| 1 | Chemistry | 504 | 18.0K | 730 | 808 |
| 2 | Physics | 660 | 13.8K | 567 | 1009 |
| 3 | Biochemistry | 469 | 10.4K | 724 | 909 |
| 4 | Nuclear Physics | 189 | 9.4K | 701 | 528 |
| 5 | Materials | 297 | 7.4K | 564 | 730 |
| 6 | Biology | 182 | 6.9K | 990 | 1289 |
| 7 | Nuclear Engineering | 3 | 6.1K | 1352 | 40 |
| 8 | Science | 176 | 5.9K | 1101 | 1448 |
| 9 | Molecular Biology | 161 | 4.6K | 1040 | 1240 |
| 10 | Nanotechnology | 92 | 4.6K | 911 | 808 |
| 11 | Solid State Physics | 196 | 4.5K | 504 | 563 |
| 12 | Medicine | 139 | 4.4K | 1350 | 1344 |
| 13 | Solar Energy | 82 | 4.3K | 81 | 69 |
| 14 | Robotics | 189 | 4.3K | 37 | 84 |
| 15 | Biotechnology | 153 | 3.8K | 637 | 968 |
| 16 | Technology | 306 | 3.8K | 122 | 354 |
| 17 | Japan | 286 | 3.6K | 49 | 51 |
| 18 | solar cells | 56 | 3.5K | 47 | 30 |
| 19 | Research | 136 | 3.4K | 1164 | 1257 |
| 20 | Condensed Matter | 119 | 3.3K | 619 | 628 |
| 21 | Bioengineering | 123 | 3.2K | 446 | 737 |
| 22 | Biophysics | 146 | 3.2K | 774 | 934 |
| 23 | solar power | 46 | 3.2K | 44 | 24 |
| 24 | Microbiology | 128 | 3.0K | 869 | 1187 |
| 25 | actuators | 77 | 2.8K | 220 | 237 |
| 25 | transducers | 77 | 2.8K | 220 | 237 |
| 27 | Photochemistry | 107 | 2.5K | 37 | 105 |
| 28 | Physiology | 87 | 2.5K | 664 | 744 |
| 29 | Biomedical Engineering | 104 | 2.4K | 705 | 863 |
| 30 | Nanostructured Materials | 52 | 2.3K | 753 | 646 |
| 31 | Spectrum analysis | 77 | 2.3K | 867 | 896 |
| 32 | Electrochemistry | 188 | 2.2K | 446 | 715 |
| 33 | Astrophysics | 62 | 2.2K | 845 | 890 |
| 34 | Polymers | 96 | 2.1K | 835 | 895 |
| 35 | Materials Science | 118 | 1.9K | 655 | 1055 |
| 36 | Economics | 113 | 1.9K | 615 | 717 |
| 37 | Organic Chemistry | 120 | 1.9K | 348 | 621 |
| 38 | Geophysics | 37 | 1.9K | 983 | 737 |
| 39 | Catalysis | 54 | 1.9K | 999 | 1038 |
| 40 | Sports Medicine | 122 | 1.9K | 224 | 410 |
| 41 | plant molecular biology | 33 | 1.9K | 353 | 431 |
| 42 | polymerization | 80 | 1.9K | 759 | 804 |
| 43 | Pharmacology | 123 | 1.8K | 752 | 1125 |
| 44 | Environment | 74 | 1.8K | 863 | 1467 |
| 45 | Photobiology | 85 | 1.6K | 19 | 88 |
| 46 | Electronics | 277 | 1.6K | 165 | 621 |
| 47 | Ecology | 36 | 1.6K | 1827 | 1809 |
| 48 | Plants | 15 | 1.5K | 856 | 521 |
| 49 | Statistical physics | 107 | 1.5K | 617 | 834 |
| 50 | nanoscience | 15 | 1.4K | 1293 | 827 |
| 51 | Quantum Gravity | 49 | 1.4K | 690 | 671 |
| 52 | Chemical Engineering | 54 | 1.4K | 1204 | 1425 |
| 53 | Neurology | 59 | 1.4K | 1058 | 1283 |
| 54 | Pharmaceutical Chemistry | 86 | 1.4K | 559 | 877 |
| 55 | Metallurgy | 47 | 1.4K | 461 | 459 |
| 56 | Fracture mechanics | 59 | 1.4K | 193 | 216 |
| 57 | Microelectronics | 34 | 1.3K | 434 | 463 |
| 58 | Plant physiology | 29 | 1.3K | 635 | 642 |
| 59 | Sports | 94 | 1.3K | 223 | 411 |
| 60 | Planets | 23 | 1.3K | 542 | 478 |
| 61 | Dynamics | 18 | 1.2K | 575 | 129 |
| 62 | Optics | 119 | 1.2K | 673 | 917 |
| 63 | Information Technology | 79 | 1.2K | 154 | 465 |
| 64 | Mechatronics | 49 | 1.2K | 86 | 115 |
| 64 | Bioorganic chemistry | 57 | 1.2K | 510 | 712 |
| 66 | Measurement | 15 | 1.2K | 488 | 135 |
| 67 | Recycling | 22 | 1.2K | 94 | 142 |
| 68 | Agricultural Chemistry | 72 | 1.1K | 274 | 504 |
| 69 | Energy Policy | 26 | 1.1K | 829 | 847 |
| 70 | Botany | 29 | 1.1K | 1285 | 1190 |
| 71 | Biocompatible Materials | 31 | 1.1K | 1182 | 1321 |
| 72 | miniaturization | 22 | 1.1K | 577 | 578 |
| 73 | Plant cells | 14 | 1.1K | 486 | 528 |
| 74 | Nonlinear Dynamics | 72 | 1.1K | 368 | 555 |
| 75 | Pharmacy | 77 | 1.1K | 231 | 457 |
| 76 | Image Processing | 28 | 1.0K | 668 | 620 |
| 77 | Psychology | 82 | 1.0K | 826 | 1164 |
| 78 | Cytology | 58 | 1.0K | 877 | 1353 |
| 79 | Light | 24 | 1.0K | 231 | 403 |
| 80 | Physical Chemistry | 60 | 1.0K | 390 | 642 |
| 81 | Artificial Intelligence | 56 | 1.0K | 768 | 1061 |
| 82 | Plant Ecology | 9 | 966 | 959 | 576 |
| 83 | Toxicology | 49 | 949 | 1067 | 1425 |
| 84 | Metals | 31 | 940 | 533 | 568 |
| 85 | Energy Conversion | 25 | 925 | 338 | 555 |
| 86 | Neurophysiology | 27 | 924 | 903 | 948 |
| 87 | Environmental Policy | 27 | 883 | 944 | 1140 |
| 88 | Economic History | 68 | 868 | 496 | 703 |
| 89 | Cell Biology | 24 | 856 | 1285 | 1457 |
| 90 | Public Health | 16 | 853 | 2020 | 1417 |
| 91 | Mathematical Physics | 80 | 849 | 509 | 762 |
| 92 | Computer Vision | 12 | 840 | 499 | 353 |
| 93 | Social Sciences | 26 | 832 | 1042 | 717 |
| 94 | Mathematics | 98 | 828 | 1296 | 1497 |
| 95 | Nutrition | 41 | 822 | 985 | 1323 |
| 96 | Biomechanics | 42 | 821 | 215 | 341 |
| 97 | Mechanical Engineering | 52 | 817 | 454 | 473 |
| 98 | Analytical Chemistry | 52 | 816 | 1140 | 1542 |
| 99 | Energy Storage | 27 | 796 | 277 | 355 |
| 100 | proteins | 46 | 769 | 365 | 561 |
| 101 | Renewable Energy Sources | 25 | 766 | 807 | 1326 |
| 102 | commerce | 23 | 747 | 364 | 435 |
| 103 | Intelligent Transportation Systems | 23 | 719 | 262 | 339 |
| 104 | Optical materials | 33 | 707 | 756 | 1040 |
| 105 | Colloids | 33 | 700 | 1245 | 1540 |
| 105 | energy resources | 14 | 700 | 537 | 652 |
| 107 | micromechanics | 27 | 687 | 99 | 124 |
| 108 | energy conservation | 13 | 684 | 899 | 840 |
| 109 | Automation | 18 | 680 | 919 | 878 |
| 110 | Geriatrics | 16 | 678 | 1086 | 803 |
| 111 | Environmental Health | 34 | 669 | 1528 | 2034 |
| 112 | Pollution | 18 | 659 | 2260 | 2329 |
| 113 | Engineering | 35 | 647 | 1195 | 1196 |
| 114 | rehabilitation | 16 | 637 | 806 | 664 |
| 115 | Surface Chemistry | 28 | 634 | 1387 | 1567 |
| 116 | Neural circuitry | 25 | 631 | 553 | 680 |
| 117 | Clinical Chemistry | 31 | 628 | 718 | 967 |
| 118 | Sustainable Development | 22 | 621 | 486 | 682 |
| 119 | Demography | 11 | 614 | 253 | 176 |
| 120 | fuel cells | 21 | 604 | 398 | 564 |
| 121 | Quality of life | 12 | 579 | 577 | 476 |
| 122 | Microbial Ecology | 28 | 559 | 620 | 1073 |
| 123 | Economic Development | 22 | 554 | 443 | 620 |
| 124 | Biometrics | 4 | 552 | 828 | 314 |
| 125 | Psychophysiology | 29 | 542 | 885 | 1177 |
