| 1 | Materials | 143 | 7.3K | 1130 | 868 |
| 2 | Nanotechnology | 153 | 7.2K | 744 | 739 |
| 3 | Catalysis | 91 | 6.6K | 809 | 526 |
| 4 | Chemical Engineering | 183 | 6.5K | 525 | 585 |
| 5 | Biochemical Engineering | 104 | 5.2K | 380 | 579 |
| 6 | Nanostructured Materials | 94 | 5.1K | 537 | 365 |
| 7 | Materials Science | 67 | 4.2K | 1221 | 844 |
| 8 | Energy Policy | 102 | 3.4K | 198 | 337 |
| 9 | Chemistry | 135 | 3.2K | 2128 | 2853 |
| 10 | Electrochemistry | 97 | 2.9K | 793 | 654 |
| 11 | Physics | 115 | 2.7K | 2392 | 3961 |
| 12 | Biocompatible Materials | 44 | 2.7K | 1216 | 1036 |
| 13 | Renewable Energy Sources | 97 | 2.3K | 174 | 637 |
| 14 | Pollution | 56 | 2.2K | 1497 | 1750 |
| 15 | energy conservation | 60 | 2.1K | 203 | 319 |
| 16 | Surface Chemistry | 66 | 1.9K | 904 | 968 |
| 17 | Water | 38 | 1.8K | 680 | 738 |
| 18 | Optical materials | 36 | 1.8K | 824 | 696 |
| 19 | Colloids | 46 | 1.8K | 1140 | 1091 |
| 20 | Water pollution | 37 | 1.7K | 764 | 720 |
| 21 | nanoscience | 45 | 1.6K | 772 | 951 |
| 22 | coal | 45 | 1.6K | 266 | 323 |
| 23 | Ecology | 49 | 1.5K | 2038 | 2526 |
| 24 | Environment | 46 | 1.5K | 1463 | 2308 |
| 25 | environmental pollution | 47 | 1.4K | 1247 | 1579 |
| 26 | Electrical Engineering | 118 | 1.3K | 469 | 361 |
| 27 | Nanoparticles | 42 | 1.3K | 333 | 429 |
| 28 | Green Chemistry | 34 | 1.2K | 421 | 602 |
| 29 | fuel cells | 21 | 1.2K | 460 | 444 |
| 30 | Environmental monitoring | 31 | 1.2K | 1298 | 1404 |
| 31 | Sustainable Engineering | 36 | 1.2K | 314 | 420 |
| 32 | Biotechnology | 34 | 1.1K | 2475 | 2777 |
| 33 | Biomass Energy | 32 | 1.1K | 710 | 944 |
| 34 | Environmental Health | 25 | 980 | 2398 | 2362 |
| 35 | Bioengineering | 29 | 958 | 1665 | 2134 |
| 35 | Science | 27 | 958 | 5593 | 6367 |
| 37 | miniaturization | 26 | 910 | 609 | 861 |
| 38 | Solar Energy | 34 | 791 | 291 | 548 |
| 39 | Environmental Engineering | 25 | 737 | 1460 | 1710 |
| 40 | Biology | 18 | 672 | 6175 | 6794 |
| 41 | Heat Exchangers | 25 | 647 | 271 | 420 |
| 42 | Environmental Policy | 11 | 625 | 1983 | 1775 |
| 43 | Molecular Biology | 12 | 614 | 5748 | 5276 |
| 44 | sanitation | 8 | 597 | 1150 | 1108 |
| 45 | Optics | 56 | 596 | 1426 | 1774 |
| 46 | Automation | 35 | 568 | 416 | 690 |
| 47 | Microelectronics | 10 | 564 | 1241 | 976 |
| 48 | Electronics | 45 | 514 | 1053 | 1367 |
| 49 | Biomedical Engineering | 29 | 478 | 1947 | 2691 |
| 50 | Neural circuitry | 17 | 449 | 771 | 905 |
| 51 | energy resources | 11 | 422 | 718 | 1042 |
| 52 | Energy Conversion | 13 | 418 | 625 | 984 |
| 53 | Environmental Chemistry | 12 | 400 | 1171 | 1471 |
| 54 | Polymers | 10 | 399 | 3339 | 2601 |
| 54 | Environmental Management | 14 | 399 | 1512 | 2008 |
| 56 | Multimedia Systems | 39 | 394 | 230 | 427 |
