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Room-Temperature Steady-State Entanglement in a Four-Mode Optomechanical System

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Communications in Theoretical Physics 2016年第5期65卷 596-600页

作者：王涛张锐苏雪梅 college of Physics Jilin University college of Physics Tonghua Normal University

Stationary entanglement in a four-mode optomechanical system,especially under room-temperature,is *** this scheme,when the coupling strengths between the two target modes and the mechanical resonator are equal,the results cannot be explained by the Bogoliubov-mode-based *** is related to the idea of quantummechanics-free subspace,which plays an important role when the thermal noise of the mechanical modes is *** prominent steady-state entanglement can be available under room-temperature.

关键词： four-mode optomechanics steady-state entanglement quantum-mechanics-free subspace

Hydrothermal Synthesis, Crystal Structure and Photoluminescent Property of a Novel Complex [Zn(OHCT)(1,2-BDC)]_n

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Chinese Journal of Structural Chemistry 2011年第9期30卷 1233-1238页

作者：李传碧杨宇张首才闫丽李晶孙丽娟李文成王家军 Chemistry college of jilin normal university Key Laboratory of Preparation and Applications of Environmental Friendly Materials (MOE) Jilin Normal University

A novel ligand 11-oxa-4,5,9,10,12,13-hexaaza-cyclopenta [b] triphenylene （OHCT） and its coordination polymer [Zn（OHCT）（1,2-BDC）]n 1 （1,2-BDC = 1,2-benzenedicarboxylate） were synthesized and characterized. Crystallographic data for OHCT： C14H6N6O5, Mr = 274.25, monoclinic, space group P21/c, a = 10.755（3）, b = 11.710（4）, c = 9.516（3） , β = 108.457（4）o, V = 1136.9（6） 3, Dc = 1.602 g/cm3, μ（MoKα） = 0.111 mm-1, F（000） = 560, Z = 4, the final R = 0.1534 and wR = 0.39709. Crystallographic data for 1： C22H10ZnN6O5, Mr = 503.73, triclinic, space group P , a = 6.1411（5）, b = 10.9111（9）, c = 14.1925（1） , α = 89.1830（1）, β = 79.3030（1）, γ = 84.6350（1）o, V = 930.36（1） 3, Dc = 1.798 g/cm3, μ（MoKα） = 1.376 mm-1, F（000） = 508, Z = 2, the final R = 0.0323 and wR = 0.0789. 1 has been obtained by using hydrothermal synthesis and characterized by elemental analysis, IR spectrum, thermal analysis, fluorescence spectrum and single-crystal X-ray diffraction. In complex 1, the zinc atom is five-coordinated with three carboxylate oxygen atoms from three different 1,2-BDC ligands and two nitrogen atoms from one OHCT ligand, showing a distorted trigonal bipyramidal configuration.

关键词： zinc(Ⅱ) complex crystal structure fluorescence thermal property

Synthesis and Crystal Structure of a New Mixed-ligand Nickel(II) Coordination Polymer: [Ni(L)(cis-1,4-chdc)]n·1.25nH_2O

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Chinese Journal of Structural Chemistry 2012年第12期31卷 1847-1851页

作者：徐占林陈浩冯建博王秀艳 Key Laboratory of Preparation and Applications of Environmental Friendly Materials Jilin Normal University college of Chemistry Jilin Normal University

A new one-dimensional Ni（Ⅱ） coordination polymer [Ni（L）（cis-1,4- chdc）]n·1.25nH2O has been synthesized under hydrothermal conditions by using 1,4-cyclohexanedicarboxylic acid （1,4-H2chdc） and 2-（3-fluorophenyl）- 1H-imidazo [4,5-f] [ 1,10]phenanthroline （L）. Crystallographic data for the compound： triclinic, space group Pi with a = 8.777（2）, b = 10.662（2）, c = 13.799（3） A, a = 89.480（4）, β = 73,933（3）, γ = 81.980（4）°, V = 1228.2（5） A3, Z = 2, C27H22.50FN4NiO5.25, Mr = 568.70, Dc = 1.527 g/cm3, F（000） = 583,μ（MoKα） = 0.846 mm-1, R = 0.0634 and wR = 0.1465. Neighboring Ni（Ⅱ） atoms are linked by the cis-1,4-chdc ligands to generate a one-dimensional chain structure. The π-π interactions between the L ligands of neighboring chains led to the formation of a two-dimensional supramolecular layer. The elemental analysis, IR spectrum and TG of the compound have been studied.

