Taking the research papers on black peanut in National Knowledge Infrastructure(CNKI)as data sources,we determine the research hot spots on black peanut using word frequency analysis,and analyze the main research dire...Taking the research papers on black peanut in National Knowledge Infrastructure(CNKI)as data sources,we determine the research hot spots on black peanut using word frequency analysis,and analyze the main research directions that change over the years.The results show that the relevant researches on black peanut are mainly concentrated in six themes(study of varieties,physiological property,cultivation management,development prospects,relationship with agriculture,and molecular level);varieties,physiology,cultivation and other aspects are the focus of current research hot spots;the researches on selection and breeding of variety and various physiological and ecological mechanisms,still need a breakthrough.展开更多
Career identity is one of the important topics to study the psychological problems of employees,especially after the outbreak of CoV-19.Being a populous country in the world,China has a large number of employees from ...Career identity is one of the important topics to study the psychological problems of employees,especially after the outbreak of CoV-19.Being a populous country in the world,China has a large number of employees from all walks of life,and its research on career identity has attracted more and more attention.Thus,this study aims to sort out the history,characteristics,and trends of the research on career identity in China through a literature review,which can help more scholars pay attention to China’s career identity research.In this study,Citespace is used to statistically analyze the selected literature from China’s National Knowledge Infrastructure(CNKI)and Web of Science(WOS).The results show that:(1)The historical evolution of career identity research in China can be divided into three stages:germination,development and maturity.(2)From the perspective of cooperation between authors and institutions,researchers tend to do independent research,mainly focusing on the research in the field of psychology.(3)From the key words,career identity and employability are the main high-frequency words.(4)From the cluster analysis,the research focuses mainly include social support,teachers’career identity,influencing factors,and job involvement.(5)From the emergent analysis,it can be seen that the research on roles and differences between urban and rural areas is weakening,and the research on factors such as job satisfaction is gradually strengthening as the frontier theme.Finally,according to the existing analysis results,this study predicts the future trend of career identity in China and thinks that it will extend from the fields of concept explanation,interdisciplinary research,scientific research tools,and so on.展开更多
Cereal crops, including wheat, barley, oats, rye, etc., are the major sources of calories and proteins for most of the people in the world as well as in China. Cereal rusts and powdery mildews are very important disea...Cereal crops, including wheat, barley, oats, rye, etc., are the major sources of calories and proteins for most of the people in the world as well as in China. Cereal rusts and powdery mildews are very important diseases occurred on the cereal crops, which caused yield losses at 5-10% in general and even more than 30% while severe epidemics occurred. In recent years, with the global climate change, change of cultivation system and evolution of the pathogens, the world is facing great challenges caused by cereal diseases.展开更多
