Chemistry, Technical Industrial Chemistry 1,447 Physical Chemistry 225 Physical chemistry 225 Biotechnology 218 Polymers 189 Characterization and Analytical Technique 172 Materials—Analysis 172 Chemistry, Organic 170 Organic Chemistry 169 Thermodynamics 132 Control engineering 116 Industrial and Production Engineering 110 Industrial engineering 110 Production engineering 110 Catalysis 101 Condensed matter 101 Engineering Thermodynamics, Heat and Mass Transfer 97 Heat engineering 97 Heat transfer 97 Mass transfer 97 Condensed Matter Physics 95 Pollution 95 Analytical Chemistry 93 Analytical chemistry 92 Machines, Tools, Processes 88 Manufactures 88 Control and Systems Theory 81 Inorganic Chemistry 78 Inorganic chemistry 78