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Seismic response analysis of damper-connected adjacent structures with stochastic parameters

Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2010年第6期11卷 402-414页

作者： Dong-dong GE Hong-ping ZHU Dan-sheng WANG min-shui huang School of Civil Engineering and Mechanics Huazhong University of Seience and Technology Wuhan 430074 China Hubei Key Laboratory of Control Structure Huazhong University of Science and Technology Wuhan 430074 China Transportation Research Center Wuhan Institute of Technology Wuhan 430073 China

Dynamic response analysis of damper connected adjacent multi-story structures with uncertain parameters is carried out.A formula of the multi degree of freedom(MDOF) for the structure-damper system with stochastic parameters is *** uncertainties of mass and stiffness are taken into consideration *** ground acceleration is represented by Kanai-Tajimi filtered non-stationary *** mean square random responses of structural displacement and story drift are chosen as the optimization *** variations of mean square responses of top floor displacements and bottom story drifts in neighboring structures with the damper stiffness and damping coefficient are analyzed in *** the parametric study,the acquiring optimum parameters of damper are regarded as numerical ***,a reducing order model of the MDOF system for adjacent structures with mean parameters is *** explicit expressions for determining optimal parameters of Kelvin model-defined damper which is used to connect adjacent single degree of freedom(SDOF) structures subjected to a white-noise excitation are employed to achieve the appropriate damper parameters,which are called theory *** a comparative study,it can be found that the theory values of damper parameters are consistent with the results based on extensive parametric *** analytical results can be obtained by using the first natural frequencies and the total mass of the adjacent deterministic structures with mean *** analytical formulas can be used to find appropriate parameters of damper between adjacent structures for engineering *** performance of damper is investigated on the basis of mitigations of mean square random responses of inter-story drifts,displacements and accelerations in adjacent *** numerical results demonstrate the robustness of coupled building control strategies.

关键词： Adjacent structures Passive control Stochastic parameters Seismic response

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Moment Redistribution Effect of the Continuous Glass Fiber Reinforced Polymer-Concrete Composite Slabs Based on Static Loading Experiment

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Structural Durability & Health Monitoring 2025年第1期19卷 105-123页

作者： Zhao-Jun Zhang Wen-Wei Wang Jing-shui Zhen Bo-Cheng Li De-Cheng Cai Yang-Yang Du Hui huang Offshore Oil Engineering Co.Ltd. Tianjin300461China Department of Bridge Engineering School of TransportationSoutheast UniversityNanjing211189China

This study aimed to investigate the moment redistribution in continuous glass fiber reinforced polymer(GFRP)-concrete composite slabs caused by concrete cracking and steel bar yielding in the negative bending moment *** experimental bending moment redistribution test was conducted on continuous GFRP-concrete composite slabs,and a calculation method based on the conjugate beam method was *** composite slabs were formed by combining GFRP profiles with a concrete layer and supported on steel beams to create two-span continuous composite slab *** methods,epoxy resin bonding,and stud connection,were used to connect the composite slabs with the steel *** experimental findings showed that the specimen connected with epoxy resin exhibited two moments redistribution phenomena during the loading process:concrete cracking and steel bar yielding at the internal *** contrast,the composite slab connected with steel beams by studs exhibited only one-moment redistribution phenomenon throughout the loading *** the concrete at the internal support cracked,the bending moment decreased in the internal support section and increased in the midspan *** the steel bars yielded,the bending moment further decreased in the internal support section and increased in the mid-span *** GFRP profiles do not experience cracking,there was no significant decrease in the bending moment of the mid-span *** test specimens experienced compressive failure of concrete at the mid-span *** results showed good agreement between the calculated and experimental values of bending moments in the mid-span section and internal support *** proposed model can effectively predict the moment redistribution behavior of continuous GFRP-concrete composite slabs.

