| 1 | Nuclear Physics | 1,145 | 35.5K | 164 | 204 |
| 2 | Chemistry | 590 | 27.6K | 669 | 636 |
| 3 | Physics | 652 | 25.0K | 617 | 897 |
| 4 | Catalysis | 142 | 14.0K | 515 | 253 |
| 5 | Biochemistry | 426 | 13.2K | 800 | 902 |
| 6 | Solid State Physics | 334 | 10.8K | 332 | 310 |
| 7 | Nanotechnology | 217 | 10.0K | 521 | 532 |
| 8 | Condensed Matter | 252 | 9.7K | 363 | 330 |
| 9 | Biology | 131 | 8.3K | 1462 | 1616 |
| 10 | Science | 100 | 7.6K | 1946 | 1764 |
| 11 | Materials | 249 | 7.5K | 676 | 777 |
| 12 | Human genetics | 27 | 7.3K | 758 | 612 |
| 13 | Molecular Biology | 170 | 5.5K | 1131 | 1450 |
| 14 | Chemical Engineering | 106 | 5.3K | 816 | 676 |
| 15 | Bioinorganic chemistry | 139 | 5.0K | 16 | 11 |
| 16 | Nanostructured Materials | 75 | 4.8K | 593 | 375 |
| 17 | Surface Chemistry | 131 | 4.8K | 459 | 431 |
| 18 | Medicine | 84 | 4.8K | 2209 | 1797 |
| 19 | Microelectronics | 246 | 4.4K | 62 | 243 |
| 20 | Natural history | 8 | 4.4K | 2523 | 1447 |
| 21 | Colloids | 116 | 4.4K | 535 | 507 |
| 22 | Immunology | 38 | 3.8K | 1021 | 680 |
| 23 | Nanoelectronics | 229 | 3.7K | 6 | 6 |
| 24 | Semiconductor industry | 227 | 3.7K | 5 | 5 |
| 25 | Pharmaceutical Chemistry | 105 | 3.5K | 540 | 574 |
| 26 | Medical genetics | 35 | 3.2K | 875 | 647 |
| 27 | Biotechnology | 77 | 3.1K | 1146 | 1262 |
| 28 | Materials Science | 115 | 3.1K | 738 | 899 |
| 29 | Biochemical Engineering | 45 | 3.1K | 830 | 820 |
| 30 | Polymers | 121 | 3.0K | 759 | 804 |
| 31 | Biophysics | 129 | 2.9K | 932 | 1125 |
| 32 | Geophysics | 99 | 2.9K | 632 | 694 |
| 33 | Genetics | 31 | 2.8K | 1224 | 918 |
| 34 | Statistical physics | 112 | 2.8K | 540 | 558 |
| 35 | Pollution | 67 | 2.7K | 1144 | 1277 |
| 36 | Water | 37 | 2.7K | 633 | 515 |
| 37 | Biocompatible Materials | 50 | 2.7K | 1016 | 933 |
| 38 | Analytical Chemistry | 94 | 2.6K | 784 | 863 |
| 39 | Research | 58 | 2.4K | 2314 | 1948 |
| 40 | polymerization | 99 | 2.4K | 696 | 743 |
| 41 | Nanoparticles | 19 | 2.4K | 697 | 238 |
| 42 | Solid State Chemistry | 88 | 2.3K | 282 | 237 |
| 43 | Environmental monitoring | 61 | 2.3K | 638 | 745 |
| 44 | Ecology | 65 | 2.2K | 1413 | 1740 |
| 45 | Immune system | 8 | 2.1K | 612 | 346 |
| 45 | Immunity | 9 | 2.1K | 1152 | 681 |
| 47 | Electrochemistry | 79 | 2.1K | 861 | 747 |
| 48 | Clinical Chemistry | 54 | 2.1K | 598 | 567 |
| 49 | environmental pollution | 45 | 2.1K | 1130 | 1038 |
| 50 | Atmospheric Physics | 54 | 2.1K | 320 | 353 |
| 51 | Photochemistry | 55 | 2.0K | 148 | 131 |
| 52 | Photobiology | 50 | 2.0K | 71 | 61 |
| 53 | Astrophysics | 72 | 1.9K | 852 | 1044 |
| 54 | Environmental Health | 47 | 1.9K | 1311 | 1322 |
| 54 | Quantum Gravity | 131 | 1.9K | 392 | 594 |
| 56 | Electronics | 86 | 1.9K | 607 | 649 |
| 57 | Organometallic chemistry | 85 | 1.9K | 88 | 73 |
| 58 | Solar Energy | 35 | 1.8K | 294 | 206 |
| 59 | Telecommunication | 31 | 1.8K | 789 | 508 |
| 60 | Archaeology | 73 | 1.8K | 159 | 138 |
| 61 | Water pollution | 20 | 1.7K | 1103 | 663 |
| 62 | Atmospheric Chemistry | 43 | 1.7K | 204 | 286 |
| 63 | actuators | 59 | 1.7K | 319 | 430 |
| 63 | transducers | 59 | 1.7K | 319 | 430 |
| 65 | Nonlinear Dynamics | 50 | 1.6K | 442 | 403 |
| 66 | nanoscience | 54 | 1.6K | 641 | 883 |
| 67 | Bioengineering | 40 | 1.6K | 1174 | 1392 |
| 68 | Physical Chemistry | 52 | 1.5K | 410 | 518 |
| 69 | Sites | 28 | 1.5K | 99 | 95 |
| 70 | Biomedical Engineering | 57 | 1.4K | 1105 | 1337 |
| 71 | Zeolites | 38 | 1.4K | 88 | 105 |
| 72 | Nuclear Medicine | 44 | 1.3K | 181 | 206 |
| 73 | Optical materials | 42 | 1.3K | 706 | 826 |
| 74 | Nuclear Fusion | 48 | 1.3K | 148 | 120 |
| 75 | Semiconductors | 96 | 1.3K | 160 | 232 |
| 76 | miniaturization | 21 | 1.3K | 658 | 609 |
| 77 | Bioorganic chemistry | 52 | 1.3K | 590 | 746 |
| 78 | Radiobiology | 57 | 1.3K | 260 | 373 |
| 79 | Spectrum analysis | 49 | 1.3K | 1175 | 1274 |
| 80 | Pharmacology | 36 | 1.2K | 1769 | 1703 |
| 81 | Cytology | 36 | 1.2K | 1375 | 1782 |
| 82 | Diagnostic Imaging | 27 | 1.2K | 564 | 451 |
| 83 | Cancer | 25 | 1.2K | 1336 | 1307 |
| 84 | Entomology | 64 | 1.2K | 358 | 386 |
| 85 | Organic Chemistry | 51 | 1.2K | 803 | 901 |
| 86 | Radiology | 45 | 1.1K | 272 | 199 |
| 87 | Radiation | 63 | 1.1K | 263 | 337 |
| 88 | Microbiology | 43 | 1.1K | 2015 | 2574 |
| 89 | Europe | 23 | 1.0K | 1078 | 664 |
| 90 | Insects | 33 | 1.0K | 284 | 263 |
| 91 | Industrial Safety | 22 | 1.0K | 252 | 156 |
| 92 | Radioisotopes | 69 | 989 | 79 | 95 |
| 93 | Renewable Energy Sources | 24 | 968 | 821 | 1187 |
| 94 | Marine Biology | 20 | 951 | 1020 | 773 |
| 95 | Nuclear Engineering | 100 | 949 | 208 | 292 |
| 96 | Molecular Imaging | 16 | 948 | 249 | 204 |