| 126 | Statistics | 13 | 538 | 1263 | 774 |
| 127 | protein | 33 | 535 | 227 | 402 |
| 128 | Sociology | 23 | 522 | 966 | 996 |
| 129 | Computer Science | 66 | 520 | 145 | 436 |
| 129 | Physical organic chemistry | 22 | 520 | 442 | 445 |
| 129 | Bacteriology | 8 | 520 | 1000 | 849 |
| 132 | Telecommunication | 90 | 513 | 317 | 978 |
| 133 | human behavior | 19 | 511 | 860 | 1244 |
| 134 | Signal Processing | 26 | 505 | 875 | 1080 |
| 135 | Behavior | 15 | 494 | 1310 | 1513 |
| 136 | Nervous system | 22 | 493 | 797 | 1020 |
| 137 | Soil Mechanics | 19 | 492 | 388 | 445 |
| 138 | Water pollution | 35 | 477 | 720 | 1326 |
| 139 | Neurochemistry | 23 | 476 | 799 | 1008 |
| 140 | Therapeutics | 10 | 475 | 766 | 673 |
| 141 | Perception | 50 | 464 | 345 | 675 |
| 142 | Signal Transduction | 20 | 463 | 451 | 695 |
| 142 | Asia | 46 | 463 | 383 | 663 |
| 144 | Pharmacognosy | 18 | 459 | 651 | 835 |
| 144 | Building Materials | 11 | 459 | 941 | 987 |
| 146 | Respiration | 14 | 455 | 603 | 610 |
| 147 | Metabolic diseases | 9 | 448 | 1055 | 1013 |
| 148 | Industrial Microbiology | 17 | 447 | 678 | 916 |
| 149 | Energy Harvesting | 6 | 443 | 271 | 309 |
| 149 | enzymes | 18 | 443 | 526 | 624 |
| 151 | Epidemiology | 11 | 439 | 1631 | 1284 |
| 151 | Earth Sciences | 14 | 439 | 1510 | 1319 |
| 151 | Natural history | 4 | 439 | 2489 | 2285 |
| 154 | Plant genetic engineering | 26 | 437 | 180 | 393 |
| 154 | economic policy | 52 | 437 | 377 | 677 |
| 154 | Chemical industry | 51 | 437 | 148 | 304 |
| 157 | Water quality management | 31 | 418 | 362 | 576 |
| 158 | Brain | 28 | 417 | 833 | 1177 |
| 159 | Exercise | 27 | 407 | 345 | 518 |
| 160 | Plant Genetics | 19 | 401 | 184 | 377 |
| 160 | United States | 29 | 401 | 1457 | 1829 |
| 162 | Radiation | 27 | 399 | 587 | 706 |
| 162 | Synchrotron Radiation | 27 | 399 | 44 | 74 |
| 164 | Medical Laboratory Science | 12 | 394 | 899 | 1023 |
| 165 | finance | 34 | 392 | 603 | 937 |
| 166 | radioactive waste | 6 | 388 | 506 | 500 |
| 166 | industrial waste | 6 | 388 | 532 | 502 |
| 166 | Hazardous waste | 6 | 388 | 623 | 522 |
| 169 | Cybernetics | 8 | 385 | 952 | 745 |
| 170 | Green Chemistry | 13 | 378 | 803 | 1047 |
| 171 | Electrical Engineering | 98 | 375 | 436 | 1012 |
| 171 | Genomics | 16 | 375 | 1184 | 1361 |
| 173 | Waste management | 27 | 371 | 274 | 435 |
| 173 | nucleic acids | 8 | 371 | 917 | 911 |
| 175 | Liquid Crystals | 42 | 369 | 142 | 167 |
| 176 | Genes | 21 | 368 | 275 | 401 |
| 177 | System analysis | 8 | 366 | 1486 | 1018 |
| 178 | Biochemical Engineering | 19 | 360 | 1345 | 2060 |
| 178 | Systems Biology | 16 | 360 | 535 | 622 |
| 180 | Medical Anthropology | 4 | 358 | 983 | 665 |
| 181 | Water Purification | 26 | 355 | 218 | 365 |
| 181 | environmental pollution | 14 | 355 | 2072 | 2455 |
| 183 | Computational Biology | 15 | 354 | 971 | 1099 |
| 184 | Pharmaceutical Technology | 17 | 347 | 549 | 736 |
| 184 | Detectors | 14 | 347 | 627 | 581 |
| 186 | Astronomy | 37 | 344 | 900 | 1416 |
| 186 | Cytogenetics | 17 | 344 | 448 | 741 |
| 188 | Microwaves | 8 | 337 | 804 | 496 |
| 189 | Histology | 16 | 331 | 734 | 909 |
| 190 | glycoproteins | 12 | 330 | 150 | 207 |
| 190 | Glycoconjugates | 12 | 330 | 150 | 207 |
| 190 | glycolipids | 12 | 330 | 150 | 207 |
| 193 | Molecular Genetics | 15 | 329 | 745 | 1000 |
| 193 | Gene expression | 15 | 329 | 54 | 105 |
| 193 | Cell division | 15 | 329 | 64 | 156 |
| 196 | Photonics | 10 | 328 | 1044 | 1037 |
| 197 | Drug delivery systems | 16 | 327 | 570 | 889 |
| 198 | Metabolism | 12 | 324 | 1074 | 1295 |
| 199 | Technological Innovations | 3 | 321 | 1065 | 444 |
| 200 | International Finance | 21 | 319 | 543 | 804 |
| 201 | Solar power plants | 10 | 310 | 57 | 82 |
| 201 | Environmental monitoring | 8 | 310 | 2321 | 2269 |
| 201 | Photovoltaic Cells | 10 | 310 | 57 | 82 |
| 204 | Endocrinology | 14 | 309 | 1147 | 1436 |
| 205 | Control Theory | 14 | 308 | 831 | 766 |
| 206 | sustainability | 5 | 302 | 614 | 525 |
| 207 | Sustainable Engineering | 10 | 298 | 844 | 958 |
| 208 | Alternative Medicine | 14 | 296 | 506 | 667 |
| 209 | drugs | 13 | 295 | 856 | 944 |
| 210 | Microfabrication | 5 | 291 | 225 | 111 |
| 211 | Quantum electronics | 18 | 279 | 600 | 678 |
| 212 | Environmental Engineering | 8 | 278 | 2260 | 2047 |
| 213 | Environmental Chemistry | 4 | 277 | 1767 | 1339 |
| 214 | Environmental Management | 9 | 273 | 1678 | 2044 |
| 215 | Medical Physics | 12 | 271 | 713 | 845 |
| 216 | Biomass Energy | 8 | 270 | 1498 | 1654 |
| 217 | Molecular Microbiology | 5 | 269 | 603 | 636 |
| 217 | Tourism | 7 | 269 | 1069 | 1112 |
| 219 | Diet | 8 | 262 | 1053 | 1268 |
| 220 | sanitation | 5 | 256 | 1067 | 1176 |
| 221 | Ceramics | 13 | 254 | 623 | 647 |
| 221 | Cancer | 6 | 254 | 1702 | 1614 |
| 223 | Manufacturing Processes | 17 | 248 | 938 | 1248 |
| 224 | Human Geography | 19 | 244 | 373 | 522 |
| 224 | Proteome | 13 | 244 | 464 | 698 |
| 226 | Water | 12 | 241 | 1182 | 1724 |
| 226 | Nitric oxide | 11 | 241 | 36 | 110 |
| 228 | Developing countries | 13 | 240 | 986 | 1179 |
| 229 | Solid State Chemistry | 11 | 239 | 1453 | 1379 |
| 230 | Cognitive Science | 18 | 238 | 500 | 959 |
| 231 | Glass | 10 | 236 | 521 | 572 |
| 231 | pottery | 10 | 236 | 483 | 564 |
| 233 | Molecular structure | 11 | 234 | 1279 | 1260 |
| 234 | Bioinformatics | 6 | 226 | 1311 | 1147 |
| 234 | pigments | 15 | 226 | 264 | 445 |
| 236 | Magnetic Materials | 16 | 223 | 637 | 912 |
| 237 | management | 19 | 222 | 1402 | 2182 |
| 237 | Meteorites | 18 | 222 | 370 | 688 |
| 239 | Geochemistry | 11 | 219 | 1011 | 1205 |
| 240 | Developmental Biology | 8 | 218 | 1050 | 1276 |
| 241 | Genetics | 16 | 213 | 1372 | 2104 |
| 242 | China | 10 | 212 | 1525 | 1511 |
| 242 | Immunity | 2 | 212 | 1577 | 1262 |
| 244 | Autonomous robots | 5 | 211 | 113 | 112 |
| 245 | Fertilizers | 1 | 210 | 557 | 191 |
| 245 | Aging | 11 | 210 | 1232 | 1357 |
| 247 | city planning | 14 | 209 | 664 | 897 |
