| 1 | Physics | 3,054 | 149.9K | 113 | 224 |
| 2 | Chemistry | 2,743 | 112.2K | 109 | 196 |
| 3 | Biology | 462 | 41.2K | 746 | 677 |
| 4 | Condensed Matter | 1,165 | 39.2K | 84 | 111 |
| 5 | Materials | 882 | 37.8K | 186 | 204 |
| 6 | Statistical physics | 817 | 37.4K | 60 | 37 |
| 7 | Biotechnology | 539 | 37.1K | 194 | 139 |
| 8 | Solid State Physics | 1,163 | 35.5K | 95 | 120 |
| 9 | Science | 429 | 32.9K | 793 | 852 |
| 10 | Biochemistry | 686 | 29.7K | 639 | 547 |
| 11 | Molecular Biology | 418 | 28.9K | 665 | 526 |
| 12 | Microbiology | 487 | 28.5K | 390 | 385 |
| 13 | Nanotechnology | 421 | 27.1K | 278 | 228 |
| 14 | Nonlinear Dynamics | 442 | 26.4K | 31 | 13 |
| 15 | Materials Science | 533 | 25.3K | 176 | 163 |
| 16 | Nuclear Physics | 595 | 24.8K | 398 | 343 |
| 17 | Bioengineering | 357 | 23.6K | 138 | 155 |
| 18 | Optics | 583 | 19.1K | 143 | 100 |
| 19 | Catalysis | 443 | 17.9K | 156 | 195 |
| 20 | Natural history | 57 | 17.9K | 946 | 760 |
| 21 | Polymers | 605 | 16.4K | 163 | 211 |
| 22 | Chemical Engineering | 782 | 15.9K | 88 | 239 |
| 23 | Electronics | 201 | 15.8K | 297 | 45 |
| 24 | Molecules | 151 | 15.7K | 64 | 9 |
| 25 | Research | 172 | 15.6K | 1393 | 581 |
| 26 | Mathematics | 1,482 | 14.9K | 69 | 135 |
| 27 | Technology | 357 | 13.8K | 118 | 75 |
| 28 | miniaturization | 112 | 13.6K | 160 | 87 |
| 29 | Microelectronics | 135 | 13.3K | 130 | 80 |
| 30 | Engineering Mathematics | 173 | 10.4K | 87 | 12 |
| 31 | Cytology | 91 | 9.6K | 975 | 726 |
| 32 | Cell death | 36 | 9.5K | 271 | 93 |
| 33 | polymerization | 385 | 9.4K | 201 | 268 |
| 34 | Biomedical Engineering | 267 | 9.2K | 239 | 255 |
| 35 | Ecology | 129 | 9.1K | 1039 | 834 |
| 36 | Photonics | 104 | 8.8K | 141 | 92 |
| 37 | Water | 159 | 8.7K | 148 | 177 |
| 38 | Cell differentiation | 23 | 8.5K | 776 | 212 |
| 39 | Metallurgy | 268 | 8.4K | 119 | 142 |
| 40 | Astrophysics | 357 | 8.3K | 436 | 755 |
| 41 | Industrial Microbiology | 138 | 7.8K | 56 | 40 |
| 42 | Environment | 119 | 7.8K | 725 | 772 |
| 43 | Hydrology | 158 | 7.7K | 167 | 127 |
| 44 | Molecular structure | 74 | 7.7K | 280 | 99 |
| 45 | Automation | 120 | 7.7K | 100 | 63 |
| 46 | Colloids | 268 | 7.5K | 214 | 312 |
| 47 | Combustion | 172 | 7.2K | 60 | 55 |
| 48 | Environmental Policy | 56 | 7.0K | 596 | 230 |
| 49 | Medical Laboratory Science | 125 | 6.8K | 79 | 56 |
| 50 | Metals | 175 | 6.7K | 182 | 163 |
| 51 | Cell Biology | 52 | 6.4K | 1321 | 943 |
| 52 | Microbial Ecology | 85 | 6.3K | 305 | 298 |
| 53 | Virology | 83 | 6.3K | 647 | 750 |
| 54 | Composite Materials | 180 | 6.1K | 183 | 231 |
| 55 | Manufacturing Processes | 437 | 6.0K | 23 | 75 |
| 56 | Geophysics | 210 | 6.0K | 478 | 555 |
| 57 | Solid State Chemistry | 323 | 6.0K | 40 | 82 |
| 58 | Biochemical Engineering | 103 | 5.9K | 386 | 510 |
| 59 | Biophysics | 182 | 5.8K | 842 | 807 |
| 60 | Artificial Intelligence | 121 | 5.8K | 377 | 220 |
| 61 | nanoscience | 92 | 5.8K | 426 | 360 |
| 62 | Computer Graphics | 185 | 5.7K | 54 | 73 |
| 63 | Optical materials | 104 | 5.7K | 302 | 250 |
| 64 | Production Engineering | 454 | 5.5K | 12 | 31 |
| 65 | Soft Condensed Matter | 175 | 5.5K | 18 | 24 |
| 66 | Physical Chemistry | 260 | 5.4K | 52 | 188 |
| 67 | Mathematical Physics | 279 | 5.4K | 126 | 253 |
| 68 | Engineering | 438 | 5.3K | 64 | 167 |
| 69 | Cheminformatics | 8 | 5.3K | 140 | 11 |
| 70 | Light | 34 | 5.2K | 179 | 100 |
| 71 | Electrochemistry | 198 | 5.1K | 383 | 376 |
| 72 | water supply | 119 | 5.0K | 55 | 81 |
| 73 | Solar Energy | 65 | 4.6K | 121 | 53 |
| 74 | Product Design | 366 | 4.6K | 2 | 3 |
| 75 | mass transfer | 167 | 4.5K | 54 | 86 |
| 76 | Fracture mechanics | 107 | 4.5K | 91 | 50 |
| 77 | Numerical Analysis | 156 | 4.3K | 81 | 71 |
| 78 | biopolymers | 132 | 4.3K | 32 | 40 |
| 79 | Biocompatible Materials | 114 | 4.2K | 594 | 755 |
| 80 | Astronomy | 153 | 4.2K | 647 | 824 |
| 81 | Cybernetics | 221 | 4.0K | 10 | 47 |
| 82 | Medicine | 146 | 4.0K | 2074 | 2604 |
| 83 | solar cells | 63 | 3.9K | 45 | 28 |
| 84 | Surface Chemistry | 168 | 3.6K | 384 | 594 |
| 85 | Membranes | 51 | 3.5K | 349 | 252 |
| 86 | Renewable Energy Sources | 74 | 3.5K | 255 | 420 |
| 87 | Control Theory | 108 | 3.5K | 138 | 101 |
| 88 | System analysis | 113 | 3.4K | 141 | 120 |
| 89 | Pollution | 83 | 3.4K | 1119 | 1275 |
| 90 | Climatology | 22 | 3.4K | 725 | 304 |
| 91 | Energy Policy | 82 | 3.4K | 261 | 336 |
| 92 | Fluid Dynamics | 139 | 3.3K | 34 | 49 |
| 93 | Industrial Engineering | 143 | 3.2K | 72 | 111 |
| 94 | Organometallic chemistry | 128 | 3.1K | 56 | 37 |
| 95 | Zeolites | 62 | 3.1K | 48 | 34 |
| 96 | Dynamics | 138 | 3.1K | 46 | 40 |
| 97 | Organic Chemistry | 100 | 3.1K | 490 | 482 |
| 98 | energy conservation | 53 | 3.1K | 239 | 211 |
| 99 | Water pollution | 75 | 3.0K | 388 | 438 |
| 100 | Bacteriology | 34 | 3.0K | 591 | 426 |
| 101 | Nanostructured Materials | 112 | 2.9K | 454 | 595 |
| 102 | Pharmaceutical Technology | 33 | 2.8K | 343 | 111 |
| 102 | catalytic activity | 33 | 2.8K | 90 | 28 |
| 104 | Earth Sciences | 86 | 2.8K | 509 | 541 |
| 105 | Hydraulic Engineering | 76 | 2.8K | 75 | 49 |
| 106 | Hydrodynamics | 69 | 2.8K | 26 | 27 |
| 107 | Immunology | 39 | 2.8K | 1483 | 1199 |
| 108 | Spectrum analysis | 81 | 2.8K | 1025 | 1083 |
| 109 | Bioinorganic chemistry | 114 | 2.7K | 60 | 76 |
| 110 | enzymes | 57 | 2.7K | 165 | 135 |
| 111 | Natural resources | 66 | 2.7K | 36 | 43 |
| 112 | Mechanical Engineering | 117 | 2.7K | 194 | 139 |
| 113 | Plastics | 101 | 2.7K | 84 | 74 |
| 114 | coal | 67 | 2.7K | 167 | 172 |
| 115 | Magnetic Resonance Spectroscopy | 93 | 2.7K | 90 | 91 |
| 116 | Nuclear Fusion | 100 | 2.6K | 88 | 67 |
| 117 | bioclimatology | 11 | 2.6K | 384 | 23 |
| 118 | Electrical Engineering | 289 | 2.5K | 183 | 165 |
| 119 | Linguistics | 69 | 2.5K | 194 | 119 |
| 120 | Climate | 8 | 2.5K | 341 | 35 |
| 120 | weather | 8 | 2.5K | 302 | 11 |
| 122 | Heat Exchangers | 52 | 2.5K | 113 | 86 |
| 123 | concrete | 43 | 2.5K | 158 | 155 |
| 124 | Ceramic materials | 80 | 2.5K | 93 | 85 |
