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Intelligent Small Sample Defect Detection of Concrete Surface Using Novel Deep Learning Integrating Improved YOLOv5

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IEEE/CAA Journal of Automatica Sinica 2024年第2期11卷 545-547页

作者： Yongming Han Lei wang youqing wang Zhiqiang Geng IEEE College of Information Science and Technology Beijing University of Chemical TechnologyBeijing 100029 Engineering Research Center of Intelligent PSE Ministry of Education in ChinaBeijing 100029China

Dear Editor,This letter presents an intelligent small sample defect detection of concrete surface using novel deep learning integrating the improved YOLOv5 based on the Wasserstein GAN(WGAN)enhancement *** proposed method is capable of producing top-notch data sets to address the issues of insufficient samples and substandard quality.

关键词： concrete integrating algorithm

A mixed Nash equilibrium solution for visibility-based pursuit-evasion game with multiple obstacles

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Science China(Information Sciences) 2024年第09期67卷 330-332页

作者： Shaoming BU Li LIANG youqing wang College of Information Science and Technology Beijing University of Chemical Technology

This study primarily investigates a visibility-based pursuitevasion game with multiple obstacles. The pursuer aims to maintain surveillance over the evader as long as possible, while the evader's objective is to escape the pursuer's surveillance as quickly as possible. We use the explicit strategy method to analyze the winning conditions and optimal strategy of the player in the case of corner obstacles and propose a 'Present-Future-Past'(PFP) loop structure to extend the strategy to the case of multiple obstacles.

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Enhanced visible-light photocatalytic hydrogen evolution using two-dimensional carbon nitride sheets with the removal of amine groups

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Chinese Chemical Letters 2024年第2期35卷 446-450页

作者： Yu Zhang Liting Wu Shaopeng wang Dingyi Yang Huan Liang Yizhang Wu Jian Hao youqing wang Jianke Liu Yong wang Department of Physics Shaanxi University of Science and TechnologyXi'an 710021China School of Advanced Materials and Nanotechnology Academy of Advanced Interdisciplinary ResearchXidian UniversityXi'an 710126China The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology Xidian UniversityXi'an 710126China Collaborative Innovation Center of Advanced Microstructures National Laboratory of Solid State MicrostructuresNanjing UniversityNanjing 210093China State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering Ningxia UniversityYinchuan 750021China

Two-dimensional(2D)carbon nitride sheets(CNs)with atomically thin structures are regarded as one of the most promising materials for solar energy ***,due to their substantially enlarged bandgap caused by the strong quantum size effect and their incomplete polymerisation with a large number of non-condensed surface amino groups,the practical applicability of CNs in photocatalysis is *** this study,CNs with broad visible-light absorption were synthesised using a 5-min fast thermal *** removal of uncondensed amine groups reduces the bandgap of CNs from 3.06 eV to 2.60 eV,increasing their absorption of visible ***,the CNs were distorted after annealing,which can differentiate the spatial positions of electrons and holes,enhancing the visible-light absorption *** a result,when exposed to visible light,the photocatalytic hydrogen production activity of atomically thin 2D CNs rose by 8.38 *** research presents a dependable and speedy method for creating highly effective visible-light photocatalysts with narrowed bandgaps and improved visible-light absorption.

关键词： 2D carbon nitride sheets Rapid thermal annealing DFT calculations Visible-light absorption visible-light photocatalysis

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安宁疗护在社区终末期疾病患者中的应用效果

中国社区医师 2024年第16期40卷 35-37页

作者：王友青北京市西城区德胜社区卫生服务中心北京100120

目的:探讨安宁疗护在社区终末期疾病患者干预中的应用效果。方法:选取2015年1月—2018年12月北京市西城区德胜社区卫生服务中心收治的150例终末期疾病患者作为研究对象,随机分为两组,各75例。对照组给予常规干预,观察组开展安宁疗护。... 详细信息

目的:探讨安宁疗护在社区终末期疾病患者干预中的应用效果。方法:选取2015年1月—2018年12月北京市西城区德胜社区卫生服务中心收治的150例终末期疾病患者作为研究对象,随机分为两组,各75例。对照组给予常规干预,观察组开展安宁疗护。比较两组干预效果。结果:干预前,两组焦虑自评量表(SAS)、抑郁自评量表(SDS)评分比较,差异无统计学意义(P>0.05);干预后,两组SAS、SDS评分低于干预前,且观察组低于对照组,差异有统计学意义(P0.05);干预后,两组NRS评分低于干预前,且观察组低于对照组,两组Barthel指数、MNA评分高于干预前,且观察组高于对照组,差异有统计学意义(P<0.05)。观察组总满意度高于对照组,差异有统计学意义(P<0.001)。结论:安宁疗护在社区终末期疾病患者中的应用效果较好,能够改善患者心理状态、营养状态,减轻疼痛,提高患者生活质量。

关键词：社区终末期疾病安宁疗护

Distributed Secure State Estimation of Multi-Agent Systems Under Homologous Sensor Attacks

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IEEE/CAA Journal of Automatica Sinica 2023年第1期10卷 67-77页

作者： Yukun Shi youqing wang Jianyong Tuo the College of Information Science and Technology Beijing University of Chemical TechnologyBeijing 100029China IEEE

This paper addresses the problem of distributed secure state estimation for multi-agent systems under homologous sensor *** types of secure Luenberger-like distributed observers are proposed to estimate the system state and attack signal ***,the proposed two observers are applicable to deal with the cases in the presence and absence of time delays during network *** is also shown that the proposed observers can ensure the attack estimations from different agents asymptotically converge to the same *** conditions for guaranteeing the asymptotic convergence of the estimation errors are *** examples are finally provided to demonstrate the effectiveness of the proposed results.

