| 1 | Physics | 6,934 | 681.0K | 24 | 25 |
| 2 | Biology | 3,796 | 527.1K | 48 | 34 |
| 3 | Science | 3,228 | 475.5K | 65 | 41 |
| 4 | Chemistry | 6,451 | 460.4K | 9 | 14 |
| 5 | Natural history | 752 | 296.1K | 68 | 34 |
| 6 | Molecular Biology | 2,066 | 184.7K | 69 | 55 |
| 7 | Biotechnology | 1,613 | 143.7K | 17 | 8 |
| 8 | Ecology | 1,703 | 137.4K | 42 | 34 |
| 9 | Nanotechnology | 1,704 | 136.8K | 31 | 23 |
| 10 | Pollution | 1,470 | 134.1K | 15 | 6 |
| 11 | Geophysics | 2,571 | 133.5K | 12 | 11 |
| 12 | Biochemistry | 2,281 | 131.7K | 126 | 86 |
| 13 | Microbiology | 1,499 | 125.0K | 61 | 46 |
| 14 | Astronomy | 1,814 | 119.7K | 53 | 57 |
| 15 | Materials | 1,671 | 118.2K | 74 | 48 |
| 16 | Environmental Health | 1,239 | 116.1K | 13 | 5 |
| 17 | Condensed Matter | 2,260 | 109.1K | 25 | 27 |
| 18 | Cytology | 813 | 105.0K | 85 | 71 |
| 19 | Bioengineering | 1,001 | 104.2K | 15 | 11 |
| 20 | Astrophysics | 1,309 | 102.8K | 78 | 74 |
| 21 | Cell Biology | 706 | 102.8K | 81 | 69 |
| 22 | Environmental Engineering | 995 | 96.3K | 8 | 3 |
| 23 | Medicine | 1,458 | 85.5K | 205 | 174 |
| 24 | sanitation | 795 | 81.5K | 2 | 2 |
| 25 | Catalysis | 1,370 | 80.3K | 14 | 8 |
| 26 | Solid State Physics | 2,296 | 79.2K | 25 | 36 |
| 27 | Environment | 777 | 77.6K | 50 | 29 |
| 28 | Neurology | 799 | 71.6K | 182 | 130 |
| 29 | Research | 1,344 | 67.4K | 136 | 96 |
| 30 | Materials Science | 1,019 | 65.5K | 72 | 47 |
| 31 | Nuclear Physics | 1,746 | 65.0K | 100 | 105 |
| 32 | Artificial Intelligence | 543 | 61.6K | 53 | 14 |
| 33 | Geology | 1,108 | 61.2K | 20 | 17 |
| 34 | Computational Biology | 483 | 60.6K | 14 | 10 |
| 35 | Earth Sciences | 618 | 58.3K | 16 | 4 |
| 36 | Chemical Engineering | 1,083 | 57.6K | 36 | 30 |
| 37 | Spectrum analysis | 784 | 57.3K | 65 | 51 |
| 38 | Biomedical Engineering | 1,041 | 54.4K | 17 | 12 |
| 39 | Biocompatible Materials | 747 | 52.5K | 51 | 36 |
| 40 | miniaturization | 507 | 52.5K | 10 | 12 |
| 41 | Optics | 1,496 | 52.4K | 32 | 18 |
| 42 | Computer Graphics | 674 | 51.1K | 5 | 4 |
| 43 | Geochemistry | 869 | 50.4K | 8 | 10 |
| 44 | Virology | 231 | 49.9K | 198 | 97 |
| 45 | Meteorology | 616 | 48.7K | 39 | 27 |
| 46 | Water | 576 | 48.4K | 10 | 6 |
| 47 | Biochemical Engineering | 373 | 47.5K | 59 | 22 |
| 48 | Atmospheric Physics | 716 | 47.2K | 14 | 15 |
| 49 | Electronics | 854 | 46.8K | 34 | 9 |
| 50 | Planets | 777 | 45.4K | 19 | 13 |
| 51 | Environmental Policy | 445 | 45.3K | 11 | 7 |
| 52 | Colloids | 874 | 45.0K | 13 | 9 |
| 53 | Microelectronics | 455 | 43.9K | 13 | 11 |
| 54 | Botany | 673 | 43.7K | 90 | 63 |
| 55 | Biophysics | 794 | 43.0K | 124 | 72 |
| 56 | Technology | 801 | 41.5K | 15 | 9 |
| 57 | Image Processing | 327 | 41.2K | 44 | 11 |
| 58 | nanoscience | 505 | 40.0K | 45 | 32 |
| 59 | Bioinformatics | 296 | 39.8K | 23 | 18 |
| 60 | Surface Chemistry | 732 | 39.2K | 19 | 10 |
| 61 | Water pollution | 401 | 39.2K | 19 | 8 |
| 62 | Signal Processing | 430 | 37.7K | 61 | 27 |
| 63 | genome | 211 | 36.7K | 27 | 28 |
| 64 | Immunology | 369 | 36.5K | 219 | 139 |
| 65 | Polymers | 884 | 35.7K | 78 | 61 |
| 66 | Telecommunication | 404 | 35.2K | 53 | 27 |
| 67 | Meteorites | 465 | 34.5K | 9 | 9 |
| 68 | Statistical physics | 974 | 34.4K | 35 | 39 |
| 69 | Climatology | 470 | 33.6K | 23 | 17 |
| 70 | Analytical Chemistry | 636 | 33.6K | 61 | 29 |
| 71 | Microbial Ecology | 419 | 32.9K | 24 | 36 |
| 72 | Atmospheric Chemistry | 497 | 32.3K | 13 | 21 |
| 73 | biological evolution | 255 | 31.9K | 56 | 38 |
| 74 | Neurophysiology | 413 | 31.9K | 104 | 93 |
| 75 | Electrochemistry | 623 | 31.7K | 57 | 13 |
| 76 | environmental pollution | 503 | 31.2K | 58 | 31 |
| 77 | Evolution | 223 | 30.6K | 66 | 17 |
| 78 | Computer Vision | 215 | 30.5K | 5 | 9 |
| 79 | Photonics | 375 | 30.1K | 39 | 9 |
| 80 | Automation | 348 | 29.5K | 43 | 24 |
| 81 | Molecular structure | 306 | 29.1K | 17 | 16 |
| 82 | Robotics | 344 | 28.7K | 10 | 3 |
| 83 | Genetics | 436 | 28.7K | 135 | 158 |
| 84 | Immunity | 194 | 28.4K | 95 | 86 |
| 85 | Biodiversity | 389 | 27.0K | 10 | 5 |
| 86 | Hydrology | 495 | 26.5K | 15 | 11 |
| 87 | Environmental Chemistry | 250 | 26.2K | 21 | 12 |
| 88 | plant molecular biology | 173 | 25.9K | 62 | 34 |
| 89 | Biodiversity conservation | 248 | 25.7K | 24 | 21 |
| 90 | Physical Chemistry | 294 | 25.4K | 35 | 15 |
| 91 | Genetic algorithms | 35 | 25.3K | 24 | 1 |
| 92 | Evolutionary Computation | 33 | 25.2K | 41 | 2 |
| 93 | Pharmaceutical Chemistry | 373 | 24.0K | 102 | 54 |
| 94 | Plant physiology | 178 | 23.3K | 93 | 30 |
| 95 | Information Theory | 328 | 23.2K | 17 | 18 |
| 96 | Energy Policy | 261 | 23.1K | 34 | 14 |
| 97 | Environmental monitoring | 329 | 22.2K | 44 | 24 |
| 98 | energy conservation | 275 | 22.2K | 27 | 18 |
| 99 | Climate change | 178 | 21.7K | 11 | 17 |
| 100 | Eutrophication | 175 | 21.7K | 11 | 17 |
| 101 | Nanostructured Materials | 469 | 21.6K | 68 | 65 |
| 102 | Medical Laboratory Science | 219 | 21.4K | 42 | 14 |
| 103 | Mathematics | 1,351 | 21.3K | 65 | 61 |
| 104 | Pharmacology | 316 | 21.1K | 399 | 162 |
| 105 | Energy Conversion | 121 | 20.7K | 71 | 31 |
| 106 | Power Electronics | 240 | 20.1K | 21 | 9 |
| 107 | Optical materials | 323 | 19.9K | 75 | 64 |
| 108 | Renewable Energy Sources | 186 | 19.7K | 49 | 43 |
| 109 | Light | 74 | 19.4K | 48 | 6 |
| 110 | Nanostructures | 186 | 19.3K | 34 | 27 |
| 111 | polymerization | 511 | 19.1K | 129 | 109 |
| 112 | Mathematical Physics | 470 | 19.0K | 40 | 33 |
| 113 | Radio | 174 | 18.7K | 74 | 24 |
| 114 | nuclear magnetic resonance | 364 | 18.4K | 4 | 6 |
| 115 | Metals | 230 | 18.4K | 79 | 47 |
| 116 | Plant cells | 200 | 18.3K | 51 | 82 |
| 117 | Economics | 448 | 18.1K | 123 | 110 |
| 118 | soil microbiology | 257 | 18.1K | 24 | 25 |
| 119 | Engineering | 489 | 18.0K | 43 | 32 |
| 120 | concrete | 195 | 17.9K | 11 | 10 |
| 121 | Nonlinear Dynamics | 498 | 17.9K | 19 | 22 |
| 122 | Physiology | 317 | 17.7K | 223 | 171 |
| 123 | Psychophysiology | 268 | 17.7K | 165 | 118 |
| 124 | Metallurgy | 318 | 17.5K | 70 | 52 |
