| 1 | Chemistry | 6,478 | 377.6K | 18 | 21 |
| 2 | Physics | 5,541 | 214.0K | 43 | 149 |
| 3 | Materials | 3,553 | 184.5K | 22 | 19 |
| 4 | Nanotechnology | 3,090 | 158.0K | 9 | 17 |
| 5 | Biology | 1,740 | 131.7K | 189 | 229 |
| 6 | Pollution | 2,462 | 123.7K | 8 | 12 |
| 7 | Science | 2,193 | 117.9K | 145 | 259 |
| 8 | Analytical Chemistry | 2,281 | 96.0K | 6 | 4 |
| 9 | Materials Science | 1,927 | 89.8K | 25 | 29 |
| 10 | Catalysis | 1,646 | 85.6K | 15 | 10 |
| 11 | Environmental Health | 1,555 | 79.7K | 14 | 18 |
| 12 | Chemical Engineering | 1,595 | 79.5K | 23 | 17 |
| 13 | Biocompatible Materials | 1,520 | 78.3K | 15 | 22 |
| 14 | nanoscience | 1,099 | 65.2K | 10 | 13 |
| 15 | Biotechnology | 1,360 | 64.6K | 32 | 63 |
| 16 | environmental pollution | 1,525 | 64.3K | 10 | 10 |
| 17 | Environmental Engineering | 1,040 | 63.9K | 10 | 10 |
| 18 | Ecology | 1,398 | 62.5K | 70 | 136 |
| 19 | Biochemistry | 1,731 | 60.6K | 226 | 284 |
| 20 | Optical materials | 1,033 | 60.0K | 8 | 7 |
| 21 | Astrophysics | 1,840 | 56.0K | 84 | 214 |
| 22 | Solid State Physics | 2,417 | 54.9K | 25 | 66 |
| 23 | Molecular Biology | 1,427 | 54.8K | 167 | 290 |
| 24 | Biochemical Engineering | 1,060 | 54.2K | 10 | 19 |
| 25 | Nanostructured Materials | 1,248 | 53.0K | 7 | 12 |
| 26 | Bioengineering | 895 | 52.0K | 23 | 45 |
| 27 | Condensed Matter | 2,270 | 48.1K | 25 | 81 |
| 28 | sanitation | 646 | 47.9K | 8 | 11 |
| 29 | Spectrum analysis | 1,405 | 46.9K | 55 | 115 |
| 30 | Medicine | 1,445 | 45.2K | 260 | 413 |
| 31 | Environmental monitoring | 922 | 44.9K | 8 | 5 |
| 32 | Geophysics | 1,343 | 44.6K | 55 | 90 |
| 33 | Nuclear Physics | 1,592 | 44.3K | 137 | 189 |
| 34 | Optics | 2,309 | 44.1K | 14 | 22 |
| 35 | Research | 1,371 | 38.0K | 165 | 242 |
| 36 | Surface Chemistry | 1,073 | 37.7K | 12 | 13 |
| 37 | Biomedical Engineering | 904 | 37.6K | 26 | 17 |
| 38 | Colloids | 968 | 37.1K | 16 | 17 |
| 39 | Geology | 993 | 34.6K | 29 | 43 |
| 40 | Water | 545 | 33.7K | 14 | 18 |
| 41 | China | 2,058 | 32.8K | 7 | 7 |
| 42 | Environment | 660 | 32.5K | 80 | 158 |
| 43 | Electrochemistry | 933 | 32.2K | 34 | 23 |
| 44 | Water pollution | 512 | 31.5K | 20 | 20 |
| 45 | Astronomy | 1,331 | 30.8K | 117 | 292 |
| 46 | Artificial Intelligence | 1,089 | 29.2K | 9 | 20 |
| 47 | Biosensors | 456 | 28.9K | 3 | 3 |
| 48 | Polymers | 1,115 | 28.5K | 60 | 99 |
| 49 | Cytology | 441 | 27.7K | 244 | 307 |
| 50 | Geochemistry | 798 | 27.1K | 14 | 34 |
| 51 | Bioelectronics | 384 | 26.7K | 3 | 3 |
| 52 | Natural history | 138 | 26.7K | 462 | 548 |
| 53 | miniaturization | 420 | 23.5K | 14 | 46 |
| 54 | Pharmacology | 765 | 23.3K | 151 | 182 |
| 55 | Atmospheric Physics | 666 | 23.1K | 26 | 55 |
| 56 | Earth Sciences | 788 | 22.5K | 15 | 51 |
| 57 | Microelectronics | 392 | 21.6K | 23 | 42 |
| 58 | Photonics | 522 | 21.2K | 8 | 17 |
| 59 | Meteorology | 949 | 20.4K | 25 | 101 |
| 60 | Cancer | 470 | 19.6K | 151 | 205 |
| 61 | polymerization | 837 | 19.6K | 57 | 108 |
| 62 | Organic Chemistry | 568 | 19.4K | 30 | 36 |
| 63 | Environmental Policy | 361 | 18.6K | 27 | 53 |
| 64 | Metallurgy | 336 | 18.3K | 86 | 60 |
| 65 | Mathematics | 1,666 | 18.2K | 51 | 95 |
| 66 | Cell Biology | 414 | 18.0K | 225 | 444 |
| 67 | Metals | 299 | 18.0K | 80 | 57 |
| 68 | Renewable Energy Sources | 159 | 17.6K | 70 | 54 |
| 69 | Toxicology | 519 | 17.4K | 102 | 121 |
| 70 | environmental protection | 419 | 17.2K | 23 | 20 |
| 71 | Energy Conversion | 180 | 16.8K | 32 | 38 |
| 72 | Nanostructures | 349 | 16.7K | 12 | 28 |
| 73 | Neurology | 425 | 16.5K | 461 | 615 |
| 74 | Nanoparticles | 430 | 16.5K | 10 | 16 |
| 75 | Bioorganic chemistry | 389 | 16.5K | 35 | 31 |
| 76 | Solid State Chemistry | 717 | 16.0K | 12 | 10 |
| 77 | Statistical physics | 1,039 | 15.8K | 38 | 131 |
| 78 | Environmental Management | 362 | 15.7K | 12 | 18 |
| 79 | Climatology | 525 | 14.8K | 23 | 80 |
| 80 | Automation | 389 | 14.8K | 15 | 23 |
| 81 | Neural circuitry | 538 | 14.5K | 7 | 18 |
| 82 | Magnetic Materials | 383 | 14.3K | 10 | 8 |
| 83 | fuel cells | 160 | 14.2K | 41 | 33 |
| 84 | Pharmaceutical Chemistry | 414 | 14.1K | 113 | 157 |
| 85 | Mineralogy | 295 | 13.5K | 20 | 20 |
| 86 | Information Science | 460 | 13.4K | 6 | 18 |
| 87 | Atmospheric Chemistry | 237 | 13.4K | 52 | 71 |
| 88 | Control Theory | 601 | 13.4K | 5 | 9 |
| 89 | Environmental Chemistry | 167 | 13.4K | 57 | 54 |
| 90 | Microbiology | 360 | 13.2K | 522 | 711 |
| 91 | Petrology | 220 | 12.4K | 18 | 22 |
| 92 | Image Processing | 489 | 12.0K | 11 | 30 |
| 93 | Electronics | 690 | 11.9K | 52 | 74 |
| 94 | Energy Policy | 259 | 11.7K | 49 | 60 |
| 95 | Immunology | 272 | 11.2K | 365 | 493 |
| 96 | Environmental Toxicology | 345 | 11.1K | 22 | 51 |
| 97 | Biophysics | 473 | 11.0K | 346 | 451 |
| 98 | actuators | 351 | 11.0K | 16 | 26 |
| 98 | transducers | 351 | 11.0K | 16 | 26 |
| 100 | Crystal growth | 244 | 10.9K | 3 | 2 |
| 101 | Carbon | 175 | 10.9K | 32 | 24 |
| 102 | Signal Processing | 594 | 10.8K | 10 | 21 |
| 103 | Composite Materials | 259 | 10.8K | 93 | 115 |
| 104 | Engineering | 437 | 10.4K | 65 | 56 |
| 105 | Physical Chemistry | 230 | 10.0K | 69 | 87 |
| 106 | System analysis | 498 | 10.0K | 8 | 16 |
| 107 | Cell death | 214 | 9.8K | 26 | 85 |
| 108 | Green Chemistry | 217 | 9.8K | 33 | 56 |
| 109 | Engineering Geology | 226 | 9.8K | 26 | 28 |
| 110 | Organometallic chemistry | 485 | 9.7K | 5 | 4 |
| 111 | Asia | 362 | 9.6K | 33 | 19 |
| 112 | Clinical Chemistry | 241 | 9.5K | 114 | 126 |
| 113 | Biomass Energy | 213 | 9.5K | 74 | 99 |
| 114 | management | 281 | 9.4K | 113 | 271 |
| 115 | Environmental pollutants | 242 | 9.0K | 26 | 27 |
| 116 | Technology | 434 | 8.8K | 82 | 145 |
| 117 | Economics | 469 | 8.8K | 128 | 247 |
| 118 | Environmental Law | 131 | 8.5K | 27 | 27 |
| 119 | Hydrology | 290 | 8.4K | 64 | 110 |
| 120 | pollutants | 199 | 8.1K | 27 | 27 |
| 121 | Planets | 284 | 8.0K | 110 | 189 |
| 122 | Nutrition | 282 | 7.9K | 227 | 362 |
| 123 | Energy Storage | 152 | 7.8K | 22 | 15 |
| 124 | finance | 314 | 7.8K | 18 | 55 |
