对获得的浓度数据进一步作绝对主成分分析(APCA)，获取颗粒物的主要来源成分和它们所占的比值。
Then the data were analyzed by the absolute principal component analysis (APCA) to evaluate principal components and the percent variance explained by them.
采用扫描电镜及电子探针对镁合金中单颗粒夹杂物进行了成分分析。
The compositions and morphology of a MgO inclusion particle in the AZ9 1magnesium alloy were investigated by the means of SEM and microprobe.
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