关键词： Moment redistribution GFRP-concrete composite slabs bending moment experimental study analysis model

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我国人才发展治理体系的特征、逻辑基础与发展路向

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三峡大学学报（人文社会科学版） 2025年第1期47卷 88-95页

作者：吴凡黄焕水广西大学公共管理学院广西南宁530004

人才发展治理体系是国家治理体系现代化的重要组成部分,是国家创新驱动和社会进步实现的驱动力。人才发展治理体系就是要从系统论角度,以国家战略、社会经济发展和人才可持续发展为目标,对人才资源进行全方位、全周期的管理与开发的综... 详细信息

人才发展治理体系是国家治理体系现代化的重要组成部分,是国家创新驱动和社会进步实现的驱动力。人才发展治理体系就是要从系统论角度,以国家战略、社会经济发展和人才可持续发展为目标,对人才资源进行全方位、全周期的管理与开发的综合性制度体系。梳理了我国人才发展治理体系发展的四个阶段,总结出我国人才发展治理体系的法制化、市场化、社会化、国际性、包容性五个特征,揭示我国人才发展治理体系运行的逻辑基础(即坚持党管人才、坚持本土化战略、遵循市场规律和坚持以人为本四个原则)。基于此,提出通过强化顶层设计、深化数字赋能以及加强人文关怀等对策建议,旨在构建符合中国国情的人才发展治理体系,为实现中华民族伟大复兴提供坚实的人才支撑。

关键词：人才发展治理体系治理特征治理逻辑发展路向

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TEPG:a traffic engineering based power-aware greedy routing algorithm in backbone networks with bundled links

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Frontiers of Computer Science 2024年第1期18卷 243-245页

作者： Jinhong ZHANG Xingwei WANG Ruixia LI Bo YI min huang Dongxing shui School of Electronic and Information Engineering West Anhui UniversityLu’an 237012China State Key Laboratory of Synthetical Automation for Process Industries Northeastern UniversityShenyang 110819China School of Computer Science and Engineering Northeastern UniversityShenyang 110169China School of Information Science and Engineering Northeastern UniversityShenyang 110819China

1 Introduction and main contributions Various power-aware solutions have been proposed to address the alarming energy waste and consequent serious environmental issues since Gupta and Singh initiated the seminal study on green networking problem in *** of the researches concentrated their efforts on power-aware networking under the non-bundled link scenarios by leveraging the dynamic power management based Low Power Idle(LPI)policy which was defined and standardized in the IEEE 802.3az ***,in modern backbone networks,pairs of routers are typically connected,for each traffic direction,by multiple physical links that form one logical bundled link,which is the link aggregation technique defined and standardized in IEEE 802.1AX.

关键词： power bundle backbone

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甲烷在ZnO表面反应制合成气的微观机理研究

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原子与分子物理学报 2025年第6期42卷 1-9页

作者：黄琼谊楼波丁佳欣王水安华南理工大学电力学院广州510640

利用密度泛函(DFT)和过渡态理论对甲烷分子在ZnO表面的微观反应过程进行第一性原理研究,通过建立ZnO表面的吸附模型,计算了吸附能、过渡态参数和态密度,探讨了甲烷分子在氧化锌晶体表面H解离以及H_(2)和CO的生成过程,结果表明:CH_(4)在Z... 详细信息

利用密度泛函(DFT)和过渡态理论对甲烷分子在ZnO表面的微观反应过程进行第一性原理研究,通过建立ZnO表面的吸附模型,计算了吸附能、过渡态参数和态密度,探讨了甲烷分子在氧化锌晶体表面H解离以及H_(2)和CO的生成过程,结果表明:CH_(4)在ZnO(010)表面的最佳吸附位点为Zn位,吸附能为-4.65 kcal/mol,甲烷在氧化锌ZnO(010)面四次解离H(反应动力学上最有利路径)所需克服的能垒分别为38.6 kcal/mol、90.8 kcal/mol、53.2 kcal/mol和35.8 kcal/mol,其中甲烷第二次解离H_(2)过程能垒最高,是反应过程的决速步,降低该基元反应的活化能是关键,而-OH的形成抑制了-CH_(3)的解离.氧空位的形成增加活性位点的数量与提高位点的活性.甲烷与氧化锌表面的反应有两次H_(2)生成反应,第一次生成H_(2)的反应难度较大.

