| 1 | Chemistry | 866 | 25.8K | 458 | 637 |
| 2 | Chemical Engineering | 440 | 16.6K | 202 | 243 |
| 3 | Materials | 524 | 15.7K | 317 | 430 |
| 4 | Renewable Energy Sources | 128 | 14.1K | 118 | 81 |
| 5 | Biocompatible Materials | 258 | 12.5K | 235 | 264 |
| 6 | Physics | 470 | 12.2K | 731 | 1087 |
| 7 | Environment | 223 | 12.1K | 353 | 466 |
| 8 | Biotechnology | 299 | 11.2K | 316 | 452 |
| 9 | Biochemistry | 405 | 11.0K | 792 | 895 |
| 10 | Biomass Energy | 238 | 10.9K | 40 | 69 |
| 11 | Biomedical Engineering | 232 | 8.9K | 302 | 286 |
| 12 | Nuclear Physics | 435 | 8.7K | 424 | 561 |
| 13 | Nanotechnology | 305 | 8.7K | 348 | 553 |
| 14 | Materials Science | 232 | 8.4K | 344 | 404 |
| 15 | Ecology | 149 | 7.4K | 776 | 797 |
| 16 | Pollution | 135 | 7.0K | 633 | 643 |
| 17 | Colloids | 200 | 6.7K | 312 | 353 |
| 18 | Bioengineering | 150 | 6.7K | 364 | 438 |
| 19 | Biochemical Engineering | 148 | 6.6K | 271 | 398 |
| 20 | Catalysis | 203 | 6.2K | 380 | 511 |
| 21 | Surface Chemistry | 176 | 6.2K | 348 | 342 |
| 22 | Organic Chemistry | 193 | 6.0K | 187 | 205 |
| 23 | Analytical Chemistry | 157 | 5.8K | 496 | 446 |
| 24 | environmental pollution | 103 | 5.8K | 547 | 449 |
| 25 | mass transfer | 111 | 5.7K | 102 | 79 |
| 26 | Polymers | 160 | 5.1K | 567 | 527 |
| 27 | Nanostructured Materials | 167 | 5.0K | 246 | 341 |
| 28 | Environmental monitoring | 83 | 4.4K | 466 | 411 |
| 29 | Mechanical Engineering | 161 | 4.1K | 113 | 87 |
| 30 | Industrial Engineering | 118 | 3.9K | 89 | 93 |
| 31 | Environmental Engineering | 166 | 3.9K | 218 | 459 |
| 32 | Molecular Biology | 157 | 3.9K | 1059 | 1359 |
| 33 | Optical materials | 108 | 3.6K | 255 | 356 |
| 34 | Quantum Gravity | 210 | 3.6K | 298 | 472 |
| 35 | Biosensors | 37 | 3.6K | 191 | 116 |
| 36 | Numerical Analysis | 170 | 3.5K | 51 | 83 |
| 37 | Building Materials | 97 | 3.5K | 147 | 213 |
| 38 | Environmental Management | 87 | 3.4K | 263 | 344 |
| 39 | Membranes | 41 | 3.4K | 379 | 235 |
| 40 | Manufacturing Processes | 156 | 3.3K | 123 | 195 |
| 41 | coal | 61 | 3.3K | 179 | 133 |
| 42 | Optics | 218 | 3.3K | 418 | 523 |
| 43 | polymerization | 116 | 3.3K | 579 | 572 |
| 44 | Signal Processing | 146 | 3.3K | 236 | 369 |
| 45 | Bioelectronics | 32 | 3.2K | 182 | 108 |
| 46 | Microbiology | 116 | 3.1K | 939 | 1211 |
| 47 | Environmental Policy | 87 | 3.1K | 335 | 495 |
| 48 | Biology | 96 | 3.0K | 1471 | 1925 |
| 49 | environmental protection | 95 | 2.9K | 302 | 454 |
| 50 | Engineering | 172 | 2.5K | 257 | 405 |
| 51 | Medicine | 84 | 2.5K | 1762 | 1844 |
| 52 | Bioorganic chemistry | 118 | 2.4K | 239 | 431 |
| 53 | Science | 77 | 2.3K | 1817 | 2266 |
| 54 | energy conservation | 52 | 2.3K | 281 | 374 |
| 55 | Physical Chemistry | 109 | 2.3K | 202 | 392 |
| 56 | nanoscience | 78 | 2.2K | 421 | 658 |
| 57 | Ultrasonics | 41 | 2.2K | 158 | 95 |
| 58 | Physical organic chemistry | 103 | 2.2K | 29 | 66 |
| 59 | Biophysics | 70 | 2.2K | 1171 | 1180 |
| 60 | Solid State Physics | 130 | 2.2K | 658 | 793 |
| 61 | Composite Materials | 60 | 2.1K | 511 | 597 |
| 62 | Electronics | 88 | 2.1K | 538 | 528 |
| 63 | Production Engineering | 90 | 2.1K | 166 | 157 |
| 64 | Statistical physics | 152 | 2.1K | 488 | 706 |
| 65 | Environmental Health | 78 | 2.1K | 886 | 1170 |
| 66 | Sonochemistry | 32 | 2.0K | 45 | 38 |
| 67 | Magnetic Materials | 66 | 2.0K | 145 | 168 |
| 68 | Water | 57 | 2.0K | 434 | 597 |
| 69 | Solar Energy | 51 | 2.0K | 165 | 185 |
| 70 | vibration | 42 | 2.0K | 155 | 126 |
| 71 | Research | 55 | 2.0K | 1963 | 1714 |
| 72 | Electrochemistry | 68 | 1.9K | 925 | 784 |
| 73 | Radiography | 3 | 1.9K | 660 | 165 |
| 74 | Structural dynamics | 36 | 1.9K | 177 | 174 |
| 75 | machinery | 35 | 1.9K | 80 | 26 |
| 76 | Automation | 57 | 1.9K | 384 | 488 |
| 77 | Condensed Matter | 146 | 1.8K | 555 | 818 |
| 78 | Ocean Engineering | 47 | 1.8K | 350 | 295 |
| 79 | Mathematics | 192 | 1.8K | 841 | 1025 |
| 80 | Energy Policy | 44 | 1.7K | 514 | 656 |
| 81 | Artificial Intelligence | 83 | 1.6K | 541 | 806 |
| 82 | Sustainable Engineering | 56 | 1.6K | 174 | 282 |
| 83 | Technology | 126 | 1.6K | 368 | 684 |
| 84 | Wireless Communication Systems | 86 | 1.6K | 294 | 422 |
| 85 | Pharmaceutical Technology | 46 | 1.6K | 195 | 211 |
| 86 | Energy Storage | 38 | 1.5K | 186 | 204 |
| 87 | Measurement | 49 | 1.5K | 128 | 100 |
| 88 | Detectors | 53 | 1.5K | 158 | 139 |
| 89 | clay | 20 | 1.4K | 158 | 82 |
| 90 | Spectrum analysis | 63 | 1.4K | 969 | 1164 |
| 91 | catalytic activity | 41 | 1.4K | 50 | 81 |
| 92 | Structural Engineering | 61 | 1.4K | 261 | 314 |
| 93 | actuators | 48 | 1.4K | 402 | 509 |
| 93 | transducers | 48 | 1.4K | 402 | 509 |
| 95 | Hydrology | 75 | 1.4K | 297 | 508 |
| 96 | Green Chemistry | 45 | 1.4K | 304 | 508 |
| 97 | Earthquake Engineering | 57 | 1.3K | 238 | 310 |
| 98 | Crystal growth | 54 | 1.3K | 64 | 111 |
| 99 | Zeolites | 22 | 1.3K | 215 | 132 |
| 100 | Food | 21 | 1.2K | 1134 | 833 |
| 101 | Pharmacology | 41 | 1.2K | 1355 | 1379 |
| 102 | Electrical Engineering | 37 | 1.2K | 925 | 485 |
| 103 | Fluid Mechanics | 66 | 1.2K | 176 | 281 |
| 104 | Geophysics | 56 | 1.2K | 821 | 1013 |
| 105 | Nanostructures | 52 | 1.2K | 209 | 505 |
| 106 | Water quality management | 45 | 1.2K | 240 | 235 |
| 106 | lasers | 50 | 1.2K | 388 | 361 |
| 108 | Heat Exchangers | 30 | 1.1K | 245 | 258 |
| 109 | Solid State Chemistry | 57 | 1.1K | 468 | 534 |
| 110 | Speech Perception | 24 | 1.1K | 49 | 56 |
| 110 | auditory perception | 24 | 1.1K | 61 | 65 |
| 112 | Nanoparticles | 36 | 1.1K | 357 | 443 |
| 113 | Mathematical Physics | 27 | 1.1K | 1047 | 670 |
| 114 | Nanochemistry | 51 | 1.1K | 66 | 71 |
| 115 | Industrial Microbiology | 31 | 1.1K | 400 | 524 |
| 116 | computer networks | 69 | 1.0K | 307 | 593 |
| 117 | Organometallic chemistry | 61 | 1.0K | 213 | 260 |
| 118 | Image Processing | 44 | 954 | 455 | 653 |
