| 1 | Chemistry | 604 | 11.8K | 629 | 1045 |
| 2 | Materials Science | 182 | 8.1K | 454 | 413 |
| 3 | computer networks | 129 | 6.5K | 142 | 81 |
| 4 | Biochemistry | 298 | 6.3K | 948 | 1174 |
| 5 | Ecology | 101 | 5.8K | 994 | 891 |
| 6 | Materials | 370 | 5.8K | 460 | 845 |
| 7 | Renewable Energy Sources | 157 | 5.7K | 78 | 283 |
| 8 | Nanotechnology | 313 | 5.4K | 339 | 725 |
| 9 | Pollution | 122 | 5.3K | 687 | 760 |
| 10 | Molecular Biology | 224 | 4.6K | 857 | 1237 |
| 11 | Physics | 333 | 4.5K | 904 | 1692 |
| 12 | Artificial Intelligence | 252 | 4.5K | 120 | 341 |
| 13 | Environmental monitoring | 100 | 4.4K | 374 | 392 |
| 14 | environmental pollution | 89 | 4.4K | 635 | 568 |
| 15 | Biotechnology | 196 | 4.2K | 512 | 906 |
| 16 | Chemical Engineering | 158 | 4.2K | 576 | 753 |
| 17 | Biomedical Engineering | 171 | 4.1K | 453 | 589 |
| 18 | Engineering | 228 | 4.0K | 184 | 250 |
| 19 | Wireless Communication Systems | 214 | 3.8K | 111 | 213 |
| 20 | Multimedia Systems | 185 | 3.8K | 33 | 45 |
| 21 | Electrical Engineering | 198 | 3.7K | 191 | 163 |
| 22 | Medicine | 138 | 3.4K | 1349 | 1527 |
| 23 | Environmental Health | 100 | 3.0K | 721 | 880 |
| 24 | Electrochemistry | 161 | 3.0K | 510 | 577 |
| 25 | Biology | 145 | 2.9K | 1128 | 1890 |
| 26 | Environment | 51 | 2.8K | 1078 | 1128 |
| 27 | Automation | 42 | 2.8K | 496 | 382 |
| 28 | Mathematics | 281 | 2.7K | 626 | 759 |
| 29 | Manufacturing Processes | 107 | 2.5K | 195 | 253 |
| 30 | Nanostructured Materials | 84 | 2.5K | 522 | 604 |
| 31 | Surface Chemistry | 99 | 2.5K | 605 | 739 |
| 32 | Microbiology | 96 | 2.5K | 1040 | 1314 |
| 33 | internet | 47 | 2.4K | 190 | 134 |
| 34 | Mechanical Engineering | 171 | 2.2K | 106 | 180 |
| 35 | Internet of Things | 32 | 2.1K | 209 | 117 |
| 36 | Colloids | 84 | 2.1K | 677 | 883 |
| 37 | Signal Processing | 104 | 2.1K | 314 | 486 |
| 38 | Environmental Policy | 48 | 2.1K | 629 | 644 |
| 39 | Bioengineering | 89 | 2.1K | 602 | 966 |
| 40 | Science | 136 | 2.1K | 1294 | 2273 |
| 41 | Pharmacology | 85 | 2.0K | 926 | 1051 |
| 42 | Organometallic chemistry | 130 | 2.0K | 46 | 89 |
| 43 | environmental protection | 66 | 2.0K | 480 | 617 |
| 44 | Computer Science | 77 | 2.0K | 108 | 82 |
| 45 | Analytical Chemistry | 89 | 1.9K | 803 | 983 |
| 46 | Environmental Management | 32 | 1.9K | 763 | 600 |
| 46 | Fuzzy systems | 126 | 1.9K | 17 | 43 |
| 48 | Cell Biology | 66 | 1.9K | 743 | 1039 |
| 49 | Polymers | 97 | 1.9K | 825 | 957 |
| 50 | Detectors | 62 | 1.9K | 117 | 101 |
| 51 | Information Science | 42 | 1.8K | 452 | 378 |
| 52 | coal | 57 | 1.8K | 192 | 257 |
| 53 | Telecommunication | 119 | 1.8K | 244 | 470 |
| 54 | Computer Engineering | 78 | 1.8K | 7 | 11 |
| 55 | Research | 110 | 1.8K | 1297 | 1763 |
| 56 | Composite Materials | 71 | 1.7K | 441 | 688 |
| 57 | Telecommunication Systems | 110 | 1.7K | 38 | 80 |
| 58 | Biocompatible Materials | 73 | 1.7K | 727 | 1093 |
| 59 | nanoscience | 115 | 1.6K | 294 | 767 |
| 60 | Solar Energy | 56 | 1.6K | 142 | 244 |
| 61 | Toxicology | 43 | 1.5K | 1162 | 1082 |
| 62 | Human-Computer Interaction | 41 | 1.5K | 177 | 153 |
| 63 | Environmental Engineering | 105 | 1.5K | 359 | 840 |
| 64 | Electronics | 143 | 1.5K | 343 | 636 |
| 65 | silicon | 74 | 1.5K | 3 | 4 |
| 66 | Optics | 134 | 1.4K | 608 | 839 |
| 67 | Production Engineering | 63 | 1.4K | 250 | 238 |
| 68 | Systems Engineering | 84 | 1.4K | 156 | 305 |
| 69 | Biophysics | 48 | 1.4K | 1417 | 1450 |
| 70 | Technology | 92 | 1.3K | 506 | 769 |
| 71 | Catalysis | 71 | 1.3K | 848 | 1239 |
| 72 | actuators | 42 | 1.3K | 451 | 528 |
| 72 | transducers | 42 | 1.3K | 451 | 528 |
| 74 | Measurement | 30 | 1.3K | 251 | 116 |
| 75 | Environmental Chemistry | 47 | 1.3K | 284 | 575 |
| 76 | polymerization | 67 | 1.3K | 845 | 978 |
| 77 | Biomass Energy | 80 | 1.3K | 226 | 725 |
| 78 | Neural circuitry | 53 | 1.2K | 225 | 395 |
| 79 | Semiconductors | 82 | 1.2K | 184 | 223 |
| 80 | Information Technology | 66 | 1.2K | 200 | 468 |
| 81 | lasers | 80 | 1.2K | 240 | 351 |
| 82 | Microprocessors | 21 | 1.1K | 98 | 17 |
| 83 | Power Electronics | 31 | 1.1K | 248 | 308 |
| 84 | Building Materials | 27 | 1.1K | 534 | 619 |
| 85 | Numerical Analysis | 98 | 1.1K | 177 | 377 |
| 86 | Metals | 61 | 1.1K | 318 | 533 |
| 87 | Optical materials | 60 | 1.0K | 479 | 873 |
| 88 | Solitons | 34 | 1.0K | 143 | 121 |
| 88 | Fractals | 34 | 1.0K | 143 | 121 |
| 88 | Chaos | 34 | 1.0K | 143 | 121 |
| 91 | Energy Policy | 79 | 996 | 280 | 943 |
| 92 | Physiology | 41 | 986 | 1039 | 1228 |
| 93 | Bioorganic chemistry | 48 | 977 | 612 | 824 |
| 94 | Energy Storage | 31 | 962 | 237 | 297 |
| 95 | Computational Biology | 64 | 937 | 334 | 677 |
| 96 | Cytology | 34 | 912 | 1142 | 1407 |
| 97 | Biochemical Engineering | 55 | 904 | 682 | 1419 |
| 98 | Industrial Engineering | 28 | 885 | 450 | 429 |
| 99 | Spectrum analysis | 56 | 879 | 1035 | 1369 |
| 100 | Pharmaceutical Chemistry | 33 | 852 | 1078 | 1170 |
| 100 | Photochemistry | 38 | 852 | 275 | 388 |
| 102 | Data Mining | 34 | 845 | 222 | 395 |
| 103 | mass transfer | 37 | 835 | 389 | 533 |
| 104 | Computational Complexity | 19 | 833 | 217 | 41 |
| 105 | Diagnostic Imaging | 40 | 829 | 354 | 476 |
| 106 | Photobiology | 36 | 825 | 148 | 239 |
| 107 | Nanochemistry | 33 | 822 | 135 | 119 |
| 108 | Nanostructures | 39 | 791 | 324 | 647 |
| 109 | energy conservation | 33 | 788 | 436 | 774 |
| 110 | Botany | 17 | 768 | 1622 | 1388 |
| 111 | Intelligent Control Systems | 79 | 759 | 21 | 71 |
| 112 | management | 26 | 753 | 1177 | 1303 |
| 113 | Calorimetry | 41 | 749 | 123 | 134 |
| 113 | Thermal analysis | 41 | 749 | 123 | 134 |
| 115 | Electrochemical Analysis | 36 | 745 | 315 | 413 |
| 116 | Water pollution | 21 | 743 | 978 | 1044 |
| 117 | Environmental Toxicology | 15 | 740 | 973 | 822 |
| 117 | Environmental pollutants | 15 | 740 | 897 | 700 |
| 119 | Cybernetics | 18 | 735 | 546 | 508 |
| 120 | Organic Chemistry | 34 | 733 | 1020 | 1084 |
| 121 | Molecular structure | 55 | 724 | 339 | 690 |
