| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Pollution | 53 | 3,181 | 1.4K | 1.1K |
| 2 | Chemistry | 128 | 2,127 | 2.2K | 3.3K |
| 3 | environmental protection | 23 | 1,731 | 1.1K | 664 |
| 4 | Environmental Health | 30 | 1,713 | 2.0K | 1.5K |
| 5 | Ecology | 40 | 1,613 | 2.1K | 2.2K |
| 6 | Renewable Energy Sources | 13 | 1,555 | 720 | 460 |
| 7 | Science | 58 | 1,432 | 3.7K | 5.4K |
| 8 | environmental pollution | 22 | 1,372 | 1.7K | 1.2K |
| 9 | Environmental Toxicology | 13 | 1,285 | 1.2K | 634 |
| 10 | Environmental pollutants | 11 | 1,200 | 1.2K | 468 |
| 11 | Toxicology | 12 | 1,149 | 3.0K | 1.5K |
| 12 | pollutants | 10 | 1,115 | 1.0K | 429 |
| 12 | environmental exposure | 10 | 1,115 | 1.1K | 320 |
| 14 | Biochemistry | 43 | 991 | 3.6K | 3.8K |
| 15 | Environmental monitoring | 24 | 981 | 1.3K | 1.2K |
| 16 | Radiation | 5 | 961 | 1.7K | 291 |
| 17 | Environmental Management | 8 | 941 | 1.7K | 814 |
| 18 | Nanotechnology | 54 | 933 | 1.5K | 2.2K |
| 19 | Medicine | 58 | 906 | 3.8K | 5.6K |
| 20 | Mineral resources | 3 | 900 | 119 | 12 |
| 21 | Environment | 20 | 881 | 2.3K | 2.7K |
| 22 | Biotechnology | 57 | 852 | 1.7K | 3.1K |
| 23 | Physics | 60 | 791 | 3.3K | 6.1K |
| 24 | nanoscience | 38 | 745 | 923 | 1.4K |
| 25 | Artificial Intelligence | 18 | 649 | 1.8K | 1.3K |
| 26 | Green Chemistry | 5 | 632 | 1.7K | 902 |
| 27 | Energy Storage | 5 | 619 | 1.1K | 414 |
| 28 | Analytical Chemistry | 18 | 592 | 2.4K | 2.1K |
| 29 | Neural circuitry | 10 | 564 | 778 | 477 |
| 30 | lasers | 54 | 532 | 340 | 551 |
| 31 | Optics | 55 | 523 | 1.3K | 1.7K |
| 32 | Biology | 41 | 506 | 4.2K | 7.4K |
| 33 | Research | 54 | 503 | 3.1K | 5.6K |
| 34 | Microscopy | 9 | 478 | 1.3K | 453 |
| 35 | Quantum electronics | 49 | 475 | 286 | 475 |
| 35 | Optoelectronic devices | 49 | 475 | 53 | 77 |
| 37 | Pharmacology | 12 | 452 | 3.6K | 3.1K |
| 38 | Environmental Engineering | 15 | 446 | 2.0K | 2.1K |
| 39 | Bioorganic chemistry | 16 | 443 | 1.4K | 1.4K |
| 40 | Catalysis | 5 | 415 | 3.0K | 2.0K |
| 41 | Organometallic chemistry | 13 | 411 | 796 | 504 |
| 42 | Chemical Engineering | 9 | 407 | 2.9K | 2.3K |
| 43 | Environmental Policy | 9 | 388 | 1.8K | 1.8K |
| 44 | Environmental Chemistry | 10 | 370 | 1.4K | 1.5K |
| 45 | Biomass Energy | 24 | 336 | 668 | 1.4K |
| 46 | Plant physiology | 5 | 330 | 1.8K | 1.5K |
| 47 | Mathematics | 30 | 312 | 2.6K | 2.3K |
| 48 | Water pollution | 6 | 308 | 2.1K | 1.6K |
| 49 | Molecular Biology | 24 | 306 | 4.3K | 6.5K |
| 50 | Engineering | 22 | 304 | 1.6K | 1.8K |
| 51 | management | 7 | 303 | 2.2K | 1.5K |
| 52 | Health Services Administration | 3 | 296 | 1.5K | 570 |
| 53 | Pharmaceutical Chemistry | 11 | 288 | 2.7K | 2.9K |
| 53 | Organometallic compounds | 8 | 288 | 896 | 694 |
| 55 | Biochemical Engineering | 4 | 275 | 2.6K | 2.6K |
| 56 | planning | 3 | 272 | 617 | 137 |
