| 1 | Physics | 7,372 | 685.9K | 28 | 28 |
| 2 | Biology | 4,100 | 539.0K | 46 | 37 |
| 3 | Science | 3,426 | 488.4K | 62 | 43 |
| 4 | Chemistry | 7,159 | 468.4K | 8 | 14 |
| 5 | Natural history | 785 | 288.6K | 64 | 38 |
| 6 | Molecular Biology | 2,299 | 206.8K | 62 | 48 |
| 7 | Biochemistry | 2,716 | 178.6K | 105 | 63 |
| 8 | Ecology | 1,771 | 140.7K | 45 | 35 |
| 9 | Biotechnology | 1,619 | 137.2K | 18 | 10 |
| 10 | Astrophysics | 1,704 | 136.9K | 101 | 91 |
| 11 | Nanotechnology | 1,698 | 135.5K | 36 | 27 |
| 12 | Pollution | 1,494 | 135.5K | 15 | 8 |
| 13 | Geophysics | 2,622 | 134.8K | 15 | 11 |
| 14 | Microbiology | 1,644 | 134.0K | 55 | 44 |
| 15 | Condensed Matter | 2,498 | 123.4K | 19 | 22 |
| 16 | Astronomy | 1,907 | 122.6K | 69 | 78 |
| 17 | Environmental Health | 1,294 | 117.7K | 19 | 8 |
| 18 | Materials | 1,670 | 115.6K | 81 | 51 |
| 19 | Cytology | 864 | 106.2K | 92 | 79 |
| 20 | Cell Biology | 758 | 104.0K | 83 | 78 |
| 21 | Bioengineering | 999 | 99.8K | 16 | 12 |
| 22 | Environmental Engineering | 997 | 95.7K | 11 | 4 |
| 23 | Solid State Physics | 2,475 | 92.9K | 21 | 32 |
| 24 | Medicine | 1,520 | 84.0K | 227 | 208 |
| 25 | Catalysis | 1,430 | 83.9K | 16 | 6 |
| 26 | Spectrum analysis | 1,106 | 82.5K | 89 | 72 |
| 27 | sanitation | 793 | 81.0K | 3 | 2 |
| 28 | Environment | 785 | 77.3K | 57 | 33 |
| 29 | Neurology | 831 | 74.5K | 204 | 141 |
| 30 | Nuclear Physics | 1,854 | 69.6K | 119 | 117 |
| 31 | Research | 1,389 | 68.7K | 149 | 105 |
| 32 | Materials Science | 1,023 | 66.7K | 82 | 49 |
| 33 | Geology | 1,152 | 63.9K | 19 | 17 |
| 34 | Chemical Engineering | 1,122 | 58.0K | 37 | 32 |
| 35 | Earth Sciences | 641 | 58.0K | 16 | 5 |
| 36 | Geochemistry | 970 | 57.8K | 8 | 8 |
| 37 | Computer Graphics | 623 | 56.0K | 5 | 3 |
| 38 | Biophysics | 902 | 55.6K | 121 | 41 |
| 39 | Biocompatible Materials | 756 | 53.0K | 50 | 39 |
| 40 | miniaturization | 498 | 50.8K | 10 | 12 |
| 41 | Virology | 264 | 49.9K | 225 | 110 |
| 42 | Meteorology | 635 | 49.4K | 47 | 29 |
| 43 | Water | 583 | 48.4K | 10 | 6 |
| 44 | Optics | 1,389 | 47.9K | 54 | 20 |
| 45 | Botany | 716 | 47.7K | 87 | 57 |
| 46 | Atmospheric Physics | 749 | 47.1K | 21 | 20 |
| 47 | Planets | 796 | 46.6K | 24 | 19 |
| 48 | Computational Biology | 498 | 45.6K | 10 | 19 |
| 49 | Biomedical Engineering | 899 | 45.4K | 22 | 8 |
| 50 | Colloids | 885 | 45.3K | 14 | 9 |
| 51 | Biochemical Engineering | 377 | 45.3K | 62 | 28 |
| 52 | Environmental Policy | 436 | 43.1K | 12 | 7 |
| 53 | Microelectronics | 432 | 42.8K | 18 | 11 |
| 54 | Artificial Intelligence | 454 | 41.1K | 64 | 10 |
| 55 | Meteorites | 539 | 40.9K | 9 | 7 |
| 56 | Technology | 797 | 40.3K | 28 | 11 |
| 57 | Surface Chemistry | 746 | 39.5K | 23 | 7 |
| 58 | Water pollution | 410 | 39.2K | 20 | 8 |
| 59 | nanoscience | 496 | 39.0K | 49 | 39 |
| 60 | Molecular structure | 338 | 38.5K | 17 | 8 |
| 61 | Polymers | 952 | 37.5K | 82 | 63 |
| 62 | Statistical physics | 1,003 | 36.2K | 36 | 41 |
| 63 | Immunology | 374 | 35.5K | 257 | 167 |
| 64 | Electrochemistry | 737 | 34.6K | 71 | 16 |
| 65 | Climatology | 492 | 34.1K | 26 | 20 |
| 66 | biological evolution | 261 | 33.3K | 59 | 33 |
| 67 | Neurophysiology | 437 | 33.2K | 116 | 104 |
| 68 | Bacteriology | 317 | 33.2K | 50 | 34 |
| 69 | Genetics | 513 | 33.0K | 121 | 163 |
| 70 | Analytical Chemistry | 635 | 32.4K | 71 | 38 |
| 71 | Microbial Ecology | 425 | 32.4K | 28 | 42 |
| 72 | Atmospheric Chemistry | 520 | 32.1K | 18 | 24 |
| 73 | Evolution | 233 | 31.9K | 63 | 15 |
| 74 | environmental pollution | 524 | 31.8K | 63 | 32 |
| 75 | Computer Vision | 221 | 31.0K | 6 | 9 |
| 76 | Image Processing | 218 | 29.0K | 47 | 6 |
| 77 | Electronics | 624 | 28.2K | 52 | 12 |
| 78 | Biodiversity | 394 | 28.1K | 5 | 2 |
| 79 | Immunity | 207 | 27.7K | 106 | 97 |
| 80 | plant molecular biology | 189 | 27.5K | 54 | 30 |
| 81 | Hydrology | 501 | 26.6K | 21 | 9 |
| 82 | nuclear magnetic resonance | 554 | 26.5K | 2 | 3 |
| 83 | Biodiversity conservation | 250 | 26.3K | 23 | 21 |
| 84 | Environmental Chemistry | 252 | 26.0K | 25 | 11 |
| 85 | Physical Chemistry | 313 | 25.2K | 39 | 15 |
| 86 | Pharmaceutical Chemistry | 382 | 24.3K | 117 | 54 |
| 87 | Bioinformatics | 299 | 24.2K | 18 | 33 |
| 88 | Photonics | 227 | 24.0K | 52 | 12 |
| 89 | Energy Policy | 264 | 23.9K | 42 | 14 |
| 90 | Plant physiology | 193 | 23.5K | 97 | 29 |
| 91 | Mathematics | 1,588 | 23.4K | 57 | 66 |
| 92 | Environmental monitoring | 348 | 22.9K | 43 | 25 |
| 93 | Pharmacology | 351 | 22.4K | 423 | 186 |
| 94 | Climate change | 180 | 22.4K | 14 | 17 |
| 95 | Eutrophication | 177 | 22.3K | 13 | 17 |
| 96 | Nanostructured Materials | 465 | 21.6K | 79 | 74 |
| 97 | genome | 220 | 21.4K | 24 | 50 |
| 98 | Energy Conversion | 118 | 20.4K | 78 | 32 |
| 99 | polymerization | 561 | 20.3K | 123 | 108 |
| 100 | Nanostructures | 183 | 20.2K | 39 | 24 |
| 101 | Plant cells | 214 | 19.7K | 44 | 74 |
| 102 | Mineralogy | 306 | 19.7K | 16 | 10 |
| 103 | Optical materials | 317 | 19.5K | 80 | 75 |
| 104 | Petrology | 297 | 19.3K | 10 | 11 |
| 105 | Automation | 197 | 19.1K | 63 | 16 |
| 106 | Toxicology | 399 | 18.8K | 155 | 93 |
| 107 | soil microbiology | 268 | 18.8K | 22 | 22 |
| 108 | Renewable Energy Sources | 183 | 18.6K | 55 | 50 |
| 109 | Physiology | 344 | 18.4K | 238 | 178 |
| 110 | Mathematical Physics | 494 | 18.2K | 51 | 49 |
| 111 | Psychophysiology | 279 | 18.1K | 186 | 136 |
| 112 | Light | 66 | 17.7K | 67 | 10 |
| 113 | Economics | 441 | 17.6K | 151 | 124 |
| 114 | concrete | 198 | 17.4K | 12 | 15 |
| 115 | Nonlinear Dynamics | 479 | 17.3K | 22 | 26 |
| 116 | Magnetic Resonance Spectroscopy | 408 | 17.1K | 3 | 4 |
| 117 | Developmental Biology | 232 | 16.9K | 126 | 127 |
| 118 | Proteome | 151 | 16.7K | 19 | 9 |
| 119 | Plants | 222 | 16.4K | 64 | 62 |
| 120 | Metabolism | 244 | 16.2K | 198 | 177 |
| 121 | Human genetics | 83 | 16.1K | 429 | 428 |
| 122 | energy resources | 176 | 16.0K | 10 | 10 |
| 123 | Metals | 225 | 16.0K | 106 | 73 |
| 124 | Composite Materials | 317 | 15.6K | 70 | 78 |