The 2017 International Bovine Mastitis Conference & The National Mastitis Council Regional in China was successfully held in Beijing on August 25-27, 2017. Nearly 650 participants from more than eight countries (reg...The 2017 International Bovine Mastitis Conference & The National Mastitis Council Regional in China was successfully held in Beijing on August 25-27, 2017. Nearly 650 participants from more than eight countries (regions) and international organizations attended this conference. The conference provided an communication platform for international counterparts, and the content was closely related to all aspects of dairy cow health, including dairy mastitis pathogens, diagnose, therapeutics, management, residue, bacterial resistance and milk safety. Here we are pleased to have the opportunity to organize a special focus and provide the most updated knowledge of the given topics.展开更多
目的量化关于心脏手术体外循环目标导向灌注(GDP)相关学术论文的基本信息,探索关于GDP研究领域的研究热点、趋势及最具有影响力的论文,为研究人员及临床工作者提供参考。方法利用科学网(Web of Science)检索GDP相关文献,使用R语言数据包...目的量化关于心脏手术体外循环目标导向灌注(GDP)相关学术论文的基本信息,探索关于GDP研究领域的研究热点、趋势及最具有影响力的论文,为研究人员及临床工作者提供参考。方法利用科学网(Web of Science)检索GDP相关文献,使用R语言数据包Bibliometrix对文献的发表年代、期刊来源及期刊所属国家、高频关键词的分布情况进行统计分析,并进行聚类分析,得到该GDP研究领域关注热点。结果筛选出GDP相关文献116篇,获得该领域研究热度趋势、来源期刊分布、各国研究热度等数据资料。高频关键词共计15个,通过对高频关键词进行聚类分析,得到3个主要研究热点方向。关于GDP研究领域的热点有氧供指数、氧耗监测、组织灌注监测等。结论GDP研究热点主要为GDP研究内容和技术、对象、临床结局。基于文献计量学的研究方法,本研究提供较为全面的关于GDP研究领域发展的分析总结,未来该领域的氧供与氧耗监测与调控仍可能是热门研究方向。展开更多
目的通过文献计量和知识图谱分析,探究Web of Science核心数据库中关于瑞马唑仑的研究热点和发展趋势,为后续研究提供方向。方法检索Web of Science核心库,分别以“remimazolam”和“CNS7056”为主题词进行检索,时间为建库至2023年8月31...目的通过文献计量和知识图谱分析,探究Web of Science核心数据库中关于瑞马唑仑的研究热点和发展趋势,为后续研究提供方向。方法检索Web of Science核心库,分别以“remimazolam”和“CNS7056”为主题词进行检索,时间为建库至2023年8月31日,运用CiteSpace及VOSViewer对检索到的文献除重后,对关键词、高被引文献等进行可视化分析和比较。结果收集到268篇有效文章,发文量在2020年呈指数级增长。关键词分析显示诊疗操作镇静、镇静麻醉药物及其引起的不良事件是目前的研究热点。结论研究集中于瑞马唑仑在诊疗操作镇静中的应用及不良事件等相关;其镇静有效性及安全性是研究焦点。展开更多
在建筑上安装光伏是建筑业降碳减碳最有效的途径,了解国内外光伏建筑的发展动态对我国部署光伏具有重大意义。对Web of Science中的核心合集数据库中5 275篇关于光伏建筑的文献进行计量研究分析。采用CiteSpace 6.2.2版本和战略咨询智...在建筑上安装光伏是建筑业降碳减碳最有效的途径,了解国内外光伏建筑的发展动态对我国部署光伏具有重大意义。对Web of Science中的核心合集数据库中5 275篇关于光伏建筑的文献进行计量研究分析。采用CiteSpace 6.2.2版本和战略咨询智能支持系统对相关文献进行了发文机构、发文量、国家地区、关键词共现、关键词突现、关键词聚类和关键词时间线图分析。研究发现,光伏建筑主要分为热效能、可再生能源管理和光伏发电系统三大研究领域,近些年的研究热点集中在光伏发电的能源管理问题和光伏发电量问题上。展开更多
以Web of Science(WOS)和中国知网(CNKI)数据库中检索到的2011—2022年生态与生计研究的2062篇文献为数据源,运用文献计量分析软件CiteSpace对文献数据进行共现、热点、聚类和突现等分析,定性定量地阐明国内外生态—生计的研究进展、研...以Web of Science(WOS)和中国知网(CNKI)数据库中检索到的2011—2022年生态与生计研究的2062篇文献为数据源,运用文献计量分析软件CiteSpace对文献数据进行共现、热点、聚类和突现等分析,定性定量地阐明国内外生态—生计的研究进展、研究热点和发展趋势。结果表明,国内外生态—生计研究的发文量从缓慢增长到快速增长,但近两年呈下降趋势;国际研究主要集中在地理科学、可持续性科学和生态学领域,呈现多学科交叉、研究方向多元化和精细化的研究趋势,研究热点主要关注生物多样性保护、政治生态、生态保护、生计、影响与冲击等;国内研究主要集中在生态学与地理科学领域,研究热点主要集中在生计和政策绩效评估方面,研究以国家政策为导向,缺乏创新性,与国际相比在生物多样性保护、生态系统服务与生计的关系方面关注度不足。对国内该领域未来研究提出建议,以促进生态、社会与经济协调可持续发展。展开更多
聚焦高校教师数字化教学这一研究热点,采用CiteSpace软件分析了2006—2023年间Web of Science核心合集收录的727篇相关文献,对其发文趋势、作者合作网络、研究机构合作网络、高频关键词共现以及关键词聚类进行了可视化分析。结果发现:...聚焦高校教师数字化教学这一研究热点,采用CiteSpace软件分析了2006—2023年间Web of Science核心合集收录的727篇相关文献,对其发文趋势、作者合作网络、研究机构合作网络、高频关键词共现以及关键词聚类进行了可视化分析。结果发现:该领域经历了缓慢增长、稳健发展与活跃突破等三个阶段;西班牙及其塞维利亚大学在数字化教学领域的研究表现尤为突出;国际学术界的研究热点包括数字技术与教育的整合、教师数字技能培训及其效果评价、数字化评估在高等教育中的应用以及教师对数字技术的态度和实践挑战。有鉴于此,提出了该领域未来研究需深入探索的四个焦点研究议题。展开更多
