| 1 | Building Materials | 1,400 | 50.6K | 3 | 3 |
| 2 | Environmental Health | 192 | 13.2K | 412 | 292 |
| 3 | Engineering Geology | 356 | 13.0K | 11 | 18 |
| 4 | Materials | 473 | 12.9K | 355 | 531 |
| 5 | environmental exposure | 87 | 9.2K | 95 | 9 |
| 6 | Ecology | 180 | 9.2K | 696 | 707 |
| 7 | Pollution | 199 | 8.8K | 474 | 562 |
| 8 | Structural Engineering | 252 | 7.9K | 47 | 55 |
| 9 | Geology | 461 | 7.1K | 96 | 278 |
| 10 | Chemical Engineering | 155 | 6.9K | 605 | 539 |
| 11 | Environmental Geology | 196 | 6.5K | 12 | 18 |
| 12 | environmental pollution | 139 | 6.1K | 420 | 435 |
| 13 | Earth Sciences | 275 | 5.6K | 87 | 272 |
| 14 | Environmental monitoring | 113 | 5.6K | 342 | 316 |
| 15 | Highway Engineering | 247 | 5.3K | 1 | 1 |
| 16 | China | 349 | 5.1K | 70 | 104 |
| 17 | Biochemical Engineering | 92 | 5.1K | 447 | 513 |
| 18 | Transportation | 198 | 4.9K | 68 | 109 |
| 19 | Intelligent Transportation Systems | 170 | 4.8K | 23 | 45 |
| 20 | Physics | 232 | 4.7K | 1,157 | 1,745 |
| 21 | Geophysics | 285 | 4.6K | 291 | 504 |
| 22 | Composite Materials | 121 | 4.6K | 274 | 323 |
| 23 | Materials Science | 133 | 4.5K | 605 | 673 |
| 24 | Energy Policy | 116 | 4.4K | 171 | 273 |
| 25 | Earthquake Engineering | 155 | 4.2K | 72 | 120 |
| 26 | environmental protection | 86 | 4.2K | 349 | 308 |
| 27 | Tunneling | 92 | 4.0K | 15 | 15 |
| 27 | underground construction | 92 | 4.0K | 15 | 15 |
| 29 | Catalysis | 65 | 3.9K | 921 | 739 |
| 30 | Geochemistry | 145 | 3.8K | 206 | 316 |
| 31 | Rock Mechanics | 114 | 3.8K | 51 | 68 |
| 32 | Nanotechnology | 95 | 3.8K | 910 | 946 |
| 33 | Fracture mechanics | 147 | 3.7K | 58 | 81 |
| 34 | Risk assessment | 47 | 3.7K | 9 | 1 |
| 35 | ecological risk assessment | 46 | 3.7K | 1 | 1 |
| 35 | Health Risk Assessment | 46 | 3.7K | 4 | 1 |
| 37 | Science | 195 | 3.6K | 1,068 | 1,899 |
| 38 | Environmental Management | 105 | 3.6K | 201 | 333 |
| 39 | Environment | 90 | 3.6K | 769 | 1,033 |
| 40 | Ocean Engineering | 126 | 3.6K | 120 | 150 |
| 41 | Chemistry | 142 | 3.5K | 1,663 | 1,914 |
| 42 | energy conservation | 51 | 3.3K | 296 | 277 |
| 43 | coal | 78 | 3.3K | 129 | 136 |
| 44 | Renewable Energy Sources | 57 | 3.2K | 370 | 491 |
| 45 | Traffic Engineering | 157 | 3.0K | 2 | 13 |
| 46 | Soil Mechanics | 122 | 3.0K | 71 | 110 |
| 47 | Hydrology | 112 | 2.9K | 217 | 304 |
| 48 | Soil Science | 69 | 2.7K | 216 | 205 |
| 49 | Civil Engineering | 181 | 2.7K | 44 | 46 |
| 50 | Ore deposits | 126 | 2.7K | 14 | 27 |
| 51 | Environmental Policy | 71 | 2.5K | 454 | 583 |
| 52 | Geomorphology | 72 | 2.4K | 125 | 175 |
| 53 | Research | 155 | 2.4K | 1,101 | 1,586 |
| 54 | Environmental Engineering | 95 | 2.3K | 417 | 694 |
| 55 | Medicine | 129 | 2.2K | 1,447 | 1,986 |
| 56 | Petrology | 68 | 2.2K | 152 | 202 |
| 57 | Minerals | 27 | 2.2K | 82 | 14 |
| 58 | Toxicology | 33 | 2.2K | 1,371 | 915 |
| 59 | Artificial Intelligence | 88 | 2.1K | 508 | 666 |
| 60 | Mineralogy | 82 | 2.1K | 172 | 240 |
| 61 | Landslides | 61 | 2.1K | 5 | 11 |
| 62 | Nanostructured Materials | 45 | 2.1K | 861 | 742 |
| 63 | Environmental Toxicology | 29 | 2.0K | 603 | 379 |
| 64 | Environmental pollutants | 28 | 2.0K | 550 | 283 |
| 65 | pollutants | 26 | 2.0K | 449 | 244 |
| 66 | Polymers | 78 | 1.9K | 959 | 988 |
| 67 | Biocompatible Materials | 26 | 1.9K | 1,305 | 1,067 |
| 68 | Asia | 78 | 1.8K | 203 | 164 |
| 68 | Statistical physics | 74 | 1.8K | 767 | 774 |
| 70 | environmental indicators | 51 | 1.7K | 58 | 80 |
| 71 | nanoscience | 38 | 1.7K | 774 | 802 |
| 72 | Engineering | 134 | 1.7K | 337 | 601 |
| 73 | Sustainable Development | 29 | 1.7K | 360 | 314 |
| 74 | Mathematical Physics | 72 | 1.6K | 561 | 526 |
| 75 | Surface Chemistry | 72 | 1.6K | 792 | 1,031 |
| 76 | Measurement | 87 | 1.6K | 58 | 97 |
| 77 | Remote Sensing | 124 | 1.6K | 51 | 92 |
| 78 | polymerization | 59 | 1.5K | 956 | 916 |
| 79 | Water pollution | 60 | 1.5K | 461 | 718 |
| 79 | Optical materials | 32 | 1.5K | 793 | 730 |
| 81 | Environmental Geochemistry | 21 | 1.5K | 39 | 8 |
| 82 | Water | 40 | 1.5K | 559 | 730 |
| 83 | Heat Exchangers | 38 | 1.5K | 188 | 196 |
| 84 | Colloids | 64 | 1.5K | 848 | 1,112 |
| 85 | Metals | 44 | 1.4K | 427 | 453 |
| 86 | Technology | 60 | 1.3K | 723 | 811 |
| 87 | Biomass Energy | 30 | 1.3K | 633 | 740 |
| 88 | Mechanical Engineering | 98 | 1.3K | 229 | 326 |
| 89 | Analytical Chemistry | 43 | 1.2K | 1,309 | 1,316 |
