二金属的

The deposition thickness of allylamine was increased with the treating time. The surface textures were changed following different procedures except allylamine groups and it means that the 30 min deposition thickness of allylamine is too thin to change the surface contours.

SEM-EDS的结果显示在未经任何处理及经氩气电浆清洁后的钛金属表面，侦测到主要为钛元素，丙烯胺电浆处理后，即可测到氮元素；戊二醛作用后表面有氧元素的出现；白蛋白处理后即可测得碳及氧元素。

Therefore, this dissertation contains such two parts:First, we fabricated two-dimensional staggered silver nanoplates byreplacing the inert substrate with a chemically active aluminium foil in anormal silver mirror reaction.

因此，本论文包括了这样两个部分：首先，我们通过在普通的银镜反应中引入一种活泼金属铝作为基板，得到了二维交错排列的银的片状纳米结构并对其进行了相关表征。

In this thesis, we synthesize eight new compounds 5, 11, 12, 16, 5-Zn, 11-Zn, 12-Zn, 16-Zn, which can be absorbed on the surface of nanometer size semiconductors (TiO_2) with four ester groups on the bipyridyl ligands.

本文合成了八个新化合物5，11，12和16以及它们的金属锌的络合物5-Zn，11-Zn，12-Zn和16-Zn。这些化合物可以通过联吡啶配体的酯基吸附在纳米二氧化钛表面。

Flowable polysilane polymers have been synthesized by sodium coupling of diorgano-dichlorosilanes with diphenylmethylchlorosilane in toluene.

采用具有不同有机取代基的二氯硅烷与甲基二苯基氯硅烷为原料，在甲苯中以金属钠共缩合的方法，合成了可流动的聚硅烷。

Among them,the chemosensory properties of two molecular tweezers derived from diethoxycarbonyl glycoluril for metal ions were studied by fluorescent spectroscope.It was found that they both exhibited selective recognition towards Fe~(3+)among 13 metal ions investigated in DMF/CH_3OH(50:1, v/v)with fluorescence quenching,and formed 1:1 stoichiometry complex with Fe~(3+).

通过荧光光谱滴定考察了其中两个二乙基酯基甘脲分子钳异构体对13种不同金属离子的识别作用，研究表明在DMF/MeOH(50：1 v/v)中，它们能够很好地选择性地识别Fe~(3+)离子，与Fe~(3+)离子形成1：1的复合物并且呈现荧光淬灭效应，可作为Fe~(3+)的荧光化学传感器。

In this paper several methods including acylamide dehydration, metal cyanide replacement, etherification and isoxazole method for synthesis of 3,3-diethoxyethylcyanide were reviewed.

综述了3，3-二乙氧基丙腈的合成方法，包括酰胺脱水、金属氰化物取代、醚化和异恶唑法，用于工业化生产较为满意的合成路线是以1，1，3，3-四乙氧基丙烷为原料的异恶唑法。

Pure inorganic ladderlike polyhydrosilsequioxane was prepared by the way of subsection hydrolysis.

第二部分超常价态过渡金属Ni引发接枝聚合的研究本论文第四章主要研究了利用二过碘酸合镍Ni为引发剂于碱性条件下在纤维素上接枝丙烯酸甲酯，接枝以后的共聚物显示了很好的热稳定性和抗潮性。

Promoted by metal dysprosium, aldehydes and ketones could react smoothly with propargyl bromide to afford the corresponding homopropargylic alcohol s in good to excellent yields, and no allenic alcohols were found.

在金属镝的促进下，醛、酮可与炔丙基溴反应，高选择性高产率地得到相应的高炔丙醇，没有发现连二烯醇的存在。

In contrast to ordinary liquid and amorphous alloys, the number of 1551 bonds related to the icosahedral structure becomes very smaller with the decrease of temperature,but the numbers of 1311,1301,1201 bonds related to the rhombohedral structure are increased remarkably.

结果表明，与通常液态及非晶态金属相反，随着温度降低，与二十面体相关的1551键型数越来越少，而与菱面体相关的1311，1301和1201键型数目显著增加，最后形成以菱面体结构单元为主的非晶态结构。

The geometric and electronic structures of the unreduced and reduced Pt-doped ceria with different doping concentration are systematically studied using the first principles method based on the density functional theory with the inclusion of on-site Coulomb interaction.

本文用基于密度泛函理论的第一性原理方法，并考虑了Ce4f电子的在位库仑作用（on-site Coulomb interaction），计算并分析了不同浓度金属Pt掺杂对二氧化铈原子结构、电子结构和化学特性的影响。

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。