| 1 | Materials | 143 | 7.2K | 1129 | 869 |
| 2 | Nanotechnology | 152 | 7.0K | 743 | 740 |
| 3 | Catalysis | 91 | 6.6K | 809 | 527 |
| 4 | Chemical Engineering | 183 | 6.4K | 525 | 586 |
| 5 | Biochemical Engineering | 104 | 5.1K | 380 | 581 |
| 6 | Nanostructured Materials | 94 | 5.1K | 537 | 368 |
| 7 | Materials Science | 67 | 4.1K | 1221 | 840 |
| 8 | Energy Policy | 102 | 3.4K | 198 | 338 |
| 9 | Chemistry | 135 | 3.1K | 2125 | 2874 |
| 10 | Electrochemistry | 97 | 2.8K | 775 | 645 |
| 11 | Physics | 115 | 2.6K | 2374 | 3963 |
| 12 | Biocompatible Materials | 44 | 2.6K | 1216 | 1035 |
| 13 | Renewable Energy Sources | 97 | 2.2K | 174 | 646 |
| 14 | Pollution | 56 | 2.1K | 1497 | 1748 |
| 15 | energy conservation | 60 | 2.0K | 203 | 328 |
| 16 | Surface Chemistry | 66 | 1.9K | 904 | 977 |
| 17 | Water | 38 | 1.8K | 680 | 739 |
| 17 | Optical materials | 36 | 1.8K | 824 | 699 |
| 19 | Colloids | 46 | 1.7K | 1140 | 1105 |
| 20 | Water pollution | 37 | 1.7K | 764 | 721 |
| 21 | nanoscience | 45 | 1.6K | 772 | 951 |
| 22 | coal | 45 | 1.5K | 266 | 329 |
| 23 | Ecology | 49 | 1.5K | 2038 | 2524 |
| 24 | Environment | 46 | 1.4K | 1463 | 2313 |
| 25 | environmental pollution | 47 | 1.3K | 1247 | 1578 |
| 26 | Nanoparticles | 42 | 1.3K | 333 | 436 |
| 27 | Electrical Engineering | 118 | 1.3K | 469 | 370 |
| 28 | fuel cells | 21 | 1.2K | 460 | 444 |
| 29 | Green Chemistry | 34 | 1.2K | 421 | 608 |
| 30 | Environmental monitoring | 31 | 1.2K | 1298 | 1402 |
| 31 | Sustainable Engineering | 36 | 1.1K | 314 | 428 |
| 32 | Biotechnology | 34 | 1.1K | 2475 | 2776 |
| 33 | Biomass Energy | 32 | 1.0K | 710 | 948 |
| 34 | Environmental Health | 25 | 958 | 2393 | 2360 |
| 35 | Science | 27 | 951 | 5593 | 6356 |
| 36 | Bioengineering | 29 | 949 | 1664 | 2139 |
| 37 | miniaturization | 26 | 902 | 608 | 862 |
| 38 | Solar Energy | 34 | 762 | 291 | 560 |
| 39 | Environmental Engineering | 25 | 717 | 1460 | 1725 |
| 40 | Biology | 18 | 650 | 6174 | 6835 |
| 41 | Heat Exchangers | 25 | 634 | 271 | 426 |
| 42 | Molecular Biology | 12 | 608 | 5748 | 5270 |
| 43 | Environmental Policy | 11 | 607 | 1983 | 1786 |
| 44 | sanitation | 8 | 578 | 1150 | 1120 |
| 45 | Microelectronics | 10 | 559 | 1237 | 974 |
| 46 | Optics | 54 | 553 | 1445 | 1824 |
| 47 | Automation | 35 | 532 | 416 | 717 |
| 48 | Electronics | 45 | 505 | 1030 | 1346 |
| 49 | Biomedical Engineering | 29 | 472 | 1945 | 2694 |
| 50 | Neural circuitry | 17 | 439 | 771 | 912 |
| 51 | energy resources | 11 | 416 | 718 | 1044 |
| 52 | Energy Conversion | 13 | 408 | 625 | 989 |
| 53 | Polymers | 10 | 398 | 3339 | 2592 |
| 54 | Environmental Chemistry | 12 | 395 | 1171 | 1473 |
| 55 | Environmental Management | 14 | 394 | 1512 | 2004 |
| 56 | polymerization | 9 | 393 | 2930 | 2188 |
