| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Astrophysics | 998 | 91,517 | 111 | 70 |
| 2 | Nuclear Physics | 3,390 | 89,215 | 22 | 41 |
| 3 | Astronomy | 785 | 75,287 | 186 | 89 |
| 4 | Physics | 2,558 | 73,028 | 130 | 415 |
| 5 | Quantum Gravity | 1,343 | 45,124 | 19 | 34 |
| 6 | Statistical physics | 699 | 17,157 | 65 | 100 |
| 7 | Spectrum analysis | 259 | 16,429 | 236 | 174 |
| 8 | Science | 217 | 13,175 | 1.5K | 1.6K |
| 9 | Mathematical Physics | 600 | 10,681 | 21 | 82 |
| 10 | Condensed Matter | 342 | 9,799 | 354 | 379 |
| 11 | Solid State Physics | 347 | 9,562 | 361 | 366 |
| 12 | Nonlinear Dynamics | 281 | 7,118 | 71 | 103 |
| 13 | Biology | 85 | 5,778 | 2.7K | 2.5K |
| 14 | Cosmology | 139 | 4,669 | 19 | 11 |
| 15 | Natural history | 42 | 3,647 | 1.2K | 2.2K |
| 16 | Biophysics | 187 | 3,428 | 739 | 949 |
| 17 | Chemistry | 108 | 3,152 | 2.4K | 2.6K |
| 18 | Nuclear Engineering | 221 | 3,083 | 71 | 72 |
| 19 | Optics | 176 | 2,328 | 500 | 655 |
| 20 | Medical Physics | 117 | 2,299 | 188 | 290 |
| 21 | Nanotechnology | 34 | 1,704 | 2.0K | 1.6K |
| 22 | Molecular Biology | 74 | 1,633 | 2.4K | 3.3K |
| 23 | Geophysics | 50 | 1,626 | 1.0K | 1.0K |
| 24 | Medicine | 65 | 1,565 | 3.5K | 4.4K |
| 25 | Radiochemistry | 74 | 1,287 | 103 | 75 |
| 26 | Diagnostic Imaging | 22 | 1,205 | 796 | 466 |
| 27 | Quantum theory | 77 | 1,183 | 29 | 70 |
| 27 | Research | 54 | 1,183 | 3.1K | 3.6K |
| 29 | Superconductors | 109 | 1,163 | 77 | 101 |
| 30 | Biochemistry | 77 | 1,152 | 2.7K | 3.6K |
| 31 | Nuclear Chemistry | 51 | 1,118 | 123 | 73 |
| 32 | Radiobiology | 47 | 1,103 | 473 | 463 |
| 33 | Particle Physics | 46 | 1,089 | 29 | 20 |
| 34 | Image Processing | 9 | 973 | 1.3K | 541 |
| 35 | Radiation | 80 | 932 | 105 | 306 |
| 36 | Computer Vision | 3 | 917 | 994 | 286 |
| 37 | Entropy | 73 | 897 | 28 | 33 |
| 38 | Dynamics | 66 | 873 | 113 | 195 |
| 39 | Molecules | 54 | 819 | 235 | 375 |
| 40 | Cell Biology | 17 | 817 | 2.6K | 2.7K |
| 41 | Atmospheric Physics | 14 | 756 | 795 | 647 |
| 42 | Nuclear Energy | 20 | 737 | 333 | 140 |
| 43 | Mathematics | 97 | 735 | 1.3K | 1.3K |
| 44 | Quantum Mechanics | 30 | 671 | 23 | 10 |
| 45 | Atmospheric Chemistry | 13 | 642 | 543 | 567 |
| 46 | Materials | 25 | 623 | 2.6K | 2.8K |
| 47 | Radioisotopes | 51 | 594 | 83 | 111 |
| 48 | nuclear astrophysics | 12 | 583 | 27 | 30 |
| 49 | Computational Biology | 23 | 581 | 1.2K | 1.4K |
| 50 | Radiology | 22 | 563 | 501 | 340 |
| 51 | Elementary particles | 4 | 545 | 7 | 9 |
| 52 | Biotechnology | 10 | 543 | 4.7K | 3.8K |
| 53 | Statistical Mechanics | 24 | 538 | 214 | 141 |
| 54 | Materials Science | 29 | 512 | 2.0K | 2.5K |
| 55 | Photonics | 18 | 497 | 886 | 1.0K |
| 56 | Information Theory | 22 | 486 | 438 | 509 |
| 57 | Nanostructures | 6 | 482 | 1.7K | 1.1K |
| 58 | Medical Oncology | 14 | 457 | 1.2K | 1.2K |
| 59 | Bioengineering | 6 | 448 | 3.9K | 3.0K |
