| 1 | Environment | 24 | 1.5K | 2259 | 2312 |
| 2 | Chemical Engineering | 45 | 1.3K | 1538 | 1754 |
| 3 | Renewable Energy Sources | 33 | 1.2K | 604 | 1108 |
| 4 | Biomass Energy | 35 | 1.0K | 653 | 968 |
| 5 | Materials | 58 | 1.0K | 1936 | 2548 |
| 6 | Ecology | 18 | 949 | 3617 | 3331 |
| 7 | Biochemical Engineering | 13 | 918 | 1914 | 1943 |
| 8 | Chemistry | 82 | 865 | 2809 | 5207 |
| 9 | Pollution | 24 | 778 | 2559 | 3000 |
| 10 | Environmental Policy | 16 | 757 | 1550 | 1578 |
| 11 | environmental protection | 35 | 734 | 939 | 1443 |
| 12 | Environmental Engineering | 51 | 724 | 832 | 1747 |
| 13 | Electrical Engineering | 50 | 687 | 944 | 682 |
| 14 | Artificial Intelligence | 49 | 665 | 911 | 1401 |
| 15 | Environmental Management | 9 | 627 | 2000 | 1540 |
| 16 | Engineering | 32 | 561 | 1429 | 1418 |
| 17 | Physics | 59 | 550 | 3493 | 7248 |
| 18 | Microbiology | 11 | 527 | 4867 | 4566 |
| 18 | Environmental Health | 14 | 527 | 3335 | 3335 |
| 20 | Sustainable Engineering | 18 | 501 | 632 | 827 |
| 21 | Environmental Chemistry | 17 | 469 | 888 | 1359 |
| 22 | Biotechnology | 16 | 446 | 3697 | 4271 |
| 23 | mass transfer | 10 | 429 | 1004 | 819 |
| 24 | Nanotechnology | 31 | 426 | 2098 | 3354 |
| 25 | environmental pollution | 12 | 417 | 2914 | 3059 |
| 26 | Electronics | 45 | 413 | 1053 | 1550 |
| 27 | Materials Science | 33 | 400 | 1907 | 2948 |
| 28 | Medicine | 13 | 393 | 8072 | 8135 |
| 29 | Fuzzy systems | 30 | 356 | 289 | 452 |
| 30 | Mathematics | 45 | 353 | 2230 | 2635 |
| 30 | Membranes | 4 | 353 | 1877 | 1333 |
| 32 | Systems Engineering | 18 | 340 | 807 | 845 |
| 33 | Environmental monitoring | 10 | 338 | 2697 | 2917 |
| 34 | Molecular Biology | 15 | 337 | 5279 | 6584 |
| 35 | Science | 11 | 336 | 8585 | 9428 |
| 36 | Biomedical Engineering | 11 | 319 | 3496 | 3399 |
| 37 | coal | 9 | 312 | 1016 | 1138 |
| 38 | Toxicology | 6 | 307 | 4499 | 3667 |
| 38 | Colloids | 28 | 307 | 1514 | 2731 |
| 40 | Solar Energy | 7 | 303 | 1276 | 1148 |
| 41 | Wireless Communication Systems | 41 | 301 | 382 | 849 |
| 42 | Signal Processing | 16 | 294 | 854 | 948 |
| 43 | Environmental Toxicology | 5 | 278 | 2340 | 2039 |
| 43 | Environmental pollutants | 5 | 278 | 2191 | 1666 |
| 45 | pollutants | 4 | 265 | 2020 | 1468 |
| 45 | environmental exposure | 4 | 265 | 2105 | 1374 |
| 47 | Telecommunication | 27 | 262 | 674 | 978 |
| 48 | Statistical physics | 11 | 248 | 2504 | 2364 |
| 49 | Polymers | 17 | 243 | 2650 | 3225 |
| 50 | Surface Chemistry | 19 | 241 | 1922 | 2912 |
| 50 | Technology | 18 | 241 | 2132 | 2820 |
| 52 | Optics | 27 | 239 | 2173 | 2693 |
| 53 | Spectrum analysis | 8 | 235 | 3586 | 3300 |
| 54 | Water | 3 | 224 | 2962 | 2414 |