| 122 | Solid State Physics | 63 | 695 | 963 | 1306 |
| 123 | Nanoparticles | 32 | 682 | 409 | 642 |
| 124 | Image Processing | 55 | 679 | 372 | 773 |
| 125 | Food | 18 | 667 | 1227 | 1175 |
| 126 | Molecular Spectroscopy | 29 | 633 | 430 | 450 |
| 127 | Analytical Biochemistry | 25 | 631 | 402 | 471 |
| 128 | Metallurgy | 62 | 627 | 371 | 683 |
| 129 | Nutrition | 19 | 591 | 1532 | 1560 |
| 130 | Telecommunications | 83 | 586 | 6 | 71 |
| 131 | Quantum electronics | 48 | 578 | 260 | 414 |
| 132 | China | 13 | 565 | 1310 | 768 |
| 133 | Plants | 10 | 560 | 1057 | 841 |
| 134 | Intelligent Transportation Systems | 20 | 556 | 301 | 432 |
| 135 | big data | 19 | 547 | 56 | 98 |
| 135 | environmental exposure | 10 | 547 | 946 | 677 |
| 137 | Public Health | 17 | 540 | 1944 | 1744 |
| 138 | pollutants | 9 | 537 | 992 | 736 |
| 139 | Surface-Active Agents | 10 | 535 | 499 | 375 |
| 139 | Water | 12 | 535 | 1175 | 1214 |
| 139 | Surface properties | 10 | 535 | 544 | 423 |
| 142 | proteins | 53 | 532 | 313 | 695 |
| 143 | Neurology | 11 | 525 | 2142 | 1830 |
| 144 | Control Theory | 39 | 522 | 400 | 573 |
| 145 | Access to Information | 13 | 516 | 11 | 54 |
| 145 | Information dissemination | 13 | 516 | 11 | 54 |
| 147 | Computational Intelligence | 21 | 511 | 94 | 102 |
| 148 | Genetic engineering | 28 | 510 | 533 | 832 |
| 149 | Plant physiology | 15 | 508 | 934 | 1045 |
| 150 | Engineering Mathematics | 34 | 507 | 383 | 483 |
| 151 | Mobile Computing | 34 | 503 | 183 | 325 |
| 152 | Sustainable Engineering | 30 | 501 | 344 | 710 |
| 153 | Porous materials | 33 | 487 | 62 | 103 |
| 154 | enzymes | 8 | 480 | 848 | 591 |
| 155 | United States | 15 | 479 | 2056 | 1682 |
| 156 | plant molecular biology | 4 | 476 | 1164 | 811 |
| 157 | fuel cells | 15 | 474 | 497 | 642 |
| 158 | Aquaculture | 24 | 464 | 406 | 517 |
| 159 | protein | 45 | 456 | 160 | 444 |
| 159 | drugs | 7 | 456 | 1195 | 739 |
| 161 | vibration | 17 | 452 | 397 | 420 |
| 162 | Microbial Ecology | 8 | 444 | 1226 | 1191 |
| 163 | Solid State Chemistry | 43 | 432 | 630 | 989 |
| 163 | Bioinformatics | 32 | 432 | 482 | 842 |
| 165 | gene mapping | 12 | 431 | 804 | 888 |
| 166 | Chromosome mapping | 10 | 421 | 826 | 783 |
| 166 | Mechanics | 34 | 421 | 239 | 377 |
| 168 | Molecular cloning | 22 | 417 | 360 | 523 |
| 169 | particles | 11 | 416 | 384 | 245 |
| 170 | System analysis | 21 | 412 | 836 | 940 |
| 171 | pigments | 20 | 409 | 205 | 277 |
| 172 | Astrophysics | 18 | 408 | 1417 | 1458 |
| 173 | Immunology | 16 | 405 | 1195 | 1394 |
| 174 | Waste management | 12 | 403 | 596 | 401 |
| 175 | food technology | 20 | 397 | 918 | 1216 |
| 175 | Drug delivery systems | 17 | 397 | 537 | 790 |
| 177 | Cognitive Science | 24 | 396 | 403 | 716 |
| 177 | Production Management | 7 | 396 | 735 | 737 |
| 179 | software | 8 | 391 | 569 | 458 |
| 180 | Genetic recombination | 21 | 389 | 361 | 542 |
| 180 | Recombinant DNA | 21 | 389 | 415 | 582 |
| 182 | Microstructure | 8 | 387 | 457 | 135 |
| 183 | Materials Engineering | 27 | 386 | 62 | 98 |
| 183 | Earth Sciences | 34 | 386 | 930 | 1383 |
| 185 | Green Chemistry | 12 | 385 | 851 | 1033 |
| 185 | Ubiquitous computing | 28 | 385 | 2 | 7 |
| 185 | Asia | 17 | 385 | 989 | 782 |
| 188 | Enzyme | 3 | 381 | 519 | 215 |
| 189 | Sustainable Development | 27 | 374 | 376 | 963 |
| 190 | Ocean Engineering | 28 | 371 | 505 | 787 |
| 191 | Remote Sensing | 24 | 370 | 357 | 415 |
| 191 | machinery | 32 | 370 | 89 | 215 |
| 193 | Ceramics | 12 | 369 | 658 | 518 |
| 194 | Granular materials | 6 | 365 | 352 | 167 |
| 195 | Clinical Chemistry | 13 | 357 | 1141 | 1269 |
| 196 | Statistical physics | 24 | 353 | 1313 | 1548 |
| 197 | Environmental Microbiology | 8 | 351 | 741 | 809 |
| 197 | Thermodynamics | 24 | 351 | 268 | 293 |
| 199 | Green Technology | 15 | 350 | 43 | 54 |
| 199 | Water quality management | 15 | 350 | 674 | 655 |
| 201 | Genetics | 19 | 344 | 1244 | 1750 |
| 202 | Computer-Aided Design | 32 | 341 | 222 | 454 |
| 202 | infrared radiation | 8 | 341 | 296 | 96 |
| 204 | Stochastic Processes | 7 | 340 | 545 | 234 |
| 205 | Geriatrics | 8 | 333 | 1525 | 1125 |
| 206 | Histology | 7 | 331 | 1097 | 906 |
| 207 | Microwaves | 27 | 329 | 420 | 502 |
| 208 | Pharmacy | 4 | 323 | 1612 | 976 |
| 209 | Central Asia | 5 | 322 | 69 | 15 |
| 210 | Structural dynamics | 4 | 321 | 823 | 586 |
| 210 | Optoelectronic devices | 45 | 321 | 62 | 180 |
| 212 | Cosmology | 5 | 317 | 472 | 300 |
| 212 | nuclear astrophysics | 5 | 317 | 379 | 245 |
| 214 | Entropy | 3 | 315 | 1216 | 276 |
| 215 | Industry | 1 | 310 | 433 | 120 |
| 216 | Dynamics | 20 | 306 | 520 | 559 |
| 217 | Wireless Communication | 12 | 304 | 94 | 59 |
| 218 | genome | 8 | 299 | 752 | 897 |
| 219 | Photonics | 10 | 296 | 1039 | 1072 |
| 220 | Health | 17 | 290 | 760 | 938 |
| 221 | Industrial Microbiology | 16 | 288 | 708 | 1161 |
| 222 | Neurochemistry | 7 | 282 | 1391 | 1250 |
| 223 | sustainability | 11 | 279 | 319 | 546 |
| 224 | Immunotherapy | 11 | 278 | 780 | 999 |
| 224 | Adhesion | 16 | 278 | 130 | 209 |
| 224 | adhesives | 16 | 278 | 143 | 211 |
| 227 | Metallography | 13 | 274 | 305 | 373 |
| 228 | Geographic information systems | 15 | 273 | 328 | 360 |
| 229 | Heat Exchangers | 16 | 272 | 457 | 813 |
| 230 | Process Control | 4 | 270 | 818 | 722 |
| 231 | Quality Assurance | 31 | 264 | 12 | 63 |
| 232 | health planning | 14 | 260 | 943 | 965 |
| 233 | Energy Conversion | 17 | 259 | 453 | 956 |
| 234 | Magnetic Materials | 12 | 255 | 772 | 847 |
| 235 | World Wide Web | 11 | 252 | 94 | 88 |
| 236 | Computational Linguistics | 17 | 250 | 60 | 75 |
| 236 | Plastics | 16 | 250 | 645 | 780 |
| 238 | Structural Engineering | 17 | 246 | 661 | 836 |
| 238 | Obstetrics | 2 | 246 | 1942 | 1048 |
| 238 | miniaturization | 11 | 246 | 886 | 1168 |
| 241 | Egypt | 5 | 241 | 339 | 225 |
| 242 | synthesis | 14 | 240 | 356 | 323 |
| 243 | Biosensors | 5 | 239 | 937 | 1064 |
| 244 | Water Purification | 8 | 237 | 633 | 496 |
