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The results of UV-Vis and FT-IR suggested that europium and gadolinium ions be bonded to amide group of PNVA polymer.

测定并研究了配合物的红外光谱、紫外光谱和荧光光谱。

The complexes were characterized with variable temperature magnetic susceptibility (4-300 K). The exchange integral J =-4.39 cm-1 for [CuCo(NO2-Phen)2] and -3.59cm-1 for [CuCo(NO2-Phen)2]. A weak antiferromagnetic superexchange interaction operates between the metal ions.

测定了配合物(4-300K)的变温磁化率，并用最小二乘法和自旋Hamiltonian算符，H=2JS1.S2-DSzl导出的磁方程拟合，求得交换参数为J=-4.39和-3.59cm^-^1，表明两个Cu-Co双核配合物中有弱的反铁磁性超交换相互作用。

Zeolite positive ions have three properties: exchangeability; absorbability, molecular sieve. Due to these properties, zeolite is widely used in practice.

沸石的阳离子交换性、吸附性、分子筛这三种特性构成了沸石应用领域广泛的物性基础。

The energy of excitation is distributed in all the ions and transformed into vibrational energy in the various bounds.

激发能分布在全部离子上，并转变成各个键的振动能。

Electronic excited state is one of the common forms in which atoms, molecules and ions exist in the nature.

电子激发态是原子、分子和离子存在的重要形态。

On the insertion of Li with low current density, the crystal structure is keeping original spinel; while with higher current desity or by thermal activation, owing to violent movement of Li~+ ions, part of crystal structure transforms into rock type similar to face—centered cubic structure of ferrous oxide.

结果表明，以较小电流密度嵌锂时，晶体结构保持原来的尖晶石型；当以较大电流密度嵌锂或热激活时，由于Li~+的运动加剧，部分晶体结构转变为类似于氧化亚铁的面心立方结构。

Long befor e children are able t o speak or understand a language,they communicate through facia l express ions and by making noises.

儿童在能说或能听懂语言之前，很久就会通过面部表情和靠发出噪声来与人交

This special ordered nanoporous structure creates the fast electrochemical accessibility of the electrolyte and OH- ions not only to the surface of the electrode materials but also to the bulk of the CoOH2 phase,which is very helpful for making full use of the electroactive sites to take place the faradic reaction,providing an important morphological foundation for a high specific capacitance.

这种独特的有序纳米孔结构不仅提供了电解液和OH-离子快速进出电极表面的通道，而且可以使活性离子扩散到CoOH2的本体相，充分利用电极材料的电活性位发生氧化还原反应，为该材料高比电容的实现提供了重要的形貌基础。

The antiferromag-netic interaction between the Fe and Mn ions will be dominated if the amount of Feis increased.

继续加大替代量后(x＝0.10)，Fe离子和Mn离子之间的反铁磁交换耦合就显得更为突出一些。

ConclusionA highiron animal model can be established by intraperitoneal injection of iron dextran. The changes of various parameters result in damage to the organs, it is possible that the ferri ions were released through metabolism of iron dextran and freeion mediates lipid peroxidation to cause the damage.

给小鼠腹腔注射右旋糖酐铁，可以成功建立高铁动物模型，其各项指标有明显变化并对各脏器造成损害，其机制可能与右旋糖酐铁在体内代谢释放出铁离子，游离的铁离子介导脂质过氧化而造成的损害等有关。

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。