| 1 | Chemistry | 621 | 75.4K | 613 | 283 |
| 2 | Catalysis | 591 | 32.5K | 90 | 83 |
| 3 | Chemical Engineering | 239 | 30.0K | 402 | 116 |
| 4 | Electrochemistry | 590 | 21.5K | 94 | 52 |
| 5 | Microbiology | 179 | 19.3K | 703 | 398 |
| 6 | Carbon | 209 | 17.3K | 12 | 10 |
| 7 | Ecology | 312 | 16.1K | 437 | 459 |
| 8 | Physics | 327 | 15.7K | 917 | 941 |
| 9 | Surface Chemistry | 296 | 12.9K | 175 | 149 |
| 10 | Astronomy | 305 | 11.5K | 314 | 379 |
| 11 | Astrophysics | 260 | 10.9K | 394 | 503 |
| 12 | Science | 243 | 10.8K | 891 | 1019 |
| 13 | Electrochemical Analysis | 204 | 9.2K | 18 | 10 |
| 14 | Environment | 142 | 9.0K | 549 | 569 |
| 15 | Biology | 146 | 9.0K | 1120 | 1101 |
| 16 | Pollution | 143 | 8.0K | 596 | 576 |
| 17 | Materials | 164 | 6.9K | 866 | 755 |
| 18 | Economics | 247 | 6.9K | 313 | 289 |
| 19 | Tourism | 148 | 6.8K | 49 | 74 |
| 20 | Biochemistry | 191 | 6.3K | 1196 | 1175 |
| 21 | Analytical Chemistry | 147 | 5.9K | 539 | 432 |
| 22 | Microbial Ecology | 99 | 5.8K | 223 | 266 |
| 23 | Spectrum analysis | 160 | 5.7K | 495 | 596 |
| 24 | Medicine | 203 | 5.7K | 1050 | 1178 |
| 25 | Solid State Physics | 159 | 5.5K | 582 | 493 |
| 26 | Molecular Biology | 102 | 5.5K | 1337 | 1120 |
| 27 | Condensed Matter | 155 | 5.4K | 537 | 502 |
| 28 | Research | 187 | 5.4K | 940 | 958 |
| 29 | Biotechnology | 65 | 5.4K | 1173 | 774 |
| 30 | management | 91 | 5.2K | 453 | 421 |
| 31 | Botany | 141 | 5.0K | 502 | 552 |
| 32 | Molecular structure | 89 | 5.0K | 186 | 140 |
| 33 | Organic Chemistry | 110 | 4.8K | 385 | 283 |
| 34 | environmental pollution | 97 | 4.5K | 587 | 548 |
| 35 | Environmental Management | 82 | 4.3K | 286 | 259 |
| 36 | Polymers | 100 | 4.2K | 810 | 614 |
| 37 | Biomedical Engineering | 67 | 4.1K | 951 | 584 |
| 38 | Pharmaceutical Technology | 42 | 4.1K | 219 | 43 |
| 38 | catalytic activity | 42 | 4.1K | 47 | 8 |
| 40 | Renewable Energy Sources | 16 | 4.0K | 1133 | 381 |
| 41 | Nanostructured Materials | 98 | 3.8K | 458 | 431 |
| 42 | Colloids | 69 | 3.7K | 788 | 601 |
| 43 | Neurology | 78 | 3.6K | 922 | 877 |
| 43 | polymerization | 94 | 3.6K | 683 | 540 |
| 45 | Environmental Health | 101 | 3.5K | 713 | 789 |
| 46 | Water | 54 | 3.5K | 459 | 416 |
| 47 | Plant Ecology | 66 | 3.4K | 229 | 220 |
| 48 | Physical Chemistry | 30 | 3.3K | 646 | 289 |
| 49 | Engineering Geology | 65 | 3.3K | 153 | 104 |
| 50 | Building Materials | 68 | 3.3K | 231 | 218 |
| 51 | Green Chemistry | 60 | 3.3K | 234 | 222 |
| 52 | Optics | 169 | 3.2K | 507 | 528 |
| 53 | Water pollution | 82 | 3.2K | 345 | 396 |
| 54 | Marine Biology | 99 | 3.1K | 317 | 345 |
| 55 | Public Health | 161 | 3.0K | 498 | 719 |
| 56 | Environmental Policy | 54 | 3.0K | 565 | 482 |
| 57 | Nanotechnology | 55 | 3.0K | 1202 | 1022 |
| 58 | Biodiversity conservation | 38 | 2.7K | 343 | 404 |
| 59 | Technology | 36 | 2.7K | 997 | 484 |
| 60 | Adhesion | 88 | 2.6K | 4 | 6 |
| 60 | adhesives | 88 | 2.6K | 7 | 6 |
| 62 | Environmental monitoring | 62 | 2.6K | 615 | 643 |
| 63 | Evolution | 21 | 2.5K | 623 | 387 |
| 64 | Materials Science | 63 | 2.5K | 997 | 904 |
| 65 | Econometrics | 39 | 2.5K | 270 | 161 |
| 66 | Bioengineering | 29 | 2.5K | 1267 | 879 |
| 67 | Zeolites | 63 | 2.5K | 35 | 45 |
| 68 | Molecular evolution | 11 | 2.4K | 667 | 233 |
| 69 | Geophysics | 65 | 2.4K | 722 | 664 |
| 70 | Business | 53 | 2.3K | 348 | 450 |
| 71 | Social Sciences | 85 | 2.3K | 416 | 343 |
| 72 | Molecular Microbiology | 17 | 2.2K | 313 | 193 |
| 73 | Natural history | 23 | 2.2K | 1024 | 1328 |
| 74 | Biophysics | 87 | 2.2K | 1042 | 1155 |
| 75 | Nuclear Physics | 72 | 2.0K | 1115 | 1022 |
| 76 | Climate change | 15 | 2.0K | 381 | 430 |
| 76 | Eutrophication | 15 | 2.0K | 374 | 426 |
| 78 | Image Processing | 58 | 2.0K | 356 | 389 |
| 79 | Biochemical Engineering | 43 | 2.0K | 805 | 927 |
| 80 | Ophthalmology | 58 | 2.0K | 321 | 302 |
| 81 | energy development | 3 | 2.0K | 825 | 149 |
| 82 | Sustainable Engineering | 39 | 1.9K | 262 | 249 |
| 83 | Physiology | 40 | 1.9K | 1054 | 872 |
| 84 | Sustainable Development | 29 | 1.9K | 340 | 248 |
| 85 | plant communities | 28 | 1.9K | 260 | 231 |
| 86 | Epidemiology | 72 | 1.8K | 544 | 596 |
| 87 | radioactive waste | 27 | 1.8K | 78 | 74 |
| 87 | industrial waste | 27 | 1.8K | 90 | 74 |
| 87 | Hazardous waste | 27 | 1.8K | 116 | 84 |
| 90 | Geology | 61 | 1.8K | 679 | 639 |
| 91 | Environmental Chemistry | 15 | 1.8K | 790 | 458 |
| 92 | Industrial Engineering | 64 | 1.7K | 215 | 259 |
| 93 | Mathematics | 198 | 1.7K | 813 | 1015 |
| 94 | Energy Conversion | 12 | 1.7K | 556 | 371 |
| 95 | ecosystem | 41 | 1.7K | 207 | 274 |
| 96 | environmental protection | 34 | 1.7K | 887 | 694 |
| 97 | Mathematical Economics | 12 | 1.7K | 108 | 61 |
| 98 | Biocompatible Materials | 36 | 1.7K | 1094 | 1085 |
| 99 | Environmental Microbiology | 42 | 1.7K | 170 | 294 |
| 100 | Atomic spectroscopy | 45 | 1.6K | 148 | 91 |
| 101 | Education | 52 | 1.5K | 726 | 578 |
| 102 | Metallurgy | 28 | 1.5K | 657 | 422 |
| 103 | Optical materials | 47 | 1.5K | 584 | 692 |
| 104 | Bioorganic chemistry | 24 | 1.5K | 993 | 619 |
| 105 | Artificial Intelligence | 65 | 1.5K | 673 | 838 |
| 106 | Environmental Engineering | 32 | 1.5K | 1002 | 866 |
| 107 | Operations Research | 68 | 1.5K | 333 | 458 |
| 108 | Wildlife conservation | 37 | 1.4K | 195 | 254 |
| 109 | Environmental Geology | 28 | 1.4K | 330 | 200 |
| 110 | Geography | 50 | 1.4K | 383 | 415 |
| 111 | coal | 43 | 1.4K | 253 | 347 |
| 112 | sanitation | 38 | 1.3K | 316 | 517 |
| 113 | Entomology | 77 | 1.3K | 279 | 327 |
| 114 | Energy Policy | 16 | 1.3K | 1168 | 778 |
| 115 | concrete | 21 | 1.3K | 267 | 262 |
| 116 | Europe | 106 | 1.3K | 316 | 534 |
| 117 | Composite Materials | 29 | 1.3K | 843 | 808 |
| 118 | Sedimentary rocks | 30 | 1.2K | 54 | 57 |
| 119 | Biodiversity | 33 | 1.2K | 493 | 491 |
| 120 | Food service management | 17 | 1.2K | 85 | 66 |
| 121 | Neurophysiology | 18 | 1.2K | 1084 | 853 |
| 122 | Statistical physics | 41 | 1.2K | 1038 | 928 |