| 244 | Radio wave propagation | 13 | 237 | 274 | 262 |
| 244 | amino acids | 3 | 237 | 562 | 296 |
| 247 | Engineering Geology | 10 | 235 | 736 | 834 |
| 248 | India | 28 | 234 | 202 | 244 |
| 249 | solar cells | 5 | 231 | 653 | 618 |
| 250 | soil microbiology | 3 | 228 | 1295 | 1148 |
| 251 | Smart Materials | 21 | 227 | 224 | 461 |
| 252 | biological factors | 12 | 226 | 888 | 1040 |
| 252 | biomedicine | 5 | 226 | 312 | 258 |
| 254 | Computer Vision | 10 | 225 | 568 | 764 |
| 254 | Information Retrieval | 9 | 225 | 184 | 267 |
| 256 | Pharmaceutical Technology | 4 | 224 | 1269 | 947 |
| 257 | Mechatronics | 7 | 220 | 538 | 508 |
| 258 | data protection | 11 | 219 | 152 | 168 |
| 259 | Information Systems | 11 | 218 | 631 | 765 |
| 259 | mathematical analysis | 47 | 218 | 653 | 1144 |
| 261 | Education | 13 | 215 | 1730 | 1699 |
| 261 | Imaging systems | 36 | 215 | 48 | 214 |
| 263 | Tribology | 18 | 214 | 385 | 624 |
| 263 | Nuclear Physics | 22 | 214 | 1808 | 2209 |
| 265 | Inflammation | 6 | 210 | 705 | 808 |
| 265 | Nonlinear mechanics | 9 | 210 | 180 | 195 |
| 267 | Medicinal plants | 13 | 209 | 543 | 1004 |
| 267 | Interfaces | 4 | 209 | 239 | 100 |
| 269 | Soil Mechanics | 6 | 208 | 747 | 661 |
| 270 | Microelectronics | 19 | 205 | 653 | 1132 |
| 271 | drug toxicity | 6 | 203 | 215 | 232 |
| 271 | Plant cells | 1 | 203 | 1293 | 1014 |
| 273 | Fluid Mechanics | 17 | 202 | 608 | 830 |
| 274 | Pharmacognosy | 11 | 201 | 917 | 1323 |
| 274 | Physical organic chemistry | 23 | 201 | 419 | 839 |
| 276 | radioactive waste | 3 | 200 | 808 | 812 |
| 276 | industrial waste | 3 | 200 | 841 | 814 |
| 276 | Hazardous waste | 3 | 200 | 945 | 870 |
| 279 | Medical Technology | 16 | 198 | 505 | 896 |
| 279 | Geophysics | 19 | 198 | 1322 | 1950 |
| 279 | cell physiology | 7 | 198 | 856 | 1061 |
| 282 | Social Sciences | 36 | 196 | 819 | 1612 |
| 283 | Structural design | 14 | 194 | 275 | 475 |
| 283 | Communication | 11 | 194 | 1040 | 1244 |
| 285 | energy development | 15 | 193 | 194 | 597 |
| 286 | Humanities | 28 | 190 | 274 | 594 |
| 287 | Environmental Geology | 7 | 189 | 1037 | 1081 |
| 288 | Chemical reactors | 2 | 181 | 222 | 7 |
| 289 | Medical Laboratory Science | 11 | 180 | 941 | 1462 |
| 289 | Herbal medicine | 9 | 180 | 302 | 557 |
| 291 | Chemical analysis | 9 | 178 | 589 | 763 |
| 292 | Combustion | 11 | 177 | 601 | 795 |
| 293 | Medical Microbiology | 7 | 176 | 1204 | 1506 |
| 294 | Operations Research | 32 | 174 | 655 | 1431 |
| 294 | Social Networks | 6 | 174 | 142 | 191 |
| 294 | Online social networks | 6 | 174 | 129 | 124 |
| 297 | Fracture mechanics | 12 | 173 | 694 | 886 |
| 297 | infection | 6 | 173 | 932 | 1035 |
| 299 | Pharmacokinetics | 2 | 171 | 968 | 601 |
| 300 | Cloud Computing | 9 | 169 | 97 | 194 |
| 300 | Medical Physics | 10 | 169 | 788 | 1035 |
| 302 | Civil Engineering | 30 | 168 | 337 | 570 |
| 302 | Neurophysiology | 5 | 168 | 1869 | 1811 |
| 304 | Vaccines | 6 | 167 | 983 | 995 |
| 305 | Municipal Engineering | 4 | 166 | 246 | 169 |
| 305 | Solar power plants | 2 | 166 | 212 | 133 |
| 305 | Environmental Geochemistry | 10 | 166 | 133 | 246 |
| 305 | Photovoltaic Cells | 2 | 166 | 213 | 133 |
| 305 | Minerals | 10 | 166 | 278 | 435 |
| 310 | Sustainable Architecture | 4 | 164 | 99 | 18 |
| 311 | Developmental Biology | 13 | 163 | 811 | 1403 |
| 311 | Radio | 11 | 163 | 699 | 981 |
| 313 | Virology | 9 | 161 | 1358 | 1904 |
| 314 | Bioelectronics | 3 | 159 | 1064 | 1148 |
| 314 | biochemical markers | 8 | 159 | 261 | 331 |
| 316 | vascular diseases | 1 | 158 | 876 | 552 |
| 317 | Chromosomes | 8 | 157 | 474 | 688 |
| 318 | Epidemiology | 6 | 156 | 2095 | 2043 |
| 319 | Health Information Management | 1 | 155 | 661 | 523 |
| 320 | Aging | 7 | 150 | 1539 | 1559 |
| 321 | Computer Architecture | 5 | 149 | 395 | 228 |
| 322 | Computer Graphics | 15 | 147 | 711 | 1125 |
| 322 | Rock Mechanics | 4 | 147 | 746 | 671 |
| 324 | Optical Communications | 18 | 146 | 194 | 404 |
| 325 | Logistics | 6 | 145 | 354 | 508 |
| 325 | Catalysts | 16 | 145 | 165 | 436 |
| 327 | Molecular evolution | 16 | 144 | 533 | 1226 |
| 328 | Organometallic compounds | 14 | 143 | 567 | 909 |
| 329 | microwave antennas | 5 | 142 | 266 | 146 |
| 330 | Biopharmaceutics | 6 | 141 | 696 | 865 |
| 331 | Inventory Control | 5 | 139 | 26 | 50 |
| 332 | Meteorology | 15 | 137 | 880 | 1681 |
| 332 | biopolymers | 10 | 137 | 597 | 862 |
| 334 | Heterocyclic compounds | 15 | 136 | 330 | 447 |
| 335 | Ultrasonics | 3 | 135 | 1196 | 1108 |
| 335 | Sonochemistry | 3 | 135 | 660 | 746 |
| 337 | Toxins | 6 | 134 | 534 | 590 |
| 338 | Electromagnetism | 6 | 132 | 696 | 658 |
| 338 | Boundary Value Problems | 8 | 132 | 422 | 470 |
| 338 | environmental indicators | 2 | 132 | 1345 | 1128 |
| 341 | finance | 9 | 131 | 1414 | 1581 |
| 342 | Petroleum Engineering | 2 | 129 | 803 | 486 |
| 343 | Fluid Dynamics | 18 | 128 | 379 | 798 |
| 343 | Food service management | 1 | 128 | 790 | 519 |
| 343 | plasticity | 1 | 128 | 517 | 399 |
| 343 | Tropical Medicine | 7 | 128 | 1052 | 1119 |
| 347 | Immunopharmacology | 7 | 126 | 616 | 826 |
| 347 | cytokines | 7 | 126 | 691 | 1021 |
| 349 | human behavior | 7 | 125 | 1484 | 2295 |
| 350 | Antenna Arrays | 3 | 121 | 533 | 442 |
| 351 | Radio waves | 3 | 120 | 790 | 706 |
| 352 | Transportation | 6 | 119 | 1103 | 1238 |
| 352 | Crystal growth | 8 | 119 | 613 | 844 |
| 352 | Developing countries | 7 | 119 | 1456 | 1629 |
| 355 | East Asia | 7 | 118 | 314 | 258 |
| 355 | drug development | 2 | 118 | 980 | 933 |
| 355 | Chromatographic analysis | 11 | 118 | 915 | 1244 |
| 358 | Bioremediation | 6 | 117 | 498 | 788 |
| 359 | Edible plants | 3 | 115 | 198 | 200 |
| 360 | Feminist criticism | 1 | 114 | 267 | 57 |
| 360 | Drug design | 8 | 114 | 835 | 1248 |
| 362 | Optoelectronics | 10 | 111 | 217 | 214 |
| 363 | natural products | 7 | 109 | 1181 | 1325 |
| 363 | Fluorescence | 13 | 109 | 67 | 254 |
| 365 | Geotechnical Engineering | 5 | 108 | 338 | 364 |
| 366 | Signal Transduction | 6 | 107 | 890 | 1294 |