| 125 | Toxicology | 368 | 17.0K | 137 | 95 |
| 126 | Product life cycle | 154 | 16.9K | 1 | 1 |
| 126 | green products | 154 | 16.9K | 1 | 1 |
| 128 | Electrical Engineering | 717 | 16.7K | 42 | 23 |
| 129 | Developmental Biology | 225 | 16.6K | 109 | 114 |
| 130 | Composite Materials | 325 | 16.2K | 64 | 67 |
| 131 | Metabolism | 211 | 16.1K | 168 | 141 |
| 132 | energy resources | 172 | 15.4K | 10 | 10 |
| 133 | Proteome | 139 | 15.3K | 22 | 9 |
| 134 | atmospheric models | 186 | 15.3K | 14 | 10 |
| 135 | Biogeochemistry | 272 | 15.2K | 8 | 13 |
| 136 | water supply | 268 | 15.1K | 5 | 10 |
| 137 | Bacteriology | 217 | 15.1K | 72 | 77 |
| 138 | Cement | 138 | 14.9K | 10 | 6 |
| 139 | Organic Chemistry | 223 | 14.8K | 145 | 43 |
| 140 | Nutrition | 252 | 14.8K | 231 | 166 |
| 141 | Bioorganic chemistry | 172 | 14.8K | 134 | 29 |
| 142 | Host-parasite interactions | 124 | 14.7K | 49 | 42 |
| 143 | Plants | 209 | 14.6K | 60 | 73 |
| 144 | Transportation | 337 | 14.5K | 30 | 24 |
| 145 | Magnetic Resonance Spectroscopy | 256 | 14.2K | 9 | 5 |
| 146 | Medical Physics | 255 | 14.2K | 63 | 33 |
| 147 | actuators | 276 | 13.9K | 24 | 15 |
| 147 | transducers | 276 | 13.9K | 24 | 15 |
| 149 | Mineralogy | 257 | 13.8K | 20 | 16 |
| 150 | Agriculture | 191 | 13.4K | 74 | 27 |
| 151 | Petrology | 251 | 13.4K | 13 | 20 |
| 152 | Plant diseases | 250 | 13.4K | 58 | 36 |
| 153 | Data Mining | 111 | 13.1K | 14 | 36 |
| 154 | Brain | 182 | 12.7K | 210 | 140 |
| 155 | Proteomics | 118 | 12.6K | 11 | 5 |
| 156 | Quantum Gravity | 296 | 12.6K | 198 | 162 |
| 157 | Environmental Management | 174 | 12.5K | 63 | 25 |
| 158 | nucleic acids | 199 | 12.4K | 59 | 127 |
| 159 | Computational Chemistry | 81 | 12.3K | 5 | 21 |
| 160 | Soil Science | 279 | 12.2K | 51 | 49 |
| 161 | management | 146 | 11.9K | 279 | 202 |
| 162 | Plant Ecology | 244 | 11.9K | 13 | 31 |
| 163 | environmental protection | 165 | 11.9K | 123 | 49 |
| 164 | Neurobiology | 158 | 11.6K | 110 | 102 |
| 165 | Sustainable Development | 154 | 11.6K | 23 | 20 |
| 166 | Cancer | 160 | 11.3K | 358 | 271 |
| 167 | Quantum electronics | 259 | 11.3K | 31 | 16 |
| 168 | Biomechanics | 195 | 11.3K | 23 | 23 |
| 169 | Psychiatry | 147 | 11.1K | 450 | 321 |
| 170 | Diet | 140 | 11.1K | 137 | 95 |
| 171 | Industrial Microbiology | 148 | 10.9K | 40 | 20 |
| 172 | Green Chemistry | 189 | 10.8K | 39 | 43 |
| 173 | data collection | 70 | 10.7K | 13 | 33 |
| 174 | Virulence | 109 | 10.6K | 53 | 40 |
| 175 | Nervous system | 141 | 10.6K | 181 | 140 |
| 176 | Psychology | 140 | 10.6K | 576 | 316 |
| 177 | transport vesicles | 6 | 10.4K | 100 | 77 |
| 178 | Molecules | 224 | 10.4K | 9 | 10 |
| 179 | Fluid Mechanics | 153 | 10.4K | 73 | 22 |
| 180 | global environmental change | 133 | 10.3K | 9 | 6 |
| 181 | human behavior | 168 | 10.3K | 119 | 126 |
| 182 | Behavior | 171 | 10.2K | 230 | 190 |
| 183 | proteins | 196 | 10.1K | 56 | 52 |
| 184 | Food | 156 | 10.1K | 156 | 80 |
| 185 | computer networks | 195 | 10.0K | 81 | 40 |
| 186 | Earthquake Engineering | 294 | 9.9K | 23 | 26 |
| 187 | Combinatorial chemistry | 143 | 9.7K | 9 | 12 |
| 187 | Microscopy | 160 | 9.7K | 31 | 14 |
| 189 | United States | 236 | 9.5K | 329 | 281 |
| 190 | Control Theory | 186 | 9.5K | 59 | 31 |
| 191 | Public Health | 148 | 9.4K | 572 | 358 |
| 192 | Photochemistry | 59 | 9.4K | 143 | 6 |
| 193 | Immune system | 44 | 9.1K | 146 | 109 |
| 194 | Human genetics | 70 | 9.1K | 382 | 500 |
| 195 | Oceanography | 145 | 9.1K | 160 | 114 |
| 196 | Agricultural Ecology | 147 | 8.9K | 27 | 24 |
| 197 | Genomics | 189 | 8.8K | 152 | 139 |
| 198 | Economic Development | 111 | 8.7K | 70 | 42 |
| 199 | Wireless Communication Systems | 149 | 8.7K | 172 | 98 |
| 200 | Neurons | 57 | 8.6K | 83 | 116 |
| 201 | Nanoparticles | 189 | 8.6K | 47 | 53 |
| 202 | Animal Behavior | 125 | 8.5K | 193 | 132 |
| 203 | Computer Science | 142 | 8.5K | 37 | 7 |
| 204 | Environmental Microbiology | 118 | 8.5K | 22 | 28 |
| 205 | Molecular Genetics | 130 | 8.4K | 111 | 97 |
| 206 | Seismology | 175 | 8.3K | 10 | 9 |
| 207 | biopolymers | 225 | 8.3K | 5 | 8 |
| 208 | Soil biology | 120 | 8.3K | 41 | 46 |
| 209 | Bones | 81 | 8.3K | 29 | 9 |
| 210 | Photobiology | 46 | 8.3K | 97 | 3 |
| 211 | Soft Condensed Matter | 228 | 8.2K | 5 | 7 |
| 212 | Engineering Geology | 218 | 8.2K | 26 | 33 |
| 213 | cell physiology | 108 | 8.2K | 97 | 86 |
| 214 | Ethology | 109 | 8.2K | 146 | 106 |
| 215 | lasers | 255 | 8.2K | 50 | 29 |
| 216 | Ceramics | 103 | 8.1K | 93 | 35 |
| 217 | Embryology | 116 | 8.1K | 140 | 134 |
| 218 | Cell differentiation | 110 | 8.1K | 162 | 194 |
| 219 | Glass | 98 | 8.1K | 78 | 33 |
| 219 | pottery | 98 | 8.1K | 76 | 33 |
| 221 | Statistics | 192 | 8.0K | 153 | 128 |
| 222 | Diagnostic Imaging | 172 | 8.0K | 64 | 56 |
| 223 | Biogeochemical cycles | 99 | 7.9K | 7 | 15 |
| 224 | Population Genetics | 126 | 7.9K | 49 | 57 |
| 225 | Geomagnetism | 224 | 7.8K | 7 | 5 |
| 226 | Solid State Chemistry | 280 | 7.8K | 36 | 40 |
| 227 | Mass Spectrometry | 151 | 7.8K | 14 | 12 |
| 228 | Neuropsychology | 132 | 7.8K | 186 | 109 |
| 229 | Molecular ecology | 116 | 7.8K | 40 | 56 |
| 230 | Rock Mechanics | 163 | 7.7K | 26 | 27 |
| 231 | Hydraulic Engineering | 265 | 7.7K | 10 | 15 |
| 232 | Genetic engineering | 119 | 7.6K | 97 | 66 |
| 233 | Geodynamics | 163 | 7.6K | 18 | 16 |
| 234 | Anatomy | 105 | 7.6K | 186 | 122 |
| 235 | Endocrinology | 82 | 7.6K | 498 | 339 |
| 236 | Cheminformatics | 44 | 7.5K | 4 | 2 |
| 237 | Europe | 223 | 7.4K | 142 | 87 |
| 238 | Hematology | 94 | 7.4K | 532 | 339 |
| 239 | Political Science | 134 | 7.4K | 140 | 71 |
| 240 | Numerical Analysis | 242 | 7.3K | 19 | 20 |
| 241 | Growth | 89 | 7.2K | 123 | 139 |
| 242 | Solar Energy | 135 | 7.2K | 25 | 19 |
| 243 | Manufacturing Processes | 288 | 7.2K | 45 | 56 |
| 244 | Histology | 107 | 7.1K | 125 | 72 |
| 245 | Environmental Law | 53 | 7.0K | 97 | 37 |
| 246 | Sustainable Engineering | 151 | 7.0K | 34 | 37 |
| 247 | Metabolic diseases | 67 | 6.8K | 379 | 265 |
