| 1 | Intelligent Transportation Systems | 622 | 25.5K | 2 | 2 |
| 2 | Physics | 1,070 | 22.4K | 392 | 788 |
| 3 | Signal Processing | 450 | 22.0K | 52 | 61 |
| 4 | Transportation | 705 | 20.9K | 8 | 13 |
| 5 | Telecommunication | 440 | 20.2K | 44 | 62 |
| 6 | Image Processing | 447 | 18.4K | 23 | 43 |
| 7 | Materials | 670 | 18.2K | 236 | 377 |
| 8 | Wireless Communication Systems | 568 | 16.9K | 15 | 34 |
| 9 | Artificial Intelligence | 425 | 12.8K | 54 | 117 |
| 10 | Nanotechnology | 313 | 12.3K | 339 | 416 |
| 11 | Chemistry | 204 | 11.3K | 1334 | 1071 |
| 12 | Optics | 852 | 10.4K | 98 | 189 |
| 13 | Statistical physics | 431 | 9.9K | 173 | 234 |
| 14 | Automation | 184 | 9.5K | 117 | 135 |
| 15 | Mathematical Physics | 394 | 8.5K | 67 | 155 |
| 16 | energy conservation | 109 | 7.9K | 119 | 104 |
| 17 | Science | 293 | 7.8K | 782 | 1245 |
| 18 | Building Materials | 222 | 7.7K | 45 | 79 |
| 19 | Materials Science | 234 | 7.6K | 347 | 445 |
| 20 | Systems Engineering | 281 | 7.6K | 20 | 39 |
| 21 | Composite Materials | 140 | 7.3K | 244 | 198 |
| 22 | computer networks | 302 | 7.2K | 28 | 70 |
| 23 | Optical materials | 193 | 6.8K | 138 | 200 |
| 24 | Chemical Engineering | 150 | 6.5K | 613 | 545 |
| 25 | Earthquake Engineering | 235 | 6.5K | 39 | 62 |
| 26 | Photonics | 274 | 6.5K | 59 | 153 |
| 27 | Neural circuitry | 250 | 6.3K | 34 | 53 |
| 28 | China | 453 | 6.3K | 52 | 78 |
| 29 | lasers | 318 | 6.2K | 30 | 51 |
| 30 | Information Technology | 184 | 6.2K | 29 | 68 |
| 31 | Mathematics | 519 | 6.2K | 319 | 376 |
| 32 | Tunneling | 159 | 6.2K | 6 | 7 |
| 32 | underground construction | 159 | 6.2K | 6 | 7 |
| 34 | Mechanical Engineering | 328 | 6.0K | 40 | 46 |
| 35 | Structural Engineering | 274 | 5.9K | 35 | 79 |
| 36 | Nanostructured Materials | 146 | 5.8K | 300 | 291 |
| 37 | internet | 212 | 5.7K | 18 | 45 |
| 38 | Internet of Things | 209 | 5.7K | 17 | 42 |
| 39 | Power Electronics | 197 | 5.5K | 32 | 75 |
| 40 | Radio | 128 | 5.5K | 106 | 122 |
| 41 | Energy Policy | 128 | 5.4K | 142 | 202 |
| 42 | Communication | 72 | 5.3K | 250 | 133 |
| 43 | Information Science | 132 | 5.0K | 113 | 119 |
| 44 | Engineering Geology | 155 | 4.9K | 43 | 57 |
| 45 | Biology | 68 | 4.9K | 1755 | 1507 |
| 46 | Radio waves | 112 | 4.6K | 68 | 66 |
| 47 | System analysis | 170 | 4.4K | 63 | 93 |
| 48 | Biocompatible Materials | 112 | 4.3K | 529 | 646 |
| 49 | Electrical Engineering | 196 | 4.3K | 195 | 138 |
| 50 | Engineering | 211 | 4.1K | 206 | 240 |
| 51 | Multimedia Systems | 241 | 4.1K | 22 | 42 |
| 52 | Ocean Engineering | 170 | 4.1K | 87 | 118 |
| 53 | Cybernetics | 75 | 4.0K | 131 | 144 |
| 54 | Rock Mechanics | 130 | 3.9K | 42 | 63 |
| 55 | Soil Mechanics | 142 | 3.9K | 55 | 87 |
| 56 | Fracture mechanics | 193 | 3.7K | 38 | 79 |
| 57 | Research | 297 | 3.7K | 674 | 1193 |
| 58 | nanoscience | 123 | 3.7K | 274 | 458 |
| 59 | Biomedical Engineering | 176 | 3.7K | 437 | 638 |
| 60 | management | 108 | 3.7K | 386 | 547 |
| 61 | Electronics | 191 | 3.7K | 250 | 340 |
| 62 | Biochemical Engineering | 73 | 3.6K | 553 | 647 |
| 63 | Operations Research | 144 | 3.6K | 116 | 182 |
| 64 | Molecular Biology | 62 | 3.5K | 1728 | 1390 |
| 65 | Logistics | 122 | 3.5K | 2 | 9 |
| 66 | Control Theory | 116 | 3.4K | 129 | 118 |
| 67 | Renewable Energy Sources | 91 | 3.4K | 220 | 450 |
| 68 | Energy Conversion | 39 | 3.4K | 225 | 222 |
| 69 | Medicine | 198 | 3.4K | 1069 | 1522 |
| 70 | Heat Exchangers | 58 | 3.3K | 107 | 64 |
| 71 | Process Control | 46 | 3.3K | 59 | 51 |
| 72 | Pollution | 72 | 3.3K | 1034 | 1039 |
| 73 | vibration | 97 | 3.2K | 55 | 66 |
| 74 | Structural dynamics | 65 | 3.2K | 99 | 99 |
| 75 | Production Management | 48 | 3.1K | 124 | 141 |
| 76 | Detectors | 143 | 3.1K | 32 | 32 |
| 77 | Biotechnology | 51 | 2.9K | 1363 | 1122 |
| 78 | Telecommunication Systems | 135 | 2.8K | 28 | 29 |
| 79 | Analytical Chemistry | 96 | 2.7K | 762 | 807 |
| 80 | Fiber Optics | 193 | 2.7K | 15 | 67 |
| 81 | Numerical Analysis | 134 | 2.7K | 95 | 127 |
| 82 | multimedia | 101 | 2.7K | 21 | 36 |
| 82 | Interactive multimedia | 101 | 2.7K | 21 | 37 |
| 84 | mass transfer | 88 | 2.7K | 143 | 187 |
| 85 | Environmental Chemistry | 16 | 2.6K | 733 | 348 |
| 86 | Transportation Engineering | 154 | 2.5K | 4 | 16 |
| 87 | Ecology | 62 | 2.5K | 1343 | 1396 |
| 88 | Natural history | 12 | 2.5K | 1473 | 1246 |
| 89 | Smart Materials | 75 | 2.5K | 47 | 45 |
| 90 | Mobile Computing | 94 | 2.5K | 41 | 70 |
| 91 | Magnetic Materials | 94 | 2.4K | 99 | 133 |
| 92 | Measurement | 94 | 2.4K | 53 | 46 |
| 93 | Environmental Health | 52 | 2.4K | 1145 | 1028 |
| 94 | Bioengineering | 37 | 2.3K | 1114 | 909 |
| 95 | Quantum electronics | 140 | 2.3K | 85 | 125 |
| 96 | Industrial Safety | 74 | 2.3K | 49 | 69 |
| 97 | Environment | 52 | 2.3K | 1067 | 1286 |
| 98 | Catalysis | 66 | 2.2K | 891 | 970 |
| 98 | environmental pollution | 53 | 2.2K | 958 | 956 |
| 100 | Metals | 49 | 2.1K | 386 | 342 |
| 101 | Biophysics | 52 | 2.1K | 1363 | 1182 |
| 102 | Environmental Engineering | 55 | 2.0K | 664 | 696 |
| 103 | Condensed Matter | 57 | 2.0K | 857 | 773 |
| 104 | Structural design | 52 | 2.0K | 63 | 48 |
| 105 | machinery | 73 | 2.0K | 29 | 22 |
| 106 | Colloids | 69 | 2.0K | 788 | 916 |
| 107 | Biochemistry | 44 | 1.9K | 2425 | 2031 |
| 108 | Ceramic materials | 47 | 1.9K | 156 | 111 |
| 109 | Solid State Physics | 93 | 1.9K | 783 | 820 |
| 109 | electric vehicles | 72 | 1.9K | 18 | 14 |
| 111 | Roads | 139 | 1.9K | 37 | 55 |
| 112 | Combustion | 84 | 1.9K | 122 | 166 |
| 113 | Civil Engineering | 145 | 1.8K | 56 | 68 |
| 114 | Soil dynamics | 63 | 1.8K | 22 | 28 |
