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sintering

(Encyclopedia)sintering, process of forming objects from a metal powder by heating the powder at a temperature below its melting point. In the production of small metal objects it is often not practical to cast the...

Rheinhausen

(Encyclopedia)Rheinhausen rīnˈhouˌzən [key], former town, North Rhine–Westphalia, NW Germany, a port on the Rhine River; chartered 1934. Manufactures include metal products, machinery, textiles, mining and ch...

stellar structure

(Encyclopedia)stellar structure, physical properties of a star and the processes taking place within it. Except for that of the sun, astronomers must draw their conclusions regarding stellar structure on the basis ...

Dzerzhinsk

(Encyclopedia)Dzerzhinsk dzĭrzhēnskˈ [key], city (1989 pop. 285,000), W European Russia, a port on the Oka River above. There is a huge chemical complex there. The city was called Chernorech until about 1919 and...

ferric sulfate

(Encyclopedia)ferric sulfate or iron (III) sulfate, chemical compound, Fe2(SO4)3, a yellow rhombic crystalline hygroscopic water-soluble salt that decomposes when heated to a temperature of 480℃. The enneahydrate...

Fowler, William Alfred

(Encyclopedia)Fowler, William Alfred, 1911–95, American nuclear astrophysicist, b. Pittsburgh. While a professor at the California Institute of Technology, Fowler studied how chemical elements are formed in nucle...

Houma

(Encyclopedia)Houma hōˈmə [key], city (2020 pop. 33,406), seat of Terrebonne parish, SE La.; inc. 1848. ...

Morgantown

(Encyclopedia)Morgantown, city (1990 pop. 25,879), seat of Monongalia co., N W.Va., near the Pa. line, on the Monongahela River; inc. 1785. A shipping point for a coal and limestone region, it also has glass, chemi...

Mogi das Cruzes

(Encyclopedia)Mogi das Cruzes mo͝ozhēˈ däs kro͞oˈzəs [key], city (1996 pop. 314,947), São Paulo state, SE Brazil, on the Tietê River. It is an industrial center and an agricultural distribution point for S...

Nanping

(Encyclopedia)Nanping yänˈ– [key], city (1994 est. pop. 211,700), N central Fujian prov., China, on the upper Min River. An important rail hub, it has expanded from a regional market town to include cement, pap...