二金属的

The morphology and microstructure characteristics of the apertured silver doped TiO2 microtubes were characterized by means of the X-ray powder diffraction, thermal analysis, transmission electron microscopy, scanning electron microscopy, X-ray photoelectron spectroscopy and N2 absorption.

氮吸附的结果显示该样品具有很高的比表面积，银的修饰没有显著影响二氧化钛微管的孔结构； XRD的表征结果显示，银修饰的二氧化钛多孔微管具有良好的锐钛矿晶型； XPS的分析结果表明银以游离的金属态存在； TEM的观测结果显示，银团簇沉积于二氧化钛纳米晶粒的表面。

The beginning of Part Two is spent settling down after the activity of Part One and builds slowly with layers of soft, breathy melody, deep metallic strikes, swirling chimes, buzzes, and finally -- an ever evolving struck metal tone pattern.

这开始的部份二是花费固定向下之后这动作的部份一和构造缓慢和层次的柔软，带呼吸声悦耳的音乐，深的金属罢工，涡流谐音，嗡嗡声，和最后--曾经进化击打金属音调模式。

Intercalation of metal complexes into the interlamellar space of clay is an excellent method for homogeneous catalyst heterogenization .

粘土的可膨胀的二维空间有助于将催化活性的金属络合物用阳离子交换法和配位体交换法插入到粘土层间，因而易于制得粘土层间金属络合物催化剂，这是匀相催化剂多相化的一种好方法。

The present invention provides a multinuclear half metallocene compound in which two or more of transition metals of groups 3 to 10 on periodic table are connected through bridge ligand simultaneously containing Pi-ligand cycloalkandienyl group and Alpha-ligand functional group and its preparation, and a process for preparing styrene polymer using the compound as a catalyst.

本发明提供了一种其中的两个或更多元素周期表第3-10族过渡金属通过同时包含π-配体环烷基二烯基团和α-配体功能基团的桥配体连接的多核半金属茂络合化合物及其制备方法，及使用本化合物为催化剂的苯乙烯聚合体的制备工艺。

Electron-transporting oxadiazole monomer 2-phenyl-5-p-(N-acrylateamino-phenyl-1,3,4-oxadiazole was designed, synthesized and copolymerized with NVK, MMA and Tb2 to give a Tb-complex containg copolymer PKMOTb with dual transporting moieties.

设计并合成了一种具有电子传输性能的噁二唑类单体2-苯基-5--1，3，4-噁二唑，并将此单体和NVK、MMA、Tb_2共聚，合成了同时带有双传输基团和稀土金属配合物单元的新型四元共聚物PKMOTb。

Topics include: properties, preparation, and processing of compound semiconductors; theory and practice of heterojunctions, quantum structures, and pseudomorphic strained layers; metal-semiconductor field effect transistors; heterojunction field effect transistors and bipolar transistors; photodiodes, vertical-and in-plane-cavity laser diodes, and other optoelectronic devices.

主要内容包括：化合物半导体的特性、制备与制程；异质接面、量子结构和假晶应变层的理论与实际应用；金属半导体接面场效电晶体；异质接面场效电晶体以及异质接面双极电晶体；检光二极体、垂直和平面共振腔镭射二极体、以及其他光电元件。

Topics include: properties, preparation, and processing of compound semiconductors; theory and practice of heterojunctions, quantum structures, and pseudomorphic strained layers; metal-semiconductor field effect transistors; heterojunction field effect transistors and bipolar transistors; photodiodes, vertical-and in-plane-cavity laser diodes, and other optoelectronic devices.

主要内容包括：化合物半导体的特性、制备与制程；异质接面、量子结构和假晶应变层的理论与实际应用；金属半导体接面场效电晶体；异质接面场效电晶体以及异质接面双极电晶体；检光二极体、垂直和平面共振腔雷射二极体、以及其他光电元件。

Researching the solvency of diantipyrinylmethane, the author adopted to solubilize diantipyrinylmethane in the medium of hydrochloric acido 5 Researching the interference of several common foreign ions, through enrichment and seperation, then determining its recoveries.

4研究了二安替比林甲烷的溶解情况，确立了在盐酸体系中溶解二安替比林甲烷。 5试验了几种常见金属离子的干扰情况，并通过富集分离，测定了其回收率。

By developing the electrochemical method in this thesis to control surface structure and growth of metal nanocatalysts, we have prepared successfully not only platinum and palladium tetrahexahedral nanocatalysts, but also other nanocrystals of various shape enclosed by different high-index facets.

本文发展的金属纳米催化剂表面结构控制和生长的电化学方法，不仅制备出二十四面体Pt、Pd纳米催化剂，而且也用于成功制备其它高指数晶面围成的不同形状的金属纳米晶体。

In the second chapter, twelve compounds constructed by arenedisulfonates and metal ions such as alkali, alkaline earth and transition metal ions have been synthesized and structurally characterized.

第二章描述了在水溶液条件下芳烃二磺酸根离子与碱金属离子、碱土金属离子和过渡金属离子形成的十二个化合物的结构。

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。