| 释义 |
fluidize, v.|ˈfluːɪdaɪz|
[f. fluid + -ize.]
1. trans. To convert into a fluid; to fluidify.
1855in Clarke Dict.
2. To cause (a mass of finely divided solid) to assume fluidity and other characteristics of a liquid by passing a current of gas, vapour, or liquid upwards through it.
1945Industr. & Engin. Chem. Apr. 332/2 The density of the powder is related to the air rate necessary to fluidize it. 1950Petroleum Refiner Sept. 191/1 Air serves to transfer catalyst to the regenerator and to fluidize the catalyst bed there. 1965Sci. Jrnl. June 65/1 Powder is transferred by pipe..and is fluidized whenever it is necessary to lift it vertically. 1967P. J. Wyllie Ultramafic & Related Rocks viii. 241/1 In the Mesozoic, the massive kimberlite was invaded by an influx of gases, fluidized, and carried upwards at low temperatures. 1968Coulson & Richardson Chem. Engin. (ed. 2) II. vi. 196 Systems fluidised with a liquid do not tend to give rise to bubbles.
So ˈfluidized ppl. a., esp. in fluidized bed; ˈfluidizing ppl. a. and vbl. n. Also ˈfluidizer, an apparatus in which fluidization is carried out.
1943Industr. & Engin. Chem. July 768/2 A fluidized mass can be circulated by application of the gas lift principle. 1947Chem. Engin. Progr. XLIII. 435/1 Drop in pressure due to gas travel though a bed of solids is practically independent of its velocity when smooth, dense phase fluidizing action takes place. 1949Industr. & Engin. Chem. June 1135/2 Heat transfer between the fluidized solid and the fluidizing gas. Ibid. 1227 (heading) Reaction of methane with copper oxide in a fluidized bed. 1954D. L. Reynolds in Amer. Jrnl. Sci. CCLII. 580 The conduit of the volcano was eroded and widened by fluidized solid particles. 1955Science News XXXVI. 69 (caption) Prototype of fluidizer. 1959Times Rev. Industry June 55/1 The growing importance of fluidizing techniques for the movement of materials in bulk. 1963Jrnl. Pharm. Sci. LII. 284 Fluidized bed drying of tablet granulations is at least 15 times faster than tray drying procedures. 1963Economist 31 Aug. 760/2 Everything from fluidised-bed coating with plastics to electrophoretic deposition. 1964New Scientist 24 Sept. 759/3 There are some interesting arguments in favour of the fluidiser as an auxiliary means of cooking. 1971Guardian 4 June 9/4 Suspended in a fluidised bed like pingpong balls in a funfair. |