| 57 | complementary therapies | 12 | 265 | 1.1K | 992 |
| 57 | Earth Sciences | 18 | 265 | 1.4K | 1.7K |
| 59 | Bioremediation | 3 | 264 | 642 | 230 |
| 60 | Sustainable Development | 8 | 257 | 1.1K | 1.1K |
| 61 | Alternative Medicine | 10 | 256 | 1.1K | 1.0K |
| 62 | radioactive waste | 2 | 248 | 930 | 594 |
| 62 | industrial waste | 2 | 248 | 1.0K | 601 |
| 62 | Hazardous waste | 2 | 248 | 1.2K | 642 |
| 65 | energy conservation | 6 | 246 | 1.2K | 1.1K |
| 65 | Agriculture | 6 | 246 | 1.9K | 1.3K |
| 67 | health planning | 4 | 231 | 1.6K | 731 |
| 68 | Botany | 19 | 220 | 2.0K | 3.0K |
| 68 | Nanochemistry | 5 | 220 | 1.0K | 440 |
| 70 | Microbiology | 9 | 215 | 5.4K | 6.2K |
| 71 | Water | 6 | 211 | 1.6K | 1.8K |
| 72 | Horticulture | 2 | 203 | 1.2K | 351 |
| 72 | Agricultural Ecology | 2 | 203 | 1.8K | 1.1K |
| 74 | Biomedical Engineering | 11 | 202 | 3.4K | 3.9K |
| 75 | Engineering Mathematics | 21 | 201 | 959 | 1.1K |
| 76 | Statistical physics | 17 | 196 | 2.0K | 2.4K |
| 77 | Technology | 20 | 188 | 1.7K | 2.8K |
| 78 | Condensed Matter | 15 | 181 | 2.2K | 2.5K |
| 79 | Physical Chemistry | 15 | 178 | 1.4K | 2.0K |
| 80 | biomedicine | 4 | 177 | 996 | 585 |
| 81 | Phytochemistry | 3 | 170 | 309 | 144 |
| 81 | Phytoremediation | 3 | 170 | 309 | 144 |
| 81 | environmental remediation | 3 | 170 | 394 | 173 |
| 81 | Bioreactors | 3 | 170 | 309 | 144 |
| 85 | Enzyme inhibitors | 6 | 162 | 247 | 211 |
| 85 | drugs | 6 | 162 | 1.7K | 1.5K |
| 87 | Energy Policy | 4 | 160 | 1.6K | 1.6K |
| 88 | Materials | 9 | 158 | 4.2K | 4.8K |
| 89 | Pharmacy | 3 | 152 | 2.5K | 1.9K |
| 90 | Social Sciences | 18 | 151 | 1.6K | 2.0K |
| 91 | Sociology | 12 | 148 | 1.6K | 2.1K |
| 92 | Physical organic chemistry | 3 | 141 | 1.7K | 1.1K |
| 93 | Industrial Microbiology | 4 | 138 | 2.1K | 2.2K |
| 94 | United States | 4 | 135 | 6.4K | 4.6K |
| 95 | Educational Technology | 1 | 131 | 3.0K | 994 |
| 95 | Biotransformation | 1 | 131 | 327 | 37 |
| 95 | enzymes | 1 | 131 | 2.5K | 1.2K |
| 98 | Nanostructures | 6 | 126 | 1.7K | 2.1K |
| 99 | Organic Chemistry | 4 | 124 | 3.2K | 2.8K |
| 99 | Clinical Chemistry | 4 | 124 | 3.1K | 3.2K |
| 101 | Bioengineering | 11 | 122 | 2.8K | 4.9K |
| 102 | Mobile Computing | 5 | 120 | 978 | 822 |
| 102 | Catalysts | 2 | 120 | 965 | 531 |
| 104 | Animal breeding | 4 | 119 | 665 | 551 |
| 104 | Reproduction | 4 | 119 | 2.6K | 2.4K |
| 104 | Breeding | 4 | 119 | 1.3K | 1.3K |
| 107 | Malaria | 4 | 117 | 783 | 739 |
| 108 | Cloud Computing | 1 | 113 | 750 | 198 |
| 108 | Polymers | 6 | 113 | 4.1K | 4.1K |
| 110 | Spectrum analysis | 7 | 111 | 3.2K | 3.7K |
| 110 | polymerization | 5 | 111 | 3.7K | 3.4K |
| 112 | Numerical Analysis | 11 | 110 | 1.3K | 1.5K |
| 112 | Molecules | 11 | 110 | 877 | 1.2K |
| 114 | Geophysics | 5 | 109 | 3.2K | 3.3K |
