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Finally, the cytotoxic and antibacterial activities of the oxamido-bridged binuclear complexes were studied in vitro.. This dissertation consists of three sections as follows:1. The crystal structure of a oxamide dinitrate,(1) [H_4dmaeoxd](NO_3)_2 H_2dmaeoxd = N,N\'-bis[2-ethyloxamide, has been obtained. The diversity of complexes with different structures is carried out by successful synthetic strategy of controlling species of metal ions, counter anions, pH values and solvents in the course of synthesis. Four dinuclear complexes bridged by trans-dmaeoxd2-: [Cu_2_2](ClO_4)_2 (2), [Cu_2_2](ClO_4)_2 (3),、[Cu_2(Me_2phen)_2](ClO_4)_2 (4), [Cu_2_2(H_2O)_2] (5); Four dinuclear complexes bridged by cis-dmaeoxd2-: [NiNi_2](ClO_4)_2 (6), [CuNi_2](ClO_4)_2·2CH_3OH (7), [CuZn_2]-(ClO_4)_2·2H_2O (8), [Cu(H_2O)Ni_2](ClO_4)_2.0.5CH_3OH (9); three 1-D polynuclear complexes: [Cu_2]_n·nH_2O (10), [Cu_2(H_2O)_2-]_n·4nH_2O (11), [Cu_2(H_2O)]_n(NO_3)_n·2nH_2O (12); one 2-D polynuclear complex,[Cu_6_3(μ_3-OH)_2(H_2O)_2]_n(ClO_4)_(4n).2nH_2O (13); the others: [VO(H_2O)]·2H_2O (14), [Zn_2_4](ClO_4)_2·H_2O (15), [Cu_2]·2DCM (16) have been synthesized and characterized by X-ray single crystal diffraction, elemental analysis, IR spectra.

本论文主要包括以下三部分:一、合成得到了一个草酰胺配体硝酸盐的单晶结构,[H_4dmaeoxd](NO_3)_2 (1);通过调控金属离子的种类、端基配体、抗衡阴离子、溶剂、pH值等条件定向合成了四个反式草酰胺桥联双核铜配合物:[Cu_2_2](ClO_4)_2 (2)、[Cu_2_2](ClO_4)_2 (3)、、[Cu_2(Me_2phen)_2](ClO_4)_2 (4)、[Cu_2_2(H_2O)_2] (5);四个顺式草酰胺桥联同/异双核配合物:[NiNi_2](ClO_4)_2 (6)、[CuNi_2](ClO_4)_2·2CH_3OH (7)、[CuZn_2]-(ClO_4)_2·2H_2O (8)、[Cu(H_2O)Ni_2](ClO_4)_2.0.5CH_3OH (9);三个一维聚合物: [Cu_2]_n·nH_2O (10)、[Cu_2(H_2O)_2-]_n·4nH_2O (11)、[Cu_2(H_2O)]_n(NO_3)_n·2nH_2O (12);一个二维聚合物: [Cu_6_3(μ_3-OH)_2(H_2O)_2]_n(ClO_4)_(4n)。2nH_2O (13);单核钒配合物[VO(H_2O)]·2H_2O (14)、草酸根桥联双核锌配合物[Zn_2_4](ClO_4)_2·H_2O (15)、美洛西康铜配合物[Cu_2]·2DCM (16),利用元素分析、摩尔电导、红外光谱、电子光谱和单晶X-射线衍射对上述所得化合物进行了结构表征,探讨了结构影响因素,并研究了其超分子结构。

At the first part of this work, the basic characteristics and the development of the research on the oxyfluoride glass ceramics was reviewed, and the optical properties of oxyfluoride glass ceramics doped with Ho〓, Er〓, Tm〓 ions, also that of the precursor oxyfluoride glasses was studied.

本工作第一部分对氟氧化物玻璃陶瓷的基本特点、研究概况进行了综述,同时,对Ho〓,Er〓,Tm〓离子掺杂的氟氧化物玻璃陶瓷及其前驱体—氟氧化物玻璃材料的基本光谱性质进行了研究。

The spectrum of phonon energy can be adjusted by varying the content of SiO2 in the oxyfluoride glass and glass ceramics, which affects the upconverted fluorescence emission of doped ions.

研究了基质结构和样品环境温度与电声子相互作用的联系以及声子变化对于荧光辐射产生的影响。发现改变基质材料的SiO2含量能影响蓝色上转换荧光效率。

Because of the high optical functions as fluorides and the ease in fabrications and high chemical stability as oxide glasses, oxyfluoride glass ceramics, as an special kinds of materials different from crystals and glasses, became a promising host materials for rare earth ions.

玻璃陶瓷作为一种不同于玻璃和晶体的特殊形态的上转换材料,由于兼具氟化物材料的好的光学性质和氧化物材料的稳定性及易于制作,可加工成各种形态的优点而可能成为一种有优良的上转换发光材料。

The Er3+up-converted luminescent process in oxyfluoride glass-ceramics is discussed and it is found that the non-quadratic relation between green up-converted luminescent intensity and pump power is caused by the strong cross-relaxation process of rare earth ions.

对稀土离子共掺杂系统,分析了Er3+在铒镱共掺杂的氟氧化物玻璃陶瓷中的上转换发光过程,认为Er3+绿色辐射的上转换发光强度与抽运激光功率的非平方关系是由于Er3+和Yb3+之间的强交叉弛豫过程引起的。

Oxyfluoride materials are composed of fluoride micro-crystal which is inserted into oxide glass host. Rare earth ions were priority deposited into fluoride micro-crystal, with lower phonon energy environment.

氟氧化合物由氟化物微晶镶嵌于氧化物玻璃基质中构成的,掺杂的稀土离子优先沉淀于氟化物微晶中,处于低声子能量的环境。

The oscillator strength and integrated emission section value of 〓H〓→〓I〓(521 nm) for Er〓 ions in visible wavelength is large, it means that Er〓 doped oxyfluoride glass-ceramics may be lase in short wavelength.

Er〓离子可见光波段的几个通道如〓H〓→〓I〓(521nm)有大的振子强度,积分发射截面和较高的荧光分支比,有可能实现短波长的激光输出。

In this paper, transparent Er(superscript 2+) ions doped oxyfluoride glass-ceramics was prepared by high temperature melting and thermal treatment technology. The changes of micro-crystals structure, UV-VIS absorption spectra and NIR emitting spectra occurred with the variety of Er(superscript 3+) concentrations were studied.

采用高温熔融及热处理工艺,制备了透明度良好的Er(上标 3+)离子掺杂的氟氧化物玻璃陶瓷,并研究了不同Er(上标 3+)离子掺杂浓度下,玻璃陶瓷微晶结构、紫外-可见波段吸收光谱、近红外发射光谱的变化。

De script ions like "Palaeolithic Man"."Neolithic Man", etc., neatly sum up whole periods.

例如,&旧石器时代人&、&新石器时代人&等说法就简洁地概括了一个个完整的时代。

As to human scenery, there are many overhanging coffins and in script ions on escarpments in Danxia and Karst landform areas, in addition, there are also many famous mountains of Taoism and grottoes of Buddhism in Danxia landform areas, and many paleoanthropological sites and charming landscapes of national culture in Karst landform areas.

人文景观方面,丹霞地貌区与岩溶地貌区均遗存众多悬棺崖墓和摩岩题刻;此外,前者还以道教名山和佛教石窟众多而见长,后者则在古人类遗址和民族风情方面占据优势。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。