| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Renewable Energy Sources | 49 | 4,403 | 193 | 159 |
| 2 | energy conservation | 50 | 3,670 | 176 | 97 |
| 3 | Materials | 59 | 3,524 | 1.7K | 1.2K |
| 4 | Water | 33 | 3,478 | 500 | 273 |
| 5 | Chemistry | 24 | 2,957 | 5.4K | 2.7K |
| 6 | Materials Science | 47 | 2,049 | 1.5K | 1.2K |
| 7 | Physics | 47 | 1,776 | 3.7K | 4.4K |
| 8 | Power Electronics | 21 | 1,744 | 341 | 183 |
| 9 | Electrical Engineering | 47 | 1,647 | 1.0K | 374 |
| 10 | Membranes | 15 | 1,391 | 546 | 259 |
| 11 | Chemical Engineering | 22 | 1,390 | 1.8K | 1.2K |
| 12 | Biology | 8 | 1,332 | 8.9K | 5.2K |
| 13 | Science | 24 | 1,295 | 6.0K | 5.6K |
| 14 | energy development | 7 | 1,218 | 419 | 216 |
| 15 | Energy Consumption | 16 | 1,210 | 71 | 42 |
| 16 | Nanotechnology | 45 | 974 | 1.7K | 2.2K |
| 17 | Hydrology | 24 | 937 | 869 | 663 |
| 18 | Carbon | 5 | 934 | 646 | 184 |
| 19 | Environment | 19 | 880 | 2.4K | 2.7K |
| 20 | Ecology | 10 | 873 | 4.5K | 3.0K |
| 21 | Polymers | 14 | 844 | 2.9K | 1.7K |
| 22 | Biocompatible Materials | 15 | 770 | 2.2K | 1.9K |
| 23 | Climatology | 25 | 765 | 637 | 710 |
| 24 | polymerization | 8 | 743 | 3.1K | 1.4K |
| 24 | Pollution | 10 | 743 | 3.7K | 2.7K |
| 26 | Technology | 14 | 716 | 2.2K | 1.2K |
| 27 | Catalysis | 28 | 710 | 1.4K | 1.6K |
| 28 | Biomass Energy | 20 | 695 | 787 | 926 |
| 29 | Colloids | 18 | 681 | 1.6K | 1.5K |
| 30 | Environmental Health | 9 | 675 | 4.1K | 2.7K |
| 31 | Manufacturing Processes | 9 | 612 | 1.3K | 543 |
| 32 | Surface Chemistry | 13 | 594 | 1.9K | 1.5K |
| 32 | Geophysics | 15 | 594 | 2.0K | 1.7K |
| 34 | Optics | 54 | 591 | 1.3K | 1.6K |
| 35 | Biochemical Engineering | 4 | 588 | 2.6K | 1.8K |
| 36 | Biotechnology | 12 | 565 | 4.3K | 3.7K |
| 37 | environmental pollution | 7 | 551 | 3.3K | 2.1K |
| 38 | Meteorology | 17 | 528 | 1.1K | 1.3K |
| 39 | Nanostructured Materials | 24 | 526 | 1.5K | 1.7K |
| 40 | Operations Research | 12 | 501 | 1.1K | 727 |
| 41 | Photonics | 8 | 497 | 1.4K | 1.0K |
| 42 | Biomedical Engineering | 7 | 495 | 4.2K | 2.4K |
| 43 | Environmental Policy | 9 | 471 | 1.8K | 1.6K |
| 44 | Research | 15 | 449 | 6.3K | 5.9K |
| 45 | Natural history | 1 | 441 | 7.8K | 5.1K |
| 46 | Production Engineering | 6 | 436 | 1.5K | 572 |
| 47 | Composite Materials | 11 | 418 | 1.1K | 814 |
| 48 | Industrial Engineering | 11 | 417 | 1.1K | 798 |
| 49 | China | 2 | 390 | 3.9K | 912 |
