| 1 | Materials | 4,335 | 190.9K | 7 | 19 |
| 2 | Chemistry | 2,456 | 169.3K | 134 | 123 |
| 3 | Physics | 3,244 | 126.9K | 99 | 246 |
| 4 | Nanotechnology | 2,258 | 113.7K | 16 | 37 |
| 5 | Materials Science | 2,029 | 98.0K | 11 | 21 |
| 6 | Biology | 1,202 | 88.6K | 250 | 278 |
| 7 | Chemical Engineering | 1,963 | 79.8K | 13 | 20 |
| 8 | Biocompatible Materials | 1,339 | 74.4K | 17 | 21 |
| 9 | Science | 1,421 | 73.5K | 214 | 325 |
| 10 | Heat Exchangers | 1,376 | 51.4K | 1 | 1 |
| 11 | energy conservation | 775 | 50.3K | 2 | 2 |
| 12 | Molecular Biology | 1,402 | 48.6K | 142 | 291 |
| 13 | Optical materials | 851 | 47.8K | 14 | 15 |
| 14 | Medicine | 1,811 | 46.8K | 150 | 333 |
| 15 | Signal Processing | 880 | 46.6K | 14 | 19 |
| 16 | mass transfer | 1,265 | 46.4K | 1 | 2 |
| 17 | vibration | 602 | 45.6K | 1 | 1 |
| 18 | Structural dynamics | 467 | 43.7K | 1 | 1 |
| 19 | Biochemical Engineering | 840 | 41.9K | 19 | 42 |
| 20 | nanoscience | 663 | 41.1K | 27 | 38 |
| 21 | Renewable Energy Sources | 565 | 41.0K | 5 | 8 |
| 22 | Nanostructured Materials | 944 | 40.8K | 15 | 24 |
| 23 | Catalysis | 795 | 40.7K | 58 | 62 |
| 24 | Artificial Intelligence | 674 | 37.8K | 21 | 25 |
| 25 | Energy Policy | 1,026 | 36.9K | 3 | 6 |
| 26 | Image Processing | 601 | 36.6K | 15 | 13 |
| 27 | Composite Materials | 852 | 36.4K | 10 | 15 |
| 28 | Biochemistry | 1,389 | 35.0K | 273 | 418 |
| 29 | Biotechnology | 659 | 30.8K | 111 | 166 |
| 30 | Research | 1,367 | 30.4K | 139 | 283 |
| 31 | Metals | 626 | 29.2K | 14 | 22 |
| 32 | Analytical Chemistry | 818 | 28.6K | 41 | 52 |
| 33 | Metallurgy | 605 | 27.3K | 21 | 28 |
| 34 | Pharmacology | 1,015 | 25.3K | 77 | 142 |
| 35 | Polymers | 701 | 24.6K | 124 | 126 |
| 36 | Energy Conversion | 262 | 23.9K | 10 | 25 |
| 37 | Bioengineering | 471 | 23.5K | 85 | 136 |
| 38 | Biomedical Engineering | 849 | 23.4K | 37 | 80 |
| 39 | Nuclear Physics | 1,375 | 22.6K | 152 | 342 |
| 40 | Power Electronics | 633 | 21.9K | 7 | 9 |
| 41 | Colloids | 661 | 20.9K | 36 | 79 |
| 42 | coal | 550 | 20.0K | 6 | 8 |
| 43 | Environmental Chemistry | 201 | 19.5K | 31 | 30 |
| 44 | Manufacturing Processes | 726 | 19.5K | 9 | 12 |
| 45 | Nuclear Engineering | 1,316 | 19.2K | 3 | 3 |
| 46 | Automation | 390 | 18.9K | 34 | 56 |
| 47 | Cancer | 478 | 18.8K | 93 | 156 |
| 48 | Surface Chemistry | 591 | 18.7K | 44 | 80 |
| 49 | Cell Biology | 561 | 18.4K | 129 | 310 |
| 50 | Mathematics | 1,158 | 18.3K | 84 | 85 |
| 51 | Optics | 1,148 | 18.1K | 62 | 103 |
| 52 | management | 293 | 17.6K | 94 | 161 |
| 53 | Nuclear Energy | 1,152 | 17.4K | 2 | 2 |
| 54 | Electrical Engineering | 682 | 17.3K | 25 | 18 |
| 55 | Biophysics | 682 | 17.0K | 179 | 281 |
| 56 | Cytology | 587 | 16.8K | 144 | 336 |
| 57 | Natural history | 62 | 16.5K | 570 | 511 |
| 58 | Neurology | 572 | 16.1K | 286 | 446 |
| 59 | Mechanical Engineering | 912 | 16.0K | 4 | 7 |
| 60 | Electronics | 587 | 15.5K | 61 | 88 |
| 61 | Combustion | 570 | 15.5K | 7 | 15 |
| 62 | fuel cells | 254 | 15.2K | 8 | 31 |
| 63 | China | 802 | 15.0K | 26 | 25 |
| 64 | Neural circuitry | 448 | 14.6K | 8 | 13 |
| 65 | miniaturization | 269 | 14.5K | 41 | 80 |
| 66 | Magnetic Materials | 544 | 14.2K | 1 | 6 |
| 67 | Ceramics | 303 | 13.5K | 18 | 14 |
| 68 | Nanoparticles | 379 | 13.4K | 13 | 27 |
| 69 | polymerization | 438 | 13.4K | 166 | 181 |
| 70 | Microelectronics | 263 | 13.2K | 48 | 75 |
| 71 | Wireless Communication Systems | 490 | 13.2K | 25 | 57 |
| 72 | Environment | 281 | 12.9K | 274 | 448 |
| 73 | Cybernetics | 147 | 12.8K | 46 | 21 |
| 74 | Electrochemistry | 506 | 12.7K | 124 | 120 |
| 75 | Solid State Physics | 541 | 12.3K | 217 | 296 |
| 76 | Statistical physics | 485 | 11.8K | 149 | 202 |
| 77 | Engineering | 479 | 11.7K | 47 | 56 |
| 78 | actuators | 406 | 11.2K | 8 | 27 |
| 78 | transducers | 406 | 11.2K | 8 | 27 |
| 80 | Production Management | 86 | 11.1K | 61 | 16 |
| 81 | Physiology | 406 | 11.0K | 173 | 281 |
| 82 | Tribology | 478 | 11.0K | 4 | 7 |
| 83 | Geophysics | 305 | 11.0K | 272 | 294 |
| 84 | Oncology | 209 | 10.3K | 78 | 174 |
| 85 | Photonics | 342 | 10.3K | 43 | 102 |
| 86 | Pollution | 316 | 10.2K | 282 | 503 |
| 87 | Information Science | 243 | 10.1K | 28 | 36 |
| 88 | Microbiology | 247 | 10.1K | 587 | 641 |
| 88 | Ceramic materials | 304 | 10.1K | 6 | 9 |
| 90 | Operations Research | 177 | 10.1K | 74 | 54 |
| 91 | pottery | 245 | 10.1K | 17 | 24 |
| 92 | Glass | 244 | 10.0K | 18 | 25 |
| 93 | Telecommunication | 320 | 10.0K | 82 | 139 |
| 94 | Production Engineering | 525 | 10.0K | 10 | 14 |
| 95 | Numerical Analysis | 523 | 9.4K | 1 | 7 |
| 96 | nuclear power | 622 | 9.2K | 1 | 1 |
| 97 | energy development | 203 | 9.0K | 1 | 17 |
| 98 | Internet of Things | 242 | 8.9K | 13 | 12 |
| 99 | Systems Engineering | 299 | 8.9K | 17 | 28 |
| 100 | internet | 235 | 8.8K | 13 | 19 |
| 101 | Measurement | 300 | 8.8K | 4 | 4 |
| 102 | Condensed Matter | 375 | 8.8K | 280 | 378 |
| 103 | Ecology | 241 | 8.6K | 557 | 733 |
| 104 | Cell death | 157 | 8.4K | 33 | 102 |
| 105 | Fracture mechanics | 442 | 8.4K | 5 | 23 |
| 106 | Energy Storage | 190 | 8.4K | 4 | 15 |
| 107 | Toxicology | 363 | 8.4K | 146 | 308 |
| 108 | Environmental Health | 319 | 8.3K | 226 | 464 |
| 109 | Technology | 456 | 8.1K | 66 | 156 |
| 110 | Carbon | 171 | 7.9K | 21 | 50 |
| 111 | Fluid Dynamics | 322 | 7.7K | 3 | 8 |
| 112 | Nanostructures | 211 | 7.6K | 20 | 79 |
| 113 | Public Health | 290 | 7.2K | 313 | 429 |
| 114 | Neurochemistry | 268 | 7.1K | 79 | 185 |
| 115 | Green Chemistry | 192 | 7.0K | 38 | 93 |
| 116 | Environmental Management | 193 | 7.0K | 66 | 124 |
| 117 | Nutrition | 266 | 6.9K | 201 | 356 |
| 118 | Radio | 217 | 6.7K | 47 | 103 |
| 119 | Industrial Engineering | 324 | 6.7K | 17 | 41 |
| 120 | Biosensors | 124 | 6.6K | 36 | 39 |
| 121 | Immunology | 183 | 6.6K | 309 | 401 |
| 122 | environmental pollution | 241 | 6.5K | 210 | 402 |
| 123 | energy resources | 103 | 6.4K | 27 | 56 |
| 124 | Immunotherapy | 250 | 6.3K | 30 | 137 |
| 125 | Information Technology | 201 | 6.2K | 25 | 76 |
