| 1 | Physics | 3,074 | 154.1K | 114 | 222 |
| 2 | Chemistry | 2,745 | 113.6K | 110 | 198 |
| 3 | Biology | 462 | 41.9K | 746 | 680 |
| 4 | Condensed Matter | 1,171 | 39.6K | 85 | 113 |
| 5 | Materials | 882 | 38.3K | 186 | 206 |
| 6 | Statistical physics | 817 | 37.8K | 60 | 37 |
| 7 | Biotechnology | 539 | 37.4K | 194 | 140 |
| 8 | Solid State Physics | 1,163 | 35.7K | 95 | 120 |
| 9 | Science | 429 | 33.5K | 793 | 851 |
| 10 | Biochemistry | 691 | 30.3K | 639 | 549 |
| 11 | Molecular Biology | 418 | 29.1K | 665 | 528 |
| 12 | Microbiology | 487 | 28.6K | 393 | 390 |
| 13 | Nanotechnology | 422 | 27.5K | 278 | 229 |
| 14 | Nonlinear Dynamics | 442 | 26.7K | 31 | 13 |
| 15 | Materials Science | 533 | 25.6K | 176 | 165 |
| 16 | Nuclear Physics | 599 | 25.0K | 398 | 344 |
| 17 | Bioengineering | 358 | 24.0K | 138 | 154 |
| 18 | Optics | 589 | 19.4K | 143 | 100 |
| 19 | Natural history | 57 | 18.1K | 946 | 761 |
| 20 | Catalysis | 443 | 18.1K | 156 | 196 |
| 21 | Polymers | 605 | 16.6K | 163 | 209 |
| 22 | Electronics | 203 | 16.1K | 296 | 48 |
| 23 | Chemical Engineering | 782 | 16.1K | 88 | 243 |
| 24 | Molecules | 155 | 15.9K | 65 | 9 |
| 25 | Research | 172 | 15.8K | 1393 | 579 |
| 26 | Mathematics | 1,483 | 15.3K | 69 | 131 |
| 27 | Technology | 359 | 14.0K | 123 | 76 |
| 28 | miniaturization | 112 | 13.7K | 160 | 87 |
| 29 | Microelectronics | 135 | 13.5K | 130 | 80 |
| 30 | Engineering Mathematics | 173 | 10.6K | 87 | 12 |
| 31 | Cytology | 91 | 9.7K | 978 | 736 |
| 32 | Cell death | 36 | 9.7K | 271 | 93 |
| 33 | polymerization | 385 | 9.5K | 201 | 268 |
| 34 | Biomedical Engineering | 268 | 9.4K | 238 | 249 |
| 35 | Ecology | 129 | 9.2K | 1039 | 838 |
| 36 | Photonics | 104 | 9.0K | 141 | 92 |
| 37 | Water | 159 | 8.9K | 148 | 177 |
| 38 | Cell differentiation | 23 | 8.7K | 776 | 213 |
| 39 | Astrophysics | 361 | 8.5K | 450 | 772 |
| 40 | Metallurgy | 268 | 8.5K | 119 | 142 |
| 41 | Hydrology | 158 | 7.9K | 167 | 127 |
| 42 | Environment | 119 | 7.8K | 725 | 781 |
| 43 | Industrial Microbiology | 138 | 7.8K | 56 | 41 |
| 44 | Molecular structure | 74 | 7.8K | 280 | 98 |
| 45 | Automation | 120 | 7.8K | 100 | 64 |
| 46 | Colloids | 268 | 7.6K | 214 | 314 |
| 47 | Combustion | 172 | 7.3K | 60 | 55 |
| 48 | Environmental Policy | 56 | 7.1K | 596 | 235 |
| 49 | Medical Laboratory Science | 125 | 6.8K | 79 | 57 |
| 50 | Metals | 175 | 6.8K | 182 | 165 |
| 51 | Cell Biology | 52 | 6.5K | 1322 | 955 |
| 52 | Microbial Ecology | 85 | 6.3K | 305 | 298 |
| 53 | Virology | 83 | 6.3K | 649 | 762 |
| 54 | Manufacturing Processes | 437 | 6.2K | 23 | 74 |
| 55 | Composite Materials | 180 | 6.2K | 183 | 233 |
| 56 | Geophysics | 210 | 6.1K | 478 | 553 |
| 57 | Solid State Chemistry | 323 | 6.0K | 40 | 82 |
| 58 | Biochemical Engineering | 103 | 6.0K | 386 | 521 |
| 59 | Biophysics | 182 | 5.9K | 846 | 812 |
| 60 | nanoscience | 92 | 5.9K | 426 | 359 |
| 61 | Artificial Intelligence | 121 | 5.9K | 377 | 224 |
| 62 | Computer Graphics | 185 | 5.8K | 54 | 72 |
| 63 | Optical materials | 104 | 5.8K | 302 | 250 |
| 64 | Production Engineering | 454 | 5.7K | 12 | 30 |
| 65 | Soft Condensed Matter | 175 | 5.5K | 18 | 24 |
| 66 | Physical Chemistry | 260 | 5.4K | 52 | 188 |
| 67 | Mathematical Physics | 283 | 5.4K | 127 | 257 |
| 68 | Electrochemistry | 203 | 5.4K | 391 | 373 |
| 69 | Engineering | 438 | 5.4K | 64 | 167 |
| 70 | Cheminformatics | 8 | 5.3K | 140 | 11 |
| 71 | Light | 34 | 5.2K | 179 | 100 |
| 72 | water supply | 119 | 5.1K | 55 | 81 |
| 73 | Product Design | 366 | 4.8K | 2 | 3 |
| 74 | Solar Energy | 65 | 4.6K | 121 | 54 |
| 75 | mass transfer | 167 | 4.6K | 54 | 86 |
| 76 | Fracture mechanics | 107 | 4.6K | 91 | 51 |
| 77 | biopolymers | 132 | 4.3K | 32 | 40 |
| 78 | Astronomy | 154 | 4.3K | 648 | 828 |
| 79 | Numerical Analysis | 156 | 4.3K | 81 | 73 |
| 80 | Biocompatible Materials | 114 | 4.3K | 594 | 755 |
| 81 | Medicine | 146 | 4.1K | 2074 | 2597 |
| 82 | Cybernetics | 221 | 4.1K | 10 | 48 |
| 83 | solar cells | 63 | 3.9K | 45 | 29 |
| 84 | Surface Chemistry | 168 | 3.6K | 384 | 596 |
| 85 | Renewable Energy Sources | 74 | 3.6K | 255 | 417 |
| 86 | Membranes | 51 | 3.6K | 349 | 253 |
| 87 | Control Theory | 108 | 3.5K | 138 | 102 |
| 88 | System analysis | 113 | 3.5K | 141 | 120 |
| 89 | Climatology | 22 | 3.4K | 725 | 304 |
| 90 | Pollution | 83 | 3.4K | 1119 | 1289 |
| 91 | Energy Policy | 82 | 3.4K | 261 | 342 |
| 92 | Fluid Dynamics | 139 | 3.4K | 34 | 49 |
| 93 | Industrial Engineering | 143 | 3.3K | 72 | 109 |
| 94 | Dynamics | 138 | 3.2K | 47 | 42 |
| 95 | Organometallic chemistry | 128 | 3.2K | 56 | 38 |
| 95 | Zeolites | 62 | 3.2K | 48 | 33 |
| 97 | energy conservation | 53 | 3.1K | 239 | 212 |
| 98 | Organic Chemistry | 100 | 3.1K | 490 | 483 |
| 99 | Water pollution | 75 | 3.0K | 388 | 444 |
| 100 | Bacteriology | 34 | 3.0K | 591 | 426 |
| 101 | Spectrum analysis | 84 | 2.9K | 1023 | 1085 |
| 102 | Nanostructured Materials | 112 | 2.9K | 454 | 600 |
| 103 | Earth Sciences | 86 | 2.9K | 509 | 550 |
| 104 | Hydraulic Engineering | 76 | 2.9K | 75 | 50 |
| 105 | Pharmaceutical Technology | 33 | 2.9K | 343 | 112 |
| 105 | catalytic activity | 33 | 2.9K | 90 | 30 |
| 107 | Hydrodynamics | 69 | 2.8K | 26 | 27 |
| 108 | Nuclear Fusion | 104 | 2.8K | 90 | 68 |
| 109 | Immunology | 39 | 2.8K | 1483 | 1203 |
| 110 | Bioinorganic chemistry | 114 | 2.8K | 60 | 76 |
| 111 | enzymes | 57 | 2.7K | 165 | 135 |
| 112 | Mechanical Engineering | 117 | 2.7K | 194 | 138 |
| 113 | Plastics | 101 | 2.7K | 84 | 73 |
| 114 | Natural resources | 66 | 2.7K | 36 | 43 |
| 115 | coal | 67 | 2.7K | 167 | 174 |
| 116 | Magnetic Resonance Spectroscopy | 93 | 2.7K | 90 | 91 |
| 117 | bioclimatology | 11 | 2.7K | 384 | 23 |
| 118 | Electrical Engineering | 289 | 2.5K | 183 | 167 |
| 119 | Linguistics | 69 | 2.5K | 194 | 120 |
| 119 | Climate | 8 | 2.5K | 341 | 35 |
| 119 | weather | 8 | 2.5K | 302 | 11 |
| 122 | Heat Exchangers | 52 | 2.5K | 113 | 87 |
| 123 | concrete | 43 | 2.5K | 158 | 158 |
| 124 | Ceramic materials | 80 | 2.5K | 93 | 85 |
