| 1 | Chemistry | 418 | 33.0K | 48 | 28 |
| 2 | Analytical Chemistry | 192 | 8.4K | 4 | 4 |
| 3 | Biochemistry | 240 | 8.1K | 46 | 89 |
| 4 | Materials | 50 | 4.0K | 323 | 339 |
| 5 | Biology | 64 | 3.8K | 356 | 427 |
| 6 | Nanotechnology | 54 | 3.4K | 174 | 134 |
| 7 | Physics | 35 | 2.9K | 273 | 401 |
| 8 | Materials Science | 32 | 2.7K | 119 | 57 |
| 9 | Molecular Biology | 99 | 2.6K | 127 | 405 |
| 10 | Biocompatible Materials | 48 | 2.6K | 41 | 43 |
| 11 | Science | 38 | 2.4K | 402 | 624 |
| 12 | Biophysics | 77 | 2.3K | 53 | 65 |
| 13 | Bioorganic chemistry | 59 | 2.1K | 14 | 15 |
| 14 | Organic Chemistry | 55 | 2.0K | 20 | 18 |
| 15 | Virology | 21 | 1.8K | 123 | 393 |
| 16 | Biotechnology | 41 | 1.8K | 108 | 173 |
| 17 | Nanostructured Materials | 30 | 1.5K | 328 | 279 |
| 18 | nanoscience | 20 | 1.4K | 64 | 62 |
| 19 | Molecular structure | 13 | 1.4K | 106 | 65 |
| 20 | Biomedical Engineering | 24 | 1.4K | 79 | 52 |
| 21 | Proteome | 22 | 1.3K | 12 | 17 |
| 22 | Physical organic chemistry | 50 | 1.2K | 6 | 8 |
| 23 | proteins | 34 | 1.2K | 21 | 38 |
| 24 | Pharmaceutical Chemistry | 49 | 1.2K | 44 | 75 |
| 25 | Molecular recognition | 3 | 1.1K | 38 | 2 |
| 26 | Catalysis | 42 | 1.1K | 90 | 120 |
| 27 | Bioengineering | 24 | 1.1K | 97 | 155 |
| 28 | Medicine | 33 | 1.1K | 484 | 730 |
| 29 | Research | 31 | 1.0K | 345 | 400 |
| 30 | Green Chemistry | 15 | 1.0K | 113 | 64 |
| 31 | Optical materials | 12 | 992 | 1049 | 863 |
| 32 | Microbiology | 27 | 955 | 223 | 325 |
| 33 | Environmental Management | 10 | 862 | 80 | 44 |
| 34 | Biosensors | 19 | 819 | 11 | 18 |
| 35 | Chemical analysis | 27 | 775 | 6 | 6 |
| 36 | Cell Biology | 14 | 773 | 664 | 1041 |
| 37 | Nanoparticles | 11 | 767 | 700 | 508 |
| 38 | Diabetes mellitus | 3 | 647 | 574 | 101 |
| 39 | Biochemical Engineering | 8 | 614 | 142 | 211 |
| 40 | Proteomics | 13 | 607 | 24 | 32 |
| 40 | Clinical Chemistry | 21 | 607 | 32 | 61 |
| 42 | Cytology | 17 | 605 | 356 | 1053 |
| 43 | Bioelectronics | 13 | 581 | 15 | 25 |
| 44 | Diabetes | 2 | 570 | 1279 | 147 |
| 45 | Ecology | 18 | 560 | 951 | 1493 |
| 46 | Natural history | 1 | 535 | 1285 | 948 |
| 47 | plant molecular biology | 4 | 515 | 463 | 285 |
| 48 | Pharmacology | 24 | 486 | 360 | 783 |
| 49 | Nanostructures | 8 | 472 | 56 | 79 |
| 50 | actuators | 16 | 470 | 24 | 42 |
| 50 | transducers | 16 | 470 | 24 | 42 |
| 52 | Botany | 5 | 450 | 1626 | 1164 |
| 53 | Colloids | 13 | 442 | 96 | 111 |
| 54 | Informatics | 12 | 389 | 13 | 17 |
| 55 | miniaturization | 9 | 387 | 54 | 115 |
| 56 | Cancer | 6 | 385 | 930 | 814 |
| 57 | Chemical Engineering | 13 | 380 | 444 | 575 |
