| 1 | Chemistry | 2,831 | 159.5K | 96 | 113 |
| 2 | Physics | 2,015 | 122.9K | 196 | 250 |
| 3 | Biology | 469 | 49.6K | 585 | 484 |
| 4 | Biochemistry | 1,442 | 49.0K | 238 | 300 |
| 5 | Solid State Physics | 1,015 | 40.8K | 101 | 91 |
| 6 | Condensed Matter | 837 | 40.0K | 118 | 96 |
| 7 | Materials | 726 | 38.6K | 225 | 202 |
| 8 | Science | 496 | 38.4K | 574 | 579 |
| 9 | Chemical Engineering | 1,099 | 33.2K | 34 | 94 |
| 10 | Catalysis | 460 | 33.0K | 135 | 77 |
| 11 | Microbiology | 389 | 25.0K | 412 | 354 |
| 12 | Biotechnology | 422 | 23.3K | 220 | 237 |
| 13 | Nanotechnology | 380 | 21.2K | 295 | 275 |
| 14 | Water pollution | 236 | 19.9K | 64 | 29 |
| 15 | Ecology | 282 | 19.1K | 477 | 429 |
| 16 | Water | 184 | 18.7K | 106 | 47 |
| 17 | Botany | 662 | 17.2K | 92 | 211 |
| 18 | Natural history | 54 | 17.1K | 745 | 609 |
| 19 | Artificial Intelligence | 211 | 16.8K | 205 | 107 |
| 20 | Molecular Biology | 295 | 16.7K | 760 | 675 |
| 21 | Statistical physics | 595 | 16.7K | 95 | 116 |
| 22 | Biophysics | 376 | 16.3K | 372 | 270 |
| 23 | Mathematics | 1,129 | 16.1K | 88 | 98 |
| 24 | Pollution | 251 | 16.0K | 346 | 313 |
| 25 | Astronomy | 358 | 15.0K | 310 | 357 |
| 26 | Environment | 194 | 14.9K | 393 | 363 |
| 27 | Polymers | 469 | 14.4K | 203 | 232 |
| 28 | Colloids | 424 | 13.6K | 98 | 142 |
| 29 | Energy Conversion | 80 | 13.5K | 113 | 61 |
| 30 | Bioengineering | 281 | 13.4K | 174 | 267 |
| 31 | Biomedical Engineering | 273 | 13.3K | 249 | 172 |
| 32 | Electronics | 234 | 12.6K | 249 | 121 |
| 33 | Environmental Health | 162 | 12.1K | 466 | 303 |
| 34 | Astrophysics | 315 | 11.8K | 342 | 441 |
| 35 | Research | 259 | 11.3K | 781 | 652 |
| 36 | Energy Policy | 160 | 11.3K | 87 | 53 |
| 37 | Optics | 494 | 11.2K | 192 | 190 |
| 38 | Medicine | 224 | 11.1K | 1151 | 968 |
| 39 | Nonlinear Dynamics | 337 | 11.0K | 45 | 46 |
| 40 | Telecommunication | 231 | 10.8K | 125 | 134 |
| 41 | Renewable Energy Sources | 89 | 10.4K | 203 | 113 |
| 42 | Photonics | 232 | 10.2K | 90 | 97 |
| 43 | polymerization | 304 | 10.2K | 228 | 230 |
| 44 | Quantum electronics | 258 | 10.1K | 33 | 20 |
| 45 | Environmental Chemistry | 52 | 9.8K | 267 | 102 |
| 46 | Materials Science | 262 | 9.7K | 359 | 378 |
| 47 | Environmental Policy | 188 | 9.3K | 96 | 147 |
| 48 | Database Management | 233 | 9.2K | 7 | 18 |
| 49 | lasers | 285 | 9.0K | 37 | 25 |
| 50 | Signal Processing | 175 | 9.0K | 195 | 166 |
| 51 | environmental pollution | 134 | 9.0K | 418 | 268 |
| 52 | Databases | 218 | 8.8K | 3 | 2 |
| 53 | fuel cells | 69 | 8.7K | 122 | 68 |
| 54 | Surface Chemistry | 244 | 7.9K | 215 | 247 |
| 55 | Bioenergetics | 141 | 7.9K | 13 | 7 |
| 56 | Energy metabolism | 137 | 7.8K | 11 | 7 |
| 57 | Physical Chemistry | 153 | 7.8K | 128 | 117 |
| 58 | cell membrane | 135 | 7.7K | 8 | 6 |
| 59 | Mathematical Physics | 277 | 7.1K | 106 | 178 |
| 60 | miniaturization | 65 | 7.1K | 266 | 170 |
| 61 | Medical Laboratory Science | 81 | 6.8K | 201 | 115 |
| 62 | Computer Graphics | 119 | 6.8K | 121 | 79 |
| 63 | Environmental monitoring | 93 | 6.5K | 398 | 245 |
| 64 | Evolution | 15 | 6.5K | 814 | 188 |
| 65 | Nuclear Physics | 312 | 6.5K | 568 | 668 |
| 66 | biological evolution | 10 | 6.5K | 1105 | 247 |
| 67 | Organic Chemistry | 94 | 6.4K | 477 | 198 |
| 68 | Environmental Engineering | 105 | 6.4K | 397 | 326 |
| 69 | Electrical Engineering | 270 | 6.2K | 179 | 113 |
| 70 | Genetic algorithms | 4 | 6.2K | 250 | 20 |
| 70 | Evolutionary Computation | 4 | 6.2K | 382 | 23 |
| 72 | Technology | 229 | 6.1K | 187 | 204 |
| 73 | Engineering | 333 | 6.0K | 104 | 152 |
| 74 | Geophysics | 223 | 5.9K | 368 | 448 |
| 75 | Bioorganic chemistry | 65 | 5.9K | 466 | 171 |
| 76 | computer networks | 173 | 5.8K | 97 | 89 |
| 77 | Analytical Chemistry | 181 | 5.8K | 439 | 444 |
| 78 | Microelectronics | 99 | 5.7K | 185 | 192 |
| 79 | Biomass Energy | 37 | 5.6K | 573 | 179 |
| 80 | energy conservation | 95 | 5.5K | 132 | 147 |
| 81 | Food | 194 | 5.5K | 106 | 180 |
| 82 | Wireless Communication Systems | 159 | 5.5K | 156 | 158 |
| 83 | Biochemical Engineering | 122 | 5.4K | 290 | 499 |
| 84 | Optical materials | 109 | 5.4K | 280 | 252 |
| 85 | Manufacturing Processes | 284 | 5.4K | 47 | 96 |
| 86 | Image Processing | 79 | 5.4K | 256 | 177 |
| 87 | Operations Research | 122 | 5.4K | 132 | 112 |
| 88 | Nanostructured Materials | 134 | 5.3K | 355 | 330 |
| 89 | Nervous system | 65 | 5.3K | 358 | 253 |
| 90 | Soil Science | 99 | 5.2K | 140 | 117 |
| 91 | Energy Storage | 76 | 5.1K | 88 | 46 |
| 92 | Product life cycle | 91 | 5.1K | 5 | 11 |
| 93 | green products | 90 | 5.1K | 5 | 11 |
| 94 | Green Chemistry | 66 | 5.0K | 214 | 142 |
| 95 | Production Engineering | 283 | 4.9K | 31 | 45 |
| 96 | Neurology | 58 | 4.9K | 1279 | 917 |
| 97 | nanoscience | 73 | 4.8K | 500 | 395 |
| 98 | Microbial Ecology | 72 | 4.8K | 338 | 331 |
| 99 | energy development | 37 | 4.7K | 49 | 47 |
| 100 | Numerical Analysis | 194 | 4.7K | 38 | 57 |
| 101 | Light | 40 | 4.6K | 124 | 107 |
| 102 | biological factors | 49 | 4.4K | 242 | 49 |
| 103 | Semiconductors | 198 | 4.4K | 43 | 31 |
| 103 | Spectrum analysis | 182 | 4.4K | 380 | 636 |
| 105 | Sustainable Engineering | 57 | 4.4K | 178 | 82 |
| 106 | Information Theory | 128 | 4.4K | 74 | 99 |
| 107 | Radio | 43 | 4.3K | 337 | 174 |
| 108 | Economics | 133 | 4.2K | 541 | 399 |
| 109 | Soft Condensed Matter | 146 | 4.2K | 26 | 42 |
| 110 | Geology | 148 | 4.2K | 379 | 387 |
| 111 | sanitation | 58 | 4.1K | 255 | 284 |
| 112 | Biocompatible Materials | 85 | 4.1K | 695 | 702 |
| 113 | Industrial Engineering | 104 | 4.0K | 110 | 78 |
| 114 | Plastics | 40 | 4.0K | 271 | 32 |
| 115 | Neurophysiology | 43 | 3.9K | 737 | 514 |
| 116 | natural products | 27 | 3.8K | 436 | 65 |
| 117 | Product Design | 218 | 3.7K | 7 | 7 |
| 118 | Earth Sciences | 107 | 3.7K | 376 | 403 |
| 119 | Agricultural Chemistry | 73 | 3.7K | 282 | 193 |
| 120 | Molecular structure | 41 | 3.7K | 444 | 214 |
| 121 | Metallurgy | 121 | 3.6K | 227 | 259 |
| 122 | Electrochemistry | 211 | 3.6K | 306 | 457 |
