| 1 | Materials | 4,182 | 167.2K | 8 | 24 |
| 2 | Chemistry | 2,327 | 144.6K | 141 | 138 |
| 3 | Physics | 3,017 | 108.1K | 121 | 275 |
| 4 | Nanotechnology | 2,111 | 96.3K | 20 | 44 |
| 5 | Materials Science | 1,950 | 85.7K | 18 | 28 |
| 6 | Biology | 1,160 | 75.0K | 267 | 342 |
| 7 | Chemical Engineering | 1,906 | 67.9K | 15 | 23 |
| 8 | Biocompatible Materials | 1,279 | 66.7K | 21 | 24 |
| 9 | Science | 1,351 | 62.5K | 226 | 407 |
| 10 | Heat Exchangers | 1,372 | 46.5K | 1 | 1 |
| 11 | energy conservation | 770 | 44.1K | 4 | 3 |
| 12 | mass transfer | 1,254 | 42.5K | 1 | 2 |
| 13 | Optical materials | 807 | 41.5K | 14 | 14 |
| 14 | Signal Processing | 851 | 41.1K | 16 | 24 |
| 15 | Molecular Biology | 1,339 | 40.8K | 157 | 345 |
| 16 | Medicine | 1,705 | 40.2K | 171 | 368 |
| 17 | vibration | 592 | 40.0K | 1 | 1 |
| 18 | Structural dynamics | 460 | 38.3K | 1 | 1 |
| 19 | Renewable Energy Sources | 560 | 36.4K | 8 | 9 |
| 20 | Catalysis | 756 | 36.3K | 65 | 67 |
| 21 | Nanostructured Materials | 897 | 35.7K | 15 | 24 |
| 22 | nanoscience | 615 | 34.8K | 29 | 44 |
| 23 | Biochemical Engineering | 815 | 34.3K | 22 | 62 |
| 24 | Image Processing | 577 | 32.6K | 18 | 16 |
| 25 | Artificial Intelligence | 665 | 32.3K | 23 | 33 |
| 26 | Composite Materials | 838 | 32.2K | 11 | 17 |
| 27 | Energy Policy | 1,025 | 32.0K | 4 | 8 |
| 28 | Biochemistry | 1,345 | 31.5K | 273 | 464 |
| 29 | Research | 1,339 | 28.1K | 153 | 306 |
| 30 | Analytical Chemistry | 792 | 25.7K | 42 | 62 |
| 31 | Metals | 612 | 25.1K | 17 | 28 |
| 32 | Biotechnology | 623 | 24.9K | 137 | 227 |
| 33 | Metallurgy | 587 | 23.9K | 29 | 39 |
| 34 | Polymers | 674 | 21.8K | 143 | 136 |
| 35 | Pharmacology | 969 | 21.8K | 87 | 175 |
| 36 | Biomedical Engineering | 816 | 21.2K | 43 | 89 |
| 37 | Nuclear Physics | 1,323 | 20.0K | 156 | 331 |
| 38 | Energy Conversion | 243 | 19.6K | 14 | 33 |
| 39 | Bioengineering | 436 | 19.2K | 99 | 204 |
| 40 | Power Electronics | 631 | 19.0K | 6 | 9 |
| 41 | Colloids | 629 | 18.2K | 47 | 97 |
| 42 | coal | 547 | 18.1K | 7 | 10 |
| 43 | Manufacturing Processes | 714 | 17.8K | 9 | 14 |
| 44 | Nuclear Engineering | 1,299 | 17.2K | 9 | 16 |
| 45 | Cancer | 474 | 17.1K | 112 | 207 |
| 46 | Mathematics | 1,133 | 17.0K | 88 | 88 |
| 47 | Automation | 379 | 16.4K | 42 | 70 |
| 48 | Surface Chemistry | 565 | 16.3K | 60 | 105 |
| 49 | Environmental Chemistry | 194 | 16.3K | 40 | 41 |
| 50 | management | 288 | 16.2K | 93 | 151 |
| 51 | Optics | 1,094 | 15.8K | 67 | 132 |
| 52 | Nuclear Energy | 1,138 | 15.7K | 5 | 5 |
| 53 | Cell Biology | 550 | 15.6K | 146 | 410 |
| 54 | Biophysics | 638 | 15.6K | 197 | 291 |
| 55 | Cytology | 575 | 15.0K | 153 | 427 |
| 56 | Natural history | 61 | 14.4K | 678 | 692 |
| 57 | Mechanical Engineering | 893 | 14.2K | 4 | 8 |
| 58 | Neurology | 554 | 14.0K | 290 | 532 |
| 59 | Combustion | 568 | 13.8K | 8 | 21 |
| 60 | Electronics | 571 | 13.8K | 77 | 115 |
| 61 | Electrical Engineering | 643 | 13.8K | 48 | 33 |
| 62 | Neural circuitry | 441 | 13.4K | 11 | 13 |
| 63 | China | 782 | 13.1K | 31 | 33 |
| 64 | fuel cells | 237 | 12.4K | 13 | 41 |
| 65 | Magnetic Materials | 478 | 12.4K | 5 | 7 |
| 66 | Ceramics | 287 | 12.2K | 23 | 21 |
| 67 | polymerization | 422 | 12.0K | 179 | 206 |
| 68 | Nanoparticles | 360 | 11.5K | 15 | 36 |
| 69 | miniaturization | 249 | 11.5K | 48 | 115 |
| 70 | Cybernetics | 136 | 11.5K | 60 | 28 |
| 71 | Electrochemistry | 468 | 11.4K | 139 | 158 |
| 72 | Wireless Communication Systems | 482 | 11.2K | 29 | 70 |
| 73 | Environment | 276 | 11.0K | 295 | 489 |
| 74 | Statistical physics | 453 | 10.7K | 143 | 193 |
| 75 | Solid State Physics | 503 | 10.6K | 230 | 318 |
| 76 | Production Management | 86 | 10.5K | 59 | 17 |
| 77 | Microelectronics | 246 | 10.4K | 65 | 111 |
| 78 | Engineering | 459 | 10.2K | 53 | 72 |
| 79 | Physiology | 395 | 10.1K | 177 | 294 |
| 80 | actuators | 399 | 10.0K | 11 | 31 |
| 80 | transducers | 399 | 10.0K | 11 | 31 |
| 82 | Geophysics | 296 | 9.9K | 297 | 322 |
| 83 | Tribology | 473 | 9.8K | 5 | 9 |
| 84 | Oncology | 212 | 9.6K | 91 | 218 |
| 85 | Information Science | 243 | 9.5K | 29 | 31 |
| 86 | Operations Research | 172 | 9.4K | 81 | 63 |
| 87 | pottery | 237 | 9.3K | 24 | 32 |
| 88 | Glass | 236 | 9.3K | 24 | 32 |
| 89 | Ceramic materials | 301 | 9.1K | 7 | 10 |
| 90 | Production Engineering | 513 | 9.0K | 12 | 17 |
| 91 | Numerical Analysis | 513 | 8.7K | 2 | 8 |
| 92 | Microbiology | 239 | 8.6K | 624 | 770 |
| 93 | energy development | 202 | 8.4K | 3 | 20 |
| 94 | Telecommunication | 308 | 8.3K | 96 | 170 |
| 95 | Pollution | 292 | 8.3K | 305 | 578 |
| 96 | nuclear power | 620 | 8.3K | 1 | 1 |
| 97 | Photonics | 316 | 8.0K | 57 | 132 |
| 98 | Systems Engineering | 289 | 7.9K | 20 | 37 |
| 99 | Measurement | 297 | 7.9K | 4 | 3 |
| 100 | Internet of Things | 241 | 7.6K | 17 | 18 |
| 101 | internet | 234 | 7.5K | 17 | 24 |
| 102 | Condensed Matter | 347 | 7.5K | 294 | 402 |
| 103 | Toxicology | 354 | 7.4K | 171 | 369 |
| 104 | Fracture mechanics | 404 | 7.4K | 7 | 25 |
| 105 | Cell death | 151 | 7.3K | 44 | 132 |
| 106 | Carbon | 169 | 7.2K | 26 | 54 |
| 107 | Ecology | 230 | 7.2K | 560 | 820 |
| 108 | Nanostructures | 203 | 7.2K | 22 | 102 |
| 109 | Technology | 427 | 7.2K | 79 | 185 |
| 110 | Fluid Dynamics | 320 | 7.1K | 4 | 10 |
| 111 | Environmental Health | 297 | 6.9K | 257 | 525 |
| 112 | Energy Storage | 174 | 6.7K | 12 | 28 |
| 113 | Neurochemistry | 261 | 6.4K | 93 | 213 |
| 114 | Public Health | 281 | 6.2K | 323 | 487 |
| 115 | Green Chemistry | 184 | 6.0K | 46 | 108 |
| 116 | Nutrition | 254 | 6.0K | 233 | 405 |
| 117 | Biosensors | 119 | 5.9K | 41 | 47 |
| 118 | Environmental Management | 189 | 5.8K | 73 | 155 |
| 119 | Immunology | 177 | 5.7K | 357 | 506 |
| 120 | energy resources | 103 | 5.7K | 38 | 68 |
| 121 | environmental pollution | 232 | 5.7K | 224 | 439 |
| 122 | Information Technology | 199 | 5.6K | 27 | 73 |
| 123 | Radio | 211 | 5.6K | 53 | 139 |
| 124 | Multimedia Systems | 257 | 5.5K | 21 | 26 |
| 125 | Fluid Mechanics | 365 | 5.5K | 13 | 54 |
