The positive segregation in the upper center and the negative segregation in the exterior region of the ingot are found at the same time.
还发现，在铸锭的中心靠上的区域形成正偏析，在铸锭的外部区域形成负偏析。
The induced electromagnetic field possesses the action of electromagnetic purification, and effectively removes formation of impurity grain, segregation, negative segregation and gas cavity.
感生磁场具有电磁净化的作用，可以有效地消除杂质颗粒以及偏析、负偏析和气孔形成的机率。
In the slab, the negative carbon segregation region and positive segregation in the center are observed simultaneously.
在板坯中碳的偏析同时存在负偏析区和中心正偏析。
At present, the problem of residential segregation is becoming increasingly obvious, bringing the unequal distribution of social resources, class antagonism, and other negative impacts.
当前，国内外城市居住分异问题愈趋明显，带来社会资源分配不均、阶层对立等负面影响。
The necessity of setting the bias current and segregation resistances in every element of bipolar silicon photo-negative resistance phototransistor array is studied and analysed.
探讨并分析具有光致负阻特性的双极型硅光电三极管阵列中各单元器件设置偏流隔离电阻的必要性。
The necessity of setting the bias current and segregation resistances in every element of bipolar silicon photo-negative resistance phototransistor array is studied and analysed.
探讨并分析具有光致负阻特性的双极型硅光电三极管阵列中各单元器件设置偏流隔离电阻的必要性。
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