| 56 | polymerization | 9 | 394 | 2930 | 2205 |
| 58 | Energy Storage | 18 | 393 | 450 | 660 |
| 59 | Signal Processing | 28 | 387 | 540 | 764 |
| 60 | Sustainable Development | 4 | 386 | 2181 | 1144 |
| 61 | Economic Development | 2 | 371 | 2534 | 1045 |
| 62 | sustainability | 2 | 368 | 1221 | 534 |
| 63 | Photonics | 14 | 355 | 936 | 1229 |
| 64 | Artificial Intelligence | 27 | 348 | 1428 | 2004 |
| 65 | Information Science | 4 | 346 | 2626 | 1371 |
| 66 | Biophysics | 5 | 305 | 5938 | 4293 |
| 66 | environmental protection | 12 | 305 | 2088 | 2489 |
| 68 | Nuclear Engineering | 22 | 297 | 495 | 450 |
| 68 | Nuclear Energy | 21 | 297 | 417 | 460 |
| 70 | China | 24 | 288 | 1015 | 1518 |
| 71 | Composite Materials | 8 | 282 | 2002 | 2016 |
| 72 | Nuclear Physics | 15 | 267 | 2718 | 2761 |
| 73 | internet | 13 | 266 | 498 | 574 |
| 74 | Internet of Things | 13 | 264 | 249 | 281 |
| 75 | Solid State Physics | 21 | 262 | 2034 | 2467 |
| 76 | Power Electronics | 24 | 250 | 138 | 293 |
| 77 | Magnetic Materials | 11 | 242 | 879 | 1005 |
| 78 | Image Processing | 46 | 231 | 339 | 1420 |
| 79 | Environmental Toxicology | 3 | 226 | 3012 | 2248 |
| 80 | actuators | 7 | 219 | 1737 | 1838 |
| 80 | transducers | 7 | 219 | 1737 | 1838 |
| 82 | Solid State Chemistry | 13 | 218 | 1507 | 1640 |
| 83 | Toxicology | 2 | 216 | 6748 | 4247 |
| 83 | infrared radiation | 11 | 216 | 249 | 193 |
| 83 | pollutants | 2 | 216 | 2754 | 1666 |
| 83 | Environmental pollutants | 2 | 216 | 3273 | 1905 |
| 83 | environmental exposure | 2 | 216 | 2964 | 1538 |
| 88 | Analytical Chemistry | 13 | 204 | 2925 | 3696 |
| 89 | carbon monoxide | 5 | 199 | 191 | 250 |
| 90 | Metallurgy | 11 | 198 | 1600 | 1744 |
| 91 | Control Theory | 17 | 187 | 750 | 984 |
| 91 | World Wide Web | 3 | 187 | 466 | 135 |
| 93 | Systems Engineering | 14 | 180 | 991 | 1228 |
| 93 | Optical Communications | 4 | 180 | 573 | 302 |
| 95 | Engineering | 21 | 178 | 1963 | 2922 |
| 95 | Mathematics | 33 | 178 | 2608 | 3646 |
| 95 | Energy Harvesting | 2 | 178 | 625 | 609 |
| 98 | mass transfer | 12 | 175 | 895 | 1382 |
| 99 | Economics | 2 | 172 | 5584 | 2790 |
| 100 | finance | 2 | 171 | 3082 | 1527 |
| 101 | Probability | 1 | 166 | 1264 | 466 |
| 101 | Risk Management | 1 | 166 | 1698 | 515 |
| 101 | Financial management | 1 | 166 | 1111 | 500 |
| 101 | Risk | 1 | 166 | 1230 | 474 |
| 105 | Biosensors | 4 | 155 | 1307 | 1631 |
| 105 | Bioelectronics | 4 | 155 | 1110 | 1470 |
| 107 | Manufacturing Processes | 7 | 150 | 1813 | 1897 |
| 107 | Measurement | 8 | 150 | 777 | 925 |
| 109 | solar power | 8 | 148 | 496 | 922 |
| 109 | solar cells | 8 | 148 | 549 | 1021 |
| 111 | Bioremediation | 3 | 147 | 961 | 728 |
| 112 | Waste management | 11 | 143 | 731 | 1021 |
