| 1 | Physics | 971 | 15.8K | 416 | 951 |
| 2 | Chemistry | 856 | 13.7K | 470 | 967 |
| 3 | Solid State Physics | 735 | 10.2K | 143 | 342 |
| 4 | Condensed Matter | 361 | 7.7K | 284 | 402 |
| 5 | Materials | 409 | 7.4K | 416 | 737 |
| 6 | Nanotechnology | 138 | 5.0K | 687 | 763 |
| 7 | Astronomy | 254 | 4.9K | 355 | 544 |
| 8 | Astrophysics | 182 | 4.8K | 474 | 711 |
| 9 | Electrochemistry | 334 | 4.4K | 233 | 436 |
| 10 | Mathematics | 592 | 3.9K | 265 | 583 |
| 11 | Spectrum analysis | 166 | 3.7K | 488 | 746 |
| 12 | Materials Science | 134 | 3.3K | 587 | 783 |
| 13 | Biology | 111 | 3.2K | 1349 | 1844 |
| 14 | Metallurgy | 543 | 3.1K | 32 | 269 |
| 15 | Biochemistry | 159 | 3.0K | 1327 | 1682 |
| 16 | Optical materials | 169 | 2.9K | 160 | 427 |
| 17 | Science | 69 | 2.5K | 1931 | 2126 |
| 18 | Colloids | 101 | 2.3K | 598 | 840 |
| 19 | Molecular Biology | 111 | 2.2K | 1279 | 1750 |
| 20 | Nanostructured Materials | 54 | 2.2K | 737 | 668 |
| 21 | Ecology | 86 | 2.2K | 1098 | 1526 |
| 22 | Engineering | 118 | 2.1K | 385 | 487 |
| 23 | Heterocyclic compounds | 197 | 2.0K | 5 | 10 |
| 24 | Chemical Engineering | 109 | 2.0K | 768 | 1209 |
| 25 | Statistical physics | 112 | 2.0K | 596 | 717 |
| 26 | Polymers | 73 | 1.9K | 983 | 949 |
| 27 | Biocompatible Materials | 44 | 1.9K | 987 | 1033 |
| 28 | Catalysis | 70 | 1.9K | 864 | 1043 |
| 29 | Nuclear Energy | 155 | 1.8K | 45 | 62 |
| 30 | Environmental Management | 25 | 1.8K | 919 | 651 |
| 31 | Heterocyclic chemistry | 174 | 1.7K | 4 | 2 |
| 32 | Solid State Chemistry | 126 | 1.7K | 203 | 373 |
| 33 | Biophysics | 102 | 1.7K | 940 | 1335 |
| 34 | Social Change | 17 | 1.7K | 270 | 145 |
| 35 | Radiation | 122 | 1.5K | 83 | 242 |
| 36 | Metals | 78 | 1.5K | 270 | 428 |
| 37 | management | 19 | 1.5K | 1401 | 931 |
| 38 | Natural history | 42 | 1.5K | 697 | 1550 |
| 39 | Organic Chemistry | 91 | 1.5K | 493 | 740 |
| 40 | Nuclear Engineering | 84 | 1.5K | 178 | 146 |
| 41 | Renewable Energy Sources | 38 | 1.4K | 545 | 920 |
| 42 | Surface Chemistry | 123 | 1.4K | 508 | 1067 |
| 43 | Nuclear Physics | 116 | 1.3K | 897 | 1238 |
| 44 | Nonlinear Dynamics | 72 | 1.3K | 368 | 498 |
| 45 | nanoscience | 37 | 1.3K | 771 | 896 |
| 46 | Analytical Chemistry | 95 | 1.2K | 770 | 1276 |
| 47 | Ceramics | 240 | 1.2K | 27 | 221 |
| 48 | Energy Policy | 35 | 1.2K | 646 | 819 |
| 49 | Green Chemistry | 15 | 1.2K | 737 | 562 |
| 50 | biopolymers | 41 | 1.1K | 221 | 252 |
| 51 | Soft Condensed Matter | 43 | 1.1K | 207 | 245 |
| 52 | Electronics | 88 | 977 | 537 | 844 |
| 53 | Bioorganic chemistry | 49 | 965 | 601 | 844 |
| 54 | Radiochemistry | 97 | 948 | 40 | 74 |
| 55 | Composite Materials | 37 | 937 | 722 | 955 |
| 56 | Ferroelectricity | 162 | 926 | 18 | 115 |
| 57 | Biochemical Engineering | 22 | 913 | 1227 | 1438 |
| 58 | Mathematical Physics | 78 | 889 | 518 | 742 |
| 59 | Mineral resources | 28 | 887 | 39 | 68 |
| 60 | Optics | 107 | 875 | 727 | 1108 |
| 61 | Ceramic materials | 42 | 842 | 172 | 265 |
| 62 | Environmental Policy | 21 | 837 | 1102 | 1207 |
| 63 | Pollution | 34 | 816 | 1667 | 2165 |
| 64 | Neurology | 32 | 795 | 1402 | 1591 |
| 65 | pigments | 37 | 772 | 105 | 142 |
| 66 | Environment | 21 | 744 | 1738 | 2189 |
| 67 | Luminescence | 60 | 719 | 74 | 182 |
| 68 | energy resources | 16 | 712 | 477 | 651 |
| 69 | Environmental monitoring | 16 | 709 | 1670 | 1561 |
| 70 | Nanostructures | 22 | 700 | 591 | 703 |
| 70 | Leukemia | 2 | 700 | 803 | 393 |
| 72 | Organometallic chemistry | 45 | 694 | 333 | 438 |
| 73 | Semiconductors | 82 | 672 | 186 | 463 |
| 74 | Environmental Chemistry | 9 | 662 | 1112 | 866 |
| 74 | Nuclear Chemistry | 58 | 662 | 99 | 160 |
| 74 | mass transfer | 36 | 662 | 404 | 635 |
| 77 | Business | 13 | 655 | 1024 | 982 |
| 78 | Research | 36 | 638 | 2377 | 2818 |
| 79 | Sustainable Development | 22 | 623 | 486 | 704 |
| 80 | Magnetic Materials | 31 | 604 | 369 | 491 |
| 81 | Tourism | 12 | 600 | 742 | 689 |
| 82 | Electrochemical Analysis | 30 | 591 | 387 | 508 |
| 83 | Radiology | 54 | 578 | 168 | 286 |
| 84 | Technology Assessment | 6 | 563 | 171 | 71 |
| 85 | Refractory materials | 183 | 561 | 1 | 4 |
| 86 | Molecular Spectroscopy | 20 | 538 | 626 | 545 |
| 86 | coal | 14 | 538 | 685 | 731 |
| 88 | Biotechnology | 31 | 533 | 1778 | 2495 |
| 89 | Environmental Health | 23 | 531 | 1856 | 2274 |
| 90 | lasers | 58 | 530 | 335 | 635 |
| 91 | polymerization | 24 | 529 | 1492 | 1494 |
| 92 | Psychophysiology | 15 | 528 | 1196 | 1202 |
| 93 | Technology | 35 | 501 | 1022 | 1359 |
| 93 | Radioisotopes | 28 | 501 | 197 | 188 |
| 95 | Pharmaceutical Technology | 12 | 500 | 726 | 592 |
| 95 | Quantum theory | 23 | 500 | 287 | 302 |
| 97 | environmental pollution | 11 | 499 | 2274 | 2126 |
