| 1 | Science | 1,245 | 60.1K | 293 | 423 |
| 2 | Botany | 1,237 | 56.3K | 26 | 33 |
| 3 | Molecular Biology | 1,611 | 47.9K | 136 | 278 |
| 4 | Pollution | 1,013 | 43.4K | 42 | 65 |
| 5 | Microbiology | 1,307 | 41.8K | 92 | 197 |
| 6 | Biochemistry | 1,466 | 40.8K | 300 | 382 |
| 7 | Environment | 732 | 39.5K | 66 | 89 |
| 8 | Biology | 771 | 37.8K | 452 | 600 |
| 9 | Biotechnology | 1,203 | 36.4K | 32 | 104 |
| 10 | Chemistry | 1,136 | 35.2K | 409 | 523 |
| 11 | Plants | 711 | 31.4K | 3 | 12 |
| 12 | Plant cells | 457 | 30.1K | 6 | 23 |
| 13 | plant molecular biology | 589 | 29.9K | 6 | 16 |
| 14 | Ecology | 813 | 28.2K | 167 | 276 |
| 15 | Physics | 378 | 27.1K | 1132 | 935 |
| 16 | environmental pollution | 680 | 27.0K | 30 | 34 |
| 17 | Medicine | 873 | 26.8K | 431 | 552 |
| 18 | Research | 810 | 24.7K | 317 | 327 |
| 19 | Biomass Energy | 429 | 23.0K | 12 | 12 |
| 20 | Plant physiology | 582 | 22.8K | 7 | 19 |
| 21 | food technology | 748 | 21.5K | 4 | 6 |
| 22 | Genetics | 591 | 20.7K | 94 | 199 |
| 23 | Food | 679 | 20.7K | 8 | 11 |
| 24 | Cell Biology | 376 | 19.5K | 250 | 356 |
| 25 | Agricultural Chemistry | 715 | 19.5K | 18 | 16 |
| 26 | soil microbiology | 369 | 18.7K | 10 | 17 |
| 27 | Environmental Health | 592 | 18.4K | 107 | 178 |
| 28 | Plant diseases | 544 | 17.1K | 21 | 15 |
| 29 | Genomics | 588 | 16.5K | 14 | 34 |
| 30 | Cytology | 337 | 16.0K | 325 | 428 |
| 31 | Biophysics | 669 | 15.6K | 214 | 268 |
| 32 | Natural history | 60 | 15.1K | 898 | 733 |
| 33 | Nutrition | 410 | 14.0K | 133 | 160 |
| 34 | Virology | 391 | 13.1K | 139 | 374 |
| 35 | China | 766 | 12.8K | 34 | 22 |
| 36 | Environmental Engineering | 300 | 12.3K | 125 | 152 |
| 37 | Soil Science | 472 | 12.3K | 21 | 44 |
| 38 | Agriculture | 652 | 11.9K | 17 | 29 |
| 39 | Bioengineering | 320 | 11.3K | 157 | 302 |
| 40 | Environmental monitoring | 315 | 11.1K | 53 | 88 |
| 41 | Analytical Chemistry | 404 | 10.6K | 166 | 213 |
| 41 | Colloids | 237 | 10.6K | 266 | 186 |
| 43 | Toxicology | 381 | 10.3K | 171 | 220 |
| 44 | Plant Genetics | 199 | 9.7K | 8 | 11 |
| 45 | Food additives | 201 | 9.1K | 9 | 9 |
| 46 | Plant genetic engineering | 260 | 9.1K | 10 | 11 |
| 47 | Environmental Policy | 236 | 8.9K | 65 | 135 |
| 48 | Sustainable agriculture | 455 | 8.8K | 2 | 3 |
| 49 | Microbial Ecology | 220 | 8.8K | 89 | 175 |
| 50 | Nanotechnology | 234 | 8.6K | 547 | 589 |
| 51 | hydrocolloids | 161 | 8.5K | 9 | 9 |
| 52 | gene mapping | 266 | 8.3K | 26 | 93 |
| 53 | Breeding | 241 | 7.8K | 25 | 32 |
| 54 | Soil biology | 151 | 7.7K | 27 | 38 |
| 55 | Biochemical Engineering | 228 | 7.6K | 137 | 320 |
| 56 | Chromosome mapping | 253 | 7.4K | 16 | 57 |
| 57 | environmental protection | 259 | 7.1K | 46 | 106 |
| 58 | Chemical Engineering | 218 | 7.1K | 480 | 479 |
| 59 | Environmental Management | 247 | 6.9K | 29 | 70 |
| 60 | Biomedical Engineering | 243 | 6.8K | 274 | 301 |
| 61 | Plant Biotechnology | 202 | 6.8K | 6 | 4 |
| 62 | Biodiversity conservation | 72 | 6.8K | 212 | 165 |
| 63 | Climate change | 59 | 6.5K | 125 | 122 |
| 63 | Eutrophication | 59 | 6.5K | 121 | 122 |
| 65 | livestock | 236 | 6.5K | 7 | 1 |
| 66 | nucleic acids | 50 | 6.4K | 413 | 222 |
| 67 | Animal husbandry | 222 | 6.4K | 3 | 1 |
| 68 | Quality Control | 164 | 6.3K | 17 | 13 |
| 69 | Human genetics | 34 | 6.3K | 836 | 720 |
| 70 | food handling | 159 | 6.2K | 4 | 1 |
| 71 | Entomology | 489 | 6.2K | 45 | 64 |
| 72 | sanitation | 135 | 6.2K | 117 | 179 |
| 73 | Microorganisms | 165 | 6.0K | 28 | 49 |
| 74 | Materials | 156 | 5.5K | 1117 | 980 |
| 75 | Immunology | 188 | 5.3K | 504 | 705 |
| 76 | Environmental Microbiology | 175 | 5.3K | 7 | 51 |
| 77 | Environmental Toxicology | 234 | 5.2K | 25 | 121 |
| 78 | Renewable Energy Sources | 118 | 5.1K | 125 | 234 |
| 79 | Agronomy | 147 | 5.1K | 38 | 39 |
| 80 | Food Microbiology | 134 | 5.0K | 37 | 54 |
| 81 | Industrial Microbiology | 185 | 5.0K | 28 | 65 |
| 82 | Plant Ecology | 137 | 4.9K | 85 | 113 |
| 83 | Soil ecology | 139 | 4.6K | 10 | 15 |
| 84 | Environmental pollutants | 179 | 4.4K | 39 | 71 |
| 85 | Chromatographic analysis | 207 | 4.3K | 27 | 22 |
| 86 | amino acids | 55 | 4.3K | 9 | 3 |
| 87 | Agricultural Ecology | 91 | 4.2K | 59 | 66 |
| 88 | soil management | 138 | 4.2K | 11 | 16 |
| 89 | viruses | 122 | 4.2K | 154 | 236 |
| 90 | Chromatography | 192 | 4.1K | 21 | 20 |
| 91 | pollutants | 163 | 4.0K | 33 | 75 |
| 92 | Insects | 303 | 4.0K | 15 | 48 |
| 93 | Evolution | 75 | 3.9K | 287 | 275 |
| 94 | Bacteriology | 77 | 3.8K | 312 | 320 |
| 95 | tillage | 111 | 3.8K | 9 | 14 |
| 96 | environmental exposure | 151 | 3.7K | 34 | 55 |
| 97 | Genetic engineering | 165 | 3.7K | 53 | 176 |
| 98 | Agricultural Engineering | 315 | 3.7K | 1 | 4 |
| 99 | Diet | 100 | 3.6K | 253 | 313 |
| 100 | Biosensors | 73 | 3.6K | 77 | 80 |
| 101 | Geography | 138 | 3.6K | 211 | 215 |
| 102 | Immunity | 57 | 3.6K | 438 | 542 |
| 103 | Electrophoresis | 154 | 3.6K | 28 | 42 |
| 104 | energy conservation | 78 | 3.6K | 150 | 152 |
| 105 | Medical Laboratory Science | 101 | 3.5K | 113 | 133 |
| 106 | United States | 158 | 3.5K | 529 | 588 |
| 107 | Reproduction | 153 | 3.5K | 175 | 236 |
| 108 | Spectrum analysis | 170 | 3.4K | 630 | 958 |
| 109 | Hydrology | 156 | 3.4K | 172 | 259 |
| 110 | Developmental Biology | 71 | 3.4K | 397 | 431 |
| 111 | Pesticides | 154 | 3.4K | 4 | 5 |
| 112 | Hazardous waste | 69 | 3.4K | 14 | 15 |
| 113 | Land use | 106 | 3.3K | 14 | 18 |
| 114 | radioactive waste | 67 | 3.3K | 11 | 15 |
| 114 | industrial waste | 67 | 3.3K | 12 | 15 |
| 116 | Bioelectronics | 63 | 3.2K | 62 | 83 |
| 117 | Biocompatible Materials | 100 | 3.2K | 695 | 850 |
| 118 | plant communities | 103 | 3.2K | 36 | 116 |
| 119 | Water | 97 | 3.1K | 298 | 455 |
| 120 | Pharmacology | 110 | 3.1K | 1077 | 1031 |
| 121 | Water pollution | 102 | 3.0K | 284 | 405 |
| 122 | Green Chemistry | 81 | 3.0K | 176 | 226 |
| 123 | Simulation Methods | 73 | 3.0K | 10 | 1 |
| 123 | Host-parasite interactions | 57 | 3.0K | 160 | 232 |