| 113 | Water Purification | 10 | 142 | 603 | 822 |
| 113 | Water quality management | 10 | 142 | 1095 | 1444 |
| 115 | Carbon | 6 | 139 | 1114 | 1626 |
| 116 | Recycling | 3 | 137 | 660 | 933 |
| 117 | Membranes | 5 | 136 | 1709 | 2078 |
| 118 | Biodegradation | 2 | 133 | 1098 | 776 |
| 118 | System analysis | 12 | 133 | 1411 | 1990 |
| 120 | Nonlinear functional analysis | 7 | 130 | 822 | 817 |
| 121 | lasers | 14 | 129 | 916 | 1307 |
| 122 | nuclear power | 5 | 127 | 455 | 251 |
| 122 | Statistical physics | 13 | 127 | 2352 | 3067 |
| 122 | Catalysts | 7 | 127 | 452 | 562 |
| 125 | Production Engineering | 6 | 124 | 1621 | 1478 |
| 126 | Industrial Engineering | 9 | 118 | 1246 | 1778 |
| 127 | Photochemistry | 5 | 117 | 1714 | 1813 |
| 127 | Photobiology | 5 | 117 | 1266 | 1359 |
| 129 | Research | 20 | 116 | 5409 | 10406 |
| 130 | Engineering Mathematics | 31 | 108 | 689 | 1779 |
| 130 | Fuzzy systems | 7 | 108 | 1186 | 1134 |
| 132 | energy development | 13 | 106 | 267 | 1040 |
| 133 | Fluid Dynamics | 5 | 104 | 1070 | 1122 |
| 133 | Quantum electronics | 11 | 104 | 478 | 617 |
| 135 | vibration | 11 | 101 | 690 | 1162 |
| 136 | Optoelectronic devices | 10 | 100 | 395 | 472 |
| 137 | multimedia | 4 | 99 | 182 | 181 |
| 137 | Interactive multimedia | 4 | 99 | 281 | 236 |
| 139 | Metals | 8 | 96 | 1709 | 2307 |
| 140 | Telecommunication Systems | 7 | 95 | 1174 | 1305 |
| 140 | Electromagnetism | 6 | 95 | 572 | 582 |
| 140 | Ocean Engineering | 3 | 95 | 1827 | 1768 |
| 140 | Social Change | 3 | 95 | 1131 | 1362 |
| 144 | Computational Intelligence | 6 | 94 | 627 | 711 |
| 145 | Electrochemical Analysis | 7 | 93 | 1158 | 1605 |
| 145 | Condensed Matter | 13 | 93 | 2302 | 3174 |
| 147 | Combinatorial chemistry | 1 | 90 | 1827 | 1266 |
| 148 | Dynamics | 3 | 88 | 2155 | 1490 |
| 149 | Mechanical Engineering | 13 | 87 | 1429 | 2040 |
| 150 | Nanochemistry | 7 | 85 | 814 | 1262 |
| 150 | Diagnostic Imaging | 25 | 85 | 716 | 2423 |
| 152 | Cybernetics | 2 | 84 | 1934 | 1464 |
| 152 | Semiconductors | 10 | 84 | 1332 | 1979 |
| 154 | Systems Analysis | 8 | 81 | 701 | 1133 |
| 155 | computer networks | 11 | 80 | 1423 | 2403 |
| 156 | Ceramic materials | 2 | 78 | 1887 | 1496 |
| 157 | Robotics | 6 | 76 | 1353 | 1813 |
| 158 | Combustion | 7 | 74 | 943 | 1501 |
| 159 | Biochemistry | 3 | 73 | 10007 | 10304 |
| 159 | Stochastic Processes | 6 | 73 | 687 | 849 |
| 161 | Computer Engineering | 5 | 71 | 637 | 806 |
| 162 | Energy Consumption | 6 | 70 | 103 | 254 |
| 163 | Petroleum Engineering | 3 | 66 | 872 | 926 |
| 164 | Computational Biology | 4 | 65 | 3422 | 4032 |
| 165 | Detectors | 9 | 64 | 466 | 827 |
| 166 | Computer Science | 8 | 62 | 1543 | 2248 |
| 167 | Chemical industry | 3 | 61 | 1647 | 1471 |