| 57 | Surface Chemistry | 13 | 380 | 102 | 130 |
| 59 | Mass Spectrometry | 14 | 371 | 46 | 60 |
| 60 | Pharmaceutical Technology | 12 | 368 | 131 | 114 |
| 60 | catalytic activity | 12 | 368 | 107 | 93 |
| 62 | Physical Chemistry | 9 | 358 | 63 | 99 |
| 63 | Energy Conversion | 2 | 333 | 135 | 94 |
| 63 | Energy Storage | 2 | 333 | 556 | 57 |
| 63 | Energy Harvesting | 2 | 333 | 37 | 25 |
| 66 | Analytical Biochemistry | 16 | 330 | 16 | 37 |
| 67 | Electrophoresis | 18 | 329 | 105 | 128 |
| 68 | Environment | 11 | 322 | 575 | 1776 |
| 69 | Plant physiology | 4 | 321 | 434 | 312 |
| 70 | Chemical Ecology | 9 | 311 | 13 | 13 |
| 70 | Environmental Chemistry | 9 | 311 | 110 | 185 |
| 70 | pheromones | 9 | 311 | 13 | 13 |
| 73 | Cheminformatics | 12 | 309 | 5 | 72 |
| 74 | Membranes | 5 | 307 | 61 | 58 |
| 75 | Chromatographic analysis | 17 | 306 | 94 | 101 |
| 76 | Plant Genetics | 3 | 303 | 46 | 38 |
| 77 | Polymers | 19 | 296 | 492 | 743 |
| 78 | Photonics | 4 | 279 | 1019 | 600 |
| 79 | Electrochemistry | 11 | 272 | 257 | 266 |
| 80 | Computational Biology | 13 | 263 | 110 | 425 |
| 80 | Combinatorial chemistry | 6 | 263 | 22 | 37 |
| 82 | Spectrum analysis | 16 | 259 | 121 | 236 |
| 83 | Immunology | 12 | 235 | 413 | 1214 |
| 84 | Light | 1 | 227 | 650 | 117 |
| 85 | Bioinformatics | 11 | 225 | 79 | 226 |
| 86 | Molecular Microbiology | 5 | 222 | 167 | 190 |
| 87 | Neurology | 8 | 218 | 1101 | 2259 |
| 88 | Plants | 1 | 212 | 1559 | 685 |
| 88 | Plant cells | 1 | 212 | 1553 | 802 |
| 90 | viruses | 7 | 208 | 85 | 206 |
| 91 | Sustainable Engineering | 6 | 202 | 394 | 537 |
| 92 | Crystal growth | 10 | 198 | 14 | 26 |
| 93 | protein | 14 | 193 | 54 | 218 |
| 94 | nucleic acids | 5 | 190 | 137 | 252 |
| 95 | Metabolism | 5 | 188 | 652 | 848 |
| 96 | Immunity | 4 | 185 | 369 | 558 |
| 97 | Chromatography | 13 | 183 | 92 | 146 |
| 98 | Bacteriology | 11 | 182 | 166 | 640 |
| 99 | polymerization | 10 | 175 | 701 | 816 |
| 100 | Microbial Ecology | 7 | 170 | 256 | 705 |
| 101 | Genetics | 4 | 162 | 814 | 1163 |
| 102 | Biological Systems | 7 | 161 | 12 | 26 |
| 103 | Computer-Aided Design | 6 | 151 | 23 | 39 |
| 104 | Host-parasite interactions | 3 | 150 | 103 | 207 |
| 104 | Virulence | 3 | 150 | 98 | 197 |
| 106 | Microelectronics | 5 | 149 | 127 | 205 |
| 107 | Molecular Pharmacology | 4 | 142 | 30 | 72 |
| 108 | Nutrition | 7 | 137 | 605 | 1311 |
| 109 | United States | 3 | 132 | 2157 | 1130 |
| 110 | biopolymers | 4 | 129 | 175 | 203 |
| 111 | natural products | 5 | 122 | 69 | 81 |
| 112 | Psychopharmacology | 2 | 119 | 473 | 403 |
| 112 | Neuropharmacology | 2 | 119 | 113 | 58 |