| 97 | Composite Materials | 29 | 934 | 871 | 976 |
| 98 | Environmental Chemistry | 15 | 931 | 871 | 785 |
| 99 | cell membrane | 23 | 930 | 141 | 156 |
| 100 | Bioenergetics | 22 | 894 | 190 | 204 |
| 101 | Energy metabolism | 21 | 890 | 160 | 178 |
| 102 | Environmental Engineering | 28 | 883 | 1165 | 1311 |
| 103 | Photonics | 19 | 877 | 836 | 732 |
| 104 | Cell Biology | 24 | 846 | 1615 | 2109 |
| 105 | Membranes | 35 | 823 | 426 | 702 |
| 106 | Optics | 87 | 822 | 935 | 1270 |
| 107 | Environment | 28 | 811 | 1727 | 2544 |
| 108 | Biosensors | 23 | 804 | 348 | 530 |
| 109 | Artificial Intelligence | 35 | 797 | 1066 | 1243 |
| 110 | Immunotherapy | 7 | 784 | 1386 | 819 |
| 111 | Carbon | 23 | 773 | 369 | 561 |
| 112 | Insect biochemistry | 23 | 771 | 82 | 102 |
| 113 | Industrial Engineering | 19 | 755 | 611 | 506 |
| 114 | Bioelectronics | 22 | 752 | 276 | 493 |
| 115 | fuel cells | 14 | 737 | 596 | 574 |
| 116 | Heat Exchangers | 6 | 728 | 907 | 367 |
| 117 | Energy Conversion | 11 | 718 | 678 | 707 |
| 118 | Toxicology | 27 | 714 | 1707 | 1934 |
| 119 | computer networks | 45 | 710 | 488 | 767 |
| 120 | Wireless Communication Systems | 27 | 702 | 776 | 714 |
| 121 | Mathematical Physics | 61 | 694 | 532 | 784 |
| 122 | Meteorology | 29 | 684 | 668 | 995 |
| 123 | environmental protection | 20 | 682 | 1326 | 1343 |
| 124 | Pathology | 6 | 667 | 1659 | 962 |
| 125 | Clinical Immunology | 8 | 666 | 720 | 374 |
| 125 | Immunopathology | 8 | 666 | 820 | 483 |
| 127 | Human-Computer Interaction | 5 | 637 | 1207 | 412 |
| 128 | Radiochemistry | 97 | 635 | 63 | 150 |
| 129 | Aerosols | 31 | 629 | 107 | 159 |
| 130 | pollutants | 21 | 625 | 593 | 732 |
| 130 | Environmental pollutants | 21 | 625 | 727 | 854 |
| 132 | Technology | 36 | 623 | 1094 | 1368 |
| 133 | Nuclear Chemistry | 90 | 617 | 61 | 200 |
| 134 | Oceanography | 8 | 608 | 1093 | 698 |
| 135 | Image Processing | 16 | 596 | 1005 | 915 |
| 136 | Ceramics | 12 | 579 | 747 | 450 |
| 136 | Glass | 12 | 579 | 541 | 401 |
| 136 | pottery | 12 | 579 | 524 | 396 |
| 139 | Robotics | 5 | 568 | 1427 | 577 |
| 140 | Atomic spectroscopy | 29 | 558 | 220 | 282 |
| 141 | Oncology | 13 | 550 | 1116 | 1535 |
| 141 | Medical Oncology | 9 | 550 | 1110 | 895 |
| 143 | Geochemistry | 21 | 537 | 805 | 935 |
| 144 | Light | 7 | 532 | 604 | 601 |
| 145 | Signal Processing | 21 | 520 | 1046 | 1161 |
| 146 | Liquid Crystals | 35 | 515 | 172 | 112 |
| 147 | Computational Biology | 9 | 511 | 1537 | 1157 |
| 147 | Radiation Protection | 32 | 511 | 80 | 57 |
| 149 | Genetic engineering | 10 | 510 | 1239 | 1085 |
| 150 | sanitation | 9 | 508 | 918 | 1028 |
| 151 | Molecules | 30 | 505 | 379 | 483 |
| 152 | genome | 3 | 500 | 1637 | 992 |
| 153 | Marine Pollution | 9 | 494 | 674 | 534 |
| 154 | Plasma chemistry | 14 | 490 | 104 | 78 |
| 155 | Bioinformatics | 5 | 486 | 1754 | 982 |
| 155 | nucleic acids | 9 | 486 | 1064 | 1113 |
| 157 | atmospheric models | 9 | 483 | 373 | 344 |
| 158 | Astronomy | 11 | 482 | 1686 | 1510 |
| 159 | Combinatorial chemistry | 6 | 481 | 537 | 400 |
| 160 | Particle Physics | 5 | 480 | 135 | 87 |
| 160 | Elementary particles | 5 | 480 | 94 | 82 |
| 162 | United Kingdom | 11 | 470 | 786 | 750 |
| 162 | aerosol | 24 | 470 | 77 | 122 |
| 164 | Neurology | 17 | 465 | 2469 | 2847 |
| 164 | Ceramic materials | 23 | 465 | 346 | 460 |
| 166 | Transplantation | 1 | 462 | 1648 | 637 |
| 167 | Nuclear Energy | 39 | 453 | 242 | 298 |
| 168 | free radicals | 12 | 451 | 692 | 849 |
| 169 | Molecular Pharmacology | 10 | 445 | 361 | 395 |
| 170 | Telecommunication Systems | 37 | 441 | 248 | 427 |
| 171 | mass transfer | 9 | 426 | 1034 | 780 |
| 172 | Plasma polymerization | 12 | 425 | 70 | 65 |
| 173 | X-ray spectroscopy | 27 | 416 | 17 | 19 |
| 174 | cosmic rays | 20 | 398 | 113 | 113 |
| 174 | concrete | 10 | 398 | 472 | 561 |
| 176 | Surface-Active Agents | 17 | 397 | 286 | 496 |
| 176 | Surface properties | 17 | 397 | 315 | 547 |
| 178 | atmosphere | 8 | 394 | 426 | 299 |
| 179 | Computer Vision | 7 | 389 | 761 | 648 |
| 180 | Fluid Mechanics | 10 | 386 | 867 | 651 |
| 181 | clay | 14 | 385 | 216 | 347 |
| 182 | radiation monitoring | 17 | 381 | 144 | 76 |
| 183 | Nanostructures | 17 | 377 | 729 | 1085 |
| 184 | Genomics | 11 | 375 | 1844 | 1804 |
| 185 | Porous materials | 16 | 372 | 152 | 149 |
| 186 | air quality management | 12 | 364 | 147 | 183 |
| 187 | Radiation dosimetry | 16 | 363 | 118 | 43 |
| 188 | Planets | 12 | 357 | 802 | 985 |
| 189 | solar cells | 8 | 355 | 521 | 524 |
| 190 | Virtual reality | 2 | 354 | 538 | 122 |
| 191 | solar power | 7 | 353 | 528 | 476 |
| 191 | mutagens | 6 | 353 | 589 | 545 |
| 193 | Environmental Policy | 17 | 352 | 1332 | 2144 |
