| 1 | Nuclear Physics | 924 | 50.1K | 245 | 171 |
| 2 | Physics | 777 | 49.1K | 506 | 510 |
| 3 | Astrophysics | 656 | 39.4K | 235 | 278 |
| 4 | Astronomy | 657 | 30.9K | 199 | 252 |
| 5 | Spectrum analysis | 256 | 19.3K | 364 | 306 |
| 6 | Biochemistry | 371 | 16.6K | 842 | 727 |
| 7 | Quantum Gravity | 234 | 16.2K | 281 | 174 |
| 8 | Molecular Biology | 268 | 14.4K | 783 | 690 |
| 9 | Geophysics | 344 | 13.5K | 254 | 255 |
| 10 | Geology | 226 | 10.8K | 245 | 199 |
| 11 | Optics | 395 | 9.3K | 240 | 216 |
| 12 | Science | 218 | 9.1K | 989 | 1,182 |
| 13 | Medicine | 154 | 8.6K | 1,300 | 992 |
| 14 | Chemistry | 196 | 8.1K | 1,407 | 1,308 |
| 15 | Biology | 136 | 7.3K | 1,206 | 1,310 |
| 16 | Condensed Matter | 257 | 6.0K | 387 | 472 |
| 17 | Statistical physics | 196 | 6.0K | 412 | 380 |
| 18 | Biophysics | 176 | 5.9K | 717 | 705 |
| 19 | Ecology | 105 | 5.4K | 990 | 941 |
| 20 | Solid State Physics | 221 | 5.3K | 472 | 516 |
| 21 | Geochemistry | 145 | 5.1K | 206 | 248 |
| 22 | Environment | 43 | 5.0K | 1,223 | 846 |
| 23 | Mathematical Physics | 225 | 4.9K | 181 | 241 |
| 24 | Geodynamics | 95 | 4.7K | 41 | 45 |
| 25 | Transportation | 95 | 4.6K | 172 | 121 |
| 26 | Radio | 89 | 4.5K | 157 | 160 |
| 27 | Mathematics | 321 | 4.4K | 569 | 548 |
| 28 | Research | 134 | 4.4K | 1,195 | 1,112 |
| 29 | Microbiology | 80 | 4.3K | 1,179 | 1,042 |
| 30 | Economics | 260 | 4.0K | 303 | 436 |
| 31 | Nonlinear Dynamics | 79 | 3.9K | 349 | 221 |
| 32 | Hydrology | 92 | 3.9K | 260 | 239 |
| 33 | Radio waves | 59 | 3.6K | 132 | 91 |
| 34 | Biodiversity conservation | 40 | 3.5K | 342 | 354 |
| 35 | Planets | 80 | 3.5K | 262 | 269 |
| 36 | Pollution | 33 | 3.5K | 1,729 | 1,062 |
| 37 | Earth Sciences | 87 | 3.3K | 454 | 419 |
| 38 | Neurology | 49 | 3.3K | 1,168 | 924 |
| 39 | Natural history | 81 | 3.2K | 484 | 1,175 |
| 40 | Botany | 88 | 3.1K | 717 | 758 |
| 41 | Signal Processing | 58 | 2.8K | 505 | 406 |
| 42 | Composite Materials | 34 | 2.6K | 774 | 516 |
| 43 | Materials | 101 | 2.6K | 1,193 | 1,319 |
| 44 | Technology | 66 | 2.4K | 670 | 532 |
| 45 | Water | 66 | 2.4K | 393 | 528 |
| 46 | Plants | 64 | 2.4K | 290 | 394 |
| 47 | Climate change | 7 | 2.4K | 588 | 402 |
| 48 | Eutrophication | 5 | 2.4K | 698 | 398 |
| 49 | Economic History | 65 | 2.3K | 529 | 330 |
| 50 | water supply | 60 | 2.3K | 110 | 151 |
| 51 | Earthquake Engineering | 61 | 2.2K | 227 | 204 |
| 52 | Plant Ecology | 68 | 2.2K | 228 | 338 |
| 53 | Biomedical Engineering | 69 | 2.2K | 945 | 961 |
| 54 | Operations Research | 50 | 2.1K | 453 | 339 |
| 55 | Physical Chemistry | 38 | 2.1K | 570 | 433 |
| 56 | Nanotechnology | 82 | 2.0K | 1,001 | 1,275 |
| 57 | Energy Policy | 31 | 2.0K | 730 | 574 |
| 58 | Cytology | 29 | 1.9K | 1,256 | 1,086 |
| 59 | Catalysis | 39 | 1.9K | 1,229 | 1,078 |
| 60 | Polymers | 53 | 1.8K | 1,213 | 993 |
| 61 | Regional Planning | 29 | 1.8K | 399 | 200 |
| 62 | Cell Biology | 44 | 1.8K | 969 | 1,108 |
| 63 | Medical Microbiology | 17 | 1.8K | 820 | 512 |
| 64 | Pharmaceutical Chemistry | 29 | 1.7K | 1,166 | 786 |
| 65 | Volcanoes | 42 | 1.7K | 24 | 24 |
| 66 | Neurophysiology | 21 | 1.6K | 1,037 | 746 |
| 67 | Building Materials | 25 | 1.6K | 573 | 460 |
| 67 | Renewable Energy Sources | 15 | 1.6K | 1,196 | 860 |
| 69 | Solar Energy | 22 | 1.6K | 472 | 262 |
| 70 | Statistics | 45 | 1.6K | 667 | 452 |
| 71 | Engineering | 49 | 1.6K | 935 | 651 |
| 72 | Hydraulic Engineering | 47 | 1.5K | 132 | 131 |
| 73 | cell physiology | 22 | 1.5K | 461 | 388 |
| 74 | management | 28 | 1.5K | 1,127 | 945 |
| 75 | Photonics | 45 | 1.5K | 433 | 497 |
| 76 | economic policy | 62 | 1.5K | 327 | 272 |
| 77 | Economic Development | 10 | 1.5K | 782 | 322 |
| 78 | polymerization | 33 | 1.4K | 1,301 | 948 |
| 79 | Image Processing | 42 | 1.4K | 487 | 503 |
| 80 | Psychology | 43 | 1.4K | 1,202 | 1,025 |
| 81 | Mineralogy | 41 | 1.4K | 316 | 324 |
| 82 | Environmental Policy | 23 | 1.4K | 1,058 | 893 |
| 83 | Land Use Planning | 14 | 1.4K | 92 | 38 |
| 83 | Biological Systems | 41 | 1.4K | 25 | 31 |
| 85 | energy resources | 19 | 1.4K | 411 | 401 |
| 86 | Petrology | 37 | 1.4K | 261 | 288 |
| 87 | Materials Science | 56 | 1.3K | 1,101 | 1,299 |
| 88 | Pharmacology | 22 | 1.3K | 1,828 | 1,343 |
| 89 | Wireless Communication Systems | 58 | 1.3K | 411 | 478 |
| 90 | plant communities | 35 | 1.3K | 212 | 317 |
| 90 | Europe | 70 | 1.3K | 486 | 548 |
| 92 | Biotechnology | 30 | 1.3K | 1,848 | 1,745 |
| 93 | Cell death | 18 | 1.3K | 418 | 369 |
| 94 | Geomagnetism | 40 | 1.3K | 109 | 101 |
| 95 | Environmental Management | 26 | 1.3K | 907 | 898 |
| 96 | world | 9 | 1.2K | 336 | 161 |
| 97 | Social Sciences | 51 | 1.2K | 625 | 577 |
| 97 | biological evolution | 47 | 1.2K | 430 | 671 |
| 99 | computer networks | 53 | 1.2K | 418 | 522 |
| 100 | Physiology | 32 | 1.2K | 1,199 | 1,148 |
| 100 | Cancer | 24 | 1.2K | 998 | 948 |
| 102 | Colloids | 42 | 1.2K | 1,104 | 1,255 |
| 103 | Geomorphology | 29 | 1.2K | 357 | 361 |
| 104 | Database Management | 47 | 1.1K | 102 | 160 |
| 105 | Environmental Health | 36 | 1.1K | 1,531 | 1,628 |
| 106 | Evolution | 60 | 1.1K | 318 | 597 |
| 107 | Surface Chemistry | 42 | 1.1K | 1,139 | 1,244 |
| 108 | Ocean Engineering | 39 | 1.1K | 402 | 419 |
| 109 | United States | 41 | 1.1K | 1,246 | 1,186 |
| 110 | Virulence | 7 | 1.1K | 620 | 420 |
| 111 | Mechanics | 33 | 1.1K | 244 | 165 |
| 112 | Ultrasonics | 40 | 1.1K | 164 | 237 |
| 112 | Ultrasound | 40 | 1.1K | 100 | 105 |
| 114 | Systems Biology | 4 | 1.1K | 1,199 | 298 |
| 115 | Marine Biology | 31 | 1.1K | 782 | 740 |
| 116 | Developing countries | 14 | 1.0K | 955 | 475 |
| 117 | Business | 14 | 1.0K | 993 | 787 |
| 118 | Sound | 46 | 1.0K | 133 | 142 |
| 119 | Disease | 2 | 1.0K | 386 | 310 |
| 120 | Behavior | 13 | 1.0K | 1,418 | 1,074 |
| 121 | Biocompatible Materials | 35 | 1.0K | 1,138 | 1,398 |
| 122 | Sociology | 49 | 1.0K | 583 | 694 |
| 123 | Artificial Intelligence | 36 | 1.0K | 1,071 | 1,102 |
| 124 | Molecular Microbiology | 9 | 998 | 456 | 350 |
| 125 | Neural circuitry | 10 | 992 | 1,124 | 499 |