| 125 | Bioorganic chemistry | 46 | 2.5K | 740 | 498 |
| 126 | Structural dynamics | 61 | 2.4K | 113 | 123 |
| 127 | Mechanics | 91 | 2.4K | 56 | 68 |
| 128 | Geology | 92 | 2.4K | 649 | 653 |
| 129 | nuclear magnetic resonance | 72 | 2.3K | 130 | 112 |
| 130 | Neurology | 45 | 2.3K | 2053 | 1866 |
| 131 | Pharmaceutical Chemistry | 69 | 2.3K | 914 | 954 |
| 132 | Environmental Health | 40 | 2.3K | 1741 | 1376 |
| 133 | vibration | 63 | 2.2K | 117 | 103 |
| 133 | cell physiology | 33 | 2.2K | 437 | 374 |
| 135 | Geodesy | 114 | 2.2K | 16 | 25 |
| 135 | nucleic acids | 30 | 2.2K | 611 | 637 |
| 137 | Risk Management | 14 | 2.2K | 250 | 33 |
| 138 | Semantics | 9 | 2.2K | 83 | 1 |
| 139 | Environmental Engineering | 44 | 2.2K | 927 | 819 |
| 140 | Computational Biology | 68 | 2.2K | 419 | 613 |
| 141 | Chemical industry | 454 | 2.2K | 17 | 49 |
| 142 | Computer-Aided Design | 68 | 2.1K | 71 | 76 |
| 143 | Wind power | 67 | 2.1K | 8 | 9 |
| 144 | proteins | 48 | 2.1K | 446 | 364 |
| 145 | Analytical Chemistry | 90 | 2.1K | 899 | 1088 |
| 146 | Fluid Mechanics | 77 | 2.1K | 230 | 211 |
| 147 | Ceramics | 60 | 2.1K | 210 | 182 |
| 148 | Greenhouse gases | 19 | 2.0K | 79 | 28 |
| 149 | Rheology | 59 | 2.0K | 40 | 39 |
| 150 | Cancer | 39 | 2.0K | 1399 | 1279 |
| 151 | Organometallic compounds | 82 | 2.0K | 70 | 117 |
| 152 | solar power | 31 | 2.0K | 105 | 63 |
| 153 | Geochemistry | 61 | 2.0K | 497 | 566 |
| 154 | Glass | 44 | 2.0K | 212 | 174 |
| 154 | pottery | 44 | 2.0K | 203 | 170 |
| 156 | Nanostructures | 36 | 1.9K | 475 | 419 |
| 157 | protein | 42 | 1.9K | 230 | 232 |
| 158 | Solar power plants | 32 | 1.9K | 15 | 14 |
| 158 | Photovoltaic Cells | 32 | 1.9K | 15 | 14 |
| 160 | Risk | 11 | 1.9K | 260 | 46 |
| 161 | Probability | 8 | 1.9K | 371 | 40 |
| 162 | energy resources | 33 | 1.9K | 267 | 327 |
| 163 | Financial management | 6 | 1.9K | 354 | 41 |
| 164 | visualization | 86 | 1.9K | 103 | 35 |
| 165 | Environmental monitoring | 32 | 1.9K | 1249 | 960 |
| 166 | environmental pollution | 52 | 1.8K | 1150 | 1263 |
| 167 | Product life cycle | 26 | 1.8K | 27 | 30 |
| 167 | green products | 26 | 1.8K | 25 | 30 |
| 169 | Neurophysiology | 33 | 1.8K | 1159 | 1098 |
| 170 | Quantum Optics | 88 | 1.7K | 33 | 61 |
| 171 | Botany | 40 | 1.7K | 1436 | 1294 |
| 172 | Process Control | 31 | 1.7K | 118 | 152 |
| 173 | Building Materials | 35 | 1.7K | 378 | 337 |
| 174 | Europe | 81 | 1.7K | 526 | 520 |
| 175 | Structural Engineering | 68 | 1.7K | 236 | 215 |
| 176 | Cement | 13 | 1.7K | 245 | 141 |
| 177 | Earthquake Engineering | 57 | 1.7K | 212 | 223 |
| 178 | software | 31 | 1.7K | 89 | 48 |
| 179 | Database Management | 43 | 1.7K | 128 | 126 |
| 180 | management | 83 | 1.6K | 532 | 891 |
| 181 | Genetic engineering | 29 | 1.6K | 643 | 537 |
| 182 | Algebra | 167 | 1.6K | 39 | 57 |
| 183 | Porous materials | 73 | 1.6K | 17 | 23 |
| 184 | lasers | 75 | 1.6K | 155 | 119 |
| 185 | machinery | 21 | 1.6K | 163 | 35 |
| 186 | fuel cells | 45 | 1.6K | 199 | 358 |
| 187 | environmental protection | 41 | 1.6K | 810 | 821 |
| 187 | Ocean Engineering | 55 | 1.6K | 284 | 285 |
| 189 | Engineering Geology | 24 | 1.5K | 443 | 262 |
| 190 | mathematical analysis | 134 | 1.5K | 200 | 290 |
| 191 | Energy Conversion | 28 | 1.5K | 347 | 491 |
| 192 | Genomics | 31 | 1.5K | 1183 | 958 |
| 193 | Ultrasonics | 24 | 1.5K | 230 | 120 |
| 194 | Biomass Energy | 36 | 1.4K | 633 | 719 |
| 195 | Metabolism | 24 | 1.4K | 1386 | 1210 |
| 195 | Computational Fluid Dynamics | 39 | 1.4K | 45 | 25 |
| 197 | Semiconductors | 114 | 1.4K | 123 | 206 |
| 198 | Groundwater | 40 | 1.4K | 94 | 68 |
| 199 | Ultrasonic Imaging | 21 | 1.4K | 100 | 20 |
| 200 | Ultrasound | 15 | 1.4K | 189 | 44 |
| 201 | Photogrammetry | 136 | 1.4K | 25 | 16 |
| 202 | optical devices | 19 | 1.4K | 84 | 9 |
| 203 | Planets | 31 | 1.4K | 652 | 663 |
| 204 | Liquid Crystals | 81 | 1.3K | 77 | 45 |
| 205 | Environmental Management | 23 | 1.3K | 1041 | 851 |
| 206 | Remote Sensing | 154 | 1.3K | 38 | 101 |
| 207 | Human-Computer Interaction | 45 | 1.3K | 150 | 146 |
| 208 | Zoology | 29 | 1.3K | 971 | 537 |
| 209 | Enzyme | 13 | 1.3K | 146 | 46 |
| 210 | actuators | 50 | 1.2K | 372 | 571 |
| 210 | transducers | 50 | 1.2K | 372 | 571 |
| 212 | Operations Research | 13 | 1.2K | 1246 | 541 |
| 213 | monoclonal antibodies | 2 | 1.2K | 344 | 2 |
| 214 | Drug delivery systems | 6 | 1.2K | 1249 | 408 |
| 215 | Biomechanics | 35 | 1.2K | 315 | 331 |
| 216 | Bioinformatics | 40 | 1.2K | 486 | 714 |
| 217 | Statistical Mechanics | 37 | 1.2K | 214 | 112 |
| 218 | Computer Science | 73 | 1.2K | 174 | 184 |
| 219 | energy development | 31 | 1.2K | 80 | 254 |
| 220 | plasticity | 9 | 1.2K | 167 | 82 |
| 221 | Petrology | 37 | 1.2K | 271 | 339 |
| 222 | Psychophysiology | 28 | 1.2K | 1210 | 1190 |
| 223 | Water quality management | 43 | 1.2K | 266 | 248 |
| 224 | Thermodynamics | 54 | 1.1K | 105 | 81 |
| 225 | Software Engineering | 48 | 1.1K | 100 | 83 |
| 225 | Structural optimization | 17 | 1.1K | 91 | 51 |
| 227 | Mineralogy | 42 | 1.1K | 354 | 398 |
| 228 | Computational Chemistry | 22 | 1.1K | 134 | 163 |
| 229 | Histology | 29 | 1.1K | 593 | 561 |
| 230 | Psychology | 34 | 1.1K | 1751 | 1583 |
| 231 | extraterrestrial environment | 91 | 1.1K | 33 | 45 |
| 232 | Memory | 23 | 1.1K | 821 | 646 |
| 233 | computer networks | 42 | 1.1K | 439 | 397 |
| 234 | Differential Equations | 42 | 1.1K | 131 | 116 |
| 235 | Nondestructive testing | 36 | 1.1K | 72 | 55 |
| 236 | Robotics | 50 | 1.1K | 243 | 312 |
| 236 | astronomical phenomena | 89 | 1.1K | 32 | 46 |
| 238 | Geomorphology | 18 | 1.1K | 553 | 404 |
| 238 | Environmental Chemistry | 15 | 1.1K | 996 | 806 |
| 240 | Visual Perception | 34 | 1.1K | 530 | 539 |
| 241 | Biosensors | 21 | 1.0K | 385 | 452 |
| 242 | Quantum theory | 47 | 1.0K | 93 | 125 |
| 243 | Physiology | 54 | 1.0K | 1258 | 1817 |
| 244 | Nuclear Engineering | 76 | 1.0K | 218 | 186 |
| 245 | Soil Mechanics | 22 | 1.0K | 397 | 316 |
| 246 | particles | 43 | 1.0K | 81 | 82 |