| 126 | Evolutionary Computation | 37 | 6.1K | 38 | 26 |
| 127 | Multimedia Systems | 258 | 6.1K | 18 | 21 |
| 128 | Fluid Mechanics | 367 | 6.0K | 7 | 48 |
| 129 | environmental protection | 237 | 6.0K | 66 | 194 |
| 130 | computer networks | 227 | 5.9K | 59 | 99 |
| 131 | Electromagnetism | 399 | 5.9K | 3 | 11 |
| 132 | Brain | 241 | 5.9K | 166 | 297 |
| 133 | Solar Energy | 175 | 5.8K | 13 | 34 |
| 134 | Smart Materials | 211 | 5.8K | 9 | 17 |
| 135 | Psychiatry | 109 | 5.8K | 552 | 470 |
| 136 | Virology | 121 | 5.7K | 331 | 474 |
| 137 | Biomass Energy | 135 | 5.7K | 109 | 187 |
| 138 | lasers | 354 | 5.7K | 26 | 71 |
| 139 | Water | 120 | 5.6K | 212 | 284 |
| 140 | Meteorology | 134 | 5.5K | 206 | 243 |
| 141 | plasma spraying | 157 | 5.5K | 1 | 1 |
| 142 | Economics | 305 | 5.4K | 249 | 349 |
| 143 | Sustainable Engineering | 155 | 5.4K | 32 | 69 |
| 144 | Intelligent Transportation Systems | 138 | 5.3K | 34 | 40 |
| 145 | Immunopharmacology | 219 | 5.3K | 16 | 17 |
| 146 | Bioelectronics | 74 | 5.2K | 52 | 42 |
| 147 | Environmental Policy | 141 | 5.2K | 187 | 307 |
| 148 | cytokines | 223 | 5.2K | 16 | 22 |
| 149 | Structural design | 182 | 5.2K | 4 | 14 |
| 150 | Environmental monitoring | 197 | 5.2K | 148 | 349 |
| 151 | Signal Transduction | 91 | 5.2K | 69 | 81 |
| 152 | Structural Engineering | 191 | 5.2K | 76 | 95 |
| 153 | Nonlinear Dynamics | 124 | 5.1K | 227 | 167 |
| 154 | Energy Consumption | 82 | 5.1K | 5 | 5 |
| 155 | Medical Oncology | 152 | 5.0K | 104 | 145 |
| 156 | Bioinformatics | 147 | 4.9K | 102 | 200 |
| 157 | Economic History | 170 | 4.9K | 183 | 133 |
| 158 | Neurophysiology | 160 | 4.9K | 294 | 431 |
| 158 | free radicals | 101 | 4.9K | 55 | 100 |
| 160 | Atmospheric Physics | 86 | 4.8K | 223 | 192 |
| 161 | Asia | 182 | 4.7K | 69 | 46 |
| 162 | Industrial Safety | 108 | 4.7K | 21 | 21 |
| 163 | Plastics | 103 | 4.7K | 62 | 30 |
| 164 | System analysis | 235 | 4.6K | 32 | 87 |
| 165 | Ultrasonics | 182 | 4.6K | 7 | 33 |
| 166 | Environmental Engineering | 156 | 4.6K | 254 | 427 |
| 167 | Spectrum analysis | 243 | 4.6K | 376 | 695 |
| 168 | Geology | 90 | 4.5K | 556 | 377 |
| 169 | Energy Harvesting | 47 | 4.5K | 34 | 36 |
| 170 | Solitons | 142 | 4.5K | 6 | 9 |
| 170 | Fractals | 142 | 4.5K | 6 | 9 |
| 170 | Chaos | 142 | 4.5K | 6 | 9 |
| 173 | finance | 184 | 4.4K | 68 | 176 |
| 174 | Radiography | 58 | 4.3K | 88 | 79 |
| 175 | multimedia | 116 | 4.2K | 15 | 20 |
| 175 | Interactive multimedia | 116 | 4.2K | 15 | 20 |
| 177 | Pediatrics | 40 | 4.2K | 501 | 271 |
| 178 | Radio waves | 159 | 4.2K | 38 | 76 |
| 179 | Computational Biology | 126 | 4.1K | 184 | 286 |
| 180 | Process Control | 64 | 4.1K | 28 | 35 |
| 181 | Epidemiology | 172 | 4.1K | 276 | 379 |
| 182 | Business | 73 | 3.9K | 249 | 299 |
| 183 | Genetic engineering | 131 | 3.8K | 85 | 173 |
| 184 | Atmospheric Chemistry | 46 | 3.8K | 198 | 167 |
| 185 | International Finance | 141 | 3.8K | 27 | 51 |
| 186 | Semiconductors | 153 | 3.8K | 87 | 53 |
| 187 | Cell differentiation | 67 | 3.7K | 230 | 291 |
| 188 | Earth Sciences | 123 | 3.7K | 323 | 394 |
| 189 | Thermodynamics | 355 | 3.7K | 2 | 11 |
| 190 | Oxidative stress | 55 | 3.7K | 21 | 30 |
| 191 | Pharmaceutical Chemistry | 196 | 3.7K | 258 | 486 |
| 192 | Computer Vision | 126 | 3.6K | 29 | 129 |
| 193 | Nervous system | 159 | 3.6K | 157 | 344 |
| 194 | Solid State Chemistry | 118 | 3.6K | 214 | 148 |
| 195 | Communication | 64 | 3.6K | 296 | 200 |
| 196 | Oxidation-reduction | 52 | 3.6K | 45 | 64 |
| 197 | Astronomy | 82 | 3.6K | 634 | 628 |
| 198 | Detectors | 210 | 3.6K | 17 | 27 |
| 199 | Boundary Value Problems | 158 | 3.6K | 8 | 13 |
| 200 | Clinical Chemistry | 147 | 3.6K | 194 | 321 |
| 201 | Human genetics | 57 | 3.5K | 379 | 651 |
| 202 | Medical genetics | 111 | 3.5K | 322 | 466 |
| 202 | Antenna Arrays | 151 | 3.5K | 8 | 13 |
| 204 | health planning | 213 | 3.5K | 19 | 61 |
| 205 | plasticity | 54 | 3.4K | 16 | 25 |
| 206 | Organic Chemistry | 154 | 3.4K | 263 | 399 |
| 207 | Light | 6 | 3.4K | 629 | 156 |
| 208 | Endocrinology | 91 | 3.4K | 436 | 530 |
| 209 | Business Ethics | 42 | 3.4K | 69 | 68 |
| 210 | Medical Physics | 129 | 3.3K | 137 | 203 |
| 211 | economic policy | 116 | 3.3K | 134 | 100 |
| 212 | Liver diseases | 101 | 3.3K | 122 | 272 |
| 213 | Genetics | 145 | 3.2K | 351 | 658 |
| 214 | mathematical analysis | 203 | 3.2K | 82 | 97 |
| 215 | human behavior | 56 | 3.2K | 438 | 457 |
| 216 | Behavior | 75 | 3.2K | 516 | 559 |
| 217 | genome | 64 | 3.2K | 169 | 276 |
| 218 | Swarm Intelligence | 12 | 3.2K | 53 | 7 |
| 219 | Planets | 52 | 3.2K | 352 | 283 |
| 220 | Mental illness | 41 | 3.2K | 381 | 307 |
| 221 | Bioorganic chemistry | 130 | 3.2K | 205 | 340 |
| 222 | Metabolism | 110 | 3.1K | 335 | 509 |
| 223 | Climatology | 84 | 3.1K | 208 | 245 |
| 224 | Computer Graphics | 154 | 3.1K | 85 | 167 |
| 225 | Mental Disorders | 47 | 3.0K | 545 | 461 |
| 226 | biopolymers | 80 | 3.0K | 104 | 100 |
| 227 | Medicinal plants | 60 | 3.0K | 109 | 96 |
| 228 | Multiphase Flow | 97 | 3.0K | 3 | 13 |
| 229 | Pharmacognosy | 56 | 2.9K | 231 | 169 |
| 230 | marketing | 66 | 2.9K | 251 | 307 |
| 231 | Genetic algorithms | 25 | 2.9K | 44 | 48 |
| 232 | Ultrasound | 132 | 2.9K | 11 | 31 |
| 233 | Soft Condensed Matter | 81 | 2.9K | 91 | 91 |
| 234 | Pathology | 73 | 2.9K | 336 | 353 |
| 235 | Immunity | 49 | 2.8K | 352 | 454 |
| 236 | Chromatographic analysis | 177 | 2.8K | 27 | 56 |
| 237 | Ocean Engineering | 129 | 2.8K | 118 | 186 |
| 238 | Robotics | 105 | 2.7K | 101 | 151 |
| 239 | Neurons | 7 | 2.7K | 353 | 240 |
| 240 | cell physiology | 83 | 2.7K | 135 | 257 |
| 241 | Electrophoresis | 148 | 2.6K | 26 | 88 |
| 242 | sanitation | 59 | 2.6K | 244 | 384 |
| 243 | Social Sciences | 128 | 2.6K | 272 | 330 |
| 244 | Microwaves | 190 | 2.6K | 51 | 118 |
| 245 | Ferroelectricity | 280 | 2.6K | 4 | 31 |
| 246 | Nanobiotechnology | 47 | 2.5K | 28 | 27 |
| 247 | Nondestructive testing | 114 | 2.5K | 5 | 12 |
| 248 | Geochemistry | 61 | 2.5K | 415 | 418 |
| 249 | Diabetes | 62 | 2.5K | 315 | 384 |
