| 1 | Astrophysics | 2,346 | 183.2K | 63 | 63 |
| 2 | Astronomy | 2,586 | 155.0K | 48 | 50 |
| 3 | Spectrum analysis | 1,797 | 138.2K | 45 | 38 |
| 4 | Physics | 705 | 69.2K | 652 | 488 |
| 5 | Science | 535 | 63.4K | 646 | 475 |
| 6 | Solar System | 886 | 60.8K | 8 | 5 |
| 7 | Biology | 486 | 55.6K | 718 | 547 |
| 8 | Natural history | 329 | 49.2K | 192 | 311 |
| 9 | Geophysics | 1,068 | 48.7K | 87 | 80 |
| 10 | Planets | 467 | 20.8K | 58 | 77 |
| 11 | exobiology | 253 | 14.0K | 1 | 1 |
| 12 | Meteorites | 226 | 13.5K | 44 | 51 |
| 13 | Atmospheric Physics | 237 | 13.4K | 105 | 102 |
| 14 | Molecular Biology | 171 | 12.3K | 1375 | 1066 |
| 15 | Nanotechnology | 140 | 12.2K | 786 | 490 |
| 16 | Psychology | 67 | 12.0K | 1105 | 321 |
| 17 | Microbiology | 142 | 11.7K | 1150 | 800 |
| 18 | Atmospheric Chemistry | 159 | 11.3K | 85 | 86 |
| 19 | Ecology | 123 | 10.4K | 1073 | 768 |
| 20 | Environment | 105 | 10.0K | 803 | 639 |
| 21 | Geochemistry | 134 | 9.2K | 253 | 173 |
| 22 | Chemistry | 207 | 8.9K | 1632 | 1594 |
| 23 | Biotechnology | 63 | 8.2K | 1653 | 738 |
| 24 | Bioengineering | 53 | 7.6K | 1106 | 512 |
| 25 | Microbial Ecology | 85 | 7.5K | 305 | 260 |
| 26 | Perception | 115 | 6.9K | 212 | 107 |
| 27 | Fluid Dynamics | 91 | 6.7K | 86 | 11 |
| 28 | Ergonomics | 312 | 6.7K | 22 | 16 |
| 29 | Radiation | 135 | 6.7K | 104 | 44 |
| 30 | Fluid Mechanics | 114 | 6.5K | 131 | 55 |
| 31 | Microelectronics | 31 | 6.5K | 580 | 184 |
| 32 | miniaturization | 31 | 6.5K | 532 | 213 |
| 33 | Psychophysiology | 81 | 6.4K | 592 | 371 |
| 34 | radiative transfer | 123 | 6.3K | 14 | 21 |
| 35 | Condensed Matter | 110 | 6.3K | 857 | 567 |
| 36 | Solid State Physics | 111 | 6.2K | 896 | 569 |
| 37 | Planetary Science | 171 | 6.2K | 8 | 9 |
| 38 | Earth Sciences | 73 | 5.8K | 602 | 310 |
| 39 | Optics | 429 | 5.6K | 225 | 375 |
| 40 | Geology | 93 | 5.6K | 638 | 360 |
| 41 | Evolution | 120 | 5.2K | 165 | 258 |
| 42 | Physiology | 107 | 4.9K | 765 | 653 |
| 43 | Meteorology | 69 | 4.9K | 470 | 355 |
| 44 | Control Theory | 156 | 4.9K | 71 | 59 |
| 45 | Nuclear Physics | 104 | 4.5K | 1216 | 943 |
| 46 | Biochemistry | 144 | 4.5K | 2031 | 2112 |
| 47 | Materials | 72 | 4.5K | 1722 | 1202 |
| 48 | Physical Chemistry | 40 | 4.4K | 620 | 242 |
| 49 | Sun | 21 | 4.3K | 186 | 39 |
| 50 | Pollution | 44 | 4.1K | 1746 | 1116 |
| 51 | Photography | 362 | 4.0K | 47 | 14 |
| 52 | Materials Science | 89 | 3.9K | 997 | 889 |
| 53 | Space telescopes | 31 | 3.8K | 17 | 8 |
| 53 | biological evolution | 91 | 3.8K | 274 | 416 |
| 55 | Respiration | 53 | 3.7K | 284 | 168 |
| 56 | Robotics | 78 | 3.7K | 138 | 75 |
| 57 | Neurology | 75 | 3.6K | 1581 | 1522 |
| 58 | Biodiversity conservation | 19 | 3.1K | 748 | 509 |
| 59 | Research | 80 | 3.1K | 2415 | 2155 |
| 60 | Climate change | 18 | 3.0K | 475 | 414 |
| 60 | Eutrophication | 18 | 3.0K | 464 | 413 |
| 62 | Statistical physics | 78 | 2.8K | 917 | 708 |
| 63 | Artificial Intelligence | 97 | 2.8K | 475 | 466 |
| 64 | Climatology | 29 | 2.8K | 600 | 354 |
| 65 | Environmental Microbiology | 29 | 2.8K | 318 | 214 |
| 66 | Numerical Analysis | 41 | 2.7K | 566 | 142 |
| 67 | Molecular Spectroscopy | 70 | 2.7K | 160 | 94 |
| 68 | Automation | 34 | 2.6K | 433 | 227 |
| 69 | atmospheric models | 64 | 2.6K | 95 | 146 |
| 70 | Biophysics | 81 | 2.5K | 1542 | 1467 |
| 71 | Environmental Policy | 6 | 2.5K | 2834 | 661 |
| 72 | Nanostructured Materials | 48 | 2.5K | 952 | 710 |
| 73 | Organelle biogenesis | 86 | 2.4K | 1 | 4 |
| 74 | extraterrestrial environment | 147 | 2.4K | 14 | 20 |
| 75 | Sustainable Development | 1 | 2.4K | 4131 | 219 |
| 75 | Economic Development | 1 | 2.4K | 3312 | 250 |
| 75 | sustainability | 1 | 2.4K | 1747 | 88 |
| 78 | Origin of life | 83 | 2.4K | 1 | 2 |
| 79 | Image Processing | 23 | 2.3K | 635 | 253 |
| 80 | Medicine | 63 | 2.3K | 3509 | 3611 |
| 81 | Biomedical Engineering | 52 | 2.2K | 1277 | 1019 |
| 82 | Technology | 29 | 2.2K | 1549 | 654 |
| 83 | Statistical Mechanics | 64 | 2.2K | 116 | 67 |
| 84 | Magnetohydrodynamics | 62 | 2.2K | 44 | 42 |
| 85 | Software Engineering | 55 | 2.0K | 75 | 36 |
| 86 | Computational Fluid Dynamics | 57 | 2.0K | 18 | 12 |
| 87 | Biocompatible Materials | 21 | 2.0K | 1836 | 1296 |
| 88 | Vision | 32 | 1.9K | 157 | 122 |
| 89 | Polymers | 49 | 1.9K | 1525 | 1180 |
| 90 | Moon | 58 | 1.9K | 7 | 2 |
| 91 | Electronics | 63 | 1.9K | 807 | 564 |
| 92 | United States | 56 | 1.9K | 1312 | 1054 |
| 93 | Hydrology | 13 | 1.9K | 1452 | 488 |
| 94 | Ophthalmology | 32 | 1.8K | 607 | 399 |
| 95 | Computer Vision | 15 | 1.8K | 473 | 246 |