| 125 | Biogeochemistry | 281 | 15.5K | 6 | 14 |
| 126 | Metallurgy | 310 | 15.3K | 85 | 79 |
| 127 | atmospheric models | 183 | 15.2K | 22 | 10 |
| 128 | energy conservation | 214 | 15.1K | 38 | 25 |
| 129 | water supply | 267 | 15.1K | 5 | 11 |
| 130 | Organic Chemistry | 241 | 15.0K | 158 | 57 |
| 131 | Nutrition | 257 | 14.9K | 254 | 182 |
| 132 | Bioorganic chemistry | 181 | 14.9K | 142 | 37 |
| 133 | Host-parasite interactions | 132 | 14.9K | 45 | 43 |
| 134 | Plant diseases | 271 | 14.8K | 60 | 29 |
| 135 | Product life cycle | 143 | 14.8K | 3 | 1 |
| 135 | green products | 143 | 14.8K | 2 | 1 |
| 137 | Molecules | 272 | 14.5K | 12 | 9 |
| 138 | Cement | 140 | 14.4K | 8 | 8 |
| 139 | Proteomics | 129 | 14.3K | 10 | 4 |
| 140 | Computational Chemistry | 89 | 14.2K | 6 | 26 |
| 141 | Engineering | 418 | 14.0K | 70 | 41 |
| 142 | Agriculture | 199 | 13.7K | 88 | 30 |
| 143 | Transportation | 324 | 13.6K | 34 | 27 |
| 144 | Soil Science | 300 | 13.6K | 52 | 47 |
| 145 | Robotics | 251 | 13.6K | 17 | 5 |
| 146 | Data Mining | 128 | 13.2K | 11 | 28 |
| 147 | nucleic acids | 210 | 13.1K | 62 | 146 |
| 148 | Brain | 204 | 13.1K | 229 | 158 |
| 149 | actuators | 247 | 13.0K | 38 | 19 |
| 149 | transducers | 247 | 13.0K | 38 | 19 |
| 151 | Medical Physics | 241 | 12.8K | 73 | 35 |
| 152 | Quantum Gravity | 315 | 12.8K | 239 | 215 |
| 153 | Plant Ecology | 252 | 12.8K | 14 | 24 |
| 154 | Genetic algorithms | 19 | 12.6K | 32 | 2 |
| 155 | Evolutionary Computation | 17 | 12.5K | 69 | 2 |
| 156 | nuclear magnetic resonance spectroscopy | 211 | 12.4K | 1 | 5 |
| 157 | Environmental Management | 176 | 12.4K | 67 | 30 |
| 158 | Cancer | 176 | 12.1K | 433 | 336 |
| 159 | environmental protection | 165 | 12.0K | 133 | 56 |
| 159 | management | 149 | 12.0K | 310 | 226 |
| 161 | Neurobiology | 161 | 11.8K | 121 | 117 |
| 162 | Nervous system | 155 | 11.8K | 179 | 153 |
| 163 | Sustainable Development | 163 | 11.7K | 20 | 20 |
| 164 | Psychiatry | 154 | 11.2K | 514 | 399 |
| 165 | Virulence | 118 | 11.1K | 49 | 38 |
| 166 | proteins | 215 | 11.1K | 57 | 48 |
| 167 | Diet | 139 | 11.0K | 158 | 97 |
| 168 | Biomechanics | 196 | 11.0K | 26 | 28 |
| 169 | Molecular Genetics | 175 | 10.9K | 73 | 67 |
| 170 | data collection | 86 | 10.8K | 9 | 26 |
| 171 | Green Chemistry | 186 | 10.6K | 47 | 48 |
| 172 | Psychology | 144 | 10.5K | 634 | 355 |
| 173 | transport vesicles | 6 | 10.4K | 124 | 84 |
| 174 | human behavior | 172 | 10.4K | 139 | 148 |
| 175 | Fluid Mechanics | 155 | 10.4K | 86 | 25 |
| 176 | Neurons | 63 | 10.4K | 91 | 119 |
| 177 | Behavior | 176 | 10.4K | 255 | 220 |
| 178 | global environmental change | 136 | 10.2K | 8 | 7 |
| 179 | Food | 189 | 10.1K | 125 | 80 |
| 180 | Industrial Microbiology | 145 | 10.1K | 44 | 22 |
| 181 | Statistics | 198 | 10.0K | 168 | 111 |
| 182 | United States | 237 | 9.9K | 383 | 307 |
| 183 | Public Health | 153 | 9.8K | 678 | 406 |
| 184 | Photochemistry | 61 | 9.5K | 152 | 6 |
| 185 | Numerical Analysis | 255 | 9.5K | 24 | 16 |
| 186 | Microscopy | 169 | 9.4K | 38 | 18 |
| 187 | Geodynamics | 174 | 9.2K | 18 | 16 |
| 188 | Oceanography | 145 | 9.0K | 189 | 137 |
| 189 | Combinatorial chemistry | 137 | 9.0K | 12 | 16 |
| 190 | Genomics | 196 | 9.0K | 158 | 143 |
| 191 | Agricultural Ecology | 148 | 9.0K | 30 | 29 |
| 192 | Earthquake Engineering | 267 | 8.9K | 33 | 37 |
| 193 | Nanoparticles | 191 | 8.7K | 58 | 63 |
| 194 | Animal Behavior | 127 | 8.7K | 209 | 157 |
| 195 | Soil biology | 130 | 8.6K | 37 | 44 |
| 196 | Ceramics | 106 | 8.6K | 103 | 41 |
| 197 | Economic Development | 109 | 8.6K | 87 | 52 |
| 198 | Glass | 102 | 8.6K | 89 | 39 |
| 198 | pottery | 102 | 8.6K | 88 | 39 |
| 200 | Engineering Geology | 221 | 8.5K | 34 | 39 |
| 201 | biopolymers | 228 | 8.4K | 5 | 8 |
| 202 | Embryology | 116 | 8.4K | 168 | 146 |
| 203 | Soft Condensed Matter | 230 | 8.4K | 5 | 8 |
| 203 | Cell differentiation | 110 | 8.4K | 177 | 213 |
| 205 | Photobiology | 47 | 8.3K | 105 | 3 |
| 206 | Population Genetics | 130 | 8.3K | 45 | 58 |
| 207 | Computer Science | 141 | 8.3K | 47 | 8 |
| 208 | Ethology | 110 | 8.3K | 161 | 121 |
| 209 | Biogeochemical cycles | 100 | 8.3K | 6 | 12 |
| 210 | Molecular ecology | 122 | 8.2K | 35 | 59 |
| 211 | Genetic engineering | 139 | 8.1K | 74 | 60 |
| 212 | Diagnostic Imaging | 180 | 8.1K | 73 | 55 |
| 213 | Bones | 104 | 8.0K | 36 | 8 |
| 214 | cell physiology | 108 | 8.0K | 122 | 106 |
| 215 | Neuropsychology | 137 | 7.9K | 203 | 121 |
| 216 | Anatomy | 107 | 7.9K | 221 | 138 |
| 217 | Environmental Microbiology | 115 | 7.9K | 30 | 34 |
| 218 | Geomagnetism | 224 | 7.8K | 14 | 8 |
| 219 | Mass Spectrometry | 152 | 7.8K | 14 | 12 |
| 220 | biological factors | 91 | 7.8K | 82 | 18 |
| 221 | Signal Processing | 132 | 7.7K | 93 | 36 |
| 222 | Endocrinology | 89 | 7.7K | 597 | 419 |
| 223 | molecular design | 25 | 7.6K | 28 | 3 |
| 224 | Solid State Chemistry | 273 | 7.6K | 50 | 58 |
| 225 | Cheminformatics | 47 | 7.6K | 3 | 4 |
| 226 | Histology | 114 | 7.6K | 122 | 71 |
| 227 | Rock Mechanics | 163 | 7.6K | 30 | 29 |
| 228 | Hydraulic Engineering | 265 | 7.5K | 11 | 16 |
| 229 | Growth | 89 | 7.5K | 147 | 155 |
| 230 | Europe | 225 | 7.4K | 160 | 96 |
| 231 | Manufacturing Processes | 288 | 7.3K | 49 | 60 |
| 232 | Immune system | 46 | 7.3K | 166 | 174 |
| 233 | Solar Energy | 138 | 7.3K | 27 | 22 |
| 234 | Hematology | 105 | 7.3K | 657 | 419 |
| 235 | Political Science | 130 | 7.2K | 161 | 80 |
| 236 | Environmental Law | 53 | 7.0K | 100 | 42 |
| 237 | Oncology | 32 | 6.9K | 647 | 331 |
| 238 | Entomology | 192 | 6.9K | 113 | 68 |
| 239 | Industrial Engineering | 220 | 6.8K | 30 | 35 |
| 240 | Metabolic diseases | 76 | 6.8K | 458 | 338 |
| 241 | Sustainable Engineering | 148 | 6.8K | 41 | 41 |
| 242 | Medical Laboratory Science | 133 | 6.7K | 72 | 59 |
| 243 | Electrical Engineering | 571 | 6.6K | 54 | 34 |
| 244 | United Kingdom | 78 | 6.6K | 212 | 93 |
| 245 | Neurochemistry | 112 | 6.5K | 318 | 239 |
| 246 | sustainability | 74 | 6.4K | 13 | 17 |
| 247 | gene mapping | 129 | 6.4K | 110 | 156 |
