| 1 | Nuclear Physics | 749 | 38.0K | 294 | 225 |
| 2 | Physics | 475 | 21.2K | 724 | 836 |
| 3 | Polymers | 340 | 12.4K | 295 | 262 |
| 4 | polymerization | 292 | 10.6K | 246 | 218 |
| 5 | Biotechnology | 118 | 7.8K | 780 | 597 |
| 6 | Chemistry | 207 | 6.6K | 1325 | 1411 |
| 7 | Human genetics | 39 | 6.4K | 453 | 474 |
| 8 | Chemical Engineering | 103 | 6.3K | 792 | 582 |
| 9 | Geophysics | 153 | 6.2K | 437 | 404 |
| 10 | Earthquake Engineering | 155 | 6.0K | 72 | 75 |
| 11 | Biochemistry | 97 | 5.9K | 1727 | 1221 |
| 12 | Biochemical Engineering | 58 | 5.4K | 649 | 477 |
| 13 | Bioengineering | 57 | 5.2K | 855 | 538 |
| 14 | Biology | 91 | 5.1K | 1520 | 1525 |
| 15 | Science | 80 | 5.0K | 1779 | 1615 |
| 16 | Pollution | 90 | 5.0K | 891 | 802 |
| 17 | Catalysis | 98 | 4.8K | 698 | 633 |
| 18 | Astrophysics | 75 | 4.6K | 772 | 726 |
| 19 | Spectrum analysis | 52 | 4.4K | 1096 | 697 |
| 20 | Biophysics | 78 | 4.2K | 1108 | 844 |
| 21 | Automation | 54 | 4.0K | 404 | 291 |
| 22 | Bioinformatics | 50 | 3.6K | 333 | 234 |
| 23 | Medical genetics | 51 | 3.5K | 519 | 446 |
| 24 | Ecology | 80 | 3.5K | 1168 | 1213 |
| 25 | Quantum Gravity | 169 | 3.4K | 353 | 479 |
| 26 | Computational Biology | 64 | 3.4K | 331 | 321 |
| 27 | environmental pollution | 54 | 3.4K | 955 | 710 |
| 28 | Environment | 58 | 3.3K | 1002 | 1079 |
| 29 | Molecular Biology | 75 | 3.3K | 1599 | 1457 |
| 30 | Planets | 59 | 3.3K | 313 | 276 |
| 31 | Biomedical Engineering | 104 | 3.3K | 699 | 722 |
| 32 | Signal Processing | 113 | 3.2K | 300 | 375 |
| 33 | Water pollution | 68 | 3.2K | 414 | 402 |
| 34 | Image Processing | 80 | 2.9K | 248 | 297 |
| 35 | Nanotechnology | 52 | 2.8K | 1248 | 1057 |
| 36 | Operations Research | 69 | 2.8K | 326 | 254 |
| 37 | Medicine | 89 | 2.7K | 1716 | 1794 |
| 38 | genome | 16 | 2.5K | 504 | 301 |
| 39 | Water | 36 | 2.5K | 615 | 512 |
| 40 | Artificial Intelligence | 85 | 2.5K | 526 | 581 |
| 41 | Renewable Energy Sources | 15 | 2.4K | 1183 | 616 |
| 42 | computer networks | 72 | 2.4K | 292 | 268 |
| 43 | Telecommunication | 54 | 2.3K | 502 | 413 |
| 44 | Building Materials | 26 | 2.2K | 554 | 336 |
| 45 | Wireless Communication Systems | 69 | 2.0K | 353 | 352 |
| 46 | Environmental Health | 50 | 2.0K | 1202 | 1189 |
| 47 | Geodynamics | 48 | 2.0K | 129 | 142 |
| 48 | Biomass Energy | 30 | 1.9K | 623 | 516 |
| 49 | Composite Materials | 42 | 1.9K | 664 | 639 |
| 50 | Soil dynamics | 49 | 1.9K | 34 | 27 |
| 51 | Genetics | 18 | 1.9K | 1306 | 854 |
| 52 | Environmental Engineering | 62 | 1.9K | 592 | 767 |
| 53 | System analysis | 46 | 1.8K | 422 | 289 |
| 54 | Mechatronics | 23 | 1.8K | 187 | 72 |
| 55 | industrial waste | 17 | 1.8K | 180 | 77 |
| 56 | Hazardous waste | 12 | 1.8K | 343 | 88 |
| 57 | radioactive waste | 11 | 1.8K | 300 | 81 |
| 58 | energy development | 2 | 1.8K | 1099 | 164 |
| 59 | Environmental monitoring | 36 | 1.8K | 1011 | 915 |
| 60 | Research | 75 | 1.7K | 1651 | 1812 |
| 61 | Dynamics | 33 | 1.7K | 308 | 80 |
| 62 | Biocompatible Materials | 51 | 1.7K | 910 | 1114 |
| 63 | Computer Vision | 25 | 1.7K | 282 | 231 |
| 64 | Mathematical Physics | 133 | 1.6K | 323 | 518 |
| 65 | Telecommunication Systems | 51 | 1.6K | 148 | 85 |
| 66 | Technology | 43 | 1.5K | 891 | 715 |
| 67 | Tourism | 41 | 1.5K | 255 | 362 |
| 67 | management | 42 | 1.5K | 862 | 963 |
| 69 | Electronics | 46 | 1.5K | 836 | 652 |
| 70 | Ultrasonics | 21 | 1.5K | 321 | 165 |
| 71 | Engineering | 57 | 1.5K | 803 | 676 |
| 72 | Toxicology | 20 | 1.5K | 1770 | 1141 |
| 73 | Materials | 69 | 1.4K | 1440 | 1688 |
| 74 | Economic History | 69 | 1.4K | 487 | 506 |
| 75 | Seismology | 40 | 1.4K | 59 | 60 |
| 76 | Energy Policy | 27 | 1.3K | 807 | 787 |
| 77 | Colloids | 33 | 1.3K | 1247 | 1156 |
| 78 | Environmental Policy | 24 | 1.3K | 1024 | 932 |
| 79 | Cytology | 16 | 1.3K | 1634 | 1252 |
| 80 | proteins | 22 | 1.3K | 634 | 405 |
| 81 | protein | 21 | 1.3K | 350 | 221 |
| 82 | Natural history | 5 | 1.3K | 2337 | 1679 |
| 83 | United States | 57 | 1.3K | 975 | 1052 |
| 84 | Production Management | 21 | 1.3K | 337 | 388 |
| 85 | Waste management | 44 | 1.3K | 151 | 111 |
| 86 | Molecular structure | 50 | 1.3K | 379 | 488 |
| 87 | Software Engineering | 8 | 1.2K | 592 | 171 |
| 88 | Communication | 23 | 1.2K | 648 | 466 |
| 89 | Economics | 88 | 1.2K | 749 | 949 |
| 90 | concrete | 13 | 1.2K | 385 | 279 |
| 91 | environmental protection | 36 | 1.2K | 848 | 938 |
| 92 | Geology | 42 | 1.2K | 836 | 793 |
| 93 | Medical Laboratory Science | 20 | 1.2K | 670 | 553 |
| 94 | Climatology | 27 | 1.2K | 487 | 470 |
| 95 | Cell Biology | 12 | 1.2K | 1701 | 1315 |
| 96 | Information Technology | 17 | 1.1K | 896 | 519 |
| 97 | Chemical industry | 28 | 1.1K | 279 | 123 |
| 98 | Microbiology | 31 | 1.1K | 1914 | 1916 |
| 99 | Europe | 44 | 1.1K | 672 | 622 |
| 100 | Water quality management | 36 | 1.1K | 310 | 251 |
| 100 | Earthquakes | 30 | 1.1K | 54 | 30 |
| 102 | Water Purification | 35 | 1.1K | 149 | 110 |
| 103 | Mathematics | 97 | 1.1K | 1306 | 1312 |
| 104 | Neurology | 50 | 1.1K | 1132 | 1437 |
| 105 | Sonochemistry | 15 | 1.1K | 134 | 100 |
| 106 | human behavior | 15 | 1.1K | 986 | 844 |
| 107 | Fluid Mechanics | 11 | 1.1K | 771 | 320 |
| 108 | Statistical physics | 72 | 1.1K | 767 | 985 |
| 109 | Robotics | 38 | 1.0K | 352 | 377 |
| 110 | Psychology | 67 | 998 | 916 | 1206 |
| 111 | Business | 15 | 990 | 944 | 797 |
| 112 | supercritical fluids | 8 | 981 | 202 | 62 |
| 113 | energy resources | 22 | 980 | 366 | 515 |
| 114 | Environmental Management | 15 | 966 | 1297 | 1058 |
| 115 | Structural Engineering | 27 | 960 | 491 | 396 |
| 116 | Cognition | 34 | 915 | 466 | 550 |
| 117 | Detectors | 8 | 911 | 901 | 265 |
| 118 | Earth Sciences | 20 | 905 | 1289 | 960 |
| 119 | Radio | 13 | 892 | 662 | 474 |
| 120 | Neuropsychology | 22 | 887 | 779 | 664 |
| 120 | Ocean Engineering | 25 | 887 | 546 | 482 |
| 122 | Brain | 21 | 886 | 963 | 875 |
| 123 | Process Control | 19 | 882 | 243 | 338 |
| 124 | Cement | 8 | 880 | 316 | 223 |
