| 1 | Meteorology | 3,295 | 74.2K | 2 | 18 |
| 2 | Science | 1,417 | 60.9K | 518 | 609 |
| 3 | Atmosphere | 1,699 | 53.7K | 3 | 19 |
| 4 | Climatology | 1,746 | 50.7K | 1 | 19 |
| 5 | Environmental Sciences | 1,300 | 47.6K | 33 | 53 |
| 6 | Remote Sensing | 1,704 | 46.0K | 6 | 19 |
| 7 | Geophysics | 1,469 | 45.2K | 31 | 73 |
| 8 | Atmospheric Physics | 1,230 | 43.3K | 3 | 24 |
| 9 | Earth Sciences | 701 | 28.2K | 43 | 95 |
| 10 | Chemistry | 755 | 28.0K | 943 | 848 |
| 11 | Environmental Science | 668 | 25.5K | 26 | 81 |
| 12 | Atmospheric Chemistry | 432 | 21.6K | 12 | 31 |
| 13 | Atmospheric Science | 1,044 | 20.4K | 1 | 8 |
| 14 | Pollution | 557 | 19.3K | 49 | 99 |
| 15 | Artificial Intelligence | 478 | 18.6K | 67 | 94 |
| 16 | Environment | 273 | 16.6K | 74 | 135 |
| 17 | Sustainability | 515 | 16.1K | 67 | 121 |
| 18 | Multidisciplinary Sciences | 512 | 15.6K | 712 | 660 |
| 19 | Engineering | 928 | 15.6K | 303 | 375 |
| 20 | Environmental Pollution | 450 | 15.4K | 58 | 109 |
| 21 | Materials Science | 539 | 15.2K | 674 | 592 |
| 22 | Ecology | 427 | 13.9K | 377 | 505 |
| 23 | Nanotechnology | 202 | 10.9K | 510 | 460 |
| 24 | Physics | 763 | 10.9K | 848 | 1,049 |
| 25 | Power Resources | 228 | 10.1K | 323 | 374 |
| 26 | Image Processing | 318 | 9.8K | 60 | 118 |
| 27 | Signal Processing | 300 | 9.7K | 102 | 147 |
| 28 | Computers | 243 | 9.6K | 164 | 182 |
| 29 | Hydrology | 310 | 9.2K | 86 | 161 |
| 30 | Mathematics | 854 | 8.7K | 419 | 530 |
| 31 | Materials | 204 | 8.3K | 854 | 747 |
| 32 | Computer Science | 297 | 8.2K | 366 | 260 |
| 33 | Information Science | 206 | 8.1K | 107 | 25 |
| 34 | Water | 289 | 7.5K | 132 | 262 |
| 35 | Environmental Monitoring | 213 | 7.5K | 52 | 98 |
| 36 | Chemical Engineering | 223 | 7.4K | 582 | 530 |
| 37 | Optics | 617 | 7.3K | 205 | 371 |
| 38 | Climate Change | 132 | 7.2K | 81 | 229 |
| 39 | Environmental Engineering | 240 | 6.9K | 133 | 221 |
| 40 | Climatic Changes | 95 | 6.6K | 131 | 274 |
| 41 | Computer Security | 112 | 6.5K | 51 | 23 |
| 42 | Soft Computing | 168 | 6.0K | 21 | 13 |
| 43 | Energy | 139 | 5.8K | 364 | 399 |
| 44 | Environmental Chemistry | 147 | 5.5K | 152 | 212 |
| 45 | Wireless Communication Systems | 181 | 5.4K | 122 | 153 |
| 46 | Pattern Recognition Systems | 49 | 5.4K | 148 | 118 |
| 47 | Oceanography | 359 | 5.2K | 81 | 184 |
| 48 | Automated Pattern Recognition | 35 | 5.2K | 172 | 115 |
| 49 | Conservation of Natural Resources | 192 | 5.2K | 97 | 292 |
| 50 | Artificial Neural Networks | 98 | 5.1K | 67 | 102 |
| 51 | Agriculture | 216 | 5.0K | 252 | 246 |
| 52 | Artificial Neural Network | 74 | 4.8K | 79 | 96 |
| 53 | Natural Resources | 148 | 4.7K | 55 | 133 |
| 54 | Neurocomputing | 128 | 4.7K | 47 | 46 |
| 55 | Multimedia Systems | 183 | 4.7K | 33 | 36 |
| 56 | Computer Networks | 161 | 4.7K | 246 | 147 |
| 57 | Public Health | 149 | 4.6K | 905 | 747 |
| 58 | Electrical Engineering | 343 | 4.6K | 269 | 466 |
| 59 | Photonics | 287 | 4.6K | 166 | 362 |
| 60 | Sensor | 244 | 4.6K | 92 | 175 |
| 61 | Cybernetics | 99 | 4.5K | 83 | 105 |
| 62 | Automation | 102 | 4.4K | 227 | 256 |
| 63 | Multimedia | 161 | 4.4K | 35 | 34 |
| 64 | Telecommunication | 172 | 4.3K | 173 | 235 |
| 65 | Internet | 143 | 4.2K | 43 | 80 |
| 66 | Renewable Energy Sources | 59 | 4.1K | 346 | 342 |
| 67 | Internet of Things | 143 | 4.1K | 39 | 68 |
| 68 | Industrial Electronics | 82 | 4.0K | 122 | 172 |
| 69 | Environmental Policy | 131 | 3.9K | 65 | 153 |
| 70 | Geology | 61 | 3.9K | 819 | 534 |
| 71 | Catalysis | 90 | 3.9K | 638 | 645 |
| 72 | Environmental Management | 129 | 3.8K | 41 | 119 |
| 73 | Fuzzy Systems | 135 | 3.8K | 8 | 5 |
| 74 | Natural Environment | 40 | 3.8K | 145 | 103 |
| 75 | Environmental Resource Management | 121 | 3.8K | 40 | 101 |
| 76 | Knowledge Representation | 65 | 3.7K | 43 | 27 |
| 76 | Knowledge Based Systems | 65 | 3.7K | 43 | 27 |
| 78 | Electronics | 286 | 3.7K | 209 | 338 |
| 79 | Soils | 99 | 3.6K | 102 | 133 |
| 80 | Nanostructured Materials | 58 | 3.6K | 360 | 259 |
| 81 | Global Warming | 21 | 3.4K | 112 | 163 |
| 82 | Surface Physics | 78 | 3.3K | 412 | 259 |
| 83 | Man Machine Systems | 33 | 3.3K | 146 | 110 |
| 84 | Global Change | 99 | 3.3K | 11 | 33 |
| 85 | Surface Technology | 70 | 3.2K | 288 | 181 |
| 86 | Television | 86 | 3.2K | 39 | 44 |
| 87 | Measurement | 189 | 3.1K | 128 | 275 |
| 88 | Intelligent Transportation Systems | 66 | 3.0K | 81 | 86 |
| 89 | Chaotic Behavior in Systems | 90 | 2.9K | 86 | 81 |
| 90 | Biotechnology | 63 | 2.9K | 1,209 | 1,169 |
| 91 | Electronics in Transportation | 62 | 2.9K | 72 | 83 |
| 92 | Antennas | 102 | 2.8K | 140 | 166 |
| 93 | Fuel | 67 | 2.8K | 270 | 261 |
| 94 | Telecommunications | 110 | 2.8K | 211 | 332 |
| 95 | Soil Science | 85 | 2.8K | 117 | 134 |
| 95 | Condensed Matter Physics | 126 | 2.8K | 828 | 933 |
| 97 | Sustainable Energy | 27 | 2.7K | 194 | 257 |
| 98 | Nonlinear Theories | 90 | 2.7K | 235 | 196 |
| 99 | Environmental Health | 122 | 2.7K | 221 | 428 |
| 100 | Botany | 95 | 2.7K | 975 | 1,105 |
| 101 | Expert Systems | 76 | 2.7K | 83 | 125 |
| 102 | Water Pollution | 80 | 2.7K | 327 | 460 |
| 103 | Operations Research | 81 | 2.6K | 495 | 504 |
| 104 | Toxicology | 108 | 2.6K | 758 | 931 |
| 105 | Applied Chemistry | 52 | 2.6K | 443 | 424 |
| 106 | Sustainable Development | 85 | 2.6K | 89 | 189 |
| 107 | Technology | 62 | 2.6K | 349 | 233 |
| 108 | Energy Policy | 41 | 2.5K | 194 | 197 |
| 109 | Agricultural Meteorology | 65 | 2.5K | 36 | 86 |
| 109 | Forest Meteorology | 65 | 2.5K | 30 | 82 |
| 111 | Parallel Computing | 29 | 2.5K | 201 | 60 |
| 112 | Electrochemistry | 74 | 2.5K | 977 | 822 |
| 113 | Television Circuits | 80 | 2.5K | 37 | 53 |
| 113 | Video Technology | 80 | 2.5K | 37 | 53 |
| 115 | Natural Disasters | 116 | 2.4K | 11 | 46 |
| 116 | Analytical Chemistry | 104 | 2.4K | 996 | 1,142 |
| 117 | Systems Engineering | 78 | 2.3K | 308 | 122 |
| 118 | Hazard Mitigation | 112 | 2.3K | 6 | 24 |
| 119 | Environmental Indicators | 60 | 2.3K | 44 | 56 |
| 120 | Colloids | 41 | 2.2K | 1,056 | 873 |
| 121 | Nonlinear Dynamics | 58 | 2.2K | 150 | 109 |
| 122 | Environmental Research | 90 | 2.1K | 68 | 171 |
| 123 | Surface Chemistry | 40 | 2.1K | 1,041 | 790 |