| 126 | Structural Engineering | 31 | 989 | 442 | 389 |
| 127 | Hydrodynamics | 33 | 981 | 78 | 114 |
| 128 | Natural resources | 33 | 972 | 104 | 169 |
| 129 | Neurochemistry | 12 | 968 | 1,111 | 740 |
| 130 | Linguistics | 29 | 953 | 345 | 252 |
| 131 | Nanostructured Materials | 25 | 950 | 1,183 | 1,115 |
| 132 | Environmental Psychology | 8 | 944 | 148 | 87 |
| 132 | Electromagnetism | 38 | 944 | 164 | 186 |
| 134 | Development | 8 | 940 | 408 | 202 |
| 135 | Telecommunication | 29 | 922 | 792 | 728 |
| 136 | Wildlife conservation | 26 | 920 | 291 | 377 |
| 137 | environmental pollution | 22 | 919 | 1,713 | 1,662 |
| 138 | Structural dynamics | 26 | 916 | 260 | 315 |
| 139 | Economic Assistance | 7 | 901 | 384 | 190 |
| 140 | Ferroelectricity | 31 | 899 | 215 | 119 |
| 140 | Radio frequency | 30 | 899 | 86 | 81 |
| 142 | Quantum theory | 50 | 898 | 123 | 192 |
| 143 | infection | 9 | 877 | 791 | 473 |
| 144 | Algebra | 64 | 854 | 195 | 155 |
| 145 | Infections | 6 | 843 | 678 | 388 |
| 146 | Sustainable Development | 18 | 841 | 626 | 566 |
| 147 | Zoology | 54 | 838 | 492 | 633 |
| 148 | Radiation | 36 | 830 | 460 | 429 |
| 149 | Boundary Value Problems | 24 | 820 | 162 | 129 |
| 149 | Antenna Arrays | 24 | 820 | 128 | 121 |
| 151 | Microwaves | 46 | 812 | 289 | 292 |
| 152 | Neuropsychology | 17 | 797 | 896 | 714 |
| 152 | environmental indicators | 17 | 797 | 323 | 295 |
| 154 | Endocrinology | 18 | 785 | 1,026 | 1,031 |
| 154 | Soft Condensed Matter | 23 | 785 | 337 | 310 |
| 156 | Computational Biology | 22 | 778 | 785 | 781 |
| 157 | Bioinorganic chemistry | 46 | 775 | 243 | 379 |
| 158 | Paleoecology | 28 | 772 | 274 | 336 |
| 159 | probabilities | 61 | 768 | 197 | 233 |
| 160 | Agriculture | 18 | 766 | 722 | 568 |
| 161 | Environmental monitoring | 26 | 757 | 1,297 | 1,561 |
| 162 | Fluid Dynamics | 20 | 753 | 354 | 276 |
| 163 | mathematical analysis | 58 | 742 | 543 | 574 |
| 164 | Biodiversity | 24 | 740 | 640 | 724 |
| 165 | Bioengineering | 26 | 739 | 1,370 | 1,671 |
| 165 | Conservation Biology | 28 | 739 | 231 | 357 |
| 167 | Water pollution | 18 | 735 | 1,110 | 1,090 |
| 168 | Paleoclimatology | 24 | 734 | 327 | 382 |
| 169 | Cognition | 27 | 729 | 541 | 628 |
| 170 | Logistics | 13 | 723 | 165 | 134 |
| 171 | Robotics | 22 | 719 | 556 | 486 |
| 172 | Paleogeography | 24 | 716 | 268 | 324 |
| 173 | Raman spectroscopy | 24 | 710 | 126 | 114 |
| 174 | Insects | 35 | 705 | 262 | 333 |
| 175 | Data Mining | 9 | 704 | 471 | 232 |
| 176 | Natural Sciences | 62 | 696 | 5 | 5 |
| 177 | Databases | 26 | 693 | 84 | 103 |
| 178 | Dynamics | 47 | 683 | 202 | 283 |
| 179 | Fiber Optics | 27 | 678 | 239 | 236 |
| 180 | Virology | 12 | 673 | 1,249 | 1,252 |
| 181 | Heat Exchangers | 16 | 663 | 457 | 436 |
| 182 | Superconductors | 54 | 657 | 142 | 175 |
| 183 | Photography | 102 | 655 | 195 | 120 |
| 184 | Automation | 26 | 647 | 743 | 912 |
| 184 | Semiconductors | 26 | 647 | 618 | 480 |
| 184 | human behavior | 7 | 647 | 1,495 | 1,134 |
| 187 | Food service management | 4 | 638 | 327 | 159 |
| 188 | Microbial Ecology | 16 | 637 | 902 | 1,066 |
| 189 | Quantum electronics | 35 | 635 | 369 | 400 |
| 190 | Radiography | 2 | 627 | 786 | 347 |
| 191 | Economic planning | 23 | 624 | 49 | 71 |
| 192 | lasers | 39 | 623 | 476 | 562 |
| 193 | Intelligent Transportation Systems | 21 | 614 | 290 | 428 |
| 194 | Nervous system | 11 | 598 | 1,155 | 964 |
| 195 | Food | 11 | 594 | 1,654 | 1,320 |
| 196 | Mineral resources | 11 | 589 | 168 | 135 |
| 197 | Petroleum Geology | 20 | 587 | 127 | 147 |
| 198 | free radicals | 10 | 586 | 676 | 652 |
| 199 | Developmental Psychology | 10 | 584 | 525 | 417 |
| 199 | Medical Physics | 12 | 584 | 730 | 597 |
| 201 | Quality of life | 19 | 583 | 404 | 491 |
| 202 | Organic Chemistry | 6 | 573 | 2,174 | 1,250 |
| 203 | Bioremediation | 15 | 569 | 161 | 171 |
| 204 | Production Engineering | 26 | 565 | 554 | 541 |
| 205 | Electronics | 27 | 564 | 1,162 | 1,147 |
| 206 | Cell differentiation | 12 | 563 | 696 | 777 |
| 207 | Immunology | 9 | 562 | 1,591 | 1,283 |
| 208 | Oceanography | 16 | 561 | 746 | 705 |
| 208 | Electrochemistry | 42 | 561 | 1,229 | 1,480 |
| 210 | Genetics | 24 | 553 | 1,139 | 1,510 |
| 211 | International Finance | 19 | 552 | 583 | 596 |
| 212 | Human-Computer Interaction | 13 | 549 | 606 | 480 |
| 213 | Roads | 15 | 548 | 286 | 186 |
| 214 | Psychiatry | 11 | 542 | 1,951 | 1,553 |
| 214 | Atomic spectroscopy | 16 | 542 | 440 | 321 |
| 216 | Social policy | 25 | 539 | 226 | 227 |
| 217 | Steroids | 10 | 536 | 436 | 289 |
| 218 | Psychophysiology | 9 | 534 | 1,483 | 1,218 |
| 219 | Biodegradation | 14 | 532 | 149 | 163 |
| 220 | Public Policy | 23 | 529 | 480 | 594 |
| 220 | Marine Geology | 18 | 529 | 154 | 162 |
| 222 | United Kingdom | 10 | 528 | 721 | 599 |
| 223 | Social Psychology | 20 | 525 | 782 | 917 |
| 223 | Bioorganic chemistry | 7 | 525 | 1,821 | 1,186 |
| 223 | Entomology | 34 | 525 | 577 | 651 |
| 226 | Econometrics | 33 | 520 | 327 | 458 |
| 227 | Social Change | 11 | 511 | 425 | 528 |
| 227 | Meteorites | 10 | 511 | 507 | 521 |
| 229 | Brain | 13 | 509 | 1,205 | 1,099 |
| 230 | Political Economy | 43 | 503 | 1 | 6 |
| 231 | Pharmacognosy | 8 | 496 | 1,120 | 835 |
| 231 | Medicinal plants | 8 | 496 | 783 | 590 |
| 233 | energy conservation | 11 | 494 | 1,025 | 1,048 |
| 233 | Reproduction | 3 | 494 | 1,846 | 822 |
| 235 | Anthropology | 14 | 472 | 661 | 465 |
| 236 | Nondestructive testing | 10 | 463 | 292 | 162 |
| 236 | amino acids | 11 | 463 | 178 | 146 |
| 238 | Manufacturing Processes | 25 | 462 | 740 | 955 |
| 238 | Molecular evolution | 16 | 462 | 548 | 696 |
| 240 | Fluid Mechanics | 20 | 461 | 536 | 566 |
| 240 | Development Economics | 2 | 461 | 564 | 107 |
| 242 | planning | 17 | 458 | 169 | 132 |
| 243 | Bioinformatics | 16 | 457 | 819 | 866 |
| 244 | Neurobiology | 7 | 452 | 970 | 856 |
| 245 | Historic Preservation | 13 | 449 | 23 | 12 |
| 246 | Paleontology | 33 | 445 | 330 | 441 |
| 246 | Cosmology | 19 | 445 | 174 | 243 |
| 248 | Animal Behavior | 10 | 443 | 999 | 934 |