| 119 | Environmental Chemistry | 34 | 943 | 389 | 719 |
| 120 | Environmental Geology | 27 | 935 | 339 | 331 |
| 121 | fuel cells | 31 | 930 | 274 | 449 |
| 122 | Signal Transduction | 10 | 916 | 687 | 486 |
| 123 | Plant physiology | 13 | 901 | 1007 | 772 |
| 124 | Energy Conversion | 30 | 895 | 289 | 580 |
| 125 | food technology | 21 | 887 | 906 | 776 |
| 126 | Electrochemical Analysis | 16 | 863 | 637 | 354 |
| 127 | Hydraulic Engineering | 62 | 860 | 94 | 198 |
| 128 | Telecommunication | 64 | 856 | 427 | 754 |
| 129 | Radiation | 26 | 850 | 616 | 418 |
| 130 | Nonlinear Dynamics | 61 | 836 | 419 | 645 |
| 131 | Bioremediation | 24 | 835 | 63 | 92 |
| 132 | Transportation | 41 | 823 | 340 | 482 |
| 133 | Biomass | 24 | 813 | 73 | 142 |
| 134 | Medical Technology | 11 | 809 | 681 | 337 |
| 135 | Ecological Engineering | 18 | 805 | 89 | 105 |
| 135 | Photochemistry | 50 | 805 | 188 | 411 |
| 137 | Medical innovations | 2 | 788 | 974 | 426 |
| 138 | Civil Engineering | 83 | 780 | 107 | 160 |
| 139 | Photobiology | 48 | 773 | 83 | 257 |
| 140 | Carbon | 17 | 751 | 446 | 571 |
| 141 | Biodegradation | 19 | 745 | 83 | 99 |
| 142 | Nutrition | 17 | 744 | 1650 | 1433 |
| 143 | Sound | 13 | 740 | 423 | 188 |
| 144 | proteins | 34 | 731 | 460 | 585 |
| 145 | Semiconductors | 43 | 728 | 389 | 427 |
| 146 | Toxicology | 24 | 723 | 1605 | 1688 |
| 147 | Pharmaceutical Chemistry | 45 | 720 | 902 | 1295 |
| 148 | Engineering Mathematics | 45 | 719 | 286 | 377 |
| 149 | Communication | 24 | 717 | 635 | 662 |
| 150 | energy development | 24 | 715 | 108 | 301 |
| 151 | Astrophysics | 44 | 709 | 990 | 1259 |
| 152 | Earth Sciences | 35 | 703 | 931 | 1100 |
| 153 | Cell Biology | 27 | 686 | 1212 | 1580 |
| 154 | Intelligent Transportation Systems | 9 | 678 | 592 | 383 |
| 155 | Multimedia Systems | 54 | 673 | 178 | 367 |
| 156 | Meteorology | 19 | 667 | 792 | 866 |
| 157 | Soil Mechanics | 38 | 665 | 237 | 381 |
| 158 | biopolymers | 29 | 664 | 280 | 371 |
| 159 | Physiology | 17 | 663 | 1639 | 1478 |
| 160 | Sustainable Development | 24 | 661 | 435 | 676 |
| 161 | India | 76 | 656 | 45 | 63 |
| 162 | Genetic engineering | 28 | 619 | 528 | 766 |
| 163 | Power Electronics | 23 | 603 | 317 | 470 |
| 164 | Astronomy | 35 | 601 | 925 | 1203 |
| 165 | Geotechnical Engineering | 19 | 593 | 154 | 146 |
| 165 | language | 7 | 593 | 497 | 270 |
| 167 | Food Microbiology | 5 | 581 | 888 | 529 |
| 168 | Surface-Active Agents | 7 | 576 | 665 | 349 |
| 168 | Surface properties | 7 | 576 | 708 | 392 |
| 170 | Organometallic compounds | 21 | 568 | 429 | 437 |
| 171 | Bacteriology | 6 | 557 | 1183 | 834 |
| 171 | Developing countries | 23 | 557 | 653 | 728 |
| 173 | Computer Science | 22 | 552 | 575 | 422 |
| 174 | Robotics | 17 | 548 | 670 | 577 |
| 174 | Metallurgy | 30 | 548 | 630 | 754 |
| 176 | concrete | 6 | 542 | 655 | 485 |
| 177 | Water pollution | 25 | 541 | 903 | 1288 |
| 178 | Control Theory | 47 | 540 | 341 | 569 |
| 179 | Speech | 18 | 537 | 292 | 344 |
| 180 | Telecommunication Systems | 41 | 525 | 218 | 384 |
| 181 | pigments | 15 | 514 | 260 | 222 |
| 182 | Geomorphology | 16 | 513 | 559 | 644 |
| 183 | Combustion | 30 | 511 | 302 | 445 |
| 184 | miniaturization | 24 | 509 | 545 | 880 |
| 185 | Fluid Dynamics | 34 | 508 | 223 | 375 |
| 186 | Chemical analysis | 15 | 506 | 364 | 353 |
| 187 | Herbal medicine | 6 | 504 | 431 | 221 |
| 188 | Hazardous waste | 10 | 502 | 417 | 445 |
| 189 | Soil dynamics | 16 | 494 | 143 | 152 |
| 190 | Tribology | 24 | 492 | 304 | 360 |
| 191 | Engineering Geology | 32 | 491 | 320 | 553 |
| 192 | radioactive waste | 9 | 486 | 364 | 427 |
| 192 | industrial waste | 9 | 486 | 390 | 428 |
| 194 | dietary supplements | 5 | 483 | 592 | 228 |
| 195 | Microbial Biotechnology | 11 | 482 | 314 | 246 |
| 195 | scientific societies | 10 | 482 | 299 | 200 |
| 197 | Soft Condensed Matter | 26 | 480 | 302 | 419 |
| 198 | Immunopharmacology | 1 | 476 | 1508 | 330 |
| 198 | Neuroimmunology | 1 | 476 | 956 | 333 |
| 198 | Neuropharmacology | 1 | 476 | 881 | 180 |
| 201 | Neural circuitry | 24 | 471 | 571 | 862 |
| 202 | protein | 15 | 464 | 454 | 443 |
| 202 | Cancer | 8 | 464 | 1532 | 1349 |
| 204 | radiative transfer | 9 | 461 | 310 | 165 |
| 205 | System analysis | 40 | 459 | 477 | 888 |
| 206 | solar cells | 9 | 457 | 432 | 392 |
| 207 | hazard mitigation | 22 | 452 | 131 | 272 |
| 208 | natural disasters | 21 | 448 | 280 | 479 |
| 209 | Metals | 25 | 447 | 630 | 846 |
| 210 | Photonics | 29 | 446 | 580 | 936 |
| 210 | body temperature | 7 | 446 | 252 | 74 |
| 212 | Geosynthetics | 14 | 436 | 8 | 2 |
| 213 | Medical Laboratory Science | 12 | 435 | 904 | 995 |
| 214 | solar power | 8 | 434 | 428 | 371 |
| 215 | Systems Engineering | 29 | 432 | 534 | 845 |
| 215 | particles | 22 | 432 | 182 | 236 |
| 217 | Soil Science | 16 | 431 | 733 | 864 |
| 218 | Fiber Optics | 21 | 428 | 285 | 320 |
| 218 | biological factors | 13 | 428 | 841 | 741 |
| 220 | Smart Materials | 30 | 426 | 135 | 323 |
| 221 | Oral communication | 16 | 422 | 88 | 99 |
| 222 | Botany | 14 | 421 | 1783 | 1812 |
| 223 | energy resources | 8 | 420 | 791 | 900 |
| 224 | Molecular Spectroscopy | 19 | 417 | 644 | 683 |
| 225 | Pharmacognosy | 3 | 415 | 1748 | 912 |
| 225 | Medicinal plants | 3 | 415 | 1318 | 667 |
| 227 | Quantum Optics | 25 | 413 | 198 | 263 |
| 227 | Atomic spectroscopy | 25 | 413 | 296 | 392 |
| 227 | Laser Spectroscopy | 25 | 413 | 159 | 231 |
| 230 | Recombinant DNA | 18 | 412 | 479 | 569 |
| 231 | Molecular cloning | 17 | 405 | 458 | 543 |
| 231 | Genetic recombination | 17 | 405 | 445 | 534 |
| 233 | Plant tissue culture | 11 | 404 | 268 | 226 |
| 233 | Plant cell culture | 11 | 404 | 215 | 222 |
| 235 | synthesis | 27 | 401 | 144 | 156 |
| 236 | soil management | 4 | 397 | 451 | 267 |
| 236 | tillage | 4 | 397 | 329 | 215 |
| 238 | Cytology | 24 | 391 | 1355 | 1938 |