| 114 | Computational Biology | 10 | 109 | 2.1K | 3.3K |
| 114 | Human-Computer Interaction | 4 | 109 | 1.5K | 1.3K |
| 117 | Colloids | 7 | 107 | 2.6K | 3.6K |
| 118 | Raman spectroscopy | 5 | 106 | 578 | 670 |
| 119 | Surface Chemistry | 6 | 102 | 2.7K | 3.4K |
| 120 | hazard mitigation | 2 | 99 | 1.3K | 887 |
| 120 | natural disasters | 2 | 99 | 1.8K | 1.3K |
| 122 | Biocompatible Materials | 2 | 93 | 5.0K | 4.7K |
| 122 | Pakistan | 37 | 93 | 65 | 107 |
| 122 | Behavior | 3 | 93 | 3.7K | 3.8K |
| 125 | Zeolites | 2 | 92 | 493 | 398 |
| 126 | Semiconductors | 5 | 88 | 1.1K | 927 |
| 127 | Cytology | 5 | 87 | 4.4K | 5.6K |
| 128 | Food additives | 1 | 86 | 1.9K | 1.2K |
| 128 | food contamination | 1 | 86 | 2.2K | 917 |
| 128 | mass transfer | 2 | 86 | 1.3K | 973 |
| 131 | drug toxicity | 1 | 85 | 906 | 457 |
| 132 | Nuclear Physics | 11 | 84 | 3.0K | 3.7K |
| 132 | Medicinal plants | 8 | 84 | 778 | 1.5K |
| 132 | Leadership | 1 | 84 | 679 | 361 |
| 132 | health services | 1 | 84 | 2.4K | 1.3K |
| 136 | Oncology | 4 | 83 | 2.6K | 3.6K |
| 136 | Molecular structure | 13 | 83 | 1.0K | 2.4K |
| 138 | Multimedia Systems | 3 | 81 | 1.9K | 1.3K |
| 139 | Medical Laboratory Science | 2 | 80 | 3.4K | 3.1K |
| 139 | Water quality management | 3 | 80 | 2.3K | 2.0K |
| 139 | fuel cells | 2 | 80 | 1.8K | 1.6K |
| 139 | pigments | 1 | 80 | 736 | 370 |
| 143 | Economics | 5 | 78 | 3.8K | 3.3K |
| 144 | Energy Conversion | 1 | 76 | 2.1K | 1.7K |
| 144 | Electrochemistry | 9 | 76 | 2.4K | 3.2K |
| 144 | India | 6 | 76 | 1.5K | 987 |
| 147 | Optical materials | 3 | 75 | 2.6K | 3.0K |
| 148 | Public Policy | 2 | 74 | 2.4K | 2.0K |
| 149 | Electronics | 5 | 73 | 3.6K | 3.7K |
| 149 | economic policy | 2 | 73 | 3.3K | 1.8K |
| 151 | Virology | 5 | 72 | 3.2K | 4.9K |
| 152 | human behavior | 7 | 71 | 1.6K | 3.3K |
| 152 | Chemical structure | 4 | 71 | 454 | 336 |
| 154 | Medical Technology | 1 | 70 | 4.0K | 2.3K |
| 155 | Environmental Geochemistry | 6 | 69 | 308 | 614 |
| 155 | Minerals | 6 | 69 | 486 | 863 |
| 157 | China | 4 | 67 | 2.9K | 2.8K |
| 158 | Decision making | 2 | 65 | 2.4K | 1.8K |
| 158 | Fluorescence | 3 | 65 | 437 | 414 |
| 160 | Water chemistry | 3 | 64 | 375 | 393 |
| 161 | Computational Intelligence | 6 | 63 | 709 | 935 |
| 161 | violence | 4 | 63 | 897 | 1.1K |
| 163 | Education | 5 | 62 | 3.8K | 3.4K |
| 164 | Public Health | 2 | 61 | 9.0K | 7.7K |
| 164 | Water quality | 2 | 61 | 386 | 271 |
| 166 | Social policy | 1 | 60 | 1.8K | 903 |
| 166 | Economic planning | 1 | 60 | 690 | 457 |
| 168 | Pharmacognosy | 4 | 59 | 1.8K | 2.5K |
| 168 | Atmospheric Physics | 2 | 59 | 2.0K | 2.0K |
| 170 | Risk assessment | 4 | 58 | 551 | 661 |
| 170 | ecological risk assessment | 4 | 58 | 226 | 387 |
| 170 | Health Risk Assessment | 4 | 58 | 420 | 556 |
| 173 | Solid State Physics | 6 | 56 | 3.3K | 3.9K |
