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中国科技论文与引文数据库所收录的论文来自约2 000种中国科技核心期刊。从2012年开始,对中国科技核心期刊所刊载的文献进行了更详细的分类标引,共分为“论著”“综述和评论”“短篇论文和研究快报”“工业工程设计”“研究材料和标准文献”“交流材料”“书评”“社论”“消息动态”“译文”“文摘和其他”等11类文献类型。通过统计分析发现:“论著”类型的论文是份额最大的文献类型,且保持着持续增长的态势;“综述和评论”文献被引用规模比较大,被引用速度也比较快,但是从文献数量上看,在全部文献中所占比例比较少,且数量规模也相对稳定;“短篇论文和研究快报”类文献被引用的规模和比例与“论著”类型文献差距较大;“交流材料”类文献所产生的学术影响很小,约6成在发表之后3年内不会得到引用。
The papers included in the Chinese scientific papers and citation databases come from about 2,000 core journals of Chinese science and technology. Since 2012, more detailed classification and indexing has been carried out on the documents published in the core journals of science and technology in China, which are divided into “short papers” and “research reviews” Engineering Design “” Research Materials and Standards “” Communication Materials “” Book Review “” Editorial “” News “” Translation “” Abstracts and Other “and other 11 categories Document type. Through statistical analysis, it is found that the papers of the ”treatise“ type are the largest types of articles and maintain the trend of continuous growth; the literature of ”review and comment“ is quoted in a relatively large scale and relatively fast in reference, From the number of literatures, the proportion in the whole literature is relatively small, and the quantity and scale are also relatively stable. The difference between the quoted scale and proportion of ”short essays and research papers“ and ”type of literature“ Large; ”academic" literatures have little academic impact, and about 60% will not be cited within 3 years after their publication.