| 55 | Neural circuitry | 10 | 220 | 1154 | 1459 |
| 56 | Manufacturing Processes | 12 | 219 | 1307 | 1590 |
| 57 | Number Theory | 18 | 218 | 290 | 186 |
| 58 | Botany | 5 | 216 | 3722 | 3330 |
| 58 | Optical materials | 7 | 216 | 2116 | 2244 |
| 60 | Egypt | 3 | 211 | 552 | 260 |
| 61 | Bioremediation | 5 | 209 | 636 | 547 |
| 61 | Computational Complexity | 4 | 209 | 1049 | 365 |
| 63 | Biocompatible Materials | 5 | 206 | 3615 | 3723 |
| 64 | Combustion | 3 | 205 | 1439 | 908 |
| 65 | Automation | 12 | 204 | 987 | 1283 |
| 65 | Telecommunication Systems | 38 | 204 | 238 | 838 |
| 67 | Information Science | 7 | 202 | 1931 | 1930 |
| 68 | Telecommunications | 42 | 201 | 33 | 268 |
| 69 | Recycling | 1 | 195 | 1228 | 773 |
| 70 | Information Technology | 8 | 191 | 1760 | 1482 |
| 71 | Biodegradation | 4 | 190 | 695 | 591 |
| 72 | Computer Engineering | 11 | 187 | 265 | 309 |
| 72 | Numerical Analysis | 16 | 187 | 1124 | 1354 |
| 74 | Microwaves | 19 | 186 | 431 | 446 |
| 75 | polymerization | 12 | 184 | 2595 | 3002 |
| 76 | Water pollution | 11 | 183 | 1734 | 2672 |
| 77 | Measurement | 7 | 182 | 854 | 817 |
| 78 | computer networks | 17 | 178 | 1070 | 1690 |
| 79 | Photonics | 4 | 177 | 1768 | 1641 |
| 79 | Cell Biology | 7 | 177 | 3708 | 4634 |
| 81 | Water quality management | 10 | 176 | 1095 | 1251 |
| 82 | nanoscience | 10 | 172 | 1986 | 2854 |
| 83 | plant molecular biology | 4 | 166 | 1541 | 1841 |
| 83 | Plants | 4 | 166 | 2263 | 2043 |
| 83 | Plant cells | 4 | 166 | 1177 | 1634 |
| 86 | Solid State Physics | 15 | 164 | 2359 | 2927 |
| 87 | actuators | 5 | 158 | 2065 | 2155 |
| 87 | transducers | 5 | 158 | 2065 | 2155 |
| 89 | Mechanical Engineering | 14 | 151 | 1363 | 1561 |
| 89 | Nanoparticles | 3 | 151 | 2233 | 1797 |
| 89 | miniaturization | 3 | 151 | 2226 | 2084 |
| 92 | Civil Engineering | 18 | 150 | 628 | 764 |
| 92 | Computational Intelligence | 11 | 150 | 338 | 482 |
| 94 | Sustainable Development | 8 | 148 | 1396 | 2010 |
| 94 | Production Engineering | 8 | 148 | 1374 | 1355 |
| 96 | Catalysis | 3 | 147 | 3823 | 3394 |
| 97 | Green Technology | 8 | 145 | 150 | 218 |
| 98 | pigments | 1 | 139 | 1520 | 668 |
| 99 | Molecular Spectroscopy | 4 | 135 | 1896 | 1544 |
| 100 | Bioengineering | 7 | 130 | 3764 | 5089 |
| 100 | water reuse | 7 | 130 | 118 | 253 |
| 102 | Fluid Dynamics | 7 | 125 | 884 | 1017 |
| 102 | Waste management | 8 | 125 | 925 | 1121 |
| 104 | Nanostructures | 6 | 124 | 1895 | 2363 |
| 105 | Water Purification | 7 | 118 | 784 | 935 |
| 106 | Biology | 10 | 116 | 7876 | 11532 |
| 106 | Metallography | 6 | 116 | 592 | 752 |
| 108 | Dynamics | 9 | 112 | 1192 | 1309 |
| 109 | Industrial Engineering | 7 | 111 | 1444 | 1849 |
| 110 | Building Materials | 4 | 110 | 1651 | 2022 |
