1994-2004年《中国土地科学》论文关键词统计分析

Statistical Analysis of Key Words in Papers of "China Land Science" from 1994 to 2004

研究目的:分析《中国土地科学》关键词规范化程度,探究其与土地科学研究的关系。研究方法:文献统计分析法。研究结果:1994-2004年《中国土地科学》(正刊)文献关键词的标引质量逐年提高,能够反映本刊文献研究的主题,但有些关键词的标引尚不够规范。研究结论:关键词的标引是对文献主题的高度概括,可以反映学术论文的质量及规范化程度。出现频次较高的关键词往往与学科发展中热点问题、焦点问题呈正相关。关键词标引的专业范围反映了土地科学研究体系的逐渐形成和完善。

The purpose of the paper is to analyze the standardization degree of key words in papers of “China Land Science”, and explore its relations with land science research. Method of literature statistical analysis was applied. The quality of key words index had been improving from 1994 to 2004. Most of the key words could reflect the topics accurately while some could not. The key words index summarized highly the topics of the papers and could reflect their quality and the standardized degree. The key words of high frequency correlated to hot topics and highlights regarding the discipline development. The scope of key words reflected the formation and the improvement of land science research system.