aldehydes单词基本解析：

[医]醛

释义[医]醛；

aldehydes变化用词：

aldehydes英英释义：

名词 aldehyde:

any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

同义词：aldehyde

aldehyden.any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

aldehydes中文词源：

aldehydes用法和例句：

aldehydes

Condensation Reaction of 2 acetyl 7 methylaminotropone with Aromatic Aldehydes(TMB)

2-乙酰基-7-甲胺基?酮与TMB等取代芳香醛的反应

ABS water-resistant, inorganic salts, alkalis and acids, alcohols and insoluble in most hydrocarbon solvents, soluble in aldehydes, ketones, esters and certain chlorinated hydrocarbons in.

ABS耐水、无机盐、碱和酸类，不溶于大部分醇类和烃类溶剂，易溶于醛、酮、酯及某些氯化烃中。

The effect of steric hindrance and electron on aromatic aldehydes reduced by BER

BER还原芳醛的位阻效应和电子效应

Study of CP_2TiCl_2-Catalyzed Reaction of Grignard Reagent with Aryl Aldehydes

Cp_2TiCl_2催化下Grignard试剂与芳醛反应的研究

Reaction of N-Ethoxycarbonyl-benzenecarboximedate with Aliphatic Aldehydes

N-乙氧羰基亚甲基苯甲亚氨酸乙酯与脂肪醛的反应

Keywords TBA value;beer flavor stability;carbonyl compounds;aldehydes;

TBA值;啤酒风味稳定性;醛类;羰基化合物;

Studies on Asymmetric Hetero-Diels-Alder Reaction of Trans-4-methoxy-2-trimethylsiloxy-penta-1,3-diene with Aldehydes and Activated Ketones

Trans-4-methoxy-2-trimethylsiloxy-penta-1，3-diene与醛及活化酮的不对称HDA反应研究

an organic compound usually formed as an intermediate product in the preparation of acetals from aldehydes or ketones.

一种有机化合物，通常是用乙醛或酮配制乙缩醛时的中间产物。

Keywords asymmetric catalysis;BINOL;self-assemble;aldehydes;cyanation;cyanohydrins;bifunctional;heterobimetallic;

不对称催化;BINOL;自组装;醛;腈化反应;氰醇;双功能;杂双金属;

Keywords Asymmetric addition reaction;aldehydes;ketones;commercial availability;phenylacetylene;diethylzinc;

不对称催化;醛;酮;商业化;苯乙炔;二乙基锌;

Keywords Asymmetric addition reaction;aldehydes;ketones;sulfonamide alcohol;phenylacetylene;diethylzinc;

不对称催化;醛;酮;磺酰氨基醇;苯乙炔;二乙基锌;

Keywords asymmetric catalysis;aldehydes;ketones;cyanation;chiral N-oxides;cyanohydrins;

不对称催化;醛;酮;腈化反应;手性氮氧化合物;氰醇;

TOW NEW REAGENTS FOR DISTINCTION BETWEEN ALDEHYDES AND KETONES

两个新的醛酮鉴别试剂

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。

In reality, readily characterizable high polymers are formed only from aliphatic aldehydes RCHO.

事实上有代表性的高聚物仅仅是由脂肪醛RCHO制得的。

A test was made for determining various aldehydes and their respective contents in the hydrophobic adhesive by 2, 4-DNPH-HPLC method.

介绍采用2,4-二硝基苯肼-高效液相色谱法分析测定疏水性胶粘剂中醛类成分和含量的实验。

The aliphatic aldehydes were more abundant than aromatic and branch-chain aldehydes since whenever either cooking oil or food can produce a lot of carbonyl compounds when heated.

从分布上来看，直链的羰基化合物的浓度远远高于支链和环状的羰基化合物的浓度。因为无论是烹调油或者食物加热时都可以产生大量的羰基化合物。

Up to now, more than 100 trace compo nents of Chinese rice wine were detected by GC, GC-MS and HPLC, including alcohols, aldehydes, organic acids, esters, phenolics and nitro gen-containing compounds and so on.

从微量成分的种类上看，中国黄酒中目前已经检测到的微量成分达100种以上，包括醇类、醛类、酸类、酯类、酚类、含氮化合物，以及其它化合物。

As open-chain hydroxy aldehydes and hydroxyl ketenes, 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。

As for the production of wheat-starter yellow rice wine without steaming,strict quality control during technical process could reduce the production of higher alcohols,aldehydes and sulfides.

以无蒸煮方法酿造麦曲黄酒,严格工艺过程的质量控制,可减少高级醇、醛类和硫化物等产生。

any of the class of compounds formed from aldehydes combined with alcohol

任何一种由乙醛和乙醇结合而成的化合物

Keywords low valent titanium;aldehydes and ketones;pinacol coupling;pinacol;

低价钛;醛酮;片呐醇偶联;片呐醇;

The analysis was based on the reaction of 2,4-dinitrophenylhydrazine with aldehydes in butanol solution.

