| 1 | Physics | 1,987 | 127.4K | 198 | 238 |
| 2 | Chemistry | 1,449 | 94.1K | 267 | 236 |
| 3 | Materials | 1,089 | 72.8K | 137 | 102 |
| 4 | Biology | 760 | 56.8K | 385 | 431 |
| 5 | Science | 774 | 56.0K | 401 | 440 |
| 6 | Nuclear Physics | 1,426 | 51.2K | 144 | 145 |
| 7 | Nanotechnology | 777 | 49.0K | 119 | 118 |
| 8 | Telecommunication | 635 | 44.8K | 21 | 17 |
| 9 | Microbiology | 510 | 44.4K | 313 | 207 |
| 10 | Biotechnology | 568 | 41.9K | 165 | 101 |
| 11 | Chemical Engineering | 788 | 40.2K | 71 | 60 |
| 12 | Materials Science | 625 | 35.7K | 133 | 114 |
| 13 | Environment | 550 | 35.0K | 100 | 135 |
| 14 | Polymers | 1,120 | 34.9K | 46 | 67 |
| 15 | Pollution | 721 | 34.8K | 81 | 118 |
| 16 | Biochemistry | 774 | 32.8K | 493 | 443 |
| 17 | Analytical Chemistry | 562 | 31.4K | 79 | 37 |
| 18 | Social Psychology | 377 | 31.3K | 52 | 41 |
| 19 | Signal Processing | 306 | 30.3K | 96 | 43 |
| 20 | Astrophysics | 390 | 29.9K | 290 | 260 |
| 21 | Tourism | 375 | 29.6K | 7 | 7 |
| 22 | Research | 685 | 28.9K | 325 | 294 |
| 23 | Renewable Energy Sources | 169 | 28.8K | 55 | 17 |
| 24 | Ecology | 543 | 28.4K | 257 | 302 |
| 25 | Statistical physics | 819 | 28.1K | 53 | 56 |
| 26 | Technology | 418 | 27.9K | 65 | 18 |
| 27 | Wireless Communication Systems | 579 | 27.4K | 16 | 14 |
| 28 | Biomedical Engineering | 625 | 27.4K | 73 | 49 |
| 29 | Psychology | 620 | 27.3K | 148 | 141 |
| 30 | Natural history | 131 | 26.8K | 403 | 436 |
| 31 | Spectrum analysis | 514 | 26.7K | 113 | 138 |
| 32 | Medicine | 772 | 25.8K | 398 | 546 |
| 33 | polymerization | 889 | 25.6K | 39 | 60 |
| 34 | Hydrology | 655 | 25.4K | 5 | 14 |
| 35 | Environmental Health | 465 | 24.2K | 134 | 144 |
| 36 | Physiology | 463 | 23.6K | 141 | 122 |
| 37 | Astronomy | 458 | 23.6K | 254 | 283 |
| 38 | Electrical Engineering | 600 | 23.2K | 64 | 10 |
| 39 | Information Theory | 436 | 23.1K | 11 | 19 |
| 40 | Bioengineering | 327 | 22.7K | 140 | 144 |
| 41 | Public Health | 692 | 22.6K | 124 | 165 |
| 42 | Mathematics | 1,721 | 22.3K | 35 | 55 |
| 43 | energy conservation | 263 | 21.9K | 30 | 19 |
| 44 | Quantum Gravity | 601 | 21.6K | 67 | 93 |
| 45 | Image Processing | 207 | 20.7K | 81 | 33 |
| 46 | Biocompatible Materials | 331 | 20.6K | 178 | 151 |
| 47 | Condensed Matter | 511 | 20.1K | 222 | 204 |
| 48 | Groundwater | 334 | 19.8K | 2 | 1 |
| 49 | Solid State Physics | 590 | 19.8K | 204 | 194 |
| 50 | Psychophysiology | 425 | 19.4K | 92 | 105 |
| 51 | Artificial Intelligence | 414 | 19.1K | 80 | 92 |
| 52 | Water pollution | 372 | 18.8K | 23 | 35 |
| 53 | Environmental Chemistry | 203 | 18.6K | 36 | 31 |
| 54 | Water | 382 | 18.6K | 27 | 49 |
| 55 | Environmental Engineering | 393 | 18.5K | 76 | 108 |
| 56 | Neurology | 257 | 18.3K | 533 | 419 |
| 57 | personality | 200 | 18.2K | 44 | 38 |
| 58 | Automation | 335 | 17.9K | 47 | 58 |
| 59 | Molecular Biology | 304 | 17.6K | 742 | 651 |
| 60 | environmental pollution | 457 | 17.5K | 70 | 105 |
| 61 | Colloids | 434 | 17.1K | 94 | 102 |
| 62 | Statistics | 616 | 16.9K | 23 | 57 |
| 63 | Electronics | 617 | 16.4K | 60 | 85 |
| 64 | Catalysis | 417 | 16.1K | 155 | 213 |
| 65 | Energy Conversion | 75 | 16.0K | 116 | 49 |
| 66 | Electrochemistry | 584 | 16.0K | 67 | 77 |
| 67 | Cognition | 328 | 15.6K | 28 | 51 |
| 68 | Brain | 271 | 15.5K | 133 | 117 |
| 69 | computer networks | 405 | 15.1K | 13 | 23 |
| 70 | Microbial Ecology | 125 | 15.0K | 183 | 105 |
| 71 | Surface Chemistry | 441 | 15.0K | 79 | 109 |
| 72 | nanoscience | 199 | 14.8K | 168 | 141 |
| 73 | United States | 481 | 14.6K | 194 | 185 |
| 74 | Information Technology | 120 | 14.5K | 84 | 7 |
| 75 | Botany | 192 | 14.3K | 412 | 258 |
| 76 | Nanostructured Materials | 269 | 14.3K | 146 | 109 |
| 77 | Numerical Analysis | 206 | 14.2K | 31 | 2 |
| 78 | Sustainable Development | 166 | 13.5K | 13 | 13 |
| 79 | Geochemistry | 217 | 13.5K | 125 | 99 |
| 80 | management | 215 | 13.3K | 162 | 177 |
| 81 | energy development | 28 | 13.1K | 84 | 10 |
| 82 | Nutrition | 271 | 13.1K | 207 | 193 |
| 83 | Behavior | 270 | 12.9K | 139 | 151 |
| 84 | Computer Graphics | 229 | 12.8K | 52 | 39 |
| 85 | Optics | 699 | 12.5K | 132 | 161 |
| 86 | Combinatorial analysis | 539 | 12.1K | 1 | 2 |
| 87 | Communication | 134 | 12.0K | 127 | 33 |
| 88 | Nervous system | 192 | 11.8K | 119 | 125 |
| 89 | Geriatrics | 356 | 11.3K | 98 | 121 |
| 90 | Biomechanics | 184 | 11.2K | 29 | 24 |
| 91 | Intelligent Transportation Systems | 226 | 11.2K | 12 | 9 |
| 92 | Toxicology | 252 | 11.2K | 264 | 202 |
| 93 | sanitation | 164 | 10.8K | 92 | 112 |
| 94 | Mathematical Physics | 358 | 10.7K | 59 | 104 |
| 95 | Leisure | 193 | 10.5K | 1 | 2 |
| 96 | Geophysics | 274 | 10.4K | 315 | 317 |
| 97 | soil microbiology | 50 | 10.4K | 211 | 64 |
| 98 | Neurophysiology | 188 | 10.4K | 241 | 252 |
| 99 | Ophthalmology | 206 | 10.3K | 90 | 68 |
| 100 | Cybernetics | 258 | 10.2K | 16 | 38 |
| 101 | Membranes | 159 | 10.2K | 77 | 54 |
| 102 | Operations Research | 345 | 10.2K | 19 | 44 |
| 103 | Environmental Policy | 219 | 10.1K | 70 | 128 |
| 104 | Computer Vision | 55 | 10.1K | 115 | 35 |
| 105 | internet | 169 | 9.8K | 36 | 9 |
| 106 | water supply | 178 | 9.6K | 19 | 27 |
| 107 | fuel cells | 84 | 9.6K | 92 | 58 |
| 108 | Microwaves | 340 | 9.3K | 21 | 20 |
| 109 | Biophysics | 311 | 9.2K | 453 | 475 |
| 110 | Epidemiology | 275 | 9.2K | 167 | 216 |
| 111 | Biochemical Engineering | 210 | 9.1K | 146 | 293 |
| 112 | System analysis | 368 | 9.0K | 6 | 24 |
| 113 | locomotion | 86 | 8.9K | 6 | 3 |
| 113 | posture | 86 | 8.9K | 6 | 3 |
| 113 | gait | 86 | 8.9K | 6 | 3 |
| 113 | walking | 86 | 8.9K | 6 | 3 |
| 117 | Optical materials | 163 | 8.8K | 177 | 145 |
| 118 | Radio | 244 | 8.8K | 41 | 83 |
| 119 | Aging | 269 | 8.6K | 131 | 150 |
| 120 | miniaturization | 93 | 8.6K | 186 | 138 |
| 121 | Graph Theory | 353 | 8.6K | 1 | 1 |
| 122 | Microelectronics | 127 | 8.5K | 144 | 130 |
| 123 | Systems Engineering | 247 | 8.4K | 33 | 29 |
| 124 | Respiration | 164 | 8.3K | 62 | 61 |
| 125 | Metabolism | 109 | 8.0K | 338 | 268 |
