试剂的工艺条件和制备方法。
In this paper, the potential advantage of the preparation of metallic manganese from manganous chloride has been described.
本文介绍从氯化锰体系，制备电解金属锰的潜在优点。
The manganic manganous oxide is prepared from the purified manganese sulfate solution using hydrogen peroxide as oxidant under alkali medium of ammonia solution.
研究了从软锰矿制备硫酸锰，在碱性溶液中，以过氧化氢为氧化剂，制备高比表面优质四氧化三锰的新工艺。
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