酮是羰基与两个烃基相连的化合物。根据分子中烃基的不同，酮可分为脂肪酮、脂环酮、芳香酮、饱和酮和不饱和酮。芳香酮的羰基直接连在芳香环上；羰基嵌在环内的，称为环内酮，例如环己酮。按羰基数目又可分为一元酮、二元酮和多元酮。一元酮中，羰基连接的两个烃基相同的称单酮，例如丙酮（二甲基甲酮）。互不相同的为混酮，例如苯乙酮（苯基甲基甲酮）。酮分子间不能形成氢键，其沸点低于相应的醇，但羰基氧能和水分子形成氢键，所以低碳数酮（低级酮）溶于水。低级酮是液体，具有令人愉快的气味，高碳数酮（高级酮）是固体。
网络释义专业释义
酮类腙衍生物校正因子的预测与测定_电子资料文库 关键词 醛,酮,2,42二硝基苯肼,衍生物,校正因子 [gap=6506]Keywords Aldehyde,ketone,2,42dinitrophenylhydrazine,derivatives,calibration
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...左炔诺孕酮化学发光体系的研究--深度搜 刊ISSN] 0253-3820 [IF] 0.482 [日期] 2006 [摘要] 1引言 左炔诺孕酮(levonorgestrel,LNG)是一种甾体激素避孕药.目前测定左炔诺孕酮的方法,有色谱法、荧光法、光度法及放射免疫法.
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短语
醛固酮 [生化] aldosterone ; RAA ; Aldo
环己酮 [有化] Cyclohexanone ; CYC ; Cyclohexanone Ketohexamethylene anon
酮康唑 ketoconazole ; Keconazole ; Nizoral ; Ketoconazole Capsules
丙酮 [有化] acetone ; Propanone ; BLE ; Dimethyl ketone ; acetone
鱼藤酮 [农药] rotenone ; rotenoid ; [农药] derris ; [农药] Nekoe
丁酮 [有化] butanone ; MEK ; methyl ethyl ketone ; NNK
丙酮酸 [有化] pyruvic acid ; Pyranic acid ; Pyruvate ; [有化] pyroracemic acid
异黄酮 isoflavones ; Genistein ; isoflaudio-videoone ; izoflavon
皮质酮 [生化] Corticosterone ; CORT ; cortisone ; kortykosteron
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ketone - 引用次数：26
Results 16 compounds were identified in normal rat urine, most of which were ketones. The three most abundant components were 2 -Heptanone, 4 - Heptanone and 2 - Pentanone.
结果从正常大鼠尿液中鉴定出16个化合物,大多数是酮类物质,其中含量最高的3个化合物为2-庚酮、4-庚酮和2-戊酮。
参考来源 - 大鼠尿液中挥发性成分的测定方法xanthone - 引用次数：14 参考来源 - 3，4，5，6 -
keto-troponeketone
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ketoneketo-
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句原声例句
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低碳水化合物饮食运动催生了阿特金斯饮食法、旧石器饮食法和生酮饮食法等饮食方法，这些饮食方法建议将面包、意大利面和土豆等食物换成蔬菜、鱼和肉。
The low-carbohydrate food movement gave birth to such diets as the Atkins, Paleo and Keto, which advised swapping foods like bread, pasta and potatoes for vegetables, fish and meat.
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这些结果支持了研究人员的预测，即纳曲酮对某些类型的细菌是有害的。
These results provide support for researchers' prediction that naltrexone will turn out to be toxic to certain types of bacteria.
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当老鼠同时服用吗啡和新型药物纳曲酮时，虽然仍会发生血液中毒，但发生的频率大大降低。
When mice are given both morphine and the new drug naltrexone, blood poisoning is much less frequent, although it does still occur.
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So, for example, you might be familiar with Wellbutrin here, this is a type of anti-depressant that a lot of people use right now that are taking anti-depressants.
比如，你可能对这里的安非他酮很熟悉，这是一种抗抑郁症的药,很多治疗抑郁症的人都在用它。
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you're going to release hormones like testosterone and GH, which oxidizes fat for energy.
你就会分泌出像睾丸酮和生长激素那样的激素，把你的脂肪氧化成能量。
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So, for example, Wellbutrin, it is very unlikely that it would have thionyl chloride in order to make it, and if thionyl chloride was used at some point in the synthesis, it was not to put that chlorine atom on, it was to put something else on.
比如，安非他酮，用亚硫酰氯来制造它,是不太可能的，而就算在合成过程中的某一阶段用到了亚硫酰氯，它也不会把氯原子加进去，而是把其它东西加进去。
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