Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...
Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Ethyl lact...
In 1766 he excommunicated the village for its "depraved diversion."1766年，他以“堕落地享乐”为由将那个村庄逐出教会。The church excommunicated him, and he gave them groats for pease , he excommunicated them.教会把他逐出教外, 他也用同一手段把他们逐出教外.Their churc...
Going to a private school had made her a snob...上私立学校后，她变得很势利。I was a thorough little academic snob.我那时是个目空一切、自以为是的小学术愤青。Kenneth is an arrogant, rude, social snob.肯尼斯是一个傲慢粗鲁只喜欢结交权贵的势利鬼。People want to buy designer labels ...
When launched, the Macintosh was the smallest desktop computer ever produced.当初上市的时候，麦金塔电脑是所有台式电脑里最小的。They also developed software for the Apple Macintosh.苹果电脑的软件也由他们制作." I'll send Dilcey over to MacIntosh." 我要派迪尔茜到...
She relayed the message, then frowned.她把消息带到了，然后皱紧了眉头。He relayed the message to his boss.他将这个消息转给了他的老板。She relayed the information to us.她向我们转达了那消息....