| 111 | Transportation | 10 | 108 | 1003 | 1616 |
| 112 | Genetics | 3 | 106 | 5115 | 5293 |
| 113 | Intelligent Control Systems | 15 | 104 | 337 | 625 |
| 114 | vibration | 3 | 102 | 1466 | 1163 |
| 115 | Cybernetics | 5 | 100 | 1172 | 1337 |
| 115 | Mechatronics | 5 | 100 | 568 | 599 |
| 115 | Chromosome mapping | 2 | 100 | 2915 | 2681 |
| 115 | Fluorescence | 4 | 100 | 399 | 307 |
| 115 | gene mapping | 2 | 100 | 3173 | 3001 |
| 120 | Energy Policy | 8 | 98 | 1863 | 3490 |
| 121 | Economic History | 9 | 97 | 2619 | 2802 |
| 121 | Technological Innovations | 10 | 97 | 473 | 1083 |
| 123 | Radio wave propagation | 7 | 94 | 550 | 624 |
| 123 | management | 4 | 94 | 3539 | 3519 |
| 125 | Operations Research | 10 | 93 | 1465 | 2153 |
| 126 | Biochemistry | 13 | 89 | 6284 | 9838 |
| 127 | Calorimetry | 5 | 88 | 1017 | 1044 |
| 127 | Thermal analysis | 5 | 88 | 1017 | 1044 |
| 129 | Public Health | 1 | 85 | 11040 | 7370 |
| 129 | Organometallic chemistry | 6 | 85 | 1660 | 1858 |
| 129 | Industry | 1 | 85 | 519 | 507 |
| 132 | Human-Computer Interaction | 7 | 84 | 1080 | 1656 |
| 133 | Structural Engineering | 6 | 82 | 1351 | 1606 |
| 133 | Technology Assessment | 1 | 82 | 845 | 564 |
| 133 | energy development | 6 | 82 | 582 | 1211 |
| 133 | lasers | 4 | 82 | 2060 | 1732 |
| 137 | Nonlinear Dynamics | 6 | 79 | 1882 | 2343 |
| 137 | Composite Materials | 4 | 79 | 2758 | 3393 |
| 137 | Developing countries | 4 | 79 | 2613 | 2800 |
| 140 | Mathematical Physics | 2 | 78 | 4031 | 2561 |
| 141 | Cellulose | 1 | 77 | 1294 | 888 |
| 142 | microwave antennas | 5 | 74 | 339 | 357 |
| 143 | Nuclear Physics | 21 | 73 | 2412 | 4027 |
| 143 | Fracture mechanics | 3 | 73 | 1621 | 1596 |
| 145 | Microwave circuits | 10 | 72 | 22 | 47 |
| 145 | Radio frequency | 10 | 72 | 133 | 344 |
| 147 | Decision making | 2 | 70 | 2335 | 1866 |
| 148 | Environmental Geology | 3 | 69 | 1861 | 2008 |
| 148 | fuel cells | 3 | 69 | 1452 | 1765 |
| 148 | Earth Sciences | 10 | 69 | 2254 | 3739 |
| 151 | Computational Biology | 8 | 68 | 2321 | 3991 |
| 151 | Research | 2 | 68 | 13702 | 12428 |
| 153 | Organometallic compounds | 5 | 66 | 1112 | 1466 |
| 154 | internet | 6 | 65 | 922 | 1391 |
| 155 | Computer Science | 7 | 64 | 1664 | 2236 |
| 156 | Genetic engineering | 1 | 63 | 4189 | 3446 |
| 156 | Computer-Aided Design | 5 | 63 | 1104 | 1542 |
| 156 | Soft Condensed Matter | 6 | 63 | 899 | 1489 |
| 159 | Tribology | 6 | 62 | 967 | 1451 |
| 159 | Fuzzy Logic | 2 | 62 | 174 | 112 |
| 159 | Electrophoresis | 5 | 62 | 1605 | 2354 |
| 162 | Cryptography | 4 | 61 | 620 | 523 |
| 162 | Nanostructured Materials | 2 | 61 | 4075 | 4045 |
| 162 | Evolutionary Computation | 4 | 61 | 313 | 586 |