| 125 | Soil Science | 167 | 7.6K | 74 | 73 |
| 126 | Wireless Communication Systems | 364 | 7.4K | 13 | 14 |
| 127 | cytokines | 214 | 7.1K | 23 | 11 |
| 128 | Environmental Geology | 216 | 7.0K | 13 | 14 |
| 129 | Electrochemical Analysis | 239 | 7.0K | 18 | 24 |
| 130 | Meteorites | 210 | 6.7K | 52 | 109 |
| 131 | Sustainable Engineering | 157 | 6.7K | 34 | 42 |
| 132 | Ore deposits | 211 | 6.7K | 9 | 10 |
| 133 | Bioinorganic chemistry | 190 | 6.6K | 20 | 15 |
| 134 | Light | 17 | 6.6K | 378 | 65 |
| 135 | Cybernetics | 131 | 6.6K | 32 | 21 |
| 136 | Industrial Engineering | 199 | 6.4K | 41 | 36 |
| 137 | Computer Vision | 167 | 6.4K | 19 | 64 |
| 138 | Nonlinear Dynamics | 297 | 6.1K | 61 | 138 |
| 139 | Oncology | 115 | 6.1K | 208 | 383 |
| 140 | Inflammation | 113 | 6.0K | 19 | 14 |
| 141 | Immunotherapy | 226 | 6.0K | 41 | 167 |
| 142 | biological factors | 80 | 5.9K | 122 | 41 |
| 143 | energy conservation | 137 | 5.9K | 60 | 96 |
| 144 | Geodynamics | 85 | 5.8K | 57 | 36 |
| 145 | environmental exposure | 148 | 5.8K | 48 | 37 |
| 146 | Information Technology | 332 | 5.8K | 11 | 31 |
| 147 | energy resources | 107 | 5.7K | 31 | 68 |
| 148 | Nonlinear systems | 229 | 5.7K | 3 | 4 |
| 149 | Systems Engineering | 374 | 5.6K | 10 | 24 |
| 150 | energy development | 37 | 5.5K | 57 | 43 |
| 151 | computer networks | 295 | 5.5K | 19 | 45 |
| 152 | Multimedia Systems | 306 | 5.5K | 6 | 7 |
| 153 | Plant physiology | 64 | 5.4K | 371 | 227 |
| 154 | mass transfer | 112 | 5.4K | 98 | 70 |
| 155 | Chemical analysis | 199 | 5.3K | 18 | 10 |
| 156 | Ultrasonics | 202 | 5.2K | 3 | 17 |
| 157 | Energy Harvesting | 44 | 5.2K | 41 | 22 |
| 158 | Botany | 127 | 5.2K | 666 | 675 |
| 159 | Pharmacognosy | 113 | 5.1K | 99 | 72 |
| 160 | Telecommunication Systems | 261 | 5.1K | 12 | 14 |
| 161 | free radicals | 108 | 5.1K | 74 | 100 |
| 162 | Virology | 66 | 5.0K | 767 | 864 |
| 163 | Quantum Gravity | 299 | 5.0K | 216 | 421 |
| 164 | Mathematical Physics | 309 | 5.0K | 104 | 264 |
| 165 | Paleogeography | 188 | 5.0K | 10 | 23 |
| 166 | Physical organic chemistry | 174 | 5.0K | 17 | 13 |
| 167 | Food | 156 | 4.9K | 180 | 216 |
| 168 | Fractals | 188 | 4.9K | 8 | 12 |
| 169 | Paleoclimatology | 165 | 4.8K | 18 | 47 |
| 170 | Immunopharmacology | 179 | 4.8K | 27 | 19 |
| 171 | Physiology | 159 | 4.8K | 540 | 659 |
| 172 | Paleoecology | 161 | 4.8K | 16 | 34 |
| 173 | Dynamics | 230 | 4.8K | 11 | 16 |
| 174 | Membranes | 106 | 4.7K | 160 | 178 |
| 175 | Systems Analysis | 238 | 4.7K | 4 | 13 |
| 176 | environmental indicators | 106 | 4.7K | 17 | 14 |
| 177 | natural products | 56 | 4.6K | 213 | 60 |
| 178 | lasers | 331 | 4.6K | 15 | 19 |
| 179 | Industrial Microbiology | 98 | 4.6K | 97 | 105 |
| 180 | Geomorphology | 128 | 4.5K | 33 | 60 |
| 181 | Computer Graphics | 233 | 4.4K | 37 | 104 |
| 182 | Brain | 133 | 4.4K | 346 | 452 |
| 183 | Solar Energy | 91 | 4.3K | 66 | 58 |
| 184 | Molecular structure | 260 | 4.3K | 33 | 210 |
| 185 | Analytical Biochemistry | 115 | 4.3K | 52 | 87 |
| 186 | proteins | 140 | 4.1K | 112 | 187 |
| 187 | Medicinal plants | 101 | 4.1K | 59 | 46 |
| 187 | Solitons | 111 | 4.1K | 16 | 13 |
| 187 | Chaos | 111 | 4.1K | 16 | 13 |
| 190 | Zeolites | 120 | 4.1K | 11 | 13 |
| 191 | Agricultural Chemistry | 115 | 4.1K | 220 | 208 |
| 192 | health planning | 201 | 4.1K | 29 | 51 |
| 193 | Cell differentiation | 106 | 4.1K | 189 | 402 |
| 194 | International Finance | 178 | 4.1K | 20 | 39 |
| 195 | Computer Science | 310 | 4.1K | 9 | 27 |
| 196 | Data Mining | 81 | 4.1K | 43 | 94 |
| 196 | Transportation | 139 | 4.1K | 112 | 120 |
| 198 | Geography | 144 | 4.0K | 178 | 184 |
| 199 | Electrical Engineering | 431 | 4.0K | 95 | 85 |
| 200 | Medical Laboratory Science | 78 | 4.0K | 171 | 123 |
| 201 | Pathology | 129 | 4.0K | 256 | 401 |
| 202 | Neurochemistry | 132 | 3.9K | 265 | 384 |
| 203 | Building Materials | 93 | 3.9K | 134 | 154 |
| 204 | food technology | 137 | 3.8K | 171 | 214 |
| 205 | plant molecular biology | 47 | 3.8K | 353 | 336 |
| 206 | pigments | 157 | 3.8K | 8 | 9 |
| 207 | Economic History | 204 | 3.8K | 189 | 195 |
| 208 | Operations Research | 215 | 3.8K | 73 | 170 |
| 209 | Sonochemistry | 86 | 3.7K | 7 | 16 |
| 210 | city planning | 104 | 3.7K | 96 | 86 |
| 211 | Land use | 70 | 3.7K | 55 | 21 |
| 212 | Marine Meteorology | 307 | 3.7K | 9 | 42 |
| 213 | atmosphere | 126 | 3.7K | 19 | 18 |
| 214 | Sustainable Development | 117 | 3.6K | 47 | 119 |
| 215 | Tourism | 89 | 3.6K | 113 | 137 |
| 216 | Ecological Engineering | 79 | 3.6K | 9 | 9 |
| 217 | Electromagnetism | 183 | 3.6K | 7 | 4 |
| 218 | Mechanical Engineering | 289 | 3.6K | 57 | 97 |
| 219 | Diagnostic Imaging | 127 | 3.5K | 123 | 177 |
| 219 | explosives | 296 | 3.5K | 3 | 6 |
| 221 | solar cells | 52 | 3.5K | 63 | 38 |
| 222 | mathematical analysis | 320 | 3.4K | 32 | 86 |
| 223 | solar power | 50 | 3.4K | 42 | 27 |
| 224 | Oxidative stress | 89 | 3.3K | 38 | 53 |
| 225 | Pharmaceutical Technology | 84 | 3.3K | 95 | 92 |
| 226 | vibration | 165 | 3.3K | 37 | 67 |
| 227 | coal | 128 | 3.2K | 67 | 130 |
| 228 | Semiconductors | 221 | 3.2K | 41 | 63 |
| 229 | Production Management | 74 | 3.2K | 81 | 134 |
| 230 | Medical Oncology | 91 | 3.2K | 369 | 305 |
| 231 | Plastics | 111 | 3.2K | 66 | 55 |
| 232 | Genetics | 139 | 3.2K | 506 | 1092 |
| 233 | Neurophysiology | 90 | 3.1K | 590 | 795 |
| 234 | Molecular Spectroscopy | 171 | 3.1K | 35 | 73 |
| 235 | Manufacturing Processes | 158 | 3.1K | 120 | 193 |
| 236 | Stem cells | 75 | 3.1K | 193 | 217 |
| 237 | Microbial Ecology | 58 | 3.1K | 450 | 536 |
| 238 | Diabetes | 98 | 3.1K | 347 | 557 |
| 239 | Numerical Analysis | 170 | 3.0K | 68 | 120 |
| 240 | Engineering Mathematics | 372 | 3.0K | 26 | 104 |
| 241 | Heat Exchangers | 105 | 3.0K | 43 | 65 |
| 242 | Telecommunication | 188 | 3.0K | 61 | 91 |
| 243 | Developing countries | 100 | 3.0K | 173 | 196 |
| 244 | Oncogenes | 52 | 3.0K | 227 | 316 |
| 245 | Liver diseases | 104 | 3.0K | 161 | 431 |
| 246 | clay | 64 | 2.9K | 30 | 32 |
| 247 | Marine Biology | 88 | 2.9K | 453 | 439 |