| 247 | Chemical processes | 62 | 1.0K | 23 | 50 |
| 248 | Energy Storage | 30 | 1.0K | 272 | 310 |
| 249 | Green Chemistry | 27 | 990 | 543 | 707 |
| 250 | fusion reactors | 52 | 984 | 88 | 61 |
| 251 | plasma spraying | 15 | 968 | 68 | 32 |
| 252 | Systems Biology | 42 | 957 | 252 | 333 |
| 253 | Biomass | 18 | 954 | 131 | 129 |
| 254 | Genetics | 16 | 953 | 2382 | 2212 |
| 255 | sanitation | 10 | 930 | 1005 | 842 |
| 256 | Sustainable Development | 28 | 914 | 448 | 571 |
| 257 | Nanoparticles | 18 | 905 | 769 | 581 |
| 258 | analysis | 24 | 898 | 70 | 87 |
| 258 | nuclear magnetic resonance spectroscopy | 28 | 898 | 150 | 123 |
| 260 | Waste management | 39 | 881 | 183 | 198 |
| 261 | Social Change | 12 | 872 | 390 | 276 |
| 262 | Neuropsychology | 25 | 870 | 923 | 870 |
| 263 | Brain | 25 | 864 | 1214 | 1271 |
| 264 | Toxicology | 17 | 858 | 2749 | 2108 |
| 265 | Recycling | 7 | 855 | 334 | 203 |
| 266 | Pharmacology | 25 | 853 | 2667 | 2568 |
| 267 | Oncogenes | 10 | 845 | 832 | 772 |
| 268 | Plant cells | 13 | 834 | 664 | 817 |
| 269 | Oxidative stress | 6 | 832 | 912 | 369 |
| 270 | Microbial Biotechnology | 14 | 824 | 282 | 132 |
| 271 | infrared radiation | 44 | 821 | 40 | 34 |
| 272 | Systems Engineering | 40 | 813 | 381 | 391 |
| 273 | Information Theory | 34 | 812 | 213 | 253 |
| 274 | Neurobiology | 9 | 811 | 1385 | 1037 |
| 275 | Quantum Chemistry | 18 | 805 | 295 | 111 |
| 276 | natural disasters | 24 | 790 | 268 | 301 |
| 277 | Rock Mechanics | 18 | 789 | 332 | 258 |
| 277 | infrared technology | 34 | 789 | 22 | 8 |
| 279 | Analytical Biochemistry | 19 | 788 | 625 | 538 |
| 280 | Geodynamics | 29 | 783 | 233 | 310 |
| 281 | Economics | 29 | 771 | 1765 | 1381 |
| 282 | Nonlinear systems | 27 | 769 | 94 | 88 |
| 283 | Bioelectronics | 13 | 762 | 486 | 523 |
| 284 | Water Purification | 34 | 758 | 158 | 186 |
| 285 | Cognition | 9 | 757 | 1151 | 692 |
| 286 | Mobile Computing | 25 | 755 | 202 | 135 |
| 287 | Fractals | 40 | 754 | 141 | 195 |
| 288 | Granular materials | 32 | 752 | 44 | 55 |
| 289 | cytokines | 7 | 745 | 1002 | 420 |
| 289 | Cytokine | 7 | 745 | 232 | 120 |
| 291 | Crystallography | 73 | 741 | 216 | 317 |
| 292 | biological evolution | 18 | 736 | 969 | 1169 |
| 293 | Cellular senescence | 2 | 733 | 1148 | 189 |
| 294 | gene mapping | 13 | 719 | 1147 | 1045 |
| 295 | Behavior | 18 | 705 | 1578 | 1708 |
| 296 | Luminescence | 63 | 694 | 82 | 191 |
| 297 | Growth factors | 4 | 688 | 244 | 116 |
| 298 | Energy Harvesting | 10 | 683 | 228 | 266 |
| 299 | Evolution | 16 | 676 | 947 | 1005 |
| 300 | Microscopy | 31 | 668 | 383 | 386 |
| 301 | Sustainable Engineering | 21 | 660 | 537 | 659 |
| 302 | Signal Transduction | 9 | 657 | 951 | 754 |
| 303 | radioactive waste | 11 | 650 | 301 | 332 |
| 303 | industrial waste | 11 | 650 | 324 | 333 |
| 303 | Hazardous waste | 11 | 650 | 379 | 358 |
| 306 | Smart Materials | 26 | 648 | 156 | 204 |
| 306 | Business | 12 | 648 | 1223 | 961 |
| 308 | molecular design | 16 | 646 | 63 | 60 |
| 309 | Protein engineering | 15 | 644 | 56 | 60 |
| 309 | Meteorites | 25 | 644 | 406 | 610 |
| 311 | hazard mitigation | 12 | 641 | 336 | 212 |
| 312 | Molecular cloning | 10 | 640 | 901 | 496 |
| 312 | Genetic recombination | 10 | 640 | 877 | 489 |
| 312 | Recombinant DNA | 10 | 640 | 969 | 535 |
| 315 | innovation | 18 | 639 | 114 | 320 |
| 315 | Learning | 10 | 639 | 803 | 536 |
| 317 | Continuum Mechanics | 14 | 635 | 33 | 20 |
| 318 | Magnetic Materials | 33 | 634 | 350 | 509 |
| 319 | Systems Theory | 209 | 632 | 1 | 23 |
| 320 | Environmental Law | 4 | 631 | 1197 | 664 |
| 321 | Bioenergetics | 22 | 614 | 251 | 349 |
| 322 | Photochemistry | 28 | 607 | 447 | 606 |
| 323 | Atmospheric Chemistry | 14 | 605 | 549 | 604 |
| 324 | cell interaction | 7 | 603 | 884 | 456 |
| 325 | Solitons | 36 | 602 | 116 | 221 |
| 325 | Chaos | 36 | 602 | 116 | 221 |
| 327 | Social Sciences | 29 | 601 | 1196 | 924 |
| 328 | Soil biology | 4 | 595 | 935 | 553 |
| 329 | Turbulence | 24 | 587 | 26 | 24 |
| 330 | Drug design | 2 | 585 | 2651 | 670 |
| 331 | Industrial Safety | 8 | 579 | 730 | 279 |
| 331 | Information Science | 71 | 579 | 264 | 942 |
| 333 | Multiphase Flow | 19 | 572 | 81 | 109 |
| 334 | Neurochemistry | 27 | 569 | 1001 | 1395 |
| 335 | Petroleum Engineering | 7 | 561 | 523 | 222 |
| 335 | Metallography | 32 | 561 | 125 | 191 |
| 337 | Regional Planning | 31 | 560 | 426 | 538 |
| 337 | viruses | 10 | 560 | 1058 | 1032 |
| 339 | Environmental pollutants | 20 | 555 | 866 | 1055 |
| 340 | Data Mining | 6 | 552 | 1317 | 698 |
| 341 | Plant physiology | 19 | 548 | 992 | 1252 |
| 342 | Microbial Metabolism | 11 | 542 | 30 | 22 |
| 343 | marketing | 10 | 539 | 1146 | 847 |
| 344 | soil microbiology | 4 | 537 | 1515 | 958 |
| 345 | Cerebral cortex | 8 | 535 | 690 | 571 |
| 346 | Catalysts | 16 | 533 | 192 | 161 |
| 347 | Energy metabolism | 18 | 531 | 256 | 327 |
| 347 | data collection | 3 | 531 | 1399 | 505 |
| 349 | Simulation Methods | 15 | 528 | 268 | 129 |
| 350 | Medical innovations | 10 | 526 | 582 | 934 |
| 350 | biomimicry | 10 | 526 | 36 | 30 |
| 352 | Developmental Biology | 13 | 523 | 1224 | 1436 |
| 353 | Agricultural Chemistry | 16 | 522 | 1177 | 1115 |
| 354 | Entropy | 20 | 518 | 217 | 132 |
| 355 | Immunotherapy | 13 | 517 | 1066 | 1245 |
| 356 | Perception | 14 | 514 | 1134 | 1018 |
| 357 | Political Science | 30 | 512 | 582 | 548 |
| 357 | Atmospheric Physics | 11 | 512 | 1046 | 895 |
| 359 | animals | 11 | 509 | 692 | 321 |
| 360 | Animal | 10 | 507 | 45 | 10 |
| 361 | cell membrane | 17 | 505 | 255 | 309 |
| 361 | commerce | 10 | 505 | 906 | 620 |
| 363 | Sociology | 38 | 504 | 782 | 1247 |
| 364 | Microorganisms | 5 | 501 | 1120 | 785 |
| 365 | Aerosols | 30 | 499 | 134 | 209 |
| 366 | Clinical Chemistry | 16 | 496 | 1671 | 1798 |
| 367 | Chromosome mapping | 10 | 495 | 1239 | 1114 |
| 368 | Molecular Genetics | 12 | 491 | 1281 | 1224 |
| 368 | Algorithms | 3 | 491 | 844 | 136 |
| 370 | Particle Physics | 10 | 488 | 459 | 200 |