| 194 | Database Management | 13 | 351 | 333 | 361 |
| 195 | Cement | 8 | 348 | 317 | 404 |
| 196 | micromechanics | 13 | 344 | 214 | 238 |
| 197 | Energy Storage | 10 | 342 | 698 | 674 |
| 198 | Information Retrieval | 6 | 341 | 277 | 210 |
| 198 | Bacteriology | 8 | 341 | 1197 | 1298 |
| 200 | Neurochemistry | 13 | 336 | 1224 | 1423 |
| 201 | nuclear power | 25 | 334 | 138 | 116 |
| 202 | proteins | 22 | 331 | 722 | 1101 |
| 203 | cell physiology | 6 | 328 | 1143 | 1092 |
| 204 | Engineering | 33 | 327 | 1273 | 1953 |
| 205 | Molecular cloning | 8 | 326 | 921 | 728 |
| 205 | Genetic recombination | 8 | 326 | 903 | 721 |
| 205 | Recombinant DNA | 8 | 326 | 987 | 788 |
| 208 | Molecular structure | 8 | 317 | 1569 | 1256 |
| 209 | Energy Policy | 7 | 316 | 1872 | 1889 |
| 210 | Botany | 11 | 314 | 2221 | 2337 |
| 210 | Food Microbiology | 3 | 314 | 1264 | 838 |
| 212 | Magnetic Materials | 16 | 312 | 713 | 841 |
| 212 | Aging | 13 | 312 | 1368 | 1446 |
| 214 | Chemical Ecology | 9 | 308 | 239 | 278 |
| 214 | pheromones | 9 | 308 | 206 | 263 |
| 216 | Physiology | 13 | 304 | 2210 | 2596 |
| 217 | digital preservation | 6 | 301 | 19 | 13 |
| 218 | United States | 6 | 299 | 4063 | 2550 |
| 219 | pigments | 2 | 297 | 1060 | 339 |
| 220 | cell interaction | 7 | 295 | 668 | 662 |
| 221 | Nanochemistry | 13 | 294 | 440 | 455 |
| 222 | Industrial Microbiology | 8 | 292 | 1231 | 1315 |
| 222 | Electrochemical Analysis | 9 | 292 | 905 | 761 |
| 224 | Building Materials | 8 | 290 | 1068 | 1184 |
| 224 | Cytogenetics | 7 | 290 | 1001 | 1150 |
| 226 | Data Mining | 10 | 286 | 800 | 960 |
| 227 | Cosmology | 7 | 285 | 373 | 291 |
| 228 | Chromosomes | 12 | 283 | 434 | 607 |
| 229 | biopolymers | 9 | 282 | 686 | 681 |
| 230 | Neural circuitry | 12 | 278 | 972 | 1130 |
| 230 | Drug delivery systems | 9 | 278 | 918 | 1123 |
| 232 | Paleoclimatology | 6 | 277 | 789 | 673 |
| 233 | nuclear astrophysics | 5 | 275 | 347 | 238 |
| 234 | Virology | 7 | 273 | 2141 | 2599 |
| 235 | Carcinogenesis | 3 | 271 | 1072 | 697 |
| 235 | carcinogens | 3 | 271 | 1045 | 683 |
| 237 | Soft Condensed Matter | 7 | 270 | 714 | 630 |
| 238 | Superconductors | 23 | 268 | 348 | 413 |
| 239 | Signal Transduction | 6 | 265 | 1070 | 1121 |
| 240 | Earth Sciences | 11 | 263 | 1779 | 1883 |
| 241 | Genetic Toxicology | 9 | 262 | 178 | 305 |
| 242 | Pharmacy | 12 | 259 | 1074 | 1284 |
| 242 | Antioxidants | 6 | 259 | 521 | 659 |
| 242 | Superconductivity | 22 | 259 | 112 | 198 |
| 242 | vitamin C | 6 | 259 | 226 | 251 |
| 242 | vitamin E | 6 | 259 | 226 | 251 |
| 247 | Environmental Law | 8 | 258 | 623 | 1014 |
| 247 | Food | 5 | 258 | 2522 | 2028 |
| 249 | Microbial Ecology | 11 | 254 | 1216 | 1866 |
| 250 | Public Policy | 1 | 251 | 2949 | 969 |
| 250 | libraries | 1 | 251 | 1004 | 165 |
| 252 | Radio wave propagation | 10 | 244 | 349 | 270 |
| 252 | Molecular Spectroscopy | 10 | 244 | 962 | 932 |
| 252 | enzymes | 7 | 244 | 1016 | 1005 |
| 255 | Nervous system | 7 | 243 | 1737 | 1845 |
| 256 | Climatology | 13 | 241 | 806 | 1153 |
| 257 | protein | 14 | 238 | 522 | 778 |
| 258 | fusion reactors | 22 | 235 | 149 | 161 |
| 259 | food technology | 6 | 231 | 1870 | 1702 |
| 260 | Developmental Biology | 6 | 229 | 1464 | 1658 |
| 261 | Microwaves | 14 | 228 | 693 | 721 |
| 261 | Quantum theory | 14 | 228 | 362 | 463 |
| 263 | Metals | 8 | 227 | 1419 | 1374 |
| 264 | Extracellular matrix | 3 | 226 | 246 | 233 |
| 264 | collagen | 3 | 226 | 266 | 242 |
| 266 | Physical organic chemistry | 10 | 218 | 779 | 819 |
| 266 | Interfaces | 2 | 218 | 452 | 92 |
| 268 | Hematology | 7 | 215 | 1955 | 2040 |
| 269 | biological monitoring | 3 | 211 | 529 | 294 |
| 270 | supercritical fluids | 4 | 209 | 319 | 235 |
| 271 | Hydraulic Engineering | 3 | 208 | 962 | 536 |
| 272 | Green Chemistry | 6 | 207 | 1350 | 1548 |
| 272 | Sustainable Engineering | 6 | 207 | 1194 | 1229 |
| 272 | Plastics | 13 | 207 | 772 | 929 |
| 275 | Public Health | 5 | 205 | 4666 | 3953 |
| 276 | Mathematics | 19 | 200 | 2725 | 2760 |
| 276 | Lipids | 15 | 200 | 490 | 1087 |
| 278 | Databases | 5 | 199 | 288 | 257 |
| 279 | Electrical Engineering | 62 | 196 | 694 | 1611 |
| 279 | Minerals | 6 | 196 | 470 | 379 |
| 281 | Paleoecology | 6 | 194 | 749 | 746 |
| 282 | Mass Spectrometry | 5 | 193 | 946 | 775 |
| 282 | indoor air pollution | 6 | 193 | 210 | 247 |
| 282 | Reproduction | 7 | 193 | 1597 | 1583 |
| 282 | Ventilation | 6 | 193 | 319 | 295 |
| 282 | Sick building syndrome | 6 | 193 | 210 | 247 |
| 287 | Metallurgy | 9 | 192 | 1510 | 1502 |
| 288 | Paleogeography | 5 | 191 | 732 | 701 |
| 289 | Detectors | 6 | 188 | 1103 | 917 |
