| Wastewater Treatment and Nitrogen Removal | Lifetime | 24 | CN 8 | 99.82 |
| Anaerobic Digestion and Biogas Production | Lifetime | 25 | CN 6 | 99.64 |
| Advanced Photocatalysis Techniques | Lifetime | 296 | CN 193 | 99.51 |
| Constructed Wetlands for Wastewater Treatment | Lifetime | 48 | CN 17 | 98.83 |
| Phosphorus and nutrient management | Lifetime | 74 | CN 14 | 98.81 |
| Membrane Separation Technologies | Lifetime | 180 | CN 69 | 98.97 |
| Microbial Fuel Cells and Bioremediation | Lifetime | 96 | CN 37 | 98.73 |
| Environmental remediation with nanomaterials | Lifetime | 110 | CN 54 | 98.54 |
| Advanced oxidation water treatment | Lifetime | 208 | CN 84 | 98.32 |
| Gas Sensing Nanomaterials and Sensors | Lifetime | 811 | CN 421 | 98.05 |
| Ga2O3 and related materials | Lifetime | 347 | CN 102 | 97.67 |
| Advanced Nanomaterials in Catalysis | Lifetime | 716 | CN 498 | 97.11 |
| Covalent Organic Framework Applications | Lifetime | 733 | CN 449 | 96.16 |
| Microplastics and Plastic Pollution | Lifetime | 882 | CN 260 | 95.53 |
| Pharmaceutical and Antibiotic Environmental Impacts | Lifetime | 945 | CN 252 | 96.23 |
| Coagulation and Flocculation Studies | Lifetime | 123 | CN 32 | 95.14 |
| Water Treatment and Disinfection | Lifetime | 490 | CN 140 | 95.92 |
| Chemical Analysis and Environmental Impact | Lifetime | 454 | CN 66 | 82.53 |
| Healthcare and Environmental Waste Management | Lifetime | 896 | CN 64 | 75.59 |
| Advanced Photocatalysis Techniques | 2021-2025 | 137 | CN 102 | 99.55 |
| Anaerobic Digestion and Biogas Production | 2021-2025 | 18 | CN 10 | 99.03 |
| Wastewater Treatment and Nitrogen Removal | 2021-2025 | 32 | CN 26 | 98.83 |
| Advanced Semiconductor Detectors and Materials | 2021-2025 | 15 | CN 9 | 96.68 |
| Ga2O3 and related materials | 2021-2025 | 79 | CN 51 | 97.15 |
| Advanced oxidation water treatment | 2021-2025 | 151 | CN 112 | 97.17 |
| 2D Materials and Applications | 2021-2025 | 379 | CN 227 | 96.19 |
| Pharmaceutical and Antibiotic Environmental Impacts | 2021-2025 | 211 | CN 138 | 96.51 |
| Gas Sensing Nanomaterials and Sensors | 2021-2025 | 595 | CN 387 | 95.46 |
| Environmental remediation with nanomaterials | 2021-2025 | 115 | CN 97 | 95.07 |
| Membrane Separation Technologies | 2021-2025 | 370 | CN 204 | 95.81 |
| ZnO doping and properties | 2021-2025 | 525 | CN 203 | 93.41 |
| Covalent Organic Framework Applications | 2021-2025 | 974 | CN 736 | 90.98 |
| Phosphorus and nutrient management | 2021-2025 | 294 | CN 155 | 87.82 |
| Coagulation and Flocculation Studies | 2021-2025 | 58 | CN 31 | 83.86 |
| Constructed Wetlands for Wastewater Treatment | 2021-2025 | 346 | CN 207 | 86.04 |
| Semiconductor Quantum Structures and Devices | 2021-2025 | 616 | CN 165 | 85.20 |
| Microbial Fuel Cells and Bioremediation | 2021-2025 | 661 | CN 394 | 84.72 |
| Arsenic contamination and mitigation | 2021-2025 | 667 | CN 417 | 79.61 |
| Wastewater Treatment and Reuse | 2021-2025 | 415 | CN 50 | 74.51 |
| Microbial bioremediation and biosurfactants | 2021-2025 | 581 | CN 243 | 75.41 |
| Food Waste Reduction and Sustainability | 2021-2025 | 692 | CN 47 | 73.32 |
| Crystallization and Solubility Studies | 2021-2025 | 723 | CN 247 | 71.68 |
| Polyamine Metabolism and Applications | 2021-2025 | 513 | CN 236 | 61.92 |
| Odor and Emission Control Technologies | 2021-2025 | 693 | CN 300 | 47.69 |