| 126 | Brain | 240 | 5.5K | 168 | 310 |
| 127 | Immunotherapy | 247 | 5.4K | 36 | 181 |
| 128 | Industrial Engineering | 306 | 5.4K | 19 | 47 |
| 129 | Smart Materials | 200 | 5.2K | 11 | 19 |
| 130 | Solar Energy | 171 | 5.2K | 19 | 43 |
| 131 | environmental protection | 231 | 5.2K | 76 | 226 |
| 132 | Virology | 112 | 5.2K | 416 | 658 |
| 133 | Psychiatry | 99 | 5.1K | 637 | 579 |
| 134 | plasma spraying | 149 | 5.1K | 3 | 3 |
| 135 | computer networks | 226 | 5.1K | 65 | 121 |
| 136 | Electromagnetism | 345 | 5.0K | 5 | 12 |
| 137 | Water | 119 | 5.0K | 224 | 313 |
| 138 | Biomass Energy | 131 | 5.0K | 114 | 205 |
| 139 | Meteorology | 120 | 4.9K | 239 | 302 |
| 140 | Bioelectronics | 71 | 4.8K | 62 | 49 |
| 141 | Nonlinear Dynamics | 121 | 4.8K | 211 | 156 |
| 142 | Medical Oncology | 149 | 4.7K | 135 | 198 |
| 143 | Immunopharmacology | 219 | 4.7K | 19 | 17 |
| 144 | Sustainable Engineering | 151 | 4.7K | 35 | 79 |
| 145 | cytokines | 224 | 4.7K | 19 | 25 |
| 146 | Structural design | 172 | 4.7K | 4 | 14 |
| 147 | lasers | 314 | 4.6K | 35 | 94 |
| 148 | Economics | 303 | 4.5K | 236 | 392 |
| 149 | Intelligent Transportation Systems | 134 | 4.5K | 39 | 40 |
| 150 | Environmental monitoring | 188 | 4.5K | 163 | 373 |
| 151 | Evolutionary Computation | 33 | 4.4K | 44 | 36 |
| 152 | Atmospheric Physics | 81 | 4.4K | 253 | 216 |
| 153 | Environmental Policy | 139 | 4.4K | 194 | 354 |
| 154 | Energy Consumption | 81 | 4.4K | 9 | 9 |
| 155 | Economic History | 169 | 4.3K | 179 | 151 |
| 156 | Asia | 177 | 4.3K | 81 | 55 |
| 157 | Structural Engineering | 191 | 4.2K | 62 | 91 |
| 158 | Solitons | 135 | 4.2K | 8 | 10 |
| 158 | Fractals | 135 | 4.2K | 8 | 10 |
| 158 | Chaos | 135 | 4.2K | 8 | 10 |
| 161 | Geology | 85 | 4.2K | 554 | 362 |
| 162 | System analysis | 228 | 4.2K | 40 | 107 |
| 163 | Neurophysiology | 150 | 4.1K | 305 | 506 |
| 164 | free radicals | 95 | 4.1K | 69 | 125 |
| 165 | Bioinformatics | 138 | 4.1K | 119 | 254 |
| 166 | Pediatrics | 38 | 4.1K | 617 | 313 |
| 167 | Spectrum analysis | 238 | 4.1K | 364 | 724 |
| 168 | Plastics | 97 | 4.0K | 81 | 37 |
| 169 | Ultrasonics | 171 | 3.9K | 10 | 41 |
| 170 | Radiography | 58 | 3.9K | 109 | 97 |
| 171 | Process Control | 64 | 3.9K | 26 | 33 |
| 172 | multimedia | 117 | 3.8K | 20 | 25 |
| 172 | Interactive multimedia | 117 | 3.8K | 20 | 25 |
| 174 | Environmental Engineering | 138 | 3.6K | 279 | 503 |
| 175 | Semiconductors | 147 | 3.6K | 103 | 65 |
| 176 | Atmospheric Chemistry | 42 | 3.6K | 215 | 179 |
| 177 | Signal Transduction | 90 | 3.6K | 68 | 132 |
| 178 | finance | 179 | 3.6K | 66 | 176 |
| 179 | Business | 74 | 3.5K | 225 | 289 |
| 180 | Epidemiology | 166 | 3.5K | 303 | 447 |
| 181 | Computational Biology | 121 | 3.5K | 199 | 362 |
| 182 | Thermodynamics | 354 | 3.4K | 2 | 10 |
| 183 | Energy Harvesting | 41 | 3.4K | 53 | 54 |
| 184 | Solid State Chemistry | 112 | 3.4K | 217 | 158 |
| 185 | Radio waves | 156 | 3.4K | 40 | 97 |
| 186 | health planning | 210 | 3.3K | 22 | 65 |
| 187 | Oxidative stress | 56 | 3.3K | 28 | 34 |
| 188 | Industrial Safety | 107 | 3.3K | 25 | 37 |
| 189 | Astronomy | 78 | 3.3K | 708 | 712 |
| 190 | Medical genetics | 107 | 3.3K | 400 | 613 |
| 191 | Oxidation-reduction | 54 | 3.3K | 51 | 68 |
| 192 | Cell differentiation | 64 | 3.2K | 263 | 367 |
| 193 | Pharmaceutical Chemistry | 188 | 3.2K | 292 | 601 |
| 194 | Human genetics | 56 | 3.2K | 485 | 978 |
| 195 | Computer Vision | 123 | 3.2K | 36 | 156 |
| 196 | Communication | 63 | 3.2K | 279 | 207 |
| 197 | Nervous system | 155 | 3.1K | 167 | 410 |
| 198 | Medical Physics | 110 | 3.1K | 199 | 247 |
| 199 | Clinical Chemistry | 141 | 3.1K | 225 | 391 |
| 200 | mathematical analysis | 201 | 3.1K | 88 | 93 |
| 201 | Organic Chemistry | 147 | 3.1K | 286 | 414 |
| 202 | Earth Sciences | 118 | 3.1K | 322 | 427 |
| 203 | Business Ethics | 42 | 3.0K | 68 | 74 |
| 204 | Boundary Value Problems | 157 | 3.0K | 9 | 12 |
| 205 | International Finance | 141 | 3.0K | 29 | 81 |
| 206 | human behavior | 56 | 3.0K | 415 | 465 |
| 207 | Antenna Arrays | 150 | 3.0K | 8 | 12 |
| 208 | Behavior | 73 | 3.0K | 523 | 570 |
| 209 | Swarm Intelligence | 12 | 3.0K | 61 | 7 |
| 210 | Planets | 51 | 3.0K | 390 | 326 |
| 211 | Bioorganic chemistry | 129 | 2.9K | 214 | 362 |
| 212 | Detectors | 202 | 2.9K | 21 | 33 |
| 213 | plasticity | 54 | 2.9K | 17 | 33 |
| 214 | Liver diseases | 91 | 2.9K | 144 | 340 |
| 215 | economic policy | 115 | 2.9K | 131 | 112 |
| 216 | Endocrinology | 86 | 2.9K | 499 | 700 |
| 217 | Mental illness | 40 | 2.9K | 431 | 357 |
| 218 | Computer Graphics | 150 | 2.8K | 94 | 181 |
| 219 | Medicinal plants | 59 | 2.8K | 115 | 97 |
| 220 | Mental Disorders | 40 | 2.8K | 682 | 555 |
| 221 | marketing | 66 | 2.8K | 237 | 291 |
| 222 | Multiphase Flow | 97 | 2.7K | 3 | 13 |
| 223 | Pharmacognosy | 55 | 2.7K | 230 | 171 |
| 224 | Genetics | 133 | 2.7K | 421 | 935 |
| 225 | Chromatographic analysis | 176 | 2.7K | 35 | 68 |
| 226 | genome | 58 | 2.7K | 198 | 367 |
| 227 | biopolymers | 75 | 2.6K | 110 | 110 |
| 228 | Climatology | 70 | 2.6K | 258 | 304 |
| 229 | Pathology | 66 | 2.6K | 405 | 429 |
| 230 | Genetic engineering | 122 | 2.5K | 106 | 306 |
| 231 | Metabolism | 101 | 2.5K | 385 | 682 |
| 232 | cell physiology | 83 | 2.5K | 156 | 290 |
| 233 | Electrophoresis | 146 | 2.5K | 30 | 98 |
| 234 | Ultrasound | 124 | 2.5K | 20 | 37 |
| 235 | Soft Condensed Matter | 76 | 2.5K | 94 | 102 |
| 236 | Chromatography | 136 | 2.4K | 35 | 70 |
| 237 | Immunity | 46 | 2.4K | 444 | 626 |
| 238 | Oncogenes | 42 | 2.3K | 243 | 319 |
| 239 | Robotics | 101 | 2.3K | 113 | 174 |
| 239 | Ferroelectricity | 271 | 2.3K | 7 | 42 |
| 241 | Geochemistry | 58 | 2.3K | 440 | 430 |
| 242 | Neurons | 7 | 2.2K | 411 | 328 |
| 243 | Metallography | 85 | 2.2K | 18 | 20 |
| 244 | Light | 5 | 2.2K | 742 | 247 |
| 245 | machinery | 91 | 2.2K | 13 | 15 |
| 246 | Nondestructive testing | 114 | 2.2K | 6 | 16 |
| 247 | Social Sciences | 127 | 2.2K | 246 | 322 |
| 248 | Ocean Engineering | 127 | 2.2K | 121 | 231 |
| 249 | Diabetes | 58 | 2.2K | 385 | 503 |
