| 1 | Materials | 1,206 | 43.2K | 116 | 167 |
| 2 | Biocompatible Materials | 542 | 29.6K | 87 | 101 |
| 3 | Nanotechnology | 526 | 24.5K | 183 | 221 |
| 4 | Materials Science | 467 | 22.4K | 179 | 167 |
| 5 | Physics | 805 | 20.5K | 490 | 830 |
| 6 | Composite Materials | 275 | 15.3K | 95 | 86 |
| 7 | Power Electronics | 420 | 14.7K | 11 | 19 |
| 8 | Telecommunication | 362 | 13.5K | 62 | 98 |
| 9 | Polymers | 308 | 12.5K | 330 | 262 |
| 10 | Signal Processing | 379 | 12.2K | 71 | 117 |
| 11 | Fracture mechanics | 546 | 12.0K | 1 | 10 |
| 12 | Chemical Engineering | 228 | 11.2K | 422 | 350 |
| 13 | Tribology | 422 | 11.1K | 6 | 6 |
| 14 | Chemistry | 344 | 10.8K | 964 | 1098 |
| 15 | Building Materials | 361 | 10.6K | 20 | 50 |
| 16 | Science | 274 | 10.5K | 818 | 1037 |
| 17 | Structural Engineering | 468 | 10.1K | 15 | 35 |
| 18 | Earthquake Engineering | 378 | 10.0K | 17 | 36 |
| 19 | Biochemical Engineering | 180 | 9.6K | 213 | 271 |
| 20 | vibration | 314 | 9.5K | 9 | 14 |
| 21 | Tunneling | 285 | 9.2K | 2 | 3 |
| 21 | underground construction | 285 | 9.2K | 2 | 3 |
| 23 | Information Science | 218 | 9.1K | 36 | 45 |
| 24 | nanoscience | 178 | 9.1K | 171 | 207 |
| 25 | Ocean Engineering | 362 | 9.1K | 31 | 35 |
| 26 | Nanostructured Materials | 208 | 9.0K | 196 | 181 |
| 27 | Structural dynamics | 225 | 8.9K | 14 | 21 |
| 28 | Engineering Geology | 328 | 8.5K | 14 | 28 |
| 29 | Transportation | 342 | 8.4K | 35 | 58 |
| 30 | Research | 290 | 8.3K | 689 | 726 |
| 31 | Optical materials | 110 | 8.0K | 254 | 169 |
| 32 | Artificial Intelligence | 280 | 7.9K | 102 | 188 |
| 33 | Intelligent Transportation Systems | 204 | 7.8K | 15 | 17 |
| 34 | Mechanical Engineering | 372 | 7.6K | 33 | 33 |
| 35 | Energy Policy | 168 | 7.6K | 97 | 119 |
| 36 | Automation | 142 | 7.3K | 167 | 178 |
| 37 | Colloids | 201 | 7.3K | 314 | 334 |
| 38 | Surface Chemistry | 205 | 7.1K | 307 | 305 |
| 39 | Wireless Communication Systems | 257 | 7.0K | 79 | 127 |
| 40 | Biology | 85 | 6.8K | 1562 | 1288 |
| 41 | Statistical physics | 253 | 6.7K | 318 | 333 |
| 42 | Optics | 487 | 6.7K | 194 | 288 |
| 43 | China | 370 | 6.4K | 67 | 76 |
| 44 | Image Processing | 153 | 6.4K | 118 | 151 |
| 45 | Neural circuitry | 122 | 6.4K | 79 | 52 |
| 46 | energy conservation | 129 | 6.3K | 88 | 134 |
| 47 | Analytical Chemistry | 181 | 6.2K | 441 | 414 |
| 48 | Renewable Energy Sources | 145 | 6.0K | 93 | 262 |
| 49 | Rock Mechanics | 195 | 6.0K | 23 | 40 |
| 50 | Electrical Engineering | 254 | 5.7K | 139 | 102 |
| 51 | Superconductors | 359 | 5.6K | 11 | 13 |
| 52 | polymerization | 176 | 5.4K | 417 | 404 |
| 53 | Soil Mechanics | 212 | 5.2K | 26 | 62 |
| 54 | electric vehicles | 220 | 5.1K | 1 | 2 |
| 55 | Mathematics | 361 | 4.9K | 491 | 478 |
| 56 | Plastics | 79 | 4.8K | 101 | 29 |
| 57 | Biochemistry | 214 | 4.4K | 1122 | 1405 |
| 58 | Mathematical Physics | 168 | 4.4K | 257 | 256 |
| 59 | plasticity | 60 | 4.4K | 11 | 17 |
| 60 | finance | 142 | 4.3K | 102 | 136 |
| 61 | Engineering | 277 | 4.3K | 134 | 233 |
| 62 | Information Theory | 151 | 4.2K | 53 | 93 |
| 63 | Medicine | 180 | 4.2K | 1136 | 1374 |
| 64 | Measurement | 205 | 4.2K | 14 | 23 |
| 65 | Metals | 96 | 4.2K | 220 | 202 |
| 66 | Manufacturing Processes | 116 | 3.7K | 177 | 170 |
| 67 | Pollution | 112 | 3.7K | 742 | 971 |
| 68 | Industrial Safety | 128 | 3.5K | 13 | 40 |
| 69 | Economics | 130 | 3.5K | 545 | 480 |
| 70 | energy resources | 49 | 3.4K | 139 | 156 |
| 71 | Biotechnology | 96 | 3.3K | 926 | 1032 |
| 72 | lasers | 159 | 3.2K | 118 | 123 |
| 73 | Bioengineering | 96 | 3.2K | 567 | 734 |
| 74 | Biophysics | 86 | 3.2K | 1049 | 935 |
| 75 | Systems Engineering | 141 | 3.2K | 70 | 125 |
| 76 | Metallurgy | 88 | 3.2K | 276 | 263 |
| 77 | actuators | 79 | 3.1K | 207 | 206 |
| 77 | transducers | 79 | 3.1K | 207 | 206 |
| 79 | Fuzzy systems | 146 | 3.1K | 7 | 18 |
| 80 | Photonics | 129 | 3.1K | 158 | 306 |
| 81 | Electronics | 279 | 3.0K | 163 | 393 |
| 82 | Nanostructures | 77 | 3.0K | 129 | 220 |
| 83 | Soil dynamics | 113 | 3.0K | 7 | 13 |
| 84 | environmental pollution | 106 | 3.0K | 540 | 752 |
| 85 | Molecular Biology | 98 | 3.0K | 1372 | 1500 |
| 86 | Ecology | 95 | 3.0K | 1025 | 1289 |
| 87 | System analysis | 106 | 2.9K | 149 | 159 |
| 88 | Civil Engineering | 261 | 2.9K | 19 | 42 |
| 89 | biological factors | 76 | 2.9K | 118 | 134 |
| 90 | Carbon | 57 | 2.8K | 134 | 175 |
| 91 | Technology | 140 | 2.8K | 330 | 466 |
| 92 | Catalysis | 62 | 2.6K | 919 | 894 |
| 93 | Transportation Engineering | 185 | 2.6K | 1 | 14 |
| 94 | Nanoparticles | 62 | 2.5K | 195 | 197 |
| 95 | Natural history | 15 | 2.5K | 1326 | 1255 |
| 96 | Nuclear Physics | 166 | 2.4K | 751 | 964 |
| 97 | management | 89 | 2.4K | 462 | 711 |
| 98 | Biomedical Engineering | 140 | 2.4K | 551 | 888 |
| 99 | Detectors | 133 | 2.3K | 37 | 63 |
| 100 | International Finance | 113 | 2.3K | 51 | 127 |
| 101 | Environmental monitoring | 62 | 2.2K | 615 | 753 |
| 102 | Internet of Things | 60 | 2.1K | 108 | 118 |
| 103 | internet | 59 | 2.1K | 142 | 163 |
| 104 | Environmental Management | 51 | 2.1K | 489 | 544 |
| 105 | Logistics | 74 | 2.1K | 9 | 27 |
| 106 | Landslides | 61 | 2.0K | 6 | 12 |
| 107 | Environmental Engineering | 102 | 2.0K | 373 | 714 |
| 108 | Electrochemistry | 74 | 2.0K | 886 | 772 |
| 109 | Environmental Health | 97 | 1.9K | 744 | 1149 |
| 110 | Quantum electronics | 89 | 1.9K | 153 | 149 |
| 111 | Remote Sensing | 121 | 1.9K | 49 | 71 |
| 112 | Astrophysics | 112 | 1.9K | 612 | 923 |
| 113 | Multimedia Systems | 93 | 1.9K | 90 | 117 |
| 114 | Friction | 55 | 1.9K | 2 | 2 |
| 115 | Production Engineering | 67 | 1.9K | 238 | 181 |
| 116 | Surface-Active Agents | 55 | 1.9K | 54 | 79 |
| 116 | Surface properties | 55 | 1.9K | 57 | 86 |
| 118 | Microelectronics | 33 | 1.8K | 447 | 386 |
| 119 | miniaturization | 37 | 1.8K | 394 | 446 |
| 120 | Spectrum analysis | 99 | 1.8K | 733 | 1014 |
| 121 | Cybernetics | 67 | 1.8K | 160 | 282 |
| 122 | Geophysics | 104 | 1.8K | 556 | 767 |
