dienes

dienes的基本解释

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[化] 双烯, 二烯烃

与dienes相关的网络例句 [注：此内容来源于网络，仅供参考]

We have studied the transition metal complexes catalyzed sequential cross coupling reactions of these new difunctional group reagents with electrophiles and nucleophiles, respectively; developed some convenient and practical new methods for the stereoselective synthesis of disubstituted alkenes, trisubstituted alkenes, conjugated dienes containing heteroatom, conjugated enyne containing heteroatom etc., enriching methodologies for organic synthesis.

继而研究了这些新型双官能试剂在过渡金属配合物催化下分别与亲电试剂、亲核试剂的顺序交叉偶联反应，为双取代烯烃、三取代烯烃、杂原子取代的共轭二烯烃、杂原子取代的共轭烯炔烃等的立体选择合成提供了方便实用的新方法，丰富了烯烃立体选择合成的方法学。

Grasp the electron delocolization theory; be capable of judging the relative stability of allylic and benzylic free radicals and carbocations, know the relative stability of dienes and other multiple unsaturated hydrocarbons; grasp the characteristics for the nucleophilic substitution reactions of allyl halides and benzyl halides, and the addition reactions of conjugate dienes.

掌握电子非定域化理论；能够分析判断烯丙基、苄基自由基和正离子的稳定性和二烯及多重不饱和碳氢化合物的稳定性；掌握烯丙基、苄基卤代物的亲核取代反应特性和共轭二烯的加成反应。

The determination of conjugated dienes content in gasoline by polarographic method is studied.

研究了用极谱法测定汽油中的共轭二烯烃含量的方法。

Understand the chemistry of alkenes and alkynes: nomenclature, electronic structures, sequence rule, cis-trans isomers, electrophilic addition reactions and mechanism, Markonikov's rule, conjugated dienes, rules of resonance forms.

A2 E3 了解烯类及炔类的化学性质：命名、电子结构，顺反异构物，亲电子加成反应及机制，马克尼可夫规则，共轭双键及共振式。

The content of conjugated dienes in petroleum products is determined by ultraviolet spectrophotometry.

在化学反应－气相色谱法联合测定含烯汽油中共轭二烯烃质量分数的基础上，建立了用紫外分光光度法测定油品中的共轭二烯烃的含量。

与dienes相关的网络解释 [注：此内容来源于网络，仅供参考]

dienes：二烯类

dienepolymer 二烯聚合物 | dienes 二烯类 | dienipple 打捞公锥

dienes：雙烯類

Alkenes 烯類 | Dienes 雙烯類 | Alkynes 炔類

Dienes block：迪尼斯块

diencephalon 间脑 | Dienes block 迪尼斯块 | dietary obesity 饮食型肥胖症

conjugated dienes：共轭双烯

conjugated diene polymers 共轭双烯聚体 | conjugated dienes 共轭双烯 | conjugated polyene sequences 共轭聚烯序次

conjugated dienes：共轭二烯

12、conduction defects 传导缺陷 | 13、conjugated dienes 共轭二烯 | 14、corneal dystrophies 角膜变性