| 248 | Electrochemical Analysis | 8 | 208 | 1007 | 967 |
| 249 | Vision | 12 | 207 | 296 | 441 |
| 250 | lasers | 18 | 205 | 854 | 1119 |
| 251 | software | 5 | 204 | 780 | 739 |
| 252 | Nanoparticles | 14 | 203 | 810 | 1221 |
| 252 | Geodynamics | 7 | 203 | 573 | 598 |
| 252 | Cognition | 9 | 203 | 968 | 1041 |
| 255 | Visual Perception | 19 | 199 | 529 | 876 |
| 256 | Carbon | 11 | 198 | 631 | 1123 |
| 257 | Embryology | 6 | 194 | 921 | 980 |
| 257 | Multiphase Flow | 3 | 194 | 387 | 261 |
| 259 | Growth | 5 | 192 | 761 | 902 |
| 260 | Chromatographic analysis | 11 | 190 | 921 | 958 |
| 261 | Industrial Ecology | 7 | 189 | 69 | 152 |
| 262 | locomotion | 11 | 186 | 258 | 413 |
| 262 | posture | 11 | 186 | 258 | 413 |
| 262 | Host-parasite interactions | 1 | 186 | 1516 | 961 |
| 262 | Virulence | 1 | 186 | 1290 | 909 |
| 262 | gait | 11 | 186 | 258 | 413 |
| 262 | walking | 11 | 186 | 258 | 413 |
| 268 | Pharmacokinetics | 7 | 185 | 463 | 574 |
| 268 | Landslides | 2 | 185 | 310 | 213 |
| 270 | Health Policy | 5 | 182 | 1430 | 1133 |
| 270 | Flexible manufacturing systems | 5 | 182 | 246 | 215 |
| 270 | Transportation | 16 | 182 | 627 | 1030 |
| 270 | Neuroplasticity | 6 | 182 | 104 | 142 |
| 274 | Ophthalmology | 10 | 181 | 906 | 1035 |
| 275 | Semiconductors | 14 | 179 | 967 | 1116 |
| 276 | Pharmacogenetics | 3 | 178 | 787 | 599 |
| 276 | Homeostasis | 1 | 178 | 583 | 646 |
| 276 | Cell metabolism | 1 | 178 | 986 | 723 |
| 279 | Human-Computer Interaction | 11 | 177 | 688 | 1009 |
| 279 | Extreme environments | 16 | 177 | 19 | 164 |
| 281 | Solutions | 12 | 176 | 103 | 149 |
| 281 | Oligosaccharides | 7 | 176 | 98 | 129 |
| 283 | Atmospheric Physics | 4 | 175 | 1174 | 1035 |
| 284 | Production Engineering | 10 | 174 | 1046 | 1127 |
| 285 | Hormones | 5 | 173 | 868 | 851 |
| 286 | biomedicine | 3 | 172 | 471 | 348 |
| 286 | Liver diseases | 2 | 172 | 1154 | 949 |
| 288 | Carbohydrates | 7 | 169 | 223 | 311 |
| 289 | Functional Analysis | 11 | 168 | 743 | 781 |
| 289 | International Relations | 5 | 168 | 781 | 489 |
| 289 | Surface-Active Agents | 7 | 168 | 671 | 922 |
| 289 | Surface properties | 7 | 168 | 714 | 994 |
| 293 | Product Design | 8 | 167 | 291 | 245 |
| 294 | Hydrology | 9 | 164 | 1327 | 1525 |
| 294 | Public Policy | 3 | 164 | 1610 | 1161 |
| 294 | Combinatorial chemistry | 6 | 164 | 456 | 609 |
| 297 | Nanostructures | 14 | 162 | 818 | 1470 |
| 297 | Digital humanities | 1 | 162 | 228 | 31 |
| 299 | Planetary Science | 14 | 161 | 173 | 242 |
| 299 | probabilities | 31 | 161 | 387 | 641 |
| 299 | genome | 5 | 161 | 977 | 1179 |
| 302 | Data Mining | 3 | 157 | 1593 | 1147 |
| 302 | Bioenergetics | 9 | 157 | 422 | 667 |
| 304 | Cosmology | 3 | 156 | 629 | 439 |
| 304 | health services accessibility | 2 | 156 | 1050 | 551 |
| 304 | Cell differentiation | 3 | 156 | 1177 | 1203 |
| 307 | Oligosaccharide | 5 | 154 | 188 | 262 |
| 308 | East Asia | 21 | 151 | 92 | 196 |
| 309 | Information Theory | 6 | 150 | 1003 | 908 |
| 309 | Radio | 6 | 150 | 962 | 1025 |
| 311 | Physical fitness | 9 | 149 | 532 | 734 |
| 312 | Anatomy | 3 | 148 | 1730 | 1237 |
| 313 | Smart Materials | 9 | 147 | 473 | 607 |
| 313 | Neurons | 2 | 147 | 585 | 805 |
| 315 | Sound | 37 | 145 | 176 | 585 |
| 316 | Obesity | 2 | 144 | 1784 | 1380 |
| 317 | Molecular Pharmacology | 8 | 142 | 427 | 725 |
| 318 | human development | 7 | 141 | 499 | 664 |
| 319 | Electrophoresis | 8 | 139 | 950 | 1143 |
| 319 | Cognitive neuroscience | 6 | 139 | 652 | 826 |
| 321 | Acoustics | 16 | 138 | 101 | 172 |
| 322 | Drug design | 14 | 137 | 573 | 1157 |
| 322 | global environmental change | 5 | 137 | 551 | 753 |
| 322 | Microorganisms | 4 | 137 | 817 | 948 |
| 325 | Ergonomics | 5 | 135 | 688 | 593 |
| 326 | plant communities | 2 | 134 | 1136 | 978 |
| 327 | Orthopedics | 8 | 133 | 806 | 915 |
| 327 | Chromatography | 8 | 133 | 932 | 1076 |
| 327 | natural products | 10 | 133 | 966 | 1189 |
| 327 | Steroids | 2 | 133 | 997 | 671 |
| 331 | nuclear magnetic resonance spectroscopy | 7 | 132 | 474 | 429 |
| 332 | Immunology | 3 | 131 | 2326 | 2082 |
| 333 | Software Engineering | 2 | 130 | 1177 | 705 |
| 333 | Linguistics | 4 | 130 | 1142 | 791 |
| 335 | Medical genetics | 5 | 128 | 1382 | 1696 |
| 335 | Atomic spectroscopy | 18 | 128 | 396 | 763 |
| 335 | mathematical analysis | 18 | 128 | 1155 | 1407 |
| 335 | Digestive system diseases | 8 | 128 | 504 | 646 |
| 339 | Functional Genomics | 4 | 127 | 188 | 263 |
| 340 | Fluid Dynamics | 7 | 126 | 697 | 809 |
| 341 | Neuropsychology | 13 | 125 | 1030 | 1617 |
| 341 | Chemical Ecology | 2 | 125 | 624 | 506 |
| 341 | biological evolution | 6 | 125 | 1311 | 1741 |
| 344 | Algae | 6 | 123 | 504 | 601 |
| 345 | Structural design | 7 | 121 | 509 | 625 |
| 345 | Plant Biotechnology | 8 | 121 | 367 | 627 |
| 345 | Metallic Glasses | 6 | 121 | 286 | 345 |
| 348 | Psychiatry | 11 | 120 | 1885 | 2656 |
| 349 | Psycholinguistics | 2 | 119 | 1054 | 799 |
| 349 | Intelligence | 2 | 119 | 302 | 238 |
| 351 | Magnetic Resonance Spectroscopy | 6 | 118 | 788 | 721 |
| 351 | catalytic activity | 6 | 118 | 456 | 627 |
| 353 | Climatology | 3 | 117 | 1590 | 1420 |
| 353 | cell physiology | 7 | 117 | 856 | 1284 |
| 355 | Geographic information systems | 3 | 116 | 1132 | 712 |
| 356 | Systems Engineering | 10 | 115 | 1186 | 1634 |
| 357 | marketing | 15 | 114 | 866 | 1637 |
| 357 | drug therapy | 11 | 114 | 913 | 1304 |
| 359 | Multimedia Systems | 9 | 113 | 1028 | 1294 |
| 359 | cell interaction | 2 | 113 | 1097 | 956 |
| 359 | disaster relief | 9 | 113 | 53 | 150 |
| 362 | Mental Health | 5 | 110 | 1116 | 1141 |
| 363 | Quantum Optics | 14 | 109 | 346 | 615 |
| 363 | plasticity | 3 | 109 | 331 | 437 |
| 363 | Plastics | 3 | 109 | 1606 | 1229 |
| 363 | Laser Spectroscopy | 14 | 109 | 303 | 580 |
| 367 | Radiography | 4 | 108 | 571 | 766 |
| 367 | Quantum theory | 12 | 108 | 463 | 734 |
| 369 | Health Services Research | 7 | 107 | 898 | 1075 |
| 370 | synthesis | 7 | 106 | 696 | 664 |
