| 1 | Chemistry | 504 | 18.3K | 729 | 812 |
| 2 | Physics | 661 | 14.0K | 566 | 1016 |
| 3 | Biochemistry | 469 | 10.6K | 723 | 915 |
| 4 | Nuclear Physics | 189 | 9.5K | 702 | 530 |
| 5 | Materials | 297 | 7.6K | 558 | 732 |
| 6 | Biology | 182 | 7.1K | 998 | 1304 |
| 7 | Nuclear Engineering | 3 | 6.2K | 1372 | 38 |
| 8 | Science | 176 | 6.1K | 1112 | 1474 |
| 9 | Molecular Biology | 161 | 4.7K | 1042 | 1252 |
| 10 | Nanotechnology | 92 | 4.6K | 913 | 821 |
| 11 | Solid State Physics | 196 | 4.5K | 501 | 562 |
| 12 | Medicine | 139 | 4.5K | 1361 | 1377 |
| 13 | Solar Energy | 82 | 4.4K | 78 | 68 |
| 14 | Robotics | 189 | 4.3K | 36 | 82 |
| 15 | Biotechnology | 153 | 3.9K | 633 | 980 |
| 16 | Technology | 307 | 3.9K | 120 | 354 |
| 17 | Japan | 286 | 3.7K | 50 | 51 |
| 18 | solar cells | 56 | 3.5K | 45 | 27 |
| 19 | Research | 136 | 3.5K | 1174 | 1268 |
| 20 | Condensed Matter | 119 | 3.4K | 617 | 626 |
| 21 | Biophysics | 146 | 3.3K | 775 | 938 |
| 22 | Bioengineering | 123 | 3.2K | 440 | 739 |
| 23 | solar power | 46 | 3.2K | 42 | 22 |
| 24 | Microbiology | 128 | 3.1K | 873 | 1209 |
| 25 | actuators | 77 | 2.8K | 217 | 235 |
| 25 | transducers | 77 | 2.8K | 217 | 235 |
| 27 | Physiology | 87 | 2.5K | 662 | 740 |
| 28 | Biomedical Engineering | 104 | 2.5K | 699 | 859 |
| 29 | Photochemistry | 107 | 2.5K | 34 | 100 |
| 30 | Nanostructured Materials | 52 | 2.4K | 748 | 649 |
| 31 | Spectrum analysis | 77 | 2.3K | 866 | 902 |
| 32 | Electrochemistry | 188 | 2.2K | 442 | 718 |
| 33 | Astrophysics | 62 | 2.2K | 852 | 903 |
| 34 | Polymers | 96 | 2.2K | 835 | 894 |
| 35 | Materials Science | 118 | 2.0K | 655 | 1072 |
| 36 | Economics | 113 | 2.0K | 620 | 724 |
| 37 | Sports Medicine | 122 | 1.9K | 222 | 404 |
| 37 | plant molecular biology | 33 | 1.9K | 353 | 420 |
| 39 | Geophysics | 37 | 1.9K | 1025 | 773 |
| 40 | Organic Chemistry | 120 | 1.9K | 344 | 620 |
| 41 | Catalysis | 54 | 1.9K | 1000 | 1046 |
| 42 | polymerization | 80 | 1.9K | 756 | 803 |
| 43 | Pharmacology | 123 | 1.9K | 750 | 1121 |
| 44 | Environment | 74 | 1.8K | 869 | 1502 |
| 45 | Photobiology | 85 | 1.6K | 17 | 84 |
| 46 | Electronics | 277 | 1.6K | 165 | 626 |
| 47 | Ecology | 36 | 1.6K | 1864 | 1878 |
| 48 | Plants | 15 | 1.5K | 862 | 513 |
| 49 | Statistical physics | 107 | 1.5K | 616 | 840 |
| 50 | nanoscience | 15 | 1.5K | 1298 | 836 |
| 51 | Neurology | 59 | 1.4K | 1060 | 1283 |
| 52 | Pharmaceutical Chemistry | 86 | 1.4K | 554 | 865 |
| 53 | Chemical Engineering | 54 | 1.4K | 1214 | 1448 |
| 54 | Quantum Gravity | 49 | 1.4K | 696 | 678 |
| 55 | Metallurgy | 47 | 1.4K | 459 | 447 |
| 56 | Fracture mechanics | 59 | 1.4K | 192 | 219 |
| 57 | Plant physiology | 29 | 1.4K | 630 | 626 |
| 58 | Microelectronics | 34 | 1.3K | 431 | 460 |
| 59 | Sports | 94 | 1.3K | 224 | 410 |
| 60 | Planets | 23 | 1.3K | 553 | 488 |
| 61 | Dynamics | 18 | 1.2K | 574 | 131 |
| 62 | Optics | 119 | 1.2K | 672 | 931 |
| 63 | Mechatronics | 49 | 1.2K | 84 | 116 |
| 64 | Information Technology | 79 | 1.2K | 150 | 484 |
| 65 | Bioorganic chemistry | 57 | 1.2K | 504 | 716 |
| 66 | Recycling | 22 | 1.2K | 93 | 141 |
| 67 | Measurement | 15 | 1.2K | 487 | 139 |
| 68 | Agricultural Chemistry | 72 | 1.2K | 278 | 511 |
| 69 | Energy Policy | 26 | 1.2K | 833 | 867 |
| 70 | Botany | 29 | 1.1K | 1296 | 1199 |
| 71 | Biocompatible Materials | 31 | 1.1K | 1186 | 1320 |
| 72 | miniaturization | 22 | 1.1K | 576 | 580 |
| 73 | Plant cells | 14 | 1.1K | 483 | 523 |
| 74 | Pharmacy | 77 | 1.1K | 229 | 440 |
| 75 | Nonlinear Dynamics | 72 | 1.1K | 366 | 559 |
| 76 | Artificial Intelligence | 56 | 1.1K | 763 | 1040 |
| 77 | Cytology | 58 | 1.1K | 877 | 1349 |
| 78 | Image Processing | 28 | 1.1K | 668 | 624 |
| 79 | Psychology | 82 | 1.1K | 825 | 1166 |
| 80 | Physical Chemistry | 60 | 1.0K | 386 | 647 |
| 81 | Light | 24 | 1.0K | 227 | 404 |
| 82 | Plant Ecology | 9 | 1.0K | 976 | 575 |
| 83 | Toxicology | 49 | 968 | 1078 | 1448 |
| 83 | Metals | 31 | 968 | 528 | 557 |
| 85 | Energy Conversion | 25 | 944 | 338 | 568 |
| 86 | Neurophysiology | 27 | 940 | 904 | 947 |
| 87 | Environmental Policy | 27 | 931 | 954 | 1142 |
| 88 | Economic History | 68 | 900 | 497 | 711 |
| 89 | Cell Biology | 24 | 876 | 1290 | 1458 |
| 90 | Social Sciences | 26 | 873 | 1043 | 710 |
| 91 | Mathematical Physics | 80 | 863 | 508 | 767 |
| 92 | Public Health | 16 | 861 | 2139 | 1507 |
| 93 | Computer Vision | 12 | 854 | 501 | 360 |
| 94 | Mathematics | 98 | 842 | 1294 | 1490 |
| 95 | Nutrition | 41 | 838 | 999 | 1350 |
| 96 | Biomechanics | 42 | 834 | 215 | 342 |
| 97 | Analytical Chemistry | 52 | 831 | 1151 | 1564 |
| 98 | Mechanical Engineering | 52 | 829 | 451 | 481 |
| 99 | Energy Storage | 27 | 814 | 272 | 357 |
| 100 | Renewable Energy Sources | 25 | 793 | 803 | 1327 |
| 101 | commerce | 23 | 789 | 366 | 430 |
| 102 | proteins | 46 | 780 | 360 | 559 |
| 103 | Intelligent Transportation Systems | 23 | 740 | 262 | 350 |
| 104 | Optical materials | 33 | 734 | 752 | 1049 |
| 105 | Colloids | 33 | 707 | 1247 | 1559 |
| 105 | energy resources | 14 | 707 | 542 | 664 |
| 107 | energy conservation | 13 | 693 | 899 | 849 |
| 108 | Geriatrics | 16 | 691 | 1094 | 813 |
| 109 | micromechanics | 27 | 689 | 96 | 124 |
| 110 | Environmental Health | 34 | 685 | 1561 | 2103 |
| 111 | Automation | 18 | 682 | 915 | 887 |
| 112 | Pollution | 18 | 669 | 2322 | 2421 |
| 113 | Engineering | 35 | 658 | 1188 | 1201 |
| 114 | Neural circuitry | 25 | 650 | 550 | 682 |
| 115 | rehabilitation | 16 | 645 | 813 | 676 |
| 116 | Sustainable Development | 22 | 644 | 491 | 694 |
| 117 | Demography | 11 | 641 | 258 | 175 |
| 118 | Surface Chemistry | 28 | 639 | 1392 | 1584 |
| 119 | Clinical Chemistry | 31 | 636 | 715 | 973 |
| 120 | fuel cells | 21 | 620 | 393 | 568 |
| 121 | Quality of life | 12 | 591 | 574 | 481 |
| 122 | Economic Development | 22 | 572 | 445 | 626 |
| 123 | Microbial Ecology | 28 | 564 | 624 | 1098 |
| 124 | Biometrics | 4 | 559 | 841 | 314 |
| 125 | Psychophysiology | 29 | 551 | 889 | 1181 |
