单词 | ice iii |
释义 | > as lemmasice III c. Chemistry. With following letter(s): any of a series of crystallized forms of water with modified structures, existing under different (often extreme) conditions of pressure and temperature, as ice II, ice III, etc. ice I n. (more fully ice Ih) the ordinary (hexagonal) form of ice, existing under normal conditions. [After German Eis I, Eis II, Eis III (G. Tammann 1900, in Ann. der Physik 2 1).] ΚΠ 1900 Science 22 June 994/2 Counting these three kinds of ice, five forms of water are now known, namely, vapor, liquid, ice I. (common ice), ice II., and ice III. 1922 T. M. Lowry Inorg. Chem. xxii. 248 Under very high pressures, exceeding 2000 atmospheres, water freezes to an ice which is denser than the liquid. This dense ice, when cooled to the temperature of liquid air, can be preserved even when the pressure is removed; it is then found to sink in liquid air whilst ordinary light ice floats. 1968 E. Whalley et al. in Jrnl. Chem. Physics 48 2365/1 The new phase is sufficiently different from ice III to warrant a new name, and the designation ‘ice IX’ is proposed. 1970 H. S. Frank in Science 14 Aug. 640/3 Strictly speaking, this should now be called Ice Ih, to distinguish it from the cubic material (Ice Ic) which can be formed at low temperatures and from Ices II through VIII which exist in various temperature-pressure ranges. 1988 J. McPhee Los Angeles Against Mountains in Control of Nature (1989) 230 Kamb..discovered, among other things, the structures of the high-pressure forms of ice: ice II through ice IX. 1999 Nature 27 May 333/1 An analogous system..is a magnet with the pyrochlore structure—termed ‘spin ice’—where spin orientation plays a similar role to that of the hydrogen position in ice Ih. < as lemmas |
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