| 1 | Chemistry | 4,647 | 134.3K | 31 | 153 |
| 2 | Physics | 2,783 | 129.5K | 117 | 233 |
| 3 | Biology | 2,145 | 107.4K | 120 | 255 |
| 4 | Science | 1,388 | 104.6K | 225 | 263 |
| 5 | Biochemistry | 2,583 | 89.1K | 97 | 144 |
| 6 | Ecology | 1,515 | 87.9K | 51 | 74 |
| 7 | Molecular Biology | 1,977 | 73.3K | 76 | 191 |
| 8 | Polymers | 2,894 | 62.0K | 5 | 20 |
| 9 | Botany | 1,858 | 57.7K | 8 | 43 |
| 10 | polymerization | 2,528 | 53.3K | 4 | 16 |
| 11 | Astrophysics | 1,131 | 52.4K | 93 | 150 |
| 12 | Nuclear Physics | 1,362 | 50.6K | 150 | 146 |
| 13 | Astronomy | 1,141 | 48.2K | 102 | 161 |
| 14 | Microbiology | 1,401 | 43.5K | 71 | 212 |
| 15 | Natural history | 278 | 35.8K | 204 | 352 |
| 16 | Medicine | 904 | 35.3K | 341 | 410 |
| 17 | Environment | 354 | 33.7K | 212 | 143 |
| 18 | Pollution | 457 | 33.3K | 161 | 128 |
| 19 | Materials | 1,132 | 33.1K | 130 | 233 |
| 20 | Research | 878 | 31.1K | 247 | 266 |
| 21 | Plant Ecology | 738 | 30.2K | 2 | 3 |
| 22 | Biophysics | 980 | 29.7K | 91 | 123 |
| 23 | Biotechnology | 601 | 29.7K | 155 | 184 |
| 24 | Catalysis | 851 | 28.8K | 43 | 95 |
| 25 | Condensed Matter | 923 | 27.2K | 103 | 139 |
| 26 | Biodiversity conservation | 187 | 26.9K | 45 | 19 |
| 27 | Cytology | 557 | 26.8K | 147 | 256 |
| 28 | Solid State Physics | 975 | 25.1K | 105 | 148 |
| 29 | Cell Biology | 505 | 24.5K | 140 | 278 |
| 30 | biological evolution | 295 | 24.2K | 47 | 54 |
| 31 | Spectrum analysis | 647 | 23.8K | 87 | 165 |
| 32 | Analytical Chemistry | 612 | 21.3K | 65 | 72 |
| 33 | Evolution | 272 | 21.3K | 41 | 44 |
| 34 | Genetics | 410 | 20.7K | 146 | 229 |
| 35 | Plant cells | 221 | 20.4K | 40 | 72 |
| 36 | Plants | 518 | 20.1K | 10 | 50 |
| 37 | Parasitology | 802 | 18.8K | 6 | 16 |
| 38 | Nanotechnology | 440 | 18.8K | 241 | 308 |
| 39 | Plant physiology | 400 | 18.2K | 25 | 44 |
| 40 | Chemical Engineering | 491 | 17.3K | 155 | 211 |
| 41 | Pharmaceutical Chemistry | 456 | 17.1K | 71 | 102 |
| 42 | Electrochemistry | 612 | 16.9K | 63 | 67 |
| 43 | Climate change | 79 | 16.5K | 79 | 42 |
| 44 | Eutrophication | 78 | 16.5K | 79 | 42 |
| 45 | Entomology | 1,063 | 16.4K | 8 | 23 |
| 46 | Geophysics | 636 | 15.9K | 139 | 224 |
| 47 | Biodiversity | 268 | 15.6K | 18 | 21 |
| 48 | plant communities | 274 | 15.4K | 2 | 5 |
| 49 | Bioengineering | 250 | 14.7K | 206 | 247 |
| 50 | plant molecular biology | 249 | 14.4K | 42 | 80 |
| 51 | environmental pollution | 317 | 13.9K | 136 | 149 |
| 52 | Electrophoresis | 405 | 13.1K | 2 | 3 |
| 53 | Biomedical Engineering | 259 | 13.0K | 260 | 177 |
| 54 | Clinical Chemistry | 314 | 12.8K | 53 | 67 |
| 55 | Physiology | 474 | 12.7K | 139 | 238 |
| 56 | Physical Chemistry | 309 | 12.6K | 29 | 62 |
| 57 | Mathematical Physics | 243 | 12.3K | 135 | 81 |
| 58 | Surface Chemistry | 602 | 12.3K | 41 | 144 |
| 59 | Microbial Ecology | 219 | 11.8K | 80 | 141 |
| 60 | Metallurgy | 278 | 11.7K | 83 | 97 |
| 61 | Molecular Genetics | 240 | 11.4K | 34 | 62 |
| 62 | Colloids | 466 | 11.3K | 82 | 180 |
| 63 | Immunology | 263 | 11.0K | 300 | 383 |
| 64 | Biocompatible Materials | 305 | 10.7K | 189 | 315 |
| 65 | Parasitic Diseases | 358 | 10.6K | 17 | 34 |
| 66 | Environmental monitoring | 224 | 10.2K | 98 | 129 |
| 67 | Technology | 209 | 9.9K | 211 | 103 |
| 68 | Materials Science | 401 | 9.8K | 230 | 373 |
| 69 | Mathematics | 1,020 | 9.8K | 110 | 221 |
| 70 | Metals | 174 | 9.7K | 123 | 103 |
| 71 | nucleic acids | 211 | 9.5K | 55 | 168 |
| 72 | Pharmacology | 328 | 9.4K | 376 | 424 |
| 73 | Parasites | 282 | 9.3K | 14 | 17 |
| 74 | Soil biology | 193 | 9.2K | 14 | 38 |
| 75 | Insects | 595 | 9.2K | 6 | 17 |
| 76 | soil microbiology | 168 | 8.9K | 44 | 74 |
| 77 | Neurology | 278 | 8.8K | 500 | 661 |
| 78 | Human genetics | 69 | 8.8K | 389 | 510 |
| 79 | Organic Chemistry | 333 | 8.8K | 66 | 130 |
| 80 | Statistical physics | 388 | 8.7K | 204 | 276 |
| 81 | Developmental Biology | 145 | 8.5K | 162 | 201 |
| 82 | Biogeography | 163 | 8.1K | 6 | 16 |
| 83 | Environmental Health | 194 | 8.0K | 385 | 447 |
| 84 | Genomics | 247 | 7.9K | 101 | 158 |
| 85 | Biochemical Engineering | 138 | 7.9K | 250 | 346 |
| 86 | Bioorganic chemistry | 244 | 7.6K | 63 | 118 |
| 87 | Optics | 346 | 7.6K | 297 | 275 |
| 88 | Zoology | 396 | 7.4K | 27 | 71 |
| 89 | Population Genetics | 145 | 7.3K | 35 | 64 |
| 90 | Electrochemical Analysis | 271 | 7.2K | 7 | 13 |
| 91 | Molecular evolution | 174 | 7.1K | 33 | 98 |
| 92 | Chromosomes | 154 | 7.0K | 6 | 9 |
| 93 | Virology | 160 | 6.9K | 288 | 509 |
| 94 | nanoscience | 164 | 6.6K | 220 | 311 |
| 95 | Solar System | 201 | 6.6K | 31 | 45 |
| 96 | Molecular ecology | 129 | 6.3K | 31 | 81 |
| 97 | Climatology | 188 | 6.3K | 94 | 154 |
| 98 | Quantum Gravity | 260 | 6.2K | 228 | 317 |
| 99 | Environmental Engineering | 104 | 6.0K | 403 | 344 |
| 100 | Plastics | 306 | 5.9K | 7 | 16 |
| 101 | Nanostructures | 84 | 5.8K | 131 | 120 |
| 102 | Mycology | 132 | 5.7K | 72 | 59 |
| 103 | Earth Sciences | 192 | 5.7K | 176 | 275 |
| 104 | Computer Vision | 8 | 5.7K | 638 | 75 |
| 105 | Toxicology | 203 | 5.6K | 347 | 461 |
| 106 | Molecular structure | 164 | 5.6K | 66 | 141 |
| 107 | Nanostructured Materials | 227 | 5.5K | 192 | 317 |
| 108 | Bioenergetics | 136 | 5.5K | 14 | 25 |
| 109 | Environmental Policy | 79 | 5.4K | 347 | 276 |
| 110 | ecosystem | 94 | 5.2K | 44 | 63 |
| 111 | Membranes | 151 | 5.2K | 87 | 144 |
| 112 | Optical materials | 205 | 5.2K | 132 | 264 |
| 113 | Meteorology | 182 | 5.1K | 170 | 282 |
| 114 | Geology | 289 | 4.9K | 210 | 345 |
| 115 | Molecules | 182 | 4.9K | 20 | 49 |
| 116 | Embryology | 124 | 4.8K | 126 | 212 |
| 117 | Immunity | 87 | 4.8K | 233 | 402 |
| 118 | Fungi | 90 | 4.8K | 46 | 43 |
| 119 | Agricultural Ecology | 43 | 4.8K | 143 | 67 |
| 120 | Agriculture | 69 | 4.7K | 258 | 120 |
| 121 | Geography | 184 | 4.7K | 119 | 175 |
| 122 | Chromatographic analysis | 203 | 4.7K | 24 | 21 |
| 123 | Phylogeny | 114 | 4.7K | 14 | 33 |
| 124 | Mass Spectrometry | 150 | 4.7K | 16 | 29 |