| 239 | Computational Biology | 25 | 387 | 704 | 1086 |
| 240 | Computer-Aided Design | 30 | 381 | 232 | 424 |
| 240 | Computational Fluid Dynamics | 18 | 381 | 161 | 207 |
| 242 | Lightweight concrete | 2 | 379 | 518 | 308 |
| 243 | Bioinorganic chemistry | 20 | 377 | 506 | 619 |
| 244 | China | 14 | 376 | 1274 | 1088 |
| 245 | Highway Engineering | 13 | 374 | 122 | 101 |
| 246 | Quantum electronics | 23 | 368 | 505 | 580 |
| 246 | Fracture mechanics | 23 | 368 | 478 | 609 |
| 248 | Drug delivery systems | 10 | 364 | 783 | 831 |
| 249 | Climatology | 14 | 357 | 736 | 900 |
| 249 | bioclimatology | 14 | 357 | 263 | 310 |
| 251 | Mechatronics | 6 | 353 | 591 | 356 |
| 252 | Microelectronics | 23 | 342 | 580 | 930 |
| 253 | Green Technology | 17 | 341 | 35 | 61 |
| 254 | Molecular structure | 34 | 338 | 555 | 1058 |
| 255 | mathematical analysis | 37 | 336 | 761 | 937 |
| 256 | Dynamics | 42 | 331 | 227 | 531 |
| 257 | Agricultural Engineering | 20 | 327 | 75 | 161 |
| 258 | Electrophoresis | 13 | 326 | 713 | 731 |
| 259 | Plants | 15 | 318 | 862 | 1122 |
| 260 | Thermodynamics | 27 | 317 | 232 | 321 |
| 261 | Petroleum Engineering | 12 | 316 | 281 | 293 |
| 262 | carbon monoxide | 8 | 313 | 117 | 159 |
| 263 | Electromagnetism | 13 | 312 | 433 | 421 |
| 263 | Bioinformatics | 15 | 312 | 824 | 1011 |
| 265 | atmosphere | 5 | 310 | 544 | 345 |
| 266 | Nuclear Engineering | 15 | 308 | 600 | 496 |
| 267 | Stem cells | 9 | 305 | 710 | 720 |
| 268 | Computer Graphics | 27 | 303 | 468 | 783 |
| 268 | Microbial Metabolism | 8 | 303 | 35 | 59 |
| 270 | Computer Engineering | 13 | 301 | 283 | 256 |
| 270 | internet | 16 | 301 | 570 | 828 |
| 272 | Computer Vision | 7 | 299 | 723 | 678 |
| 272 | Granular materials | 14 | 299 | 133 | 212 |
| 274 | enzymes | 17 | 298 | 545 | 789 |
| 275 | Combinatorial chemistry | 11 | 295 | 285 | 462 |
| 276 | Nuclear Energy | 13 | 293 | 396 | 342 |
| 277 | Chemical industry | 16 | 291 | 447 | 445 |
| 278 | Calorimetry | 19 | 290 | 307 | 407 |
| 278 | Thermal analysis | 19 | 290 | 307 | 407 |
| 280 | Waste management | 20 | 287 | 379 | 550 |
| 281 | Medical Physics | 2 | 286 | 1572 | 840 |
| 281 | carcinogens | 4 | 286 | 730 | 540 |
| 283 | Microwaves | 23 | 283 | 468 | 559 |
| 284 | Computer Architecture | 12 | 281 | 182 | 138 |
| 284 | environmental indicators | 6 | 281 | 811 | 775 |
| 286 | Welding | 15 | 274 | 54 | 26 |
| 287 | Information Technology | 10 | 271 | 1282 | 1272 |
| 288 | Molecules | 34 | 268 | 389 | 683 |
| 289 | Rock Mechanics | 20 | 267 | 293 | 513 |
| 290 | Public Health | 13 | 266 | 2391 | 2585 |
| 291 | Medical Oncology | 7 | 264 | 898 | 896 |
| 292 | Plastics | 11 | 260 | 842 | 781 |
| 293 | health planning | 11 | 259 | 1103 | 998 |
| 294 | Economic History | 25 | 250 | 1081 | 1446 |
| 294 | Adsorption | 3 | 250 | 197 | 64 |
| 294 | Drug design | 13 | 250 | 610 | 860 |
| 297 | Diet | 1 | 249 | 2471 | 1347 |
| 298 | Cosmology | 11 | 247 | 282 | 356 |
| 299 | Luminescence | 13 | 246 | 548 | 568 |
| 300 | Recycling | 1 | 244 | 1043 | 604 |
| 301 | Optoelectronic devices | 12 | 241 | 364 | 257 |
| 302 | Cybernetics | 8 | 239 | 954 | 971 |
| 303 | Immunology | 6 | 237 | 1881 | 1747 |
| 304 | Remote Sensing | 13 | 235 | 632 | 630 |
| 305 | Nonlinear mechanics | 9 | 234 | 178 | 176 |
| 306 | Neurochemistry | 9 | 233 | 1251 | 1342 |
| 306 | Agricultural Chemistry | 5 | 233 | 1674 | 1379 |
| 306 | Japan | 9 | 233 | 953 | 707 |
| 309 | nuclear astrophysics | 10 | 232 | 227 | 303 |
| 310 | Building | 32 | 229 | 97 | 217 |
| 311 | Structural design | 20 | 228 | 188 | 438 |
| 311 | Internet of Things | 10 | 228 | 564 | 755 |
| 313 | cell interaction | 5 | 225 | 718 | 715 |
| 314 | Cognitive Science | 9 | 222 | 823 | 1035 |
| 314 | Industry | 5 | 222 | 76 | 196 |
| 316 | Energy Harvesting | 2 | 220 | 504 | 458 |
| 317 | micromechanics | 11 | 218 | 242 | 330 |
| 318 | Multiphase Flow | 9 | 215 | 183 | 238 |
| 318 | Cellulose | 4 | 215 | 493 | 372 |
| 320 | Phytotherapy | 3 | 214 | 649 | 348 |
| 321 | Pathology | 5 | 212 | 1264 | 1168 |
| 322 | Flexible manufacturing systems | 3 | 210 | 395 | 193 |
| 323 | Transportation Engineering | 16 | 209 | 91 | 202 |
| 323 | city planning | 10 | 209 | 836 | 912 |
| 325 | Sociology | 10 | 207 | 1606 | 1632 |
| 326 | Quality Control | 8 | 206 | 946 | 1053 |
| 326 | Quality of life | 4 | 206 | 1184 | 951 |
| 328 | Social Sciences | 6 | 205 | 2486 | 1622 |
| 328 | Analytical Biochemistry | 8 | 205 | 1026 | 990 |
| 328 | food handling | 6 | 205 | 560 | 662 |
| 328 | Glass | 11 | 205 | 479 | 622 |
| 328 | Cement | 5 | 205 | 422 | 545 |
| 333 | drug development | 2 | 201 | 992 | 774 |
| 334 | Ceramics | 10 | 200 | 745 | 743 |
| 334 | pottery | 10 | 200 | 480 | 618 |
| 336 | Biomolecules | 4 | 198 | 343 | 341 |
| 337 | Roads | 13 | 197 | 310 | 316 |
| 338 | Cell communication | 4 | 196 | 453 | 458 |
| 339 | Nondestructive testing | 10 | 195 | 287 | 341 |
| 340 | Microbial Ecology | 5 | 193 | 1525 | 1709 |
| 340 | Gene expression regulation | 6 | 193 | 579 | 602 |
| 342 | Software Engineering | 5 | 192 | 774 | 598 |
| 342 | Hydrodynamics | 9 | 192 | 301 | 407 |
| 344 | Solutions | 9 | 189 | 151 | 141 |
| 345 | Oncology | 5 | 188 | 1363 | 1598 |
| 346 | Water Purification | 14 | 187 | 409 | 586 |
| 347 | Linguistics | 11 | 185 | 680 | 654 |
| 348 | Information Theory | 6 | 184 | 1008 | 848 |
| 348 | Functional foods | 1 | 184 | 699 | 199 |
| 350 | Information Systems | 8 | 182 | 781 | 876 |
| 351 | Boundary Value Problems | 8 | 181 | 425 | 403 |
| 351 | Antenna Arrays | 8 | 181 | 295 | 363 |
| 351 | Fluorescence | 9 | 181 | 142 | 141 |
| 354 | Immunity | 2 | 180 | 1608 | 1386 |
| 355 | Geographic information systems | 9 | 179 | 557 | 535 |
| 355 | sanitation | 2 | 179 | 1553 | 1410 |
| 357 | Intelligent Control Systems | 12 | 177 | 417 | 372 |
| 357 | management | 7 | 177 | 2256 | 2369 |
