(Encyclopedia) ArgunArgunärˈg&oomacr;nˈ [key], Mandarin Ergun, river, 950 mi (1,529 km) long, rising in the Da Hinggan Mts., Heilongjiang prov., NE China, as the Hailar River and flowing W to the…
(Encyclopedia) SassariSassarisäsˈsärē [key], city (1991 pop. 122,339), capital of Sassari prov., NW Sardinia, Italy. It is an administrative and agricultural trade center, handling cheese, wine,…
(Encyclopedia) Alcalá Zamora, NicetoAlcalá Zamora, Nicetonēthāˈtō älkäläˈ thämōˈrä [key], 1877–1949, Spanish statesman and president of Spain (1931–36). After holding several cabinet posts under the…
(Encyclopedia) Park City, town (1990 pop. 4,468), Summit co., N central Utah, in the Wasatch Range. A former mining town whose silver and other deposits were mined out, it was a nearly ghost town by…
(Encyclopedia) molybdenummolybdenumməlĭbˈdənəm [key] [Gr.,=leadlike], metallic chemical element; symbol Mo; at. no. 42; at. wt. 95.96; m.p. about 2,617℃; b.p. about 4,612℃; sp. gr. 10.22 at 20℃;…
(Encyclopedia) gasoline or petrol, light, volatile mixture of hydrocarbons for use in the internal-combustion engine and as an organic solvent, obtained primarily by fractional distillation and “…
(Encyclopedia) superconductivity, abnormally high electrical conductivity of certain substances. The phenomenon was discovered in 1911 by Heike Kamerlingh Onnes, who found that the resistance of…
(Encyclopedia) pipe, hollow structure, usually cylindrical, for conducting materials. It is used primarily to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry. It is also used…
(Encyclopedia) LávrionLávrionlävˈrēŏn [key] or LauriumLauriumlôrˈēəm [key], town (1991 pop. 8,846), E central Greece, in Attica; a port on the Aegean Sea. It is a mining, smelting, and shipping…