| 96 | Oceanography | 23 | 1.8K | 810 | 504 |
| 97 | Computer Graphics | 34 | 1.8K | 390 | 245 |
| 98 | Environmental Health | 38 | 1.7K | 1807 | 1663 |
| 99 | Mathematics | 54 | 1.7K | 2015 | 1126 |
| 100 | Neurophysiology | 23 | 1.7K | 1417 | 1128 |
| 101 | Endocrinology | 32 | 1.7K | 1264 | 1214 |
| 102 | Microorganisms | 12 | 1.7K | 632 | 313 |
| 103 | polymerization | 44 | 1.7K | 1344 | 1062 |
| 104 | astronomical phenomena | 115 | 1.6K | 19 | 28 |
| 105 | soil microbiology | 12 | 1.6K | 798 | 455 |
| 106 | Water | 10 | 1.6K | 1643 | 831 |
| 107 | Catalysis | 36 | 1.6K | 1452 | 1340 |
| 108 | Plant cells | 5 | 1.5K | 1058 | 601 |
| 109 | Cytology | 15 | 1.5K | 2799 | 2116 |
| 109 | Molecular evolution | 31 | 1.5K | 453 | 421 |
| 111 | Cell Biology | 18 | 1.4K | 2446 | 2168 |
| 112 | Biogeochemistry | 29 | 1.4K | 352 | 394 |
| 113 | water supply | 3 | 1.3K | 1114 | 274 |
| 114 | mass transfer | 25 | 1.3K | 536 | 352 |
| 115 | Behavior | 28 | 1.3K | 1201 | 1198 |
| 116 | Memory | 55 | 1.3K | 421 | 584 |
| 117 | Composite Materials | 24 | 1.3K | 1088 | 909 |
| 118 | Mineralogy | 30 | 1.3K | 460 | 372 |
| 119 | Brain | 33 | 1.2K | 1051 | 1054 |
| 120 | Machine Learning | 16 | 1.2K | 78 | 79 |
| 121 | Ceramics | 14 | 1.2K | 743 | 301 |
| 121 | Glass | 14 | 1.2K | 551 | 269 |
| 121 | pottery | 14 | 1.2K | 537 | 264 |
| 124 | Visual Perception | 53 | 1.2K | 374 | 501 |
| 125 | Metabolism | 19 | 1.1K | 1571 | 1366 |
| 126 | Attention | 54 | 1.1K | 377 | 528 |
| 127 | Medical Microbiology | 6 | 1.1K | 2201 | 1086 |
| 128 | Analytical Chemistry | 26 | 1.0K | 2057 | 1742 |
| 129 | Human-Computer Interaction | 25 | 1.0K | 323 | 221 |
| 130 | Biogeochemical cycles | 10 | 1.0K | 262 | 249 |
| 131 | Systems Engineering | 28 | 997 | 553 | 324 |
| 132 | Biosensors | 18 | 995 | 445 | 485 |
| 133 | Plasma devices | 9 | 961 | 176 | 82 |
| 134 | Bacteriology | 18 | 944 | 907 | 927 |
| 135 | Metals | 20 | 942 | 993 | 705 |
| 136 | System analysis | 19 | 932 | 995 | 541 |
| 137 | Engineering | 29 | 855 | 1554 | 1047 |
| 138 | Computational Biology | 7 | 846 | 2503 | 1143 |
| 139 | nanoscience | 28 | 839 | 1079 | 1374 |
| 140 | Industrial Safety | 15 | 837 | 434 | 202 |
| 141 | Botany | 18 | 832 | 2170 | 1876 |
| 142 | Molecules | 37 | 815 | 413 | 450 |
| 143 | Bioelectronics | 11 | 812 | 545 | 508 |
| 144 | Bones | 10 | 800 | 600 | 374 |
| 145 | Virtual reality | 15 | 797 | 46 | 33 |
| 146 | Cosmochemistry | 25 | 770 | 216 | 282 |
| 147 | Nanoparticles | 16 | 765 | 849 | 686 |
| 148 | Virology | 4 | 764 | 3489 | 2267 |
| 149 | Electrochemistry | 77 | 763 | 920 | 1542 |
| 150 | Data Mining | 8 | 743 | 1076 | 577 |
| 151 | Sleep | 39 | 740 | 489 | 636 |
| 152 | Marine Biology | 12 | 723 | 1630 | 1111 |
| 153 | Chemical Engineering | 23 | 720 | 2194 | 2309 |
| 154 | Cardiovascular system | 8 | 709 | 1336 | 1183 |
| 155 | Petrology | 16 | 708 | 485 | 446 |
| 156 | Sleep Disorders | 37 | 700 | 505 | 664 |
| 157 | Soil Science | 13 | 699 | 995 | 728 |
| 158 | Geography | 11 | 678 | 1428 | 807 |
| 159 | Bioinformatics | 5 | 673 | 2079 | 1021 |
| 160 | Engineering Mathematics | 14 | 672 | 1304 | 510 |
| 161 | Nonlinear Dynamics | 24 | 669 | 942 | 906 |
| 161 | data collection | 5 | 669 | 944 | 434 |
| 163 | Plant physiology | 12 | 668 | 1252 | 1158 |
| 164 | Environmental Engineering | 17 | 660 | 1926 | 1851 |
| 164 | Neurochemistry | 10 | 660 | 1738 | 1305 |
| 166 | environmental pollution | 16 | 655 | 2481 | 2442 |
| 167 | Metallurgy | 18 | 646 | 1166 | 902 |
| 167 | Performance | 13 | 646 | 84 | 73 |
| 169 | Carbon | 17 | 645 | 549 | 695 |
| 170 | Nervous system | 8 | 642 | 2000 | 1499 |
| 171 | System design | 21 | 636 | 33 | 21 |
| 172 | Geobiology | 23 | 632 | 98 | 128 |
| 173 | Geomorphology | 11 | 630 | 812 | 631 |
| 174 | Computer Science | 19 | 626 | 769 | 388 |
| 175 | Geochemical Modeling | 7 | 623 | 189 | 133 |
| 175 | geological modeling | 7 | 623 | 304 | 149 |
| 177 | genome | 3 | 603 | 2124 | 1148 |
| 178 | Environmental monitoring | 14 | 597 | 2230 | 2117 |
| 179 | Organic Geochemistry | 10 | 595 | 167 | 164 |
| 180 | Decision making | 3 | 587 | 1882 | 507 |
| 181 | Neural circuitry | 11 | 586 | 1077 | 766 |
| 182 | Clinical Chemistry | 21 | 564 | 1428 | 1685 |
| 183 | Sedimentology | 4 | 557 | 611 | 202 |
| 184 | Membranes | 15 | 541 | 916 | 1037 |
| 185 | actuators | 15 | 533 | 1085 | 1087 |
| 185 | transducers | 15 | 533 | 1085 | 1087 |
| 187 | Signal Processing | 6 | 528 | 1627 | 640 |
| 188 | Genetic engineering | 7 | 526 | 1838 | 1279 |
