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基于区块链的民航旅客隐私信息保护方案

郑州大学学报（理学版） 2025年第2期57卷 69-77页

作者：李文轩曹卫东中国民航大学计算机科学与技术学院天津300300

目前的民航信息系统必须获取机票和旅客明文信息,才能进行出行验证,存在很高的旅客隐私信息泄露风险。针对此问题,提出一种基于区块链的民航旅客隐私信息保护方案。首先利用网络身份标识和数字证书技术实现区块链账户的实名制注册,确保... 详细信息

目前的民航信息系统必须获取机票和旅客明文信息,才能进行出行验证,存在很高的旅客隐私信息泄露风险。针对此问题,提出一种基于区块链的民航旅客隐私信息保护方案。首先利用网络身份标识和数字证书技术实现区块链账户的实名制注册,确保信息的真实性;其次采用零知识证明和环签名叠加构造安全的信息认证协议,实现旅客隐私信息完全匿名验证,确保真实信息匿名可验证性;进一步对存储在区块链上的敏感信息利用K-匿名技术脱敏,加强信息的安全存储。实验结果和性能分析表明,该方案能够提供安全有效的民航旅客隐私信息保护,且必要的信息验证总耗时满足效率需求。

关键词：民航旅客信息隐私信息保护区块链零知识证明 K-匿名技术

外加磁场对摩擦副材料摩擦磨损及抗腐蚀性能影响的研究进展

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材料导报 2025年第2期39卷 156-174页

作者：周祎伟段海涛李健马利欣李文轩尤锦鸿贾丹湖北隆中实验室湖北襄阳441106 中国机械总院集团武汉材料保护研究所有限公司特种表面保护材料及应用技术国家重点实验室武汉430030

随着测控设备和机械装备所处电磁环境的日益复杂,越来越多的摩擦副材料在磁场环境下工作服役,外加磁场对摩擦副材料摩擦磨损及腐蚀性能的影响对指导涉磁场机械装备的安全、可靠、长寿命运行有着重要意义。本文系统总结了外加磁场对金属... 详细信息

随着测控设备和机械装备所处电磁环境的日益复杂,越来越多的摩擦副材料在磁场环境下工作服役,外加磁场对摩擦副材料摩擦磨损及腐蚀性能的影响对指导涉磁场机械装备的安全、可靠、长寿命运行有着重要意义。本文系统总结了外加磁场对金属和聚合物两种常用摩擦副材料摩擦磨损性能影响的作用机理,梳理并分析了磁场强度、磁场方向和频率等磁场参数对金属和聚合物摩擦副材料摩擦磨损性能的影响形式及程度,归纳了腐蚀过程中外加磁场对摩擦副材料的腐蚀起到促进或抑制作用的本质原因,对比分析了磁场强度、磁场方向等对摩擦副材料的腐蚀速度、极化曲线、腐蚀产物形貌造成不同程度的影响,概述了磁场条件下分子动力学模拟的研究进展,最后提出了现有研究中存在的不足,并对外加磁场条件下,尤其对涉水环境中摩擦副材料磨损和腐蚀交互作用的研究提出了展望。

关键词：磁场环境摩擦磨损性能腐蚀性能磨损和腐蚀交互作用分子动力学模拟

Three-Dimensional Cooperative Localization via Space-Air-Ground Integrated Networks

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China Communications 2022年第1期19卷 253-263页

作者： wenxuan li Yuanpeng liu Xiaoxiang li Yuan Shen Department of Electronic Engineering Tsinghua UniversityBeijing 100084China Beijing National Research Center for Information Science and Technology Tsinghua UniversityBeijing 100084China

The space-air-ground integrated network(SAGIN)combines the superiority of the satellite,aerial,and ground communications,which is envisioned to provide high-precision positioning ability as well as seamless connectivity in the 5G and Beyond 5G(B5G)*** this paper,we propose a three-dimensional SAGIN localization scheme for ground agents utilizing multi-source information from satellites,base stations and unmanned aerial vehicles(UAVs).Based on the designed scheme,we derive the positioning performance bound and establish a distributed maximum likelihood algorithm to jointly estimate the positions and clock offsets of ground *** results demonstrate the validity of the SAGIN localization scheme and reveal the effects of the number of satellites,the number of base stations,the number of UAVs and clock noise on positioning performance.