| 125 | Plant breeding | 115 | 3.0K | 27 | 24 |
| 126 | biological evolution | 72 | 3.0K | 338 | 433 |
| 127 | Animal genetics | 169 | 2.9K | 13 | 25 |
| 128 | Physiology | 96 | 2.9K | 801 | 828 |
| 129 | Horticulture | 153 | 2.9K | 12 | 9 |
| 130 | Fertilizers | 45 | 2.8K | 44 | 11 |
| 131 | genome | 62 | 2.7K | 210 | 333 |
| 132 | Drying | 113 | 2.7K | 4 | 6 |
| 133 | Animal Nutrition | 165 | 2.7K | 9 | 13 |
| 134 | Plant tissue culture | 95 | 2.6K | 14 | 14 |
| 135 | Plant cell culture | 83 | 2.6K | 11 | 13 |
| 136 | nanoscience | 48 | 2.6K | 772 | 636 |
| 137 | Technology | 147 | 2.6K | 397 | 534 |
| 138 | Medical Microbiology | 68 | 2.6K | 409 | 468 |
| 139 | Catalysis | 81 | 2.6K | 931 | 981 |
| 140 | Transgenic plants | 97 | 2.5K | 4 | 11 |
| 141 | Geophysics | 51 | 2.5K | 1201 | 862 |
| 142 | Materials Science | 95 | 2.5K | 1013 | 1059 |
| 143 | Environmental Law | 57 | 2.5K | 88 | 134 |
| 144 | Nanostructured Materials | 77 | 2.5K | 695 | 637 |
| 145 | Sustainable Engineering | 67 | 2.5K | 153 | 153 |
| 146 | Clinical Chemistry | 70 | 2.3K | 560 | 554 |
| 147 | Optical materials | 58 | 2.3K | 568 | 523 |
| 148 | soil conservation | 114 | 2.2K | 10 | 15 |
| 149 | Economic History | 114 | 2.2K | 393 | 318 |
| 150 | Parasitology | 119 | 2.2K | 198 | 268 |
| 151 | Pharmaceutical Chemistry | 118 | 2.2K | 567 | 876 |
| 152 | Developing countries | 80 | 2.2K | 230 | 237 |
| 153 | proteins | 103 | 2.2K | 173 | 304 |
| 154 | Recycling | 47 | 2.2K | 26 | 39 |
| 155 | dietary supplements | 80 | 2.1K | 8 | 16 |
| 156 | Surface Chemistry | 75 | 2.1K | 868 | 875 |
| 157 | Environmental Geology | 97 | 2.1K | 52 | 115 |
| 157 | actuators | 73 | 2.1K | 234 | 314 |
| 157 | transducers | 73 | 2.1K | 234 | 314 |
| 160 | food contamination | 133 | 2.1K | 13 | 22 |
| 161 | Nanoparticles | 49 | 2.0K | 293 | 251 |
| 162 | Atmospheric Physics | 36 | 2.0K | 529 | 404 |
| 163 | Embryology | 62 | 2.0K | 311 | 448 |
| 164 | Molecular evolution | 47 | 1.9K | 249 | 290 |
| 165 | Microbial Biotechnology | 72 | 1.9K | 17 | 22 |
| 166 | irrigation | 101 | 1.9K | 9 | 15 |
| 167 | Organic Chemistry | 94 | 1.8K | 571 | 737 |
| 168 | Animal breeding | 99 | 1.8K | 47 | 57 |
| 169 | Computational Biology | 74 | 1.8K | 359 | 563 |
| 170 | Mathematics | 162 | 1.8K | 1109 | 1071 |
| 171 | environmental indicators | 80 | 1.7K | 25 | 61 |
| 172 | Food Preservation | 154 | 1.7K | 5 | 12 |
| 173 | animals | 82 | 1.7K | 75 | 58 |
| 174 | Molecular Genetics | 63 | 1.7K | 292 | 488 |
| 175 | Economic Development | 48 | 1.6K | 277 | 303 |
| 176 | Virulence | 48 | 1.6K | 190 | 358 |
| 177 | Atmospheric Chemistry | 20 | 1.6K | 459 | 329 |
| 178 | Energy Policy | 69 | 1.6K | 345 | 634 |
| 179 | Histology | 68 | 1.5K | 255 | 389 |
| 180 | Radiation effects | 59 | 1.5K | 10 | 28 |
| 181 | Biodiversity | 58 | 1.5K | 393 | 510 |
| 182 | Bacterial infections | 13 | 1.5K | 344 | 197 |
| 183 | Bioinformatics | 58 | 1.5K | 320 | 491 |
| 184 | Environmental Chemistry | 65 | 1.5K | 227 | 595 |
| 185 | Artificial Intelligence | 122 | 1.5K | 373 | 724 |
| 186 | Earth Sciences | 56 | 1.5K | 806 | 798 |
| 187 | Geomorphology | 67 | 1.5K | 135 | 274 |
| 188 | Cancer | 43 | 1.5K | 1266 | 1325 |
| 189 | Soil fertility | 38 | 1.5K | 21 | 41 |
| 190 | Endocrinology | 43 | 1.5K | 995 | 1144 |
| 191 | Insect biochemistry | 65 | 1.4K | 22 | 47 |
| 192 | mycoses | 12 | 1.4K | 366 | 191 |
| 193 | Signal Transduction | 37 | 1.4K | 277 | 324 |
| 194 | Aquaculture | 67 | 1.4K | 213 | 267 |
| 195 | Plant hormones | 40 | 1.4K | 13 | 9 |
| 196 | Sustainable Development | 59 | 1.4K | 160 | 301 |
| 197 | Neural circuitry | 77 | 1.4K | 133 | 321 |
| 198 | Remote Sensing | 63 | 1.4K | 123 | 76 |
| 199 | land degradation | 66 | 1.3K | 9 | 17 |
| 199 | degradation | 66 | 1.3K | 9 | 17 |
| 201 | Agricultural Science | 22 | 1.3K | 51 | 59 |
| 202 | natural products | 57 | 1.3K | 202 | 263 |
| 203 | Polymers | 91 | 1.3K | 1085 | 1407 |
| 204 | Mycology | 37 | 1.3K | 387 | 353 |
| 205 | Bacteria | 11 | 1.3K | 146 | 65 |
| 206 | Fluid Mechanics | 40 | 1.3K | 450 | 324 |
| 207 | Recombinant DNA | 92 | 1.2K | 52 | 252 |
| 208 | Economics | 96 | 1.2K | 851 | 1005 |
| 209 | cell physiology | 27 | 1.2K | 490 | 545 |
| 210 | Proteomics | 54 | 1.2K | 82 | 216 |
| 211 | Analytical Biochemistry | 73 | 1.2K | 117 | 302 |
| 212 | biofuels | 32 | 1.2K | 25 | 48 |
| 213 | Pharmaceutical Technology | 43 | 1.1K | 257 | 302 |
| 214 | Biogeochemistry | 28 | 1.1K | 369 | 421 |
| 215 | Cell differentiation | 45 | 1.1K | 437 | 804 |
| 216 | Molecular cloning | 80 | 1.1K | 52 | 250 |
| 217 | land tenure | 12 | 1.1K | 8 | 3 |
| 217 | Land reform | 12 | 1.1K | 8 | 3 |
| 219 | polymerization | 75 | 1.1K | 992 | 1311 |
| 220 | Genetic recombination | 78 | 1.1K | 54 | 255 |
| 221 | Hydrodynamics | 60 | 1.0K | 33 | 95 |
| 222 | Parasitic Diseases | 56 | 1.0K | 332 | 550 |
| 223 | catalytic activity | 36 | 1.0K | 79 | 118 |
| 224 | Vaccines | 52 | 1.0K | 347 | 485 |
| 225 | animal diseases | 35 | 1.0K | 68 | 40 |
| 226 | Cell death | 34 | 1.0K | 300 | 478 |
| 227 | Molecular Spectroscopy | 60 | 994 | 192 | 273 |
| 228 | Engineering | 113 | 981 | 481 | 856 |
| 229 | Systems Biology | 53 | 974 | 187 | 204 |
| 230 | Animal Biotechnology | 49 | 963 | 5 | 5 |
| 231 | Emerging infectious diseases | 21 | 952 | 39 | 28 |
| 232 | Animal Physiology | 28 | 931 | 20 | 20 |
| 232 | Natural selection | 28 | 931 | 20 | 20 |
| 232 | Bioorganic chemistry | 44 | 931 | 779 | 976 |
| 232 | genetic selection | 28 | 931 | 20 | 20 |
| 236 | soil pollution | 50 | 929 | 13 | 22 |
| 237 | ecosystem | 30 | 922 | 351 | 465 |
| 238 | Zoology | 69 | 920 | 458 | 617 |
| 239 | isomerism | 54 | 916 | 5 | 14 |
| 239 | Chirality | 54 | 916 | 5 | 14 |
| 241 | Fungi | 21 | 914 | 358 | 302 |
| 242 | enzymes | 36 | 901 | 319 | 404 |
| 243 | world | 22 | 891 | 185 | 210 |
| 244 | economic policy | 68 | 890 | 349 | 419 |
| 245 | Immunochemistry | 67 | 888 | 52 | 137 |
| 246 | Agricultural systems | 41 | 885 | 26 | 59 |
