摘要
运用统计分析方法,以1997-2001年 天津农学院学报 刊载的304篇论文的1550篇参考文献为研究对象,从引文数量、引文的文献类型、语种、年代分布等方面进行分析。结果显示,平均篇引文量5.1条,引文中以期刊最多,占64.19%,其次为图书,占28.26%,特种文献仅占7.55%;语种以汉语最多,英语其次,分别占80.97%和17.94%;引文中664篇是近5a内发表的,普赖斯指数的均值为42.84%,引用半衰期为6a。
Using the statistics method, 1 550 references of 304 papers were studied in Journal of Tianjin Agricultural College from 1997 to 2001, and thus the amount, type of literature, language, age distribution and so on of the references are analyzed. The results show that the average citation amount is 5.1 pieces per paper. Among the references, 64.19% are from journals, 28.26% from books, and only 7.55% from the special literature. Among the languages, 80.97% and 17.94% are from Chinese and English, respectively. 664 papers were published in the near five years, and the average PLYS index is 42.84%, the citation halflife is six years.
出处
《天津农学院学报》
CAS
2002年第4期60-64,共5页
Journal of Tianjin Agricultural University
