| 1 | Engineering | 205 | 3.7K | 226 | 280 |
| 2 | environmental protection | 207 | 3.3K | 70 | 369 |
| 3 | Environmental Engineering | 251 | 3.2K | 141 | 565 |
| 4 | Pollution | 199 | 3.0K | 455 | 1203 |
| 5 | Building Materials | 85 | 2.9K | 153 | 220 |
| 6 | Highway Engineering | 211 | 2.4K | 2 | 7 |
| 7 | Information Technology | 38 | 1.7K | 444 | 327 |
| 8 | Business | 233 | 1.6K | 11 | 485 |
| 9 | Decision Support Systems | 17 | 1.5K | 23 | 3 |
| 9 | Decision making | 17 | 1.5K | 467 | 212 |
| 11 | Renewable Energy Sources | 8 | 1.3K | 1703 | 931 |
| 12 | Electrical Engineering | 103 | 1.3K | 510 | 545 |
| 13 | Artificial Intelligence | 31 | 1.1K | 1257 | 1065 |
| 14 | marketing | 43 | 947 | 343 | 549 |
| 15 | Structural Engineering | 142 | 927 | 116 | 404 |
| 16 | Biochemistry | 44 | 904 | 3004 | 3590 |
| 17 | Composite Materials | 34 | 889 | 748 | 990 |
| 18 | Sustainable Development | 10 | 780 | 1018 | 562 |
| 19 | Science | 199 | 724 | 1182 | 5491 |
| 20 | particles | 19 | 722 | 201 | 125 |
| 21 | Ecology | 43 | 640 | 1793 | 3211 |
| 22 | Physics | 81 | 634 | 2257 | 5289 |
| 23 | Earthquake Engineering | 17 | 611 | 531 | 462 |
| 24 | Biotechnology | 25 | 600 | 2451 | 3043 |
| 25 | Granular materials | 12 | 592 | 142 | 83 |
| 26 | Ocean Engineering | 16 | 564 | 680 | 609 |
| 27 | energy conservation | 9 | 535 | 1118 | 1003 |
| 28 | Materials | 44 | 525 | 1944 | 2773 |
| 29 | Fuzzy systems | 22 | 512 | 391 | 268 |
| 30 | concrete | 12 | 506 | 433 | 482 |
| 31 | Environmental Policy | 26 | 500 | 948 | 1723 |
| 32 | Biomedical Engineering | 36 | 489 | 1523 | 2363 |
| 33 | Biophysics | 25 | 488 | 2279 | 2822 |
| 34 | Culture | 102 | 450 | 38 | 208 |
| 35 | Environmental Health | 21 | 444 | 2121 | 2833 |
| 36 | Bioengineering | 13 | 439 | 2258 | 2586 |
| 37 | Social Sciences | 82 | 436 | 454 | 1004 |
| 38 | human behavior | 8 | 430 | 1431 | 1431 |
| 38 | Behavior | 8 | 430 | 1953 | 1723 |
| 40 | Optics | 34 | 427 | 1742 | 1736 |
| 41 | Sociology | 85 | 422 | 373 | 1171 |
| 42 | Measurement | 30 | 418 | 217 | 382 |
| 43 | Electrochemistry | 23 | 410 | 1550 | 1701 |
| 44 | mathematical analysis | 89 | 403 | 317 | 790 |
| 45 | Operations Research | 30 | 401 | 656 | 944 |
| 46 | Chemistry | 28 | 384 | 3936 | 5618 |
| 47 | Energy Policy | 7 | 383 | 1782 | 1664 |
| 48 | Mathematics | 50 | 373 | 1878 | 2206 |
| 49 | Mechanical Engineering | 85 | 363 | 258 | 816 |
| 50 | Molecular Biology | 22 | 362 | 3517 | 5093 |
| 51 | Civil Engineering | 136 | 358 | 76 | 443 |
| 52 | city planning | 57 | 351 | 192 | 636 |
| 53 | Environmental monitoring | 11 | 323 | 2125 | 2455 |
| 54 | Land use | 8 | 315 | 633 | 549 |
| 55 | Colloids | 6 | 306 | 2664 | 2263 |
| 56 | Biosensors | 8 | 296 | 772 | 1011 |
| 57 | Analytical Chemistry | 12 | 290 | 2510 | 2627 |
| 58 | Transportation | 47 | 288 | 297 | 866 |
| 59 | Lightweight concrete | 4 | 287 | 321 | 349 |