| 114 | Pharmacognosy | 4 | 117 | 87 | 124 |
| 115 | Bioinorganic chemistry | 4 | 115 | 370 | 191 |
| 116 | Yeast | 2 | 113 | 66 | 45 |
| 117 | Technology | 5 | 112 | 854 | 1555 |
| 117 | glycoproteins | 4 | 112 | 12 | 26 |
| 117 | Glycoconjugates | 4 | 112 | 12 | 26 |
| 117 | glycolipids | 4 | 112 | 12 | 26 |
| 121 | infection | 4 | 110 | 73 | 145 |
| 122 | Astrophysics | 3 | 109 | 587 | 486 |
| 123 | Molecular evolution | 3 | 107 | 171 | 261 |
| 124 | Drug design | 6 | 106 | 106 | 277 |
| 125 | Physiology | 7 | 105 | 1001 | 2669 |
| 126 | enzymes | 3 | 103 | 96 | 136 |
| 127 | Oligosaccharides | 3 | 98 | 6 | 11 |
| 128 | Trace elements | 7 | 94 | 7 | 21 |
| 128 | Entomology | 4 | 94 | 483 | 459 |
| 130 | Liquid chromatography | 2 | 89 | 64 | 17 |
| 131 | Engineering | 5 | 88 | 280 | 317 |
| 132 | mutation | 1 | 85 | 95 | 77 |
| 132 | peptides | 4 | 85 | 179 | 260 |
| 132 | Chromosomes | 1 | 85 | 164 | 127 |
| 132 | Evolution | 3 | 85 | 781 | 1300 |
| 136 | Medical Laboratory Science | 5 | 83 | 83 | 208 |
| 136 | Crystallography | 2 | 83 | 104 | 55 |
| 136 | X-ray crystallography | 2 | 83 | 56 | 24 |
| 139 | Epidemiology | 1 | 82 | 2014 | 1228 |
| 139 | Pediatrics | 1 | 82 | 1839 | 1168 |
| 141 | Nutrition physiology | 1 | 81 | 231 | 105 |
| 141 | Diet | 1 | 81 | 745 | 561 |
| 143 | Environmental Policy | 2 | 80 | 392 | 549 |
| 143 | Hemostasis | 1 | 80 | 114 | 62 |
| 143 | Thrombosis | 1 | 80 | 170 | 148 |
| 146 | Drug delivery systems | 3 | 78 | 79 | 176 |
| 146 | Diagnostic microbiology | 2 | 78 | 109 | 205 |
| 146 | Molecules | 2 | 78 | 119 | 234 |
| 149 | Neurochemistry | 4 | 75 | 474 | 1444 |
| 150 | Bioenergetics | 5 | 74 | 27 | 98 |
| 150 | Energy metabolism | 5 | 74 | 26 | 68 |
| 152 | Toxicology | 3 | 73 | 1427 | 1869 |
| 153 | Soft Condensed Matter | 2 | 72 | 78 | 93 |
| 154 | Solid State Chemistry | 4 | 69 | 448 | 436 |
| 155 | Neurobiology | 3 | 68 | 323 | 815 |
| 156 | Medical Microbiology | 2 | 67 | 249 | 420 |
| 157 | Nanochemistry | 4 | 64 | 33 | 59 |
| 157 | Respiration | 1 | 64 | 211 | 210 |
| 157 | drug interactions | 3 | 64 | 2 | 4 |
| 160 | Psychoneuroimmunology | 1 | 63 | 118 | 124 |
| 160 | Neuroimmunology | 1 | 63 | 126 | 134 |
| 162 | particles | 1 | 62 | 491 | 241 |
| 162 | Granular materials | 1 | 62 | 36 | 18 |
| 164 | synthesis | 3 | 61 | 58 | 45 |
| 165 | Education | 2 | 60 | 992 | 801 |
| 165 | technical education | 1 | 60 | 50 | 30 |
| 167 | Systems Biology | 2 | 58 | 258 | 339 |
| 168 | Immunotherapy | 2 | 57 | 191 | 414 |
| 168 | Environmental Health | 4 | 57 | 576 | 1396 |
| 168 | Radiopharmaceuticals | 1 | 57 | 254 | 55 |