| 125 | city planning | 13 | 874 | 698 | 363 |
| 126 | Photochemistry | 26 | 868 | 412 | 385 |
| 127 | Child Development | 23 | 867 | 596 | 594 |
| 128 | Human-Computer Interaction | 26 | 857 | 303 | 313 |
| 129 | language | 22 | 853 | 213 | 207 |
| 130 | Social Psychology | 28 | 851 | 643 | 717 |
| 131 | Control Theory | 15 | 845 | 791 | 420 |
| 132 | Nanostructured Materials | 23 | 838 | 1202 | 1143 |
| 133 | Mobile Computing | 15 | 829 | 390 | 228 |
| 134 | Psychophysiology | 22 | 828 | 1012 | 989 |
| 135 | Social policy | 12 | 827 | 427 | 150 |
| 136 | biopolymers | 12 | 812 | 532 | 323 |
| 137 | Manufacturing Processes | 12 | 811 | 1138 | 681 |
| 138 | Astronomy | 50 | 809 | 784 | 1078 |
| 139 | pigments | 4 | 806 | 742 | 125 |
| 140 | natural disasters | 33 | 803 | 153 | 273 |
| 141 | Nervous system | 27 | 802 | 701 | 812 |
| 142 | Soft Condensed Matter | 10 | 801 | 557 | 300 |
| 143 | Meteorology | 16 | 787 | 878 | 793 |
| 144 | Neural circuitry | 20 | 780 | 659 | 594 |
| 145 | Sustainable Development | 17 | 770 | 651 | 583 |
| 146 | Neurophysiology | 24 | 759 | 960 | 1030 |
| 147 | Information Science | 16 | 739 | 1035 | 802 |
| 148 | Developing countries | 36 | 738 | 443 | 585 |
| 149 | Photobiology | 22 | 732 | 270 | 276 |
| 150 | Virology | 3 | 726 | 2188 | 1195 |
| 151 | Materials Science | 43 | 724 | 1266 | 1672 |
| 152 | Behavior | 17 | 708 | 1232 | 1279 |
| 153 | Integrated Circuits | 38 | 701 | 84 | 28 |
| 154 | Sun | 27 | 697 | 87 | 111 |
| 154 | Solar System | 27 | 697 | 218 | 261 |
| 156 | Neurons | 1 | 690 | 743 | 477 |
| 157 | Psycholinguistics | 10 | 682 | 488 | 336 |
| 158 | Cybernetics | 15 | 673 | 638 | 557 |
| 159 | behavioral medicine | 5 | 651 | 907 | 502 |
| 160 | Systems Engineering | 20 | 645 | 736 | 629 |
| 161 | Nanostructures | 13 | 633 | 872 | 751 |
| 162 | Linguistics | 14 | 632 | 585 | 338 |
| 163 | Regional Planning | 10 | 630 | 793 | 467 |
| 164 | Cytogenetics | 8 | 629 | 720 | 576 |
| 165 | Recycling | 6 | 589 | 356 | 291 |
| 166 | personality | 8 | 586 | 871 | 667 |
| 167 | Social Change | 17 | 584 | 267 | 459 |
| 168 | auditory perception | 17 | 580 | 91 | 115 |
| 169 | Social Sciences | 24 | 577 | 1088 | 903 |
| 170 | Medical Physics | 25 | 573 | 494 | 602 |
| 171 | Structural dynamics | 19 | 569 | 351 | 418 |
| 172 | Speech Perception | 16 | 567 | 84 | 106 |
| 173 | Nonlinear Dynamics | 34 | 566 | 621 | 781 |
| 174 | Environmental Toxicology | 11 | 553 | 1206 | 1024 |
| 175 | Computational Chemistry | 8 | 545 | 368 | 227 |
| 176 | pollutants | 11 | 543 | 886 | 759 |
| 176 | Environmental pollutants | 11 | 543 | 1114 | 893 |
| 178 | Speech | 7 | 540 | 583 | 341 |
| 179 | Biomass | 4 | 533 | 563 | 214 |
| 180 | Neurolinguistics | 4 | 529 | 362 | 167 |
| 181 | Rock deformation | 12 | 527 | 36 | 29 |
| 182 | Data Mining | 10 | 522 | 757 | 575 |
| 183 | Intelligent Transportation Systems | 10 | 509 | 538 | 481 |
| 184 | Organic Chemistry | 24 | 507 | 1213 | 1295 |
| 185 | Plastics | 23 | 502 | 477 | 489 |
| 186 | Psychiatry | 18 | 492 | 1541 | 1593 |
| 186 | Genomics | 21 | 492 | 1008 | 1231 |
| 186 | Bacteriology | 6 | 492 | 1183 | 898 |
| 189 | environmental exposure | 8 | 487 | 1130 | 784 |
| 190 | Immunology | 5 | 479 | 2002 | 1325 |
| 190 | sanitation | 6 | 479 | 993 | 932 |
| 192 | Fracture mechanics | 18 | 473 | 558 | 532 |
| 193 | Diagnostic Imaging | 13 | 468 | 759 | 652 |
| 194 | Economic Development | 19 | 464 | 497 | 712 |
| 195 | Biodiversity conservation | 2 | 459 | 1674 | 976 |
| 196 | hazard mitigation | 19 | 457 | 168 | 270 |
| 197 | Bioremediation | 8 | 442 | 379 | 246 |
| 197 | Sound | 18 | 442 | 330 | 295 |
| 199 | Sociology | 18 | 432 | 1137 | 1119 |
| 200 | social science | 5 | 431 | 102 | 73 |
| 201 | Solid State Physics | 32 | 421 | 1356 | 1620 |
| 201 | Cognitive neuroscience | 12 | 421 | 452 | 535 |
| 203 | Information Retrieval | 3 | 417 | 457 | 175 |
| 204 | Biomechanics | 18 | 416 | 425 | 538 |
| 205 | Political Science | 26 | 410 | 564 | 576 |
| 206 | Teaching | 8 | 407 | 1041 | 618 |
| 207 | Industrial Microbiology | 13 | 399 | 820 | 990 |
| 208 | Surface Chemistry | 19 | 387 | 1665 | 1929 |
| 208 | Ultrasound | 6 | 387 | 466 | 264 |
| 210 | Ultrasonic Imaging | 4 | 384 | 431 | 142 |
| 211 | internet | 11 | 381 | 737 | 710 |
| 212 | Geochemistry | 14 | 379 | 915 | 991 |
| 213 | Geomagnetism | 13 | 377 | 276 | 282 |
| 214 | Solar Energy | 8 | 376 | 1060 | 924 |
| 215 | Microfluidics | 8 | 374 | 79 | 49 |
| 216 | Wildlife conservation | 2 | 373 | 1222 | 652 |
| 217 | behavior therapy | 3 | 372 | 772 | 385 |
| 218 | Philosophy | 33 | 369 | 449 | 388 |
| 218 | Multimedia Systems | 5 | 369 | 1420 | 619 |
| 220 | Project Management | 2 | 366 | 346 | 195 |
| 220 | Digital electronics | 26 | 366 | 17 | 13 |
| 222 | marketing | 20 | 365 | 717 | 1025 |
| 223 | multimedia | 4 | 364 | 412 | 239 |
| 223 | Interactive multimedia | 4 | 364 | 475 | 244 |
| 225 | Information Theory | 15 | 363 | 575 | 597 |
| 226 | Speech Disorders | 3 | 359 | 904 | 453 |
| 227 | Pharmacology | 8 | 358 | 2662 | 2250 |
| 227 | Asia | 19 | 358 | 912 | 868 |
| 229 | Developmental Psychology | 8 | 354 | 588 | 524 |
| 230 | Condensed Matter | 29 | 353 | 1156 | 1497 |
| 231 | Health Information Management | 3 | 351 | 319 | 300 |
| 232 | vibration | 11 | 341 | 553 | 533 |
| 233 | Quantum electronics | 15 | 338 | 677 | 605 |
| 234 | Engineering Mathematics | 5 | 330 | 1511 | 666 |
| 234 | Social Issues | 4 | 330 | 212 | 108 |
| 234 | behavior modification | 1 | 330 | 581 | 266 |
| 234 | Social problems | 4 | 330 | 523 | 306 |
| 238 | Electrical Engineering | 23 | 327 | 1220 | 1117 |
| 239 | Lightweight concrete | 5 | 326 | 298 | 348 |
| 240 | Informatics | 9 | 324 | 411 | 365 |
| 241 | Public Policy | 10 | 317 | 864 | 828 |
| 242 | Human Geography | 8 | 315 | 636 | 466 |
| 242 | Engineering Geology | 10 | 315 | 740 | 725 |
| 242 | Flexible manufacturing systems | 9 | 315 | 147 | 123 |
| 245 | Educational Technology | 12 | 314 | 697 | 746 |
| 246 | Radiography | 4 | 313 | 567 | 507 |
