| 1 | Chemistry | 1,597 | 101.2K | 247 | 233 |
| 2 | Nanotechnology | 1,466 | 81.7K | 48 | 62 |
| 3 | Materials | 1,563 | 75.0K | 86 | 103 |
| 4 | Physics | 1,049 | 62.9K | 402 | 415 |
| 5 | Biology | 550 | 55.2K | 486 | 386 |
| 6 | Science | 677 | 53.0K | 432 | 404 |
| 7 | Optical materials | 783 | 42.5K | 18 | 18 |
| 8 | Chemical Engineering | 640 | 34.3K | 134 | 100 |
| 9 | nanoscience | 566 | 32.0K | 39 | 51 |
| 10 | Biocompatible Materials | 682 | 31.7K | 66 | 92 |
| 11 | Materials Science | 744 | 31.5K | 105 | 128 |
| 12 | Nanostructured Materials | 567 | 31.2K | 49 | 38 |
| 13 | Optics | 1,079 | 29.7K | 69 | 50 |
| 14 | Natural history | 29 | 25.5K | 894 | 380 |
| 15 | Photonics | 588 | 24.4K | 14 | 25 |
| 16 | Molecular Biology | 651 | 22.7K | 398 | 492 |
| 17 | Biochemical Engineering | 491 | 22.2K | 49 | 113 |
| 18 | Building Materials | 544 | 21.4K | 11 | 13 |
| 19 | Analytical Chemistry | 644 | 20.4K | 70 | 94 |
| 20 | Signal Processing | 540 | 19.7K | 45 | 75 |
| 21 | Biotechnology | 448 | 19.5K | 189 | 266 |
| 22 | Composite Materials | 329 | 17.6K | 77 | 75 |
| 23 | Image Processing | 418 | 17.0K | 32 | 52 |
| 24 | Catalysis | 303 | 16.4K | 251 | 220 |
| 25 | Wireless Communication Systems | 494 | 16.3K | 24 | 38 |
| 26 | Medicine | 593 | 14.6K | 500 | 662 |
| 27 | Biomedical Engineering | 447 | 12.8K | 133 | 196 |
| 28 | Pollution | 336 | 12.4K | 264 | 397 |
| 29 | Bioengineering | 261 | 12.1K | 201 | 268 |
| 30 | Biochemistry | 580 | 12.0K | 628 | 829 |
| 31 | Nanoparticles | 221 | 11.7K | 48 | 39 |
| 32 | Telecommunication | 190 | 11.6K | 167 | 126 |
| 33 | Artificial Intelligence | 456 | 11.5K | 52 | 138 |
| 34 | Ecology | 256 | 11.2K | 520 | 585 |
| 35 | Neural circuitry | 366 | 11.1K | 19 | 25 |
| 36 | fuel cells | 145 | 10.6K | 48 | 54 |
| 37 | Research | 444 | 10.3K | 502 | 623 |
| 38 | Microbiology | 288 | 10.1K | 506 | 619 |
| 39 | Energy Conversion | 112 | 10.1K | 73 | 88 |
| 40 | Magnetic Materials | 274 | 9.9K | 20 | 16 |
| 41 | Environment | 211 | 9.7K | 380 | 531 |
| 42 | energy conservation | 116 | 9.5K | 109 | 79 |
| 43 | concrete | 154 | 8.9K | 31 | 47 |
| 44 | Environmental Health | 256 | 8.7K | 281 | 410 |
| 45 | Cybernetics | 204 | 8.6K | 25 | 56 |
| 46 | Colloids | 309 | 8.5K | 188 | 274 |
| 47 | actuators | 212 | 8.4K | 51 | 53 |
| 47 | transducers | 212 | 8.4K | 51 | 53 |
| 49 | internet | 227 | 8.2K | 15 | 16 |
| 50 | Internet of Things | 225 | 8.2K | 14 | 11 |
| 51 | environmental pollution | 222 | 7.7K | 243 | 315 |
| 52 | Electrochemistry | 244 | 7.1K | 344 | 282 |
| 53 | Cytology | 194 | 7.0K | 416 | 550 |
| 54 | Surface Chemistry | 266 | 6.9K | 215 | 318 |
| 55 | miniaturization | 130 | 6.9K | 119 | 164 |
| 56 | Information Science | 222 | 6.9K | 37 | 70 |
| 57 | Renewable Energy Sources | 118 | 6.7K | 147 | 232 |
| 58 | Microelectronics | 130 | 6.6K | 127 | 151 |
| 59 | computer networks | 221 | 6.4K | 66 | 87 |
| 60 | Radio | 175 | 6.4K | 74 | 111 |
| 61 | Information Technology | 95 | 6.3K | 128 | 67 |
| 62 | Environmental monitoring | 148 | 6.2K | 234 | 257 |
| 63 | Lightweight concrete | 101 | 6.2K | 7 | 15 |
| 64 | Environmental Chemistry | 43 | 6.1K | 312 | 174 |
| 65 | Biophysics | 295 | 6.0K | 493 | 671 |
| 66 | Diagnostic Imaging | 132 | 6.0K | 107 | 90 |
| 67 | Polymers | 312 | 5.9K | 330 | 466 |
| 68 | Water | 104 | 5.9K | 263 | 261 |
| 69 | Radio waves | 164 | 5.8K | 37 | 49 |
| 70 | lasers | 249 | 5.8K | 60 | 65 |
| 71 | Computer Vision | 108 | 5.8K | 47 | 78 |
| 72 | Transportation | 96 | 5.7K | 170 | 90 |
| 73 | Communication | 71 | 5.6K | 257 | 126 |
| 74 | Environmental Management | 119 | 5.6K | 163 | 165 |
| 75 | Signal Transduction | 41 | 5.6K | 234 | 66 |
| 76 | Cell Biology | 178 | 5.5K | 399 | 611 |
| 77 | Optical Communications | 209 | 5.5K | 8 | 3 |
| 78 | Cancer | 155 | 5.5K | 329 | 403 |
| 79 | Environmental Policy | 121 | 5.4K | 224 | 266 |
| 80 | Rock Mechanics | 169 | 5.3K | 32 | 45 |
| 81 | Water pollution | 105 | 5.2K | 259 | 249 |
| 82 | Environmental Engineering | 117 | 5.1K | 329 | 351 |
| 83 | environmental protection | 144 | 5.1K | 185 | 226 |
| 84 | Automation | 143 | 5.0K | 170 | 251 |
| 85 | Intelligent Transportation Systems | 125 | 4.9K | 43 | 37 |
| 86 | Energy Policy | 133 | 4.9K | 139 | 230 |
| 87 | Neurology | 188 | 4.8K | 609 | 787 |
| 88 | Multimedia Systems | 208 | 4.8K | 34 | 35 |
| 89 | Biosensors | 121 | 4.7K | 41 | 76 |
| 90 | Bioinformatics | 165 | 4.6K | 88 | 195 |
| 91 | polymerization | 256 | 4.6K | 301 | 448 |
| 92 | Soil Mechanics | 179 | 4.5K | 36 | 75 |
| 93 | Structural Engineering | 183 | 4.4K | 83 | 102 |
| 94 | Energy Storage | 83 | 4.4K | 70 | 60 |
| 95 | Computational Biology | 145 | 4.4K | 154 | 254 |
| 96 | Engineering | 226 | 4.3K | 194 | 233 |
| 97 | Metals | 77 | 4.2K | 278 | 201 |
| 98 | Radiography | 55 | 4.1K | 105 | 88 |
| 99 | Light | 15 | 4.1K | 346 | 128 |
| 100 | Systems Engineering | 161 | 4.1K | 65 | 92 |
| 101 | Electronics | 225 | 4.1K | 220 | 324 |
| 102 | Mobile Computing | 141 | 3.9K | 20 | 39 |
| 103 | Engineering Geology | 144 | 3.9K | 53 | 85 |
| 104 | Evolutionary Computation | 88 | 3.9K | 9 | 48 |
| 105 | Electromagnetism | 146 | 3.8K | 21 | 21 |
| 106 | China | 230 | 3.8K | 117 | 131 |
| 107 | Behavior | 78 | 3.8K | 491 | 488 |
| 108 | Ocean Engineering | 174 | 3.8K | 84 | 132 |
| 109 | Earthquake Engineering | 150 | 3.7K | 84 | 130 |
| 110 | Nanostructures | 80 | 3.7K | 126 | 178 |
| 111 | Computer Graphics | 190 | 3.7K | 72 | 140 |
| 112 | Membranes | 80 | 3.6K | 226 | 235 |
| 113 | Mathematics | 343 | 3.6K | 522 | 609 |
| 114 | Green Chemistry | 93 | 3.5K | 138 | 208 |
| 115 | Nutrition | 124 | 3.4K | 451 | 558 |
| 116 | Carbon | 66 | 3.4K | 106 | 141 |
| 117 | Detectors | 171 | 3.4K | 27 | 27 |
| 118 | Biomass Energy | 71 | 3.4K | 267 | 321 |
| 119 | Statistical physics | 174 | 3.4K | 435 | 537 |
| 120 | Solid State Physics | 207 | 3.3K | 487 | 633 |
| 121 | Manufacturing Processes | 104 | 3.3K | 210 | 196 |
| 122 | human behavior | 59 | 3.3K | 410 | 432 |
