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sulfide

(Encyclopedia)sulfide, chemical compound containing sulfur and one other element or sulfur and a radical. Sulfides may be salts or esters of hydrogen sulfide, H2S, or may be formed directly, e.g., by heating a meta...

borax

(Encyclopedia)borax or sodium tetraborate decahydrate sōˈdēəm tĕˌtrəbôrˈāt dĕkˌəhīˈdrāt [key], chemical compound, Na2B4O7·10H2O; sp. gr. 1.73; slightly soluble in cold water; very soluble in hot wa...

biophysics

(Encyclopedia)biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to explain such biolog...

Kemerovo

(Encyclopedia)Kemerovo kĕmˈərōˌvō [key], city (1989 pop. 520,000), capital of Kemerovo region, central Siberian Russia, on the Tom River and on a branch of the Trans-Siberian RR. It is a coal-mining center of...

Miyako

(Encyclopedia)Miyako mēyäˈkō [key], city (1990 pop. 58,505), Iwate prefecture, NE Honshu, Japan, on the Hei River and Miyako Bay. It is an important fishing port with large timber and chemical industries. The c...

Maizuru

(Encyclopedia)Maizuru mīˈzo͞oro͞o [key], city (1990 pop. 96,333), Kyoto prefecture, SW Honshu, Japan, on Maizuru Bay. It is an important port and naval base with the best natural harbor on the Japan Sea coast. ...

Ako

(Encyclopedia)Ako äkōˈ [key], city, Hyogo prefecture, W Honshu, Japan, on the Harima Sea. Relying on its steel and chemical industries, Ako has become one of Japan's most polluted in...

powder

(Encyclopedia)powder, any mass of fine particles or dust prepared by various mechanical means, e.g., grinding of solid substances, or by chemical means, e.g., precipitation from solutions. In a special sense, the w...

Sakai

(Encyclopedia)Sakai säkīˈ [key], city (1990 pop. 807,765), Osaka prefecture, S Honshu, Japan, on Osaka Bay at the mouth of the Yamato River. An industrial center, it has engineering, iron- and steelworks, chemic...

Samcheok

(Encyclopedia)Samcheok or Samchok sämˈchôkˈ [key], city (1995 pop. 83,815), Gangwon (Kangwon) prov., E South Korea, a port on the Sea of Japan (or East Sea). It is a large industrial center in the heart of a ri...