| 1 | Chemistry | 2,396 | 119.1K | 133 | 183 |
| 2 | Nanotechnology | 892 | 51.2K | 95 | 109 |
| 3 | Physics | 1,487 | 50.7K | 275 | 537 |
| 4 | Materials | 936 | 40.3K | 166 | 188 |
| 5 | Biochemistry | 1,190 | 34.3K | 309 | 426 |
| 6 | Biology | 569 | 30.0K | 503 | 697 |
| 7 | Science | 651 | 29.9K | 460 | 711 |
| 8 | Catalysis | 615 | 28.6K | 86 | 98 |
| 9 | Nuclear Physics | 1,474 | 26.9K | 140 | 287 |
| 10 | Analytical Chemistry | 825 | 26.3K | 34 | 56 |
| 11 | Chemical Engineering | 437 | 22.0K | 182 | 166 |
| 12 | Geophysics | 496 | 21.6K | 191 | 162 |
| 13 | Materials Science | 472 | 21.6K | 187 | 177 |
| 14 | Molecular Biology | 685 | 21.4K | 359 | 564 |
| 15 | Pollution | 481 | 21.4K | 148 | 227 |
| 16 | nanoscience | 321 | 21.0K | 91 | 99 |
| 17 | Ecology | 584 | 20.7K | 228 | 401 |
| 18 | Biocompatible Materials | 432 | 20.4K | 124 | 157 |
| 19 | Organic Chemistry | 698 | 19.8K | 12 | 24 |
| 20 | Botany | 416 | 17.4K | 175 | 208 |
| 21 | Medicine | 641 | 17.3K | 479 | 720 |
| 22 | Nanostructured Materials | 353 | 17.0K | 104 | 92 |
| 23 | Biochemical Engineering | 271 | 15.2K | 108 | 192 |
| 24 | Environment | 257 | 13.8K | 301 | 402 |
| 25 | environmental pollution | 337 | 13.8K | 125 | 153 |
| 26 | Atmospheric Physics | 292 | 13.7K | 67 | 80 |
| 27 | Mathematics | 836 | 13.7K | 161 | 135 |
| 27 | Optical materials | 307 | 13.7K | 78 | 97 |
| 29 | Biotechnology | 332 | 13.3K | 304 | 425 |
| 30 | Meteorology | 528 | 12.3K | 50 | 132 |
| 31 | China | 650 | 12.2K | 37 | 35 |
| 32 | Pharmacology | 353 | 11.1K | 344 | 362 |
| 33 | Electrochemistry | 278 | 11.0K | 225 | 130 |
| 34 | Quantum Gravity | 520 | 10.9K | 92 | 184 |
| 35 | Polymers | 352 | 10.1K | 281 | 314 |
| 36 | Bioengineering | 219 | 10.1K | 245 | 348 |
| 37 | Environmental Health | 356 | 9.9K | 189 | 368 |
| 38 | Bioorganic chemistry | 323 | 9.9K | 34 | 73 |
| 39 | Geology | 268 | 9.6K | 226 | 219 |
| 40 | Surface Chemistry | 309 | 9.4K | 151 | 202 |
| 41 | Environmental Management | 229 | 9.3K | 30 | 57 |
| 42 | Colloids | 299 | 9.2K | 173 | 229 |
| 43 | Biomedical Engineering | 336 | 9.1K | 188 | 272 |
| 44 | Climatology | 351 | 9.1K | 38 | 113 |
| 45 | Research | 345 | 8.9K | 616 | 768 |
| 46 | Plant physiology | 215 | 8.7K | 64 | 123 |
| 47 | Statistical physics | 421 | 8.5K | 184 | 282 |
| 48 | Pharmaceutical Chemistry | 303 | 8.1K | 160 | 263 |
| 49 | Biophysics | 294 | 8.1K | 476 | 544 |
| 50 | Earth Sciences | 299 | 8.0K | 82 | 198 |
| 51 | polymerization | 263 | 8.0K | 280 | 293 |
| 52 | mathematical analysis | 308 | 7.8K | 18 | 4 |
| 53 | Paleoclimatology | 199 | 7.7K | 5 | 14 |
| 54 | Atmospheric Chemistry | 115 | 7.6K | 104 | 106 |
| 55 | Soil Science | 233 | 7.5K | 62 | 81 |
| 56 | Environmental monitoring | 213 | 7.3K | 112 | 212 |
| 57 | Microbiology | 277 | 7.2K | 547 | 876 |
| 58 | Geomorphology | 229 | 7.0K | 8 | 27 |
| 59 | soil microbiology | 159 | 6.9K | 54 | 98 |
| 60 | Hydrology | 229 | 6.6K | 77 | 133 |
| 61 | Environmental Geology | 249 | 6.4K | 7 | 17 |
| 62 | Solid State Physics | 439 | 6.4K | 282 | 469 |
| 63 | Plants | 169 | 6.3K | 87 | 193 |
| 64 | Planets | 132 | 6.2K | 196 | 192 |
| 65 | Nanoparticles | 114 | 6.2K | 96 | 79 |
| 66 | Nanostructures | 125 | 6.1K | 65 | 114 |
| 67 | actuators | 133 | 6.0K | 86 | 72 |
| 67 | transducers | 133 | 6.0K | 86 | 72 |
| 69 | Spectrum analysis | 280 | 6.0K | 254 | 515 |
| 70 | Paleoecology | 153 | 5.7K | 8 | 16 |
| 71 | Paleogeography | 154 | 5.5K | 5 | 13 |
| 72 | Green Chemistry | 110 | 5.5K | 108 | 124 |
| 73 | Energy Policy | 69 | 5.4K | 290 | 189 |
| 74 | Nonlinear functional analysis | 180 | 5.2K | 1 | 3 |
| 75 | Carbon | 64 | 5.1K | 105 | 78 |
| 76 | Renewable Energy Sources | 61 | 5.0K | 320 | 307 |
| 77 | Condensed Matter | 401 | 5.0K | 285 | 532 |
| 78 | plant molecular biology | 85 | 4.9K | 175 | 232 |
| 79 | Plant Ecology | 154 | 4.9K | 62 | 145 |
| 80 | Energy Conversion | 73 | 4.9K | 118 | 183 |
| 81 | Toxicology | 166 | 4.8K | 422 | 517 |
| 82 | Astronomy | 72 | 4.8K | 726 | 602 |
| 83 | Natural history | 36 | 4.8K | 985 | 1320 |
| 84 | Pharmaceutical Technology | 147 | 4.7K | 16 | 31 |
| 85 | Magnetic Materials | 152 | 4.7K | 54 | 56 |
| 86 | Clinical Chemistry | 115 | 4.6K | 281 | 267 |
| 87 | Genomics | 112 | 4.6K | 307 | 285 |
| 88 | Environmental Engineering | 136 | 4.6K | 304 | 424 |
| 89 | Physical organic chemistry | 175 | 4.5K | 11 | 11 |
| 90 | Agricultural Chemistry | 102 | 4.5K | 203 | 154 |
| 91 | Nonlinear Dynamics | 170 | 4.4K | 160 | 185 |
| 92 | Geochemistry | 107 | 4.4K | 275 | 275 |
| 93 | Geography | 104 | 4.2K | 247 | 189 |
| 94 | catalytic activity | 126 | 4.2K | 4 | 7 |
| 95 | Plant diseases | 170 | 4.2K | 97 | 123 |
| 96 | Biodiversity conservation | 58 | 4.2K | 249 | 319 |
| 97 | Functional Analysis | 127 | 4.2K | 13 | 8 |
| 98 | Environmental Policy | 109 | 4.0K | 234 | 375 |
| 99 | Climate change | 38 | 4.0K | 190 | 268 |
| 99 | Eutrophication | 38 | 4.0K | 185 | 266 |
| 101 | Signal Transduction | 28 | 3.9K | 316 | 95 |
| 102 | miniaturization | 70 | 3.9K | 251 | 295 |
| 103 | Biomass Energy | 55 | 3.7K | 393 | 298 |
| 104 | Cytology | 112 | 3.6K | 656 | 993 |
| 105 | Differential Equations | 109 | 3.5K | 13 | 8 |
| 106 | Soil biology | 74 | 3.4K | 78 | 120 |
| 107 | environmental indicators | 101 | 3.4K | 12 | 24 |
| 108 | Plant cells | 59 | 3.4K | 205 | 326 |
| 109 | environmental protection | 110 | 3.4K | 229 | 365 |
| 110 | Microelectronics | 55 | 3.4K | 334 | 288 |
| 111 | Molecular Spectroscopy | 134 | 3.3K | 36 | 43 |
| 112 | Radiation | 182 | 3.3K | 43 | 81 |
| 113 | Engineering Mathematics | 228 | 3.2K | 49 | 84 |
| 114 | Biosensors | 46 | 3.1K | 155 | 137 |
| 115 | Land use | 91 | 3.1K | 21 | 32 |
| 116 | Cell Biology | 99 | 3.0K | 647 | 1072 |
| 117 | Molecular structure | 149 | 3.0K | 79 | 264 |
| 118 | Molecular Genetics | 48 | 3.0K | 347 | 303 |
| 119 | Environmental Chemistry | 51 | 3.0K | 274 | 329 |
| 120 | Automation | 65 | 2.9K | 349 | 375 |
| 121 | Composite Materials | 74 | 2.9K | 413 | 437 |
