从学位论文的引文分析看农业院校博士生对期刊文献的需求

Periodical Demand of Agriculture Universities Doctors on the Basis of Thesis Citation Analysis

用文献计量学方法对华南农业大学 1990～ 1999年 10年间的博士学位论文引用的期刊文献进行了统计。结果表明 ,10 2篇论文引用的期刊文献 10 736篇 ,人均 10 5 .3篇。共引期刊 170 4种 ,人均 16 .7种 ,其中 ,中文刊占2 4 .2 4 %。英文刊占 74 .0 6 % ,日文刊占 1.12 % ,俄文刊占 0 .5 9%。 5 4种中文刊 (占中文刊总数的 13.0 8% )和 15 7种英文期刊 (占英文刊总数的 12 .4 4 % )提供了 70 %的文献信息需求量。 90年代初期至中期期刊是论文写作的主要情报源。中文文献的衰老速度明显快于英文文献。

The thesis statistic periodical document with document metrology cited by thesis of doctor's degree of my University. The result represents that 102 theses cited 10,736 theses, an average of 105.3 papers. There are 1,704 learned periodicals being cited, an average of 16.7 articles in each learned periodicals, accounting for 24.24% in Chinese learned periodicals, 74.06% in English learned periodicals, 1.12% in Japanese learned periodicals and 0.59% in Russian learned periodicals. 54 Chinese learned periodicals (13.08% of all Chinese learned periodicals) and English learned periodicals (12.44% of all English learned periodicals) provide 70% document information. Chinese learned periodicals from initials stages to metaphase in 1990's are mostly intelligence resources. Chinese documents have obviously faster ageing rate than English documents.