water-oil displacement
111Cyprus — /suy preuhs/, n. an island republic in the Mediterranean, S of Turkey: formerly a British colony; independent since 1960. 752,808; 3572 sq. mi. (9250 sq. km). Cap.: Nicosia. * * * Cyprus Introduction Cyprus Background: Independence from the UK… …
112permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
113Theories of general anaesthetic action — Structures of general anaesthetics widely used in medicine. A general anaesthetic (or anesthetic) is a drug that brings about a reversible loss of consciousness. These drugs are generally administered by an anaesthetist/anaesthesiologist in order …
114Methane clathrate — Burning ice . Methane, released by heating, burns; water drips. Inset: clathrate structure (University of Göttingen, GZG. Abt. Kristallographie). Source: United States Geological Survey. Methane clathrate, also called methane hydrate,… …
115Cylinder (engine) — Illustration of an engine cylinder with a cross section view of the piston, connecting rod, valves and spark plug. A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders… …
116Ford Straight-6 engine — Straight 6 Manufacturer Ford Motor Company Production 1941 1996 (US) 1960 present (AUS) 1961 1991 (ARG) …
117Supercharger — A supercharger is an air compressor used for forced induction of an internal combustion engine. The greater mass flow rate provides more oxygen to support combustion than would be available in a naturally aspirated engine, which allows more fuel… …
118Egypt — /ee jipt/, n. 1. Arab Republic of. a republic in NE Africa. 64,791,891; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958 71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta… …
119Sudan, The — officially Republic of the Sudan Country, North Africa. Area: 966,757 sq mi (2,503,890 sq km). Population (2002 est.): 37,090,000. Capital: Khartoum. Muslim Arab ethnic groups live in the northern and central two thirds of the country, while… …
120Social Protection — ▪ 2006 Introduction With medical costs skyrocketing and government programs scaled back, citizens bore more responsibility for their health care costs; irregular migration, human trafficking, and migrant smuggling posed challenges for… …
