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Eigenfunctions of Five-Qubit XX Chain and Ground State Concurrence

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Communications in Theoretical Physics 2008年第12期50卷 1295-1298页

作者： LING yin-sheng School of Physical Science and Technology Suzhou University Suzhou 215006 China

Use Jordan-Wigner transformation the eigenstates and eigenenergies of live qubits XX chain including external magnetic field are obtained. The concurrences Co,1 and Co,2 of ground state are obtained. For the ferromagnetic, when [（√5 - 1）/2]｜J｜〈 B ≤ ｜J｜, the values of C0,1 and C0,2 are the same. The C0,2 is easily broken by temperature.

关键词： XX chain entanglement Jordan-Wigner transformation concurrence

Weighted estimates for commutators of singular integral operators with non-smooth kernels

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Applied Mathematics(A Journal of Chinese Universities) 2010年第3期25卷 318-324页

作者： ZHANG Lin JIANG yin-sheng Department of Applied Mathematics Xinjiang Institue of Finance and Economics Xinjiang 830012 China. College of Mathematics and Systems Science Xinjiang University Xinjiang 830046 China

In this paper, we establish the boundedness of commutators of singular integral operators with non-smooth kernels on weighted Lipschitz spaces Lipβ,ω. The condition on the kernel in this paper is weaker than the usu... 详细信息

关键词： Lipβ,ω space commutator singular integral operator non-smooth kernel.

Visualization of flow behavior in ore-segregated packed beds with fine interlayers

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International Journal of Minerals,Metallurgy and Materials 2020年第7期27卷 900-909页

作者： Lei-ming Wang sheng-hua yin Ai-xiang Wu Key Laboratory of Ministry of Education for High-Efficient Mining and Safety of Metal University of Science and Technology BeijingBeijing 100083China School of Civil and Resource Engineering University of Science and Technology BeijingBeijing 100083China Department of Materials Engineering University of British Columbia309-6350 Stores RoadVancouver V6T 1Z4BCCanada

Ore particles,especially fine interlayers,commonly segregate in heap stacking,leading to undesirable flow paths and changeable flow velocity fields of packed *** tomography(CT),COMSOL Multiphysics,and MATLAB were utilized to quantify pore structures and visualize flow behavior inside packed beds with segregated fine *** formation of fine interlayers was accompanied with the segregation of particles in packed *** particles reached the upper position of the packed beds during *** revealed that the average porosity of fine interlayers(24.21%)was significantly lower than that of the heap packed by coarse ores(37.42%),which directly affected the formation of flow ***,the potential flow paths in the internal regions of fine interlayers were *** flowed and bypassed the fine interlayers and along the sides of the packed *** velocity also indicated that the flow paths easily gathered in the pore throat where flow velocity(1.8×10^-5 m/s)suddenly *** stagnant regions with a flow velocity lower than 0.2×10^-5 m/s appeared in flow paths with a large diameter.

关键词： fine interlayer flow behavior computed tomography segregation preferential flow

MEDV-13 for QSRR of 62 Polychlorinated Naphthalenes

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Chinese Chemical Letters 2002年第8期13卷 791-794页

作者： Shu Shen LIU Chun sheng yin Lian sheng WANG State Key Laboratory of Pollution Control and Resources Reuse Department of Environmental Science&EngineeringNanjing UniversityNanjing 210093

A molecular electronegativity distance vector based on 13 atomic types (MEDV-13) is used to describe the structures of 62 polychlorinated naphthalene (PCN) congeners and related to the gas chromatographic relative retention indices (RIs) of PCNs. Using multiple linear regression, a 4-variable quantitative structure-retention relationship (QSRR) with the correlation coefficient of estimations (r) being 0.9912 and the root mean square error of estimations (RMSEE) being 31.4 and the correlation coefficient of predictions (q) and the root mean square error of predictions (RMSEP) in the leave-one-out procedure are 0.9898 and 33.76, respectively.

关键词： Molecular electronegativity distance vector (MEDV) polychlorinated naphthalene (PCN) gas chromatographic relative retention indice (RI) multiple linear regression (MLR).

Parabolic Equations with VMO Coefficients in Generalized Morrey Spaces

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Acta Mathematica Sinica,English Series 2010年第1期26卷 117-130页

作者： Lin ZHANG yin sheng JIANG Jiang ZHOU College of Mathematics and Systems Science Xinjiang University Urumqi 830046 P. R. China Department of Applied Mathematics Xinjiang Institue of Finance and Economics Urumqi 830012 F. R. China

In this paper, the authors establish the regularity in generalized Morrey spaces of solutions to parabolic equations with VMO coefficients by means of the theory of singular integrals and linear commutators.