| 370 | Insect biochemistry | 5 | 488 | 360 | 189 |
| 372 | Molecular Microbiology | 8 | 486 | 621 | 682 |
| 373 | United States | 21 | 483 | 2474 | 2438 |
| 374 | pollutants | 7 | 482 | 1480 | 974 |
| 375 | Nonlinear functional analysis | 20 | 474 | 362 | 310 |
| 375 | Insects | 4 | 474 | 1581 | 536 |
| 375 | Elementary particles | 5 | 474 | 125 | 108 |
| 378 | Databases | 33 | 473 | 76 | 137 |
| 379 | Statistics | 37 | 470 | 870 | 1124 |
| 380 | Attention | 13 | 468 | 1092 | 988 |
| 381 | Liver diseases | 4 | 463 | 1700 | 1234 |
| 382 | diffusion | 51 | 461 | 11 | 6 |
| 382 | Quantum Communication | 18 | 461 | 25 | 71 |
| 384 | Plasma chemistry | 19 | 458 | 73 | 89 |
| 385 | Germany | 56 | 457 | 56 | 43 |
| 385 | Atomic spectroscopy | 27 | 457 | 295 | 404 |
| 387 | Intelligent Control Systems | 20 | 454 | 240 | 150 |
| 388 | Molecular evolution | 7 | 453 | 1376 | 984 |
| 389 | Plasma polymerization | 16 | 451 | 53 | 58 |
| 390 | Nuclear Energy | 29 | 446 | 338 | 334 |
| 390 | Geometry | 77 | 446 | 93 | 205 |
| 392 | Energy Consumption | 5 | 444 | 124 | 29 |
| 393 | Alloys | 49 | 443 | 14 | 28 |
| 394 | Meteorology | 14 | 439 | 1332 | 1619 |
| 395 | exobiology | 2 | 436 | 516 | 176 |
| 396 | Nervous system | 15 | 434 | 1396 | 1798 |
| 397 | Planetary Science | 22 | 430 | 171 | 180 |
| 397 | Metallic Glasses | 14 | 430 | 160 | 156 |
| 399 | Structural design | 16 | 427 | 221 | 248 |
| 400 | Public Health | 22 | 426 | 2849 | 3588 |
| 401 | Measurement | 29 | 423 | 235 | 381 |
| 402 | Animal Behavior | 11 | 420 | 1183 | 1303 |
| 403 | Aquaculture | 4 | 419 | 1526 | 680 |
| 404 | aerosol | 26 | 416 | 76 | 144 |
| 405 | Diet | 8 | 414 | 1676 | 1518 |
| 406 | impact | 6 | 412 | 238 | 155 |
| 407 | emergency management | 13 | 411 | 288 | 243 |
| 407 | Finite Element Method | 7 | 411 | 131 | 42 |
| 409 | Wireless Communication Systems | 26 | 408 | 624 | 665 |
| 410 | Diabetes | 4 | 405 | 2558 | 1797 |
| 411 | Psychopharmacology | 15 | 404 | 935 | 1170 |
| 412 | Diagnostic microbiology | 4 | 395 | 1524 | 1269 |
| 413 | Comparative Physiology | 23 | 394 | 260 | 403 |
| 413 | plant communities | 5 | 394 | 993 | 767 |
| 415 | Food | 48 | 391 | 684 | 1860 |
| 416 | Oceanography | 13 | 389 | 1138 | 1121 |
| 417 | Microcirculation | 2 | 388 | 760 | 160 |
| 417 | Blood vessels | 2 | 388 | 614 | 111 |
| 419 | Rock deformation | 12 | 386 | 49 | 57 |
| 420 | Nutrition | 32 | 385 | 1679 | 2951 |
| 421 | Nonlinear mechanics | 7 | 384 | 227 | 99 |
| 422 | Organizational change | 9 | 382 | 350 | 245 |
| 423 | Structural biology | 5 | 381 | 25 | 11 |
| 424 | Japan | 12 | 377 | 1193 | 655 |
| 425 | Mechatronics | 26 | 374 | 109 | 167 |
| 426 | Physical fitness | 7 | 373 | 800 | 525 |
| 427 | Bifurcation Theory | 23 | 371 | 112 | 161 |
| 427 | Lipids | 11 | 371 | 763 | 919 |
| 429 | Biopharmaceutics | 4 | 370 | 1301 | 603 |
| 429 | gene therapy | 4 | 370 | 1299 | 877 |
| 431 | soil conservation | 13 | 368 | 265 | 299 |
| 432 | elasticity | 11 | 367 | 80 | 47 |
| 433 | NMR | 23 | 366 | 70 | 98 |
| 434 | Environmental Microbiology | 10 | 364 | 822 | 1051 |
| 435 | Marine Biology | 12 | 363 | 1630 | 1605 |
| 435 | Neural circuitry | 15 | 363 | 846 | 1032 |
| 435 | Yeast | 7 | 363 | 273 | 224 |
| 438 | soil pollution | 12 | 362 | 144 | 132 |
| 439 | rivers | 7 | 354 | 170 | 100 |
| 440 | Education | 22 | 353 | 1661 | 1512 |
| 440 | Radiation | 20 | 353 | 919 | 1028 |
| 442 | Electrochemical Analysis | 10 | 352 | 934 | 737 |
| 442 | Laser Spectroscopy | 20 | 352 | 238 | 313 |
| 444 | Tunneling | 4 | 346 | 293 | 173 |
| 444 | underground construction | 4 | 346 | 293 | 173 |
| 446 | Flexible manufacturing systems | 22 | 342 | 29 | 102 |
| 446 | Molecular Spectroscopy | 16 | 342 | 777 | 839 |
| 448 | Geriatrics | 11 | 341 | 2098 | 1810 |
| 448 | Periglacial processes | 1 | 341 | 283 | 60 |
| 448 | Permafrost | 1 | 341 | 283 | 60 |
| 448 | Frozen ground | 1 | 341 | 287 | 60 |
| 452 | structural stability | 5 | 336 | 371 | 180 |
| 452 | magnetic resonance | 22 | 336 | 71 | 110 |
| 454 | Microwaves | 18 | 334 | 457 | 251 |
| 455 | Microstructure | 24 | 333 | 120 | 149 |
| 456 | Philosophy | 30 | 332 | 583 | 394 |
| 457 | food technology | 11 | 331 | 1562 | 1620 |
| 458 | Computer Vision | 15 | 330 | 473 | 790 |
| 459 | Tribology | 24 | 328 | 333 | 534 |
| 460 | Paleoclimatology | 6 | 327 | 908 | 718 |
| 460 | Therapeutics | 11 | 327 | 1198 | 1442 |
| 462 | Hydrogeology | 13 | 323 | 279 | 258 |
| 462 | Optical Communications | 11 | 323 | 263 | 184 |
| 464 | Plants | 8 | 321 | 1553 | 1521 |
| 465 | probabilities | 27 | 320 | 444 | 446 |
| 466 | Image Processing | 19 | 319 | 772 | 1162 |
| 467 | Transportation | 20 | 309 | 635 | 925 |
| 468 | plant molecular biology | 6 | 308 | 1249 | 1377 |
| 469 | Eigenvalues | 66 | 306 | 3 | 7 |
| 470 | Crystal growth | 16 | 305 | 392 | 525 |
| 471 | Mental Health | 3 | 304 | 2101 | 830 |
| 472 | Systems Analysis | 13 | 301 | 458 | 424 |
| 472 | Phylogeny | 5 | 301 | 785 | 687 |
| 474 | Carbon | 9 | 299 | 880 | 1087 |
| 475 | Civil Engineering | 53 | 298 | 215 | 402 |
| 475 | Applied Linguistics | 9 | 298 | 280 | 179 |
| 477 | Serology | 3 | 297 | 655 | 208 |
| 477 | Protozoa | 8 | 297 | 232 | 249 |
| 479 | Nanophotonics | 12 | 296 | 92 | 158 |
| 479 | Approximation Theory | 15 | 296 | 127 | 106 |
| 481 | Anatomy | 14 | 294 | 1136 | 1420 |
| 481 | Computational Complexity | 23 | 294 | 186 | 258 |
| 483 | Materials Engineering | 17 | 290 | 148 | 141 |
| 484 | global environmental change | 4 | 287 | 884 | 708 |
| 485 | Diagnostic Imaging | 17 | 286 | 968 | 1348 |
| 486 | Physical organic chemistry | 17 | 284 | 576 | 769 |
| 487 | Psycholinguistics | 12 | 282 | 500 | 630 |
| 488 | mathematical concepts | 15 | 281 | 82 | 86 |
| 489 | Emergency Medical Services | 7 | 280 | 576 | 285 |
| 489 | Ecological Engineering | 5 | 280 | 538 | 415 |
| 489 | Signal Processing | 28 | 280 | 540 | 948 |
| 492 | Mining Engineering | 4 | 279 | 535 | 268 |
| 493 | sustainability | 3 | 278 | 914 | 658 |
| 494 | Algae | 8 | 275 | 533 | 510 |