| 98 | cosmic rays | 50 | 493 | 28 | 81 |
| 99 | Economics | 29 | 485 | 1421 | 1443 |
| 100 | Marine Biology | 13 | 470 | 1206 | 1098 |
| 100 | Water pollution | 13 | 470 | 1313 | 1344 |
| 100 | Marine Pollution | 13 | 470 | 496 | 527 |
| 103 | Agricultural Chemistry | 8 | 468 | 1316 | 931 |
| 104 | actuators | 17 | 466 | 895 | 1040 |
| 104 | transducers | 17 | 466 | 895 | 1040 |
| 106 | Toxicology | 15 | 455 | 1993 | 2022 |
| 107 | Neurochemistry | 17 | 441 | 942 | 1055 |
| 107 | catalytic activity | 9 | 441 | 334 | 269 |
| 109 | Solitons | 39 | 440 | 108 | 348 |
| 109 | Fractals | 39 | 440 | 108 | 348 |
| 109 | Chaos | 39 | 440 | 108 | 348 |
| 112 | Physical organic chemistry | 26 | 430 | 361 | 515 |
| 113 | Dynamics | 23 | 429 | 457 | 424 |
| 114 | Medicine | 37 | 418 | 2589 | 3756 |
| 115 | Pharmaceutical Chemistry | 26 | 417 | 1228 | 1604 |
| 116 | Numerical Analysis | 42 | 412 | 512 | 799 |
| 117 | Nanoparticles | 15 | 406 | 787 | 864 |
| 118 | Nondestructive testing | 72 | 404 | 22 | 190 |
| 118 | energy conservation | 17 | 404 | 732 | 1161 |
| 120 | Quantum electronics | 48 | 393 | 260 | 543 |
| 120 | radiative transfer | 26 | 393 | 140 | 185 |
| 122 | Biomedical Engineering | 23 | 388 | 1805 | 2296 |
| 123 | human behavior | 5 | 372 | 1760 | 1463 |
| 124 | Bioengineering | 14 | 370 | 1886 | 2194 |
| 125 | fuel cells | 7 | 362 | 800 | 745 |
| 126 | Metallic Glasses | 17 | 360 | 116 | 169 |
| 127 | synthesis | 28 | 358 | 137 | 187 |
| 128 | Economic History | 49 | 338 | 661 | 1235 |
| 129 | Neuropsychology | 19 | 334 | 840 | 1065 |
| 129 | Glass | 34 | 334 | 207 | 471 |
| 131 | Optoelectronic devices | 38 | 333 | 74 | 170 |
| 132 | environmental protection | 17 | 323 | 1474 | 1933 |
| 133 | Energy Conversion | 5 | 309 | 913 | 902 |
| 134 | Neurophysiology | 16 | 296 | 1150 | 1482 |
| 135 | Data Mining | 8 | 292 | 904 | 823 |
| 135 | data collection | 8 | 292 | 549 | 547 |
| 137 | Mineralogy | 14 | 284 | 605 | 668 |
| 137 | Information Science | 7 | 284 | 1702 | 1462 |
| 139 | Phytochemistry | 6 | 282 | 109 | 69 |
| 139 | Phytoremediation | 6 | 282 | 109 | 69 |
| 139 | environmental remediation | 6 | 282 | 142 | 82 |
| 139 | Bioreactors | 6 | 282 | 109 | 69 |
| 143 | Pharmacology | 13 | 281 | 2212 | 2432 |
| 144 | Heat Exchangers | 11 | 274 | 628 | 823 |
| 145 | Europe | 12 | 270 | 1382 | 1277 |
| 146 | commerce | 8 | 268 | 910 | 807 |
| 147 | pottery | 15 | 265 | 379 | 538 |
| 148 | Geopolitics | 1 | 260 | 500 | 68 |
| 148 | Sovereignty | 1 | 260 | 259 | 31 |
| 150 | Planetary Science | 19 | 257 | 136 | 186 |
| 151 | Virology | 7 | 255 | 1523 | 1688 |
| 152 | Raman spectroscopy | 27 | 253 | 102 | 364 |
| 153 | Behavior | 5 | 252 | 2156 | 1964 |
| 154 | Crystal growth | 9 | 249 | 576 | 545 |
| 155 | System analysis | 8 | 241 | 1485 | 1295 |
| 156 | Meteorites | 17 | 238 | 388 | 680 |
| 157 | Geophysics | 24 | 236 | 1205 | 1851 |
| 157 | behavioral medicine | 2 | 236 | 1433 | 904 |
| 159 | Evolutionary Genetics | 5 | 234 | 442 | 274 |
| 159 | Molecular Epidemiology | 5 | 234 | 442 | 274 |
| 161 | Geography | 12 | 233 | 959 | 1150 |
| 162 | Radio | 33 | 231 | 388 | 863 |
| 163 | Psychiatry | 14 | 230 | 1702 | 2076 |
| 164 | Geology | 34 | 228 | 916 | 1537 |
| 164 | Thermodynamics | 21 | 228 | 309 | 429 |
| 164 | Entrepreneurship | 3 | 228 | 1013 | 796 |
| 167 | Botany | 11 | 226 | 1974 | 2273 |
| 167 | Earth Sciences | 37 | 226 | 879 | 1776 |
| 169 | Psychology | 9 | 223 | 2744 | 2419 |
| 169 | Superconductors | 12 | 223 | 426 | 362 |
| 169 | miniaturization | 15 | 223 | 736 | 1221 |
| 172 | Food additives | 4 | 218 | 879 | 797 |
| 173 | Organizational learning | 10 | 217 | 71 | 109 |
| 173 | Knowledge management | 10 | 217 | 56 | 52 |
| 175 | Entropy | 16 | 216 | 303 | 418 |
| 176 | Nutrition | 6 | 213 | 2541 | 2391 |
| 176 | Environmental Geology | 6 | 213 | 1135 | 1028 |
| 178 | China | 12 | 209 | 1386 | 1534 |
| 179 | Brain | 13 | 208 | 1213 | 1571 |
| 180 | Microstructure | 4 | 206 | 787 | 292 |
| 181 | Electrical Engineering | 38 | 202 | 901 | 1423 |
| 182 | Soil Science | 8 | 199 | 1110 | 1260 |
| 183 | Health Information Management | 1 | 198 | 660 | 454 |
| 183 | hydrocolloids | 3 | 198 | 595 | 622 |
| 185 | Solar Energy | 5 | 197 | 1372 | 1351 |
| 186 | Hydrology | 21 | 195 | 832 | 1440 |
| 186 | Smart Materials | 12 | 195 | 376 | 514 |
| 188 | Physical Chemistry | 33 | 192 | 607 | 1358 |
| 188 | Carbon | 7 | 192 | 817 | 1151 |
| 190 | Investment analysis | 3 | 187 | 1014 | 514 |
| 191 | Geochemistry | 10 | 179 | 1051 | 1299 |
| 191 | Calorimetry | 19 | 179 | 312 | 607 |
| 191 | Thermal analysis | 19 | 179 | 312 | 607 |
| 194 | Soviet Union | 58 | 176 | 25 | 131 |
| 195 | Microelectronics | 7 | 172 | 1123 | 1217 |
| 195 | Nervous system | 2 | 172 | 2300 | 1557 |
