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- When a conjugated system was contained in the cyclic anhydride, it gave N-phenylimide as the major product. 结果表明,环酐的分子结构直接影响反应结果,当酸酐分子存在共轭结构时以N-芳基内酰胺为主要产物。
- Similar delocalization is found in other conjugated systems. 在其他共轭体系中,也发现类似的离域。
- Conjugated Systems and Molecular Orbital Theory 共轭体系和分子轨道理论
- The gens attempted to uproot the entire conjugal system of the period by its direct action. 氏族组织曾打算采取直接行动根除这个时期流行的整个同居制度。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- You can do it this way if you care to. 如果你乐意的话,可以这样做。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- It is absurd to go out in such terrible weather. 在这麽恶劣的天气里出去太荒唐。
- Keywords color chromophore theory chromophore conjugated system; 颜色;发色理论;发色团;共轭体系;
- It is hard to sleep without a cooler in this room. 没有空气调节器,在这间屋里很难入睡。
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- It is now our aim to set up a factory. 我们现在的目的是创办一座工厂。
- Graphite all of the carbon atoms are in a big conjugation system, each layer has a film. 在加热下,单质碳较易被酸氧化;在高温下,碳还能与许多金属反应,生成金属碳化物。
- It is very unwise for the girl to marry him. 这女孩嫁给他是很不明智的。
- It is wrong of you to bully the child. 你不该欺侮那个孩子。
- It was nothing less than a miracle. 那完全是个奇迹。
- It was painful to admit that I was wrong. 要我承认错了,是很费力的。
- It was pure luck that he was home when we called. 非常幸运,我们打电话时他在家里。
- It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
- It's sad that we have to part company with them. 很遗憾我们要与他们分别了。