| 123 | Earth Sciences | 33 | 1.1K | 945 | 792 |
| 124 | Information Technology | 31 | 1.1K | 498 | 490 |
| 125 | Hydrology | 31 | 1.1K | 625 | 556 |
| 126 | Physical organic chemistry | 20 | 1.1K | 481 | 187 |
| 127 | Mixed methods research | 51 | 1.1K | 2 | 6 |
| 128 | Marine Ecology | 36 | 1.1K | 100 | 73 |
| 129 | Forest Ecology | 24 | 1.1K | 254 | 230 |
| 130 | Geomorphology | 25 | 1.1K | 402 | 373 |
| 131 | Database Management | 28 | 1.0K | 172 | 168 |
| 132 | Birds | 46 | 1.0K | 199 | 170 |
| 133 | Neurochemistry | 21 | 999 | 842 | 711 |
| 133 | Cement | 17 | 999 | 172 | 202 |
| 135 | Information Science | 40 | 990 | 478 | 641 |
| 136 | Aquaculture | 27 | 980 | 385 | 326 |
| 137 | Computer Vision | 22 | 971 | 310 | 326 |
| 137 | Ornithology | 44 | 971 | 143 | 130 |
| 139 | Educational Technology | 22 | 959 | 414 | 262 |
| 140 | Fisheries | 40 | 950 | 275 | 335 |
| 141 | Psychology | 82 | 928 | 825 | 1239 |
| 142 | Geochemistry | 22 | 913 | 727 | 653 |
| 143 | finance | 35 | 912 | 590 | 559 |
| 144 | Game Theory | 32 | 904 | 80 | 75 |
| 145 | soil microbiology | 21 | 902 | 468 | 570 |
| 146 | Agricultural Chemistry | 30 | 888 | 534 | 601 |
| 147 | Regional Planning | 28 | 865 | 402 | 367 |
| 148 | Climatology | 20 | 862 | 576 | 535 |
| 149 | Marine Pollution | 28 | 861 | 259 | 335 |
| 150 | Mineral resources | 5 | 858 | 426 | 70 |
| 150 | Membranes | 23 | 858 | 599 | 647 |
| 152 | Insects | 39 | 857 | 216 | 280 |
| 153 | carbon monoxide | 18 | 856 | 22 | 31 |
| 154 | Software Engineering | 24 | 823 | 254 | 244 |
| 155 | Ultrasonics | 17 | 821 | 385 | 302 |
| 156 | Brain | 27 | 795 | 846 | 911 |
| 157 | Mycology | 12 | 789 | 718 | 454 |
| 157 | Fungi | 12 | 789 | 440 | 336 |
| 159 | Manufacturing Processes | 39 | 788 | 531 | 681 |
| 160 | United States | 38 | 784 | 1237 | 1333 |
| 161 | Solid State Chemistry | 27 | 779 | 895 | 688 |
| 162 | Earthquake Engineering | 33 | 777 | 364 | 434 |
| 163 | mathematical analysis | 78 | 767 | 394 | 551 |
| 164 | Metals | 13 | 761 | 936 | 631 |
| 165 | Biosensors | 4 | 760 | 1071 | 543 |
| 165 | Bioelectronics | 4 | 760 | 941 | 466 |
| 167 | Forest Management | 19 | 752 | 290 | 271 |
| 167 | natural disasters | 23 | 752 | 244 | 277 |
| 169 | Plant physiology | 20 | 750 | 804 | 852 |
| 170 | miniaturization | 13 | 749 | 802 | 719 |
| 171 | Sonochemistry | 15 | 744 | 136 | 159 |
| 172 | Soil Science | 30 | 732 | 451 | 603 |
| 173 | eye | 7 | 728 | 88 | 130 |
| 174 | Land use | 24 | 727 | 210 | 257 |
| 175 | city planning | 26 | 721 | 420 | 406 |
| 176 | Ecosystem management | 13 | 717 | 232 | 165 |
| 177 | Toxicology | 32 | 705 | 1359 | 1656 |
| 178 | Retina | 3 | 690 | 150 | 132 |
| 179 | Rock Mechanics | 16 | 681 | 338 | 303 |
| 180 | Microelectronics | 11 | 674 | 889 | 688 |
| 181 | Behavior | 15 | 668 | 1310 | 1302 |
| 182 | Nanostructures | 7 | 666 | 1284 | 717 |
| 183 | Organometallic compounds | 21 | 657 | 432 | 383 |
| 184 | Biogeography | 16 | 650 | 372 | 465 |
| 185 | Entrepreneurship | 11 | 643 | 392 | 442 |
| 186 | Plants | 40 | 641 | 423 | 784 |
| 187 | Restoration Ecology | 13 | 638 | 116 | 94 |
| 188 | energy conservation | 13 | 631 | 898 | 883 |
| 189 | Nursing | 48 | 629 | 273 | 369 |
| 189 | environmental indicators | 13 | 629 | 420 | 360 |
| 191 | economic policy | 30 | 628 | 624 | 523 |
| 192 | Sociology | 47 | 614 | 595 | 908 |
| 192 | Anatomy | 24 | 614 | 615 | 634 |
| 194 | Diagnostic Imaging | 4 | 611 | 1404 | 560 |
| 195 | Geodynamics | 18 | 598 | 335 | 360 |
| 196 | human behavior | 15 | 594 | 980 | 1151 |
| 197 | Welfare Economics | 21 | 589 | 88 | 109 |
| 198 | Economic Development | 16 | 588 | 555 | 596 |
| 199 | marketing | 21 | 587 | 694 | 824 |
| 200 | Archaeology | 47 | 586 | 252 | 344 |
| 201 | Biomass Energy | 14 | 584 | 1095 | 1140 |
| 202 | biological evolution | 25 | 583 | 622 | 902 |
| 203 | Statistics | 24 | 574 | 946 | 753 |
| 204 | Developmental Biology | 8 | 572 | 1048 | 842 |
| 205 | Quantum Gravity | 33 | 566 | 814 | 945 |
| 206 | food technology | 8 | 562 | 1516 | 1017 |
| 206 | Teaching | 28 | 562 | 441 | 481 |
| 208 | Electronics | 19 | 560 | 1374 | 1098 |
| 209 | Conservation Biology | 17 | 558 | 359 | 409 |
| 209 | energy resources | 4 | 558 | 1129 | 748 |
| 209 | health planning | 44 | 558 | 346 | 559 |
| 212 | Nutrition | 28 | 557 | 1245 | 1600 |
| 213 | Ocean Engineering | 27 | 556 | 515 | 637 |
| 214 | Paleoecology | 18 | 554 | 373 | 417 |
| 215 | Calorimetry | 17 | 546 | 340 | 196 |
| 215 | Thermal analysis | 17 | 546 | 340 | 196 |
| 217 | Robotics | 32 | 541 | 411 | 570 |
| 218 | Pediatrics | 4 | 534 | 1566 | 845 |
| 218 | Radio | 4 | 534 | 1164 | 572 |
| 220 | Plant diseases | 14 | 533 | 867 | 650 |
| 221 | Zoology | 29 | 528 | 763 | 761 |
| 222 | Radio waves | 3 | 526 | 791 | 356 |
| 223 | Spain | 74 | 525 | 17 | 11 |
| 224 | Paleoclimatology | 17 | 524 | 432 | 472 |
| 225 | Asia | 7 | 515 | 1816 | 613 |
| 226 | Paleogeography | 15 | 513 | 383 | 399 |
| 227 | Nonlinear Dynamics | 24 | 512 | 753 | 808 |
| 228 | Extreme environments | 15 | 507 | 23 | 42 |
| 229 | synthesis | 26 | 505 | 152 | 116 |
| 230 | Structural Engineering | 19 | 501 | 621 | 596 |
| 230 | Social Choice Theory | 20 | 501 | 29 | 24 |
| 232 | Chemical analysis | 14 | 498 | 400 | 355 |
| 233 | Soil Mechanics | 13 | 495 | 488 | 442 |
| 234 | Organometallic chemistry | 24 | 493 | 649 | 605 |
| 235 | Sports | 23 | 490 | 702 | 717 |
| 236 | Embryology | 5 | 487 | 1002 | 689 |
| 237 | Sports Medicine | 31 | 485 | 693 | 867 |
| 238 | Telecommunication | 22 | 484 | 929 | 991 |
| 239 | RNA | 2 | 480 | 558 | 208 |
| 240 | Public Policy | 19 | 476 | 551 | 608 |
| 240 | Educational Psychology | 27 | 476 | 417 | 572 |
| 242 | Plant cells | 7 | 474 | 652 | 754 |
| 243 | Social Change | 12 | 473 | 390 | 535 |
| 244 | Nervous system | 8 | 469 | 1329 | 1044 |
| 245 | Pharmacology | 17 | 468 | 1980 | 2004 |
| 246 | Health Policy | 16 | 467 | 780 | 715 |
| 247 | Infertility | 5 | 466 | 572 | 411 |
| 247 | fertility | 5 | 466 | 627 | 440 |