| 197 | Surface-Active Agents | 5 | 166 | 849 | 946 |
| 197 | Surface properties | 5 | 166 | 899 | 1015 |
| 199 | Cytology | 8 | 165 | 2133 | 2542 |
| 200 | Public Policy | 3 | 164 | 1610 | 1168 |
| 200 | Systems Analysis | 3 | 164 | 1160 | 664 |
| 202 | Photochemistry | 14 | 163 | 712 | 1181 |
| 202 | Thermochemistry | 13 | 163 | 198 | 313 |
| 202 | Photobiology | 14 | 163 | 487 | 950 |
| 202 | Russia | 67 | 163 | 11 | 18 |
| 206 | Biosensors | 3 | 159 | 1208 | 1279 |
| 207 | pollutants | 5 | 158 | 1398 | 1541 |
| 207 | Environmental pollutants | 5 | 158 | 1678 | 1754 |
| 209 | Rheology | 6 | 156 | 364 | 353 |
| 210 | Crystallography | 23 | 155 | 564 | 670 |
| 211 | Food | 3 | 151 | 2777 | 2299 |
| 212 | Physiology | 14 | 150 | 1794 | 2654 |
| 213 | Economic Development | 7 | 147 | 943 | 1221 |
| 213 | Cell Biology | 5 | 147 | 2352 | 2538 |
| 215 | Eurasia | 6 | 146 | 96 | 93 |
| 216 | Environmental Engineering | 14 | 145 | 1729 | 2670 |
| 216 | Diet | 2 | 145 | 1919 | 1642 |
| 218 | Clinical Chemistry | 4 | 141 | 1898 | 1830 |
| 219 | Automation | 25 | 139 | 759 | 1724 |
| 220 | Electromagnetism | 3 | 135 | 997 | 658 |
| 220 | organizational effectiveness | 3 | 135 | 430 | 273 |
| 222 | Geomorphology | 3 | 134 | 1269 | 1207 |
| 222 | International Finance | 5 | 134 | 1326 | 1293 |
| 224 | Metallography | 5 | 132 | 592 | 604 |
| 225 | Information Technology | 2 | 130 | 2900 | 1802 |
| 225 | Microbiology | 9 | 130 | 3104 | 3940 |
| 225 | Educational Technology | 2 | 130 | 1989 | 1249 |
| 228 | Game Theory | 8 | 129 | 310 | 353 |
| 229 | Drug design | 3 | 126 | 1436 | 1216 |
| 229 | Plant physiology | 16 | 126 | 906 | 1812 |
| 229 | consumers | 1 | 126 | 740 | 303 |
| 229 | Sales Promotion | 1 | 126 | 273 | 25 |
| 233 | Algebra | 26 | 124 | 488 | 701 |
| 234 | Artificial Intelligence | 11 | 123 | 2061 | 2751 |
| 234 | solar power | 2 | 123 | 1002 | 859 |
| 234 | solar cells | 2 | 123 | 1066 | 908 |
| 234 | Chemical industry | 52 | 123 | 145 | 835 |
| 238 | Sustainable Engineering | 6 | 120 | 1127 | 1490 |
| 238 | Operations Research | 4 | 120 | 1867 | 1642 |
| 240 | Energy Storage | 5 | 118 | 957 | 1052 |
| 241 | finance | 18 | 117 | 931 | 1686 |
| 242 | Social Sciences | 46 | 114 | 686 | 2151 |
| 242 | Structural design | 7 | 114 | 509 | 656 |
| 242 | Animal Behavior | 3 | 114 | 1648 | 1576 |
| 242 | Ethology | 3 | 114 | 1298 | 1365 |
| 242 | Human Resources | 1 | 114 | 845 | 552 |
| 242 | Cerebral cortex | 1 | 114 | 1131 | 803 |
| 248 | Computational Biology | 6 | 113 | 1617 | 1844 |
| 249 | Industrial Engineering | 3 | 112 | 1702 | 1487 |
| 250 | Fractional Calculus | 6 | 109 | 46 | 101 |
| 251 | Paleontology | 17 | 108 | 495 | 920 |
| 251 | atmospheric models | 4 | 108 | 491 | 593 |
| 251 | Solar System | 4 | 108 | 617 | 623 |
| 254 | Corporate governance | 1 | 107 | 1096 | 607 |
| 254 | forest policy | 2 | 107 | 422 | 266 |
| 254 | corporate culture | 1 | 107 | 414 | 189 |
| 257 | Telecommunication | 17 | 104 | 1100 | 1950 |
| 258 | Neurobiology | 4 | 103 | 1186 | 1409 |
| 258 | Organometallic compounds | 6 | 103 | 950 | 1070 |
| 260 | Atmospheric Physics | 9 | 101 | 818 | 1279 |
| 261 | Measurement | 3 | 100 | 1365 | 1126 |
| 261 | Technological Innovations | 4 | 100 | 907 | 973 |
| 263 | Mechanical Engineering | 59 | 99 | 408 | 1622 |
| 263 | energy development | 8 | 99 | 376 | 889 |
| 263 | Developing countries | 9 | 99 | 1254 | 1820 |
| 266 | Plant Ecology | 2 | 98 | 1830 | 1664 |
| 266 | Semigroups | 23 | 98 | 22 | 76 |
| 268 | Systems Engineering | 11 | 94 | 1118 | 1800 |
| 269 | food technology | 2 | 93 | 2679 | 2339 |
| 269 | Evolution | 16 | 93 | 719 | 1561 |
| 271 | Econometrics | 4 | 92 | 1182 | 992 |
| 272 | Eating Disorders | 5 | 91 | 584 | 737 |
| 272 | Feeding and Eating Disorders | 5 | 91 | 558 | 721 |
| 272 | Sports | 2 | 91 | 2245 | 1484 |
| 275 | Bioinorganic chemistry | 8 | 90 | 870 | 1285 |
| 275 | Radiobiology | 4 | 90 | 892 | 968 |
| 275 | Cosmochemistry | 2 | 90 | 974 | 873 |
| 275 | biological evolution | 11 | 90 | 975 | 1933 |
| 279 | Nursing | 8 | 89 | 1147 | 1390 |
| 279 | Differential Equations | 28 | 89 | 232 | 780 |
| 281 | Pharmacy | 3 | 87 | 1813 | 1793 |
| 281 | drugs | 3 | 87 | 1725 | 1645 |
| 283 | Combustion | 11 | 86 | 604 | 1149 |
| 283 | soil conservation | 3 | 86 | 769 | 805 |
| 283 | soil pollution | 3 | 86 | 544 | 493 |
| 283 | Superconductivity | 6 | 86 | 298 | 334 |
| 287 | Biomass Energy | 4 | 85 | 2031 | 2498 |
| 288 | Petroleum Engineering | 42 | 84 | 110 | 626 |
| 288 | Minerals | 8 | 84 | 357 | 770 |
| 290 | Telecommunications | 15 | 82 | 172 | 597 |
| 291 | Recombinant DNA | 2 | 81 | 1592 | 1325 |
| 291 | Molecular structure | 7 | 81 | 1636 | 2033 |
| 293 | technology transfer | 1 | 80 | 556 | 309 |
