| 1 | Chemistry | 936 | 28.7K | 441 | 582 |
| 2 | Materials | 307 | 26.4K | 544 | 263 |
| 3 | Biochemistry | 797 | 25.1K | 484 | 535 |
| 4 | Microbiology | 553 | 17.0K | 280 | 430 |
| 5 | Chemical Engineering | 382 | 16.6K | 247 | 241 |
| 6 | Molecular Biology | 482 | 16.5K | 495 | 603 |
| 7 | Agricultural Chemistry | 278 | 16.4K | 45 | 18 |
| 8 | Science | 395 | 13.9K | 646 | 901 |
| 9 | Polymers | 413 | 13.7K | 242 | 247 |
| 10 | Biotechnology | 419 | 13.4K | 197 | 376 |
| 11 | Ecology | 282 | 13.2K | 478 | 525 |
| 12 | polymerization | 362 | 12.3K | 206 | 194 |
| 13 | Medicine | 474 | 12.2K | 583 | 742 |
| 14 | Pollution | 201 | 11.4K | 461 | 435 |
| 15 | Biology | 306 | 11.3K | 705 | 965 |
| 16 | Research | 374 | 10.3K | 576 | 631 |
| 17 | Biochemical Engineering | 187 | 9.8K | 205 | 268 |
| 18 | Analytical Chemistry | 272 | 9.8K | 276 | 267 |
| 19 | Environmental monitoring | 195 | 9.4K | 144 | 138 |
| 20 | Nanotechnology | 315 | 9.3K | 337 | 523 |
| 21 | environmental pollution | 197 | 9.1K | 273 | 261 |
| 22 | Environment | 176 | 9.0K | 447 | 569 |
| 23 | Physics | 450 | 8.6K | 755 | 1256 |
| 24 | Electrochemistry | 515 | 8.3K | 122 | 234 |
| 25 | Biocompatible Materials | 183 | 8.2K | 357 | 406 |
| 26 | Bioengineering | 241 | 8.0K | 216 | 376 |
| 27 | Materials Science | 172 | 7.8K | 482 | 438 |
| 28 | Virology | 202 | 7.1K | 216 | 392 |
| 29 | Biophysics | 285 | 6.8K | 490 | 608 |
| 30 | Nutrition | 154 | 6.7K | 365 | 338 |
| 31 | Botany | 174 | 6.7K | 429 | 461 |
| 32 | Toxicology | 169 | 6.6K | 403 | 383 |
| 33 | Biomass Energy | 112 | 6.5K | 145 | 146 |
| 34 | Colloids | 154 | 6.3K | 410 | 382 |
| 35 | Biomedical Engineering | 235 | 5.9K | 301 | 438 |
| 36 | Electronics | 278 | 5.9K | 164 | 228 |
| 37 | Entomology | 196 | 5.6K | 81 | 71 |
| 38 | Surface Chemistry | 137 | 5.3K | 459 | 407 |
| 39 | Food | 118 | 5.3K | 233 | 186 |
| 40 | Catalysis | 143 | 5.1K | 504 | 584 |
| 41 | food technology | 132 | 5.1K | 174 | 147 |
| 42 | management | 68 | 4.9K | 595 | 441 |
| 43 | Pharmacology | 154 | 4.8K | 656 | 640 |
| 44 | Cell Biology | 106 | 4.8K | 548 | 680 |
| 45 | Energy Policy | 41 | 4.7K | 558 | 234 |
| 46 | plant molecular biology | 89 | 4.4K | 156 | 228 |
| 47 | Plant diseases | 231 | 4.3K | 65 | 116 |
| 48 | Plant cells | 45 | 4.3K | 240 | 255 |
| 49 | Plant physiology | 99 | 4.2K | 220 | 258 |
| 50 | Cytology | 116 | 4.2K | 584 | 736 |
| 51 | Environmental Engineering | 106 | 4.1K | 356 | 422 |
| 52 | Food Microbiology | 66 | 4.1K | 83 | 76 |
| 53 | actuators | 157 | 3.9K | 77 | 150 |
| 53 | transducers | 157 | 3.9K | 77 | 150 |
| 55 | nucleic acids | 44 | 3.6K | 365 | 312 |
| 56 | Environmental Health | 105 | 3.5K | 691 | 802 |
| 57 | Metallurgy | 42 | 3.4K | 500 | 248 |
| 58 | energy resources | 17 | 3.4K | 453 | 159 |
| 59 | Nanostructured Materials | 94 | 3.4K | 476 | 479 |
| 60 | Technology | 245 | 3.4K | 168 | 397 |
| 61 | Physiology | 98 | 3.1K | 629 | 664 |
| 62 | Plants | 52 | 3.1K | 331 | 324 |
| 63 | Telecommunication | 75 | 2.9K | 365 | 357 |
| 64 | Water pollution | 51 | 2.9K | 533 | 436 |
| 65 | Metals | 32 | 2.8K | 520 | 275 |
| 66 | computer networks | 56 | 2.7K | 373 | 215 |
| 67 | Business | 45 | 2.7K | 416 | 406 |
| 68 | Signal Processing | 86 | 2.6K | 362 | 414 |
| 69 | Plant genetic engineering | 68 | 2.5K | 51 | 84 |
| 70 | nanoscience | 69 | 2.5K | 486 | 608 |
| 71 | Industrial Engineering | 34 | 2.4K | 397 | 190 |
| 72 | Environmental Policy | 65 | 2.3K | 474 | 609 |
| 73 | Membranes | 52 | 2.2K | 320 | 355 |
| 74 | Cancer | 52 | 2.2K | 657 | 696 |
| 75 | Cybernetics | 32 | 2.2K | 354 | 248 |
| 76 | Engineering Geology | 56 | 2.2K | 181 | 170 |
| 77 | Mathematics | 122 | 2.1K | 1141 | 894 |
| 78 | Bacteriology | 60 | 2.1K | 310 | 394 |
| 79 | Economics | 130 | 2.1K | 546 | 681 |
| 80 | Clinical Chemistry | 59 | 2.1K | 469 | 486 |
| 81 | Microorganisms | 99 | 2.1K | 21 | 174 |
| 82 | Image Processing | 63 | 2.0K | 321 | 389 |
| 83 | Microbial Ecology | 49 | 2.0K | 431 | 534 |
| 84 | Environmental Management | 74 | 2.0K | 315 | 567 |
| 85 | Solid State Physics | 100 | 2.0K | 759 | 809 |
| 86 | Optics | 176 | 2.0K | 496 | 728 |
| 87 | Optical materials | 47 | 1.9K | 586 | 591 |
| 88 | Industrial Microbiology | 66 | 1.9K | 150 | 308 |
| 89 | Genetics | 54 | 1.9K | 695 | 844 |
| 90 | Carbon | 20 | 1.9K | 397 | 265 |
| 91 | United States | 49 | 1.9K | 1070 | 801 |
| 92 | Tourism | 32 | 1.9K | 319 | 293 |
| 93 | Water | 23 | 1.9K | 829 | 620 |
| 94 | Behavior | 27 | 1.8K | 982 | 760 |
| 95 | Pharmacognosy | 44 | 1.8K | 310 | 298 |
| 96 | Organic Chemistry | 98 | 1.7K | 449 | 671 |
| 97 | Neurology | 46 | 1.7K | 1182 | 1178 |
| 98 | Electrochemical Analysis | 68 | 1.7K | 152 | 181 |
| 99 | Plant Genetics | 43 | 1.7K | 64 | 122 |
| 100 | energy conservation | 32 | 1.7K | 447 | 465 |
| 101 | Social Change | 19 | 1.7K | 243 | 140 |
| 102 | viruses | 41 | 1.7K | 292 | 343 |
| 102 | finance | 61 | 1.7K | 360 | 364 |
| 104 | human behavior | 24 | 1.6K | 745 | 663 |
| 105 | environmental protection | 64 | 1.6K | 492 | 737 |
| 106 | Earthquake Engineering | 52 | 1.6K | 257 | 262 |
| 107 | Renewable Energy Sources | 19 | 1.6K | 1021 | 845 |
| 108 | mass transfer | 52 | 1.6K | 274 | 315 |
| 109 | Soil ecology | 17 | 1.6K | 210 | 93 |
| 110 | Insects | 67 | 1.6K | 112 | 157 |
| 111 | Nanostructures | 26 | 1.5K | 507 | 391 |
| 112 | Natural history | 27 | 1.5K | 949 | 1541 |
| 113 | Pharmaceutical Chemistry | 62 | 1.5K | 732 | 841 |
| 114 | System analysis | 60 | 1.5K | 327 | 349 |
| 115 | enzymes | 32 | 1.5K | 313 | 225 |
| 116 | Medicinal plants | 31 | 1.5K | 241 | 239 |
| 117 | Plant Ecology | 30 | 1.5K | 469 | 445 |
| 118 | Biosensors | 27 | 1.4K | 284 | 301 |
| 118 | Building Materials | 22 | 1.4K | 629 | 490 |
| 120 | Composite Materials | 44 | 1.4K | 644 | 749 |
| 121 | Photonics | 73 | 1.4K | 281 | 498 |
| 122 | free radicals | 27 | 1.4K | 317 | 354 |
| 123 | Bioelectronics | 23 | 1.4K | 258 | 259 |
| 124 | Ocean Engineering | 45 | 1.4K | 360 | 346 |
