| 1 | Chemistry | 1,674 | 176.1K | 227 | 92 |
| 2 | Physics | 1,558 | 91.9K | 260 | 317 |
| 3 | Materials | 1,201 | 87.7K | 121 | 78 |
| 4 | Nanotechnology | 951 | 62.2K | 91 | 88 |
| 5 | Chemical Engineering | 636 | 62.1K | 110 | 26 |
| 6 | Biology | 606 | 48.3K | 471 | 497 |
| 7 | Materials Science | 604 | 44.4K | 143 | 85 |
| 8 | Pollution | 651 | 41.7K | 91 | 85 |
| 9 | Telecommunication | 553 | 38.2K | 34 | 23 |
| 10 | Biotechnology | 387 | 38.1K | 248 | 124 |
| 11 | Biochemistry | 571 | 37.9K | 636 | 390 |
| 12 | Science | 597 | 36.7K | 495 | 606 |
| 13 | Water pollution | 393 | 34.5K | 20 | 12 |
| 14 | Artificial Intelligence | 639 | 34.4K | 38 | 37 |
| 15 | Biochemical Engineering | 211 | 33.9K | 144 | 56 |
| 16 | Environmental Engineering | 507 | 33.9K | 54 | 46 |
| 17 | Biocompatible Materials | 406 | 33.0K | 129 | 82 |
| 18 | Bioengineering | 207 | 31.5K | 263 | 93 |
| 19 | Water | 302 | 30.7K | 45 | 20 |
| 20 | Signal Processing | 706 | 30.3K | 23 | 44 |
| 21 | Environmental Health | 419 | 29.0K | 163 | 119 |
| 22 | Wireless Communication Systems | 795 | 28.9K | 8 | 11 |
| 23 | Solid State Physics | 791 | 28.2K | 134 | 133 |
| 24 | Molecular Biology | 452 | 26.4K | 521 | 481 |
| 25 | Condensed Matter | 755 | 25.8K | 131 | 152 |
| 26 | Optical materials | 356 | 24.2K | 66 | 47 |
| 27 | nanoscience | 335 | 23.4K | 85 | 84 |
| 28 | sanitation | 256 | 22.8K | 42 | 39 |
| 29 | management | 215 | 21.6K | 162 | 111 |
| 30 | Soil Mechanics | 397 | 21.1K | 8 | 8 |
| 31 | Economics | 333 | 20.8K | 204 | 99 |
| 32 | Composite Materials | 237 | 20.6K | 99 | 44 |
| 33 | Polymers | 447 | 20.6K | 214 | 143 |
| 34 | Nanostructured Materials | 343 | 20.3K | 109 | 72 |
| 35 | Nuclear Physics | 468 | 20.0K | 427 | 359 |
| 36 | Catalysis | 316 | 19.9K | 221 | 156 |
| 37 | Electronics | 516 | 18.0K | 86 | 73 |
| 38 | Computer Graphics | 443 | 17.8K | 14 | 22 |
| 39 | Engineering Geology | 293 | 17.7K | 17 | 10 |
| 40 | polymerization | 313 | 16.3K | 225 | 140 |
| 41 | Renewable Energy Sources | 88 | 16.2K | 208 | 56 |
| 42 | nuclear magnetic resonance | 26 | 15.7K | 330 | 9 |
| 43 | Electrochemistry | 351 | 15.5K | 158 | 85 |
| 44 | nuclear magnetic resonance spectroscopy | 17 | 15.4K | 229 | 4 |
| 45 | Automation | 307 | 15.3K | 58 | 78 |
| 46 | environmental pollution | 342 | 15.3K | 120 | 130 |
| 47 | Cytology | 226 | 14.6K | 382 | 418 |
| 48 | Geotechnical Engineering | 282 | 13.5K | 3 | 2 |
| 49 | Surface Chemistry | 235 | 13.3K | 229 | 133 |
| 50 | Colloids | 206 | 12.7K | 281 | 156 |
| 51 | Energy Conversion | 131 | 12.4K | 65 | 70 |
| 52 | Database Management | 324 | 12.4K | 2 | 8 |
| 53 | Analytical Chemistry | 291 | 12.3K | 232 | 189 |
| 54 | miniaturization | 163 | 12.2K | 95 | 102 |
| 55 | Optics | 440 | 12.2K | 228 | 168 |
| 56 | Ecology | 265 | 12.0K | 509 | 590 |
| 57 | Environmental Chemistry | 138 | 11.9K | 70 | 77 |
| 58 | Building Materials | 187 | 11.6K | 57 | 37 |
| 59 | Operations Research | 229 | 11.0K | 50 | 39 |
| 60 | Image Processing | 276 | 10.9K | 56 | 88 |
| 61 | Transportation | 266 | 10.7K | 44 | 35 |
| 62 | Statistical physics | 355 | 10.7K | 237 | 212 |
| 63 | Cell Biology | 138 | 10.5K | 503 | 527 |
| 64 | Microelectronics | 146 | 10.4K | 118 | 109 |
| 65 | Research | 338 | 10.3K | 626 | 691 |
| 66 | Environment | 183 | 10.3K | 419 | 519 |
| 67 | Medicine | 249 | 10.0K | 1052 | 1058 |
| 68 | fuel cells | 120 | 9.8K | 68 | 55 |
| 69 | Neurology | 183 | 9.7K | 660 | 630 |
| 70 | Information Technology | 101 | 9.6K | 118 | 24 |
| 71 | Natural history | 32 | 9.4K | 1060 | 895 |
| 72 | Manufacturing Processes | 118 | 9.0K | 165 | 42 |
| 73 | energy conservation | 134 | 9.0K | 81 | 76 |
| 74 | energy development | 13 | 8.9K | 242 | 18 |
| 75 | computer networks | 300 | 8.8K | 34 | 50 |
| 76 | Robotics | 112 | 8.8K | 92 | 31 |
| 77 | finance | 193 | 8.8K | 39 | 43 |
| 78 | Nonlinear Dynamics | 206 | 8.6K | 123 | 77 |
| 79 | marketing | 60 | 8.5K | 243 | 98 |
| 80 | Production Management | 137 | 8.4K | 25 | 29 |
| 81 | Databases | 219 | 8.4K | 2 | 4 |
| 82 | Industrial Engineering | 239 | 8.3K | 25 | 26 |
| 83 | visualization | 270 | 8.2K | 15 | 7 |
| 84 | Information Theory | 177 | 8.0K | 52 | 52 |
| 85 | Mathematics | 364 | 7.8K | 473 | 295 |
| 86 | Biomedical Engineering | 227 | 7.7K | 317 | 330 |
| 87 | mass transfer | 118 | 7.6K | 86 | 41 |
| 88 | Rock Mechanics | 140 | 7.6K | 34 | 28 |
| 89 | Geophysics | 231 | 7.4K | 355 | 392 |
| 90 | Marine Biology | 155 | 7.4K | 201 | 140 |
| 91 | Carbon | 70 | 7.4K | 93 | 45 |
| 92 | concrete | 93 | 7.3K | 59 | 48 |
| 93 | China | 249 | 7.3K | 110 | 73 |
| 94 | environmental protection | 91 | 7.1K | 297 | 134 |
| 95 | Mobile Computing | 252 | 7.1K | 3 | 8 |
| 96 | Environmental monitoring | 139 | 6.8K | 234 | 233 |
| 97 | Social Psychology | 93 | 6.8K | 268 | 178 |
| 98 | Radio | 84 | 6.6K | 188 | 109 |
| 99 | Parallel Processing | 128 | 6.5K | 6 | 3 |
| 100 | Photonics | 185 | 6.5K | 118 | 166 |
| 101 | Economic History | 159 | 6.4K | 218 | 84 |
| 102 | Environmental Geology | 147 | 6.4K | 20 | 18 |
| 103 | Econometrics | 122 | 6.2K | 62 | 82 |
| 104 | Nanoparticles | 128 | 6.2K | 80 | 78 |
| 105 | Microbiology | 181 | 6.1K | 754 | 958 |
| 106 | Atmospheric Physics | 166 | 6.1K | 129 | 167 |
| 107 | Business | 79 | 5.9K | 179 | 160 |
| 107 | Communication | 47 | 5.9K | 387 | 99 |
| 109 | Decision making | 46 | 5.9K | 179 | 48 |
| 110 | internet | 186 | 5.9K | 26 | 40 |
| 111 | commerce | 56 | 5.8K | 106 | 84 |
| 112 | Developing countries | 67 | 5.8K | 226 | 73 |
| 113 | Internet of Things | 181 | 5.7K | 24 | 40 |
| 114 | Biophysics | 170 | 5.6K | 745 | 732 |
| 115 | Medical Laboratory Science | 74 | 5.6K | 222 | 145 |
| 116 | Metallurgy | 105 | 5.5K | 269 | 191 |
| 117 | Economic Development | 73 | 5.5K | 131 | 71 |
| 118 | Toxicology | 155 | 5.5K | 450 | 474 |
| 119 | Psychology | 95 | 5.3K | 738 | 491 |
| 120 | Structural Engineering | 145 | 5.3K | 113 | 82 |
| 121 | United States | 94 | 5.0K | 698 | 437 |
| 122 | Public Health | 51 | 5.0K | 1184 | 568 |