| 250 | machinery | 94 | 2.5K | 15 | 15 |
| 251 | Chromatography | 137 | 2.5K | 29 | 59 |
| 252 | Plasma devices | 82 | 2.5K | 9 | 20 |
| 253 | Sustainable Development | 59 | 2.5K | 134 | 200 |
| 254 | Metallography | 86 | 2.5K | 16 | 16 |
| 255 | Sociology | 116 | 2.4K | 302 | 400 |
| 256 | Psychology | 129 | 2.4K | 627 | 781 |
| 256 | Inflammation | 56 | 2.4K | 57 | 80 |
| 258 | Oncogenes | 42 | 2.4K | 197 | 256 |
| 259 | Physical Chemistry | 59 | 2.3K | 402 | 406 |
| 260 | Cardiovascular system | 49 | 2.3K | 313 | 413 |
| 261 | Water pollution | 56 | 2.3K | 489 | 529 |
| 262 | soil microbiology | 12 | 2.3K | 672 | 305 |
| 263 | Diabetes mellitus | 49 | 2.3K | 356 | 390 |
| 264 | Technological Innovations | 75 | 2.3K | 13 | 31 |
| 265 | Medical Microbiology | 32 | 2.2K | 570 | 442 |
| 266 | Freezing | 117 | 2.2K | 3 | 3 |
| 267 | Plasma chemistry | 96 | 2.2K | 3 | 9 |
| 268 | Drug delivery systems | 61 | 2.2K | 116 | 201 |
| 269 | United States | 102 | 2.2K | 684 | 776 |
| 270 | Obstetrics | 67 | 2.2K | 363 | 323 |
| 271 | micromechanics | 105 | 2.2K | 14 | 35 |
| 272 | Fuzzy systems | 80 | 2.2K | 66 | 36 |
| 273 | Tourism | 36 | 2.2K | 281 | 268 |
| 273 | Developing countries | 58 | 2.2K | 283 | 260 |
| 275 | Metabolic diseases | 51 | 2.2K | 435 | 526 |
| 276 | Parallel Processing | 35 | 2.2K | 59 | 41 |
| 277 | Neuropsychology | 95 | 2.2K | 262 | 392 |
| 278 | Engineering Mathematics | 201 | 2.1K | 32 | 132 |
| 279 | Environmental pollutants | 112 | 2.1K | 93 | 274 |
| 280 | Genomics | 120 | 2.1K | 276 | 524 |
| 281 | Diagnostic Imaging | 94 | 2.1K | 160 | 266 |
| 282 | Clinical Pharmacology | 120 | 2.0K | 46 | 116 |
| 283 | supercritical fluids | 90 | 2.0K | 7 | 19 |
| 284 | Environmental Toxicology | 108 | 2.0K | 122 | 382 |
| 285 | Food | 90 | 2.0K | 329 | 553 |
| 286 | Nonlinear functional analysis | 88 | 2.0K | 24 | 17 |
| 287 | Medical Laboratory Science | 45 | 2.0K | 338 | 370 |
| 288 | Computer-Aided Design | 53 | 2.0K | 121 | 99 |
| 289 | Orthopedics | 138 | 2.0K | 79 | 198 |
| 290 | Software Engineering | 36 | 2.0K | 161 | 116 |
| 291 | atmosphere | 36 | 2.0K | 80 | 42 |
| 292 | Industrial Microbiology | 34 | 2.0K | 373 | 306 |
| 293 | Hypertension | 69 | 1.9K | 244 | 457 |
| 294 | Recombinant DNA | 94 | 1.9K | 47 | 155 |
| 295 | Environmental Microbiology | 12 | 1.9K | 588 | 272 |
| 296 | Control Theory | 131 | 1.9K | 116 | 228 |
| 297 | Mobile Computing | 85 | 1.9K | 54 | 97 |
| 298 | Building Materials | 65 | 1.9K | 246 | 392 |
| 298 | Systems Biology | 69 | 1.9K | 118 | 151 |
| 300 | Human-Computer Interaction | 48 | 1.9K | 135 | 122 |
| 301 | Social Change | 31 | 1.8K | 107 | 135 |
| 302 | Microorganisms | 9 | 1.8K | 524 | 197 |
| 303 | Mechanics | 100 | 1.8K | 41 | 87 |
| 304 | Mechatronics | 76 | 1.8K | 35 | 73 |
| 305 | Combinatorial chemistry | 33 | 1.8K | 109 | 110 |
| 306 | Europe | 56 | 1.8K | 575 | 426 |
| 307 | Cell cycle | 33 | 1.8K | 21 | 14 |
| 307 | cell proliferation | 33 | 1.8K | 23 | 14 |
| 307 | environmental exposure | 96 | 1.8K | 78 | 217 |
| 310 | Mathematical Physics | 117 | 1.8K | 372 | 494 |
| 310 | Orthopedic Surgery | 125 | 1.8K | 12 | 51 |
| 312 | Mineral resources | 38 | 1.8K | 20 | 21 |
| 312 | biocatalysis | 3 | 1.8K | 166 | 76 |
| 312 | Homogeneous catalysis | 3 | 1.8K | 166 | 76 |
| 312 | Heterogeneous catalysis | 3 | 1.8K | 166 | 76 |
| 316 | particles | 96 | 1.7K | 15 | 34 |
| 317 | Sound | 86 | 1.7K | 47 | 98 |
| 318 | Herbal medicine | 63 | 1.7K | 31 | 55 |
| 319 | Electromagnetic compatibility | 102 | 1.7K | 6 | 16 |
| 320 | Earthquake Engineering | 68 | 1.7K | 203 | 259 |
| 321 | Sonochemistry | 50 | 1.7K | 20 | 53 |
| 322 | nucleic acids | 32 | 1.7K | 466 | 511 |
| 323 | Membranes | 48 | 1.6K | 330 | 435 |
| 324 | Molecular cloning | 84 | 1.6K | 48 | 152 |
| 325 | Nanochemistry | 105 | 1.6K | 10 | 35 |
| 326 | Genetic recombination | 82 | 1.6K | 47 | 152 |
| 326 | impact | 37 | 1.6K | 29 | 33 |
| 328 | cell interaction | 65 | 1.6K | 36 | 114 |
| 329 | Engineering Geology | 70 | 1.6K | 144 | 227 |
| 330 | Dynamics | 102 | 1.6K | 49 | 92 |
| 331 | Economic Development | 24 | 1.6K | 423 | 296 |
| 332 | Biomechanics | 59 | 1.6K | 166 | 241 |
| 333 | Diet | 70 | 1.6K | 263 | 506 |
| 334 | Geriatrics | 90 | 1.6K | 374 | 496 |
| 335 | Obesity | 53 | 1.6K | 336 | 431 |
| 336 | rehabilitation | 50 | 1.5K | 341 | 373 |
| 337 | Neurobiology | 46 | 1.5K | 358 | 507 |
| 337 | Cytogenetics | 28 | 1.5K | 330 | 357 |
| 339 | Reproduction | 45 | 1.5K | 473 | 447 |
| 340 | commerce | 83 | 1.5K | 57 | 269 |
| 341 | Quality of life | 50 | 1.5K | 142 | 223 |
| 342 | Ultrasonic Imaging | 80 | 1.5K | 3 | 16 |
| 343 | Thermochemistry | 82 | 1.5K | 17 | 33 |
| 344 | Developmental Biology | 35 | 1.5K | 473 | 546 |
| 345 | Capital market | 34 | 1.5K | 31 | 19 |
| 346 | Aging | 84 | 1.4K | 375 | 554 |
| 347 | Radio frequency | 52 | 1.4K | 32 | 49 |
| 348 | solar cells | 56 | 1.4K | 47 | 121 |
| 349 | solar power | 54 | 1.4K | 30 | 100 |
| 350 | Chemical analysis | 39 | 1.4K | 105 | 90 |
| 351 | Ventilation | 86 | 1.4K | 9 | 38 |
| 352 | Paleoclimatology | 74 | 1.4K | 86 | 240 |
| 353 | Immune system | 36 | 1.4K | 169 | 353 |
| 354 | Bacterial infections | 8 | 1.3K | 398 | 235 |
| 355 | Entropy | 71 | 1.3K | 21 | 19 |
| 356 | Calorimetry | 53 | 1.3K | 85 | 66 |
| 356 | Thermal analysis | 53 | 1.3K | 85 | 66 |
| 358 | Australia | 53 | 1.3K | 205 | 176 |
| 359 | concrete | 14 | 1.3K | 360 | 268 |
| 360 | Rock Mechanics | 50 | 1.3K | 128 | 189 |
| 361 | Biogeochemistry | 19 | 1.3K | 371 | 324 |
| 362 | Socioeconomic Factors | 33 | 1.3K | 82 | 68 |
| 362 | Computational Fluid Dynamics | 75 | 1.3K | 8 | 37 |
| 364 | Molecular Spectroscopy | 67 | 1.3K | 146 | 219 |
| 365 | Psychophysiology | 42 | 1.3K | 724 | 816 |
| 366 | Plasma polymerization | 55 | 1.3K | 5 | 13 |
| 367 | Computer Science | 104 | 1.3K | 62 | 170 |
| 368 | Simulation Methods | 42 | 1.3K | 33 | 21 |
| 369 | Cosmochemistry | 25 | 1.3K | 197 | 146 |
| 370 | Hematology | 54 | 1.3K | 542 | 639 |
| 371 | Host-parasite interactions | 5 | 1.3K | 829 | 413 |