| 168 | Luminescence | 5 | 58 | 1198 | 1546 |
| 169 | Structural dynamics | 2 | 56 | 1432 | 1615 |
| 169 | Numerical Analysis | 9 | 56 | 1622 | 2433 |
| 171 | Industrial Safety | 2 | 55 | 1851 | 1580 |
| 172 | electric vehicles | 6 | 54 | 127 | 246 |
| 172 | Bioinformatics | 3 | 54 | 2657 | 3187 |
| 174 | Mathematical Physics | 12 | 53 | 1912 | 2934 |
| 175 | Mechatronics | 1 | 52 | 1462 | 919 |
| 175 | natural gas | 1 | 52 | 860 | 631 |
| 175 | pigments | 4 | 52 | 784 | 1197 |
| 178 | Thin Films | 4 | 49 | 575 | 715 |
| 178 | particles | 5 | 49 | 822 | 1453 |
| 180 | Nervous system | 3 | 47 | 3153 | 4279 |
| 181 | Wireless Communication Systems | 5 | 45 | 1853 | 2265 |
| 181 | Technology | 13 | 45 | 2598 | 5835 |
| 183 | Physical Chemistry | 6 | 44 | 2012 | 3302 |
| 184 | Information Technology | 7 | 42 | 1907 | 3157 |
| 184 | radioactive waste | 1 | 42 | 1615 | 1954 |
| 184 | industrial waste | 1 | 42 | 1666 | 1959 |
| 184 | Hazardous waste | 1 | 42 | 1861 | 2064 |
| 188 | Informatics | 5 | 41 | 757 | 1486 |
| 189 | Protective coatings | 6 | 39 | 73 | 157 |
| 190 | Medicine | 13 | 38 | 8072 | 16350 |
| 190 | Differential Equations | 2 | 38 | 1296 | 1068 |
| 190 | Combinatorial optimization | 5 | 38 | 377 | 514 |
| 193 | Intelligent Transportation Systems | 2 | 37 | 1041 | 1156 |
| 194 | Hydrodynamics | 3 | 36 | 656 | 1032 |
| 194 | Solitons | 6 | 36 | 797 | 1654 |
| 194 | Fractals | 6 | 36 | 945 | 1795 |
| 194 | Chaos | 6 | 36 | 797 | 1654 |
| 198 | Ultrasonics | 1 | 35 | 2097 | 2180 |
| 198 | Sonochemistry | 1 | 35 | 1226 | 1522 |
| 200 | Building Materials | 2 | 34 | 2179 | 2836 |
| 200 | Adsorption | 1 | 34 | 485 | 402 |
| 200 | Adaptive control systems | 4 | 34 | 526 | 787 |
| 200 | Broadcasting | 1 | 34 | 381 | 302 |
| 200 | management | 2 | 34 | 4700 | 4956 |
| 205 | Computational Linguistics | 3 | 33 | 638 | 681 |
| 205 | Crystal growth | 3 | 33 | 1208 | 1726 |
| 207 | Superconductors | 3 | 31 | 800 | 961 |
| 207 | Superconductivity | 3 | 31 | 577 | 736 |
| 207 | Imaging systems | 22 | 31 | 106 | 1080 |
| 207 | Decision making | 1 | 31 | 3214 | 2741 |
| 211 | Mobile Computing | 5 | 30 | 972 | 1576 |
| 212 | Computer Architecture | 3 | 29 | 536 | 702 |
| 212 | Microprocessors | 3 | 29 | 633 | 889 |
| 212 | Interfaces | 2 | 29 | 484 | 563 |
| 212 | Microscopy | 6 | 29 | 1450 | 2626 |
| 216 | Sustainable Architecture | 5 | 28 | 80 | 218 |
| 216 | Hydrology | 5 | 28 | 2415 | 4062 |
| 216 | Process Control | 1 | 28 | 1630 | 1951 |
| 216 | Porous materials | 4 | 28 | 735 | 1223 |
| 216 | arthritis | 1 | 28 | 2438 | 2799 |
| 221 | Organic Chemistry | 3 | 27 | 3673 | 4876 |
| 221 | micromechanics | 1 | 27 | 1220 | 1182 |
| 223 | Fiber Optics | 4 | 26 | 481 | 727 |
| 223 | health planning | 4 | 26 | 2355 | 3909 |