| 367 | concrete | 3 | 106 | 917 | 1013 |
| 367 | Cancer | 7 | 106 | 1588 | 2188 |
| 369 | Soft Condensed Matter | 11 | 105 | 534 | 895 |
| 370 | Earthquake Engineering | 6 | 104 | 946 | 1158 |
| 371 | Number Theory | 11 | 102 | 377 | 328 |
| 371 | Brain | 5 | 102 | 1764 | 2000 |
| 373 | Microbial Biotechnology | 10 | 101 | 357 | 917 |
| 373 | Behavior | 4 | 101 | 2353 | 2747 |
| 375 | Food additives | 4 | 100 | 875 | 1152 |
| 375 | Genetic therapy | 7 | 100 | 582 | 872 |
| 377 | Medical Oncology | 15 | 99 | 600 | 1240 |
| 377 | Library Science | 2 | 99 | 1171 | 428 |
| 377 | Biomolecules | 4 | 99 | 349 | 521 |
| 380 | gene therapy | 6 | 98 | 602 | 875 |
| 381 | Oncology | 6 | 96 | 1236 | 1931 |
| 381 | Photogrammetry | 8 | 96 | 422 | 263 |
| 381 | hydrocolloids | 3 | 96 | 593 | 869 |
| 384 | Fiber Optics | 7 | 95 | 584 | 758 |
| 384 | geological modeling | 12 | 95 | 142 | 395 |
| 386 | Robotics | 18 | 94 | 650 | 1399 |
| 386 | Educational Technology | 5 | 94 | 1269 | 1427 |
| 386 | Nanotubes | 5 | 94 | 104 | 62 |
| 389 | Nuclear Engineering | 7 | 93 | 944 | 966 |
| 389 | arthritis | 1 | 93 | 1185 | 1005 |
| 391 | Structure-activity relationship | 1 | 92 | 485 | 236 |
| 392 | Decision making | 5 | 91 | 1069 | 1230 |
| 393 | Geology | 11 | 90 | 1484 | 2095 |
| 393 | Molecules | 9 | 90 | 899 | 1064 |
| 393 | food industry | 6 | 90 | 424 | 565 |
| 396 | mutation | 3 | 89 | 530 | 625 |
| 396 | Integrated Circuits | 14 | 89 | 279 | 373 |
| 396 | Building | 10 | 89 | 260 | 397 |
| 399 | Chromatography | 10 | 88 | 809 | 1290 |
| 399 | Luminescence | 7 | 88 | 901 | 1106 |
| 401 | Nanoelectronics | 6 | 87 | 519 | 522 |
| 401 | Semiconductor industry | 6 | 87 | 382 | 414 |
| 403 | Climatology | 9 | 86 | 928 | 1566 |
| 403 | Biodegradation | 7 | 86 | 389 | 846 |
| 403 | Stem cells | 6 | 86 | 824 | 1188 |
| 406 | Travel | 4 | 85 | 596 | 611 |
| 406 | Ceramic materials | 8 | 85 | 797 | 1186 |
| 406 | Lightweight concrete | 1 | 85 | 700 | 696 |
| 406 | Bacterial infections | 4 | 85 | 586 | 866 |
| 410 | Pharmacogenetics | 7 | 83 | 492 | 823 |
| 410 | Biodiversity | 12 | 83 | 1007 | 1852 |
| 412 | Reproductive toxicology | 1 | 82 | 699 | 449 |
| 413 | Atmospheric Physics | 8 | 81 | 871 | 1356 |
| 414 | Social Change | 1 | 80 | 1630 | 1373 |
| 414 | Spectral Imaging | 3 | 80 | 6 | 1 |
| 416 | Plant Ecology | 3 | 79 | 1575 | 1771 |
| 416 | Genomics | 6 | 79 | 1845 | 2481 |
| 418 | Economics | 13 | 78 | 2062 | 2894 |
| 418 | Hydrology | 10 | 78 | 1237 | 2036 |
| 418 | air quality management | 3 | 78 | 489 | 557 |
| 418 | Virtual reality | 2 | 78 | 513 | 406 |
| 418 | Biomarkers | 5 | 78 | 247 | 334 |
| 423 | Radiation | 11 | 76 | 1063 | 1667 |
| 423 | textile fibers | 9 | 76 | 174 | 304 |
| 425 | Mining Engineering | 10 | 75 | 216 | 493 |
| 425 | Pesticides | 2 | 75 | 812 | 582 |
| 425 | Probiotics | 4 | 75 | 95 | 197 |
| 425 | natural disasters | 4 | 75 | 1082 | 1357 |
| 429 | Information Theory | 16 | 74 | 549 | 1221 |
| 429 | Energy Harvesting | 1 | 74 | 650 | 708 |
| 429 | Medical innovations | 4 | 74 | 681 | 1209 |
| 432 | Mathematical Physics | 13 | 73 | 1493 | 2069 |
| 433 | Bioinorganic chemistry | 5 | 71 | 1096 | 1368 |
| 433 | Soundproofing | 8 | 71 | 16 | 24 |
| 435 | Orthopedics | 1 | 70 | 1637 | 1142 |
| 435 | Industrial Organization | 2 | 70 | 401 | 345 |
| 435 | Electromagnetic compatibility | 3 | 70 | 340 | 303 |
| 435 | Electrophoresis | 7 | 70 | 1013 | 1486 |
| 435 | Radiation effects | 4 | 70 | 515 | 834 |
| 440 | Polymer Engineering | 4 | 69 | 62 | 67 |
| 440 | Entrepreneurship | 2 | 69 | 1250 | 1302 |
| 442 | Genetic Toxicology | 5 | 68 | 251 | 599 |
| 442 | Heterocyclic chemistry | 8 | 68 | 209 | 313 |
| 442 | Chemical industry | 5 | 68 | 982 | 1118 |
| 445 | Visual Communication | 5 | 67 | 280 | 394 |
| 445 | Technology Assessment | 2 | 67 | 551 | 680 |
| 445 | Image enhancement | 5 | 67 | 207 | 355 |
| 445 | impact | 2 | 67 | 378 | 430 |
| 449 | Ecological disturbances | 2 | 66 | 33 | 49 |
| 449 | Environmental disasters | 2 | 66 | 33 | 49 |
| 451 | solar power | 3 | 65 | 820 | 1120 |
| 451 | extraterrestrial environment | 5 | 65 | 398 | 514 |
| 453 | Nuclear Energy | 4 | 64 | 795 | 775 |
| 453 | Soil Science | 3 | 64 | 1738 | 1891 |
| 453 | micromechanics | 3 | 64 | 590 | 646 |
| 453 | scientific societies | 7 | 64 | 390 | 752 |
| 453 | Nonlinear systems | 11 | 64 | 247 | 585 |
| 458 | Physical Chemistry | 11 | 63 | 1143 | 1960 |
| 458 | Quality Control | 7 | 63 | 1023 | 1848 |
| 458 | Bacteriology | 3 | 63 | 1532 | 1880 |
| 461 | Software Engineering | 5 | 62 | 774 | 971 |
| 461 | Chemical processes | 8 | 62 | 268 | 552 |
| 461 | pharmaceutical industry | 4 | 62 | 476 | 583 |
| 464 | Soil stabilization | 2 | 61 | 10 | 6 |
| 464 | Small Business | 1 | 61 | 1149 | 1114 |
| 466 | Genetic markers | 2 | 60 | 331 | 264 |
| 466 | ozone | 1 | 60 | 258 | 114 |
| 466 | Condensed Matter | 10 | 60 | 1719 | 2429 |
| 469 | viruses | 6 | 59 | 819 | 1417 |
| 470 | Computational Chemistry | 2 | 58 | 813 | 788 |
| 470 | Financial Engineering | 1 | 58 | 365 | 213 |
| 470 | Operator theory | 21 | 58 | 46 | 257 |
| 470 | bioclimatology | 8 | 58 | 464 | 1089 |
| 470 | Nervous system | 3 | 58 | 1969 | 2212 |
| 470 | astronomical phenomena | 3 | 58 | 504 | 514 |
| 476 | Energy Consumption | 2 | 57 | 486 | 587 |
| 476 | Immunochemistry | 4 | 57 | 791 | 980 |
| 478 | Hematology | 4 | 56 | 1290 | 1634 |
| 478 | chromatin | 2 | 56 | 156 | 233 |
| 480 | Photography | 15 | 55 | 488 | 437 |
| 480 | Magnetic Resonance Imaging | 1 | 55 | 605 | 448 |
| 480 | Nondestructive testing | 5 | 55 | 505 | 713 |
| 480 | smart structures | 2 | 55 | 13 | 4 |
| 484 | Ventilation | 5 | 54 | 344 | 590 |
| 485 | Marine Biology | 8 | 53 | 1481 | 2429 |
| 486 | Psychology | 15 | 52 | 2142 | 3954 |
| 486 | Database Management | 4 | 52 | 643 | 844 |
| 486 | Speech Perception | 1 | 52 | 576 | 495 |
| 486 | auditory perception | 1 | 52 | 691 | 563 |
| 486 | Oral communication | 1 | 52 | 771 | 483 |
