unit cell — In crystallography, the smallest fragment of a crystal that is exactly reproduced in the construction of the crystal lattice. Opposite sides of a unit cell are parallel, and the distances along the edges measure unit cell size. In the description … Petroleum refining glossary
Power supply unit (computer) — Power supply unit with top cover removed A power supply unit (PSU) supplies direct current (DC) power to the other components in a computer. It converts general purpose alternating current (AC) electric power from the mains (110 V to… … Wikipedia
Communication Management Unit — is a recent designation for a self contained group within a facility in the United States Federal Bureau of Prisons that severely restricts, manages and monitors all outside communication (telephone, mail, visitation) of inmates in the unit.… … Wikipedia
fluid catalytic cracking unit — abbr. FCCU Fluid catalytic cracking unit. Process equipment for carrying out the FCC process … Petroleum refining glossary
Channel Service Unit — Abbreviated CSU. A device that functions as a certified safe electrical circuit, acting as a buffer between the customer s equipment and a public carrier s WAN. A CSU prevents faulty CPE (customer premises equipment), such as DSUs (data… … Dictionary of networking
Fluid catalytic cracking — (FCC) is the most important conversion process used in petroleum refineries. It is widely used to convert the high boiling hydrocarbon fractions of petroleum crude oils to more valuable gasoline, olefinic gases and other products.cite book|author … Wikipedia
Crystal structure — In mineralogy and crystallography, crystal structure is a unique arrangement of atoms or molecules in a crystalline liquid or solid. A crystal structure is composed of a pattern, a set of atoms arranged in a particular way, and a lattice… … Wikipedia
White Spaces Coalition — The White Spaces Coalition consists of eight large technology companies that plan to deliver high speed broadband internet access to consumers via existing white space in unused analog television frequencies. The coalition expects speeds of 10… … Wikipedia
Oil refinery — Anacortes Refinery (Tesoro), on the north end of March Point southeast of Anacortes, Washington An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful petroleum products,… … Wikipedia
Hydrodesulfurization — (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils.[1][2] The purpose of removing the sulfur is to … Wikipedia