关键词：化学链重整甲烷反应机理密度泛函理论过渡态

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Influence of rolling temperature on the interfaces and mechanical performance of graphene-reinforced aluminum-matrix composites

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International Journal of minerals,Metallurgy and Materials 2019年第6期26卷 752-759页

作者： Chen-yang huang shui-ping Hu Kai Chen Institute of Engineering Technology University of Science and Technology BeijingBeijing 100083China School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083China

To study the influence of rolling on the interfaces and mechanical performance of graphene-reinforced Al-matrix composites,a rolling method was used to process *** scanning electron microscopy(SEM),transmission electron microscopy(TEM),X-ray diffraction(XRD),Raman spectroscopy,and tensile testing,this study analyzed the micromorphology,interfaces,and mechanical performance of the composites before and after *** experimental results demonstrates that the composites after hot rolling has uniform structures with strong interfacial *** an increase in rolling temperature,the tensile strength and elastic modulus of the composites gradually ***,when the rolling temperature is higher than 500°C,granular and rod-like Al4C3 phases are observed at the interfaces and the mechanical performance of the composites is *** the rolling temperature is 480°C,the composites show the optimal comprehensive mechanical performance,with a tensile strength and elastic modulus of 403.3 MPa and 77.6 GPa,respectively,which represent increases of 31.6%and 36.9%,respectively,compared with the corresponding values prior to rolling.

关键词： rolling graphene composite interface mechanical performance

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Lipid Is Moving to the Forefront of Bio-Medical Research

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Journal of Genetics and Genomics 2014年第5期41卷 229-230页

作者： Guanghou shui Xun huang State Key Laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of Sciences

While conventionally perceived as major components of cellular membranes and lipid droplets （LDs）, lipids have now emerged as key players with distinctive roles involving in a wide range of biological processes such as signaling events, trafficking, and compartmentalization of macromolecules. One of the key concerns in lipid research is its homeostasis, which is fundamental to health maintenance of cells, living organisms and human beings. It is evident now that deregulated lipid metabolism plays very important roles in many human diseases such as type 2 diabetes, cardiovascular diseases, Alzheimer＇s disease （AD）, Parkinson＇s disease, cancer and infectious diseases （Lam and shui, 2013）.

关键词： In Lipid Is Moving to the Forefront of Bio-Medical Research

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Dry ball milling and wet ball milling for fabricating copper-yttria composites

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Rare Metals 2018年第10期37卷 859-867页

作者： Fei huang Hang Wang Jin-shui Chen Bin Yang School of Materials Science and Engineering Jiangxi University of Science and Technology Ganzhou 341000 China Editorial Office Nonferrous Metals of Science and EngineeringJiangxi University of Science and Technology Ganzhou 341000China Institute of Engineering Research Jiangxi University of Scienceand Technology Ganzhou 341000 China

Yttria-reinforced copper matrix composites were prepared by dry ball milling （DBM） and wet ball milling （WBM）, respectively, followed by spark plasma sintering （SPS）. It is to determine which milling process is better for fabricating Cu-Y2O3 composites. It is found that Cu-Y2O3 composites synthesized by DBM exhibit better densification, mechanical and electrical properties than those by WBM. Less agglomeration of reinforcements in the bulk composites by DBM is responsible for the better perfor- mances. To further understand the reason of less agglomeration of Y2O3 in the bulks by DBM, morphologies of prepared powders were investigated and analyzed. Higher ball＇s impact energy and the formation of copper oxide on the matrix surface during DBM process contribute to small matrix particles, which is beneficial for less agglomeration.