| 248 | Women's health | 2 | 443 | 1,519 | 347 |
| 250 | Parasitic Diseases | 9 | 440 | 1,046 | 770 |
| 251 | Toxicology | 17 | 436 | 1,939 | 2,144 |
| 251 | Imaging systems | 15 | 436 | 179 | 89 |
| 253 | Food Policy | 6 | 434 | 181 | 126 |
| 253 | agricultural policy | 6 | 434 | 125 | 105 |
| 253 | finance | 17 | 434 | 989 | 947 |
| 256 | women's rights | 1 | 433 | 304 | 18 |
| 256 | Corporate governance | 11 | 433 | 152 | 162 |
| 258 | organizational effectiveness | 23 | 426 | 46 | 94 |
| 259 | environmental protection | 11 | 425 | 1,926 | 1,747 |
| 259 | Cosmochemistry | 10 | 425 | 450 | 398 |
| 261 | Optical materials | 17 | 424 | 1,150 | 1,402 |
| 262 | Oxidation-reduction | 8 | 423 | 425 | 524 |
| 263 | Educational Psychology | 24 | 422 | 453 | 637 |
| 264 | Thermodynamics | 11 | 418 | 576 | 251 |
| 265 | Political Science | 29 | 413 | 516 | 576 |
| 266 | ecosystem | 7 | 407 | 818 | 703 |
| 267 | Quantum Optics | 14 | 405 | 353 | 271 |
| 267 | Laser Spectroscopy | 13 | 405 | 321 | 236 |
| 269 | Chromosomes | 15 | 403 | 311 | 404 |
| 270 | Information Technology | 5 | 401 | 1,955 | 1,039 |
| 270 | mass transfer | 6 | 401 | 1,250 | 839 |
| 272 | Molecular Genetics | 12 | 397 | 850 | 949 |
| 273 | Marine Pollution | 10 | 390 | 616 | 621 |
| 274 | Bacteriology | 7 | 387 | 1,116 | 1,008 |
| 275 | Continuum Mechanics | 4 | 385 | 128 | 36 |
| 276 | global environmental change | 7 | 382 | 453 | 448 |
| 277 | Plant physiology | 12 | 378 | 1,070 | 1,218 |
| 278 | Systems Engineering | 15 | 376 | 922 | 927 |
| 279 | actuators | 19 | 374 | 836 | 1,173 |
| 279 | transducers | 19 | 374 | 836 | 1,173 |
| 281 | Philosophy | 40 | 372 | 382 | 387 |
| 282 | city planning | 15 | 369 | 646 | 661 |
| 283 | Measurement | 17 | 366 | 445 | 488 |
| 284 | Differential Equations | 23 | 364 | 295 | 363 |
| 284 | Recycling | 3 | 364 | 602 | 438 |
| 286 | sedimentary basins | 10 | 362 | 67 | 82 |
| 287 | Biogeography | 5 | 361 | 739 | 642 |
| 288 | marketing | 8 | 358 | 1,227 | 1,036 |
| 289 | Environmental Geology | 14 | 356 | 679 | 775 |
| 290 | Minerals | 23 | 354 | 105 | 225 |
| 291 | Molecules | 15 | 351 | 688 | 608 |
| 292 | Soil Science | 13 | 350 | 851 | 964 |
| 293 | Microelectronics | 28 | 349 | 523 | 961 |
| 293 | Superconductivity | 15 | 349 | 138 | 125 |
| 293 | nanoscience | 17 | 349 | 1,235 | 1,650 |
| 296 | Psychopharmacology | 7 | 345 | 868 | 777 |
| 296 | Ethology | 3 | 345 | 1,317 | 923 |
| 298 | Nuclear Fusion | 16 | 344 | 211 | 199 |
| 298 | Phylogeny | 11 | 344 | 385 | 505 |
| 300 | emergency management | 11 | 342 | 220 | 260 |
| 300 | carbon monoxide | 2 | 342 | 460 | 143 |
| 302 | Membranes | 6 | 341 | 1,203 | 1,031 |
| 303 | nuclear astrophysics | 14 | 340 | 166 | 237 |
| 303 | Parasitology | 7 | 340 | 1,498 | 1,016 |
| 305 | natural disasters | 13 | 339 | 466 | 581 |
| 306 | Space telescopes | 1 | 336 | 292 | 36 |
| 307 | Hormones | 11 | 335 | 588 | 643 |
| 307 | Communication | 8 | 335 | 1,257 | 968 |
| 309 | Decision making | 13 | 333 | 583 | 649 |
| 310 | proteins | 14 | 332 | 867 | 933 |
| 311 | Engineering Geology | 20 | 331 | 465 | 705 |
| 312 | Agricultural Chemistry | 6 | 327 | 1,586 | 1,209 |
| 312 | Medical Oncology | 7 | 327 | 919 | 827 |
| 314 | Environmental Engineering | 14 | 326 | 1,793 | 2,035 |
| 315 | animals | 19 | 325 | 367 | 415 |
| 315 | Bacteria | 6 | 325 | 188 | 225 |
| 315 | Bacterial infections | 6 | 325 | 477 | 515 |
| 315 | Molecular structure | 13 | 325 | 1,176 | 1,104 |
| 319 | Child Development | 13 | 322 | 850 | 984 |
| 320 | Transportation Engineering | 8 | 321 | 178 | 152 |
| 320 | Environmental pollutants | 15 | 321 | 925 | 1,292 |
| 322 | Public Choice | 11 | 319 | 130 | 129 |
| 322 | Group decision making | 11 | 319 | 175 | 168 |
| 324 | Globalization | 5 | 316 | 396 | 198 |
| 325 | Environmental Microbiology | 5 | 314 | 1,002 | 914 |
| 326 | Numerical Analysis | 20 | 311 | 937 | 943 |
| 327 | Geography | 9 | 310 | 1,150 | 1,015 |
| 327 | Groundwater | 9 | 310 | 275 | 235 |
| 329 | Light | 2 | 309 | 1,025 | 702 |
| 330 | Hydrogeology | 14 | 307 | 214 | 266 |
| 331 | Rural Development | 3 | 306 | 511 | 229 |
| 332 | pollutants | 14 | 304 | 754 | 1,134 |
| 333 | Africa | 13 | 303 | 627 | 430 |
| 334 | biopolymers | 15 | 302 | 467 | 597 |
| 335 | Asia | 10 | 300 | 1,471 | 984 |
| 335 | Immunity | 7 | 300 | 1,002 | 1,174 |
| 337 | Computer-Aided Design | 16 | 292 | 408 | 517 |
| 338 | miniaturization | 7 | 291 | 1,149 | 1,159 |
| 339 | Analytical Chemistry | 11 | 290 | 2,336 | 2,372 |
| 339 | Power Electronics | 15 | 290 | 463 | 665 |
| 341 | Middle East | 8 | 286 | 549 | 250 |
| 342 | Plate Tectonics | 4 | 285 | 219 | 87 |
| 342 | Surface properties | 7 | 285 | 719 | 746 |
| 344 | Radioisotopes | 10 | 284 | 530 | 320 |
| 345 | Signal Transduction | 7 | 283 | 841 | 918 |
| 345 | Synchrotron Radiation | 13 | 283 | 104 | 103 |
| 347 | econometric models | 20 | 281 | 71 | 246 |
| 348 | System analysis | 22 | 280 | 806 | 1,209 |
| 349 | Functional Analysis | 20 | 279 | 489 | 581 |
| 349 | Radiobiology | 12 | 279 | 551 | 641 |
| 351 | Public Health | 8 | 278 | 2,976 | 2,560 |
| 352 | analysis | 7 | 276 | 235 | 222 |
| 353 | Organizational change | 18 | 275 | 125 | 331 |
| 354 | Radiology | 14 | 272 | 545 | 511 |
| 355 | Urban Policy | 7 | 271 | 488 | 435 |
| 355 | Genomics | 8 | 271 | 1,694 | 1,645 |
| 355 | solar power | 4 | 271 | 678 | 519 |
| 355 | solar cells | 4 | 271 | 739 | 566 |
| 355 | Organelle biogenesis | 14 | 271 | 35 | 81 |
| 360 | Cognitive neuroscience | 4 | 269 | 796 | 650 |
| 360 | biological invasions | 10 | 269 | 239 | 316 |
| 362 | Clinical Chemistry | 9 | 268 | 1,398 | 1,459 |
| 363 | Neuropsychiatry | 3 | 266 | 767 | 422 |
| 364 | Traffic Engineering | 2 | 261 | 551 | 236 |
| 365 | human development | 2 | 260 | 953 | 492 |
| 366 | Metallurgy | 8 | 257 | 1,389 | 1,130 |
| 367 | Psycholinguistics | 6 | 255 | 646 | 586 |
| 368 | Maps | 15 | 251 | 40 | 42 |
| 369 | Industrial Microbiology | 4 | 250 | 1,637 | 1,305 |
| 370 | Genetic Toxicology | 9 | 249 | 131 | 254 |
| 371 | Genetic engineering | 4 | 248 | 1,614 | 1,208 |