| 168 | Biomolecules | 2 | 57 | 349 | 506 |
| 172 | Microfluidics | 1 | 55 | 196 | 189 |
| 173 | Supramolecular chemistry | 5 | 54 | 4 | 6 |
| 173 | biological evolution | 1 | 54 | 1146 | 1184 |
| 175 | Animal genetics | 1 | 51 | 304 | 220 |
| 175 | biological factors | 3 | 51 | 529 | 1135 |
| 177 | amino acids | 4 | 50 | 14 | 55 |
| 178 | Organometallic compounds | 3 | 48 | 426 | 582 |
| 178 | cell membrane | 4 | 48 | 31 | 99 |
| 180 | Gene expression regulation | 3 | 46 | 112 | 316 |
| 180 | Genetic regulation | 3 | 46 | 168 | 922 |
| 182 | Metallurgy | 1 | 45 | 776 | 540 |
| 183 | Biomass Energy | 2 | 44 | 241 | 442 |
| 183 | Neurophysiology | 2 | 44 | 647 | 1371 |
| 183 | Composite Materials | 3 | 44 | 250 | 572 |
| 186 | Histology | 2 | 42 | 562 | 1269 |
| 186 | Genetic disorders | 1 | 42 | 880 | 943 |
| 186 | Health | 1 | 42 | 1924 | 1828 |
| 186 | Metabolic diseases | 1 | 42 | 1455 | 1738 |
| 186 | scientific societies | 1 | 42 | 923 | 986 |
| 191 | Ophthalmology | 3 | 41 | 148 | 424 |
| 191 | Teaching | 2 | 41 | 460 | 480 |
| 193 | Environmental Engineering | 3 | 40 | 499 | 1126 |
| 194 | Solid State Physics | 5 | 38 | 405 | 829 |
| 194 | Alternative Medicine | 1 | 38 | 317 | 399 |
| 194 | Evidence-Based Medicine | 1 | 38 | 354 | 421 |
| 194 | complementary therapies | 1 | 38 | 365 | 430 |
| 198 | Microbial Biotechnology | 1 | 37 | 101 | 112 |
| 199 | Quantum Chemistry | 2 | 36 | 224 | 211 |
| 199 | Molecular Spectroscopy | 2 | 36 | 99 | 162 |
| 201 | Electrochemical Analysis | 3 | 35 | 234 | 454 |
| 201 | Immune system | 1 | 35 | 566 | 771 |
| 201 | Aging | 2 | 35 | 669 | 1043 |
| 204 | Urology | 2 | 34 | 458 | 814 |
| 205 | Antibodies | 4 | 33 | 21 | 92 |
| 205 | Antigens | 4 | 33 | 33 | 209 |
| 207 | Astronomy | 1 | 32 | 501 | 518 |
| 208 | Zoology | 1 | 30 | 1990 | 2011 |
| 208 | Metallography | 1 | 30 | 79 | 94 |
| 210 | Industrial Engineering | 2 | 29 | 124 | 277 |
| 210 | Semiconductors | 1 | 29 | 305 | 234 |
| 210 | Culture techniques | 1 | 29 | 227 | 291 |
| 213 | Catalysts | 2 | 28 | 44 | 120 |
| 214 | Recycling | 1 | 27 | 59 | 130 |
| 215 | Magnetic Materials | 2 | 26 | 594 | 1358 |
| 216 | Environmental Law | 1 | 25 | 244 | 314 |
| 216 | environmental protection | 1 | 25 | 1395 | 1943 |
| 216 | Environmental monitoring | 1 | 25 | 1151 | 1538 |
| 216 | Biogeochemistry | 1 | 25 | 110 | 186 |
| 216 | Lipids | 1 | 25 | 504 | 828 |
| 216 | mathematical analysis | 3 | 25 | 193 | 296 |
| 216 | drug evaluation | 2 | 25 | 306 | 601 |
| 223 | Marine Biology | 2 | 23 | 238 | 513 |
| 223 | Marine Ecology | 2 | 23 | 70 | 189 |
| 223 | Genomics | 3 | 23 | 448 | 1490 |
