This study comprehensively analyzes the status,characteristics,focal points,and evolving trends of global research on“stroke risk analysis”over the past four years(2020–2023),aiming to provide insights for directin...This study comprehensively analyzes the status,characteristics,focal points,and evolving trends of global research on“stroke risk analysis”over the past four years(2020–2023),aiming to provide insights for directing future research endeavors.By utilizing the Newcastle-Ottawa Scale,63 high-quality research papers were selected and subjected to a systematic literature review.In terms of research methods,stroke risk analysis research has evolved from clinical trials(e.g.,establishing control groups,using authoritative scales)towards statistical and data analysis methods(e.g.,decision tree analysis).Regarding research factors,early studies primarily focused on pathological factors associated with hemorrhagic and ischemic stroke,such as hypertension,hyperlipidemia,and diabetes.Recent research from the past two years indicates a shift towards emerging factors,including temperature conditions,air quality,and Corona Virus Disease 2019(COVID-19).In terms of application domains,stroke research covers a broad range of fields but mainly focuses on exploring risk factors,interventions during diagnosis and treatment stages,and rehabilitation,with clinical diagnosis,treatment,and drug intervention studies being predominant.While the research landscape is becoming increasingly diversified and comprehensive,there remains a need for more comprehensive and in-depth studies on novel topics,as well as integrated applications of research methods,presenting ample opportunities for exploring dependent variables in future stroke.展开更多
为研究MOOC在国际上的发展现状,梳理Web of Science上2012-2017年MOOC研究文献,使用文献数据分析软件Cite Space,分别从研究年份、研究国家、研究领域、文献类型、引文情况、关键词六个方面进行分析,最后总结目前国际MOOC文献研究的主...为研究MOOC在国际上的发展现状,梳理Web of Science上2012-2017年MOOC研究文献,使用文献数据分析软件Cite Space,分别从研究年份、研究国家、研究领域、文献类型、引文情况、关键词六个方面进行分析,最后总结目前国际MOOC文献研究的主要研究方向和发展趋势,为国内MOOC研究和发展提供参考。展开更多
Air pollution caused by particulate matter has significantly improved in China in recent years since the implementation of a series of stringent clean-air regulations.However,surface ozone concentrations have increase...Air pollution caused by particulate matter has significantly improved in China in recent years since the implementation of a series of stringent clean-air regulations.However,surface ozone concentrations have increased,especially in developed city clusters,such as the Beijing–Tianjin–Hebei,Yangtze River Delta,Pearl River Delta,and Sichuan Basin regions.Due to the complexity and nonlinearity of the ozone formation,accurately locating major sources of ozone and its precursors is an important basis for the formulation of cost-effective pollution control strategies.In this paper,the authors systematically summarize the reported results and outcomes of the methods and main conclusions of ozone source apportionment(regions and categories)in China from the published literature,based on observation-based methods and emission-based methods,respectively.The authors aim to provide a comprehensive understanding of ozone pollution and reliable references for the formulation of air pollution prevention policies in China.展开更多
为直观和系统地了解国际冬奥会研究领域的进展和发展趋势,文章利用HistCite引文图谱分析软件和CiteSpace可视化分析软件,对Web of Science核心合集数据库检索库中1999—2021年收录的以Winter Olympic Game为主题的520篇文献进行了文献...为直观和系统地了解国际冬奥会研究领域的进展和发展趋势,文章利用HistCite引文图谱分析软件和CiteSpace可视化分析软件,对Web of Science核心合集数据库检索库中1999—2021年收录的以Winter Olympic Game为主题的520篇文献进行了文献计量分析。结果显示,国内外研究人员对冬奥会领域的研究主要集中于运动与康复学、旅游学、心理学、管理学等领域。展开更多