| 124 | Economics | 86 | 2.1K | 1,142 | 951 |
| 125 | Water Quality | 51 | 2.1K | 326 | 407 |
| 126 | Global Environmental Change | 32 | 2.0K | 147 | 199 |
| 127 | Land Use | 71 | 2.0K | 124 | 120 |
| 128 | Parallel Processing | 8 | 2.0K | 345 | 56 |
| 128 | Parallel Computers | 8 | 2.0K | 281 | 51 |
| 128 | Distributed Systems | 8 | 2.0K | 244 | 49 |
| 128 | Distributed Data Processing | 8 | 2.0K | 242 | 48 |
| 132 | Environmental Toxicology | 69 | 2.0K | 345 | 518 |
| 133 | Environmental Catalysis | 20 | 1.9K | 322 | 314 |
| 134 | Computer | 329 | 1.9K | 496 | 619 |
| 135 | Multisensor Data Fusion | 35 | 1.9K | 23 | 56 |
| 136 | Geomorphology | 61 | 1.9K | 166 | 247 |
| 137 | Biomedical Engineering | 74 | 1.9K | 894 | 861 |
| 138 | Detectors | 85 | 1.9K | 73 | 109 |
| 139 | Pattern Recognition | 71 | 1.9K | 110 | 208 |
| 140 | Agronomy | 105 | 1.8K | 279 | 434 |
| 141 | Plants | 54 | 1.8K | 772 | 864 |
| 142 | Bioclimatology | 21 | 1.8K | 38 | 11 |
| 142 | Biometeorology | 21 | 1.8K | 31 | 11 |
| 144 | Radio | 35 | 1.8K | 251 | 168 |
| 145 | Neurology | 8 | 1.8K | 3,224 | 1,577 |
| 146 | Mobile Computing | 56 | 1.8K | 104 | 107 |
| 147 | Photogrammetry | 54 | 1.8K | 88 | 71 |
| 148 | Wireless Communication | 46 | 1.8K | 181 | 201 |
| 149 | Computer Vision | 54 | 1.7K | 153 | 238 |
| 150 | Medical Imaging | 22 | 1.7K | 451 | 293 |
| 151 | Information Theory in Mathematics | 34 | 1.7K | 23 | 61 |
| 152 | Physical Chemistry | 84 | 1.7K | 1,161 | 1,288 |
| 153 | Energy Materials | 17 | 1.7K | 461 | 316 |
| 154 | Social Change | 17 | 1.6K | 199 | 132 |
| 154 | Technological Forecasting | 17 | 1.6K | 182 | 132 |
| 156 | Automatic Control | 92 | 1.6K | 542 | 541 |
| 157 | Chaos Theory | 39 | 1.6K | 121 | 97 |
| 158 | Mathematical Analysis | 102 | 1.6K | 282 | 276 |
| 159 | Electromagnetism | 57 | 1.5K | 60 | 70 |
| 159 | Electromagnetic Waves | 57 | 1.5K | 65 | 73 |
| 159 | Wave Propagation | 57 | 1.5K | 51 | 69 |
| 162 | Soil Biology | 39 | 1.5K | 166 | 250 |
| 163 | Computational Intelligence | 51 | 1.5K | 165 | 59 |
| 164 | Quaternary Geologic Period | 38 | 1.5K | 287 | 292 |
| 164 | Quaternary Geology | 38 | 1.5K | 284 | 292 |
| 166 | Imaging Systems in Medicine | 15 | 1.5K | 420 | 290 |
| 167 | Green Chemistry | 22 | 1.4K | 683 | 538 |
| 168 | Microbiology | 58 | 1.4K | 1,870 | 2,128 |
| 169 | Air | 81 | 1.4K | 1 | 7 |
| 170 | Inorganic Chemistry | 81 | 1.4K | 887 | 1,002 |
| 171 | Industrial Engineering | 50 | 1.4K | 354 | 223 |
| 172 | Water Supply | 37 | 1.4K | 208 | 263 |
| 173 | Soil Ecology | 54 | 1.4K | 65 | 122 |
| 174 | Spectrum Analysis | 88 | 1.4K | 360 | 527 |
| 175 | Soil Conservation | 53 | 1.3K | 25 | 42 |
| 176 | Environmental Pollutants | 48 | 1.3K | 285 | 387 |
| 177 | Information Technology | 76 | 1.3K | 173 | 387 |
| 178 | Disaster Studies | 20 | 1.3K | 91 | 28 |
| 179 | Household Electronics | 54 | 1.3K | 22 | 22 |
| 180 | Pollutants | 42 | 1.3K | 236 | 329 |
| 181 | Geobiology | 34 | 1.3K | 91 | 109 |
| 182 | Chaos | 47 | 1.3K | 73 | 79 |
| 183 | Forestry | 80 | 1.3K | 273 | 397 |
| 184 | Water Resources | 35 | 1.3K | 140 | 120 |
| 185 | Mobile Communication Systems | 44 | 1.2K | 132 | 167 |
| 186 | Ecotoxicology | 37 | 1.2K | 142 | 200 |
| 187 | Sustainable Engineering | 23 | 1.2K | 370 | 295 |
| 188 | Radiography | 6 | 1.2K | 544 | 236 |
| 189 | Statistical Physics | 50 | 1.2K | 305 | 291 |
| 190 | Hydrogen as Fuel | 31 | 1.2K | 545 | 572 |
| 190 | Hydrogen Fuel | 31 | 1.2K | 545 | 572 |
| 192 | Medical Informatics | 39 | 1.2K | 480 | 436 |
| 193 | Interactive Multimedia | 36 | 1.2K | 69 | 89 |
| 193 | Finance | 52 | 1.2K | 792 | 786 |
| 195 | Carbohydrate | 13 | 1.2K | 822 | 558 |
| 195 | Carbohydrate Chemistry | 13 | 1.2K | 571 | 445 |
| 197 | Numerical Analysis | 51 | 1.2K | 450 | 372 |
| 198 | Analytical Chemistry Techniques | 50 | 1.2K | 843 | 954 |
| 199 | Visual Pattern Recognition | 47 | 1.1K | 64 | 188 |
| 200 | Ceramics | 37 | 1.1K | 781 | 697 |
| 201 | Air Quality | 66 | 1.1K | 8 | 20 |
| 202 | Fuzzy Logic | 35 | 1.1K | 102 | 136 |
| 203 | Biology | 31 | 1.1K | 3,031 | 2,541 |
| 204 | Cosmic Physics | 58 | 1.1K | 109 | 139 |
| 205 | Industrial Chemistry | 35 | 1.1K | 544 | 516 |
| 206 | Mathematical Models | 57 | 1.1K | 251 | 320 |
| 207 | Solar Terrestrial Physics | 51 | 1.1K | 73 | 109 |
| 208 | Radio Waves | 29 | 1.1K | 237 | 237 |
| 208 | Antenna | 29 | 1.1K | 215 | 224 |
| 210 | Lasers | 112 | 1.0K | 180 | 389 |
| 211 | Air Quality Management | 61 | 1.0K | 5 | 45 |
| 211 | Air Pollution | 61 | 1.0K | 3 | 6 |
| 213 | Mechanical Engineering | 25 | 1.0K | 1,361 | 496 |
| 214 | Carbon | 17 | 1.0K | 444 | 433 |
| 215 | Computational Mathematics | 63 | 999 | 209 | 296 |
| 216 | Computational Social Science | 30 | 994 | 21 | 6 |
| 217 | Management | 26 | 991 | 1,805 | 1,405 |
| 218 | Energy Economics | 20 | 984 | 235 | 251 |
| 219 | Control Theory | 69 | 978 | 282 | 413 |
| 220 | Economic Policy | 24 | 971 | 481 | 220 |
| 221 | Evolutionary Computation | 26 | 964 | 70 | 145 |
| 222 | Chemical Physics | 48 | 956 | 990 | 1,122 |
| 223 | Waste Management | 23 | 951 | 557 | 449 |
| 224 | Meteorological Instruments | 58 | 939 | 33 | 99 |
| 225 | Energy Resources | 17 | 934 | 185 | 207 |
| 225 | Economic Aspects | 17 | 934 | 280 | 314 |
| 227 | Machine Learning | 43 | 931 | 91 | 219 |
| 228 | Electronic Instruments | 55 | 927 | 111 | 161 |
| 228 | Electronic Measurements | 55 | 927 | 106 | 156 |
| 230 | Telecommunication Systems | 48 | 923 | 117 | 150 |
| 231 | Entropy | 38 | 914 | 83 | 53 |
| 232 | Environmental Geology | 33 | 912 | 83 | 105 |
| 233 | Fuzzy Theory | 52 | 908 | 43 | 28 |
| 234 | Spectroscopy | 64 | 894 | 193 | 330 |
| 235 | Mineral Resources | 18 | 893 | 229 | 168 |
| 235 | Raw Materials | 18 | 893 | 78 | 74 |
| 235 | Natural Resources Policy | 18 | 893 | 75 | 73 |
| 238 | Electric Circuits | 47 | 888 | 157 | 197 |
| 238 | Electric Networks | 47 | 888 | 157 | 197 |
| 240 | Land Degradation | 24 | 882 | 33 | 34 |
| 240 | Reclamation of Land | 24 | 882 | 36 | 34 |
| 240 | Soil Degradation | 24 | 882 | 33 | 34 |
| 243 | Food Science | 21 | 880 | 1,602 | 1,170 |
| 244 | Energy Storage | 26 | 872 | 515 | 526 |
| 245 | Applied Mathematics | 46 | 858 | 398 | 258 |
| 246 | Robotics | 41 | 830 | 452 | 506 |