| 125 | Nonlinear Dynamics | 170 | 4.6K | 160 | 181 |
| 126 | Chromatography | 188 | 4.5K | 13 | 13 |
| 127 | Computational Chemistry | 53 | 4.5K | 12 | 55 |
| 128 | disease vectors | 134 | 4.5K | 12 | 17 |
| 129 | Neurophysiology | 126 | 4.4K | 350 | 467 |
| 130 | gene mapping | 112 | 4.4K | 115 | 207 |
| 131 | Reproduction | 154 | 4.4K | 142 | 185 |
| 132 | Industrial Microbiology | 96 | 4.2K | 84 | 112 |
| 133 | Soil Science | 105 | 4.2K | 134 | 143 |
| 134 | Cell differentiation | 75 | 4.2K | 236 | 308 |
| 135 | Neurochemistry | 128 | 4.1K | 224 | 297 |
| 136 | Composite Materials | 146 | 4.1K | 207 | 330 |
| 137 | Cancer | 106 | 4.0K | 514 | 600 |
| 138 | biological invasions | 86 | 4.0K | 4 | 4 |
| 139 | Wildlife conservation | 80 | 3.9K | 76 | 91 |
| 140 | Planets | 115 | 3.9K | 216 | 280 |
| 141 | Anatomy | 100 | 3.9K | 196 | 239 |
| 142 | Soil ecology | 116 | 3.9K | 13 | 27 |
| 143 | genome | 70 | 3.8K | 169 | 268 |
| 144 | Zeolites | 90 | 3.8K | 17 | 12 |
| 145 | Environmental Microbiology | 94 | 3.7K | 42 | 130 |
| 146 | Economics | 104 | 3.7K | 668 | 432 |
| 147 | Medical Laboratory Science | 87 | 3.7K | 181 | 226 |
| 148 | Energy metabolism | 93 | 3.6K | 26 | 43 |
| 149 | Chromosome mapping | 102 | 3.6K | 99 | 169 |
| 150 | Protozoa | 82 | 3.6K | 8 | 14 |
| 151 | environmental protection | 105 | 3.6K | 242 | 344 |
| 152 | Insect biochemistry | 112 | 3.6K | 8 | 19 |
| 153 | Animal Behavior | 108 | 3.6K | 215 | 288 |
| 154 | Radiation | 200 | 3.5K | 38 | 76 |
| 155 | Solid State Chemistry | 198 | 3.5K | 93 | 149 |
| 156 | mutation | 78 | 3.4K | 11 | 27 |
| 157 | enzymes | 101 | 3.4K | 67 | 91 |
| 158 | Geochemistry | 137 | 3.3K | 223 | 349 |
| 159 | Plant diseases | 134 | 3.3K | 148 | 156 |
| 160 | Water | 70 | 3.3K | 346 | 418 |
| 161 | Bioinorganic chemistry | 130 | 3.3K | 30 | 40 |
| 162 | Environmental Chemistry | 78 | 3.3K | 162 | 311 |
| 163 | mathematical analysis | 252 | 3.2K | 41 | 81 |
| 164 | Environmental Management | 81 | 3.2K | 253 | 331 |
| 165 | Animal ecology | 101 | 3.2K | 75 | 112 |
| 166 | Forest Ecology | 88 | 3.2K | 73 | 91 |
| 167 | cell membrane | 80 | 3.2K | 33 | 45 |
| 168 | Biosensors | 43 | 3.1K | 173 | 141 |
| 169 | Brain | 130 | 3.1K | 291 | 469 |
| 170 | Tropical Medicine | 184 | 3.1K | 35 | 72 |
| 171 | Atmospheric Physics | 93 | 3.0K | 227 | 276 |
| 172 | Engineering | 237 | 3.0K | 183 | 344 |
| 173 | actuators | 106 | 3.0K | 122 | 206 |
| 173 | transducers | 106 | 3.0K | 122 | 206 |
| 175 | Medical Microbiology | 67 | 3.0K | 339 | 386 |
| 176 | Physical organic chemistry | 108 | 2.9K | 30 | 37 |
| 177 | Ethology | 79 | 2.9K | 205 | 279 |
| 178 | Fisheries | 82 | 2.8K | 150 | 143 |
| 179 | Biomass Energy | 48 | 2.8K | 453 | 390 |
| 180 | Conservation Biology | 68 | 2.8K | 82 | 115 |
| 181 | Growth | 46 | 2.8K | 227 | 273 |
| 182 | Water pollution | 49 | 2.8K | 542 | 450 |
| 183 | Forest Management | 65 | 2.7K | 99 | 101 |
| 184 | Bioelectronics | 34 | 2.7K | 168 | 134 |
| 184 | Host-parasite interactions | 59 | 2.7K | 141 | 277 |
| 186 | Histology | 96 | 2.7K | 148 | 242 |
| 187 | Bacteriology | 74 | 2.7K | 258 | 359 |
| 188 | Ceramic materials | 120 | 2.7K | 35 | 62 |
| 189 | Environmental Toxicology | 79 | 2.7K | 181 | 287 |
| 190 | Signal Transduction | 66 | 2.7K | 98 | 177 |
| 191 | Hydrology | 101 | 2.7K | 252 | 320 |
| 192 | Marine Biology | 125 | 2.7K | 258 | 393 |
| 193 | miniaturization | 54 | 2.6K | 306 | 391 |
| 194 | Crystallography | 223 | 2.6K | 22 | 97 |
| 195 | proteins | 130 | 2.6K | 115 | 257 |
| 196 | Algae | 60 | 2.6K | 54 | 52 |
| 197 | Genetic Toxicology | 44 | 2.6K | 14 | 24 |
| 198 | Oxidative stress | 34 | 2.5K | 121 | 77 |
| 199 | Geodynamics | 84 | 2.5K | 47 | 99 |
| 200 | biological factors | 58 | 2.4K | 178 | 159 |
| 201 | Data Mining | 39 | 2.4K | 172 | 163 |
| 202 | Breeding | 73 | 2.4K | 105 | 125 |
| 203 | Electronics | 73 | 2.4K | 691 | 499 |
| 204 | Nutrition | 60 | 2.4K | 852 | 772 |
| 205 | biopolymers | 91 | 2.4K | 80 | 124 |
| 206 | Paleontology | 126 | 2.3K | 80 | 107 |
| 207 | viruses | 57 | 2.3K | 265 | 345 |
| 208 | Fluid Mechanics | 102 | 2.3K | 142 | 175 |
| 209 | Virulence | 54 | 2.3K | 149 | 271 |
| 210 | Biogeochemistry | 41 | 2.3K | 217 | 219 |
| 211 | data collection | 32 | 2.3K | 84 | 109 |
| 211 | Lipids | 58 | 2.3K | 103 | 164 |
| 213 | Environmental pollutants | 73 | 2.3K | 179 | 228 |
| 214 | Microelectronics | 42 | 2.3K | 415 | 378 |
| 215 | Histochemistry | 71 | 2.2K | 42 | 48 |
| 216 | finance | 16 | 2.2K | 969 | 250 |
| 217 | Energy Policy | 18 | 2.2K | 1001 | 470 |
| 218 | Sun | 133 | 2.2K | 18 | 57 |
| 219 | Petrology | 85 | 2.2K | 97 | 193 |
| 220 | energy resources | 12 | 2.1K | 585 | 253 |
| 221 | Mineralogy | 89 | 2.1K | 149 | 232 |
| 222 | Oceanography | 56 | 2.1K | 367 | 373 |
| 223 | bioclimatology | 65 | 2.1K | 18 | 27 |
| 224 | Image Processing | 46 | 2.1K | 439 | 392 |
| 225 | Liquid Crystals | 141 | 2.0K | 25 | 14 |
| 226 | cell physiology | 30 | 2.0K | 383 | 342 |
| 227 | Geomorphology | 83 | 2.0K | 80 | 203 |
| 228 | Numerical Analysis | 109 | 2.0K | 145 | 200 |
| 229 | Photochemistry | 115 | 2.0K | 30 | 144 |
| 230 | Atmospheric Chemistry | 31 | 2.0K | 265 | 262 |
| 231 | Genetic engineering | 65 | 2.0K | 218 | 389 |
| 232 | Carbon | 65 | 2.0K | 101 | 248 |
| 233 | Computational Biology | 72 | 2.0K | 345 | 521 |
| 233 | Leukemia | 14 | 2.0K | 487 | 251 |
| 235 | Cytogenetics | 41 | 2.0K | 283 | 375 |
| 236 | Neuropsychology | 81 | 1.9K | 297 | 416 |
| 237 | mammals | 80 | 1.9K | 54 | 58 |
| 238 | Organometallic chemistry | 134 | 1.9K | 32 | 79 |
| 239 | Oncogenes | 24 | 1.9K | 371 | 360 |
| 239 | Meteorites | 51 | 1.9K | 201 | 284 |
| 241 | Seaweed | 39 | 1.9K | 52 | 48 |
| 242 | Ecological Engineering | 29 | 1.9K | 43 | 21 |
| 243 | Mechanics | 59 | 1.9K | 98 | 71 |
| 244 | Plant Taxonomy | 43 | 1.8K | 46 | 19 |
| 245 | Functional Analysis | 95 | 1.8K | 43 | 60 |
| 246 | Metabolic diseases | 26 | 1.8K | 725 | 679 |
| 247 | Microorganisms | 64 | 1.8K | 48 | 196 |
