| 1 | Microbiology | 165 | 6.4K | 1021 | 1224 |
| 2 | Biochemistry | 144 | 5.1K | 2031 | 1984 |
| 3 | Environment | 75 | 3.3K | 1024 | 1361 |
| 4 | Physiology | 96 | 3.3K | 835 | 877 |
| 5 | Botany | 26 | 3.1K | 1804 | 930 |
| 6 | Physics | 149 | 3.0K | 2038 | 3793 |
| 7 | Biotechnology | 102 | 3.0K | 1142 | 1577 |
| 8 | Biology | 61 | 2.7K | 3283 | 3917 |
| 9 | Chemistry | 78 | 2.5K | 2899 | 3242 |
| 10 | Molecular Biology | 39 | 2.4K | 3446 | 2893 |
| 11 | Bioengineering | 74 | 2.3K | 836 | 1325 |
| 12 | Microbial Ecology | 41 | 2.2K | 615 | 670 |
| 13 | Polymers | 37 | 2.1K | 1811 | 1122 |
| 14 | Chemical Engineering | 52 | 2.0K | 1403 | 1378 |
| 14 | Biophysics | 63 | 2.0K | 1800 | 1724 |
| 16 | Ecology | 42 | 1.9K | 2224 | 2290 |
| 17 | Science | 54 | 1.8K | 3791 | 4997 |
| 18 | Biochemical Engineering | 30 | 1.8K | 1126 | 1345 |
| 19 | Medicine | 48 | 1.6K | 4066 | 4270 |
| 20 | Microorganisms | 45 | 1.6K | 165 | 335 |
| 21 | Genomics | 5 | 1.5K | 3404 | 935 |
| 22 | Nanotechnology | 61 | 1.5K | 1407 | 1860 |
| 23 | Extreme environments | 28 | 1.3K | 12 | 14 |
| 24 | Technology | 95 | 1.2K | 581 | 1005 |
| 25 | Agricultural Chemistry | 46 | 1.2K | 534 | 629 |
| 26 | Pollution | 39 | 1.1K | 1888 | 2518 |
| 27 | Japan | 113 | 1.1K | 192 | 267 |
| 28 | Research | 50 | 1.0K | 3211 | 4032 |
| 29 | Biomedical Engineering | 37 | 972 | 1656 | 1806 |
| 30 | environmental pollution | 30 | 931 | 1692 | 1992 |
| 31 | Solid State Physics | 20 | 909 | 2070 | 1510 |
| 32 | plant molecular biology | 13 | 902 | 845 | 829 |
| 33 | Plant cells | 8 | 877 | 856 | 803 |
| 34 | Environmental Health | 31 | 872 | 2087 | 2556 |
| 35 | Respiration | 24 | 867 | 560 | 593 |
| 36 | Membranes | 5 | 849 | 1709 | 771 |
| 37 | Condensed Matter | 22 | 816 | 1841 | 1494 |
| 38 | Plants | 13 | 800 | 1193 | 980 |
| 39 | Environmental Engineering | 22 | 792 | 1613 | 1649 |
| 40 | Water pollution | 22 | 779 | 1129 | 1260 |
| 41 | Cell Biology | 13 | 763 | 2844 | 2836 |
| 42 | Materials | 53 | 744 | 2028 | 2909 |
| 43 | Biocompatible Materials | 20 | 702 | 1894 | 2209 |
| 44 | Spectrum analysis | 22 | 680 | 2255 | 2102 |
| 45 | Artificial Intelligence | 5 | 673 | 3515 | 1387 |
| 46 | Environmental monitoring | 18 | 618 | 1928 | 2081 |
| 47 | Astronomy | 12 | 607 | 1962 | 1701 |
| 48 | Human genetics | 1 | 593 | 4076 | 2745 |
| 49 | Plant physiology | 14 | 574 | 1164 | 1239 |
| 50 | Economics | 28 | 565 | 1803 | 1626 |
| 51 | Analytical Chemistry | 60 | 556 | 1232 | 2417 |
| 52 | Electrochemistry | 31 | 554 | 1636 | 1782 |
| 53 | actuators | 33 | 542 | 573 | 1075 |
| 53 | transducers | 33 | 542 | 573 | 1075 |
| 55 | Toxicology | 24 | 529 | 2247 | 2797 |
| 56 | Materials Science | 26 | 501 | 2179 | 2672 |
| 57 | Electronics | 74 | 499 | 710 | 1395 |
| 58 | Water | 10 | 495 | 1643 | 1654 |
| 59 | Environmental Policy | 8 | 487 | 2406 | 2086 |
| 60 | Genetics | 9 | 453 | 3209 | 3142 |
| 61 | polymerization | 28 | 447 | 1751 | 2085 |
| 62 | Cytology | 13 | 425 | 2977 | 3503 |
| 62 | Social Change | 1 | 425 | 1907 | 555 |
| 64 | Environmental Management | 8 | 422 | 2156 | 1960 |
| 65 | Catalysis | 10 | 418 | 2548 | 2391 |
| 66 | Carbon | 9 | 413 | 880 | 910 |
| 67 | Astrophysics | 15 | 407 | 2096 | 2120 |
| 68 | Endocrinology | 5 | 395 | 3256 | 2496 |
| 69 | Immunotherapy | 2 | 393 | 2832 | 1447 |
| 70 | Pharmacology | 19 | 392 | 3086 | 3736 |
| 71 | Immunology | 3 | 386 | 4711 | 3024 |
| 72 | Immune system | 1 | 385 | 2145 | 1135 |
| 72 | Immunity | 1 | 385 | 3565 | 1983 |
| 74 | Economic History | 23 | 381 | 1486 | 1380 |
| 75 | sanitation | 6 | 363 | 1367 | 1450 |
| 76 | Plant diseases | 7 | 355 | 1557 | 1009 |
| 77 | Water quality management | 14 | 352 | 828 | 761 |
| 78 | Luminescence | 7 | 350 | 974 | 432 |
| 79 | Waste management | 13 | 348 | 623 | 495 |
| 80 | Semiconductors | 15 | 346 | 990 | 861 |
| 81 | Diabetes mellitus | 3 | 339 | 2779 | 1909 |
| 81 | Diabetes | 3 | 339 | 2885 | 1979 |
| 83 | Water Purification | 12 | 325 | 500 | 421 |
| 84 | antibiotics | 7 | 321 | 259 | 177 |
| 85 | Plant genetic engineering | 15 | 316 | 386 | 669 |
| 86 | Nutrition | 19 | 308 | 2326 | 3321 |
| 87 | Statistical physics | 21 | 299 | 1891 | 2209 |
| 88 | Industrial Microbiology | 9 | 293 | 1266 | 1503 |
| 89 | Asia | 22 | 289 | 955 | 1080 |
| 90 | Environmental Microbiology | 5 | 281 | 1279 | 1278 |
| 91 | nanoscience | 7 | 280 | 2375 | 2339 |
