查询词典 tridentate

The central Ni ions are coordinated by six nitrogen atoms from the two I single tridentate ligands L and possess distorted octahedral geometry.

中心镍离子与两个配体上的六个氮原子配位构成变形八面体结构。

The 〓 coordinate to silver ions as tridentate unit forming two different 12-member rings which combine to make a infinitive one-dimensional chain.

CuL〓〓作为三齿配体与银配位形成了两种不同的十二元环这些环连接成一个无限的—维链。

The capacity of combination between monomer silicic acid and monomer aluminum was weak, while it was stronger between the polymer silicic acid and monomer aluminum and the products were mainly bidentate or tridentate coordination compounds.

单体硅酸与单核铝的结合能力较弱；聚硅酸与单核铝的结合能力则较强，反应产物主要为二啮或三啮配合物。

These tridentate chromium complexes afforded moderate to high activity for ethylene oligomerization and polymerization with broad oligomer distributions from C_4 to C_(36) and some complexes got special distributions of oligomers.

在改性甲基铝氧烷的作用下，这些配合物都表现出中等或高的齐聚和聚合活性，并且齐聚产物分布较宽从C_4到C_(36)，一些配合物还得到了特殊分布的齐聚产物(C_6含量很低)。

The ligands are tridentate and bridge across the Ag〓 triangles with bridging S atoms occupying all three edges of these trans-oriented triangles.

三齿配体通过硫原子形成了跨过Ag〓三角平面的三条边的桥键。

The results are following:(1)We investigated the influence of the positional isomeric effect on structures.Due to the less space-crowding,it is easier for 3-pytpy to behave as bridging ligand than 2-pytpy under the same reaction conditions,while,it is easier for 2-pytpy to function as tridentate chelating ligand to construct supramolecular structures.

研究结果如下：(1)研究了两个吡啶取代三联吡啶配体的位置异构效应对配合物结构的影响。3-pytpy配体比2-pytpy具有更小的空间位阻，在相同的合成条件下容易以单-三齿桥联方式配位；而2-pytpy更易以三齿螯合形式配位，通过π…π堆积作用形成超分子结构。

Two novel tridentate polypyridyl mixed-ligand cobalt [Co(H2Bzimpy)]3+ and ruthenium complexes were synthesized and characterized via elemental analysis and 1H NMR. The crystal structure of complex B was determined.

合成了两种新型三齿多吡啶钴 [Co(H2Bzimpy)]3+和钌混配配合物，用元素分析和1H NMR等对其结构进行了表征，测定了配合物B的晶体结构。

The crystal consists of two similar but independent molecules in the asymmetric unit and the Ce ion coordinated toward ten donor atoms, six of which belong to the nitrogen atoms of two tridentate ligands and four oxygen atoms from two bidentate picrates.

晶体中一个不对称单元内有两个结晶学上独立的分子，这两个分子的构型基本相同，中心Ce3＋均与两个三齿配位的配体及两个双齿配位的苦味酸根配位，配位数为10。

Two novel tridentate polypyridyl mixed-ligand cobalt [Co (H2Bzimpy)(superscript 3+)] and ruthenium complexes were synthesized and characterized via elemental analysis and (superscript 1)H NMR. The crystal structure of complex B was determined. The interactions between the complexes and calf thymus DNA were investigated with absorption and fluorescence spectroscopys. Photoactivated cleavage of pBR322DNA by the synthesized complexes were studied.

合成了两种新型三齿多吡啶钴[Co(H2Bzimpy)](上标 3+)和钌混配配合物，用元素分析和1HNMR等对其结构进行了表征，测定了配合物B的晶体结构用电子吸收光谱和荧光光谱等方法研究了配合物与小牛胸腺DNA的相互作用以及配合物对pBR322DNA的断裂作用。

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。

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。