| 359 | Traffic Engineering | 6 | 176 | 247 | 314 |
| 360 | Genetics | 18 | 174 | 1306 | 2341 |
| 361 | Industrial Safety | 12 | 172 | 459 | 721 |
| 362 | Food Preservation | 8 | 168 | 401 | 355 |
| 363 | Marine Biology | 2 | 167 | 2575 | 1734 |
| 363 | Emulsions | 10 | 167 | 108 | 102 |
| 365 | Knowledge management | 4 | 166 | 269 | 90 |
| 365 | free radicals | 3 | 166 | 1171 | 1157 |
| 367 | Seismology | 4 | 162 | 402 | 309 |
| 367 | Genomics | 10 | 162 | 1499 | 1992 |
| 369 | drug therapy | 2 | 161 | 1735 | 1189 |
| 370 | Pharmacy | 6 | 159 | 1359 | 1405 |
| 370 | Human-Computer Interaction | 10 | 159 | 747 | 1077 |
| 372 | Ergonomics | 9 | 158 | 501 | 573 |
| 372 | nucleic acids | 9 | 158 | 869 | 1248 |
| 374 | Ceramic materials | 7 | 155 | 866 | 902 |
| 375 | Developmental Biology | 7 | 154 | 1132 | 1467 |
| 375 | Communication Policy | 1 | 154 | 190 | 51 |
| 375 | Natural resources | 6 | 154 | 484 | 597 |
| 375 | Telecommunication Policy | 1 | 154 | 190 | 51 |
| 375 | peptides | 11 | 154 | 272 | 394 |
| 380 | Number Theory | 32 | 153 | 129 | 234 |
| 380 | biomedicine | 4 | 153 | 386 | 406 |
| 380 | Ultrasound | 9 | 153 | 360 | 493 |
| 383 | Mobile Computing | 11 | 151 | 499 | 743 |
| 384 | Metastasis | 4 | 150 | 100 | 241 |
| 385 | Architectural Design | 17 | 149 | 84 | 192 |
| 386 | Tissue Engineering | 3 | 148 | 332 | 237 |
| 386 | Fuzzy systems | 11 | 148 | 760 | 860 |
| 388 | Informatics | 13 | 147 | 300 | 621 |
| 389 | Microprocessors | 11 | 146 | 228 | 292 |
| 389 | Finite Element Method | 4 | 146 | 270 | 177 |
| 391 | Parasitology | 4 | 144 | 1863 | 1520 |
| 392 | Process Control | 3 | 143 | 973 | 1018 |
| 392 | Geodesy | 5 | 143 | 539 | 474 |
| 394 | Molecular Pharmacology | 6 | 142 | 528 | 720 |
| 394 | nuclear power | 9 | 142 | 228 | 188 |
| 396 | Speech-Language Pathology | 8 | 141 | 109 | 160 |
| 396 | Algorithms | 10 | 141 | 312 | 379 |
| 396 | Urban Transportation | 9 | 141 | 29 | 35 |
| 396 | automatic speech recognition | 8 | 141 | 32 | 92 |
| 400 | Bioenergetics | 4 | 140 | 697 | 715 |
| 400 | Digital electronics | 13 | 140 | 59 | 73 |
| 402 | Rheology | 5 | 139 | 409 | 385 |
| 403 | Climate change | 2 | 136 | 1104 | 1249 |
| 404 | Total Quality Management | 3 | 134 | 541 | 347 |
| 404 | Microfabrication | 10 | 134 | 115 | 199 |
| 406 | Project Management | 4 | 133 | 210 | 381 |
| 406 | Food additives | 3 | 133 | 1092 | 1046 |
| 406 | hydrocolloids | 3 | 133 | 597 | 770 |
| 409 | microwave antennas | 4 | 132 | 326 | 161 |
| 409 | Marine Pollution | 1 | 132 | 1805 | 1109 |
| 409 | Radio wave propagation | 4 | 132 | 609 | 416 |
| 412 | Metabolism | 2 | 131 | 2123 | 1833 |
| 413 | Technological Innovations | 10 | 130 | 432 | 845 |
| 414 | Metabolic diseases | 1 | 129 | 2290 | 1617 |
| 415 | Ultrasonic Imaging | 8 | 128 | 250 | 372 |
| 416 | Geology | 11 | 125 | 1543 | 1959 |
| 416 | Embedded Systems | 8 | 125 | 95 | 121 |
| 416 | Atmospheric Chemistry | 3 | 125 | 803 | 854 |
| 416 | plant molecular biology | 3 | 125 | 1347 | 1433 |
| 420 | Crystallography | 17 | 124 | 688 | 738 |
| 421 | Neurology | 9 | 123 | 2332 | 3070 |
| 421 | Virology | 16 | 123 | 1082 | 2178 |
| 421 | United States | 20 | 123 | 1842 | 3175 |
| 424 | Environmental Microbiology | 2 | 122 | 1514 | 1352 |
| 424 | Biodiversity conservation | 2 | 122 | 1674 | 1562 |
| 424 | sustainability | 13 | 122 | 284 | 880 |
| 424 | Proteome | 5 | 122 | 781 | 953 |
| 428 | Algebra | 7 | 121 | 1069 | 718 |
| 428 | soil microbiology | 3 | 121 | 1326 | 1533 |
| 430 | Computational Chemistry | 5 | 120 | 499 | 573 |
| 431 | food contamination | 4 | 119 | 870 | 675 |
| 431 | irrigation | 12 | 119 | 100 | 207 |
| 431 | drainage | 12 | 119 | 77 | 126 |
| 434 | global environmental change | 4 | 118 | 661 | 847 |
| 435 | Computational Intelligence | 10 | 117 | 235 | 445 |
| 435 | electric vehicles | 4 | 117 | 253 | 271 |
| 435 | human behavior | 4 | 117 | 1961 | 2389 |
| 435 | Mechanics | 14 | 117 | 510 | 835 |
| 439 | Genetic regulation | 5 | 115 | 728 | 944 |
| 440 | Porous materials | 11 | 114 | 257 | 475 |
| 441 | Optical Communications | 10 | 112 | 343 | 501 |
| 442 | Plant Genetics | 2 | 110 | 761 | 734 |
| 442 | Eutrophication | 1 | 110 | 1263 | 1306 |
| 442 | Asia | 20 | 110 | 874 | 1820 |
| 445 | Probiotics | 5 | 108 | 68 | 132 |
| 446 | structural stability | 6 | 107 | 198 | 335 |
| 447 | Machining | 10 | 105 | 26 | 75 |
| 447 | drugs | 7 | 105 | 1203 | 1553 |
| 449 | Structural health monitoring | 5 | 104 | 133 | 221 |
| 449 | Thermochemistry | 3 | 104 | 506 | 398 |
| 451 | Cartography | 2 | 103 | 583 | 239 |
| 451 | Flood control | 2 | 103 | 337 | 154 |
| 453 | Geography | 6 | 102 | 1398 | 1632 |
| 453 | Risk Management | 1 | 102 | 1192 | 580 |
| 453 | Flood forecasting | 1 | 102 | 250 | 86 |
| 456 | Carcinogenesis | 2 | 101 | 981 | 899 |
| 456 | Plant breeding | 2 | 101 | 867 | 630 |
| 456 | Transgenic plants | 2 | 101 | 499 | 449 |
| 459 | Regional Planning | 2 | 99 | 1660 | 1202 |
| 459 | Earthquakes | 3 | 99 | 353 | 265 |
| 459 | Ethnology | 10 | 99 | 748 | 923 |
| 462 | Data Mining | 6 | 98 | 1074 | 1481 |
| 462 | Cardiovascular system | 1 | 98 | 1435 | 1273 |
| 464 | behavioral medicine | 1 | 95 | 1848 | 1390 |
| 464 | probabilities | 16 | 95 | 580 | 809 |
| 466 | Clinical Chemistry | 5 | 94 | 1771 | 2126 |
| 466 | mutagens | 1 | 94 | 986 | 780 |
| 466 | Entomology | 3 | 94 | 2146 | 1557 |
| 469 | Ecohydrology | 7 | 93 | 152 | 291 |
| 469 | environmental issues | 1 | 93 | 788 | 467 |
| 471 | Stochastic Processes | 13 | 92 | 336 | 656 |
| 472 | Functional Analysis | 12 | 91 | 711 | 998 |
| 472 | Biopharmaceutics | 4 | 91 | 865 | 1055 |
| 474 | Photography | 29 | 90 | 355 | 346 |
| 474 | software | 4 | 90 | 895 | 1128 |
| 476 | mathematical concepts | 5 | 89 | 270 | 249 |
| 477 | air quality | 3 | 88 | 192 | 197 |
| 478 | Environmental Geochemistry | 4 | 87 | 430 | 534 |