| 123 | Superconductivity | 94 | 1.7K | 13 | 23 |
| 124 | Ceramics | 54 | 1.7K | 175 | 165 |
| 125 | Control Theory | 105 | 1.7K | 151 | 233 |
| 126 | Green Chemistry | 32 | 1.7K | 428 | 402 |
| 127 | Heat Exchangers | 75 | 1.7K | 75 | 155 |
| 128 | Electromagnetism | 69 | 1.7K | 72 | 106 |
| 129 | Engineering Mathematics | 110 | 1.7K | 89 | 173 |
| 130 | Environmental Geology | 67 | 1.6K | 97 | 171 |
| 131 | Information Technology | 52 | 1.6K | 272 | 371 |
| 132 | Operations Research | 84 | 1.6K | 249 | 431 |
| 133 | reasoning | 31 | 1.6K | 18 | 10 |
| 134 | Ceramic materials | 64 | 1.6K | 104 | 140 |
| 135 | Fiber Optics | 69 | 1.5K | 92 | 123 |
| 136 | computer networks | 82 | 1.5K | 253 | 400 |
| 137 | Solar Energy | 42 | 1.5K | 220 | 277 |
| 138 | Production Management | 29 | 1.5K | 254 | 329 |
| 139 | Roads | 110 | 1.5K | 52 | 75 |
| 140 | Environment | 42 | 1.5K | 1209 | 1606 |
| 141 | Hazardous waste | 19 | 1.4K | 202 | 133 |
| 142 | radioactive waste | 18 | 1.4K | 161 | 121 |
| 142 | industrial waste | 18 | 1.4K | 173 | 121 |
| 144 | Magnetic Materials | 50 | 1.4K | 219 | 238 |
| 145 | Earth Sciences | 70 | 1.4K | 525 | 713 |
| 146 | Mountains | 87 | 1.4K | 6 | 3 |
| 147 | Combustion | 71 | 1.3K | 146 | 223 |
| 148 | Social Change | 17 | 1.3K | 270 | 199 |
| 149 | Pharmacology | 51 | 1.3K | 1217 | 1326 |
| 150 | Water | 34 | 1.3K | 642 | 768 |
| 151 | Sustainable Engineering | 26 | 1.3K | 401 | 350 |
| 152 | Dynamics | 93 | 1.3K | 56 | 118 |
| 153 | Radio | 47 | 1.3K | 282 | 375 |
| 154 | Forecasting | 26 | 1.2K | 48 | 47 |
| 154 | Metallography | 56 | 1.2K | 50 | 74 |
| 156 | Investment analysis | 49 | 1.2K | 36 | 66 |
| 157 | Signal Transduction | 6 | 1.2K | 890 | 394 |
| 158 | Radio waves | 44 | 1.2K | 168 | 212 |
| 159 | Water pollution | 39 | 1.1K | 661 | 818 |
| 160 | Nondestructive testing | 64 | 1.1K | 27 | 56 |
| 161 | Geotechnical Engineering | 42 | 1.1K | 72 | 97 |
| 162 | Communication | 23 | 1.1K | 649 | 503 |
| 163 | mass transfer | 49 | 1.1K | 295 | 435 |
| 164 | multimedia | 25 | 1.1K | 104 | 91 |
| 164 | Interactive multimedia | 25 | 1.1K | 110 | 91 |
| 166 | Cancer | 25 | 1.1K | 957 | 935 |
| 167 | Energy Conversion | 20 | 1.1K | 405 | 508 |
| 168 | Smart Materials | 63 | 1.1K | 60 | 134 |
| 169 | Geomorphology | 24 | 1.1K | 420 | 380 |
| 170 | Solid State Physics | 93 | 1.0K | 783 | 1097 |
| 171 | United States | 42 | 1.0K | 1167 | 1167 |
| 172 | Asia | 38 | 1.0K | 477 | 316 |
| 173 | Boundary Value Problems | 61 | 1.0K | 47 | 99 |
| 174 | Antenna Arrays | 54 | 1.0K | 48 | 94 |
| 175 | Fluid Mechanics | 53 | 989 | 224 | 339 |
| 176 | Geographic information systems | 66 | 985 | 44 | 73 |
| 177 | Condensed Matter | 66 | 981 | 802 | 1015 |
| 178 | coal | 40 | 980 | 276 | 464 |
| 179 | Pharmaceutical Chemistry | 52 | 969 | 819 | 1082 |
| 180 | Highway Engineering | 57 | 963 | 15 | 34 |
| 181 | Telecommunication Systems | 75 | 957 | 84 | 186 |
| 182 | Mining Engineering | 24 | 956 | 99 | 92 |
| 183 | Cryptography | 82 | 955 | 5 | 29 |
| 184 | Nuclear Fusion | 73 | 949 | 90 | 117 |
| 184 | Microwaves | 72 | 949 | 198 | 264 |
| 186 | Robotics | 43 | 947 | 307 | 387 |
| 187 | Astronomy | 50 | 945 | 773 | 983 |
| 188 | Structural design | 64 | 924 | 41 | 133 |
| 189 | machinery | 29 | 921 | 107 | 75 |
| 190 | Optical Communications | 62 | 916 | 47 | 73 |
| 191 | natural disasters | 52 | 913 | 68 | 241 |
| 192 | environmental protection | 69 | 899 | 460 | 1085 |
| 193 | Process Control | 21 | 884 | 218 | 329 |
| 194 | mathematical analysis | 80 | 880 | 379 | 491 |
| 195 | Geology | 49 | 868 | 757 | 883 |
| 196 | Mechatronics | 50 | 866 | 84 | 155 |
| 197 | Traffic Engineering | 46 | 858 | 20 | 79 |
| 198 | Nonlinear mechanics | 23 | 855 | 55 | 29 |
| 199 | Cell death | 15 | 836 | 459 | 457 |
| 200 | Computational Intelligence | 45 | 826 | 26 | 49 |
| 201 | Seismology | 35 | 822 | 72 | 94 |
| 202 | Computer Science | 86 | 816 | 83 | 272 |
| 203 | hazard mitigation | 44 | 815 | 40 | 131 |
| 204 | impact | 23 | 805 | 53 | 74 |
| 205 | Solitons | 31 | 798 | 160 | 173 |
| 205 | Fractals | 31 | 798 | 163 | 173 |
| 205 | Chaos | 31 | 798 | 160 | 173 |
| 208 | Nonlinear Dynamics | 17 | 783 | 898 | 648 |
| 209 | marketing | 29 | 766 | 540 | 706 |
| 210 | Business | 26 | 740 | 670 | 904 |
| 211 | Econometrics | 19 | 730 | 483 | 366 |
| 212 | Environmental Chemistry | 7 | 726 | 1291 | 805 |
| 213 | Coding Theory | 46 | 718 | 9 | 12 |
| 214 | Microbiology | 24 | 711 | 2115 | 2267 |
| 215 | Solid State Chemistry | 65 | 707 | 416 | 736 |
| 216 | Business Ethics | 5 | 699 | 760 | 489 |
| 216 | econometric models | 14 | 699 | 121 | 77 |
| 218 | Public Health | 26 | 692 | 1575 | 1546 |
| 219 | Geochemistry | 30 | 685 | 617 | 736 |
| 220 | Environmental Policy | 25 | 678 | 986 | 1335 |
| 221 | Economic History | 36 | 676 | 847 | 837 |
| 222 | Mobile Computing | 22 | 671 | 273 | 271 |
| 223 | biopolymers | 20 | 657 | 379 | 371 |
| 224 | Clinical Chemistry | 26 | 656 | 795 | 947 |
| 225 | Energy Storage | 32 | 638 | 230 | 417 |
| 226 | Intelligent Control Systems | 81 | 635 | 19 | 90 |
| 226 | Developing countries | 43 | 635 | 362 | 623 |
| 228 | Semiconductors | 35 | 633 | 482 | 479 |
| 229 | Ultrasonics | 15 | 624 | 425 | 390 |
| 230 | Numerical Analysis | 58 | 610 | 353 | 602 |
| 231 | Differential Equations | 21 | 606 | 324 | 237 |
| 232 | health planning | 37 | 605 | 425 | 527 |
| 233 | fuel cells | 21 | 595 | 397 | 568 |
| 234 | Computer-Aided Design | 26 | 593 | 268 | 306 |
| 235 | Bioorganic chemistry | 59 | 590 | 489 | 1090 |
| 236 | city planning | 33 | 576 | 331 | 485 |
| 237 | Nonlinear systems | 22 | 572 | 106 | 115 |
| 238 | Mineral resources | 20 | 571 | 66 | 129 |
| 239 | Computer Graphics | 39 | 568 | 348 | 564 |
| 240 | sanitation | 12 | 565 | 662 | 824 |
| 241 | Energy Consumption | 14 | 552 | 83 | 151 |
| 242 | Biomass Energy | 15 | 550 | 1043 | 1169 |
| 243 | Nervous system | 26 | 540 | 722 | 981 |
| 244 | environmental indicators | 15 | 538 | 370 | 430 |
