英语词汇“θ69354”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	θ69354
释义	the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkenes > straight-chained, by number of carbon atoms > two (3) etherene1842 = ethylene, n.; (also) butylene (rare). Cf. etherin, n. ethene1848 A flammable hydrocarbon gas of the alkene series, occurring in natural gas, coal gas, and crude oil and given off by ripening fruit; = ethylene, n.… ethylene1849 A gaseous hydrocarbon of the alkene series which occurs in natural gas, coal gas, and crude oil and is used in chemical synthesis, esp. in the…
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