基于关键词统计的我国专利文献研究现状与趋势
首发时间:2012-12-28
摘要:专利文献汇集了人类的发明创造和研究成果,记载了发明思想和技术难题的解决方案, 而且不断反映各种技术领域最新科技成果,为科研人员学习借鉴世界各国的先进技术提供了主要的参考依据,使科研工作少走弯路。通过查阅专利文献可以了解国内外现有技术所处的阶段,未来的发展方向以及新技术涉及的关联领域。本文统计2001-2011年的核心期刊专利论文,并对所提取有效关键词进行统计分析,以此为依据对我国专利论文的发展现状、趋势及规律进行了分析讨论。
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Based on the keyword statistics of China's patent literature research present situation and development trend
Abstract:The patent literature has a collection of human inventions and research results. It records the solution of inventive ideas and technical problems, and continues to reflect the latest scientific and technological achievements of the various technical fields. It provides the main reference for researchers to learn from the world's advanced technology. By searching for patent documents, we can understand the existing technology at home and abroad, the future direction of development and the association field involved by new technologies. This article statistics the patent papers from 2001 to 2011 in core journals, and extracts effective keywords for statistical analysis. Then it analyzes and discusses the current development, trends and laws of patent papers in China.
Keywords: information keywords statistics frequency distribution research theme development rule
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