| 122 | Engineering Geology | 87 | 2.9K | 106 | 134 |
| 123 | soil conservation | 97 | 2.8K | 11 | 14 |
| 124 | Bioelectronics | 35 | 2.8K | 165 | 129 |
| 125 | Chromatographic analysis | 180 | 2.8K | 27 | 59 |
| 126 | Energy Storage | 56 | 2.8K | 124 | 110 |
| 127 | Artificial Intelligence | 80 | 2.7K | 602 | 560 |
| 128 | Optics | 200 | 2.7K | 526 | 624 |
| 129 | Pharmacognosy | 105 | 2.7K | 91 | 174 |
| 129 | natural products | 140 | 2.7K | 40 | 108 |
| 131 | Luminescence | 106 | 2.7K | 21 | 20 |
| 132 | free radicals | 42 | 2.6K | 184 | 193 |
| 133 | Technology | 126 | 2.6K | 374 | 513 |
| 134 | Solid State Chemistry | 105 | 2.6K | 236 | 218 |
| 135 | fuel cells | 55 | 2.6K | 153 | 221 |
| 136 | Environmental Toxicology | 101 | 2.6K | 125 | 304 |
| 137 | health planning | 150 | 2.5K | 39 | 96 |
| 138 | energy conservation | 33 | 2.5K | 415 | 333 |
| 139 | Radiochemistry | 235 | 2.5K | 17 | 32 |
| 140 | atmosphere | 143 | 2.5K | 8 | 27 |
| 141 | Virology | 58 | 2.4K | 636 | 945 |
| 142 | Microbial Ecology | 70 | 2.4K | 345 | 540 |
| 143 | Physiology | 96 | 2.4K | 642 | 813 |
| 144 | Photonics | 98 | 2.4K | 227 | 381 |
| 145 | Water | 59 | 2.3K | 416 | 553 |
| 146 | land degradation | 78 | 2.3K | 6 | 9 |
| 146 | degradation | 78 | 2.3K | 6 | 9 |
| 148 | Neural circuitry | 65 | 2.3K | 147 | 187 |
| 149 | Environmental pollutants | 100 | 2.3K | 112 | 231 |
| 150 | Sustainable Engineering | 59 | 2.3K | 169 | 199 |
| 151 | biological factors | 102 | 2.3K | 60 | 179 |
| 152 | Marine Meteorology | 95 | 2.2K | 27 | 53 |
| 153 | Population Genetics | 51 | 2.2K | 179 | 237 |
| 154 | biological evolution | 46 | 2.2K | 439 | 509 |
| 155 | Numerical Analysis | 119 | 2.2K | 119 | 178 |
| 156 | Public Health | 83 | 2.2K | 869 | 1023 |
| 156 | Nuclear Chemistry | 197 | 2.2K | 15 | 39 |
| 158 | Neurology | 83 | 2.1K | 1035 | 1380 |
| 159 | Energy Harvesting | 16 | 2.1K | 144 | 94 |
| 160 | Nutrition | 56 | 2.1K | 887 | 853 |
| 161 | Molecular ecology | 33 | 2.1K | 242 | 263 |
| 162 | Cosmochemistry | 34 | 2.1K | 137 | 78 |
| 163 | Bioinorganic chemistry | 36 | 2.1K | 307 | 116 |
| 164 | Industrial Engineering | 59 | 2.0K | 238 | 211 |
| 165 | Electrophoresis | 96 | 2.0K | 68 | 125 |
| 166 | Biodiversity | 92 | 2.0K | 174 | 402 |
| 167 | Epidemiology | 77 | 2.0K | 573 | 659 |
| 168 | Chromatography | 125 | 2.0K | 41 | 84 |
| 169 | Cancer | 73 | 2.0K | 683 | 952 |
| 170 | pigments | 57 | 2.0K | 44 | 21 |
| 171 | Genetics | 62 | 2.0K | 738 | 1109 |
| 172 | Plant Genetics | 26 | 1.9K | 135 | 121 |
| 173 | energy resources | 22 | 1.9K | 345 | 286 |
| 174 | sanitation | 48 | 1.9K | 302 | 485 |
| 175 | Soil ecology | 58 | 1.9K | 38 | 69 |
| 176 | Asia | 110 | 1.8K | 134 | 150 |
| 176 | plant communities | 49 | 1.8K | 151 | 241 |
| 178 | Signal Processing | 58 | 1.8K | 519 | 556 |
| 179 | Systems Engineering | 36 | 1.8K | 441 | 226 |
| 180 | Wireless Communication Systems | 39 | 1.8K | 593 | 388 |
| 181 | Photochemistry | 56 | 1.7K | 162 | 173 |
| 182 | Computational Biology | 58 | 1.7K | 431 | 562 |
| 183 | Mineralogy | 36 | 1.7K | 356 | 273 |
| 184 | pollutants | 70 | 1.7K | 140 | 277 |
| 185 | Engineering | 106 | 1.7K | 469 | 597 |
| 186 | Electronics | 94 | 1.6K | 572 | 680 |
| 187 | Petrology | 33 | 1.6K | 269 | 232 |
| 188 | Molecular evolution | 32 | 1.6K | 334 | 344 |
| 189 | Semiconductors | 87 | 1.6K | 153 | 163 |
| 190 | Agriculture | 81 | 1.6K | 213 | 331 |
| 191 | Photobiology | 49 | 1.6K | 85 | 95 |
| 192 | Medicinal plants | 60 | 1.6K | 101 | 204 |
| 193 | Image Processing | 51 | 1.5K | 400 | 475 |
| 194 | Neurochemistry | 54 | 1.5K | 498 | 634 |
| 195 | Cybernetics | 17 | 1.5K | 590 | 319 |
| 196 | Mathematical Physics | 100 | 1.5K | 397 | 511 |
| 197 | environmental exposure | 59 | 1.5K | 145 | 239 |
| 198 | wind erosion | 24 | 1.5K | 2 | 5 |
| 199 | Paleontology | 76 | 1.5K | 150 | 188 |
| 200 | Tribology | 40 | 1.5K | 178 | 126 |
| 200 | Organometallic chemistry | 76 | 1.5K | 128 | 139 |
| 202 | Food | 48 | 1.5K | 593 | 674 |
| 203 | Biogeochemistry | 40 | 1.5K | 223 | 318 |
| 204 | clay | 36 | 1.5K | 58 | 72 |
| 205 | Bioinformatics | 52 | 1.5K | 351 | 508 |
| 206 | Superconductors | 69 | 1.5K | 129 | 96 |
| 207 | cryosphere | 27 | 1.5K | 90 | 85 |
| 208 | Plant tissue culture | 47 | 1.4K | 50 | 55 |
| 209 | Plant cell culture | 45 | 1.4K | 34 | 51 |
| 210 | synthesis | 136 | 1.4K | 6 | 18 |
| 211 | Ceramics | 51 | 1.4K | 208 | 210 |
| 211 | management | 41 | 1.4K | 841 | 879 |
| 213 | Physical Chemistry | 44 | 1.4K | 524 | 561 |
| 214 | System analysis | 80 | 1.4K | 242 | 366 |
| 215 | Liver diseases | 14 | 1.4K | 668 | 524 |
| 216 | Water pollution | 39 | 1.4K | 675 | 768 |
| 217 | Information Systems | 43 | 1.4K | 129 | 141 |
| 217 | bioclimatology | 75 | 1.4K | 13 | 63 |
| 219 | Operations Research | 16 | 1.3K | 962 | 461 |
| 220 | soil management | 32 | 1.3K | 66 | 74 |
| 221 | tillage | 29 | 1.3K | 47 | 61 |
| 222 | Bioremediation | 26 | 1.3K | 46 | 42 |
| 222 | Chronic diseases | 33 | 1.3K | 116 | 182 |
| 224 | Chemical analysis | 43 | 1.3K | 84 | 109 |
| 225 | Radiation effects | 37 | 1.2K | 28 | 49 |
| 226 | Immunology | 55 | 1.2K | 902 | 1342 |
| 227 | Environmental Microbiology | 31 | 1.2K | 261 | 396 |
| 228 | Plant hormones | 31 | 1.2K | 18 | 14 |
| 229 | Glass | 53 | 1.2K | 154 | 219 |
| 230 | Fractals | 43 | 1.2K | 108 | 93 |
| 231 | Forest Ecology | 42 | 1.2K | 158 | 236 |
| 232 | pottery | 47 | 1.2K | 163 | 226 |
| 233 | Electromagnetism | 34 | 1.2K | 181 | 150 |
| 234 | Analytical Biochemistry | 55 | 1.2K | 154 | 291 |
| 235 | Solitons | 40 | 1.1K | 71 | 79 |
| 235 | Chaos | 40 | 1.1K | 71 | 79 |
| 237 | Phylogeny | 22 | 1.1K | 209 | 193 |
| 238 | Building Materials | 31 | 1.1K | 459 | 547 |
| 239 | Zeolites | 21 | 1.1K | 215 | 138 |
| 240 | Industrial Microbiology | 39 | 1.1K | 313 | 518 |
| 241 | Surface-Active Agents | 38 | 1.1K | 83 | 143 |
| 241 | Surface properties | 38 | 1.1K | 89 | 164 |
| 243 | Alternative Medicine | 50 | 1.1K | 204 | 243 |
| 244 | complementary therapies | 49 | 1.1K | 223 | 248 |