| 115 | Polymers | 78 | 1.8K | 934 | 974 |
| 116 | Metallurgy | 42 | 1.8K | 499 | 391 |
| 117 | Environmental monitoring | 43 | 1.8K | 862 | 876 |
| 118 | Nanostructures | 33 | 1.8K | 398 | 348 |
| 119 | Electromagnetism | 94 | 1.7K | 43 | 107 |
| 120 | miniaturization | 26 | 1.7K | 509 | 462 |
| 121 | Surface Chemistry | 61 | 1.6K | 865 | 994 |
| 122 | Electrochemistry | 50 | 1.6K | 1099 | 869 |
| 123 | Microelectronics | 28 | 1.6K | 504 | 419 |
| 124 | Technology | 106 | 1.5K | 443 | 709 |
| 125 | Boundary Value Problems | 81 | 1.5K | 22 | 63 |
| 126 | Water pollution | 18 | 1.5K | 1075 | 708 |
| 127 | Antenna Arrays | 75 | 1.4K | 21 | 62 |
| 128 | finance | 83 | 1.4K | 253 | 414 |
| 129 | Water | 17 | 1.4K | 989 | 725 |
| 130 | fuel cells | 35 | 1.4K | 247 | 333 |
| 131 | Solitons | 74 | 1.4K | 24 | 63 |
| 131 | Fractals | 74 | 1.4K | 25 | 63 |
| 131 | Chaos | 74 | 1.4K | 24 | 63 |
| 134 | concrete | 26 | 1.4K | 227 | 252 |
| 135 | Economics | 76 | 1.3K | 830 | 885 |
| 136 | Ceramics | 27 | 1.3K | 347 | 209 |
| 137 | Fuzzy systems | 111 | 1.3K | 34 | 76 |
| 138 | Computer Graphics | 90 | 1.3K | 160 | 304 |
| 139 | Optoelectronics | 176 | 1.3K | 3 | 4 |
| 140 | Robotics | 70 | 1.3K | 178 | 300 |
| 141 | Superconductors | 125 | 1.3K | 60 | 97 |
| 142 | Optical Communications | 63 | 1.3K | 45 | 45 |
| 143 | polymerization | 60 | 1.3K | 910 | 984 |
| 144 | Biomass Energy | 24 | 1.2K | 748 | 759 |
| 145 | Tribology | 56 | 1.2K | 130 | 157 |
| 146 | Manufacturing Processes | 60 | 1.2K | 363 | 495 |
| 146 | Nonlinear Dynamics | 43 | 1.2K | 533 | 522 |
| 148 | Environmental Policy | 26 | 1.2K | 968 | 976 |
| 149 | Solar Energy | 24 | 1.2K | 426 | 373 |
| 150 | Cement | 11 | 1.1K | 248 | 186 |
| 151 | health planning | 76 | 1.1K | 156 | 297 |
| 152 | Nuclear Physics | 28 | 1.1K | 1650 | 1309 |
| 153 | Fluid Mechanics | 52 | 1.1K | 227 | 307 |
| 154 | Computer Vision | 65 | 1.1K | 92 | 303 |
| 155 | energy resources | 18 | 1.1K | 425 | 459 |
| 156 | Nanoparticles | 35 | 1.1K | 381 | 439 |
| 157 | Intelligent Control Systems | 88 | 1.1K | 16 | 45 |
| 158 | Environmental Geology | 22 | 1.1K | 444 | 284 |
| 159 | Combinatorial analysis | 110 | 1.1K | 44 | 76 |
| 160 | Public Health | 24 | 1.0K | 1654 | 1285 |
| 161 | Entropy | 91 | 1.0K | 9 | 32 |
| 162 | Nervous system | 33 | 1.0K | 617 | 719 |
| 163 | Luminescence | 81 | 992 | 36 | 106 |
| 164 | Earth Sciences | 73 | 974 | 510 | 879 |
| 165 | solar power | 18 | 973 | 176 | 167 |
| 165 | solar cells | 18 | 973 | 217 | 189 |
| 167 | Thermodynamics | 61 | 962 | 75 | 97 |
| 168 | sanitation | 11 | 945 | 698 | 627 |
| 169 | Production Engineering | 53 | 925 | 314 | 372 |
| 170 | Nondestructive testing | 26 | 912 | 103 | 76 |
| 170 | Mechanics | 34 | 912 | 239 | 193 |
| 172 | Information Systems | 26 | 893 | 263 | 227 |
| 173 | Imaging systems | 69 | 879 | 13 | 28 |
| 174 | Energy Storage | 33 | 870 | 220 | 320 |
| 175 | Diagnostic Imaging | 60 | 869 | 258 | 464 |
| 176 | Nonlinear functional analysis | 27 | 861 | 241 | 125 |
| 177 | Medical Laboratory Science | 9 | 859 | 1057 | 667 |
| 178 | actuators | 36 | 843 | 521 | 717 |
| 178 | transducers | 36 | 843 | 521 | 717 |
| 180 | Information Theory | 36 | 816 | 285 | 351 |
| 181 | city planning | 43 | 801 | 256 | 377 |
| 182 | Environmental Management | 21 | 788 | 1018 | 1167 |
| 183 | Computer Science | 61 | 781 | 160 | 281 |
| 184 | Bioinformatics | 37 | 769 | 428 | 621 |
| 185 | coal | 33 | 766 | 339 | 562 |
| 186 | Radiography | 17 | 758 | 237 | 304 |
| 187 | Energy Consumption | 16 | 757 | 72 | 106 |
| 188 | Statistics | 77 | 748 | 437 | 654 |
| 189 | Business | 15 | 732 | 950 | 911 |
| 190 | commerce | 19 | 731 | 434 | 441 |
| 191 | Visual Communication | 47 | 715 | 9 | 26 |
| 191 | Image enhancement | 47 | 715 | 9 | 25 |
| 193 | Recycling | 10 | 691 | 236 | 239 |
| 194 | Oxidative stress | 2 | 688 | 972 | 323 |
| 195 | Medical Physics | 30 | 681 | 446 | 545 |
| 196 | Engineering Mathematics | 64 | 680 | 199 | 385 |
| 197 | Geotechnical Engineering | 28 | 672 | 111 | 134 |
| 198 | Computational Complexity | 53 | 667 | 37 | 67 |
| 198 | Glass | 13 | 667 | 432 | 305 |
| 198 | pottery | 13 | 667 | 420 | 298 |
| 201 | Human-Computer Interaction | 32 | 657 | 235 | 397 |
| 202 | Cellular senescence | 1 | 655 | 601 | 95 |
| 203 | Meteorology | 7 | 643 | 1301 | 850 |
| 204 | Simulation Methods | 18 | 624 | 210 | 99 |
| 205 | Semiconductors | 33 | 613 | 513 | 495 |
| 206 | Land use | 5 | 596 | 830 | 312 |
| 207 | infrared radiation | 48 | 592 | 26 | 40 |
| 208 | Systems Analysis | 23 | 591 | 237 | 195 |
| 209 | Materials Engineering | 20 | 590 | 104 | 48 |
| 210 | Energy Harvesting | 7 | 582 | 242 | 256 |
| 211 | Neurology | 16 | 580 | 1863 | 1772 |
| 212 | Graph Theory | 63 | 570 | 48 | 93 |
| 213 | International Finance | 40 | 569 | 285 | 565 |
| 213 | United States | 46 | 569 | 1109 | 1561 |
| 215 | nucleic acids | 4 | 568 | 1187 | 763 |
| 216 | Psychology | 32 | 561 | 1420 | 1571 |
| 217 | Cytology | 11 | 546 | 1872 | 1696 |
| 218 | Ultrasonics | 30 | 541 | 231 | 439 |
| 219 | sustainability | 26 | 533 | 122 | 344 |
| 220 | Social Sciences | 34 | 531 | 853 | 929 |
| 220 | environmental protection | 21 | 531 | 1274 | 1484 |
| 222 | Economic History | 38 | 528 | 805 | 973 |
| 223 | Building | 27 | 523 | 121 | 124 |
| 224 | Solid State Chemistry | 38 | 509 | 693 | 902 |
| 225 | rehabilitation | 8 | 508 | 1202 | 760 |
| 226 | mathematical analysis | 68 | 495 | 457 | 749 |
| 227 | Fluid Dynamics | 28 | 494 | 277 | 378 |
| 228 | Ultrasound | 28 | 491 | 145 | 221 |
| 229 | Urban Policy | 16 | 489 | 217 | 241 |
| 230 | Cognitive Radio Networks | 34 | 485 | 7 | 39 |