| 247 | Biomedical Materials | 19 | 825 | 1,214 | 1,123 |
| 247 | Waste | 11 | 825 | 429 | 314 |
| 247 | Refuse Disposal | 11 | 825 | 408 | 309 |
| 250 | Electronic Circuits | 38 | 823 | 228 | 283 |
| 250 | Electronic Systems | 38 | 823 | 167 | 194 |
| 250 | Microtechnology | 8 | 823 | 244 | 127 |
| 253 | Geography | 48 | 819 | 525 | 672 |
| 254 | Fiber Optics | 60 | 802 | 112 | 201 |
| 255 | Agricultural Chemistry | 12 | 794 | 866 | 626 |
| 256 | Applied Physics | 65 | 787 | 853 | 1,170 |
| 257 | Sensor Networks | 51 | 781 | 2 | 12 |
| 258 | Nanoscience | 7 | 778 | 751 | 638 |
| 259 | Astronomy | 70 | 773 | 870 | 1,289 |
| 260 | Aerosol Science | 46 | 768 | 13 | 24 |
| 261 | Transducers | 25 | 767 | 629 | 752 |
| 261 | Urban Studies | 22 | 767 | 563 | 508 |
| 263 | Nonlinear Functional Analysis | 31 | 757 | 171 | 138 |
| 264 | Neural Computers | 20 | 749 | 224 | 267 |
| 265 | Soil Fertility | 19 | 748 | 56 | 86 |
| 266 | Visual Communication | 32 | 741 | 24 | 29 |
| 267 | Supercomputers | 24 | 739 | 86 | 38 |
| 268 | Computer Systems | 21 | 736 | 286 | 293 |
| 269 | Land Use Planning | 13 | 733 | 196 | 167 |
| 270 | Hydrometeorology | 23 | 722 | 34 | 81 |
| 271 | Astrophysics | 63 | 720 | 788 | 1,193 |
| 272 | Energy Chemistry | 8 | 702 | 224 | 153 |
| 273 | Polymers | 29 | 701 | 1,846 | 1,821 |
| 274 | Surface Properties | 17 | 699 | 966 | 989 |
| 275 | Physical Phenomena | 9 | 695 | 1,158 | 697 |
| 276 | Numerical Mathematics | 26 | 694 | 378 | 341 |
| 277 | Microwaves | 66 | 685 | 219 | 323 |
| 277 | Optical Wave Guides | 49 | 685 | 115 | 211 |
| 279 | Cellulose | 4 | 682 | 502 | 133 |
| 280 | Public Policy | 19 | 680 | 546 | 422 |
| 281 | Cloud Computing | 25 | 678 | 19 | 35 |
| 281 | Ocean Engineering | 22 | 678 | 361 | 314 |
| 283 | Weather | 34 | 674 | 4 | 16 |
| 284 | Weather Forecasting | 28 | 671 | 26 | 38 |
| 285 | Biological Neural Networks | 18 | 667 | 182 | 253 |
| 286 | Planetary Health | 5 | 662 | 179 | 149 |
| 287 | Buildings | 19 | 658 | 442 | 534 |
| 288 | Medicine | 30 | 657 | 3,381 | 3,296 |
| 289 | Economic Conditions | 21 | 648 | 576 | 394 |
| 290 | System Analysis | 16 | 637 | 258 | 184 |
| 291 | Digital Communications | 27 | 635 | 97 | 36 |
| 292 | Environmental Impact Analysis | 13 | 634 | 131 | 115 |
| 293 | Mathematical Methods | 42 | 632 | 173 | 237 |
| 294 | Geographic Information Science | 33 | 625 | 57 | 79 |
| 295 | Radiative Transfer | 46 | 623 | 70 | 140 |
| 295 | Radiation | 46 | 623 | 412 | 550 |
| 295 | Spectrometry | 46 | 623 | 86 | 155 |
| 298 | System Theory | 32 | 620 | 146 | 183 |
| 298 | Fault Tolerant Computing | 12 | 620 | 102 | 69 |
| 300 | Intelligent Control Systems | 44 | 619 | 51 | 33 |
| 301 | Soil Biochemistry | 11 | 617 | 294 | 355 |
| 302 | Urban Climate | 21 | 616 | 18 | 33 |
| 303 | Planning | 13 | 615 | 241 | 142 |
| 303 | Economic Planning | 13 | 615 | 50 | 30 |
| 303 | Web Services | 16 | 615 | 69 | 54 |
| 303 | Socioeconomics | 13 | 615 | 39 | 18 |
| 307 | Quantum Electronics | 59 | 610 | 223 | 415 |
| 308 | Electric Power Systems | 20 | 609 | 599 | 663 |
| 309 | Quantum Information | 26 | 606 | 77 | 81 |
| 309 | Quantum Computers | 26 | 606 | 71 | 89 |
| 311 | Solar Energy | 25 | 600 | 438 | 689 |
| 312 | Mathematical Optimization | 39 | 599 | 418 | 445 |
| 313 | Environmental Protection | 26 | 598 | 446 | 592 |
| 314 | Solid State Physics | 55 | 595 | 1,105 | 1,451 |
| 315 | Biochemistry | 27 | 590 | 2,693 | 2,935 |
| 316 | Soil Management | 14 | 589 | 163 | 185 |
| 316 | Environmental Impact Assessment | 12 | 589 | 76 | 75 |
| 318 | Biogeochemical Cycles | 12 | 588 | 164 | 247 |
| 319 | Bioenergy | 7 | 586 | 513 | 270 |
| 320 | Computer Engineering | 35 | 578 | 127 | 119 |
| 320 | Biomass Energy | 6 | 578 | 1,200 | 469 |
| 320 | Marine Pollution | 28 | 578 | 374 | 550 |
| 323 | Data Engineering | 12 | 575 | 195 | 226 |
| 324 | Tillage | 13 | 574 | 122 | 153 |
| 325 | Optical Materials | 33 | 572 | 342 | 487 |
| 326 | Periglacial Processes | 8 | 568 | 49 | 32 |
| 326 | Permafrost | 8 | 568 | 49 | 32 |
| 326 | Frozen Ground | 8 | 568 | 51 | 32 |
| 329 | Bioinformatics | 20 | 564 | 776 | 801 |
| 330 | Simulation | 17 | 562 | 198 | 135 |
| 331 | Neural Networks | 3 | 559 | 347 | 167 |
| 332 | Water Resources Development | 23 | 556 | 381 | 389 |
| 333 | Tourism | 11 | 552 | 1,100 | 834 |
| 334 | Nonferrous Metals | 11 | 550 | 219 | 122 |
| 335 | Microwave | 27 | 547 | 243 | 320 |
| 336 | Solid State Chemistry | 37 | 543 | 588 | 746 |
| 337 | Plant Soil Relationships | 23 | 537 | 231 | 392 |
| 337 | Plant Soil Relationship | 23 | 537 | 217 | 384 |
| 339 | Software Engineering | 21 | 535 | 676 | 601 |
| 340 | Swarm Intelligence | 18 | 530 | 27 | 86 |
| 341 | Production Management | 13 | 529 | 689 | 816 |
| 341 | Multimedia Communications | 22 | 529 | 29 | 29 |
| 343 | Computer Assisted Image Processing | 33 | 523 | 113 | 343 |
| 344 | Computational Biology | 17 | 519 | 891 | 928 |
| 345 | Ambient Intelligence | 20 | 507 | 39 | 42 |
| 346 | Direct Energy Conversion | 10 | 503 | 693 | 771 |
| 347 | Magnetism | 23 | 496 | 793 | 724 |
| 347 | Heat Engineering | 16 | 496 | 755 | 707 |
| 349 | Macromolecules | 17 | 492 | 1,601 | 1,678 |
| 350 | Nonlinear Analysis | 23 | 487 | 295 | 279 |
| 351 | Fluid Mechanics | 16 | 483 | 784 | 559 |
| 352 | Organic Chemistry | 19 | 479 | 1,580 | 1,450 |
| 353 | Biomathematics | 32 | 477 | 195 | 275 |
| 354 | Geomatics | 35 | 476 | 93 | 70 |
| 355 | Pigments | 30 | 475 | 130 | 242 |
| 356 | Macromolecular Substances | 13 | 472 | 1,495 | 1,427 |
| 357 | Hydrobiology | 25 | 471 | 483 | 661 |
| 358 | Power Electronics | 25 | 469 | 329 | 550 |
| 358 | Condensed Matter | 45 | 469 | 967 | 1,379 |
| 360 | Biocompatible Materials | 10 | 463 | 1,388 | 1,289 |
| 361 | Delivery of Health Care | 7 | 462 | 1,457 | 642 |
| 362 | Paleoclimatology | 23 | 454 | 294 | 439 |
| 363 | Biosensors | 14 | 452 | 692 | 878 |
| 364 | Computer Graphics | 35 | 451 | 353 | 557 |
| 364 | Natural Hazards | 21 | 451 | 31 | 58 |
| 366 | Peer to Peer Architecture | 17 | 450 | 19 | 19 |
| 367 | Urban Planning | 12 | 449 | 906 | 783 |
| 367 | Biomass | 3 | 449 | 795 | 283 |
| 369 | World Wide Web | 8 | 441 | 116 | 38 |
| 370 | Microbial Ecology | 9 | 436 | 795 | 839 |
