supported by China National Key Basic Research Science Foundation Project(G1999043400);the Hundred Talents Program(Global Environmental Change)by the Chinese Academy of Sciences;the National Natural Science Foundation of China(No.40205017);Social Commonweal Research Project(2002DIA20012)by the Ministry of Science and Technology of China.
Dust events occurred frequently in Beijing in recent years. In this work, 120 aerosol samples were collected in two typical dust events (21-22 March and 15 May) and a non-dust period in Beijing from March to May 2001....
supported by the National Natural Science Foundation of China(Grant No.40205017);the Knowledge Innovation Project(Grant No.KZCX2-305);Hundred Talents Program(Global Environmental Change)by the Chinese Academy of Sciences.
Aerosol samples for PM2.5 were collected in Beijing for 38 consecutive days from March to April 2001 using an IMPROVE Sampler. Concentrations of 20 elements in PM2.5 were determined using a PIXE method. Results show t...