| 248 | Molecular Microbiology | 81 | 6.3K | 66 | 74 |
| 249 | Soil Mechanics | 154 | 6.3K | 51 | 65 |
| 250 | plant communities | 127 | 6.2K | 20 | 55 |
| 251 | Sociology | 98 | 6.2K | 372 | 216 |
| 252 | Geography | 177 | 6.2K | 151 | 145 |
| 253 | Cognitive Science | 48 | 6.2K | 206 | 83 |
| 254 | Medical Microbiology | 63 | 6.2K | 433 | 244 |
| 255 | Risk | 78 | 6.1K | 12 | 11 |
| 256 | Allergy | 44 | 6.1K | 258 | 193 |
| 257 | Probability | 95 | 6.1K | 10 | 6 |
| 258 | Bacterial infections | 45 | 6.0K | 74 | 49 |
| 259 | Structural Engineering | 216 | 6.0K | 66 | 78 |
| 260 | Fluid Dynamics | 160 | 6.0K | 26 | 18 |
| 261 | mycoses | 61 | 6.0K | 32 | 44 |
| 262 | Risk Management | 75 | 6.0K | 12 | 6 |
| 263 | mass transfer | 128 | 6.0K | 81 | 64 |
| 264 | Membranes | 114 | 6.0K | 149 | 137 |
| 265 | Psychopharmacology | 97 | 6.0K | 171 | 152 |
| 266 | Atomic spectroscopy | 122 | 5.9K | 19 | 12 |
| 267 | Database Management | 169 | 5.9K | 20 | 33 |
| 268 | protein | 124 | 5.9K | 50 | 72 |
| 269 | Clinical Chemistry | 120 | 5.9K | 314 | 233 |
| 270 | feeding behavior | 89 | 5.9K | 26 | 17 |
| 271 | Seismology | 148 | 5.8K | 21 | 19 |
| 272 | viruses | 81 | 5.8K | 233 | 206 |
| 273 | Appetite | 86 | 5.8K | 23 | 13 |
| 274 | Combustion | 169 | 5.8K | 64 | 75 |
| 275 | cryosphere | 133 | 5.7K | 4 | 13 |
| 276 | Geomorphology | 148 | 5.7K | 21 | 41 |
| 277 | Mycology | 140 | 5.6K | 84 | 72 |
| 278 | Engineering Mathematics | 118 | 5.6K | 148 | 45 |
| 279 | Immunotherapy | 53 | 5.6K | 294 | 181 |
| 280 | natural products | 46 | 5.6K | 257 | 41 |
| 281 | fuel cells | 89 | 5.6K | 106 | 126 |
| 282 | Pharmacy | 134 | 5.6K | 161 | 104 |
| 283 | Financial management | 64 | 5.5K | 9 | 6 |
| 284 | Operations Research | 160 | 5.3K | 102 | 128 |
| 285 | Economic History | 150 | 5.3K | 295 | 135 |
| 286 | Quantum Optics | 100 | 5.3K | 21 | 13 |
| 287 | Structural dynamics | 135 | 5.3K | 43 | 56 |
| 288 | Econometrics | 72 | 5.3K | 151 | 105 |
| 289 | Water quality management | 104 | 5.3K | 88 | 22 |
| 290 | Ocean Engineering | 152 | 5.2K | 81 | 74 |
| 291 | biological monitoring | 86 | 5.2K | 5 | 3 |
| 292 | Information Science | 118 | 5.2K | 145 | 116 |
| 293 | Biogeography | 89 | 5.1K | 34 | 61 |
| 294 | Radiation | 109 | 5.1K | 139 | 67 |
| 295 | Forest Ecology | 123 | 5.1K | 44 | 52 |
| 296 | Energy Storage | 72 | 5.0K | 103 | 52 |
| 297 | energy development | 46 | 4.9K | 36 | 53 |
| 298 | Mental Disorders | 76 | 4.8K | 512 | 445 |
| 299 | Quantum theory | 141 | 4.8K | 8 | 7 |
| 300 | Rheology | 119 | 4.8K | 9 | 14 |
| 301 | Chromosome mapping | 105 | 4.8K | 113 | 131 |
| 302 | Waste management | 82 | 4.8K | 54 | 10 |
| 303 | Laser Spectroscopy | 80 | 4.8K | 25 | 14 |
| 304 | Decision making | 53 | 4.7K | 158 | 67 |
| 305 | Water Purification | 79 | 4.7K | 41 | 8 |
| 306 | probabilities | 189 | 4.7K | 24 | 8 |
| 307 | Medical genetics | 76 | 4.7K | 661 | 643 |
| 308 | Biosensors | 74 | 4.7K | 73 | 66 |
| 309 | peace | 72 | 4.7K | 15 | 12 |
| 310 | Forest Management | 108 | 4.6K | 62 | 59 |
| 311 | Databases | 123 | 4.6K | 14 | 20 |
| 312 | Fungi | 108 | 4.6K | 46 | 57 |
| 313 | Drug design | 62 | 4.6K | 120 | 45 |
| 314 | economic policy | 122 | 4.6K | 143 | 69 |
| 315 | Paleoclimatology | 83 | 4.5K | 71 | 45 |
| 316 | Informatics | 76 | 4.5K | 13 | 18 |
| 317 | Marine Biology | 70 | 4.5K | 532 | 300 |
| 318 | Medical innovations | 50 | 4.5K | 90 | 116 |
| 319 | ecosystem | 90 | 4.5K | 64 | 99 |
| 320 | Organometallic compounds | 108 | 4.5K | 47 | 36 |
| 321 | Memory | 106 | 4.4K | 214 | 197 |
| 322 | Cell metabolism | 37 | 4.4K | 55 | 116 |
| 323 | Homeostasis | 36 | 4.4K | 41 | 114 |
| 324 | Developing countries | 81 | 4.3K | 221 | 120 |
| 325 | System analysis | 167 | 4.3K | 74 | 82 |
| 326 | Food preferences | 54 | 4.3K | 20 | 10 |
| 327 | enzymes | 107 | 4.3K | 62 | 61 |
| 328 | Molecular evolution | 88 | 4.2K | 106 | 161 |
| 329 | Natural resources | 115 | 4.2K | 11 | 18 |
| 330 | Drug delivery systems | 44 | 4.1K | 199 | 102 |
| 331 | Production Management | 47 | 4.1K | 137 | 105 |
| 332 | Wildlife conservation | 46 | 4.1K | 192 | 99 |
| 333 | Control Theory | 133 | 4.1K | 108 | 86 |
| 334 | Production Engineering | 217 | 4.0K | 54 | 63 |
| 335 | Hydrogeology | 98 | 4.0K | 17 | 11 |
| 336 | Recycling | 61 | 4.0K | 13 | 17 |
| 337 | Systems Biology | 149 | 3.9K | 23 | 46 |
| 338 | Information Technology | 57 | 3.9K | 267 | 73 |
| 339 | Perception | 104 | 3.9K | 236 | 203 |
| 340 | Paleoecology | 63 | 3.9K | 98 | 48 |
| 341 | Autonomous robots | 39 | 3.8K | 6 | 5 |
| 342 | Photogrammetry | 146 | 3.8K | 20 | 3 |
| 342 | drug development | 38 | 3.8K | 128 | 129 |
| 344 | Information Theory | 99 | 3.8K | 44 | 45 |
| 345 | Attention | 98 | 3.8K | 213 | 163 |
| 346 | Visual Perception | 98 | 3.8K | 201 | 152 |
| 347 | Crystallography | 172 | 3.8K | 38 | 75 |
| 348 | natural disasters | 124 | 3.8K | 12 | 25 |
| 349 | world | 59 | 3.8K | 44 | 45 |
| 350 | Aerosols | 103 | 3.8K | 20 | 25 |
| 351 | Building Materials | 81 | 3.8K | 186 | 189 |
| 352 | Diabetes | 44 | 3.7K | 610 | 460 |
| 353 | Environmental Psychology | 25 | 3.7K | 25 | 15 |
| 354 | Agronomy | 38 | 3.7K | 100 | 57 |
| 355 | Environmental Toxicology | 57 | 3.7K | 313 | 225 |
| 356 | Pathology | 56 | 3.7K | 554 | 407 |
| 357 | Computer-Aided Design | 99 | 3.6K | 37 | 36 |
| 358 | Mobile Computing | 78 | 3.6K | 40 | 7 |
| 359 | computer networks | 124 | 3.6K | 112 | 100 |
| 360 | Fracture mechanics | 82 | 3.6K | 135 | 84 |
| 361 | organization | 23 | 3.6K | 209 | 135 |
| 362 | Agricultural Chemistry | 71 | 3.5K | 337 | 227 |
| 363 | Diabetes mellitus | 36 | 3.5K | 648 | 458 |
| 364 | Crystal growth | 94 | 3.5K | 24 | 30 |
| 365 | Wireless Communication Systems | 86 | 3.5K | 182 | 83 |
| 366 | Paleogeography | 53 | 3.5K | 97 | 45 |
| 367 | Molecular Spectroscopy | 110 | 3.5K | 70 | 47 |
| 368 | Earthquakes | 109 | 3.5K | 10 | 8 |
| 369 | drugs | 86 | 3.4K | 215 | 158 |
| 370 | rehabilitation | 51 | 3.4K | 384 | 208 |
| 371 | Business | 51 | 3.4K | 384 | 309 |