| 230 | economic policy | 29 | 485 | 645 | 625 |
| 232 | Computer-Aided Design | 7 | 484 | 745 | 360 |
| 233 | Wireless Communication | 51 | 483 | 6 | 25 |
| 234 | Dynamics | 38 | 482 | 259 | 372 |
| 235 | Adaptive control systems | 37 | 470 | 44 | 89 |
| 236 | Electromagnetic compatibility | 13 | 464 | 127 | 67 |
| 237 | Molecules | 5 | 449 | 1183 | 538 |
| 238 | Computational Biology | 27 | 429 | 660 | 994 |
| 239 | extraterrestrial environment | 25 | 407 | 96 | 119 |
| 239 | astronomical phenomena | 25 | 407 | 89 | 107 |
| 239 | Nonlinear systems | 18 | 407 | 140 | 163 |
| 242 | Quality Control | 13 | 404 | 634 | 623 |
| 243 | Parallel Processing | 15 | 400 | 140 | 218 |
| 244 | Green Chemistry | 12 | 382 | 851 | 1036 |
| 245 | Zeolites | 8 | 380 | 513 | 429 |
| 246 | Carbon | 7 | 376 | 814 | 822 |
| 247 | Spectrum analysis | 16 | 372 | 1969 | 1955 |
| 247 | traffic safety | 14 | 372 | 54 | 44 |
| 249 | Microwaves | 58 | 368 | 244 | 469 |
| 250 | Mechatronics | 25 | 367 | 176 | 339 |
| 250 | Radio wave propagation | 39 | 367 | 85 | 172 |
| 252 | Superconductivity | 21 | 365 | 97 | 113 |
| 253 | Ultrasonic Imaging | 15 | 361 | 133 | 154 |
| 254 | Matroids | 21 | 359 | 46 | 62 |
| 255 | Public Policy | 14 | 358 | 689 | 739 |
| 255 | software | 19 | 358 | 237 | 493 |
| 257 | Cryptography | 55 | 356 | 16 | 105 |
| 258 | Cell differentiation | 4 | 355 | 1055 | 898 |
| 258 | Finite Element Method | 1 | 355 | 573 | 64 |
| 260 | Hydrology | 8 | 354 | 1410 | 1067 |
| 261 | Urban Transportation | 23 | 353 | 3 | 6 |
| 262 | Environmental Law | 5 | 350 | 766 | 724 |
| 263 | Geophysics | 29 | 348 | 1103 | 1586 |
| 264 | Mining Engineering | 16 | 345 | 149 | 215 |
| 264 | structural stability | 12 | 345 | 104 | 159 |
| 266 | Investment analysis | 25 | 344 | 98 | 292 |
| 267 | Soft Condensed Matter | 13 | 340 | 480 | 516 |
| 268 | biopolymers | 11 | 336 | 561 | 555 |
| 269 | Telecommunications | 22 | 335 | 88 | 141 |
| 270 | Behavior | 8 | 334 | 1791 | 1755 |
| 271 | Cell death | 6 | 331 | 710 | 719 |
| 272 | Cloud Computing | 21 | 325 | 24 | 84 |
| 273 | Plasma chemistry | 11 | 324 | 147 | 129 |
| 274 | population geography | 20 | 323 | 52 | 122 |
| 275 | Computational Intelligence | 23 | 322 | 84 | 179 |
| 276 | Traffic Engineering | 11 | 316 | 135 | 206 |
| 277 | Structural optimization | 6 | 313 | 227 | 155 |
| 278 | Systems Theory | 13 | 311 | 84 | 41 |
| 279 | Nanochemistry | 16 | 306 | 333 | 430 |
| 280 | Cerebral cortex | 6 | 299 | 600 | 545 |
| 281 | Sustainable Engineering | 11 | 295 | 780 | 958 |
| 282 | natural disasters | 11 | 293 | 531 | 613 |
| 283 | Cognitive Science | 14 | 289 | 613 | 883 |
| 284 | Membranes | 7 | 287 | 1103 | 1080 |
| 285 | Structural health monitoring | 7 | 285 | 99 | 88 |
| 286 | atmosphere | 3 | 284 | 727 | 346 |
| 287 | Radiation | 8 | 282 | 1292 | 891 |
| 288 | hazard mitigation | 10 | 281 | 354 | 392 |
| 289 | Microbiology | 11 | 279 | 2863 | 3088 |
| 290 | Geography | 8 | 277 | 1208 | 1041 |
| 290 | Risk Management | 11 | 277 | 234 | 267 |
| 292 | Genomics | 24 | 275 | 929 | 1547 |
| 293 | Calorimetry | 19 | 270 | 311 | 432 |
| 293 | Thermal analysis | 19 | 270 | 311 | 432 |
| 295 | Chemical industry | 21 | 269 | 361 | 475 |
| 296 | radiative transfer | 6 | 267 | 414 | 236 |
| 297 | Project Management | 6 | 266 | 147 | 249 |
| 298 | Combinatorial optimization | 16 | 265 | 82 | 59 |
| 299 | Physical Chemistry | 10 | 259 | 1205 | 1193 |
| 299 | Transport | 2 | 259 | 684 | 324 |
| 301 | Asia | 22 | 258 | 817 | 1041 |
| 302 | Porous materials | 10 | 245 | 291 | 221 |
| 303 | Sustainable Development | 17 | 244 | 651 | 1221 |
| 304 | Soil Science | 4 | 241 | 1542 | 1138 |
| 305 | Data Mining | 24 | 240 | 341 | 914 |
| 306 | Cancer | 7 | 236 | 1588 | 1653 |
| 307 | Neuropsychology | 2 | 234 | 2250 | 1238 |
| 307 | Terahertz Technology | 6 | 234 | 82 | 62 |
| 307 | Psychophysiology | 1 | 234 | 3016 | 1597 |
| 310 | probabilities | 30 | 233 | 399 | 532 |
| 311 | Optoelectronic devices | 31 | 231 | 110 | 259 |
| 312 | Coding Theory | 35 | 229 | 16 | 77 |
| 313 | microwave antennas | 18 | 228 | 62 | 83 |
| 314 | Social Change | 4 | 224 | 886 | 896 |
| 315 | Geomorphology | 4 | 222 | 1137 | 976 |
| 316 | Photochemistry | 7 | 220 | 1090 | 988 |
| 316 | Photobiology | 7 | 220 | 853 | 787 |
| 318 | Quantum Optics | 20 | 217 | 262 | 410 |
| 318 | Atomic spectroscopy | 20 | 217 | 360 | 562 |
| 318 | Laser Spectroscopy | 20 | 217 | 222 | 372 |
| 321 | radioactive waste | 6 | 216 | 505 | 773 |
| 321 | industrial waste | 6 | 216 | 530 | 775 |
| 321 | Hazardous waste | 6 | 216 | 621 | 835 |
| 324 | Genetics | 12 | 214 | 1529 | 2092 |
| 325 | Computer Engineering | 23 | 212 | 123 | 356 |
| 325 | impact | 3 | 212 | 291 | 216 |
| 327 | Molecular evolution | 4 | 211 | 1178 | 1004 |
| 327 | Developing countries | 14 | 211 | 934 | 1249 |
| 329 | Functional Analysis | 28 | 210 | 361 | 684 |
| 330 | Genetic regulation | 4 | 209 | 827 | 714 |
| 331 | Biomechanics | 8 | 205 | 732 | 776 |
| 332 | Metallography | 13 | 201 | 305 | 461 |
| 333 | Algebra | 33 | 200 | 387 | 540 |
| 333 | Ferroelectricity | 18 | 200 | 365 | 399 |
| 335 | Sociology | 16 | 199 | 1209 | 1609 |
| 336 | Information Retrieval | 8 | 198 | 211 | 279 |
| 337 | Astrophysics | 14 | 195 | 1572 | 1812 |
| 338 | Ergonomics | 12 | 192 | 407 | 491 |
| 339 | Industrial Engineering | 16 | 190 | 668 | 1156 |
| 340 | Molecular Spectroscopy | 9 | 189 | 1068 | 1122 |
| 341 | Genetic engineering | 1 | 188 | 2471 | 1322 |
| 341 | Stem cells | 1 | 188 | 1532 | 865 |
| 341 | cloning | 1 | 188 | 779 | 525 |
| 344 | Hydraulic Engineering | 4 | 186 | 705 | 516 |
| 344 | Tourism | 8 | 186 | 977 | 1306 |