| 92 | Surface Chemistry | 16 | 276 | 2135 | 2747 |
| 93 | Genes | 6 | 275 | 953 | 667 |
| 94 | Econometrics | 6 | 270 | 1108 | 740 |
| 95 | environmental protection | 12 | 267 | 2088 | 2694 |
| 95 | counseling | 2 | 267 | 2049 | 770 |
| 97 | Counseling Psychology | 1 | 266 | 474 | 127 |
| 98 | Ceramics | 4 | 259 | 1598 | 897 |
| 98 | Glass | 4 | 259 | 1213 | 784 |
| 98 | pottery | 4 | 259 | 1158 | 779 |
| 101 | Molecular Microbiology | 4 | 254 | 934 | 978 |
| 101 | Colloids | 14 | 254 | 2223 | 2941 |
| 103 | Social Sciences | 7 | 248 | 3024 | 1716 |
| 103 | Cognition | 9 | 248 | 1151 | 1269 |
| 105 | Recycling | 4 | 243 | 538 | 653 |
| 106 | Neurophysiology | 9 | 242 | 2255 | 2669 |
| 107 | Engineering Mathematics | 19 | 240 | 1055 | 1119 |
| 108 | Neurology | 17 | 237 | 3277 | 4837 |
| 109 | Psychology | 37 | 234 | 1655 | 3709 |
| 110 | Fluorescence | 8 | 232 | 198 | 110 |
| 111 | miniaturization | 8 | 231 | 1335 | 1736 |
| 112 | Medical Laboratory Science | 6 | 225 | 1840 | 1763 |
| 113 | Health | 3 | 224 | 3024 | 1744 |
| 114 | Stress | 2 | 223 | 414 | 134 |
| 115 | Nonlinear Dynamics | 9 | 221 | 1586 | 1519 |
| 116 | Bioenergetics | 10 | 219 | 480 | 692 |
| 117 | Education | 11 | 218 | 2568 | 2036 |
| 117 | Nanostructured Materials | 12 | 218 | 2043 | 2561 |
| 119 | Energy metabolism | 9 | 217 | 422 | 563 |
| 120 | Signal Transduction | 2 | 213 | 2091 | 1421 |
| 121 | economic policy | 11 | 208 | 1551 | 1246 |
| 121 | plant communities | 2 | 208 | 1519 | 1075 |
| 123 | Pathology | 8 | 202 | 1991 | 2351 |
| 124 | cell membrane | 8 | 195 | 423 | 565 |
| 125 | Biosensors | 5 | 193 | 1145 | 1455 |
| 125 | Bioelectronics | 5 | 193 | 980 | 1321 |
| 127 | Welfare Economics | 3 | 191 | 503 | 328 |
| 128 | Neurochemistry | 8 | 190 | 1926 | 2298 |
| 129 | Plant Genetics | 6 | 187 | 549 | 785 |
| 129 | Development Economics | 3 | 187 | 530 | 299 |
| 129 | Physical Chemistry | 1 | 187 | 3971 | 1932 |
| 132 | Environmental pollutants | 9 | 186 | 1573 | 2081 |
| 133 | Nanoparticles | 9 | 185 | 1250 | 1634 |
| 134 | Biomass Energy | 8 | 183 | 1849 | 2441 |
| 134 | Microeconomics | 2 | 183 | 491 | 251 |
| 134 | Mycology | 4 | 183 | 1781 | 1420 |
| 134 | Fungi | 4 | 183 | 1097 | 1034 |
| 138 | Plasma devices | 4 | 182 | 310 | 228 |
| 139 | Microelectronics | 21 | 180 | 764 | 1688 |
| 139 | Ocean Engineering | 5 | 180 | 1447 | 1305 |
| 141 | Fluid Mechanics | 12 | 179 | 1007 | 1208 |
| 142 | environmental exposure | 6 | 177 | 1627 | 1774 |
| 143 | Operations Research | 7 | 174 | 1728 | 1648 |
| 144 | Drug delivery systems | 4 | 173 | 1568 | 1561 |
| 145 | Oncogenes | 1 | 172 | 2169 | 1708 |
| 146 | Histology | 2 | 170 | 2797 | 1892 |
| 146 | Cytogenetics | 1 | 170 | 3085 | 1965 |
| 146 | Molecular Genetics | 1 | 170 | 3785 | 2147 |
| 146 | Environmental Chemistry | 5 | 170 | 2033 | 2277 |
| 146 | Biomechanics | 1 | 170 | 3021 | 1228 |
| 146 | Gene expression | 1 | 170 | 647 | 243 |
| 146 | Cell division | 1 | 170 | 1251 | 472 |
| 153 | Protozoa | 2 | 167 | 655 | 351 |
| 154 | Nanostructures | 15 | 166 | 1051 | 2083 |
| 155 | Robotics | 9 | 164 | 1097 | 1254 |
| 156 | Geography | 28 | 161 | 799 | 1880 |
| 156 | Public Health | 6 | 161 | 5724 | 5759 |
| 156 | Mutagenesis | 5 | 161 | 330 | 264 |
| 159 | Chemical industry | 13 | 159 | 653 | 832 |
| 160 | Pharmacy | 9 | 156 | 1545 | 1997 |
| 161 | mutagens | 4 | 155 | 929 | 1073 |
| 162 | Marine Engineering | 3 | 154 | 316 | 80 |
| 162 | Naval Architecture | 3 | 154 | 357 | 165 |
| 164 | Cross-Cultural Studies | 4 | 147 | 638 | 456 |
| 165 | Sports Medicine | 53 | 145 | 586 | 2034 |
| 166 | mutation | 3 | 144 | 804 | 755 |
| 167 | Plant Biotechnology | 10 | 143 | 422 | 800 |
| 168 | Psychiatry | 7 | 142 | 3907 | 4614 |
| 168 | Photochemistry | 15 | 142 | 830 | 1649 |
| 168 | mass transfer | 8 | 142 | 1168 | 1540 |
| 168 | India | 313 | 142 | 24 | 589 |
| 172 | Optics | 16 | 141 | 2862 | 3420 |
| 173 | Plant Ecology | 2 | 136 | 2399 | 1971 |
| 174 | cross-cultural comparison | 3 | 135 | 628 | 366 |
| 175 | pollutants | 6 | 134 | 1618 | 2150 |
| 176 | Medical Technology | 4 | 133 | 2030 | 1809 |
| 177 | Bacteriology | 4 | 128 | 2178 | 2541 |
| 177 | Behavior | 4 | 128 | 3572 | 3919 |
| 179 | Engineering | 12 | 124 | 2822 | 3567 |
| 179 | Emotions | 2 | 124 | 801 | 704 |
| 181 | Mathematical Physics | 5 | 118 | 2883 | 2178 |
| 182 | Industrial Engineering | 5 | 115 | 1742 | 1823 |