| 90 | natural disasters | 55 | 1.2K | 61 | 170 |
| 91 | Systems Engineering | 65 | 1.2K | 220 | 401 |
| 92 | Water quality management | 56 | 1.1K | 187 | 259 |
| 93 | Robotics | 32 | 1.1K | 408 | 360 |
| 94 | Mountains | 52 | 1.0K | 8 | 7 |
| 95 | Mathematics | 107 | 1.0K | 1,264 | 1,385 |
| 95 | Telecommunication | 51 | 1.0K | 537 | 680 |
| 97 | Image Processing | 70 | 1.0K | 300 | 638 |
| 98 | hazard mitigation | 38 | 983 | 58 | 98 |
| 99 | Manufacturing Processes | 37 | 982 | 553 | 598 |
| 100 | Roads | 73 | 960 | 88 | 113 |
| 101 | vibration | 53 | 952 | 124 | 256 |
| 102 | Spectrum analysis | 24 | 934 | 1,705 | 1,388 |
| 103 | concrete | 40 | 923 | 146 | 332 |
| 104 | Detectors | 40 | 886 | 224 | 276 |
| 105 | Logistics | 19 | 884 | 101 | 109 |
| 106 | Biology | 25 | 881 | 2,996 | 3,207 |
| 107 | Industrial Safety | 22 | 869 | 258 | 197 |
| 108 | Signal Processing | 60 | 855 | 491 | 839 |
| 109 | clay | 28 | 847 | 107 | 160 |
| 110 | Geodynamics | 25 | 844 | 263 | 310 |
| 111 | Ceramics | 18 | 837 | 498 | 309 |
| 112 | Soil dynamics | 40 | 823 | 49 | 93 |
| 113 | Sustainable Engineering | 13 | 816 | 727 | 553 |
| 114 | Waste management | 46 | 807 | 145 | 210 |
| 115 | Solid State Chemistry | 40 | 803 | 680 | 695 |
| 116 | Structural dynamics | 30 | 802 | 219 | 348 |
| 117 | Green Chemistry | 14 | 789 | 790 | 741 |
| 118 | Hydrogeology | 40 | 779 | 48 | 104 |
| 119 | Industrial Engineering | 15 | 776 | 747 | 501 |
| 120 | Production Management | 13 | 773 | 503 | 522 |
| 121 | Electrochemistry | 39 | 755 | 1,271 | 1,299 |
| 122 | Automation | 29 | 754 | 693 | 846 |
| 123 | Water Purification | 40 | 728 | 121 | 185 |
| 124 | Transportation Engineering | 75 | 714 | 11 | 67 |
| 125 | United States | 32 | 706 | 1,449 | 1,475 |
| 126 | Ceramic materials | 26 | 701 | 312 | 323 |
| 127 | Magnetic Materials | 20 | 698 | 562 | 449 |
| 128 | Geodesy | 33 | 682 | 68 | 100 |
| 129 | Biotechnology | 25 | 639 | 2,038 | 2,396 |
| 129 | Inventory Control | 8 | 639 | 10 | 3 |
| 131 | Multimedia Systems | 30 | 609 | 394 | 412 |
| 132 | Developing countries | 47 | 606 | 344 | 682 |
| 133 | management | 33 | 604 | 1,022 | 1,468 |
| 134 | Computer-Aided Design | 10 | 593 | 592 | 314 |
| 135 | Risk Management | 10 | 586 | 265 | 143 |
| 136 | water supply | 16 | 585 | 318 | 366 |
| 137 | Planets | 16 | 576 | 657 | 739 |
| 138 | energy resources | 9 | 570 | 744 | 762 |
| 139 | Carbon | 11 | 569 | 637 | 681 |
| 140 | Wireless Communication Systems | 43 | 566 | 538 | 826 |
| 141 | Meteorology | 15 | 564 | 933 | 959 |
| 142 | Meteorites | 14 | 562 | 438 | 493 |
| 143 | Mining Engineering | 15 | 560 | 157 | 157 |
| 144 | Metallography | 16 | 555 | 249 | 208 |
| 145 | Information Science | 23 | 543 | 792 | 997 |
| 146 | Lightweight concrete | 14 | 542 | 131 | 236 |
| 147 | Social Sciences | 23 | 538 | 1,129 | 958 |
| 147 | Fuzzy systems | 41 | 538 | 178 | 279 |
| 149 | Adhesion | 23 | 534 | 72 | 84 |
| 149 | adhesives | 23 | 534 | 80 | 85 |
| 151 | Petroleum Engineering | 17 | 528 | 225 | 191 |
| 152 | Operations Research | 21 | 512 | 845 | 883 |
| 153 | Biomedical Engineering | 46 | 511 | 1,216 | 2,080 |
| 153 | traffic safety | 18 | 511 | 43 | 30 |
| 155 | Electronics | 38 | 509 | 940 | 1,203 |
| 156 | Neural circuitry | 28 | 492 | 498 | 841 |
| 157 | Solar Energy | 15 | 491 | 656 | 786 |
| 158 | Geographic information systems | 36 | 481 | 111 | 201 |
| 159 | Cybernetics | 22 | 480 | 477 | 672 |
| 160 | Power Electronics | 19 | 475 | 382 | 535 |
| 161 | actuators | 19 | 467 | 836 | 1,048 |
| 161 | transducers | 19 | 467 | 836 | 1,048 |
| 163 | atmosphere | 7 | 464 | 437 | 253 |
| 164 | Probability | 2 | 445 | 709 | 197 |
| 164 | Financial management | 2 | 445 | 601 | 207 |
| 164 | Risk | 3 | 445 | 522 | 211 |
| 167 | Production Engineering | 28 | 444 | 530 | 646 |
| 168 | Economics | 14 | 438 | 2,011 | 1,538 |
| 169 | Biochemistry | 18 | 437 | 3,458 | 3,586 |
| 170 | Metallurgy | 22 | 432 | 785 | 875 |
| 171 | Marine Geology | 17 | 430 | 164 | 193 |
| 172 | Europe | 4 | 429 | 2,400 | 1,056 |
| 173 | Climatology | 12 | 428 | 822 | 819 |
| 174 | System analysis | 29 | 426 | 641 | 934 |
| 175 | Molecular Biology | 10 | 417 | 3,782 | 3,463 |
| 175 | Nanostructures | 18 | 417 | 690 | 940 |
| 177 | multimedia | 9 | 408 | 229 | 210 |
| 177 | Interactive multimedia | 9 | 408 | 263 | 225 |
| 179 | mass transfer | 14 | 403 | 790 | 837 |
| 180 | fuel cells | 7 | 399 | 831 | 751 |