文摘Taking the research papers on black peanut in National Knowledge Infrastructure(CNKI)as data sources,we determine the research hot spots on black peanut using word frequency analysis,and analyze the main research directions that change over the years.The results show that the relevant researches on black peanut are mainly concentrated in six themes(study of varieties,physiological property,cultivation management,development prospects,relationship with agriculture,and molecular level);varieties,physiology,cultivation and other aspects are the focus of current research hot spots;the researches on selection and breeding of variety and various physiological and ecological mechanisms,still need a breakthrough.
基金This study was funded by Jiangsu Province General Research Project of Philosophy and Social Sciences in Universities,Grant No.“2021SJA0488”Jiangsu Graduate Innovation Project,Grant No.“KYCX20_1145”China Scholarship Council Projects,Grant No.“202006860031”.
文摘Career identity is one of the important topics to study the psychological problems of employees,especially after the outbreak of CoV-19.Being a populous country in the world,China has a large number of employees from all walks of life,and its research on career identity has attracted more and more attention.Thus,this study aims to sort out the history,characteristics,and trends of the research on career identity in China through a literature review,which can help more scholars pay attention to China’s career identity research.In this study,Citespace is used to statistically analyze the selected literature from China’s National Knowledge Infrastructure(CNKI)and Web of Science(WOS).The results show that:(1)The historical evolution of career identity research in China can be divided into three stages:germination,development and maturity.(2)From the perspective of cooperation between authors and institutions,researchers tend to do independent research,mainly focusing on the research in the field of psychology.(3)From the key words,career identity and employability are the main high-frequency words.(4)From the cluster analysis,the research focuses mainly include social support,teachers’career identity,influencing factors,and job involvement.(5)From the emergent analysis,it can be seen that the research on roles and differences between urban and rural areas is weakening,and the research on factors such as job satisfaction is gradually strengthening as the frontier theme.Finally,according to the existing analysis results,this study predicts the future trend of career identity in China and thinks that it will extend from the fields of concept explanation,interdisciplinary research,scientific research tools,and so on.
文摘Cereal crops, including wheat, barley, oats, rye, etc., are the major sources of calories and proteins for most of the people in the world as well as in China. Cereal rusts and powdery mildews are very important diseases occurred on the cereal crops, which caused yield losses at 5-10% in general and even more than 30% while severe epidemics occurred. In recent years, with the global climate change, change of cultivation system and evolution of the pathogens, the world is facing great challenges caused by cereal diseases.
文摘The 2017 International Bovine Mastitis Conference & The National Mastitis Council Regional in China was successfully held in Beijing on August 25-27, 2017. Nearly 650 participants from more than eight countries (regions) and international organizations attended this conference. The conference provided an communication platform for international counterparts, and the content was closely related to all aspects of dairy cow health, including dairy mastitis pathogens, diagnose, therapeutics, management, residue, bacterial resistance and milk safety. Here we are pleased to have the opportunity to organize a special focus and provide the most updated knowledge of the given topics.