| 478 | Environmental pollutants | 4 | 87 | 1898 | 2304 |
| 478 | Minerals | 4 | 87 | 652 | 770 |
| 481 | Atmospheric Physics | 2 | 85 | 1600 | 1412 |
| 481 | Evolutionary Computation | 6 | 85 | 251 | 656 |
| 481 | Swarm Intelligence | 6 | 85 | 128 | 370 |
| 481 | Drying | 6 | 85 | 226 | 359 |
| 481 | Tropical Medicine | 7 | 85 | 1074 | 1391 |
| 481 | Information Science | 7 | 85 | 1714 | 2409 |
| 487 | Statistics | 9 | 84 | 1532 | 1746 |
| 487 | Chemical processes | 10 | 84 | 208 | 458 |
| 489 | Environmental Toxicology | 3 | 83 | 2272 | 2535 |
| 489 | Economic Development | 3 | 83 | 1503 | 1533 |
| 491 | Integrated Circuits | 9 | 81 | 404 | 408 |
| 491 | water reuse | 8 | 81 | 96 | 378 |
| 493 | Visual Communication | 6 | 80 | 231 | 351 |
| 493 | Image enhancement | 6 | 80 | 171 | 319 |
| 493 | environmental remediation | 5 | 80 | 186 | 360 |
| 496 | Municipal Engineering | 4 | 78 | 247 | 384 |
| 496 | Watershed management | 6 | 78 | 70 | 142 |
| 496 | Cell differentiation | 1 | 78 | 1640 | 1511 |
| 496 | DNA methylation | 1 | 78 | 469 | 373 |
| 496 | Microwave devices | 5 | 78 | 362 | 426 |
| 501 | Psychology | 11 | 77 | 2484 | 3649 |
| 501 | Industrial Design | 4 | 77 | 195 | 276 |
| 501 | Nuclear Fusion | 6 | 77 | 371 | 448 |
| 501 | Development | 2 | 77 | 948 | 939 |
| 501 | gene mapping | 5 | 77 | 1312 | 1926 |
| 506 | Food Science | 6 | 76 | 77 | 133 |
| 506 | Nanomedicine | 6 | 76 | 77 | 346 |
| 508 | Ferroelectricity | 7 | 75 | 663 | 690 |
| 508 | data collection | 1 | 75 | 1736 | 1164 |
| 508 | United Kingdom | 1 | 75 | 2003 | 1356 |
| 508 | Egypt | 2 | 75 | 740 | 632 |
| 512 | microwave communication systems | 4 | 73 | 335 | 392 |
| 512 | geological modeling | 6 | 73 | 297 | 480 |
| 514 | Supramolecular chemistry | 6 | 72 | 119 | 166 |
| 514 | Economic Assistance | 1 | 72 | 1139 | 897 |
| 514 | world | 1 | 72 | 1145 | 988 |
| 517 | Materials Engineering | 8 | 71 | 305 | 590 |
| 517 | Radio | 5 | 71 | 1081 | 1344 |
| 517 | Catalysts | 5 | 71 | 507 | 704 |
| 520 | Technology Assessment | 3 | 70 | 401 | 697 |
| 521 | air quality management | 5 | 69 | 340 | 626 |
| 522 | Medical Microbiology | 4 | 68 | 1561 | 2154 |
| 522 | Forest Ecology | 3 | 68 | 959 | 1159 |
| 522 | Biomechanics | 3 | 68 | 1218 | 1278 |
| 522 | water supply | 4 | 68 | 708 | 1020 |
| 526 | Enzyme | 5 | 67 | 360 | 770 |
| 526 | environmental exposure | 3 | 67 | 1850 | 2185 |
| 526 | plant communities | 1 | 67 | 1437 | 1284 |
| 526 | Plant cells | 1 | 67 | 1316 | 1437 |
| 530 | Health | 2 | 66 | 2319 | 1918 |
| 530 | Extreme environments | 2 | 66 | 285 | 357 |
| 532 | Phytochemistry | 4 | 65 | 187 | 382 |
| 532 | Expert Systems | 7 | 65 | 47 | 188 |
| 532 | Phytoremediation | 4 | 65 | 187 | 382 |
| 532 | Bioreactors | 4 | 65 | 187 | 382 |
| 536 | Bioavailability | 4 | 64 | 41 | 90 |
| 536 | multimedia | 4 | 64 | 412 | 652 |
| 536 | Interactive multimedia | 4 | 64 | 475 | 709 |
| 536 | food industry | 3 | 64 | 777 | 775 |
| 540 | Metallic Glasses | 5 | 63 | 311 | 488 |
| 540 | Chemical kinetics | 6 | 63 | 496 | 552 |
| 540 | Plant diseases | 5 | 63 | 1464 | 1759 |
| 540 | population geography | 1 | 63 | 669 | 471 |
| 540 | World Wide Web | 7 | 63 | 165 | 319 |
| 545 | Aerospace Engineering | 7 | 62 | 127 | 184 |
| 545 | Radiochemistry | 3 | 62 | 985 | 740 |
| 547 | Soil stabilization | 2 | 61 | 10 | 7 |
| 547 | Parasitic Diseases | 2 | 61 | 1970 | 1866 |
| 547 | Parasites | 2 | 61 | 1766 | 1543 |
| 550 | Plant genetic engineering | 1 | 60 | 1254 | 1095 |
| 550 | Imaging systems | 5 | 60 | 591 | 620 |
| 552 | Greenhouse gases | 3 | 59 | 274 | 470 |
| 552 | Gene library | 1 | 59 | 154 | 138 |
| 554 | Neurotoxicology | 2 | 58 | 698 | 810 |
| 554 | Apoptosis | 2 | 58 | 338 | 412 |
| 554 | neurotoxins | 2 | 58 | 338 | 412 |
| 554 | Neurotoxic agents | 2 | 58 | 338 | 412 |
| 554 | Ubiquitous computing | 1 | 58 | 614 | 161 |
| 554 | Metallography | 4 | 58 | 674 | 944 |
| 554 | data protection | 5 | 58 | 381 | 570 |
| 554 | Nerve regeneration | 2 | 58 | 338 | 412 |
| 554 | Aquatic ecology | 6 | 58 | 641 | 967 |
| 563 | Occupational Health | 6 | 57 | 667 | 1000 |
| 563 | Biogeochemistry | 2 | 57 | 1182 | 1360 |
| 563 | cell physiology | 1 | 57 | 1694 | 1621 |
| 563 | Soviet Union | 8 | 57 | 292 | 392 |
| 567 | Plant Ecology | 1 | 56 | 2305 | 2035 |
| 567 | Drug delivery devices | 1 | 56 | 470 | 488 |
| 567 | Radiation effects | 1 | 56 | 1066 | 954 |
| 567 | silicon | 4 | 56 | 283 | 317 |
| 571 | Geochemistry | 2 | 55 | 2009 | 2017 |
| 571 | Biological Systems | 6 | 55 | 296 | 680 |
| 571 | Cosmochemistry | 2 | 55 | 995 | 1073 |
| 571 | infection | 6 | 55 | 949 | 1604 |
| 571 | construction industry | 3 | 55 | 140 | 154 |
| 576 | Evolutionary Genetics | 3 | 54 | 665 | 855 |
| 576 | Molecular Epidemiology | 3 | 54 | 665 | 855 |
| 576 | Mental Health Services | 2 | 54 | 1279 | 1243 |
| 576 | Gerontology | 2 | 54 | 2040 | 1663 |
| 576 | Safety management | 4 | 54 | 461 | 573 |
| 576 | Vaccines | 7 | 54 | 971 | 1721 |
| 582 | starch | 1 | 53 | 588 | 406 |
| 582 | clay minerals | 3 | 53 | 272 | 400 |
| 582 | Post-traumatic stress disorder | 1 | 53 | 1146 | 932 |
| 582 | Decision making | 6 | 53 | 961 | 1610 |
| 582 | Bereavement | 1 | 53 | 402 | 200 |
| 587 | optical devices | 2 | 52 | 627 | 545 |
| 588 | Graph Theory | 7 | 51 | 456 | 561 |
| 588 | pollutants | 3 | 51 | 1825 | 2474 |
| 588 | Combinatorial analysis | 6 | 51 | 729 | 785 |
| 591 | Database Management | 5 | 50 | 588 | 872 |
| 591 | Telecommunications | 9 | 50 | 315 | 830 |
| 591 | Erosion | 4 | 50 | 44 | 159 |
| 594 | extraterrestrial environment | 7 | 49 | 319 | 636 |
| 594 | astronomical phenomena | 7 | 49 | 285 | 586 |
| 596 | Nuclear Chemistry | 2 | 48 | 1274 | 956 |
| 596 | Fractional Calculus | 2 | 48 | 207 | 186 |
| 596 | Geodynamics | 1 | 48 | 1177 | 1019 |
| 596 | Solitons | 3 | 48 | 1248 | 1433 |
