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Nonlinearity-induced localization enhancement in Fibonacci-like waveguide arrays[Invited]

Chinese Optics Letters 2023年第10期21卷 50-54页

作者：王立成步鸿飞陈阳田振男任希锋 State Key Laboratory of Integrated Optoelectronics College of Electronic Science and Engineeringjilin UniversityChangchun 130012China CAS Key Laboratory of Quantum Information University of Science and Technology of ChinaHefei 230026China CAS Synergetic Innovation Center of Quantum Information Quantum Physics University of Science and Technology of ChinaHefei 230026China Hefei National Laboratory University of Science and Technology of ChinaHefei 230088China

Based on the one-dimensional periodic and Fibonacci-like waveguide arrays,we experimentally investigate localized quantum walks(QWs),both in the linear and nonlinear *** the ballistic transport behavior in conventional random QWs,localization of QWs is obtained in the Fibonacci-like waveguide arrays both theoretically and ***,we verify the enhancement of the localization through nonlinearity-induced *** work provides a valid way to study localization enhancement in QWs,which might broaden the understanding of nonlinearity-induced behaviors in quasiperiodic systems.

关键词： Fibonacci-like waveguide arrays nonlinearity-induced effect localization enhancement

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Monitoring Design of Multi-cache Parallel Acquisition System 3

Monitoring Design of Multi-cache Parallel Acquisition System

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3rd International Conference on Frontiers of Electronics, Information and Computation Technologies, ICFEICT 2023

作者： Zhang, Ying Zhao, Qian Jiang, Chongwu Tao, Yizhu Wang, Shihui Beijing Aerospace Automatic Control Institute National Key Laboratory of Science and Technology on Aerospace Intelligent Beijing100854 China Yuying School Yuying Education Group Beijing100018 China

ISBN: (纸本)9798350302356

This paper uses parallel acquisition technology to complete the monitoring task of the system, and at the same time, the line measurement technology is not only limited to the parallel acquisition of multiple signals, but also includes the use of a platform with parallel computing functions to process the collected data in parallel, which greatly improves the real-time performance and processing efficiency of the data acquisition system. In addition to the parallel acquisition and parallel processing of analog signals, it also realizes the ability to test in parallel for a variety of communication interfaces, which can test a variety of different types of interfaces at the same time, which greatly increases the test ability and improves the test efficiency of the system. © 2023 IEEE.

关键词： Electric power utilization

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黄土地层圆形地铁隧道地震易损性评价

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Journal of Central South University 2024年第3期31卷 950-964页

作者：孙纬宇林峻岑马勤国严松宏佟浩梁庆国 School of Civil Engineering Lanzhou Jiaotong UniversityLanzhou 730070China National and Local Joint Engineering Laboratory for Disaster Prevention and Control Technology of Road and Bridge Engineering Lanzhou 730070China State Key Laboratory of Subtropical Building Science South China University of TechnologyGuangzhou 510641China

黄土隧道抗震多采用确定性分析方法。考虑地震动的随机性,采用拟静力法对黄土地层中的浅埋地铁隧道在横向地震作用下的地震易损性进行分析,施加一维分析计算的位移得到隧道的地震响应,然后通过Python程序输出最大损伤指标。采用相关性... 详细信息

黄土隧道抗震多采用确定性分析方法。考虑地震动的随机性,采用拟静力法对黄土地层中的浅埋地铁隧道在横向地震作用下的地震易损性进行分析,施加一维分析计算的位移得到隧道的地震响应,然后通过Python程序输出最大损伤指标。采用相关性、有效性、实用性和效益性等判定准则遴选出最优地震动强度参数。根据易损性函数,建立了基于地表峰值加速度(PGA)和地表峰值速度(PGV)的易损性曲线以评估隧道的抗震性能。结果表明:不同PGA条件下隧道衬砌的易损部位沿共轭45°方向发生偏转;PGA和PGV是预测隧道在不同损伤状态下损伤概率的合适强度参数;隧道拱顶空洞会增大隧道的地震易损性;处于较软工程场地的隧道更容易遭受地震破坏。