| 189 | Atomic spectroscopy | 14 | 525 | 540 | 373 |
| 190 | sanitation | 13 | 521 | 851 | 1194 |
| 191 | Information Theory | 8 | 514 | 805 | 385 |
| 192 | Surface Chemistry | 18 | 505 | 1980 | 2082 |
| 193 | Aerospace Engineering | 37 | 500 | 35 | 32 |
| 194 | Freezing | 31 | 493 | 54 | 59 |
| 195 | polar regions | 12 | 491 | 313 | 217 |
| 196 | Aging | 11 | 479 | 2019 | 1525 |
| 197 | Pharmaceutical Chemistry | 11 | 478 | 2792 | 2439 |
| 198 | Biochemical Engineering | 4 | 467 | 3488 | 2699 |
| 199 | Biomechanics | 12 | 452 | 776 | 711 |
| 200 | Fracture mechanics | 12 | 450 | 771 | 590 |
| 201 | Population Genetics | 4 | 436 | 1299 | 814 |
| 202 | Ceramic materials | 4 | 427 | 1334 | 508 |
| 203 | Analytical Biochemistry | 15 | 416 | 795 | 846 |
| 204 | Geographic information systems | 12 | 413 | 445 | 243 |
| 205 | Industrial Microbiology | 4 | 410 | 2043 | 1222 |
| 206 | Smart Materials | 7 | 408 | 625 | 348 |
| 207 | Remote Sensing | 32 | 401 | 290 | 395 |
| 208 | Zoology | 5 | 400 | 2581 | 1199 |
| 209 | Biodiversity | 13 | 399 | 1243 | 1360 |
| 210 | Molecular Genetics | 3 | 394 | 2573 | 1408 |
| 210 | Molecular ecology | 3 | 394 | 1326 | 880 |
| 212 | Algae | 7 | 392 | 574 | 409 |
| 213 | Computer Engineering | 24 | 388 | 71 | 115 |
| 213 | Radiation effects | 23 | 388 | 79 | 296 |
| 215 | Mechanical Engineering | 12 | 387 | 1501 | 857 |
| 215 | Imaging systems | 6 | 387 | 511 | 101 |
| 217 | Celestial Mechanics | 9 | 386 | 89 | 52 |
| 218 | Seaweed | 6 | 383 | 467 | 334 |
| 219 | Cognition | 10 | 381 | 1085 | 1013 |
| 220 | Manufacturing Processes | 7 | 380 | 1813 | 1198 |
| 220 | Production Engineering | 7 | 380 | 1487 | 727 |
| 222 | Pharmacology | 22 | 376 | 2873 | 3790 |
| 223 | Sports Medicine | 14 | 374 | 1489 | 1290 |
| 224 | Aerosols | 24 | 372 | 151 | 256 |
| 224 | Asia | 3 | 372 | 3592 | 879 |
| 226 | human behavior | 9 | 363 | 1690 | 1989 |
| 227 | ecosystem | 7 | 362 | 1027 | 1012 |
| 228 | Structural dynamics | 9 | 357 | 643 | 593 |
| 228 | Quantum theory | 7 | 357 | 691 | 406 |
| 230 | Hydrogeology | 2 | 354 | 1063 | 244 |
| 231 | Stem cells | 6 | 352 | 1532 | 1218 |
| 232 | Structural design | 4 | 344 | 797 | 329 |
| 233 | Soil biology | 5 | 343 | 828 | 759 |
| 234 | Psychiatry | 6 | 342 | 4187 | 3220 |
| 234 | Electrochemical Analysis | 5 | 342 | 1401 | 764 |
| 236 | Metabolic diseases | 10 | 337 | 1823 | 2209 |
| 237 | Semiconductors | 10 | 332 | 1332 | 882 |
| 238 | Radiobiology | 11 | 324 | 1289 | 1115 |
| 239 | calcification | 9 | 322 | 327 | 356 |
| 240 | Diagnostic Imaging | 3 | 317 | 2684 | 1292 |
| 241 | Cybernetics | 13 | 315 | 623 | 668 |
| 242 | proteins | 8 | 314 | 1709 | 1433 |
| 243 | Developmental Biology | 6 | 309 | 1877 | 1855 |
| 243 | Geodynamics | 4 | 309 | 855 | 570 |
| 245 | Sports | 7 | 307 | 1644 | 1072 |
| 246 | Optical materials | 5 | 300 | 2396 | 1961 |
| 246 | rehabilitation | 3 | 300 | 2828 | 1420 |
| 248 | Quantum Chemistry | 24 | 291 | 221 | 312 |
| 249 | Animal Behavior | 10 | 290 | 1257 | 1576 |
| 250 | Ethology | 9 | 287 | 1035 | 1374 |
| 251 | Quantum Gravity | 9 | 285 | 1566 | 1456 |
| 252 | Colloids | 12 | 281 | 2415 | 2828 |
| 253 | Groundwater | 1 | 274 | 1373 | 321 |
| 254 | Genetics | 7 | 269 | 3650 | 3886 |
| 254 | Bacteria | 3 | 269 | 441 | 360 |
| 256 | protein | 4 | 268 | 1384 | 904 |
| 257 | plant communities | 2 | 266 | 1519 | 948 |
| 258 | Medical Physics | 6 | 265 | 1550 | 1153 |
| 258 | Rock deformation | 2 | 265 | 301 | 89 |
| 260 | Transportation | 12 | 263 | 908 | 1045 |
| 261 | Chemical analysis | 3 | 260 | 1491 | 742 |
| 262 | Combustion | 9 | 259 | 821 | 807 |
| 263 | environmental protection | 6 | 258 | 3160 | 2748 |
| 264 | Experimental Psychology | 5 | 255 | 477 | 358 |
| 265 | Hypertension | 4 | 252 | 1897 | 1876 |
| 266 | Conservation Biology | 2 | 248 | 1743 | 943 |
| 267 | vibration | 5 | 247 | 1124 | 689 |
| 268 | Extreme environments | 5 | 243 | 156 | 146 |
| 269 | Climate | 11 | 242 | 261 | 410 |
| 269 | Autonomous robots | 8 | 242 | 62 | 103 |
| 271 | Quantum Optics | 11 | 239 | 476 | 479 |
| 271 | Laser Spectroscopy | 11 | 239 | 435 | 428 |
| 273 | Social Sciences | 3 | 232 | 4669 | 1785 |
| 274 | machinery | 2 | 227 | 1140 | 348 |
| 275 | Human genetics | 2 | 221 | 3304 | 3656 |
| 276 | nucleic acids | 6 | 218 | 1655 | 1927 |
| 277 | Cosmology | 7 | 216 | 1140 | 744 |
| 278 | Operations Research | 3 | 215 | 2532 | 1483 |
| 278 | Quantum Communication | 3 | 215 | 209 | 158 |
| 278 | Ecosystem management | 3 | 215 | 809 | 508 |
| 278 | optical instruments | 14 | 215 | 172 | 287 |
| 278 | gene mapping | 4 | 215 | 2316 | 2140 |