| 346 | Sound | 20 | 185 | 303 | 499 |
| 346 | biological evolution | 3 | 185 | 1775 | 1499 |
| 348 | Brain | 3 | 182 | 2105 | 1654 |
| 349 | Health Education | 5 | 178 | 1291 | 997 |
| 349 | pigments | 14 | 178 | 288 | 529 |
| 351 | Economic planning | 8 | 175 | 225 | 271 |
| 352 | Photography | 284 | 174 | 90 | 253 |
| 352 | genome | 7 | 174 | 813 | 1145 |
| 354 | Integrated Circuits | 18 | 171 | 213 | 212 |
| 354 | Technological Innovations | 6 | 171 | 688 | 694 |
| 356 | Evolutionary Computation | 6 | 169 | 250 | 443 |
| 356 | Australia | 9 | 169 | 907 | 921 |
| 358 | Iron | 13 | 167 | 109 | 138 |
| 359 | Statistical Mechanics | 14 | 166 | 253 | 346 |
| 360 | Economic Development | 10 | 164 | 762 | 1138 |
| 361 | World Wide Web | 14 | 163 | 60 | 141 |
| 362 | Lightweight concrete | 4 | 162 | 348 | 523 |
| 363 | Pediatrics | 2 | 159 | 2046 | 1421 |
| 364 | Capital market | 14 | 158 | 90 | 302 |
| 365 | Computational Fluid Dynamics | 11 | 154 | 260 | 412 |
| 366 | Health Services Research | 8 | 153 | 833 | 910 |
| 366 | environmental exposure | 8 | 153 | 1097 | 1477 |
| 368 | Pediatric Neurology | 2 | 151 | 814 | 802 |
| 369 | Financial Engineering | 2 | 147 | 182 | 69 |
| 370 | Regional Planning | 8 | 145 | 883 | 1011 |
| 371 | Pathology | 6 | 144 | 1156 | 1300 |
| 371 | Quantum theory | 7 | 144 | 674 | 625 |
| 373 | Housing | 4 | 143 | 389 | 371 |
| 374 | particles | 7 | 142 | 583 | 664 |
| 375 | Plastics | 6 | 141 | 1173 | 1086 |
| 375 | Product life cycle | 3 | 141 | 272 | 250 |
| 375 | green products | 3 | 141 | 233 | 242 |
| 378 | Swarm Intelligence | 5 | 138 | 157 | 244 |
| 379 | Astronomy | 14 | 137 | 1318 | 1840 |
| 379 | Nanobiotechnology | 2 | 137 | 517 | 487 |
| 381 | Atmospheric Chemistry | 1 | 136 | 1093 | 790 |
| 381 | Atmospheric Physics | 1 | 136 | 1881 | 1143 |
| 383 | Child | 2 | 135 | 2208 | 1471 |
| 383 | Electromagnetic fields | 10 | 135 | 120 | 51 |
| 385 | Child Development | 1 | 134 | 2295 | 1349 |
| 386 | Health promotion | 4 | 133 | 895 | 701 |
| 387 | Liquid Crystals | 12 | 132 | 410 | 375 |
| 388 | Radio frequency | 13 | 130 | 168 | 314 |
| 389 | Ubiquitous computing | 19 | 129 | 6 | 57 |
| 389 | international trade | 4 | 129 | 624 | 455 |
| 391 | Social policy | 7 | 128 | 623 | 618 |
| 392 | Primary health care | 6 | 127 | 1055 | 1071 |
| 393 | health behavior | 3 | 125 | 830 | 676 |
| 393 | preventive medicine | 3 | 125 | 966 | 897 |
| 393 | Health | 3 | 125 | 1883 | 1421 |
| 396 | Decision making | 12 | 124 | 604 | 1072 |
| 397 | Urban Planning | 2 | 123 | 498 | 341 |
| 397 | community development | 2 | 123 | 735 | 411 |
| 397 | Population | 2 | 123 | 1014 | 708 |
| 400 | Risk assessment | 13 | 122 | 123 | 361 |
| 400 | wood | 6 | 122 | 300 | 286 |
| 402 | planning | 6 | 121 | 454 | 457 |
| 403 | Econometrics | 8 | 119 | 859 | 872 |
| 403 | Signal Transduction | 2 | 119 | 1415 | 1242 |
| 405 | Biosensors | 4 | 117 | 1071 | 1447 |
| 405 | Experimental Design | 1 | 117 | 438 | 228 |
| 407 | Interfaces | 15 | 116 | 38 | 200 |
| 408 | plasticity | 2 | 114 | 397 | 416 |
| 409 | Human genetics | 3 | 112 | 1341 | 1805 |
| 410 | Medical genetics | 4 | 111 | 1495 | 1773 |
| 410 | North America | 10 | 111 | 318 | 514 |
| 412 | Multiphase Flow | 4 | 109 | 332 | 354 |
| 413 | Nanoelectronics | 5 | 108 | 573 | 454 |
| 413 | Mineral resources | 5 | 108 | 425 | 656 |
| 415 | viruses | 2 | 107 | 1266 | 1184 |
| 416 | air quality management | 6 | 106 | 277 | 459 |
| 416 | Virology | 4 | 106 | 1890 | 2151 |
| 418 | place marketing | 2 | 105 | 135 | 167 |
| 419 | Immunology | 3 | 102 | 2310 | 2224 |
| 419 | Probability | 4 | 102 | 477 | 469 |
| 419 | Nanophotonics | 4 | 102 | 278 | 321 |
| 419 | Differential Equations | 8 | 102 | 648 | 733 |
| 419 | Financial management | 4 | 102 | 360 | 506 |
| 419 | Risk | 4 | 102 | 423 | 498 |
| 419 | economic analysis | 5 | 102 | 139 | 203 |
| 426 | Marine resources | 10 | 101 | 270 | 595 |
| 426 | Semiconductor industry | 3 | 101 | 559 | 373 |
| 426 | data protection | 10 | 101 | 171 | 335 |
| 429 | Industrial Microbiology | 5 | 100 | 1422 | 1845 |
| 430 | Securities | 5 | 99 | 183 | 342 |
| 431 | Microprocessors | 6 | 98 | 380 | 411 |
| 431 | Aerosols | 3 | 98 | 501 | 432 |
| 431 | Chemical analysis | 5 | 98 | 842 | 1027 |
| 431 | innovation | 3 | 98 | 615 | 779 |
| 435 | Human Resources | 2 | 95 | 616 | 608 |
| 435 | optical devices | 9 | 95 | 186 | 363 |
| 437 | Immunotherapy | 7 | 94 | 1006 | 1490 |
| 437 | Fluorescence spectroscopy | 3 | 94 | 220 | 175 |
| 437 | reasoning | 5 | 94 | 262 | 321 |
| 437 | Crystal growth | 4 | 94 | 889 | 946 |
| 437 | indoor air pollution | 4 | 94 | 276 | 359 |
| 437 | Ventilation | 4 | 94 | 392 | 423 |
| 437 | Sick building syndrome | 4 | 94 | 276 | 359 |
| 444 | Environmental risk assessment | 4 | 93 | 279 | 328 |
| 445 | Proteomics | 4 | 92 | 833 | 1008 |
| 445 | Systems Biology | 4 | 92 | 1146 | 1250 |
| 445 | Organizational change | 4 | 92 | 638 | 652 |
| 445 | Water quality management | 8 | 92 | 1029 | 1458 |
| 449 | Nuclear Engineering | 9 | 91 | 802 | 977 |
| 449 | Telemedicine | 5 | 91 | 187 | 312 |
| 451 | Medical Oncology | 4 | 90 | 1130 | 1283 |
| 451 | Surface-Active Agents | 3 | 90 | 1133 | 1278 |
| 451 | Erosion | 4 | 90 | 43 | 85 |
| 451 | Surface properties | 3 | 90 | 1183 | 1337 |
| 455 | Production Planning | 2 | 88 | 357 | 347 |
| 455 | Production Control | 2 | 88 | 344 | 346 |
| 457 | Granular materials | 4 | 87 | 493 | 635 |
| 457 | natural gas | 2 | 87 | 433 | 368 |
| 459 | Database Management | 11 | 86 | 362 | 693 |
| 459 | Food service management | 1 | 86 | 790 | 634 |
| 459 | Friction | 3 | 86 | 101 | 146 |
| 459 | Landslides | 2 | 86 | 310 | 334 |