| 293 | silicon | 9 | 80 | 121 | 226 |
| 295 | Molecular evolution | 8 | 79 | 794 | 1590 |
| 295 | Religion and Culture | 1 | 79 | 567 | 210 |
| 295 | innovation | 1 | 79 | 1023 | 838 |
| 295 | research and development | 1 | 79 | 597 | 427 |
| 299 | Genetic engineering | 1 | 78 | 2496 | 1861 |
| 299 | Total Quality Management | 2 | 78 | 738 | 563 |
| 299 | Molecular cloning | 1 | 78 | 1921 | 1304 |
| 299 | Genetic recombination | 1 | 78 | 1890 | 1290 |
| 299 | Petroleum | 8 | 78 | 116 | 156 |
| 299 | Hydrocarbons | 8 | 78 | 51 | 77 |
| 299 | India | 9 | 78 | 654 | 741 |
| 306 | sanitation | 6 | 77 | 971 | 1733 |
| 306 | patents | 1 | 77 | 180 | 39 |
| 308 | Neural circuitry | 2 | 76 | 2317 | 2140 |
| 308 | Bioinformatics | 5 | 76 | 1444 | 1761 |
| 310 | Atmospheric Chemistry | 3 | 75 | 773 | 982 |
| 311 | Public Administration | 4 | 74 | 1154 | 1090 |
| 311 | Bioelectronics | 1 | 74 | 1556 | 1562 |
| 313 | Fluid Dynamics | 2 | 73 | 1252 | 1011 |
| 313 | Natural resources | 1 | 73 | 1154 | 837 |
| 313 | sustainability | 3 | 73 | 859 | 1096 |
| 316 | Biogeography | 3 | 72 | 919 | 1167 |
| 316 | Money | 1 | 72 | 665 | 493 |
| 316 | Plants | 6 | 72 | 1377 | 1925 |
| 319 | Petrology | 3 | 69 | 839 | 926 |
| 319 | Molecular Genetics | 3 | 69 | 1512 | 1881 |
| 321 | Humanities | 21 | 67 | 412 | 1371 |
| 321 | Aerodynamics | 10 | 67 | 33 | 26 |
| 323 | Radiation effects | 1 | 66 | 1053 | 873 |
| 324 | Logic | 21 | 65 | 91 | 307 |
| 324 | Bifurcation Theory | 5 | 65 | 150 | 240 |
| 324 | investigative techniques | 1 | 65 | 303 | 232 |
| 327 | Environmental Toxicology | 2 | 63 | 2531 | 2647 |
| 327 | Human Geography | 3 | 63 | 1051 | 1007 |
| 327 | environmental exposure | 2 | 63 | 2086 | 2173 |
| 330 | Engineering Mathematics | 6 | 62 | 1353 | 1540 |
| 330 | Plastics | 4 | 62 | 1439 | 1576 |
| 330 | nuclear power | 7 | 62 | 259 | 325 |
| 330 | Biomolecules | 1 | 62 | 765 | 671 |
| 334 | Environmental Economics | 3 | 61 | 381 | 427 |
| 335 | Tribology | 1 | 60 | 1593 | 1167 |
| 335 | Microbial Ecology | 2 | 60 | 2119 | 2471 |
| 337 | Analytical Biochemistry | 4 | 59 | 1438 | 1680 |
| 337 | Computer-Aided Design | 6 | 59 | 818 | 1268 |
| 337 | industrial relations | 1 | 59 | 1319 | 802 |
| 340 | Environmental Geochemistry | 3 | 58 | 552 | 700 |
| 340 | peptides | 2 | 58 | 970 | 796 |
| 340 | Approximation Theory | 7 | 58 | 272 | 368 |
| 340 | proteins | 2 | 58 | 1947 | 1857 |
| 344 | Regional Planning | 14 | 57 | 652 | 1494 |
| 344 | Algorithms | 7 | 57 | 428 | 678 |
| 344 | environmental indicators | 1 | 57 | 1696 | 1591 |
| 344 | Cardiac electrophysiology | 1 | 57 | 351 | 315 |
| 344 | Corporate Social Responsibility | 1 | 57 | 646 | 660 |
| 344 | environmental auditing | 1 | 57 | 668 | 667 |
| 344 | Electrophysiology | 1 | 57 | 1220 | 864 |
| 344 | arrhythmia | 1 | 57 | 351 | 315 |
| 352 | Engineering Physics | 33 | 55 | 13 | 40 |
| 352 | cryosphere | 1 | 55 | 528 | 473 |
| 352 | Ore deposits | 2 | 55 | 610 | 617 |
| 352 | Catalysts | 2 | 55 | 855 | 783 |
| 356 | Zoology | 5 | 54 | 1888 | 2105 |
| 356 | Fracture mechanics | 4 | 54 | 1168 | 1434 |
| 358 | Psychopharmacology | 6 | 53 | 895 | 1461 |
| 358 | Lattice Theory | 9 | 53 | 76 | 116 |
| 358 | Sound | 7 | 53 | 648 | 944 |
| 358 | pain | 3 | 53 | 1094 | 1313 |
| 362 | Sustainable Architecture | 2 | 52 | 229 | 124 |
| 362 | Comparative Education | 1 | 52 | 473 | 215 |
| 362 | Radiation Protection | 6 | 52 | 350 | 437 |
| 362 | Developmental Biology | 7 | 52 | 1128 | 2055 |
| 362 | radiation monitoring | 6 | 52 | 298 | 403 |
| 362 | International Education | 1 | 52 | 501 | 302 |
| 362 | Radiation dosimetry | 6 | 52 | 230 | 312 |
| 362 | mathematical analysis | 10 | 52 | 1530 | 1974 |
| 362 | drug evaluation | 6 | 52 | 846 | 1449 |
| 371 | Chronobiology | 4 | 51 | 383 | 580 |
| 371 | biological clocks | 4 | 51 | 383 | 580 |
| 371 | Computational Complexity | 9 | 51 | 524 | 1012 |
| 371 | circadian rhythm | 4 | 51 | 383 | 580 |
| 371 | biological rhythms | 4 | 51 | 353 | 571 |
| 376 | Education | 6 | 50 | 2520 | 3083 |
| 376 | Spectroscopy | 9 | 50 | 40 | 46 |
| 376 | Teaching | 5 | 50 | 1367 | 1773 |
| 376 | Communist countries | 5 | 50 | 104 | 153 |
| 380 | Plant Morphology | 2 | 49 | 750 | 700 |
| 380 | Green Technology | 4 | 49 | 279 | 598 |
| 380 | Lightweight concrete | 1 | 49 | 703 | 845 |
| 380 | concrete | 1 | 49 | 1325 | 1297 |
| 384 | Political Science | 27 | 48 | 547 | 1362 |
| 385 | Chromosome mapping | 2 | 47 | 1774 | 2029 |
| 385 | gene mapping | 2 | 47 | 1890 | 2201 |
| 387 | Endocrinology | 2 | 46 | 2408 | 2612 |
| 387 | Population Genetics | 3 | 46 | 1058 | 1474 |
| 387 | Quality Control | 1 | 46 | 2516 | 2133 |
| 387 | food handling | 1 | 46 | 1463 | 1399 |
