摘要
在全面搜集整理中文茶科技文献的基础上,筛选出具备关键词的茶科技文献9889篇。通过对其中所含关键词的计量分析得到:所有样本文献中包含的不同关键词总数为12091个,平均每篇文献含有3.8个;同一关键词在全部文献中的出现频次范围为1～638次,平均3.1次;极大部分关键词只出现1次,同时有少量关键词出现频次极高,最高的达8346次。文章还对关键词的频次分布、年份分布、期刊分布,以及这些分布所体现的学科发展规律进行了分析和讨论。
Based on a comprehensive collection and coordination of Chinese tea literatures, the paper has selected 9889 tea science papers with key words. Through bibliometric analysis of the contained key words, the paper has obtained a total number of 12091 different key words contained in tea science papers, with an average of 3.8 key words per paper. The frequency range of key words in all sample literatures range from 1 to 638, with an average of 3.1 times; most key words only appear once in all sample literatures, and also there are several key words with very high frequency of 8346. The paper has analyzed and discussed the frequency distributions of key words, year distribution, periodical distribution as well as tea science development rules based on these distributions.
出处
《农业图书情报学刊》
2005年第9期150-153,共4页
Journal of Library and Information Sciences in Agriculture
关键词
茶学
文献
关键词
计量
分布
期刊
发展规律
tea science
literature
key word
bibluometrics
distribution
periodical
development rule
