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对《中国造纸》１９９１年至１９９５年间发表的论文引文进行了统计分析，从理论上证明了《中国造纸》是造纸科技的核心期刊，并指出了该刊论文的衰减规律服从Ｃｔ＝３７４ｅ－０．１６０９ｔ的方程式。造纸科技期刊的半衰期为７．３４年。
This paper makes a statistical analysis of the quotations of papers published in China Papermaking from 1991 to 1995, and proves theoretically that “Chinese papermaking” is the core periodical of papermaking technology and points out that the attenuation law of this paper obeys Ct = 374e-0 .1609t equation. The half-life of paper science journals is 7.34 years.