大同市秋季大气气溶胶化学成分及来源解析

China Powder Science and Technology(2009)

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Abstract
采集了大同市2004年9月大气颗粒物样品,应用外束质子激发X荧光(PIXE)方法分析得到了20种元素浓度谱分布。分析结果表明:大气颗粒物样品中绝大多数元素的浓度较低,多数元素呈粗粒模态分布;大同市秋季颗粒物污染较轻。富集因子分析结果表明,大同市秋季大气中颗粒物主要来源于源燃煤尘、土壤尘和工业排放源。
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Key words
enrichment factor analysis,atmospheric aerosol,elemental concentration
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