| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Pollution | 37 | 1,481 | 1.8K | 1.9K |
| 2 | Materials | 79 | 1,402 | 1.4K | 1.9K |
| 3 | Artificial Intelligence | 26 | 1,379 | 1.4K | 788 |
| 4 | environmental pollution | 30 | 1,297 | 1.4K | 1.2K |
| 5 | energy development | 64 | 1,052 | 22 | 244 |
| 6 | Chemical Engineering | 24 | 941 | 1.7K | 1.5K |
| 7 | Ecology | 25 | 841 | 2.8K | 3.1K |
| 8 | China | 51 | 784 | 492 | 495 |
| 9 | Biochemistry | 24 | 710 | 4.7K | 4.4K |
| 10 | Chemistry | 61 | 708 | 3.3K | 5.3K |
| 11 | Materials Science | 45 | 703 | 1.6K | 2.1K |
| 12 | Environmental Health | 22 | 695 | 2.4K | 2.6K |
| 13 | Biochemical Engineering | 8 | 618 | 1.8K | 1.8K |
| 14 | Biophysics | 11 | 603 | 4.3K | 2.8K |
| 15 | Nanotechnology | 43 | 584 | 1.8K | 2.8K |
| 16 | Environment | 19 | 560 | 2.4K | 3.4K |
| 17 | Mathematics | 53 | 558 | 1.9K | 1.6K |
| 18 | Medicine | 66 | 519 | 3.5K | 7.2K |
| 19 | Biotechnology | 37 | 510 | 2.3K | 3.9K |
| 20 | Environmental monitoring | 18 | 508 | 1.7K | 1.9K |
| 21 | Biocompatible Materials | 9 | 477 | 2.8K | 2.4K |
| 22 | nanoscience | 24 | 470 | 1.3K | 1.8K |
| 23 | Cardiovascular system | 2 | 439 | 2.8K | 1.9K |
| 24 | Biology | 43 | 438 | 4.1K | 7.7K |
| 25 | Geophysics | 26 | 436 | 1.5K | 1.9K |
| 26 | System analysis | 14 | 433 | 1.1K | 732 |
| 27 | Hypertension | 2 | 430 | 2.8K | 1.9K |
| 28 | Microbiology | 30 | 425 | 3.1K | 4.8K |
| 29 | Science | 33 | 386 | 5.1K | 8.7K |
| 30 | Molecular Biology | 28 | 377 | 4.0K | 6.1K |
| 31 | Neural circuitry | 4 | 361 | 1.5K | 691 |
| 32 | Botany | 17 | 354 | 2.1K | 2.6K |
| 33 | Atmospheric Physics | 8 | 325 | 1.1K | 1.0K |
| 34 | Earth Sciences | 35 | 318 | 889 | 1.6K |
| 35 | Biomass Energy | 11 | 313 | 1.2K | 1.5K |
| 36 | Physics | 43 | 303 | 3.9K | 8.2K |
| 37 | Composite Materials | 8 | 293 | 1.3K | 1.0K |
| 38 | Catalysis | 11 | 290 | 2.2K | 2.4K |
| 38 | Chromatography | 15 | 290 | 736 | 770 |
| 38 | Chromatographic analysis | 15 | 290 | 882 | 864 |
| 41 | Atmospheric Chemistry | 5 | 273 | 892 | 855 |
| 41 | Environmental Management | 10 | 273 | 1.5K | 2.0K |
| 43 | Water | 14 | 254 | 926 | 1.6K |
| 44 | Geology | 30 | 245 | 1.1K | 1.7K |
| 45 | Research | 28 | 242 | 4.6K | 7.7K |
| 46 | Hydrology | 27 | 241 | 783 | 1.5K |
| 47 | Water pollution | 12 | 238 | 1.4K | 1.9K |
| 48 | Plants | 12 | 235 | 1.3K | 1.7K |
| 49 | plant molecular biology | 11 | 229 | 927 | 1.6K |
| 50 | Fuzzy systems | 20 | 220 | 419 | 518 |
| 51 | Meteorology | 6 | 218 | 1.9K | 2.0K |
| 52 | Environmental Policy | 7 | 208 | 2.1K | 2.6K |
| 52 | Optical materials | 7 | 208 | 1.9K | 2.1K |
| 54 | Automation | 10 | 207 | 1.3K | 1.3K |
| 55 | Clinical Chemistry | 4 | 204 | 3.1K | 2.5K |
| 56 | Optics | 25 | 202 | 2.1K | 2.6K |
| 57 | Electrochemistry | 16 | 200 | 1.8K | 2.1K |
| 58 | Solid State Physics | 9 | 195 | 2.8K | 2.6K |
| 58 | Ultrasonics | 3 | 195 | 1.2K | 825 |
| 60 | Cancer | 8 | 188 | 3.2K | 3.6K |
| 61 | Environmental Geology | 8 | 186 | 814 | 851 |
| 62 | Parasitology | 13 | 185 | 1.4K | 1.8K |
| 63 | Ceramic materials | 12 | 180 | 389 | 491 |
| 64 | Energy Policy | 8 | 178 | 1.0K | 1.5K |
| 65 | Electrophoresis | 7 | 177 | 1.3K | 1.3K |
| 66 | Mechanical Engineering | 15 | 170 | 1.2K | 1.1K |
| 67 | hazard mitigation | 6 | 169 | 614 | 608 |
| 67 | natural disasters | 6 | 169 | 951 | 943 |
| 69 | Engineering Mathematics | 36 | 167 | 593 | 1.3K |
| 69 | Technology | 20 | 167 | 1.7K | 3.0K |
| 71 | Information Science | 8 | 166 | 1.1K | 1.2K |