| 372 | Cardiovascular diseases | 76 | 1.2K | 186 | 336 |
| 373 | Soil Mechanics | 48 | 1.2K | 193 | 257 |
| 373 | Nanoelectronics | 62 | 1.2K | 53 | 37 |
| 373 | Surface properties | 41 | 1.2K | 88 | 162 |
| 376 | Atomic spectroscopy | 90 | 1.2K | 37 | 148 |
| 377 | Drug design | 56 | 1.2K | 112 | 238 |
| 378 | Surface-Active Agents | 40 | 1.2K | 86 | 145 |
| 379 | biological factors | 46 | 1.2K | 265 | 352 |
| 380 | Lipids | 47 | 1.2K | 163 | 303 |
| 381 | mycoses | 3 | 1.2K | 711 | 236 |
| 382 | reasoning | 19 | 1.2K | 43 | 17 |
| 383 | Tissue Engineering | 24 | 1.2K | 32 | 32 |
| 384 | Digestive system diseases | 50 | 1.2K | 117 | 148 |
| 385 | Hydrology | 41 | 1.2K | 534 | 575 |
| 386 | Quantum electronics | 101 | 1.2K | 138 | 249 |
| 387 | biological evolution | 15 | 1.2K | 837 | 688 |
| 388 | Primary health care | 42 | 1.2K | 299 | 277 |
| 389 | Organic Geochemistry | 17 | 1.2K | 99 | 81 |
| 390 | Health Information Management | 13 | 1.1K | 38 | 103 |
| 391 | Superconductors | 85 | 1.1K | 87 | 108 |
| 392 | Jurisprudence | 58 | 1.1K | 85 | 103 |
| 393 | Therapeutics | 37 | 1.1K | 374 | 425 |
| 394 | Immunochemistry | 46 | 1.1K | 70 | 108 |
| 395 | toxicity testing | 59 | 1.1K | 6 | 30 |
| 396 | Chemical industry | 105 | 1.1K | 72 | 127 |
| 397 | Optical Communications | 65 | 1.1K | 48 | 72 |
| 398 | Ophthalmology | 58 | 1.1K | 315 | 449 |
| 399 | Development | 7 | 1.1K | 458 | 169 |
| 400 | Genetic therapy | 45 | 1.1K | 147 | 248 |
| 401 | Alzheimer's disease | 20 | 1.1K | 482 | 247 |
| 402 | Radiation | 70 | 1.1K | 231 | 341 |
| 403 | Climate change | 11 | 1.1K | 468 | 615 |
| 404 | Population | 25 | 1.1K | 168 | 151 |
| 405 | Health Services Research | 47 | 1.1K | 256 | 316 |
| 405 | Antioxidants | 20 | 1.1K | 146 | 211 |
| 407 | Electromagnetic fields | 207 | 1.1K | 1 | 1 |
| 408 | Histology | 47 | 1.1K | 340 | 472 |
| 409 | Environmental Law | 29 | 1.0K | 210 | 386 |
| 410 | Medical innovations | 22 | 1.0K | 215 | 370 |
| 411 | Microwave devices | 61 | 1.0K | 35 | 62 |
| 412 | drug evaluation | 37 | 1.0K | 155 | 160 |
| 413 | Land use | 24 | 1.0K | 216 | 179 |
| 414 | Evolution | 9 | 1.0K | 1,001 | 630 |
| 415 | Humanities | 78 | 1.0K | 46 | 84 |
| 416 | indoor air pollution | 58 | 1.0K | 9 | 45 |
| 416 | Sick building syndrome | 58 | 1.0K | 9 | 45 |
| 418 | Nuclear Fusion | 84 | 1.0K | 80 | 115 |
| 419 | econometric models | 29 | 1.0K | 36 | 40 |
| 420 | microwave communication systems | 59 | 1.0K | 23 | 51 |
| 421 | economic analysis | 39 | 1.0K | 6 | 11 |
| 422 | Respiration | 38 | 986 | 321 | 405 |
| 423 | Surgery | 38 | 983 | 367 | 660 |
| 424 | Pharmacy | 47 | 980 | 373 | 506 |
| 425 | Transportation | 34 | 978 | 382 | 432 |
| 426 | Industrial Design | 41 | 976 | 5 | 19 |
| 427 | drug development | 23 | 975 | 194 | 341 |
| 428 | Data Mining | 40 | 974 | 65 | 164 |
| 429 | Cell metabolism | 18 | 968 | 150 | 335 |
| 430 | health services accessibility | 28 | 963 | 189 | 145 |
| 431 | big data | 18 | 961 | 64 | 38 |
| 432 | carcinogens | 31 | 958 | 149 | 223 |
| 433 | Cement | 3 | 949 | 552 | 212 |
| 434 | Functional Analysis | 66 | 946 | 124 | 208 |
| 435 | Porous materials | 56 | 944 | 24 | 47 |
| 436 | Logistics | 32 | 941 | 46 | 103 |
| 437 | Agricultural Chemistry | 35 | 939 | 499 | 627 |
| 437 | Stem cells | 46 | 939 | 244 | 421 |
| 439 | pollutants | 47 | 938 | 234 | 500 |
| 440 | Materials Engineering | 71 | 934 | 7 | 24 |
| 441 | Hormones | 33 | 931 | 270 | 350 |
| 442 | Adaptive control systems | 17 | 927 | 137 | 23 |
| 443 | Electrophysiology | 30 | 924 | 215 | 155 |
| 444 | Paleoecology | 61 | 922 | 113 | 292 |
| 444 | Paleogeography | 61 | 922 | 73 | 266 |
| 446 | Gastrointestinal diseases | 58 | 919 | 15 | 42 |
| 447 | Statistics | 85 | 914 | 416 | 629 |
| 448 | environmental indicators | 29 | 908 | 141 | 242 |
| 449 | Finite Element Method | 18 | 907 | 46 | 13 |
| 450 | Biodiversity conservation | 11 | 899 | 773 | 736 |
| 451 | Eutrophication | 7 | 897 | 565 | 642 |
| 452 | Proteomics | 37 | 895 | 129 | 263 |
| 453 | Luminescence | 61 | 886 | 74 | 129 |
| 454 | Medical Technology | 57 | 885 | 118 | 312 |
| 454 | Telecommunication Systems | 94 | 885 | 55 | 217 |
| 456 | Health Policy | 48 | 882 | 404 | 524 |
| 457 | Dementia | 19 | 872 | 490 | 245 |
| 458 | Homeostasis | 11 | 869 | 159 | 353 |
| 459 | Egypt | 27 | 868 | 51 | 51 |
| 460 | Visual Communication | 43 | 852 | 11 | 18 |
| 460 | Image enhancement | 43 | 852 | 11 | 18 |
| 462 | Critical Care | 18 | 837 | 499 | 594 |
| 462 | Investment analysis | 61 | 837 | 23 | 115 |
| 464 | food technology | 39 | 829 | 576 | 829 |
| 465 | Critical Care Medicine | 16 | 824 | 514 | 594 |
| 466 | Urology | 34 | 823 | 395 | 448 |
| 467 | fusion reactors | 71 | 822 | 44 | 45 |
| 468 | medical education | 15 | 818 | 672 | 390 |
| 469 | Physical organic chemistry | 32 | 808 | 284 | 296 |
| 470 | Quantum Gravity | 51 | 806 | 699 | 860 |
| 471 | Hazardous waste | 24 | 805 | 140 | 292 |
| 472 | Astrophysics | 54 | 804 | 923 | 1,227 |
| 473 | Combinatorial optimization | 83 | 796 | 4 | 7 |
| 474 | electric vehicles | 50 | 795 | 21 | 47 |
| 475 | Friction | 34 | 792 | 3 | 6 |
| 475 | arthritis | 28 | 792 | 307 | 459 |
| 477 | pain | 32 | 790 | 324 | 459 |
| 477 | gastrointestinal tract | 10 | 790 | 103 | 71 |
| 479 | Intelligent Control Systems | 59 | 779 | 55 | 69 |
| 480 | city planning | 29 | 778 | 386 | 403 |
| 481 | Information Theory | 41 | 777 | 248 | 374 |
| 482 | Hydrogeology | 18 | 776 | 150 | 105 |
| 482 | Geothermal Energy | 18 | 776 | 32 | 21 |
| 484 | Metallic Glasses | 37 | 768 | 34 | 71 |
| 485 | radioactive waste | 20 | 766 | 134 | 286 |
| 485 | industrial waste | 20 | 766 | 148 | 286 |
| 487 | Pharmacogenetics | 21 | 763 | 225 | 254 |
| 488 | Environmental Geology | 40 | 758 | 212 | 417 |
| 489 | vascular diseases | 19 | 738 | 228 | 297 |
| 490 | Schizophrenia | 20 | 734 | 322 | 353 |
| 491 | Corporate Social Responsibility | 20 | 731 | 9 | 48 |
| 491 | environmental auditing | 20 | 731 | 9 | 48 |
| 493 | Drug targeting | 17 | 730 | 36 | 44 |
| 494 | Education | 29 | 728 | 1,127 | 927 |