| 391 | Immunotherapy | 4 | 45 | 1288 | 1888 |
| 391 | Public Relations | 1 | 45 | 812 | 541 |
| 391 | Paleobiology | 7 | 45 | 177 | 335 |
| 391 | Organizational change | 4 | 45 | 639 | 931 |
| 391 | Immunopharmacology | 4 | 45 | 865 | 1321 |
| 391 | economic policy | 4 | 45 | 1964 | 2087 |
| 391 | Drug delivery systems | 2 | 45 | 1756 | 1936 |
| 391 | cytokines | 4 | 45 | 952 | 1539 |
| 391 | Phylogeny | 1 | 45 | 1268 | 1270 |
| 400 | Ultrasonics | 6 | 44 | 825 | 1733 |
| 400 | Agricultural systems | 1 | 44 | 534 | 577 |
| 400 | Cancer | 2 | 44 | 2488 | 2855 |
| 403 | Sleep Disorders | 1 | 43 | 1799 | 1439 |
| 403 | diffusion | 32 | 43 | 20 | 115 |
| 403 | Sulfur | 2 | 43 | 147 | 94 |
| 403 | Membranes | 3 | 43 | 1491 | 1983 |
| 403 | Sleep | 1 | 43 | 1854 | 1462 |
| 408 | micromechanics | 4 | 42 | 496 | 775 |
| 408 | Small Business | 1 | 42 | 1151 | 1256 |
| 410 | Quantum Mechanics | 13 | 41 | 32 | 119 |
| 410 | Combinatorial chemistry | 1 | 41 | 1059 | 1087 |
| 410 | Quantum Optics | 6 | 41 | 629 | 964 |
| 410 | exobiology | 2 | 41 | 354 | 468 |
| 410 | Zeolites | 4 | 41 | 828 | 1403 |
| 410 | Atomic spectroscopy | 6 | 41 | 794 | 1221 |
| 410 | Laser Spectroscopy | 6 | 41 | 580 | 921 |
| 410 | Extreme environments | 1 | 41 | 437 | 482 |
| 410 | environmental issues | 6 | 41 | 228 | 736 |
| 419 | Robotics | 2 | 40 | 1892 | 1887 |
| 419 | Circadian rhythms | 3 | 40 | 349 | 589 |
| 419 | Water | 2 | 40 | 2517 | 2964 |
| 419 | philology | 62 | 40 | 26 | 133 |
| 423 | Fluid Mechanics | 9 | 39 | 877 | 1604 |
| 423 | Municipal Engineering | 2 | 39 | 444 | 608 |
| 423 | Waste management | 2 | 39 | 1663 | 1708 |
| 423 | Magnetic Resonance Spectroscopy | 11 | 39 | 576 | 1104 |
| 427 | Genomics | 2 | 38 | 2798 | 3079 |
| 427 | plant molecular biology | 1 | 38 | 1944 | 2031 |
| 427 | Nanotubes | 2 | 38 | 250 | 194 |
| 430 | Economic Geography | 1 | 37 | 628 | 520 |
| 430 | Securities | 2 | 37 | 458 | 614 |
| 430 | Cannabis | 1 | 37 | 187 | 160 |
| 430 | cannabinoids | 1 | 37 | 170 | 145 |
| 430 | biological invasions | 5 | 37 | 433 | 904 |
| 430 | stocks | 2 | 37 | 194 | 381 |
| 436 | Genetics | 5 | 36 | 2317 | 3513 |
| 436 | Immunology | 1 | 36 | 3125 | 2939 |
| 436 | Inflammation | 1 | 36 | 1465 | 1537 |
| 439 | Philosophy | 13 | 35 | 794 | 1086 |
| 439 | Climatology | 3 | 35 | 1587 | 2078 |
| 439 | Algebraic Logic | 17 | 35 | 6 | 15 |
| 439 | nuclear magnetic resonance | 9 | 35 | 568 | 988 |
| 439 | Animal welfare | 1 | 35 | 516 | 454 |
| 439 | Investments | 3 | 35 | 542 | 729 |
| 445 | Shock Waves | 6 | 34 | 98 | 212 |
| 445 | Ultrasound | 5 | 34 | 523 | 1001 |
| 445 | Radio frequency | 5 | 34 | 315 | 649 |
| 448 | Obesity | 2 | 33 | 1784 | 2225 |
| 449 | Computer Science | 12 | 32 | 932 | 2345 |
| 449 | Photonics | 4 | 32 | 1490 | 2163 |
| 449 | Medical innovations | 2 | 32 | 973 | 1517 |
| 449 | Combinatorial analysis | 3 | 32 | 1034 | 917 |
| 453 | Pharmacokinetics | 2 | 31 | 969 | 1306 |
| 453 | Emulsions | 1 | 31 | 729 | 497 |
| 453 | Moon | 2 | 31 | 180 | 176 |
| 456 | Chemical kinetics | 5 | 30 | 582 | 873 |
| 457 | Medical Laboratory Science | 2 | 29 | 2006 | 2622 |
| 457 | Intercultural Communication | 3 | 29 | 438 | 722 |
| 457 | Industrial Microbiology | 2 | 29 | 2111 | 2704 |
| 457 | infrared radiation | 6 | 29 | 387 | 813 |
| 457 | structural stability | 1 | 29 | 518 | 598 |
| 457 | Detectors | 2 | 29 | 1744 | 2034 |
| 463 | Stochastic Processes | 1 | 28 | 1451 | 1178 |
| 463 | Cross-Cultural Studies | 2 | 28 | 926 | 1142 |
| 463 | Eastern Europe | 8 | 28 | 395 | 967 |
| 463 | Japan | 3 | 28 | 1737 | 2161 |
| 463 | Fluorescence | 4 | 28 | 376 | 713 |
| 468 | Manufacturing Processes | 7 | 27 | 1513 | 2662 |
| 468 | Regional Economics | 3 | 27 | 472 | 720 |
| 470 | Hydraulic Engineering | 13 | 26 | 368 | 1163 |
| 470 | Educational Psychology | 5 | 26 | 1047 | 1869 |
| 470 | Control Theory | 4 | 26 | 1527 | 1991 |
| 470 | Origin of life | 4 | 26 | 96 | 263 |
| 470 | Organelle biogenesis | 4 | 26 | 161 | 385 |
| 475 | Production Engineering | 5 | 25 | 1510 | 2390 |
| 475 | Image Processing | 9 | 25 | 1311 | 2650 |
| 475 | Popular culture | 2 | 25 | 698 | 502 |
| 475 | dietary supplements | 2 | 25 | 1074 | 1585 |
| 475 | Aerosols | 4 | 25 | 431 | 784 |
| 475 | Welding | 8 | 25 | 111 | 280 |
| 475 | optical pattern recognition | 9 | 25 | 38 | 175 |
| 475 | Radio waves | 5 | 25 | 647 | 1171 |
| 475 | North America | 1 | 25 | 1310 | 1124 |
| 475 | Cellulose | 1 | 25 | 1080 | 1229 |
| 475 | Culture | 2 | 25 | 1280 | 1245 |
| 475 | optical devices | 1 | 25 | 822 | 764 |
| 475 | aerosol | 4 | 25 | 320 | 591 |
| 488 | Computer Architecture | 1 | 24 | 913 | 713 |
| 488 | Plate Tectonics | 1 | 24 | 477 | 468 |
| 488 | Molecular ecology | 2 | 24 | 1070 | 1700 |