| 72 | Ultrasonic Imaging | 2 | 165 | 615 | 250 |
| 72 | Ultrasound | 2 | 165 | 911 | 449 |
| 74 | computer networks | 18 | 164 | 870 | 1.4K |
| 75 | Hydrogeology | 14 | 163 | 249 | 407 |
| 76 | Cell Biology | 11 | 158 | 3.1K | 4.8K |
| 77 | Nanostructured Materials | 13 | 155 | 2.1K | 2.9K |
| 77 | Spectrum analysis | 9 | 155 | 2.9K | 3.2K |
| 79 | Environmental Engineering | 9 | 150 | 2.7K | 3.7K |
| 79 | Environmental Geochemistry | 5 | 150 | 380 | 272 |
| 79 | Minerals | 5 | 150 | 575 | 463 |
| 82 | Biomedical Engineering | 19 | 147 | 2.4K | 4.5K |
| 83 | Intelligent Control Systems | 11 | 146 | 484 | 421 |
| 83 | Cell death | 4 | 146 | 1.4K | 1.6K |
| 85 | Colloids | 11 | 143 | 2.1K | 3.2K |
| 86 | Petroleum Engineering | 4 | 137 | 629 | 420 |
| 87 | Pharmacology | 12 | 136 | 3.6K | 5.2K |
| 87 | Japan | 7 | 136 | 1.6K | 1.2K |
| 89 | Manufacturing Processes | 8 | 135 | 1.4K | 1.5K |
| 89 | Production Engineering | 8 | 135 | 1.3K | 1.3K |
| 91 | Water quality management | 17 | 134 | 765 | 1.4K |
| 92 | coal | 5 | 133 | 508 | 706 |
| 93 | Geochemistry | 17 | 132 | 668 | 1.2K |
| 94 | Chemical industry | 7 | 126 | 1.0K | 892 |
| 95 | Civil Engineering | 14 | 123 | 714 | 744 |
| 96 | Genomics | 11 | 122 | 2.3K | 3.7K |
| 96 | atmosphere | 2 | 122 | 660 | 397 |
| 98 | Ceramics | 5 | 121 | 1.5K | 1.3K |
| 99 | Brain | 4 | 119 | 2.5K | 2.5K |
| 100 | Wireless Communication Systems | 17 | 118 | 1.1K | 1.8K |
| 101 | Geomorphology | 1 | 116 | 1.6K | 897 |
| 101 | Surface Chemistry | 9 | 116 | 2.3K | 3.2K |
| 101 | Soil Science | 1 | 116 | 2.8K | 1.4K |
| 104 | Toxicology | 8 | 113 | 3.7K | 5.0K |
| 104 | Fracture mechanics | 5 | 113 | 823 | 776 |
| 106 | Cytology | 7 | 111 | 3.9K | 5.2K |
| 107 | Smart Materials | 4 | 110 | 673 | 579 |
| 108 | Risk Management | 5 | 109 | 599 | 693 |
| 108 | environmental exposure | 4 | 109 | 2.0K | 2.0K |
| 110 | Renewable Energy Sources | 7 | 108 | 1.2K | 2.5K |
| 110 | environmental protection | 7 | 108 | 2.6K | 3.7K |
| 112 | energy conservation | 7 | 107 | 1.1K | 1.8K |
| 113 | proteins | 4 | 105 | 2.5K | 2.5K |
| 114 | Engineering Geology | 6 | 104 | 965 | 1.2K |
| 115 | Ocean Engineering | 7 | 103 | 616 | 801 |
| 116 | Telecommunication Systems | 7 | 101 | 1.1K | 1.0K |
| 117 | Environmental Toxicology | 3 | 99 | 3.0K | 3.2K |
| 117 | pollutants | 3 | 99 | 2.1K | 2.2K |
| 117 | Environmental pollutants | 3 | 99 | 2.6K | 2.5K |
| 120 | Bioengineering | 11 | 98 | 2.8K | 5.2K |
| 121 | Building Materials | 2 | 92 | 1.3K | 1.2K |
| 122 | Hydrodynamics | 9 | 90 | 185 | 353 |
| 123 | Industrial Engineering | 8 | 88 | 1.4K | 2.0K |
| 123 | Animal Biotechnology | 4 | 88 | 151 | 170 |
| 123 | Superconductors | 1 | 88 | 1.6K | 715 |
| 123 | Glass | 3 | 88 | 1.5K | 1.4K |
| 123 | pottery | 3 | 88 | 1.4K | 1.3K |
| 128 | Agricultural Chemistry | 5 | 87 | 2.4K | 2.9K |
| 128 | Proteome | 1 | 87 | 2.4K | 1.9K |
| 130 | Neurology | 5 | 86 | 5.5K | 6.6K |
| 131 | Engineering | 21 | 84 | 1.7K | 3.8K |
| 131 | Measurement | 1 | 84 | 1.7K | 804 |
| 133 | Numerical Analysis | 3 | 83 | 2.6K | 1.7K |
| 133 | sanitation | 1 | 83 | 3.1K | 2.8K |
| 135 | Radiation | 3 | 82 | 2.3K | 1.8K |
| 136 | Medicinal plants | 4 | 81 | 1.3K | 1.6K |
| 137 | Climatology | 2 | 80 | 2.4K | 2.1K |
| 137 | bioclimatology | 2 | 80 | 1.4K | 1.0K |
| 137 | Reproduction | 5 | 80 | 2.3K | 2.8K |
| 140 | Animal husbandry | 10 | 79 | 183 | 283 |
| 140 | Parasites | 6 | 79 | 1.3K | 1.7K |
