配位

The fluorescent probe of ion of Eu coordination polymer type is chemical formula which is {Eu1.5(H2O)2}n(TDA is equal to 2, 5 hyphen thiofuran dicarboxylic acid),it has the structure of three-dimensional nanometer void.

Eu配位聚合物型锌离子荧光探针是下述化学式为{Eu 1.5 (H 2 O) 2 } n (TDA＝2，5-噻吩二羧酸)，它具有三维纳米孔洞结构。

The structure and composition of the title complexes were characterized by means of elemental analysis, EDTA titrimetric method, UV spectra and IR spectra.

利用元素分析、EDTA配位滴定分析、红外光谱和紫外吸收光谱分析对目标物的组成与结构进行了表征，并研究了其发光性能和热稳定性。

The structure and composition of the title complexes were characterized by means of elemental analysis, EDTA titrimetric method, UV spectra and IR spectra. The fluorescence properties and thermal stability of the title complexes were also studied.

利用元素分析、EDTA配位滴定分析、红外光谱和紫外吸收光谱分析对目标物的组成与结构进行了表征，并研究了其发光性能和热稳定性。

Their molecular compositions and structures were characterized by means of elemental analysis, EDTA titrimetric method, conductivity determination, FT-IR and UV spectroscopies; their thermal properties were studied by thermal analysis instrument.

通过红外光谱分析、紫外光谱分析、元素分析、EDTA配位滴定分析以及电导率的测定对铕三元荧光配合物的组成及结构进行表征。

It was found that the axially coordination of one Br - anion toCo 2 shifts the potential of porphyrin system to more positive value. The reduction peak of 0.12 Vvs.

发现在较高电位下，两个Br－轴向配位的Co2其一个Br－发生脱落表现出Co的行为特征，这被证明是Br－的氧化所致。

Diethylene triamine had good control of the synthesizing of ZnSe nanocrystal, but the condition of high temperature and strong alkalescence had negative influence on the morphology of nanofibers. PAN and MMA-BMA-AA nanofibers whose diameter were about 200nm could be electrospun by optimize technics summed by experiment.

通过实验总结出制备PAN与MMA-BMA-AA静电纺纳米纤维优化纺丝工艺，可纺出直径在200nm左右的PAN／MMA-BMA-AA纳米纤维毡，所得聚合物纤维包含一定数量的羧基，Zn~(2+)在溶液条件下可与之配位。

The coordination geometry of the Eu atom is best described as a strongly distorted square-antipyrism.. The two Eu atoms are bridged by two N-oxide oxygen atoms forming a dimeric unit with crystallographic inversions centre. The Eu……Eu distance is 4.2137(9)〓. The two europium atoms and two bridging oxygen atoms is coplanar. The angles of Eu(1)-O(7)-Eu(1A) and O(7)-Eu(1)-O(7A) are 117.82(14)° and 62.18(14)°, respectively. 15 is the first dinuclear triboluminescent lanthanide complex reported.

同时还测定了其摩擦发光光谱与其光致发光光谱，并讨论了晶体结构和摩擦发光活性之间的关系。X-射线结构分析表明，15为有对称中心结构的配合物，每个Eu与三个HTTA的六个O原子和两个PyO的两个O原子形成八配位的四方反锥几何构型，2个N-Oxide O原子桥联两个Eu，形成了一个双核配合物，Eu。。。。

Chapter 1 describes the synthesis and characterization of a novel tridentate benzamidinato ligand[2SiNMe2](Si=linking group)la.

第一章根据含氮的胺类化合物的良好的反应性和配位性。

It is considered that the carboxylic groups coordinate to the metal ions in four modes: monodentate, the chelating bidentate, the bridging bidentate, and thebridging-chelating tridentate.

一般认为羧酸基有四种配位方式：单齿、螯合双齿、桥联双齿和螯合桥联三齿。

The copper center was situated in a distorted square pyramidal (4+1) CuN3X2 coordination geometry with terpyridine acting as an equatorial tridentate ligand.

在配合物中，中心铜原子的配位环境为变形四为锥，并通过分子内和分子间的C-H…C1和C-H…O氢键作用形成三维梯状结构。

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。