《中华放射肿瘤学杂志》2001-2004年引文分析

目的了解《中华放射肿瘤学杂志》引文引用规律及该刊情报吸收能力，探讨该刊的文献引用半衰期及肿瘤学专业的核心期刊，发现我国放射肿瘤学研究领域科研人员的文献需求特征，为该学科研究人员查阅文献提出建议。方法采用引文计量分析法按文章发表的时序逐篇统计该刊2001—2004年间各栏目刊载的475篇文章所引用的参考文献。结果引文率为70．5％，篇均引文8．6条，主要的引文类型分别为期刊(91．7％)和图书(7．8％)，普赖斯指数41．6％，自引率6．2％。被引用频次前20位的中外文期刊的文献引用量占总引用期刊文献量的57．0％。结论该刊涉猎文献范围广，引文类型以期刊为主，语种以英文文献为主，引文的外文语种结构较为单一，文献引用半衰期逐渐延长，专业人员利用新文献能力有待进一步提高。

Citation analysis of the Chinese Journal of Radiation Ocology from 2001 to 2004

Objective To study the information absorbency of Chinese Journal of Radiation Oncology and it's half-citing life, find out the core journals and characteristics of literature requested by scientists, and analyze the trend of Radiation Oncology research. Methods The citation analysis is used to analyze the references cited in 475 articles in Chinese Journal of Radiation Oncology from 2001-2004. Results Citation rate is 70.5%,and there are 8.6 citations per article. Main types of citations are journals(91.7%) and books(7.8%). The Price Index is 41.6%,and the self-citation rate is 6.2%. The percent of citations from the high-ranked 20 journals are 57.0%. Conclusions The articles in Chinese Journal of Radiation Oncology concern most journals in the medicine,the most citations are from the English journals. The half-citing life becomes longer than research in 2003. It shows that the use of newly-published articles should be improved.