| 1 | Chemistry | 2,305 | 104.1K | 170 | 240 |
| 2 | Physics | 1,893 | 92.3K | 269 | 375 |
| 3 | Materials | 1,398 | 78.1K | 109 | 110 |
| 4 | Nanotechnology | 1,286 | 68.8K | 67 | 83 |
| 5 | Biocompatible Materials | 725 | 42.7K | 55 | 58 |
| 6 | Materials Science | 882 | 32.3K | 104 | 144 |
| 7 | Biotechnology | 628 | 32.0K | 171 | 180 |
| 8 | Nuclear Physics | 1,171 | 28.5K | 231 | 344 |
| 9 | Biology | 438 | 28.1K | 754 | 900 |
| 10 | Astrophysics | 576 | 27.9K | 350 | 413 |
| 11 | Spectrum analysis | 522 | 25.7K | 235 | 283 |
| 12 | nanoscience | 343 | 25.1K | 87 | 80 |
| 13 | Science | 477 | 24.5K | 716 | 1024 |
| 14 | Molecular Biology | 529 | 23.9K | 532 | 619 |
| 15 | Polymers | 884 | 23.4K | 94 | 138 |
| 16 | Bioengineering | 362 | 22.5K | 133 | 166 |
| 17 | Catalysis | 476 | 22.0K | 145 | 156 |
| 18 | Nanostructured Materials | 484 | 21.7K | 71 | 73 |
| 19 | Biochemistry | 797 | 21.3K | 556 | 754 |
| 20 | polymerization | 716 | 18.4K | 89 | 132 |
| 21 | Ecology | 90 | 16.6K | 1343 | 542 |
| 22 | miniaturization | 221 | 16.6K | 61 | 77 |
| 23 | Quantum Gravity | 372 | 16.2K | 190 | 168 |
| 24 | Analytical Chemistry | 470 | 16.1K | 124 | 139 |
| 25 | Optical materials | 307 | 15.3K | 85 | 98 |
| 26 | Solid State Physics | 745 | 14.8K | 186 | 315 |
| 27 | Chemical Engineering | 437 | 14.8K | 195 | 275 |
| 28 | Microelectronics | 335 | 14.6K | 37 | 75 |
| 29 | Electrochemistry | 1,050 | 12.8K | 35 | 144 |
| 30 | Metallurgy | 134 | 11.7K | 239 | 114 |
| 31 | Condensed Matter | 575 | 11.3K | 251 | 410 |
| 32 | Metals | 100 | 10.4K | 275 | 115 |
| 33 | transport vesicles | 2 | 10.1K | 370 | 94 |
| 34 | Photonics | 193 | 10.1K | 67 | 86 |
| 35 | Astronomy | 355 | 9.9K | 409 | 573 |
| 36 | Biomedical Engineering | 271 | 9.7K | 243 | 243 |
| 37 | Optics | 467 | 9.4K | 262 | 251 |
| 38 | Medicine | 386 | 9.4K | 887 | 1424 |
| 39 | Electronics | 594 | 9.0K | 58 | 120 |
| 40 | Biophysics | 393 | 8.3K | 406 | 595 |
| 41 | Research | 314 | 8.2K | 790 | 994 |
| 42 | Colloids | 237 | 8.0K | 263 | 304 |
| 43 | Carbon | 82 | 8.0K | 88 | 44 |
| 44 | Surface Chemistry | 251 | 7.7K | 240 | 298 |
| 45 | Microbiology | 228 | 7.6K | 781 | 1032 |
| 46 | Technology | 562 | 7.3K | 54 | 197 |
| 47 | Manufacturing Processes | 140 | 6.2K | 145 | 77 |
| 48 | Biochemical Engineering | 147 | 5.9K | 263 | 519 |
| 49 | actuators | 246 | 5.6K | 39 | 84 |
| 49 | transducers | 246 | 5.6K | 39 | 84 |
| 51 | Organic Chemistry | 170 | 5.5K | 278 | 277 |
| 52 | Composite Materials | 140 | 5.4K | 256 | 292 |
| 53 | Evolution | 22 | 5.4K | 751 | 247 |
| 54 | mass transfer | 152 | 5.2K | 60 | 80 |
| 55 | Biosensors | 110 | 5.1K | 37 | 52 |
| 56 | Light | 14 | 5.0K | 449 | 112 |
| 57 | nucleic acids | 49 | 4.9K | 429 | 373 |
| 58 | Artificial Intelligence | 158 | 4.8K | 284 | 290 |
| 59 | Physical Chemistry | 110 | 4.7K | 235 | 243 |
| 60 | Natural history | 32 | 4.7K | 1390 | 1762 |
| 61 | Bioelectronics | 97 | 4.6K | 29 | 52 |
| 62 | Magnetic Materials | 147 | 4.5K | 56 | 61 |
| 63 | micromechanics | 215 | 4.5K | 3 | 6 |
| 64 | Statistical physics | 286 | 4.4K | 367 | 567 |
| 65 | Nanoparticles | 124 | 4.4K | 99 | 131 |
| 66 | Cytology | 96 | 4.2K | 887 | 1153 |
| 67 | Cell Biology | 105 | 4.2K | 742 | 1150 |
| 68 | Mathematics | 319 | 4.1K | 638 | 629 |
| 69 | Metallic Glasses | 38 | 4.0K | 46 | 14 |
| 70 | Pollution | 95 | 4.0K | 1009 | 1140 |
| 71 | Green Chemistry | 83 | 3.9K | 174 | 205 |
| 72 | Combinatorial chemistry | 79 | 3.8K | 38 | 53 |
| 73 | Ceramics | 103 | 3.7K | 104 | 101 |
| 74 | Glass | 100 | 3.7K | 90 | 97 |
| 74 | pottery | 100 | 3.7K | 89 | 94 |
| 76 | Toxicology | 92 | 3.5K | 853 | 792 |
| 77 | Energy Conversion | 61 | 3.4K | 151 | 280 |
| 78 | Nanostructures | 81 | 3.3K | 153 | 259 |
| 79 | Industrial Engineering | 126 | 3.3K | 89 | 120 |
| 80 | Operations Research | 94 | 3.3K | 246 | 220 |
| 81 | fuel cells | 74 | 3.2K | 127 | 213 |
| 82 | Genetics | 34 | 3.2K | 1405 | 1064 |
| 83 | Environmental Health | 70 | 3.2K | 1129 | 1080 |
| 84 | Image Processing | 131 | 3.0K | 99 | 203 |
| 85 | Mineralogy | 26 | 3.0K | 525 | 184 |
| 86 | Pharmaceutical Chemistry | 81 | 2.9K | 794 | 776 |
| 87 | Biometrics | 37 | 2.8K | 255 | 115 |
| 88 | Statistics | 111 | 2.8K | 359 | 353 |
| 89 | Pharmacology | 65 | 2.7K | 1467 | 1225 |
| 90 | Clinical Chemistry | 50 | 2.7K | 734 | 535 |
| 91 | Process Control | 59 | 2.6K | 31 | 74 |
| 92 | Radiation | 231 | 2.6K | 28 | 165 |
| 93 | Semiconductors | 220 | 2.5K | 42 | 113 |
| 94 | proteins | 95 | 2.5K | 199 | 300 |
| 95 | Neurology | 69 | 2.5K | 1503 | 1671 |
| 96 | Environmental Chemistry | 21 | 2.5K | 746 | 444 |
| 97 | Sustainable Engineering | 63 | 2.4K | 167 | 215 |
| 98 | Nuclear Engineering | 270 | 2.3K | 64 | 87 |
| 99 | System analysis | 136 | 2.3K | 109 | 226 |
| 100 | Cancer | 59 | 2.2K | 1028 | 1125 |
| 101 | Environmental Engineering | 43 | 2.2K | 1019 | 841 |
| 102 | Business | 19 | 2.2K | 904 | 446 |
| 103 | Bioorganic chemistry | 64 | 2.1K | 558 | 589 |
| 104 | Solid State Chemistry | 139 | 2.1K | 211 | 330 |
| 105 | Virology | 49 | 2.1K | 893 | 1311 |
| 106 | protein | 69 | 2.1K | 120 | 215 |
| 107 | management | 68 | 2.0K | 660 | 822 |
| 107 | Information Science | 81 | 2.0K | 226 | 353 |
| 109 | Computational Biology | 88 | 2.0K | 297 | 615 |
| 110 | sanitation | 27 | 2.0K | 521 | 538 |
| 111 | Membranes | 66 | 1.9K | 269 | 438 |
| 112 | Radioisotopes | 157 | 1.9K | 18 | 41 |
| 113 | Water pollution | 25 | 1.9K | 1046 | 690 |
| 114 | Nuclear Energy | 183 | 1.8K | 60 | 86 |
| 115 | Plant Ecology | 5 | 1.8K | 1637 | 445 |
| 116 | Signal Processing | 85 | 1.8K | 187 | 219 |
| 117 | Solar Energy | 51 | 1.8K | 166 | 223 |
| 118 | Mathematical Physics | 89 | 1.8K | 539 | 583 |
| 119 | Environment | 44 | 1.7K | 1468 | 2049 |
| 120 | Production Engineering | 97 | 1.7K | 160 | 196 |
| 121 | Bioinformatics | 77 | 1.7K | 238 | 534 |
| 122 | Heat Exchangers | 52 | 1.7K | 113 | 150 |
| 123 | Drug delivery systems | 14 | 1.7K | 675 | 288 |
| 123 | environmental pollution | 57 | 1.7K | 1093 | 1391 |
