查询词典 arene
- 与 arene 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Production of epsilon-glycolylnium is carried out by Beckman rearrangement reacting for cyclohexanone-oxime under the existence of solvent to obtain epsilon-glycolylnium contained mixture, crystalline separating for the mixture to obtain crude epsilon-glycolylnium crystal, dissolving by arene, extracting by water, adsorbing by resin hydrogenation catalyzing to obtain the final product. The value of potassium permanganate is less than 5, extinction value is less 0.05, volatile alkali is less than 0.5meq/kg and alkalinity is less than 0.05meq/kg.
本发明涉及一种ε―己内酰胺制备方法,其特征为:在溶剂存在下,环己酮肟经贝克曼重排反应,得到含有ε―己内酰胺的混合物,该混合物结晶分离后,得到粗ε―己内酰胺晶体用芳烃溶解,然后用水萃取,再经树脂吸附、催化加氢后,得到99.995%以上的高纯度的ε―己内酰胺,其质量指标为高锰酸钾值小于5,消光值小于0.05,挥发性碱小于0.5meq/kg,碱度小于0.05meq/kg。
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The men of Pylos and Arene, and Thryum where is the
来自陡峭的库勒奈山脚,埃普托斯的墓旁
- 相关中文对照歌词
- Un Geste D'amour
- Game Over
- Golden Baby
- La Reine Du 9.3
- Laisse Les Parler
- Paname Boss
- Wati Bon Son
- 推荐网络例句
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The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.
该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性,而切还赋予它以新的意义。
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If he thought that he could buy me off, he would be wrong.
如果他认为他可以收买我,那他就大错特错了。
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Can I be excused today's lesson?
我可以不上今天的课吗?