| 单词 | hydrogen ion |
| 释义 | > as lemmashydrogen ion hydrogen ion n. the positive ion H+ (the proton) derived from a hydrogen atom by the loss of its electron; a solvated form of this in a solution, esp. the hydrated form H3O+ (cf. hydronium n.). ΘΚΠ the world > matter > chemistry > elements and compounds > hydrogen > [noun] > ions hydrogen ion1896 hydrion1901 hydronium1908 1896 Jrnl. Chem. Soc. 70 ii. 638 Etherification occurring, with or without the addition of a catalysing acid, is primarily caused by the activity of the hydrogen ions present. 1935 Discovery Nov. 322/1 Every process of manufacture is subject to constant scientific control, regulating temperature, humidity,..hydrogen-ion concentration. 1939 L. Pauling Nature Chem. Bond ix. 266 The positive hydrogen ion is a bare proton. 1942 S. Glasstone Introd. Electrochem. ix. 308 The hydrogen ion in solution is not to be regarded as a bare proton, but as a combination of a proton with, at least, one molecule of solvent. 1968 M. S. Livingston Particle Physics vi. 120 Experiments on the deflection of hydrogen-ion beams in electric and magnetic fields. < as lemmas |
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