| 123 | Organometallic compounds | 72 | 3.6K | 79 | 45 |
| 124 | Liquid Crystals | 150 | 3.6K | 19 | 3 |
| 125 | Composite Materials | 73 | 3.6K | 416 | 370 |
| 126 | Energy Harvesting | 28 | 3.5K | 78 | 45 |
| 127 | biocatalysis | 9 | 3.5K | 52 | 27 |
| 127 | Homogeneous catalysis | 9 | 3.5K | 52 | 27 |
| 127 | Heterogeneous catalysis | 9 | 3.5K | 52 | 27 |
| 130 | environmental protection | 96 | 3.5K | 277 | 352 |
| 131 | Geochemistry | 98 | 3.4K | 295 | 342 |
| 132 | Neuropsychology | 34 | 3.4K | 594 | 276 |
| 133 | Information Technology | 32 | 3.3K | 538 | 154 |
| 134 | Water quality management | 116 | 3.3K | 64 | 64 |
| 135 | Toxicology | 60 | 3.3K | 977 | 716 |
| 136 | Communication | 38 | 3.2K | 464 | 202 |
| 137 | biopolymers | 111 | 3.2K | 56 | 74 |
| 138 | energy resources | 61 | 3.2K | 87 | 165 |
| 139 | Metals | 69 | 3.2K | 334 | 277 |
| 140 | Waste management | 108 | 3.1K | 28 | 29 |
| 141 | Chemical industry | 582 | 3.1K | 9 | 26 |
| 142 | Membranes | 51 | 3.1K | 301 | 236 |
| 143 | Fluid Dynamics | 128 | 3.1K | 38 | 52 |
| 144 | Animal Behavior | 29 | 3.1K | 541 | 316 |
| 145 | management | 78 | 3.0K | 495 | 562 |
| 146 | actuators | 75 | 3.0K | 198 | 204 |
| 146 | transducers | 75 | 3.0K | 198 | 204 |
| 148 | Petrology | 59 | 3.0K | 172 | 150 |
| 149 | food technology | 59 | 3.0K | 362 | 267 |
| 150 | Water Purification | 99 | 2.9K | 25 | 26 |
| 151 | Industrial Microbiology | 62 | 2.9K | 170 | 185 |
| 152 | Automation | 70 | 2.8K | 326 | 382 |
| 153 | organization | 12 | 2.8K | 316 | 140 |
| 154 | Planets | 68 | 2.7K | 325 | 358 |
| 155 | Psychophysiology | 45 | 2.7K | 683 | 555 |
| 156 | Genetics | 45 | 2.7K | 926 | 922 |
| 157 | Nutrition | 74 | 2.7K | 725 | 724 |
| 158 | Mechanical Engineering | 157 | 2.6K | 115 | 138 |
| 159 | Mineralogy | 70 | 2.6K | 205 | 194 |
| 160 | Combustion | 87 | 2.6K | 113 | 128 |
| 161 | Plant Ecology | 52 | 2.6K | 299 | 287 |
| 162 | Biodiversity conservation | 33 | 2.6K | 424 | 464 |
| 163 | Solid State Chemistry | 156 | 2.6K | 134 | 215 |
| 164 | Nanostructures | 65 | 2.6K | 198 | 283 |
| 165 | Environmental Management | 70 | 2.6K | 315 | 418 |
| 166 | Mechanics | 128 | 2.5K | 20 | 49 |
| 167 | Thermodynamics | 125 | 2.5K | 22 | 18 |
| 168 | Data Mining | 31 | 2.4K | 232 | 161 |
| 169 | Ergonomics | 65 | 2.4K | 111 | 64 |
| 170 | Robotics | 48 | 2.4K | 277 | 168 |
| 171 | Fiber Optics | 88 | 2.4K | 73 | 80 |
| 172 | Public Health | 152 | 2.4K | 555 | 948 |
| 173 | probabilities | 134 | 2.4K | 48 | 47 |
| 174 | human behavior | 22 | 2.3K | 770 | 551 |
| 175 | Psychology | 70 | 2.3K | 898 | 843 |
| 176 | Medical Physics | 33 | 2.3K | 479 | 285 |
| 177 | Building Materials | 47 | 2.3K | 306 | 273 |
| 178 | System analysis | 116 | 2.2K | 141 | 223 |
| 179 | Project Management | 21 | 2.2K | 37 | 21 |
| 180 | Pharmaceutical Chemistry | 69 | 2.2K | 771 | 802 |
| 181 | mathematical analysis | 141 | 2.2K | 160 | 149 |
| 182 | Computational Biology | 63 | 2.2K | 393 | 494 |
| 183 | Public Policy | 64 | 2.1K | 185 | 188 |
| 184 | Behavior | 28 | 2.1K | 939 | 687 |
| 185 | Sustainable Development | 56 | 2.1K | 141 | 214 |
| 186 | Molecules | 129 | 2.1K | 55 | 155 |
| 187 | Plant physiology | 24 | 2.1K | 730 | 486 |
| 188 | concrete | 32 | 2.1K | 192 | 176 |
| 189 | plant communities | 19 | 2.1K | 374 | 218 |
| 190 | Combinatorial chemistry | 13 | 2.0K | 324 | 107 |
| 191 | Geometry | 149 | 2.0K | 15 | 24 |
| 192 | Food additives | 47 | 2.0K | 107 | 135 |
| 193 | Biodiversity | 40 | 2.0K | 455 | 407 |
| 194 | hydrocolloids | 45 | 2.0K | 62 | 110 |
| 195 | Bioinorganic chemistry | 78 | 2.0K | 106 | 125 |
| 196 | Histology | 39 | 1.9K | 391 | 324 |
| 197 | Continuum Mechanics | 83 | 1.9K | 1 | 1 |
| 198 | Transportation | 66 | 1.9K | 237 | 241 |
| 199 | rehabilitation | 20 | 1.8K | 717 | 341 |
| 200 | Bacteriology | 24 | 1.8K | 616 | 473 |
| 201 | Fungi | 32 | 1.8K | 218 | 175 |
| 202 | health planning | 55 | 1.8K | 233 | 146 |
| 203 | Mass Spectrometry | 28 | 1.8K | 295 | 144 |
| 204 | Sociology | 93 | 1.8K | 350 | 456 |
| 205 | Microbial Biotechnology | 35 | 1.8K | 59 | 42 |
| 206 | Nanoparticles | 37 | 1.7K | 366 | 298 |
| 207 | medical education | 47 | 1.7K | 298 | 228 |
| 208 | Rheology | 69 | 1.7K | 10 | 20 |
| 209 | Europe | 150 | 1.7K | 226 | 423 |
| 210 | Proteome | 32 | 1.7K | 211 | 204 |
| 211 | Marine Biology | 31 | 1.7K | 795 | 553 |
| 212 | Meteorology | 25 | 1.7K | 736 | 589 |
| 213 | Oncology | 4 | 1.7K | 2074 | 913 |
| 214 | Control Theory | 72 | 1.7K | 211 | 243 |
| 215 | Health Education | 47 | 1.7K | 327 | 251 |
| 216 | Functional Analysis | 61 | 1.7K | 122 | 79 |
| 217 | Cell Biology | 29 | 1.6K | 1417 | 1492 |
| 218 | data collection | 17 | 1.6K | 229 | 187 |
| 219 | soil microbiology | 24 | 1.6K | 432 | 413 |
| 220 | Hydrology | 58 | 1.5K | 412 | 489 |
| 221 | Climate change | 12 | 1.5K | 496 | 575 |
| 221 | Eutrophication | 12 | 1.5K | 486 | 575 |
| 223 | Neural circuitry | 45 | 1.5K | 244 | 308 |
| 224 | Power Electronics | 24 | 1.5K | 324 | 256 |
| 225 | Chemical processes | 84 | 1.5K | 17 | 22 |
| 226 | Plant cells | 4 | 1.5K | 937 | 517 |
| 227 | innovation | 24 | 1.5K | 66 | 154 |
| 228 | Cytology | 30 | 1.4K | 1467 | 1580 |
| 229 | Conservation Biology | 15 | 1.4K | 418 | 224 |
| 230 | Climatology | 18 | 1.4K | 662 | 435 |
| 231 | Remote Sensing | 96 | 1.4K | 66 | 96 |
| 232 | exobiology | 28 | 1.4K | 35 | 42 |
| 233 | Natural resources | 32 | 1.4K | 110 | 116 |
| 234 | Pharmaceutical Technology | 26 | 1.4K | 376 | 240 |
| 235 | Comparative Physiology | 18 | 1.4K | 254 | 120 |
| 236 | Differential Equations | 50 | 1.4K | 88 | 77 |
| 237 | Microorganisms | 9 | 1.3K | 530 | 257 |
| 238 | Fluid Mechanics | 54 | 1.3K | 293 | 298 |
| 239 | Cognitive Science | 26 | 1.3K | 347 | 327 |
| 240 | Proteomics | 20 | 1.3K | 278 | 190 |
| 241 | Food Microbiology | 20 | 1.3K | 352 | 262 |
| 242 | Brain | 24 | 1.3K | 953 | 785 |
| 243 | Plant diseases | 21 | 1.3K | 732 | 390 |
| 244 | city planning | 67 | 1.3K | 162 | 233 |
| 245 | Carbon | 17 | 1.3K | 439 | 360 |