| 60 | Economics | 52 | 282 | 1089 | 1914 |
| 61 | management | 18 | 279 | 1414 | 1914 |
| 62 | Bioelectronics | 7 | 275 | 682 | 968 |
| 63 | Engineering Mathematics | 9 | 261 | 1565 | 935 |
| 64 | Materials Science | 53 | 246 | 1263 | 2876 |
| 65 | Building | 119 | 245 | 17 | 290 |
| 66 | Bioenergetics | 12 | 238 | 345 | 554 |
| 66 | Optical materials | 7 | 238 | 1834 | 1804 |
| 68 | Environmental Management | 12 | 236 | 1460 | 2251 |
| 68 | Green Technology | 30 | 236 | 16 | 100 |
| 68 | Research | 12 | 236 | 5356 | 6389 |
| 71 | environmental pollution | 16 | 231 | 2119 | 3273 |
| 72 | Technology Assessment | 2 | 226 | 443 | 206 |
| 73 | Hazardous waste | 3 | 219 | 952 | 846 |
| 74 | Telecommunication | 44 | 218 | 603 | 1594 |
| 75 | vibration | 15 | 213 | 475 | 692 |
| 76 | radioactive waste | 2 | 207 | 1014 | 806 |
| 76 | industrial waste | 2 | 207 | 1058 | 807 |
| 78 | Environment | 13 | 206 | 2512 | 4571 |
| 79 | Microbiology | 7 | 205 | 4611 | 5011 |
| 79 | Calorimetry | 11 | 205 | 468 | 501 |
| 79 | actuators | 17 | 205 | 890 | 1625 |
| 79 | transducers | 17 | 205 | 890 | 1625 |
| 79 | Thermal analysis | 11 | 205 | 468 | 501 |
| 84 | Catalysis | 10 | 203 | 2164 | 2538 |
| 85 | Fracture mechanics | 5 | 201 | 1100 | 847 |
| 86 | Polymers | 16 | 197 | 2277 | 2848 |
| 87 | Communication | 8 | 195 | 1274 | 1236 |
| 88 | Chemical Engineering | 8 | 188 | 2983 | 3292 |
| 88 | Surface Chemistry | 7 | 188 | 2601 | 2662 |
| 90 | Climatology | 30 | 183 | 478 | 1306 |
| 90 | China | 8 | 183 | 1871 | 1816 |
| 92 | Aerospace Engineering | 56 | 182 | 20 | 109 |
| 93 | coal | 3 | 176 | 1609 | 1408 |
| 94 | Geodesy | 57 | 172 | 44 | 421 |
| 95 | energy resources | 2 | 171 | 1608 | 1433 |
| 96 | System analysis | 2 | 170 | 2962 | 1592 |
| 97 | lasers | 9 | 169 | 1314 | 1294 |
| 98 | Food additives | 2 | 160 | 1466 | 1007 |
| 98 | hydrocolloids | 2 | 160 | 732 | 666 |
| 100 | Structural dynamics | 7 | 151 | 680 | 881 |
| 101 | enzymes | 7 | 149 | 997 | 1294 |
| 102 | Electronics | 12 | 142 | 2036 | 2513 |
| 103 | Antioxidants | 1 | 140 | 1265 | 875 |
| 103 | free radicals | 1 | 140 | 2028 | 1451 |
| 103 | vitamin C | 1 | 140 | 792 | 399 |
| 103 | vitamin E | 1 | 140 | 792 | 399 |
| 107 | Surveying | 53 | 138 | 6 | 33 |
| 107 | Cartography | 53 | 138 | 26 | 167 |
| 109 | food technology | 3 | 135 | 2497 | 2166 |
| 110 | Mechanics | 17 | 132 | 440 | 750 |
| 111 | Urban Policy | 1 | 130 | 1293 | 663 |
| 111 | Technology | 12 | 130 | 2231 | 3152 |
| 113 | Biomass Energy | 4 | 129 | 2212 | 2406 |
| 114 | Magnetic Materials | 4 | 128 | 1422 | 1245 |
| 114 | Biocompatible Materials | 6 | 128 | 2765 | 3538 |
| 116 | Nanostructured Materials | 6 | 127 | 2313 | 2585 |
| 117 | Plastics | 9 | 124 | 981 | 1232 |
| 118 | Nanotechnology | 9 | 123 | 3094 | 4200 |
| 118 | Social Change | 2 | 123 | 1219 | 1100 |
| 120 | Information Science | 6 | 121 | 1803 | 2072 |
| 121 | Medical Technology | 19 | 118 | 483 | 1555 |
