refinery yield
81Negros Occidental —   Province   Seal …
82Nuclear reaction — In nuclear physics and nuclear chemistry, a nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, or high energy electron) from outside the atom …
83Puddling (metallurgy) — Puddling was an Industrial Revolution means of making iron and steel. In the original puddling technique, molten iron in a reverberatory furnace was stirred with rods, which were consumed in the process. Later, it was also used to produce a good… …
84De-asphalter — A de asphalter is a unit in a crude oil refinery or bitumen upgrader that separates asphalt from crude oil or bitumen. The de asphalter unit is usually placed after the vacuum distillation tower. It is usually a solvent de asphalter unit, SDA.… …
85Andhra Pradesh — /ahn dreuh preuh daysh / a state in SE India, formed from portions of Madras and Hyderabad states 1956. 48,630,000; 105,963 sq. mi. (274,444 sq. km). Cap.: Hyderabad. * * * State (pop., 2001 prelim.: 75,727,541), southeastern India. Located on… …
86Assam — /as sam /, n. a state in NE India. 17,810,000; 85,012 sq. mi. (220,181 sq. km). Cap.: Shillong. * * * State (pop., 2001 prelim.: 26,638,407), northeastern India. With an area of 30,285 sq mi (78,438 sq km), Assam borders Bhutan and Bangladesh and …
87Europe — /yoor euhp, yerr / for 1; /yoo roh pee, yeuh / for 2, n. 1. a continent in the W part of the landmass lying between the Atlantic and Pacific oceans, separated from Asia by the Ural Mountains on the E and the Caucasus Mountains and the Black and… …
88oil shale — Geol. a black or dark brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. [1870 75] * * * Any fine grained sedimentary rock that contains solid organic matter (kerogen) and yields significant… …
89lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …
90Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …
