| Environmental Science and Ecology | Lifetime | 46 | US 18 | 99.98 |
| Engineering, Technology and Energy | Lifetime | 656 | US 179 | 99.89 |
| Materials Science | Lifetime | 197 | US 66 | 99.92 |
| Chemistry | Lifetime | 965 | US 343 | 99.26 |
| Environmental Science and Ecology | 2021-2025 | 53 | US 7 | 99.94 |
| Materials Science | 2021-2025 | 110 | US 8 | 99.83 |
| Engineering, Technology and Energy | 2021-2025 | 705 | US 41 | 99.82 |
| Chemistry | 2021-2025 | 716 | US 89 | 95.44 |
| Water Science and Technology | Lifetime | 3 | US 3 | 99.99 |
| Renewable Energy, Sustainability and the Environment | Lifetime | 35 | US 7 | 99.93 |
| Materials Chemistry | Lifetime | 97 | US 34 | 99.92 |
| Industrial Environmental Engineering | Lifetime | 100 | US 17 | 99.27 |
| Nanoscience and Nanotechnology | Lifetime | 20 | US 9 | 99.50 |
| Catalysis | Lifetime | 69 | US 23 | 98.65 |
| Chemical Synthesis and Catalysis | Lifetime | 445 | US 112 | 97.31 |
| Water Science and Technology | 2021-2025 | 5 | US 1 | 99.95 |
| Renewable Energy, Sustainability and the Environment | 2021-2025 | 12 | US 1 | 99.92 |
| Materials Chemistry | 2021-2025 | 38 | US 3 | 99.84 |
| Nanoscience and Nanotechnology | 2021-2025 | 16 | US 1 | 95.85 |
| Industrial Environmental Engineering | 2021-2025 | 185 | US 10 | 93.99 |
| Pollution | 2021-2025 | 337 | US 14 | 93.30 |
| Organic Chemistry | 2021-2025 | 636 | US 84 | 82.61 |
| Advanced Photocatalysis Techniques | Lifetime | 6 | US 2 | 99.98 |
| Catalytic Processes in Materials Science | Lifetime | 9 | US 3 | 99.96 |
| Advanced oxidation water treatment | Lifetime | 2 | US 2 | 99.97 |
| Adsorption and biosorption for pollutant removal | Lifetime | 6 | US 2 | 99.95 |
| Nanomaterials for catalytic reactions | Lifetime | 9 | US 3 | 99.95 |
| Environmental remediation with nanomaterials | Lifetime | 8 | US 4 | 99.82 |
| Gas Sensing Nanomaterials and Sensors | Lifetime | 124 | US 10 | 99.53 |
| TiO2 Photocatalysis and Solar Cells | Lifetime | 74 | US 9 | 99.56 |
| Catalysis and Oxidation Reactions | Lifetime | 114 | US 40 | 99.46 |
| Covalent Organic Framework Applications | Lifetime | 72 | US 17 | 99.44 |
| Phosphorus and nutrient management | Lifetime | 50 | US 11 | 99.15 |
| Copper-based nanomaterials and applications | Lifetime | 167 | US 26 | 99.17 |
| Graphene and Nanomaterials Applications | Lifetime | 161 | US 24 | 98.91 |
| Electrocatalysts for Energy Conversion | Lifetime | 461 | US 85 | 99.10 |
| Industrial Gas Emission Control | Lifetime | 78 | US 12 | 98.21 |
| Metal-Organic Frameworks: Synthesis and Applications | Lifetime | 381 | US 55 | 98.74 |
| Arsenic contamination and mitigation | Lifetime | 129 | US 29 | 98.19 |
| Advanced Nanomaterials in Catalysis | Lifetime | 343 | US 22 | 98.44 |
| Graphene research and applications | Lifetime | 685 | US 159 | 98.43 |
| Zeolite Catalysis and Synthesis | Lifetime | 325 | US 62 | 97.82 |
| Catalysts for Methane Reforming | Lifetime | 311 | US 41 | 97.83 |
| Carbon and Quantum Dots Applications | Lifetime | 292 | US 12 | 96.44 |
| Ammonia Synthesis and Nitrogen Reduction | Lifetime | 577 | US 88 | 95.86 |
| Layered Double Hydroxides Synthesis and Applications | Lifetime | 333 | US 23 | 94.92 |
| Water Quality Monitoring and Analysis | Lifetime | 916 | US 153 | 94.94 |
| Coal and Its By-products | Lifetime | 573 | US 89 | 93.06 |
| Recycling and utilization of industrial and municipal waste in materials production | Lifetime | 884 | US 75 | 92.73 |
| Bauxite Residue and Utilization | Lifetime | 331 | US 23 | 89.61 |
| Solar-Powered Water Purification Methods | Lifetime | 905 | US 73 | 90.29 |
| Advanced Photocatalysis Techniques | 2021-2025 | 4 | US 1 | 99.98 |
| Advanced oxidation water treatment | 2021-2025 | 2 | US 1 | 99.97 |
| Catalytic Processes in Materials Science | 2021-2025 | 17 | US 1 | 99.79 |
| Nanomaterials for catalytic reactions | 2021-2025 | 42 | US 1 | 98.94 |
| TiO2 Photocatalysis and Solar Cells | 2021-2025 | 26 | US 1 | 98.64 |
| Industrial Gas Emission Control | 2021-2025 | 12 | US 1 | 98.19 |
| Advanced Nanomaterials in Catalysis | 2021-2025 | 104 | US 2 | 98.63 |
| Environmental remediation with nanomaterials | 2021-2025 | 28 | US 3 | 98.58 |
| Gas Sensing Nanomaterials and Sensors | 2021-2025 | 170 | US 10 | 98.23 |
| Electrocatalysts for Energy Conversion | 2021-2025 | 287 | US 9 | 98.82 |
| Copper-based nanomaterials and applications | 2021-2025 | 145 | US 3 | 97.32 |
| Covalent Organic Framework Applications | 2021-2025 | 187 | US 8 | 97.52 |
| Microplastics and Plastic Pollution | 2021-2025 | 364 | US 22 | 96.27 |
| Recycling and Waste Management Techniques | 2021-2025 | 318 | US 24 | 95.62 |
| Carbon and Quantum Dots Applications | 2021-2025 | 391 | US 13 | 91.57 |
| Arsenic contamination and mitigation | 2021-2025 | 809 | US 51 | 77.29 |
| Layered Double Hydroxides Synthesis and Applications | 2021-2025 | 779 | US 19 | 69.72 |