| 283 | Cognitive neuroscience | 4 | 211 | 994 | 946 |
| 283 | Astrocytes | 4 | 211 | 513 | 586 |
| 285 | Neurobiology | 5 | 210 | 1800 | 1936 |
| 286 | Nutrition | 7 | 206 | 3899 | 3980 |
| 287 | Hematopoietic stem cell transplantation | 3 | 203 | 577 | 398 |
| 288 | Systems Theory | 7 | 198 | 348 | 124 |
| 288 | natural disasters | 5 | 198 | 1129 | 962 |
| 290 | Anatomy | 8 | 197 | 1584 | 1749 |
| 291 | Computational Chemistry | 8 | 196 | 413 | 548 |
| 291 | Finite Element Method | 6 | 196 | 161 | 125 |
| 293 | weather forecasting | 5 | 193 | 175 | 170 |
| 294 | Eigenvalues | 11 | 191 | 83 | 21 |
| 295 | Biological Systems | 5 | 190 | 595 | 423 |
| 295 | Social Systems | 5 | 190 | 112 | 26 |
| 295 | Computational Complexity | 5 | 190 | 910 | 403 |
| 298 | emergency management | 4 | 188 | 854 | 559 |
| 299 | Civil Engineering | 12 | 186 | 876 | 635 |
| 299 | Raman spectroscopy | 5 | 186 | 708 | 539 |
| 301 | Orthopedics | 3 | 184 | 2077 | 1410 |
| 301 | Genetic algorithms | 5 | 184 | 141 | 180 |
| 301 | Nanostructures | 13 | 184 | 1172 | 1977 |
| 304 | nuclear astrophysics | 5 | 183 | 435 | 402 |
| 304 | Oxidation | 6 | 183 | 102 | 100 |
| 306 | Evolutionary Computation | 4 | 182 | 313 | 281 |
| 307 | Plant diseases | 1 | 180 | 3322 | 1469 |
| 308 | clay | 8 | 178 | 439 | 746 |
| 308 | clay minerals | 8 | 178 | 137 | 229 |
| 310 | Immunology | 14 | 177 | 2527 | 3937 |
| 310 | plant molecular biology | 2 | 177 | 2086 | 1796 |
| 310 | Plants | 2 | 177 | 2959 | 1978 |
| 313 | Public Health | 4 | 175 | 6858 | 5553 |
| 314 | Epidemiology | 3 | 172 | 5078 | 3712 |
| 315 | Paleoclimatology | 4 | 170 | 1094 | 1040 |
| 315 | Paleoecology | 4 | 170 | 1049 | 948 |
| 315 | Solar Energy | 2 | 170 | 2418 | 1649 |
| 315 | Paleogeography | 4 | 170 | 934 | 863 |
| 315 | plankton | 3 | 170 | 243 | 171 |
| 320 | Photochemistry | 14 | 169 | 873 | 1485 |
| 320 | health planning | 6 | 169 | 1868 | 1554 |
| 322 | Chromatography | 13 | 167 | 838 | 1264 |
| 323 | Computational Linguistics | 10 | 166 | 183 | 165 |
| 323 | Measurement | 17 | 166 | 414 | 877 |
| 325 | Forest Management | 7 | 165 | 749 | 966 |
| 326 | Chromosome mapping | 3 | 164 | 2447 | 2095 |
| 326 | drug development | 2 | 164 | 1727 | 1691 |
| 328 | Paleontology | 3 | 160 | 1561 | 979 |
| 329 | reasoning | 2 | 159 | 559 | 230 |
| 329 | Fuzzy systems | 2 | 159 | 2419 | 870 |
| 331 | fuel cells | 6 | 157 | 1037 | 1337 |
| 331 | Malaria | 2 | 157 | 1138 | 653 |
| 333 | Bioorganic chemistry | 2 | 156 | 3844 | 2737 |
| 334 | Mass Spectrometry | 4 | 154 | 1342 | 1085 |
| 334 | Chromatographic analysis | 11 | 154 | 1130 | 1438 |
| 336 | Computer-Aided Design | 8 | 152 | 774 | 896 |
| 336 | Light | 13 | 152 | 474 | 1298 |
| 338 | Medical innovations | 1 | 151 | 2251 | 1888 |
| 338 | Microscopy | 7 | 151 | 1303 | 1140 |
| 340 | Neuromuscular diseases | 3 | 148 | 883 | 697 |
| 340 | Muscles | 3 | 148 | 1158 | 1044 |
| 342 | Psychometrics | 2 | 146 | 607 | 388 |
| 343 | Mobile Computing | 5 | 143 | 972 | 669 |
| 343 | Landscape Ecology | 5 | 143 | 382 | 518 |
| 343 | Quantum Computing | 8 | 143 | 82 | 168 |
| 346 | space environment | 8 | 141 | 155 | 210 |
| 347 | air | 2 | 140 | 270 | 234 |
| 347 | Agriculture | 2 | 140 | 3490 | 2125 |
| 349 | Cognitive Science | 7 | 138 | 1076 | 1509 |
| 350 | Systems Biology | 7 | 137 | 1264 | 1623 |
| 351 | Australia | 2 | 136 | 3056 | 1463 |
| 352 | Chronobiology | 7 | 135 | 232 | 338 |
| 352 | biological clocks | 7 | 135 | 232 | 338 |
| 352 | circadian rhythm | 7 | 135 | 232 | 338 |
| 355 | Morphology | 7 | 134 | 587 | 595 |
| 356 | Insect biochemistry | 2 | 133 | 682 | 482 |
| 357 | Forest Ecology | 5 | 132 | 968 | 1142 |
| 358 | Plant Ecology | 1 | 131 | 3025 | 2008 |
| 359 | Nanoelectronics | 6 | 128 | 698 | 539 |
| 360 | Traffic Engineering | 2 | 126 | 575 | 418 |
| 360 | Wireless Communication Systems | 3 | 126 | 2362 | 1453 |
| 362 | Neurons | 2 | 125 | 1047 | 1527 |
| 362 | Aquatic ecology | 2 | 125 | 1413 | 902 |
| 364 | Interfaces | 3 | 124 | 339 | 202 |
| 364 | visualization | 14 | 124 | 750 | 711 |
| 366 | Electrical Engineering | 43 | 121 | 1061 | 2124 |
| 366 | Otolaryngology | 4 | 121 | 673 | 597 |
| 368 | Biomass Energy | 3 | 120 | 2904 | 2941 |
| 369 | Energy Conversion | 5 | 119 | 1090 | 1594 |
| 369 | Energy Storage | 5 | 119 | 1124 | 1244 |
| 371 | Health Policy | 2 | 118 | 3773 | 2515 |
| 372 | Speech | 2 | 116 | 1277 | 926 |
| 373 | Public Policy | 1 | 115 | 3661 | 1908 |
| 373 | health services accessibility | 1 | 115 | 2114 | 896 |
| 375 | Viticulture | 1 | 114 | 287 | 105 |