| 372 | movement | 5 | 246 | 224 | 162 |
| 373 | Social behavior | 7 | 242 | 737 | 732 |
| 374 | freshwater biology | 9 | 239 | 460 | 476 |
| 375 | Information Theory | 10 | 237 | 753 | 758 |
| 376 | Nanostructures | 20 | 235 | 642 | 1,273 |
| 376 | internet | 8 | 235 | 937 | 953 |
| 378 | elasticity | 11 | 234 | 75 | 90 |
| 379 | Electrical Engineering | 37 | 233 | 928 | 1,339 |
| 379 | mutation | 9 | 233 | 249 | 382 |
| 381 | Evolutionary economics | 7 | 232 | 69 | 63 |
| 382 | Engineering Mathematics | 15 | 231 | 771 | 829 |
| 382 | Medical Anthropology | 6 | 231 | 796 | 877 |
| 382 | radioactive waste | 2 | 231 | 1,012 | 759 |
| 382 | industrial waste | 2 | 231 | 1,059 | 761 |
| 382 | Hazardous waste | 2 | 231 | 1,184 | 823 |
| 387 | Diagnostic microbiology | 5 | 230 | 761 | 928 |
| 388 | Oxidative stress | 4 | 228 | 685 | 768 |
| 388 | Small Business | 6 | 228 | 508 | 719 |
| 388 | Population Dynamics | 6 | 228 | 77 | 78 |
| 391 | Cybernetics | 4 | 227 | 1,347 | 999 |
| 392 | Antioxidants | 5 | 226 | 541 | 612 |
| 393 | Medical genetics | 5 | 224 | 1,452 | 1,498 |
| 393 | viruses | 3 | 224 | 1,141 | 944 |
| 395 | Earthquakes | 7 | 223 | 201 | 164 |
| 396 | Neurolinguistics | 5 | 222 | 322 | 322 |
| 396 | Aquatic ecology | 9 | 222 | 495 | 486 |
| 398 | enzymes | 8 | 220 | 859 | 945 |
| 399 | Biochemical Engineering | 3 | 219 | 2,778 | 2,507 |
| 399 | Pharmaceutical Technology | 5 | 219 | 1,158 | 993 |
| 399 | DNA repair | 2 | 219 | 329 | 158 |
| 402 | Mobile Computing | 16 | 218 | 374 | 599 |
| 402 | technology transfer | 10 | 218 | 42 | 144 |
| 404 | Biosensors | 4 | 213 | 1,095 | 1,150 |
| 405 | Ethnobotany | 5 | 212 | 79 | 127 |
| 405 | Traditional medicine | 5 | 212 | 93 | 129 |
| 405 | ethnobiology | 5 | 212 | 117 | 156 |
| 405 | Phytotherapy | 5 | 212 | 425 | 356 |
| 405 | Ethnomedicine | 5 | 212 | 78 | 127 |
| 410 | Civil Engineering | 9 | 208 | 831 | 511 |
| 411 | Archaeology | 9 | 207 | 736 | 661 |
| 412 | Anatomy | 8 | 206 | 1,150 | 1,100 |
| 412 | Computer Graphics | 17 | 206 | 655 | 955 |
| 414 | Nuclear Engineering | 32 | 204 | 375 | 643 |
| 415 | Industrial Policy | 5 | 203 | 360 | 293 |
| 415 | genome | 6 | 203 | 937 | 1,148 |
| 417 | Radio wave propagation | 15 | 202 | 244 | 305 |
| 417 | forest policy | 4 | 202 | 277 | 170 |
| 419 | health planning | 14 | 201 | 957 | 1,187 |
| 420 | Biogeochemistry | 1 | 198 | 1,504 | 857 |
| 420 | Organic Geochemistry | 1 | 198 | 548 | 295 |
| 422 | Nonlinear functional analysis | 15 | 197 | 436 | 612 |
| 423 | Rock deformation | 5 | 196 | 124 | 121 |
| 424 | protein | 8 | 194 | 679 | 723 |
| 425 | Surface-Active Agents | 6 | 192 | 760 | 862 |
| 426 | commerce | 7 | 190 | 1,007 | 968 |
| 427 | Bacterial diseases | 3 | 189 | 259 | 166 |
| 428 | Environmental Economics | 9 | 188 | 120 | 195 |
| 428 | Industrial Safety | 6 | 188 | 803 | 682 |
| 428 | concrete | 4 | 188 | 815 | 846 |
| 431 | drugs | 5 | 187 | 1,447 | 1,208 |
| 432 | space environment | 2 | 183 | 223 | 108 |
| 433 | Liquid Crystals | 17 | 182 | 311 | 286 |
| 434 | Education | 21 | 181 | 1,355 | 1,907 |
| 434 | Remote Sensing | 28 | 181 | 319 | 753 |
| 434 | Magnetic Materials | 13 | 181 | 754 | 1,024 |
| 437 | Host-parasite interactions | 2 | 179 | 1,265 | 1,032 |
| 438 | Risk assessment | 4 | 178 | 505 | 270 |
| 438 | intergroup relations | 1 | 178 | 372 | 132 |
| 438 | Cyberterrorism | 4 | 178 | 11 | 23 |
| 441 | Mycology | 2 | 177 | 1,672 | 1,083 |
| 441 | Fungi | 2 | 177 | 1,117 | 823 |
| 443 | sustainability | 3 | 175 | 876 | 743 |
| 443 | hazard mitigation | 6 | 175 | 588 | 609 |
| 445 | Ultrasonic Imaging | 10 | 174 | 207 | 295 |
| 446 | Materials Engineering | 6 | 173 | 449 | 274 |
| 446 | Soil dynamics | 4 | 173 | 445 | 333 |
| 446 | Multimedia Systems | 9 | 173 | 1,037 | 1,051 |
| 449 | cytokines | 6 | 172 | 758 | 906 |
| 449 | Sedimentary rocks | 7 | 172 | 362 | 443 |
| 451 | cosmic rays | 8 | 171 | 228 | 206 |
| 451 | Celestial Mechanics | 11 | 171 | 68 | 96 |
| 453 | Internet of Things | 5 | 170 | 844 | 884 |
| 454 | Origin of life | 12 | 169 | 22 | 74 |
| 455 | Porous materials | 9 | 168 | 330 | 334 |
| 456 | Regional Development | 6 | 166 | 152 | 169 |
| 456 | Development planning | 6 | 166 | 125 | 151 |
| 456 | carcinogens | 3 | 166 | 863 | 685 |
| 456 | Respiration | 3 | 166 | 1,248 | 998 |
| 460 | Liposomes | 5 | 165 | 417 | 414 |
| 460 | innovation | 2 | 165 | 755 | 640 |
| 462 | Cytokine | 4 | 164 | 300 | 343 |
| 463 | Control Theory | 17 | 163 | 743 | 1,061 |
| 463 | Scheduling | 5 | 163 | 73 | 69 |
| 463 | Production Scheduling | 5 | 163 | 73 | 69 |
| 463 | Plant diversity | 4 | 163 | 10 | 5 |
| 467 | Nutrition | 5 | 162 | 2,818 | 2,723 |
| 467 | Forest Ecology | 6 | 162 | 694 | 798 |
| 467 | Developmental Biology | 6 | 162 | 1,240 | 1,465 |
| 467 | Forest Management | 6 | 162 | 671 | 760 |
| 467 | Animal | 6 | 162 | 69 | 55 |
| 472 | Nutrigenomics | 4 | 161 | 51 | 65 |
| 472 | mutagens | 3 | 161 | 667 | 635 |
| 474 | Biometrics | 12 | 159 | 491 | 648 |
| 475 | Human evolution | 5 | 158 | 309 | 394 |
| 475 | Bioelectronics | 2 | 158 | 1,267 | 1,186 |
| 477 | Detectors | 9 | 157 | 846 | 1,039 |
| 478 | Nanoelectronics | 21 | 154 | 188 | 358 |
| 478 | Calculus of Variations | 13 | 154 | 202 | 274 |
| 480 | Plastics | 8 | 153 | 1,033 | 1,076 |
| 481 | Diagnostic Imaging | 11 | 152 | 842 | 1,122 |
| 481 | Semiconductor industry | 20 | 152 | 134 | 282 |
| 483 | corporate culture | 5 | 151 | 88 | 126 |
| 484 | Telecommunication Systems | 13 | 149 | 713 | 993 |
| 484 | Quantum Communication | 4 | 149 | 143 | 167 |
| 484 | energy development | 8 | 149 | 384 | 738 |
| 487 | Photogrammetry | 26 | 147 | 149 | 176 |
| 488 | drug resistance | 4 | 145 | 567 | 523 |
| 489 | Geothermal Energy | 8 | 144 | 87 | 152 |
| 490 | Physical Geography | 6 | 143 | 310 | 327 |
| 490 | China | 13 | 143 | 1,350 | 1,919 |
| 492 | Health Policy | 2 | 142 | 2,302 | 1,392 |
| 492 | Optical Communications | 6 | 142 | 529 | 461 |
| 494 | Algorithms | 16 | 141 | 180 | 388 |
| 494 | Child | 8 | 141 | 1,261 | 1,506 |