| 372 | environmental issues | 39 | 3.4K | 16 | 5 |
| 373 | Cytogenetics | 46 | 3.4K | 298 | 303 |
| 374 | Breeding | 65 | 3.4K | 144 | 95 |
| 375 | Photography | 428 | 3.4K | 71 | 27 |
| 376 | Semiconductors | 124 | 3.4K | 112 | 60 |
| 377 | micromechanics | 66 | 3.4K | 34 | 17 |
| 377 | finance | 84 | 3.4K | 277 | 203 |
| 379 | biocatalysis | 26 | 3.3K | 6 | 30 |
| 379 | Homogeneous catalysis | 26 | 3.3K | 6 | 30 |
| 379 | Heterogeneous catalysis | 26 | 3.3K | 6 | 30 |
| 382 | Bioelectronics | 50 | 3.3K | 93 | 102 |
| 383 | international cooperation | 44 | 3.3K | 42 | 12 |
| 384 | Energy Harvesting | 23 | 3.3K | 102 | 60 |
| 385 | Industrial Safety | 59 | 3.3K | 77 | 40 |
| 386 | Pediatric Neurology | 22 | 3.2K | 394 | 248 |
| 387 | International Relations | 97 | 3.2K | 81 | 42 |
| 388 | free radicals | 49 | 3.2K | 219 | 188 |
| 389 | Process Control | 45 | 3.2K | 56 | 53 |
| 390 | Mental illness | 47 | 3.2K | 446 | 389 |
| 391 | solar cells | 37 | 3.1K | 97 | 42 |
| 392 | Roads | 125 | 3.1K | 53 | 38 |
| 393 | Environmental pollutants | 100 | 3.1K | 137 | 183 |
| 394 | infection | 58 | 3.1K | 237 | 182 |
| 395 | Ceramic materials | 81 | 3.1K | 95 | 59 |
| 396 | Groundwater | 75 | 3.0K | 32 | 22 |
| 397 | Cognitive neuroscience | 47 | 3.0K | 191 | 219 |
| 398 | Developmental Genetics | 31 | 3.0K | 145 | 164 |
| 399 | weather | 106 | 3.0K | 2 | 4 |
| 400 | Ore deposits | 54 | 3.0K | 50 | 27 |
| 401 | coal | 55 | 3.0K | 210 | 154 |
| 402 | Ferroelectricity | 155 | 2.9K | 18 | 10 |
| 403 | emergency management | 96 | 2.9K | 5 | 9 |
| 404 | Magnetic Resonance Imaging | 65 | 2.9K | 23 | 31 |
| 405 | Zoology | 64 | 2.9K | 466 | 270 |
| 406 | city planning | 117 | 2.9K | 83 | 117 |
| 407 | pollutants | 91 | 2.9K | 114 | 168 |
| 408 | Multiphase Flow | 60 | 2.9K | 9 | 14 |
| 409 | glycoproteins | 38 | 2.8K | 35 | 20 |
| 409 | Glycoconjugates | 38 | 2.8K | 35 | 20 |
| 409 | glycolipids | 38 | 2.8K | 35 | 20 |
| 412 | Fisheries | 58 | 2.8K | 262 | 157 |
| 413 | Pharmacogenetics | 43 | 2.8K | 135 | 81 |
| 414 | Nuclear Medicine | 73 | 2.8K | 133 | 120 |
| 415 | mathematical analysis | 180 | 2.8K | 134 | 136 |
| 416 | Genetic regulation | 40 | 2.8K | 192 | 235 |
| 417 | Mining Engineering | 44 | 2.8K | 57 | 33 |
| 417 | Hazardous waste | 33 | 2.8K | 82 | 34 |
| 419 | Pharmacognosy | 45 | 2.8K | 320 | 193 |
| 420 | Carbohydrates | 38 | 2.7K | 31 | 18 |
| 421 | Biomass Energy | 42 | 2.7K | 575 | 429 |
| 422 | Neural circuitry | 53 | 2.7K | 226 | 164 |
| 423 | Remote Sensing | 159 | 2.7K | 37 | 27 |
| 424 | Electrochemical Analysis | 44 | 2.7K | 252 | 107 |
| 425 | warfare | 34 | 2.7K | 33 | 14 |
| 426 | visualization | 124 | 2.7K | 63 | 17 |
| 427 | Stochastic Processes | 86 | 2.7K | 7 | 5 |
| 428 | radioactive waste | 31 | 2.7K | 60 | 32 |
| 428 | industrial waste | 31 | 2.7K | 67 | 32 |
| 430 | Dynamics | 107 | 2.7K | 76 | 51 |
| 430 | War and Society | 33 | 2.7K | 21 | 14 |
| 432 | Paleoceanography | 37 | 2.7K | 18 | 17 |
| 433 | Cosmochemistry | 88 | 2.7K | 30 | 65 |
| 434 | Environmental Economics | 36 | 2.7K | 14 | 16 |
| 435 | Social Sciences | 107 | 2.7K | 403 | 309 |
| 435 | Oligosaccharide | 34 | 2.7K | 22 | 15 |
| 437 | Psychoneuroimmunology | 45 | 2.6K | 60 | 60 |
| 437 | Neuroimmunology | 45 | 2.6K | 74 | 70 |
| 439 | Public Policy | 39 | 2.6K | 365 | 167 |
| 440 | Gene expression regulation | 33 | 2.6K | 172 | 183 |
| 441 | Hydrodynamics | 71 | 2.6K | 24 | 30 |
| 442 | Catalysts | 60 | 2.6K | 29 | 19 |
| 443 | Biopharmaceutics | 32 | 2.6K | 197 | 69 |
| 444 | Solar System | 68 | 2.6K | 162 | 155 |
| 445 | Microorganisms | 40 | 2.6K | 182 | 210 |
| 446 | Zeolites | 37 | 2.6K | 116 | 44 |
| 447 | Bioinorganic chemistry | 76 | 2.6K | 124 | 84 |
| 448 | Medical Technology | 62 | 2.6K | 117 | 85 |
| 449 | Food Microbiology | 43 | 2.6K | 186 | 152 |
| 450 | Geochemical Modeling | 46 | 2.6K | 29 | 37 |
| 450 | geological modeling | 46 | 2.6K | 34 | 37 |
| 452 | Climate | 32 | 2.5K | 48 | 33 |
| 453 | Ultrasonics | 64 | 2.5K | 52 | 55 |
| 454 | bioclimatology | 31 | 2.5K | 99 | 24 |
| 455 | Industrial Ecology | 54 | 2.5K | 4 | 8 |
| 456 | Tribology | 58 | 2.5K | 133 | 69 |
| 457 | Lightweight concrete | 31 | 2.5K | 54 | 48 |
| 458 | Mechanical Engineering | 117 | 2.5K | 198 | 163 |
| 459 | Electrophysiology | 72 | 2.5K | 97 | 45 |
| 460 | Chemical processes | 58 | 2.5K | 31 | 12 |
| 461 | Human-Computer Interaction | 84 | 2.5K | 50 | 68 |
| 462 | wood | 95 | 2.4K | 21 | 14 |
| 463 | Planetary Science | 98 | 2.4K | 36 | 41 |
| 464 | Obesity | 41 | 2.4K | 536 | 422 |
| 465 | Conservation Biology | 58 | 2.4K | 121 | 163 |
| 466 | Cerebral cortex | 49 | 2.4K | 140 | 174 |
| 467 | particles | 71 | 2.4K | 33 | 15 |
| 468 | Plastics | 63 | 2.4K | 163 | 95 |
| 469 | Cosmology | 48 | 2.4K | 301 | 103 |
| 470 | Nanoelectronics | 100 | 2.4K | 32 | 9 |
| 471 | Group decision making | 23 | 2.4K | 62 | 8 |
| 472 | Public Choice | 22 | 2.4K | 47 | 4 |
| 473 | Animal Nutrition | 95 | 2.4K | 24 | 23 |
| 474 | Sedimentology | 55 | 2.3K | 20 | 37 |
| 475 | vibration | 59 | 2.3K | 134 | 102 |
| 475 | aerosol | 68 | 2.3K | 19 | 15 |
| 477 | Infections | 29 | 2.3K | 274 | 184 |
| 478 | Ergonomics | 91 | 2.3K | 96 | 75 |
| 479 | Semiconductor industry | 96 | 2.3K | 20 | 6 |
| 480 | Agricultural Science | 14 | 2.3K | 80 | 35 |
| 481 | innovation | 29 | 2.3K | 53 | 96 |
| 482 | Product Design | 134 | 2.3K | 17 | 17 |
| 483 | Animal genetics | 111 | 2.3K | 33 | 53 |
| 484 | Epidemiology | 53 | 2.3K | 948 | 755 |
| 485 | Animal ecology | 45 | 2.2K | 232 | 184 |
| 486 | Medical Imaging | 39 | 2.2K | 29 | 39 |
| 487 | Carbon | 49 | 2.2K | 183 | 248 |
| 488 | Education | 54 | 2.2K | 898 | 485 |
| 489 | Machine Learning | 19 | 2.2K | 63 | 49 |
| 490 | Land use | 62 | 2.2K | 58 | 62 |
| 491 | Information Systems | 56 | 2.2K | 88 | 90 |
| 492 | Genetic therapy | 43 | 2.2K | 219 | 195 |
| 493 | Sports Medicine | 86 | 2.2K | 366 | 414 |
| 494 | Chemical analysis | 50 | 2.2K | 82 | 48 |
| 495 | Oncogenes | 27 | 2.2K | 406 | 384 |
| 496 | Integrated Circuits | 63 | 2.1K | 24 | 1 |