| 463 | Nuclear Energy | 7 | 84 | 571 | 690 |
| 463 | epilepsy | 3 | 84 | 818 | 758 |
| 463 | Transnational corporations | 6 | 84 | 178 | 402 |
| 466 | personality | 14 | 83 | 670 | 1543 |
| 467 | Marine Biology | 1 | 82 | 2960 | 2128 |
| 467 | Marine Pollution | 1 | 82 | 1736 | 1306 |
| 467 | Inflammation | 1 | 82 | 1461 | 1175 |
| 470 | Computer Architecture | 5 | 81 | 395 | 389 |
| 470 | aerosol | 2 | 81 | 449 | 367 |
| 472 | Toxicology | 7 | 80 | 2688 | 3565 |
| 472 | Environmental Toxicology | 5 | 80 | 1785 | 2427 |
| 474 | Electromagnetic waves | 7 | 78 | 147 | 244 |
| 474 | big data | 10 | 78 | 166 | 581 |
| 476 | Seismology | 17 | 77 | 140 | 397 |
| 477 | Bioremediation | 6 | 76 | 498 | 1025 |
| 477 | Drying | 5 | 76 | 259 | 385 |
| 479 | Aerospace Engineering | 6 | 75 | 141 | 156 |
| 479 | Integrative Medicine | 7 | 75 | 123 | 156 |
| 479 | Graphene | 1 | 75 | 257 | 197 |
| 482 | Hydrogeology | 2 | 74 | 794 | 664 |
| 483 | Discrete Mathematics | 25 | 73 | 24 | 120 |
| 483 | Chromosome mapping | 8 | 73 | 931 | 1734 |
| 483 | graph | 25 | 73 | 24 | 120 |
| 483 | marketing | 4 | 73 | 1656 | 1913 |
| 483 | gene mapping | 8 | 73 | 1012 | 1900 |
| 488 | Vaccines | 6 | 72 | 983 | 1425 |
| 489 | Geographic information systems | 10 | 71 | 488 | 942 |
| 490 | Humanities | 12 | 70 | 728 | 1295 |
| 490 | Bifurcation Theory | 5 | 70 | 150 | 221 |
| 490 | micromechanics | 4 | 70 | 492 | 614 |
| 493 | Organic Chemistry | 7 | 69 | 2019 | 2606 |
| 493 | Antioxidants | 1 | 69 | 1058 | 978 |
| 493 | Calculus of Variations | 6 | 69 | 376 | 432 |
| 493 | Freezing | 4 | 69 | 238 | 210 |
| 493 | Oxidation-reduction | 1 | 69 | 1065 | 1055 |
| 498 | Microbial Ecology | 3 | 68 | 1798 | 2349 |
| 498 | Algorithms | 6 | 68 | 460 | 613 |
| 498 | Quantum Gravity | 2 | 68 | 1962 | 1693 |
| 498 | data collection | 4 | 68 | 876 | 1164 |
| 498 | Catalysts | 3 | 68 | 692 | 711 |
| 503 | Social Psychology | 14 | 66 | 971 | 2122 |
| 503 | Cell Biology | 5 | 66 | 2340 | 3104 |
| 503 | Geodesy | 4 | 66 | 630 | 734 |
| 503 | Proteome | 1 | 66 | 1372 | 1176 |
| 503 | ports | 6 | 66 | 130 | 242 |
| 503 | Plasma devices | 4 | 66 | 240 | 320 |
| 509 | Product Design | 4 | 65 | 447 | 431 |
| 509 | water supply | 4 | 65 | 694 | 986 |
| 511 | Obesity | 1 | 64 | 2157 | 1837 |
| 512 | Corporate Social Responsibility | 1 | 63 | 645 | 624 |
| 512 | environmental auditing | 1 | 63 | 668 | 631 |
| 514 | Sensor Networks | 20 | 61 | 22 | 230 |
| 514 | Earthquake prediction | 14 | 61 | 11 | 35 |
| 514 | Teaching | 2 | 61 | 2071 | 1633 |
| 514 | mathematical concepts | 6 | 61 | 224 | 329 |
| 518 | Epidemiology | 2 | 60 | 3138 | 2873 |
| 518 | pollutants | 5 | 60 | 1386 | 2224 |
| 518 | human behavior | 4 | 60 | 1956 | 2903 |
| 518 | Environmental pollutants | 5 | 60 | 1663 | 2473 |
| 518 | Biomass | 1 | 60 | 1202 | 1015 |
| 523 | Welfare Economics | 2 | 59 | 530 | 468 |
| 523 | Economic Thought | 2 | 59 | 373 | 468 |
| 523 | Expert Systems | 4 | 59 | 113 | 207 |
| 523 | Mass Media | 6 | 59 | 546 | 540 |
| 523 | economic conditions | 2 | 59 | 612 | 568 |
| 528 | Nuclear Fusion | 1 | 58 | 793 | 508 |
| 528 | Electrochemical Analysis | 6 | 58 | 1167 | 1640 |
| 528 | Database Security | 2 | 58 | 102 | 63 |
| 528 | elasticity | 7 | 58 | 126 | 250 |
| 528 | Cognition | 5 | 58 | 1268 | 1650 |
| 533 | Eastern Europe | 5 | 57 | 604 | 617 |
| 534 | Geology | 6 | 55 | 1905 | 2432 |
| 534 | Geochemistry | 3 | 55 | 1702 | 1927 |
| 534 | thinking | 1 | 55 | 649 | 427 |
| 534 | brain mapping | 1 | 55 | 794 | 778 |
| 534 | Creativity | 1 | 55 | 680 | 455 |
| 539 | Animal husbandry | 1 | 54 | 501 | 359 |
| 539 | Noise | 6 | 54 | 57 | 104 |
| 539 | Regional Development | 2 | 54 | 339 | 337 |
| 539 | Development planning | 2 | 54 | 299 | 315 |
| 539 | Korea | 2 | 54 | 470 | 228 |
| 539 | livestock | 1 | 54 | 761 | 483 |
| 545 | Software Engineering | 12 | 53 | 463 | 1041 |
| 545 | Stochastic Processes | 8 | 53 | 507 | 896 |
| 545 | Environmental Geochemistry | 3 | 53 | 551 | 739 |
| 545 | Minerals | 3 | 53 | 789 | 984 |
| 549 | Histology | 3 | 52 | 1575 | 1871 |
| 549 | Phytochemistry | 2 | 52 | 398 | 431 |
| 549 | Phytoremediation | 2 | 52 | 398 | 431 |
| 549 | environmental remediation | 2 | 52 | 480 | 499 |
| 549 | Bioreactors | 2 | 52 | 398 | 431 |
| 554 | Health Information Management | 1 | 51 | 661 | 858 |
| 554 | Crowdsourcing | 12 | 51 | 5 | 13 |
| 554 | Herbal medicine | 3 | 51 | 728 | 1178 |
| 554 | Collective behavior | 12 | 51 | 7 | 124 |
| 554 | Bioelectronics | 1 | 51 | 1546 | 1695 |
| 554 | Social behavior | 12 | 51 | 517 | 1307 |
| 560 | Sonochemistry | 2 | 50 | 815 | 1187 |
| 560 | stocks | 2 | 50 | 194 | 309 |
| 562 | Pharmacology | 5 | 49 | 3109 | 4027 |
| 562 | Hematology | 1 | 49 | 1966 | 1689 |
| 564 | Immunopharmacology | 3 | 48 | 993 | 1269 |
| 564 | Japan | 5 | 48 | 1346 | 1738 |
| 566 | Geometry | 11 | 47 | 615 | 883 |
| 566 | Government policy | 1 | 47 | 314 | 232 |
| 568 | Biometrics | 1 | 46 | 1353 | 982 |
| 568 | Europe | 5 | 46 | 2105 | 2603 |
| 570 | Biodegradation | 4 | 44 | 604 | 1172 |
| 570 | Corporate governance | 1 | 44 | 1094 | 922 |
| 570 | Urban Areas | 3 | 44 | 223 | 298 |
| 573 | Petroleum Engineering | 4 | 43 | 572 | 828 |
| 573 | Medical Anthropology | 2 | 43 | 1341 | 1639 |
| 573 | Quality Assurance | 8 | 43 | 123 | 412 |
| 573 | Fractional Calculus | 4 | 43 | 92 | 195 |
| 573 | energy development | 3 | 43 | 825 | 1272 |
| 573 | Informatics | 2 | 43 | 988 | 1060 |
| 579 | Flood forecasting | 1 | 42 | 248 | 209 |
| 579 | Flood control | 1 | 42 | 556 | 341 |
| 581 | Game Theory | 7 | 41 | 336 | 597 |
| 581 | Metabolism | 2 | 41 | 2060 | 2423 |
