| Thermochemical Biomass Conversion Processes | Lifetime | 14 | CN 6 | 99.80 |
| Chemical Looping and Thermochemical Processes | Lifetime | 10 | CN 2 | 99.50 |
| Lignin and Wood Chemistry | Lifetime | 34 | CN 9 | 99.44 |
| Industrial Gas Emission Control | Lifetime | 37 | CN 13 | 99.03 |
| Catalysis for Biomass Conversion | Lifetime | 87 | CN 26 | 99.12 |
| Oil, Gas, and Environmental Issues | Lifetime | 15 | CN 3 | 98.21 |
| Iron and Steelmaking Processes | Lifetime | 142 | CN 60 | 97.70 |
| Catalysis and Hydrodesulfurization Studies | Lifetime | 416 | CN 101 | 97.87 |
| Granular flow and fluidized beds | Lifetime | 313 | CN 49 | 97.00 |
| Biochemical and biochemical processes | Lifetime | 155 | CN 13 | 95.87 |
| Zeolite Catalysis and Synthesis | Lifetime | 558 | CN 105 | 96.71 |
| Cyclone Separators and Fluid Dynamics | Lifetime | 438 | CN 112 | 94.67 |
| Biodiesel Production and Applications | Lifetime | 938 | CN 147 | 94.78 |
| Coal and Its By-products | Lifetime | 441 | CN 158 | 94.37 |
| Catalysts for Methane Reforming | Lifetime | 899 | CN 261 | 95.00 |
| Advancements in Solid Oxide Fuel Cells | Lifetime | 852 | CN 250 | 94.38 |
| Subcritical and Supercritical Water Processes | Lifetime | 400 | CN 117 | 88.99 |
| Chemical Looping and Thermochemical Processes | 2021-2025 | 36 | CN 25 | 96.62 |
| Catalysis and Hydrodesulfurization Studies | 2021-2025 | 199 | CN 120 | 95.65 |
| Catalytic Processes in Materials Science | 2021-2025 | 695 | CN 525 | 96.59 |
| Lignin and Wood Chemistry | 2021-2025 | 174 | CN 115 | 95.59 |
| Catalysis for Biomass Conversion | 2021-2025 | 206 | CN 139 | 94.93 |
| Thermochemical Biomass Conversion Processes | 2021-2025 | 271 | CN 148 | 95.76 |
| Ammonia Synthesis and Nitrogen Reduction | 2021-2025 | 410 | CN 323 | 93.13 |
| Biochemical and biochemical processes | 2021-2025 | 58 | CN 27 | 89.41 |
| Advancements in Solid Oxide Fuel Cells | 2021-2025 | 328 | CN 208 | 91.72 |
| Industrial Gas Emission Control | 2021-2025 | 216 | CN 166 | 87.04 |
| Carbon Dioxide Capture Technologies | 2021-2025 | 677 | CN 264 | 86.57 |
| Enzyme-mediated dye degradation | 2021-2025 | 429 | CN 122 | 73.65 |
| Oil, Gas, and Environmental Issues | 2021-2025 | 268 | CN 38 | 43.21 |