我国PM2.5中、英期刊论文信息挖掘及对比分析

摘要

目的 探讨我国PM2.5中、英期刊论文信息分布.方法 本文利用海量数据库和数据挖掘、聚类分析和可视化技术,从文献总体产出、学术关注趋势、相关文献分布与增长情况、权威机构和人物排名等方面得出综合分析结果.结果 近5年PM2.5中文文献增长迅速,2011-2013年期间呈快速增长趋势,其中又以2012年文献增长率最高,发文期刊主要集中在环境、健康、资源等学科,研究单位主要以国内知名综合性院校或科研机构为主,核心期刊主要包括中国科学技术信息研究所核心期刊、北京大学核心期刊、中国科学院核心期刊等,研究热词主要是PM2.5、空气污染、雾霾、细颗粒物等.与中文文献相比,外文文献近5年增幅比较平缓,研究单位也主要集中在国内知名综合性院校或科研机构且这些文献主要被SCI、EI、Medline等收录.结论 我国关于PM2.5研究已取得一定的成果,且期刊论文总体学术水平较高,为科学认识PM2.5,积极防治雾霾奠定基础.%Objective To explore the information distribution of PM2.5 periodical paper both in English and Chinese in China.Methods Comprehensive analysis result was made based on the overall output of literature,academic attention trend,literature distribution and growth trend,authority institution and author ranking using high volume database,data mining,clustering analysis and visualization technology.Results There has been a rapid rise in the Chinese PM2.5 periodical paper in recent 5 years,with a sharp rise during the year 2011 to 2013 and the biggest rise in 2012.The periodicals that carry Chinese PM2.5 literature are mainly in the subjects of environment,health,resources.Researching organizations are mainly domestic famous comprehensive universities or research institutions.Core journal lists include those of China science and technology information institute,Peking University,and Chinese academy of science.Research terms mainly include PM2.5 air pollution,haze,particulate matter.Compared to the PM2.5 literature in Chinese,there has been slower development of literature in English in recent 5 years.Research organizations mainly include famous comprehensive universities or research institutions,and most of the literature are embodied in SCI,EI and Medline.Conclusions Some certain achievements have been made towards the PM2.5 research in China and the overall academic level of periodical paper is high,laying solid foundation for having a scientific knowledge of PM2.5 and taking countermeasure for haze.