| 225 | Human-Computer Interaction | 2 | 25 | 2191 | 2797 |
| 226 | Nanoelectronics | 2 | 24 | 1268 | 1391 |
| 226 | Metallic Glasses | 2 | 24 | 628 | 915 |
| 228 | Graph Theory | 4 | 23 | 792 | 922 |
| 228 | Quantum Optics | 2 | 23 | 1285 | 1490 |
| 228 | optical pattern recognition | 4 | 23 | 97 | 198 |
| 228 | Combinatorial analysis | 4 | 23 | 1109 | 1208 |
| 228 | Atomic spectroscopy | 2 | 23 | 1642 | 1985 |
| 228 | Laser Spectroscopy | 2 | 23 | 1217 | 1411 |
| 234 | Digital electronics | 2 | 22 | 481 | 486 |
| 234 | Discrete Mathematics | 3 | 22 | 379 | 359 |
| 234 | Risk assessment | 1 | 22 | 1431 | 1344 |
| 234 | ecological risk assessment | 1 | 22 | 668 | 741 |
| 234 | graph | 3 | 22 | 379 | 359 |
| 234 | Mineral resources | 3 | 22 | 639 | 1417 |
| 234 | Health Risk Assessment | 1 | 22 | 1129 | 1101 |
| 234 | Nonlinear systems | 4 | 22 | 561 | 1042 |
| 242 | Organometallic chemistry | 3 | 21 | 2305 | 3141 |
| 242 | Noise | 3 | 21 | 165 | 270 |
| 242 | Evolutionary Computation | 1 | 21 | 858 | 925 |
| 242 | Swarm Intelligence | 1 | 21 | 599 | 718 |
| 242 | Sound | 3 | 21 | 1027 | 1180 |
| 242 | Wind power | 5 | 21 | 230 | 655 |
| 242 | bioluminescence | 4 | 21 | 306 | 666 |
| 242 | Semiconductor industry | 1 | 21 | 1278 | 1208 |
| 242 | winds | 5 | 21 | 67 | 223 |
| 242 | optical devices | 2 | 21 | 739 | 978 |
| 252 | Fluid Mechanics | 5 | 20 | 1599 | 2946 |
| 252 | International Finance | 2 | 20 | 2135 | 2686 |
| 254 | Computer Graphics | 7 | 19 | 1256 | 2996 |
| 254 | Nondestructive testing | 3 | 19 | 829 | 1354 |
| 256 | Geology | 2 | 18 | 4092 | 4918 |
| 256 | Hydrogeology | 2 | 18 | 1063 | 1465 |
| 256 | Groundwater | 2 | 18 | 1043 | 1518 |
| 256 | Earth Sciences | 2 | 18 | 4404 | 5419 |
| 256 | data protection | 3 | 18 | 611 | 1139 |
| 261 | Cryptography | 2 | 17 | 956 | 1009 |
| 261 | Optoelectronics | 4 | 17 | 525 | 936 |
| 261 | environmental indicators | 1 | 17 | 2107 | 2808 |
| 261 | Transnational corporations | 1 | 17 | 756 | 935 |
| 261 | Database Security | 2 | 17 | 131 | 250 |
| 261 | Telecommunication | 5 | 17 | 2125 | 3630 |
| 267 | Scheduling | 1 | 16 | 309 | 391 |
| 267 | Production Scheduling | 1 | 16 | 309 | 391 |
| 267 | Ferroelectricity | 2 | 16 | 1304 | 1340 |
| 267 | Chemical processes | 3 | 16 | 759 | 1415 |
| 271 | Medical Laboratory Science | 2 | 15 | 3180 | 4956 |
| 271 | Mineralogy | 4 | 15 | 1408 | 2541 |
| 273 | Computer Vision | 4 | 14 | 1181 | 2660 |
| 273 | Water quality | 1 | 14 | 631 | 870 |
| 273 | Nanostructures | 4 | 14 | 2319 | 4591 |
| 273 | Electromagnetic fields | 4 | 14 | 270 | 567 |
| 273 | Water chemistry | 1 | 14 | 907 | 1098 |
| 273 | Psychophysiology | 1 | 14 | 5032 | 5795 |
| 279 | Cloud Computing | 2 | 13 | 331 | 714 |
