Oradea (orä`dyä) or Oradea-Mare (–mä`rĕ), Hung. Nagyvárad, Ger. Grosswardein, city (1990 pop. 228,956), W Romania, in Crişana-Maramureş, near the Hungarian border. It is the marketing and shipping center for a livestock and agricultural region. Oradea is also an important industrial city with manufactures of machinery, mining equipment, and chemicals. There are health resorts nearby. The city was made (1083) the seat of a Roman Catholic bishop by King Ladislaus I of Hungary. Destroyed (1241) by the Tatars, it was rebuilt in the 15th cent. Oradea was held by the Turks from 1660 to 1692. Hungary ceded it (1919) to Romania after World War I, but Hungarian forces occupied the city during World War II. About half the population is Magyar. Most of the city's architecture is baroque, dating from the reign of Maria Theresa.
Oradea
Oradea
Oradea
an industrial city in NW Romania, in Transylvania: ceded by Hungary (1919). Pop.: 182 000 (2005 est.)
Oradea
a city in western Rumania, in the Central Danubian Lowland, in the Crişul-Repede River valley. Administrative center of Bihor District. Population, 144,600 (1972). Transportation junction.
Oradea has light industry (about one-third of the city’s gross industrial product, including footwear, fabrics, knitwear, and garments) and various types of food industry (more than one-fourth
Figure 1. Circuits and output characteristics of optrons with a photoresistor (a), photodiode (b), and photothyristor (c): (1) semiconductor light-emitting diode, (2) photoresistor, (3) photodiode, (4) photothyristor, (U) and (l) voltage and current in the output circuit of the optron. The dotted curves correspond to zero current in the input circuit; the solid curves correspond to two different values of the input current.
of the gross product). There are enterprises of nonferrous metallurgy (production of alumina), machine building (metal-working machine tools), the chemical industry (varnish, paint, and pharmaceuticals), and the furniture, printing, and building-materials industries. Oradea has a heat and electric power plant.
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