| 123 | Earthquake Engineering | 124 | 4.9K | 94 | 81 |
| 124 | Engineering | 192 | 4.9K | 244 | 196 |
| 125 | organization | 35 | 4.9K | 124 | 83 |
| 126 | Multimedia Systems | 142 | 4.8K | 49 | 30 |
| 127 | Astrophysics | 30 | 4.8K | 1167 | 690 |
| 128 | Spectrum analysis | 34 | 4.8K | 1346 | 600 |
| 129 | Metals | 82 | 4.7K | 279 | 202 |
| 130 | Statistics | 160 | 4.6K | 196 | 197 |
| 131 | Oceanography | 148 | 4.6K | 155 | 208 |
| 132 | Magnetic Materials | 109 | 4.5K | 86 | 59 |
| 133 | Cement | 42 | 4.5K | 67 | 49 |
| 134 | Quantum Gravity | 117 | 4.4K | 447 | 392 |
| 135 | Physical Chemistry | 61 | 4.4K | 387 | 219 |
| 136 | Virology | 29 | 4.3K | 998 | 687 |
| 137 | Organometallic compounds | 111 | 4.1K | 34 | 33 |
| 138 | Developmental Biology | 74 | 4.1K | 317 | 338 |
| 139 | Environmental Policy | 66 | 4.1K | 429 | 368 |
| 140 | Atmospheric Chemistry | 81 | 4.0K | 135 | 173 |
| 141 | Organic Chemistry | 100 | 3.9K | 448 | 349 |
| 142 | Radio waves | 63 | 3.9K | 127 | 81 |
| 143 | Asia | 153 | 3.8K | 88 | 61 |
| 144 | Energy Storage | 79 | 3.8K | 81 | 75 |
| 145 | Pharmacology | 103 | 3.7K | 913 | 826 |
| 146 | Marine Pollution | 66 | 3.7K | 58 | 53 |
| 147 | Behavior | 41 | 3.7K | 733 | 482 |
| 148 | Structural dynamics | 90 | 3.6K | 68 | 74 |
| 149 | Technology | 148 | 3.6K | 321 | 377 |
| 150 | Systems Engineering | 102 | 3.6K | 129 | 100 |
| 151 | Membranes | 38 | 3.6K | 392 | 204 |
| 152 | economic conditions | 23 | 3.6K | 122 | 15 |
| 153 | Economic Thought | 22 | 3.6K | 40 | 12 |
| 154 | Biomass Energy | 54 | 3.6K | 401 | 309 |
| 155 | actuators | 99 | 3.5K | 137 | 160 |
| 155 | transducers | 99 | 3.5K | 137 | 160 |
| 157 | Nanostructures | 63 | 3.5K | 210 | 207 |
| 158 | human behavior | 32 | 3.5K | 603 | 405 |
| 159 | Process Control | 55 | 3.5K | 28 | 36 |
| 160 | Environmental Microbiology | 75 | 3.5K | 76 | 139 |
| 161 | Leadership | 12 | 3.5K | 126 | 25 |
| 162 | Computational Biology | 79 | 3.5K | 313 | 370 |
| 163 | Hydraulic Engineering | 123 | 3.3K | 51 | 54 |
| 164 | Human genetics | 16 | 3.3K | 1020 | 936 |
| 165 | Intelligent Transportation Systems | 130 | 3.3K | 40 | 68 |
| 166 | Environmental pollutants | 79 | 3.1K | 159 | 151 |
| 167 | Neurochemistry | 80 | 3.1K | 355 | 381 |
| 168 | pollutants | 78 | 3.1K | 124 | 125 |
| 169 | Landslides | 49 | 3.1K | 11 | 10 |
| 170 | Solid State Chemistry | 98 | 3.1K | 252 | 175 |
| 171 | Neurons | 22 | 3.0K | 183 | 247 |
| 172 | Evidence-Based Medicine | 59 | 3.0K | 81 | 24 |
| 173 | Pharmaceutical Chemistry | 76 | 2.9K | 716 | 649 |
| 174 | Biosensors | 65 | 2.9K | 89 | 155 |
| 175 | Microbial Ecology | 86 | 2.9K | 275 | 479 |
| 176 | Quantum electronics | 58 | 2.9K | 236 | 116 |
| 177 | Computer Vision | 71 | 2.8K | 82 | 161 |
| 177 | Neurophysiology | 49 | 2.8K | 670 | 617 |
| 179 | Biodegradation | 40 | 2.8K | 21 | 7 |
| 180 | Aerosols | 57 | 2.8K | 44 | 38 |
| 181 | Continental shelf | 27 | 2.8K | 74 | 22 |
| 182 | Bioinformatics | 73 | 2.8K | 244 | 329 |
| 183 | Organizational Behavior | 22 | 2.7K | 133 | 70 |
| 184 | Social Sciences | 60 | 2.7K | 585 | 260 |
| 185 | Lightweight concrete | 44 | 2.7K | 21 | 36 |
| 186 | Ocean Engineering | 85 | 2.7K | 168 | 166 |
| 187 | International Finance | 52 | 2.7K | 164 | 86 |
| 188 | Radiography | 72 | 2.6K | 79 | 138 |
| 189 | biological factors | 61 | 2.6K | 162 | 147 |
| 190 | Cybernetics | 68 | 2.6K | 155 | 220 |
| 191 | Energy Harvesting | 35 | 2.6K | 61 | 77 |
| 192 | proteins | 71 | 2.6K | 251 | 250 |
| 193 | Water quality management | 115 | 2.6K | 65 | 91 |
| 194 | Power Electronics | 80 | 2.6K | 118 | 163 |
| 195 | Water Microbiology | 37 | 2.6K | 11 | 8 |
| 196 | Molecular structure | 37 | 2.6K | 501 | 303 |
| 197 | Fouling | 36 | 2.6K | 9 | 5 |
| 198 | economic policy | 109 | 2.6K | 141 | 130 |
| 199 | Logistics | 56 | 2.6K | 13 | 15 |
| 200 | Cancer | 67 | 2.5K | 717 | 813 |
| 201 | Plant cells | 7 | 2.5K | 754 | 391 |
| 202 | Ventilation | 33 | 2.4K | 48 | 17 |
| 203 | Computer-Aided Design | 76 | 2.4K | 56 | 59 |
| 204 | Software Engineering | 69 | 2.4K | 77 | 98 |
| 205 | Bioorganic chemistry | 49 | 2.4K | 616 | 452 |
| 206 | Combinatorial chemistry | 49 | 2.3K | 73 | 93 |
| 207 | indoor air pollution | 25 | 2.3K | 42 | 14 |
| 207 | Sick building syndrome | 25 | 2.3K | 42 | 14 |
| 209 | multimedia | 79 | 2.3K | 34 | 47 |
| 209 | Interactive multimedia | 79 | 2.3K | 40 | 48 |
| 211 | Mechanical Engineering | 71 | 2.2K | 328 | 167 |
| 212 | Hazardous waste | 29 | 2.2K | 92 | 54 |
| 213 | personality | 37 | 2.2K | 343 | 290 |
| 214 | Bioelectronics | 51 | 2.2K | 82 | 171 |
| 215 | impact | 41 | 2.2K | 29 | 21 |
| 216 | Agricultural Chemistry | 36 | 2.2K | 514 | 320 |
| 217 | Data Mining | 75 | 2.1K | 52 | 197 |
| 218 | air quality management | 16 | 2.1K | 77 | 19 |
| 219 | Genetics | 41 | 2.1K | 983 | 1070 |
| 220 | Financial management | 6 | 2.1K | 284 | 27 |
| 221 | Meteorology | 64 | 2.0K | 394 | 520 |
| 222 | Alternative Medicine | 52 | 2.0K | 193 | 106 |
| 222 | complementary therapies | 52 | 2.0K | 199 | 108 |
| 224 | industrial waste | 27 | 2.0K | 79 | 57 |
| 225 | radioactive waste | 23 | 2.0K | 85 | 57 |
| 226 | Quality Control | 52 | 2.0K | 147 | 110 |
| 227 | Control Theory | 61 | 2.0K | 256 | 208 |
| 228 | micromechanics | 58 | 2.0K | 21 | 22 |
| 229 | consumer behavior | 36 | 1.9K | 35 | 36 |
| 230 | Capital market | 29 | 1.9K | 29 | 6 |
| 231 | biocatalysis | 9 | 1.9K | 52 | 70 |
| 231 | Homogeneous catalysis | 9 | 1.9K | 52 | 70 |
| 231 | Heterogeneous catalysis | 9 | 1.9K | 52 | 70 |
| 234 | Proteome | 48 | 1.9K | 133 | 178 |
| 235 | Green Chemistry | 37 | 1.9K | 385 | 374 |
| 236 | Energy Policy | 45 | 1.9K | 447 | 547 |
| 237 | vibration | 62 | 1.9K | 100 | 121 |
| 238 | lasers | 65 | 1.9K | 291 | 228 |
| 239 | Environmental Law | 21 | 1.9K | 265 | 217 |
| 240 | Semiconductors | 117 | 1.8K | 109 | 149 |
| 241 | Hydrology | 87 | 1.7K | 284 | 444 |
| 242 | Recycling | 18 | 1.7K | 116 | 82 |
| 243 | Fluid Mechanics | 57 | 1.7K | 278 | 238 |
| 244 | Microwaves | 41 | 1.7K | 340 | 189 |
| 245 | Waste management | 64 | 1.7K | 81 | 77 |
