离子键

单层膜主要指以共价键和离子键为驱动力形成的，多层膜的组装方法主要是分子沉积（MD）技术和基于化学吸附的自组装单分子膜技术。

The former is primarily formed by covalent bond electrovalent bond , while the later is obtained by molecular deposition ( MD ) and SAMs based on chemisorption .

锂离子的静电作用和极化作用，使锰氧之间的离子键成分减小，共价键成分增加，整个尖晶石骨架结构更加稳定。

The electrovalent bond weakens and the covalent bond strengthen between manganese and oxygen due to ion polarization effect , which makes the spinel structure more stable .

离子键交联的聚两性电解质凝胶在不同pH和不同电解质溶液中溶胀行为研究

Study of swelling behavior for ionically crosslinked polyampholyte hydrogels in solutions with various pH and electrolytes

IR分析显示包膜剂与碳酸钙间以离子键结合；

IR analysis showed that coated agent had attached to calcium carbonate surface by ionic bond .

结果表明，苯达松与腐植酸作用时，因腐植酸所含官能团种类、数量不同，形成不同的吸附机理。含有羧基较多的腐植酸HA1，易与苯达松形成离子键，氢键是其可能的吸附机理；

The results of IR analysis showed that the formation of ionic bond was the major interaction mechanism between bentazone and humic acid HA 1 , which containing more carboxyl groups .

发现C60与Al（111）、Cu（111）和Ag（111）表面通过共价键（其中混杂少量的离子键）相结合。

C 60 is bound with Al ( 111 ), Cu ( 111 ), and Ag ( 111 ) surfaces by covalent bonds with a small amount of ionic bonds mixed in .

结果表明，EAA能使LDH层间可交换的阴离子碳酸根脱出，且与LDH产生化学键作用形成羧酸金属离子键，减小LDH片层之间的相互作用；

It showed that EAA had released the original interlayer exchangeable carbonate anions of the LDH , and reacted with LDH forming carboxylic acid metal ionic bond .

研究结果表明：碳原子线与Au电极之间的“接触”（结合）既有共价键的成分，又有离子键的成分；

It is shown that the coalescent between carbon atom chains and Au electrodes is intervenient of covalent bond and electrovalent bond , and the conductance and volt-ampere Characteristics present queer quantum and dimension effect .

紫外光照下复合物PR-DR的离子键转化为共价键而不再溶于DMF。

Under UV irradiation , the PR-DR complex changes its crosslinking nature from ionic to covalent and becomes insoluble in DMF .

实生苗为试验材料，研究了水分胁迫下叶片细胞胞质、与（细胞）壁以离子键结合和与壁以共价键结合的过氧化物酶（POD）和IAA氧化酶活性的变化。

Grown on hills is considered to be drought resistant . Effect of water stress on the activities of cytoplasmic , ionically wall bound and covalently wall bound peroxidase ( POD ) and IAA oxidase in litchi leaves was studied .

从TiC、FeAl和Fe3Al单相，到TiC/FeAl和TiC/Fe3Al复合体系，离子键强度逐渐减弱，而共价键强度逐渐增强。

The ionic bonds became weak , and the covalent was strong gradually from the single phase of TiC 、 FeAl or Fe_3Al , to composite TiC / FeAl or TiC / Fe_3Al .

光照下该组装膜中的离子键转变为共价键，结果是组装膜对极性溶剂和盐水溶液变为非常稳定，从而能直接在KCl水溶液中测定其光电流。

Under UV irradiation the ionic bonds of the film convert into covalent bonds resulting in the film becoming very stable towards polar solvents or salty aqueous solutions and can determine its photocurrent directly in KCl aqueous solution .

酸碱共混膜是通过聚合物中酸碱基团之间的离子键在膜内形成交联的网状结构，可以提高膜的阻醇性能和尺寸稳定性，用于DMFC。

Cross-linked network structure was formed by the ionic bond between the acid and base groups in the acid-base polymer blend membranes , which increased the resistance of the methanol penetrating and dimensional stability properties for DMFC applications .

电子结构的第一性原理计算表明：钛酸钡中Ba-O、Ti-O分别以离子键、共价键形式结合，其相变是Ti原子相对位置发生改变引起的。

Electronic structure by first-principles calculations shows that Ba-O and Ti-O of barium titanate is ionic bonds and covalent bonds , respectively . The phase transition is due to the change in the relative position of Ti atoms .

在Glu-Cu（II）柱上，考察了不同固定方法、不同pH值的铜溶液对键合量及其稳定性的影响，以及固定金属离子键合密度对金属螯合柱配位作用的影响。

As fixing metal ion on the Glu-Cu ( II ) column , the influence of the different fixation methods and different pH values on binding capacity of Cu2 + and stability and the bonded density of immobilized metal ion for the coordination of metal chelate column were examined .

离子键交联聚两性电解质凝胶在电场作用下的溶蚀现象

Erosion phenomenon of ionically crosslinked polyampholyte gels under DC electric fields

适合在教授离子键后给学生做总结。

Students can go through it after the ionic bonds taught .

这就是单离子键的能量。

So this is the energy of a single ionic bond .

水环境中腐殖质金属离子键合作用研究进展

Binding of metal-ions with humic substances in aquatic environments : A review

生成了一根键，离子键。

I formed a bond , an ionic bond .

因此我们得到了离子键。

And so we got to ionic bonding .

所以你看得出极性共价就是，趋向离子键的。

So you can see that polar covalency is a tendency towards ionic bonding .

不过，离子键在水中可溶。

Again , the bonds soluble in water .

与分子的情况一样，晶体也可以分为离子键型和共价键型。

Crystals may be classified as either ionic or covalent by analogy with molecules .

化学键主要有离子键、共价键、金属键。

Chemical bond mainly includes electrovalent bonds , covalent bonds , and metalic bonds .

结果还表明稀土丙酸盐Ln&O键基本上是离子键。

The experimental result showed that Ln-O bond of rare earth propionate is principally ionic .

这是离子键。

This is ionic bonding .

随着离子键作用的加强，有利于提高大豆蛋白的凝胶强度；

With actions of ionic bonds being strengthened , these advantageously improve gel strength of soy proteins .

萘基修饰二乙烯三胺配体的合成、铜离子键合及核酸酶活性

Diethylenetriamine Derivatives Modified with Naphthalene : Synthesis , Copper ( II ) Complexes and Their Nuclease Activities

好吧，一方面，离子键有完全的贡献。

Well , on the one hand , we have ionic bonding where we have complete sharing .