| 126 | Plant physiology | 89 | 8.0K | 230 | 137 |
| 127 | Database Management | 184 | 8.0K | 13 | 21 |
| 128 | environmental protection | 180 | 7.9K | 100 | 114 |
| 129 | Environmental Microbiology | 31 | 7.9K | 261 | 39 |
| 130 | rehabilitation | 173 | 7.7K | 99 | 71 |
| 131 | Medical Laboratory Science | 151 | 7.7K | 76 | 97 |
| 132 | Transportation | 297 | 7.7K | 40 | 56 |
| 133 | Environmental pollutants | 165 | 7.6K | 29 | 28 |
| 134 | Environmental monitoring | 225 | 7.6K | 97 | 195 |
| 135 | human behavior | 138 | 7.4K | 159 | 198 |
| 136 | pollutants | 155 | 7.3K | 23 | 22 |
| 137 | Industrial Engineering | 226 | 7.3K | 28 | 32 |
| 138 | Oceanography | 155 | 7.3K | 145 | 134 |
| 139 | Physical Therapy | 77 | 7.2K | 114 | 48 |
| 140 | Ergonomics | 337 | 7.2K | 17 | 10 |
| 141 | Energy Policy | 143 | 7.0K | 104 | 118 |
| 142 | Neuropsychology | 188 | 7.0K | 114 | 129 |
| 143 | Earth Sciences | 137 | 6.9K | 273 | 235 |
| 144 | Mobile Computing | 143 | 6.8K | 22 | 10 |
| 145 | Geography | 246 | 6.7K | 85 | 119 |
| 146 | Gerontology | 220 | 6.6K | 96 | 60 |
| 147 | Meteorites | 81 | 6.5K | 129 | 106 |
| 148 | Software Engineering | 171 | 6.5K | 5 | 13 |
| 149 | mass transfer | 148 | 6.5K | 60 | 56 |
| 150 | Parenteral nutrition | 55 | 6.4K | 86 | 43 |
| 151 | Quality Control | 172 | 6.4K | 12 | 18 |
| 152 | Engineering | 382 | 6.4K | 84 | 135 |
| 153 | Sociology | 273 | 6.3K | 104 | 191 |
| 154 | Civil Engineering | 332 | 6.2K | 13 | 16 |
| 155 | Internet of Things | 151 | 6.1K | 36 | 30 |
| 156 | Perception | 134 | 5.9K | 138 | 109 |
| 157 | insurance | 190 | 5.9K | 1 | 1 |
| 158 | Matroids | 186 | 5.9K | 1 | 1 |
| 159 | Geology | 196 | 5.8K | 303 | 311 |
| 160 | Databases | 125 | 5.8K | 10 | 11 |
| 161 | Health promotion | 114 | 5.8K | 85 | 63 |
| 162 | Cosmochemistry | 104 | 5.8K | 25 | 19 |
| 163 | Marine Biology | 177 | 5.8K | 175 | 198 |
| 164 | Experimental Psychology | 110 | 5.8K | 5 | 15 |
| 165 | Economics | 243 | 5.7K | 291 | 328 |
| 166 | Actuarial Science | 186 | 5.7K | 2 | 1 |
| 167 | mathematical analysis | 356 | 5.6K | 8 | 12 |
| 168 | Psychiatry | 171 | 5.5K | 393 | 545 |
| 169 | Endocrinology | 105 | 5.5K | 411 | 416 |
| 170 | Child psychology | 122 | 5.5K | 132 | 164 |
| 171 | Fisheries | 113 | 5.5K | 102 | 64 |
| 172 | Fracture mechanics | 129 | 5.5K | 62 | 36 |
| 173 | Child Development | 138 | 5.4K | 158 | 183 |
| 174 | Composite Materials | 160 | 5.4K | 187 | 249 |
| 175 | Photonics | 136 | 5.3K | 158 | 201 |
| 176 | Smoking | 150 | 5.3K | 27 | 31 |
| 177 | Cognitive Science | 86 | 5.3K | 86 | 91 |
| 178 | Environmental Management | 136 | 5.3K | 98 | 165 |
| 179 | Organic Chemistry | 137 | 5.3K | 319 | 250 |
| 180 | Pharmacology | 157 | 5.3K | 666 | 650 |
| 181 | Metallurgy | 125 | 5.3K | 218 | 198 |
| 182 | Atmospheric Physics | 115 | 5.2K | 189 | 193 |
| 182 | Metals | 111 | 5.2K | 209 | 187 |
| 184 | Industrial Microbiology | 85 | 5.0K | 99 | 84 |
| 185 | Health | 212 | 5.0K | 77 | 120 |
| 186 | Experimental Design | 76 | 5.0K | 10 | 13 |
| 187 | Computational Biology | 135 | 5.0K | 187 | 271 |
| 188 | Great Lakes | 140 | 5.0K | 8 | 8 |
| 189 | Quantum Chemistry | 142 | 5.0K | 5 | 4 |
| 190 | Vision | 119 | 4.9K | 25 | 47 |
| 191 | Molecules | 127 | 4.9K | 60 | 47 |
| 192 | Cognitive neuroscience | 58 | 4.9K | 125 | 120 |
| 193 | alcoholism | 156 | 4.8K | 84 | 98 |
| 194 | Engineering Geology | 88 | 4.7K | 103 | 73 |
| 195 | Manufacturing Processes | 174 | 4.7K | 97 | 118 |
| 196 | Environmental Toxicology | 78 | 4.6K | 185 | 157 |
| 197 | preventive medicine | 103 | 4.6K | 69 | 81 |
| 198 | Psycholinguistics | 58 | 4.5K | 116 | 76 |
| 199 | Nanoparticles | 87 | 4.5K | 134 | 115 |
| 200 | Bioinformatics | 111 | 4.5K | 153 | 231 |
| 201 | Soft Condensed Matter | 107 | 4.4K | 57 | 39 |
| 202 | lasers | 142 | 4.4K | 133 | 89 |
| 203 | Atmospheric Chemistry | 90 | 4.4K | 126 | 161 |
| 204 | Cryptography | 125 | 4.4K | 4 | 2 |
| 205 | Nanostructures | 47 | 4.4K | 305 | 166 |
| 206 | Pharmaceutical Chemistry | 125 | 4.4K | 467 | 483 |
| 207 | Diet | 118 | 4.4K | 175 | 263 |
| 208 | Fluid Mechanics | 160 | 4.4K | 68 | 89 |
| 209 | Planets | 88 | 4.3K | 267 | 260 |
| 210 | Enteral nutrition | 32 | 4.3K | 103 | 60 |
| 211 | drug addiction | 138 | 4.3K | 62 | 87 |
| 212 | Mechanical Engineering | 235 | 4.3K | 71 | 75 |
| 213 | Biodiversity conservation | 34 | 4.1K | 418 | 322 |
| 214 | Structural Engineering | 159 | 4.1K | 97 | 112 |
| 215 | Cytology | 109 | 4.1K | 668 | 925 |
| 216 | Sports Medicine | 95 | 4.1K | 298 | 212 |
| 217 | Physical Chemistry | 108 | 4.1K | 207 | 235 |
| 218 | Health Education | 118 | 4.0K | 140 | 116 |
| 219 | Soil Mechanics | 87 | 4.0K | 92 | 84 |
| 220 | Roads | 204 | 4.0K | 28 | 25 |
| 221 | Learning | 89 | 4.0K | 106 | 116 |
| 222 | Hydraulic Engineering | 143 | 4.0K | 40 | 45 |
| 223 | Biomass Energy | 59 | 4.0K | 360 | 276 |
| 224 | Solar Energy | 92 | 4.0K | 54 | 67 |
| 225 | Building Materials | 83 | 3.9K | 163 | 166 |
| 226 | Health Services Research | 87 | 3.9K | 154 | 106 |
| 227 | biopolymers | 86 | 3.9K | 88 | 52 |
| 228 | Decision making | 71 | 3.9K | 89 | 80 |
| 229 | Cell Biology | 94 | 3.9K | 674 | 954 |
| 230 | Robotics | 153 | 3.9K | 54 | 89 |
| 231 | Sports | 96 | 3.8K | 214 | 142 |
| 232 | Consciousness | 59 | 3.8K | 9 | 6 |
| 233 | Economic Development | 67 | 3.8K | 147 | 125 |
| 234 | Quantum theory | 120 | 3.8K | 12 | 13 |
| 235 | Water quality management | 139 | 3.7K | 41 | 50 |
| 236 | Nonlinear Dynamics | 144 | 3.7K | 202 | 235 |
| 237 | Developing countries | 158 | 3.7K | 71 | 130 |
| 238 | Building | 77 | 3.6K | 41 | 19 |
| 239 | Meteorology | 119 | 3.6K | 239 | 352 |
| 240 | Energy Consumption | 46 | 3.5K | 19 | 12 |
| 241 | vibration | 86 | 3.5K | 70 | 58 |
| 242 | Dynamics | 161 | 3.5K | 18 | 22 |
| 243 | concrete | 47 | 3.5K | 128 | 106 |
| 244 | Quantum electronics | 120 | 3.5K | 113 | 92 |
| 245 | Memory | 90 | 3.5K | 197 | 194 |
| 246 | Combustion | 102 | 3.4K | 98 | 103 |
| 247 | Bioorganic chemistry | 76 | 3.3K | 399 | 326 |
| 248 | Metabolic diseases | 61 | 3.3K | 410 | 460 |
| 249 | Radio waves | 126 | 3.3K | 58 | 94 |
