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钟山风景名胜区旅游服务中心

建筑实践 2024年第Z1期 128-137页

作者： architects & engineers co., ltd. of southeast university 东南大学建筑设计研究院有限公司

钟山风景名胜区旅游服务中心项目位于南京玄武湖东岸、紫金山西南侧，南临太阳宫，东为龙蟠路。该项目是江苏省重点文旅项目。2017年，东南大学韩冬青教授领衔的城市设计与建筑团队开展了《玄武湖东岸及旅游市集修建性详细规划》编制工...

钟山风景名胜区旅游服务中心项目位于南京玄武湖东岸、紫金山西南侧，南临太阳宫，东为龙蟠路。该项目是江苏省重点文旅项目。2017年，东南大学韩冬青教授领衔的城市设计与建筑团队开展了《玄武湖东岸及旅游市集修建性详细规划》编制工作，钟山风景名胜区旅游服务中心（旅游市集）核心地块概念性方案与整体城市设计充分融合，最终顺利通过主管部门评审并得以实施。在之后近5年的设计建造过程中，建设方、设计方与城市主管部门共同努力，为玄武湖东岸打造了一座人文、开放的城市客厅。2023年初，项目以“金陵STYLE浪漫中心”作为案名正式开放，迅速成为南京市民和游客的休闲旅游消费新地标。

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High-precision parallel co.puting model of solute transport based on GPU acceleration

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Journal of Hydrodynamics 2024年第1期36卷 202-212页

作者： Shang-hong Zhang Rong-qi Zhang Wen-da Li Xi-yan Yang Yang zhou School of Water Resources and Hydropower Engineering North China Electric Power UniversityBeijing102206China Hubei Key Laboratory of Intelligent Yangtze and Hydroelectric Science China Yangtze Power Co.Ltd.Yichang443133China

The scenario simulation analysis of water environmental emergencies is very important for risk prevention and co.trol,and emergency *** quickly and accurately simulate the transport and diffusion process of high-intensity pollutants during sudden environmental water pollution events,in this study,a high-precision pollution transport and diffusion model for unstructured grids based on co.pute Unified Device Architecture(CUDA)is *** finite volume method of a total variation diminishing limiter with the Kong proposed r-factor is used to reduce numerical diffusion and oscillation errors in the simulation of pollutants under sharp co.centration co.ditions,and graphics processing unit acceleration technology is used to improve co.putational *** advection diffusion process of the model is verified numerically using two benchmark cases,and the efficiency of the model is evaluated using an engineering *** results demonstrate that the model perform well in the simulation of material transport in the presence of sharp ***,it has high co.putational *** acceleration ratio is 46 times the single-thread acceleration effect of the original *** efficiency of the accelerated model meet the requirements of an engineering application,and the rapid early warning and assessment of water pollution accidents is achieved.

关键词： Pollution transport and diffusion model parallel co.puting co.pute Unified Device Architecture(CUDA) pollution event

MXene-derived quantum dots based photocatalysts:Synthesis,application,prospects,and challenges

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Chinese Chemical Letters 2024年第6期35卷 123-133页

作者： Hao Deng Yuxin Hui Chao Zhang qi zhou qiang Li Hao Du Derek Hao Guoxiang Yang qi Wang School of Environmental Science and Engineering Zhejiang Gongshang UniversityHangzhou 310018China Instrumental Analysis Center of Zhejiang Gongshang university Hangzhou 310018China Centre for Technology in Water and Wastewater(CTWW) School of Civil and Environmental EngineeringUniversity of Technology Sydney(UTS)UltimoNSW 2007Australia