| 250 | Microwaves | 183 | 2.1K | 57 | 152 |
| 251 | Fuzzy systems | 79 | 2.1K | 62 | 39 |
| 252 | Sociology | 113 | 2.1K | 281 | 406 |
| 253 | Physical Chemistry | 57 | 2.1K | 382 | 410 |
| 254 | Freezing | 112 | 2.1K | 6 | 5 |
| 255 | Sustainable Development | 59 | 2.1K | 139 | 224 |
| 256 | Plasma chemistry | 95 | 2.1K | 4 | 12 |
| 257 | Medical Microbiology | 31 | 2.1K | 672 | 522 |
| 258 | Inflammation | 53 | 2.0K | 59 | 102 |
| 259 | soil microbiology | 11 | 2.0K | 733 | 323 |
| 260 | Diabetes mellitus | 46 | 2.0K | 406 | 497 |
| 261 | Parallel Processing | 35 | 2.0K | 63 | 46 |
| 262 | Obstetrics | 66 | 2.0K | 420 | 390 |
| 263 | Plasma devices | 71 | 2.0K | 12 | 26 |
| 264 | Neuropsychology | 95 | 2.0K | 239 | 401 |
| 265 | Psychology | 120 | 2.0K | 599 | 857 |
| 266 | Water pollution | 54 | 2.0K | 527 | 587 |
| 267 | Technological Innovations | 76 | 2.0K | 14 | 36 |
| 268 | micromechanics | 94 | 1.9K | 17 | 41 |
| 269 | sanitation | 44 | 1.9K | 334 | 476 |
| 270 | Nonlinear functional analysis | 88 | 1.9K | 22 | 17 |
| 271 | United States | 100 | 1.9K | 679 | 849 |
| 272 | Clinical Pharmacology | 119 | 1.9K | 55 | 145 |
| 273 | Computer-Aided Design | 53 | 1.9K | 110 | 98 |
| 274 | atmosphere | 36 | 1.9K | 88 | 49 |
| 275 | Developing countries | 57 | 1.9K | 295 | 278 |
| 276 | Tourism | 35 | 1.9K | 273 | 268 |
| 277 | Engineering Mathematics | 193 | 1.9K | 31 | 133 |
| 278 | supercritical fluids | 90 | 1.9K | 7 | 22 |
| 279 | Nanobiotechnology | 43 | 1.8K | 27 | 35 |
| 280 | Environmental pollutants | 109 | 1.8K | 114 | 318 |
| 281 | Recombinant DNA | 92 | 1.8K | 61 | 185 |
| 282 | Genomics | 114 | 1.8K | 315 | 660 |
| 283 | Medical Laboratory Science | 40 | 1.8K | 435 | 454 |
| 284 | Environmental Toxicology | 105 | 1.7K | 133 | 462 |
| 285 | Environmental Microbiology | 12 | 1.7K | 615 | 292 |
| 286 | Diagnostic Imaging | 93 | 1.7K | 173 | 352 |
| 287 | Microorganisms | 9 | 1.7K | 548 | 215 |
| 288 | Orthopedics | 128 | 1.7K | 108 | 260 |
| 289 | Combinatorial chemistry | 33 | 1.7K | 126 | 134 |
| 290 | Cardiovascular system | 45 | 1.7K | 366 | 550 |
| 291 | Control Theory | 124 | 1.7K | 122 | 244 |
| 292 | Mathematical Physics | 113 | 1.7K | 324 | 443 |
| 293 | Systems Biology | 66 | 1.6K | 133 | 166 |
| 294 | Drug delivery systems | 57 | 1.6K | 143 | 284 |
| 294 | particles | 96 | 1.6K | 15 | 31 |
| 296 | biocatalysis | 3 | 1.6K | 187 | 92 |
| 296 | Homogeneous catalysis | 3 | 1.6K | 187 | 92 |
| 296 | Heterogeneous catalysis | 3 | 1.6K | 187 | 92 |
| 299 | Mobile Computing | 85 | 1.6K | 56 | 121 |
| 300 | Human-Computer Interaction | 49 | 1.6K | 137 | 144 |
| 301 | Software Engineering | 33 | 1.6K | 184 | 146 |
| 302 | Food | 84 | 1.6K | 337 | 623 |
| 303 | Metabolic diseases | 47 | 1.6K | 521 | 772 |
| 303 | Mineral resources | 37 | 1.6K | 24 | 22 |
| 305 | Social Change | 31 | 1.6K | 99 | 134 |
| 306 | Mechanics | 96 | 1.6K | 38 | 80 |
| 307 | Cell cycle | 33 | 1.6K | 24 | 16 |
| 307 | cell proliferation | 33 | 1.6K | 27 | 17 |
| 309 | Building Materials | 64 | 1.6K | 229 | 404 |
| 309 | Europe | 55 | 1.6K | 580 | 457 |
| 311 | Molecular cloning | 82 | 1.6K | 57 | 186 |
| 312 | environmental exposure | 94 | 1.5K | 88 | 253 |
| 313 | Genetic recombination | 80 | 1.5K | 55 | 190 |
| 314 | Membranes | 47 | 1.5K | 332 | 451 |
| 315 | Mechatronics | 73 | 1.5K | 41 | 88 |
| 315 | Biomechanics | 58 | 1.5K | 188 | 257 |
| 317 | Orthopedic Surgery | 116 | 1.5K | 15 | 63 |
| 318 | Sound | 82 | 1.5K | 57 | 133 |
| 319 | Dynamics | 98 | 1.5K | 45 | 79 |
| 320 | Herbal medicine | 60 | 1.5K | 35 | 53 |
| 321 | Sonochemistry | 47 | 1.4K | 25 | 58 |
| 322 | Genetic algorithms | 20 | 1.4K | 59 | 93 |
| 323 | Economic Development | 24 | 1.4K | 413 | 328 |
| 323 | Obesity | 51 | 1.4K | 365 | 512 |
| 325 | Thermochemistry | 82 | 1.4K | 17 | 36 |
| 326 | Earthquake Engineering | 66 | 1.4K | 204 | 285 |
| 326 | Diet | 68 | 1.4K | 291 | 579 |
| 328 | impact | 36 | 1.4K | 39 | 44 |
| 329 | Cytogenetics | 26 | 1.4K | 410 | 477 |
| 330 | Quality of life | 50 | 1.4K | 154 | 255 |
| 331 | Reproduction | 44 | 1.4K | 519 | 519 |
| 332 | Chemical analysis | 39 | 1.4K | 106 | 100 |
| 332 | cell interaction | 65 | 1.4K | 42 | 145 |
| 332 | rehabilitation | 49 | 1.4K | 368 | 437 |
| 335 | Hypertension | 65 | 1.3K | 259 | 611 |
| 336 | Engineering Geology | 69 | 1.3K | 156 | 243 |
| 337 | commerce | 83 | 1.3K | 60 | 272 |
| 338 | Nanochemistry | 100 | 1.3K | 13 | 45 |
| 339 | Ultrasonic Imaging | 75 | 1.3K | 4 | 18 |
| 340 | Paleoclimatology | 74 | 1.3K | 87 | 246 |
| 341 | Geriatrics | 88 | 1.3K | 393 | 626 |
| 342 | Developmental Biology | 35 | 1.3K | 518 | 695 |
| 343 | Simulation Methods | 42 | 1.2K | 39 | 21 |
| 344 | Bacterial infections | 8 | 1.2K | 445 | 260 |
| 345 | Capital market | 34 | 1.2K | 31 | 27 |
| 346 | Socioeconomic Factors | 32 | 1.2K | 86 | 69 |
| 347 | Radio frequency | 49 | 1.2K | 42 | 62 |
| 348 | Entropy | 69 | 1.2K | 24 | 24 |
| 349 | Biogeochemistry | 18 | 1.2K | 407 | 358 |
| 350 | Ventilation | 85 | 1.2K | 10 | 53 |
| 350 | Aging | 84 | 1.2K | 391 | 682 |
| 352 | Computational Fluid Dynamics | 74 | 1.2K | 10 | 36 |
| 353 | Molecular Spectroscopy | 66 | 1.2K | 154 | 219 |
| 354 | Calorimetry | 51 | 1.2K | 87 | 66 |
| 354 | Thermal analysis | 51 | 1.2K | 87 | 66 |
| 356 | Cosmochemistry | 23 | 1.2K | 226 | 173 |
| 357 | nucleic acids | 25 | 1.2K | 607 | 740 |
| 357 | reasoning | 19 | 1.2K | 38 | 17 |
| 359 | Plasma polymerization | 54 | 1.2K | 6 | 18 |
| 360 | Psychophysiology | 41 | 1.2K | 748 | 951 |
| 361 | Host-parasite interactions | 5 | 1.2K | 981 | 508 |
| 362 | Electromagnetic compatibility | 93 | 1.1K | 5 | 26 |
| 363 | Nanoelectronics | 60 | 1.1K | 80 | 58 |
| 364 | solar cells | 52 | 1.1K | 58 | 170 |
| 365 | concrete | 12 | 1.1K | 413 | 283 |
| 366 | mycoses | 3 | 1.1K | 834 | 274 |
| 367 | Atomic spectroscopy | 88 | 1.1K | 49 | 149 |
| 367 | Digestive system diseases | 50 | 1.1K | 128 | 166 |
| 369 | Drug design | 56 | 1.1K | 117 | 286 |
| 370 | solar power | 50 | 1.1K | 41 | 140 |
| 370 | biological factors | 43 | 1.1K | 286 | 378 |