| 486 | drinking water | 1 | 52 | 269 | 100 |
| 486 | Speech | 1 | 52 | 1294 | 1013 |
| 486 | hygiene | 1 | 52 | 861 | 622 |
| 494 | Speech-Language Pathology | 2 | 51 | 360 | 343 |
| 494 | Linguistics | 2 | 51 | 1521 | 1169 |
| 494 | automatic speech recognition | 2 | 51 | 185 | 210 |
| 497 | Swarm Intelligence | 8 | 50 | 93 | 500 |
| 498 | Technological Innovations | 4 | 49 | 909 | 1341 |
| 498 | Plant diseases | 6 | 49 | 1303 | 1823 |
| 498 | herbs | 4 | 49 | 30 | 41 |
| 498 | biological monitoring | 8 | 49 | 202 | 709 |
| 502 | Sociology | 9 | 48 | 1699 | 2893 |
| 502 | Plant tissue culture | 3 | 48 | 688 | 931 |
| 502 | Noise control | 7 | 48 | 134 | 14 |
| 502 | Gerontology | 4 | 48 | 1488 | 1680 |
| 502 | Africa | 9 | 48 | 789 | 1261 |
| 502 | city planning | 4 | 48 | 1331 | 1724 |
| 502 | Plant cell culture | 3 | 48 | 602 | 923 |
| 502 | Industrial noise | 7 | 48 | 6 | 11 |
| 510 | consumer behavior | 1 | 47 | 973 | 846 |
| 511 | Liquid Crystals | 4 | 46 | 796 | 706 |
| 511 | Osteoporosis | 1 | 46 | 596 | 431 |
| 511 | ecosystem | 3 | 46 | 1192 | 1700 |
| 511 | Extreme environments | 2 | 46 | 286 | 449 |
| 515 | Sensor Networks | 1 | 45 | 529 | 293 |
| 515 | Electromagnetic waves | 2 | 45 | 399 | 368 |
| 515 | Finite Element Method | 2 | 45 | 431 | 420 |
| 515 | Biomass | 4 | 45 | 561 | 1145 |
| 515 | energy resources | 1 | 45 | 1901 | 2072 |
| 520 | Systems Analysis | 9 | 44 | 579 | 1330 |
| 520 | Inorganic Chemistry | 1 | 44 | 120 | 100 |
| 520 | Child | 1 | 44 | 2707 | 2119 |
| 520 | Bioavailability | 4 | 44 | 39 | 119 |
| 520 | Quantum Gravity | 6 | 44 | 1493 | 1875 |
| 520 | Child Development | 1 | 44 | 2295 | 1984 |
| 520 | Developmental Disabilities | 1 | 44 | 1346 | 1251 |
| 527 | Organizational learning | 7 | 43 | 130 | 541 |
| 527 | Molecular recognition | 5 | 43 | 102 | 300 |
| 527 | Simulation Methods | 5 | 43 | 753 | 1265 |
| 527 | Ethnology | 3 | 43 | 1434 | 1346 |
| 531 | Total Quality Management | 3 | 42 | 545 | 850 |
| 531 | Superconductors | 1 | 42 | 1177 | 828 |
| 531 | Hydraulic structures | 3 | 42 | 42 | 36 |
| 531 | Autoimmunity | 2 | 42 | 715 | 927 |
| 531 | Business | 12 | 42 | 1084 | 2635 |
| 531 | Carbon | 1 | 42 | 1736 | 1840 |
| 537 | Geriatric Oncology | 3 | 41 | 472 | 758 |
| 538 | Microfabrication | 3 | 40 | 345 | 457 |
| 538 | Chemical kinetics | 3 | 40 | 796 | 728 |
| 538 | Welding | 7 | 40 | 126 | 191 |
| 541 | Telemedicine | 3 | 39 | 297 | 546 |
| 542 | Functional Analysis | 3 | 38 | 1366 | 1387 |
| 542 | Neuropsychology | 3 | 38 | 1945 | 2388 |
| 542 | Air Conditioning | 3 | 38 | 192 | 218 |
| 542 | Cardiovascular diseases | 1 | 38 | 1779 | 1462 |
| 542 | Teaching | 8 | 38 | 1041 | 1931 |
| 547 | Land use | 2 | 37 | 1343 | 1620 |
| 547 | soil conservation | 2 | 37 | 967 | 1179 |
| 547 | land degradation | 2 | 37 | 611 | 841 |
| 547 | Natural history | 3 | 37 | 2758 | 3554 |
| 547 | degradation | 2 | 37 | 611 | 841 |
| 552 | nucleic acids | 7 | 36 | 961 | 1768 |
| 552 | Consumer education | 1 | 36 | 718 | 729 |
| 552 | Social work | 2 | 36 | 1547 | 1428 |
| 552 | Pancreatic diseases | 2 | 36 | 396 | 435 |
| 556 | Architectural Design | 9 | 35 | 180 | 521 |
| 556 | Fishery management | 3 | 35 | 757 | 983 |
| 556 | Diabetes mellitus | 5 | 35 | 1224 | 2061 |
| 556 | Urban Transportation | 1 | 35 | 295 | 169 |
| 556 | Metabolic diseases | 5 | 35 | 1328 | 2201 |
| 556 | Safety management | 1 | 35 | 1153 | 747 |
| 556 | Quantum theory | 4 | 35 | 883 | 1100 |
| 556 | Diabetes | 5 | 35 | 1261 | 2080 |
| 564 | electric vehicles | 2 | 34 | 383 | 506 |
| 564 | Aerosols | 2 | 34 | 615 | 701 |
| 564 | air quality | 4 | 34 | 124 | 442 |
| 564 | biological agents | 1 | 34 | 1202 | 443 |
| 564 | aerosol | 2 | 34 | 449 | 523 |
| 569 | Quantum Communication | 2 | 33 | 216 | 333 |
| 569 | Thermochemistry | 2 | 33 | 579 | 689 |
| 569 | Indoor air quality | 2 | 33 | 123 | 118 |
| 569 | older people | 1 | 33 | 2109 | 1501 |
| 569 | heating | 2 | 33 | 191 | 200 |
| 574 | Endocrinology | 4 | 32 | 1903 | 2790 |
| 574 | Historic Preservation | 3 | 32 | 120 | 168 |
| 574 | Nonlinear Dynamics | 7 | 32 | 1281 | 2051 |
| 574 | data collection | 3 | 32 | 1045 | 1544 |
| 574 | Adolescent | 2 | 32 | 2160 | 2241 |
| 574 | Cell surface receptors | 2 | 32 | 151 | 191 |
| 580 | Economic History | 6 | 31 | 2239 | 3128 |
| 580 | Kinetics | 2 | 31 | 621 | 720 |
| 580 | atmosphere | 5 | 31 | 529 | 1182 |
| 580 | free radicals | 1 | 31 | 1640 | 1822 |
| 584 | Psychiatry | 3 | 30 | 3088 | 3776 |
| 584 | Aerospace Engineering | 4 | 30 | 207 | 268 |
| 584 | Marine Ecology | 2 | 30 | 878 | 1000 |
| 584 | Industrial Statistics | 1 | 30 | 468 | 232 |
| 584 | Nuclear Chemistry | 3 | 30 | 1056 | 1138 |
| 584 | Precision medicine | 2 | 30 | 249 | 268 |
| 584 | Radiochemistry | 3 | 30 | 960 | 1039 |
| 584 | Islamic Architecture | 1 | 30 | 221 | 183 |
| 584 | Groundwater | 2 | 30 | 615 | 826 |
| 584 | peptides | 3 | 30 | 772 | 1102 |
| 584 | water reuse | 4 | 30 | 244 | 689 |
| 584 | Middle East | 1 | 30 | 1636 | 1102 |
| 584 | Submersibles | 8 | 30 | 1 | 10 |
| 584 | Women's health | 3 | 30 | 1162 | 1586 |
| 584 | Agriculture | 8 | 30 | 1184 | 2485 |
| 599 | Social Psychology | 4 | 29 | 1834 | 2709 |
| 599 | Nuclear Fusion | 3 | 29 | 534 | 657 |
| 599 | Diagnosis | 2 | 29 | 470 | 583 |
| 599 | body temperature | 3 | 29 | 536 | 901 |
| 599 | Soviet Union | 4 | 29 | 548 | 670 |
| 599 | fusion reactors | 3 | 29 | 379 | 425 |
| 605 | Nanomedicine | 1 | 28 | 491 | 582 |
| 605 | Organizational change | 2 | 28 | 927 | 1118 |
| 605 | Change management | 2 | 28 | 147 | 188 |
| 605 | Strategic planning | 2 | 28 | 964 | 1209 |
| 605 | Phytotherapy | 2 | 28 | 855 | 1225 |
| 605 | cloning | 1 | 28 | 779 | 935 |
| 611 | Human Geography | 2 | 27 | 1266 | 1369 |
| 611 | Child welfare | 1 | 27 | 1664 | 1431 |
| 611 | Evolutionary Computation | 4 | 27 | 370 | 924 |
| 611 | Asymmetric synthesis | 5 | 27 | 37 | 194 |
| 611 | Marine resources | 5 | 27 | 456 | 1143 |
| 611 | Light | 2 | 27 | 995 | 1358 |
