《西北农林科技大学学报（自然科学版）》引文分析

运用文献计量学方法,对《西北农林科技大学学报》（以下简称《学报》）更改刊名前后的引用文献量、篇均引文率、文献语种、文献类型、引文年代分布、引用期刊分布等进行了统计与分析。结果表明,《学报》1986-2004年刊载的3 284篇论文共引用参考文献30 346条,其中中文文献和外文文献分别有18 526和11 820条,平均引文率为9.24条。《学报》2001-2004年刊载论文的引文类型以期刊类文献为主（占引文总数的75.21%）,其次是图书专著类文献（占引文总数的19.03%）;2001-2004年引文中引用近10年文献的数量达引文总数的60%以上,引文半衰期分别为7、6、7、6年;对《学报》引文中引用期刊进行了统计,得到了《学报》引用最多的前20种中、外期刊,符合农业期刊文献来源的规律。

Citation Analysis of Journal of Northwest A&F University (Nat.Sci.Ed.)

Using the method of literature metrology, statistics and analysis are made of citation quantity, ratio of citation per paper,citation languages,citation year distribution and journal distribution of〈〈 Journal of Northwest A＆F University （Nat. Sci. Ed. ）〉〉 （Hereinafter referred to as ＂Journal＂） before and after its name changed. The analysis of the cited reference of the papers in ＂Journal＂ shows that there are 30 346 involved in the total number of 3 284 research papers from 1986 to 2004,in which there are 18 526 Chinese citing items and 11 820 foreign language ones re- spectively. Averagely, there are 9.24 items cited per paper. In 2001 -2004, the mainly type of citation of the papers of ＂Jorunal＂ was periodical type（it＇s rate was 75.21% of total ） , secondly is books type （it＇s rate was 19.03% of total） ;the most number of the citation was publicshed in 0- 10 years before statistical year, it＇s rate was more than 60% to total ,the citation half-life was 7,6,7,6 years of 2001 -2004 ;By statistics,obtain the former 20 kinds Chinese sourse periodical and foreign sourse periodical,the result accord with the rule of the citation sourse of agriculture periodicals.