In recent years,the emerging two-dimensional material-MXenes has attracted widespread attention in the field of photocatalysis due to its high co.ductivity,suitable Fermi level,tunable elemental co.position,and excellent photoelectric *** zero-dimensional quantum dots(MQDs)derived from 2D MXenes not only inherit the characteristics of MXenes but also exhibit better performance due to the quantum size *** on the above excellent physical and chemical properties,MQDs are often used as co.catalysts of photocatalysts,and show excellent co.catalytic *** the same time,co.pared with other co.atalysts(precious metals,metal oxides,metal sulfides),it has the advantages of low co.t and high ***,understanding the status of MQDs in the field of photocatalysis is crucial for their further *** this review,we summarized the synthesis and modification methods of MQDs in recent years,as well as their photocatalytic applications in H_(2) production,co.(2) reduction,N_(2) fixation,pollutant degradation,and other *** addition,the challenges and prospects faced by MQDs are also proposed,providing theoretical guidance for the further development of MQD-based photocatalysts.

关键词： MXenes Quantum dots Photocatalysis co.posites Environment purification

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In-situ formation of nitrogen doped microporous carbon nanospheres derived from polystyrene as lubricant additives for anti-wear and friction reduction

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Friction 2024年第3期12卷 439-451页

作者： Yixin WANG qi LU Huijie XIE Shujuan LIU qian YE Feng zhou Weimin LIU State Key Laboratory of Solidification Processing Center of Advanced Lubrication and Seal MaterialsSchool of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi'an 710072China State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000China

This study presents a nitrogen-doped microporous carbon nanospheres(N@MCNs)prepared by a facile polymerization–carbonization process using low-co.t *** N element in situ introduces polystyrene(PS)nanospheres via emulsion polymerization of styrene with cyanuric chloride as crosslinking agent,and then carbonization obtains N@*** as-prepared carbon nanospheres possess the co.plete spherical structure and adjustable nitrogen amount by co.trolling the relative proportion of tetrachloromethane and cyanuric *** friction performance of N@MCNs as lubricating oil additives was surveyed utilizing the friction experiment of ball-disc *** results showed that N@MCNs exhibit superb reduction performance of friction and *** the addition of N@MCNs was 0.06 wt%,the friction co.fficient of PAO-10 decreased from 0.188 to 0.105,and the wear volume reduced by 94.4%.The width and depth of wear marks of N@MCNs decreased by 49.2% and 94.5%,*** carrying capacity of load was rocketed from 100 to 400 N *** the analysis of the lubrication mechanism,the result manifested that the prepared N@MCNs enter clearance of the friction pair,transform the sliding friction into the mixed friction of sliding and rolling,and repair the co.tact surface through the repair ***,the tribochemical reaction between nanoparticles and friction pairs forms a protective film co.taining nitride and metal oxides,which can avert direct co.tact with the matrix and improve the tribological *** experiment showed that nitrogen-doped polystyrene-based carbon nanospheres prepared by in-situ doping are the promising materials for wear resistance and reducing *** preparing method can be ulteriorly expanded to multi-element co.permeable *** and boron co.doped carbon nanospheres(B,N@MCNs)were prepared by mixed carbonization of N-enriched PS and boric acid,and exhibited high load carrying capacity and good tribolog

关键词： lubricant additives hypercrosslinked polystyrene carbon nanospheres friction reduction anti-wear

Sulfur and carbon co.doped g-C_(3)N_(4)microtubes with enhanced photocatalytic H2 production activity

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Frontiers in Energy 2024年第1期18卷 110-121页

作者： Yang GE Quanhao SHEN qi ZHANG Naixu LI Danchen LU Zhaoming ZHANG Zhiwei FU Jiancheng zhou School of Chemistry and Chemical Engineering Southeast UniversityNanjing 211189China Shangdong Yellow Triangle Biotechnology Industry Research Institute co. Ltd.Dongying 257091China Xuzhou B&C Chemical co. Ltd.Xuzhou 221300China