| 123 | multimedia | 94 | 3.1K | 28 | 29 |
| 123 | Interactive multimedia | 94 | 3.1K | 30 | 29 |
| 125 | Nuclear Physics | 206 | 3.1K | 683 | 861 |
| 126 | Toxicology | 135 | 3.1K | 499 | 686 |
| 127 | Food | 104 | 3.0K | 281 | 353 |
| 128 | Pharmacology | 190 | 3.0K | 573 | 845 |
| 129 | Bioelectronics | 74 | 2.9K | 56 | 124 |
| 130 | Technology | 106 | 2.9K | 444 | 447 |
| 131 | Genetic algorithms | 50 | 2.9K | 14 | 50 |
| 132 | Agricultural Chemistry | 79 | 2.9K | 247 | 246 |
| 133 | Metallurgy | 74 | 2.9K | 327 | 286 |
| 134 | Immunology | 76 | 2.8K | 566 | 623 |
| 135 | Human genetics | 15 | 2.7K | 786 | 732 |
| 136 | Psychophysiology | 109 | 2.7K | 391 | 530 |
| 137 | sanitation | 48 | 2.6K | 269 | 337 |
| 138 | Condensed Matter | 159 | 2.6K | 527 | 679 |
| 139 | Hazardous waste | 30 | 2.6K | 100 | 41 |
| 140 | radioactive waste | 29 | 2.6K | 73 | 40 |
| 140 | industrial waste | 29 | 2.6K | 84 | 40 |
| 142 | Boundary Value Problems | 103 | 2.6K | 17 | 21 |
| 143 | Ceramic materials | 40 | 2.6K | 192 | 76 |
| 144 | Oncology | 53 | 2.6K | 342 | 559 |
| 145 | Psychiatry | 97 | 2.6K | 593 | 734 |
| 146 | management | 107 | 2.6K | 387 | 644 |
| 147 | Antenna Arrays | 99 | 2.5K | 18 | 21 |
| 148 | Fiber Optics | 132 | 2.5K | 47 | 79 |
| 149 | Virology | 42 | 2.5K | 626 | 667 |
| 150 | Ceramics | 43 | 2.4K | 222 | 124 |
| 150 | Nanophotonics | 73 | 2.4K | 2 | 3 |
| 152 | Energy Harvesting | 21 | 2.3K | 104 | 85 |
| 153 | Production Management | 35 | 2.3K | 205 | 201 |
| 154 | Cement | 32 | 2.3K | 94 | 93 |
| 155 | biocatalysis | 5 | 2.2K | 108 | 49 |
| 155 | Homogeneous catalysis | 5 | 2.2K | 108 | 49 |
| 155 | Heterogeneous catalysis | 5 | 2.2K | 108 | 49 |
| 158 | Recycling | 34 | 2.2K | 51 | 56 |
| 159 | nucleic acids | 34 | 2.2K | 432 | 422 |
| 160 | Sustainable Engineering | 73 | 2.1K | 125 | 227 |
| 161 | Sustainable Development | 72 | 2.1K | 94 | 226 |
| 162 | Environmental Toxicology | 84 | 2.1K | 166 | 345 |
| 163 | Nanobiotechnology | 39 | 2.1K | 35 | 32 |
| 164 | Medical Oncology | 52 | 2.1K | 296 | 291 |
| 165 | Structural dynamics | 57 | 2.1K | 117 | 158 |
| 166 | Microbial Ecology | 62 | 2.1K | 366 | 518 |
| 167 | vibration | 57 | 2.0K | 116 | 123 |
| 168 | Mycology | 29 | 2.0K | 398 | 209 |
| 169 | United States | 61 | 2.0K | 861 | 734 |
| 170 | Medical Microbiology | 29 | 2.0K | 600 | 464 |
| 171 | Organic Chemistry | 72 | 2.0K | 612 | 601 |
| 172 | Computational Intelligence | 84 | 1.9K | 4 | 13 |
| 173 | Fungi | 23 | 1.9K | 271 | 151 |
| 174 | Cell death | 69 | 1.9K | 108 | 264 |
| 175 | Botany | 83 | 1.9K | 713 | 898 |
| 176 | Environmental pollutants | 77 | 1.9K | 167 | 290 |
| 177 | Food additives | 40 | 1.9K | 132 | 146 |
| 178 | Production Engineering | 94 | 1.8K | 163 | 186 |
| 179 | Spectrum analysis | 118 | 1.8K | 625 | 956 |
| 180 | Power Electronics | 30 | 1.8K | 260 | 224 |
| 181 | Pharmaceutical Chemistry | 95 | 1.8K | 518 | 737 |
| 182 | Tunneling | 81 | 1.8K | 20 | 39 |
| 182 | underground construction | 81 | 1.8K | 20 | 39 |
| 184 | Cognitive Science | 54 | 1.8K | 178 | 263 |
| 185 | Psychology | 146 | 1.8K | 564 | 858 |
| 186 | hydrocolloids | 35 | 1.8K | 99 | 128 |
| 187 | Environmental Law | 27 | 1.8K | 209 | 215 |
| 188 | environmental exposure | 69 | 1.8K | 134 | 197 |
| 189 | Environmental Microbiology | 35 | 1.8K | 230 | 280 |
| 190 | Clinical Chemistry | 77 | 1.8K | 390 | 537 |
| 191 | Marine resources | 59 | 1.8K | 17 | 25 |
| 192 | Logistics | 50 | 1.8K | 29 | 37 |
| 193 | pollutants | 71 | 1.8K | 142 | 258 |
| 193 | Nervous system | 94 | 1.8K | 297 | 551 |
| 195 | Nuclear Fusion | 147 | 1.7K | 50 | 85 |
| 195 | Plant physiology | 41 | 1.7K | 482 | 515 |
| 197 | Genomics | 86 | 1.7K | 377 | 580 |
| 198 | Mining Engineering | 39 | 1.7K | 65 | 60 |
| 199 | Industrial Microbiology | 48 | 1.7K | 246 | 356 |
| 200 | Technological Innovations | 42 | 1.7K | 75 | 56 |
| 201 | Public Health | 82 | 1.7K | 777 | 982 |
| 202 | energy resources | 36 | 1.7K | 223 | 328 |
| 203 | Mechatronics | 71 | 1.7K | 45 | 79 |
| 204 | Bioorganic chemistry | 88 | 1.7K | 335 | 573 |
| 205 | Coastal zone management | 48 | 1.6K | 28 | 24 |
| 206 | genome | 51 | 1.6K | 194 | 383 |
| 207 | food technology | 72 | 1.6K | 325 | 451 |
| 208 | Quantum electronics | 86 | 1.6K | 166 | 181 |
| 209 | Diabetes | 48 | 1.6K | 390 | 488 |
| 210 | brain mapping | 49 | 1.6K | 71 | 122 |
| 211 | Business | 31 | 1.6K | 561 | 546 |
| 212 | Mechanical Engineering | 82 | 1.6K | 290 | 256 |
| 213 | Dynamics | 65 | 1.5K | 112 | 82 |
| 214 | free radicals | 20 | 1.5K | 429 | 334 |
| 215 | Solid State Chemistry | 59 | 1.5K | 469 | 396 |
| 216 | Plants | 45 | 1.5K | 388 | 503 |
| 217 | Process Control | 29 | 1.5K | 147 | 192 |
| 218 | Oxidative stress | 17 | 1.5K | 185 | 130 |
| 219 | Cognitive neuroscience | 62 | 1.5K | 129 | 278 |
| 219 | coal | 51 | 1.5K | 219 | 312 |
| 221 | Fuzzy systems | 69 | 1.5K | 92 | 63 |
| 222 | Microorganisms | 28 | 1.5K | 172 | 226 |
| 223 | Diabetes mellitus | 43 | 1.5K | 386 | 483 |
| 224 | Neurochemistry | 56 | 1.5K | 487 | 587 |
| 225 | Medical Laboratory Science | 42 | 1.5K | 364 | 480 |
| 226 | Genetics | 50 | 1.5K | 735 | 966 |
| 227 | Socioeconomic Factors | 5 | 1.5K | 522 | 56 |
| 228 | soil microbiology | 21 | 1.4K | 470 | 422 |
| 229 | poverty | 4 | 1.4K | 293 | 14 |
| 229 | healthcare disparities | 4 | 1.4K | 349 | 25 |
| 231 | Solar Energy | 51 | 1.4K | 173 | 298 |
| 232 | Mental Disorders | 39 | 1.4K | 612 | 653 |
| 233 | Ultrasonics | 45 | 1.4K | 150 | 174 |
| 234 | Project Management | 8 | 1.4K | 127 | 53 |
| 235 | plant molecular biology | 33 | 1.4K | 358 | 486 |
| 236 | Operations Research | 57 | 1.4K | 396 | 470 |
| 236 | Neurophysiology | 57 | 1.4K | 585 | 782 |
| 238 | Oxidation-reduction | 16 | 1.4K | 249 | 210 |
| 239 | Genetic engineering | 57 | 1.4K | 270 | 471 |
| 240 | pigments | 61 | 1.4K | 50 | 62 |
| 241 | finance | 91 | 1.3K | 225 | 413 |
| 242 | sustainability | 30 | 1.3K | 99 | 165 |
| 243 | Electrical Engineering | 79 | 1.3K | 538 | 447 |
| 244 | enzymes | 26 | 1.3K | 391 | 271 |