| 121 | Information Systems | 2 | 118 | 1788 | 1153 |
| 121 | Social Psychology | 2 | 118 | 2443 | 1749 |
| 124 | Environmental Chemistry | 10 | 117 | 1200 | 2215 |
| 125 | Heat Exchangers | 5 | 116 | 920 | 1217 |
| 126 | Immunology | 2 | 115 | 4302 | 3668 |
| 126 | Immunotherapy | 2 | 115 | 2345 | 2019 |
| 128 | Medicine | 11 | 113 | 6738 | 10472 |
| 128 | Intelligent Control Systems | 2 | 113 | 1490 | 539 |
| 130 | bees | 1 | 112 | 673 | 306 |
| 131 | Discourse Analysis | 3 | 108 | 351 | 282 |
| 132 | Aging | 1 | 105 | 4255 | 2388 |
| 133 | Manufacturing Processes | 5 | 98 | 1835 | 2008 |
| 134 | Quantum electronics | 7 | 93 | 1147 | 1343 |
| 134 | Optoelectronic devices | 7 | 93 | 566 | 539 |
| 136 | Statistical physics | 8 | 91 | 2432 | 2866 |
| 137 | Nonlinear Dynamics | 6 | 90 | 1577 | 1764 |
| 137 | soil conservation | 2 | 90 | 1025 | 831 |
| 139 | Linguistics | 7 | 86 | 992 | 962 |
| 139 | Water pollution | 5 | 86 | 2192 | 2936 |
| 141 | Energy Conversion | 1 | 84 | 1798 | 1537 |
| 142 | Regional Planning | 23 | 82 | 488 | 1325 |
| 143 | Cell Biology | 3 | 80 | 3951 | 4549 |
| 143 | Hematopoietic stem cell transplantation | 1 | 80 | 791 | 623 |
| 143 | Stem cells | 1 | 80 | 2341 | 1840 |
| 146 | Education | 13 | 78 | 1924 | 2691 |
| 147 | environmental indicators | 4 | 76 | 996 | 1472 |
| 148 | rehabilitation | 1 | 74 | 3525 | 2375 |
| 149 | Environmental Microbiology | 3 | 71 | 1418 | 1953 |
| 149 | Microbial Ecology | 3 | 71 | 2228 | 3058 |
| 151 | Systems Engineering | 6 | 70 | 1686 | 2070 |
| 151 | Cytology | 2 | 70 | 4696 | 4795 |
| 153 | Water | 1 | 69 | 3583 | 3134 |
| 154 | Surface-Active Agents | 3 | 68 | 1146 | 1538 |
| 154 | Surface properties | 3 | 68 | 1225 | 1611 |
| 156 | Electrochemical Analysis | 4 | 65 | 1352 | 1594 |
| 156 | proteins | 5 | 65 | 1746 | 2315 |
| 158 | land degradation | 1 | 63 | 948 | 690 |
| 158 | degradation | 1 | 63 | 948 | 690 |
| 160 | Numerical Analysis | 8 | 62 | 1532 | 1970 |
| 161 | Traffic Engineering | 4 | 61 | 327 | 574 |
| 161 | Enzyme | 1 | 61 | 880 | 792 |
| 163 | Robotics | 2 | 59 | 2068 | 1831 |
| 163 | Nondestructive testing | 2 | 59 | 878 | 706 |
| 163 | Production Engineering | 7 | 59 | 1329 | 1912 |
| 163 | Structural health monitoring | 2 | 59 | 260 | 300 |
| 163 | structural stability | 2 | 59 | 583 | 548 |
| 168 | Developing countries | 3 | 55 | 2382 | 2634 |
| 169 | Computational Intelligence | 3 | 54 | 1145 | 1129 |
| 169 | polymerization | 6 | 54 | 2843 | 3699 |
| 171 | Structural optimization | 5 | 53 | 256 | 451 |
| 172 | Architecture | 32 | 52 | 76 | 445 |
| 172 | soil microbiology | 1 | 52 | 2233 | 2326 |
| 174 | Law | 9 | 51 | 886 | 797 |
| 175 | Europe | 16 | 50 | 1333 | 3265 |
| 176 | Landscape Architecture | 21 | 49 | 12 | 85 |
| 176 | Public Spaces | 21 | 49 | 4 | 79 |
| 176 | Nanostructures | 5 | 49 | 1841 | 2741 |
| 176 | Art and Architecture | 21 | 49 | 3 | 5 |
