查询词典 ionic structure

Moreover, the conversion and enantioselectivity in the ionic liquid were also higher than that in hexane.

试验结果表明，[PF6]中的酯化反应速率，酯化转化率和手性选择性都优于正己烷。

The method is developed by using Hildebrand approximation and an ionic model based on Harrison's treatment of overlap repulsive potential which takes into account the interactions up to second neighbors.

这种新方法的理论基础是利用Hildebrand近似、并运用Harrison的处理方法来考虑排斥能，即考虑离子间的相互作用直到次临近离子。

With the increase of the number of HCN/HNC, the stabilities of ionic clusters M 〓/M 〓 are decreased, and relative binding energies are reduced.

随着HCN/HNC缔合数目的增多，它们与金属离子反应形成团簇离子的稳定性逐渐下降，相对结合能逐渐降低。

Provided is a liquid crystal sealant composition in which an aqueous solution obtained by admixing the epoxy resin composition with purified water has an ionic conductivity of 1 mS/m or less; the B stage-reduced product has a viscosity of 50 to 10000 Pa.s at 80 to 100 DEG C; the cured matter of the above composition has a linear expansion coefficient of 10x10-5 mm/mm/ DEG C or less and a glass transition temperature Tg of 100 DEG C or higher; and the above cured matter has a moisture permeability of 200 g/m2.24 hours or less at 80 DEG C and which can meet a liquid crystal display element produced by a single layer press hot bonding system and exhibits high adhesion reliability and makes it possible to produce a homogeneous liquid crystal display element having a high quality.

本发明提供一种液晶密封剂组合物，其中：通过将环氧树脂组合物与相同质量的净化水混合得到的水溶液具有离子电导率为1mS/m或更小；在80～100℃下半溶阶段折合产物的粘度为50～10000Pas；上述组合物的固化物具有线膨胀系数为10×10－5mm/mm/℃或更小，热形变温度Tg为100℃或更高；且上述固化物在80℃时具有透湿率为200g/m224小时或更小，这能够满足通过单层热压粘结体系生产的液晶显示元件，并具有高的粘结可靠性，使得有可能生产出具有高质量的均匀液晶显示元件。

The results show that the effects of formation of gas hydrate on the variations of ionic concentrations are not alike in different ...

结果表明：在不同的反应条件下，水合物的生成对各离子浓度变化的影响不同。

Further treatment of the Ru nanoparticles with chiral modifier (1S, 2S)-1, 2-diphenyl-1, 2-ethylene-diamirse (1S, 2S-DPEN and KOH in ionic liquid/i-PrOH mixed solvent resulted in a novel immobilized chiral catalyst which can asymmetrically hydrogenate acetophenone and its derivatives.

将此钌纳米粒子与(1S， 2S)-1，2-二苯基乙二胺（简称(1S， 2S)-DPEN）、KOH在离子液体／异丙醇介质中原位生成一种不对称加氢催化剂，用于催化苯乙酮及其衍生物的不对称加氢反应。

In non ionic detergents, hydrophilicity is based on the presence of multiple hydroxyl groups or other hydrophilic groups.

在非离子洗涤剂中，亲水性是基于多羟群和其它亲水残余物的存在而产生。

Micro-molecular-cluster Ionic Water Bottle, one kind of medical instrument increasing the concentration of micro-molecular-cluster water, which is good at curing hyperpiesia, hypotension, coronary arteriosclerosis heart diseases, cerebral artery sclerosis, high fat blood symptom, etc.

小分子团离子水瓶，一种磁化处理水的医疗器械，增加水中小分子团水的浓度，治疗高血压、冠心病、脑动脉粥样硬化、高血脂、高黏血症等疾病。

Synthesis of ethyl lactate is studied by using imidazole ionic liquid as catalyst and ethyl acetate as water-stripping agent.

以酸性咪唑离子液体为催化剂，乙酸乙酯为带水剂研究了乳酸乙酯的合成。

In addition to the lithium salts, we have also synthesized and studied the other types of ionic liquids, in which N-methyl-N-propyl piperidinium bis imide (PP13-TFSI) shows a wider electrochemical window -0.3 ~ 5.6 V vs.

在实践中对项目研究作了部分调整，另外也合成和研究了其它类型的离子液体，其中N-甲基-N-丙基哌啶三氟甲基磺酰亚胺（PP13-TFSI）表现出更宽的电化学稳定窗口-0.3 ~ 5.6 V vs。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。