Molten steel containing both manganese and chrome had been refined by the molten slag of CaO-SiO2FeO-MnO-Cr2O3-MgO System under AC arc and DC arc with 200A and 32D - 350A(steel bath as anode).

• 研究交流电弧和200A及320－350A的直流电弧（金属熔池为阳极）熔炼钢液时的渣/金反应。