| 245 | Entropy | 44 | 537 | 58 | 128 |
| 246 | Biosensors | 15 | 533 | 488 | 693 |
| 247 | Project Management | 6 | 528 | 147 | 139 |
| 247 | Corporate Social Responsibility | 6 | 528 | 111 | 85 |
| 247 | environmental auditing | 6 | 528 | 117 | 86 |
| 250 | Computational Fluid Dynamics | 32 | 526 | 74 | 158 |
| 251 | Pharmacognosy | 36 | 525 | 383 | 767 |
| 252 | Soil Science | 20 | 517 | 627 | 758 |
| 253 | Nanochemistry | 33 | 508 | 135 | 238 |
| 254 | Quantum Gravity | 37 | 507 | 776 | 974 |
| 254 | Glass | 22 | 507 | 299 | 363 |
| 256 | pottery | 21 | 506 | 295 | 356 |
| 257 | concrete | 30 | 505 | 192 | 497 |
| 258 | Hydrology | 25 | 504 | 727 | 905 |
| 259 | structural stability | 32 | 503 | 25 | 117 |
| 260 | North America | 20 | 473 | 180 | 143 |
| 261 | Structural health monitoring | 31 | 472 | 8 | 53 |
| 262 | drugs | 17 | 469 | 720 | 729 |
| 263 | Geomagnetism | 13 | 466 | 276 | 235 |
| 264 | Nutrition | 17 | 465 | 1625 | 1745 |
| 265 | economic policy | 17 | 456 | 954 | 655 |
| 266 | Calorimetry | 21 | 448 | 281 | 260 |
| 266 | Thermal analysis | 21 | 448 | 281 | 260 |
| 268 | Social Sciences | 34 | 443 | 853 | 1039 |
| 268 | Ultrasound | 13 | 443 | 278 | 234 |
| 270 | Nonlinear functional analysis | 23 | 439 | 292 | 303 |
| 271 | Ultrasonic Imaging | 11 | 436 | 195 | 121 |
| 272 | Nuclear Engineering | 44 | 435 | 292 | 374 |
| 273 | Planets | 24 | 423 | 528 | 780 |
| 274 | Waste management | 21 | 421 | 362 | 385 |
| 275 | Building | 24 | 420 | 130 | 143 |
| 276 | Structural optimization | 17 | 416 | 82 | 121 |
| 276 | natural products | 36 | 416 | 340 | 598 |
| 278 | Biomolecules | 15 | 415 | 90 | 193 |
| 279 | Biomechanics | 26 | 414 | 317 | 539 |
| 280 | big data | 15 | 413 | 90 | 138 |
| 281 | Educational Technology | 2 | 402 | 1979 | 591 |
| 282 | Chemical analysis | 11 | 401 | 503 | 440 |
| 283 | population geography | 18 | 399 | 57 | 96 |
| 284 | Computer Vision | 18 | 398 | 364 | 568 |
| 285 | energy development | 21 | 392 | 133 | 407 |
| 286 | economic forecasting | 4 | 390 | 243 | 122 |
| 286 | Diet | 9 | 390 | 990 | 1031 |
| 288 | microwave communication systems | 10 | 388 | 162 | 115 |
| 288 | Microwave devices | 10 | 388 | 221 | 142 |
| 288 | Recycling | 8 | 388 | 283 | 404 |
| 291 | Materials Engineering | 43 | 386 | 28 | 98 |
| 291 | Evolutionary Computation | 8 | 386 | 186 | 272 |
| 291 | Molecular structure | 62 | 386 | 297 | 963 |
| 294 | Metallic Glasses | 15 | 380 | 137 | 159 |
| 295 | Biopharmaceutics | 8 | 377 | 586 | 482 |
| 296 | Physical Chemistry | 19 | 374 | 841 | 1012 |
| 297 | Wireless Communication | 20 | 365 | 38 | 43 |
| 298 | Cell Biology | 21 | 363 | 1348 | 1916 |
| 298 | Geodesy | 20 | 363 | 130 | 201 |
| 300 | Psychiatry | 7 | 360 | 2293 | 1733 |
| 301 | Algebra | 37 | 358 | 349 | 355 |
| 301 | Food | 8 | 358 | 1869 | 1621 |
| 303 | Bioelectronics | 8 | 353 | 630 | 789 |
| 304 | Sociology | 23 | 350 | 965 | 1205 |
| 305 | Mechanics | 48 | 349 | 154 | 427 |
| 306 | Adaptive control systems | 24 | 348 | 85 | 129 |
| 306 | Ore deposits | 17 | 348 | 161 | 229 |
| 308 | Public Policy | 15 | 334 | 655 | 770 |
| 309 | Cell differentiation | 7 | 332 | 848 | 921 |
| 310 | commerce | 26 | 331 | 318 | 714 |
| 311 | Statistical Mechanics | 14 | 328 | 253 | 223 |
| 312 | Computational Complexity | 19 | 323 | 217 | 217 |
| 313 | Thermodynamics | 24 | 321 | 268 | 317 |
| 314 | Tourism | 18 | 317 | 544 | 998 |
| 315 | Fluid Dynamics | 16 | 308 | 412 | 507 |
| 316 | Geography | 10 | 306 | 1069 | 992 |
| 316 | Organic Chemistry | 35 | 306 | 998 | 1556 |
| 318 | Genetic algorithms | 4 | 304 | 248 | 260 |
| 319 | probabilities | 13 | 300 | 659 | 464 |
| 320 | Hydrogeology | 19 | 299 | 123 | 252 |
| 321 | Sustainable Development | 18 | 297 | 609 | 1094 |
| 321 | software | 12 | 297 | 408 | 577 |
| 323 | Nanobiotechnology | 9 | 296 | 134 | 271 |
| 324 | Psychology | 24 | 294 | 1664 | 2119 |
| 325 | Municipal Engineering | 9 | 293 | 87 | 74 |
| 325 | Photogrammetry | 64 | 293 | 48 | 91 |
| 327 | Decision making | 17 | 286 | 464 | 681 |
| 328 | Botany | 16 | 284 | 1656 | 2043 |
| 329 | Technological Innovations | 13 | 283 | 338 | 488 |
| 330 | Computer Engineering | 15 | 280 | 236 | 267 |
| 330 | Cytology | 19 | 280 | 1500 | 2149 |
| 332 | Formal Languages | 11 | 277 | 76 | 25 |
| 333 | Physical organic chemistry | 24 | 276 | 401 | 710 |
| 334 | Telecommunications | 16 | 273 | 157 | 181 |
| 335 | Molecular Pharmacology | 6 | 267 | 531 | 506 |
| 336 | Pharmacy | 12 | 265 | 960 | 1076 |
| 336 | Diagnostic Imaging | 6 | 265 | 1179 | 856 |
| 336 | solar power | 10 | 265 | 347 | 521 |
| 336 | solar cells | 10 | 265 | 397 | 563 |
| 340 | Interfaces | 2 | 264 | 449 | 73 |
| 341 | Toxicology | 12 | 263 | 2191 | 2475 |
| 341 | Autoantibodies | 2 | 263 | 589 | 336 |
| 341 | Autoimmunity | 2 | 263 | 715 | 462 |
| 341 | Autoimmune diseases | 2 | 263 | 635 | 365 |
| 345 | Medicinal plants | 22 | 261 | 329 | 904 |
| 346 | Industrial Engineering | 15 | 259 | 709 | 968 |
| 347 | Electromagnetic compatibility | 20 | 257 | 78 | 122 |
| 348 | environmental exposure | 12 | 253 | 841 | 1143 |
| 349 | Simulation Methods | 15 | 252 | 271 | 364 |
| 350 | Atomic spectroscopy | 21 | 249 | 348 | 511 |
| 351 | Systems Analysis | 17 | 244 | 328 | 491 |
| 352 | Soft Condensed Matter | 6 | 242 | 704 | 602 |
| 353 | Sound | 31 | 239 | 206 | 427 |
| 354 | Cellulose | 10 | 238 | 235 | 343 |
| 355 | Computational Biology | 17 | 236 | 903 | 1343 |
| 355 | Financial Engineering | 5 | 236 | 40 | 28 |
| 357 | Money | 7 | 235 | 140 | 178 |
| 358 | Luminescence | 13 | 234 | 553 | 595 |
| 359 | fusion reactors | 26 | 232 | 98 | 118 |
| 360 | Geothermal Energy | 14 | 231 | 47 | 88 |
| 361 | Eastern Europe | 20 | 230 | 164 | 184 |
| 362 | Crystal growth | 8 | 229 | 613 | 573 |
| 363 | Transnational corporations | 22 | 228 | 24 | 154 |
| 363 | Industry | 1 | 228 | 433 | 182 |
| 365 | Social policy | 9 | 227 | 525 | 435 |
| 365 | planning | 9 | 227 | 317 | 263 |
| 365 | Economic planning | 9 | 227 | 200 | 218 |