| 126 | Statistics | 13 | 544 | 1280 | 785 |
| 127 | protein | 33 | 543 | 226 | 401 |
| 128 | human behavior | 19 | 532 | 859 | 1240 |
| 129 | Sociology | 23 | 530 | 964 | 1007 |
| 129 | Physical organic chemistry | 22 | 530 | 437 | 439 |
| 131 | Computer Science | 66 | 529 | 147 | 439 |
| 132 | Bacteriology | 8 | 525 | 1031 | 861 |
| 133 | Telecommunication | 90 | 522 | 321 | 987 |
| 134 | Signal Processing | 26 | 520 | 875 | 1086 |
| 135 | Nervous system | 22 | 513 | 794 | 1009 |
| 136 | Behavior | 15 | 509 | 1308 | 1505 |
| 137 | Soil Mechanics | 19 | 495 | 388 | 452 |
| 138 | Neurochemistry | 23 | 485 | 795 | 1000 |
| 139 | Water pollution | 35 | 483 | 724 | 1359 |
| 139 | Therapeutics | 10 | 483 | 764 | 677 |
| 141 | Signal Transduction | 20 | 480 | 448 | 694 |
| 141 | Asia | 46 | 480 | 386 | 660 |
| 143 | Building Materials | 11 | 474 | 942 | 990 |
| 144 | Perception | 50 | 473 | 344 | 673 |
| 145 | Pharmacognosy | 18 | 470 | 654 | 834 |
| 146 | Respiration | 14 | 466 | 593 | 597 |
| 147 | Plant genetic engineering | 26 | 462 | 177 | 383 |
| 148 | Earth Sciences | 14 | 461 | 1545 | 1346 |
| 149 | Metabolic diseases | 9 | 458 | 1067 | 1022 |
| 150 | Energy Harvesting | 6 | 452 | 274 | 313 |
| 151 | Industrial Microbiology | 17 | 448 | 678 | 927 |
| 151 | economic policy | 52 | 448 | 376 | 683 |
| 153 | Natural history | 4 | 447 | 2572 | 2400 |
| 154 | Epidemiology | 11 | 445 | 1720 | 1379 |
| 154 | enzymes | 18 | 445 | 520 | 624 |
| 156 | Chemical industry | 51 | 443 | 148 | 301 |
| 157 | Plant Genetics | 19 | 425 | 184 | 372 |
| 157 | Brain | 28 | 425 | 833 | 1173 |
| 159 | Exercise | 27 | 422 | 347 | 524 |
| 160 | Water quality management | 31 | 420 | 362 | 586 |
| 161 | United States | 29 | 414 | 1502 | 1883 |
| 162 | Radiation | 27 | 404 | 595 | 728 |
| 162 | Synchrotron Radiation | 27 | 404 | 41 | 73 |
| 164 | finance | 34 | 401 | 608 | 941 |
| 165 | radioactive waste | 6 | 400 | 501 | 495 |
| 165 | industrial waste | 6 | 400 | 528 | 496 |
| 165 | Hazardous waste | 6 | 400 | 620 | 517 |
| 168 | Medical Laboratory Science | 12 | 396 | 904 | 1040 |
| 169 | Cybernetics | 8 | 388 | 954 | 756 |
| 170 | Electrical Engineering | 98 | 386 | 438 | 1010 |
| 170 | Green Chemistry | 13 | 386 | 804 | 1061 |
| 172 | nucleic acids | 8 | 380 | 926 | 924 |
| 173 | Genomics | 16 | 379 | 1197 | 1393 |
| 174 | Genes | 21 | 377 | 276 | 403 |
| 175 | Waste management | 27 | 372 | 273 | 442 |
| 176 | Liquid Crystals | 42 | 369 | 136 | 160 |
| 177 | Systems Biology | 16 | 368 | 530 | 629 |
| 178 | Astronomy | 37 | 367 | 907 | 1416 |
| 178 | System analysis | 8 | 367 | 1482 | 1022 |
| 180 | Biochemical Engineering | 19 | 362 | 1345 | 2095 |
| 180 | Pharmaceutical Technology | 17 | 362 | 543 | 716 |
| 182 | Medical Anthropology | 4 | 360 | 990 | 684 |
| 183 | Computational Biology | 15 | 359 | 976 | 1133 |
| 184 | environmental pollution | 14 | 358 | 2129 | 2552 |
| 185 | Water Purification | 26 | 356 | 218 | 367 |
| 186 | Cytogenetics | 17 | 354 | 455 | 742 |
| 187 | Detectors | 14 | 350 | 625 | 601 |
| 188 | Histology | 16 | 340 | 733 | 900 |
| 189 | Microwaves | 8 | 339 | 809 | 502 |
| 190 | Molecular Genetics | 15 | 338 | 749 | 1010 |
| 190 | Gene expression | 15 | 338 | 55 | 104 |
| 190 | Cell division | 15 | 338 | 64 | 153 |
| 193 | Drug delivery systems | 16 | 337 | 560 | 873 |
| 194 | glycoproteins | 12 | 336 | 148 | 203 |
| 194 | Glycoconjugates | 12 | 336 | 148 | 203 |
| 194 | glycolipids | 12 | 336 | 148 | 203 |
| 197 | Metabolism | 12 | 333 | 1083 | 1312 |
| 198 | Technological Innovations | 3 | 331 | 1058 | 439 |
| 199 | Photonics | 10 | 330 | 1046 | 1058 |
| 200 | International Finance | 21 | 329 | 545 | 806 |
| 201 | Endocrinology | 14 | 320 | 1149 | 1456 |
| 202 | Environmental monitoring | 8 | 313 | 2391 | 2349 |
| 203 | sustainability | 5 | 312 | 618 | 537 |
| 204 | Control Theory | 14 | 311 | 829 | 771 |
| 205 | Solar power plants | 10 | 310 | 55 | 79 |
| 205 | Photovoltaic Cells | 10 | 310 | 55 | 79 |
| 207 | drugs | 13 | 307 | 852 | 940 |
| 208 | Alternative Medicine | 14 | 306 | 504 | 659 |
| 209 | Sustainable Engineering | 10 | 301 | 845 | 976 |
| 210 | Tourism | 7 | 296 | 1069 | 1082 |
| 210 | Microfabrication | 5 | 296 | 222 | 109 |
| 212 | Environmental Management | 9 | 285 | 1706 | 2061 |
| 213 | Cognitive Science | 18 | 283 | 501 | 928 |
| 214 | Medical Physics | 12 | 282 | 723 | 846 |
| 215 | Environmental Engineering | 8 | 281 | 2300 | 2138 |
| 215 | Quantum electronics | 18 | 281 | 603 | 682 |
| 215 | Environmental Chemistry | 4 | 281 | 1788 | 1374 |
| 218 | Biomass Energy | 8 | 278 | 1500 | 1661 |
| 219 | Molecular Microbiology | 5 | 270 | 602 | 644 |
| 220 | Diet | 8 | 268 | 1079 | 1308 |
| 221 | Manufacturing Processes | 17 | 260 | 933 | 1240 |
| 222 | sanitation | 5 | 259 | 1089 | 1223 |
| 223 | Cancer | 6 | 258 | 1746 | 1660 |
| 224 | Human Geography | 19 | 256 | 372 | 510 |
| 225 | Ceramics | 13 | 255 | 619 | 658 |
| 226 | Developing countries | 13 | 251 | 991 | 1187 |
| 227 | Water | 12 | 249 | 1189 | 1742 |
| 228 | Proteome | 13 | 246 | 461 | 711 |
| 229 | Nitric oxide | 11 | 243 | 35 | 111 |
| 230 | Solid State Chemistry | 11 | 242 | 1453 | 1392 |
| 231 | Meteorites | 18 | 237 | 375 | 699 |
| 232 | Glass | 10 | 236 | 517 | 582 |
| 232 | pottery | 10 | 236 | 480 | 573 |
| 232 | Molecular structure | 11 | 236 | 1267 | 1262 |
| 235 | management | 19 | 231 | 1395 | 2148 |
| 236 | pigments | 15 | 229 | 260 | 444 |
| 237 | Bioinformatics | 6 | 228 | 1324 | 1174 |
| 238 | Magnetic Materials | 16 | 227 | 635 | 914 |
| 239 | Geochemistry | 11 | 224 | 1034 | 1227 |
| 240 | Developmental Biology | 8 | 221 | 1057 | 1291 |
| 241 | Genetics | 16 | 217 | 1388 | 2167 |
| 241 | Aging | 11 | 217 | 1241 | 1389 |
| 243 | China | 10 | 215 | 1548 | 1548 |
| 243 | Autonomous robots | 5 | 215 | 111 | 116 |
| 243 | Immunity | 2 | 215 | 1608 | 1302 |
| 246 | Nanoparticles | 14 | 213 | 812 | 1225 |
| 246 | city planning | 14 | 213 | 668 | 906 |
| 248 | Vision | 12 | 212 | 291 | 432 |