| 494 | Flexible manufacturing systems | 2 | 141 | 531 | 285 |
| 497 | Cognitive Science | 10 | 139 | 784 | 1,310 |
| 498 | Total Quality Management | 11 | 138 | 133 | 344 |
| 499 | Ergonomics | 4 | 137 | 777 | 610 |
| 499 | Happiness | 6 | 137 | 230 | 367 |
| 501 | Electromagnetic compatibility | 3 | 134 | 350 | 206 |
| 501 | Proteome | 5 | 134 | 813 | 955 |
| 501 | Neurons | 2 | 134 | 601 | 863 |
| 504 | Electrophoresis | 3 | 133 | 1,533 | 1,209 |
| 504 | Chromatography | 3 | 133 | 1,567 | 1,113 |
| 504 | Adolescent | 7 | 133 | 1,257 | 1,411 |
| 504 | Chromatographic analysis | 3 | 133 | 1,768 | 1,217 |
| 508 | biomedicine | 3 | 132 | 484 | 467 |
| 509 | Forensic Genetics | 7 | 131 | 128 | 196 |
| 509 | sanitation | 2 | 131 | 1,598 | 1,618 |
| 511 | Quantum Computing | 3 | 130 | 182 | 168 |
| 511 | plasma spraying | 2 | 130 | 286 | 152 |
| 511 | Sites | 3 | 130 | 527 | 515 |
| 511 | Information Science | 12 | 130 | 1,254 | 2,075 |
| 515 | Solid State Chemistry | 10 | 129 | 1,531 | 1,801 |
| 515 | micromechanics | 3 | 129 | 607 | 476 |
| 515 | Nanoparticles | 3 | 129 | 1,837 | 1,545 |
| 515 | Approximation Theory | 3 | 129 | 460 | 229 |
| 519 | Medical innovations | 3 | 127 | 831 | 1,063 |
| 519 | personality | 5 | 127 | 1,107 | 1,315 |
| 521 | Social problems | 4 | 126 | 528 | 546 |
| 521 | mammals | 9 | 126 | 526 | 695 |
| 523 | Heritage Tourism | 3 | 125 | 106 | 61 |
| 523 | cultural tourism | 3 | 125 | 106 | 61 |
| 523 | plant molecular biology | 6 | 125 | 1,008 | 1,466 |
| 526 | Medical Ethics | 5 | 122 | 826 | 671 |
| 526 | educational planning | 3 | 122 | 409 | 345 |
| 526 | traffic safety | 4 | 122 | 232 | 178 |
| 529 | Immunopathology | 5 | 121 | 794 | 928 |
| 529 | Social Issues | 3 | 121 | 257 | 229 |
| 529 | Immune system | 5 | 121 | 627 | 917 |
| 529 | gene mapping | 4 | 121 | 1,468 | 1,668 |
| 533 | Structural design | 3 | 120 | 864 | 645 |
| 534 | Carcinogenesis | 1 | 119 | 1,282 | 841 |
| 534 | Cognitive Therapy | 4 | 119 | 510 | 490 |
| 534 | synthesis | 2 | 119 | 1,346 | 599 |
| 534 | Metals | 4 | 119 | 1,722 | 1,519 |
| 538 | Electrochemical Analysis | 4 | 116 | 1,399 | 1,313 |
| 538 | Molecular ecology | 2 | 116 | 1,129 | 1,156 |
| 540 | Structural optimization | 2 | 115 | 431 | 298 |
| 540 | Nonverbal Communication | 1 | 115 | 374 | 220 |
| 540 | Thin Films | 10 | 115 | 186 | 286 |
| 540 | Body language | 1 | 115 | 245 | 138 |
| 540 | adolescence | 5 | 115 | 684 | 776 |
| 545 | international trade | 3 | 114 | 763 | 523 |
| 545 | Information society | 1 | 114 | 356 | 92 |
| 545 | Germany | 3 | 114 | 616 | 180 |
| 548 | Food Microbiology | 3 | 113 | 1,179 | 1,311 |
| 548 | catalytic activity | 3 | 113 | 683 | 675 |
| 550 | Mechanical Engineering | 11 | 112 | 1,339 | 1,551 |
| 550 | visualization | 11 | 112 | 666 | 673 |
| 552 | Morphology | 3 | 111 | 909 | 555 |
| 552 | Marine Meteorology | 1 | 111 | 470 | 284 |
| 552 | Number Theory | 22 | 111 | 212 | 316 |
| 555 | Latin America | 11 | 109 | 605 | 556 |
| 555 | Population | 4 | 109 | 721 | 791 |
| 557 | Multicultural Education | 8 | 108 | 172 | 231 |
| 557 | Entropy | 8 | 108 | 627 | 768 |
| 559 | Pharmacy | 2 | 106 | 2,100 | 1,674 |
| 559 | Pharmacokinetics | 2 | 106 | 966 | 801 |
| 559 | Adolescent Psychology | 2 | 106 | 948 | 698 |
| 559 | Water quality management | 2 | 106 | 2,132 | 1,428 |
| 559 | big data | 3 | 106 | 635 | 502 |
| 564 | data protection | 4 | 104 | 465 | 341 |
| 565 | Coastal zone management | 5 | 103 | 485 | 616 |
| 565 | vibration | 8 | 103 | 693 | 1,013 |
| 567 | Population Genetics | 1 | 102 | 1,618 | 1,199 |
| 567 | biological factors | 4 | 102 | 1,637 | 1,612 |
| 569 | Epidemiology | 3 | 101 | 2,985 | 2,640 |
| 569 | Growth factors | 4 | 101 | 182 | 395 |
| 569 | Solar System | 7 | 101 | 469 | 666 |
| 572 | Nuclear Chemistry | 11 | 100 | 516 | 668 |
| 572 | Radiochemistry | 11 | 100 | 433 | 583 |
| 572 | Catalysts | 1 | 100 | 1,137 | 589 |
| 575 | food technology | 3 | 99 | 2,438 | 2,380 |
| 575 | chromatin | 1 | 99 | 270 | 167 |
| 575 | Europa | 4 | 99 | 432 | 480 |
| 575 | Autism | 1 | 99 | 1,008 | 717 |
| 579 | Random graphs | 5 | 98 | 112 | 103 |
| 580 | Mental Disorders | 3 | 97 | 2,277 | 2,200 |
| 580 | poverty | 5 | 97 | 239 | 350 |
| 580 | Gerontology | 4 | 97 | 1,509 | 1,303 |
| 580 | Antarctica | 5 | 97 | 370 | 351 |
| 580 | Scandinavia | 3 | 97 | 585 | 499 |
| 585 | Hematology | 2 | 95 | 1,747 | 1,512 |
| 586 | Software Engineering | 6 | 94 | 698 | 833 |
| 586 | psychotherapy | 5 | 94 | 932 | 1,045 |
| 586 | Interactive multimedia | 3 | 94 | 556 | 602 |
| 589 | Computer Engineering | 3 | 93 | 1,013 | 768 |
| 589 | Human genetics | 2 | 93 | 1,637 | 2,006 |
| 589 | Crystallography | 11 | 93 | 915 | 869 |
| 589 | Cognitive Grammar | 1 | 93 | 150 | 57 |
| 589 | World Wide Web | 9 | 93 | 130 | 235 |
| 594 | Stochastic Processes | 8 | 92 | 515 | 664 |
| 594 | Computational Complexity | 5 | 92 | 809 | 720 |
| 596 | Soil Mechanics | 3 | 91 | 1,017 | 973 |
| 596 | Geometry | 27 | 91 | 337 | 637 |
| 596 | Computer Vision | 8 | 91 | 680 | 1,142 |
| 596 | Public Administration | 11 | 91 | 689 | 1,027 |
| 596 | Fracture mechanics | 5 | 91 | 1,079 | 1,208 |
| 596 | Vocational guidance | 1 | 91 | 1,413 | 892 |
| 596 | software | 5 | 91 | 781 | 1,126 |
| 603 | Animal ecology | 11 | 90 | 579 | 1,014 |
| 603 | Carbon | 5 | 90 | 997 | 1,529 |
| 603 | Cerebellum | 4 | 90 | 212 | 291 |
| 603 | Cerebellar ataxia | 4 | 90 | 212 | 291 |
| 607 | Nanochemistry | 4 | 89 | 1,132 | 1,192 |
| 607 | Infrared spectroscopy | 4 | 89 | 222 | 274 |
| 607 | Interfaces | 1 | 89 | 657 | 251 |
| 610 | Energy Storage | 6 | 88 | 882 | 1,251 |
| 610 | Distributed Databases | 5 | 88 | 98 | 128 |
| 610 | locomotion | 9 | 88 | 320 | 613 |
| 610 | posture | 9 | 88 | 320 | 613 |
| 610 | Electromagnetic fields | 9 | 88 | 135 | 108 |
| 610 | Australia | 8 | 88 | 1,051 | 1,420 |
| 610 | gait | 9 | 88 | 320 | 613 |
| 610 | walking | 9 | 88 | 320 | 613 |
| 618 | Medical Technology | 3 | 87 | 1,462 | 1,414 |
| 618 | Ethics | 6 | 87 | 628 | 695 |
| 618 | cryosphere | 6 | 87 | 243 | 390 |
| 618 | Mental illness | 2 | 87 | 1,808 | 1,717 |