| 376 | Medical Laboratory Science | 9 | 111 | 1413 | 2563 |
| 376 | Embryology | 6 | 111 | 1456 | 2155 |
| 376 | aerosol | 18 | 111 | 122 | 396 |
| 379 | Memory disorders | 2 | 110 | 361 | 257 |
| 380 | Mathematical Physics | 16 | 107 | 1655 | 2258 |
| 381 | Dynamics | 9 | 105 | 1192 | 1361 |
| 381 | Navigation | 6 | 105 | 305 | 272 |
| 383 | Synthetic biology | 3 | 103 | 363 | 355 |
| 383 | Mental illness | 1 | 103 | 4008 | 2828 |
| 385 | Serology | 3 | 101 | 655 | 513 |
| 386 | Genomics | 2 | 97 | 4968 | 4341 |
| 386 | Nonlinear systems | 4 | 97 | 561 | 474 |
| 388 | Simulation Methods | 9 | 93 | 504 | 872 |
| 388 | Classification | 2 | 93 | 417 | 250 |
| 390 | Digital electronics | 1 | 92 | 691 | 160 |
| 390 | Drug delivery systems | 1 | 92 | 2888 | 2088 |
| 390 | Drug delivery devices | 1 | 92 | 446 | 321 |
| 390 | Aquaculture | 2 | 92 | 2055 | 1584 |
| 394 | Water pollution | 3 | 89 | 3203 | 3525 |
| 395 | Gerontology | 3 | 88 | 2524 | 1993 |
| 395 | global environmental change | 7 | 88 | 604 | 1338 |
| 397 | Environmental Chemistry | 7 | 86 | 1670 | 2991 |
| 398 | Surgery | 1 | 85 | 3919 | 3047 |
| 398 | atmosphere | 7 | 85 | 545 | 1055 |
| 400 | Ultrasonics | 1 | 83 | 2097 | 1535 |
| 400 | Ultrasonic Imaging | 1 | 83 | 1114 | 604 |
| 400 | Minerals | 5 | 83 | 640 | 906 |
| 400 | Ultrasound | 1 | 83 | 1163 | 687 |
| 404 | Psycholinguistics | 2 | 82 | 1326 | 1186 |
| 405 | Industrial Engineering | 2 | 81 | 2707 | 2164 |
| 405 | computer networks | 10 | 81 | 1510 | 2410 |
| 407 | greenhouse effect | 6 | 80 | 23 | 101 |
| 407 | Carbon dioxide | 6 | 80 | 23 | 101 |
| 409 | Nanochemistry | 3 | 79 | 1420 | 1341 |
| 410 | Telecommunication Systems | 4 | 78 | 1596 | 1471 |
| 411 | Nanomedicine | 2 | 76 | 351 | 424 |
| 412 | Waste management | 8 | 75 | 925 | 1541 |
| 413 | Information Retrieval | 3 | 74 | 525 | 603 |
| 414 | Environmental Law | 2 | 72 | 1710 | 2152 |
| 414 | Photogrammetry | 15 | 72 | 292 | 397 |
| 414 | Communication | 2 | 72 | 2995 | 2101 |
| 417 | Mechanics | 2 | 71 | 1972 | 1231 |
| 418 | Speech Perception | 1 | 70 | 515 | 334 |
| 418 | auditory perception | 1 | 70 | 662 | 420 |
| 418 | Oral communication | 1 | 70 | 881 | 463 |
| 421 | preventive medicine | 2 | 69 | 2164 | 2132 |
| 421 | Health | 2 | 69 | 3702 | 3193 |
| 421 | periodicity | 5 | 69 | 16 | 7 |
| 421 | cycles | 5 | 69 | 93 | 69 |
| 425 | micromechanics | 3 | 68 | 697 | 789 |
| 425 | free radicals | 1 | 68 | 2758 | 2433 |
| 427 | Biogeography | 2 | 67 | 1373 | 1720 |
| 427 | Molecular Microbiology | 1 | 67 | 1723 | 1681 |
| 427 | Agricultural Ecology | 2 | 67 | 1716 | 1940 |
| 427 | Municipal Engineering | 7 | 67 | 151 | 470 |
| 431 | Medical genetics | 2 | 66 | 4104 | 4522 |
| 431 | Circadian rhythms | 2 | 66 | 461 | 477 |
| 431 | biological rhythms | 2 | 66 | 622 | 529 |
| 434 | Protozoa | 2 | 65 | 655 | 662 |
| 434 | Women's health | 1 | 65 | 2927 | 1827 |
| 436 | Intelligent Control Systems | 3 | 64 | 1345 | 900 |
| 436 | Volcanoes | 3 | 64 | 322 | 420 |
| 436 | Radio | 5 | 64 | 720 | 755 |
| 439 | Physical Geography | 4 | 63 | 549 | 656 |
| 439 | Diabetes mellitus | 3 | 63 | 2779 | 3607 |
| 439 | Combinatorial chemistry | 2 | 63 | 1337 | 1490 |
| 439 | Diabetes | 3 | 63 | 2885 | 3666 |
| 439 | impact | 3 | 63 | 371 | 570 |
| 444 | Nondestructive testing | 6 | 62 | 502 | 798 |
| 444 | Computer Architecture | 4 | 62 | 444 | 475 |
| 446 | Geodesy | 3 | 61 | 907 | 963 |
| 446 | Microfabrication | 3 | 61 | 447 | 487 |
| 446 | Reproduction | 2 | 61 | 3479 | 3276 |
| 449 | Research Design | 6 | 60 | 1062 | 1976 |
| 450 | Geomagnetism | 3 | 59 | 816 | 887 |
| 450 | Real-time Data Processing | 3 | 59 | 120 | 150 |
| 450 | Energy Harvesting | 3 | 59 | 512 | 931 |
| 453 | Turbulence | 3 | 58 | 266 | 276 |
| 454 | Chemical Oceanography | 2 | 55 | 429 | 619 |
| 454 | Invertebrates | 3 | 55 | 762 | 921 |
| 456 | Social Psychology | 2 | 54 | 3016 | 3007 |
| 456 | Mental Health | 2 | 54 | 2588 | 2325 |
| 456 | Periglacial processes | 2 | 54 | 188 | 246 |
| 456 | Rheology | 2 | 54 | 896 | 817 |
| 456 | Plastics | 5 | 54 | 1574 | 2091 |
| 456 | Permafrost | 2 | 54 | 188 | 246 |
| 456 | Frozen ground | 2 | 54 | 192 | 246 |
| 456 | standardization | 5 | 54 | 27 | 93 |
| 464 | infrared radiation | 11 | 53 | 249 | 711 |
| 465 | Atmospheric Science | 3 | 52 | 242 | 303 |
| 465 | mutation | 2 | 52 | 997 | 1246 |
| 465 | Cell differentiation | 1 | 52 | 3181 | 3268 |
| 465 | Genetic regulation | 1 | 52 | 2399 | 2214 |
| 465 | Chromosomes | 2 | 52 | 1507 | 1729 |
| 465 | cloning | 1 | 52 | 1415 | 1542 |
