carbonyl group
羰基
常用释义
英式发音
美式发音
基本释义
- 羰基：有机化学中的一种官能团，由碳和氧原子组成，通常表示为C=O。
例句
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1·This radical attacks the carbonyl group to an intermediate bicyclic ketyl.烷基自由基对羰基进行进攻，生成双环的羰自由基中间体。
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2·The chemical reductants fail to reduce carbonyl group under ambient conditions.羰基在一般条件下不易被化学还原剂还原。
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3·The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究。
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4·Reactions of Carbonyl Compounds with the Carbonyl Group as an Electrophile with H, C, N and O Nucleophiles.作为亲电体的羰基与作为亲核体的H，C，N和O的羰基化合物反应。
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5·The FT-IR indicates that the phenolic group in the weak acid oil subsection and carbonyl group exist in the neutral oil subsection.红外光谱分析说明，弱酸性精油中含有酚的结构，中性精油中含有较多的非共轭羰基结构。
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6·It is a somewhat well known fact that sodium bisulfite will add to the carbonyl group of a ketone to form a crystalline addition product.人们已经知道，亚硫酸氢钠可以加成到酮的羰基基团形成一个晶体加成产物。
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7·After the starch was oxided, carboxyl and carbonyl group can be obtained. The parameters and application of oxidized starch were also introduced.淀粉氧化后，得到羧基和羰基，描述了氧化淀粉表征参数及其在各行业中的应用。
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8·The new fluorescent band is considered to be related to the intramolecular charge transfer between the amino group and the quinonoid carbonyl group.我们认为该新的荧光峰与胺基和醌羰基之间的分子内电子转移有关。
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9·At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.与此同时，醛、酮、酯类羰基、芳香酮、醛类羰基等类含氧基团或者从无到有，或者官能团数量不断增加。
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10·The FTIR spectrum indicated that hydrogen bonds were formed between the carbonyl group in tartaric acid and the hydroxyl group in inner surface of kaolinite.红外光谱表明：酒石酸分子的羰基与高岭石的内表面羟基形成了氢键，而羟基与高岭石的硅氧面的氧形成了氢键。