| 246 | Botany | 35 | 1.7K | 1285 | 1091 |
| 247 | Oncogenes | 29 | 1.6K | 321 | 389 |
| 248 | Ergonomics | 72 | 1.6K | 100 | 101 |
| 249 | Signal Transduction | 36 | 1.6K | 246 | 308 |
| 250 | Earth Sciences | 44 | 1.6K | 795 | 697 |
| 251 | cell physiology | 34 | 1.6K | 341 | 395 |
| 252 | Herbal medicine | 32 | 1.6K | 58 | 40 |
| 253 | Combustion | 35 | 1.6K | 269 | 188 |
| 254 | natural disasters | 35 | 1.6K | 137 | 112 |
| 255 | Production Engineering | 71 | 1.6K | 208 | 200 |
| 256 | biopolymers | 43 | 1.6K | 218 | 193 |
| 257 | Chemical industry | 43 | 1.6K | 184 | 68 |
| 258 | Soft Condensed Matter | 47 | 1.6K | 187 | 173 |
| 259 | Zeolites | 23 | 1.6K | 184 | 82 |
| 260 | Immunology | 32 | 1.6K | 1235 | 1181 |
| 261 | Sustainable Engineering | 27 | 1.6K | 403 | 292 |
| 262 | Water Purification | 57 | 1.5K | 74 | 69 |
| 263 | Pharmacognosy | 42 | 1.5K | 291 | 322 |
| 264 | Neurobiology | 40 | 1.5K | 430 | 564 |
| 265 | Genomics | 49 | 1.5K | 658 | 739 |
| 266 | Heat Exchangers | 47 | 1.5K | 120 | 166 |
| 267 | Bacteriology | 27 | 1.5K | 580 | 558 |
| 268 | Mechatronics | 50 | 1.4K | 77 | 90 |
| 268 | international trade | 22 | 1.4K | 93 | 65 |
| 270 | Detectors | 74 | 1.4K | 93 | 135 |
| 271 | Clinical Chemistry | 31 | 1.4K | 860 | 732 |
| 272 | Industrial Microbiology | 42 | 1.4K | 286 | 410 |
| 273 | Medical Physics | 24 | 1.4K | 579 | 403 |
| 274 | Environmental Management | 41 | 1.4K | 578 | 748 |
| 275 | Planets | 57 | 1.4K | 369 | 521 |
| 276 | Diagnostic Imaging | 48 | 1.4K | 354 | 392 |
| 277 | Climatology | 55 | 1.4K | 296 | 444 |
| 278 | genome | 36 | 1.4K | 330 | 534 |
| 279 | Telecommunication Systems | 80 | 1.4K | 77 | 102 |
| 280 | Environmental Psychology | 17 | 1.3K | 44 | 54 |
| 281 | Cell differentiation | 35 | 1.3K | 434 | 626 |
| 281 | probabilities | 62 | 1.3K | 177 | 116 |
| 283 | aerosol | 12 | 1.3K | 147 | 33 |
| 284 | Traffic Engineering | 31 | 1.3K | 32 | 47 |
| 285 | Embryology | 41 | 1.2K | 377 | 489 |
| 286 | Sociology | 37 | 1.2K | 695 | 586 |
| 287 | Transportation Engineering | 19 | 1.2K | 110 | 37 |
| 288 | Medical genetics | 12 | 1.2K | 1467 | 1098 |
| 288 | Light | 10 | 1.2K | 471 | 383 |
| 290 | Civil Engineering | 52 | 1.2K | 289 | 128 |
| 290 | Physiology | 32 | 1.2K | 1300 | 1249 |
| 292 | Computer Science | 68 | 1.2K | 156 | 172 |
| 293 | Experimental Design | 18 | 1.2K | 64 | 54 |
| 293 | Neural circuitry | 48 | 1.2K | 220 | 388 |
| 295 | Developed countries | 14 | 1.2K | 29 | 9 |
| 296 | nucleic acids | 36 | 1.2K | 464 | 721 |
| 297 | Organometallic chemistry | 55 | 1.1K | 211 | 209 |
| 298 | Biodiversity | 30 | 1.1K | 572 | 596 |
| 299 | Mathematical Physics | 91 | 1.1K | 425 | 625 |
| 300 | Mathematical Economics | 9 | 1.1K | 140 | 91 |
| 300 | Fracture mechanics | 38 | 1.1K | 289 | 243 |
| 302 | Europe | 23 | 1.1K | 1080 | 624 |
| 303 | Growth | 34 | 1.1K | 299 | 481 |
| 304 | Soil dynamics | 31 | 1.1K | 63 | 62 |
| 305 | Medicinal plants | 34 | 1.1K | 217 | 306 |
| 306 | Information Science | 40 | 1.1K | 449 | 560 |
| 307 | Entrepreneurship | 7 | 1.0K | 590 | 308 |
| 308 | Information Retrieval | 38 | 1.0K | 30 | 78 |
| 309 | Optical Communications | 23 | 1.0K | 177 | 77 |
| 310 | Tunneling | 15 | 996 | 86 | 65 |
| 310 | underground construction | 15 | 996 | 86 | 65 |
| 312 | Electrophoresis | 30 | 981 | 358 | 307 |
| 313 | Electrochemical Analysis | 31 | 972 | 344 | 287 |
| 314 | Numerical Analysis | 40 | 970 | 516 | 409 |
| 315 | Sustainable Development | 15 | 966 | 730 | 468 |
| 316 | World Wide Web | 41 | 962 | 10 | 12 |
| 317 | Bioinorganic chemistry | 44 | 960 | 244 | 290 |
| 318 | software | 16 | 957 | 260 | 150 |
| 319 | Environmental Toxicology | 23 | 955 | 731 | 741 |
| 320 | structural stability | 19 | 953 | 98 | 59 |
| 321 | hazard mitigation | 24 | 947 | 115 | 104 |
| 322 | sustainability | 23 | 944 | 141 | 234 |
| 323 | Demography | 15 | 928 | 215 | 130 |
| 324 | Genetic engineering | 29 | 925 | 543 | 693 |
| 325 | foreign exchange | 12 | 913 | 77 | 44 |
| 326 | Smart Materials | 34 | 908 | 81 | 106 |
| 327 | Drying | 25 | 902 | 51 | 37 |
| 328 | Information Systems | 26 | 895 | 259 | 235 |
| 329 | Solar Energy | 14 | 894 | 661 | 452 |
| 330 | Electrical Engineering | 155 | 892 | 336 | 712 |
| 331 | Decision Support Systems | 6 | 885 | 125 | 10 |
| 332 | Educational Technology | 15 | 879 | 552 | 245 |
| 333 | Human-Computer Interaction | 38 | 865 | 197 | 298 |
| 333 | Auditing | 13 | 865 | 90 | 41 |
| 335 | atmosphere | 24 | 861 | 143 | 122 |
| 336 | Photochemistry | 14 | 856 | 728 | 391 |
| 337 | Anatomy | 22 | 854 | 672 | 594 |
| 337 | mathematical analysis | 66 | 854 | 441 | 443 |
| 339 | coal | 11 | 849 | 815 | 520 |
| 340 | biological evolution | 19 | 847 | 768 | 849 |
| 341 | Marine Biotechnology | 10 | 842 | 62 | 18 |
| 342 | Game Theory | 24 | 836 | 111 | 82 |
| 342 | natural products | 34 | 836 | 362 | 369 |
| 344 | Photobiology | 11 | 827 | 634 | 237 |
| 345 | Electromagnetism | 31 | 825 | 198 | 200 |
| 346 | Structural optimization | 16 | 821 | 92 | 69 |
| 347 | big data | 31 | 813 | 16 | 39 |
| 348 | Building | 25 | 812 | 153 | 104 |
| 349 | Quantitative Research | 10 | 810 | 89 | 48 |
| 350 | particles | 13 | 806 | 309 | 113 |
| 351 | Liquid Crystals | 58 | 805 | 95 | 70 |
| 352 | data collection | 15 | 804 | 266 | 329 |
| 353 | Financial Institutions | 8 | 798 | 132 | 36 |
| 354 | Engineering Mathematics | 51 | 796 | 391 | 396 |
| 355 | protein | 21 | 795 | 391 | 368 |
| 356 | behavioral medicine | 6 | 788 | 851 | 433 |
| 357 | Proteomics | 16 | 787 | 351 | 321 |
| 358 | Transport | 7 | 786 | 330 | 121 |
| 359 | Geomorphology | 13 | 775 | 643 | 470 |
| 360 | Granular materials | 11 | 773 | 161 | 51 |
| 361 | Astronomy | 25 | 770 | 1146 | 1195 |
| 361 | environmental exposure | 31 | 770 | 345 | 520 |
| 363 | Human Resources | 10 | 763 | 155 | 98 |
| 364 | Fluid Dynamics | 28 | 762 | 288 | 253 |
| 364 | Physical organic chemistry | 16 | 762 | 574 | 298 |
| 364 | innovation | 2 | 762 | 753 | 248 |
| 367 | Venture Capital | 1 | 758 | 469 | 176 |