| 495 | United Kingdom | 9 | 270 | 1141 | 1334 |
| 496 | Speech | 8 | 269 | 596 | 577 |
| 497 | Geographic information systems | 17 | 267 | 304 | 370 |
| 498 | Lightweight concrete | 4 | 266 | 358 | 388 |
| 498 | Plant diseases | 5 | 266 | 1865 | 1183 |
| 500 | phase diagrams | 9 | 262 | 85 | 59 |
| 500 | supercritical fluids | 10 | 262 | 170 | 222 |
| 502 | Pesticides | 3 | 257 | 793 | 276 |
| 503 | research and development | 8 | 254 | 111 | 169 |
| 504 | Hypertension | 1 | 253 | 3111 | 1851 |
| 504 | Cardiovascular system | 1 | 253 | 3011 | 1948 |
| 506 | Functional Analysis | 13 | 252 | 683 | 604 |
| 507 | Seismology | 8 | 251 | 362 | 305 |
| 508 | Aging | 8 | 250 | 2374 | 2099 |
| 509 | Audiology | 18 | 247 | 335 | 548 |
| 509 | nuclear power | 12 | 247 | 253 | 164 |
| 511 | Cognitive Science | 12 | 246 | 751 | 1098 |
| 511 | Immunity | 6 | 246 | 1815 | 2352 |
| 513 | Radio | 30 | 245 | 162 | 320 |
| 514 | Epidemiology | 8 | 243 | 3199 | 3076 |
| 514 | Obesity | 6 | 243 | 1902 | 1912 |
| 516 | Geomagnetism | 5 | 239 | 627 | 415 |
| 516 | Exercise | 14 | 239 | 619 | 727 |
| 518 | Environmental Economics | 7 | 238 | 214 | 187 |
| 519 | Asia | 6 | 237 | 2412 | 1217 |
| 519 | genome | 13 | 237 | 878 | 1832 |
| 521 | Plant Ecology | 7 | 235 | 1401 | 1526 |
| 521 | brain mapping | 1 | 235 | 1273 | 668 |
| 523 | Biometrics | 10 | 233 | 705 | 734 |
| 524 | Pharmacogenetics | 7 | 232 | 861 | 959 |
| 524 | Genetic therapy | 7 | 232 | 1064 | 1225 |
| 526 | Multimedia Systems | 11 | 231 | 853 | 670 |
| 526 | Social behavior | 9 | 231 | 726 | 870 |
| 528 | Proteomics | 5 | 230 | 1100 | 1008 |
| 528 | Communication | 23 | 230 | 705 | 1072 |
| 530 | Quantum Gravity | 12 | 228 | 1414 | 1485 |
| 531 | environmental indicators | 7 | 227 | 780 | 939 |
| 531 | Pest control | 2 | 227 | 232 | 27 |
| 533 | Mesoporous materials | 5 | 224 | 64 | 63 |
| 533 | DNA polymerases | 3 | 224 | 558 | 771 |
| 535 | Crystallization | 13 | 223 | 201 | 196 |
| 536 | Latin America | 13 | 222 | 766 | 371 |
| 536 | Antarctica | 13 | 222 | 215 | 203 |
| 538 | Archaeology | 4 | 221 | 1414 | 764 |
| 539 | Bacterial infections | 5 | 220 | 864 | 1009 |
| 540 | Environmental Geology | 11 | 219 | 821 | 1098 |
| 541 | Paleoecology | 5 | 214 | 955 | 831 |
| 541 | Paleogeography | 5 | 214 | 832 | 753 |
| 541 | city planning | 17 | 214 | 653 | 959 |
| 544 | Superconductors | 13 | 212 | 310 | 321 |
| 544 | Calculus of Variations | 9 | 212 | 276 | 199 |
| 544 | Technological Innovations | 13 | 212 | 346 | 607 |
| 544 | Sites | 1 | 212 | 1076 | 490 |
| 548 | Psychiatry | 11 | 211 | 3152 | 3876 |
| 549 | Host-parasite interactions | 4 | 209 | 1393 | 1649 |
| 550 | Psychometrics | 3 | 208 | 493 | 332 |
| 551 | Electrophoresis | 10 | 203 | 1077 | 1286 |
| 551 | Production Management | 4 | 203 | 1038 | 1056 |
| 553 | Sports | 20 | 202 | 900 | 1290 |
| 554 | Logic | 12 | 201 | 189 | 157 |
| 555 | Quality Control | 24 | 198 | 436 | 1263 |
| 556 | Medical genetics | 2 | 197 | 4096 | 3218 |
| 557 | body temperature | 12 | 195 | 126 | 229 |
| 557 | Chromatographic analysis | 6 | 195 | 1633 | 1226 |
| 557 | carbon monoxide | 7 | 195 | 129 | 251 |
| 560 | Embryology | 10 | 190 | 1139 | 1736 |
| 561 | Structural health monitoring | 3 | 188 | 225 | 132 |
| 561 | Proteome | 5 | 188 | 1161 | 1253 |
| 563 | Evolutionary economics | 9 | 186 | 46 | 91 |
| 563 | RNA | 1 | 186 | 1082 | 556 |
| 565 | Software Maintenance | 6 | 183 | 78 | 49 |
| 565 | Population Dynamics | 7 | 183 | 82 | 114 |
| 567 | Information Technology | 25 | 181 | 704 | 1497 |
| 568 | Information Systems | 6 | 180 | 1150 | 1074 |
| 569 | Geothermal Energy | 3 | 179 | 282 | 151 |
| 570 | Computational Intelligence | 1 | 178 | 2051 | 410 |
| 571 | Economic History | 12 | 177 | 2259 | 2055 |
| 572 | Tissue Engineering | 2 | 176 | 473 | 226 |
| 573 | Pediatrics | 1 | 175 | 5069 | 2793 |
| 573 | Seaweed | 5 | 175 | 520 | 546 |
| 575 | Ferroelectricity | 21 | 174 | 274 | 400 |
| 576 | Entrepreneurship | 4 | 173 | 974 | 933 |
| 576 | Chemical analysis | 5 | 173 | 1132 | 980 |
| 578 | Diabetes mellitus | 2 | 172 | 3290 | 2527 |
| 579 | Solar System | 17 | 171 | 425 | 740 |
| 580 | Informatics | 17 | 170 | 237 | 732 |
| 581 | Speech Perception | 5 | 169 | 177 | 174 |
| 581 | auditory perception | 5 | 169 | 232 | 222 |
| 581 | Oral communication | 5 | 169 | 327 | 235 |
| 584 | Telecommunication Systems | 14 | 168 | 685 | 940 |
| 584 | Soil Science | 11 | 168 | 1103 | 1653 |
| 584 | Information Retrieval | 2 | 168 | 699 | 361 |
| 587 | X-ray crystallography | 15 | 167 | 247 | 365 |
| 588 | Speech-Language Pathology | 6 | 166 | 167 | 134 |
| 588 | automatic speech recognition | 6 | 166 | 64 | 82 |
| 590 | Surface properties | 7 | 163 | 781 | 1178 |
| 590 | Europa | 8 | 163 | 287 | 365 |
| 592 | Photobiology | 8 | 162 | 902 | 1116 |
| 593 | economic policy | 8 | 161 | 1851 | 1432 |
| 593 | Chromatography | 5 | 161 | 1567 | 1282 |
| 595 | pigments | 9 | 157 | 441 | 619 |
| 596 | Cognitive neuroscience | 5 | 156 | 876 | 1056 |
| 597 | freshwater biology | 5 | 154 | 834 | 779 |
| 598 | Chronobiology | 1 | 153 | 941 | 299 |
| 598 | Circadian rhythms | 1 | 153 | 684 | 272 |
| 598 | biological clocks | 1 | 153 | 941 | 299 |
| 598 | circadian rhythm | 1 | 153 | 941 | 299 |
| 598 | biological rhythms | 1 | 153 | 898 | 295 |
| 603 | Medical Physics | 11 | 152 | 1128 | 1480 |
| 603 | Gene expression regulation | 3 | 152 | 1317 | 1116 |
| 603 | Genetic regulation | 3 | 152 | 1549 | 1486 |
| 606 | human behavior | 14 | 151 | 1271 | 2994 |
| 607 | biomedicine | 5 | 150 | 764 | 716 |
| 608 | World Wide Web | 5 | 149 | 286 | 168 |
| 608 | Biodiversity | 9 | 149 | 1573 | 2192 |
| 610 | Nanochemistry | 8 | 148 | 717 | 834 |
| 610 | Algal blooms | 1 | 148 | 609 | 356 |
| 610 | Cyanobacteria | 1 | 148 | 609 | 356 |
| 610 | microalgae | 1 | 148 | 609 | 356 |
| 614 | Nanoelectronics | 26 | 146 | 177 | 470 |
| 615 | peptides | 3 | 145 | 1148 | 581 |
| 615 | chromatin | 5 | 145 | 78 | 185 |
| 615 | amino acids | 3 | 145 | 709 | 566 |
