关键词: 大数据, 人工智能, 人机结合, 数据分析, 文本分析, 科技趋势

Abstract: This paper used R language + Excel,and data cleaning,data merging,data pivoting,text analysis,correlation analysis,expert analysis and other operations to analyze 4 410 patents downloaded from CNKI from the beginning of 2019 to the end of 2021,focusing on 958 patents of 17 typical units.These patents belonged to 12-sub items with the main classification of C04B35.It was interpreted from the perspectives of patent category,country and applicant,hot words,service industry and technical characteristics.It is found that:(1)China has become a leader to promote the development of refractory technology;(2)the high-temperature ceramic technology providers such as the Chinese Academy of Sciences,the integrated refractory application technology provider such as Wuhan University of Science and Technology,the professional refractory technology providers such as Beijing Lirr High Temperature Materials Co.,Ltd.have become the leaders in China;(3)through the science conrergence,the technology integration,and the great combination of technology and markets,China’s refractory industry is breaking through the bottleneck and undergoing upgrading.

Key words: big data, artificial intelligence, human-machine integration, data analysis, text analysis, technology trends