| 488 | Magnetism | 6 | 24 | 79 | 142 |
| 492 | Medical Technology | 1 | 23 | 2270 | 2243 |
| 492 | Ocean-atmosphere interaction | 5 | 23 | 51 | 84 |
| 492 | Biodiversity | 3 | 23 | 2027 | 2733 |
| 495 | Archaeology | 4 | 22 | 1096 | 1473 |
| 495 | Sociology | 3 | 22 | 2887 | 3729 |
| 495 | Biometrics | 3 | 22 | 908 | 1230 |
| 495 | Sites | 2 | 22 | 639 | 1010 |
| 495 | Population | 1 | 22 | 1385 | 1442 |
| 495 | recreation | 1 | 22 | 1060 | 954 |
| 495 | Leisure | 1 | 22 | 584 | 688 |
| 502 | Nanoelectronics | 2 | 21 | 917 | 1054 |
| 502 | Transportation | 2 | 21 | 1801 | 2217 |
| 502 | Infrared spectroscopy | 2 | 21 | 425 | 741 |
| 502 | Mechanics | 13 | 21 | 559 | 1702 |
| 502 | Planets | 4 | 21 | 1104 | 1914 |
| 502 | Memory | 2 | 21 | 1574 | 2062 |
| 502 | genome | 1 | 21 | 1861 | 2074 |
| 509 | Pesticide residues | 1 | 20 | 154 | 247 |
| 509 | Transnational corporations | 2 | 20 | 518 | 931 |
| 509 | soil microbiology | 1 | 20 | 1931 | 2368 |
| 509 | food contamination | 1 | 20 | 1673 | 1635 |
| 509 | Formal Languages | 5 | 20 | 192 | 367 |
| 509 | forestry | 1 | 20 | 395 | 434 |
| 509 | Plant diseases | 2 | 20 | 1970 | 2362 |
| 509 | extraterrestrial environment | 2 | 20 | 710 | 920 |
| 509 | Cell metabolism | 2 | 20 | 737 | 1229 |
| 509 | astronomical phenomena | 2 | 20 | 644 | 861 |
| 509 | Entomology | 3 | 20 | 2099 | 2571 |
| 520 | Information Theory | 2 | 19 | 1524 | 1779 |
| 520 | Computer Graphics | 3 | 19 | 1660 | 2334 |
| 520 | Pharmacognosy | 1 | 19 | 2496 | 2812 |
| 520 | Urban Policy | 1 | 19 | 1398 | 1567 |
| 520 | Mental Disorders | 10 | 19 | 1314 | 3195 |
| 520 | Medicinal plants | 1 | 19 | 2038 | 2388 |
| 520 | international trade | 1 | 19 | 1287 | 1198 |
| 520 | plasma spraying | 1 | 19 | 407 | 457 |
| 520 | ecosystem | 1 | 19 | 1793 | 2117 |
| 520 | Microbiota | 1 | 19 | 199 | 240 |
| 520 | Africa | 3 | 19 | 1519 | 1895 |
| 520 | Microorganisms | 1 | 19 | 1419 | 1690 |
| 520 | Plasma devices | 1 | 19 | 481 | 530 |
| 533 | Public Health | 7 | 18 | 2935 | 5340 |
| 533 | Biomechanics | 1 | 18 | 1833 | 1971 |
| 533 | marketing | 1 | 18 | 2666 | 2782 |
| 533 | Insects | 1 | 18 | 1992 | 1881 |
| 533 | freshwater biology | 7 | 18 | 533 | 1498 |
| 538 | Organizational Sociology | 2 | 17 | 464 | 687 |
| 538 | Social Psychology | 3 | 17 | 2092 | 3075 |
| 538 | Kinetics | 1 | 17 | 908 | 922 |
| 538 | Change management | 2 | 17 | 146 | 270 |
| 538 | Rock deformation | 1 | 17 | 374 | 504 |
| 538 | Quantum Communication | 1 | 17 | 316 | 405 |
| 538 | Quantum Gravity | 1 | 17 | 2288 | 2259 |
| 538 | Mass Spectrometry | 2 | 17 | 1187 | 1538 |
| 538 | Strategic planning | 2 | 17 | 964 | 1430 |
| 538 | Geodynamics | 1 | 17 | 1133 | 1270 |
| 538 | particles | 2 | 17 | 1267 | 1788 |
| 538 | biological factors | 3 | 17 | 1816 | 2781 |
| 538 | geological modeling | 3 | 17 | 519 | 1011 |
| 538 | organization | 2 | 17 | 986 | 1469 |
| 538 | hygiene | 5 | 17 | 325 | 1004 |
| 538 | Agriculture | 2 | 17 | 2284 | 2898 |
| 554 | History | 13 | 16 | 540 | 750 |
| 554 | Hydrogeology | 1 | 16 | 1061 | 1223 |
| 554 | community development | 5 | 16 | 416 | 1095 |
| 554 | Regionalism | 5 | 16 | 128 | 474 |
| 554 | Behavioral Finance | 1 | 16 | 143 | 192 |
| 554 | civilization | 14 | 16 | 410 | 838 |
| 554 | polar regions | 1 | 16 | 935 | 1044 |
| 554 | Communication | 2 | 16 | 2363 | 2900 |
| 554 | Groundwater | 1 | 16 | 843 | 1037 |
| 563 | air quality management | 3 | 15 | 490 | 1264 |
| 563 | Crystallization | 3 | 15 | 501 | 720 |
| 563 | Chemical structure | 3 | 15 | 525 | 944 |
| 566 | Comparative Physiology | 1 | 14 | 1104 | 1358 |
| 566 | Regenerative Medicine | 1 | 14 | 309 | 409 |
| 566 | Neuropharmacology | 1 | 14 | 887 | 1025 |
| 566 | Intelligent Control Systems | 1 | 14 | 1976 | 1745 |
| 566 | animals | 1 | 14 | 1746 | 1819 |
| 566 | administrative agencies | 1 | 14 | 539 | 549 |
| 566 | civil service | 1 | 14 | 620 | 709 |
| 566 | Animal | 1 | 14 | 336 | 474 |
| 574 | Political Sociology | 20 | 13 | 100 | 812 |
| 574 | Medical Physics | 1 | 13 | 1855 | 2074 |
| 574 | Urban Geography | 1 | 13 | 413 | 538 |
| 574 | Geochemical Modeling | 1 | 13 | 367 | 484 |
| 574 | Scheduling | 1 | 13 | 275 | 377 |
| 574 | Production Scheduling | 1 | 13 | 275 | 377 |
| 574 | Hormones | 1 | 13 | 1544 | 1868 |
| 574 | Granular materials | 1 | 13 | 1069 | 1408 |
| 574 | Semiconductor industry | 1 | 13 | 935 | 1023 |
| 574 | health planning | 1 | 13 | 3034 | 3237 |
| 574 | vitamins | 1 | 13 | 285 | 478 |
| 585 | Clinical Psychology | 1 | 12 | 1562 | 1851 |
| 585 | Rock Mechanics | 3 | 12 | 835 | 1396 |
| 585 | Biochemical Genetics | 5 | 12 | 286 | 812 |
| 585 | Religion | 4 | 12 | 776 | 1065 |
| 585 | Paleogeography | 2 | 12 | 1037 | 1521 |
| 585 | electric vehicles | 1 | 12 | 525 | 687 |