| 368 | United Kingdom | 15 | 757 | 655 | 572 |
| 369 | Microfluidics | 22 | 751 | 17 | 15 |
| 370 | Fiber Optics | 38 | 750 | 187 | 239 |
| 371 | Crystal growth | 16 | 745 | 361 | 226 |
| 372 | Plastics | 27 | 737 | 415 | 353 |
| 373 | cell interaction | 32 | 727 | 179 | 364 |
| 374 | Development | 18 | 716 | 202 | 241 |
| 375 | Structural design | 27 | 698 | 84 | 108 |
| 376 | System analysis | 45 | 694 | 462 | 662 |
| 377 | Ceramics | 16 | 693 | 580 | 382 |
| 378 | Glass | 15 | 692 | 444 | 346 |
| 378 | pottery | 15 | 692 | 437 | 336 |
| 380 | Food | 17 | 679 | 1307 | 1176 |
| 381 | emergency management | 13 | 674 | 241 | 110 |
| 382 | Technological Innovations | 36 | 669 | 75 | 176 |
| 383 | Demographic research | 7 | 668 | 67 | 44 |
| 384 | population trends | 5 | 658 | 46 | 28 |
| 385 | plasticity | 19 | 652 | 71 | 143 |
| 386 | Epidemiology | 15 | 648 | 1694 | 1337 |
| 386 | world | 14 | 648 | 233 | 278 |
| 388 | Boundary Value Problems | 15 | 647 | 250 | 152 |
| 388 | Antenna Arrays | 15 | 647 | 197 | 142 |
| 390 | Biogeochemistry | 20 | 639 | 386 | 516 |
| 391 | Cosmology | 18 | 628 | 546 | 314 |
| 392 | Recombinant DNA | 20 | 627 | 453 | 451 |
| 393 | ecosystem | 21 | 612 | 408 | 592 |
| 394 | city planning | 30 | 604 | 365 | 439 |
| 395 | Drug design | 10 | 603 | 867 | 564 |
| 396 | Molecular cloning | 16 | 599 | 502 | 447 |
| 396 | Genetic recombination | 16 | 599 | 490 | 441 |
| 398 | Mechanics | 22 | 596 | 339 | 274 |
| 399 | Sensor Networks | 25 | 595 | 14 | 21 |
| 400 | Electronic Packaging | 35 | 594 | 29 | 39 |
| 401 | Computational Fluid Dynamics | 37 | 591 | 49 | 121 |
| 402 | Multiphase Flow | 7 | 586 | 209 | 107 |
| 402 | Surface properties | 9 | 586 | 569 | 373 |
| 404 | Psychiatry | 17 | 585 | 1867 | 1865 |
| 405 | Cryptography | 35 | 579 | 43 | 55 |
| 405 | Business Ethics | 10 | 579 | 445 | 512 |
| 407 | Molecular evolution | 15 | 575 | 588 | 652 |
| 408 | Chromatographic analysis | 15 | 573 | 788 | 494 |
| 409 | Chromatography | 14 | 564 | 692 | 430 |
| 410 | Hematology | 10 | 560 | 1665 | 1343 |
| 411 | Nervous system | 22 | 558 | 811 | 1157 |
| 412 | Cell death | 20 | 553 | 411 | 720 |
| 413 | soil microbiology | 24 | 552 | 432 | 808 |
| 414 | Cloud Computing | 29 | 548 | 17 | 45 |
| 415 | Roads | 34 | 546 | 182 | 182 |
| 416 | Strategic planning | 24 | 544 | 86 | 194 |
| 417 | Land use | 22 | 542 | 236 | 330 |
| 417 | Atomic spectroscopy | 20 | 542 | 354 | 310 |
| 419 | Microeconomics | 14 | 537 | 85 | 89 |
| 420 | Investment analysis | 15 | 536 | 143 | 140 |
| 421 | Plant physiology | 16 | 534 | 943 | 1098 |
| 422 | Pharmacy | 18 | 533 | 792 | 787 |
| 422 | Chemical analysis | 23 | 533 | 249 | 347 |
| 424 | Emotions | 5 | 532 | 424 | 262 |
| 425 | Economic Assistance | 12 | 530 | 240 | 273 |
| 426 | pigments | 19 | 524 | 199 | 205 |
| 427 | Quantum Optics | 18 | 516 | 279 | 210 |
| 427 | Dementia | 35 | 516 | 424 | 419 |
| 427 | Alzheimer's disease | 35 | 516 | 443 | 466 |
| 427 | Laser Spectroscopy | 19 | 516 | 237 | 193 |
| 431 | Political Science | 20 | 513 | 678 | 489 |
| 432 | Ecological Engineering | 11 | 509 | 185 | 192 |
| 433 | Stochastic Processes | 30 | 508 | 126 | 136 |
| 433 | Securities | 14 | 508 | 25 | 45 |
| 433 | Stem cells | 15 | 508 | 688 | 764 |
| 436 | Evolution | 14 | 507 | 845 | 892 |
| 437 | Mining Engineering | 8 | 502 | 280 | 166 |
| 437 | Optoelectronic devices | 22 | 502 | 153 | 88 |
| 439 | Systems Biology | 29 | 499 | 324 | 544 |
| 440 | Nutrition | 16 | 496 | 1960 | 2028 |
| 441 | Multivariate Analysis | 19 | 488 | 100 | 127 |
| 442 | plant molecular biology | 9 | 487 | 862 | 916 |
| 442 | Aging | 15 | 487 | 1287 | 1165 |
| 444 | Algebra | 22 | 485 | 556 | 238 |
| 445 | Coding Theory | 25 | 478 | 36 | 23 |
| 446 | Urban Economics | 4 | 476 | 266 | 136 |
| 447 | electric vehicles | 21 | 475 | 61 | 75 |
| 448 | Seaweed | 10 | 473 | 266 | 234 |
| 449 | water supply | 18 | 465 | 307 | 444 |
| 450 | consumers | 12 | 459 | 87 | 87 |
| 451 | atmospheric models | 10 | 456 | 361 | 363 |
| 452 | Algae | 10 | 454 | 396 | 312 |
| 453 | soil conservation | 19 | 453 | 138 | 202 |
| 454 | Medical Microbiology | 16 | 450 | 989 | 1314 |
| 455 | Immunity | 3 | 449 | 1929 | 1397 |
| 456 | free radicals | 6 | 447 | 973 | 819 |
| 457 | Integrated Circuits | 50 | 445 | 57 | 67 |
| 458 | Sound | 48 | 442 | 123 | 308 |
| 459 | Combinatorial analysis | 25 | 441 | 295 | 190 |
| 460 | Evolutionary Computation | 5 | 438 | 302 | 256 |
| 461 | Japan | 19 | 435 | 610 | 456 |
| 462 | Molecular Pharmacology | 14 | 434 | 263 | 380 |
| 463 | Forecasting | 11 | 432 | 154 | 152 |
| 464 | Genetic regulation | 16 | 431 | 405 | 682 |
| 465 | Speech Perception | 25 | 426 | 53 | 144 |
| 465 | auditory perception | 25 | 426 | 65 | 166 |
| 467 | Genetic algorithms | 3 | 425 | 304 | 214 |
| 468 | Education | 9 | 423 | 2312 | 1174 |
| 469 | Mental Disorders | 12 | 422 | 1527 | 1587 |
| 469 | Mental illness | 11 | 422 | 1001 | 1121 |
| 471 | Brain | 20 | 419 | 1052 | 1340 |
| 472 | Remote Sensing | 8 | 418 | 903 | 366 |
| 472 | Therapeutics | 10 | 418 | 889 | 921 |
| 474 | Aquaculture | 13 | 414 | 649 | 578 |
| 475 | Harmonic Analysis | 15 | 408 | 27 | 49 |
| 475 | energy resources | 9 | 408 | 715 | 912 |
| 477 | Porous materials | 3 | 403 | 768 | 130 |
| 478 | Chemical Oceanography | 4 | 398 | 245 | 160 |
| 479 | Intelligent Control Systems | 18 | 397 | 240 | 165 |
| 480 | Adsorption | 14 | 395 | 22 | 31 |
| 481 | Antibodies | 7 | 388 | 392 | 273 |
| 481 | Antigens | 7 | 388 | 561 | 368 |
| 483 | Mountains | 9 | 386 | 125 | 30 |
| 484 | Geochemistry | 14 | 380 | 988 | 1109 |
| 485 | Risk Management | 25 | 378 | 91 | 229 |
| 485 | clay | 3 | 378 | 801 | 349 |
| 487 | Plant diseases | 15 | 377 | 887 | 868 |
| 488 | Second Language Acquisition | 2 | 372 | 234 | 86 |
| 489 | Nanochemistry | 20 | 365 | 282 | 324 |
| 490 | Metabolism | 11 | 364 | 1440 | 1720 |
| 491 | Endocrinology | 11 | 363 | 1659 | 1871 |
| 491 | Plants | 9 | 363 | 1252 | 1172 |
| 493 | solar power | 8 | 362 | 435 | 452 |
| 493 | solar cells | 8 | 362 | 495 | 500 |
