核心期刊指刊载某门学科文献密度与信息含量较大 ,文载率、引文率及利用率较高 ,被公认为代表着学科 (或专业 )研究现有水平和发展方向的期刊。由于我国目前还没有建立全面准确并且权威的引文源数据库 ,在确定核心期刊过程中不可避免会产生漏检并影响准确性。研究和筛选核心期? Core journals refer to journals that contain a large number of documents with a high density and content of information, high citation rates, high citation rates and high utilization rates. They are widely recognized as journals that represent the current level and direction of development of disciplines (or majors). As China has not yet established a comprehensive and accurate and authoritative source citation database, in the process of determining the core journals will inevitably produce missed inspection and affect the accuracy. Research and screening core period?