| 248 | mass transfer | 120 | 6.7K | 84 | 48 |
| 249 | Soil Mechanics | 156 | 6.6K | 43 | 52 |
| 250 | Neurochemistry | 112 | 6.6K | 261 | 197 |
| 251 | Industrial Engineering | 215 | 6.5K | 31 | 35 |
| 252 | Radiography | 61 | 6.5K | 91 | 46 |
| 253 | Entomology | 182 | 6.5K | 112 | 66 |
| 254 | United Kingdom | 76 | 6.4K | 181 | 84 |
| 255 | sustainability | 69 | 6.4K | 13 | 16 |
| 256 | Structural Engineering | 217 | 6.3K | 57 | 63 |
| 257 | Mobile Computing | 118 | 6.3K | 29 | 12 |
| 257 | Clinical Chemistry | 124 | 6.3K | 257 | 192 |
| 259 | Medical Microbiology | 61 | 6.3K | 367 | 208 |
| 260 | Sociology | 96 | 6.3K | 342 | 193 |
| 261 | Atomic spectroscopy | 131 | 6.2K | 11 | 9 |
| 262 | Risk | 79 | 6.2K | 9 | 11 |
| 263 | Cognitive Science | 47 | 6.2K | 190 | 77 |
| 264 | Risk Management | 76 | 6.1K | 10 | 6 |
| 265 | gene mapping | 120 | 6.0K | 102 | 146 |
| 266 | plant communities | 122 | 6.0K | 25 | 55 |
| 267 | Geography | 179 | 6.0K | 127 | 131 |
| 268 | Probability | 93 | 6.0K | 10 | 7 |
| 269 | Structural dynamics | 162 | 6.0K | 26 | 41 |
| 270 | Geomorphology | 151 | 5.9K | 19 | 37 |
| 271 | Bacterial infections | 43 | 5.9K | 70 | 45 |
| 272 | feeding behavior | 59 | 5.9K | 40 | 15 |
| 273 | mycoses | 58 | 5.8K | 31 | 42 |
| 274 | nuclear magnetic resonance spectroscopy | 152 | 5.8K | 4 | 9 |
| 275 | Appetite | 56 | 5.8K | 31 | 11 |
| 276 | Psychopharmacology | 91 | 5.8K | 135 | 126 |
| 277 | Combustion | 167 | 5.8K | 54 | 62 |
| 278 | Database Management | 166 | 5.7K | 19 | 31 |
| 279 | Engineering Mathematics | 116 | 5.7K | 145 | 38 |
| 280 | cryosphere | 130 | 5.7K | 6 | 12 |
| 281 | Fluid Dynamics | 152 | 5.6K | 22 | 17 |
| 282 | Financial management | 65 | 5.6K | 9 | 6 |
| 283 | Immunotherapy | 50 | 5.6K | 277 | 150 |
| 284 | fuel cells | 89 | 5.5K | 88 | 103 |
| 285 | viruses | 75 | 5.5K | 214 | 179 |
| 286 | Oncology | 29 | 5.4K | 605 | 368 |
| 287 | Economic History | 153 | 5.4K | 230 | 111 |
| 288 | Ocean Engineering | 153 | 5.3K | 72 | 68 |
| 289 | Quantum Optics | 102 | 5.2K | 15 | 13 |
| 290 | Mycology | 121 | 5.1K | 82 | 70 |
| 291 | Water quality management | 100 | 5.1K | 84 | 24 |
| 292 | Biogeography | 89 | 5.1K | 29 | 54 |
| 293 | Biosensors | 79 | 5.1K | 67 | 50 |
| 293 | Medical innovations | 49 | 5.1K | 85 | 85 |
| 295 | biological monitoring | 85 | 5.1K | 5 | 3 |
| 296 | Allergy | 41 | 5.1K | 201 | 183 |
| 297 | Radiation | 110 | 5.1K | 108 | 47 |
| 298 | biological factors | 85 | 5.0K | 87 | 39 |
| 299 | Forest Ecology | 119 | 5.0K | 41 | 49 |
| 300 | Decision making | 57 | 5.0K | 126 | 58 |
| 301 | Energy Storage | 72 | 5.0K | 94 | 50 |
| 302 | Operations Research | 160 | 5.0K | 84 | 127 |
| 303 | Laser Spectroscopy | 89 | 5.0K | 22 | 14 |
| 304 | Drug delivery systems | 44 | 4.8K | 169 | 74 |
| 305 | Electromagnetic compatibility | 121 | 4.8K | 2 | 2 |
| 306 | Mental Disorders | 73 | 4.8K | 444 | 374 |
| 307 | Information Science | 114 | 4.8K | 126 | 114 |
| 308 | protein | 109 | 4.7K | 46 | 79 |
| 309 | energy development | 43 | 4.7K | 35 | 46 |
| 310 | Waste management | 77 | 4.7K | 57 | 12 |
| 311 | Drug design | 61 | 4.7K | 114 | 41 |
| 312 | Water Purification | 76 | 4.7K | 37 | 9 |
| 313 | peace | 72 | 4.7K | 14 | 12 |
| 314 | Quantum theory | 126 | 4.6K | 8 | 4 |
| 315 | economic policy | 125 | 4.6K | 112 | 61 |
| 316 | natural disasters | 119 | 4.6K | 10 | 11 |
| 317 | Econometrics | 72 | 4.6K | 136 | 109 |
| 318 | Forest Management | 103 | 4.6K | 58 | 56 |
| 319 | drug development | 38 | 4.5K | 112 | 89 |
| 320 | Developing countries | 82 | 4.5K | 183 | 102 |
| 321 | probabilities | 180 | 4.5K | 24 | 7 |
| 322 | Hydrogeology | 99 | 4.5K | 16 | 8 |
| 323 | Natural resources | 114 | 4.5K | 9 | 15 |
| 324 | Cell metabolism | 33 | 4.5K | 60 | 96 |
| 325 | Chromosome mapping | 99 | 4.5K | 103 | 130 |
| 326 | Homeostasis | 32 | 4.5K | 46 | 96 |
| 327 | visualization | 161 | 4.4K | 49 | 18 |
| 328 | Medical genetics | 69 | 4.4K | 527 | 496 |
| 329 | Information Technology | 69 | 4.4K | 208 | 102 |
| 330 | ecosystem | 85 | 4.4K | 58 | 88 |
| 331 | enzymes | 106 | 4.4K | 61 | 57 |
| 332 | Microwaves | 129 | 4.4K | 86 | 59 |
| 333 | System analysis | 167 | 4.4K | 71 | 91 |
| 334 | Databases | 121 | 4.3K | 13 | 19 |
| 335 | Food preferences | 53 | 4.3K | 14 | 7 |
| 336 | Marine Biology | 67 | 4.3K | 470 | 266 |
| 337 | Fiber Optics | 85 | 4.3K | 75 | 41 |
| 338 | Paleoclimatology | 80 | 4.2K | 66 | 48 |
| 339 | Memory | 96 | 4.2K | 185 | 168 |
| 340 | Wildlife conservation | 44 | 4.1K | 170 | 86 |
| 341 | Pharmacy | 112 | 4.1K | 148 | 119 |
| 342 | Production Management | 45 | 4.1K | 129 | 92 |
| 343 | Earthquakes | 126 | 4.0K | 7 | 7 |
| 344 | Membranes | 76 | 4.0K | 203 | 184 |
| 345 | rehabilitation | 69 | 4.0K | 263 | 172 |
| 346 | Molecular evolution | 87 | 4.0K | 103 | 163 |
| 347 | Recycling | 58 | 4.0K | 15 | 16 |
| 348 | Building Materials | 84 | 3.9K | 155 | 165 |
| 349 | Molecular Microbiology | 53 | 3.9K | 112 | 121 |
| 350 | Semiconductors | 136 | 3.9K | 86 | 45 |
| 351 | world | 60 | 3.9K | 39 | 36 |
| 352 | Fracture mechanics | 85 | 3.9K | 115 | 58 |
| 353 | Photogrammetry | 147 | 3.9K | 15 | 2 |
| 354 | Autonomous robots | 39 | 3.8K | 6 | 4 |
| 355 | Production Engineering | 215 | 3.8K | 46 | 68 |
| 356 | Bioelectronics | 55 | 3.8K | 73 | 74 |
| 357 | Environmental Psychology | 25 | 3.7K | 23 | 15 |
| 358 | Systems Biology | 129 | 3.7K | 28 | 44 |
| 359 | Fungi | 90 | 3.7K | 46 | 81 |
| 360 | Aerosols | 98 | 3.7K | 16 | 20 |
| 361 | Agronomy | 37 | 3.7K | 79 | 49 |
| 362 | Perception | 92 | 3.7K | 208 | 177 |
| 363 | emergency management | 88 | 3.6K | 4 | 7 |
| 364 | Crystallography | 165 | 3.6K | 38 | 65 |
| 365 | Organometallic compounds | 91 | 3.6K | 49 | 44 |
| 366 | Paleoecology | 59 | 3.6K | 106 | 50 |
| 367 | organization | 23 | 3.6K | 186 | 115 |
| 368 | Attention | 88 | 3.6K | 179 | 133 |
| 369 | Pathology | 55 | 3.6K | 447 | 331 |
| 370 | Visual Perception | 88 | 3.6K | 167 | 129 |
| 371 | Crystal growth | 94 | 3.5K | 23 | 27 |
| 372 | environmental issues | 41 | 3.5K | 19 | 3 |