| 611 | venom | 3 | 27 | 712 | 1175 |
| 618 | Soil dynamics | 2 | 26 | 616 | 835 |
| 618 | Biomechanics | 1 | 26 | 1826 | 1780 |
| 620 | Molecular Pharmacology | 1 | 25 | 1100 | 1300 |
| 620 | Digital electronics | 6 | 25 | 175 | 358 |
| 620 | Mental Health | 3 | 25 | 1471 | 2017 |
| 620 | Antarctica | 3 | 25 | 518 | 719 |
| 620 | Planets | 1 | 25 | 1685 | 1842 |
| 620 | Cheminformatics | 1 | 25 | 571 | 647 |
| 626 | Combinatorial chemistry | 2 | 24 | 808 | 1274 |
| 626 | diffusion | 1 | 24 | 616 | 192 |
| 626 | Risk assessment | 3 | 24 | 620 | 1070 |
| 626 | Fractional Calculus | 2 | 24 | 208 | 287 |
| 626 | Information management | 5 | 24 | 27 | 162 |
| 626 | Textile industry | 4 | 24 | 398 | 611 |
| 632 | Astronomy | 4 | 23 | 2022 | 2702 |
| 632 | Ecological Engineering | 2 | 23 | 790 | 1373 |
| 632 | Architectural Acoustics | 1 | 23 | 119 | 61 |
| 632 | Alternative Medicine | 2 | 23 | 1767 | 2404 |
| 632 | Zeolites | 3 | 23 | 928 | 1601 |
| 632 | Latin America | 3 | 23 | 1137 | 1150 |
| 632 | Semantic web | 1 | 23 | 197 | 219 |
| 639 | Chemical Ecology | 2 | 22 | 623 | 981 |
| 639 | Mineralogy | 6 | 22 | 885 | 1631 |
| 639 | Biochemical Genetics | 1 | 22 | 856 | 599 |
| 639 | Food Preservation | 4 | 22 | 700 | 1178 |
| 639 | dietary supplements | 2 | 22 | 1068 | 1624 |
| 639 | Raman spectroscopy | 3 | 22 | 799 | 1307 |
| 639 | Bioprinting | 1 | 22 | 102 | 150 |
| 639 | water supply | 1 | 22 | 1258 | 1434 |
| 647 | Pathology | 1 | 21 | 2126 | 2303 |
| 647 | Paleoclimatology | 3 | 21 | 1011 | 1548 |
| 647 | Bioenergetics | 1 | 21 | 1216 | 1401 |
| 647 | Paleoecology | 3 | 21 | 985 | 1474 |
| 647 | Cryptography | 5 | 21 | 476 | 790 |
| 647 | Psychiatric Nursing | 1 | 21 | 1047 | 1032 |
| 647 | Geochemistry | 5 | 21 | 1405 | 2483 |
| 647 | Nanophotonics | 1 | 21 | 552 | 642 |
| 647 | Brain-Computer Interfaces | 4 | 21 | 10 | 85 |
| 647 | Anti-inflammatory agents | 4 | 21 | 171 | 566 |
| 647 | occupational diseases | 1 | 21 | 1141 | 1310 |
| 647 | Paleogeography | 3 | 21 | 901 | 1358 |
| 647 | environmental remediation | 2 | 21 | 480 | 817 |
| 647 | food contamination | 3 | 21 | 1013 | 1579 |
| 647 | disease susceptibility | 1 | 21 | 115 | 220 |
| 647 | High performance computing | 5 | 21 | 18 | 70 |
| 647 | symptoms | 1 | 21 | 115 | 220 |
| 664 | Dermatology | 1 | 20 | 1757 | 1753 |
| 664 | Sustainable agriculture | 3 | 20 | 690 | 1332 |
| 664 | Combinatorial optimization | 3 | 20 | 535 | 723 |
| 664 | Mass Spectrometry | 2 | 20 | 1182 | 1458 |
| 664 | Laser therapy | 1 | 20 | 740 | 677 |
| 664 | Watershed management | 2 | 20 | 292 | 434 |
| 664 | Infrared spectroscopy | 2 | 20 | 424 | 751 |
| 664 | Cosmochemistry | 4 | 20 | 732 | 1391 |
| 664 | X-rays | 3 | 20 | 515 | 728 |
| 664 | bioluminescence | 5 | 20 | 216 | 607 |
| 664 | brain mapping | 1 | 20 | 794 | 995 |
| 664 | gene transfer | 1 | 20 | 451 | 514 |
| 664 | genetic transformation | 1 | 20 | 451 | 514 |
| 677 | Agricultural Engineering | 7 | 19 | 222 | 864 |
| 677 | carcinogens | 2 | 19 | 1023 | 1529 |
| 679 | Ergonomics | 1 | 18 | 1346 | 1371 |
| 679 | Proteomics | 1 | 18 | 1387 | 1637 |
| 679 | Chemotherapy | 2 | 18 | 1123 | 1517 |
| 679 | Differential Equations | 2 | 18 | 1250 | 1322 |
| 679 | Emulsions | 5 | 18 | 241 | 685 |
| 679 | drug therapy | 2 | 18 | 1678 | 2209 |
| 679 | Trace elements | 1 | 18 | 523 | 721 |
| 679 | liver | 1 | 18 | 477 | 525 |
| 679 | Psychophysiology | 3 | 18 | 2226 | 3239 |
| 679 | Liver diseases | 1 | 18 | 1364 | 1581 |
| 689 | Engineering Physics | 1 | 17 | 193 | 98 |
| 689 | Seismology | 1 | 17 | 708 | 731 |
| 689 | Hydraulic Engineering | 1 | 17 | 1241 | 1277 |
| 689 | Histocompatibility Testing | 2 | 17 | 539 | 785 |
| 689 | Marine Pollution | 3 | 17 | 1146 | 2089 |
| 689 | Protective coatings | 3 | 17 | 145 | 289 |
| 689 | ports | 1 | 17 | 365 | 477 |
| 689 | Earthquakes | 1 | 17 | 583 | 598 |
| 689 | Waterways | 1 | 17 | 170 | 167 |
| 689 | Harbors | 1 | 17 | 180 | 171 |
| 689 | Japan | 3 | 17 | 1713 | 2432 |
| 689 | Atomic spectroscopy | 2 | 17 | 1274 | 1553 |
| 689 | mathematical concepts | 2 | 17 | 518 | 656 |
| 689 | Entomology | 4 | 17 | 1853 | 2637 |
| 703 | Ophthalmology | 2 | 16 | 1580 | 2073 |
| 703 | Horticulture | 1 | 16 | 1214 | 1268 |
| 703 | Geosynthetics | 2 | 16 | 113 | 199 |
| 703 | Plant Biotechnology | 1 | 16 | 1208 | 1353 |
| 703 | Computational Fluid Dynamics | 3 | 16 | 651 | 1139 |
| 703 | Knowledge management | 2 | 16 | 607 | 945 |
| 703 | microwave communication systems | 3 | 16 | 379 | 676 |
| 703 | plasma spraying | 2 | 16 | 282 | 472 |
| 703 | Wind power | 2 | 16 | 378 | 570 |
| 703 | pheromones | 1 | 16 | 761 | 985 |
| 703 | cell interaction | 3 | 16 | 915 | 1633 |
| 703 | biological evolution | 2 | 16 | 2083 | 2906 |
| 703 | winds | 2 | 16 | 146 | 220 |
| 703 | Microwave devices | 3 | 16 | 462 | 739 |
| 717 | Global Health | 2 | 15 | 1241 | 1751 |
| 717 | Nuclear Medicine | 3 | 15 | 769 | 1135 |
| 717 | Highway Engineering | 2 | 15 | 471 | 745 |
| 717 | Schizophrenia | 2 | 15 | 947 | 1352 |
| 717 | Molecular Imaging | 2 | 15 | 569 | 869 |
| 717 | Vaccination | 2 | 15 | 289 | 590 |
| 717 | Diagnostic microbiology | 1 | 15 | 1214 | 1599 |
| 717 | Alloys | 3 | 15 | 279 | 411 |
| 717 | Chemical structure | 3 | 15 | 521 | 930 |
| 717 | ground penetrating radar | 6 | 15 | 12 | 134 |
| 727 | Radiology | 3 | 14 | 1169 | 1670 |
| 727 | Geriatric Medicine | 2 | 14 | 198 | 437 |
| 727 | Serology | 1 | 14 | 860 | 1045 |
| 727 | Crystallography | 3 | 14 | 1565 | 1754 |
| 727 | Water Microbiology | 2 | 14 | 570 | 1128 |
| 727 | plant viruses | 1 | 14 | 324 | 470 |
| 727 | marketing | 3 | 14 | 1844 | 2846 |
| 727 | commerce | 3 | 14 | 1577 | 2495 |
| 727 | Fouling | 2 | 14 | 287 | 681 |
| 736 | Statistics | 7 | 13 | 1672 | 2767 |
| 736 | Neonatology | 1 | 13 | 942 | 1144 |
| 736 | Invertebrates | 1 | 13 | 975 | 1160 |
| 739 | Product Design | 1 | 12 | 797 | 869 |
| 739 | Regional Planning | 1 | 12 | 2084 | 2281 |
| 739 | Tourism | 3 | 12 | 1661 | 2861 |
| 739 | Formal Languages | 2 | 12 | 393 | 480 |