关键词：黄土隧道地震易损性评价抗震性能损伤指标拟静力分析

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Cell division factor ZapE regulates Pseudomonas aeruginosa biofilm formation by impacting the pqs quorum sensing system

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mLife 2023年第1期2卷 28-42页

作者： Xi Liu Minlu Jia Jing Wang Hang Cheng Zhao Cai Zhaoxiao Yu Yang Liu Luyan ZMa Lianhui Zhang Yingdan Zhang Liang Yang State Key Laboratory of Microbial Resources Institute of MicrobiologyChinese Academy of SciencesBeijingChina Key University Laboratory of Metabolism and Health of Guangdong School of MedicineSouthern University of Science and TechnologyShenzhenChina Guangdong Province Key Laboratory of Microbial Signals and Disease Control Integrative Microbiology Research CenterSouth China Agricultural UniversityGuangzhouChina Medical Research Center Southern University of Science and Technology HospitalShenzhenChina Shenzhen Third People's Hospital National Clinical Research Center for Infectious DiseaseThe Second Affiliated Hospital of Southern University of Science and TechnologyShenzhenChina

Pseudomonas aeruginosa is one of the leading nosocomial pathogens that causes both severe acute and chronic *** strong capacity of *** to form biofilms can dramatically increase its antibiotic resistance and lead to treatment *** biofilm resident bacterial cells display distinct gene expression profiles and phenotypes compared to their free-living *** the genetic determinants of biofilm formation is crucial for the development of antibiofilm *** this study,a highthroughput transposon-insertion site sequencing(Tn-seq)approach was employed to identify novel *** biofilm genetic *** analyzing the novel biofilm regulatory genes,we found that the cell division factor ZapE(PA4438)controls the *** pqs quorum sensing *** ΔzapE mutant lost fitness against the wild-type PAO1 strain in biofilms and its production of 2-heptyl-3-hydroxy-4(1H)-quinolone(PQS)had been *** biochemical analysis showed that ZapE interacts with PqsH,which encodes the synthase that converts 2-heptyl-4-quinolone(HHQ)to *** addition,site-directed mutagenesis of the ATPase active site of ZapE(K72A)abolished the positive regulation of ZapE on PQS *** ZapE is highly conserved among the Pseudomonas group,our study suggests that it is a potential drug target for the control of Pseudomonas infections.

关键词： biofilm Pseudomonas aeruginosa Pseudomonas quinolone signal transposon‐insertion site sequencing(Tn‐seq) ZapE

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A Low Power Method for Multi-FPGA Cascade Loading 3

A Low Power Method for Multi-FPGA Cascade Loading

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3rd International Conference on Frontiers of Electronics, Information and Computation Technologies, ICFEICT 2023

作者： Zhang, Ying Zhao, Qian Jiang, Chongwu Wang, Shihui Tao, Yizhu Beijing Aerospace Automatic Control Institute National Key Laboratory of Science and Technology on Aerospace Intelligent Beijing100854 China Yuying Education Group Yuying School Beijing100018 China

ISBN: (纸本)9798350302356

Multi-FPGA with the cascade structure is widely used, which urgently needs the low power loading fuction in the long term working stage. For the same size configuration file, choosing different configuration modes, the configuration circuit design and configuration time could be very different. To analyse the effects for the Multi-FPGA structures, the typical model is researched respectively on master serial (MS), slave serial (SS), slave parallel (SP), active parallel (AP), master parallel (MP), fast SPI, standard SPI and JTAG configuration. And it is demonstrated on the management design of multi-FPGA cascade loading, including factors to be considered, when choosing a configuration mode with overall setup, speed, cost, program upgrade complexity, and applications. Among them, to lower the power, even though the JTAG cascade mode has fast loading speed, the product still needs to be equipped with peripheral devices, such as emulators when upgrading, which is inconvenient to use;the MCU loading mode has slow loading speed, complex overall settings and low cost, and requires a remote computer and network to backup the upgrading;the flash loading mode with fast loading speed, complex overall setting and high cost, supports both remote and local upgrade modes. With all these setting to get the lowest power consumption, the specified type for the MultiFPGA simulation with the cascade structure can only take 2.7 s to load, with the33 MHz clock. © 2023 IEEE.