| 125 | Microelectronics | 102 | 1.4K | 151 | 448 |
| 126 | Green Chemistry | 29 | 1.4K | 476 | 486 |
| 127 | Genomics | 71 | 1.4K | 448 | 666 |
| 128 | Medical Oncology | 19 | 1.4K | 530 | 367 |
| 129 | Japan | 76 | 1.3K | 145 | 135 |
| 130 | Quantum electronics | 63 | 1.3K | 206 | 210 |
| 131 | Medical Laboratory Science | 40 | 1.3K | 376 | 517 |
| 132 | Spectrum analysis | 59 | 1.3K | 1000 | 1181 |
| 133 | sanitation | 17 | 1.3K | 535 | 540 |
| 134 | Comparative Physiology | 19 | 1.3K | 241 | 132 |
| 135 | Fluid Mechanics | 45 | 1.2K | 269 | 274 |
| 136 | Nanoparticles | 33 | 1.2K | 398 | 403 |
| 137 | micromechanics | 27 | 1.2K | 99 | 71 |
| 138 | Semiconductors | 74 | 1.2K | 211 | 244 |
| 139 | Heat Exchangers | 22 | 1.1K | 344 | 254 |
| 140 | Statistical physics | 63 | 1.1K | 828 | 945 |
| 141 | Neurochemistry | 30 | 1.1K | 699 | 668 |
| 142 | Economic History | 49 | 1.1K | 663 | 583 |
| 143 | Molecular structure | 56 | 1.1K | 331 | 527 |
| 144 | Biometrics | 21 | 1.1K | 332 | 196 |
| 145 | biomedicine | 35 | 1.1K | 25 | 33 |
| 146 | Information Science | 67 | 1.1K | 265 | 600 |
| 147 | Immunology | 51 | 1.1K | 673 | 946 |
| 148 | Reproduction | 51 | 1.1K | 419 | 544 |
| 149 | Chromatographic analysis | 35 | 1.1K | 371 | 254 |
| 150 | Organometallic compounds | 31 | 1.1K | 301 | 253 |
| 151 | lasers | 53 | 1.0K | 369 | 382 |
| 152 | soil microbiology | 33 | 1.0K | 331 | 527 |
| 153 | Automation | 36 | 1.0K | 576 | 692 |
| 154 | Chromatography | 31 | 1.0K | 327 | 226 |
| 155 | Ecological Engineering | 23 | 1.0K | 58 | 66 |
| 156 | Zoology | 44 | 997 | 558 | 542 |
| 157 | Technological Innovations | 23 | 976 | 169 | 124 |
| 158 | Electrophoresis | 30 | 975 | 350 | 299 |
| 159 | Nuclear Physics | 47 | 947 | 1345 | 1398 |
| 160 | Food additives | 22 | 944 | 257 | 268 |
| 161 | marketing | 24 | 942 | 628 | 626 |
| 162 | Animal breeding | 39 | 940 | 142 | 141 |
| 163 | Breeding | 45 | 938 | 186 | 257 |
| 164 | Evolution | 19 | 933 | 661 | 636 |
| 165 | hydrocolloids | 20 | 931 | 158 | 214 |
| 166 | dietary supplements | 40 | 924 | 38 | 100 |
| 167 | Artificial Intelligence | 67 | 909 | 661 | 1131 |
| 167 | biological evolution | 13 | 909 | 892 | 758 |
| 169 | Environmental pollutants | 61 | 907 | 224 | 588 |
| 170 | carcinogens | 18 | 899 | 246 | 229 |
| 171 | Condensed Matter | 52 | 890 | 895 | 1049 |
| 172 | coal | 25 | 887 | 443 | 498 |
| 173 | Water quality management | 32 | 885 | 349 | 311 |
| 174 | biological factors | 35 | 883 | 363 | 441 |
| 174 | supercritical fluids | 20 | 883 | 84 | 72 |
| 176 | Environmental Toxicology | 57 | 876 | 276 | 742 |
| 177 | Energy Conversion | 15 | 870 | 501 | 569 |
| 178 | Bioorganic chemistry | 45 | 865 | 643 | 893 |
| 179 | Asia | 77 | 864 | 199 | 383 |
| 180 | Education | 13 | 862 | 1738 | 807 |
| 181 | innovation | 10 | 860 | 257 | 255 |
| 181 | mutagens | 14 | 860 | 253 | 232 |
| 183 | Manufacturing Processes | 59 | 859 | 373 | 647 |
| 184 | Statistics | 66 | 858 | 497 | 617 |
| 185 | Immunity | 37 | 853 | 423 | 751 |
| 186 | Regional Planning | 4 | 845 | 1232 | 378 |
| 187 | Medical Microbiology | 21 | 844 | 715 | 765 |
| 188 | arthritis | 12 | 839 | 506 | 428 |
| 188 | proteins | 57 | 839 | 292 | 537 |
| 190 | ecosystem | 10 | 837 | 648 | 446 |
| 191 | Organometallic chemistry | 48 | 836 | 294 | 336 |
| 192 | Regional Development | 1 | 823 | 489 | 18 |
| 192 | Development planning | 1 | 823 | 453 | 15 |
| 192 | Economic planning | 1 | 823 | 938 | 49 |
| 195 | Robotics | 46 | 819 | 287 | 430 |
| 196 | Environmental Law | 19 | 818 | 295 | 435 |
| 197 | Forest Ecology | 17 | 817 | 353 | 289 |
| 198 | natural disasters | 29 | 815 | 188 | 266 |
| 199 | Waste management | 27 | 814 | 274 | 200 |
| 200 | Operations Research | 22 | 810 | 810 | 682 |
| 201 | Genetic engineering | 32 | 805 | 469 | 655 |
| 201 | Environmental Chemistry | 16 | 805 | 734 | 758 |
| 203 | Herbal medicine | 24 | 797 | 115 | 135 |
| 204 | Environmental Microbiology | 22 | 787 | 353 | 494 |
| 205 | Production Engineering | 65 | 786 | 243 | 428 |
| 206 | Mycology | 60 | 781 | 195 | 460 |
| 207 | Carcinogenesis | 14 | 774 | 320 | 257 |
| 208 | Econometrics | 45 | 769 | 239 | 357 |
| 208 | Vaccines | 28 | 769 | 398 | 421 |
| 210 | Immunopharmacology | 30 | 756 | 168 | 197 |
| 211 | Solar Energy | 23 | 754 | 448 | 551 |
| 212 | Solid State Chemistry | 63 | 751 | 440 | 704 |
| 213 | plant communities | 21 | 744 | 324 | 433 |
| 214 | Ultrasonics | 19 | 737 | 352 | 334 |
| 215 | Biogeography | 6 | 735 | 667 | 422 |
| 216 | Forest Management | 11 | 731 | 444 | 282 |
| 217 | Analytical Biochemistry | 24 | 730 | 421 | 426 |
| 218 | Insect biochemistry | 20 | 728 | 95 | 105 |
| 219 | Water Purification | 22 | 720 | 259 | 183 |
| 220 | Computer Graphics | 21 | 712 | 576 | 491 |
| 221 | Combustion | 7 | 706 | 802 | 357 |
| 222 | Immunotherapy | 21 | 699 | 529 | 651 |
| 223 | Sustainable Engineering | 22 | 688 | 474 | 580 |
| 224 | miniaturization | 27 | 687 | 498 | 756 |
| 225 | China | 63 | 685 | 407 | 675 |
| 226 | clay | 16 | 681 | 201 | 203 |
| 226 | wood | 48 | 681 | 49 | 72 |
| 228 | Metallic Glasses | 5 | 678 | 314 | 83 |
| 228 | Chromosome mapping | 29 | 678 | 406 | 600 |
| 228 | gene mapping | 29 | 678 | 463 | 669 |
| 231 | Plant Biotechnology | 22 | 671 | 147 | 186 |
| 232 | solar cells | 18 | 659 | 217 | 286 |
| 233 | Alternative Medicine | 18 | 657 | 400 | 302 |
| 234 | Quality Control | 27 | 655 | 321 | 416 |
| 234 | cytokines | 18 | 655 | 326 | 365 |
| 236 | Educational Technology | 23 | 651 | 398 | 400 |
| 236 | toxicity testing | 45 | 651 | 13 | 78 |
| 238 | Marine Biology | 23 | 647 | 911 | 925 |
| 238 | Pathology | 10 | 647 | 937 | 718 |
| 240 | Cell death | 14 | 646 | 476 | 545 |
| 241 | Proteome | 22 | 643 | 289 | 418 |
| 241 | pigments | 16 | 643 | 255 | 179 |
| 243 | Fluid Dynamics | 20 | 640 | 353 | 316 |
| 244 | Mechatronics | 32 | 634 | 128 | 214 |
| 245 | complementary therapies | 15 | 632 | 519 | 320 |
| 246 | Geomorphology | 15 | 626 | 592 | 560 |
| 247 | Structural Engineering | 20 | 623 | 602 | 519 |
