查询词典 reaction ring

Moreover, ring closing reaction of 2,3-dithienylmaleimide was speeded up by efficiency intramolecular energy transfer.

同时，由于采用了分子开关作为分子内受体，荧光共振能量传递现象也在该类化合物中被观察到。

I was watching the Blackburn game on TV on Saturday when it flashed on the screen that George Ndah had scored in the first minute at Birmingham. My first reaction was to ring him up.

某个星期六我在看电视里布莱克本的比赛，当屏幕上闪出乔治-恩达赫在伯明翰第一分钟就进球的字幕时，我的第一反应就是打电话给他。

Thus polymerizable intermediate was prepared from epoxy resin and acrylic amide, making use of ring - opening reaction between both of them.

传统的丙烯酸树脂与环氧树脂物理共混后易沉降分层，难以体现二者的特性，限制了其应用范围。

The linked -OH and aromatic ring showed synergistic reaction and enhanced their interaction.

磷酰化肽酯及小肽的体积大小、空间位阻对相互作用亦有显著影响。

On the contrary, the existence of electron-donating groups on the benzene ring would prolong reaction times and decrease the yields.

使用苯胺为反应底物考察了各因素的影响，在优化的反应条件下，苯胺的转化率可达到99.7％，N-甲基-N-苯基氨基甲酸甲酯的收率为83.2％。

The complex is applied to the ring cleavage reaction of various organic boron agents to the hetero atom norbornadiene.

该类络合物适用于各类有机硼试剂对杂原子降冰片二烯的不对称催化的开环的反应。

The cationic reaction of an epoxy ring with hydroxyls on the cellulose in wood can increase a hybrid UV system's adhesion.

阳离子使环氧树脂的苯环与木制纤维素的羟基反应可以增强 UV 混合体系的附着力。

It is discovered that there is a satisfied linear relationship between the experimental impact sensitivity and the activation energy of the ring breaking reaction.

首次提出并运用&取代基模型&(即将金属原子视为四唑环上的取代基、对金属配合物的处理采取与计算衍生物完全相同的模式)较为简便地计算研究了系列四唑金属配合物的热解反应，发现开环形成叠氮化物的活化能与它们的实验撞击感度之间存在良好的线性关系。

The activation energy of B ring elementary reaction is between 16～20kJ/mol.

从IRC结果以及对过渡态结构的电子密度拓扑学分析结果可以确定，羟基自由基在反应过程之中抽取了黄酮类化合物A环上未参与分子内氢键结构的酚羟基上的氢原子形成水分子及稳定性更高的半醌式大环自由基，在整个过程之中羟基自由基从反应物一侧进攻并逐渐发生扭转，直至形成一个进平面结构的过渡态结构，这与上一章关于黄酮类化合物B环的研究结果基本一致。

The silane-terminated epoxy resin is obtained from a ring opening reaction of an epoxy resin e.g.

改质后的环氧树脂掺混四乙氧基矽烷或奈米级二氧化矽以行溶胶凝胶法反应。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。