| 57 | Multimedia Systems | 39 | 384 | 230 | 430 |
| 58 | Energy Storage | 18 | 381 | 450 | 663 |
| 59 | Sustainable Development | 4 | 371 | 2181 | 1155 |
| 60 | Signal Processing | 28 | 359 | 540 | 802 |
| 61 | Economic Development | 2 | 358 | 2534 | 1052 |
| 62 | sustainability | 2 | 355 | 1216 | 532 |
| 63 | Photonics | 14 | 346 | 936 | 1236 |
| 64 | Information Science | 4 | 345 | 2626 | 1360 |
| 65 | Artificial Intelligence | 27 | 337 | 1428 | 2025 |
| 66 | environmental protection | 12 | 304 | 2088 | 2467 |
| 67 | Biophysics | 5 | 303 | 5923 | 4274 |
| 68 | Nuclear Engineering | 22 | 291 | 495 | 451 |
| 68 | Nuclear Energy | 21 | 291 | 417 | 460 |
| 70 | China | 24 | 284 | 1015 | 1519 |
| 71 | Composite Materials | 8 | 271 | 2002 | 2041 |
| 72 | Solid State Physics | 21 | 256 | 2031 | 2479 |
| 73 | Nuclear Physics | 14 | 253 | 2769 | 2787 |
| 74 | internet | 13 | 248 | 498 | 595 |
| 75 | Internet of Things | 13 | 247 | 249 | 287 |
| 76 | Power Electronics | 24 | 246 | 138 | 294 |
| 77 | Magnetic Materials | 11 | 239 | 879 | 1006 |
| 78 | Environmental Toxicology | 3 | 225 | 3012 | 2240 |
| 79 | actuators | 7 | 217 | 1737 | 1839 |
| 79 | transducers | 7 | 217 | 1737 | 1839 |
| 81 | Toxicology | 2 | 215 | 6748 | 4237 |
| 81 | pollutants | 2 | 215 | 2754 | 1660 |
| 81 | Environmental pollutants | 2 | 215 | 3273 | 1903 |
| 81 | environmental exposure | 2 | 215 | 2964 | 1528 |
| 85 | infrared radiation | 11 | 213 | 249 | 193 |
| 85 | Solid State Chemistry | 13 | 213 | 1503 | 1646 |
| 87 | Image Processing | 46 | 209 | 339 | 1496 |
| 88 | Analytical Chemistry | 13 | 203 | 2925 | 3689 |
| 89 | carbon monoxide | 5 | 195 | 191 | 251 |
| 90 | Metallurgy | 11 | 192 | 1600 | 1755 |
| 91 | World Wide Web | 3 | 186 | 466 | 135 |
| 92 | Control Theory | 17 | 184 | 750 | 985 |
| 93 | Mathematics | 33 | 176 | 2608 | 3645 |
| 93 | Optical Communications | 4 | 176 | 573 | 308 |
| 95 | Systems Engineering | 14 | 175 | 991 | 1237 |
| 96 | Engineering | 21 | 174 | 1963 | 2927 |
| 97 | Energy Harvesting | 2 | 172 | 625 | 616 |
| 98 | mass transfer | 12 | 169 | 895 | 1398 |
| 99 | Economics | 2 | 168 | 5584 | 2799 |
| 100 | finance | 2 | 167 | 3082 | 1536 |
| 101 | Probability | 1 | 166 | 1264 | 463 |
| 101 | Risk Management | 1 | 166 | 1698 | 510 |
| 101 | Financial management | 1 | 166 | 1111 | 498 |
| 101 | Risk | 1 | 166 | 1230 | 470 |
| 105 | Biosensors | 4 | 153 | 1307 | 1631 |
| 105 | Bioelectronics | 4 | 153 | 1110 | 1475 |
| 107 | Manufacturing Processes | 7 | 147 | 1813 | 1907 |
| 108 | Bioremediation | 3 | 146 | 961 | 724 |
| 109 | Measurement | 8 | 145 | 777 | 935 |
| 110 | Waste management | 11 | 141 | 731 | 1022 |
| 111 | solar power | 8 | 140 | 496 | 949 |
| 111 | Water Purification | 10 | 140 | 603 | 826 |