| 371 | preventive medicine | 1 | 105 | 1550 | 957 |
| 372 | Yeast | 7 | 104 | 220 | 409 |
| 373 | Electronic Packaging | 5 | 103 | 146 | 157 |
| 374 | Pediatric Neurology | 3 | 102 | 710 | 910 |
| 374 | Protozoa | 3 | 102 | 392 | 373 |
| 374 | Zeolites | 2 | 102 | 1118 | 1030 |
| 377 | Industrial Policy | 5 | 101 | 356 | 435 |
| 378 | Molecular Spectroscopy | 8 | 100 | 1144 | 1523 |
| 378 | Luminescence | 5 | 100 | 1107 | 1046 |
| 380 | internet | 6 | 99 | 1072 | 1367 |
| 381 | Internet of Things | 5 | 98 | 838 | 1078 |
| 381 | International Education | 2 | 98 | 334 | 190 |
| 383 | Ultrasonics | 2 | 96 | 1420 | 1309 |
| 383 | Sarcopenia | 3 | 96 | 346 | 487 |
| 383 | Ultrasonic Imaging | 2 | 96 | 614 | 442 |
| 383 | Muscles | 3 | 96 | 697 | 783 |
| 383 | Ultrasound | 2 | 96 | 827 | 642 |
| 388 | Clinical Immunology | 1 | 95 | 1191 | 889 |
| 388 | Developmental Immunology | 1 | 95 | 919 | 631 |
| 388 | color | 8 | 95 | 104 | 163 |
| 391 | Mining Engineering | 7 | 94 | 288 | 442 |
| 391 | Wireless Communication Systems | 4 | 94 | 1986 | 1775 |
| 393 | Geography | 7 | 93 | 1293 | 1650 |
| 393 | pheromones | 1 | 93 | 763 | 557 |
| 395 | Rock Mechanics | 4 | 92 | 749 | 802 |
| 395 | water supply | 3 | 92 | 820 | 863 |
| 395 | sports injuries | 11 | 92 | 176 | 403 |
| 398 | Europe | 5 | 91 | 2118 | 2064 |
| 399 | Long-Term Care | 2 | 89 | 571 | 520 |
| 399 | Child | 3 | 89 | 1913 | 1712 |
| 399 | Long-term care facilities | 2 | 89 | 566 | 518 |
| 402 | Geology | 8 | 88 | 1719 | 2124 |
| 402 | Telecommunications | 2 | 88 | 1027 | 553 |
| 404 | Computer Graphics | 11 | 87 | 856 | 1434 |
| 404 | Metallography | 4 | 87 | 677 | 770 |
| 404 | United Kingdom | 5 | 87 | 1014 | 1259 |
| 407 | Radiology | 6 | 84 | 845 | 899 |
| 407 | Pediatrics | 3 | 84 | 1760 | 1750 |
| 407 | Energy metabolism | 6 | 84 | 391 | 629 |
| 407 | cell membrane | 6 | 84 | 381 | 606 |
| 411 | X-ray spectroscopy | 3 | 83 | 192 | 125 |
| 411 | Molecules | 7 | 83 | 1007 | 1106 |
| 411 | Information Science | 9 | 83 | 1483 | 2406 |
| 414 | Cosmochemistry | 3 | 82 | 832 | 899 |
| 415 | Primary health care | 4 | 81 | 1290 | 1334 |
| 415 | Social Change | 2 | 81 | 1255 | 1375 |
| 415 | Climate | 2 | 81 | 711 | 633 |
| 418 | Educational Sociology | 1 | 80 | 709 | 316 |
| 418 | Combustion | 3 | 80 | 1154 | 1172 |
| 418 | Crystallography | 15 | 80 | 752 | 916 |
| 421 | Computational Chemistry | 5 | 79 | 505 | 695 |
| 421 | Child Development | 3 | 79 | 1598 | 1652 |
| 421 | Microbial Metabolism | 1 | 79 | 418 | 275 |
| 421 | Development | 4 | 79 | 643 | 907 |
| 425 | Allergy | 1 | 77 | 1186 | 1070 |
| 426 | Physical Therapy | 5 | 76 | 899 | 1152 |
| 426 | Geomagnetism | 4 | 76 | 490 | 556 |
| 426 | Biodiversity | 5 | 76 | 1637 | 1925 |
| 429 | Industrial Safety | 4 | 75 | 1009 | 1105 |
| 430 | organization | 3 | 74 | 821 | 968 |
| 430 | optical devices | 4 | 74 | 387 | 427 |
| 432 | nuclear magnetic resonance | 2 | 73 | 1033 | 778 |
| 432 | Astrocytes | 1 | 73 | 635 | 636 |
| 432 | economic conditions | 3 | 73 | 491 | 523 |
| 432 | Economic Assistance | 4 | 73 | 560 | 861 |
| 436 | Oceanography | 3 | 72 | 1463 | 1498 |
| 436 | Biodiversity conservation | 3 | 72 | 1405 | 1698 |
| 438 | Industrial Organization | 2 | 71 | 400 | 341 |
| 439 | Immunotherapy | 2 | 70 | 1667 | 1661 |
| 439 | Regional Planning | 9 | 70 | 825 | 1369 |
| 439 | Environmental Economics | 2 | 70 | 529 | 379 |
| 439 | Psychopharmacology | 3 | 70 | 1181 | 1360 |
| 439 | Immunopharmacology | 2 | 70 | 1196 | 1085 |
| 439 | Ocean Engineering | 2 | 70 | 1747 | 1626 |
| 439 | Neuropharmacology | 3 | 70 | 555 | 601 |
| 439 | cytokines | 2 | 70 | 1279 | 1306 |
| 447 | voice | 5 | 69 | 352 | 432 |
| 448 | Environmental Toxicology | 2 | 68 | 2531 | 2575 |
| 448 | Fiber Optics | 6 | 68 | 644 | 878 |
| 450 | Nonlinear functional analysis | 3 | 67 | 1219 | 1095 |
| 451 | environmental protection | 4 | 66 | 2919 | 3472 |
| 451 | Attention | 10 | 66 | 761 | 1360 |
| 453 | Anthropology | 6 | 64 | 1035 | 1268 |
| 453 | Bioinorganic chemistry | 4 | 64 | 1205 | 1431 |
| 453 | personality | 4 | 64 | 1258 | 1680 |
| 453 | Stem cells | 5 | 64 | 900 | 1330 |
| 453 | drug evaluation | 8 | 64 | 703 | 1330 |
| 458 | Game Theory | 4 | 63 | 482 | 504 |
| 459 | Biosensors | 1 | 62 | 1731 | 1752 |
| 459 | bioclimatology | 1 | 62 | 1563 | 1051 |
| 459 | Ceramic materials | 6 | 62 | 948 | 1368 |
| 459 | Bioelectronics | 1 | 62 | 1556 | 1634 |
| 459 | Microscopy | 2 | 62 | 1595 | 1211 |
| 459 | weather | 1 | 62 | 978 | 692 |
| 459 | antibiotics | 4 | 62 | 150 | 267 |
| 466 | Meteorology | 3 | 61 | 1849 | 2158 |
| 466 | Social Psychology | 8 | 61 | 1313 | 2191 |
| 466 | Learning | 5 | 61 | 921 | 1308 |
| 469 | Sleep Disorders | 4 | 60 | 1102 | 1287 |
| 469 | Eurasia | 1 | 60 | 395 | 207 |
| 469 | Sleep | 4 | 60 | 1113 | 1308 |
| 472 | Microprocessors | 1 | 59 | 1032 | 574 |
| 472 | polar regions | 1 | 59 | 936 | 656 |
| 472 | NMR | 5 | 59 | 392 | 466 |
| 472 | magnetic resonance | 5 | 59 | 407 | 482 |
| 476 | Fluid Mechanics | 10 | 58 | 822 | 1395 |
| 476 | Engineering Geology | 1 | 58 | 1794 | 1466 |
| 478 | Medicinal plants | 1 | 57 | 2038 | 1773 |
| 478 | Biomarkers | 2 | 57 | 521 | 422 |
| 478 | body temperature | 3 | 57 | 538 | 625 |
| 478 | Computer Literacy | 2 | 57 | 295 | 305 |
| 478 | biochemical markers | 2 | 57 | 751 | 664 |
| 483 | Green Technology | 4 | 56 | 282 | 526 |
| 483 | Wireless Communication | 2 | 56 | 595 | 402 |
| 483 | Genetic therapy | 3 | 56 | 834 | 1059 |
| 486 | Biopharmaceutics | 3 | 55 | 984 | 1269 |
| 486 | Criminal psychology | 4 | 55 | 660 | 757 |
| 486 | Heat Exchangers | 1 | 55 | 1782 | 1601 |
| 489 | Computational Intelligence | 13 | 54 | 176 | 724 |
| 490 | Pharmacogenomics | 1 | 53 | 487 | 393 |
| 490 | Climate change | 1 | 53 | 1360 | 1519 |
| 490 | Eutrophication | 1 | 53 | 1226 | 1452 |
| 490 | extraterrestrial environment | 4 | 53 | 468 | 599 |
| 490 | astronomical phenomena | 4 | 53 | 416 | 552 |
| 490 | environmental issues | 1 | 53 | 772 | 630 |
