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用渣金平衡法确定了1600℃下CaO在SiO_2La_2O_3三元渣系中CaO和La_2O_3的活度,在浓度三角形中绘出了相应的等活度线;给出了Sn在La稀溶液中γ_(La)~0与温度的关系,考察并讨论了已有的硅酸盐渣的结构模型对这个渣系的适用性.
The activity of CaO and La_2O_3 in the ternary slag system of SiO_2La_2O_3 at 1600 ℃ was determined by the slag-gold equilibrium method, and the corresponding isobolograms were plotted in the concentration triangle. La) ~ 0 and temperature, investigated and discussed the applicability of the structural model of the existing silicate slag to this slag system.