| 247 | economic policy | 25 | 312 | 713 | 841 |
| 248 | Biodegradation | 4 | 310 | 614 | 330 |
| 249 | Neurobiology | 6 | 303 | 1030 | 995 |
| 249 | Cognitive Science | 13 | 303 | 644 | 890 |
| 249 | plasticity | 5 | 303 | 245 | 243 |
| 252 | Education | 22 | 301 | 1290 | 1464 |
| 253 | Language Acquisition | 10 | 300 | 101 | 83 |
| 254 | Mechanical Engineering | 20 | 294 | 945 | 942 |
| 255 | Industrial Engineering | 20 | 293 | 571 | 930 |
| 255 | Learning | 8 | 293 | 748 | 664 |
| 257 | Ecological Engineering | 1 | 291 | 1106 | 373 |
| 257 | enzymes | 5 | 291 | 1070 | 797 |
| 259 | biological evolution | 8 | 287 | 1147 | 1295 |
| 260 | Neurogenetics | 10 | 285 | 78 | 91 |
| 261 | finance | 19 | 278 | 898 | 1146 |
| 262 | Optics | 29 | 276 | 1537 | 1845 |
| 263 | Speech-Language Pathology | 4 | 275 | 219 | 77 |
| 263 | automatic speech recognition | 4 | 275 | 90 | 38 |
| 265 | energy conservation | 11 | 274 | 1010 | 1440 |
| 265 | Human Resources | 8 | 274 | 208 | 296 |
| 265 | human development | 10 | 274 | 398 | 480 |
| 268 | Radiation | 22 | 273 | 711 | 943 |
| 269 | Information Systems | 15 | 271 | 462 | 660 |
| 270 | Photonics | 13 | 269 | 938 | 1122 |
| 271 | Neuroplasticity | 8 | 265 | 68 | 101 |
| 272 | Geography | 5 | 262 | 1522 | 1094 |
| 272 | Environmental Chemistry | 12 | 262 | 928 | 1420 |
| 274 | Virtual reality | 7 | 259 | 194 | 168 |
| 274 | Exercise therapy | 4 | 259 | 358 | 97 |
| 276 | bioclimatology | 15 | 253 | 244 | 428 |
| 277 | Environmental Geology | 8 | 251 | 977 | 956 |
| 277 | solar power | 4 | 251 | 677 | 543 |
| 277 | solar cells | 4 | 251 | 736 | 589 |
| 280 | Child psychology | 12 | 249 | 648 | 920 |
| 280 | organization | 3 | 249 | 813 | 601 |
| 282 | Physiology | 6 | 246 | 2532 | 2261 |
| 283 | Computer Science | 18 | 244 | 681 | 843 |
| 283 | Computer Graphics | 15 | 244 | 704 | 873 |
| 285 | nucleic acids | 7 | 243 | 970 | 1074 |
| 286 | Production Engineering | 7 | 242 | 1284 | 933 |
| 287 | Transportation | 12 | 239 | 769 | 938 |
| 288 | mass transfer | 11 | 238 | 918 | 1088 |
| 289 | touch | 6 | 237 | 60 | 43 |
| 290 | nanoscience | 10 | 234 | 1597 | 1891 |
| 291 | Combinatorial optimization | 6 | 233 | 291 | 74 |
| 291 | Groundwater | 13 | 233 | 185 | 277 |
| 293 | Language Development | 3 | 232 | 111 | 30 |
| 294 | environmental indicators | 2 | 231 | 1385 | 876 |
| 295 | Career development | 4 | 228 | 341 | 135 |
| 296 | Electrochemistry | 22 | 222 | 1641 | 2102 |
| 297 | Nanoparticles | 5 | 220 | 1433 | 1211 |
| 298 | atmosphere | 3 | 218 | 746 | 448 |
| 299 | Molecular evolution | 5 | 215 | 1055 | 1024 |
| 300 | lasers | 11 | 213 | 1142 | 1108 |
| 300 | Immunity | 3 | 213 | 1403 | 1308 |
| 302 | Combustion | 6 | 209 | 862 | 761 |
| 303 | Bioorganic chemistry | 13 | 202 | 1353 | 1797 |
| 304 | Hydrology | 11 | 201 | 1208 | 1468 |
| 304 | Enzyme | 4 | 201 | 426 | 381 |
| 306 | Sustainable Engineering | 9 | 200 | 905 | 1175 |
| 307 | Public Health | 13 | 199 | 2391 | 2917 |
| 307 | emergency management | 9 | 199 | 277 | 397 |
| 307 | Computer-Aided Design | 18 | 199 | 361 | 674 |
| 307 | Technology Assessment | 4 | 199 | 288 | 324 |
| 311 | Early Childhood Education | 13 | 195 | 230 | 274 |
| 312 | History | 4 | 192 | 986 | 189 |
| 312 | Economic Thought | 4 | 192 | 259 | 297 |
| 312 | economic conditions | 4 | 192 | 418 | 345 |
| 315 | Microbial Ecology | 4 | 191 | 1670 | 1714 |
| 316 | biological factors | 10 | 190 | 996 | 1176 |
| 317 | Nanochemistry | 5 | 188 | 964 | 704 |
| 318 | Autonomous robots | 8 | 186 | 64 | 132 |
| 319 | Oceanography | 3 | 183 | 1517 | 1109 |
| 320 | Financial Institutions | 5 | 182 | 255 | 191 |
| 321 | Metals | 11 | 178 | 1049 | 1296 |
| 322 | Archaeology | 4 | 177 | 1098 | 701 |
| 322 | Civil Engineering | 12 | 177 | 674 | 568 |
| 322 | Hydraulic Engineering | 5 | 177 | 648 | 540 |
| 325 | Intercultural Communication | 11 | 174 | 124 | 243 |
| 325 | Energy Storage | 8 | 174 | 718 | 888 |
| 327 | Public Administration | 6 | 173 | 942 | 757 |
| 328 | actuators | 10 | 172 | 1227 | 1680 |
| 328 | transducers | 10 | 172 | 1227 | 1680 |
| 330 | psychotherapy | 8 | 171 | 713 | 813 |
| 331 | Ethics | 3 | 168 | 919 | 442 |
| 331 | conflict management | 2 | 168 | 318 | 184 |
| 333 | Municipal Engineering | 9 | 166 | 89 | 176 |
| 334 | Histology | 6 | 165 | 1176 | 1251 |
| 335 | Telecommunications | 9 | 164 | 315 | 316 |
| 335 | International Finance | 11 | 164 | 881 | 1183 |
| 337 | International Relations | 4 | 162 | 882 | 511 |
| 338 | Sports Medicine | 2 | 161 | 2501 | 1400 |
| 339 | eugenics | 2 | 159 | 621 | 318 |
| 340 | Pharmaceutical Chemistry | 12 | 158 | 1749 | 2345 |
| 340 | bats | 8 | 158 | 29 | 32 |
| 340 | Culture | 10 | 158 | 539 | 466 |
| 343 | Computer Engineering | 9 | 155 | 417 | 503 |
| 343 | Child | 11 | 155 | 1086 | 1437 |
| 343 | Human Capital | 5 | 155 | 140 | 169 |
| 346 | Atmospheric Physics | 10 | 154 | 810 | 1152 |
| 347 | Physical organic chemistry | 12 | 152 | 707 | 956 |
| 347 | Japan | 7 | 152 | 1098 | 976 |
| 349 | Respiration | 1 | 150 | 1744 | 1025 |
| 350 | Imaging systems | 11 | 149 | 260 | 311 |
| 351 | Drug design | 2 | 148 | 1699 | 1129 |
| 351 | Aging | 4 | 148 | 1953 | 1636 |
| 353 | Animal Behavior | 5 | 147 | 1343 | 1452 |
| 353 | Genetic algorithms | 1 | 147 | 543 | 390 |
| 353 | Evolutionary Computation | 1 | 147 | 833 | 503 |
| 353 | Personality Disorders | 1 | 147 | 434 | 212 |
| 357 | Soil Mechanics | 5 | 146 | 816 | 799 |
| 357 | Magnetic Resonance Imaging | 8 | 146 | 202 | 268 |
| 357 | Physical Chemistry | 15 | 146 | 971 | 1531 |
| 360 | Botany | 4 | 145 | 2889 | 2721 |
| 360 | Database Management | 3 | 145 | 749 | 560 |
| 362 | Organizational Behavior | 4 | 144 | 482 | 579 |
| 363 | Risk Management | 3 | 143 | 645 | 462 |
| 363 | Quantitative Research | 5 | 143 | 159 | 205 |
| 363 | Oral communication | 4 | 143 | 365 | 246 |
| 363 | Quantum theory | 14 | 143 | 415 | 643 |
| 367 | Molecular Genetics | 12 | 142 | 837 | 1487 |
| 368 | Metallurgy | 8 | 141 | 1378 | 1400 |
| 369 | Sites | 2 | 140 | 638 | 493 |
