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 results indicate that the low strength and hardness, resulting from the Sulfide inclusions and organizational segregation, led to the crankshaft fatigue fracture.

结果表明：该曲轴硫化物夹杂偏多、组织偏析导致曲轴强度和硬度偏低，引起曲轴疲劳断裂。

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Regressive analysis shows segregation index has maximal relationship with water ratio in secondary cooling, and has low relationship with superheat degree of steel.

回归分析表明偏析指数与二冷比水量的相关性最大，而与钢水过热度的相关性不强。

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Their relatively high residential segregation also is partly attributable to their low socioeconomic status, said Daniel Cornfield, a Vanderbilt University professor who studies immigration.

WSJ: Hispanics Extend Reach Beyond Enclaves