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Flexible planar micro supercapacitor diode

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Journal of Energy Chemistry 2024年第6期93卷 429-435,I0011页

作者： Yihui Ma Pei Tang Zhenyuan Miao Wuyang Tan Qijun Wang Yuecong chen Guosheng Li Qingyun Dou Xingbin Yan Lingling Shui Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and DevicesSchool of Information and Optoelectronic Science and Engineering&South China Academy of Advanced OptoelectronicsGuangzhou 510006GuangdongChina Department of Materials Science and Engineering Sun Yat-Sen UniversityGuangzhou 510275GuangdongChina College of Materials Science and Engineering Guilin University of TechnologyGuilin 541004GuangxiChina

Supercapacitor diode is a novel ion device that performs both supercapacitor energy storage and ion diode rectification ***,previously reported devices are limited by their large size and complex *** this work,we demonstrate a screen-printed micro supercapacitor diode(MCAPode)that based on the insertion of a finger mode with spinel ZnCo_(2)O_(4) as cathode and activated carbon as anode for the first time,and featuring an excellent area specific capacitance(1.21 mF cm^(-2)at 10 mV s^(-1))and high rectification characteristics(rectification ratioⅠof 11.99 at 40 mV s^(-1)).Taking advantage of the ionic gel electrolyte,which provides excellent stability during repeated flexing and at high *** addition,MCAPode exhibits excellent electrochemical performance and rectification capability in"AND"and"OR"logic *** findings provide practical solutions for future expansion of micro supercapacitor diode applications.

关键词： Micro devices Supercapacitor diodes Screen-printing Rectification Logic gates

Dynamic failure process of expanded polystyrene particle lightweight soil under cyclic loading using discrete element method

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Earthquake Engineering and Engineering Vibration 2024年第4期23卷 815-828页

作者： Zhou Wei Hou Tianshun chen Ye Wang Qi Luo Yasheng Zhang Yafei College of Water Resources and Architectural Engineering Northwest A&F UniversityXianyang 712100China Xi’an Key Laboratory of Geotechnical and Underground Engineering Xi’an University of Science and TechnologyXi’an 710054China Hanjiang to Weihe River Valley Water Diversion Project Construction Co. Ltd.Xi’an 710011China

Expanded polystyrene(EPS)particle-based lightweight soil,which is a type of lightweight filler,is mainly used in road *** stability of subgrades under dynamic loading is attracting increased research *** traditional method for studying the dynamic strength characteristics of soils is dynamic triaxial testing,and the discrete element simulation of lightweight soils under cyclic load has rarely been *** study the meso-mechanisms of the dynamic failure processes of EPS particle lightweight soils,a discrete element numerical model is established using the particle flow code(PFC)*** contact force,displacement field,and velocity field of lightweight soil under different cumulative compressive strains are *** results show that the hysteresis curves of lightweight soil present characteristics of strain accumulation,which reflect the cyclic effects of the dynamic *** the confining pressure increases,the contact force of the particles also *** confining pressure can restrain the motion of the particle system and increase the dynamic strength of the *** the confining pressure is held constant,an increase in compressive strain causes minimal change in the contact force between soil ***,the contact force between the EPS particles decreases,and their displacement direction points vertically toward the center of the *** an increase in compressive strain,the velocity direction of the particle system changes from a random distribution and points vertically toward the center of the *** the compressive strain is 5%,the number of particles deflected in the particle velocity direction increases significantly,and the cumulative rate of deformation in the lightweight soil ***,it is feasible to use 5%compressive strain as the dynamic strength standard for lightweight *** element methods provide a new approach toward the dynamic performance evaluation of lightw

关键词： lightweight soil cyclic loading dynamic triaxial test discrete element method hysteresis curve

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根植中国传统文化培育世界友谊之花

教育国际交流

教育国际交流 2024年第4期 75-78页

作者：陈红简丽北京市第五十五中学党委北京市第五十五中学

北京市第五十五中学是北京市示范高中,1975年因国家外交事业需要,被外交部和北京市政府指定为对外开放学校。1989年北京市第五十五中学成立国际学生部,1994年与国际文凭组织(IBO)合作开设国际文凭课程(IB课程),成为中国内地最早一批践... 详细信息