| 142 | livestock | 4 | 76 | 608 | 422 |
| 143 | Solar Energy | 2 | 75 | 1.4K | 1.2K |
| 144 | Metallurgy | 24 | 74 | 756 | 2.0K |
| 145 | Heat Exchangers | 3 | 73 | 584 | 795 |
| 145 | Solid State Chemistry | 4 | 73 | 1.8K | 1.8K |
| 145 | Nanoparticles | 12 | 73 | 1.1K | 2.4K |
| 148 | fuel cells | 3 | 72 | 1.5K | 1.7K |
| 149 | animal diseases | 6 | 71 | 352 | 555 |
| 150 | Signal Processing | 6 | 70 | 2.0K | 2.6K |
| 151 | Geothermal Energy | 3 | 68 | 71 | 113 |
| 152 | Semiconductors | 5 | 66 | 1.1K | 1.1K |
| 153 | environmental indicators | 3 | 65 | 535 | 920 |
| 154 | Epidemiology | 1 | 64 | 7.6K | 5.4K |
| 154 | Public Health | 1 | 64 | 11.1K | 7.6K |
| 154 | Plant diseases | 10 | 64 | 1.3K | 2.2K |
| 157 | natural gas | 1 | 60 | 697 | 366 |
| 158 | Analytical Chemistry | 8 | 59 | 3.6K | 5.5K |
| 159 | Energy Conversion | 3 | 58 | 1.4K | 1.9K |
| 159 | Energy Storage | 3 | 58 | 1.5K | 1.5K |
| 159 | soil microbiology | 3 | 58 | 1.5K | 2.4K |
| 162 | Mathematical Physics | 21 | 57 | 1.2K | 2.4K |
| 162 | Mycology | 2 | 57 | 2.2K | 2.0K |
| 164 | Industrial Microbiology | 4 | 56 | 2.1K | 3.2K |
| 164 | Chromosome mapping | 7 | 56 | 1.5K | 3.2K |
| 164 | gene mapping | 7 | 56 | 1.7K | 3.5K |
| 167 | Horticulture | 3 | 55 | 966 | 889 |
| 167 | Optical Communications | 13 | 55 | 340 | 819 |
| 169 | Pharmacognosy | 2 | 54 | 2.5K | 2.6K |
| 169 | Microorganisms | 5 | 54 | 1.2K | 2.3K |
| 171 | Systems Engineering | 5 | 52 | 2.0K | 2.4K |
| 171 | Internet of Things | 5 | 52 | 774 | 1.1K |
| 171 | Neurophysiology | 1 | 52 | 4.6K | 4.1K |
| 171 | body temperature | 1 | 52 | 732 | 401 |
| 171 | internet | 5 | 52 | 1.1K | 1.6K |
| 176 | Ecological Engineering | 3 | 51 | 288 | 575 |
| 176 | Hydraulic Engineering | 5 | 51 | 701 | 957 |
| 176 | Polymers | 11 | 51 | 3.2K | 5.3K |
| 176 | Fungi | 1 | 51 | 1.5K | 1.3K |
| 180 | food contamination | 3 | 50 | 1.3K | 1.3K |
| 180 | Nervous system | 2 | 50 | 3.6K | 4.1K |
| 180 | Planets | 4 | 50 | 1.7K | 2.6K |
| 183 | Tropical Medicine | 4 | 49 | 2.0K | 2.5K |
| 184 | Computer Science | 7 | 48 | 1.6K | 2.2K |
| 184 | Sustainable agriculture | 4 | 48 | 613 | 960 |
| 186 | Embryology | 2 | 47 | 2.4K | 2.8K |
| 186 | Systems Analysis | 1 | 47 | 2.1K | 1.4K |
| 186 | Plant Ecology | 2 | 47 | 2.2K | 2.5K |
| 186 | Molecular Genetics | 3 | 47 | 2.3K | 3.3K |
| 186 | Computational Intelligence | 15 | 47 | 251 | 1.1K |
| 186 | embryonic development | 2 | 47 | 717 | 844 |
| 186 | Telecommunication | 3 | 47 | 2.9K | 2.7K |
| 186 | Statistical physics | 12 | 47 | 2.3K | 4.0K |
| 186 | Metals | 9 | 47 | 1.2K | 2.1K |
| 195 | miniaturization | 7 | 46 | 1.5K | 3.2K |
| 196 | Immunology | 5 | 45 | 4.0K | 5.8K |
| 196 | Medical Laboratory Science | 3 | 45 | 2.8K | 3.9K |
| 198 | Mechatronics | 7 | 44 | 450 | 1.1K |
| 198 | Food Microbiology | 2 | 44 | 1.8K | 2.3K |
| 198 | Bacteriology | 2 | 44 | 2.5K | 3.0K |
| 201 | Microbial Ecology | 2 | 43 | 3.4K | 4.4K |
| 201 | Computational Biology | 8 | 43 | 2.5K | 4.7K |
| 201 | Natural resources | 2 | 43 | 916 | 998 |
| 201 | Parasitic Diseases | 4 | 43 | 2.3K | 3.4K |
| 205 | Nursing | 5 | 42 | 1.9K | 2.4K |
| 205 | Image Processing | 5 | 42 | 1.8K | 2.8K |
| 207 | Marine Geology | 3 | 41 | 356 | 483 |
| 207 | Calorimetry | 1 | 41 | 2.2K | 1.5K |
| 207 | Flood control | 3 | 41 | 285 | 369 |
| 207 | irrigation | 3 | 41 | 411 | 472 |
| 207 | drainage | 3 | 41 | 316 | 305 |
| 207 | Thermal analysis | 1 | 41 | 2.2K | 1.5K |
| 213 | Database Management | 1 | 40 | 1.2K | 937 |
