| Environmental Science and Ecology | Lifetime | 5 | US 3 | 100.00 |
| Engineering, Technology and Energy | Lifetime | 674 | US 183 | 99.89 |
| Environmental Science and Ecology | 2021-2025 | 71 | US 9 | 99.93 |
| Engineering, Technology and Energy | 2021-2025 | 815 | US 47 | 99.78 |
| Water Science and Technology | Lifetime | 1 | US 1 | 100.00 |
| Biomedical Engineering | Lifetime | 15 | US 11 | 99.97 |
| Physical and Theoretical Chemistry | Lifetime | 163 | US 81 | 98.81 |
| Environmental Engineering | Lifetime | 241 | US 79 | 98.82 |
| Renewable Energy, Sustainability and the Environment | Lifetime | 418 | US 50 | 98.88 |
| Ocean Engineering | Lifetime | 436 | US 149 | 97.89 |
| Surfaces, Coatings and Thin Films | Lifetime | 475 | US 143 | 92.78 |
| Water Science and Technology | 2021-2025 | 6 | US 2 | 99.95 |
| Biomedical Engineering | 2021-2025 | 51 | US 4 | 99.81 |
| Mechanical Engineering | 2021-2025 | 603 | US 47 | 96.00 |
| Membrane Separation Technologies | Lifetime | 1 | US 1 | 99.99 |
| Membrane-based Ion Separation Techniques | Lifetime | 1 | US 1 | 99.99 |
| Nanopore and Nanochannel Transport Studies | Lifetime | 1 | US 1 | 99.98 |
| Solar-Powered Water Purification Methods | Lifetime | 1 | US 1 | 99.90 |
| Graphene and Nanomaterials Applications | Lifetime | 4 | US 1 | 99.93 |
| Electrostatics and Colloid Interactions | Lifetime | 2 | US 2 | 99.72 |
| Fecal contamination and water quality | Lifetime | 2 | US 2 | 99.85 |
| Fuel Cells and Related Materials | Lifetime | 29 | US 8 | 99.80 |
| Nanoparticles: synthesis and applications | Lifetime | 24 | US 11 | 99.71 |
| Electrohydrodynamics and Fluid Dynamics | Lifetime | 39 | US 16 | 99.22 |
| Groundwater flow and contamination studies | Lifetime | 81 | US 42 | 99.20 |
| Membrane Separation and Gas Transport | Lifetime | 76 | US 11 | 99.12 |
| Extraction and Separation Processes | Lifetime | 198 | US 24 | 98.59 |
| Polymer Surface Interaction Studies | Lifetime | 130 | US 44 | 98.95 |
| Particle Dynamics in Fluid Flows | Lifetime | 168 | US 70 | 98.37 |
| Aerosol Filtration and Electrostatic Precipitation | Lifetime | 294 | US 68 | 96.27 |
| Water-Energy-Food Nexus Studies | Lifetime | 234 | US 61 | 96.35 |
| Water Treatment and Disinfection | Lifetime | 385 | US 102 | 96.65 |
| Carbon Nanotubes in Composites | Lifetime | 964 | US 250 | 96.34 |
| Microplastics and Plastic Pollution | Lifetime | 865 | US 82 | 95.61 |
| Coagulation and Flocculation Studies | Lifetime | 109 | US 19 | 95.53 |
| Bacterial biofilms and quorum sensing | Lifetime | 876 | US 290 | 95.55 |
| Microfluidic and Bio-sensing Technologies | Lifetime | 924 | US 315 | 95.11 |
| Environmental remediation with nanomaterials | Lifetime | 463 | US 70 | 95.15 |
| Urban Stormwater Management Solutions | Lifetime | 520 | US 183 | 92.88 |
| Wastewater Treatment and Reuse | Lifetime | 535 | US 94 | 92.13 |
| Nanotechnology research and applications | Lifetime | 254 | US 74 | 90.55 |
| Antimicrobial agents and applications | Lifetime | 670 | US 115 | 87.80 |
| Membrane Separation Technologies | 2021-2025 | 1 | US 1 | 99.90 |
| Membrane-based Ion Separation Techniques | 2021-2025 | 2 | US 1 | 99.92 |
| Nanopore and Nanochannel Transport Studies | 2021-2025 | 2 | US 1 | 99.81 |
| Fuel Cells and Related Materials | 2021-2025 | 136 | US 9 | 98.41 |
| Membrane Separation and Gas Transport | 2021-2025 | 46 | US 3 | 98.10 |
| Solar-Powered Water Purification Methods | 2021-2025 | 335 | US 17 | 92.00 |
| Water Treatment and Disinfection | 2021-2025 | 323 | US 27 | 88.90 |
| Environmental remediation with nanomaterials | 2021-2025 | 522 | US 15 | 85.51 |
| Calcium Carbonate Crystallization and Inhibition | 2021-2025 | 232 | US 24 | 83.58 |
| Electrostatics and Colloid Interactions | 2021-2025 | 589 | US 142 | 44.23 |