| 248 | Europe | 124 | 1.8K | 286 | 403 |
| 249 | mutagens | 39 | 1.8K | 96 | 118 |
| 250 | Drug design | 28 | 1.8K | 347 | 188 |
| 251 | pollutants | 52 | 1.8K | 215 | 257 |
| 252 | Chemical Ecology | 50 | 1.8K | 37 | 53 |
| 253 | Drug delivery systems | 33 | 1.8K | 237 | 230 |
| 254 | Plant Morphology | 79 | 1.8K | 11 | 15 |
| 255 | food technology | 33 | 1.8K | 620 | 410 |
| 256 | Stem cells | 62 | 1.7K | 191 | 322 |
| 257 | Signal Processing | 51 | 1.7K | 570 | 567 |
| 258 | pheromones | 47 | 1.7K | 32 | 50 |
| 259 | Geodesy | 120 | 1.7K | 14 | 33 |
| 260 | Organometallic compounds | 91 | 1.7K | 49 | 134 |
| 261 | Photobiology | 90 | 1.7K | 14 | 85 |
| 261 | human behavior | 39 | 1.7K | 533 | 643 |
| 261 | free radicals | 54 | 1.7K | 126 | 305 |
| 264 | Green Chemistry | 34 | 1.7K | 412 | 421 |
| 265 | Plant Genetics | 38 | 1.7K | 85 | 136 |
| 266 | Hematology | 47 | 1.7K | 826 | 822 |
| 267 | Artificial Intelligence | 95 | 1.7K | 510 | 807 |
| 268 | gene therapy | 22 | 1.7K | 272 | 197 |
| 269 | Oxidation-reduction | 30 | 1.7K | 95 | 166 |
| 270 | Econometrics | 25 | 1.6K | 407 | 234 |
| 271 | Food | 38 | 1.6K | 736 | 625 |
| 272 | Paleoecology | 80 | 1.6K | 54 | 169 |
| 273 | Genetic therapy | 25 | 1.6K | 276 | 191 |
| 274 | Medical genetics | 33 | 1.6K | 866 | 947 |
| 275 | Neurobiology | 47 | 1.6K | 380 | 537 |
| 276 | Medical Oncology | 23 | 1.6K | 564 | 394 |
| 277 | Systems Biology | 69 | 1.6K | 108 | 166 |
| 278 | Epidemiology | 25 | 1.6K | 1250 | 773 |
| 279 | sanitation | 26 | 1.6K | 464 | 532 |
| 280 | natural products | 52 | 1.6K | 208 | 205 |
| 281 | Nonlinear functional analysis | 87 | 1.6K | 22 | 47 |
| 282 | Microscopy | 111 | 1.5K | 65 | 153 |
| 283 | carcinogens | 17 | 1.5K | 287 | 144 |
| 284 | Invertebrates | 89 | 1.5K | 8 | 36 |
| 285 | protein | 68 | 1.5K | 114 | 226 |
| 285 | Respiration | 27 | 1.5K | 404 | 281 |
| 287 | Pharmaceutical Technology | 59 | 1.5K | 133 | 221 |
| 288 | Paleoclimatology | 66 | 1.5K | 102 | 219 |
| 289 | Plant genetic engineering | 44 | 1.5K | 113 | 174 |
| 290 | Carcinogenesis | 15 | 1.5K | 340 | 154 |
| 291 | Fracture mechanics | 74 | 1.5K | 131 | 179 |
| 292 | Psychology | 97 | 1.5K | 724 | 1084 |
| 293 | Physical Geography | 32 | 1.5K | 43 | 22 |
| 294 | Thermodynamics | 86 | 1.5K | 41 | 49 |
| 295 | Soil Mechanics | 37 | 1.4K | 259 | 231 |
| 295 | Population | 31 | 1.4K | 177 | 108 |
| 297 | Solar Energy | 23 | 1.4K | 413 | 252 |
| 298 | Molecular Spectroscopy | 98 | 1.4K | 63 | 157 |
| 299 | Structural Engineering | 53 | 1.4K | 309 | 293 |
| 300 | Planetary Science | 53 | 1.4K | 53 | 49 |
| 301 | Crystal growth | 48 | 1.4K | 86 | 98 |
| 302 | freshwater biology | 67 | 1.4K | 36 | 119 |
| 303 | Clinical Biochemistry | 6 | 1.4K | 838 | 164 |
| 303 | Ferroelectricity | 137 | 1.4K | 28 | 82 |
| 305 | Developmental Immunology | 44 | 1.4K | 53 | 61 |
| 305 | clay | 38 | 1.4K | 53 | 80 |
| 307 | Restoration Ecology | 24 | 1.4K | 50 | 33 |
| 308 | cell interaction | 34 | 1.4K | 160 | 162 |
| 309 | Proteomics | 48 | 1.4K | 92 | 179 |
| 310 | Rock Mechanics | 41 | 1.4K | 152 | 173 |
| 311 | mycoses | 49 | 1.4K | 44 | 229 |
| 312 | Environmental Law | 17 | 1.4K | 322 | 287 |
| 313 | Scandinavia | 48 | 1.4K | 57 | 70 |
| 314 | supercritical fluids | 34 | 1.4K | 37 | 35 |
| 315 | natural disasters | 44 | 1.4K | 86 | 144 |
| 316 | Calorimetry | 97 | 1.3K | 25 | 54 |
| 316 | Thermal analysis | 97 | 1.3K | 25 | 54 |
| 318 | Memory | 43 | 1.3K | 377 | 414 |
| 319 | Antioxidants | 27 | 1.3K | 85 | 159 |
| 320 | Nervous system | 45 | 1.3K | 501 | 702 |
| 321 | Ornithology | 72 | 1.3K | 80 | 97 |
| 322 | coal | 37 | 1.3K | 275 | 344 |
| 323 | Aquaculture | 49 | 1.3K | 245 | 274 |
| 324 | Cell survival | 4 | 1.3K | 150 | 8 |
| 324 | molecular chaperones | 4 | 1.3K | 172 | 8 |
| 326 | Behavior | 50 | 1.3K | 645 | 917 |
| 327 | Pharmacy | 51 | 1.3K | 328 | 392 |
| 328 | Steroids | 87 | 1.3K | 33 | 126 |
| 329 | Pharmacognosy | 35 | 1.3K | 363 | 366 |
| 330 | Agricultural Chemistry | 65 | 1.3K | 316 | 500 |
| 331 | Atomic spectroscopy | 77 | 1.3K | 66 | 137 |
| 332 | Soft Condensed Matter | 54 | 1.3K | 166 | 214 |
| 333 | Psychophysiology | 57 | 1.3K | 575 | 863 |
| 334 | Metallography | 41 | 1.3K | 69 | 53 |
| 335 | Cell metabolism | 8 | 1.3K | 325 | 322 |
| 336 | Thermochemistry | 55 | 1.3K | 36 | 40 |
| 336 | Biomolecules | 44 | 1.3K | 11 | 72 |
| 338 | Birds | 65 | 1.3K | 136 | 153 |
| 339 | animals | 121 | 1.3K | 41 | 114 |
| 340 | Endocrinology | 53 | 1.3K | 665 | 1008 |
| 341 | Metabolism | 48 | 1.3K | 640 | 906 |
| 342 | Energy Conversion | 21 | 1.3K | 442 | 488 |
| 343 | China | 69 | 1.2K | 394 | 439 |
| 344 | Diabetes | 13 | 1.2K | 1017 | 689 |
| 345 | Renewable Energy Sources | 14 | 1.2K | 1191 | 979 |
| 346 | Photonics | 44 | 1.2K | 456 | 565 |
| 347 | Archaeology | 170 | 1.2K | 51 | 208 |
| 348 | Ceramics | 66 | 1.2K | 155 | 244 |
| 349 | Immunotherapy | 36 | 1.2K | 365 | 568 |
| 350 | United Kingdom | 28 | 1.2K | 437 | 430 |
| 350 | Perception | 40 | 1.2K | 416 | 430 |
| 352 | Diabetes mellitus | 12 | 1.2K | 1003 | 670 |
| 353 | environmental exposure | 37 | 1.2K | 267 | 332 |
| 354 | Magnetic Resonance Spectroscopy | 93 | 1.2K | 89 | 204 |
| 355 | Engineering Geology | 58 | 1.2K | 181 | 295 |
| 356 | Homeostasis | 6 | 1.2K | 265 | 334 |
| 357 | Sustainable Engineering | 26 | 1.2K | 419 | 381 |
| 358 | Glass | 65 | 1.2K | 114 | 224 |
| 359 | drugs | 43 | 1.2K | 385 | 388 |
| 360 | Dynamics | 39 | 1.2K | 277 | 137 |
| 361 | Mechanical Engineering | 30 | 1.2K | 727 | 314 |
| 362 | atmospheric models | 24 | 1.2K | 183 | 205 |
| 363 | Aging | 36 | 1.2K | 730 | 702 |
| 364 | Social Psychology | 40 | 1.2K | 475 | 561 |
| 365 | Molecular Pharmacology | 30 | 1.2K | 110 | 163 |
| 365 | Magnetic Materials | 62 | 1.2K | 175 | 305 |
| 367 | Plasma chemistry | 47 | 1.1K | 18 | 30 |
| 368 | Social behavior | 36 | 1.1K | 209 | 278 |
| 369 | Mites | 102 | 1.1K | 9 | 20 |
| 370 | Genetic regulation | 41 | 1.1K | 165 | 378 |
| 371 | Earthquake Engineering | 27 | 1.1K | 371 | 307 |
