配基

Alkoxyhydroxylpropylchitooligosaccharide and quaternary ammo-nium-hydroxylpropylchitooligosaccharide possess certain emulsifying property, good hygroscopicity and humidity-retaining ability;the former also possesses good compatibleness, the latter also possesses good generating and stabilizing foam ability.

烷氧基羟丙基甲壳低聚糖和季铵基羟丙基甲壳低聚糖具有一定的乳化性能和良好的吸湿保湿性能；而且前者的配伍性能良好，后者表现出优良的泡沫性能。

Two kinds of dsDNA intercalating fluorescent dyes, [Ru2]2+(phen = 1,10-phenanlinthroline; dppz = dipyrido [3,2-a:2',3'-c] phenazine) and BOBO-3 2,2\'-1,3-propanediylbis[(dimethyliminio-3,1-propanediyl -1(4H)-pyridinyl-4-ylidenemethy-lidynebis[3-methyl]-benzothiazoe were employed in this chapter, and two non-covalent labeled fluorescence sensing systems for thrombin determination were successfully developed and compared based on its 29-mer aptamer.

本章利用dsDNA嵌入式荧光染料[Ru2]2+(phen = 1，10-二氮菲； dppz =吡啶[3，2-a：2'，3'-c]吩嗪)及BOBO-32，2\'-1，3-丙二基二[(二甲基亚氨基-3，1-丙二基-1(4H)-吡啶基-4-(丙-1，3-二烯基二[3-甲基]-苯并噻唑)，基于适配体29-mer，分别建立了两种凝血酶检测体系[Ru(phen2]2+及BOBO-3检测体系。

Two coordination polymers composed of in situ synthesized ligand deriving from isophthalic acid through the hydroxylation on the 2-position have been synthesized under hydrothermal conditions.

利用铜离子的氧化还原性质，以铜离子和间苯二甲酸在水热条件下反应使配体发生羟基化衍生成2，6-二羧基苯酚，并组装出2个含衍生配体的配位聚合物。

The compound 1 and 2 are bouth isolated monosubstituted Keggin polyoxometalate with pendant organic ligands. The organic ligand contact to the Ni or Mn atom using the N atom.

化合物1和2为一孤立的带有悬臂有机配体的Keggin结构，有机配体利用它的端基氮原子配位到金属Ni或Mn原子上。

The alkaline-earth metal complexes with mucic acid was successfully prepared via gel formation and characterized by elemental analysis,FT-IR measurements.

结果表明，粘液酸的两个羧基和四个羟基均能参与配位键的形成，而中心离子 Ca~(2+)、Sr~(2+)、Ba~(2+)与配体粘液酸的配位状况存在着一定差异。

In order to investigate the effects of thecomposition and structure of the conductive coordinative polymolecular compounds on theirconductivity,we choose the functional organic molecules that can form stable free-radicalions as the ligands,investigate the coordinative bridging interaction of the transition metals orrare earth ions with the ligands and the compositions and properties of the complexes.It willprovide scientific basis for the development and application of new conductive materials.

为了探讨和总结导电性配位高分子化合物的组成及结构与化合物导电性能的关系和规律，我们选择了能形成稳定自由基离子的功能性有机小分子化合物作为配体，研究它们与过渡金属离子及稀土离子的配位桥联作用以及有关配合物的组成和性质，从而为新型导电材料的开发和应用提供科学依据。

N-(2-hydroxyethyl) salicylaldimine is coordinated in tridentate coordination mode. The coordinated atom of the ligand includes oxygen of hydroxybenzene, oxygen atom of hydroxyethyl, and nitrogen atom of imine.

配体N-（2-羟乙基）水杨醛亚胺以三齿方式配位，其配位原子包括酚羟基氧原子，醇羟基氧原子和亚胺基氮原子。

X-ray crystal structure analysis for complex 1 reveals that the copper ion is penta-coordinated by a D-and a L-diamine ligand, and two copper ions are bridge-connected by two cyanides from [Fe6](superscript 3-) in axial position.

晶体结构分析表明，化合物1中Cu离子处于五配位的配位环境，分别和1个D-La，1个吞L-La及[Fe6](上标 3-)中的l个氰基配位，2个Cu离子通过[Fe6](上标 3-)桥联。

The complexes were characterized by elemental analysis,UV,IR,TG,NMR and molar conductance measurements.Their formulas were in accordance with C34H32O8N2LnCl·nH2O or 〔(L4)2LnCl·nH2O,Ln=Nd,n=4;Ln=Pr,Yb,n=2;Ln=Sm,Eu,Dy,n=1〕.All the water molecules were uncoordinated.Dinuclear complexes were observed in the coordination environment.The coordination number of central ions was nine.

经元素分析、红外光谱、紫外光谱、核磁共振谱、质谱、摩尔电导、差热热重分析确证结构，其化学式为C34H32O8N2LnCl·nH2O，简写为：(L42LnCl·nH2O，Ln=Nd，n=4；Ln=Pr，Yb，n=2；Ln=Sm，Eu，Dy，n=1；该类配体是以酚氧原子、亚氨基的氮原子、桥联的羧基氧原子以及氯原子同稀土离子配位，形成了九配位的双核配合物。

This paper introduces the typical structure,especially the method of loop and the principle of subsection of Hangzhou distribution system,analyses the configuration of low voltage net.

介绍了杭州市电力局现行配电网的网架结构，着重就环网方式、分段原则以及低压配电网的布置进行了分析，提出了配电网设计的基本原

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。