| 245 | Medical Physics | 53 | 1.3K | 332 | 405 |
| 246 | Economics | 90 | 1.3K | 722 | 865 |
| 247 | Diet | 48 | 1.3K | 353 | 538 |
| 248 | Animal Behavior | 18 | 1.2K | 681 | 522 |
| 248 | Cell differentiation | 23 | 1.2K | 480 | 508 |
| 250 | Drug delivery systems | 27 | 1.2K | 338 | 324 |
| 251 | Fracture mechanics | 54 | 1.2K | 224 | 230 |
| 252 | Microwaves | 84 | 1.2K | 170 | 224 |
| 253 | Marine Biology | 57 | 1.2K | 503 | 641 |
| 254 | Nanochemistry | 65 | 1.1K | 45 | 60 |
| 254 | Oncogenes | 27 | 1.1K | 301 | 412 |
| 256 | Social Change | 30 | 1.1K | 110 | 225 |
| 257 | Human-Computer Interaction | 33 | 1.1K | 239 | 229 |
| 257 | environmental indicators | 25 | 1.1K | 194 | 166 |
| 257 | Land use | 31 | 1.1K | 157 | 159 |
| 260 | optical devices | 37 | 1.1K | 16 | 14 |
| 261 | Endocrinology | 33 | 1.1K | 781 | 861 |
| 262 | Social Sciences | 105 | 1.1K | 343 | 558 |
| 263 | Epidemiology | 48 | 1.1K | 709 | 785 |
| 264 | Ethology | 7 | 1.1K | 874 | 484 |
| 265 | Swarm Intelligence | 41 | 1.1K | 6 | 35 |
| 266 | city planning | 46 | 1.0K | 244 | 286 |
| 267 | Physical Chemistry | 20 | 1.0K | 823 | 634 |
| 268 | Physiology | 55 | 1.0K | 870 | 1179 |
| 269 | Herbal medicine | 33 | 1.0K | 78 | 99 |
| 269 | Mental illness | 13 | 1.0K | 762 | 583 |
| 271 | Data Mining | 56 | 1.0K | 109 | 360 |
| 272 | Databases | 27 | 1.0K | 86 | 87 |
| 273 | Neuropsychology | 52 | 1.0K | 457 | 617 |
| 274 | Asia | 80 | 990 | 209 | 326 |
| 275 | Robotics | 34 | 989 | 397 | 371 |
| 276 | Immunotherapy | 65 | 982 | 218 | 532 |
| 277 | System analysis | 65 | 980 | 303 | 489 |
| 278 | Marine Pollution | 41 | 972 | 152 | 297 |
| 279 | Medical genetics | 27 | 967 | 755 | 869 |
| 279 | Measurement | 50 | 967 | 122 | 171 |
| 281 | Hypertension | 23 | 954 | 485 | 584 |
| 282 | Geriatrics | 37 | 952 | 663 | 644 |
| 283 | International Finance | 73 | 949 | 123 | 361 |
| 284 | health planning | 40 | 945 | 392 | 357 |
| 285 | Remote Sensing | 92 | 938 | 68 | 157 |
| 286 | Heat Exchangers | 34 | 934 | 221 | 306 |
| 287 | Systems Biology | 43 | 927 | 226 | 297 |
| 287 | rehabilitation | 35 | 927 | 469 | 515 |
| 289 | Mathematical Physics | 62 | 907 | 615 | 711 |
| 290 | solar cells | 27 | 905 | 136 | 208 |
| 291 | Semiconductors | 55 | 886 | 311 | 344 |
| 292 | gene mapping | 49 | 884 | 288 | 581 |
| 293 | Educational Technology | 20 | 878 | 457 | 288 |
| 294 | Chromosome mapping | 48 | 875 | 256 | 504 |
| 295 | Organometallic chemistry | 39 | 869 | 411 | 323 |
| 296 | Brain | 48 | 868 | 645 | 868 |
| 297 | Sports | 33 | 866 | 559 | 539 |
| 298 | Molecular Spectroscopy | 48 | 856 | 234 | 324 |
| 299 | Nuclear Engineering | 97 | 845 | 159 | 249 |
| 300 | solar power | 25 | 841 | 123 | 198 |
| 301 | Economic History | 50 | 836 | 642 | 693 |
| 302 | Computer Science | 68 | 823 | 149 | 274 |
| 303 | Inflammation | 18 | 815 | 313 | 323 |
| 304 | Soil Science | 21 | 801 | 609 | 554 |
| 305 | Developmental Biology | 21 | 788 | 632 | 713 |
| 305 | Medical innovations | 17 | 788 | 273 | 432 |
| 307 | Immunopharmacology | 56 | 785 | 91 | 193 |
| 308 | Cerebral cortex | 51 | 777 | 134 | 331 |
| 309 | Medical Technology | 31 | 774 | 272 | 352 |
| 310 | Mineral resources | 14 | 773 | 123 | 84 |
| 311 | cytokines | 53 | 772 | 93 | 324 |
| 312 | Nondestructive testing | 18 | 767 | 158 | 92 |
| 313 | Developing countries | 47 | 758 | 341 | 530 |
| 314 | Geophysics | 45 | 754 | 882 | 1119 |
| 315 | big data | 23 | 749 | 43 | 56 |
| 316 | Visual Communication | 31 | 748 | 29 | 25 |
| 316 | Image enhancement | 31 | 748 | 27 | 24 |
| 318 | Metabolism | 24 | 743 | 832 | 957 |
| 319 | Database Management | 31 | 738 | 166 | 212 |
| 319 | dietary supplements | 34 | 738 | 64 | 138 |
| 321 | Bioinorganic chemistry | 25 | 728 | 428 | 400 |
| 322 | Histology | 17 | 727 | 709 | 597 |
| 323 | Social behavior | 28 | 719 | 291 | 370 |
| 324 | Economic Development | 6 | 718 | 992 | 496 |
| 325 | Business Ethics | 9 | 717 | 489 | 448 |
| 326 | Solitons | 42 | 716 | 92 | 199 |
| 326 | Fractals | 42 | 716 | 94 | 199 |
| 326 | Chaos | 42 | 716 | 92 | 199 |
| 329 | Cardiovascular diseases | 36 | 715 | 377 | 454 |
| 330 | Statistics | 80 | 712 | 426 | 665 |
| 331 | Cell cycle | 7 | 710 | 140 | 45 |
| 331 | cell proliferation | 7 | 710 | 166 | 45 |
| 333 | Plant Ecology | 13 | 708 | 786 | 670 |
| 334 | Ultrasound | 28 | 706 | 147 | 169 |
| 335 | Metabolic diseases | 16 | 703 | 847 | 887 |
| 336 | Ergonomics | 32 | 698 | 211 | 207 |
| 337 | Clinical Biochemistry | 7 | 697 | 695 | 313 |
| 337 | marketing | 27 | 697 | 540 | 688 |
| 339 | Sonochemistry | 17 | 694 | 118 | 174 |
| 340 | Structural health monitoring | 13 | 686 | 38 | 28 |
| 340 | structural stability | 13 | 686 | 92 | 84 |
| 342 | electric vehicles | 16 | 680 | 82 | 51 |
| 343 | Telecommunication Systems | 62 | 673 | 124 | 296 |
| 343 | infection | 14 | 673 | 613 | 538 |
| 345 | Industrial Safety | 13 | 672 | 432 | 244 |
| 346 | Surface-Active Agents | 24 | 669 | 198 | 295 |
| 346 | mass transfer | 27 | 669 | 530 | 609 |
| 346 | Surface properties | 24 | 669 | 219 | 325 |
| 349 | Education | 25 | 662 | 1145 | 882 |
| 350 | Enzyme | 3 | 659 | 513 | 127 |
| 350 | Aging | 33 | 659 | 677 | 814 |
| 352 | Luminescence | 55 | 657 | 99 | 207 |
| 352 | Glass | 30 | 657 | 226 | 303 |
| 354 | Energy Consumption | 7 | 656 | 191 | 135 |
| 355 | natural products | 40 | 636 | 303 | 447 |
| 356 | Cloud Computing | 18 | 634 | 39 | 37 |
| 356 | Sports Medicine | 33 | 634 | 646 | 722 |
| 358 | Europe | 24 | 631 | 973 | 826 |
| 359 | Plant cells | 24 | 629 | 348 | 642 |
| 360 | Social Psychology | 35 | 627 | 532 | 790 |
| 361 | Industrial Engineering | 26 | 624 | 483 | 557 |
| 362 | pottery | 27 | 616 | 240 | 315 |
| 363 | Nonlinear Dynamics | 33 | 614 | 623 | 730 |
| 364 | Recombinant DNA | 33 | 604 | 264 | 436 |
| 365 | Electrochemical Analysis | 24 | 589 | 471 | 493 |
| 366 | Entropy | 24 | 588 | 184 | 105 |
| 367 | biofuels | 12 | 587 | 73 | 106 |
| 368 | Infections | 6 | 584 | 672 | 459 |
| 369 | Geographic information systems | 45 | 583 | 88 | 153 |