| 248 | Antioxidants | 11 | 621 | 308 | 341 |
| 249 | animals | 32 | 615 | 208 | 220 |
| 250 | Antibacterial agents | 17 | 609 | 133 | 158 |
| 251 | Soil dynamics | 20 | 604 | 118 | 122 |
| 252 | health planning | 30 | 603 | 518 | 528 |
| 253 | Multimedia Systems | 40 | 598 | 266 | 397 |
| 254 | Computer Science | 21 | 595 | 604 | 379 |
| 255 | Fiber Optics | 33 | 594 | 210 | 253 |
| 256 | Plant tissue culture | 21 | 591 | 129 | 145 |
| 257 | Structural dynamics | 23 | 583 | 298 | 409 |
| 257 | concrete | 6 | 583 | 664 | 455 |
| 259 | Chemical analysis | 16 | 578 | 346 | 308 |
| 260 | Plant cell culture | 16 | 576 | 145 | 147 |
| 261 | Sonochemistry | 14 | 575 | 157 | 221 |
| 262 | Artificial Organs | 11 | 570 | 264 | 111 |
| 263 | Obesity | 12 | 559 | 830 | 769 |
| 264 | Astronomy | 31 | 557 | 966 | 1215 |
| 265 | Production Management | 7 | 552 | 738 | 624 |
| 266 | biofuels | 13 | 550 | 66 | 116 |
| 266 | natural products | 64 | 550 | 150 | 486 |
| 268 | Fungi | 44 | 547 | 143 | 431 |
| 269 | Environmental Geology | 27 | 545 | 343 | 531 |
| 270 | Hydrology | 32 | 544 | 620 | 866 |
| 271 | infection | 34 | 541 | 342 | 609 |
| 272 | fuel cells | 13 | 540 | 559 | 603 |
| 273 | Molecular Genetics | 17 | 536 | 685 | 785 |
| 274 | Mechanical Engineering | 53 | 534 | 447 | 645 |
| 274 | solar power | 12 | 534 | 287 | 300 |
| 276 | Tunneling | 11 | 533 | 138 | 131 |
| 276 | underground construction | 11 | 533 | 138 | 131 |
| 278 | Soil Mechanics | 18 | 532 | 409 | 426 |
| 279 | Ceramic materials | 20 | 525 | 405 | 406 |
| 279 | Entropy | 8 | 525 | 607 | 135 |
| 281 | Detectors | 32 | 523 | 288 | 431 |
| 282 | Biodiversity conservation | 9 | 517 | 822 | 895 |
| 283 | Metabolism | 18 | 514 | 891 | 1076 |
| 284 | Hazardous waste | 12 | 504 | 346 | 439 |
| 285 | Control Theory | 37 | 488 | 416 | 597 |
| 286 | Oncology | 16 | 484 | 743 | 1151 |
| 286 | protein | 33 | 484 | 227 | 431 |
| 288 | Climatology | 20 | 478 | 577 | 726 |
| 289 | Climate change | 5 | 472 | 701 | 784 |
| 289 | Eutrophication | 5 | 472 | 670 | 782 |
| 291 | Host-parasite interactions | 10 | 470 | 547 | 663 |
| 292 | plant viruses | 18 | 469 | 39 | 51 |
| 293 | Astrophysics | 28 | 465 | 1203 | 1412 |
| 294 | Computer Vision | 5 | 464 | 865 | 525 |
| 295 | Nanoelectronics | 28 | 462 | 139 | 132 |
| 295 | Neurophysiology | 17 | 462 | 1116 | 1238 |
| 297 | Bioinorganic chemistry | 23 | 458 | 454 | 553 |
| 298 | Engineering | 40 | 453 | 1083 | 1491 |
| 299 | animal diseases | 19 | 452 | 114 | 109 |
| 299 | North America | 15 | 452 | 237 | 152 |
| 301 | Leadership | 1 | 447 | 962 | 266 |
| 302 | Physical Chemistry | 15 | 445 | 969 | 939 |
| 303 | Organizational change | 4 | 442 | 639 | 205 |
| 304 | Plastics | 15 | 441 | 684 | 536 |
| 305 | Epidemiology | 21 | 439 | 1158 | 1284 |
| 306 | vitamin C | 8 | 438 | 154 | 131 |
| 306 | vitamin E | 8 | 438 | 154 | 131 |
| 308 | Flexible manufacturing systems | 14 | 437 | 73 | 83 |
| 309 | Proteomics | 8 | 435 | 574 | 457 |
| 309 | Interfaces | 26 | 435 | 12 | 37 |
| 311 | Molecular Microbiology | 7 | 429 | 510 | 515 |
| 312 | Semiconductor industry | 24 | 425 | 121 | 112 |
| 313 | Evidence-Based Medicine | 7 | 423 | 353 | 163 |
| 314 | Computational Biology | 25 | 422 | 705 | 1008 |
| 315 | Systems Engineering | 23 | 418 | 650 | 840 |
| 315 | research and development | 6 | 418 | 176 | 120 |
| 315 | software | 13 | 418 | 382 | 429 |
| 318 | Microbial Genetics | 14 | 417 | 84 | 140 |
| 318 | Cement | 2 | 417 | 687 | 377 |
| 318 | Aquaculture | 19 | 417 | 493 | 551 |
| 321 | Physical organic chemistry | 24 | 415 | 401 | 522 |
| 322 | Chemical industry | 16 | 413 | 448 | 326 |
| 323 | Agriculture | 24 | 412 | 571 | 802 |
| 324 | Information Systems | 23 | 409 | 311 | 466 |
| 325 | Oncogenes | 9 | 408 | 533 | 664 |
| 325 | phytopathogenic bacteria | 12 | 408 | 79 | 139 |
| 327 | Wireless Communication Systems | 54 | 407 | 440 | 970 |
| 328 | Endocrinology | 12 | 402 | 1237 | 1301 |
| 329 | Mass Spectrometry | 25 | 399 | 312 | 447 |
| 330 | Rock Mechanics | 13 | 397 | 394 | 425 |
| 331 | Food Preservation | 26 | 395 | 103 | 133 |
| 331 | Bioinformatics | 21 | 395 | 663 | 875 |
| 333 | Pharmaceutical Technology | 12 | 392 | 726 | 684 |
| 334 | Developmental Biology | 16 | 388 | 730 | 1005 |
| 334 | Bioremediation | 12 | 388 | 218 | 279 |
| 334 | Biodegradation | 12 | 388 | 192 | 255 |
| 337 | Neural circuitry | 27 | 387 | 517 | 960 |
| 337 | Metabolic diseases | 12 | 387 | 926 | 1076 |
| 337 | Virulence | 8 | 387 | 568 | 674 |
| 340 | Molecular evolution | 13 | 385 | 606 | 750 |
| 341 | Information Technology | 30 | 383 | 518 | 1024 |
| 342 | Molecular cloning | 22 | 377 | 361 | 567 |
| 343 | Enzyme | 13 | 376 | 147 | 223 |
| 343 | Recombinant DNA | 20 | 376 | 433 | 601 |
| 345 | Intercultural Communication | 3 | 375 | 438 | 110 |
| 345 | Telecommunication Systems | 57 | 375 | 129 | 511 |
| 347 | Stem cells | 13 | 370 | 593 | 666 |
| 347 | Communication | 14 | 370 | 908 | 919 |
| 349 | Surface-Active Agents | 7 | 369 | 671 | 525 |
| 349 | Transgenic plants | 11 | 369 | 125 | 157 |
| 349 | Surface properties | 7 | 369 | 714 | 580 |
| 352 | Dermatology | 11 | 364 | 775 | 676 |
| 353 | Soil Science | 20 | 361 | 628 | 923 |
| 354 | Aging | 7 | 359 | 1540 | 1092 |
| 355 | Microfabrication | 12 | 358 | 93 | 86 |
| 356 | cell physiology | 14 | 347 | 594 | 835 |
| 357 | Combinatorial chemistry | 7 | 343 | 421 | 416 |
| 357 | Soil biology | 16 | 343 | 335 | 614 |
| 359 | Parasitology | 18 | 341 | 886 | 963 |
| 360 | Cross-Cultural Studies | 2 | 340 | 927 | 202 |
| 361 | Diagnostic microbiology | 12 | 338 | 459 | 730 |
| 362 | Visual Communication | 10 | 336 | 132 | 77 |
| 362 | Energy Storage | 16 | 336 | 432 | 616 |
| 362 | Advertising | 6 | 336 | 175 | 144 |
| 362 | Image enhancement | 10 | 336 | 97 | 73 |
| 366 | radioactive waste | 6 | 335 | 506 | 550 |
| 366 | industrial waste | 6 | 335 | 532 | 553 |
| 368 | Pharmacy | 9 | 325 | 1132 | 975 |
| 369 | Pesticides | 18 | 322 | 119 | 160 |