| 125 | Bioorganic chemistry | 46 | 2.5K | 740 | 498 |
| 126 | Structural dynamics | 61 | 2.5K | 113 | 124 |
| 127 | Mechanics | 91 | 2.4K | 56 | 69 |
| 128 | Geology | 92 | 2.4K | 649 | 655 |
| 129 | nuclear magnetic resonance | 72 | 2.4K | 130 | 112 |
| 130 | Neurology | 45 | 2.3K | 2054 | 1874 |
| 131 | Environmental Health | 40 | 2.3K | 1742 | 1395 |
| 132 | Pharmaceutical Chemistry | 69 | 2.3K | 914 | 957 |
| 133 | vibration | 63 | 2.3K | 117 | 105 |
| 134 | cell physiology | 33 | 2.2K | 437 | 374 |
| 135 | nucleic acids | 30 | 2.2K | 611 | 639 |
| 136 | Risk Management | 14 | 2.2K | 250 | 33 |
| 137 | Geodesy | 114 | 2.2K | 16 | 25 |
| 138 | Semantics | 9 | 2.2K | 83 | 1 |
| 139 | Environmental Engineering | 44 | 2.2K | 927 | 828 |
| 139 | Computational Biology | 68 | 2.2K | 419 | 615 |
| 141 | Wind power | 67 | 2.2K | 8 | 9 |
| 142 | Chemical industry | 454 | 2.2K | 17 | 49 |
| 143 | Computer-Aided Design | 68 | 2.1K | 71 | 75 |
| 144 | proteins | 48 | 2.1K | 446 | 363 |
| 145 | Analytical Chemistry | 90 | 2.1K | 899 | 1087 |
| 146 | Fluid Mechanics | 77 | 2.1K | 230 | 210 |
| 147 | Greenhouse gases | 19 | 2.1K | 79 | 28 |
| 148 | Ceramics | 60 | 2.1K | 210 | 183 |
| 149 | Cancer | 39 | 2.1K | 1399 | 1283 |
| 150 | Rheology | 59 | 2.0K | 51 | 42 |
| 151 | Geochemistry | 61 | 2.0K | 497 | 565 |
| 152 | Organometallic compounds | 82 | 2.0K | 70 | 117 |
| 153 | solar power | 31 | 2.0K | 105 | 63 |
| 154 | Glass | 44 | 2.0K | 212 | 175 |
| 154 | pottery | 44 | 2.0K | 203 | 171 |
| 156 | protein | 42 | 2.0K | 230 | 228 |
| 157 | Nanostructures | 36 | 1.9K | 475 | 419 |
| 158 | visualization | 86 | 1.9K | 103 | 34 |
| 159 | Risk | 11 | 1.9K | 260 | 45 |
| 160 | Probability | 8 | 1.9K | 371 | 40 |
| 161 | Financial management | 6 | 1.9K | 354 | 40 |
| 162 | Solar power plants | 32 | 1.9K | 15 | 14 |
| 162 | Photovoltaic Cells | 32 | 1.9K | 15 | 14 |
| 164 | energy resources | 33 | 1.9K | 267 | 332 |
| 165 | Environmental monitoring | 32 | 1.9K | 1249 | 970 |
| 166 | environmental pollution | 52 | 1.9K | 1150 | 1276 |
| 167 | Statistical Mechanics | 42 | 1.8K | 194 | 77 |
| 168 | Product life cycle | 26 | 1.8K | 27 | 30 |
| 168 | green products | 26 | 1.8K | 25 | 30 |
| 170 | Neurophysiology | 33 | 1.8K | 1162 | 1102 |
| 171 | Quantum Optics | 88 | 1.8K | 33 | 64 |
| 172 | software | 31 | 1.8K | 89 | 43 |
| 173 | Botany | 40 | 1.7K | 1436 | 1295 |
| 174 | Structural Engineering | 68 | 1.7K | 236 | 214 |
| 175 | Building Materials | 35 | 1.7K | 378 | 350 |
| 176 | Process Control | 31 | 1.7K | 118 | 152 |
| 176 | Europe | 81 | 1.7K | 527 | 519 |
| 178 | Earthquake Engineering | 57 | 1.7K | 212 | 222 |
| 179 | Cement | 13 | 1.7K | 245 | 141 |
| 180 | management | 83 | 1.7K | 532 | 881 |
| 181 | Database Management | 43 | 1.7K | 128 | 127 |
| 182 | Porous materials | 73 | 1.6K | 17 | 23 |
| 183 | Genetic engineering | 29 | 1.6K | 645 | 540 |
| 184 | Algebra | 167 | 1.6K | 39 | 57 |
| 185 | lasers | 78 | 1.6K | 153 | 120 |
| 186 | Ocean Engineering | 55 | 1.6K | 284 | 283 |
| 187 | fuel cells | 45 | 1.6K | 199 | 360 |
| 188 | machinery | 21 | 1.6K | 163 | 35 |
| 189 | environmental protection | 41 | 1.6K | 810 | 827 |
| 190 | Energy Conversion | 28 | 1.6K | 347 | 479 |
| 191 | Engineering Geology | 24 | 1.5K | 443 | 267 |
| 192 | mathematical analysis | 134 | 1.5K | 201 | 293 |
| 193 | Genomics | 31 | 1.5K | 1183 | 961 |
| 194 | Biomass Energy | 36 | 1.5K | 633 | 720 |
| 195 | Ultrasonics | 24 | 1.5K | 230 | 121 |
| 196 | Semiconductors | 116 | 1.5K | 122 | 211 |
| 197 | Metabolism | 24 | 1.5K | 1388 | 1214 |
| 198 | Computational Fluid Dynamics | 39 | 1.5K | 45 | 25 |
| 199 | Groundwater | 40 | 1.4K | 94 | 68 |
| 200 | Ultrasonic Imaging | 21 | 1.4K | 100 | 20 |
| 201 | Photogrammetry | 136 | 1.4K | 25 | 15 |
| 202 | Ultrasound | 15 | 1.4K | 189 | 44 |
| 203 | optical devices | 19 | 1.4K | 84 | 9 |
| 204 | Planets | 31 | 1.4K | 652 | 667 |
| 205 | Environmental Management | 23 | 1.3K | 1041 | 855 |
| 206 | Remote Sensing | 154 | 1.3K | 38 | 101 |
| 207 | Liquid Crystals | 81 | 1.3K | 77 | 45 |
| 208 | Human-Computer Interaction | 45 | 1.3K | 150 | 148 |
| 209 | Zoology | 29 | 1.3K | 971 | 536 |
| 210 | Enzyme | 13 | 1.3K | 146 | 46 |
| 211 | actuators | 50 | 1.2K | 372 | 577 |
| 211 | transducers | 50 | 1.2K | 372 | 577 |
| 213 | Operations Research | 13 | 1.2K | 1246 | 547 |
| 214 | monoclonal antibodies | 2 | 1.2K | 344 | 2 |
| 215 | Computer Science | 73 | 1.2K | 174 | 180 |
| 216 | energy development | 31 | 1.2K | 80 | 252 |
| 217 | Biomechanics | 35 | 1.2K | 315 | 331 |
| 218 | Drug delivery systems | 6 | 1.2K | 1249 | 413 |
| 219 | Bioinformatics | 40 | 1.2K | 486 | 717 |
| 220 | Software Engineering | 48 | 1.2K | 100 | 80 |
| 221 | plasticity | 9 | 1.2K | 167 | 82 |
| 222 | Petrology | 37 | 1.2K | 271 | 338 |
| 223 | Psychophysiology | 28 | 1.2K | 1217 | 1195 |
| 224 | Structural optimization | 17 | 1.2K | 91 | 51 |
| 225 | Water quality management | 43 | 1.2K | 266 | 252 |
| 226 | Thermodynamics | 54 | 1.2K | 105 | 81 |
| 227 | Mineralogy | 42 | 1.1K | 354 | 398 |
| 228 | extraterrestrial environment | 91 | 1.1K | 33 | 45 |
| 229 | Computational Chemistry | 22 | 1.1K | 134 | 165 |
| 230 | Histology | 29 | 1.1K | 593 | 565 |
| 231 | Psychology | 34 | 1.1K | 1751 | 1594 |
| 232 | Robotics | 50 | 1.1K | 243 | 308 |
| 233 | computer networks | 42 | 1.1K | 439 | 403 |
| 233 | Memory | 23 | 1.1K | 821 | 646 |
| 235 | Environmental Chemistry | 15 | 1.1K | 996 | 803 |
| 236 | astronomical phenomena | 89 | 1.1K | 32 | 46 |
| 237 | Differential Equations | 42 | 1.1K | 131 | 116 |
| 238 | Nondestructive testing | 36 | 1.1K | 72 | 57 |
| 239 | Geomorphology | 18 | 1.1K | 553 | 405 |
| 240 | Visual Perception | 34 | 1.1K | 530 | 543 |
| 241 | Quantum theory | 47 | 1.1K | 108 | 132 |
| 242 | Biosensors | 21 | 1.1K | 385 | 457 |
| 243 | Energy Storage | 30 | 1.0K | 272 | 305 |
| 244 | Physiology | 54 | 1.0K | 1258 | 1817 |
| 244 | Soil Mechanics | 22 | 1.0K | 397 | 318 |
| 246 | particles | 43 | 1.0K | 81 | 84 |