| 213 | Information Systems | 1 | 40 | 2.9K | 2.1K |
| 213 | Genetic engineering | 4 | 40 | 2.3K | 3.7K |
| 213 | Petroleum Geology | 2 | 40 | 401 | 485 |
| 213 | Expert Systems | 1 | 40 | 578 | 286 |
| 218 | Nonlinear systems | 4 | 39 | 576 | 833 |
| 219 | Pediatrics | 2 | 38 | 4.0K | 4.5K |
| 219 | Immunotherapy | 2 | 38 | 2.8K | 3.4K |
| 219 | Pediatric Neurology | 2 | 38 | 1.7K | 2.5K |
| 219 | Child | 2 | 38 | 4.0K | 3.9K |
| 219 | Immunopharmacology | 2 | 38 | 1.4K | 1.7K |
| 219 | Fiber Optics | 4 | 38 | 819 | 1.2K |
| 219 | Child Development | 2 | 38 | 2.7K | 3.1K |
| 219 | cytokines | 2 | 38 | 1.9K | 2.4K |
| 219 | radioactive waste | 2 | 38 | 930 | 1.7K |
| 219 | disease vectors | 3 | 38 | 1.2K | 1.8K |
| 219 | industrial waste | 2 | 38 | 1.0K | 1.7K |
| 219 | Hazardous waste | 2 | 38 | 1.2K | 1.8K |
| 231 | Social Sciences | 4 | 37 | 4.0K | 4.1K |
| 231 | Sociology | 4 | 37 | 3.0K | 4.0K |
| 233 | Control Theory | 4 | 36 | 1.7K | 2.1K |
| 233 | Animal breeding | 4 | 36 | 665 | 991 |
| 233 | Condensed Matter | 7 | 36 | 2.9K | 4.0K |
| 233 | Radiation effects | 1 | 36 | 564 | 570 |
| 237 | Molecular cloning | 3 | 35 | 1.6K | 2.2K |
| 237 | Genetic recombination | 3 | 35 | 1.5K | 2.2K |
| 237 | Iron | 8 | 35 | 274 | 599 |
| 237 | Recombinant DNA | 3 | 35 | 1.7K | 2.4K |
| 241 | Stochastic Processes | 2 | 34 | 1.3K | 1.2K |
| 241 | Bioethics | 2 | 34 | 1.4K | 1.3K |
| 241 | Medical Ethics | 3 | 34 | 1.6K | 1.7K |
| 241 | Food additives | 2 | 34 | 1.4K | 1.8K |
| 241 | nursing ethics | 2 | 34 | 315 | 463 |
| 246 | Environmental Microbiology | 2 | 33 | 2.1K | 3.0K |
| 246 | air quality management | 2 | 33 | 567 | 896 |
| 246 | Geobiology | 1 | 33 | 1.0K | 914 |
| 246 | Mechanics | 4 | 33 | 1.3K | 1.6K |
| 246 | Breeding | 3 | 33 | 1.5K | 2.2K |
| 251 | Economics | 1 | 32 | 6.5K | 4.4K |
| 251 | Fluid Mechanics | 10 | 32 | 1.3K | 2.6K |
| 251 | Public Policy | 1 | 32 | 3.2K | 2.9K |
| 251 | Waste management | 9 | 32 | 915 | 2.3K |
| 251 | Water Purification | 9 | 32 | 733 | 1.9K |
| 251 | economic policy | 2 | 32 | 3.3K | 2.6K |
| 251 | Social policy | 1 | 32 | 1.8K | 1.2K |
| 251 | Groundwater | 12 | 32 | 360 | 1.2K |
| 251 | planning | 1 | 32 | 1.2K | 851 |
| 251 | Economic planning | 1 | 32 | 690 | 656 |
| 261 | Human-Computer Interaction | 3 | 31 | 1.8K | 2.4K |
| 261 | Genetic therapy | 2 | 31 | 2.0K | 2.7K |
| 263 | Oncology | 2 | 30 | 3.5K | 4.7K |
| 263 | Sonochemistry | 1 | 30 | 1.0K | 1.4K |
| 263 | Welding | 2 | 30 | 445 | 266 |
| 263 | water supply | 3 | 30 | 1.2K | 1.9K |
| 267 | Structural Engineering | 2 | 29 | 1.8K | 1.7K |
| 267 | Dynamics | 11 | 29 | 959 | 2.3K |
| 267 | Nanobiotechnology | 1 | 29 | 983 | 1.2K |
| 270 | Materials Engineering | 2 | 28 | 1.1K | 1.1K |
| 270 | Energy Harvesting | 1 | 28 | 832 | 1.1K |
| 270 | Nanostructures | 7 | 28 | 1.6K | 3.6K |
| 270 | Food | 5 | 28 | 3.0K | 5.2K |
| 274 | Nonlinear Dynamics | 2 | 27 | 2.9K | 3.2K |
| 274 | Soft Condensed Matter | 2 | 27 | 1.6K | 2.0K |
| 274 | natural products | 2 | 27 | 2.7K | 2.9K |
| 274 | Asia | 3 | 27 | 3.2K | 3.6K |
| 274 | biopolymers | 2 | 27 | 1.8K | 2.3K |
| 274 | drugs | 3 | 27 | 2.5K | 3.6K |
| 280 | Astronomy | 3 | 26 | 3.0K | 3.5K |
| 280 | Metallography | 1 | 26 | 792 | 717 |
| 282 | Physiology | 6 | 25 | 3.9K | 7.2K |
| 283 | Robotics | 2 | 24 | 2.2K | 2.6K |
| 283 | Tribology | 3 | 24 | 1.2K | 1.6K |
| 283 | vibration | 7 | 24 | 774 | 1.7K |
| 283 | Virology | 3 | 24 | 4.0K | 6.2K |