| 165 | Swarm Intelligence | 5 | 60 | 150 | 442 |
| 165 | Building | 7 | 60 | 439 | 623 |
| 165 | Metals | 9 | 60 | 1590 | 2796 |
| 168 | Metallurgy | 11 | 59 | 1600 | 2893 |
| 168 | Fuzzy Sets | 1 | 59 | 150 | 98 |
| 168 | Fuzzy algorithms | 1 | 59 | 150 | 98 |
| 168 | biopolymers | 5 | 59 | 1104 | 1715 |
| 172 | Thermodynamics | 5 | 58 | 1063 | 1134 |
| 173 | Transportation Engineering | 1 | 56 | 756 | 503 |
| 174 | Nondestructive testing | 4 | 54 | 680 | 861 |
| 174 | Mechanics | 3 | 54 | 1634 | 1402 |
| 174 | machinery | 6 | 54 | 565 | 964 |
| 177 | Control Theory | 8 | 53 | 1214 | 1802 |
| 177 | Smart Materials | 7 | 53 | 625 | 1265 |
| 179 | Bioinformatics | 2 | 52 | 3141 | 3243 |
| 179 | Multimedia Systems | 13 | 52 | 738 | 1843 |
| 181 | Electrochemistry | 7 | 51 | 3200 | 4480 |
| 181 | Microbial Metabolism | 2 | 51 | 297 | 489 |
| 181 | India | 15 | 51 | 673 | 1373 |
| 181 | mathematical analysis | 7 | 51 | 2002 | 2237 |
| 185 | Structural dynamics | 3 | 50 | 1199 | 1692 |
| 185 | Plant physiology | 1 | 50 | 3487 | 3304 |
| 185 | software | 3 | 50 | 1182 | 1684 |
| 188 | Industrial Microbiology | 2 | 49 | 2844 | 3441 |
| 188 | Microbial Biotechnology | 2 | 49 | 1499 | 1670 |
| 190 | Image Processing | 4 | 48 | 2051 | 2869 |
| 191 | Internet of Things | 3 | 46 | 753 | 932 |
| 191 | Fixed Point Theory | 4 | 46 | 254 | 224 |
| 193 | Microelectronics | 4 | 45 | 1907 | 2764 |
| 193 | Condensed Matter | 9 | 45 | 2640 | 3914 |
| 195 | Communication | 1 | 44 | 3934 | 2659 |
| 196 | Materials Engineering | 3 | 43 | 859 | 894 |
| 197 | Optoelectronics | 4 | 42 | 525 | 566 |
| 197 | Greenhouse gases | 1 | 42 | 735 | 779 |
| 199 | food technology | 4 | 39 | 2687 | 4243 |
| 200 | Fluid Mechanics | 4 | 37 | 1774 | 2403 |
| 201 | Education | 6 | 35 | 3500 | 4776 |
| 201 | China | 2 | 35 | 4319 | 4575 |
| 203 | Agricultural Engineering | 7 | 34 | 306 | 882 |
| 203 | Mobile Computing | 2 | 34 | 1688 | 1493 |
| 205 | Power Electronics | 6 | 33 | 494 | 976 |
| 205 | Architectural Design | 6 | 33 | 295 | 559 |
| 205 | Water quality | 2 | 33 | 358 | 491 |
| 205 | Ocean Engineering | 3 | 33 | 1827 | 2685 |
| 205 | Water chemistry | 2 | 33 | 563 | 678 |
| 210 | Green Chemistry | 1 | 32 | 2823 | 3202 |
| 210 | Earthquake Engineering | 2 | 32 | 1641 | 2056 |
| 212 | Cognitive Science | 4 | 31 | 1546 | 2792 |
| 212 | Simulation Methods | 1 | 31 | 2078 | 1688 |
| 212 | carbon monoxide | 1 | 31 | 737 | 909 |
| 215 | Analytical Chemistry | 2 | 29 | 6019 | 7005 |
| 215 | Coding Theory | 1 | 29 | 691 | 443 |
| 217 | Biophysics | 4 | 28 | 6429 | 9012 |
| 217 | Geophysics | 5 | 28 | 3502 | 5574 |
| 217 | Database Security | 2 | 28 | 131 | 173 |
| 220 | Pharmacognosy | 1 | 27 | 3365 | 3707 |