| 60 | Nanostructured Materials | 21 | 447 | 1.6K | 1.8K |
| 61 | Radiation Protection | 48 | 444 | 42 | 63 |
| 61 | radiation monitoring | 48 | 444 | 37 | 55 |
| 63 | Microelectronics | 7 | 443 | 1.4K | 1.1K |
| 64 | Radiation dosimetry | 46 | 431 | 31 | 38 |
| 65 | miniaturization | 4 | 425 | 2.1K | 1.4K |
| 66 | Engineering | 23 | 413 | 1.5K | 1.4K |
| 67 | Geometry | 47 | 397 | 148 | 183 |
| 68 | Neurology | 13 | 395 | 3.7K | 3.9K |
| 69 | Chemical Engineering | 5 | 381 | 3.7K | 2.4K |
| 70 | Medical Technology | 4 | 375 | 2.0K | 706 |
| 71 | particle beams | 17 | 366 | 101 | 78 |
| 72 | particle accelerators | 16 | 363 | 44 | 41 |
| 73 | Catalysis | 13 | 360 | 2.0K | 2.1K |
| 74 | Medical innovations | 2 | 358 | 1.6K | 1.1K |
| 75 | Pollution | 10 | 338 | 3.7K | 3.9K |
| 76 | Genetics | 9 | 334 | 3.1K | 3.5K |
| 77 | Technology | 7 | 319 | 3.3K | 2.0K |
| 78 | atmospheric models | 4 | 298 | 682 | 483 |
| 79 | Space telescopes | 9 | 295 | 74 | 40 |
| 80 | Neurophysiology | 8 | 281 | 2.2K | 2.2K |
| 81 | Nuclear Medicine | 20 | 279 | 382 | 633 |
| 82 | Photography | 53 | 266 | 274 | 185 |
| 83 | Pharmaceutical Chemistry | 10 | 262 | 2.9K | 3.0K |
| 84 | Biomedical Engineering | 23 | 260 | 2.1K | 3.4K |
| 85 | Europe | 25 | 255 | 1.3K | 1.8K |
| 86 | Physiology | 11 | 248 | 3.0K | 3.4K |
| 87 | lasers | 20 | 245 | 798 | 951 |
| 88 | radiocarbon dating | 14 | 244 | 130 | 165 |
| 89 | Atomic spectroscopy | 17 | 239 | 327 | 446 |
| 90 | Physical Chemistry | 16 | 236 | 1.3K | 1.8K |
| 90 | Nervous system | 11 | 236 | 1.6K | 2.3K |
| 92 | Molecular Imaging | 9 | 230 | 489 | 638 |
| 93 | Psychiatry | 4 | 227 | 5.2K | 3.8K |
| 94 | Environmental Health | 8 | 225 | 4.3K | 4.6K |
| 95 | cell physiology | 9 | 213 | 1.2K | 1.7K |
| 96 | Mental Disorders | 3 | 212 | 4.4K | 3.0K |
| 97 | mathematical analysis | 20 | 205 | 884 | 765 |
| 98 | Planetary Science | 13 | 203 | 254 | 297 |
| 98 | Bioinformatics | 11 | 203 | 1.5K | 1.9K |
| 100 | Cell differentiation | 5 | 199 | 1.9K | 2.1K |
| 101 | Meteorites | 9 | 195 | 357 | 439 |
| 102 | environmental pollution | 8 | 194 | 3.2K | 3.6K |
| 103 | Optical materials | 5 | 192 | 2.2K | 2.1K |
| 104 | X-rays | 4 | 191 | 693 | 286 |
| 105 | gene mapping | 3 | 183 | 2.7K | 2.2K |
| 106 | Analytical Chemistry | 14 | 182 | 2.8K | 3.7K |
| 107 | Quantum Optics | 13 | 176 | 380 | 504 |
| 107 | genome | 7 | 176 | 1.4K | 2.1K |
| 109 | Neural circuitry | 8 | 174 | 917 | 1.1K |
| 109 | DNA polymerases | 1 | 174 | 1.0K | 843 |
| 111 | Oceanography | 5 | 165 | 1.5K | 1.3K |
| 112 | Cell division | 2 | 164 | 999 | 509 |
| 112 | Stem cells | 2 | 164 | 2.5K | 1.8K |
| 112 | Planets | 10 | 164 | 1.2K | 1.7K |
| 115 | Electronics | 7 | 159 | 3.1K | 2.6K |
| 116 | Human genetics | 1 | 154 | 4.2K | 4.0K |
| 117 | Laser Spectroscopy | 10 | 151 | 437 | 505 |
| 118 | Mineralogy | 10 | 149 | 869 | 1.1K |
