Fabrication of hexaphenylsilole nanowires and their morphology-tunable photoluminescence.

Immersion of nanoporous alumina membranes into saturated solutions of hexaphenylsilole with subsequent solvent evaporation affords aligned organic nanowires. The luminescent properties of the hexaphenylsilole nanowires can be manipulated by varying their morphologies, which were controlled by changing the channel sizes of the alumina templates.     

微量元素镍概论

阐述了镍的基本概况,包括镍的发现史、来源及性质,镍对人体健康的影响,科学补镍和防止镍中毒的方法。     

Controlled growth of large-area, uniform, vertically aligned arrays of alpha-Fe2O3 nanobelts and nanowires

Vertically aligned iron oxide nanobelt and nanowire arrays have been synthesized on a large-area surface by direct thermal oxidation of iron substrates under the flow of O(2). The effects of reactive gas pressure, composition, and temperature have been systematically studied. It was found that nanobelts (width, tens of nanometers; thickness, a few nanometers) are produced in the low-temperature region (approximately 700 degrees C) whereas cylindrical nanowires tens of nanometers thick are formed at relatively higher temperatures (approximately 800 degrees C). Both nanobelts and nanowires are mostly bicrystallites with a length of tens of micrometers which grow uniquely along the [110] direction. The growth habits of the nanobelts and nanowires in the two temperature regions indicate the role of growth rate anisotropy and surface energy in dictating the ultimate nanomorphologies.     

Chiral Cu(II) complex catalyzed enantioselective addition of phenylacetylene to N-aryl arylimines

Chiral tridentate N-tosylated aminoimine ligands were used in the Cu(II)-catalyzed enantioselective addition of phenylacetylene to N-aryl arylimines, affording products up to 92% ee.     

铒离子及其阳离子卟啉配合物对金黄色葡萄球菌生长的抑制和刺激作用

用微量热法研究了Er³⁺、TMP{TMP=5，10，15，20-四(4-甲氧基苯基)卟啉}及其阳离子铒卟啉配合物[Er(TMP)(H₂O)₃]Cl对金黄色葡萄球菌生长作用的生物热动力学特征，求算了在Er³⁺、TMP和[Er(TMP)(H₂O)₃]Cl作用下，金黄色葡萄球菌生长的热动力学参数。实验结果表明：TMP对金黄色葡萄球菌生长的作用表现为单向的抑制作用，而Er³⁺和[Er(TMP)(H₂O)₃]Cl对金黄色葡萄球菌的生长有双向调节作用。在低浓度下，Er³⁺对金黄色葡萄球菌生长的刺激作用强于[Er(TMP)(H₂O)₃]Cl；在较高浓度下，[Er(TMP)(H₂O)₃]Cl对金黄色葡萄球菌生长的抑制作用显著强于Er³⁺。对金黄色葡萄球菌的抗菌活性为：[Er(TMP)(H₂O)₃]Cl>>TMP>Er³⁺。对相互作用机理做了初步探讨。     

Synthesis and Characterization of Novel Orange-emitting Iridium（Ⅲ） Complexes with Diphenylquinoline Ligands Containing Fluorinated Substituent

Three new cyclometalated iridium（m） complexes based on ligands of diphenylquinoline with fluorinated subsfituents were prepared, and characterized by elemental analysis （EA）, ^1H NMR, and mass spectroscopy （MS）. The photophysical and electrophosphorescent properties of the complexes were briefly discussed.     

Fe-Ni-B-O纳米合金的合成及其催化制氢性能的研究

Preparation and catalytic performance of Fe-Ni-B-O nano-alloy having crystal-palpus structure has been studied. Black powder was synthesized by reducing mixture solution of Fe²⁺, Ni²⁺ with KBH₄ as reducing agent and polyethylene glycol as dispersant. Fe-Ni-B-O nano-alloy of crystal-palpus structure was obtained after hydrogen reduction of black powder. TEM shows that crystal-palpus length is 200～400 nm, diameter is 2～4 nm. The analytic results indicate that the total content of Fe and Ni is 86.6%, B is 5.08%. The alloy exhibits excellent catalytic performance. Hydrogen generation rate can approach 100% especially when pH is 8.     

几种常见水果的微量元素分析

运用原子吸收分光光度法测定了几种常见水果中部分微量元素含量。其中榴莲的Mg、Zn、Cu、K含量位于四种水果之首。美国提子中Ca含量最高，芒果中Fe含量最高。以上差别具有统计学意义。六种元素的回收率为90％-106．5％。连续6次测定样品，变异系数(CV)为0．96％。     

Research on Crystal Structure of the Complex of 10－Hydroxy－10－（3－indolyl）－9－phenanthrenone with Tetrahydrofuran

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Facile cyclic ammonium salt with the smallest size for high performance electric double layer capacitors

A novel cyclic ammonium salt, N,N-dimethylpyrrolidinium tetrafluoroborate (P₁₁-BF₄), was successfully synthesized for the first time. The smallest cyclic structure of P₁₁-BF₄ induced high solubility and conductivity in PC, which can easier enter the micropores of activated carbon and occupy more surface area during charge/discharge process.