配位

According to molecular design, an inter-molecular-coordination borate eater containing nitrogen as coupling a-gent was synthesized. There are two reactive groups, amino and butoxy in the borate ester molecule.

中文文摘］通过分子结构设计，合成了一种氮-硼内配位结构的硼酸酯偶联剂，解决了硼酸酯水解稳定性差的问题，同时分子结构中含有氨基、丁氧基等活性基团。

A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid was set up.

以乙二胺四乙酸或柠檬酸作配位剂，在无氰的硫代硫酸盐–亚硫酸盐体系中研究了金在镀镍铜基底上的电沉积。

The central carbonium ion is an important center of interaction between the dye and GaP.

碱性品红分子的中央碳正离子与GaP表面具有孤对电子的氧原子形成配位键。

The central carbonium ion is an important center of interaction between the dye and GaP. The oxygen atom with one lone pair of electron on the GaP surface acts as the electron donor.

碱性品红分子的中央碳正离子与GaP表面具有孤对电子的氧原子形成配位键。

The results show that the formation of dry gas is abided by reaction mechanism involving the cleavage of pentacoordinated Carbonium ion which is formed by the protonation of alkanes over acidic catalyst.

结果表明，烷烃分子首先在催化剂酸性中心作用下发生质子化反应，烷烃分子链上易受到氢质子进攻的位置一般在其叔碳原子或碳链中心碳原子附近的C—H键或C—C键处，形成两种反应过渡态物种——五配位正碳离子H-Carbonium和C-Carbonium。

Free amino group and carboxy group on short peptide and amino acid can coordinate metal ion with vacant orbital to form chelate compound.

短肽和氨基酸的自由氨基上的-NH_2、羧基上的-C=O等均可与具空轨道的金属离子产生配位键，形成螯合物。

Schiff base matel complexes are of great importance in the field of catalytical study, bioinorganic chemiestry, coordination chem...

金属Schiff base（手性Schiff base一般称为Salen）配合物的研究，在催化研究、生物化学、配位化学、超分子化学等领域具有十分重要的意义。

The results can be expressed as follows:(1) With the increase of water phase content, the amine salt aggregated orderly in different forms such as W/O micro-emulsion, nodus-knot catenulate aggregates, layer liquid crystal and O/W micro-emulsion.(2) In layer liquid crystal, SO〓 mainly combined with amine salt cation by two oxygen atoms in bridge.(3) In UV-VIS spectrum of layer L. C., there is an absorption about 500 nm and "light short circuit"appeared about 430 nm. These phenomena may be very important for measuring the distance between the layers of the L.

研究发现该体系随水相含量的增加，胺盐发生不同形式的有序缔合，分别形成了W/O型微乳液、&节-结&型链状缔合体、层状液晶和O/W型微乳液：在层状液晶中，SO〓主要以桥式双齿配位形式存在，中性胺分子有利于体系中液晶的形成；层状液晶于500nm波长处有一吸收峰，在430nm附近发生&光短路&现象，该现象可能对测定层状液晶的层间距有重要意义。

Based on centroplasm theory of Wu ZhongWei and continuous compact coordinate theory of Liu ChongXi, professor Wang LiJiu devises concrete framework model, that is coarse aggregate are accumulated most closely with some coordination form by mechanical mixing, vibrating and gravity and form the concrete structural frame, then the mortar is used to fill up the air gap, bond and strengthen the coarse aggregate and make a whole body with strength.

以吴中伟的中心质理论和刘崇熙的连续包围垛密理论为基础，王立久教授提出混凝土架构模型，所谓架构模型是指粗集料在机械搅拌、振捣和重力作用下，按照一定的配位形式最紧密堆积构成混凝土骨架，砂浆填充粗集料的空隙，进而粘结龛固粗集料，形成一个具有强度的整体。

The results of FTIR and QCM measurement showed that Schiff bases could chemisorb on the copper surface through coordination, indicating that it is feasible to prepare SAMs of Schiff bases on the copper surface.

QCM和FTIR结果表明，希夫碱分子通过其中的亚胺基与铜的配位作用在铜表面发生化学吸附，从而形成自组装膜。因此用自组装技术在铜表面上制备希夫碱自组装膜是可行的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。