1WHO, UNECE. Healthy risk of particulate matter from long range transboundary air pollution: preliminary assessment [R]. UNEDITED: World Health Organization,1999.
2Brown A S,Yardley R E,Quincey P G,et al. Studies of the effect of humidity and other factors on some different filter ma- terials used for gravimetric measurements of ambient particu- late matter[J]. Atmosp Environ,2006,40:4 670-4 678.
3Asif S Ansari,Spyros N Pandis. Prediction of multicomponent inorganic atmospheric aerosol behavior[J].Atmosp Environ, 1999,33:745-757.
4Tang I N. Phase transi'ormation and growth of aerosol particles composed oi mixed salts[J]. Aerosol Sci, 1976,7 : 361-371.
6Massling A, Stock M, Wiedensohler A. Diurnal, weekly and seasonal variation of hygroscopic properties oI submicrometer urban aerosol particles [J]. Atmos Environ, 2005,39 : 3 911- 3 922.
7Li S M,Winchester J W. Geochemistry of organic and inor- ganic ions of late winter arctic aerosols[J].Atmospheric En- vironment,1989,11 : 2 401-2 415.
8Akua A. Asa-Awuku, Characterizing water-soluble organic aerosol and their effects on cloud droplet formation: interac- tions of carbonaceous matter with water vapor[D]. Atlanta: Georgia Institute of Technology . 2008.
9Sexena P,Hildemann L M,McMurry P, et al. Organics alter hygroscopic behavior of atmospheric particles[J]. Journal of geophysical research atmospheres, 1995,100 : 755-770.
10Semeniuk T A,Wise M E, Martin S T, et al. Hygroscopic behavior of aerosol particles from biomass fires using environ- mental transmission electron microscopy[J].Atmos Chem, 2007,56,259-273.