| 245 | Plant genetic engineering | 18 | 1.1K | 290 | 231 |
| 246 | Metallurgy | 41 | 1.1K | 565 | 591 |
| 247 | cytokines | 34 | 1.1K | 187 | 244 |
| 248 | Drug design | 54 | 1.1K | 142 | 340 |
| 249 | Metals | 42 | 1.0K | 472 | 570 |
| 250 | drugs | 58 | 1.0K | 296 | 434 |
| 251 | Soft Condensed Matter | 44 | 1.0K | 198 | 255 |
| 252 | Chromosome mapping | 35 | 1.0K | 374 | 545 |
| 252 | gene mapping | 35 | 1.0K | 436 | 659 |
| 254 | Agronomy | 16 | 1.0K | 155 | 138 |
| 254 | Radioisotopes | 66 | 1.0K | 74 | 89 |
| 256 | Diet | 16 | 1.0K | 846 | 714 |
| 257 | Immunotherapy | 33 | 988 | 395 | 638 |
| 258 | natural disasters | 37 | 982 | 128 | 220 |
| 259 | Oncology | 27 | 979 | 639 | 1186 |
| 260 | Human genetics | 5 | 977 | 1709 | 1631 |
| 260 | Electrochemical Analysis | 36 | 977 | 290 | 286 |
| 262 | Boundary Value Problems | 33 | 952 | 106 | 99 |
| 263 | Information Science | 25 | 948 | 685 | 615 |
| 263 | lasers | 48 | 948 | 377 | 407 |
| 265 | Structural Engineering | 32 | 944 | 454 | 400 |
| 266 | Environmental Law | 16 | 931 | 339 | 419 |
| 266 | Multimedia Systems | 39 | 931 | 283 | 258 |
| 268 | Biogeography | 15 | 914 | 373 | 379 |
| 269 | Biodegradation | 22 | 899 | 66 | 67 |
| 270 | radiative transfer | 27 | 895 | 98 | 79 |
| 271 | Documentation | 12 | 890 | 85 | 36 |
| 272 | Cell death | 18 | 877 | 464 | 522 |
| 273 | Telecommunication | 12 | 876 | 1432 | 763 |
| 274 | Ecological Engineering | 17 | 871 | 100 | 80 |
| 275 | Immunopharmacology | 29 | 863 | 150 | 158 |
| 275 | water supply | 23 | 863 | 257 | 302 |
| 277 | Antenna Arrays | 16 | 848 | 190 | 104 |
| 278 | Recycling | 14 | 847 | 152 | 195 |
| 279 | energy development | 9 | 845 | 352 | 292 |
| 280 | Hydrogeology | 24 | 824 | 137 | 91 |
| 280 | Soil Mechanics | 27 | 824 | 342 | 355 |
| 282 | Metabolism | 18 | 822 | 1111 | 1129 |
| 283 | Membranes | 12 | 815 | 884 | 693 |
| 284 | Human-Computer Interaction | 23 | 796 | 360 | 323 |
| 285 | Agricultural Science | 16 | 784 | 52 | 82 |
| 286 | Microorganisms | 25 | 781 | 196 | 403 |
| 287 | proteins | 50 | 776 | 366 | 657 |
| 288 | Astrophysics | 72 | 760 | 780 | 1281 |
| 289 | rehabilitation | 19 | 758 | 761 | 643 |
| 290 | Intelligent Transportation Systems | 10 | 756 | 550 | 321 |
| 290 | peptides | 48 | 756 | 40 | 72 |
| 292 | Thermodynamics | 63 | 749 | 68 | 124 |
| 292 | Thermochemistry | 62 | 749 | 29 | 79 |
| 294 | Aging | 23 | 745 | 1008 | 925 |
| 295 | Molecular Pharmacology | 21 | 738 | 177 | 241 |
| 296 | Landslides | 17 | 734 | 42 | 55 |
| 297 | Data Mining | 23 | 724 | 343 | 487 |
| 298 | Statistics | 47 | 721 | 638 | 735 |
| 299 | Nuclear Engineering | 108 | 715 | 183 | 349 |
| 300 | Pharmacokinetics | 21 | 712 | 189 | 203 |
| 301 | internet | 26 | 699 | 361 | 440 |
| 302 | Plant Biotechnology | 12 | 698 | 307 | 210 |
| 302 | Mountains | 54 | 698 | 9 | 11 |
| 304 | Forest Management | 21 | 693 | 285 | 320 |
| 305 | Sustainable Development | 32 | 692 | 315 | 620 |
| 306 | Pathology | 17 | 687 | 1001 | 919 |
| 307 | Fluorescence | 39 | 681 | 6 | 8 |
| 308 | Brain | 29 | 678 | 856 | 1081 |
| 309 | Internet of Things | 24 | 676 | 287 | 346 |
| 310 | biopolymers | 30 | 664 | 291 | 386 |
| 311 | Medical Laboratory Science | 29 | 652 | 574 | 937 |
| 312 | United States | 24 | 651 | 1746 | 1586 |
| 313 | Immunity | 17 | 644 | 771 | 1198 |
| 314 | Pharmacy | 28 | 642 | 580 | 696 |
| 315 | Japan | 29 | 630 | 405 | 331 |
| 316 | Nanochemistry | 41 | 628 | 97 | 172 |
| 317 | Mobile Computing | 14 | 627 | 479 | 289 |
| 318 | data collection | 18 | 626 | 210 | 374 |
| 319 | Physical Geography | 47 | 625 | 23 | 81 |
| 320 | Organic Geochemistry | 17 | 609 | 101 | 142 |
| 321 | Algorithms | 44 | 608 | 22 | 84 |
| 322 | Medical Microbiology | 16 | 588 | 989 | 1158 |
| 322 | Crystal growth | 20 | 588 | 292 | 288 |
| 322 | Evolution | 35 | 588 | 469 | 835 |
| 325 | atmospheric models | 19 | 586 | 221 | 316 |
| 326 | Cell differentiation | 10 | 578 | 940 | 962 |
| 327 | Molecules | 47 | 570 | 250 | 448 |
| 328 | Developmental Biology | 21 | 568 | 697 | 1023 |
| 329 | Hematology | 14 | 554 | 1451 | 1351 |
| 329 | Evidence-Based Medicine | 29 | 554 | 195 | 237 |
| 331 | Neurophysiology | 27 | 551 | 966 | 1375 |
| 332 | Cognitive Science | 6 | 549 | 1013 | 583 |
| 333 | Geodynamics | 16 | 544 | 365 | 382 |
| 334 | Ore deposits | 15 | 527 | 183 | 173 |
| 335 | Animal Nutrition | 23 | 521 | 147 | 162 |
| 336 | Geriatrics | 16 | 519 | 1272 | 1069 |
| 337 | Clinical Pharmacology | 19 | 505 | 473 | 470 |
| 337 | soil pollution | 21 | 505 | 49 | 69 |
| 339 | Organometallic compounds | 17 | 498 | 475 | 456 |
| 340 | Cosmology | 71 | 490 | 137 | 375 |
| 341 | Genetic engineering | 34 | 486 | 463 | 1082 |
| 341 | ecosystem | 18 | 486 | 450 | 692 |
| 343 | Drug discovery | 1 | 479 | 507 | 43 |
| 344 | Civil Engineering | 35 | 478 | 404 | 368 |
| 345 | Recombinant DNA | 32 | 474 | 273 | 586 |
| 346 | Solar Energy | 19 | 472 | 504 | 771 |
| 346 | Informatics | 21 | 472 | 169 | 298 |
| 348 | Zoology | 35 | 470 | 709 | 884 |
| 349 | Nuclear Energy | 75 | 469 | 129 | 277 |
| 350 | Phytochemistry | 5 | 466 | 134 | 27 |
| 350 | Phytoremediation | 5 | 466 | 134 | 27 |
| 350 | environmental remediation | 5 | 466 | 182 | 33 |
| 350 | Bioreactors | 5 | 466 | 134 | 27 |
| 354 | Animal genetics | 16 | 464 | 208 | 200 |
| 355 | Soil fertility | 15 | 463 | 82 | 140 |
| 356 | Electrical Engineering | 34 | 462 | 1176 | 1092 |
| 356 | toxicity testing | 23 | 462 | 92 | 192 |
| 358 | Water quality management | 17 | 460 | 681 | 606 |
| 359 | Archaeology | 23 | 457 | 428 | 412 |
| 360 | Information Technology | 18 | 453 | 949 | 916 |
| 361 | Extreme environments | 7 | 446 | 92 | 53 |
| 362 | food technology | 22 | 444 | 844 | 1165 |
| 363 | Oncogenes | 6 | 443 | 839 | 849 |
| 364 | Remote Sensing | 22 | 437 | 376 | 354 |
| 365 | Herbal medicine | 15 | 435 | 155 | 233 |
| 366 | mass transfer | 20 | 423 | 593 | 756 |
| 367 | Neurobiology | 13 | 419 | 858 | 1059 |
| 368 | hazard mitigation | 16 | 413 | 220 | 299 |