| 249 | Neural circuitry | 38 | 464 | 354 | 854 |
| 250 | Economic History | 52 | 450 | 627 | 1054 |
| 250 | Cell differentiation | 2 | 450 | 1352 | 827 |
| 250 | Growth | 2 | 450 | 1090 | 632 |
| 253 | Landslides | 11 | 445 | 60 | 82 |
| 254 | Small Business | 6 | 436 | 504 | 502 |
| 255 | Adsorption | 14 | 434 | 24 | 29 |
| 256 | Human-Computer Interaction | 17 | 429 | 481 | 561 |
| 256 | nanoscience | 14 | 429 | 1339 | 1444 |
| 258 | Total Quality Management | 12 | 427 | 118 | 87 |
| 259 | Mining Engineering | 7 | 420 | 287 | 191 |
| 260 | Solar Energy | 10 | 413 | 912 | 857 |
| 261 | Remote Sensing | 22 | 412 | 388 | 371 |
| 262 | Meteorology | 22 | 409 | 702 | 1067 |
| 263 | Demography | 4 | 407 | 534 | 236 |
| 263 | Semiconductors | 7 | 407 | 1443 | 696 |
| 265 | health services accessibility | 12 | 400 | 358 | 313 |
| 265 | Catalysts | 18 | 400 | 138 | 196 |
| 267 | Magnetic Materials | 14 | 397 | 697 | 663 |
| 268 | Biogeochemistry | 8 | 393 | 606 | 601 |
| 269 | Aquatic ecology | 7 | 387 | 558 | 309 |
| 270 | Immunology | 8 | 383 | 1608 | 1423 |
| 270 | Intellectual disability | 9 | 383 | 403 | 298 |
| 272 | Urban Policy | 13 | 381 | 283 | 310 |
| 272 | Quality Control | 11 | 381 | 714 | 644 |
| 272 | Primary health care | 10 | 381 | 785 | 543 |
| 275 | System analysis | 20 | 380 | 873 | 988 |
| 276 | Learning disabilities | 8 | 378 | 457 | 293 |
| 277 | Linguistics | 34 | 377 | 313 | 462 |
| 278 | Production Engineering | 28 | 376 | 523 | 695 |
| 279 | color | 20 | 371 | 26 | 39 |
| 280 | plant molecular biology | 9 | 368 | 780 | 904 |
| 281 | Animal ecology | 14 | 364 | 494 | 522 |
| 282 | Socioeconomic Factors | 11 | 360 | 279 | 266 |
| 283 | Signal Processing | 18 | 352 | 1063 | 1261 |
| 284 | Coastal zone management | 21 | 351 | 110 | 217 |
| 285 | commerce | 19 | 349 | 432 | 695 |
| 286 | Systems Analysis | 14 | 348 | 395 | 353 |
| 286 | Aging | 14 | 348 | 1078 | 1103 |
| 288 | Labor Economics | 5 | 343 | 360 | 188 |
| 289 | computer networks | 14 | 341 | 1129 | 1176 |
| 290 | Exercise | 19 | 340 | 468 | 566 |
| 291 | Chronic diseases | 3 | 329 | 533 | 364 |
| 292 | International Finance | 18 | 328 | 604 | 793 |
| 293 | Developmental Disabilities | 5 | 322 | 707 | 522 |
| 294 | Health Services Research | 7 | 320 | 896 | 603 |
| 294 | Diabetes mellitus | 9 | 320 | 934 | 991 |
| 296 | Psychophysiology | 8 | 317 | 1547 | 1450 |
| 297 | Molecular Genetics | 10 | 316 | 919 | 1011 |
| 297 | Radiation | 11 | 316 | 1063 | 817 |
| 297 | Food | 16 | 316 | 1315 | 1712 |
| 300 | Molecules | 28 | 314 | 459 | 633 |
| 301 | Cell Biology | 10 | 311 | 1825 | 2013 |
| 302 | Marine resources | 19 | 309 | 139 | 258 |
| 303 | emergency management | 10 | 306 | 241 | 270 |
| 303 | Water quality management | 17 | 306 | 622 | 722 |
| 303 | Diabetes | 8 | 306 | 1024 | 1037 |
| 306 | Lightweight concrete | 3 | 305 | 411 | 357 |
| 307 | Photonics | 15 | 295 | 861 | 1073 |
| 308 | Computational Biology | 11 | 294 | 1171 | 1210 |
| 309 | Land Use Planning | 6 | 284 | 220 | 211 |
| 310 | Cognitive Science | 4 | 283 | 1314 | 888 |
| 310 | Vision | 10 | 283 | 335 | 371 |
| 312 | reforestation | 5 | 281 | 84 | 32 |
| 312 | afforestation | 5 | 281 | 84 | 32 |
| 314 | Calculus of Variations | 27 | 275 | 75 | 175 |
| 315 | Cytology | 11 | 274 | 1872 | 2172 |
| 315 | Cancer | 8 | 274 | 1495 | 1568 |
| 317 | Engineering | 15 | 272 | 1964 | 1940 |
| 318 | Animal Behavior | 11 | 268 | 929 | 1146 |
| 318 | Microorganisms | 6 | 268 | 654 | 706 |
| 320 | personality | 9 | 267 | 822 | 960 |
| 321 | Numerical Analysis | 27 | 265 | 749 | 993 |
| 321 | Radiation effects | 6 | 265 | 365 | 361 |
| 323 | software | 10 | 263 | 478 | 628 |
| 323 | violence | 17 | 263 | 338 | 530 |
| 325 | Plastics | 8 | 262 | 1000 | 754 |
| 325 | Human Resources | 5 | 262 | 320 | 300 |
| 327 | Mental Disorders | 10 | 261 | 1310 | 1437 |
| 327 | Electrophoresis | 8 | 261 | 947 | 827 |
| 327 | Bacteriology | 6 | 261 | 1147 | 1145 |
| 327 | Developing countries | 21 | 261 | 691 | 1116 |
| 331 | solar power | 3 | 260 | 820 | 527 |
| 331 | solar cells | 3 | 260 | 877 | 568 |
| 333 | Medical Microbiology | 6 | 258 | 1287 | 1305 |
| 333 | Thin Films | 8 | 258 | 232 | 138 |
| 335 | Japan | 11 | 256 | 800 | 649 |
| 336 | Obstetrics | 15 | 255 | 890 | 1026 |
| 337 | United Kingdom | 9 | 253 | 762 | 830 |
| 338 | bioclimatology | 5 | 252 | 680 | 414 |
| 338 | Interfaces | 13 | 252 | 51 | 80 |
| 338 | biological invasions | 7 | 252 | 333 | 320 |
| 341 | Multimedia Systems | 13 | 251 | 797 | 804 |
| 342 | place marketing | 7 | 250 | 31 | 68 |
| 343 | Latin America | 43 | 248 | 209 | 297 |
| 344 | Medical Anthropology | 8 | 247 | 663 | 809 |
| 344 | infection | 6 | 247 | 931 | 872 |
| 346 | Australia | 16 | 245 | 580 | 716 |
| 347 | Research Design | 8 | 244 | 621 | 642 |
| 347 | Molecular ecology | 4 | 244 | 802 | 760 |
| 349 | ethnicity | 7 | 242 | 395 | 202 |
| 350 | Nuclear Engineering | 15 | 241 | 588 | 566 |
| 351 | Strategic planning | 9 | 239 | 333 | 412 |
| 352 | Marine Geology | 16 | 237 | 163 | 304 |
| 352 | Corporate Social Responsibility | 5 | 237 | 153 | 227 |
| 352 | environmental auditing | 5 | 237 | 162 | 230 |
| 352 | Environmental pollutants | 7 | 237 | 1432 | 1415 |
| 356 | Soil biology | 7 | 236 | 581 | 708 |
| 356 | atmosphere | 10 | 236 | 320 | 405 |
| 358 | Quantum Optics | 8 | 234 | 529 | 396 |
| 358 | Laser Spectroscopy | 8 | 234 | 480 | 352 |
| 360 | clay | 7 | 233 | 467 | 555 |
| 361 | Post-traumatic stress disorder | 4 | 230 | 607 | 460 |
| 362 | Endocrinology | 8 | 229 | 1482 | 1602 |
| 363 | Nonlinear functional analysis | 6 | 228 | 849 | 536 |
| 363 | health and race | 4 | 228 | 141 | 74 |
| 363 | ethnic groups | 4 | 228 | 262 | 143 |
| 363 | enzymes | 14 | 228 | 617 | 904 |
| 367 | Infections | 3 | 227 | 918 | 731 |
| 367 | pollutants | 5 | 227 | 1386 | 1268 |
| 367 | Virulence | 3 | 227 | 900 | 837 |
| 370 | social science | 2 | 226 | 233 | 119 |
| 371 | Food additives | 4 | 224 | 875 | 773 |
| 372 | Plant Morphology | 11 | 220 | 223 | 243 |