| 283 | Animal genetics | 3 | 24 | 639 | 1.1K |
| 283 | Adaptive control systems | 2 | 24 | 853 | 959 |
| 289 | Nutrition | 3 | 23 | 5.8K | 8.1K |
| 289 | Computer-Aided Design | 1 | 23 | 2.1K | 1.9K |
| 289 | Chemical structure | 3 | 23 | 591 | 808 |
| 292 | Thermodynamics | 2 | 21 | 1.1K | 1.1K |
| 292 | Fuzzy Logic | 3 | 21 | 91 | 267 |
| 292 | Combustion | 2 | 21 | 1.2K | 1.5K |
| 292 | Cognitive Science | 1 | 21 | 2.8K | 2.9K |
| 292 | soil pollution | 4 | 21 | 509 | 1.3K |
| 297 | Cybernetics | 5 | 20 | 1.4K | 2.9K |
| 297 | Earthquake Engineering | 1 | 20 | 1.5K | 1.6K |
| 297 | food technology | 5 | 20 | 2.0K | 4.2K |
| 297 | air quality | 2 | 20 | 349 | 634 |
| 297 | Pesticides | 1 | 20 | 1.2K | 1.2K |
| 297 | mathematical analysis | 7 | 20 | 1.6K | 2.3K |
| 297 | pigments | 1 | 20 | 736 | 871 |
| 304 | Oceanography | 1 | 19 | 2.8K | 2.8K |
| 304 | Optoelectronics | 9 | 19 | 213 | 679 |
| 304 | gene therapy | 1 | 19 | 2.5K | 2.9K |
| 304 | Landslides | 2 | 19 | 367 | 715 |
| 304 | gene transfer | 1 | 19 | 718 | 853 |
| 304 | genetic transformation | 1 | 19 | 718 | 853 |
| 310 | Nanochemistry | 2 | 18 | 1.7K | 2.3K |
| 310 | Physical Chemistry | 2 | 18 | 3.4K | 4.3K |
| 310 | actuators | 1 | 18 | 2.4K | 2.8K |
| 310 | protein | 2 | 18 | 1.9K | 2.6K |
| 310 | Ore deposits | 2 | 18 | 517 | 791 |
| 310 | transducers | 1 | 18 | 2.4K | 2.8K |
| 316 | Systems Biology | 2 | 17 | 2.6K | 3.7K |
| 316 | Medical Microbiology | 2 | 17 | 3.6K | 5.4K |
| 316 | Forest Ecology | 1 | 17 | 1.2K | 1.4K |
| 316 | soil conservation | 3 | 17 | 953 | 1.9K |
| 316 | Biodiversity conservation | 1 | 17 | 3.1K | 3.7K |
| 316 | Forest Management | 1 | 17 | 1.1K | 1.2K |
| 316 | Biodiversity | 1 | 17 | 4.4K | 4.5K |
| 323 | Fuzzy Sets | 1 | 16 | 163 | 229 |
| 323 | Immunochemistry | 1 | 16 | 1.9K | 2.1K |
| 323 | Entropy | 1 | 16 | 2.4K | 2.1K |
| 323 | Multimedia Systems | 1 | 16 | 3.1K | 2.7K |
| 323 | Fuzzy algorithms | 1 | 16 | 163 | 229 |
| 323 | immunoassay | 1 | 16 | 564 | 469 |
| 323 | Membranes | 1 | 16 | 2.3K | 2.9K |
| 323 | Decision making | 1 | 16 | 3.3K | 3.3K |
| 323 | India | 8 | 16 | 1.2K | 2.6K |
| 332 | Sustainable Development | 2 | 15 | 2.7K | 3.9K |
| 332 | Computer Graphics | 3 | 15 | 1.6K | 2.7K |
| 332 | Structural dynamics | 1 | 15 | 1.4K | 1.7K |
| 332 | Biosensors | 1 | 15 | 2.1K | 3.0K |
| 332 | Photonics | 2 | 15 | 2.6K | 3.6K |
| 332 | Geographic information systems | 1 | 15 | 2.2K | 2.1K |
| 332 | Boundary Value Problems | 4 | 15 | 720 | 1.3K |
| 332 | Land use | 1 | 15 | 1.8K | 2.1K |
| 332 | Bioelectronics | 1 | 15 | 1.8K | 2.7K |
| 332 | city planning | 1 | 15 | 2.7K | 2.7K |
| 342 | Rock Mechanics | 1 | 14 | 1.3K | 1.4K |
| 342 | Chemical kinetics | 1 | 14 | 1.5K | 1.4K |
| 342 | polymerization | 5 | 14 | 3.7K | 6.0K |
| 345 | Medical Technology | 6 | 13 | 1.5K | 4.5K |
| 345 | Product Design | 1 | 13 | 598 | 687 |
| 345 | Quantum Optics | 1 | 13 | 1.6K | 1.6K |
| 345 | Molecular Spectroscopy | 2 | 13 | 2.0K | 3.2K |
| 345 | particles | 1 | 13 | 1.6K | 1.9K |
| 345 | Solutions | 1 | 13 | 817 | 850 |
| 345 | Atomic spectroscopy | 1 | 13 | 1.7K | 1.8K |
| 345 | Laser Spectroscopy | 1 | 13 | 1.5K | 1.5K |
| 345 | carbon monoxide | 1 | 13 | 309 | 635 |
| 345 | Recycling | 1 | 13 | 531 | 1.1K |
| 355 | Pharmacogenetics | 1 | 12 | 2.3K | 3.0K |
| 355 | Metallic Glasses | 1 | 12 | 313 | 456 |
| 355 | Cell division | 2 | 12 | 999 | 1.9K |
| 355 | Cell differentiation | 2 | 12 | 2.7K | 4.4K |