关键词： space-air-ground integrated network(SAGIN) three-dimensional(3D)localization clock noise multi-source information

Global stability of a SEIR epidemic model with infectious force in latent period and infected period under discontinuous treatment strategy

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International Journal of Biomathematics 2021年第5期14卷 221-238页

作者： Yanjun Zhao Huilai li wenxuan li Yang Wang College of Humanities and Sciences Northeast Normal University Changchun 130117 P.R.China College of Mathematics Jilin University Changchun 130022P.R.China College of Mathematics Jilin Normal University Siping 136000P.R.China

We consider a SEIR epidemic model with infectious force in latent period and infected period under discontinuous *** treatment rate has at most a finite number of jump discontinuities in every compact *** using Lyapunov theory for discontinuous differential equations and other techniques on non-smooth analysis,the basic reproductive number Ro is proved to be a sharp threshold value which completely determines the dynamics of the *** Rolibrium which is globally *** Ro>1,the disease-free equilibrium becomes unstable and there exists an endemic equilibrium which is globally *** discuss that the disease will die out in a finite time which is impossible for the corresponding SEIR model with continuous ***,the numerical simulations indicate that strengthening treatment measure after infective individuals reach some level is beneficial to disease control.

关键词： Latent period infected period discontinuous treatment globally stable global convergence in finite time

乡村振兴战略下我国农村毒品问题治理路径研究

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贵州警察学院学报 2025年第1期37卷 58-65页

作者：李文轩唐浩郭亚宁中国刑事警察学院辽宁沈阳110854

在乡村振兴战略这一党的重大决策部署下,探讨乡村振兴与农村地区毒品问题治理之间的逻辑关系与出发点,阐述农村毒品问题治理工作所包含的具体内容,对当前农村毒品治理工作存在的管控精细化程度不够、重视程度不够、禁毒宣传教育效果不... 详细信息

在乡村振兴战略这一党的重大决策部署下,探讨乡村振兴与农村地区毒品问题治理之间的逻辑关系与出发点,阐述农村毒品问题治理工作所包含的具体内容,对当前农村毒品治理工作存在的管控精细化程度不够、重视程度不够、禁毒宣传教育效果不佳、专业性人才相对匮乏等问题,结合乡村振兴战略的总要求,提出了管控精细化、队伍专业化、帮扶数字化等多元治理路径。

关键词：乡村振兴农村毒品问题治理路径

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Thermodynamic modeling and phase diagram prediction of salt lake brine systemsⅡ.Aqueous li^(+)-Na^(+)-K^(+)-SO_(4)^(2-) and its subsystems

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Chinese Journal of Chemical Engineering 2021年第6期34卷 134-149页

作者： Huan Zhou Peng Wu wenxuan li Xingfan Wang Kuo Zhou Qing Hao College of Chemical Engineering and Materials Science Tianjin Key Laboratory of Brine Resources and Eco-utilizationTianjin University of Science and TechnologyTianjin 300457China College of Marine and Environmental Sciences Tianjin Key Laboratory of Brine Resources and Eco-utilizationTianjin University of Science and TechnologyTianjin 300457China

It is still a challenging task to accurately and temperature-continuously express the thermodynamic properties and phase equilibrium behaviors of the salt-lake brine with multi-component,multitemperature and high *** essential subsystem of sulfate type brine,aqueous li^(+)-Na^(+)-K^(+)-SO_(4)^(2-) and its subsystems across a temperature range from 250 K to 643 K are investigated with the improved comprehensive thermodynamic *** parameters(Δg_(IJ),Δh_(IJ),and ΔC_(p,IJ))associated with the contributions of Gibbs energy,enthalpy,and heat capacity to the binary interaction parameters,*** temperature coefficients of eNRTL parameters formulated with a Gibbs Helmholtz expression,are determined via multi-objective optimization *** solid constantsΔ_(f)G_(k)°^((298.15))andΔ_(f)H_(k)°^((298.15))of11 solid species occurred in the quaternary system are rebuilt from multi-temperature *** modeling results show the accurate representation of(1)solution properties and binary phase diagram at temperature ranges from eutectic points to 643 K;(2)isothermal phase diagrams for li_(2)SO_(4)-Na_(2)SO_(4)-H_(2)O,li_(2)SO_(4)-K_(2)SO_(4)-H_(2)O and Na_(2)SO_(4)-K_(2)SO_(4)-H_(2)O ternary *** predicted results of complete structure and polythermal phase diagram of ternary systems and the isothermal phase diagrams of quaternary system excellently match with the experimental data.

关键词： Aqueous electrolytes Comprehensive thermodynamic model Aqueous li^(+)-Na^(+)-K^(+)-SO_(4)^(2-) Phase diagram Thermodynamic properties

Solid-liquid Phase Equilibria in the Process of Producing lithium Hydroxide from lithium Sulfate

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Chemical Research in Chinese Universities 2019年第6期35卷 1018-1023页

作者： GUO Jian WU Peng li Yaoyao ZHANG Min li wenxuan ZHOU Huan College of Marine and Environmental Sciences Tianjin University of Science and TechnologyTianjin 300457P.R.China College of Chemical Engineering and Materials Science Tianjin Key Laboratory of Marine Resources and ChemistryTianjin University of Science and TechnologyTianjin 300457P.R.China

The solid-liquid phase equilibria in the process of producing lithium hydroxide from lithium sulfate at 283.15,298.15 and 323.15 K were studied via the isothermal solubility equilibrium method,and the solid species,phase diagrams,solution densities and pH were *** results show that four solid species of Na2SO4·10H2O,Na2SO4·2.5H2O,Na2SO4 and liOH·H2O occurred in the system,among them,Na2SO4·2.5H2O was a new solid species not reported in the open literature,which was determined via chemical analysis,Karl Fischer water titration,X-ray diffraction(XRD),thermogravimetic analysis(TG)and differential scanning calorimetry(DSC)*** on the SLE data,one systemic process to produce liOH·H2O from li2SO4·H2O was proposed including two crystallization steps at lower and higher temperatures.