| 372 | Crystallization | 71 | 1.1K | 8 | 32 |
| 372 | nuclear magnetic resonance spectroscopy | 83 | 1.1K | 18 | 81 |
| 374 | Recombinant DNA | 46 | 1.1K | 172 | 281 |
| 375 | Molecular Microbiology | 27 | 1.1K | 220 | 343 |
| 376 | Fluid Dynamics | 36 | 1.1K | 224 | 188 |
| 377 | Molecular cloning | 44 | 1.1K | 160 | 256 |
| 377 | Genetic recombination | 44 | 1.1K | 153 | 253 |
| 379 | Statistics | 51 | 1.1K | 603 | 590 |
| 380 | Diagnostic microbiology | 12 | 1.1K | 599 | 526 |
| 381 | Immune system | 21 | 1.1K | 290 | 519 |
| 382 | Environmental Geology | 53 | 1.0K | 138 | 304 |
| 382 | Radiochemistry | 112 | 1.0K | 48 | 87 |
| 384 | Quantum Chemistry | 54 | 1.0K | 46 | 69 |
| 385 | polar regions | 36 | 1.0K | 92 | 86 |
| 386 | Yeast | 44 | 1.0K | 16 | 56 |
| 387 | Visual Perception | 33 | 1.0K | 407 | 415 |
| 388 | International Finance | 8 | 1.0K | 973 | 308 |
| 389 | Landslides | 27 | 1.0K | 23 | 39 |
| 390 | Attention | 36 | 1.0K | 390 | 422 |
| 390 | Ticks | 64 | 1.0K | 10 | 16 |
| 392 | pottery | 46 | 997 | 166 | 259 |
| 393 | Mining Engineering | 31 | 993 | 78 | 91 |
| 394 | Luminescence | 75 | 988 | 43 | 100 |
| 395 | Nuclear Chemistry | 108 | 985 | 44 | 103 |
| 396 | Gene expression regulation | 37 | 979 | 138 | 294 |
| 397 | Automation | 49 | 976 | 444 | 711 |
| 397 | Ocean Engineering | 18 | 976 | 642 | 419 |
| 399 | Allergy | 4 | 975 | 1006 | 580 |
| 400 | Proteome | 42 | 972 | 159 | 341 |
| 400 | Acarology | 47 | 972 | 12 | 18 |
| 402 | Acari | 46 | 963 | 12 | 19 |
| 403 | behavioral medicine | 11 | 961 | 571 | 382 |
| 404 | Immunopathology | 18 | 956 | 477 | 354 |
| 405 | Analytical Biochemistry | 30 | 955 | 334 | 373 |
| 406 | Food Microbiology | 27 | 952 | 264 | 366 |
| 407 | personality | 16 | 951 | 573 | 507 |
| 408 | Oncology | 27 | 933 | 639 | 1210 |
| 408 | Nanoparticles | 43 | 933 | 296 | 528 |
| 410 | Zoonoses | 27 | 926 | 19 | 20 |
| 411 | Radiation effects | 40 | 923 | 24 | 82 |
| 412 | nuclear magnetic resonance | 47 | 921 | 200 | 253 |
| 413 | Bifurcation Theory | 15 | 914 | 173 | 54 |
| 414 | peptides | 56 | 907 | 28 | 53 |
| 415 | Manufacturing Processes | 45 | 906 | 441 | 601 |
| 416 | drug resistance | 6 | 902 | 412 | 82 |
| 417 | United States | 61 | 901 | 954 | 1338 |
| 418 | Plasma devices | 26 | 896 | 33 | 54 |
| 419 | lasers | 57 | 895 | 322 | 430 |
| 420 | RNA | 24 | 891 | 89 | 140 |
| 421 | Cell death | 17 | 886 | 485 | 520 |
| 422 | plasticity | 17 | 881 | 84 | 110 |
| 423 | Bioremediation | 20 | 874 | 75 | 77 |
| 424 | Plant hormones | 41 | 867 | 11 | 34 |
| 425 | Ultrasonics | 30 | 858 | 223 | 269 |
| 426 | Diagnostic Imaging | 30 | 856 | 503 | 548 |
| 427 | emergency management | 17 | 854 | 172 | 84 |
| 428 | Seismology | 36 | 851 | 86 | 100 |
| 429 | epilepsy | 42 | 850 | 112 | 176 |
| 430 | Lipid metabolism | 25 | 849 | 33 | 88 |
| 430 | Lipid | 25 | 849 | 33 | 88 |
| 432 | Differential Equations | 43 | 848 | 114 | 132 |
| 433 | analysis | 25 | 845 | 52 | 81 |
| 434 | embryonic development | 29 | 843 | 34 | 63 |
| 435 | Audiology | 23 | 842 | 208 | 179 |
| 436 | heredity | 24 | 840 | 118 | 92 |
| 437 | amino acids | 44 | 834 | 14 | 64 |
| 438 | Paleogeography | 40 | 829 | 144 | 276 |
| 439 | Public Health | 37 | 826 | 1499 | 1894 |
| 440 | Medicinal plants | 13 | 820 | 563 | 391 |
| 441 | Radiology | 47 | 816 | 235 | 258 |
| 442 | Mitochondria | 13 | 809 | 34 | 20 |
| 443 | Inflammation | 21 | 805 | 331 | 364 |
| 443 | Cheminformatics | 8 | 805 | 109 | 99 |
| 445 | catalytic activity | 35 | 804 | 66 | 149 |
| 446 | Obesity | 22 | 803 | 657 | 716 |
| 447 | Raman spectroscopy | 27 | 802 | 98 | 93 |
| 448 | Surface properties | 42 | 794 | 73 | 273 |
| 449 | Land use | 23 | 792 | 225 | 224 |
| 449 | Biodegradation | 17 | 792 | 103 | 87 |
| 451 | Electron Microscopy | 20 | 788 | 69 | 21 |
| 451 | Catalysts | 47 | 788 | 35 | 103 |
| 453 | Building Materials | 31 | 785 | 459 | 691 |
| 454 | Quality Control | 15 | 782 | 642 | 362 |
| 455 | Chemical analysis | 21 | 779 | 273 | 229 |
| 456 | DNA polymerases | 10 | 772 | 189 | 291 |
| 457 | software | 11 | 771 | 402 | 196 |
| 458 | environmental indicators | 35 | 769 | 96 | 263 |
| 459 | Social Sciences | 73 | 765 | 505 | 691 |
| 459 | Plant Biotechnology | 20 | 765 | 181 | 182 |
| 461 | DNA | 16 | 757 | 116 | 44 |
| 462 | Pharmacokinetics | 20 | 754 | 197 | 191 |
| 463 | Nuclear Fusion | 50 | 750 | 121 | 140 |
| 464 | Freeze-Drying | 5 | 744 | 236 | 38 |
| 464 | Hypothermia | 5 | 744 | 236 | 38 |
| 464 | Freeze Drying | 5 | 744 | 236 | 38 |
| 467 | Nuclear Engineering | 78 | 743 | 248 | 342 |
| 468 | Surface-Active Agents | 34 | 740 | 98 | 257 |
| 468 | Semiconductors | 66 | 740 | 214 | 386 |
| 470 | Soil fertility | 23 | 732 | 50 | 95 |
| 471 | Friction | 1 | 731 | 224 | 8 |
| 471 | cohesion | 1 | 731 | 24 | 1 |
| 473 | Bacterial infections | 14 | 730 | 264 | 375 |
| 474 | histological techniques | 8 | 729 | 369 | 210 |
| 475 | Genes | 33 | 718 | 169 | 241 |
| 476 | Cellular senescence | 19 | 717 | 139 | 191 |
| 477 | atmosphere | 43 | 715 | 67 | 160 |
| 478 | Sustainable Development | 21 | 712 | 518 | 600 |
| 479 | Mobile genetic elements | 9 | 702 | 13 | 4 |
| 480 | Flow cytometry | 22 | 700 | 41 | 56 |
| 481 | Plant tissue culture | 27 | 692 | 102 | 148 |
| 482 | cosmic rays | 41 | 680 | 44 | 60 |
| 483 | NMR | 64 | 679 | 6 | 32 |
| 484 | Cosmology | 44 | 677 | 259 | 295 |
| 485 | drug evaluation | 21 | 675 | 334 | 276 |
| 486 | Plant cell culture | 24 | 672 | 94 | 149 |
| 487 | food contamination | 28 | 668 | 126 | 129 |
| 488 | Geomagnetism | 38 | 662 | 131 | 184 |
| 489 | weather | 23 | 660 | 52 | 87 |
| 490 | Cellulose | 11 | 658 | 201 | 137 |
| 491 | Hormones | 40 | 657 | 219 | 474 |
| 492 | Measurement | 29 | 650 | 222 | 247 |
| 493 | fuel cells | 14 | 646 | 590 | 602 |
| 494 | Aquatic ecology | 24 | 645 | 177 | 200 |
| 495 | Climate | 21 | 644 | 79 | 137 |
| 496 | magnetic resonance | 62 | 641 | 6 | 39 |
| 497 | Hypertension | 15 | 639 | 694 | 866 |
| 498 | Japan | 37 | 638 | 328 | 325 |
