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ductility
(Encyclopedia) ductility, ability of a metal to plastically deform without breaking or fracturing, with the cohesion between the molecules remaining sufficient to hold them together (see adhesion and…León, city, Mexico
(Encyclopedia) León, city (1990 pop. 758,270), Guanajuato state, central Mexico. It is located in a fertile river valley c.5,600 ft (1,700 m) high, but with a mild, temperate climate. Frequent floods…bluestone
(Encyclopedia) bluestone, common name for the blue, crystalline heptahydrate of cupric sulfate called chalcanthite, a minor ore of copper. It also refers to a fine-grained, light to dark colored blue…Beja
(Encyclopedia) Beja Beja bāˈzhə [key], town, S Portugal, capital of Beja dist. and Baixo Alentejo. It is…type metal
(Encyclopedia) type metal, alloy of lead with antimony, tin, and sometimes copper, so named because of its one time extensive use for making printing type. Expanding upon solidification, the alloy…Naugatuck, city, United States
(Encyclopedia) NaugatuckNaugatucknôgˈətŭkˌ [key], industrial borough (1990 pop. 30,625), New Haven co., SW Conn., on both sides of the Naugatuck River; settled 1704, inc. 1844. In 1843, Charles…pyrite
(Encyclopedia) pyritepyritepīˈrīt [key] or iron pyritesiron pyritespīrīˈtēz, pə–, pīˈrīts [key], pale brass-yellow mineral, the bisulfide of iron, FeS2. It occurs most commonly in crystals (belonging…metallurgy
(Encyclopedia) metallurgymetallurgymĕtˈəlûrˌjē [key], science and technology of metals and their alloys. Modern metallurgical research is concerned with the preparation of radioactive metals, with…Jaén
(Encyclopedia) JaénJaénhäānˈ [key], city (1990 pop. 109,338), capital of Jaén prov., S Spain, in Andalusia. It is a marketing and distribution center for a fertile area producing olive oil and wine.…Joensuu
(Encyclopedia) JoensuuJoensuuyôˈĕns&oomacr; [key], city (1998 pop. 51,113), Eastern Finland prov., SE Finland. It is the trade center of the forest region of NE Karelia, has plywood mills, and is…Trending
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