关键词： Electric power utilization

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Community-Level Practice Checklists for Health Protection During Cold Spells in China

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China CDC weekly 2024年第5期6卷 83-87页

作者： Jing Shang Mengzhen Zhao Zhao Liu Xiya Zhang Shiguang Miao Ishaq D.Sulaymon Wenjia Cai Institute of Urban Meteorology CMABeijingChina School of Management and Economics Beijing Institute of TechnologyBeijingChina School of Airport Economics and Management Beijing Institute of Economics and ManagementBeijingChina Department of Earth System Science Tsinghua UniversityBeijingChina Sand and Dust Storm Warning Regional Center National Center for MeteorologyJeddahSaudi Arabia Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and EngineeringNanjing University of Information Science and TechnologyNanjing CityJiangsu ProvinceChina

Communities play a crucial role in protecting the health of vulnerable populations such as the elderly,low-income groups,and high-risk individuals during cold ***,current strategies for responding to cold spells primarily consist of programmatic policies that lack practicality,specificity,and detailed implementation guidelines for community ***,this study aims to identify and analyze the challenges faced by communities in responding to cold spells,review international experiences,and develop a set of practical checklists for community-level health *** checklists will assist community workers and volunteers in effectively preparing for,responding to,and recovering from cold spells.

关键词： preparing income primarily

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Electric-field control of topological spin textures in BiFe_(O3)/La_(0.67)Sr_(0.33)MnO_(3)heterostructure at room temperature

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Rare Metals 2023年第2期42卷 399-405页

作者： Ai-Ji Wang Liang Yang Jian Ge Gong-Xun Deng Yu-Ben Yang Jing-Di Lu Yue-Lin Zhang Yin-Shu Wang Hai-Ming Yu Ling-Fei Wang Ce-Wen Nan Jin-Xing Zhang Department of Physics Beijing Normal UniversityBeijing100875China Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of ChinaHefei230026China Fert Beijing Institute MIIT Key Laboratory of SpintronicsSchool of Integrated Circuit Science and EngineeringBeihang UniversityBeijing100191China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing100084China

Electric-field control of topological magnetic states in thinfilm heterostructures is promising for applications in nextgeneration memory or logic devices with ultrahigh density and low-power *** materials,where spin and polar degrees of freedom coexist,provide a versatile playground to manipulate magnetism(converse magnetoelectric effect).Here,we report that the topological spin textures can be controlled by electric field in rhombohedral BiFeO_(3)/monoclinic La_(0.67)Sr_(0.33)MnO_(3)thin-film heterostructure at room temperature.

关键词： temperature textures field

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Progress and key challenges in catalytic combustion of lean methane

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Journal of Energy Chemistry 2022年第12期75卷 173-215,I0005页

作者： Xiangbo Feng Lei Jiang Danyang Li Shaopeng Tian Xing Zhu Hua Wang Chi He Kongzhai Li Xi’an Key Laboratory of Advanced Photoelectronics Materials and Energy Conversion Device School of ScienceXijing UniversityXi’an 710123ShaanxiChina State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization Kunming University of Science and TechnologyKunming 650093YunnanChina Faculty of Metallurgical and Energy Engineering Kunming University of Science and TechnologyKunming 650093YunnanChina State Key Laboratory of Multiphase Flow in Power Engineering School of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049ShaanxiChina National Engineering Laboratory for VOCs Pollution Control Material&Technology University of Chinese Academy of SciencesBeijing 101408China