| 247 | Nuclear Engineering | 76 | 1.0K | 218 | 191 |
| 248 | Chemical processes | 62 | 1.0K | 23 | 52 |
| 249 | Green Chemistry | 27 | 1.0K | 543 | 709 |
| 250 | fusion reactors | 52 | 987 | 88 | 62 |
| 251 | Systems Biology | 42 | 979 | 252 | 336 |
| 252 | plasma spraying | 15 | 978 | 68 | 32 |
| 253 | Biomass | 18 | 964 | 131 | 132 |
| 254 | Genetics | 16 | 962 | 2385 | 2229 |
| 255 | Sustainable Development | 28 | 937 | 449 | 578 |
| 256 | sanitation | 10 | 936 | 1005 | 847 |
| 257 | Nanoparticles | 18 | 916 | 769 | 586 |
| 258 | Social Change | 12 | 907 | 390 | 270 |
| 259 | nuclear magnetic resonance spectroscopy | 28 | 904 | 150 | 122 |
| 260 | analysis | 24 | 900 | 70 | 87 |
| 261 | Waste management | 39 | 886 | 183 | 198 |
| 262 | Neuropsychology | 25 | 881 | 923 | 872 |
| 263 | Recycling | 7 | 873 | 334 | 202 |
| 264 | Brain | 25 | 866 | 1218 | 1277 |
| 265 | Toxicology | 17 | 859 | 2749 | 2118 |
| 266 | Pharmacology | 25 | 854 | 2667 | 2596 |
| 267 | Oxidative stress | 6 | 853 | 912 | 372 |
| 268 | Oncogenes | 10 | 846 | 832 | 778 |
| 269 | Information Theory | 34 | 842 | 213 | 250 |
| 269 | Plant cells | 13 | 842 | 664 | 815 |
| 271 | Systems Engineering | 40 | 839 | 381 | 390 |
| 272 | Microbial Biotechnology | 14 | 828 | 282 | 133 |
| 273 | infrared radiation | 44 | 823 | 40 | 34 |
| 274 | Neurobiology | 9 | 811 | 1385 | 1045 |
| 275 | natural disasters | 24 | 808 | 268 | 300 |
| 276 | Quantum Chemistry | 18 | 807 | 295 | 111 |
| 277 | Rock Mechanics | 18 | 800 | 332 | 261 |
| 278 | Geodynamics | 29 | 794 | 233 | 310 |
| 279 | infrared technology | 34 | 791 | 22 | 8 |
| 280 | Analytical Biochemistry | 19 | 789 | 625 | 542 |
| 281 | Economics | 29 | 777 | 1765 | 1393 |
| 282 | Nonlinear systems | 27 | 776 | 94 | 88 |
| 283 | Bioelectronics | 13 | 767 | 486 | 525 |
| 284 | Water Purification | 34 | 762 | 158 | 186 |
| 284 | Granular materials | 32 | 762 | 44 | 56 |
| 286 | Cognition | 9 | 761 | 1151 | 695 |
| 287 | Mobile Computing | 25 | 759 | 202 | 140 |
| 288 | Fractals | 40 | 755 | 141 | 198 |
| 289 | Crystallography | 73 | 753 | 216 | 316 |
| 290 | Cellular senescence | 2 | 750 | 1148 | 191 |
| 291 | cytokines | 7 | 747 | 1002 | 425 |
| 291 | Cytokine | 7 | 747 | 232 | 120 |
| 293 | biological evolution | 18 | 745 | 969 | 1176 |
| 294 | gene mapping | 13 | 726 | 1147 | 1047 |
| 295 | Energy Harvesting | 10 | 719 | 228 | 262 |
| 296 | Behavior | 18 | 713 | 1583 | 1711 |
| 297 | Luminescence | 63 | 695 | 82 | 195 |
| 298 | Growth factors | 4 | 690 | 244 | 117 |
| 299 | Evolution | 16 | 686 | 948 | 1012 |
| 300 | Sustainable Engineering | 21 | 673 | 537 | 661 |
| 300 | Microscopy | 31 | 673 | 383 | 387 |
| 302 | Business | 12 | 672 | 1223 | 955 |
| 303 | radioactive waste | 11 | 667 | 301 | 329 |
| 303 | industrial waste | 11 | 667 | 324 | 329 |
| 303 | Hazardous waste | 11 | 667 | 379 | 355 |
| 306 | innovation | 18 | 665 | 114 | 316 |
| 307 | Signal Transduction | 9 | 660 | 951 | 763 |
| 307 | hazard mitigation | 12 | 660 | 336 | 209 |
| 309 | Smart Materials | 26 | 655 | 173 | 220 |
| 310 | Meteorites | 25 | 654 | 406 | 609 |
| 311 | Magnetic Materials | 33 | 651 | 350 | 506 |
| 312 | molecular design | 16 | 648 | 63 | 60 |
| 313 | Systems Theory | 209 | 647 | 1 | 23 |
| 314 | Protein engineering | 15 | 646 | 56 | 60 |
| 315 | Learning | 10 | 644 | 803 | 539 |
| 316 | Continuum Mechanics | 14 | 643 | 33 | 20 |
| 317 | Molecular cloning | 10 | 640 | 901 | 498 |
| 317 | Genetic recombination | 10 | 640 | 877 | 489 |
| 317 | Recombinant DNA | 10 | 640 | 969 | 537 |
| 320 | Environmental Law | 4 | 635 | 1197 | 672 |
| 321 | Atmospheric Chemistry | 14 | 623 | 549 | 603 |
| 322 | Bioenergetics | 22 | 615 | 251 | 349 |
| 323 | Social Sciences | 29 | 609 | 1196 | 937 |
| 323 | Photochemistry | 28 | 609 | 447 | 612 |
| 325 | cell interaction | 7 | 604 | 884 | 461 |
| 326 | Solitons | 36 | 603 | 116 | 227 |
| 326 | Chaos | 36 | 603 | 116 | 227 |
| 328 | Soil biology | 4 | 602 | 935 | 558 |
| 329 | Turbulence | 24 | 598 | 26 | 24 |
| 330 | Information Science | 71 | 596 | 264 | 939 |
| 331 | Drug design | 2 | 594 | 2651 | 671 |
| 332 | Multiphase Flow | 19 | 587 | 81 | 107 |
| 333 | Industrial Safety | 8 | 585 | 730 | 285 |
| 334 | Data Mining | 6 | 577 | 1317 | 698 |
| 335 | Petroleum Engineering | 7 | 574 | 523 | 221 |
| 336 | Neurochemistry | 27 | 569 | 1003 | 1402 |
| 337 | Metallography | 32 | 568 | 125 | 194 |
| 338 | Regional Planning | 31 | 566 | 426 | 542 |
| 339 | viruses | 10 | 563 | 1058 | 1031 |
| 340 | Environmental pollutants | 20 | 556 | 866 | 1064 |
| 341 | data collection | 3 | 555 | 1399 | 504 |
| 342 | marketing | 10 | 554 | 1146 | 848 |
| 343 | Plant physiology | 19 | 553 | 993 | 1258 |
| 344 | Cerebral cortex | 8 | 549 | 690 | 569 |
| 345 | Microbial Metabolism | 11 | 543 | 30 | 22 |
| 346 | soil microbiology | 4 | 542 | 1515 | 964 |
| 347 | Agricultural Chemistry | 16 | 541 | 1177 | 1105 |
| 347 | Algorithms | 3 | 541 | 844 | 126 |
| 349 | Catalysts | 16 | 538 | 192 | 161 |
| 350 | Medical innovations | 10 | 537 | 583 | 929 |
| 350 | biomimicry | 10 | 537 | 37 | 31 |
| 352 | Atmospheric Physics | 11 | 531 | 1046 | 885 |
| 352 | Energy metabolism | 18 | 531 | 256 | 330 |
| 352 | Simulation Methods | 15 | 531 | 268 | 130 |
| 355 | Developmental Biology | 13 | 525 | 1226 | 1445 |
| 356 | Entropy | 20 | 524 | 217 | 135 |
| 357 | Immunotherapy | 13 | 523 | 1066 | 1250 |
| 358 | Political Science | 30 | 521 | 582 | 548 |
| 359 | Sociology | 38 | 519 | 782 | 1238 |
| 360 | Perception | 14 | 517 | 1134 | 1020 |
| 361 | animals | 11 | 513 | 692 | 324 |
| 362 | Animal | 10 | 511 | 45 | 10 |
| 363 | commerce | 10 | 510 | 906 | 622 |
| 364 | Aerosols | 30 | 506 | 134 | 209 |
| 365 | cell membrane | 17 | 505 | 255 | 312 |
| 366 | Microorganisms | 5 | 502 | 1120 | 796 |
| 367 | Chromosome mapping | 10 | 498 | 1239 | 1116 |
| 368 | Clinical Chemistry | 16 | 496 | 1671 | 1808 |
| 368 | United States | 21 | 496 | 2476 | 2431 |
| 370 | Molecular Genetics | 12 | 494 | 1281 | 1229 |
