1.States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.
阐述乙炔以及碳氢化合物空分装置中具有的潜危险性,并正常生产中的预防措施。
2.The function of hydrocarbons and nitrogen oxides in photochemical smog formation and the formative process of ozone and peroxyacetyl nitrate are discussed.
3.In a testing of petrolic engine, about 70% to 80% of nonmethane hydrocarbon is emitted into atmosphere without catalysis conversion in theoment of coldstart, so that serious pollution is produced.