| 249 | Fertilizers | 1 | 211 | 572 | 192 |
| 250 | Electrochemical Analysis | 8 | 210 | 1005 | 972 |
| 251 | software | 5 | 209 | 774 | 732 |
| 252 | Geodynamics | 7 | 208 | 585 | 616 |
| 252 | Visual Perception | 19 | 208 | 527 | 864 |
| 254 | Industrial Ecology | 7 | 206 | 69 | 144 |
| 254 | lasers | 18 | 206 | 852 | 1127 |
| 254 | Cognition | 9 | 206 | 967 | 1038 |
| 257 | Carbon | 11 | 200 | 633 | 1140 |
| 258 | Pharmacokinetics | 7 | 197 | 457 | 545 |
| 259 | Embryology | 6 | 196 | 924 | 991 |
| 260 | Multiphase Flow | 3 | 194 | 386 | 258 |
| 260 | Growth | 5 | 194 | 761 | 910 |
| 262 | Chromatographic analysis | 11 | 193 | 921 | 966 |
| 263 | Landslides | 2 | 191 | 311 | 217 |
| 264 | locomotion | 11 | 190 | 258 | 409 |
| 264 | posture | 11 | 190 | 258 | 409 |
| 264 | gait | 11 | 190 | 258 | 409 |
| 264 | walking | 11 | 190 | 258 | 409 |
| 268 | Human-Computer Interaction | 11 | 189 | 688 | 993 |
| 268 | Host-parasite interactions | 1 | 189 | 1557 | 991 |
| 268 | Virulence | 1 | 189 | 1322 | 944 |
| 271 | Transportation | 16 | 187 | 637 | 1051 |
| 272 | Semiconductors | 14 | 185 | 965 | 1105 |
| 273 | Health Policy | 5 | 184 | 1488 | 1200 |
| 273 | Neuroplasticity | 6 | 184 | 104 | 144 |
| 275 | Flexible manufacturing systems | 5 | 183 | 241 | 215 |
| 276 | Ophthalmology | 10 | 182 | 898 | 1029 |
| 277 | Homeostasis | 1 | 180 | 589 | 659 |
| 277 | Cell metabolism | 1 | 180 | 987 | 734 |
| 279 | Production Engineering | 10 | 179 | 1046 | 1127 |
| 279 | Oligosaccharides | 7 | 179 | 96 | 124 |
| 279 | Extreme environments | 16 | 179 | 20 | 161 |
| 282 | Pharmacogenetics | 3 | 178 | 792 | 615 |
| 282 | Atmospheric Physics | 4 | 178 | 1221 | 1087 |
| 284 | Solutions | 12 | 176 | 104 | 152 |
| 285 | Hormones | 5 | 175 | 864 | 855 |
| 286 | Planetary Science | 14 | 174 | 173 | 237 |
| 287 | Digital humanities | 1 | 173 | 227 | 29 |
| 287 | biomedicine | 3 | 173 | 475 | 355 |
| 287 | Liver diseases | 2 | 173 | 1163 | 970 |
| 290 | Product Design | 8 | 172 | 288 | 244 |
| 290 | Carbohydrates | 7 | 172 | 220 | 307 |
| 292 | International Relations | 5 | 170 | 788 | 499 |
| 293 | Functional Analysis | 11 | 169 | 742 | 785 |
| 293 | Surface-Active Agents | 7 | 169 | 665 | 931 |
| 293 | Surface properties | 7 | 169 | 708 | 1001 |
| 296 | Hydrology | 9 | 168 | 1350 | 1576 |
| 297 | Combinatorial chemistry | 6 | 167 | 449 | 607 |
| 298 | Public Policy | 3 | 165 | 1650 | 1197 |
| 299 | probabilities | 31 | 164 | 384 | 638 |
| 300 | Nanostructures | 14 | 163 | 813 | 1483 |
| 300 | genome | 5 | 163 | 990 | 1216 |
| 302 | East Asia | 21 | 162 | 93 | 191 |
| 303 | Bioenergetics | 9 | 160 | 421 | 673 |
| 304 | Data Mining | 3 | 159 | 1613 | 1193 |
| 305 | Cosmology | 3 | 157 | 626 | 442 |
| 305 | health services accessibility | 2 | 157 | 1080 | 578 |
| 305 | Cell differentiation | 3 | 157 | 1188 | 1225 |
| 305 | Oligosaccharide | 5 | 157 | 186 | 260 |
| 309 | Information Theory | 6 | 152 | 1008 | 914 |
| 309 | Physical fitness | 9 | 152 | 538 | 745 |
| 309 | Radio | 6 | 152 | 973 | 1038 |
| 312 | Anatomy | 3 | 149 | 1727 | 1244 |
| 312 | Neurons | 2 | 149 | 586 | 817 |
| 314 | Molecular Pharmacology | 8 | 148 | 419 | 701 |
| 314 | Drug design | 14 | 148 | 567 | 1129 |
| 316 | Smart Materials | 9 | 147 | 476 | 629 |
| 317 | Sound | 37 | 146 | 172 | 592 |
| 318 | Obesity | 2 | 144 | 1830 | 1439 |
| 319 | human development | 7 | 142 | 494 | 671 |
| 320 | global environmental change | 5 | 141 | 556 | 776 |
| 321 | Electrophoresis | 8 | 140 | 953 | 1158 |
| 321 | Cognitive neuroscience | 6 | 140 | 651 | 832 |
| 323 | Orthopedics | 8 | 138 | 803 | 920 |
| 323 | Acoustics | 16 | 138 | 100 | 170 |
| 325 | Ergonomics | 5 | 137 | 695 | 608 |
| 325 | Microorganisms | 4 | 137 | 821 | 981 |
| 327 | nuclear magnetic resonance spectroscopy | 7 | 135 | 470 | 418 |
| 327 | natural products | 10 | 135 | 962 | 1199 |
| 327 | Steroids | 2 | 135 | 1002 | 676 |
| 330 | Chromatography | 8 | 134 | 939 | 1100 |
| 330 | plant communities | 2 | 134 | 1158 | 991 |
| 332 | Immunology | 3 | 132 | 2376 | 2157 |
| 332 | Medical genetics | 5 | 132 | 1423 | 1770 |
| 334 | Linguistics | 4 | 131 | 1133 | 792 |
| 335 | Software Engineering | 2 | 130 | 1170 | 716 |
| 336 | Atomic spectroscopy | 18 | 129 | 395 | 773 |
| 336 | Digestive system diseases | 8 | 129 | 499 | 637 |
| 338 | Neuropsychology | 13 | 128 | 1032 | 1624 |
| 338 | Fluid Dynamics | 7 | 128 | 699 | 814 |
| 338 | Functional Genomics | 4 | 128 | 185 | 265 |
| 338 | mathematical analysis | 18 | 128 | 1156 | 1417 |
| 342 | biological evolution | 6 | 127 | 1327 | 1775 |
| 343 | Chemical Ecology | 2 | 126 | 621 | 504 |
| 344 | Algae | 6 | 125 | 508 | 604 |
| 344 | disaster relief | 9 | 125 | 55 | 148 |
| 346 | Plant Biotechnology | 8 | 124 | 366 | 636 |
| 346 | marketing | 15 | 124 | 862 | 1587 |
| 348 | Psychiatry | 11 | 123 | 1922 | 2731 |
| 348 | Climatology | 3 | 123 | 1634 | 1462 |
| 350 | Metallic Glasses | 6 | 122 | 284 | 343 |
| 351 | Structural design | 7 | 121 | 511 | 636 |
| 351 | Magnetic Resonance Spectroscopy | 6 | 121 | 789 | 714 |
| 351 | cell interaction | 2 | 121 | 1103 | 949 |
| 354 | catalytic activity | 6 | 120 | 455 | 623 |
| 355 | Psycholinguistics | 2 | 119 | 1056 | 807 |
| 355 | Intelligence | 2 | 119 | 304 | 241 |
| 355 | Multimedia Systems | 9 | 119 | 1026 | 1282 |
| 355 | cell physiology | 7 | 119 | 857 | 1281 |
| 359 | Radiography | 4 | 118 | 567 | 757 |
| 360 | drug therapy | 11 | 117 | 916 | 1334 |
| 361 | Geographic information systems | 3 | 116 | 1149 | 743 |
| 362 | Systems Engineering | 9 | 115 | 1270 | 1658 |
| 363 | plasticity | 3 | 113 | 326 | 429 |
| 363 | Plastics | 3 | 113 | 1611 | 1224 |
| 365 | Mental Health | 5 | 110 | 1141 | 1179 |
| 365 | Quantum theory | 12 | 110 | 462 | 738 |
| 367 | Health Services Research | 7 | 109 | 935 | 1155 |
| 367 | preventive medicine | 1 | 109 | 1638 | 1006 |
| 367 | Quantum Optics | 14 | 109 | 346 | 622 |
| 367 | Laser Spectroscopy | 14 | 109 | 302 | 586 |