| 618 | wood | 9 | 143 | 263 | 291 |
| 619 | Animal ecology | 3 | 139 | 1410 | 1094 |
| 619 | Documentation | 1 | 139 | 786 | 245 |
| 619 | Population | 6 | 139 | 832 | 881 |
| 622 | Social Psychology | 15 | 138 | 1017 | 1993 |
| 622 | Sports Medicine | 9 | 138 | 1909 | 2052 |
| 622 | Regional Development | 2 | 138 | 372 | 220 |
| 622 | Developmental Disabilities | 6 | 138 | 813 | 1119 |
| 622 | Development planning | 2 | 138 | 324 | 201 |
| 622 | Economic planning | 2 | 138 | 709 | 353 |
| 628 | Fermentation | 2 | 137 | 416 | 186 |
| 629 | Intellectual Property | 3 | 136 | 211 | 25 |
| 629 | patents | 3 | 136 | 138 | 47 |
| 631 | Semiconductor industry | 22 | 135 | 162 | 392 |
| 632 | Sedimentary rocks | 4 | 134 | 603 | 565 |
| 633 | Optoelectronic devices | 10 | 133 | 395 | 361 |
| 634 | Pharmacy | 2 | 132 | 3226 | 2091 |
| 635 | Number Theory | 12 | 131 | 408 | 296 |
| 636 | Operator theory | 3 | 130 | 472 | 98 |
| 637 | Endocrinology | 3 | 129 | 3984 | 3720 |
| 638 | Strategic planning | 5 | 125 | 603 | 673 |
| 639 | Microwave devices | 8 | 124 | 63 | 37 |
| 640 | Cartography | 13 | 123 | 171 | 217 |
| 640 | Municipal Engineering | 5 | 123 | 247 | 255 |
| 640 | Sound | 10 | 123 | 343 | 392 |
| 643 | Urban Planning | 14 | 122 | 110 | 363 |
| 643 | Quantum electronics | 13 | 122 | 395 | 544 |
| 643 | Formal Languages | 6 | 122 | 114 | 61 |
| 643 | Parasitology | 3 | 122 | 2975 | 2327 |
| 643 | Parasitic Diseases | 3 | 122 | 2694 | 2285 |
| 643 | Cosmochemistry | 6 | 122 | 734 | 987 |
| 643 | Bacteria | 3 | 122 | 441 | 596 |
| 650 | Technology Assessment | 7 | 120 | 122 | 404 |
| 651 | Roads | 9 | 119 | 489 | 514 |
| 652 | Otolaryngology | 2 | 118 | 962 | 600 |
| 653 | Paleontology | 9 | 117 | 930 | 1118 |
| 654 | Social Movements | 3 | 116 | 122 | 54 |
| 654 | Regional Economics | 3 | 116 | 500 | 368 |
| 656 | Mass Spectrometry | 7 | 115 | 956 | 1253 |
| 657 | air quality management | 3 | 114 | 604 | 555 |
| 657 | Antibodies | 4 | 114 | 762 | 797 |
| 657 | Antigens | 4 | 114 | 1026 | 1041 |
| 660 | Power Electronics | 8 | 112 | 382 | 506 |
| 660 | Input-output analysis | 4 | 112 | 227 | 248 |
| 662 | Surface-Active Agents | 6 | 111 | 810 | 1361 |
| 662 | Mental Disorders | 3 | 111 | 3954 | 3704 |
| 662 | Virulence | 2 | 111 | 1762 | 1994 |
| 665 | Stochastic Processes | 12 | 110 | 391 | 659 |
| 665 | Synaptic Transmission | 4 | 110 | 517 | 610 |
| 665 | Iron | 1 | 110 | 781 | 337 |
| 665 | Nitric oxide | 1 | 110 | 822 | 343 |
| 669 | Geography | 8 | 109 | 1712 | 2231 |
| 670 | Educational Psychology | 5 | 108 | 1231 | 1328 |
| 670 | Collective behavior | 1 | 108 | 210 | 57 |
| 672 | Health Education | 5 | 107 | 1872 | 1952 |
| 672 | natural gas | 6 | 107 | 280 | 386 |
| 672 | winds | 6 | 107 | 51 | 43 |
| 675 | Applied Sciences | 1 | 106 | 51 | 62 |
| 675 | Applied Mechanics | 1 | 106 | 51 | 62 |
| 675 | air quality | 1 | 106 | 653 | 178 |
| 678 | Oncology | 3 | 105 | 2921 | 3446 |
| 678 | Popular Music | 1 | 105 | 210 | 7 |
| 678 | Heat | 51 | 105 | 3 | 23 |
| 681 | Neuropharmacology | 4 | 104 | 589 | 699 |
| 681 | Neurons | 1 | 104 | 1321 | 1559 |
| 683 | food handling | 5 | 103 | 735 | 1179 |
| 683 | language | 5 | 103 | 676 | 799 |
| 685 | Magnetic Resonance Imaging | 6 | 102 | 467 | 578 |
| 685 | Human Geography | 8 | 102 | 716 | 932 |
| 685 | Functional equations | 3 | 102 | 255 | 76 |
| 685 | Inflammation | 4 | 102 | 1398 | 1799 |
| 685 | Methodology | 8 | 102 | 213 | 296 |
| 685 | ethanol | 1 | 102 | 1128 | 522 |
| 685 | alcoholism | 1 | 102 | 2944 | 1768 |
| 692 | Land use | 3 | 101 | 1347 | 1334 |
| 692 | Nonlinear Optics | 4 | 101 | 236 | 146 |
| 692 | microwave communication systems | 6 | 101 | 76 | 77 |
| 692 | Transport | 2 | 101 | 944 | 772 |
| 696 | Neurolinguistics | 3 | 100 | 509 | 580 |
| 696 | Speech Disorders | 3 | 100 | 1225 | 1057 |
| 696 | Adaptive control systems | 4 | 100 | 526 | 398 |
| 696 | China | 7 | 100 | 2294 | 2857 |
| 700 | Intelligence | 4 | 99 | 222 | 292 |
| 701 | mycoses | 2 | 98 | 1356 | 1446 |
| 701 | Methods | 7 | 98 | 54 | 54 |
| 703 | Environmental Toxicology | 3 | 97 | 3012 | 3316 |
| 703 | Multivariate Analysis | 7 | 97 | 305 | 442 |
| 703 | occupational diseases | 2 | 97 | 1526 | 1215 |
| 703 | Freezing | 4 | 97 | 358 | 251 |
| 707 | Sedimentology | 2 | 96 | 911 | 717 |
| 707 | Combinatorial chemistry | 4 | 96 | 888 | 1212 |
| 707 | micromechanics | 6 | 96 | 424 | 623 |
| 707 | Synthetic biology | 7 | 96 | 191 | 359 |
| 707 | health planning | 13 | 96 | 1083 | 2167 |
| 712 | Human genetics | 1 | 95 | 4070 | 4262 |
| 712 | Plant Morphology | 5 | 95 | 492 | 538 |
| 712 | drug therapy | 4 | 95 | 2769 | 3061 |
| 712 | Vaccines | 2 | 95 | 2890 | 2347 |
| 716 | Public Administration | 4 | 93 | 1467 | 1087 |
| 716 | Microprocessors | 7 | 93 | 324 | 396 |
| 718 | Naval Architecture | 3 | 92 | 357 | 223 |
| 718 | Economic Development | 1 | 92 | 3312 | 2059 |
| 718 | Reading | 3 | 92 | 596 | 540 |
| 721 | Public Policy | 4 | 91 | 1930 | 2147 |
| 721 | Hydrometeorology | 2 | 91 | 314 | 397 |
| 721 | Thin Films | 9 | 91 | 274 | 464 |
| 721 | Shock Waves | 7 | 91 | 116 | 153 |
| 721 | Telecommunication | 10 | 91 | 1403 | 1861 |
| 726 | Environmental Psychology | 1 | 90 | 758 | 556 |
| 726 | Adsorption | 5 | 90 | 137 | 191 |
| 726 | Plasma devices | 8 | 90 | 183 | 325 |
| 729 | Labor Economics | 1 | 89 | 992 | 513 |
| 729 | Synchrotron Radiation | 4 | 89 | 386 | 373 |
| 729 | Labor Unions | 1 | 89 | 584 | 99 |
| 729 | industrial relations | 1 | 89 | 1600 | 704 |
| 729 | cryosphere | 3 | 89 | 447 | 504 |
| 734 | Production Planning | 3 | 87 | 283 | 350 |
| 734 | Production Control | 3 | 87 | 278 | 349 |
| 734 | starch | 5 | 87 | 303 | 371 |
| 737 | Intelligent Transportation Systems | 6 | 86 | 524 | 723 |
| 737 | Democracy | 1 | 86 | 735 | 172 |
| 737 | Democratization | 1 | 86 | 324 | 117 |
| 740 | Biodiversity conservation | 2 | 85 | 2413 | 2574 |
| 741 | Intellectual disability | 1 | 84 | 1773 | 957 |
| 742 | Bioremediation | 3 | 83 | 961 | 1101 |