| 471 | Extracellular matrix | 1 | 51 | 595 | 677 |
| 471 | Interferons | 1 | 51 | 698 | 524 |
| 471 | cytokines | 1 | 51 | 2646 | 2374 |
| 471 | Cytokine | 1 | 51 | 941 | 939 |
| 471 | DNA polymerases | 1 | 51 | 1011 | 1389 |
| 471 | collagen | 1 | 51 | 620 | 695 |
| 477 | psychophysics | 3 | 50 | 377 | 412 |
| 477 | cell membrane | 3 | 50 | 751 | 1032 |
| 479 | RNA | 2 | 49 | 774 | 1040 |
| 480 | Quality Assurance | 1 | 48 | 984 | 515 |
| 480 | plasticity | 4 | 48 | 293 | 716 |
| 480 | air quality | 2 | 48 | 389 | 415 |
| 480 | Safety management | 1 | 48 | 1489 | 774 |
| 484 | Structural health monitoring | 3 | 47 | 225 | 384 |
| 484 | structural stability | 3 | 47 | 536 | 687 |
| 484 | Water chemistry | 2 | 47 | 563 | 508 |
| 487 | Environmental Geology | 2 | 46 | 2207 | 2405 |
| 487 | Kinetics | 1 | 46 | 1117 | 723 |
| 487 | Neurolinguistics | 1 | 46 | 869 | 810 |
| 487 | Psychosomatic Medicine | 1 | 46 | 1775 | 1633 |
| 487 | Chemical kinetics | 1 | 46 | 1502 | 777 |
| 487 | Speech Disorders | 1 | 46 | 1917 | 1530 |
| 487 | Adaptive control systems | 3 | 46 | 641 | 675 |
| 487 | Sound | 7 | 46 | 560 | 795 |
| 487 | language | 1 | 46 | 1520 | 1171 |
| 496 | Educational Psychology | 3 | 45 | 1601 | 1929 |
| 496 | Immune system | 2 | 45 | 1652 | 2175 |
| 496 | Immunity | 2 | 45 | 2899 | 3826 |
| 499 | Organic Chemistry | 4 | 44 | 3348 | 4339 |
| 499 | Learning | 1 | 44 | 2659 | 2141 |
| 501 | Synchrotron Radiation | 1 | 43 | 833 | 585 |
| 501 | Leukemia | 1 | 43 | 2346 | 2003 |
| 501 | Wind power | 4 | 43 | 262 | 449 |
| 501 | Detectors | 2 | 43 | 1443 | 1117 |
| 501 | motor skills | 2 | 43 | 275 | 310 |
| 506 | Quality Control | 3 | 42 | 2244 | 2950 |
| 506 | Sedimentary rocks | 1 | 42 | 1065 | 968 |
| 506 | Population | 1 | 42 | 2266 | 1655 |
| 509 | Antarctica | 3 | 41 | 670 | 746 |
| 510 | Green Chemistry | 1 | 40 | 2823 | 3042 |
| 510 | Sustainable Engineering | 1 | 40 | 2907 | 2786 |
| 510 | Wireless Sensor Networks | 1 | 40 | 70 | 37 |
| 510 | Earthquakes | 1 | 40 | 799 | 549 |
| 514 | Toxicology | 4 | 39 | 5300 | 7619 |
| 514 | Developmental Neurobiology | 1 | 39 | 1238 | 997 |
| 514 | wind erosion | 3 | 39 | 100 | 286 |
| 517 | Bioenergetics | 2 | 38 | 1303 | 1654 |
| 517 | Energy metabolism | 2 | 38 | 935 | 1176 |
| 517 | Shock Waves | 4 | 38 | 176 | 270 |
| 517 | Africa | 1 | 38 | 3323 | 2002 |
| 517 | Middle East | 1 | 38 | 2052 | 1124 |
| 517 | Convergence | 1 | 38 | 132 | 185 |
| 523 | Crystal growth | 2 | 37 | 1431 | 1679 |
| 523 | weather | 4 | 37 | 554 | 1185 |
| 525 | Consciousness | 1 | 36 | 977 | 769 |
| 525 | Cancer | 3 | 36 | 4609 | 6344 |
| 527 | Audiology | 2 | 34 | 1191 | 1385 |
| 527 | Approximation Theory | 1 | 34 | 799 | 503 |
| 527 | Information Science | 1 | 34 | 4777 | 4097 |
| 530 | Architecture | 1 | 33 | 1358 | 650 |
| 530 | Requirements Engineering | 1 | 33 | 171 | 202 |
| 530 | construction | 1 | 33 | 423 | 413 |
| 533 | industrial hygiene | 1 | 32 | 2614 | 1655 |
| 534 | Military psychology | 1 | 31 | 279 | 200 |
| 534 | Semiconductor industry | 1 | 31 | 1278 | 1009 |
| 536 | Respiratory Infections | 1 | 30 | 862 | 835 |
| 536 | Diet | 1 | 30 | 4280 | 4454 |
| 536 | Japan | 5 | 30 | 2047 | 3104 |
| 536 | biological monitoring | 1 | 30 | 1160 | 1251 |
| 536 | Influenza | 1 | 30 | 709 | 716 |
| 541 | Nuclear Engineering | 4 | 29 | 1337 | 1643 |
| 541 | Southern states | 1 | 29 | 706 | 453 |
| 543 | Solitons | 1 | 28 | 1999 | 1825 |
| 543 | Fractals | 1 | 28 | 2280 | 1986 |
| 543 | Chaos | 1 | 28 | 1999 | 1825 |
| 546 | Obstetrics | 4 | 27 | 2964 | 4558 |
| 546 | Pathology | 2 | 27 | 3613 | 4837 |
| 546 | Structural optimization | 4 | 27 | 322 | 716 |
| 546 | Comparative Physiology | 4 | 27 | 854 | 1586 |
| 546 | Hydrometeorology | 2 | 27 | 314 | 633 |
| 546 | Bifurcation Theory | 1 | 27 | 1257 | 955 |
| 546 | Shape Memory Alloys | 2 | 27 | 75 | 96 |
| 546 | elasticity | 2 | 27 | 325 | 391 |
| 546 | Shape memory polymers | 2 | 27 | 75 | 96 |
| 546 | Shape Memory Effect | 2 | 27 | 75 | 96 |
| 546 | Hospitals | 2 | 27 | 1169 | 1518 |
| 546 | enzymes | 1 | 27 | 2921 | 3139 |
| 546 | Fisheries | 1 | 27 | 3089 | 2779 |
| 559 | Education | 3 | 26 | 4914 | 5261 |
| 559 | Nuclear Energy | 3 | 26 | 1391 | 1576 |
| 559 | Cartography | 3 | 26 | 642 | 698 |
| 559 | Magnetic Materials | 2 | 26 | 1948 | 2339 |
| 559 | particles | 1 | 26 | 2000 | 1939 |
| 559 | Granular materials | 1 | 26 | 1207 | 1344 |
| 565 | energy conservation | 1 | 24 | 3589 | 4061 |
| 565 | Coral reef biology | 1 | 24 | 339 | 399 |
| 567 | Building Materials | 3 | 23 | 1861 | 3079 |