| 373 | finance | 82 | 3.5K | 233 | 171 |
| 374 | Informatics | 75 | 3.5K | 14 | 31 |
| 375 | Environmental Toxicology | 54 | 3.5K | 300 | 214 |
| 376 | Business | 51 | 3.4K | 331 | 281 |
| 377 | Agricultural Chemistry | 67 | 3.4K | 311 | 216 |
| 378 | Ferroelectricity | 174 | 3.4K | 17 | 20 |
| 379 | Breeding | 61 | 3.4K | 133 | 89 |
| 380 | Industrial Safety | 58 | 3.3K | 64 | 34 |
| 381 | biocatalysis | 25 | 3.3K | 6 | 28 |
| 381 | Homogeneous catalysis | 25 | 3.3K | 6 | 28 |
| 381 | Heterogeneous catalysis | 25 | 3.3K | 6 | 28 |
| 384 | drugs | 80 | 3.3K | 197 | 145 |
| 385 | city planning | 121 | 3.3K | 71 | 91 |
| 386 | Remote Sensing | 168 | 3.3K | 26 | 27 |
| 387 | Energy Harvesting | 24 | 3.3K | 92 | 54 |
| 388 | Computer-Aided Design | 92 | 3.3K | 38 | 38 |
| 389 | international cooperation | 45 | 3.3K | 36 | 11 |
| 390 | Photography | 412 | 3.2K | 51 | 19 |
| 391 | Cybernetics | 64 | 3.2K | 172 | 180 |
| 392 | natural products | 44 | 3.2K | 255 | 87 |
| 393 | International Relations | 97 | 3.2K | 76 | 40 |
| 393 | Groundwater | 76 | 3.2K | 33 | 18 |
| 395 | Biomass Energy | 46 | 3.2K | 471 | 355 |
| 396 | Mental illness | 47 | 3.2K | 389 | 325 |
| 397 | Roads | 131 | 3.2K | 42 | 31 |
| 398 | Paleogeography | 49 | 3.2K | 103 | 47 |
| 399 | Process Control | 41 | 3.1K | 63 | 49 |
| 400 | solar cells | 36 | 3.1K | 89 | 38 |
| 401 | Mining Engineering | 45 | 3.0K | 47 | 28 |
| 402 | Diabetes | 39 | 3.0K | 500 | 380 |
| 403 | Bioinorganic chemistry | 87 | 3.0K | 84 | 53 |
| 404 | Environmental pollutants | 99 | 3.0K | 115 | 169 |
| 404 | coal | 55 | 3.0K | 187 | 133 |
| 406 | Radio waves | 44 | 3.0K | 181 | 107 |
| 407 | Cognitive neuroscience | 47 | 2.9K | 163 | 194 |
| 408 | Ultrasonics | 80 | 2.9K | 55 | 63 |
| 409 | Mechatronics | 80 | 2.9K | 29 | 30 |
| 410 | Human-Computer Interaction | 97 | 2.9K | 33 | 59 |
| 411 | Magnetic Resonance Imaging | 73 | 2.9K | 22 | 26 |
| 412 | Cytogenetics | 42 | 2.9K | 275 | 283 |
| 413 | Ceramic materials | 82 | 2.9K | 72 | 58 |
| 414 | Pharmacognosy | 46 | 2.9K | 262 | 155 |
| 415 | Fisheries | 59 | 2.9K | 219 | 139 |
| 416 | Molecular Spectroscopy | 86 | 2.9K | 77 | 58 |
| 417 | Detectors | 81 | 2.9K | 82 | 38 |
| 418 | Ore deposits | 45 | 2.8K | 58 | 26 |
| 419 | Multimedia Systems | 70 | 2.8K | 133 | 66 |
| 420 | Pharmacogenetics | 43 | 2.8K | 91 | 55 |
| 421 | weather | 100 | 2.8K | 2 | 4 |
| 422 | Electrochemical Analysis | 45 | 2.8K | 208 | 92 |
| 423 | Diabetes mellitus | 31 | 2.8K | 536 | 378 |
| 424 | Dynamics | 101 | 2.8K | 66 | 41 |
| 425 | Geodesy | 77 | 2.7K | 29 | 19 |
| 426 | pollutants | 89 | 2.7K | 100 | 152 |
| 427 | Geothermal Energy | 48 | 2.7K | 10 | 4 |
| 428 | warfare | 34 | 2.7K | 30 | 16 |
| 429 | Biopharmaceutics | 33 | 2.7K | 173 | 54 |
| 430 | Nuclear Medicine | 62 | 2.7K | 126 | 101 |
| 431 | War and Society | 33 | 2.7K | 20 | 14 |
| 432 | Neural circuitry | 56 | 2.7K | 190 | 144 |
| 433 | Public Policy | 39 | 2.7K | 313 | 140 |
| 434 | Environmental Economics | 36 | 2.7K | 12 | 15 |
| 435 | Cosmochemistry | 84 | 2.6K | 35 | 58 |
| 436 | Zeolites | 38 | 2.6K | 86 | 31 |
| 437 | Hazardous waste | 32 | 2.6K | 73 | 34 |
| 438 | Social Sciences | 100 | 2.6K | 371 | 275 |
| 439 | Hydrodynamics | 70 | 2.6K | 23 | 28 |
| 440 | Multiphase Flow | 57 | 2.6K | 7 | 14 |
| 441 | Tribology | 60 | 2.6K | 114 | 61 |
| 442 | Medical Technology | 61 | 2.6K | 110 | 78 |
| 443 | Electrophysiology | 75 | 2.6K | 69 | 38 |
| 444 | Stochastic Processes | 80 | 2.6K | 8 | 6 |
| 445 | glycoproteins | 32 | 2.6K | 44 | 23 |
| 445 | Glycoconjugates | 32 | 2.6K | 44 | 23 |
| 445 | glycolipids | 32 | 2.6K | 44 | 23 |
| 448 | Geochemical Modeling | 47 | 2.6K | 21 | 26 |
| 448 | geological modeling | 47 | 2.6K | 23 | 26 |
| 450 | mathematical analysis | 152 | 2.6K | 144 | 125 |
| 451 | Mechanical Engineering | 115 | 2.5K | 171 | 145 |
| 452 | Zoology | 60 | 2.5K | 441 | 265 |
| 453 | Group decision making | 26 | 2.5K | 46 | 5 |
| 453 | Microorganisms | 39 | 2.5K | 111 | 148 |
| 455 | Pediatric Neurology | 17 | 2.5K | 354 | 239 |
| 456 | Public Choice | 25 | 2.5K | 39 | 3 |
| 457 | radioactive waste | 30 | 2.5K | 54 | 34 |
| 457 | industrial waste | 30 | 2.5K | 60 | 34 |
| 459 | infection | 50 | 2.5K | 229 | 185 |
| 459 | wood | 95 | 2.5K | 22 | 13 |
| 461 | Industrial Ecology | 54 | 2.5K | 4 | 7 |
| 462 | Lightweight concrete | 30 | 2.5K | 47 | 41 |
| 463 | particles | 76 | 2.5K | 24 | 14 |
| 464 | Carbohydrates | 32 | 2.5K | 34 | 21 |
| 465 | Developmental Genetics | 26 | 2.5K | 141 | 159 |
| 466 | Planetary Science | 100 | 2.5K | 23 | 29 |
| 467 | Intelligent Transportation Systems | 70 | 2.5K | 77 | 101 |
| 468 | Food Microbiology | 41 | 2.5K | 179 | 137 |
| 469 | Psychoneuroimmunology | 32 | 2.4K | 65 | 52 |
| 469 | Neuroimmunology | 32 | 2.4K | 82 | 62 |
| 469 | Cerebral cortex | 50 | 2.4K | 126 | 152 |
| 472 | Obesity | 41 | 2.4K | 413 | 338 |
| 472 | Genetic therapy | 48 | 2.4K | 133 | 125 |
| 474 | free radicals | 38 | 2.4K | 208 | 211 |
| 475 | micromechanics | 50 | 2.4K | 27 | 11 |
| 476 | Conservation Biology | 57 | 2.4K | 114 | 139 |
| 477 | Chemical processes | 57 | 2.4K | 30 | 9 |
| 478 | bioclimatology | 27 | 2.4K | 100 | 20 |
| 479 | Oligosaccharide | 28 | 2.4K | 27 | 16 |
| 480 | Solar System | 57 | 2.4K | 138 | 122 |
| 481 | Cosmology | 49 | 2.4K | 235 | 71 |
| 482 | vibration | 62 | 2.4K | 100 | 93 |
| 483 | Integrated Circuits | 81 | 2.4K | 18 | 2 |
| 484 | Epidemiology | 55 | 2.4K | 736 | 583 |
| 485 | Animal Nutrition | 91 | 2.3K | 27 | 26 |
| 486 | Paleoceanography | 31 | 2.3K | 18 | 19 |
| 487 | Genetic regulation | 36 | 2.3K | 184 | 214 |
| 488 | Agricultural Science | 12 | 2.3K | 73 | 27 |
| 489 | innovation | 28 | 2.3K | 47 | 91 |
| 490 | Product Design | 132 | 2.3K | 14 | 13 |
| 491 | Nanoelectronics | 115 | 2.3K | 17 | 10 |
| 491 | Ultrasound | 69 | 2.3K | 42 | 41 |
| 493 | locomotion | 50 | 2.3K | 27 | 40 |
| 493 | posture | 50 | 2.3K | 27 | 40 |
| 493 | gait | 50 | 2.3K | 27 | 40 |
| 493 | walking | 50 | 2.3K | 27 | 40 |
| 497 | Systems Engineering | 68 | 2.3K | 216 | 177 |