| 246 | Stochastic Processes | 43 | 1.3K | 53 | 31 |
| 246 | Organometallic chemistry | 76 | 1.3K | 128 | 177 |
| 248 | coal | 22 | 1.2K | 479 | 368 |
| 249 | China | 39 | 1.2K | 638 | 442 |
| 250 | Minerals | 39 | 1.2K | 42 | 38 |
| 251 | catalytic activity | 24 | 1.2K | 111 | 87 |
| 252 | mass transfer | 47 | 1.2K | 258 | 348 |
| 252 | Microwaves | 50 | 1.2K | 286 | 234 |
| 254 | Environmental Toxicology | 21 | 1.2K | 782 | 612 |
| 255 | Photochemistry | 39 | 1.2K | 273 | 270 |
| 255 | Lightweight concrete | 13 | 1.2K | 123 | 105 |
| 257 | Educational Psychology | 48 | 1.2K | 240 | 314 |
| 258 | Biosensors | 15 | 1.2K | 487 | 367 |
| 259 | behavioral medicine | 5 | 1.2K | 960 | 336 |
| 260 | Combinatorial analysis | 96 | 1.2K | 57 | 68 |
| 261 | Geodesy | 53 | 1.2K | 47 | 52 |
| 261 | Environmental pollutants | 29 | 1.2K | 529 | 496 |
| 263 | Land use | 31 | 1.2K | 155 | 144 |
| 264 | Business | 27 | 1.2K | 622 | 617 |
| 265 | environmental indicators | 16 | 1.2K | 304 | 149 |
| 266 | Developing countries | 27 | 1.1K | 549 | 409 |
| 267 | Paleoecology | 9 | 1.1K | 593 | 238 |
| 268 | Social Change | 19 | 1.1K | 190 | 191 |
| 269 | Bioelectronics | 12 | 1.1K | 451 | 335 |
| 270 | Systems Engineering | 34 | 1.1K | 482 | 381 |
| 271 | Quantum theory | 32 | 1.1K | 144 | 106 |
| 272 | proteins | 32 | 1.1K | 561 | 530 |
| 273 | Optical Communications | 44 | 1.1K | 82 | 73 |
| 274 | Paleoclimatology | 7 | 1.1K | 717 | 287 |
| 275 | Atomic spectroscopy | 60 | 1.1K | 92 | 172 |
| 276 | Solar System | 34 | 1.1K | 205 | 230 |
| 277 | Crystallography | 40 | 1.1K | 357 | 194 |
| 278 | Paleogeography | 6 | 1.1K | 657 | 222 |
| 278 | United States | 36 | 1.1K | 1356 | 1220 |
| 280 | Human-Computer Interaction | 64 | 1.0K | 77 | 244 |
| 281 | Regional Planning | 57 | 1.0K | 188 | 306 |
| 282 | nucleic acids | 18 | 1.0K | 730 | 775 |
| 283 | starch | 58 | 1.0K | 6 | 23 |
| 283 | antibiotics | 22 | 1.0K | 20 | 11 |
| 285 | Discrete geometry | 67 | 1.0K | 8 | 22 |
| 286 | Engineering Geology | 37 | 1.0K | 281 | 340 |
| 287 | Taste | 43 | 1.0K | 8 | 14 |
| 287 | flavor | 43 | 1.0K | 6 | 12 |
| 287 | smell | 43 | 1.0K | 8 | 14 |
| 290 | global environmental change | 24 | 1.0K | 143 | 224 |
| 291 | genome | 8 | 993 | 946 | 642 |
| 292 | Computer Vision | 9 | 979 | 588 | 333 |
| 292 | visualization | 25 | 979 | 431 | 171 |
| 294 | cryosphere | 13 | 975 | 159 | 115 |
| 295 | enzymes | 28 | 964 | 353 | 369 |
| 296 | Mobile Computing | 49 | 963 | 130 | 196 |
| 297 | Economic Development | 13 | 960 | 690 | 436 |
| 298 | Energy Consumption | 4 | 958 | 296 | 75 |
| 299 | Magnetic Resonance Spectroscopy | 30 | 952 | 307 | 248 |
| 300 | Process Control | 20 | 925 | 197 | 272 |
| 301 | Quantum Chemistry | 22 | 905 | 205 | 79 |
| 302 | marketing | 13 | 891 | 860 | 568 |
| 302 | Recycling | 12 | 891 | 176 | 178 |
| 304 | radioactive waste | 16 | 886 | 169 | 225 |
| 304 | industrial waste | 16 | 886 | 182 | 226 |
| 304 | Hazardous waste | 16 | 886 | 234 | 246 |
| 307 | Biogeochemistry | 20 | 867 | 386 | 436 |
| 308 | Intelligent Transportation Systems | 40 | 866 | 156 | 285 |
| 309 | Health Policy | 57 | 862 | 347 | 557 |
| 310 | Social behavior | 10 | 856 | 571 | 333 |
| 311 | Cognition | 23 | 854 | 567 | 546 |
| 312 | Immunology | 22 | 852 | 1505 | 1597 |
| 313 | Environmental Geology | 27 | 849 | 352 | 374 |
| 314 | Photobiology | 22 | 848 | 302 | 230 |
| 315 | Social Psychology | 19 | 838 | 757 | 670 |
| 316 | Ceramic materials | 24 | 837 | 317 | 257 |
| 317 | Computer Science | 57 | 818 | 205 | 275 |
| 318 | Structural dynamics | 24 | 813 | 285 | 322 |
| 319 | Soil biology | 18 | 806 | 312 | 383 |
| 320 | Catalysts | 23 | 804 | 97 | 100 |
| 321 | Epidemiology | 81 | 801 | 545 | 1188 |
| 321 | Environmental Law | 17 | 801 | 322 | 466 |
| 323 | Health Services Administration | 16 | 800 | 307 | 182 |
| 324 | Social Sciences | 74 | 795 | 500 | 674 |
| 324 | Engineering Mathematics | 47 | 795 | 426 | 397 |
| 326 | sustainability | 24 | 785 | 132 | 272 |
| 327 | Paleontology | 38 | 778 | 317 | 318 |
| 328 | Solar Energy | 29 | 769 | 309 | 524 |
| 328 | Luminescence | 44 | 769 | 121 | 145 |
| 330 | Input-output analysis | 4 | 763 | 176 | 25 |
| 331 | Cement | 19 | 758 | 146 | 240 |
| 332 | Dynamics | 41 | 755 | 264 | 242 |
| 333 | Hydrodynamics | 22 | 746 | 136 | 154 |
| 334 | Telecommunication Systems | 39 | 736 | 218 | 246 |
| 335 | nuclear magnetic resonance | 25 | 735 | 335 | 293 |
| 336 | Environmental Microbiology | 20 | 720 | 397 | 563 |
| 337 | Information Retrieval | 12 | 717 | 158 | 111 |
| 338 | finance | 19 | 716 | 857 | 635 |
| 339 | Molecular Genetics | 11 | 705 | 958 | 771 |
| 340 | Metallography | 16 | 698 | 247 | 152 |
| 341 | Pediatric Neurology | 1 | 692 | 1482 | 558 |
| 341 | Middle East | 26 | 692 | 166 | 80 |
| 343 | Africa | 27 | 691 | 351 | 202 |
| 344 | Ethology | 8 | 690 | 880 | 670 |
| 345 | Oceanography | 16 | 689 | 825 | 662 |
| 346 | Pharmacognosy | 13 | 688 | 834 | 632 |
| 347 | Software Engineering | 28 | 684 | 243 | 282 |
| 348 | Photogrammetry | 74 | 671 | 48 | 31 |
| 348 | Cancer | 12 | 671 | 1931 | 1671 |
| 350 | Civil Engineering | 54 | 669 | 275 | 273 |
| 351 | Learning | 14 | 664 | 537 | 442 |
| 352 | Cybernetics | 24 | 662 | 453 | 563 |
| 353 | Electrophoresis | 13 | 659 | 760 | 465 |
| 354 | research and development | 8 | 657 | 119 | 71 |
| 355 | Neurochemistry | 7 | 652 | 1580 | 979 |
| 356 | Memory | 17 | 646 | 687 | 658 |
| 357 | Population | 12 | 645 | 418 | 230 |
| 358 | Soil Mechanics | 27 | 643 | 342 | 421 |
| 359 | Nonlinear functional analysis | 30 | 636 | 198 | 207 |
| 360 | Algorithms | 37 | 630 | 32 | 83 |
| 361 | Bioinformatics | 16 | 629 | 890 | 828 |
| 362 | Radiation | 32 | 626 | 502 | 566 |
| 363 | Flexible manufacturing systems | 17 | 625 | 42 | 46 |
| 364 | Molecular Spectroscopy | 29 | 623 | 386 | 419 |
| 365 | Production Management | 9 | 619 | 574 | 529 |
| 366 | Education | 32 | 609 | 1121 | 931 |
| 366 | Information Science | 38 | 609 | 464 | 840 |
| 368 | Soil ecology | 15 | 605 | 221 | 256 |
