| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Nuclear Physics | 391 | 18,649 | 512 | 373 |
| 2 | Physics | 465 | 8,984 | 838 | 2.1K |
| 3 | Spectrum analysis | 1,698 | 6,369 | 13 | 407 |
| 4 | Solid State Physics | 297 | 4,539 | 439 | 667 |
| 5 | Optics | 442 | 4,474 | 214 | 487 |
| 6 | Spectroscopy | 1,332 | 3,963 | 1 | 1 |
| 7 | Condensed Matter | 66 | 2,835 | 1.1K | 867 |
| 8 | Biochemistry | 296 | 2,620 | 1.1K | 2.3K |
| 9 | Engineering | 964 | 2,305 | 5 | 329 |
| 10 | Engineering Physics | 942 | 2,256 | 1 | 2 |
| 11 | Chemistry | 345 | 1,983 | 1.1K | 3.4K |
| 12 | Statistical physics | 92 | 1,693 | 790 | 896 |
| 13 | Biology | 263 | 1,156 | 1.2K | 5.5K |
| 14 | Molecular Biology | 83 | 1,154 | 2.2K | 3.9K |
| 15 | Science | 357 | 1,124 | 929 | 5.9K |
| 16 | Materials | 76 | 1,068 | 1.5K | 2.2K |
| 17 | Genetics | 131 | 993 | 502 | 2.0K |
| 18 | Ecology | 30 | 942 | 2.5K | 2.9K |
| 19 | Nonlinear Dynamics | 33 | 903 | 796 | 747 |
| 20 | Polymers | 85 | 844 | 1.1K | 1.7K |
| 21 | Surface Chemistry | 93 | 841 | 455 | 1.2K |
| 22 | Microbiology | 119 | 827 | 1.3K | 3.6K |
| 23 | Botany | 16 | 785 | 2.2K | 1.8K |
| 24 | Nanotechnology | 70 | 777 | 1.3K | 2.4K |
| 25 | Physical Chemistry | 12 | 765 | 1.5K | 1.0K |
| 26 | Biophysics | 98 | 764 | 1.2K | 2.4K |
| 27 | Medicine | 42 | 735 | 4.5K | 6.2K |
| 28 | Semiconductors | 80 | 652 | 49 | 126 |
| 28 | Research | 24 | 652 | 4.9K | 4.9K |
| 30 | Catalysis | 32 | 647 | 1.3K | 1.6K |
| 31 | Colloids | 55 | 643 | 837 | 1.6K |
| 32 | Plant physiology | 54 | 594 | 383 | 1.1K |
| 33 | Soviet Union | 60 | 552 | 48 | 32 |
| 34 | Biocompatible Materials | 18 | 548 | 2.0K | 2.3K |
| 35 | Steroids | 43 | 506 | 41 | 262 |
| 36 | Operations Research | 36 | 499 | 468 | 728 |
| 37 | Cytology | 66 | 495 | 1.2K | 3.2K |
| 38 | lasers | 52 | 484 | 353 | 590 |
| 39 | Nanostructured Materials | 32 | 477 | 1.2K | 1.7K |
| 40 | Mathematics | 96 | 471 | 1.3K | 1.8K |
| 41 | polymerization | 42 | 468 | 1.4K | 1.9K |
| 42 | Pollution | 29 | 464 | 2.1K | 3.4K |
| 43 | Crystallography | 73 | 447 | 226 | 439 |
| 44 | Organic Chemistry | 108 | 427 | 420 | 1.6K |
| 45 | Materials Science | 74 | 421 | 1.1K | 2.7K |
| 46 | Quantum Gravity | 9 | 414 | 1.5K | 1.2K |
| 47 | Neurology | 11 | 413 | 3.9K | 3.9K |
| 48 | Pharmacology | 12 | 386 | 3.6K | 3.4K |
| 49 | Technology | 346 | 366 | 89 | 1.9K |
| 50 | atmospheric models | 7 | 347 | 540 | 487 |
| 51 | proteins | 16 | 341 | 1.1K | 1.4K |
