دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

adj: pertaining to sand or sandy rocks (such as arenaceous shale).

sand particles, 0.625 to 2 mm on the Udden-Wentworth scale.

adj: pertaining to a formation that consists of clay or shale (such as argillaceous sand).

rocks or substances composed of clay minerals, less than 0.625mm, or having a high proportion of clay in their composition such as shale

n: sandstone composed largely of feldspar grains and deriving from granitic source rocks.

A sandstone containing 25% or more of feldspar, usually derived from igneous rock.

n: a part made of coils of wire placed around a metal core, in which electric current is induced in a generator, or in which input current interacts with a magnetic field to produce torque in a motor.

shielding over a cable or other device that needs to be protected from crushing.

n: a corrosion-resistant metal case in which a glass-stem thermometer can be placed to minimise the risk of breakage.

n: The number of aromatic compound in hydrocarbon compound. It is a important target of detecting oil.

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.