| 250 | Education | 84 | 3.3K | 563 | 324 |
| 251 | Green Chemistry | 68 | 3.3K | 205 | 228 |
| 252 | Plastics | 88 | 3.3K | 84 | 49 |
| 253 | Human Geography | 106 | 3.3K | 65 | 78 |
| 254 | Obesity | 102 | 3.2K | 192 | 266 |
| 255 | Energy Storage | 42 | 3.2K | 184 | 92 |
| 256 | Growth | 47 | 3.2K | 222 | 242 |
| 257 | finance | 95 | 3.2K | 182 | 186 |
| 258 | Coding Theory | 81 | 3.2K | 2 | 1 |
| 259 | Primary health care | 66 | 3.1K | 193 | 94 |
| 260 | Animal Behavior | 63 | 3.1K | 331 | 313 |
| 261 | Machine Learning | 16 | 3.1K | 75 | 37 |
| 262 | city planning | 123 | 3.1K | 69 | 98 |
| 263 | Parallel Processing | 45 | 3.1K | 36 | 21 |
| 264 | Agricultural Ecology | 61 | 3.0K | 93 | 113 |
| 265 | Social Sciences | 117 | 3.0K | 312 | 236 |
| 266 | Radiation | 108 | 3.0K | 111 | 94 |
| 267 | Speech | 52 | 3.0K | 118 | 71 |
| 268 | Computer Science | 143 | 3.0K | 35 | 42 |
| 269 | Immunology | 30 | 3.0K | 1276 | 870 |
| 270 | Structural dynamics | 52 | 3.0K | 133 | 104 |
| 271 | Biogeochemistry | 44 | 2.9K | 202 | 180 |
| 272 | Medical Anthropology | 59 | 2.9K | 155 | 167 |
| 273 | Energy Harvesting | 18 | 2.9K | 125 | 67 |
| 274 | Climate change | 15 | 2.9K | 423 | 362 |
| 274 | Eutrophication | 15 | 2.9K | 418 | 361 |
| 276 | Genomics | 40 | 2.9K | 769 | 448 |
| 276 | global environmental change | 44 | 2.9K | 59 | 71 |
| 278 | Molecular Spectroscopy | 115 | 2.9K | 45 | 59 |
| 279 | freshwater biology | 68 | 2.8K | 33 | 46 |
| 280 | Physical fitness | 74 | 2.8K | 40 | 68 |
| 281 | Geomorphology | 47 | 2.8K | 199 | 142 |
| 281 | Information Science | 106 | 2.8K | 142 | 216 |
| 283 | Research Design | 43 | 2.8K | 162 | 124 |
| 284 | Chromatography | 74 | 2.8K | 106 | 44 |
| 285 | Fiber Optics | 93 | 2.8K | 67 | 66 |
| 286 | Microorganisms | 10 | 2.8K | 496 | 131 |
| 287 | psychotherapy | 53 | 2.8K | 216 | 192 |
| 288 | environmental exposure | 46 | 2.8K | 207 | 109 |
| 289 | Aquatic ecology | 114 | 2.8K | 9 | 13 |
| 290 | radiative transfer | 88 | 2.8K | 17 | 25 |
| 291 | language | 41 | 2.8K | 107 | 63 |
| 292 | Semiconductors | 111 | 2.8K | 117 | 77 |
| 293 | Bacteriology | 25 | 2.7K | 601 | 353 |
| 294 | Carbon | 56 | 2.7K | 124 | 169 |
| 295 | Mass Spectrometry | 53 | 2.7K | 135 | 79 |
| 296 | coal | 56 | 2.7K | 186 | 152 |
| 297 | Food | 59 | 2.7K | 477 | 398 |
| 298 | Electrophoresis | 84 | 2.7K | 86 | 87 |
| 299 | Medical Microbiology | 12 | 2.7K | 1163 | 421 |
| 300 | Public Policy | 92 | 2.6K | 113 | 141 |
| 301 | Control Theory | 155 | 2.6K | 76 | 166 |
| 302 | Biometrics | 164 | 2.6K | 34 | 106 |
| 303 | Sustainable Engineering | 65 | 2.6K | 148 | 159 |
| 304 | Cement | 33 | 2.6K | 91 | 83 |
| 305 | North America | 125 | 2.6K | 18 | 17 |
| 306 | government | 139 | 2.6K | 20 | 35 |
| 307 | Production Engineering | 122 | 2.6K | 107 | 110 |
| 308 | United Kingdom | 30 | 2.6K | 410 | 249 |
| 309 | Agriculture | 40 | 2.6K | 426 | 218 |
| 310 | Clinical Psychology | 53 | 2.6K | 235 | 267 |
| 311 | sustainability | 37 | 2.5K | 62 | 71 |
| 312 | economic policy | 82 | 2.5K | 209 | 133 |
| 313 | Ethology | 40 | 2.5K | 339 | 298 |
| 314 | motor skills | 52 | 2.5K | 3 | 2 |
| 315 | Power Electronics | 18 | 2.5K | 431 | 170 |
| 316 | Remote Sensing | 163 | 2.5K | 28 | 43 |
| 317 | Light | 34 | 2.4K | 159 | 231 |
| 318 | Biosensors | 43 | 2.4K | 173 | 179 |
| 319 | Soil biology | 25 | 2.4K | 246 | 166 |
| 320 | Mechatronics | 68 | 2.4K | 45 | 41 |
| 320 | Regional Planning | 98 | 2.4K | 80 | 118 |
| 322 | Muscles | 32 | 2.4K | 141 | 74 |
| 323 | Chromatographic analysis | 59 | 2.4K | 207 | 73 |
| 324 | Chemical analysis | 57 | 2.4K | 55 | 40 |
| 325 | Telecommunication Systems | 122 | 2.4K | 37 | 47 |
| 326 | ecotourism | 41 | 2.3K | 2 | 1 |
| 327 | Production Management | 47 | 2.3K | 120 | 184 |
| 328 | Plant diseases | 29 | 2.3K | 568 | 237 |
| 329 | arthritis | 40 | 2.3K | 244 | 262 |
| 330 | Chronic diseases | 35 | 2.3K | 107 | 125 |
| 331 | Natural resources | 66 | 2.3K | 29 | 65 |
| 332 | Mental Disorders | 73 | 2.3K | 444 | 629 |
| 333 | actuators | 80 | 2.3K | 178 | 283 |
| 333 | transducers | 80 | 2.3K | 178 | 283 |
| 335 | Economic History | 112 | 2.3K | 319 | 310 |
| 336 | Soil Science | 51 | 2.3K | 294 | 250 |
| 337 | Hydrodynamics | 64 | 2.2K | 28 | 47 |
| 338 | Oncology | 14 | 2.2K | 1030 | 730 |
| 339 | Earthquake Engineering | 73 | 2.2K | 167 | 181 |
| 340 | Heat Exchangers | 23 | 2.2K | 264 | 97 |
| 341 | China | 102 | 2.2K | 270 | 251 |
| 342 | health planning | 114 | 2.2K | 68 | 124 |
| 343 | Ecological Engineering | 32 | 2.2K | 36 | 15 |
| 344 | Exercise | 45 | 2.2K | 187 | 76 |
| 345 | proteins | 65 | 2.2K | 276 | 304 |
| 346 | Multimedia Systems | 43 | 2.2K | 246 | 98 |
| 347 | Neural circuitry | 54 | 2.2K | 202 | 200 |
| 348 | Speech Disorders | 34 | 2.1K | 226 | 122 |
| 349 | Functional equations | 172 | 2.1K | 1 | 1 |
| 350 | movement | 45 | 2.1K | 8 | 8 |
| 351 | natural disasters | 38 | 2.1K | 120 | 69 |
| 352 | Medical Physics | 111 | 2.1K | 166 | 297 |
| 353 | Ocean Engineering | 60 | 2.1K | 246 | 209 |
| 354 | Plants | 21 | 2.1K | 764 | 454 |
| 355 | Travel | 39 | 2.1K | 82 | 30 |
| 356 | plasticity | 35 | 2.1K | 27 | 41 |
| 357 | Substance Abuse | 99 | 2.1K | 120 | 159 |
| 358 | Entrepreneurship | 16 | 2.1K | 282 | 174 |
| 359 | Psychometrics | 14 | 2.1K | 173 | 72 |
| 360 | energy resources | 41 | 2.1K | 175 | 264 |
| 361 | Magnetic Materials | 66 | 2.0K | 160 | 182 |
| 362 | Microbial Biotechnology | 32 | 2.0K | 68 | 32 |
| 363 | ecosystem | 25 | 2.0K | 346 | 241 |
| 364 | Algorithms | 62 | 2.0K | 8 | 12 |
| 365 | Asia | 56 | 2.0K | 306 | 141 |
| 366 | Spine | 32 | 2.0K | 120 | 103 |
| 367 | Environmental Geology | 45 | 1.9K | 176 | 149 |
| 368 | Occupational Health | 95 | 1.9K | 38 | 66 |
| 368 | micromechanics | 58 | 1.9K | 21 | 24 |
| 370 | Industrial Safety | 77 | 1.9K | 40 | 79 |
| 371 | Petroleum Engineering | 68 | 1.9K | 93 | 86 |
| 372 | Sound | 65 | 1.9K | 70 | 101 |
| 373 | Neurolinguistics | 18 | 1.9K | 95 | 42 |
| 374 | enzymes | 36 | 1.9K | 268 | 180 |
| 375 | Conservation Biology | 22 | 1.9K | 298 | 174 |
