“Friedel–Crafts reactions”的概念、定义、翻译、参考文献-科学参考

单词	Friedel–Crafts reactions
释义	Friedel–Crafts reactions Chemical Engineering Catalyzed chemical reactions that involve the alkylation and acylation reaction of aromatics. An example is the production of toluene from benzene using chloromethane in the presence of aluminium chloride catalyst. $C_{6} H_{6} + C H_{3} C l \to C_{6} H_{5} C H_{3} + H C l$ The reactions are named after French chemist Charles Friedel (1832–99) and American chemist James Craft (1839–1917).
随便看	Leningrad, Siege of (September 1941–January 1944) Lenin, Vladimir Ilich (1870–1924) Lenin, Vladimir Ilyich (1870–1924) Lennard-Jones, Sir John Edward Lennard–Jones potential Lenoir, William Benjamin (1939–2010) Lenovo Group Ltd lens Lense–Thirring effect lens, gravitational lenticel lenticula lenticulae lenticular bedding lenticular cloud lenticular galaxy lenticularis lentil Lenz, Heinrich Friedrich Emil Lenz’s law LEO Leo Leo III (680–741) Leo I, St (390–461) Leo IX, St (1002–54)

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。