原位水热合成一个发光的烯烃铜(Ⅰ)配合物(英)

The solvothermal reaction of 1-(Benzyl diallylamine)-2-naphtholallyl ether and CuCI yields a unexpected copper(Ⅰ)-olefin complex, Cu6Cl6 (diallylamine) 1, which bears twelve-membered ring oligomeric structure and displays red fluorescent emission in the solid state at room temperature. CCDC: 272088.     

一种新颖有机/无机杂化配位聚合物[(C7H18N)(Ag2I3)]n的合成、结构及量子化学计算(英)

A one dimensional coordination polymer, [(C₇H₁₈N)(Ag₂I₃)]_n((C₇H₁₈N)⁺=Methyltriethylammonium) has been successfully synthesized and characterized by X-ray single-crystal diffraction method. Structure analysis shows that the compound consists of organic cations(Methyltriethylammonium) and inorganic anion chains (Ag₂I₃)_n^-. The inorganic moiety consists of AgI₄ tetrahedron, which shares the same edges with adjacent AgI₄ tetrahedrons to form one-dimensional infinite double chains along a-axis. There exists weak interaction among Ag…Ag atoms in the crystal. Anion chains are surrounded by Methyltriethylammonium cations. Anion chains and cations are in combination with each other by static attracting forces in the crystal to form so-called organic-inorganic hybrid structure. According to the crystal structure data, quantum chemistry calculation with DFT on B3LYP level was used to reveal the electronic structure of title compound. CCDC: 254288.     

DBBD及其Cu(Ⅰ)配位聚合物[CuI(DBBD)2]n的合成

In this article we report the synthesis of (R,S)-4,4'-biquinoline-6,6'-dimethyl-3,3'-dicarboxylate (DBBD)(1) and the formation of copper(Ⅰ) coordination polymer [CuI(DBBD)2]n (2) by inducing a bidentate organic ligand (DBBD). The crystal 1 belongs to monoclinic system with space group P21, and a=0.881 30(19) nm, b=1.9660(6)system with space group Fmm2, and a=2.04441 (17) nm, b=1.543 06 (13) nm, c=1.65245 (13) nm, V=5.2129(7)     

Structure and Luminescence Property of a Linear Tetranuclear Gold(Ⅰ)-thiolate Complex through Au-Au Interaction

The synthesis,structure and luminescent property of a tetranuclear gold(Ⅰ)complex with doubly bridging diethyldithiocarbamate(Et2dtc)and 1,1-bis(diphenylphosphino)ethene((Ph2P)2C=CH2)are described.The complex crystallizes in monoclinic space group C2/c with a=26.785(7),b=25.654(6),c=12.277(3)A,β=106.879(5)°,V=8073(4)A~3,Z=8,C31H32Au2F6NO3P2S2Sb,Mr=1222.32,Dc=2.011 g/cm~3,F(000)=4592,Rint=0.0529,T=293(2)K,μ=8.157 mm~(-1),the final R=0.0464 and wR=0.1444 for 5804 observed reflections with I2σ(Ⅰ).The intramolecular and intermolecular Au¨Au distances are 2.8670(9)and 3.2367(9)A,respectively.Weak emission appears at 517 nm at room temperature in the solid state.     

我国花样游泳运动员身体条件优劣的鉴别──数量化方法(Ⅰ)的应用

本研究采用数量化方法（Ⅰ）来确定花样游泳运动员身体条件优劣的鉴别标准使这项鉴别工作客观化、计量化。研究结果给出的“我国花样游泳运动员身体条件优劣鉴别表”形式简单明了,便于在实际工作中使用     

四硫富瓦烯衍生物的银(Ⅰ)配位聚合物的合成与表征

在室温下,以丙酮为溶剂,三氟甲基磺酸银与4,5-二甲硫基-1,3-二硫代环戊烯-2-硫酮(C5H6S5)反应得到一个二维配位聚合物[Ag(C5H6S5)].CF3SO3.(CH3)2CO(1).单晶采用惰性溶剂扩散法培养.X-ray单晶衍射分析表明,1属于正交晶系,P212121空间群,晶胞参数:a=0.825 7(5)nm,b=0.972 1(6)nm,c=2.143(1)nm,V=1.720(1)nm3.在1中一个银离子与不同配体的三个硫原子配位,同时一个配体的两个硫原子参与和银离子配位,形成二维阶梯结构,在二维聚合物分子内存在较强的S…S相互作用,聚合物室温电导率为3.95×10-7S.cm-1,属于半导体.经过碘掺杂后化合物的电导率达到6.80×10-7S.cm-1.     

叶绿体延迟荧光中730nm成分产生机理的光谱学研究

叶绿体685 nm延迟荧光成分被认为源于PSⅡ作用中心的电荷复合。利用多种光谱学测量手段研究了叶绿体延迟荧光光谱中730 nm峰的产生机制。不同浓度下叶绿体延迟荧光光谱实验结果表明：初始随浓度的增加,延迟荧光光谱中685和730 nm成分强度均增强;当浓度增加到7.8 μg·mL-1时,685 nm成分强度达最大,730 nm成分强度继续上升;当浓度增加到31.2 μg·mL-1时,延迟荧光光谱中730 nm成分强度达最大,而685 nm成分已明显下降。吸收光谱实验结果表明：A₆₈₅/A₇₃₀在叶绿体浓度增加的过程中几乎不变。叶绿体730 nm荧光成分的激发光谱实验结果表明：685 nm光对730 nm荧光有较高的激发效率。上述实验结果表明叶绿体延迟荧光光谱中730 nm峰是由PSⅡ所发685 nm成分激发PSⅠ所产生的荧光。同一浓度下叶绿体延迟荧光光谱波形随延迟时间(1～9 s)的不变性进一步证明了这一结论。     

锦屏一级水电站地下厂区破坏成因分析

锦屏一级水电站地下厂区位于雅砻江右岸一套大理岩地层中,埋深350m,地下厂区洞室在开挖过程中,围岩出现各种变形破坏现象。通过分析破坏现象,总结了破坏现象的规律性：主厂房及主变室破坏现象主要集中在下游边墙顶拱,破坏方式以岩体开裂为主; 母线洞及压力管道下平段破坏现象主要集中在顶拱外侧,破坏方式以弯折破坏为主。最后利用数值模拟结果解释了径向应力大于岩体强度是引起锚索超限的原因。