关键词： coordination polymer crystal structure 1,4-cyclohexanedicarboxylic acid 2-(3-fluorophenyl)-1H-imidazo[4,5-f]phenanthroline

Reliability Evaluation of Machine Center Components Based on Cascading Failure Analysis

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Chinese Journal of Mechanical Engineering 2017年第4期30卷 933-942页

作者： Ying-Zhi Zhang Jin-Tong Liu Gui-Xiang Shen Zhe Long Shu-Guang Sun college of Mechanical Science and Engineering Jilin University college of Management Science and Engineering Shandong Normal University

In order to rectify the problems that the com- ponent reliability model exhibits deviation, and the evalu- ation result is low due to the overlook of failure propagation in traditional reliability evaluation of machine center components, a new reliability evaluation method based on cascading failure analysis and the failure influ- enced degree assessment is proposed. A direct graph model of cascading failure among components is established according to cascading failure mechanism analysis and graph theory. The failure influenced degrees of the system components are assessed by the adjacency matrix and its transposition, combined with the Pagerank algorithm. Based on the comprehensive failure probability function and total probability formula, the inherent failure proba- bility function is determined to realize the reliability evaluation of the system components. Finally, the method is applied to a machine center, it shows the following： 1） The reliability evaluation values of the proposed method are at least 2.5% higher than those of the traditional method; 2） The difference between the comprehensive and inherent reliability of the system component presents a positive correlation with the failure influenced degree ofthe system component, which provides a theoretical basis for reliability allocation of machine center system.

关键词： s Cascading failure Machine centercomponents Reliability evaluation Pagerank algorithmInfluenced degree

Synthesis, Structure and Characterization of a New Iron Coordination Polymer:[Fe(L)(trans-1,4-chdc)]_n

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Chinese Journal of Structural Chemistry 2012年第11期31卷 1589-1593页

作者：王秀艳张艳娜李丹 Key Laboratory of Preparation and Applications of Environmental Friendly Materials Jilin Normal University college of Chemistry Jilin Normal University

A novel Fe（II） coordination polymer [Fe（L）（trans-1,4-chdc）];~ has been hydrother- mally synthesized by using 1,4-cyclohexanedicarboxylic acid （1,4-H2chdc） and 2-（2-fluoro- phenyl）-lH-imidazo[4,5-f][1,10]phenanthroline （L）. Crystallographic data： monoclinic, space group C2/c with a = 14.571（5）, b = 32.389（6）, c = 10.948（5）A, 18 = 115.186（5）°, V= 4676（3）A3, Z = 8, C27H21FFeN404, Mr = 540.33, De --- 1.535 g/cm3, F（000） = 2224, μ（MoKa） = 0.697 mmI, R = 0.0462 and wR = 0.1110. The two kinds of trans-l,4-chdc ligands link neighboring Fe（II） atoms to yield a two-dimensional layer structure. The π-π interactions between the L ligands of neighboring layers result in a three-dimensional supramolecular architecture. The IR and UV-vis spectra of the compound have been investigated in detail.

关键词： coordination polymer crystal structure 2-(2-fluorophenyl)-lH-imidazo[4,5-f] phenanthroline 1,4-cyclohexanedicarboxylie acid

Synthesis,Crystal Structure and Electrochemical Property of the Ferrocenyl Schiff-base (E)-N’(Ferrocene Ethylidene)Picolino Hydrazide

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Chinese Journal of Structural Chemistry 2011年第3期30卷 308-311页

作者：李传碧孙丽娟张首才张爱萍富超王家军 Chemistry college of jilin normal university Key Laboratory of Preparation and Applications of Environmental Friendly Materials Jilin Normal University

A novel Schiff-base compound based on ferrocene C18H17OFeN3 （1） has been synthesized and characterized by X-ray diffraction. The title compound crystallizes in monoclinic, space group P21/c with a = 19.2343（17）, b = 10.5084（9）, c = 7.9373（7） A, β = 97.7740°, Z = 4, V = 1589.6（2） A^3, Dc = 1.451 g/cm^3, μ（MoKα） = 0.956 mm^-1, F（000） = 720, the final R = 0.0343 and wR = 0.0973 for 2759 observed reflections （I 〉 2σ（I））. Electrochemical measurements exhibit that compound 1 undergoes a reversible one-electron redox process.