| 371 | Molecular Microbiology | 8 | 490 | 621 | 682 |
| 372 | Particle Physics | 10 | 489 | 459 | 201 |
| 373 | Insect biochemistry | 5 | 488 | 360 | 190 |
| 374 | Quantum Communication | 18 | 484 | 25 | 71 |
| 375 | pollutants | 7 | 483 | 1480 | 986 |
| 376 | Databases | 33 | 481 | 76 | 137 |
| 377 | Nonlinear functional analysis | 20 | 479 | 362 | 309 |
| 378 | Statistics | 37 | 476 | 870 | 1122 |
| 379 | Elementary particles | 5 | 475 | 125 | 110 |
| 380 | Insects | 4 | 474 | 1581 | 541 |
| 381 | Attention | 13 | 470 | 1092 | 993 |
| 382 | Liver diseases | 4 | 469 | 1700 | 1237 |
| 383 | Plasma chemistry | 19 | 464 | 73 | 90 |
| 383 | diffusion | 51 | 464 | 11 | 6 |
| 383 | Germany | 56 | 464 | 56 | 43 |
| 386 | Atomic spectroscopy | 27 | 460 | 295 | 406 |
| 387 | Plasma polymerization | 16 | 457 | 53 | 58 |
| 388 | Molecular evolution | 7 | 455 | 1376 | 993 |
| 388 | Intelligent Control Systems | 20 | 455 | 240 | 152 |
| 390 | Nuclear Energy | 29 | 452 | 338 | 336 |
| 391 | Geometry | 77 | 450 | 93 | 206 |
| 392 | Energy Consumption | 5 | 449 | 124 | 30 |
| 393 | Alloys | 49 | 446 | 14 | 28 |
| 394 | exobiology | 2 | 444 | 516 | 176 |
| 395 | Nervous system | 15 | 443 | 1401 | 1797 |
| 396 | Meteorology | 14 | 439 | 1332 | 1629 |
| 397 | Metallic Glasses | 14 | 434 | 160 | 160 |
| 398 | Public Health | 22 | 433 | 2852 | 3601 |
| 398 | Structural design | 16 | 433 | 241 | 274 |
| 400 | Planetary Science | 22 | 432 | 171 | 181 |
| 401 | Measurement | 29 | 431 | 235 | 385 |
| 402 | emergency management | 13 | 429 | 288 | 234 |
| 402 | Diet | 8 | 429 | 1714 | 1509 |
| 404 | Animal Behavior | 11 | 422 | 1183 | 1310 |
| 405 | Aquaculture | 4 | 420 | 1526 | 686 |
| 406 | aerosol | 26 | 419 | 76 | 145 |
| 407 | impact | 6 | 416 | 238 | 156 |
| 408 | Finite Element Method | 7 | 413 | 131 | 42 |
| 409 | Wireless Communication Systems | 26 | 412 | 624 | 674 |
| 410 | Psychopharmacology | 15 | 411 | 942 | 1184 |
| 411 | Diabetes | 4 | 410 | 2559 | 1803 |
| 412 | Diagnostic microbiology | 4 | 397 | 1524 | 1273 |
| 412 | plant communities | 5 | 397 | 993 | 769 |
| 414 | Comparative Physiology | 23 | 395 | 260 | 404 |
| 414 | Food | 48 | 395 | 684 | 1878 |
| 414 | Nonlinear mechanics | 7 | 395 | 227 | 93 |
| 417 | Oceanography | 13 | 391 | 1138 | 1128 |
| 417 | Rock deformation | 12 | 391 | 49 | 56 |
| 419 | Nutrition | 32 | 390 | 1684 | 2965 |
| 420 | Microcirculation | 2 | 389 | 760 | 161 |
| 420 | Blood vessels | 2 | 389 | 614 | 111 |
| 422 | Organizational change | 9 | 388 | 350 | 248 |
| 422 | Physical fitness | 7 | 388 | 800 | 520 |
| 424 | Structural biology | 5 | 384 | 25 | 11 |
| 425 | Japan | 12 | 380 | 1193 | 657 |
| 426 | Mechatronics | 26 | 376 | 109 | 168 |
| 426 | Biopharmaceutics | 4 | 376 | 1301 | 602 |
| 426 | gene therapy | 4 | 376 | 1299 | 869 |
| 429 | Lipids | 11 | 375 | 768 | 927 |
| 430 | Bifurcation Theory | 23 | 374 | 112 | 164 |
| 430 | soil conservation | 13 | 374 | 265 | 303 |
| 432 | elasticity | 11 | 369 | 80 | 49 |
| 432 | NMR | 23 | 369 | 70 | 96 |
| 434 | Education | 22 | 368 | 1664 | 1495 |
| 434 | soil pollution | 12 | 368 | 144 | 134 |
| 436 | Environmental Microbiology | 10 | 367 | 822 | 1060 |
| 437 | Neural circuitry | 15 | 365 | 846 | 1045 |
| 437 | Yeast | 7 | 365 | 273 | 225 |
| 439 | Marine Biology | 12 | 364 | 1630 | 1617 |
| 440 | Radiation | 20 | 360 | 919 | 1024 |
| 441 | Tunneling | 4 | 358 | 293 | 174 |
| 441 | underground construction | 4 | 358 | 293 | 174 |
| 443 | rivers | 7 | 356 | 170 | 100 |
| 444 | Electrochemical Analysis | 10 | 355 | 934 | 737 |
| 444 | Laser Spectroscopy | 20 | 355 | 238 | 314 |
| 446 | Microwaves | 18 | 348 | 457 | 247 |
| 447 | Geriatrics | 11 | 347 | 2098 | 1823 |
| 448 | Periglacial processes | 1 | 346 | 283 | 60 |
| 448 | Permafrost | 1 | 346 | 283 | 60 |
| 448 | Frozen ground | 1 | 346 | 287 | 60 |
| 451 | Flexible manufacturing systems | 22 | 343 | 29 | 103 |
| 452 | Molecular Spectroscopy | 16 | 342 | 777 | 853 |
| 453 | structural stability | 5 | 340 | 371 | 182 |
| 454 | magnetic resonance | 22 | 339 | 71 | 111 |
| 455 | food technology | 11 | 336 | 1562 | 1627 |
| 456 | Computer Vision | 15 | 335 | 473 | 795 |
| 457 | Microstructure | 24 | 334 | 120 | 150 |
| 458 | Tribology | 24 | 333 | 333 | 535 |
| 459 | Philosophy | 30 | 332 | 583 | 398 |
| 459 | Optical Communications | 11 | 332 | 263 | 183 |
| 461 | Paleoclimatology | 6 | 327 | 908 | 720 |
| 461 | Image Processing | 19 | 327 | 772 | 1165 |
| 461 | Therapeutics | 11 | 327 | 1198 | 1451 |
| 464 | Hydrogeology | 13 | 325 | 279 | 260 |
| 465 | Plants | 8 | 324 | 1553 | 1527 |
| 466 | probabilities | 27 | 322 | 444 | 448 |
| 467 | Transportation | 20 | 319 | 635 | 918 |
| 468 | plant molecular biology | 6 | 310 | 1249 | 1393 |
| 469 | Tissue Engineering | 3 | 309 | 371 | 157 |
| 469 | Eigenvalues | 66 | 309 | 3 | 7 |
| 471 | Crystal growth | 16 | 307 | 392 | 529 |
| 471 | Carbon | 9 | 307 | 880 | 1082 |
| 473 | Mental Health | 3 | 304 | 2101 | 838 |
| 473 | Phylogeny | 5 | 304 | 785 | 686 |
| 475 | Systems Analysis | 13 | 303 | 458 | 431 |
| 476 | Nanophotonics | 12 | 302 | 92 | 161 |
| 477 | Applied Linguistics | 9 | 300 | 280 | 180 |
| 478 | Civil Engineering | 53 | 299 | 215 | 413 |
| 478 | Signal Processing | 28 | 299 | 540 | 927 |
| 478 | global environmental change | 4 | 299 | 885 | 711 |
| 478 | Protozoa | 8 | 299 | 232 | 249 |
| 482 | Serology | 3 | 298 | 655 | 208 |
| 482 | Approximation Theory | 15 | 298 | 127 | 106 |
| 484 | Computational Complexity | 23 | 297 | 186 | 261 |
| 485 | Anatomy | 14 | 294 | 1136 | 1427 |
| 486 | Materials Engineering | 17 | 293 | 148 | 142 |
| 486 | Diagnostic Imaging | 17 | 293 | 968 | 1342 |
| 488 | Emergency Medical Services | 7 | 292 | 576 | 278 |
| 488 | sustainability | 3 | 292 | 919 | 659 |
| 490 | mathematical concepts | 15 | 287 | 82 | 85 |
| 491 | Psycholinguistics | 12 | 286 | 500 | 632 |
| 492 | Physical organic chemistry | 17 | 285 | 576 | 770 |
| 493 | Ecological Engineering | 5 | 283 | 538 | 419 |
| 494 | Mining Engineering | 4 | 281 | 535 | 268 |