| 373 | Porous materials | 2 | 218 | 969 | 257 |
| 374 | soil conservation | 7 | 212 | 435 | 444 |
| 374 | land degradation | 7 | 212 | 224 | 274 |
| 374 | degradation | 7 | 212 | 224 | 274 |
| 377 | fuel cells | 6 | 211 | 866 | 933 |
| 377 | water supply | 2 | 211 | 975 | 602 |
| 377 | Information society | 10 | 211 | 15 | 36 |
| 377 | Agriculture | 11 | 211 | 976 | 1167 |
| 381 | Oceanography | 16 | 207 | 717 | 1023 |
| 381 | Waste management | 12 | 207 | 596 | 679 |
| 381 | Industrial Policy | 8 | 207 | 254 | 280 |
| 381 | Europa | 5 | 207 | 374 | 300 |
| 385 | Solitons | 9 | 206 | 617 | 639 |
| 385 | Business Ethics | 4 | 206 | 851 | 949 |
| 385 | Fractals | 9 | 206 | 618 | 643 |
| 385 | Chaos | 9 | 206 | 617 | 639 |
| 389 | Industrial Organization | 7 | 204 | 172 | 178 |
| 389 | Neurobiology | 5 | 204 | 1100 | 1121 |
| 389 | polar regions | 5 | 204 | 456 | 331 |
| 392 | Radiobiology | 5 | 203 | 811 | 699 |
| 392 | Obesity | 3 | 203 | 1527 | 1200 |
| 394 | Population Genetics | 4 | 202 | 936 | 834 |
| 395 | Process Control | 3 | 201 | 966 | 846 |
| 395 | Virtual reality | 8 | 201 | 168 | 208 |
| 395 | Physical fitness | 7 | 201 | 634 | 637 |
| 395 | Hospitality industry | 7 | 201 | 175 | 181 |
| 395 | Crystal growth | 4 | 201 | 889 | 623 |
| 395 | Fishery resources | 13 | 201 | 191 | 323 |
| 401 | Health | 18 | 200 | 732 | 1144 |
| 401 | biological factors | 3 | 200 | 1807 | 1114 |
| 403 | Petroleum Geology | 11 | 199 | 220 | 318 |
| 403 | Child Development | 9 | 199 | 1024 | 1173 |
| 405 | Communication | 21 | 198 | 696 | 1228 |
| 406 | Systems Biology | 10 | 197 | 707 | 867 |
| 406 | Genomics | 6 | 197 | 1845 | 1769 |
| 408 | Transport | 12 | 195 | 209 | 375 |
| 408 | Sea | 12 | 195 | 182 | 298 |
| 410 | Production Management | 2 | 193 | 1372 | 1039 |
| 411 | Soil dynamics | 10 | 192 | 223 | 298 |
| 412 | Computational Linguistics | 7 | 191 | 253 | 117 |
| 412 | Greenhouse gases | 5 | 191 | 186 | 223 |
| 412 | Simulation Methods | 17 | 191 | 220 | 474 |
| 415 | Neuropsychology | 5 | 189 | 1579 | 1341 |
| 415 | Health Education | 19 | 189 | 626 | 963 |
| 415 | Fishery management | 10 | 189 | 338 | 392 |
| 415 | sustainability | 6 | 189 | 533 | 675 |
| 415 | Microscopy | 5 | 189 | 1062 | 652 |
| 420 | Ecological Engineering | 5 | 188 | 459 | 513 |
| 420 | Forecasting | 10 | 188 | 176 | 282 |
| 422 | Biomass | 5 | 187 | 469 | 549 |
| 423 | Chemical industry | 9 | 186 | 698 | 627 |
| 424 | Audiology | 7 | 183 | 473 | 474 |
| 425 | Visual Perception | 6 | 182 | 923 | 917 |
| 425 | Housing | 15 | 182 | 118 | 314 |
| 425 | Memory | 6 | 182 | 1028 | 1068 |
| 425 | Attention | 6 | 182 | 975 | 957 |
| 425 | Perception | 6 | 182 | 1053 | 1039 |
| 430 | weather | 3 | 180 | 533 | 348 |
| 430 | Microwave devices | 9 | 180 | 246 | 261 |
| 432 | Anthropology | 13 | 177 | 678 | 789 |
| 433 | Geriatrics | 7 | 176 | 1644 | 1496 |
| 433 | Agricultural Ecology | 6 | 176 | 633 | 835 |
| 433 | Sedimentology | 3 | 176 | 580 | 397 |
| 436 | Computer Graphics | 10 | 175 | 908 | 1030 |
| 436 | Data Mining | 10 | 175 | 756 | 1095 |
| 436 | Requirements Engineering | 2 | 175 | 93 | 54 |
| 436 | Social Psychology | 10 | 175 | 1158 | 1467 |
| 436 | Library Science | 9 | 175 | 420 | 259 |
| 436 | Phylogeny | 9 | 175 | 432 | 728 |
| 442 | Ceramic materials | 7 | 173 | 863 | 831 |
| 442 | China | 17 | 173 | 1076 | 1670 |
| 444 | Child | 5 | 172 | 1562 | 1348 |
| 444 | Neurons | 2 | 172 | 584 | 773 |
| 446 | Epigenetics | 7 | 170 | 80 | 85 |
| 446 | Epigenomics | 7 | 170 | 79 | 84 |
| 448 | Inclusive Education | 3 | 168 | 156 | 84 |
| 448 | Integration | 3 | 168 | 149 | 83 |
| 450 | Ichthyology | 8 | 167 | 199 | 139 |
| 450 | Reproduction | 10 | 167 | 1134 | 1301 |
| 450 | Fish | 8 | 167 | 148 | 125 |
| 453 | Analytical Biochemistry | 8 | 166 | 1016 | 1074 |
| 453 | Eating Disorders | 3 | 166 | 760 | 560 |
| 453 | Inflammation | 2 | 166 | 1171 | 903 |
| 456 | Geodesy | 9 | 165 | 305 | 412 |
| 456 | Radio wave propagation | 7 | 165 | 441 | 335 |
| 458 | organization | 4 | 164 | 685 | 693 |
| 458 | Vaccines | 7 | 164 | 919 | 1002 |
| 460 | Ethology | 6 | 163 | 980 | 1190 |
| 460 | microwave communication systems | 7 | 163 | 221 | 236 |
| 460 | Climate | 2 | 163 | 706 | 403 |
| 463 | Hematology | 1 | 161 | 1966 | 1202 |
| 463 | Metallography | 2 | 161 | 974 | 535 |
| 463 | Recycling | 4 | 161 | 479 | 745 |
| 466 | mycoses | 3 | 160 | 682 | 672 |
| 466 | Quality of life | 12 | 160 | 577 | 1064 |
| 468 | Proteomics | 3 | 159 | 952 | 805 |
| 468 | Travel | 7 | 159 | 391 | 404 |
| 470 | Bioenergetics | 6 | 158 | 544 | 660 |
| 471 | multimedia | 3 | 157 | 483 | 414 |
| 471 | Interactive multimedia | 3 | 157 | 547 | 436 |
| 471 | freshwater biology | 3 | 157 | 894 | 611 |
| 474 | Plant tissue culture | 8 | 156 | 358 | 498 |
| 475 | Methodology | 3 | 154 | 523 | 191 |
| 476 | Kinesiology | 8 | 153 | 46 | 70 |
| 476 | Health Information Management | 3 | 153 | 316 | 528 |
| 476 | Kinetics | 8 | 153 | 211 | 237 |
| 476 | Control Theory | 7 | 153 | 1180 | 1060 |
| 480 | Plant cell culture | 4 | 152 | 515 | 499 |
| 481 | Hydrogeology | 4 | 151 | 528 | 423 |
| 481 | Functional Analysis | 11 | 151 | 742 | 819 |
| 481 | Information Systems | 6 | 151 | 944 | 975 |
| 484 | electrocatalysis | 10 | 150 | 18 | 34 |
| 485 | Physical Geography | 6 | 149 | 305 | 313 |
| 485 | Landscape Ecology | 6 | 149 | 294 | 400 |
| 485 | economic forecasting | 5 | 149 | 197 | 248 |
| 488 | Psychiatry | 7 | 148 | 2293 | 2442 |
| 488 | Ion Exchange | 9 | 148 | 41 | 52 |
| 488 | Solvent extraction | 9 | 148 | 41 | 52 |
| 488 | Microstructure | 2 | 148 | 1157 | 401 |
| 492 | Medical genetics | 3 | 147 | 1636 | 1614 |
| 492 | data collection | 8 | 147 | 548 | 814 |
| 492 | proteins | 8 | 147 | 1137 | 1299 |
| 495 | Geographic information systems | 10 | 145 | 488 | 608 |
| 496 | Bioinformatics | 6 | 144 | 1306 | 1352 |
| 496 | Social work | 11 | 144 | 680 | 763 |
| 496 | Sites | 2 | 144 | 638 | 484 |
| 499 | Telecommunications | 2 | 141 | 1019 | 355 |