| 180 | Medical Physics | 2 | 48 | 2059 | 2091 |
| 181 | Soil dynamics | 1 | 47 | 800 | 658 |
| 182 | Economic History | 11 | 46 | 1988 | 3134 |
| 182 | energy development | 2 | 46 | 1176 | 1378 |
| 184 | Geology | 6 | 44 | 2264 | 3195 |
| 185 | Biology | 8 | 43 | 6604 | 11685 |
| 185 | Testing | 1 | 43 | 265 | 98 |
| 187 | Public Policy | 2 | 41 | 2165 | 2476 |
| 187 | Environmental pollutants | 3 | 41 | 2343 | 3299 |
| 187 | Metrology | 6 | 41 | 52 | 75 |
| 190 | Functional Analysis | 5 | 40 | 1041 | 1281 |
| 190 | Intelligent Transportation Systems | 1 | 40 | 1717 | 1585 |
| 190 | Eastern Europe | 5 | 40 | 714 | 798 |
| 193 | air quality | 3 | 39 | 191 | 392 |
| 193 | biological factors | 2 | 39 | 2416 | 2649 |
| 193 | pigments | 2 | 39 | 1021 | 1214 |
| 196 | Liquid Crystals | 5 | 38 | 742 | 813 |
| 197 | Nuclear Chemistry | 5 | 37 | 873 | 1170 |
| 197 | Radiochemistry | 5 | 37 | 830 | 1077 |
| 199 | Entropy | 5 | 36 | 882 | 1383 |
| 199 | Membranes | 2 | 36 | 1946 | 2571 |
| 201 | Environmental Toxicology | 2 | 35 | 2885 | 3750 |
| 201 | Bioremediation | 1 | 35 | 1542 | 1547 |
| 201 | Biodegradation | 1 | 35 | 1347 | 1411 |
| 204 | Materials Engineering | 8 | 34 | 306 | 910 |
| 204 | Geophysics | 5 | 34 | 2836 | 4276 |
| 204 | Clinical Immunology | 1 | 34 | 1974 | 1985 |
| 204 | International Finance | 3 | 34 | 1557 | 1981 |
| 204 | Developmental Immunology | 1 | 34 | 1380 | 1364 |
| 204 | Croatia | 6 | 34 | 46 | 32 |
| 210 | Computer Science | 5 | 33 | 1799 | 2577 |
| 210 | Transportation Engineering | 3 | 33 | 496 | 717 |
| 210 | Signal Processing | 3 | 33 | 2498 | 3263 |
| 210 | Semiotics | 2 | 33 | 493 | 251 |
| 210 | United States | 7 | 33 | 3658 | 6600 |
| 215 | Ecological Engineering | 8 | 32 | 293 | 1347 |
| 215 | Photochemistry | 2 | 32 | 2171 | 2582 |
| 215 | Photobiology | 2 | 32 | 1818 | 2160 |
| 215 | European Union | 7 | 32 | 83 | 245 |
| 219 | Statistics | 5 | 31 | 2102 | 2746 |
| 220 | Simulation Methods | 2 | 30 | 1278 | 1419 |
| 220 | probabilities | 6 | 30 | 945 | 1242 |
| 222 | Medical Laboratory Science | 1 | 29 | 3539 | 3751 |
| 222 | Computational Biology | 3 | 29 | 3077 | 4191 |
| 222 | Industrial Microbiology | 1 | 29 | 3006 | 3245 |
| 225 | Ceramics | 9 | 28 | 896 | 1998 |
| 225 | Roads | 4 | 28 | 648 | 881 |
| 227 | Psychology | 1 | 27 | 7024 | 6412 |
| 227 | Systems Theory | 1 | 27 | 1245 | 750 |
| 227 | soil pollution | 1 | 27 | 1104 | 1032 |
| 227 | RNA | 2 | 27 | 628 | 1027 |
| 231 | Criminology | 3 | 26 | 868 | 1098 |
| 231 | Automation | 10 | 26 | 1321 | 3044 |
| 231 | Electromagnetic waves | 2 | 26 | 406 | 478 |
| 234 | Nanobiotechnology | 1 | 25 | 815 | 1196 |
| 234 | Sustainable agriculture | 4 | 25 | 616 | 1294 |
| 234 | Critical Discourse Analysis | 1 | 25 | 106 | 110 |
| 234 | Flood control | 4 | 25 | 179 | 473 |
| 234 | irrigation | 4 | 25 | 365 | 629 |
| 234 | drainage | 4 | 25 | 327 | 521 |