| 618 | children | 3 | 87 | 491 | 475 |
| 618 | Vaccines | 1 | 87 | 2,196 | 1,415 |
| 624 | Computer Science | 10 | 86 | 1,076 | 1,567 |
| 624 | Ceramics | 2 | 86 | 1,702 | 1,166 |
| 624 | Drug design | 5 | 86 | 1,118 | 1,451 |
| 624 | fuel cells | 5 | 86 | 970 | 1,355 |
| 624 | Informatics | 3 | 86 | 862 | 826 |
| 629 | Environmental Law | 2 | 85 | 1,243 | 1,451 |
| 629 | Antiviral agents | 4 | 85 | 201 | 264 |
| 629 | Glass | 1 | 85 | 1,505 | 1,008 |
| 629 | pottery | 1 | 85 | 1,437 | 978 |
| 629 | Money | 2 | 85 | 472 | 458 |
| 629 | Aging | 5 | 85 | 1,803 | 2,018 |
| 635 | Statistical Mechanics | 6 | 84 | 471 | 496 |
| 635 | Knowledge | 8 | 84 | 293 | 342 |
| 637 | Marine Ecology | 3 | 83 | 764 | 694 |
| 637 | International Relations | 3 | 83 | 1,025 | 698 |
| 637 | Educational Technology | 2 | 83 | 1,994 | 1,558 |
| 637 | Transport | 2 | 83 | 699 | 651 |
| 637 | coal | 1 | 83 | 2,219 | 1,813 |
| 637 | Nonlinear mechanics | 10 | 83 | 160 | 401 |
| 643 | Molecular Pharmacology | 1 | 82 | 1,164 | 960 |
| 643 | Demography | 7 | 82 | 380 | 667 |
| 645 | Chemical Engineering | 3 | 81 | 3,627 | 3,678 |
| 645 | Energy Conversion | 4 | 81 | 1,062 | 1,457 |
| 645 | Developmental Disabilities | 7 | 81 | 587 | 1,051 |
| 648 | Arts | 6 | 80 | 257 | 174 |
| 648 | Oncology | 2 | 80 | 2,017 | 2,115 |
| 648 | Process Control | 5 | 80 | 706 | 1,294 |
| 648 | Production Management | 5 | 80 | 891 | 1,413 |
| 648 | Primates | 6 | 80 | 473 | 629 |
| 653 | Restoration Ecology | 4 | 79 | 346 | 464 |
| 653 | Recombinant DNA | 2 | 79 | 1,611 | 1,363 |
| 655 | Plant Morphology | 3 | 78 | 607 | 559 |
| 655 | Computational Intelligence | 1 | 78 | 1,231 | 586 |
| 655 | Economic Integration | 1 | 78 | 177 | 27 |
| 655 | Cerebral cortex | 3 | 78 | 827 | 983 |
| 659 | Landscape Ecology | 2 | 77 | 565 | 599 |
| 659 | Luminescence | 8 | 77 | 832 | 1,204 |
| 659 | Communication in politics | 3 | 77 | 247 | 193 |
| 662 | Volcanology | 2 | 76 | 35 | 35 |
| 662 | European integration | 5 | 76 | 146 | 225 |
| 662 | European Economic Community | 5 | 76 | 146 | 225 |
| 665 | Regional Economics | 4 | 75 | 398 | 454 |
| 665 | Atmospheric Physics | 1 | 75 | 1,996 | 1,497 |
| 665 | Social welfare | 2 | 75 | 719 | 517 |
| 665 | Product life cycle | 1 | 75 | 552 | 364 |
| 665 | green products | 1 | 75 | 467 | 354 |
| 670 | Interferons | 1 | 74 | 483 | 298 |
| 671 | Metabolism | 4 | 73 | 1,679 | 2,229 |
| 671 | Ethnology | 2 | 73 | 1,749 | 1,103 |
| 673 | Ore deposits | 3 | 72 | 528 | 572 |
| 674 | Medical Laboratory Science | 3 | 71 | 1,801 | 2,126 |
| 674 | Combustion | 7 | 71 | 810 | 1,241 |
| 676 | Naval Architecture | 3 | 70 | 408 | 278 |
| 676 | Physical organic chemistry | 3 | 70 | 1,433 | 1,354 |
| 676 | Ethnic relations | 7 | 70 | 343 | 451 |
| 676 | civilization | 20 | 70 | 297 | 360 |
| 676 | exobiology | 1 | 70 | 473 | 394 |
| 681 | Biopharmaceutics | 2 | 69 | 1,185 | 1,190 |
| 681 | Ceramic materials | 4 | 69 | 1,170 | 1,331 |
| 681 | Religion and Sociology | 3 | 69 | 211 | 127 |
| 684 | Tourism | 4 | 68 | 1,450 | 1,923 |
| 684 | Fuzzy systems | 6 | 68 | 1,203 | 1,387 |
| 686 | air quality management | 1 | 67 | 983 | 647 |
| 686 | Geodesy | 3 | 67 | 765 | 770 |
| 686 | environmental exposure | 3 | 67 | 1,868 | 2,206 |
| 686 | Tunneling | 4 | 67 | 287 | 477 |
| 686 | underground construction | 4 | 67 | 287 | 477 |
| 691 | Knowledge management | 6 | 66 | 144 | 323 |
| 691 | Cement | 2 | 66 | 683 | 836 |
| 693 | Mining Engineering | 3 | 65 | 515 | 538 |
| 693 | Neurogenetics | 1 | 65 | 585 | 368 |
| 693 | Rock Mechanics | 2 | 65 | 990 | 948 |
| 696 | Clinical Psychology | 2 | 64 | 1,285 | 1,255 |
| 696 | Biomass Energy | 2 | 64 | 2,630 | 2,743 |
| 696 | Reproductive toxicology | 2 | 64 | 535 | 537 |
| 696 | Biomass | 2 | 64 | 875 | 1,020 |
| 696 | mathematical concepts | 3 | 64 | 405 | 325 |
| 696 | Radiation effects | 1 | 64 | 1,076 | 894 |
| 702 | Industrial Engineering | 7 | 63 | 1,174 | 1,901 |
| 702 | Product Design | 11 | 63 | 233 | 437 |
| 702 | Socialization | 3 | 63 | 547 | 764 |
| 702 | Family Therapy | 2 | 63 | 862 | 697 |
| 702 | child mental health | 2 | 63 | 570 | 489 |
| 702 | Methodology | 7 | 63 | 242 | 446 |
| 708 | plasticity | 2 | 62 | 402 | 539 |
| 708 | multimedia | 2 | 62 | 613 | 667 |
| 708 | Plant cells | 2 | 62 | 1,092 | 1,507 |
| 711 | Land use | 4 | 61 | 966 | 1,432 |
| 711 | Molecular recognition | 4 | 61 | 124 | 233 |
| 711 | Inflammation | 1 | 61 | 1,499 | 1,366 |
| 711 | Molecular Spectroscopy | 7 | 61 | 1,252 | 1,888 |
| 711 | industrial relations | 3 | 61 | 851 | 811 |
| 711 | Nitric oxide | 3 | 61 | 244 | 403 |
| 717 | Obstetrics | 2 | 60 | 2,021 | 1,873 |
| 717 | Intercultural Communication | 5 | 60 | 283 | 524 |
| 717 | Biomechanics | 2 | 60 | 1,469 | 1,355 |
| 717 | Chromosome mapping | 3 | 60 | 1,540 | 1,945 |
| 717 | Visual Perception | 3 | 60 | 1,272 | 1,376 |
| 717 | Input-output analysis | 6 | 60 | 111 | 280 |
| 723 | Labor Economics | 6 | 59 | 318 | 532 |
| 723 | infrared radiation | 7 | 59 | 338 | 556 |
| 725 | Petroleum Engineering | 3 | 58 | 677 | 757 |
| 725 | Environmental Toxicology | 4 | 58 | 2,055 | 2,853 |
| 725 | income | 5 | 58 | 88 | 202 |
| 725 | Zeolites | 3 | 58 | 939 | 1,277 |
| 725 | Wealth | 5 | 58 | 88 | 202 |
| 725 | environmental issues | 2 | 58 | 550 | 619 |
| 731 | Music Therapy | 1 | 57 | 411 | 207 |
| 731 | Art Therapy | 1 | 57 | 385 | 182 |
| 731 | Cultural Anthropology | 2 | 57 | 112 | 84 |
| 731 | Highway Engineering | 2 | 57 | 478 | 437 |
| 731 | Infection control | 1 | 57 | 626 | 479 |
| 731 | Solitons | 4 | 57 | 1,073 | 1,342 |
| 731 | Fractals | 4 | 57 | 1,080 | 1,345 |
| 731 | Chaos | 4 | 57 | 1,073 | 1,342 |
| 731 | cell interaction | 2 | 57 | 1,119 | 1,276 |
| 740 | Environmental Education | 1 | 56 | 673 | 449 |
| 740 | cultural pluralism | 6 | 56 | 232 | 453 |
| 742 | Quality Control | 4 | 55 | 1,507 | 2,075 |
| 742 | Landslides | 2 | 55 | 319 | 457 |
| 744 | sex differences | 1 | 54 | 287 | 236 |
| 744 | Navigation | 5 | 54 | 193 | 228 |
| 746 | Cognitive Psychology | 8 | 53 | 210 | 439 |
