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REPRODUCTIVE AND DEVELOPMENTAL MEDICINE 2024年第3期8卷 162-168页

作者： Liu, Yun Tan, Xian-Ming he, tian-tian Sun Yat sen Univ Affiliated Hosp 7 Dept Obstet & Gynecol Shenzhen 518000 Peoples R China Sun Yat sen Univ Sch Med Shenzhen Campus Shenzhen 518000 Peoples R China Sun Yat sen Univ Affiliated Hosp 3 Dept Obstet Guangzhou 510000 Peoples R China

Objective:To investigate the role and mechanisms by which macrophages (M Phi) contribute to the immune environment of the endometrium in cases of recurrent implantation failure (RIF).Methods:Endometrial transcriptome data from women with and without RIF (control group) were collected. The CIBERSORT software was used to determine the abundance of immune cells within the endometrial tissue based on expression profiles. Weighted gene co-expression network analysis was used to identify crucial regulatory genes and ***:Application of CIBERSORT confirmed significant infiltration of macrophages in the RIF group. SOX6, TTC21A, KLHL31, NFIA, TNNT1, TPM1, CPVL, FUS, PEX5, and SLC43A3 were all closely correlated with M2 and M0 macrophages. Metascape and DisNor analyses revealed that these genes contribute to the regulation of macrophage polarization via the Wnt signaling ***:This study identified dysregulation of macrophage polarization within the immune microenvironment of the endometrium in patients with RIF. A comprehensive analysis was conducted to investigate the potential mechanisms underlying this disorder. Dysregulation of macrophage polarization in the endometrium of patients with RIF is strongly associated with the Wnt signaling pathway.

关键词： Macrophage Polarization disorder Immune microenvironment Recurrent implantation failure Assisted reproductive technology EXPRESSION ACTIVATION

Macrophage polarization disorder in the endometrial immune microenvironment may contribute to recurrent implantation failure

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生殖与发育医学(英文) 2024年第03期

作者： Liu Yun Tan Xian-Ming he tian-tian Department of Obstetrics and Gynecology The Seventh Affiliated Hospital Sun Yat-sen University Shenzhen China School of Medicine Shenzhen Campus of Sun Yat-sen University Shenzhen China Department of Obstetrics The Third Affiliated Hospital of Sun Yat-sen University Guangzhou China

Objective: To investigate the role and mechanisms by which macrophages (MΦ) contribute to the immune environment of the endometrium in cases of recurrent implantation failure (RIF).Methods: Endometrial transcriptome data from women with and without RIF (control group) were collected. The CIBERSORT software was used to determine the abundance of immune cells within the endometrial tissue based on expression profiles. Weighted gene co-expression network analysis was used to identify crucial regulatory genes and ***: Application of CIBERSORT confirmed significant infiltration of macrophages in the RIF group. SOX6, TTC21A, KLHL31, NFIA, TNNT1, TPM1, CPVL, FUS, PEX5, and SLC43A3 were all closely correlated with M2 and M0 macrophages. Metascape and DisNor analyses revealed that these genes contribute to the regulation of macrophage polarizationvia the Wnt signaling ***: This study identified dysregulation of macrophage polarization within the immune microenvironment of the endometrium in patients with RIF. A comprehensive analysis was conducted to investigate the potential mechanisms underlying this disorder. Dysregulation of macrophage polarization in the endometrium of patients with RIF is strongly associated with the Wnt signaling pathway.

关键词： Macrophage Polarization disorder Immune microenvironment Recurrent implantation failure Assisted reproductive technology

UGC模式下兰州市旅游目的地形象感知及传播策略研究——以小红书APP为例

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西北师范大学学报（自然科学版） 2024年第4期60卷 125-132页

作者：何田田李莉西北师范大学旅游学院甘肃兰州730070 甘肃省文化产业与新型文化业态发展研究中心甘肃兰州730070

伴随互联网及线上旅游平台日新月异的发展,平台用户生产内容(UGC)对游客出游行为的影响占比逐渐增大,越来越多的游客选择UGC模式的网络游记作为获取景区信息和旅游咨询的重要渠道.因此,借助UGC模式网络文本分析游客对旅游目的地的评价... 详细信息

伴随互联网及线上旅游平台日新月异的发展,平台用户生产内容(UGC)对游客出游行为的影响占比逐渐增大,越来越多的游客选择UGC模式的网络游记作为获取景区信息和旅游咨询的重要渠道.因此,借助UGC模式网络文本分析游客对旅游目的地的评价成为研究旅游目的地形象感知和传播效果的有效方法.本研究借助ROST Content Mining 6.0分析工具和GIS空间分析工具对小红书APP中“兰州旅游”相关内容进行目的地形象的感知和传播的分析,结合列斐伏尔的空间生产理论对兰州市提升旅游形象和旅游传播提出建议.