| 742 | Medical Ethics | 4 | 83 | 1213 | 1043 |
| 742 | Urban Areas | 3 | 83 | 242 | 213 |
| 742 | Ore deposits | 3 | 83 | 591 | 591 |
| 746 | Urology | 3 | 82 | 2411 | 2442 |
| 746 | biofuels | 3 | 82 | 315 | 655 |
| 746 | Navier-Stokes equations | 5 | 82 | 96 | 69 |
| 746 | Heterocyclic compounds | 5 | 82 | 931 | 765 |
| 750 | Friction | 3 | 81 | 101 | 155 |
| 750 | Raman spectroscopy | 7 | 81 | 543 | 962 |
| 750 | cohesion | 2 | 81 | 17 | 23 |
| 753 | Medical Microbiology | 1 | 80 | 4498 | 3632 |
| 753 | Biomolecules | 4 | 80 | 407 | 787 |
| 755 | community development | 4 | 79 | 548 | 586 |
| 755 | water resources | 2 | 79 | 328 | 175 |
| 755 | Housing | 4 | 79 | 417 | 580 |
| 758 | Climate change | 2 | 78 | 1532 | 2113 |
| 759 | Eutrophication | 1 | 77 | 1815 | 2070 |
| 759 | Moon | 3 | 77 | 222 | 146 |
| 761 | Urban Policy | 2 | 76 | 1121 | 1029 |
| 761 | locomotion | 14 | 76 | 281 | 867 |
| 761 | posture | 14 | 76 | 281 | 867 |
| 761 | gait | 14 | 76 | 281 | 867 |
| 761 | drug evaluation | 3 | 76 | 1733 | 1721 |
| 761 | walking | 14 | 76 | 281 | 867 |
| 767 | Terahertz Technology | 4 | 75 | 24 | 20 |
| 768 | Surveying | 5 | 74 | 104 | 61 |
| 769 | Computational Linguistics | 6 | 73 | 355 | 368 |
| 769 | Magnetohydrodynamics | 2 | 73 | 420 | 322 |
| 771 | behavioral medicine | 5 | 72 | 1236 | 2208 |
| 771 | Growth | 2 | 72 | 1762 | 2085 |
| 771 | Fuzzy systems | 7 | 72 | 1186 | 1475 |
| 774 | Plate Tectonics | 3 | 71 | 306 | 299 |
| 774 | local government | 5 | 71 | 271 | 384 |
| 776 | microwave antennas | 3 | 70 | 496 | 363 |
| 776 | Political Participation | 4 | 70 | 286 | 345 |
| 776 | synthesis | 13 | 70 | 434 | 934 |
| 779 | Immunochemistry | 3 | 69 | 1364 | 1365 |
| 779 | Petroleum | 5 | 69 | 261 | 242 |
| 781 | Accreditation | 11 | 67 | 19 | 52 |
| 781 | Welding | 7 | 67 | 194 | 148 |
| 783 | Patient education | 1 | 66 | 1346 | 1080 |
| 783 | counseling | 1 | 66 | 2744 | 1704 |
| 783 | atmospheric models | 7 | 66 | 548 | 1056 |
| 786 | Clinical Biochemistry | 4 | 65 | 1525 | 1861 |
| 786 | calcification | 2 | 65 | 854 | 935 |
| 786 | Continental shelf | 1 | 65 | 779 | 666 |
| 786 | Combinatorial analysis | 11 | 65 | 618 | 799 |
| 790 | Geriatric Medicine | 1 | 64 | 361 | 228 |
| 790 | Information visualization | 16 | 64 | 20 | 106 |
| 790 | Human evolution | 1 | 64 | 840 | 700 |
| 790 | Gerontology | 1 | 64 | 3914 | 2284 |
| 794 | Genetic variation | 2 | 63 | 181 | 154 |
| 794 | Digital humanities | 11 | 63 | 11 | 92 |
| 796 | Semiotics | 4 | 62 | 321 | 152 |
| 797 | Health | 5 | 61 | 2335 | 3324 |
| 797 | Social Systems | 2 | 61 | 332 | 126 |
| 797 | Drying | 2 | 61 | 553 | 501 |
| 797 | herbicides | 1 | 61 | 576 | 380 |
| 797 | Soil ecology | 2 | 61 | 1098 | 1261 |
| 802 | Sea | 1 | 60 | 1142 | 848 |
| 802 | Fishery resources | 1 | 60 | 1279 | 934 |
| 802 | Fisheries | 1 | 60 | 3088 | 2079 |
| 805 | Digital electronics | 5 | 59 | 256 | 241 |
| 805 | Biotransformation | 6 | 59 | 45 | 100 |
| 807 | internet | 6 | 58 | 922 | 1424 |
| 807 | drugs | 2 | 58 | 3427 | 3263 |
| 807 | Social structure | 2 | 58 | 39 | 5 |
| 810 | Interferons | 3 | 57 | 343 | 490 |
| 810 | sports injuries | 2 | 57 | 867 | 680 |
| 812 | Histochemistry | 6 | 56 | 921 | 1525 |
| 812 | Hormones | 1 | 56 | 2605 | 2205 |
| 812 | Middle East | 4 | 56 | 1008 | 889 |
| 812 | vitamins | 1 | 56 | 389 | 339 |
| 816 | Hematology | 3 | 55 | 4162 | 4139 |
| 817 | Nonparametric Statistics | 2 | 54 | 243 | 129 |
| 817 | Watershed management | 4 | 54 | 162 | 225 |
| 817 | Cell survival | 1 | 54 | 559 | 456 |
| 817 | molecular chaperones | 1 | 54 | 630 | 459 |
| 821 | radiative transfer | 5 | 53 | 551 | 717 |
| 821 | Water Microbiology | 3 | 53 | 542 | 834 |
| 821 | insurance | 2 | 53 | 528 | 445 |
| 821 | Communication in politics | 1 | 53 | 555 | 220 |
| 821 | electrocatalysis | 2 | 53 | 143 | 125 |
| 821 | Synapses | 1 | 53 | 624 | 524 |
| 821 | population geography | 1 | 53 | 823 | 541 |
| 828 | Biodegradation | 2 | 52 | 1098 | 1354 |
| 828 | Social policy | 3 | 52 | 1198 | 1176 |
| 828 | Soil fertility | 1 | 52 | 704 | 722 |
| 828 | Australia | 3 | 52 | 2481 | 2469 |
| 828 | Catalyst | 1 | 52 | 93 | 142 |
| 828 | Fouling | 2 | 52 | 365 | 508 |
| 834 | Psychoneuroimmunology | 3 | 51 | 838 | 1428 |
| 834 | Forest Ecology | 3 | 51 | 1252 | 1713 |
| 834 | Food Microbiology | 3 | 51 | 1547 | 2415 |
| 834 | Lattice Theory | 6 | 51 | 123 | 125 |
| 834 | Social Issues | 2 | 51 | 347 | 427 |
| 834 | Neuroimmunology | 3 | 51 | 922 | 1558 |
| 834 | Carbohydrates | 3 | 51 | 550 | 855 |
| 834 | biocatalysis | 2 | 51 | 263 | 595 |
| 834 | Homogeneous catalysis | 2 | 51 | 263 | 595 |
| 834 | Heterogeneous catalysis | 2 | 51 | 263 | 595 |
| 834 | Primates | 2 | 51 | 1126 | 1053 |
| 845 | Swarm Intelligence | 2 | 50 | 372 | 484 |
| 846 | Optoelectronics | 4 | 49 | 525 | 501 |
| 846 | Highway Engineering | 5 | 49 | 313 | 505 |
| 846 | Oxidation | 1 | 49 | 385 | 266 |
| 849 | Machine Learning | 7 | 48 | 206 | 545 |
| 849 | Africa | 3 | 48 | 2022 | 1757 |
| 849 | Building | 2 | 48 | 931 | 707 |
| 849 | organization | 3 | 48 | 868 | 1209 |
| 853 | Distance Education | 1 | 47 | 1048 | 618 |
| 853 | Earthquakes | 5 | 47 | 341 | 492 |
| 853 | Textile industry | 5 | 47 | 491 | 549 |
| 853 | Muscle contraction | 5 | 47 | 207 | 199 |
| 857 | Ethics | 6 | 46 | 764 | 1216 |
| 858 | Fractional Calculus | 5 | 45 | 75 | 202 |
| 858 | Stem cells | 2 | 45 | 2430 | 2794 |
| 858 | Chemical structure | 4 | 45 | 470 | 539 |
| 858 | free radicals | 4 | 45 | 1615 | 2723 |
| 858 | Oxidation-reduction | 3 | 45 | 1027 | 1843 |
| 863 | International Relations | 6 | 44 | 982 | 1103 |
| 863 | Superconductivity | 5 | 44 | 413 | 619 |
| 863 | movement | 1 | 44 | 711 | 636 |
| 866 | Quantum Computing | 3 | 43 | 190 | 327 |
| 866 | History of Medicine | 18 | 43 | 147 | 302 |
| 866 | Heterocyclic chemistry | 3 | 43 | 640 | 513 |
| 866 | libraries | 1 | 43 | 1624 | 662 |
| 866 | industrial location | 10 | 43 | 22 | 28 |
| 871 | Cloud Computing | 2 | 42 | 331 | 359 |
| 871 | Marine Geology | 2 | 42 | 835 | 899 |