| 369 | Molecular Microbiology | 7 | 604 | 543 | 477 |
| 370 | Statistics | 42 | 602 | 687 | 797 |
| 371 | Imaging systems | 20 | 599 | 117 | 52 |
| 372 | toxicity testing | 8 | 588 | 331 | 140 |
| 373 | software | 13 | 581 | 341 | 298 |
| 374 | Ecological Engineering | 7 | 579 | 331 | 160 |
| 375 | pollutants | 16 | 576 | 709 | 769 |
| 376 | Cosmochemistry | 6 | 568 | 635 | 330 |
| 377 | Nuclear Fusion | 10 | 561 | 299 | 168 |
| 378 | water supply | 17 | 560 | 320 | 388 |
| 379 | Forest Ecology | 8 | 558 | 637 | 420 |
| 380 | Organizational change | 13 | 556 | 205 | 147 |
| 380 | ecosystem | 10 | 556 | 656 | 630 |
| 382 | Urban Planning | 28 | 554 | 26 | 83 |
| 383 | Forest Management | 7 | 553 | 627 | 384 |
| 384 | Fermentation | 22 | 549 | 46 | 41 |
| 384 | brewing | 35 | 549 | 29 | 37 |
| 386 | Hydraulic Engineering | 20 | 546 | 387 | 346 |
| 386 | Diet | 8 | 546 | 1273 | 1043 |
| 388 | Lipids | 23 | 543 | 327 | 561 |
| 388 | Germany | 108 | 543 | 15 | 27 |
| 388 | Yeast | 12 | 543 | 135 | 129 |
| 391 | Informatics | 25 | 536 | 138 | 258 |
| 392 | solar cells | 19 | 533 | 204 | 373 |
| 393 | Geography | 42 | 528 | 506 | 820 |
| 393 | Mycology | 10 | 528 | 894 | 651 |
| 395 | Meteorites | 13 | 526 | 465 | 539 |
| 396 | Multimedia Systems | 22 | 523 | 538 | 442 |
| 397 | Probability | 20 | 522 | 127 | 164 |
| 397 | Physical organic chemistry | 16 | 522 | 574 | 429 |
| 397 | bees | 8 | 522 | 205 | 111 |
| 400 | vibration | 14 | 520 | 503 | 357 |
| 401 | Friction | 13 | 519 | 13 | 20 |
| 402 | Geomorphology | 19 | 518 | 475 | 620 |
| 403 | biological invasions | 8 | 517 | 301 | 174 |
| 404 | Economic History | 24 | 513 | 1237 | 989 |
| 405 | commerce | 19 | 509 | 457 | 528 |
| 406 | Health Services Research | 24 | 508 | 439 | 530 |
| 407 | Entropy | 40 | 502 | 65 | 130 |
| 408 | Technological Innovations | 10 | 500 | 417 | 269 |
| 409 | Organic Geochemistry | 1 | 499 | 614 | 171 |
| 410 | Toxins | 12 | 497 | 271 | 207 |
| 411 | community development | 5 | 496 | 402 | 102 |
| 412 | Housing | 6 | 494 | 280 | 121 |
| 413 | soil conservation | 23 | 493 | 94 | 178 |
| 414 | Ocean Engineering | 26 | 492 | 499 | 659 |
| 414 | Vaccines | 4 | 492 | 1683 | 783 |
| 416 | natural disasters | 16 | 490 | 386 | 441 |
| 417 | auditory perception | 15 | 488 | 120 | 146 |
| 418 | Optoelectronic devices | 21 | 486 | 168 | 89 |
| 419 | Artificial Organs | 8 | 485 | 355 | 143 |
| 419 | Groundwater | 34 | 485 | 106 | 175 |
| 421 | Tribology | 30 | 483 | 236 | 373 |
| 422 | Adhesion | 21 | 480 | 71 | 83 |
| 422 | adhesives | 21 | 480 | 78 | 84 |
| 424 | Building | 12 | 478 | 299 | 175 |
| 425 | Genetic engineering | 11 | 473 | 1141 | 1098 |
| 425 | Animal ecology | 14 | 473 | 503 | 477 |
| 425 | Roads | 20 | 473 | 257 | 201 |
| 428 | Earthquake Engineering | 18 | 472 | 511 | 550 |
| 429 | Ferroelectricity | 35 | 470 | 194 | 233 |
| 430 | Health | 38 | 466 | 432 | 799 |
| 431 | Graph Theory | 39 | 459 | 95 | 106 |
| 432 | Neurobiology | 7 | 457 | 1135 | 1013 |
| 433 | Decision making | 25 | 456 | 341 | 497 |
| 434 | Microstructure | 32 | 455 | 62 | 77 |
| 435 | Surface-Active Agents | 11 | 454 | 423 | 433 |
| 435 | Surface properties | 11 | 454 | 470 | 486 |
| 435 | Medical innovations | 6 | 454 | 653 | 792 |
| 438 | Pathology | 8 | 446 | 1472 | 1173 |
| 439 | Pharmacology | 18 | 443 | 2478 | 2754 |
| 439 | Computer-Aided Design | 22 | 443 | 282 | 377 |
| 441 | Consumer Protection | 7 | 441 | 66 | 34 |
| 441 | consumers | 7 | 441 | 178 | 89 |
| 441 | Customer Relations | 7 | 441 | 28 | 5 |
| 444 | Cognitive neuroscience | 11 | 438 | 483 | 532 |
| 445 | Machine Learning | 14 | 434 | 91 | 139 |
| 446 | Sound | 23 | 430 | 260 | 318 |
| 447 | atmospheric models | 14 | 428 | 278 | 377 |
| 448 | Marine Ecology | 3 | 426 | 741 | 219 |
| 448 | Electrochemical Analysis | 14 | 426 | 654 | 575 |
| 450 | Biomass | 8 | 424 | 270 | 274 |
| 451 | Heat Exchangers | 17 | 422 | 356 | 571 |
| 452 | Computational Mathematics | 22 | 419 | 4 | 26 |
| 453 | Urban Policy | 24 | 418 | 123 | 254 |
| 454 | Qualitative Research | 3 | 417 | 489 | 147 |
| 455 | Primary health care | 18 | 415 | 540 | 560 |
| 456 | soil pollution | 19 | 411 | 60 | 91 |
| 456 | Calculus of Variations | 20 | 411 | 96 | 85 |
| 458 | United Kingdom | 23 | 410 | 498 | 811 |
| 459 | Synchrotron Radiation | 22 | 409 | 83 | 93 |
| 460 | Computational Complexity | 23 | 404 | 160 | 149 |
| 461 | Soil fertility | 12 | 402 | 104 | 153 |
| 462 | Medical Anthropology | 9 | 401 | 629 | 683 |
| 463 | gene mapping | 7 | 396 | 1347 | 1200 |
| 464 | Wildlife conservation | 11 | 393 | 556 | 692 |
| 464 | Speech Perception | 14 | 393 | 109 | 154 |
| 464 | Research Design | 13 | 393 | 456 | 520 |
| 467 | particles | 16 | 390 | 249 | 255 |
| 468 | Psychiatry | 9 | 389 | 2541 | 2240 |
| 469 | Raman spectroscopy | 17 | 385 | 178 | 224 |
| 470 | Rock Mechanics | 25 | 384 | 258 | 445 |
| 471 | Environmental Economics | 7 | 383 | 183 | 109 |
| 472 | Nanoelectronics | 30 | 381 | 146 | 180 |
| 472 | disabilities | 3 | 381 | 717 | 231 |
| 472 | venom | 10 | 381 | 291 | 245 |
| 475 | feeding behavior | 6 | 380 | 460 | 336 |
| 475 | Microwave devices | 20 | 380 | 126 | 141 |
| 475 | Appetite | 6 | 380 | 395 | 293 |
| 478 | Atmospheric Physics | 17 | 375 | 646 | 850 |
| 479 | Agricultural Ecology | 17 | 374 | 355 | 667 |
| 480 | Physiology | 7 | 373 | 2894 | 2274 |
| 480 | Psycholinguistics | 17 | 373 | 338 | 464 |
| 482 | optical devices | 16 | 372 | 104 | 97 |
| 483 | internet | 16 | 371 | 574 | 682 |
| 484 | Superconductors | 20 | 369 | 348 | 289 |
| 485 | Topology | 18 | 368 | 73 | 49 |
| 486 | microwave communication systems | 16 | 366 | 122 | 126 |
| 487 | Industrial Ecology | 11 | 365 | 39 | 93 |
| 488 | Biopharmaceutics | 5 | 364 | 905 | 545 |
| 489 | Chromosome mapping | 6 | 361 | 1326 | 1088 |
| 490 | Alloys | 25 | 354 | 27 | 26 |
| 491 | solar power | 15 | 352 | 219 | 458 |
| 492 | Systems Analysis | 17 | 350 | 310 | 346 |
| 492 | Virulence | 6 | 350 | 775 | 906 |
| 494 | Wind power | 20 | 349 | 28 | 67 |
