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Effective Identity Authentication Based on Multiattribute Centers for Secure government Data Sharing

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Tsinghua Science and Technology 2024年第3期29卷 736-752页

作者： Meiquan Wang junhua Wu Tongdui Zhang Junhao Wu guangshun Li School of Computer Science Qufu Normal UniversityRizhao 276800China Science and Technology Innovation Service Institution of Rizhao Rizhao 276800China

As one of the essential steps to secure government data sharing,Identity Authentication(IA)plays a vital role in the processing of large ***,the centralized IA scheme based on a trusted third party presents problems of information leakage and single point of failure,and those related to key ***,herein,an effective IA model based on multiattribute centers is ***,a private key of each attribute of a data requester is generated by the attribute authorization *** obtaining the private key of attribute,the data requester generates a personal private ***,a dynamic key generation algorithm is proposed,which combines blockchain and smart contracts to periodically update the key of a data requester to prevent theft by external attackers,ensure the traceability of IA,and reduce the risk of privacy ***,the combination of blockchain and interplanetary file systems is used to store attribute field information of the data requester to further reduce the cost of blockchain information storage and improve the effectiveness of information *** results show that the proposed model ensures the privacy and security of identity information and outperforms similar authentication models in terms of computational and communication costs.

关键词： blockchain identity authentication distribution dynamic key generation

Lamellar water induced quantized interlayer spacing of nanochannels walls

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green Energy & Environment 2024年第2期9卷 356-365页

作者： Yue Zhang Chenlu Wang Chunlei Wang Yingyan Zhang junhua Zhao Ning Wei Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology Jiangnan UniversityWuxi214122China Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas Ministry of EducationNorthwest A&F UniversityYangling712100China Zhangjiang Lab Interdisplinary Research CenterShanghai Advanced Research InstituteChinese Academy of SciencesShanghai201210China Key Laboratory of Interfacial Physics and Technology Shanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai201800China Mechanical&Automotive Engineering School of EngineeringRMIT UniversityBundooraMelbourneVICVIC 3083Australia

The nanoscale confinement is of great important for the industrial applications of molecular sieve,desalination,and also essential in bio-logical transport *** efforts have been devoted to the influence of restricted spaces on the properties of confined ***,the situation of channel-wall is crucial but attracts less attention and remains *** fundamentally understand the mechanism of channel-walls in nanoconfinement,we investigated the interaction between the counter-force of the liquid and interlamellar spacing of nanochannel walls by considering the effect of both spatial confinement and surface *** results reveal that the nanochannel stables at only a few discrete spacing states when its confinement is within 1.4 *** quantized interlayer spacing is attributed to water molecules becoming laminated structures,and the stable states are corresponding to the monolayer,bilayer and trilayer water configurations,*** results can potentially help to understand the characterized interlayers spacing of graphene oxide membrane in *** findings are hold great promise in design of ion filtration membrane and artificial water/ion channels.

关键词： Nanoconfinement Quantized spacing Lamellar water layer MD simulations Entropy force

Discourse analysis of knowledge-based live streaming:a case study of East Buy streamer Dong Yuhui

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Language and Semiotic Studies 2024年第2期10卷 222-244页

作者： Yehui Song junhua Mo Korean Department Soochow UniversitySuzhou215006China English Department Soochow UniversitySuzhouChina

Live streaming e-commerce is not only an important part of China’s digital economy but also the preferred way of purchase for many Chinese,especially the *** 2022,a new model initiated by East Buy has emerged,quickly becoming known as knowledge-based live *** most famous streamer from this novel type of live streaming is Dong Yuhui,a former English teacher of the New Oriental *** a top Internet influencer with millions of followers,Dong Yuhui has become a conspicuous social sign of the rising China that is undergoing fast technological,economic,and cultural *** study thus takes Dong Yuhui as an example to examine the typical discourses of the knowledge-based live *** a triangulation of case study,discourse analysis,and sentiment analysis,it finds that Dong Yuhui mainly employs the strategies of disseminating encyclopedic knowledge,telling intriguing stories,and using poetic language in his live streaming *** unique discourse has the main function of fulfilling customers’intellectual,emotional,and psychological *** such,it is warmly received by customers,whose comments are centered on the talents of the streamer rather than the attributes of the commodity.

关键词： knowledge-based live streaming Dong Yuhui typical discourses major strategies main functions customer comments

Accelerating the Screening of Modified MA_(2)Z_(4)Catalysts for Hydrogen Evolution Reaction by Deep Learning-Based Local geometric Analysis

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Energy & Environmental Materials 2024年第6期7卷 290-302页

作者： Jingnan Zheng Shibin Wang Shengwei Deng Zihao yao junhua Hu Jianguo Wang Institute of Industrial Catalysis State Key Laboratory Breeding Base of Green-Chemical Synthesis TechnologyCollege of Chemical EngineeringZhejiang University of TechnologyHangzhou 310032China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China School of Materials Science and Engineering State Center for International Cooperation on Designer Low-Carbon&Environmental Materials(CDLCEM)Zhengzhou UniversityZhengzhou 450001China