| 355 | Stem cells | 2 | 12 | 2.5K | 3.8K |
| 355 | Carbon | 1 | 12 | 1.5K | 2.1K |
| 355 | Enzyme | 1 | 12 | 577 | 951 |
| 355 | Ventilation | 1 | 12 | 1.2K | 1.5K |
| 355 | Therapeutics | 1 | 12 | 3.9K | 4.9K |
| 355 | enzymes | 1 | 12 | 2.5K | 3.1K |
| 365 | Geography | 2 | 11 | 3.1K | 4.2K |
| 365 | Electronics | 4 | 11 | 3.9K | 6.2K |
| 365 | Fluid Dynamics | 8 | 11 | 636 | 2.0K |
| 365 | Plant Morphology | 1 | 11 | 983 | 1.3K |
| 365 | Plate Tectonics | 5 | 11 | 114 | 463 |
| 365 | Microbial Biotechnology | 1 | 11 | 2.1K | 2.7K |
| 365 | Combinatorial optimization | 4 | 11 | 448 | 975 |
| 365 | Chemical processes | 1 | 11 | 1.3K | 1.6K |
| 365 | cell physiology | 2 | 11 | 2.4K | 4.0K |
| 365 | Water chemistry | 3 | 11 | 375 | 1.2K |
| 365 | Nanotubes | 1 | 11 | 489 | 512 |
| 376 | Telecommunications | 1 | 10 | 1.5K | 1.4K |
| 376 | Genetic databases | 1 | 10 | 127 | 71 |
| 378 | Transportation Engineering | 1 | 9 | 732 | 976 |
| 378 | Endocrinology | 3 | 9 | 4.0K | 6.6K |
| 378 | Traffic Engineering | 1 | 9 | 840 | 1.1K |
| 378 | Physical Geography | 1 | 9 | 1.2K | 1.3K |
| 378 | Cryptography | 3 | 9 | 752 | 1.2K |
| 378 | Highway Engineering | 1 | 9 | 788 | 944 |
| 378 | Nonlinear Optics | 1 | 9 | 477 | 519 |
| 378 | Immunotoxicology | 1 | 9 | 783 | 1.1K |
| 378 | Molecular structure | 1 | 9 | 3.9K | 4.5K |
| 387 | Applied Mathematics | 6 | 8 | 718 | 1.7K |
| 387 | Organic Chemistry | 2 | 8 | 4.1K | 5.7K |
| 387 | Quantum Chemistry | 1 | 8 | 1.8K | 1.9K |
| 387 | Transportation | 3 | 8 | 1.6K | 2.9K |
| 387 | Coding Theory | 2 | 8 | 501 | 739 |
| 387 | Natural history | 2 | 8 | 6.3K | 9.2K |
| 387 | Australia | 2 | 8 | 3.0K | 4.6K |
| 387 | Forest genetics | 1 | 8 | 729 | 935 |
| 387 | Zoonoses | 1 | 8 | 759 | 1.2K |
| 396 | Marine Biology | 1 | 7 | 4.0K | 5.1K |
| 396 | Structural design | 2 | 7 | 863 | 1.6K |
| 396 | Bioremediation | 1 | 7 | 1.4K | 2.1K |
| 396 | Ecohydrology | 1 | 7 | 743 | 1.1K |
| 396 | Organometallic chemistry | 3 | 7 | 1.9K | 3.3K |
| 396 | Water quality | 1 | 7 | 671 | 1.1K |
| 396 | Plant physiology | 1 | 7 | 3.4K | 4.4K |
| 396 | Gene expression regulation | 1 | 7 | 2.1K | 2.8K |
| 396 | Ferroelectricity | 2 | 7 | 1.5K | 2.1K |
| 396 | Genetic regulation | 1 | 7 | 2.4K | 3.2K |
| 396 | Detectors | 7 | 7 | 1.1K | 3.5K |
| 396 | freshwater biology | 1 | 7 | 1.7K | 2.3K |
| 408 | Electrical Engineering | 3 | 6 | 4.3K | 5.9K |
| 408 | Agricultural Engineering | 2 | 6 | 430 | 832 |
| 408 | Graph Theory | 3 | 6 | 851 | 1.3K |
| 408 | Nuclear Physics | 1 | 6 | 5.8K | 6.3K |
| 408 | Quality Control | 3 | 6 | 1.9K | 4.1K |
| 408 | Discrete Mathematics | 3 | 6 | 384 | 664 |
| 408 | Geomagnetism | 3 | 6 | 845 | 1.6K |
| 408 | Wireless Communication | 1 | 6 | 976 | 1.2K |
| 408 | graph | 3 | 6 | 384 | 664 |
| 408 | Roads | 2 | 6 | 992 | 1.6K |
| 408 | viruses | 1 | 6 | 2.9K | 4.1K |
| 408 | Combinatorial analysis | 3 | 6 | 999 | 1.4K |
| 408 | lasers | 4 | 6 | 2.2K | 3.9K |
| 421 | Humanities | 3 | 5 | 2.2K | 3.6K |
| 421 | Statistics | 1 | 5 | 4.7K | 5.3K |
| 421 | Mobile Computing | 6 | 5 | 865 | 2.7K |
| 421 | Nondestructive testing | 2 | 5 | 837 | 1.5K |
| 421 | Machine Learning | 2 | 5 | 511 | 1.1K |
| 421 | Sedimentology | 2 | 5 | 1.0K | 1.9K |
| 421 | Oxidative stress | 1 | 5 | 2.4K | 3.6K |
| 421 | Diabetes mellitus | 1 | 5 | 4.1K | 5.7K |
| 421 | Cellular senescence | 1 | 5 | 1.7K | 2.8K |
| 421 | Thin Films | 1 | 5 | 1.3K | 1.7K |
| 421 | Oncogenes | 1 | 5 | 2.3K | 3.3K |