| 125 | Environmental Management | 30 | 1.7K | 866 | 737 |
| 126 | Genetic engineering | 36 | 1.7K | 518 | 519 |
| 127 | Water | 26 | 1.6K | 903 | 817 |
| 128 | enzymes | 51 | 1.6K | 194 | 259 |
| 129 | Information Systems | 51 | 1.6K | 107 | 131 |
| 130 | Pharmaceutical Technology | 44 | 1.6K | 242 | 248 |
| 131 | Genomics | 54 | 1.6K | 726 | 857 |
| 132 | catalytic activity | 43 | 1.6K | 57 | 76 |
| 133 | Linguistics | 23 | 1.6K | 548 | 186 |
| 134 | Medical Oncology | 30 | 1.5K | 599 | 515 |
| 135 | Neural circuitry | 27 | 1.5K | 524 | 336 |
| 136 | Second Language Acquisition | 10 | 1.5K | 61 | 26 |
| 137 | Industrial Microbiology | 34 | 1.5K | 425 | 442 |
| 138 | Computer Vision | 33 | 1.5K | 223 | 289 |
| 139 | Medical genetics | 20 | 1.5K | 1521 | 1321 |
| 140 | biomedicine | 46 | 1.5K | 39 | 34 |
| 141 | Mechanical Engineering | 77 | 1.5K | 339 | 290 |
| 142 | Environmental monitoring | 45 | 1.4K | 962 | 1208 |
| 143 | Production Management | 25 | 1.4K | 306 | 344 |
| 144 | solar cells | 44 | 1.4K | 76 | 142 |
| 145 | Ergonomics | 58 | 1.4K | 148 | 125 |
| 146 | Industrial Safety | 55 | 1.4K | 95 | 122 |
| 147 | computer networks | 88 | 1.4K | 196 | 355 |
| 148 | Engineering | 134 | 1.4K | 376 | 723 |
| 149 | Social Change | 24 | 1.4K | 164 | 177 |
| 150 | Nanoelectronics | 132 | 1.3K | 14 | 39 |
| 151 | biological evolution | 13 | 1.3K | 1142 | 811 |
| 152 | genome | 24 | 1.3K | 531 | 681 |
| 153 | solar power | 36 | 1.2K | 77 | 126 |
| 154 | energy conservation | 24 | 1.2K | 525 | 543 |
| 155 | Japan | 37 | 1.2K | 378 | 191 |
| 156 | Plant cells | 4 | 1.2K | 1128 | 680 |
| 157 | Semiconductor industry | 104 | 1.2K | 12 | 32 |
| 158 | Computer Graphics | 61 | 1.2K | 226 | 329 |
| 159 | Nervous system | 10 | 1.2K | 1661 | 978 |
| 160 | Human genetics | 7 | 1.2K | 1971 | 1972 |
| 161 | United Kingdom | 38 | 1.1K | 404 | 552 |
| 162 | Fluid Mechanics | 71 | 1.1K | 243 | 386 |
| 163 | Energy Storage | 53 | 1.1K | 148 | 308 |
| 164 | Education | 62 | 1.1K | 805 | 738 |
| 165 | Zeolites | 27 | 1.1K | 187 | 181 |
| 165 | Memory | 11 | 1.1K | 1187 | 634 |
| 167 | Ceramic materials | 41 | 1.0K | 204 | 226 |
| 168 | Vaccines | 31 | 1.0K | 563 | 544 |
| 169 | Immunology | 35 | 1.0K | 1482 | 1845 |
| 170 | Automation | 35 | 1.0K | 454 | 505 |
| 171 | Nuclear Chemistry | 123 | 1.0K | 49 | 128 |
| 172 | Cosmology | 77 | 1.0K | 161 | 262 |
| 173 | Radiochemistry | 123 | 1.0K | 54 | 108 |
| 174 | gene mapping | 32 | 1.0K | 575 | 801 |
| 175 | Biomass Energy | 15 | 999 | 1269 | 991 |
| 175 | Radiobiology | 32 | 999 | 454 | 511 |
| 177 | Geophysics | 26 | 998 | 1659 | 1477 |
| 178 | Combustion | 58 | 996 | 202 | 324 |
| 179 | Developmental Biology | 22 | 995 | 873 | 967 |
| 180 | Chromosome mapping | 31 | 992 | 503 | 653 |
| 181 | Enzyme | 34 | 977 | 24 | 72 |
| 181 | biological factors | 28 | 977 | 510 | 468 |
| 183 | biopolymers | 43 | 974 | 232 | 313 |
| 184 | Physical organic chemistry | 29 | 953 | 341 | 247 |
| 185 | Molecular structure | 47 | 948 | 491 | 809 |
| 186 | viruses | 20 | 940 | 655 | 752 |
| 187 | Nanochemistry | 56 | 935 | 61 | 88 |
| 188 | Electrical Engineering | 270 | 932 | 176 | 538 |
| 189 | mutagens | 17 | 926 | 294 | 291 |
| 190 | cell physiology | 35 | 925 | 402 | 725 |
| 191 | Medical Physics | 59 | 923 | 349 | 533 |
| 192 | Catalysts | 13 | 916 | 238 | 100 |
| 193 | Histology | 23 | 911 | 703 | 660 |
| 194 | nuclear power | 77 | 908 | 46 | 48 |
| 195 | Nonlinear Dynamics | 77 | 906 | 451 | 783 |
| 196 | Oncogenes | 18 | 892 | 543 | 700 |
| 197 | Bacteriology | 25 | 882 | 724 | 930 |
| 198 | Immunity | 24 | 879 | 799 | 1291 |
| 199 | Atomic spectroscopy | 51 | 878 | 135 | 236 |
| 200 | Metabolic diseases | 7 | 873 | 2031 | 1313 |
| 201 | Quality Control | 58 | 871 | 131 | 357 |
| 202 | Toxins | 34 | 867 | 101 | 124 |
| 203 | Meteorology | 10 | 861 | 1583 | 1041 |
| 204 | venom | 32 | 860 | 98 | 112 |
| 205 | carcinogens | 18 | 855 | 332 | 320 |
| 206 | Metabolism | 14 | 852 | 1700 | 1465 |
| 207 | Chemical analysis | 37 | 849 | 128 | 212 |
| 208 | Stem cells | 15 | 846 | 845 | 650 |
| 209 | Multimedia Systems | 59 | 827 | 133 | 187 |
| 210 | Mass Spectrometry | 29 | 824 | 344 | 357 |
| 211 | Economics | 99 | 813 | 820 | 1365 |
| 212 | Cell metabolism | 2 | 810 | 1054 | 552 |
| 213 | Cybernetics | 27 | 805 | 346 | 346 |
| 214 | Homeostasis | 1 | 804 | 942 | 536 |
| 215 | innovation | 14 | 792 | 172 | 275 |
| 216 | biocatalysis | 2 | 789 | 286 | 175 |
| 216 | Homogeneous catalysis | 2 | 789 | 286 | 175 |
| 216 | Heterogeneous catalysis | 2 | 789 | 286 | 175 |
| 219 | Alternative Medicine | 24 | 784 | 499 | 375 |
| 219 | complementary therapies | 24 | 784 | 537 | 383 |
| 221 | Carcinogenesis | 16 | 783 | 371 | 353 |
| 222 | Botany | 37 | 779 | 1471 | 1883 |
| 223 | Photochemistry | 36 | 773 | 357 | 507 |
| 224 | Psychology | 32 | 767 | 1770 | 1853 |
| 224 | Photobiology | 31 | 767 | 218 | 295 |
| 226 | Energy Policy | 23 | 764 | 983 | 1276 |
| 227 | Systems Analysis | 75 | 761 | 34 | 159 |
| 228 | China | 45 | 757 | 627 | 749 |
| 229 | mathematical analysis | 87 | 756 | 404 | 615 |
| 230 | Soft Condensed Matter | 42 | 754 | 226 | 360 |
| 231 | locomotion | 13 | 751 | 264 | 147 |
| 231 | posture | 13 | 751 | 264 | 147 |
| 231 | gait | 13 | 751 | 264 | 147 |
| 231 | walking | 13 | 751 | 264 | 147 |
| 235 | Neurophysiology | 28 | 750 | 1185 | 1510 |
| 236 | Recycling | 12 | 748 | 198 | 256 |
| 237 | Atmospheric Physics | 10 | 747 | 1117 | 731 |
| 238 | Atmospheric Chemistry | 7 | 740 | 768 | 559 |
| 238 | Psychophysiology | 16 | 740 | 1503 | 1411 |
| 240 | Medical Laboratory Science | 25 | 735 | 679 | 845 |
| 240 | Robotics | 36 | 735 | 371 | 451 |
| 242 | Crystallography | 104 | 727 | 119 | 331 |
| 243 | research and development | 12 | 726 | 55 | 42 |
| 244 | Numerical Analysis | 50 | 725 | 483 | 597 |
| 245 | Organometallic chemistry | 26 | 720 | 610 | 410 |
| 246 | Technological Innovations | 32 | 718 | 114 | 185 |
| 247 | Computational Fluid Dynamics | 19 | 709 | 172 | 112 |
| 248 | Fracture mechanics | 71 | 698 | 150 | 455 |
| 249 | Dynamics | 53 | 692 | 237 | 343 |