| 248 | Biodiversity conservation | 35 | 2.9K | 492 | 520 |
| 249 | Structural dynamics | 91 | 2.9K | 68 | 103 |
| 250 | Diabetes mellitus | 83 | 2.9K | 359 | 552 |
| 251 | water supply | 70 | 2.8K | 111 | 151 |
| 252 | Fuzzy systems | 161 | 2.8K | 20 | 29 |
| 253 | Population | 54 | 2.8K | 117 | 47 |
| 254 | Housing | 51 | 2.8K | 23 | 11 |
| 255 | Climate change | 30 | 2.8K | 281 | 424 |
| 256 | catalytic activity | 61 | 2.8K | 33 | 34 |
| 257 | cell interaction | 89 | 2.8K | 38 | 47 |
| 258 | Urban Planning | 48 | 2.8K | 18 | 9 |
| 259 | community development | 47 | 2.8K | 31 | 5 |
| 260 | soil microbiology | 69 | 2.8K | 181 | 283 |
| 261 | Food additives | 57 | 2.8K | 117 | 98 |
| 262 | Surface properties | 70 | 2.8K | 30 | 46 |
| 263 | Genetic engineering | 78 | 2.7K | 205 | 323 |
| 264 | Eutrophication | 25 | 2.7K | 339 | 443 |
| 265 | Mobile Computing | 119 | 2.7K | 16 | 11 |
| 266 | Computational Biology | 128 | 2.7K | 209 | 529 |
| 267 | Plant Genetics | 22 | 2.7K | 181 | 80 |
| 268 | Pharmacy | 69 | 2.7K | 307 | 238 |
| 269 | hydrocolloids | 47 | 2.7K | 73 | 83 |
| 270 | Spine | 110 | 2.7K | 22 | 97 |
| 271 | Marine Geology | 88 | 2.7K | 25 | 37 |
| 272 | Signal Transduction | 85 | 2.6K | 68 | 203 |
| 273 | Nervous system | 110 | 2.6K | 270 | 582 |
| 274 | Petroleum Geology | 81 | 2.6K | 27 | 37 |
| 275 | Nonlinear functional analysis | 135 | 2.6K | 12 | 18 |
| 276 | Genetic regulation | 56 | 2.6K | 132 | 258 |
| 277 | Mechatronics | 84 | 2.6K | 15 | 7 |
| 277 | Plant Ecology | 52 | 2.6K | 316 | 303 |
| 279 | Process Control | 53 | 2.5K | 45 | 77 |
| 279 | Surface-Active Agents | 68 | 2.5K | 30 | 49 |
| 281 | biocatalysis | 12 | 2.5K | 33 | 43 |
| 281 | Homogeneous catalysis | 12 | 2.5K | 33 | 43 |
| 281 | Heterogeneous catalysis | 12 | 2.5K | 33 | 43 |
| 284 | Optical Communications | 92 | 2.5K | 15 | 12 |
| 285 | bioclimatology | 77 | 2.5K | 19 | 25 |
| 286 | Economic Development | 59 | 2.5K | 204 | 223 |
| 287 | Nanochemistry | 149 | 2.5K | 7 | 11 |
| 288 | Genomics | 106 | 2.5K | 387 | 620 |
| 289 | Microwaves | 353 | 2.5K | 7 | 16 |
| 290 | Statistics | 199 | 2.5K | 169 | 389 |
| 291 | Medical genetics | 69 | 2.5K | 756 | 1017 |
| 292 | Urban Policy | 52 | 2.4K | 38 | 19 |
| 293 | Oxidation-reduction | 45 | 2.4K | 59 | 117 |
| 294 | Plants | 59 | 2.4K | 399 | 473 |
| 295 | Soil Mechanics | 80 | 2.4K | 111 | 139 |
| 296 | Geomagnetism | 85 | 2.4K | 58 | 57 |
| 297 | Bioinformatics | 100 | 2.4K | 184 | 460 |
| 298 | Immunity | 50 | 2.4K | 515 | 822 |
| 299 | Paleontology | 103 | 2.4K | 125 | 121 |
| 300 | Superconductors | 136 | 2.3K | 20 | 28 |
| 301 | Investment analysis | 100 | 2.3K | 8 | 25 |
| 302 | Rock Mechanics | 78 | 2.3K | 83 | 104 |
| 303 | Social Change | 40 | 2.3K | 61 | 61 |
| 304 | Radiation | 131 | 2.3K | 107 | 190 |
| 305 | Combinatorial chemistry | 57 | 2.3K | 61 | 99 |
| 306 | Robotics | 126 | 2.3K | 65 | 134 |
| 307 | Public Health | 106 | 2.3K | 952 | 1296 |
| 308 | Electrophoresis | 119 | 2.3K | 60 | 130 |
| 309 | Oceanography | 114 | 2.3K | 244 | 419 |
| 310 | Machine Learning | 62 | 2.3K | 8 | 46 |
| 311 | Catalysts | 82 | 2.3K | 17 | 28 |
| 312 | economic policy | 143 | 2.2K | 111 | 173 |
| 313 | United States | 104 | 2.2K | 817 | 934 |
| 314 | Measurement | 134 | 2.2K | 25 | 45 |
| 315 | Combustion | 164 | 2.2K | 65 | 165 |
| 316 | Ceramics | 105 | 2.2K | 116 | 170 |
| 317 | sustainability | 34 | 2.1K | 64 | 95 |
| 318 | Computational Intelligence | 88 | 2.1K | 13 | 15 |
| 319 | ecosystem | 75 | 2.1K | 89 | 257 |
| 320 | Quantum theory | 58 | 2.1K | 65 | 49 |
| 321 | Calorimetry | 139 | 2.1K | 12 | 28 |
| 321 | Thermal analysis | 139 | 2.1K | 12 | 28 |
| 323 | atmospheric models | 51 | 2.1K | 142 | 167 |
| 324 | Marine Pollution | 52 | 2.1K | 105 | 133 |
| 325 | plasticity | 21 | 2.1K | 72 | 45 |
| 326 | Endocrinology | 65 | 2.1K | 812 | 1072 |
| 327 | Cell communication | 54 | 2.1K | 34 | 29 |
| 328 | concrete | 39 | 2.1K | 174 | 184 |
| 329 | Ocean Engineering | 110 | 2.0K | 115 | 208 |
| 330 | cell physiology | 42 | 2.0K | 342 | 413 |
| 331 | Glass | 97 | 2.0K | 98 | 169 |
| 331 | pottery | 97 | 2.0K | 96 | 165 |
| 333 | Human genetics | 29 | 2.0K | 972 | 1633 |
| 334 | Public Policy | 131 | 2.0K | 83 | 218 |
| 335 | Sun | 67 | 2.0K | 70 | 84 |
| 336 | Metabolism | 89 | 2.0K | 578 | 1026 |
| 337 | biopolymers | 85 | 2.0K | 88 | 167 |
| 338 | Ceramic materials | 91 | 1.9K | 76 | 118 |
| 339 | Differential Equations | 139 | 1.9K | 16 | 51 |
| 340 | Intelligent Transportation Systems | 97 | 1.9K | 32 | 37 |
| 340 | Remote Sensing | 138 | 1.9K | 52 | 57 |
| 342 | Critical Care | 31 | 1.9K | 548 | 584 |
| 343 | Software Engineering | 165 | 1.9K | 6 | 41 |
| 344 | Hazardous waste | 45 | 1.8K | 44 | 79 |
| 345 | Psychology | 123 | 1.8K | 724 | 1200 |
| 346 | Chromatographic analysis | 128 | 1.8K | 77 | 142 |
| 347 | Reproduction | 84 | 1.8K | 369 | 509 |
| 348 | Production Engineering | 123 | 1.8K | 113 | 174 |
| 349 | impact | 77 | 1.8K | 9 | 33 |
| 350 | cloning | 16 | 1.8K | 214 | 145 |
| 351 | arthritis | 27 | 1.8K | 478 | 420 |
| 352 | Algebra | 188 | 1.8K | 26 | 48 |
| 353 | Nanophotonics | 55 | 1.8K | 4 | 8 |
| 354 | internet | 90 | 1.8K | 35 | 54 |
| 355 | econometric models | 54 | 1.8K | 10 | 15 |
| 356 | Drug design | 64 | 1.7K | 119 | 217 |
| 357 | Critical Care Medicine | 26 | 1.7K | 624 | 606 |
| 358 | Metabolic diseases | 35 | 1.7K | 867 | 984 |
| 358 | natural disasters | 58 | 1.7K | 66 | 102 |
| 360 | optical pattern recognition | 14 | 1.7K | 25 | 6 |
| 361 | Radio | 96 | 1.7K | 25 | 35 |
| 362 | Aging | 66 | 1.7K | 589 | 659 |
| 363 | Soft Condensed Matter | 76 | 1.7K | 99 | 171 |
| 364 | Mineral resources | 54 | 1.7K | 17 | 24 |
| 364 | Kidney diseases | 46 | 1.7K | 137 | 143 |
| 366 | Developmental Biology | 53 | 1.7K | 515 | 772 |
| 367 | Biodiversity | 58 | 1.7K | 345 | 525 |
| 368 | commerce | 90 | 1.7K | 67 | 250 |
| 369 | Cosmochemistry | 65 | 1.7K | 50 | 115 |
| 370 | Soil biology | 34 | 1.7K | 227 | 273 |
| 371 | Fluid Dynamics | 78 | 1.6K | 101 | 131 |
| 372 | Chemical industry | 112 | 1.6K | 95 | 74 |