| 52 | Chemical Engineering | 38 | 335 | 1.3K | 2.5K |
| 53 | Analytical Chemistry | 13 | 328 | 2.8K | 2.8K |
| 54 | Cell Biology | 31 | 327 | 1.9K | 3.8K |
| 55 | Environment | 7 | 315 | 4.1K | 4.5K |
| 56 | Quantum Optics | 28 | 312 | 172 | 355 |
| 57 | Virology | 5 | 304 | 3.2K | 3.1K |
| 58 | Scheduling | 15 | 299 | 14 | 27 |
| 58 | Production Scheduling | 15 | 299 | 14 | 27 |
| 58 | nanoscience | 28 | 299 | 1.1K | 2.3K |
| 61 | Biotechnology | 39 | 294 | 2.2K | 4.9K |
| 61 | Environmental Health | 9 | 294 | 4.0K | 4.0K |
| 63 | Biogeography | 5 | 288 | 915 | 934 |
| 64 | Quantum electronics | 38 | 287 | 358 | 695 |
| 65 | Petroleum | 22 | 278 | 74 | 67 |
| 65 | Hydrocarbons | 22 | 278 | 15 | 8 |
| 67 | Atomic spectroscopy | 24 | 271 | 246 | 433 |
| 67 | Laser Spectroscopy | 24 | 271 | 197 | 383 |
| 69 | Radiochemistry | 34 | 263 | 240 | 378 |
| 69 | Proteome | 6 | 263 | 1.1K | 1.0K |
| 71 | ethanol | 6 | 262 | 322 | 219 |
| 71 | alcoholism | 6 | 262 | 1.3K | 1.0K |
| 73 | Metals | 41 | 255 | 411 | 855 |
| 74 | Nanostructures | 18 | 250 | 674 | 1.5K |
| 75 | Environmental Engineering | 10 | 248 | 2.6K | 2.9K |
| 76 | Physiology | 20 | 245 | 2.2K | 3.4K |
| 77 | Electrochemistry | 19 | 241 | 1.7K | 1.9K |
| 78 | Population Genetics | 2 | 240 | 1.8K | 1.1K |
| 79 | Molecular Genetics | 5 | 232 | 1.8K | 1.7K |
| 80 | Fiber Optics | 5 | 228 | 721 | 449 |
| 81 | Ceramics | 77 | 227 | 191 | 957 |
| 82 | Toxicology | 11 | 225 | 3.2K | 3.7K |
| 83 | Membranes | 9 | 222 | 796 | 1.0K |
| 84 | Raman spectroscopy | 12 | 211 | 258 | 368 |
| 85 | Algebra | 20 | 210 | 469 | 300 |
| 85 | Fluorescence | 24 | 210 | 23 | 110 |
| 87 | Molecular ecology | 1 | 207 | 2.2K | 1.3K |
| 88 | environmental protection | 7 | 205 | 2.6K | 2.7K |
| 88 | cryosphere | 7 | 205 | 273 | 312 |
| 90 | Heterocyclic compounds | 39 | 204 | 144 | 353 |
| 91 | Composite Materials | 29 | 203 | 505 | 1.3K |
| 92 | Nondestructive testing | 79 | 195 | 7 | 204 |
| 93 | Zoology | 16 | 194 | 1.4K | 1.6K |
| 93 | Heterocyclic chemistry | 38 | 194 | 63 | 101 |
| 95 | Optical materials | 11 | 193 | 1.5K | 2.1K |
| 96 | Plastics | 39 | 187 | 279 | 919 |
| 97 | mammals | 8 | 179 | 711 | 687 |
| 98 | Human genetics | 3 | 175 | 2.9K | 3.8K |
| 98 | Medical genetics | 3 | 175 | 3.7K | 3.3K |
| 100 | Plasma chemistry | 7 | 174 | 256 | 244 |
| 101 | Environmental Management | 5 | 171 | 2.3K | 2.5K |
| 102 | Mathematical Physics | 28 | 170 | 965 | 1.5K |