| 370 | Crystallography | 37 | 321 | 376 | 439 |
| 371 | Cell differentiation | 7 | 317 | 849 | 936 |
| 372 | hazard mitigation | 13 | 316 | 271 | 352 |
| 373 | Numerical Analysis | 40 | 313 | 537 | 921 |
| 374 | Geography | 6 | 312 | 1398 | 982 |
| 374 | Tribology | 21 | 312 | 354 | 505 |
| 374 | Systems Analysis | 22 | 312 | 250 | 399 |
| 377 | Serology | 15 | 311 | 91 | 145 |
| 378 | Histology | 14 | 310 | 793 | 942 |
| 378 | Groundwater | 5 | 310 | 375 | 222 |
| 380 | Food service management | 5 | 309 | 279 | 281 |
| 381 | catalytic activity | 10 | 308 | 304 | 357 |
| 382 | Metallography | 8 | 307 | 440 | 342 |
| 383 | Genetic recombination | 18 | 305 | 423 | 650 |
| 384 | Information Theory | 11 | 300 | 700 | 657 |
| 384 | Sales management | 2 | 300 | 295 | 231 |
| 384 | selling | 2 | 300 | 295 | 231 |
| 387 | Computer-Aided Design | 13 | 298 | 487 | 499 |
| 388 | Process Control | 4 | 296 | 821 | 683 |
| 388 | Cellulose | 8 | 296 | 287 | 279 |
| 390 | Signal Transduction | 11 | 295 | 656 | 871 |
| 391 | Meteorology | 16 | 294 | 852 | 1236 |
| 391 | Systems Biology | 15 | 294 | 562 | 689 |
| 391 | X-ray crystallography | 32 | 294 | 82 | 163 |
| 394 | food contamination | 22 | 293 | 155 | 293 |
| 395 | Hydraulic Engineering | 12 | 291 | 395 | 412 |
| 396 | Microbial Biotechnology | 19 | 290 | 173 | 419 |
| 397 | vibration | 25 | 289 | 287 | 584 |
| 398 | Total Quality Management | 6 | 285 | 268 | 146 |
| 399 | Intelligent Transportation Systems | 8 | 283 | 630 | 650 |
| 399 | Financial management | 5 | 283 | 304 | 267 |
| 401 | Parasitic Diseases | 10 | 281 | 954 | 945 |
| 402 | Hydrodynamics | 7 | 279 | 364 | 317 |
| 403 | Fuzzy systems | 32 | 278 | 239 | 525 |
| 404 | Diabetes | 11 | 276 | 889 | 1089 |
| 404 | Fisheries | 11 | 276 | 733 | 756 |
| 406 | food handling | 15 | 275 | 241 | 494 |
| 407 | Embryology | 9 | 274 | 761 | 867 |
| 408 | Brain | 13 | 272 | 1213 | 1398 |
| 409 | Geophysics | 15 | 271 | 1488 | 1748 |
| 410 | biological agents | 51 | 270 | 10 | 19 |
| 411 | Neurobiology | 4 | 269 | 1186 | 1036 |
| 411 | Integrated Circuits | 16 | 269 | 238 | 132 |
| 413 | Animal genetics | 12 | 261 | 226 | 285 |
| 413 | Gerontology | 7 | 261 | 1144 | 789 |
| 413 | econometric models | 4 | 261 | 532 | 264 |
| 416 | Crystal growth | 6 | 259 | 736 | 524 |
| 417 | Oceanography | 8 | 256 | 976 | 944 |
| 418 | Marine Ecology | 6 | 253 | 526 | 349 |
| 418 | cloning | 8 | 253 | 309 | 462 |
| 420 | Rheumatology | 20 | 251 | 332 | 619 |
| 420 | Probability | 2 | 251 | 693 | 279 |
| 420 | Risk Management | 2 | 251 | 813 | 293 |
| 420 | Smart Materials | 20 | 251 | 237 | 441 |
| 420 | Risk | 2 | 251 | 615 | 289 |
| 420 | biopolymers | 10 | 251 | 599 | 658 |
| 426 | Transportation | 9 | 248 | 907 | 896 |
| 426 | Microwaves | 45 | 248 | 294 | 595 |
| 428 | Animal Behavior | 17 | 244 | 736 | 1200 |
| 428 | transgenic organisms | 8 | 244 | 61 | 99 |
| 428 | transgenic animals | 8 | 244 | 56 | 96 |
| 431 | Soil fertility | 10 | 243 | 112 | 220 |
| 432 | baking | 4 | 242 | 144 | 82 |
| 432 | Developing countries | 10 | 242 | 1175 | 1175 |
| 434 | Clinical Biochemistry | 6 | 241 | 725 | 579 |
| 435 | Medical Technology | 15 | 237 | 533 | 816 |
| 435 | Nonlinear Dynamics | 14 | 237 | 978 | 1085 |
| 435 | Genetic regulation | 7 | 237 | 604 | 685 |
| 438 | International Finance | 20 | 236 | 560 | 967 |
| 439 | Veterinary Pathology | 14 | 233 | 108 | 118 |
| 439 | Diagnostic Imaging | 7 | 233 | 1092 | 913 |
| 439 | bioclimatology | 7 | 233 | 510 | 438 |
| 442 | Power Electronics | 13 | 231 | 507 | 720 |
| 443 | Multivariate Analysis | 3 | 230 | 570 | 252 |
| 444 | Anatomy | 12 | 229 | 923 | 1029 |
| 445 | Public Policy | 13 | 228 | 736 | 962 |
| 445 | economic policy | 14 | 228 | 1079 | 983 |
| 447 | optical devices | 5 | 225 | 335 | 169 |
| 448 | Magnetic Materials | 14 | 222 | 699 | 914 |
| 449 | Ethology | 15 | 221 | 629 | 1069 |
| 450 | disease vectors | 7 | 220 | 554 | 544 |
| 450 | Liver diseases | 7 | 220 | 750 | 877 |
| 452 | Europe | 11 | 217 | 1445 | 1405 |
| 453 | Nanochemistry | 16 | 215 | 334 | 593 |
| 454 | Energy Harvesting | 4 | 213 | 353 | 448 |
| 455 | pollutants | 14 | 212 | 730 | 1319 |
| 456 | Landslides | 15 | 210 | 43 | 189 |
| 457 | Electrical Engineering | 43 | 208 | 831 | 1389 |
| 458 | Metastasis | 1 | 206 | 309 | 197 |
| 459 | genome | 4 | 205 | 1085 | 1065 |
| 460 | Emerging infectious diseases | 7 | 204 | 124 | 169 |
| 460 | environmental indicators | 19 | 204 | 279 | 911 |
| 460 | Drug delivery systems | 6 | 204 | 1079 | 1109 |
| 463 | soil pollution | 13 | 203 | 101 | 238 |
| 464 | Medical genetics | 8 | 200 | 1181 | 1454 |
| 464 | machinery | 7 | 200 | 485 | 364 |
| 466 | Radiography | 2 | 199 | 784 | 629 |
| 467 | Measurement | 11 | 198 | 631 | 750 |
| 468 | Wildlife conservation | 8 | 197 | 602 | 842 |
| 469 | Futures | 3 | 196 | 296 | 141 |
| 470 | Parasites | 8 | 194 | 924 | 881 |
| 471 | Geology | 5 | 192 | 2044 | 1633 |
| 472 | Fermentation | 8 | 191 | 88 | 93 |
| 472 | Inflammation | 6 | 191 | 703 | 853 |
| 474 | Molecular Spectroscopy | 7 | 190 | 1250 | 1129 |
| 475 | Optoelectronic devices | 21 | 188 | 196 | 319 |
| 476 | Oxidation-reduction | 3 | 183 | 737 | 768 |
| 477 | emergency management | 9 | 181 | 276 | 400 |
| 477 | natural gas | 2 | 181 | 439 | 217 |
| 479 | embryonic development | 3 | 179 | 377 | 249 |
| 480 | Veterinary Immunology | 14 | 178 | 109 | 193 |
| 480 | Food preferences | 7 | 178 | 195 | 289 |
| 482 | Photochemistry | 12 | 174 | 793 | 1129 |
| 483 | isomerism | 10 | 172 | 95 | 131 |
| 483 | Chirality | 10 | 172 | 95 | 131 |
| 485 | Animal Biotechnology | 4 | 170 | 120 | 87 |
| 485 | Optical Communications | 19 | 170 | 182 | 372 |
| 485 | Immunochemistry | 9 | 170 | 465 | 567 |
| 485 | multimedia | 5 | 170 | 361 | 394 |
| 485 | Interactive multimedia | 5 | 170 | 407 | 414 |
| 490 | Nondestructive testing | 11 | 169 | 251 | 364 |
| 491 | Obstetrics | 21 | 167 | 730 | 1253 |
| 491 | Natural resources | 8 | 167 | 409 | 548 |
| 491 | probabilities | 11 | 167 | 731 | 634 |