| 498 | Land use | 65 | 2.3K | 55 | 58 |
| 499 | Catalysts | 55 | 2.3K | 26 | 19 |
| 500 | Medical Imaging | 49 | 2.3K | 27 | 33 |
| 501 | Ergonomics | 84 | 2.3K | 81 | 73 |
| 502 | Climate | 27 | 2.2K | 53 | 30 |
| 503 | Development | 46 | 2.2K | 72 | 74 |
| 504 | Semiconductor industry | 111 | 2.2K | 12 | 9 |
| 505 | Machine Learning | 16 | 2.2K | 75 | 48 |
| 506 | gene therapy | 39 | 2.2K | 152 | 142 |
| 507 | Sedimentology | 51 | 2.2K | 23 | 33 |
| 508 | aerosol | 59 | 2.2K | 14 | 14 |
| 509 | Education | 51 | 2.2K | 793 | 444 |
| 510 | Carbon | 46 | 2.2K | 156 | 224 |
| 511 | Chemical analysis | 50 | 2.2K | 66 | 47 |
| 512 | Economic Assistance | 37 | 2.1K | 69 | 63 |
| 513 | Oncogenes | 27 | 2.1K | 344 | 327 |
| 514 | Sports Medicine | 83 | 2.1K | 339 | 386 |
| 515 | Social Psychology | 54 | 2.1K | 392 | 409 |
| 516 | Gene expression regulation | 28 | 2.1K | 177 | 180 |
| 517 | Plant Genetics | 31 | 2.1K | 106 | 105 |
| 518 | Organometallic chemistry | 64 | 2.1K | 164 | 62 |
| 519 | nuclear astrophysics | 27 | 2.1K | 63 | 28 |
| 520 | Plastics | 56 | 2.1K | 171 | 102 |
| 521 | behavioral medicine | 28 | 2.1K | 297 | 217 |
| 522 | Schizophrenia | 41 | 2.1K | 197 | 179 |
| 523 | Geobiology | 57 | 2.1K | 15 | 10 |
| 524 | Health Policy | 41 | 2.1K | 450 | 286 |
| 525 | Sound | 56 | 2.1K | 93 | 95 |
| 526 | Tunneling | 29 | 2.1K | 44 | 30 |
| 526 | underground construction | 29 | 2.1K | 44 | 30 |
| 528 | Molecular Imaging | 41 | 2.0K | 95 | 97 |
| 529 | Rheology | 79 | 2.0K | 5 | 12 |
| 530 | Animal ecology | 45 | 2.0K | 211 | 177 |
| 531 | soil management | 39 | 2.0K | 46 | 43 |
| 532 | Educational Psychology | 35 | 2.0K | 322 | 210 |
| 533 | Social Change | 27 | 2.0K | 106 | 69 |
| 534 | Animal genetics | 99 | 2.0K | 41 | 57 |
| 535 | food technology | 43 | 2.0K | 478 | 380 |
| 535 | Social behavior | 49 | 2.0K | 154 | 176 |
| 537 | Landscape Ecology | 28 | 1.9K | 48 | 31 |
| 538 | commerce | 27 | 1.9K | 333 | 205 |
| 539 | Hydrometeorology | 19 | 1.9K | 42 | 30 |
| 540 | Aging | 57 | 1.9K | 528 | 503 |
| 541 | atmosphere | 50 | 1.9K | 51 | 51 |
| 542 | Food additives | 36 | 1.9K | 158 | 141 |
| 543 | Cognition | 59 | 1.9K | 289 | 333 |
| 544 | Respiration | 44 | 1.9K | 261 | 237 |
| 545 | environmental indicators | 39 | 1.9K | 81 | 69 |
| 546 | Plant breeding | 38 | 1.9K | 107 | 54 |
| 547 | Ecosystem management | 34 | 1.9K | 74 | 63 |
| 548 | Paleontology | 38 | 1.9K | 317 | 149 |
| 549 | Chromosomes | 61 | 1.9K | 70 | 110 |
| 550 | Stem cells | 60 | 1.9K | 203 | 302 |
| 551 | Superconductors | 87 | 1.9K | 103 | 79 |
| 552 | Entrepreneurship | 20 | 1.8K | 219 | 198 |
| 553 | Pharmaceutical Technology | 39 | 1.8K | 239 | 170 |
| 554 | Geotechnical Engineering | 54 | 1.8K | 71 | 88 |
| 555 | Vaccines | 31 | 1.8K | 470 | 284 |
| 556 | optical pattern recognition | 6 | 1.8K | 61 | 5 |
| 557 | Food Policy | 29 | 1.8K | 27 | 21 |
| 558 | Energy Consumption | 28 | 1.8K | 37 | 30 |
| 559 | Astrocytes | 31 | 1.8K | 37 | 68 |
| 560 | Information Systems | 54 | 1.8K | 82 | 94 |
| 561 | Plant genetic engineering | 36 | 1.8K | 143 | 150 |
| 562 | Infections | 22 | 1.8K | 292 | 200 |
| 563 | tillage | 30 | 1.8K | 46 | 39 |
| 564 | International security | 34 | 1.8K | 12 | 21 |
| 565 | Periglacial processes | 24 | 1.8K | 14 | 11 |
| 565 | Permafrost | 24 | 1.8K | 14 | 11 |
| 565 | Frozen ground | 24 | 1.8K | 16 | 11 |
| 565 | Biomolecules | 17 | 1.8K | 78 | 50 |
| 569 | conflict management | 33 | 1.7K | 13 | 13 |
| 570 | Nutrition physiology | 24 | 1.7K | 124 | 69 |
| 571 | Radioisotopes | 70 | 1.7K | 67 | 43 |
| 572 | Synchrotron Radiation | 46 | 1.7K | 38 | 21 |
| 573 | Scandinavia | 25 | 1.7K | 135 | 49 |
| 574 | Magnetic Materials | 71 | 1.7K | 153 | 211 |
| 575 | Greenhouse gases | 37 | 1.7K | 26 | 36 |
| 576 | clay | 31 | 1.7K | 72 | 54 |
| 577 | Cryptography | 37 | 1.7K | 38 | 14 |
| 578 | Physical organic chemistry | 37 | 1.7K | 227 | 106 |
| 579 | internet | 46 | 1.7K | 189 | 201 |
| 580 | Regional Planning | 73 | 1.7K | 133 | 189 |
| 581 | Computational Complexity | 68 | 1.7K | 21 | 11 |
| 582 | Molecular Pharmacology | 35 | 1.7K | 88 | 106 |
| 582 | Analytical Biochemistry | 50 | 1.7K | 179 | 195 |
| 584 | Signal Transduction | 39 | 1.6K | 226 | 306 |
| 585 | solar power | 24 | 1.6K | 115 | 76 |
| 586 | supercritical fluids | 36 | 1.6K | 33 | 28 |
| 587 | Strategic planning | 19 | 1.6K | 133 | 52 |
| 588 | Learning | 41 | 1.6K | 225 | 257 |
| 589 | Sleep Disorders | 59 | 1.6K | 228 | 283 |
| 590 | Quantum Communication | 24 | 1.6K | 9 | 7 |
| 591 | Sleep | 59 | 1.6K | 227 | 290 |
| 592 | Psychometrics | 6 | 1.6K | 297 | 88 |
| 593 | Experimental Psychology | 8 | 1.6K | 320 | 100 |
| 594 | air | 15 | 1.6K | 39 | 27 |
| 595 | Heat Exchangers | 31 | 1.6K | 196 | 149 |
| 596 | agricultural policy | 23 | 1.6K | 26 | 20 |
| 597 | Structure-activity relationship | 8 | 1.6K | 143 | 42 |
| 598 | freshwater biology | 28 | 1.6K | 151 | 111 |
| 599 | Systems Analysis | 38 | 1.6K | 115 | 59 |
| 600 | plasticity | 16 | 1.6K | 91 | 57 |
| 601 | structural stability | 24 | 1.6K | 74 | 30 |
| 602 | software | 32 | 1.5K | 103 | 66 |
| 603 | Technological Innovations | 57 | 1.5K | 26 | 43 |
| 604 | Granular materials | 45 | 1.5K | 17 | 11 |
| 605 | Environmental Geology | 56 | 1.5K | 128 | 200 |
| 606 | Surface properties | 28 | 1.5K | 153 | 104 |
| 606 | hydrocolloids | 30 | 1.5K | 110 | 148 |
| 608 | viral genetics | 12 | 1.5K | 136 | 168 |
| 609 | brain mapping | 28 | 1.5K | 139 | 134 |
| 610 | Cell death | 26 | 1.5K | 314 | 354 |
| 611 | Agricultural systems | 46 | 1.5K | 20 | 31 |
| 612 | Solar power plants | 12 | 1.5K | 50 | 16 |
| 612 | Photovoltaic Cells | 12 | 1.5K | 50 | 16 |
| 614 | Geometry | 109 | 1.5K | 31 | 40 |
| 615 | drug therapy | 28 | 1.5K | 680 | 481 |
| 616 | International Finance | 51 | 1.5K | 171 | 205 |
| 617 | Atmospheric Science | 74 | 1.5K | 3 | 5 |
| 618 | Bibliometrics | 26 | 1.4K | 14 | 12 |
| 619 | Organizational Behavior | 22 | 1.4K | 133 | 131 |
| 620 | Radiochemistry | 48 | 1.4K | 135 | 58 |
