| 1 | Chemistry | 23 | 4.1K | 4258 | 1948 |
| 2 | Chemical Engineering | 14 | 3.9K | 2387 | 799 |
| 3 | Analytical Chemistry | 85 | 1.8K | 871 | 1061 |
| 4 | Biotechnology | 18 | 1.4K | 2850 | 1994 |
| 5 | Biology | 34 | 1.4K | 3333 | 3935 |
| 6 | Spectrum analysis | 35 | 1.1K | 1323 | 1286 |
| 7 | Science | 25 | 1.1K | 4355 | 4637 |
| 8 | Physics | 24 | 859 | 3991 | 4762 |
| 9 | Natural history | 23 | 841 | 1312 | 3095 |
| 10 | Molecular Biology | 9 | 775 | 5136 | 3697 |
| 11 | Quality Control | 51 | 715 | 151 | 399 |
| 12 | Accreditation | 44 | 680 | 3 | 4 |
| 13 | Biochemistry | 18 | 668 | 4408 | 4041 |
| 14 | Research | 6 | 652 | 7303 | 3913 |
| 15 | Clinical Chemistry | 15 | 621 | 1353 | 1258 |
| 16 | Medical Laboratory Science | 5 | 611 | 1788 | 990 |
| 17 | Chemical analysis | 17 | 609 | 348 | 303 |
| 18 | Toxicology | 25 | 594 | 1763 | 2112 |
| 19 | Mass Spectrometry | 23 | 539 | 366 | 418 |
| 20 | nucleic acids | 2 | 537 | 2032 | 1039 |
| 21 | Pharmaceutical Chemistry | 14 | 525 | 2022 | 1871 |
| 22 | Medical Technology | 2 | 495 | 2374 | 551 |
| 23 | Technology | 8 | 493 | 2745 | 1570 |
| 24 | Biocompatible Materials | 11 | 470 | 2119 | 2165 |
| 25 | Microbiology | 7 | 450 | 4611 | 3731 |
| 26 | Chemical industry | 6 | 420 | 964 | 318 |
| 27 | Food | 10 | 390 | 1767 | 1638 |
| 28 | Agricultural Chemistry | 32 | 347 | 566 | 1246 |
| 29 | Polymers | 12 | 342 | 2559 | 2275 |
| 30 | Chromatography | 19 | 338 | 543 | 662 |
| 30 | Chromatographic analysis | 19 | 338 | 673 | 731 |
| 32 | Analytical Biochemistry | 13 | 303 | 780 | 867 |
| 33 | Materials | 13 | 254 | 3292 | 3629 |
| 34 | Plastics | 11 | 253 | 873 | 797 |
| 34 | polymerization | 11 | 253 | 2259 | 2181 |
| 36 | Pollution | 12 | 235 | 2959 | 4022 |
| 37 | Nanotechnology | 2 | 182 | 5182 | 3685 |
| 38 | Genomics | 4 | 177 | 2922 | 2581 |
| 39 | Environmental Health | 8 | 175 | 3432 | 4272 |
| 40 | Medicine | 2 | 155 | 12747 | 9385 |
| 40 | Botany | 2 | 155 | 4085 | 3018 |
| 42 | Analytical Toxicology | 6 | 136 | 117 | 140 |
| 43 | food technology | 13 | 129 | 1208 | 2211 |
| 44 | Nutrition | 3 | 128 | 4316 | 3838 |
| 45 | gene mapping | 3 | 123 | 2059 | 2128 |
| 45 | cosmetics | 6 | 123 | 88 | 122 |
| 47 | Catalysis | 1 | 120 | 4176 | 2972 |
| 48 | Plant Biotechnology | 1 | 115 | 1359 | 756 |
| 48 | Plant genetic engineering | 1 | 115 | 1498 | 986 |
| 50 | Electrophoresis | 2 | 111 | 2009 | 1479 |
| 50 | Food additives | 5 | 111 | 902 | 1218 |
| 52 | Molecular Genetics | 2 | 107 | 2128 | 2020 |
| 53 | Biophysics | 3 | 104 | 5588 | 5165 |
| 54 | drug evaluation | 11 | 102 | 614 | 1251 |
| 55 | Water pollution | 5 | 94 | 2192 | 2853 |
| 55 | Environmental monitoring | 4 | 94 | 3406 | 4006 |
| 57 | Environmental Engineering | 1 | 91 | 5526 | 3832 |