| 494 | Structural design | 13 | 166 | 299 | 526 |
| 494 | Cryptography | 12 | 166 | 235 | 224 |
| 494 | Molecular ecology | 7 | 166 | 630 | 917 |
| 497 | Lightweight concrete | 3 | 165 | 414 | 521 |
| 498 | Economic Development | 6 | 164 | 1044 | 1143 |
| 499 | commerce | 13 | 163 | 626 | 1020 |
| 500 | Computational Intelligence | 8 | 162 | 292 | 333 |
| 500 | Chromosomes | 5 | 162 | 640 | 681 |
| 500 | Climate | 3 | 162 | 547 | 405 |
| 500 | weather | 3 | 162 | 536 | 368 |
| 500 | Ultrasound | 5 | 162 | 523 | 477 |
| 505 | Telecommunications | 30 | 160 | 50 | 321 |
| 506 | Population Genetics | 6 | 159 | 766 | 938 |
| 506 | Radiation effects | 4 | 159 | 516 | 512 |
| 508 | Game Theory | 1 | 157 | 901 | 313 |
| 508 | Logistics | 3 | 157 | 568 | 480 |
| 508 | Simulation Methods | 9 | 157 | 469 | 546 |
| 511 | Neuropsychology | 7 | 155 | 1362 | 1477 |
| 512 | soil management | 3 | 154 | 533 | 485 |
| 512 | Zeolites | 4 | 154 | 828 | 829 |
| 514 | Differential Equations | 5 | 151 | 848 | 610 |
| 514 | Diabetes mellitus | 8 | 151 | 984 | 1354 |
| 514 | Diet | 6 | 151 | 1217 | 1585 |
| 517 | Mountains | 9 | 150 | 124 | 118 |
| 518 | Mathematical Physics | 19 | 148 | 1255 | 1638 |
| 518 | Ecosystem management | 2 | 148 | 802 | 488 |
| 520 | Engineering Mathematics | 6 | 147 | 1354 | 1043 |
| 520 | tillage | 1 | 147 | 711 | 440 |
| 520 | Leisure | 6 | 147 | 203 | 241 |
| 523 | environmental exposure | 8 | 145 | 1105 | 1543 |
| 523 | Phylogeny | 6 | 145 | 575 | 817 |
| 525 | Radioisotopes | 9 | 144 | 557 | 526 |
| 525 | technical education | 4 | 144 | 564 | 383 |
| 525 | RNA | 5 | 144 | 355 | 430 |
| 525 | Kidney diseases | 5 | 144 | 627 | 615 |
| 529 | Genetic Toxicology | 4 | 143 | 326 | 385 |
| 530 | Biomolecules | 6 | 141 | 258 | 422 |
| 531 | Genetic translocation | 5 | 139 | 125 | 151 |
| 531 | plasmids | 5 | 139 | 125 | 151 |
| 533 | Radiobiology | 6 | 138 | 754 | 813 |
| 533 | body temperature | 7 | 138 | 254 | 301 |
| 533 | Catalysts | 8 | 138 | 357 | 457 |
| 536 | Medical innovations | 5 | 137 | 603 | 996 |
| 537 | Human-Computer Interaction | 11 | 136 | 688 | 1160 |
| 537 | Radiation | 11 | 136 | 1066 | 1298 |
| 539 | Raman spectroscopy | 6 | 135 | 515 | 576 |
| 539 | Plant breeding | 5 | 135 | 531 | 528 |
| 539 | carbon monoxide | 7 | 135 | 141 | 334 |
| 542 | Nervous system | 5 | 134 | 1626 | 1702 |
| 543 | rehabilitation | 3 | 133 | 1907 | 1486 |
| 544 | livestock | 12 | 131 | 195 | 270 |
| 544 | food industry | 18 | 131 | 117 | 412 |
| 546 | Human genetics | 3 | 130 | 1344 | 1755 |
| 547 | mycoses | 13 | 129 | 251 | 747 |
| 547 | United Kingdom | 7 | 129 | 869 | 1090 |
| 547 | Psychophysiology | 5 | 129 | 1891 | 1976 |
| 550 | Ultrasonic Imaging | 4 | 127 | 436 | 378 |
| 550 | Biodiversity | 4 | 127 | 1814 | 1575 |
| 552 | Solar power plants | 6 | 125 | 89 | 162 |
| 552 | Business Ethics | 3 | 125 | 988 | 1179 |
| 552 | Photovoltaic Cells | 6 | 125 | 89 | 162 |
| 555 | Plant Morphology | 5 | 124 | 439 | 398 |
| 556 | Neuroimmunology | 9 | 123 | 329 | 680 |
| 556 | Coding Theory | 2 | 123 | 476 | 160 |
| 556 | particles | 10 | 123 | 430 | 753 |
| 556 | Granular materials | 10 | 123 | 209 | 481 |
| 560 | Critical Care | 4 | 122 | 962 | 1124 |
| 560 | Critical Care Medicine | 4 | 122 | 919 | 1108 |
| 560 | Remote Sensing | 6 | 122 | 1011 | 862 |
| 560 | Drug design | 4 | 122 | 1251 | 1222 |
| 564 | venom | 5 | 121 | 533 | 555 |
| 564 | Toxins | 5 | 121 | 614 | 626 |
| 566 | Food Safety | 12 | 120 | 36 | 137 |
| 566 | Clinical Pharmacology | 2 | 120 | 1268 | 908 |
| 568 | Public Health | 16 | 119 | 2020 | 3262 |
| 568 | Superconductors | 16 | 119 | 366 | 525 |
| 568 | preimplantation genetic diagnosis | 4 | 119 | 338 | 293 |
| 568 | embryo transfer | 4 | 119 | 352 | 301 |
| 572 | synthesis | 15 | 118 | 332 | 601 |
| 573 | Ecophysiology | 5 | 116 | 116 | 139 |
| 573 | Sedimentology | 5 | 116 | 426 | 516 |
| 573 | Photobiology | 8 | 116 | 779 | 1141 |
| 576 | Crystallization | 24 | 115 | 73 | 249 |
| 576 | Invertebrates | 11 | 115 | 215 | 421 |
| 578 | Astrocytes | 1 | 114 | 635 | 525 |
| 579 | Ecological Genetics | 4 | 112 | 525 | 386 |
| 579 | Neurotoxicology | 2 | 112 | 692 | 547 |
| 579 | Porous materials | 3 | 112 | 789 | 477 |
| 579 | Methodology | 7 | 112 | 239 | 275 |
| 579 | Zoonoses | 3 | 112 | 262 | 232 |
| 584 | Animal Physiology | 7 | 111 | 80 | 152 |
| 584 | Natural selection | 7 | 111 | 80 | 152 |
| 584 | genetic selection | 7 | 111 | 80 | 152 |
| 587 | Psychology | 10 | 110 | 2615 | 3142 |
| 587 | Sustainable Development | 4 | 110 | 1776 | 1864 |
| 587 | Cloud Computing | 3 | 110 | 308 | 297 |
| 587 | Soft Condensed Matter | 4 | 110 | 883 | 887 |
| 587 | Cerebral cortex | 1 | 110 | 1131 | 806 |
| 592 | Mutagenesis | 3 | 109 | 410 | 269 |
| 592 | Decision making | 6 | 109 | 961 | 1134 |
| 594 | Gene expression regulation | 5 | 108 | 651 | 777 |
| 594 | visualization | 15 | 108 | 556 | 666 |
| 594 | Spine | 1 | 108 | 817 | 589 |
| 597 | Strategic planning | 5 | 106 | 567 | 693 |
| 597 | forest policy | 8 | 106 | 163 | 264 |
| 599 | Sports | 10 | 105 | 1122 | 1390 |
| 600 | Social Sciences | 12 | 104 | 1704 | 2220 |
| 600 | Ceramics | 7 | 104 | 951 | 1029 |
| 600 | Psychoneuroimmunology | 6 | 104 | 372 | 677 |
| 600 | Plasma chemistry | 1 | 104 | 661 | 310 |
| 600 | Plasma polymerization | 1 | 104 | 454 | 215 |
| 600 | Glass | 7 | 104 | 640 | 886 |
| 600 | pottery | 7 | 104 | 613 | 858 |
| 607 | Physical Therapy | 1 | 103 | 1704 | 1012 |
| 607 | Mechanics | 18 | 103 | 433 | 887 |
| 607 | economic development projects | 1 | 103 | 391 | 116 |
| 610 | Planets | 4 | 102 | 1104 | 1329 |
| 610 | biological invasions | 3 | 102 | 592 | 569 |
| 610 | Digestive system diseases | 5 | 102 | 623 | 717 |
| 613 | nuclear magnetic resonance | 10 | 101 | 537 | 693 |
| 613 | Microscopy | 6 | 101 | 965 | 948 |
| 615 | Sociology | 8 | 100 | 1803 | 2196 |
| 615 | consumer behavior | 2 | 100 | 681 | 588 |
| 617 | Urology | 2 | 99 | 1281 | 1043 |
| 617 | Atmospheric Chemistry | 2 | 99 | 897 | 883 |
