| 单词 | atomic hydrogen |
| 释义 | > as lemmasatomic hydrogen atomic hydrogen n. Science hydrogen that is dissociated into separate atoms rather than existing in the molecular form (H2); cf. sense A. 5. ΘΚΠ the world > matter > chemistry > elements and compounds > hydrogen > [noun] > atomic atomic hydrogen1896 hydrogen1920 1896 Jrnl. Amer. Chem. Soc. 18 284 Because of its formation from molecular oxygen and atomic hydrogen, Traube wrote the symbol: H.O:O.H [for hydrogen peroxide]. 1930 H. Chatley Princ. Rocket Propulsion 5 Esnault-Pelterie..discusses the possibility of using atomic hydrogen as the propellant but little is known of this highly active material. 2001 Science 30 Nov. 1914/2 Decomposition of H2 to atomic hydrogen by ionospheric processes determines the extent of escape of hydrogen to space. < as lemmas |
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