Machine learning(ML)integrated with density functional theory(DFT)calculations have recently been used to accelerate the design and discovery of single-atom catalysts(SACs)by establishing deep structure–activity *** traditional ML models are always difficult to identify the structural differences among the single-atom systems with different modification methods,leading to the limitation of the potential application *** to the structural properties of several typical two-dimensional MA_(2)Z_(4)-based single-atom systems(bare MA_(2)Z_(4)and metal single-atom doped/supported MA_(2)Z_(4)),an improved crystal graph convolutional neural network(CgCNN)classification model was employed,instead of the traditional machine learning regression model,to address the challenge of incompatibility in the studied *** CgCNN model was optimized using crystal graph representation in which the geometric configuration was divided into active layer,surface layer,and bulk layer(ASB-gCNN).Through ML and DFT calculations,five potential single-atom hydrogen evolution reaction(HER)catalysts were screened from chemical space of 600 MA_(2)Z_(4)-based materials,especially V_(1)/HfSn_(2)N_(4)(S)with high stability and activity(Δ_(gH*)is 0.06 eV).Further projected density of states(pDOS)analysis in combination with the wave function analysis of the SAC-H bond revealed that the SAC-dz^(2)orbital coincided with the H-s orbital around the energy level of−2.50 eV,and orbital analysis confirmed the formation ofσ*** study provides an efficient multistep screening design framework of metal single-atom catalyst for HER systems with similar two-dimensional supports but different geometric configurations.

关键词： graph convolutional neural network hydrogen evolution reaction modified MA_(2)Z_(4)substrate single atom catalyst

Hybrid 3D printed three-axis force sensor aided by machine learning decoupling

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International Journal of Smart and Nano Materials 2024年第2期15卷 261-278页

作者： guotao Liu Peishi Yu Yin Tao Tao Liu Hezun Liu junhua Zhao Jiangnan Key Laboratory of Advanced Food Manufacturing Equipment and Technology School of Mechanical EngineeringJiangnan UniversityWuxiPR China Jiangsu Province Engineering Research Center of Micro-Nano Additive and Subtractive Manufacturing Institute of Advanced TechnologyJiangnan UniversityWuxiPR China

Identification of magnitude and orientation for spatially applied loading is highly desired in the fields of not only the machinery components but also human-machine *** the fact that the 3-axis force sensor with different structures has been proposed to measure the spatial force,there are still some common limitations including the multi-step manufacturing-assembly processes and complicated testing of decoupling ***,we propose a rapid fabrication strategy with low-cost to achieve high-precision 3-axis force *** sensor is designed to compose of structural Maltese cross base and sensing *** is directly fabricated within one step by a hybrid 3D printing technology combining deposition modeling(FDM)with direct-ink-writing(DIW).In particular,a machine learning(ML)model is used to convert the strain signal to the force *** of a mount of calibration tests,this ML model is trained by sufficient simulation data based on programmed batch finite element *** sensor is capable of continuously identifying a spatial force with varying magnitude and orientation,which successfully quantify the applied force of traditional Chinese medicine physiotherapy including gua Sha and *** work provides insight for design and rapid fabrication of multi-axis force sensors,as well as potential applications.

关键词： Hybrid 3D printing 3-axis force sensor machine learning nonlinear decoupling

Trophic niche and adaptation in highland lizards:sex has greater influences than species matching

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Integrative Zoology 2024年第3期19卷 564-576页

作者： Shengnan yaNg Jiapeng QU Ke TANg Xinquan ZHAO Huakun ZHOU junhua HU Chengdu Institute of Biology Chinese Academy of SciencesChengduChina Qinghai Provincial Key Laboratory of Restoration Ecology for Cold Region Northwest lnstitute of Plateau BiologyChinese Academy of SciencesXiningChina University of Chinese Academy of Sciences BeijingChina Qinghai University XiningChina

The plateau environments are typically arid,cool,and high altitude,posing formidable challenges to wildlife survival due to resource scarcity and harsh *** ecological adaptability in severe conditions requires a deeper understanding of the niche characteristics of plateau *** niche,which is a comprehensive indicator describing the energy acquisition strategy of animals,remains relatively understudied in plateau ***,by combining stable isotopes and morphological data,we quantified the trophic niches of two allopatric lizard species(Phrynocephalus vlangalii and ***)that live in the hinterland of the Qinghai–Tibetan Plateau,and explored how their trophic niches correlate with morphological and environmental *** both trophic niche and morphological traits were similar between species,noteworthy distinctions were observed between male and female Phrynocephalus *** morphological traits associated with predation(*** length and head size)and reproduction(*** length),annual mean temperature,and sex played influential roles in shifting trophic *** results imply that sexual dimorphism may facilitate inter-sex divergence in resource utilization,leading to trophic niche variations in the highland ***,extreme environmental stress can constrain interspecific divergence in morphological and trophic *** findings illustrate the dynamic variations of trophic niches in highland lizards,contributing to a more comprehensive understanding of the adaptation strategies employed by lizard species in plateau environments.