| 495 | Algae | 8 | 277 | 533 | 510 |
| 496 | research and development | 8 | 274 | 111 | 153 |
| 497 | United Kingdom | 9 | 273 | 1141 | 1329 |
| 498 | Geographic information systems | 17 | 272 | 304 | 377 |
| 498 | Speech | 8 | 272 | 596 | 577 |
| 500 | Plant diseases | 5 | 270 | 1865 | 1190 |
| 501 | supercritical fluids | 10 | 267 | 170 | 221 |
| 502 | Cognitive Science | 12 | 266 | 751 | 1070 |
| 502 | Lightweight concrete | 4 | 266 | 358 | 399 |
| 502 | phase diagrams | 9 | 266 | 85 | 59 |
| 505 | Pesticides | 3 | 261 | 793 | 275 |
| 506 | Audiology | 18 | 256 | 335 | 540 |
| 506 | Aging | 8 | 256 | 2374 | 2094 |
| 508 | Geomagnetism | 5 | 255 | 627 | 408 |
| 509 | Hypertension | 1 | 254 | 3111 | 1866 |
| 509 | Cardiovascular system | 1 | 254 | 3011 | 1959 |
| 511 | Functional Analysis | 13 | 253 | 683 | 603 |
| 512 | Seismology | 8 | 252 | 362 | 305 |
| 513 | Immunity | 6 | 250 | 1817 | 2357 |
| 514 | nuclear power | 12 | 248 | 253 | 165 |
| 514 | Radio | 30 | 248 | 162 | 326 |
| 516 | Obesity | 6 | 247 | 1902 | 1912 |
| 517 | Environmental Economics | 7 | 246 | 214 | 188 |
| 518 | Exercise | 14 | 245 | 619 | 729 |
| 519 | Epidemiology | 8 | 243 | 3204 | 3114 |
| 520 | Asia | 6 | 242 | 2412 | 1222 |
| 521 | genome | 13 | 240 | 878 | 1834 |
| 522 | environmental indicators | 7 | 239 | 780 | 924 |
| 523 | brain mapping | 1 | 238 | 1273 | 671 |
| 524 | Plant Ecology | 7 | 237 | 1401 | 1539 |
| 525 | Latin America | 13 | 235 | 766 | 360 |
| 525 | Antarctica | 13 | 235 | 215 | 192 |
| 527 | Proteomics | 5 | 234 | 1115 | 1026 |
| 527 | Multimedia Systems | 11 | 234 | 853 | 681 |
| 529 | Biometrics | 10 | 233 | 705 | 741 |
| 529 | Communication | 23 | 233 | 705 | 1078 |
| 531 | Pharmacogenetics | 7 | 232 | 861 | 967 |
| 531 | Genetic therapy | 7 | 232 | 1064 | 1229 |
| 533 | Quantum Gravity | 12 | 231 | 1423 | 1533 |
| 533 | Pest control | 2 | 231 | 232 | 27 |
| 533 | Social behavior | 9 | 231 | 726 | 877 |
| 536 | Technological Innovations | 13 | 229 | 346 | 583 |
| 537 | DNA polymerases | 3 | 228 | 558 | 769 |
| 538 | Mesoporous materials | 5 | 226 | 64 | 63 |
| 539 | Crystallization | 13 | 224 | 201 | 197 |
| 540 | Environmental Geology | 11 | 223 | 821 | 1098 |
| 540 | Bacterial infections | 5 | 223 | 865 | 1014 |
| 542 | Archaeology | 4 | 221 | 1414 | 773 |
| 543 | Psychiatry | 11 | 220 | 3155 | 3845 |
| 543 | Superconductors | 13 | 220 | 322 | 338 |
| 545 | city planning | 17 | 219 | 653 | 961 |
| 546 | Paleoecology | 5 | 214 | 955 | 838 |
| 546 | Paleogeography | 5 | 214 | 832 | 761 |
| 546 | Calculus of Variations | 9 | 214 | 276 | 198 |
| 549 | Host-parasite interactions | 4 | 213 | 1395 | 1648 |
| 550 | Sites | 1 | 212 | 1076 | 493 |
| 551 | Psychometrics | 3 | 211 | 493 | 331 |
| 552 | Production Management | 4 | 206 | 1038 | 1059 |
| 553 | Sports | 20 | 205 | 900 | 1289 |
| 554 | Electrophoresis | 10 | 203 | 1077 | 1295 |
| 554 | carbon monoxide | 7 | 203 | 129 | 247 |
| 556 | Logic | 12 | 201 | 189 | 157 |
| 556 | Medical genetics | 2 | 201 | 4104 | 3223 |
| 556 | Quality Control | 24 | 201 | 436 | 1265 |
| 559 | body temperature | 12 | 197 | 126 | 234 |
| 560 | Chromatographic analysis | 6 | 195 | 1633 | 1236 |
| 561 | Structural health monitoring | 3 | 192 | 225 | 132 |
| 562 | Proteome | 5 | 191 | 1168 | 1262 |
| 563 | Embryology | 10 | 190 | 1139 | 1749 |
| 564 | RNA | 1 | 188 | 1082 | 557 |
| 565 | Evolutionary economics | 9 | 186 | 46 | 93 |
| 566 | Information Technology | 25 | 185 | 704 | 1501 |
| 566 | Software Maintenance | 6 | 185 | 78 | 48 |
| 568 | Population Dynamics | 7 | 183 | 82 | 114 |
| 569 | Solar System | 17 | 181 | 425 | 731 |
| 570 | Information Systems | 6 | 180 | 1150 | 1080 |
| 570 | Economic History | 12 | 180 | 2259 | 2069 |
| 570 | Geothermal Energy | 3 | 180 | 282 | 155 |
| 573 | Pediatrics | 1 | 179 | 5114 | 2809 |
| 574 | Computational Intelligence | 1 | 178 | 2051 | 415 |
| 575 | Seaweed | 5 | 177 | 520 | 547 |
| 576 | Ferroelectricity | 21 | 174 | 274 | 401 |
| 576 | Entrepreneurship | 4 | 174 | 974 | 939 |
| 578 | Diabetes mellitus | 2 | 173 | 3293 | 2543 |
| 578 | Chemical analysis | 5 | 173 | 1132 | 982 |
| 580 | Soil Science | 11 | 171 | 1103 | 1664 |
| 580 | Information Retrieval | 2 | 171 | 699 | 366 |
| 580 | Speech Perception | 5 | 171 | 177 | 173 |
| 580 | auditory perception | 5 | 171 | 232 | 222 |
| 580 | Oral communication | 5 | 171 | 327 | 233 |
| 580 | Informatics | 17 | 171 | 237 | 744 |
| 586 | Telecommunication Systems | 14 | 169 | 685 | 948 |
| 587 | Speech-Language Pathology | 6 | 168 | 167 | 137 |
| 587 | X-ray crystallography | 15 | 168 | 247 | 365 |
| 587 | automatic speech recognition | 6 | 168 | 64 | 82 |
| 590 | Surface properties | 7 | 165 | 781 | 1181 |
| 590 | Europa | 8 | 165 | 287 | 368 |
| 592 | economic policy | 8 | 163 | 1851 | 1441 |
| 592 | Photobiology | 8 | 163 | 902 | 1123 |
| 594 | Cognitive neuroscience | 5 | 161 | 876 | 1054 |
| 594 | Chromatography | 5 | 161 | 1567 | 1288 |
| 596 | Nanochemistry | 8 | 157 | 717 | 818 |
| 596 | Medical Physics | 11 | 157 | 1138 | 1493 |
| 596 | human behavior | 14 | 157 | 1271 | 2982 |
| 596 | pigments | 9 | 157 | 441 | 622 |
| 600 | freshwater biology | 5 | 155 | 834 | 778 |
| 601 | Chronobiology | 1 | 153 | 941 | 300 |
| 601 | Circadian rhythms | 1 | 153 | 684 | 274 |
| 601 | biological clocks | 1 | 153 | 941 | 300 |
| 601 | circadian rhythm | 1 | 153 | 941 | 300 |
| 601 | biological rhythms | 1 | 153 | 898 | 295 |
| 606 | Gene expression regulation | 3 | 152 | 1317 | 1122 |
| 606 | Genetic regulation | 3 | 152 | 1549 | 1491 |
| 608 | biomedicine | 5 | 151 | 764 | 719 |
| 608 | World Wide Web | 5 | 151 | 286 | 172 |
| 610 | Sound | 14 | 150 | 308 | 340 |
| 610 | chromatin | 5 | 150 | 78 | 185 |
| 610 | Biodiversity | 9 | 150 | 1573 | 2217 |
| 613 | Algal blooms | 1 | 149 | 609 | 357 |
| 613 | Cyanobacteria | 1 | 149 | 609 | 357 |
| 613 | microalgae | 1 | 149 | 609 | 357 |
| 616 | Nanoelectronics | 26 | 148 | 182 | 479 |
| 617 | Social Psychology | 15 | 147 | 1017 | 1957 |