| 371 | Transportation | 16 | 435 | 1,036 | 988 |
| 371 | Computational Physics | 12 | 435 | 554 | 553 |
| 373 | Statistics | 53 | 433 | 835 | 1,061 |
| 374 | Radiology | 18 | 429 | 1,183 | 1,046 |
| 374 | Electromagnetic Compatibility | 25 | 429 | 59 | 80 |
| 374 | Radio Noise | 25 | 429 | 51 | 78 |
| 377 | Electronic Materials | 36 | 427 | 700 | 905 |
| 378 | Space Sciences | 29 | 425 | 188 | 204 |
| 379 | Forest Ecology | 17 | 423 | 295 | 430 |
| 380 | Genetic Algorithms | 6 | 421 | 169 | 185 |
| 381 | Landscape Ecology | 7 | 415 | 291 | 200 |
| 382 | Soil Pollution | 26 | 414 | 37 | 98 |
| 382 | Soil Protection | 26 | 414 | 37 | 98 |
| 384 | Horticulture | 12 | 409 | 792 | 606 |
| 384 | Organometallic Compounds | 32 | 409 | 762 | 1,005 |
| 386 | Geochemistry | 20 | 408 | 759 | 984 |
| 387 | Ecohydrology | 16 | 406 | 43 | 60 |
| 387 | Limnology | 26 | 406 | 524 | 714 |
| 389 | Data Mining | 10 | 403 | 321 | 248 |
| 390 | Paleoecology | 21 | 402 | 307 | 485 |
| 390 | Paleogeography | 21 | 402 | 301 | 462 |
| 392 | Boundary Layer | 13 | 397 | 100 | 122 |
| 393 | Composite Materials | 5 | 396 | 1,965 | 1,382 |
| 394 | Aquatic Sciences | 31 | 395 | 204 | 414 |
| 395 | Computer Simulation | 24 | 394 | 620 | 873 |
| 396 | Digital Signal Processing | 22 | 393 | 41 | 71 |
| 397 | Psychology | 28 | 384 | 2,205 | 2,616 |
| 398 | Microchemistry | 22 | 381 | 462 | 567 |
| 399 | Computational Fluid Dynamics | 6 | 380 | 571 | 312 |
| 400 | Geoinformatics | 27 | 379 | 33 | 72 |
| 401 | Business | 11 | 378 | 2,067 | 1,512 |
| 401 | Coordination Compounds | 10 | 378 | 661 | 830 |
| 403 | Environmental Risk Assessment | 15 | 376 | 109 | 147 |
| 404 | Particles | 16 | 372 | 239 | 267 |
| 405 | Wireless Sensor Networks | 22 | 366 | 52 | 30 |
| 406 | Forest Management | 14 | 362 | 362 | 463 |
| 407 | Hydrodynamics | 8 | 360 | 278 | 184 |
| 408 | Food | 14 | 359 | 2,383 | 2,663 |
| 409 | Zeolites | 11 | 358 | 399 | 457 |
| 409 | Decision Making | 20 | 358 | 285 | 466 |
| 409 | Molecular Sieves | 11 | 358 | 393 | 454 |
| 412 | Agricultural Informatics | 10 | 357 | 289 | 354 |
| 413 | Aerospace Engineering | 29 | 355 | 698 | 684 |
| 414 | Customer Services | 10 | 350 | 240 | 496 |
| 414 | Retail Trade | 10 | 350 | 270 | 552 |
| 416 | Complex Compounds | 4 | 344 | 656 | 792 |
| 417 | Forest | 12 | 341 | 397 | 502 |
| 418 | Diagnostic Imaging | 13 | 339 | 740 | 802 |
| 419 | Biogeochemistry | 12 | 331 | 504 | 661 |
| 419 | Risk Analysis | 14 | 331 | 80 | 93 |
| 421 | Materials Physics | 25 | 330 | 1,066 | 1,400 |
| 422 | Geographic Information Systems | 21 | 329 | 214 | 311 |
| 422 | Fluids | 5 | 329 | 631 | 332 |
| 422 | Numerical Methods | 5 | 329 | 591 | 288 |
| 425 | Crystal Growth | 8 | 327 | 1,042 | 780 |
| 426 | Engineering Mathematics | 8 | 325 | 924 | 607 |
| 427 | Human Computer Interaction | 21 | 322 | 425 | 750 |
| 428 | Computer Programming | 6 | 321 | 749 | 563 |
| 429 | Metrology | 27 | 320 | 222 | 495 |
| 430 | Solids | 27 | 318 | 675 | 971 |
| 431 | Measurement Technology | 26 | 317 | 182 | 428 |
| 432 | Electric Power Distribution | 7 | 314 | 599 | 610 |
| 433 | Nanostructures | 23 | 310 | 458 | 948 |
| 433 | Water Engineering | 18 | 310 | 167 | 291 |
| 435 | Hydraulic Engineering | 7 | 309 | 539 | 404 |
| 435 | Environmental Technology | 8 | 309 | 191 | 144 |
| 437 | Mechanics | 123 | 308 | 379 | 809 |
| 438 | Biodiversity | 11 | 307 | 672 | 731 |
| 439 | Membranes | 6 | 303 | 1,373 | 1,152 |
| 439 | Biomedical Informatics | 13 | 303 | 290 | 413 |
| 441 | Mathematical Statistics | 41 | 299 | 658 | 916 |
| 442 | Molecular Spectroscopy | 11 | 298 | 913 | 832 |
| 442 | Molecular Spectrometry | 11 | 298 | 703 | 642 |
| 444 | Organometallic Chemistry | 25 | 295 | 343 | 536 |
| 445 | Water Quality Management | 19 | 294 | 495 | 691 |
| 446 | Scientific Instruments | 44 | 293 | 362 | 695 |
| 447 | Fuzzy Sets | 8 | 289 | 17 | 16 |
| 447 | Decision Science | 8 | 289 | 24 | 25 |
| 449 | Bioengineering | 11 | 288 | 1,584 | 1,966 |
| 450 | Global Navigation Satellite System | 3 | 286 | 18 | 7 |
| 451 | Image Analysis | 7 | 284 | 218 | 381 |
| 452 | Civil Engineering | 7 | 283 | 1,507 | 840 |
| 452 | Health Informatics | 7 | 283 | 947 | 749 |
| 454 | Transport | 5 | 282 | 371 | 321 |
| 454 | Biometric Identification | 4 | 282 | 53 | 19 |
| 456 | Radio Wave Propagation | 31 | 281 | 117 | 235 |
| 457 | Autonomous Robots | 1 | 279 | 303 | 79 |
| 458 | Dynamics | 14 | 274 | 304 | 274 |
| 458 | Artificial Membranes | 4 | 274 | 819 | 726 |
| 460 | Plant Physiology | 17 | 273 | 931 | 1,367 |
| 460 | Vision | 2 | 273 | 1,512 | 803 |
| 462 | Macromolecule | 13 | 272 | 1,464 | 1,931 |
| 463 | Atomic Spectrometry | 19 | 270 | 184 | 356 |
| 464 | Heat | 21 | 269 | 964 | 1,335 |
| 464 | Meteorological Services | 23 | 269 | 6 | 44 |
| 466 | Ecological Engineering | 10 | 268 | 226 | 400 |
| 467 | Corporate Social Responsibility | 6 | 267 | 171 | 231 |
| 467 | Economic Analysis | 8 | 267 | 83 | 77 |
| 469 | Group Decision Making | 13 | 266 | 15 | 46 |
| 469 | Negotiation | 13 | 266 | 32 | 64 |
| 469 | Group Decisions | 13 | 266 | 15 | 46 |
| 469 | Negotiation in Business | 13 | 266 | 15 | 46 |
| 469 | Negotiation Theory | 13 | 266 | 15 | 46 |
| 474 | Carbon Dioxide Utilization | 4 | 265 | 265 | 193 |
| 475 | Plant Physiological Phenomena | 16 | 263 | 829 | 1,276 |
| 475 | Nanomaterials | 20 | 263 | 537 | 1,009 |
| 475 | Security | 8 | 263 | 172 | 247 |
| 478 | Luminescence | 15 | 261 | 488 | 539 |
| 479 | Bio-Inspired Computing | 3 | 260 | 96 | 17 |
| 480 | Mountains | 13 | 254 | 65 | 64 |
| 481 | Rock Mechanics | 2 | 253 | 1,106 | 627 |
| 481 | Biomaterials | 5 | 253 | 962 | 715 |
| 483 | Operations Management | 3 | 251 | 802 | 518 |
| 484 | Manufacturing Processes | 19 | 247 | 926 | 1,321 |
| 485 | Field Crops | 11 | 246 | 15 | 6 |
| 486 | Materials Chemistry | 13 | 245 | 379 | 328 |
| 487 | Biosensing Techniques | 5 | 244 | 841 | 1,009 |
| 488 | Information Systems | 17 | 242 | 1,237 | 1,190 |
| 489 | Oncology | 16 | 241 | 2,309 | 3,008 |
| 489 | Superconductivity | 17 | 241 | 660 | 538 |
| 491 | Environmental Issues | 6 | 239 | 176 | 203 |
| 492 | Global Positioning System | 14 | 236 | 42 | 71 |
| 493 | Measuring Instruments | 31 | 235 | 188 | 397 |
| 494 | Cryosphere | 9 | 234 | 175 | 227 |