| 250 | Physiology | 34 | 690 | 1580 | 2071 |
| 251 | lasers | 43 | 686 | 298 | 387 |
| 252 | Communication | 40 | 685 | 475 | 583 |
| 253 | Organometallic compounds | 25 | 684 | 400 | 409 |
| 254 | Bioinorganic chemistry | 22 | 679 | 520 | 465 |
| 255 | Recombinant DNA | 20 | 672 | 525 | 512 |
| 256 | Cell differentiation | 15 | 670 | 932 | 1115 |
| 256 | Crystal growth | 20 | 670 | 323 | 274 |
| 258 | Psycholinguistics | 18 | 665 | 373 | 382 |
| 259 | Systems Biology | 34 | 664 | 323 | 492 |
| 260 | Medical Technology | 18 | 661 | 585 | 486 |
| 261 | Microfluidics | 42 | 655 | 6 | 27 |
| 262 | Greenhouse gases | 11 | 652 | 136 | 114 |
| 263 | Electrophoresis | 25 | 650 | 503 | 552 |
| 264 | Differential Equations | 32 | 646 | 200 | 211 |
| 265 | Economic History | 49 | 644 | 889 | 1019 |
| 266 | Brain | 31 | 635 | 1001 | 1392 |
| 267 | Wireless Communication Systems | 58 | 630 | 297 | 498 |
| 268 | United States | 30 | 627 | 1869 | 2016 |
| 269 | Liver diseases | 5 | 619 | 1382 | 1004 |
| 270 | Computer-Aided Design | 60 | 603 | 90 | 331 |
| 270 | Ultrasonics | 29 | 603 | 188 | 379 |
| 270 | Perception | 7 | 603 | 1553 | 858 |
| 273 | Behavior | 20 | 598 | 1387 | 1761 |
| 274 | Surface properties | 17 | 597 | 337 | 412 |
| 275 | Diagnostic Imaging | 26 | 595 | 674 | 846 |
| 276 | Surface-Active Agents | 16 | 594 | 313 | 364 |
| 277 | Medical innovations | 12 | 586 | 480 | 849 |
| 278 | Chromatographic analysis | 28 | 585 | 548 | 562 |
| 279 | Visual Perception | 6 | 582 | 1507 | 772 |
| 280 | Systems Engineering | 32 | 581 | 519 | 563 |
| 280 | Attention | 6 | 581 | 1565 | 800 |
| 282 | Telecommunication Systems | 44 | 572 | 200 | 370 |
| 282 | Renewable Energy Sources | 23 | 572 | 872 | 1790 |
| 284 | Proteome | 22 | 571 | 380 | 623 |
| 285 | Chromatography | 26 | 569 | 460 | 503 |
| 286 | Proteomics | 14 | 566 | 501 | 537 |
| 286 | Genetic therapy | 14 | 566 | 621 | 651 |
| 288 | Flexible manufacturing systems | 21 | 565 | 35 | 59 |
| 289 | Quantum Optics | 37 | 558 | 145 | 241 |
| 289 | Laser Spectroscopy | 37 | 558 | 113 | 209 |
| 291 | finance | 42 | 557 | 547 | 835 |
| 292 | Information Technology | 36 | 547 | 503 | 758 |
| 293 | Molecular cloning | 15 | 546 | 614 | 559 |
| 293 | Genetic recombination | 15 | 546 | 596 | 552 |
| 295 | Educational Technology | 28 | 539 | 318 | 462 |
| 296 | human behavior | 16 | 526 | 1110 | 1533 |
| 297 | Fluid Dynamics | 27 | 522 | 349 | 426 |
| 298 | Plastics | 42 | 511 | 290 | 541 |
| 299 | Entropy | 17 | 508 | 314 | 136 |
| 300 | Medical Microbiology | 7 | 506 | 1932 | 1570 |
| 301 | Cell death | 16 | 504 | 568 | 857 |
| 301 | Europe | 22 | 504 | 1365 | 1251 |
| 303 | Biodiversity conservation | 4 | 503 | 1783 | 1310 |
| 304 | gene therapy | 13 | 499 | 551 | 686 |
| 305 | Anatomy | 13 | 497 | 1142 | 1017 |
| 306 | Database Management | 33 | 493 | 174 | 345 |
| 307 | Evidence-Based Medicine | 16 | 489 | 426 | 291 |
| 308 | Ophthalmology | 13 | 488 | 1061 | 912 |
| 309 | Molecular Spectroscopy | 23 | 481 | 580 | 648 |
| 310 | Control Theory | 42 | 480 | 388 | 588 |
| 311 | Particle Physics | 38 | 462 | 104 | 226 |
| 312 | Electrochemical Analysis | 21 | 459 | 562 | 641 |
| 313 | Biodiversity | 5 | 458 | 2239 | 1259 |
| 314 | Experimental Psychology | 1 | 457 | 986 | 266 |
| 315 | Asia | 44 | 453 | 473 | 745 |
| 315 | Host-parasite interactions | 6 | 453 | 1055 | 1064 |
| 317 | Radiology | 58 | 450 | 203 | 529 |
| 318 | machinery | 23 | 437 | 152 | 193 |
| 319 | Health Information Management | 3 | 436 | 327 | 244 |
| 320 | Embryology | 10 | 434 | 1062 | 1139 |
| 321 | Signal Transduction | 12 | 431 | 730 | 952 |
| 321 | Raman spectroscopy | 14 | 431 | 273 | 243 |
| 321 | pigments | 26 | 431 | 143 | 266 |
| 324 | Nuclear Medicine | 14 | 428 | 540 | 520 |
| 324 | Simulation Methods | 15 | 428 | 278 | 172 |
| 326 | Neuropsychology | 20 | 425 | 990 | 1259 |
| 327 | Vision | 9 | 423 | 417 | 369 |
| 328 | Molecular Pharmacology | 6 | 422 | 641 | 472 |
| 328 | Interactive multimedia | 17 | 422 | 92 | 71 |
| 330 | vibration | 28 | 420 | 308 | 478 |
| 330 | multimedia | 14 | 420 | 84 | 66 |
| 332 | Power Electronics | 15 | 413 | 259 | 201 |
| 333 | Virulence | 8 | 408 | 828 | 1035 |
| 334 | Water quality management | 9 | 400 | 1211 | 736 |
| 335 | Agriculture | 11 | 399 | 1413 | 1153 |
| 336 | Developing countries | 10 | 397 | 1440 | 1082 |
| 337 | Engineering Mathematics | 32 | 395 | 715 | 813 |
| 338 | Measurement | 27 | 393 | 262 | 440 |
| 339 | Visual Communication | 19 | 392 | 60 | 68 |
| 339 | Image enhancement | 19 | 392 | 45 | 64 |
| 341 | International Finance | 28 | 389 | 436 | 762 |
| 341 | Diabetes | 8 | 389 | 1732 | 1728 |
| 343 | Interfaces | 8 | 385 | 108 | 44 |
| 344 | plant molecular biology | 11 | 383 | 941 | 1192 |
| 345 | Neurochemistry | 16 | 380 | 1270 | 1613 |
| 346 | commerce | 13 | 378 | 746 | 747 |
| 347 | Econometrics | 21 | 373 | 506 | 638 |
| 348 | Waste management | 8 | 372 | 967 | 487 |
| 349 | Water Purification | 7 | 370 | 826 | 407 |
| 350 | Pathology | 11 | 369 | 1583 | 1688 |
| 351 | Economic Development | 11 | 367 | 951 | 1046 |
| 351 | environmental protection | 19 | 367 | 1570 | 2248 |
| 353 | Bifurcation Theory | 24 | 359 | 104 | 167 |
| 354 | Plants | 17 | 358 | 1061 | 1404 |
| 355 | Multiphase Flow | 6 | 355 | 265 | 185 |
| 356 | Ultrasound | 21 | 353 | 130 | 245 |
| 357 | Public Health | 13 | 350 | 3726 | 3831 |
| 358 | optical devices | 17 | 349 | 102 | 113 |
| 359 | Neurobiology | 21 | 348 | 802 | 1436 |
| 360 | Nanobiotechnology | 8 | 346 | 177 | 232 |
| 360 | Plant physiology | 17 | 346 | 1071 | 1554 |
| 362 | Quantum Chemistry | 30 | 345 | 173 | 278 |
| 363 | Mechatronics | 15 | 344 | 217 | 193 |
| 364 | Diabetes mellitus | 7 | 340 | 1753 | 1777 |
| 365 | Marine Biology | 4 | 338 | 2656 | 1635 |
| 366 | Epidemiology | 13 | 336 | 2356 | 2525 |
| 367 | Agricultural Chemistry | 14 | 335 | 1241 | 1422 |
| 367 | Neurons | 2 | 335 | 952 | 1036 |
| 367 | Development | 4 | 335 | 805 | 519 |
| 370 | Growth | 7 | 334 | 941 | 1066 |
| 371 | Aging | 11 | 333 | 1922 | 1718 |
