查询词典 ionic structure

The resulted alkylated products could be easily recovered due to immiscibility with the ionic liquid in some case.

同有机溶剂作为反应介质相比，离子液体表现出独特的溶剂效应和更好的催化活性。

Medium to high conversion and selectivity were achieved with easy separation of the products from the ionic liquids due to their immiscibility.

反应具有适中至高的转化率和选择性，依据底物的不同，反应结束后可以和离子液体系分层，便于产物分离。氯铝酸离子液体具有一定的重复使用性

The resulted alkylated products could be easily recovered due to immiscibility with the ionic liquid, and the catalyst could be repeatedly used.

结果表明，离子液反应体系中存在着烷基化反应与异构化反应两个不同的反应阶段。该体系具有很好的催化性能，而且是常温反应，产物易于分离、纯度高，催化剂可以重复使用。

The perturbative theory of laser induced collisional charge exchange is presented, in which the laser induced collisional charge exchange is described as a four body system and the compound atomic and ionic states are used as basis states of LICCE, and the equation of motion for the probability amplitudes of the states are obtained.

将激光感生碰撞电荷交换看作一个四体系统，发展了激光感生碰撞电荷交换的微扰理论；以独立原子和离子的复合态波函数作为激光感生碰撞体系的基组函数，得到了体系态振幅的运动方程。

These are combination of ceramic hair straighteners and ionic tourmalilne technology that make use of infra red heat.

这些都是结合陶瓷头发直和离子tourmalilne技术，利用红外线热。

With some examples, the correlat ions between the thermal expansion coefficients of minerals and the types of cr ystal structures, the nature of chemical bonds, the valencies of ions , the interionic distances, the percentage ionic characters, the electronic conf igurations of ions and the chemical compositions are discussed and summarised . The crystal chemistry approach has been used in the calculation of the th ermal expansion coefficients for minerals with simple structures and composition s.

晶体化学方法是研究矿物热膨胀系数的有效方法，但由于矿物的热膨胀系数和晶体化学参数之间的定量关系尚未完全弄清，目前仅仅能对简单结构矿物的热膨胀系数进行计算，结构、成分较复杂的矿物的热膨胀系数计算尚缺乏好的晶体化学模型。

Ionic liquid; volume properties; interstice theory; Pitzer theory; medium effect

离子液体；体积性质；空隙理论； Pitzer理论；介质效应

An ionic bond is characterized by the transfer of an electron from one atom to the other.

离子键的特点是一个电子可以从一个原子转移到另一个原子。

Ionic bond A bond formed when an electron passes from one atom to another.

离子键：一种由于电子在两个原子间迁移而产生的键。

Once there are a few bases built in, the ionic bond is so strong between the template and the primer, that it does not break anymore.

一旦有几个碱基掺入，此时在引物与模板之间的离子肩更强，不会再断裂。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样