| 495 | Metallurgy | 19 | 233 | 1,073 | 1,392 |
| 496 | Conservation Biology | 10 | 231 | 883 | 1,083 |
| 496 | Cell Biology | 4 | 231 | 3,143 | 2,786 |
| 496 | Affaires | 3 | 231 | 1,275 | 1,268 |
| 499 | Energy Science | 2 | 229 | 641 | 790 |
| 500 | Infrared Radiation | 20 | 228 | 106 | 177 |
| 500 | Oceanographic Research | 11 | 228 | 140 | 229 |
| 500 | Infrared Spectra | 20 | 228 | 67 | 140 |
| 503 | Plant Ecology | 7 | 226 | 810 | 845 |
| 503 | Cells | 3 | 226 | 1,665 | 1,452 |
| 505 | Data Protection | 23 | 224 | 35 | 167 |
| 505 | Industrial Management | 4 | 224 | 1,672 | 1,316 |
| 507 | Acoustics | 14 | 223 | 884 | 1,075 |
| 508 | Pharmacology | 6 | 218 | 3,771 | 3,376 |
| 509 | Vibration | 8 | 216 | 658 | 645 |
| 510 | Industrial Microbiology | 8 | 215 | 1,013 | 1,210 |
| 510 | Mathematical Physics | 25 | 215 | 784 | 985 |
| 510 | Imaging Systems | 26 | 215 | 70 | 201 |
| 510 | Arid Regions | 11 | 215 | 162 | 282 |
| 514 | Engineering Geology | 6 | 214 | 831 | 735 |
| 514 | Biodegradation | 6 | 214 | 428 | 500 |
| 514 | Environmental Biodegradation | 6 | 214 | 357 | 419 |
| 517 | Physical Measurements | 29 | 213 | 146 | 377 |
| 518 | Physical Geography | 17 | 212 | 110 | 258 |
| 518 | Energy Generating Resources | 13 | 212 | 219 | 395 |
| 518 | Low Dimensional Semiconductors | 16 | 212 | 224 | 270 |
| 518 | Low Dimensional Systems | 16 | 212 | 224 | 270 |
| 522 | Photochemistry | 9 | 211 | 1,025 | 1,066 |
| 522 | Aerosols | 8 | 211 | 284 | 300 |
| 522 | Photobiology | 9 | 211 | 1,089 | 1,237 |
| 525 | Nuclear Engineering | 7 | 210 | 1,186 | 856 |
| 525 | Physical Instruments | 27 | 210 | 160 | 380 |
| 527 | Computer Architecture | 12 | 209 | 376 | 447 |
| 528 | Developmental Biology | 2 | 208 | 1,660 | 1,166 |
| 528 | Crystallography | 29 | 208 | 1,025 | 1,029 |
| 528 | Aquatic Biology | 12 | 208 | 667 | 799 |
| 531 | Plant Biology | 7 | 207 | 1,131 | 1,382 |
| 532 | Optical Engineering | 23 | 205 | 110 | 150 |
| 533 | Coastal Zone Management | 8 | 200 | 339 | 394 |
| 534 | Soil Mechanics | 2 | 199 | 1,160 | 642 |
| 534 | Systems Analysis | 15 | 199 | 187 | 225 |
| 534 | Neuroscience | 6 | 199 | 2,468 | 2,345 |
| 534 | Chemical Sensors | 9 | 199 | 298 | 473 |
| 538 | Immunology | 22 | 198 | 1,726 | 2,790 |
| 539 | Partial Differential Equations | 11 | 197 | 413 | 401 |
| 539 | International Finance | 17 | 197 | 395 | 774 |
| 541 | Embedded Computer Systems | 33 | 195 | 20 | 120 |
| 541 | Ad Hoc Networks | 4 | 195 | 313 | 193 |
| 543 | Microwave Devices | 26 | 194 | 124 | 299 |
| 544 | Landscape Architecture | 2 | 193 | 637 | 498 |
| 544 | Fluid Dynamics | 18 | 193 | 750 | 1,041 |
| 544 | Algorithms | 12 | 193 | 402 | 316 |
| 547 | Biodiversity Conservation | 1 | 190 | 1,706 | 828 |
| 548 | Plant Cells | 6 | 189 | 561 | 904 |
| 549 | Data Transmission Systems | 11 | 188 | 209 | 295 |
| 550 | Water Reuse | 3 | 187 | 311 | 188 |
| 550 | Saline Water Conversion | 12 | 187 | 588 | 993 |
| 552 | Biochemical Engineering | 6 | 185 | 1,178 | 1,210 |
| 553 | Structural Dynamics | 4 | 184 | 729 | 690 |
| 553 | Building Engineering | 11 | 184 | 846 | 845 |
| 555 | Nuclear Energy | 4 | 182 | 718 | 346 |
| 555 | Magnetic Resonance Imaging | 7 | 182 | 710 | 750 |
| 555 | Drug Toxicity | 3 | 182 | 479 | 269 |
| 558 | Inverse Problems | 18 | 180 | 144 | 278 |
| 559 | Computer Assisted Signal Processing | 13 | 179 | 265 | 546 |
| 560 | Difference Equations | 17 | 177 | 116 | 191 |
| 561 | Microwave Technology | 35 | 176 | 140 | 234 |
| 561 | Electromagnetic Radiation | 35 | 176 | 140 | 234 |
| 561 | Millimeter Wave Technology | 35 | 176 | 140 | 234 |
| 561 | Radiofrequency Engineering | 35 | 176 | 140 | 234 |
| 565 | Reliability Engineering | 6 | 175 | 692 | 656 |
| 566 | Aging | 9 | 174 | 1,566 | 1,778 |
| 567 | Cognitive Radio Networks | 6 | 172 | 107 | 134 |
| 567 | Solar Power | 5 | 172 | 595 | 722 |
| 567 | Solar Cells | 5 | 172 | 645 | 772 |
| 567 | Solar Cell | 5 | 172 | 615 | 734 |
| 571 | Gerontology | 9 | 166 | 1,646 | 1,726 |
| 571 | Rare Earths | 12 | 166 | 96 | 185 |
| 573 | Energy Conservation | 9 | 165 | 475 | 870 |
| 574 | Scientific Computing | 7 | 164 | 313 | 232 |
| 575 | Reliability | 6 | 162 | 433 | 406 |
| 576 | Nanoparticles | 6 | 161 | 770 | 736 |
| 576 | Atomic Spectra | 12 | 161 | 127 | 314 |
| 576 | Atomic Spectrophotometry | 12 | 161 | 127 | 314 |
| 579 | Differentiable Dynamical Systems | 13 | 160 | 93 | 56 |
| 580 | Coasts | 17 | 157 | 364 | 666 |
| 581 | Separation Technology | 5 | 156 | 1,018 | 727 |
| 581 | Complex Systems | 14 | 156 | 47 | 147 |
| 581 | Digital Video | 6 | 156 | 18 | 26 |
| 584 | Applied Mechanics | 18 | 154 | 968 | 1,381 |
| 584 | Ageing | 4 | 154 | 1,049 | 1,155 |
| 584 | Ageing Research | 4 | 154 | 288 | 543 |
| 587 | Microbiological Phenomena | 4 | 153 | 1,212 | 1,246 |
| 588 | Differential Equations | 22 | 152 | 340 | 634 |
| 588 | Systems Architecture | 9 | 152 | 91 | 115 |
| 590 | Cognitive Science | 15 | 151 | 254 | 482 |
| 591 | Water Science | 2 | 150 | 249 | 140 |
| 592 | Technology Assessment | 4 | 149 | 247 | 376 |
| 593 | Nursing | 1 | 146 | 4,634 | 2,350 |
| 594 | Epidemiology | 4 | 144 | 2,000 | 1,789 |
| 595 | Travel | 2 | 143 | 528 | 510 |
| 595 | Tourism Geography | 2 | 143 | 202 | 107 |
| 597 | Microwave Communication Systems | 7 | 141 | 205 | 270 |
| 598 | Mass Transfer | 16 | 140 | 761 | 1,402 |
| 598 | Big Data | 9 | 140 | 392 | 584 |
| 600 | Digital Computer Simulation | 13 | 137 | 476 | 754 |
| 601 | Systems Theory | 29 | 136 | 46 | 273 |
| 601 | Forecasting | 4 | 136 | 466 | 406 |
| 601 | Space Environment | 14 | 136 | 51 | 138 |
| 601 | Forecasting Methods | 4 | 136 | 381 | 359 |
| 601 | Forecasts | 4 | 136 | 177 | 141 |
| 606 | Architecture | 12 | 135 | 1,212 | 799 |
| 606 | Nonlinear Systems | 16 | 135 | 172 | 391 |
| 606 | Physical Optics | 13 | 135 | 328 | 516 |
| 606 | Computer Cluster | 13 | 135 | 91 | 250 |
| 610 | Metals | 6 | 134 | 1,418 | 1,486 |
| 611 | Wind Erosion | 1 | 133 | 212 | 94 |
| 611 | Eolian Processes | 1 | 133 | 212 | 94 |
| 613 | Aeronautics | 4 | 132 | 792 | 689 |
| 613 | Chemical Technology | 9 | 132 | 1,060 | 1,247 |
| 613 | Linear Algebras | 11 | 132 | 556 | 557 |
| 616 | Ultrasonics | 7 | 131 | 609 | 1,021 |