| 499 | Radioisotopes | 51 | 627 | 110 | 169 |
| 500 | Ecological Genetics | 29 | 626 | 60 | 64 |
| 500 | Thin Films | 54 | 626 | 17 | 49 |
| 500 | Neural circuitry | 36 | 626 | 331 | 691 |
| 503 | Production Engineering | 26 | 624 | 533 | 482 |
| 504 | infection | 25 | 622 | 461 | 654 |
| 505 | Pathology | 26 | 621 | 753 | 966 |
| 506 | Psychiatry | 17 | 620 | 1867 | 1822 |
| 507 | cytokines | 24 | 617 | 305 | 459 |
| 508 | Information Science | 23 | 616 | 748 | 831 |
| 509 | Vaccines | 20 | 612 | 649 | 662 |
| 510 | Earthquakes | 37 | 610 | 57 | 80 |
| 511 | Energy Storage | 17 | 608 | 460 | 468 |
| 512 | Sociology | 41 | 607 | 656 | 918 |
| 513 | Evolutionary Genetics | 25 | 602 | 56 | 103 |
| 513 | Molecular Epidemiology | 25 | 602 | 56 | 103 |
| 513 | Therapeutics | 13 | 602 | 757 | 715 |
| 516 | Comparative Physiology | 23 | 597 | 196 | 251 |
| 517 | energy conservation | 12 | 596 | 903 | 935 |
| 518 | Ichthyology | 27 | 593 | 44 | 33 |
| 519 | Anthropology | 28 | 584 | 426 | 372 |
| 519 | Bioinformatics | 29 | 584 | 584 | 860 |
| 521 | Enzyme | 19 | 582 | 73 | 132 |
| 522 | Metallic Glasses | 43 | 581 | 31 | 117 |
| 523 | concrete | 16 | 580 | 352 | 446 |
| 524 | mass transfer | 43 | 573 | 285 | 629 |
| 525 | Animal genetics | 62 | 570 | 67 | 175 |
| 526 | Radiobiology | 30 | 568 | 383 | 582 |
| 527 | Microbial Biotechnology | 19 | 566 | 164 | 207 |
| 528 | Hematopoietic stem cell transplantation | 14 | 564 | 87 | 112 |
| 529 | Navier-Stokes equations | 44 | 559 | 1 | 1 |
| 530 | Fuzzy systems | 57 | 553 | 104 | 239 |
| 531 | Chemical kinetics | 77 | 552 | 14 | 56 |
| 532 | X-ray crystallography | 38 | 551 | 77 | 107 |
| 533 | Sustainable agriculture | 13 | 548 | 219 | 177 |
| 534 | Cardiovascular system | 8 | 547 | 938 | 968 |
| 535 | Fish | 23 | 545 | 32 | 33 |
| 536 | Developmental Genetics | 9 | 543 | 285 | 378 |
| 537 | body temperature | 28 | 542 | 22 | 48 |
| 538 | Landscape Ecology | 25 | 536 | 52 | 159 |
| 539 | Cell communication | 16 | 532 | 202 | 260 |
| 540 | Industrial Engineering | 33 | 524 | 425 | 652 |
| 540 | Philosophy | 97 | 524 | 222 | 270 |
| 542 | System analysis | 41 | 516 | 508 | 814 |
| 542 | Fluorescence | 21 | 516 | 24 | 16 |
| 544 | water supply | 4 | 508 | 786 | 416 |
| 544 | Ore deposits | 23 | 508 | 120 | 179 |
| 544 | health planning | 35 | 508 | 401 | 576 |
| 547 | Structural dynamics | 22 | 505 | 310 | 434 |
| 547 | drug therapy | 14 | 505 | 1040 | 968 |
| 549 | global environmental change | 20 | 491 | 180 | 416 |
| 550 | energy development | 5 | 490 | 590 | 402 |
| 551 | Biopharmaceutics | 16 | 489 | 386 | 423 |
| 551 | industrial waste | 12 | 489 | 272 | 420 |
| 553 | radioactive waste | 11 | 484 | 279 | 423 |
| 553 | Hazardous waste | 11 | 484 | 363 | 455 |
| 555 | Sites | 21 | 483 | 126 | 221 |
| 556 | Informatics | 27 | 482 | 121 | 291 |
| 556 | Developing countries | 19 | 482 | 725 | 793 |
| 558 | Electrophysiology | 30 | 478 | 210 | 282 |
| 559 | Algorithms | 30 | 477 | 52 | 116 |
| 560 | Economic Development | 14 | 475 | 649 | 732 |
| 560 | Ultrasound | 24 | 475 | 166 | 224 |
| 562 | Information Theory | 21 | 474 | 481 | 530 |
| 562 | Trace elements | 9 | 474 | 88 | 55 |
| 564 | city planning | 20 | 473 | 514 | 530 |
| 565 | Aerosols | 46 | 468 | 65 | 182 |
| 566 | Learning | 20 | 461 | 423 | 534 |
| 567 | Cement | 9 | 460 | 290 | 353 |
| 568 | Education | 11 | 457 | 2090 | 1112 |
| 569 | isomerism | 15 | 453 | 59 | 40 |
| 569 | Paleobotany | 22 | 453 | 13 | 32 |
| 569 | Vegetation dynamics | 22 | 453 | 12 | 32 |
| 569 | Chirality | 15 | 453 | 59 | 40 |
| 573 | Plasma polymerization | 29 | 451 | 20 | 59 |
| 574 | Water quality management | 24 | 447 | 520 | 618 |
| 575 | fusion reactors | 39 | 444 | 99 | 112 |
| 576 | Cell division | 10 | 441 | 186 | 154 |
| 576 | Calculus of Variations | 34 | 441 | 38 | 72 |
| 578 | Biomass | 7 | 440 | 303 | 265 |
| 578 | Quantum theory | 27 | 440 | 180 | 279 |
| 580 | Remote Sensing | 29 | 438 | 285 | 353 |
| 581 | plasma spraying | 27 | 437 | 26 | 60 |
| 582 | Speech Disorders | 13 | 417 | 429 | 404 |
| 582 | optical devices | 22 | 417 | 58 | 83 |
| 584 | Mental Disorders | 9 | 416 | 1761 | 1594 |
| 584 | Rheology | 28 | 416 | 70 | 125 |
| 584 | transport vesicles | 3 | 416 | 233 | 285 |
| 587 | Chronobiology | 13 | 415 | 110 | 100 |
| 587 | biological clocks | 13 | 415 | 110 | 100 |
| 587 | circadian rhythm | 13 | 415 | 110 | 100 |
| 590 | Pharmacogenetics | 14 | 414 | 354 | 450 |
| 591 | Language Disorders | 12 | 413 | 365 | 282 |
| 591 | Entropy | 22 | 413 | 198 | 168 |
| 593 | Adaptive control systems | 31 | 411 | 59 | 100 |
| 594 | Circadian rhythms | 12 | 409 | 77 | 90 |
| 594 | Antigens | 17 | 409 | 290 | 358 |
| 594 | biological rhythms | 12 | 409 | 110 | 101 |
| 597 | solar power | 18 | 408 | 173 | 408 |
| 597 | solar cells | 18 | 408 | 221 | 460 |
| 599 | Ethnology | 22 | 404 | 395 | 352 |
| 600 | Biomechanics | 11 | 403 | 677 | 595 |
| 601 | Control Theory | 30 | 402 | 482 | 662 |
| 602 | Forecasting | 7 | 397 | 267 | 160 |
| 603 | Waste management | 16 | 396 | 493 | 432 |
| 604 | air quality management | 9 | 395 | 187 | 168 |
| 604 | DNA repair | 10 | 395 | 100 | 110 |
| 606 | Engineering Mathematics | 38 | 392 | 532 | 708 |
| 607 | Hearing | 9 | 391 | 343 | 230 |
| 608 | Experimental Design | 1 | 390 | 507 | 122 |
| 608 | Operations Research | 41 | 390 | 501 | 954 |
| 608 | wildlife diseases | 20 | 390 | 7 | 11 |
| 611 | Quantum electronics | 18 | 389 | 634 | 590 |
| 611 | Medical Physics | 14 | 389 | 777 | 834 |
| 613 | Housing | 17 | 384 | 99 | 153 |
| 614 | Electrical Engineering | 80 | 383 | 628 | 1204 |
| 614 | Sonochemistry | 6 | 383 | 337 | 298 |
| 614 | Electromagnetic fields | 25 | 383 | 25 | 8 |
| 617 | sustainability | 7 | 382 | 481 | 486 |
| 618 | Logic | 56 | 380 | 14 | 74 |
| 619 | Telecommunication | 19 | 376 | 1090 | 1219 |
| 620 | food handling | 8 | 375 | 425 | 368 |
| 621 | Medical innovations | 16 | 374 | 301 | 908 |
| 622 | particles | 17 | 368 | 229 | 282 |