| 370 | Molecular cloning | 29 | 582 | 280 | 420 |
| 371 | Investment analysis | 34 | 580 | 72 | 157 |
| 372 | biological factors | 29 | 577 | 438 | 604 |
| 373 | Humanities | 58 | 573 | 77 | 194 |
| 373 | Immunity | 20 | 573 | 580 | 890 |
| 375 | Parallel Processing | 22 | 570 | 106 | 175 |
| 376 | proteins | 28 | 566 | 547 | 666 |
| 377 | Pathology | 29 | 561 | 585 | 791 |
| 378 | Genetic recombination | 28 | 556 | 279 | 426 |
| 379 | Combinatorial chemistry | 21 | 555 | 169 | 298 |
| 380 | visualization | 67 | 551 | 170 | 269 |
| 381 | software | 24 | 546 | 189 | 327 |
| 382 | Industrial Design | 14 | 541 | 49 | 35 |
| 383 | Population | 13 | 533 | 321 | 266 |
| 384 | Urban Planning | 12 | 529 | 112 | 100 |
| 384 | community development | 12 | 529 | 208 | 105 |
| 384 | Housing | 12 | 529 | 167 | 125 |
| 387 | Numerical Analysis | 36 | 528 | 606 | 656 |
| 388 | Metallic Glasses | 30 | 520 | 60 | 121 |
| 389 | Sociology | 33 | 516 | 743 | 953 |
| 390 | Tribology | 30 | 515 | 240 | 351 |
| 391 | Alternative Medicine | 21 | 507 | 345 | 406 |
| 392 | mathematical analysis | 77 | 502 | 410 | 730 |
| 393 | Pharmacognosy | 35 | 501 | 401 | 785 |
| 394 | Technology Assessment | 11 | 495 | 65 | 87 |
| 395 | Proteomics | 19 | 489 | 277 | 414 |
| 396 | fusion reactors | 60 | 483 | 54 | 75 |
| 397 | Obesity | 13 | 481 | 787 | 818 |
| 398 | Nonlinear functional analysis | 25 | 480 | 268 | 275 |
| 399 | Metallography | 21 | 477 | 189 | 230 |
| 400 | Information Retrieval | 18 | 473 | 95 | 162 |
| 400 | Chemical analysis | 27 | 473 | 204 | 376 |
| 402 | Egypt | 22 | 471 | 69 | 97 |
| 403 | Geography | 21 | 467 | 683 | 766 |
| 404 | Hemodynamics | 7 | 464 | 362 | 340 |
| 405 | Embryology | 10 | 463 | 723 | 705 |
| 406 | Environmental Geology | 15 | 459 | 635 | 596 |
| 407 | cell interaction | 23 | 454 | 248 | 454 |
| 408 | Adolescent | 24 | 448 | 587 | 720 |
| 409 | commerce | 27 | 447 | 312 | 563 |
| 410 | Urban Policy | 23 | 443 | 154 | 273 |
| 411 | Biodiversity | 14 | 441 | 895 | 868 |
| 412 | complementary therapies | 19 | 434 | 421 | 484 |
| 412 | Plastics | 17 | 434 | 620 | 537 |
| 414 | Proteome | 14 | 427 | 433 | 518 |
| 415 | Cardiovascular system | 10 | 426 | 703 | 799 |
| 416 | Physical Therapy | 9 | 423 | 647 | 541 |
| 417 | Ultrasonic Imaging | 20 | 420 | 102 | 128 |
| 418 | Intelligent Control Systems | 23 | 418 | 200 | 155 |
| 419 | Control Theory | 41 | 415 | 383 | 640 |
| 420 | Hydrology | 20 | 411 | 851 | 967 |
| 421 | economic policy | 23 | 410 | 744 | 671 |
| 422 | Long-Term Care | 4 | 409 | 398 | 237 |
| 422 | Long-term care facilities | 4 | 409 | 396 | 236 |
| 424 | Chemical industry | 22 | 407 | 354 | 336 |
| 425 | Microprocessors | 11 | 406 | 237 | 97 |
| 425 | clay | 9 | 406 | 385 | 355 |
| 427 | Computer Architecture | 10 | 404 | 217 | 91 |
| 427 | Stem cells | 27 | 404 | 370 | 647 |
| 429 | Information Systems | 17 | 399 | 429 | 486 |
| 430 | Orthopedics | 38 | 397 | 355 | 592 |
| 431 | Drug design | 17 | 394 | 484 | 624 |
| 432 | Reproduction | 27 | 392 | 682 | 911 |
| 433 | energy development | 5 | 388 | 569 | 399 |
| 434 | Lipids | 21 | 386 | 362 | 631 |
| 434 | Fisheries | 10 | 386 | 747 | 599 |
| 436 | Health Information Management | 5 | 376 | 168 | 262 |
| 437 | drug development | 6 | 369 | 533 | 574 |
| 438 | Decision making | 19 | 366 | 421 | 553 |
| 439 | Soil dynamics | 15 | 364 | 164 | 193 |
| 439 | Liver diseases | 10 | 364 | 666 | 752 |
| 441 | Growth | 3 | 363 | 909 | 676 |
| 442 | Engineering Mathematics | 24 | 358 | 524 | 598 |
| 443 | Cognitive Radio Networks | 27 | 356 | 13 | 58 |
| 444 | Radio wave propagation | 34 | 355 | 107 | 178 |
| 445 | Medicinal plants | 20 | 354 | 360 | 735 |
| 446 | Neuroimmunology | 12 | 350 | 267 | 396 |
| 446 | Imaging systems | 40 | 350 | 45 | 122 |
| 446 | biopolymers | 23 | 350 | 346 | 545 |
| 449 | Nuclear Energy | 34 | 347 | 196 | 301 |
| 449 | Tourism | 24 | 347 | 417 | 896 |
| 451 | Exercise | 12 | 346 | 644 | 535 |
| 452 | phototherapy | 9 | 345 | 19 | 2 |
| 453 | Plant tissue culture | 7 | 343 | 400 | 265 |
| 453 | Plant cell culture | 7 | 343 | 340 | 262 |
| 455 | Geomorphology | 8 | 341 | 839 | 773 |
| 455 | arthritis | 8 | 341 | 613 | 650 |
| 457 | Flexible electronics | 6 | 340 | 29 | 30 |
| 458 | Differential Equations | 30 | 339 | 225 | 380 |
| 459 | Psychoneuroimmunology | 10 | 338 | 270 | 371 |
| 460 | Sound | 12 | 337 | 462 | 355 |
| 461 | cell physiology | 18 | 336 | 513 | 837 |
| 462 | Neuroplasticity | 9 | 335 | 55 | 65 |
| 463 | carcinogens | 12 | 332 | 366 | 495 |
| 464 | Civil Engineering | 33 | 331 | 297 | 331 |
| 464 | Plant Genetics | 4 | 331 | 547 | 418 |
| 466 | Quantum Gravity | 8 | 328 | 1303 | 1076 |
| 467 | Cell metabolism | 6 | 327 | 383 | 546 |
| 468 | Quality Control | 13 | 325 | 645 | 745 |
| 468 | Food service management | 13 | 325 | 106 | 263 |
| 470 | Biomarkers | 8 | 323 | 165 | 78 |
| 470 | biochemical markers | 8 | 323 | 276 | 153 |
| 470 | gastrointestinal tract | 9 | 323 | 119 | 199 |
| 473 | Carcinogenesis | 10 | 321 | 415 | 494 |
| 474 | Health | 30 | 319 | 514 | 897 |
| 475 | Host-parasite interactions | 8 | 317 | 607 | 771 |
| 475 | Human Resources | 5 | 317 | 315 | 242 |
| 477 | Computer Engineering | 16 | 316 | 224 | 238 |
| 477 | Emerging infectious diseases | 10 | 316 | 85 | 107 |
| 477 | Corporate Social Responsibility | 10 | 316 | 46 | 155 |
| 477 | environmental auditing | 10 | 316 | 48 | 157 |
| 481 | Quantum Optics | 23 | 313 | 228 | 321 |
| 481 | Anxiety Disorders | 5 | 313 | 350 | 351 |
| 481 | Anxiety | 5 | 313 | 353 | 350 |
| 484 | Neurobiology | 17 | 310 | 647 | 954 |
| 484 | Australia | 10 | 310 | 836 | 607 |
| 486 | Sleep Disorders | 9 | 309 | 766 | 660 |
| 486 | alcoholism | 7 | 309 | 792 | 644 |
| 486 | Sleep | 9 | 309 | 773 | 669 |
| 489 | Health Policy | 15 | 307 | 807 | 865 |
| 489 | Informatics | 9 | 307 | 424 | 371 |
| 491 | Molecular Pharmacology | 8 | 306 | 416 | 462 |
| 491 | Smoking | 6 | 306 | 438 | 372 |
| 491 | Substance Abuse | 6 | 306 | 841 | 582 |