| 746 | Philosophy of Mind | 7 | 53 | 123 | 292 |
| 746 | Municipal Engineering | 2 | 53 | 461 | 509 |
| 746 | Radiation Protection | 3 | 53 | 651 | 460 |
| 746 | radiation monitoring | 3 | 53 | 566 | 426 |
| 746 | Waste management | 2 | 53 | 1,699 | 1,524 |
| 746 | Building | 3 | 53 | 559 | 538 |
| 746 | Radiation dosimetry | 3 | 53 | 437 | 331 |
| 746 | Autonomous robots | 2 | 53 | 226 | 294 |
| 755 | income distribution | 4 | 52 | 113 | 242 |
| 755 | Microfabrication | 2 | 52 | 451 | 409 |
| 755 | Computational Fluid Dynamics | 3 | 52 | 658 | 760 |
| 755 | nucleic acids | 2 | 52 | 1,566 | 1,738 |
| 759 | Marine resources | 3 | 51 | 667 | 917 |
| 759 | values | 2 | 51 | 358 | 107 |
| 759 | fusion reactors | 10 | 51 | 183 | 330 |
| 762 | Pediatrics | 4 | 50 | 1,654 | 2,219 |
| 762 | Sedimentology | 1 | 50 | 1,017 | 816 |
| 762 | Organizational learning | 5 | 50 | 236 | 518 |
| 762 | Energy Consumption | 1 | 50 | 710 | 640 |
| 762 | Molecular cloning | 1 | 50 | 1,956 | 1,585 |
| 762 | Genetic recombination | 1 | 50 | 1,923 | 1,571 |
| 762 | Cardiovascular diseases | 2 | 50 | 1,520 | 1,453 |
| 769 | Histology | 3 | 49 | 1,612 | 1,975 |
| 769 | Embedded Systems | 1 | 49 | 361 | 224 |
| 769 | Combinatorial analysis | 6 | 49 | 734 | 798 |
| 772 | Embryology | 3 | 48 | 1,203 | 1,580 |
| 772 | Phenomenology | 6 | 48 | 116 | 150 |
| 772 | Industrial Ecology | 2 | 48 | 218 | 328 |
| 772 | Educational evaluation | 2 | 48 | 247 | 212 |
| 776 | Chemical Ecology | 2 | 46 | 628 | 788 |
| 776 | Seismology | 3 | 46 | 469 | 564 |
| 776 | Probability | 7 | 46 | 330 | 725 |
| 776 | Paleobiology | 5 | 46 | 251 | 344 |
| 776 | Environmental Chemistry | 2 | 46 | 2,380 | 2,684 |
| 776 | pheromones | 2 | 46 | 578 | 761 |
| 782 | Geriatrics | 3 | 45 | 2,403 | 2,634 |
| 782 | Oral Medicine | 1 | 45 | 1,150 | 769 |
| 782 | Research Design | 3 | 45 | 1,087 | 1,370 |
| 782 | Memory disorders | 2 | 45 | 355 | 414 |
| 782 | Child welfare | 5 | 45 | 841 | 1,275 |
| 782 | Astrocytes | 2 | 45 | 498 | 734 |
| 782 | drug development | 1 | 45 | 1,333 | 1,345 |
| 782 | health services | 1 | 45 | 1,631 | 1,236 |
| 782 | Memory | 2 | 45 | 1,611 | 1,774 |
| 782 | strategy | 5 | 45 | 118 | 133 |
| 792 | Architecture | 5 | 44 | 431 | 525 |
| 792 | Inclusive Education | 1 | 44 | 379 | 276 |
| 792 | clay | 1 | 44 | 1,303 | 1,315 |
| 792 | Integration | 1 | 44 | 364 | 272 |
| 792 | clay minerals | 1 | 44 | 500 | 442 |
| 792 | race relations | 1 | 44 | 946 | 677 |
| 798 | Macroeconomics | 6 | 43 | 223 | 429 |
| 798 | Microscopy | 6 | 43 | 983 | 1,453 |
| 800 | Mutagenesis | 2 | 42 | 580 | 591 |
| 800 | Speech | 2 | 42 | 1,014 | 1,106 |
| 800 | impact | 1 | 42 | 499 | 516 |
| 803 | Simulation Methods | 1 | 41 | 1,747 | 1,311 |
| 803 | feeding behavior | 1 | 41 | 1,101 | 1,068 |
| 803 | radar | 2 | 41 | 226 | 220 |
| 803 | Sonar | 2 | 41 | 192 | 193 |
| 803 | Growth | 2 | 41 | 1,107 | 1,446 |
| 803 | Appetite | 1 | 41 | 988 | 976 |
| 809 | Developmental Neurobiology | 1 | 40 | 908 | 719 |
| 809 | Reservoirs | 3 | 40 | 171 | 209 |
| 809 | lakes | 3 | 40 | 65 | 89 |
| 809 | social science | 1 | 40 | 321 | 363 |
| 809 | Scotland | 3 | 40 | 115 | 112 |
| 809 | Bones | 1 | 40 | 970 | 1,027 |
| 815 | soil microbiology | 1 | 39 | 2,007 | 2,172 |
| 816 | Agricultural Ecology | 3 | 38 | 1,011 | 1,648 |
| 816 | Enzyme inhibitors | 3 | 38 | 393 | 661 |
| 816 | Synthetic biology | 1 | 38 | 524 | 520 |
| 819 | Green Technology | 1 | 37 | 893 | 755 |
| 819 | Transnational corporations | 4 | 37 | 284 | 709 |
| 819 | Semantic web | 1 | 37 | 200 | 170 |
| 819 | peptides | 2 | 37 | 994 | 1,045 |
| 823 | Geographic information systems | 4 | 36 | 993 | 1,346 |
| 823 | Metallic Glasses | 1 | 36 | 740 | 648 |
| 823 | risk factors | 1 | 36 | 962 | 849 |
| 823 | Biomolecules | 1 | 36 | 784 | 830 |
| 823 | Fisheries | 3 | 36 | 1,508 | 1,789 |
| 828 | Logic | 6 | 35 | 314 | 435 |
| 828 | Planetary Science | 2 | 35 | 598 | 604 |
| 828 | Health Services Research | 1 | 35 | 2,253 | 1,929 |
| 828 | industrial hygiene | 1 | 35 | 1,704 | 1,072 |
| 828 | Fractional Calculus | 3 | 35 | 140 | 234 |
| 828 | Primary health care | 1 | 35 | 2,365 | 2,027 |
| 828 | Environmental risk assessment | 1 | 35 | 783 | 611 |
| 828 | Japan | 3 | 35 | 1,786 | 2,035 |
| 828 | packaging | 2 | 35 | 149 | 225 |
| 837 | Antibacterial agents | 2 | 34 | 732 | 1,085 |
| 837 | Sensor Networks | 2 | 34 | 348 | 349 |
| 837 | X-ray crystallography | 4 | 34 | 468 | 594 |
| 837 | optical devices | 3 | 34 | 500 | 676 |
| 841 | Neurotoxicology | 1 | 33 | 965 | 1,068 |
| 841 | Social History | 2 | 33 | 564 | 470 |
| 841 | Computational Linguistics | 2 | 33 | 748 | 617 |
| 841 | Apoptosis | 1 | 33 | 528 | 586 |
| 841 | neurotoxins | 1 | 33 | 528 | 586 |
| 841 | Neurotoxic agents | 1 | 33 | 528 | 586 |
| 841 | Intelligence | 1 | 33 | 435 | 421 |
| 841 | Language and Logic | 2 | 33 | 92 | 89 |
| 841 | Microwave devices | 3 | 33 | 469 | 587 |
| 841 | rehabilitation | 2 | 33 | 2,258 | 2,579 |
| 841 | Nerve regeneration | 1 | 33 | 528 | 586 |
| 852 | Political Psychology | 1 | 32 | 574 | 583 |
| 852 | Quantum Mechanics | 6 | 32 | 85 | 154 |
| 852 | Ecophysiology | 2 | 32 | 302 | 443 |
| 852 | behavioral medicine | 1 | 32 | 1,866 | 1,980 |
| 852 | Lipid metabolism | 1 | 32 | 680 | 752 |
| 852 | Discrete geometry | 9 | 32 | 105 | 287 |
| 852 | Herpetology | 3 | 32 | 357 | 413 |
| 852 | Positive Psychology | 1 | 32 | 335 | 391 |
| 852 | Lipids | 1 | 32 | 1,727 | 1,756 |
| 852 | Lipid | 1 | 32 | 682 | 752 |
| 852 | Lipid bilayers | 2 | 32 | 615 | 712 |
| 863 | Immunotherapy | 3 | 31 | 1,485 | 2,198 |
| 863 | Micropaleontology | 3 | 31 | 120 | 179 |
| 863 | Cellular senescence | 1 | 31 | 619 | 912 |
| 863 | Well-being | 1 | 31 | 333 | 277 |
| 863 | dietary supplements | 1 | 31 | 1,448 | 1,506 |
| 863 | World Bank | 1 | 31 | 110 | 146 |
| 869 | Human Geography | 3 | 30 | 1,057 | 1,358 |
| 869 | indoor air pollution | 1 | 30 | 698 | 691 |
| 869 | Ventilation | 1 | 30 | 920 | 810 |
| 869 | Sick building syndrome | 1 | 30 | 698 | 691 |
| 873 | Economic Geography | 4 | 29 | 285 | 588 |