| 499 | natural products | 3 | 141 | 1764 | 1151 |
| 501 | women | 10 | 140 | 373 | 352 |
| 502 | Nanochemistry | 6 | 138 | 865 | 854 |
| 503 | Women's health | 12 | 137 | 471 | 747 |
| 504 | Mathematics Education | 4 | 136 | 417 | 236 |
| 504 | Intelligent Transportation Systems | 5 | 136 | 838 | 911 |
| 504 | Plant Biotechnology | 3 | 136 | 732 | 585 |
| 507 | Computational Chemistry | 11 | 135 | 279 | 534 |
| 508 | History of Medicine | 4 | 134 | 420 | 97 |
| 509 | Global Health | 7 | 133 | 575 | 590 |
| 510 | Public Relations | 3 | 132 | 449 | 268 |
| 511 | Cybernetics | 18 | 131 | 545 | 1223 |
| 511 | Commercial real estate | 13 | 131 | 5 | 11 |
| 513 | Systems Engineering | 7 | 130 | 1452 | 1541 |
| 513 | Medical Technology | 4 | 130 | 1241 | 1134 |
| 513 | hydrocolloids | 2 | 130 | 746 | 759 |
| 513 | Microwaves | 11 | 130 | 704 | 786 |
| 517 | Experimental Design | 1 | 129 | 436 | 217 |
| 517 | Bacterial infections | 3 | 129 | 690 | 742 |
| 519 | Chemical kinetics | 8 | 128 | 380 | 295 |
| 520 | Urban Economics | 3 | 127 | 348 | 340 |
| 520 | preventive medicine | 6 | 127 | 710 | 890 |
| 520 | innovation | 2 | 127 | 743 | 707 |
| 523 | Economic Geography | 2 | 126 | 463 | 262 |
| 523 | Transportation | 8 | 126 | 959 | 1201 |
| 523 | hazard mitigation | 8 | 126 | 421 | 729 |
| 526 | Disability Law | 1 | 125 | 305 | 98 |
| 526 | actuators | 6 | 125 | 1551 | 1875 |
| 526 | genome | 5 | 125 | 975 | 1287 |
| 526 | transducers | 6 | 125 | 1551 | 1875 |
| 530 | Continental shelf | 1 | 123 | 560 | 328 |
| 530 | Solar System | 7 | 123 | 461 | 586 |
| 532 | Arthropods | 5 | 122 | 125 | 96 |
| 532 | Respiration | 2 | 122 | 1406 | 1089 |
| 534 | Digital humanities | 8 | 121 | 22 | 44 |
| 534 | Middle East | 5 | 121 | 765 | 508 |
| 536 | Thermodynamics | 11 | 120 | 573 | 671 |
| 536 | Thermochemistry | 11 | 120 | 216 | 366 |
| 538 | Mass Spectrometry | 2 | 119 | 1182 | 801 |
| 539 | Rock deformation | 6 | 118 | 100 | 182 |
| 539 | Venture Capital | 2 | 118 | 361 | 467 |
| 539 | school sports | 2 | 118 | 162 | 108 |
| 539 | family violence | 5 | 118 | 294 | 397 |
| 539 | child abuse | 5 | 118 | 595 | 735 |
| 544 | Information Theory | 7 | 117 | 919 | 1001 |
| 544 | Ceramics | 9 | 117 | 797 | 959 |
| 544 | Africa | 5 | 117 | 1144 | 794 |
| 544 | sex crimes | 11 | 117 | 263 | 503 |
| 548 | Fracture mechanics | 7 | 115 | 913 | 1061 |
| 548 | Proteome | 6 | 115 | 708 | 955 |
| 548 | Steroids | 2 | 115 | 994 | 726 |
| 551 | Paleontology | 17 | 114 | 494 | 890 |
| 551 | Nonparametric Statistics | 2 | 114 | 241 | 49 |
| 553 | Public Administration | 2 | 113 | 1554 | 899 |
| 553 | Risk Management | 2 | 113 | 810 | 525 |
| 553 | Personality Assessment | 5 | 113 | 408 | 547 |
| 556 | Automation | 10 | 112 | 1244 | 1831 |
| 556 | Energy Storage | 5 | 112 | 952 | 1062 |
| 556 | Municipal Engineering | 6 | 112 | 149 | 263 |
| 556 | Multivariate Analysis | 1 | 112 | 871 | 388 |
| 556 | Astrocytes | 2 | 112 | 486 | 528 |
| 561 | Diet | 4 | 111 | 1451 | 1789 |
| 561 | Host-parasite interactions | 1 | 111 | 1507 | 1146 |
| 561 | Planets | 7 | 111 | 890 | 1290 |
| 561 | Immunity | 1 | 111 | 1881 | 1516 |
| 565 | Nondestructive testing | 6 | 109 | 442 | 489 |
| 565 | Nutrition physiology | 6 | 109 | 442 | 623 |
| 565 | Celestial Mechanics | 9 | 109 | 77 | 129 |
| 565 | Cosmochemistry | 1 | 109 | 1217 | 790 |
| 569 | Pathology | 5 | 108 | 1244 | 1432 |
| 569 | food contamination | 3 | 108 | 1011 | 696 |
| 571 | symbiosis | 1 | 106 | 325 | 68 |
| 571 | complementary therapies | 7 | 106 | 988 | 1357 |
| 571 | Glass | 5 | 106 | 798 | 872 |
| 571 | pottery | 5 | 106 | 744 | 843 |
| 575 | Engineering Mathematics | 6 | 103 | 1348 | 1219 |
| 576 | Plasma polymerization | 4 | 102 | 197 | 218 |
| 577 | taxation | 4 | 101 | 177 | 188 |
| 578 | Development Economics | 4 | 100 | 330 | 328 |
| 578 | Biological Systems | 12 | 100 | 124 | 487 |
| 580 | Speech-Language Pathology | 4 | 99 | 220 | 217 |
| 580 | Pharmacognosy | 4 | 99 | 1538 | 1788 |
| 580 | Communication Policy | 1 | 99 | 194 | 86 |
| 580 | Telecommunication Policy | 1 | 99 | 194 | 86 |
| 580 | Entropy | 5 | 99 | 910 | 779 |
| 580 | Liposomes | 3 | 99 | 589 | 556 |
| 580 | automatic speech recognition | 4 | 99 | 91 | 125 |
| 580 | Lipid bilayers | 3 | 99 | 497 | 476 |
| 588 | Alternative Medicine | 4 | 98 | 1245 | 1353 |
| 589 | Photochemistry | 5 | 97 | 1285 | 1471 |
| 589 | Therapeutics | 6 | 97 | 978 | 1300 |
| 591 | medical education | 6 | 96 | 1078 | 1209 |
| 591 | technical education | 6 | 96 | 426 | 525 |
| 591 | rehabilitation | 7 | 96 | 1279 | 1691 |
| 594 | Metabolism | 5 | 95 | 1501 | 1945 |
| 594 | Pediatric Neurology | 1 | 95 | 1007 | 918 |
| 594 | Water Purification | 6 | 95 | 764 | 905 |
| 594 | Cell death | 3 | 95 | 927 | 1150 |
| 594 | pain | 3 | 95 | 1090 | 1086 |
| 599 | Environmental Law | 2 | 94 | 1166 | 1305 |
| 599 | Microeconomics | 3 | 94 | 331 | 267 |
| 599 | Child welfare | 9 | 94 | 546 | 845 |
| 599 | Public Finance | 6 | 94 | 64 | 66 |
| 599 | Wildlife management | 3 | 94 | 504 | 363 |
| 604 | Environmental Toxicology | 5 | 93 | 1784 | 2312 |
| 604 | population geography | 1 | 93 | 667 | 360 |
| 604 | Pregnancy | 4 | 93 | 655 | 679 |
| 607 | Cosmology | 8 | 91 | 362 | 540 |
| 607 | nuclear astrophysics | 8 | 91 | 272 | 462 |
| 607 | urban population | 2 | 91 | 277 | 312 |
| 610 | Electrical Engineering | 21 | 90 | 1262 | 1985 |
| 610 | Combustion | 1 | 90 | 1690 | 1107 |
| 610 | Metabolic diseases | 5 | 90 | 1327 | 1740 |
| 610 | Investment analysis | 8 | 90 | 480 | 812 |
| 614 | Humanities | 14 | 89 | 628 | 1109 |
| 614 | Serology | 2 | 89 | 605 | 449 |
| 614 | Seismology | 4 | 89 | 382 | 372 |
| 614 | Earthquakes | 4 | 89 | 277 | 260 |
| 618 | Radiology | 3 | 88 | 1169 | 877 |
| 618 | Human evolution | 6 | 88 | 267 | 490 |
| 620 | Industrial Microbiology | 5 | 87 | 1422 | 1941 |
| 620 | Antioxidants | 3 | 87 | 693 | 906 |
| 620 | industrial relations | 7 | 87 | 509 | 648 |
| 620 | free radicals | 3 | 87 | 1170 | 1413 |