北京市第五十五中学是北京市示范高中,1975年因国家外交事业需要,被外交部和北京市政府指定为对外开放学校。1989年北京市第五十五中学成立国际学生部,1994年与国际文凭组织(IBO)合作开设国际文凭课程(IB课程),成为中国内地最早一批践行国际文凭教育理念的学校,并逐步发展成为亚太地区国际文凭组织的合作旗舰校,先后有来自100多个国家和地区的近5000名国际学生就读。

关键词：示范高中中国传统文化国际文凭组织教育理念国际文凭课程外交事业亚太地区

Strong electron correlation-induced Mott-insulating electrides of Ae_(5)X_(3)(Ae=Ca,Sr,and Ba;X=As and Sb)

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Matter and Radiation at Extremes 2024年第3期9卷 74-82页

作者： Ya Xu Lu Zheng Yunkun Zhang Zhuangfei Zhang QianQian Wang Yuewen Zhang Liangchao chen Chao Fang Biao Wan Huiyang Gou Key Laboratory of Material Physics of Ministry of Education School of Physics and Laboratory of Zhongyuan LightZhengzhou UniversityZhengzhou 450052China School of Mechanical and Equipment Engineering Hebei University of EngineeringHandan 056038China Center for High Pressure Science and Technology Advanced Research Beijing 100094China

The presence of interstitial electrons in electrides endows them with interesting attributes,such as low work function,high carrier concentration,and unique magnetic *** knowledge and understanding of electrides are thus of both scientific and technological ***,we employ first-principles calculations to investigate Mott-insulating Ae_(5)X_(3)(Ae=Ca,Sr,and Ba;X=As and Sb)electrides with Mn_(5)Si_(3)-type structure,in which half-filled interstitial electrons serve as ions and are *** Mott-insulating property is induced by strong electron correlation between the nearest interstitial electrons,resulting in spin splitting and a separation between occupied and unoccupied *** half-filled antiferromagnetic configuration and localization of the interstitial electrons are critical for the Mott-insulating properties of these *** with that in intermetallic electrides,the orbital hybridization between the half-filled interstitial electrons and the surrounding atoms is weak,leading to highly localized magnetic centers and pronounced correlation ***,the Mott-insulating electrides Ae_(5)X_(3)have very large indirect bandgaps(0.30 eV).In addition,high pressure is found to strengthen the strong correlation effects and enlarge the *** present results provide a deeper understanding of the formation mechanism of Mott-insulating electrides and provide guidance for the search for new strongly correlated electrides.

关键词： intermetallic filled occupied

A Hybrid Parallel Strategy for Isogeometric Topology Optimization via CPU/GPU Heterogeneous Computing

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Computer Modeling in Engineering & Sciences 2024年第2期138卷 1103-1137页

作者： Zhaohui Xia Baichuan Gao chen Yu Haotian Han Haobo Zhang Shuting Wang The State Key Lab of Digital Manufacturing Equipment and Technology Huazhong University of Science and TechnologyWuhan430074China School of Mathematics and Computer Science Wuhan Polytechnic UniversityWuhan430048China School of Mechanical Science and Engineering Huazhong University of Science and TechnologyWuhan430074China

This paper aims to solve large-scale and complex isogeometric topology optimization problems that consumesignificant computational resources. A novel isogeometric topology optimization method with a hybrid parallelstrategy of CPU/GPU is proposed, while the hybrid parallel strategies for stiffness matrix assembly, equationsolving, sensitivity analysis, and design variable update are discussed in detail. To ensure the high efficiency ofCPU/GPU computing, a workload balancing strategy is presented for optimally distributing the workload betweenCPU and GPU. To illustrate the advantages of the proposedmethod, three benchmark examples are tested to verifythe hybrid parallel strategy in this paper. The results show that the efficiency of the hybrid method is faster thanserial CPU and parallel GPU, while the speedups can be up to two orders of magnitude.

关键词： Topology optimization high-efficiency isogeometric analysis CPU/GPU parallel computing hybrid OpenMPCUDA

Stimulation and imaging of neural cells via photonic nanojets

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Photonics Research 2024年第8期12卷 1604-1609页

作者： HENG LI XIXI chen TIANLI WU ZHIYONG GONG JINGHUI GUO XIAOSONG BAI JIAWEI LI YAO ZHANG YUCHAO LI BAOJUN LI Guangdong Provincial Key Laboratory of Nanophotonic Manipulation Institute of NanophotonicsCollege of Physics&Optoelectronic EngineeringJinan UniversityGuangzhou 511443China School of Medicine The Chinese University of Hong KongShenzhen 518172China InnerMedical Co. Ltd.Shenzhen 518055China