| 871 | Cryptography | 4 | 42 | 620 | 639 |
| 871 | Petroleum Geology | 2 | 42 | 722 | 836 |
| 871 | Health promotion | 6 | 42 | 1331 | 2585 |
| 871 | Decision making | 7 | 42 | 1060 | 2372 |
| 877 | Transportation Engineering | 1 | 41 | 756 | 572 |
| 877 | biological factors | 4 | 41 | 2051 | 3094 |
| 877 | planning | 2 | 41 | 1102 | 1051 |
| 880 | Rheumatology | 1 | 40 | 2479 | 2235 |
| 880 | Developmental Psychology | 1 | 40 | 1957 | 1732 |
| 880 | Social perception | 1 | 40 | 258 | 247 |
| 880 | Fiber Optics | 7 | 40 | 315 | 565 |
| 880 | isomerism | 2 | 40 | 504 | 505 |
| 880 | personality | 2 | 40 | 1932 | 2318 |
| 880 | administrative agencies | 1 | 40 | 606 | 391 |
| 880 | arthritis | 1 | 40 | 2438 | 2569 |
| 880 | Chirality | 2 | 40 | 504 | 505 |
| 889 | Cognitive Psychology | 4 | 38 | 382 | 553 |
| 889 | Computer Architecture | 3 | 38 | 536 | 603 |
| 889 | Discrete geometry | 8 | 38 | 127 | 303 |
| 892 | Nuclear Chemistry | 4 | 37 | 1201 | 1411 |
| 892 | glycoproteins | 2 | 37 | 754 | 1057 |
| 892 | Glycoconjugates | 2 | 37 | 754 | 1057 |
| 892 | feeding behavior | 1 | 37 | 1552 | 1546 |
| 892 | Auditing | 1 | 37 | 693 | 587 |
| 892 | glycolipids | 2 | 37 | 754 | 1057 |
| 892 | Appetite | 1 | 37 | 1390 | 1390 |
| 899 | Traffic Engineering | 4 | 36 | 361 | 793 |
| 899 | Erosion | 2 | 36 | 118 | 227 |
| 899 | atmosphere | 4 | 36 | 817 | 1514 |
| 899 | Cellulose | 1 | 36 | 1294 | 1249 |
| 899 | antibiotics | 1 | 36 | 854 | 779 |
| 899 | Cell communication | 1 | 36 | 1724 | 1732 |
| 905 | Telemedicine | 1 | 35 | 1058 | 969 |
| 905 | Adhesion | 4 | 35 | 618 | 1080 |
| 905 | Hydraulic machinery | 3 | 35 | 141 | 161 |
| 905 | adhesives | 4 | 35 | 667 | 1096 |
| 905 | Minerals | 2 | 35 | 1170 | 1425 |
| 910 | Chemical kinetics | 3 | 34 | 901 | 920 |
| 910 | Microwave circuits | 5 | 34 | 70 | 111 |
| 910 | Bipolar Disorder | 1 | 34 | 774 | 812 |
| 910 | Neuromuscular diseases | 2 | 34 | 1077 | 1400 |
| 910 | Muscles | 2 | 34 | 1396 | 1909 |
| 910 | Autonomous robots | 3 | 34 | 166 | 409 |
| 910 | Radio frequency | 5 | 34 | 256 | 498 |
| 917 | Educational Technology | 3 | 33 | 1767 | 2374 |
| 917 | Forecasting | 2 | 33 | 802 | 916 |
| 917 | psychotherapy | 2 | 33 | 1994 | 2236 |
| 917 | Food preferences | 1 | 33 | 789 | 852 |
| 917 | Archives | 1 | 33 | 302 | 78 |
| 922 | Historic Preservation | 1 | 32 | 288 | 164 |
| 922 | Bioethics | 2 | 32 | 1347 | 1397 |
| 922 | reasoning | 2 | 32 | 559 | 670 |
| 925 | Radiology | 2 | 31 | 2583 | 2545 |
| 925 | Vocational Education | 4 | 31 | 487 | 802 |
| 925 | cosmic rays | 2 | 31 | 736 | 789 |
| 925 | Microfabrication | 5 | 31 | 293 | 727 |
| 925 | Mycology | 2 | 31 | 2398 | 2792 |
| 925 | Interfaces | 3 | 31 | 339 | 546 |
| 925 | Fungi | 2 | 31 | 1494 | 1943 |
| 932 | Marine Ecology | 1 | 30 | 1465 | 1337 |
| 932 | Space telescopes | 3 | 30 | 209 | 284 |
| 932 | nuclear spectroscopy | 1 | 30 | 8 | 8 |
| 932 | Wireless Communication | 1 | 30 | 959 | 658 |
| 932 | Radio wave propagation | 3 | 30 | 945 | 1138 |
| 932 | Fossil fuels | 1 | 30 | 204 | 46 |
| 932 | Detectors | 6 | 30 | 674 | 1340 |
| 932 | Radiation effects | 1 | 30 | 1321 | 1430 |
| 932 | venom | 1 | 30 | 1861 | 1558 |
| 932 | Toxins | 1 | 30 | 2011 | 1692 |
| 942 | Epigenetics | 1 | 29 | 520 | 482 |
| 942 | Epigenomics | 1 | 29 | 510 | 473 |
| 942 | Sonochemistry | 1 | 29 | 1226 | 1597 |
| 942 | Respiration | 4 | 29 | 1705 | 3041 |
| 942 | Navigation | 5 | 29 | 357 | 585 |
| 947 | Computer Engineering | 4 | 28 | 761 | 1365 |
| 947 | Pathology | 1 | 28 | 4556 | 4738 |
| 947 | Nanomedicine | 1 | 28 | 605 | 721 |
| 947 | Social History | 2 | 28 | 758 | 573 |
| 947 | Queuing Theory | 2 | 28 | 236 | 267 |
| 947 | Antibacterial agents | 2 | 28 | 1160 | 1820 |
| 947 | older people | 1 | 28 | 3374 | 2458 |
| 947 | Oligosaccharides | 1 | 28 | 589 | 685 |
| 947 | Administration | 1 | 28 | 198 | 141 |
| 947 | disaster relief | 1 | 28 | 560 | 540 |
| 947 | Kidney diseases | 1 | 28 | 2004 | 2024 |
| 958 | Soil dynamics | 2 | 27 | 641 | 902 |
| 958 | Molecular recognition | 1 | 27 | 554 | 566 |
| 958 | Developing countries | 6 | 27 | 2044 | 4304 |
| 958 | Marine mammals | 1 | 27 | 578 | 576 |
| 962 | Photography | 17 | 26 | 881 | 1311 |
| 962 | Health Policy | 3 | 26 | 3113 | 4641 |
| 962 | food contamination | 2 | 26 | 1633 | 1995 |
| 962 | immunoassay | 2 | 26 | 317 | 350 |
| 962 | biological monitoring | 2 | 26 | 784 | 1330 |
| 962 | educational innovations | 2 | 26 | 738 | 923 |
| 968 | Economic Geography | 2 | 25 | 522 | 677 |
| 968 | Regenerative Medicine | 1 | 25 | 378 | 318 |
| 968 | Topology | 4 | 25 | 321 | 410 |
| 968 | Language and Logic | 1 | 25 | 231 | 119 |
| 968 | pain management | 1 | 25 | 1506 | 1438 |
| 968 | Semigroups | 6 | 25 | 176 | 285 |
| 968 | pain | 1 | 25 | 2842 | 2922 |
| 968 | international cooperation | 1 | 25 | 1332 | 1362 |
| 976 | Fertilization | 1 | 24 | 174 | 211 |
| 976 | Underwater acoustics | 2 | 24 | 109 | 132 |
| 976 | Powder Metallurgy | 2 | 24 | 573 | 415 |
| 976 | Real-time Data Processing | 1 | 24 | 265 | 254 |
| 976 | Mental illness | 1 | 24 | 4008 | 4319 |
| 976 | hygiene | 2 | 24 | 826 | 1276 |
| 976 | gametes | 1 | 24 | 174 | 211 |
| 983 | Literature | 11 | 23 | 485 | 325 |
| 983 | Molecular Pharmacology | 1 | 23 | 1591 | 1999 |
| 983 | Organizational Behavior | 3 | 23 | 644 | 1141 |
| 983 | Wireless Sensor Networks | 3 | 23 | 29 | 58 |
| 983 | Arboriculture | 1 | 23 | 158 | 79 |
| 983 | Marine biodiversity | 2 | 23 | 405 | 441 |
| 983 | Sequential Analysis | 2 | 23 | 122 | 98 |
| 983 | Imaging systems | 3 | 23 | 901 | 1269 |
| 983 | econometric models | 2 | 23 | 873 | 1205 |
| 992 | Nutrition physiology | 8 | 22 | 454 | 1822 |
| 992 | Virtual reality | 2 | 22 | 543 | 766 |
| 992 | touch | 2 | 22 | 49 | 45 |
| 992 | Detergents | 7 | 22 | 22 | 63 |
| 992 | drug development | 1 | 22 | 2340 | 2974 |
| 992 | European Union | 2 | 22 | 232 | 308 |
| 992 | Fossils | 2 | 22 | 65 | 72 |
| 999 | Radiography | 3 | 21 | 823 | 1463 |
| 999 | Diagnosis | 3 | 21 | 784 | 1449 |