| 372 | Synchrotron Radiation | 28 | 332 | 70 | 132 |
| 373 | Biomechanics | 14 | 331 | 663 | 790 |
| 374 | Genetic regulation | 14 | 330 | 546 | 966 |
| 375 | Radiography | 4 | 325 | 642 | 370 |
| 376 | Molecular evolution | 15 | 324 | 708 | 1116 |
| 377 | marketing | 7 | 323 | 1408 | 1099 |
| 378 | Computational Chemistry | 15 | 319 | 232 | 412 |
| 378 | infection | 14 | 319 | 869 | 1184 |
| 380 | coal | 12 | 318 | 853 | 1161 |
| 381 | cosmic rays | 52 | 307 | 38 | 178 |
| 382 | Marine Pollution | 2 | 305 | 1748 | 877 |
| 383 | Genetic Toxicology | 5 | 304 | 369 | 328 |
| 384 | food technology | 7 | 303 | 2050 | 1734 |
| 385 | Microprocessors | 15 | 302 | 141 | 96 |
| 386 | Microfabrication | 14 | 301 | 106 | 130 |
| 386 | Teaching | 12 | 301 | 886 | 752 |
| 388 | Computer Architecture | 14 | 299 | 146 | 121 |
| 389 | Bioenergetics | 16 | 298 | 338 | 553 |
| 390 | Phonetics | 4 | 297 | 284 | 138 |
| 390 | supercritical fluids | 16 | 297 | 111 | 209 |
| 392 | East Asia | 28 | 296 | 75 | 95 |
| 393 | world | 4 | 294 | 710 | 618 |
| 394 | Food | 7 | 293 | 2578 | 2184 |
| 395 | Environmental pollutants | 13 | 292 | 1209 | 1612 |
| 396 | Ferroelectricity | 39 | 291 | 145 | 274 |
| 397 | nuclear magnetic resonance | 41 | 288 | 265 | 624 |
| 398 | Nutrition | 9 | 284 | 3306 | 3286 |
| 398 | Molecular Imaging | 6 | 284 | 570 | 541 |
| 400 | Expert Systems | 11 | 282 | 19 | 29 |
| 400 | Energy metabolism | 14 | 282 | 304 | 466 |
| 400 | Economic Assistance | 3 | 282 | 839 | 535 |
| 403 | Environmental Toxicology | 16 | 279 | 1094 | 1982 |
| 404 | Analytical Biochemistry | 19 | 277 | 630 | 1082 |
| 405 | Detectors | 41 | 273 | 99 | 214 |
| 406 | Quantum electronics | 12 | 272 | 470 | 288 |
| 406 | Decision making | 14 | 272 | 636 | 814 |
| 408 | Social Sciences | 30 | 271 | 1228 | 1569 |
| 408 | cell membrane | 12 | 271 | 319 | 458 |
| 410 | Adhesion | 5 | 270 | 522 | 221 |
| 410 | adhesives | 5 | 270 | 570 | 224 |
| 412 | Mobile Computing | 24 | 268 | 224 | 434 |
| 413 | Environmental Policy | 13 | 263 | 1769 | 2841 |
| 413 | probabilities | 24 | 263 | 507 | 532 |
| 415 | Functional Analysis | 32 | 262 | 322 | 633 |
| 416 | Human-Computer Interaction | 30 | 261 | 269 | 847 |
| 417 | Nanophotonics | 7 | 259 | 179 | 192 |
| 418 | atmosphere | 1 | 258 | 1525 | 495 |
| 419 | Thin Films | 14 | 255 | 165 | 185 |
| 420 | Electronic Packaging | 27 | 254 | 16 | 44 |
| 420 | Metallography | 11 | 254 | 399 | 445 |
| 422 | Plant genetic engineering | 6 | 252 | 767 | 753 |
| 423 | Aerosols | 10 | 250 | 328 | 336 |
| 423 | Sonochemistry | 8 | 250 | 284 | 533 |
| 423 | thinking | 5 | 250 | 165 | 98 |
| 423 | Creativity | 5 | 250 | 148 | 103 |
| 427 | Imaging systems | 22 | 247 | 130 | 220 |
| 428 | Developmental Disabilities | 7 | 246 | 705 | 750 |
| 429 | Biomolecules | 8 | 245 | 225 | 377 |
| 429 | Informatics | 14 | 245 | 329 | 576 |
| 431 | Oncology | 11 | 244 | 1394 | 2449 |
| 432 | Nonlinear functional analysis | 28 | 242 | 276 | 596 |
| 433 | Sociology | 25 | 237 | 1046 | 1903 |
| 434 | Endocrinology | 12 | 235 | 2069 | 2857 |
| 434 | Child Development | 7 | 235 | 1500 | 1474 |
| 434 | internet | 13 | 235 | 596 | 676 |
| 437 | Pharmacy | 5 | 234 | 2010 | 1529 |
| 438 | Discourse Analysis | 3 | 233 | 405 | 184 |
| 438 | Geochemistry | 3 | 233 | 2247 | 1600 |
| 438 | Synthetic biology | 8 | 233 | 181 | 183 |
| 441 | Speech | 15 | 232 | 364 | 610 |
| 442 | Phytotherapy | 14 | 231 | 252 | 486 |
| 443 | energy resources | 7 | 230 | 972 | 1471 |
| 444 | Child | 6 | 226 | 2200 | 1699 |
| 444 | mutation | 2 | 226 | 944 | 555 |
| 444 | cell interaction | 13 | 226 | 538 | 979 |
| 447 | Total Quality Management | 7 | 224 | 245 | 200 |
| 448 | Public Policy | 11 | 223 | 947 | 1199 |
| 449 | Embedded Systems | 22 | 221 | 15 | 74 |
| 449 | Human Resources | 5 | 221 | 319 | 338 |
| 449 | Meteorites | 2 | 221 | 1225 | 947 |
| 452 | occupational diseases | 4 | 219 | 862 | 644 |
| 453 | economic policy | 23 | 218 | 922 | 1201 |
| 454 | Obstetrics | 16 | 216 | 1328 | 1908 |
| 455 | Biological Systems | 12 | 215 | 215 | 363 |
| 455 | Strategic planning | 9 | 215 | 374 | 469 |
| 457 | cloning | 3 | 213 | 813 | 810 |
| 458 | Radio | 11 | 204 | 428 | 385 |
| 458 | Planets | 4 | 204 | 1604 | 1540 |
| 460 | nuclear magnetic resonance spectroscopy | 35 | 203 | 110 | 440 |
| 461 | Psychiatry | 14 | 201 | 2605 | 3805 |
| 462 | Food additives | 1 | 198 | 2241 | 1038 |
| 462 | hydrocolloids | 1 | 198 | 1157 | 682 |
| 464 | Sound | 15 | 197 | 304 | 279 |
| 465 | Social Psychology | 12 | 195 | 1126 | 1615 |
| 466 | Animal Behavior | 10 | 192 | 1189 | 1769 |
| 466 | Therapeutics | 5 | 192 | 1730 | 1749 |
| 466 | Radio frequency | 10 | 192 | 137 | 164 |
| 469 | Microscopy | 20 | 191 | 571 | 930 |
| 470 | Project Management | 2 | 189 | 378 | 333 |
| 470 | infrared radiation | 23 | 189 | 100 | 223 |
| 470 | Bacterial infections | 2 | 189 | 1369 | 1042 |
| 473 | Computer Literacy | 5 | 187 | 138 | 124 |
| 473 | Oxidation-reduction | 4 | 187 | 809 | 1019 |
| 475 | Mechanics | 28 | 184 | 330 | 730 |
| 475 | particles | 12 | 184 | 378 | 609 |
| 477 | Diagnostic microbiology | 3 | 182 | 1647 | 1759 |
| 478 | histological techniques | 3 | 181 | 922 | 750 |
| 479 | Biogeochemistry | 1 | 178 | 1996 | 1190 |
| 480 | Neurolinguistics | 9 | 177 | 223 | 417 |
| 480 | Smart Materials | 11 | 177 | 467 | 608 |
| 482 | Digital electronics | 18 | 176 | 52 | 76 |
| 483 | Sales management | 1 | 175 | 402 | 292 |
| 483 | selling | 1 | 175 | 402 | 292 |
| 485 | Advertising | 1 | 173 | 673 | 317 |
| 486 | DNS | 10 | 172 | 205 | 377 |
| 486 | DNA | 10 | 172 | 248 | 373 |
| 488 | Calorimetry | 8 | 169 | 758 | 667 |
| 488 | Thermal analysis | 8 | 169 | 758 | 667 |
| 490 | Chromosomes | 5 | 168 | 899 | 960 |
| 491 | Adolescent | 5 | 167 | 1985 | 1631 |
| 492 | Radiation Protection | 32 | 166 | 93 | 230 |
| 492 | radiation monitoring | 32 | 166 | 77 | 219 |
| 494 | Tissue Engineering | 5 | 165 | 238 | 239 |
| 494 | clay | 4 | 165 | 772 | 802 |
| 496 | Mesoporous materials | 3 | 164 | 104 | 88 |
| 496 | Breeding | 7 | 164 | 924 | 1068 |