| 173 | Nanostructured Materials | 4 | 56 | 3.4K | 4.1K |
| 173 | Food | 3 | 56 | 3.8K | 4.2K |
| 176 | Molecular evolution | 3 | 55 | 1.8K | 2.5K |
| 176 | Plastics | 1 | 55 | 3.1K | 1.8K |
| 178 | Materials Engineering | 3 | 54 | 824 | 660 |
| 178 | Statistical Mechanics | 4 | 54 | 943 | 796 |
| 178 | electric vehicles | 1 | 54 | 544 | 279 |
| 178 | energy resources | 3 | 54 | 750 | 1.5K |
| 182 | Electrical Engineering | 5 | 53 | 3.5K | 3.0K |
| 182 | Petroleum Engineering | 3 | 53 | 733 | 727 |
| 184 | Mathematical Physics | 7 | 52 | 2.3K | 2.4K |
| 184 | Bioinorganic chemistry | 2 | 52 | 1.9K | 1.9K |
| 186 | Public Relations | 3 | 48 | 419 | 398 |
| 186 | Public Administration | 3 | 48 | 1.6K | 1.4K |
| 186 | crime victims | 1 | 48 | 347 | 161 |
| 186 | Aggression | 1 | 48 | 847 | 677 |
| 190 | Cell Biology | 2 | 47 | 5.9K | 6.5K |
| 191 | Mechanical Engineering | 9 | 46 | 1.7K | 2.3K |
| 191 | Intelligent Control Systems | 4 | 46 | 1.1K | 1.1K |
| 191 | Fuzzy systems | 4 | 46 | 1.6K | 1.6K |
| 194 | energy development | 2 | 45 | 1.2K | 1.3K |
| 195 | Pesticides | 1 | 44 | 1.2K | 773 |
| 196 | Solid State Chemistry | 2 | 43 | 2.4K | 2.3K |
| 196 | plant oils | 1 | 43 | 516 | 342 |
| 198 | Organizational Sociology | 1 | 42 | 613 | 436 |
| 198 | Quantum Chemistry | 8 | 42 | 600 | 1.0K |
| 198 | Bacterial infections | 3 | 42 | 1.1K | 1.9K |
| 201 | marketing | 1 | 40 | 2.7K | 2.1K |
| 202 | Mechanics | 2 | 39 | 1.8K | 1.5K |
| 203 | Inorganic Chemistry | 1 | 38 | 294 | 216 |
| 203 | Magnetic Materials | 1 | 38 | 2.6K | 2.1K |
| 205 | Materials Science | 4 | 37 | 5.0K | 6.2K |
| 205 | plant molecular biology | 6 | 37 | 1.3K | 2.9K |
| 207 | Marine Biology | 1 | 36 | 4.0K | 3.6K |
| 207 | Marine Pollution | 1 | 36 | 1.8K | 1.8K |
| 207 | Culture | 2 | 36 | 1.6K | 1.2K |
| 210 | Cognitive Science | 1 | 35 | 2.8K | 2.5K |
| 210 | Nanoparticles | 6 | 35 | 1.6K | 3.1K |
| 212 | Molecular Spectroscopy | 1 | 34 | 2.6K | 2.3K |
| 212 | machinery | 4 | 34 | 551 | 749 |
| 212 | curriculum evaluation | 1 | 34 | 259 | 211 |
| 212 | natural products | 5 | 34 | 1.8K | 2.7K |
| 212 | drug development | 1 | 34 | 2.4K | 2.7K |
| 212 | drug therapy | 1 | 34 | 4.6K | 4.2K |
| 218 | Quality of life | 2 | 33 | 2.4K | 3.0K |
| 219 | Cytogenetics | 2 | 31 | 2.5K | 3.5K |
| 220 | Emulsions | 2 | 30 | 573 | 535 |
| 220 | Plants | 4 | 30 | 2.4K | 3.6K |
| 222 | Simulation Methods | 1 | 29 | 1.0K | 627 |
| 222 | Solutions | 3 | 29 | 447 | 591 |
| 222 | Safety management | 1 | 29 | 1.4K | 855 |
| 222 | Detectors | 2 | 29 | 2.2K | 2.3K |
| 226 | Humanities | 14 | 28 | 677 | 1.8K |
| 226 | Biophysics | 3 | 28 | 7.0K | 8.5K |
| 226 | Geometry | 1 | 28 | 1.9K | 1.2K |
| 226 | Infections | 1 | 28 | 2.5K | 2.7K |
| 226 | Bioinformatics | 2 | 28 | 3.5K | 4.0K |
| 226 | Chromatographic analysis | 2 | 28 | 2.9K | 3.1K |