| 220 | Structural design | 1 | 27 | 1593 | 1484 |
| 220 | Medicinal plants | 1 | 27 | 2807 | 3038 |
| 223 | Energy Conversion | 3 | 25 | 1384 | 2340 |
| 223 | Educational Technology | 1 | 25 | 3053 | 2696 |
| 223 | solar power | 1 | 25 | 1585 | 1905 |
| 223 | solar cells | 1 | 25 | 1730 | 2066 |
| 223 | scientific societies | 2 | 25 | 1340 | 1868 |
| 223 | venom | 1 | 25 | 1861 | 1691 |
| 223 | Toxins | 1 | 25 | 2011 | 1830 |
| 230 | Biomass | 1 | 24 | 1355 | 1823 |
| 230 | natural gas | 1 | 24 | 860 | 929 |
| 232 | Heat Exchangers | 2 | 23 | 1626 | 2538 |
| 232 | Crystal growth | 2 | 23 | 1431 | 1919 |
| 232 | Detectors | 5 | 23 | 784 | 1614 |
| 235 | Engineering Mathematics | 6 | 22 | 2182 | 3599 |
| 235 | Electromagnetism | 6 | 22 | 572 | 1261 |
| 235 | energy conservation | 4 | 22 | 2011 | 4130 |
| 235 | Machining | 4 | 22 | 94 | 276 |
| 239 | Geosynthetics | 2 | 21 | 204 | 328 |
| 239 | Genomics | 2 | 21 | 4968 | 6681 |
| 239 | Infections | 1 | 21 | 2509 | 3062 |
| 239 | infection | 1 | 21 | 3434 | 3868 |
| 239 | Roads | 4 | 21 | 744 | 1167 |
| 239 | Molecular structure | 3 | 21 | 3047 | 4378 |
| 245 | Nuclear Engineering | 4 | 20 | 1337 | 1894 |
| 245 | Hydrology | 1 | 20 | 4471 | 4455 |
| 245 | Ceramics | 1 | 20 | 2726 | 2652 |
| 245 | Glass | 1 | 20 | 2063 | 2254 |
| 245 | pottery | 1 | 20 | 1987 | 2195 |
| 250 | Sensor Networks | 2 | 19 | 352 | 489 |
| 250 | particles | 3 | 19 | 1169 | 2167 |
| 250 | Iron | 1 | 19 | 781 | 812 |
| 250 | Granular materials | 2 | 19 | 871 | 1496 |
| 254 | Geology | 5 | 18 | 2944 | 4933 |
| 254 | Nuclear Energy | 2 | 18 | 1685 | 1801 |
| 254 | Signal Transduction | 1 | 18 | 2656 | 3251 |
| 254 | Quantum electronics | 1 | 18 | 2090 | 1695 |
| 254 | Photochemistry | 2 | 18 | 2633 | 3734 |
| 254 | environmental indicators | 1 | 18 | 2107 | 2791 |
| 254 | Integrated Circuits | 2 | 18 | 1133 | 1012 |
| 254 | Photobiology | 2 | 18 | 2082 | 3014 |
| 254 | Optoelectronic devices | 1 | 18 | 1762 | 1375 |
| 254 | cell interaction | 1 | 18 | 2344 | 2867 |
| 264 | Electrochemical Analysis | 1 | 17 | 2610 | 2914 |
| 264 | Luminescence | 1 | 17 | 2361 | 2509 |
| 264 | Chemical reactors | 4 | 17 | 43 | 104 |
| 267 | Software Engineering | 3 | 16 | 1228 | 1787 |
| 267 | Nanoelectronics | 2 | 16 | 1268 | 1598 |
| 267 | Physical Chemistry | 7 | 16 | 1862 | 4320 |
| 267 | Business Intelligence | 1 | 16 | 152 | 66 |
| 267 | big data | 1 | 16 | 1254 | 1269 |
| 267 | Nonlinear mechanics | 1 | 16 | 847 | 942 |
| 273 | Economics | 4 | 15 | 4401 | 6102 |
| 273 | Pediatrics | 1 | 15 | 5114 | 5756 |
| 273 | Pharmaceutical Chemistry | 1 | 15 | 6598 | 7349 |
| 273 | Digital electronics | 2 | 15 | 481 | 602 |
| 273 | Child | 1 | 15 | 4987 | 5167 |
