low-sulfur petroleum coke
61heavy oil and tar sand — Introduction crude oils (crude oil) below 20° API gravity are usually considered to be heavy. The lighter conventional crudes are often waterflooded to enhance recovery. The injection of water into the reservoir helps to maintain reservoir… …
62Slovakia — <p></p> <p></p> Introduction ::Slovakia <p></p> Background: <p></p> Slovakia s roots can be traced to the 9th century state of Great Moravia. Subsequently, the Slovaks became part of the Hungarian… …
63Oil shale in Estonia — Outcrop of Ordovician kukersite oil shale, northern Estonia Oil shale in Estonia is an important resource for the national economy. Estonia s oil shale deposits account for just 17% of total deposits in the European Union but the country… …
64Toluene — IUPAC name …
65Catalysis — Catalyst redirects here. For other uses, see Catalyst (disambiguation). Solid heterogeneous catalysts such as in automobile catalytic converters are plated on structures designed to maximize their surface area …
66Mississippi River — a major river of North America that flows from the US state of Minnesota to the Gulf of Mexico. It was called the ‘Father of Waters’ by Native Americans. It is 2 348 miles/3 778 kilometres long and passes the cities of Minneapolis, St Louis,… …
67Kentucky — Kentuckian, adj., n. /keuhn tuk ee/, n. 1. a state in the E central United States. 3,661,433; 40,395 sq. mi. (104,625 sq. km). Cap.: Frankfort. Abbr.: KY (for use with zip code), Ken., Ky. 2. a river flowing NW from E Kentucky to the Ohio River.… …
68Carbon — (), but as most compounds with multiple single bonded oxygens on a single carbon it is unstable.] Cyanide (CN–), has a similar structure, but behaves much like a halide ion (pseudohalogen). For example it can form the nitride cyanogen molecule… …