| 617 | Atmospheric Physics | 5 | 99 | 1068 | 1281 |
| 617 | Microstructure | 3 | 99 | 960 | 567 |
| 621 | Geotechnical Engineering | 2 | 98 | 567 | 381 |
| 621 | Arthropods | 5 | 98 | 126 | 125 |
| 621 | Imaging systems | 9 | 98 | 333 | 443 |
| 621 | textile fibers | 2 | 98 | 575 | 247 |
| 625 | microwave communication systems | 11 | 97 | 145 | 323 |
| 626 | diffusion | 8 | 96 | 134 | 48 |
| 627 | Genetic therapy | 6 | 95 | 620 | 891 |
| 628 | Municipal Engineering | 5 | 94 | 188 | 307 |
| 628 | Immunotoxicology | 11 | 94 | 54 | 204 |
| 630 | Library Science | 9 | 93 | 421 | 457 |
| 631 | Lipids | 8 | 92 | 714 | 1238 |
| 631 | Radio | 6 | 92 | 962 | 1213 |
| 633 | Tissue Engineering | 3 | 91 | 340 | 324 |
| 634 | Orthopedics | 7 | 90 | 852 | 1062 |
| 634 | Physical fitness | 4 | 90 | 855 | 945 |
| 634 | Microwave devices | 9 | 90 | 247 | 397 |
| 637 | Orthopedic Surgery | 6 | 89 | 474 | 579 |
| 637 | Evolutionary Computation | 2 | 89 | 626 | 629 |
| 637 | nuclear magnetic resonance spectroscopy | 9 | 89 | 402 | 527 |
| 640 | Statistical Mechanics | 4 | 88 | 564 | 474 |
| 640 | Infections | 4 | 88 | 811 | 1057 |
| 642 | Fracture mechanics | 7 | 87 | 916 | 1200 |
| 642 | soil conservation | 8 | 87 | 365 | 795 |
| 642 | East Asia | 4 | 87 | 507 | 355 |
| 645 | Calorimetry | 7 | 86 | 763 | 1014 |
| 645 | Extreme environments | 3 | 86 | 214 | 302 |
| 645 | Nonlinear systems | 5 | 86 | 448 | 505 |
| 645 | Thermal analysis | 7 | 86 | 763 | 1014 |
| 649 | Biomass | 5 | 85 | 471 | 864 |
| 649 | color | 2 | 85 | 319 | 177 |
| 651 | Pharmacokinetics | 2 | 84 | 969 | 894 |
| 651 | Entrepreneurship | 3 | 84 | 1015 | 1220 |
| 651 | drugs | 2 | 84 | 1998 | 1665 |
| 654 | Medical Physics | 3 | 83 | 1362 | 1339 |
| 654 | Aerosols | 6 | 83 | 347 | 475 |
| 656 | Mining Engineering | 4 | 82 | 440 | 474 |
| 656 | air quality management | 8 | 82 | 200 | 540 |
| 656 | Quantum Gravity | 4 | 82 | 1701 | 1637 |
| 659 | Industrial Safety | 5 | 81 | 889 | 1061 |
| 659 | Emergency Medicine | 4 | 81 | 966 | 900 |
| 659 | Biological Systems | 3 | 81 | 523 | 555 |
| 659 | Marine Pollution | 3 | 81 | 1151 | 1317 |
| 663 | Pediatrics | 5 | 80 | 1428 | 1776 |
| 663 | drug therapy | 6 | 80 | 1129 | 1481 |
| 663 | pain | 6 | 80 | 796 | 1150 |
| 666 | Molecular Pharmacology | 2 | 79 | 902 | 922 |
| 666 | Photography | 6 | 79 | 745 | 367 |
| 666 | Animal Nutrition | 6 | 79 | 363 | 504 |
| 666 | Electromagnetism | 4 | 79 | 862 | 861 |
| 666 | Developmental Immunology | 2 | 79 | 701 | 685 |
| 671 | Psychiatry | 10 | 78 | 1973 | 3024 |
| 671 | Nuclear Medicine | 2 | 78 | 911 | 713 |
| 671 | mathematical analysis | 15 | 78 | 1282 | 1710 |
| 674 | Food Science | 3 | 77 | 195 | 122 |
| 674 | Genes | 3 | 77 | 1036 | 1055 |
| 676 | Data Mining | 9 | 76 | 821 | 1567 |
| 677 | Biogeochemistry | 3 | 75 | 986 | 1212 |
| 677 | Hormones | 3 | 75 | 1054 | 1173 |
| 677 | water supply | 1 | 75 | 1263 | 944 |
| 677 | Therapeutics | 7 | 75 | 907 | 1416 |
| 681 | Humanities | 9 | 74 | 951 | 1251 |
| 681 | Sound | 3 | 74 | 1038 | 802 |
| 683 | Molecules | 6 | 73 | 1089 | 1155 |
| 683 | DNS | 3 | 73 | 460 | 527 |
| 683 | DNA | 3 | 73 | 574 | 556 |
| 683 | freshwater biology | 4 | 73 | 749 | 905 |
| 687 | Dynamics | 7 | 72 | 1096 | 1294 |
| 687 | cell interaction | 5 | 72 | 717 | 1125 |
| 687 | Egypt | 2 | 72 | 745 | 628 |
| 690 | Wireless Communication | 10 | 71 | 131 | 339 |
| 690 | Methods | 4 | 71 | 93 | 73 |
| 692 | Corporate Social Responsibility | 2 | 70 | 405 | 575 |
| 692 | environmental auditing | 2 | 70 | 425 | 581 |
| 692 | Fluorescence spectroscopy | 3 | 70 | 220 | 221 |
| 692 | Fertilizers | 6 | 70 | 207 | 406 |
| 696 | Nephrology | 1 | 69 | 666 | 595 |
| 696 | Computational Chemistry | 5 | 69 | 505 | 748 |
| 696 | Growth | 3 | 69 | 936 | 1249 |
| 699 | Mineralogy | 6 | 68 | 888 | 1159 |
| 700 | Immunopathology | 4 | 67 | 852 | 1075 |
| 701 | Social Psychology | 4 | 66 | 1842 | 2135 |
| 701 | Liquid Crystals | 9 | 66 | 502 | 603 |
| 701 | Forest genetics | 3 | 66 | 263 | 244 |
| 704 | water reuse | 2 | 65 | 456 | 433 |
| 705 | Higher Education | 3 | 64 | 617 | 602 |
| 705 | Geochemistry | 4 | 64 | 1538 | 1843 |
| 705 | Primary health care | 3 | 64 | 1485 | 1480 |
| 705 | Instructional systems | 3 | 64 | 166 | 177 |
| 709 | Dentistry | 8 | 63 | 400 | 544 |
| 709 | Asthma | 4 | 63 | 513 | 589 |
| 709 | Nanobiotechnology | 3 | 63 | 406 | 752 |
| 709 | Forecasting | 5 | 63 | 382 | 572 |
| 713 | Nutrition physiology | 4 | 61 | 573 | 843 |
| 713 | Rheology | 1 | 61 | 893 | 592 |
| 713 | Neuropharmacology | 5 | 61 | 402 | 647 |
| 713 | Food texture | 1 | 61 | 324 | 203 |
| 713 | Exercise | 4 | 61 | 1251 | 1350 |
| 718 | Digital electronics | 5 | 60 | 210 | 196 |
| 718 | Information visualization | 3 | 60 | 166 | 116 |
| 720 | Bioenergetics | 4 | 59 | 693 | 1041 |
| 720 | Evolutionary Genetics | 3 | 59 | 647 | 790 |
| 720 | Molecular Epidemiology | 3 | 59 | 647 | 790 |
| 720 | drug resistance | 5 | 59 | 468 | 865 |
| 720 | Plant hormones | 3 | 59 | 299 | 449 |
| 720 | Cosmochemistry | 3 | 59 | 832 | 1012 |
| 720 | Mites | 6 | 59 | 238 | 355 |
| 727 | Radiology | 5 | 58 | 911 | 1051 |
| 727 | Architecture | 4 | 58 | 465 | 413 |
| 727 | construction | 4 | 58 | 153 | 278 |
| 727 | Light | 4 | 58 | 745 | 1114 |
| 731 | Chemotherapy | 3 | 57 | 960 | 1105 |
| 731 | Radio waves | 5 | 57 | 647 | 926 |
| 731 | immunoassay | 2 | 57 | 265 | 145 |
| 734 | Food Security | 1 | 56 | 315 | 255 |
| 734 | foreign exchange | 1 | 56 | 600 | 484 |
| 734 | Tropical Medicine | 8 | 56 | 985 | 1631 |
| 737 | clay minerals | 2 | 55 | 347 | 390 |
| 737 | alcoholism | 2 | 55 | 1407 | 1396 |
| 739 | Speech Perception | 2 | 54 | 431 | 487 |
| 739 | auditory perception | 2 | 54 | 523 | 557 |
| 739 | Semigroups | 5 | 54 | 195 | 148 |
| 739 | radar | 1 | 54 | 339 | 183 |
| 739 | Sonar | 1 | 54 | 281 | 159 |
| 739 | Navigation | 1 | 54 | 533 | 222 |
| 745 | Crop Science | 6 | 53 | 74 | 141 |
| 745 | gene therapy | 4 | 53 | 726 | 1076 |
| 745 | Capital market | 5 | 53 | 291 | 610 |