| 373 | Tunneling | 40 | 1.6K | 34 | 37 |
| 373 | underground construction | 40 | 1.6K | 34 | 37 |
| 375 | protein | 57 | 1.6K | 156 | 261 |
| 376 | Psychiatry | 83 | 1.6K | 974 | 1510 |
| 377 | Hematology | 102 | 1.6K | 912 | 1184 |
| 378 | Neuropsychology | 62 | 1.6K | 456 | 572 |
| 379 | Medical Microbiology | 44 | 1.6K | 647 | 836 |
| 380 | Chromatography | 102 | 1.6K | 72 | 137 |
| 381 | infrared radiation | 123 | 1.6K | 13 | 15 |
| 382 | data collection | 30 | 1.6K | 118 | 185 |
| 383 | Biogeochemistry | 55 | 1.6K | 188 | 349 |
| 384 | Bifurcation Theory | 50 | 1.6K | 33 | 24 |
| 385 | Organometallic compounds | 89 | 1.6K | 62 | 161 |
| 386 | Graphene | 7 | 1.6K | 25 | 2 |
| 387 | Bibliometrics | 60 | 1.6K | 3 | 10 |
| 388 | cell adhesion molecules | 35 | 1.5K | 31 | 21 |
| 389 | Solar System | 74 | 1.5K | 154 | 247 |
| 390 | radioactive waste | 30 | 1.5K | 61 | 100 |
| 390 | industrial waste | 30 | 1.5K | 71 | 99 |
| 392 | Cement | 30 | 1.5K | 120 | 154 |
| 393 | Photochemistry | 54 | 1.5K | 197 | 238 |
| 393 | Photobiology | 54 | 1.5K | 83 | 114 |
| 395 | Database Management | 66 | 1.5K | 74 | 146 |
| 396 | Neuroimmunology | 17 | 1.5K | 244 | 150 |
| 397 | Technological Innovations | 46 | 1.5K | 51 | 51 |
| 397 | Ultrasound | 104 | 1.5K | 6 | 39 |
| 399 | Physical Geography | 142 | 1.5K | 6 | 26 |
| 400 | Econometrics | 56 | 1.5K | 193 | 269 |
| 401 | Smart Materials | 74 | 1.5K | 43 | 85 |
| 402 | soil conservation | 49 | 1.4K | 37 | 36 |
| 403 | Behavior | 40 | 1.4K | 934 | 1089 |
| 404 | Molecules | 93 | 1.4K | 149 | 270 |
| 405 | Psychoneuroimmunology | 15 | 1.4K | 241 | 136 |
| 406 | Sociology | 105 | 1.4K | 349 | 623 |
| 406 | Gastrointestinal diseases | 76 | 1.4K | 18 | 30 |
| 408 | particles | 59 | 1.4K | 54 | 43 |
| 409 | Cellular senescence | 52 | 1.4K | 48 | 75 |
| 410 | Urology | 87 | 1.4K | 317 | 584 |
| 411 | Digestive system diseases | 60 | 1.4K | 109 | 134 |
| 412 | synthesis | 99 | 1.4K | 22 | 23 |
| 413 | Internet of Things | 79 | 1.4K | 29 | 42 |
| 414 | Water quality management | 81 | 1.4K | 105 | 203 |
| 415 | Adaptive control systems | 104 | 1.3K | 8 | 14 |
| 416 | Metallography | 65 | 1.3K | 29 | 53 |
| 417 | genome | 43 | 1.3K | 323 | 711 |
| 418 | Industrial Safety | 41 | 1.3K | 140 | 128 |
| 419 | human behavior | 41 | 1.3K | 609 | 911 |
| 420 | Drug delivery systems | 50 | 1.3K | 172 | 370 |
| 421 | Epidemiology | 54 | 1.3K | 983 | 1188 |
| 421 | Parenteral nutrition | 52 | 1.3K | 121 | 303 |
| 423 | Nanobiotechnology | 53 | 1.3K | 21 | 51 |
| 424 | brain mapping | 21 | 1.3K | 214 | 194 |
| 425 | Ultrasonic Imaging | 100 | 1.3K | 4 | 24 |
| 426 | Communication | 87 | 1.3K | 222 | 336 |
| 427 | Raman spectroscopy | 30 | 1.3K | 98 | 60 |
| 428 | Functional Analysis | 97 | 1.3K | 56 | 131 |
| 429 | Business | 41 | 1.3K | 467 | 639 |
| 430 | Tribology | 69 | 1.3K | 109 | 161 |
| 431 | Psychophysiology | 48 | 1.3K | 874 | 1135 |
| 432 | Embryology | 55 | 1.2K | 349 | 663 |
| 432 | Quality Control | 74 | 1.2K | 100 | 216 |
| 434 | Nephrology | 22 | 1.2K | 192 | 149 |
| 435 | Continental shelf | 28 | 1.2K | 76 | 76 |
| 436 | RNA | 36 | 1.2K | 54 | 109 |
| 437 | Social Sciences | 114 | 1.2K | 364 | 540 |
| 438 | reasoning | 25 | 1.2K | 30 | 20 |
| 439 | Structural design | 54 | 1.2K | 45 | 83 |
| 440 | Information Systems | 37 | 1.2K | 189 | 183 |
| 441 | dietary supplements | 24 | 1.2K | 110 | 72 |
| 441 | Interactive multimedia | 71 | 1.2K | 17 | 17 |
| 443 | Structural Engineering | 62 | 1.2K | 256 | 303 |
| 443 | nucleic acids | 43 | 1.2K | 479 | 889 |
| 445 | Surgery | 49 | 1.2K | 544 | 1085 |
| 445 | Computational Chemistry | 42 | 1.2K | 34 | 156 |
| 447 | Materials Engineering | 103 | 1.2K | 4 | 13 |
| 448 | Geriatrics | 37 | 1.2K | 969 | 827 |
| 449 | Radio waves | 71 | 1.2K | 18 | 17 |
| 450 | marketing | 37 | 1.2K | 451 | 534 |
| 451 | multimedia | 70 | 1.2K | 13 | 16 |
| 451 | Climate | 10 | 1.2K | 283 | 90 |
| 453 | Herbal medicine | 41 | 1.2K | 56 | 81 |
| 454 | biological monitoring | 20 | 1.2K | 78 | 40 |
| 455 | Sedimentary rocks | 35 | 1.1K | 37 | 69 |
| 456 | Environmental Microbiology | 33 | 1.1K | 284 | 483 |
| 457 | Fluid Mechanics | 82 | 1.1K | 214 | 376 |
| 458 | Recycling | 30 | 1.1K | 57 | 140 |
| 459 | Immunochemistry | 43 | 1.1K | 121 | 126 |
| 460 | carcinogens | 18 | 1.1K | 350 | 270 |
| 460 | drugs | 53 | 1.1K | 381 | 503 |
| 462 | Medical Physics | 58 | 1.1K | 372 | 483 |
| 463 | Plant diseases | 45 | 1.1K | 488 | 514 |
| 463 | Minerals | 29 | 1.1K | 82 | 63 |
| 465 | Cell metabolism | 12 | 1.1K | 295 | 470 |
| 466 | Microbial Biotechnology | 29 | 1.1K | 108 | 86 |
| 467 | Forecasting | 36 | 1.1K | 31 | 69 |
| 468 | optical devices | 59 | 1.1K | 9 | 15 |
| 468 | Plant cells | 25 | 1.1K | 449 | 734 |
| 470 | Geobiology | 36 | 1.1K | 45 | 60 |
| 471 | Capital market | 51 | 1.1K | 13 | 33 |
| 472 | Radio wave propagation | 134 | 1.1K | 7 | 33 |
| 473 | Andrology | 57 | 1.1K | 42 | 77 |
| 474 | Bioenergetics | 28 | 1.0K | 200 | 214 |
| 475 | Soil ecology | 31 | 1.0K | 131 | 166 |
| 476 | Luminescence | 58 | 1.0K | 92 | 119 |
| 477 | Waste management | 64 | 1.0K | 84 | 155 |
| 478 | Databases | 34 | 1.0K | 72 | 85 |
| 479 | Molecular Pharmacology | 30 | 1.0K | 130 | 207 |
| 480 | Homeostasis | 7 | 1.0K | 336 | 476 |
| 481 | Geochemical Modeling | 49 | 1.0K | 23 | 96 |
| 481 | geological modeling | 49 | 1.0K | 28 | 100 |
| 483 | Logistics | 37 | 999 | 37 | 81 |
| 484 | weather | 7 | 998 | 338 | 58 |
| 485 | Detectors | 134 | 996 | 15 | 29 |
| 486 | Number Theory | 122 | 994 | 11 | 16 |
| 486 | Groundwater | 56 | 994 | 64 | 104 |
| 488 | biomedicine | 51 | 991 | 50 | 78 |
| 489 | Allergy | 14 | 983 | 731 | 766 |
| 490 | Cellulose | 22 | 980 | 115 | 117 |
| 491 | Clinical Immunology | 37 | 978 | 286 | 324 |
| 492 | Stochastic Processes | 50 | 959 | 48 | 62 |
| 493 | Bioremediation | 64 | 957 | 14 | 77 |
| 494 | Biogeochemical cycles | 11 | 956 | 242 | 256 |
| 495 | Cardiovascular system | 19 | 955 | 809 | 987 |
| 496 | Hydrogeology | 65 | 950 | 30 | 67 |
| 497 | extraterrestrial environment | 41 | 949 | 79 | 54 |