| 620 | vitamin C | 3 | 87 | 380 | 497 |
| 620 | vitamin E | 3 | 87 | 380 | 497 |
| 626 | Fuzzy systems | 9 | 86 | 878 | 1208 |
| 627 | Adolescent | 8 | 85 | 1146 | 1630 |
| 627 | Soil ecology | 5 | 85 | 563 | 882 |
| 629 | Morphology | 17 | 84 | 258 | 642 |
| 629 | Expert Systems | 4 | 84 | 113 | 138 |
| 629 | Hormones | 2 | 84 | 1208 | 1121 |
| 632 | Population | 2 | 83 | 1015 | 888 |
| 633 | Plasma chemistry | 6 | 82 | 245 | 362 |
| 634 | Medical Laboratory Science | 5 | 81 | 1366 | 1933 |
| 634 | Chromatography | 4 | 81 | 1324 | 1341 |
| 634 | Nanoparticles | 7 | 81 | 1205 | 1766 |
| 634 | Chromatographic analysis | 4 | 81 | 1506 | 1463 |
| 638 | Fiber Optics | 4 | 80 | 787 | 818 |
| 638 | Computational Complexity | 7 | 80 | 643 | 765 |
| 638 | Social behavior | 6 | 80 | 788 | 1103 |
| 641 | Semiotics | 5 | 79 | 250 | 124 |
| 641 | Mental illness | 3 | 79 | 1479 | 1661 |
| 643 | Chronobiology | 3 | 78 | 489 | 443 |
| 643 | Circadian rhythms | 3 | 78 | 348 | 392 |
| 643 | biological clocks | 3 | 78 | 489 | 443 |
| 643 | circadian rhythm | 3 | 78 | 489 | 443 |
| 643 | biological rhythms | 3 | 78 | 461 | 435 |
| 643 | Agricultural systems | 2 | 78 | 365 | 419 |
| 649 | Ultrasound | 2 | 77 | 822 | 710 |
| 650 | Horticulture | 3 | 76 | 740 | 647 |
| 650 | Plant Taxonomy | 28 | 76 | 49 | 367 |
| 650 | philology | 13 | 76 | 230 | 66 |
| 650 | Pesticides | 4 | 76 | 520 | 578 |
| 654 | Structural dynamics | 2 | 75 | 1074 | 1134 |
| 654 | poverty | 3 | 75 | 373 | 402 |
| 656 | Natural resources | 2 | 74 | 878 | 819 |
| 657 | Clinical Chemistry | 4 | 73 | 1884 | 2221 |
| 657 | Mathematical Physics | 9 | 73 | 1752 | 2069 |
| 657 | France | 4 | 73 | 353 | 224 |
| 657 | Southern states | 3 | 73 | 287 | 160 |
| 661 | Medical Physics | 3 | 72 | 1354 | 1386 |
| 661 | Real-time Data Processing | 3 | 72 | 110 | 107 |
| 661 | Plant genetic engineering | 5 | 72 | 610 | 993 |
| 661 | Graphene | 1 | 72 | 257 | 208 |
| 661 | India | 2 | 72 | 1852 | 772 |
| 666 | Educational Sociology | 2 | 71 | 478 | 346 |
| 666 | ecotourism | 3 | 71 | 243 | 326 |
| 668 | Agricultural Science | 2 | 70 | 250 | 337 |
| 668 | Regional Economics | 5 | 70 | 322 | 456 |
| 668 | Measurement | 3 | 70 | 1352 | 1306 |
| 668 | Investments | 4 | 70 | 413 | 427 |
| 672 | international trade | 4 | 69 | 625 | 664 |
| 672 | Ultrasonic Imaging | 1 | 69 | 837 | 541 |
| 674 | Photobiology | 4 | 68 | 1180 | 1444 |
| 674 | optical devices | 4 | 68 | 383 | 446 |
| 676 | Histology | 4 | 67 | 1415 | 1706 |
| 676 | microwave antennas | 3 | 67 | 397 | 289 |
| 676 | Flood control | 2 | 67 | 332 | 224 |
| 676 | Jurisprudence | 7 | 67 | 576 | 760 |
| 680 | Public Health Administration | 4 | 66 | 309 | 287 |
| 680 | Sleep Disorders | 8 | 66 | 807 | 1244 |
| 680 | Sleep | 8 | 66 | 813 | 1259 |
| 683 | Ecological Genetics | 2 | 65 | 786 | 565 |
| 683 | Music | 8 | 65 | 479 | 658 |
| 683 | Anxiety Disorders | 2 | 65 | 588 | 722 |
| 683 | Anxiety | 2 | 65 | 585 | 718 |
| 683 | Neuromuscular diseases | 2 | 65 | 628 | 620 |
| 683 | income | 2 | 65 | 199 | 185 |
| 683 | animals | 5 | 65 | 945 | 1037 |
| 683 | Input-output analysis | 2 | 65 | 294 | 260 |
| 683 | Wealth | 2 | 65 | 199 | 185 |
| 683 | Imaging systems | 4 | 65 | 694 | 576 |
| 683 | Muscles | 2 | 65 | 830 | 887 |
| 683 | Meteorites | 1 | 65 | 1070 | 995 |
| 695 | Autoantibodies | 1 | 64 | 735 | 658 |
| 695 | Freeze-Drying | 2 | 64 | 465 | 396 |
| 695 | Autoimmunity | 1 | 64 | 886 | 827 |
| 695 | Hypothermia | 2 | 64 | 465 | 396 |
| 695 | Chromosome mapping | 2 | 64 | 1761 | 1811 |
| 695 | Freeze Drying | 2 | 64 | 465 | 396 |
| 695 | Autoimmune diseases | 1 | 64 | 809 | 702 |
| 695 | gene mapping | 2 | 64 | 1876 | 1976 |
| 703 | Political Science | 4 | 63 | 1422 | 1236 |
| 703 | Radiography | 2 | 63 | 782 | 909 |
| 703 | Behavioral research | 1 | 63 | 1150 | 475 |
| 703 | Scanning electron microscopy | 1 | 63 | 293 | 133 |
| 703 | Stress | 4 | 63 | 201 | 381 |
| 708 | Mechatronics | 3 | 62 | 890 | 1005 |
| 709 | Computer-Aided Design | 3 | 61 | 1200 | 1229 |
| 709 | Cerebral cortex | 1 | 61 | 1129 | 1004 |
| 711 | Emergency Medical Services | 1 | 60 | 1018 | 630 |
| 711 | epilepsy | 1 | 60 | 1225 | 884 |
| 711 | Urbanization | 5 | 60 | 97 | 189 |
| 711 | Magnetic Resonance Spectroscopy | 9 | 60 | 629 | 940 |
| 711 | Financial Institutions | 1 | 60 | 744 | 470 |
| 716 | Mineralogy | 7 | 59 | 825 | 1209 |
| 716 | Cytogenetics | 2 | 59 | 1298 | 1386 |
| 716 | nuclear magnetic resonance spectroscopy | 8 | 59 | 433 | 638 |
| 716 | NMR | 8 | 59 | 284 | 465 |
| 716 | magnetic resonance | 8 | 59 | 288 | 481 |
| 721 | Semantic web | 2 | 58 | 119 | 134 |
| 721 | sexual behavior | 2 | 58 | 816 | 786 |
| 723 | feeding behavior | 5 | 57 | 515 | 935 |
| 723 | Heterocyclic compounds | 3 | 57 | 1009 | 823 |
| 723 | Appetite | 5 | 57 | 454 | 850 |
| 726 | Genetics | 5 | 56 | 2303 | 3138 |
| 726 | Special Education | 4 | 56 | 670 | 705 |
| 726 | Wireless Communication Systems | 2 | 56 | 2422 | 2080 |
| 726 | Social welfare | 4 | 56 | 470 | 552 |
| 726 | Cognitive neuroscience | 1 | 56 | 1331 | 1131 |
| 726 | Neuroplasticity | 1 | 56 | 504 | 404 |
| 726 | Groundwater | 5 | 56 | 373 | 632 |
| 726 | human development | 1 | 56 | 1227 | 999 |
| 734 | Raman spectroscopy | 1 | 55 | 1277 | 924 |
| 734 | counseling | 4 | 55 | 1071 | 1255 |
| 734 | Lipids | 1 | 55 | 1682 | 1479 |
| 737 | Civil Engineering | 6 | 54 | 1034 | 1182 |
| 737 | Information Retrieval | 4 | 54 | 373 | 594 |
| 737 | Biotransformation | 4 | 54 | 72 | 107 |
| 737 | Feminism | 7 | 54 | 355 | 546 |
| 737 | Globalization | 2 | 54 | 740 | 660 |
| 737 | individual differences | 2 | 54 | 377 | 479 |
| 737 | curriculum evaluation | 3 | 54 | 381 | 444 |
| 744 | Computer Science | 3 | 53 | 2052 | 1886 |
| 744 | Disability Studies | 3 | 53 | 257 | 294 |
| 744 | Flood forecasting | 1 | 53 | 248 | 169 |
| 747 | Applied Linguistics | 10 | 52 | 255 | 589 |
| 747 | Family Therapy | 2 | 52 | 867 | 745 |
| 747 | child mental health | 2 | 52 | 573 | 534 |
