evaporation discharge
111fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
112Sahara — Saharan, Saharian, adj. /seuh har euh, hair euh, hahr euh/, n. 1. a desert in N Africa, extending from the Atlantic to the Nile valley. ab. 3,500,000 sq. mi. (9,065,000 sq. km). 2. any arid waste. * * * Largest desert in the world, encompassing… …
113Chad, Lake — Lake, western Africa. Located at the juncture of the boundaries of Nigeria, Niger, and Chad, its southern part forms the northern extent of Cameroon. Fed by the Chari River, its area varies from year to year, usually ranging between 3,800 and… …
114Holocene Epoch — formerly Recent Epoch Latest interval of the Earth s geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the… …
115mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
116advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… …
117Tigris-Euphrates river system — ▪ river system, Asia Introduction great river system of Southwest Asia, comprising the Tigris and Euphrates rivers, which have their sources within 50 miles (80 km) of each other in eastern Turkey and travel southeast through northern Syria and… …
118VRLA battery — A valve regulated (sealed) lead–acid battery A VRLA battery (valve regulated lead–acid battery) is a type of low maintenance lead–acid rechargeable battery. Because of their construction, VRLA batteries do not require regular addition of water to …
119Miller–Urey experiment — The experiment The Miller and Urey experiment[1] (or Urey–Miller experiment)[2] was an experiment that simulated hypothetical conditions thought at the time to be present on the earl …
120Amu Darya — Coordinates: 44°06′30″N 59°40′52″E / 44.10833°N 59.68111°E / 44.10833; 59.68111 …