| 290 | Agricultural Engineering | 1 | 185 | 827 | 274 |
| 290 | lasers | 8 | 185 | 1493 | 1284 |
| 292 | Chemical analysis | 4 | 184 | 1093 | 829 |
| 293 | Hydrodynamics | 3 | 181 | 594 | 422 |
| 294 | China | 7 | 179 | 2014 | 1820 |
| 295 | microwave antennas | 8 | 175 | 173 | 112 |
| 296 | Immunochemistry | 7 | 172 | 639 | 684 |
| 297 | Clinical Biochemistry | 3 | 168 | 1275 | 880 |
| 297 | Radio | 13 | 168 | 762 | 1218 |
| 299 | Crystal growth | 9 | 167 | 567 | 714 |
| 300 | Petroleum Engineering | 4 | 166 | 707 | 519 |
| 301 | Biomolecules | 4 | 165 | 375 | 439 |
| 302 | Drug design | 9 | 164 | 856 | 1235 |
| 303 | Urology | 3 | 163 | 1749 | 1417 |
| 304 | mutation | 5 | 161 | 480 | 582 |
| 304 | histological techniques | 3 | 161 | 713 | 684 |
| 304 | DNA repair | 5 | 161 | 213 | 238 |
| 307 | energy conservation | 4 | 158 | 1889 | 2022 |
| 308 | Visual Perception | 11 | 157 | 843 | 1293 |
| 308 | Memory | 11 | 157 | 953 | 1482 |
| 308 | Attention | 11 | 157 | 889 | 1352 |
| 308 | Perception | 11 | 157 | 973 | 1431 |
| 312 | Photography | 54 | 156 | 365 | 427 |
| 313 | Geriatric Oncology | 1 | 155 | 1092 | 533 |
| 314 | viruses | 3 | 153 | 1481 | 1501 |
| 315 | Medical Laboratory Science | 14 | 150 | 1026 | 2141 |
| 316 | Educational Psychology | 3 | 148 | 1334 | 991 |
| 316 | Luminescence | 12 | 148 | 579 | 810 |
| 318 | Hydrogeology | 3 | 147 | 714 | 488 |
| 318 | Molecular Microbiology | 3 | 147 | 871 | 982 |
| 318 | Magnetic Resonance Spectroscopy | 13 | 147 | 544 | 749 |
| 321 | Medical Physics | 8 | 146 | 1171 | 1496 |
| 321 | Crystallography | 7 | 146 | 1156 | 774 |
| 323 | Heterocyclic compounds | 19 | 145 | 257 | 426 |
| 324 | Industrial Ecology | 2 | 144 | 229 | 201 |
| 325 | Endocrinology | 4 | 142 | 2618 | 2803 |
| 325 | Natural resources | 2 | 142 | 936 | 645 |
| 327 | Crystallization | 5 | 141 | 399 | 233 |
| 328 | Epidemiology | 4 | 139 | 3408 | 3059 |
| 328 | Ocean Engineering | 2 | 139 | 2016 | 1376 |
| 330 | Numerical Analysis | 8 | 138 | 1507 | 1359 |
| 331 | Automation | 12 | 137 | 1170 | 1831 |
| 332 | Cosmochemistry | 9 | 136 | 481 | 787 |
| 333 | Geomagnetism | 2 | 133 | 721 | 471 |
| 334 | Radiopharmaceuticals | 18 | 132 | 90 | 125 |
| 335 | Computer Graphics | 7 | 131 | 1197 | 1328 |
| 336 | Herbal medicine | 2 | 130 | 1000 | 759 |
| 336 | Infertility | 2 | 130 | 1127 | 1014 |
| 336 | fertility | 2 | 130 | 1229 | 1079 |
| 339 | Pharmaceutical Technology | 7 | 128 | 1020 | 1351 |
| 340 | drugs | 9 | 127 | 1307 | 1835 |
| 341 | Greenhouse gases | 3 | 126 | 326 | 371 |
| 342 | Thermodynamics | 7 | 124 | 766 | 634 |
| 342 | internet | 10 | 124 | 807 | 1277 |
| 344 | Geographic information systems | 4 | 122 | 994 | 710 |
| 344 | drug evaluation | 7 | 122 | 907 | 1185 |
| 346 | Dynamics | 11 | 121 | 741 | 959 |
| 347 | Solitons | 10 | 120 | 531 | 849 |
| 347 | Fractals | 10 | 120 | 536 | 851 |
| 347 | Chaos | 10 | 120 | 531 | 849 |
| 350 | Combustion | 5 | 118 | 999 | 1064 |
| 351 | Thermochemistry | 5 | 117 | 375 | 366 |
| 351 | Fluorescence spectroscopy | 6 | 117 | 153 | 189 |
| 351 | environmental exposure | 4 | 117 | 1803 | 1843 |
| 354 | Metabolism | 2 | 116 | 3291 | 2981 |
| 354 | Gerontology | 6 | 116 | 1390 | 1370 |
| 354 | air quality | 6 | 116 | 75 | 122 |
| 357 | Mycology | 6 | 115 | 1173 | 1454 |
| 357 | Enzyme | 2 | 115 | 671 | 580 |
| 357 | Fungi | 6 | 115 | 735 | 1041 |
| 360 | data collection | 5 | 114 | 859 | 1190 |
| 361 | nuclear magnetic resonance | 11 | 113 | 566 | 790 |
| 361 | Multimedia Systems | 10 | 113 | 975 | 1309 |
| 363 | Microstructure | 12 | 112 | 261 | 445 |
| 364 | Quantum Optics | 11 | 111 | 392 | 615 |
| 365 | Cell differentiation | 4 | 110 | 1449 | 1986 |
| 366 | peptides | 14 | 109 | 225 | 557 |
| 367 | Internet of Things | 7 | 108 | 706 | 1070 |
| 367 | Pesticides | 5 | 108 | 482 | 485 |
| 369 | Chromosome mapping | 3 | 107 | 1958 | 2078 |
| 369 | gene mapping | 3 | 107 | 2146 | 2355 |
| 371 | Histology | 6 | 106 | 1368 | 1864 |
| 372 | Nanophotonics | 2 | 104 | 429 | 360 |
| 373 | Calorimetry | 7 | 103 | 709 | 871 |
| 373 | Thermal analysis | 7 | 103 | 709 | 871 |
| 375 | Quantum electronics | 4 | 102 | 1574 | 1303 |
| 375 | plankton | 2 | 102 | 276 | 194 |
| 375 | Laser Spectroscopy | 9 | 102 | 432 | 611 |
| 378 | Adsorption | 7 | 99 | 72 | 151 |
| 378 | Plant physiology | 9 | 99 | 1284 | 2195 |
| 380 | Information Theory | 2 | 98 | 1630 | 1206 |
| 380 | Cell death | 4 | 98 | 1135 | 1588 |
| 382 | Computer Science | 6 | 97 | 1502 | 1517 |
| 382 | Hydrology | 3 | 97 | 2498 | 2212 |
| 384 | Magnetic Resonance Imaging | 2 | 96 | 589 | 443 |
| 385 | Parasitology | 3 | 93 | 2302 | 1993 |
| 385 | Communication | 4 | 93 | 1758 | 1775 |
