羰基的

During the storage of rice wine,the amidogen or carbonyl reactions occur slowly,which makes the rice wine with darker color,strengthened flavor and mellow taste.

同时随着贮存期延长酒中缓慢产生氨基、羰基反应使产品的色泽增深、香气增浓、口味醇和绵软、协调爽适。

The results indicated that the content of amygdalin, crude fat content, acid value , peroxide value and carbonyl value changed significantly.

对高温条件下苦杏仁品质稳定性进行了研究，结果表明：高温环境下苦杏仁中的苦杏仁甙含量、脂肪含量、酸价、过氧化值和羰基值发生明显变化，影响了苦杏仁品质。

Methoxycarbonyl-4-(4-methoxyphenyl )-6-methyl-3, 4-dihydropyrimidine-2(1H)-one was synthesized from anisaldehyde, methyl acetoactate and urea in presence of HF-1O1 strong acidic ion-exchange membrane.

在HF-101强酸性离子交换膜的存在下，由对羟基苯甲醛、乙酰乙酸甲酯与脲一步合成了5－甲氧羰基－4－（4－甲氧苯基）－6－甲基－3，4－二氢嘧啶－2(1H)－酮。

When treated withlow-valent titanium, a five-member ring 3H,4H-cycl[3,2,2]azine wasobtained.

发现〓可以促进羰基与双键偶联生成了不常见的六元环，制得了4H，5H，5H-3-Hydroxy-cycl[3，3，2]azine。

In Chapter Ⅰ, the Barbier type reactions of halides and carbonyl compounds promoted by metallic dysprosium were mainly studied.

第一章主要研究了金属镝促进下卤代物与羰基化合物的Barbier型反应。

But when the trimanganese tetrathiolated compound having a semicubic structure reacts with the cationic carbyne complexes 1 and 2, only some single-metal carbene complexes are isolated.

但当我们使用具有半立方烷结构的钼锰羰基化合物分别与阳离子卡拜络合物1和2反应时，只分离得到了一些单金属卡宾络合物。

The method was successfully applied to the quantitative analysis of carbonyl compounds in ambient air samples.

该方法成功地应用到对大气中羰基化合物的定量检测。

Influence of concentration of carbonyl iron on static magnetism was not obvious.

五羰基铁浓度对复合粒子的静磁性能影响不明显。

The lower molecular weight volatile carbonyl compounds are of interest because of their influence on flavor.

低分子量挥发性羰基化合物，因为它们对风味的影响而有益。

Master the Keto-Enol tautomerism; reactions of enols:α-H substitution reactions;α-halogenation of aldehydes and ketones;α-bromination of carboxylic acids; acidity ofα-H atoms: enolate ion formation; reactivity of enolate ions; alkylation of enolate ions; mechanism of carbonyl condensation reactions;condensations of aldehydes and ketones: the Aldol reaction; dehydration of Aldol products; the Claisen condensation reaction; the Michael addition.

熟练掌握酮式－烯醇式互变异构；烯醇的反应：α-H的活性；醛酮的α卤代反应；羧酸的α-溴代反应；α-H的酸性：烯醇负离子的形成；烯醇负离子的反应；烯醇负离子的烃基化；羰基化合物的缩合反应机理；醛酮的缩合反应－Aldol缩合；Aldol缩合产物的脱水反应； Cleisen 酯缩合反应；麦克尔加成反应。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。