| 279 | Structural design | 1 | 13 | 1593 | 1850 |
| 279 | Algebra | 3 | 13 | 1697 | 1873 |
| 279 | Smart Materials | 1 | 13 | 1799 | 2089 |
| 279 | Intelligent Control Systems | 5 | 13 | 951 | 2090 |
| 279 | Microwaves | 5 | 13 | 1027 | 1716 |
| 285 | Computational Fluid Dynamics | 2 | 12 | 983 | 1576 |
| 285 | Spectrum analysis | 2 | 12 | 5786 | 7731 |
| 287 | Molecules | 2 | 11 | 2140 | 2781 |
| 287 | mathematical analysis | 6 | 11 | 2127 | 3421 |
| 289 | Aerospace Engineering | 2 | 10 | 508 | 778 |
| 289 | Data Mining | 2 | 10 | 2629 | 4429 |
| 289 | Functional Analysis | 3 | 10 | 1417 | 2077 |
| 289 | Algorithms | 2 | 10 | 1057 | 1542 |
| 289 | Strategic planning | 1 | 10 | 1500 | 1896 |
| 289 | Access to Information | 1 | 10 | 452 | 753 |
| 289 | Investment analysis | 1 | 10 | 1570 | 1837 |
| 289 | big data | 2 | 10 | 814 | 1498 |
| 289 | Aviation | 2 | 10 | 146 | 267 |
| 289 | Information management | 1 | 10 | 250 | 377 |
| 289 | Information dissemination | 1 | 10 | 452 | 753 |
| 300 | Operations Research | 4 | 9 | 2264 | 4131 |
| 300 | Calorimetry | 1 | 9 | 2207 | 2650 |
| 300 | Cheminformatics | 1 | 9 | 789 | 1175 |
| 300 | Molecular structure | 1 | 9 | 4429 | 5160 |
| 300 | Thermal analysis | 1 | 9 | 2207 | 2650 |
| 305 | Ceramics | 2 | 8 | 2177 | 3209 |
| 305 | Cosmology | 2 | 8 | 1908 | 2286 |
| 305 | Clinical Chemistry | 1 | 8 | 5348 | 6573 |
| 305 | Physical organic chemistry | 1 | 8 | 2386 | 3105 |
| 305 | Electrophoresis | 1 | 8 | 3159 | 4197 |
| 305 | Chromatography | 1 | 8 | 3141 | 4081 |
| 305 | Bioorganic chemistry | 1 | 8 | 4629 | 5704 |
| 305 | Chromatographic analysis | 1 | 8 | 3573 | 4463 |
| 313 | Information Systems | 1 | 7 | 3096 | 4096 |
| 313 | Quality Control | 2 | 7 | 2711 | 4696 |
| 313 | Chemical kinetics | 1 | 7 | 1502 | 1769 |
| 313 | Entropy | 2 | 7 | 1617 | 2721 |
| 313 | East Asia | 4 | 7 | 581 | 1635 |
| 313 | Japan | 5 | 7 | 2047 | 4634 |
| 313 | United States | 1 | 7 | 10579 | 11771 |
| 320 | Neurology | 1 | 6 | 8947 | 10421 |
| 320 | Statistical Mechanics | 1 | 6 | 2221 | 2409 |
| 320 | Integrated Circuits | 1 | 6 | 1511 | 1564 |
| 320 | Microfluidics | 1 | 6 | 513 | 872 |
| 320 | electrocatalysis | 2 | 6 | 143 | 515 |
| 325 | Polymer Engineering | 1 | 5 | 292 | 535 |
| 325 | Urban Policy | 1 | 5 | 1536 | 2396 |
| 325 | Visual Communication | 3 | 5 | 514 | 1315 |
| 325 | Cognitive Science | 1 | 5 | 2870 | 4003 |
| 325 | Image enhancement | 3 | 5 | 349 | 1118 |
| 325 | Welding | 1 | 5 | 689 | 779 |
| 325 | Communication | 3 | 5 | 2482 | 4854 |
| 325 | Glass | 1 | 5 | 2063 | 2844 |
| 325 | city planning | 1 | 5 | 3065 | 3975 |
| 325 | pottery | 1 | 5 | 1987 | 2760 |
| 335 | Macroeconomics | 1 | 4 | 748 | 1005 |
| 335 | Thermodynamics | 3 | 4 | 1402 | 2784 |