| 247 | Data Mining | 54 | 877 | 120 | 373 |
| 248 | sustainability | 16 | 874 | 220 | 192 |
| 249 | fuel cells | 8 | 870 | 929 | 496 |
| 250 | Japan | 41 | 869 | 457 | 280 |
| 251 | embryonic development | 32 | 861 | 34 | 48 |
| 252 | data collection | 49 | 857 | 54 | 259 |
| 253 | city planning | 14 | 850 | 790 | 308 |
| 254 | free radicals | 25 | 845 | 459 | 571 |
| 255 | Molecular structure | 57 | 838 | 398 | 801 |
| 256 | immunoassay | 59 | 821 | 2 | 2 |
| 257 | biological factors | 32 | 818 | 450 | 495 |
| 258 | Genes | 46 | 807 | 120 | 189 |
| 259 | Nanostructures | 25 | 806 | 699 | 764 |
| 260 | DNA polymerases | 13 | 804 | 172 | 275 |
| 261 | Statistical physics | 37 | 796 | 1461 | 1352 |
| 262 | Proteome | 28 | 794 | 293 | 448 |
| 263 | Mathematical Physics | 50 | 792 | 860 | 885 |
| 264 | Immunotherapy | 30 | 783 | 552 | 843 |
| 265 | Ecological Engineering | 24 | 779 | 66 | 97 |
| 266 | Developmental Immunology | 34 | 776 | 85 | 107 |
| 267 | Bioremediation | 11 | 772 | 272 | 86 |
| 268 | Pharmacognosy | 28 | 766 | 540 | 613 |
| 269 | Hydraulic Engineering | 31 | 764 | 310 | 279 |
| 269 | Cytogenetics | 29 | 764 | 473 | 803 |
| 271 | Regional Planning | 4 | 753 | 1625 | 402 |
| 272 | Meteorology | 39 | 752 | 692 | 1061 |
| 273 | miniaturization | 15 | 747 | 938 | 884 |
| 274 | Development | 28 | 742 | 166 | 254 |
| 275 | Information Science | 38 | 724 | 534 | 766 |
| 276 | Nervous system | 25 | 720 | 981 | 1210 |
| 277 | Urban Areas | 1 | 717 | 548 | 13 |
| 278 | Mechanical Engineering | 73 | 716 | 383 | 500 |
| 279 | Climatology | 46 | 708 | 441 | 744 |
| 279 | Molecular ecology | 32 | 708 | 280 | 557 |
| 281 | Microbial Genetics | 29 | 703 | 39 | 82 |
| 282 | Neurology | 19 | 702 | 3014 | 2822 |
| 283 | gene therapy | 12 | 696 | 609 | 470 |
| 284 | drainage | 54 | 677 | 22 | 35 |
| 285 | United Kingdom | 17 | 675 | 735 | 703 |
| 286 | Water quality management | 43 | 674 | 293 | 420 |
| 287 | Nanobiotechnology | 33 | 662 | 42 | 78 |
| 288 | water supply | 35 | 660 | 231 | 385 |
| 289 | Pharmacy | 33 | 655 | 644 | 742 |
| 290 | coal | 20 | 647 | 592 | 624 |
| 291 | Parasites | 42 | 643 | 281 | 426 |
| 292 | phytopathogenic bacteria | 24 | 641 | 43 | 87 |
| 293 | Ultrasonics | 17 | 640 | 339 | 295 |
| 294 | Anatomy | 26 | 631 | 748 | 826 |
| 295 | Peasants | 15 | 625 | 11 | 11 |
| 296 | Lipids | 27 | 617 | 348 | 552 |
| 297 | Public Health | 16 | 616 | 3405 | 2585 |
| 298 | Natural resources | 22 | 615 | 183 | 238 |
| 299 | Population | 26 | 610 | 249 | 242 |
| 300 | Sonochemistry | 16 | 604 | 123 | 178 |
| 301 | Genetic regulation | 27 | 603 | 300 | 657 |
| 302 | Molecular Microbiology | 21 | 599 | 323 | 528 |
| 303 | Rural Development | 10 | 598 | 232 | 97 |
| 304 | Therapeutics | 7 | 588 | 1479 | 872 |
| 305 | Medical Technology | 7 | 587 | 1377 | 480 |
| 306 | global environmental change | 23 | 578 | 188 | 357 |
| 307 | energy resources | 16 | 570 | 556 | 771 |
| 308 | Metabolic diseases | 13 | 564 | 1537 | 1535 |
| 309 | Wildlife conservation | 5 | 544 | 1126 | 594 |
| 310 | Groundwater | 23 | 542 | 184 | 157 |
| 311 | Serology | 19 | 541 | 81 | 83 |
| 312 | Electrochemistry | 25 | 539 | 1904 | 1742 |
| 313 | Veterinary Immunology | 31 | 532 | 68 | 90 |
| 314 | plant viruses | 26 | 528 | 25 | 29 |
| 315 | Urban Planning | 19 | 527 | 77 | 83 |
| 315 | community development | 19 | 527 | 133 | 79 |
| 315 | Housing | 19 | 527 | 92 | 98 |
| 318 | Surface-Active Agents | 19 | 523 | 258 | 365 |
| 318 | Surface properties | 19 | 523 | 296 | 415 |
| 320 | Gene expression regulation | 26 | 522 | 232 | 499 |
| 321 | Water chemistry | 5 | 518 | 190 | 25 |
| 322 | Phylogeny | 17 | 515 | 324 | 399 |
| 323 | Water quality | 4 | 504 | 152 | 16 |
| 324 | Flood control | 43 | 501 | 8 | 10 |
| 325 | natural disasters | 16 | 499 | 462 | 425 |
| 326 | Cardiovascular system | 1 | 497 | 2914 | 1196 |
| 327 | cytokines | 22 | 495 | 375 | 528 |
| 328 | Herbal medicine | 13 | 493 | 222 | 174 |
| 329 | Toxins | 17 | 488 | 253 | 218 |
| 330 | Metabolism | 26 | 487 | 1268 | 1838 |
| 330 | Growth | 20 | 487 | 535 | 841 |
| 332 | Hormones | 20 | 486 | 519 | 651 |
| 333 | Biological Systems | 24 | 483 | 77 | 120 |
| 334 | Electrical Engineering | 38 | 481 | 1193 | 883 |
| 335 | Food Policy | 8 | 477 | 178 | 118 |
| 335 | agricultural policy | 8 | 477 | 114 | 90 |
| 337 | Oxidative stress | 25 | 474 | 217 | 525 |
| 338 | hazard mitigation | 15 | 473 | 294 | 251 |
| 338 | child abuse | 5 | 473 | 700 | 356 |
| 340 | venom | 15 | 469 | 258 | 207 |
| 341 | Microelectronics | 3 | 466 | 2187 | 1015 |
| 342 | Fractals | 17 | 453 | 391 | 326 |
| 343 | Photonics | 16 | 446 | 892 | 1016 |
| 343 | transgenic organisms | 32 | 446 | 5 | 54 |
| 343 | transgenic animals | 32 | 446 | 4 | 49 |
| 343 | Diagnostic microbiology | 8 | 446 | 1009 | 1041 |
| 347 | Mass Spectrometry | 23 | 443 | 444 | 530 |
| 348 | Medicinal plants | 21 | 442 | 435 | 664 |
| 349 | Immunopharmacology | 19 | 439 | 289 | 322 |
| 349 | Cell metabolism | 8 | 439 | 392 | 707 |
| 351 | bioclimatology | 30 | 436 | 107 | 239 |
| 352 | Oxidation-reduction | 10 | 429 | 432 | 554 |
| 353 | System analysis | 33 | 428 | 690 | 944 |
| 354 | infection | 16 | 426 | 817 | 928 |
| 355 | peptides | 26 | 424 | 123 | 155 |
| 356 | heredity | 42 | 423 | 60 | 180 |
| 357 | commerce | 35 | 420 | 297 | 642 |
| 357 | food industry | 67 | 420 | 10 | 38 |
| 357 | Economic Assistance | 16 | 420 | 243 | 356 |
| 360 | Membranes | 16 | 418 | 895 | 1121 |
| 361 | Image Processing | 38 | 412 | 445 | 944 |
| 362 | Hematology | 5 | 408 | 3323 | 1935 |
| 362 | econometric models | 14 | 408 | 132 | 129 |
| 364 | Veterinary Pathology | 30 | 404 | 43 | 45 |
| 365 | Solitons | 12 | 401 | 456 | 311 |
| 365 | Chaos | 12 | 401 | 456 | 311 |
| 367 | DNS | 27 | 400 | 34 | 122 |
| 368 | Biomass | 13 | 398 | 183 | 306 |
| 369 | Homeostasis | 5 | 397 | 385 | 717 |
| 370 | Immune system | 7 | 396 | 847 | 973 |
| 371 | Engineering Mathematics | 61 | 394 | 371 | 726 |
| 372 | brewing | 6 | 393 | 157 | 47 |