| 103 | Bioorganic chemistry | 34 | 169 | 817 | 2.3K |
| 103 | pollutants | 12 | 169 | 875 | 1.7K |
| 103 | Environmental pollutants | 12 | 169 | 1.2K | 1.9K |
| 106 | Image Processing | 39 | 168 | 404 | 1.5K |
| 107 | ecosystem | 1 | 163 | 2.5K | 1.4K |
| 108 | Environmental Policy | 3 | 161 | 3.4K | 3.0K |
| 108 | adhesives | 10 | 161 | 178 | 190 |
| 110 | Adhesion | 9 | 160 | 176 | 186 |
| 111 | Photochemistry | 13 | 155 | 646 | 1.2K |
| 112 | Neurochemistry | 3 | 153 | 2.8K | 2.3K |
| 112 | Biodiversity | 4 | 153 | 2.6K | 2.1K |
| 114 | free radicals | 4 | 150 | 1.2K | 1.5K |
| 115 | Endocrinology | 2 | 149 | 4.6K | 3.5K |
| 115 | Liquid Crystals | 19 | 149 | 355 | 406 |
| 117 | Industrial Engineering | 10 | 147 | 1.1K | 1.6K |
| 118 | Photonics | 5 | 145 | 1.8K | 1.8K |
| 119 | Artificial Intelligence | 16 | 144 | 1.9K | 2.8K |
| 119 | sanitation | 3 | 144 | 2.1K | 2.3K |
| 121 | Manufacturing Processes | 99 | 142 | 163 | 1.4K |
| 121 | Environmental monitoring | 11 | 142 | 2.3K | 3.7K |
| 123 | environmental pollution | 7 | 140 | 3.3K | 4.1K |
| 124 | Plasma polymerization | 4 | 139 | 248 | 208 |
| 124 | biological invasions | 13 | 139 | 219 | 582 |
| 126 | Magnetic Materials | 5 | 138 | 1.4K | 1.3K |
| 127 | Microbial Ecology | 4 | 135 | 2.5K | 3.0K |
| 127 | Nuclear Chemistry | 14 | 135 | 419 | 549 |
| 129 | Geophysics | 11 | 134 | 2.3K | 3.1K |
| 130 | Differential Equations | 73 | 129 | 11 | 236 |
| 130 | genome | 16 | 129 | 875 | 2.5K |
| 132 | Natural history | 22 | 128 | 1.9K | 6.8K |
| 133 | Biomedical Engineering | 13 | 127 | 3.1K | 4.8K |
| 134 | Medical Laboratory Science | 7 | 126 | 1.8K | 2.5K |
| 135 | Geography | 6 | 125 | 1.9K | 1.8K |
| 135 | Solid State Chemistry | 6 | 125 | 1.5K | 1.4K |
| 135 | Chemical industry | 9 | 125 | 856 | 886 |
| 138 | Anthropology | 10 | 122 | 1.0K | 1.1K |
| 139 | Smart Materials | 15 | 121 | 194 | 537 |
| 139 | Intelligent Control Systems | 14 | 121 | 362 | 490 |
| 141 | Marine Biology | 13 | 120 | 1.4K | 2.3K |
| 141 | Ethnobotany | 4 | 120 | 181 | 186 |
| 141 | Medical Anthropology | 4 | 120 | 1.2K | 1.4K |
| 141 | Traditional medicine | 4 | 120 | 273 | 213 |
| 141 | ethnobiology | 4 | 120 | 202 | 213 |
| 141 | Phytotherapy | 4 | 120 | 818 | 775 |
| 141 | Ethnomedicine | 4 | 120 | 138 | 182 |
| 148 | Metallurgy | 17 | 118 | 998 | 1.6K |
| 148 | Radiation | 9 | 118 | 1.2K | 1.5K |
| 148 | Substance Abuse | 2 | 118 | 2.2K | 1.4K |
| 151 | optical pattern recognition | 36 | 116 | 9 | 31 |