| 621 | Electrophoresis | 38 | 1.4K | 277 | 200 |
| 622 | hazard mitigation | 43 | 1.4K | 35 | 60 |
| 623 | Medical Oncology | 42 | 1.4K | 355 | 432 |
| 624 | Landslides | 37 | 1.4K | 16 | 27 |
| 625 | Porous materials | 71 | 1.4K | 12 | 26 |
| 626 | DNA polymerases | 15 | 1.4K | 126 | 190 |
| 627 | optical instruments | 23 | 1.4K | 89 | 65 |
| 628 | data protection | 46 | 1.4K | 7 | 17 |
| 629 | research and development | 23 | 1.4K | 23 | 23 |
| 630 | Surface-Active Agents | 23 | 1.4K | 180 | 109 |
| 630 | Mechanics | 66 | 1.4K | 83 | 106 |
| 632 | Smart Materials | 53 | 1.3K | 44 | 65 |
| 633 | Soil ecology | 35 | 1.3K | 91 | 103 |
| 634 | Social Networks | 20 | 1.3K | 33 | 37 |
| 635 | Organelle biogenesis | 26 | 1.3K | 14 | 10 |
| 636 | Geriatrics | 36 | 1.3K | 752 | 591 |
| 637 | Insects | 29 | 1.3K | 345 | 208 |
| 638 | Bioenergetics | 24 | 1.3K | 173 | 151 |
| 639 | Internet of Things | 37 | 1.3K | 176 | 204 |
| 640 | Biological Systems | 53 | 1.3K | 19 | 38 |
| 641 | Energy metabolism | 20 | 1.3K | 180 | 141 |
| 642 | Thin Films | 38 | 1.3K | 32 | 17 |
| 642 | Environmental risk assessment | 32 | 1.3K | 14 | 15 |
| 642 | Enzyme | 29 | 1.3K | 38 | 41 |
| 645 | Radiobiology | 37 | 1.3K | 331 | 332 |
| 646 | Nuclear Chemistry | 36 | 1.3K | 194 | 78 |
| 647 | Industrial Policy | 14 | 1.3K | 128 | 30 |
| 648 | Medical Anthropology | 7 | 1.2K | 758 | 316 |
| 649 | amino acids | 11 | 1.2K | 171 | 30 |
| 650 | Chromatography | 41 | 1.2K | 239 | 185 |
| 650 | Chromatographic analysis | 41 | 1.2K | 314 | 214 |
| 652 | Systems Theory | 48 | 1.2K | 9 | 3 |
| 653 | Ophthalmology | 27 | 1.2K | 533 | 425 |
| 654 | cell membrane | 16 | 1.2K | 210 | 134 |
| 655 | Interactive multimedia | 31 | 1.2K | 105 | 88 |
| 656 | Communication | 29 | 1.2K | 554 | 464 |
| 657 | Medicinal plants | 14 | 1.2K | 523 | 267 |
| 657 | Ultrasonic Imaging | 39 | 1.2K | 27 | 22 |
| 659 | Civil Engineering | 90 | 1.2K | 139 | 137 |
| 659 | Nuclear Energy | 68 | 1.2K | 144 | 128 |
| 661 | Fertilizers | 35 | 1.2K | 46 | 39 |
| 662 | Health promotion | 22 | 1.2K | 396 | 270 |
| 662 | multimedia | 28 | 1.2K | 102 | 86 |
| 664 | Radiation effects | 25 | 1.2K | 54 | 56 |
| 665 | Plant Biotechnology | 15 | 1.2K | 250 | 126 |
| 666 | Welfare Economics | 27 | 1.2K | 52 | 52 |
| 667 | DNA | 27 | 1.1K | 35 | 15 |
| 668 | forest policy | 29 | 1.1K | 51 | 28 |
| 669 | Extracellular matrix | 15 | 1.1K | 44 | 53 |
| 669 | collagen | 15 | 1.1K | 53 | 54 |
| 671 | mammals | 28 | 1.1K | 201 | 120 |
| 672 | Sustainable agriculture | 31 | 1.1K | 75 | 81 |
| 673 | Mathematical Economics | 11 | 1.1K | 119 | 88 |
| 674 | Radio frequency | 34 | 1.1K | 73 | 63 |
| 675 | Organic Geochemistry | 34 | 1.1K | 40 | 84 |
| 676 | Reproduction | 41 | 1.1K | 525 | 572 |
| 677 | Plant tissue culture | 38 | 1.1K | 65 | 93 |
| 677 | biological invasions | 23 | 1.1K | 84 | 62 |
| 679 | Transplantation | 14 | 1.1K | 496 | 380 |
| 680 | Software Engineering | 40 | 1.1K | 161 | 198 |
| 681 | economic conditions | 10 | 1.1K | 259 | 90 |
| 682 | Plant cell culture | 33 | 1.1K | 60 | 91 |
| 683 | Animal breeding | 42 | 1.1K | 126 | 127 |
| 684 | Geographic information systems | 66 | 1.1K | 43 | 61 |
| 685 | Chemical Ecology | 25 | 1.1K | 102 | 104 |
| 686 | Economic Thought | 7 | 1.1K | 149 | 83 |
| 687 | Cardiovascular system | 21 | 1.1K | 541 | 673 |
| 688 | Japan | 23 | 1.1K | 512 | 201 |
| 689 | Luminescence | 51 | 1.1K | 98 | 90 |
| 690 | Glaciology | 33 | 1.1K | 21 | 26 |
| 690 | peptides | 25 | 1.1K | 110 | 44 |
| 692 | glaciers | 31 | 1.0K | 21 | 26 |
| 693 | Pharmacokinetics | 22 | 1.0K | 176 | 137 |
| 694 | Computational Mathematics | 23 | 1.0K | 2 | 6 |
| 694 | Crystallization | 31 | 1.0K | 48 | 35 |
| 696 | Actuarial Science | 43 | 1.0K | 19 | 26 |
| 696 | Building | 33 | 1.0K | 111 | 76 |
| 698 | Artificial Organs | 36 | 1.0K | 81 | 48 |
| 699 | Oxidation-reduction | 15 | 1.0K | 235 | 282 |
| 700 | Combinatorial analysis | 109 | 1.0K | 45 | 77 |
| 701 | Bifurcation Theory | 30 | 1.0K | 71 | 45 |
| 702 | Child psychology | 10 | 1.0K | 731 | 488 |
| 703 | national security | 21 | 1.0K | 46 | 24 |
| 704 | Recombinant DNA | 28 | 998 | 325 | 309 |
| 705 | Lipids | 24 | 995 | 316 | 365 |
| 706 | Microprocessors | 40 | 982 | 31 | 27 |
| 707 | Sports | 44 | 966 | 460 | 484 |
| 707 | Transgenic plants | 22 | 966 | 71 | 71 |
| 709 | Nuclear Engineering | 113 | 963 | 173 | 288 |
| 710 | Parasitic Diseases | 23 | 962 | 654 | 519 |
| 711 | soil conservation | 21 | 958 | 114 | 56 |
| 711 | Soil fertility | 18 | 958 | 67 | 66 |
| 713 | Social Systems | 39 | 945 | 3 | 3 |
| 714 | Diagnostic microbiology | 6 | 943 | 912 | 568 |
| 715 | Chemical industry | 138 | 940 | 53 | 148 |
| 716 | toxicity testing | 13 | 939 | 185 | 83 |
| 717 | animals | 40 | 934 | 170 | 153 |
| 718 | Statistical Mechanics | 26 | 932 | 227 | 97 |
| 718 | Synthetic biology | 28 | 932 | 41 | 37 |
| 720 | Adsorption | 21 | 931 | 13 | 7 |
| 721 | Yeast | 12 | 923 | 135 | 66 |
| 722 | Liver diseases | 19 | 917 | 556 | 658 |
| 723 | Molecular cloning | 25 | 911 | 332 | 313 |
| 723 | Genetic recombination | 25 | 911 | 315 | 306 |
| 725 | China | 49 | 910 | 533 | 597 |
| 726 | Population | 25 | 907 | 224 | 175 |
| 727 | Child | 14 | 901 | 1062 | 573 |
| 728 | Risk assessment | 26 | 899 | 40 | 24 |
| 729 | Cell surface receptors | 21 | 896 | 4 | 2 |
| 730 | mutagens | 23 | 894 | 184 | 258 |
| 730 | RNA | 27 | 894 | 76 | 139 |
| 732 | Structural design | 28 | 890 | 80 | 80 |
| 733 | Chemical Oceanography | 12 | 885 | 116 | 99 |
| 734 | insurance | 34 | 882 | 43 | 36 |
| 735 | Urban Policy | 19 | 873 | 152 | 116 |
| 736 | Raman spectroscopy | 19 | 871 | 155 | 85 |
| 737 | Orthopedics | 45 | 870 | 309 | 416 |
| 738 | Number Theory | 68 | 864 | 31 | 12 |
| 739 | Microbial Genetics | 17 | 857 | 69 | 70 |
| 740 | European Union | 25 | 848 | 11 | 17 |
| 741 | molecular design | 23 | 843 | 28 | 41 |
| 742 | Quantum Computing | 33 | 841 | 11 | 21 |
| 742 | pheromones | 20 | 841 | 111 | 118 |
| 744 | Chemotherapy | 6 | 827 | 940 | 335 |