| 376 | Solid State Chemistry | 103 | 1.9K | 242 | 313 |
| 377 | Pharmacy | 53 | 1.8K | 314 | 287 |
| 378 | Bioelectronics | 28 | 1.8K | 200 | 205 |
| 379 | Serology | 9 | 1.8K | 194 | 17 |
| 380 | Health Policy | 85 | 1.8K | 237 | 317 |
| 380 | Biogeochemical cycles | 17 | 1.8K | 132 | 116 |
| 382 | Diagnostic Imaging | 60 | 1.8K | 278 | 315 |
| 383 | Developmental Psychology | 64 | 1.8K | 127 | 197 |
| 384 | Microwave devices | 78 | 1.8K | 21 | 35 |
| 385 | Medical innovations | 16 | 1.8K | 301 | 264 |
| 386 | Fishery management | 29 | 1.8K | 149 | 57 |
| 387 | Electromagnetism | 49 | 1.8K | 112 | 87 |
| 388 | Climatology | 53 | 1.8K | 301 | 386 |
| 389 | Biodiversity | 34 | 1.7K | 514 | 452 |
| 390 | Cerebral cortex | 26 | 1.7K | 237 | 207 |
| 391 | Computer-Aided Design | 55 | 1.7K | 95 | 105 |
| 392 | Process Control | 47 | 1.7K | 44 | 136 |
| 393 | cryosphere | 37 | 1.7K | 59 | 75 |
| 394 | Dementia | 116 | 1.7K | 155 | 172 |
| 395 | Performance | 35 | 1.7K | 22 | 17 |
| 396 | recreation | 50 | 1.7K | 62 | 25 |
| 397 | Rock Mechanics | 55 | 1.7K | 115 | 150 |
| 398 | Developmental Immunology | 41 | 1.6K | 58 | 50 |
| 399 | Risk assessment | 39 | 1.6K | 15 | 7 |
| 400 | probabilities | 150 | 1.6K | 34 | 84 |
| 401 | Paleoclimatology | 27 | 1.6K | 297 | 200 |
| 402 | Human genetics | 4 | 1.6K | 1867 | 1314 |
| 403 | Simulation Methods | 49 | 1.6K | 24 | 9 |
| 404 | Organizational Behavior | 26 | 1.6K | 105 | 117 |
| 405 | Information Retrieval | 52 | 1.6K | 15 | 49 |
| 406 | Pediatrics | 24 | 1.6K | 755 | 577 |
| 407 | Genetic algorithms | 3 | 1.6K | 304 | 85 |
| 408 | atmospheric models | 45 | 1.6K | 115 | 164 |
| 409 | Nonlinear functional analysis | 59 | 1.6K | 67 | 48 |
| 410 | Clinical Chemistry | 38 | 1.5K | 756 | 689 |
| 411 | Cloud Computing | 21 | 1.5K | 29 | 6 |
| 412 | Evolutionary Computation | 5 | 1.5K | 302 | 95 |
| 413 | Detectors | 51 | 1.5K | 177 | 127 |
| 414 | Social problems | 20 | 1.5K | 127 | 79 |
| 415 | drug therapy | 35 | 1.5K | 588 | 473 |
| 416 | medical education | 34 | 1.5K | 378 | 248 |
| 417 | Engineering Mathematics | 92 | 1.5K | 184 | 216 |
| 418 | Ultrasonics | 58 | 1.5K | 90 | 155 |
| 419 | Europe | 87 | 1.5K | 399 | 479 |
| 420 | world | 15 | 1.5K | 221 | 132 |
| 421 | Plant cells | 17 | 1.5K | 478 | 519 |
| 422 | Boundary Value Problems | 32 | 1.5K | 111 | 52 |
| 422 | Antenna Arrays | 32 | 1.5K | 94 | 52 |
| 424 | Linguistics | 46 | 1.5K | 281 | 174 |
| 425 | Recycling | 24 | 1.5K | 78 | 109 |
| 426 | Medical Technology | 30 | 1.4K | 296 | 184 |
| 427 | Quantum Computing | 38 | 1.4K | 5 | 8 |
| 428 | Mental illness | 48 | 1.4K | 381 | 575 |
| 429 | impact | 20 | 1.4K | 68 | 38 |
| 430 | emergency management | 22 | 1.4K | 103 | 42 |
| 431 | Algae | 24 | 1.4K | 188 | 109 |
| 432 | Developmental Biology | 31 | 1.4K | 546 | 634 |
| 433 | Human-Computer Interaction | 68 | 1.4K | 71 | 173 |
| 434 | older people | 138 | 1.4K | 108 | 165 |
| 435 | Photochemistry | 35 | 1.4K | 313 | 234 |
| 436 | Enzyme | 16 | 1.4K | 94 | 29 |
| 437 | Functional Analysis | 78 | 1.4K | 70 | 106 |
| 438 | Seaweed | 21 | 1.4K | 134 | 77 |
| 439 | International Relations | 63 | 1.4K | 134 | 128 |
| 440 | Land use | 32 | 1.4K | 146 | 114 |
| 441 | Analytical Biochemistry | 36 | 1.4K | 281 | 247 |
| 442 | Mineralogy | 38 | 1.4K | 341 | 316 |
| 443 | Comparative Physiology | 46 | 1.4K | 85 | 122 |
| 444 | Statistical models | 28 | 1.3K | 7 | 3 |
| 445 | Hematology | 53 | 1.3K | 763 | 920 |
| 446 | Food Microbiology | 14 | 1.3K | 487 | 258 |
| 447 | software | 37 | 1.3K | 71 | 92 |
| 448 | Business | 29 | 1.3K | 580 | 558 |
| 449 | Ecohydrology | 47 | 1.3K | 4 | 6 |
| 450 | Stochastic Processes | 88 | 1.3K | 7 | 30 |
| 451 | Neuromuscular diseases | 24 | 1.3K | 140 | 97 |
| 452 | cell physiology | 27 | 1.3K | 413 | 463 |
| 453 | Leadership | 14 | 1.3K | 103 | 96 |
| 454 | Political Science | 50 | 1.3K | 358 | 292 |
| 454 | Lipids | 15 | 1.3K | 486 | 295 |
| 456 | Petrology | 28 | 1.3K | 307 | 280 |
| 457 | Electrochemical Analysis | 55 | 1.3K | 168 | 217 |
| 458 | Metallography | 32 | 1.3K | 117 | 52 |
| 459 | Transportation Engineering | 48 | 1.3K | 26 | 35 |
| 459 | Personality Assessment | 14 | 1.3K | 186 | 104 |
| 461 | Algebra | 138 | 1.3K | 51 | 76 |
| 461 | Emotions | 30 | 1.3K | 103 | 139 |
| 463 | Cosmology | 79 | 1.3K | 115 | 162 |
| 464 | Long-Term Care | 73 | 1.3K | 17 | 110 |
| 464 | Long-term care facilities | 73 | 1.3K | 17 | 110 |
| 466 | Computational Linguistics | 42 | 1.3K | 12 | 4 |
| 467 | Visual Perception | 66 | 1.3K | 221 | 359 |
| 468 | Waste management | 62 | 1.2K | 86 | 125 |
| 469 | Traffic Engineering | 38 | 1.2K | 23 | 48 |
| 470 | Wildlife conservation | 16 | 1.2K | 428 | 312 |
| 471 | Proteome | 24 | 1.2K | 287 | 277 |
| 472 | Fluid Dynamics | 56 | 1.2K | 140 | 173 |
| 473 | pain | 16 | 1.2K | 516 | 338 |
| 474 | Group decision making | 36 | 1.2K | 26 | 35 |
| 475 | Photography | 271 | 1.2K | 91 | 82 |
| 476 | Adolescent Medicine | 9 | 1.2K | 251 | 178 |
| 477 | Intelligence | 23 | 1.2K | 38 | 46 |
| 478 | Business Ethics | 33 | 1.2K | 102 | 262 |
| 478 | Ultrasound | 48 | 1.2K | 77 | 93 |
| 480 | Geotechnical Engineering | 44 | 1.2K | 87 | 112 |
| 481 | behavior therapy | 24 | 1.2K | 244 | 192 |
| 482 | Pharmaceutical Technology | 20 | 1.2K | 479 | 284 |
| 483 | genome | 32 | 1.2K | 365 | 588 |
| 484 | Rural Development | 19 | 1.2K | 99 | 50 |
| 485 | Anthropology | 95 | 1.1K | 154 | 232 |
| 486 | occupational diseases | 27 | 1.1K | 156 | 138 |
| 487 | Hydrogeology | 59 | 1.1K | 42 | 59 |
| 487 | Social policy | 63 | 1.1K | 62 | 99 |
| 489 | Mental Health | 59 | 1.1K | 201 | 253 |
| 490 | Language Disorders | 17 | 1.1K | 295 | 144 |
| 491 | biological evolution | 24 | 1.1K | 684 | 731 |
| 492 | Virulence | 5 | 1.1K | 857 | 468 |
| 493 | Philosophy | 96 | 1.1K | 224 | 163 |
| 494 | Psychopharmacology | 27 | 1.1K | 433 | 498 |
| 494 | Alzheimer's disease | 94 | 1.1K | 193 | 273 |
| 496 | Sarcopenia | 8 | 1.1K | 149 | 56 |
| 497 | Urban Policy | 34 | 1.1K | 70 | 88 |
| 498 | Measurement | 57 | 1.1K | 85 | 126 |
| 499 | food technology | 31 | 1.1K | 656 | 628 |