| 495 | Differential Equations | 42 | 726 | 141 | 202 |
| 496 | Crystal growth | 30 | 724 | 193 | 250 |
| 497 | Imaging systems | 49 | 723 | 32 | 41 |
| 498 | Microbial Ecology | 16 | 722 | 902 | 1,002 |
| 498 | Meteorites | 18 | 722 | 379 | 445 |
| 500 | Photochemistry | 23 | 719 | 466 | 455 |
| 500 | Cognitive Science | 40 | 719 | 263 | 521 |
| 500 | Parasitology | 37 | 719 | 524 | 619 |
| 503 | Photobiology | 22 | 717 | 275 | 284 |
| 504 | Electrochemical Analysis | 23 | 714 | 490 | 436 |
| 505 | Product Design | 55 | 709 | 54 | 80 |
| 506 | Petroleum Engineering | 34 | 708 | 131 | 147 |
| 507 | Clinical Biochemistry | 18 | 707 | 341 | 293 |
| 508 | Eastern Europe | 58 | 705 | 31 | 31 |
| 509 | Medical Anthropology | 24 | 703 | 319 | 450 |
| 510 | Biometrics | 24 | 702 | 311 | 278 |
| 511 | Respiratory system | 24 | 700 | 102 | 137 |
| 512 | extraterrestrial environment | 41 | 699 | 54 | 64 |
| 512 | astronomical phenomena | 41 | 699 | 52 | 58 |
| 514 | Pregnancy | 30 | 693 | 120 | 156 |
| 515 | viruses | 16 | 686 | 501 | 575 |
| 516 | Hemodynamics | 16 | 684 | 251 | 311 |
| 517 | structural stability | 27 | 682 | 37 | 87 |
| 518 | Cellular senescence | 9 | 673 | 59 | 101 |
| 518 | Aerosols | 28 | 673 | 107 | 133 |
| 520 | Geomorphology | 31 | 669 | 335 | 548 |
| 521 | Oral Medicine | 52 | 668 | 36 | 69 |
| 522 | Vaccines | 39 | 663 | 315 | 491 |
| 523 | Analytical Biochemistry | 46 | 658 | 203 | 463 |
| 524 | Entrepreneurship | 14 | 657 | 314 | 445 |
| 525 | gene mapping | 60 | 655 | 243 | 726 |
| 526 | Database Management | 24 | 651 | 196 | 226 |
| 526 | Information Systems | 42 | 651 | 137 | 318 |
| 528 | Thin Films | 27 | 649 | 48 | 44 |
| 528 | Alternative Medicine | 30 | 649 | 232 | 317 |
| 530 | Molecular Pharmacology | 16 | 643 | 259 | 305 |
| 531 | Chromosome mapping | 58 | 637 | 213 | 654 |
| 532 | proteins | 43 | 630 | 391 | 649 |
| 533 | Structural health monitoring | 25 | 628 | 11 | 33 |
| 534 | Soil Science | 30 | 627 | 457 | 691 |
| 535 | Semiconductor industry | 33 | 626 | 79 | 70 |
| 536 | Computational Intelligence | 39 | 624 | 43 | 85 |
| 536 | Biomass | 36 | 624 | 33 | 182 |
| 538 | Structural optimization | 25 | 620 | 47 | 93 |
| 539 | Pharmaceutical Technology | 29 | 616 | 341 | 520 |
| 539 | Psychopharmacology | 24 | 616 | 440 | 602 |
| 539 | gene therapy | 35 | 616 | 177 | 390 |
| 542 | water supply | 12 | 615 | 382 | 356 |
| 543 | Systems Analysis | 41 | 610 | 106 | 200 |
| 544 | Genetic regulation | 35 | 606 | 159 | 442 |
| 545 | Genes | 27 | 598 | 221 | 266 |
| 546 | Enteral nutrition | 20 | 596 | 215 | 302 |
| 546 | Parenteral nutrition | 20 | 596 | 286 | 370 |
| 548 | Bifurcation Theory | 12 | 594 | 47 | 27 |
| 549 | Strategic planning | 25 | 589 | 88 | 209 |
| 549 | biochemical markers | 47 | 589 | 16 | 65 |
| 551 | Thrombosis | 25 | 588 | 302 | 408 |
| 551 | infrared radiation | 43 | 588 | 37 | 44 |
| 553 | complementary therapies | 27 | 586 | 292 | 366 |
| 554 | Gerontology | 51 | 578 | 327 | 514 |
| 555 | air quality management | 28 | 574 | 29 | 102 |
| 556 | Small Business | 14 | 572 | 239 | 435 |
| 557 | Vocational guidance | 8 | 571 | 513 | 376 |
| 558 | Molecules | 56 | 568 | 268 | 494 |
| 559 | Organometallic chemistry | 37 | 566 | 430 | 551 |
| 559 | pigments | 42 | 566 | 87 | 207 |
| 561 | Food Microbiology | 18 | 564 | 381 | 546 |
| 562 | Integrated Circuits | 63 | 563 | 33 | 38 |
| 562 | software | 20 | 563 | 216 | 330 |
| 564 | Carcinogenesis | 21 | 558 | 226 | 355 |
| 565 | Substance Abuse | 14 | 555 | 574 | 460 |
| 566 | Technology Assessment | 9 | 552 | 94 | 81 |
| 567 | Decision making | 42 | 550 | 204 | 468 |
| 568 | Child | 20 | 545 | 804 | 768 |
| 569 | innovation | 14 | 539 | 179 | 354 |
| 570 | Quantum Optics | 64 | 538 | 43 | 222 |
| 570 | Laser Spectroscopy | 64 | 538 | 33 | 193 |
| 572 | Population Genetics | 12 | 536 | 552 | 543 |
| 573 | drugs | 41 | 534 | 371 | 685 |
| 574 | Computer Engineering | 33 | 532 | 70 | 127 |
| 574 | Public Administration | 17 | 532 | 527 | 397 |
| 576 | Transnational corporations | 23 | 528 | 19 | 52 |
| 577 | Women's health | 27 | 524 | 237 | 297 |
| 577 | Recycling | 14 | 524 | 158 | 328 |
| 579 | Global Health | 27 | 523 | 183 | 206 |
| 580 | sustainability | 23 | 518 | 152 | 390 |
| 581 | Spine | 25 | 517 | 159 | 278 |
| 582 | Molecular structure | 46 | 511 | 429 | 831 |
| 583 | Andrology | 22 | 504 | 106 | 144 |
| 584 | Systems Theory | 16 | 495 | 62 | 16 |
| 585 | drug therapy | 33 | 487 | 562 | 791 |
| 586 | Radiobiology | 16 | 485 | 471 | 487 |
| 586 | Memory | 15 | 485 | 697 | 683 |
| 588 | Soil biology | 2 | 484 | 990 | 520 |
| 589 | Social Psychology | 29 | 478 | 634 | 960 |
| 590 | Fiber Optics | 37 | 477 | 181 | 294 |
| 591 | Microstructure | 41 | 475 | 50 | 93 |
| 592 | Cell communication | 20 | 467 | 71 | 229 |
| 593 | Dermatology | 46 | 466 | 328 | 612 |
| 593 | Granular materials | 30 | 466 | 52 | 122 |
| 595 | Adolescent | 17 | 464 | 737 | 744 |
| 595 | brain mapping | 20 | 464 | 183 | 320 |
| 597 | Health | 35 | 460 | 445 | 762 |
| 598 | mutagens | 11 | 459 | 324 | 373 |
| 599 | Perception | 12 | 451 | 789 | 705 |
| 600 | Quality Control | 33 | 450 | 271 | 603 |
| 601 | Iron | 22 | 449 | 64 | 69 |
| 602 | Botany | 26 | 445 | 1,379 | 1,804 |
| 603 | bioluminescence | 28 | 443 | 16 | 17 |
| 604 | clay | 16 | 441 | 200 | 341 |
| 605 | Histocompatibility Testing | 23 | 440 | 61 | 105 |
| 606 | Visual Perception | 11 | 438 | 702 | 602 |
| 606 | Attention | 11 | 438 | 727 | 632 |
| 608 | X-rays | 47 | 436 | 24 | 72 |
| 609 | Remote Sensing | 18 | 435 | 494 | 377 |
| 610 | Biomarkers | 37 | 434 | 15 | 46 |
| 611 | Geomagnetism | 8 | 430 | 369 | 258 |
| 611 | Tunneling | 10 | 430 | 144 | 163 |
| 611 | underground construction | 10 | 430 | 144 | 163 |
| 614 | histological techniques | 13 | 429 | 259 | 328 |
| 615 | Clinical Immunology | 16 | 423 | 396 | 472 |
| 616 | catalytic activity | 10 | 420 | 311 | 284 |
| 617 | Gene expression | 26 | 418 | 28 | 89 |
| 617 | Protozoa | 15 | 418 | 98 | 139 |
| 619 | Drying | 21 | 417 | 65 | 103 |
| 620 | Urban Policy | 11 | 406 | 333 | 299 |