| 385 | Algal blooms | 3 | 93 | 284 | 373 |
| 385 | Cyanobacteria | 3 | 93 | 284 | 373 |
| 385 | microalgae | 3 | 93 | 284 | 373 |
| 390 | Manufacturing Processes | 6 | 91 | 1774 | 2112 |
| 390 | water supply | 2 | 91 | 1145 | 1039 |
| 392 | Geology | 8 | 89 | 1929 | 2495 |
| 392 | biological factors | 10 | 89 | 1038 | 1894 |
| 392 | Informatics | 6 | 89 | 591 | 893 |
| 395 | Information Technology | 6 | 88 | 1809 | 2164 |
| 396 | Pharmacokinetics | 4 | 87 | 744 | 1006 |
| 396 | occupational diseases | 3 | 87 | 824 | 940 |
| 398 | Functional foods | 2 | 86 | 508 | 400 |
| 398 | Molecular evolution | 8 | 86 | 865 | 1824 |
| 398 | Phytotherapy | 2 | 86 | 880 | 713 |
| 401 | Antibodies | 9 | 85 | 347 | 735 |
| 401 | Antigens | 9 | 85 | 495 | 930 |
| 403 | Mutagenesis | 3 | 82 | 459 | 403 |
| 403 | Microfluidics | 3 | 82 | 240 | 256 |
| 403 | venom | 3 | 82 | 775 | 768 |
| 403 | Toxins | 3 | 82 | 877 | 856 |
| 407 | Production Engineering | 5 | 81 | 1627 | 1686 |
| 408 | Marine Geology | 3 | 79 | 642 | 630 |
| 409 | Nutrition | 3 | 78 | 4294 | 4604 |
| 409 | Radio waves | 4 | 78 | 833 | 1018 |
| 411 | Marine Ecology | 4 | 76 | 672 | 754 |
| 411 | Retina | 1 | 76 | 323 | 435 |
| 411 | Analytical Biochemistry | 7 | 76 | 1200 | 1888 |
| 411 | Neurophysiology | 5 | 76 | 2253 | 3131 |
| 411 | eye | 1 | 76 | 387 | 459 |
| 416 | Bioremediation | 1 | 75 | 1557 | 1055 |
| 417 | Hormones | 3 | 73 | 1309 | 1543 |
| 418 | Pharmacogenetics | 2 | 72 | 1326 | 1300 |
| 418 | Rheology | 2 | 72 | 775 | 619 |
| 418 | Plant cells | 1 | 72 | 1562 | 1672 |
| 421 | Environmental Geology | 3 | 70 | 1672 | 1771 |
| 421 | Machine Learning | 6 | 70 | 206 | 390 |
| 423 | Semantic web | 2 | 69 | 137 | 150 |
| 424 | Cognitive Science | 2 | 67 | 1887 | 1828 |
| 424 | clay minerals | 4 | 67 | 223 | 361 |
| 426 | Operations Research | 2 | 66 | 2422 | 2066 |
| 427 | Embryology | 4 | 65 | 1323 | 1968 |
| 427 | Systems Biology | 4 | 65 | 1470 | 2017 |
| 427 | Pharmacogenomics | 1 | 65 | 637 | 464 |
| 430 | Supramolecular chemistry | 6 | 64 | 122 | 175 |
| 430 | Sun | 6 | 64 | 256 | 390 |
| 430 | Solar System | 6 | 64 | 556 | 868 |
| 433 | Waste management | 3 | 63 | 1535 | 1538 |
| 433 | Histocompatibility Testing | 2 | 63 | 655 | 597 |
| 435 | Environmental Management | 3 | 62 | 3012 | 3863 |
| 435 | Computational Complexity | 4 | 62 | 897 | 864 |
| 437 | Steroids | 5 | 61 | 785 | 1206 |
| 437 | natural disasters | 3 | 61 | 1344 | 1608 |
| 439 | Probiotics | 1 | 60 | 428 | 252 |
| 439 | Proteome | 4 | 60 | 1085 | 1707 |
| 439 | RNA | 1 | 60 | 891 | 784 |
| 439 | Plasma devices | 4 | 60 | 257 | 368 |
| 443 | Electromagnetism | 7 | 59 | 678 | 1069 |
| 443 | Autoantibodies | 1 | 59 | 993 | 894 |
| 443 | Autoimmunity | 1 | 59 | 1220 | 1161 |
| 443 | Autoimmune diseases | 1 | 59 | 1105 | 981 |
| 443 | biological evolution | 2 | 59 | 2447 | 2736 |
| 448 | System analysis | 7 | 58 | 1546 | 2454 |
| 448 | plant oils | 6 | 58 | 131 | 230 |
| 450 | Psychology | 3 | 57 | 4713 | 4996 |
| 450 | Anatomy | 3 | 57 | 1916 | 2204 |
| 450 | Metabolic diseases | 1 | 57 | 3444 | 3218 |
| 453 | Microfabrication | 8 | 56 | 169 | 469 |
| 453 | Drug delivery devices | 1 | 56 | 541 | 565 |
| 453 | ecosystem | 2 | 56 | 1601 | 1853 |
| 456 | Petroleum Geology | 2 | 55 | 682 | 713 |
| 456 | sustainability | 2 | 55 | 1167 | 1390 |
| 458 | Occupational Health | 1 | 54 | 1927 | 1133 |
| 458 | human behavior | 2 | 54 | 2888 | 3568 |
| 458 | Behavior | 2 | 54 | 3729 | 4259 |
| 461 | Environmental Toxicology | 1 | 53 | 3706 | 3400 |
| 461 | Thin Films | 6 | 53 | 344 | 563 |
| 461 | Brain | 3 | 53 | 2627 | 3241 |
| 464 | Inorganic Chemistry | 1 | 51 | 98 | 80 |
| 464 | Diet | 1 | 51 | 3282 | 3107 |
| 466 | Metallography | 7 | 50 | 524 | 1094 |
| 466 | Seaweed | 2 | 50 | 668 | 791 |
| 468 | Engineering Geology | 2 | 49 | 1676 | 1734 |
| 468 | Energy Harvesting | 1 | 49 | 751 | 892 |
| 468 | Ferroelectricity | 5 | 49 | 859 | 977 |
| 468 | Biodiversity | 1 | 49 | 3347 | 2796 |
| 472 | Systems Engineering | 1 | 48 | 3294 | 2411 |
| 472 | Agricultural Chemistry | 2 | 48 | 2822 | 2964 |
| 472 | Iron | 2 | 48 | 445 | 388 |
| 475 | Optical Communications | 1 | 47 | 1331 | 892 |
| 475 | Lipid metabolism | 5 | 47 | 280 | 757 |
| 475 | Lipid | 5 | 47 | 280 | 760 |
| 478 | Soil Science | 3 | 46 | 1881 | 2367 |
| 478 | Fluid Dynamics | 3 | 46 | 1114 | 1326 |
| 478 | Municipal Engineering | 1 | 46 | 713 | 536 |
| 478 | Molecular recognition | 2 | 46 | 288 | 314 |
| 482 | Microscopy | 7 | 45 | 896 | 1624 |
| 482 | Extreme environments | 3 | 45 | 221 | 477 |
| 484 | Psychiatry | 2 | 44 | 4947 | 5271 |
| 484 | Mental Disorders | 2 | 44 | 3467 | 3828 |
| 484 | Organometallic compounds | 3 | 44 | 1257 | 1507 |