关键词： crystal structure electrochemical property Schiff-base acetylferrocene

Hydrothermal Synthesis and Crystal Structure of a Cadmium(Ⅱ) Polymer with a Two-dimensional Network Structure: [Cd(pzdc)(2,2'-bipy)]_n·nH_2O

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Chinese Journal of Structural Chemistry 2009年第1期28卷 29-32页

作者：李秀梅牛艳玲刘博王庆伟周实潘北诚 Department of Chemistry Tonghua Teachers College Department of Chemistry Jilin Normal University Department of Physics Jilin Normal University

A metal-organic coordination compound formulated as [Cd（pzdc）（2,2＇-bipy）]n·nH2O 1 （Hzpzdc = pyrazine-2,3-dicarboxylic acid, 2,2＇-bipy = 2,2＇-bipyridine） has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, TG fluorescence spectrum and single-crystal X-ray diffraction. The title compound crystallizes in the monoclinic system, space group P2 1/c with a = 10.8081（13）, b = 14.4328（17）, c = 10.2530（12） A, β = 98.504（2）°, V= 1581.8（3） ]A3, C16H14CdN4O5, Mr= 454.71, Dc = 1.909 g/cm^3, μ（MoKa） = 1.420 mm^-1, F（000） = 904, Z = 4, the final R = 0.0230 and wR = 0.0554 for 2901 observed reflections （I 〉 2σ（I））. It exhibits an interesting two-dimensional network structure and shows yellow photoluminescent property at room temperature.

关键词： coordination polymer hydrothermal synthesis crystal structure luminescence

Synthesis, Structure and Physical Property of a New 3D Lead Coordination Polymer: [Pb_2(L)_2(dea)]_n·nH_2O

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Chinese Journal of Structural Chemistry 2013年第7期32卷 1031-1035页

作者：孔治国孙旭冉郭胜男肖云波庞高健 Key Laboratory of Preparation and Applications of Environmental Friendly Materials Jilin Normal University college of Chemistry Jilin Normal University

A new 3D Pb（II） coordination polymer [Pb2（L）2（dea）]n-nH20 has been hydrothermally prepared by using the long flexible decanedioic acid （H2dea） and the N-donor chelating ligand 2-（1 H- 1,3,7,8-tetraazacyclopenta[1]phenanthren-2-yl）naphthol （HL）. Single-crystal X-ray determi- nation shows that the complex crystallizes in the monoclinic system, space group C2/c with a = 25.453（5）, b = 7.5035（15）, c = 27.340（6） A, β = 114.84（3）, V = 4738.6（16） A3, Z = 8, C28H22NaOaPb, Mr = 685.69, Dc = 1.922 g/cm3, F（000） = 2656,/u（MoKa） = 7.166 mm-1, R = 0.0282 and wR = 0.0687. Two L ligands bridge two Pb（II） atoms to form a dimmer, and the neighboring dimers are further linked by the dea ligands to yield a 3D structure. The IR and TG of the compound have been investigated in detail.

关键词： coordination polymer crystal structure 2-(1H-1,3,7,8-tetraazacyclopentaphenanthren-2-yl)naphthol decanedioic acid

Composition and Spatial Distribution of Soil Mesofauna Along an Elevation Gradient on the North Slope of the Changbai Mountains, China

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Pedosphere 2015年第6期25卷 811-824页

作者： JIANG Yunfeng YIN Xiuqin WANG Fubin college of Geography Sciences Northeast Normal University college of Tourism and Geography Sciences Jilin Normal University jilin Key Laboratory of Animal Resource Conservation and Utilization

The Changbai Mountains, located in northeastern China, show clear vertical zonation of vegetation types. Six different habitats,namely Pinus koraiensis mixed broad-leaved forest, Pinus koraiensis-Picea forest, spruce-fir forest, Betula ermanii forest, alpine meadow and alpine semi-desert, at elevations ranging from 780 to 2 480 m, covering almost all ecosystems on the north slope of the Changbai Mountains, were investigated to determine: i) whether or not the community composition of soil mesofauna varied significantly at different elevations; ii) if different soil mesofauna groups would respond differently to elevation and iii) which factors influenced the spatial distribution of soil mesofauna along elevation. Soil mesofauna were collected from each habitat in spring(May),summer(July) and autumn(September) of 2009. The soil mesofauna communities were comprised of at least 44 groups and were dominated by Acari and Collembola, followed by Coleoptera, Diptera larvae and Enchytraeidae. The composition, diversity and abundance of soil mesofauna varied among the six habitats. Meanwhile, significant seasonal variations were observed in the composition,abundance and diversity of the soil mesofauna in each habitat. The taxonomic richness and Shannon index were affected by elevation and soil properties, while the abundance was only significantly affected by soil properties. With regard to taxa, the habitats and seasons had significant effects on almost all the abundances of the major taxonomic groups. The abundance of more taxonomic groups was significantly influenced by the soil properties, while those of Geophilomorpha, Araneae and other taxa were affected by *** is concluded that the composition and spatial distribution of the soil mesofauna varied along the elevation gradient on the north slope of the Changbai Mountains, which might be largely related to the variations of the plant community, soil properties and climate change resulting from the elevation gradi

关键词： abundance community composition diversity environmental factors taxonomic group