| 240 | Nanophotonics | 1 | 24 | 577 | 673 |
| 240 | Mycology | 2 | 24 | 1926 | 2385 |
| 240 | pollutants | 2 | 24 | 2299 | 3271 |
| 240 | Chemical analysis | 1 | 24 | 1855 | 1975 |
| 240 | Japan | 2 | 24 | 2556 | 2791 |
| 240 | Fungi | 2 | 24 | 1240 | 1716 |
| 246 | Systems Analysis | 1 | 23 | 1843 | 1777 |
| 246 | Music | 3 | 23 | 902 | 1076 |
| 246 | Solar Energy | 2 | 23 | 2053 | 2889 |
| 246 | bioclimatology | 2 | 23 | 1161 | 1679 |
| 246 | Cellulose | 3 | 23 | 611 | 1296 |
| 246 | Climate | 2 | 23 | 750 | 1245 |
| 246 | weather | 2 | 23 | 715 | 1194 |
| 253 | Musicology | 2 | 22 | 319 | 280 |
| 253 | Neuropsychology | 1 | 22 | 3304 | 3496 |
| 253 | Cognitive Science | 1 | 22 | 2328 | 2492 |
| 253 | Environmental risk assessment | 2 | 22 | 571 | 814 |
| 253 | Electrophysiology | 3 | 22 | 1064 | 1629 |
| 253 | construction industry | 1 | 22 | 300 | 272 |
| 259 | Environmental Law | 1 | 21 | 1807 | 2324 |
| 259 | soil management | 1 | 21 | 925 | 1139 |
| 259 | Noise | 3 | 21 | 135 | 231 |
| 259 | Social policy | 2 | 21 | 1292 | 1528 |
| 259 | Sound | 3 | 21 | 1050 | 1541 |
| 259 | Cancer | 2 | 21 | 4187 | 5749 |
| 265 | Telecommunications | 3 | 20 | 818 | 1225 |
| 265 | Tourism | 2 | 20 | 1885 | 2542 |
| 265 | Teaching | 2 | 20 | 2092 | 2341 |
| 265 | environmental exposure | 2 | 20 | 2332 | 3485 |
| 265 | thinking | 1 | 20 | 533 | 586 |
| 265 | Creativity | 1 | 20 | 559 | 679 |
| 271 | Nanochemistry | 1 | 19 | 2017 | 2145 |
| 271 | Plant physiology | 1 | 19 | 2799 | 3263 |
| 271 | Aviation | 1 | 19 | 205 | 166 |
| 271 | deviant behavior | 2 | 19 | 351 | 474 |
| 275 | economic policy | 1 | 18 | 3621 | 3036 |
| 275 | scientific societies | 1 | 18 | 1306 | 1502 |
| 275 | Chromatographic analysis | 2 | 18 | 2376 | 3046 |
| 275 | planning | 1 | 18 | 1304 | 1372 |
| 275 | Economic planning | 1 | 18 | 872 | 1051 |
| 280 | Logistics | 1 | 17 | 936 | 1123 |
| 280 | Educational Technology | 2 | 17 | 1928 | 2695 |
| 280 | Global warming | 2 | 17 | 166 | 329 |
| 280 | toxicity testing | 1 | 17 | 1359 | 1712 |
| 280 | Refractory materials | 5 | 17 | 97 | 153 |
| 285 | Organizational learning | 1 | 16 | 1037 | 924 |
| 285 | Knowledge management | 1 | 16 | 1294 | 1018 |
| 285 | Asia | 1 | 16 | 4573 | 4249 |
| 285 | Earth Sciences | 4 | 16 | 2856 | 4607 |
| 289 | Remote Sensing | 8 | 15 | 903 | 2227 |
| 289 | Forest Ecology | 1 | 15 | 1593 | 1999 |
| 289 | emergency management | 2 | 15 | 1124 | 1830 |
| 289 | Photogrammetry | 7 | 15 | 485 | 951 |
| 293 | Occupational Health | 1 | 14 | 1923 | 1923 |
| 293 | industrial hygiene | 1 | 14 | 2025 | 1862 |
| 293 | Semiconductors | 5 | 14 | 1689 | 3061 |
| 293 | occupational diseases | 1 | 14 | 1535 | 2102 |
| 293 | Waste management | 3 | 14 | 1549 | 2662 |
| 293 | Luminescence | 3 | 14 | 1391 | 2196 |
| 299 | Philosophy | 8 | 13 | 1058 | 1448 |
| 299 | Proteomics | 1 | 13 | 1809 | 2413 |
| 299 | Applied Linguistics | 4 | 13 | 480 | 909 |
