节水农业文献数据库专题期刊研究

采用文献计量学方法，对节水农业文献数据库涉及的388种专题期刊进行统计、分析。结果表明：本库收录的专题期刊既保证了收文质量，又保证了查金率、查准率；且节水农业文献学科归属具有高度的集中性与广泛的离散性，这对节水农业科教人员和文献信息工作者充分、有效地使用该数据库，具有一定的导示作用。

The subject serial research of data base of water saving agriculture literature

Aathor used the method of documentary metrology, counted and analysed 388species subject serial of documental data base in water-saving agriculture. The results showed thatthe subject serial, which the data base had been collected, guaranteed quality of collecteddocuments as well as guaranteed recall ratio & accuracy ratio, and documental subjectclassification in water-saving agriculture had high degree of centralism and wide scattering. Thesecharacteristics would have a certain instructing function for the researchers; teachers anddocumentary information staffs to used the database fully and effectively.