| 182 | Photobiology | 11 | 115 | 695 | 1381 |
| 184 | Organic Chemistry | 13 | 114 | 2071 | 3213 |
| 185 | management | 4 | 113 | 3539 | 3267 |
| 185 | radioactive waste | 2 | 113 | 1137 | 1276 |
| 185 | industrial waste | 2 | 113 | 1193 | 1280 |
| 185 | Hazardous waste | 2 | 113 | 1347 | 1350 |
| 189 | Zoology | 6 | 112 | 2377 | 2277 |
| 190 | Electrical Engineering | 55 | 108 | 884 | 2238 |
| 190 | Reproductive toxicology | 1 | 108 | 1104 | 564 |
| 190 | plant viruses | 1 | 108 | 438 | 246 |
| 193 | Electrophoresis | 3 | 105 | 2092 | 1836 |
| 193 | Medical innovations | 2 | 105 | 1688 | 2146 |
| 195 | Ventilation | 5 | 103 | 414 | 534 |
| 196 | air quality management | 4 | 100 | 481 | 630 |
| 196 | indoor air pollution | 4 | 100 | 361 | 471 |
| 196 | Sick building syndrome | 4 | 100 | 361 | 471 |
| 199 | Social Psychology | 12 | 99 | 1164 | 2326 |
| 199 | Psychophysiology | 4 | 99 | 3151 | 3553 |
| 201 | Geriatrics | 7 | 96 | 2662 | 3328 |
| 201 | human behavior | 3 | 96 | 3066 | 3715 |
| 203 | industrial hygiene | 8 | 94 | 733 | 842 |
| 203 | Culture | 2 | 94 | 1543 | 693 |
| 205 | Language and Culture | 1 | 93 | 373 | 57 |
| 206 | Algae | 4 | 89 | 776 | 906 |
| 207 | China | 4 | 88 | 3107 | 3095 |
| 207 | Molecular structure | 9 | 88 | 1749 | 2766 |
| 209 | Natural history | 1 | 87 | 7708 | 7131 |
| 210 | Risk Management | 2 | 86 | 1132 | 844 |
| 210 | Cognitive Science | 7 | 86 | 1076 | 1899 |
| 212 | Mineralogy | 2 | 85 | 1931 | 1460 |
| 212 | Nanobiotechnology | 1 | 85 | 925 | 781 |
| 214 | Obesity | 1 | 82 | 3932 | 3052 |
| 215 | Radiation effects | 1 | 81 | 1321 | 930 |
| 216 | Marine Biology | 9 | 80 | 1882 | 3070 |
| 217 | Chemical analysis | 34 | 79 | 213 | 1539 |
| 217 | Cancer | 4 | 79 | 4126 | 5133 |
| 219 | Mathematics | 26 | 78 | 2913 | 5076 |
| 220 | Environmental Toxicology | 5 | 76 | 2340 | 3697 |
| 220 | Business | 1 | 76 | 3924 | 2539 |
| 220 | commerce | 1 | 76 | 2966 | 1683 |
| 223 | Environmental Law | 1 | 74 | 2310 | 2135 |
| 224 | Epidemiology | 3 | 73 | 5078 | 5332 |
| 224 | Developmental Biology | 5 | 73 | 2056 | 3220 |
| 224 | primary prevention | 5 | 73 | 355 | 603 |
| 224 | finance | 5 | 73 | 2084 | 2253 |
| 224 | Aquaculture | 1 | 73 | 2585 | 1729 |
| 229 | Biological productivity | 1 | 72 | 93 | 20 |
| 229 | Heterocyclic compounds | 10 | 72 | 583 | 842 |
| 231 | Energy Policy | 1 | 71 | 4627 | 3897 |
| 231 | Sports | 41 | 71 | 544 | 2098 |
| 231 | energy resources | 1 | 71 | 2487 | 2456 |
| 234 | Geophysics | 12 | 70 | 2413 | 4284 |
| 234 | Seaweed | 3 | 70 | 681 | 862 |
| 236 | Ore deposits | 1 | 69 | 914 | 668 |
| 236 | Aging | 6 | 69 | 2714 | 3748 |
| 238 | Chronobiology | 1 | 68 | 941 | 524 |
| 238 | Circadian rhythms | 1 | 68 | 684 | 464 |
| 238 | Renewable Energy Sources | 2 | 68 | 3607 | 4255 |
| 238 | biological clocks | 1 | 68 | 941 | 524 |
| 238 | circadian rhythm | 1 | 68 | 941 | 524 |
| 238 | biological rhythms | 1 | 68 | 898 | 517 |
| 244 | Measurement | 4 | 66 | 1269 | 1530 |
| 245 | Flood forecasting | 1 | 65 | 278 | 164 |
| 245 | Flood control | 1 | 65 | 665 | 288 |
| 247 | Mechanical Engineering | 6 | 64 | 2200 | 2366 |
| 247 | Sustainable Development | 3 | 64 | 2566 | 2944 |
| 249 | Pharmaceutical Chemistry | 3 | 63 | 4811 | 5287 |
| 249 | free radicals | 2 | 63 | 2157 | 2483 |
| 251 | Humanities | 2 | 61 | 2832 | 1455 |
| 251 | Brain | 5 | 61 | 2655 | 3882 |
| 253 | Computer-Aided Design | 5 | 60 | 1104 | 1578 |
| 253 | Information visualization | 8 | 60 | 61 | 120 |
| 253 | Identity | 1 | 60 | 298 | 197 |
| 253 | visualization | 10 | 60 | 972 | 1170 |
| 253 | Self | 1 | 60 | 394 | 251 |
| 258 | Telecommunication | 21 | 59 | 825 | 2329 |
| 258 | biochemical markers | 5 | 59 | 735 | 1191 |
| 260 | Optical materials | 3 | 58 | 2925 | 3565 |
| 261 | Neuropsychology | 4 | 56 | 2501 | 3369 |
| 262 | Neurobiology | 4 | 55 | 1999 | 3072 |
| 262 | Analytical Biochemistry | 5 | 55 | 1695 | 2640 |
| 262 | Diagnosis | 4 | 55 | 636 | 884 |
| 262 | disease susceptibility | 4 | 55 | 327 | 583 |
| 262 | symptoms | 4 | 55 | 327 | 583 |
| 267 | energy conservation | 7 | 54 | 1454 | 3243 |
| 268 | Computer Graphics | 2 | 53 | 2306 | 2087 |
| 268 | Oxidative stress | 2 | 53 | 1737 | 2267 |
| 268 | behavioral medicine | 2 | 53 | 2099 | 2560 |
| 268 | Artificial Organs | 4 | 53 | 759 | 877 |
| 268 | Taste | 2 | 53 | 425 | 431 |
| 268 | flavor | 2 | 53 | 275 | 319 |
| 268 | smell | 2 | 53 | 425 | 431 |