| 118 | Electrophysiology | 7 | 149 | 947 | 961 |
| 120 | Genetic algorithms | 1 | 148 | 602 | 396 |
| 120 | Superconductivity | 9 | 148 | 142 | 178 |
| 120 | Evolutionary Computation | 1 | 148 | 764 | 436 |
| 123 | Geographic information systems | 1 | 147 | 2.2K | 567 |
| 123 | X-ray spectroscopy | 13 | 147 | 62 | 92 |
| 125 | Pharmacology | 5 | 144 | 5.3K | 5.0K |
| 125 | Environmental Engineering | 2 | 144 | 5.5K | 3.8K |
| 125 | sanitation | 2 | 144 | 2.5K | 2.3K |
| 128 | Artificial Intelligence | 9 | 140 | 2.6K | 2.9K |
| 128 | cryosphere | 5 | 140 | 329 | 357 |
| 130 | Pharmaceutical Technology | 4 | 135 | 1.6K | 1.4K |
| 131 | Ecology | 9 | 131 | 4.7K | 6.8K |
| 131 | Geochemistry | 9 | 131 | 972 | 1.2K |
| 131 | Cancer | 6 | 131 | 3.6K | 4.1K |
| 134 | Natural Sciences | 12 | 129 | 34 | 34 |
| 135 | Bifurcation Theory | 2 | 128 | 821 | 311 |
| 136 | Environmental monitoring | 8 | 127 | 2.7K | 3.9K |
| 136 | Colloids | 4 | 127 | 3.3K | 3.4K |
| 138 | Alzheimer's disease | 6 | 121 | 1.5K | 1.2K |
| 138 | Cerebral cortex | 5 | 121 | 897 | 1.1K |
| 140 | Surface Chemistry | 9 | 112 | 2.3K | 3.3K |
| 141 | microwave communication systems | 3 | 109 | 556 | 387 |
| 141 | Microwave devices | 4 | 109 | 529 | 420 |
| 143 | Technological Innovations | 1 | 103 | 2.0K | 659 |
| 144 | pharmaceutical industry | 3 | 101 | 671 | 458 |
| 145 | Renewable Energy Sources | 1 | 100 | 3.4K | 2.5K |
| 146 | Dementia | 5 | 98 | 1.6K | 1.2K |
| 147 | Molecular structure | 6 | 96 | 1.8K | 2.3K |
| 148 | Quantum electronics | 7 | 93 | 1.3K | 1.4K |
| 148 | brain mapping | 3 | 93 | 938 | 1.0K |
| 150 | pollutants | 8 | 92 | 1.2K | 2.3K |
| 150 | Environmental pollutants | 8 | 92 | 1.5K | 2.6K |
| 150 | Psychophysiology | 5 | 92 | 2.6K | 3.3K |
| 153 | Evolution | 5 | 88 | 1.9K | 2.6K |
| 154 | Microscopy | 8 | 87 | 1.4K | 1.5K |
| 155 | amino acids | 3 | 85 | 749 | 809 |
| 156 | Electromagnetism | 2 | 84 | 1.4K | 932 |
| 156 | biological evolution | 4 | 84 | 2.2K | 2.9K |
| 158 | Light | 3 | 82 | 1.3K | 1.6K |
| 159 | Molecular evolution | 3 | 81 | 1.8K | 2.1K |
| 159 | Electromagnetic fields | 4 | 81 | 286 | 90 |
| 161 | Radio waves | 3 | 80 | 1.0K | 989 |
| 162 | Neurobiology | 3 | 78 | 2.1K | 2.5K |
| 163 | finance | 4 | 77 | 2.0K | 1.8K |
| 163 | Autism | 1 | 77 | 1.3K | 981 |
| 165 | Petrology | 3 | 76 | 875 | 940 |
| 166 | Polymers | 4 | 75 | 4.7K | 4.8K |
| 166 | Crystallography | 7 | 75 | 1.5K | 1.3K |
| 166 | Radio | 2 | 75 | 2.2K | 1.7K |
| 169 | Bioinorganic chemistry | 3 | 73 | 1.6K | 1.6K |
| 170 | Boundary Value Problems | 2 | 72 | 1.0K | 650 |
| 170 | Antenna Arrays | 1 | 72 | 969 | 580 |
| 170 | Wireless Communication Systems | 1 | 72 | 3.7K | 2.2K |
| 173 | Metallurgy | 6 | 71 | 1.9K | 2.1K |
| 173 | Quantum Communication | 1 | 71 | 425 | 277 |
| 173 | Smart Materials | 1 | 71 | 1.4K | 764 |
| 173 | Intelligent Control Systems | 1 | 71 | 2.3K | 784 |