| 622 | cryosphere | 3 | 368 | 368 | 205 |
| 624 | Quantum Optics | 24 | 364 | 206 | 296 |
| 625 | Human evolution | 8 | 362 | 214 | 233 |
| 626 | Arthropods | 41 | 361 | 4 | 22 |
| 627 | Chemical structure | 44 | 360 | 14 | 63 |
| 627 | Speech | 9 | 360 | 458 | 440 |
| 629 | Pesticides | 24 | 359 | 104 | 161 |
| 630 | economic forecasting | 3 | 357 | 305 | 129 |
| 631 | Medical Technology | 20 | 355 | 460 | 740 |
| 631 | Computer-Aided Design | 13 | 355 | 478 | 447 |
| 633 | Asia | 52 | 353 | 338 | 833 |
| 634 | Cosmochemistry | 21 | 350 | 244 | 478 |
| 634 | gene transfer | 5 | 350 | 152 | 63 |
| 634 | environmental issues | 13 | 350 | 101 | 149 |
| 634 | genetic transformation | 5 | 350 | 152 | 63 |
| 638 | Clinical Immunology | 9 | 349 | 688 | 623 |
| 639 | Human Geography | 20 | 348 | 356 | 425 |
| 639 | Animal breeding | 26 | 348 | 210 | 315 |
| 641 | Eastern Europe | 56 | 346 | 42 | 118 |
| 642 | Rock deformation | 16 | 345 | 25 | 58 |
| 643 | Infrared spectroscopy | 10 | 343 | 68 | 52 |
| 643 | cell adhesion molecules | 8 | 343 | 235 | 215 |
| 645 | Urban Policy | 14 | 339 | 206 | 300 |
| 646 | Southeast Asia | 72 | 337 | 17 | 38 |
| 647 | Helminthology | 42 | 336 | 6 | 7 |
| 647 | Mutagenesis | 24 | 336 | 30 | 105 |
| 647 | Helminths | 42 | 336 | 6 | 7 |
| 650 | Marine Ecology | 4 | 333 | 644 | 277 |
| 650 | Water Purification | 14 | 333 | 442 | 401 |
| 652 | Energy Harvesting | 5 | 330 | 363 | 400 |
| 652 | Fractals | 14 | 330 | 436 | 439 |
| 654 | Sedimentary rocks | 13 | 327 | 200 | 278 |
| 655 | Food additives | 10 | 325 | 549 | 630 |
| 655 | Supramolecular chemistry | 10 | 325 | 66 | 19 |
| 657 | Veterinary Immunology | 10 | 320 | 159 | 138 |
| 657 | Ultrasonic Imaging | 14 | 320 | 145 | 165 |
| 657 | cloning | 11 | 320 | 274 | 528 |
| 660 | Solitons | 13 | 319 | 367 | 397 |
| 660 | Chaos | 13 | 319 | 367 | 397 |
| 662 | Biological Systems | 20 | 318 | 106 | 221 |
| 662 | toxicity testing | 10 | 318 | 252 | 285 |
| 664 | Immunogenetics | 11 | 314 | 290 | 306 |
| 665 | Clinical Pharmacology | 14 | 313 | 622 | 694 |
| 665 | Imaging systems | 2 | 313 | 1115 | 130 |
| 667 | Nanochemistry | 29 | 311 | 173 | 405 |
| 668 | Hemodynamics | 11 | 310 | 275 | 435 |
| 668 | Mental illness | 5 | 310 | 1551 | 1294 |
| 670 | Synchrotron Radiation | 37 | 308 | 53 | 120 |
| 670 | probabilities | 33 | 308 | 338 | 413 |
| 672 | economic policy | 25 | 306 | 728 | 847 |
| 673 | Geotechnical Engineering | 5 | 304 | 519 | 304 |
| 673 | Biogeochemical cycles | 5 | 304 | 330 | 379 |
| 673 | Biotransformation | 10 | 304 | 18 | 11 |
| 673 | radiative transfer | 32 | 304 | 84 | 214 |
| 677 | Laser Spectroscopy | 17 | 303 | 268 | 305 |
| 678 | Paleobiology | 30 | 301 | 29 | 49 |
| 679 | visualization | 50 | 300 | 231 | 442 |
| 680 | Cybernetics | 21 | 299 | 491 | 883 |
| 681 | Smart Materials | 15 | 298 | 219 | 306 |
| 681 | Minerals | 19 | 298 | 134 | 266 |
| 683 | Investment analysis | 4 | 297 | 645 | 287 |
| 684 | Quality of life | 14 | 296 | 529 | 836 |
| 685 | Microbial Metabolism | 5 | 293 | 89 | 65 |
| 686 | Antibodies | 12 | 292 | 255 | 327 |
| 686 | Detectors | 10 | 292 | 857 | 681 |
| 688 | Combinatorial optimization | 10 | 287 | 152 | 51 |
| 689 | Tourism | 8 | 286 | 936 | 955 |
| 689 | glycoproteins | 11 | 286 | 177 | 257 |
| 689 | Glycoconjugates | 11 | 286 | 177 | 257 |
| 689 | Light | 23 | 286 | 246 | 780 |
| 689 | glycolipids | 11 | 286 | 177 | 257 |
| 689 | Primates | 11 | 286 | 326 | 319 |
| 695 | Plant breeding | 12 | 284 | 329 | 371 |
| 696 | Carbohydrates | 16 | 280 | 99 | 253 |
| 697 | Histocompatibility Testing | 6 | 278 | 290 | 180 |
| 698 | soil conservation | 12 | 275 | 241 | 367 |
| 699 | Ophthalmology | 12 | 270 | 925 | 1023 |
| 699 | Structural design | 12 | 270 | 211 | 252 |
| 701 | soil management | 10 | 267 | 224 | 343 |
| 702 | Porous materials | 13 | 266 | 201 | 206 |
| 702 | bees | 12 | 266 | 135 | 175 |
| 704 | Sedimentology | 9 | 265 | 281 | 324 |
| 704 | Immunochemistry | 12 | 265 | 367 | 469 |
| 706 | Astrocytes | 9 | 264 | 229 | 406 |
| 707 | Cognitive neuroscience | 6 | 262 | 681 | 671 |
| 707 | hazard mitigation | 16 | 262 | 220 | 431 |
| 709 | pigments | 16 | 261 | 239 | 377 |
| 710 | Economic History | 35 | 260 | 951 | 1476 |
| 710 | Multiphase Flow | 8 | 260 | 188 | 208 |
| 710 | nucleotides | 25 | 260 | 50 | 56 |
| 713 | Mycotoxins | 10 | 259 | 44 | 47 |
| 714 | Hydraulic Engineering | 11 | 258 | 567 | 543 |
| 715 | Nitric oxide | 9 | 256 | 49 | 104 |
| 716 | Radiation Protection | 40 | 254 | 53 | 127 |
| 716 | Ecosystem management | 15 | 254 | 210 | 386 |
| 718 | radiation monitoring | 39 | 253 | 44 | 121 |
| 719 | Chemical industry | 18 | 252 | 410 | 499 |
| 720 | Regional Planning | 18 | 251 | 579 | 779 |
| 720 | Radiation dosimetry | 38 | 251 | 33 | 89 |
| 722 | Paleobiogeography | 13 | 250 | 14 | 7 |
| 723 | foreign exchange | 1 | 248 | 594 | 198 |
| 724 | Computational Complexity | 24 | 247 | 151 | 288 |
| 725 | Neurons | 4 | 244 | 523 | 899 |
| 725 | Australia | 25 | 244 | 460 | 805 |
| 727 | Ichnology | 20 | 242 | 6 | 17 |
| 727 | Psychopharmacology | 12 | 242 | 737 | 1087 |
| 727 | Trace fossils | 20 | 242 | 6 | 17 |
| 727 | Bacteria | 6 | 242 | 192 | 308 |
| 731 | Humanities | 12 | 241 | 791 | 424 |
| 731 | environmental remediation | 11 | 241 | 61 | 103 |
| 733 | Fishery management | 18 | 240 | 241 | 367 |
| 734 | extraterrestrial environment | 22 | 238 | 105 | 216 |
| 735 | Morphology | 14 | 237 | 297 | 345 |
| 736 | brewing | 20 | 235 | 45 | 68 |
| 737 | Phytochemistry | 10 | 234 | 50 | 90 |
| 737 | Phytoremediation | 10 | 234 | 50 | 90 |
| 737 | Bioreactors | 10 | 234 | 50 | 90 |
| 737 | reasoning | 31 | 234 | 15 | 141 |
| 741 | Combinatorial chemistry | 9 | 233 | 452 | 606 |
| 742 | tillage | 6 | 231 | 236 | 311 |
| 742 | eugenics | 6 | 231 | 322 | 259 |
| 742 | Liquid chromatography | 20 | 231 | 65 | 77 |
| 745 | venom | 7 | 230 | 408 | 387 |
| 745 | Toxins | 7 | 230 | 471 | 426 |
| 747 | Reproductive toxicology | 9 | 229 | 158 | 270 |