| 739 | Mitochondria | 2 | 12 | 336 | 733 |
| 739 | nucleotides | 4 | 12 | 266 | 527 |
| 739 | irrigation | 2 | 12 | 431 | 694 |
| 739 | drainage | 2 | 12 | 355 | 546 |
| 739 | construction industry | 1 | 12 | 287 | 366 |
| 739 | Urban Areas | 1 | 12 | 466 | 559 |
| 739 | Cerebral cortex | 1 | 12 | 1130 | 1413 |
| 750 | Public Relations | 2 | 11 | 563 | 957 |
| 750 | Public Administration | 3 | 11 | 1326 | 2017 |
| 750 | Supply Chain Management | 1 | 11 | 81 | 132 |
| 750 | Cell communication | 2 | 11 | 678 | 1259 |
| 754 | Palliative Care | 3 | 10 | 715 | 1360 |
| 754 | Marine Geology | 1 | 10 | 900 | 1090 |
| 754 | Evolutionary Genetics | 1 | 10 | 1124 | 1477 |
| 754 | Molecular Epidemiology | 1 | 10 | 1124 | 1477 |
| 754 | Molecular Genetics | 2 | 10 | 1755 | 2709 |
| 754 | drug resistance | 2 | 10 | 857 | 1542 |
| 754 | Marine Geophysics | 1 | 10 | 491 | 609 |
| 754 | Multilingualism | 2 | 10 | 384 | 741 |
| 754 | Marine mineral resources | 1 | 10 | 318 | 390 |
| 754 | Adaptive control systems | 4 | 10 | 509 | 1166 |
| 754 | Hormones | 3 | 10 | 1049 | 1911 |
| 754 | indoor air pollution | 1 | 10 | 675 | 959 |
| 754 | Sick building syndrome | 1 | 10 | 675 | 959 |
| 754 | Health Risk Assessment | 2 | 10 | 592 | 1134 |
| 754 | Seabed | 1 | 10 | 318 | 390 |
| 769 | Naval Architecture | 4 | 9 | 249 | 622 |
| 769 | Regenerative Medicine | 5 | 9 | 73 | 476 |
| 769 | E-Learning | 1 | 9 | 22 | 44 |
| 769 | ecological risk assessment | 1 | 9 | 523 | 796 |
| 769 | complementary therapies | 1 | 9 | 2547 | 3099 |
| 769 | Machining | 5 | 9 | 66 | 378 |
| 769 | Electromagnetic interference | 1 | 9 | 32 | 34 |
| 769 | Turbulence | 1 | 9 | 399 | 518 |
| 769 | hazard mitigation | 2 | 9 | 1171 | 2033 |
| 769 | Web-based instruction | 1 | 9 | 48 | 110 |
| 769 | pottery | 3 | 9 | 957 | 1712 |
| 769 | Informatics | 2 | 9 | 988 | 1600 |
| 781 | Phytochemistry | 1 | 8 | 631 | 970 |
| 781 | Clinical Immunology | 2 | 8 | 989 | 1523 |
| 781 | Radiography | 1 | 8 | 1020 | 1334 |
| 781 | Animal Behavior | 1 | 8 | 2280 | 2859 |
| 781 | Algorithms | 2 | 8 | 916 | 1354 |
| 781 | Cross-Cultural Studies | 1 | 8 | 1274 | 1613 |
| 781 | Expert Systems | 2 | 8 | 303 | 706 |
| 781 | Phytoremediation | 1 | 8 | 631 | 970 |
| 781 | Ethology | 1 | 8 | 1820 | 2385 |
| 781 | Bioreactors | 1 | 8 | 631 | 970 |
| 781 | Wetland ecology | 1 | 8 | 830 | 1097 |
| 781 | Ferroelectricity | 3 | 8 | 980 | 1476 |
| 781 | Minority Health | 1 | 8 | 204 | 292 |
| 781 | cross-cultural comparison | 1 | 8 | 932 | 1214 |
| 781 | Water chemistry | 3 | 8 | 312 | 1070 |
| 781 | wetland management | 1 | 8 | 360 | 572 |
| 781 | packaging | 1 | 8 | 257 | 437 |
| 798 | Agricultural Chemistry | 1 | 7 | 2717 | 3275 |
| 798 | Public Policy | 3 | 7 | 1603 | 3114 |
| 798 | Regeneration | 1 | 7 | 140 | 258 |
| 798 | Behavioral research | 3 | 7 | 604 | 1518 |
| 798 | Noise | 1 | 7 | 310 | 414 |
| 798 | Mental Health Services | 2 | 7 | 1224 | 2027 |
| 798 | Nanomanufacturing | 1 | 7 | 241 | 244 |
| 798 | Plant breeding | 2 | 7 | 863 | 1543 |
| 798 | Freezing | 3 | 7 | 283 | 614 |
| 798 | international trade | 1 | 7 | 1283 | 1534 |
| 798 | Plant hormones | 1 | 7 | 576 | 948 |
| 798 | Sound | 1 | 7 | 1542 | 1698 |
| 798 | heredity | 2 | 7 | 739 | 1280 |
| 798 | probabilities | 3 | 7 | 1304 | 1778 |
| 798 | Steroids | 2 | 7 | 994 | 1678 |
| 798 | Drug discovery | 1 | 7 | 469 | 739 |
| 798 | Spine | 1 | 7 | 812 | 1083 |
| 798 | Australia | 2 | 7 | 2054 | 3111 |
| 798 | Breeding | 2 | 7 | 1271 | 2041 |
| 817 | Occupational Therapy | 1 | 6 | 1545 | 1668 |
| 817 | Sustainable Design | 1 | 6 | 40 | 113 |
| 817 | Occupational Health | 1 | 6 | 1605 | 1926 |
| 817 | Industrial Safety | 1 | 6 | 1833 | 2239 |
| 817 | industrial hygiene | 1 | 6 | 1618 | 1871 |
| 817 | Ecohydrology | 1 | 6 | 699 | 973 |
| 817 | Medical Ethics | 1 | 6 | 1616 | 1920 |
| 817 | Metallic Glasses | 2 | 6 | 547 | 1000 |
| 817 | Graphene | 1 | 6 | 257 | 485 |
| 817 | Parasitology | 2 | 6 | 2288 | 3238 |
| 817 | glycoproteins | 1 | 6 | 674 | 997 |
| 817 | Glycoconjugates | 1 | 6 | 674 | 997 |
| 817 | Oligosaccharides | 1 | 6 | 448 | 694 |
| 817 | information warfare | 6 | 6 | 11 | 124 |
| 817 | Product life cycle | 1 | 6 | 527 | 823 |
| 817 | electrocatalysis | 3 | 6 | 90 | 458 |
| 817 | Post-traumatic stress disorder | 1 | 6 | 1141 | 1553 |
| 817 | freshwater biology | 1 | 6 | 1396 | 1800 |
| 817 | glycolipids | 1 | 6 | 674 | 997 |
| 817 | Bereavement | 1 | 6 | 403 | 560 |
| 837 | Arts | 5 | 5 | 276 | 772 |
| 837 | Transportation Engineering | 1 | 5 | 502 | 771 |
| 837 | Clinical Psychology | 1 | 5 | 1559 | 2050 |
| 837 | Health Policy | 2 | 5 | 2134 | 3302 |
| 837 | Databases | 1 | 5 | 579 | 806 |
| 837 | Flexible manufacturing systems | 1 | 5 | 783 | 1211 |
| 837 | adolescence | 1 | 5 | 1439 | 1962 |
| 837 | Adolescent Psychology | 1 | 5 | 1238 | 1678 |
| 837 | Electron Microscopy | 1 | 5 | 634 | 847 |
| 837 | Obesity | 2 | 5 | 1776 | 2906 |
| 837 | Investment analysis | 1 | 5 | 1583 | 1941 |
| 837 | polar regions | 1 | 5 | 933 | 1254 |
| 837 | Eastern Europe | 1 | 5 | 1509 | 1704 |
| 837 | ovary | 1 | 5 | 381 | 670 |
| 837 | Social interaction | 1 | 5 | 617 | 922 |
| 837 | supercritical fluids | 1 | 5 | 679 | 1055 |
| 837 | Germany | 1 | 5 | 1136 | 1157 |
| 837 | psychotherapy | 1 | 5 | 1696 | 2078 |
| 837 | human development | 1 | 5 | 1228 | 1745 |
| 837 | Youth | 1 | 5 | 1078 | 1549 |
| 837 | Microscopy | 2 | 5 | 1583 | 2416 |
| 837 | United Kingdom | 1 | 5 | 1919 | 2429 |
| 837 | wood | 2 | 5 | 551 | 1044 |
| 837 | Cell metabolism | 2 | 5 | 736 | 1430 |
| 837 | deviant behavior | 1 | 5 | 538 | 720 |
| 837 | Muscle contraction | 1 | 5 | 693 | 800 |
| 863 | Anthropology | 7 | 4 | 975 | 2456 |
| 863 | Cognitive Psychology | 7 | 4 | 245 | 979 |
| 863 | Surveying | 1 | 4 | 265 | 370 |
| 863 | Cartography | 1 | 4 | 828 | 1014 |
| 863 | Quality Management | 1 | 4 | 376 | 610 |
| 863 | Forensic Psychology | 2 | 4 | 474 | 877 |
| 863 | Cytogenetics | 3 | 4 | 1108 | 2201 |