| 177 | Hydrogeology | 1 | 70 | 1.4K | 739 |
| 177 | Radiation Oncology | 4 | 70 | 421 | 560 |
| 177 | Quantum Computing | 5 | 70 | 137 | 184 |
| 177 | Biocompatible Materials | 5 | 70 | 3.6K | 5.1K |
| 181 | Medical Laboratory Science | 4 | 69 | 2.4K | 3.3K |
| 182 | Electrical Engineering | 6 | 68 | 3.2K | 2.7K |
| 182 | Raman spectroscopy | 2 | 68 | 1.0K | 872 |
| 182 | Behavior | 3 | 68 | 3.7K | 4.3K |
| 185 | Synchrotron Radiation | 10 | 66 | 192 | 461 |
| 185 | nucleic acids | 1 | 66 | 3.4K | 3.0K |
| 187 | Oncology | 1 | 65 | 4.4K | 3.9K |
| 187 | Clinical Chemistry | 1 | 65 | 4.9K | 4.0K |
| 187 | Aerosols | 3 | 65 | 418 | 495 |
| 190 | Virology | 1 | 63 | 5.7K | 5.0K |
| 190 | viruses | 1 | 63 | 2.9K | 2.7K |
| 190 | Microwaves | 14 | 63 | 770 | 1.4K |
| 190 | Aging | 3 | 63 | 3.7K | 3.5K |
| 190 | Radiation effects | 2 | 63 | 345 | 368 |
| 195 | Computer Engineering | 1 | 62 | 1.4K | 575 |
| 195 | Cosmochemistry | 5 | 62 | 341 | 505 |
| 195 | Brain | 5 | 62 | 2.3K | 3.2K |
| 198 | Meteorology | 4 | 60 | 2.4K | 3.3K |
| 198 | Obesity | 1 | 60 | 4.0K | 3.3K |
| 198 | aerosol | 2 | 60 | 141 | 123 |
| 201 | Magnetic Resonance Spectroscopy | 9 | 59 | 764 | 1.3K |
| 202 | Systems Engineering | 6 | 58 | 1.8K | 2.3K |
| 202 | probabilities | 7 | 58 | 963 | 1.0K |
| 202 | extraterrestrial environment | 1 | 58 | 642 | 345 |
| 205 | Organic Chemistry | 2 | 57 | 4.1K | 3.7K |
| 205 | indoor air pollution | 3 | 57 | 487 | 628 |
| 205 | environmental exposure | 3 | 57 | 2.4K | 2.8K |
| 205 | Ventilation | 3 | 57 | 651 | 731 |
| 205 | Sick building syndrome | 3 | 57 | 487 | 628 |
| 210 | Photochemistry | 4 | 56 | 1.6K | 2.1K |
| 210 | Photobiology | 4 | 56 | 944 | 1.3K |
| 210 | protein | 3 | 56 | 1.6K | 1.8K |
| 210 | proteins | 3 | 56 | 2.8K | 3.2K |
| 214 | Neuropsychology | 3 | 55 | 2.7K | 3.1K |
| 214 | Bioorganic chemistry | 2 | 55 | 3.5K | 3.5K |
| 216 | Hippocampus | 1 | 54 | 709 | 682 |
| 217 | nanoscience | 5 | 53 | 2.9K | 4.2K |
| 218 | Quantum Chemistry | 5 | 52 | 815 | 906 |
| 218 | Liquid Crystals | 9 | 52 | 617 | 837 |
| 218 | nuclear magnetic resonance | 8 | 52 | 742 | 1.3K |
| 221 | Fluid Mechanics | 3 | 50 | 2.3K | 2.2K |
| 221 | Pediatric Neurology | 1 | 50 | 2.2K | 2.4K |
| 221 | Animal Behavior | 2 | 50 | 2.4K | 2.8K |
| 221 | Ethology | 2 | 50 | 1.8K | 2.2K |
| 221 | human behavior | 2 | 50 | 3.2K | 3.7K |
| 221 | space environment | 3 | 50 | 301 | 337 |
| 221 | plasma | 8 | 50 | 31 | 110 |
| 228 | Cytology | 3 | 49 | 5.2K | 6.5K |
| 228 | Genetic Toxicology | 2 | 49 | 568 | 808 |
| 228 | Radiopharmaceuticals | 6 | 49 | 321 | 345 |
| 228 | Peroxisomes | 1 | 49 | 276 | 206 |
| 228 | biological monitoring | 1 | 49 | 1.2K | 943 |
| 233 | Ophthalmology | 2 | 48 | 2.5K | 2.5K |
| 233 | Archaeology | 10 | 48 | 756 | 1.3K |
| 235 | Climatology | 3 | 46 | 2.1K | 2.6K |
| 235 | Molecular recognition | 4 | 46 | 187 | 414 |