| 585 | Calculus of Variations | 2 | 12 | 670 | 799 |
| 585 | Visual Perception | 1 | 12 | 1783 | 1996 |
| 585 | natural products | 2 | 12 | 2051 | 2657 |
| 585 | Social interaction | 1 | 12 | 616 | 805 |
| 585 | sports administration | 1 | 12 | 605 | 772 |
| 585 | human development | 1 | 12 | 1231 | 1554 |
| 585 | Attention | 1 | 12 | 1863 | 2158 |
| 585 | Perception | 1 | 12 | 1985 | 2209 |
| 599 | Religion and Politics | 1 | 11 | 125 | 109 |
| 599 | Information Retrieval | 5 | 11 | 320 | 1012 |
| 599 | Combinatorial optimization | 3 | 11 | 536 | 927 |
| 599 | preventive medicine | 1 | 11 | 1550 | 1903 |
| 599 | Ideology | 1 | 11 | 156 | 173 |
| 599 | Digital humanities | 1 | 11 | 228 | 284 |
| 599 | adhesives | 3 | 11 | 774 | 1431 |
| 599 | Seismometers | 1 | 11 | 17 | 13 |
| 599 | Seismometry | 1 | 11 | 17 | 13 |
| 599 | cycles | 1 | 11 | 336 | 345 |
| 609 | Power Electronics | 1 | 10 | 1371 | 1618 |
| 609 | Multiscale Modeling | 1 | 10 | 164 | 157 |
| 609 | Sonochemistry | 1 | 10 | 1118 | 1651 |
| 609 | software | 1 | 10 | 1592 | 2026 |
| 609 | Fungi | 4 | 10 | 809 | 1758 |
| 609 | Fuzzy systems | 1 | 10 | 2568 | 2680 |
| 615 | Geriatrics | 3 | 9 | 2309 | 3578 |
| 615 | Food Science | 1 | 9 | 465 | 646 |
| 615 | Wireless Communication Systems | 2 | 9 | 2466 | 3243 |
| 615 | Cognitive Science | 1 | 9 | 2285 | 2854 |
| 615 | Stratigraphic Correlation | 3 | 9 | 14 | 50 |
| 615 | Graphene | 1 | 9 | 258 | 467 |
| 615 | Gerontology | 3 | 9 | 1693 | 2632 |
| 615 | Molecules | 2 | 9 | 1710 | 2195 |
| 615 | Hospitality industry | 1 | 9 | 815 | 1242 |
| 615 | Learning | 1 | 9 | 1736 | 2162 |
| 615 | Nonlinear mechanics | 2 | 9 | 587 | 982 |
| 615 | Aging | 3 | 9 | 2152 | 3404 |
| 627 | Functional Analysis | 3 | 8 | 1371 | 1996 |
| 627 | Engineering Geology | 1 | 8 | 1794 | 2174 |
| 627 | Machine Learning | 1 | 8 | 573 | 717 |
| 627 | Nonlinear functional analysis | 1 | 8 | 1722 | 1923 |
| 627 | Liquid Crystals | 2 | 8 | 1069 | 1304 |
| 627 | Logic Programming | 2 | 8 | 405 | 539 |
| 627 | visualization | 2 | 8 | 1564 | 1782 |
| 627 | families | 6 | 8 | 580 | 1584 |
| 627 | disease vectors | 1 | 8 | 1366 | 1867 |
| 627 | body temperature | 1 | 8 | 993 | 1369 |
| 627 | city planning | 3 | 8 | 1524 | 2781 |
| 627 | Zoonoses | 1 | 8 | 513 | 804 |
| 639 | Soil Mechanics | 3 | 7 | 1007 | 1724 |
| 639 | International Relations | 9 | 7 | 554 | 1538 |
| 639 | Multicultural Education | 1 | 7 | 730 | 889 |
| 639 | Evolutionary economics | 1 | 7 | 337 | 486 |
| 639 | Powder Metallurgy | 3 | 7 | 216 | 457 |
| 639 | Evolutionary Computation | 1 | 7 | 840 | 1229 |
| 639 | Swarm Intelligence | 1 | 7 | 584 | 886 |
| 639 | Public Choice | 1 | 7 | 616 | 785 |
| 639 | Group decision making | 1 | 7 | 823 | 1070 |
| 639 | Iron | 1 | 7 | 496 | 672 |
| 639 | Social behavior | 1 | 7 | 1723 | 2139 |
| 639 | Decision making | 1 | 7 | 2205 | 2736 |
| 639 | Population Dynamics | 1 | 7 | 357 | 557 |
| 652 | Systems Biology | 1 | 6 | 1951 | 2695 |
| 652 | Social History | 2 | 6 | 659 | 797 |
| 652 | Nanophotonics | 1 | 6 | 554 | 830 |
| 652 | Ecosystem management | 3 | 6 | 643 | 1486 |
| 652 | Cognitive neuroscience | 2 | 6 | 1033 | 1773 |
| 652 | Mycology | 3 | 6 | 1407 | 2474 |
| 652 | mycoses | 3 | 6 | 685 | 1448 |
| 652 | Edible plants | 1 | 6 | 492 | 858 |
| 652 | Library Science | 1 | 6 | 1593 | 1754 |
| 652 | cardiac catheterization | 1 | 6 | 761 | 895 |
| 662 | Anthropology | 9 | 5 | 843 | 2402 |
| 662 | Epidemiology | 3 | 5 | 2774 | 4720 |
| 662 | Social Choice Theory | 1 | 5 | 425 | 534 |
| 662 | Cryptography | 2 | 5 | 855 | 1248 |
| 662 | Cytogenetics | 1 | 5 | 1621 | 2186 |
| 662 | Welfare Economics | 1 | 5 | 681 | 858 |
| 662 | symbiosis | 1 | 5 | 327 | 617 |
| 662 | Ethnic relations | 1 | 5 | 1047 | 1216 |
| 662 | Integrated Circuits | 1 | 5 | 1251 | 1378 |
| 662 | heat pipes | 1 | 5 | 41 | 28 |
| 662 | Synchrotron Radiation | 1 | 5 | 605 | 810 |
| 662 | Environmental risk assessment | 1 | 5 | 751 | 1190 |
| 662 | Protective coatings | 2 | 5 | 225 | 544 |
| 662 | Solutions | 1 | 5 | 708 | 965 |
| 662 | radioactive waste | 1 | 5 | 1329 | 2049 |
| 662 | industrial waste | 1 | 5 | 1379 | 2070 |
| 662 | Hazardous waste | 1 | 5 | 1527 | 2246 |
| 662 | Mountains | 1 | 5 | 790 | 1055 |
| 662 | Jews | 1 | 5 | 453 | 317 |
| 662 | Eigenvalues | 1 | 5 | 431 | 315 |
| 682 | Meteorology | 2 | 4 | 2115 | 3401 |
| 682 | Biostatistics | 1 | 4 | 35 | 45 |
| 682 | Nanochemistry | 1 | 4 | 1900 | 2545 |
| 682 | Building Materials | 3 | 4 | 1630 | 2835 |
| 682 | Development Economics | 1 | 4 | 766 | 1143 |
| 682 | Remote Sensing | 2 | 4 | 1737 | 2613 |
| 682 | Child | 1 | 4 | 2724 | 3417 |
| 682 | epidemiologic methods | 1 | 4 | 339 | 514 |
| 682 | Bioethics | 1 | 4 | 1410 | 1816 |
