<正>A continuous measurement of number size distributions and chemical composition of aerosol particles was conducted in Beijing in a dust storm event during 21-26 March 2001. The number concentration of coarse particles (>2μm) increased more significantly than fine particles (<2μm) during the dust storm due to dust weather, while the anthropogenic aerosols collected during the non-dust-storm period tended to be associated with fine particles. Elemental compositions were analyzed by using proton-induced X-ra...
【英文摘要】
A continuous measurement of number size distributions and chemical composition of aerosol particles was conducted in Beijing in a dust storm event during 21-26 March 2001. The number concentration of coarse particles (>2μm) increased more significantly than fine particles (<2μm) during the dust storm due to dust weather, while the anthropogenic aerosols collected during the non-dust-storm period tended to be associated with fine particles. Elemental compositions were analyzed by using proton-induced X-ray e...
【更新日期】
2008-02-22
【分类号】
P445
【正文快照】
1 .Introduetion Aerosols are partieles and/or droplets suspended in air Aerosols may affeet elixnate and elimate ehange，both direetly by baek一seattering and absorbing in- eoming solar radiation，and indireetly by aeting as eloud eondensation nuelei and
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