| 152 | Chromosomes | 6 | 114 | 693 | 982 |
| 153 | Pharmaceutical Chemistry | 47 | 112 | 1.1K | 4.2K |
| 153 | Atmospheric Physics | 12 | 112 | 898 | 1.6K |
| 153 | drug therapy | 3 | 112 | 3.0K | 2.7K |
| 156 | Molecular Spectroscopy | 11 | 110 | 676 | 1.2K |
| 157 | Cell metabolism | 6 | 109 | 575 | 1.4K |
| 158 | Food | 5 | 108 | 3.0K | 3.2K |
| 159 | Electronics | 10 | 106 | 2.5K | 3.1K |
| 160 | Luminescence | 11 | 105 | 255 | 436 |
| 161 | Wildlife conservation | 1 | 102 | 1.7K | 951 |
| 161 | Animal ecology | 1 | 102 | 2.2K | 1.2K |
| 161 | Wildlife management | 1 | 102 | 1.0K | 395 |
| 164 | Optoelectronic devices | 12 | 99 | 389 | 488 |
| 165 | Biochemical Engineering | 6 | 98 | 2.1K | 3.7K |
| 166 | Cytogenetics | 31 | 97 | 492 | 2.4K |
| 166 | Mass Spectrometry | 4 | 97 | 1.5K | 1.5K |
| 168 | Microelectronics | 30 | 95 | 545 | 2.1K |
| 168 | Bioinorganic chemistry | 4 | 95 | 1.4K | 1.5K |
| 168 | Diagnostic microbiology | 1 | 95 | 2.7K | 2.4K |
| 171 | Renewable Energy Sources | 1 | 94 | 3.4K | 2.6K |
| 171 | Brain | 4 | 94 | 2.5K | 2.7K |
| 171 | extraterrestrial environment | 1 | 94 | 642 | 225 |
| 171 | enzymes | 6 | 94 | 1.0K | 1.5K |
| 171 | astronomical phenomena | 1 | 94 | 519 | 171 |
| 176 | Geology | 11 | 92 | 1.8K | 2.5K |
| 176 | Bioenergetics | 4 | 92 | 625 | 899 |
| 178 | synthesis | 7 | 91 | 774 | 776 |
| 178 | freshwater biology | 15 | 91 | 346 | 966 |
| 180 | Magnetic Resonance Spectroscopy | 9 | 90 | 802 | 1.1K |
| 180 | Photobiology | 7 | 90 | 543 | 940 |
| 182 | biological evolution | 11 | 87 | 1.3K | 2.9K |
| 183 | dietary supplements | 1 | 86 | 1.1K | 595 |
| 184 | Microscopy | 6 | 82 | 1.7K | 1.5K |
| 185 | Fluid Dynamics | 5 | 79 | 812 | 873 |
| 185 | Nanoparticles | 8 | 79 | 1.4K | 2.3K |
| 187 | Surface-Active Agents | 2 | 78 | 1.4K | 1.4K |
| 187 | Surface properties | 2 | 78 | 1.4K | 1.4K |
| 189 | Atmospheric Chemistry | 3 | 77 | 1.2K | 1.5K |
| 189 | biological factors | 4 | 77 | 2.3K | 2.5K |
| 191 | Plants | 5 | 76 | 2.2K | 2.8K |
| 192 | Genetic Toxicology | 4 | 75 | 335 | 637 |
| 192 | Chemical kinetics | 6 | 75 | 570 | 533 |
| 194 | Biopharmaceutics | 1 | 74 | 2.5K | 1.5K |
| 194 | Chemotherapy | 1 | 74 | 3.0K | 2.1K |
| 196 | protein | 6 | 73 | 1.2K | 1.7K |
| 197 | Geriatrics | 1 | 72 | 6.0K | 3.6K |
| 197 | natural products | 8 | 72 | 1.3K | 2.0K |
| 199 | Pathology | 5 | 71 | 2.4K | 3.4K |
| 200 | Developmental Biology | 14 | 70 | 1.2K | 3.1K |