| 682 | vibration | 1 | 4 | 1649 | 2145 |
| 682 | Child welfare | 1 | 4 | 1673 | 2259 |
| 682 | Child Development | 1 | 4 | 2304 | 2983 |
| 682 | Child psychology | 1 | 4 | 1883 | 2515 |
| 682 | Language Arts | 1 | 4 | 227 | 350 |
| 682 | nuclear magnetic resonance spectroscopy | 2 | 4 | 838 | 1326 |
| 682 | personality | 1 | 4 | 2065 | 2722 |
| 682 | child behavior | 1 | 4 | 610 | 933 |
| 682 | Vietnam | 1 | 4 | 264 | 508 |
| 682 | national security | 10 | 4 | 134 | 757 |
| 682 | Economic security | 10 | 4 | 8 | 15 |
| 682 | Fibers | 1 | 4 | 213 | 299 |
| 682 | NMR | 2 | 4 | 671 | 1146 |
| 682 | Spain | 1 | 4 | 653 | 573 |
| 682 | magnetic resonance | 2 | 4 | 684 | 1155 |
| 682 | Isotopes | 1 | 4 | 244 | 503 |
| 682 | children | 1 | 4 | 791 | 1188 |
| 708 | Mining Engineering | 2 | 3 | 651 | 1111 |
| 708 | Civil Engineering | 1 | 3 | 2152 | 2585 |
| 708 | Histology | 1 | 3 | 2226 | 2896 |
| 708 | Distance Education | 1 | 3 | 719 | 1268 |
| 708 | Internet of Things | 1 | 3 | 1589 | 2125 |
| 708 | Nuclear Fusion | 1 | 3 | 802 | 1075 |
| 708 | economic forecasting | 3 | 3 | 305 | 918 |
| 708 | epilepsy | 1 | 3 | 1228 | 1751 |
| 708 | Group theory | 1 | 3 | 172 | 227 |
| 708 | Biodiversity conservation | 1 | 3 | 1957 | 2650 |
| 708 | Electromagnetic waves | 1 | 3 | 595 | 895 |
| 708 | Fiber Optics | 1 | 3 | 1314 | 1779 |
| 708 | Industrial Policy | 1 | 3 | 818 | 1196 |
| 708 | nucleic acids | 1 | 3 | 1840 | 2439 |
| 708 | DNS | 1 | 3 | 809 | 1239 |
| 708 | Ethnology | 8 | 3 | 826 | 2604 |
| 708 | bioluminescence | 1 | 3 | 724 | 1152 |
| 708 | Alloys | 3 | 3 | 279 | 814 |
| 708 | Budget | 1 | 3 | 309 | 496 |
| 708 | irreversible processes | 1 | 3 | 80 | 162 |
| 708 | Methodology | 1 | 3 | 990 | 1414 |
| 708 | internet | 1 | 3 | 2342 | 3051 |
| 708 | United States | 1 | 3 | 5527 | 6502 |
| 708 | explosives | 2 | 3 | 230 | 501 |
| 708 | Nonequilibrium thermodynamics | 1 | 3 | 80 | 162 |
| 708 | Microwaves | 1 | 3 | 1733 | 2089 |
| 708 | Development | 1 | 3 | 1235 | 1806 |
| 708 | Economic Assistance | 1 | 3 | 1126 | 1678 |
| 708 | DNA | 1 | 3 | 971 | 1407 |
| 708 | Credit | 10 | 3 | 13 | 336 |
| 708 | fusion reactors | 1 | 3 | 612 | 837 |
| 708 | humor | 1 | 3 | 67 | 110 |
| 708 | Genes | 1 | 3 | 1558 | 2192 |
| 741 | Statistics | 1 | 2 | 3093 | 3635 |
| 741 | Linguistics | 2 | 2 | 1522 | 2321 |
| 741 | Theology | 1 | 2 | 1104 | 932 |
| 741 | Cosmology | 1 | 2 | 935 | 1228 |
| 741 | Photogrammetry | 1 | 2 | 1380 | 1643 |
| 741 | Coding Theory | 1 | 2 | 660 | 891 |
| 741 | starch | 1 | 2 | 594 | 1044 |
| 741 | Urban Areas | 1 | 2 | 467 | 834 |
| 741 | lighting | 1 | 2 | 92 | 142 |
| 741 | Scandinavia | 1 | 2 | 960 | 1458 |
| 751 | Law | 6 | 1 | 882 | 2230 |
| 751 | Embryology | 1 | 1 | 1659 | 2336 |
| 751 | Materials Engineering | 1 | 1 | 1316 | 1965 |
| 751 | World History | 2 | 1 | 264 | 458 |
| 751 | Information Systems | 2 | 1 | 1661 | 3125 |
| 751 | Telecommunication Systems | 1 | 1 | 2325 | 3038 |
| 751 | Bryology | 1 | 1 | 338 | 512 |
| 751 | Cartography | 2 | 1 | 574 | 1209 |
| 751 | Psycholinguistics | 1 | 1 | 1317 | 1948 |
| 751 | Neurolinguistics | 1 | 1 | 673 | 1042 |
| 751 | Statistical Mechanics | 1 | 1 | 949 | 1342 |
| 751 | Adsorption | 3 | 1 | 200 | 815 |
| 751 | Plasma chemistry | 1 | 1 | 661 | 1092 |
| 751 | Geodesy | 2 | 1 | 949 | 1946 |
| 751 | Radio wave propagation | 1 | 1 | 1068 | 1586 |
| 751 | Environmental forensics | 1 | 1 | 170 | 422 |
| 751 | Military readiness | 1 | 1 | 155 | 256 |
| 751 | species diversity | 1 | 1 | 285 | 437 |
| 751 | Human physiology | 1 | 1 | 177 | 317 |
| 751 | Ion exchange chromatography | 3 | 1 | 5 | 7 |
| 751 | Plasma polymerization | 1 | 1 | 454 | 764 |
| 751 | mosses | 1 | 1 | 222 | 362 |
| 751 | liverworts | 1 | 1 | 222 | 362 |
| 751 | Cheminformatics | 1 | 1 | 573 | 1013 |
| 751 | computer networks | 1 | 1 | 3084 | 3978 |
| 751 | Chromatographic analysis | 3 | 1 | 1715 | 3109 |
| 751 | amino acids | 1 | 1 | 967 | 1554 |
| 751 | Informatics | 2 | 1 | 993 | 1910 |
| 751 | Educational evaluation | 1 | 1 | 373 | 666 |
| 780 | Decorative Arts | 1 | 0 | 51 | 57 |
| 780 | Cybernetics | 1 | 0 | 2200 | 3100 |
| 780 | Discourse Analysis | 1 | 0 | 694 | 1162 |
| 780 | Ancient History | 1 | 0 | 81 | 188 |
| 780 | Number Theory | 1 | 0 | 1277 | 1792 |
| 780 | Asset Management | 1 | 0 | 152 | 378 |
| 780 | Neurotransmitters | 1 | 0 | 769 | 966 |
| 780 | Spintronics | 1 | 0 | 3 | 21 |
| 780 | Art | 1 | 0 | 627 | 754 |
| 780 | Religion and Sociology | 1 | 0 | 475 | 747 |
| 780 | Semiotics | 1 | 0 | 716 | 1064 |
| 780 | Yugoslavia | 3 | 0 | 67 | 369 |
| 780 | electroplating | 4 | 0 | 41 | 150 |
| 780 | pharmaceutical industry | 1 | 0 | 981 | 1661 |
| 780 | Chemical reactors | 1 | 0 | 373 | 727 |
| 780 | Syria | 1 | 0 | 6 | 21 |