| 371 | synthesis | 7 | 107 | 689 | 655 |
| 372 | Pediatric Neurology | 3 | 106 | 712 | 907 |
| 373 | Yeast | 7 | 105 | 219 | 414 |
| 374 | Electronic Packaging | 5 | 103 | 144 | 156 |
| 374 | Sarcopenia | 3 | 103 | 345 | 485 |
| 374 | Molecular Spectroscopy | 8 | 103 | 1143 | 1512 |
| 374 | Protozoa | 3 | 103 | 396 | 376 |
| 374 | Muscles | 3 | 103 | 695 | 770 |
| 379 | Zeolites | 2 | 102 | 1123 | 1040 |
| 380 | Industrial Policy | 5 | 101 | 356 | 438 |
| 380 | Luminescence | 5 | 101 | 1098 | 1047 |
| 380 | internet | 6 | 101 | 1075 | 1388 |
| 383 | Internet of Things | 5 | 100 | 841 | 1104 |
| 383 | International Education | 2 | 100 | 331 | 193 |
| 385 | Geography | 7 | 97 | 1297 | 1659 |
| 385 | Wireless Communication Systems | 4 | 97 | 1981 | 1786 |
| 385 | sports injuries | 11 | 97 | 175 | 405 |
| 388 | Clinical Immunology | 1 | 96 | 1218 | 900 |
| 388 | Ultrasonics | 2 | 96 | 1418 | 1322 |
| 388 | Developmental Immunology | 1 | 96 | 931 | 637 |
| 388 | Ultrasonic Imaging | 2 | 96 | 611 | 436 |
| 388 | Ultrasound | 2 | 96 | 825 | 649 |
| 393 | color | 8 | 95 | 100 | 161 |
| 394 | Mining Engineering | 7 | 94 | 292 | 449 |
| 394 | pheromones | 1 | 94 | 761 | 553 |
| 396 | water supply | 3 | 93 | 833 | 899 |
| 397 | Rock Mechanics | 4 | 92 | 755 | 821 |
| 397 | Europe | 5 | 92 | 2136 | 2102 |
| 399 | Radiology | 6 | 91 | 858 | 884 |
| 399 | Child | 3 | 91 | 1977 | 1762 |
| 399 | Metallography | 4 | 91 | 674 | 767 |
| 402 | Telecommunications | 2 | 90 | 1026 | 551 |
| 402 | Long-Term Care | 2 | 90 | 584 | 530 |
| 402 | Long-term care facilities | 2 | 90 | 578 | 528 |
| 405 | Geology | 8 | 89 | 1776 | 2200 |
| 405 | United Kingdom | 5 | 89 | 1015 | 1283 |
| 407 | Computer Graphics | 11 | 88 | 854 | 1438 |
| 408 | Energy metabolism | 6 | 87 | 391 | 622 |
| 408 | cell membrane | 6 | 87 | 378 | 599 |
| 408 | Climate | 2 | 87 | 727 | 631 |
| 411 | Pediatrics | 3 | 86 | 1825 | 1854 |
| 412 | X-ray spectroscopy | 3 | 83 | 190 | 128 |
| 412 | Molecules | 7 | 83 | 1004 | 1115 |
| 412 | Cosmochemistry | 3 | 83 | 849 | 929 |
| 412 | Information Science | 9 | 83 | 1490 | 2433 |
| 416 | Primary health care | 4 | 82 | 1329 | 1406 |
| 416 | Social Change | 2 | 82 | 1261 | 1400 |
| 418 | Educational Sociology | 1 | 81 | 711 | 322 |
| 418 | Combustion | 3 | 81 | 1165 | 1185 |
| 418 | Child Development | 3 | 81 | 1607 | 1662 |
| 418 | Development | 4 | 81 | 653 | 925 |
| 422 | Computational Chemistry | 5 | 80 | 499 | 690 |
| 422 | Environmental Economics | 2 | 80 | 530 | 356 |
| 422 | Crystallography | 15 | 80 | 748 | 925 |
| 425 | Microbial Metabolism | 1 | 79 | 416 | 277 |
| 425 | Biodiversity | 5 | 79 | 1667 | 1991 |
| 427 | Geomagnetism | 4 | 78 | 500 | 569 |
| 428 | Stem cells | 5 | 77 | 912 | 1281 |
| 428 | organization | 3 | 77 | 813 | 958 |
| 428 | Allergy | 1 | 77 | 1215 | 1092 |
| 431 | Physical Therapy | 5 | 76 | 902 | 1177 |
| 431 | optical devices | 4 | 76 | 384 | 427 |
| 433 | Industrial Safety | 4 | 75 | 1022 | 1128 |
| 433 | voice | 5 | 75 | 346 | 418 |
| 433 | nuclear magnetic resonance | 2 | 75 | 1035 | 769 |
| 433 | economic conditions | 3 | 75 | 493 | 528 |
| 433 | Economic Assistance | 4 | 75 | 571 | 879 |
| 438 | Oceanography | 3 | 74 | 1517 | 1554 |
| 438 | Regional Planning | 9 | 74 | 830 | 1367 |
| 438 | Astrocytes | 1 | 74 | 635 | 636 |
| 441 | Immunotherapy | 2 | 73 | 1702 | 1694 |
| 441 | Immunopharmacology | 2 | 73 | 1180 | 1075 |
| 441 | Biodiversity conservation | 3 | 73 | 1463 | 1800 |
| 441 | cytokines | 2 | 73 | 1278 | 1307 |
| 445 | Psychopharmacology | 3 | 72 | 1194 | 1386 |
| 445 | Ocean Engineering | 2 | 72 | 1762 | 1649 |
| 445 | Neuropharmacology | 3 | 72 | 555 | 604 |
| 448 | Industrial Organization | 2 | 71 | 401 | 346 |
| 448 | Environmental Toxicology | 2 | 71 | 2621 | 2657 |
| 450 | Anthropology | 6 | 69 | 1028 | 1239 |
| 450 | environmental protection | 4 | 69 | 2985 | 3576 |
| 452 | bioclimatology | 1 | 68 | 1589 | 1043 |
| 452 | Fiber Optics | 6 | 68 | 651 | 890 |
| 452 | weather | 1 | 68 | 1000 | 689 |
| 455 | Nonlinear functional analysis | 3 | 67 | 1218 | 1089 |
| 456 | personality | 4 | 66 | 1247 | 1661 |
| 456 | Attention | 10 | 66 | 764 | 1385 |
| 458 | Game Theory | 4 | 65 | 482 | 498 |
| 458 | Bioinorganic chemistry | 4 | 65 | 1203 | 1434 |
| 458 | Learning | 5 | 65 | 917 | 1291 |
| 458 | drug evaluation | 8 | 65 | 692 | 1346 |
| 462 | Eurasia | 1 | 64 | 395 | 199 |
| 462 | antibiotics | 4 | 64 | 151 | 268 |
| 464 | Microscopy | 2 | 63 | 1602 | 1211 |
| 465 | Meteorology | 3 | 62 | 1896 | 2237 |
| 465 | Biosensors | 1 | 62 | 1761 | 1807 |
| 465 | Social Psychology | 8 | 62 | 1307 | 2202 |
| 465 | Ceramic materials | 6 | 62 | 945 | 1377 |
| 465 | Bioelectronics | 1 | 62 | 1578 | 1680 |
| 470 | Sleep Disorders | 4 | 61 | 1114 | 1331 |
| 470 | Sleep | 4 | 61 | 1123 | 1350 |
| 472 | NMR | 5 | 60 | 385 | 448 |
| 472 | magnetic resonance | 5 | 60 | 400 | 465 |
| 474 | Criminal psychology | 4 | 59 | 672 | 773 |
| 474 | Engineering Geology | 1 | 59 | 1838 | 1500 |
| 474 | Wireless Communication | 2 | 59 | 594 | 399 |
| 474 | Computational Intelligence | 13 | 59 | 177 | 701 |
| 474 | Microprocessors | 1 | 59 | 1031 | 584 |
| 474 | polar regions | 1 | 59 | 943 | 661 |
| 480 | Fluid Mechanics | 10 | 58 | 819 | 1409 |
| 480 | Green Technology | 4 | 58 | 277 | 529 |
| 482 | Medicinal plants | 1 | 57 | 2045 | 1786 |
| 482 | Biomarkers | 2 | 57 | 515 | 438 |
| 482 | body temperature | 3 | 57 | 535 | 632 |
| 482 | Computer Literacy | 2 | 57 | 293 | 310 |
| 482 | biochemical markers | 2 | 57 | 751 | 683 |
| 487 | Biopharmaceutics | 3 | 56 | 986 | 1265 |
| 487 | Genetic therapy | 3 | 56 | 841 | 1080 |
| 487 | extraterrestrial environment | 4 | 56 | 474 | 590 |
| 487 | astronomical phenomena | 4 | 56 | 423 | 543 |
| 491 | Heat Exchangers | 1 | 55 | 1773 | 1610 |
| 491 | Membranes | 8 | 55 | 1045 | 1897 |
| 493 | Climate change | 1 | 54 | 1397 | 1595 |
| 493 | Eutrophication | 1 | 54 | 1263 | 1524 |
| 493 | environmental issues | 1 | 54 | 788 | 640 |