| 498 | Distributed Databases | 9 | 163 | 49 | 74 |
| 499 | Oxidative stress | 10 | 162 | 588 | 1334 |
| 499 | Chemical industry | 17 | 162 | 504 | 829 |
| 501 | Ultrasonic Imaging | 11 | 161 | 217 | 378 |
| 501 | free radicals | 7 | 161 | 1102 | 1622 |
| 503 | Data Mining | 17 | 158 | 555 | 1583 |
| 503 | Microbial Biotechnology | 2 | 158 | 1548 | 808 |
| 505 | drug development | 3 | 157 | 1315 | 1629 |
| 506 | Cytogenetics | 6 | 154 | 1398 | 1910 |
| 507 | Structural dynamics | 9 | 153 | 683 | 1007 |
| 507 | Algorithms | 11 | 153 | 314 | 411 |
| 507 | X-ray crystallography | 34 | 153 | 105 | 385 |
| 510 | Pharmacogenetics | 3 | 152 | 1319 | 1118 |
| 510 | Solar power plants | 8 | 152 | 99 | 207 |
| 510 | Chemical kinetics | 12 | 152 | 307 | 307 |
| 510 | Photovoltaic Cells | 8 | 152 | 99 | 207 |
| 514 | Antioxidants | 1 | 151 | 1494 | 999 |
| 514 | gene transfer | 5 | 151 | 185 | 217 |
| 514 | genetic transformation | 5 | 151 | 185 | 217 |
| 517 | Mental illness | 6 | 148 | 1800 | 2307 |
| 518 | Quality Management | 9 | 147 | 57 | 63 |
| 518 | Granular materials | 8 | 147 | 275 | 439 |
| 518 | Capital market | 11 | 147 | 122 | 332 |
| 521 | Liquid Crystals | 18 | 146 | 344 | 426 |
| 521 | Hematopoietic stem cell transplantation | 5 | 146 | 348 | 499 |
| 521 | natural products | 5 | 146 | 1631 | 1348 |
| 524 | Experimental Design | 10 | 145 | 120 | 255 |
| 524 | Comparative Physiology | 5 | 145 | 732 | 735 |
| 524 | Plant Biotechnology | 2 | 145 | 1195 | 783 |
| 524 | Mental Disorders | 8 | 145 | 2420 | 3207 |
| 528 | Electromagnetism | 13 | 144 | 326 | 451 |
| 529 | Mutagenesis | 2 | 143 | 739 | 283 |
| 530 | Molecular Genetics | 4 | 142 | 1913 | 2123 |
| 530 | Entrepreneurship | 4 | 142 | 1011 | 1016 |
| 530 | visualization | 29 | 142 | 413 | 631 |
| 533 | Molecules | 16 | 141 | 799 | 1151 |
| 533 | Autism | 10 | 141 | 402 | 772 |
| 535 | Pharmacognosy | 3 | 140 | 2159 | 1958 |
| 535 | international trade | 7 | 140 | 447 | 504 |
| 537 | Gerontology | 11 | 138 | 1211 | 1486 |
| 538 | Hematology | 4 | 137 | 3066 | 2913 |
| 538 | Political Psychology | 2 | 137 | 455 | 345 |
| 538 | Speech Perception | 8 | 137 | 100 | 204 |
| 538 | auditory perception | 8 | 137 | 148 | 262 |
| 538 | Rheology | 4 | 137 | 579 | 471 |
| 538 | Oral communication | 8 | 137 | 204 | 281 |
| 538 | brain mapping | 1 | 137 | 1215 | 828 |
| 545 | pollutants | 9 | 136 | 1264 | 2112 |
| 546 | Kinetics | 8 | 135 | 265 | 329 |
| 546 | Superconductors | 22 | 135 | 221 | 477 |
| 548 | Tribology | 10 | 134 | 725 | 1018 |
| 549 | Statistical Mechanics | 28 | 133 | 302 | 674 |
| 549 | Insect biochemistry | 7 | 133 | 276 | 468 |
| 551 | Software Engineering | 11 | 132 | 569 | 677 |
| 551 | Molecular Microbiology | 5 | 132 | 773 | 1185 |
| 551 | World Wide Web | 3 | 132 | 487 | 200 |
| 554 | Phylogeny | 3 | 131 | 1057 | 1086 |
| 554 | Genes | 6 | 131 | 919 | 1080 |
| 556 | health planning | 12 | 130 | 1156 | 1839 |
| 557 | Applied Linguistics | 1 | 128 | 1201 | 358 |
| 558 | Intellectual Property | 11 | 127 | 38 | 26 |
| 558 | Fuzzy systems | 13 | 127 | 745 | 1071 |
| 560 | rehabilitation | 12 | 125 | 1223 | 2159 |
| 561 | Sustainable Development | 5 | 124 | 1954 | 2212 |
| 561 | glycoproteins | 6 | 124 | 342 | 537 |
| 561 | Glycoconjugates | 6 | 124 | 342 | 537 |
| 561 | Radiation dosimetry | 30 | 124 | 56 | 206 |
| 561 | glycolipids | 6 | 124 | 342 | 537 |
| 566 | Mycology | 2 | 123 | 2309 | 1653 |
| 567 | Structural design | 9 | 122 | 483 | 708 |
| 567 | Databases | 7 | 122 | 264 | 355 |
| 569 | adolescence | 2 | 121 | 1260 | 859 |
| 569 | patents | 10 | 121 | 17 | 57 |
| 571 | Hormones | 3 | 118 | 1592 | 1529 |
| 571 | Bacteria | 2 | 118 | 564 | 575 |
| 573 | Gene expression regulation | 11 | 117 | 529 | 1204 |
| 573 | Telecommunication | 30 | 117 | 655 | 1683 |
| 573 | Carbohydrates | 5 | 117 | 372 | 536 |
| 576 | Geriatrics | 11 | 116 | 2015 | 2915 |
| 576 | Plant Genetics | 5 | 116 | 621 | 950 |
| 576 | Optical Communications | 9 | 116 | 330 | 439 |
| 576 | plasticity | 2 | 116 | 459 | 496 |
| 580 | Psychopharmacology | 5 | 115 | 1503 | 1886 |
| 580 | drugs | 3 | 115 | 2765 | 2303 |
| 582 | Superconductivity | 14 | 113 | 207 | 393 |
| 583 | Fermentation | 4 | 112 | 245 | 204 |
| 583 | Investment analysis | 5 | 112 | 648 | 727 |
| 585 | Energy Harvesting | 4 | 111 | 451 | 762 |
| 585 | Protein engineering | 6 | 111 | 161 | 282 |
| 585 | molecular design | 6 | 111 | 185 | 286 |
| 588 | Orthopedics | 3 | 110 | 1944 | 1647 |
| 588 | Immunotherapy | 12 | 110 | 1044 | 2369 |
| 588 | biofuels | 3 | 110 | 321 | 544 |
| 591 | Computational Linguistics | 11 | 107 | 168 | 264 |
| 591 | energy development | 1 | 107 | 1975 | 1047 |
| 593 | Transplantation | 1 | 106 | 2189 | 1571 |
| 594 | Fractals | 3 | 105 | 1495 | 1112 |
| 594 | infrared technology | 14 | 105 | 52 | 83 |
| 596 | Medicinal plants | 3 | 104 | 1698 | 1799 |
| 596 | Socialization | 1 | 104 | 933 | 619 |
| 596 | Obesity | 3 | 104 | 2479 | 2576 |
| 596 | Solitons | 2 | 104 | 1580 | 1020 |
| 596 | Chaos | 2 | 104 | 1580 | 1020 |
| 596 | Luminescence | 5 | 104 | 1244 | 1154 |
| 596 | role | 1 | 104 | 773 | 515 |
| 603 | Food Microbiology | 1 | 103 | 2387 | 1763 |
| 603 | Cellular senescence | 6 | 103 | 503 | 1072 |
| 603 | Tourism | 4 | 103 | 1594 | 1741 |
| 603 | Documentation | 8 | 103 | 171 | 273 |
| 607 | Telecommunications | 7 | 102 | 492 | 548 |
| 607 | Queuing Theory | 2 | 102 | 226 | 125 |
| 609 | Sustainable urban development | 3 | 101 | 38 | 24 |
| 609 | Drug design | 5 | 101 | 1614 | 2030 |
| 609 | Smart Cities | 3 | 101 | 8 | 5 |
| 609 | mycoses | 1 | 101 | 1732 | 1358 |
| 613 | Humanities | 20 | 100 | 584 | 1068 |
| 614 | Comparative Education | 3 | 99 | 279 | 119 |
| 614 | Oxidation | 2 | 99 | 250 | 156 |
| 616 | Algebra | 14 | 98 | 861 | 881 |
| 616 | Calculus of Variations | 8 | 98 | 328 | 368 |
| 618 | Herbal medicine | 2 | 97 | 1027 | 990 |
| 619 | Food service management | 4 | 96 | 323 | 597 |
| 620 | Speech Disorders | 7 | 95 | 753 | 1033 |
| 620 | Oligosaccharide | 4 | 95 | 289 | 474 |