| 181 | internet | 23 | 390 | 423 | 705 |
| 182 | Tribology | 21 | 388 | 353 | 427 |
| 183 | Social Change | 8 | 384 | 574 | 663 |
| 184 | Astronomy | 12 | 383 | 1,443 | 1,417 |
| 184 | Nanoparticles | 17 | 383 | 746 | 927 |
| 186 | Internet of Things | 22 | 381 | 306 | 555 |
| 187 | sanitation | 9 | 374 | 828 | 1,095 |
| 187 | Technological Innovations | 4 | 374 | 919 | 418 |
| 187 | Plastics | 20 | 374 | 558 | 623 |
| 190 | commerce | 8 | 373 | 928 | 689 |
| 191 | economic policy | 10 | 369 | 1,319 | 777 |
| 192 | impact | 11 | 367 | 116 | 145 |
| 193 | Optics | 77 | 364 | 900 | 1,660 |
| 194 | Control Theory | 24 | 358 | 597 | 726 |
| 195 | air quality management | 15 | 353 | 97 | 170 |
| 196 | Natural history | 8 | 351 | 1,886 | 2,583 |
| 197 | Environmental Chemistry | 10 | 345 | 1,084 | 1,282 |
| 198 | Energy Conversion | 6 | 340 | 875 | 903 |
| 199 | Paleontology | 24 | 338 | 411 | 523 |
| 200 | city planning | 19 | 335 | 540 | 711 |
| 201 | Public Health | 12 | 326 | 2,504 | 2,415 |
| 202 | Recycling | 5 | 315 | 414 | 494 |
| 203 | Materials Engineering | 22 | 312 | 92 | 137 |
| 203 | Hazardous waste | 19 | 312 | 202 | 657 |
| 205 | Rock deformation | 12 | 306 | 39 | 70 |
| 206 | Petroleum Geology | 8 | 304 | 285 | 251 |
| 207 | computer networks | 34 | 296 | 636 | 1,314 |
| 208 | Sociology | 13 | 292 | 1,391 | 1,394 |
| 208 | Engineering Mathematics | 20 | 292 | 615 | 725 |
| 210 | Molecular Spectroscopy | 5 | 286 | 1,470 | 897 |
| 211 | Structural design | 16 | 281 | 244 | 383 |
| 211 | Solitons | 22 | 281 | 238 | 518 |
| 211 | Fractals | 22 | 281 | 238 | 520 |
| 211 | Chaos | 22 | 281 | 238 | 518 |
| 215 | Eastern Europe | 7 | 280 | 460 | 156 |
| 216 | Combustion | 12 | 279 | 572 | 665 |
| 217 | Surgery | 1 | 272 | 1,760 | 1,034 |
| 218 | Electrical Engineering | 29 | 271 | 1,068 | 1,240 |
| 219 | Cartography | 9 | 268 | 177 | 92 |
| 220 | Smart Materials | 14 | 264 | 333 | 439 |
| 221 | Entropy | 13 | 262 | 400 | 369 |
| 222 | Genomics | 5 | 260 | 2,070 | 1,666 |
| 222 | Land use | 9 | 260 | 585 | 665 |
| 224 | Bioengineering | 14 | 259 | 1,940 | 2,586 |
| 225 | Semiconductors | 13 | 257 | 1,030 | 944 |
| 226 | Finite Element Method | 2 | 256 | 427 | 106 |
| 227 | Aerosols | 3 | 255 | 512 | 264 |
| 227 | aerosol | 3 | 255 | 375 | 182 |
| 229 | Computer Graphics | 18 | 254 | 634 | 855 |
| 230 | Solid State Physics | 21 | 253 | 1,676 | 1,985 |
| 231 | Agricultural Science | 1 | 251 | 401 | 191 |
| 231 | finance | 10 | 251 | 1,361 | 1,228 |
| 233 | Paleogeography | 27 | 249 | 238 | 600 |
| 234 | Information Theory | 14 | 248 | 615 | 741 |
| 235 | Luminescence | 15 | 243 | 492 | 578 |
| 236 | Geography | 13 | 241 | 925 | 1,156 |
| 237 | reasoning | 5 | 239 | 268 | 149 |
| 238 | Geotechnical Engineering | 21 | 238 | 141 | 251 |
| 238 | Paleoclimatology | 20 | 238 | 378 | 734 |
| 240 | Mechanics | 24 | 234 | 322 | 571 |
| 241 | plasticity | 8 | 229 | 169 | 292 |
| 242 | Public Policy | 5 | 225 | 1,280 | 1,014 |
| 243 | Microbiology | 4 | 221 | 4,243 | 3,592 |
| 243 | Green Technology | 7 | 221 | 140 | 130 |
| 245 | health planning | 18 | 220 | 785 | 1,113 |
| 246 | Ecological Engineering | 6 | 218 | 387 | 473 |
| 246 | Numerical Analysis | 16 | 218 | 1,074 | 1,139 |
| 248 | Humanities | 16 | 217 | 561 | 579 |
| 248 | Cosmochemistry | 11 | 217 | 418 | 592 |
| 250 | Metallic Glasses | 10 | 214 | 186 | 245 |
| 251 | Soil ecology | 7 | 207 | 454 | 575 |
| 252 | Marine resources | 7 | 206 | 375 | 380 |
| 253 | natural gas | 3 | 203 | 350 | 209 |
| 254 | Hydraulic Engineering | 11 | 201 | 413 | 510 |
| 254 | Electrophoresis | 11 | 201 | 798 | 986 |
| 254 | Mineral resources | 6 | 201 | 350 | 435 |
| 257 | Urban Policy | 7 | 200 | 488 | 553 |
| 258 | Surface-Active Agents | 5 | 193 | 854 | 856 |
| 258 | soil management | 7 | 193 | 292 | 431 |
| 258 | Surface properties | 5 | 193 | 903 | 926 |
| 258 | tillage | 7 | 193 | 223 | 368 |
| 262 | Economic History | 9 | 191 | 1,899 | 1,663 |
| 262 | ports | 6 | 191 | 131 | 116 |
| 264 | Nuclear Physics | 11 | 188 | 2,340 | 2,353 |
| 264 | Social policy | 4 | 188 | 896 | 498 |
| 264 | machinery | 8 | 188 | 427 | 382 |
| 264 | planning | 4 | 188 | 637 | 350 |
| 264 | Economic planning | 4 | 188 | 422 | 272 |
| 269 | Epidemiology | 4 | 185 | 2,692 | 2,074 |
| 269 | Computational Intelligence | 7 | 185 | 327 | 310 |
| 271 | Nanochemistry | 6 | 184 | 890 | 741 |
| 272 | Plate Tectonics | 8 | 183 | 112 | 137 |