| 50 | Water pollution | 15 | 384 | 1.2K | 1.4K |
| 51 | Medicine | 13 | 365 | 8.2K | 8.2K |
| 52 | water supply | 10 | 356 | 578 | 594 |
| 53 | Automation | 5 | 340 | 1.8K | 1.0K |
| 54 | Light | 1 | 328 | 2.1K | 990 |
| 55 | radioactive waste | 5 | 327 | 485 | 470 |
| 55 | industrial waste | 5 | 327 | 542 | 479 |
| 55 | Hazardous waste | 5 | 327 | 638 | 518 |
| 58 | Artificial Intelligence | 18 | 325 | 1.8K | 1.9K |
| 59 | Analytical Chemistry | 4 | 309 | 4.8K | 2.9K |
| 60 | Optical materials | 7 | 300 | 1.9K | 1.8K |
| 61 | Environmental Management | 5 | 292 | 2.3K | 1.9K |
| 62 | Bioremediation | 2 | 290 | 889 | 205 |
| 63 | Process Control | 2 | 281 | 465 | 219 |
| 63 | Production Management | 2 | 281 | 1.1K | 602 |
| 65 | Solar Energy | 8 | 267 | 491 | 464 |
| 66 | city planning | 8 | 266 | 927 | 668 |
| 67 | Electrochemistry | 23 | 251 | 1.5K | 1.9K |
| 68 | nanoscience | 11 | 244 | 1.9K | 2.4K |
| 69 | Nanostructures | 8 | 241 | 1.4K | 1.5K |
| 70 | Systems Engineering | 9 | 233 | 1.4K | 1.0K |
| 71 | Environmental monitoring | 6 | 227 | 3.1K | 3.0K |
| 72 | Environmental Chemistry | 4 | 223 | 2.4K | 1.9K |
| 73 | Geology | 2 | 219 | 3.8K | 1.7K |
| 74 | Signal Processing | 6 | 212 | 2.0K | 1.7K |
| 75 | Atmospheric Physics | 9 | 209 | 1.0K | 1.2K |
| 76 | Green Chemistry | 5 | 202 | 1.7K | 1.6K |
| 77 | Marine Biology | 4 | 200 | 2.5K | 1.9K |
| 77 | Marine Pollution | 4 | 200 | 934 | 809 |
| 79 | Magnetic Materials | 3 | 198 | 1.8K | 1.1K |
| 80 | actuators | 7 | 197 | 857 | 898 |
| 80 | transducers | 7 | 197 | 857 | 898 |
| 82 | Sustainable Engineering | 5 | 196 | 1.5K | 1.4K |
| 83 | mass transfer | 4 | 195 | 920 | 553 |
| 83 | computer networks | 4 | 195 | 2.2K | 1.3K |
| 85 | Microbiology | 6 | 192 | 6.4K | 6.5K |
| 86 | System analysis | 6 | 190 | 1.9K | 1.3K |
| 87 | Energy Conversion | 2 | 189 | 1.6K | 1.3K |
| 88 | Planets | 3 | 183 | 1.9K | 1.6K |
| 89 | Mechanical Engineering | 9 | 175 | 1.7K | 1.1K |
| 90 | Combinatorial optimization | 4 | 172 | 448 | 116 |
| 91 | Electronics | 9 | 168 | 2.7K | 2.5K |
| 92 | Information Systems | 3 | 161 | 1.6K | 999 |
| 93 | Molecular Biology | 3 | 158 | 9.5K | 8.1K |
| 94 | Hydrometeorology | 5 | 157 | 162 | 252 |
| 95 | Engineering | 9 | 155 | 3.0K | 2.7K |
| 96 | Metallurgy | 9 | 153 | 1.5K | 1.4K |
| 97 | Biodiversity conservation | 1 | 143 | 3.1K | 2.2K |
| 98 | Environmental Engineering | 5 | 141 | 3.7K | 3.8K |
