离子结构

X-ray diffraction Rietveld refinement results indicate that La2Ni1- y Co y O4+δ compositions have an orthorhombic structure with Fmmm space group. The substitution of partial La3+ with Co at the B-site caused an increase in the length of Ni/Co—O1 bond in the ab plane and La/Sr—O2 bond along c axis.

研究结果表明， La2Ni1- y Co y O4+δ具有正交结构， Co离子取代增加了钙钛矿层中 ab 平面上Ni/Co—O键的键长、岩盐层中沿 c 轴方向上La—O键的键长和非化学计量氧含量，并有利于改善材料的烧结性能。

As a special micro-power source, thermoelectric micro-generator is of interest for its applications in Micro-Electro-Mechanical Systems. Electrochemical deposition method took the advantage at the fabrication of thermoelectric material in micrometer scale. In this paper, the detailed reduction processes of Bi~(3+) and HTeO~(2+) were studied for the first time. And thermoelectric nanowires were also prepared by electrochemical deposition. On the basic study of thermoelectric material, detailed exploration was made to the design and fabrication process of thermoelectric micro-generator.

作为一种特殊的微动力能源，微型温差发电器在微机电系统中的应用前景引起了人们极大的兴趣，电化学沉积方法在制备微米级尺寸的温差电材料方面具有显著的优势，本文对Bi~(3+)和HTeO~(2+)离子的电化学还原过程展开了详细的研究，并尝试了利用电化学沉积方法制备Bi_2Te_3纳米线材料，在温差电材料研究的基础上，对微型温差发电器的结构设计和制造过程进行了详细的探讨。

Electron paramagnetic resonance spectrum is an effective tool to investigate the optical and magnetic properties of crystals and complexes doped with transition-metal and rare-earth ions.

电子顺磁共振谱是研究掺过渡和稀土金属离子晶体及络合物的微观结构、光学和磁学性质等的有力工具。

The applications of SECM in interfacial electrochemistry were discussed in detail, especially. These applications include:(1) SECM were used to provide a means of characterising thin films, modified electrodes and conductive polymers in terms of structure and mechanism.(2) The catalytic activity of immobilised redox enzymes were studied by SECM.(3) Employed SECM to study of ions transfer, electron transfer and neutral molecules transfer at the interface.

主要包括：(1)研究化学修饰电极界面或导电聚合物薄膜界面，获得界面的结构和多相反应的机理等相关信息；(2)研究固定化酶，获得酶活性等信息；(3)研究界面上的电子转移和离子转移以及中性分子的转移；(4)采用纳米级的探头，研究单分子的电化学反应；(5)结合其它相关电化学技术，实现对单细胞活性的检测。

More recent research work has revealed a number of fascinatingphenomena such as charge-ordering of the 〓 and 〓 ionsobserved in real lattice space, phase segregation occurred in thecritical regimes of structural and magnetic transitions.

并且在近几年里，在这类材料中相继发现了许多新现象，例如：低温下〓和〓离子在晶格空间上的有序排列、在结构和磁相变过程中存在的相分离现象，等等。

The electronic structure and electronic spectra of [Mo2Sn]2-(n = 6-9) with Mo-Mo single bond are studied by SCF-CI.

使用SCF-CI方法研究了含有Mo-Mo单键的原子簇离子体系[Mo~2Sn](n=6~9)的电子结构及电子光谱。

The tourmaline of the nontoxic anti-fouling dope automatically develops an electric field on the surface of the dope in the seawater to enable the seawater to electrolyse to produce hypochlorite ions, which can prevent halobios to adhere or grow on the boat and the structure.

防污涂料无毒，在海水中电气石自发在涂层表面形成电场，使海水电解产生次氯酸离子，可阻止海洋生物在船体和结构物上附着生长。

The mathematical model of plasma arc jet velocity at the exit of orifice logically combines the structural sizes of orifice with the plasma gas flow rate, the temperature of plasma arc at the exit of orifice, intensity of ionization and the force of arc pinch effect, by which the velocity of plasma arc jet can be estimated.

当喷嘴结构参数，离子气流量一定时，等离子弧在喷嘴出口处的温度和电离度的增加能使射流的喷嘴出口速度显著增加，而电磁压缩力使射流的喷嘴出口速度增加得较少。

To answer these questions,one must understandthe local structures of RE ions in biological macromolecules.

要回答这些问题，就必须了解稀土离子在生物大分子中的局部结构。

Firstly, moleclar dynamics calculations were performed on HPPK, which were in vacuo, water, and water adding the counter ions respectively.

首先探讨了HPPK在溶液、加入行衡离子的水溶液环境下的动力学行为，并加入在真空环境下的计算进行对比，结果发现无论从rmsd、回旋半径、二级结构的轨

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。