1.【化】酮
1.an organic compound containing a carbon atom connected to an oxygen atom by a double bond and to two carbon atoms.
1.relating to the chemical group comprising a carbon atom connected to an oxygen atom by a double bond and to two carbon atoms
1.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。
2.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。
3.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。
4.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。
5.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。
6.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。
7.Predominantly alicyclic and branched-chain aliphatic organic acids as well as diacids and aromatic ketones were formed by degradation.
主要脂和支链脂肪酸有机酸以及二酸和芳香酮形成的退化。
8.Ketones are named by the IUPAC system as derivatives of the class name for this homologous series, "alkanones. "
在IUPAC系统中，酮是作为这个系列的类名——“烷属酮”的衍生物来命名的。
9.Preferred non-aqueous solvents include alkyl alcohols or ketones having less than about six carbon atoms.
首选非水溶剂包括烷基醇，酮则少于六个碳原子。
10.Not recommended with ketones, brake fluid, aliphatic esters, chlorinated solvents, gasoline and concentrated acid and alkaline solutions.
对于酮、制动液、脂肪质脂类、氯化石蜡溶剂、汽油、浓缩酸性和碱性溶液，不推荐使用此类型的管。