| 200 | food technology | 2 | 70 | 3.1K | 2.8K |
| 200 | Protein engineering | 3 | 70 | 296 | 392 |
| 200 | Molecular structure | 7 | 70 | 1.6K | 2.5K |
| 200 | molecular design | 3 | 70 | 299 | 386 |
| 205 | Microorganisms | 3 | 68 | 1.6K | 2.2K |
| 206 | radiative transfer | 5 | 67 | 158 | 228 |
| 207 | Medical Microbiology | 2 | 66 | 3.5K | 3.7K |
| 208 | Light | 5 | 65 | 995 | 1.8K |
| 209 | Child psychology | 1 | 64 | 2.8K | 2.2K |
| 210 | Soil Science | 12 | 63 | 784 | 1.9K |
| 211 | Immunology | 3 | 62 | 4.7K | 5.4K |
| 211 | Solar Energy | 7 | 62 | 558 | 1.3K |
| 213 | Numerical Analysis | 7 | 61 | 1.7K | 2.0K |
| 214 | Clinical Biochemistry | 16 | 59 | 380 | 1.6K |
| 214 | Signal Processing | 2 | 59 | 3.1K | 2.8K |
| 216 | Computer Science | 57 | 58 | 211 | 2.1K |
| 217 | Molecules | 7 | 57 | 1.1K | 1.6K |
| 217 | plant molecular biology | 3 | 57 | 1.8K | 2.6K |
| 219 | Computational Biology | 6 | 56 | 2.9K | 4.2K |
| 219 | Bioinformatics | 6 | 56 | 2.1K | 3.2K |
| 221 | mathematical analysis | 19 | 55 | 889 | 1.5K |
| 222 | Clinical Laboratory Science | 3 | 54 | 324 | 338 |
| 222 | Heat Exchangers | 3 | 54 | 584 | 944 |
| 222 | mass transfer | 4 | 54 | 947 | 1.2K |
| 222 | biological agents | 7 | 54 | 397 | 256 |
| 226 | Conservation Biology | 2 | 53 | 1.6K | 1.7K |
| 226 | Radioisotopes | 4 | 53 | 1.1K | 1.1K |
| 228 | Nutrition | 4 | 52 | 5.1K | 6.5K |
| 228 | Plant hormones | 3 | 52 | 355 | 536 |
| 228 | Glass | 12 | 52 | 648 | 1.7K |
| 231 | Bioengineering | 9 | 50 | 3.1K | 6.4K |
| 232 | Radiology | 4 | 49 | 1.5K | 1.7K |
| 232 | Ferroelectricity | 9 | 49 | 694 | 1.0K |
| 232 | nuclear magnetic resonance spectroscopy | 3 | 49 | 1.0K | 1.0K |
| 232 | Microstructure | 4 | 49 | 468 | 525 |
| 236 | NMR | 2 | 48 | 947 | 750 |
| 236 | Europe | 6 | 48 | 3.1K | 3.9K |
| 236 | magnetic resonance | 2 | 48 | 1.0K | 793 |
| 239 | Drying | 4 | 46 | 353 | 567 |
| 239 | Antibodies | 2 | 46 | 798 | 859 |
| 239 | Antigens | 2 | 46 | 1.2K | 1.3K |
| 242 | Nanochemistry | 4 | 45 | 1.2K | 1.5K |
| 242 | Neurobiology | 2 | 45 | 2.4K | 2.9K |
| 244 | Public Health | 3 | 44 | 7.7K | 8.6K |
| 244 | Nonlinear Optics | 5 | 44 | 109 | 189 |
| 244 | heat pipes | 9 | 44 | 2 | 1 |
| 244 | miniaturization | 6 | 44 | 1.7K | 3.3K |
| 248 | Pharmaceutical Technology | 1 | 43 | 2.9K | 2.4K |
| 248 | nuclear magnetic resonance | 8 | 43 | 745 | 1.4K |
| 248 | Shock Waves | 12 | 43 | 70 | 245 |
| 248 | Hormones | 3 | 43 | 1.5K | 2.1K |