| 496 | Pharmacogenomics | 1 | 53 | 493 | 404 |
| 496 | Differential Equations | 7 | 53 | 711 | 937 |
| 498 | Proteomics | 3 | 52 | 964 | 1288 |
| 498 | Number Theory | 12 | 52 | 356 | 547 |
| 498 | Land use | 2 | 52 | 1362 | 1503 |
| 498 | Food additives | 4 | 52 | 902 | 1566 |
| 498 | Food | 6 | 52 | 2172 | 3314 |
| 498 | movement | 3 | 52 | 335 | 521 |
| 498 | world | 2 | 52 | 852 | 1122 |
| 505 | Evolutionary Genetics | 1 | 51 | 1158 | 883 |
| 505 | Molecular Epidemiology | 1 | 51 | 1158 | 883 |
| 505 | dietary supplements | 4 | 51 | 717 | 1225 |
| 505 | Vietnam | 1 | 51 | 262 | 119 |
| 505 | computer networks | 6 | 51 | 1730 | 2447 |
| 510 | Structural dynamics | 2 | 50 | 1084 | 1295 |
| 510 | Forensic Psychology | 1 | 50 | 648 | 428 |
| 510 | Music | 4 | 50 | 744 | 765 |
| 510 | Remote Sensing | 8 | 50 | 864 | 1373 |
| 510 | Virtual reality | 4 | 50 | 312 | 521 |
| 510 | Photogrammetry | 8 | 50 | 431 | 466 |
| 510 | Reproductive toxicology | 2 | 50 | 531 | 611 |
| 517 | Clinical Pharmacology | 1 | 49 | 1609 | 1334 |
| 517 | Cardiovascular system | 1 | 49 | 1435 | 1493 |
| 517 | international trade | 6 | 49 | 461 | 809 |
| 517 | landscapes | 2 | 49 | 235 | 243 |
| 517 | neuronal plasticity | 1 | 49 | 226 | 261 |
| 517 | Teaching | 5 | 49 | 1362 | 1786 |
| 517 | Crystal growth | 7 | 49 | 659 | 1243 |
| 517 | multimedia | 1 | 49 | 816 | 729 |
| 517 | cryosphere | 2 | 49 | 404 | 502 |
| 517 | Cell death | 1 | 49 | 1313 | 1400 |
| 517 | Interactive multimedia | 1 | 49 | 959 | 806 |
| 528 | Neurobiology | 6 | 48 | 1030 | 1785 |
| 528 | Urban Economics | 3 | 48 | 352 | 549 |
| 528 | Thermodynamics | 8 | 48 | 723 | 1119 |
| 528 | Health | 3 | 48 | 1915 | 2181 |
| 528 | Supramolecular chemistry | 6 | 48 | 119 | 227 |
| 528 | urban population | 3 | 48 | 201 | 419 |
| 528 | primary prevention | 6 | 48 | 233 | 593 |
| 528 | hydrocolloids | 1 | 48 | 981 | 1152 |
| 536 | Urban Policy | 1 | 47 | 1412 | 1176 |
| 536 | Political Psychology | 2 | 47 | 441 | 517 |
| 536 | Stochastic Processes | 11 | 47 | 393 | 965 |
| 536 | Semantics | 1 | 47 | 429 | 246 |
| 536 | Economic Thought | 1 | 47 | 516 | 517 |
| 536 | Neurotransmitters | 7 | 47 | 292 | 524 |
| 542 | Archaeology | 1 | 46 | 1742 | 1192 |
| 542 | Systems Theory | 1 | 46 | 810 | 335 |
| 542 | Cognitive Psychology | 4 | 46 | 368 | 475 |
| 542 | hazard mitigation | 2 | 46 | 1206 | 1347 |
| 542 | psychotherapy | 3 | 46 | 1162 | 1321 |
| 542 | Sites | 1 | 46 | 842 | 804 |
| 542 | Solar System | 7 | 46 | 466 | 833 |
| 549 | Nutrition physiology | 4 | 45 | 586 | 998 |
| 550 | Kinesiology | 3 | 44 | 132 | 236 |
| 550 | Kinetics | 3 | 44 | 487 | 618 |
| 550 | Architectural Design | 12 | 44 | 128 | 453 |
| 550 | Diabetes mellitus | 3 | 44 | 1537 | 2031 |
| 550 | Mental Disorders | 3 | 44 | 2235 | 2743 |
| 550 | Enzyme inhibitors | 2 | 44 | 530 | 608 |
| 550 | gene therapy | 1 | 44 | 1206 | 1160 |
| 550 | psychophysics | 9 | 44 | 169 | 399 |
| 550 | Suicide | 5 | 44 | 374 | 679 |
| 550 | Diabetes | 3 | 44 | 1583 | 2044 |
| 560 | Information Systems | 5 | 43 | 1060 | 1786 |
| 560 | Nanoelectronics | 3 | 43 | 758 | 787 |
| 560 | Nuclear Fusion | 2 | 43 | 651 | 581 |
| 560 | Behavioral research | 2 | 43 | 802 | 698 |
| 560 | Composite Materials | 9 | 43 | 1556 | 2921 |
| 560 | Environmentalism | 1 | 43 | 296 | 302 |
| 560 | Semiconductor industry | 3 | 43 | 556 | 626 |
| 567 | Emergency Medical Services | 1 | 42 | 1040 | 782 |
| 567 | Genetic engineering | 3 | 42 | 1788 | 2280 |
| 567 | Risk Management | 1 | 42 | 1192 | 913 |
| 567 | emergency management | 2 | 42 | 839 | 995 |
| 567 | behavioral medicine | 2 | 42 | 1431 | 1800 |
| 567 | environmental indicators | 1 | 42 | 1734 | 1800 |
| 567 | Molecular cloning | 3 | 42 | 1330 | 1657 |
| 567 | Genetic recombination | 3 | 42 | 1312 | 1643 |
| 567 | Electron Microscopy | 3 | 42 | 398 | 487 |
| 567 | Recombinant DNA | 3 | 42 | 1374 | 1713 |
| 577 | Education | 9 | 41 | 2081 | 3262 |
| 577 | Computational Linguistics | 7 | 41 | 253 | 528 |
| 577 | Drug targeting | 2 | 41 | 397 | 633 |
| 580 | Visual Communication | 4 | 40 | 348 | 549 |
| 580 | civilization | 2 | 40 | 1249 | 541 |
| 580 | Roads | 6 | 40 | 469 | 649 |
| 580 | insurance | 2 | 40 | 467 | 463 |
| 584 | Conservation Biology | 4 | 39 | 942 | 1458 |
| 584 | Soft Condensed Matter | 6 | 39 | 703 | 1342 |
| 584 | Iron | 4 | 39 | 252 | 365 |
| 584 | biopolymers | 6 | 39 | 780 | 1446 |
| 588 | Environmental Microbiology | 2 | 38 | 1514 | 2008 |
| 588 | Experimental Psychology | 5 | 38 | 447 | 742 |
| 588 | Hypertension | 2 | 38 | 1256 | 1606 |
| 588 | food technology | 6 | 38 | 1788 | 3121 |
| 588 | Superconductors | 1 | 38 | 1208 | 894 |
| 588 | Superconductivity | 1 | 38 | 696 | 504 |
| 588 | Hydraulic machinery | 7 | 38 | 17 | 49 |
| 588 | Ubiquitous computing | 3 | 38 | 274 | 250 |
| 588 | Reservoirs | 1 | 38 | 364 | 219 |
| 588 | lakes | 1 | 38 | 176 | 96 |
| 588 | Alloys | 2 | 38 | 382 | 230 |
| 588 | Africa | 4 | 38 | 1304 | 1469 |
| 588 | Agriculture | 3 | 38 | 2033 | 2486 |
| 601 | Political Science | 2 | 37 | 1870 | 1469 |
| 601 | Human genetics | 3 | 37 | 1378 | 2293 |
| 601 | Engineering Mathematics | 15 | 37 | 755 | 1906 |
| 601 | Numerical Analysis | 8 | 37 | 1586 | 2349 |
| 601 | Oncogenes | 1 | 37 | 1150 | 1351 |
| 601 | atmosphere | 1 | 37 | 1195 | 1160 |
| 607 | Geometry | 12 | 36 | 593 | 1006 |
| 607 | Algebra | 10 | 36 | 896 | 1201 |
| 607 | Optoelectronic devices | 11 | 36 | 403 | 972 |
| 607 | Chemical analysis | 9 | 36 | 584 | 1512 |
| 607 | Investments | 3 | 36 | 536 | 718 |
| 612 | Ecological Genetics | 3 | 35 | 651 | 818 |
| 612 | Seismology | 7 | 35 | 273 | 608 |
| 612 | Medical Microbiology | 1 | 35 | 2482 | 2588 |
| 612 | Population Genetics | 3 | 35 | 1095 | 1662 |
| 612 | visualization | 7 | 35 | 859 | 1094 |
| 612 | Small Business | 1 | 35 | 1143 | 1309 |
| 612 | peace | 4 | 35 | 403 | 637 |
| 619 | Fashion merchandising | 2 | 34 | 49 | 102 |
| 619 | Wetland ecology | 1 | 34 | 854 | 695 |
| 619 | Wetland conservation | 1 | 34 | 628 | 536 |
