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科技期刊引文中,某一类情报源被引用的次数与各类情报源被引用总次数的百分比称为这一类情报源的引用度。它的数值大小与科技期刊的刊种、刊数和统计时域等有关。引用度数值从大向小的排列顺序称为科技期刊引文的情报源引用度序。研究期刊引文的情报源引用度序的行为和规律,对于判断不同情报源在科技情报传递过程中的地位与作用、图书情报部门优化各类情报源的馆藏结构、读者有针对性地选择情报源等都有重要的理论价值和实用意义。
Sci-tech periodical citations, a type of information source is cited and the various types of intelligence sources are cited as a percentage of the total number of times cited as the source of this type of reference. Its numerical size and the publication of journals, journals and statistical time-domain and so on. The order of reference degrees from big to small is called the quotation order of information sources of citations of scientific journals. To study the behavior and rules of quotation sequence of intelligence sources of journal citations, we can judge the status and function of different intelligence sources in the transmission of science and technology information. Library intelligence optimize the collection structure of all kinds of intelligence sources. The readers select the intelligence sources All have important theoretical value and practical significance.