| 299 | Mathematical Physics | 1 | 13 | 3802 | 3530 |
| 299 | Image Processing | 1 | 13 | 3230 | 3621 |
| 299 | Water quality management | 3 | 13 | 1967 | 3314 |
| 299 | Criticism | 4 | 13 | 223 | 263 |
| 299 | transport vesicles | 1 | 13 | 462 | 789 |
| 299 | optical devices | 1 | 13 | 877 | 1021 |
| 308 | Nuclear Engineering | 2 | 12 | 1967 | 2458 |
| 308 | Nuclear Energy | 2 | 12 | 1353 | 1694 |
| 308 | Structural design | 2 | 12 | 926 | 1381 |
| 308 | Boundary Value Problems | 1 | 12 | 1226 | 1292 |
| 308 | Biotransformation | 1 | 12 | 285 | 371 |
| 308 | Neural circuitry | 1 | 12 | 2843 | 3479 |
| 308 | Papermaking | 4 | 12 | 90 | 159 |
| 308 | Soviet Union | 1 | 12 | 1399 | 1137 |
| 308 | food industry | 1 | 12 | 1281 | 1524 |
| 317 | Industrial Engineering | 1 | 11 | 3011 | 3424 |
| 317 | Photography | 14 | 11 | 1211 | 2131 |
| 317 | Avionics | 1 | 11 | 328 | 400 |
| 317 | Human Rights | 1 | 11 | 1040 | 1117 |
| 317 | Critical Legal Studies | 1 | 11 | 239 | 244 |
| 317 | Risk assessment | 1 | 11 | 1235 | 1491 |
| 317 | Diffusion of innovations | 2 | 11 | 99 | 317 |
| 317 | social justice | 1 | 11 | 662 | 617 |
| 317 | Cyberterrorism | 1 | 11 | 117 | 256 |
| 317 | Spectrum analysis | 2 | 11 | 4407 | 5975 |
| 327 | Soil Mechanics | 1 | 10 | 1716 | 1971 |
| 327 | Rock Mechanics | 1 | 10 | 1410 | 1688 |
| 327 | Forecasting | 1 | 10 | 987 | 1171 |
| 327 | Water Purification | 2 | 10 | 1547 | 2407 |
| 327 | Adhesion | 1 | 10 | 1182 | 1467 |
| 327 | Molecular Spectroscopy | 1 | 10 | 2585 | 3200 |
| 327 | Electromagnetic fields | 1 | 10 | 688 | 630 |
| 327 | computer networks | 3 | 10 | 2589 | 3993 |
| 327 | adhesives | 1 | 10 | 1255 | 1499 |
| 327 | finance | 4 | 10 | 2046 | 3325 |
| 337 | Humanities | 6 | 9 | 1338 | 3008 |
| 337 | Biochemical Engineering | 2 | 9 | 3636 | 5788 |
| 337 | Photonics | 1 | 9 | 2705 | 3311 |
| 337 | Pragmatics | 1 | 9 | 168 | 128 |
| 337 | Oxidative stress | 1 | 9 | 1943 | 2854 |
| 337 | Cellular senescence | 1 | 9 | 1422 | 2187 |
| 337 | Energy Consumption | 1 | 9 | 745 | 1204 |
| 337 | Smart Materials | 1 | 9 | 1367 | 1734 |
| 337 | Mass Media | 2 | 9 | 1182 | 1259 |
| 346 | Pharmacology | 3 | 8 | 5316 | 9059 |
| 346 | Nutrition | 1 | 8 | 6231 | 7718 |
| 346 | Higher Education | 1 | 8 | 1052 | 1216 |
| 346 | Metabolism | 1 | 8 | 4055 | 5491 |
| 346 | Political Sociology | 1 | 8 | 753 | 884 |
| 346 | ethnicity | 1 | 8 | 1273 | 1435 |
| 346 | Ethnic relations | 1 | 8 | 1036 | 1067 |
| 346 | Nationalism | 1 | 8 | 613 | 668 |
| 346 | Microfabrication | 2 | 8 | 541 | 1049 |
| 346 | Enteral nutrition | 1 | 8 | 1278 | 1948 |
| 346 | Nanomanufacturing | 2 | 8 | 166 | 250 |
| 346 | Parenteral nutrition | 1 | 8 | 1514 | 2231 |
| 346 | Solitons | 1 | 8 | 1745 | 2174 |
| 346 | Fractals | 1 | 8 | 1979 | 2353 |
| 346 | Chaos | 1 | 8 | 1745 | 2174 |
| 346 | Group Identity | 1 | 8 | 188 | 251 |
| 346 | health planning | 1 | 8 | 3358 | 4239 |