| 268 | city planning | 7 | 53 | 1159 | 2048 |
| 276 | Fracture mechanics | 4 | 52 | 1428 | 1839 |
| 276 | Marine Pollution | 3 | 52 | 1430 | 2071 |
| 276 | clay | 2 | 52 | 1118 | 1485 |
| 276 | clay minerals | 2 | 52 | 413 | 505 |
| 280 | Electrochemical Analysis | 3 | 51 | 1747 | 2057 |
| 281 | Ethics | 1 | 50 | 2108 | 1179 |
| 281 | Medical Ethics | 1 | 50 | 2473 | 1442 |
| 281 | particles | 2 | 50 | 1465 | 1448 |
| 281 | proteins | 2 | 50 | 3173 | 3273 |
| 285 | Thermodynamics | 2 | 49 | 1711 | 1231 |
| 285 | Alternative Medicine | 1 | 49 | 3740 | 2920 |
| 285 | complementary therapies | 1 | 49 | 4104 | 3037 |
| 285 | Hydraulic machinery | 2 | 49 | 196 | 120 |
| 289 | Soil Mechanics | 4 | 48 | 1121 | 1544 |
| 289 | Pesticides | 2 | 48 | 1039 | 989 |
| 289 | Fisheries | 11 | 48 | 1044 | 2301 |
| 292 | Educational Psychology | 6 | 46 | 1114 | 1912 |
| 292 | Origin of life | 1 | 46 | 337 | 247 |
| 292 | hazard mitigation | 2 | 46 | 1352 | 1538 |
| 292 | biological evolution | 1 | 46 | 3922 | 3827 |
| 292 | Evolution | 1 | 46 | 3611 | 3234 |
| 292 | Organelle biogenesis | 1 | 46 | 494 | 392 |
| 298 | Architectural Design | 7 | 43 | 256 | 480 |
| 298 | Ultrasonics | 3 | 43 | 1267 | 2042 |
| 298 | Investment analysis | 1 | 43 | 1570 | 1147 |
| 298 | Cardiovascular diseases | 4 | 43 | 1852 | 2518 |
| 298 | personality | 3 | 43 | 1599 | 2296 |
| 303 | Nuclear Physics | 10 | 42 | 3140 | 4599 |
| 303 | Tissue Engineering | 1 | 42 | 716 | 594 |
| 305 | Sociology | 22 | 41 | 1156 | 4525 |
| 305 | Information Technology | 10 | 41 | 1512 | 3211 |
| 305 | Plant tissue culture | 3 | 41 | 850 | 1293 |
| 305 | Plant cell culture | 3 | 41 | 762 | 1277 |
| 305 | drug toxicity | 1 | 41 | 1108 | 1014 |
| 310 | Urban Policy | 3 | 40 | 885 | 1417 |
| 310 | Pharmaceutical Technology | 1 | 40 | 2812 | 2617 |
| 310 | Pharmacokinetics | 1 | 40 | 2087 | 1731 |
| 310 | Food Microbiology | 5 | 40 | 1161 | 2637 |
| 310 | drugs | 1 | 40 | 4383 | 3798 |
| 310 | Oxidation-reduction | 1 | 40 | 1609 | 1918 |
| 316 | Plant breeding | 4 | 39 | 872 | 1439 |
| 316 | Reservoirs | 1 | 39 | 457 | 278 |
| 316 | lakes | 1 | 39 | 225 | 110 |
| 316 | fishing industry | 6 | 39 | 123 | 297 |
| 316 | rehabilitation | 7 | 39 | 1825 | 3733 |
| 316 | Breeding | 4 | 39 | 1260 | 2038 |
| 322 | Technological Innovations | 1 | 38 | 2124 | 1746 |
| 322 | Sonochemistry | 1 | 38 | 1226 | 1487 |
| 322 | Building | 12 | 38 | 308 | 807 |
| 325 | Fertilizers | 2 | 37 | 565 | 715 |
| 326 | Metabolism | 1 | 36 | 5194 | 5316 |
| 326 | Radiation | 2 | 36 | 3302 | 3334 |
| 326 | Metabolic diseases | 1 | 36 | 4519 | 4594 |
| 326 | Diet | 2 | 36 | 3325 | 4238 |
| 330 | Structural Engineering | 12 | 35 | 930 | 2281 |
| 330 | micromechanics | 3 | 35 | 697 | 1074 |
| 330 | United States | 5 | 35 | 5598 | 8121 |
| 330 | synthesis | 6 | 35 | 858 | 1360 |
| 334 | Civil Engineering | 1 | 34 | 3302 | 2007 |
| 334 | Radiobiology | 1 | 34 | 3408 | 2795 |
| 336 | Embryology | 3 | 33 | 1981 | 3031 |
| 336 | Marine Ecology | 3 | 33 | 901 | 1297 |
| 336 | Aerosols | 2 | 33 | 854 | 1006 |
| 336 | Growth | 3 | 33 | 1480 | 2545 |
| 340 | Molecular evolution | 1 | 32 | 3344 | 3452 |
| 340 | Earth Sciences | 2 | 32 | 4404 | 4731 |
| 342 | Nanochemistry | 2 | 31 | 1729 | 2118 |
| 342 | Photonics | 3 | 31 | 2015 | 2927 |
| 342 | Clinical Chemistry | 3 | 31 | 3795 | 5308 |
| 342 | Industrial Ecology | 3 | 31 | 198 | 544 |
| 342 | starch | 2 | 31 | 565 | 667 |
| 342 | Post-traumatic stress disorder | 1 | 31 | 1535 | 1552 |
| 348 | food technology | 1 | 30 | 4516 | 4586 |
| 348 | Food | 1 | 30 | 5572 | 5576 |
| 348 | biopolymers | 2 | 30 | 1673 | 2172 |
| 348 | Structure-activity relationship | 1 | 30 | 1012 | 777 |
| 348 | Exercise | 6 | 30 | 1079 | 2142 |
| 353 | Anatomy | 5 | 29 | 1996 | 3521 |
| 353 | System analysis | 4 | 29 | 2614 | 3938 |
| 353 | Carbohydrates | 5 | 29 | 378 | 1081 |
| 353 | textile fibers | 4 | 29 | 468 | 698 |
| 353 | Textile industry | 4 | 29 | 566 | 710 |
| 358 | Hydrology | 6 | 28 | 2211 | 4089 |
| 358 | greenhouse effect | 1 | 28 | 191 | 225 |
| 358 | histological techniques | 1 | 28 | 1468 | 1739 |
| 358 | global environmental change | 1 | 28 | 1721 | 2005 |
| 358 | monitoring | 2 | 28 | 477 | 544 |
| 358 | Carbon dioxide | 1 | 28 | 191 | 225 |
| 358 | Climate | 1 | 28 | 1348 | 1433 |
| 365 | Law | 4 | 27 | 1580 | 1328 |
| 365 | Criminology | 3 | 27 | 1068 | 1342 |