| 372 | cell interaction | 10 | 393 | 694 | 569 |
| 374 | Allergy | 3 | 389 | 1531 | 1072 |
| 375 | Ocean Engineering | 28 | 386 | 540 | 775 |
| 376 | Information Systems | 10 | 382 | 776 | 535 |
| 376 | Evolutionary Genetics | 15 | 382 | 138 | 170 |
| 376 | Molecular Epidemiology | 15 | 382 | 138 | 170 |
| 379 | protein | 29 | 377 | 339 | 669 |
| 380 | Grasslands | 32 | 375 | 5 | 7 |
| 381 | Fermentation | 5 | 374 | 223 | 64 |
| 382 | pigments | 9 | 370 | 450 | 274 |
| 383 | Enzyme | 13 | 360 | 148 | 221 |
| 384 | Cell cycle | 17 | 359 | 59 | 79 |
| 384 | cell proliferation | 17 | 359 | 68 | 85 |
| 386 | Energy Conversion | 4 | 354 | 1282 | 969 |
| 386 | Antioxidants | 5 | 354 | 674 | 574 |
| 388 | Arthropods | 24 | 353 | 14 | 16 |
| 389 | Pediatric Neurology | 1 | 350 | 1998 | 1021 |
| 389 | Stochastic Processes | 20 | 350 | 249 | 223 |
| 391 | Chromosomes | 10 | 344 | 596 | 599 |
| 392 | Stem cells | 22 | 343 | 630 | 1049 |
| 393 | Production Management | 3 | 340 | 1253 | 780 |
| 394 | atmosphere | 9 | 336 | 461 | 350 |
| 395 | Infections | 11 | 335 | 685 | 902 |
| 396 | Cellular senescence | 18 | 333 | 154 | 375 |
| 397 | Tropical Medicine | 9 | 331 | 1303 | 760 |
| 398 | Chemical industry | 15 | 328 | 596 | 425 |
| 399 | Ethnology | 9 | 325 | 964 | 434 |
| 400 | Geographic information systems | 28 | 324 | 180 | 249 |
| 401 | Chemical Ecology | 9 | 320 | 302 | 295 |
| 401 | pheromones | 9 | 320 | 258 | 271 |
| 403 | Chemical analysis | 13 | 317 | 568 | 598 |
| 403 | disease vectors | 27 | 317 | 201 | 439 |
| 405 | particles | 14 | 313 | 323 | 317 |
| 405 | Foodborne diseases | 12 | 313 | 84 | 86 |
| 407 | Genetic therapy | 12 | 310 | 704 | 904 |
| 408 | Biodegradation | 10 | 304 | 268 | 323 |
| 408 | Asia | 45 | 304 | 465 | 928 |
| 410 | gastrointestinal tract | 9 | 297 | 119 | 133 |
| 411 | Industry | 5 | 296 | 86 | 116 |
| 412 | drug toxicity | 10 | 294 | 116 | 138 |
| 413 | Biogeography | 12 | 292 | 545 | 848 |
| 414 | Plastics | 12 | 290 | 995 | 777 |
| 415 | Fuzzy systems | 27 | 286 | 324 | 501 |
| 416 | DNA | 25 | 285 | 45 | 169 |
| 417 | Climate | 13 | 284 | 209 | 324 |
| 418 | Optics | 108 | 282 | 1065 | 2435 |
| 419 | Inflammation | 5 | 280 | 1197 | 834 |
| 420 | Medical genetics | 8 | 279 | 2313 | 2513 |
| 421 | Numerical Analysis | 13 | 278 | 1390 | 1067 |
| 421 | Population Genetics | 17 | 278 | 562 | 901 |
| 423 | Egypt | 30 | 276 | 40 | 129 |
| 424 | Photochemistry | 16 | 275 | 797 | 1027 |
| 425 | Neurochemistry | 10 | 270 | 1674 | 1798 |
| 425 | biological invasions | 1 | 270 | 1235 | 320 |
| 427 | Entropy | 12 | 269 | 429 | 271 |
| 428 | Emulsions | 11 | 267 | 114 | 57 |
| 429 | Planets | 6 | 265 | 1398 | 1331 |
| 430 | Liver diseases | 6 | 264 | 1328 | 1406 |
| 431 | Neurons | 2 | 262 | 940 | 1046 |
| 432 | Intelligent Control Systems | 22 | 261 | 203 | 254 |
| 433 | Invertebrates | 10 | 258 | 299 | 272 |
| 433 | toxicity testing | 19 | 258 | 151 | 349 |
| 435 | economic indicators | 24 | 257 | 13 | 16 |
| 436 | Geochemistry | 13 | 255 | 1251 | 1475 |
| 437 | Structural dynamics | 9 | 254 | 684 | 711 |
| 437 | Globalization | 7 | 254 | 326 | 202 |
| 437 | Cell communication | 8 | 254 | 476 | 465 |
| 440 | Fishery management | 14 | 252 | 371 | 407 |
| 441 | mathematical analysis | 20 | 251 | 1288 | 1130 |
| 442 | Antibacterial agents | 12 | 249 | 263 | 433 |
| 443 | foods | 13 | 246 | 38 | 39 |
| 444 | Oncology | 7 | 242 | 1888 | 2319 |
| 444 | Australia | 24 | 242 | 592 | 833 |
| 446 | gene transfer | 9 | 232 | 86 | 114 |
| 446 | genetic transformation | 9 | 232 | 86 | 114 |
| 448 | Marine Biology | 15 | 231 | 1478 | 1833 |
| 449 | Radiation | 21 | 229 | 881 | 1257 |
| 450 | Luminescence | 16 | 226 | 501 | 613 |
| 451 | Physical organic chemistry | 14 | 221 | 693 | 848 |
| 451 | crops | 19 | 221 | 15 | 20 |
| 453 | weather | 11 | 219 | 208 | 283 |
| 454 | Nanochemistry | 16 | 218 | 402 | 460 |
| 455 | Measurement | 25 | 215 | 288 | 647 |
| 456 | Cybernetics | 17 | 214 | 518 | 785 |
| 456 | Clinical Immunology | 10 | 214 | 849 | 950 |
| 458 | Bioinorganic chemistry | 5 | 211 | 1324 | 957 |
| 459 | infrared radiation | 10 | 210 | 279 | 169 |
| 459 | Oncogenes | 9 | 210 | 840 | 1378 |
| 459 | environmental issues | 5 | 210 | 325 | 242 |
| 462 | Fluid Dynamics | 10 | 209 | 740 | 723 |
| 463 | Psychiatry | 4 | 208 | 4933 | 3509 |
| 464 | Europe | 9 | 205 | 2358 | 1907 |
| 464 | Fisheries | 10 | 205 | 1122 | 1157 |
| 466 | Dynamics | 27 | 204 | 540 | 892 |
| 466 | Cellulose | 8 | 204 | 321 | 382 |
| 468 | phenomics | 11 | 203 | 7 | 15 |
| 469 | Cosmochemistry | 7 | 202 | 694 | 709 |
| 470 | Ceramics | 9 | 200 | 1123 | 976 |
| 470 | mass transfer | 9 | 200 | 1137 | 1209 |
| 470 | biological agents | 18 | 200 | 115 | 39 |
| 473 | Electronics | 18 | 199 | 1910 | 2120 |
| 473 | Obesity | 6 | 199 | 1819 | 1828 |
| 475 | Histochemistry | 19 | 198 | 405 | 713 |
| 476 | Raman spectroscopy | 13 | 196 | 314 | 475 |
| 476 | North America | 7 | 196 | 589 | 391 |
| 478 | Edible plants | 8 | 194 | 60 | 103 |
| 478 | Glass | 7 | 194 | 899 | 877 |
| 478 | pottery | 7 | 194 | 864 | 865 |
| 481 | Computer Engineering | 8 | 193 | 395 | 244 |
| 482 | Agricultural Biotechnology | 37 | 192 | 13 | 22 |
| 483 | Marine Pollution | 10 | 191 | 701 | 1029 |
| 484 | population geography | 2 | 190 | 572 | 173 |
| 485 | Developmental Genetics | 4 | 189 | 582 | 704 |
| 486 | Geodesy | 12 | 185 | 280 | 399 |
| 487 | Quality of life | 6 | 183 | 1257 | 1215 |
| 488 | Crop Science | 14 | 182 | 55 | 56 |
| 488 | drug resistance | 15 | 182 | 150 | 454 |
| 490 | micromechanics | 4 | 181 | 618 | 402 |
| 490 | baking | 14 | 181 | 61 | 118 |
| 492 | Forecasting | 7 | 178 | 335 | 318 |
| 492 | Immunotoxicology | 7 | 178 | 137 | 82 |
| 494 | Phytochemistry | 6 | 176 | 127 | 124 |
| 494 | Phytoremediation | 6 | 176 | 127 | 124 |
| 494 | environmental remediation | 6 | 176 | 169 | 149 |
| 494 | Bioreactors | 6 | 176 | 127 | 124 |
| 498 | cloning | 7 | 173 | 498 | 868 |
| 499 | Paleontology | 26 | 172 | 478 | 856 |