| 372 | Surface-Active Agents | 37 | 1.1K | 108 | 159 |
| 372 | Surface properties | 38 | 1.1K | 115 | 179 |
| 374 | Rock Mechanics | 50 | 1.1K | 131 | 187 |
| 375 | Data Mining | 58 | 1.1K | 112 | 368 |
| 376 | Computer Science | 104 | 1.1K | 60 | 192 |
| 377 | Health Information Management | 13 | 1.1K | 45 | 97 |
| 378 | biological evolution | 15 | 1.1K | 870 | 745 |
| 379 | Cardiovascular diseases | 73 | 1.1K | 209 | 382 |
| 380 | Neurobiology | 42 | 1.1K | 422 | 700 |
| 381 | Australia | 52 | 1.1K | 246 | 244 |
| 382 | Organic Geochemistry | 16 | 1.1K | 116 | 95 |
| 383 | Primary health care | 42 | 1.1K | 320 | 301 |
| 384 | Immune system | 33 | 1.1K | 210 | 533 |
| 385 | Lipids | 41 | 1.1K | 197 | 365 |
| 386 | Superconductors | 84 | 1.1K | 123 | 150 |
| 386 | Immunochemistry | 47 | 1.1K | 81 | 128 |
| 388 | Soil Mechanics | 48 | 1.0K | 193 | 277 |
| 388 | Jurisprudence | 56 | 1.0K | 70 | 101 |
| 390 | Chemical industry | 103 | 1.0K | 74 | 125 |
| 391 | Industrial Microbiology | 29 | 1.0K | 445 | 553 |
| 392 | Development | 7 | 1.0K | 472 | 183 |
| 393 | Ophthalmology | 58 | 1.0K | 341 | 529 |
| 393 | toxicity testing | 58 | 1.0K | 30 | 81 |
| 395 | Quantum electronics | 93 | 1.0K | 168 | 316 |
| 396 | Hydrology | 39 | 992 | 576 | 668 |
| 397 | Hematology | 54 | 990 | 766 | 1047 |
| 398 | Population | 25 | 978 | 171 | 160 |
| 399 | Histology | 45 | 967 | 353 | 549 |
| 400 | Health Services Research | 47 | 963 | 278 | 360 |
| 400 | Radiation | 69 | 963 | 245 | 394 |
| 400 | Microwave devices | 61 | 963 | 39 | 65 |
| 403 | Optical Communications | 62 | 961 | 56 | 90 |
| 404 | Alzheimer's disease | 20 | 956 | 572 | 325 |
| 405 | indoor air pollution | 58 | 955 | 11 | 53 |
| 405 | Sick building syndrome | 58 | 955 | 11 | 53 |
| 405 | Evolution | 9 | 955 | 1068 | 675 |
| 408 | Genetic therapy | 43 | 949 | 170 | 328 |
| 409 | microwave communication systems | 59 | 937 | 24 | 54 |
| 410 | econometric models | 29 | 934 | 35 | 39 |
| 411 | Pharmacy | 46 | 931 | 405 | 557 |
| 412 | Nuclear Fusion | 82 | 928 | 101 | 152 |
| 413 | Tissue Engineering | 21 | 926 | 39 | 43 |
| 414 | Land use | 24 | 922 | 215 | 191 |
| 415 | Medical innovations | 21 | 921 | 248 | 516 |
| 416 | Adaptive control systems | 16 | 904 | 143 | 27 |
| 417 | Functional Analysis | 64 | 892 | 115 | 182 |
| 418 | Therapeutics | 29 | 891 | 456 | 588 |
| 419 | health services accessibility | 27 | 883 | 209 | 158 |
| 420 | Finite Element Method | 18 | 879 | 35 | 15 |
| 421 | Environmental Law | 27 | 877 | 230 | 445 |
| 422 | Respiration | 38 | 871 | 333 | 472 |
| 423 | Porous materials | 52 | 863 | 28 | 55 |
| 424 | Surgery | 37 | 859 | 453 | 877 |
| 425 | Cement | 1 | 854 | 946 | 217 |
| 426 | Transportation | 33 | 852 | 409 | 457 |
| 427 | Electromagnetic fields | 157 | 851 | 2 | 1 |
| 428 | big data | 18 | 837 | 68 | 40 |
| 429 | drug development | 20 | 834 | 265 | 498 |
| 430 | Telecommunication Systems | 93 | 829 | 61 | 225 |
| 431 | Statistics | 84 | 828 | 401 | 675 |
| 432 | Luminescence | 59 | 826 | 80 | 136 |
| 432 | carcinogens | 30 | 826 | 176 | 292 |
| 434 | Antioxidants | 16 | 822 | 216 | 289 |
| 435 | Paleoecology | 61 | 819 | 105 | 314 |
| 435 | Paleogeography | 61 | 819 | 76 | 291 |
| 437 | Logistics | 31 | 818 | 43 | 107 |
| 438 | Materials Engineering | 68 | 817 | 9 | 27 |
| 439 | Medical Technology | 52 | 812 | 152 | 356 |
| 440 | Visual Communication | 42 | 806 | 14 | 24 |
| 440 | Image enhancement | 42 | 806 | 13 | 23 |
| 442 | economic analysis | 38 | 789 | 6 | 12 |
| 443 | Dementia | 19 | 788 | 577 | 311 |
| 444 | Physical organic chemistry | 32 | 773 | 268 | 303 |
| 445 | Gastrointestinal diseases | 50 | 770 | 15 | 58 |
| 446 | environmental indicators | 29 | 768 | 148 | 278 |
| 447 | Combinatorial optimization | 81 | 765 | 4 | 7 |
| 448 | fusion reactors | 70 | 760 | 63 | 65 |
| 449 | pollutants | 45 | 758 | 265 | 611 |
| 450 | Humanities | 77 | 748 | 39 | 114 |
| 450 | Agricultural Chemistry | 34 | 748 | 551 | 746 |
| 452 | Intelligent Control Systems | 53 | 737 | 60 | 76 |
| 453 | Proteomics | 35 | 736 | 163 | 368 |
| 454 | Industrial Design | 38 | 733 | 6 | 26 |
| 455 | Climate change | 10 | 732 | 544 | 758 |
| 456 | arthritis | 28 | 722 | 340 | 567 |
| 457 | drug evaluation | 34 | 709 | 198 | 271 |
| 458 | Schizophrenia | 20 | 707 | 378 | 428 |
| 459 | Hydrogeology | 16 | 706 | 173 | 104 |
| 459 | Geothermal Energy | 16 | 706 | 45 | 28 |
| 461 | Health Policy | 46 | 704 | 413 | 648 |
| 462 | medical education | 14 | 698 | 752 | 442 |
| 463 | Parasitology | 37 | 696 | 535 | 660 |
| 463 | city planning | 29 | 696 | 362 | 385 |
| 465 | Urology | 32 | 693 | 522 | 699 |
| 465 | Metallic Glasses | 37 | 693 | 42 | 95 |
| 467 | Imaging systems | 49 | 687 | 30 | 53 |
| 468 | Stem cells | 40 | 684 | 324 | 643 |
| 469 | Photochemistry | 23 | 680 | 444 | 462 |
| 470 | Photobiology | 22 | 678 | 269 | 280 |
| 471 | Crystal growth | 28 | 676 | 196 | 246 |
| 472 | Product Design | 55 | 666 | 56 | 75 |
| 473 | food technology | 37 | 665 | 594 | 907 |
| 474 | Information Theory | 37 | 663 | 294 | 421 |
| 475 | Differential Equations | 42 | 661 | 131 | 182 |
| 476 | Pharmacogenetics | 20 | 658 | 282 | 330 |
| 477 | Biometrics | 24 | 656 | 315 | 314 |
| 478 | Electrochemical Analysis | 23 | 655 | 457 | 417 |
| 479 | Astrophysics | 50 | 654 | 1020 | 1422 |
| 480 | Friction | 27 | 651 | 5 | 10 |
| 480 | Hazardous waste | 23 | 651 | 152 | 347 |
| 482 | Petroleum Engineering | 34 | 649 | 161 | 194 |
| 482 | Cognitive Science | 39 | 649 | 248 | 545 |
| 484 | Microbial Ecology | 16 | 647 | 971 | 1147 |
| 485 | Database Management | 24 | 638 | 204 | 237 |
| 485 | Meteorites | 18 | 638 | 387 | 490 |
| 487 | Aerosols | 26 | 627 | 135 | 163 |
| 488 | Hormones | 31 | 625 | 301 | 505 |
| 489 | Quantum Gravity | 46 | 621 | 694 | 920 |
| 490 | Eastern Europe | 58 | 620 | 30 | 40 |
| 491 | vascular diseases | 18 | 618 | 223 | 301 |
| 492 | Investment analysis | 59 | 617 | 27 | 152 |
| 492 | gastrointestinal tract | 10 | 617 | 109 | 97 |
| 494 | radioactive waste | 19 | 615 | 143 | 341 |
