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单词 propane
释义 propane Chem.|ˈprəʊpeɪn|
[f. propionic + -ane 2 b; introduced by Hofmann, 1866.]
1. The paraffin or saturated hydrocarbon C3H8, the third member of the series CnH2n + 2; a colourless gas occurring in petroleum, which liquefies at - 20°C. Also called propyl hydride.
1866Hofmann in Proc. Roy. Soc. XV. 58 note, The following names are formed: Methane, (CH4)°, Ethane, (C2H6)°, Propane, (C3H8)°, Quartane, (C4H10[etc.].1868Fownes' Chem. (ed. 10) 539. 1872 Watts Dict. Chem. VI. 957 Propane. C3H8. Propyl Hydride. This hydrocarbon, the third member of the marsh-gas or paraffin series..occurs among the gases evolved from the petroleum springs of North America.1880E. Cleminshaw Wurtz' Atom. The. 215 The three carbon atoms of the new hydrocarbon, propane, will thus form a chain firmly riveted by the very affinities which would have separated them from each other.Ibid. 288 Propyl hydride or propane may be formed in different ways.
2. attrib., as propane gas.
1974Janet Frazer Catal. Spring/Summer 458/4 Portable refrigerator... Suitable for use with Butane or Propane gas.1979‘J. Ross’ Rattling of Old Bones iii. 25 The propane-gas lamps..were flooding the cupboard with hissing white light.
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更新时间:2024/11/5 18:42:24