As a primary type of clean energy,methane is also the second most important greenhouse gas after CO_(2)due to the high global warming *** quantities of lean methane(0.1–1.0 vol%)are emitted into the atmosphere without any treatment during coal mine,oil,and natural gas production,thus leading to energy loss and greenhouse *** general,it is challenging to utilize lean methane due to its low concentration and flow instability,while catalytic combustion is a vital pathway to realize an efficient utilization of lean methane owing to the reduced emissions of polluting gases(e.g.,NOxand CO)during the *** particular,to efficiently convert lean methane,it necessitates both the designs of highly active and stable heterogeneous catalysts that accelerate lean methane combustion at low temperatures and smart reactors that enable autothermal operation by optimizing heat *** this review,we discuss the in-depth development,challenges,and prospects of catalytic lean methane combustion technology in various configurations,with particular emphasis on heat management from the point of view of material design combined with reactor *** target is to describe a framework that can correlate the guiding principles among catalyst design,device innovation and system optimization,inspiring the development of groundbreaking combustion technology for the efficient utilization of lean methane.

关键词： Lean methane combustion Catalyst design Heat management Reactor optimization Catalytic mechanism

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Hybridization-mediated quasiparticle and phonon dynamics in single crystal cerium films

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science China(Physics,Mechanics & Astronomy) 2024年第4期67卷 146-153页

作者： Yunhe Pei Yi Wu Kai Hu Zhengxing Wei YiFeng Yang Yang Liu Jingbo Qi State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of ChinaChengdu 611731China Center for Correlated Matter and Department of Physics Zhejiang UniversityHangzhou 310058China Beijing National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Songshan Lake Materials Laboratory Dongguan 523808China Collaborative Innovation Center of Advanced Microstructures Nanjing UniversityNanjing 210093China

We report the ultrafast optical pump-probe spectroscopy measurements on the single-crystal cerium *** experimental results of temperature-dependent quasiparticle dynamics reveal development of the hybridization between localized f moments and conduction electrons,i.e.,evolving from fluctuating hybridization to collective *** phonon renormalization is discovered to appear at the emerging temperature(T^(+))of fluctuating hybridization apart from its known presence at the coherent temperature(T^(*)),and can hardly be explained by the mean-field *** quasiparticle relaxation at high temperatures indicates coexistence of nonthermal electron-electron scattering and inelastic Kondo scattering,while its behavior at low temperatures suggests onset ofαphase in theγ-phase dominated *** also extract the indirect gap below T^(*),representing the appearance of collective *** findings provide novel information about the hybridization and phase evolution in the heavy fermion systems.

关键词： cerium quasiparticle dynamics hybridization phonon renormalization

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Optimization of Fighter Head-up Display Layout Based on Fitness Function

Optimization of Fighter Head-up Display Layout Based on Fitn...

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2022 IEEE International Conference on Industrial Engineering and Engineering Management, IEEM 2022

作者： He, Jiaxin Niu, Yafeng Tian, Xiaoyue Yang, Wenjun Southeast University School of Mechanical Engineering Nanjing China National Key Laboratory of Science and Technology on Aircraft Control Xi'an China

ISBN: (数字)9781665486873

ISBN: (纸本)9781665486873

This study improves the HUD interface layout optimization method which is based on the proposed fitness function. The improved optimization method is more feasible and stable. According to the proposed optimized fitness function and the method, the HUD interface layout in the take-off phase and the cruise phases of the fighter were adjusted. The speed area, latitude area, center area of the HUD interface in take-off phase and the speed area, latitude area, central area, head area in cruise phase were expended in the optimization. The eye movement data of the subjects on the HUD interface before and after optimization were measured by the eye tracker. The eye movement data showed that the subjects' attention distribution on the optimized interface was more uniform, and the subjects could access critical information with less cognitive load. © 2022 IEEE.

关键词： Eye tracking

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