| 497 | astronomical phenomena | 41 | 949 | 71 | 52 |
| 499 | global environmental change | 26 | 948 | 168 | 278 |
| 500 | Cosmology | 88 | 946 | 119 | 258 |
| 501 | Quality of life | 45 | 940 | 181 | 393 |
| 502 | Mental Disorders | 41 | 926 | 922 | 1411 |
| 503 | soil pollution | 38 | 921 | 27 | 29 |
| 504 | Fisheries | 11 | 920 | 1043 | 492 |
| 505 | Business Ethics | 22 | 918 | 216 | 347 |
| 506 | complementary therapies | 49 | 915 | 271 | 331 |
| 507 | Imaging systems | 61 | 913 | 17 | 29 |
| 508 | Superconductivity | 98 | 911 | 18 | 68 |
| 508 | Gene expression regulation | 43 | 911 | 142 | 393 |
| 510 | Atomic spectroscopy | 85 | 905 | 55 | 211 |
| 511 | Industrial Ecology | 6 | 902 | 111 | 46 |
| 512 | Cytokine | 6 | 899 | 267 | 98 |
| 513 | Regional Planning | 53 | 898 | 244 | 376 |
| 514 | Growth factors | 7 | 897 | 124 | 89 |
| 515 | Diet | 42 | 896 | 558 | 943 |
| 516 | Social Psychology | 54 | 885 | 443 | 772 |
| 517 | Financial Engineering | 11 | 882 | 28 | 9 |
| 517 | Carcinogenesis | 21 | 882 | 311 | 327 |
| 519 | Decision making | 64 | 875 | 129 | 367 |
| 520 | drug resistance | 12 | 870 | 239 | 98 |
| 521 | Alternative Medicine | 49 | 865 | 254 | 339 |
| 522 | Histology | 36 | 860 | 495 | 705 |
| 523 | biological evolution | 29 | 859 | 729 | 1068 |
| 524 | gene mapping | 36 | 847 | 520 | 952 |
| 525 | Information Theory | 61 | 843 | 87 | 244 |
| 525 | Neurobiology | 24 | 843 | 787 | 1014 |
| 527 | microwave antennas | 92 | 842 | 6 | 20 |
| 528 | Genetic therapy | 30 | 834 | 333 | 522 |
| 529 | Hormones | 22 | 829 | 486 | 507 |
| 530 | Ferroelectricity | 147 | 818 | 23 | 92 |
| 531 | Water Purification | 59 | 815 | 65 | 170 |
| 532 | Agriculture | 43 | 811 | 479 | 708 |
| 533 | Chromosome mapping | 35 | 801 | 461 | 812 |
| 534 | Quantum Optics | 79 | 800 | 44 | 147 |
| 535 | Antioxidants | 18 | 799 | 201 | 344 |
| 535 | Recombinant DNA | 51 | 799 | 170 | 447 |
| 537 | Laser Spectroscopy | 78 | 790 | 33 | 128 |
| 538 | Metallic Glasses | 47 | 788 | 37 | 84 |
| 539 | Southeast Asia | 13 | 786 | 119 | 18 |
| 540 | Lipids | 40 | 785 | 218 | 532 |
| 541 | Microprocessors | 39 | 783 | 21 | 18 |
| 541 | Crystallography | 168 | 783 | 49 | 302 |
| 543 | software | 29 | 782 | 100 | 166 |
| 544 | Quantum Chemistry | 68 | 781 | 43 | 114 |
| 545 | biochemical markers | 31 | 779 | 87 | 74 |
| 546 | Food Microbiology | 27 | 775 | 313 | 502 |
| 546 | Chemical structure | 59 | 775 | 10 | 19 |
| 548 | Orthopedics | 57 | 761 | 320 | 622 |
| 549 | Hypertension | 16 | 758 | 923 | 1084 |
| 550 | Computer Architecture | 37 | 757 | 45 | 44 |
| 550 | Eastern Europe | 57 | 757 | 52 | 33 |
| 552 | Mental illness | 27 | 753 | 744 | 1105 |
| 553 | Computer Engineering | 59 | 751 | 13 | 34 |
| 554 | Organic Geochemistry | 23 | 750 | 71 | 130 |
| 555 | Entropy | 39 | 743 | 77 | 71 |
| 556 | Human-Computer Interaction | 32 | 741 | 231 | 309 |
| 557 | Proteome | 25 | 739 | 327 | 520 |
| 558 | Environmental Geochemistry | 26 | 738 | 32 | 37 |
| 559 | Celestial Mechanics | 51 | 734 | 13 | 26 |
| 560 | Nanoelectronics | 53 | 731 | 83 | 93 |
| 561 | Clinical Pharmacology | 32 | 730 | 389 | 481 |
| 562 | Evolution | 29 | 727 | 629 | 966 |
| 563 | Japan | 32 | 726 | 584 | 375 |
| 564 | Fracture mechanics | 41 | 719 | 310 | 411 |
| 565 | Radiation effects | 7 | 715 | 382 | 133 |
| 566 | Radiography | 24 | 705 | 218 | 240 |
| 567 | Hydrometeorology | 22 | 702 | 44 | 109 |
| 567 | Computer-Aided Design | 41 | 702 | 145 | 271 |
| 569 | Cardiovascular diseases | 41 | 701 | 401 | 586 |
| 570 | Statistical Mechanics | 141 | 700 | 32 | 185 |
| 570 | infection | 26 | 700 | 544 | 782 |
| 572 | Enteral nutrition | 28 | 697 | 171 | 374 |
| 573 | Immunopathology | 24 | 696 | 524 | 598 |
| 574 | Risk assessment | 39 | 694 | 17 | 38 |
| 575 | drug evaluation | 30 | 690 | 235 | 281 |
| 576 | mutagens | 12 | 689 | 412 | 382 |
| 577 | Neurons | 7 | 687 | 563 | 840 |
| 578 | Microorganisms | 11 | 686 | 666 | 635 |
| 579 | hazard mitigation | 34 | 684 | 79 | 185 |
| 579 | World Wide Web | 42 | 684 | 12 | 22 |
| 581 | Biogeography | 12 | 683 | 549 | 565 |
| 581 | Mechanics | 67 | 683 | 99 | 266 |
| 583 | Europe | 45 | 681 | 871 | 1077 |
| 584 | Earthquake Engineering | 34 | 677 | 340 | 462 |
| 585 | Reproductive toxicology | 10 | 676 | 218 | 127 |
| 586 | Molecular evolution | 27 | 675 | 524 | 755 |
| 587 | Boundary Value Problems | 65 | 674 | 11 | 14 |
| 588 | Egypt | 19 | 672 | 85 | 59 |
| 589 | Particle Physics | 49 | 671 | 61 | 140 |
| 590 | Anatomy | 31 | 670 | 671 | 922 |
| 591 | Antenna Arrays | 61 | 669 | 8 | 7 |
| 592 | Visual Communication | 52 | 662 | 10 | 33 |
| 592 | Image enhancement | 52 | 662 | 9 | 32 |
| 592 | food contamination | 35 | 662 | 125 | 152 |
| 595 | Water quality | 52 | 657 | 4 | 9 |
| 595 | Water chemistry | 52 | 657 | 6 | 20 |
| 597 | Proteomics | 21 | 655 | 317 | 445 |
| 598 | Health Risk Assessment | 31 | 653 | 17 | 24 |
| 599 | food handling | 25 | 650 | 145 | 236 |
| 600 | Virulence | 17 | 648 | 517 | 852 |
| 601 | Human Resources | 20 | 647 | 71 | 124 |
| 601 | Informatics | 27 | 647 | 133 | 261 |
| 603 | Medical Technology | 43 | 643 | 235 | 520 |
| 604 | Intelligent Control Systems | 76 | 637 | 37 | 102 |
| 605 | Information Retrieval | 24 | 636 | 73 | 125 |
| 606 | ecological risk assessment | 29 | 633 | 9 | 16 |
| 607 | Quantum electronics | 87 | 631 | 32 | 92 |
| 608 | Obstetrics | 41 | 627 | 818 | 1076 |
| 609 | Cytogenetics | 24 | 625 | 580 | 1058 |
| 609 | Evidence-Based Medicine | 42 | 625 | 165 | 218 |
| 611 | soil management | 18 | 624 | 147 | 172 |
| 611 | Pesticides | 22 | 624 | 131 | 100 |
| 613 | Navigation | 50 | 619 | 33 | 54 |
| 614 | Therapeutics | 26 | 617 | 636 | 1012 |
| 615 | Hydrodynamics | 24 | 613 | 126 | 187 |
| 616 | Landslides | 12 | 607 | 69 | 82 |
| 617 | Microstructure | 79 | 606 | 13 | 56 |
| 618 | Biopharmaceutics | 14 | 605 | 513 | 406 |
| 618 | venom | 17 | 605 | 239 | 185 |
| 618 | Toxins | 17 | 605 | 265 | 199 |
| 621 | Orthopedic Surgery | 44 | 604 | 108 | 293 |
| 622 | Geographic information systems | 65 | 602 | 51 | 160 |