使用无毒性的正丁醇作溶剂对油脂的羰基值进行测定。

The various methods for the umpolung of carbonyl compounds (aldehydes and ketones), secondary amines and the most frequently used umpolung reagents are introduced.

先介绍了羰基化合物(醛、酮)的极性转换的各种方法,然后谈到胺的极性转换方法和最常用的极性转换试剂。

Otherwise,there are trace components such as alcohols,esters,acids and aldehydes etc.in it.Alcoholic beverages have high medicinal value.

其中含有酯类、醇类、酸类、醛类等微量成分。

The Bindings of Typical Aldehydes Pollutants with Cell DNA

典型醛类污染物与细胞DNA分子的结合作用

Molecular polarizability effect index and boiling point of aliphatic aldehydes and alkanones

分子极化效应指数与脂肪族醛酮的沸点

Molecular Inductive Effect Index and Boiling Point of Aliphatic Aldehydes and Alkanones

分子诱导效应指数与脂肪族醛酮的沸点

Study On Quantitative Structure-Property Relationship of Chain Hydrocarbons, Aldehydes and Alkanones by Molecular Distance-edge Vector

分子距边矢量研究链烃与醛酮的定量构效关系

Factors Affecting Fatty Acid Oxidation and the Formation of Odorous Aldehydes during TMP Production

制TMP时影响脂肪酸氧化和臭味醛生成的因素

The formation of odorous aldehydes from pulp extratives during TMP production. The formation of odorous aldehydes was decreased by dithionite bleaching, EDTA treatment and the elimination of lime.

制TMP时由纸浆抽提物生成有臭味的醛,通过连二亚硫酸盐漂白、EDTA处理和消除石灰,可减少有臭味醛的生成。

Keywords castrated male rabbit;intermediate aldehydes;lipoxygenase isoenzymes;

去势公兔;中级醛类;脂氧合酶同工酶;

Study on Reactive Aldehydes Group Content in Dialdehyde Starch

双醛淀粉中有反应活性醛基含量的研究

A new convenient and general one-step route for preparing azines by treating aromtic aldehydes and semicarbazide with anhydrous zinc chloride as catalyst is described.

吖嗪是用途很广泛的化合物,如作染料,光敏物质,聚合单体,另外它们还是加成反应的母体化合物。

Weinberg, H.S., Glaze, W.H., Krasner, S.W., Sclimenti, M.J., 1993.Formation and removal of aldehydes in plants that use ozonation, J.Am.Water Works Assoc.

吴俊哲，2000，臭氧、过氧化氢、氯胺等替代消毒剂消毒效能及消毒副产物产生之研究，逢甲大学环境工程与科学系硕士论文。

It included hydroxylic acids,hydrocarbons,alcohols,esters,aldehydes,ketones,aromatic compounds,and steroids,etc.

呈现有较高的隐性致死作用。

Beer contains a variety of flavor substances, of which alcohols, carbon dioxide, hops, acids, vicinal diketones, esters, aldehydes, sulfur-containing compounds and etc.

啤酒中含有多种风味物质,其中醇、二氧化碳、酒花、酸、联二酮、酯、醛、含硫化合物等不仅构成了啤酒风味的主体,而且对啤酒烹饪的食品风味有重要的影响。

The reaction of aromatic aldehydes with sodium bisulfite was incomplete,so that the results was less than standard values,as a result,the method was not suitable to the analysis of aromatic aldehydes.

因芳醛和亚硫酸氢钠反应不完全,使亚硫酸氢钠法测定结果偏低,证明了亚硫酸氢钠法不适用于芳醛的测定。

In the presence of acetic acid, p-anisidine reacts with aldehydes producing a yellowish color.

在乙酸存在下,p-茴香胺与醛类反应产生黄色。

In the chemical and petroleum industries, oxygen is used as a feed component to react with hydrocarbon building blocks to produce chemicals such as alcohols and aldehydes that contain oxygen in their structure.

在化学和石油工业中，氧用作原料，同碳氢组分反应生产结构中含氧的化学品，如酒精和乙醛。

The enzymes use primary amines as substrates to catalyze the oxidative deamination and produce aldehydes, ammonia, and hydrogen peroxide.

在原核生物中胺类氧化酵素提供了氮源及碳源的来源 ;

"The keto form predominates in many aldehydes and ketones, the enol form in ph enol s.

在许多醛和酮中酮基都是最主要的组分。

In the flavor substances of the final product of Jinhua ham, the contents of aldehydes, carboxylic acids, alcohols and ketones were 45.07%, 18.39%, 13.93% and 9.00%, respectively.