| 596 | Fractals | 3 | 48 | 1256 | 1436 |
| 596 | Chaos | 3 | 48 | 1248 | 1433 |
| 596 | Electromagnetic fields | 2 | 48 | 511 | 234 |
| 603 | Economics | 13 | 47 | 2062 | 3369 |
| 603 | economic policy | 7 | 47 | 1542 | 2061 |
| 603 | industrial relations | 3 | 47 | 834 | 882 |
| 603 | Employee rights | 2 | 47 | 117 | 83 |
| 607 | Neurobiology | 1 | 46 | 1905 | 1805 |
| 607 | Risk | 5 | 46 | 362 | 723 |
| 607 | natural products | 6 | 46 | 1276 | 1867 |
| 607 | Iron | 1 | 46 | 499 | 336 |
| 607 | Radio waves | 4 | 46 | 727 | 1025 |
| 607 | Uncertainty | 5 | 46 | 107 | 254 |
| 613 | impact | 2 | 45 | 376 | 504 |
| 614 | Molecular Genetics | 3 | 44 | 1530 | 2199 |
| 614 | Plant Biotechnology | 3 | 44 | 738 | 1028 |
| 614 | Alternative Medicine | 2 | 44 | 1776 | 1999 |
| 614 | complementary therapies | 2 | 44 | 1995 | 2109 |
| 614 | bioluminescence | 4 | 44 | 275 | 357 |
| 619 | Occupational Therapy | 5 | 43 | 735 | 831 |
| 619 | Discrete Mathematics | 5 | 43 | 232 | 206 |
| 619 | industrial hygiene | 5 | 43 | 739 | 955 |
| 619 | Chromosome mapping | 4 | 43 | 1346 | 2143 |
| 619 | graph | 5 | 43 | 232 | 206 |
| 619 | Wind power | 5 | 43 | 180 | 352 |
| 619 | winds | 5 | 43 | 60 | 112 |
| 619 | Convergence | 1 | 43 | 114 | 163 |
| 619 | Agriculture | 3 | 43 | 2033 | 2390 |
| 628 | diffusion | 3 | 42 | 329 | 118 |
| 628 | wind erosion | 1 | 42 | 216 | 235 |
| 630 | Cloud Computing | 3 | 41 | 310 | 581 |
| 630 | Optoelectronics | 3 | 41 | 525 | 473 |
| 630 | Food texture | 1 | 41 | 323 | 282 |
| 633 | biofuels | 1 | 40 | 474 | 692 |
| 633 | disease vectors | 2 | 40 | 1122 | 1357 |
| 633 | atmospheric models | 1 | 40 | 861 | 858 |
| 636 | Histology | 5 | 39 | 1279 | 2073 |
| 636 | Adhesion | 5 | 39 | 501 | 910 |
| 636 | Graphene | 1 | 39 | 255 | 291 |
| 636 | commerce | 3 | 39 | 1581 | 1885 |
| 636 | adhesives | 5 | 39 | 535 | 921 |
| 636 | Nonlinear systems | 1 | 39 | 998 | 761 |
| 636 | Psychophysiology | 2 | 39 | 2545 | 2831 |
| 643 | Groundwater | 2 | 38 | 643 | 795 |
| 643 | Host-parasite interactions | 1 | 38 | 1557 | 1669 |
| 645 | Information Retrieval | 1 | 37 | 818 | 698 |
| 645 | Educational Technology | 3 | 37 | 1655 | 2165 |
| 645 | Computational Linguistics | 9 | 37 | 192 | 563 |
| 645 | ethnicity | 5 | 37 | 512 | 737 |
| 645 | Serbia | 1 | 37 | 296 | 64 |
| 645 | East Asia | 9 | 37 | 246 | 703 |
| 645 | Nervous system | 3 | 37 | 1988 | 2625 |
| 645 | Heterocyclic compounds | 5 | 37 | 767 | 1045 |
| 653 | Adolescent Medicine | 1 | 36 | 847 | 916 |
| 653 | Cryptography | 5 | 36 | 475 | 620 |
| 653 | adolescence | 1 | 36 | 1443 | 1238 |
| 653 | Molecular evolution | 4 | 36 | 1196 | 2111 |
| 653 | older people | 1 | 36 | 2134 | 1500 |
| 653 | Adolescent | 1 | 36 | 2799 | 2298 |
| 653 | drug toxicity | 1 | 36 | 940 | 892 |
| 653 | Aging | 1 | 36 | 3109 | 2656 |
| 661 | Probability | 2 | 35 | 706 | 812 |
| 661 | Operations Research | 12 | 35 | 1170 | 2388 |
| 661 | Photogrammetry | 8 | 35 | 431 | 598 |
| 661 | freshwater biology | 1 | 35 | 1430 | 1261 |
| 661 | Muscle contraction | 5 | 35 | 210 | 258 |
| 666 | Adaptive control systems | 2 | 34 | 765 | 763 |
| 666 | cytokines | 2 | 34 | 1278 | 1674 |
| 666 | Growth factors | 2 | 34 | 315 | 602 |
| 666 | Cytokine | 2 | 34 | 464 | 707 |
| 666 | venom | 2 | 34 | 910 | 1120 |
| 666 | Toxins | 2 | 34 | 1025 | 1237 |
| 672 | Systems Biology | 2 | 33 | 1558 | 2009 |
| 672 | natural gas | 1 | 33 | 619 | 652 |
| 674 | Language Disorders | 1 | 32 | 1171 | 1012 |
| 674 | Speech Disorders | 1 | 32 | 1326 | 1170 |
| 674 | Radioisotopes | 3 | 32 | 1028 | 1153 |
| 674 | Light | 2 | 32 | 1010 | 1335 |
| 674 | Hearing | 1 | 32 | 944 | 819 |
| 674 | Culture | 3 | 32 | 1063 | 1123 |
| 680 | Naval Architecture | 4 | 31 | 251 | 413 |
| 680 | Product Design | 3 | 31 | 518 | 615 |
| 680 | Pharmacokinetics | 4 | 31 | 670 | 1312 |
| 680 | Raman spectroscopy | 1 | 31 | 1299 | 1187 |
| 680 | Transport | 1 | 31 | 947 | 974 |
| 680 | Sulfur | 4 | 31 | 71 | 125 |
| 680 | Microscopy | 6 | 31 | 962 | 1602 |
| 687 | Social Change | 1 | 30 | 1640 | 1875 |
| 687 | International Finance | 2 | 30 | 1882 | 2099 |
| 689 | Systems Theory | 4 | 29 | 306 | 487 |
| 689 | amino acids | 2 | 29 | 716 | 999 |
| 691 | Kinetics | 2 | 28 | 625 | 772 |
| 691 | Biometrics | 3 | 28 | 927 | 1197 |
| 691 | rivers | 2 | 28 | 358 | 517 |
| 691 | Textile industry | 3 | 28 | 484 | 582 |
| 695 | Global Health | 2 | 27 | 1270 | 1508 |
| 695 | Econometrics | 1 | 27 | 1933 | 1517 |
| 695 | Statistical Mechanics | 9 | 27 | 345 | 768 |
| 695 | big data | 4 | 27 | 486 | 1056 |
| 695 | Leukemia | 1 | 27 | 973 | 1035 |
| 695 | public works | 2 | 27 | 201 | 210 |
| 701 | Operator theory | 6 | 26 | 258 | 459 |
| 701 | international trade | 1 | 26 | 1282 | 1065 |
| 701 | Planets | 1 | 26 | 1760 | 1947 |
| 701 | infrared technology | 1 | 26 | 374 | 232 |
| 701 | Investments | 1 | 26 | 1012 | 865 |
| 706 | Marine Engineering | 3 | 25 | 240 | 292 |
| 706 | Clinical Biochemistry | 1 | 25 | 1524 | 1456 |
| 706 | Microbial Genetics | 2 | 25 | 424 | 659 |
| 706 | Liquid Crystals | 3 | 25 | 892 | 909 |
| 706 | Parallel Processing | 3 | 25 | 441 | 794 |
| 706 | Inflammation | 1 | 25 | 1474 | 1696 |
| 706 | Pesticides | 1 | 25 | 1138 | 1120 |
| 706 | Cheminformatics | 1 | 25 | 577 | 657 |
| 706 | Vegetation | 2 | 25 | 132 | 128 |
| 706 | Radio frequency | 1 | 25 | 691 | 729 |
| 716 | Education | 5 | 24 | 2725 | 3807 |
| 716 | Computational Complexity | 4 | 24 | 909 | 1423 |
| 716 | ports | 3 | 24 | 214 | 434 |
| 716 | Waterways | 3 | 24 | 106 | 153 |
| 716 | Harbors | 3 | 24 | 110 | 155 |
| 716 | heredity | 3 | 24 | 612 | 954 |
| 716 | Evolution | 3 | 24 | 1635 | 2436 |
| 723 | Horticulture | 3 | 23 | 739 | 1165 |
| 723 | Solar power plants | 1 | 23 | 315 | 415 |
| 723 | Cognitive Radio Networks | 2 | 23 | 269 | 410 |
| 723 | Superconductors | 3 | 23 | 863 | 1036 |