| 272 | Glass | 9 | 183 | 564 | 676 |
| 272 | pottery | 9 | 183 | 533 | 661 |
| 275 | water reuse | 5 | 180 | 182 | 199 |
| 276 | Energy Storage | 8 | 177 | 738 | 904 |
| 277 | Electromagnetism | 12 | 176 | 465 | 573 |
| 278 | Computer Science | 13 | 175 | 891 | 1,061 |
| 279 | Photonics | 5 | 174 | 1,398 | 1,344 |
| 280 | Australia | 6 | 170 | 1,251 | 984 |
| 281 | Nondestructive testing | 9 | 168 | 324 | 380 |
| 282 | Chemical industry | 7 | 167 | 820 | 685 |
| 283 | Paleoecology | 18 | 166 | 371 | 792 |
| 284 | Computational Complexity | 10 | 165 | 487 | 450 |
| 284 | plasma spraying | 12 | 165 | 65 | 125 |
| 286 | Geothermal Energy | 5 | 161 | 143 | 137 |
| 286 | economic analysis | 4 | 161 | 171 | 135 |
| 288 | Africa | 6 | 160 | 1,052 | 661 |
| 289 | Environmental Law | 3 | 158 | 1,032 | 1,155 |
| 290 | emergency management | 8 | 156 | 314 | 473 |
| 291 | Building | 10 | 155 | 261 | 285 |
| 292 | population geography | 11 | 153 | 114 | 256 |
| 293 | radioactive waste | 8 | 152 | 405 | 968 |
| 293 | industrial waste | 8 | 152 | 439 | 969 |
| 293 | Molecular structure | 6 | 152 | 1,779 | 1,564 |
| 296 | miniaturization | 13 | 150 | 826 | 1,477 |
| 297 | Geomagnetism | 12 | 147 | 289 | 442 |
| 297 | Intelligent Control Systems | 24 | 147 | 185 | 430 |
| 299 | Radio | 8 | 144 | 843 | 1,068 |
| 300 | Economic Development | 3 | 143 | 1,522 | 1,272 |
| 301 | micromechanics | 6 | 142 | 388 | 445 |
| 302 | Physical Geography | 5 | 140 | 355 | 332 |
| 302 | Adaptive control systems | 11 | 140 | 209 | 314 |
| 304 | Marine Geophysics | 12 | 139 | 59 | 122 |
| 305 | Medical Technology | 3 | 138 | 1,462 | 1,124 |
| 305 | Radiography | 2 | 138 | 786 | 727 |
| 307 | sustainability | 3 | 136 | 876 | 844 |
| 307 | geological modeling | 1 | 136 | 969 | 321 |
| 309 | Process Control | 5 | 134 | 706 | 1,050 |
| 310 | Radio waves | 6 | 131 | 605 | 702 |
| 311 | Atmospheric Physics | 8 | 129 | 919 | 1,258 |
| 311 | Natural resources | 5 | 129 | 559 | 669 |
| 311 | Hydrodynamics | 5 | 129 | 446 | 501 |
| 311 | Nonlinear functional analysis | 14 | 129 | 459 | 795 |
| 315 | Condensed Matter | 14 | 128 | 1,580 | 2,052 |
| 316 | Marine mineral resources | 9 | 126 | 41 | 58 |
| 316 | Seabed | 9 | 126 | 41 | 58 |
| 318 | structural stability | 5 | 124 | 232 | 313 |
| 318 | global environmental change | 5 | 124 | 567 | 837 |
| 320 | Microbial Biotechnology | 2 | 123 | 1,298 | 852 |
| 320 | Investment analysis | 2 | 123 | 1,242 | 699 |
| 320 | Nonlinear systems | 3 | 123 | 617 | 425 |
| 323 | Computational Biology | 3 | 122 | 2,252 | 1,890 |
| 324 | Evolution | 3 | 117 | 1,665 | 1,502 |
| 325 | Computer Vision | 9 | 115 | 625 | 1,048 |
| 326 | solar power | 3 | 114 | 824 | 893 |
| 326 | solar cells | 3 | 114 | 887 | 950 |
| 328 | Astrophysics | 17 | 109 | 1,486 | 2,221 |
| 329 | Membranes | 3 | 108 | 1,511 | 1,571 |
| 330 | Fluid Mechanics | 12 | 107 | 738 | 1,137 |
| 330 | energy development | 9 | 107 | 344 | 886 |
| 332 | Boundary Value Problems | 9 | 106 | 382 | 550 |
| 332 | Antenna Arrays | 8 | 106 | 295 | 482 |
| 332 | Japan | 3 | 106 | 1,786 | 1,242 |
| 332 | lasers | 8 | 106 | 1,389 | 1,552 |
| 336 | software | 5 | 105 | 781 | 1,050 |
| 337 | Paleobiology | 12 | 104 | 99 | 183 |
| 338 | Diagnostic Imaging | 16 | 103 | 686 | 1,321 |
| 338 | Flood forecasting | 3 | 103 | 91 | 88 |
| 338 | Flood control | 3 | 103 | 246 | 158 |
| 341 | Histology | 1 | 102 | 2,282 | 1,530 |
| 341 | Developmental Biology | 1 | 102 | 2,327 | 1,709 |
| 341 | Organometallic chemistry | 7 | 102 | 1,470 | 1,605 |
| 341 | biological evolution | 1 | 102 | 2,607 | 1,922 |
| 345 | Cement | 7 | 101 | 340 | 750 |
| 346 | Dynamics | 9 | 100 | 952 | 1,131 |
| 346 | International Finance | 4 | 100 | 1,473 | 1,473 |
| 348 | Telecommunication Systems | 17 | 99 | 572 | 1,220 |
| 348 | Ecohydrology | 7 | 99 | 156 | 292 |
| 350 | Aquatic ecology | 5 | 97 | 719 | 779 |
| 351 | Urban Transportation | 12 | 96 | 15 | 56 |
| 352 | Optical Communications | 4 | 95 | 685 | 594 |
| 353 | Corporate Social Responsibility | 2 | 94 | 401 | 505 |
| 353 | environmental auditing | 2 | 94 | 421 | 508 |
| 353 | Ventilation | 8 | 94 | 234 | 450 |
| 353 | Algal blooms | 1 | 94 | 477 | 339 |
| 353 | Cyanobacteria | 1 | 94 | 477 | 339 |
| 353 | microalgae | 1 | 94 | 477 | 339 |
| 359 | Urban Planning | 1 | 93 | 698 | 434 |
| 359 | Mechatronics | 7 | 93 | 540 | 857 |
| 359 | community development | 1 | 93 | 1,033 | 515 |