| 368 | Petroleum Engineering | 8 | 226 | 369 | 341 |
| 369 | Water quality management | 23 | 224 | 495 | 876 |
| 370 | Urban Policy | 6 | 222 | 549 | 490 |
| 371 | Analytical Biochemistry | 13 | 218 | 734 | 947 |
| 372 | Statistics | 22 | 217 | 982 | 1164 |
| 372 | Visual Communication | 11 | 217 | 108 | 118 |
| 372 | Image enhancement | 11 | 217 | 82 | 109 |
| 375 | Climatology | 7 | 216 | 1088 | 1086 |
| 376 | Data Mining | 13 | 213 | 622 | 976 |
| 377 | Aerospace Engineering | 18 | 207 | 60 | 60 |
| 378 | Cognitive Science | 16 | 204 | 554 | 1039 |
| 378 | Quantum Optics | 19 | 204 | 272 | 430 |
| 380 | Bioinformatics | 23 | 202 | 616 | 1202 |
| 381 | Lightweight concrete | 6 | 200 | 258 | 465 |
| 382 | Freezing | 31 | 199 | 34 | 81 |
| 383 | Health Policy | 3 | 196 | 1806 | 1088 |
| 383 | Laser Spectroscopy | 18 | 196 | 244 | 396 |
| 385 | bioluminescence | 9 | 191 | 110 | 76 |
| 386 | traffic safety | 13 | 186 | 57 | 100 |
| 387 | clay | 6 | 182 | 523 | 655 |
| 388 | Nuclear Energy | 16 | 181 | 337 | 443 |
| 388 | Sonochemistry | 2 | 181 | 815 | 622 |
| 390 | Industrial Design | 6 | 180 | 120 | 135 |
| 390 | Noise | 25 | 180 | 2 | 22 |
| 392 | Earthquakes | 10 | 178 | 146 | 164 |
| 393 | Meteorology | 11 | 171 | 1051 | 1556 |
| 394 | Hydraulic Engineering | 6 | 166 | 581 | 552 |
| 395 | Immunotherapy | 9 | 165 | 863 | 1212 |
| 395 | Urban Transportation | 19 | 165 | 5 | 26 |
| 395 | bioclimatology | 5 | 165 | 680 | 585 |
| 398 | Radiation | 22 | 164 | 698 | 1178 |
| 398 | Energy Harvesting | 5 | 164 | 311 | 505 |
| 400 | Immunopharmacology | 9 | 162 | 523 | 716 |
| 400 | Capital market | 11 | 162 | 127 | 292 |
| 402 | Environmental Toxicology | 8 | 159 | 1419 | 1872 |
| 402 | cytokines | 9 | 159 | 588 | 909 |
| 404 | Minerals | 7 | 158 | 410 | 471 |
| 405 | carbon monoxide | 1 | 157 | 673 | 293 |
| 406 | Histology | 8 | 152 | 1041 | 1270 |
| 407 | Land use | 9 | 148 | 573 | 885 |
| 407 | Cardiovascular system | 1 | 148 | 1397 | 1109 |
| 409 | plasma spraying | 12 | 147 | 65 | 128 |
| 410 | Humanities | 22 | 145 | 381 | 762 |
| 411 | Database Management | 4 | 141 | 643 | 561 |
| 412 | Parallel Processing | 9 | 137 | 227 | 392 |
| 413 | Pharmaceutical Technology | 9 | 136 | 857 | 1191 |
| 414 | Drug design | 10 | 135 | 731 | 1155 |
| 415 | Adhesion | 7 | 134 | 367 | 410 |
| 415 | Group decision making | 6 | 134 | 292 | 331 |
| 415 | adhesives | 7 | 134 | 396 | 414 |
| 418 | Databases | 3 | 133 | 362 | 270 |
| 419 | Computer Architecture | 2 | 132 | 679 | 254 |
| 419 | soil management | 2 | 132 | 654 | 539 |
| 419 | Microprocessors | 2 | 132 | 778 | 322 |
| 419 | particles | 9 | 132 | 466 | 704 |
| 419 | tillage | 2 | 132 | 484 | 463 |
| 424 | Chromatography | 12 | 128 | 725 | 1094 |
| 424 | Chromatographic analysis | 12 | 128 | 867 | 1193 |
| 426 | water supply | 5 | 127 | 615 | 750 |
| 426 | pigments | 4 | 127 | 738 | 674 |
| 428 | Environmental pollutants | 6 | 126 | 1543 | 1909 |
| 429 | Neurology | 14 | 124 | 1967 | 2950 |
| 430 | Microbial Biotechnology | 6 | 123 | 620 | 809 |
| 431 | Cosmology | 12 | 121 | 265 | 488 |
| 431 | Genomics | 10 | 121 | 1469 | 2129 |
| 433 | Central Asia | 5 | 119 | 69 | 87 |
| 434 | Medical Laboratory Science | 3 | 118 | 1737 | 1704 |
| 435 | Ergonomics | 10 | 116 | 460 | 640 |
| 435 | Quality Control | 5 | 116 | 1267 | 1383 |
| 435 | Electrophoresis | 10 | 116 | 831 | 1231 |
| 438 | Finite Element Method | 5 | 115 | 232 | 210 |
| 439 | Photography | 110 | 114 | 177 | 304 |
| 439 | Climate | 2 | 114 | 706 | 503 |
| 439 | weather | 2 | 114 | 695 | 473 |
| 442 | Virology | 2 | 113 | 2368 | 2111 |
| 442 | Europe | 8 | 113 | 1700 | 1876 |
| 444 | pollutants | 5 | 112 | 1386 | 1765 |
| 445 | human development | 3 | 111 | 770 | 755 |
| 446 | Water Purification | 11 | 110 | 506 | 821 |
| 447 | nuclear astrophysics | 9 | 108 | 250 | 432 |
| 447 | Imaging systems | 8 | 108 | 390 | 396 |
| 449 | Plants | 3 | 107 | 1863 | 1656 |
| 450 | Developmental Biology | 2 | 105 | 1869 | 1636 |
| 450 | emergency management | 9 | 105 | 274 | 576 |
| 450 | Oxidative stress | 3 | 105 | 803 | 1086 |
| 450 | Cognitive neuroscience | 3 | 105 | 884 | 922 |
| 450 | Plant tissue culture | 2 | 105 | 846 | 634 |
| 450 | Plant cell culture | 2 | 105 | 758 | 622 |
| 456 | Welding | 9 | 102 | 101 | 77 |
| 456 | Japan | 7 | 102 | 1073 | 1230 |
| 458 | Mass Media | 8 | 101 | 448 | 378 |
| 458 | East Asia | 14 | 101 | 160 | 311 |
| 460 | Molecules | 17 | 100 | 631 | 1026 |
| 461 | Architectural Design | 12 | 99 | 128 | 257 |
| 461 | nuclear power | 7 | 99 | 257 | 239 |
| 461 | Social work | 7 | 99 | 859 | 927 |
| 464 | Regional Planning | 6 | 98 | 1037 | 1177 |
| 464 | Neuroplasticity | 2 | 98 | 322 | 277 |
| 466 | Plasma chemistry | 5 | 97 | 278 | 326 |
| 466 | Regeneration | 9 | 97 | 17 | 37 |
| 466 | Organometallic chemistry | 10 | 97 | 1202 | 1595 |
| 466 | Plasma polymerization | 5 | 97 | 171 | 228 |
| 466 | data protection | 9 | 97 | 192 | 345 |
| 471 | free radicals | 4 | 96 | 1041 | 1371 |
| 472 | sustainability | 6 | 95 | 533 | 954 |
| 473 | Iron | 9 | 94 | 140 | 210 |
| 474 | Herbal medicine | 6 | 93 | 433 | 878 |
| 475 | cryosphere | 2 | 92 | 401 | 360 |
| 476 | Physiology | 8 | 89 | 2274 | 3079 |
| 476 | Metabolic syndrome | 2 | 89 | 346 | 212 |
| 478 | Epidemiology | 9 | 88 | 1770 | 2522 |
| 478 | Social Psychology | 7 | 88 | 1415 | 1939 |
| 478 | Petrology | 7 | 88 | 609 | 858 |
| 478 | infrared radiation | 18 | 88 | 118 | 392 |
| 482 | Medical genetics | 4 | 87 | 1495 | 1893 |
| 482 | Porous materials | 10 | 87 | 291 | 580 |
| 482 | Biodiversity | 11 | 87 | 1057 | 1823 |
| 485 | Agricultural Chemistry | 7 | 86 | 1385 | 1963 |
| 486 | Tissue Engineering | 3 | 85 | 340 | 345 |
| 486 | Marine resources | 2 | 85 | 808 | 657 |
| 486 | ports | 2 | 85 | 266 | 209 |
| 486 | Groundwater | 3 | 85 | 503 | 517 |
| 486 | catalytic activity | 8 | 85 | 367 | 723 |
| 491 | Educational Psychology | 6 | 84 | 973 | 1258 |
| 491 | Brain | 5 | 84 | 1764 | 2123 |
| 493 | Population | 3 | 83 | 830 | 888 |