| 226 | Liquid chromatography | 2 | 28 | 869 | 801 |
| 233 | Bioenergetics | 1 | 26 | 1.3K | 1.6K |
| 233 | Veterinary Pathology | 2 | 26 | 537 | 577 |
| 233 | Sedimentology | 1 | 26 | 1.4K | 1.4K |
| 233 | Bioavailability | 1 | 26 | 228 | 168 |
| 233 | soil pollution | 1 | 26 | 1.3K | 1.1K |
| 233 | Tropical Medicine | 3 | 26 | 2.3K | 3.3K |
| 233 | color | 1 | 26 | 631 | 471 |
| 240 | Environmental Microbiology | 1 | 25 | 2.8K | 3.3K |
| 240 | Microbial Ecology | 1 | 25 | 4.3K | 5.0K |
| 240 | soil microbiology | 1 | 25 | 2.5K | 3.1K |
| 240 | Parasitology | 3 | 25 | 2.9K | 4.0K |
| 244 | Geriatrics | 3 | 24 | 4.1K | 5.1K |
| 244 | Dementia | 2 | 24 | 2.4K | 1.9K |
| 244 | Alzheimer's disease | 2 | 24 | 2.4K | 2.1K |
| 247 | Chemical analysis | 1 | 23 | 2.4K | 2.5K |
| 247 | biological factors | 3 | 23 | 2.6K | 3.9K |
| 247 | miniaturization | 4 | 23 | 2.1K | 3.9K |
| 250 | Histochemistry | 1 | 22 | 2.3K | 2.2K |
| 250 | crops | 1 | 22 | 345 | 277 |
| 250 | food industry | 1 | 22 | 778 | 717 |
| 253 | Arts | 6 | 21 | 318 | 503 |
| 253 | Psychology | 10 | 21 | 3.7K | 8.5K |
| 253 | Applied Mathematics | 2 | 21 | 1.5K | 1.0K |
| 253 | Biostatistics | 2 | 21 | 254 | 246 |
| 253 | Chemical processes | 1 | 21 | 1.3K | 1.3K |
| 253 | Microstructure | 2 | 21 | 738 | 890 |
| 253 | Vaccines | 1 | 21 | 3.3K | 3.5K |
| 260 | Systems Engineering | 2 | 20 | 3.1K | 3.4K |
| 260 | Business | 5 | 20 | 1.7K | 2.9K |
| 260 | finance | 8 | 20 | 1.4K | 2.9K |
| 263 | Agricultural Science | 1 | 19 | 192 | 286 |
| 263 | Hydrology | 4 | 19 | 2.5K | 4.1K |
| 263 | Agronomy | 1 | 19 | 1.3K | 1.4K |
| 263 | Language and Education | 1 | 19 | 181 | 90 |
| 263 | Microbial Metabolism | 3 | 19 | 205 | 771 |
| 263 | older people | 2 | 19 | 2.6K | 2.7K |
| 269 | Photochemistry | 2 | 18 | 2.2K | 3.2K |
| 269 | Artificial Organs | 2 | 18 | 1.2K | 1.4K |
| 269 | Evidence-Based Medicine | 2 | 18 | 2.1K | 2.8K |
| 269 | Measurement | 1 | 18 | 1.7K | 1.7K |
| 269 | Photobiology | 2 | 18 | 1.5K | 2.3K |
| 269 | Natural history | 10 | 18 | 3.1K | 8.5K |
| 275 | Ethnobotany | 3 | 17 | 249 | 619 |
| 275 | Composite Materials | 2 | 17 | 2.6K | 3.5K |
| 277 | Nutrition | 1 | 16 | 8.2K | 8.7K |
| 277 | Electrochemical Analysis | 1 | 16 | 1.9K | 2.1K |
| 279 | Astrophysics | 4 | 15 | 3.0K | 4.3K |
| 279 | Kinetics | 2 | 15 | 823 | 1.2K |
| 279 | Chemical kinetics | 2 | 15 | 1.2K | 1.4K |
| 279 | Electromagnetic waves | 3 | 15 | 319 | 552 |
| 279 | Entrepreneurship | 2 | 15 | 1.2K | 1.8K |
| 279 | sadness | 2 | 15 | 327 | 586 |
| 279 | Plant diseases | 4 | 15 | 2.0K | 3.4K |
| 279 | death | 2 | 15 | 449 | 686 |
| 279 | Suicide | 2 | 15 | 853 | 1.5K |
| 279 | sex crimes | 3 | 15 | 680 | 1.4K |
| 279 | antisocial personality disorder | 2 | 15 | 327 | 586 |
| 290 | Statistics | 3 | 14 | 3.2K | 4.3K |
| 290 | Health Policy | 1 | 14 | 5.0K | 5.4K |
