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organic carbon(15)
particle size(15)
precipitation(15)
biomass burning(14)
seasonal variation(14)
concentration (composition)(13)
numerical model(13)
concentration (parameter)(12)
ozone(12)
particles (particulate matter)(12)
summer(12)
black carbon(11)
carbon(11)
nitrate(11)
positive matrix factorization(11)
sulfur compounds(11)
uncertainty analysis(11)
air pollution control(10)
diseases(10)
exhaust gas(10)
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