| 111 | Water quality management | 10 | 140 | 1095 | 1446 |
| 111 | solar cells | 8 | 140 | 549 | 1044 |
| 115 | Carbon | 6 | 139 | 1114 | 1617 |
| 116 | Membranes | 5 | 133 | 1709 | 2089 |
| 116 | Recycling | 3 | 133 | 660 | 940 |
| 118 | Biodegradation | 2 | 132 | 1098 | 776 |
| 119 | Nonlinear functional analysis | 7 | 130 | 822 | 815 |
| 120 | System analysis | 12 | 129 | 1411 | 2012 |
| 121 | nuclear power | 5 | 127 | 455 | 248 |
| 122 | Catalysts | 7 | 126 | 452 | 561 |
| 123 | Statistical physics | 13 | 124 | 2345 | 3075 |
| 124 | Production Engineering | 6 | 123 | 1621 | 1476 |
| 125 | lasers | 14 | 119 | 903 | 1343 |
| 126 | Research | 20 | 116 | 5409 | 10363 |
| 127 | Photochemistry | 5 | 115 | 1714 | 1817 |
| 127 | Photobiology | 5 | 115 | 1266 | 1362 |
| 129 | Industrial Engineering | 9 | 113 | 1246 | 1808 |
| 130 | Engineering Mathematics | 31 | 108 | 689 | 1767 |
| 130 | Fuzzy systems | 7 | 108 | 1186 | 1125 |
| 132 | energy development | 13 | 103 | 267 | 1046 |
| 133 | Fluid Dynamics | 5 | 100 | 1067 | 1133 |
| 134 | Quantum electronics | 11 | 97 | 476 | 636 |
| 134 | vibration | 11 | 97 | 690 | 1177 |
| 136 | Telecommunication Systems | 7 | 95 | 1174 | 1296 |
| 136 | Social Change | 3 | 95 | 1131 | 1350 |
| 138 | Optoelectronic devices | 10 | 94 | 395 | 487 |
| 138 | multimedia | 4 | 94 | 182 | 184 |
| 138 | Interactive multimedia | 4 | 94 | 281 | 240 |
| 141 | Electromagnetism | 6 | 93 | 572 | 584 |
| 141 | Computational Intelligence | 6 | 93 | 627 | 708 |
| 141 | Condensed Matter | 13 | 93 | 2295 | 3153 |
| 144 | Electrochemical Analysis | 7 | 92 | 1158 | 1604 |
| 144 | Metals | 8 | 92 | 1709 | 2333 |
| 146 | Combinatorial chemistry | 1 | 90 | 1827 | 1258 |
| 146 | Ocean Engineering | 3 | 90 | 1827 | 1805 |
| 148 | Mechanical Engineering | 13 | 87 | 1429 | 2024 |
| 148 | Dynamics | 3 | 87 | 2127 | 1465 |
| 150 | Diagnostic Imaging | 25 | 84 | 716 | 2420 |
| 151 | Nanochemistry | 7 | 83 | 814 | 1259 |
| 151 | Cybernetics | 2 | 83 | 1934 | 1464 |
| 153 | Semiconductors | 10 | 81 | 1317 | 1971 |
| 154 | computer networks | 11 | 80 | 1423 | 2391 |
| 155 | Systems Analysis | 8 | 77 | 701 | 1159 |
| 156 | Ceramic materials | 2 | 75 | 1887 | 1525 |
| 157 | Combustion | 7 | 73 | 943 | 1501 |
| 158 | Biochemistry | 3 | 72 | 10001 | 10281 |
| 158 | Robotics | 6 | 72 | 1353 | 1840 |
| 158 | Stochastic Processes | 6 | 72 | 687 | 849 |
| 161 | Computer Engineering | 5 | 68 | 637 | 821 |
| 162 | Petroleum Engineering | 3 | 65 | 872 | 926 |
| 162 | Computational Biology | 4 | 65 | 3422 | 4011 |
| 164 | Chemical industry | 3 | 61 | 1647 | 1457 |
| 165 | Computer Science | 8 | 60 | 1543 | 2273 |
| 165 | Energy Consumption | 6 | 60 | 103 | 280 |
| 167 | Detectors | 9 | 58 | 466 | 881 |