| 359 | Housing | 1 | 93 | 846 | 516 |
| 359 | Population | 1 | 93 | 1,411 | 861 |
| 359 | Investments | 1 | 93 | 1,031 | 356 |
| 365 | particles | 10 | 92 | 435 | 905 |
| 366 | Psychology | 4 | 91 | 3,799 | 3,468 |
| 367 | Photography | 56 | 89 | 258 | 354 |
| 367 | Imaging systems | 17 | 89 | 145 | 486 |
| 369 | soil conservation | 10 | 88 | 312 | 836 |
| 369 | Cellulose | 5 | 88 | 423 | 704 |
| 371 | Cryptography | 11 | 87 | 261 | 375 |
| 372 | Biophysics | 6 | 86 | 3,365 | 4,008 |
| 372 | Systems Theory | 1 | 86 | 825 | 202 |
| 372 | Biosensors | 1 | 86 | 1,782 | 1,662 |
| 375 | Radio wave propagation | 5 | 84 | 548 | 560 |
| 376 | Structural health monitoring | 3 | 82 | 212 | 263 |
| 377 | indoor air pollution | 7 | 81 | 183 | 419 |
| 377 | Middle East | 4 | 81 | 895 | 708 |
| 377 | Sick building syndrome | 7 | 81 | 183 | 419 |
| 380 | Calorimetry | 7 | 80 | 766 | 1,072 |
| 380 | Capital market | 1 | 80 | 816 | 509 |
| 380 | Thermal analysis | 7 | 80 | 766 | 1,072 |
| 383 | Information Technology | 11 | 79 | 1,225 | 2,212 |
| 383 | Municipal Engineering | 6 | 79 | 153 | 384 |
| 383 | ecosystem | 4 | 79 | 1,090 | 1,481 |
| 386 | soil microbiology | 6 | 78 | 981 | 1,802 |
| 387 | Communication | 6 | 77 | 1,431 | 1,840 |
| 388 | Industrial Microbiology | 2 | 76 | 2,150 | 2,132 |
| 388 | Cognitive Science | 10 | 76 | 784 | 1,684 |
| 388 | mathematical analysis | 10 | 76 | 1,538 | 1,742 |
| 391 | Granular materials | 6 | 75 | 356 | 711 |
| 392 | Coding Theory | 8 | 74 | 191 | 243 |
| 393 | Electrochemical Analysis | 3 | 73 | 1,566 | 1,543 |
| 394 | Ecological disturbances | 7 | 71 | 9 | 46 |
| 394 | Environmental disasters | 7 | 71 | 9 | 46 |
| 396 | Friction | 4 | 69 | 80 | 185 |
| 396 | Ferroelectricity | 9 | 69 | 582 | 728 |
| 398 | Oceanography | 11 | 68 | 898 | 1,599 |
| 399 | Seismology | 13 | 66 | 189 | 477 |
| 399 | Combinatorial analysis | 4 | 66 | 911 | 699 |
| 399 | pigments | 5 | 66 | 641 | 993 |
| 402 | Computer Engineering | 6 | 65 | 617 | 979 |
| 402 | Industrial Design | 3 | 65 | 285 | 342 |
| 402 | Human-Computer Interaction | 6 | 65 | 1,057 | 1,641 |
| 402 | marketing | 3 | 65 | 1,832 | 1,979 |
| 402 | Nonlinear mechanics | 2 | 65 | 586 | 475 |
| 407 | Education | 3 | 64 | 3,426 | 2,868 |
| 407 | Combinatorial chemistry | 5 | 64 | 539 | 962 |
| 407 | Nervous system | 4 | 64 | 1,793 | 2,242 |
| 407 | Philippines | 3 | 64 | 100 | 111 |
| 411 | electric vehicles | 8 | 62 | 138 | 402 |
| 412 | India | 6 | 61 | 947 | 931 |
| 413 | Visual Communication | 5 | 60 | 279 | 431 |
| 413 | Image enhancement | 5 | 60 | 210 | 392 |
| 415 | Botany | 2 | 59 | 3,546 | 3,500 |
| 416 | Photogrammetry | 31 | 58 | 125 | 431 |
| 417 | Plant Ecology | 1 | 57 | 2,329 | 2,041 |
| 417 | Radiation | 7 | 57 | 1,413 | 1,960 |
| 417 | textile fibers | 6 | 57 | 246 | 395 |
| 417 | Radiation effects | 1 | 57 | 1,076 | 947 |
| 421 | Thermodynamics | 9 | 56 | 674 | 1,075 |
| 421 | Agricultural Chemistry | 1 | 56 | 2,903 | 2,458 |
| 423 | Medical Laboratory Science | 1 | 55 | 2,585 | 2,287 |
| 423 | Analytical Biochemistry | 4 | 55 | 1,461 | 1,778 |
| 423 | Catalysts | 5 | 55 | 518 | 792 |
| 426 | Pharmacology | 3 | 53 | 3,744 | 4,178 |
| 426 | Fluid Dynamics | 6 | 53 | 770 | 1,168 |
| 426 | Emulsions | 2 | 53 | 498 | 348 |
| 429 | Counseling Psychology | 1 | 52 | 438 | 348 |
| 429 | soil pollution | 6 | 52 | 299 | 746 |
| 429 | counseling | 1 | 52 | 1,893 | 1,311 |
| 432 | Quality of life | 4 | 51 | 1,198 | 1,829 |
| 432 | atmospheric models | 3 | 51 | 598 | 826 |
| 432 | cryosphere | 3 | 51 | 352 | 503 |
| 435 | Drying | 4 | 50 | 311 | 493 |
| 436 | Plants | 4 | 49 | 1,751 | 2,283 |
| 437 | Database Management | 2 | 48 | 883 | 889 |
| 437 | Algebra | 5 | 48 | 1,221 | 1,093 |
| 439 | Systems Analysis | 2 | 47 | 1,431 | 1,337 |
| 439 | Stochastic Processes | 4 | 47 | 810 | 972 |
| 439 | Biogeochemical cycles | 2 | 47 | 468 | 758 |
| 439 | Integrated Circuits | 11 | 47 | 342 | 585 |
| 439 | infection | 1 | 47 | 1,946 | 1,724 |
| 444 | Financial Engineering | 1 | 46 | 383 | 300 |
| 444 | sedimentary basins | 2 | 46 | 251 | 322 |
| 444 | Nonlinear Dynamics | 2 | 46 | 2,011 | 1,944 |
| 444 | Plant diseases | 5 | 46 | 1,487 | 1,977 |
| 448 | Structural optimization | 3 | 45 | 344 | 504 |
| 448 | Differential Equations | 5 | 45 | 850 | 997 |
| 450 | Telecommunications | 7 | 44 | 414 | 904 |
| 450 | Sustainable agriculture | 1 | 44 | 1,288 | 1,013 |