| 369 | Attention | 9 | 140 | 804 | 1055 |
| 371 | micromechanics | 10 | 139 | 275 | 440 |
| 372 | Medical Imaging | 7 | 137 | 157 | 190 |
| 373 | Light | 4 | 136 | 752 | 895 |
| 373 | Radio waves | 6 | 136 | 599 | 689 |
| 375 | Game Theory | 9 | 135 | 277 | 339 |
| 376 | gene mapping | 11 | 133 | 862 | 1569 |
| 377 | Soil Science | 2 | 132 | 2048 | 1508 |
| 377 | Applied Linguistics | 11 | 132 | 237 | 333 |
| 377 | Memory | 8 | 132 | 915 | 1209 |
| 380 | Fiber Optics | 8 | 131 | 543 | 661 |
| 380 | planning | 4 | 131 | 632 | 448 |
| 382 | mycoses | 1 | 129 | 1096 | 774 |
| 382 | Bacterial infections | 1 | 129 | 1165 | 767 |
| 382 | Host-parasite interactions | 1 | 129 | 1557 | 1128 |
| 382 | educational innovations | 1 | 129 | 959 | 422 |
| 386 | Internet of Things | 6 | 127 | 760 | 1000 |
| 386 | Growth | 4 | 127 | 836 | 1061 |
| 388 | Hospitality industry | 5 | 126 | 246 | 291 |
| 389 | Marine Biology | 6 | 125 | 1728 | 1944 |
| 389 | clay | 4 | 125 | 679 | 819 |
| 391 | Human biology | 2 | 124 | 778 | 398 |
| 392 | Gender Studies | 3 | 122 | 528 | 378 |
| 392 | Economic planning | 2 | 122 | 682 | 398 |
| 394 | Analytical Chemistry | 8 | 121 | 2580 | 3090 |
| 394 | Natural resources | 3 | 121 | 714 | 679 |
| 394 | Hydrodynamics | 3 | 121 | 549 | 515 |
| 397 | Anxiety Disorders | 1 | 118 | 745 | 572 |
| 397 | Mood Disorders | 1 | 118 | 22 | 18 |
| 399 | Pediatrics | 7 | 117 | 1267 | 1668 |
| 399 | Hydrogeology | 4 | 117 | 543 | 523 |
| 399 | Cerebral cortex | 2 | 117 | 934 | 804 |
| 399 | Catalysts | 5 | 117 | 507 | 518 |
| 403 | Perception | 8 | 116 | 945 | 1222 |
| 404 | Ergonomics | 6 | 115 | 634 | 668 |
| 404 | Numerical Analysis | 12 | 115 | 1273 | 1551 |
| 406 | Probability | 1 | 114 | 950 | 461 |
| 406 | Educational Psychology | 11 | 114 | 715 | 1144 |
| 406 | Financial management | 1 | 114 | 819 | 489 |
| 406 | Risk | 1 | 114 | 876 | 483 |
| 410 | Structure-activity relationship | 9 | 113 | 54 | 222 |
| 411 | Plant tissue culture | 1 | 112 | 1109 | 616 |
| 411 | viruses | 1 | 112 | 1597 | 1223 |
| 411 | Plant cell culture | 1 | 112 | 1032 | 608 |
| 414 | Political Psychology | 3 | 111 | 358 | 383 |
| 414 | Second Language Acquisition | 6 | 111 | 97 | 222 |
| 414 | technical education | 10 | 111 | 280 | 476 |
| 414 | Development | 5 | 111 | 571 | 809 |
| 414 | health planning | 9 | 111 | 1256 | 1632 |
| 414 | Agriculture | 3 | 111 | 2033 | 1673 |
| 420 | International security | 1 | 110 | 370 | 234 |
| 420 | peace | 1 | 110 | 782 | 417 |
| 422 | Statistics | 10 | 109 | 1456 | 1589 |
| 422 | Nuclear Engineering | 8 | 109 | 894 | 919 |
| 424 | Small Business | 1 | 107 | 1143 | 936 |
| 424 | water supply | 6 | 107 | 566 | 837 |
| 426 | Environmental Microbiology | 1 | 106 | 1928 | 1429 |
| 426 | Systems Biology | 3 | 106 | 1311 | 1207 |
| 426 | cell physiology | 3 | 106 | 1226 | 1349 |
| 429 | radiative transfer | 8 | 105 | 343 | 418 |
| 429 | place marketing | 2 | 105 | 136 | 178 |
| 429 | Water chemistry | 4 | 105 | 215 | 205 |
| 432 | Industrial Safety | 6 | 104 | 791 | 977 |
| 432 | Chemical kinetics | 10 | 104 | 303 | 364 |
| 432 | land tenure | 2 | 104 | 83 | 52 |
| 432 | Land reform | 2 | 104 | 83 | 52 |
| 436 | Memory disorders | 6 | 103 | 168 | 263 |
| 436 | Digital humanities | 4 | 103 | 68 | 51 |
| 436 | Mycology | 1 | 103 | 2027 | 1302 |
| 436 | Fungi | 1 | 103 | 1425 | 983 |
| 440 | Queer Studies | 1 | 102 | 561 | 283 |
| 440 | families | 8 | 102 | 482 | 620 |
| 440 | homosexuality | 1 | 102 | 710 | 360 |
| 440 | world | 3 | 102 | 694 | 848 |
| 444 | color | 3 | 101 | 232 | 152 |
| 445 | Ophthalmology | 6 | 100 | 1097 | 1280 |
| 445 | Signal Transduction | 4 | 100 | 1106 | 1350 |
| 447 | Engineering Ethics | 1 | 99 | 384 | 169 |
| 447 | Organometallic chemistry | 7 | 99 | 1450 | 1610 |
| 447 | Professional ethics | 1 | 99 | 554 | 220 |
| 447 | psychophysics | 7 | 99 | 212 | 242 |
| 447 | Family | 7 | 99 | 585 | 774 |
| 452 | Physical Geography | 4 | 98 | 415 | 428 |
| 452 | Biological Systems | 7 | 98 | 252 | 496 |
| 454 | ecosystem | 2 | 97 | 1450 | 1359 |
| 454 | Economic Assistance | 4 | 97 | 571 | 799 |
| 456 | Social Choice Theory | 5 | 96 | 167 | 148 |
| 456 | Conservation Biology | 2 | 96 | 1296 | 1055 |
| 456 | Welfare Economics | 5 | 96 | 326 | 384 |
| 459 | Traffic Engineering | 5 | 95 | 285 | 464 |
| 459 | Water Conservation | 1 | 95 | 170 | 85 |
| 461 | Neurochemistry | 5 | 94 | 1579 | 1896 |
| 461 | Labor Economics | 4 | 94 | 422 | 434 |
| 461 | International Education | 2 | 94 | 331 | 203 |
| 461 | machinery | 3 | 94 | 815 | 641 |
| 461 | Ethnology | 8 | 94 | 844 | 940 |
| 466 | Hematology | 6 | 93 | 1163 | 1476 |
| 466 | Fluid Dynamics | 5 | 93 | 843 | 925 |
| 468 | Econometrics | 8 | 92 | 861 | 984 |
| 469 | Pathology | 4 | 91 | 1366 | 1568 |
| 469 | intergroup relations | 2 | 91 | 243 | 217 |
| 469 | Reading | 2 | 91 | 681 | 539 |
| 469 | Climate | 4 | 91 | 467 | 616 |
| 469 | weather | 4 | 91 | 458 | 573 |
| 469 | Peasants | 2 | 91 | 123 | 108 |
| 475 | Electronic Packaging | 2 | 90 | 268 | 167 |
| 475 | Transnational corporations | 2 | 90 | 514 | 391 |
| 475 | isomerism | 8 | 90 | 127 | 241 |
| 475 | United Kingdom | 5 | 90 | 1015 | 1274 |
| 475 | Chirality | 8 | 90 | 127 | 241 |
| 480 | Nutrition | 5 | 89 | 2782 | 3251 |
| 480 | Semantics | 7 | 89 | 94 | 154 |
| 480 | Nonlinear systems | 5 | 89 | 445 | 493 |
| 483 | Energy Conversion | 4 | 88 | 1034 | 1391 |
| 483 | Water quality | 3 | 88 | 178 | 161 |
| 485 | children | 5 | 87 | 332 | 471 |
| 486 | econometric models | 7 | 86 | 322 | 656 |
| 487 | Democracy | 6 | 82 | 173 | 176 |
| 487 | Lipids | 3 | 82 | 1163 | 1303 |
| 489 | Chromosome mapping | 3 | 81 | 1515 | 1718 |
| 489 | Business Ethics | 1 | 81 | 1539 | 1336 |
| 489 | regional security | 5 | 81 | 33 | 31 |
| 489 | Muscles | 6 | 81 | 516 | 836 |
| 489 | Fuzzy systems | 6 | 81 | 1199 | 1266 |
| 489 | regional cooperation | 5 | 81 | 33 | 31 |
| 495 | Food service management | 5 | 80 | 277 | 669 |
| 495 | Marine Pollution | 3 | 80 | 1188 | 1371 |