文摘目的量化关于心脏手术体外循环目标导向灌注(GDP)相关学术论文的基本信息,探索关于GDP研究领域的研究热点、趋势及最具有影响力的论文,为研究人员及临床工作者提供参考。方法利用科学网(Web of Science)检索GDP相关文献,使用R语言数据包Bibliometrix对文献的发表年代、期刊来源及期刊所属国家、高频关键词的分布情况进行统计分析,并进行聚类分析,得到该GDP研究领域关注热点。结果筛选出GDP相关文献116篇,获得该领域研究热度趋势、来源期刊分布、各国研究热度等数据资料。高频关键词共计15个,通过对高频关键词进行聚类分析,得到3个主要研究热点方向。关于GDP研究领域的热点有氧供指数、氧耗监测、组织灌注监测等。结论GDP研究热点主要为GDP研究内容和技术、对象、临床结局。基于文献计量学的研究方法,本研究提供较为全面的关于GDP研究领域发展的分析总结,未来该领域的氧供与氧耗监测与调控仍可能是热门研究方向。
文摘目的通过文献计量和知识图谱分析,探究Web of Science核心数据库中关于瑞马唑仑的研究热点和发展趋势,为后续研究提供方向。方法检索Web of Science核心库,分别以“remimazolam”和“CNS7056”为主题词进行检索,时间为建库至2023年8月31日,运用CiteSpace及VOSViewer对检索到的文献除重后,对关键词、高被引文献等进行可视化分析和比较。结果收集到268篇有效文章,发文量在2020年呈指数级增长。关键词分析显示诊疗操作镇静、镇静麻醉药物及其引起的不良事件是目前的研究热点。结论研究集中于瑞马唑仑在诊疗操作镇静中的应用及不良事件等相关;其镇静有效性及安全性是研究焦点。
文摘在建筑上安装光伏是建筑业降碳减碳最有效的途径,了解国内外光伏建筑的发展动态对我国部署光伏具有重大意义。对Web of Science中的核心合集数据库中5 275篇关于光伏建筑的文献进行计量研究分析。采用CiteSpace 6.2.2版本和战略咨询智能支持系统对相关文献进行了发文机构、发文量、国家地区、关键词共现、关键词突现、关键词聚类和关键词时间线图分析。研究发现,光伏建筑主要分为热效能、可再生能源管理和光伏发电系统三大研究领域,近些年的研究热点集中在光伏发电的能源管理问题和光伏发电量问题上。
文摘以Web of Science(WOS)和中国知网(CNKI)数据库中检索到的2011—2022年生态与生计研究的2062篇文献为数据源,运用文献计量分析软件CiteSpace对文献数据进行共现、热点、聚类和突现等分析,定性定量地阐明国内外生态—生计的研究进展、研究热点和发展趋势。结果表明,国内外生态—生计研究的发文量从缓慢增长到快速增长,但近两年呈下降趋势;国际研究主要集中在地理科学、可持续性科学和生态学领域,呈现多学科交叉、研究方向多元化和精细化的研究趋势,研究热点主要关注生物多样性保护、政治生态、生态保护、生计、影响与冲击等;国内研究主要集中在生态学与地理科学领域,研究热点主要集中在生计和政策绩效评估方面,研究以国家政策为导向,缺乏创新性,与国际相比在生物多样性保护、生态系统服务与生计的关系方面关注度不足。对国内该领域未来研究提出建议,以促进生态、社会与经济协调可持续发展。
文摘聚焦高校教师数字化教学这一研究热点,采用CiteSpace软件分析了2006—2023年间Web of Science核心合集收录的727篇相关文献,对其发文趋势、作者合作网络、研究机构合作网络、高频关键词共现以及关键词聚类进行了可视化分析。结果发现:该领域经历了缓慢增长、稳健发展与活跃突破等三个阶段;西班牙及其塞维利亚大学在数字化教学领域的研究表现尤为突出;国际学术界的研究热点包括数字技术与教育的整合、教师数字技能培训及其效果评价、数字化评估在高等教育中的应用以及教师对数字技术的态度和实践挑战。有鉴于此,提出了该领域未来研究需深入探索的四个焦点研究议题。