| 499 | Landscape Ecology | 7 | 172 | 299 | 384 |
| 499 | Combinatorial chemistry | 6 | 172 | 674 | 785 |
| 499 | water resources | 10 | 172 | 154 | 181 |
| 503 | Comparative Physiology | 3 | 170 | 964 | 618 |
| 504 | Protein engineering | 3 | 169 | 289 | 197 |
| 504 | molecular design | 3 | 169 | 332 | 206 |
| 506 | Energy Consumption | 5 | 168 | 122 | 88 |
| 506 | Crystallography | 28 | 168 | 586 | 815 |
| 506 | X-ray crystallography | 26 | 168 | 143 | 323 |
| 506 | drugs | 15 | 168 | 1123 | 1762 |
| 510 | Africa | 6 | 167 | 1368 | 702 |
| 510 | herbicides | 6 | 167 | 211 | 159 |
| 512 | Freeze-Drying | 14 | 166 | 137 | 213 |
| 512 | Hypothermia | 14 | 166 | 137 | 213 |
| 512 | Freeze Drying | 14 | 166 | 137 | 213 |
| 515 | Photography | 94 | 165 | 495 | 720 |
| 515 | Drug design | 10 | 165 | 1021 | 1436 |
| 517 | Computational Intelligence | 19 | 164 | 174 | 386 |
| 517 | Microscopy | 9 | 164 | 1099 | 963 |
| 519 | Eastern Europe | 15 | 162 | 320 | 260 |
| 520 | Zeolites | 6 | 161 | 717 | 842 |
| 520 | RNA | 12 | 161 | 252 | 520 |
| 522 | Cartography | 10 | 160 | 228 | 127 |
| 522 | Technological Innovations | 10 | 160 | 473 | 689 |
| 524 | Physical Geography | 13 | 159 | 198 | 319 |
| 525 | Automation | 11 | 158 | 1120 | 1388 |
| 525 | Multimedia Systems | 17 | 158 | 631 | 841 |
| 527 | Sociology | 17 | 156 | 1385 | 2174 |
| 527 | Hydrometeorology | 6 | 156 | 161 | 272 |
| 527 | Viticulture | 9 | 156 | 46 | 66 |
| 530 | viral genetics | 3 | 155 | 414 | 603 |
| 531 | Organic Geochemistry | 5 | 154 | 318 | 401 |
| 532 | Algorithms | 15 | 152 | 216 | 387 |
| 533 | Drug delivery systems | 10 | 151 | 913 | 1485 |
| 533 | Mountains | 14 | 151 | 85 | 107 |
| 533 | biopolymers | 6 | 151 | 1018 | 1015 |
| 536 | Geology | 20 | 149 | 1555 | 2390 |
| 536 | Building Materials | 9 | 149 | 1193 | 1685 |
| 538 | Waste management | 16 | 148 | 526 | 928 |
| 538 | compost | 11 | 148 | 1 | 4 |
| 538 | fertility | 7 | 148 | 919 | 1156 |
| 541 | cell adhesion molecules | 3 | 147 | 606 | 451 |
| 541 | finance | 19 | 147 | 992 | 1512 |
| 543 | Cytoskeleton | 2 | 146 | 406 | 237 |
| 543 | Photobiology | 9 | 146 | 872 | 1142 |
| 543 | cell movement | 2 | 146 | 376 | 263 |
| 546 | Industrial Engineering | 9 | 144 | 1306 | 1531 |
| 546 | Biochemical Genetics | 15 | 144 | 83 | 129 |
| 546 | Mental Disorders | 3 | 144 | 3929 | 3021 |
| 546 | Forest genetics | 10 | 144 | 120 | 138 |
| 550 | Protozoa | 7 | 143 | 269 | 357 |
| 551 | Minerals | 4 | 141 | 771 | 522 |
| 552 | Pathology | 6 | 140 | 2208 | 2478 |
| 552 | Environmental Geochemistry | 3 | 140 | 645 | 268 |
| 552 | Reproductive toxicology | 4 | 140 | 457 | 404 |
| 552 | Infertility | 6 | 140 | 948 | 1121 |
| 556 | preimplantation genetic diagnosis | 4 | 134 | 469 | 318 |
| 556 | embryo transfer | 4 | 134 | 496 | 336 |
| 556 | Aging | 6 | 134 | 2643 | 2453 |
| 559 | body temperature | 7 | 133 | 260 | 279 |
| 560 | Archaeology | 2 | 132 | 1942 | 902 |
| 560 | Mechatronics | 13 | 132 | 248 | 445 |
| 560 | Energy Storage | 5 | 132 | 1198 | 1060 |
| 560 | Erosion | 8 | 132 | 23 | 45 |
| 560 | Sites | 2 | 132 | 785 | 580 |
| 565 | Computer Graphics | 13 | 131 | 858 | 1273 |
| 566 | rehabilitation | 5 | 130 | 2159 | 1979 |
| 567 | Mycotoxins | 6 | 129 | 99 | 90 |
| 567 | Light | 7 | 129 | 783 | 1286 |
| 569 | Cognitive Science | 9 | 128 | 913 | 1375 |
| 569 | Mental illness | 2 | 128 | 3117 | 2294 |
| 569 | synthesis | 15 | 128 | 386 | 558 |
| 572 | Heat Exchangers | 11 | 127 | 638 | 1193 |
| 573 | Urban Policy | 8 | 126 | 456 | 669 |
| 574 | Statistics | 10 | 125 | 1859 | 1979 |
| 574 | health planning | 10 | 125 | 1340 | 1756 |
| 576 | Critical Care | 2 | 123 | 2508 | 2141 |
| 576 | Critical Care Medicine | 2 | 123 | 2279 | 2079 |
| 576 | Infrared spectroscopy | 10 | 123 | 83 | 210 |
| 579 | Liquid chromatography | 8 | 122 | 285 | 237 |
| 580 | Biogeochemical cycles | 1 | 121 | 842 | 690 |
| 581 | Rheology | 10 | 119 | 318 | 493 |
| 581 | Food texture | 10 | 119 | 52 | 117 |
| 581 | Organic farming | 3 | 119 | 33 | 20 |
| 581 | management | 11 | 119 | 2161 | 2969 |
| 585 | Computational Linguistics | 4 | 118 | 527 | 202 |
| 585 | aquatic insects | 21 | 118 | 6 | 11 |
| 587 | India | 20 | 117 | 515 | 590 |
| 588 | Food Safety | 17 | 116 | 27 | 109 |
| 588 | Respiratory Infections | 3 | 116 | 418 | 277 |
| 588 | Food Security | 8 | 116 | 63 | 176 |
| 588 | biomedicine | 8 | 116 | 474 | 767 |
| 588 | Influenza | 3 | 116 | 320 | 207 |
| 593 | Genetic translocation | 7 | 115 | 85 | 175 |
| 593 | plasmids | 7 | 115 | 85 | 175 |
| 595 | Civil Engineering | 9 | 112 | 1354 | 1043 |
| 596 | starch | 18 | 111 | 81 | 281 |
| 596 | carcinogens | 8 | 111 | 653 | 1213 |
| 598 | Bioenergetics | 4 | 109 | 885 | 977 |
| 598 | drug evaluation | 6 | 109 | 1136 | 1269 |
| 600 | Computer Science | 15 | 108 | 991 | 1533 |
| 600 | Taste | 3 | 108 | 325 | 231 |
| 600 | flavor | 3 | 108 | 201 | 159 |
| 600 | smell | 3 | 108 | 325 | 231 |
| 604 | air quality management | 7 | 105 | 272 | 504 |
| 605 | educational innovations | 2 | 103 | 748 | 388 |
| 606 | Magnetic Materials | 7 | 102 | 1174 | 1430 |
| 606 | glycoproteins | 2 | 102 | 732 | 566 |
| 606 | Glycoconjugates | 2 | 102 | 732 | 566 |
| 606 | glycolipids | 2 | 102 | 732 | 566 |
| 610 | Mitochondrial DNA | 8 | 101 | 59 | 26 |
| 611 | Social Sciences | 20 | 100 | 1664 | 2517 |
| 611 | Telecommunication Systems | 8 | 100 | 1134 | 1273 |
| 611 | Production Engineering | 9 | 100 | 1347 | 1574 |
| 611 | Educational Technology | 1 | 100 | 3093 | 1222 |
| 611 | Composite Materials | 5 | 100 | 2601 | 2977 |
| 611 | Autism | 1 | 100 | 1413 | 831 |
| 617 | Bibliometrics | 2 | 99 | 193 | 143 |
| 617 | Soft Condensed Matter | 4 | 99 | 1107 | 1119 |
| 619 | Development Economics | 9 | 98 | 190 | 420 |
| 619 | Ichthyology | 6 | 98 | 340 | 272 |
| 619 | Decision making | 8 | 98 | 967 | 1351 |
| 619 | Fish | 6 | 98 | 251 | 238 |
| 623 | Systems Analysis | 4 | 97 | 1122 | 943 |
| 623 | mutation | 3 | 97 | 787 | 857 |
| 623 | Phylogenetics | 2 | 97 | 156 | 60 |