| 168 | Structural dynamics | 2 | 56 | 1432 | 1606 |
| 168 | Luminescence | 5 | 56 | 1198 | 1566 |
| 170 | Numerical Analysis | 9 | 55 | 1622 | 2441 |
| 170 | Industrial Safety | 2 | 55 | 1851 | 1563 |
| 172 | Bioinformatics | 3 | 53 | 2657 | 3192 |
| 173 | electric vehicles | 6 | 52 | 127 | 244 |
| 173 | natural gas | 1 | 52 | 860 | 629 |
| 173 | pigments | 4 | 52 | 784 | 1190 |
| 176 | Mechatronics | 1 | 51 | 1462 | 916 |
| 176 | Mathematical Physics | 12 | 51 | 1900 | 2936 |
| 178 | Thin Films | 4 | 49 | 575 | 714 |
| 178 | particles | 5 | 49 | 822 | 1440 |
| 180 | Physical Chemistry | 6 | 44 | 2012 | 3294 |
| 180 | Wireless Communication Systems | 5 | 44 | 1853 | 2274 |
| 182 | Technology | 13 | 43 | 2577 | 5879 |
| 182 | Nervous system | 3 | 43 | 3144 | 4384 |
| 184 | Information Technology | 7 | 41 | 1907 | 3155 |
| 185 | radioactive waste | 1 | 40 | 1615 | 1968 |
| 185 | industrial waste | 1 | 40 | 1666 | 1971 |
| 185 | Hazardous waste | 1 | 40 | 1861 | 2081 |
| 188 | Protective coatings | 6 | 39 | 73 | 156 |
| 188 | Informatics | 5 | 39 | 756 | 1495 |
| 190 | Medicine | 13 | 38 | 8072 | 16292 |
| 190 | Differential Equations | 2 | 38 | 1296 | 1062 |
| 190 | Combinatorial optimization | 5 | 38 | 377 | 505 |
| 193 | Hydrodynamics | 3 | 36 | 656 | 1028 |
| 194 | Intelligent Transportation Systems | 2 | 35 | 1041 | 1153 |
| 194 | Ultrasonics | 1 | 35 | 2097 | 2169 |
| 194 | Sonochemistry | 1 | 35 | 1226 | 1513 |
| 197 | management | 2 | 34 | 4700 | 4918 |
| 198 | Computational Linguistics | 3 | 33 | 638 | 675 |
| 198 | Adsorption | 1 | 33 | 485 | 403 |
| 198 | Solitons | 6 | 33 | 797 | 1701 |
| 198 | Fractals | 6 | 33 | 945 | 1840 |
| 198 | Chaos | 6 | 33 | 797 | 1701 |
| 198 | Broadcasting | 1 | 33 | 381 | 305 |
| 204 | Building Materials | 2 | 32 | 2179 | 2858 |
| 205 | Adaptive control systems | 4 | 31 | 526 | 825 |
| 205 | Crystal growth | 3 | 31 | 1208 | 1750 |
| 205 | Imaging systems | 22 | 31 | 106 | 1070 |
| 205 | Decision making | 1 | 31 | 3214 | 2720 |
| 209 | Mobile Computing | 5 | 29 | 972 | 1586 |
| 209 | Computer Architecture | 3 | 29 | 536 | 698 |
| 209 | Microprocessors | 3 | 29 | 633 | 885 |
| 209 | Interfaces | 2 | 29 | 484 | 560 |
| 213 | Sustainable Architecture | 5 | 28 | 80 | 212 |
| 213 | arthritis | 1 | 28 | 2438 | 2788 |
| 213 | Microscopy | 6 | 28 | 1450 | 2648 |
| 216 | Hydrology | 5 | 26 | 2415 | 4118 |
| 216 | Organic Chemistry | 3 | 26 | 3673 | 4904 |
| 216 | Process Control | 1 | 26 | 1630 | 1977 |
| 216 | micromechanics | 1 | 26 | 1170 | 1158 |
| 216 | Porous materials | 4 | 26 | 735 | 1251 |
| 216 | health planning | 4 | 26 | 2355 | 3892 |
| 222 | Human-Computer Interaction | 2 | 25 | 2191 | 2779 |
| 223 | Fiber Optics | 4 | 24 | 481 | 750 |