| 495 | commerce | 8 | 80 | 916 | 1425 |
| 495 | Electromagnetic fields | 4 | 80 | 297 | 119 |
| 499 | Population Genetics | 2 | 79 | 1261 | 1290 |
| 499 | Nonprofit organizations | 2 | 79 | 456 | 361 |
| 499 | Cellulose | 2 | 79 | 781 | 735 |
| 499 | Biodiversity | 3 | 79 | 2075 | 1991 |
| 503 | Erectile dysfunction | 2 | 78 | 286 | 225 |
| 503 | Synaptic Transmission | 3 | 78 | 423 | 496 |
| 503 | movement | 2 | 78 | 426 | 408 |
| 503 | Diet | 3 | 78 | 1681 | 2119 |
| 507 | Electrophysiology | 3 | 77 | 845 | 759 |
| 508 | Endocrinology | 2 | 76 | 2461 | 2354 |
| 508 | Systems Analysis | 7 | 76 | 714 | 1036 |
| 508 | Structural biology | 3 | 76 | 38 | 90 |
| 508 | Islam | 3 | 76 | 480 | 269 |
| 508 | data protection | 6 | 76 | 323 | 452 |
| 513 | Measurement | 7 | 75 | 866 | 1300 |
| 514 | coal | 5 | 74 | 1246 | 1886 |
| 515 | structural stability | 2 | 73 | 390 | 409 |
| 515 | Investment analysis | 2 | 73 | 1239 | 926 |
| 515 | Vision | 6 | 73 | 447 | 699 |
| 515 | Microwaves | 6 | 73 | 948 | 1015 |
| 515 | Developed countries | 2 | 73 | 298 | 280 |
| 520 | blood substitutes | 1 | 72 | 143 | 47 |
| 520 | Obesity | 5 | 72 | 1278 | 1858 |
| 520 | organizational effectiveness | 3 | 72 | 433 | 456 |
| 520 | software | 7 | 72 | 616 | 1236 |
| 520 | child abuse | 1 | 72 | 1222 | 923 |
| 520 | artificial cells | 1 | 72 | 178 | 55 |
| 526 | Highway Engineering | 4 | 71 | 317 | 382 |
| 526 | Geothermal Energy | 2 | 71 | 328 | 284 |
| 526 | Simulation Methods | 7 | 71 | 585 | 981 |
| 529 | Mathematics Education | 2 | 70 | 620 | 366 |
| 529 | Environmental Education | 3 | 70 | 351 | 402 |
| 529 | fuel cells | 4 | 70 | 1049 | 1402 |
| 532 | Green Chemistry | 3 | 69 | 1600 | 2007 |
| 532 | Pediatric Neurology | 2 | 69 | 817 | 1008 |
| 532 | Mental Disorders | 5 | 69 | 1844 | 2387 |
| 532 | Medical Ethics | 2 | 69 | 1282 | 881 |
| 532 | Labor Supply | 1 | 69 | 147 | 112 |
| 532 | Microprocessors | 8 | 69 | 317 | 533 |
| 532 | Cheminformatics | 7 | 69 | 116 | 460 |
| 539 | Structural design | 6 | 68 | 565 | 829 |
| 539 | Microbial Biotechnology | 3 | 68 | 1040 | 1212 |
| 539 | Smart Materials | 8 | 68 | 525 | 948 |
| 539 | locomotion | 21 | 68 | 118 | 687 |
| 539 | posture | 21 | 68 | 118 | 687 |
| 539 | Neuromuscular diseases | 5 | 68 | 416 | 608 |
| 539 | optical pattern recognition | 4 | 68 | 84 | 67 |
| 539 | Liposomes | 2 | 68 | 733 | 657 |
| 539 | gait | 21 | 68 | 118 | 687 |
| 539 | walking | 21 | 68 | 118 | 687 |
| 549 | carbon monoxide | 3 | 67 | 331 | 566 |
| 550 | Agricultural Chemistry | 2 | 66 | 2386 | 2257 |
| 551 | Metabolism | 1 | 65 | 2547 | 2249 |
| 551 | Metabolic diseases | 1 | 65 | 2290 | 1973 |
| 551 | Yugoslavia | 10 | 65 | 23 | 19 |
| 551 | ozone | 4 | 65 | 77 | 110 |
| 551 | mammals | 2 | 65 | 1165 | 931 |
| 556 | Biogeography | 1 | 64 | 1381 | 1239 |
| 557 | Nondestructive testing | 1 | 63 | 1088 | 674 |
| 557 | Organizational change | 3 | 63 | 752 | 797 |
| 557 | Land use | 2 | 63 | 1362 | 1402 |
| 557 | Antioxidants | 2 | 63 | 823 | 1009 |
| 557 | Mechanics | 6 | 63 | 933 | 1133 |
| 557 | Oxidation-reduction | 2 | 63 | 853 | 1100 |
| 563 | Democratization | 2 | 62 | 177 | 165 |
| 563 | civilization | 9 | 62 | 584 | 398 |
| 563 | men | 1 | 62 | 597 | 330 |
| 563 | Crystal growth | 3 | 62 | 1017 | 1132 |
| 563 | cardiac catheterization | 1 | 62 | 760 | 469 |
| 563 | social evolution | 3 | 62 | 10 | 18 |
| 563 | masculinity | 1 | 62 | 209 | 141 |
| 570 | particles | 4 | 61 | 870 | 1144 |
| 570 | Granular materials | 4 | 61 | 491 | 808 |
| 570 | mathematical analysis | 10 | 61 | 1528 | 1868 |
| 573 | Humanities | 10 | 60 | 873 | 1471 |
| 573 | Forecasting | 3 | 60 | 542 | 597 |
| 573 | Microfabrication | 4 | 60 | 266 | 365 |
| 573 | Feminist theory | 3 | 60 | 202 | 177 |
| 573 | Solitons | 8 | 60 | 678 | 1309 |
| 573 | Fractals | 8 | 60 | 681 | 1311 |
| 573 | Shape Memory Alloys | 3 | 60 | 41 | 41 |
| 573 | elasticity | 3 | 60 | 232 | 243 |
| 573 | Chaos | 8 | 60 | 678 | 1309 |
| 573 | Shape memory polymers | 3 | 60 | 41 | 41 |
| 573 | Shape Memory Effect | 3 | 60 | 41 | 41 |
| 573 | Pacific Islands | 1 | 60 | 599 | 225 |
| 585 | Zoology | 3 | 59 | 2302 | 2118 |
| 585 | Systems Theory | 6 | 59 | 206 | 265 |
| 585 | Socialization | 3 | 59 | 542 | 777 |
| 588 | ethnicity | 8 | 58 | 355 | 589 |
| 588 | Optical materials | 4 | 58 | 2114 | 2600 |
| 588 | Post-traumatic stress disorder | 2 | 58 | 865 | 896 |
| 591 | Oncology | 1 | 57 | 2454 | 2277 |
| 591 | Combinatorial chemistry | 2 | 57 | 811 | 995 |
| 591 | Nonlinear functional analysis | 5 | 57 | 954 | 1163 |
| 591 | Wireless Communication | 6 | 57 | 250 | 415 |
| 591 | Political Parties | 2 | 57 | 242 | 263 |
| 591 | Knowledge | 6 | 57 | 344 | 418 |
| 597 | Health Services Administration | 3 | 56 | 963 | 1072 |
| 597 | Genetic engineering | 3 | 56 | 1788 | 2122 |
| 597 | Developmental Biology | 3 | 56 | 1628 | 2040 |
| 597 | space environment | 1 | 56 | 297 | 238 |
| 601 | Organizational learning | 4 | 55 | 281 | 463 |
| 601 | soil conservation | 1 | 55 | 1319 | 1029 |
| 601 | land degradation | 1 | 55 | 902 | 732 |
| 601 | degradation | 1 | 55 | 902 | 732 |
| 605 | Quality of life | 2 | 54 | 1648 | 1766 |
| 606 | Ecological Genetics | 1 | 53 | 1068 | 650 |
| 606 | Neuropsychiatry | 3 | 53 | 735 | 890 |
| 606 | Urban Geography | 2 | 53 | 298 | 286 |
| 606 | Intelligence | 2 | 53 | 304 | 348 |
| 606 | China | 6 | 53 | 1973 | 2807 |
| 606 | Export Marketing | 4 | 53 | 141 | 397 |
| 612 | Anthropology | 3 | 52 | 1436 | 1368 |
| 612 | economic forecasting | 3 | 52 | 304 | 462 |
| 612 | Nationalism | 4 | 52 | 282 | 311 |
| 612 | Technological Innovations | 3 | 52 | 1058 | 1342 |
| 612 | Reproduction | 3 | 52 | 1836 | 2000 |
| 612 | Diplomatic relations | 3 | 52 | 639 | 404 |
| 612 | Women's health | 2 | 52 | 1504 | 1350 |
| 619 | Molecular Pharmacology | 2 | 51 | 886 | 1057 |
| 619 | microwave antennas | 5 | 51 | 269 | 345 |
| 619 | Microscopy | 2 | 51 | 1602 | 1347 |
| 622 | Immunopathology | 2 | 50 | 1085 | 1216 |
| 622 | Surface-Active Agents | 4 | 50 | 978 | 1641 |