| 745 | Electronic Packaging | 9 | 824 | 111 | 25 |
| 746 | Medical Ethics | 26 | 819 | 269 | 136 |
| 747 | phytopathogenic bacteria | 16 | 814 | 59 | 76 |
| 748 | Tissue Engineering | 13 | 813 | 53 | 46 |
| 749 | Kalman Filtering | 52 | 810 | 5 | 5 |
| 750 | Speech Perception | 16 | 803 | 89 | 94 |
| 750 | auditory perception | 16 | 803 | 110 | 102 |
| 752 | health planning | 25 | 802 | 555 | 375 |
| 753 | Calculus of Variations | 28 | 801 | 54 | 26 |
| 754 | Critical Care | 10 | 799 | 833 | 720 |
| 754 | Critical Care Medicine | 10 | 799 | 785 | 718 |
| 756 | Nonlinear functional analysis | 35 | 796 | 163 | 158 |
| 756 | Volcanoes | 29 | 796 | 35 | 60 |
| 758 | Parasitology | 26 | 795 | 792 | 676 |
| 759 | soil pollution | 14 | 790 | 94 | 29 |
| 759 | catalytic activity | 19 | 790 | 143 | 153 |
| 761 | infrared radiation | 43 | 788 | 33 | 29 |
| 762 | Plant Pathology | 19 | 787 | 19 | 9 |
| 763 | System design | 15 | 781 | 44 | 15 |
| 764 | clay minerals | 18 | 779 | 48 | 50 |
| 764 | social science | 4 | 779 | 119 | 38 |
| 766 | Genes | 30 | 771 | 190 | 227 |
| 767 | Virtual reality | 32 | 769 | 20 | 45 |
| 768 | Logistics | 21 | 760 | 63 | 109 |
| 769 | Histochemistry | 23 | 759 | 263 | 205 |
| 770 | Discrete geometry | 49 | 755 | 15 | 26 |
| 771 | marketing | 17 | 753 | 722 | 636 |
| 772 | Rock deformation | 14 | 752 | 31 | 14 |
| 773 | Electromagnetism | 33 | 751 | 191 | 215 |
| 773 | Soil dynamics | 32 | 751 | 61 | 90 |
| 775 | Architecture | 45 | 749 | 50 | 40 |
| 776 | Therapeutics | 31 | 740 | 406 | 632 |
| 777 | Nondestructive testing | 17 | 737 | 164 | 90 |
| 778 | Climate Change Mitigation | 7 | 736 | 6 | 8 |
| 778 | Global warming | 7 | 736 | 23 | 8 |
| 778 | sea level | 7 | 736 | 6 | 8 |
| 781 | Developmental Psychology | 18 | 734 | 346 | 368 |
| 782 | Health | 34 | 733 | 470 | 588 |
| 783 | environmental exposure | 30 | 732 | 360 | 544 |
| 784 | Microbial Metabolism | 15 | 725 | 11 | 10 |
| 785 | Physical Geography | 11 | 724 | 206 | 69 |
| 786 | Online social networks | 7 | 722 | 104 | 21 |
| 787 | ports | 8 | 719 | 113 | 33 |
| 787 | Waterways | 8 | 719 | 80 | 14 |
| 787 | Harbors | 8 | 719 | 87 | 14 |
| 790 | Parallel Processing | 38 | 718 | 48 | 150 |
| 791 | Game Theory | 35 | 715 | 69 | 101 |
| 791 | Imaging systems | 23 | 715 | 97 | 37 |
| 793 | Ethics | 23 | 714 | 210 | 124 |
| 793 | Microfabrication | 22 | 714 | 51 | 40 |
| 795 | Ecological Engineering | 12 | 708 | 167 | 115 |
| 795 | Cellulose | 18 | 708 | 114 | 127 |
| 797 | Microwave devices | 26 | 707 | 96 | 94 |
| 798 | mutation | 32 | 706 | 72 | 171 |
| 799 | European integration | 18 | 705 | 47 | 34 |
| 799 | European Economic Community | 18 | 705 | 47 | 34 |
| 801 | Structural optimization | 23 | 703 | 51 | 78 |
| 801 | Vision | 12 | 703 | 298 | 219 |
| 803 | Genetic translocation | 15 | 702 | 17 | 18 |
| 803 | plasmids | 15 | 702 | 17 | 18 |
| 803 | Protein engineering | 19 | 702 | 37 | 51 |
| 806 | Archaeology | 24 | 700 | 418 | 306 |
| 806 | Telecommunication Systems | 37 | 700 | 242 | 258 |
| 808 | Asia | 33 | 697 | 561 | 452 |
| 809 | Serology | 12 | 690 | 131 | 64 |
| 810 | Oxidative stress | 11 | 686 | 523 | 432 |
| 811 | radiative transfer | 16 | 685 | 186 | 102 |
| 811 | eye | 4 | 685 | 153 | 137 |
| 813 | Retina | 3 | 682 | 159 | 136 |
| 814 | Sun | 24 | 680 | 118 | 135 |
| 815 | Synapses | 5 | 679 | 180 | 59 |
| 816 | Government policy | 8 | 678 | 57 | 30 |
| 816 | Exercise | 27 | 678 | 333 | 326 |
| 818 | Mountains | 13 | 677 | 69 | 12 |
| 819 | Quantum Chemistry | 21 | 672 | 212 | 109 |
| 820 | Forest genetics | 13 | 665 | 81 | 29 |
| 820 | Nonlinear systems | 15 | 665 | 173 | 99 |
| 822 | Measurement | 36 | 662 | 171 | 239 |
| 823 | Plasma chemistry | 24 | 660 | 49 | 57 |
| 824 | Multivariate Analysis | 14 | 653 | 136 | 99 |
| 824 | carcinogens | 19 | 653 | 258 | 333 |
| 824 | Elections | 10 | 653 | 157 | 59 |
| 827 | Minerals | 20 | 648 | 124 | 105 |
| 828 | Evolutionary Genetics | 18 | 645 | 96 | 92 |
| 828 | Molecular Epidemiology | 18 | 645 | 96 | 92 |
| 828 | Political Participation | 9 | 645 | 141 | 56 |
| 828 | Teaching | 26 | 645 | 431 | 396 |
| 832 | landscapes | 27 | 641 | 10 | 16 |
| 833 | microwave communication systems | 22 | 640 | 79 | 72 |
| 834 | Pediatrics | 17 | 637 | 936 | 1009 |
| 834 | Graph Theory | 57 | 637 | 59 | 75 |
| 836 | Travel | 17 | 636 | 221 | 126 |
| 837 | Inflammation | 8 | 635 | 722 | 440 |
| 837 | Plasma polymerization | 22 | 635 | 31 | 43 |
| 839 | Sonochemistry | 9 | 631 | 221 | 182 |
| 840 | Speech | 11 | 629 | 409 | 289 |
| 841 | arthritis | 18 | 628 | 470 | 588 |
| 842 | Quality Control | 20 | 619 | 475 | 454 |
| 842 | election law | 8 | 619 | 108 | 46 |
| 842 | Voting | 8 | 619 | 104 | 45 |
| 845 | Production Planning | 16 | 611 | 34 | 48 |
| 845 | Production Control | 16 | 611 | 34 | 48 |
| 845 | phase diagrams | 15 | 611 | 50 | 20 |
| 848 | Structuralism | 14 | 610 | 34 | 57 |
| 849 | Sites | 13 | 606 | 195 | 189 |
| 850 | Flexible manufacturing systems | 12 | 602 | 84 | 49 |
| 851 | Nanochemistry | 24 | 600 | 212 | 185 |
| 851 | occupational diseases | 8 | 600 | 455 | 261 |
| 853 | Algebra | 41 | 594 | 341 | 199 |
| 854 | Small Business | 13 | 588 | 251 | 378 |
| 855 | Entropy | 46 | 587 | 51 | 96 |
| 856 | Random graphs | 52 | 583 | 7 | 29 |
| 857 | Global Health | 13 | 580 | 373 | 177 |
| 857 | Culture techniques | 24 | 580 | 34 | 48 |
| 859 | Carcinogenesis | 17 | 575 | 308 | 397 |
| 859 | environmental control | 13 | 575 | 49 | 37 |
| 861 | Functional Analysis | 41 | 574 | 199 | 285 |
| 862 | Sedimentary rocks | 13 | 573 | 200 | 173 |
| 863 | polar regions | 23 | 571 | 148 | 168 |
| 864 | Distributed Databases | 22 | 568 | 8 | 16 |
| 865 | Bacteriophages | 10 | 567 | 4 | 7 |
| 866 | analysis | 26 | 565 | 50 | 114 |
| 867 | cell interaction | 15 | 563 | 435 | 454 |
| 868 | Computer Engineering | 29 | 557 | 94 | 101 |
| 869 | calcification | 9 | 555 | 249 | 179 |
| 870 | medical education | 15 | 552 | 685 | 488 |
| 871 | baking | 7 | 548 | 103 | 50 |
| 872 | health services accessibility | 7 | 547 | 525 | 234 |