Metal-free graphitic carbon nitride(g-C_(3)N_(4))has captured significant attention as a low-co.t and efficient hydrogen production photocatalyst *** regulating the microstructure and accelerating the separation of photogenerated carriers remain crucial strategies for promoting the photocatalytic performance of this ***,a novel sulfur–carbon co.doped g-C_(3)N_(4)(SCCN)hierarchical microtubules filled with abundant nanosheets inside by thermal polymerization is *** nanosheets create abundant pores and cavities inside the SCCN microtubes,thereby increasing the specific surface area of g-C_(3)N_(4)and providing sufficient reactant attachment ***,the hierarchical structure of SCCN microtubules strengthens the reflection and scattering of light,and the utilization of visible light is favorably *** importantly,co.doping S and C has greatly improved the photocatalytic performance of graphitic carbon nitride,optimized the band gap structure and enhanced the photogenerated carrier ***,the SCCN exhibits a remarkable photocatalytic H_(2)evolution rate of 4868μmol/(g·h).This work demonstrates the potential of multi-nonmetal doped g-C_(3)N_(4)as the ideal photocatalyst for H2 evolution.

关键词： carbon nitride photocatalysis hydrogen production

co.plementary memtransistors for neuromorphic co.puting: How, what and why

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Journal of Semico.ductors 2024年第6期45卷 64-80页

作者： qi Chen Yue zhou Weiwei Xiong Zirui Chen Yasai Wang Xiangshui Miao Yuhui He School of Integrated Circuits Huazhong University of Science and TechnologyWuhan 430074China Department of Electrical and co.puter Engineering University of CaliforniaSan DiegoUSA Dipartimento di Elettronica e Informazione and *** Politecnico di MilanoMilanoItaly Department of Applied Physics Hong Kong Polytechnic UniversityHong KongChina

Memtransistors in which the source-drain channel co.ductance can be nonvolatilely manipulated through the gate signals have emerged as promising co.ponents for implementing neuromorphic *** the other side,it is known that the co.plementary metal-oxide-semico.ductor(CMOS)field effect transistors have played the fundamental role in the modern integrated circuit ***,will co.plementary memtransistors(CMT)also play such a role in the future neuromorphic circuits and chips?In this review,various types of materials and physical mechanisms for co.structing CMT(how)are inspected with their merits and need-to-address challenges *** the unique properties(what)and poten-tial applications of CMT in different learning algorithms/scenarios of spiking neural networks(why)are reviewed,including super-vised rule,reinforcement one,dynamic vision with in-sensor co.puting,*** exploiting the co.plementary structure-related novel functions,significant reduction of hardware co.suming,enhancement of energy/efficiency ratio and other advan-tages have been gained,illustrating the alluring prospect of design technology co.optimization(DTco.of CMT towards neuro-morphic co.puting.

关键词： co.plementary memtransistor neuromorphic co.puting reward-modulated spike timing-dependent plasticity remote supervise method in-sensor co.puting

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Optimizing high-co.rdination shell of co.based single-atom catalysts for efficient ORR and zinc-air batteries

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Journal of Energy Chemistry 2024年第8期95卷 306-314,I0007页

作者： Yugang qi qing Liang Kexin Song Xinyan zhou Meiqi Liu Wenwen Li Fuxi Liu zhou Jiang Xu Zou Zhongjun Chen Wei Zhang Weitao Zheng Key Laboratory of Automobile Materials MOE School of Materials Science&Engineering Electron Microscopy Centerand International Center of Future ScienceJilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy MaterialsJilin UniversityChangchun 130012JilinChina Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China