| 723 | Nanomanufacturing | 2 | 23 | 158 | 118 |
| 723 | Photovoltaic Cells | 1 | 23 | 317 | 416 |
| 723 | supercritical fluids | 2 | 23 | 491 | 819 |
| 723 | compost | 1 | 23 | 48 | 58 |
| 723 | technical education | 3 | 23 | 673 | 1057 |
| 723 | rehabilitation | 3 | 23 | 1922 | 2760 |
| 723 | Chemical reactors | 6 | 23 | 71 | 171 |
| 734 | Urban Policy | 2 | 22 | 1065 | 1537 |
| 734 | Entropy | 2 | 22 | 1481 | 1689 |
| 734 | Lipids | 1 | 22 | 1708 | 1886 |
| 734 | Microstructure | 3 | 22 | 955 | 1313 |
| 734 | smart structures | 1 | 22 | 24 | 16 |
| 734 | hygiene | 2 | 22 | 627 | 968 |
| 734 | Behavior | 3 | 22 | 2678 | 4064 |
| 741 | Molecular Microbiology | 2 | 21 | 869 | 1384 |
| 741 | Systems Analysis | 6 | 21 | 787 | 1766 |
| 741 | Cytogenetics | 4 | 21 | 999 | 1809 |
| 741 | Regenerative Medicine | 1 | 21 | 304 | 328 |
| 741 | economic indicators | 3 | 21 | 89 | 199 |
| 741 | cryosphere | 1 | 21 | 534 | 637 |
| 741 | biological monitoring | 2 | 21 | 620 | 1076 |
| 748 | Superconductivity | 2 | 20 | 538 | 656 |
| 748 | gene therapy | 2 | 20 | 960 | 1422 |
| 748 | Genetic therapy | 2 | 20 | 981 | 1413 |
| 748 | Water chemistry | 4 | 20 | 215 | 792 |
| 748 | Trace elements | 1 | 20 | 523 | 711 |
| 748 | gene transfer | 2 | 20 | 307 | 511 |
| 748 | genetic transformation | 2 | 20 | 307 | 511 |
| 755 | Chronobiology | 1 | 19 | 886 | 871 |
| 755 | Political Psychology | 1 | 19 | 571 | 694 |
| 755 | Social Networks | 3 | 19 | 298 | 709 |
| 755 | Veterinary Immunology | 1 | 19 | 550 | 627 |
| 755 | Nanophotonics | 2 | 19 | 409 | 674 |
| 755 | biological clocks | 1 | 19 | 886 | 871 |
| 755 | Diagnostic Imaging | 3 | 19 | 1629 | 2286 |
| 755 | Online social networks | 4 | 19 | 204 | 659 |
| 755 | circadian rhythm | 1 | 19 | 886 | 871 |
| 755 | biological rhythms | 1 | 19 | 849 | 853 |
| 755 | Culture techniques | 1 | 19 | 466 | 447 |
| 755 | cycles | 1 | 19 | 335 | 242 |
| 767 | Endocrinology | 1 | 18 | 2971 | 3259 |
| 767 | Marine Geology | 2 | 18 | 720 | 985 |
| 767 | Marine Geophysics | 2 | 18 | 327 | 514 |
| 767 | Marine mineral resources | 2 | 18 | 201 | 314 |
| 767 | Microfluidics | 4 | 18 | 178 | 517 |
| 767 | Business Intelligence | 1 | 18 | 75 | 30 |
| 767 | Hormones | 1 | 18 | 1548 | 1757 |
| 767 | Seabed | 2 | 18 | 201 | 314 |
| 775 | Intellectual Property | 1 | 17 | 401 | 232 |
| 775 | Nationalism | 1 | 17 | 624 | 536 |
| 775 | Simulation Methods | 4 | 17 | 875 | 1784 |
| 775 | patents | 1 | 17 | 174 | 197 |
| 775 | Genes | 3 | 17 | 1036 | 1717 |
| 780 | Hydrogeology | 2 | 16 | 817 | 1270 |
| 780 | Hydraulic structures | 2 | 16 | 62 | 80 |
| 780 | Interfaces | 1 | 16 | 655 | 702 |
| 780 | Marine resources | 2 | 16 | 833 | 1381 |
| 780 | Mountains | 1 | 16 | 794 | 778 |
| 785 | Engineering Physics | 2 | 15 | 125 | 110 |
| 785 | Labor Economics | 4 | 15 | 422 | 842 |
| 785 | Differential Equations | 3 | 15 | 1071 | 1402 |
| 785 | soil conservation | 2 | 15 | 989 | 1578 |
| 785 | soil pollution | 2 | 15 | 732 | 1231 |
| 785 | fusion reactors | 2 | 15 | 484 | 561 |
| 785 | Zoonoses | 1 | 15 | 561 | 770 |
| 792 | Ethnic relations | 3 | 14 | 600 | 962 |
| 792 | Database Security | 1 | 14 | 192 | 234 |
| 792 | Protective coatings | 2 | 14 | 223 | 339 |
| 792 | Fossil fuels | 4 | 14 | 55 | 96 |
| 792 | land tenure | 1 | 14 | 153 | 251 |
| 792 | Land reform | 1 | 14 | 154 | 251 |
| 792 | Chromatographic analysis | 2 | 14 | 2019 | 2591 |
| 792 | finance | 4 | 14 | 2030 | 3081 |
| 792 | ground penetrating radar | 1 | 14 | 147 | 156 |
| 792 | Solar System | 2 | 14 | 813 | 1104 |
| 802 | Social Psychology | 4 | 13 | 1839 | 3220 |
| 802 | Animal Behavior | 1 | 13 | 2324 | 2772 |
| 802 | digital preservation | 2 | 13 | 91 | 237 |
| 802 | Ethology | 1 | 13 | 1859 | 2311 |
| 802 | Semigroups | 3 | 13 | 300 | 397 |
| 802 | viruses | 2 | 13 | 1306 | 2049 |
| 802 | Metrology | 1 | 13 | 172 | 168 |
| 802 | drug evaluation | 1 | 13 | 1739 | 2110 |
| 802 | Biodiversity | 2 | 13 | 2394 | 3189 |
| 811 | Proteomics | 1 | 12 | 1419 | 1812 |
| 811 | Medical genetics | 1 | 12 | 2394 | 2952 |
| 811 | Mineralogy | 2 | 12 | 1430 | 1913 |
| 811 | Plasma chemistry | 3 | 12 | 375 | 839 |
| 811 | Water quality | 2 | 12 | 306 | 783 |
| 816 | Quality Management | 2 | 11 | 241 | 463 |
| 816 | Sports Medicine | 1 | 11 | 3035 | 3014 |
| 816 | Sustainable agriculture | 2 | 11 | 894 | 1607 |
| 816 | Coding Theory | 2 | 11 | 474 | 612 |
| 816 | Physical fitness | 1 | 11 | 1506 | 1794 |
| 816 | Cell metabolism | 1 | 11 | 987 | 1348 |
| 816 | Quantum theory | 5 | 11 | 806 | 1484 |
| 823 | Agricultural Ecology | 1 | 10 | 1571 | 2130 |
| 823 | Psycholinguistics | 2 | 10 | 1056 | 1604 |
| 823 | Energy Consumption | 1 | 10 | 707 | 1050 |
| 823 | Biotransformation | 2 | 10 | 156 | 401 |
| 823 | Gene expression | 2 | 10 | 321 | 626 |
| 823 | Cell division | 2 | 10 | 435 | 883 |
| 823 | Mitochondria | 2 | 10 | 334 | 772 |
| 823 | food consumption | 1 | 10 | 145 | 275 |
| 823 | cooling | 5 | 10 | 23 | 77 |
| 823 | vapor-liquid equilibrium | 5 | 10 | 23 | 77 |
| 823 | Social behavior | 2 | 10 | 1332 | 2049 |
| 823 | color | 1 | 10 | 483 | 610 |
| 823 | Landslides | 1 | 10 | 461 | 727 |
| 836 | Archaeology | 2 | 9 | 1394 | 1784 |
| 836 | Game Theory | 2 | 9 | 687 | 1026 |
| 836 | Architectural Acoustics | 1 | 9 | 119 | 109 |
| 836 | Chemotherapy | 1 | 9 | 1407 | 1781 |
| 836 | Inorganic Chemistry | 1 | 9 | 121 | 252 |
| 836 | Nonlinear functional analysis | 1 | 9 | 1716 | 1890 |
| 836 | Africa | 3 | 9 | 1535 | 2406 |
| 836 | Information society | 1 | 9 | 352 | 556 |
| 836 | Soundproofing | 1 | 9 | 229 | 187 |
| 836 | Cell surface receptors | 1 | 9 | 264 | 413 |
| 836 | Disease | 1 | 9 | 533 | 819 |
| 847 | Humanities | 4 | 8 | 1647 | 3222 |
| 847 | Epidemiology | 3 | 8 | 2953 | 4817 |
| 847 | Polymer Engineering | 1 | 8 | 283 | 418 |
| 847 | Geometry | 1 | 8 | 1673 | 1573 |
| 847 | Veterinary Pathology | 1 | 8 | 555 | 693 |