| 223 | Water pollution | 2 | 23 | 329 | 792 |
| 223 | ecosystem | 2 | 23 | 528 | 1565 |
| 228 | Nanoelectronics | 1 | 22 | 326 | 259 |
| 228 | Immunopharmacology | 1 | 22 | 117 | 209 |
| 228 | disabilities | 1 | 22 | 78 | 130 |
| 228 | cytokines | 1 | 22 | 263 | 457 |
| 228 | Semiconductor industry | 1 | 22 | 76 | 71 |
| 228 | Intellectual disability | 1 | 22 | 690 | 766 |
| 228 | Heterocyclic compounds | 2 | 22 | 402 | 442 |
| 235 | Developmental Biology | 1 | 21 | 1885 | 2661 |
| 236 | Geriatrics | 1 | 20 | 3500 | 4614 |
| 237 | Food additives | 2 | 18 | 89 | 240 |
| 237 | Chemical processes | 1 | 18 | 398 | 387 |
| 239 | Fishery management | 1 | 17 | 729 | 987 |
| 239 | nuclear magnetic resonance spectroscopy | 2 | 17 | 146 | 293 |
| 239 | Microorganisms | 1 | 17 | 185 | 324 |
| 239 | Aquaculture | 1 | 17 | 730 | 917 |
| 243 | Mathematics | 1 | 16 | 4872 | 3831 |
| 243 | Energy Policy | 1 | 16 | 369 | 722 |
| 243 | Agricultural Chemistry | 2 | 16 | 253 | 643 |
| 246 | Veterinary Immunology | 1 | 15 | 32 | 75 |
| 246 | Heterocyclic chemistry | 1 | 15 | 118 | 115 |
| 246 | Magnetic Resonance Spectroscopy | 2 | 15 | 626 | 1480 |
| 246 | NMR | 1 | 15 | 246 | 266 |
| 246 | magnetic resonance | 2 | 15 | 141 | 309 |
| 251 | Oligosaccharide | 1 | 14 | 35 | 107 |
| 251 | Carbohydrates | 1 | 14 | 49 | 130 |
| 253 | Pharmacy | 1 | 13 | 1222 | 1937 |
| 253 | Electronics | 1 | 13 | 1226 | 1118 |
| 253 | Food | 2 | 13 | 1500 | 4964 |
| 253 | Plastics | 1 | 13 | 1265 | 2004 |
| 253 | Zeolites | 1 | 13 | 84 | 164 |
| 253 | Vision | 1 | 13 | 75 | 181 |
| 253 | Biomass | 1 | 13 | 61 | 132 |
| 253 | drugs | 1 | 13 | 2020 | 3486 |
| 261 | Medical genetics | 1 | 12 | 5112 | 9513 |
| 261 | Organometallic chemistry | 2 | 12 | 1165 | 2283 |
| 261 | Brain | 1 | 12 | 789 | 1541 |
| 261 | Protein engineering | 1 | 12 | 22 | 64 |
| 261 | molecular design | 1 | 12 | 20 | 59 |
| 266 | Pathology | 2 | 11 | 1278 | 4761 |
| 266 | Computational Chemistry | 1 | 11 | 466 | 785 |
| 268 | Computer Graphics | 1 | 10 | 329 | 565 |
| 268 | Food Microbiology | 1 | 10 | 1279 | 2956 |
| 268 | food technology | 1 | 10 | 2958 | 5629 |
| 268 | Enzyme | 1 | 10 | 50 | 106 |
| 268 | Biodiversity | 1 | 10 | 2147 | 3348 |
| 268 | Digestive system diseases | 1 | 10 | 143 | 428 |
| 274 | Functional Analysis | 2 | 9 | 56 | 144 |
| 274 | sanitation | 1 | 9 | 258 | 603 |
| 274 | Nonlinear functional analysis | 2 | 9 | 47 | 141 |
| 274 | Biotransformation | 1 | 9 | 10 | 21 |
| 274 | Pollution | 2 | 9 | 2169 | 6980 |
| 279 | Nuclear Medicine | 1 | 8 | 117 | 290 |
| 279 | Animal Nutrition | 1 | 8 | 369 | 673 |
