查询词典 zwitterionic

The results showed that good synergism of all composite systems could be seen, especially the composite systems of anionic/cationic, anionic/zwitterionic surfactants showed better synergism than others.

结果表明：复合体系均体现了一定程度的协同性能，但阴／阳离子型、阴／两性型表面活性剂复合体系的增效协同性能更好。

General meanings, feather and behavior of surfactant, Chemical structure, characteristic and synthesis of anionic, cationic, non-ionic and zwitterionic surfactants, Extraordinary properties and their correlative effecting factors.

阳离子、非离子和两性离子表面活性剂的化学结构、特点和合成方法；同时对表面活性剂的性质及相关因素作一大致的阐述。

We find that, during the course of coating, thermodynamic cortrol can influence efficiency and life for column more effectively than kinetic cortrol; the rinse and laying out after coated zwitterionic surfactant can also influence the thickness and uniformity of layer coated.

三。探索了 EIC 体系的实际应用在 EIC 体系的应用方面研究了无机、有机电解质和极性化合物在该体系的色谱保留行为，探索了一些无机、有机阴离子和极性有机分子在 EIC 体系的色谱分离。

We through search the stable zwitterionic conformers in solution using Self-Consistent Reaction Field Model. We study the properties of aspartic acid such as ionization energies, electron affinities and IR spectra and compare with the results in gas phase.

我们使用自洽反应场模型对天冬氨酸水溶液中的双电性构型进行了系统的寻找，研究了水溶液中天冬氨酸构型的电离能、电子亲合能以及红外光谱等性质，并与气相中的结果进行了对比。

These two reactions that give different four-memabered heterocyclic products; both proceed;via a two-step mechanism involving a zwitterionic intermediate.

结果表明，这两个生成不同四元杂环产物的平行反应均为有一两性离子中间体的分步反应。

It is concluded that the infrared photodissociation spectroscopy of protonated serine clusters H+n, n = 2 8, provides evidence for a size-dependent transition from neutral to zwitterionic network structures.

第四章的结论中提到由此一系列由二至八的丝胺酸团簇红外吸收光谱结果，我们观察到从二聚体的中性丝胺酸单位到八聚体的两性离子单位，中间经历了结构转换的过程。

The 3565 cm-1 band, on the other hand, progressively decreases in intensity with increasing n and it disappears completely at n = 8, suggesting that the protonated serine octamer is dominated by zwitterionic structures.Chapter four gives a conclusion.

当此团簇的丝胺酸数目渐多时，第一根吸收峰（3565 cm-1）的高度则随著渐减，直到八聚体时这根吸收峰完全消失，证明了质子化丝胺酸八聚体在气相状态下的结构是以两性离子为主。

The equilibrium geometries of squaraines substituted by heteropentacyclic, benzo fuzed heteropentacyclic, heterohexacyclic, benzo fuzed heterohexacyclic, heptacyclic, benzo fuzed heteroheptacyclic and zwitterionic squaraines were obtained with ab initio calculation at HF/6-31G* level and the electronic spectra were examined using CIS/6-31G* method.

用从头算6-31G~*方法优化了多种五元杂环、苯并五元杂环、六元杂环、苯并六元杂环、七元环和苯并七元杂环取代的方酸分子以及方酸两性离子分子的几何结构；用CIS／6-31G~*方法计算了其电子光谱；通过TDHF／6-31G~*方法计算其线性极化率、一阶和二阶超极化率来研究分子结构和非线性光学性质之间的关系，同时用两态模型解释了部分分子的一阶超极化率。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。