| 618 | wood | 9 | 146 | 263 | 291 |
| 619 | peptides | 3 | 145 | 1148 | 589 |
| 619 | amino acids | 3 | 145 | 709 | 577 |
| 621 | Population | 6 | 143 | 832 | 876 |
| 622 | Developmental Disabilities | 6 | 142 | 813 | 1107 |
| 623 | Sports Medicine | 9 | 141 | 1911 | 2058 |
| 624 | Animal ecology | 3 | 139 | 1410 | 1102 |
| 624 | Documentation | 1 | 139 | 786 | 246 |
| 626 | Regional Development | 2 | 138 | 372 | 223 |
| 626 | Development planning | 2 | 138 | 324 | 203 |
| 626 | Economic planning | 2 | 138 | 709 | 357 |
| 629 | Fermentation | 2 | 137 | 416 | 186 |
| 630 | Intellectual Property | 3 | 136 | 211 | 26 |
| 630 | patents | 3 | 136 | 138 | 49 |
| 632 | Sedimentary rocks | 4 | 135 | 603 | 568 |
| 632 | Semiconductor industry | 22 | 135 | 162 | 396 |
| 634 | Optoelectronic devices | 10 | 134 | 395 | 363 |
| 635 | Pharmacy | 2 | 132 | 3269 | 2151 |
| 635 | Strategic planning | 5 | 132 | 603 | 653 |
| 637 | Endocrinology | 3 | 131 | 3985 | 3717 |
| 637 | Number Theory | 12 | 131 | 408 | 299 |
| 639 | Operator theory | 3 | 130 | 472 | 100 |
| 640 | Urban Planning | 14 | 126 | 110 | 359 |
| 641 | Quantum electronics | 13 | 124 | 396 | 553 |
| 641 | Municipal Engineering | 5 | 124 | 247 | 260 |
| 641 | Cosmochemistry | 6 | 124 | 734 | 987 |
| 641 | Microwave devices | 8 | 124 | 63 | 40 |
| 645 | Otolaryngology | 2 | 123 | 962 | 591 |
| 645 | Cartography | 13 | 123 | 171 | 226 |
| 647 | Technology Assessment | 7 | 122 | 122 | 411 |
| 647 | Formal Languages | 6 | 122 | 114 | 61 |
| 647 | Parasitology | 3 | 122 | 2976 | 2338 |
| 647 | Parasitic Diseases | 3 | 122 | 2731 | 2331 |
| 647 | Bacteria | 3 | 122 | 441 | 598 |
| 647 | Roads | 9 | 122 | 489 | 511 |
| 653 | Paleontology | 9 | 119 | 930 | 1119 |
| 653 | Social Movements | 3 | 119 | 122 | 53 |
| 655 | Regional Economics | 3 | 118 | 500 | 371 |
| 656 | Power Electronics | 8 | 117 | 382 | 509 |
| 656 | air quality management | 3 | 117 | 604 | 551 |
| 658 | Mass Spectrometry | 7 | 116 | 956 | 1252 |
| 659 | Antibodies | 4 | 115 | 762 | 796 |
| 659 | Antigens | 4 | 115 | 1026 | 1040 |
| 661 | Educational Psychology | 5 | 114 | 1231 | 1303 |
| 661 | Mental Disorders | 3 | 114 | 3955 | 3708 |
| 663 | Surface-Active Agents | 6 | 113 | 810 | 1365 |
| 664 | Input-output analysis | 4 | 112 | 227 | 250 |
| 664 | Iron | 1 | 112 | 781 | 335 |
| 664 | Virulence | 2 | 112 | 1764 | 2005 |
| 667 | Geography | 8 | 111 | 1712 | 2232 |
| 667 | Stochastic Processes | 12 | 111 | 391 | 661 |
| 667 | Collective behavior | 1 | 111 | 210 | 56 |
| 667 | Nitric oxide | 1 | 111 | 822 | 347 |
| 671 | Synaptic Transmission | 4 | 110 | 517 | 615 |
| 671 | natural gas | 6 | 110 | 280 | 385 |
| 673 | Inflammation | 4 | 109 | 1398 | 1753 |
| 673 | winds | 6 | 109 | 51 | 43 |
| 675 | Health Education | 5 | 108 | 1872 | 1965 |
| 676 | Neuropharmacology | 4 | 107 | 589 | 694 |
| 676 | Heat | 51 | 107 | 3 | 22 |
| 678 | Applied Sciences | 1 | 106 | 51 | 63 |
| 678 | Oncology | 3 | 106 | 2921 | 3466 |
| 678 | Applied Mechanics | 1 | 106 | 51 | 63 |
| 678 | air quality | 1 | 106 | 653 | 182 |
| 682 | Popular Music | 1 | 105 | 210 | 7 |
| 683 | Magnetic Resonance Imaging | 6 | 104 | 467 | 578 |
| 683 | food handling | 5 | 104 | 735 | 1187 |
| 683 | Neurons | 1 | 104 | 1332 | 1589 |
| 683 | Methodology | 8 | 104 | 213 | 299 |
| 683 | language | 5 | 104 | 676 | 799 |
| 688 | Land use | 3 | 103 | 1347 | 1334 |
| 689 | Human Geography | 8 | 102 | 716 | 941 |
| 689 | Functional equations | 3 | 102 | 255 | 77 |
| 689 | Transport | 2 | 102 | 944 | 774 |
| 689 | China | 7 | 102 | 2294 | 2861 |
| 689 | ethanol | 1 | 102 | 1128 | 526 |
| 689 | alcoholism | 1 | 102 | 2944 | 1780 |
| 695 | Neurolinguistics | 3 | 101 | 509 | 584 |
| 695 | Nonlinear Optics | 4 | 101 | 246 | 156 |
| 695 | Intelligence | 4 | 101 | 222 | 288 |
| 695 | microwave communication systems | 6 | 101 | 76 | 80 |
| 695 | Speech Disorders | 3 | 101 | 1225 | 1065 |
| 695 | Adaptive control systems | 4 | 101 | 526 | 400 |
| 695 | mycoses | 2 | 101 | 1364 | 1445 |
| 695 | Reading | 3 | 101 | 596 | 519 |
| 703 | Synthetic biology | 7 | 100 | 191 | 360 |
| 703 | Methods | 7 | 100 | 54 | 54 |
| 705 | Environmental Toxicology | 3 | 98 | 3012 | 3330 |
| 705 | Sedimentology | 2 | 98 | 911 | 712 |
| 705 | Combinatorial chemistry | 4 | 98 | 888 | 1212 |
| 705 | Freezing | 4 | 98 | 358 | 251 |
| 705 | Telecommunication | 10 | 98 | 1403 | 1821 |
| 710 | Human genetics | 1 | 97 | 4076 | 4273 |
| 710 | Multivariate Analysis | 7 | 97 | 305 | 446 |
| 710 | occupational diseases | 2 | 97 | 1528 | 1227 |
| 713 | Microprocessors | 7 | 96 | 324 | 389 |
| 713 | micromechanics | 6 | 96 | 437 | 647 |
| 713 | health planning | 13 | 96 | 1083 | 2195 |
| 716 | Plant Morphology | 5 | 95 | 492 | 543 |
| 716 | drug therapy | 4 | 95 | 2780 | 3089 |
| 716 | Vaccines | 2 | 95 | 2890 | 2369 |
| 719 | Public Policy | 4 | 94 | 1930 | 2133 |
| 719 | Economic Development | 1 | 94 | 3312 | 2076 |
| 719 | Public Administration | 4 | 94 | 1467 | 1102 |
| 722 | Intelligent Transportation Systems | 6 | 93 | 524 | 717 |
| 722 | Synchrotron Radiation | 4 | 93 | 386 | 364 |
| 722 | Shock Waves | 7 | 93 | 116 | 152 |
| 725 | Naval Architecture | 3 | 92 | 357 | 226 |
| 726 | Hydrometeorology | 2 | 91 | 314 | 397 |
| 726 | Adsorption | 5 | 91 | 137 | 192 |
| 726 | Thin Films | 9 | 91 | 274 | 465 |
| 726 | Plasma devices | 8 | 91 | 196 | 350 |
| 730 | Environmental Psychology | 1 | 90 | 758 | 561 |
| 731 | Production Planning | 3 | 89 | 283 | 352 |
| 731 | Labor Economics | 1 | 89 | 992 | 517 |
| 731 | Production Control | 3 | 89 | 278 | 351 |
| 731 | Labor Unions | 1 | 89 | 584 | 100 |
| 731 | industrial relations | 1 | 89 | 1600 | 707 |
| 731 | cryosphere | 3 | 89 | 447 | 511 |
| 737 | Democracy | 1 | 87 | 735 | 172 |
| 737 | Democratization | 1 | 87 | 324 | 117 |
| 737 | starch | 5 | 87 | 303 | 375 |
| 740 | Intellectual disability | 1 | 86 | 1773 | 951 |
| 741 | Biodiversity conservation | 2 | 85 | 2413 | 2602 |
| 742 | Bioremediation | 3 | 84 | 961 | 1104 |
| 742 | Ore deposits | 3 | 84 | 591 | 596 |
