The analysis of mathematical statistics has indicated that main fac- tors for successful smelting are hearth temperature and the ratio of SiO_2/ TFe.

• 小型试验和数理统计分析表明,影响高炉冶炼25%25硅铁的主要因素是炉缸温度和入炉原料中 SiO_2与 TFe 之重量比。