| 369 | Rock Mechanics | 11 | 412 | 465 | 427 |
| 370 | Particle Physics | 48 | 411 | 53 | 204 |
| 370 | genome | 15 | 411 | 648 | 1047 |
| 372 | Population | 10 | 408 | 482 | 343 |
| 373 | Systems Biology | 26 | 404 | 363 | 621 |
| 373 | Plastics | 18 | 404 | 601 | 560 |
| 375 | Inflammation | 17 | 401 | 412 | 626 |
| 376 | probabilities | 17 | 400 | 531 | 344 |
| 377 | Diagnosis | 10 | 397 | 241 | 106 |
| 378 | Microbial Biotechnology | 10 | 396 | 345 | 302 |
| 378 | Molecular cloning | 26 | 396 | 316 | 640 |
| 378 | Genetic recombination | 26 | 396 | 303 | 633 |
| 378 | Catalysts | 18 | 396 | 131 | 203 |
| 382 | particles | 23 | 395 | 165 | 249 |
| 383 | Sustainable agriculture | 22 | 394 | 121 | 256 |
| 384 | Cell cycle | 4 | 390 | 244 | 77 |
| 384 | cell proliferation | 4 | 390 | 288 | 83 |
| 386 | Biological Systems | 25 | 389 | 77 | 181 |
| 387 | Fluid Mechanics | 18 | 386 | 692 | 694 |
| 388 | Dynamics | 51 | 382 | 191 | 482 |
| 389 | Mycology | 15 | 381 | 697 | 799 |
| 389 | Metallography | 18 | 381 | 222 | 288 |
| 391 | Pesticides | 12 | 380 | 215 | 150 |
| 392 | air quality management | 16 | 379 | 77 | 170 |
| 393 | Allergy | 2 | 378 | 1361 | 913 |
| 393 | Microwaves | 29 | 378 | 447 | 518 |
| 395 | software | 9 | 375 | 495 | 462 |
| 396 | Physical fitness | 3 | 374 | 1070 | 460 |
| 397 | polar regions | 18 | 371 | 198 | 245 |
| 398 | Geographic information systems | 30 | 370 | 145 | 241 |
| 399 | Marine Geology | 12 | 369 | 239 | 228 |
| 399 | Petroleum Geology | 12 | 369 | 225 | 230 |
| 401 | Water chemistry | 4 | 367 | 212 | 37 |
| 402 | computer networks | 23 | 366 | 868 | 1194 |
| 403 | Rural Development | 3 | 364 | 559 | 172 |
| 404 | Water quality | 3 | 361 | 176 | 24 |
| 404 | Detectors | 28 | 361 | 357 | 567 |
| 406 | Drug delivery systems | 22 | 359 | 391 | 870 |
| 407 | Technological Innovations | 10 | 356 | 417 | 379 |
| 408 | Antioxidants | 9 | 353 | 366 | 521 |
| 409 | Diagnostic Imaging | 32 | 352 | 473 | 937 |
| 410 | Oxidative stress | 14 | 349 | 410 | 731 |
| 411 | Algebra | 65 | 347 | 201 | 333 |
| 412 | dietary supplements | 10 | 344 | 302 | 302 |
| 413 | infection | 12 | 341 | 774 | 931 |
| 414 | Social Sciences | 28 | 340 | 1097 | 1182 |
| 415 | Economic History | 29 | 338 | 1084 | 1279 |
| 415 | drug evaluation | 19 | 338 | 375 | 548 |
| 417 | Entropy | 19 | 334 | 243 | 225 |
| 417 | Fertilizers | 11 | 334 | 132 | 129 |
| 417 | Meteorites | 8 | 334 | 586 | 675 |
| 420 | Computer-Aided Design | 24 | 332 | 256 | 466 |
| 421 | Waste management | 15 | 328 | 520 | 508 |
| 422 | solar power | 11 | 327 | 319 | 487 |
| 422 | solar cells | 11 | 327 | 375 | 536 |
| 422 | city planning | 19 | 327 | 539 | 661 |
| 425 | Transportation | 8 | 325 | 991 | 790 |
| 425 | Gastrointestinal diseases | 9 | 325 | 322 | 190 |
| 427 | Psychiatry | 22 | 322 | 1637 | 2437 |
| 427 | Psychology | 24 | 322 | 1726 | 2373 |
| 429 | Health Services Research | 22 | 321 | 469 | 719 |
| 430 | Computational Chemistry | 10 | 318 | 284 | 332 |
| 431 | Imaging systems | 24 | 314 | 88 | 129 |
| 432 | Computer Science | 20 | 312 | 667 | 690 |
| 433 | Endocrinology | 7 | 309 | 2068 | 1989 |
| 434 | Communication | 8 | 307 | 1274 | 997 |
| 435 | Industrial Safety | 6 | 306 | 770 | 437 |
| 436 | Horticulture | 22 | 305 | 187 | 251 |
| 436 | Parenteral nutrition | 5 | 305 | 743 | 594 |
| 436 | Geobiology | 13 | 305 | 151 | 188 |
| 436 | Radio | 5 | 305 | 1268 | 891 |
| 440 | Manufacturing Processes | 9 | 298 | 1350 | 1172 |
| 441 | Heat Exchangers | 8 | 297 | 684 | 725 |
| 442 | pain | 13 | 295 | 585 | 787 |
| 443 | Economics | 32 | 294 | 1441 | 1882 |
| 443 | Agricultural Ecology | 20 | 294 | 312 | 781 |
| 445 | Sedimentary rocks | 10 | 290 | 260 | 305 |
| 445 | Oxidation-reduction | 4 | 290 | 703 | 689 |
| 447 | Sites | 10 | 289 | 243 | 344 |
| 448 | Animal breeding | 14 | 288 | 323 | 361 |
| 449 | Minerals | 30 | 286 | 62 | 274 |
| 450 | Biofilms | 5 | 285 | 50 | 55 |
| 451 | Superconductivity | 6 | 283 | 250 | 122 |
| 452 | Paleobiology | 34 | 282 | 22 | 62 |
| 453 | Mining Engineering | 2 | 280 | 749 | 252 |
| 453 | Stochastic Processes | 17 | 280 | 251 | 289 |
| 455 | Wildlife conservation | 4 | 279 | 1029 | 843 |
| 456 | Computer Vision | 3 | 276 | 1131 | 743 |
| 457 | Quantum Chemistry | 9 | 271 | 444 | 269 |
| 458 | Embryology | 14 | 270 | 704 | 1119 |
| 458 | Environmental Geochemistry | 29 | 270 | 18 | 143 |
| 458 | Paleobotany | 6 | 270 | 85 | 62 |
| 458 | Vegetation dynamics | 6 | 270 | 80 | 60 |
| 462 | medical education | 6 | 269 | 1215 | 781 |
| 463 | Ceramic materials | 15 | 266 | 503 | 640 |
| 463 | Reproduction | 18 | 266 | 924 | 1296 |
| 465 | Mechatronics | 8 | 264 | 495 | 464 |
| 465 | coal | 9 | 264 | 935 | 1145 |
| 467 | Europe | 12 | 259 | 1582 | 1497 |
| 468 | Radio waves | 3 | 258 | 950 | 570 |
| 468 | Phytotherapy | 10 | 258 | 317 | 404 |
| 470 | Fracture mechanics | 22 | 257 | 464 | 719 |
| 470 | drug therapy | 12 | 257 | 1130 | 1399 |
| 472 | Chromosomes | 11 | 256 | 455 | 641 |
| 472 | livestock | 11 | 256 | 261 | 175 |
| 472 | Behavior | 11 | 256 | 1622 | 2162 |
| 475 | Public Policy | 6 | 255 | 1200 | 940 |
| 476 | Health Policy | 18 | 254 | 792 | 1220 |
| 477 | Metabolic diseases | 7 | 253 | 1505 | 1804 |
| 478 | Mechanical Engineering | 16 | 251 | 1130 | 1023 |
| 478 | Animal husbandry | 11 | 251 | 139 | 110 |
| 480 | Neuropsychology | 12 | 250 | 1110 | 1331 |
| 480 | Enteral nutrition | 4 | 250 | 699 | 567 |
| 482 | cell interaction | 13 | 247 | 479 | 819 |
| 483 | Animal Behavior | 14 | 244 | 831 | 1316 |
| 483 | behavioral medicine | 14 | 244 | 493 | 916 |
| 483 | Light | 9 | 244 | 512 | 828 |
| 483 | Agricultural systems | 7 | 244 | 168 | 216 |
| 487 | Geomagnetism | 7 | 243 | 407 | 358 |
| 487 | Hazardous waste | 8 | 243 | 504 | 786 |
| 487 | Autoimmune diseases | 5 | 243 | 466 | 426 |
| 490 | Biopharmaceutics | 7 | 242 | 743 | 730 |
| 490 | Virulence | 10 | 242 | 576 | 1091 |
| 492 | Quantum electronics | 16 | 241 | 688 | 809 |
| 492 | Developing countries | 14 | 241 | 918 | 1233 |