| 623 | Systems Biology | 36 | 585 | 290 | 534 |
| 624 | Diagnosis | 30 | 581 | 69 | 69 |
| 625 | economic conditions | 5 | 580 | 533 | 169 |
| 626 | Petroleum Engineering | 25 | 577 | 211 | 217 |
| 627 | carbon monoxide | 22 | 573 | 15 | 63 |
| 628 | land degradation | 16 | 572 | 86 | 71 |
| 628 | degradation | 16 | 572 | 86 | 71 |
| 630 | Health Education | 15 | 571 | 943 | 666 |
| 631 | Clinical Psychology | 19 | 568 | 627 | 854 |
| 631 | machinery | 34 | 568 | 79 | 132 |
| 633 | plant communities | 15 | 564 | 512 | 621 |
| 634 | Attention | 5 | 563 | 1917 | 870 |
| 635 | Australia | 45 | 562 | 329 | 502 |
| 636 | investigative techniques | 5 | 559 | 67 | 26 |
| 637 | Plant hormones | 17 | 557 | 58 | 66 |
| 638 | Memory | 8 | 554 | 1544 | 982 |
| 639 | Mining Engineering | 14 | 549 | 196 | 161 |
| 639 | Host-parasite interactions | 11 | 549 | 769 | 1020 |
| 641 | Perception | 5 | 548 | 2022 | 969 |
| 642 | Fiber Optics | 52 | 545 | 31 | 56 |
| 643 | Rheumatology | 24 | 541 | 433 | 725 |
| 643 | Economic Thought | 3 | 541 | 344 | 161 |
| 643 | Visual Perception | 4 | 541 | 2060 | 863 |
| 646 | Food service management | 5 | 540 | 279 | 180 |
| 647 | Pharmacogenetics | 14 | 539 | 503 | 545 |
| 647 | Corporate Social Responsibility | 13 | 539 | 34 | 62 |
| 647 | environmental auditing | 13 | 539 | 35 | 62 |
| 650 | viruses | 10 | 532 | 1058 | 1066 |
| 651 | Antibodies | 8 | 531 | 463 | 278 |
| 651 | Antigens | 8 | 531 | 665 | 402 |
| 653 | Molecular cloning | 39 | 530 | 209 | 589 |
| 653 | Developmental Immunology | 25 | 530 | 138 | 239 |
| 653 | drug therapy | 30 | 530 | 918 | 1324 |
| 656 | Landscape Ecology | 9 | 528 | 229 | 189 |
| 657 | Genetic recombination | 38 | 527 | 209 | 581 |
| 657 | Heterocyclic compounds | 33 | 527 | 188 | 129 |
| 659 | Cognitive Science | 28 | 521 | 361 | 699 |
| 660 | pain | 17 | 520 | 674 | 828 |
| 661 | economic forecasting | 8 | 513 | 149 | 114 |
| 662 | Mass Spectrometry | 32 | 512 | 314 | 520 |
| 662 | Lightweight concrete | 6 | 512 | 260 | 219 |
| 662 | freshwater biology | 26 | 512 | 193 | 352 |
| 665 | Natural resources | 25 | 509 | 154 | 308 |
| 666 | Hemodynamics | 7 | 507 | 485 | 408 |
| 667 | Psychopharmacology | 16 | 500 | 903 | 1042 |
| 668 | Geodesy | 22 | 498 | 145 | 171 |
| 669 | biofuels | 5 | 492 | 216 | 154 |
| 669 | DNA | 20 | 492 | 89 | 108 |
| 671 | Paleobiology | 40 | 490 | 22 | 23 |
| 672 | health services accessibility | 13 | 487 | 395 | 295 |
| 672 | Socioeconomic Factors | 13 | 487 | 289 | 231 |
| 672 | Semiconductor industry | 28 | 487 | 119 | 117 |
| 675 | Adhesion | 27 | 486 | 54 | 91 |
| 675 | adhesives | 27 | 486 | 63 | 93 |
| 677 | Simulation Methods | 15 | 484 | 268 | 144 |
| 678 | Thrombosis | 22 | 482 | 429 | 614 |
| 678 | Gerontology | 20 | 482 | 839 | 762 |
| 678 | cryosphere | 19 | 482 | 148 | 210 |
| 681 | Hematopoietic stem cell transplantation | 10 | 481 | 167 | 169 |
| 681 | clay minerals | 19 | 481 | 53 | 98 |
| 683 | Pancreatic diseases | 24 | 480 | 158 | 108 |
| 684 | Marine resources | 16 | 478 | 171 | 164 |
| 685 | Climate Change Mitigation | 1 | 477 | 116 | 27 |
| 685 | Global warming | 1 | 477 | 354 | 28 |
| 685 | sea level | 1 | 477 | 116 | 27 |
| 688 | drug toxicity | 18 | 475 | 51 | 84 |
| 689 | Algorithms | 24 | 470 | 113 | 145 |
| 689 | Shock Waves | 51 | 470 | 10 | 26 |
| 689 | peptides | 34 | 470 | 79 | 156 |
| 692 | Developed countries | 5 | 467 | 119 | 61 |
| 693 | Coastal zone management | 21 | 465 | 118 | 181 |
| 694 | Granular materials | 21 | 461 | 82 | 115 |
| 695 | Optoelectronics | 60 | 460 | 24 | 47 |
| 696 | Entomology | 44 | 459 | 633 | 896 |
| 697 | toxicity testing | 24 | 456 | 128 | 243 |
| 698 | Forest Ecology | 16 | 455 | 455 | 561 |
| 699 | Growth | 19 | 454 | 568 | 981 |
| 699 | Vaccines | 35 | 454 | 544 | 1009 |
| 701 | Sexual health | 24 | 449 | 208 | 272 |
| 702 | Travel | 13 | 448 | 337 | 186 |
| 703 | Genes | 23 | 445 | 294 | 438 |
| 704 | Biomechanics | 28 | 440 | 386 | 714 |
| 705 | Power Electronics | 47 | 435 | 67 | 156 |
| 706 | Health | 18 | 434 | 1044 | 1143 |
| 707 | Environmental Psychology | 9 | 433 | 136 | 191 |
| 707 | Sound | 54 | 433 | 36 | 111 |
| 707 | Phytotherapy | 17 | 433 | 223 | 276 |
| 710 | Structural optimization | 18 | 432 | 84 | 122 |
| 711 | Drug targeting | 15 | 429 | 49 | 86 |
| 711 | Computational Complexity | 46 | 429 | 65 | 156 |
| 713 | Transnational corporations | 19 | 427 | 20 | 50 |
| 714 | Agricultural Ecology | 17 | 424 | 406 | 714 |
| 714 | Second Language Acquisition | 8 | 424 | 83 | 85 |
| 716 | Biometrics | 14 | 423 | 572 | 502 |
| 717 | Zoology | 26 | 421 | 1039 | 1145 |
| 718 | Cell division | 22 | 418 | 84 | 191 |
| 719 | Project Management | 6 | 416 | 162 | 180 |
| 720 | Health Information Management | 7 | 411 | 116 | 250 |
| 720 | Respiration | 17 | 411 | 723 | 943 |
| 722 | Cell cycle | 28 | 410 | 34 | 90 |
| 722 | cell proliferation | 28 | 410 | 40 | 95 |
| 724 | Sedimentology | 19 | 407 | 139 | 259 |
| 725 | Community Psychology | 13 | 405 | 225 | 312 |
| 726 | disease susceptibility | 16 | 403 | 65 | 61 |
| 726 | symptoms | 16 | 403 | 65 | 61 |
| 728 | Civil Engineering | 46 | 401 | 247 | 306 |
| 729 | Hemostasis | 17 | 398 | 304 | 321 |
| 729 | personality | 32 | 398 | 421 | 863 |
| 729 | radar | 37 | 398 | 23 | 57 |
| 729 | Sonar | 37 | 398 | 23 | 46 |
| 729 | Export Marketing | 3 | 398 | 213 | 97 |
| 734 | Optoelectronic devices | 61 | 395 | 36 | 106 |
| 735 | Traffic Engineering | 13 | 391 | 121 | 176 |
| 736 | air quality management | 19 | 390 | 74 | 178 |
| 736 | Emerging infectious diseases | 10 | 390 | 101 | 92 |
| 738 | Biomolecules | 23 | 388 | 56 | 252 |
| 739 | Nuclear Medicine | 19 | 387 | 461 | 605 |
| 740 | Forest Management | 12 | 384 | 530 | 575 |
| 741 | Infections | 14 | 382 | 574 | 937 |
| 741 | Sensor Networks | 31 | 382 | 10 | 42 |
| 743 | Political Science | 20 | 379 | 764 | 667 |
| 744 | Animal Behavior | 9 | 376 | 1341 | 1393 |
| 745 | Approximation Theory | 42 | 375 | 33 | 83 |
| 746 | Molecular Genetics | 28 | 374 | 719 | 1435 |