| 847 | Animal breeding | 1 | 8 | 1107 | 1424 |
| 847 | Bibliometrics | 1 | 8 | 297 | 486 |
| 847 | Extreme Value Theory | 1 | 8 | 160 | 209 |
| 847 | Global warming | 1 | 8 | 342 | 407 |
| 847 | Synthetic biology | 1 | 8 | 505 | 745 |
| 847 | Environmental forensics | 2 | 8 | 81 | 286 |
| 847 | Random graphs | 1 | 8 | 254 | 308 |
| 847 | Magnetism | 2 | 8 | 216 | 304 |
| 847 | Reproduction | 1 | 8 | 2500 | 3014 |
| 847 | Sociobiology | 1 | 8 | 420 | 541 |
| 847 | Breeding | 1 | 8 | 1626 | 2074 |
| 847 | Aquaculture | 1 | 8 | 1938 | 2362 |
| 864 | Industrial Statistics | 3 | 7 | 206 | 549 |
| 864 | Aerial Photography | 1 | 7 | 47 | 57 |
| 864 | Crystallization | 2 | 7 | 606 | 915 |
| 864 | Oncogenes | 1 | 7 | 1150 | 1591 |
| 864 | Digital humanities | 3 | 7 | 92 | 338 |
| 864 | Production Management | 1 | 7 | 1729 | 2250 |
| 864 | DNS | 1 | 7 | 809 | 1153 |
| 864 | X-ray crystallography | 2 | 7 | 597 | 898 |
| 864 | DNA | 1 | 7 | 983 | 1298 |
| 864 | packaging | 1 | 7 | 258 | 461 |
| 874 | Queuing Theory | 1 | 6 | 303 | 370 |
| 874 | Cognitive neuroscience | 1 | 6 | 1337 | 1786 |
| 874 | Scheduling | 1 | 6 | 276 | 444 |
| 874 | Antioxidants | 1 | 6 | 1061 | 1553 |
| 874 | Production Scheduling | 1 | 6 | 276 | 444 |
| 874 | Fixed Point Theory | 2 | 6 | 374 | 610 |
| 874 | Spectroscopy | 1 | 6 | 371 | 389 |
| 874 | Neuroplasticity | 1 | 6 | 501 | 784 |
| 874 | North America | 1 | 6 | 1329 | 1670 |
| 874 | human development | 1 | 6 | 1237 | 1749 |
| 874 | Sun | 1 | 6 | 492 | 647 |
| 874 | Oxidation-reduction | 1 | 6 | 1072 | 1576 |
| 886 | Mining Engineering | 3 | 5 | 514 | 1040 |
| 886 | History | 2 | 5 | 1307 | 1094 |
| 886 | Philosophy | 1 | 5 | 2057 | 1755 |
| 886 | Logic | 1 | 5 | 727 | 834 |
| 886 | International Relations | 1 | 5 | 1526 | 1619 |
| 886 | Integrated Optics | 1 | 5 | 164 | 214 |
| 886 | Animal health | 1 | 5 | 795 | 1045 |
| 886 | epidemiologic methods | 2 | 5 | 219 | 516 |
| 886 | Industrial Ecology | 1 | 5 | 323 | 581 |
| 886 | E-Learning | 1 | 5 | 19 | 61 |
| 886 | Turbulence | 1 | 5 | 400 | 581 |
| 886 | Web-based instruction | 1 | 5 | 45 | 145 |
| 898 | Anthropology | 1 | 4 | 2159 | 2462 |
| 898 | Cognitive Psychology | 1 | 4 | 755 | 984 |
| 898 | Landscape Architecture | 2 | 4 | 196 | 437 |
| 898 | Aerodynamics | 1 | 4 | 190 | 211 |
| 898 | Quantum Mechanics | 1 | 4 | 356 | 436 |
| 898 | Interior Design | 1 | 4 | 38 | 42 |
| 898 | Information visualization | 1 | 4 | 381 | 618 |
| 898 | Lattice Theory | 2 | 4 | 270 | 427 |
| 898 | Cognitive Behavioral Therapy | 1 | 4 | 261 | 411 |
| 898 | Molecular recognition | 1 | 4 | 449 | 822 |
| 898 | Cognitive Therapy | 1 | 4 | 987 | 1459 |
| 898 | Electromagnetic waves | 1 | 4 | 594 | 857 |
| 898 | visualization | 1 | 4 | 2159 | 2058 |
| 898 | construction | 2 | 4 | 258 | 585 |
| 898 | Capital market | 1 | 4 | 813 | 1205 |
| 898 | behavior therapy | 1 | 4 | 1133 | 1577 |
| 898 | Chemical structure | 1 | 4 | 1008 | 1368 |
| 915 | Immunotherapy | 3 | 3 | 1468 | 2974 |
| 915 | Building Information Modeling | 1 | 3 | 12 | 24 |
| 915 | Child welfare | 1 | 3 | 1734 | 2436 |
| 915 | Business | 1 | 3 | 2949 | 3788 |
| 915 | Shape Memory Alloys | 1 | 3 | 90 | 163 |
| 915 | Environmental risk assessment | 1 | 3 | 775 | 1319 |
| 915 | elasticity | 1 | 3 | 421 | 610 |
| 915 | Shape memory polymers | 1 | 3 | 90 | 163 |
| 915 | Shape Memory Effect | 1 | 3 | 90 | 163 |
| 915 | Brain | 1 | 3 | 2878 | 3670 |
| 915 | RNA | 1 | 3 | 754 | 1115 |
| 915 | Structure-activity relationship | 1 | 3 | 487 | 848 |
| 927 | Political Geography | 1 | 2 | 509 | 831 |
| 927 | Community Psychology | 1 | 2 | 900 | 1417 |
| 927 | Public Policy | 1 | 2 | 2536 | 3542 |
| 927 | Nanoelectronics | 1 | 2 | 1184 | 1601 |
| 927 | Multiscale Modeling | 1 | 2 | 160 | 280 |
| 927 | Multivariate Analysis | 1 | 2 | 880 | 1229 |
| 927 | Social welfare | 1 | 2 | 983 | 1528 |
| 927 | Broadcasting | 1 | 2 | 360 | 652 |
| 927 | construction contracts | 1 | 2 | 34 | 55 |
| 927 | Semiconductor industry | 1 | 2 | 927 | 1327 |
| 927 | strategy | 1 | 2 | 306 | 434 |
| 927 | Bones | 1 | 2 | 962 | 1409 |
| 927 | Primates | 1 | 2 | 1014 | 1384 |
| 927 | Sleep | 4 | 2 | 1123 | 2409 |
| 941 | Creative Writing | 1 | 1 | 37 | 23 |
| 941 | Macroeconomics | 3 | 1 | 384 | 946 |
| 941 | health services accessibility | 1 | 1 | 1439 | 2246 |
| 941 | Sleep Disorders | 1 | 1 | 1821 | 2386 |
| 941 | Combinatorial optimization | 2 | 1 | 690 | 1360 |
| 941 | short story | 1 | 1 | 48 | 24 |
| 941 | Bifurcation Theory | 1 | 1 | 520 | 864 |
| 941 | Urbanization | 1 | 1 | 409 | 791 |
| 941 | social justice | 1 | 1 | 713 | 1057 |
| 941 | Mycology | 2 | 1 | 1659 | 2742 |
| 941 | mycoses | 2 | 1 | 851 | 1597 |
| 941 | Respiration | 1 | 1 | 1744 | 2460 |
| 941 | Fungi | 2 | 1 | 1110 | 2039 |
| 941 | Approximation Theory | 1 | 1 | 720 | 1017 |
| 941 | Consciousness | 3 | 1 | 485 | 1203 |
| 941 | functions | 1 | 1 | 1 | 2 |
| 957 | Arts | 1 | 0 | 783 | 1265 |
| 957 | Hematology | 1 | 0 | 2072 | 2748 |
| 957 | Surveying | 1 | 0 | 272 | 560 |
| 957 | Logistics | 1 | 0 | 1009 | 1599 |
| 957 | Geothermal Energy | 1 | 0 | 473 | 888 |
| 957 | Bioethics | 1 | 0 | 1403 | 2107 |
| 957 | Medical Ethics | 1 | 0 | 1626 | 2457 |
| 957 | heat pipes | 1 | 0 | 39 | 59 |
| 957 | nuclear magnetic resonance | 1 | 0 | 1262 | 1796 |
| 957 | Formal Languages | 1 | 0 | 569 | 908 |
| 957 | Water Microbiology | 1 | 0 | 875 | 1603 |
| 957 | Sports | 1 | 0 | 2723 | 3432 |
| 957 | Malaria | 1 | 0 | 971 | 1551 |
| 957 | civilization | 1 | 0 | 1586 | 1973 |
| 957 | nuclear magnetic resonance spectroscopy | 1 | 0 | 1022 | 1512 |
| 957 | labor | 1 | 0 | 632 | 1029 |
| 957 | insect vectors | 1 | 0 | 43 | 110 |
| 957 | drinking water | 1 | 0 | 272 | 685 |
| 957 | High performance computing | 2 | 0 | 95 | 457 |
| 957 | Natural history | 1 | 0 | 3987 | 5242 |
| 957 | sports equipment | 1 | 0 | 123 | 296 |