| 567 | Coastal zone management | 5 | 23 | 565 | 1551 |
| 567 | Proteome | 2 | 23 | 1859 | 2871 |
| 567 | Porous materials | 3 | 23 | 886 | 1348 |
| 567 | peptides | 2 | 23 | 1420 | 1802 |
| 567 | Peptide | 2 | 23 | 330 | 424 |
| 567 | viruses | 1 | 23 | 2830 | 3495 |
| 574 | bioclimatology | 3 | 22 | 1113 | 2043 |
| 574 | Geospatial data | 1 | 22 | 78 | 115 |
| 574 | Molecular structure | 3 | 22 | 3047 | 4325 |
| 577 | Neuropsychology | 3 | 21 | 2862 | 4540 |
| 577 | Underwater acoustics | 1 | 21 | 182 | 142 |
| 577 | Integrated Circuits | 2 | 21 | 1133 | 930 |
| 577 | Business Ethics | 1 | 21 | 1648 | 1989 |
| 577 | educational statistics | 1 | 21 | 197 | 214 |
| 577 | China | 2 | 21 | 4319 | 5400 |
| 583 | Archaeology | 2 | 20 | 1947 | 2169 |
| 583 | Physical organic chemistry | 1 | 20 | 2386 | 2591 |
| 583 | Emergency Medicine | 1 | 20 | 3232 | 3139 |
| 583 | X-ray spectroscopy | 1 | 20 | 527 | 472 |
| 583 | Developing countries | 1 | 20 | 4840 | 4758 |
| 588 | Bioinstrumentation | 1 | 19 | 136 | 107 |
| 588 | Information Systems | 1 | 19 | 3096 | 3180 |
| 588 | Diffraction | 1 | 19 | 332 | 240 |
| 588 | Information visualization | 1 | 19 | 448 | 353 |
| 588 | Plasma turbulence | 1 | 19 | 136 | 107 |
| 588 | Electrons | 1 | 19 | 261 | 186 |
| 594 | Seismology | 1 | 18 | 1033 | 1038 |
| 594 | Insects | 1 | 18 | 2743 | 2645 |
| 594 | freshwater biology | 2 | 18 | 1386 | 1990 |
| 594 | Primates | 2 | 18 | 1126 | 1533 |
| 594 | Soil ecology | 1 | 18 | 1432 | 1864 |
| 599 | Radiology | 2 | 17 | 2585 | 3115 |
| 599 | Database Management | 2 | 17 | 1121 | 1604 |
| 599 | Photobiology | 1 | 17 | 2690 | 3052 |
| 599 | Mycology | 2 | 17 | 2398 | 3320 |
| 599 | Human-robot interaction | 1 | 17 | 124 | 155 |
| 599 | Textile industry | 2 | 17 | 876 | 915 |
| 605 | Marine Engineering | 4 | 16 | 247 | 449 |
| 605 | cosmic rays | 1 | 16 | 1006 | 1040 |
| 605 | Environmental Management | 1 | 16 | 5191 | 6336 |
| 605 | radiocarbon dating | 1 | 16 | 197 | 225 |
| 605 | Wetland ecology | 1 | 16 | 1036 | 1210 |
| 605 | Wetland conservation | 1 | 16 | 757 | 930 |
| 605 | Zeolites | 1 | 16 | 1657 | 2179 |
| 605 | cell physiology | 1 | 16 | 2856 | 3718 |
| 605 | Wetlands | 1 | 16 | 772 | 935 |
| 614 | Microcirculation | 1 | 15 | 1065 | 1349 |
| 614 | Radio wave propagation | 2 | 15 | 1179 | 1509 |
| 614 | nuclear power | 1 | 15 | 1052 | 827 |
| 614 | Plasma polymerization | 2 | 15 | 390 | 703 |
| 614 | Blood vessels | 1 | 15 | 890 | 1124 |
| 614 | Fungi | 1 | 15 | 1922 | 2355 |
| 620 | Thin Films | 1 | 14 | 1254 | 1282 |
| 620 | Fish diseases | 1 | 14 | 287 | 417 |
| 620 | Aquatic animals | 1 | 14 | 466 | 623 |
| 623 | Urology | 1 | 13 | 3504 | 3980 |
| 623 | Aerodynamics | 3 | 13 | 182 | 192 |
| 623 | Biofilms | 1 | 13 | 383 | 744 |
| 623 | biological factors | 1 | 13 | 3597 | 4353 |
| 623 | Chemical industry | 3 | 13 | 1647 | 2739 |
| 623 | drugs | 1 | 13 | 4383 | 5171 |
| 623 | remote sensing technology | 1 | 13 | 90 | 152 |
| 630 | Game Theory | 2 | 12 | 831 | 1168 |
| 630 | Mechatronics | 1 | 12 | 1462 | 1721 |
| 630 | Flexible manufacturing systems | 1 | 12 | 848 | 1259 |
| 630 | Cytoskeleton | 1 | 12 | 589 | 900 |
| 630 | Freeze-Drying | 3 | 12 | 621 | 1236 |
| 630 | Hypothermia | 3 | 12 | 621 | 1236 |
| 630 | Freeze Drying | 3 | 12 | 621 | 1236 |
| 630 | irrigation | 1 | 12 | 746 | 882 |
| 638 | Knowledge | 1 | 11 | 779 | 767 |
| 638 | Semantic web | 1 | 11 | 416 | 571 |
| 638 | infrared technology | 4 | 11 | 213 | 435 |
| 641 | Histology | 1 | 10 | 3537 | 4581 |
| 641 | Tribology | 1 | 10 | 2143 | 2584 |
| 641 | Thermodynamics | 2 | 10 | 1711 | 2303 |
| 641 | Electrophoresis | 2 | 10 | 2490 | 4080 |
| 641 | hazard mitigation | 1 | 10 | 1885 | 2597 |
| 646 | Information Technology | 1 | 9 | 4887 | 5253 |
| 646 | Environmental Toxicology | 1 | 9 | 4532 | 6007 |
| 646 | Scheduling | 1 | 9 | 309 | 478 |
| 646 | Production Scheduling | 1 | 9 | 309 | 478 |
| 646 | Logic Programming | 1 | 9 | 599 | 600 |
| 646 | Entropy | 3 | 9 | 1293 | 2576 |
| 646 | Telecommunication | 3 | 9 | 2740 | 4277 |
| 646 | concrete | 1 | 9 | 1767 | 2283 |
| 646 | software | 3 | 9 | 1182 | 2808 |
| 655 | Histochemistry | 1 | 8 | 2259 | 2931 |
| 655 | Radiation Protection | 1 | 8 | 1547 | 1608 |
| 655 | Electromagnetism | 1 | 8 | 1462 | 1704 |
| 655 | Heat Exchangers | 1 | 8 | 2108 | 3010 |
| 655 | Kalman Filtering | 1 | 8 | 256 | 291 |
| 655 | Water Purification | 1 | 8 | 2184 | 2943 |
| 655 | Water quality management | 1 | 8 | 3474 | 4439 |
| 655 | behavior therapy | 1 | 8 | 1645 | 2208 |
| 655 | cryosphere | 1 | 8 | 744 | 1063 |