| 747 | Africa | 39 | 229 | 250 | 523 |
| 749 | Infections | 12 | 228 | 485 | 917 |
| 749 | Immunopharmacology | 19 | 228 | 249 | 595 |
| 749 | Transplantation | 8 | 228 | 683 | 860 |
| 752 | Particle Physics | 10 | 227 | 405 | 333 |
| 753 | investigative techniques | 3 | 226 | 101 | 63 |
| 754 | drug development | 8 | 225 | 559 | 1104 |
| 755 | starch | 2 | 224 | 430 | 140 |
| 756 | Wetland ecology | 11 | 220 | 119 | 210 |
| 757 | Functional Genomics | 12 | 218 | 73 | 212 |
| 758 | Chemical processes | 28 | 217 | 88 | 272 |
| 759 | carbon monoxide | 10 | 216 | 65 | 215 |
| 760 | Ethics | 13 | 215 | 350 | 351 |
| 760 | voice | 12 | 215 | 151 | 182 |
| 762 | Political Science | 16 | 211 | 781 | 771 |
| 763 | Nondestructive testing | 14 | 203 | 202 | 316 |
| 763 | Travel | 8 | 203 | 400 | 364 |
| 763 | Animal | 14 | 203 | 21 | 47 |
| 766 | bats | 14 | 202 | 13 | 24 |
| 767 | nuclear astrophysics | 12 | 200 | 174 | 307 |
| 768 | Fermentation | 12 | 199 | 90 | 105 |
| 769 | vibration | 11 | 198 | 633 | 718 |
| 770 | Rural Development | 14 | 196 | 146 | 291 |
| 770 | Agricultural Biotechnology | 9 | 196 | 104 | 34 |
| 770 | indoor air pollution | 4 | 196 | 304 | 233 |
| 770 | Ventilation | 4 | 196 | 432 | 277 |
| 770 | Sick building syndrome | 4 | 196 | 304 | 233 |
| 775 | Combustion | 24 | 195 | 356 | 810 |
| 775 | land degradation | 5 | 195 | 308 | 281 |
| 775 | Ion channels | 10 | 195 | 14 | 35 |
| 775 | degradation | 5 | 195 | 308 | 281 |
| 779 | Animal Nutrition | 14 | 194 | 206 | 309 |
| 780 | Natural resources | 4 | 193 | 643 | 516 |
| 781 | Hydrodynamics | 5 | 192 | 463 | 402 |
| 782 | Materials Engineering | 12 | 189 | 200 | 232 |
| 783 | Nuclear Medicine | 6 | 188 | 729 | 672 |
| 783 | Financial Engineering | 4 | 188 | 117 | 64 |
| 785 | Geometry | 20 | 186 | 424 | 420 |
| 785 | Mountains | 11 | 186 | 96 | 88 |
| 787 | Biometrics | 9 | 184 | 608 | 658 |
| 788 | Synaptic Transmission | 7 | 183 | 279 | 350 |
| 788 | Methodology | 15 | 183 | 57 | 136 |
| 790 | elasticity | 15 | 182 | 40 | 95 |
| 791 | Wildlife management | 11 | 180 | 267 | 285 |
| 792 | Educational Psychology | 10 | 179 | 715 | 901 |
| 792 | monoclonal antibodies | 3 | 179 | 311 | 151 |
| 794 | Adsorption | 10 | 176 | 45 | 83 |
| 795 | Applied Mathematics | 11 | 175 | 353 | 142 |
| 795 | Electromagnetism | 18 | 175 | 338 | 576 |
| 795 | Gene expression | 5 | 175 | 173 | 198 |
| 795 | astronomical phenomena | 19 | 175 | 117 | 250 |
| 799 | Nutrition physiology | 5 | 174 | 555 | 560 |
| 799 | Radio | 13 | 174 | 756 | 1174 |
| 801 | Mesoporous materials | 6 | 173 | 41 | 74 |
| 802 | space environment | 7 | 171 | 125 | 122 |
| 802 | drug toxicity | 11 | 171 | 92 | 269 |
| 804 | Pediatric Neurology | 4 | 170 | 826 | 1130 |
| 804 | Celestial Mechanics | 7 | 170 | 95 | 96 |
| 804 | vitamin C | 8 | 170 | 148 | 345 |
| 804 | vitamin E | 8 | 170 | 148 | 345 |
| 804 | impact | 6 | 170 | 206 | 263 |
| 809 | Photography | 18 | 168 | 1054 | 515 |
| 809 | Professional ethics | 1 | 168 | 546 | 122 |
| 811 | Taste | 6 | 167 | 142 | 143 |
| 811 | smell | 6 | 167 | 142 | 143 |
| 811 | fertility | 10 | 167 | 510 | 919 |
| 814 | Happiness | 7 | 164 | 159 | 287 |
| 814 | DNA methylation | 5 | 164 | 169 | 255 |
| 816 | cell movement | 5 | 163 | 156 | 213 |
| 817 | Phytotherapy | 4 | 162 | 746 | 602 |
| 818 | landscapes | 5 | 161 | 104 | 79 |
| 819 | Developed countries | 4 | 160 | 148 | 141 |
| 819 | herbicides | 8 | 160 | 153 | 166 |
| 821 | Neuroimmunology | 4 | 159 | 544 | 714 |
| 821 | Sound | 12 | 159 | 452 | 615 |
| 823 | occupational diseases | 5 | 157 | 602 | 676 |
| 824 | Computational Fluid Dynamics | 9 | 156 | 311 | 398 |
| 825 | Radio frequency | 11 | 155 | 244 | 336 |
| 826 | Chemotherapy | 3 | 154 | 1366 | 1101 |
| 826 | Health | 12 | 154 | 1006 | 1512 |
| 826 | aerosol | 33 | 154 | 47 | 255 |
| 829 | Enzyme inhibitors | 16 | 153 | 60 | 232 |
| 830 | Public Policy | 11 | 151 | 817 | 1323 |
| 830 | Operator theory | 16 | 151 | 71 | 77 |
| 832 | Occupational Health | 4 | 150 | 926 | 619 |
| 832 | Photogrammetry | 13 | 150 | 281 | 159 |
| 832 | Oligosaccharide | 6 | 150 | 180 | 303 |
| 835 | symbiosis | 7 | 149 | 24 | 49 |
| 836 | Cognition | 16 | 148 | 705 | 1252 |
| 836 | Liver diseases | 7 | 148 | 963 | 1471 |
| 838 | Embedded Systems | 2 | 147 | 271 | 102 |
| 838 | Psychoneuroimmunology | 3 | 147 | 580 | 689 |
| 838 | Autoantibodies | 6 | 147 | 366 | 539 |
| 838 | Autoimmunity | 6 | 147 | 488 | 734 |
| 838 | Autoimmune diseases | 6 | 147 | 424 | 597 |
| 838 | Culture techniques | 8 | 147 | 140 | 180 |
| 844 | flavor | 5 | 145 | 98 | 109 |
| 845 | Diet | 3 | 144 | 2072 | 2097 |
| 846 | industrial hygiene | 5 | 143 | 840 | 475 |
| 846 | Communism | 11 | 143 | 19 | 36 |
| 848 | Computer Science | 20 | 142 | 667 | 1197 |
| 848 | DNS | 7 | 142 | 254 | 387 |
| 848 | Hippocampus | 8 | 142 | 140 | 330 |
| 851 | Europa | 10 | 141 | 216 | 383 |
| 852 | Volcanoes | 5 | 140 | 186 | 217 |
| 853 | Systems Analysis | 13 | 139 | 404 | 713 |
| 853 | Solutions | 21 | 139 | 35 | 179 |
| 853 | Agricultural systems | 2 | 139 | 394 | 312 |
| 853 | Microwaves | 6 | 139 | 1086 | 911 |
| 857 | biological agents | 19 | 137 | 95 | 87 |
| 858 | Music | 11 | 136 | 373 | 395 |
| 858 | Real-time Data Processing | 1 | 136 | 225 | 58 |
| 858 | Oligosaccharides | 5 | 136 | 152 | 184 |
| 858 | Microstructure | 14 | 136 | 228 | 384 |
| 862 | Computer Graphics | 14 | 135 | 763 | 1245 |
| 862 | Animal Physiology | 4 | 135 | 137 | 158 |
| 862 | Natural selection | 4 | 135 | 137 | 158 |
| 862 | genetic selection | 4 | 135 | 137 | 158 |
| 866 | Information visualization | 11 | 134 | 32 | 34 |
| 866 | Osteoporosis | 3 | 134 | 335 | 216 |
| 866 | Methods | 11 | 134 | 22 | 32 |
| 866 | Soviet Union | 11 | 134 | 255 | 190 |
| 870 | Information Systems | 8 | 132 | 798 | 1094 |
| 870 | Agronomy | 5 | 132 | 402 | 598 |
| 870 | Optoelectronic devices | 7 | 132 | 566 | 400 |
| 873 | Geobiology | 6 | 131 | 309 | 367 |
| 874 | Middle East | 31 | 130 | 126 | 433 |
| 875 | Geriatrics | 14 | 128 | 1362 | 2214 |