| 450 | air quality | 4 | 44 | 134 | 383 |
| 450 | Earthquakes | 13 | 44 | 135 | 426 |
| 450 | construction industry | 2 | 44 | 188 | 178 |
| 450 | public works | 7 | 44 | 68 | 149 |
| 450 | Agriculture | 1 | 44 | 3,022 | 2,406 |
| 457 | bioclimatology | 5 | 43 | 711 | 1,296 |
| 457 | Strategic planning | 2 | 43 | 971 | 1,037 |
| 457 | Bioinformatics | 12 | 43 | 967 | 2,214 |
| 457 | Zeolites | 2 | 43 | 1,129 | 1,408 |
| 457 | Microstructure | 4 | 43 | 799 | 977 |
| 457 | drug toxicity | 2 | 43 | 635 | 836 |
| 463 | Biomass | 2 | 41 | 875 | 1,225 |
| 463 | data protection | 2 | 41 | 786 | 713 |
| 465 | Regional Planning | 2 | 40 | 1,680 | 1,716 |
| 466 | Mining Geology | 3 | 39 | 79 | 110 |
| 466 | Erosion | 4 | 39 | 46 | 207 |
| 468 | Health Policy | 2 | 38 | 2,302 | 2,355 |
| 468 | Soil biology | 2 | 38 | 990 | 1,367 |
| 470 | Emergency Medical Services | 3 | 37 | 638 | 833 |
| 470 | Geosynthetics | 2 | 37 | 118 | 133 |
| 470 | Biomechanics | 2 | 37 | 1,469 | 1,619 |
| 470 | older people | 1 | 37 | 2,155 | 1,496 |
| 474 | Information Systems | 2 | 36 | 1,688 | 1,900 |
| 474 | East Asia | 4 | 36 | 516 | 724 |
| 474 | land degradation | 4 | 36 | 411 | 913 |
| 474 | degradation | 4 | 36 | 411 | 913 |
| 478 | Combinatorial optimization | 1 | 35 | 966 | 522 |
| 479 | Architectural Design | 4 | 34 | 394 | 568 |
| 479 | urban forestry | 1 | 34 | 571 | 499 |
| 479 | Refractory materials | 5 | 34 | 91 | 89 |
| 482 | Wireless Communication | 5 | 33 | 313 | 582 |
| 482 | Crystallography | 5 | 33 | 1,330 | 1,386 |
| 484 | Graph Theory | 2 | 32 | 932 | 694 |
| 484 | Educational Technology | 4 | 32 | 1,423 | 2,292 |
| 484 | Discrete Mathematics | 2 | 32 | 506 | 268 |
| 484 | Bioavailability | 1 | 32 | 203 | 167 |
| 484 | Thermochemistry | 3 | 32 | 507 | 700 |
| 484 | Computational Fluid Dynamics | 6 | 32 | 428 | 929 |
| 484 | graph | 2 | 32 | 506 | 268 |
| 491 | Statistics | 7 | 30 | 1,723 | 2,389 |
| 491 | Social Psychology | 3 | 30 | 2,093 | 2,751 |
| 491 | Nuclear Chemistry | 2 | 30 | 1,285 | 1,191 |
| 491 | Radiochemistry | 2 | 30 | 1,202 | 1,089 |
| 491 | Fiber Optics | 2 | 30 | 1,054 | 1,160 |
| 491 | Groundwater | 5 | 30 | 411 | 952 |
| 497 | Chemical kinetics | 2 | 29 | 1,005 | 899 |
| 497 | Spectroscopy | 5 | 29 | 90 | 108 |
| 497 | Water chemistry | 4 | 29 | 224 | 657 |
| 500 | Physical Chemistry | 3 | 28 | 2,007 | 2,586 |
| 500 | Forest Ecology | 2 | 28 | 1,150 | 1,574 |
| 500 | Forest Management | 2 | 28 | 1,109 | 1,486 |
| 503 | Surveying | 1 | 27 | 275 | 141 |
| 503 | Business | 2 | 27 | 2,454 | 2,907 |
| 505 | Soft Condensed Matter | 2 | 26 | 1,201 | 1,518 |
| 505 | biopolymers | 2 | 26 | 1,312 | 1,672 |
| 505 | brain mapping | 1 | 26 | 825 | 1,000 |
| 505 | Behavior | 3 | 26 | 2,700 | 3,971 |
| 509 | Psychiatry | 2 | 25 | 3,694 | 4,191 |
| 509 | Mental Disorders | 1 | 25 | 3,246 | 3,200 |
| 509 | Biogeochemistry | 3 | 25 | 1,013 | 1,730 |
| 509 | Bibliometrics | 2 | 25 | 180 | 355 |
| 509 | Organometallic compounds | 3 | 25 | 1,328 | 1,816 |
| 509 | language | 1 | 25 | 1,274 | 1,191 |
| 515 | Agricultural Engineering | 2 | 24 | 536 | 812 |
| 515 | Functional Analysis | 3 | 24 | 1,375 | 1,611 |
| 515 | Ultrasonics | 2 | 24 | 1,427 | 2,026 |
| 515 | Cognition | 4 | 24 | 1,395 | 2,184 |
| 519 | Aerospace Engineering | 3 | 23 | 252 | 316 |
| 519 | Mobile Computing | 3 | 23 | 1,103 | 1,548 |
| 519 | Computer Architecture | 2 | 23 | 683 | 729 |
| 519 | Atmospheric Chemistry | 3 | 23 | 813 | 1,386 |
| 519 | Microprocessors | 2 | 23 | 774 | 949 |
| 519 | water resources | 1 | 23 | 367 | 286 |
| 525 | Molecules | 1 | 22 | 2,076 | 1,798 |
| 525 | Sound | 3 | 22 | 1,058 | 1,307 |
| 525 | Adolescent | 3 | 22 | 1,913 | 2,672 |
| 525 | supercritical fluids | 3 | 22 | 391 | 838 |
| 525 | Social work | 2 | 22 | 1,568 | 1,817 |
| 530 | Cloud Computing | 2 | 21 | 444 | 786 |
| 530 | Landscape Ecology | 1 | 21 | 730 | 935 |
| 530 | Algorithms | 3 | 21 | 762 | 1,050 |
| 533 | Product Design | 7 | 20 | 314 | 751 |
| 533 | enzymes | 1 | 20 | 1,977 | 2,185 |
| 535 | Marine Engineering | 1 | 19 | 651 | 406 |
| 535 | Naval Architecture | 1 | 19 | 712 | 558 |
| 535 | Plasma chemistry | 2 | 19 | 493 | 744 |
| 535 | Pesticide residues | 1 | 19 | 167 | 262 |
| 535 | Food additives | 1 | 19 | 1,690 | 1,996 |
| 535 | food contamination | 1 | 19 | 1,746 | 1,750 |
| 535 | Plant hormones | 1 | 19 | 599 | 773 |
| 535 | Plasma polymerization | 2 | 19 | 320 | 513 |