| 235 | Bacteriology | 1 | 46 | 3.2K | 3.0K |
| 235 | Imaging systems | 2 | 46 | 953 | 500 |
| 239 | energy conservation | 1 | 45 | 3.1K | 2.6K |
| 239 | polymerization | 2 | 45 | 5.0K | 4.6K |
| 241 | Social Change | 2 | 44 | 888 | 1.2K |
| 241 | Carbon | 2 | 44 | 1.1K | 1.5K |
| 241 | biomedicine | 3 | 44 | 1.2K | 1.6K |
| 244 | Energy Conversion | 2 | 43 | 1.6K | 2.0K |
| 244 | Engineering Mathematics | 2 | 43 | 3.7K | 2.7K |
| 244 | Trace elements | 2 | 43 | 463 | 659 |
| 247 | Environmental Chemistry | 1 | 42 | 4.3K | 3.7K |
| 247 | Cell death | 3 | 42 | 1.6K | 2.5K |
| 249 | Economics | 3 | 41 | 4.6K | 4.1K |
| 249 | Environmental Geology | 3 | 41 | 1.6K | 2.0K |
| 249 | Optical Communications | 3 | 41 | 1.0K | 949 |
| 249 | Mass Spectrometry | 2 | 41 | 1.9K | 2.0K |
| 253 | Neurochemistry | 3 | 40 | 2.8K | 3.8K |
| 254 | Geology | 4 | 38 | 3.0K | 3.5K |
| 254 | Nanochemistry | 3 | 38 | 1.4K | 1.7K |
| 254 | Vision | 1 | 38 | 1.1K | 1.0K |
| 254 | Earth Sciences | 2 | 38 | 4.1K | 3.8K |
| 258 | Environmental Policy | 4 | 37 | 3.0K | 5.2K |
| 258 | Engineering Geology | 2 | 37 | 1.7K | 1.8K |
| 260 | Minerals | 3 | 36 | 851 | 1.2K |
| 261 | Educational Psychology | 2 | 35 | 1.8K | 1.8K |
| 261 | Nanophotonics | 2 | 35 | 492 | 636 |
| 261 | Soft Condensed Matter | 2 | 35 | 1.6K | 1.8K |
| 261 | Gene expression regulation | 2 | 35 | 1.6K | 1.9K |
| 261 | DNA methylation | 2 | 35 | 508 | 861 |
| 261 | Detectors | 5 | 35 | 1.3K | 2.1K |
| 267 | Pharmacy | 1 | 34 | 4.0K | 3.6K |
| 267 | Hematology | 5 | 34 | 3.7K | 4.8K |
| 267 | Radiography | 3 | 34 | 1.1K | 1.7K |
| 267 | Pharmacokinetics | 1 | 34 | 1.9K | 1.6K |
| 267 | mutation | 1 | 34 | 972 | 1.0K |
| 267 | Mental illness | 1 | 34 | 4.3K | 4.0K |
| 267 | drugs | 1 | 34 | 3.9K | 3.3K |
| 274 | Signal Processing | 3 | 33 | 2.7K | 3.4K |
| 275 | Rock Mechanics | 1 | 32 | 1.3K | 1.1K |
| 275 | Seismology | 2 | 32 | 797 | 821 |
| 277 | Epidemiology | 2 | 31 | 6.1K | 6.9K |
| 277 | Marine Biology | 1 | 31 | 4.0K | 3.8K |
| 277 | Public Health | 2 | 31 | 9.0K | 9.5K |
| 277 | Global Health | 2 | 31 | 1.8K | 1.7K |
| 277 | Water pollution | 1 | 31 | 4.3K | 4.1K |
| 277 | Marine Pollution | 1 | 31 | 1.8K | 2.0K |
| 277 | Volcanoes | 2 | 31 | 416 | 573 |
| 284 | Solitons | 5 | 30 | 211 | 826 |
| 284 | Fractals | 5 | 30 | 406 | 1.1K |
| 284 | Chaos | 5 | 30 | 211 | 826 |
| 284 | Plasma devices | 1 | 30 | 419 | 382 |
| 288 | Diffraction | 1 | 29 | 530 | 209 |
| 288 | Powder Metallurgy | 1 | 29 | 1.0K | 410 |
| 288 | Earthquakes | 3 | 29 | 457 | 615 |
| 288 | Metals | 5 | 29 | 1.7K | 2.6K |
| 292 | cosmic rays | 2 | 28 | 170 | 180 |
| 293 | Fiber Optics | 3 | 27 | 961 | 1.4K |
| 293 | China | 6 | 27 | 2.3K | 4.2K |
| 295 | Toxicology | 2 | 26 | 6.4K | 7.8K |
| 295 | Computational Chemistry | 3 | 26 | 862 | 1.4K |
| 295 | Graph Theory | 1 | 26 | 1.4K | 757 |