| 290 | Food Preservation | 1 | 14 | 1.5K | 1.4K |
| 290 | Microbial Biotechnology | 1 | 14 | 2.1K | 2.5K |
| 290 | food technology | 1 | 14 | 3.9K | 4.6K |
| 290 | Travel | 2 | 14 | 1.4K | 2.1K |
| 290 | infection | 2 | 14 | 2.5K | 4.0K |
| 290 | Social work | 1 | 14 | 2.8K | 2.7K |
| 298 | Clinical Biochemistry | 2 | 13 | 1.7K | 2.7K |
| 298 | Machine Learning | 1 | 13 | 753 | 840 |
| 298 | Development | 1 | 13 | 1.4K | 1.7K |
| 298 | Economic Assistance | 1 | 13 | 1.0K | 1.2K |
| 298 | Heterocyclic compounds | 2 | 13 | 1.5K | 1.9K |
| 298 | Developing countries | 1 | 13 | 3.8K | 4.2K |
| 298 | Cancer | 2 | 13 | 5.5K | 7.3K |
| 305 | Data Mining | 2 | 12 | 2.5K | 3.8K |
| 305 | Medical genetics | 1 | 12 | 5.2K | 6.4K |
| 305 | Analytical Biochemistry | 1 | 12 | 3.1K | 3.6K |
| 305 | Ornithology | 1 | 12 | 1.8K | 1.9K |
| 305 | Crystallography | 3 | 12 | 2.1K | 2.6K |
| 305 | Ethnology | 1 | 12 | 2.9K | 2.6K |
| 305 | Birds | 1 | 12 | 2.2K | 2.2K |
| 312 | Civil Engineering | 2 | 11 | 2.5K | 2.8K |
| 312 | Economic History | 3 | 11 | 4.1K | 5.1K |
| 312 | Human Geography | 2 | 11 | 1.4K | 2.0K |
| 312 | Genomics | 3 | 11 | 4.2K | 7.2K |
| 312 | Image Processing | 3 | 11 | 2.3K | 3.9K |
| 312 | Helminthology | 1 | 11 | 360 | 318 |
| 312 | International Finance | 4 | 11 | 1.1K | 2.3K |
| 312 | Helminths | 1 | 11 | 360 | 318 |
| 312 | Imaging systems | 3 | 11 | 689 | 1.2K |
| 312 | Europe | 4 | 11 | 3.8K | 6.2K |
| 322 | Dynamics | 2 | 10 | 2.5K | 3.2K |
| 322 | Solar Energy | 1 | 10 | 1.9K | 2.6K |
| 322 | Wireless Communication Systems | 1 | 10 | 3.7K | 4.0K |
| 322 | Green Technology | 1 | 10 | 992 | 1.3K |
| 322 | proteins | 3 | 10 | 2.8K | 4.9K |
| 327 | Neurology | 2 | 9 | 7.5K | 10.0K |
| 327 | Immunology | 2 | 9 | 5.4K | 7.7K |
| 327 | Social Psychology | 4 | 9 | 2.1K | 4.5K |
| 327 | Evolutionary Genetics | 1 | 9 | 1.4K | 2.0K |
| 327 | Molecular Epidemiology | 1 | 9 | 1.4K | 2.0K |
| 327 | Industrial Safety | 1 | 9 | 2.1K | 2.3K |
| 327 | Anti-inflammatory agents | 2 | 9 | 337 | 841 |
| 327 | Religion and Psychology | 2 | 9 | 758 | 1.4K |
| 327 | Inflammation | 2 | 9 | 2.1K | 3.6K |
| 327 | Telecommunication | 3 | 9 | 2.9K | 4.3K |
| 327 | Library Science | 3 | 9 | 1.5K | 2.1K |
| 327 | medical education | 7 | 9 | 1.5K | 4.4K |
| 327 | Parasites | 2 | 9 | 2.3K | 3.6K |
| 327 | Nanotubes | 1 | 9 | 489 | 586 |
| 327 | Information Science | 3 | 9 | 2.1K | 4.1K |
| 327 | Entomology | 3 | 9 | 2.9K | 4.4K |
| 343 | Cybernetics | 1 | 8 | 2.9K | 3.5K |
| 343 | Mechatronics | 1 | 8 | 1.5K | 2.0K |
| 343 | Asia | 2 | 8 | 3.9K | 5.5K |
| 346 | Endocrinology | 2 | 7 | 4.6K | 6.8K |
| 346 | Plant Genetics | 2 | 7 | 1.0K | 2.0K |
| 346 | Sustainable agriculture | 1 | 7 | 1.4K | 2.0K |
| 346 | Herbal medicine | 1 | 7 | 1.0K | 1.9K |
| 346 | Waste management | 1 | 7 | 2.9K | 3.6K |
| 346 | Water Purification | 1 | 7 | 2.4K | 3.1K |
