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本试验对以75硅铁为基础的多种硅钡系、硅锶系、硅锆系混制复合孕育剂的使用效果进行了考察,列举了其中较好的配方。並指出了使用方面的有关问题。
In this experiment, the effect of using a variety of silicon-barium-based, silicon-strontium-based and silicon-zirconium mixed inoculant based on 75 ferrosilicon was investigated. The best formulation was listed. And pointed out the use of the relevant issues.