| 273 | Mobile genetic elements | 1 | 15 | 232 | 379 |
| 273 | Semiconductors | 1 | 15 | 3554 | 3639 |
| 273 | Drug design | 1 | 15 | 3440 | 3938 |
| 273 | Child welfare | 1 | 15 | 2335 | 2573 |
| 273 | Fiber Optics | 1 | 15 | 1026 | 951 |
| 273 | Sulfur | 1 | 15 | 264 | 229 |
| 273 | Microstructure | 1 | 15 | 1757 | 1718 |
| 273 | Radio | 10 | 15 | 438 | 1383 |
| 273 | DNA | 1 | 15 | 1389 | 1670 |
| 287 | Statistics | 1 | 14 | 4731 | 4438 |
| 287 | Microbial Ecology | 2 | 14 | 3325 | 5505 |
| 287 | Energy Storage | 3 | 14 | 1486 | 2521 |
| 287 | Oxidative stress | 1 | 14 | 2308 | 3267 |
| 287 | Solid State Chemistry | 2 | 14 | 3246 | 4204 |
| 287 | Bibliometrics | 1 | 14 | 315 | 492 |
| 287 | free radicals | 1 | 14 | 2758 | 3476 |
| 287 | Protein engineering | 1 | 14 | 542 | 812 |
| 287 | molecular design | 1 | 14 | 603 | 819 |
| 287 | investigative techniques | 1 | 14 | 354 | 595 |
| 287 | Oxidation-reduction | 1 | 14 | 1609 | 2360 |
| 298 | Computer Graphics | 1 | 13 | 2997 | 3338 |
| 298 | Boundary Value Problems | 4 | 13 | 350 | 663 |
| 298 | Antenna Arrays | 4 | 13 | 124 | 309 |
| 298 | Asia | 5 | 13 | 2740 | 5637 |
| 298 | Africa | 3 | 13 | 2022 | 3155 |
| 298 | toxicity testing | 1 | 13 | 1648 | 2225 |
| 304 | Pharmacy | 1 | 12 | 4217 | 4976 |
| 304 | Neurochemistry | 1 | 12 | 4146 | 5128 |
| 304 | Optical Communications | 2 | 12 | 916 | 1346 |
| 304 | Quantum Gravity | 2 | 12 | 2399 | 2944 |
| 304 | geological modeling | 2 | 12 | 775 | 1348 |
| 304 | Hazardous waste | 1 | 12 | 1861 | 2724 |
| 310 | Environmental Microbiology | 1 | 11 | 2819 | 3931 |
| 310 | Kinetics | 2 | 11 | 778 | 1400 |
| 310 | Decision Support Systems | 1 | 11 | 694 | 863 |
| 310 | Nonlinear Optics | 1 | 11 | 626 | 627 |
| 310 | Ecosystem management | 1 | 11 | 1427 | 1842 |
| 310 | Chemical kinetics | 2 | 11 | 1125 | 1543 |
| 310 | Aquatic ecosystems | 1 | 11 | 432 | 530 |
| 310 | System analysis | 3 | 11 | 2980 | 5153 |
| 310 | hazard mitigation | 3 | 11 | 1065 | 2532 |
| 310 | Nonlinear systems | 1 | 11 | 1190 | 1325 |
| 310 | natural disasters | 3 | 11 | 1523 | 3252 |
| 310 | Aquatic ecology | 1 | 11 | 1879 | 2311 |
| 310 | Muscle contraction | 1 | 11 | 733 | 635 |
| 323 | Psychology | 2 | 10 | 7311 | 10005 |
| 323 | Cytology | 2 | 10 | 5980 | 8636 |
| 323 | Robotics | 1 | 10 | 3008 | 3483 |
| 323 | Cosmology | 4 | 10 | 1474 | 2201 |
| 323 | Astrophysics | 4 | 10 | 3293 | 5230 |
| 323 | Physical organic chemistry | 1 | 10 | 2386 | 2990 |
| 323 | Real-time control | 1 | 10 | 18 | 9 |
| 323 | Electrocardiography | 1 | 10 | 959 | 998 |
| 323 | Environmental Geochemistry | 1 | 10 | 1235 | 1758 |
| 323 | Bioorganic chemistry | 1 | 10 | 4629 | 5572 |
| 323 | Ceramic materials | 3 | 10 | 1557 | 2964 |