| 495 | Genomics | 8 | 348 | 2115 | 1837 |
| 496 | environmental exposure | 9 | 347 | 1010 | 963 |
| 496 | drugs | 8 | 347 | 1361 | 1013 |
| 498 | Ceramics | 14 | 346 | 645 | 625 |
| 499 | Soil | 2 | 345 | 96 | 39 |
| 500 | Geomagnetism | 20 | 344 | 216 | 301 |
| 501 | Plasma chemistry | 14 | 343 | 105 | 124 |
| 501 | Aging | 11 | 343 | 1542 | 1365 |
| 503 | language | 11 | 341 | 359 | 409 |
| 504 | Philosophy | 36 | 338 | 457 | 369 |
| 504 | Human Geography | 21 | 338 | 338 | 435 |
| 506 | Quantum Gravity | 21 | 337 | 979 | 1119 |
| 507 | Environmentalism | 4 | 335 | 104 | 59 |
| 507 | Zeolites | 11 | 335 | 389 | 461 |
| 507 | Microscopy | 21 | 335 | 454 | 556 |
| 510 | Cytogenetics | 4 | 332 | 1349 | 1054 |
| 510 | social science | 4 | 332 | 119 | 84 |
| 512 | Magnetic Materials | 13 | 330 | 817 | 787 |
| 513 | Internet of Things | 11 | 329 | 537 | 570 |
| 514 | Hydrogeology | 35 | 327 | 86 | 266 |
| 515 | extraterrestrial environment | 35 | 326 | 59 | 156 |
| 515 | astronomical phenomena | 35 | 326 | 55 | 146 |
| 517 | Developmental Biology | 4 | 325 | 1709 | 1352 |
| 517 | X-ray spectroscopy | 12 | 325 | 57 | 27 |
| 517 | Entrepreneurship | 7 | 325 | 590 | 596 |
| 517 | freshwater biology | 15 | 325 | 316 | 403 |
| 521 | Fracture mechanics | 10 | 322 | 759 | 629 |
| 522 | Thermochemistry | 9 | 317 | 247 | 178 |
| 523 | Health Information Management | 3 | 316 | 272 | 277 |
| 523 | analysis | 15 | 316 | 103 | 179 |
| 525 | Agriculture | 19 | 315 | 791 | 1084 |
| 526 | Turbulence | 15 | 311 | 50 | 58 |
| 526 | world | 4 | 311 | 587 | 500 |
| 528 | Computational Chemistry | 12 | 310 | 231 | 340 |
| 528 | Geodynamics | 16 | 310 | 365 | 519 |
| 528 | Approximation Theory | 22 | 310 | 76 | 87 |
| 531 | Matroids | 17 | 309 | 47 | 60 |
| 532 | Glass | 11 | 308 | 557 | 591 |
| 532 | pottery | 11 | 308 | 541 | 584 |
| 534 | Social problems | 9 | 307 | 271 | 289 |
| 535 | X-ray crystallography | 4 | 305 | 544 | 178 |
| 535 | Ore deposits | 8 | 305 | 306 | 260 |
| 537 | Human genetics | 5 | 304 | 1709 | 2523 |
| 537 | Plant Morphology | 20 | 304 | 106 | 168 |
| 539 | Development | 4 | 302 | 681 | 476 |
| 540 | health workforce | 4 | 301 | 132 | 85 |
| 540 | economic policy | 31 | 301 | 608 | 854 |
| 540 | environmental issues | 9 | 301 | 148 | 179 |
| 543 | Systems Biology | 17 | 299 | 544 | 775 |
| 544 | Computational Fluid Dynamics | 16 | 297 | 180 | 236 |
| 544 | Gene expression regulation | 6 | 297 | 659 | 595 |
| 544 | Genetic regulation | 6 | 297 | 783 | 818 |
| 547 | Pediatrics | 3 | 296 | 2349 | 1499 |
| 548 | Diagnostic Imaging | 18 | 295 | 729 | 1033 |
| 548 | Aquatic ecology | 4 | 295 | 830 | 409 |
| 550 | Nursing | 3 | 294 | 1862 | 616 |
| 550 | Algebra | 32 | 294 | 412 | 387 |
| 550 | Synthetic biology | 6 | 294 | 215 | 140 |
| 553 | emergency management | 10 | 293 | 316 | 312 |
| 554 | Bacteria | 1 | 292 | 626 | 272 |
| 555 | Immunity | 8 | 289 | 1173 | 1687 |
| 556 | Economic Assistance | 4 | 287 | 576 | 444 |
| 557 | Measurement | 18 | 286 | 363 | 542 |
| 558 | Information Systems | 18 | 285 | 387 | 672 |
| 559 | Biodegradation | 5 | 283 | 522 | 356 |
| 560 | Bifurcation Theory | 11 | 282 | 238 | 185 |
| 560 | Plasma polymerization | 12 | 282 | 68 | 106 |
| 560 | planning | 15 | 282 | 177 | 190 |
| 563 | Geotechnical Engineering | 5 | 279 | 519 | 327 |
| 563 | Landscape Ecology | 11 | 279 | 156 | 269 |
| 563 | Business Ethics | 3 | 279 | 917 | 759 |
| 563 | protein | 14 | 279 | 539 | 700 |
| 567 | Transportation Engineering | 9 | 275 | 248 | 182 |
| 568 | Decision Support Systems | 1 | 274 | 615 | 54 |
| 568 | Fashion merchandising | 2 | 274 | 47 | 4 |
| 568 | electrocatalysis | 2 | 274 | 122 | 11 |
| 568 | Fashion | 2 | 274 | 167 | 17 |
| 572 | Leadership | 2 | 272 | 618 | 336 |
| 572 | Latin America | 7 | 272 | 880 | 290 |
| 574 | Geographic information systems | 18 | 271 | 268 | 336 |
| 575 | data protection | 9 | 269 | 182 | 128 |
| 576 | Formal Languages | 11 | 268 | 46 | 20 |
| 577 | Antarctica | 5 | 267 | 357 | 142 |
| 578 | Industrial Safety | 8 | 263 | 610 | 508 |
| 578 | Molecular evolution | 5 | 263 | 1153 | 1023 |
| 578 | Crystal growth | 9 | 263 | 579 | 532 |
| 581 | Oxidative stress | 4 | 259 | 1060 | 903 |
| 581 | Quantum Optics | 17 | 259 | 293 | 378 |
| 581 | weather | 7 | 259 | 287 | 267 |
| 584 | Quality Control | 16 | 258 | 595 | 919 |
| 584 | micromechanics | 10 | 258 | 210 | 232 |
| 584 | Japan | 10 | 258 | 1066 | 745 |
| 587 | Mechatronics | 7 | 257 | 537 | 469 |
| 587 | Soil dynamics | 9 | 257 | 218 | 226 |
| 587 | Chromatographic analysis | 11 | 257 | 996 | 875 |
| 590 | Cognitive Psychology | 12 | 255 | 118 | 133 |
| 591 | Analytical Biochemistry | 14 | 248 | 744 | 978 |
| 591 | urban forestry | 11 | 248 | 42 | 80 |
| 593 | Fertilizers | 16 | 247 | 99 | 178 |
| 594 | free radicals | 5 | 245 | 1060 | 1117 |
| 595 | Computational Intelligence | 6 | 244 | 685 | 359 |
| 596 | Venture Capital | 4 | 243 | 219 | 323 |
| 597 | nuclear magnetic resonance spectroscopy | 9 | 241 | 405 | 329 |
| 598 | clay | 2 | 240 | 987 | 521 |
| 599 | Chromatography | 9 | 238 | 958 | 845 |
| 600 | Palynology | 7 | 236 | 105 | 52 |
| 600 | Ultrasonics | 9 | 236 | 616 | 795 |
| 602 | Greenhouse gases | 4 | 235 | 287 | 238 |
| 602 | Laser Spectroscopy | 13 | 235 | 332 | 365 |
| 602 | Chronic diseases | 4 | 235 | 534 | 497 |
| 605 | Semiconductor industry | 22 | 232 | 154 | 236 |
| 605 | Autonomous robots | 7 | 232 | 78 | 112 |
| 607 | NMR | 7 | 229 | 306 | 163 |
| 607 | magnetic resonance | 7 | 229 | 308 | 180 |
| 609 | synthesis | 15 | 228 | 313 | 310 |
| 610 | Naval Architecture | 4 | 226 | 271 | 110 |
| 611 | Granular materials | 10 | 225 | 192 | 274 |
| 612 | Sedimentology | 3 | 224 | 627 | 372 |
| 613 | Speech | 11 | 223 | 409 | 557 |
| 614 | Harmonic Analysis | 11 | 221 | 43 | 74 |
| 615 | Cheminformatics | 4 | 219 | 256 | 283 |
| 616 | Distance Education | 2 | 217 | 625 | 172 |
| 617 | Cartography | 16 | 215 | 119 | 100 |
| 618 | Educational Technology | 4 | 214 | 1351 | 823 |
| 619 | Electronic Packaging | 16 | 213 | 64 | 108 |
