ketones
美 
英 ['ketəʊnz]
词形变化
复数：ketones
英汉解释
英英解释
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。
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。
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。
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。
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。
In aprotic solvents magnesium effects pinacol reductive coupling of aldehydes and ketones.
在非质子性溶剂，镁对频纳醇与醛和酮的还原耦合反应也有一定效果。
After the decoration can be efficient removal of the organic chloride, benzene, ketones, alcohols, such as volatile organic compounds.
可高效去除装修后产生的有机氯化物、苯、酮、醇类等挥发性有机物。
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。
Pure Gum Rubber is generally good for most weak chemicals, wet or dry organic acids, alcohols, and ketones.
对于腐蚀性最弱的化学物质、湿的或干的有机酸、醇以及酮等流体介质，一般来说纯树脂橡胶表现还是好的。
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。
is too condensend or binders polymerization through high formation of gel if add fat hydrocarbons, ketones, diluted.
油墨太稠或因连结料聚合度过高形成的胶化，可加入脂肪烃、脂、酮等稀释。
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。
The results showed that MTDF-01 could produce acids, alcohols, aldehydes, ketones, esters and aromatic compounds by pure solid fermentation.
结果表明，纯种固态发酵能代谢生成酸、醇、醛、酮、酯及芳香族化合物等多种物质。
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。
Hydrocarbons(41. 04%) were the main constituents in the buds and alcohols, aldehydes and ketones(26. 46%) were dominant in the flowers.
连翘花蕾的挥发性成分以烃类（41.04%）为主，而连翘花的挥发性成分以醇、醛和酮类化合物（26.46%）为主；
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。
The development in the oxidation of olefins to ketones catalyzed by palladium compounds was reviewed.
本文系统地评述了钯配合物催化烯烃氧化合成酮类物质的研究进展。
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。
Evaluation of Separation Performance of Aromatic Ketones by Capillary Electrochromatography with Polyacrylamide Monolithic Stationary Phase
毛细管电色谱聚丙烯酰胺类整体柱对芳香酮类化合物分离性能考察
solvents, like aliphatic aromatic compounds, alcohols, ketones, others and esters, increase decomposition rate of RDX;
脂肪族芳香化合物、醚、酯、酮及醇能加速RDX热分解；
Synthesis and Fluorescence of Chiral Amino Alcohol Lanthanide Complexes and Their Catalytic Asymmetric Hydrogenation for Aromatic Ketones
手性胺醇稀土配合物的合成、荧光性质及其催化芳香酮的不对称氢化反应
Application of catalysts and mechanism of the diastereoselective cyanation addition of aldehydes and ketones
非对映选择醛酮催化氰化加成反应催化剂的发展及机理
Hydrogenation technology: ruthenium-catalysed asymmetric reduction of ketones
氢化技术：钌催化下的酮不对称还原
Organocatalytic Asymmetric Epoxidation of Olefins Catalyzed by Chiral Ketones Derived from Carbohydrates
烯烃以糖衍生的手性酮为催化剂的有机催化不对称环氧化
Solvents for paints and varnishes; ketones; gas chromatographic determination of the degree of purity
漆和类似涂层材料用溶剂.酮.气体色谱法分析纯度
Modified Group Dyeing Index for Topological Study of Refractive Index of Ketones and Ethers
修正的基团染色指数用于酮和醚类化合物折射率的拓扑研究
Prediction and Measurement of the Relative Mass Calibration Factor of Aldehydes and Ketones Derivatives
醛、酮类腙衍生物校正因子的预测与测定
The Reduction-Coupling-Etherification of Alcohols and Aromatic Aldehydes or Ketones in the Presence of Tin and Chlorotrimethylsilane
金属锡和三甲基氯硅烷存在下芳香醛、酮与醇的还原-偶联-醚化反应
Prediction of aqueous solubility, hydrophobic parameter for esters and ketones with novel valence connectivity index
新的价连接性指数与脂肪酯、脂肪酮的溶解度及疏水参数的预测