| 875 | Nuclear Energy | 12 | 128 | 501 | 614 |
| 875 | Research Design | 5 | 128 | 885 | 1021 |
| 875 | intergroup relations | 6 | 128 | 94 | 166 |
| 879 | Business Ethics | 3 | 127 | 917 | 1069 |
| 879 | Maps | 11 | 127 | 50 | 75 |
| 881 | Periglacial processes | 7 | 126 | 59 | 118 |
| 881 | Permafrost | 7 | 126 | 59 | 118 |
| 881 | Frozen ground | 7 | 126 | 62 | 118 |
| 884 | Polymer Networks | 3 | 124 | 7 | 11 |
| 884 | Polymer Colloids | 3 | 124 | 7 | 11 |
| 886 | gastrointestinal tract | 2 | 123 | 438 | 433 |
| 887 | Ecohydrology | 9 | 122 | 111 | 248 |
| 887 | Neuroanatomy | 2 | 122 | 306 | 175 |
| 887 | viral genetics | 1 | 122 | 492 | 554 |
| 890 | Malaria | 5 | 121 | 570 | 650 |
| 890 | Cell cycle | 6 | 121 | 163 | 244 |
| 890 | cell proliferation | 6 | 121 | 195 | 265 |
| 893 | Schizophrenia | 4 | 120 | 884 | 1010 |
| 893 | Nematodes | 5 | 120 | 36 | 11 |
| 895 | Systems Engineering | 7 | 119 | 1562 | 1623 |
| 896 | Developmental Psychology | 8 | 117 | 589 | 927 |
| 896 | Food Preservation | 11 | 117 | 273 | 424 |
| 896 | Cardiovascular diseases | 4 | 117 | 1436 | 1335 |
| 896 | hygiene | 3 | 117 | 534 | 430 |
| 900 | Laser-plasma interactions | 9 | 116 | 38 | 36 |
| 900 | adolescence | 8 | 116 | 502 | 747 |
| 900 | aquatic insects | 15 | 116 | 7 | 12 |
| 900 | Plasma density | 9 | 116 | 38 | 36 |
| 904 | Statistical Mechanics | 11 | 115 | 511 | 552 |
| 904 | Transportation | 9 | 115 | 928 | 1345 |
| 904 | Wetland conservation | 3 | 115 | 286 | 235 |
| 904 | particle beams | 10 | 115 | 96 | 139 |
| 904 | Approximation Theory | 8 | 115 | 232 | 219 |
| 904 | Wetlands | 4 | 115 | 229 | 235 |
| 910 | Serology | 8 | 114 | 220 | 399 |
| 910 | international cooperation | 5 | 114 | 411 | 497 |
| 912 | Molecular Imaging | 3 | 113 | 683 | 708 |
| 912 | Tunneling | 2 | 113 | 391 | 381 |
| 912 | underground construction | 2 | 113 | 391 | 381 |
| 915 | Freezing | 12 | 112 | 127 | 195 |
| 915 | Adolescent | 7 | 112 | 1321 | 1627 |
| 917 | Medical Anthropology | 3 | 111 | 1247 | 1411 |
| 918 | Knowledge | 18 | 110 | 129 | 254 |
| 918 | Continuum Mechanics | 14 | 110 | 25 | 89 |
| 918 | Human biology | 10 | 110 | 277 | 441 |
| 921 | Plate Tectonics | 6 | 109 | 159 | 210 |
| 921 | vascular diseases | 3 | 109 | 700 | 753 |
| 921 | Combinatorial analysis | 27 | 109 | 272 | 499 |
| 924 | Hydrogeology | 11 | 108 | 323 | 630 |
| 924 | air quality | 2 | 108 | 318 | 139 |
| 926 | Nutrigenomics | 3 | 107 | 84 | 111 |
| 927 | Bipolar Disorder | 1 | 106 | 567 | 370 |
| 927 | Bacterial diseases | 5 | 106 | 148 | 280 |
| 929 | Historic Preservation | 9 | 105 | 37 | 56 |
| 929 | wetland management | 8 | 105 | 37 | 144 |
| 931 | Regional Economics | 6 | 104 | 264 | 365 |
| 931 | peer review | 1 | 104 | 158 | 39 |
| 931 | Gerontology | 13 | 104 | 921 | 1431 |
| 931 | scholarly publishing | 1 | 104 | 318 | 67 |
| 931 | Social problems | 3 | 104 | 579 | 559 |
| 931 | drug addiction | 2 | 104 | 1273 | 1077 |
| 931 | alcoholism | 2 | 104 | 1676 | 1305 |
| 938 | diffusion | 27 | 103 | 30 | 48 |
| 939 | Logic Programming | 14 | 102 | 66 | 152 |
| 939 | Shape Memory Alloys | 8 | 102 | 12 | 25 |
| 939 | Shape memory polymers | 8 | 102 | 12 | 25 |
| 939 | Shape Memory Effect | 8 | 102 | 12 | 25 |
| 939 | Cytokine | 4 | 102 | 320 | 546 |
| 944 | Cytoskeleton | 5 | 101 | 184 | 285 |
| 944 | California | 3 | 101 | 411 | 314 |
| 946 | Mathematical Economics | 5 | 100 | 229 | 305 |
| 947 | Stratigraphic Correlation | 5 | 99 | 13 | 12 |
| 948 | Economic Geography | 3 | 97 | 364 | 299 |
| 949 | Radiologic Technology | 1 | 96 | 341 | 76 |
| 949 | Ethnobotany | 1 | 96 | 429 | 244 |
| 949 | Interventional Radiology | 1 | 96 | 341 | 76 |
| 949 | Traditional medicine | 1 | 96 | 557 | 277 |
| 949 | Interventional Radiography | 1 | 96 | 341 | 76 |
| 949 | Endoscopic Surgery | 1 | 96 | 341 | 76 |
| 949 | ethnobiology | 2 | 96 | 324 | 278 |
| 949 | Youth | 4 | 96 | 557 | 650 |
| 949 | pain | 5 | 96 | 1012 | 1383 |
| 949 | population geography | 5 | 96 | 271 | 338 |
| 949 | econometric models | 6 | 96 | 330 | 541 |
| 949 | Ethnomedicine | 1 | 96 | 341 | 241 |
| 961 | Horticulture | 5 | 95 | 627 | 635 |
| 961 | human development | 12 | 95 | 330 | 833 |
| 963 | Microbial Genetics | 5 | 94 | 233 | 373 |
| 964 | forestry | 6 | 93 | 141 | 208 |
| 964 | Liposomes | 3 | 93 | 544 | 547 |
| 964 | Capitalism | 9 | 93 | 35 | 112 |
| 967 | Communication | 9 | 92 | 1183 | 1754 |
| 967 | geological modeling | 5 | 92 | 326 | 410 |
| 969 | Public Administration | 4 | 91 | 1201 | 948 |
| 969 | soil pollution | 8 | 91 | 213 | 492 |
| 969 | animal diseases | 7 | 91 | 267 | 447 |
| 969 | Catalyst | 3 | 91 | 17 | 86 |
| 973 | Ethnoarchaeology | 6 | 90 | 83 | 177 |
| 973 | Geochemical Modeling | 4 | 90 | 224 | 265 |
| 973 | complementary therapies | 6 | 90 | 1474 | 1885 |
| 973 | phytopathogenic bacteria | 4 | 90 | 212 | 360 |
| 973 | exobiology | 6 | 90 | 195 | 406 |
| 973 | clay minerals | 6 | 90 | 155 | 325 |
| 979 | Linguistics | 14 | 89 | 644 | 944 |
| 979 | Substance Abuse | 2 | 89 | 1653 | 1253 |
| 979 | Alloys | 12 | 89 | 75 | 120 |
| 982 | Criminology | 11 | 88 | 454 | 690 |
| 982 | Fiber Optics | 12 | 88 | 467 | 929 |
| 982 | Moon | 15 | 88 | 34 | 89 |
| 982 | scientific societies | 6 | 88 | 481 | 754 |
| 982 | plankton | 3 | 88 | 203 | 213 |
| 987 | Industrial Safety | 3 | 87 | 1173 | 1054 |
| 987 | dietary supplements | 3 | 87 | 837 | 899 |
| 987 | industrial relations | 3 | 87 | 806 | 616 |
| 990 | Clinical Psychology | 1 | 86 | 2047 | 1568 |
| 990 | Social History | 5 | 86 | 401 | 245 |
| 990 | Lightweight concrete | 4 | 86 | 321 | 677 |
| 993 | Genetic disorders | 5 | 85 | 369 | 521 |
| 993 | Industry | 6 | 85 | 61 | 428 |
| 995 | Ecophysiology | 6 | 84 | 103 | 218 |
| 995 | Radiopharmaceuticals | 23 | 84 | 60 | 183 |
| 995 | sedimentary basins | 2 | 84 | 263 | 247 |
| 995 | Superconductors | 8 | 84 | 602 | 712 |
| 995 | Alternative Medicine | 5 | 84 | 1518 | 1891 |
| 995 | Environmental Geochemistry | 4 | 84 | 390 | 499 |