| 581 | DNS | 2 | 41 | 597 | 693 |
| 581 | Vocational guidance | 3 | 41 | 856 | 1165 |
| 581 | Recombinant DNA | 2 | 41 | 1583 | 1686 |
| 581 | DNA | 2 | 41 | 722 | 750 |
| 581 | Genes | 2 | 41 | 1215 | 1334 |
| 588 | Remote Sensing | 10 | 40 | 741 | 1430 |
| 588 | Patient education | 1 | 40 | 857 | 821 |
| 588 | Distributed Databases | 1 | 40 | 311 | 229 |
| 588 | counseling | 1 | 40 | 1855 | 1435 |
| 592 | Brain-Computer Interfaces | 2 | 39 | 47 | 55 |
| 592 | East Asia | 9 | 39 | 248 | 658 |
| 594 | Inventory Control | 2 | 38 | 88 | 198 |
| 595 | Developmental Psychology | 11 | 37 | 500 | 1267 |
| 595 | emergency management | 1 | 37 | 1139 | 979 |
| 595 | histological techniques | 1 | 37 | 859 | 887 |
| 595 | Cyberterrorism | 1 | 37 | 118 | 126 |
| 595 | Food | 3 | 37 | 2754 | 3499 |
| 595 | nuclear power | 3 | 37 | 434 | 421 |
| 601 | Global Health | 1 | 36 | 1665 | 1262 |
| 601 | Human Rights | 1 | 36 | 985 | 643 |
| 601 | Dyslexia | 1 | 36 | 301 | 280 |
| 601 | Plasma polymerization | 2 | 36 | 320 | 396 |
| 601 | atmospheric models | 1 | 36 | 808 | 838 |
| 601 | proteins | 5 | 36 | 1381 | 2123 |
| 607 | Coastal zone management | 4 | 35 | 539 | 984 |
| 607 | cytokines | 2 | 35 | 1269 | 1633 |
| 607 | cell interaction | 3 | 35 | 915 | 1395 |
| 610 | food technology | 2 | 34 | 2646 | 3056 |
| 611 | Nutrition | 2 | 33 | 3612 | 3988 |
| 611 | Highway Engineering | 4 | 33 | 315 | 555 |
| 611 | Underwater acoustics | 1 | 33 | 158 | 77 |
| 611 | Lightweight Materials | 2 | 33 | 36 | 61 |
| 611 | Gene expression regulation | 4 | 33 | 738 | 1220 |
| 611 | Cell survival | 1 | 33 | 437 | 459 |
| 611 | public works | 6 | 33 | 78 | 176 |
| 611 | molecular chaperones | 1 | 33 | 497 | 461 |
| 619 | Educational Technology | 1 | 32 | 2570 | 2245 |
| 619 | Water quality | 2 | 32 | 304 | 435 |
| 619 | space environment | 1 | 32 | 286 | 268 |
| 619 | Water chemistry | 2 | 32 | 474 | 594 |
| 619 | United Kingdom | 3 | 32 | 1253 | 1687 |
| 619 | Muscle contraction | 6 | 32 | 173 | 280 |
| 625 | Genetic algorithms | 1 | 31 | 544 | 632 |
| 625 | microwave communication systems | 2 | 31 | 467 | 536 |
| 625 | Visual Perception | 1 | 31 | 1773 | 1618 |
| 625 | Microwave devices | 2 | 31 | 557 | 597 |
| 625 | Perception | 1 | 31 | 1973 | 1798 |
| 630 | Health Policy | 2 | 30 | 2134 | 2287 |
| 630 | Food Microbiology | 1 | 30 | 1687 | 1865 |
| 630 | Flexible manufacturing systems | 2 | 30 | 530 | 787 |
| 630 | Mountains | 7 | 30 | 172 | 540 |
| 634 | Industrial Statistics | 2 | 29 | 293 | 243 |
| 634 | environmental indicators | 1 | 29 | 1676 | 1901 |
| 634 | Metallic Glasses | 2 | 29 | 547 | 688 |
| 634 | Protective coatings | 1 | 29 | 353 | 204 |
| 634 | libraries | 1 | 29 | 959 | 630 |
| 634 | color | 2 | 29 | 318 | 387 |
| 634 | Jurisprudence | 1 | 29 | 1335 | 1047 |
| 634 | Nonlinear mechanics | 3 | 29 | 450 | 689 |
| 642 | Hydrometeorology | 1 | 28 | 344 | 429 |
| 642 | Research Design | 1 | 28 | 1588 | 1531 |
| 642 | standardization | 1 | 28 | 110 | 67 |
| 645 | Development Economics | 1 | 27 | 762 | 698 |
| 645 | Naval Architecture | 1 | 27 | 517 | 425 |
| 645 | gene therapy | 1 | 27 | 1186 | 1287 |
| 645 | Genetic therapy | 1 | 27 | 1190 | 1287 |
| 649 | Developmental Biology | 3 | 26 | 1619 | 2409 |
| 649 | Health insurance | 2 | 26 | 481 | 597 |
| 649 | Environmental forensics | 1 | 26 | 170 | 143 |
| 649 | visualization | 9 | 26 | 740 | 1216 |
| 653 | Queuing Theory | 2 | 25 | 203 | 242 |
| 653 | Knowledge management | 3 | 25 | 395 | 722 |
| 653 | Turbulence | 1 | 25 | 399 | 368 |
| 653 | arthritis | 1 | 25 | 1185 | 1393 |
| 653 | textile fibers | 3 | 25 | 441 | 664 |
| 658 | Health Services Administration | 1 | 24 | 1551 | 1465 |
| 658 | health workforce | 1 | 24 | 345 | 448 |
| 658 | Natural resources | 2 | 24 | 878 | 1196 |
| 658 | Industrial Policy | 2 | 24 | 609 | 800 |
| 658 | industrial relations | 1 | 24 | 1315 | 1182 |
| 658 | Cell communication | 2 | 24 | 678 | 1075 |
| 664 | Oncology | 1 | 23 | 2377 | 2712 |
| 664 | Virtual reality | 1 | 23 | 754 | 718 |
| 664 | Carcinogenesis | 1 | 23 | 1247 | 1397 |
| 664 | Small Business | 1 | 23 | 1149 | 1426 |
| 664 | carcinogens | 1 | 23 | 1315 | 1460 |
| 664 | mutagens | 1 | 23 | 969 | 1161 |
| 664 | Microstructure | 5 | 23 | 665 | 1269 |
| 664 | computable functions | 1 | 23 | 35 | 24 |
| 672 | Linguistics | 3 | 22 | 1298 | 1506 |
| 672 | Historic Preservation | 5 | 22 | 67 | 212 |
| 672 | Databases | 5 | 22 | 267 | 532 |
| 672 | Immunopathology | 3 | 22 | 931 | 1460 |
| 672 | Crisis management | 1 | 22 | 336 | 312 |
| 672 | Scheduling | 1 | 22 | 274 | 298 |
| 672 | Production Scheduling | 1 | 22 | 274 | 298 |
| 672 | Quality of life | 4 | 22 | 1163 | 2257 |
| 680 | Career development | 1 | 21 | 815 | 744 |
| 680 | protein | 3 | 21 | 1085 | 1557 |
| 680 | organizational effectiveness | 1 | 21 | 819 | 806 |
| 680 | Bones | 1 | 21 | 952 | 1165 |
| 684 | Endocrinology | 1 | 20 | 2879 | 3054 |
| 684 | Clinical Immunology | 2 | 20 | 989 | 1360 |
| 684 | Periglacial processes | 2 | 20 | 165 | 309 |
| 684 | Metabolic diseases | 1 | 20 | 2214 | 2473 |
| 684 | Permafrost | 2 | 20 | 165 | 309 |
| 684 | Frozen ground | 2 | 20 | 167 | 309 |
| 684 | Auditing | 1 | 20 | 645 | 687 |
| 684 | ground penetrating radar | 5 | 20 | 19 | 96 |
| 692 | Environmental Psychology | 1 | 19 | 670 | 903 |
| 692 | Machine Learning | 4 | 19 | 271 | 566 |
| 692 | research and development | 1 | 19 | 597 | 731 |
| 692 | telemarketing | 1 | 19 | 230 | 345 |
| 696 | Analytical Biochemistry | 1 | 18 | 2267 | 2390 |
| 696 | monoclonal antibodies | 1 | 18 | 467 | 464 |
| 696 | Bibliometrics | 1 | 18 | 294 | 403 |
| 696 | Emulsions | 1 | 18 | 723 | 685 |