| 617 | Health Services Administration | 3 | 130 | 1,035 | 645 |
| 617 | Health Planning | 3 | 130 | 720 | 553 |
| 617 | Telecommunications Network | 3 | 130 | 333 | 321 |
| 620 | Atomic Physics | 7 | 128 | 1,313 | 1,385 |
| 621 | Quantum Theory | 9 | 126 | 243 | 398 |
| 622 | Hydrocolloids | 2 | 125 | 755 | 794 |
| 623 | Sociology | 3 | 123 | 2,510 | 1,652 |
| 623 | Number Theory | 20 | 123 | 171 | 216 |
| 623 | Standardization | 5 | 123 | 159 | 154 |
| 623 | Life Sciences | 7 | 123 | 709 | 1,046 |
| 623 | Computer Interfaces | 5 | 123 | 110 | 122 |
| 628 | Optimization | 11 | 122 | 300 | 384 |
| 628 | Applied Economics | 8 | 122 | 830 | 815 |
| 630 | Production Economics | 4 | 121 | 718 | 1,014 |
| 631 | Solid State Electronics | 9 | 120 | 525 | 702 |
| 632 | Planets | 9 | 119 | 358 | 491 |
| 632 | Propulsion | 1 | 119 | 190 | 38 |
| 632 | Poisons | 4 | 119 | 521 | 606 |
| 635 | Environmental Microbiology | 3 | 117 | 730 | 838 |
| 635 | Optical Fibers | 11 | 117 | 88 | 146 |
| 637 | Coastal Areas | 5 | 116 | 510 | 625 |
| 637 | Estuaries | 5 | 116 | 550 | 683 |
| 637 | Estuarine Biology | 5 | 116 | 542 | 682 |
| 637 | Coastal Waters | 5 | 116 | 510 | 625 |
| 637 | Estuarine Oceanography | 5 | 116 | 510 | 625 |
| 637 | Food Systems | 2 | 116 | 674 | 274 |
| 643 | Sustainable Agriculture | 2 | 115 | 540 | 393 |
| 643 | Combinatorics | 18 | 115 | 603 | 772 |
| 645 | Information Retrieval | 7 | 114 | 511 | 723 |
| 645 | Smart Materials | 6 | 114 | 578 | 714 |
| 645 | Ceramic Materials | 3 | 114 | 1,322 | 1,068 |
| 645 | Laser | 10 | 114 | 282 | 438 |
| 645 | Laser Beams | 10 | 114 | 282 | 438 |
| 650 | Thermodynamics | 11 | 113 | 1,087 | 1,373 |
| 650 | Nuclear Physics | 19 | 113 | 1,322 | 1,905 |
| 650 | Risk Management | 4 | 113 | 668 | 599 |
| 650 | Plasma Physics | 7 | 113 | 725 | 622 |
| 654 | Terahertz Technology | 10 | 112 | 92 | 200 |
| 654 | Chemical Analysis | 4 | 112 | 1,015 | 993 |
| 656 | Metabolomics | 11 | 111 | 238 | 515 |
| 657 | Agricultural Ecology | 1 | 109 | 563 | 316 |
| 657 | Atomic Spectroscopy | 7 | 109 | 240 | 369 |
| 659 | Biology of Aging | 3 | 108 | 428 | 465 |
| 660 | Engineering Design | 6 | 107 | 975 | 1,258 |
| 661 | Quality Control | 5 | 106 | 550 | 526 |
| 661 | Harmonic Analysis | 3 | 106 | 367 | 233 |
| 661 | Hospitality Industry | 1 | 106 | 1,642 | 975 |
| 661 | Hospitality | 1 | 106 | 1,141 | 593 |
| 661 | Surface Science | 13 | 106 | 879 | 1,482 |
| 661 | Hotel Management | 1 | 106 | 824 | 618 |
| 667 | Experimental Botany | 4 | 105 | 436 | 645 |
| 668 | Sonochemistry | 4 | 104 | 549 | 900 |
| 668 | Pacific Area | 7 | 104 | 585 | 766 |
| 668 | Digital Image Processing | 4 | 104 | 135 | 151 |
| 671 | Human Settlements | 2 | 103 | 428 | 356 |
| 672 | Landslides | 2 | 102 | 344 | 329 |
| 672 | Freshwater Biology | 2 | 102 | 971 | 721 |
| 672 | AIDS | 6 | 102 | 913 | 1,013 |
| 675 | Emotions | 4 | 101 | 611 | 810 |
| 675 | Computer Software | 6 | 101 | 651 | 703 |
| 675 | Lasers in Engineering | 11 | 101 | 150 | 404 |
| 675 | Natural Resources Conservation | 1 | 101 | 538 | 649 |
| 675 | Optical Measurements | 11 | 101 | 150 | 404 |
| 680 | Adaptive Control Systems | 3 | 100 | 256 | 182 |
| 680 | Algae | 7 | 100 | 556 | 816 |
| 680 | Adaptive Signal Processing | 3 | 100 | 256 | 182 |
| 680 | Soft Robotics | 5 | 100 | 44 | 140 |
| 684 | Continental Shelf | 3 | 99 | 372 | 391 |
| 684 | Plasma | 11 | 99 | 478 | 656 |
| 684 | Chemometrics | 8 | 99 | 241 | 421 |
| 684 | Range Management | 2 | 99 | 199 | 120 |
| 688 | Plant Biotechnology | 6 | 98 | 687 | 966 |
| 689 | Integrated Circuits | 7 | 97 | 736 | 828 |
| 690 | Industrial Safety | 3 | 96 | 880 | 1,052 |
| 690 | Bibliometrics | 4 | 96 | 170 | 213 |
| 690 | Clay | 1 | 96 | 1,294 | 958 |
| 690 | Food Industry | 3 | 96 | 2,486 | 2,404 |
| 690 | Hospitality Management | 2 | 96 | 788 | 779 |
| 690 | Electromagnetics | 26 | 96 | 73 | 210 |
| 690 | Informetrics | 4 | 96 | 103 | 161 |
| 697 | Emergency Management | 3 | 95 | 377 | 216 |
| 697 | Microorganisms | 4 | 95 | 1,384 | 1,732 |
| 697 | Linear | 7 | 95 | 698 | 632 |
| 697 | Unmanned Aerial Vehicles | 11 | 95 | 44 | 238 |
| 701 | Computer Aided Engineering | 22 | 94 | 142 | 508 |
| 701 | Powders | 3 | 94 | 1,225 | 1,258 |
| 701 | Powder Technology | 3 | 94 | 974 | 1,036 |
| 701 | Powder | 3 | 94 | 1,060 | 1,078 |
| 705 | Information Management | 6 | 93 | 659 | 1,099 |
| 705 | Concrete | 1 | 93 | 1,502 | 1,163 |
| 705 | Polymer Science | 6 | 93 | 1,624 | 1,987 |
| 705 | Cement Composites | 1 | 93 | 771 | 694 |
| 709 | Reasoning | 1 | 92 | 792 | 394 |
| 710 | Sewage | 13 | 91 | 535 | 1,061 |
| 711 | Steel | 3 | 90 | 505 | 300 |
| 712 | Energy Conversion | 6 | 89 | 619 | 897 |
| 713 | Scientometrics | 5 | 88 | 429 | 577 |
| 714 | Mechatronics | 4 | 87 | 668 | 733 |
| 714 | Iron | 2 | 87 | 392 | 233 |
| 714 | Methodology | 1 | 87 | 909 | 308 |
| 717 | Combinatorial Analysis | 15 | 86 | 415 | 611 |
| 717 | Strategic Management | 1 | 86 | 1,580 | 805 |
| 717 | Magnetic Devices | 7 | 86 | 754 | 814 |
| 717 | Magnetics | 7 | 86 | 743 | 810 |
| 717 | Farming Systems | 4 | 86 | 246 | 416 |
| 722 | Building Materials | 2 | 85 | 1,863 | 1,890 |
| 722 | Electric Vehicles | 6 | 85 | 294 | 432 |
| 722 | Chemical Reactions | 4 | 85 | 429 | 362 |
| 722 | Medical Research | 3 | 85 | 2,887 | 2,817 |
| 722 | Chemical Reaction Kinetics | 4 | 85 | 434 | 369 |
| 722 | Holocene Geologic Period | 10 | 85 | 170 | 487 |
| 722 | Holocene Studies | 10 | 85 | 170 | 487 |
| 729 | Social Work | 5 | 84 | 1,307 | 1,126 |
| 729 | Aquaculture | 11 | 84 | 792 | 1,395 |
| 731 | Algal Blooms | 4 | 83 | 225 | 377 |
| 731 | Control Engineering | 4 | 83 | 681 | 665 |
| 731 | Quantum Technology | 4 | 83 | 121 | 154 |
| 731 | Harmful Algal Bloom | 4 | 83 | 225 | 377 |
| 731 | Toxic Algae | 4 | 83 | 225 | 377 |
| 736 | Actuators | 4 | 82 | 230 | 164 |
| 736 | Forests | 5 | 82 | 80 | 104 |
| 736 | Computer Neural Networks | 2 | 82 | 397 | 341 |
| 739 | Tribology | 6 | 81 | 1,183 | 1,407 |
| 739 | Electronic Commerce | 6 | 81 | 406 | 774 |
| 739 | Cellular Immunity | 3 | 81 | 716 | 752 |
| 742 | Microsystems Technology | 6 | 80 | 282 | 325 |
| 743 | Embedded Systems | 2 | 79 | 287 | 182 |
| 743 | Ecosystem Services | 2 | 79 | 343 | 450 |