| 655 | Maps | 2 | 8 | 244 | 577 |
| 665 | Medical Technology | 2 | 7 | 2990 | 5390 |
| 665 | Geriatric Medicine | 1 | 7 | 361 | 632 |
| 665 | Neuroimaging | 1 | 7 | 649 | 942 |
| 665 | Marine Meteorology | 1 | 7 | 656 | 904 |
| 665 | Biotelemetry | 1 | 7 | 215 | 349 |
| 665 | Travel | 1 | 7 | 2058 | 2729 |
| 665 | Parasitology | 2 | 7 | 3425 | 5345 |
| 665 | space warfare | 1 | 7 | 47 | 60 |
| 665 | environmental exposure | 1 | 7 | 3904 | 5320 |
| 665 | Roads | 2 | 7 | 1058 | 1683 |
| 665 | optical phenomena | 1 | 7 | 288 | 496 |
| 665 | mathematical analysis | 3 | 7 | 2722 | 3737 |
| 677 | Pharmacy | 1 | 6 | 4217 | 5499 |
| 677 | Philosophy | 1 | 6 | 2833 | 2198 |
| 677 | Logic | 1 | 6 | 828 | 900 |
| 677 | Palynology | 2 | 6 | 418 | 788 |
| 677 | Infertility | 2 | 6 | 1676 | 2643 |
| 677 | Liposomes | 1 | 6 | 1150 | 1692 |
| 677 | Lipid bilayers | 1 | 6 | 915 | 1306 |
| 677 | ADA | 2 | 6 | 101 | 84 |
| 677 | Steroids | 1 | 6 | 1994 | 2850 |
| 677 | fertility | 2 | 6 | 1783 | 2779 |
| 687 | Functional Analysis | 1 | 5 | 2032 | 2309 |
| 687 | Particle Physics | 1 | 5 | 1463 | 1563 |
| 687 | Knowledge management | 1 | 5 | 1504 | 1908 |
| 687 | Noise control | 2 | 5 | 457 | 237 |
| 687 | Production Management | 1 | 5 | 1951 | 2884 |
| 687 | Risk | 2 | 5 | 858 | 1893 |
| 687 | movement | 1 | 5 | 711 | 1159 |
| 687 | management | 1 | 5 | 5999 | 7423 |
| 687 | Scandinavia | 1 | 5 | 1336 | 1878 |
| 687 | Testing | 1 | 5 | 108 | 77 |
| 687 | Uncertainty | 2 | 5 | 244 | 579 |
| 687 | Entomology | 1 | 5 | 4158 | 5023 |
| 687 | Exercise | 1 | 5 | 2618 | 3299 |
| 700 | Nuclear Chemistry | 1 | 4 | 2131 | 2724 |
| 700 | Biometrics | 3 | 4 | 1358 | 2882 |
| 700 | forest policy | 1 | 4 | 808 | 1369 |
| 700 | Metrology | 1 | 4 | 284 | 438 |
| 700 | Stress | 1 | 4 | 657 | 1199 |
| 705 | Statistics | 3 | 3 | 3261 | 5789 |
| 705 | Radiologic Technology | 1 | 3 | 407 | 671 |
| 705 | Marine Ecology | 1 | 3 | 1465 | 2198 |
| 705 | Experimental Design | 2 | 3 | 387 | 788 |
| 705 | Interventional Radiology | 1 | 3 | 407 | 671 |
| 705 | Stochastic Processes | 1 | 3 | 1798 | 2487 |
| 705 | Electronic Packaging | 1 | 3 | 376 | 603 |
| 705 | Combinatorial optimization | 1 | 3 | 1002 | 1363 |
| 705 | Multiphase Flow | 1 | 3 | 730 | 1197 |
| 705 | Electron Microscopy | 1 | 3 | 890 | 1377 |
| 705 | Interventional Radiography | 1 | 3 | 407 | 671 |
| 705 | Water Microbiology | 1 | 3 | 1106 | 2091 |
| 705 | Endoscopic Surgery | 1 | 3 | 407 | 671 |
| 705 | aquatic organisms | 1 | 3 | 17 | 111 |
| 705 | internet | 1 | 3 | 2476 | 3539 |
| 705 | Nanotubes | 1 | 3 | 483 | 836 |
| 721 | Dynamic programming | 1 | 2 | 52 | 71 |
| 721 | Animal ecology | 1 | 2 | 2153 | 3114 |
| 721 | Aviation | 1 | 2 | 243 | 445 |
| 721 | nucleotides | 1 | 2 | 737 | 1150 |
| 721 | Antibodies | 3 | 2 | 886 | 2351 |
| 721 | Antigens | 3 | 2 | 1187 | 2841 |
| 721 | Social behavior | 1 | 2 | 2281 | 3525 |
| 721 | explosives | 1 | 2 | 519 | 792 |
| 721 | winds | 1 | 2 | 301 | 536 |
| 721 | lasers | 2 | 2 | 2777 | 4448 |
| 721 | Breeding | 1 | 2 | 2282 | 3447 |
| 732 | Intelligent Transportation Systems | 1 | 1 | 1394 | 2242 |
| 732 | Telecommunications | 1 | 1 | 1686 | 2572 |
| 732 | Immunopathology | 1 | 1 | 2669 | 3911 |
| 732 | Renewable Energy Sources | 1 | 1 | 4540 | 6581 |
| 732 | Ecohydrology | 1 | 1 | 831 | 1523 |
| 732 | Multivariate Analysis | 1 | 1 | 931 | 1483 |
| 732 | Socialization | 1 | 1 | 976 | 1669 |
| 732 | Radioisotopes | 1 | 1 | 2501 | 3612 |
| 732 | role | 1 | 1 | 800 | 1447 |
| 732 | Allergy | 1 | 1 | 2431 | 3600 |
| 732 | Heterocyclic compounds | 1 | 1 | 1873 | 2724 |
| 743 | History | 1 | 0 | 2040 | 2203 |
| 743 | Hematology | 6 | 0 | 3262 | 6897 |
| 743 | Clinical Biochemistry | 1 | 0 | 2765 | 4065 |
| 743 | Agronomy | 1 | 0 | 1161 | 2058 |
| 743 | technology transfer | 1 | 0 | 658 | 1278 |
| 743 | Electrocardiography | 1 | 0 | 959 | 1537 |
| 743 | Nanomanufacturing | 1 | 0 | 268 | 554 |
| 743 | Neuroplasticity | 1 | 0 | 876 | 1589 |
| 743 | Parasitic Diseases | 1 | 0 | 3929 | 5841 |
| 743 | Parameter estimation | 1 | 0 | 12 | 12 |
| 743 | X-rays | 2 | 0 | 1123 | 2364 |
| 743 | Electrophysiology | 1 | 0 | 2321 | 3506 |
| 743 | Societies | 1 | 0 | 417 | 743 |
| 743 | North America | 1 | 0 | 1985 | 3316 |
| 743 | Parasites | 1 | 0 | 3013 | 4566 |
| 743 | Dementia | 1 | 0 | 2714 | 3414 |
| 743 | human development | 1 | 0 | 1456 | 2507 |
| 743 | Alzheimer's disease | 1 | 0 | 2779 | 3512 |
| 743 | Mountains | 1 | 0 | 942 | 1664 |
| 743 | Investments | 1 | 0 | 1268 | 2168 |
| 743 | Muscle contraction | 1 | 0 | 733 | 1340 |