关键词： Cu-Y2O3 composites Dry ball milling Wet ball milling Spark plasma sintering Morphology

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Tuning active sites in MoS_(2)-based catalysts via H_(2)O_(2)etching to enhance hydrodesulfurization performance

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Petroleum Science 2023年第6期20卷 3875-3886页

作者： shui-Sen He Ting-Ting huang Chao Chen Yu Fan State Key Laboratory of Heavy Oil Processing China University of PetroleumBeijing102249China State Key Laboratory Base for Eco-Chemical Engineering in College of Chemical Engineering Qingdao University of Science and TechnologyZhengzhou Road 53Qingdao266042ShandongChina

A H_(2)O_(2)etching strategy was adopted to introduce coordinatively unsaturated sites(CUS)on MoS_(2)-based catalysts for dibenzothiophene(DBT)hydrodesulfurization(HDS).The CUS concentrations on MoS_(2) slabs were finely regulated by changing the concentrations of H_(2)O_(2)*** the increasing H_(2)O_(2)concentrations(0.1–0.3 mol/L),The CUS concentrations on MoS_(2) slabs increased ***,the high-concentration H_(2)O_(2)etching(0.5 mol/L)increased the MoOxSy and MoO_(3) contents on MoS_(2) slabs compared to etching with the H_(2)O_(2)concentration of 0.3 mol/L,which led to the less CUS concentration in the sulfided Mo–H-0.5 catalyst than in the sulfided Mo–H-0.3 catalyst.A microstructure-activity correlation indicated that the CUS introduced by H_(2)O_(2)etching on MoS_(2) slabs significantly enhanced DBT *** Co loadings were further introduced into Mo–H-0.3,which had the most CUS concentration,and the corresponding 0.2-CoMo catalyst with the highest CoMoS content(3.853 wt%)exhibited the highest reaction rate constant of 6.95×10^(−6)mol g^(−1)s^(−1)among these CoMo catalysts.

关键词： H_(2)O_(2)etching Coordinatively unsaturated site concentrations CoMoS Hydrodesulfurization

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A Robust Face Recognition Method Combining LBP with Multi-mirror Symmetry for Images with Various Face Interferences

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International Journal of Automation and computing 2019年第5期16卷 671-682页

作者： shui-Guang Tong Yuan-Yuan huang Zhe-ming Tong State Key Laboratory of Fluid Power and Mechatronic Systems Zhejiang UniversityNo.38Zheda RoadHangzhou 310027China School of Mechanical Engineering Zhejiang UniversityNo.38Zheda RoadHangzhou 310027China

Face recognition(FR) is a practical application of pattern recognition(PR) and remains a compelling topic in the study of computer vision. However, in real-world FR systems, interferences in images, including illumination condition, occlusion, facial expression and pose variation, make the recognition task challenging. This study explored the impact of those interferences on FR performance and attempted to alleviate it by taking face symmetry into account. A novel and robust FR method was proposed by combining multi-mirror symmetry with local binary pattern(LBP), namely multi-mirror local binary pattern(MMLBP). To enhance FR performance with various interferences, the MMLBP can 1) adaptively compensate lighting under heterogeneous lighting conditions, and 2) generate extracted image features that are much closer to those under well-controlled conditions(i.e., frontal facial images without expression). Therefore, in contrast with the later variations of LBP, the symmetrical singular value decomposition representation(SSVDR) algorithm utilizing the facial symmetry and a state-of-art non-LBP method, the MMLBP method is shown to successfully handle various image interferences that are common in FR applications without preprocessing operation and a large number of training images. The proposed method was validated with four public data sets. According to our analysis, the MMLBP method was demonstrated to achieve robust performance regardless of image interferences.

关键词： Face recognition(FR) local binary pattern(LBP) facial symmetry image interferences multi-mirror average

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