| 620 | synthesis | 11 | 95 | 540 | 794 |
| 623 | Integrated Circuits | 50 | 94 | 38 | 308 |
| 624 | Bioremediation | 3 | 93 | 987 | 1074 |
| 624 | Spintronics | 5 | 93 | 22 | 24 |
| 624 | Optoelectronic devices | 8 | 93 | 500 | 527 |
| 624 | counseling | 9 | 93 | 803 | 1295 |
| 628 | Electron Microscopy | 6 | 92 | 299 | 365 |
| 628 | Methodology | 7 | 92 | 254 | 334 |
| 630 | Multivariate Analysis | 5 | 91 | 410 | 460 |
| 630 | Business Ethics | 2 | 91 | 1228 | 1347 |
| 630 | Porous materials | 5 | 91 | 626 | 621 |
| 630 | Reading | 9 | 91 | 314 | 554 |
| 630 | biochemical markers | 6 | 91 | 585 | 850 |
| 630 | Insects | 5 | 91 | 1392 | 1396 |
| 636 | Occupational Health | 12 | 90 | 476 | 1017 |
| 636 | Ocean Engineering | 5 | 90 | 1483 | 1826 |
| 636 | Learning | 9 | 90 | 823 | 1471 |
| 639 | Neuropsychiatry | 2 | 89 | 1296 | 1125 |
| 639 | older people | 6 | 89 | 1391 | 1329 |
| 641 | Building Materials | 1 | 88 | 2751 | 2234 |
| 641 | Transportation | 8 | 88 | 1163 | 1740 |
| 641 | radiative transfer | 7 | 88 | 457 | 574 |
| 641 | Parasitology | 1 | 88 | 4105 | 2607 |
| 641 | Parasitic Diseases | 1 | 88 | 3789 | 2574 |
| 646 | Artificial Organs | 6 | 86 | 543 | 620 |
| 646 | phase diagrams | 7 | 86 | 108 | 137 |
| 646 | drug toxicity | 1 | 86 | 1078 | 590 |
| 649 | Magnetic Resonance Spectroscopy | 10 | 85 | 786 | 1187 |
| 650 | Substance Abuse | 12 | 84 | 761 | 1585 |
| 651 | Nonprofit organizations | 1 | 83 | 661 | 343 |
| 651 | color | 4 | 83 | 231 | 215 |
| 653 | Forest Ecology | 2 | 82 | 1463 | 1369 |
| 653 | Sleep Disorders | 9 | 82 | 1162 | 1900 |
| 653 | Decision Support Systems | 6 | 82 | 136 | 228 |
| 653 | Vaccination | 1 | 82 | 605 | 351 |
| 653 | Forest Management | 2 | 82 | 1432 | 1301 |
| 653 | Sleep | 9 | 82 | 1176 | 1911 |
| 659 | Neurotransmitters | 2 | 81 | 825 | 577 |
| 659 | Fiber Optics | 12 | 81 | 217 | 377 |
| 659 | Cardiovascular system | 1 | 81 | 2814 | 2578 |
| 662 | Structural Engineering | 4 | 80 | 1667 | 1677 |
| 662 | Earthquake Engineering | 4 | 80 | 1240 | 1473 |
| 662 | Microstructure | 10 | 80 | 406 | 740 |
| 665 | Fluorescence spectroscopy | 3 | 79 | 308 | 298 |
| 666 | Natural resources | 2 | 76 | 1096 | 1036 |
| 667 | Diagnosis | 3 | 74 | 751 | 696 |
| 667 | Antibacterial agents | 4 | 74 | 703 | 1145 |
| 667 | disease susceptibility | 3 | 74 | 391 | 436 |
| 667 | Reproduction | 6 | 74 | 2071 | 2878 |
| 667 | symptoms | 3 | 74 | 391 | 436 |
| 672 | Endocrine glands | 1 | 73 | 614 | 656 |
| 672 | Elderly | 5 | 73 | 1197 | 912 |
| 674 | Computer Science | 16 | 72 | 940 | 2096 |
| 675 | industrial hygiene | 12 | 71 | 481 | 977 |
| 675 | Sports | 7 | 71 | 1526 | 1972 |
| 675 | Astrocytes | 1 | 71 | 929 | 961 |
| 675 | environmental exposure | 5 | 71 | 1774 | 2791 |
| 675 | Tropical Medicine | 3 | 71 | 2399 | 2267 |
| 675 | language | 6 | 71 | 589 | 932 |
| 681 | Stochastic Processes | 7 | 70 | 643 | 885 |
| 681 | Sports Medicine | 6 | 70 | 2163 | 2588 |
| 681 | toxicity testing | 2 | 70 | 1124 | 1054 |
| 681 | educational planning | 4 | 70 | 351 | 508 |
| 681 | violence | 6 | 70 | 702 | 1191 |
| 686 | Adult Education | 4 | 69 | 527 | 453 |
| 686 | Educational Psychology | 11 | 69 | 769 | 1568 |
| 686 | North America | 5 | 69 | 754 | 973 |
| 686 | Solar System | 6 | 69 | 710 | 1025 |
| 690 | Marine invertebrates | 2 | 68 | 371 | 199 |
| 690 | sex crimes | 5 | 68 | 503 | 739 |
| 692 | Hydrology | 5 | 67 | 2401 | 2956 |
| 692 | Learning disabilities | 9 | 67 | 466 | 907 |
| 692 | Quality of life | 5 | 67 | 1387 | 2269 |
| 692 | Microwaves | 13 | 67 | 606 | 868 |
| 696 | Optoelectronics | 15 | 66 | 163 | 413 |
| 696 | Physical fitness | 3 | 66 | 1242 | 1368 |
| 696 | insurance | 3 | 66 | 432 | 390 |
| 699 | International Relations | 1 | 65 | 2206 | 893 |
| 699 | Regional Planning | 6 | 65 | 1293 | 1729 |
| 699 | International security | 1 | 65 | 431 | 380 |
| 699 | Plant breeding | 1 | 65 | 1684 | 1098 |
| 699 | peace | 1 | 65 | 924 | 597 |
| 699 | industrial waste | 7 | 65 | 516 | 1681 |
| 699 | Sun | 5 | 65 | 384 | 496 |
| 699 | conflict management | 1 | 65 | 519 | 386 |
| 699 | eugenics | 1 | 65 | 1305 | 784 |
| 708 | Speech-Language Pathology | 8 | 64 | 115 | 345 |
| 708 | Fuzzy Logic | 4 | 64 | 69 | 110 |
| 708 | Fuzzy Sets | 4 | 64 | 40 | 88 |
| 708 | Infertility | 3 | 64 | 1152 | 1592 |
| 708 | Developmental Immunology | 4 | 64 | 808 | 1187 |
| 708 | cytokines | 6 | 64 | 1056 | 2076 |
| 708 | automatic speech recognition | 8 | 64 | 39 | 215 |
| 708 | radioactive waste | 6 | 64 | 551 | 1690 |
| 708 | Fuzzy algorithms | 4 | 64 | 40 | 88 |
| 708 | Hazardous waste | 6 | 64 | 680 | 1776 |
| 708 | fertility | 3 | 64 | 1249 | 1661 |
| 719 | Geometry | 20 | 63 | 501 | 935 |
| 719 | big data | 3 | 63 | 599 | 657 |
| 719 | data collection | 6 | 63 | 885 | 1835 |
| 722 | Climate change | 2 | 62 | 1519 | 2170 |
| 722 | Water quality | 1 | 62 | 636 | 286 |
| 722 | Eutrophication | 2 | 62 | 1419 | 2109 |
| 722 | Access to Information | 2 | 62 | 241 | 311 |
| 722 | Semigroups | 8 | 62 | 126 | 133 |
| 722 | Information management | 2 | 62 | 114 | 108 |
| 722 | Water chemistry | 1 | 62 | 922 | 417 |
| 722 | Youth | 1 | 62 | 1256 | 918 |
| 722 | Information dissemination | 2 | 62 | 241 | 311 |
| 722 | drug evaluation | 4 | 62 | 1387 | 1863 |
| 722 | Philippines | 4 | 62 | 86 | 105 |
| 733 | Immunopharmacology | 5 | 61 | 902 | 1556 |
| 733 | aerosol | 4 | 61 | 423 | 528 |
| 735 | Urology | 4 | 60 | 1912 | 2459 |
| 735 | Nanomedicine | 4 | 60 | 170 | 480 |
| 735 | ethnicity | 4 | 60 | 661 | 666 |
| 738 | Internet of Things | 9 | 59 | 480 | 875 |
| 738 | Combinatorial optimization | 5 | 59 | 387 | 381 |
| 738 | Adolescent Psychology | 1 | 59 | 1664 | 1137 |
| 738 | analysis | 5 | 59 | 311 | 502 |
| 738 | animals | 6 | 59 | 1072 | 1452 |
| 743 | Actuarial Science | 2 | 58 | 363 | 302 |
| 743 | Schizophrenia | 1 | 58 | 1877 | 1657 |
| 743 | Ubiquitous computing | 18 | 58 | 11 | 115 |
| 743 | organization | 1 | 58 | 1396 | 1125 |
| 747 | Cloud Computing | 2 | 57 | 362 | 337 |
| 747 | Psychometrics | 6 | 57 | 337 | 575 |
| 747 | Forecasting | 6 | 57 | 375 | 742 |