| 497 | Social Psychology | 56 | 2.1K | 437 | 460 |
| 498 | Educational Psychology | 41 | 2.1K | 326 | 231 |
| 499 | locomotion | 52 | 2.1K | 42 | 48 |
| 499 | posture | 52 | 2.1K | 42 | 48 |
| 499 | gait | 52 | 2.1K | 42 | 48 |
| 499 | walking | 52 | 2.1K | 42 | 48 |
| 503 | Food additives | 44 | 2.1K | 131 | 143 |
| 504 | Plant Genetics | 31 | 2.1K | 117 | 112 |
| 505 | behavioral medicine | 28 | 2.1K | 344 | 247 |
| 505 | nuclear astrophysics | 26 | 2.1K | 91 | 44 |
| 507 | Health Policy | 44 | 2.1K | 513 | 332 |
| 508 | Schizophrenia | 45 | 2.1K | 230 | 220 |
| 509 | Geobiology | 58 | 2.1K | 16 | 15 |
| 510 | Telecommunication | 74 | 2.1K | 251 | 177 |
| 510 | Development | 43 | 2.1K | 91 | 98 |
| 512 | Social Change | 30 | 2.1K | 103 | 82 |
| 513 | viral genetics | 17 | 2.1K | 128 | 175 |
| 514 | Geothermal Energy | 41 | 2.0K | 12 | 6 |
| 515 | Mechanics | 83 | 2.0K | 70 | 82 |
| 516 | Radiography | 20 | 2.0K | 202 | 76 |
| 517 | Periglacial processes | 28 | 2.0K | 14 | 11 |
| 517 | Permafrost | 28 | 2.0K | 14 | 11 |
| 517 | Frozen ground | 28 | 2.0K | 15 | 11 |
| 520 | Geodesy | 75 | 2.0K | 33 | 31 |
| 521 | Tunneling | 32 | 2.0K | 45 | 34 |
| 521 | underground construction | 32 | 2.0K | 45 | 34 |
| 523 | Molecular Imaging | 48 | 2.0K | 101 | 120 |
| 524 | Geometry | 139 | 2.0K | 19 | 26 |
| 525 | soil management | 38 | 2.0K | 54 | 46 |
| 526 | gene therapy | 35 | 2.0K | 221 | 193 |
| 527 | Pharmaceutical Technology | 43 | 2.0K | 254 | 186 |
| 528 | Stem cells | 64 | 2.0K | 219 | 339 |
| 529 | Economic Assistance | 33 | 2.0K | 92 | 89 |
| 530 | food technology | 43 | 2.0K | 572 | 430 |
| 531 | Smart Materials | 72 | 2.0K | 50 | 65 |
| 532 | Landscape Ecology | 30 | 1.9K | 53 | 35 |
| 533 | Plant genetic engineering | 47 | 1.9K | 117 | 154 |
| 534 | Chromosomes | 65 | 1.9K | 74 | 122 |
| 535 | Hydrometeorology | 19 | 1.9K | 56 | 44 |
| 536 | commerce | 26 | 1.9K | 397 | 236 |
| 537 | Social behavior | 49 | 1.9K | 181 | 216 |
| 538 | Ultrasound | 53 | 1.9K | 32 | 27 |
| 539 | Food Policy | 31 | 1.9K | 35 | 24 |
| 540 | Aging | 58 | 1.9K | 633 | 585 |
| 541 | Plant breeding | 41 | 1.9K | 115 | 59 |
| 542 | Cognition | 59 | 1.9K | 335 | 381 |
| 543 | lasers | 68 | 1.9K | 162 | 116 |
| 544 | environmental indicators | 40 | 1.9K | 80 | 77 |
| 545 | Power Electronics | 75 | 1.9K | 50 | 35 |
| 545 | Ecosystem management | 35 | 1.9K | 76 | 66 |
| 547 | Scandinavia | 27 | 1.9K | 139 | 58 |
| 548 | Entrepreneurship | 20 | 1.8K | 248 | 229 |
| 549 | Vaccines | 29 | 1.8K | 590 | 330 |
| 550 | Respiration | 46 | 1.8K | 304 | 297 |
| 551 | atmosphere | 50 | 1.8K | 66 | 67 |
| 552 | Glaciology | 44 | 1.8K | 23 | 15 |
| 553 | glaciers | 42 | 1.8K | 21 | 15 |
| 554 | Radioisotopes | 73 | 1.8K | 75 | 44 |
| 555 | Astrocytes | 31 | 1.8K | 42 | 77 |
| 556 | optical pattern recognition | 5 | 1.8K | 84 | 6 |
| 557 | clay | 34 | 1.8K | 79 | 62 |
| 558 | drug therapy | 33 | 1.8K | 782 | 512 |
| 559 | tillage | 29 | 1.8K | 48 | 42 |
| 560 | air | 16 | 1.8K | 52 | 34 |
| 561 | International security | 34 | 1.8K | 16 | 26 |
| 562 | Synchrotron Radiation | 47 | 1.8K | 42 | 26 |
| 563 | Cybernetics | 56 | 1.8K | 129 | 164 |
| 564 | structural stability | 25 | 1.8K | 80 | 23 |
| 565 | Nutrition physiology | 28 | 1.8K | 119 | 74 |
| 566 | Biomolecules | 17 | 1.8K | 88 | 48 |
| 567 | conflict management | 33 | 1.7K | 14 | 18 |
| 568 | Magnetic Materials | 71 | 1.7K | 154 | 211 |
| 569 | Physical organic chemistry | 37 | 1.7K | 256 | 113 |
| 570 | Greenhouse gases | 38 | 1.7K | 27 | 38 |
| 571 | Statistical Mechanics | 40 | 1.7K | 199 | 89 |
| 572 | Systems Engineering | 59 | 1.7K | 250 | 176 |
| 573 | Cryptography | 36 | 1.7K | 43 | 15 |
| 574 | Computational Complexity | 71 | 1.7K | 22 | 17 |
| 575 | freshwater biology | 29 | 1.7K | 165 | 106 |
| 576 | Signal Transduction | 40 | 1.7K | 237 | 335 |
| 577 | Regional Planning | 74 | 1.7K | 150 | 215 |
| 578 | Molecular Pharmacology | 36 | 1.7K | 107 | 123 |
| 578 | agricultural policy | 25 | 1.7K | 28 | 20 |
| 580 | Sleep Disorders | 63 | 1.7K | 280 | 339 |
| 581 | Heat Exchangers | 34 | 1.6K | 197 | 157 |
| 582 | Sleep | 63 | 1.6K | 277 | 343 |
| 583 | Analytical Biochemistry | 52 | 1.6K | 196 | 236 |
| 584 | solar power | 26 | 1.6K | 118 | 89 |
| 585 | Organometallic chemistry | 55 | 1.6K | 249 | 141 |
| 586 | brain mapping | 29 | 1.6K | 146 | 143 |
| 587 | supercritical fluids | 36 | 1.6K | 37 | 28 |
| 588 | Strategic planning | 19 | 1.6K | 157 | 61 |
| 589 | Learning | 41 | 1.6K | 266 | 296 |
| 590 | Recombinant DNA | 41 | 1.6K | 238 | 226 |
| 591 | Psychometrics | 6 | 1.6K | 337 | 99 |
| 591 | Technological Innovations | 59 | 1.6K | 31 | 49 |
| 593 | Experimental Psychology | 8 | 1.6K | 357 | 110 |
| 594 | Structure-activity relationship | 8 | 1.6K | 179 | 39 |
| 595 | Environmental Geology | 57 | 1.6K | 136 | 208 |
| 596 | plasticity | 16 | 1.6K | 105 | 68 |
| 597 | Quantum Communication | 24 | 1.5K | 11 | 10 |
| 598 | Soil ecology | 40 | 1.5K | 85 | 108 |
| 599 | Systems Analysis | 39 | 1.5K | 117 | 64 |
| 600 | Radiobiology | 44 | 1.5K | 357 | 370 |
| 600 | optical instruments | 26 | 1.5K | 94 | 61 |
| 602 | Medical Oncology | 46 | 1.5K | 441 | 515 |
| 603 | hydrocolloids | 33 | 1.5K | 106 | 154 |
| 604 | Molecular cloning | 38 | 1.5K | 226 | 210 |
| 604 | Genetic recombination | 38 | 1.5K | 215 | 209 |
| 606 | Structural design | 47 | 1.5K | 75 | 76 |
| 607 | Surface properties | 29 | 1.5K | 162 | 121 |
| 608 | Cell death | 26 | 1.5K | 374 | 420 |
| 609 | Solar power plants | 11 | 1.5K | 63 | 16 |
| 609 | Photovoltaic Cells | 11 | 1.5K | 63 | 16 |
| 611 | Agricultural systems | 46 | 1.5K | 23 | 36 |
| 612 | Microbial Genetics | 24 | 1.5K | 54 | 45 |
| 613 | Bibliometrics | 26 | 1.4K | 13 | 11 |
| 614 | Organizational Behavior | 22 | 1.4K | 152 | 140 |
| 615 | Granular materials | 39 | 1.4K | 33 | 15 |
| 616 | calcification | 12 | 1.4K | 244 | 78 |
| 617 | phytopathogenic bacteria | 23 | 1.4K | 46 | 45 |
| 618 | International Finance | 48 | 1.4K | 231 | 244 |
| 619 | Atmospheric Science | 76 | 1.4K | 2 | 7 |
