查询词典 tetrazine

The relationship between molecular structures and application properties of tetrazine dyes used for liquid crystal colour display is investigated .

对均四嗪衍生物作为液晶彩色显示用染料结构和应用性能的关系进行了研究。

The tetrazine high-nitrogen energetic materials are new kinds of ones researched and reported widely at home and abroad in recent years.

四嗪环是一种含氮质量分数达68.3%的六元氮杂环含能基团，是设计高能钝感含能材料中非常有效的结构单元；四嗪类高氮含能材料也是近年来国内外研究和报道较多的一种新型含能材料，部分具有生成焓高、热稳定性好和感度较低等特点。

The tetrazine high-nitrogen energetic material s are new kinds of ones researched and reported widely at home and abroad in recent years.

四嗪环是一种含氮质量分数达68.3%的六元氮杂环含能基团，是设计高能钝感含能材料中非常有效的结构单元；四嗪类高氮含能材料也是近年来国内外研究和报道较多的一种新型含能材料，部分具有生成焓高、热稳定性好和感度较低等特点。

The accurate heat of formation 1088 kJ?mol^(-1) of DAT in gas phase was obtained via designed isodesmic reaction in which the tetrazine ring and the azide group have been kept.

在不破坏四嗪环和迭氮基的原则下通过构建等键反应求得了DAT的精确生成热为1088kJ？

The accurate heat of formation 1088 kJ·mol－1 of DAT in gas phase was obtained via designed isodesmic reaction in which the tetrazine ring and the azide group have been kept.

在不破坏四嗪环和叠氮基的原则下通过构建等键反应求得了DAT的精确生成热为1088 kJ·mol—1。

The conclusion was drawn that the tetrazine ring and amino group in the DAAT structure were in a plane and were able to build a conjugated π-bond, the calculated fre-quency and intensity were consistent with the experimental values in IR spectra, all thermal energy, thermal capacity and entropy would increase with the increase of temperature.

结果表明： DAAT分子结构中偶氮基两侧的四嗪环和氨基基本在同一个平面上，形成一个大的共轭π键；红外谱计算频率和强度与实验结果整体吻合较好；热能、热容和熵均随温度的升高而增大。

The thermal decomposition trajectories of s- tetrazine molecule and its five derivatives were simulated by ab initio molecular dynamics method to acquire the possible decomposition pathways and identify their relative importance.

采用从头算分子动力学方法，对均四嗪分子及其5种衍生物分子的热分解轨迹进行了模拟，获得了它们的各种热分解途径及其难易程度。

The first singlet vertical excitation energy 2.227 eV of the monomer s -tetrazine and the T-W n clusters have been investigated by time-dependent density functional theory.

同时， 用含时密度泛函理论方法在TD-B3LYP/6-31＋＋G**水平计算了 s -四嗪单体及其氢键复合物的第一1激发态的垂直激发能。

Nine kinds of compounds from the connecting units and substitutional radicals (-NH_2、-N_3) substituting the tetrazine are designed and analysed their electronic structures, different radicals contribution to heat of formation, velocity and pressure of detonation.

设计了连接桥和取代基(-NH_2、-N_3)与1，2，4，5-四嗪环直接相连得到9种化合物，分析和讨论了它们的电子结构以及不同基团对生成热、爆速和爆压的贡献。

Dyes ; tetrazine ; dichrcism ; liquid crystal devices ; parameter ; order

染料；四嗪；二向色性；液晶显示器件；有序；参数

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。