| 626 | Ecosystem management | 7 | 96 | 456 | 736 |
| 626 | Computational Fluid Dynamics | 14 | 96 | 242 | 595 |
| 626 | forest policy | 7 | 96 | 212 | 319 |
| 626 | Condensed Matter | 14 | 96 | 2304 | 3060 |
| 626 | atmospheric models | 3 | 96 | 827 | 822 |
| 631 | Fluorescence | 5 | 95 | 331 | 272 |
| 632 | Food Science | 33 | 94 | 1 | 58 |
| 632 | Robotics | 17 | 94 | 720 | 1566 |
| 632 | Energy metabolism | 2 | 94 | 898 | 766 |
| 632 | Probiotics | 5 | 94 | 81 | 114 |
| 632 | cell membrane | 2 | 94 | 875 | 744 |
| 637 | Photogrammetry | 11 | 93 | 387 | 269 |
| 637 | Iran | 7 | 93 | 88 | 31 |
| 639 | Epidemiology | 6 | 91 | 3670 | 4349 |
| 639 | Synthetic biology | 5 | 91 | 269 | 325 |
| 639 | Carbon | 6 | 91 | 1143 | 1839 |
| 639 | supercritical fluids | 2 | 91 | 566 | 462 |
| 639 | Psychophysiology | 4 | 91 | 3025 | 3280 |
| 644 | Mineral resources | 2 | 90 | 878 | 609 |
| 644 | urban forestry | 2 | 90 | 404 | 220 |
| 646 | Public Policy | 6 | 89 | 1460 | 1917 |
| 646 | drug development | 7 | 89 | 788 | 1863 |
| 648 | Psychology | 16 | 88 | 2815 | 5114 |
| 648 | curriculum evaluation | 1 | 88 | 712 | 277 |
| 650 | Human Geography | 6 | 87 | 863 | 911 |
| 650 | Diagnostic Imaging | 13 | 87 | 1172 | 2142 |
| 652 | Animal health | 7 | 86 | 314 | 258 |
| 653 | computer networks | 12 | 85 | 1407 | 2242 |
| 653 | antibiotics | 5 | 85 | 325 | 427 |
| 655 | Information Technology | 10 | 83 | 1581 | 2124 |
| 655 | Pediatrics | 1 | 83 | 5084 | 3398 |
| 655 | Granular materials | 4 | 83 | 538 | 627 |
| 655 | investigative techniques | 1 | 83 | 345 | 174 |
| 659 | Oceanography | 9 | 81 | 1348 | 2006 |
| 659 | Signal Processing | 21 | 81 | 723 | 1845 |
| 659 | Corporate Social Responsibility | 3 | 81 | 300 | 443 |
| 659 | environmental auditing | 3 | 81 | 313 | 445 |
| 659 | energy development | 13 | 81 | 280 | 1078 |
| 659 | World Wide Web | 1 | 81 | 1022 | 270 |
| 659 | bees | 7 | 81 | 250 | 371 |
| 666 | Psychopharmacology | 1 | 80 | 3027 | 2087 |
| 666 | marketing | 2 | 80 | 2521 | 1908 |
| 666 | Safety management | 15 | 80 | 102 | 382 |
| 669 | Manufacturing Processes | 10 | 78 | 1549 | 2401 |
| 669 | Alternative Medicine | 6 | 78 | 1540 | 2094 |
| 669 | complementary therapies | 6 | 78 | 1697 | 2177 |
| 672 | Solid State Physics | 9 | 77 | 2991 | 3669 |
| 672 | Nutrition physiology | 2 | 77 | 1171 | 940 |
| 672 | Food inspection | 9 | 77 | 2 | 23 |
| 672 | food quality | 9 | 77 | 2 | 23 |
| 672 | plant oils | 4 | 77 | 255 | 213 |
| 677 | Ergonomics | 2 | 76 | 1525 | 989 |
| 677 | Municipal Engineering | 5 | 76 | 251 | 367 |
| 677 | Forest Ecology | 8 | 76 | 750 | 1335 |
| 677 | Gastrointestinal diseases | 3 | 76 | 927 | 711 |
| 681 | Informatics | 5 | 75 | 790 | 986 |
| 682 | Nuclear Physics | 9 | 74 | 3322 | 3888 |
| 682 | Economic Thought | 3 | 74 | 360 | 500 |
| 682 | economic conditions | 3 | 74 | 760 | 608 |
| 682 | Yeast | 4 | 74 | 428 | 597 |
| 686 | Physical Chemistry | 3 | 73 | 2733 | 2612 |
| 686 | Crystallization | 20 | 73 | 124 | 390 |
| 686 | sex differences | 2 | 73 | 206 | 182 |
| 689 | Genetic Toxicology | 2 | 72 | 719 | 799 |
| 689 | Sedimentology | 3 | 72 | 717 | 766 |
| 689 | Fracture mechanics | 7 | 72 | 1103 | 1502 |
| 689 | Organometallic chemistry | 6 | 72 | 1713 | 1851 |
| 689 | Product life cycle | 2 | 72 | 480 | 448 |
| 689 | green products | 2 | 72 | 428 | 438 |
| 695 | Hypertension | 9 | 71 | 1226 | 2547 |
| 695 | Pharmacokinetics | 5 | 71 | 868 | 1221 |
| 695 | Mites | 8 | 71 | 240 | 358 |
| 698 | Smart Materials | 8 | 69 | 590 | 1028 |
| 698 | Pest control | 6 | 69 | 85 | 122 |
| 698 | International Finance | 11 | 69 | 931 | 1645 |
| 701 | greenhouse effect | 3 | 68 | 55 | 91 |
| 701 | Lipid metabolism | 4 | 68 | 379 | 702 |
| 701 | Water Purification | 9 | 68 | 662 | 1243 |
| 701 | East Asia | 6 | 68 | 433 | 414 |
| 701 | machinery | 8 | 68 | 490 | 809 |
| 701 | Carbon dioxide | 3 | 68 | 55 | 91 |
| 701 | Lipid | 4 | 68 | 379 | 707 |
| 708 | Intelligent Transportation Systems | 10 | 67 | 360 | 753 |
| 708 | Engineering Geology | 5 | 67 | 1305 | 1678 |
| 710 | Cell survival | 2 | 66 | 323 | 353 |
| 710 | molecular chaperones | 2 | 66 | 384 | 354 |
| 712 | Systems Engineering | 19 | 65 | 826 | 2064 |
| 712 | Public Administration | 8 | 65 | 966 | 1206 |
| 712 | Solid State Chemistry | 5 | 65 | 2414 | 2697 |
| 712 | vibration | 7 | 65 | 977 | 1381 |
| 712 | Interferons | 4 | 65 | 259 | 395 |
| 712 | Malaria | 2 | 65 | 1117 | 949 |
| 712 | Mechanics | 8 | 65 | 966 | 1225 |
| 712 | Medical innovations | 4 | 65 | 1125 | 2264 |
| 712 | Brain | 2 | 65 | 3650 | 3468 |
| 712 | Communication | 7 | 65 | 1549 | 1977 |
| 712 | aromatic plants | 7 | 65 | 112 | 105 |
| 712 | Cytokine | 4 | 65 | 384 | 748 |
| 724 | Social Change | 3 | 64 | 1157 | 1519 |
| 724 | bioluminescence | 7 | 64 | 160 | 245 |
| 724 | Carbohydrates | 2 | 64 | 694 | 714 |
| 727 | Solar Energy | 5 | 62 | 1653 | 2458 |
| 727 | Detectors | 12 | 62 | 362 | 680 |
| 727 | Vegetation | 5 | 62 | 62 | 51 |
| 730 | Oligosaccharide | 1 | 61 | 691 | 573 |
| 730 | Bacterial diseases | 8 | 61 | 78 | 362 |
| 732 | Nutritional support | 1 | 60 | 378 | 318 |
| 732 | Electrochemical Analysis | 6 | 60 | 1325 | 1844 |
| 734 | Education | 7 | 59 | 3235 | 3441 |
| 734 | solar power | 3 | 59 | 1010 | 1409 |
| 734 | Evidence-Based Medicine | 5 | 59 | 1114 | 1561 |
| 734 | Telecommunication | 7 | 59 | 1844 | 2150 |
| 734 | solar cells | 3 | 59 | 1118 | 1532 |
| 739 | Sleep Disorders | 1 | 58 | 3212 | 2057 |
| 739 | Sleep | 1 | 58 | 3232 | 2067 |
| 741 | Electromagnetism | 4 | 57 | 797 | 737 |
| 741 | Investment analysis | 4 | 57 | 771 | 889 |
| 743 | Visual Communication | 5 | 56 | 333 | 448 |
| 743 | Image enhancement | 5 | 56 | 217 | 408 |
| 743 | Biofilms | 10 | 56 | 20 | 247 |
| 743 | international trade | 5 | 56 | 594 | 780 |
| 743 | Calorimetry | 3 | 56 | 1504 | 1325 |
| 743 | Acarology | 4 | 56 | 272 | 361 |
| 743 | Thermal analysis | 3 | 56 | 1504 | 1325 |
| 743 | Ticks | 4 | 56 | 302 | 362 |
| 743 | Acari | 4 | 56 | 264 | 357 |
