论文部分内容阅读
The activity of MnO in blast furnace-typeslags CaO-SiO<sub>2</sub>,CaO-SiO<sub>2</sub>-Al<sub>2</sub>O<sub>3</sub> andCaO-SiO<sub>2</sub>-Al<sub>2</sub>O<sub>3</sub>-MgO a