| 747 | Sensor Networks | 4 | 57 | 203 | 267 |
| 747 | city planning | 5 | 57 | 1478 | 1962 |
| 752 | Allergy | 2 | 56 | 1811 | 2193 |
| 752 | Bacterial diseases | 3 | 56 | 278 | 482 |
| 754 | Game Theory | 14 | 55 | 219 | 609 |
| 754 | Fungi | 1 | 55 | 1851 | 1571 |
| 756 | Thermodynamics | 8 | 54 | 810 | 1204 |
| 756 | Veterinary Immunology | 3 | 54 | 424 | 541 |
| 756 | Environmentalism | 1 | 54 | 311 | 288 |
| 756 | Industrial Policy | 4 | 54 | 487 | 693 |
| 756 | wood | 2 | 54 | 660 | 535 |
| 761 | Finite Element Method | 3 | 53 | 324 | 408 |
| 762 | Archaeology | 9 | 52 | 886 | 1501 |
| 762 | Production Planning | 6 | 52 | 139 | 500 |
| 762 | Counseling Psychology | 2 | 52 | 319 | 367 |
| 762 | Immunochemistry | 8 | 52 | 676 | 1505 |
| 762 | Production Control | 6 | 52 | 136 | 498 |
| 762 | software | 6 | 52 | 678 | 1607 |
| 762 | Quantum theory | 11 | 52 | 588 | 1233 |
| 769 | Radiation Oncology | 2 | 51 | 559 | 621 |
| 769 | Clinical Immunology | 6 | 51 | 1142 | 2009 |
| 769 | Crystallization | 20 | 51 | 127 | 550 |
| 769 | Real-time Data Processing | 5 | 51 | 72 | 170 |
| 769 | Digital humanities | 1 | 51 | 252 | 121 |
| 769 | peptides | 7 | 51 | 647 | 1206 |
| 775 | sleep-wake cycle | 4 | 50 | 81 | 106 |
| 776 | Immunopathology | 5 | 49 | 1339 | 2252 |
| 777 | Microbial Ecology | 3 | 48 | 2718 | 4149 |
| 777 | Cryptography | 5 | 48 | 523 | 592 |
| 779 | Cognition | 7 | 47 | 1275 | 2387 |
| 780 | Language Disorders | 5 | 46 | 748 | 1133 |
| 780 | Child welfare | 3 | 46 | 1284 | 1552 |
| 780 | Database Security | 2 | 46 | 130 | 104 |
| 780 | Intelligent Control Systems | 5 | 46 | 991 | 1179 |
| 780 | Graphene | 3 | 46 | 119 | 306 |
| 780 | foreign exchange | 5 | 46 | 274 | 648 |
| 780 | Social work | 3 | 46 | 1692 | 1673 |
| 780 | Australia | 6 | 46 | 1579 | 2509 |
| 788 | Molecular ecology | 2 | 45 | 1552 | 2242 |
| 789 | Plasma chemistry | 6 | 44 | 284 | 628 |
| 789 | Plasma polymerization | 6 | 44 | 177 | 438 |
| 789 | gastrointestinal tract | 4 | 44 | 265 | 796 |
| 792 | Hospitality industry | 1 | 43 | 874 | 678 |
| 792 | water supply | 1 | 43 | 1785 | 1663 |
| 792 | Southern states | 3 | 43 | 341 | 328 |
| 795 | Mental Health | 5 | 42 | 1509 | 2487 |
| 795 | Hydraulic machinery | 8 | 42 | 47 | 130 |
| 795 | amino acids | 4 | 42 | 558 | 1167 |
| 795 | Convergence | 1 | 42 | 123 | 166 |
| 795 | Kidney diseases | 3 | 42 | 1255 | 1649 |
| 800 | Number Theory | 10 | 41 | 488 | 713 |
| 800 | Enzyme inhibitors | 2 | 41 | 581 | 668 |
| 800 | Microcirculation | 1 | 41 | 984 | 888 |
| 800 | Blood vessels | 1 | 41 | 825 | 725 |
| 800 | Longevity | 1 | 41 | 445 | 403 |
| 800 | rejuvenation | 1 | 41 | 331 | 349 |
| 800 | Cell communication | 3 | 41 | 952 | 1617 |
| 800 | Bones | 1 | 41 | 1756 | 1665 |
| 808 | Logistics | 4 | 40 | 484 | 1017 |
| 808 | Industrial Statistics | 2 | 40 | 336 | 224 |
| 808 | Agricultural Ecology | 2 | 40 | 1726 | 2309 |
| 808 | Health Physics | 1 | 40 | 575 | 256 |
| 808 | educational innovations | 5 | 40 | 388 | 790 |
| 813 | Animal breeding | 3 | 39 | 879 | 1181 |
| 813 | Plant tissue culture | 2 | 39 | 1085 | 1317 |
| 813 | Semantic web | 6 | 39 | 71 | 278 |
| 813 | Tunneling | 1 | 39 | 624 | 682 |
| 813 | underground construction | 1 | 39 | 624 | 682 |
| 813 | Plant cell culture | 2 | 39 | 973 | 1301 |
| 813 | Fluorescence | 1 | 39 | 1081 | 636 |
| 820 | Physical Therapy | 5 | 38 | 1174 | 2318 |
| 820 | Language Acquisition | 3 | 38 | 461 | 639 |
| 820 | air quality management | 1 | 38 | 1232 | 1154 |
| 820 | Freeze-Drying | 2 | 38 | 692 | 775 |
| 820 | Hypothermia | 2 | 38 | 692 | 775 |
| 820 | Adaptive control systems | 5 | 38 | 476 | 776 |
| 820 | Freeze Drying | 2 | 38 | 692 | 775 |
| 820 | Vocational guidance | 2 | 38 | 1146 | 1330 |
| 820 | Earth Sciences | 6 | 38 | 2907 | 4467 |
| 820 | Methods | 6 | 38 | 67 | 153 |
| 820 | Muscle contraction | 5 | 38 | 214 | 263 |
| 831 | nuclear astrophysics | 4 | 37 | 518 | 794 |
| 831 | Diet | 2 | 37 | 3098 | 4013 |
| 831 | DNA repair | 2 | 37 | 458 | 627 |
| 831 | Evolution equations | 6 | 37 | 70 | 167 |
| 835 | Intelligent Transportation Systems | 5 | 36 | 707 | 1241 |
| 835 | Dyslexia | 2 | 36 | 215 | 304 |
| 835 | movement | 4 | 36 | 271 | 679 |
| 835 | Peptide | 5 | 36 | 176 | 334 |
| 839 | Geotechnical Engineering | 1 | 35 | 1253 | 1027 |
| 839 | Occupational Therapy | 8 | 35 | 623 | 1236 |
| 839 | Computer Engineering | 9 | 35 | 354 | 1313 |
| 839 | Paleontology | 1 | 35 | 2164 | 1763 |
| 839 | Environmental Geology | 1 | 35 | 2931 | 2695 |
| 839 | Nondestructive testing | 5 | 35 | 608 | 1057 |
| 839 | Drug delivery devices | 2 | 35 | 263 | 541 |
| 839 | Freezing | 2 | 35 | 531 | 509 |
| 839 | Radio waves | 1 | 35 | 722 | 425 |
| 839 | liver | 1 | 35 | 740 | 652 |
| 849 | Information Theory | 12 | 34 | 642 | 1723 |
| 849 | Lung Transplantation | 1 | 34 | 923 | 853 |
| 849 | Heart transplantation | 1 | 34 | 923 | 853 |
| 849 | extraterrestrial environment | 5 | 34 | 527 | 981 |
| 849 | astronomical phenomena | 5 | 34 | 479 | 909 |
| 849 | Plasma devices | 4 | 34 | 306 | 578 |
| 855 | Special Education | 4 | 33 | 737 | 1001 |
| 855 | Sociolinguistics | 4 | 33 | 420 | 609 |
| 855 | diffusion | 1 | 33 | 778 | 187 |
| 855 | Microorganisms | 7 | 33 | 915 | 2605 |
| 859 | Conservation Biology | 1 | 32 | 2188 | 2129 |
| 859 | Disability Studies | 3 | 32 | 335 | 426 |
| 859 | Organizational learning | 4 | 32 | 368 | 680 |
| 859 | Small Business | 1 | 32 | 1343 | 1518 |
| 859 | Yeast | 3 | 32 | 502 | 929 |
| 859 | Classroom Environment | 2 | 32 | 87 | 171 |
| 859 | econometric models | 7 | 32 | 332 | 1121 |
| 866 | Early Childhood Education | 11 | 31 | 271 | 810 |
| 866 | Biodegradation | 2 | 31 | 1108 | 1705 |
| 866 | telemarketing | 1 | 31 | 221 | 265 |
| 866 | plant communities | 2 | 31 | 1471 | 2088 |
| 866 | Educational evaluation | 1 | 31 | 419 | 277 |
| 866 | Fisheries | 4 | 31 | 1668 | 2460 |
| 872 | Food Science | 2 | 30 | 329 | 321 |
| 872 | Health Services Administration | 5 | 30 | 925 | 2153 |
| 872 | Nonparametric Statistics | 5 | 30 | 96 | 225 |