| 224 | Graph Theory | 4 | 23 | 792 | 921 |
| 224 | Nanoelectronics | 2 | 23 | 1249 | 1399 |
| 224 | Metallic Glasses | 2 | 23 | 628 | 925 |
| 224 | Quantum Optics | 2 | 23 | 1283 | 1486 |
| 224 | Combinatorial analysis | 4 | 23 | 1109 | 1205 |
| 224 | Atomic spectroscopy | 2 | 23 | 1642 | 1982 |
| 224 | Laser Spectroscopy | 2 | 23 | 1217 | 1411 |
| 231 | Digital electronics | 2 | 22 | 481 | 483 |
| 231 | Discrete Mathematics | 3 | 22 | 379 | 358 |
| 231 | Risk assessment | 1 | 22 | 1431 | 1335 |
| 231 | ecological risk assessment | 1 | 22 | 668 | 731 |
| 231 | graph | 3 | 22 | 379 | 358 |
| 231 | optical pattern recognition | 4 | 22 | 97 | 205 |
| 231 | Health Risk Assessment | 1 | 22 | 1129 | 1093 |
| 231 | Nonlinear systems | 4 | 22 | 561 | 1040 |
| 239 | Noise | 3 | 21 | 165 | 268 |
| 239 | Sound | 3 | 21 | 881 | 1128 |
| 239 | Mineral resources | 3 | 21 | 639 | 1428 |
| 239 | Wind power | 5 | 21 | 230 | 650 |
| 239 | winds | 5 | 21 | 67 | 221 |
| 244 | Organometallic chemistry | 3 | 20 | 2305 | 3169 |
| 244 | Evolutionary Computation | 1 | 20 | 858 | 934 |
| 244 | Swarm Intelligence | 1 | 20 | 599 | 722 |
| 244 | bioluminescence | 4 | 20 | 306 | 682 |
| 244 | Semiconductor industry | 1 | 20 | 1278 | 1231 |
| 249 | Fluid Mechanics | 5 | 19 | 1598 | 2978 |
| 249 | Nondestructive testing | 3 | 19 | 829 | 1345 |
| 249 | International Finance | 2 | 19 | 2135 | 2699 |
| 249 | optical devices | 2 | 19 | 739 | 998 |
| 253 | Computer Graphics | 7 | 18 | 1256 | 3031 |
| 254 | Geology | 2 | 17 | 4092 | 4955 |
| 254 | Hydrogeology | 2 | 17 | 1063 | 1483 |
| 254 | environmental indicators | 1 | 17 | 2106 | 2797 |
| 254 | Groundwater | 2 | 17 | 1043 | 1545 |
| 254 | Telecommunication | 5 | 17 | 2125 | 3600 |
| 254 | Earth Sciences | 2 | 17 | 4404 | 5461 |
| 254 | data protection | 3 | 17 | 611 | 1151 |
| 261 | Cryptography | 2 | 16 | 956 | 1029 |
| 261 | Transnational corporations | 1 | 16 | 756 | 942 |
| 261 | Scheduling | 1 | 16 | 309 | 390 |
| 261 | Production Scheduling | 1 | 16 | 309 | 390 |
| 261 | Database Security | 2 | 16 | 131 | 254 |
| 261 | Ferroelectricity | 2 | 16 | 1304 | 1336 |
| 267 | Medical Laboratory Science | 2 | 15 | 3179 | 4938 |
| 267 | Optoelectronics | 4 | 15 | 525 | 996 |
| 267 | Superconductors | 2 | 15 | 934 | 1175 |
| 267 | Superconductivity | 2 | 15 | 670 | 908 |
| 271 | Computer Vision | 4 | 14 | 1181 | 2653 |
| 271 | Mineralogy | 4 | 14 | 1408 | 2581 |
| 271 | Water quality | 1 | 14 | 631 | 867 |
| 271 | Nanostructures | 4 | 14 | 2319 | 4576 |
| 271 | Chemical processes | 3 | 14 | 759 | 1479 |
| 271 | Electromagnetic fields | 4 | 14 | 270 | 563 |
| 271 | Water chemistry | 1 | 14 | 907 | 1095 |
| 278 | Structural design | 1 | 13 | 1534 | 1763 |
| 278 | Algebra | 3 | 13 | 1697 | 1870 |