| 492 | Nitric oxide | 2 | 241 | 319 | 115 |
| 495 | Geochemical Modeling | 5 | 239 | 190 | 177 |
| 495 | geological modeling | 5 | 239 | 326 | 220 |
| 497 | Earthquake Engineering | 12 | 238 | 641 | 795 |
| 498 | Fuzzy systems | 25 | 237 | 324 | 581 |
| 499 | Sociology | 18 | 235 | 1128 | 1595 |
| 499 | Nervous system | 19 | 235 | 886 | 1750 |
| 499 | Structure-activity relationship | 21 | 235 | 28 | 188 |
| 502 | Therapeutics | 6 | 233 | 1178 | 1218 |
| 503 | Simulation Methods | 13 | 232 | 284 | 347 |
| 503 | Water Purification | 11 | 232 | 534 | 537 |
| 505 | Quality Control | 8 | 230 | 1029 | 993 |
| 505 | viruses | 24 | 230 | 488 | 1218 |
| 507 | Bifurcation Theory | 23 | 229 | 103 | 217 |
| 507 | Fiber Optics | 13 | 229 | 444 | 529 |
| 509 | Friction | 9 | 226 | 23 | 53 |
| 510 | Climate | 19 | 223 | 92 | 345 |
| 511 | Health Information Management | 2 | 221 | 370 | 378 |
| 512 | Computer Graphics | 16 | 220 | 698 | 978 |
| 512 | Landscape Ecology | 8 | 220 | 218 | 326 |
| 514 | Mental Disorders | 12 | 219 | 1527 | 2119 |
| 514 | biomedicine | 8 | 219 | 428 | 447 |
| 516 | protein | 13 | 216 | 562 | 823 |
| 517 | Radiobiology | 15 | 214 | 601 | 936 |
| 518 | Plant Morphology | 8 | 213 | 288 | 250 |
| 519 | isomerism | 17 | 212 | 46 | 113 |
| 519 | Mineral resources | 10 | 212 | 153 | 347 |
| 519 | Chirality | 17 | 212 | 46 | 113 |
| 522 | Periglacial processes | 5 | 211 | 79 | 91 |
| 522 | Production Management | 6 | 211 | 738 | 934 |
| 522 | Permafrost | 5 | 211 | 79 | 91 |
| 522 | Frozen ground | 5 | 211 | 83 | 91 |
| 526 | vitamin C | 7 | 210 | 182 | 288 |
| 526 | vitamin E | 7 | 210 | 182 | 288 |
| 528 | Humanities | 22 | 209 | 416 | 495 |
| 529 | Ethology | 12 | 208 | 710 | 1217 |
| 530 | enzymes | 9 | 206 | 878 | 1097 |
| 531 | Genetic Toxicology | 5 | 205 | 306 | 380 |
| 531 | Metallic Glasses | 5 | 205 | 324 | 283 |
| 531 | body temperature | 9 | 205 | 167 | 201 |
| 534 | radioactive waste | 4 | 204 | 667 | 812 |
| 534 | industrial waste | 4 | 204 | 694 | 813 |
| 536 | Logistics | 2 | 203 | 653 | 352 |
| 536 | Business Ethics | 2 | 203 | 1097 | 875 |
| 538 | Cellular senescence | 12 | 202 | 255 | 656 |
| 538 | marketing | 8 | 202 | 1146 | 1214 |
| 540 | Statistical Mechanics | 42 | 200 | 135 | 365 |
| 540 | Combinatorial analysis | 27 | 200 | 272 | 345 |
| 542 | Anatomy | 23 | 199 | 652 | 1280 |
| 543 | Plate Tectonics | 6 | 198 | 159 | 129 |
| 543 | economic policy | 14 | 198 | 1115 | 1095 |
| 543 | Entomology | 19 | 198 | 942 | 1217 |
| 546 | nuclear power | 29 | 197 | 110 | 169 |
| 547 | Raman spectroscopy | 12 | 195 | 277 | 435 |
| 548 | Medical genetics | 12 | 194 | 1467 | 2384 |
| 548 | animals | 18 | 194 | 404 | 612 |
| 550 | Infections | 5 | 193 | 884 | 1001 |
| 550 | Business | 7 | 193 | 1492 | 1517 |
| 550 | Immune system | 9 | 193 | 544 | 1121 |
| 553 | Immunochemistry | 10 | 192 | 455 | 603 |
| 553 | Vaccines | 11 | 192 | 960 | 1348 |
| 555 | optical devices | 9 | 191 | 207 | 207 |
| 556 | Urban Policy | 9 | 189 | 341 | 520 |
| 556 | vascular diseases | 5 | 189 | 512 | 577 |
| 558 | gastrointestinal tract | 3 | 187 | 321 | 319 |
| 559 | weather | 14 | 186 | 135 | 336 |
| 560 | Microstructure | 8 | 184 | 407 | 271 |
| 561 | Sleep Disorders | 11 | 182 | 839 | 1088 |
| 561 | Sleep | 11 | 182 | 841 | 1093 |
| 563 | Process Control | 4 | 181 | 761 | 830 |
| 564 | Cardiovascular diseases | 15 | 180 | 681 | 1052 |
| 565 | Semigroups | 32 | 179 | 9 | 25 |
| 565 | Vocational guidance | 5 | 179 | 616 | 595 |
| 567 | Sedimentology | 5 | 178 | 457 | 413 |
| 567 | Birds | 25 | 178 | 350 | 593 |
| 569 | Nuclear Fusion | 21 | 177 | 202 | 289 |
| 569 | Combinatorial optimization | 23 | 177 | 43 | 105 |
| 571 | Marine Biology | 7 | 176 | 1718 | 1850 |
| 572 | Actuarial Science | 3 | 175 | 251 | 119 |
| 572 | Thin Films | 12 | 175 | 164 | 224 |
| 572 | nucleic acids | 12 | 175 | 898 | 1611 |
| 572 | insurance | 3 | 175 | 384 | 158 |
| 576 | Ecological Genetics | 25 | 174 | 79 | 292 |
| 576 | Geriatric Psychiatry | 2 | 174 | 1344 | 774 |
| 576 | Long-Term Care | 4 | 174 | 424 | 442 |
| 576 | Long-term care facilities | 4 | 174 | 421 | 441 |
| 576 | Cellulose | 7 | 174 | 314 | 435 |
| 581 | Integrative Medicine | 13 | 173 | 68 | 71 |
| 582 | cell physiology | 6 | 172 | 1118 | 1407 |
| 583 | Health Education | 4 | 171 | 1591 | 1112 |
| 583 | infrared radiation | 39 | 171 | 40 | 210 |
| 585 | Chronobiology | 5 | 170 | 318 | 256 |
| 585 | Circadian rhythms | 4 | 170 | 265 | 236 |
| 585 | biological clocks | 5 | 170 | 318 | 256 |
| 585 | circadian rhythm | 5 | 170 | 318 | 256 |
| 585 | biological rhythms | 5 | 170 | 291 | 250 |
| 585 | Chemical industry | 15 | 170 | 477 | 674 |
| 591 | Marine Pollution | 6 | 169 | 825 | 1014 |
| 591 | brain mapping | 6 | 169 | 457 | 613 |
| 593 | Crystallography | 38 | 167 | 369 | 727 |
| 594 | sustainability | 4 | 166 | 731 | 798 |
| 595 | air quality | 10 | 165 | 25 | 77 |
| 596 | Economic Development | 6 | 164 | 1161 | 1312 |
| 596 | Freeze-Drying | 3 | 164 | 361 | 211 |
| 596 | Hypothermia | 3 | 164 | 361 | 211 |
| 596 | Freeze Drying | 3 | 164 | 361 | 211 |
| 596 | Magnetic Resonance Spectroscopy | 18 | 164 | 450 | 706 |
| 596 | Granular materials | 10 | 164 | 192 | 356 |
| 602 | vibration | 7 | 162 | 847 | 814 |
| 603 | Conservation Biology | 27 | 161 | 240 | 992 |
| 603 | Genetic therapy | 6 | 161 | 841 | 1054 |
| 605 | Food additives | 11 | 158 | 508 | 1020 |
| 606 | Applied Mathematics | 32 | 157 | 92 | 158 |
| 606 | symbiosis | 7 | 157 | 24 | 44 |
| 608 | Hypertension | 8 | 156 | 953 | 1600 |
| 609 | Ornithology | 23 | 155 | 288 | 549 |
| 609 | food handling | 4 | 155 | 735 | 776 |
| 609 | Grasslands | 10 | 155 | 24 | 15 |
| 612 | Parallel Processing | 2 | 154 | 568 | 398 |
| 612 | Tropical Medicine | 10 | 154 | 997 | 1216 |
| 612 | fusion reactors | 19 | 154 | 162 | 197 |
| 615 | Social policy | 4 | 153 | 872 | 537 |
| 616 | Breeding | 7 | 150 | 771 | 953 |
| 617 | Immunopathology | 8 | 148 | 760 | 1093 |
| 617 | Nanophotonics | 6 | 148 | 205 | 278 |