| 491 | mycoses | 10 | 306 | 333 | 506 |
| 491 | drug addiction | 6 | 306 | 656 | 551 |
| 496 | Atomic spectroscopy | 22 | 305 | 345 | 443 |
| 496 | Laser Spectroscopy | 22 | 305 | 194 | 286 |
| 498 | Mental Health | 22 | 304 | 447 | 622 |
| 498 | Child welfare | 16 | 304 | 354 | 401 |
| 498 | Trace elements | 10 | 304 | 74 | 117 |
| 501 | Ferroelectricity | 11 | 303 | 503 | 310 |
| 502 | Child | 21 | 302 | 786 | 1028 |
| 502 | Bacterial infections | 6 | 302 | 470 | 513 |
| 504 | Child Development | 21 | 301 | 646 | 987 |
| 505 | construction industry | 15 | 300 | 27 | 24 |
| 506 | Information Theory | 14 | 297 | 596 | 643 |
| 506 | Systems Analysis | 19 | 297 | 310 | 425 |
| 508 | Astronomy | 30 | 292 | 965 | 1420 |
| 508 | Pediatrics | 15 | 292 | 900 | 1155 |
| 510 | data collection | 31 | 291 | 122 | 519 |
| 511 | Regional Planning | 8 | 290 | 853 | 689 |
| 511 | drugs | 18 | 290 | 711 | 948 |
| 513 | gene therapy | 16 | 288 | 359 | 587 |
| 514 | personality | 14 | 287 | 648 | 883 |
| 515 | Radio frequency | 8 | 286 | 249 | 203 |
| 516 | Molecular Imaging | 7 | 285 | 376 | 361 |
| 517 | economic analysis | 6 | 283 | 123 | 70 |
| 518 | Homeostasis | 2 | 282 | 438 | 538 |
| 519 | Evidence-Based Medicine | 12 | 281 | 251 | 259 |
| 520 | disease outbreaks | 1 | 279 | 701 | 284 |
| 520 | Epidemics | 1 | 279 | 673 | 282 |
| 522 | Electrophoresis | 13 | 278 | 710 | 798 |
| 522 | Transport | 11 | 278 | 227 | 299 |
| 524 | Social work | 17 | 277 | 496 | 489 |
| 525 | Microbial Biotechnology | 7 | 276 | 544 | 441 |
| 525 | Cell communication | 12 | 276 | 158 | 346 |
| 527 | Bone diseases | 9 | 274 | 190 | 322 |
| 528 | mutagens | 9 | 273 | 359 | 495 |
| 528 | Toxins | 6 | 273 | 533 | 363 |
| 530 | Diagnostic microbiology | 4 | 272 | 822 | 835 |
| 530 | Chromatographic analysis | 17 | 272 | 684 | 775 |
| 532 | Alzheimer's disease | 23 | 271 | 439 | 511 |
| 533 | Physical fitness | 9 | 269 | 525 | 533 |
| 534 | Astrophysics | 23 | 267 | 1257 | 1588 |
| 534 | infrared radiation | 42 | 267 | 41 | 131 |
| 536 | Orthopedic Surgery | 28 | 266 | 143 | 327 |
| 537 | behavioral medicine | 9 | 265 | 616 | 800 |
| 538 | Food Microbiology | 11 | 261 | 515 | 808 |
| 538 | peptides | 13 | 261 | 234 | 237 |
| 540 | Photochemistry | 12 | 259 | 788 | 884 |
| 540 | micromechanics | 19 | 259 | 152 | 282 |
| 542 | Cellular senescence | 4 | 258 | 200 | 308 |
| 543 | Biodegradation | 13 | 257 | 171 | 383 |
| 544 | population geography | 6 | 255 | 235 | 161 |
| 545 | Cytogenetics | 7 | 241 | 771 | 879 |
| 545 | Sea | 9 | 241 | 234 | 258 |
| 545 | Fishery resources | 9 | 241 | 257 | 281 |
| 548 | Hormones | 7 | 240 | 749 | 724 |
| 548 | carbon monoxide | 3 | 240 | 337 | 207 |
| 550 | Analytical Biochemistry | 13 | 239 | 734 | 890 |
| 550 | Integrated Circuits | 20 | 239 | 196 | 153 |
| 552 | Chromatography | 13 | 237 | 700 | 758 |
| 552 | Respiration | 11 | 237 | 684 | 843 |
| 554 | Public Policy | 14 | 236 | 677 | 879 |
| 555 | Econometrics | 13 | 233 | 604 | 623 |
| 556 | Oceanography | 23 | 232 | 562 | 934 |
| 556 | Animal husbandry | 6 | 232 | 192 | 119 |
| 556 | Soft Condensed Matter | 17 | 232 | 408 | 612 |
| 556 | place marketing | 3 | 232 | 86 | 74 |
| 556 | livestock | 6 | 232 | 346 | 181 |
| 561 | Biomechanics | 16 | 230 | 469 | 719 |
| 562 | Nuclear Medicine | 6 | 229 | 611 | 502 |
| 562 | Earth Sciences | 22 | 229 | 1184 | 1675 |
| 564 | Lightweight Materials | 5 | 227 | 13 | 7 |
| 565 | Optoelectronics | 34 | 226 | 46 | 99 |
| 565 | Waste management | 8 | 226 | 779 | 630 |
| 565 | Synthetic biology | 9 | 226 | 132 | 153 |
| 568 | Cognitive Therapy | 10 | 225 | 271 | 342 |
| 569 | Immunochemistry | 17 | 224 | 273 | 471 |
| 569 | Molecular evolution | 8 | 224 | 784 | 947 |
| 571 | Molecular structure | 16 | 223 | 1000 | 1235 |
| 572 | Bioremediation | 10 | 222 | 284 | 476 |
| 573 | neuronal plasticity | 2 | 221 | 127 | 76 |
| 573 | Optoelectronic devices | 21 | 221 | 195 | 266 |
| 573 | Genetic therapy | 14 | 221 | 397 | 659 |
| 576 | Zeolites | 15 | 220 | 317 | 645 |
| 577 | Naval Architecture | 7 | 217 | 169 | 109 |
| 577 | Biological Systems | 10 | 217 | 168 | 274 |
| 577 | identity recognition | 4 | 217 | 26 | 9 |
| 580 | Functional Analysis | 15 | 214 | 608 | 662 |
| 580 | Histochemistry | 8 | 214 | 609 | 554 |
| 580 | drug evaluation | 9 | 214 | 656 | 711 |
| 583 | risk factors | 6 | 213 | 435 | 399 |
| 583 | Evolution | 7 | 213 | 1078 | 1103 |
| 585 | Horticulture | 6 | 212 | 485 | 314 |
| 586 | Obstetrics | 23 | 209 | 726 | 1167 |
| 586 | Graphene | 3 | 209 | 92 | 65 |
| 586 | Transplantation | 13 | 209 | 434 | 649 |
| 586 | Post-traumatic stress disorder | 9 | 209 | 369 | 467 |
| 586 | Cognition | 23 | 209 | 577 | 1002 |
| 591 | Molecular Genetics | 5 | 208 | 1203 | 1194 |
| 592 | particles | 15 | 207 | 290 | 487 |
| 592 | Building | 9 | 207 | 283 | 224 |
| 592 | synthesis | 11 | 207 | 480 | 369 |
| 595 | Tissue Engineering | 8 | 206 | 138 | 184 |
| 596 | Photobiology | 9 | 205 | 717 | 792 |
| 597 | Immunopathology | 15 | 204 | 493 | 760 |
| 597 | Transnational corporations | 14 | 204 | 45 | 164 |
| 599 | Global Health | 4 | 200 | 841 | 422 |
| 599 | Psycholinguistics | 16 | 200 | 349 | 614 |
| 601 | consumer behavior | 3 | 197 | 520 | 365 |
| 601 | Enteral nutrition | 3 | 197 | 729 | 585 |
| 601 | Parenteral nutrition | 3 | 197 | 850 | 682 |
| 601 | reasoning | 9 | 197 | 131 | 187 |
| 601 | Autism | 12 | 197 | 277 | 478 |
| 606 | Educational Psychology | 13 | 196 | 636 | 844 |
| 607 | language | 10 | 195 | 379 | 527 |
| 608 | Genetic regulation | 11 | 194 | 463 | 740 |
| 608 | biological evolution | 6 | 194 | 1262 | 1389 |
| 608 | Landslides | 2 | 194 | 316 | 203 |
| 611 | Neurolinguistics | 14 | 193 | 145 | 338 |
| 611 | Globalization | 5 | 193 | 394 | 274 |
| 613 | Plant genetic engineering | 6 | 191 | 561 | 626 |
| 614 | Aquatic ecology | 4 | 190 | 751 | 490 |
| 615 | Health Education | 12 | 186 | 783 | 921 |
| 616 | Critical Care | 5 | 185 | 942 | 1034 |
| 617 | Critical Care Medicine | 4 | 184 | 988 | 1020 |