| 619 | Virology | 9 | 213 | 1835 | 2685 |
| 619 | Drug delivery systems | 3 | 213 | 1590 | 1212 |
| 622 | Transport | 6 | 212 | 377 | 397 |
| 623 | Agricultural Engineering | 9 | 211 | 220 | 252 |
| 623 | Host-parasite interactions | 5 | 211 | 912 | 1258 |
| 623 | Culture | 9 | 211 | 577 | 361 |
| 626 | Technology Assessment | 9 | 210 | 70 | 218 |
| 627 | Social Networks | 7 | 209 | 103 | 163 |
| 628 | Industrial Design | 4 | 208 | 208 | 100 |
| 628 | Game Theory | 17 | 208 | 164 | 255 |
| 630 | Liposomes | 8 | 207 | 254 | 338 |
| 630 | Lipid bilayers | 8 | 207 | 224 | 307 |
| 632 | Fossils | 14 | 205 | 6 | 4 |
| 633 | Zoology | 10 | 203 | 1534 | 1425 |
| 634 | Population Genetics | 8 | 202 | 716 | 978 |
| 634 | Child welfare | 5 | 202 | 798 | 534 |
| 636 | technology transfer | 7 | 201 | 66 | 148 |
| 636 | Environmental risk assessment | 8 | 201 | 158 | 171 |
| 636 | Oxidation-reduction | 3 | 201 | 831 | 847 |
| 639 | Industrial Policy | 8 | 200 | 230 | 283 |
| 640 | Crystallization | 5 | 198 | 425 | 188 |
| 640 | Trace elements | 4 | 198 | 214 | 181 |
| 642 | Structural Engineering | 16 | 196 | 728 | 982 |
| 642 | Multiphase Flow | 10 | 196 | 148 | 249 |
| 642 | Substance Abuse | 5 | 196 | 1071 | 860 |
| 642 | supercritical fluids | 6 | 196 | 241 | 259 |
| 642 | brain mapping | 4 | 196 | 565 | 571 |
| 647 | Medical Technology | 6 | 195 | 1259 | 1134 |
| 647 | Corporate governance | 6 | 195 | 304 | 319 |
| 649 | Environmental Psychology | 7 | 194 | 167 | 341 |
| 649 | Risk assessment | 9 | 194 | 222 | 221 |
| 651 | bioclimatology | 6 | 193 | 572 | 536 |
| 651 | infection | 6 | 193 | 1196 | 1243 |
| 653 | Music | 12 | 192 | 344 | 309 |
| 653 | Biogeochemical cycles | 3 | 192 | 445 | 487 |
| 653 | Interactive multimedia | 7 | 192 | 353 | 385 |
| 656 | Child | 4 | 190 | 2077 | 1494 |
| 656 | food contamination | 10 | 190 | 406 | 493 |
| 658 | Water Microbiology | 4 | 189 | 351 | 253 |
| 658 | Exercise | 6 | 189 | 945 | 734 |
| 660 | Combinatorial optimization | 14 | 187 | 102 | 97 |
| 661 | multimedia | 5 | 186 | 379 | 368 |
| 662 | Chemical Ecology | 3 | 184 | 519 | 424 |
| 662 | Child psychology | 7 | 184 | 896 | 1114 |
| 662 | pheromones | 3 | 184 | 469 | 399 |
| 662 | Sedimentary rocks | 5 | 184 | 439 | 415 |
| 666 | preventive medicine | 26 | 182 | 301 | 911 |
| 667 | Solar power plants | 4 | 181 | 150 | 162 |
| 667 | electric vehicles | 9 | 181 | 130 | 183 |
| 667 | Photovoltaic Cells | 4 | 181 | 150 | 162 |
| 667 | Visual Perception | 17 | 181 | 611 | 1150 |
| 667 | food handling | 8 | 181 | 425 | 679 |
| 672 | Municipal Engineering | 8 | 180 | 112 | 153 |
| 673 | Cost effectiveness | 8 | 177 | 21 | 36 |
| 673 | Perception | 14 | 177 | 806 | 1292 |
| 675 | Land Use Planning | 5 | 176 | 246 | 287 |
| 676 | Nanophotonics | 8 | 175 | 154 | 254 |
| 677 | Clinical Psychology | 1 | 174 | 2047 | 1178 |
| 677 | mycoses | 2 | 174 | 1021 | 854 |
| 677 | Attention | 13 | 174 | 752 | 1209 |
| 677 | pigments | 1 | 174 | 1328 | 521 |
| 681 | Nanochemistry | 8 | 173 | 702 | 711 |
| 682 | Child Development | 8 | 172 | 1150 | 1426 |
| 683 | Developmental Genetics | 2 | 171 | 624 | 605 |
| 683 | viral genetics | 2 | 171 | 372 | 481 |
| 685 | hazard mitigation | 7 | 170 | 498 | 608 |
| 686 | Linguistics | 15 | 169 | 622 | 682 |
| 686 | Quantum Communication | 3 | 169 | 186 | 166 |
| 688 | Fouling | 3 | 168 | 230 | 179 |
| 689 | Medical genetics | 4 | 167 | 2313 | 2522 |
| 689 | Scheduling | 10 | 167 | 25 | 63 |
| 689 | Production Scheduling | 10 | 167 | 25 | 63 |
| 689 | Israel | 9 | 167 | 42 | 18 |
| 693 | soil management | 4 | 166 | 436 | 480 |
| 693 | Intelligent Control Systems | 10 | 166 | 479 | 373 |
| 693 | Fractals | 11 | 166 | 550 | 762 |
| 696 | Infections | 3 | 164 | 1167 | 1089 |
| 696 | consumer behavior | 3 | 164 | 510 | 398 |
| 696 | rare diseases | 1 | 164 | 1137 | 498 |
| 699 | Schizophrenia | 1 | 162 | 1503 | 883 |
| 699 | health services | 6 | 162 | 695 | 636 |
| 701 | Number Theory | 13 | 161 | 323 | 205 |
| 701 | Solitons | 10 | 161 | 473 | 690 |
| 701 | Chaos | 10 | 161 | 473 | 690 |
| 701 | Chromosomes | 5 | 161 | 775 | 822 |
| 705 | Quantum Computing | 4 | 160 | 154 | 133 |
| 706 | Statistical Mechanics | 13 | 159 | 450 | 434 |
| 707 | Photography | 53 | 158 | 512 | 539 |
| 707 | Radio waves | 7 | 158 | 622 | 727 |
| 709 | Embryology | 2 | 157 | 1735 | 1406 |
| 710 | Humanities | 12 | 155 | 791 | 643 |
| 710 | Strategic planning | 8 | 155 | 380 | 518 |
| 712 | Risk Management | 4 | 154 | 569 | 457 |
| 712 | Biometrics | 11 | 154 | 541 | 727 |
| 712 | biomimicry | 3 | 154 | 144 | 104 |
| 712 | Scanning electron microscopy | 6 | 154 | 56 | 43 |
| 712 | Capital asset pricing model | 2 | 154 | 68 | 21 |
| 717 | Regional Economics | 11 | 153 | 140 | 276 |
| 717 | Ecosystem management | 5 | 153 | 511 | 543 |
| 717 | Europa | 9 | 153 | 235 | 355 |
| 720 | diffusion | 16 | 152 | 68 | 21 |
| 721 | sustainable growth | 2 | 150 | 13 | 16 |
| 722 | Neurotransmitters | 2 | 149 | 585 | 324 |
| 723 | Electromagnetic compatibility | 13 | 148 | 139 | 227 |
| 723 | Total Quality Management | 5 | 148 | 319 | 277 |
| 723 | Marine Pollution | 3 | 148 | 1176 | 1084 |
| 723 | Chemical analysis | 6 | 148 | 835 | 896 |
| 723 | Plants | 5 | 148 | 1695 | 1741 |
| 728 | Traffic Engineering | 4 | 147 | 327 | 338 |
| 728 | Risk | 4 | 147 | 461 | 433 |
| 730 | Medical Microbiology | 5 | 146 | 1784 | 2159 |
| 730 | Online social networks | 5 | 146 | 157 | 156 |
| 730 | Smart Materials | 9 | 146 | 360 | 507 |
| 733 | Financial management | 3 | 145 | 493 | 431 |
| 733 | Enzyme | 6 | 145 | 289 | 472 |
| 735 | Small Business | 8 | 144 | 404 | 808 |
| 736 | rivers | 4 | 142 | 247 | 213 |
| 737 | Neurons | 1 | 141 | 917 | 1051 |
| 737 | Detectors | 14 | 141 | 688 | 1128 |
| 739 | Materials Engineering | 8 | 140 | 306 | 316 |
| 740 | Architecture | 17 | 139 | 144 | 220 |
| 740 | biofuels | 1 | 139 | 544 | 412 |
| 742 | Labor Economics | 3 | 138 | 479 | 334 |
| 742 | Nonlinear Optics | 17 | 138 | 11 | 56 |
| 744 | Radio wave propagation | 14 | 137 | 336 | 485 |