| 750 | Discourse Analysis | 2 | 51 | 480 | 467 |
| 750 | Industrial Safety | 3 | 51 | 1159 | 1299 |
| 750 | Heat Exchangers | 3 | 51 | 1228 | 1625 |
| 750 | Detectors | 6 | 51 | 1070 | 1670 |
| 754 | Immunopathology | 2 | 50 | 1068 | 1176 |
| 754 | Computational Intelligence | 4 | 50 | 548 | 752 |
| 754 | Soil fertility | 2 | 50 | 393 | 558 |
| 757 | Gender Studies | 6 | 49 | 334 | 642 |
| 757 | Nuclear Fusion | 3 | 49 | 534 | 543 |
| 757 | sexual orientation | 5 | 49 | 45 | 173 |
| 757 | Parasitology | 2 | 49 | 2288 | 2136 |
| 757 | Gender identity | 5 | 49 | 193 | 282 |
| 757 | carbonate rocks | 1 | 49 | 281 | 95 |
| 757 | fusion reactors | 3 | 49 | 379 | 327 |
| 757 | sports injuries | 2 | 49 | 682 | 596 |
| 765 | Structural design | 1 | 48 | 1309 | 955 |
| 765 | Sustainable agriculture | 3 | 48 | 688 | 923 |
| 765 | sedimentary basins | 2 | 48 | 242 | 303 |
| 765 | infrared radiation | 2 | 48 | 740 | 616 |
| 765 | Medicinal plants | 2 | 48 | 1587 | 1845 |
| 765 | Energy metabolism | 1 | 48 | 790 | 733 |
| 765 | Smart Materials | 1 | 48 | 1485 | 1069 |
| 765 | Chemical processes | 3 | 48 | 561 | 649 |
| 765 | cell membrane | 1 | 48 | 754 | 705 |
| 774 | Human biology | 4 | 47 | 526 | 682 |
| 775 | Clinical Psychology | 1 | 46 | 1555 | 1345 |
| 775 | Pharmaceutical Chemistry | 2 | 46 | 3197 | 3188 |
| 775 | Edible plants | 2 | 46 | 285 | 428 |
| 778 | Psychiatric Nursing | 5 | 45 | 499 | 768 |
| 778 | Crystallography | 6 | 45 | 1209 | 1178 |
| 778 | civilization | 23 | 45 | 259 | 490 |
| 778 | Aggression | 3 | 45 | 477 | 714 |
| 782 | Environmental Geochemistry | 5 | 44 | 334 | 821 |
| 782 | Social policy | 8 | 44 | 574 | 1107 |
| 782 | Molecular Spectroscopy | 2 | 44 | 2023 | 2031 |
| 782 | Enzyme | 2 | 44 | 663 | 880 |
| 782 | Safety management | 1 | 44 | 1153 | 649 |
| 782 | urban forestry | 2 | 44 | 347 | 395 |
| 782 | Minerals | 5 | 44 | 555 | 1070 |
| 789 | Combinatorial chemistry | 1 | 43 | 1055 | 1066 |
| 789 | Cardiovascular diseases | 1 | 43 | 1779 | 1407 |
| 789 | Tropical Medicine | 4 | 43 | 1388 | 1774 |
| 789 | Autonomous robots | 3 | 43 | 159 | 311 |
| 789 | bees | 2 | 43 | 478 | 465 |
| 794 | Mobile Computing | 1 | 42 | 1651 | 1222 |
| 794 | Macroeconomics | 8 | 42 | 161 | 425 |
| 794 | Neonatology | 5 | 42 | 401 | 726 |
| 794 | air quality | 1 | 42 | 537 | 371 |
| 794 | Building | 2 | 42 | 670 | 566 |
| 794 | cardiac catheterization | 2 | 42 | 631 | 559 |
| 794 | alcoholism | 3 | 42 | 1190 | 1513 |
| 801 | Quantum electronics | 3 | 41 | 1533 | 1591 |
| 801 | Structural health monitoring | 1 | 41 | 373 | 365 |
| 801 | healthcare disparities | 1 | 41 | 794 | 666 |
| 801 | structural stability | 1 | 41 | 515 | 528 |
| 801 | extraterrestrial environment | 2 | 41 | 705 | 670 |
| 801 | lasers | 7 | 41 | 1441 | 2107 |
| 801 | Economic planning | 4 | 41 | 412 | 772 |
| 801 | Menopause | 1 | 41 | 498 | 408 |
| 809 | Patient education | 2 | 40 | 662 | 821 |
| 809 | Regional Development | 2 | 40 | 339 | 396 |
| 809 | Hallucinogens | 1 | 40 | 326 | 286 |
| 809 | Development planning | 2 | 40 | 299 | 370 |
| 809 | drug abuse | 1 | 40 | 952 | 754 |
| 814 | Genetic engineering | 2 | 39 | 2027 | 2261 |
| 814 | Machine Learning | 3 | 39 | 327 | 452 |
| 814 | Bioethics | 2 | 39 | 1081 | 997 |
| 814 | Medical Ethics | 2 | 39 | 1271 | 1169 |
| 814 | digital preservation | 4 | 39 | 34 | 111 |
| 814 | Gerontology | 3 | 39 | 1688 | 1809 |
| 814 | nursing ethics | 2 | 39 | 306 | 457 |
| 814 | Beetles | 6 | 39 | 66 | 58 |
| 814 | drug addiction | 2 | 39 | 1080 | 1288 |
| 814 | Pancreatic diseases | 1 | 39 | 523 | 422 |
| 824 | Community Psychiatry | 2 | 38 | 1011 | 1228 |
| 824 | Marine Geophysics | 5 | 38 | 157 | 348 |
| 824 | Marine mineral resources | 5 | 38 | 83 | 185 |
| 824 | Scandinavia | 4 | 38 | 477 | 734 |
| 824 | Seabed | 5 | 38 | 83 | 185 |
| 824 | migration policy | 3 | 38 | 200 | 344 |
| 830 | Fluid Mechanics | 3 | 37 | 1396 | 1616 |
| 830 | Higher Education | 5 | 37 | 448 | 789 |
| 830 | Nuclear Chemistry | 2 | 37 | 1238 | 1042 |
| 830 | Bioinorganic chemistry | 3 | 37 | 1328 | 1681 |
| 830 | Energy Harvesting | 1 | 37 | 650 | 821 |
| 830 | Critical theory | 1 | 37 | 357 | 187 |
| 830 | Parasitic Diseases | 1 | 37 | 2311 | 2072 |
| 830 | Food Security | 1 | 37 | 314 | 329 |
| 830 | disease vectors | 1 | 37 | 1357 | 1290 |
| 830 | Parasites | 1 | 37 | 2070 | 1763 |
| 830 | Development | 2 | 37 | 931 | 1192 |
| 830 | Synapses | 1 | 37 | 418 | 424 |
| 830 | Economic Assistance | 2 | 37 | 819 | 1112 |
| 830 | world | 2 | 37 | 832 | 1208 |
| 844 | Algebra | 4 | 36 | 1312 | 1197 |
| 844 | health behavior | 4 | 36 | 715 | 1150 |
| 844 | Viticulture | 1 | 36 | 217 | 177 |
| 844 | Molecular cloning | 1 | 36 | 1905 | 1701 |
| 844 | Genetic recombination | 1 | 36 | 1874 | 1686 |
| 844 | Coral reef biology | 2 | 36 | 365 | 484 |
| 844 | disabilities | 3 | 36 | 665 | 906 |
| 844 | supercritical fluids | 2 | 36 | 489 | 689 |
| 844 | Wine | 1 | 36 | 117 | 73 |
| 844 | cultural pluralism | 3 | 36 | 416 | 556 |
| 844 | Recombinant DNA | 1 | 36 | 1952 | 1759 |
| 855 | Chemical Ecology | 3 | 35 | 508 | 857 |
| 855 | gene therapy | 1 | 35 | 1186 | 1207 |
| 855 | Genetic therapy | 1 | 35 | 1189 | 1205 |
| 855 | Nonlinear mechanics | 3 | 35 | 450 | 631 |
| 859 | Language Disorders | 2 | 34 | 912 | 970 |
| 859 | Ethnoarchaeology | 3 | 34 | 170 | 313 |
| 859 | Heterocyclic chemistry | 1 | 34 | 1000 | 569 |
| 859 | income distribution | 2 | 34 | 205 | 286 |
| 859 | vibration | 2 | 34 | 1316 | 1476 |
| 859 | Asymmetric synthesis | 1 | 34 | 263 | 142 |
| 859 | nucleic acids | 4 | 34 | 1187 | 1797 |
| 859 | Radioisotopes | 3 | 34 | 993 | 1076 |
| 859 | Maps | 4 | 34 | 113 | 227 |
| 868 | Human Geography | 4 | 33 | 913 | 1277 |
| 868 | Critical Discourse Analysis | 1 | 33 | 112 | 97 |
| 868 | Ecohydrology | 2 | 33 | 473 | 531 |
| 868 | mass transfer | 1 | 33 | 2214 | 2078 |
| 868 | Wales | 2 | 33 | 149 | 121 |
| 868 | scholarly publishing | 2 | 33 | 150 | 178 |
| 868 | Paleobotany | 2 | 33 | 210 | 296 |
| 868 | immigration | 1 | 33 | 372 | 354 |