| 494 | Swarm Intelligence | 4 | 82 | 204 | 365 |
| 494 | Government agencies | 1 | 82 | 117 | 43 |
| 494 | civil service | 1 | 82 | 617 | 348 |
| 497 | Industrial Microbiology | 4 | 81 | 1587 | 1985 |
| 497 | Cognitive Radio Networks | 5 | 81 | 126 | 202 |
| 497 | Environmental Geochemistry | 3 | 81 | 551 | 536 |
| 500 | Risk Management | 8 | 80 | 302 | 632 |
| 501 | Human-Computer Interaction | 9 | 79 | 826 | 1453 |
| 501 | visualization | 7 | 79 | 852 | 782 |
| 501 | Mental illness | 3 | 79 | 1480 | 1661 |
| 504 | Stochastic Processes | 5 | 76 | 705 | 734 |
| 504 | Natural resources | 1 | 76 | 1150 | 812 |
| 504 | Hydrodynamics | 1 | 76 | 824 | 612 |
| 504 | public works | 11 | 76 | 37 | 93 |
| 508 | Medical Physics | 6 | 75 | 1014 | 1369 |
| 508 | Bifurcation Theory | 4 | 75 | 192 | 213 |
| 508 | Bioinorganic chemistry | 5 | 75 | 1096 | 1338 |
| 508 | Geodynamics | 6 | 75 | 610 | 860 |
| 508 | explosives | 4 | 75 | 131 | 102 |
| 513 | Cosmochemistry | 3 | 74 | 828 | 926 |
| 513 | infrared technology | 16 | 74 | 38 | 83 |
| 515 | soil conservation | 6 | 73 | 494 | 857 |
| 515 | Quality of life | 5 | 73 | 1036 | 1500 |
| 515 | Ecological disturbances | 5 | 73 | 15 | 45 |
| 515 | Environmental disasters | 5 | 73 | 15 | 45 |
| 519 | Molecular Microbiology | 2 | 71 | 869 | 1015 |
| 520 | Ventilation | 9 | 70 | 201 | 505 |
| 521 | Financial management | 2 | 69 | 563 | 608 |
| 521 | Organometallic compounds | 6 | 69 | 947 | 1250 |
| 523 | Emergency Medical Services | 5 | 68 | 439 | 580 |
| 523 | Experimental Design | 1 | 68 | 438 | 287 |
| 523 | atmosphere | 4 | 68 | 615 | 881 |
| 523 | Investments | 4 | 68 | 413 | 438 |
| 527 | Radiography | 3 | 67 | 658 | 891 |
| 527 | micromechanics | 4 | 67 | 492 | 629 |
| 529 | Orthopedics | 8 | 66 | 804 | 1174 |
| 529 | Physical Geography | 4 | 66 | 415 | 544 |
| 529 | Molecular Spectroscopy | 7 | 66 | 1236 | 1758 |
| 532 | Environmental Microbiology | 2 | 65 | 1483 | 1642 |
| 532 | Information Systems | 4 | 65 | 1181 | 1472 |
| 532 | Microbial Ecology | 2 | 65 | 2103 | 2385 |
| 532 | indoor air pollution | 6 | 65 | 197 | 444 |
| 532 | libraries | 2 | 65 | 683 | 450 |
| 532 | Sick building syndrome | 6 | 65 | 197 | 444 |
| 538 | Human Geography | 3 | 64 | 1049 | 991 |
| 538 | Food additives | 1 | 64 | 1618 | 1401 |
| 538 | hydrocolloids | 1 | 64 | 968 | 1028 |
| 541 | Functional Analysis | 8 | 63 | 884 | 1162 |
| 541 | Cartography | 17 | 63 | 77 | 331 |
| 541 | Green Technology | 2 | 63 | 562 | 492 |
| 544 | Information Retrieval | 2 | 62 | 596 | 551 |
| 544 | Orthopedic Surgery | 7 | 62 | 419 | 678 |
| 546 | Organizational change | 6 | 61 | 457 | 799 |
| 546 | Electrochemical Analysis | 5 | 61 | 1261 | 1608 |
| 548 | Synchrotron Radiation | 7 | 60 | 185 | 348 |
| 548 | cell interaction | 1 | 60 | 1353 | 1208 |
| 548 | Cell communication | 1 | 60 | 901 | 829 |
| 551 | Climate change | 2 | 59 | 1081 | 1473 |
| 551 | Biodiversity conservation | 2 | 59 | 1598 | 1776 |
| 551 | Eutrophication | 2 | 59 | 996 | 1415 |
| 551 | Social behavior | 4 | 59 | 987 | 1241 |
| 555 | Landscape Ecology | 2 | 58 | 542 | 633 |
| 555 | Organizational learning | 7 | 58 | 130 | 422 |
| 555 | Rock deformation | 3 | 58 | 192 | 290 |
| 555 | Knowledge management | 7 | 58 | 105 | 351 |
| 555 | Diabetes | 4 | 58 | 1385 | 1839 |
| 555 | Oxidation-reduction | 1 | 58 | 1065 | 1100 |
| 561 | Radio wave propagation | 11 | 55 | 307 | 666 |
| 561 | Convergence | 1 | 55 | 117 | 137 |
| 563 | Demography | 1 | 54 | 1002 | 770 |
| 563 | Harmonic Analysis | 1 | 54 | 286 | 217 |
| 563 | Geobiology | 3 | 54 | 414 | 557 |
| 566 | Diabetes mellitus | 2 | 53 | 1721 | 1855 |
| 566 | Alternative Medicine | 6 | 53 | 966 | 1820 |
| 566 | water reuse | 4 | 53 | 244 | 493 |
| 566 | Transplantation | 1 | 53 | 1058 | 943 |
| 566 | textile fibers | 3 | 53 | 441 | 404 |
| 571 | Pathology | 4 | 52 | 1349 | 1852 |
| 571 | Human genetics | 2 | 52 | 1562 | 2045 |
| 571 | Cell division | 4 | 52 | 269 | 561 |
| 571 | Stem cells | 4 | 52 | 982 | 1408 |
| 575 | Cloud Computing | 3 | 51 | 308 | 506 |
| 575 | Pharmacokinetics | 1 | 51 | 1240 | 1093 |
| 575 | Emergency Medicine | 4 | 51 | 964 | 1089 |
| 575 | Mass Spectrometry | 5 | 51 | 845 | 1103 |
| 575 | Chromosome mapping | 4 | 51 | 1320 | 1948 |
| 575 | gene mapping | 4 | 51 | 1427 | 2119 |
| 581 | Adolescent | 4 | 50 | 1651 | 1967 |
| 581 | Navigation | 3 | 50 | 272 | 235 |
| 581 | Muscle contraction | 10 | 50 | 72 | 168 |
| 584 | Metabolism | 4 | 49 | 1619 | 2329 |
| 584 | microwave antennas | 9 | 49 | 151 | 349 |
| 584 | Electromagnetic fields | 7 | 49 | 175 | 225 |
| 584 | Birth control | 1 | 49 | 751 | 591 |
| 588 | Cellular senescence | 2 | 47 | 385 | 810 |
| 588 | Bioremediation | 2 | 47 | 1103 | 1275 |
| 588 | Optoelectronic devices | 5 | 47 | 735 | 848 |
| 588 | Testing | 3 | 47 | 62 | 80 |
| 592 | Risk assessment | 10 | 46 | 181 | 748 |
| 592 | Ubiquitous computing | 5 | 46 | 144 | 195 |
| 592 | Cardiovascular diseases | 6 | 46 | 924 | 1375 |
| 595 | Fuzzy Logic | 2 | 45 | 78 | 117 |
| 595 | Fuzzy Sets | 2 | 45 | 78 | 117 |
| 595 | Fuzzy algorithms | 2 | 45 | 78 | 117 |
| 598 | Nanoelectronics | 4 | 44 | 656 | 765 |
| 598 | Neurophysiology | 3 | 44 | 2260 | 2745 |
| 598 | Photochemistry | 2 | 44 | 1869 | 1977 |
| 598 | Molecular evolution | 4 | 44 | 1178 | 1923 |
| 598 | Photobiology | 2 | 44 | 1613 | 1717 |
| 603 | soil pollution | 4 | 43 | 434 | 789 |
| 603 | Molecular ecology | 1 | 43 | 1347 | 1492 |
| 603 | Egypt | 1 | 43 | 1125 | 860 |
| 606 | Respiratory Therapy | 2 | 42 | 34 | 35 |
| 606 | Neuropsychology | 4 | 42 | 1725 | 2309 |
| 606 | Neuropsychiatry | 1 | 42 | 1061 | 950 |
| 606 | Inventory Control | 1 | 42 | 179 | 179 |
| 606 | gases | 2 | 42 | 34 | 35 |
| 611 | Surveying | 6 | 41 | 69 | 98 |
| 611 | consumer behavior | 5 | 41 | 377 | 904 |
| 611 | Evidence-Based Medicine | 2 | 41 | 876 | 996 |
| 611 | Entrepreneurship | 2 | 41 | 1250 | 1545 |
| 611 | radar | 2 | 41 | 217 | 213 |
| 611 | Sonar | 2 | 41 | 183 | 185 |
| 611 | Chemical industry | 4 | 41 | 1112 | 1406 |
