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These coordination compounds mostly have group ⅡB metals as center ions. The complexes are classified with ligand as three types: thiourea type, allylthiourea type and thiosemicarbazone type.

这类配合物大都以ⅡB族金属为中心离子，根据配体不同可分为硫脲类、烯丙基硫脲类及缩胺基硫脲类3种类型。

The spectroscopic and electrochemical studies suggest the energy structure of this class complex can be easily controlled by modification. With the introduction of electron-donating arylamino groups, the obtained complexes show intense and continuous absorption bands in the region of 250-550nm with strong metal-to-ligand charge transfer dπ(Pt →π* transitions (ε~ 2×104 dm3 · mol-1 · cm-1). Complexes involving the construction of D-π-A type systems also display continuous absorption bands in the region of 400-750nm, rising from the overlapping effect of MLCT and LL'CT bands.

其中，芳胺及其二聚体类修饰基团的引入，使其配合物MLCT吸收谱带的摩尔吸光系数增加，并在250～550nm范围内形成了强的连续吸收；具有D-π-A结构的配合物，由于MLCT吸收谱带和LL'CT吸收谱带的协同效应，导致在400～750nm范围内形成连续吸收；得到了从绿光到深红光的磷光发射系列配合物，并采用真空蒸镀的方法获到了外量子效率分别为5.7%和5.0%的橙光和橙红光多层电致发光器件。

From the results, it seems that this new macrocyclic ligand is able to bind three different amino acids with selectivity in aqueous solution, and the strength of binding is of the order lysine＜glycine＜aspartic acid.

通过合成金属配合物，在结构和功能上模拟生物酶的活性中心或结构中心是研究酶的结构与活性关系的重要手段，也是生物无机化学的一个主要研究方向。

These responses are controlled by a defense signaling network, which is activated by the recognition of a plant resistance gene encoded protein, R protein, and a pathogen avirulence gene encoded protein, Avr protein, in a model of the receptor ligand recognition.

这个信号系统由抗病蛋白和病原菌非毒性蛋白在一种配体受体的互作模式下激发，并由信号分子H2 O2 ，NO和系统信号分子SA ，JA和乙烯和通过关键调控基因传递和放大，最终诱导一系列防卫反应基因的表达和代谢的变化而产生抗性。

It was also shown that the free OH in the ligand was very important in selective control by hydrogen bonding to the benzylamine.

主要原因是配体中 BINOL 羟基由于会和苄胺形成分子内氢键而对反应的选择性起到了关键作用。

Lithium complexes 1b,1d and Zirconium complexes 1c,1e,lf were prepared using the benzylamine ligand. X-ray crystal structures of these complexes were determined.

合成了一种新型的硅桥联的多齿胺类配体[PhNHSi(NMe_2)NHPh]，在此基础上研究了其对应的碱金属化合物和过渡金属锆的络合物的制备，并进行它们的X-射线晶体结构的分析。

To our surprise we achieved the ligand 9, 11 and 29 with coordinating atoms fixing at benzylic and benzene ring positions, whose structure is unique in the planar chiral cyclophane chemistry.

以钯催化的烯丙基取代反应对配体进行了考察，硫醚或硒醚取代基在苄位取代的配体表现出更高的反应活性和更高的对映选择性，配体9和11均给出最高为94％的ee值。

Based on studies of RCM reaction of 50 and CM reaction ofacrylonitrile with 1-octene or 1-decene catalyzed by pyridine derivative-coordinatedruthenium benzylidene complexes, it can be concluded that ruthenium benzylidene complexwith the more labile dissociating ligand exhibits the higher initial activity and better catalyticperformance.

吡啶衍生物配位的钌卡宾配合物催化含氰基烯烃50闭环交互置换反应和丙烯腈与1-辛烯、1-癸烯交叉交互置换反应表明，催化剂中吡啶衍生物配体越易解离，其初活性越高，催化活性越好。

In the same time, water-soluble bidental phosphines ligand BISBIS sulfonated 2,2''-bis(diphenylphosphinomethyl-1,1''-biphenyl was synthesized, and water-soluble rhodium complex Cl was synthesized in situ. This complex which was used as catalysts to catalyze the hydrogenation of avermectin was also tested. Although the rhodium complex containing bidentate phosphine BISBIS showed a higher catalytic activity than one containing TPPDS, the selectivity for ivermectin was lower. How to improve the selectivity will be needed to studied in futur.

同时我们用磺化的2，2''-二-- 1，1''--联苯，以及它们的水溶性威尔金森型铑配合物和环辛二烯的阳离子铑配合物，在利用这些配合物作催化剂，考察它们在各种反应条件下对阿维菌素的选择加氢，由于反应条件以及复合催化剂体系的组成还需要进一步优化，虽然双齿膦配合物显示了较高的活性，然而选择性还有待进一步提高。

The catalyst surface SO_4~(2-) chelated by a bidentate ligand structure together with the carrier.

2采用Hammett指示剂法、IR、TG-DTA、BET分析手段对催化剂物性进行表征。

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。