| 323 | Global warming | 1 | 10 | 354 | 467 |
| 323 | Electrophysiology | 1 | 10 | 2321 | 2663 |
| 323 | United States | 2 | 10 | 8434 | 11114 |
| 323 | Australia | 1 | 10 | 4126 | 4634 |
| 323 | Minerals | 1 | 10 | 1633 | 2194 |
| 339 | Astronomy | 1 | 9 | 4231 | 4888 |
| 339 | Information Systems | 1 | 9 | 3096 | 3927 |
| 339 | economic policy | 2 | 9 | 3554 | 4492 |
| 339 | Adaptive control systems | 1 | 9 | 1145 | 1402 |
| 339 | Serbia | 1 | 9 | 349 | 284 |
| 339 | Semiconductor industry | 1 | 9 | 1278 | 1560 |
| 339 | silicon | 4 | 9 | 331 | 1049 |
| 346 | Embedded Systems | 1 | 8 | 411 | 531 |
| 346 | Thin Films | 2 | 8 | 908 | 1551 |
| 346 | Urban Transportation | 1 | 8 | 420 | 660 |
| 349 | Physiology | 1 | 7 | 7204 | 8871 |
| 349 | Organic Chemistry | 2 | 7 | 4224 | 6066 |
| 349 | Geochemistry | 1 | 7 | 3416 | 4491 |
| 349 | Cosmochemistry | 1 | 7 | 1692 | 2427 |
| 349 | water supply | 1 | 7 | 1817 | 2556 |
| 349 | probabilities | 1 | 7 | 2173 | 2252 |
| 349 | synthesis | 1 | 7 | 1950 | 2352 |
| 356 | Pharmacology | 1 | 6 | 9187 | 11194 |
| 356 | Functional Analysis | 1 | 6 | 2032 | 2251 |
| 356 | Soil Mechanics | 2 | 6 | 1553 | 2451 |
| 356 | Rock Mechanics | 2 | 6 | 1230 | 2065 |
| 356 | Multiphase Flow | 1 | 6 | 730 | 1130 |
| 356 | data protection | 3 | 6 | 611 | 1643 |
| 362 | Data Mining | 1 | 5 | 3570 | 5049 |
| 362 | Engineering Geology | 1 | 5 | 2437 | 3244 |
| 362 | Bifurcation Theory | 1 | 5 | 1257 | 1584 |
| 362 | Soil dynamics | 1 | 5 | 871 | 1290 |
| 362 | Risk assessment | 1 | 5 | 1431 | 2233 |
| 362 | ecological risk assessment | 1 | 5 | 668 | 1185 |
| 362 | structural stability | 2 | 5 | 675 | 1383 |
| 362 | Emulsions | 2 | 5 | 551 | 1268 |
| 362 | Wind power | 1 | 5 | 683 | 1046 |
| 362 | cooling | 2 | 5 | 83 | 146 |
| 362 | vapor-liquid equilibrium | 2 | 5 | 83 | 146 |
| 362 | Health Risk Assessment | 1 | 5 | 1129 | 1786 |
| 362 | winds | 1 | 5 | 301 | 446 |
| 375 | Systems Theory | 3 | 4 | 732 | 1994 |
| 375 | Biostatistics | 1 | 4 | 479 | 679 |
| 375 | Mass Communication | 2 | 4 | 8 | 32 |
| 375 | Public Administration | 3 | 4 | 1730 | 3320 |
| 375 | Stochastic Processes | 1 | 4 | 1798 | 2413 |
| 375 | Quality Control | 1 | 4 | 3606 | 5046 |
| 375 | Structural health monitoring | 1 | 4 | 447 | 799 |
| 375 | Differential Equations | 1 | 4 | 1652 | 1957 |
| 375 | Mass Media | 2 | 4 | 1355 | 1848 |
| 375 | Computational Fluid Dynamics | 1 | 4 | 1329 | 1941 |
| 375 | sustainability | 2 | 4 | 1221 | 2778 |
| 375 | Drying | 1 | 4 | 797 | 1302 |
| 375 | food handling | 1 | 4 | 1806 | 2865 |
| 375 | Communication research | 2 | 4 | 8 | 32 |
| 375 | Solutions | 2 | 4 | 561 | 1145 |
| 375 | Agricultural systems | 1 | 4 | 703 | 1288 |
