Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.化学方法包括酸洗法 、 皂化法 、 酰化法和酯化法等.Iso - army gall...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The rate of hydrolysis is for the most part significantly lower than the esterification rate.多数情况下水解速度较酯化速度低得多.The esterification of xylitol and o...
Poor posture, sitting or walking slouched over, compresses the body's organs.坐着或者走路的时候低头垂肩,这种不正确的姿势会压迫体内的器官。Scowling, the lad slouched over.这个小家伙愁眉苦脸,一副垂头丧气的样子。The men were slouched on sofas and chairs.男人们无精打采地坐在沙发和...
目的研究旱生卷柏的化学成分.Object To study the chemical constituents of whole plant of Selaginella stauntoniana Spring.目的: 研究黄酮类化合物在11种卷柏属药用植物中的分布.Objective : To study the distribution of flavonoids among the plants for medicinal use...
You want half of my grammy's birthday money?你想问我要一半我祖母给我的钱?The 12 - time Grammy winner received countless awards and honorary college degrees.这位12项格莱美奖的得主获得过无数奖项和无数大学的荣誉学位.He will be attending next week's Ameri...