| 499 | microwave communication systems | 55 | 1.1K | 27 | 42 |
| 501 | Genetics | 43 | 1.1K | 954 | 1519 |
| 502 | Product life cycle | 14 | 1.1K | 63 | 48 |
| 503 | Agricultural Chemistry | 21 | 1.1K | 794 | 573 |
| 503 | Memory disorders | 21 | 1.1K | 22 | 19 |
| 505 | Chemotherapy | 19 | 1.1K | 441 | 265 |
| 506 | behavioral medicine | 29 | 1.1K | 290 | 362 |
| 507 | green products | 13 | 1.1K | 61 | 48 |
| 508 | Health Services Administration | 37 | 1.1K | 127 | 144 |
| 509 | Electronic Packaging | 34 | 1.1K | 30 | 20 |
| 510 | Quantum Communication | 24 | 1.1K | 9 | 18 |
| 511 | Cellulose | 11 | 1.1K | 201 | 92 |
| 512 | Hazardous waste | 18 | 1.1K | 199 | 190 |
| 513 | data protection | 59 | 1.1K | 3 | 26 |
| 514 | structural stability | 33 | 1.1K | 44 | 52 |
| 515 | Molecular Microbiology | 4 | 1.0K | 740 | 357 |
| 516 | innovation | 10 | 1.0K | 247 | 200 |
| 517 | Organometallic compounds | 20 | 1.0K | 426 | 244 |
| 518 | health behavior | 25 | 1.0K | 221 | 182 |
| 519 | Occupational Therapy | 60 | 1.0K | 101 | 78 |
| 520 | Drug delivery systems | 28 | 1.0K | 293 | 405 |
| 520 | Quality of life | 43 | 1.0K | 165 | 306 |
| 522 | Data Mining | 33 | 1.0K | 215 | 387 |
| 523 | Human physiology | 25 | 1.0K | 7 | 1 |
| 524 | Food Policy | 8 | 1.0K | 132 | 45 |
| 525 | Wetland ecology | 36 | 1.0K | 24 | 31 |
| 526 | Reading | 7 | 1.0K | 351 | 91 |
| 527 | Greenhouse gases | 21 | 998 | 63 | 63 |
| 528 | agricultural policy | 6 | 994 | 118 | 33 |
| 529 | Radiography | 20 | 993 | 238 | 283 |
| 530 | radioactive waste | 13 | 992 | 226 | 188 |
| 530 | industrial waste | 14 | 992 | 222 | 190 |
| 530 | health services | 37 | 992 | 166 | 163 |
| 533 | Speech Perception | 26 | 991 | 48 | 79 |
| 533 | auditory perception | 26 | 991 | 57 | 88 |
| 535 | Highway Engineering | 48 | 988 | 21 | 34 |
| 536 | Radio frequency | 40 | 986 | 54 | 73 |
| 537 | India | 40 | 980 | 159 | 42 |
| 538 | protein | 39 | 979 | 211 | 310 |
| 539 | Public Administration | 61 | 971 | 173 | 238 |
| 539 | Bacterial diseases | 2 | 971 | 379 | 16 |
| 541 | Ferroelectricity | 37 | 967 | 185 | 112 |
| 542 | nucleic acids | 14 | 962 | 832 | 800 |
| 543 | Zoology | 60 | 955 | 441 | 567 |
| 543 | Socialization | 28 | 955 | 76 | 113 |
| 545 | Venture Capital | 5 | 953 | 179 | 154 |
| 546 | International Finance | 39 | 950 | 252 | 324 |
| 547 | Porous materials | 38 | 947 | 48 | 49 |
| 548 | Ecosystem management | 40 | 941 | 52 | 135 |
| 549 | Raman spectroscopy | 64 | 933 | 21 | 77 |
| 550 | natural gas | 39 | 928 | 48 | 63 |
| 551 | Child | 44 | 920 | 481 | 563 |
| 552 | counseling | 24 | 919 | 363 | 268 |
| 553 | Decision Support Systems | 33 | 917 | 7 | 9 |
| 554 | Geriatric Psychiatry | 27 | 916 | 238 | 228 |
| 554 | water resources | 24 | 916 | 44 | 32 |
| 556 | Geometry | 85 | 914 | 70 | 91 |
| 557 | Aquaculture | 27 | 910 | 394 | 367 |
| 558 | Medical genetics | 13 | 907 | 1413 | 1254 |
| 558 | industrial hygiene | 60 | 907 | 61 | 70 |
| 560 | Technology Assessment | 16 | 904 | 19 | 15 |
| 560 | Cost effectiveness | 16 | 904 | 10 | 7 |
| 560 | Social work | 42 | 904 | 260 | 213 |
| 563 | planning | 47 | 889 | 29 | 51 |
| 564 | electric vehicles | 19 | 883 | 70 | 38 |
| 565 | Writing | 6 | 877 | 144 | 31 |
| 566 | bioclimatology | 19 | 870 | 170 | 123 |
| 567 | Structural design | 45 | 866 | 36 | 82 |
| 567 | Cell differentiation | 28 | 866 | 503 | 776 |
| 569 | Learning disabilities | 6 | 863 | 536 | 149 |
| 570 | Water Purification | 33 | 858 | 174 | 160 |
| 571 | Peasants | 5 | 854 | 42 | 7 |
| 572 | Combinatorial chemistry | 23 | 851 | 184 | 245 |
| 573 | Atomic spectroscopy | 30 | 850 | 239 | 210 |
| 574 | Econometrics | 61 | 837 | 170 | 354 |
| 575 | feeding behavior | 19 | 833 | 179 | 181 |
| 576 | Forecasting | 21 | 822 | 65 | 82 |
| 577 | Pharmacy management | 31 | 816 | 26 | 17 |
| 577 | Calorimetry | 23 | 816 | 209 | 108 |
| 577 | Thermal analysis | 23 | 816 | 209 | 108 |
| 580 | Educational Psychology | 21 | 812 | 467 | 407 |
| 581 | Proteomics | 18 | 809 | 314 | 312 |
| 582 | hazard mitigation | 22 | 804 | 132 | 140 |
| 583 | Information Systems | 38 | 801 | 159 | 268 |
| 583 | drug control | 20 | 801 | 68 | 50 |
| 585 | Rheumatology | 12 | 798 | 547 | 413 |
| 586 | Mycology | 34 | 795 | 354 | 497 |
| 587 | Neurochemistry | 28 | 794 | 768 | 892 |
| 588 | Catalysts | 39 | 793 | 50 | 101 |
| 589 | Cancer | 21 | 792 | 1455 | 1561 |
| 590 | health services accessibility | 38 | 791 | 113 | 170 |
| 590 | Evolution | 27 | 791 | 560 | 737 |
| 592 | Soil ecology | 10 | 787 | 345 | 197 |
| 593 | Paleoecology | 14 | 785 | 445 | 325 |
| 594 | Pathology | 11 | 784 | 1246 | 852 |
| 594 | Neurobiology | 20 | 784 | 670 | 786 |
| 594 | Plant Ecology | 20 | 784 | 646 | 692 |
| 597 | Lightweight concrete | 7 | 780 | 217 | 152 |
| 598 | Smart Materials | 34 | 778 | 81 | 128 |
| 599 | organization | 17 | 777 | 249 | 317 |
| 600 | Photobiology | 16 | 769 | 440 | 262 |
| 601 | Physical Geography | 22 | 766 | 82 | 62 |
| 602 | Eating Disorders | 27 | 762 | 190 | 232 |
| 603 | Molecular structure | 38 | 761 | 483 | 735 |
| 604 | Technological Innovations | 22 | 756 | 168 | 148 |
| 605 | Molecular Genetics | 11 | 755 | 958 | 743 |
| 606 | atmosphere | 21 | 749 | 169 | 148 |
| 607 | Cognitive Radio Networks | 27 | 748 | 12 | 20 |
| 608 | Geographic information systems | 45 | 745 | 84 | 114 |
| 609 | Nuclear Engineering | 37 | 743 | 433 | 342 |
| 610 | Australia | 48 | 741 | 245 | 335 |
| 611 | visualization | 57 | 740 | 205 | 212 |
| 612 | polar regions | 32 | 739 | 110 | 129 |
| 613 | multimedia | 12 | 737 | 202 | 139 |
| 613 | Interactive multimedia | 13 | 737 | 221 | 142 |
| 615 | Optoelectronic devices | 37 | 736 | 68 | 49 |
| 616 | drug development | 3 | 731 | 1078 | 523 |
| 617 | Sleep | 17 | 729 | 634 | 479 |
| 618 | Climate | 12 | 727 | 183 | 119 |
| 619 | drugs | 29 | 724 | 548 | 592 |
| 620 | Biogeography | 12 | 723 | 453 | 454 |
| 621 | Feeding and Eating Disorders | 25 | 721 | 189 | 231 |
| 622 | Flexible manufacturing systems | 23 | 718 | 28 | 33 |
| 622 | weather | 12 | 718 | 162 | 81 |
