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n.酮类（ketone的复数）
1、drinkable ketones───饮用酮类
2、exogen ketones───外生酮
3、aldehydes and ketones───醛和酮
4、exogenous ketones───外源酮
1、Asymmetric transfer hydrogenation of aromatic ketones is an attractive method for the preparation of optically active alcohols.───因而，从芳香酮的对映选择性氢化制备相应的手性醇受到了人们的极大关注。
2、process of burning fat produces ketones, which some claim have an appetite-suppressing effect.───燃烧脂肪的过程会产生酮，而酮据说有抑制食欲之效。
3、The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.───一种含吲哚类取代基的苯并呋喃酮类化合物的制造方法。
4、Hydrocarbons, esters, alcohols ketones, and aldehydes were the major constituents. Hydrocarbons were dominant in Owari Satsuma cultivar.───主要成分为烃类、酯类、醇类、酮类和醛类化合物。
5、aldehydes, ketones, and others had not obviously alteration.───醛类、酮类及其他类物质的变化并不显著。
6、The diets can cause constipation, diarrhea, headache, bad breath and ketosis, which causes raised levels of ketones, or acids, in the body.───这类饮食会引起便秘，腹泻，口臭和致体内酮体和酸水平增高的酮症。
7、Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives.───酮及醌，不论是否含有其他含氧基，及其卤化、磺化、硝化或亚硝化衍生物。
8、Not recommended for exposure to ketones and brake oil.───不建议暴露于酮类及刹车油中。
9、Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.───不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。
1、The contents of the determined ketones increased during the aging process except for solanone.
2、Alcohols generated more than ketones by the hemolytic scission of the O-O bond in the metalloporphyrin catalyzed hydrocarbon oxidation system.
3、Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
4、Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium reagent is studied and the yield of reaction is 60%.
5、In this review, asymmetric reduction of prochiral ketones and its recent advances have been described according to the reaction types.
6、These leftovers, the ketones, not only cause bad breath but constipation, nausea, and weakness as well.
7、This section focuses on pyrazole ketones, indole acetic acids, aryl alkyl acids non - steroidal anti - inflammatory drugs.
8、Asymmetric borane reduction of prochiral ketones is a good process to the synthesis of enantiomerically enriched secondary alcohols.
9、Reaction of ketones with sodium diselenide and sodium hydrogen selenide under the catalysis of n-BuNH2 gave a moderate yield of diselenides in a one-pot fashion.