| 346 | shipbuilding | 4 | 8 | 86 | 181 |
| 364 | Histology | 1 | 7 | 2794 | 3810 |
| 364 | Journalism | 2 | 7 | 681 | 950 |
| 364 | Clinical Pharmacology | 2 | 7 | 1784 | 3151 |
| 364 | Geographic information systems | 1 | 7 | 1918 | 2397 |
| 364 | Scheduling | 1 | 7 | 268 | 427 |
| 364 | Production Scheduling | 1 | 7 | 268 | 427 |
| 364 | crime | 1 | 7 | 1013 | 1140 |
| 371 | Geography | 1 | 6 | 3374 | 4117 |
| 371 | Information Theory | 1 | 6 | 2090 | 2520 |
| 371 | Solid State Physics | 12 | 6 | 2238 | 5243 |
| 371 | Rural Development | 2 | 6 | 715 | 1294 |
| 371 | Electromagnetic compatibility | 1 | 6 | 713 | 956 |
| 371 | society | 1 | 6 | 198 | 300 |
| 371 | indoor air pollution | 1 | 6 | 773 | 1245 |
| 371 | Ventilation | 1 | 6 | 1006 | 1484 |
| 371 | Sick building syndrome | 1 | 6 | 773 | 1245 |
| 380 | Toxicology | 1 | 5 | 6563 | 8408 |
| 380 | Digital Media | 1 | 5 | 380 | 553 |
| 380 | Terahertz Technology | 2 | 5 | 215 | 493 |
| 380 | Speech Perception | 1 | 5 | 609 | 942 |
| 380 | auditory perception | 1 | 5 | 726 | 1081 |
| 380 | Ceramic materials | 1 | 5 | 2045 | 2718 |
| 380 | Magnetism | 1 | 5 | 391 | 413 |
| 380 | machinery | 1 | 5 | 1347 | 1796 |
| 380 | Oral communication | 1 | 5 | 727 | 1103 |
| 380 | Speech | 1 | 5 | 1365 | 1909 |
| 390 | Product Design | 1 | 4 | 874 | 1241 |
| 390 | Pharmaceutical Chemistry | 1 | 4 | 5324 | 6768 |
| 390 | air quality management | 1 | 4 | 999 | 1765 |
| 390 | Enzyme inhibitors | 1 | 4 | 774 | 1305 |
| 390 | Chemical kinetics | 2 | 4 | 992 | 1672 |
| 390 | Noise control | 2 | 4 | 409 | 243 |
| 390 | Entrepreneurship | 1 | 4 | 1631 | 2308 |
| 390 | Small Business | 1 | 4 | 1165 | 1701 |
| 390 | exobiology | 1 | 4 | 586 | 895 |
| 390 | water supply | 1 | 4 | 1479 | 2180 |
| 390 | Library Science | 1 | 4 | 2142 | 2255 |
| 390 | disaster relief | 1 | 4 | 456 | 863 |
| 390 | standardization | 1 | 4 | 148 | 231 |
| 403 | Thermodynamics | 2 | 3 | 1518 | 2497 |
| 403 | International Relations | 1 | 3 | 1858 | 2003 |
| 403 | Nanoelectronics | 1 | 3 | 1374 | 1834 |
| 403 | Microelectronics | 2 | 3 | 2113 | 3407 |
| 403 | Superconductors | 1 | 3 | 1413 | 1829 |
| 403 | Biomechanics | 4 | 3 | 1264 | 3264 |
| 403 | Superconductivity | 1 | 3 | 616 | 918 |
| 403 | scholarly publishing | 1 | 3 | 318 | 534 |
| 403 | Middle East | 1 | 3 | 1744 | 2170 |
| 403 | North Africa | 1 | 3 | 374 | 459 |
| 403 | organization | 1 | 3 | 1213 | 1807 |
| 403 | textile fibers | 1 | 3 | 809 | 1267 |
| 403 | Detectors | 1 | 3 | 2628 | 3599 |
| 403 | Semiconductor industry | 1 | 3 | 1095 | 1548 |
| 403 | Textile industry | 1 | 3 | 916 | 1269 |
| 403 | Agriculture | 1 | 3 | 3636 | 4784 |
| 403 | Vaccines | 1 | 3 | 3000 | 4324 |
| 420 | Meteorology | 1 | 2 | 3234 | 4658 |
| 420 | Architectural Acoustics | 1 | 2 | 112 | 189 |
| 420 | Oral Medicine | 1 | 2 | 1126 | 1793 |
| 420 | Atmospheric Physics | 1 | 2 | 2193 | 3136 |