| 295 | Enzyme inhibitors | 2 | 26 | 618 | 875 |
| 299 | Pharmacogenetics | 1 | 25 | 2.3K | 2.5K |
| 299 | Oxidative stress | 1 | 25 | 2.4K | 2.8K |
| 299 | Cellular senescence | 1 | 25 | 1.7K | 2.0K |
| 299 | Plastics | 1 | 25 | 3.1K | 2.6K |
| 299 | Therapeutics | 1 | 25 | 3.9K | 4.2K |
| 299 | Genetic therapy | 1 | 25 | 2.6K | 2.9K |
| 299 | United States | 2 | 25 | 8.6K | 8.8K |
| 306 | Agricultural Ecology | 1 | 24 | 2.4K | 2.7K |
| 306 | Stochastic Processes | 4 | 24 | 881 | 1.4K |
| 306 | Environment | 3 | 24 | 5.9K | 9.7K |
| 306 | Agriculture | 1 | 24 | 4.3K | 3.7K |
| 310 | Algorithms | 7 | 23 | 366 | 1.0K |
| 310 | Psychopharmacology | 1 | 23 | 3.2K | 3.2K |
| 310 | Computer-Aided Design | 2 | 23 | 1.5K | 1.9K |
| 310 | Nonlinear Optics | 1 | 23 | 477 | 324 |
| 314 | Solar power plants | 1 | 22 | 499 | 637 |
| 314 | Rheology | 1 | 22 | 1.3K | 1.2K |
| 314 | Photovoltaic Cells | 1 | 22 | 503 | 638 |
| 314 | solar cells | 1 | 22 | 1.0K | 1.3K |
| 314 | Primates | 2 | 22 | 1.2K | 1.5K |
| 319 | Symplectic Geometry | 2 | 21 | 84 | 41 |
| 319 | Chemical analysis | 2 | 21 | 1.9K | 2.6K |
| 321 | Paleoclimatology | 2 | 20 | 967 | 1.4K |
| 321 | Diagnosis | 2 | 20 | 1.1K | 1.4K |
| 321 | Electrochemistry | 1 | 20 | 5.1K | 4.7K |
| 321 | Mutagenesis | 1 | 20 | 1.1K | 1.2K |
| 321 | Food | 1 | 20 | 5.5K | 5.8K |
| 321 | exobiology | 1 | 20 | 780 | 900 |
| 321 | mutagens | 1 | 20 | 1.8K | 2.3K |
| 321 | Membranes | 2 | 20 | 1.8K | 2.8K |
| 329 | Sleep Disorders | 1 | 19 | 3.1K | 3.1K |
| 329 | biopolymers | 1 | 19 | 2.3K | 2.5K |
| 329 | Sleep | 1 | 19 | 3.1K | 3.1K |
| 332 | Microbiology | 1 | 18 | 10.7K | 11.5K |
| 332 | Emergency Medical Services | 1 | 18 | 2.2K | 2.0K |
| 332 | Ceramics | 1 | 18 | 2.9K | 2.7K |
| 332 | Signal Transduction | 1 | 18 | 2.7K | 3.2K |
| 332 | Industrial Microbiology | 1 | 18 | 3.8K | 4.4K |
| 332 | Emergency Medicine | 1 | 18 | 3.3K | 3.0K |
| 332 | Antioxidants | 1 | 18 | 1.7K | 2.2K |
| 332 | Oxidation-reduction | 1 | 18 | 1.5K | 2.2K |
| 340 | Computer Science | 3 | 17 | 2.5K | 3.4K |
| 340 | air quality management | 1 | 17 | 854 | 1.2K |
| 340 | Environmental Management | 2 | 17 | 3.5K | 5.5K |
| 343 | Proteomics | 1 | 16 | 2.3K | 2.9K |
| 343 | Numerical Analysis | 4 | 16 | 2.3K | 3.3K |
| 343 | Nuclear Fusion | 4 | 16 | 399 | 751 |
| 343 | Industrial Ecology | 1 | 16 | 416 | 648 |
| 343 | Electrophoresis | 1 | 16 | 3.2K | 3.6K |
| 343 | Alternative Medicine | 1 | 16 | 3.8K | 4.2K |
| 343 | micromechanics | 1 | 16 | 1.0K | 1.2K |
| 343 | complementary therapies | 1 | 16 | 4.2K | 4.4K |
| 343 | Chromatography | 1 | 16 | 3.1K | 3.4K |
| 343 | Chromatographic analysis | 1 | 16 | 3.6K | 3.7K |
| 353 | Ceramic materials | 1 | 15 | 2.0K | 2.1K |
| 353 | Molecular Spectroscopy | 1 | 15 | 2.6K | 3.1K |
| 353 | System analysis | 1 | 15 | 4.4K | 4.3K |
| 353 | Chromosomes | 1 | 15 | 1.6K | 2.1K |