| 873 | Global Health | 3 | 29 | 1,063 | 1,492 |
| 873 | Ecological Engineering | 2 | 29 | 795 | 1,329 |
| 873 | Wireless Communication | 2 | 29 | 598 | 638 |
| 873 | Mycotoxins | 1 | 29 | 285 | 272 |
| 873 | DNS | 1 | 29 | 819 | 827 |
| 873 | Fishery resources | 2 | 29 | 698 | 926 |
| 873 | Budget | 3 | 29 | 160 | 222 |
| 873 | Microstructure | 8 | 29 | 461 | 1,184 |
| 873 | DNA | 1 | 29 | 993 | 914 |
| 873 | Human biology | 1 | 29 | 1,049 | 885 |
| 873 | Genes | 1 | 29 | 1,579 | 1,518 |
| 885 | Cytogenetics | 1 | 28 | 1,672 | 1,753 |
| 885 | Geopolitics | 3 | 28 | 256 | 422 |
| 887 | Climatology | 3 | 27 | 1,653 | 2,343 |
| 887 | Political Geography | 2 | 27 | 372 | 498 |
| 887 | Oncogenes | 2 | 27 | 991 | 1,458 |
| 887 | Applied Ethics | 3 | 27 | 150 | 203 |
| 887 | body temperature | 2 | 27 | 692 | 955 |
| 892 | Pathology | 1 | 26 | 2,216 | 2,328 |
| 892 | Sustainable Engineering | 3 | 26 | 1,620 | 2,427 |
| 892 | Speech Perception | 1 | 26 | 572 | 603 |
| 892 | auditory perception | 1 | 26 | 684 | 691 |
| 892 | Optoelectronic devices | 4 | 26 | 862 | 1,144 |
| 892 | Oral communication | 1 | 26 | 770 | 679 |
| 898 | Law and Economics | 4 | 25 | 251 | 399 |
| 898 | Urbanization | 5 | 25 | 101 | 365 |
| 898 | Investment analysis | 3 | 25 | 1,019 | 1,440 |
| 898 | role | 1 | 25 | 761 | 916 |
| 902 | Architectural Acoustics | 1 | 24 | 120 | 62 |
| 902 | Information Retrieval | 1 | 24 | 823 | 837 |
| 902 | Health Education | 3 | 24 | 1,717 | 2,340 |
| 902 | Bioethics | 3 | 24 | 898 | 1,222 |
| 902 | Marine invertebrates | 2 | 24 | 313 | 372 |
| 902 | Metabolic diseases | 2 | 24 | 1,909 | 2,541 |
| 902 | Arthropods | 3 | 24 | 226 | 465 |
| 902 | medical education | 3 | 24 | 1,576 | 2,209 |
| 902 | Soundproofing | 2 | 24 | 133 | 100 |
| 911 | Urban Economics | 3 | 23 | 353 | 674 |
| 911 | Lexicography | 5 | 23 | 22 | 62 |
| 911 | Risk Management | 2 | 23 | 841 | 1,188 |
| 911 | microwave communication systems | 1 | 23 | 610 | 615 |
| 911 | Speech Disorders | 2 | 23 | 1,049 | 1,275 |
| 911 | Flood forecasting | 2 | 23 | 140 | 310 |
| 911 | Urban Anthropology | 2 | 23 | 250 | 367 |
| 911 | Child psychology | 5 | 23 | 1,039 | 2,001 |
| 911 | Flood control | 2 | 23 | 343 | 519 |
| 920 | Metaphysics | 1 | 22 | 74 | 17 |
| 920 | Ecosystem management | 1 | 22 | 1,148 | 1,181 |
| 920 | Ontology | 1 | 22 | 174 | 40 |
| 920 | gastrointestinal tract | 1 | 22 | 565 | 787 |
| 924 | Marine Engineering | 1 | 21 | 651 | 387 |
| 924 | Emergency Medical Services | 1 | 21 | 1,059 | 1,042 |
| 924 | Emergency Medicine | 1 | 21 | 1,614 | 1,533 |
| 924 | Social Ethics | 2 | 21 | 265 | 273 |
| 924 | bioclimatology | 1 | 21 | 1,610 | 1,692 |
| 924 | Corporate Social Responsibility | 3 | 21 | 280 | 1,011 |
| 924 | environmental auditing | 3 | 21 | 293 | 1,025 |
| 924 | Environmental Geochemistry | 2 | 21 | 795 | 1,220 |
| 924 | Strategic planning | 2 | 21 | 971 | 1,330 |
| 924 | Sports | 2 | 21 | 2,257 | 2,376 |
| 924 | particles | 2 | 21 | 1,289 | 1,716 |
| 924 | biomimicry | 1 | 21 | 333 | 402 |
| 924 | Climate | 1 | 21 | 1,041 | 1,215 |
| 924 | weather | 1 | 21 | 1,015 | 1,183 |
| 938 | Theology | 4 | 20 | 537 | 367 |
| 938 | International Law | 6 | 20 | 254 | 304 |
| 938 | Flexible electronics | 1 | 20 | 167 | 305 |
| 938 | Smart Materials | 4 | 20 | 824 | 1,506 |
| 938 | local government | 2 | 20 | 463 | 714 |
| 938 | electric vehicles | 2 | 20 | 385 | 613 |
| 938 | technical education | 2 | 20 | 845 | 1,111 |
| 938 | Prospecting | 3 | 20 | 77 | 176 |
| 938 | Reptiles | 1 | 20 | 535 | 463 |
| 947 | Optoelectronics | 3 | 19 | 529 | 709 |
| 947 | Educational Sociology | 4 | 19 | 297 | 675 |
| 947 | Sports Medicine | 1 | 19 | 3,066 | 2,761 |
| 947 | microwave antennas | 2 | 19 | 494 | 606 |
| 947 | Biofilms | 1 | 19 | 347 | 525 |
| 947 | Microorganisms | 1 | 19 | 1,486 | 1,782 |
| 947 | brain mapping | 1 | 19 | 825 | 1,042 |
| 947 | Exercise | 1 | 19 | 2,217 | 2,030 |
| 955 | Meteorology | 2 | 18 | 2,214 | 2,998 |
| 955 | Sustainable agriculture | 2 | 18 | 904 | 1,418 |
| 955 | venom | 1 | 18 | 1,274 | 1,385 |
| 955 | Toxins | 1 | 18 | 1,406 | 1,527 |
| 955 | Aquaculture | 2 | 18 | 1,614 | 2,056 |
| 960 | Graph Theory | 2 | 17 | 932 | 897 |
| 960 | Language Acquisition | 3 | 17 | 322 | 588 |
| 960 | Topology | 3 | 17 | 342 | 448 |
| 960 | Social Entrepreneurship | 1 | 17 | 311 | 484 |
| 960 | Learning disabilities | 3 | 17 | 814 | 1,319 |
| 960 | social justice | 1 | 17 | 731 | 599 |
| 960 | Genetic regulation | 3 | 17 | 967 | 1,642 |
| 960 | ports | 3 | 17 | 217 | 494 |
| 960 | Sea | 1 | 17 | 847 | 1,011 |
| 960 | Waterways | 3 | 17 | 106 | 176 |
| 960 | Harbors | 3 | 17 | 112 | 180 |
| 960 | homosexuality | 1 | 17 | 713 | 820 |
| 960 | Classification | 2 | 17 | 371 | 495 |
| 960 | Longevity | 1 | 17 | 349 | 480 |
| 960 | RNA | 1 | 17 | 774 | 983 |
| 960 | rejuvenation | 1 | 17 | 270 | 412 |
| 960 | Intellectual disability | 3 | 17 | 759 | 1,256 |
| 960 | drug toxicity | 1 | 17 | 948 | 1,227 |
| 978 | Surgery | 1 | 16 | 1,760 | 1,912 |
| 978 | Nuclear Energy | 2 | 16 | 1,166 | 1,364 |
| 978 | Language Disorders | 1 | 16 | 1,183 | 1,235 |
| 978 | Histochemistry | 1 | 16 | 1,461 | 1,543 |
| 978 | cooperation | 1 | 16 | 318 | 265 |
| 978 | histological techniques | 1 | 16 | 886 | 1,111 |
| 978 | Animal genetics | 1 | 16 | 864 | 1,027 |
| 978 | Algae | 2 | 16 | 832 | 1,214 |
| 978 | Comparative Law | 2 | 16 | 344 | 211 |
| 978 | Hearing | 1 | 16 | 960 | 995 |
| 978 | economic development projects | 2 | 16 | 236 | 484 |
| 978 | India | 3 | 16 | 1,540 | 2,027 |
| 990 | Plant Taxonomy | 2 | 15 | 490 | 715 |
| 990 | Feminist theory | 5 | 15 | 120 | 383 |
| 990 | Chemical kinetics | 1 | 15 | 1,300 | 1,190 |
| 990 | Identity | 2 | 15 | 171 | 396 |
| 990 | Chemical analysis | 1 | 15 | 1,599 | 1,929 |
| 990 | Wind power | 2 | 15 | 379 | 595 |
| 990 | atmospheric models | 2 | 15 | 698 | 1,091 |
| 990 | dissociative disorders | 1 | 15 | 229 | 330 |
| 990 | Computer Literacy | 1 | 15 | 477 | 626 |
| 990 | Pathogens | 1 | 15 | 248 | 387 |
| 990 | North Africa | 2 | 15 | 239 | 205 |