| 752 | scientific societies | 6 | 55 | 614 | 1175 |
| 752 | phototherapy | 7 | 55 | 109 | 117 |
| 754 | Astronomy | 7 | 54 | 2397 | 3394 |
| 754 | Chemical processes | 3 | 54 | 774 | 724 |
| 756 | Biomechanics | 5 | 53 | 1374 | 1967 |
| 756 | Porous materials | 3 | 53 | 920 | 835 |
| 758 | Industrial Design | 3 | 52 | 288 | 314 |
| 758 | Marine Meteorology | 3 | 52 | 426 | 517 |
| 758 | Animal welfare | 6 | 52 | 190 | 448 |
| 758 | Biomolecules | 2 | 52 | 695 | 893 |
| 762 | Respiratory system | 2 | 51 | 925 | 977 |
| 762 | Respiration | 2 | 51 | 2215 | 2282 |
| 764 | Bone diseases | 2 | 50 | 789 | 838 |
| 765 | Operations Research | 2 | 49 | 3027 | 2583 |
| 765 | Computer-Aided Design | 3 | 49 | 1527 | 1620 |
| 767 | Risk assessment | 5 | 48 | 486 | 769 |
| 767 | visualization | 22 | 48 | 528 | 1103 |
| 767 | Library Science | 2 | 48 | 1901 | 872 |
| 770 | Algebra | 15 | 47 | 839 | 1170 |
| 770 | Restoration Ecology | 3 | 47 | 527 | 693 |
| 770 | Hematopoietic stem cell transplantation | 3 | 47 | 544 | 890 |
| 773 | Happiness | 2 | 46 | 644 | 692 |
| 774 | Global Health | 3 | 45 | 1434 | 1313 |
| 774 | Marine resources | 4 | 45 | 668 | 1041 |
| 776 | Trace elements | 1 | 44 | 651 | 590 |
| 777 | Soil Mechanics | 4 | 43 | 1190 | 1508 |
| 777 | Neuropsychology | 1 | 43 | 4162 | 3376 |
| 777 | Number Theory | 7 | 43 | 637 | 654 |
| 777 | Greenhouse gases | 2 | 43 | 503 | 706 |
| 777 | Landslides | 2 | 43 | 375 | 512 |
| 782 | Agricultural Education | 2 | 42 | 198 | 112 |
| 782 | Control Theory | 8 | 42 | 1290 | 1902 |
| 782 | Bioavailability | 5 | 42 | 33 | 115 |
| 782 | Enteral nutrition | 5 | 42 | 824 | 1611 |
| 782 | Parenteral nutrition | 5 | 42 | 1037 | 1874 |
| 782 | Capitalism | 5 | 42 | 105 | 249 |
| 788 | Paleoecology | 4 | 41 | 1073 | 1574 |
| 788 | Drug targeting | 2 | 41 | 456 | 688 |
| 788 | histological techniques | 2 | 41 | 1045 | 1416 |
| 788 | DNA methylation | 2 | 41 | 443 | 712 |
| 788 | Family Therapy | 1 | 41 | 1416 | 889 |
| 788 | child mental health | 1 | 41 | 912 | 598 |
| 788 | Oligosaccharides | 1 | 41 | 592 | 510 |
| 788 | Southeast Asia | 15 | 41 | 105 | 359 |
| 796 | biobanks | 4 | 40 | 102 | 170 |
| 796 | biocatalysis | 1 | 40 | 405 | 581 |
| 796 | Homogeneous catalysis | 1 | 40 | 405 | 581 |
| 796 | Heterogeneous catalysis | 1 | 40 | 405 | 581 |
| 796 | impact | 4 | 40 | 325 | 652 |
| 801 | Multiphase Flow | 3 | 39 | 433 | 647 |
| 801 | Quantum theory | 3 | 39 | 1232 | 1298 |
| 803 | Materials Engineering | 5 | 38 | 595 | 881 |
| 803 | Conservation Biology | 4 | 38 | 1229 | 1948 |
| 803 | Microbial Metabolism | 2 | 38 | 311 | 546 |
| 803 | Steroids | 5 | 38 | 953 | 1671 |
| 803 | Digestive system diseases | 1 | 38 | 1936 | 1658 |
| 808 | Earthquake Engineering | 2 | 37 | 1723 | 1867 |
| 808 | Pharmacogenetics | 3 | 37 | 1363 | 2050 |
| 808 | Endocrine glands | 1 | 37 | 620 | 782 |
| 808 | Forest Management | 5 | 37 | 926 | 1689 |
| 808 | biomimicry | 3 | 37 | 173 | 311 |
| 813 | Neurotoxicology | 1 | 36 | 1235 | 1201 |
| 813 | Neurovirology | 1 | 36 | 570 | 499 |
| 813 | Energy Harvesting | 1 | 36 | 849 | 971 |
| 813 | Knot Theory | 4 | 36 | 211 | 164 |
| 813 | Water Microbiology | 3 | 36 | 525 | 934 |
| 813 | Ultrasonic Imaging | 1 | 36 | 1118 | 907 |
| 813 | extraterrestrial environment | 4 | 36 | 630 | 880 |
| 813 | Ultrasound | 1 | 36 | 1175 | 991 |
| 813 | Fouling | 3 | 36 | 258 | 553 |
| 822 | Soil dynamics | 1 | 35 | 911 | 758 |
| 822 | Consumer education | 2 | 35 | 485 | 683 |
| 822 | DNA repair | 2 | 35 | 468 | 606 |
| 822 | Nonprofit organizations | 4 | 35 | 294 | 553 |
| 822 | Heterocyclic compounds | 7 | 35 | 771 | 1200 |
| 822 | lasers | 6 | 35 | 1744 | 2327 |
| 828 | Hydrogeology | 3 | 34 | 854 | 1089 |
| 828 | Nutrigenomics | 1 | 34 | 268 | 305 |
| 828 | Phytotherapy | 4 | 34 | 887 | 1670 |
| 831 | Econometrics | 12 | 33 | 762 | 1709 |
| 831 | Transportation | 3 | 33 | 1984 | 2365 |
| 831 | biological monitoring | 3 | 33 | 585 | 1103 |
| 831 | Metals | 2 | 33 | 3246 | 3181 |
| 835 | Risk Management | 4 | 32 | 707 | 1276 |
| 835 | Cell division | 3 | 32 | 667 | 1159 |
| 835 | Electron Microscopy | 1 | 32 | 877 | 680 |
| 835 | ozone | 3 | 32 | 128 | 224 |
| 839 | ecological risk assessment | 4 | 31 | 200 | 553 |
| 839 | Health Risk Assessment | 4 | 31 | 410 | 800 |
| 839 | Cell surface receptors | 1 | 31 | 346 | 223 |
| 842 | Animal Behavior | 4 | 30 | 1944 | 3325 |
| 842 | indoor air pollution | 2 | 30 | 607 | 833 |
| 842 | Ventilation | 2 | 30 | 820 | 978 |
| 842 | Sick building syndrome | 2 | 30 | 607 | 833 |
| 846 | Power Electronics | 3 | 29 | 809 | 989 |
| 846 | Bifurcation Theory | 5 | 29 | 552 | 930 |
| 846 | Nonlinear Dynamics | 6 | 29 | 1898 | 3091 |
| 846 | Leukemia | 2 | 29 | 1777 | 2004 |
| 846 | Bones | 2 | 29 | 1402 | 1797 |
| 851 | Higher Education | 1 | 28 | 1180 | 824 |
| 851 | Tissue Engineering | 1 | 28 | 738 | 631 |
| 851 | Education policy | 1 | 28 | 185 | 170 |
| 851 | Magnetic Resonance Spectroscopy | 3 | 28 | 1500 | 1824 |
| 851 | elasticity | 2 | 28 | 342 | 361 |
| 851 | Securities | 3 | 28 | 342 | 674 |
| 851 | nuclear magnetic resonance spectroscopy | 3 | 28 | 941 | 1145 |
| 851 | Korea | 7 | 28 | 186 | 451 |
| 851 | NMR | 3 | 28 | 683 | 848 |
| 851 | magnetic resonance | 3 | 28 | 701 | 878 |
| 861 | Humanities | 13 | 27 | 884 | 1921 |
| 861 | Chronobiology | 4 | 27 | 385 | 802 |
| 861 | Clinical Biochemistry | 1 | 27 | 2726 | 2370 |
| 861 | biological clocks | 4 | 27 | 385 | 802 |
| 861 | Beetles | 6 | 27 | 93 | 99 |
| 861 | circadian rhythm | 4 | 27 | 385 | 802 |
| 861 | biological rhythms | 4 | 27 | 348 | 782 |
| 868 | Structural Engineering | 12 | 26 | 1058 | 2451 |
| 868 | Surgery | 1 | 26 | 3852 | 3585 |
| 868 | Nuclear Engineering | 4 | 26 | 1359 | 1605 |
| 868 | Magnetic Resonance Imaging | 1 | 26 | 1175 | 1036 |
| 868 | Superconductors | 1 | 26 | 1268 | 989 |
| 868 | Molecular recognition | 3 | 26 | 231 | 532 |
| 868 | Neuroimmunology | 1 | 26 | 1495 | 1727 |
| 868 | Neuropharmacology | 1 | 26 | 1246 | 1206 |
