配体

The complex can improve the antibiosis activity to Escherichia coli.

配合物能提高配体对大肠杆菌的抗菌活性。

Methods The complex was characterized by elementary analysis,infrared and thermal gravitational analysis and antibiosis activity had been tested.

测试配体和配合物分别对革兰阴性菌和革兰阳性菌的抗菌活性。

Chiral amino-hydroxy compounds have been proved to be a very efficient class of ligands in a variety of catalytic asymmetric syntheses and chiral auxiliary synthesis catalyzed by metallic ions.

手性氨基-羟基化合物是一类用于催化不对称合成和手性辅助合成的重要配体。

The C〓-symmetric chiral bisoxazoline derivatives have recently been employed as ligands in a wide variety of metal-catalyzed asymmetric reactions.

在最近十几年中，具有C〓对称性的手性双噁唑啉作为配体被广泛应用于各种金属催化的不对称合成反应，并获得了良好的立体选择性，在某些反应过程中已表现出近似化学酶的功能。

The changes of Mo-Mo bond order and atomic charges with n increasing are discussed.

讨论了随n增加，配体S， S~2， S~4对Mo-Mo键序、原子电荷的影响及其变化规律。

The formation situation of the band for transition metallic carbonyl cluster compounds is analysed with the bond valence formula for atomic cluster compounds.

本文运用原子簇化合物键价计算公式，对过渡金属羰基簇合物成键情况进行了分析，利用金属键轨道数，价非键轨道数和金属配体成键轨道数计算簇合物价轨道总数。

It is also widely used in asymmetric synthesis as chiral auxiliaries.

同时它也可以作为手性配体应用于不对称合成。

BAFF and APRIL are two novel related members of the TNF ligand superfamily.

BAFF和APRIL是新近发现的TNF配体超家族2个关系密切的成员。

Using benzyl phosphorus and pyridine phosphorus ligands, a series of complexes were synthesized and their structures were also discussed.

使用苯基膦酸以及吡啶膦酸配体合成了一系列链状和层状配合物，并对它们的结构进行了研究。

The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of solvent etc.) on catalytic activity were studied. The principle of the copolymerization was investigated.

研究了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、甲醇和酚类化合物作用等）和共聚反应条件（共聚反应的温度与时间、溶剂种类与用量、苯乙烯与一氧化碳量等）对溶液共聚反应的催化活性的影响，探索溶液聚合反应规律。

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。