| 863 | Conservation Biology | 1 | 4 | 1547 | 2057 |
| 863 | Agronomy | 2 | 4 | 508 | 1179 |
| 863 | Forensic Psychiatry | 2 | 4 | 605 | 1077 |
| 863 | Coastal zone management | 1 | 4 | 1076 | 1644 |
| 863 | Geodesy | 1 | 4 | 1266 | 1770 |
| 863 | Psychoanalysis | 1 | 4 | 580 | 606 |
| 863 | Water Conservation | 1 | 4 | 167 | 363 |
| 863 | Biogeochemistry | 1 | 4 | 1446 | 2058 |
| 863 | Water quality | 1 | 4 | 523 | 961 |
| 863 | Quantum Optics | 1 | 4 | 1255 | 1563 |
| 863 | Mycology | 1 | 4 | 1974 | 2514 |
| 863 | Antibodies | 1 | 4 | 758 | 1099 |
| 863 | Antigens | 1 | 4 | 929 | 1300 |
| 863 | Communication in politics | 1 | 4 | 518 | 760 |
| 863 | Microorganisms | 3 | 4 | 959 | 1956 |
| 863 | Glass | 1 | 4 | 1451 | 1937 |
| 863 | Fungi | 1 | 4 | 1391 | 1893 |
| 863 | Laser Spectroscopy | 1 | 4 | 1195 | 1510 |
| 863 | Plasma devices | 1 | 4 | 478 | 695 |
| 889 | Law | 1 | 3 | 1835 | 1913 |
| 889 | Systems Theory | 1 | 3 | 814 | 1193 |
| 889 | Embryology | 1 | 3 | 1649 | 2223 |
| 889 | Traffic Engineering | 1 | 3 | 717 | 1111 |
| 889 | Clinical Biochemistry | 1 | 3 | 1499 | 1986 |
| 889 | Probability | 1 | 3 | 916 | 1306 |
| 889 | Pharmacogenomics | 1 | 3 | 486 | 784 |
| 889 | hospice care | 1 | 3 | 838 | 1315 |
| 889 | Ion Exchange | 1 | 3 | 216 | 348 |
| 889 | Hydrodynamics | 1 | 3 | 824 | 1260 |
| 889 | civil rights | 1 | 3 | 712 | 1039 |
| 889 | Scheduling | 1 | 3 | 274 | 475 |
| 889 | Production Scheduling | 1 | 3 | 274 | 475 |
| 889 | Business Intelligence | 1 | 3 | 77 | 158 |
| 889 | Social policy | 2 | 3 | 1241 | 2211 |
| 889 | Sexuality | 1 | 3 | 555 | 868 |
| 889 | Parasitic Diseases | 1 | 3 | 2312 | 2962 |
| 889 | Broadcasting | 1 | 3 | 360 | 619 |
| 889 | Solvent extraction | 1 | 3 | 216 | 348 |
| 889 | industrial relations | 1 | 3 | 1315 | 1809 |
| 889 | Carbohydrates | 1 | 3 | 673 | 1023 |
| 889 | Microbiota | 1 | 3 | 197 | 425 |
| 889 | Islam | 1 | 3 | 861 | 1119 |
| 889 | Parasites | 1 | 3 | 2071 | 2720 |
| 889 | Employee rights | 1 | 3 | 195 | 338 |
| 889 | Electromagnetic fields | 2 | 3 | 512 | 934 |
| 889 | Pathogens | 1 | 3 | 244 | 557 |
| 889 | Climate | 1 | 3 | 1003 | 1591 |
| 889 | weather | 1 | 3 | 976 | 1560 |
| 889 | European Union | 1 | 3 | 312 | 482 |
| 889 | tomography | 1 | 3 | 558 | 782 |
| 889 | Growth | 1 | 3 | 1316 | 1849 |
| 889 | violence | 1 | 3 | 1463 | 2094 |
| 889 | Aggression | 1 | 3 | 804 | 1304 |
| 889 | traffic safety | 1 | 3 | 527 | 912 |
| 889 | Europe | 1 | 3 | 3652 | 4328 |
| 889 | sexual behavior | 1 | 3 | 1069 | 1621 |
| 889 | vitamins | 1 | 3 | 284 | 576 |
| 927 | Literature | 1 | 2 | 1221 | 919 |
| 927 | Marine Engineering | 2 | 2 | 316 | 656 |
| 927 | Oceanography | 1 | 2 | 2004 | 2756 |
| 927 | Structural optimization | 1 | 2 | 608 | 935 |
| 927 | Human genetics | 2 | 2 | 1562 | 2590 |
| 927 | Economic Development | 1 | 2 | 2246 | 3021 |
| 927 | Tissue Engineering | 3 | 2 | 340 | 947 |
| 927 | Labor Economics | 1 | 2 | 831 | 1179 |
| 927 | Animal health | 2 | 2 | 590 | 1126 |
| 927 | Reproductive health | 2 | 2 | 865 | 1768 |
| 927 | Marine invertebrates | 1 | 2 | 442 | 713 |
| 927 | Diffusion of innovations | 2 | 2 | 127 | 569 |
| 927 | economic policy | 3 | 2 | 2221 | 3741 |
| 927 | Cytoskeleton | 1 | 2 | 429 | 722 |
| 927 | Business Ethics | 1 | 2 | 1552 | 2177 |
| 927 | food handling | 1 | 2 | 1447 | 2188 |
| 927 | Electrophysiology | 1 | 2 | 1214 | 1656 |
| 927 | Reproduction | 2 | 2 | 2046 | 3159 |
| 927 | fishing industry | 1 | 2 | 238 | 488 |
| 927 | Therapeutics | 1 | 2 | 1862 | 2626 |
| 927 | healthcare industry | 1 | 2 | 105 | 350 |
| 927 | mammals | 2 | 2 | 1119 | 1939 |
| 927 | Iran | 1 | 2 | 312 | 448 |
| 927 | rehabilitation | 1 | 2 | 2717 | 3638 |
| 927 | Commercial vehicles | 1 | 2 | 20 | 28 |
| 927 | Bacteriophages | 1 | 2 | 66 | 175 |
| 927 | drug evaluation | 1 | 2 | 1710 | 2389 |
| 927 | Fisheries | 1 | 2 | 2069 | 2696 |
| 927 | Genes | 1 | 2 | 1549 | 2219 |
| 956 | Surgery | 1 | 1 | 1590 | 2051 |
| 956 | Applied Mathematics | 3 | 1 | 233 | 754 |
| 956 | Architecture | 1 | 1 | 897 | 1165 |
| 956 | Geometry | 1 | 1 | 1660 | 1999 |
| 956 | Graph Theory | 2 | 1 | 916 | 1512 |
| 956 | General Surgery | 1 | 1 | 757 | 1084 |
| 956 | Plant Morphology | 1 | 1 | 988 | 1498 |
| 956 | Sports Medicine | 1 | 1 | 3034 | 3657 |
| 956 | Mental Disorders | 1 | 1 | 3025 | 3987 |
| 956 | Functional equations | 2 | 1 | 300 | 702 |
| 956 | preventive medicine | 1 | 1 | 1535 | 2276 |
| 956 | Global warming | 2 | 1 | 191 | 595 |
| 956 | global environmental change | 1 | 1 | 1223 | 1992 |
| 956 | Developmental Immunology | 1 | 1 | 917 | 1355 |
| 956 | Microbial Metabolism | 1 | 1 | 417 | 855 |
| 956 | Mobile Commerce | 1 | 1 | 49 | 164 |
| 956 | Physical fitness | 1 | 1 | 1493 | 2129 |
| 956 | Sulfur | 1 | 1 | 245 | 551 |
| 956 | fame | 1 | 1 | 134 | 272 |
| 956 | Fossil fuels | 2 | 1 | 107 | 304 |
| 956 | Trademarks | 2 | 1 | 103 | 448 |
| 956 | Customer Relations | 1 | 1 | 185 | 407 |
| 956 | disease vectors | 1 | 1 | 1359 | 2022 |
| 956 | Host-parasite interactions | 1 | 1 | 1507 | 2237 |
| 956 | grief | 1 | 1 | 167 | 326 |
| 956 | Combinatorial analysis | 2 | 1 | 1188 | 1768 |
| 956 | public works | 2 | 1 | 202 | 514 |
| 956 | Jurisprudence | 2 | 1 | 1034 | 1863 |
| 956 | pain | 1 | 1 | 1593 | 2179 |
| 956 | environmental issues | 1 | 1 | 770 | 1413 |
| 956 | applications | 1 | 1 | 136 | 271 |
| 956 | Zoonoses | 1 | 1 | 510 | 945 |
| 988 | Crime prevention | 1 | 0 | 459 | 811 |
| 988 | Health Physics | 1 | 0 | 330 | 599 |
| 988 | nutrition policy | 1 | 0 | 195 | 527 |
| 988 | Dynamic programming | 1 | 0 | 45 | 95 |
| 988 | Flow Visualization | 1 | 0 | 145 | 235 |
| 988 | Intellectual Property | 1 | 0 | 407 | 703 |
| 988 | Open source software | 1 | 0 | 159 | 337 |
| 988 | Thin Films | 1 | 0 | 892 | 1411 |
| 988 | monoclonal antibodies | 1 | 0 | 467 | 777 |
| 988 | Humanism | 1 | 0 | 147 | 216 |
| 988 | women's rights | 1 | 0 | 296 | 620 |
| 988 | nuclear magnetic resonance | 1 | 0 | 1249 | 1765 |
| 988 | Sexual health | 1 | 0 | 1019 | 1434 |