| 624 | Attention | 52 | 715 | 289 | 535 |
| 625 | Risk Management | 30 | 714 | 70 | 124 |
| 626 | Environmental Economics | 17 | 711 | 57 | 69 |
| 626 | Paleogeography | 12 | 711 | 423 | 313 |
| 628 | Mental Health Services | 27 | 705 | 313 | 296 |
| 629 | human development | 31 | 704 | 140 | 233 |
| 630 | plant molecular biology | 12 | 703 | 747 | 787 |
| 631 | Criminology | 48 | 702 | 138 | 207 |
| 632 | Communication in medicine | 24 | 701 | 110 | 108 |
| 633 | Therapeutics | 25 | 698 | 465 | 655 |
| 633 | Health Risk Assessment | 18 | 698 | 51 | 18 |
| 635 | Multivariate Analysis | 42 | 694 | 26 | 94 |
| 636 | Radio wave propagation | 56 | 693 | 68 | 107 |
| 637 | Ceramics | 17 | 692 | 562 | 383 |
| 637 | Glass | 16 | 692 | 422 | 346 |
| 637 | pottery | 16 | 692 | 417 | 336 |
| 640 | Histology | 12 | 689 | 918 | 700 |
| 641 | Appetite | 16 | 687 | 173 | 173 |
| 642 | Water Conservation | 51 | 686 | 1 | 4 |
| 642 | machinery | 27 | 686 | 109 | 109 |
| 644 | Vaccines | 29 | 684 | 492 | 612 |
| 645 | microwave antennas | 36 | 682 | 25 | 25 |
| 646 | Dietetics | 32 | 677 | 116 | 139 |
| 647 | Social Change | 11 | 676 | 383 | 341 |
| 648 | Magnetic Resonance Spectroscopy | 49 | 674 | 199 | 316 |
| 649 | Surface properties | 33 | 660 | 112 | 322 |
| 649 | plant communities | 17 | 660 | 418 | 498 |
| 651 | Auditing | 12 | 658 | 105 | 70 |
| 652 | Systems Analysis | 57 | 645 | 56 | 179 |
| 653 | Anxiety Disorders | 16 | 639 | 162 | 258 |
| 653 | Anxiety | 16 | 639 | 164 | 259 |
| 653 | Development | 17 | 639 | 210 | 265 |
| 656 | Psychosomatic Medicine | 14 | 638 | 266 | 270 |
| 657 | Molecular evolution | 12 | 634 | 675 | 617 |
| 658 | Computational Fluid Dynamics | 24 | 633 | 118 | 113 |
| 659 | Wetland conservation | 25 | 631 | 29 | 53 |
| 659 | Wetlands | 25 | 631 | 29 | 53 |
| 661 | Petroleum | 31 | 626 | 38 | 15 |
| 662 | Computational Complexity | 66 | 623 | 22 | 76 |
| 662 | Economic Assistance | 13 | 623 | 219 | 236 |
| 664 | Histochemistry | 4 | 622 | 938 | 263 |
| 665 | Sleep Disorders | 14 | 620 | 723 | 533 |
| 666 | Nanoelectronics | 53 | 619 | 82 | 111 |
| 667 | Patient education | 8 | 614 | 301 | 196 |
| 668 | Elderly | 110 | 613 | 103 | 163 |
| 669 | Body Image | 16 | 611 | 39 | 48 |
| 670 | Fractals | 48 | 609 | 84 | 241 |
| 671 | Nutrition physiology | 18 | 606 | 178 | 229 |
| 672 | nuclear magnetic resonance | 47 | 604 | 200 | 328 |
| 673 | Global Health | 38 | 602 | 126 | 169 |
| 673 | Risk | 26 | 602 | 75 | 168 |
| 675 | Critical Care | 4 | 600 | 1375 | 821 |
| 676 | Lattice Theory | 68 | 595 | 3 | 6 |
| 677 | Social behavior | 30 | 594 | 256 | 415 |
| 678 | Regional Development | 32 | 589 | 10 | 36 |
| 679 | Small Business | 10 | 588 | 335 | 378 |
| 680 | Knowledge | 21 | 587 | 112 | 71 |
| 681 | ecological risk assessment | 13 | 586 | 35 | 17 |
| 681 | data collection | 16 | 586 | 251 | 392 |
| 683 | Computer Engineering | 47 | 581 | 34 | 92 |
| 684 | motivation | 17 | 576 | 63 | 94 |
| 685 | Anatomy | 22 | 573 | 672 | 738 |
| 686 | Superconductors | 51 | 571 | 168 | 207 |
| 687 | Critical Care Medicine | 3 | 570 | 1416 | 843 |
| 688 | Financial Engineering | 14 | 568 | 9 | 12 |
| 689 | Number Theory | 91 | 564 | 14 | 35 |
| 689 | Forest Ecology | 15 | 564 | 400 | 415 |
| 691 | Discrete geometry | 36 | 563 | 24 | 32 |
| 692 | Language Acquisition | 19 | 561 | 96 | 102 |
| 693 | Microbial Metabolism | 4 | 558 | 120 | 16 |
| 694 | Economic Geography | 21 | 556 | 42 | 60 |
| 694 | Family | 17 | 556 | 311 | 262 |
| 696 | Water Microbiology | 14 | 551 | 70 | 71 |
| 697 | Allergy | 19 | 545 | 409 | 765 |
| 698 | Logistics | 17 | 538 | 92 | 156 |
| 699 | biological factors | 17 | 537 | 694 | 659 |
| 700 | Relationships | 13 | 531 | 25 | 40 |
| 701 | Language Development | 17 | 530 | 40 | 56 |
| 702 | Welding | 29 | 528 | 31 | 8 |
| 703 | Population Genetics | 8 | 527 | 716 | 577 |
| 704 | prostaglandins | 16 | 525 | 123 | 101 |
| 705 | Molecular Pharmacology | 11 | 521 | 319 | 328 |
| 705 | Geobiology | 23 | 521 | 82 | 129 |
| 707 | environmental indicators | 19 | 518 | 234 | 434 |
| 707 | biological invasions | 15 | 518 | 151 | 173 |
| 709 | biological monitoring | 28 | 512 | 40 | 106 |
| 710 | Probability | 35 | 511 | 58 | 166 |
| 711 | Liposomes | 13 | 510 | 158 | 169 |
| 711 | Lipid bilayers | 13 | 510 | 130 | 157 |
| 713 | solar cells | 13 | 505 | 326 | 391 |
| 714 | Public opinion | 9 | 502 | 199 | 102 |
| 715 | Metallic Glasses | 18 | 501 | 108 | 128 |
| 716 | Feminism | 11 | 500 | 238 | 100 |
| 717 | Forest Management | 14 | 497 | 398 | 421 |
| 718 | children | 23 | 494 | 108 | 175 |
| 719 | solar power | 12 | 492 | 287 | 341 |
| 720 | Periglacial processes | 10 | 491 | 37 | 39 |
| 720 | Permafrost | 10 | 491 | 37 | 39 |
| 720 | Frozen ground | 10 | 491 | 39 | 39 |
| 723 | Social Entrepreneurship | 9 | 490 | 10 | 6 |
| 723 | Marine resources | 16 | 490 | 143 | 149 |
| 725 | Informatics | 30 | 485 | 99 | 286 |
| 726 | Systems Biology | 27 | 483 | 346 | 553 |
| 726 | Marine Pollution | 7 | 483 | 757 | 535 |
| 728 | Coastal zone management | 19 | 482 | 112 | 149 |
| 728 | Solitons | 35 | 482 | 98 | 262 |
| 728 | Chaos | 35 | 482 | 98 | 262 |
| 731 | Cognitive Therapy | 12 | 478 | 246 | 203 |
| 732 | Globalization | 24 | 477 | 62 | 112 |
| 733 | disabilities | 23 | 475 | 153 | 187 |
| 734 | free radicals | 8 | 474 | 827 | 790 |
| 735 | infection | 15 | 471 | 668 | 779 |
| 736 | Foodborne diseases | 4 | 466 | 191 | 50 |
| 737 | Pharmacokinetics | 19 | 465 | 213 | 309 |
| 737 | breastfeeding | 7 | 465 | 254 | 92 |
| 739 | Discrete Mathematics | 36 | 462 | 9 | 8 |
| 739 | graph | 36 | 462 | 9 | 8 |
| 739 | Ore deposits | 12 | 462 | 217 | 198 |
| 742 | Freeze-Drying | 32 | 461 | 20 | 69 |
| 742 | Hypothermia | 32 | 461 | 20 | 69 |
| 742 | Freeze Drying | 32 | 461 | 20 | 69 |
| 745 | economic forecasting | 9 | 459 | 102 | 101 |
| 745 | Drug design | 19 | 459 | 535 | 686 |
| 747 | Urban Planning | 16 | 458 | 73 | 107 |
| 747 | Random graphs | 29 | 458 | 26 | 36 |
| 749 | Paleontology | 15 | 453 | 565 | 458 |
| 749 | Restoration Ecology | 27 | 453 | 40 | 134 |
