Large inclusion come from mould fluxes, oxidation products, tundish covering flux and so on.
大型夹杂物主要来源于结晶器卷渣、氧化产物和中间包覆盖剂等。
At present, the magnetic technology is widely used in continuous casting process, so, the mould fluxes will be the role of electric field.
目前电磁技术正广泛应用于连铸工艺中，因而处于结晶器中的保护渣会受到电场的作用。
It shows that the rare earth influences mould flux properties, the influence varied when using different mould fluxes and different steel grades.
表明稀土对结晶器保护渣使用性能有一定影响，不同保护渣、不同钢种影响规律不尽相同。
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