| 622 | foreign policy | 2 | 50 | 333 | 139 |
| 622 | Mass Spectrometry | 1 | 50 | 1512 | 1147 |
| 622 | Child welfare | 5 | 50 | 837 | 1199 |
| 622 | Knowledge management | 3 | 50 | 388 | 419 |
| 622 | Ethology | 2 | 50 | 1503 | 1781 |
| 622 | Drug delivery systems | 3 | 50 | 1497 | 1872 |
| 622 | Socialism | 2 | 50 | 253 | 186 |
| 622 | Surface properties | 4 | 50 | 1033 | 1691 |
| 622 | natural products | 2 | 50 | 2053 | 1817 |
| 622 | Middle East | 12 | 50 | 385 | 907 |
| 634 | Real-time Data Processing | 2 | 49 | 160 | 159 |
| 634 | Freeze-Drying | 2 | 49 | 466 | 485 |
| 634 | Hypothermia | 2 | 49 | 466 | 485 |
| 634 | Freeze Drying | 2 | 49 | 466 | 485 |
| 634 | industrial relations | 2 | 49 | 1012 | 867 |
| 634 | Cancer | 2 | 49 | 2577 | 2901 |
| 640 | Immunotherapy | 2 | 48 | 1702 | 1902 |
| 640 | Medical Anthropology | 3 | 48 | 1147 | 1650 |
| 640 | global environmental change | 3 | 48 | 774 | 1221 |
| 640 | brain mapping | 1 | 48 | 799 | 835 |
| 644 | Distance Education | 2 | 47 | 469 | 541 |
| 644 | air quality management | 1 | 47 | 976 | 795 |
| 644 | Hemophilia | 5 | 47 | 256 | 369 |
| 644 | Organometallic compounds | 4 | 47 | 1167 | 1448 |
| 644 | peptides | 4 | 47 | 651 | 903 |
| 644 | Capitalism | 1 | 47 | 387 | 211 |
| 644 | health services | 1 | 47 | 1588 | 1171 |
| 644 | violence | 1 | 47 | 1487 | 1193 |
| 644 | Aggression | 1 | 47 | 811 | 714 |
| 644 | Immune system | 1 | 47 | 1195 | 1142 |
| 654 | Functional Analysis | 4 | 46 | 1218 | 1323 |
| 654 | Adaptive control systems | 2 | 46 | 765 | 652 |
| 654 | individual differences | 3 | 46 | 290 | 516 |
| 654 | free radicals | 1 | 46 | 1665 | 1726 |
| 658 | Tribology | 2 | 45 | 1285 | 1291 |
| 658 | Political Participation | 3 | 45 | 337 | 422 |
| 658 | Computer Literacy | 3 | 45 | 198 | 361 |
| 661 | Geometry | 6 | 44 | 872 | 921 |
| 661 | Development Economics | 4 | 44 | 332 | 551 |
| 661 | Clinical Chemistry | 2 | 44 | 2419 | 2650 |
| 661 | Computational Linguistics | 2 | 44 | 741 | 496 |
| 661 | Chemical structure | 6 | 44 | 267 | 500 |
| 661 | disaster relief | 2 | 44 | 254 | 337 |
| 661 | biological monitoring | 2 | 44 | 620 | 779 |
| 661 | Emotions | 3 | 44 | 592 | 849 |
| 669 | Marine Ecology | 2 | 43 | 896 | 903 |
| 669 | Music | 5 | 43 | 657 | 818 |
| 669 | Computational Fluid Dynamics | 1 | 43 | 1016 | 819 |
| 669 | Roads | 5 | 43 | 510 | 632 |
| 669 | race relations | 4 | 43 | 516 | 683 |
| 674 | Multicultural Education | 1 | 42 | 730 | 461 |
| 674 | Amyotrophic Lateral Sclerosis | 4 | 42 | 164 | 334 |
| 674 | Environmentalism | 1 | 42 | 296 | 305 |
| 674 | miniaturization | 2 | 42 | 1964 | 2179 |
| 678 | Materials Engineering | 3 | 41 | 758 | 842 |
| 678 | Analytical Biochemistry | 4 | 41 | 1448 | 1964 |
| 678 | data collection | 1 | 41 | 1736 | 1467 |
| 678 | cell interaction | 2 | 41 | 1103 | 1375 |
| 678 | Spain | 1 | 41 | 680 | 166 |
| 683 | Agricultural Engineering | 2 | 40 | 538 | 679 |
| 683 | Decision making | 7 | 40 | 863 | 1784 |
| 683 | economic development projects | 3 | 40 | 159 | 281 |
| 686 | Evolution | 3 | 39 | 1635 | 2165 |
| 687 | Obstetrics | 2 | 38 | 2010 | 2139 |
| 687 | Computer Architecture | 7 | 38 | 310 | 585 |
| 687 | Psychopharmacology | 4 | 38 | 1067 | 1621 |
| 687 | biofuels | 1 | 38 | 474 | 707 |
| 687 | Learning disabilities | 3 | 38 | 783 | 1018 |
| 692 | Historic Preservation | 2 | 37 | 162 | 154 |
| 692 | Frontotemporal lobar degeneration | 3 | 37 | 162 | 272 |
| 692 | preventive medicine | 1 | 37 | 1638 | 1502 |
| 692 | Feminism | 4 | 37 | 500 | 686 |
| 692 | Molecules | 10 | 37 | 853 | 1510 |
| 692 | Fisheries | 3 | 37 | 1481 | 1753 |
| 698 | Epidemiology | 3 | 36 | 2953 | 3646 |
| 698 | Cosmology | 5 | 36 | 470 | 746 |
| 698 | Sociolinguistics | 2 | 36 | 568 | 564 |
| 698 | international trade | 3 | 36 | 754 | 938 |
| 702 | Community Psychology | 4 | 35 | 465 | 776 |
| 702 | Social History | 2 | 35 | 656 | 450 |
| 702 | consumer behavior | 2 | 35 | 684 | 962 |
| 702 | Synthetic biology | 2 | 35 | 366 | 522 |
| 706 | Pharmacognosy | 1 | 34 | 2501 | 2513 |
| 706 | Algebra | 12 | 34 | 813 | 1226 |
| 706 | Histochemistry | 2 | 34 | 1125 | 1220 |
| 706 | Energy Consumption | 1 | 34 | 707 | 752 |
| 706 | Molecular Spectroscopy | 2 | 34 | 2061 | 2246 |
| 706 | counseling | 4 | 34 | 1058 | 1520 |
| 706 | Social behavior | 3 | 34 | 1121 | 1512 |
| 706 | Phylogeny | 2 | 34 | 1021 | 1386 |
| 714 | Medical Technology | 4 | 33 | 1251 | 2079 |
| 714 | Political Geography | 2 | 33 | 377 | 462 |
| 714 | Neonatology | 1 | 33 | 939 | 823 |
| 714 | Quality Control | 3 | 33 | 1716 | 2441 |
| 714 | Microeconomics | 2 | 33 | 412 | 423 |
| 714 | Geodesy | 6 | 33 | 470 | 1080 |
| 714 | Critical theory | 6 | 33 | 73 | 207 |
| 714 | Membranes | 2 | 33 | 1709 | 2120 |
| 722 | Economic Theory | 1 | 32 | 186 | 167 |
| 722 | Kinetics | 4 | 32 | 402 | 717 |
| 722 | Soil stabilization | 1 | 32 | 32 | 19 |
| 722 | Strategic planning | 2 | 32 | 958 | 1151 |
| 722 | Magnetic Resonance Spectroscopy | 6 | 32 | 789 | 1187 |
| 722 | Visual Perception | 3 | 32 | 1256 | 1655 |
| 722 | Finite Element Method | 1 | 32 | 568 | 515 |
| 722 | Cell death | 1 | 32 | 1313 | 1530 |
| 722 | arthritis | 1 | 32 | 1226 | 1373 |
| 731 | Embryology | 2 | 31 | 1384 | 1739 |
| 731 | Oral Medicine | 2 | 31 | 875 | 918 |
| 731 | Hemostasis | 1 | 31 | 927 | 853 |
| 731 | Thrombosis | 1 | 31 | 1160 | 1153 |
| 731 | Translation | 3 | 31 | 154 | 118 |
| 731 | Shock Waves | 2 | 31 | 215 | 221 |
| 731 | Language planning | 1 | 31 | 345 | 178 |
| 731 | telemarketing | 1 | 31 | 231 | 284 |
| 731 | environmental issues | 2 | 31 | 540 | 822 |
| 740 | Musicology | 4 | 30 | 160 | 236 |
| 740 | embryonic development | 1 | 30 | 657 | 678 |
| 740 | Radio wave propagation | 4 | 30 | 609 | 863 |
| 740 | election law | 2 | 30 | 322 | 373 |
| 740 | exobiology | 2 | 30 | 351 | 515 |
| 740 | Documentation | 1 | 30 | 484 | 388 |
| 740 | libraries | 1 | 30 | 952 | 635 |
| 740 | Elections | 2 | 30 | 412 | 445 |
| 740 | population geography | 1 | 30 | 669 | 649 |
