• 基礎釋義
• 例句

• The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials. 以正庚醛 、 硫代硫酸鈉和溴代正丁烷為原料,合成了正庚醛正丁硫醇縮醛.
• Tetrahydrothiophene was synthesized using iodine as a catalyst from 1, 4 - dichlorobutane and sodium sulfide. 以1, 4- 二氯丁烷和硫化鈉為原料,碘為催化劑,乙醇為溶劑合成了四氫噻吩.
• Di - Grignard Reagent and mono Grignard Reagent were prepared using 1, 4 - dibromobutane. 以1, 4- 二溴丁烷為原料,分別制備了雙格氏試劑和單格氏試劑.
• Cyclobutane exists predominantly in a " butterfly " conformation. 環丁烷主要成 “ 蝶式 ” 構象存在.
• Its main components include propane, butane and butylene. 主要成份是丙烷 、 丁烷、丁烯等.
• 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體,經活化后對丁烷的轉化率基本相同.
• Butane and butylenes has the same characteristic with propane and propylene. 丁烯與丁烷表現出與丙烯、丙烷相似的特性.
• The main component in 4 # solvent is liquefied butane. 四 號 溶劑主要成分為液化丁烷.
• ...replaceable butane gas cartridges. 可替換丁烷氣貯氣瓶