central ion

The heteropoly compounds of HnXW12O40 、 Na3AsW12O40 、 HnY Mo12O40 、 HnMW12O40 are prepared, and their Ultraviolet spectra are measured. The relation between Ultraviolet spectra and the nature of central ion is also studied.

制备了杂多化合物HnXW12O40、Na3AsW12O40、HnYMo12O40、HnMW12O40，并测试了它们的紫外光谱，研究了紫外光谱与中心离子性质的关系。

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It is shown that the direct electron transfer of the enzyme HRP on the solid electrodes can be carried out and the electrode reaction is the oxidation-state transformation of the central metal ion in prosthetic group heme rather than the reduction of disulfide group in HRP molecule.

指出HRP可在固体电极上进行直接电子传递，该电极反应不是酶中二硫键的还原，而是血红素辅基中心金属离子的氧化态转变。

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The number of ligands attached to the central ion is called the coordination number.

同中心离子连接的配位体,数目称为配位数.

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Metal-Organic coordination polymer is formed by self-assembly through coordination bond between bidentate or multbentate organic ligand and central metal ion.

金属有机配位聚合物是通过含给电子基团的双齿或多齿有机配体（）一种或几种中心金属离子（）过配位键自组装而形成的。

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The influence of ion charge on the Helmholtz energy of fluid mixtures was taken into account by considering the interactions between the charge of ions located in the first coordination shell and the dipole or induced dipole of the central solute molecule.

为计入离子电荷对流体混合物Helmholtz自由能的影响，作者考虑了位于中性分子的第一配位圈中离子的电荷与此分子的诱导偶极和偶极的相互作用。

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The presence of hydrate water and free-water modifies the ligand field of central ion Cr(ⅲ), so that the absorption bands of iridescent chromium films are influenced.

结晶水和游离水的存在修改了中心离子Cr（Ⅲ）的配位体场，使得彩虹色铬膜层的吸收谱带受到影响。

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The formation of polyhalides depends on the combination of a central halide ion with a halogen.

多卤化物的形成取决于中心卤化物离子与卤素的结合.

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the oxidation state of the central ion in this compound is+3.

这个化合物中中心离子的氧化态是+3。

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Objective To observe the therapy effect of central serous chorioretinopathy ( CSC ) by argon ion laser.

目的　观察氩离子激光治疗中心性浆液性脉络膜 视网膜 病变的疗效.

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