The function of hydrocarbons and nitrogen oxides in photochemical smog formation and the formative process of ozone and peroxyacetyl nitrate are discussed.
The content of IgG,IgM,IgA,C3,C4 and formative ratio of ERFC and total rosette were tested on Game chicken which were fed in Xishuangbanna at the age of 60th day and 547th day.