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ketones

美英 ['ketəʊnz]

n.【化】酮
网络酮类；酮体；酮類

复数：ketones

ketones

英-汉英-英网络释义

ketones

酮

养是酮（ketones），脑细胞很欢迎酮，酮不能从维他命中找，椰子油含甘油三酸酯（triglicerides），椰子油中的甘油三酸酯 …

酮类

较强的有酮类(Ketones), 酯类(Ester)...等如: 甲异丁酮 (MIBK);甲乙酮 (MEK);环己酮(Hexanone)乙酸乙酯(EAc);乙酸丁酯(BAc). …

酮体

解说酮体(Ketones)是甚麽，就像解说葡萄糖(Glucose)是甚麽一样，那就是：「它是身体吃进去的食物，在体内消化的过程中…

酮類

酮類(ketones)方面，α-ionone是许多水果及食物之香气成分。酯類(Esters)一般被认为具有水果之香气。

酮基

三氯甲烷对... ... 如甲醇、异丙醇)、卤素( halogens，如三氯乙烷)、酮基( ketones，如丙酮、甲基异丁基酮)、脂肪族二元醇类( …

甲酮

YuYao Kekai Plastic Co.,Ltd ... Methyl Isobutyl Ketone 甲基异丁基酮 Ketones 甲酮 Potassium Salts 钾盐 ...

酮类化合物

...可能有差异，如鼠尾草(Sage)，早收获的含较少量酮类化合物(Ketones)。

酮榐

(6) 酮榐 (Ketones)酮榐大部份具有特upl#味及毒性，但是低量的酮\人氃有^k助，可k壕Ｓ行┩饔胈7烈，因此使用要小心。常 …

例句：

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。

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。

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。

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。

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。

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。

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。

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。

Hydrocarbons , ketones , alcohols in cooked blue peafowl were more than in raw blue peafowl, but its aldehydes were less than the other.

与生肉相比，熟肉的挥发性风味中含有较多种类的烷、酮和醇类，但醛类物质少于生肉。

As open-chain hydroxy aldehydes and hydroxyl ketones, the monosaccharides are very reactive .

以开链的羟基醛和羟基酮形式存在的单糖非常活泼。

Six types fragrant new compounds were synthesized by the condensation reactions of formylisolongifolene with ketones .

通过甲酰基异长叶烯与酮的缩合反应合成出六种具有香气的新化合物。

The application of supported catalysts in the oxidation of olefins to aldehyde and ketones was reviewed .

总结了固载化催化剂在烯烃氧化合成醛酮中的应用。

Main components : a variety of aromatic ketones and aromatic esters .

主要成分：各种芳香酮及芳香酯类等。

As ketones is acidic substances , which occur in vivo metabolic acidosis .

由于酮体是酸性物质，致使体内发生代谢性酸中毒。

Ketones are very closely related to both aldehydes and alcohols .

酮与醛和醇的关系都很密切。

The first part discribes highly efficient chiral PNNP ligand for asymmetric transfer hydrogenation of aromatic ketones in water .

第一部分是有关手性双胺双膦配体在水溶剂中进行不对称转移氢化的研究。

The advance in asymmetry reduction of ketones is reviewed in this paper, and many kinds of asymmetry reduction reactions are introduced .

介绍了近年来酮类化合物的不对称还原的研究进展，对多种不对称还原反应做了介绍。

Soluble in non-polar organic solvents such as ketones , others, ester and higher alcohols .

可溶于非极性有机溶剂，如酮、乙醚、脂类和高纯度酒精。

Thecatalyst ZrCl_4 has the advantage of high yield , easy separation , selective dioxolanation of ketones in the presence of ester .

在酯羰基存在下该催化剂能选择性地使酮羰基反应，产物产率高、分离简单。

Moveover we build up an effective test way to the mixtures whose acetone content is fairly low such as ketones, alcohols and water etc.

并建立了对丙酮含量较低的酮、醇、水等混和物的一种有效测试方法。

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