| 365 | Applied Linguistics | 4 | 27 | 552 | 868 |
| 365 | Liquid Crystals | 8 | 27 | 651 | 1117 |
| 365 | Food service management | 1 | 27 | 758 | 999 |
| 365 | Plastics | 2 | 27 | 2457 | 2767 |
| 365 | Light | 4 | 27 | 1065 | 2225 |
| 365 | crime | 3 | 27 | 758 | 949 |
| 373 | Green Chemistry | 2 | 26 | 2277 | 3317 |
| 373 | Dynamics | 3 | 26 | 2155 | 2558 |
| 373 | taxation | 1 | 26 | 530 | 511 |
| 373 | calcification | 1 | 26 | 1171 | 1356 |
| 373 | place marketing | 1 | 26 | 237 | 375 |
| 378 | Information Theory | 5 | 25 | 1097 | 1892 |
| 378 | Architecture | 7 | 25 | 437 | 738 |
| 378 | Drug targeting | 1 | 25 | 701 | 923 |
| 378 | Enzyme | 1 | 25 | 1012 | 1262 |
| 378 | Quality of life | 4 | 25 | 1634 | 3485 |
| 378 | Planets | 3 | 25 | 1831 | 3046 |
| 378 | enzymes | 1 | 25 | 2921 | 3211 |
| 378 | natural disasters | 1 | 25 | 2470 | 2652 |
| 378 | drug evaluation | 1 | 25 | 2757 | 2880 |
| 387 | Coastal Engineering | 1 | 24 | 322 | 239 |
| 387 | Hydraulic Engineering | 2 | 24 | 1394 | 1725 |
| 387 | Hydrodynamics | 1 | 24 | 1067 | 1199 |
| 387 | Microfabrication | 1 | 24 | 879 | 847 |
| 387 | Gerontology | 3 | 24 | 2524 | 3394 |
| 387 | East Asia | 6 | 24 | 424 | 1005 |
| 387 | toxicity testing | 3 | 24 | 908 | 1842 |
| 387 | Quantum theory | 1 | 24 | 1697 | 1535 |
| 387 | Europe | 3 | 24 | 4267 | 5519 |
| 396 | Sleep Disorders | 2 | 23 | 2604 | 3101 |
| 396 | Religion | 312 | 23 | 8 | 946 |
| 396 | Bioorganic chemistry | 2 | 23 | 3844 | 4917 |
| 396 | water supply | 1 | 23 | 1817 | 2062 |
| 396 | Sleep | 2 | 23 | 2616 | 3106 |
| 401 | Geology | 4 | 22 | 3195 | 4720 |
| 401 | Sustainable Engineering | 1 | 22 | 2907 | 3247 |
| 401 | Chromosome mapping | 3 | 22 | 2447 | 4398 |
| 401 | Developing countries | 2 | 22 | 3749 | 4641 |
| 401 | gene mapping | 3 | 22 | 2682 | 4773 |
| 406 | Emergency Medical Services | 1 | 21 | 1894 | 1842 |
| 406 | emergency management | 1 | 21 | 1923 | 2034 |
| 406 | Wireless Communication Systems | 3 | 21 | 2362 | 3008 |
| 406 | food contamination | 4 | 21 | 1094 | 2183 |
| 406 | Ferroelectricity | 1 | 21 | 1654 | 1217 |
| 406 | Buddhism | 309 | 21 | 8 | 30 |
| 406 | Nonprofit organizations | 4 | 21 | 289 | 776 |
| 413 | Transportation | 2 | 20 | 2288 | 3003 |
| 413 | Australia | 3 | 20 | 2483 | 3731 |
| 415 | Paleontology | 2 | 19 | 1808 | 2207 |
| 415 | Solid State Chemistry | 6 | 19 | 2159 | 3945 |
| 415 | International Finance | 1 | 19 | 2659 | 2735 |
| 415 | Capital market | 1 | 19 | 803 | 971 |
| 415 | Reproduction | 1 | 19 | 4386 | 4670 |
| 415 | Information Science | 2 | 19 | 3665 | 4833 |
| 421 | Housing | 5 | 18 | 356 | 1133 |
| 421 | bioluminescence | 1 | 18 | 820 | 745 |
| 421 | Product life cycle | 1 | 18 | 702 | 947 |
| 421 | Biomolecules | 1 | 18 | 996 | 1373 |
| 421 | green products | 1 | 18 | 615 | 891 |
| 426 | Comparative Education | 3 | 17 | 275 | 505 |
| 426 | Microbial Biotechnology | 2 | 17 | 1499 | 2467 |
| 426 | International Education | 1 | 17 | 532 | 586 |
| 426 | sleep-wake cycle | 1 | 17 | 337 | 279 |
| 426 | Protein engineering | 1 | 17 | 542 | 757 |
| 426 | molecular design | 1 | 17 | 603 | 765 |
| 426 | Metals | 4 | 17 | 2417 | 3880 |
| 426 | pigments | 2 | 17 | 1163 | 1841 |
| 434 | Petrology | 1 | 16 | 1475 | 1653 |
| 434 | Agricultural Microbiology | 3 | 16 | 103 | 165 |
| 434 | Infection control | 3 | 16 | 914 | 2041 |
| 434 | Medical Anthropology | 1 | 16 | 2621 | 3567 |
| 434 | Radio wave propagation | 2 | 16 | 1179 | 1476 |
| 434 | Lipids | 4 | 16 | 1478 | 3372 |
| 434 | child abuse | 1 | 16 | 1708 | 2148 |
| 434 | Developed countries | 1 | 16 | 462 | 595 |
| 442 | Nuclear Engineering | 3 | 15 | 1534 | 2093 |
| 442 | Nuclear Energy | 3 | 15 | 1391 | 1918 |
| 442 | Quality Control | 3 | 15 | 2244 | 4081 |
| 442 | Microbial Metabolism | 1 | 15 | 486 | 823 |
| 442 | energy development | 2 | 15 | 1300 | 2340 |
| 442 | computer networks | 3 | 15 | 2804 | 4195 |
| 448 | Geochemistry | 2 | 14 | 2719 | 4075 |
| 448 | Travel | 4 | 14 | 941 | 2283 |
| 448 | Mortgages | 1 | 14 | 439 | 566 |
| 448 | mathematical analysis | 9 | 14 | 1796 | 3250 |
| 452 | Clinical Biochemistry | 1 | 13 | 2765 | 3077 |
| 452 | Psychopharmacology | 3 | 13 | 2057 | 3572 |
| 452 | Geomagnetism | 1 | 13 | 1223 | 1440 |
| 452 | Neuropharmacology | 3 | 13 | 705 | 1604 |
| 452 | Action Research | 1 | 13 | 519 | 644 |
| 452 | Teaching | 2 | 13 | 2598 | 3415 |