| 496 | Proteomics | 3 | 52 | 955 | 1246 |
| 496 | Number Theory | 12 | 52 | 354 | 539 |
| 496 | Differential Equations | 7 | 52 | 711 | 935 |
| 496 | Land use | 2 | 52 | 1348 | 1452 |
| 496 | Membranes | 8 | 52 | 1045 | 1894 |
| 501 | Evolutionary Genetics | 1 | 51 | 1130 | 847 |
| 501 | Molecular Epidemiology | 1 | 51 | 1130 | 847 |
| 501 | Vietnam | 1 | 51 | 268 | 108 |
| 501 | computer networks | 6 | 51 | 1734 | 2440 |
| 501 | world | 2 | 51 | 835 | 1091 |
| 506 | Structural dynamics | 2 | 50 | 1080 | 1276 |
| 506 | Remote Sensing | 8 | 50 | 854 | 1320 |
| 506 | Virtual reality | 4 | 50 | 317 | 512 |
| 506 | Photogrammetry | 8 | 50 | 421 | 449 |
| 506 | Food additives | 4 | 50 | 879 | 1525 |
| 506 | Reproductive toxicology | 2 | 50 | 523 | 592 |
| 506 | movement | 3 | 50 | 339 | 521 |
| 513 | Clinical Pharmacology | 1 | 49 | 1576 | 1292 |
| 513 | Food | 6 | 49 | 2142 | 3271 |
| 515 | Neurobiology | 6 | 48 | 1037 | 1766 |
| 515 | Thermodynamics | 8 | 48 | 731 | 1123 |
| 515 | Forensic Psychology | 1 | 48 | 630 | 414 |
| 515 | Health | 3 | 48 | 1887 | 2107 |
| 515 | dietary supplements | 4 | 48 | 717 | 1227 |
| 515 | Supramolecular chemistry | 6 | 48 | 119 | 231 |
| 515 | Cardiovascular system | 1 | 48 | 1402 | 1448 |
| 515 | neuronal plasticity | 1 | 48 | 233 | 266 |
| 515 | Crystal growth | 7 | 48 | 663 | 1239 |
| 515 | primary prevention | 6 | 48 | 223 | 542 |
| 525 | Urban Economics | 3 | 47 | 349 | 547 |
| 525 | Urban Policy | 1 | 47 | 1398 | 1140 |
| 525 | Semantics | 1 | 47 | 425 | 239 |
| 525 | urban population | 3 | 47 | 199 | 413 |
| 525 | Cell death | 1 | 47 | 1290 | 1377 |
| 530 | Systems Theory | 1 | 46 | 818 | 330 |
| 530 | Stochastic Processes | 11 | 46 | 395 | 953 |
| 530 | Economic Thought | 1 | 46 | 509 | 508 |
| 530 | international trade | 6 | 46 | 453 | 821 |
| 530 | landscapes | 2 | 46 | 231 | 248 |
| 530 | psychotherapy | 3 | 46 | 1152 | 1300 |
| 530 | hydrocolloids | 1 | 46 | 976 | 1137 |
| 530 | cryosphere | 2 | 46 | 402 | 500 |
| 538 | Neurotransmitters | 7 | 45 | 292 | 526 |
| 539 | Archaeology | 1 | 44 | 1746 | 1194 |
| 539 | Architectural Design | 12 | 44 | 128 | 445 |
| 539 | Music | 4 | 44 | 750 | 814 |
| 539 | Diabetes mellitus | 3 | 44 | 1509 | 1957 |
| 539 | gene therapy | 1 | 44 | 1189 | 1133 |
| 539 | psychophysics | 9 | 44 | 171 | 398 |
| 539 | multimedia | 1 | 44 | 811 | 742 |
| 539 | Sites | 1 | 44 | 840 | 804 |
| 539 | Interactive multimedia | 1 | 44 | 953 | 819 |
| 539 | Diabetes | 3 | 44 | 1554 | 1977 |
| 549 | Information Systems | 5 | 43 | 1055 | 1753 |
| 549 | Political Psychology | 2 | 43 | 439 | 526 |
| 549 | Nutrition physiology | 4 | 43 | 573 | 975 |
| 549 | Mental Disorders | 3 | 43 | 2158 | 2634 |
| 549 | Composite Materials | 9 | 43 | 1548 | 2894 |
| 549 | Teaching | 5 | 43 | 1368 | 1868 |
| 549 | Solar System | 7 | 43 | 462 | 833 |
| 556 | Kinesiology | 3 | 42 | 136 | 239 |
| 556 | Cognitive Psychology | 4 | 42 | 368 | 500 |
| 556 | Nanoelectronics | 3 | 42 | 759 | 787 |
| 556 | Kinetics | 3 | 42 | 488 | 634 |
| 556 | environmental indicators | 1 | 42 | 1696 | 1736 |
| 556 | Enzyme inhibitors | 2 | 42 | 541 | 621 |
| 556 | Semiconductor industry | 3 | 42 | 562 | 634 |
| 556 | Suicide | 5 | 42 | 376 | 689 |
| 564 | Genetic engineering | 3 | 41 | 1773 | 2247 |
| 564 | Computational Linguistics | 7 | 41 | 253 | 515 |
| 564 | Drug targeting | 2 | 41 | 406 | 636 |
| 564 | Molecular cloning | 3 | 41 | 1320 | 1636 |
| 564 | Genetic recombination | 3 | 41 | 1302 | 1622 |
| 564 | Electron Microscopy | 3 | 41 | 401 | 494 |
| 564 | Environmentalism | 1 | 41 | 297 | 309 |
| 564 | hazard mitigation | 2 | 41 | 1174 | 1343 |
| 564 | Recombinant DNA | 3 | 41 | 1367 | 1695 |
| 573 | Visual Communication | 4 | 40 | 345 | 542 |
| 573 | civilization | 2 | 40 | 1256 | 532 |
| 575 | Nuclear Fusion | 2 | 39 | 655 | 601 |
| 575 | behavioral medicine | 2 | 39 | 1433 | 1804 |
| 575 | Behavioral research | 2 | 39 | 797 | 693 |
| 575 | Soft Condensed Matter | 6 | 39 | 707 | 1329 |
| 575 | Roads | 6 | 39 | 457 | 640 |
| 575 | insurance | 2 | 39 | 467 | 468 |
| 575 | biopolymers | 6 | 39 | 782 | 1434 |
| 582 | Emergency Medical Services | 1 | 38 | 1020 | 793 |
| 582 | Environmental Microbiology | 2 | 38 | 1493 | 1950 |
| 582 | Hypertension | 2 | 38 | 1243 | 1554 |
| 582 | Risk Management | 1 | 38 | 1159 | 906 |
| 582 | emergency management | 2 | 38 | 820 | 975 |
| 582 | food technology | 6 | 38 | 1740 | 3012 |
| 582 | Superconductors | 1 | 38 | 1194 | 877 |
| 582 | Superconductivity | 1 | 38 | 695 | 501 |
| 582 | Hydraulic machinery | 7 | 38 | 17 | 47 |
| 582 | Ubiquitous computing | 3 | 38 | 271 | 238 |
| 582 | Reservoirs | 1 | 38 | 343 | 210 |
| 582 | lakes | 1 | 38 | 172 | 95 |
| 582 | Alloys | 2 | 38 | 384 | 229 |
| 582 | Iron | 4 | 38 | 252 | 362 |
| 596 | Education | 9 | 37 | 2089 | 3352 |
| 596 | Political Science | 2 | 37 | 1884 | 1458 |
| 596 | Experimental Psychology | 5 | 37 | 448 | 749 |
| 596 | Engineering Mathematics | 15 | 37 | 763 | 1898 |
| 596 | Conservation Biology | 4 | 37 | 895 | 1403 |
| 596 | Agriculture | 3 | 37 | 1968 | 2362 |
| 602 | Algebra | 10 | 36 | 894 | 1202 |
| 602 | Numerical Analysis | 8 | 36 | 1590 | 2362 |
| 602 | Oncogenes | 1 | 36 | 1135 | 1336 |
| 602 | Optoelectronic devices | 11 | 36 | 406 | 963 |
| 602 | Chemical analysis | 9 | 36 | 590 | 1482 |
| 602 | Africa | 4 | 36 | 1291 | 1459 |
| 602 | atmosphere | 1 | 36 | 1166 | 1138 |
| 609 | Geometry | 12 | 35 | 590 | 1010 |
| 609 | Human genetics | 3 | 35 | 1344 | 2173 |
| 609 | Small Business | 1 | 35 | 1151 | 1315 |
| 609 | peace | 4 | 35 | 400 | 633 |
| 613 | Seismology | 7 | 34 | 260 | 573 |
| 613 | Medical Microbiology | 1 | 34 | 2402 | 2480 |
| 613 | visualization | 7 | 34 | 852 | 1096 |
| 616 | Ecological Genetics | 3 | 33 | 629 | 803 |
| 616 | Econometrics | 7 | 33 | 918 | 1427 |
| 616 | Population Genetics | 3 | 33 | 1058 | 1598 |
| 616 | Computer-Aided Design | 4 | 33 | 1040 | 1568 |
| 616 | Wetland ecology | 1 | 33 | 832 | 675 |
| 616 | Wetland conservation | 1 | 33 | 618 | 526 |