关键词： Consensus-based Luenberger-like observer distributed secure state estimation homologous signal

Cyclodextrin-Based Porous Nanocapsules

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Chinese Journal of Chemistry 2013年第5期31卷 569-576页

作者： youqing wang Baohang Han National Center for Nanoscience and Technology Beijing 100190 China

Cyclodextrins （CDs） are regarded as one kind of the most important and promising macrocyclic oligosaccha- rides, which contain hydrophobic internal cavities capable of hosting various guest molecules. CDs are water-solu- ble, non-toxic, commercially available as well as low-cost. Because of these favorable characteristics, cyclodextrin chemistry has created a great number of interesting works covering different fields, in particular CD-based porous nanocapsules （CDPNCs）. Chemical cross-linking is an important way developed to prepare CDPNCs. CDPNCs can be obtained using different cross-linkers and preparation methods, such as homogeneous method, miniemulsion po- lymerization, and emulsion-solvent evaporation method. Because of cross-linking, a three-dimensional network is built which forms the porous structure in CDPNCs with the cavities of CDs. Attributed to the porous structure, CDPNCs exhibit excellent performances in encapsulation of targeted molecules and realization of controllable re- lease, indicating a promising prospect in applications such as drug delivery systems and environment protection.

关键词： cyclodextrins nanocapsules porous cross-linking

基于虚拟仿真技术的“技能生态”建设路径分析

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创新创业理论研究与实践 2024年第6期7卷 176-179页

作者：陈磊王友青陕西工商职业学院(陕西开放大学)管理学院陕西西安710119

该文基于数字技能,分析了现阶段“双高”专业建设中学生职业能力培养的现状和存在的主要问题,提出数字生态系统构建的必要性和难点;提出结合技能竞赛实施,新专业、新职业、新行业的内涵建设,数字能力、产业发展、思维能力培养等,完善竞... 详细信息

该文基于数字技能,分析了现阶段“双高”专业建设中学生职业能力培养的现状和存在的主要问题,提出数字生态系统构建的必要性和难点;提出结合技能竞赛实施,新专业、新职业、新行业的内涵建设,数字能力、产业发展、思维能力培养等,完善竞赛生态系统,充分发挥“双高计划”建设作用,促进陕西省商科类职业教育系统性和整体性发展。

关键词：虚拟仿真技术数字能力 “技能生态” “双高”专业工学结合教学边界

Preparation of Tris（2-aminoethyl）amine-Cross-Linked Cyclodextrin-Based Porous Nanospheres and Their Application as Drug Delivery Systems

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Chinese Journal of Chemistry 2013年第5期31卷 657-662页

作者： youqing wang Yanchao Zhao Baohang Han National Center for Nanoscience and Technology Beijing 100190 China

Cyclodextrins （CDs） show functionality, biocompatibility, and host-guest inclusion capacity with a variety of molecules. These unique properties offer great potential for the exploitation of CDs as drug delivery systems. An easy, green, and effective synthetic approach was described to develop CD-based porous nanospheres （CDPNSs） with a size distribution from 100 to 400 nm. A new cross-linker tris（2-aminoethyl）amine was used to cross-link modified β-CD at room temperature. The resulting CD-based polymers （CDPs） were reshaped from a random mor- phology into a spherical shape during a dialysis process, and CDPNSs were obtained. The morphologies of CDPs and CDPNSs were observed with scanning electron microscopy. The average diameter and the size distribution of CDPNSs were determined by dynamic light scattering. The structures of the resulting products were characterized by using Fourier transform infrared spectroscopy, 1H NMR spectroscopy, solid-state 13C CP/MAS NMR spectro- scopy, and X-ray diffraction. Furthermore, a study was conducted on drug loading and in vitro release behavior of CDPNSs, which was monitored by ultraviolet spectroscopy. The prepared CDPNSs show the potential as drug de- livery systems.

关键词： cyclodextrins cross-linking porous nanospheres drug delivery systems

数字赋能视角下农产品渠道评价生态位因子构成研究

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智慧农业导刊 2024年第3期4卷 30-32,36页

作者：王晶韩洋王友青杨艳陈磊陕西开放大学西安710119

新一代数字技术的发展加速农产品流通的现代化进程,农产品渠道选择也成为农业发展的关键问题。基于此,该研究依据扎根理论的思想,结合现有国内农产品渠道评价影响因素相关文献,借助Nvivo11.0软件对不同研究情景下的评价影响因子进行编码... 详细信息

新一代数字技术的发展加速农产品流通的现代化进程,农产品渠道选择也成为农业发展的关键问题。基于此,该研究依据扎根理论的思想,结合现有国内农产品渠道评价影响因素相关文献,借助Nvivo11.0软件对不同研究情景下的评价影响因子进行编码,在数字技术赋能背景下探索农产品渠道评价生态位因子的构成维度,为后续农产品渠道选择研究提供维度指标,同时,研究结论为农户确定产品渠道体系提供可操作的实践工具。

关键词：数字赋能农产品流通渠道评价生态位因子构成维度