| 99 | Technological Innovations | 2 | 137 | 1.4K | 528 |
| 100 | Sustainable Development | 4 | 133 | 1.8K | 1.7K |
| 101 | Global Health | 1 | 127 | 2.6K | 700 |
| 101 | Climate change | 1 | 127 | 2.1K | 1.8K |
| 103 | Oceanography | 5 | 126 | 1.5K | 1.4K |
| 103 | sanitation | 3 | 126 | 2.1K | 2.4K |
| 105 | Software Engineering | 4 | 125 | 1.1K | 752 |
| 106 | Production Planning | 1 | 124 | 585 | 241 |
| 106 | Pharmaceutical Chemistry | 1 | 124 | 6.6K | 4.0K |
| 106 | Production Control | 1 | 124 | 567 | 241 |
| 109 | Mathematics | 6 | 123 | 5.2K | 3.6K |
| 110 | Microbial Ecology | 3 | 121 | 2.9K | 3.1K |
| 110 | atmosphere | 4 | 121 | 414 | 403 |
| 112 | Urban Policy | 3 | 117 | 566 | 482 |
| 113 | biopolymers | 6 | 116 | 1.0K | 1.2K |
| 114 | Control Theory | 3 | 115 | 1.9K | 1.3K |
| 115 | Building Materials | 3 | 112 | 1.1K | 1.1K |
| 116 | Public Policy | 3 | 107 | 1.9K | 1.6K |
| 116 | Systems Analysis | 3 | 107 | 1.3K | 879 |
| 118 | Metals | 7 | 106 | 1.4K | 1.4K |
| 119 | environmental protection | 3 | 104 | 4.1K | 3.8K |
| 120 | bioclimatology | 3 | 103 | 1.1K | 892 |
| 121 | vibration | 1 | 101 | 2.0K | 807 |
| 122 | Toxicology | 2 | 100 | 6.4K | 5.2K |
| 122 | Environmental Toxicology | 2 | 100 | 3.5K | 3.1K |
| 122 | pollutants | 2 | 100 | 2.5K | 2.2K |
| 122 | Environmental pollutants | 2 | 100 | 3.1K | 2.5K |
| 122 | environmental exposure | 2 | 100 | 2.9K | 2.1K |
| 127 | Mineralogy | 6 | 99 | 1.2K | 1.3K |
| 128 | Community Psychiatry | 1 | 98 | 2.4K | 1.4K |
| 128 | Mental Disorders | 1 | 98 | 6.5K | 4.0K |
| 128 | Mental Health Services | 1 | 98 | 2.9K | 1.4K |
| 128 | Mental illness | 1 | 98 | 4.3K | 2.8K |
| 128 | Psychiatric hospitals | 1 | 98 | 991 | 460 |
| 133 | Adhesion | 5 | 97 | 358 | 346 |
| 133 | adhesives | 5 | 97 | 408 | 351 |
| 135 | Ceramics | 1 | 94 | 2.9K | 1.5K |
| 135 | Glass | 1 | 94 | 2.2K | 1.3K |
| 135 | pottery | 1 | 94 | 2.1K | 1.3K |
| 138 | biological monitoring | 4 | 91 | 499 | 623 |
| 139 | Stochastic Processes | 6 | 90 | 661 | 715 |
| 139 | Ultrasonics | 3 | 90 | 1.2K | 1.4K |
| 139 | Earth Sciences | 6 | 90 | 2.6K | 2.7K |
| 142 | Cellulose | 2 | 88 | 885 | 737 |
| 143 | Ecohydrology | 1 | 87 | 743 | 332 |
| 143 | Soft Condensed Matter | 5 | 87 | 1.0K | 1.2K |
| 143 | Aquatic ecology | 1 | 87 | 1.9K | 1.0K |
| 146 | solar power | 2 | 82 | 447 | 484 |
| 146 | solar cells | 2 | 82 | 709 | 712 |
| 148 | Bioengineering | 2 | 81 | 6.1K | 5.6K |
| 149 | Nanoparticles | 3 | 80 | 2.3K | 2.3K |
