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Colón, city, Cuba

(Encyclopedia)Colón kōlōnˈ [key], city (1994 est. pop. 44,000), Matanzas prov., W central Cuba. It is a rail hub and commercial center for the surrounding agricultural region. Colón's sugar industry has declin...

Alajuela

(Encyclopedia)Alajuela älähwāˈlä [key], city (1995 est. pop. 48,645), capital of Alajuela prov., central Costa Rica. In the Central Valley, it is a leading commercial center for the sugar and livestock industr...

David, city, Panama

(Encyclopedia)David dävēdˈ [key], city, capital of Chiriquí prov., SW Panama. It is a regional commerci...

Ulsan

(Encyclopedia)Ulsan o͞olˈsänˈ [key], city (1995 pop. 333,178), SE South Korea, an independent metropolitan city and a port on the Korea Strait. Once a fishing port and agricultural center, it is now an industri...

Pardubice

(Encyclopedia)Pardubice pärˈdo͝obĭtsĕ [key], Ger. Pardubitz, city (1991 pop. 94,636), N central Czech Republic, in Bohemia, on the Elbe River. Its chief economic activities are engineering, oil refining and su...

Zworykin, Vladimir Kosma

(Encyclopedia)Zworykin, Vladimir Kosma zwôˈrĭkĭn [key], 1889–1982, American physicist, b. Russia, educated in Russia, at the Collège de France, and at the Univ. of Pittsburgh (Ph.D., 1926). He became an Amer...

Avogadro's number

(Encyclopedia)Avogadro's number ävōgäˈdrō [key] [for Amedeo Avogadro], number of particles contained in one mole of any substance; it is equal to 602,252,000,000,000,000,000,000, or in scientific notation, 6.0...

Kajita, Takaaki

(Encyclopedia)Kajita, Takaaki 1959–, Japanese physicist, Ph.D. Univ. of Tokyo, 1986. In 1988 he joined the faculty at the Univ. of Tokyo, where he is now professor and director of the Institute for Cosmic Ray Res...

Candela, Felix

(Encyclopedia)Candela, Felix (Félix Candela Outeriño) fāˈlēks kändāˈlä [key], 1910–97, Mexican-American architect, b. Madrid. Candela studied in Madrid but was forced to flee Spain after his participatio...

amyloplast

(Encyclopedia)amyloplast ămˈəlōplăstˌ [key], also called leucoplast, a nonpigmented organelle, or plastid, occurring in the cytoplasm of plant cells. Amyloplasts transform glucose, a simple sugar, into starch...