| 619 | Migration | 2 | 34 | 255 | 218 |
| 619 | Fashion | 2 | 34 | 190 | 204 |
| 619 | Informatics | 3 | 34 | 829 | 1174 |
| 619 | Wetlands | 1 | 34 | 639 | 539 |
| 626 | Econometrics | 7 | 33 | 917 | 1434 |
| 626 | Computer-Aided Design | 4 | 33 | 1034 | 1582 |
| 626 | Product life cycle | 4 | 33 | 226 | 545 |
| 626 | green products | 4 | 33 | 195 | 517 |
| 626 | wood | 4 | 33 | 386 | 596 |
| 631 | Nanochemistry | 3 | 32 | 1274 | 1775 |
| 631 | mass transfer | 1 | 32 | 2242 | 2137 |
| 631 | Drying | 2 | 32 | 481 | 614 |
| 631 | foreign exchange | 1 | 32 | 600 | 614 |
| 631 | energy development | 2 | 32 | 1099 | 1470 |
| 631 | Australia | 5 | 32 | 1362 | 2136 |
| 637 | Photography | 4 | 31 | 919 | 605 |
| 637 | Earthquake Engineering | 1 | 31 | 1730 | 1723 |
| 637 | Sports Physical Therapy | 2 | 31 | 9 | 3 |
| 637 | Neurosurgery | 3 | 31 | 808 | 1158 |
| 637 | Information visualization | 6 | 31 | 86 | 214 |
| 637 | Medical Illustration | 3 | 31 | 13 | 11 |
| 637 | Aerosols | 2 | 31 | 626 | 745 |
| 637 | Medical innovations | 3 | 31 | 804 | 1553 |
| 637 | medical education | 3 | 31 | 1538 | 2006 |
| 637 | Radio waves | 3 | 31 | 814 | 1135 |
| 637 | Human Resources | 1 | 31 | 838 | 1019 |
| 637 | biomimicry | 3 | 31 | 168 | 332 |
| 637 | Food preferences | 4 | 31 | 305 | 701 |
| 637 | Evolution | 1 | 31 | 2351 | 2292 |
| 637 | aerosol | 2 | 31 | 452 | 543 |
| 652 | Cloud Computing | 1 | 30 | 646 | 686 |
| 652 | Kalman Filtering | 13 | 30 | 35 | 118 |
| 652 | Leadership | 1 | 30 | 956 | 995 |
| 652 | urban health | 1 | 30 | 453 | 487 |
| 652 | Intelligent Control Systems | 4 | 30 | 1055 | 1299 |
| 652 | Cardiovascular diseases | 2 | 30 | 1500 | 1664 |
| 652 | Food Security | 1 | 30 | 316 | 385 |
| 652 | Organometallic compounds | 1 | 30 | 1804 | 1687 |
| 652 | Lipids | 5 | 30 | 919 | 1762 |
| 652 | Memory | 2 | 30 | 1596 | 1949 |
| 652 | Developed countries | 1 | 30 | 454 | 423 |
| 663 | Child psychology | 1 | 29 | 1906 | 1885 |
| 663 | Culture | 4 | 29 | 926 | 1175 |
| 663 | Money | 1 | 29 | 663 | 722 |
| 666 | Thrombosis | 2 | 28 | 959 | 1186 |
| 666 | Wildlife conservation | 1 | 28 | 1537 | 1661 |
| 666 | Ventilation | 2 | 28 | 656 | 830 |
| 666 | atmospheric models | 2 | 28 | 683 | 934 |
| 666 | Population | 3 | 28 | 839 | 1362 |
| 666 | impact | 2 | 28 | 376 | 575 |
| 672 | Regional Economics | 3 | 27 | 471 | 726 |
| 672 | Business | 3 | 27 | 2118 | 2887 |
| 672 | Communication | 3 | 27 | 2029 | 2551 |
| 675 | Structural Engineering | 6 | 26 | 1133 | 1926 |
| 675 | Palliative Care | 1 | 26 | 1217 | 1060 |
| 675 | hospice care | 1 | 26 | 841 | 784 |
| 675 | Thin Films | 2 | 26 | 669 | 732 |
| 675 | X-ray crystallography | 4 | 26 | 456 | 644 |
| 675 | concrete | 6 | 26 | 655 | 1500 |
| 675 | educational planning | 1 | 26 | 733 | 765 |
| 675 | Fisheries | 4 | 26 | 1297 | 1940 |
| 675 | vitamins | 1 | 26 | 283 | 361 |
| 684 | Architecture | 8 | 25 | 266 | 593 |
| 684 | Language Disorders | 1 | 25 | 1171 | 1070 |
| 684 | Voice Disorders | 1 | 25 | 122 | 114 |
| 684 | vibration | 2 | 25 | 1328 | 1636 |
| 684 | Simulation Methods | 2 | 25 | 1313 | 1587 |
| 684 | Speech Disorders | 1 | 25 | 1326 | 1243 |
| 684 | Mountains | 2 | 25 | 538 | 615 |
| 684 | mammals | 2 | 25 | 1165 | 1320 |
| 684 | Trace elements | 2 | 25 | 354 | 664 |
| 684 | Protein engineering | 2 | 25 | 255 | 418 |
| 684 | molecular design | 2 | 25 | 281 | 421 |
| 695 | Mobile Computing | 3 | 24 | 1093 | 1523 |
| 695 | Environmental Education | 1 | 24 | 666 | 656 |
| 695 | Atmospheric Chemistry | 1 | 24 | 1148 | 1362 |
| 695 | Analytical Biochemistry | 3 | 24 | 1629 | 2293 |
| 695 | Strategic planning | 4 | 24 | 659 | 1274 |
| 695 | sadness | 4 | 24 | 171 | 466 |
| 695 | Communication in politics | 1 | 24 | 522 | 414 |
| 695 | death | 4 | 24 | 249 | 553 |
| 695 | population geography | 3 | 24 | 390 | 705 |
| 695 | antisocial personality disorder | 4 | 24 | 171 | 466 |
| 705 | Geotechnical Engineering | 1 | 23 | 766 | 715 |
| 705 | Comparative Education | 3 | 23 | 216 | 391 |
| 705 | Powder Metallurgy | 8 | 23 | 69 | 231 |
| 705 | Transport | 1 | 23 | 947 | 1075 |
| 705 | Pacific Islands | 1 | 23 | 599 | 474 |
| 705 | Sea | 1 | 23 | 845 | 936 |
| 705 | Fishery resources | 1 | 23 | 931 | 1018 |
| 705 | biological agents | 6 | 23 | 437 | 613 |
| 705 | Fuzzy systems | 4 | 23 | 1516 | 2138 |
| 705 | cloning | 1 | 23 | 798 | 1004 |
| 715 | Humanities | 2 | 22 | 2376 | 2343 |
| 715 | Microeconomics | 1 | 22 | 566 | 474 |
| 715 | air quality management | 1 | 22 | 976 | 1135 |
| 715 | Microbial Biotechnology | 1 | 22 | 1681 | 1859 |
| 715 | Parallel Processing | 2 | 22 | 540 | 815 |
| 715 | Freeze-Drying | 1 | 22 | 667 | 705 |
| 715 | Substance Abuse | 1 | 22 | 1853 | 1823 |
| 715 | Ferroelectricity | 7 | 22 | 663 | 1167 |
| 715 | Hypothermia | 1 | 22 | 667 | 705 |
| 715 | Freeze Drying | 1 | 22 | 667 | 705 |
| 715 | indoor air pollution | 1 | 22 | 683 | 777 |
| 715 | Sick building syndrome | 1 | 22 | 683 | 777 |
| 715 | electrocatalysis | 1 | 22 | 246 | 273 |
| 715 | RNA | 1 | 22 | 754 | 903 |
| 715 | Emotions | 2 | 22 | 688 | 1033 |
| 730 | Oncology | 1 | 21 | 2454 | 2875 |
| 730 | Educational Psychology | 8 | 21 | 848 | 2017 |
| 730 | Nonverbal Communication | 1 | 21 | 373 | 513 |
| 730 | Electromagnetism | 8 | 21 | 598 | 1408 |
| 730 | Body language | 1 | 21 | 244 | 368 |
| 730 | Social Entrepreneurship | 1 | 21 | 309 | 420 |
| 730 | Dementia | 3 | 21 | 1170 | 1295 |
| 730 | Electromagnetic fields | 8 | 21 | 151 | 424 |
| 730 | Alzheimer's disease | 3 | 21 | 1178 | 1339 |
| 730 | Mental illness | 2 | 21 | 1771 | 2428 |
| 740 | Community Psychiatry | 1 | 20 | 1362 | 1548 |
| 740 | Structural biology | 2 | 20 | 77 | 267 |
| 740 | diffusion | 1 | 20 | 610 | 225 |
| 740 | Crisis Intervention | 1 | 20 | 295 | 358 |
| 740 | Computational Fluid Dynamics | 4 | 20 | 533 | 1075 |
| 740 | Heart Failure | 1 | 20 | 489 | 626 |
| 740 | Erosion | 1 | 20 | 242 | 335 |
| 740 | vascular diseases | 1 | 20 | 871 | 1064 |