| 616 | Product life cycle | 4 | 33 | 222 | 525 |
| 616 | green products | 4 | 33 | 193 | 502 |
| 616 | Informatics | 3 | 33 | 826 | 1171 |
| 616 | Wetlands | 1 | 33 | 628 | 530 |
| 626 | Fashion merchandising | 2 | 32 | 51 | 109 |
| 626 | mass transfer | 1 | 32 | 2246 | 2124 |
| 626 | Drying | 2 | 32 | 482 | 601 |
| 626 | foreign exchange | 1 | 32 | 600 | 601 |
| 626 | Migration | 2 | 32 | 252 | 217 |
| 626 | wood | 4 | 32 | 384 | 592 |
| 626 | Fashion | 2 | 32 | 191 | 213 |
| 633 | Nanochemistry | 3 | 31 | 1269 | 1771 |
| 633 | Photography | 4 | 31 | 888 | 585 |
| 633 | Earthquake Engineering | 1 | 31 | 1733 | 1702 |
| 633 | Medical Illustration | 3 | 31 | 14 | 12 |
| 633 | medical education | 3 | 31 | 1529 | 1906 |
| 633 | Human Resources | 1 | 31 | 845 | 1025 |
| 633 | energy development | 2 | 31 | 1096 | 1459 |
| 633 | Investments | 3 | 31 | 542 | 768 |
| 641 | Cloud Computing | 1 | 30 | 647 | 661 |
| 641 | Sports Physical Therapy | 2 | 30 | 9 | 3 |
| 641 | Information visualization | 6 | 30 | 86 | 218 |
| 641 | Kalman Filtering | 13 | 30 | 36 | 116 |
| 641 | urban health | 1 | 30 | 430 | 445 |
| 641 | Intelligent Control Systems | 4 | 30 | 1063 | 1303 |
| 641 | Medical innovations | 3 | 30 | 802 | 1527 |
| 641 | Lipids | 5 | 30 | 917 | 1734 |
| 641 | Radio waves | 3 | 30 | 798 | 1114 |
| 641 | biomimicry | 3 | 30 | 174 | 341 |
| 641 | Memory | 2 | 30 | 1574 | 1901 |
| 641 | Evolution | 1 | 30 | 2307 | 2229 |
| 641 | Australia | 5 | 30 | 1320 | 2120 |
| 654 | Neurosurgery | 3 | 29 | 810 | 1138 |
| 654 | Leadership | 1 | 29 | 962 | 1010 |
| 654 | Aerosols | 2 | 29 | 616 | 746 |
| 654 | Child psychology | 1 | 29 | 1883 | 1836 |
| 654 | Food Security | 1 | 29 | 315 | 373 |
| 654 | Organometallic compounds | 1 | 29 | 1818 | 1709 |
| 654 | Food preferences | 4 | 29 | 307 | 701 |
| 654 | Developed countries | 1 | 29 | 455 | 422 |
| 654 | Money | 1 | 29 | 665 | 712 |
| 654 | aerosol | 2 | 29 | 449 | 555 |
| 664 | Wildlife conservation | 1 | 28 | 1466 | 1568 |
| 664 | Cardiovascular diseases | 2 | 28 | 1454 | 1621 |
| 664 | Ventilation | 2 | 28 | 652 | 805 |
| 667 | atmospheric models | 2 | 27 | 655 | 890 |
| 668 | Structural Engineering | 6 | 26 | 1138 | 1918 |
| 668 | Thin Films | 2 | 26 | 675 | 724 |
| 668 | Business | 3 | 26 | 2160 | 2958 |
| 668 | X-ray crystallography | 4 | 26 | 459 | 640 |
| 668 | Communication | 3 | 26 | 2031 | 2554 |
| 668 | Population | 3 | 26 | 831 | 1357 |
| 668 | educational planning | 1 | 26 | 730 | 751 |
| 668 | Fisheries | 4 | 26 | 1245 | 1846 |
| 668 | impact | 2 | 26 | 381 | 590 |
| 668 | vitamins | 1 | 26 | 285 | 354 |
| 678 | Architecture | 8 | 25 | 264 | 584 |
| 678 | Language Disorders | 1 | 25 | 1176 | 1062 |
| 678 | Voice Disorders | 1 | 25 | 128 | 118 |
| 678 | vibration | 2 | 25 | 1330 | 1623 |
| 678 | Speech Disorders | 1 | 25 | 1315 | 1238 |
| 678 | concrete | 6 | 25 | 664 | 1491 |
| 678 | Mountains | 2 | 25 | 532 | 597 |
| 678 | Culture | 4 | 25 | 931 | 1228 |
| 678 | Trace elements | 2 | 25 | 359 | 664 |
| 678 | Protein engineering | 2 | 25 | 258 | 417 |
| 678 | molecular design | 2 | 25 | 285 | 420 |
| 689 | Mobile Computing | 3 | 24 | 1089 | 1491 |
| 689 | Palliative Care | 1 | 24 | 1193 | 1042 |
| 689 | Regional Economics | 3 | 24 | 472 | 749 |
| 689 | Atmospheric Chemistry | 1 | 24 | 1102 | 1300 |
| 689 | Analytical Biochemistry | 3 | 24 | 1613 | 2233 |
| 689 | hospice care | 1 | 24 | 840 | 785 |
| 689 | Thrombosis | 2 | 24 | 956 | 1222 |
| 689 | Simulation Methods | 2 | 24 | 1309 | 1596 |
| 689 | Strategic planning | 4 | 24 | 658 | 1268 |
| 689 | population geography | 3 | 24 | 389 | 681 |
| 699 | Geotechnical Engineering | 1 | 23 | 767 | 704 |
| 699 | Environmental Education | 1 | 23 | 675 | 662 |
| 699 | Powder Metallurgy | 8 | 23 | 70 | 232 |
| 699 | sadness | 4 | 23 | 169 | 470 |
| 699 | Transport | 1 | 23 | 928 | 1027 |
| 699 | Pacific Islands | 1 | 23 | 592 | 466 |
| 699 | Sea | 1 | 23 | 829 | 893 |
| 699 | Fishery resources | 1 | 23 | 910 | 967 |
| 699 | mammals | 2 | 23 | 1120 | 1294 |
| 699 | death | 4 | 23 | 250 | 556 |
| 699 | Fuzzy systems | 4 | 23 | 1530 | 2162 |
| 699 | cloning | 1 | 23 | 784 | 977 |
| 699 | antisocial personality disorder | 4 | 23 | 169 | 470 |
| 712 | Microeconomics | 1 | 22 | 568 | 471 |
| 712 | air quality management | 1 | 22 | 951 | 1092 |
| 712 | Microbial Biotechnology | 1 | 22 | 1664 | 1829 |
| 712 | Parallel Processing | 2 | 22 | 538 | 809 |
| 712 | Substance Abuse | 1 | 22 | 1802 | 1746 |
| 712 | Ferroelectricity | 7 | 22 | 666 | 1148 |
| 712 | indoor air pollution | 1 | 22 | 676 | 756 |
| 712 | Sick building syndrome | 1 | 22 | 676 | 756 |
| 712 | biological agents | 6 | 22 | 445 | 632 |
| 712 | RNA | 1 | 22 | 749 | 883 |
| 712 | Emotions | 2 | 22 | 688 | 1011 |
| 723 | Oncology | 1 | 21 | 2398 | 2792 |
| 723 | Educational Psychology | 8 | 21 | 853 | 1967 |
| 723 | Social Entrepreneurship | 1 | 21 | 309 | 411 |
| 723 | Freeze-Drying | 1 | 21 | 666 | 708 |
| 723 | Hypothermia | 1 | 21 | 666 | 708 |
| 723 | Freeze Drying | 1 | 21 | 666 | 708 |
| 723 | Communication in politics | 1 | 21 | 521 | 428 |
| 723 | Dementia | 3 | 21 | 1165 | 1229 |
| 723 | Alzheimer's disease | 3 | 21 | 1172 | 1287 |
| 723 | electrocatalysis | 1 | 21 | 253 | 276 |
| 733 | Comparative Education | 3 | 20 | 217 | 418 |
| 733 | Nonverbal Communication | 1 | 20 | 371 | 515 |
| 733 | Electromagnetism | 8 | 20 | 597 | 1391 |
| 733 | Structural biology | 2 | 20 | 79 | 265 |
| 733 | diffusion | 1 | 20 | 615 | 220 |
| 733 | Body language | 1 | 20 | 244 | 369 |
| 733 | Computational Fluid Dynamics | 4 | 20 | 536 | 1072 |
| 733 | Electromagnetic fields | 8 | 20 | 152 | 433 |
| 733 | Mental illness | 2 | 20 | 1712 | 2351 |
| 742 | Humanities | 2 | 19 | 2400 | 2405 |
| 742 | Social Choice Theory | 1 | 19 | 425 | 352 |
| 742 | Paleoclimatology | 3 | 19 | 1014 | 1593 |
| 742 | Community Psychiatry | 1 | 19 | 1326 | 1502 |
| 742 | Welfare Economics | 1 | 19 | 681 | 670 |
| 742 | Crystallization | 3 | 19 | 502 | 638 |