| 421 | Metabolic diseases | 1 | 5 | 4.5K | 6.0K |
| 421 | Evolutionary Computation | 2 | 5 | 505 | 1.2K |
| 421 | Mobile Commerce | 6 | 5 | 157 | 890 |
| 421 | Radioisotopes | 1 | 5 | 2.0K | 2.6K |
| 421 | Optoelectronic devices | 2 | 5 | 1.5K | 2.1K |
| 421 | foods | 2 | 5 | 478 | 1.1K |
| 421 | concrete | 1 | 5 | 1.3K | 1.7K |
| 421 | Allergy | 1 | 5 | 2.4K | 3.2K |
| 421 | Immunity | 2 | 5 | 3.0K | 5.1K |
| 421 | Diabetes | 1 | 5 | 4.2K | 5.7K |
| 421 | Isotopes | 1 | 5 | 327 | 582 |
| 443 | Information Technology | 2 | 4 | 3.6K | 5.8K |
| 443 | Computer Engineering | 1 | 4 | 1.4K | 1.9K |
| 443 | Pathology | 1 | 4 | 4.6K | 6.2K |
| 443 | Aerospace Engineering | 1 | 4 | 760 | 941 |
| 443 | Green Chemistry | 3 | 4 | 2.1K | 4.1K |
| 443 | Veterinary Pathology | 1 | 4 | 748 | 1.0K |
| 443 | Astrophysics | 1 | 4 | 4.3K | 5.0K |
| 443 | Structural health monitoring | 1 | 4 | 411 | 752 |
| 443 | Adsorption | 1 | 4 | 462 | 754 |
| 443 | Diagnosis | 1 | 4 | 1.5K | 2.2K |
| 443 | Electrochemical Analysis | 1 | 4 | 1.9K | 2.7K |
| 443 | Supramolecular chemistry | 1 | 4 | 553 | 871 |
| 443 | structural stability | 1 | 4 | 740 | 1.2K |
| 443 | Porous materials | 1 | 4 | 1.5K | 2.1K |
| 443 | disease susceptibility | 1 | 4 | 933 | 1.6K |
| 443 | Refractory materials | 2 | 4 | 241 | 359 |
| 443 | biochemical markers | 1 | 4 | 2.0K | 3.0K |
| 443 | symptoms | 1 | 4 | 933 | 1.6K |
| 461 | Obstetrics | 1 | 3 | 4.7K | 6.1K |
| 461 | Sustainable Engineering | 2 | 3 | 2.3K | 4.2K |
| 461 | Agricultural Ecology | 2 | 3 | 1.8K | 3.6K |
| 461 | Quantum electronics | 1 | 3 | 3.0K | 3.6K |
| 461 | Nuclear Fusion | 1 | 3 | 765 | 1.1K |
| 461 | Animal Nutrition | 1 | 3 | 1.0K | 1.5K |
| 461 | Electromagnetism | 2 | 3 | 1.4K | 2.5K |
| 461 | Immunogenetics | 1 | 3 | 1.6K | 2.4K |
| 461 | Adhesion | 1 | 3 | 1.1K | 1.7K |
| 461 | Magnetic Materials | 3 | 3 | 1.8K | 3.3K |
| 461 | Inflammation | 2 | 3 | 2.1K | 3.9K |
| 461 | Korea | 1 | 3 | 748 | 1.1K |
| 461 | X-rays | 1 | 3 | 1.5K | 2.0K |
| 461 | machinery | 1 | 3 | 1.3K | 1.7K |
| 461 | Microstructure | 1 | 3 | 1.1K | 1.7K |
| 461 | Electromagnetic fields | 2 | 3 | 507 | 1.1K |
| 461 | software | 1 | 3 | 1.7K | 2.8K |
| 461 | adhesives | 1 | 3 | 1.2K | 1.8K |
| 461 | health planning | 1 | 3 | 3.3K | 4.9K |
| 480 | Systems Theory | 1 | 2 | 1.4K | 2.1K |
| 480 | Food Science | 1 | 2 | 448 | 706 |
| 480 | Sustainable Architecture | 1 | 2 | 400 | 594 |
| 480 | Structural optimization | 1 | 2 | 751 | 1.2K |
| 480 | Mineralogy | 1 | 2 | 2.5K | 3.4K |
| 480 | Food Preservation | 1 | 2 | 1.5K | 2.3K |
| 480 | Statistical Mechanics | 3 | 2 | 1.1K | 2.4K |
| 480 | Combinatorial chemistry | 2 | 2 | 1.4K | 2.9K |
| 480 | Emerging infectious diseases | 1 | 2 | 826 | 1.5K |
| 480 | Biological Systems | 1 | 2 | 1.7K | 2.7K |
| 480 | Drug design | 3 | 2 | 2.2K | 4.8K |
| 480 | radiative transfer | 1 | 2 | 492 | 829 |
| 480 | Health | 2 | 2 | 3.8K | 7.2K |
| 480 | Immunohistochemistry | 1 | 2 | 514 | 881 |
| 480 | Social Systems | 1 | 2 | 497 | 893 |
| 480 | Wetland ecology | 1 | 2 | 1.1K | 1.7K |
| 480 | Wetland conservation | 1 | 2 | 796 | 1.3K |
| 480 | Computational Complexity | 1 | 2 | 1.8K | 2.5K |
| 480 | Teaching | 1 | 2 | 3.1K | 4.1K |
| 480 | Hormones | 1 | 2 | 2.4K | 3.5K |
| 480 | Sedimentary rocks | 1 | 2 | 553 | 905 |
| 480 | Steroids | 1 | 2 | 1.6K | 2.5K |
| 480 | Structure-activity relationship | 2 | 2 | 689 | 1.6K |
| 480 | carbonate rocks | 1 | 2 | 325 | 523 |
| 480 | Wetlands | 1 | 2 | 810 | 1.4K |