| 494 | industrial waste | 19 | 615 | 154 | 343 |
| 496 | Electrophysiology | 27 | 611 | 269 | 268 |
| 497 | Information Systems | 42 | 609 | 140 | 357 |
| 497 | Respiratory system | 24 | 609 | 120 | 163 |
| 499 | Medical Anthropology | 24 | 608 | 320 | 528 |
| 500 | Thin Films | 26 | 606 | 50 | 49 |
| 501 | Analytical Biochemistry | 45 | 604 | 237 | 554 |
| 502 | Environmental Geology | 37 | 603 | 210 | 469 |
| 503 | Cellular senescence | 8 | 601 | 78 | 108 |
| 504 | Education | 26 | 600 | 1072 | 922 |
| 504 | Semiconductor industry | 33 | 600 | 106 | 98 |
| 506 | structural stability | 27 | 596 | 35 | 90 |
| 507 | Pregnancy | 30 | 595 | 135 | 192 |
| 508 | Egypt | 27 | 591 | 58 | 75 |
| 509 | Critical Care | 17 | 590 | 625 | 865 |
| 510 | Entrepreneurship | 14 | 588 | 287 | 433 |
| 511 | Biodiversity conservation | 10 | 584 | 873 | 997 |
| 512 | Eutrophication | 6 | 582 | 696 | 835 |
| 513 | Critical Care Medicine | 15 | 581 | 668 | 873 |
| 513 | Corporate Social Responsibility | 20 | 581 | 7 | 47 |
| 513 | environmental auditing | 20 | 581 | 7 | 47 |
| 516 | Clinical Biochemistry | 18 | 578 | 397 | 395 |
| 517 | Pharmaceutical Technology | 26 | 574 | 372 | 537 |
| 517 | Vaccines | 36 | 574 | 449 | 719 |
| 519 | Bifurcation Theory | 12 | 573 | 44 | 27 |
| 520 | pain | 27 | 569 | 362 | 587 |
| 521 | proteins | 41 | 568 | 439 | 804 |
| 522 | Geomorphology | 29 | 560 | 339 | 581 |
| 523 | Structural optimization | 25 | 558 | 45 | 96 |
| 524 | Structural health monitoring | 25 | 545 | 12 | 38 |
| 524 | Genes | 25 | 545 | 248 | 310 |
| 526 | viruses | 13 | 542 | 690 | 815 |
| 527 | Integrated Circuits | 63 | 539 | 39 | 51 |
| 528 | Vocational guidance | 8 | 534 | 480 | 355 |
| 529 | extraterrestrial environment | 40 | 533 | 67 | 96 |
| 529 | astronomical phenomena | 40 | 533 | 63 | 88 |
| 531 | gene therapy | 33 | 532 | 197 | 529 |
| 532 | Alternative Medicine | 28 | 529 | 266 | 387 |
| 533 | infrared radiation | 43 | 527 | 38 | 57 |
| 534 | pigments | 41 | 524 | 97 | 209 |
| 535 | water supply | 12 | 523 | 412 | 407 |
| 536 | Systems Analysis | 38 | 522 | 124 | 231 |
| 536 | Strategic planning | 24 | 522 | 90 | 205 |
| 536 | biochemical markers | 44 | 522 | 20 | 74 |
| 539 | Computational Intelligence | 37 | 521 | 51 | 96 |
| 540 | air quality management | 28 | 520 | 37 | 129 |
| 541 | Population Genetics | 12 | 519 | 563 | 570 |
| 542 | Substance Abuse | 13 | 511 | 659 | 510 |
| 542 | Cell metabolism | 14 | 511 | 217 | 607 |
| 544 | Enteral nutrition | 18 | 509 | 250 | 363 |
| 544 | Parenteral nutrition | 18 | 509 | 341 | 461 |
| 546 | Spine | 24 | 508 | 196 | 330 |
| 547 | electric vehicles | 50 | 507 | 25 | 75 |
| 548 | gene mapping | 57 | 505 | 282 | 1054 |
| 549 | Quantum Optics | 62 | 504 | 57 | 208 |
| 549 | Laser Spectroscopy | 62 | 504 | 48 | 195 |
| 551 | Chromosome mapping | 55 | 498 | 247 | 895 |
| 552 | Biomass | 36 | 490 | 39 | 226 |
| 553 | Gerontology | 50 | 487 | 350 | 620 |
| 554 | Computer Engineering | 33 | 486 | 88 | 128 |
| 554 | software | 19 | 486 | 243 | 369 |
| 556 | Soil Science | 27 | 484 | 505 | 797 |
| 557 | innovation | 14 | 483 | 162 | 350 |
| 558 | Psychopharmacology | 21 | 482 | 546 | 845 |
| 558 | Child | 20 | 482 | 895 | 895 |
| 560 | Systems Theory | 15 | 479 | 60 | 13 |
| 561 | Hemodynamics | 14 | 478 | 268 | 360 |
| 562 | Public Administration | 16 | 470 | 503 | 380 |
| 562 | complementary therapies | 25 | 470 | 331 | 452 |
| 562 | Molecules | 51 | 470 | 250 | 507 |
| 565 | Memory | 15 | 467 | 807 | 850 |
| 566 | Small Business | 13 | 460 | 242 | 450 |
| 567 | Food Microbiology | 16 | 456 | 432 | 656 |
| 567 | Thrombosis | 24 | 456 | 326 | 504 |
| 567 | Microstructure | 40 | 456 | 43 | 79 |
| 570 | Radiobiology | 14 | 454 | 685 | 704 |
| 571 | Carcinogenesis | 20 | 451 | 284 | 490 |
| 572 | Decision making | 42 | 450 | 199 | 501 |
| 573 | Organometallic chemistry | 34 | 449 | 410 | 557 |
| 574 | Andrology | 21 | 441 | 133 | 180 |
| 575 | Molecular structure | 45 | 439 | 388 | 1000 |
| 575 | drugs | 37 | 439 | 452 | 880 |
| 577 | Women's health | 27 | 438 | 261 | 380 |
| 578 | Granular materials | 30 | 437 | 54 | 127 |
| 579 | Oral Medicine | 43 | 436 | 47 | 92 |
| 580 | Perception | 12 | 435 | 945 | 878 |
| 581 | Genetic regulation | 33 | 431 | 213 | 701 |
| 582 | Histocompatibility Testing | 23 | 428 | 74 | 123 |
| 583 | Global Health | 24 | 425 | 238 | 254 |
| 583 | sustainability | 23 | 425 | 154 | 447 |
| 583 | bioluminescence | 28 | 425 | 18 | 20 |
| 583 | Iron | 21 | 425 | 84 | 85 |
| 587 | Health | 34 | 424 | 474 | 881 |
| 588 | Drug targeting | 14 | 423 | 50 | 91 |
| 589 | Homeostasis | 8 | 422 | 235 | 637 |
| 589 | Visual Perception | 11 | 422 | 854 | 769 |
| 589 | Attention | 11 | 422 | 899 | 812 |
| 592 | Transnational corporations | 23 | 415 | 17 | 53 |
| 593 | Social Psychology | 29 | 410 | 585 | 992 |
| 594 | catalytic activity | 9 | 408 | 316 | 262 |
| 595 | clay | 16 | 407 | 186 | 335 |
| 596 | Fiber Optics | 35 | 402 | 217 | 390 |
| 597 | Geomagnetism | 8 | 401 | 367 | 265 |
| 598 | Protozoa | 15 | 399 | 106 | 158 |
| 599 | Dermatology | 47 | 397 | 376 | 827 |
| 599 | Drying | 21 | 397 | 60 | 102 |
| 601 | Gene expression | 26 | 389 | 34 | 101 |
| 601 | Adolescent | 17 | 389 | 786 | 857 |
| 603 | Technology Assessment | 9 | 384 | 92 | 125 |
| 604 | poverty | 9 | 383 | 130 | 89 |
| 605 | Botany | 25 | 382 | 1482 | 2153 |
| 605 | brain mapping | 18 | 382 | 208 | 408 |
| 607 | Biomarkers | 35 | 380 | 15 | 59 |
| 608 | Tunneling | 10 | 378 | 150 | 171 |
| 608 | underground construction | 10 | 378 | 150 | 171 |
| 610 | Clinical Immunology | 16 | 377 | 446 | 586 |
| 610 | X-rays | 43 | 377 | 45 | 119 |
| 612 | Algorithms | 32 | 373 | 45 | 140 |
| 612 | Soil biology | 2 | 373 | 1083 | 612 |
| 614 | research and development | 7 | 368 | 156 | 140 |
| 615 | Astrocytes | 5 | 364 | 353 | 331 |
| 616 | healthcare disparities | 8 | 361 | 246 | 142 |
| 616 | histological techniques | 12 | 361 | 287 | 411 |
| 618 | Paleontology | 10 | 360 | 719 | 505 |
| 619 | mutagens | 10 | 354 | 408 | 535 |
| 620 | Chemical processes | 28 | 353 | 84 | 188 |
