摘要
I.Introduction Nitro-Polycyclic aromatic hydrocarbons(NPAHs)can be formed via the reactions of Polycyclic aromatic hydrocarbons(PAHs)and Nitric oxide(NOx)during the combustion of fossil fuels.Researchers have found that these substances feature carcinogenicity and mutagenicity.
出处
《中学生英语》
2016年第36期23-25,共3页
English Journal for Middle School Students