| 452 | Cell survival | 1 | 13 | 559 | 920 |
| 452 | Physical fitness | 3 | 13 | 1282 | 2319 |
| 452 | Microscopy | 1 | 13 | 3363 | 3395 |
| 452 | freshwater biology | 3 | 13 | 1121 | 2189 |
| 452 | molecular chaperones | 1 | 13 | 630 | 934 |
| 463 | Urban Planning | 3 | 12 | 426 | 1084 |
| 463 | Intercultural Communication | 1 | 12 | 805 | 956 |
| 463 | Psychosomatic Medicine | 1 | 12 | 1775 | 2334 |
| 463 | Surface-Active Agents | 1 | 12 | 2097 | 2932 |
| 463 | community development | 4 | 12 | 548 | 1337 |
| 463 | Technology Assessment | 1 | 12 | 845 | 1408 |
| 463 | Food additives | 3 | 12 | 1464 | 3040 |
| 463 | Soft Condensed Matter | 1 | 12 | 1927 | 2394 |
| 463 | glycoproteins | 1 | 12 | 1035 | 1463 |
| 463 | Surface properties | 1 | 12 | 2208 | 3049 |
| 463 | Glycoconjugates | 1 | 12 | 1035 | 1463 |
| 463 | Communication | 5 | 12 | 1863 | 4091 |
| 463 | Oligosaccharide | 1 | 12 | 722 | 1098 |
| 463 | ecosystem | 1 | 12 | 2546 | 3437 |
| 463 | phenomics | 1 | 12 | 116 | 200 |
| 463 | Chemical structure | 1 | 12 | 1190 | 1174 |
| 463 | Therapeutics | 2 | 12 | 2852 | 4688 |
| 463 | psychotherapy | 1 | 12 | 2607 | 2931 |
| 463 | concrete | 8 | 12 | 657 | 2192 |
| 463 | Population | 3 | 12 | 1284 | 2543 |
| 463 | glycolipids | 1 | 12 | 1035 | 1463 |
| 484 | Physical Therapy | 1 | 11 | 2687 | 3326 |
| 484 | Economic Geography | 1 | 11 | 752 | 894 |
| 484 | Computational Chemistry | 1 | 11 | 1319 | 1689 |
| 484 | Functional Analysis | 5 | 11 | 1162 | 2043 |
| 484 | Urban Economics | 1 | 11 | 702 | 951 |
| 484 | Labor Economics | 1 | 11 | 992 | 1149 |
| 484 | Mass Media | 3 | 11 | 1111 | 1356 |
| 484 | Urbanization | 1 | 11 | 612 | 681 |
| 484 | Globalization | 1 | 11 | 1244 | 1642 |
| 484 | Child Development | 3 | 11 | 2471 | 4519 |
| 484 | Cellulose | 1 | 11 | 1294 | 1855 |
| 484 | United Kingdom | 1 | 11 | 3402 | 4017 |
| 496 | Oceanography | 2 | 10 | 2488 | 3800 |
| 496 | Fluid Dynamics | 1 | 10 | 2173 | 2584 |
| 496 | Agronomy | 2 | 10 | 795 | 1643 |
| 496 | Natural resources | 1 | 10 | 1551 | 2034 |
| 496 | Heat Exchangers | 1 | 10 | 2108 | 2927 |
| 496 | DNS | 3 | 10 | 624 | 1686 |
| 496 | Middle East | 3 | 10 | 1166 | 2000 |
| 503 | Pharmacognosy | 1 | 9 | 3365 | 4456 |
| 503 | Public Policy | 2 | 9 | 2760 | 4824 |
| 503 | Computational Biology | 4 | 9 | 3422 | 6778 |
| 503 | Numerical Analysis | 3 | 9 | 2667 | 4168 |
| 503 | Nanoelectronics | 5 | 9 | 784 | 1856 |
| 503 | Clinical Pharmacology | 1 | 9 | 2962 | 3817 |
| 503 | Number Theory | 3 | 9 | 983 | 1384 |
| 503 | Hemostasis | 1 | 9 | 1707 | 2205 |
| 503 | Tourism | 2 | 9 | 2162 | 3476 |
| 503 | Thrombosis | 1 | 9 | 2224 | 2923 |
| 503 | Diagnostic Imaging | 2 | 9 | 3233 | 4863 |
| 503 | Mental Health Services | 1 | 9 | 2758 | 3422 |
| 503 | Gene expression regulation | 1 | 9 | 2140 | 2873 |
| 503 | Genetic regulation | 1 | 9 | 2399 | 3206 |
| 503 | protein | 1 | 9 | 2472 | 3092 |
| 503 | natural products | 1 | 9 | 3153 | 3699 |
| 503 | color | 2 | 9 | 421 | 786 |
| 503 | Birds | 2 | 9 | 1698 | 2322 |
| 503 | extraterrestrial environment | 1 | 9 | 1340 | 1649 |
| 503 | astronomical phenomena | 1 | 9 | 1240 | 1506 |
| 523 | Social Choice Theory | 1 | 8 | 466 | 527 |
| 523 | Mobile Computing | 1 | 8 | 2283 | 2510 |
| 523 | Regional Planning | 4 | 8 | 1603 | 3410 |
| 523 | Immunopharmacology | 1 | 8 | 2150 | 2942 |
| 523 | Supramolecular chemistry | 1 | 8 | 546 | 723 |
| 523 | Water Microbiology | 1 | 8 | 1106 | 1820 |
| 523 | Sound | 3 | 8 | 1027 | 1744 |
| 523 | Chemical processes | 1 | 8 | 1299 | 1756 |
| 523 | exobiology | 1 | 8 | 707 | 1031 |
| 523 | cytokines | 1 | 8 | 2646 | 3667 |
| 523 | ozone | 1 | 8 | 310 | 533 |
| 523 | Entomology | 1 | 8 | 4158 | 4652 |
| 535 | Linguistics | 4 | 7 | 1566 | 2728 |
| 535 | Structural dynamics | 1 | 7 | 1850 | 2568 |
| 535 | Health Policy | 2 | 7 | 3773 | 6360 |
| 535 | Earthquake Engineering | 1 | 7 | 2081 | 2722 |
| 535 | Total Quality Management | 2 | 7 | 799 | 1763 |
| 535 | microwave antennas | 1 | 7 | 850 | 1078 |
| 535 | Thin Films | 2 | 7 | 908 | 1610 |
| 535 | Simulation Methods | 1 | 7 | 2078 | 2660 |
| 535 | Developmental Neurobiology | 1 | 7 | 1238 | 1655 |
| 535 | microwave communication systems | 1 | 7 | 350 | 477 |
| 535 | Computational Complexity | 1 | 7 | 2065 | 2402 |
| 535 | Classification | 2 | 7 | 417 | 789 |
| 535 | Nervous system | 2 | 7 | 3673 | 6073 |
| 535 | cataloging | 2 | 7 | 184 | 220 |