| 740 | Voting | 2 | 30 | 299 | 361 |
| 750 | Software Maintenance | 2 | 29 | 245 | 268 |
| 750 | Rural Development | 1 | 29 | 903 | 849 |
| 750 | Cultural Anthropology | 1 | 29 | 180 | 138 |
| 750 | Differential Equations | 1 | 29 | 1549 | 1164 |
| 750 | Brain-Computer Interfaces | 1 | 29 | 106 | 74 |
| 750 | Multivariate Analysis | 1 | 29 | 880 | 761 |
| 750 | Sensor Networks | 2 | 29 | 346 | 376 |
| 750 | Gender identity | 3 | 29 | 301 | 402 |
| 750 | Semigroups | 5 | 29 | 196 | 248 |
| 750 | Transport | 2 | 29 | 696 | 990 |
| 750 | Sea | 2 | 29 | 628 | 850 |
| 750 | Fishery resources | 2 | 29 | 700 | 925 |
| 750 | Classification | 1 | 29 | 554 | 396 |
| 763 | Mathematical Economics | 2 | 28 | 383 | 417 |
| 763 | Religion | 3 | 28 | 902 | 731 |
| 763 | nuclear astrophysics | 3 | 28 | 498 | 698 |
| 763 | Entropy | 4 | 28 | 1050 | 1546 |
| 763 | scientific research | 6 | 28 | 25 | 76 |
| 768 | Urban Policy | 3 | 27 | 877 | 1453 |
| 768 | Geopolitics | 3 | 27 | 255 | 428 |
| 768 | Inclusive Education | 1 | 27 | 376 | 368 |
| 768 | Solid State Chemistry | 3 | 27 | 2351 | 2823 |
| 768 | Computational Intelligence | 3 | 27 | 677 | 1033 |
| 768 | Law and Economics | 2 | 27 | 397 | 382 |
| 768 | Corporate governance | 1 | 27 | 1097 | 1117 |
| 768 | Polymer Networks | 2 | 27 | 16 | 48 |
| 768 | Polymer Colloids | 2 | 27 | 16 | 48 |
| 768 | Family Therapy | 4 | 27 | 605 | 995 |
| 768 | Integration | 1 | 27 | 361 | 364 |
| 768 | North America | 4 | 27 | 684 | 1098 |
| 768 | corporate culture | 1 | 27 | 412 | 460 |
| 768 | probabilities | 6 | 27 | 978 | 1299 |
| 782 | Educational Research | 4 | 26 | 45 | 179 |
| 782 | Popular culture | 1 | 26 | 931 | 493 |
| 782 | cultural policy | 1 | 26 | 403 | 320 |
| 782 | Enzyme inhibitors | 2 | 26 | 530 | 813 |
| 782 | Bioinorganic chemistry | 2 | 26 | 1558 | 1904 |
| 782 | Molecular ecology | 1 | 26 | 1400 | 1767 |
| 782 | Consciousness | 1 | 26 | 813 | 714 |
| 789 | Engineering Economics | 1 | 25 | 196 | 110 |
| 789 | Pharmacogenetics | 1 | 25 | 1186 | 1302 |
| 789 | Genetic Research | 1 | 25 | 323 | 329 |
| 789 | Public Finance | 2 | 25 | 258 | 252 |
| 789 | child mental health | 3 | 25 | 462 | 787 |
| 789 | Europa | 2 | 25 | 623 | 802 |
| 795 | Cognitive Psychology | 3 | 24 | 447 | 609 |
| 795 | Vocational Education | 1 | 24 | 849 | 776 |
| 795 | Advertising | 1 | 24 | 549 | 666 |
| 795 | European integration | 2 | 24 | 264 | 366 |
| 795 | Zeolites | 1 | 24 | 1408 | 1631 |
| 795 | Vocational guidance | 1 | 24 | 1389 | 1381 |
| 795 | cultural pluralism | 2 | 24 | 543 | 686 |
| 795 | Australia | 3 | 24 | 1761 | 2369 |
| 795 | European Economic Community | 2 | 24 | 264 | 366 |
| 804 | Literature | 7 | 23 | 493 | 332 |
| 804 | Eating Disorders | 2 | 23 | 915 | 1233 |
| 804 | Feeding and Eating Disorders | 2 | 23 | 885 | 1189 |
| 807 | Clinical Psychology | 5 | 22 | 868 | 1663 |
| 807 | Neurosurgery | 2 | 22 | 936 | 1251 |
| 807 | Cross-Cultural Studies | 1 | 22 | 1284 | 1263 |
| 807 | Superconductors | 2 | 22 | 986 | 1049 |
| 807 | Labor Unions | 1 | 22 | 536 | 363 |
| 807 | Energy Harvesting | 1 | 22 | 656 | 914 |
| 807 | Broadcasting | 1 | 22 | 360 | 379 |
| 807 | labor | 1 | 22 | 632 | 472 |
| 807 | Adolescent | 2 | 22 | 2237 | 2656 |
| 807 | innovation | 2 | 22 | 741 | 1200 |
| 807 | Social work | 1 | 22 | 2045 | 1790 |
| 807 | magnetic resonance | 3 | 22 | 556 | 760 |
| 819 | Pharmacy | 1 | 21 | 2536 | 2702 |
| 819 | Thermodynamics | 3 | 21 | 1270 | 1548 |
| 819 | Experimental Design | 1 | 21 | 440 | 427 |
| 819 | Topology | 2 | 21 | 414 | 409 |
| 819 | Statistical Mechanics | 2 | 21 | 759 | 825 |
| 819 | Health Education | 1 | 21 | 2612 | 2412 |
| 819 | income distribution | 3 | 21 | 144 | 350 |
| 819 | poverty | 3 | 21 | 386 | 865 |
| 819 | Commercial real estate | 1 | 21 | 76 | 71 |
| 819 | Multilingualism | 1 | 21 | 542 | 604 |
| 819 | Gerontology | 2 | 21 | 2040 | 2281 |
| 819 | Housing | 1 | 21 | 840 | 955 |
| 819 | Mortgages | 1 | 21 | 379 | 411 |
| 819 | Monomers | 3 | 21 | 60 | 168 |
| 819 | medical education | 2 | 21 | 1837 | 2232 |
| 819 | Nonlinear mechanics | 4 | 21 | 363 | 791 |
| 819 | Cell communication | 1 | 21 | 909 | 1141 |
| 819 | venom | 1 | 21 | 1259 | 1322 |
| 819 | Toxins | 1 | 21 | 1387 | 1458 |
| 838 | Religion and Literature | 2 | 20 | 33 | 5 |
| 838 | Graph Theory | 6 | 20 | 506 | 832 |
| 838 | Pharmaceutical Technology | 1 | 20 | 1963 | 2168 |
| 838 | Stochastic Processes | 1 | 20 | 1469 | 1341 |
| 838 | Globalization | 1 | 20 | 1045 | 1076 |
| 838 | Qualitative Research | 1 | 20 | 880 | 877 |
| 838 | Intelligent Control Systems | 5 | 20 | 885 | 1540 |
| 838 | Infertility | 1 | 20 | 987 | 1216 |
| 838 | Continuum Mechanics | 2 | 20 | 216 | 320 |
| 838 | Mitochondrial DNA | 3 | 20 | 190 | 264 |
| 838 | fertility | 1 | 20 | 1067 | 1291 |
| 849 | Comparative Education | 1 | 19 | 474 | 442 |
| 849 | nutrition policy | 2 | 19 | 102 | 171 |
| 849 | women's rights | 1 | 19 | 296 | 333 |
| 849 | nuclear magnetic resonance | 4 | 19 | 802 | 1180 |
| 849 | Eastern Europe | 5 | 19 | 599 | 1153 |
| 849 | scientific societies | 1 | 19 | 1141 | 1251 |
| 849 | Yeast | 3 | 19 | 406 | 829 |
| 856 | Educational Sociology | 3 | 18 | 375 | 686 |
| 856 | Geographic information systems | 3 | 18 | 1149 | 1728 |
| 856 | monitoring | 2 | 18 | 330 | 476 |
| 856 | Combinatorial analysis | 7 | 18 | 670 | 1126 |
| 856 | rehabilitation | 1 | 18 | 2777 | 2915 |
| 861 | Biopharmaceutics | 1 | 17 | 1467 | 1767 |
| 861 | Geriatric Psychiatry | 1 | 17 | 1374 | 1537 |
| 861 | Mental Health | 1 | 17 | 2289 | 2349 |
| 861 | Research Design | 1 | 17 | 1621 | 1812 |
| 861 | Ecosystem management | 1 | 17 | 1121 | 1232 |
| 861 | Mental Health Services | 1 | 17 | 1649 | 1784 |
| 861 | Industrial Policy | 1 | 17 | 820 | 896 |
| 861 | Cell differentiation | 1 | 17 | 1640 | 2066 |
| 861 | Genetic regulation | 1 | 17 | 1425 | 1619 |
| 861 | Protein folding | 1 | 17 | 159 | 222 |
| 861 | Language teaching | 1 | 17 | 148 | 217 |
| 861 | second language | 1 | 17 | 148 | 217 |