| 745 | Earth Sciences | 7 | 53 | 2076 | 2908 |
| 745 | Safety management | 2 | 53 | 805 | 566 |
| 750 | Computer Engineering | 8 | 52 | 471 | 1081 |
| 750 | Forensic Genetics | 2 | 52 | 279 | 313 |
| 750 | Small Business | 1 | 52 | 1151 | 1174 |
| 750 | Financial Institutions | 1 | 52 | 747 | 500 |
| 754 | Mobile Computing | 9 | 51 | 577 | 1154 |
| 754 | Green Technology | 3 | 51 | 384 | 564 |
| 754 | Substance Abuse | 1 | 51 | 1802 | 1359 |
| 754 | Fish diseases | 3 | 51 | 91 | 139 |
| 754 | Aquatic animals | 3 | 51 | 178 | 215 |
| 754 | Classification | 7 | 51 | 107 | 306 |
| 754 | Social behavior | 6 | 51 | 789 | 1310 |
| 754 | drug addiction | 1 | 51 | 1389 | 1180 |
| 754 | Steroids | 3 | 51 | 838 | 1010 |
| 754 | Quantum theory | 4 | 51 | 894 | 965 |
| 764 | Psychiatric Nursing | 2 | 50 | 795 | 734 |
| 765 | Radiation Oncology | 3 | 49 | 317 | 422 |
| 765 | symbiosis | 1 | 49 | 327 | 185 |
| 765 | Genetic algorithms | 1 | 49 | 547 | 560 |
| 768 | Energy metabolism | 3 | 48 | 533 | 736 |
| 768 | Wetland ecology | 3 | 48 | 441 | 549 |
| 768 | Wetland conservation | 3 | 48 | 278 | 424 |
| 768 | internet | 5 | 48 | 1203 | 1814 |
| 768 | plant oils | 3 | 48 | 253 | 306 |
| 768 | Emotions | 1 | 48 | 900 | 816 |
| 768 | Wetlands | 3 | 48 | 293 | 427 |
| 775 | Hematopoietic stem cell transplantation | 4 | 47 | 315 | 612 |
| 775 | Laser therapy | 4 | 47 | 354 | 437 |
| 775 | indoor air pollution | 4 | 47 | 278 | 541 |
| 775 | Ventilation | 4 | 47 | 394 | 633 |
| 775 | Sick building syndrome | 4 | 47 | 278 | 541 |
| 780 | Analytical Toxicology | 2 | 46 | 244 | 274 |
| 780 | Functional foods | 2 | 46 | 481 | 585 |
| 780 | Phytotherapy | 2 | 46 | 855 | 996 |
| 780 | Birds | 6 | 46 | 768 | 979 |
| 784 | Cognitive Radio Networks | 3 | 45 | 206 | 288 |
| 784 | Marine resources | 5 | 45 | 457 | 934 |
| 784 | rare diseases | 4 | 45 | 451 | 690 |
| 784 | cosmetics | 1 | 45 | 334 | 243 |
| 788 | Transport | 3 | 44 | 561 | 823 |
| 788 | Sea | 3 | 44 | 490 | 689 |
| 788 | Fishery resources | 3 | 44 | 546 | 754 |
| 788 | drug toxicity | 2 | 44 | 631 | 796 |
| 792 | Bibliometrics | 2 | 43 | 180 | 263 |
| 792 | Adhesion | 3 | 43 | 728 | 842 |
| 792 | Probiotics | 4 | 43 | 97 | 338 |
| 792 | Vocational guidance | 1 | 43 | 1384 | 1148 |
| 792 | adhesives | 3 | 43 | 774 | 852 |
| 797 | Psychopharmacology | 2 | 42 | 1372 | 1541 |
| 797 | Coastal zone management | 4 | 42 | 539 | 910 |
| 797 | Knowledge management | 2 | 42 | 611 | 476 |
| 797 | Chemical processes | 4 | 42 | 470 | 689 |
| 801 | Land use | 4 | 41 | 955 | 1577 |
| 801 | Infertility | 3 | 41 | 703 | 1054 |
| 801 | Microbial Metabolism | 2 | 41 | 258 | 466 |
| 801 | Protein engineering | 2 | 41 | 258 | 336 |
| 801 | molecular design | 2 | 41 | 285 | 339 |
| 801 | liver | 1 | 41 | 478 | 404 |
| 801 | fertility | 3 | 41 | 791 | 1118 |
| 801 | Acarology | 5 | 41 | 175 | 385 |
| 809 | Pediatric Neurology | 3 | 40 | 710 | 1116 |
| 809 | Child | 4 | 40 | 1708 | 2195 |
| 809 | Animal ecology | 7 | 40 | 730 | 1286 |
| 809 | Child Development | 4 | 40 | 1446 | 2043 |
| 809 | Swarm Intelligence | 1 | 40 | 588 | 539 |
| 809 | Computer Literacy | 2 | 40 | 295 | 379 |
| 809 | Ticks | 4 | 40 | 217 | 386 |
| 809 | Acari | 4 | 40 | 217 | 386 |
| 817 | Conservation Biology | 2 | 39 | 1243 | 1382 |
| 817 | Marine invertebrates | 6 | 39 | 109 | 253 |
| 817 | Coral reef biology | 1 | 39 | 476 | 462 |
| 817 | Ornithology | 5 | 39 | 706 | 921 |
| 817 | Ferroelectricity | 4 | 39 | 877 | 935 |
| 817 | language | 1 | 39 | 1260 | 1046 |
| 823 | Nonlinear functional analysis | 3 | 38 | 1219 | 1359 |
| 823 | Computational Fluid Dynamics | 2 | 38 | 782 | 857 |
| 823 | Microfluidics | 4 | 38 | 178 | 381 |
| 823 | global environmental change | 1 | 38 | 1225 | 1289 |
| 823 | Developmental Disabilities | 2 | 38 | 1085 | 1325 |
| 823 | Allergy | 3 | 38 | 847 | 1234 |
| 823 | educational innovations | 2 | 38 | 676 | 780 |
| 823 | Allergies | 3 | 38 | 112 | 199 |
| 831 | Leukemia | 1 | 37 | 945 | 926 |
| 831 | cell membrane | 2 | 37 | 599 | 763 |
| 833 | Biopharmaceutics | 1 | 36 | 1471 | 1463 |
| 833 | Phytochemistry | 2 | 36 | 399 | 559 |
| 833 | Health Information Management | 1 | 36 | 662 | 935 |
| 833 | Production Planning | 2 | 36 | 358 | 579 |
| 833 | Phytoremediation | 2 | 36 | 399 | 559 |
| 833 | environmental remediation | 2 | 36 | 483 | 631 |
| 833 | Production Control | 2 | 36 | 345 | 575 |
| 833 | Bioreactors | 2 | 36 | 399 | 559 |
| 841 | Hydrogeology | 3 | 35 | 638 | 941 |
| 841 | Hydrometeorology | 3 | 35 | 190 | 397 |
| 841 | Language and Culture | 1 | 35 | 349 | 193 |
| 841 | Multilingualism | 1 | 35 | 548 | 453 |
| 841 | Database Security | 3 | 35 | 61 | 114 |
| 841 | Radio frequency | 1 | 35 | 694 | 633 |
| 847 | Geriatrics | 7 | 34 | 1649 | 2683 |
| 848 | Neuroplasticity | 2 | 33 | 323 | 514 |
| 848 | aerosol | 4 | 33 | 320 | 527 |
| 850 | Thin Films | 3 | 32 | 528 | 662 |
| 850 | Eastern Europe | 5 | 32 | 605 | 894 |
| 850 | plasma spraying | 2 | 32 | 284 | 354 |
| 850 | data collection | 3 | 32 | 1047 | 1548 |
| 850 | Aquatic ecology | 3 | 32 | 892 | 1162 |
| 855 | Hematology | 2 | 31 | 1633 | 1881 |
| 855 | Electronic Packaging | 2 | 31 | 268 | 315 |
| 855 | Investment analysis | 5 | 31 | 699 | 1309 |
| 855 | Taste | 2 | 31 | 383 | 524 |
| 855 | smell | 2 | 31 | 383 | 524 |
| 855 | Ethnology | 5 | 31 | 1105 | 1561 |
| 861 | Sleep Disorders | 5 | 30 | 1005 | 1592 |
| 861 | Animal welfare | 3 | 30 | 243 | 488 |
| 861 | Erosion | 2 | 30 | 114 | 259 |
| 861 | Bacteria | 1 | 30 | 532 | 669 |
| 861 | Bacterial infections | 2 | 30 | 844 | 1235 |
| 861 | India | 4 | 30 | 1270 | 1461 |
| 861 | drug evaluation | 1 | 30 | 1731 | 1706 |
| 861 | Sleep | 5 | 30 | 1016 | 1611 |
| 869 | Greenhouse gases | 1 | 29 | 462 | 607 |
| 869 | Parallel Processing | 3 | 29 | 441 | 749 |
| 869 | Happiness | 1 | 29 | 870 | 904 |
| 869 | Iron | 1 | 29 | 496 | 419 |
| 869 | Quality of life | 1 | 29 | 2094 | 2109 |
| 874 | Integrative Medicine | 1 | 28 | 533 | 359 |
| 874 | digital preservation | 1 | 28 | 158 | 145 |