| 621 | Neuroplasticity | 17 | 352 | 20 | 59 |
| 622 | Urban Policy | 11 | 351 | 321 | 303 |
| 623 | Cell communication | 20 | 349 | 72 | 296 |
| 624 | Nonlinear mechanics | 24 | 348 | 46 | 100 |
| 625 | Information Retrieval | 16 | 347 | 115 | 206 |
| 626 | Tropical Medicine | 27 | 346 | 432 | 671 |
| 627 | Nanophotonics | 16 | 342 | 73 | 140 |
| 628 | natural products | 31 | 340 | 381 | 709 |
| 629 | Genetic testing | 33 | 338 | 6 | 19 |
| 630 | Antibacterial agents | 14 | 337 | 197 | 340 |
| 631 | Export Marketing | 4 | 336 | 141 | 106 |
| 632 | Quality Control | 31 | 335 | 296 | 738 |
| 633 | Bones | 17 | 334 | 269 | 514 |
| 634 | Molecular Pharmacology | 11 | 330 | 331 | 486 |
| 634 | drug therapy | 27 | 330 | 750 | 1295 |
| 636 | behavioral medicine | 11 | 328 | 597 | 776 |
| 636 | Radio wave propagation | 32 | 328 | 129 | 206 |
| 638 | Transplantation | 17 | 326 | 455 | 757 |
| 639 | ovary | 13 | 321 | 36 | 34 |
| 639 | carbon monoxide | 13 | 321 | 57 | 147 |
| 641 | Computational Complexity | 38 | 320 | 70 | 182 |
| 641 | Oxidation | 15 | 320 | 45 | 49 |
| 643 | biofuels | 5 | 319 | 191 | 211 |
| 643 | Microscopy | 33 | 319 | 231 | 546 |
| 645 | Project Management | 5 | 316 | 167 | 220 |
| 646 | Japan | 26 | 315 | 476 | 636 |
| 647 | Cheminformatics | 6 | 310 | 169 | 220 |
| 648 | Bioenergetics | 20 | 308 | 215 | 468 |
| 648 | natural gas | 17 | 308 | 115 | 177 |
| 650 | East Asia | 28 | 306 | 67 | 81 |
| 651 | Gene expression regulation | 25 | 303 | 219 | 602 |
| 652 | Electronic Packaging | 8 | 302 | 139 | 87 |
| 653 | Informatics | 9 | 301 | 435 | 437 |
| 654 | DNS | 16 | 299 | 99 | 196 |
| 655 | Sleep Disorders | 21 | 297 | 540 | 807 |
| 656 | Radiology | 23 | 296 | 475 | 613 |
| 657 | Mining Engineering | 5 | 293 | 429 | 248 |
| 657 | Neuropharmacology | 10 | 293 | 271 | 298 |
| 657 | Sleep | 23 | 293 | 516 | 826 |
| 660 | Histochemistry | 24 | 291 | 249 | 491 |
| 661 | Immunopathology | 22 | 290 | 439 | 808 |
| 662 | Biodiversity | 18 | 289 | 766 | 1285 |
| 663 | Electrocardiography | 7 | 287 | 200 | 92 |
| 664 | Organometallic compounds | 14 | 286 | 521 | 593 |
| 665 | Molecular Genetics | 10 | 285 | 1012 | 1229 |
| 666 | Mineralogy | 25 | 284 | 454 | 716 |
| 666 | Green Technology | 21 | 284 | 33 | 76 |
| 666 | Money | 17 | 284 | 20 | 135 |
| 669 | transport vesicles | 6 | 283 | 113 | 342 |
| 670 | DNA | 15 | 282 | 141 | 208 |
| 671 | Bioremediation | 6 | 279 | 498 | 382 |
| 672 | Public Policy | 21 | 277 | 530 | 911 |
| 672 | Cognitive neuroscience | 16 | 277 | 392 | 675 |
| 674 | Oceanography | 11 | 276 | 945 | 1051 |
| 675 | Combinatorial analysis | 21 | 275 | 288 | 251 |
| 676 | human development | 15 | 274 | 281 | 449 |
| 677 | Databases | 7 | 272 | 242 | 203 |
| 677 | Radiochemistry | 23 | 272 | 274 | 327 |
| 679 | Financial Institutions | 13 | 269 | 74 | 144 |
| 679 | personality | 12 | 269 | 687 | 922 |
| 681 | Nursing | 24 | 267 | 529 | 674 |
| 681 | Educational Technology | 16 | 267 | 514 | 713 |
| 683 | Lightweight concrete | 7 | 262 | 235 | 375 |
| 683 | Securities | 20 | 262 | 17 | 131 |
| 683 | mathematical concepts | 22 | 262 | 52 | 90 |
| 686 | population policy | 8 | 261 | 63 | 50 |
| 687 | nuclear magnetic resonance | 18 | 260 | 423 | 552 |
| 688 | Recycling | 12 | 259 | 204 | 554 |
| 689 | Forecasting | 15 | 258 | 113 | 227 |
| 689 | Air Conditioning | 27 | 258 | 19 | 43 |
| 689 | Happiness | 8 | 258 | 139 | 177 |
| 692 | Regional Planning | 13 | 257 | 667 | 773 |
| 693 | visualization | 41 | 256 | 290 | 485 |
| 694 | Higher Education | 7 | 255 | 336 | 231 |
| 695 | Reproductive health | 9 | 253 | 393 | 400 |
| 695 | Integrative Medicine | 31 | 253 | 38 | 55 |
| 697 | Neuropsychiatry | 10 | 249 | 418 | 489 |
| 697 | Neuroimmunology | 9 | 249 | 342 | 563 |
| 697 | Catalysts | 19 | 249 | 138 | 307 |
| 700 | calcification | 10 | 248 | 254 | 326 |
| 701 | Nuclear Chemistry | 20 | 247 | 360 | 416 |
| 701 | optical devices | 20 | 247 | 74 | 158 |
| 703 | Nonlinear systems | 15 | 245 | 169 | 249 |
| 703 | Plants | 14 | 245 | 962 | 1405 |
| 705 | Geography | 16 | 244 | 815 | 1198 |
| 705 | Food additives | 9 | 244 | 631 | 806 |
| 707 | heating | 25 | 243 | 20 | 43 |
| 708 | stocks | 15 | 242 | 6 | 49 |
| 709 | older people | 27 | 241 | 431 | 630 |
| 710 | Greenhouse gases | 11 | 238 | 122 | 238 |
| 711 | Osteoporosis | 6 | 236 | 188 | 149 |
| 711 | Economic Assistance | 5 | 236 | 507 | 499 |
| 713 | Development Economics | 5 | 235 | 281 | 191 |
| 713 | Number Theory | 38 | 235 | 89 | 130 |
| 713 | Magnetic Resonance Spectroscopy | 11 | 235 | 608 | 603 |
| 713 | Steroids | 9 | 235 | 554 | 595 |
| 717 | hydrocolloids | 7 | 232 | 389 | 552 |
| 718 | Developmental Immunology | 6 | 231 | 385 | 394 |
| 719 | Marine Meteorology | 17 | 230 | 145 | 253 |
| 719 | Evidence-Based Medicine | 14 | 230 | 225 | 319 |
| 721 | Radioisotopes | 15 | 227 | 455 | 450 |
| 721 | infection | 12 | 227 | 844 | 1192 |
| 723 | data collection | 19 | 225 | 249 | 760 |
| 724 | Soil dynamics | 11 | 224 | 205 | 269 |
| 724 | Flexible electronics | 6 | 224 | 30 | 45 |
| 724 | Cellulose | 11 | 224 | 216 | 361 |
| 727 | Agricultural Engineering | 6 | 223 | 268 | 235 |
| 727 | Demography | 9 | 223 | 318 | 405 |
| 729 | Cerebral cortex | 9 | 221 | 526 | 703 |
| 730 | Leadership | 5 | 220 | 329 | 389 |
| 730 | glycoproteins | 8 | 220 | 233 | 329 |
| 730 | Glycoconjugates | 8 | 220 | 233 | 329 |
| 730 | glycolipids | 8 | 220 | 233 | 329 |
| 734 | Industry | 5 | 219 | 85 | 212 |
| 735 | Organizational learning | 20 | 218 | 28 | 103 |
| 736 | Financial Engineering | 6 | 217 | 46 | 54 |
| 736 | Smoking | 5 | 217 | 593 | 537 |
| 738 | Animal Behavior | 8 | 215 | 1151 | 1405 |
| 738 | Social work | 14 | 215 | 571 | 598 |
| 740 | Neurosurgery | 15 | 213 | 418 | 713 |
| 740 | men | 14 | 213 | 38 | 94 |
| 742 | Cloud Computing | 8 | 212 | 126 | 131 |
| 742 | Social Networks | 7 | 212 | 114 | 170 |
| 742 | Minerals | 13 | 212 | 216 | 349 |
| 745 | Child welfare | 12 | 211 | 438 | 542 |
| 745 | Environmental Geochemistry | 12 | 211 | 120 | 197 |