在金华火腿产品的风味成分中,醛类占化合物总数的45.07%,酸占18.39%,醇占13.93%,酮占9.00%.

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。

The Special Effect of Chitosan on Decreasing Volatilizable Aldehydes in Smoke from Cigaret

壳聚糖对卷烟烟气中低相对分子质量醛类物质的特殊作用

The reaction of sulfate with aldehydes and ketones has been known for many years.

大家知道硫酸盐能与醛类和酮类反应已有许多年了。

Beany flavours are a kind of volatile gas composed of alcohols,aldehydes and ketones with low molecular weight,which are produced through oxidizing fatty acids by soybean lipoxidase.

大豆腥味是由脂肪氧化酶氧化不饱和脂肪酸后生成的一类醇、醛、酮低分子挥发性气体所致，并直接限制了大豆食品的广泛食用。

SAA ligand Lh could induce asymmetric addition of terminal alkyne to aldehydes without using air-sensitive Ti(O~iPr)4and expensive Zn(OTf)2.with good result of high yield (up to 99%) and good enantioselectivities (up to 84%ee).

将SAA配体Lh应用于在无Ti(O~iPr)_4和Zn(OTf)_2的条件下促进端基炔对醛的不对称加成反应中,反应的收率普遍较高,最高达99%,对映体选择性高达84%ee。

Using benzene as internal standard,the calibration factors of derivative of aldehydes 2,4-dinitrophenylhydrazine(DNPH) were measured.

将醛类物质与2,4-二硝基苯肼(DNPH)的衍生反应液直接进样,以苯为内标物,测定了甲醛、乙醛等醛类物质DNPH衍生物的校正因子.

Nanoparticle Spinel Catalysts for Heterogeneous Oxidation from Allylic Alcohols to Corresponding Aldehydes and Ketones

尖晶石纳米催化剂应用于烯丙醇多相氧化制烯丙醛或烯丙酮

The chemical agents in normal use are aldehydes,disinfecting agents of containing C1 ion,alcohols,KMnO4,quick lime and so on.

常用化学药剂有醛类、含氯消毒剂、醇类消毒剂以及高锰酸钾、生石灰等。

The sol-gel columns also provide efficient separations for analytes including free fatty acids, phenolic compounds, amines, aldehydes, ketones, alcohols ,diols etc.

并对游离的脂肪酸、酚类、醇类、胺类、醛、酮以及二醇具有良好的分离能力。

The temperature and time of reaction,solvent and the constitution of aldehydes have remarkable influences on condensation reaction.

并讨论了反应温度、反应时间、溶剂以及醛的结构对反应产率的影响。

Through the lymphocytes of mouse spleen exposed single or jointed aldehydes,we examine the amount of DNA Strand Breakage (DSB) formation by comet assay.

应用单细胞凝胶电泳技术，通过对小鼠脾淋巴细胞染毒试验，测定了甲醛、乙醛、丙稀醛单独及联合作用下对细胞DNA分子链断裂损伤。

After substrate survey, this catalytic system showedmoderate to excellent chiral induction for aromatic aldehydes (70-95%ee) andmoderate chiral induction for aliphatic aldehydes (75%ee).

底物扩展表明,催化体系对芳香醛具有较好的手性诱导力(70-95%ee),对于脂肪醛也取得了较好的对映选择性(75%ee)。

When we used ligand 4a in the asymmetric addition of phenylacetylene to aldehydes at room temperature, the highest ee was up to 99%.

当我们用配体4a作为催化剂在对苯乙炔对醛的不对称加成反应中,最高的ee可达99%。

Results showed the optimal reaction conditions were 353 K, the mole ratio of aldehydes or ketones to IL was 5:1, the yield of acetals achieved 93.8%.

得出最佳反应条件为：反应温度353K，醛（酮）：IL（摩尔比）=5:1，此时缩醛（酮）收率最高可达到93.8%。

As for the production of wheat-starter yellow rice wine without steaming, strict quality control during technical process could reduce the production of higher alcohols, aldehydes and sulfides.

摘要以无蒸煮方法酿造麦曲黄酒，严格工艺过程的质量控制，可减少高级醇、醛类和硫化物等产生。

Liquor bitterness is induced mainly by fusel alcohols, aldehydes, phenolic compounds, sulphocompounds, alkaloid, polypeptide, amino acids, and inorganic salts.

摘要引起白酒苦味的主要物质为杂醇类、醛类、酚类化合物、含硫化合物、生物碱、多肽、氨基酸、无机盆。

A facile and efficient procedure for converting a number of 1,1-diacetates into the corresponding aldehydes was developed.

摘要研究了矽胶硫酸酯催化下1,1-二乙酸酯的分解反应。

Hydroperoxides were produced from unsaturated fatty acid in oils catalyzed by lipoxygenase, then in the hydroperoxide lyase, the grassy green and leafy green aroma volatile aldehydes were made.

