Plastics 617 Biotechnology 560 Injection molding of plastics 462 Chemical engineering 397 Bioprocess Engineering 373 Biodiesel fuels 350 Food 349 Biomass energy 288 Food industry and trade 286 Chemical processes 285 Polymers 271 Industrial applications 215 Molding 213 Safety measures 207 Biochemical engineering 194 Chemical process control 188 Refrigeration and refrigerating machinery 184 Analysis 172 Ceramics 166 Polypropylene 152 Chemical plants 141 Testing 141 Equipment and supplies 131 Environmental aspects 122 Packaging 122 Bioprosess engineering 120 Composite materials 120 Mechanical properties 107 Hydrogen as fuel 105 Air conditioning 103