| 747 | micromechanics | 32 | 373 | 71 | 227 |
| 748 | ovary | 11 | 372 | 48 | 31 |
| 749 | Clinical Biochemistry | 20 | 369 | 510 | 684 |
| 750 | Cheminformatics | 8 | 368 | 140 | 253 |
| 750 | Aquaculture | 11 | 368 | 876 | 746 |
| 752 | Green Technology | 20 | 366 | 44 | 44 |
| 752 | Combinatorial analysis | 63 | 366 | 116 | 249 |
| 752 | tillage | 10 | 366 | 179 | 249 |
| 755 | Computational Linguistics | 21 | 362 | 59 | 56 |
| 755 | Immune system | 11 | 362 | 627 | 1150 |
| 757 | Humanities | 59 | 360 | 121 | 294 |
| 758 | Mycology | 23 | 359 | 598 | 1004 |
| 759 | gene therapy | 20 | 355 | 401 | 906 |
| 760 | herbicides | 1 | 354 | 576 | 95 |
| 761 | Histochemistry | 20 | 353 | 370 | 527 |
| 762 | Soil fertility | 8 | 352 | 188 | 213 |
| 762 | Cognition | 23 | 352 | 656 | 1041 |
| 764 | Mountains | 16 | 349 | 72 | 40 |
| 765 | Technology Assessment | 8 | 348 | 100 | 135 |
| 766 | Ophthalmology | 21 | 347 | 800 | 1150 |
| 767 | Planetary Science | 39 | 345 | 84 | 220 |
| 768 | radiative transfer | 26 | 343 | 140 | 250 |
| 769 | Aerosols | 10 | 341 | 333 | 268 |
| 769 | DNS | 17 | 341 | 97 | 191 |
| 771 | Molecular Imaging | 14 | 340 | 359 | 519 |
| 771 | electric vehicles | 28 | 340 | 26 | 40 |
| 771 | United Kingdom | 8 | 340 | 1240 | 1171 |
| 774 | Radioisotopes | 14 | 338 | 572 | 392 |
| 775 | Freshwater Ecology | 8 | 337 | 106 | 17 |
| 775 | Functional foods | 9 | 337 | 141 | 114 |
| 777 | North America | 26 | 335 | 198 | 295 |
| 778 | Geotechnical Engineering | 11 | 334 | 222 | 209 |
| 779 | Library Science | 39 | 333 | 172 | 188 |
| 780 | Organizational Behavior | 10 | 331 | 305 | 384 |
| 780 | Obesity | 21 | 331 | 925 | 1635 |
| 782 | Endocrine glands | 1 | 330 | 644 | 288 |
| 782 | Plant genetic engineering | 11 | 330 | 483 | 646 |
| 784 | Elementary particles | 3 | 327 | 184 | 171 |
| 785 | Fuzzy Logic | 18 | 326 | 8 | 20 |
| 786 | Erectile dysfunction | 8 | 324 | 120 | 83 |
| 787 | Medical innovations | 19 | 321 | 324 | 1288 |
| 787 | Product life cycle | 4 | 321 | 281 | 181 |
| 787 | green products | 4 | 321 | 248 | 179 |
| 787 | probabilities | 59 | 321 | 211 | 445 |
| 791 | Emulsions | 26 | 320 | 47 | 51 |
| 792 | Reproductive health | 21 | 319 | 211 | 376 |
| 792 | Roads | 21 | 319 | 281 | 303 |
| 794 | Biodegradation | 12 | 318 | 211 | 345 |
| 794 | Leukemia | 7 | 318 | 1106 | 1011 |
| 796 | Hydraulic Engineering | 16 | 316 | 385 | 451 |
| 796 | fertility | 13 | 316 | 704 | 879 |
| 798 | Health Policy | 15 | 315 | 1188 | 1473 |
| 798 | Infertility | 12 | 315 | 704 | 834 |
| 800 | Quantum Computing | 2 | 314 | 243 | 75 |
| 800 | occupational diseases | 10 | 314 | 530 | 536 |
| 800 | food industry | 20 | 314 | 83 | 123 |
| 803 | Pharmacokinetics | 13 | 312 | 367 | 495 |
| 803 | Social work | 25 | 312 | 439 | 542 |
| 805 | Wildlife conservation | 10 | 306 | 727 | 967 |
| 806 | Ethology | 6 | 305 | 1309 | 1329 |
| 807 | Androgens | 11 | 302 | 84 | 151 |
| 807 | Biomass | 9 | 302 | 293 | 447 |
| 809 | Land Use Planning | 5 | 301 | 262 | 204 |
| 810 | East Asia | 31 | 300 | 61 | 84 |
| 811 | Aerospace Engineering | 55 | 299 | 23 | 49 |
| 811 | Bone diseases | 9 | 299 | 233 | 424 |
| 813 | Molecular Microbiology | 11 | 298 | 504 | 896 |
| 814 | international trade | 8 | 297 | 372 | 274 |
| 815 | Bioavailability | 19 | 296 | 5 | 7 |
| 815 | Plant tissue culture | 8 | 296 | 444 | 382 |
| 815 | Respiratory system | 8 | 296 | 397 | 378 |
| 815 | ecotourism | 10 | 296 | 62 | 57 |
| 815 | Plant cell culture | 8 | 296 | 381 | 376 |
| 820 | Nondestructive testing | 26 | 293 | 109 | 241 |
| 821 | Strategic planning | 22 | 292 | 130 | 359 |
| 821 | vascular diseases | 9 | 292 | 489 | 643 |
| 823 | Rural Development | 9 | 289 | 261 | 231 |
| 824 | Adolescent | 22 | 286 | 823 | 1308 |
| 825 | sedimentary basins | 9 | 283 | 90 | 114 |
| 826 | structural stability | 25 | 282 | 74 | 205 |
| 827 | Tropical Medicine | 10 | 279 | 1223 | 977 |
| 828 | Flexible manufacturing systems | 11 | 278 | 102 | 142 |
| 829 | Energy Consumption | 12 | 275 | 44 | 62 |
| 830 | Software Maintenance | 28 | 274 | 3 | 19 |
| 831 | Animal ecology | 14 | 273 | 596 | 778 |
| 832 | Microscopy | 56 | 272 | 201 | 789 |
| 833 | Neurotoxicology | 7 | 271 | 357 | 356 |
| 834 | Tissue Engineering | 6 | 270 | 178 | 165 |
| 834 | Bacteriology | 13 | 270 | 1120 | 1813 |
| 834 | analysis | 7 | 270 | 241 | 233 |
| 834 | Transport | 8 | 270 | 377 | 413 |
| 834 | Sea | 8 | 270 | 333 | 335 |
| 834 | Fishery resources | 8 | 270 | 380 | 364 |
| 834 | Futures | 10 | 270 | 112 | 110 |
| 841 | Socialization | 3 | 267 | 557 | 350 |
| 841 | Securities | 19 | 267 | 17 | 128 |
| 841 | role | 3 | 267 | 458 | 297 |
| 844 | Parasitic Diseases | 12 | 266 | 1286 | 1557 |
| 845 | Medical Anthropology | 9 | 265 | 803 | 1147 |
| 845 | aerosol | 6 | 265 | 338 | 208 |
| 847 | Computational Fluid Dynamics | 23 | 264 | 133 | 284 |
| 848 | Evolutionary Computation | 16 | 261 | 70 | 213 |
| 849 | Human Geography | 19 | 258 | 405 | 555 |
| 849 | forest policy | 4 | 258 | 338 | 162 |
| 851 | Applied Mathematics | 57 | 254 | 47 | 83 |
| 852 | Wind power | 2 | 253 | 475 | 112 |
| 853 | epilepsy | 6 | 250 | 855 | 631 |
| 853 | weather forecasting | 9 | 250 | 102 | 134 |
| 855 | Happiness | 17 | 247 | 45 | 198 |
| 856 | Aquatic ecology | 18 | 246 | 304 | 580 |
| 857 | Entrepreneurship | 16 | 245 | 327 | 781 |
| 858 | pain management | 9 | 244 | 373 | 380 |
| 858 | visualization | 37 | 244 | 325 | 441 |
| 858 | innovation | 8 | 244 | 342 | 579 |
| 861 | Fuzzy Sets | 14 | 242 | 11 | 25 |
| 861 | Fuzzy algorithms | 14 | 242 | 11 | 25 |
| 863 | Diagnostic microbiology | 3 | 241 | 1746 | 1631 |
| 864 | Cerebellum | 7 | 240 | 155 | 189 |
| 864 | Cerebellar ataxia | 7 | 240 | 155 | 189 |
| 866 | Rock deformation | 10 | 239 | 66 | 102 |
| 866 | place marketing | 6 | 239 | 35 | 68 |
| 868 | Economic Assistance | 8 | 238 | 427 | 574 |
| 869 | Formal Languages | 7 | 237 | 94 | 27 |
| 870 | Radiochemistry | 38 | 236 | 218 | 440 |
| 870 | older people | 10 | 236 | 1067 | 773 |
| 870 | drug development | 16 | 236 | 377 | 1388 |
