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Guiyang

(Encyclopedia)Guiyang or Kweiyang both: gwā-yäng [key], city (1994 est. pop. 1,131,200), capital of Guizhou prov., SW China. On the main road from Kunming to Chongqing, it is also a rail (since 1959) and industri...

Kanawha

(Encyclopedia)Kanawha kənôˈwə [key], principal river of W.Va., 97 mi (156 km) long, formed by the confluence of the New and Gauley rivers, S central W.Va., and flowing NW to the Ohio River at Point Pleasant; Ch...

sneeze gas

(Encyclopedia)sneeze gas, poison gas used in riot control and chemical warfare. It is highly irritating to the nose and throat; inhalation of the substance causes sneezing and coughing, but rarely causes permanent ...

Brus, Louis

(Encyclopedia)Louis Brus, 1943– , b. Cleveland, Ohio, American chemist, studied at Rice University (B.S., 1965) and Columbia University (Ph.D., 1969). He is Samuel ...

Perm

(Encyclopedia)Perm pyĕrm [key], city (1990 est. pop. 1,090,000), capital of Perm Territory, NE European Russia, on the Kama River. It is a transfer center for rail and river traffic and a major producer of machine...

Wuzhou

(Encyclopedia)Wuzhou wo͞oˈjōˈ [key], city (1994 est. pop. 236,200), E Guangxi Zhuang Autonomous Region, S China, a port on the Xi River at the mouth of the Gui River. It is an important trade and shipping cente...

Yibin

(Encyclopedia)Yibin ē-bĭn [key], city (1994 est. pop. 261,300), S Sichuan prov., China. It is a commercial and communications center at the junction of the Min and the Chang rivers, the last port for upriver traf...

Whitehaven

(Encyclopedia)Whitehaven hwītˈhāvən [key], town (1991 pop. 27,512), Cumbria, NW England, at the mouth of Solway Firth. Whitehaven is a seaport and industrial town. There are chemical works, iron foundries, and ...

Cartesian coordinates

(Encyclopedia)CE5 Cartesian coordinates Cartesian coordinates kärtēˈzhən [key] [for René Descartes], system for representing the relative positions of points in a plane or in space. In a plane, the point P...

poison gas

(Encyclopedia)poison gas, any of various gases sometimes used in warfare or riot control because of their poisonous or corrosive nature. These gases may be roughly grouped according to the portal of entry into the ...