| 495 | Microwave devices | 12 | 357 | 210 | 155 |
| 496 | Welfare Economics | 5 | 354 | 307 | 176 |
| 497 | Pharmacogenomics | 1 | 352 | 617 | 108 |
| 497 | microwave communication systems | 11 | 352 | 182 | 133 |
| 497 | Protein engineering | 1 | 352 | 464 | 101 |
| 500 | Thin Films | 30 | 351 | 42 | 108 |
| 500 | Metabolic diseases | 10 | 351 | 1255 | 1555 |
| 500 | Mineral resources | 4 | 351 | 433 | 203 |
| 503 | Government policy | 11 | 347 | 35 | 62 |
| 504 | Allergy | 2 | 342 | 1361 | 955 |
| 505 | Histology | 15 | 340 | 818 | 1020 |
| 505 | Molecular Genetics | 14 | 340 | 826 | 1159 |
| 507 | Diabetes mellitus | 7 | 339 | 1322 | 1335 |
| 507 | educational innovations | 2 | 339 | 650 | 157 |
| 507 | Diabetes | 7 | 339 | 1404 | 1377 |
| 510 | Gene expression regulation | 14 | 336 | 370 | 556 |
| 511 | Quality Management | 8 | 335 | 65 | 21 |
| 512 | Molecules | 13 | 334 | 689 | 605 |
| 513 | water resources | 14 | 330 | 86 | 99 |
| 513 | Quantum theory | 17 | 330 | 290 | 364 |
| 515 | Geography | 17 | 329 | 897 | 1059 |
| 515 | Climate change | 10 | 329 | 545 | 1074 |
| 517 | Magnetic Resonance Spectroscopy | 10 | 328 | 660 | 486 |
| 518 | Natural resources | 10 | 326 | 346 | 386 |
| 519 | Green Technology | 10 | 325 | 85 | 51 |
| 519 | Environmental risk assessment | 20 | 325 | 39 | 98 |
| 519 | Eastern Europe | 4 | 325 | 861 | 126 |
| 522 | Soil Science | 12 | 324 | 938 | 1045 |
| 522 | Capitalism | 2 | 324 | 230 | 22 |
| 524 | Ceramic materials | 10 | 317 | 670 | 570 |
| 525 | Chromosome mapping | 15 | 315 | 738 | 1167 |
| 525 | gene mapping | 15 | 315 | 833 | 1361 |
| 527 | Computational Complexity | 11 | 312 | 434 | 215 |
| 528 | Linguistics | 13 | 311 | 676 | 505 |
| 529 | Pathology | 7 | 310 | 1561 | 1419 |
| 529 | medical education | 3 | 310 | 1758 | 716 |
| 531 | industrial relations | 3 | 309 | 806 | 264 |
| 532 | Computational Chemistry | 11 | 308 | 261 | 341 |
| 532 | viruses | 6 | 308 | 1073 | 1056 |
| 532 | enzymes | 18 | 308 | 529 | 848 |
| 535 | Speech | 17 | 307 | 297 | 472 |
| 536 | Microorganisms | 17 | 304 | 300 | 753 |
| 537 | Nondestructive testing | 13 | 303 | 214 | 220 |
| 538 | High performance computing | 5 | 302 | 26 | 2 |
| 539 | Biopharmaceutics | 3 | 301 | 1238 | 625 |
| 540 | Applied Sciences | 1 | 300 | 50 | 29 |
| 540 | Macroeconomics | 7 | 300 | 181 | 105 |
| 540 | Applied Mechanics | 1 | 300 | 50 | 29 |
| 543 | soil pollution | 16 | 297 | 76 | 150 |
| 544 | Ophthalmology | 13 | 296 | 880 | 976 |
| 545 | Health Policy | 8 | 294 | 1348 | 1113 |
| 546 | Surface-Active Agents | 7 | 293 | 659 | 635 |
| 547 | Reproduction | 12 | 292 | 1147 | 1226 |
| 548 | Industrial Sociology | 2 | 291 | 205 | 77 |
| 548 | Inflammation | 4 | 291 | 1129 | 799 |
| 550 | Cognition | 18 | 289 | 662 | 917 |
| 551 | drugs | 15 | 283 | 892 | 1156 |
| 551 | synthesis | 5 | 283 | 852 | 242 |
| 553 | Geometry | 33 | 281 | 274 | 305 |
| 554 | Cosmochemistry | 11 | 280 | 428 | 543 |
| 555 | Product life cycle | 4 | 276 | 238 | 168 |
| 555 | green products | 4 | 276 | 221 | 164 |
| 557 | Seismology | 5 | 275 | 378 | 236 |
| 558 | Biodiversity conservation | 10 | 273 | 890 | 1417 |
| 559 | Geology | 19 | 263 | 1322 | 1647 |
| 559 | Functional Analysis | 20 | 263 | 438 | 528 |
| 561 | Cheminformatics | 4 | 262 | 256 | 249 |
| 562 | Pharmacogenetics | 8 | 261 | 560 | 630 |
| 563 | Geographic information systems | 22 | 260 | 202 | 352 |
| 564 | Biomechanics | 12 | 259 | 641 | 769 |
| 565 | Telecommunications | 17 | 258 | 134 | 185 |
| 566 | Bioremediation | 4 | 257 | 688 | 413 |
| 567 | digital preservation | 1 | 255 | 206 | 21 |
| 567 | urban population | 2 | 255 | 259 | 168 |
| 567 | rehabilitation | 22 | 255 | 667 | 1296 |
| 570 | Corporate governance | 6 | 252 | 304 | 247 |
| 570 | Crystallography | 18 | 252 | 682 | 563 |
| 572 | machinery | 5 | 251 | 594 | 288 |
| 572 | telemarketing | 2 | 251 | 120 | 59 |
| 574 | Agriculture | 11 | 250 | 1137 | 1244 |
| 575 | Ethnology | 8 | 249 | 868 | 534 |
| 576 | Socialization | 2 | 247 | 625 | 337 |
| 576 | social conflict | 7 | 247 | 92 | 50 |
| 578 | Social Stratification | 6 | 245 | 42 | 26 |
| 578 | Social mobility | 6 | 245 | 42 | 26 |
| 578 | role | 1 | 245 | 698 | 290 |
| 578 | social status | 6 | 245 | 42 | 26 |
| 578 | Occupational mobility | 6 | 245 | 42 | 26 |
| 583 | Nanoelectronics | 11 | 244 | 381 | 269 |
| 584 | Immunotherapy | 9 | 243 | 1079 | 1442 |
| 584 | Nanophotonics | 19 | 243 | 49 | 192 |
| 586 | food technology | 7 | 242 | 1664 | 1651 |
| 586 | Eutrophication | 8 | 242 | 604 | 1193 |
| 586 | Algal blooms | 8 | 242 | 121 | 207 |
| 586 | Cyanobacteria | 8 | 242 | 121 | 207 |
| 586 | microalgae | 8 | 242 | 121 | 207 |
| 591 | dietary supplements | 10 | 241 | 302 | 419 |
| 592 | Bioenergetics | 5 | 240 | 602 | 550 |
| 592 | Social Change | 6 | 240 | 631 | 773 |
| 592 | Metallography | 6 | 240 | 553 | 411 |
| 592 | Convergence | 3 | 240 | 45 | 33 |
| 596 | Geochemical Modeling | 14 | 237 | 96 | 178 |
| 596 | geological modeling | 14 | 237 | 126 | 221 |
| 598 | Speech-Language Pathology | 3 | 236 | 275 | 101 |
| 598 | Simulation Methods | 11 | 236 | 352 | 339 |
| 598 | automatic speech recognition | 3 | 236 | 131 | 56 |
| 601 | Regional Planning | 12 | 234 | 745 | 805 |
| 601 | Diet | 6 | 234 | 1511 | 1673 |
| 603 | Distributed Databases | 10 | 232 | 39 | 54 |
| 603 | Social problems | 6 | 232 | 381 | 346 |
| 603 | drug evaluation | 6 | 232 | 962 | 754 |
| 606 | Geodesy | 3 | 231 | 805 | 325 |
| 606 | Cognitive Science | 15 | 231 | 535 | 958 |
| 608 | biological monitoring | 6 | 230 | 302 | 263 |
| 609 | Pharmaceutical Technology | 8 | 227 | 957 | 987 |
| 609 | Virtual reality | 5 | 227 | 268 | 192 |
| 611 | Structural health monitoring | 8 | 226 | 76 | 111 |
| 612 | Ethnic relations | 9 | 224 | 263 | 185 |
| 612 | Food service management | 1 | 224 | 655 | 332 |
| 612 | analysis | 10 | 224 | 153 | 224 |
| 615 | Radio wave propagation | 18 | 223 | 269 | 346 |
| 616 | Futures | 11 | 221 | 61 | 99 |
| 617 | Plant tissue culture | 5 | 219 | 544 | 431 |
| 617 | Plant cell culture | 5 | 219 | 469 | 426 |