| 743 | Biofuels | 1 | 79 | 683 | 611 |
| 746 | Regional Planning | 4 | 78 | 1,096 | 1,163 |
| 746 | Energy Development | 7 | 78 | 435 | 1,156 |
| 748 | Molecular Biology | 7 | 77 | 3,006 | 3,818 |
| 748 | Catalysts | 7 | 77 | 412 | 678 |
| 748 | Hazardous Substances | 4 | 77 | 370 | 388 |
| 748 | Plasma Engineering | 4 | 77 | 548 | 453 |
| 748 | Precision Agriculture | 3 | 77 | 138 | 212 |
| 753 | Humanities | 16 | 75 | 925 | 887 |
| 753 | Organic Compounds | 5 | 75 | 1,582 | 1,620 |
| 753 | Water Treatment | 2 | 75 | 344 | 161 |
| 753 | System Safety | 2 | 75 | 743 | 788 |
| 753 | Control Systems | 1 | 75 | 761 | 613 |
| 758 | Microstructure | 5 | 74 | 475 | 571 |
| 758 | Econometric Models | 2 | 74 | 831 | 719 |
| 758 | Heat Transfer | 2 | 74 | 1,675 | 1,480 |
| 758 | Information Display Systems | 6 | 74 | 331 | 379 |
| 758 | Computer Integrated Manufacturing Systems | 2 | 74 | 762 | 754 |
| 758 | Economic Models | 2 | 74 | 831 | 719 |
| 758 | Gel Science | 4 | 74 | 384 | 492 |
| 758 | Superlattices as Materials | 5 | 74 | 463 | 564 |
| 766 | Data Analysis | 5 | 73 | 616 | 677 |
| 766 | Digital Health | 1 | 73 | 1,484 | 926 |
| 768 | Thermal Engineering | 3 | 72 | 199 | 161 |
| 769 | Geodesy | 8 | 71 | 220 | 296 |
| 769 | Water Purification | 7 | 71 | 712 | 1,108 |
| 769 | Regulation | 2 | 71 | 601 | 425 |
| 772 | Urban Policy | 3 | 70 | 760 | 909 |
| 772 | Health Education | 3 | 70 | 1,235 | 1,141 |
| 772 | Virology | 5 | 70 | 2,206 | 2,642 |
| 772 | Marketing | 2 | 70 | 2,909 | 2,465 |
| 772 | Desalination | 8 | 70 | 349 | 605 |
| 772 | Regulatory Economics | 1 | 70 | 223 | 129 |
| 778 | Managerial Economics | 12 | 69 | 71 | 353 |
| 778 | Applied Microbiology | 4 | 69 | 1,218 | 1,864 |
| 780 | Risk | 1 | 68 | 868 | 634 |
| 780 | Aerosol | 3 | 68 | 372 | 390 |
| 780 | Theoretical Chemistry | 6 | 68 | 832 | 1,050 |
| 780 | Risk Theory | 1 | 68 | 870 | 645 |
| 784 | Nanophotonics | 3 | 67 | 345 | 449 |
| 785 | Production Engineering | 14 | 66 | 843 | 1,734 |
| 785 | Microelectronics | 5 | 66 | 931 | 952 |
| 785 | Programming Languages | 1 | 66 | 1,030 | 701 |
| 785 | Veterinary Medicine | 2 | 66 | 3,257 | 2,523 |
| 785 | Urbanism | 2 | 66 | 66 | 92 |
| 785 | Chemical Biology | 1 | 66 | 1,516 | 1,306 |
| 791 | Theoretical Physics | 8 | 65 | 453 | 669 |
| 791 | Health Economics | 1 | 65 | 1,607 | 937 |
| 791 | Medical Economics | 1 | 65 | 1,496 | 1,068 |
| 791 | Geographic Information System | 4 | 65 | 206 | 387 |
| 791 | Numerical Calculations | 5 | 65 | 186 | 228 |
| 796 | Cancer | 5 | 64 | 2,596 | 3,471 |
| 796 | Earth Science | 4 | 64 | 789 | 941 |
| 796 | Industrial Robots | 3 | 64 | 491 | 639 |
| 799 | Machinery | 3 | 63 | 477 | 555 |
| 799 | Gastroenterology | 5 | 63 | 2,183 | 2,577 |
| 801 | Geotechnical Engineering | 2 | 62 | 1,299 | 1,031 |
| 801 | Cyber-Physical Systems | 4 | 62 | 77 | 134 |
| 801 | Energy Technology | 6 | 62 | 364 | 641 |
| 804 | Body Temperature | 1 | 61 | 1,016 | 625 |
| 804 | Thermobiology | 1 | 61 | 1,016 | 625 |
| 804 | Transport Geography | 1 | 61 | 585 | 529 |
| 804 | Transports | 1 | 61 | 582 | 529 |
| 804 | Computer Integrated Manufacturing | 13 | 61 | 567 | 1,421 |
| 809 | Hydrogeology | 2 | 60 | 959 | 881 |
| 809 | Functional Analysis | 6 | 60 | 636 | 784 |
| 809 | Superconductors | 5 | 60 | 652 | 653 |
| 809 | Computing | 2 | 60 | 326 | 197 |
| 813 | Economic Development | 11 | 59 | 589 | 1,404 |
| 813 | Simulation Methods | 6 | 59 | 635 | 1,089 |
| 813 | Ecosystem Health | 1 | 59 | 84 | 87 |
| 816 | Psychiatry | 3 | 58 | 3,641 | 3,748 |
| 816 | Rehabilitation | 5 | 58 | 1,641 | 2,038 |
| 816 | Astronautics | 2 | 58 | 818 | 691 |
| 816 | Rehabilitation Technology | 5 | 58 | 484 | 858 |
| 816 | Plasmons | 9 | 58 | 129 | 397 |
| 821 | Algebra | 16 | 57 | 733 | 1,054 |
| 821 | Microprocessors | 1 | 57 | 796 | 391 |
| 821 | Inequalities | 13 | 57 | 149 | 251 |
| 821 | Photographic Surveying | 9 | 57 | 4 | 6 |
| 821 | Tumor | 1 | 57 | 701 | 549 |
| 826 | Cultural Property | 3 | 56 | 518 | 538 |
| 826 | Geospatial Data | 2 | 56 | 32 | 56 |
| 826 | Biomedicine | 2 | 56 | 2,661 | 2,379 |
| 826 | Breast Neoplasms | 1 | 56 | 1,074 | 972 |
| 826 | Plant Nutrition | 7 | 56 | 254 | 536 |
| 826 | Terahertz Radiation | 3 | 56 | 150 | 225 |
| 832 | Aquatic Ecology | 6 | 55 | 657 | 1,015 |
| 832 | Cybersecurity | 3 | 55 | 32 | 38 |
| 832 | Industrial Marketing | 1 | 55 | 917 | 926 |
| 832 | Low Temperature Engineering | 3 | 55 | 489 | 571 |
| 832 | Cold Regions | 3 | 55 | 235 | 374 |
| 832 | Organic Solid State Chemistry | 3 | 55 | 531 | 649 |
| 838 | Mathematical Economics | 5 | 54 | 978 | 1,097 |
| 838 | Geodynamics | 7 | 54 | 564 | 983 |
| 838 | Agricultural Systems | 3 | 54 | 297 | 537 |
| 838 | Development | 4 | 54 | 1,305 | 1,785 |
| 838 | Evolution | 2 | 54 | 2,292 | 2,437 |
| 838 | Trees | 4 | 54 | 626 | 849 |
| 838 | Bioelectrochemistry | 6 | 54 | 230 | 671 |
| 845 | Calorimetry | 4 | 53 | 821 | 1,022 |
| 845 | Thermal Analysis | 4 | 53 | 949 | 1,109 |
| 845 | Accounting | 4 | 53 | 1,991 | 1,799 |
| 848 | Coastal Engineering | 2 | 52 | 399 | 413 |
| 848 | Paleoceanography | 2 | 52 | 365 | 411 |
| 850 | Coast | 1 | 51 | 555 | 454 |
| 850 | Estuary | 1 | 51 | 555 | 454 |
| 852 | Nutrition | 6 | 50 | 3,190 | 4,416 |
| 852 | Dentistry | 4 | 50 | 2,144 | 2,281 |
| 852 | Combustion | 2 | 50 | 886 | 940 |
| 852 | Fluid Flow | 1 | 50 | 982 | 742 |
| 852 | Climate | 3 | 50 | 141 | 265 |
| 852 | Finance Theory | 1 | 50 | 567 | 541 |
| 858 | Information Theory | 4 | 49 | 730 | 881 |
| 858 | Infectious Diseases | 4 | 49 | 2,653 | 3,168 |
| 858 | Program Evaluation | 1 | 49 | 825 | 504 |
| 858 | Engineering Management | 4 | 49 | 564 | 907 |
| 858 | Nervous System Diseases | 1 | 49 | 2,602 | 2,167 |
| 858 | Business Enterprises | 2 | 49 | 840 | 864 |
| 858 | Applied Ecology | 1 | 49 | 1,190 | 1,103 |
| 858 | Neurological Diagnostic Techniques | 1 | 49 | 894 | 997 |
| 866 | Biometry | 3 | 48 | 874 | 851 |
| 866 | Non Ferrous Metal | 2 | 48 | 422 | 502 |
| 866 | Nonlinear Behavior | 4 | 48 | 527 | 699 |
| 869 | Ergonomics | 2 | 47 | 1,605 | 1,471 |
| 869 | Business Management | 2 | 47 | 165 | 99 |
| 869 | Endoscopy | 3 | 47 | 1,142 | 1,237 |
| 869 | Electrical Insulation | 3 | 47 | 426 | 520 |
| 869 | Dielectric Devices | 3 | 47 | 358 | 445 |