| 535 | Student Health Services | 1 | 7 | 571 | 853 |
| 535 | Microwaves | 1 | 7 | 1965 | 2083 |
| 535 | Cement | 6 | 7 | 457 | 1591 |
| 535 | genome | 1 | 7 | 3273 | 4404 |
| 553 | Geomorphology | 1 | 6 | 2317 | 3196 |
| 553 | Acoustics | 3 | 6 | 308 | 546 |
| 553 | Organizational change | 1 | 6 | 1479 | 2071 |
| 553 | Active Learning | 1 | 6 | 187 | 359 |
| 553 | Mental Disorders | 2 | 6 | 4635 | 7463 |
| 553 | Wildlife conservation | 1 | 6 | 2218 | 3205 |
| 553 | Critical Pedagogy | 1 | 6 | 193 | 316 |
| 553 | Cell differentiation | 1 | 6 | 3181 | 4439 |
| 553 | teratogenic agents | 1 | 6 | 600 | 985 |
| 553 | Organizational innovation | 1 | 6 | 69 | 115 |
| 553 | Visual Perception | 3 | 6 | 2363 | 4815 |
| 553 | concepts | 2 | 6 | 160 | 340 |
| 553 | carcinogens | 1 | 6 | 2110 | 3070 |
| 553 | Hegemony | 1 | 6 | 75 | 120 |
| 553 | Learning | 1 | 6 | 2659 | 3579 |
| 553 | human development | 2 | 6 | 1076 | 2171 |
| 553 | mammals | 1 | 6 | 2109 | 2773 |
| 553 | Catalysts | 1 | 6 | 1291 | 1843 |
| 571 | Political Science | 1 | 5 | 3299 | 3350 |
| 571 | Software Engineering | 5 | 5 | 925 | 2433 |
| 571 | Database Management | 1 | 5 | 1472 | 2088 |
| 571 | Clinical Psychology | 1 | 5 | 2830 | 3977 |
| 571 | Clinical Laboratory Science | 1 | 5 | 643 | 1030 |
| 571 | Rural Development | 1 | 5 | 1261 | 1641 |
| 571 | Community Psychiatry | 1 | 5 | 2238 | 3220 |
| 571 | Histochemistry | 2 | 5 | 1691 | 3127 |
| 571 | Public Administration | 2 | 5 | 2077 | 3200 |
| 571 | Acoustic holography | 2 | 5 | 141 | 150 |
| 571 | Adolescent Psychology | 1 | 5 | 1737 | 2505 |
| 571 | Holography | 2 | 5 | 141 | 150 |
| 571 | Acoustic imaging | 2 | 5 | 141 | 150 |
| 571 | Child psychology | 1 | 5 | 2906 | 3987 |
| 571 | older people | 1 | 5 | 3374 | 3845 |
| 571 | Ultrasonic Imaging | 2 | 5 | 795 | 1726 |
| 571 | marketing | 2 | 5 | 2541 | 4062 |
| 571 | Southeast Asia | 1 | 5 | 964 | 1158 |
| 571 | Psychiatric Epidemiology | 1 | 5 | 1120 | 1975 |
| 571 | Mental illness | 1 | 5 | 4008 | 5486 |
| 591 | Mechatronics | 1 | 4 | 1462 | 2163 |
| 591 | Systems Analysis | 1 | 4 | 2233 | 3322 |
| 591 | Probability | 1 | 4 | 1264 | 1941 |
| 591 | Metallurgy | 4 | 4 | 2699 | 5239 |
| 591 | Signal Processing | 2 | 4 | 2779 | 4647 |
| 591 | Integrated Circuits | 2 | 4 | 1133 | 1756 |
| 591 | Risk assessment | 1 | 4 | 1431 | 2319 |
| 591 | ecological risk assessment | 1 | 4 | 668 | 1230 |
| 591 | Socioeconomic Factors | 1 | 4 | 1731 | 2937 |
| 591 | local government | 1 | 4 | 668 | 1055 |
| 591 | dietary supplements | 1 | 4 | 1659 | 2726 |
| 591 | Marriage | 1 | 4 | 1089 | 1738 |
| 591 | Radioisotopes | 1 | 4 | 2501 | 3224 |
| 591 | Family | 1 | 4 | 1900 | 2818 |
| 591 | Earthquakes | 1 | 4 | 799 | 1145 |
| 591 | Genetic markers | 1 | 4 | 702 | 1352 |
| 591 | supercritical fluids | 3 | 4 | 422 | 1318 |
| 591 | Health Risk Assessment | 1 | 4 | 1129 | 1862 |
| 591 | probabilities | 1 | 4 | 2173 | 2530 |
| 591 | Detectors | 1 | 4 | 2008 | 2845 |
| 591 | health planning | 2 | 4 | 3285 | 5958 |
| 591 | Isotopes | 1 | 4 | 322 | 655 |
| 613 | Systems Engineering | 3 | 3 | 2580 | 5101 |
| 613 | Orthopedics | 1 | 3 | 3048 | 4189 |
| 613 | Nuclear Medicine | 1 | 3 | 2107 | 2803 |
| 613 | Photography | 1 | 3 | 3467 | 3188 |
| 613 | Geriatric Psychiatry | 2 | 3 | 1763 | 3412 |
| 613 | Neurosurgery | 1 | 3 | 2353 | 3131 |
| 613 | Child | 1 | 3 | 4987 | 6610 |
| 613 | Organometallic chemistry | 1 | 3 | 3301 | 4328 |
| 613 | Molecular Imaging | 1 | 3 | 1378 | 2047 |
| 613 | Bioinorganic chemistry | 1 | 3 | 2514 | 3549 |
| 613 | Happiness | 2 | 3 | 621 | 1691 |
| 613 | Bioinformatics | 2 | 3 | 3141 | 5508 |
| 613 | Exercise therapy | 1 | 3 | 976 | 1461 |
| 613 | Qualitative Research | 2 | 3 | 712 | 1653 |
| 613 | Respiratory system | 1 | 3 | 1308 | 2098 |
| 613 | Migration | 2 | 3 | 280 | 810 |
| 613 | Cheminformatics | 2 | 3 | 543 | 1376 |
| 613 | DNA | 2 | 3 | 975 | 2240 |
| 613 | sports injuries | 1 | 3 | 1212 | 1902 |
| 613 | Primates | 1 | 3 | 1446 | 2053 |
| 613 | children | 1 | 3 | 1142 | 1770 |
| 634 | Mining Engineering | 3 | 2 | 655 | 1601 |
| 634 | Computer Science | 4 | 2 | 2332 | 5808 |
| 634 | Statistics | 1 | 2 | 4731 | 6009 |
| 634 | Institutional Economics | 1 | 2 | 287 | 582 |
| 634 | Genetic engineering | 1 | 2 | 4189 | 5983 |
| 634 | Seismology | 3 | 2 | 650 | 1526 |
| 634 | Manufacturing Processes | 2 | 2 | 3121 | 5308 |
| 634 | Psycholinguistics | 1 | 2 | 1743 | 2631 |