| 57 | sanitation | 1 | 91 | 2329 | 2067 |
| 59 | Dietetics | 2 | 89 | 753 | 505 |
| 59 | Jurisprudence | 9 | 89 | 514 | 721 |
| 59 | Criminal investigation | 9 | 89 | 51 | 133 |
| 62 | environmental pollution | 5 | 88 | 3499 | 4610 |
| 63 | Pharmaceutical Technology | 2 | 87 | 1907 | 1619 |
| 64 | Immunology | 2 | 82 | 4302 | 4057 |
| 65 | Ecology | 4 | 80 | 5443 | 6822 |
| 65 | Drug delivery systems | 1 | 80 | 2436 | 1852 |
| 65 | drug therapy | 1 | 80 | 3505 | 2456 |
| 68 | Chromosome mapping | 2 | 79 | 2245 | 2272 |
| 69 | Antibodies | 1 | 76 | 1114 | 752 |
| 69 | Antigens | 1 | 76 | 1406 | 954 |
| 69 | Trace elements | 4 | 76 | 214 | 402 |
| 72 | Surface Chemistry | 4 | 72 | 3209 | 3666 |
| 72 | Colloids | 4 | 72 | 3083 | 3808 |
| 74 | Water | 4 | 71 | 2160 | 3106 |
| 75 | enzymes | 1 | 67 | 2339 | 1839 |
| 76 | Dementia | 5 | 64 | 1228 | 1164 |
| 76 | Alzheimer's disease | 5 | 64 | 1253 | 1282 |
| 78 | Genetics | 1 | 63 | 5503 | 4747 |
| 79 | Forensic Genetics | 4 | 62 | 182 | 309 |
| 80 | Flow cytometry | 3 | 60 | 434 | 549 |
| 81 | Environmental Chemistry | 3 | 59 | 2251 | 2780 |
| 82 | Bacteriology | 3 | 54 | 1871 | 2617 |
| 83 | food handling | 8 | 51 | 425 | 1400 |
| 84 | Dentistry | 2 | 49 | 885 | 692 |
| 84 | Environment | 3 | 49 | 4907 | 7090 |
| 86 | Atomic spectroscopy | 2 | 45 | 1390 | 1334 |
| 87 | Cell Biology | 2 | 44 | 4512 | 5294 |
| 88 | Food Safety | 3 | 42 | 196 | 340 |
| 89 | Cancer | 1 | 41 | 5177 | 4979 |
| 90 | Industrial Microbiology | 2 | 40 | 2363 | 3002 |
| 90 | plant molecular biology | 1 | 40 | 2146 | 2344 |
| 90 | Plants | 1 | 40 | 2993 | 2706 |
| 90 | Plant cells | 1 | 40 | 1518 | 1902 |
| 94 | Diagnostic Imaging | 2 | 39 | 2610 | 2628 |
| 94 | foods | 1 | 39 | 581 | 423 |
| 96 | Fermentation | 6 | 37 | 145 | 396 |
| 96 | brewing | 6 | 37 | 127 | 291 |
| 98 | Bioengineering | 2 | 36 | 5024 | 5944 |
| 98 | food contamination | 4 | 36 | 895 | 1469 |
| 100 | pollutants | 5 | 33 | 1539 | 3053 |
| 100 | Environmental pollutants | 5 | 33 | 1865 | 3483 |
| 102 | biological monitoring | 2 | 31 | 707 | 1023 |
| 103 | bioluminescence | 1 | 30 | 720 | 466 |
| 104 | Metabolism | 1 | 29 | 4055 | 4485 |
| 104 | Pharmacogenetics | 1 | 29 | 1662 | 1834 |
| 104 | Drug design | 1 | 29 | 2885 | 2770 |
| 104 | Microbial Metabolism | 1 | 29 | 420 | 604 |
| 108 | Pharmacology | 3 | 27 | 5316 | 7386 |
| 108 | investigative techniques | 1 | 27 | 302 | 418 |
| 110 | Biochemical Engineering | 1 | 26 | 4423 | 5029 |
| 110 | food industry | 2 | 26 | 855 | 1171 |
| 112 | Magnetic Resonance Imaging | 1 | 25 | 889 | 867 |
| 112 | Magnetic Resonance Spectroscopy | 2 | 25 | 1390 | 1545 |
| 112 | nuclear magnetic resonance spectroscopy | 1 | 25 | 1151 | 1007 |
| 112 | NMR | 1 | 25 | 898 | 768 |