| 617 | child abuse | 13 | 184 | 320 | 563 |
| 617 | pain | 15 | 184 | 520 | 860 |
| 620 | international cooperation | 5 | 183 | 394 | 353 |
| 621 | Eastern Europe | 11 | 182 | 315 | 240 |
| 622 | human development | 10 | 181 | 388 | 546 |
| 622 | Kidney diseases | 10 | 181 | 433 | 577 |
| 622 | venom | 3 | 181 | 711 | 428 |
| 625 | drug resistance | 10 | 180 | 246 | 435 |
| 626 | Quality of life | 12 | 179 | 588 | 1004 |
| 627 | food handling | 7 | 178 | 483 | 669 |
| 628 | Public Administration | 8 | 176 | 758 | 692 |
| 628 | Plant Biotechnology | 4 | 176 | 622 | 488 |
| 628 | Therapeutics | 13 | 176 | 654 | 1018 |
| 628 | Investments | 12 | 176 | 121 | 173 |
| 632 | Microwave devices | 10 | 175 | 225 | 273 |
| 633 | Computational Complexity | 22 | 171 | 183 | 399 |
| 633 | Genes | 11 | 171 | 477 | 662 |
| 635 | Machine Learning | 17 | 170 | 69 | 220 |
| 635 | Harmonic Analysis | 7 | 170 | 73 | 97 |
| 637 | Water quality management | 9 | 169 | 960 | 1013 |
| 638 | Calorimetry | 5 | 168 | 934 | 616 |
| 638 | Thermal analysis | 5 | 168 | 934 | 616 |
| 640 | natural disasters | 9 | 166 | 640 | 891 |
| 641 | Teaching | 12 | 163 | 792 | 941 |
| 642 | cloning | 6 | 162 | 386 | 571 |
| 643 | Diagnosis | 10 | 161 | 135 | 188 |
| 643 | food contamination | 10 | 161 | 377 | 501 |
| 645 | Forecasting | 7 | 160 | 284 | 316 |
| 645 | Primary health care | 12 | 160 | 687 | 902 |
| 645 | Speech Disorders | 14 | 160 | 415 | 631 |
| 648 | Aquaculture | 9 | 159 | 766 | 904 |
| 649 | Ophthalmology | 18 | 158 | 677 | 1086 |
| 649 | Flow cytometry | 5 | 158 | 241 | 245 |
| 651 | Speech | 14 | 157 | 350 | 620 |
| 652 | hygiene | 1 | 156 | 843 | 296 |
| 653 | microwave communication systems | 9 | 154 | 183 | 248 |
| 653 | Memory | 10 | 154 | 814 | 1115 |
| 655 | Population Genetics | 2 | 153 | 1157 | 897 |
| 655 | Molecular ecology | 2 | 153 | 1018 | 904 |
| 657 | Embedded Systems | 6 | 152 | 130 | 100 |
| 658 | plasticity | 3 | 151 | 329 | 364 |
| 659 | Antioxidants | 6 | 150 | 488 | 733 |
| 660 | Smart Materials | 13 | 149 | 345 | 581 |
| 660 | Friction | 8 | 149 | 33 | 84 |
| 662 | Neurotoxicology | 7 | 148 | 297 | 442 |
| 663 | Bioprinting | 5 | 147 | 21 | 28 |
| 664 | hazard mitigation | 6 | 145 | 568 | 638 |
| 665 | Arts | 21 | 144 | 41 | 78 |
| 665 | optical pattern recognition | 16 | 144 | 15 | 25 |
| 667 | Nuclear Chemistry | 34 | 141 | 194 | 533 |
| 667 | Radiochemistry | 34 | 141 | 165 | 454 |
| 669 | Water Purification | 6 | 139 | 763 | 689 |
| 669 | biomedicine | 6 | 139 | 268 | 413 |
| 671 | Hematology | 15 | 138 | 922 | 1340 |
| 671 | Ecological Engineering | 5 | 138 | 457 | 621 |
| 671 | Virulence | 9 | 138 | 526 | 984 |
| 674 | Traffic Engineering | 7 | 136 | 217 | 349 |
| 674 | Metabolic syndrome | 14 | 136 | 45 | 128 |
| 676 | Mechanics | 6 | 135 | 915 | 743 |
| 676 | North America | 5 | 135 | 562 | 443 |
| 678 | East Asia | 13 | 134 | 176 | 227 |
| 678 | ports | 10 | 134 | 75 | 134 |
| 678 | Industry | 1 | 134 | 433 | 297 |
| 678 | natural gas | 5 | 134 | 231 | 269 |
| 682 | planning | 4 | 133 | 605 | 406 |
| 683 | Neurotransmitters | 3 | 132 | 491 | 338 |
| 683 | adolescence | 8 | 132 | 504 | 677 |
| 685 | Calculus of Variations | 4 | 130 | 464 | 286 |
| 685 | Securities | 4 | 130 | 227 | 264 |
| 685 | Vocational guidance | 4 | 130 | 707 | 710 |
| 685 | toxicity testing | 6 | 130 | 352 | 441 |
| 689 | Software Engineering | 12 | 129 | 468 | 694 |
| 689 | Navier-Stokes equations | 10 | 129 | 28 | 40 |
| 689 | educational innovations | 2 | 129 | 653 | 386 |
| 692 | Physical organic chemistry | 17 | 128 | 559 | 998 |
| 692 | Computer-Aided Design | 6 | 128 | 794 | 818 |
| 692 | Microfluidics | 3 | 128 | 222 | 162 |
| 695 | Geology | 13 | 127 | 1356 | 1765 |
| 695 | Combustion | 7 | 127 | 785 | 921 |
| 697 | Pharmaceutical Technology | 6 | 126 | 1027 | 1192 |
| 697 | Developmental Immunology | 8 | 126 | 286 | 535 |
| 699 | Developmental Psychology | 12 | 125 | 451 | 787 |
| 700 | Neurons | 2 | 124 | 581 | 837 |
| 701 | Nursing | 8 | 123 | 1096 | 1061 |
| 702 | Food Science | 5 | 121 | 97 | 80 |
| 702 | Biomolecules | 7 | 121 | 226 | 453 |
| 702 | Minerals | 8 | 121 | 360 | 564 |
| 705 | mutation | 2 | 120 | 634 | 543 |
| 705 | Raman spectroscopy | 8 | 120 | 418 | 600 |
| 705 | Chromosomes | 2 | 120 | 956 | 795 |
| 708 | Neurosurgery | 5 | 119 | 699 | 774 |
| 708 | Drug targeting | 5 | 119 | 176 | 309 |
| 708 | anesthesia | 6 | 119 | 329 | 227 |
| 711 | DNS | 6 | 118 | 279 | 390 |
| 712 | Nanomedicine | 4 | 117 | 149 | 242 |
| 712 | Mass Media | 9 | 117 | 401 | 331 |
| 712 | Developmental Disabilities | 6 | 117 | 621 | 833 |
| 712 | Cheminformatics | 2 | 117 | 406 | 363 |
| 712 | Menopause | 3 | 117 | 290 | 201 |
| 717 | Microfabrication | 6 | 115 | 194 | 243 |
| 717 | Auditing | 4 | 115 | 307 | 336 |
| 717 | Quantum theory | 7 | 115 | 624 | 672 |
| 720 | Structural design | 10 | 113 | 381 | 621 |
| 721 | Bioenergetics | 5 | 112 | 604 | 770 |
| 721 | Climate change | 5 | 112 | 683 | 1176 |
| 721 | violence | 4 | 112 | 773 | 761 |
| 724 | Child psychology | 9 | 110 | 750 | 1174 |
| 725 | Stochastic Processes | 5 | 109 | 688 | 575 |
| 725 | Algorithms | 9 | 109 | 349 | 450 |
| 725 | Environmental Geochemistry | 7 | 109 | 220 | 388 |
| 725 | Pregnancy | 11 | 109 | 317 | 605 |
| 729 | Pharmacy | 8 | 108 | 1178 | 1577 |
| 729 | Cross-Cultural Studies | 10 | 108 | 272 | 524 |
| 729 | Japan | 11 | 108 | 811 | 1178 |
| 729 | viruses | 5 | 108 | 887 | 1159 |
| 729 | sports injuries | 5 | 108 | 391 | 356 |
| 734 | Gerontology | 10 | 107 | 922 | 1126 |
| 735 | taxation | 2 | 106 | 327 | 175 |
| 735 | Biodiversity conservation | 4 | 106 | 1191 | 1426 |
| 735 | ecosystem | 14 | 106 | 529 | 1191 |
| 738 | Petroleum Engineering | 6 | 105 | 447 | 537 |
| 738 | Health promotion | 8 | 105 | 555 | 735 |
| 738 | Dementia | 17 | 105 | 515 | 724 |
| 741 | older people | 6 | 104 | 978 | 864 |
| 742 | Health Services Research | 7 | 103 | 877 | 1066 |
| 742 | rare diseases | 4 | 103 | 491 | 514 |
| 744 | Communication in medicine | 7 | 102 | 299 | 411 |