| 620 | Algorithms | 33 | 406 | 45 | 152 |
| 622 | Bones | 19 | 404 | 214 | 392 |
| 623 | Paleontology | 11 | 402 | 670 | 469 |
| 624 | Neuroplasticity | 18 | 401 | 12 | 48 |
| 625 | Astrocytes | 5 | 400 | 328 | 287 |
| 626 | carbon monoxide | 13 | 399 | 52 | 120 |
| 627 | poverty | 10 | 394 | 110 | 85 |
| 628 | Air Conditioning | 28 | 393 | 18 | 25 |
| 629 | Nanophotonics | 16 | 392 | 71 | 121 |
| 630 | research and development | 7 | 391 | 138 | 128 |
| 631 | Information Retrieval | 16 | 390 | 107 | 184 |
| 632 | Antibacterial agents | 15 | 386 | 154 | 251 |
| 633 | Nonlinear mechanics | 24 | 383 | 52 | 99 |
| 634 | Radio wave propagation | 33 | 382 | 112 | 179 |
| 635 | Computational Complexity | 39 | 381 | 68 | 187 |
| 636 | Japan | 28 | 378 | 358 | 477 |
| 636 | heating | 26 | 378 | 20 | 26 |
| 638 | Radiology | 26 | 374 | 329 | 414 |
| 639 | behavioral medicine | 11 | 373 | 571 | 703 |
| 639 | Chemical processes | 28 | 373 | 71 | 150 |
| 641 | Cheminformatics | 6 | 371 | 158 | 186 |
| 642 | healthcare disparities | 9 | 369 | 208 | 137 |
| 642 | Tropical Medicine | 27 | 369 | 427 | 602 |
| 644 | ovary | 14 | 362 | 30 | 34 |
| 645 | Transplantation | 13 | 361 | 424 | 522 |
| 646 | natural products | 31 | 358 | 406 | 697 |
| 647 | Microscopy | 34 | 356 | 230 | 472 |
| 648 | Genetic testing | 33 | 353 | 5 | 16 |
| 649 | Money | 17 | 350 | 19 | 104 |
| 650 | Export Marketing | 4 | 349 | 143 | 107 |
| 651 | Bioenergetics | 21 | 348 | 215 | 432 |
| 651 | Sleep Disorders | 21 | 348 | 454 | 630 |
| 653 | biofuels | 5 | 346 | 168 | 189 |
| 653 | Lightweight concrete | 8 | 346 | 212 | 332 |
| 653 | Sleep | 23 | 346 | 438 | 635 |
| 656 | East Asia | 28 | 344 | 61 | 77 |
| 657 | Informatics | 9 | 343 | 435 | 376 |
| 658 | Project Management | 5 | 342 | 176 | 210 |
| 658 | Oxidation | 15 | 342 | 37 | 41 |
| 658 | natural gas | 17 | 342 | 92 | 142 |
| 661 | transport vesicles | 6 | 340 | 97 | 276 |
| 662 | Immunopathology | 22 | 337 | 387 | 598 |
| 662 | Neuropharmacology | 11 | 337 | 246 | 257 |
| 664 | Biodiversity | 19 | 332 | 767 | 1,098 |
| 665 | Nursing | 25 | 331 | 547 | 644 |
| 665 | Public Policy | 21 | 331 | 513 | 809 |
| 667 | Gene expression regulation | 25 | 329 | 179 | 471 |
| 668 | Green Technology | 21 | 328 | 27 | 74 |
| 669 | Cellulose | 14 | 326 | 158 | 271 |
| 670 | Mining Engineering | 5 | 322 | 374 | 230 |
| 670 | Higher Education | 7 | 322 | 356 | 204 |
| 672 | Forecasting | 15 | 319 | 122 | 202 |
| 673 | Electronic Packaging | 9 | 318 | 86 | 58 |
| 673 | Cognitive neuroscience | 16 | 318 | 385 | 613 |
| 675 | Mineralogy | 26 | 317 | 446 | 658 |
| 676 | human development | 15 | 315 | 283 | 449 |
| 677 | Histochemistry | 25 | 314 | 238 | 448 |
| 677 | DNS | 16 | 314 | 88 | 164 |
| 679 | Endocrine glands | 4 | 310 | 202 | 226 |
| 680 | Organometallic compounds | 15 | 308 | 568 | 647 |
| 681 | Cardiac electrophysiology | 5 | 307 | 169 | 153 |
| 681 | visualization | 41 | 307 | 282 | 404 |
| 681 | arrhythmia | 5 | 307 | 169 | 153 |
| 684 | vitamin C | 8 | 305 | 153 | 201 |
| 684 | vitamin E | 8 | 305 | 153 | 201 |
| 686 | Evidence-Based Medicine | 17 | 303 | 174 | 253 |
| 687 | Molecular Genetics | 10 | 300 | 941 | 1,085 |
| 687 | Securities | 20 | 300 | 14 | 116 |
| 687 | Combinatorial analysis | 21 | 300 | 319 | 274 |
| 690 | cloning | 12 | 298 | 227 | 437 |
| 691 | personality | 12 | 297 | 725 | 922 |
| 691 | DNA | 15 | 297 | 127 | 198 |
| 693 | Electrocardiography | 7 | 295 | 157 | 67 |
| 694 | Educational Technology | 18 | 294 | 516 | 785 |
| 694 | Financial Institutions | 13 | 294 | 57 | 122 |
| 696 | Radiochemistry | 25 | 291 | 214 | 293 |
| 697 | Neuroimmunology | 9 | 290 | 337 | 463 |
| 698 | Bioremediation | 6 | 289 | 515 | 376 |
| 698 | Plants | 15 | 289 | 884 | 1,204 |
| 700 | Geography | 16 | 288 | 833 | 1,055 |
| 701 | Oceanography | 11 | 286 | 898 | 946 |
| 701 | Financial Engineering | 10 | 286 | 7 | 23 |
| 703 | Food additives | 10 | 285 | 509 | 689 |
| 704 | Happiness | 8 | 283 | 151 | 179 |
| 705 | Economic Assistance | 5 | 279 | 495 | 444 |
| 705 | mathematical concepts | 22 | 279 | 53 | 86 |
| 707 | Databases | 7 | 277 | 228 | 197 |
| 707 | population policy | 8 | 277 | 62 | 44 |
| 709 | Bioprinting | 11 | 276 | 5 | 15 |
| 709 | Proteome | 19 | 276 | 352 | 694 |
| 711 | Marine Meteorology | 19 | 274 | 115 | 201 |
| 712 | nuclear magnetic resonance | 18 | 273 | 386 | 457 |
| 712 | Smoking | 6 | 273 | 462 | 430 |
| 714 | Regional Planning | 13 | 272 | 689 | 768 |
| 714 | Behavioral research | 20 | 272 | 49 | 107 |
| 714 | Indoor air quality | 20 | 272 | 11 | 9 |
| 717 | Crystallography | 18 | 271 | 671 | 501 |
| 717 | stocks | 15 | 271 | 5 | 44 |
| 719 | Nonlinear systems | 15 | 270 | 189 | 248 |
| 720 | Reproductive health | 9 | 269 | 345 | 333 |
| 720 | hydrocolloids | 7 | 269 | 361 | 517 |
| 722 | Cerebral cortex | 13 | 267 | 405 | 586 |
| 722 | Catalysts | 19 | 267 | 127 | 277 |
| 724 | Nuclear Chemistry | 22 | 266 | 308 | 381 |
| 724 | older people | 27 | 266 | 406 | 547 |
| 726 | Flexible electronics | 6 | 263 | 24 | 42 |
| 726 | optical devices | 20 | 263 | 66 | 153 |
| 728 | Neuropsychiatry | 11 | 262 | 357 | 429 |
| 728 | Integrative Medicine | 32 | 262 | 35 | 53 |
| 730 | Soil dynamics | 13 | 260 | 178 | 247 |
| 731 | Osteoporosis | 6 | 259 | 174 | 124 |
| 731 | Bone diseases | 10 | 259 | 170 | 343 |
| 733 | calcification | 10 | 256 | 223 | 290 |
| 734 | Development Economics | 5 | 254 | 271 | 172 |
| 735 | Greenhouse gases | 11 | 251 | 103 | 191 |
| 736 | Number Theory | 38 | 250 | 93 | 144 |
| 736 | Leukemia | 6 | 250 | 569 | 595 |
| 738 | Agricultural Engineering | 6 | 249 | 258 | 216 |
| 738 | Demography | 9 | 249 | 308 | 352 |
| 738 | Microfabrication | 29 | 249 | 28 | 122 |
| 741 | Leadership | 5 | 248 | 375 | 400 |
| 741 | Developmental Immunology | 6 | 248 | 374 | 360 |
| 743 | Forensic Genetics | 14 | 247 | 69 | 136 |
| 744 | Child welfare | 12 | 246 | 440 | 501 |
| 744 | Steroids | 9 | 246 | 472 | 493 |
| 746 | Highway Engineering | 7 | 245 | 205 | 147 |
| 747 | Animal Behavior | 8 | 243 | 1,108 | 1,232 |