The integration of Blockchain Technology(BT)with Digital Twins(DTs)is becoming increasingly recognized as an effective strategy to enhance trust,interoperability,and data privacy in virtual spaces such as the metavers...The integration of Blockchain Technology(BT)with Digital Twins(DTs)is becoming increasingly recognized as an effective strategy to enhance trust,interoperability,and data privacy in virtual spaces such as the metaverse.Although there is a significant body of research at the intersection of BT and DTs,a thorough review of the field has not yet been conducted.This study performs a systematic literature review on BT and DTs,using the CiteSpace analytic tool to evaluate the content and bibliometric information.The review covers 976 publications,identifying the significant effects of BT on DTs and the integration challenges.Key themes emerging from keyword analysis include augmented reality,smart cities,smart manufacturing,cybersecurity,lifecycle management,Ethereum,smart grids,additive manufacturing,blockchain technology,and digitalization.Based on this analysis,the study proposes a development framework for BTenhanced DTs that includes supporting technologies and applications,main applications,advantages and functionalities,primary contexts of application,and overarching goals and principles.Additionally,an examination of bibliometric data reveals three developmental phases in cross-sectional research on BT and DTs:technology development,technology use,and technology deployment.These phases highlight the research field’s evolution and provide valuable direction for future studies on BTenhanced DTs.展开更多
为揭示地下综合管廊领域的知识结构和发展脉络,明晰地下综合管廊领域的研究热点和前沿,以Web of Science和Scopus数据库中1970—2018年收录的综合管廊相关文献为研究对象,借助可视化软件CiteSpace绘制综合管廊研究知识图谱,对综合管廊...为揭示地下综合管廊领域的知识结构和发展脉络,明晰地下综合管廊领域的研究热点和前沿,以Web of Science和Scopus数据库中1970—2018年收录的综合管廊相关文献为研究对象,借助可视化软件CiteSpace绘制综合管廊研究知识图谱,对综合管廊研究进行发展态势分析、合作特征分析、文献共被引分析以及关键词共现分析。研究发现:目前综合管廊研究呈快速发展的趋势;研究成果较为丰硕的国家为中国、美国、西班牙、英国、加拿大、日本,最富有成效的作者为Curiel-Esparza J和Canto-Perello J;研究热点主要集中在可行性、决策、投融资、规划、设计、施工、风险、安全、运维、管理方面;未来综合管廊研究趋势与热点将集中在投融资模式创新与应用、绿色建造技术及一体化建设、信息化及智能化运维管理、可持续发展等方面。最后,对综合管廊后续研究提出加强跨学科合作和治理研究的建议。展开更多
基金funded by 2020 National Social Science Fund(grant number:20BTQ073)The Special Fund for the“Community Medicine and Health Management Research Project”of the Shanghai Society of Integrated Traditional Chinese and Western Medicine(grant number:2023SQ19).
文摘This study comprehensively analyzes the status,characteristics,focal points,and evolving trends of global research on“stroke risk analysis”over the past four years(2020–2023),aiming to provide insights for directing future research endeavors.By utilizing the Newcastle-Ottawa Scale,63 high-quality research papers were selected and subjected to a systematic literature review.In terms of research methods,stroke risk analysis research has evolved from clinical trials(e.g.,establishing control groups,using authoritative scales)towards statistical and data analysis methods(e.g.,decision tree analysis).Regarding research factors,early studies primarily focused on pathological factors associated with hemorrhagic and ischemic stroke,such as hypertension,hyperlipidemia,and diabetes.Recent research from the past two years indicates a shift towards emerging factors,including temperature conditions,air quality,and Corona Virus Disease 2019(COVID-19).In terms of application domains,stroke research covers a broad range of fields but mainly focuses on exploring risk factors,interventions during diagnosis and treatment stages,and rehabilitation,with clinical diagnosis,treatment,and drug intervention studies being predominant.While the research landscape is becoming increasingly diversified and comprehensive,there remains a need for more comprehensive and in-depth studies on novel topics,as well as integrated applications of research methods,presenting ample opportunities for exploring dependent variables in future stroke.