| 619 | Biometrics | 14 | 218 | 461 | 597 |
| 620 | Drug delivery systems | 6 | 217 | 1078 | 1202 |
| 621 | Chromosomes | 6 | 216 | 689 | 699 |
| 622 | Medical innovations | 7 | 214 | 585 | 1226 |
| 623 | Psychosomatic Medicine | 5 | 213 | 569 | 546 |
| 624 | Child Development | 13 | 212 | 886 | 1288 |
| 625 | Genetic therapy | 5 | 209 | 938 | 923 |
| 625 | Semiconductor industry | 7 | 209 | 403 | 262 |
| 627 | Measurement | 12 | 207 | 549 | 692 |
| 628 | Adaptive control systems | 9 | 206 | 235 | 199 |
| 629 | Antioxidants | 4 | 205 | 667 | 731 |
| 630 | drug resistance | 2 | 204 | 966 | 474 |
| 631 | Nonlinear functional analysis | 14 | 199 | 455 | 587 |
| 632 | Nationalism | 3 | 197 | 330 | 82 |
| 633 | Microbial Biotechnology | 5 | 194 | 703 | 601 |
| 633 | land degradation | 7 | 194 | 211 | 284 |
| 633 | Export Marketing | 3 | 194 | 192 | 162 |
| 633 | degradation | 7 | 194 | 211 | 284 |
| 637 | Molecular ecology | 9 | 193 | 611 | 1032 |
| 638 | Public Policy | 8 | 192 | 1019 | 1131 |
| 639 | Cytogenetics | 5 | 191 | 1207 | 1356 |
| 640 | Ultrasonics | 13 | 190 | 470 | 924 |
| 641 | Discrete geometry | 14 | 189 | 62 | 87 |
| 641 | vitamin C | 3 | 189 | 405 | 315 |
| 641 | vitamin E | 3 | 189 | 405 | 315 |
| 644 | economic forecasting | 1 | 188 | 613 | 205 |
| 645 | antibiotics | 6 | 187 | 111 | 100 |
| 646 | Vaccines | 5 | 186 | 1501 | 1366 |
| 647 | Queuing Theory | 14 | 184 | 36 | 63 |
| 648 | Oncology | 7 | 183 | 1523 | 2312 |
| 648 | Developmental Genetics | 3 | 183 | 510 | 592 |
| 650 | Molecular Spectroscopy | 5 | 182 | 1417 | 1118 |
| 650 | drug development | 7 | 182 | 621 | 1231 |
| 652 | Public Administration | 10 | 178 | 727 | 688 |
| 653 | Psychometrics | 4 | 177 | 372 | 310 |
| 654 | Australia | 14 | 176 | 745 | 1005 |
| 655 | Luminescence | 14 | 175 | 480 | 723 |
| 656 | Computational Linguistics | 10 | 173 | 169 | 145 |
| 657 | Thrombosis | 1 | 170 | 1559 | 778 |
| 657 | viral genetics | 2 | 170 | 372 | 484 |
| 659 | Project Management | 2 | 169 | 334 | 323 |
| 660 | Hydrogeology | 2 | 168 | 1023 | 475 |
| 660 | Oxidative stress | 5 | 168 | 926 | 1181 |
| 660 | Cellular senescence | 5 | 168 | 560 | 744 |
| 663 | Marine Ecology | 13 | 167 | 291 | 462 |
| 664 | Development Economics | 5 | 166 | 294 | 267 |
| 664 | Flexible manufacturing systems | 10 | 166 | 107 | 226 |
| 664 | Population | 17 | 166 | 327 | 662 |
| 667 | Financial Engineering | 11 | 164 | 19 | 76 |
| 667 | Imaging systems | 17 | 164 | 150 | 286 |
| 669 | health services accessibility | 2 | 163 | 1126 | 560 |
| 669 | Solar System | 2 | 163 | 902 | 600 |
| 671 | Finite Element Method | 4 | 162 | 213 | 135 |
| 671 | Instructional materials | 1 | 162 | 125 | 18 |
| 673 | Geriatrics | 6 | 160 | 2128 | 1983 |
| 673 | Urban Policy | 5 | 160 | 542 | 579 |
| 673 | Hydrodynamics | 6 | 160 | 422 | 456 |
| 673 | Corporate Social Responsibility | 1 | 160 | 583 | 281 |
| 673 | environmental auditing | 1 | 160 | 602 | 284 |
| 673 | Adhesion | 6 | 160 | 387 | 317 |
| 673 | adhesives | 6 | 160 | 418 | 321 |
| 680 | Plant Genetics | 4 | 159 | 584 | 698 |
| 681 | Population Genetics | 10 | 158 | 638 | 1114 |
| 682 | Group decision making | 8 | 156 | 222 | 283 |
| 682 | income | 3 | 156 | 146 | 103 |
| 682 | Input-output analysis | 3 | 156 | 247 | 163 |
| 682 | Wealth | 3 | 156 | 146 | 103 |
| 682 | RNA | 7 | 156 | 310 | 492 |
| 687 | Graphene | 2 | 155 | 139 | 87 |
| 687 | catalytic activity | 4 | 155 | 542 | 538 |
| 687 | language | 16 | 155 | 271 | 616 |
| 690 | Urology | 3 | 154 | 1648 | 1345 |
| 691 | East Asia | 11 | 152 | 207 | 180 |
| 692 | Chemical processes | 5 | 151 | 450 | 350 |
| 692 | Money | 3 | 151 | 318 | 258 |
| 694 | Phylogeny | 3 | 150 | 936 | 885 |
| 695 | Medical Oncology | 5 | 149 | 1351 | 1580 |
| 695 | Mass Spectrometry | 10 | 149 | 643 | 867 |
| 697 | Cognitive Radio Networks | 9 | 148 | 73 | 131 |
| 697 | gene therapy | 3 | 148 | 1123 | 1072 |
| 699 | International Relations | 8 | 146 | 699 | 513 |
| 699 | government | 3 | 146 | 637 | 360 |
| 701 | Differential Equations | 10 | 143 | 504 | 538 |
| 701 | Fuzzy systems | 15 | 143 | 576 | 869 |
| 703 | Liver diseases | 3 | 142 | 1414 | 1498 |
| 704 | Visual Communication | 11 | 141 | 121 | 202 |
| 704 | Crystallization | 3 | 141 | 568 | 242 |
| 704 | Image enhancement | 11 | 141 | 82 | 190 |
| 707 | Dynamics | 10 | 140 | 987 | 1004 |
| 707 | Risk | 8 | 140 | 294 | 446 |
| 709 | Tribology | 6 | 139 | 854 | 860 |
| 709 | Biogeochemical cycles | 4 | 139 | 380 | 559 |
| 709 | Wildlife conservation | 1 | 139 | 1863 | 1186 |
| 709 | Leukemia | 5 | 139 | 837 | 1045 |
| 709 | Enzyme | 7 | 139 | 247 | 494 |
| 714 | Analytical Biochemistry | 12 | 138 | 819 | 1369 |
| 714 | Information visualization | 14 | 138 | 22 | 30 |
| 716 | Occupational Health | 6 | 137 | 714 | 651 |
| 717 | Histochemistry | 4 | 136 | 938 | 783 |
| 717 | Autonomous robots | 8 | 136 | 63 | 175 |
| 717 | international cooperation | 8 | 136 | 284 | 450 |
| 720 | Industrial Safety | 6 | 135 | 770 | 818 |
| 720 | health planning | 12 | 135 | 1006 | 1488 |
| 722 | Quantum Communication | 3 | 132 | 186 | 196 |
| 722 | Social policy | 8 | 132 | 559 | 599 |
| 722 | cloning | 4 | 132 | 577 | 833 |
| 725 | Longevity | 6 | 130 | 69 | 155 |
| 725 | rejuvenation | 6 | 130 | 46 | 128 |
| 727 | Child psychology | 9 | 129 | 773 | 1293 |
| 727 | Organelle biogenesis | 3 | 129 | 201 | 160 |
| 729 | plant communities | 4 | 126 | 956 | 1118 |
| 730 | Superconductors | 6 | 125 | 703 | 582 |
| 730 | data protection | 4 | 125 | 446 | 277 |
| 732 | Textile industry | 4 | 124 | 428 | 238 |
| 733 | Marine Meteorology | 8 | 123 | 202 | 301 |
| 734 | Marine resources | 7 | 122 | 353 | 548 |
| 734 | Informatics | 8 | 122 | 484 | 729 |
| 736 | Clinical Pharmacology | 6 | 121 | 1035 | 1198 |
| 737 | global environmental change | 3 | 120 | 836 | 963 |
| 738 | Hypertension | 3 | 119 | 1545 | 1775 |
| 738 | Raman spectroscopy | 5 | 119 | 600 | 625 |
| 740 | Law | 6 | 118 | 1111 | 493 |
| 740 | Food Policy | 2 | 118 | 405 | 364 |
| 740 | agricultural policy | 2 | 118 | 291 | 302 |
