دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pi: hydrocarbons that have a straight chain of carbon atoms. Compare aromatic hydrocarbons.

n pi: hydrocarbons derived from or containing a benzene ring. Many have an odour. Singlering aromatic hydrocarbons are the benzene series (benzene, ethylbenzenes, and toluene). Aromatic hydrocarbons also include naphthalene and anthracene. Compare aliphatic hydrocarbons.