| 480 | Genes | 1 | 2 | 2.4K | 3.7K |
| 506 | Genetics | 1 | 1 | 7.1K | 9.4K |
| 506 | Neuropsychiatry | 1 | 1 | 2.1K | 3.0K |
| 506 | Health Education | 1 | 1 | 3.9K | 5.8K |
| 506 | health behavior | 1 | 1 | 2.2K | 3.5K |
| 506 | Mental Disorders | 1 | 1 | 6.5K | 8.6K |
| 506 | Anti-inflammatory agents | 1 | 1 | 577 | 1.1K |
| 506 | Green Technology | 1 | 1 | 992 | 1.9K |
| 506 | preventive medicine | 1 | 1 | 2.7K | 4.2K |
| 506 | E-Learning | 2 | 1 | 36 | 232 |
| 506 | Marine Geophysics | 1 | 1 | 559 | 989 |
| 506 | Marine mineral resources | 1 | 1 | 338 | 621 |
| 506 | Radio wave propagation | 1 | 1 | 1.8K | 2.6K |
| 506 | Fixed Point Theory | 2 | 1 | 471 | 972 |
| 506 | Noise control | 2 | 1 | 449 | 396 |
| 506 | Ubiquitous computing | 1 | 1 | 263 | 472 |
| 506 | Plastics | 1 | 1 | 3.1K | 4.3K |
| 506 | food handling | 1 | 1 | 1.1K | 1.9K |
| 506 | Health promotion | 1 | 1 | 3.4K | 5.2K |
| 506 | Pakistan | 2 | 1 | 575 | 1.0K |
| 506 | heredity | 1 | 1 | 1.6K | 2.5K |
| 506 | Soundproofing | 2 | 1 | 133 | 400 |
| 506 | Web-based instruction | 2 | 1 | 36 | 236 |
| 506 | Soviet Union | 1 | 1 | 1.7K | 2.3K |
| 506 | Seabed | 1 | 1 | 338 | 621 |
| 506 | Mountains | 1 | 1 | 934 | 1.4K |
| 506 | World Wide Web | 2 | 1 | 579 | 1.5K |
| 506 | Industrial noise | 2 | 1 | 56 | 203 |
| 506 | Aging | 1 | 1 | 5.5K | 7.0K |
| 506 | Agriculture | 1 | 1 | 4.3K | 5.9K |
| 506 | Plant cells | 1 | 1 | 2.0K | 3.1K |
| 536 | Anthropology | 1 | 0 | 3.2K | 4.5K |
| 536 | Geotechnical Engineering | 1 | 0 | 902 | 1.5K |
| 536 | Pharmacy | 1 | 0 | 4.0K | 5.9K |
| 536 | Rheumatology | 1 | 0 | 2.6K | 3.8K |
| 536 | Orthopedics | 1 | 0 | 3.2K | 4.6K |
| 536 | Hematology | 1 | 0 | 5.8K | 7.0K |
| 536 | Soil Mechanics | 1 | 0 | 1.6K | 2.4K |
| 536 | Ethics | 1 | 0 | 2.1K | 3.5K |
| 536 | Economic History | 1 | 0 | 6.0K | 7.8K |
| 536 | Visual Communication | 1 | 0 | 598 | 1.1K |
| 536 | Algebra | 3 | 0 | 1.5K | 2.8K |
| 536 | Crime prevention | 1 | 0 | 589 | 1.1K |
| 536 | Economic Development | 1 | 0 | 2.9K | 4.5K |
| 536 | Pharmaceutical Chemistry | 1 | 0 | 6.6K | 8.8K |
| 536 | Cytogenetics | 1 | 0 | 3.2K | 4.9K |
| 536 | Tissue Engineering | 4 | 0 | 285 | 1.3K |
| 536 | Remote Sensing | 2 | 0 | 1.4K | 3.1K |
| 536 | Computational Linguistics | 1 | 0 | 1.2K | 2.0K |
| 536 | Orthopedic Surgery | 1 | 0 | 1.9K | 2.9K |
| 536 | Electromagnetic compatibility | 1 | 0 | 773 | 1.2K |
| 536 | Infections | 1 | 0 | 2.5K | 4.0K |
| 536 | Integrated Circuits | 1 | 0 | 1.6K | 2.4K |
| 536 | Diagnostic Imaging | 1 | 0 | 4.2K | 6.0K |
| 536 | Biogeochemistry | 1 | 0 | 1.8K | 2.9K |
| 536 | Image enhancement | 1 | 0 | 280 | 669 |
| 536 | Bioinformatics | 4 | 0 | 2.6K | 6.3K |
| 536 | Crystallography | 2 | 0 | 2.5K | 4.1K |
| 536 | Organometallic compounds | 1 | 0 | 2.2K | 3.2K |
| 536 | infection | 1 | 0 | 3.3K | 5.1K |
| 536 | Ethnology | 1 | 0 | 2.9K | 4.1K |
| 536 | plasma spraying | 1 | 0 | 538 | 966 |
| 536 | Communication | 1 | 0 | 3.6K | 5.5K |
| 536 | peptides | 1 | 0 | 2.0K | 3.2K |
| 536 | medical education | 1 | 0 | 4.0K | 5.8K |
| 536 | Chromosomes | 1 | 0 | 1.6K | 2.7K |
| 536 | atmospheric models | 1 | 0 | 1.2K | 1.8K |
| 536 | drug development | 1 | 0 | 2.4K | 3.9K |
| 536 | Imaging systems | 1 | 0 | 1.4K | 2.3K |
| 536 | Microscopy | 1 | 0 | 3.8K | 5.1K |
| 536 | Chemical reactors | 1 | 0 | 281 | 596 |
| 536 | Developing countries | 1 | 0 | 3.8K | 6.1K |
| 536 | Immune system | 1 | 0 | 2.3K | 3.5K |
| 536 | Catalysts | 1 | 0 | 1.3K | 2.1K |