| 740 | Calorimetry | 8 | 118 | 617 | 761 |
| 740 | hygiene | 3 | 118 | 534 | 427 |
| 740 | Thermal analysis | 8 | 118 | 617 | 761 |
| 746 | Origin of life | 2 | 117 | 182 | 102 |
| 746 | Travel | 5 | 117 | 625 | 558 |
| 748 | Sonochemistry | 1 | 116 | 1051 | 766 |
| 749 | Expert Systems | 4 | 115 | 96 | 80 |
| 750 | occupational diseases | 3 | 114 | 876 | 826 |
| 751 | Municipal Engineering | 7 | 113 | 138 | 257 |
| 752 | environmental indicators | 6 | 112 | 788 | 1263 |
| 752 | Wireless Communication | 7 | 112 | 213 | 226 |
| 752 | Air Conditioning | 7 | 112 | 81 | 90 |
| 752 | heating | 7 | 112 | 67 | 86 |
| 756 | Astrocytes | 2 | 111 | 555 | 637 |
| 757 | Anthropology | 3 | 110 | 1565 | 1026 |
| 757 | Human Geography | 7 | 110 | 697 | 762 |
| 757 | Quality of life | 7 | 110 | 936 | 1524 |
| 760 | Phytotherapy | 7 | 109 | 474 | 796 |
| 761 | Organizational Sociology | 1 | 108 | 607 | 282 |
| 762 | Politics | 2 | 107 | 731 | 331 |
| 762 | Hematopoietic stem cell transplantation | 1 | 107 | 791 | 527 |
| 762 | Immune system | 1 | 107 | 1683 | 1334 |
| 765 | Organizational culture | 2 | 106 | 47 | 61 |
| 765 | Metallic Glasses | 3 | 106 | 442 | 404 |
| 765 | corporate culture | 2 | 106 | 239 | 163 |
| 768 | Ubiquitous computing | 10 | 104 | 37 | 64 |
| 769 | Particle Physics | 3 | 103 | 812 | 527 |
| 769 | Scheduling | 7 | 103 | 42 | 98 |
| 769 | Production Scheduling | 7 | 103 | 42 | 98 |
| 769 | Fractals | 5 | 103 | 982 | 997 |
| 769 | Geobiology | 11 | 103 | 189 | 444 |
| 769 | Culture | 5 | 103 | 850 | 582 |
| 775 | Mass Media | 9 | 102 | 499 | 385 |
| 775 | Vocational guidance | 3 | 102 | 800 | 795 |
| 775 | Migration | 3 | 102 | 165 | 63 |
| 775 | Cellulose | 3 | 102 | 611 | 636 |
| 779 | Research Design | 2 | 100 | 1460 | 1143 |
| 780 | Organizational change | 6 | 99 | 437 | 573 |
| 781 | Humanities | 12 | 98 | 791 | 922 |
| 781 | Pediatric Neurology | 2 | 98 | 1144 | 1372 |
| 781 | Language teaching | 2 | 98 | 72 | 45 |
| 781 | second language | 2 | 98 | 72 | 45 |
| 781 | Southeast Asia | 2 | 98 | 546 | 166 |
| 786 | Embedded Systems | 9 | 97 | 81 | 152 |
| 786 | Environmental Economics | 3 | 97 | 405 | 345 |
| 786 | Cardiovascular system | 2 | 97 | 1791 | 1966 |
| 786 | Gerontology | 5 | 97 | 1529 | 1471 |
| 786 | public works | 6 | 97 | 86 | 109 |
| 786 | race relations | 3 | 97 | 573 | 425 |
| 792 | Genetic Toxicology | 1 | 96 | 892 | 616 |
| 792 | Nonlinear mechanics | 3 | 96 | 389 | 328 |
| 792 | Uncertainty | 3 | 96 | 167 | 169 |
| 795 | Vision | 3 | 95 | 619 | 657 |
| 795 | Scanning electron microscopy | 1 | 95 | 376 | 89 |
| 797 | Visual Perception | 5 | 94 | 1248 | 1579 |
| 798 | biofuels | 1 | 93 | 544 | 536 |
| 798 | Economic research | 1 | 93 | 9 | 4 |
| 800 | income distribution | 1 | 92 | 282 | 175 |
| 800 | negotiation | 1 | 92 | 131 | 38 |
| 800 | conflict management | 1 | 92 | 432 | 258 |
| 803 | nuclear astrophysics | 3 | 90 | 460 | 454 |
| 803 | infection | 4 | 90 | 1489 | 1785 |
| 803 | human development | 11 | 90 | 357 | 855 |
| 806 | Medical Technology | 5 | 89 | 1427 | 1809 |
| 806 | mutation | 3 | 89 | 638 | 769 |
| 806 | Flexible electronics | 3 | 89 | 55 | 120 |
| 809 | Intercultural Communication | 5 | 88 | 232 | 324 |
| 809 | Immunopharmacology | 5 | 88 | 818 | 1131 |
| 809 | Carcinogenesis | 1 | 88 | 1627 | 1236 |
| 809 | Cross-Cultural Studies | 5 | 88 | 442 | 566 |
| 809 | reasoning | 7 | 88 | 145 | 323 |
| 809 | cytokines | 5 | 88 | 1067 | 1600 |
| 809 | carcinogens | 1 | 88 | 1675 | 1163 |
| 809 | mutagens | 1 | 88 | 1336 | 1067 |
| 809 | Cell communication | 6 | 88 | 540 | 1005 |
| 818 | Global Health | 2 | 87 | 1406 | 874 |
| 818 | Number Theory | 11 | 87 | 365 | 358 |
| 818 | Primary health care | 2 | 87 | 2165 | 1584 |
| 818 | Fisheries | 6 | 87 | 1157 | 1492 |
| 822 | Health Services Research | 1 | 86 | 2909 | 1554 |
| 823 | Systems Analysis | 6 | 85 | 767 | 961 |
| 824 | Immunochemistry | 7 | 84 | 609 | 985 |
| 824 | ports | 5 | 84 | 171 | 264 |
| 824 | Liposomes | 1 | 84 | 924 | 576 |
| 824 | Lipid bilayers | 1 | 84 | 741 | 479 |
| 824 | Nonlinear systems | 7 | 84 | 358 | 496 |
| 829 | Political Geography | 2 | 83 | 345 | 259 |
| 829 | Photography | 82 | 83 | 372 | 769 |
| 831 | Optoelectronics | 5 | 82 | 390 | 308 |
| 831 | Machine Learning | 8 | 82 | 159 | 364 |
| 833 | Nanobiotechnology | 5 | 81 | 254 | 724 |
| 833 | Social Media | 3 | 81 | 193 | 171 |
| 833 | social science | 1 | 81 | 300 | 239 |
| 836 | Aerospace Engineering | 4 | 80 | 339 | 232 |
| 836 | Psycholinguistics | 8 | 80 | 546 | 937 |
| 836 | Feminist Economics | 1 | 80 | 171 | 95 |
| 836 | Feminism | 1 | 80 | 1009 | 404 |
| 836 | body temperature | 1 | 80 | 966 | 460 |
| 841 | Medical Anthropology | 4 | 79 | 1060 | 1636 |
| 841 | Coral reef biology | 3 | 79 | 310 | 396 |
| 841 | Urban Areas | 3 | 79 | 203 | 177 |
| 841 | Attention | 2 | 79 | 2039 | 1785 |
| 845 | Developmental Psychology | 4 | 78 | 858 | 1090 |
| 845 | Digital electronics | 13 | 78 | 79 | 177 |
| 845 | food handling | 3 | 78 | 866 | 1132 |
| 845 | Sea | 4 | 78 | 435 | 605 |
| 845 | Fishery resources | 4 | 78 | 498 | 644 |
| 845 | Tropical Medicine | 4 | 78 | 1671 | 1743 |
| 845 | technical education | 5 | 78 | 480 | 560 |
| 852 | Zoology | 6 | 77 | 1957 | 2188 |
| 852 | Psychophysiology | 5 | 77 | 2049 | 2893 |
| 854 | Urbanization | 1 | 76 | 496 | 157 |
| 854 | Inorganic Polymers | 2 | 76 | 34 | 20 |
| 854 | Air pollution | 1 | 76 | 33 | 23 |
| 854 | Urban climatology | 1 | 76 | 33 | 23 |
| 854 | Organometallic polymers | 2 | 76 | 34 | 20 |
| 854 | Aquatic ecology | 6 | 76 | 655 | 910 |
| 860 | Law and Economics | 6 | 74 | 150 | 189 |
| 860 | Gene library | 2 | 74 | 109 | 136 |
| 860 | optical devices | 3 | 74 | 517 | 438 |
| 860 | Ultrasound | 12 | 74 | 312 | 807 |
| 860 | Marine algae | 1 | 74 | 257 | 115 |
| 865 | Computer Engineering | 11 | 73 | 339 | 878 |
| 865 | Regionalism | 1 | 73 | 455 | 190 |
| 865 | Plant genetic engineering | 2 | 73 | 1140 | 1188 |
| 868 | Philosophy | 6 | 72 | 1206 | 771 |
| 868 | Pharmacokinetics | 4 | 72 | 807 | 1109 |
