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Nb_2O_5-MnO-SiO_2渣中Nb_2O_5和MnO活度的研究

本文利用含NbFe液与Nb_2O_5-MnO-SiO_2渣之间平衡,在1828K温度下应用固体电解质浓差电池方法测定了Fe液中氧的活度,从而计算出渣中Nb_2O_5及MnO的活度,并绘制了Nb_2O_5-MnO-SiO_2三元系的等α_(Nb_2O_5)和等α_(MnO)图。

关键词: 活度 , Nb_2O_5-MnO-SiO_2 system , slag

ELECTROCHEMICAL STUDY OF ACTIVITY OF Nb_2O_5 AND MnO IN Nb_(?)O_(?)-MnO-SiO_(?)SYSTEM

ZHANG Shengbi WEI Shoukun WANG Ruiyin LI Liman University of Science and Technology Beijing , Beijing , China ZHANG Shengbi Professor , Dept.of Metallurgical Physical Chemistry , University of Science and Technology Beijing , Beijing 100083 , China

金属学报(英文版)

Equilibrium between liquid iron containing Nb with Nb_2O5-MnO-SiO_2 slag was investigated at 1828 K,the solid electrolyte oxygen concentration cell being used to measure the activity of oxygen in the metal bath.The activity of Nb_O_5 and MnO in the slag was evaluated, accompanied with an iso-activity diagram of a_(Nb_2O_5) and a_(MoO) in Nb_2O_5-MnO-SiO_2 slay.

关键词: activity , null , null

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Nb_2O_5-MnO-SiO_2渣中Nb_2O_5和MnO活度的研究

ELECTROCHEMICAL STUDY OF ACTIVITY OF Nb_2O_5 AND MnO IN Nb_(?)O_(?)-MnO-SiO_(?)SYSTEM

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