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Cherepovets

(Encyclopedia)Cherepovets chĕrĭpəvyĕtsˈ, chĕrĭpôˈvyĭts [key], city (1989 pop. 310,000), NE European Russia, on the Rybinsk Reservoir. A rail and water transportation center of the Volga-Baltic Waterway, i...

Coleraine

(Encyclopedia)Coleraine kōlrānˈ [key], town and district, N Northern Ireland, near the mouth of the Bann ...

Chaptal, Jean Antoine

(Encyclopedia)Chaptal, Jean Antoine zhäN äNtwänˈ shäptälˈ [key], 1756–1832, French chemist, industrialist, and statesman. He became (1781) professor of chemistry at Montpellier, and during the Revolution h...

detonator

(Encyclopedia)detonator dĕˈtənāˌtər [key], type of explosive that reacts with great rapidity and is used to set off other, more inert explosives. Fulminate of mercury mixed with potassium chlorate is a common...

van't Hoff, Jacobus Hendricus

(Encyclopedia)van't Hoff, Jacobus Hendricus yäkōˈbəs hĕndrēˈkəs vänt hôf [key], 1852–1911, Dutch physical chemist. He taught at the universities of Amsterdam (1878–96) and Berlin (from 1896). For his ...

Qostanay

(Encyclopedia)Qostanay, Kostanay, or Kustanay all: ko͝osˌtənīˈ [key], city (1993 est. pop. 228,000), N Kazakhstan, on the Tobol River. It is an agricultural center and producer of chemical fibers. Rich iron d...

Omuta

(Encyclopedia)Omuta –dä [key], city (1990 pop. 150,453), Fukuoka prefecture, W Kyushu, Japan, a port on the Amakusa Sea. With conversion from coal to petroleum in the 1960s, Omuta's coal mining decreased, which ...

Heyrovsky, Jaroslav

(Encyclopedia)Heyrovsky, Jaroslav, 1890–1967, Czech chemist, Ph.D. Charles Univ. of Prague, 1918; D.Sc. University College, London, 1921. Heyrovsky was director of the Polarography Institute at the Czechoslovak A...

Hodgkin, Sir Alan Lloyd

(Encyclopedia)Hodgkin, Sir Alan Lloyd, 1914–98, English biophysicist. For their work in analyzing the electrical and chemical events in nerve-cell discharge, he and Andrew Huxley shared with Sir John Eccles the 1...

Hefei

(Encyclopedia)Hefei or Hofei both: hô-fā [key], city (1994 est. pop. 866,800), capital of Anhui prov., China. A rapidly growing industrial city, it has textile mills, ironworks and steelworks, chemical and food p...