| 747 | Bioinorganic chemistry | 12 | 243 | 724 | 802 |
| 747 | Magnetic Resonance Spectroscopy | 11 | 243 | 580 | 538 |
| 747 | Social work | 14 | 243 | 587 | 578 |
| 751 | Autoimmunity | 14 | 242 | 258 | 494 |
| 752 | Radioisotopes | 15 | 239 | 387 | 371 |
| 752 | infection | 12 | 239 | 668 | 936 |
| 754 | Access to Information | 3 | 237 | 154 | 124 |
| 754 | Information dissemination | 3 | 237 | 154 | 124 |
| 756 | Zeolites | 11 | 236 | 396 | 633 |
| 757 | Electromagnetic waves | 15 | 235 | 48 | 73 |
| 758 | Neurosurgery | 15 | 234 | 365 | 557 |
| 759 | hazard mitigation | 8 | 233 | 437 | 481 |
| 760 | Cloud Computing | 8 | 232 | 117 | 135 |
| 760 | drug resistance | 10 | 232 | 238 | 379 |
| 760 | men | 14 | 232 | 33 | 91 |
| 760 | Industry | 5 | 232 | 79 | 189 |
| 760 | Minerals | 13 | 232 | 217 | 339 |
| 765 | Sports Medicine | 18 | 231 | 986 | 1,230 |
| 766 | plant molecular biology | 10 | 230 | 778 | 1,181 |
| 766 | organization | 5 | 230 | 591 | 616 |
| 768 | Environmental Geochemistry | 12 | 229 | 103 | 184 |
| 768 | Climate | 14 | 229 | 147 | 336 |
| 768 | Allergy | 6 | 229 | 686 | 818 |
| 771 | Hydrodynamics | 15 | 228 | 213 | 370 |
| 771 | Water quality management | 24 | 228 | 491 | 913 |
| 773 | economic forecasting | 4 | 227 | 238 | 188 |
| 773 | glycoproteins | 8 | 227 | 223 | 269 |
| 773 | Glycoconjugates | 8 | 227 | 223 | 269 |
| 773 | plasma | 11 | 227 | 20 | 19 |
| 773 | glycolipids | 8 | 227 | 223 | 269 |
| 778 | Developmental Neurobiology | 10 | 226 | 185 | 235 |
| 779 | Econometrics | 32 | 223 | 337 | 683 |
| 779 | natural disasters | 7 | 223 | 806 | 791 |
| 781 | Mass Spectrometry | 16 | 222 | 447 | 639 |
| 781 | gene transfer | 22 | 222 | 15 | 102 |
| 781 | genetic transformation | 22 | 222 | 15 | 102 |
| 784 | world | 6 | 220 | 460 | 578 |
| 785 | Stochastic Processes | 22 | 219 | 179 | 347 |
| 785 | Longevity | 4 | 219 | 111 | 80 |
| 785 | rejuvenation | 4 | 219 | 75 | 63 |
| 788 | Social Networks | 7 | 217 | 116 | 168 |
| 788 | Animal welfare | 3 | 217 | 241 | 132 |
| 788 | families | 9 | 217 | 446 | 389 |
| 788 | Demographic research | 3 | 217 | 114 | 118 |
| 792 | Regeneration | 6 | 215 | 28 | 17 |
| 793 | Energy metabolism | 15 | 210 | 236 | 455 |
| 794 | probabilities | 22 | 209 | 487 | 568 |
| 795 | Asthma | 11 | 208 | 218 | 273 |
| 796 | Ecological Engineering | 8 | 203 | 291 | 501 |
| 796 | Diagnosis | 7 | 203 | 184 | 166 |
| 796 | Learning | 6 | 203 | 845 | 810 |
| 799 | Artificial Organs | 11 | 201 | 262 | 267 |
| 800 | Audiology | 5 | 198 | 558 | 449 |
| 801 | Graphene | 6 | 196 | 31 | 77 |
| 802 | Biopharmaceutics | 8 | 193 | 588 | 775 |
| 802 | preventive medicine | 14 | 193 | 447 | 797 |
| 804 | Organizational learning | 16 | 192 | 35 | 144 |
| 805 | Geotechnical Engineering | 5 | 191 | 339 | 292 |
| 806 | eugenics | 9 | 189 | 237 | 300 |
| 807 | Psychoneuroimmunology | 7 | 188 | 341 | 539 |
| 807 | Child Development | 10 | 188 | 976 | 1,224 |
| 807 | anesthesia | 16 | 188 | 102 | 135 |
| 810 | bioclimatology | 15 | 186 | 252 | 565 |
| 810 | alcoholism | 7 | 186 | 835 | 897 |
| 812 | epilepsy | 17 | 182 | 292 | 519 |
| 812 | Plant physiology | 9 | 182 | 1,230 | 1,619 |
| 812 | biological monitoring | 8 | 182 | 214 | 314 |
| 815 | Embryology | 8 | 180 | 819 | 1,044 |
| 815 | Wireless Communication | 13 | 180 | 85 | 119 |
| 815 | Metabolic syndrome | 14 | 180 | 45 | 108 |
| 818 | Sedimentology | 6 | 178 | 398 | 416 |
| 818 | Noise | 23 | 178 | 3 | 24 |
| 820 | Elderly | 24 | 177 | 353 | 411 |
| 820 | Biomolecules | 8 | 177 | 190 | 377 |
| 822 | Hypertension in pregnancy | 6 | 176 | 82 | 55 |
| 823 | global environmental change | 8 | 175 | 418 | 710 |
| 823 | Auditing | 6 | 175 | 241 | 284 |
| 823 | drug toxicity | 8 | 175 | 154 | 271 |
| 826 | Autoantibodies | 12 | 174 | 194 | 436 |
| 826 | Autoimmune diseases | 12 | 174 | 215 | 462 |
| 828 | Socialization | 3 | 173 | 547 | 457 |
| 828 | role | 3 | 173 | 448 | 384 |
| 830 | Developed countries | 2 | 172 | 264 | 160 |
| 831 | Ethology | 5 | 171 | 1,085 | 1,208 |
| 831 | Nanomanufacturing | 24 | 171 | 5 | 15 |
| 833 | Nuclear Medicine | 9 | 169 | 477 | 542 |
| 834 | Infertility | 7 | 167 | 502 | 666 |
| 834 | planning | 12 | 167 | 241 | 381 |
| 834 | fertility | 7 | 167 | 548 | 715 |
| 837 | Waste management | 18 | 166 | 420 | 801 |
| 838 | Online social networks | 3 | 164 | 285 | 139 |
| 839 | Emergency Medicine | 9 | 163 | 676 | 668 |
| 839 | Molecular Imaging | 8 | 163 | 325 | 445 |
| 839 | disease outbreaks | 6 | 163 | 330 | 420 |
| 839 | Epidemics | 6 | 163 | 313 | 418 |
| 843 | Dentistry | 22 | 162 | 182 | 312 |
| 843 | Knowledge management | 15 | 162 | 23 | 95 |
| 843 | Raman spectroscopy | 12 | 162 | 282 | 518 |
| 843 | Metrology | 8 | 162 | 20 | 12 |
| 847 | soil management | 5 | 160 | 388 | 480 |
| 847 | Microfluidics | 4 | 160 | 187 | 137 |
| 847 | Ubiquitous computing | 10 | 160 | 37 | 45 |
| 847 | Social behavior | 10 | 160 | 605 | 879 |
| 847 | tillage | 5 | 160 | 286 | 417 |
| 852 | microwave antennas | 23 | 159 | 44 | 132 |
| 853 | Chemical Oceanography | 2 | 158 | 324 | 263 |
| 853 | Sustainable agriculture | 3 | 158 | 708 | 484 |
| 853 | Laser therapy | 17 | 158 | 94 | 165 |
| 856 | Immunogenetics | 10 | 157 | 264 | 406 |
| 856 | dietary supplements | 17 | 157 | 164 | 650 |
| 856 | tests | 3 | 157 | 181 | 150 |
| 859 | radar | 10 | 156 | 56 | 70 |
| 859 | Sonar | 10 | 156 | 47 | 63 |
| 859 | Plant diseases | 6 | 156 | 1,368 | 1,285 |
| 859 | Navigation | 10 | 156 | 100 | 96 |
| 863 | Bioethics | 11 | 155 | 442 | 486 |
| 863 | Medical Ethics | 9 | 155 | 591 | 582 |
| 863 | Chemical kinetics | 15 | 155 | 193 | 251 |
| 866 | Emergency Medical Services | 8 | 154 | 305 | 337 |
| 867 | Investments | 6 | 153 | 285 | 219 |
| 868 | Machine Learning | 9 | 152 | 132 | 239 |
| 868 | Cell division | 5 | 152 | 236 | 311 |
| 870 | Sensor Networks | 15 | 151 | 35 | 120 |
| 870 | Cell survival | 6 | 151 | 71 | 153 |
| 870 | molecular chaperones | 6 | 151 | 89 | 153 |
| 873 | Research Design | 10 | 149 | 553 | 848 |
| 873 | motivation | 1 | 149 | 665 | 293 |