| 696 | X-rays | 7 | 18 | 282 | 758 |
| 701 | Forecasting | 1 | 17 | 950 | 947 |
| 701 | Hydrodynamics | 2 | 17 | 649 | 991 |
| 701 | Speech Perception | 2 | 17 | 430 | 676 |
| 701 | auditory perception | 2 | 17 | 523 | 784 |
| 701 | Multivariate Analysis | 6 | 17 | 372 | 884 |
| 701 | Formal Languages | 2 | 17 | 393 | 400 |
| 701 | Semigroups | 2 | 17 | 400 | 347 |
| 701 | animal diseases | 1 | 17 | 804 | 924 |
| 709 | Neurobiology | 1 | 16 | 1890 | 2211 |
| 709 | Computational Linguistics | 5 | 16 | 363 | 893 |
| 709 | Neurophysiology | 1 | 16 | 3087 | 3335 |
| 709 | Biofilms | 1 | 16 | 335 | 518 |
| 709 | clay | 1 | 16 | 1271 | 1606 |
| 709 | Wind power | 5 | 16 | 180 | 570 |
| 709 | Oral communication | 1 | 16 | 771 | 813 |
| 709 | Microorganisms | 1 | 16 | 1407 | 1716 |
| 709 | winds | 5 | 16 | 59 | 220 |
| 709 | synthesis | 3 | 16 | 1128 | 1575 |
| 709 | Speech | 1 | 16 | 1294 | 1364 |
| 709 | enzymes | 2 | 16 | 1595 | 2248 |
| 709 | Aging | 1 | 16 | 2989 | 3062 |
| 709 | language | 2 | 16 | 966 | 1292 |
| 723 | Hypertension | 1 | 15 | 1517 | 1819 |
| 723 | Microbial Biotechnology | 2 | 15 | 1271 | 1948 |
| 723 | Neuroimmunology | 2 | 15 | 746 | 1243 |
| 723 | Mortgages | 2 | 15 | 254 | 456 |
| 723 | tomography | 3 | 15 | 341 | 527 |
| 723 | Autonomous robots | 1 | 15 | 322 | 453 |
| 723 | Kidney diseases | 1 | 15 | 1140 | 1268 |
| 730 | Structuralism | 1 | 14 | 287 | 424 |
| 730 | Social Networks | 1 | 14 | 647 | 771 |
| 730 | Sleep Disorders | 1 | 14 | 1789 | 1854 |
| 730 | Randomized Controlled Trials | 1 | 14 | 1291 | 1371 |
| 730 | Noise control | 10 | 14 | 86 | 101 |
| 730 | Reproduction | 1 | 14 | 2447 | 2641 |
| 730 | Soundproofing | 5 | 14 | 46 | 136 |
| 730 | pain | 1 | 14 | 1593 | 1782 |
| 730 | Business communication | 1 | 14 | 294 | 365 |
| 730 | India | 2 | 14 | 1848 | 2059 |
| 730 | Industrial noise | 5 | 14 | 12 | 56 |
| 730 | Sleep | 1 | 14 | 1844 | 1884 |
| 742 | Neuropharmacology | 1 | 13 | 885 | 1033 |
| 742 | medical education | 1 | 13 | 2253 | 2384 |
| 744 | Physiology | 1 | 12 | 4184 | 4639 |
| 744 | Industrial Design | 1 | 12 | 484 | 663 |
| 744 | Social Choice Theory | 1 | 12 | 424 | 407 |
| 744 | Psycholinguistics | 2 | 12 | 1053 | 1541 |
| 744 | Marine Meteorology | 1 | 12 | 447 | 559 |
| 744 | Supply Chain Management | 1 | 12 | 81 | 121 |
| 744 | DNA methylation | 1 | 12 | 457 | 662 |
| 744 | wind erosion | 1 | 12 | 215 | 379 |
| 744 | Earthquakes | 5 | 12 | 246 | 657 |
| 744 | plasma spraying | 1 | 12 | 403 | 526 |
| 744 | radar | 1 | 12 | 336 | 384 |
| 744 | Sonar | 1 | 12 | 279 | 337 |
| 744 | heredity | 2 | 12 | 739 | 1149 |
| 744 | High performance computing | 8 | 12 | 6 | 138 |
| 744 | Navigation | 1 | 12 | 528 | 482 |
| 759 | Speech-Language Pathology | 2 | 11 | 360 | 661 |
| 759 | Palliative Care | 1 | 11 | 1189 | 1325 |
| 759 | Neurotoxicology | 1 | 11 | 959 | 1407 |
| 759 | Architectural Design | 2 | 11 | 585 | 860 |
| 759 | Number Theory | 2 | 11 | 990 | 1103 |
| 759 | Apoptosis | 1 | 11 | 515 | 833 |
| 759 | neurotoxins | 1 | 11 | 515 | 833 |
| 759 | Green Technology | 1 | 11 | 869 | 1229 |
| 759 | Neurotoxic agents | 1 | 11 | 515 | 833 |
| 759 | Chemical kinetics | 2 | 11 | 987 | 1292 |
| 759 | Cell adhesion | 1 | 11 | 311 | 487 |
| 759 | automatic speech recognition | 2 | 11 | 185 | 454 |
| 759 | Planets | 1 | 11 | 1685 | 2068 |
| 759 | Nerve regeneration | 1 | 11 | 515 | 833 |
| 773 | Embedded Systems | 1 | 10 | 359 | 426 |
| 773 | Agricultural Chemistry | 2 | 10 | 2276 | 3153 |
| 773 | Rheology | 2 | 10 | 692 | 1106 |
| 773 | Waste management | 3 | 10 | 1379 | 2374 |
| 773 | Evidence-Based Medicine | 1 | 10 | 1210 | 1486 |
| 773 | Water Purification | 3 | 10 | 1120 | 2029 |
| 773 | foreign exchange | 1 | 10 | 599 | 791 |
| 773 | civilization | 2 | 10 | 1246 | 973 |
| 773 | Plants | 1 | 10 | 2550 | 2918 |
| 782 | Radiology | 1 | 9 | 1665 | 1826 |
| 782 | Law | 1 | 9 | 1835 | 1473 |
| 782 | Crime prevention | 3 | 9 | 253 | 539 |
| 782 | Clinical Pharmacology | 1 | 9 | 1569 | 1916 |
| 782 | Electronic Packaging | 1 | 9 | 367 | 458 |
| 782 | cosmic rays | 1 | 9 | 682 | 829 |
| 782 | Business Ethics | 1 | 9 | 1552 | 2000 |
| 782 | calcification | 1 | 9 | 705 | 970 |
| 782 | explosives | 1 | 9 | 338 | 378 |
| 791 | Agricultural Engineering | 1 | 8 | 758 | 1043 |
| 791 | Psychometrics | 1 | 8 | 648 | 820 |
| 791 | Group theory | 2 | 8 | 94 | 118 |
| 791 | Well-being | 1 | 8 | 327 | 493 |
| 791 | Soil stabilization | 1 | 8 | 30 | 53 |
| 791 | Happiness | 1 | 8 | 870 | 1254 |
| 791 | Strategic planning | 1 | 8 | 1267 | 1658 |
| 791 | Positive Psychology | 1 | 8 | 334 | 583 |
| 791 | Entrepreneurship | 2 | 8 | 1250 | 2155 |
| 791 | optical pattern recognition | 1 | 8 | 297 | 332 |
| 791 | Enzyme | 1 | 8 | 887 | 1317 |
| 791 | Learning | 2 | 8 | 1353 | 2169 |
| 791 | health services | 1 | 8 | 1525 | 1939 |
| 791 | Microscopy | 6 | 8 | 957 | 2246 |
| 791 | Evolution | 2 | 8 | 1878 | 2795 |
| 806 | Nanomedicine | 1 | 7 | 491 | 908 |
| 806 | Sustainable urban development | 1 | 7 | 144 | 262 |
| 806 | Feminist criticism | 1 | 7 | 267 | 371 |
| 806 | Multilingualism | 1 | 7 | 548 | 802 |
| 806 | Machining | 1 | 7 | 309 | 406 |
| 806 | Electromagnetic interference | 1 | 7 | 32 | 45 |
| 806 | global environmental change | 1 | 7 | 1223 | 1793 |
| 806 | Smart Cities | 1 | 7 | 31 | 77 |
| 806 | Groundwater | 1 | 7 | 840 | 1201 |
| 806 | Shipping | 2 | 7 | 107 | 238 |
| 806 | cultural pluralism | 1 | 7 | 753 | 973 |
| 817 | Planetary Science | 3 | 6 | 469 | 998 |
| 817 | Urban Economics | 1 | 6 | 589 | 812 |
| 817 | Higher Education | 4 | 6 | 514 | 1427 |
| 817 | Conservation Biology | 1 | 6 | 1547 | 1991 |