| 619 | Cheminformatics | 6 | 147 | 164 | 352 |
| 619 | Cell communication | 8 | 147 | 420 | 778 |
| 621 | Primary health care | 12 | 146 | 737 | 1148 |
| 621 | Freezing | 16 | 146 | 92 | 152 |
| 623 | India | 6 | 145 | 1023 | 448 |
| 624 | Ophthalmology | 7 | 144 | 1208 | 1409 |
| 624 | Historic Preservation | 5 | 144 | 69 | 47 |
| 624 | Calculus of Variations | 16 | 144 | 131 | 246 |
| 624 | irrigation | 5 | 144 | 303 | 214 |
| 628 | Industrial Statistics | 4 | 143 | 145 | 40 |
| 629 | drug toxicity | 8 | 142 | 141 | 323 |
| 630 | Microscopy | 11 | 141 | 773 | 939 |
| 631 | global environmental change | 7 | 137 | 485 | 890 |
| 632 | Medical Oncology | 12 | 136 | 848 | 1644 |
| 633 | Histology | 11 | 134 | 980 | 1664 |
| 634 | Social Change | 4 | 131 | 841 | 1069 |
| 634 | Decision making | 11 | 131 | 663 | 1092 |
| 636 | Parasitic Diseases | 10 | 130 | 1157 | 1752 |
| 637 | East Asia | 11 | 129 | 207 | 212 |
| 638 | biological monitoring | 8 | 128 | 218 | 441 |
| 639 | Quantum theory | 13 | 126 | 374 | 653 |
| 640 | Medical Physics | 11 | 125 | 886 | 1468 |
| 640 | Research Design | 16 | 125 | 379 | 1032 |
| 640 | Respiration | 4 | 125 | 1255 | 1314 |
| 640 | Autonomous robots | 2 | 125 | 237 | 188 |
| 644 | Ocean-atmosphere interaction | 16 | 124 | 19 | 23 |
| 644 | Nonlinear mechanics | 11 | 124 | 119 | 263 |
| 646 | Telecommunication Systems | 10 | 123 | 858 | 1082 |
| 646 | Interferons | 2 | 123 | 367 | 208 |
| 646 | multimedia | 5 | 123 | 379 | 500 |
| 646 | Interactive multimedia | 5 | 123 | 446 | 541 |
| 646 | finance | 7 | 123 | 1549 | 1566 |
| 646 | Cytokine | 2 | 123 | 531 | 478 |
| 646 | Cerebral cortex | 3 | 123 | 877 | 872 |
| 653 | Geotechnical Engineering | 7 | 122 | 409 | 564 |
| 654 | Physical Therapy | 2 | 121 | 1547 | 1133 |
| 654 | Biometrics | 9 | 121 | 608 | 814 |
| 656 | Pediatrics | 9 | 120 | 1336 | 2269 |
| 656 | occupational diseases | 5 | 120 | 602 | 794 |
| 656 | cell adhesion molecules | 6 | 120 | 313 | 565 |
| 656 | Genes | 13 | 120 | 438 | 970 |
| 660 | Radiation Oncology | 9 | 119 | 145 | 316 |
| 660 | Gene expression regulation | 3 | 119 | 1005 | 945 |
| 660 | Genetic regulation | 3 | 119 | 1181 | 1239 |
| 663 | DNS | 12 | 118 | 146 | 439 |
| 663 | nuclear magnetic resonance spectroscopy | 14 | 118 | 279 | 515 |
| 663 | carcinogens | 5 | 118 | 764 | 1024 |
| 663 | NMR | 14 | 118 | 143 | 299 |
| 663 | magnetic resonance | 14 | 118 | 151 | 321 |
| 663 | Liquid chromatography | 16 | 118 | 97 | 207 |
| 669 | Diabetes mellitus | 7 | 117 | 1322 | 2126 |
| 669 | Diabetes | 7 | 117 | 1404 | 2199 |
| 671 | Thrombosis | 4 | 116 | 893 | 965 |
| 671 | planning | 2 | 116 | 945 | 442 |
| 671 | Economic planning | 2 | 116 | 612 | 368 |
| 674 | Animal Biotechnology | 16 | 115 | 21 | 135 |
| 674 | Stem cells | 6 | 115 | 1162 | 1585 |
| 676 | human behavior | 7 | 114 | 1540 | 2661 |
| 676 | Learning | 5 | 114 | 978 | 1088 |
| 676 | Forest genetics | 5 | 114 | 206 | 185 |
| 679 | Animal ecology | 9 | 113 | 668 | 994 |
| 680 | Optoelectronics | 14 | 112 | 158 | 222 |
| 680 | Control Theory | 5 | 112 | 1393 | 1267 |
| 682 | carbon monoxide | 3 | 111 | 309 | 378 |
| 683 | Obstetrics | 14 | 110 | 1048 | 1930 |
| 683 | Pharmacogenetics | 2 | 110 | 1259 | 1021 |
| 685 | Graph Theory | 19 | 108 | 200 | 345 |
| 685 | Memory | 5 | 108 | 1352 | 1656 |
| 687 | Bioenergetics | 5 | 107 | 602 | 872 |
| 687 | Structural dynamics | 7 | 107 | 680 | 1065 |
| 687 | Structural design | 8 | 107 | 331 | 522 |
| 687 | Biogeochemical cycles | 6 | 107 | 289 | 624 |
| 687 | Speech Perception | 1 | 107 | 609 | 389 |
| 687 | auditory perception | 1 | 107 | 726 | 443 |
| 687 | Smart Materials | 7 | 107 | 452 | 632 |
| 687 | Oral communication | 1 | 107 | 727 | 306 |
| 687 | Speech | 1 | 107 | 1365 | 792 |
| 696 | Glaciology | 5 | 106 | 159 | 189 |
| 696 | Clinical Immunology | 5 | 106 | 975 | 1206 |
| 696 | Chemical kinetics | 14 | 106 | 208 | 348 |
| 696 | Intelligent Control Systems | 13 | 106 | 363 | 571 |
| 696 | International Finance | 3 | 106 | 1557 | 1325 |
| 696 | glaciers | 5 | 106 | 147 | 189 |
| 696 | herbicides | 4 | 106 | 244 | 222 |
| 703 | Biochemical Genetics | 13 | 105 | 81 | 193 |
| 703 | Green Technology | 5 | 105 | 227 | 301 |
| 705 | Neurotoxicology | 2 | 104 | 722 | 590 |
| 705 | Cytogenetics | 7 | 104 | 985 | 1732 |
| 707 | Nursing | 9 | 103 | 1018 | 1240 |
| 707 | Hydraulic Engineering | 5 | 103 | 875 | 911 |
| 707 | Sales management | 1 | 103 | 364 | 332 |
| 707 | amino acids | 6 | 103 | 349 | 589 |
| 707 | selling | 1 | 103 | 364 | 332 |
| 712 | Radiology | 11 | 102 | 732 | 1071 |
| 712 | Oral Medicine | 12 | 102 | 231 | 412 |
| 712 | forest policy | 3 | 102 | 354 | 288 |
| 715 | Comparative Physiology | 5 | 101 | 591 | 748 |
| 715 | biochemical markers | 11 | 101 | 302 | 702 |
| 717 | Surgery | 5 | 100 | 1443 | 2048 |
| 717 | Human Geography | 6 | 100 | 753 | 802 |
| 717 | Plant breeding | 5 | 100 | 637 | 774 |
| 717 | Psychophysiology | 5 | 100 | 2049 | 2618 |
| 721 | Soil dynamics | 5 | 99 | 353 | 462 |
| 721 | freshwater biology | 4 | 99 | 820 | 848 |
| 723 | Artificial Organs | 3 | 98 | 657 | 457 |
| 723 | Health promotion | 6 | 98 | 955 | 1287 |
| 723 | Parkinson's disease | 1 | 98 | 433 | 258 |
| 723 | infrared technology | 33 | 98 | 21 | 76 |
| 723 | Australia | 10 | 98 | 950 | 1439 |
| 728 | Emergency Medicine | 3 | 97 | 1423 | 1093 |
| 728 | Geodesy | 10 | 97 | 284 | 647 |
| 730 | Philosophy of Mind | 1 | 96 | 496 | 193 |
| 730 | moral development | 1 | 96 | 252 | 101 |
| 730 | animal diseases | 6 | 96 | 306 | 427 |
| 733 | epilepsy | 2 | 95 | 1137 | 833 |
| 733 | Autoantibodies | 3 | 95 | 561 | 679 |
| 733 | Autoimmunity | 3 | 95 | 719 | 901 |
| 736 | Parasitology | 9 | 94 | 1489 | 2107 |
| 737 | Plant Taxonomy | 2 | 92 | 529 | 363 |
| 738 | Gerontology | 7 | 91 | 1289 | 1517 |
| 739 | Scandinavia | 6 | 90 | 484 | 689 |
| 740 | preventive medicine | 2 | 89 | 1489 | 1322 |
| 741 | Optical Communications | 11 | 88 | 358 | 643 |
| 741 | Multivariate Analysis | 6 | 88 | 319 | 403 |