| 278 | Smart Materials | 1 | 13 | 1749 | 2023 |
| 278 | Intelligent Control Systems | 5 | 13 | 951 | 2084 |
| 278 | Microwaves | 5 | 13 | 1027 | 1707 |
| 278 | Psychophysiology | 1 | 13 | 5009 | 5813 |
| 284 | Spectrum analysis | 2 | 12 | 5759 | 7665 |
| 285 | Computational Fluid Dynamics | 2 | 11 | 983 | 1601 |
| 285 | mathematical analysis | 6 | 11 | 2124 | 3411 |
| 287 | Aerospace Engineering | 2 | 10 | 508 | 772 |
| 287 | Cloud Computing | 2 | 10 | 331 | 790 |
| 287 | Data Mining | 2 | 10 | 2629 | 4382 |
| 287 | Algorithms | 2 | 10 | 1057 | 1532 |
| 287 | Strategic planning | 1 | 10 | 1500 | 1883 |
| 287 | Access to Information | 1 | 10 | 452 | 744 |
| 287 | big data | 2 | 10 | 814 | 1487 |
| 287 | Aviation | 2 | 10 | 146 | 266 |
| 287 | Information management | 1 | 10 | 250 | 373 |
| 287 | Information dissemination | 1 | 10 | 452 | 744 |
| 297 | Functional Analysis | 3 | 9 | 1417 | 2123 |
| 297 | Operations Research | 4 | 9 | 2264 | 4109 |
| 297 | Investment analysis | 1 | 9 | 1570 | 1854 |
| 297 | Cheminformatics | 1 | 9 | 789 | 1170 |
| 297 | Molecular structure | 1 | 9 | 4429 | 5129 |
| 302 | Ceramics | 2 | 8 | 2177 | 3195 |
| 302 | Cosmology | 2 | 8 | 1908 | 2281 |
| 302 | Clinical Chemistry | 1 | 8 | 5348 | 6559 |
| 302 | Electrophoresis | 1 | 8 | 3159 | 4188 |
| 302 | Chromatography | 1 | 8 | 3141 | 4069 |
| 302 | Calorimetry | 1 | 8 | 2207 | 2703 |
| 302 | Chromatographic analysis | 1 | 8 | 3573 | 4450 |
| 302 | Thermal analysis | 1 | 8 | 2207 | 2703 |
| 310 | Information Systems | 1 | 7 | 3096 | 4071 |
| 310 | Quality Control | 2 | 7 | 2711 | 4680 |
| 310 | Physical organic chemistry | 1 | 7 | 2386 | 3150 |
| 310 | Chemical kinetics | 1 | 7 | 1502 | 1762 |
| 310 | Bioorganic chemistry | 1 | 7 | 4629 | 5754 |
| 310 | Entropy | 2 | 7 | 1617 | 2699 |
| 310 | East Asia | 4 | 7 | 581 | 1616 |
| 310 | United States | 1 | 7 | 10573 | 11734 |
| 318 | Statistical Mechanics | 1 | 6 | 2186 | 2365 |
| 318 | Integrated Circuits | 1 | 6 | 1511 | 1556 |
| 318 | Japan | 5 | 6 | 2047 | 4745 |
| 318 | electrocatalysis | 2 | 6 | 143 | 511 |
| 322 | Neurology | 1 | 5 | 8938 | 10508 |
| 322 | Polymer Engineering | 1 | 5 | 292 | 531 |
| 322 | Urban Policy | 1 | 5 | 1536 | 2382 |
| 322 | Cognitive Science | 1 | 5 | 2869 | 3971 |
| 322 | Glass | 1 | 5 | 2063 | 2836 |
| 322 | city planning | 1 | 5 | 3065 | 3945 |
| 322 | pottery | 1 | 5 | 1987 | 2751 |
| 329 | Macroeconomics | 1 | 4 | 748 | 1002 |
| 329 | Thermodynamics | 3 | 4 | 1402 | 2766 |
| 329 | Neurochemistry | 1 | 4 | 4141 | 5600 |
| 329 | Visual Communication | 3 | 4 | 514 | 1355 |
| 329 | Quality Management | 1 | 4 | 472 | 725 |
| 329 | Number Theory | 1 | 4 | 1532 | 1696 |
| 329 | Analytical Biochemistry | 1 | 4 | 3430 | 4884 |
| 329 | Nonlinear Dynamics | 1 | 4 | 3431 | 4433 |