| 149 | miniaturization | 3 | 80 | 2.4K | 2.7K |
| 151 | Mineral resources | 1 | 78 | 327 | 282 |
| 152 | Cybernetics | 1 | 75 | 2.9K | 1.8K |
| 152 | Numerical Analysis | 2 | 75 | 3.0K | 1.9K |
| 152 | Air Conditioning | 5 | 75 | 123 | 130 |
| 152 | Ventilation | 5 | 75 | 432 | 635 |
| 152 | heating | 5 | 75 | 99 | 119 |
| 157 | Geochemical Modeling | 2 | 74 | 412 | 333 |
| 157 | geological modeling | 2 | 74 | 726 | 471 |
| 159 | Waste management | 5 | 73 | 1.3K | 1.5K |
| 160 | Energy Policy | 3 | 71 | 1.9K | 2.3K |
| 161 | Fracture mechanics | 2 | 66 | 1.3K | 1.0K |
| 161 | Information Science | 3 | 66 | 2.1K | 2.0K |
| 163 | Ultrasound | 2 | 65 | 911 | 820 |
| 164 | Requirements Engineering | 2 | 63 | 91 | 131 |
| 165 | Statistics | 2 | 62 | 3.8K | 2.7K |
| 165 | Database Management | 2 | 62 | 916 | 772 |
| 165 | Telecommunication Systems | 1 | 62 | 2.7K | 1.3K |
| 165 | Water quality management | 5 | 62 | 1.7K | 2.3K |
| 169 | energy resources | 1 | 61 | 1.4K | 1.4K |
| 170 | Hydraulic Engineering | 2 | 59 | 1.2K | 896 |
| 170 | Electromagnetism | 1 | 59 | 1.9K | 1.1K |
| 170 | Bibliometrics | 1 | 59 | 130 | 94 |
| 170 | natural gas | 3 | 59 | 371 | 378 |
| 174 | Solid State Physics | 6 | 57 | 3.3K | 3.9K |
| 175 | Solid State Chemistry | 1 | 56 | 3.0K | 2.0K |
| 176 | Natural resources | 1 | 55 | 1.3K | 921 |
| 176 | Hydrodynamics | 1 | 55 | 770 | 493 |
| 178 | Greenhouse gases | 3 | 54 | 213 | 363 |
| 179 | Psychology | 2 | 52 | 7.5K | 6.6K |
| 179 | Computer Science | 4 | 52 | 2.2K | 2.1K |
| 179 | Radiation | 1 | 52 | 3.5K | 2.3K |
| 179 | Water Purification | 4 | 52 | 1.2K | 1.5K |
| 179 | Ultrasonic Imaging | 1 | 52 | 895 | 615 |
| 184 | Photography | 35 | 51 | 372 | 695 |
| 184 | Industrial Microbiology | 3 | 51 | 2.4K | 3.3K |
| 184 | food technology | 1 | 51 | 3.9K | 3.2K |
| 184 | Climate | 2 | 51 | 795 | 882 |
| 184 | weather | 2 | 51 | 759 | 826 |
| 189 | Botany | 3 | 50 | 4.4K | 5.0K |
| 189 | air quality | 1 | 50 | 593 | 362 |
| 191 | Remote Sensing | 5 | 49 | 804 | 1.1K |
| 191 | ports | 2 | 49 | 270 | 279 |
| 193 | fuel cells | 3 | 48 | 1.5K | 1.9K |
| 194 | Information Theory | 1 | 46 | 2.4K | 1.7K |
| 194 | Linguistics | 1 | 46 | 2.8K | 1.3K |
| 194 | Psycholinguistics | 1 | 46 | 1.6K | 1.2K |
| 194 | Intelligence | 1 | 46 | 502 | 412 |
| 194 | Cognition | 1 | 46 | 2.9K | 2.3K |
| 199 | Measurement | 4 | 45 | 808 | 1.1K |
| 199 | Marine resources | 1 | 45 | 839 | 581 |