| 535 | extraterrestrial environment | 2 | 19 | 715 | 949 |
| 535 | Suicide | 2 | 19 | 650 | 1,013 |
| 535 | astronomical phenomena | 2 | 19 | 649 | 889 |
| 546 | Geriatrics | 1 | 18 | 3,419 | 3,320 |
| 546 | Quantum electronics | 3 | 18 | 1,564 | 2,078 |
| 546 | Gerontology | 1 | 18 | 2,568 | 2,392 |
| 546 | Solutions | 2 | 18 | 532 | 662 |
| 546 | Sedimentary rocks | 2 | 18 | 747 | 1,051 |
| 546 | Navigation | 4 | 18 | 229 | 425 |
| 546 | Aging | 1 | 18 | 3,131 | 3,177 |
| 553 | Data Mining | 3 | 17 | 1,078 | 1,842 |
| 553 | Ergonomics | 2 | 17 | 1,074 | 1,449 |
| 553 | Microelectronics | 2 | 17 | 1,821 | 2,368 |
| 553 | Rheology | 2 | 17 | 701 | 1,006 |
| 553 | Evolutionary Computation | 3 | 17 | 468 | 1,075 |
| 553 | Swarm Intelligence | 3 | 17 | 283 | 717 |
| 559 | Landscape Architecture | 1 | 16 | 362 | 239 |
| 559 | Nanophotonics | 1 | 16 | 576 | 728 |
| 559 | Earthquake prediction | 5 | 16 | 32 | 84 |
| 559 | Formal Languages | 2 | 16 | 403 | 422 |
| 559 | visualization | 8 | 16 | 794 | 1,472 |
| 559 | wood | 1 | 16 | 771 | 794 |
| 559 | ground penetrating radar | 2 | 16 | 81 | 131 |
| 566 | Nanomedicine | 1 | 15 | 510 | 780 |
| 566 | Econometrics | 1 | 15 | 1,954 | 1,823 |
| 566 | Coastal zone management | 1 | 15 | 1,119 | 1,373 |
| 566 | Solar System | 2 | 15 | 819 | 1,091 |
| 570 | Cosmology | 1 | 14 | 947 | 976 |
| 570 | infrared radiation | 2 | 14 | 753 | 1,079 |
| 570 | Raman spectroscopy | 1 | 14 | 1,318 | 1,541 |
| 570 | Continuum Mechanics | 1 | 14 | 333 | 382 |
| 570 | Autonomous robots | 1 | 14 | 330 | 474 |
| 575 | Bioenergetics | 1 | 13 | 1,243 | 1,577 |
| 575 | Optoelectronics | 4 | 13 | 439 | 830 |
| 575 | Electromagnetic waves | 2 | 13 | 405 | 629 |
| 575 | Ultrasound | 1 | 13 | 1,076 | 1,348 |
| 575 | environmental issues | 1 | 13 | 801 | 1,105 |
| 575 | Radio frequency | 1 | 13 | 697 | 899 |
| 581 | Bifurcation Theory | 1 | 12 | 534 | 619 |
| 581 | Powder Metallurgy | 1 | 12 | 437 | 354 |
| 581 | Multiphase Flow | 1 | 12 | 633 | 838 |
| 581 | adolescence | 2 | 12 | 1,085 | 1,720 |
| 581 | Machining | 1 | 12 | 309 | 330 |
| 581 | bioluminescence | 3 | 12 | 364 | 802 |
| 581 | Iron | 1 | 12 | 504 | 590 |
| 581 | Decision making | 3 | 12 | 1,453 | 2,529 |
| 581 | Muscle contraction | 4 | 12 | 261 | 550 |
| 590 | Fuzzy Logic | 1 | 11 | 146 | 257 |
| 590 | Bioremediation | 2 | 11 | 1,129 | 1,970 |
| 590 | Expert Systems | 1 | 11 | 539 | 633 |
| 590 | Fuzzy Sets | 1 | 11 | 145 | 257 |
| 590 | Water quality | 2 | 11 | 316 | 811 |
| 590 | River Engineering | 1 | 11 | 54 | 55 |
| 590 | Sonochemistry | 1 | 11 | 1,118 | 1,657 |
| 590 | Ubiquitous computing | 2 | 11 | 402 | 585 |
| 590 | Chemical analysis | 1 | 11 | 1,599 | 2,002 |
| 590 | Crystal growth | 1 | 11 | 1,528 | 1,814 |
| 590 | Fuzzy algorithms | 1 | 11 | 145 | 257 |
| 590 | Fluorescence | 1 | 11 | 951 | 1,078 |
| 602 | Immunotherapy | 1 | 10 | 2,152 | 2,732 |
| 602 | Applied Linguistics | 2 | 10 | 765 | 1,048 |
| 602 | technology transfer | 1 | 10 | 563 | 788 |
| 602 | Immunopharmacology | 1 | 10 | 1,519 | 1,945 |
| 602 | Child welfare | 2 | 10 | 1,324 | 2,007 |
| 602 | cytokines | 1 | 10 | 1,614 | 2,101 |
| 602 | Sun | 1 | 10 | 496 | 597 |
| 602 | probabilities | 2 | 10 | 1,484 | 1,692 |
| 602 | Microscopy | 1 | 10 | 2,034 | 2,219 |
| 611 | Proteomics | 4 | 9 | 857 | 1,897 |
| 611 | Nanoelectronics | 1 | 9 | 1,189 | 1,328 |
| 611 | Quality Control | 2 | 9 | 2,059 | 3,200 |
| 611 | radiative transfer | 1 | 9 | 928 | 1,072 |
| 611 | Noise | 2 | 9 | 189 | 389 |
| 611 | Water Microbiology | 1 | 9 | 891 | 1,312 |
| 611 | Sports | 5 | 9 | 1,596 | 2,780 |
| 611 | Environmental risk assessment | 3 | 9 | 379 | 1,097 |
| 611 | Wind power | 1 | 9 | 536 | 693 |
| 611 | Nanotubes | 1 | 9 | 425 | 540 |
| 611 | Semiconductor industry | 1 | 9 | 929 | 1,113 |
| 622 | Nuclear Engineering | 2 | 8 | 1,603 | 2,113 |
| 622 | Educational Psychology | 1 | 8 | 2,057 | 2,490 |
| 622 | Liquid Crystals | 3 | 8 | 905 | 1,323 |
| 622 | individual differences | 1 | 8 | 530 | 831 |
| 622 | Biometrics | 2 | 8 | 1,113 | 1,650 |
| 622 | clay minerals | 1 | 8 | 500 | 734 |
| 622 | innovation | 1 | 8 | 1,026 | 1,470 |
| 622 | radar | 2 | 8 | 226 | 470 |
| 622 | research and development | 1 | 8 | 603 | 865 |
| 622 | Sonar | 2 | 8 | 192 | 417 |
| 622 | Microwaves | 5 | 8 | 1,046 | 1,890 |
| 633 | food technology | 1 | 7 | 3,317 | 4,032 |
| 633 | Sustainable urban development | 1 | 7 | 148 | 283 |