| 744 | drug development | 1 | 137 | 1888 | 1405 |
| 746 | Oral communication | 7 | 135 | 211 | 254 |
| 747 | Bioremediation | 5 | 134 | 571 | 735 |
| 747 | big data | 4 | 134 | 448 | 382 |
| 747 | Freezing | 4 | 134 | 284 | 163 |
| 750 | Nondestructive testing | 9 | 133 | 319 | 433 |
| 751 | Forecasting | 5 | 130 | 368 | 376 |
| 752 | mutation | 3 | 128 | 638 | 636 |
| 753 | Sonochemistry | 2 | 127 | 750 | 724 |
| 753 | environmental control | 4 | 127 | 176 | 189 |
| 755 | Biogeography | 4 | 126 | 825 | 1075 |
| 755 | forest policy | 4 | 126 | 278 | 254 |
| 757 | Cognitive Radio Networks | 5 | 125 | 132 | 147 |
| 757 | ozone | 7 | 125 | 35 | 51 |
| 759 | Cell death | 3 | 124 | 1222 | 1384 |
| 760 | Ethics | 5 | 123 | 702 | 547 |
| 760 | Mental Disorders | 3 | 123 | 2977 | 2684 |
| 760 | Porous materials | 5 | 123 | 545 | 426 |
| 763 | natural gas | 6 | 120 | 256 | 337 |
| 763 | Sales management | 2 | 120 | 256 | 312 |
| 763 | selling | 2 | 120 | 256 | 312 |
| 766 | taxation | 8 | 119 | 62 | 156 |
| 766 | Semantic web | 5 | 119 | 83 | 114 |
| 766 | viruses | 5 | 119 | 1172 | 1614 |
| 766 | Emotions | 5 | 119 | 424 | 606 |
| 770 | tillage | 2 | 118 | 478 | 509 |
| 771 | Immunochemistry | 4 | 116 | 892 | 826 |
| 771 | immunoassay | 4 | 116 | 145 | 61 |
| 773 | Metabolism | 4 | 115 | 2386 | 2908 |
| 773 | Superconductivity | 5 | 115 | 289 | 239 |
| 775 | econometric models | 1 | 114 | 1022 | 495 |
| 776 | Restoration Ecology | 4 | 112 | 353 | 381 |
| 776 | Biofilms | 1 | 112 | 302 | 169 |
| 778 | Parallel Processing | 3 | 111 | 471 | 468 |
| 779 | Planetary Science | 8 | 110 | 296 | 359 |
| 779 | Operator theory | 10 | 110 | 124 | 115 |
| 779 | Evolution equations | 13 | 110 | 8 | 24 |
| 782 | Human Resources | 4 | 109 | 352 | 505 |
| 783 | Textile industry | 3 | 108 | 519 | 262 |
| 784 | Developmental Disabilities | 1 | 107 | 1523 | 1002 |
| 785 | Landscape Architecture | 6 | 106 | 72 | 39 |
| 785 | Gaia hypothesis | 4 | 106 | 3 | 2 |
| 787 | Geriatrics | 14 | 105 | 1362 | 2418 |
| 787 | Drug design | 4 | 105 | 1584 | 1679 |
| 789 | Sustainable agriculture | 4 | 104 | 616 | 648 |
| 789 | Stem cells | 5 | 104 | 1274 | 1646 |
| 791 | Simulation Methods | 9 | 103 | 435 | 715 |
| 791 | gene therapy | 6 | 103 | 788 | 1234 |
| 791 | Genetic therapy | 6 | 103 | 841 | 1300 |
| 791 | Heat | 38 | 103 | 4 | 16 |
| 795 | Applied Sciences | 2 | 102 | 24 | 54 |
| 795 | Economic Geography | 11 | 102 | 116 | 284 |
| 795 | Applied Mechanics | 2 | 102 | 24 | 54 |
| 795 | radiative transfer | 7 | 102 | 337 | 406 |
| 795 | plant molecular biology | 2 | 102 | 1706 | 1741 |
| 800 | Mining Engineering | 6 | 100 | 349 | 454 |
| 800 | Welding | 9 | 100 | 120 | 93 |
| 802 | Distributed Databases | 7 | 99 | 66 | 109 |
| 803 | Econometrics | 7 | 98 | 940 | 1026 |
| 803 | child behavior | 2 | 98 | 453 | 408 |
| 803 | World Wide Web | 5 | 98 | 261 | 241 |
| 803 | children | 2 | 98 | 637 | 490 |
| 807 | Adolescent | 3 | 97 | 2097 | 1743 |
| 808 | Clinical Chemistry | 8 | 96 | 1890 | 2992 |
| 808 | Diagnostic microbiology | 4 | 96 | 1123 | 1733 |
| 808 | Ultrasound | 5 | 96 | 548 | 694 |
| 811 | Rock deformation | 4 | 95 | 161 | 222 |
| 811 | Urban Transportation | 10 | 95 | 42 | 94 |
| 811 | Computational neuroscience | 5 | 95 | 12 | 20 |
| 814 | Organizational Behavior | 2 | 94 | 709 | 652 |
| 814 | telemarketing | 6 | 94 | 28 | 117 |
| 816 | organizational effectiveness | 9 | 93 | 126 | 346 |
| 817 | International Finance | 4 | 91 | 1356 | 1415 |
| 817 | Consumer education | 3 | 91 | 305 | 374 |
| 819 | Calorimetry | 6 | 90 | 789 | 945 |
| 819 | Thermal analysis | 6 | 90 | 789 | 945 |
| 821 | Terahertz Technology | 4 | 89 | 130 | 177 |
| 821 | Catalyst | 1 | 89 | 69 | 89 |
| 821 | packaging | 14 | 89 | 17 | 105 |
| 824 | Urban Anthropology | 5 | 88 | 82 | 129 |
| 825 | Cloud Computing | 5 | 87 | 193 | 355 |
| 825 | irrigation | 4 | 87 | 365 | 307 |
| 825 | Biomolecules | 4 | 87 | 366 | 615 |
| 828 | Marine Biotechnology | 1 | 86 | 443 | 284 |
| 829 | Thin Films | 5 | 85 | 414 | 403 |
| 829 | adolescence | 2 | 85 | 1059 | 872 |
| 829 | construction | 2 | 85 | 243 | 211 |
| 829 | stability | 4 | 85 | 51 | 24 |
| 833 | drug evaluation | 2 | 84 | 1732 | 1374 |
| 834 | International Relations | 4 | 83 | 1032 | 689 |
| 834 | Optoelectronics | 9 | 83 | 246 | 305 |
| 834 | Radiography | 6 | 83 | 545 | 1039 |
| 834 | Adaptive control systems | 12 | 83 | 178 | 422 |
| 834 | elasticity | 8 | 83 | 91 | 183 |
| 834 | Ultrasonic Imaging | 5 | 83 | 354 | 498 |
| 834 | Entomology | 9 | 83 | 1441 | 1819 |
| 841 | land degradation | 4 | 82 | 387 | 590 |
| 841 | Mineral resources | 3 | 82 | 564 | 696 |
| 841 | degradation | 4 | 82 | 387 | 590 |
| 844 | Reservoirs | 1 | 81 | 367 | 114 |
| 844 | lakes | 1 | 81 | 176 | 39 |
| 844 | Agricultural systems | 1 | 81 | 562 | 459 |
| 844 | Flow cytometry | 3 | 81 | 434 | 474 |
| 848 | Nuclear Engineering | 11 | 80 | 906 | 1253 |
| 848 | DNA repair | 1 | 80 | 537 | 357 |
| 848 | Radiation effects | 4 | 80 | 507 | 805 |
| 851 | Telecommunications | 3 | 79 | 818 | 597 |
| 851 | Molecular cloning | 1 | 79 | 2371 | 1576 |
| 851 | Genetic recombination | 1 | 79 | 2318 | 1558 |
| 851 | Graphene | 2 | 79 | 139 | 181 |
| 851 | Recombinant DNA | 1 | 79 | 2467 | 1648 |
| 851 | Eigenvalues | 15 | 79 | 59 | 55 |
| 857 | Logistics | 3 | 78 | 493 | 650 |
| 857 | Neurolinguistics | 1 | 78 | 683 | 511 |
| 857 | Aerosols | 15 | 78 | 186 | 559 |
| 857 | Speech Disorders | 1 | 78 | 1452 | 902 |
| 857 | Molecular ecology | 2 | 78 | 1277 | 1543 |
| 857 | Immune system | 3 | 78 | 1037 | 1452 |
| 863 | Immunotherapy | 2 | 77 | 2345 | 2343 |
| 863 | Discrete Mathematics | 8 | 77 | 134 | 106 |
| 863 | Health equity | 9 | 77 | 8 | 40 |
| 863 | urban health | 9 | 77 | 100 | 324 |
| 863 | graph | 8 | 77 | 134 | 106 |
| 863 | cell physiology | 4 | 77 | 1354 | 1949 |
| 863 | race relations | 6 | 77 | 378 | 486 |
| 870 | cooperation | 2 | 76 | 153 | 69 |
| 870 | industrial location | 23 | 76 | 2 | 2 |
| 870 | mammals | 4 | 76 | 914 | 967 |
