单词	isobutane
释义	isobutane /ˌʌɪsəʊˈbjuːteɪn / noun [mass noun] Chemistry A gaseous hydrocarbon isomeric with butane. Chemical formula: CH3CH(CH3)2. And so, Kelley knew just what to do as 128.3 tons of vaporized poisons - including sulfur dioxide, hexane, carbon monoxide, isobutane - began sifting earthward.... The end result is the addition of isobutane to isobutylene to form isooctane, the molecule that is the basis of octane ratings seen at the gas pumps. Residents are exposed to photochemical smog, airborne particles, and alkane hydrocarbons (e.g., propane, isobutane, n-butane).
随便看	producership producibility producible product product champion product differentiation productibility productible productid production productional production brigade production costs production engineer production engineering productionise productionism productionist productionize productionized production line production number production platform production reactor production relations

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