| 201 | Nonlinear systems | 1 | 44 | 1.2K | 773 |
| 202 | electric vehicles | 2 | 43 | 379 | 326 |
| 203 | atmospheric models | 2 | 42 | 930 | 1.1K |
| 204 | Economics | 5 | 41 | 3.8K | 4.1K |
| 204 | Kinetics | 2 | 41 | 823 | 764 |
| 204 | Physical Chemistry | 3 | 41 | 2.9K | 3.5K |
| 204 | Chemical kinetics | 2 | 41 | 1.2K | 818 |
| 208 | Geomorphology | 1 | 39 | 1.6K | 1.5K |
| 208 | Astrophysics | 2 | 39 | 3.7K | 3.5K |
| 210 | Environmental Microbiology | 1 | 37 | 2.8K | 3.0K |
| 210 | soil microbiology | 1 | 37 | 2.5K | 2.8K |
| 210 | internet | 2 | 37 | 1.9K | 1.8K |
| 213 | Medical Laboratory Science | 2 | 36 | 3.4K | 4.2K |
| 213 | Transportation | 2 | 36 | 1.9K | 1.9K |
| 213 | Roads | 2 | 36 | 992 | 867 |
| 216 | Nanochemistry | 2 | 35 | 1.7K | 1.8K |
| 217 | Protective coatings | 1 | 34 | 403 | 160 |
| 218 | Machine Learning | 1 | 33 | 753 | 607 |
| 219 | Human Geography | 1 | 32 | 1.9K | 1.4K |
| 219 | Urban Geography | 1 | 32 | 448 | 352 |
| 219 | Multimedia Systems | 2 | 32 | 2.4K | 2.1K |
| 222 | Data Mining | 2 | 31 | 2.5K | 2.9K |
| 223 | Computational Biology | 3 | 30 | 4.1K | 5.2K |
| 223 | coal | 1 | 30 | 1.3K | 1.6K |
| 223 | Molecular structure | 1 | 30 | 3.9K | 3.4K |
| 226 | Digital humanities | 1 | 29 | 197 | 165 |
| 226 | Biomolecules | 1 | 29 | 1.1K | 1.2K |
| 228 | Internet of Things | 1 | 28 | 1.6K | 1.4K |
| 228 | Microelectronics | 3 | 28 | 2.1K | 3.0K |
| 230 | Engineering Mathematics | 4 | 27 | 2.7K | 3.2K |
| 231 | Intelligent Transportation Systems | 1 | 26 | 1.8K | 1.7K |
| 232 | Biochemistry | 2 | 25 | 10.7K | 12.0K |
| 232 | Evolutionary economics | 1 | 25 | 378 | 336 |
| 232 | Sonochemistry | 1 | 25 | 1.0K | 1.4K |
| 232 | plasma spraying | 2 | 25 | 377 | 501 |
| 232 | Social behavior | 1 | 25 | 2.2K | 2.2K |
| 232 | Algal blooms | 1 | 25 | 420 | 550 |
| 232 | biological evolution | 1 | 25 | 3.9K | 4.2K |
| 232 | Cyanobacteria | 1 | 25 | 420 | 550 |
| 232 | microalgae | 1 | 25 | 420 | 550 |
| 232 | Population Dynamics | 1 | 25 | 429 | 415 |
| 242 | Mobile Computing | 1 | 24 | 2.2K | 1.7K |
| 242 | Wireless Communication Systems | 1 | 24 | 3.7K | 3.2K |
| 242 | Computational Complexity | 3 | 24 | 1.0K | 1.3K |
| 245 | Game Theory | 4 | 23 | 414 | 715 |
| 245 | Plant Ecology | 2 | 23 | 2.2K | 3.0K |
| 245 | Calorimetry | 1 | 23 | 2.2K | 2.0K |
| 245 | Thermal analysis | 1 | 23 | 2.2K | 2.0K |
| 245 | Plants | 2 | 23 | 3.1K | 3.9K |
