查询词典 ionic

A chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond .

一种化学键：由两个负电原子及其间的氢原子组成，其中一边是共价键，另一边是离子键。

It has been recently suggested that a simple model based on the concept of optical electronegativity and some other parameters should be good enough to study the main properties of ionic crystals and semiconductors with the use of only a few numerical constants.

它已 最近提出一个简单的模型的基础上，的概念，光电和其他一些参数应该不够好，研究的主要性能的离子晶体和半导体与使用只有极少数的数值常数。

If the optical electronegativity Dwglass is high, the materials are considered ionic in nature and if its magnitude is less, the materials are considered to be covalent in nature.

如果光 电DW的玻璃是高，材料被认为是离子的性质，如果其规模较小，材料被认为是共价键的性质。

The combination energy includes hydrogen bond energy and electrostatic energy of ionic-pair,and contribution of the later is main.

分析晶胞发现每一个晶胞包含四个EM IM+/C l-离子对，测定咪唑环上C2和C l原子的距离为0.355 nm，认为C2-H…C l间形成了氢键。

The compound is an ionic compound consisting of a cation NH(subscript 4 superscript +) and an anion C6H2N3O(subscript 9 superscript -), and it is the mono-substituted salt of TNPG. Since the existence of complicated hydrogen bond networks and electrostatic attraction between NH(subscript 4 superscript +) cation and C6H2N3O(subscript 9 superscript -) canion, the compound possesses better stability and low sensitivity.

该化合物是由一个铵根离子与一个一价的三硝基均苯三酚负离子相结合而形成的离子型化合物，分子中存在的大量氢键及铵根离子与三硝基均苯三酚负离子之间的静电引力使得该化合物具有较高的热稳定性和较低的感度。

The interactions of dsDNA and ssDNA with two osmium complexes have been studied by surface electrochemical methods based on DNA modified electrode. It is found that both osmium complexes bond DNA with electrostatic interaction. And some thermodynamics and kinetics constants, such as bindind constant , ratio of binding constants K〓/K〓, limiting ratio K〓°/K〓°at zero ionic strength (μ＝0), free energy ΔG〓, dissociation rate constant k and binding site size s have been obtained.

研究发现两种锇配合物都是通过静电作用与DNA结合，并计算得到联吡啶锇和二氯菲咯啉锇与dsDNA和ssDNA相互作用的结合常数、结合常数比K〓／K〓、μ＝0时极限结合常数比K〓°／K〓°、结合自由能ΔG〓、解离速度常数k和结合位点数s等多个热力学和动力学参数。

Electrovalence:Valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionic bond between the atoms.

电价：在原子间形成离子键的过程中，由电子从一种元素的原子转移到另一种元素的原子所表示的价。

In this thesis, we implemented a mathematical model of coupling between membrane ionic currents, energy metabolism, blood-brain barrier exchanges and hemodynamics.

此模型将脑活动中涉及到的离子迁移、能量代谢和血液动力耦合在一起，分析得到相关参数的联系。

A new equation of state for the osmotic pressure in the nonionic and ionic surfactant systems has been developed.

建立了一个新的用于计算非离子和离子微乳液体系渗透压的状态方程。

Experiments were conducted to study the effect of parameters, such as ionic strength, pH, equilibrium time and initial cadmium concentration.

考察离子强度、pH值、温度和镉初始浓度对吸附的影响，并进行相应的动力学与热力学计算。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