| 868 | Ethology | 3 | 26 | 1751 | 2881 |
| 868 | Superconductivity | 1 | 26 | 974 | 791 |
| 868 | Visual Perception | 3 | 26 | 2268 | 3356 |
| 868 | ports | 1 | 26 | 582 | 537 |
| 868 | Solutions | 1 | 26 | 805 | 596 |
| 868 | Memory | 3 | 26 | 2417 | 3667 |
| 868 | Attention | 3 | 26 | 2342 | 3505 |
| 868 | Perception | 3 | 26 | 2471 | 3600 |
| 884 | Astrophysics | 2 | 25 | 4061 | 4240 |
| 884 | Morphology | 4 | 25 | 875 | 1254 |
| 884 | Plant Morphology | 3 | 25 | 681 | 1064 |
| 884 | Human-Computer Interaction | 6 | 25 | 1213 | 2575 |
| 884 | Nonlinear functional analysis | 5 | 25 | 1064 | 1671 |
| 884 | Immunogenetics | 4 | 25 | 798 | 1512 |
| 884 | Flood forecasting | 1 | 25 | 278 | 302 |
| 884 | Business Ethics | 2 | 25 | 1231 | 1834 |
| 884 | libraries | 1 | 25 | 1596 | 766 |
| 893 | Nuclear Energy | 3 | 24 | 1425 | 1534 |
| 893 | Functional Analysis | 5 | 24 | 1220 | 1708 |
| 893 | Rock Mechanics | 1 | 24 | 1692 | 1527 |
| 893 | symbiosis | 2 | 24 | 218 | 325 |
| 893 | Boundary Value Problems | 5 | 24 | 302 | 383 |
| 893 | Functional foods | 2 | 24 | 588 | 937 |
| 893 | Environmental risk assessment | 1 | 24 | 999 | 833 |
| 900 | Diagnosis | 2 | 22 | 983 | 1273 |
| 900 | Mutagenesis | 2 | 22 | 750 | 1029 |
| 900 | Vaccination | 1 | 22 | 694 | 772 |
| 900 | Microfluidics | 2 | 22 | 350 | 589 |
| 900 | teratogenic agents | 2 | 22 | 367 | 487 |
| 900 | Organometallic compounds | 2 | 22 | 1749 | 2114 |
| 900 | Financial Institutions | 1 | 22 | 876 | 776 |
| 900 | Finite Element Method | 1 | 22 | 665 | 640 |
| 900 | population policy | 1 | 22 | 337 | 337 |
| 900 | Atomic spectroscopy | 2 | 22 | 1668 | 1961 |
| 910 | Biopharmaceutics | 2 | 21 | 1863 | 2545 |
| 910 | Statistical Mechanics | 7 | 21 | 946 | 1574 |
| 910 | Medical Anthropology | 4 | 21 | 1344 | 3088 |
| 910 | Geobiology | 6 | 21 | 356 | 1025 |
| 910 | Capital market | 3 | 21 | 434 | 861 |
| 910 | Eurasia | 1 | 21 | 506 | 436 |
| 910 | planning | 3 | 21 | 857 | 1376 |
| 917 | Tribology | 4 | 20 | 1273 | 2093 |
| 917 | Telecommunications | 2 | 20 | 1277 | 1352 |
| 917 | Circadian rhythms | 1 | 20 | 712 | 786 |
| 917 | Reproductive health | 2 | 20 | 1260 | 1734 |
| 917 | Urbanization | 1 | 20 | 638 | 452 |
| 917 | Computational Complexity | 7 | 20 | 765 | 1710 |
| 917 | Interfaces | 3 | 20 | 357 | 699 |
| 917 | probabilities | 5 | 20 | 1216 | 1607 |
| 917 | Growth factors | 2 | 20 | 421 | 946 |
| 917 | pharmaceutical industry | 2 | 20 | 921 | 1216 |
| 927 | Coastal zone management | 3 | 19 | 802 | 1498 |
| 927 | Helminthology | 3 | 19 | 155 | 223 |
| 927 | disease susceptibility | 1 | 19 | 837 | 937 |
| 927 | Helminths | 3 | 19 | 155 | 223 |
| 927 | health services | 2 | 19 | 1704 | 2316 |
| 927 | biochemical markers | 2 | 19 | 1326 | 1919 |
| 927 | liver | 1 | 19 | 743 | 730 |
| 927 | stocks | 1 | 19 | 346 | 480 |
| 927 | symptoms | 1 | 19 | 837 | 937 |
| 936 | Applied Mathematics | 7 | 18 | 642 | 1151 |
| 936 | Combustion | 4 | 18 | 1294 | 2331 |
| 936 | Hemodynamics | 2 | 18 | 917 | 1512 |
| 936 | Sustainable urban development | 3 | 18 | 38 | 143 |
| 936 | Antiviral agents | 2 | 18 | 541 | 899 |
| 936 | big data | 3 | 18 | 600 | 1100 |
| 936 | Social policy | 4 | 18 | 1008 | 1716 |
| 936 | Smart Cities | 3 | 18 | 6 | 41 |
| 936 | Radioisotopes | 3 | 18 | 1564 | 2117 |
| 936 | Soviet Union | 3 | 18 | 867 | 1003 |
| 936 | Extreme environments | 2 | 18 | 346 | 761 |
| 947 | Biostatistics | 1 | 17 | 437 | 290 |
| 947 | Thermodynamics | 3 | 17 | 1487 | 1878 |
| 947 | Bryology | 3 | 17 | 252 | 391 |
| 947 | Computer Vision | 3 | 17 | 1388 | 2401 |
| 947 | Clinical Pharmacology | 2 | 17 | 2275 | 3134 |
| 947 | Differential Equations | 5 | 17 | 905 | 1382 |
| 947 | Technology Assessment | 1 | 17 | 875 | 1135 |
| 947 | Wireless Communication Systems | 4 | 17 | 2129 | 3107 |
| 947 | Enzyme inhibitors | 2 | 17 | 602 | 1047 |
| 947 | nuclear power | 2 | 17 | 796 | 740 |
| 947 | Cost effectiveness | 1 | 17 | 192 | 196 |
| 947 | packaging | 1 | 17 | 343 | 350 |
| 959 | Social Psychology | 3 | 16 | 2454 | 3990 |
| 959 | Process Control | 2 | 16 | 1251 | 2111 |
| 959 | Quantum Mechanics | 6 | 16 | 130 | 274 |
| 959 | Ergodic Theory | 1 | 16 | 51 | 26 |
| 959 | Calculus of Variations | 2 | 16 | 734 | 752 |
| 959 | Corporate governance | 3 | 16 | 688 | 1325 |
| 959 | Transplantation | 3 | 16 | 1536 | 2504 |
| 959 | sexual behavior | 1 | 16 | 1340 | 1482 |
| 967 | Information Theory | 5 | 15 | 1159 | 2071 |
| 967 | Mobile Computing | 6 | 15 | 875 | 1979 |
| 967 | Plant Pathology | 5 | 15 | 122 | 368 |
| 967 | Crisis management | 4 | 15 | 119 | 398 |
| 967 | Animal ecology | 3 | 15 | 1387 | 2256 |
| 967 | Drug delivery devices | 1 | 15 | 573 | 896 |
| 967 | bryophytes | 2 | 15 | 180 | 227 |
| 967 | Drug discovery | 1 | 15 | 677 | 870 |
| 967 | economic development projects | 1 | 15 | 494 | 559 |
| 967 | Spain | 3 | 15 | 991 | 826 |
| 977 | Software Engineering | 2 | 14 | 1535 | 1805 |
| 977 | Quantum Chemistry | 1 | 14 | 1746 | 1592 |
| 977 | Virtual reality | 2 | 14 | 563 | 836 |
| 977 | electric vehicles | 3 | 14 | 234 | 431 |
| 977 | Aerosols | 1 | 14 | 1170 | 1251 |
| 977 | Classification | 3 | 14 | 299 | 580 |
| 977 | Imaging systems | 5 | 14 | 712 | 1551 |
| 984 | Structural biology | 1 | 13 | 212 | 422 |
| 984 | Semiconductors | 5 | 13 | 2064 | 3657 |
| 984 | Regeneration | 3 | 13 | 55 | 168 |
| 984 | Animal | 2 | 13 | 261 | 512 |
| 988 | Nursing | 2 | 12 | 2922 | 3576 |
| 988 | Ethics | 1 | 12 | 2071 | 2080 |
| 988 | Dietetics | 1 | 12 | 1746 | 1692 |
| 988 | Combinatorial optimization | 1 | 12 | 1060 | 935 |
| 988 | Plasma chemistry | 1 | 12 | 844 | 1023 |
| 988 | Medical Ethics | 1 | 12 | 2480 | 2357 |
| 988 | Learning disabilities | 1 | 12 | 1535 | 1710 |
| 988 | Family | 2 | 12 | 1366 | 2055 |
| 988 | agricultural productivity | 3 | 12 | 69 | 271 |
| 988 | Societies | 1 | 12 | 392 | 315 |
| 988 | Microstructure | 2 | 12 | 1357 | 1872 |
| 988 | Jurisprudence | 1 | 12 | 1894 | 1940 |
| 988 | Intellectual disability | 1 | 12 | 1730 | 1879 |