| 868 | Vegetation dynamics | 2 | 33 | 197 | 288 |
| 868 | Asylum seeker | 1 | 33 | 303 | 342 |
| 868 | educational innovations | 1 | 33 | 951 | 806 |
| 879 | Biogeochemical cycles | 1 | 32 | 586 | 782 |
| 879 | Corporate governance | 1 | 32 | 1093 | 1041 |
| 881 | Developed countries | 2 | 31 | 297 | 406 |
| 881 | Credit | 2 | 31 | 130 | 205 |
| 881 | Money | 2 | 31 | 462 | 683 |
| 884 | Materials Engineering | 3 | 30 | 758 | 988 |
| 884 | Cartography | 3 | 30 | 436 | 527 |
| 884 | Psycholinguistics | 1 | 30 | 1321 | 1253 |
| 884 | Light | 2 | 30 | 995 | 1321 |
| 884 | Writing | 1 | 30 | 511 | 507 |
| 884 | Reading | 1 | 30 | 919 | 810 |
| 884 | economic analysis | 1 | 30 | 490 | 465 |
| 884 | cell physiology | 1 | 30 | 1683 | 1856 |
| 892 | Dynamics | 2 | 29 | 1888 | 1802 |
| 892 | Ethnic relations | 3 | 29 | 596 | 701 |
| 892 | Thrombosis | 1 | 29 | 1148 | 1157 |
| 892 | Reproductive toxicology | 2 | 29 | 522 | 756 |
| 892 | environmental exposure | 2 | 29 | 2067 | 2657 |
| 892 | vascular diseases | 1 | 29 | 876 | 973 |
| 892 | Decision making | 5 | 29 | 1068 | 1962 |
| 899 | Musicology | 5 | 28 | 121 | 246 |
| 899 | Clinical Biochemistry | 2 | 28 | 1194 | 1372 |
| 899 | social marketing | 2 | 28 | 77 | 124 |
| 899 | econometric models | 5 | 28 | 447 | 1062 |
| 903 | Clinical Immunology | 1 | 27 | 1188 | 1288 |
| 903 | cosmic rays | 1 | 27 | 682 | 560 |
| 903 | Evidence-Based Medicine | 3 | 27 | 665 | 1158 |
| 903 | global environmental change | 5 | 27 | 549 | 1407 |
| 903 | Animal welfare | 1 | 27 | 515 | 508 |
| 903 | biological monitoring | 2 | 27 | 611 | 930 |
| 903 | World Wide Web | 1 | 27 | 838 | 546 |
| 910 | Computer Engineering | 2 | 26 | 1253 | 1447 |
| 910 | Quantum Chemistry | 2 | 26 | 191 | 285 |
| 910 | Multicultural Education | 2 | 26 | 513 | 574 |
| 910 | soil pollution | 1 | 26 | 1055 | 1009 |
| 910 | dietary supplements | 2 | 26 | 1068 | 1539 |
| 910 | Health promotion | 6 | 26 | 714 | 1390 |
| 910 | insurance | 2 | 26 | 467 | 566 |
| 910 | Microbiota | 1 | 26 | 197 | 192 |
| 918 | Psychometrics | 3 | 25 | 432 | 639 |
| 918 | Metaphor | 1 | 25 | 73 | 90 |
| 920 | Oncology | 2 | 24 | 1938 | 2688 |
| 920 | Nanomedicine | 1 | 24 | 491 | 622 |
| 920 | Synchrotron Radiation | 1 | 24 | 603 | 546 |
| 920 | population policy | 1 | 24 | 281 | 282 |
| 920 | Transplantation | 1 | 24 | 1058 | 1131 |
| 920 | pheromones | 2 | 24 | 576 | 915 |
| 920 | probabilities | 5 | 24 | 1066 | 1320 |
| 920 | Psychiatric Epidemiology | 1 | 24 | 746 | 926 |
| 920 | Liquid chromatography | 1 | 24 | 886 | 638 |
| 929 | Urban Planning | 3 | 23 | 372 | 776 |
| 929 | Dietetics | 1 | 23 | 817 | 762 |
| 929 | Algorithms | 3 | 23 | 752 | 1002 |
| 929 | Food Microbiology | 1 | 23 | 1687 | 1970 |
| 929 | Combinatorial optimization | 5 | 23 | 350 | 670 |
| 929 | Mass Media | 5 | 23 | 627 | 839 |
| 929 | foreign exchange | 2 | 23 | 443 | 652 |
| 929 | Family | 3 | 23 | 944 | 1411 |
| 929 | Computer Literacy | 1 | 23 | 468 | 517 |
| 929 | Acarology | 1 | 23 | 519 | 515 |
| 929 | Egypt | 1 | 23 | 1125 | 1180 |
| 929 | Mites | 1 | 23 | 705 | 610 |
| 929 | Ticks | 1 | 23 | 503 | 513 |
| 929 | Acari | 1 | 23 | 503 | 513 |
| 943 | Inorganic Chemistry | 1 | 22 | 120 | 162 |
| 943 | Organizational learning | 6 | 22 | 157 | 827 |
| 943 | Schizophrenia | 1 | 22 | 1168 | 1271 |
| 943 | Flexible manufacturing systems | 1 | 22 | 783 | 896 |
| 943 | Green Technology | 3 | 22 | 384 | 964 |
| 943 | Group decision making | 2 | 22 | 615 | 813 |
| 943 | scientific societies | 5 | 22 | 479 | 1165 |
| 943 | astronomical phenomena | 1 | 22 | 863 | 817 |
| 951 | Mechanical Engineering | 5 | 21 | 1902 | 2614 |
| 951 | Stochastic Processes | 4 | 21 | 795 | 1284 |
| 951 | Pragmatics | 5 | 21 | 11 | 56 |
| 951 | Organizational change | 5 | 21 | 529 | 1248 |
| 951 | occupational diseases | 1 | 21 | 1141 | 1310 |
| 951 | overuse injuries | 1 | 21 | 31 | 26 |
| 951 | Public Choice | 1 | 21 | 614 | 614 |
| 951 | Learning | 2 | 21 | 1352 | 1813 |
| 951 | Spanish language | 7 | 21 | 34 | 49 |
| 951 | Liver diseases | 1 | 21 | 1365 | 1553 |
| 961 | Philosophy | 3 | 20 | 1459 | 1252 |
| 961 | Ichnology | 1 | 20 | 146 | 166 |
| 961 | Cryptography | 3 | 20 | 680 | 802 |
| 961 | Operator theory | 3 | 20 | 455 | 532 |
| 961 | Trace fossils | 1 | 20 | 146 | 166 |
| 961 | consumer behavior | 1 | 20 | 973 | 1142 |
| 961 | Exercise therapy | 4 | 20 | 362 | 752 |
| 961 | Child psychology | 4 | 20 | 1132 | 1959 |
| 961 | X-ray crystallography | 3 | 20 | 519 | 685 |
| 961 | Classroom Environment | 2 | 20 | 86 | 223 |
| 961 | humor | 2 | 20 | 21 | 36 |
| 961 | muscle strength | 4 | 20 | 44 | 147 |
| 973 | Geothermal Energy | 1 | 19 | 468 | 569 |
| 973 | Economic Thought | 2 | 19 | 374 | 630 |
| 973 | Advertising | 1 | 19 | 548 | 711 |
| 973 | Smoking | 1 | 19 | 1029 | 1216 |
| 973 | Substance Abuse | 1 | 19 | 1798 | 1809 |
| 973 | exobiology | 1 | 19 | 470 | 573 |
| 973 | economic conditions | 2 | 19 | 610 | 798 |
| 973 | Cognition | 2 | 19 | 1806 | 2267 |
| 973 | Digestive system diseases | 1 | 19 | 1067 | 1145 |
| 982 | Occupational Health | 3 | 18 | 988 | 1467 |
| 982 | Philosophy of Mind | 1 | 18 | 505 | 461 |
| 982 | School Psychology | 2 | 18 | 547 | 836 |
| 982 | industrial hygiene | 3 | 18 | 970 | 1350 |
| 982 | moral development | 1 | 18 | 251 | 333 |
| 982 | Genetic variation | 2 | 18 | 148 | 315 |
| 982 | Feeding and Eating Disorders | 1 | 18 | 1124 | 1224 |
| 982 | Erosion | 1 | 18 | 241 | 356 |
| 990 | Signal Transduction | 2 | 17 | 1414 | 2017 |
| 990 | Sociolinguistics | 2 | 17 | 571 | 736 |
| 990 | Environmental Education | 2 | 17 | 458 | 734 |
| 990 | Urban Geography | 1 | 17 | 411 | 489 |
| 990 | Behavioral Genetics | 2 | 17 | 283 | 500 |
| 990 | technology transfer | 1 | 17 | 550 | 662 |
| 990 | elder abuse | 2 | 17 | 366 | 681 |
| 990 | Technological Innovations | 1 | 17 | 1753 | 1869 |
| 990 | Wetland ecology | 2 | 17 | 573 | 885 |
| 990 | Wetland conservation | 2 | 17 | 406 | 699 |
| 990 | labor | 2 | 17 | 426 | 507 |