| 391 | Mining Engineering | 2 | 3 | 817 | 1520 |
| 391 | Public Relations | 2 | 3 | 680 | 1454 |
| 391 | Graph Theory | 2 | 3 | 1099 | 1681 |
| 391 | Machine Learning | 1 | 3 | 827 | 1261 |
| 391 | Food Preservation | 1 | 3 | 1548 | 2356 |
| 391 | Expert Systems | 1 | 3 | 539 | 1047 |
| 391 | Molecules | 1 | 3 | 2644 | 3407 |
| 391 | optical pattern recognition | 1 | 3 | 311 | 555 |
| 391 | construction industry | 1 | 3 | 339 | 596 |
| 391 | Combinatorial analysis | 2 | 3 | 1451 | 2028 |
| 391 | Heterocyclic compounds | 1 | 3 | 1873 | 2579 |
| 391 | World Wide Web | 1 | 3 | 973 | 1503 |
| 403 | Food Science | 1 | 2 | 503 | 1031 |
| 403 | Nanochemistry | 1 | 2 | 2275 | 3431 |
| 403 | Phytochemistry | 1 | 2 | 709 | 1350 |
| 403 | Economic Development | 2 | 2 | 2534 | 4725 |
| 403 | Nuclear Chemistry | 2 | 2 | 1649 | 2968 |
| 403 | Radiochemistry | 2 | 2 | 1562 | 2834 |
| 403 | Combinatorial optimization | 1 | 2 | 1002 | 1431 |
| 403 | Cognitive Radio Networks | 1 | 2 | 186 | 397 |
| 403 | Microfabrication | 1 | 2 | 879 | 1517 |
| 403 | Phytoremediation | 1 | 2 | 709 | 1350 |
| 403 | environmental remediation | 1 | 2 | 854 | 1586 |
| 403 | Molecular evolution | 1 | 2 | 3344 | 4964 |
| 403 | Bioreactors | 1 | 2 | 709 | 1350 |
| 403 | Nanomanufacturing | 1 | 2 | 268 | 434 |
| 403 | Parasitology | 1 | 2 | 4234 | 5861 |
| 403 | Welding | 1 | 2 | 689 | 980 |
| 403 | reasoning | 1 | 2 | 850 | 1302 |
| 403 | economic conditions | 1 | 2 | 1263 | 1688 |
| 403 | Methodology | 1 | 2 | 1070 | 1724 |
| 403 | High performance computing | 1 | 2 | 211 | 377 |
| 403 | Cancer | 1 | 2 | 6448 | 8425 |
| 424 | Fiction | 1 | 1 | 336 | 385 |
| 424 | Industrial Organization | 1 | 1 | 664 | 1191 |
| 424 | Psycholinguistics | 1 | 1 | 1743 | 2709 |
| 424 | Regenerative Medicine | 1 | 1 | 378 | 833 |
| 424 | Developmental Biology | 1 | 1 | 3792 | 5452 |
| 424 | Biological Systems | 2 | 1 | 1167 | 2881 |
| 424 | micromechanics | 1 | 1 | 1220 | 2016 |
| 424 | Social Systems | 1 | 1 | 585 | 1095 |
| 424 | microwave communication systems | 1 | 1 | 350 | 654 |
| 424 | Eastern Europe | 1 | 1 | 2010 | 2784 |
| 424 | Croatia | 1 | 1 | 302 | 450 |
| 424 | administrative agencies | 1 | 1 | 606 | 983 |
| 424 | Microwave devices | 1 | 1 | 332 | 568 |
| 424 | health planning | 1 | 1 | 4267 | 6486 |
| 438 | Information Theory | 1 | 0 | 2202 | 3312 |
| 438 | Linguistics | 3 | 0 | 1825 | 3946 |
| 438 | Photography | 1 | 0 | 3467 | 4429 |
| 438 | Nuclear Fusion | 1 | 0 | 1118 | 1736 |
| 438 | Group decision making | 1 | 0 | 936 | 1574 |
| 438 | Southeast Asia | 1 | 0 | 964 | 1680 |
| 438 | viruses | 1 | 0 | 2830 | 4370 |
| 438 | Imaging systems | 1 | 0 | 1680 | 2836 |
| 438 | fusion reactors | 1 | 0 | 859 | 1413 |