| 620 | Bioenergetics | 46 | 1.4K | 114 | 158 |
| 621 | DNA polymerases | 18 | 1.4K | 131 | 215 |
| 622 | Geotechnical Engineering | 51 | 1.4K | 78 | 110 |
| 623 | Energy metabolism | 42 | 1.4K | 113 | 149 |
| 624 | data protection | 46 | 1.4K | 9 | 19 |
| 625 | Surface-Active Agents | 23 | 1.4K | 209 | 129 |
| 626 | Social Networks | 20 | 1.3K | 34 | 38 |
| 627 | Organelle biogenesis | 26 | 1.3K | 13 | 9 |
| 628 | Paleontology | 35 | 1.3K | 380 | 259 |
| 628 | Sun | 36 | 1.3K | 119 | 118 |
| 630 | Biological Systems | 53 | 1.3K | 18 | 39 |
| 630 | Organic Geochemistry | 38 | 1.3K | 38 | 82 |
| 632 | Ophthalmology | 29 | 1.3K | 622 | 497 |
| 633 | Geriatrics | 36 | 1.3K | 932 | 739 |
| 633 | DNA | 29 | 1.3K | 29 | 12 |
| 635 | Environmental risk assessment | 31 | 1.3K | 16 | 16 |
| 636 | cell membrane | 37 | 1.3K | 116 | 146 |
| 637 | Industrial Policy | 15 | 1.3K | 126 | 32 |
| 638 | Medical Anthropology | 8 | 1.3K | 827 | 365 |
| 639 | amino acids | 12 | 1.2K | 164 | 32 |
| 640 | forest policy | 34 | 1.2K | 53 | 30 |
| 641 | Cardiovascular system | 24 | 1.2K | 622 | 777 |
| 642 | Electrophoresis | 33 | 1.2K | 383 | 295 |
| 643 | Plant tissue culture | 48 | 1.2K | 55 | 82 |
| 643 | Porous materials | 68 | 1.2K | 18 | 30 |
| 645 | research and development | 22 | 1.2K | 17 | 19 |
| 646 | Systems Theory | 47 | 1.2K | 14 | 7 |
| 647 | Critical Care | 13 | 1.2K | 954 | 738 |
| 647 | Critical Care Medicine | 13 | 1.2K | 905 | 738 |
| 649 | mammals | 29 | 1.2K | 231 | 126 |
| 650 | Pharmacokinetics | 26 | 1.2K | 163 | 123 |
| 651 | Fertilizers | 37 | 1.2K | 54 | 47 |
| 652 | Medicinal plants | 14 | 1.2K | 600 | 306 |
| 652 | Ultrasonic Imaging | 39 | 1.2K | 33 | 28 |
| 654 | Health promotion | 22 | 1.2K | 484 | 329 |
| 655 | Civil Engineering | 90 | 1.2K | 148 | 153 |
| 656 | Chemical Ecology | 28 | 1.2K | 96 | 97 |
| 657 | peptides | 29 | 1.2K | 110 | 39 |
| 658 | Plant Biotechnology | 15 | 1.2K | 280 | 140 |
| 659 | Welfare Economics | 27 | 1.2K | 58 | 65 |
| 660 | Soil fertility | 22 | 1.2K | 57 | 67 |
| 660 | Reproduction | 45 | 1.2K | 611 | 687 |
| 662 | biological invasions | 24 | 1.1K | 88 | 65 |
| 663 | Extracellular matrix | 15 | 1.1K | 55 | 59 |
| 663 | collagen | 15 | 1.1K | 62 | 59 |
| 665 | Crystallization | 33 | 1.1K | 48 | 35 |
| 666 | Sustainable agriculture | 32 | 1.1K | 87 | 92 |
| 667 | Mathematical Economics | 11 | 1.1K | 132 | 95 |
| 668 | Landslides | 33 | 1.1K | 18 | 32 |
| 669 | Thin Films | 33 | 1.1K | 48 | 30 |
| 670 | Combinatorial analysis | 117 | 1.1K | 45 | 84 |
| 671 | Luminescence | 56 | 1.1K | 95 | 99 |
| 672 | Lipids | 30 | 1.1K | 303 | 396 |
| 673 | Transplantation | 13 | 1.1K | 704 | 474 |
| 673 | Plant cell culture | 32 | 1.1K | 67 | 98 |
| 675 | Animal breeding | 44 | 1.1K | 133 | 138 |
| 676 | Insects | 27 | 1.1K | 414 | 268 |
| 677 | Chromatography | 37 | 1.1K | 315 | 237 |
| 677 | internet | 32 | 1.1K | 229 | 163 |
| 677 | Chromatographic analysis | 37 | 1.1K | 409 | 294 |
| 680 | economic conditions | 10 | 1.1K | 318 | 103 |
| 681 | hazard mitigation | 39 | 1.1K | 64 | 99 |
| 682 | Japan | 25 | 1.1K | 548 | 219 |
| 683 | Physical Geography | 14 | 1.1K | 185 | 48 |
| 684 | Radiation effects | 23 | 1.1K | 74 | 74 |
| 685 | Enzyme | 25 | 1.1K | 52 | 65 |
| 686 | Artificial Organs | 38 | 1.0K | 90 | 53 |
| 687 | Economic Thought | 7 | 1.0K | 180 | 91 |
| 687 | Synthetic biology | 32 | 1.0K | 36 | 39 |
| 689 | Computational Mathematics | 23 | 1.0K | 2 | 5 |
| 690 | Oxidation-reduction | 15 | 1.0K | 274 | 330 |
| 691 | Actuarial Science | 47 | 1.0K | 19 | 28 |
| 692 | Radio | 29 | 1.0K | 181 | 90 |
| 693 | Building | 34 | 1.0K | 118 | 86 |
| 694 | Transgenic plants | 23 | 1.0K | 83 | 79 |
| 695 | national security | 21 | 1.0K | 54 | 27 |
| 696 | Sports | 44 | 991 | 503 | 542 |
| 697 | Child psychology | 9 | 977 | 946 | 575 |
| 698 | China | 53 | 976 | 553 | 597 |
| 699 | software | 30 | 974 | 81 | 114 |
| 700 | Parasitic Diseases | 26 | 966 | 705 | 645 |
| 701 | Geographic information systems | 60 | 948 | 56 | 91 |
| 702 | animals | 42 | 946 | 175 | 164 |
| 703 | Social Systems | 38 | 945 | 3 | 6 |
| 704 | Yeast | 14 | 944 | 129 | 81 |
| 705 | Diagnostic microbiology | 6 | 943 | 1152 | 718 |
| 706 | pheromones | 23 | 940 | 101 | 110 |
| 707 | toxicity testing | 13 | 939 | 222 | 94 |
| 708 | Adsorption | 22 | 933 | 11 | 6 |
| 709 | Cell surface receptors | 23 | 931 | 3 | 1 |
| 710 | Topology | 45 | 926 | 20 | 11 |
| 711 | Radiochemistry | 51 | 923 | 161 | 121 |
| 712 | Liver diseases | 19 | 922 | 669 | 822 |
| 713 | Plant Pathology | 21 | 919 | 23 | 12 |
| 714 | Superconductors | 43 | 918 | 110 | 95 |
| 715 | Number Theory | 76 | 912 | 34 | 11 |
| 716 | environmental exposure | 32 | 905 | 376 | 504 |
| 717 | Child | 14 | 901 | 1335 | 713 |
| 718 | mutagens | 23 | 894 | 221 | 300 |
| 718 | Population | 25 | 894 | 265 | 192 |
| 720 | Orthopedics | 44 | 888 | 379 | 513 |
| 721 | Chemical Oceanography | 12 | 885 | 132 | 119 |
| 722 | insurance | 36 | 884 | 48 | 42 |
| 723 | Chemical industry | 163 | 879 | 55 | 178 |
| 724 | clay minerals | 21 | 873 | 47 | 46 |
| 725 | Calculus of Variations | 37 | 852 | 46 | 30 |
| 726 | European Union | 25 | 848 | 12 | 18 |
| 727 | Therapeutics | 33 | 843 | 492 | 742 |
| 728 | Tissue Engineering | 16 | 832 | 59 | 57 |
| 729 | Chemotherapy | 6 | 827 | 1208 | 413 |
| 730 | Nonlinear functional analysis | 37 | 804 | 181 | 187 |
| 731 | Microprocessors | 27 | 802 | 53 | 17 |
| 731 | marketing | 19 | 802 | 760 | 680 |
| 731 | Sedimentary rocks | 15 | 802 | 194 | 126 |
| 734 | RNA | 24 | 797 | 104 | 183 |
| 735 | Parasitology | 26 | 795 | 924 | 780 |
| 736 | Raman spectroscopy | 19 | 794 | 187 | 111 |
| 737 | catalytic activity | 19 | 790 | 188 | 188 |
| 738 | infrared radiation | 43 | 788 | 39 | 34 |
| 738 | Discrete geometry | 53 | 788 | 16 | 26 |
| 738 | Vision | 14 | 788 | 303 | 247 |
| 741 | Risk assessment | 25 | 787 | 47 | 30 |
| 742 | Mountains | 15 | 786 | 72 | 10 |
| 743 | Medical Ethics | 19 | 785 | 377 | 167 |
| 744 | Intelligent Transportation Systems | 40 | 779 | 99 | 122 |
