释义 |
knall-gas Chem.|ˈknælgæs| Also knallgas and with capital initial. [a. G. knallgas, f. knall bang, detonation + gas gas.] Any explosive mixture of gases, esp. one of two volumes of hydrogen with one of oxygen.
1899R. E. Baynes tr. Meyer's Kinetic Theory of Gases iii. 86 (table) Knallgas. [Note] This is the mixture of hydrogen and oxygen produced by electrically decomposing water. 1923Jrnl. Chem. Soc. CXXIII. 1026 Berthelot measured the initial rates of the flame in hydrogen and in carbon monoxide Knall-gas..; he also made a similar series with hydrogen and with ethylene Knall-gas. 1924Nature 8 Mar. 373/2 The explosion of an undiluted 2 CO + O2 ‘knall-gas’. 1927Bone & Townend Flame & Combustion in Gases xxxiv. 432 In cases where excess of either hydrogen or oxygen was present in the system, the observed rate was still..proportional to the partial pressure of the ‘knall-gas’ present. 1969Ottaway & Irvine tr. Netter's Theoret. Biochem. iii. 72 The reverse reaction (the Knall-gas reaction) 2H2 + O2 = 2H2O releases the same energy [as is absorbed in the forward reaction]. |