| 335 | Neurochemistry | 1 | 4 | 4146 | 5615 |
| 335 | Quality Management | 1 | 4 | 472 | 733 |
| 335 | Number Theory | 1 | 4 | 1532 | 1700 |
| 335 | Analytical Biochemistry | 1 | 4 | 3430 | 4896 |
| 335 | Electronic Packaging | 1 | 4 | 376 | 558 |
| 335 | Nonlinear Dynamics | 1 | 4 | 3431 | 4442 |
| 335 | radiative transfer | 1 | 4 | 1130 | 1558 |
| 335 | Radiation | 1 | 4 | 4152 | 5349 |
| 335 | economic policy | 1 | 4 | 4522 | 5161 |
| 335 | Mobile Commerce | 2 | 4 | 531 | 1053 |
| 335 | Natural history | 1 | 4 | 7708 | 9674 |
| 335 | phototherapy | 1 | 4 | 586 | 840 |
| 349 | Structural health monitoring | 1 | 3 | 447 | 807 |
| 349 | Biomechanics | 2 | 3 | 2266 | 4215 |
| 349 | Multiphase Flow | 1 | 3 | 730 | 1196 |
| 349 | structural stability | 1 | 3 | 912 | 1426 |
| 349 | Mechanics | 2 | 3 | 1972 | 3279 |
| 354 | Social Sciences | 1 | 2 | 7122 | 8856 |
| 354 | Humanities | 1 | 2 | 3877 | 4919 |
| 354 | Embedded Systems | 1 | 2 | 411 | 672 |
| 354 | Telecommunications | 1 | 2 | 1686 | 2438 |
| 354 | Information Retrieval | 1 | 2 | 1010 | 1636 |
| 354 | Liquid Crystals | 1 | 2 | 1667 | 2163 |
| 354 | Simulation Methods | 1 | 2 | 2078 | 3114 |
| 354 | Alloys | 1 | 2 | 645 | 1015 |
| 354 | Microstructure | 1 | 2 | 1757 | 2442 |
| 363 | Structural Engineering | 2 | 1 | 2217 | 3954 |
| 363 | Statistics | 1 | 1 | 4731 | 6265 |
| 363 | Applied Mathematics | 2 | 1 | 1458 | 2508 |
| 363 | Architectural Design | 2 | 1 | 638 | 1538 |
| 363 | Machine Learning | 1 | 1 | 827 | 1389 |
| 363 | Municipal Engineering | 1 | 1 | 889 | 1637 |
| 363 | Computer-Aided Design | 1 | 1 | 2444 | 3638 |
| 363 | Transportation | 1 | 1 | 2964 | 4395 |
| 363 | Sensor Networks | 1 | 1 | 536 | 998 |
| 363 | Flow chemistry | 1 | 1 | 81 | 224 |
| 363 | Computational Complexity | 1 | 1 | 2065 | 3066 |
| 363 | Roads | 1 | 1 | 1407 | 2170 |
| 363 | smart structures | 2 | 1 | 162 | 556 |
| 376 | Histology | 1 | 0 | 3537 | 5280 |
| 376 | Microbiology | 1 | 0 | 10580 | 13769 |
| 376 | Databases | 1 | 0 | 727 | 1301 |
| 376 | Quantum Mechanics | 1 | 0 | 419 | 698 |
| 376 | Microbial Biotechnology | 1 | 0 | 2045 | 3393 |
| 376 | Fracture mechanics | 1 | 0 | 2439 | 3558 |
| 376 | Indoor air quality | 1 | 0 | 237 | 542 |
| 376 | Air Conditioning | 1 | 0 | 454 | 895 |
| 376 | Neuroplasticity | 1 | 0 | 876 | 1588 |
| 376 | nucleic acids | 1 | 0 | 3212 | 4669 |
| 376 | neuronal plasticity | 1 | 0 | 733 | 1365 |
| 376 | Semigroups | 1 | 0 | 560 | 911 |
| 376 | visualization | 2 | 0 | 2533 | 4231 |
| 376 | nucleotides | 1 | 0 | 737 | 1284 |
| 376 | Ventilation | 1 | 0 | 1187 | 2193 |
| 376 | Biomass | 1 | 0 | 1355 | 2473 |
| 376 | Nuclear Facilities | 1 | 0 | 171 | 331 |
| 376 | heating | 1 | 0 | 363 | 760 |
| 376 | nuclear reactors | 1 | 0 | 75 | 124 |