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polyurethanes

(Encyclopedia)polyurethanes pŏlˌēyo͝orˈəthānz [key], group of plastics that may be either thermosetting or thermoplastic. Polyurethane can be made into both flexible and rigid foams. The flexible foam is oft...

Hamtramck

(Encyclopedia)Hamtramck hămtrămˈĭk [key], city (2020 pop. 28,433), Wayne co., SE Mich., within the confines ...

Hanover, cities, United States

(Encyclopedia)Hanover. 1 Town (2020 pop. 14,833), Plymnouth co., SE Mass.; settled 1649, inc. 1727. An iron forge was located there that produced anchors and ...

Karplus, Martin

(Encyclopedia)Karplus, Martin, 1930–, Austrian-American theoretical chemist, b. Vienna, Ph.D. California Institute of Technology, 1953. He has been a professor at Harvard since 1967, studying the electronic struc...

Kent, cities, United States

(Encyclopedia)Kent. 1 Industrial city (1990 pop. 28,835), Portage co., NE Ohio; settled in 1805 as Franklin Mills, combined with Carthage and renamed as Kent 1863, inc. as a city 1920. Machinery and processed foods...

Pittsburg

(Encyclopedia)Pittsburg pĭtsˈbərg [key]. 1 Industrial city (1990 pop. 47,564), Contra Costa co., W Calif., on the edge of the San Francisco Bay area, at the junction of the Sacramento and the San Joaquin rivers;...

Bentonville

(Encyclopedia)Bentonville, city (2020 pop. 54,164), seat of Benton co., extreme NW Ark., in the Ozark Mts.; settled 1837 and named for Senator Thomas Hart Benton. Loc...

Warshel, Arieh

(Encyclopedia)Warshel, Arieh, 1940–, Israeli-American chemist, b. Kibbutz Sde Nahum (in what is now Israel), Ph.D. Weizmann Institute, 1969. He has been a professor at the Univ. of Southern California since 1976....

casein

(Encyclopedia)casein kāˈsēn [key], well-defined group of proteins found in milk, constituting about 80% of the proteins in cow's milk, but only 40% in human milk. Casein is a remarkably efficient nutrient, suppl...

Longview

(Encyclopedia)Longview. 1 City (1990 pop. 70,311), seat of Gregg co., E Tex.; inc. 1872. It is a manufacturing, business, and distribution center for the rich East Texas oil field. The city has oil and natural-gas ...