| 742 | greenhouse effect | 1 | 19 | 136 | 211 |
| 742 | Collective behavior | 2 | 19 | 108 | 254 |
| 742 | Crisis Intervention | 1 | 19 | 298 | 366 |
| 742 | Heart Failure | 1 | 19 | 494 | 627 |
| 742 | Adaptive control systems | 2 | 19 | 766 | 974 |
| 742 | vascular diseases | 1 | 19 | 877 | 1068 |
| 742 | Carbon dioxide | 1 | 19 | 136 | 211 |
| 742 | Psychiatric Epidemiology | 1 | 19 | 748 | 983 |
| 756 | Paleontology | 2 | 18 | 1362 | 1625 |
| 756 | Power Electronics | 2 | 18 | 1141 | 1487 |
| 756 | taxation | 2 | 18 | 332 | 517 |
| 756 | Well-being | 1 | 18 | 328 | 360 |
| 756 | Erosion | 1 | 18 | 241 | 357 |
| 756 | Mechanics | 5 | 18 | 1037 | 1763 |
| 756 | Building | 7 | 18 | 333 | 812 |
| 756 | Southeast Asia | 6 | 18 | 194 | 603 |
| 756 | freshwater biology | 3 | 18 | 897 | 1493 |
| 765 | Geomorphology | 2 | 17 | 1490 | 2102 |
| 765 | infrared radiation | 3 | 17 | 612 | 993 |
| 765 | Multilingualism | 1 | 17 | 548 | 642 |
| 765 | Molecular evolution | 1 | 17 | 2050 | 2424 |
| 765 | motor learning | 1 | 17 | 44 | 30 |
| 765 | movement disorders | 1 | 17 | 44 | 30 |
| 765 | population policy | 1 | 17 | 282 | 323 |
| 765 | cultural pluralism | 1 | 17 | 754 | 770 |
| 765 | population trends | 1 | 17 | 143 | 228 |
| 765 | Approximation Theory | 1 | 17 | 720 | 634 |
| 765 | traffic safety | 1 | 17 | 529 | 613 |
| 765 | Demographic analysis | 1 | 17 | 42 | 71 |
| 765 | Population Dynamics | 1 | 17 | 357 | 430 |
| 778 | Language Acquisition | 1 | 16 | 608 | 591 |
| 778 | Mineralogy | 2 | 16 | 1403 | 1766 |
| 778 | symbiosis | 1 | 16 | 327 | 422 |
| 778 | Integrated Circuits | 2 | 16 | 980 | 980 |
| 778 | Bilingualism | 1 | 16 | 307 | 371 |
| 778 | disarmament | 2 | 16 | 186 | 305 |
| 778 | Government policy | 1 | 16 | 315 | 368 |
| 778 | Mitochondrial DNA | 2 | 16 | 270 | 316 |
| 778 | technical education | 1 | 16 | 1154 | 1192 |
| 787 | Telecommunication Systems | 4 | 15 | 1440 | 2239 |
| 787 | Ichthyology | 3 | 15 | 461 | 716 |
| 787 | Rheology | 5 | 15 | 414 | 1011 |
| 787 | Raman spectroscopy | 2 | 15 | 971 | 1477 |
| 787 | Parenteral nutrition | 2 | 15 | 957 | 1468 |
| 787 | Earthquakes | 2 | 15 | 428 | 627 |
| 787 | Capital market | 4 | 15 | 345 | 984 |
| 787 | Diplomatic relations | 3 | 15 | 634 | 719 |
| 787 | amino acids | 1 | 15 | 967 | 1203 |
| 787 | health planning | 4 | 15 | 1898 | 3124 |
| 797 | Land Use Planning | 1 | 14 | 634 | 810 |
| 797 | Public Administration | 2 | 14 | 1564 | 1900 |
| 797 | Animal Behavior | 1 | 14 | 2299 | 2715 |
| 797 | Global warming | 1 | 14 | 341 | 343 |
| 797 | Adolescent | 1 | 14 | 2702 | 2819 |
| 797 | peptides | 2 | 14 | 970 | 1442 |
| 797 | econometric models | 1 | 14 | 1104 | 1278 |
| 797 | sexual behavior | 1 | 14 | 1070 | 1242 |
| 805 | Paleoecology | 3 | 13 | 987 | 1624 |
| 805 | Institutional Economics | 9 | 13 | 10 | 102 |
| 805 | Social Stratification | 1 | 13 | 175 | 200 |
| 805 | Psychometrics | 1 | 13 | 650 | 758 |
| 805 | Evolutionary economics | 9 | 13 | 46 | 396 |
| 805 | Sikhism | 1 | 13 | 54 | 27 |
| 805 | moral development | 1 | 13 | 252 | 400 |
| 805 | Social mobility | 1 | 13 | 175 | 200 |
| 805 | Genetic testing | 1 | 13 | 585 | 659 |
| 805 | Moral Education | 1 | 13 | 285 | 362 |
| 805 | Gene expression regulation | 4 | 13 | 739 | 1567 |
| 805 | arms control | 1 | 13 | 164 | 153 |
| 805 | Genetic regulation | 4 | 13 | 828 | 1668 |
| 805 | older people | 3 | 13 | 1445 | 1961 |
| 805 | social conflict | 1 | 13 | 366 | 424 |
| 805 | social status | 1 | 13 | 175 | 200 |
| 805 | Occupational mobility | 1 | 13 | 175 | 200 |
| 822 | Organizational change | 3 | 12 | 755 | 1499 |
| 822 | Crowdsourcing | 1 | 12 | 35 | 46 |
| 822 | Fermentation | 4 | 12 | 177 | 520 |
| 822 | Virology | 2 | 12 | 2388 | 3404 |
| 822 | digital preservation | 2 | 12 | 92 | 247 |
| 822 | Learning disabilities | 2 | 12 | 906 | 1341 |
| 822 | Mass Media | 1 | 12 | 1359 | 1087 |
| 822 | Plant tissue culture | 1 | 12 | 1096 | 1375 |
| 822 | Research methodology | 1 | 12 | 205 | 332 |
| 822 | Gerontology | 3 | 12 | 1693 | 2487 |
| 822 | men | 1 | 12 | 596 | 750 |
| 822 | counseling | 3 | 12 | 1232 | 1962 |
| 822 | Intellectual disability | 2 | 12 | 869 | 1310 |
| 822 | Plant cell culture | 1 | 12 | 1020 | 1360 |
| 822 | masculinity | 1 | 12 | 207 | 324 |
| 822 | Navigation | 1 | 12 | 533 | 488 |
| 822 | Cerebral cortex | 3 | 12 | 795 | 1421 |
| 839 | Natural resources | 1 | 11 | 1156 | 1439 |
| 839 | feeding behavior | 3 | 11 | 685 | 1474 |
| 839 | Imaging systems | 4 | 11 | 702 | 1390 |
| 839 | health services | 1 | 11 | 1534 | 1845 |
| 839 | Appetite | 3 | 11 | 609 | 1354 |
| 844 | Probability | 3 | 10 | 567 | 1110 |
| 844 | Ethnic relations | 2 | 10 | 759 | 1038 |
| 844 | soil management | 1 | 10 | 888 | 1212 |
| 844 | mutation | 1 | 10 | 831 | 1116 |
| 844 | Thermochemistry | 1 | 10 | 773 | 958 |
| 844 | Globalization | 4 | 10 | 464 | 1284 |
| 844 | Phylogenetics | 2 | 10 | 128 | 304 |
| 844 | Health insurance | 1 | 10 | 687 | 879 |
| 844 | Chromosomes | 1 | 10 | 1221 | 1567 |
| 844 | thinking | 1 | 10 | 652 | 868 |
| 844 | Nonprofit organizations | 3 | 10 | 349 | 883 |
| 844 | Creativity | 1 | 10 | 683 | 950 |
| 844 | tillage | 1 | 10 | 711 | 1049 |
| 844 | eugenics | 1 | 10 | 880 | 1127 |
| 858 | Nanomedicine | 1 | 9 | 494 | 869 |
| 858 | Quality Management | 1 | 9 | 376 | 484 |
| 858 | Digital electronics | 1 | 9 | 604 | 609 |
| 858 | Quality Control | 1 | 9 | 2516 | 3067 |
| 858 | Ethnic Conflict | 1 | 9 | 464 | 658 |
| 858 | Diagnostic Imaging | 2 | 9 | 1863 | 2550 |
| 858 | Paleogeography | 2 | 9 | 1037 | 1566 |
| 858 | Transnational corporations | 1 | 9 | 812 | 1152 |
| 858 | Image enhancement | 1 | 9 | 679 | 900 |
| 858 | Securities | 1 | 9 | 694 | 932 |
| 858 | analysis | 1 | 9 | 541 | 685 |
| 858 | forced migration | 1 | 9 | 464 | 658 |
| 858 | research and development | 1 | 9 | 597 | 840 |
| 858 | sports administration | 1 | 9 | 605 | 833 |
| 858 | race relations | 1 | 9 | 957 | 1070 |