| 873 | Radiopharmaceuticals | 19 | 546 | 83 | 17 |
| 874 | Turbulence | 34 | 543 | 11 | 30 |
| 875 | disarmament | 18 | 542 | 23 | 24 |
| 876 | Ventilation | 21 | 541 | 95 | 131 |
| 876 | electroplating | 3 | 541 | 59 | 2 |
| 876 | surface preparation | 3 | 541 | 53 | 1 |
| 879 | construction | 9 | 536 | 67 | 40 |
| 880 | Nanobiotechnology | 11 | 533 | 108 | 147 |
| 881 | Harmonic Analysis | 15 | 532 | 27 | 38 |
| 882 | Health Risk Assessment | 14 | 531 | 72 | 28 |
| 883 | Nanophotonics | 10 | 528 | 121 | 79 |
| 884 | technology transfer | 8 | 524 | 60 | 49 |
| 885 | Immunopathology | 16 | 523 | 513 | 549 |
| 886 | Thermodynamics | 35 | 521 | 164 | 190 |
| 887 | Computational Fluid Dynamics | 35 | 519 | 56 | 142 |
| 888 | food contamination | 14 | 516 | 294 | 181 |
| 889 | food handling | 14 | 509 | 236 | 279 |
| 889 | disease outbreaks | 17 | 509 | 136 | 207 |
| 889 | Epidemics | 17 | 509 | 132 | 205 |
| 892 | Dendrochronology | 3 | 507 | 24 | 2 |
| 892 | monoclonal antibodies | 19 | 507 | 36 | 45 |
| 894 | environmental remediation | 13 | 505 | 37 | 28 |
| 895 | Invertebrates | 17 | 504 | 149 | 138 |
| 896 | Spine | 19 | 502 | 210 | 308 |
| 897 | Humanities | 26 | 500 | 335 | 189 |
| 897 | Neuroimaging | 21 | 500 | 44 | 59 |
| 899 | Microbial Biotechnology | 13 | 498 | 258 | 229 |
| 900 | phenomics | 7 | 497 | 13 | 7 |
| 901 | Intelligent Control Systems | 28 | 495 | 133 | 124 |
| 902 | Toxins | 4 | 494 | 721 | 208 |
| 903 | Real-time Data Processing | 16 | 490 | 10 | 16 |
| 904 | Computer Architecture | 44 | 487 | 33 | 75 |
| 904 | Educational Technology | 10 | 487 | 767 | 449 |
| 904 | taxation | 10 | 487 | 43 | 28 |
| 907 | Anthropology | 11 | 481 | 772 | 426 |
| 907 | Origin of life | 10 | 481 | 29 | 19 |
| 909 | Criminology | 14 | 480 | 381 | 269 |
| 910 | pain | 24 | 475 | 381 | 612 |
| 911 | Microfluidics | 17 | 472 | 25 | 44 |
| 912 | Topology | 39 | 470 | 22 | 31 |
| 912 | ecological risk assessment | 12 | 470 | 39 | 26 |
| 914 | personality | 14 | 469 | 616 | 700 |
| 914 | Phylogeny | 15 | 469 | 296 | 422 |
| 916 | pigments | 12 | 466 | 311 | 222 |
| 917 | Human Geography | 38 | 464 | 212 | 335 |
| 917 | Liposomes | 15 | 464 | 134 | 186 |
| 919 | population geography | 18 | 463 | 59 | 78 |
| 920 | forestry | 19 | 460 | 52 | 64 |
| 921 | Neuropharmacology | 12 | 457 | 216 | 183 |
| 922 | Phytochemistry | 10 | 456 | 50 | 29 |
| 922 | Phytoremediation | 10 | 456 | 50 | 29 |
| 922 | Bioreactors | 10 | 456 | 50 | 29 |
| 922 | Drug discovery | 8 | 456 | 82 | 44 |
| 926 | Peptide | 8 | 455 | 95 | 32 |
| 927 | foreign exchange | 13 | 451 | 71 | 106 |
| 928 | biofuels | 6 | 447 | 169 | 174 |
| 929 | Child Development | 8 | 446 | 1150 | 859 |
| 930 | human development | 14 | 442 | 293 | 334 |
| 931 | sedimentary basins | 11 | 440 | 60 | 65 |
| 932 | Parasites | 15 | 438 | 644 | 582 |
| 933 | Biometrics | 28 | 437 | 284 | 408 |
| 934 | Ecological Genetics | 23 | 436 | 90 | 110 |
| 935 | Physical Therapy | 16 | 435 | 471 | 572 |
| 936 | Paleobotany | 9 | 431 | 49 | 33 |
| 936 | Vegetation dynamics | 9 | 431 | 47 | 33 |
| 938 | Algorithms | 26 | 430 | 71 | 129 |
| 938 | Ecohydrology | 22 | 430 | 19 | 57 |
| 940 | Neurosurgery | 3 | 428 | 960 | 443 |
| 940 | Clinical Pharmacology | 12 | 428 | 699 | 546 |
| 942 | Organizational change | 19 | 426 | 114 | 187 |
| 943 | biomimicry | 11 | 422 | 26 | 32 |
| 944 | Isotopes | 17 | 419 | 4 | 6 |
| 945 | Metallic Glasses | 13 | 418 | 158 | 160 |
| 945 | Hormones | 13 | 418 | 587 | 649 |
| 947 | preventive medicine | 6 | 416 | 850 | 576 |
| 948 | Antioxidants | 7 | 414 | 465 | 468 |
| 949 | Research Design | 15 | 411 | 406 | 504 |
| 950 | weather forecasting | 12 | 407 | 53 | 55 |
| 951 | Social Choice Theory | 17 | 406 | 32 | 32 |
| 951 | Hippocampus | 9 | 406 | 124 | 164 |
| 951 | Developed countries | 4 | 406 | 148 | 59 |
| 954 | Human evolution | 4 | 404 | 333 | 207 |
| 955 | individual differences | 4 | 403 | 204 | 102 |
| 956 | histological techniques | 9 | 401 | 336 | 358 |
| 957 | Consciousness | 8 | 399 | 228 | 150 |
| 958 | Muscles | 10 | 398 | 411 | 433 |
| 959 | Urban Transportation | 12 | 395 | 27 | 12 |
| 959 | international trade | 17 | 395 | 131 | 195 |
| 961 | Comparative Physiology | 19 | 392 | 241 | 348 |
| 962 | Physical fitness | 6 | 391 | 748 | 446 |
| 963 | Petroleum Engineering | 17 | 388 | 264 | 280 |
| 964 | Business Ethics | 10 | 387 | 445 | 641 |
| 965 | Rheumatology | 8 | 385 | 723 | 638 |
| 965 | DNS | 5 | 385 | 345 | 140 |
| 965 | bees | 8 | 385 | 205 | 132 |
| 968 | Microeconomics | 15 | 380 | 80 | 120 |
| 969 | Genetic Toxicology | 14 | 377 | 101 | 221 |
| 969 | public works | 22 | 377 | 12 | 32 |
| 971 | cloning | 10 | 370 | 297 | 485 |
| 972 | Aquatic ecology | 18 | 369 | 251 | 348 |
| 973 | musculoskeletal system | 13 | 367 | 20 | 37 |
| 974 | plant viruses | 7 | 365 | 113 | 65 |
| 974 | Lipid bilayers | 12 | 365 | 148 | 209 |
| 974 | Money | 10 | 365 | 55 | 81 |
| 977 | Matroids | 27 | 363 | 25 | 51 |
| 978 | Obstetrics | 8 | 362 | 1452 | 1053 |
| 978 | Linguistics | 16 | 362 | 603 | 465 |
| 978 | Biomass | 7 | 362 | 303 | 319 |
| 978 | Uncertainty | 8 | 362 | 53 | 66 |
| 982 | Germany | 50 | 361 | 53 | 59 |
| 983 | Marine Ecology | 8 | 359 | 440 | 251 |
| 983 | Air Conditioning | 11 | 359 | 54 | 26 |
| 983 | Social policy | 12 | 359 | 419 | 292 |
| 983 | heating | 10 | 359 | 50 | 26 |
| 987 | Cartography | 67 | 358 | 16 | 46 |
| 988 | air quality management | 16 | 357 | 77 | 176 |
| 989 | Metallography | 9 | 356 | 418 | 308 |
| 990 | touch | 10 | 355 | 36 | 30 |
| 990 | Financial Institutions | 6 | 355 | 203 | 105 |
| 992 | Hypertension | 4 | 353 | 1365 | 1182 |
| 992 | Calorimetry | 11 | 353 | 468 | 294 |
| 992 | Thermal analysis | 11 | 353 | 468 | 294 |
| 995 | mental processes | 19 | 348 | 61 | 88 |
| 996 | Health Services Research | 9 | 347 | 891 | 676 |
| 996 | Logic Programming | 17 | 347 | 51 | 48 |
| 998 | exobiology | 13 | 346 | 91 | 170 |
| 999 | Traffic Engineering | 11 | 345 | 134 | 179 |
| 999 | Rural Development | 10 | 345 | 199 | 183 |