| 353 | Nanotubes | 1 | 15 | 489 | 428 |
| 358 | Quality Control | 1 | 14 | 3.2K | 3.4K |
| 358 | Accreditation | 1 | 14 | 263 | 202 |
| 358 | United Kingdom | 2 | 14 | 2.5K | 3.6K |
| 358 | Informatics | 1 | 14 | 1.8K | 2.1K |
| 358 | magnetic resonance | 2 | 14 | 902 | 1.2K |
| 363 | Probability | 1 | 13 | 1.5K | 1.7K |
| 363 | Health Physics | 2 | 13 | 283 | 399 |
| 363 | Health | 1 | 13 | 5.0K | 5.6K |
| 363 | actuators | 3 | 13 | 1.5K | 3.0K |
| 363 | Sun | 1 | 13 | 741 | 812 |
| 363 | transducers | 3 | 13 | 1.5K | 3.0K |
| 363 | Solar System | 1 | 13 | 1.0K | 1.2K |
| 370 | Geography | 4 | 12 | 2.3K | 4.2K |
| 370 | Neuropsychiatry | 1 | 12 | 2.1K | 2.4K |
| 370 | Econometrics | 1 | 12 | 2.4K | 2.3K |
| 370 | Operator theory | 1 | 12 | 874 | 678 |
| 370 | Magnetic Materials | 1 | 12 | 2.6K | 2.7K |
| 375 | Automation | 4 | 11 | 2.1K | 3.8K |
| 375 | Microfluidics | 1 | 11 | 594 | 860 |
| 375 | management | 1 | 11 | 5.3K | 5.4K |
| 375 | innovation | 1 | 11 | 1.1K | 1.5K |
| 375 | research and development | 1 | 11 | 851 | 1.1K |
| 375 | Maps | 1 | 11 | 401 | 465 |
| 375 | international cooperation | 1 | 11 | 1.4K | 1.6K |
| 382 | Data Mining | 5 | 10 | 1.4K | 4.0K |
| 382 | Human Geography | 1 | 10 | 1.9K | 2.0K |
| 382 | tomography | 2 | 10 | 695 | 1.0K |
| 385 | Molecular Pharmacology | 1 | 9 | 1.8K | 2.6K |
| 385 | Genomics | 2 | 9 | 4.9K | 7.4K |
| 385 | Chromosome mapping | 2 | 9 | 2.9K | 4.8K |
| 388 | Telecommunication Systems | 1 | 8 | 2.7K | 2.8K |
| 388 | Systems Biology | 1 | 8 | 3.4K | 4.3K |
| 388 | Aerodynamics | 2 | 8 | 283 | 327 |
| 388 | mass transfer | 1 | 8 | 1.8K | 2.3K |
| 388 | optical instruments | 1 | 8 | 823 | 1.0K |
| 388 | Moon | 4 | 8 | 191 | 490 |
| 388 | Crystal growth | 3 | 8 | 1.3K | 2.4K |
| 388 | computer networks | 1 | 8 | 3.9K | 4.2K |
| 396 | Manufacturing Processes | 3 | 7 | 2.4K | 4.2K |
| 396 | Production Engineering | 3 | 7 | 2.2K | 3.9K |
| 396 | Nanoelectronics | 1 | 7 | 1.1K | 1.3K |
| 396 | Origin of life | 1 | 7 | 363 | 553 |
| 396 | Celestial Mechanics | 1 | 7 | 402 | 499 |
| 396 | nuclear magnetic resonance spectroscopy | 1 | 7 | 1.5K | 1.8K |
| 396 | data collection | 4 | 7 | 1.1K | 3.1K |
| 396 | coal | 1 | 7 | 1.3K | 2.1K |
| 396 | NMR | 1 | 7 | 1.1K | 1.4K |
| 396 | Organelle biogenesis | 1 | 7 | 522 | 770 |
| 396 | Fuzzy systems | 2 | 7 | 2.3K | 3.3K |
| 396 | Isotopes | 1 | 7 | 327 | 519 |
| 408 | Software Engineering | 1 | 6 | 2.0K | 2.3K |
| 408 | Functional Analysis | 2 | 6 | 967 | 1.4K |
| 408 | Cybernetics | 1 | 6 | 2.9K | 3.7K |
| 408 | Information Systems | 2 | 6 | 2.1K | 3.8K |
| 408 | Geodesy | 1 | 6 | 1.2K | 1.5K |
| 408 | Paleopathology | 1 | 6 | 655 | 862 |
| 408 | Telecommunication | 3 | 6 | 2.9K | 4.7K |
| 415 | Database Management | 1 | 5 | 1.2K | 1.7K |
| 415 | Physical organic chemistry | 1 | 5 | 2.5K | 3.3K |
| 415 | Plasma chemistry | 1 | 5 | 855 | 1.3K |