| 740 | Southeast Asia | 6 | 20 | 194 | 583 |
| 740 | Psychiatric Epidemiology | 1 | 20 | 763 | 1001 |
| 750 | Social Choice Theory | 1 | 19 | 426 | 350 |
| 750 | Paleoclimatology | 3 | 19 | 1033 | 1632 |
| 750 | Welfare Economics | 1 | 19 | 679 | 676 |
| 750 | Crystallization | 3 | 19 | 497 | 640 |
| 750 | greenhouse effect | 1 | 19 | 137 | 221 |
| 750 | Well-being | 1 | 19 | 327 | 366 |
| 750 | Collective behavior | 2 | 19 | 108 | 259 |
| 750 | Adaptive control systems | 2 | 19 | 765 | 978 |
| 750 | Government policy | 1 | 19 | 315 | 354 |
| 750 | Carbon dioxide | 1 | 19 | 137 | 221 |
| 750 | traffic safety | 1 | 19 | 540 | 608 |
| 761 | Paleontology | 2 | 18 | 1379 | 1653 |
| 761 | Geomorphology | 2 | 18 | 1525 | 2177 |
| 761 | Power Electronics | 2 | 18 | 1140 | 1512 |
| 761 | infrared radiation | 3 | 18 | 615 | 984 |
| 761 | taxation | 2 | 18 | 329 | 527 |
| 761 | Multilingualism | 1 | 18 | 542 | 640 |
| 761 | motor learning | 1 | 18 | 44 | 30 |
| 761 | movement disorders | 1 | 18 | 44 | 30 |
| 761 | Mechanics | 5 | 18 | 1029 | 1770 |
| 761 | Capital market | 4 | 18 | 347 | 945 |
| 761 | Building | 7 | 18 | 325 | 823 |
| 761 | cultural pluralism | 1 | 18 | 758 | 769 |
| 761 | Approximation Theory | 1 | 18 | 720 | 622 |
| 761 | health planning | 4 | 18 | 1916 | 3096 |
| 761 | freshwater biology | 3 | 18 | 907 | 1552 |
| 776 | Language Acquisition | 1 | 17 | 609 | 584 |
| 776 | Psychometrics | 1 | 17 | 658 | 723 |
| 776 | Bilingualism | 1 | 17 | 311 | 375 |
| 776 | Molecular evolution | 1 | 17 | 2076 | 2513 |
| 776 | population policy | 1 | 17 | 288 | 331 |
| 776 | Diplomatic relations | 3 | 17 | 639 | 699 |
| 776 | technical education | 1 | 17 | 1144 | 1173 |
| 776 | population trends | 1 | 17 | 147 | 237 |
| 776 | Demographic analysis | 1 | 17 | 42 | 72 |
| 776 | Population Dynamics | 1 | 17 | 353 | 435 |
| 786 | Telecommunication Systems | 4 | 16 | 1438 | 2196 |
| 786 | Mineralogy | 2 | 16 | 1430 | 1804 |
| 786 | Animal Behavior | 1 | 16 | 2324 | 2706 |
| 786 | symbiosis | 1 | 16 | 328 | 430 |
| 786 | Integrated Circuits | 2 | 16 | 977 | 987 |
| 786 | Rheology | 5 | 16 | 409 | 1013 |
| 786 | disarmament | 2 | 16 | 194 | 310 |
| 786 | Parenteral nutrition | 2 | 16 | 969 | 1516 |
| 786 | Mitochondrial DNA | 2 | 16 | 276 | 322 |
| 786 | sexual behavior | 1 | 16 | 1076 | 1224 |
| 796 | Land Use Planning | 1 | 15 | 634 | 807 |
| 796 | Ichthyology | 3 | 15 | 479 | 758 |
| 796 | Raman spectroscopy | 2 | 15 | 974 | 1498 |
| 796 | Earthquakes | 2 | 15 | 452 | 672 |
| 796 | amino acids | 1 | 15 | 961 | 1209 |
| 796 | econometric models | 1 | 15 | 1105 | 1268 |
| 796 | Cerebral cortex | 3 | 15 | 799 | 1415 |
| 803 | Public Administration | 2 | 14 | 1568 | 1916 |
| 803 | Organizational change | 3 | 14 | 752 | 1442 |
| 803 | Sikhism | 1 | 14 | 54 | 25 |
| 803 | moral development | 1 | 14 | 252 | 390 |
| 803 | Moral Education | 1 | 14 | 286 | 354 |
| 803 | Global warming | 1 | 14 | 342 | 349 |
| 803 | Research methodology | 1 | 14 | 202 | 327 |
| 803 | Adolescent | 1 | 14 | 2799 | 2952 |
| 803 | peptides | 2 | 14 | 973 | 1449 |
| 803 | Navigation | 1 | 14 | 534 | 469 |
| 813 | Paleoecology | 3 | 13 | 1003 | 1665 |
| 813 | Institutional Economics | 9 | 13 | 10 | 106 |
| 813 | Social Stratification | 1 | 13 | 179 | 208 |
| 813 | Evolutionary economics | 9 | 13 | 44 | 390 |
| 813 | digital preservation | 2 | 13 | 91 | 237 |
| 813 | Mass Media | 1 | 13 | 1347 | 1062 |
| 813 | Social mobility | 1 | 13 | 179 | 208 |
| 813 | Genetic testing | 1 | 13 | 590 | 671 |
| 813 | Gene expression regulation | 4 | 13 | 742 | 1597 |
| 813 | arms control | 1 | 13 | 167 | 160 |
| 813 | Genetic regulation | 4 | 13 | 829 | 1702 |
| 813 | older people | 3 | 13 | 1452 | 2023 |
| 813 | social conflict | 1 | 13 | 378 | 443 |
| 813 | social status | 1 | 13 | 179 | 208 |
| 813 | Occupational mobility | 1 | 13 | 179 | 208 |
| 828 | Crowdsourcing | 1 | 12 | 35 | 47 |
| 828 | Fermentation | 4 | 12 | 174 | 523 |
| 828 | Virology | 2 | 12 | 2487 | 3581 |
| 828 | Learning disabilities | 2 | 12 | 934 | 1404 |
| 828 | Plant tissue culture | 1 | 12 | 1109 | 1404 |
| 828 | Gerontology | 3 | 12 | 1709 | 2572 |
| 828 | men | 1 | 12 | 597 | 759 |
| 828 | counseling | 3 | 12 | 1220 | 1985 |
| 828 | Intellectual disability | 2 | 12 | 899 | 1379 |
| 828 | Plant cell culture | 1 | 12 | 1032 | 1390 |
| 828 | masculinity | 1 | 12 | 209 | 330 |
| 839 | Natural resources | 1 | 11 | 1174 | 1483 |
| 839 | soil management | 1 | 11 | 895 | 1233 |
| 839 | Globalization | 4 | 11 | 461 | 1278 |
| 839 | feeding behavior | 3 | 11 | 692 | 1493 |
| 839 | Imaging systems | 4 | 11 | 699 | 1398 |
| 839 | health services | 1 | 11 | 1588 | 1912 |
| 839 | tillage | 1 | 11 | 717 | 1059 |
| 839 | Appetite | 3 | 11 | 611 | 1366 |
| 847 | Quality Management | 1 | 10 | 376 | 480 |
| 847 | Probability | 3 | 10 | 574 | 1161 |
| 847 | Quality Control | 1 | 10 | 2580 | 3130 |
| 847 | Ethnic relations | 2 | 10 | 759 | 1048 |
| 847 | mutation | 1 | 10 | 838 | 1149 |
| 847 | Diagnostic Imaging | 2 | 10 | 1892 | 2597 |
| 847 | Thermochemistry | 1 | 10 | 768 | 967 |
| 847 | Phylogenetics | 2 | 10 | 127 | 311 |
| 847 | Health insurance | 1 | 10 | 700 | 918 |
| 847 | Securities | 1 | 10 | 695 | 929 |
| 847 | Chromosomes | 1 | 10 | 1249 | 1608 |
| 847 | thinking | 1 | 10 | 655 | 881 |
| 847 | sports administration | 1 | 10 | 604 | 819 |
| 847 | Nonprofit organizations | 3 | 10 | 349 | 880 |
| 847 | Creativity | 1 | 10 | 679 | 959 |
| 847 | eugenics | 1 | 10 | 882 | 1159 |
| 863 | Nuclear Energy | 1 | 9 | 1494 | 1577 |
| 863 | Nanomedicine | 1 | 9 | 495 | 878 |
| 863 | Digital electronics | 1 | 9 | 604 | 609 |
| 863 | Coastal zone management | 1 | 9 | 1112 | 1534 |
| 863 | Bioavailability | 1 | 9 | 194 | 358 |
| 863 | Ethnic Conflict | 1 | 9 | 468 | 658 |
| 863 | Paleogeography | 2 | 9 | 1055 | 1593 |
| 863 | Transnational corporations | 1 | 9 | 810 | 1157 |
| 863 | Image enhancement | 1 | 9 | 679 | 906 |
| 863 | Chromosome mapping | 2 | 9 | 1807 | 2901 |
