| 单词 | critical pressure |
| 释义 | > as lemmascritical pressure critical pressure n. Physical Chemistry the pressure of a fluid at its critical point (critical point n. 2), above which liquid and vapour phases cannot exist in equilibrium. ΘΚΠ the world > matter > chemistry > physical chemistry > phases > [noun] > critical points > critical pressure critical pressure1878 1878 W. Garnett Elem. Treat. Heat (ed. 2) vi. 109 In order to obtain a substance in the critical state it is necessary not only to adjust the temperature to the critical point, but also the pressure to what may be called critical pressure. 1922 T. M. Lowry Inorg. Chem. xxii. 248 The critical temperature of water, above which it cannot be retained in a liquid state, is 374°; at this temperature water has a density of only 0.329 and exerts a maximum vapour pressure or critical pressure of 217 atmospheres. 2004 A. Moisseytsev & D. T. Matonis in Nucl. Production Hydrogen: Second Information Exchange Meeting (O.E.C.D. Nucl. Energy Agency) 279 The CO2 is cooled down to almost the critical pressure and temperature. < as lemmas |
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