crystallization的音标

Conclusion: Silica gel column chromatography and crystallization are simple and rapid Methods: To isolate gardenoside.结论: 柱层析和重结晶方法是简单、速分离栀子苷的有效办法.This paper advances the preparation method of erucamide by direct ammonol...

n.结晶化...

For protein crystallization, the main impact of precipitant is on the solvent.对于蛋白质的结晶，沉淀剂主要在溶剂上产生作用。Liquids may not be too viscous or be susceptible to crystallization.液体不能太粘稠，也不能易结晶。The wires usually have a tendency to...

n.[大气]龙卷风，陆龙卷，大雷雨，具有巨大破坏性的人（或事物）...

hemiasynergia的音标：hemiasynergia的英式发音音标为：['hi:mɪəsaɪnədʒə]hemiasynergia的美式发音音标为：['himɪrsaɪnədʒə]...

n.后代，后世，子孙，后裔，儿孙...

intonating的音标：...

岳父的猝死使他十分伤心。He had been deeply affected by the sudden death of his father-in-law.他 岳父 是个种植园经营者.His father - in - law is a plantation manager.在 岳父 的介绍下,我加入了俱乐部.I was invited to the club through the good offices of my fath...

美是一种态度，与年龄无关。Beauty is an attitude. It has nothing to do with age.努力过，失败过，没关系，屡战屡败，屡败屡战，每一次失败都比上一次更好。Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.人生就应该是快乐的，要抓住每一天，孩子们，让你们的生活变得非凡起来。Carpe diem. Se...

倍硫磷...

v.包围，围困，围攻( besiege的现在分词 )...

shutter的复数形式为：shutters...

“腺异位”的拼音为：...

n.涂擦剂...

“异草定”的英语可以翻译为：[化] isocil ...

The key step was a substrate controlled asymmetric heteroatom conjugated addition.关键反应为底物控制的不对称杂原子共轭加成反应....

crow的近义词有：boast, brag, crow, pride。下面这些动词均含有"自夸，吹嘘"的含义：boast：普通用词，指对自己所做的事，自己的长处、财富以及家庭等的夸耀，常含言过其实的意味。brag：非正式用词，其夸耀和吹嘘意味强于boast，到了过分夸大，有时令人讨厌的地步。crow：多指大声吵嚷地吹嘘，夸耀自己做某事比他人做得好。pride：与boast的意义较接近，指炫耀、夸口，自鸣得意，常与反身代词连用。...

上周五晚上我去看了电影阿凡达!I went to see Avatar at the cinema on Friday night!你知道, 《阿凡达》很不错, 但那不是电影. 它很好看! 你知道 吗 ?You know, Avatar was good, but it wasn't a movie. It was a spectacle! You know?排在最佳影片名单的是一直最卖座的电影: 詹姆斯卡梅隆的阿凡达.Top...