丙烷的例句（丙烷在句子中的用法）

• Fuel propane is scented with mercaptan odourants for leak detection. 燃料丙烷通常添加硫醇这种刺激性的物质用于泄漏检测.
• Propane may also be used as LPG. 丙烷也可用作液化石油气.
• A new method for preparation of isopropanolamine from ammonia and propylene oxide in methanol was reported. 研究了在甲醇介质中用氨和环氧丙烷制备异丙醇胺的新工艺.
• A new process of Hydration of propylene oxide to glycols was introduced. 采用反应精馏新工艺由环氧丙烷水合制丙二醇.
• Trimethylamine ( TMA ) and epichlorohydrin ( EPIC ) are used as raw materials to synthesize glycidyl - trimethylammonium chloride ( GTMAC ). 以环氧氯丙烷 ( EPIC ) 和三甲胺 ( TMA ) 为原料,常温气液相反应合成失水甘油基三甲基氯化铵 ( GTMAC ).
• Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis. 以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.
• The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane. 天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.
• Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction. 以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体.
• The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by amino grafting. 摘要以木质素磺酸钙 、 二乙胺和环氧氯丙烷为原料,通过接枝氨基,合成了木质素胺脱色絮凝剂.
• A new method for recovering 1, 2 - dichloropropane from waste liquor in propylene oxide production was developed. 介绍了从环氧丙烷生产废液中回收1, 2- 二氯丙烷的新方法.
• a propane gas cylinder 丙烷气钢瓶
• Trimethylsilyl cyclopropyl others can react with the gel the cyclopropanols when Lewis acid as ZnX 2. 环丙烷基硅醚在卤化锌的作用下能够与硅胶反应生成环丙基醇.
• Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %. 在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.
• The worldwide production processes of epoxy chloropropane from glycerol are introduced. 介绍了国内外甘油法环氧氯丙烷生产技术.
• Its main components include propane, butane and butylene. 主要成份是丙烷 、 丁烷、丁烯等.
• Butane and butylenes has the same characteristic with propane and propylene. 丁烯与丁烷表现出与丙烯、丙烷相似的特性.
• Methane and propane are alkanes. 甲烷和丙烷是烷烃。