| 279 | Radiobiology | 1 | 8 | 523 | 728 |
| 279 | Radioisotopes | 1 | 8 | 359 | 584 |
| 279 | Nanotubes | 2 | 8 | 9 | 21 |
| 279 | extraterrestrial environment | 1 | 8 | 55 | 118 |
| 279 | astronomical phenomena | 1 | 8 | 46 | 106 |
| 286 | Petroleum Engineering | 1 | 7 | 80 | 174 |
| 286 | Environmental Microbiology | 1 | 7 | 1096 | 2684 |
| 286 | Clinical Laboratory Science | 1 | 7 | 26 | 78 |
| 286 | Clinical Biochemistry | 1 | 7 | 192 | 451 |
| 286 | Image Processing | 1 | 7 | 667 | 1260 |
| 286 | soil microbiology | 1 | 7 | 207 | 458 |
| 286 | Nervous system | 1 | 7 | 1345 | 3366 |
| 286 | Chemical industry | 1 | 7 | 892 | 1814 |
| 294 | Immunopathology | 1 | 6 | 483 | 1832 |
| 294 | Immunochemistry | 1 | 6 | 141 | 345 |
| 294 | Condensed Matter | 2 | 6 | 342 | 774 |
| 297 | Data Mining | 1 | 5 | 285 | 825 |
| 297 | Optics | 2 | 5 | 1053 | 2062 |
| 297 | Histochemistry | 1 | 5 | 257 | 638 |
| 297 | Electrophysiology | 1 | 5 | 373 | 1000 |
| 297 | Electromagnetic fields | 1 | 5 | 30 | 58 |
| 297 | cell physiology | 1 | 5 | 1675 | 4473 |
| 303 | Geophysics | 1 | 4 | 4653 | 8793 |
| 303 | Marine Geology | 1 | 4 | 28 | 74 |
| 303 | Petroleum Geology | 1 | 4 | 45 | 114 |
| 303 | Geochemistry | 1 | 4 | 981 | 2226 |
| 303 | drug resistance | 1 | 4 | 97 | 208 |
| 303 | radiative transfer | 1 | 4 | 41 | 92 |
| 303 | Radiation | 1 | 4 | 277 | 619 |
| 303 | Cytoskeleton | 1 | 4 | 133 | 454 |
| 303 | Visual Perception | 1 | 4 | 4053 | 7608 |
| 303 | Microscopy | 1 | 4 | 832 | 2030 |
| 303 | Memory | 1 | 4 | 4074 | 7656 |
| 303 | Attention | 1 | 4 | 4061 | 7642 |
| 303 | Perception | 1 | 4 | 4071 | 7630 |
| 316 | Inflammation | 1 | 3 | 255 | 731 |
| 316 | Structure-activity relationship | 1 | 3 | 40 | 121 |
| 318 | Nuclear Chemistry | 1 | 2 | 358 | 594 |
| 318 | Radiochemistry | 1 | 2 | 101 | 211 |
| 318 | nuclear magnetic resonance | 2 | 2 | 531 | 2075 |
| 318 | Luminescence | 1 | 2 | 600 | 1341 |
| 318 | Soviet Union | 2 | 2 | 88 | 224 |
| 323 | Ceramic materials | 1 | 1 | 698 | 1777 |
| 323 | mass transfer | 1 | 1 | 338 | 725 |
| 323 | starch | 1 | 1 | 313 | 896 |
| 323 | exobiology | 1 | 1 | 33 | 79 |
| 327 | Soil Science | 1 | 0 | 620 | 1862 |
| 327 | Magnetic Resonance Imaging | 1 | 0 | 111 | 475 |
| 327 | Crystallization | 1 | 0 | 47 | 125 |
| 327 | Bioremediation | 1 | 0 | 237 | 1044 |
| 327 | Water quality | 1 | 0 | 204 | 934 |
| 327 | Freeze-Drying | 1 | 0 | 43 | 119 |
| 327 | Hypothermia | 1 | 0 | 43 | 119 |
| 327 | Freeze Drying | 1 | 0 | 43 | 119 |
| 327 | Water chemistry | 1 | 0 | 211 | 961 |
| 327 | venom | 1 | 0 | 103 | 247 |
| 327 | Toxins | 1 | 0 | 111 | 268 |