| 116 | Environmental Geochemistry | 1 | 24 | 1067 | 1129 |
| 116 | Minerals | 1 | 24 | 1381 | 1432 |
| 118 | Marine Biology | 1 | 23 | 3518 | 3691 |
| 118 | Marine Pollution | 1 | 23 | 1869 | 2226 |
| 120 | Antibacterial agents | 1 | 22 | 1218 | 1554 |
| 120 | Biogeochemistry | 1 | 22 | 1680 | 2041 |
| 120 | drug addiction | 1 | 22 | 1672 | 1934 |
| 120 | alcoholism | 1 | 22 | 2177 | 2370 |
| 120 | Biodiversity | 1 | 22 | 3416 | 3571 |
| 125 | Molecular Pharmacology | 2 | 20 | 990 | 1657 |
| 126 | Aerosols | 1 | 16 | 924 | 1022 |
| 126 | aerosol | 1 | 16 | 638 | 748 |
| 128 | Environmental Toxicology | 5 | 15 | 1969 | 4449 |
| 128 | Surface-Active Agents | 1 | 15 | 1792 | 2402 |
| 128 | environmental protection | 4 | 15 | 3159 | 5885 |
| 128 | Surface properties | 1 | 15 | 1867 | 2493 |
| 128 | environmental exposure | 4 | 15 | 1708 | 3719 |
| 133 | Radioisotopes | 2 | 14 | 1440 | 1930 |
| 134 | Nuclear Chemistry | 1 | 12 | 1742 | 1766 |
| 134 | Radiochemistry | 1 | 12 | 1690 | 1660 |
| 134 | Malaria | 1 | 12 | 1233 | 1633 |
| 137 | Biomedical Engineering | 1 | 10 | 7182 | 8343 |
| 137 | Biosensors | 1 | 10 | 1990 | 2843 |
| 137 | Bioelectronics | 1 | 10 | 1754 | 2559 |
| 140 | industrial hygiene | 3 | 9 | 1154 | 2156 |
| 140 | identification | 4 | 9 | 13 | 76 |
| 142 | Plant diseases | 3 | 8 | 1935 | 3248 |
| 142 | wood | 1 | 8 | 827 | 1051 |
| 142 | Isotopes | 1 | 8 | 272 | 441 |
| 145 | Neurology | 1 | 7 | 7104 | 8501 |
| 145 | Pharmacy | 1 | 7 | 3316 | 4343 |
| 145 | Geology | 1 | 7 | 4036 | 4731 |
| 145 | Pharmacokinetics | 1 | 7 | 1692 | 2325 |
| 145 | X-ray spectroscopy | 2 | 7 | 298 | 604 |
| 145 | Substance Abuse | 1 | 7 | 2166 | 2858 |
| 145 | protein | 1 | 7 | 1947 | 2515 |
| 145 | drugs | 1 | 7 | 3517 | 4621 |
| 145 | proteins | 1 | 7 | 3202 | 4025 |
| 154 | Environmental Microbiology | 1 | 6 | 2234 | 3274 |
| 154 | Health Services Research | 1 | 6 | 2909 | 4110 |
| 154 | Immunochemistry | 1 | 6 | 1677 | 2363 |
| 154 | Radiation | 1 | 6 | 3297 | 4056 |
| 154 | community participation | 1 | 6 | 231 | 400 |
| 154 | Faculty | 1 | 6 | 231 | 400 |
| 154 | immunoassay | 1 | 6 | 457 | 719 |
| 161 | Mathematics | 2 | 5 | 6069 | 7583 |
| 161 | Information Systems | 2 | 5 | 1788 | 3449 |
| 161 | Mineralogy | 1 | 5 | 2015 | 2547 |
| 161 | coal | 1 | 5 | 2399 | 3306 |
| 165 | Hemostasis | 1 | 3 | 1193 | 1835 |
| 165 | Thrombosis | 1 | 3 | 1559 | 2404 |
| 167 | occupational health and safety | 1 | 2 | 392 | 661 |
| 167 | Calorimetry | 2 | 2 | 1487 | 2720 |
| 167 | Thermal analysis | 2 | 2 | 1487 | 2720 |
| 170 | Industrial Safety | 1 | 0 | 2007 | 3297 |
| 170 | Risk assessment | 1 | 0 | 1235 | 2327 |
| 170 | nuclear magnetic resonance | 1 | 0 | 1524 | 2283 |
| 170 | Pesticides | 1 | 0 | 1199 | 1988 |