| 741 | stability | 6 | 88 | 23 | 23 |
| 741 | Biomolecules | 6 | 88 | 269 | 613 |
| 745 | Fungi | 3 | 86 | 1048 | 1157 |
| 746 | Drug targeting | 4 | 85 | 222 | 419 |
| 746 | Proteome | 4 | 85 | 1060 | 1430 |
| 746 | bioluminescence | 6 | 85 | 173 | 183 |
| 749 | Neuroplasticity | 8 | 84 | 156 | 470 |
| 749 | DNA | 7 | 84 | 313 | 576 |
| 751 | Medical Technology | 8 | 83 | 1027 | 1872 |
| 751 | Urban Planning | 4 | 83 | 291 | 439 |
| 751 | community development | 4 | 83 | 461 | 517 |
| 751 | Housing | 4 | 83 | 360 | 519 |
| 751 | food industry | 9 | 83 | 204 | 528 |
| 756 | Atomic spectroscopy | 11 | 81 | 573 | 1039 |
| 757 | Robotics | 8 | 79 | 1119 | 1651 |
| 757 | Municipal Engineering | 3 | 79 | 362 | 366 |
| 757 | Technology Assessment | 3 | 79 | 308 | 509 |
| 757 | glycoproteins | 2 | 79 | 589 | 575 |
| 757 | Glycoconjugates | 2 | 79 | 589 | 575 |
| 757 | Oligosaccharides | 2 | 79 | 316 | 301 |
| 757 | glycolipids | 2 | 79 | 589 | 575 |
| 764 | hydrocolloids | 3 | 78 | 581 | 936 |
| 765 | Food Microbiology | 4 | 77 | 1053 | 1671 |
| 765 | Combinatorial chemistry | 11 | 77 | 379 | 1113 |
| 765 | Tourism | 4 | 77 | 1398 | 1733 |
| 768 | Regional Planning | 2 | 76 | 1819 | 1378 |
| 768 | Aerosols | 3 | 76 | 564 | 564 |
| 768 | Adaptive control systems | 1 | 76 | 1013 | 453 |
| 768 | Mechanics | 7 | 76 | 864 | 1029 |
| 768 | particle beams | 7 | 76 | 120 | 181 |
| 773 | Econometrics | 17 | 75 | 519 | 1142 |
| 773 | Nanoelectronics | 10 | 75 | 414 | 651 |
| 773 | Ocean Engineering | 4 | 75 | 1412 | 1703 |
| 773 | international trade | 1 | 75 | 1232 | 600 |
| 773 | Bones | 4 | 75 | 665 | 1061 |
| 778 | Orthopedics | 8 | 74 | 981 | 1606 |
| 778 | Plasma devices | 2 | 74 | 284 | 251 |
| 780 | Lipids | 2 | 73 | 1624 | 1678 |
| 780 | Host-parasite interactions | 6 | 73 | 833 | 1868 |
| 780 | Insects | 7 | 73 | 1014 | 1309 |
| 783 | Computational Linguistics | 5 | 72 | 363 | 331 |
| 783 | Customer service | 2 | 72 | 67 | 30 |
| 783 | World Wide Web | 3 | 72 | 447 | 297 |
| 786 | Orthopedic Surgery | 7 | 71 | 512 | 891 |
| 786 | Bacteriology | 8 | 71 | 1162 | 2393 |
| 786 | Infertility | 2 | 71 | 1065 | 1222 |
| 786 | starch | 3 | 71 | 341 | 349 |
| 786 | Emulsions | 10 | 71 | 109 | 255 |
| 786 | fertility | 2 | 71 | 1139 | 1280 |
| 792 | Reproductive health | 3 | 70 | 790 | 901 |
| 792 | radiocarbon dating | 5 | 70 | 41 | 63 |
| 792 | Cell division | 3 | 70 | 579 | 768 |
| 792 | Calorimetry | 3 | 70 | 1212 | 1087 |
| 792 | Korea | 4 | 70 | 272 | 213 |
| 792 | Evolution equations | 7 | 70 | 36 | 64 |
| 792 | Thermal analysis | 3 | 70 | 1212 | 1087 |
| 799 | Oceanography | 7 | 69 | 1240 | 1838 |
| 799 | Cartography | 7 | 69 | 279 | 317 |
| 799 | sedimentary basins | 4 | 69 | 171 | 280 |
| 799 | Measurement | 6 | 69 | 907 | 1365 |
| 799 | pain management | 4 | 69 | 549 | 672 |
| 804 | embryonic development | 3 | 68 | 405 | 522 |
| 804 | mathematical concepts | 3 | 68 | 408 | 305 |
| 806 | Animal health | 4 | 67 | 374 | 331 |
| 806 | Medical Ethics | 2 | 67 | 1411 | 930 |
| 806 | Mass Spectrometry | 9 | 67 | 677 | 1270 |
| 809 | Enzyme inhibitors | 4 | 66 | 300 | 445 |
| 809 | Functional foods | 4 | 66 | 290 | 485 |
| 811 | Obesity | 4 | 65 | 1748 | 2532 |
| 811 | Porous materials | 4 | 65 | 638 | 694 |
| 813 | Adolescent Medicine | 4 | 64 | 453 | 979 |
| 813 | Agricultural Biotechnology | 4 | 64 | 244 | 145 |
| 813 | food contamination | 8 | 64 | 512 | 1084 |
| 813 | silicon | 5 | 64 | 222 | 277 |
| 817 | Lattice Theory | 8 | 63 | 75 | 82 |
| 817 | Microbial Metabolism | 3 | 63 | 172 | 364 |
| 819 | Education | 3 | 62 | 3838 | 2995 |
| 819 | Materials Engineering | 6 | 62 | 437 | 600 |
| 819 | Flexible electronics | 2 | 62 | 86 | 171 |
| 819 | Semiconductor industry | 9 | 62 | 331 | 582 |
| 819 | Growth | 2 | 62 | 1339 | 1636 |
| 819 | population geography | 2 | 62 | 506 | 434 |
| 825 | Ecophysiology | 2 | 61 | 323 | 288 |
| 825 | Investment analysis | 3 | 61 | 777 | 844 |
| 827 | Psychosomatic Medicine | 3 | 60 | 729 | 1061 |
| 827 | Medical innovations | 3 | 60 | 1019 | 2009 |
| 827 | Soviet Union | 3 | 60 | 749 | 385 |
| 830 | Probiotics | 3 | 59 | 132 | 242 |
| 830 | drainage | 3 | 59 | 400 | 320 |
| 830 | biocatalysis | 1 | 59 | 339 | 510 |
| 830 | Homogeneous catalysis | 1 | 59 | 339 | 510 |
| 830 | Heterogeneous catalysis | 1 | 59 | 339 | 510 |
| 830 | Egypt | 3 | 59 | 453 | 685 |
| 836 | Industry | 3 | 58 | 167 | 527 |
| 837 | Respiratory system | 1 | 57 | 1009 | 856 |
| 838 | Rheumatology | 4 | 56 | 1039 | 1451 |
| 838 | Dietetics | 1 | 56 | 1037 | 654 |
| 838 | structural stability | 4 | 56 | 415 | 566 |
| 838 | phase diagrams | 1 | 56 | 285 | 154 |
| 838 | Dementia | 5 | 56 | 1228 | 1217 |
| 838 | Synapses | 1 | 56 | 488 | 407 |
| 844 | Food service management | 4 | 55 | 280 | 684 |
| 845 | Ethics | 2 | 54 | 1183 | 910 |
| 845 | Ethnology | 7 | 54 | 948 | 1312 |
| 845 | radar | 1 | 54 | 406 | 238 |
| 845 | Sonar | 1 | 54 | 355 | 216 |
| 845 | Steroids | 7 | 54 | 605 | 1248 |
| 845 | Navigation | 1 | 54 | 737 | 353 |
| 851 | Patient education | 1 | 53 | 971 | 867 |
| 851 | counseling | 1 | 53 | 2031 | 1418 |
| 851 | Parasites | 6 | 53 | 1150 | 1858 |
| 851 | commerce | 11 | 53 | 749 | 1643 |
| 855 | Geriatric Nursing | 4 | 52 | 374 | 417 |
| 855 | Serology | 7 | 52 | 260 | 686 |
| 855 | Radio wave propagation | 8 | 52 | 512 | 850 |
| 855 | Heterocyclic compounds | 8 | 52 | 579 | 886 |
| 855 | Catalyst | 1 | 52 | 69 | 119 |
| 860 | mutation | 6 | 51 | 399 | 970 |
| 860 | Health | 5 | 51 | 1685 | 2674 |
| 860 | Mental Health Services | 2 | 51 | 1547 | 1502 |
| 860 | gene therapy | 4 | 51 | 985 | 1646 |
| 860 | Solutions | 8 | 51 | 164 | 390 |
| 860 | Archaea | 1 | 51 | 80 | 95 |
| 860 | human development | 6 | 51 | 537 | 1081 |
| 860 | biological agents | 14 | 51 | 154 | 298 |
| 868 | Polymer Engineering | 1 | 50 | 272 | 96 |
| 868 | Biomarkers | 3 | 50 | 439 | 542 |
| 868 | biological invasions | 1 | 50 | 1033 | 884 |
| 871 | Dentistry | 5 | 49 | 560 | 692 |
| 871 | Urology | 9 | 49 | 1021 | 2076 |