| 420 | Metallurgy | 2 | 2 | 2814 | 4378 |
| 420 | Organizational change | 1 | 2 | 1225 | 1978 |
| 420 | Change management | 1 | 2 | 225 | 469 |
| 420 | Thin Films | 1 | 2 | 1054 | 1630 |
| 420 | Strategic planning | 1 | 2 | 1277 | 1971 |
| 420 | Ultrasonics | 2 | 2 | 1496 | 2878 |
| 420 | reasoning | 1 | 2 | 730 | 1111 |
| 420 | Soundproofing | 1 | 2 | 225 | 335 |
| 420 | drug therapy | 1 | 2 | 3505 | 5194 |
| 433 | Mechatronics | 1 | 1 | 1513 | 2323 |
| 433 | Econometrics | 1 | 1 | 2011 | 2749 |
| 433 | Sustainable Engineering | 1 | 1 | 2451 | 3571 |
| 433 | Algebra | 1 | 1 | 2040 | 2397 |
| 433 | Astrophysics | 1 | 1 | 3613 | 4678 |
| 433 | Topology | 1 | 1 | 508 | 682 |
| 433 | Statistical Mechanics | 1 | 1 | 1778 | 2391 |
| 433 | Total Quality Management | 1 | 1 | 1072 | 1772 |
| 433 | voice | 1 | 1 | 778 | 1287 |
| 433 | Bioactive compounds | 1 | 1 | 12 | 29 |
| 433 | Leadership | 1 | 1 | 859 | 1471 |
| 433 | Radiation | 1 | 1 | 3297 | 4603 |
| 433 | Technological Innovations | 5 | 1 | 791 | 2930 |
| 433 | Nanoparticles | 1 | 1 | 2689 | 3958 |
| 433 | Radio wave propagation | 1 | 1 | 1406 | 2099 |
| 433 | Radioisotopes | 1 | 1 | 1917 | 2799 |
| 433 | Transport | 1 | 1 | 1011 | 1681 |
| 433 | Alloys | 1 | 1 | 604 | 980 |
| 433 | Condensed Matter | 2 | 1 | 3557 | 5155 |
| 433 | Chemical reactors | 1 | 1 | 158 | 330 |
| 433 | India | 1 | 1 | 2793 | 3758 |
| 433 | miniaturization | 1 | 1 | 2709 | 4053 |
| 455 | Arts | 1 | 0 | 976 | 1383 |
| 455 | Psychiatry | 1 | 0 | 6073 | 8566 |
| 455 | Political Science | 1 | 0 | 2669 | 3640 |
| 455 | Database Management | 1 | 0 | 1310 | 2139 |
| 455 | Energy Storage | 1 | 0 | 1923 | 2744 |
| 455 | Stochastic Processes | 1 | 0 | 1501 | 2323 |
| 455 | Nonlinear functional analysis | 1 | 0 | 1649 | 2214 |
| 455 | Solid State Chemistry | 1 | 0 | 3176 | 4308 |
| 455 | Integrated Circuits | 1 | 0 | 1413 | 2066 |
| 455 | Venture Capital | 1 | 0 | 469 | 830 |
| 455 | Socioeconomic Factors | 1 | 0 | 1416 | 2635 |
| 455 | Microprocessors | 1 | 0 | 1089 | 1826 |
| 455 | Quantum Optics | 1 | 0 | 1346 | 1933 |
| 455 | Multilingualism | 1 | 0 | 527 | 959 |
| 455 | Drug delivery systems | 1 | 0 | 2436 | 3707 |
| 455 | Marriage | 1 | 0 | 861 | 1616 |
| 455 | Qualitative Research | 1 | 0 | 861 | 1615 |
| 455 | Drug delivery devices | 1 | 0 | 506 | 1005 |
| 455 | philology | 1 | 0 | 1164 | 1243 |
| 455 | Multimedia Systems | 1 | 0 | 2781 | 3925 |
| 455 | Family | 1 | 0 | 1519 | 2586 |
| 455 | protein | 1 | 0 | 1947 | 2926 |
| 455 | Ukraine | 1 | 0 | 254 | 322 |
| 455 | nanoscience | 1 | 0 | 3984 | 5542 |
| 455 | Atomic spectroscopy | 1 | 0 | 1743 | 2473 |
| 455 | Cement | 1 | 0 | 956 | 1513 |
| 455 | Laser Spectroscopy | 1 | 0 | 1302 | 1885 |
| 455 | Mental illness | 1 | 0 | 3038 | 4716 |
| 455 | Investments | 1 | 0 | 1051 | 1808 |
| 455 | Eigenvalues | 1 | 0 | 424 | 587 |
| 455 | Muscle contraction | 1 | 0 | 667 | 1138 |
