The results showed that there were 36 to 131 sorts of benzene and its derivatives, heterocyclic compounds, and polycyclic compounds being detected. Most of them have harmful effect on human health.
分析结果表明，这些香烟中，含有苯类衍生物、杂环类化合物及多环化合物等，从36种到131种不等，绝大多数有害人体健康。
The hydroxylamine benzene dismutase and its coding gene in this invention play an important role in the production of ortho-aminophenols and their derivatives.
本发明的羟氨苯歧位酶及其编码基因将在邻氨基酚类芳香族化合物及其相关衍生化合物的生产中发挥重要作用。
Avoid exposure to benzene, formaldehyde and its derivatives, such as the use of substandard benzene, formaldehyde concentrations of families decoration materials, pesticides, gasoline, painting.
避免接触苯、甲醛及其衍生物，如使用含超标苯、甲醛浓度的家庭装修材料、农药、汽油、油漆等。
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