Selection and Identification of Key Fields of Science and Technology in Major Countries of the World postprint

Abstract: [Purpose/significance] Exploring innovative qualitative and quantitative methodology can provide reliable basis for selection and identification of key fields of science and technology in countries. Comprehensive view and analysis data can provide some reference to support decision-making of the key fields of science and technology in China.[Method/process] Firstly three select criteria of the key fields of science and technology were determined, which included research achievements, research input and science and technology planning. Then the comprehensive analysis of indicators and their weights were designed. The sum of the ranks for the above mentioned three criteria was calculated by extreme standardization method.[Result/conclusion]The top 10 key fields of science and technology in major countries of the world were selected and compared with each other and China. The conclusion can provide some reference for the key field layout of science and technology in China.