| 250 | Structural Engineering | 2 | 22 | 1.8K | 1.9K |
| 250 | Crystal growth | 1 | 22 | 1.9K | 2.0K |
| 252 | Traffic Engineering | 1 | 21 | 840 | 910 |
| 252 | Atmospheric Chemistry | 1 | 21 | 1.6K | 2.0K |
| 252 | Highway Engineering | 1 | 21 | 788 | 717 |
| 252 | Municipal Engineering | 1 | 21 | 818 | 886 |
| 252 | Microwaves | 1 | 21 | 2.5K | 2.1K |
| 257 | Water Conservation | 1 | 20 | 206 | 180 |
| 257 | Logic Programming | 2 | 20 | 335 | 364 |
| 257 | Middle East | 2 | 20 | 1.4K | 964 |
| 260 | Materials Engineering | 2 | 19 | 1.1K | 1.3K |
| 260 | Nuclear Physics | 1 | 19 | 5.8K | 5.2K |
| 260 | Sustainable urban development | 1 | 19 | 162 | 136 |
| 260 | Microfabrication | 2 | 19 | 545 | 919 |
| 260 | Virology | 2 | 19 | 4.7K | 6.4K |
| 260 | Nanomanufacturing | 2 | 19 | 100 | 106 |
| 260 | Molecules | 1 | 19 | 2.6K | 2.3K |
| 260 | Mechanics | 2 | 19 | 1.8K | 2.0K |
| 260 | Metrology | 2 | 19 | 170 | 150 |
| 269 | Civil Engineering | 2 | 18 | 2.5K | 2.4K |
| 269 | Petroleum Engineering | 1 | 18 | 1.2K | 1.2K |
| 269 | Architectural Design | 1 | 18 | 894 | 633 |
| 269 | Semiconductors | 2 | 18 | 1.8K | 2.1K |
| 269 | Simulation Methods | 2 | 18 | 652 | 856 |
| 274 | Optical Communications | 1 | 17 | 1.6K | 1.4K |
| 274 | Organizational change | 1 | 17 | 1.4K | 1.4K |
| 274 | corporate culture | 1 | 17 | 356 | 476 |
| 277 | Fluid Dynamics | 3 | 16 | 1.1K | 1.8K |
| 277 | hazard mitigation | 1 | 16 | 1.9K | 2.2K |
| 277 | natural disasters | 1 | 16 | 2.5K | 2.8K |
| 280 | Photochemistry | 2 | 15 | 2.2K | 3.3K |
| 280 | Photobiology | 2 | 15 | 1.5K | 2.4K |
| 280 | Chemical processes | 1 | 15 | 1.3K | 1.4K |
| 283 | Economic History | 1 | 14 | 6.0K | 4.8K |
| 283 | Superconductors | 1 | 14 | 1.6K | 1.5K |
| 283 | United States | 3 | 14 | 7.3K | 10.2K |
| 283 | Detectors | 1 | 14 | 2.9K | 3.0K |
| 287 | Mathematical Physics | 1 | 13 | 4.6K | 3.8K |
| 287 | Ferroelectricity | 1 | 13 | 2.0K | 1.8K |
| 287 | Sound | 1 | 13 | 2.1K | 2.0K |
| 287 | Product life cycle | 1 | 13 | 708 | 966 |
| 287 | Radio | 1 | 13 | 2.8K | 2.9K |
| 287 | green products | 1 | 13 | 645 | 912 |
| 287 | Petroleum | 2 | 13 | 470 | 622 |
| 287 | Radio frequency | 1 | 13 | 1.2K | 1.3K |
| 295 | Biogeochemistry | 1 | 12 | 1.8K | 2.5K |
| 295 | Biodiversity | 1 | 12 | 4.4K | 4.9K |
| 297 | Computer Engineering | 1 | 11 | 1.4K | 1.5K |
| 298 | Microstructure | 1 | 10 | 1.1K | 1.2K |
| 299 | Nondestructive testing | 4 | 9 | 540 | 1.3K |