| 744 | Algal blooms | 4 | 102 | 207 | 296 |
| 744 | catalytic activity | 4 | 102 | 556 | 654 |
| 744 | Cyanobacteria | 4 | 102 | 207 | 296 |
| 744 | stocks | 1 | 102 | 330 | 168 |
| 744 | econometric models | 9 | 102 | 234 | 553 |
| 744 | microalgae | 4 | 102 | 207 | 296 |
| 751 | Planets | 7 | 101 | 866 | 1270 |
| 752 | Audiology | 6 | 100 | 514 | 617 |
| 752 | Architecture | 3 | 100 | 539 | 282 |
| 752 | Adolescent Psychology | 4 | 100 | 651 | 688 |
| 755 | Nephrology | 2 | 99 | 540 | 567 |
| 755 | Culture | 7 | 99 | 652 | 599 |
| 757 | Nonlinear systems | 7 | 98 | 346 | 457 |
| 758 | Cartography | 12 | 97 | 129 | 233 |
| 758 | Simulation Methods | 2 | 97 | 1258 | 793 |
| 758 | Sensor Networks | 10 | 97 | 62 | 173 |
| 758 | Cell division | 4 | 97 | 272 | 397 |
| 762 | economic forecasting | 3 | 96 | 298 | 311 |
| 762 | Learning | 12 | 96 | 600 | 1050 |
| 762 | RNA | 1 | 96 | 719 | 520 |
| 765 | Highway Engineering | 8 | 95 | 183 | 290 |
| 765 | Money | 7 | 95 | 145 | 382 |
| 767 | Pharmacogenetics | 9 | 94 | 432 | 790 |
| 767 | Geodesy | 9 | 94 | 310 | 602 |
| 767 | Textile industry | 7 | 94 | 276 | 279 |
| 770 | Geochemistry | 5 | 93 | 1359 | 1565 |
| 770 | health behavior | 8 | 93 | 459 | 717 |
| 770 | Politics | 1 | 93 | 710 | 347 |
| 770 | Probiotics | 3 | 93 | 152 | 151 |
| 770 | government | 1 | 93 | 771 | 397 |
| 775 | Terahertz Technology | 8 | 91 | 67 | 162 |
| 775 | probabilities | 18 | 91 | 536 | 790 |
| 775 | transport vesicles | 4 | 91 | 150 | 436 |
| 778 | Hydrogeology | 9 | 90 | 307 | 590 |
| 778 | Molecular Microbiology | 5 | 90 | 595 | 912 |
| 778 | Marine Biotechnology | 2 | 90 | 278 | 247 |
| 781 | Atmospheric Physics | 7 | 89 | 910 | 1262 |
| 781 | Eutrophication | 3 | 89 | 816 | 1231 |
| 781 | plasma spraying | 3 | 89 | 228 | 196 |
| 784 | Oral Medicine | 9 | 88 | 383 | 480 |
| 784 | Heterocyclic chemistry | 4 | 88 | 431 | 231 |
| 784 | Wireless Communication | 7 | 88 | 220 | 264 |
| 784 | Integrative Medicine | 6 | 88 | 145 | 134 |
| 784 | Gene expression regulation | 7 | 88 | 520 | 851 |
| 784 | food industry | 17 | 88 | 140 | 545 |
| 790 | Municipal Engineering | 2 | 87 | 445 | 324 |
| 790 | microwave antennas | 11 | 87 | 123 | 224 |
| 790 | Multivariate Analysis | 5 | 87 | 412 | 443 |
| 790 | Water Microbiology | 5 | 87 | 266 | 437 |
| 790 | family violence | 3 | 87 | 395 | 436 |
| 790 | Attention | 6 | 87 | 973 | 1216 |
| 790 | Developed countries | 1 | 87 | 433 | 238 |
| 790 | Fouling | 5 | 87 | 130 | 276 |
| 798 | Dentistry | 3 | 86 | 704 | 447 |
| 798 | Geothermal Energy | 8 | 86 | 88 | 227 |
| 798 | soil conservation | 7 | 86 | 437 | 778 |
| 801 | Magnetic Resonance Imaging | 3 | 85 | 427 | 384 |
| 801 | Language Acquisition | 5 | 85 | 221 | 246 |
| 801 | Adaptive control systems | 10 | 85 | 225 | 435 |
| 801 | medical education | 5 | 85 | 1168 | 1238 |
| 805 | World Wide Web | 7 | 84 | 176 | 265 |
| 805 | Agriculture | 9 | 84 | 1085 | 1646 |
| 807 | Psychopharmacology | 4 | 83 | 1061 | 1282 |
| 807 | Electromagnetic compatibility | 8 | 83 | 183 | 278 |
| 807 | Microscopy | 14 | 83 | 517 | 1004 |
| 810 | Bacteriology | 7 | 82 | 1058 | 1663 |
| 810 | Visual Perception | 7 | 82 | 860 | 1197 |
| 810 | foods | 1 | 82 | 281 | 125 |
| 810 | cross-cultural comparison | 9 | 82 | 212 | 428 |
| 810 | Perception | 7 | 82 | 986 | 1328 |
| 815 | Linguistics | 15 | 81 | 566 | 930 |
| 815 | Molecules | 9 | 81 | 885 | 1085 |
| 815 | sexual behavior | 8 | 81 | 346 | 641 |
| 818 | Capital market | 14 | 80 | 97 | 476 |
| 819 | ovary | 3 | 79 | 183 | 188 |
| 820 | Career development | 2 | 78 | 533 | 339 |
| 820 | Liquid Crystals | 7 | 78 | 591 | 550 |
| 820 | preventive medicine | 9 | 78 | 547 | 1024 |
| 820 | Asymmetric synthesis | 2 | 78 | 135 | 39 |
| 824 | Fluid Mechanics | 6 | 77 | 1037 | 1228 |
| 824 | Corporate governance | 3 | 77 | 620 | 680 |
| 824 | radar | 6 | 77 | 91 | 131 |
| 824 | Sonar | 6 | 77 | 79 | 114 |
| 824 | Navigation | 6 | 77 | 176 | 172 |
| 829 | Geotechnical Engineering | 13 | 76 | 183 | 401 |
| 829 | Urology | 5 | 76 | 1019 | 1206 |
| 829 | Serology | 5 | 76 | 319 | 500 |
| 829 | Algae | 1 | 76 | 1007 | 697 |
| 829 | Seaweed | 1 | 76 | 785 | 594 |
| 834 | Depression | 3 | 75 | 304 | 504 |
| 834 | Bibliometrics | 6 | 75 | 65 | 196 |
| 834 | Parasitic Diseases | 3 | 75 | 1645 | 1630 |
| 837 | indoor air pollution | 6 | 74 | 203 | 412 |
| 837 | Ventilation | 6 | 74 | 298 | 481 |
| 837 | Sick building syndrome | 6 | 74 | 203 | 412 |
| 840 | Brain-Computer Interfaces | 2 | 73 | 47 | 30 |
| 840 | Genetic testing | 2 | 73 | 429 | 233 |
| 840 | Infertility | 3 | 73 | 719 | 916 |
| 840 | antibiotics | 6 | 73 | 93 | 238 |
| 840 | fertility | 3 | 73 | 807 | 971 |
| 845 | Antibacterial agents | 5 | 72 | 434 | 784 |
| 845 | Entrepreneurship | 6 | 72 | 645 | 1169 |
| 847 | nuclear power | 10 | 71 | 216 | 287 |
| 847 | industrial relations | 3 | 71 | 777 | 677 |
| 849 | Biogeochemical cycles | 2 | 70 | 440 | 599 |
| 849 | Social support | 1 | 70 | 299 | 179 |
| 849 | Social environment | 1 | 70 | 317 | 188 |
| 849 | Granular materials | 5 | 70 | 421 | 706 |
| 853 | Metastasis | 2 | 69 | 215 | 351 |
| 853 | Organometallic compounds | 6 | 69 | 933 | 1204 |
| 855 | Photogrammetry | 36 | 68 | 101 | 356 |
| 855 | Behavioral research | 15 | 68 | 105 | 407 |
| 857 | amino acids | 6 | 67 | 350 | 697 |
| 858 | Neuropsychiatry | 4 | 66 | 646 | 813 |
| 858 | Applied Linguistics | 5 | 66 | 467 | 496 |
| 858 | Combinatorial optimization | 10 | 66 | 159 | 303 |
| 858 | immunoassay | 5 | 66 | 109 | 117 |
| 862 | Immune system | 4 | 65 | 697 | 1037 |
| 863 | Clinical Immunology | 8 | 64 | 583 | 1050 |
| 863 | Atmospheric Chemistry | 5 | 64 | 601 | 968 |
| 863 | Solar power plants | 2 | 64 | 220 | 261 |
| 863 | Photovoltaic Cells | 2 | 64 | 221 | 261 |
| 867 | Classification | 1 | 63 | 534 | 258 |
| 867 | drug toxicity | 1 | 63 | 913 | 624 |
| 867 | Vaccines | 7 | 63 | 929 | 1501 |
| 870 | Thermodynamics | 25 | 62 | 262 | 968 |
| 870 | Lipid metabolism | 4 | 62 | 322 | 571 |
| 870 | Immunogenetics | 4 | 62 | 515 | 638 |
