The research contents are included as follows: metallurgical effect of electromagnetic stirring; inclusion, macrograph, segregation of composition; properties of final rolled steel products.

其内容包括：电磁搅拌的冶金效果、铸坯的低倍组织、非金属夹杂物、成分偏析及钢材性能。

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The amount of K_2O in the batch composition has an effect on the segregation of humite in the melt.

批料组合物中 K_2O 的量对熔体中腐殖土的偏析有影响。

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The results show that the main causes of fracture is composition segregation and low strength resut from no quenching and tempering treatment.

结果表明，产生断裂的主要原因是材料内部成分偏析及未按要求对材料进行调质处理导致材料的强度较低。

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The authors compute an index of occupational segregation, which compares the composition of employment in individual places with the national profile.

ECONOMIST: Free exchange