关键词： uniformly parabolic operator generalized Morrey spaces VMO singular integrals andcommutators

Endothelial progenitor cell-conditioned medium promotes angiogenesis and is neuroprotective after spinal cord injury

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Neural Regeneration Research 2018年第5期13卷 887-895页

作者： Tao Wang Xiao Fang Zong-sheng yin Department of Orthopedics the First Affiliated Hospital of Anhui Medical University Department of Spine Surgery Hefei Binhu Hospital the Third Affiliated Hospital of Anhui Medical University

Endothelial progenitor cells secrete a variety of growth factors that inhibit inflammation, promote angiogenesis and exert neuroprotective effects. Therefore, in this study, we investigated whether endothelial progenitor cell-conditioned medium might have therapeutic effectiveness for the treatment of spinal cord injury using both in vitro and in vivo experiments. After primary culture of bone marrow-derived macrophages, lipopolysaccharide stimulation was used to classically activate macrophages to their proinflammatory phenotype. These cells were then treated with endothelial progenitor cell-conditioned medium or control medium. Polymerase chain reaction was used to determine mR NA expression levels of related inflammatory factors. Afterwards, primary cultures of rat spinal cord neuronal cells were prepared and treated with H2O2and either endothelial progenitor cell-conditioned medium or control medium. Hoechst 33258 and propidium iodide staining were used to calculate the proportion of neurons undergoing apoptosis. Aortic ring assay was performed to assess the effect of endothelial progenitor cell-conditioned medium on angiogenesis. Compared with control medium, endothelial progenitor cell-conditioned medium mitigated the macrophage inflammatory response at the spinal cord injury site, suppressed apoptosis, and promoted angiogenesis. Next, we used a rat model of spinal cord injury to examine the effects of the endothelial progenitor cell-conditioned medium in vivo. The rats were randomly administered intraperitoneal injection of PBS, control medium or endothelial progenitor cell-conditioned medium, once a day, for 6 consecutive weeks. Immunohistochemistry was used to observe neuronal morphology. Terminal deoxynucleotidyl transferase-mediated d UTP nick-end labeling assay was performed to detect the proportion of apoptotic neurons in the gray matter. The Basso, Beattie and Bresnahan Locomotor Rating Scale was used to evaluate the recovery of motor function of the b

关键词： nerve regeneration endothelial progenitor cells conditioned medium spinal cord injury inflammation classical macrophages angiogenesis neuroprotection alternatively activated macrophages Basso Beattie and Bresnahan score neural regeneration

Precise Control of Self-assembly in vivo Based on Polymer-Peptide Conjugates

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Chinese Journal of Chemistry 2022年第23期40卷 2815-2824页

作者： yin-sheng Xu Hao Wang Zeng-ying Qiao CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety CAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology(NCNST)Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing 100190China

The self-assembled nanomaterials based on peptides,which have not only good biocompatibility and low toxicity but also high stability and performance,are increasingly becoming an important way for cancer *** this review,we highlight the progress of in vivo self-assembled polymer-peptide conjugates(PPCs)and their application,showing the recent advances in the development of“in vivo self-assembly”strategy for cancer *** the diverse microenvironments of tumor cells,different responsive assembly strategies(enzyme,pH,redox,temperature,etc.)have been developed to precisely control the assembly at different biological levels,realizing enhanced drug delivery and improved anticancer efficacy.

关键词： Polymer-peptide conjugates Drug design In vivo self-assembly Drug delivery Antitumor agents

Some Estimates for Convolution Operators with Kernels of Type (l, r) on Homogeneous Groups

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Acta Mathematica Sinica,English Series 2005年第3期21卷 577-584页

作者： yin sheng JIANG Ming Ju LIU Lin TANG Department of Mathematics Xinjiang University Urumqi 830046 P. R. China Department of Mathematics Beijing Normal University Beijing 100875 P. R. China Department of Mathematics Peking University Beijing 100871 P. R. China

Some estimates for the convolution operators with kernels of type （l, r） on Lebesgue spaces with power weights and Herz-type spaces in the setting of homogeneous groups are established.

关键词： Kernels of type (l r) Homogeneous group Power weight Herz-type space

Preparation and Acid Catalytic Activity of TiO2 Grafted Silica MCM-41 with Sulfate Treatment

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Chinese Journal of Chemical Physics 2008年第1期21卷 21-26页

作者： Dai-shi Guo Zi-feng Ma Chun-sheng yin Qi-zhong Jiang Department of Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 China School of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai 200240China

TiO2 grafted silica MCM-41 catalyst with and without sulfate treatment were prepared. The structural and acid properties of these materials were investigated by XRD, N2 adsorption-desorption, element analysis, thermal analysis, Raman and FTIR measurements. Their acid-catalytic activities were evaluated using the cyclization reaction of pseudoionone. It was found that the obtained materials possess well-ordered mesostructure, and the grafted TiO2 components were in highly dispersed amorphous form. T/MCM41 without sulfation contained only Lewis acid sites, while Brφnsted and Lewis acidities were remarkably improved for the sulfated materials ST/MCM41 and d-ST/MCM41. T/MCM-41 was not active for the cyclization reaction of pseudoionone, but ST/MCM-41 and d-ST/MCM-41 possessed favorable catalytic activities. The catalytic performance of ST/MCM-41 was comparable with that of the commercial solid acid catalyst of Amberlyst-15, and better than that of d-ST/MCM-41, although the latter underwent a second TiO2 grafting process and accordingly had higher Ti and S content. The specific surface structure of Si-O-Ti-O-S=O in ST/MCM-41 and the bilateral induction effect of Si and S=O on Si-O-Ti bonds were speculated to account for its higher acid catalytic activity.

关键词： TiO2 grafting Sulfate treatment Silica MCM-41 Acid catalytic activity Cyclization of pseudoionone