查询词典 acetone oxime

When acetone oxime was used as substrates, lower conversion and selectivity were obtained. For cyclopentanone oxime as the substrate, the Beckmann fragmentation was observed.

对于丙酮肟和环戊酮肟，前者重排得到N-甲基乙酰胺的选择性低，后者则不发生Beckmann重排。

The experiment takes carbolic acid as raw material , adopt acetophenetidin-rization, Fries weight row , the oxime have molten , Beckmann weight row combining method has got target outcome to acetophenetidin aminophenol, total recovery is under using acetone as catalysator in the best reaction temperature and the best reaction time: 40.5%.

在线等翻译~请哪位好心人帮我翻译一下我的毕业论文摘要~谢谢了。不要网站或者软件直译的！摘要本实验以苯酚为原料，采用乙酰化、Fries重排、肟化、Beckmann重排的合成方法得到了目标产物对乙酰氨基酚，用丙酮作催化剂在最佳反应温度和最佳反应时间下总收率为：40.5%。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。