| 870 | Interfaces | 5 | 62 | 196 | 320 |
| 870 | Lipid | 4 | 62 | 322 | 571 |
| 875 | nuclear magnetic resonance | 1 | 61 | 1224 | 817 |
| 875 | Magnetic Resonance Spectroscopy | 1 | 61 | 1413 | 920 |
| 875 | Electrophysiology | 2 | 61 | 1022 | 868 |
| 878 | Climatology | 7 | 60 | 1069 | 1697 |
| 878 | Avionics | 1 | 60 | 263 | 118 |
| 878 | Feminist criticism | 1 | 60 | 269 | 94 |
| 878 | Financial management | 5 | 60 | 302 | 632 |
| 878 | Group decision making | 2 | 60 | 588 | 509 |
| 883 | Tropical Medicine | 4 | 59 | 1387 | 1550 |
| 883 | data protection | 4 | 59 | 468 | 532 |
| 885 | Zoology | 9 | 58 | 1401 | 1938 |
| 885 | Radiation | 15 | 58 | 902 | 1811 |
| 885 | Taste | 2 | 58 | 379 | 354 |
| 885 | flavor | 2 | 58 | 248 | 260 |
| 885 | smell | 2 | 58 | 379 | 354 |
| 885 | Cellulose | 2 | 58 | 759 | 808 |
| 891 | Transportation Engineering | 5 | 57 | 215 | 385 |
| 891 | Total Quality Management | 3 | 57 | 530 | 671 |
| 891 | Enzyme inhibitors | 5 | 57 | 243 | 495 |
| 891 | land degradation | 4 | 57 | 391 | 675 |
| 891 | Earthquakes | 2 | 57 | 424 | 320 |
| 891 | innovation | 4 | 57 | 499 | 866 |
| 891 | Allergy | 8 | 57 | 604 | 1158 |
| 891 | women | 5 | 57 | 625 | 640 |
| 891 | degradation | 4 | 57 | 391 | 675 |
| 900 | Nanoelectronics | 7 | 56 | 486 | 660 |
| 900 | Travel | 3 | 56 | 739 | 771 |
| 900 | Industrial Policy | 3 | 56 | 487 | 553 |
| 900 | Adipose tissue | 1 | 56 | 169 | 92 |
| 900 | Vision | 2 | 56 | 707 | 749 |
| 905 | Industrial Organization | 2 | 55 | 391 | 381 |
| 905 | Thrombosis | 7 | 55 | 601 | 1004 |
| 905 | Gene expression | 5 | 55 | 175 | 335 |
| 905 | Nonprofit organizations | 4 | 55 | 269 | 420 |
| 905 | Steroids | 2 | 55 | 995 | 969 |
| 905 | Creativity | 3 | 55 | 286 | 438 |
| 911 | Sustainable agriculture | 3 | 54 | 688 | 835 |
| 911 | Biogeochemistry | 3 | 54 | 953 | 1275 |
| 911 | Happiness | 5 | 54 | 279 | 644 |
| 911 | pain management | 5 | 54 | 445 | 644 |
| 911 | plant communities | 3 | 54 | 945 | 1277 |
| 916 | Game Theory | 3 | 53 | 554 | 524 |
| 916 | Physical Geography | 2 | 53 | 612 | 576 |
| 916 | Software Maintenance | 3 | 53 | 171 | 172 |
| 916 | Organizational change | 3 | 53 | 718 | 785 |
| 916 | Crystal growth | 5 | 53 | 798 | 1142 |
| 916 | United Kingdom | 5 | 53 | 995 | 1427 |
| 916 | DNA | 6 | 53 | 358 | 651 |
| 923 | Political Science | 5 | 52 | 1218 | 1211 |
| 923 | Otolaryngology | 4 | 52 | 424 | 547 |
| 923 | Meteorology | 6 | 52 | 1368 | 2129 |
| 923 | Consumer education | 4 | 52 | 250 | 566 |
| 923 | Foodborne diseases | 2 | 52 | 276 | 313 |
| 923 | Microstructure | 6 | 52 | 572 | 815 |
| 923 | chronic disease | 3 | 52 | 258 | 333 |
| 930 | Number Theory | 10 | 51 | 401 | 535 |
| 930 | Green Technology | 3 | 51 | 382 | 535 |
| 930 | Product life cycle | 4 | 51 | 220 | 417 |
| 930 | green products | 4 | 51 | 190 | 399 |
| 930 | scientific societies | 1 | 51 | 1148 | 890 |
| 935 | Materials Engineering | 4 | 50 | 630 | 705 |
| 935 | Forest Ecology | 2 | 50 | 1081 | 1191 |
| 937 | Regional Economics | 3 | 49 | 465 | 512 |
| 937 | explosives | 2 | 49 | 233 | 136 |
| 939 | Environmental Psychology | 2 | 48 | 465 | 624 |
| 939 | Research Design | 4 | 48 | 895 | 1249 |
| 939 | foreign exchange | 5 | 48 | 249 | 504 |
| 939 | Financial Institutions | 1 | 48 | 706 | 486 |
| 939 | Biometrics | 9 | 48 | 561 | 951 |
| 939 | Liposomes | 4 | 48 | 496 | 733 |
| 939 | Lipid bilayers | 4 | 48 | 423 | 601 |
| 946 | Journalism | 2 | 47 | 666 | 493 |
| 946 | Medical Ethics | 2 | 47 | 1212 | 1005 |
| 946 | Mass Spectrometry | 5 | 47 | 834 | 1108 |
| 946 | Access to Information | 4 | 47 | 113 | 343 |
| 946 | Information dissemination | 4 | 47 | 113 | 343 |
| 951 | Rheumatology | 11 | 46 | 535 | 1148 |
| 951 | Public Relations | 6 | 46 | 257 | 521 |
| 951 | Geriatric Psychiatry | 4 | 46 | 739 | 1088 |
| 951 | social science | 1 | 46 | 311 | 322 |
| 951 | Yeast | 1 | 46 | 654 | 594 |
| 956 | Financial Engineering | 4 | 45 | 106 | 309 |
| 956 | Hematopoietic stem cell transplantation | 1 | 45 | 640 | 619 |
| 956 | urban health | 1 | 45 | 417 | 341 |
| 959 | Organizational learning | 7 | 44 | 134 | 494 |
| 959 | Feminism | 3 | 44 | 585 | 580 |
| 959 | Knowledge management | 7 | 44 | 108 | 431 |
| 959 | eye | 1 | 44 | 342 | 447 |
| 959 | Heterocyclic compounds | 5 | 44 | 760 | 921 |
| 964 | Respiratory Therapy | 3 | 43 | 20 | 36 |
| 964 | Speech Perception | 3 | 43 | 343 | 525 |
| 964 | Bifurcation Theory | 2 | 43 | 354 | 328 |
| 964 | auditory perception | 3 | 43 | 410 | 588 |
| 964 | Histocompatibility Testing | 2 | 43 | 562 | 600 |
| 964 | gases | 3 | 43 | 20 | 36 |
| 964 | Plant diseases | 7 | 43 | 1197 | 1839 |
| 971 | Regeneration | 5 | 42 | 35 | 98 |
| 971 | Multiphase Flow | 4 | 42 | 334 | 545 |
| 973 | Clinical Pharmacology | 5 | 41 | 911 | 1391 |
| 973 | Rheology | 3 | 41 | 559 | 695 |
| 973 | biological agents | 12 | 41 | 214 | 368 |
| 973 | Fluorescence | 8 | 41 | 180 | 529 |
| 973 | Radiation effects | 3 | 41 | 638 | 1026 |
| 978 | Geometry | 6 | 40 | 842 | 906 |
| 978 | Pediatric Neurology | 3 | 40 | 764 | 1184 |
| 978 | Geomagnetism | 1 | 40 | 755 | 678 |
| 978 | Leukemia | 6 | 40 | 586 | 961 |
| 978 | Small Business | 2 | 40 | 828 | 1139 |
| 978 | behavior therapy | 3 | 40 | 737 | 940 |
| 984 | Architectural Design | 5 | 39 | 329 | 459 |
| 984 | Erectile dysfunction | 1 | 39 | 435 | 343 |
| 984 | DNA repair | 4 | 39 | 216 | 431 |
| 987 | Nonparametric Statistics | 3 | 38 | 172 | 174 |
| 987 | Product Design | 7 | 38 | 312 | 545 |
| 987 | bioluminescence | 6 | 38 | 175 | 398 |
| 987 | Iron | 4 | 38 | 254 | 360 |
| 987 | wood | 2 | 38 | 543 | 534 |
| 992 | Dermatology | 9 | 37 | 881 | 1544 |
| 992 | Telecommunications | 7 | 37 | 397 | 896 |
| 992 | Bioethics | 1 | 37 | 1305 | 957 |
| 992 | Superconductors | 4 | 37 | 763 | 883 |
| 992 | Risk assessment | 3 | 37 | 612 | 823 |
| 992 | Mental Health Services | 4 | 37 | 878 | 1310 |
| 992 | Crystallography | 5 | 37 | 1288 | 1261 |
| 992 | nursing ethics | 1 | 37 | 467 | 440 |
| 992 | X-rays | 10 | 37 | 250 | 649 |