| 871 | Bioethics | 1 | 49 | 1509 | 903 |
| 871 | Leukemia | 1 | 49 | 1531 | 1455 |
| 875 | Proteomics | 3 | 48 | 1200 | 1726 |
| 875 | Cognitive neuroscience | 5 | 48 | 741 | 1305 |
| 875 | Enzyme | 1 | 48 | 880 | 874 |
| 878 | Crop Science | 4 | 47 | 111 | 163 |
| 878 | Morphology | 15 | 47 | 272 | 859 |
| 878 | Bacterial infections | 3 | 47 | 833 | 1498 |
| 878 | heredity | 5 | 47 | 493 | 846 |
| 882 | Development Economics | 4 | 46 | 355 | 583 |
| 882 | Pediatric Neurology | 1 | 46 | 1482 | 1702 |
| 882 | Fluid Dynamics | 12 | 46 | 526 | 1354 |
| 882 | Public Administration | 7 | 46 | 894 | 1292 |
| 882 | Mental Health | 2 | 46 | 2016 | 1955 |
| 882 | emergency management | 1 | 46 | 1554 | 1152 |
| 882 | nuclear magnetic resonance | 4 | 46 | 917 | 1117 |
| 882 | Elementary particles | 2 | 46 | 207 | 330 |
| 890 | Hematopoietic stem cell transplantation | 2 | 45 | 586 | 794 |
| 891 | Developmental Immunology | 4 | 44 | 721 | 1234 |
| 891 | foreign exchange | 1 | 44 | 594 | 555 |
| 891 | Menopause | 1 | 44 | 572 | 450 |
| 894 | Combustion | 3 | 43 | 1218 | 1562 |
| 894 | personality | 3 | 43 | 1359 | 1846 |
| 894 | Chemical processes | 3 | 43 | 647 | 778 |
| 894 | forestry | 2 | 43 | 302 | 354 |
| 894 | clay minerals | 2 | 43 | 362 | 470 |
| 894 | Women's health | 1 | 43 | 2259 | 1716 |
| 900 | Chemical structure | 5 | 42 | 339 | 530 |
| 900 | North America | 2 | 42 | 1053 | 989 |
| 902 | Chemotherapy | 3 | 41 | 1366 | 2020 |
| 902 | Microbial Genetics | 3 | 41 | 343 | 552 |
| 902 | Natural resources | 2 | 41 | 939 | 1147 |
| 902 | Malaria | 1 | 41 | 1233 | 1092 |
| 902 | Finite Element Method | 3 | 41 | 263 | 411 |
| 902 | disease vectors | 4 | 41 | 864 | 1484 |
| 908 | microwave antennas | 5 | 40 | 307 | 482 |
| 908 | locomotion | 1 | 40 | 1019 | 925 |
| 908 | posture | 1 | 40 | 1019 | 925 |
| 908 | Groundwater | 9 | 40 | 357 | 930 |
| 908 | pharmaceutical industry | 2 | 40 | 781 | 818 |
| 908 | gait | 1 | 40 | 1019 | 925 |
| 908 | walking | 1 | 40 | 1019 | 925 |
| 915 | Tissue Engineering | 5 | 39 | 189 | 512 |
| 916 | Depression | 1 | 38 | 632 | 792 |
| 916 | Anxiety Disorders | 1 | 38 | 832 | 1006 |
| 916 | Anxiety | 1 | 38 | 832 | 1000 |
| 916 | phytopathogenic bacteria | 2 | 38 | 331 | 504 |
| 916 | alcoholism | 2 | 38 | 1676 | 1992 |
| 916 | tomography | 2 | 38 | 507 | 464 |
| 916 | venom | 2 | 38 | 955 | 1143 |
| 916 | Toxins | 2 | 38 | 1066 | 1250 |
| 924 | Hydrodynamics | 2 | 37 | 696 | 887 |
| 924 | plant viruses | 4 | 37 | 168 | 368 |
| 924 | Transplantation | 1 | 37 | 1604 | 1640 |
| 927 | Biostatistics | 7 | 36 | 46 | 148 |
| 927 | Higher Education | 1 | 36 | 1052 | 730 |
| 927 | Visual Communication | 3 | 36 | 476 | 588 |
| 927 | Bioavailability | 1 | 36 | 195 | 123 |
| 927 | Image enhancement | 3 | 36 | 337 | 537 |
| 927 | neuronal plasticity | 3 | 36 | 315 | 626 |
| 927 | breastfeeding | 2 | 36 | 639 | 776 |
| 927 | tests | 1 | 36 | 367 | 351 |
| 935 | Geometry | 10 | 35 | 672 | 1069 |
| 935 | Regenerative Medicine | 4 | 35 | 88 | 206 |
| 935 | Digestive system diseases | 3 | 35 | 926 | 1395 |
| 938 | Geriatric Oncology | 3 | 34 | 573 | 1062 |
| 938 | Randomized Controlled Trials | 6 | 34 | 763 | 1516 |
| 938 | Flood control | 1 | 34 | 560 | 389 |
| 938 | hygiene | 3 | 34 | 534 | 881 |
| 942 | Agricultural Engineering | 2 | 33 | 662 | 783 |
| 942 | Neuropsychiatry | 2 | 33 | 1051 | 1369 |
| 942 | Epigenetics | 10 | 33 | 39 | 366 |
| 942 | Neuroimaging | 1 | 33 | 502 | 424 |
| 942 | Discrete Mathematics | 11 | 33 | 87 | 230 |
| 942 | Epigenomics | 10 | 33 | 38 | 358 |
| 942 | Phylogenetics | 3 | 33 | 96 | 164 |
| 942 | analysis | 3 | 33 | 347 | 503 |
| 942 | graph | 11 | 33 | 87 | 230 |
| 942 | Eastern Europe | 6 | 33 | 606 | 893 |
| 942 | Great Lakes | 2 | 33 | 284 | 387 |
| 942 | psychotherapy | 2 | 33 | 1546 | 1714 |
| 942 | mental processes | 1 | 33 | 602 | 479 |
| 942 | Mental illness | 4 | 33 | 1737 | 3103 |
| 942 | Cell metabolism | 2 | 33 | 866 | 1438 |
| 957 | Multiphase Flow | 3 | 32 | 369 | 674 |
| 957 | Child Development | 3 | 32 | 1840 | 2696 |
| 957 | Arthropods | 2 | 32 | 330 | 360 |
| 957 | Aquaculture | 2 | 32 | 1640 | 1916 |
| 961 | Systems Analysis | 2 | 31 | 1378 | 1574 |
| 961 | Dendrochronology | 2 | 31 | 42 | 61 |
| 961 | Neuroimmunology | 4 | 31 | 544 | 1398 |
| 961 | Substance Abuse | 2 | 31 | 1653 | 1977 |
| 961 | antibiotics | 2 | 31 | 319 | 498 |
| 966 | Computer Engineering | 4 | 30 | 868 | 1401 |
| 966 | Clinical Psychology | 2 | 30 | 1603 | 2162 |
| 966 | Wetland ecology | 3 | 30 | 451 | 791 |
| 966 | Food inspection | 1 | 30 | 88 | 67 |
| 966 | Wetland conservation | 3 | 30 | 286 | 603 |
| 966 | Paleopathology | 3 | 30 | 317 | 391 |
| 966 | Quality of life | 4 | 30 | 1303 | 2615 |
| 966 | United Kingdom | 5 | 30 | 1230 | 2359 |
| 966 | food quality | 1 | 30 | 88 | 67 |
| 966 | Wetlands | 3 | 30 | 302 | 604 |
| 976 | Cloud Computing | 2 | 29 | 475 | 672 |
| 976 | Nanomedicine | 3 | 29 | 193 | 589 |
| 976 | Nondestructive testing | 2 | 29 | 878 | 985 |
| 976 | Structural health monitoring | 2 | 29 | 260 | 426 |
| 976 | genre | 2 | 29 | 280 | 293 |
| 981 | Political Science | 1 | 28 | 2669 | 1692 |
| 981 | Neonatology | 1 | 28 | 1062 | 1030 |
| 981 | micromechanics | 2 | 28 | 671 | 891 |
| 981 | Alloys | 2 | 28 | 385 | 297 |
| 981 | disease susceptibility | 5 | 28 | 221 | 776 |
| 981 | natural gas | 1 | 28 | 772 | 767 |
| 981 | symptoms | 5 | 28 | 221 | 776 |
| 988 | Institutional Economics | 1 | 27 | 235 | 135 |
| 988 | Altitude Sickness | 3 | 27 | 121 | 252 |
| 988 | Microcirculation | 1 | 27 | 816 | 872 |
| 988 | Mutagenesis | 2 | 27 | 635 | 901 |
| 988 | Developmental Neurobiology | 1 | 27 | 965 | 882 |
| 988 | Ferroelectricity | 3 | 27 | 1075 | 1218 |
| 988 | Altitude | 3 | 27 | 121 | 252 |
| 988 | Blood vessels | 1 | 27 | 680 | 735 |
| 988 | mutagens | 2 | 27 | 1003 | 1627 |
| 988 | Middle East | 1 | 27 | 1744 | 1172 |
| 988 | Capitalism | 1 | 27 | 380 | 294 |
| 988 | North Africa | 1 | 27 | 374 | 104 |
| 988 | Pregnancy | 4 | 27 | 718 | 1457 |