| 346 | Access to Information | 1 | 7 | 427 | 677 |
| 346 | big data | 1 | 7 | 1.1K | 1.5K |
| 346 | Radioisotopes | 1 | 7 | 2.0K | 2.4K |
| 346 | Information management | 1 | 7 | 255 | 408 |
| 346 | Phytotherapy | 1 | 7 | 1.8K | 2.7K |
| 346 | Information dissemination | 1 | 7 | 427 | 677 |
| 346 | Isotopes | 1 | 7 | 327 | 519 |
| 359 | Physiology | 1 | 6 | 7.1K | 8.8K |
| 359 | Computer Engineering | 1 | 6 | 1.4K | 1.7K |
| 359 | Astronomy | 1 | 6 | 3.9K | 4.4K |
| 359 | Paleontology | 3 | 6 | 1.6K | 2.8K |
| 359 | Immunopathology | 1 | 6 | 2.6K | 3.5K |
| 359 | Mental Disorders | 1 | 6 | 6.5K | 7.8K |
| 359 | Ecosystem management | 1 | 6 | 1.3K | 1.9K |
| 359 | Ceramic materials | 1 | 6 | 2.0K | 2.6K |
| 359 | Parasitic Diseases | 1 | 6 | 3.9K | 5.1K |
| 359 | technical education | 1 | 6 | 1.2K | 1.6K |
| 359 | Mental illness | 1 | 6 | 4.3K | 5.5K |
| 359 | Immune system | 1 | 6 | 2.3K | 3.1K |
| 359 | Immunity | 1 | 6 | 3.7K | 5.0K |
| 372 | Cosmology | 3 | 5 | 1.4K | 2.1K |
| 372 | Paleobiology | 2 | 5 | 463 | 883 |
| 372 | Diabetes mellitus | 1 | 5 | 4.1K | 5.7K |
| 372 | industrial hygiene | 2 | 5 | 1.9K | 3.2K |
| 372 | Plasma chemistry | 2 | 5 | 609 | 1.3K |
| 372 | Metabolic diseases | 1 | 5 | 4.5K | 6.0K |
| 372 | Adhesion | 1 | 5 | 1.1K | 1.6K |
| 372 | Gerontology | 1 | 5 | 4.1K | 4.7K |
| 372 | Data Warehousing | 1 | 5 | 107 | 197 |
| 372 | protein | 2 | 5 | 1.9K | 3.2K |
| 372 | Plasma polymerization | 2 | 5 | 408 | 970 |
| 372 | peptides | 1 | 5 | 2.0K | 2.8K |
| 372 | adhesives | 1 | 5 | 1.2K | 1.7K |
| 372 | Insects | 2 | 5 | 2.1K | 3.2K |
| 372 | Evolution | 2 | 5 | 3.0K | 5.0K |
| 372 | Nonlinear systems | 1 | 5 | 1.2K | 1.6K |
| 372 | Diabetes | 1 | 5 | 4.2K | 5.7K |
| 372 | Aquaculture | 2 | 5 | 1.5K | 2.6K |
| 390 | Genetics | 3 | 4 | 5.0K | 9.0K |
| 390 | Software Engineering | 1 | 4 | 2.0K | 2.5K |
| 390 | Manufacturing Processes | 1 | 4 | 3.6K | 4.5K |
| 390 | Production Engineering | 1 | 4 | 3.4K | 4.3K |
| 390 | Animal Nutrition | 2 | 4 | 747 | 1.5K |
| 390 | Fishery management | 1 | 4 | 1.4K | 2.0K |
| 390 | Heterocyclic chemistry | 2 | 4 | 820 | 1.5K |
| 390 | Geopolitics | 1 | 4 | 574 | 813 |
| 390 | Asymmetric synthesis | 2 | 4 | 185 | 507 |
| 390 | drinking water | 1 | 4 | 351 | 630 |
| 390 | hygiene | 1 | 4 | 1.3K | 2.0K |
| 401 | Linguistics | 2 | 3 | 2.1K | 2.9K |
| 401 | Neuropsychology | 1 | 3 | 4.0K | 5.5K |
| 401 | Occupational Health | 1 | 3 | 2.7K | 3.4K |
| 401 | Animal Behavior | 1 | 3 | 3.1K | 4.5K |
| 401 | behavioral medicine | 1 | 3 | 2.9K | 4.4K |
| 401 | Neurophysiology | 1 | 3 | 4.6K | 6.2K |
| 401 | Chemical safety | 1 | 3 | 67 | 102 |
| 401 | Middle East | 1 | 3 | 1.9K | 1.9K |
| 401 | biological agents | 1 | 3 | 1.5K | 1.7K |
| 401 | computer networks | 2 | 3 | 3.0K | 4.8K |
| 401 | Australia | 1 | 3 | 4.1K | 5.5K |