| 633 | Simulation Methods | 3 | 7 | 1,037 | 2,113 |
| 633 | Adolescent Psychology | 1 | 7 | 1,265 | 1,669 |
| 633 | Smart Cities | 1 | 7 | 30 | 89 |
| 633 | international trade | 1 | 7 | 1,284 | 1,544 |
| 633 | freshwater biology | 3 | 7 | 931 | 1,866 |
| 633 | sports equipment | 1 | 7 | 125 | 165 |
| 641 | Political Systems | 1 | 6 | 46 | 94 |
| 641 | Photochemistry | 1 | 6 | 2,367 | 3,032 |
| 641 | microwave antennas | 2 | 6 | 494 | 845 |
| 641 | Thin Films | 3 | 6 | 537 | 1,185 |
| 641 | Globalization | 1 | 6 | 1,053 | 1,461 |
| 641 | Photobiology | 1 | 6 | 2,059 | 2,687 |
| 641 | Geobiology | 1 | 6 | 688 | 1,003 |
| 641 | carbonate rocks | 1 | 6 | 289 | 414 |
| 641 | Cancer | 1 | 6 | 3,119 | 4,011 |
| 650 | Oncology | 1 | 5 | 2,489 | 3,331 |
| 650 | Planetary Science | 4 | 5 | 411 | 1,072 |
| 650 | Number Theory | 1 | 5 | 1,277 | 1,387 |
| 650 | Flexible manufacturing systems | 2 | 5 | 531 | 1,235 |
| 650 | Chemical structure | 1 | 5 | 1,020 | 1,348 |
| 650 | computable functions | 1 | 5 | 39 | 82 |
| 650 | Youth | 1 | 5 | 1,097 | 1,604 |
| 650 | Textile industry | 1 | 5 | 847 | 1,094 |
| 658 | Embedded Systems | 1 | 4 | 361 | 532 |
| 658 | Medical Physics | 1 | 4 | 1,905 | 2,432 |
| 658 | Cell Biology | 1 | 4 | 3,776 | 4,750 |
| 658 | Computational Linguistics | 1 | 4 | 1,078 | 1,397 |
| 658 | health services accessibility | 1 | 4 | 1,468 | 2,084 |
| 658 | Socioeconomic Factors | 1 | 4 | 1,310 | 2,056 |
| 658 | World Wide Web | 1 | 4 | 836 | 1,191 |
| 658 | Egypt | 2 | 4 | 745 | 1,794 |
| 666 | economic indicators | 1 | 3 | 215 | 406 |
| 666 | Group theory | 1 | 3 | 170 | 225 |
| 666 | greenhouse effect | 1 | 3 | 138 | 339 |
| 666 | Lightweight Materials | 2 | 3 | 37 | 127 |
| 666 | big data | 1 | 3 | 1,237 | 1,875 |
| 666 | polar regions | 1 | 3 | 951 | 1,379 |
| 666 | Fossil fuels | 1 | 3 | 193 | 256 |
| 666 | biological factors | 1 | 3 | 2,613 | 3,462 |
| 666 | Carbon dioxide | 1 | 3 | 138 | 339 |
| 666 | Futures | 1 | 3 | 554 | 813 |
| 666 | Climate | 1 | 3 | 1,041 | 1,682 |
| 666 | Soviet Union | 3 | 3 | 700 | 1,595 |
| 678 | Physiology | 1 | 2 | 4,299 | 5,346 |
| 678 | Marine Biology | 2 | 2 | 2,593 | 4,048 |
| 678 | Anatomy | 1 | 2 | 2,468 | 3,144 |
| 678 | Palynology | 1 | 2 | 429 | 687 |
| 678 | Comparative Physiology | 1 | 2 | 1,111 | 1,599 |
| 678 | Morphology | 1 | 2 | 1,403 | 1,796 |
| 678 | Sports Medicine | 4 | 2 | 1,997 | 3,612 |
| 678 | Space telescopes | 1 | 2 | 292 | 389 |
| 678 | Mass Spectrometry | 1 | 2 | 1,549 | 2,141 |
| 678 | Financial Institutions | 1 | 2 | 742 | 1,176 |
| 678 | Alloys | 1 | 2 | 604 | 878 |
| 678 | Bridges | 1 | 2 | 16 | 31 |
| 678 | Insects | 1 | 2 | 2,054 | 2,741 |
| 678 | optical devices | 1 | 2 | 827 | 1,221 |
| 678 | biological monitoring | 1 | 2 | 896 | 1,531 |
| 678 | Quantum theory | 1 | 2 | 1,444 | 1,888 |
| 678 | Entomology | 1 | 2 | 2,981 | 3,760 |
| 678 | Exercise | 4 | 2 | 1,271 | 2,807 |
| 696 | History | 1 | 1 | 1,494 | 1,483 |
| 696 | Occupational Therapy | 1 | 1 | 1,594 | 2,210 |
| 696 | World History | 1 | 1 | 399 | 458 |
| 696 | Nuclear Energy | 1 | 1 | 1,518 | 2,055 |
| 696 | Polymer Engineering | 1 | 1 | 292 | 693 |
| 696 | Occupational Health | 1 | 1 | 1,696 | 2,506 |
| 696 | Language Acquisition | 1 | 1 | 613 | 985 |
| 696 | Acoustics | 1 | 1 | 583 | 803 |
| 696 | industrial hygiene | 1 | 1 | 1,704 | 2,484 |
| 696 | Superconductors | 2 | 1 | 995 | 1,609 |
| 696 | Superconductivity | 2 | 1 | 549 | 1,041 |
| 696 | Happiness | 1 | 1 | 871 | 1,539 |
| 696 | Noise control | 4 | 1 | 214 | 453 |
| 696 | Mitochondrial DNA | 1 | 1 | 458 | 802 |
| 696 | lighting | 1 | 1 | 96 | 179 |
| 696 | international cooperation | 1 | 1 | 1,060 | 1,603 |
| 712 | Literature | 1 | 0 | 1,224 | 1,294 |
| 712 | Pediatrics | 1 | 0 | 2,694 | 3,753 |
| 712 | Sustainable Architecture | 3 | 0 | 149 | 723 |
| 712 | Child | 1 | 0 | 2,875 | 3,953 |
| 712 | Cognitive neuroscience | 1 | 0 | 1,353 | 2,031 |
| 712 | monetary policy | 1 | 0 | 128 | 332 |
| 712 | Database Security | 1 | 0 | 200 | 461 |
| 712 | Second Language Acquisition | 1 | 0 | 377 | 781 |
| 712 | microwave communication systems | 1 | 0 | 610 | 966 |
| 712 | Optoelectronic devices | 1 | 0 | 1,578 | 2,234 |
| 712 | Soundproofing | 3 | 0 | 85 | 448 |
| 712 | Electromagnetic fields | 2 | 0 | 514 | 1,155 |
| 712 | Microwave devices | 1 | 0 | 707 | 1,070 |
| 712 | Industrial noise | 3 | 0 | 28 | 265 |
| 712 | Uncertainty | 1 | 0 | 342 | 618 |