| 744 | Urology | 3 | 83 | 2433 | 2446 |
| 744 | community development | 4 | 83 | 548 | 576 |
| 744 | Medical Ethics | 4 | 83 | 1213 | 1055 |
| 744 | Raman spectroscopy | 7 | 83 | 543 | 962 |
| 744 | Housing | 4 | 83 | 417 | 571 |
| 744 | Urban Areas | 3 | 83 | 242 | 215 |
| 750 | biofuels | 3 | 82 | 315 | 663 |
| 750 | Biomolecules | 4 | 82 | 407 | 789 |
| 750 | Navier-Stokes equations | 5 | 82 | 96 | 69 |
| 750 | Heterocyclic compounds | 5 | 82 | 931 | 769 |
| 754 | Friction | 3 | 81 | 101 | 159 |
| 754 | cohesion | 2 | 81 | 17 | 23 |
| 756 | Medical Microbiology | 1 | 80 | 4532 | 3686 |
| 756 | Terahertz Technology | 4 | 80 | 24 | 20 |
| 756 | water resources | 2 | 80 | 328 | 175 |
| 759 | behavioral medicine | 5 | 78 | 1236 | 2183 |
| 759 | Climate change | 2 | 78 | 1532 | 2136 |
| 759 | locomotion | 14 | 78 | 281 | 862 |
| 759 | posture | 14 | 78 | 281 | 862 |
| 759 | gait | 14 | 78 | 281 | 862 |
| 759 | walking | 14 | 78 | 281 | 862 |
| 765 | Urban Policy | 2 | 77 | 1121 | 1035 |
| 765 | Eutrophication | 1 | 77 | 1815 | 2094 |
| 765 | Moon | 3 | 77 | 222 | 149 |
| 765 | drug evaluation | 3 | 77 | 1733 | 1734 |
| 769 | Surveying | 5 | 74 | 104 | 62 |
| 769 | local government | 5 | 74 | 271 | 384 |
| 771 | Computational Linguistics | 6 | 73 | 355 | 379 |
| 771 | Magnetohydrodynamics | 2 | 73 | 421 | 323 |
| 771 | Welding | 7 | 73 | 194 | 141 |
| 771 | Fuzzy systems | 7 | 73 | 1186 | 1470 |
| 775 | Political Participation | 4 | 72 | 286 | 343 |
| 775 | Growth | 2 | 72 | 1763 | 2094 |
| 777 | Plate Tectonics | 3 | 71 | 306 | 300 |
| 777 | microwave antennas | 3 | 71 | 496 | 363 |
| 779 | atmospheric models | 7 | 70 | 548 | 1048 |
| 779 | Petroleum | 5 | 70 | 261 | 241 |
| 779 | synthesis | 13 | 70 | 434 | 938 |
| 782 | Immunochemistry | 3 | 69 | 1364 | 1371 |
| 783 | Information visualization | 16 | 68 | 20 | 103 |
| 784 | Geriatric Medicine | 1 | 67 | 361 | 227 |
| 784 | Accreditation | 11 | 67 | 19 | 52 |
| 784 | Digital humanities | 11 | 67 | 11 | 88 |
| 784 | Gerontology | 1 | 67 | 3914 | 2267 |
| 788 | Clinical Biochemistry | 4 | 66 | 1525 | 1855 |
| 788 | Patient education | 1 | 66 | 1346 | 1084 |
| 788 | counseling | 1 | 66 | 2744 | 1719 |
| 788 | Continental shelf | 1 | 66 | 779 | 665 |
| 792 | calcification | 2 | 65 | 854 | 937 |
| 792 | Combinatorial analysis | 11 | 65 | 618 | 803 |
| 792 | Soil ecology | 2 | 65 | 1098 | 1242 |
| 795 | Human evolution | 1 | 64 | 840 | 706 |
| 795 | Genetic variation | 2 | 64 | 181 | 154 |
| 797 | Drying | 2 | 62 | 553 | 498 |
| 797 | Semiotics | 4 | 62 | 321 | 155 |
| 799 | Health | 5 | 61 | 2335 | 3365 |
| 799 | Social Systems | 2 | 61 | 332 | 130 |
| 799 | herbicides | 1 | 61 | 576 | 382 |
| 802 | Sea | 1 | 60 | 1142 | 861 |
| 802 | Fishery resources | 1 | 60 | 1279 | 948 |
| 802 | Fisheries | 1 | 60 | 3089 | 2094 |
| 805 | Digital electronics | 5 | 59 | 256 | 245 |
| 805 | Biotransformation | 6 | 59 | 45 | 101 |
| 807 | internet | 6 | 58 | 922 | 1475 |
| 807 | drugs | 2 | 58 | 3427 | 3288 |
| 807 | sports injuries | 2 | 58 | 867 | 696 |
| 807 | Social structure | 2 | 58 | 39 | 5 |
| 811 | Histochemistry | 6 | 57 | 921 | 1523 |
| 811 | Interferons | 3 | 57 | 343 | 490 |
| 811 | Communication in politics | 1 | 57 | 555 | 219 |
| 814 | Hematology | 3 | 56 | 4165 | 4151 |
| 814 | Hormones | 1 | 56 | 2605 | 2215 |
| 814 | Middle East | 4 | 56 | 1008 | 904 |
| 814 | population geography | 1 | 56 | 823 | 533 |
| 814 | vitamins | 1 | 56 | 389 | 343 |
| 819 | Food Microbiology | 3 | 55 | 1547 | 2377 |
| 819 | radiative transfer | 5 | 55 | 551 | 708 |
| 819 | Cell survival | 1 | 55 | 559 | 450 |
| 819 | biocatalysis | 2 | 55 | 263 | 597 |
| 819 | Homogeneous catalysis | 2 | 55 | 263 | 597 |
| 819 | Heterogeneous catalysis | 2 | 55 | 263 | 597 |
| 819 | molecular chaperones | 1 | 55 | 630 | 453 |
| 826 | Nonparametric Statistics | 2 | 54 | 243 | 129 |
| 826 | Watershed management | 4 | 54 | 162 | 232 |
| 826 | Soil fertility | 1 | 54 | 704 | 717 |
| 826 | electrocatalysis | 2 | 54 | 143 | 124 |
| 830 | Psychoneuroimmunology | 3 | 53 | 838 | 1426 |
| 830 | Highway Engineering | 5 | 53 | 313 | 484 |
| 830 | Neuroimmunology | 3 | 53 | 922 | 1559 |
| 830 | Water Microbiology | 3 | 53 | 542 | 844 |
| 830 | insurance | 2 | 53 | 528 | 446 |
| 830 | Synapses | 1 | 53 | 624 | 527 |
| 836 | Biodegradation | 2 | 52 | 1098 | 1361 |
| 836 | Social policy | 3 | 52 | 1198 | 1194 |
| 836 | Australia | 3 | 52 | 2483 | 2505 |
| 836 | Catalyst | 1 | 52 | 93 | 142 |
| 836 | Fouling | 2 | 52 | 365 | 510 |
| 841 | Forest Ecology | 3 | 51 | 1252 | 1727 |
| 841 | Lattice Theory | 6 | 51 | 123 | 126 |
| 841 | Social Issues | 2 | 51 | 347 | 432 |
| 841 | Carbohydrates | 3 | 51 | 550 | 857 |
| 841 | Primates | 2 | 51 | 1126 | 1059 |
| 846 | Machine Learning | 7 | 50 | 206 | 547 |
| 846 | Fiber Optics | 7 | 50 | 315 | 501 |
| 846 | Swarm Intelligence | 2 | 50 | 372 | 494 |
| 846 | Earthquakes | 5 | 50 | 341 | 480 |
| 850 | Distance Education | 1 | 49 | 1048 | 610 |
| 850 | Optoelectronics | 4 | 49 | 525 | 507 |
| 850 | Oxidation | 1 | 49 | 385 | 267 |
| 853 | Africa | 3 | 48 | 2022 | 1776 |
| 853 | Building | 2 | 48 | 931 | 714 |
| 853 | free radicals | 4 | 48 | 1615 | 2697 |
| 853 | organization | 3 | 48 | 868 | 1223 |
| 853 | Oxidation-reduction | 3 | 48 | 1027 | 1832 |
| 858 | Textile industry | 5 | 47 | 491 | 562 |
| 858 | Muscle contraction | 5 | 47 | 207 | 201 |
| 860 | Ethics | 6 | 46 | 764 | 1234 |
| 860 | Fractional Calculus | 5 | 46 | 75 | 204 |
| 860 | planning | 2 | 46 | 1102 | 992 |
| 863 | Stem cells | 2 | 45 | 2434 | 2810 |
| 863 | movement | 1 | 45 | 711 | 630 |
| 863 | libraries | 1 | 45 | 1624 | 660 |
| 863 | Chemical structure | 4 | 45 | 470 | 552 |
| 867 | International Relations | 6 | 44 | 982 | 1119 |
| 867 | Quantum Computing | 3 | 44 | 190 | 330 |
| 867 | Heterocyclic chemistry | 3 | 44 | 640 | 511 |
| 867 | Superconductivity | 5 | 44 | 438 | 643 |
| 867 | Decision making | 7 | 44 | 1060 | 2348 |
| 872 | Cloud Computing | 2 | 43 | 331 | 371 |