| 744 | social science | 4 | 779 | 136 | 44 |
| 746 | Quantum Computing | 30 | 778 | 18 | 30 |
| 747 | Mechatronics | 26 | 777 | 120 | 71 |
| 748 | sedimentary basins | 13 | 773 | 49 | 34 |
| 748 | Protein engineering | 18 | 773 | 41 | 54 |
| 750 | Genes | 30 | 771 | 210 | 262 |
| 751 | Minerals | 24 | 769 | 117 | 103 |
| 752 | Serology | 15 | 763 | 120 | 66 |
| 753 | Rock deformation | 14 | 761 | 39 | 19 |
| 754 | Histochemistry | 24 | 760 | 288 | 235 |
| 755 | Microbial Metabolism | 16 | 745 | 10 | 7 |
| 756 | Sound | 21 | 740 | 204 | 56 |
| 757 | Ethics | 24 | 736 | 233 | 137 |
| 758 | Developmental Psychology | 18 | 734 | 400 | 439 |
| 759 | System design | 14 | 730 | 50 | 16 |
| 760 | Radio frequency | 18 | 727 | 60 | 33 |
| 761 | Electromagnetism | 32 | 724 | 107 | 126 |
| 761 | Nonlinear systems | 17 | 724 | 170 | 101 |
| 763 | Online social networks | 7 | 722 | 125 | 24 |
| 764 | Nondestructive testing | 15 | 720 | 210 | 103 |
| 765 | mutation | 34 | 719 | 74 | 202 |
| 765 | ports | 8 | 719 | 121 | 32 |
| 765 | Waterways | 8 | 719 | 88 | 13 |
| 765 | Harbors | 8 | 719 | 96 | 14 |
| 769 | Archaeology | 26 | 718 | 467 | 350 |
| 769 | Health | 34 | 718 | 587 | 743 |
| 771 | Game Theory | 35 | 715 | 78 | 110 |
| 772 | Microfabrication | 22 | 714 | 58 | 45 |
| 773 | eye | 5 | 712 | 148 | 157 |
| 774 | Retina | 4 | 709 | 148 | 154 |
| 774 | Multivariate Analysis | 15 | 709 | 143 | 102 |
| 774 | Genetic translocation | 15 | 709 | 22 | 19 |
| 774 | plasmids | 15 | 709 | 22 | 19 |
| 778 | Ecological Engineering | 12 | 708 | 186 | 130 |
| 778 | Nuclear Chemistry | 40 | 708 | 214 | 208 |
| 780 | Clinical Pharmacology | 16 | 707 | 678 | 459 |
| 780 | Asia | 34 | 707 | 629 | 510 |
| 782 | Oxidative stress | 12 | 705 | 494 | 446 |
| 782 | European integration | 18 | 705 | 53 | 40 |
| 782 | European Economic Community | 18 | 705 | 53 | 40 |
| 782 | Exercise | 28 | 705 | 357 | 351 |
| 786 | Applied Sciences | 4 | 701 | 10 | 13 |
| 786 | Applied Mechanics | 4 | 701 | 10 | 13 |
| 788 | Teaching | 29 | 695 | 449 | 414 |
| 789 | Quantum Chemistry | 24 | 687 | 223 | 136 |
| 790 | radiative transfer | 16 | 685 | 236 | 143 |
| 791 | Cellulose | 17 | 683 | 144 | 159 |
| 792 | Volcanoes | 26 | 682 | 57 | 80 |
| 793 | Synapses | 5 | 679 | 225 | 75 |
| 794 | Government policy | 8 | 678 | 73 | 32 |
| 795 | Imaging systems | 23 | 677 | 120 | 52 |
| 796 | Algebra | 52 | 671 | 310 | 221 |
| 797 | analysis | 34 | 669 | 50 | 125 |
| 798 | Forest genetics | 14 | 665 | 79 | 23 |
| 799 | Measurement | 33 | 661 | 209 | 257 |
| 799 | health planning | 25 | 661 | 644 | 530 |
| 801 | Plasma chemistry | 24 | 660 | 56 | 68 |
| 802 | Communication | 19 | 659 | 803 | 601 |
| 803 | carcinogens | 19 | 653 | 308 | 405 |
| 803 | Elections | 10 | 653 | 167 | 64 |
| 805 | Architecture | 48 | 650 | 52 | 49 |
| 806 | Toxins | 6 | 647 | 679 | 170 |
| 807 | landscapes | 28 | 646 | 9 | 18 |
| 808 | Evolutionary Genetics | 18 | 645 | 107 | 98 |
| 808 | Molecular Epidemiology | 18 | 645 | 107 | 98 |
| 808 | Political Participation | 9 | 645 | 151 | 61 |
| 811 | Graph Theory | 59 | 638 | 58 | 86 |
| 812 | Pediatrics | 17 | 637 | 1330 | 1407 |
| 812 | Telecommunication Systems | 33 | 637 | 296 | 316 |
| 814 | Energy Consumption | 18 | 636 | 27 | 20 |
| 814 | Travel | 17 | 636 | 233 | 135 |
| 816 | Plasma polymerization | 22 | 635 | 35 | 49 |
| 817 | Structural optimization | 20 | 632 | 76 | 93 |
| 818 | Sonochemistry | 9 | 631 | 252 | 203 |
| 819 | arthritis | 17 | 628 | 629 | 775 |
| 820 | Sites | 14 | 624 | 220 | 220 |
| 821 | election law | 8 | 619 | 121 | 50 |
| 821 | Voting | 8 | 619 | 112 | 48 |
| 823 | Inflammation | 8 | 615 | 831 | 498 |
| 824 | Quality Control | 19 | 612 | 552 | 507 |
| 824 | food contamination | 15 | 612 | 304 | 163 |
| 826 | Production Planning | 16 | 611 | 41 | 52 |
| 826 | Production Control | 16 | 611 | 41 | 52 |
| 826 | phase diagrams | 15 | 611 | 56 | 27 |
| 829 | Structuralism | 14 | 610 | 35 | 65 |
| 830 | Flexible manufacturing systems | 12 | 602 | 97 | 54 |
| 831 | occupational diseases | 8 | 600 | 530 | 309 |
| 832 | Kalman Filtering | 49 | 598 | 7 | 9 |
| 833 | Nanochemistry | 23 | 597 | 245 | 196 |
| 834 | Multimedia Systems | 36 | 595 | 265 | 274 |
| 835 | Random graphs | 53 | 589 | 6 | 30 |
| 836 | Small Business | 13 | 588 | 288 | 430 |
| 837 | Culture techniques | 25 | 585 | 34 | 59 |
| 838 | Global Health | 15 | 584 | 419 | 193 |
| 839 | Urban Policy | 15 | 579 | 232 | 193 |
| 840 | Thermodynamics | 43 | 577 | 154 | 204 |
| 841 | Carcinogenesis | 17 | 575 | 353 | 472 |
| 842 | Nuclear Energy | 64 | 572 | 177 | 285 |
| 843 | Distributed Databases | 23 | 568 | 10 | 20 |
| 844 | Soil dynamics | 31 | 567 | 69 | 130 |
| 845 | Radiopharmaceuticals | 21 | 566 | 83 | 21 |
| 845 | Peptide | 12 | 566 | 72 | 26 |
| 847 | Nuclear Engineering | 83 | 565 | 187 | 302 |
| 848 | Soil | 5 | 563 | 51 | 33 |
| 849 | environmental control | 12 | 562 | 60 | 46 |
| 850 | medical education | 17 | 554 | 807 | 596 |
| 851 | Documentation | 7 | 552 | 190 | 77 |
| 852 | health services accessibility | 9 | 551 | 549 | 261 |
| 853 | cell interaction | 14 | 550 | 508 | 502 |
| 854 | baking | 7 | 548 | 112 | 49 |
| 855 | Anthropology | 12 | 545 | 878 | 456 |
| 856 | disarmament | 15 | 542 | 34 | 24 |
| 856 | polar regions | 21 | 542 | 185 | 198 |
| 858 | Ventilation | 21 | 541 | 111 | 150 |
| 858 | electroplating | 3 | 541 | 67 | 1 |
| 858 | surface preparation | 3 | 541 | 58 | 1 |
| 861 | Immunopathology | 18 | 535 | 611 | 674 |
| 862 | Climate Change Mitigation | 6 | 534 | 9 | 24 |
| 862 | Global warming | 6 | 534 | 34 | 26 |
| 862 | sea level | 6 | 534 | 9 | 24 |
| 865 | Functional Analysis | 47 | 533 | 209 | 368 |
| 865 | Nanobiotechnology | 11 | 533 | 128 | 159 |
| 867 | Health Risk Assessment | 14 | 531 | 77 | 31 |
| 868 | Neuroimaging | 22 | 525 | 45 | 55 |
| 869 | technology transfer | 8 | 524 | 68 | 55 |
| 870 | Computational Fluid Dynamics | 35 | 519 | 60 | 169 |
| 870 | Turbulence | 32 | 519 | 15 | 36 |
| 872 | Nanophotonics | 8 | 518 | 156 | 91 |
