音標(biāo)發(fā)音英式音標(biāo) [?bju?.te?n]美式音標(biāo) [?bju?ten]國際音標(biāo) ['bju:tein]英式發(fā)音 美式發(fā)音 基本解釋n. [有化] 丁烷同根派生 butane相關(guān)詞英漢例句The main component in 4 # solvent is liquefied butane.四 號(hào) 溶劑主要成分為液化丁烷.Butane and butylenes has the same characteristic with propane and propylene.丁烯與丁烷表現(xiàn)出與丙烯、丙烷相似的特性.The butane conversion of catalyst aged in different pH has similar value.在不同pH值老化的催化劑先驅(qū)體,經(jīng)活化后對(duì)丁烷的轉(zhuǎn)化率基本相同.The main component in 4 # solvent is liquefied butane.四 號(hào) 溶劑主要成分為液化丁烷.Butane and butylenes has the same characteristic with propane and propylene.丁烯與丁烷表現(xiàn)出與丙烯、丙烷相似的特性.butane更多例句詞組短語短語butane atmospheres 丁烷爐氣butane carrier 丁烷運(yùn)輸船butane cracking 丁烷裂解butane gas 丁烷氣butane content 丁烷含量butane更多詞組英英字典劍橋英英字典 a gas obtained from petroleum, used in its liquid form as a fuel柯林斯英英字典 Butane is a gas that is obtained from petroleum and is used as a fuel. butane劍橋字典butane柯林斯字典專業(yè)釋義化學(xué)丁烷With the increase of WHSV,Light olefins selectivity increased, but WHSV above 1.2h-1 was not conducive to the reaction;Rising temperature restrain hydrogen transfer reaction,cause the decline of butane production. At the same time,ethylene production and methane production were significantly increased as a result of cracking strength.考察了反應(yīng)溫度和液空時(shí)速對(duì)反應(yīng)的影響,隨著液空時(shí)速的增加,低碳烯烴的選擇性有所提高,但是高于1.2h-1就不利于反應(yīng);升溫抑制了氫轉(zhuǎn)移反應(yīng)的進(jìn)行,丁烷的產(chǎn)率下降,同時(shí)由于裂解強(qiáng)度的加強(qiáng),乙烯和甲烷的產(chǎn)率皆上升。生物學(xué)丁烷