| 874 | Hospitality industry | 3 | 28 | 392 | 851 |
| 874 | Immune system | 3 | 28 | 779 | 1282 |
| 878 | Labor Economics | 1 | 27 | 833 | 694 |
| 878 | Technology Assessment | 2 | 27 | 556 | 1053 |
| 878 | Antiviral agents | 1 | 27 | 411 | 445 |
| 878 | Computational Complexity | 8 | 27 | 582 | 1345 |
| 878 | Luminescence | 4 | 27 | 1241 | 1799 |
| 883 | Morphology | 3 | 26 | 894 | 1050 |
| 883 | Agricultural Biotechnology | 7 | 26 | 143 | 323 |
| 883 | Respiratory system | 2 | 26 | 612 | 849 |
| 883 | Algae | 1 | 26 | 1046 | 1027 |
| 883 | Seaweed | 1 | 26 | 821 | 896 |
| 883 | Continental shelf | 1 | 26 | 561 | 642 |
| 883 | Respiration | 2 | 26 | 1409 | 1778 |
| 883 | Australia | 6 | 26 | 1184 | 2222 |
| 891 | economic forecasting | 2 | 25 | 422 | 598 |
| 891 | Organizational learning | 1 | 25 | 998 | 785 |
| 891 | Hemophilia | 2 | 25 | 412 | 484 |
| 891 | forestry | 1 | 25 | 395 | 398 |
| 891 | International Business | 2 | 25 | 214 | 327 |
| 891 | Estuaries | 1 | 25 | 238 | 305 |
| 891 | Nonlinear mechanics | 3 | 25 | 452 | 737 |
| 898 | Civil Engineering | 7 | 24 | 948 | 1654 |
| 898 | Software Engineering | 3 | 24 | 1020 | 1337 |
| 898 | Andrology | 2 | 24 | 654 | 871 |
| 898 | Cognitive neuroscience | 1 | 24 | 1337 | 1401 |
| 898 | Microprocessors | 2 | 24 | 781 | 921 |
| 898 | human development | 1 | 24 | 1231 | 1306 |
| 898 | Informatics | 7 | 24 | 502 | 1293 |
| 905 | Distance Education | 1 | 23 | 722 | 759 |
| 905 | Chemical Ecology | 3 | 23 | 509 | 972 |
| 905 | Pharmacogenetics | 5 | 23 | 596 | 1278 |
| 905 | Enzyme inhibitors | 2 | 23 | 541 | 864 |
| 905 | Immunohistochemistry | 1 | 23 | 329 | 250 |
| 905 | Geodynamics | 1 | 23 | 1133 | 1188 |
| 905 | Teaching | 2 | 23 | 2080 | 2297 |
| 905 | Foodborne diseases | 2 | 23 | 277 | 489 |
| 905 | pheromones | 3 | 23 | 465 | 934 |
| 905 | Combinatorial analysis | 4 | 23 | 907 | 1027 |
| 915 | Clinical Immunology | 1 | 22 | 1191 | 1346 |
| 915 | Bifurcation Theory | 4 | 22 | 191 | 469 |
| 915 | Magnetism | 2 | 22 | 215 | 152 |
| 915 | Roads | 3 | 22 | 619 | 811 |
| 915 | atmosphere | 2 | 22 | 903 | 1287 |
| 915 | Agricultural systems | 1 | 22 | 534 | 721 |
| 915 | Europa | 2 | 22 | 622 | 842 |
| 922 | Horticulture | 5 | 21 | 545 | 1193 |
| 922 | Health Services Research | 3 | 21 | 1375 | 1999 |
| 922 | Geriatric Psychiatry | 1 | 21 | 1363 | 1413 |
| 922 | Fishery management | 5 | 21 | 572 | 1184 |
| 922 | behavioral medicine | 1 | 21 | 1833 | 2128 |
| 922 | Disease management | 2 | 21 | 126 | 187 |
| 922 | Positive Psychology | 1 | 21 | 336 | 489 |
| 922 | Graphene | 2 | 21 | 147 | 378 |
| 922 | Heritage Tourism | 1 | 21 | 287 | 328 |
| 922 | cultural tourism | 1 | 21 | 287 | 328 |
| 922 | Alloys | 4 | 21 | 226 | 340 |
| 922 | Cell metabolism | 1 | 21 | 986 | 1214 |
| 922 | Liquid chromatography | 2 | 21 | 644 | 686 |
| 935 | starch | 2 | 20 | 429 | 628 |
| 935 | Southeast Asia | 4 | 20 | 274 | 567 |
| 937 | Nuclear Engineering | 3 | 19 | 1352 | 1719 |
| 937 | Nuclear Energy | 3 | 19 | 936 | 1259 |
| 937 | Thermodynamics | 2 | 19 | 1497 | 1592 |
| 937 | Developmental Genetics | 2 | 19 | 495 | 827 |
| 937 | Sports Medicine | 3 | 19 | 2210 | 2699 |
| 937 | Microcirculation | 1 | 19 | 727 | 835 |
| 937 | sustainability | 4 | 19 | 717 | 1658 |
| 937 | Intelligent Control Systems | 9 | 19 | 561 | 1577 |
| 937 | recreation | 1 | 19 | 1062 | 996 |
| 946 | Public Administration | 3 | 18 | 1334 | 1791 |
| 946 | Harmonic Analysis | 1 | 18 | 290 | 337 |
| 946 | Cardiovascular diseases | 4 | 18 | 1115 | 1802 |
| 946 | crops | 3 | 18 | 117 | 283 |
| 946 | organization | 1 | 18 | 1282 | 1448 |
| 946 | Population | 2 | 18 | 1018 | 1505 |
| 952 | Nuclear Chemistry | 1 | 17 | 1570 | 1408 |
| 952 | Radiochemistry | 1 | 17 | 1496 | 1302 |
| 952 | Chemical kinetics | 3 | 17 | 804 | 1120 |
| 952 | histological techniques | 1 | 17 | 862 | 1041 |
| 952 | fishing industry | 2 | 17 | 146 | 266 |
| 952 | packaging | 3 | 17 | 105 | 334 |
| 958 | Neuropsychiatry | 2 | 16 | 851 | 1205 |
| 958 | Urban Policy | 1 | 16 | 1398 | 1612 |
| 958 | Internet of Things | 2 | 16 | 1302 | 1793 |
| 958 | Product Design | 3 | 16 | 522 | 806 |
| 958 | Organizational Behavior | 1 | 16 | 878 | 1050 |
| 958 | Geothermal Energy | 2 | 16 | 326 | 603 |
| 958 | Lipid metabolism | 1 | 16 | 674 | 890 |
| 958 | Korea | 4 | 16 | 261 | 573 |
| 958 | thinking | 1 | 16 | 652 | 777 |
| 958 | Lipid | 1 | 16 | 676 | 892 |
| 958 | urban forestry | 1 | 16 | 555 | 647 |
| 958 | Soviet Union | 2 | 16 | 898 | 932 |
| 958 | energy development | 2 | 16 | 1096 | 1788 |
| 958 | Mental illness | 3 | 16 | 1482 | 2437 |
| 958 | Chemical reactors | 3 | 16 | 149 | 232 |
| 958 | Creativity | 1 | 16 | 683 | 851 |
| 958 | Cognition | 1 | 16 | 2214 | 2392 |
| 958 | Gastrointestinal diseases | 3 | 16 | 618 | 979 |
| 976 | Ophthalmology | 3 | 15 | 1418 | 2124 |
| 976 | Emergency Medical Services | 2 | 15 | 760 | 1087 |
| 976 | Mental Health | 2 | 15 | 1740 | 2346 |
| 976 | Freeze-Drying | 2 | 15 | 467 | 793 |
| 976 | Hypothermia | 2 | 15 | 467 | 793 |
| 976 | Adaptive control systems | 2 | 15 | 766 | 1049 |
| 976 | Formal Languages | 7 | 15 | 128 | 434 |
| 976 | Freeze Drying | 2 | 15 | 467 | 793 |
| 976 | Mitochondrial DNA | 2 | 15 | 270 | 326 |
| 976 | Oral communication | 1 | 15 | 775 | 839 |
| 976 | Speech | 1 | 15 | 1300 | 1400 |
| 976 | Bones | 2 | 15 | 752 | 1218 |
| 988 | Database Management | 1 | 14 | 1130 | 1280 |
| 988 | Industrial Organization | 1 | 14 | 571 | 677 |
| 988 | Graph Theory | 3 | 14 | 772 | 947 |
| 988 | Community Psychology | 1 | 14 | 903 | 1039 |
| 988 | Marine Biotechnology | 1 | 14 | 404 | 637 |
| 988 | Electromagnetic compatibility | 1 | 14 | 555 | 631 |
| 988 | Industrial Policy | 1 | 14 | 818 | 934 |
| 988 | phase diagrams | 1 | 14 | 249 | 250 |
| 988 | anesthesia | 2 | 14 | 600 | 748 |
| 988 | city planning | 2 | 14 | 1833 | 2464 |
| 998 | Adolescent Medicine | 1 | 13 | 832 | 1037 |
| 998 | teratogenic agents | 1 | 13 | 482 | 624 |
| 998 | sustainable forestry | 1 | 13 | 250 | 275 |