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单词 spray drying
释义 spray drying
(stress variable)
Also spraydrying.
[spray n.2 or v.4]
A method of drying foodstuffs, ceramic materials, etc., by spraying finely-divided particles of the substance into a current of hot air or another gas, the water in the particles being rapidly evaporated.
1921Jrnl. Industr. & Engin. Chem. May 448/2 Spray drying is comparatively expensive, mainly because it is impossible to utilize all the heat going through the drying chamber.1946[see flash-drying vbl. n. s.v. flash n.2 14 b].1968Economist 15 June 64/3 The dried milk market, so far dominated by Cadbury's ‘Marvel’ which is the product of an improved spray drying technique, is worth around {pstlg}3 million a year.
Hence (as a back-formation) spray-dry v. trans.; spray-dried ppl. a.; spray drier, a machine or installation that performs spray drying.
1921Jrnl. Industr. & Engin. Chem. May 448/2 It is very difficult to give the cost of operating a spray dryer either in dollars or in heat units.1932Bull. Hannah Dairy Res. Inst. No. 3. 134 Rancidity appeared less frequently in roller-dried than in spray-dried powders.1945Biochem. Jrnl. XXXIX. p. xxvi, We have examined..the biological value of the proteins (nitrogen) of a sample of spray dried milk manufactured in 1939.1950Thorpe's Dict. Applied Chem. (ed. 4) x. 197/2 The essential features in spray-drying eggs are the avoidance of scorching..and the production of a powder containing not more, and preferably less, than 5% moisture.1961M. Hynes Med. Bacteriol. (ed. 7) xii. 196 More than 10 per cent of imported spray-dried egg contain live Salmonellæ.1967M. Chandler Ceramics in Mod. World ii. 62 The spray dryer consists of a cylindrical drum..with a conical outlet at the bottom.1971Sci. Amer. Oct. 5/3 (Advt.), Our engineers solved the..problem..by spray-drying it [sc. powdered ceramic] in a blast of hot air.1979A. L. Lydersen Fluid Flow & Heat Transfer vi. 167 A spray dryer for detergent containing 45 weight% water.
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