| Engineering, Technology and Energy | 2021-2025 | 332 | CN 202 | 99.91 |
| Environmental Science and Ecology | 2021-2025 | 425 | CN 202 | 99.62 |
| Materials Science | 2021-2025 | 862 | CN 558 | 98.36 |
| Biomedical Engineering | Lifetime | 232 | CN 64 | 99.68 |
| Industrial Environmental Engineering | Lifetime | 200 | CN 48 | 98.46 |
| Water Science and Technology | Lifetime | 742 | CN 206 | 97.26 |
| Catalysis | Lifetime | 430 | CN 109 | 92.13 |
| Biomedical Engineering | 2021-2025 | 31 | CN 18 | 99.87 |
| Industrial Environmental Engineering | 2021-2025 | 16 | CN 7 | 99.38 |
| Water Science and Technology | 2021-2025 | 156 | CN 75 | 98.44 |
| Materials Chemistry | 2021-2025 | 851 | CN 527 | 95.80 |
| Mechanical Engineering | 2021-2025 | 680 | CN 384 | 95.20 |
| Renewable Energy, Sustainability and the Environment | 2021-2025 | 729 | CN 450 | 93.22 |
| Catalysis | 2021-2025 | 316 | CN 177 | 80.99 |
| Thermochemical Biomass Conversion Processes | Lifetime | 25 | CN 8 | 99.70 |
| Biodiesel Production and Applications | Lifetime | 50 | CN 6 | 99.49 |
| Catalysis and Hydrodesulfurization Studies | Lifetime | 98 | CN 19 | 99.28 |
| Coal and Its By-products | Lifetime | 116 | CN 41 | 97.83 |
| Recycling and Waste Management Techniques | Lifetime | 307 | CN 77 | 97.67 |
| Subcritical and Supercritical Water Processes | Lifetime | 61 | CN 14 | 97.48 |
| Lignin and Wood Chemistry | Lifetime | 284 | CN 72 | 97.68 |
| Catalysts for Methane Reforming | Lifetime | 325 | CN 87 | 97.73 |
| Municipal Solid Waste Management | Lifetime | 143 | CN 36 | 97.16 |
| Adsorption and biosorption for pollutant removal | Lifetime | 581 | CN 187 | 97.32 |
| Catalysis for Biomass Conversion | Lifetime | 559 | CN 188 | 96.37 |
| Phosphorus and nutrient management | Lifetime | 479 | CN 114 | 95.24 |
| Energy and Environment Impacts | Lifetime | 878 | CN 121 | 94.09 |
| Lubricants and Their Additives | Lifetime | 599 | CN 161 | 93.96 |
| Industrial Gas Emission Control | Lifetime | 578 | CN 239 | 93.00 |
| Coal Combustion and Slurry Processing | Lifetime | 511 | CN 128 | 91.59 |
| Chemical Looping and Thermochemical Processes | Lifetime | 443 | CN 149 | 92.60 |
| Thermochemical Biomass Conversion Processes | 2021-2025 | 3 | CN 2 | 99.82 |
| Catalysis and Hydrodesulfurization Studies | 2021-2025 | 18 | CN 12 | 99.00 |
| Recycling and Waste Management Techniques | 2021-2025 | 59 | CN 22 | 98.60 |
| Phosphorus and nutrient management | 2021-2025 | 26 | CN 16 | 97.02 |
| Catalytic Processes in Materials Science | 2021-2025 | 249 | CN 187 | 98.43 |
| Coal and Its By-products | 2021-2025 | 26 | CN 24 | 96.95 |
| Municipal Solid Waste Management | 2021-2025 | 43 | CN 14 | 97.25 |
| Advanced oxidation water treatment | 2021-2025 | 201 | CN 154 | 96.49 |
| Biodiesel Production and Applications | 2021-2025 | 187 | CN 26 | 95.76 |
| Industrial Gas Emission Control | 2021-2025 | 68 | CN 56 | 93.98 |
| Thermal and Kinetic Analysis | 2021-2025 | 108 | CN 63 | 94.38 |
| Adsorption and biosorption for pollutant removal | 2021-2025 | 506 | CN 133 | 94.14 |
| Catalysis and Oxidation Reactions | 2021-2025 | 419 | CN 289 | 93.67 |
| Catalysts for Methane Reforming | 2021-2025 | 379 | CN 198 | 92.09 |
| Subcritical and Supercritical Water Processes | 2021-2025 | 56 | CN 40 | 90.45 |
| Lignin and Wood Chemistry | 2021-2025 | 405 | CN 268 | 91.73 |
| Petroleum Processing and Analysis | 2021-2025 | 290 | CN 131 | 90.33 |
| Flame retardant materials and properties | 2021-2025 | 274 | CN 228 | 90.91 |
| Environmental remediation with nanomaterials | 2021-2025 | 401 | CN 323 | 88.34 |
| Chemical Looping and Thermochemical Processes | 2021-2025 | 324 | CN 186 | 84.88 |
| Catalysis for Biomass Conversion | 2021-2025 | 979 | CN 599 | 84.02 |
| Biochemical effects in animals | 2021-2025 | 699 | CN 377 | 73.08 |
| Clay minerals and soil interactions | 2021-2025 | 665 | CN 251 | 73.19 |
| Constructed Wetlands for Wastewater Treatment | 2021-2025 | 881 | CN 489 | 73.25 |
| Heat transfer and supercritical fluids | 2021-2025 | 841 | CN 505 | 66.55 |
| Bioenergy crop production and management | 2021-2025 | 919 | CN 179 | 59.25 |
| Polymer Science and PVC | 2021-2025 | 246 | CN 101 | 50.02 |