| 611 | Quantum theory | 6 | 41 | 730 | 1040 |
| 619 | Speech Perception | 1 | 40 | 576 | 534 |
| 619 | auditory perception | 1 | 40 | 691 | 610 |
| 619 | Sensor Networks | 1 | 40 | 529 | 313 |
| 619 | Multilingualism | 3 | 40 | 275 | 423 |
| 619 | Environmental risk assessment | 5 | 40 | 227 | 535 |
| 619 | wood | 1 | 40 | 765 | 529 |
| 619 | mathematical concepts | 6 | 40 | 224 | 438 |
| 619 | Nitric oxide | 2 | 40 | 340 | 517 |
| 619 | language | 1 | 40 | 1258 | 1038 |
| 628 | Oncology | 3 | 39 | 1669 | 2428 |
| 628 | Infertility | 1 | 39 | 981 | 1063 |
| 628 | economic analysis | 3 | 39 | 224 | 392 |
| 628 | Australia | 3 | 39 | 1701 | 1900 |
| 628 | fertility | 1 | 39 | 1062 | 1126 |
| 633 | Neurochemistry | 3 | 38 | 1882 | 2401 |
| 633 | Magnetism | 6 | 38 | 79 | 88 |
| 635 | Ophthalmology | 2 | 37 | 1580 | 1711 |
| 635 | air quality management | 4 | 37 | 395 | 861 |
| 635 | Biodegradation | 2 | 37 | 930 | 1248 |
| 635 | Latin America | 3 | 37 | 1137 | 934 |
| 639 | Naval Architecture | 3 | 36 | 301 | 365 |
| 639 | Hydraulic structures | 5 | 36 | 19 | 43 |
| 639 | Futures | 5 | 36 | 215 | 426 |
| 639 | Genetic therapy | 2 | 36 | 976 | 1199 |
| 643 | Marine Biology | 2 | 35 | 2474 | 2727 |
| 643 | Marine Pollution | 2 | 35 | 1360 | 1759 |
| 643 | Small Business | 1 | 35 | 1149 | 1308 |
| 643 | organizational effectiveness | 1 | 35 | 819 | 647 |
| 643 | Alloys | 3 | 35 | 279 | 246 |
| 643 | extraterrestrial environment | 2 | 35 | 705 | 723 |
| 643 | astronomical phenomena | 2 | 35 | 639 | 673 |
| 650 | Urban Planning | 2 | 34 | 498 | 672 |
| 650 | Nanomedicine | 1 | 34 | 491 | 530 |
| 650 | Critical Care | 1 | 34 | 1443 | 1494 |
| 650 | Critical Care Medicine | 1 | 34 | 1368 | 1459 |
| 650 | community development | 2 | 34 | 735 | 827 |
| 650 | Housing | 2 | 34 | 612 | 783 |
| 656 | Clinical Pharmacology | 2 | 33 | 1264 | 1451 |
| 656 | Schizophrenia | 2 | 33 | 947 | 1174 |
| 656 | Combinatorial optimization | 4 | 33 | 439 | 530 |
| 656 | Strategic planning | 4 | 33 | 659 | 1133 |
| 660 | Computational Chemistry | 4 | 32 | 579 | 948 |
| 660 | Atmospheric Chemistry | 2 | 32 | 892 | 1222 |
| 660 | Atmospheric Physics | 2 | 32 | 1537 | 1811 |
| 660 | Child | 1 | 32 | 2707 | 2293 |
| 660 | complementary therapies | 3 | 32 | 1637 | 2316 |
| 660 | Sun | 6 | 32 | 228 | 412 |
| 660 | Solar System | 6 | 32 | 499 | 895 |
| 667 | Health Information Management | 1 | 31 | 661 | 959 |
| 667 | Number Theory | 4 | 31 | 718 | 729 |
| 667 | Thin Films | 4 | 31 | 430 | 672 |
| 667 | Enteral nutrition | 1 | 31 | 1067 | 1150 |
| 667 | Parenteral nutrition | 1 | 31 | 1208 | 1257 |
| 667 | Respiratory system | 2 | 31 | 611 | 801 |
| 667 | foreign exchange | 3 | 31 | 357 | 607 |
| 667 | Respiration | 2 | 31 | 1406 | 1687 |
| 667 | cultural pluralism | 2 | 31 | 543 | 602 |
| 676 | Immunology | 6 | 30 | 1837 | 3017 |
| 676 | Dermatology | 2 | 30 | 1489 | 1595 |
| 676 | Genetic engineering | 4 | 30 | 1573 | 2424 |
| 676 | Optoelectronics | 11 | 30 | 187 | 571 |
| 676 | Multivariate Analysis | 3 | 30 | 568 | 739 |
| 676 | Securities | 6 | 30 | 142 | 660 |
| 676 | land degradation | 2 | 30 | 611 | 917 |
| 676 | Transport | 2 | 30 | 684 | 948 |
| 676 | technical education | 2 | 30 | 846 | 946 |
| 676 | degradation | 2 | 30 | 611 | 917 |
| 686 | Geriatrics | 6 | 29 | 1760 | 2763 |
| 686 | technology transfer | 1 | 29 | 551 | 556 |
| 686 | Diagnosis | 3 | 29 | 366 | 583 |
| 686 | Drug delivery systems | 2 | 29 | 1735 | 2109 |
| 686 | Turbulence | 3 | 29 | 232 | 343 |
| 691 | Geosynthetics | 3 | 28 | 76 | 151 |
| 691 | Information visualization | 2 | 28 | 237 | 233 |
| 691 | Noise control | 9 | 28 | 104 | 50 |
| 691 | Cell cycle | 1 | 28 | 500 | 531 |
| 691 | cell proliferation | 1 | 28 | 534 | 562 |
| 691 | Geospatial data | 2 | 28 | 32 | 89 |
| 691 | Membranes | 1 | 28 | 2003 | 2135 |
| 691 | Cell surface receptors | 1 | 28 | 263 | 211 |
| 699 | Granular materials | 4 | 27 | 493 | 1134 |
| 699 | Recombinant DNA | 4 | 27 | 1187 | 1897 |
| 701 | Hypertension | 5 | 26 | 908 | 1670 |
| 701 | Quantum Communication | 1 | 26 | 315 | 360 |
| 701 | Calculus of Variations | 4 | 26 | 475 | 645 |
| 701 | Tropical Medicine | 3 | 26 | 1568 | 2122 |
| 701 | transport vesicles | 1 | 26 | 394 | 591 |
| 706 | Occupational Therapy | 2 | 25 | 1149 | 1063 |
| 706 | Occupational Health | 2 | 25 | 1185 | 1315 |
| 706 | Public Administration | 3 | 25 | 1326 | 1642 |
| 706 | Computational Linguistics | 4 | 25 | 438 | 724 |
| 706 | industrial hygiene | 2 | 25 | 1190 | 1181 |
| 706 | Metabolic diseases | 1 | 25 | 2214 | 2373 |
| 706 | Crystallography | 3 | 25 | 1565 | 1475 |
| 706 | landscapes | 1 | 25 | 397 | 358 |
| 706 | Microstructure | 3 | 25 | 949 | 1229 |
| 715 | Mental Disorders | 3 | 24 | 2147 | 3006 |
| 715 | Microfabrication | 2 | 24 | 447 | 576 |
| 715 | Plant physiology | 4 | 24 | 1707 | 2703 |
| 715 | Aging | 5 | 24 | 1765 | 2813 |
| 719 | Kinetics | 1 | 23 | 902 | 826 |
| 719 | Plate Tectonics | 8 | 23 | 109 | 478 |
| 719 | Chemical kinetics | 1 | 23 | 1277 | 984 |
| 719 | Corporate governance | 1 | 23 | 1094 | 1162 |
| 719 | Graphene | 1 | 23 | 257 | 364 |
| 719 | personality | 6 | 23 | 1012 | 2145 |
| 719 | Microorganisms | 1 | 23 | 1407 | 1618 |
| 726 | Genetics | 5 | 22 | 2306 | 3800 |
| 726 | Rheumatology | 2 | 22 | 1049 | 1289 |
| 726 | Economic Development | 1 | 22 | 2246 | 2214 |
| 726 | Expert Systems | 3 | 22 | 180 | 428 |
| 726 | dietary supplements | 2 | 22 | 1068 | 1624 |
| 726 | arthritis | 2 | 22 | 970 | 1412 |
| 726 | Behavior | 3 | 22 | 2627 | 3928 |
| 726 | Gastrointestinal diseases | 6 | 22 | 392 | 920 |
| 726 | Liver diseases | 7 | 22 | 747 | 1541 |
| 735 | Food Science | 1 | 21 | 460 | 376 |
| 735 | Geometry | 10 | 21 | 648 | 1210 |
| 735 | Clinical Biochemistry | 2 | 21 | 1195 | 1480 |
| 735 | Combinatorial chemistry | 3 | 21 | 649 | 1323 |
| 735 | Raman spectroscopy | 1 | 21 | 1277 | 1324 |
| 735 | rehabilitation | 1 | 21 | 2717 | 2713 |
| 741 | Medical Technology | 6 | 20 | 1000 | 2292 |