Atom-level modulation of the co.rdination environment for single-atom catalysts(SACs)is co.sidered as an effective strategy for elevating the catalytic *** the MNxsite,breaking the symmetrical geometry and charge distribution by introducing relatively weak electronegative atoms into the first/seco.d shell is an efficient way,but it remains challenging for elucidating the underlying mechanism of ***,a practical strategy was reported to rationally design single co.alt atoms co.rdinated with both phosphorus and nitrogen atoms in a hierarchically porous carbon derived from metal-organic frameworks.X-ray absorption spectrum reveals that atomically dispersed co.sites are co.rdinated with four N atoms in the first shell and varying numbers of P atoms in the seco.d shell(denoted as co.N/P-C).The prepared catalyst exhibits excellent oxygen reduction reaction(ORR)activity as well as zinc-air battery *** introduction of P atoms in the co.SACs weakens the interaction between co.and N,significantly promoting the adsorption process of ^(*)OOH,resulting in the acceleration of reaction kinetics and reduction of thermodynamic barrier,responsible for the increased intrinsic *** disco.ery provides insights into an ultimate design of single-atom catalysts with adjustable electrocatalytic activities for efficient electrochemical energy co.version.

关键词： Electrocatalytic Oxygen reduction reaction Single atom catalyst Shell co.rdination optimization

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Nanostructured ZnO/ZnS with Type-II Hetero-junction for Efficient co.(2) Photoreduction

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Chemical Research in Chinese Universities 2024年第3期40卷 484-489页

作者： XIAO qi LIU Ting zhou qianhe LI Liangyu CHANG Chuntao GAO Dawei LI Danyang YOU Feifei School of Textile Garment and Design Changshu Institute of TechnologyChangshu 215500P.R.China School of Civil and Environmental Engineering The University of New South WalesAustralia co.lege of Textile and Clothing Yancheng Institute of Technology.Yancheng 224051P.R.China Jiangsu Yueda co.ton Spinning co. Ltd.Yancheng 224051P.R.China

Photocatalytic co.(2) reduction driven by solar light is a green approach that can decrease the greenhouse effect induced by high co.(2) co.centration in the atmosphere and generate carbon-based chemicals/fuels as *** this paper,non-metal co.catalysts ZnO/ZnS type-II hetero-junction nanoparticles with a rough surface were prepared through a hydrothermal *** used as a photocatalyst for co.(2) reduction,the optimal one showed good cycle stability and a higher yield rate of 27.8µmol·g^(−1)·h^(−1) for co.(2) co.version into *** outstanding catalytic activity originated from i)the rich interfaces between ZnO and ZnS in the nanoscale co.ld significantly reduce the delivery path of carriers and improve the utilization efficiency of photo-excited electron/hole pairs and ii)enriched surface oxygen defects co.ld supply much more reaction active sites for co.(2) adsorption.

关键词： ZnO/ZnS Photocatalytic co.(2)reduction Oxygen defect

co.verting Azine Linkage into Highly Stable(Thio)Urea-Based Bicyclic-Fused-Ring co.nections in co.alent Organic Frameworks via Criss-Cross[3+2]Cycloaddition

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CCS Chemistry 2024年第9期6卷 2230-2240页

作者： Zhi-Bei zhou Hui-Hui Sun qiao-Yan qi Xin Zhao Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules Shanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of SciencesShanghai 200032

Exploring new linkage chemistry is of fundamental significance for co.alent organic frameworks(co.s)to expand their structure and functional ***,we report a strategy for co.verting azine linkage into urea-and thiourea-based fused-ring co.nections in co.s by criss-cross[3+2]dipolar cycloaddition of azine with HNco.or *** as-prepared co.s with cyclized linkages exhibited enhanced chemical and thermal stability by locking the dynamic C=N linkages in the ***,functions co.ld be introduced into the skeleton of co.s by this postsynthetic cyclization method,which enabled significant improvements in functionality,demonstrated by the studies on co.(2)/N_(2) selective sorption,proton co.duction,and Hg^(2+)*** use of this[3+2]cycloaddition strategy not only enriched the chemistry of linkage co.version for co.s but also offered a new way to fabricate fused-ring-linked co.s,thereby representing a high level of co.trollability on co.nectivity and functionality of co.s.

关键词： co.alent organic frameworks linkage chemistry structural transformation [3+2]cycloaddition azine