| 415 | Green Technology | 1 | 5 | 992 | 1.5K |
| 415 | Expert Systems | 1 | 5 | 578 | 912 |
| 415 | Plasma polymerization | 1 | 5 | 599 | 970 |
| 415 | Radiometry | 1 | 5 | 303 | 220 |
| 422 | Embedded Systems | 1 | 4 | 393 | 586 |
| 422 | Fluid Dynamics | 2 | 4 | 1.4K | 2.4K |
| 422 | Thin Films | 2 | 4 | 945 | 1.8K |
| 422 | Drug design | 1 | 4 | 3.5K | 4.6K |
| 422 | Earthquake prediction | 1 | 4 | 125 | 172 |
| 422 | Adaptive control systems | 1 | 4 | 1.2K | 1.7K |
| 422 | visualization | 2 | 4 | 2.7K | 3.5K |
| 422 | Mechanics | 2 | 4 | 1.8K | 3.0K |
| 422 | biological factors | 1 | 4 | 3.9K | 5.3K |
| 422 | Soviet Union | 1 | 4 | 1.7K | 1.9K |
| 422 | Decision making | 1 | 4 | 3.3K | 4.5K |
| 422 | Entomology | 1 | 4 | 4.2K | 5.0K |
| 434 | Anatomy | 2 | 3 | 3.0K | 5.1K |
| 434 | Mechatronics | 1 | 3 | 1.5K | 2.2K |
| 434 | Structural dynamics | 1 | 3 | 1.4K | 2.1K |
| 434 | Financial Engineering | 1 | 3 | 515 | 888 |
| 434 | Electromagnetic waves | 1 | 3 | 636 | 926 |
| 434 | Radio wave propagation | 2 | 3 | 1.3K | 2.3K |
| 434 | Optoelectronic devices | 1 | 3 | 1.9K | 2.3K |
| 434 | nuclear power | 1 | 3 | 697 | 811 |
| 434 | Cheminformatics | 1 | 3 | 836 | 1.4K |
| 443 | Cryptography | 2 | 2 | 966 | 1.7K |
| 443 | Digital electronics | 1 | 2 | 486 | 780 |
| 443 | Simulation | 1 | 2 | 477 | 933 |
| 443 | Functional equations | 1 | 2 | 526 | 750 |
| 443 | microwave antennas | 1 | 2 | 892 | 1.4K |
| 443 | Computational Intelligence | 1 | 2 | 2.3K | 3.1K |
| 443 | Measurement | 1 | 2 | 1.7K | 2.7K |
| 443 | theoretical models | 1 | 2 | 477 | 933 |
| 443 | Testing | 1 | 2 | 268 | 397 |
| 452 | Histology | 1 | 1 | 3.7K | 5.4K |
| 452 | Energy Storage | 1 | 1 | 2.3K | 3.1K |
| 452 | Control Theory | 1 | 1 | 2.8K | 3.9K |
| 452 | Differential Equations | 1 | 1 | 1.3K | 1.8K |
| 452 | Nonlinear functional analysis | 1 | 1 | 864 | 1.3K |
| 452 | Solid State Chemistry | 1 | 1 | 3.0K | 4.3K |
| 452 | Integrated Circuits | 1 | 1 | 1.6K | 2.2K |
| 452 | Environmental Geochemistry | 1 | 1 | 1.3K | 2.1K |
| 452 | Homeostasis | 1 | 1 | 1.1K | 1.8K |
| 452 | Ferroelectricity | 1 | 1 | 2.0K | 2.7K |
| 452 | fuel cells | 1 | 1 | 2.2K | 3.1K |
| 452 | Central nervous system | 1 | 1 | 31 | 70 |
| 452 | Microstructure | 2 | 1 | 738 | 1.9K |
| 452 | mental processes | 1 | 1 | 719 | 1.2K |
| 452 | Landslides | 1 | 1 | 555 | 975 |
| 467 | Zoology | 1 | 0 | 4.5K | 6.2K |
| 467 | Statistics | 2 | 0 | 3.8K | 6.6K |
| 467 | Robotics | 1 | 0 | 2.9K | 4.3K |
| 467 | Medical genetics | 1 | 0 | 5.2K | 7.3K |
| 467 | Electronic Packaging | 1 | 0 | 524 | 921 |
| 467 | Multiscale Modeling | 1 | 0 | 150 | 286 |
| 467 | Cell cycle | 1 | 0 | 787 | 1.4K |
| 467 | Sound | 1 | 0 | 2.1K | 3.2K |
| 467 | cell proliferation | 1 | 0 | 872 | 1.5K |
| 467 | heredity | 1 | 0 | 1.6K | 2.6K |
| 467 | Neutrons | 1 | 0 | 134 | 260 |
| 467 | Nonlinear systems | 1 | 0 | 1.2K | 2.0K |
