4HILDEMANN L M,MARKOWSKI G R,CASSG R.Chemical composition of emissions from urban sources of fine organic aerosol[J].Environmental Science & Technology,1991,25:744-759.
5MARTIN P,HEAVNER D L,NELSON P R,et al.Environmental tobacco smoke (ETS):a market cigarette study[J].Environment International,1997,23 (1):75-90.
6WANG J N,CAO S R,LI Z,et al.Human exposure to carbon monoxide and inhalable particulate in Beijing[J].China Biomed Environ Sci,1998,1 (1):5-12.
7ZHAO J,YANG X.Photocatalytic oxidation for indoor air purification:a literature review[J].Building and Environment,2003,38(5):645-654.
8OHKNBO T,HAMASAKI S,NOMOTO Y,et al.The effect of corona wire heating on the ozone generations in an air cleaning electrostatic precipitator[J].IEEE/IA Trans,1988 (1):1646-1651.