关键词： UGC 旅游目的地形象感知传播策略小红书APP

A Fractional-Order Ultra-Local Model-Based Adaptive Neural Network Sliding Mode Control of n-DOF Upper-Limb Exoskeleton With Input Deadzone

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IEEE/CAA Journal of Automatica Sinica 2024年第3期11卷 760-781页

作者： Dingxin he HaoPing Wang Yang tian Yida Guo the School of Automation Nanjing University of Science and TechnologyNanjing 210094China IEEE Norinco Group Institute of Navigation and Control Technology Beijing 100089China

This paper proposes an adaptive neural network sliding mode control based on fractional-order ultra-local model for n-DOF upper-limb exoskeleton in presence of uncertainties,external disturbances and input *** the model complexity and input deadzone,a fractional-order ultra-local model is proposed to formulate the original dynamic system for simple controller ***,the control gain of ultra-local model is considered as a *** fractional-order sliding mode technique is designed to stabilize the closed-loop system,while fractional-order time-delay estimation is combined with neural network to estimate the lumped ***,a fractional-order ultra-local model-based neural network sliding mode controller(FO-NNSMC) is ***,to avoid disadvantageous effect of improper gain selection on the control performance,the control gain of ultra-local model is considered as an unknown ***,the Nussbaum technique is introduced into the FO-NNSMC to deal with the stability problem with unknown ***,a fractional-order ultra-local model-based adaptive neural network sliding mode controller(FO-ANNSMC) is ***,the stability analysis of the closed-loop system with the proposed method is presented by using the Lyapunov ***,with the co-simulations on virtual prototype of 7-DOF iReHave upper-limb exoskeleton and experiments on 2-DOF upper-limb exoskeleton,the obtained compared results illustrate the effectiveness and superiority of the proposed method.

关键词： Adaptive control input deadzone model-free control n-DOF upper-limb exoskeleton neural network

Recycling the spent electronic materials to construct a highperformance Cu_(1.94)S/ZnS heterostructure anode of sodium-ion batteries

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Nano Research 2024年第5期17卷 4006-4015页

作者： Xiaowei he tianshuai Wang Lidong tian Qiuyu Zhang School of Chemistry and Chemical Engineering Xi’an Key Laboratory of Functional Organic Porous MaterialsKey Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information TechnologyNorthwestern Polytechnical UniversityXi’an 710072China Chongqing Science and Technology Innovation Center of Northwestern Polytechnical University Chongqing 401135China College of Materials Science and Engineering Xi’an University Science and TechnologyXi’an 710054China

heterostructure engineering by coupling different nanocrystals has received extensive attention because it can enhance the reaction kinetics of the anode of sodium-ion batteries(SIBs).However,constructing high-quality heterostructure anode materials through green and environmentally friendly methods remains a ***,we have proposed a simple one-step method by recycling the electronic waste metal materials to synthesize the Cu_(1.94)S/ZnS heterostructure *** with the experimental analysis and first principle calculations,we find that the synergistic effect of different components in heterostructure structures can significantly enhance the reversible capacity and rate performance of anode *** on the constructed Cu_(1.94)S/ZnS anode,we obtain a superior reversible capacity of 440 mAh·g^(-1) at 100 mA·g^(-1) and 335 mAh·g^(-1) after 3000 cycles at 2000 mA·g^(-1).Our work sheds new light on designing high-rate and capacity anodes for SIBs through the greenness synthesis method.

关键词： sodium-ion batteries heterostructure reversible capacity environmentally synthesis process

β-C(sp^(3))−H chlorination of amide derivatives via photoinduced copper charge transfer catalysis

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Chinese Chemical Letters 2024年第2期35卷 361-365页

作者： Yuhang he Chao tian Guanghui An Guangming Li Key Laboratory of Functional Inorganic Material Chemistry (MOE) School of Chemistry and Materials ScienceHeilongjiang UniversityHarbin 150080China

An atom economicβ-C(sp^(3))−H chlorination of amide derivatives has been *** mild protocol employs CuCl_(2) instead of palladium catalysts with atom-economic HCl as chlorine sources and enables the late-stage functionalization of medicine *** studies suggest a plausible visible light triggered ligand-to-metal charge transfer(LMCT)/1,4-hydrogen atom transfer(HAT)cascade.

关键词： Photoinduced copper catalysis Ligand-to-metal charge transfer 1,4-Hydrogen atom transfer β-Halogenated amide Late-stage functionalization

Revealing the anti-sintering phenomenon on silica-supported nickel catalysts during CO_(2)hydrogenation

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Journal of Environmental Sciences 2024年第6期140卷 270-278页

作者： Liuqingqing Yang tiancheng Pu Feixiang tian Yulian he Minghui Zhu State Key Laboratory of Chemical Engineering School of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237China University of Michigan-Shanghai Jiao Tong University Joint Institute Shanghai Jiao Tong UniversityShanghai 200240China School of Chemistry and Chemical Engineering Shanghai Jiao Tong UniversityShanghai 200240China