| 741 | Mineralogy | 5 | 20 | 961 | 1670 |
| 741 | Molecular Genetics | 1 | 20 | 2161 | 2479 |
| 741 | Aerial Photography | 6 | 20 | 4 | 16 |
| 741 | Flexible electronics | 1 | 20 | 167 | 291 |
| 741 | International Business | 1 | 20 | 386 | 381 |
| 741 | Islam | 1 | 20 | 861 | 672 |
| 741 | biological evolution | 1 | 20 | 2508 | 2816 |
| 741 | natural gas | 1 | 20 | 610 | 736 |
| 741 | Phylogeny | 1 | 20 | 1263 | 1527 |
| 751 | Marine Geology | 4 | 19 | 511 | 951 |
| 751 | food technology | 3 | 19 | 2318 | 3392 |
| 751 | Molecular cloning | 2 | 19 | 1534 | 2034 |
| 751 | Health | 3 | 19 | 1883 | 2830 |
| 751 | Genetic recombination | 2 | 19 | 1518 | 2008 |
| 751 | data collection | 2 | 19 | 1286 | 1768 |
| 751 | World Wide Web | 3 | 19 | 402 | 639 |
| 758 | Dentistry | 3 | 18 | 714 | 908 |
| 758 | Pharmacogenetics | 1 | 18 | 1163 | 1320 |
| 758 | Historic Preservation | 2 | 18 | 161 | 246 |
| 758 | Virtual reality | 1 | 18 | 754 | 776 |
| 758 | Social welfare | 2 | 18 | 703 | 907 |
| 758 | Child welfare | 3 | 18 | 1045 | 1635 |
| 758 | gene therapy | 1 | 18 | 1186 | 1405 |
| 758 | Therapeutics | 1 | 18 | 1862 | 2086 |
| 758 | biological agents | 7 | 18 | 385 | 717 |
| 758 | Genes | 3 | 18 | 1033 | 1666 |
| 768 | Total Quality Management | 1 | 17 | 1085 | 1234 |
| 768 | Altitude Sickness | 5 | 17 | 70 | 289 |
| 768 | Nanomanufacturing | 1 | 17 | 241 | 145 |
| 768 | Watershed management | 1 | 17 | 515 | 485 |
| 768 | Physical fitness | 1 | 17 | 1493 | 1625 |
| 768 | Altitude | 5 | 17 | 70 | 289 |
| 768 | Library Science | 1 | 17 | 1584 | 1287 |
| 768 | Metrology | 1 | 17 | 186 | 134 |
| 768 | Creativity | 3 | 17 | 283 | 821 |
| 777 | Systems Theory | 2 | 16 | 550 | 684 |
| 777 | Algorithms | 5 | 16 | 535 | 1132 |
| 777 | Flexible manufacturing systems | 1 | 16 | 783 | 985 |
| 777 | Change management | 2 | 16 | 147 | 281 |
| 777 | Food service management | 2 | 16 | 545 | 1109 |
| 777 | Genetic testing | 5 | 16 | 197 | 592 |
| 777 | Biomarkers | 5 | 16 | 247 | 806 |
| 777 | Teaching | 2 | 16 | 2071 | 2498 |
| 777 | thinking | 2 | 16 | 430 | 775 |
| 777 | animal diseases | 2 | 16 | 582 | 946 |
| 777 | biochemical markers | 5 | 16 | 409 | 1143 |
| 777 | stocks | 4 | 16 | 68 | 520 |
| 789 | Embryology | 1 | 15 | 1649 | 1947 |
| 789 | Telemedicine | 1 | 15 | 633 | 807 |
| 789 | Nanophotonics | 1 | 15 | 552 | 700 |
| 789 | Integrated Circuits | 6 | 15 | 550 | 1005 |
| 789 | wind erosion | 1 | 15 | 215 | 360 |
| 789 | Zeolites | 1 | 15 | 1385 | 1729 |
| 789 | Electrophysiology | 4 | 15 | 740 | 1255 |
| 789 | Reproduction | 1 | 15 | 2447 | 2615 |
| 789 | Safety management | 2 | 15 | 801 | 1206 |
| 789 | Cement | 1 | 15 | 859 | 1081 |
| 789 | Europa | 2 | 15 | 621 | 935 |
| 800 | Neurobiology | 1 | 14 | 1890 | 2249 |
| 800 | Plant Genetics | 1 | 14 | 1019 | 1287 |
| 800 | Agricultural Ecology | 1 | 14 | 1496 | 1895 |
| 800 | Plant Morphology | 2 | 14 | 747 | 1126 |
| 800 | Powder Metallurgy | 2 | 14 | 285 | 322 |
| 800 | Marine Geophysics | 3 | 14 | 243 | 548 |
| 800 | Marine mineral resources | 3 | 14 | 143 | 337 |
| 800 | Drug delivery devices | 1 | 14 | 473 | 747 |
| 800 | phenomics | 1 | 14 | 67 | 120 |
| 800 | toxicity testing | 1 | 14 | 1012 | 1318 |
| 800 | Oxidation | 2 | 14 | 191 | 358 |
| 800 | Seabed | 3 | 14 | 143 | 337 |
| 800 | Nanotubes | 1 | 14 | 422 | 412 |
| 800 | Fluorescence | 3 | 14 | 463 | 954 |
| 800 | India | 2 | 14 | 1848 | 2059 |
| 815 | Political Science | 2 | 13 | 1869 | 1973 |
| 815 | Clinical Psychology | 1 | 13 | 1559 | 1798 |
| 815 | Food Microbiology | 1 | 13 | 1687 | 2154 |
| 815 | Ecosystem management | 3 | 13 | 641 | 1265 |
| 815 | Consumer education | 2 | 13 | 474 | 1012 |
| 815 | clay minerals | 1 | 13 | 492 | 653 |
| 815 | Social interaction | 1 | 13 | 617 | 769 |
| 815 | ozone | 1 | 13 | 258 | 367 |
| 823 | Biochemical Genetics | 2 | 12 | 582 | 802 |
| 823 | Topology | 1 | 12 | 518 | 490 |
| 823 | Nuclear Chemistry | 3 | 12 | 1056 | 1541 |
| 823 | Radiochemistry | 3 | 12 | 960 | 1424 |
| 823 | particle accelerators | 2 | 12 | 136 | 243 |
| 823 | Microcirculation | 1 | 12 | 724 | 925 |
| 823 | Fixed Point Theory | 3 | 12 | 280 | 443 |
| 823 | Biometrics | 3 | 12 | 904 | 1437 |
| 823 | particle beams | 2 | 12 | 132 | 241 |
| 823 | Blood vessels | 1 | 12 | 629 | 805 |
| 823 | telemarketing | 1 | 12 | 230 | 401 |
| 823 | Food preferences | 1 | 12 | 665 | 878 |
| 823 | Coronary heart disease | 1 | 12 | 399 | 407 |
| 823 | Agriculture | 3 | 12 | 1956 | 3069 |
| 823 | Soil ecology | 1 | 12 | 1190 | 1548 |
| 838 | Cardiovascular Pharmacology | 3 | 11 | 231 | 591 |
| 838 | Community Psychiatry | 2 | 11 | 1012 | 1707 |
| 838 | Mining Geology | 1 | 11 | 177 | 200 |
| 838 | Liquid Crystals | 3 | 11 | 888 | 1180 |
| 838 | preventive medicine | 1 | 11 | 1535 | 1882 |
| 838 | Behavioral research | 1 | 11 | 1150 | 1311 |
| 838 | Water quality | 1 | 11 | 523 | 774 |
| 838 | water resources | 1 | 11 | 353 | 341 |
| 838 | Radioisotopes | 1 | 11 | 1544 | 1581 |
| 838 | Africa | 3 | 11 | 1513 | 2211 |
| 838 | Water chemistry | 1 | 11 | 761 | 974 |
| 838 | Insect biochemistry | 1 | 11 | 709 | 927 |
| 850 | Criminology | 1 | 10 | 1326 | 1404 |
| 850 | Product Design | 2 | 10 | 609 | 903 |
| 850 | Juvenile delinquency | 1 | 10 | 516 | 599 |
| 850 | Thrombosis | 2 | 10 | 954 | 1400 |
| 850 | Biotransformation | 1 | 10 | 280 | 393 |
| 850 | ecological risk assessment | 3 | 10 | 213 | 776 |
| 850 | Extracellular matrix | 1 | 10 | 375 | 583 |
| 850 | Gerontology | 3 | 10 | 1690 | 2530 |
| 850 | Plant breeding | 1 | 10 | 1160 | 1446 |
| 850 | Risk | 1 | 10 | 842 | 1093 |
| 850 | Transgenic plants | 1 | 10 | 713 | 1002 |
| 850 | Medical innovations | 3 | 10 | 799 | 1759 |
| 850 | X-rays | 2 | 10 | 648 | 884 |
| 850 | Health Risk Assessment | 3 | 10 | 436 | 1134 |
| 850 | crime | 1 | 10 | 1012 | 1063 |
| 850 | deviant behavior | 1 | 10 | 538 | 633 |
| 850 | enzymes | 1 | 10 | 1944 | 2417 |
| 850 | Uncertainty | 1 | 10 | 337 | 420 |
| 850 | Textile industry | 3 | 10 | 478 | 884 |
| 850 | collagen | 1 | 10 | 396 | 598 |