| 299 | Extreme environments | 1 | 9 | 568 | 940 |
| 301 | genre | 1 | 8 | 367 | 340 |
| 301 | computable functions | 1 | 8 | 45 | 70 |
| 301 | Developing countries | 1 | 8 | 3.8K | 4.7K |
| 304 | Social Sciences | 2 | 7 | 5.5K | 6.9K |
| 304 | Biostatistics | 1 | 7 | 454 | 495 |
| 304 | Sleep Disorders | 1 | 7 | 3.1K | 3.7K |
| 304 | Computer-Aided Design | 1 | 7 | 2.1K | 2.6K |
| 304 | Heat Exchangers | 1 | 7 | 1.0K | 1.7K |
| 304 | Expert Systems | 1 | 7 | 578 | 813 |
| 304 | Fiber Optics | 2 | 7 | 1.1K | 1.9K |
| 304 | public works | 1 | 7 | 223 | 359 |
| 304 | Respiration | 1 | 7 | 2.9K | 3.9K |
| 304 | Sleep | 1 | 7 | 3.1K | 3.7K |
| 314 | Neural circuitry | 1 | 6 | 2.9K | 3.9K |
| 314 | Behavior | 1 | 6 | 5.5K | 7.3K |
| 316 | Fluid Mechanics | 1 | 5 | 3.4K | 4.0K |
| 316 | Thermodynamics | 2 | 5 | 1.1K | 1.9K |
| 316 | Higher Education | 1 | 5 | 1.1K | 1.5K |
| 316 | Education policy | 1 | 5 | 182 | 373 |
| 316 | Environmental risk assessment | 2 | 5 | 633 | 1.5K |
| 321 | Biophysics | 1 | 4 | 9.4K | 11.2K |
| 321 | Applied Mathematics | 1 | 4 | 2.0K | 2.0K |
| 321 | Risk Management | 1 | 4 | 1.7K | 2.6K |
| 321 | Mass Spectrometry | 1 | 4 | 2.5K | 3.5K |
| 321 | Ocean Engineering | 1 | 4 | 1.6K | 2.4K |
| 321 | Formal Languages | 1 | 4 | 503 | 659 |
| 321 | Waterways | 1 | 4 | 178 | 281 |
| 321 | Harbors | 1 | 4 | 232 | 365 |
| 329 | Energy Storage | 1 | 3 | 2.3K | 2.9K |
| 329 | Information visualization | 2 | 3 | 282 | 735 |
| 329 | terrorism | 1 | 3 | 623 | 910 |
| 329 | Multivariate Analysis | 1 | 3 | 623 | 974 |
| 329 | Nonlinear Dynamics | 1 | 3 | 3.5K | 4.6K |
| 329 | visualization | 2 | 3 | 2.7K | 3.7K |
| 329 | Korea | 1 | 3 | 748 | 1.1K |
| 329 | energy transfer | 1 | 3 | 34 | 87 |
| 329 | information warfare | 1 | 3 | 37 | 76 |
| 329 | Statistical physics | 1 | 3 | 5.3K | 6.6K |
| 339 | Graph Theory | 1 | 2 | 1.4K | 1.7K |
| 339 | Discrete Mathematics | 1 | 2 | 726 | 882 |
| 339 | Sensor Networks | 1 | 2 | 305 | 551 |
| 339 | graph | 1 | 2 | 726 | 882 |
| 339 | Combinatorial analysis | 1 | 2 | 1.5K | 1.8K |
| 344 | Industrial Statistics | 1 | 1 | 520 | 870 |
| 344 | Economic Development | 1 | 1 | 2.9K | 4.3K |
| 344 | Algorithms | 1 | 1 | 1.3K | 2.0K |
| 344 | sustainability | 1 | 1 | 1.7K | 2.8K |
| 348 | Bioinformatics | 1 | 0 | 4.4K | 6.3K |
| 348 | Drying | 1 | 0 | 820 | 1.4K |
| 348 | Testing | 1 | 0 | 268 | 555 |
| 348 | finance | 1 | 0 | 3.4K | 4.7K |