The CO_(2)catalytic hydrogenation represents a promising approach for gas-phase CO_(2)utilization in a direct *** to its excellent hydrogenation ability,nickel has been widely studied and has shown good activities in CO_(2)hydrogenation reactions,in addition to its high availability and low ***,Ni-based catalysts are prone to sintering under elevated temperatures,leading to unstable catalytic *** the present study,various characterization techniques were employed to study the structural evolution of Ni/SiO_(2)during CO_(2)*** anti-sintering phenomenon is observed for both 9%Ni/SiO_(2)and 1%Ni/SiO_(2)during CO_(2)hydrogenation at 400℃.Results revealed that Ni species were re-dispersed into smaller-sized nanoparticles and formed Ni^(0)active *** interestingly,this anti-sintering phenomenon leads to distinct outcomes for two catalysts,with a gradual increase in both reactivity and CH_(4)selectivity for 9%Ni/SiO_(2)presumably due to the formation of abundant surface Ni°from redispersion,while an apparent decreasing trend of CH_(4)selectivity for 1%Ni/SiO_(2)sample,presumably due to the formation of ultra-small nanoparticles that diffuse and partially filled the mesoporous pores of the silica support over ***,the redispersion phenomenon was found relevant to the H_(2)gas in the reaction environment and enhanced as the H_(2)concentration *** finding is believed to provide in-depth insights into the structural evolution of Ni-based catalysts and product selectivity control in CO_(2)hydrogenation reactions.

关键词： Carbon dioxide utilization CO_(2)hydrogenation Nickel-based catalysts Anti-sintering Structural evolution

Recent Progress in Improving Rate Performance of Cellulose-Derived Carbon Materials for Sodium-Ion Batteries

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Nano-Micro Letters 2024年第8期16卷 102-147页

作者： Fujuan Wang tianyun Zhang tian Zhang tianqi he Fen Ran State Key Laboratory of Advanced Processing and Recycling of Non‑Ferrous Metals Lanzhou University of TechnologyLanzhou 730050People’s Republic of China School of Materials Science and Engineering Lanzhou University of TechnologyLanzhou 730050People’s Republic of China School of Mechanical and Electronical Engineering Lanzhou University of TechnologyLanzhou 730050People’s Republic of China

Cellulose-derived carbon is regarded as one of the most promising candidates for high-performance anode materials in sodium-ion batteries;however,its poor rate performance at higher current density remains a challenge to achieve high power density sodium-ion *** present review comprehensively elucidates the structural characteristics of cellulose-based materials and cellulose-derived carbon materials,explores the limitations in enhancing rate performance arising from ion diffusion and electronic transfer at the level of cellulose-derived carbon materials,and proposes corresponding strategies to improve rate performance targeted at various precursors of cellulose-based *** review also presents an update on recent progress in cellulose-based materials and cellulose-derived carbon materials,with particular focuses on their molecular,crystalline,and aggregation ***,the relationship between storage sodium and rate performance the carbon materials is elucidated through theoretical calculations and characterization ***,future perspectives regarding challenges and opportunities in the research field of cellulose-derived carbon anodes are briefly highlighted.

关键词： Cellulose Hard carbon Anode materials Rate performance Sodium-ion batteries

Properties of Ultra-low Thermal Expansion LAS Transparent Glass-ceramics Prepared by Spodumene

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Journal of Wuhan University of Technology(Materials Science) 2024年第3期39卷 541-550页

作者：何峰何子君 ZHOU Zhiqiang tian Yingliang ZHAO Zhiyong School of Materials Science and Engineering Beijing University of TechnologyBeijing 100124China Department of Functional Material Research Central Iron and Steel Research InstituteBeijing 100081China School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070China National Engineering Research Center of FPD Glass Technology Xianyang 712000China

The glass-ceramics were prepared with the spodumene mineral as the main raw material,and the effects of ZrO_(2)replacing TiO_(2)on the samples were systematically *** results show that the substitution of ZrO_(2)for TiO_(2)is not conductive to precipitate𝛽β-quartz solid solution phase,but can improve the transparency and flexural strength of *** the glass-ceramic with the highest visible light transmittance(87%)and flexural strength(231.80 MPa)exhibits an ultra-low thermal expansion of-0.028×10^(-7)K^(-1)in the region of 30-700℃.

关键词： ultra-low thermal expansion LAS transparent glass-ceramics substitution of ZrO_(2)for TiO_(2) spodumene mineral

Anderson Acceleration of Gradient Methods with Energy for Optimization Problems

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Communications on Applied Mathematics and Computation 2024年第2期6卷 1299-1318页

作者： Hailiang Liu Jia-Hao he Xuping tian Department of Mathematics Iowa State UniversityAmesIAUSA Department of Agricultural and Biosystems Engineering Iowa State UniversityAmesIAUSA

Anderson acceleration(AA)is an extrapolation technique designed to speed up fixed-point *** optimization problems,we propose a novel algorithm by combining the AA with the energy adaptive gradient method(AEGD)[arXiv:2010.05109].The feasibility of our algorithm is ensured in light of the convergence theory for AEGD,though it is not a fixed-point *** provide rigorous convergence rates of AA for gradient descent(GD)by an acceleration factor of the gain at each implementation of *** experimental results show that the proposed AA-AEGD algorithm requires little tuning of hyperparameters and exhibits superior fast convergence.

关键词： Anderson acceleration(AA) Gradient descent(GD) Energy stability