摘要脂肪氧合酶催化油脂中的不饱和脂肪酸生成氢过氧化物，氢过氧化物再在裂解酶的作用下，生成具有青草香、青叶香香气特征的挥发性醛类物质。

The process components of Luzhou-flavor liquor fermentation were assayed by GC and HPLC, and the relationship among acids, aldehydes, alcohols and esters in Zaopei was analysed.

摘要采用气相和液相色谱分析方法，跟踪调查了浓香型白酒发酵过程中，糟醅所含酸醛醇酯等各类香气成分的动态变化及其相互关系。

Studies on the Uncatalyzed Reactions of O - Substituted Aromatic Aldehydes with 5,5- Dimethyl -1,3- Cyclohexanedione

无外加催化剂条件下邻取代芳香醛与5,5-二甲基-1,3-环己二酮的反应研究

The Knoevenagel condensation of armatic aldehydes and malononitrile or cyanacetic ester is carried out by DMF as solvent without catalyst.The process gives high yields of products.

本文报道了无外加催化剂条件下以DMF为溶剂芳香醛与丙二腈或氰基乙酸乙醇进行克脑文盖尔缩合反应,此法产率较高。

Based on the molecular polarizability effect index,a formula of three parameters was proposed to calculate the boiling point of aliphatic aldehydes and alkanones.

本文讨论了分子极化效应指数[5]与脂肪族醛酮沸点的关系,力求寻找到一个适用范围广,并且具有分子结构特征的计算脂肪族醛酮沸点的计算公式。

This method applies for measuring aldehydes in hydrophobic adhesives with relatively low aldehydes content.

本方法适用于分析醛类含量较低的疏水性胶粘剂中的醛类物质。

Bian, Y. J.; Li, J. T.; Zang, H. J.; Li, T. S. Pinacol coupling of aromatic aldehydes using aluminium under ultrasound irradiation[J].Synth. Commun. 2002, 32(8):1169.

李记太,边延江,刘树明,李同双.超声辐射下金属锰诱发芳香醛的还原偶联(J).有机化学,2003,23(5):479.

Electrocatalytic Oxidation of Some C 2 Compounds(Alcohols, Aldehydes, and Carboxylic acids) on a Pt/Sb ad Electrode

某些C_2－醇、醛和羧酸在Pt/Sb_（ad）电极上电催化氧化研究

Yoo and Li (McGill University, Montreal) communicated the successful oxidative amidation of aldehydes with amine hydrochloride salts and Cu(I)/Ag(I) catalysts ( J. Am.

柳、李(麦吉尔大学蒙特利尔)沟通成功的醛胺氧化酰胺盐酸盐、铜(一)/银催化剂(一)(J时.

Keywords weather factor;ambient air;aldehydes and ketones;relation analysis;

气象因子;大气;醛酮类有机物;相关性分析;

Keywords carbamates;aldehydes;condensation reaction;

氨基甲酸酯;醛;缩合反应;

The condensation of carbamates with aldehydes under the catalyzing of acids affords alkylene dicarbamate or monocarbamate in good yields.

氨基甲酸酯和醛在酸性催化剂存在下进行缩合反应，得到较高产率的亚烷基氨基甲酸酯。

Keywords Water;Wastewater;Aldehydes and ketones compound;Solid phase extracting;HPLC;

水;废水;醛酮类化合物;固相萃取;高效液相色谱法;

Determination of the emission of volatile organic compounds and aldehydes for building products -- Small chamber method

测定建筑产品释放的挥发性有机化合物和醛类。小室法

Selective Addition of Aldehydes by Allyl Iodine And Tin

烯丙基碘与锡和醛的选择性加成

Keywords beef fat;controlled oxidization;beef flavor;aldehydes;ketones;lactones;

牛脂;控制氧化;牛内香味;醛;酮;内酯;

In particular, gold-catalyzed oxidation reactions have been applied in the epoxidation, oxidation of alcohols and aldehydes, and the oxidative cleavage of C-C double bonds.

特别是金元素催化已经被应用于某些反应：环氧化作用、醇和醛的氧化、C-C双键的氧化断裂。

The yields of aldehydes produced in this sequential process are comparable to the two-step method

用此法制得的醛，其产率与用两步法可制得的产率不相上下。

This paper described the Mannich reaction of selenamorpholine, which reacted with aldehydes and acidic components gave seven Mannich bases.

用硒代吗啉与不同的酸组分、醛组分反应得到七个曼尼希反应的产物。

Twenty five compounds such as geranial, neral, linalool and aliphatic aldehydes were selected as the components co...

由此可知,利用香气成分的香气值,能够筛选出对食品的香气起重要作用的成分。

---