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Search Results: 1 - 10 of 33795 matches for " DENG Gui-Ying "
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Hexakis(1-benzyl-1H-imidazole-κN3)manganese(II) bis(perchlorate)
Gui-Ying Dong,Tong-Fei Liu,Cui-Hong He,Xiao-Chen Deng
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811023531
Abstract: In the title compound, [Mn(C10H10N2)6](ClO4)2, the MnII ion, located on an inversion center, is coordinated by six N atoms from three pairs of symmetry-related 1-benzyl-1H-imidazole ligands in a distorted octahedral geometry. In the crystal, weak intermolecular C—H...O hydrogen bonds link the complex cations and perchlorate anions.
1,4-Bis[(1H-pyrazol-1-yl)methyl]benzene
Gui-Ying Dong,Tong-Fei Liu,Cui-Huan Jiao,Xiao-Chen Deng
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811022537
Abstract: In the title compound, C14H14N4, the center of the phenylene group is a crystallographic center of inversion. The compound is composed of three aromatic rings displaying a Z-like conformation. The dihedral angle between the pyrazole rings and the central phenyl ring is 83.84 (9)°.
[μ-1,4-Bis(1,2,4-triazol-1-ylmethyl)benzene]bis[aqua(pyridine-2,6-dicarboxylato)copper(II)] monohydrate
Gui-Ying Dong,Cui-Hong He,Liu Tong-Fei,Xiao-Chen Deng
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811022756
Abstract: The title compound, [Cu2(C7H3NO4)2(C12H12N6)(H2O)2]·H2O, displays a discrete dinuclear structure, in which the central CuII atom is five-coordinated in a distorted square-based pyramidal coordination geometry and the flexible ligand 1,4-bis(1,2,4-triazol-1-ylmethyl)benzene adopts a bis-monodentate bridging mode linking the CuII atoms. It is further assembled by O—H...O hydrogen-bond interactions involving both the coordinated and uncoordinated water molecules. The latter exhibits half-occupancy.
1,4-Bis(1H-benzimidazol-1-yl)but-2-ene
Gui-Ying Dong,Tong-Fei Liu,Cui-Huan Jiao,Xiao-Chen Deng
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811024251
Abstract: In the pseudo-centrosymmetric molecule of the title compound, C18H16N4, two benzimidazole fragments form the dihedral angles of 83.49 (7) and 79.37 (7)°, with the mean plane of the linking butene chain. No classical intermolecular interactions are observed. The porous crystal packing exhibits voids of 85 3.
Bis(2-propyl-1H-imidazol-3-ium) bis(pyridine-2,6-dicarboxylato-κ3O2,N,O6)cadmate(II)
Gui-Ying Dong,Tong-Fei Liu,Cui-Hong He,Xiao-Chen Deng
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811024792
Abstract: The title salt, (C6H11N2)2[Cd(C7H3NO4)2], displays a discrete mononuclear structure, in which the central CdII atom is six-coordinated in a distorted octahedral coordination geometry by two N and four O atoms from two different pyridine-2,6-dicarboxylate anions in an O2,N,O6-tridentate chelation mode. The crystal packing is stabilized by N—H...O hydrogen bonds and π–π interactions [centroid–centroid distance = 3.576 (5) ].
1,1′-[1,4-Phenylenebis(methylene)]bis(2-methyl-1H-imidazol-3-ium) 2,4-dicarboxybenzene-1,5-dicarboxylate monohydrate
Gui-Ying Dong,Tong-Fei Liu,Cui-Hong He,Xiao-Chen Deng
Acta Crystallographica Section E , 2011, DOI: 10.1107/s160053681102263x
Abstract: In the dication of the title compound, C16H20N42+·C10H4O82 ·H2O, the dihedral angles formed by mean planes of the imidazolium rings and the benzene ring are 69.05 (18) and 89.1 (2)°. In the crystal, the components are linked into a three-dimensional network by intermolecular N—H...O and O—H...O hydrogen bonds.
Migration Flows and Effects in the CIS Countries—Dynamic Modelling  [PDF]
Alexandr Tarasyev, Gui-Ying Cao, Elena Rovenskaya
Modern Economy (ME) , 2016, DOI: 10.4236/me.2016.77082
Abstract: Labour migration across countries has been playing a key role in the process of economic integration in the countries of the Commonwealth of Independent States (CIS). The experience of labour migration in CIS appears to be characterized by growing complexity with an increasingly diverse array of countries of origin and destination. The main issues of this paper are: 1) to understand how wage dynamics defined by the labour demand/supply ratio feeds back to migration dynamics, which affects the migration flows between sending and receiving countries over time; 2) to explore how the age structure affects migration flow which in turn effects labour supply in the host country; and 3) to project the potential future migration flow and its impacts on surplus and deficit of labour resource, in order to provide the relevant for migration policies at the both national and regional levels. In this paper we analyse these issues within a dynamic framework; we consider migrant flow into a host region/country at certain moments of time depending on the relationship between expected earnings, costs, and age structure. In addition, we also consider how migration flows interact with natural population growth and age structure in sending and hosting countries.
Improved Algorithm Based on LSB Image Information Hiding
一种基于LSB图像信息隐藏的改进算法

LI Gui-Yun,DENG Gui-Ying,ZHAO Feng-Yu,
李桂芸
,邓桂英,赵逢禹

计算机系统应用 , 2012,
Abstract: The LSB is the traditional information hiding methods,At first,this paper Presented and analyzed its principle.Then elaborated the principles of image scrambling technology.On his basis,we proposed a new image information hiding algorithm,the experiment and analysis results show that the algorithm is simple,having a good visual masking,high information hiding capacity and good security.
Solitons with Periodic Behavior in an SBN:75 Photorefractive Crystal

GUO Qing-Lin,DENG Gui-Ying,LIANG Bao-Lai,LI Pan-Lai,LI Yan,LI Xu,

中国物理快报 , 2010,
Abstract:
STUDIES OF LEAF CONDUCTANCE,TRANSPIRATION AND WATER POTENTIAL OF PLANTS IN ALPINE KOBRESIA HUMILIS MEADOW
高寒矮嵩草草甸植物温度叶扩散导度、蒸腾作用与水势

Ben Gui-Ying,
贲桂英

生态学报 , 1993,
Abstract: 高寒草甸是分布在高寒地区的一种独特的植被类型,由于长期处于较低的气温、低气压和强日辐射等自然环境条件下,植物经过长期的自然选择和适应,在生理生化及形态结构等方面具有明显的适应特征。自1986年至今,在2000—4000m不同海拔地区调查取样,对高寒植物生理生态及生化等方面进行了较为系统的研究,本文将对高寒矮嵩草草甸植物温度叶扩散导度、蒸腾作用与水势研究报道如下。
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