| 401 | herbicides | 1 | 3 | 730 | 1.2K |
| 401 | Biodiversity | 1 | 3 | 4.4K | 5.8K |
| 414 | Information Technology | 1 | 2 | 4.8K | 6.3K |
| 414 | Meteorology | 1 | 2 | 4.0K | 5.6K |
| 414 | Dermatology | 1 | 2 | 3.4K | 4.5K |
| 414 | Climatology | 1 | 2 | 3.1K | 4.5K |
| 414 | Financial Engineering | 1 | 2 | 515 | 947 |
| 414 | occupational health and safety | 1 | 2 | 567 | 908 |
| 414 | ethnicity | 1 | 2 | 1.5K | 2.2K |
| 414 | Nationalism | 1 | 2 | 932 | 1.2K |
| 414 | Smart Materials | 1 | 2 | 1.4K | 2.2K |
| 414 | Laser therapy | 1 | 2 | 983 | 1.5K |
| 414 | Mobile Commerce | 1 | 2 | 932 | 1.2K |
| 414 | System analysis | 1 | 2 | 4.4K | 6.0K |
| 414 | Family | 2 | 2 | 1.4K | 2.9K |
| 414 | families | 2 | 2 | 1.2K | 2.5K |
| 414 | rehabilitation | 1 | 2 | 4.5K | 6.3K |
| 429 | Geography | 1 | 1 | 4.0K | 5.4K |
| 429 | Computer Science | 1 | 1 | 4.1K | 5.7K |
| 429 | Geology | 1 | 1 | 4.7K | 6.2K |
| 429 | Epidemiology | 1 | 1 | 7.6K | 10.1K |
| 429 | Robotics | 1 | 1 | 2.9K | 4.1K |
| 429 | Medical Microbiology | 1 | 1 | 4.5K | 6.5K |
| 429 | Semantics | 1 | 1 | 624 | 937 |
| 429 | Computational Linguistics | 1 | 1 | 1.2K | 1.8K |
| 429 | Ethnic relations | 1 | 1 | 1.3K | 1.8K |
| 429 | Combinatorial chemistry | 1 | 1 | 2.0K | 3.0K |
| 429 | Diagnostic Imaging | 1 | 1 | 4.2K | 5.8K |
| 429 | Drug design | 1 | 1 | 3.5K | 5.0K |
| 429 | Marriage | 1 | 1 | 1.1K | 1.9K |
| 429 | Semiotics | 1 | 1 | 778 | 928 |
| 429 | nucleic acids | 1 | 1 | 3.4K | 4.9K |
| 429 | East Asia | 1 | 1 | 1.7K | 2.0K |
| 429 | Japan | 1 | 1 | 4.0K | 5.4K |
| 429 | Southeast Asia | 1 | 1 | 1.0K | 1.4K |
| 429 | Soviet Union | 1 | 1 | 1.7K | 2.3K |
| 429 | Gender mainstreaming | 8 | 1 | 12 | 32 |
| 429 | Structure-activity relationship | 1 | 1 | 1.1K | 1.7K |
| 429 | Quantum theory | 1 | 1 | 1.5K | 2.2K |
| 429 | race relations | 1 | 1 | 1.1K | 1.6K |
| 452 | Dentistry | 1 | 0 | 1.3K | 2.1K |
| 452 | Obstetrics | 1 | 0 | 4.7K | 6.7K |
| 452 | Hematology | 3 | 0 | 4.4K | 7.0K |
| 452 | Pediatrics | 1 | 0 | 5.1K | 7.3K |
| 452 | International Relations | 1 | 0 | 2.6K | 3.3K |
| 452 | Distance Education | 1 | 0 | 979 | 1.9K |
| 452 | Health Services Research | 1 | 0 | 3.7K | 5.7K |
| 452 | Particle Physics | 1 | 0 | 1.2K | 1.8K |
| 452 | Molecular Genetics | 1 | 0 | 3.5K | 5.2K |
| 452 | health behavior | 1 | 0 | 2.2K | 3.6K |
| 452 | Child | 1 | 0 | 5.1K | 7.2K |
| 452 | Child welfare | 1 | 0 | 2.0K | 3.5K |
| 452 | Health insurance | 1 | 0 | 1.1K | 2.1K |
| 452 | Teaching | 1 | 0 | 3.1K | 4.7K |
| 452 | Religious minorities | 1 | 0 | 73 | 154 |
| 452 | Muslims | 1 | 0 | 202 | 287 |
| 452 | Islam | 1 | 0 | 1.0K | 1.3K |
| 452 | commerce | 1 | 0 | 2.6K | 3.8K |
| 452 | national security | 1 | 0 | 877 | 1.4K |
| 452 | rivers | 1 | 0 | 693 | 1.3K |
| 452 | Comedy | 1 | 0 | 47 | 105 |
| 452 | Pregnancy | 1 | 0 | 1.9K | 3.1K |