| 873 | Political Science | 8 | 75 | 1127 | 1217 |
| 873 | Microprocessors | 4 | 75 | 523 | 527 |
| 873 | Randomized Controlled Trials | 4 | 75 | 975 | 931 |
| 873 | peptides | 6 | 75 | 613 | 793 |
| 877 | Surgery | 2 | 74 | 2169 | 2233 |
| 877 | Social Choice Theory | 10 | 74 | 68 | 168 |
| 877 | Welfare Economics | 10 | 74 | 176 | 441 |
| 877 | History of Medicine | 29 | 74 | 78 | 192 |
| 881 | Administration | 3 | 73 | 69 | 60 |
| 882 | Surveying | 1 | 72 | 383 | 78 |
| 882 | Occupational Health | 3 | 72 | 1112 | 951 |
| 882 | Microbial Genetics | 1 | 72 | 642 | 420 |
| 882 | Computational Linguistics | 2 | 72 | 753 | 331 |
| 882 | phytopathogenic bacteria | 1 | 72 | 455 | 392 |
| 887 | Cell differentiation | 3 | 71 | 1682 | 2298 |
| 887 | Eastern Europe | 10 | 71 | 394 | 550 |
| 887 | animals | 2 | 71 | 1640 | 1132 |
| 887 | Consciousness | 4 | 71 | 387 | 480 |
| 891 | Structuralism | 2 | 70 | 187 | 242 |
| 891 | Sustainable Architecture | 3 | 70 | 156 | 66 |
| 891 | air quality management | 5 | 70 | 329 | 660 |
| 891 | Phylogeny | 2 | 70 | 1118 | 1214 |
| 895 | Emergency Medical Services | 1 | 69 | 1339 | 736 |
| 895 | Atmospheric Chemistry | 6 | 69 | 646 | 1174 |
| 895 | Emergency Medicine | 1 | 69 | 2185 | 1305 |
| 895 | water reuse | 3 | 69 | 252 | 359 |
| 895 | Climate | 3 | 69 | 573 | 747 |
| 895 | traffic safety | 6 | 69 | 167 | 299 |
| 895 | aerosol | 14 | 69 | 121 | 421 |
| 902 | Highway Engineering | 2 | 68 | 535 | 393 |
| 902 | Integrated Circuits | 9 | 68 | 429 | 467 |
| 904 | Histochemistry | 5 | 67 | 829 | 1139 |
| 904 | Geothermal Energy | 6 | 67 | 140 | 308 |
| 904 | economic forecasting | 3 | 67 | 305 | 403 |
| 904 | Ethnic relations | 4 | 67 | 495 | 418 |
| 904 | Knowledge | 7 | 67 | 273 | 329 |
| 904 | Southeast Asia | 3 | 67 | 419 | 249 |
| 910 | Urban Geography | 2 | 66 | 278 | 244 |
| 910 | Human Rights | 1 | 66 | 1040 | 468 |
| 912 | Discourse Analysis | 2 | 65 | 462 | 364 |
| 912 | Oxidation | 2 | 65 | 196 | 172 |
| 912 | Australia | 5 | 65 | 1461 | 1804 |
| 915 | Horticulture | 7 | 64 | 489 | 788 |
| 915 | Ethnic Conflict | 2 | 64 | 320 | 294 |
| 915 | Random graphs | 10 | 64 | 59 | 120 |
| 915 | Volcanoes | 3 | 64 | 268 | 350 |
| 915 | forced migration | 2 | 64 | 320 | 294 |
| 920 | Religion and Sociology | 3 | 63 | 275 | 124 |
| 920 | Structure-activity relationship | 3 | 63 | 417 | 422 |
| 922 | Neuroimaging | 3 | 62 | 292 | 304 |
| 922 | Cell division | 1 | 62 | 1053 | 819 |
| 922 | fusion reactors | 4 | 62 | 393 | 352 |
| 925 | Orthopedics | 3 | 61 | 1626 | 1726 |
| 925 | Bones | 2 | 61 | 929 | 1161 |
| 927 | Environmental Education | 4 | 60 | 283 | 393 |
| 927 | Paleobotany | 2 | 60 | 205 | 215 |
| 927 | Vegetation dynamics | 2 | 60 | 192 | 208 |
| 930 | History | 19 | 59 | 429 | 383 |
| 930 | Political Geography | 3 | 59 | 267 | 326 |
| 930 | Crime prevention | 2 | 59 | 362 | 213 |
| 930 | Comparative Education | 4 | 59 | 186 | 181 |
| 930 | Geopolitics | 3 | 59 | 262 | 236 |
| 930 | motivation | 2 | 59 | 399 | 407 |
| 930 | Emotion | 2 | 59 | 255 | 330 |
| 930 | X-rays | 2 | 59 | 822 | 572 |
| 930 | Methodology | 3 | 59 | 476 | 431 |
| 939 | Hematology | 3 | 58 | 2710 | 3076 |
| 939 | Food Preservation | 7 | 58 | 414 | 718 |
| 939 | Cellular senescence | 1 | 58 | 1422 | 1312 |
| 939 | occupational diseases | 2 | 58 | 1104 | 1211 |
| 939 | Teaching | 4 | 58 | 1492 | 1545 |
| 939 | Neutrons | 2 | 58 | 79 | 34 |
| 939 | Brain damage | 2 | 58 | 514 | 555 |
| 939 | international cooperation | 5 | 58 | 411 | 801 |
| 939 | Radio frequency | 7 | 58 | 337 | 612 |
| 939 | police | 1 | 58 | 628 | 280 |
| 949 | Serology | 4 | 57 | 438 | 667 |
| 949 | Requirements Engineering | 1 | 57 | 153 | 125 |
| 949 | Psychometrics | 3 | 57 | 426 | 490 |
| 949 | Nuclear Chemistry | 1 | 57 | 1742 | 936 |
| 949 | Infrared spectroscopy | 1 | 57 | 680 | 423 |
| 949 | Jurisprudence | 4 | 57 | 804 | 902 |
| 955 | Developmental Psychology | 5 | 56 | 753 | 1217 |
| 955 | locomotion | 2 | 56 | 767 | 799 |
| 955 | posture | 2 | 56 | 767 | 799 |
| 955 | Employee selection | 2 | 56 | 160 | 173 |
| 955 | carcinogens | 2 | 56 | 1263 | 1418 |
| 955 | gait | 2 | 56 | 767 | 799 |
| 955 | walking | 2 | 56 | 767 | 799 |
| 962 | microwave antennas | 7 | 55 | 233 | 381 |
| 962 | Green Technology | 4 | 55 | 287 | 506 |
| 962 | Celestial Mechanics | 4 | 55 | 159 | 216 |
| 965 | Ophthalmology | 3 | 53 | 1746 | 2093 |
| 965 | Speech-Language Pathology | 1 | 53 | 555 | 350 |
| 965 | Actuarial Science | 1 | 53 | 443 | 282 |
| 965 | Patient education | 3 | 53 | 551 | 867 |
| 965 | counseling | 3 | 53 | 1240 | 1418 |
| 965 | automatic speech recognition | 1 | 53 | 323 | 228 |
| 965 | insurance | 1 | 53 | 668 | 388 |
| 965 | Vision | 3 | 53 | 619 | 868 |
| 973 | Experimental Psychology | 2 | 52 | 669 | 641 |
| 973 | Functional equations | 6 | 52 | 93 | 116 |
| 973 | Microfluidics | 1 | 52 | 443 | 335 |
| 973 | Documentation | 3 | 52 | 297 | 336 |
| 973 | biological monitoring | 2 | 52 | 707 | 790 |
| 978 | Acoustics | 7 | 51 | 221 | 296 |
| 978 | optical instruments | 2 | 51 | 507 | 455 |
| 978 | optical phenomena | 2 | 51 | 183 | 167 |
| 981 | Criminology | 4 | 50 | 767 | 851 |
| 981 | Oral Medicine | 1 | 50 | 1126 | 676 |
| 981 | Biological Systems | 4 | 50 | 665 | 930 |
| 981 | Biotransformation | 2 | 50 | 166 | 121 |
| 981 | atmosphere | 1 | 50 | 1266 | 1095 |
| 986 | Cryptography | 1 | 49 | 1128 | 525 |
| 986 | Heterocyclic chemistry | 3 | 49 | 547 | 405 |
| 986 | psychophysics | 4 | 49 | 286 | 362 |
| 986 | Algal blooms | 4 | 49 | 216 | 528 |
| 986 | Cyanobacteria | 4 | 49 | 216 | 528 |
| 986 | Insects | 4 | 49 | 1328 | 1528 |
| 986 | crime | 3 | 49 | 642 | 607 |
| 986 | plant oils | 6 | 49 | 155 | 281 |
| 986 | microalgae | 4 | 49 | 216 | 528 |
| 995 | Agronomy | 1 | 48 | 1040 | 922 |
| 995 | Nutrition physiology | 2 | 48 | 953 | 1081 |
| 995 | Social policy | 10 | 48 | 475 | 1059 |
| 995 | Group decision making | 7 | 48 | 251 | 569 |
| 995 | Ventilation | 7 | 48 | 270 | 726 |
| 1000 | health services accessibility | 5 | 47 | 663 | 1184 |