| 484 | Japan | 3 | 44 | 2163 | 2275 |
| 484 | Hazardous waste | 1 | 44 | 1649 | 1774 |
| 484 | Mental illness | 2 | 44 | 2360 | 2857 |
| 484 | energy resources | 1 | 44 | 2174 | 2428 |
| 484 | hygiene | 1 | 44 | 1004 | 799 |
| 492 | Space telescopes | 2 | 43 | 242 | 193 |
| 492 | Chemical kinetics | 4 | 43 | 636 | 691 |
| 494 | Genetic epidemiology | 1 | 42 | 489 | 438 |
| 494 | Tropical Medicine | 2 | 42 | 2222 | 2252 |
| 494 | heredity | 1 | 42 | 1172 | 877 |
| 497 | Environmental risk assessment | 2 | 41 | 587 | 630 |
| 497 | multimedia | 6 | 41 | 356 | 839 |
| 497 | Interactive multimedia | 6 | 41 | 387 | 916 |
| 497 | coal | 2 | 41 | 2012 | 2516 |
| 501 | Boundary Value Problems | 2 | 40 | 945 | 868 |
| 501 | Antenna Arrays | 2 | 40 | 669 | 775 |
| 501 | Logic Programming | 1 | 40 | 506 | 283 |
| 501 | natural gas | 2 | 40 | 543 | 691 |
| 505 | Mineralogy | 1 | 39 | 2104 | 1658 |
| 505 | Evolution | 5 | 39 | 1441 | 2670 |
| 507 | Biomechanics | 2 | 38 | 1652 | 1923 |
| 507 | Ultrasonics | 1 | 38 | 1995 | 1995 |
| 507 | Sonochemistry | 1 | 38 | 1093 | 1284 |
| 507 | Meteorites | 2 | 38 | 985 | 1413 |
| 511 | Engineering Mathematics | 1 | 37 | 2837 | 1991 |
| 512 | Kinetics | 1 | 36 | 923 | 691 |
| 512 | Coastal zone management | 1 | 36 | 1171 | 1104 |
| 512 | Drying | 3 | 36 | 368 | 580 |
| 512 | Lightweight concrete | 2 | 36 | 524 | 954 |
| 512 | Marine resources | 1 | 36 | 1216 | 1154 |
| 512 | Ethnology | 1 | 36 | 2250 | 1538 |
| 512 | Algae | 1 | 36 | 1158 | 1056 |
| 512 | drug development | 2 | 36 | 1394 | 2227 |
| 512 | Imaging systems | 3 | 36 | 858 | 897 |
| 512 | Plants | 2 | 36 | 2388 | 2767 |
| 522 | Plant Ecology | 1 | 35 | 2518 | 2562 |
| 522 | Radiation effects | 1 | 35 | 1111 | 1144 |
| 522 | Fisheries | 1 | 35 | 2466 | 2085 |
| 525 | Quality Control | 4 | 34 | 1597 | 2619 |
| 525 | Gene expression regulation | 3 | 34 | 1044 | 1632 |
| 525 | Genetic regulation | 3 | 34 | 1218 | 1945 |
| 525 | nuclear magnetic resonance spectroscopy | 2 | 34 | 899 | 901 |
| 525 | Chromatographic analysis | 6 | 34 | 1411 | 2484 |
| 525 | NMR | 2 | 34 | 659 | 646 |
| 525 | magnetic resonance | 2 | 34 | 693 | 674 |
| 532 | Computational Fluid Dynamics | 2 | 33 | 815 | 924 |
| 532 | Sound | 3 | 33 | 1166 | 1356 |
| 532 | Gene library | 1 | 33 | 185 | 223 |
| 532 | Agriculture | 5 | 33 | 1711 | 3044 |
| 536 | Zoology | 3 | 32 | 2517 | 2995 |
| 536 | Chronobiology | 1 | 32 | 937 | 821 |
| 536 | Visual Communication | 2 | 32 | 622 | 681 |
| 536 | Microbial Biotechnology | 1 | 32 | 1769 | 1731 |
| 536 | Circadian rhythms | 1 | 32 | 714 | 750 |
| 536 | biological clocks | 1 | 32 | 937 | 821 |
| 536 | Image enhancement | 2 | 32 | 489 | 619 |
| 536 | isomerism | 2 | 32 | 414 | 485 |
| 536 | management | 3 | 32 | 3252 | 4208 |
| 536 | circadian rhythm | 1 | 32 | 937 | 821 |
| 536 | biological rhythms | 1 | 32 | 899 | 804 |
| 536 | Chirality | 2 | 32 | 414 | 485 |
| 548 | bioclimatology | 4 | 31 | 779 | 1495 |
| 548 | Chemical industry | 3 | 31 | 1438 | 1765 |
| 550 | Traffic Engineering | 1 | 30 | 738 | 769 |
| 550 | Highway Engineering | 1 | 30 | 676 | 611 |
| 550 | marketing | 1 | 30 | 2660 | 2453 |
| 550 | Therapeutics | 3 | 30 | 1860 | 3081 |
| 550 | drug therapy | 3 | 30 | 2408 | 3639 |
| 550 | Cell communication | 1 | 30 | 1082 | 1262 |
| 550 | Genes | 2 | 30 | 1498 | 1897 |
| 557 | Water quality management | 4 | 28 | 1667 | 2737 |
| 557 | Environmental Geochemistry | 1 | 28 | 1117 | 1043 |
| 557 | Geodynamics | 2 | 28 | 1012 | 1292 |
| 560 | Obstetrics | 4 | 26 | 2169 | 3531 |
| 560 | Physical Geography | 1 | 26 | 830 | 783 |
| 560 | Neurobiology | 1 | 26 | 2543 | 2875 |
| 560 | air | 3 | 26 | 151 | 355 |
| 560 | Climate | 3 | 26 | 567 | 1180 |
| 565 | Psychopharmacology | 2 | 24 | 1841 | 2527 |
| 565 | Chemical Oceanography | 1 | 24 | 473 | 622 |
| 565 | Oxidative stress | 1 | 24 | 1542 | 1991 |
| 565 | Electrophoresis | 4 | 24 | 1523 | 2714 |
| 565 | Marine Geophysics | 1 | 24 | 516 | 478 |
| 565 | Marine mineral resources | 1 | 24 | 343 | 268 |
| 565 | Chromatography | 4 | 24 | 1524 | 2616 |
| 565 | catalytic activity | 1 | 24 | 971 | 1110 |
| 565 | Seabed | 1 | 24 | 343 | 268 |
| 565 | synthesis | 3 | 24 | 1075 | 1364 |
| 565 | Oxidation-reduction | 1 | 24 | 1356 | 1781 |
| 576 | Geothermal Energy | 1 | 23 | 528 | 563 |
| 576 | Graphene | 2 | 23 | 162 | 391 |
| 576 | arthritis | 1 | 23 | 1829 | 2272 |
| 576 | Information Science | 4 | 23 | 2237 | 3770 |
| 580 | Ergonomics | 1 | 22 | 1701 | 1572 |
| 580 | Telecommunications | 11 | 22 | 264 | 1219 |
| 580 | Algorithms | 1 | 22 | 1190 | 1003 |
| 583 | Probability | 3 | 21 | 587 | 1054 |
| 583 | Risk Management | 3 | 21 | 722 | 1412 |