| 872 | Marine Geology | 2 | 43 | 835 | 900 |
| 872 | Cryptography | 4 | 43 | 620 | 633 |
| 872 | Acoustics | 7 | 43 | 159 | 141 |
| 872 | Petroleum Geology | 2 | 43 | 722 | 835 |
| 872 | History of Medicine | 18 | 43 | 147 | 306 |
| 872 | Health promotion | 6 | 43 | 1331 | 2583 |
| 872 | biological factors | 4 | 43 | 2051 | 3073 |
| 872 | industrial location | 10 | 43 | 22 | 28 |
| 881 | Transportation Engineering | 1 | 42 | 756 | 578 |
| 881 | Auditing | 1 | 42 | 693 | 573 |
| 883 | Rheumatology | 1 | 41 | 2479 | 2236 |
| 883 | arthritis | 1 | 41 | 2438 | 2565 |
| 885 | Computer Architecture | 3 | 40 | 536 | 602 |
| 885 | Developmental Psychology | 1 | 40 | 1957 | 1740 |
| 885 | Social perception | 1 | 40 | 258 | 247 |
| 885 | isomerism | 2 | 40 | 504 | 507 |
| 885 | personality | 2 | 40 | 1932 | 2327 |
| 885 | administrative agencies | 1 | 40 | 606 | 398 |
| 885 | Chirality | 2 | 40 | 504 | 507 |
| 892 | Traffic Engineering | 4 | 39 | 361 | 776 |
| 893 | Cognitive Psychology | 4 | 38 | 382 | 559 |
| 893 | Nuclear Chemistry | 4 | 38 | 1201 | 1401 |
| 893 | Discrete geometry | 8 | 38 | 127 | 305 |
| 896 | glycoproteins | 2 | 37 | 754 | 1064 |
| 896 | Glycoconjugates | 2 | 37 | 754 | 1064 |
| 896 | feeding behavior | 1 | 37 | 1552 | 1560 |
| 896 | Cellulose | 1 | 37 | 1294 | 1249 |
| 896 | glycolipids | 2 | 37 | 754 | 1064 |
| 896 | Appetite | 1 | 37 | 1390 | 1405 |
| 902 | Erosion | 2 | 36 | 118 | 228 |
| 902 | atmosphere | 4 | 36 | 817 | 1527 |
| 902 | antibiotics | 1 | 36 | 854 | 792 |
| 902 | Cell communication | 1 | 36 | 1724 | 1752 |
| 906 | Telemedicine | 1 | 35 | 1058 | 983 |
| 906 | Adhesion | 4 | 35 | 618 | 1091 |
| 906 | Hydraulic machinery | 3 | 35 | 141 | 161 |
| 906 | Neuromuscular diseases | 2 | 35 | 1077 | 1391 |
| 906 | Respiration | 4 | 35 | 1712 | 2905 |
| 906 | adhesives | 4 | 35 | 667 | 1107 |
| 906 | Muscles | 2 | 35 | 1396 | 1918 |
| 906 | Minerals | 2 | 35 | 1170 | 1435 |
| 914 | Educational Technology | 3 | 34 | 1767 | 2387 |
| 914 | Chemical kinetics | 3 | 34 | 901 | 924 |
| 914 | Microwave circuits | 5 | 34 | 70 | 111 |
| 914 | Bipolar Disorder | 1 | 34 | 774 | 816 |
| 914 | Autonomous robots | 3 | 34 | 166 | 411 |
| 914 | Radio frequency | 5 | 34 | 256 | 501 |
| 920 | Forecasting | 2 | 33 | 802 | 924 |
| 920 | reasoning | 2 | 33 | 559 | 663 |
| 920 | psychotherapy | 2 | 33 | 1994 | 2252 |
| 920 | Food preferences | 1 | 33 | 789 | 860 |
| 920 | Archives | 1 | 33 | 302 | 80 |
| 925 | Vocational Education | 4 | 32 | 487 | 798 |
| 925 | Historic Preservation | 1 | 32 | 288 | 168 |
| 925 | nuclear spectroscopy | 1 | 32 | 8 | 8 |
| 925 | Bioethics | 2 | 32 | 1347 | 1422 |
| 929 | Radiology | 2 | 31 | 2585 | 2577 |
| 929 | Social History | 2 | 31 | 759 | 551 |
| 929 | cosmic rays | 2 | 31 | 736 | 797 |
| 929 | Microfabrication | 5 | 31 | 293 | 740 |
| 929 | Radio wave propagation | 3 | 31 | 945 | 1132 |
| 929 | Mycology | 2 | 31 | 2398 | 2811 |
| 929 | Interfaces | 3 | 31 | 339 | 549 |
| 929 | Fossil fuels | 1 | 31 | 204 | 46 |
| 929 | Fungi | 2 | 31 | 1494 | 1957 |
| 938 | Marine Ecology | 1 | 30 | 1465 | 1352 |
| 938 | Epigenetics | 1 | 30 | 520 | 478 |
| 938 | Space telescopes | 3 | 30 | 209 | 288 |
| 938 | Wireless Communication | 1 | 30 | 959 | 665 |
| 938 | Epigenomics | 1 | 30 | 510 | 470 |
| 938 | Sonochemistry | 1 | 30 | 1226 | 1599 |
| 938 | Detectors | 6 | 30 | 674 | 1383 |
| 938 | disaster relief | 1 | 30 | 560 | 526 |
| 938 | Radiation effects | 1 | 30 | 1321 | 1443 |
| 938 | venom | 1 | 30 | 1861 | 1571 |
| 938 | Toxins | 1 | 30 | 2011 | 1702 |
| 949 | Nanomedicine | 1 | 29 | 605 | 720 |
| 949 | older people | 1 | 29 | 3374 | 2449 |
| 949 | Developing countries | 6 | 29 | 2044 | 4256 |
| 949 | Navigation | 5 | 29 | 357 | 590 |
| 953 | Computer Engineering | 4 | 28 | 761 | 1394 |
| 953 | Pathology | 1 | 28 | 4565 | 4785 |
| 953 | Queuing Theory | 2 | 28 | 236 | 268 |
| 953 | Antibacterial agents | 2 | 28 | 1160 | 1832 |
| 953 | Oligosaccharides | 1 | 28 | 589 | 687 |
| 953 | Administration | 1 | 28 | 198 | 146 |
| 953 | Kidney diseases | 1 | 28 | 2004 | 2041 |
| 960 | Health Policy | 3 | 27 | 3113 | 4641 |
| 960 | Soil dynamics | 2 | 27 | 641 | 912 |
| 960 | Molecular recognition | 1 | 27 | 554 | 570 |
| 960 | educational innovations | 2 | 27 | 738 | 925 |
| 960 | Marine mammals | 1 | 27 | 578 | 581 |
| 965 | Photography | 17 | 26 | 881 | 1317 |
| 965 | food contamination | 2 | 26 | 1633 | 2006 |
| 965 | Semigroups | 6 | 26 | 176 | 280 |
| 965 | immunoassay | 2 | 26 | 317 | 352 |
| 965 | biological monitoring | 2 | 26 | 784 | 1343 |
| 970 | Economic Geography | 2 | 25 | 522 | 686 |
| 970 | Regenerative Medicine | 1 | 25 | 378 | 327 |
| 970 | Organizational Behavior | 3 | 25 | 644 | 1124 |
| 970 | Topology | 4 | 25 | 321 | 413 |
| 970 | Underwater acoustics | 2 | 25 | 109 | 129 |
| 970 | Powder Metallurgy | 2 | 25 | 573 | 409 |
| 970 | Language and Logic | 1 | 25 | 231 | 119 |
| 970 | pain management | 1 | 25 | 1506 | 1453 |
| 970 | pain | 1 | 25 | 2848 | 2957 |
| 970 | international cooperation | 1 | 25 | 1332 | 1376 |
| 980 | Literature | 11 | 24 | 485 | 323 |
| 980 | Fertilization | 1 | 24 | 174 | 211 |
| 980 | Arboriculture | 1 | 24 | 158 | 79 |
| 980 | Real-time Data Processing | 1 | 24 | 265 | 254 |
| 980 | Imaging systems | 3 | 24 | 901 | 1262 |
| 980 | Mental illness | 1 | 24 | 4008 | 4349 |
| 980 | hygiene | 2 | 24 | 826 | 1295 |
| 980 | econometric models | 2 | 24 | 873 | 1198 |
| 980 | gametes | 1 | 24 | 174 | 211 |
| 989 | Molecular Pharmacology | 1 | 23 | 1591 | 2019 |
| 989 | Virtual reality | 2 | 23 | 543 | 767 |
| 989 | Wireless Sensor Networks | 3 | 23 | 29 | 60 |
| 989 | Marine biodiversity | 2 | 23 | 405 | 446 |
| 989 | touch | 2 | 23 | 49 | 45 |
| 989 | Sequential Analysis | 2 | 23 | 122 | 102 |
| 989 | Detergents | 7 | 23 | 22 | 61 |
| 989 | Fossils | 2 | 23 | 65 | 70 |
| 997 | Nutrition physiology | 8 | 22 | 454 | 1836 |
| 997 | drug development | 1 | 22 | 2340 | 2996 |
| 997 | Evolution equations | 3 | 22 | 152 | 243 |
| 997 | Agricultural systems | 1 | 22 | 703 | 983 |