| 863 | analysis | 1 | 9 | 544 | 695 |
| 863 | Marine resources | 1 | 9 | 1143 | 1579 |
| 863 | forced migration | 1 | 9 | 468 | 658 |
| 863 | Islam | 1 | 9 | 862 | 890 |
| 863 | research and development | 1 | 9 | 599 | 833 |
| 863 | gene mapping | 2 | 9 | 1928 | 3081 |
| 863 | race relations | 1 | 9 | 950 | 1071 |
| 863 | motor skills | 2 | 9 | 265 | 561 |
| 863 | Muscle contraction | 3 | 9 | 331 | 644 |
| 882 | Development Economics | 3 | 8 | 418 | 1027 |
| 882 | Hemostasis | 1 | 8 | 927 | 1145 |
| 882 | monoclonal antibodies | 1 | 8 | 475 | 609 |
| 882 | Feminism | 2 | 8 | 721 | 1130 |
| 882 | cooperation | 2 | 8 | 186 | 381 |
| 882 | big data | 1 | 8 | 1231 | 1554 |
| 882 | Developmental Disabilities | 3 | 8 | 914 | 1853 |
| 882 | Enzyme | 2 | 8 | 665 | 1336 |
| 882 | innovation | 2 | 8 | 741 | 1450 |
| 882 | Bone diseases | 1 | 8 | 723 | 1001 |
| 882 | pharmaceutical industry | 1 | 8 | 967 | 1309 |
| 882 | Nonlinear systems | 1 | 8 | 998 | 1232 |
| 894 | Marine Ecology | 1 | 7 | 1135 | 1469 |
| 894 | Social Movements | 1 | 7 | 299 | 415 |
| 894 | Developmental Psychology | 2 | 7 | 1169 | 1914 |
| 894 | Financial Engineering | 1 | 7 | 366 | 681 |
| 894 | Food Preservation | 2 | 7 | 1020 | 1690 |
| 894 | Nanophotonics | 1 | 7 | 558 | 823 |
| 894 | Sustainable agriculture | 1 | 7 | 1277 | 1761 |
| 894 | Communication Policy | 2 | 7 | 111 | 356 |
| 894 | technology transfer | 2 | 7 | 348 | 830 |
| 894 | Telecommunication Policy | 2 | 7 | 111 | 356 |
| 894 | Venture Capital | 1 | 7 | 486 | 754 |
| 894 | Second Language Acquisition | 1 | 7 | 377 | 624 |
| 894 | Parasitology | 1 | 7 | 2815 | 3355 |
| 894 | Group decision making | 1 | 7 | 820 | 1070 |
| 894 | Serbia | 1 | 7 | 296 | 287 |
| 894 | calcification | 1 | 7 | 708 | 1021 |
| 894 | migration policy | 2 | 7 | 278 | 593 |
| 894 | Breeding | 1 | 7 | 1626 | 2121 |
| 894 | adulthood | 2 | 7 | 145 | 437 |
| 913 | Embedded Systems | 2 | 6 | 263 | 491 |
| 913 | Tribology | 1 | 6 | 1585 | 1964 |
| 913 | Macroeconomics | 1 | 6 | 656 | 794 |
| 913 | Cartography | 13 | 6 | 106 | 977 |
| 913 | Machine Learning | 2 | 6 | 411 | 750 |
| 913 | Urban Geography | 1 | 6 | 417 | 647 |
| 913 | Mobile genetic elements | 1 | 6 | 208 | 383 |
| 913 | Feminist criticism | 1 | 6 | 264 | 391 |
| 913 | Nutritional support | 1 | 6 | 281 | 447 |
| 913 | Diffusion of innovations | 1 | 6 | 244 | 501 |
| 913 | Knowledge management | 1 | 6 | 1009 | 1427 |
| 913 | Disability Law | 1 | 6 | 311 | 490 |
| 913 | Respiratory Infections | 1 | 6 | 516 | 767 |
| 913 | Entrepreneurship | 1 | 6 | 1609 | 2222 |
| 913 | Organic farming | 1 | 6 | 105 | 216 |
| 913 | Plant hormones | 1 | 6 | 584 | 998 |
| 913 | Language teaching | 1 | 6 | 148 | 316 |
| 913 | second language | 1 | 6 | 148 | 316 |
| 913 | machinery | 1 | 6 | 1304 | 1605 |
| 913 | optical pattern recognition | 2 | 6 | 181 | 386 |
| 913 | DNA | 2 | 6 | 731 | 1335 |
| 913 | Brain damage | 1 | 6 | 635 | 945 |
| 913 | India | 3 | 6 | 1515 | 2699 |
| 913 | Southern states | 1 | 6 | 550 | 684 |
| 913 | data protection | 2 | 6 | 787 | 1382 |
| 938 | Pathology | 1 | 5 | 2181 | 2870 |
| 938 | Clinical Laboratory Science | 1 | 5 | 408 | 615 |
| 938 | Freshwater Ecology | 1 | 5 | 562 | 854 |
| 938 | Evolutionary Psychology | 1 | 5 | 328 | 509 |
| 938 | Information Retrieval | 1 | 5 | 818 | 1174 |
| 938 | Educational Technology | 1 | 5 | 2580 | 3397 |
| 938 | Chemical Oceanography | 1 | 5 | 431 | 664 |
| 938 | Forecasting | 2 | 5 | 707 | 1262 |
| 938 | Multivariate Analysis | 1 | 5 | 880 | 1133 |
| 938 | Noise control | 11 | 5 | 74 | 217 |
| 938 | Infrared spectroscopy | 1 | 5 | 686 | 1097 |
| 938 | isomerism | 1 | 5 | 625 | 949 |
| 938 | school-to-work transition | 1 | 5 | 144 | 318 |
| 938 | sleep-wake cycle | 1 | 5 | 266 | 418 |
| 938 | Vocational guidance | 1 | 5 | 1389 | 1845 |
| 938 | biological factors | 1 | 5 | 2588 | 3310 |
| 938 | Safety management | 1 | 5 | 1161 | 1654 |
| 938 | Jurisprudence | 2 | 5 | 1058 | 1660 |
| 938 | African Americans | 1 | 5 | 363 | 483 |
| 938 | fusion reactors | 1 | 5 | 607 | 764 |
| 938 | African American | 1 | 5 | 289 | 424 |
| 938 | Chirality | 1 | 5 | 625 | 949 |
| 938 | police | 2 | 5 | 474 | 780 |
| 938 | Egypt | 1 | 5 | 1129 | 1741 |
| 962 | Philosophy | 2 | 4 | 1671 | 1823 |
| 962 | Marine Biology | 2 | 4 | 2575 | 3897 |
| 962 | Criminology | 1 | 4 | 1342 | 1679 |
| 962 | Audiology | 1 | 4 | 1006 | 1326 |
| 962 | Volcanology | 1 | 4 | 54 | 120 |
| 962 | Organometallic chemistry | 3 | 4 | 2098 | 3377 |
| 962 | Marine Pollution | 1 | 4 | 1805 | 2562 |
| 962 | industrial relations | 1 | 4 | 1317 | 1761 |
| 962 | Urban Areas | 1 | 4 | 470 | 752 |
| 962 | Paleobotany | 1 | 4 | 314 | 521 |
| 962 | Petroleum | 1 | 4 | 460 | 685 |
| 962 | immigration | 1 | 4 | 381 | 616 |
| 962 | Vegetation dynamics | 1 | 4 | 294 | 493 |
| 962 | Asylum seeker | 1 | 4 | 312 | 559 |
| 962 | eye movements | 1 | 4 | 37 | 92 |
| 962 | natural disasters | 2 | 4 | 1574 | 2754 |
| 978 | Music Therapy | 1 | 3 | 420 | 717 |
| 978 | Art Therapy | 1 | 3 | 392 | 670 |
| 978 | Food Policy | 1 | 3 | 561 | 999 |
| 978 | Biochemical Genetics | 1 | 3 | 862 | 1188 |
| 978 | International Law | 3 | 3 | 411 | 581 |
| 978 | Topology | 1 | 3 | 520 | 629 |
| 978 | Human Rights | 1 | 3 | 989 | 1401 |
| 978 | Distributed Databases | 1 | 3 | 311 | 513 |
| 978 | Democracy | 1 | 3 | 605 | 709 |
| 978 | Democratization | 1 | 3 | 295 | 520 |
| 978 | Cognitive Therapy | 1 | 3 | 987 | 1490 |
| 978 | Dance therapy | 1 | 3 | 349 | 598 |
| 978 | local government | 1 | 3 | 591 | 967 |
| 978 | agricultural policy | 1 | 3 | 425 | 798 |
| 978 | Discrimination in Education | 1 | 3 | 1 | 13 |
| 978 | Social policy | 1 | 3 | 1627 | 2256 |
| 978 | Protein folding | 1 | 3 | 159 | 323 |
| 978 | Ethnology | 1 | 3 | 2208 | 2647 |
| 978 | territorial expansion | 1 | 3 | 260 | 73 |
| 978 | behavior therapy | 1 | 3 | 1133 | 1618 |
| 978 | fishing industry | 1 | 3 | 243 | 481 |
| 978 | Comparative Law | 2 | 3 | 327 | 420 |
| 978 | women | 1 | 3 | 1471 | 1879 |