查询词典 ions

Based on these techniques, one-dimensional rare earth orthovanadate nanorods doping with Eu~(3+) ions were synthesized by adding 2～5% mol Eu(NO_3)_3 respectively.

在合成一维LaVO_4、CeVO_4和YVO_4纳米棒的最佳工艺参数的基础上，在前驱体中添加2～5％mol的Eu(NO_3)_3水热合成了具有较好一维形貌的掺Eu的LaVO_4、CeVO_4和YVO_4纳米棒。

Combination of wavelet transform with function of data compression and neural network is firstly applied to predict quantitatively the concentration of Pb2+ and other ions in oscillographic chronopotentiometric determination.

首次将具有数据压缩功能的小波变换与神经网络相结合用于Pb2+等金属离子的示波测定。

And 4 h of the HI group were 107±9, 91±10, 76±6, 37±11, respectively, compared to that of the control group of 116±8, showing a tendency of time-dependent decreasing manner (all P 《 0. 05). Conclusion During HI, the dowuregnlation of outward potassium conductance may prevent the emission of interacellularly accumulated K+ ions, thus resulting in osmotically drived water influx into astrocytes via aquaporin-4 and then cell swelling.

在细胞缺氧缺血时，细胞外向性钾通道下调，可能阻止细胞内堆积的钾离子流出细胞外，引起渗透性改变而导致水通过AQP4流入细胞内，从而出现细胞水肿。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

The device shows a monochromaticemission characterized as Tb3 ions 4f electronic transition, and the excited energygenerated on carbazole and oxadiazole was believed as quenched by energy transfer.

器件显示Tb~(3 )离子的特征发射，从能量转移的角度解释了器件单色发光的原因。

Reaction of 9-bromofluorenewith diethyl malonate and sodium carbonate gives diethyl 2-(9-Fluorenyl)malonate.Aminolysis of diethyl 2-(9-Fluorenyl)malonate in ethylenediamine and propylene diamine give〓 and 〓, respectively.〓 and 〓 were synthesized by the reaction of 9-bromofluorene with oxalyl bisethylenediamine. Copper and nickel complexes of 〓 and 〓 were obtained by the reaction of 〓 and 〓 with copper and nickel salt, respectively, in aqueoussolution and extrusion of two hydrogen ions from the amide groups.

使9-溴芴与丙二酸二乙酯在无水碳酸钠存在下反应合成出2-(9-芴基)丙二酸二乙酯。2-(9-芴基)丙二酸二乙酯在乙二胺中胺解得到配体〓，2-(9-芴基)丙二酸二乙酯在1，2-丙二胺中胺解得到配体〓，使9-溴芴与草酰二乙二胺作用得到配体〓和〓与相应的金属盐作用分别得到它们的铜、镍配合物。

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。

"Please accept this talisman as a token of our thanks."

请收下这个护身符以表达我们的感谢。

If I have that magic, I will be more acceptable in the society.

如果我拥有那种魔法，我将更加被这个社会所容纳。