| 870 | Development | 7 | 236 | 550 | 641 |
| 870 | vitamin C | 8 | 236 | 175 | 303 |
| 870 | vitamin E | 8 | 236 | 175 | 303 |
| 876 | Integrated Circuits | 88 | 234 | 13 | 113 |
| 877 | Neurosurgery | 15 | 232 | 612 | 933 |
| 877 | Quantum Communication | 9 | 232 | 77 | 138 |
| 877 | Breeding | 9 | 232 | 806 | 893 |
| 880 | amino acids | 10 | 229 | 215 | 375 |
| 881 | Food Preservation | 17 | 228 | 197 | 256 |
| 882 | Cloud Computing | 21 | 227 | 14 | 43 |
| 883 | Geometry | 40 | 226 | 225 | 407 |
| 883 | Developmental Genetics | 6 | 226 | 500 | 735 |
| 883 | rehabilitation | 23 | 226 | 812 | 1638 |
| 883 | Autonomous robots | 1 | 226 | 378 | 110 |
| 887 | Nuclear Chemistry | 36 | 225 | 242 | 528 |
| 888 | Public Administration | 21 | 224 | 502 | 688 |
| 888 | environmental issues | 7 | 224 | 234 | 279 |
| 890 | Chemical kinetics | 30 | 223 | 85 | 180 |
| 890 | Fertilizers | 5 | 223 | 315 | 228 |
| 892 | Financial management | 10 | 222 | 237 | 406 |
| 893 | Telecommunications | 15 | 221 | 195 | 233 |
| 893 | Biomarkers | 9 | 221 | 156 | 142 |
| 895 | Municipal Engineering | 4 | 220 | 316 | 121 |
| 896 | planning | 13 | 219 | 221 | 284 |
| 897 | economic indicators | 12 | 218 | 24 | 20 |
| 897 | kidney | 2 | 218 | 114 | 68 |
| 899 | enzymes | 18 | 217 | 600 | 1282 |
| 900 | Radio frequency | 20 | 216 | 44 | 140 |
| 900 | Pregnancy | 19 | 216 | 244 | 532 |
| 902 | Radiobiology | 20 | 215 | 907 | 1328 |
| 902 | big data | 20 | 215 | 36 | 191 |
| 904 | behavioral medicine | 7 | 214 | 996 | 1253 |
| 905 | Patient education | 2 | 213 | 998 | 532 |
| 905 | counseling | 2 | 213 | 2049 | 873 |
| 907 | Radiology | 11 | 212 | 1080 | 999 |
| 908 | Bones | 19 | 210 | 374 | 877 |
| 909 | Porous materials | 24 | 209 | 101 | 285 |
| 909 | Chronic diseases | 3 | 209 | 890 | 746 |
| 911 | gastrointestinal tract | 9 | 208 | 100 | 268 |
| 912 | Artificial Organs | 9 | 207 | 449 | 374 |
| 912 | Leadership | 4 | 207 | 451 | 434 |
| 914 | Horticulture | 11 | 205 | 394 | 390 |
| 914 | Mining Geology | 16 | 205 | 20 | 24 |
| 914 | Erosion | 5 | 205 | 39 | 28 |
| 917 | Korea | 17 | 204 | 85 | 88 |
| 918 | Plant Biotechnology | 8 | 203 | 492 | 626 |
| 918 | Wireless Communication | 22 | 203 | 37 | 124 |
| 918 | Neuroplasticity | 9 | 203 | 116 | 186 |
| 921 | Seismology | 16 | 202 | 226 | 366 |
| 922 | Education | 23 | 200 | 1614 | 2105 |
| 922 | Microbial Metabolism | 5 | 200 | 98 | 123 |
| 922 | economic analysis | 14 | 200 | 69 | 86 |
| 925 | stocks | 9 | 198 | 20 | 67 |
| 925 | world | 4 | 198 | 726 | 766 |
| 927 | Schizophrenia | 2 | 196 | 1604 | 1083 |
| 928 | Chemotherapy | 10 | 195 | 1011 | 1312 |
| 928 | Alzheimer's disease | 23 | 195 | 652 | 1007 |
| 928 | data protection | 9 | 195 | 205 | 189 |
| 931 | Muscle contraction | 27 | 194 | 11 | 24 |
| 932 | preimplantation genetic diagnosis | 10 | 193 | 221 | 278 |
| 932 | embryo transfer | 10 | 193 | 242 | 292 |
| 934 | Risk Management | 10 | 192 | 342 | 466 |
| 934 | Sustainable agriculture | 12 | 192 | 293 | 527 |
| 936 | Supramolecular chemistry | 22 | 191 | 18 | 46 |
| 936 | Chemical processes | 26 | 191 | 109 | 336 |
| 938 | Electromagnetic fields | 39 | 189 | 9 | 25 |
| 939 | Nitric oxide | 4 | 186 | 323 | 198 |
| 940 | Marine Geophysics | 10 | 184 | 89 | 106 |
| 940 | Marine mineral resources | 10 | 184 | 42 | 38 |
| 940 | Steroids | 13 | 184 | 523 | 870 |
| 940 | Seabed | 10 | 184 | 42 | 38 |
| 944 | Atmospheric Science | 11 | 183 | 70 | 134 |
| 944 | Plant Morphology | 9 | 183 | 281 | 318 |
| 944 | Plate Tectonics | 16 | 183 | 64 | 144 |
| 944 | Fractional Calculus | 7 | 183 | 39 | 50 |
| 944 | Social policy | 11 | 183 | 515 | 529 |
| 949 | bioluminescence | 15 | 182 | 58 | 82 |
| 949 | Chromosomes | 11 | 182 | 560 | 956 |
| 951 | environmental remediation | 12 | 181 | 65 | 181 |
| 951 | neuronal plasticity | 6 | 181 | 143 | 196 |
| 953 | Child welfare | 13 | 180 | 479 | 727 |
| 954 | Audiology | 9 | 179 | 561 | 669 |
| 955 | Genetic algorithms | 10 | 177 | 68 | 181 |
| 956 | Phytochemistry | 11 | 176 | 50 | 158 |
| 956 | Phytoremediation | 11 | 176 | 50 | 158 |
| 956 | Bioreactors | 11 | 176 | 50 | 158 |
| 956 | calcification | 5 | 176 | 502 | 551 |
| 956 | Elderly | 7 | 176 | 1005 | 528 |
| 956 | X-rays | 10 | 176 | 341 | 349 |
| 956 | Urban Areas | 13 | 176 | 46 | 89 |
| 963 | population geography | 13 | 175 | 87 | 214 |
| 964 | Thermodynamics | 34 | 174 | 190 | 554 |
| 964 | Astrocytes | 4 | 174 | 513 | 647 |
| 964 | Earthquakes | 15 | 174 | 160 | 224 |
| 964 | Economic planning | 9 | 174 | 204 | 292 |
| 968 | Paleoceanography | 2 | 171 | 281 | 273 |
| 969 | Infection control | 5 | 169 | 634 | 551 |
| 969 | Social behavior | 15 | 169 | 503 | 1070 |
| 971 | Highway Engineering | 9 | 166 | 203 | 197 |
| 971 | natural gas | 6 | 166 | 280 | 288 |
| 973 | Speech | 9 | 165 | 542 | 752 |
| 974 | greenhouse effect | 4 | 164 | 44 | 43 |
| 974 | Flexible electronics | 4 | 164 | 45 | 64 |
| 974 | Carbon dioxide | 4 | 164 | 44 | 43 |
| 974 | Transplantation | 10 | 164 | 906 | 1414 |
| 974 | Cerebral cortex | 15 | 164 | 446 | 1040 |
| 979 | Graph Theory | 35 | 163 | 120 | 311 |
| 979 | anesthesia | 27 | 163 | 72 | 190 |
| 979 | Dementia | 21 | 163 | 670 | 987 |
| 979 | tomography | 12 | 163 | 148 | 241 |
| 979 | Structure-activity relationship | 18 | 163 | 56 | 290 |
| 984 | Dentistry | 14 | 162 | 326 | 391 |
| 985 | Neuropsychiatry | 6 | 161 | 787 | 869 |
| 985 | Ventilation | 12 | 161 | 190 | 381 |
| 987 | Simulation | 8 | 160 | 59 | 125 |
| 987 | theoretical models | 8 | 160 | 59 | 125 |
| 989 | Parallel Processing | 14 | 159 | 16 | 29 |
| 989 | Knowledge management | 22 | 159 | 28 | 89 |
| 991 | Nuclear Engineering | 15 | 158 | 632 | 663 |
| 992 | Child | 17 | 157 | 1304 | 2165 |
| 992 | Small Business | 5 | 157 | 632 | 887 |
| 994 | Semantic web | 15 | 156 | 19 | 92 |
| 994 | Algae | 6 | 156 | 629 | 686 |
| 996 | Genetic markers | 6 | 155 | 118 | 134 |
| 996 | Great Lakes | 3 | 155 | 276 | 196 |
| 998 | Ocean-atmosphere interaction | 21 | 154 | 22 | 26 |
| 999 | Risk | 9 | 153 | 318 | 504 |
| 1000 | Probability | 10 | 152 | 300 | 496 |