| 745 | Autoimmunity | 14 | 211 | 274 | 621 |
| 748 | Electromagnetic waves | 15 | 210 | 49 | 79 |
| 749 | Sports Medicine | 16 | 208 | 1014 | 1346 |
| 749 | Demographic research | 3 | 208 | 126 | 133 |
| 751 | Bone diseases | 9 | 207 | 192 | 409 |
| 752 | Animal welfare | 3 | 205 | 290 | 150 |
| 752 | Longevity | 4 | 205 | 130 | 97 |
| 752 | rejuvenation | 4 | 205 | 87 | 83 |
| 755 | Bioprinting | 8 | 204 | 12 | 21 |
| 755 | Allergy | 6 | 204 | 896 | 1203 |
| 757 | Highway Engineering | 6 | 203 | 244 | 171 |
| 757 | gene transfer | 22 | 203 | 21 | 135 |
| 757 | genetic transformation | 22 | 203 | 21 | 135 |
| 760 | Zeolites | 10 | 202 | 425 | 678 |
| 761 | Artificial Organs | 11 | 199 | 293 | 297 |
| 761 | organization | 5 | 199 | 556 | 592 |
| 763 | Asthma | 11 | 197 | 261 | 332 |
| 764 | Access to Information | 3 | 196 | 146 | 122 |
| 764 | Information dissemination | 3 | 196 | 146 | 122 |
| 766 | Developmental Neurobiology | 9 | 194 | 208 | 270 |
| 766 | Crystallography | 14 | 194 | 785 | 652 |
| 768 | Audiology | 5 | 193 | 601 | 498 |
| 768 | Microfabrication | 25 | 193 | 47 | 178 |
| 770 | plant molecular biology | 9 | 192 | 882 | 1432 |
| 771 | plasma | 11 | 191 | 27 | 29 |
| 772 | Knowledge management | 19 | 189 | 15 | 61 |
| 773 | economic forecasting | 4 | 188 | 254 | 218 |
| 773 | families | 8 | 188 | 468 | 402 |
| 775 | Proteome | 15 | 187 | 476 | 1018 |
| 776 | Hydrodynamics | 13 | 186 | 232 | 412 |
| 777 | Econometrics | 31 | 185 | 323 | 763 |
| 777 | eugenics | 9 | 185 | 243 | 324 |
| 779 | Energy metabolism | 14 | 182 | 233 | 502 |
| 780 | probabilities | 22 | 181 | 422 | 524 |
| 781 | Stochastic Processes | 21 | 180 | 175 | 371 |
| 781 | world | 6 | 180 | 493 | 695 |
| 783 | drug resistance | 9 | 179 | 305 | 539 |
| 784 | Sedimentology | 6 | 177 | 399 | 417 |
| 785 | hazard mitigation | 6 | 175 | 595 | 582 |
| 785 | natural disasters | 6 | 175 | 893 | 918 |
| 787 | drug toxicity | 8 | 172 | 149 | 272 |
| 788 | Wireless Communication | 13 | 171 | 91 | 137 |
| 789 | Ecological Engineering | 7 | 170 | 342 | 575 |
| 789 | epilepsy | 17 | 170 | 322 | 612 |
| 789 | Behavioral research | 12 | 170 | 123 | 185 |
| 789 | biological monitoring | 6 | 170 | 316 | 357 |
| 793 | Mass Spectrometry | 15 | 169 | 505 | 829 |
| 794 | Biomolecules | 8 | 168 | 210 | 434 |
| 795 | Geotechnical Engineering | 5 | 167 | 368 | 332 |
| 795 | Noise | 23 | 167 | 4 | 19 |
| 797 | Biopharmaceutics | 7 | 165 | 710 | 930 |
| 798 | Leukemia | 5 | 164 | 891 | 1007 |
| 798 | Hypertension in pregnancy | 6 | 164 | 97 | 64 |
| 798 | anesthesia | 16 | 164 | 120 | 172 |
| 801 | Online social networks | 3 | 163 | 303 | 136 |
| 801 | Developed countries | 2 | 163 | 298 | 172 |
| 803 | Socialization | 3 | 161 | 504 | 433 |
| 803 | role | 3 | 161 | 412 | 362 |
| 805 | Water quality management | 22 | 160 | 558 | 1183 |
| 806 | Infertility | 7 | 159 | 635 | 931 |
| 806 | Elderly | 24 | 159 | 366 | 467 |
| 806 | fertility | 7 | 159 | 686 | 991 |
| 809 | Autoantibodies | 12 | 158 | 207 | 521 |
| 809 | Autoimmune diseases | 12 | 158 | 237 | 579 |
| 811 | Embryology | 8 | 157 | 958 | 1430 |
| 812 | Bioinorganic chemistry | 10 | 156 | 756 | 995 |
| 813 | Microfluidics | 4 | 155 | 189 | 148 |
| 814 | Psychoneuroimmunology | 7 | 154 | 368 | 706 |
| 814 | Auditing | 6 | 154 | 231 | 280 |
| 816 | Chemical Oceanography | 2 | 153 | 354 | 302 |
| 816 | Immunogenetics | 10 | 153 | 331 | 532 |
| 816 | Child Development | 10 | 153 | 1047 | 1555 |
| 816 | Learning | 6 | 153 | 851 | 955 |
| 820 | Ethology | 5 | 152 | 1140 | 1418 |
| 821 | Diagnosis | 6 | 151 | 245 | 219 |
| 821 | Metabolic syndrome | 12 | 151 | 47 | 106 |
| 821 | alcoholism | 6 | 151 | 1026 | 1126 |
| 824 | microwave antennas | 22 | 148 | 44 | 134 |
| 824 | cloning | 10 | 148 | 314 | 824 |
| 826 | preventive medicine | 13 | 147 | 512 | 1059 |
| 826 | tests | 3 | 147 | 184 | 146 |
| 828 | soil management | 5 | 144 | 412 | 541 |
| 828 | Freeze-Drying | 3 | 144 | 402 | 235 |
| 828 | Hypothermia | 3 | 144 | 402 | 235 |
| 828 | Freeze Drying | 3 | 144 | 402 | 235 |
| 828 | planning | 12 | 144 | 227 | 381 |
| 828 | tillage | 5 | 144 | 302 | 468 |
| 834 | Microcirculation | 8 | 143 | 229 | 357 |
| 834 | Blood vessels | 8 | 143 | 172 | 281 |
| 834 | Human Resources | 4 | 143 | 358 | 423 |
| 837 | radar | 9 | 142 | 71 | 90 |
| 837 | Sonar | 9 | 142 | 63 | 75 |
| 837 | Navigation | 9 | 142 | 143 | 130 |
| 840 | Emergency Medicine | 9 | 141 | 822 | 889 |
| 841 | Machine Learning | 9 | 139 | 146 | 284 |
| 841 | radiative transfer | 7 | 139 | 361 | 355 |
| 841 | Cell division | 4 | 139 | 315 | 382 |
| 844 | Ubiquitous computing | 10 | 138 | 35 | 39 |
| 844 | Plant diseases | 5 | 138 | 1583 | 1424 |
| 846 | Bioethics | 11 | 137 | 410 | 494 |
| 846 | Indoor air quality | 19 | 137 | 11 | 21 |
| 848 | Cell survival | 6 | 136 | 83 | 185 |
| 848 | molecular chaperones | 6 | 136 | 102 | 185 |
| 850 | Sensor Networks | 15 | 135 | 36 | 118 |
| 850 | Investments | 6 | 135 | 342 | 269 |
| 852 | Nanomedicine | 7 | 134 | 68 | 219 |
| 852 | Computational Linguistics | 16 | 134 | 83 | 186 |
| 852 | Social behavior | 10 | 134 | 557 | 941 |
| 855 | Oligosaccharides | 6 | 133 | 127 | 183 |
| 856 | vitamin C | 4 | 132 | 333 | 425 |
| 856 | vitamin E | 4 | 132 | 333 | 425 |
| 858 | Nuclear Medicine | 8 | 131 | 663 | 848 |
| 858 | Molecular Imaging | 8 | 131 | 411 | 696 |
| 858 | Chemical kinetics | 14 | 131 | 213 | 298 |
| 858 | global environmental change | 7 | 131 | 508 | 928 |
| 862 | Anatomy | 11 | 130 | 1008 | 1608 |
| 862 | Immunotoxicology | 11 | 130 | 71 | 150 |
| 862 | Laser therapy | 17 | 130 | 114 | 204 |
| 865 | Raman spectroscopy | 11 | 129 | 279 | 574 |
| 866 | Plant physiology | 7 | 128 | 1448 | 1970 |
| 867 | United Kingdom | 7 | 127 | 1021 | 1457 |
| 868 | Advertising | 1 | 126 | 520 | 291 |
| 868 | Genetic markers | 8 | 126 | 71 | 155 |
| 870 | Medical Ethics | 8 | 125 | 634 | 657 |
| 870 | Plant cells | 5 | 125 | 866 | 1407 |
| 872 | Food service management | 7 | 124 | 196 | 475 |
| 872 | Waste management | 17 | 124 | 469 | 1014 |