关键词： environmental adaptation Phrynocephalus Qinghai-Tibetan Plateau sexual dimorphism stable isotope

Dual polarization strategy to enhance CH_(4) uptake in covalent organic frameworks for coal-bed methane purification

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Chinese Chemical Letters 2024年第8期35卷 545-548页

作者： junhua Wang Xin Lian Xichuan Cao Qiao Zhao Baiyan Li Xian-He Bu School of Materials Science and Physics China University of Mining and TechnologyXuzhou 221116China School of Chemical Engineering and Technology China University of Mining and TechnologyXuzhou 221116China School of Materials Science and Engineering National Institute for Advanced MaterialsTKL of Metal and Molecule-Based Material ChemistryNankai UniversityTianjin 300350China

The purification of low-grade coal-bed methane is extremely important,but challenging,due to the very similar physical properties of CH_(4)and ***,we proposed a dual polarization strategy by employing triazine and polyfluoride sites to construct polar pores in COF materials,achieving the efficient separa-tion of CH_(4)from *** expected,the dual polarized F-CTF-1 and F-CTF-2 exhibit higher CH_(4)adsorption capacity and CH_(4)/N_(2)selectivity than CTF-1 and CTF-2,***,the CH4 uptake capacity and CH_(4)/N_(2)selectivity of F-CTF-2 is 1.76 and 1.42 times than that of *** work not only developed promising COF materials for CH4/N_(2)separation,but also provided important guidance for the separation of other adsorbates with similar properties.

关键词： Dual polarization strategy Covalent organic frameworks(COFs) Coal-bed methane purification Chemical/thermal stability Cycling stability

The role of strain in oxygen evolution reaction

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Journal of Energy Chemistry 2024年第6期93卷 322-344,I0009页

作者： Zihang Feng Chuanlin Dai Zhe Zhang Xuefei Lei Wenning Mu Rui guo Xuanwen Liu junhua You School of Materials Science and Engineering Northeastern UniversityShenyang 110819LiaoningChina School of Materials Science and Technology Shenyang University of TechnologyShenyang 110870LiaoningChina

The oxygen evolution reaction(OER)is a crucial step in metal-air batteries and water splitting technologies,playing a significant role in the efficiency and achievable heights of these two ***,the OER is a four-step,four-electron reaction,and its slow kinetics result in high overpotentials,posing a *** address this issue,numerous strategies involving modified catalysts have been proposed and proven to be highly *** these strategies,the introduction of strain has been widely reported because it is generally believed to effectively regulate the electronic structure of metal sites and alter the adsorption energy of catalyst surfaces with reaction ***,strain has many other effects that are not well known,making it an important yet unexplored *** on this,this review provides a detailed introduction to the various roles of strain in *** better explain these roles,the review also presents the definition of strain and elucidates the potential mechanisms of strain in OER based on the d-band center theory and adsorption volcano ***,the review showcases various ways of introducing strain in OER through examples reported in the latest literature,aiming to provide a comprehensive perspective for the development of strain ***,the review analyzes the appropriate proportion of strain introduction,compares compressive and tensile strain,and examines the impact of strain on *** the review offers prospects for future research directions in this emerging field.

关键词： Oxygen evolution reaction Strain generation Tensile strain Compressive strain Strain mechanism Strain effects

Theoretical and experimental design in the study of sulfide-based solid-state battery and interfaces

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Chinese Chemical Letters 2024年第2期35卷 242-251页

作者： Hongjie Xu Yujie Su Chenggong Zheng Yuchen Wang Yuping Tong Zhongzheng yang junhua Hu School of Materials Science and Engineering North China University of Water Resources and Electric PowerZhengzhou 450046China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China Henan Titanium Based Advanced Materials Industrial Research Institute Jiaozuo 454191China

In recent years,due to the increasing demand for portable electronic devices,rechargeable solid-state battery technology has developed ***-ion batteries are the systems of choice,offering high energy density,flexible and lightweight design,and longer lifespan than comparable battery ***,a better understanding of the relationship between electrochemical mechanism and structural properties from theory and experiment will enable us to accelerate the development of high-performance and security *** review discusses the interplay between theoretical calculation and experiment in the study of lithium ion battery *** introduce the application of theoretical calculation method in solid-state batteries through the combination of theory and *** present the concept and assembly technology of solid-state batteries are *** basic parameters of solid-state electrolytes,especially sulfide-based solid-state electrolytes and their interface mechanisms with high-voltage cathode materials,are analyzed by theoretical *** present an overview on the scientific challenges,fundamental mechanisms,and design strategies for solid-state batteries,especially focusing on the issues of stability on solid-state electrolytes and the associated interfaces with both cathode and *** to the theoretical models,we can not only reveal the unprecedented mechanism from the atomic scale,but also analyze the interface problems in the battery thoroughly,thus effectively designing more promising electrolyte and interface coating *** blazed a new trial for engineering an interphase with improved interfacial compatibility for a long-term cyclability.

关键词： Theoretical simulation Sulfide-based electrolytes All solid-state battery Cathode-electrolyte interface Interface compatibility