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Andernach

(Encyclopedia)Andernach änˈdərnäkh [key], city, Rhineland-Palatinate, W Germany, a port on the Rhine River. Its manufactures include chemicals, metals, synthetic fibers and related ...

patina

(Encyclopedia)patina pătˈənə [key], coating of carbonate of copper on articles of copper or bronze, formed after long exposure to a moist atmosphere or burial in the earth. Although commonly green, patina varie...

Jyväskylä

(Encyclopedia)Jyväskylä yüˈvăsküˌlă [key], city (1998 pop. 76,948), Western Finland prov., S central Finland. Situated on Lake Päijänne, it is an important port. Paper and wood products, metals, wool, and...

Steubenville

(Encyclopedia)Steubenville sto͞oˈbənvĭl [key], city (1990 pop. 22,125), seat of Jefferson co., E central Ohio, on the Ohio River; laid out c.1797, inc. as a city 1851. Its once significant steel and coking indu...

brazing

(Encyclopedia)brazing, method of joining metal parts using nonferrous filler metals with high melting points such as copper, silver, and aluminum alloys. Brazing differs from soldering (see solder) by using a highe...

tantalum

(Encyclopedia)tantalum tănˈtələm [key] [from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.94788; m.p. 2,996℃; b.p. 5,400±100℃; sp. gr. 16.65 at 20℃; valence +2, +3, +4, or +5....

bismuth

(Encyclopedia)bismuth bĭzˈməth [key] [Ger. Weisse Masse=white mass], metallic chemical element; symbol Bi; at. no. 83; at. wt. 208.98040; m.p. 271.3℃; b.p. about 1,560℃; sp. gr. 9.75 at 20℃; valence +3 or ...

Newport, city, Wales

(Encyclopedia)Newport, Welsh Casnewydd, city and unitary authority (1991 pop. 129,900), 74 sq mi (191 sq km), SE Wales, on the Usk River. Lumber, tea, automobiles, electronics, semiconductors, and aircraft are made...

Roanne

(Encyclopedia)Roanne rôänˈ [key], town (1990 pop. 42,848), Loire dept., E central France, on the Loire River. Cotton and metals are the chief products; other industries include tanning, machine and vehicle manuf...

Forlì

(Encyclopedia)Forlì fōrlēˈ [key], city, capital of Forlì prov., Emilia-Romagna, N central Italy. It is...