| 873 | forest policy | 6 | 149 | 213 | 213 |
| 876 | Microcirculation | 8 | 148 | 223 | 328 |
| 876 | Water Purification | 16 | 148 | 366 | 693 |
| 876 | Freeze-Drying | 3 | 148 | 355 | 212 |
| 876 | Hypothermia | 3 | 148 | 355 | 212 |
| 876 | Freeze Drying | 3 | 148 | 355 | 212 |
| 876 | Blood vessels | 8 | 148 | 159 | 262 |
| 882 | Anatomy | 13 | 147 | 905 | 1,277 |
| 882 | Bibliometrics | 5 | 147 | 77 | 101 |
| 882 | Immunotoxicology | 12 | 147 | 51 | 122 |
| 882 | Human Resources | 4 | 147 | 376 | 467 |
| 886 | radiative transfer | 7 | 146 | 381 | 353 |
| 887 | Computational Linguistics | 16 | 145 | 66 | 165 |
| 887 | Food service management | 7 | 145 | 202 | 495 |
| 889 | Plant cells | 5 | 144 | 766 | 1,190 |
| 890 | Infection control | 8 | 143 | 101 | 218 |
| 891 | Natural resources | 6 | 142 | 491 | 632 |
| 891 | soil conservation | 13 | 142 | 233 | 620 |
| 891 | United Kingdom | 9 | 142 | 770 | 1,072 |
| 894 | Islam | 3 | 141 | 467 | 148 |
| 895 | Nanomedicine | 7 | 140 | 64 | 217 |
| 896 | Genetic markers | 9 | 139 | 46 | 112 |
| 897 | Landslides | 9 | 138 | 78 | 272 |
| 898 | Geriatric Psychiatry | 6 | 137 | 607 | 682 |
| 898 | Pharmacokinetics | 9 | 137 | 377 | 694 |
| 898 | curriculum evaluation | 3 | 137 | 384 | 236 |
| 898 | Oligosaccharides | 6 | 137 | 133 | 164 |
| 898 | synthesis | 14 | 137 | 359 | 534 |
| 903 | Economic planning | 6 | 136 | 300 | 364 |
| 904 | Child psychology | 4 | 135 | 1,152 | 1,173 |
| 904 | peptides | 15 | 135 | 194 | 452 |
| 904 | Soil ecology | 4 | 135 | 640 | 723 |
| 907 | Computational Chemistry | 13 | 134 | 236 | 556 |
| 907 | Mental Health | 8 | 134 | 896 | 1,061 |
| 907 | pain management | 11 | 134 | 231 | 407 |
| 907 | Teaching | 11 | 134 | 877 | 1,140 |
| 911 | Genetic databases | 1 | 133 | 128 | 2 |
| 912 | Forest Ecology | 6 | 132 | 694 | 866 |
| 912 | Flexible manufacturing systems | 8 | 132 | 159 | 302 |
| 912 | Advertising | 1 | 132 | 552 | 308 |
| 915 | Political Science | 6 | 131 | 1,218 | 967 |
| 915 | weather | 10 | 131 | 211 | 456 |
| 917 | Graph Theory | 19 | 130 | 201 | 335 |
| 917 | Human biology | 12 | 130 | 243 | 384 |
| 919 | RNA | 2 | 129 | 576 | 489 |
| 920 | Mental Health Services | 5 | 128 | 833 | 839 |
| 920 | identity recognition | 3 | 128 | 37 | 30 |
| 922 | Randomized Controlled Trials | 13 | 127 | 383 | 540 |
| 923 | drug addiction | 4 | 126 | 841 | 876 |
| 924 | Corporate governance | 11 | 125 | 152 | 559 |
| 925 | local government | 2 | 124 | 463 | 283 |
| 925 | protein | 9 | 124 | 644 | 887 |
| 925 | Adipose tissue | 7 | 124 | 8 | 34 |
| 928 | Hematopoietic stem cell transplantation | 6 | 123 | 234 | 418 |
| 928 | Sports | 11 | 123 | 1,099 | 1,364 |
| 930 | Educational Psychology | 9 | 122 | 794 | 1,117 |
| 930 | Parasitic Diseases | 7 | 122 | 1,206 | 1,458 |
| 930 | aerosol | 7 | 122 | 215 | 281 |
| 933 | Microbial Genetics | 3 | 121 | 336 | 318 |
| 933 | Hemostasis | 10 | 121 | 330 | 510 |
| 933 | phytopathogenic bacteria | 3 | 121 | 229 | 288 |
| 936 | Zoology | 4 | 120 | 2,127 | 1,633 |
| 936 | Welding | 10 | 120 | 88 | 65 |
| 936 | Central Asia | 5 | 120 | 68 | 89 |
| 939 | Health Education | 7 | 119 | 1,130 | 1,283 |
| 939 | elasticity | 10 | 119 | 87 | 165 |
| 941 | Rheumatology | 9 | 118 | 587 | 862 |
| 942 | Optoelectronics | 19 | 117 | 99 | 211 |
| 943 | Hydraulic Engineering | 4 | 116 | 732 | 655 |
| 943 | genre | 2 | 116 | 281 | 78 |
| 943 | Geriatric Oncology | 6 | 116 | 320 | 494 |
| 943 | population trends | 1 | 116 | 148 | 125 |
| 947 | Organizational change | 5 | 115 | 539 | 587 |
| 947 | Youth | 4 | 115 | 561 | 618 |
| 949 | technology transfer | 7 | 114 | 78 | 247 |
| 949 | Ecosystem management | 2 | 114 | 845 | 597 |
| 949 | Infrared spectroscopy | 7 | 114 | 117 | 221 |
| 949 | Androgens | 3 | 114 | 209 | 217 |
| 953 | adolescence | 3 | 113 | 888 | 782 |
| 953 | primary prevention | 4 | 113 | 314 | 356 |
| 955 | Cytokine | 11 | 112 | 100 | 436 |
| 955 | India | 14 | 112 | 426 | 555 |
| 957 | Eurasia | 3 | 111 | 196 | 123 |
| 958 | Civil Engineering | 7 | 109 | 959 | 809 |
| 958 | Neuroendocrinology | 1 | 109 | 247 | 221 |
| 958 | biomimicry | 5 | 109 | 115 | 155 |
| 961 | Neurotoxicology | 8 | 108 | 263 | 574 |
| 962 | Fixed Point Theory | 7 | 107 | 109 | 79 |
| 962 | Information management | 3 | 107 | 54 | 51 |
| 962 | Refractory materials | 10 | 107 | 44 | 26 |
| 965 | movement | 1 | 106 | 651 | 334 |
| 966 | Polymer Engineering | 5 | 105 | 51 | 27 |
| 966 | Inventory Control | 4 | 105 | 32 | 68 |
| 966 | Horticulture | 3 | 105 | 754 | 556 |
| 969 | soil pollution | 4 | 103 | 447 | 443 |
| 969 | Creativity | 7 | 103 | 105 | 290 |
| 971 | Health Services Administration | 8 | 102 | 513 | 797 |
| 971 | preimplantation genetic diagnosis | 9 | 102 | 179 | 332 |
| 971 | Superconductivity | 5 | 102 | 354 | 306 |
| 971 | embryo transfer | 9 | 102 | 189 | 340 |
| 971 | Screening | 8 | 102 | 46 | 125 |
| 971 | Growth | 3 | 102 | 942 | 1,146 |
| 977 | Applied Sciences | 4 | 101 | 12 | 57 |
| 977 | Applied Mechanics | 4 | 101 | 12 | 57 |
| 979 | Marine Biology | 2 | 100 | 2,593 | 2,099 |
| 979 | Computer Architecture | 12 | 100 | 181 | 329 |
| 979 | Biological Systems | 4 | 100 | 433 | 507 |
| 979 | Adhesion | 10 | 100 | 247 | 526 |
| 979 | Financial management | 7 | 100 | 248 | 549 |
| 979 | adhesives | 10 | 100 | 264 | 531 |
| 985 | Expert Systems | 9 | 99 | 28 | 117 |
| 985 | Social welfare | 3 | 99 | 568 | 424 |
| 985 | Agriculture | 12 | 99 | 961 | 1,773 |
| 988 | greenhouse effect | 4 | 98 | 26 | 63 |
| 988 | Molecular evolution | 7 | 98 | 870 | 1,504 |
| 988 | analysis | 3 | 98 | 361 | 374 |
| 988 | Carbon dioxide | 4 | 98 | 26 | 63 |
| 992 | Rural Development | 4 | 97 | 424 | 506 |
| 992 | Antigens | 5 | 97 | 526 | 595 |
| 994 | Decision Support Systems | 1 | 96 | 345 | 112 |
| 994 | Interfaces | 4 | 96 | 239 | 241 |
| 994 | Computer Literacy | 1 | 96 | 477 | 219 |
| 997 | Aerospace Engineering | 20 | 95 | 55 | 137 |
| 997 | explosives | 16 | 95 | 41 | 88 |
| 999 | Biogeochemical cycles | 2 | 94 | 468 | 598 |
| 999 | Risk assessment | 11 | 94 | 166 | 458 |