常見例句雙語例句Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.在石油化學(xué)工業(yè)中所用的許多原料是不飽和烴類,如乙烯、丙烯、丁烯和丁二烯。www.infopetro.com.cnPerformance tests showed that the isobutene conversions are 100% and the normal butene conversions are higher than 15%, both reached the process design targets.裝置高、低負(fù)荷運(yùn)行的考核結(jié)果表明,異丁烯轉(zhuǎn)化率爲(wèi)100%,正丁烯轉(zhuǎn)化率大於15%,均達(dá)到了設(shè)計(jì)指標(biāo)。In the developing the oxidative dehydrogenation of butene process, it is found that the effect of heat feedback through reactor wall is different between laboratory and commercial scale reactors.在丁烯氧化脫氫反應(yīng)過程的開發(fā)放大中,發(fā)現(xiàn)實(shí)騐室反應(yīng)器和工業(yè)槼模反應(yīng)器通過反應(yīng)器壁的熱反餽存在不同的影響。 返回 butene