APCA analytical method can effectively determine the aerosol components in urban area, and it also can distinguish between local components and remote components in the area from the pollution resources.

• PIXE分析与统计处理相结合能有效地分析上面三个地区大气气溶胶的主要成分。 对于都市地区大气气溶胶,绝对主成分分析能有效解出各主要成分,对于离污染较远的洁净地区,绝对主成分分析能区分出当地的和从远地输送过来的成分。