| 749 | Microscopy | 32 | 453 | 314 | 452 |
| 752 | race relations | 8 | 451 | 305 | 147 |
| 753 | Educational Technology | 10 | 450 | 767 | 476 |
| 754 | Diabetes mellitus | 12 | 448 | 1003 | 1145 |
| 754 | Genetic regulation | 15 | 448 | 431 | 662 |
| 756 | Combinatorial optimization | 26 | 447 | 34 | 23 |
| 756 | chronic disease | 26 | 447 | 45 | 101 |
| 758 | Schizophrenia | 15 | 446 | 433 | 519 |
| 758 | drug abuse | 21 | 446 | 155 | 171 |
| 760 | Strategic planning | 13 | 445 | 213 | 232 |
| 761 | Diabetes | 16 | 443 | 909 | 1195 |
| 762 | environmental remediation | 13 | 442 | 37 | 35 |
| 763 | Human Rights | 15 | 441 | 150 | 95 |
| 763 | Ethnic relations | 10 | 441 | 232 | 87 |
| 765 | Architecture | 26 | 437 | 97 | 78 |
| 766 | Marine mammals | 11 | 436 | 91 | 74 |
| 767 | Adolescent | 29 | 434 | 508 | 768 |
| 768 | Social welfare | 14 | 433 | 195 | 138 |
| 769 | libraries | 10 | 430 | 313 | 91 |
| 770 | Environmentalism | 8 | 429 | 46 | 44 |
| 771 | role | 13 | 427 | 120 | 177 |
| 772 | Transport | 16 | 426 | 170 | 237 |
| 773 | Fishery resources | 13 | 425 | 199 | 203 |
| 774 | rivers | 19 | 424 | 29 | 72 |
| 775 | Mining Engineering | 17 | 422 | 149 | 190 |
| 776 | Nanochemistry | 23 | 420 | 234 | 275 |
| 776 | construction | 19 | 420 | 25 | 52 |
| 778 | Corporate governance | 8 | 416 | 217 | 137 |
| 779 | Developmental Genetics | 9 | 414 | 285 | 428 |
| 779 | thinking | 3 | 414 | 239 | 51 |
| 781 | Biomolecules | 6 | 413 | 269 | 202 |
| 781 | Population | 34 | 413 | 159 | 340 |
| 783 | Genetic engineering | 17 | 412 | 862 | 1198 |
| 784 | Tunneling | 14 | 408 | 98 | 153 |
| 784 | underground construction | 14 | 408 | 98 | 153 |
| 786 | Molecular ecology | 4 | 407 | 934 | 695 |
| 786 | Teaching | 22 | 407 | 492 | 557 |
| 788 | community participation | 7 | 405 | 48 | 18 |
| 788 | Faculty | 7 | 405 | 48 | 18 |
| 790 | Soil dynamics | 14 | 403 | 146 | 153 |
| 790 | Radiation effects | 5 | 403 | 414 | 243 |
| 792 | Ethics | 30 | 402 | 168 | 222 |
| 793 | Cytogenetics | 6 | 397 | 1091 | 962 |
| 793 | elasticity | 14 | 397 | 47 | 41 |
| 793 | Diplomatic relations | 73 | 397 | 51 | 61 |
| 796 | Embryology | 11 | 396 | 790 | 944 |
| 797 | Organometallic chemistry | 16 | 393 | 798 | 653 |
| 798 | Orthopedics | 12 | 390 | 768 | 693 |
| 798 | Biopharmaceutics | 10 | 390 | 552 | 508 |
| 800 | Surface-Active Agents | 11 | 387 | 423 | 494 |
| 800 | Multiphase Flow | 13 | 387 | 116 | 153 |
| 800 | Protozoa | 10 | 387 | 175 | 168 |
| 803 | supercritical fluids | 12 | 386 | 137 | 159 |
| 804 | Women's health | 12 | 385 | 487 | 392 |
| 805 | Marine Meteorology | 17 | 384 | 134 | 185 |
| 806 | Pharmacognosy | 6 | 379 | 1346 | 962 |
| 806 | wetland management | 11 | 379 | 18 | 25 |
| 808 | Religion | 97 | 378 | 37 | 82 |
| 809 | Financial management | 22 | 377 | 66 | 228 |
| 810 | Host-parasite interactions | 4 | 371 | 1036 | 963 |
| 811 | Ethnic Conflict | 5 | 370 | 176 | 68 |
| 811 | forced migration | 5 | 370 | 176 | 68 |
| 813 | Optical Communications | 25 | 369 | 160 | 227 |
| 813 | Semiconductor industry | 19 | 369 | 172 | 153 |
| 815 | Requirements Engineering | 14 | 368 | 3 | 16 |
| 815 | marketing | 17 | 368 | 722 | 922 |
| 817 | Structural optimization | 14 | 367 | 108 | 136 |
| 817 | disease outbreaks | 5 | 367 | 410 | 254 |
| 817 | Epidemics | 5 | 367 | 394 | 252 |
| 820 | Tribology | 17 | 366 | 428 | 462 |
| 821 | Nonlinear mechanics | 25 | 365 | 36 | 93 |
| 822 | harm reduction | 12 | 364 | 46 | 41 |
| 823 | Embedded Systems | 31 | 363 | 4 | 35 |
| 824 | Environmental Law | 12 | 361 | 424 | 803 |
| 825 | Immunity | 4 | 359 | 1679 | 1541 |
| 826 | Sea | 11 | 356 | 198 | 216 |
| 827 | Organizational Sociology | 3 | 355 | 346 | 105 |
| 828 | Distributed Databases | 15 | 354 | 20 | 30 |
| 828 | Entomology | 21 | 354 | 880 | 875 |
| 830 | Japan | 8 | 353 | 1228 | 557 |
| 830 | Landslides | 8 | 353 | 92 | 122 |
| 832 | Library Science | 17 | 352 | 346 | 156 |
| 833 | Nondestructive testing | 14 | 351 | 202 | 198 |
| 834 | Housing | 13 | 348 | 132 | 168 |
| 835 | Welfare Economics | 13 | 347 | 133 | 179 |
| 836 | Clinical Trials | 10 | 342 | 217 | 167 |
| 837 | Humanities | 20 | 339 | 464 | 302 |
| 837 | Quality Management | 47 | 339 | 8 | 20 |
| 837 | Urban Geography | 10 | 339 | 83 | 70 |
| 840 | History | 79 | 338 | 136 | 100 |
| 841 | Social Choice Theory | 12 | 336 | 55 | 39 |
| 841 | Freshwater invertebrates | 8 | 336 | 84 | 99 |
| 843 | Microprocessors | 14 | 334 | 166 | 130 |
| 843 | Industry | 5 | 334 | 80 | 117 |
| 845 | Pediatric Neurology | 4 | 329 | 826 | 818 |
| 846 | Oxidative stress | 10 | 327 | 562 | 763 |
| 847 | Imaging systems | 16 | 326 | 161 | 122 |
| 848 | Bifurcation Theory | 17 | 324 | 151 | 159 |
| 848 | Feasibility studies | 13 | 324 | 66 | 34 |
| 850 | Phytochemistry | 5 | 323 | 134 | 48 |
| 850 | Phytoremediation | 5 | 323 | 134 | 48 |
| 850 | Bioreactors | 5 | 323 | 134 | 48 |
| 853 | Geopolitics | 5 | 321 | 162 | 38 |
| 853 | Sovereignty | 5 | 321 | 52 | 18 |
| 855 | Crime prevention | 21 | 318 | 39 | 45 |
| 855 | Solutions | 16 | 318 | 62 | 64 |
| 857 | Mechanics | 29 | 317 | 271 | 434 |
| 858 | Computer Architecture | 24 | 316 | 82 | 116 |
| 858 | Developmental Disabilities | 12 | 316 | 435 | 548 |
| 860 | Cognitive Behavioral Therapy | 5 | 314 | 156 | 83 |
| 860 | Environmental risk assessment | 11 | 314 | 103 | 104 |
| 862 | Obstetrics | 10 | 313 | 1276 | 1155 |
| 862 | Thorax | 3 | 313 | 426 | 252 |
| 864 | Particle Physics | 23 | 312 | 157 | 264 |
| 865 | Intelligent Control Systems | 32 | 309 | 109 | 215 |
| 866 | Organizational change | 15 | 308 | 165 | 268 |
| 867 | soil pollution | 11 | 307 | 141 | 141 |
| 868 | Heritage Tourism | 14 | 305 | 5 | 9 |
| 868 | cultural tourism | 14 | 305 | 5 | 9 |
| 870 | Criminal psychology | 13 | 304 | 304 | 330 |
| 871 | Qualitative Research | 19 | 303 | 112 | 181 |
| 872 | community development | 16 | 302 | 141 | 166 |
| 872 | Queuing Theory | 16 | 302 | 28 | 32 |
| 874 | Social interaction | 10 | 298 | 122 | 145 |
| 875 | Operator theory | 24 | 297 | 31 | 34 |
| 875 | Sonochemistry | 8 | 297 | 252 | 377 |