| 861 | Stem cells | 1 | 17 | 1562 | 1840 |
| 861 | Lipid bilayers | 1 | 17 | 783 | 833 |
| 861 | Southeast Asia | 2 | 17 | 492 | 639 |
| 861 | Biomolecules | 3 | 17 | 430 | 998 |
| 861 | Cell surface receptors | 1 | 17 | 264 | 305 |
| 861 | Protein engineering | 1 | 17 | 368 | 478 |
| 861 | drugs | 1 | 17 | 2484 | 2775 |
| 861 | women | 2 | 17 | 1098 | 1230 |
| 861 | Scanning electron microscopy | 1 | 17 | 297 | 302 |
| 861 | cloning | 1 | 17 | 798 | 1046 |
| 883 | Radiology | 1 | 16 | 1722 | 1687 |
| 883 | Anatomy | 2 | 16 | 1990 | 2463 |
| 883 | Actuarial Science | 1 | 16 | 438 | 476 |
| 883 | Health Policy | 2 | 16 | 2266 | 2955 |
| 883 | Number Theory | 5 | 16 | 627 | 980 |
| 883 | Electromagnetism | 2 | 16 | 1189 | 1506 |
| 883 | Psychoanalysis | 3 | 16 | 329 | 364 |
| 883 | Plant physiology | 1 | 16 | 2596 | 2975 |
| 883 | Radiobiology | 1 | 16 | 1466 | 1641 |
| 883 | sustainability | 2 | 16 | 1087 | 1778 |
| 883 | Global warming | 2 | 16 | 193 | 326 |
| 883 | insurance | 1 | 16 | 645 | 659 |
| 883 | Soviet Union | 2 | 16 | 887 | 934 |
| 883 | Mental illness | 1 | 16 | 2173 | 2550 |
| 897 | Quality Management | 1 | 15 | 376 | 398 |
| 897 | Tissue Engineering | 1 | 15 | 607 | 744 |
| 897 | Micropaleontology | 2 | 15 | 168 | 254 |
| 897 | Human Rights | 1 | 15 | 989 | 977 |
| 897 | Total Quality Management | 1 | 15 | 1079 | 1290 |
| 897 | Language and Education | 2 | 15 | 170 | 307 |
| 897 | civil rights | 1 | 15 | 713 | 684 |
| 897 | Raman spectroscopy | 1 | 15 | 1299 | 1498 |
| 897 | Crystallography | 2 | 15 | 1804 | 1767 |
| 897 | Citizenship | 1 | 15 | 307 | 371 |
| 897 | Criticism | 4 | 15 | 225 | 281 |
| 897 | water reuse | 1 | 15 | 678 | 936 |
| 897 | immigration | 2 | 15 | 269 | 482 |
| 897 | migration policy | 2 | 15 | 278 | 484 |
| 897 | Asylum seeker | 2 | 15 | 219 | 455 |
| 912 | Special Education | 1 | 14 | 1248 | 1183 |
| 912 | Radiation Oncology | 1 | 14 | 533 | 660 |
| 912 | Evolutionary Psychology | 1 | 14 | 328 | 402 |
| 912 | Political Sociology | 3 | 14 | 462 | 793 |
| 912 | Regional Economics | 1 | 14 | 817 | 931 |
| 912 | Distributed Databases | 1 | 14 | 311 | 352 |
| 912 | Subjectivity | 1 | 14 | 91 | 89 |
| 912 | Vietnam | 1 | 14 | 262 | 339 |
| 920 | Bioenergetics | 1 | 13 | 1234 | 1565 |
| 920 | Theology | 4 | 13 | 567 | 475 |
| 920 | Microelectronics | 1 | 13 | 2170 | 2396 |
| 920 | Functional Genomics | 1 | 13 | 435 | 670 |
| 920 | Boundary Value Problems | 1 | 13 | 1249 | 1255 |
| 920 | Antenna Arrays | 1 | 13 | 834 | 1004 |
| 920 | Plasma chemistry | 1 | 13 | 653 | 822 |
| 920 | Energy metabolism | 1 | 13 | 796 | 968 |
| 920 | Chromatography | 2 | 13 | 1784 | 2443 |
| 920 | Sarcopenia | 1 | 13 | 623 | 848 |
| 920 | Metacognition | 1 | 13 | 150 | 232 |
| 920 | nuclear magnetic resonance spectroscopy | 2 | 13 | 835 | 1073 |
| 920 | Porous materials | 2 | 13 | 977 | 1419 |
| 920 | Plasma polymerization | 1 | 13 | 447 | 569 |
| 920 | Chromatographic analysis | 2 | 13 | 2019 | 2624 |
| 920 | optical devices | 1 | 13 | 824 | 959 |
| 920 | NMR | 2 | 13 | 665 | 890 |
| 937 | Audiology | 2 | 12 | 803 | 1124 |
| 937 | Visual Communication | 2 | 12 | 589 | 945 |
| 937 | Ceramics | 1 | 12 | 2043 | 2120 |
| 937 | Philosophy of Mind | 3 | 12 | 267 | 521 |
| 937 | Adult Education | 4 | 12 | 511 | 1063 |
| 937 | epilepsy | 1 | 12 | 1224 | 1484 |
| 937 | Electrophoresis | 1 | 12 | 2083 | 2473 |
| 937 | Image enhancement | 2 | 12 | 463 | 848 |
| 937 | food contamination | 1 | 12 | 1735 | 1980 |
| 937 | microwave communication systems | 1 | 12 | 607 | 722 |
| 937 | Sexuality | 1 | 12 | 565 | 663 |
| 937 | Community Colleges | 1 | 12 | 344 | 339 |
| 937 | Food | 2 | 12 | 3213 | 4412 |
| 937 | Pesticides | 1 | 12 | 1138 | 1454 |
| 937 | Glass | 1 | 12 | 1481 | 1751 |
| 937 | pottery | 1 | 12 | 1406 | 1686 |
| 937 | Microwave devices | 1 | 12 | 706 | 791 |
| 954 | Dermatology | 1 | 11 | 1794 | 2028 |
| 954 | Heat Exchangers | 3 | 11 | 1230 | 2232 |
| 954 | mutation | 1 | 11 | 838 | 1138 |
| 954 | Semiconductors | 3 | 11 | 2074 | 2902 |
| 954 | taxation | 2 | 11 | 329 | 642 |
| 954 | Chromosomes | 1 | 11 | 1249 | 1588 |
| 954 | Tropical Medicine | 1 | 11 | 2345 | 2724 |
| 954 | magmatism | 1 | 11 | 61 | 64 |
| 962 | Geriatrics | 2 | 10 | 2741 | 3659 |
| 962 | Geotechnical Engineering | 2 | 10 | 560 | 892 |
| 962 | Logistics | 1 | 10 | 1009 | 1338 |
| 962 | Psychoneuroimmunology | 1 | 10 | 861 | 1225 |
| 962 | Social Networks | 2 | 10 | 419 | 872 |
| 962 | Adsorption | 1 | 10 | 449 | 588 |
| 962 | Neuroimmunology | 1 | 10 | 956 | 1352 |
| 962 | Aerosols | 2 | 10 | 626 | 955 |
| 962 | Public opinion | 1 | 10 | 683 | 905 |
| 962 | Semantic web | 1 | 10 | 190 | 306 |
| 962 | Library Science | 1 | 10 | 1588 | 1551 |
| 962 | Methodology | 2 | 10 | 689 | 1122 |
| 962 | role | 1 | 10 | 759 | 1092 |
| 962 | biological agents | 1 | 10 | 1195 | 1000 |
| 962 | public opinion polls | 1 | 10 | 207 | 229 |
| 962 | aerosol | 2 | 10 | 452 | 719 |
| 978 | Health Services Research | 2 | 9 | 1717 | 2693 |
| 978 | Remote Sensing | 4 | 9 | 1308 | 2342 |
| 978 | Bioethics | 1 | 9 | 1403 | 1590 |
| 978 | Online social networks | 1 | 9 | 630 | 872 |
| 978 | histological techniques | 1 | 9 | 868 | 1183 |
| 978 | Postcolonialism | 1 | 9 | 267 | 277 |
| 978 | Public Choice | 3 | 9 | 352 | 752 |
| 978 | Group decision making | 3 | 9 | 480 | 1017 |
| 978 | Luminescence | 1 | 9 | 1969 | 2290 |
| 978 | Linguistic universals | 2 | 9 | 44 | 53 |
| 978 | Archives | 1 | 9 | 174 | 142 |
| 978 | Textile industry | 1 | 9 | 840 | 933 |
| 990 | Sustainable Design | 1 | 8 | 40 | 99 |
| 990 | Cryptography | 2 | 8 | 852 | 1108 |
| 990 | Religion and Politics | 1 | 8 | 125 | 125 |
| 990 | Environmental Economics | 1 | 8 | 777 | 995 |
| 990 | Aesthetics | 2 | 8 | 275 | 263 |
| 990 | Discrete Mathematics | 4 | 8 | 287 | 593 |
| 990 | Art Criticism | 2 | 8 | 133 | 155 |
| 990 | Political Ecology | 1 | 8 | 209 | 222 |
| 990 | Continuing Education | 2 | 8 | 576 | 895 |
| 990 | Decision Support Systems | 2 | 8 | 208 | 493 |
| 990 | Ideology | 1 | 8 | 156 | 189 |