7Kaji Yamaguchi,Yasuo Kishimoto,Tashikazu Sakuraya,et al.Effect of refining conditions for ultra low carbon steel on decarburization reaction in RH degasser[J].ISIJ International,1992,32(1):126～135.
8N Myrayama.Secondary refining technology for intersintial free steel at NSC[A].Proceedings 6th Int Iron & Steel Congress[C].Nagoya,ISIJ,1990,(3):151.
9M Kano,K Adachi,M Nambu,et al.Longer life in RH with oxygen top blowing system[J].Iron & Steelmaker,1997,24(6):39.