| 873 | pigments | 14 | 512 | 297 | 225 |
| 874 | disease outbreaks | 18 | 511 | 145 | 229 |
| 874 | Epidemics | 18 | 511 | 141 | 228 |
| 876 | food handling | 14 | 509 | 280 | 327 |
| 877 | Dendrochronology | 3 | 507 | 27 | 3 |
| 878 | biomimicry | 12 | 506 | 31 | 34 |
| 879 | Invertebrates | 17 | 504 | 169 | 159 |
| 880 | Bifurcation Theory | 18 | 502 | 158 | 119 |
| 880 | Spine | 19 | 502 | 261 | 386 |
| 882 | Microbial Biotechnology | 13 | 498 | 309 | 273 |
| 883 | phenomics | 7 | 497 | 15 | 7 |
| 884 | Intelligent Control Systems | 28 | 495 | 145 | 133 |
| 884 | Bacteriophages | 9 | 495 | 3 | 8 |
| 886 | Real-time Data Processing | 16 | 490 | 15 | 18 |
| 887 | Harmonic Analysis | 15 | 489 | 29 | 43 |
| 888 | Algorithms | 30 | 488 | 59 | 138 |
| 889 | Humanities | 29 | 486 | 369 | 228 |
| 890 | Democracy | 17 | 482 | 51 | 26 |
| 891 | Origin of life | 10 | 481 | 29 | 23 |
| 892 | Criminology | 14 | 480 | 449 | 304 |
| 893 | Comparative Physiology | 28 | 478 | 206 | 337 |
| 894 | pain | 24 | 475 | 489 | 809 |
| 895 | ecological risk assessment | 12 | 470 | 42 | 28 |
| 896 | Computer Architecture | 44 | 469 | 34 | 76 |
| 896 | personality | 14 | 469 | 693 | 787 |
| 896 | Phylogeny | 15 | 469 | 354 | 502 |
| 899 | Human Geography | 38 | 467 | 234 | 361 |
| 900 | Liposomes | 18 | 464 | 126 | 202 |
| 901 | forestry | 19 | 460 | 56 | 67 |
| 902 | Marine Geology | 9 | 459 | 332 | 217 |
| 902 | Petroleum Geology | 9 | 459 | 313 | 216 |
| 904 | Neuropharmacology | 13 | 457 | 255 | 225 |
| 905 | Drug discovery | 8 | 456 | 111 | 67 |
| 906 | Hormones | 17 | 454 | 589 | 736 |
| 907 | population geography | 17 | 450 | 65 | 85 |
| 908 | biofuels | 6 | 447 | 177 | 183 |
| 909 | Child Development | 7 | 444 | 1500 | 1045 |
| 910 | Parasites | 15 | 438 | 753 | 674 |
| 911 | Microfluidics | 16 | 437 | 33 | 45 |
| 912 | Ecological Genetics | 23 | 436 | 101 | 124 |
| 913 | Antioxidants | 7 | 435 | 525 | 541 |
| 914 | Paleobotany | 9 | 431 | 60 | 39 |
| 914 | Vegetation dynamics | 9 | 431 | 57 | 38 |
| 916 | Ecohydrology | 22 | 430 | 24 | 64 |
| 917 | Logistics | 19 | 429 | 88 | 215 |
| 918 | Neurosurgery | 3 | 428 | 1257 | 606 |
| 919 | Textile industry | 28 | 427 | 106 | 91 |
| 920 | Organizational change | 19 | 426 | 128 | 225 |
| 921 | Physical Therapy | 16 | 425 | 555 | 718 |
| 922 | Democratization | 9 | 423 | 24 | 21 |
| 923 | foreign exchange | 12 | 422 | 96 | 140 |
| 924 | Urology | 12 | 419 | 1164 | 1082 |
| 924 | Isotopes | 17 | 419 | 6 | 9 |
| 926 | Virtual reality | 23 | 418 | 20 | 74 |
| 926 | Research Design | 18 | 418 | 425 | 607 |
| 926 | Metallic Glasses | 13 | 418 | 173 | 170 |
| 929 | preventive medicine | 6 | 416 | 1103 | 714 |
| 929 | human development | 13 | 416 | 328 | 393 |
| 931 | Calorimetry | 13 | 410 | 495 | 287 |
| 931 | Thermal analysis | 13 | 410 | 495 | 287 |
| 933 | weather forecasting | 12 | 407 | 77 | 80 |
| 934 | Social Choice Theory | 17 | 406 | 36 | 35 |
| 934 | Hippocampus | 9 | 406 | 139 | 190 |
| 936 | Human evolution | 4 | 404 | 406 | 252 |
| 937 | histological techniques | 10 | 403 | 428 | 421 |
| 937 | individual differences | 4 | 403 | 233 | 113 |
| 939 | Superconductivity | 20 | 399 | 151 | 155 |
| 939 | Muscles | 11 | 399 | 488 | 542 |
| 939 | Consciousness | 8 | 399 | 257 | 177 |
| 942 | international trade | 16 | 393 | 180 | 230 |
| 943 | Physical fitness | 6 | 391 | 857 | 505 |
| 943 | construction | 8 | 391 | 78 | 64 |
| 945 | Business Ethics | 10 | 387 | 484 | 709 |
| 946 | Rheumatology | 8 | 385 | 946 | 837 |
| 946 | DNS | 5 | 385 | 409 | 165 |
| 946 | bees | 8 | 385 | 226 | 143 |
| 949 | Petroleum Engineering | 16 | 383 | 301 | 313 |
| 949 | public works | 23 | 383 | 10 | 34 |
| 951 | Microeconomics | 15 | 380 | 94 | 147 |
| 952 | Biomass | 9 | 378 | 274 | 355 |
| 953 | Genetic Toxicology | 14 | 377 | 119 | 267 |
| 954 | mental processes | 20 | 373 | 64 | 88 |
| 955 | Lipid bilayers | 15 | 372 | 133 | 225 |
| 956 | Aquatic ecology | 18 | 369 | 299 | 422 |
| 957 | Biometrics | 27 | 367 | 338 | 530 |
| 957 | musculoskeletal system | 13 | 367 | 20 | 36 |
| 959 | Germany | 53 | 366 | 69 | 72 |
| 960 | plant viruses | 7 | 365 | 116 | 60 |
| 960 | Money | 10 | 365 | 71 | 96 |
| 962 | Marine Ecology | 10 | 364 | 422 | 292 |
| 963 | Matroids | 27 | 363 | 27 | 58 |
| 964 | Obstetrics | 8 | 362 | 1983 | 1444 |
| 964 | Uncertainty | 8 | 362 | 57 | 72 |
| 966 | Air Conditioning | 11 | 359 | 58 | 28 |
| 966 | Social policy | 12 | 359 | 484 | 318 |
| 966 | heating | 10 | 359 | 52 | 28 |
| 969 | air quality management | 16 | 357 | 93 | 196 |
| 970 | Entropy | 45 | 356 | 59 | 227 |
| 970 | magnetic resonance | 26 | 356 | 57 | 115 |
| 972 | Financial Institutions | 6 | 355 | 248 | 123 |
| 973 | environmental remediation | 10 | 354 | 75 | 58 |
| 974 | transgenic organisms | 10 | 350 | 62 | 87 |
| 974 | transgenic animals | 10 | 350 | 57 | 82 |
| 976 | Africa | 24 | 349 | 457 | 441 |
| 977 | Cartography | 65 | 347 | 19 | 57 |
| 977 | Health Services Research | 9 | 347 | 1156 | 848 |
| 977 | Logic Programming | 17 | 347 | 69 | 52 |
| 980 | exobiology | 13 | 346 | 110 | 214 |
| 981 | Rural Development | 12 | 345 | 198 | 207 |
| 982 | Eigenvalues | 45 | 344 | 10 | 5 |
| 983 | Vocational guidance | 9 | 343 | 491 | 498 |
| 984 | Celestial Mechanics | 17 | 342 | 61 | 77 |
| 984 | X-ray crystallography | 27 | 342 | 130 | 190 |
| 984 | Developed countries | 3 | 342 | 235 | 84 |
| 987 | Metallography | 8 | 337 | 520 | 359 |
| 987 | Detectors | 23 | 337 | 200 | 166 |
| 987 | natural gas | 9 | 337 | 206 | 167 |
| 990 | Animal Physiology | 21 | 336 | 28 | 78 |
| 990 | Natural selection | 21 | 336 | 28 | 78 |
| 990 | genetic selection | 21 | 336 | 28 | 78 |
| 993 | scientific societies | 9 | 334 | 457 | 372 |
| 994 | Microcirculation | 10 | 333 | 194 | 186 |
| 995 | Agricultural Economics | 11 | 332 | 22 | 18 |
| 995 | cloning | 9 | 332 | 381 | 619 |
| 997 | NMR | 24 | 329 | 68 | 117 |
| 998 | Hypertension | 3 | 328 | 1976 | 1562 |
| 999 | Industrial Design | 17 | 327 | 33 | 58 |
| 999 | Urban Transportation | 10 | 327 | 44 | 16 |