| 870 | Landscape Architecture | 1 | 9 | 337 | 305 |
| 870 | Health Services Research | 1 | 9 | 2061 | 2474 |
| 870 | Histochemistry | 1 | 9 | 1432 | 1695 |
| 870 | Animal Behavior | 1 | 9 | 2280 | 2818 |
| 870 | Educational Sociology | 1 | 9 | 710 | 862 |
| 870 | Mental Health | 1 | 9 | 2220 | 2595 |
| 870 | Electronic Packaging | 2 | 9 | 266 | 458 |
| 870 | Religion | 13 | 9 | 361 | 1126 |
| 870 | Feminism | 2 | 9 | 726 | 1099 |
| 870 | Primary health care | 1 | 9 | 2202 | 2608 |
| 870 | Ethology | 1 | 9 | 1820 | 2349 |
| 870 | human behavior | 1 | 9 | 3167 | 3990 |
| 870 | older people | 3 | 9 | 1441 | 2107 |
| 870 | innovation | 4 | 9 | 510 | 1424 |
| 870 | construction industry | 2 | 9 | 188 | 406 |
| 870 | Sales management | 1 | 9 | 417 | 650 |
| 870 | genome | 3 | 9 | 1246 | 2344 |
| 870 | selling | 1 | 9 | 417 | 650 |
| 870 | women | 1 | 9 | 1473 | 1492 |
| 870 | Psychophysiology | 1 | 9 | 3016 | 3549 |
| 870 | Vaccines | 1 | 9 | 2035 | 2504 |
| 891 | Arts | 1 | 8 | 785 | 650 |
| 891 | Bioenergetics | 1 | 8 | 1216 | 1656 |
| 891 | Developmental Psychology | 2 | 8 | 1170 | 1841 |
| 891 | Fishery management | 1 | 8 | 1188 | 1506 |
| 891 | Cardiac electrophysiology | 1 | 8 | 351 | 492 |
| 891 | Nonlinear Optics | 1 | 8 | 258 | 314 |
| 891 | Laser therapy | 1 | 8 | 740 | 894 |
| 891 | nucleic acids | 2 | 8 | 1507 | 2259 |
| 891 | DNS | 2 | 8 | 597 | 1116 |
| 891 | isomerism | 1 | 8 | 627 | 865 |
| 891 | arrhythmia | 1 | 8 | 351 | 492 |
| 891 | Urban Areas | 2 | 8 | 319 | 644 |
| 891 | Virulence | 1 | 8 | 1283 | 1787 |
| 891 | Semiconductor industry | 2 | 8 | 681 | 1129 |
| 891 | DNA | 2 | 8 | 722 | 1240 |
| 891 | Chirality | 1 | 8 | 627 | 865 |
| 891 | Bacterial diseases | 1 | 8 | 515 | 799 |
| 908 | Software Engineering | 3 | 7 | 1015 | 1696 |
| 908 | Geriatric Nursing | 1 | 7 | 943 | 1146 |
| 908 | Journalism | 1 | 7 | 901 | 1003 |
| 908 | Language and Education | 1 | 7 | 273 | 391 |
| 908 | Happiness | 2 | 7 | 588 | 1277 |
| 908 | Ferroelectricity | 2 | 7 | 1156 | 1529 |
| 908 | Vocational guidance | 1 | 7 | 1374 | 1756 |
| 908 | stability | 1 | 7 | 213 | 235 |
| 908 | Lipids | 2 | 7 | 1366 | 2149 |
| 908 | supercritical fluids | 1 | 7 | 679 | 1016 |
| 908 | heredity | 1 | 7 | 995 | 1280 |
| 908 | biomimicry | 1 | 7 | 331 | 526 |
| 908 | Psychiatric Epidemiology | 1 | 7 | 746 | 1206 |
| 908 | Microscopy | 1 | 7 | 1990 | 2298 |
| 908 | Evolution | 1 | 7 | 2296 | 2822 |
| 908 | Radio frequency | 2 | 7 | 517 | 966 |
| 908 | Cognition | 1 | 7 | 2201 | 2735 |
| 925 | Ecological Engineering | 1 | 6 | 1093 | 1661 |
| 925 | Community Psychology | 2 | 6 | 660 | 1247 |
| 925 | Neurosurgery | 1 | 6 | 1150 | 1485 |
| 925 | Sociolinguistics | 1 | 6 | 778 | 948 |
| 925 | Machine Learning | 2 | 6 | 411 | 737 |
| 925 | Language Policy | 1 | 6 | 218 | 408 |
| 925 | Functional equations | 7 | 6 | 82 | 466 |
| 925 | taxation | 1 | 6 | 494 | 717 |
| 925 | Venture Capital | 1 | 6 | 491 | 765 |
| 925 | Immunotoxicology | 1 | 6 | 580 | 858 |
| 925 | Shock Waves | 2 | 6 | 218 | 441 |
| 925 | Emulsions | 1 | 6 | 723 | 1033 |
| 925 | Language planning | 1 | 6 | 343 | 390 |
| 925 | irrigation | 1 | 6 | 586 | 822 |
| 925 | drainage | 1 | 6 | 508 | 677 |
| 925 | anesthesia | 2 | 6 | 599 | 909 |
| 925 | Auditing | 2 | 6 | 480 | 877 |
| 925 | Plant diseases | 1 | 6 | 2361 | 2840 |
| 925 | food industry | 2 | 6 | 1001 | 1816 |
| 925 | synthesis | 1 | 6 | 1643 | 1949 |
| 925 | silicon | 1 | 6 | 728 | 1003 |
| 946 | Education | 2 | 5 | 3853 | 5063 |
| 946 | Polymer Engineering | 2 | 5 | 149 | 494 |
| 946 | Engineering Economics | 1 | 5 | 193 | 244 |
| 946 | Medical Oncology | 2 | 5 | 1440 | 2311 |
| 946 | Systems Biology | 1 | 5 | 1945 | 2681 |
| 946 | Petroleum Geology | 1 | 5 | 732 | 999 |
| 946 | Supply Chain Management | 2 | 5 | 30 | 227 |
| 946 | Research Design | 1 | 5 | 1588 | 2171 |
| 946 | Critical Discourse Analysis | 1 | 5 | 112 | 259 |
| 946 | business cycles | 1 | 5 | 137 | 155 |
| 946 | Obesity | 2 | 5 | 1776 | 2906 |
| 946 | Bioprinting | 2 | 5 | 59 | 247 |
| 946 | Family Therapy | 1 | 5 | 1155 | 1530 |
| 946 | child mental health | 1 | 5 | 788 | 1138 |
| 946 | Liposomes | 1 | 5 | 946 | 1290 |
| 946 | Lipid bilayers | 1 | 5 | 785 | 1021 |
| 946 | Soundproofing | 2 | 5 | 131 | 237 |
| 946 | Drug discovery | 1 | 5 | 469 | 781 |
| 946 | Structure-activity relationship | 1 | 5 | 485 | 770 |
| 946 | Industrial noise | 2 | 5 | 53 | 107 |
| 946 | Digestive system diseases | 1 | 5 | 1067 | 1393 |
| 967 | Religion and Literature | 10 | 4 | 5 | 28 |
| 967 | Serology | 1 | 4 | 860 | 1262 |
| 967 | Nonparametric Statistics | 2 | 4 | 241 | 509 |
| 967 | Clinical Immunology | 1 | 4 | 1188 | 1608 |
| 967 | Sports Medicine | 1 | 4 | 3034 | 3341 |
| 967 | Immunopathology | 1 | 4 | 1330 | 1764 |
| 967 | Ethnic relations | 2 | 4 | 757 | 1238 |
| 967 | Group theory | 1 | 4 | 170 | 197 |
| 967 | Bacteriology | 1 | 4 | 2127 | 2863 |
| 967 | Many-valued Logic | 1 | 4 | 19 | 24 |
| 967 | Genetic databases | 1 | 4 | 120 | 239 |
| 967 | Family | 1 | 4 | 1499 | 2071 |
| 967 | Sulfur | 1 | 4 | 245 | 426 |
| 967 | families | 1 | 4 | 1375 | 1783 |
| 967 | Ethnology | 2 | 4 | 1707 | 2489 |
| 967 | Prisons | 1 | 4 | 522 | 719 |
| 967 | international cooperation | 3 | 4 | 573 | 1392 |
| 967 | sports injuries | 1 | 4 | 913 | 1275 |
| 967 | proteins | 2 | 4 | 1936 | 3060 |
| 986 | Linguistics | 2 | 3 | 1521 | 2198 |
| 986 | Architecture | 1 | 3 | 897 | 1037 |
| 986 | Cytogenetics | 1 | 3 | 1613 | 2239 |
| 986 | epilepsy | 1 | 3 | 1225 | 1733 |
| 986 | Multiphase Flow | 1 | 3 | 627 | 948 |
| 986 | Integrative Medicine | 1 | 3 | 526 | 857 |
| 986 | Continuum Mechanics | 1 | 3 | 326 | 540 |
| 986 | calcification | 1 | 3 | 705 | 1069 |
| 986 | Wind power | 1 | 3 | 527 | 818 |
| 986 | Southeast Asia | 1 | 3 | 708 | 1055 |
| 986 | rare diseases | 1 | 3 | 823 | 1187 |
| 986 | Export Marketing | 1 | 3 | 448 | 800 |
| 986 | Insects | 1 | 3 | 1977 | 2559 |
| 986 | Growth factors | 1 | 3 | 470 | 827 |
| 986 | Cytokine | 1 | 3 | 625 | 1014 |