دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

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

n: liquid chemical derived from benzene or from benzene and ammonia. It is used as a solvent and in the organic synthesis of other substances.

n: C6H7N, colourless and oil like liquid, tang and toxic. Usually used in measuring content of aromatic hydrocarbon in drilling fluid operation.

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.

n: the conversion of aliphatic or alicyclic compounds to aromatic hydrocarbons.

n: C6H6 colourless, volatile, flammable toxic liquid aromatic hydrocarbon used as a solvent and as a motor fuel.

an aromatic (cyclic or ring structure) compound, present in very minor quantities in many crude oils.

n: a saturated nonaromatic hydrocarbon compound with ring-shaped molecules. of the general chemical formula CnH2n Also called naphthene.

n: a process of petroleum refining in which straight-run, cracked, or mixed naphthas are passed over a solid catalyst at elevated temperatures and moderate pressures in the presence of added hydrogen or hydrogen-containing gases. The main chemical reactions are dehydrogenation and aromatization of the nonaromatic constituents of the naphtha to form either high-octane motor fuel or highgrade aviation gasoline high in aromatic hydrocarbons such as toluene and xylenes. Ninety percent of die sulphur contained in the naphtha is removed.