| 583 | Speech Perception | 1 | 21 | 628 | 742 |
| 583 | auditory perception | 1 | 21 | 738 | 822 |
| 583 | Accreditation | 1 | 21 | 208 | 126 |
| 583 | Fiber Optics | 1 | 21 | 1588 | 1577 |
| 583 | Financial management | 3 | 21 | 506 | 1104 |
| 583 | Risk | 3 | 21 | 554 | 1105 |
| 583 | language | 1 | 21 | 1332 | 1353 |
| 592 | Earthquake Engineering | 1 | 20 | 1897 | 2084 |
| 592 | Petrology | 2 | 20 | 1018 | 1325 |
| 592 | Social Networks | 1 | 20 | 662 | 693 |
| 592 | Soil dynamics | 1 | 20 | 847 | 950 |
| 592 | Online social networks | 1 | 20 | 669 | 685 |
| 592 | Petroleum | 1 | 20 | 594 | 494 |
| 598 | Quantum Mechanics | 4 | 19 | 119 | 188 |
| 598 | Integrated Circuits | 3 | 19 | 905 | 1051 |
| 598 | Decision making | 1 | 19 | 2505 | 2642 |
| 601 | Cybernetics | 1 | 18 | 2506 | 2681 |
| 601 | Health Physics | 1 | 18 | 436 | 349 |
| 601 | Leukemia | 2 | 18 | 1265 | 1940 |
| 601 | mathematical analysis | 1 | 18 | 2865 | 2431 |
| 605 | Computational Chemistry | 2 | 17 | 840 | 1232 |
| 605 | Radiography | 1 | 17 | 1410 | 1737 |
| 605 | Risk assessment | 3 | 17 | 658 | 1327 |
| 605 | Water Purification | 2 | 17 | 1560 | 2155 |
| 605 | global environmental change | 2 | 17 | 1075 | 1942 |
| 610 | Origin of life | 1 | 16 | 266 | 342 |
| 610 | Business | 1 | 16 | 3027 | 3309 |
| 610 | commerce | 1 | 16 | 2427 | 2464 |
| 610 | Cheminformatics | 2 | 16 | 459 | 855 |
| 610 | textile fibers | 1 | 16 | 834 | 837 |
| 610 | Organelle biogenesis | 1 | 16 | 400 | 495 |
| 616 | Computer Engineering | 1 | 15 | 1738 | 1783 |
| 616 | Pediatrics | 1 | 15 | 3897 | 4490 |
| 616 | Optoelectronic devices | 2 | 15 | 1232 | 1437 |
| 616 | natural products | 1 | 15 | 2701 | 2849 |
| 616 | Programming Languages | 1 | 15 | 72 | 40 |
| 616 | Familial diseases | 2 | 15 | 281 | 526 |
| 622 | Geomorphology | 1 | 14 | 1995 | 2437 |
| 622 | Intelligent Transportation Systems | 2 | 14 | 1374 | 2115 |
| 622 | Biopharmaceutics | 2 | 14 | 1436 | 2390 |
| 622 | Proteomics | 2 | 14 | 1456 | 2426 |
| 622 | pain management | 1 | 14 | 1138 | 1294 |
| 622 | Middle East | 2 | 14 | 1264 | 1520 |
| 622 | pain | 1 | 14 | 2199 | 2597 |
| 622 | Marine algae | 1 | 14 | 256 | 340 |
| 630 | Economics | 2 | 13 | 4266 | 5050 |
| 630 | Nondestructive testing | 2 | 13 | 920 | 1361 |
| 630 | Regional Planning | 1 | 13 | 2234 | 2474 |
| 630 | Histochemistry | 1 | 13 | 1688 | 1982 |
| 630 | Computational Linguistics | 1 | 13 | 1104 | 974 |
| 630 | Mitochondria | 1 | 13 | 551 | 843 |
| 630 | city planning | 1 | 13 | 2431 | 2734 |
| 630 | extraterrestrial environment | 1 | 13 | 1157 | 1279 |
| 630 | astronomical phenomena | 1 | 13 | 1067 | 1189 |
| 639 | Information Systems | 3 | 12 | 1441 | 2893 |
| 639 | Acoustics | 2 | 12 | 509 | 583 |
| 639 | emergency management | 1 | 12 | 1280 | 1631 |
| 639 | Bioacoustics | 1 | 12 | 197 | 259 |
| 639 | Microprocessors | 3 | 12 | 673 | 1312 |
| 639 | Speech acoustics | 2 | 12 | 211 | 349 |
| 639 | Intelligent Control Systems | 1 | 12 | 1978 | 1877 |
| 639 | Liposomes | 1 | 12 | 958 | 1201 |
| 639 | Africa | 1 | 12 | 2549 | 2473 |
| 639 | Spine | 2 | 12 | 857 | 1470 |
| 639 | amino acids | 1 | 12 | 1079 | 1514 |
| 639 | carbon monoxide | 1 | 12 | 709 | 1097 |
| 639 | World Wide Web | 1 | 12 | 848 | 831 |
| 652 | Systems Analysis | 3 | 11 | 1153 | 2275 |
| 652 | Structural biology | 1 | 11 | 164 | 378 |
| 652 | Research Design | 1 | 11 | 2133 | 2833 |
| 652 | Synchrotron Radiation | 2 | 11 | 507 | 855 |
| 652 | Turbulence | 1 | 11 | 424 | 545 |
| 652 | Input-output analysis | 1 | 11 | 467 | 612 |
| 652 | Prospecting | 2 | 11 | 123 | 253 |
| 659 | Historic Preservation | 1 | 10 | 269 | 340 |
| 659 | Measurement | 1 | 10 | 2298 | 2744 |
| 659 | Entropy | 3 | 10 | 1195 | 2200 |
| 659 | Information society | 3 | 10 | 112 | 502 |
| 659 | Growth factors | 1 | 10 | 585 | 997 |
| 664 | Structural Engineering | 1 | 9 | 2383 | 2728 |
| 664 | Medical Microbiology | 1 | 9 | 3500 | 4705 |
| 664 | Soil biology | 1 | 9 | 1378 | 1868 |
| 664 | Soil fertility | 1 | 9 | 572 | 912 |
| 664 | Erosion | 1 | 9 | 242 | 494 |
| 664 | Nuclear Facilities | 1 | 9 | 43 | 41 |
| 664 | optical devices | 1 | 9 | 884 | 1137 |
| 664 | impact | 1 | 9 | 574 | 860 |
| 664 | Soil ecology | 1 | 9 | 1282 | 1756 |
| 673 | Cartography | 1 | 8 | 887 | 972 |
| 673 | Digital electronics | 4 | 8 | 252 | 645 |
| 673 | diffusion | 1 | 8 | 599 | 411 |
| 673 | Diffusion of innovations | 1 | 8 | 252 | 419 |
| 673 | Arthropods | 2 | 8 | 319 | 722 |
| 673 | toxicity testing | 1 | 8 | 1397 | 2063 |
| 673 | technical education | 2 | 8 | 812 | 1421 |
| 673 | Growth | 1 | 8 | 1667 | 2364 |
| 681 | Orthopedics | 1 | 7 | 2507 | 3120 |
| 681 | Tribology | 1 | 7 | 1909 | 2378 |