文摘为研究MOOC在国际上的发展现状,梳理Web of Science上2012-2017年MOOC研究文献,使用文献数据分析软件Cite Space,分别从研究年份、研究国家、研究领域、文献类型、引文情况、关键词六个方面进行分析,最后总结目前国际MOOC文献研究的主要研究方向和发展趋势,为国内MOOC研究和发展提供参考。
基金supported by the National Natural Science Foundation of China grant number 41830109the National Key R&D Programs of China grant number2017YFB0503901。
文摘Air pollution caused by particulate matter has significantly improved in China in recent years since the implementation of a series of stringent clean-air regulations.However,surface ozone concentrations have increased,especially in developed city clusters,such as the Beijing–Tianjin–Hebei,Yangtze River Delta,Pearl River Delta,and Sichuan Basin regions.Due to the complexity and nonlinearity of the ozone formation,accurately locating major sources of ozone and its precursors is an important basis for the formulation of cost-effective pollution control strategies.In this paper,the authors systematically summarize the reported results and outcomes of the methods and main conclusions of ozone source apportionment(regions and categories)in China from the published literature,based on observation-based methods and emission-based methods,respectively.The authors aim to provide a comprehensive understanding of ozone pollution and reliable references for the formulation of air pollution prevention policies in China.
文摘为直观和系统地了解国际冬奥会研究领域的进展和发展趋势,文章利用HistCite引文图谱分析软件和CiteSpace可视化分析软件,对Web of Science核心合集数据库检索库中1999—2021年收录的以Winter Olympic Game为主题的520篇文献进行了文献计量分析。结果显示,国内外研究人员对冬奥会领域的研究主要集中于运动与康复学、旅游学、心理学、管理学等领域。
基金supported by the National Social Science Fund of China(Grant reference number:20BGL187)Guangzhou CityUniversity Joint Fund(SL2024A03J00974).
文摘The integration of Blockchain Technology(BT)with Digital Twins(DTs)is becoming increasingly recognized as an effective strategy to enhance trust,interoperability,and data privacy in virtual spaces such as the metaverse.Although there is a significant body of research at the intersection of BT and DTs,a thorough review of the field has not yet been conducted.This study performs a systematic literature review on BT and DTs,using the CiteSpace analytic tool to evaluate the content and bibliometric information.The review covers 976 publications,identifying the significant effects of BT on DTs and the integration challenges.Key themes emerging from keyword analysis include augmented reality,smart cities,smart manufacturing,cybersecurity,lifecycle management,Ethereum,smart grids,additive manufacturing,blockchain technology,and digitalization.Based on this analysis,the study proposes a development framework for BTenhanced DTs that includes supporting technologies and applications,main applications,advantages and functionalities,primary contexts of application,and overarching goals and principles.Additionally,an examination of bibliometric data reveals three developmental phases in cross-sectional research on BT and DTs:technology development,technology use,and technology deployment.These phases highlight the research field’s evolution and provide valuable direction for future studies on BTenhanced DTs.
文摘为揭示地下综合管廊领域的知识结构和发展脉络,明晰地下综合管廊领域的研究热点和前沿,以Web of Science和Scopus数据库中1970—2018年收录的综合管廊相关文献为研究对象,借助可视化软件CiteSpace绘制综合管廊研究知识图谱,对综合管廊研究进行发展态势分析、合作特征分析、文献共被引分析以及关键词共现分析。研究发现:目前综合管廊研究呈快速发展的趋势;研究成果较为丰硕的国家为中国、美国、西班牙、英国、加拿大、日本,最富有成效的作者为Curiel-Esparza J和Canto-Perello J;研究热点主要集中在可行性、决策、投融资、规划、设计、施工、风险、安全、运维、管理方面;未来综合管廊研究趋势与热点将集中在投融资模式创新与应用、绿色建造技术及一体化建设、信息化及智能化运维管理、可持续发展等方面。最后,对综合管廊后续研究提出加强跨学科合作和治理研究的建议。