| 858 | Muscle contraction | 3 | 9 | 333 | 639 |
| 874 | Development Economics | 3 | 8 | 419 | 1010 |
| 874 | Coastal zone management | 1 | 8 | 1079 | 1509 |
| 874 | Bioavailability | 1 | 8 | 195 | 364 |
| 874 | monoclonal antibodies | 1 | 8 | 468 | 595 |
| 874 | Feminism | 2 | 8 | 726 | 1132 |
| 874 | cooperation | 2 | 8 | 187 | 374 |
| 874 | big data | 1 | 8 | 1242 | 1526 |
| 874 | Chromosome mapping | 2 | 8 | 1774 | 2845 |
| 874 | Developmental Disabilities | 3 | 8 | 921 | 1793 |
| 874 | Marine resources | 1 | 8 | 1111 | 1546 |
| 874 | Enzyme | 2 | 8 | 666 | 1327 |
| 874 | pharmaceutical industry | 1 | 8 | 981 | 1309 |
| 874 | Nonlinear systems | 1 | 8 | 1006 | 1226 |
| 874 | gene mapping | 2 | 8 | 1890 | 3026 |
| 874 | motor skills | 2 | 8 | 266 | 572 |
| 889 | Nuclear Energy | 1 | 7 | 1476 | 1637 |
| 889 | Marine Ecology | 1 | 7 | 1107 | 1424 |
| 889 | Social Movements | 1 | 7 | 301 | 408 |
| 889 | Developmental Psychology | 2 | 7 | 1174 | 1893 |
| 889 | Financial Engineering | 1 | 7 | 365 | 670 |
| 889 | Food Preservation | 2 | 7 | 1012 | 1656 |
| 889 | Sustainable agriculture | 1 | 7 | 1256 | 1728 |
| 889 | Communication Policy | 2 | 7 | 114 | 358 |
| 889 | Telecommunication Policy | 2 | 7 | 114 | 358 |
| 889 | Venture Capital | 1 | 7 | 493 | 760 |
| 889 | Parasitology | 1 | 7 | 2738 | 3213 |
| 889 | Group decision making | 1 | 7 | 823 | 1065 |
| 889 | Serbia | 1 | 7 | 301 | 283 |
| 889 | calcification | 1 | 7 | 708 | 995 |
| 889 | Bone diseases | 1 | 7 | 717 | 982 |
| 889 | Breeding | 1 | 7 | 1597 | 2060 |
| 889 | adulthood | 2 | 7 | 144 | 431 |
| 906 | Embedded Systems | 2 | 6 | 264 | 485 |
| 906 | Tribology | 1 | 6 | 1593 | 1964 |
| 906 | Macroeconomics | 1 | 6 | 655 | 785 |
| 906 | Machine Learning | 2 | 6 | 413 | 742 |
| 906 | Mobile genetic elements | 1 | 6 | 209 | 378 |
| 906 | Feminist criticism | 1 | 6 | 264 | 386 |
| 906 | Nutritional support | 1 | 6 | 279 | 439 |
| 906 | Diffusion of innovations | 1 | 6 | 256 | 486 |
| 906 | Knowledge management | 1 | 6 | 1037 | 1445 |
| 906 | Disability Law | 1 | 6 | 306 | 463 |
| 906 | Second Language Acquisition | 1 | 6 | 374 | 640 |
| 906 | Respiratory Infections | 1 | 6 | 469 | 688 |
| 906 | Entrepreneurship | 1 | 6 | 1632 | 2249 |
| 906 | Organic farming | 1 | 6 | 103 | 213 |
| 906 | Plant hormones | 1 | 6 | 581 | 986 |
| 906 | Language teaching | 1 | 6 | 146 | 312 |
| 906 | second language | 1 | 6 | 146 | 312 |
| 906 | machinery | 1 | 6 | 1312 | 1617 |
| 906 | optical pattern recognition | 2 | 6 | 183 | 382 |
| 906 | innovation | 2 | 6 | 744 | 1491 |
| 906 | migration policy | 2 | 6 | 269 | 597 |
| 906 | DNA | 2 | 6 | 724 | 1303 |
| 906 | Brain damage | 1 | 6 | 631 | 941 |
| 906 | India | 3 | 6 | 1519 | 2714 |
| 906 | Southern states | 1 | 6 | 537 | 675 |
| 931 | Pathology | 1 | 5 | 2139 | 2788 |
| 931 | Clinical Laboratory Science | 1 | 5 | 412 | 610 |
| 931 | Freshwater Ecology | 1 | 5 | 543 | 813 |
| 931 | Evolutionary Psychology | 1 | 5 | 328 | 504 |
| 931 | Information Retrieval | 1 | 5 | 815 | 1161 |
| 931 | Educational Technology | 1 | 5 | 2597 | 3442 |
| 931 | Urban Geography | 1 | 5 | 413 | 638 |
| 931 | Chemical Oceanography | 1 | 5 | 428 | 650 |
| 931 | Nanophotonics | 1 | 5 | 554 | 839 |
| 931 | Hemostasis | 1 | 5 | 918 | 1201 |
| 931 | technology transfer | 2 | 5 | 345 | 840 |
| 931 | Multivariate Analysis | 1 | 5 | 875 | 1129 |
| 931 | Noise control | 11 | 5 | 74 | 208 |
| 931 | Infrared spectroscopy | 1 | 5 | 686 | 1088 |
| 931 | isomerism | 1 | 5 | 629 | 952 |
| 931 | biological factors | 1 | 5 | 2576 | 3266 |
| 931 | Islam | 1 | 5 | 870 | 1037 |
| 931 | Safety management | 1 | 5 | 1161 | 1622 |
| 931 | African Americans | 1 | 5 | 364 | 479 |
| 931 | fusion reactors | 1 | 5 | 612 | 770 |
| 931 | African American | 1 | 5 | 287 | 419 |
| 931 | Chirality | 1 | 5 | 629 | 952 |
| 931 | police | 2 | 5 | 469 | 772 |
| 931 | Egypt | 1 | 5 | 1134 | 1715 |
| 955 | Philosophy | 2 | 4 | 1709 | 1833 |
| 955 | Marine Biology | 2 | 4 | 2492 | 3795 |
| 955 | Criminology | 1 | 4 | 1333 | 1662 |
| 955 | Cartography | 13 | 4 | 106 | 1018 |
| 955 | Forecasting | 2 | 4 | 706 | 1285 |
| 955 | Marine Pollution | 1 | 4 | 1746 | 2479 |
| 955 | sleep-wake cycle | 1 | 4 | 270 | 449 |
| 955 | industrial relations | 1 | 4 | 1319 | 1774 |
| 955 | Urban Areas | 1 | 4 | 467 | 733 |
| 955 | Paleobotany | 1 | 4 | 318 | 518 |
| 955 | Petroleum | 1 | 4 | 455 | 673 |
| 955 | Vegetation dynamics | 1 | 4 | 299 | 494 |
| 955 | Jurisprudence | 2 | 4 | 1034 | 1669 |
| 955 | eye movements | 1 | 4 | 40 | 86 |
| 955 | data protection | 2 | 4 | 791 | 1482 |
| 970 | Audiology | 1 | 3 | 1001 | 1328 |
| 970 | Volcanology | 1 | 3 | 52 | 120 |
| 970 | Biochemical Genetics | 1 | 3 | 859 | 1179 |
| 970 | Topology | 1 | 3 | 518 | 628 |
| 970 | Human Rights | 1 | 3 | 987 | 1392 |
| 970 | Democracy | 1 | 3 | 605 | 706 |
| 970 | Democratization | 1 | 3 | 299 | 517 |
| 970 | Organometallic chemistry | 3 | 3 | 2123 | 3456 |
| 970 | Cognitive Therapy | 1 | 3 | 986 | 1471 |
| 970 | local government | 1 | 3 | 593 | 961 |
| 970 | Discrimination in Education | 1 | 3 | 3 | 13 |
| 970 | Social policy | 1 | 3 | 1622 | 2228 |
| 970 | Protein folding | 1 | 3 | 158 | 316 |
| 970 | school-to-work transition | 1 | 3 | 144 | 346 |
| 970 | Vocational guidance | 1 | 3 | 1384 | 1939 |
| 970 | territorial expansion | 1 | 3 | 263 | 72 |
| 970 | behavior therapy | 1 | 3 | 1140 | 1594 |
| 970 | fishing industry | 1 | 3 | 239 | 467 |
| 970 | immigration | 1 | 3 | 372 | 623 |
| 970 | Asylum seeker | 1 | 3 | 303 | 562 |
| 970 | women | 1 | 3 | 1479 | 1853 |
| 970 | natural disasters | 2 | 3 | 1519 | 2669 |
| 970 | prions | 1 | 3 | 139 | 289 |
| 970 | Vaccines | 1 | 3 | 2054 | 2794 |
| 994 | Law | 6 | 2 | 893 | 2051 |
| 994 | Medical Imaging | 2 | 2 | 289 | 490 |
| 994 | Music Therapy | 1 | 2 | 422 | 745 |
| 994 | Magnetic Resonance Imaging | 2 | 2 | 471 | 882 |
| 994 | Art Therapy | 1 | 2 | 391 | 707 |
| 994 | Food Policy | 1 | 2 | 540 | 988 |
| 994 | Applied Linguistics | 1 | 2 | 1035 | 1370 |