| 681 | Horticulture | 2 | 7 | 970 | 1705 |
| 681 | Genetic Research | 1 | 7 | 405 | 700 |
| 681 | Expert Systems | 2 | 7 | 300 | 764 |
| 681 | Continuum Mechanics | 2 | 7 | 201 | 455 |
| 681 | DNS | 1 | 7 | 983 | 1487 |
| 681 | food handling | 2 | 7 | 1128 | 2346 |
| 681 | Mechanics | 2 | 7 | 1529 | 2237 |
| 681 | Carbohydrates | 1 | 7 | 804 | 1213 |
| 681 | musculoskeletal system | 1 | 7 | 317 | 521 |
| 681 | Catalysts | 1 | 7 | 1163 | 1564 |
| 681 | Liquid chromatography | 1 | 7 | 1020 | 1245 |
| 681 | bees | 1 | 7 | 645 | 915 |
| 695 | Dermatology | 1 | 6 | 2620 | 3298 |
| 695 | Sustainable Development | 2 | 6 | 2549 | 4543 |
| 695 | Forensic Genetics | 1 | 6 | 443 | 688 |
| 695 | Water Microbiology | 1 | 6 | 948 | 1576 |
| 695 | Nanotubes | 1 | 6 | 417 | 623 |
| 700 | Planetary Science | 1 | 5 | 878 | 1215 |
| 700 | Remote Sensing | 2 | 5 | 1929 | 2871 |
| 700 | Electromagnetic compatibility | 1 | 5 | 723 | 1014 |
| 700 | Heterocyclic chemistry | 1 | 5 | 943 | 1247 |
| 700 | Photogrammetry | 2 | 5 | 1134 | 1490 |
| 700 | water resources | 1 | 5 | 387 | 513 |
| 700 | Asymmetric synthesis | 1 | 5 | 239 | 439 |
| 700 | Moon | 1 | 5 | 318 | 430 |
| 700 | reasoning | 1 | 5 | 751 | 975 |
| 700 | space environment | 1 | 5 | 367 | 560 |
| 700 | Fuzzy systems | 1 | 5 | 2481 | 2992 |
| 711 | Statistics | 1 | 4 | 3729 | 4348 |
| 711 | Ethics | 1 | 4 | 1620 | 2334 |
| 711 | Simulation Methods | 4 | 4 | 810 | 2330 |
| 711 | Marine biodiversity | 1 | 4 | 412 | 593 |
| 711 | Cognitive neuroscience | 1 | 4 | 1483 | 2169 |
| 711 | Health | 1 | 4 | 3700 | 5317 |
| 711 | Adhesion | 2 | 4 | 926 | 1809 |
| 711 | Plant tissue culture | 2 | 4 | 922 | 1702 |
| 711 | Neuroplasticity | 1 | 4 | 531 | 896 |
| 711 | visualization | 3 | 4 | 1762 | 2792 |
| 711 | human development | 1 | 4 | 1281 | 1960 |
| 711 | adhesives | 2 | 4 | 993 | 1865 |
| 723 | Mechanical Engineering | 1 | 3 | 3647 | 4479 |
| 723 | Geriatrics | 2 | 3 | 3608 | 5838 |
| 723 | Freshwater Ecology | 1 | 3 | 547 | 930 |
| 723 | Environmental Archaeology | 1 | 3 | 170 | 302 |
| 723 | Wireless Communication | 1 | 3 | 873 | 1321 |
| 723 | Consumer Protection | 1 | 3 | 374 | 670 |
| 723 | Emulsions | 1 | 3 | 750 | 1195 |
| 723 | Chemical processes | 1 | 3 | 1158 | 1781 |
| 723 | particles | 1 | 3 | 1776 | 2587 |
| 723 | consumers | 1 | 3 | 690 | 1142 |
| 723 | Aquatic animals | 1 | 3 | 371 | 708 |
| 723 | Customer Relations | 1 | 3 | 181 | 349 |
| 723 | Host-parasite interactions | 2 | 3 | 1565 | 3053 |
| 723 | Plant diseases | 1 | 3 | 2726 | 3593 |
| 723 | immunoassay | 2 | 3 | 289 | 862 |
| 723 | software | 1 | 3 | 1867 | 2835 |
| 723 | Plant cell culture | 1 | 3 | 1099 | 1698 |
| 723 | pharmaceutical industry | 1 | 3 | 1125 | 1831 |
| 723 | Nonlinear systems | 1 | 3 | 1017 | 1432 |
| 742 | Social Sciences | 1 | 2 | 5278 | 6710 |
| 742 | Humanities | 1 | 2 | 2990 | 3955 |
| 742 | Sociology | 1 | 2 | 4582 | 6325 |
| 742 | Software Engineering | 1 | 2 | 1628 | 2301 |
| 742 | Systems Theory | 1 | 2 | 762 | 1296 |
| 742 | Solar power plants | 1 | 2 | 416 | 796 |
| 742 | environmental indicators | 1 | 2 | 1829 | 2880 |
| 742 | Sensor Networks | 1 | 2 | 498 | 854 |
| 742 | Action Research | 1 | 2 | 455 | 912 |
| 742 | Photovoltaic Cells | 1 | 2 | 418 | 799 |
| 742 | Dementia | 6 | 2 | 1124 | 2455 |
| 742 | Alzheimer's disease | 6 | 2 | 1152 | 2566 |
| 742 | finance | 1 | 2 | 3238 | 4024 |
| 742 | freshwater biology | 1 | 2 | 1483 | 2187 |
| 756 | Philosophy | 1 | 1 | 2038 | 2248 |
| 756 | Computer Architecture | 1 | 1 | 983 | 1444 |
| 756 | Cryptography | 1 | 1 | 1146 | 1580 |
| 756 | Telemedicine | 1 | 1 | 787 | 1572 |
| 756 | Agricultural Biotechnology | 1 | 1 | 589 | 911 |
| 756 | Bioethics | 1 | 1 | 1561 | 2374 |
| 756 | Medical Ethics | 1 | 1 | 1951 | 3046 |
| 756 | Plant genetic engineering | 1 | 1 | 1496 | 2258 |
| 756 | Neuromuscular diseases | 1 | 1 | 1021 | 1710 |
| 756 | Groundwater | 1 | 1 | 1026 | 1695 |
| 756 | sex differences | 1 | 1 | 297 | 674 |
| 756 | Muscles | 1 | 1 | 1406 | 2258 |
| 768 | Mining Engineering | 1 | 0 | 1023 | 1563 |
| 768 | Geotechnical Engineering | 1 | 0 | 900 | 1443 |
| 768 | Soil Mechanics | 1 | 0 | 1688 | 2390 |
| 768 | Rock Mechanics | 1 | 0 | 1348 | 2044 |
| 768 | Cellular senescence | 1 | 0 | 646 | 1226 |
| 768 | Wound healing | 1 | 0 | 59 | 171 |
| 768 | wound care | 1 | 0 | 59 | 171 |
| 768 | Neurotransmitters | 1 | 0 | 957 | 1230 |
| 768 | Fibrosis | 1 | 0 | 59 | 171 |
| 768 | Radiotherapy | 1 | 0 | 573 | 733 |
| 768 | stability | 1 | 0 | 194 | 438 |
| 768 | energy transfer | 1 | 0 | 26 | 107 |
| 768 | Virulence | 1 | 0 | 1819 | 2845 |
| 768 | Digital Audio Broadcasting | 1 | 0 | 9 | 37 |