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城市道路二次扬尘中PM10浓度量化模型实验研究

Li-ping wu,Jin-xia GU

Environmental Science & Technology（2008）

Cited 7|Views10
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Abstract
机动车行驶条件、路况与道路二次扬尘中PM10浓度有密切的关系.通过对它们设计正交试验和多元回归统计分析,得到PM10浓度计量模型:p=0.0314W0.8248v0.7021q0.357M0.167该方程具有99%的置信度,且拟合的较好.经回归系数显著性检验,自变量对因变量的影响均极为显著,其显著性大小依次为:道路路面粉尘负荷、机动车车型、车速和车流量.最后采用实测值与模型计算值问的均方差对模型进行验证,结果表明该模型具有较高的可信度.
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Key words
PM10,multiple regression statistical analysis,secondary fugitive dust
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