| 872 | Hemostasis | 2 | 30 | 1193 | 1457 |
| 872 | Thrombosis | 2 | 30 | 1588 | 2081 |
| 872 | Green Technology | 2 | 30 | 668 | 895 |
| 872 | Eastern Europe | 3 | 30 | 1198 | 1094 |
| 872 | Chemical processes | 4 | 30 | 618 | 1081 |
| 880 | Political Science | 3 | 29 | 2139 | 1970 |
| 880 | Operator theory | 2 | 29 | 627 | 446 |
| 880 | Medical Anthropology | 1 | 29 | 2456 | 2910 |
| 880 | Neuromuscular diseases | 1 | 29 | 1318 | 1365 |
| 880 | Oligosaccharides | 2 | 29 | 370 | 654 |
| 880 | Invertebrates | 3 | 29 | 741 | 1219 |
| 880 | Social behavior | 4 | 29 | 1170 | 2096 |
| 880 | Muscles | 1 | 29 | 1750 | 1891 |
| 880 | planning | 3 | 29 | 837 | 1301 |
| 889 | Knowledge management | 3 | 28 | 684 | 800 |
| 889 | artificial cells | 5 | 28 | 69 | 157 |
| 891 | Probability | 2 | 27 | 907 | 1208 |
| 891 | Pharmacogenomics | 1 | 27 | 759 | 910 |
| 891 | Technology Assessment | 2 | 27 | 517 | 1097 |
| 891 | blood substitutes | 4 | 27 | 59 | 139 |
| 891 | Radio wave propagation | 4 | 27 | 830 | 1183 |
| 891 | Citizenship | 2 | 27 | 192 | 266 |
| 891 | elasticity | 1 | 27 | 464 | 390 |
| 891 | Performance | 2 | 27 | 385 | 531 |
| 891 | Aquaculture | 1 | 27 | 2514 | 2394 |
| 900 | Nephrology | 2 | 26 | 867 | 1362 |
| 900 | Bilingualism | 1 | 26 | 427 | 457 |
| 900 | sustainability | 4 | 26 | 802 | 1897 |
| 900 | Culture | 7 | 26 | 738 | 1412 |
| 904 | Zoology | 4 | 25 | 2733 | 3773 |
| 904 | Applied Mathematics | 7 | 25 | 639 | 981 |
| 904 | Developmental Genetics | 3 | 25 | 648 | 1345 |
| 904 | School Psychology | 1 | 25 | 839 | 881 |
| 904 | Information Retrieval | 3 | 25 | 556 | 986 |
| 904 | Health Education | 6 | 25 | 1576 | 3562 |
| 904 | technology transfer | 1 | 25 | 640 | 684 |
| 904 | Socioeconomic Factors | 1 | 25 | 1657 | 1798 |
| 904 | Marriage | 1 | 25 | 1028 | 974 |
| 904 | Traditional medicine | 1 | 25 | 650 | 722 |
| 904 | Family | 1 | 25 | 1790 | 1685 |
| 904 | Library Science | 1 | 25 | 2564 | 1419 |
| 904 | Africa | 1 | 25 | 3304 | 2411 |
| 904 | concrete | 2 | 25 | 1394 | 1963 |
| 918 | Systems Theory | 2 | 24 | 988 | 933 |
| 918 | Thermochemistry | 2 | 24 | 702 | 929 |
| 918 | individual differences | 3 | 24 | 290 | 681 |
| 918 | stability | 1 | 24 | 238 | 104 |
| 918 | Hearing | 2 | 24 | 961 | 1228 |
| 923 | Cognitive neuroscience | 5 | 23 | 834 | 1843 |
| 923 | Mobile Commerce | 2 | 23 | 508 | 404 |
| 923 | Cell survival | 1 | 23 | 545 | 718 |
| 923 | Antigens | 2 | 23 | 1349 | 1848 |
| 923 | Intellectual disability | 5 | 23 | 722 | 1582 |
| 923 | Europa | 1 | 23 | 1035 | 986 |
| 923 | molecular chaperones | 1 | 23 | 608 | 724 |
| 930 | Patient education | 3 | 22 | 699 | 1569 |
| 930 | Writing | 3 | 22 | 301 | 595 |
| 930 | Steroids | 1 | 22 | 1879 | 2095 |
| 930 | Nonlinear systems | 4 | 22 | 607 | 1091 |
| 934 | Pharmacokinetics | 2 | 21 | 1455 | 2113 |
| 934 | Human Rights | 2 | 21 | 845 | 989 |
| 934 | Career development | 2 | 21 | 582 | 780 |
| 934 | civil rights | 2 | 21 | 559 | 609 |
| 934 | biobanks | 1 | 21 | 383 | 381 |
| 934 | Political Participation | 1 | 21 | 611 | 592 |
| 934 | Respiratory system | 2 | 21 | 898 | 1508 |
| 934 | Computational Complexity | 4 | 21 | 1124 | 1792 |
| 934 | Groundwater | 2 | 21 | 989 | 1385 |
| 934 | heredity | 1 | 21 | 1450 | 1506 |
| 934 | Respiration | 2 | 21 | 2142 | 3125 |
| 945 | Materials Engineering | 6 | 20 | 504 | 1409 |
| 945 | Animal Biotechnology | 2 | 20 | 246 | 441 |
| 945 | Computational Intelligence | 17 | 20 | 199 | 1831 |
| 945 | Happiness | 4 | 20 | 356 | 1126 |
| 945 | Cardiovascular diseases | 2 | 20 | 2428 | 3046 |
| 945 | Algae | 2 | 20 | 1003 | 1444 |
| 945 | Seaweed | 2 | 20 | 788 | 1252 |
| 945 | Population Dynamics | 4 | 20 | 133 | 456 |
| 953 | Neurogenetics | 2 | 19 | 483 | 852 |
| 953 | Lipid metabolism | 2 | 19 | 653 | 1225 |
| 953 | dietary supplements | 3 | 19 | 933 | 2040 |
| 953 | Action Research | 1 | 19 | 515 | 514 |
| 953 | Lipids | 2 | 19 | 1964 | 3098 |
| 953 | Lipid | 2 | 19 | 654 | 1226 |
| 953 | Central Asia | 2 | 19 | 318 | 535 |
| 953 | carbon monoxide | 1 | 19 | 751 | 1084 |
| 953 | Entomology | 2 | 19 | 3299 | 3639 |
| 953 | Emotions | 2 | 19 | 764 | 1250 |
| 963 | Geology | 1 | 18 | 4795 | 4716 |
| 963 | Teacher Education | 2 | 18 | 71 | 162 |
| 963 | Forensic Pathology | 2 | 18 | 226 | 354 |
| 963 | plasma spraying | 2 | 18 | 388 | 630 |
| 963 | medical education | 4 | 18 | 2082 | 3752 |
| 963 | Women's health | 2 | 18 | 2079 | 2996 |
| 969 | Public Administration | 4 | 17 | 1423 | 2225 |
| 969 | economic forecasting | 2 | 17 | 504 | 830 |
| 969 | Terahertz Technology | 1 | 17 | 147 | 88 |
| 969 | Neuropharmacology | 3 | 17 | 803 | 1404 |
| 969 | Biomarkers | 3 | 17 | 491 | 1186 |
| 969 | Probiotics | 1 | 17 | 497 | 668 |
| 975 | Philosophy | 4 | 16 | 1696 | 1593 |
| 975 | Macroeconomics | 5 | 16 | 304 | 748 |
| 975 | Distance Education | 1 | 16 | 1087 | 1092 |
| 975 | Health Policy | 2 | 16 | 3631 | 5078 |
| 975 | Land Use Planning | 2 | 16 | 523 | 931 |
| 975 | Evolutionary economics | 3 | 16 | 160 | 416 |
| 975 | Cognitive Science | 3 | 16 | 1815 | 3296 |
| 975 | Corporate Social Responsibility | 1 | 16 | 716 | 1091 |
| 975 | Bibliometrics | 1 | 16 | 314 | 462 |
| 975 | environmental auditing | 1 | 16 | 740 | 1106 |
| 975 | Histocompatibility Testing | 1 | 16 | 1204 | 1353 |
| 975 | Formal Languages | 3 | 16 | 260 | 382 |
| 975 | X-rays | 4 | 16 | 696 | 1412 |
| 975 | telecommunication in education | 1 | 16 | 190 | 123 |
| 975 | antibiotics | 2 | 16 | 378 | 790 |
| 975 | freshwater biology | 1 | 16 | 1801 | 2008 |
| 975 | mathematical concepts | 5 | 16 | 306 | 885 |
| 992 | Magnetic Resonance Imaging | 2 | 15 | 810 | 1307 |
| 992 | Risk Management | 1 | 15 | 1651 | 1888 |
| 992 | Animal Physiology | 1 | 15 | 339 | 446 |
| 992 | Natural selection | 1 | 15 | 339 | 446 |
| 992 | Language and Culture | 2 | 15 | 226 | 328 |
| 992 | Behavioral research | 1 | 15 | 1170 | 1293 |
| 992 | microwave communication systems | 3 | 15 | 179 | 365 |
| 992 | Animal genetics | 1 | 15 | 1101 | 1365 |
| 992 | Financial management | 1 | 15 | 1061 | 1428 |