The status must be clearly identified at all times. This can be accomplished by a physical Segregation or electronically by the use of a Validated, computerized Materials management System.
任何时候状态都应清楚地标识，这可以通过物理隔离或者使用验证过的计算机物料管理系统来完成。
Owing to both physical and chemical properties of metal material, there are inevitably shrinkage cavities, porosity and segregation in ingots.
由于钢锭内部不可避免地存在偏析、疏松、缩孔及微裂纹等冶金缺陷。
The research development of channel segregation (freckle) during solidification in multi-component systems is discussed, including the freckle characteristic, influencing factor and physical feature.
对多组元复杂体系（尤其是高温合金体系）在凝固过程中形成的通道偏析即黑斑的研究现状进行了评述，包括黑斑的存在方式、影响因素和物理特征等。
The research development of channel segregation (freckle) during solidification in multi-component systems is discussed, including the freckle characteristic, influencing factor and physical feature.
对多组元复杂体系（尤其是高温合金体系）在凝固过程中形成的通道偏析即黑斑的研究现状进行了评述，包括黑斑的存在方式、影响因素和物理特征等。
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