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研究了低硫情况下电炉熔炼如何改进孕育效果的方法．研究表明，对含硫较低铸铁的孕育方法的改进，不一定非要通过补硫或改善孕育剂的方法来实现；通过增加原有孕育剂的数量、改进孕育方法同样能改善孕育效果．
How to improve the effect of inoculation in EAF smelting under low sulfur condition was studied. The research shows that the improvement of inoculation method for low sulfur content cast iron does not have to be achieved by sulfur supplement or improvement of inoculant. The improvement of inoculation efficiency can also be improved by increasing the number of original inoculants.