| 868 | Microprocessors | 10 | 72 | 245 | 543 |
| 868 | families | 6 | 72 | 549 | 713 |
| 872 | Psychopharmacology | 2 | 71 | 1749 | 1782 |
| 872 | construction industry | 1 | 71 | 300 | 114 |
| 874 | DNA repair | 2 | 69 | 376 | 392 |
| 875 | Microfabrication | 5 | 68 | 259 | 387 |
| 875 | embryonic development | 5 | 68 | 289 | 522 |
| 875 | Protozoa | 4 | 68 | 354 | 523 |
| 878 | Cartography | 1 | 67 | 1046 | 326 |
| 878 | Probability | 12 | 67 | 219 | 661 |
| 878 | Tourism | 3 | 67 | 1601 | 1806 |
| 878 | Intelligence | 4 | 67 | 211 | 313 |
| 878 | Malaria | 1 | 67 | 1233 | 874 |
| 878 | peptides | 5 | 67 | 701 | 847 |
| 878 | Bacterial infections | 3 | 67 | 833 | 1323 |
| 878 | Capital asset pricing model | 4 | 67 | 34 | 58 |
| 886 | Psychoneuroimmunology | 2 | 66 | 749 | 991 |
| 886 | Neuroimmunology | 2 | 66 | 825 | 1063 |
| 888 | Schizophrenia | 3 | 65 | 1015 | 1300 |
| 888 | Cardiovascular diseases | 5 | 65 | 1284 | 1725 |
| 888 | Interfaces | 7 | 65 | 115 | 316 |
| 888 | Biomolecules | 3 | 65 | 465 | 730 |
| 892 | Calculus of Variations | 6 | 64 | 325 | 408 |
| 892 | Turbulence | 2 | 64 | 309 | 222 |
| 894 | Nanomedicine | 1 | 63 | 486 | 392 |
| 894 | Applied Linguistics | 5 | 63 | 413 | 489 |
| 894 | Statistical Mechanics | 17 | 63 | 352 | 771 |
| 894 | Combinatorial optimization | 5 | 63 | 327 | 305 |
| 894 | Biomass | 3 | 63 | 619 | 1047 |
| 899 | Radiology | 4 | 62 | 1289 | 1358 |
| 899 | Economic Geography | 5 | 62 | 236 | 389 |
| 899 | Plant Ecology | 3 | 62 | 1716 | 2212 |
| 899 | ethnicity | 5 | 62 | 516 | 572 |
| 899 | Biological Systems | 3 | 62 | 823 | 834 |
| 899 | freshwater biology | 4 | 62 | 820 | 1081 |
| 899 | Perception | 3 | 62 | 1772 | 2089 |
| 899 | venom | 2 | 62 | 955 | 912 |
| 899 | Toxins | 2 | 62 | 1066 | 1002 |
| 908 | Chemical Ecology | 1 | 61 | 861 | 738 |
| 908 | Risk assessment | 3 | 61 | 641 | 647 |
| 908 | intergroup relations | 3 | 61 | 177 | 265 |
| 908 | pheromones | 1 | 61 | 801 | 709 |
| 912 | Greenhouse gases | 1 | 60 | 626 | 564 |
| 912 | Cognitive neuroscience | 8 | 60 | 570 | 1214 |
| 912 | Industrial Policy | 8 | 60 | 230 | 570 |
| 912 | Synthetic biology | 5 | 60 | 249 | 454 |
| 912 | health services | 5 | 60 | 783 | 1192 |
| 917 | Architectural Design | 3 | 59 | 448 | 352 |
| 917 | Heterocyclic chemistry | 1 | 59 | 1028 | 351 |
| 917 | Asymmetric synthesis | 1 | 59 | 306 | 64 |
| 917 | ethnic groups | 1 | 59 | 596 | 367 |
| 917 | Cell cycle | 2 | 59 | 421 | 428 |
| 917 | cell proliferation | 2 | 59 | 470 | 463 |
| 923 | biochemical markers | 4 | 58 | 751 | 1010 |
| 924 | Diagnosis | 4 | 57 | 539 | 741 |
| 924 | preventive medicine | 3 | 57 | 1205 | 1625 |
| 924 | Neuroplasticity | 8 | 57 | 156 | 618 |
| 924 | population geography | 8 | 57 | 160 | 454 |
| 928 | Genetic Research | 4 | 56 | 106 | 202 |
| 928 | Multilingualism | 1 | 56 | 527 | 312 |
| 928 | Lipids | 4 | 56 | 1162 | 1873 |
| 928 | Memory | 1 | 56 | 2719 | 2233 |
| 932 | Dermatology | 6 | 55 | 1256 | 1851 |
| 932 | Laser therapy | 6 | 55 | 244 | 392 |
| 932 | Entropy | 9 | 55 | 548 | 1098 |
| 932 | association | 2 | 55 | 74 | 95 |
| 932 | Jurisprudence | 2 | 55 | 1119 | 916 |
| 932 | Organizations | 2 | 55 | 74 | 95 |
| 938 | plankton | 5 | 54 | 124 | 295 |
| 938 | food industry | 2 | 54 | 855 | 745 |
| 938 | Nitric oxide | 1 | 54 | 495 | 452 |
| 941 | Clinical Biochemistry | 2 | 53 | 1500 | 1529 |
| 941 | information policy | 5 | 53 | 25 | 43 |
| 941 | women | 1 | 53 | 1441 | 678 |
| 944 | Hemodynamics | 1 | 52 | 923 | 990 |
| 944 | Social perception | 2 | 52 | 136 | 179 |
| 944 | design | 1 | 52 | 499 | 227 |
| 944 | disease susceptibility | 3 | 52 | 400 | 551 |
| 944 | Social behavior | 2 | 52 | 1404 | 1427 |
| 944 | symptoms | 3 | 52 | 400 | 551 |
| 950 | Communism | 3 | 51 | 124 | 126 |
| 950 | elasticity | 5 | 51 | 154 | 242 |
| 950 | Ultrasonic Imaging | 7 | 51 | 273 | 671 |
| 953 | Industrial Organization | 6 | 50 | 166 | 388 |
| 953 | Knowledge management | 4 | 50 | 388 | 402 |
| 955 | Coastal zone management | 3 | 48 | 649 | 924 |
| 955 | Sustainable agriculture | 1 | 48 | 1320 | 992 |
| 955 | risk factors | 3 | 48 | 697 | 962 |
| 958 | Pediatrics | 2 | 47 | 2837 | 3189 |
| 958 | Microstructure | 10 | 47 | 330 | 870 |
| 958 | traffic safety | 1 | 47 | 561 | 384 |
| 961 | Logic | 2 | 46 | 564 | 373 |
| 961 | older people | 4 | 46 | 1400 | 1531 |
| 961 | feeding behavior | 1 | 46 | 1122 | 1096 |
| 961 | Social work | 4 | 46 | 1208 | 1395 |
| 961 | Appetite | 1 | 46 | 996 | 992 |
| 966 | soil management | 2 | 45 | 676 | 919 |
| 966 | Technology Assessment | 3 | 45 | 308 | 717 |
| 966 | Indoor air quality | 5 | 45 | 55 | 95 |
| 966 | Family | 2 | 45 | 1142 | 1122 |
| 966 | Southern states | 1 | 45 | 559 | 275 |
| 971 | Cell division | 3 | 44 | 579 | 981 |
| 971 | Steroids | 2 | 44 | 1193 | 1356 |
| 973 | Terahertz Technology | 2 | 43 | 215 | 278 |
| 973 | Democracy | 1 | 43 | 611 | 262 |
| 973 | Democratization | 1 | 43 | 293 | 202 |
| 973 | Shape Memory Alloys | 4 | 43 | 39 | 55 |
| 973 | Shape memory polymers | 4 | 43 | 39 | 55 |
| 973 | Shape Memory Effect | 4 | 43 | 39 | 55 |
| 973 | biomimicry | 1 | 43 | 280 | 260 |
| 973 | Genes | 6 | 43 | 799 | 1645 |
| 981 | Graph Theory | 7 | 42 | 459 | 593 |
| 981 | bioclimatology | 3 | 42 | 938 | 1313 |
| 981 | Methodology | 2 | 42 | 638 | 555 |
| 981 | arthritis | 2 | 42 | 1381 | 1902 |
| 981 | Methods | 2 | 42 | 157 | 123 |
| 981 | biomedicine | 2 | 42 | 1244 | 1420 |
| 981 | DNA | 8 | 42 | 270 | 887 |
| 981 | Population Dynamics | 4 | 42 | 129 | 286 |
| 989 | Geomagnetism | 1 | 41 | 899 | 805 |
| 989 | Popular culture | 1 | 41 | 884 | 323 |
| 991 | Labor Economics | 1 | 40 | 826 | 615 |
| 991 | Organizational learning | 2 | 40 | 659 | 501 |
| 991 | air quality | 3 | 40 | 191 | 385 |
| 991 | labor | 1 | 40 | 636 | 326 |
| 991 | working class | 1 | 40 | 359 | 260 |
| 996 | Industrial Statistics | 7 | 39 | 62 | 190 |
| 996 | microwave antennas | 2 | 39 | 530 | 485 |
| 996 | Health | 1 | 39 | 3647 | 2989 |
| 996 | Mobile Commerce | 1 | 39 | 730 | 207 |
| 1000 | Clinical Immunology | 1 | 38 | 1974 | 1900 |