Various neuromodulation techniques have been developed to modulate the peak activity of neurons,thereby regulating brain function and alleviating neurological ***,neuronal stimulation and imaging have significantly contributed to the understanding and treatment of these ***,we propose utilizing photonic nanojets for optical stimulation and imaging of neural *** application of resin microspheres as microlenses enhances fluorescence imaging of neural lysosomes,mitochondria,and actin filaments by generating photonic ***,optical tweezers can precisely manipulate the microlenses to locate specific targets within the cell for real-time stimulation and *** focusing capabilities of these microlenses enable subcellular-level spatial precision in stimulation,allowing highly accurate targeting of neural cells while minimizing off-target ***,fluorescent signals during neural cell stimulation can be detected in real-time using these *** proposed method facilitates investigation into intercellular signal transmission among neural cells,providing new insights into the underlying mechanisms of neuronal cell activities at a subcellular level.

关键词： stimulation neural utilizing

基于大数据技术的乡村农业产业经济发展结构优化研究

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智能物联技术 2024年第4期56卷 48-51页

作者：陈红文艾昌吉职业技术学院新疆昌吉831100 新疆盯云智能科技有限公司新疆昌吉831100

随着信息技术的迅速发展,大数据技术已成为推动各行各业创新的重要力量。在乡村农业产业中,大数据技术的引入不仅能优化资源配置,提高农业生产效率,还能精准预测市场需求,有效管理供应链,及时应对各类风险。文章分析了基于大数据技术的... 详细信息

随着信息技术的迅速发展,大数据技术已成为推动各行各业创新的重要力量。在乡村农业产业中,大数据技术的引入不仅能优化资源配置,提高农业生产效率,还能精准预测市场需求,有效管理供应链,及时应对各类风险。文章分析了基于大数据技术的乡村农业产业经济发展结构优化,详细讨论了精准农业的实施、资源配置优化、市场需求预测与供应链管理、风险管理与应对策略以及技术普及和教育培训等策略,展示了这些策略如何助力农业经济结构的有效优化。

关键词：大数据技术乡村农业经济结构

氟离子选择电极法测定铜精矿中氟含量的不确定度评定

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湖南有色金属 2024年第4期40卷 115-118页

作者：刘粤陈红江西铜信检验检测有限公司江西贵溪335424

根据《化学试剂标准滴定溶液的制备》(GB/T 601—2002)中对国标法化学分析测量的不确定度的要求,对氟离子计测定铜精矿中氟的各个不确定度分量进行了详细评定。主要从天平称取试样时所用万分之一天平所带入的不确定度分量、100 mL的容... 详细信息

根据《化学试剂标准滴定溶液的制备》(GB/T 601—2002)中对国标法化学分析测量的不确定度的要求,对氟离子计测定铜精矿中氟的各个不确定度分量进行了详细评定。主要从天平称取试样时所用万分之一天平所带入的不确定度分量、100 mL的容量瓶定容以及环境温度所引入的不确定度分量、氟离子工作曲线的拟合所引入的不确定度分量以及样品的均匀性所引入的不确定度分量等等,依次排列出贡献值的大小。

关键词：氟离子选择电极不确定度分量半区间半合成不确定度

Aggressive fluid management may be associated with disease progression in suspected sepsis patients admitted to the intensive care unit: a retrospective cohort study

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World Journal of Emergency Medicine 2024年第1期15卷 52-55页

作者： Miao Bian Zhihao Wang Yanling chen Yue Sun hongsen Ji Yutao Wang Li Pang Department of Respiratory Qianwei Hospital of Jilin ProvinceChangchun 130012China Department of Geriatrics Jilin Provincial Geriatric Medicine Clinical Research Centerthe First Hospital of Jilin UniversityChangchun 130021China Department of Emergency the First Hospital of Jilin UniversityChangchun 130021China The First Operating Room the First Hospital of Jilin UniversityChangchun 130021China

Sepsis is a lethal condition characterized by multiple organ dysfunction due to disrupted host responses to severe infections.[1]Aff ected patients often have a Sequential Organ Failure Assessment(SOFA)score≥2.[2]Patients with a SOFA scoretudies on fluid resuscitation in sepsis patients,there are few studies on fluid management in patients with suspected ***,we conducted a retrospective cohort study to evaluate the relationship between fluid management and disease progression in suspected sepsis patients.

关键词： patients sepsis admitted