| 874 | Particle Physics | 11 | 46 | 1,797 | 2,553 |
| 874 | Pest Control | 3 | 46 | 647 | 817 |
| 874 | Computer Aided Design | 5 | 46 | 812 | 1,250 |
| 874 | Life Cycle Assessment | 2 | 46 | 348 | 444 |
| 874 | Integral Calculus | 5 | 46 | 86 | 115 |
| 874 | Integral Transforms | 5 | 46 | 86 | 115 |
| 880 | Semiconductors | 5 | 45 | 1,252 | 1,499 |
| 880 | Child Welfare | 3 | 45 | 903 | 1,009 |
| 880 | Supramolecular Chemistry | 4 | 45 | 474 | 572 |
| 880 | Antibiotics | 3 | 45 | 1,192 | 1,533 |
| 880 | Experimental Medicine | 2 | 45 | 2,168 | 2,274 |
| 880 | Commodity Exchanges | 2 | 45 | 408 | 414 |
| 880 | Toxin | 2 | 45 | 1,484 | 1,628 |
| 880 | Environmental Impact Statements | 1 | 45 | 382 | 313 |
| 888 | Sedimentology | 1 | 44 | 1,254 | 1,114 |
| 888 | Psychometrics | 4 | 44 | 635 | 905 |
| 888 | Boundary Value Problems | 10 | 44 | 81 | 152 |
| 888 | Coatings | 11 | 44 | 678 | 1,641 |
| 888 | Flood Forecasting | 2 | 44 | 139 | 216 |
| 888 | Erosion | 1 | 44 | 243 | 185 |
| 888 | Visualization | 9 | 44 | 310 | 709 |
| 888 | Flood Control | 2 | 44 | 139 | 216 |
| 888 | Evolution Equations | 4 | 44 | 143 | 156 |
| 888 | Virus Diseases | 3 | 44 | 1,299 | 1,690 |
| 888 | Clinical Virology | 3 | 44 | 1,098 | 1,431 |
| 888 | Viral Diseases | 3 | 44 | 953 | 1,262 |
| 900 | Oral Medicine | 1 | 43 | 1,669 | 1,373 |
| 900 | Mouth Diseases | 1 | 43 | 1,073 | 788 |
| 900 | Computational Materials Science | 2 | 43 | 307 | 458 |
| 900 | HIV Medicine | 3 | 43 | 498 | 661 |
| 900 | Structural Change | 3 | 43 | 190 | 352 |
| 900 | Tooth Diseases | 1 | 43 | 1,073 | 788 |
| 906 | Human Geography | 2 | 42 | 1,374 | 1,349 |
| 906 | Probabilities | 10 | 42 | 690 | 1,013 |
| 906 | Fuel Chemistry | 2 | 42 | 98 | 83 |
| 909 | Geriatrics | 2 | 41 | 2,905 | 2,799 |
| 909 | Nuclear Chemistry | 4 | 41 | 964 | 1,027 |
| 909 | Radiochemistry | 4 | 41 | 811 | 863 |
| 909 | Mycology | 2 | 41 | 2,189 | 2,212 |
| 909 | Fertilizers | 6 | 41 | 116 | 351 |
| 909 | Population | 2 | 41 | 652 | 719 |
| 909 | Conservation | 1 | 41 | 1,754 | 1,649 |
| 909 | Cropping Systems | 6 | 41 | 88 | 329 |
| 909 | Nutrient Cycles | 6 | 41 | 88 | 329 |
| 909 | Radiochemical Analysis | 4 | 41 | 708 | 761 |
| 909 | Social Work with Youth | 2 | 41 | 723 | 783 |
| 920 | Health Policy | 2 | 40 | 1,774 | 1,780 |
| 920 | Social Policy | 2 | 40 | 833 | 635 |
| 920 | Medical Policy | 2 | 40 | 1,254 | 1,386 |
| 920 | Social Medicine | 2 | 40 | 959 | 1,018 |
| 920 | Surface Engineering | 3 | 40 | 261 | 311 |
| 920 | Intelligent Systems | 4 | 40 | 530 | 543 |
| 920 | Marine Affairs | 2 | 40 | 647 | 761 |
| 920 | Radiation Chemistry | 2 | 40 | 1,019 | 883 |
| 928 | Virtual Reality | 3 | 39 | 364 | 608 |
| 928 | Brain | 3 | 39 | 2,599 | 3,205 |
| 928 | Hygiene | 2 | 39 | 1,573 | 1,725 |
| 931 | Medical Physics | 5 | 38 | 1,447 | 2,080 |
| 931 | Mental Health | 1 | 38 | 2,862 | 2,095 |
| 931 | Analytical Biochemistry | 3 | 38 | 1,054 | 1,427 |
| 931 | Energy Consumption | 2 | 38 | 160 | 226 |
| 931 | Older People | 3 | 38 | 1,866 | 2,126 |
| 931 | Innovation | 1 | 38 | 1,958 | 1,511 |
| 931 | Radioactivity | 2 | 38 | 1,138 | 1,122 |
| 931 | Radioactive Pollution | 2 | 38 | 502 | 656 |
| 931 | Energy Efficiency | 2 | 38 | 160 | 226 |
| 931 | Radioecology | 2 | 38 | 503 | 656 |
| 931 | Aquatic Botany | 2 | 38 | 402 | 567 |
| 931 | Marine Geodesy | 3 | 38 | 81 | 142 |
| 931 | New Products | 1 | 38 | 210 | 290 |
| 931 | Radioactive Pollutants | 2 | 38 | 502 | 656 |
| 945 | Multivariate Analysis | 2 | 37 | 636 | 627 |
| 945 | Quantum Gravity | 1 | 37 | 1,029 | 904 |
| 945 | Sound | 4 | 37 | 619 | 575 |
| 945 | Futures | 1 | 37 | 508 | 413 |
| 945 | Chemical Industry | 6 | 37 | 679 | 1,329 |
| 945 | Recycling | 2 | 37 | 459 | 493 |
| 945 | Gravitation | 1 | 37 | 1,289 | 1,035 |
| 945 | Relativity | 1 | 37 | 1,034 | 925 |
| 945 | Consumer Electronics | 4 | 37 | 49 | 205 |
| 945 | Environmental Modelling | 2 | 37 | 203 | 233 |
| 945 | Futures Market | 1 | 37 | 508 | 413 |
| 945 | Multivariate Statistics | 2 | 37 | 551 | 547 |
| 957 | Nuclear Fusion | 3 | 36 | 550 | 629 |
| 957 | Environmental Geochemistry | 5 | 36 | 308 | 926 |
| 957 | Quality of Life | 2 | 36 | 1,714 | 2,075 |
| 957 | Fusion Reactors | 3 | 36 | 382 | 391 |
| 957 | Social Conditions | 2 | 36 | 1,140 | 1,323 |
| 957 | Biomedical Technology | 2 | 36 | 1,035 | 821 |
| 957 | Social Indicators | 2 | 36 | 841 | 1,002 |
| 957 | Polymer Chemistry | 1 | 36 | 360 | 299 |
| 957 | Quality of Life Research | 2 | 36 | 765 | 979 |
| 966 | Marine Ecology | 4 | 35 | 678 | 987 |
| 966 | Combinatorial Optimization | 6 | 35 | 297 | 527 |
| 966 | Miniaturization | 3 | 35 | 786 | 1,173 |
| 966 | Nanotoxicology | 1 | 35 | 210 | 197 |
| 966 | Computation Theory | 4 | 35 | 113 | 203 |
| 966 | Electric Engineering | 2 | 35 | 495 | 740 |
| 972 | Mass Spectrometry | 1 | 34 | 1,751 | 1,464 |
| 972 | Continuum Mechanics | 1 | 34 | 327 | 242 |
| 972 | Biological Evolution | 2 | 34 | 2,009 | 2,565 |
| 972 | Evolutionary Biology | 2 | 34 | 2,172 | 2,633 |
| 972 | Allergology | 3 | 34 | 1,368 | 1,729 |
| 972 | Research Methods | 6 | 34 | 353 | 820 |
| 978 | Forest Policy | 2 | 33 | 310 | 467 |
| 978 | Substance Dependence | 1 | 33 | 1,018 | 1,045 |
| 978 | Biochar | 2 | 33 | 102 | 301 |
| 981 | Quantum Chemistry | 1 | 32 | 441 | 294 |
| 981 | Noise | 3 | 32 | 163 | 226 |
| 981 | Information Society | 1 | 32 | 496 | 443 |
| 981 | Information Access | 1 | 32 | 353 | 306 |
| 981 | Mechanical Damping | 3 | 32 | 120 | 193 |
| 986 | Seismology | 1 | 31 | 881 | 735 |
| 986 | Fixed Point Theory | 9 | 31 | 75 | 253 |
| 986 | Earthquakes | 1 | 31 | 813 | 721 |
| 986 | Bioluminescence | 3 | 31 | 368 | 495 |
| 986 | Isotopes | 3 | 31 | 814 | 962 |
| 986 | Chemiluminescence | 3 | 31 | 368 | 495 |
| 992 | Biostatistics | 1 | 30 | 825 | 546 |
| 992 | Ecosystem Management | 5 | 30 | 379 | 898 |
| 992 | Calculus of Variations | 4 | 30 | 477 | 608 |
| 992 | Food Analysis | 2 | 30 | 1,153 | 1,465 |
| 992 | Software Development | 1 | 30 | 734 | 708 |
| 997 | Computational Linguistics | 4 | 29 | 374 | 585 |
| 997 | Phytoremediation | 3 | 29 | 277 | 638 |
| 997 | Electrochemical Analysis | 4 | 29 | 1,349 | 2,030 |
| 997 | Environmental Remediation | 3 | 29 | 418 | 768 |