| 872 | RNA | 2 | 124 | 652 | 557 |
| 875 | Infection control | 7 | 123 | 131 | 279 |
| 875 | curriculum evaluation | 3 | 123 | 362 | 222 |
| 875 | disease outbreaks | 5 | 123 | 415 | 562 |
| 875 | Epidemics | 5 | 123 | 398 | 555 |
| 879 | Emergency Medical Services | 7 | 122 | 391 | 433 |
| 879 | Natural resources | 6 | 122 | 501 | 699 |
| 879 | Genetic databases | 1 | 122 | 127 | 3 |
| 879 | Islam | 3 | 122 | 448 | 149 |
| 879 | synthesis | 13 | 122 | 361 | 534 |
| 884 | peptides | 15 | 121 | 209 | 519 |
| 884 | Human biology | 12 | 121 | 242 | 415 |
| 884 | Economic planning | 6 | 121 | 297 | 363 |
| 887 | soil conservation | 13 | 120 | 220 | 671 |
| 888 | Graph Theory | 19 | 119 | 196 | 329 |
| 888 | Research Design | 10 | 119 | 590 | 1089 |
| 888 | Regeneration | 5 | 119 | 36 | 25 |
| 888 | local government | 2 | 119 | 415 | 262 |
| 892 | Bibliometrics | 5 | 118 | 79 | 133 |
| 893 | Nanomanufacturing | 20 | 117 | 7 | 21 |
| 893 | Landslides | 9 | 117 | 81 | 311 |
| 895 | Political Science | 6 | 116 | 1161 | 979 |
| 895 | Computational Chemistry | 12 | 116 | 225 | 592 |
| 895 | dietary supplements | 15 | 116 | 212 | 782 |
| 895 | protein | 9 | 116 | 725 | 1093 |
| 895 | population trends | 1 | 116 | 162 | 145 |
| 895 | identity recognition | 3 | 116 | 38 | 34 |
| 901 | Zoology | 4 | 115 | 2265 | 1794 |
| 902 | Pharmacokinetics | 8 | 114 | 439 | 853 |
| 902 | Hematopoietic stem cell transplantation | 5 | 114 | 321 | 539 |
| 902 | pain management | 10 | 114 | 262 | 530 |
| 902 | Soil ecology | 4 | 114 | 668 | 795 |
| 906 | Flexible manufacturing systems | 8 | 113 | 162 | 331 |
| 906 | aerosol | 7 | 113 | 251 | 353 |
| 908 | Sports | 10 | 112 | 1059 | 1379 |
| 908 | Climate | 10 | 112 | 225 | 569 |
| 910 | Corporate governance | 11 | 111 | 144 | 538 |
| 910 | Parasitic Diseases | 7 | 111 | 1347 | 1809 |
| 910 | Androgens | 3 | 111 | 242 | 273 |
| 913 | Water Purification | 15 | 110 | 401 | 896 |
| 913 | forest policy | 6 | 110 | 219 | 282 |
| 915 | Rheumatology | 9 | 109 | 696 | 1167 |
| 915 | India | 14 | 109 | 429 | 534 |
| 917 | Microbial Genetics | 3 | 108 | 349 | 345 |
| 917 | phytopathogenic bacteria | 3 | 108 | 250 | 325 |
| 917 | Metrology | 7 | 108 | 35 | 19 |
| 920 | Neuroendocrinology | 1 | 106 | 261 | 253 |
| 920 | Child psychology | 3 | 106 | 1406 | 1445 |
| 922 | Optoelectronics | 18 | 105 | 115 | 237 |
| 922 | Randomized Controlled Trials | 12 | 105 | 482 | 798 |
| 924 | Geriatric Psychiatry | 6 | 104 | 697 | 931 |
| 924 | motivation | 1 | 104 | 606 | 310 |
| 924 | Welding | 10 | 104 | 111 | 93 |
| 924 | movement | 1 | 104 | 636 | 312 |
| 924 | Cytokine | 11 | 104 | 123 | 556 |
| 929 | Remote Sensing | 17 | 103 | 523 | 995 |
| 929 | Health Education | 7 | 103 | 1193 | 1580 |
| 929 | primary prevention | 4 | 103 | 338 | 393 |
| 932 | Polymer Engineering | 5 | 102 | 44 | 19 |
| 932 | Hydraulic Engineering | 4 | 102 | 852 | 801 |
| 932 | Adipose tissue | 7 | 102 | 10 | 45 |
| 932 | Central Asia | 5 | 102 | 78 | 107 |
| 936 | Civil Engineering | 7 | 101 | 1050 | 845 |
| 936 | Neurotoxicology | 8 | 101 | 277 | 639 |
| 936 | Hemostasis | 10 | 101 | 405 | 724 |
| 939 | Forensic Genetics | 8 | 100 | 107 | 221 |
| 939 | technology transfer | 7 | 100 | 72 | 253 |
| 939 | Biological Systems | 4 | 100 | 467 | 554 |
| 939 | Eurasia | 3 | 100 | 205 | 137 |
| 943 | Marine Biology | 2 | 99 | 2966 | 2389 |
| 944 | genre | 2 | 98 | 273 | 87 |
| 944 | elasticity | 10 | 98 | 80 | 158 |
| 946 | Mental Health Services | 5 | 97 | 996 | 1126 |
| 947 | Fixed Point Theory | 7 | 96 | 89 | 73 |
| 947 | Graphene | 5 | 96 | 50 | 149 |
| 947 | Information management | 3 | 96 | 60 | 58 |
| 947 | Antigens | 5 | 96 | 712 | 880 |
| 947 | biomimicry | 5 | 96 | 112 | 170 |
| 947 | drug addiction | 3 | 96 | 1105 | 1141 |
| 953 | Mental Health | 7 | 95 | 1030 | 1401 |
| 953 | Superconductivity | 5 | 95 | 394 | 374 |
| 955 | Inventory Control | 4 | 94 | 27 | 66 |
| 955 | Sustainable agriculture | 3 | 94 | 774 | 693 |
| 955 | Decision Support Systems | 1 | 94 | 320 | 102 |
| 955 | analysis | 3 | 94 | 320 | 334 |
| 959 | Health Services Administration | 8 | 93 | 587 | 1056 |
| 959 | soil pollution | 4 | 93 | 452 | 464 |
| 959 | Interfaces | 4 | 93 | 251 | 254 |
| 962 | Geriatric Oncology | 6 | 92 | 401 | 705 |
| 963 | Organizational change | 5 | 91 | 506 | 615 |
| 964 | Biogeochemical cycles | 2 | 90 | 518 | 662 |
| 965 | Social welfare | 3 | 89 | 580 | 434 |
| 965 | Molecular evolution | 6 | 89 | 1042 | 1770 |
| 965 | Adhesion | 9 | 89 | 277 | 554 |
| 965 | adhesives | 9 | 89 | 301 | 559 |
| 969 | Refractory materials | 7 | 88 | 75 | 29 |
| 970 | Horticulture | 3 | 87 | 803 | 656 |
| 970 | Oligosaccharide | 2 | 87 | 407 | 439 |
| 970 | Carbohydrates | 2 | 87 | 586 | 551 |
| 970 | Growth | 3 | 87 | 1088 | 1515 |
| 974 | Psychosomatic Medicine | 3 | 86 | 803 | 941 |
| 974 | Youth | 4 | 86 | 556 | 705 |
| 976 | Expert Systems | 8 | 85 | 30 | 129 |
| 976 | International Education | 3 | 85 | 227 | 198 |
| 976 | Parasites | 7 | 85 | 1067 | 1495 |
| 976 | body temperature | 4 | 85 | 421 | 452 |
| 980 | adolescence | 3 | 84 | 892 | 906 |
| 980 | Electron Microscopy | 7 | 84 | 219 | 329 |
| 980 | hygiene | 4 | 84 | 462 | 546 |
| 980 | Muscle contraction | 18 | 84 | 31 | 84 |
| 984 | Community Psychiatry | 3 | 83 | 1014 | 1112 |
| 984 | bioclimatology | 11 | 83 | 327 | 907 |
| 984 | Infrared spectroscopy | 6 | 83 | 135 | 272 |
| 984 | Agriculture | 12 | 83 | 1003 | 2134 |
| 988 | preimplantation genetic diagnosis | 8 | 82 | 244 | 453 |
| 988 | embryo transfer | 8 | 82 | 256 | 468 |
| 988 | Interferons | 10 | 82 | 75 | 313 |
| 991 | Evolutionary Genetics | 2 | 81 | 908 | 739 |
| 991 | Molecular Epidemiology | 2 | 81 | 908 | 739 |
| 991 | Plant genetic engineering | 3 | 81 | 960 | 1143 |
| 991 | Solutions | 6 | 81 | 224 | 277 |
| 995 | Aerospace Engineering | 19 | 80 | 56 | 141 |
| 995 | Computer Architecture | 12 | 80 | 188 | 400 |
| 995 | greenhouse effect | 4 | 80 | 33 | 79 |
| 995 | Carbon dioxide | 4 | 80 | 33 | 79 |
| 995 | Testing | 8 | 80 | 16 | 57 |
| 995 | Birth control | 2 | 80 | 633 | 567 |