| 817 | economic indicators | 3 | 6 | 86 | 340 |
| 817 | Communication and Culture | 1 | 6 | 529 | 683 |
| 817 | consumer behavior | 1 | 6 | 973 | 1435 |
| 817 | Thin Films | 1 | 6 | 892 | 1154 |
| 817 | Photogrammetry | 2 | 6 | 1037 | 1225 |
| 817 | Cognitive neuroscience | 2 | 6 | 1032 | 1757 |
| 817 | Discrete geometry | 1 | 6 | 439 | 521 |
| 817 | Radiobiology | 1 | 6 | 1416 | 1781 |
| 817 | Second Language Acquisition | 1 | 6 | 372 | 635 |
| 817 | philology | 1 | 6 | 870 | 418 |
| 817 | Neuroplasticity | 2 | 6 | 322 | 777 |
| 817 | Welding | 2 | 6 | 321 | 570 |
| 817 | Cell cycle | 1 | 6 | 500 | 764 |
| 817 | cell proliferation | 1 | 6 | 534 | 797 |
| 817 | Criticism | 1 | 6 | 499 | 401 |
| 817 | urban population | 1 | 6 | 380 | 581 |
| 817 | Germany | 1 | 6 | 1136 | 1089 |
| 817 | human development | 2 | 6 | 936 | 1715 |
| 817 | Culture | 1 | 6 | 1697 | 1834 |
| 840 | Ecological Engineering | 2 | 5 | 790 | 1687 |
| 840 | Journalism | 1 | 5 | 901 | 1076 |
| 840 | Food Policy | 1 | 5 | 537 | 924 |
| 840 | agricultural policy | 1 | 5 | 414 | 756 |
| 840 | Fixed Point Theory | 4 | 5 | 205 | 648 |
| 840 | Geodynamics | 1 | 5 | 1131 | 1475 |
| 840 | Heritage Tourism | 1 | 5 | 285 | 600 |
| 840 | Harmonic Analysis | 2 | 5 | 196 | 454 |
| 840 | cultural tourism | 1 | 5 | 285 | 600 |
| 840 | biological factors | 1 | 5 | 2552 | 3224 |
| 840 | econometric models | 1 | 5 | 1101 | 1483 |
| 840 | world | 1 | 5 | 1117 | 1696 |
| 840 | Agriculture | 1 | 5 | 2856 | 3486 |
| 853 | Mineralogy | 2 | 4 | 1397 | 2174 |
| 853 | Food Preservation | 1 | 4 | 1297 | 1793 |
| 853 | Combinatorial chemistry | 1 | 4 | 1055 | 1581 |
| 853 | Social welfare | 1 | 4 | 961 | 1334 |
| 853 | Access to Information | 1 | 4 | 469 | 923 |
| 853 | Magnetism | 2 | 4 | 216 | 386 |
| 853 | Chemical processes | 1 | 4 | 979 | 1405 |
| 853 | bioluminescence | 1 | 4 | 715 | 1072 |
| 853 | anesthesia | 2 | 4 | 599 | 963 |
| 853 | Social work | 1 | 4 | 1994 | 2503 |
| 853 | Information dissemination | 1 | 4 | 469 | 923 |
| 864 | Computational Chemistry | 1 | 3 | 1044 | 1480 |
| 864 | Software Maintenance | 2 | 3 | 246 | 627 |
| 864 | Neurochemistry | 2 | 3 | 2133 | 3331 |
| 864 | Mathematical Economics | 3 | 3 | 316 | 645 |
| 864 | Cytogenetics | 1 | 3 | 1613 | 2239 |
| 864 | Schizophrenia | 1 | 3 | 1168 | 1537 |
| 864 | Microfabrication | 2 | 3 | 447 | 965 |
| 864 | Plant physiology | 1 | 3 | 2536 | 3305 |
| 864 | Raman spectroscopy | 1 | 3 | 1277 | 1822 |
| 864 | Testing | 2 | 3 | 96 | 335 |
| 864 | infrared technology | 1 | 3 | 371 | 497 |
| 864 | drugs | 1 | 3 | 2426 | 3198 |
| 864 | Chemical reactors | 1 | 3 | 373 | 530 |
| 864 | silicon | 1 | 3 | 728 | 1125 |
| 864 | Aquaculture | 1 | 3 | 1888 | 2510 |
| 879 | Psychiatry | 1 | 2 | 4126 | 5173 |
| 879 | Medical Technology | 2 | 2 | 1750 | 3163 |
| 879 | Botany | 2 | 2 | 3411 | 4879 |
| 879 | Paleoclimatology | 1 | 2 | 1423 | 1921 |
| 879 | Paleoecology | 1 | 2 | 1401 | 1842 |
| 879 | Psychoneuroimmunology | 1 | 2 | 853 | 1281 |
| 879 | Evolutionary Genetics | 1 | 2 | 1124 | 1724 |
| 879 | Molecular Epidemiology | 1 | 2 | 1124 | 1724 |
| 879 | Educational Psychology | 2 | 2 | 1596 | 2783 |
| 879 | Labor Economics | 1 | 2 | 831 | 1179 |
| 879 | Paleogeography | 1 | 2 | 1274 | 1706 |
| 879 | Digital humanities | 1 | 2 | 228 | 430 |
| 879 | Futures | 1 | 2 | 541 | 838 |
| 879 | mental processes | 1 | 2 | 594 | 876 |
| 879 | Mental illness | 1 | 2 | 2088 | 2916 |
| 879 | Immune system | 1 | 2 | 1172 | 1699 |
| 879 | Investments | 1 | 2 | 1012 | 1615 |
| 879 | Immunity | 1 | 2 | 1881 | 2588 |
| 897 | Sustainable Architecture | 1 | 1 | 381 | 667 |
| 897 | Language Disorders | 1 | 1 | 1170 | 1668 |
| 897 | American Literature | 2 | 1 | 800 | 725 |
| 897 | Pediatric Hematology | 1 | 1 | 536 | 798 |
| 897 | Epigenetics | 1 | 1 | 430 | 818 |
| 897 | Cartography | 1 | 1 | 828 | 1201 |
| 897 | Pharmaceutical Chemistry | 1 | 1 | 3660 | 4589 |
| 897 | Operator theory | 1 | 1 | 818 | 1100 |
| 897 | speech therapy | 1 | 1 | 604 | 892 |
| 897 | Information visualization | 1 | 1 | 379 | 694 |
| 897 | Enzyme inhibitors | 1 | 1 | 761 | 1268 |
| 897 | ecological risk assessment | 1 | 1 | 523 | 1024 |
| 897 | soil conservation | 2 | 1 | 967 | 1926 |
| 897 | Epigenomics | 1 | 1 | 421 | 803 |
| 897 | soil pollution | 2 | 1 | 724 | 1661 |
| 897 | Crystallography | 1 | 1 | 2151 | 2562 |
| 897 | Speech Disorders | 1 | 1 | 1312 | 1828 |
| 897 | Cardiovascular system | 1 | 1 | 1397 | 1939 |
| 897 | Spectroscopy | 1 | 1 | 367 | 660 |
| 897 | Serbia | 1 | 1 | 300 | 520 |
| 897 | individual differences | 1 | 1 | 527 | 937 |
| 897 | Communication Disorders | 1 | 1 | 539 | 808 |
| 897 | Health Risk Assessment | 1 | 1 | 891 | 1548 |
| 897 | Money | 1 | 1 | 661 | 1108 |
| 921 | Ethics | 1 | 0 | 1517 | 2374 |
| 921 | Actuarial Science | 1 | 0 | 441 | 703 |
| 921 | Marine Geology | 1 | 0 | 900 | 1316 |
| 921 | Aerial Photography | 1 | 0 | 48 | 137 |
| 921 | Intellectual Property | 1 | 0 | 407 | 703 |
| 921 | Functional equations | 1 | 0 | 455 | 801 |
| 921 | Open source software | 1 | 0 | 159 | 337 |
| 921 | Translation | 1 | 0 | 297 | 424 |
| 921 | diffusion | 1 | 0 | 616 | 876 |
| 921 | Organometallic chemistry | 1 | 0 | 2764 | 3569 |
| 921 | Marine Geophysics | 1 | 0 | 491 | 810 |
| 921 | Feminism | 1 | 0 | 1013 | 1550 |
| 921 | Marine mineral resources | 1 | 0 | 318 | 563 |
| 921 | patents | 1 | 0 | 180 | 476 |
| 921 | insurance | 1 | 0 | 649 | 991 |
| 921 | lighting | 2 | 0 | 60 | 204 |
| 921 | Seabed | 1 | 0 | 318 | 563 |
| 921 | Development | 1 | 0 | 1232 | 1911 |
| 921 | Economic Assistance | 1 | 0 | 1120 | 1774 |
| 921 | women | 1 | 0 | 1473 | 2208 |