| 634 | Product Design | 2 | 2 | 769 | 1582 |
| 634 | Production Engineering | 2 | 2 | 2715 | 4807 |
| 634 | Adult Education | 1 | 2 | 1205 | 1855 |
| 634 | Neurolinguistics | 1 | 2 | 869 | 1387 |
| 634 | Microbial Genetics | 1 | 2 | 780 | 1312 |
| 634 | Forest Ecology | 1 | 2 | 1940 | 2949 |
| 634 | Mental Health | 1 | 2 | 3487 | 5167 |
| 634 | Evolutionary economics | 1 | 2 | 406 | 715 |
| 634 | mental health policy | 1 | 2 | 463 | 865 |
| 634 | Nonlinear functional analysis | 3 | 2 | 1278 | 2490 |
| 634 | Democracy | 1 | 2 | 735 | 902 |
| 634 | Democratization | 1 | 2 | 324 | 608 |
| 634 | Rheology | 1 | 2 | 1199 | 1832 |
| 634 | Leadership | 1 | 2 | 995 | 1703 |
| 634 | Herbal medicine | 1 | 2 | 1534 | 2610 |
| 634 | Computational Fluid Dynamics | 1 | 2 | 1329 | 2057 |
| 634 | Synchrotron Radiation | 1 | 2 | 833 | 1290 |
| 634 | Human Capital | 1 | 2 | 604 | 1057 |
| 634 | Primary health care | 2 | 2 | 2855 | 5783 |
| 634 | Groundwater | 4 | 2 | 715 | 2182 |
| 634 | Phytotherapy | 1 | 2 | 1812 | 3088 |
| 634 | Vegetation | 1 | 2 | 304 | 576 |
| 634 | traffic safety | 1 | 2 | 689 | 1254 |
| 634 | Autism | 2 | 2 | 1034 | 2300 |
| 666 | Anthropology | 1 | 1 | 3275 | 4342 |
| 666 | Health Services Administration | 1 | 1 | 2610 | 4298 |
| 666 | International Relations | 1 | 1 | 2258 | 2838 |
| 666 | Telecommunication Systems | 1 | 1 | 2843 | 3954 |
| 666 | Cartography | 2 | 1 | 831 | 1658 |
| 666 | Public History | 1 | 1 | 19 | 21 |
| 666 | Public Health Administration | 1 | 1 | 856 | 1329 |
| 666 | Human Geography | 1 | 1 | 2098 | 3200 |
| 666 | Radiation Protection | 1 | 1 | 1547 | 2269 |
| 666 | Statistical Mechanics | 1 | 1 | 2221 | 3025 |
| 666 | Physical organic chemistry | 1 | 1 | 2386 | 3514 |
| 666 | Image Processing | 1 | 1 | 3646 | 5335 |
| 666 | Popular culture | 2 | 1 | 741 | 1320 |
| 666 | Dynamic programming | 1 | 1 | 52 | 91 |
| 666 | radiation monitoring | 1 | 1 | 1393 | 2118 |
| 666 | Flow Visualization | 1 | 1 | 176 | 255 |
| 666 | Photogrammetry | 1 | 1 | 1840 | 2456 |
| 666 | Bifurcation Theory | 1 | 1 | 1257 | 1859 |
| 666 | foreign policy | 1 | 1 | 537 | 635 |
| 666 | social justice | 1 | 1 | 775 | 1185 |
| 666 | Solitons | 1 | 1 | 1999 | 2996 |
| 666 | Fractals | 1 | 1 | 2280 | 3294 |
| 666 | Chaos | 1 | 1 | 1999 | 2996 |
| 666 | Eastern Europe | 2 | 1 | 1487 | 2784 |
| 666 | Communist countries | 2 | 1 | 380 | 1003 |
| 666 | Diplomatic relations | 1 | 1 | 1468 | 1775 |
| 666 | sports administration | 1 | 1 | 623 | 1125 |
| 666 | body temperature | 1 | 1 | 1110 | 2027 |
| 666 | Alzheimer's disease | 1 | 1 | 2779 | 3253 |
| 666 | Radiation dosimetry | 1 | 1 | 1132 | 1786 |
| 666 | Semiconductor industry | 2 | 1 | 954 | 1963 |
| 666 | eugenics | 1 | 1 | 1457 | 2490 |
| 698 | Arts | 1 | 0 | 1129 | 1593 |
| 698 | Applied Mathematics | 1 | 0 | 1955 | 2768 |
| 698 | Insurance Law | 2 | 0 | 47 | 36 |
| 698 | Structural optimization | 1 | 0 | 721 | 1282 |
| 698 | Cybernetics | 1 | 0 | 2570 | 4081 |
| 698 | Ergonomics | 1 | 0 | 2128 | 3264 |
| 698 | Crop Science | 1 | 0 | 317 | 610 |
| 698 | Special Education | 2 | 0 | 1158 | 2488 |
| 698 | Evolutionary Psychology | 1 | 0 | 344 | 678 |
| 698 | Sociolinguistics | 1 | 0 | 831 | 1388 |
| 698 | housing policy | 1 | 0 | 269 | 559 |
| 698 | Geopolitics | 1 | 0 | 603 | 1097 |
| 698 | Fermentation | 1 | 0 | 602 | 1019 |
| 698 | Regionalism | 1 | 0 | 490 | 954 |
| 698 | transgenic organisms | 1 | 0 | 657 | 1316 |
| 698 | Functional foods | 1 | 0 | 899 | 1714 |
| 698 | transgenic animals | 1 | 0 | 622 | 1271 |
| 698 | Mass Spectrometry | 1 | 0 | 2369 | 3692 |
| 698 | Coatings | 2 | 0 | 157 | 354 |
| 698 | Composite Materials | 1 | 0 | 4315 | 6070 |
| 698 | Public Finance | 1 | 0 | 402 | 766 |
| 698 | acupuncture | 1 | 0 | 542 | 992 |
| 698 | Transgenic plants | 1 | 0 | 1047 | 1850 |
| 698 | Russia | 1 | 0 | 539 | 752 |
| 698 | families | 2 | 0 | 1246 | 2872 |
| 698 | Foodborne diseases | 1 | 0 | 630 | 1209 |
| 698 | industrial relations | 1 | 0 | 1600 | 2563 |
| 698 | brewing | 1 | 0 | 548 | 915 |
| 698 | Urban Areas | 1 | 0 | 524 | 1065 |
| 698 | Endocrine system | 1 | 0 | 1800 | 1930 |
| 698 | food industry | 2 | 0 | 1022 | 2687 |
| 698 | Navier-Stokes equations | 1 | 0 | 319 | 523 |
| 698 | lasers | 2 | 0 | 2777 | 4779 |
| 698 | Fuzzy systems | 1 | 0 | 3098 | 4551 |
| 698 | Spiders | 1 | 0 | 86 | 167 |
| 698 | cosmetics | 1 | 0 | 531 | 1077 |