关键词： Solid-liquid equilibrium Phase diagram lithium hydroxide lithium sulfate Sodium sulfate

literature review of driving fatigue research based on bibliometric analysis

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第6期11卷 1401-1419页

作者： Fengxiang Guo Yiwen Zhou Xiaoan Wang wenxuan li Jing Cai Faculty of Transportation Engineering Kunming University of Science and Technology Yunnan Transportation Science Research Institute Co. Ltd. School of Global Urban and Social StudiesRMIT University

Driving for a long time can lead to fatigue, which can affect information processing and decision-making, potentially threatening driving safety. By exploring the generation and variation patterns of driving fatigue and clarifying the application status of its detection and warning technology, traffic safety can be improved. In order to understand the research progress of driving fatigue, based on the Web of Science core database, this paper obtained 2127 English literature published from 1998 to 2023(as of May 12, 2023), covering a total of 5963 authors and 6019 keywords, and the bibliometric tool VOSviewer and R-Bibliometrix are used to analyze the literatures. Firstly, the literature statistical analysis is carried out from annual distribution, country distribution, source journals, and core authors. Secondly, the research hotspots and trends are analyzed from keywords co-occurrence, high-impact literature, theme evolution, and development trends. Finally, the development trend of driving fatigue research is discussed. The result shows that the hotspots in the field of driving fatigue include driving fatigue detection, fatigue driving risk and fatigue research of professional drivers, driver alertness and coping strategies for driver fatigue, and driver fatigue under automatic driving. And the improvement of the accuracy and reliability of driving fatigue detection will be the difficult point to break through in the future. It is necessary to build a multi-disciplinary and meticulously quantified driving fatigue and its risk assessment system, and strengthen the control of fatigue risks. Research on intervention measures and education training for professional drivers needs to be deepened, while exploring the acceptance and compliance of intervention measures. Moreover, the evolution law and prevention strategies of driver fatigue under automatic conditions should be the focus of future research.

关键词： Traffic safety Driving behavior Driving fatigue Bibliometric analysis

Effects of V Addition on Microstructural Evolution and Mechanical Properties of AlCrFe_(2)Ni_(2) High‑Entropy Alloys

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Acta Metallurgica Sinica(English Letters) 2023年第3期36卷 391-404页

作者： Shougang Duan Qian Zhang wenxuan li Yong Dong Beibei Jiang Shichao liu Chuanqiang li Zhengrong Zhang School of Materials and Energy Guangdong University of TechnologyGuangzhou 510006China GDUT Analysis and Test Center Guangdong University of TechnologyGuangzhou 510006China School of Tron and Steel Soochow UniversitySuzhou 215021China

The effects of vanadium addition on the microstructural evolution and mechanical properties of AlCrFe_(2)Ni_(2) high-entropy alloy(HEA)were *** results showed that the AlCrFe_(2)Ni_(2)V_(0.2) HEA was composed of FCC phase,disordered BCC phase,and ordered BCC(B2)*** the increase in vanadium content,the formation of FCC phase was inhibited,and a transition from FCC phase to BCC phase *** FCC phase disappeared completely when the value of x exceeds 0.4 in AlCrFe_(2)Ni_(2)V_(x) ***,the amplitude-modulated microstructure morphology transformed from a B2 phase matrix with dispersed BCC nano-phase into an alternating interconnected B2 and BCC *** element has the function of stabilizing BCC phase and B2 phase in AlCrFe_(2)Ni_(2)V_(x) *** hardness of AlCrFe_(2)Ni_(2)V_(x) alloys increased from HV 332.4 to HV 590.7,while the yield strength increased from 765 to 1744.6 MPa with increasing vanadium content,which was mainly due to the decreasing content of FCC phase and the solid solution strengthening of vanadium *** the same time,the compression ratio of the alloys decreased with the disappearance of the FCC *** the alloys,the AlCrFe_(2)Ni_(2)V_(0.2) alloy possessed the most excellent comprehensive mechanical properties with yield strength,fracture strength,and compressive ratio 1231.1,2861.9 MPa,and 44.5%,respectively.

关键词： High-entropy alloys Microstructure Phase transformation Mechanical properties Solid solution strengthening