| 329 | radiative transfer | 1 | 4 | 1130 | 1554 |
| 329 | Radiation | 1 | 4 | 4152 | 5332 |
| 329 | Image enhancement | 3 | 4 | 349 | 1149 |
| 329 | economic policy | 1 | 4 | 4522 | 5138 |
| 329 | Microfluidics | 1 | 4 | 513 | 913 |
| 329 | Welding | 1 | 4 | 689 | 811 |
| 329 | Mobile Commerce | 2 | 4 | 531 | 1050 |
| 329 | Communication | 3 | 4 | 2482 | 4989 |
| 329 | Natural history | 1 | 4 | 7708 | 9666 |
| 329 | phototherapy | 1 | 4 | 586 | 831 |
| 347 | Structural health monitoring | 1 | 3 | 447 | 806 |
| 347 | Electronic Packaging | 1 | 3 | 376 | 590 |
| 347 | Biomechanics | 2 | 3 | 2266 | 4205 |
| 347 | Multiphase Flow | 1 | 3 | 730 | 1190 |
| 347 | structural stability | 1 | 3 | 912 | 1424 |
| 347 | Mechanics | 2 | 3 | 1972 | 3271 |
| 353 | Social Sciences | 1 | 2 | 7122 | 8814 |
| 353 | Humanities | 1 | 2 | 3877 | 4875 |
| 353 | Embedded Systems | 1 | 2 | 411 | 667 |
| 353 | Telecommunications | 1 | 2 | 1686 | 2426 |
| 353 | Information Retrieval | 1 | 2 | 1010 | 1631 |
| 353 | Liquid Crystals | 1 | 2 | 1667 | 2158 |
| 353 | Simulation Methods | 1 | 2 | 2078 | 3103 |
| 353 | Alloys | 1 | 2 | 645 | 1010 |
| 353 | Microstructure | 1 | 2 | 1757 | 2442 |
| 362 | Structural Engineering | 2 | 1 | 2217 | 3947 |
| 362 | Statistics | 1 | 1 | 4731 | 6251 |
| 362 | Applied Mathematics | 2 | 1 | 1458 | 2502 |
| 362 | Architectural Design | 2 | 1 | 638 | 1531 |
| 362 | Machine Learning | 1 | 1 | 827 | 1375 |
| 362 | Municipal Engineering | 1 | 1 | 889 | 1637 |
| 362 | Computer-Aided Design | 1 | 1 | 2444 | 3623 |
| 362 | Transportation | 1 | 1 | 2964 | 4377 |
| 362 | Sensor Networks | 1 | 1 | 536 | 993 |
| 362 | Flow chemistry | 1 | 1 | 81 | 220 |
| 362 | Computational Complexity | 1 | 1 | 2065 | 3059 |
| 362 | Roads | 1 | 1 | 1407 | 2162 |
| 362 | smart structures | 2 | 1 | 162 | 554 |
| 375 | Histology | 1 | 0 | 3537 | 5276 |
| 375 | Microbiology | 1 | 0 | 10558 | 13730 |
| 375 | Databases | 1 | 0 | 727 | 1298 |
| 375 | Quantum Mechanics | 1 | 0 | 419 | 694 |
| 375 | Microbial Biotechnology | 1 | 0 | 2045 | 3388 |
| 375 | Fracture mechanics | 1 | 0 | 2439 | 3553 |
| 375 | Indoor air quality | 1 | 0 | 237 | 540 |
| 375 | Air Conditioning | 1 | 0 | 454 | 892 |
| 375 | Neuroplasticity | 1 | 0 | 876 | 1582 |
| 375 | Molecules | 1 | 0 | 2613 | 3725 |
| 375 | nucleic acids | 1 | 0 | 3212 | 4668 |
| 375 | neuronal plasticity | 1 | 0 | 733 | 1361 |
| 375 | Semigroups | 1 | 0 | 560 | 910 |
| 375 | visualization | 2 | 0 | 2533 | 4223 |
| 375 | nucleotides | 1 | 0 | 737 | 1283 |
| 375 | Ventilation | 1 | 0 | 1187 | 2189 |
| 375 | Biomass | 1 | 0 | 1355 | 2473 |
| 375 | Nuclear Facilities | 1 | 0 | 171 | 331 |
| 375 | heating | 1 | 0 | 363 | 758 |
| 375 | nuclear reactors | 1 | 0 | 75 | 124 |
