The content of 24 elements of aerosol samples from industrial area in Chengdu city was analysed with NAA,and compared with the results in Beijing,Tianjin and Guangzhou areas.

• 以成都东郊工业区为例,采集气溶胶样品用中子活化分析测定了24种元素的含量,将分析结果与京津地区、广州地区进行比较,并用气溶胶中元素含量的均值做了富集因子分析。