| 877 | Microcirculation | 11 | 295 | 160 | 183 |
| 877 | blood transfusion | 22 | 295 | 212 | 305 |
| 879 | System design | 23 | 294 | 25 | 67 |
| 880 | Environmental Education | 13 | 293 | 93 | 111 |
| 881 | Hormones | 8 | 292 | 786 | 795 |
| 882 | adolescence | 17 | 291 | 291 | 485 |
| 883 | Terahertz Technology | 13 | 290 | 30 | 51 |
| 884 | Gene expression regulation | 12 | 289 | 415 | 608 |
| 885 | Neuropsychiatry | 12 | 288 | 373 | 452 |
| 885 | Corporate Social Responsibility | 6 | 288 | 96 | 150 |
| 885 | environmental auditing | 6 | 288 | 99 | 153 |
| 888 | Sports Psychology | 10 | 286 | 35 | 60 |
| 888 | Demography | 9 | 286 | 322 | 339 |
| 888 | Electromagnetic compatibility | 11 | 286 | 163 | 130 |
| 888 | Virology | 6 | 286 | 2229 | 2431 |
| 892 | Phylogeny | 4 | 284 | 786 | 603 |
| 893 | Exercise therapy | 7 | 283 | 169 | 75 |
| 893 | Parasitology | 9 | 283 | 1489 | 1260 |
| 895 | Plant Genetics | 3 | 281 | 681 | 514 |
| 896 | Social perception | 9 | 280 | 36 | 59 |
| 896 | Business communication | 7 | 280 | 74 | 42 |
| 898 | Animal ecology | 12 | 279 | 557 | 648 |
| 898 | Quantum Optics | 15 | 279 | 326 | 352 |
| 898 | Soil fertility | 4 | 279 | 258 | 206 |
| 898 | Hearing | 19 | 279 | 215 | 295 |
| 902 | Iron | 3 | 278 | 346 | 123 |
| 903 | Behavioral research | 6 | 277 | 248 | 88 |
| 903 | Insect biochemistry | 11 | 277 | 181 | 254 |
| 905 | Written communication | 6 | 276 | 40 | 41 |
| 906 | Emotion | 10 | 275 | 61 | 137 |
| 906 | sports administration | 18 | 275 | 42 | 83 |
| 908 | Consumer education | 3 | 274 | 305 | 134 |
| 909 | Entropy | 26 | 273 | 143 | 306 |
| 910 | Food additives | 8 | 272 | 658 | 725 |
| 911 | Asthma | 10 | 271 | 258 | 218 |
| 911 | families | 11 | 271 | 370 | 306 |
| 911 | Allergies | 10 | 271 | 24 | 40 |
| 914 | drainage | 4 | 270 | 327 | 85 |
| 915 | Liver diseases | 3 | 269 | 1414 | 1159 |
| 916 | environmental issues | 9 | 268 | 148 | 193 |
| 917 | Organic Geochemistry | 5 | 267 | 272 | 270 |
| 918 | Research methodology | 3 | 265 | 87 | 41 |
| 919 | consumer behavior | 6 | 263 | 304 | 292 |
| 919 | Bioethics | 17 | 263 | 282 | 299 |
| 919 | Crisis management | 6 | 263 | 50 | 31 |
| 922 | Aerosols | 15 | 261 | 186 | 271 |
| 923 | Nuclear Chemistry | 11 | 260 | 528 | 391 |
| 924 | Political Psychology | 5 | 258 | 250 | 208 |
| 924 | soil conservation | 8 | 258 | 374 | 390 |
| 924 | Chemical processes | 17 | 258 | 159 | 251 |
| 927 | Nursing | 15 | 256 | 718 | 672 |
| 927 | Infrared spectroscopy | 2 | 256 | 423 | 81 |
| 927 | Chemical industry | 15 | 256 | 477 | 494 |
| 930 | Laser Spectroscopy | 15 | 255 | 297 | 350 |
| 931 | Geriatric Nursing | 9 | 253 | 166 | 78 |
| 931 | Industrial Ecology | 10 | 253 | 48 | 121 |
| 931 | Bioremediation | 14 | 253 | 150 | 418 |
| 931 | crime | 21 | 253 | 181 | 265 |
| 935 | Landscape Ecology | 7 | 252 | 248 | 288 |
| 935 | Cell survival | 7 | 252 | 68 | 89 |
| 935 | technical education | 21 | 252 | 114 | 217 |
| 935 | molecular chaperones | 7 | 252 | 82 | 89 |
| 939 | Organizational learning | 4 | 251 | 300 | 87 |
| 939 | Synaptic Transmission | 2 | 251 | 606 | 272 |
| 939 | muscle strength | 4 | 251 | 40 | 24 |
| 942 | Sedimentology | 14 | 250 | 179 | 336 |
| 943 | Adhesion | 12 | 249 | 174 | 196 |
| 943 | adhesives | 12 | 249 | 190 | 198 |
| 945 | psychophysics | 19 | 248 | 57 | 112 |
| 946 | Virtual reality | 20 | 246 | 44 | 182 |
| 946 | stability | 19 | 246 | 4 | 4 |
| 948 | Vocational guidance | 7 | 244 | 504 | 520 |
| 948 | Heterocyclic compounds | 4 | 244 | 896 | 265 |
| 950 | Sociolinguistics | 12 | 243 | 154 | 180 |
| 951 | Clinical Immunology | 6 | 242 | 882 | 774 |
| 951 | Counseling Psychology | 4 | 242 | 179 | 126 |
| 951 | Homeostasis | 3 | 242 | 430 | 756 |
| 951 | Employee selection | 3 | 242 | 113 | 48 |
| 955 | Bioinorganic chemistry | 13 | 241 | 668 | 808 |
| 955 | Cell metabolism | 1 | 241 | 1180 | 823 |
| 955 | Solar System | 4 | 241 | 689 | 507 |
| 958 | Community Psychology | 7 | 240 | 321 | 350 |
| 958 | Nutritional support | 4 | 240 | 129 | 124 |
| 958 | mammals | 11 | 240 | 471 | 489 |
| 961 | Economic planning | 11 | 239 | 132 | 201 |
| 962 | Social Issues | 8 | 238 | 98 | 130 |
| 962 | Human-robot interaction | 14 | 238 | 2 | 9 |
| 962 | Africa | 37 | 238 | 263 | 506 |
| 965 | Socioeconomic Factors | 11 | 237 | 284 | 375 |
| 966 | biomedicine | 11 | 236 | 302 | 412 |
| 967 | Criminal Law | 5 | 235 | 182 | 90 |
| 967 | Nonprofit organizations | 4 | 235 | 255 | 126 |
| 967 | international cooperation | 18 | 235 | 138 | 297 |
| 970 | Kidney diseases | 7 | 233 | 602 | 570 |
| 971 | Ethnology | 24 | 232 | 366 | 560 |
| 971 | Outdoor recreation | 6 | 232 | 25 | 14 |
| 973 | Ultrasonic Imaging | 15 | 231 | 130 | 230 |
| 973 | smart structures | 3 | 231 | 78 | 4 |
| 975 | Land Use Planning | 9 | 228 | 146 | 236 |
| 975 | investigative techniques | 3 | 228 | 101 | 61 |
| 977 | particles | 18 | 227 | 218 | 453 |
| 978 | Global warming | 5 | 225 | 48 | 62 |
| 978 | Crystal growth | 7 | 225 | 684 | 592 |
| 980 | environmental control | 6 | 224 | 113 | 107 |
| 980 | hydrocolloids | 6 | 224 | 400 | 557 |
| 980 | Water chemistry | 6 | 224 | 103 | 67 |
| 983 | Software Maintenance | 9 | 223 | 28 | 33 |
| 983 | Environmental Psychology | 10 | 223 | 115 | 309 |
| 983 | Geodynamics | 11 | 223 | 446 | 599 |
| 986 | Bones | 10 | 221 | 369 | 632 |
| 987 | Real-time Data Processing | 8 | 220 | 29 | 33 |
| 987 | Adaptive control systems | 20 | 220 | 99 | 186 |
| 987 | primary prevention | 12 | 220 | 130 | 195 |
| 990 | Psychoneuroimmunology | 7 | 219 | 329 | 551 |
| 990 | Neuroimmunology | 7 | 219 | 371 | 589 |
| 992 | air quality management | 2 | 215 | 676 | 289 |
| 992 | Capital asset pricing model | 9 | 215 | 9 | 13 |
| 994 | Social Networks | 8 | 214 | 94 | 159 |
| 994 | Wireless Communication | 11 | 214 | 113 | 105 |
| 996 | Veterinary Immunology | 4 | 213 | 298 | 200 |
| 996 | Photogrammetry | 49 | 213 | 70 | 120 |
| 998 | Adolescent Psychology | 17 | 212 | 266 | 514 |
| 998 | natural products | 3 | 212 | 1851 | 966 |
| 1000 | Climate Change Mitigation | 3 | 211 | 30 | 65 |