| 248 | Earth Sciences | 9 | 43 | 2.0K | 3.6K |
| 248 | catalytic activity | 1 | 43 | 1.2K | 1.1K |
| 254 | Combustion | 13 | 42 | 409 | 1.1K |
| 254 | Organometallic chemistry | 1 | 42 | 2.9K | 2.1K |
| 254 | Protective coatings | 16 | 42 | 49 | 349 |
| 257 | Probability | 1 | 41 | 1.5K | 1.1K |
| 257 | Risk Management | 1 | 41 | 1.7K | 1.2K |
| 257 | Financial management | 1 | 41 | 1.2K | 1.1K |
| 257 | Risk | 1 | 41 | 1.3K | 1.1K |
| 257 | System analysis | 22 | 41 | 726 | 3.0K |
| 257 | polar regions | 7 | 41 | 471 | 1.0K |
| 257 | concrete | 3 | 41 | 756 | 985 |
| 264 | Plant Ecology | 1 | 40 | 2.8K | 2.6K |
| 264 | Radiation Protection | 9 | 40 | 356 | 667 |
| 264 | plant communities | 1 | 40 | 2.0K | 2.0K |
| 267 | mutation | 2 | 39 | 691 | 991 |
| 267 | Biogeochemistry | 1 | 39 | 1.9K | 1.9K |
| 267 | pottery | 3 | 39 | 1.4K | 1.8K |
| 270 | Polymer Engineering | 2 | 38 | 198 | 115 |
| 270 | Electrophysiology | 1 | 38 | 2.3K | 1.9K |
| 270 | Therapeutics | 2 | 38 | 3.0K | 3.7K |
| 273 | Control Theory | 5 | 37 | 1.5K | 2.1K |
| 273 | Powder Metallurgy | 16 | 37 | 128 | 340 |
| 273 | solar power | 1 | 37 | 711 | 806 |
| 273 | solar cells | 1 | 37 | 1.0K | 1.1K |
| 273 | Radio | 7 | 37 | 1.2K | 2.2K |
| 273 | Catalysts | 3 | 37 | 772 | 1.0K |
| 279 | Ecological Genetics | 2 | 36 | 1.0K | 1.0K |
| 280 | Evolution | 10 | 35 | 1.3K | 3.5K |
| 280 | Cancer | 2 | 35 | 5.4K | 6.2K |
| 282 | Nuclear Engineering | 5 | 33 | 1.3K | 1.7K |
| 282 | Nuclear Energy | 12 | 33 | 470 | 1.1K |
| 282 | Tribology | 5 | 33 | 882 | 1.4K |
| 285 | Data Mining | 1 | 32 | 3.4K | 2.9K |
| 285 | Process Control | 2 | 32 | 465 | 896 |
| 285 | Lightweight concrete | 2 | 32 | 177 | 461 |
| 285 | Production Management | 2 | 32 | 1.1K | 1.5K |
| 285 | data collection | 1 | 32 | 2.4K | 2.1K |
| 290 | Astrophysics | 3 | 31 | 3.3K | 3.8K |
| 291 | Electrical Engineering | 16 | 30 | 2.0K | 3.8K |
| 291 | Energy metabolism | 1 | 30 | 877 | 1.0K |
| 291 | management | 2 | 30 | 4.0K | 4.1K |
| 291 | cell membrane | 1 | 30 | 765 | 932 |
| 291 | plankton | 2 | 30 | 318 | 475 |
| 296 | Cybernetics | 16 | 29 | 613 | 2.6K |
| 296 | Gene expression regulation | 2 | 29 | 1.6K | 2.1K |
| 296 | Genetic regulation | 2 | 29 | 1.8K | 2.6K |
| 296 | Magnetism | 3 | 29 | 234 | 141 |
| 296 | Genetic markers | 2 | 29 | 457 | 654 |
| 296 | biochemical markers | 2 | 29 | 1.4K | 1.7K |
| 296 | environmental issues | 8 | 29 | 214 | 1.0K |
| 303 | Social Sciences | 105 | 28 | 363 | 4.5K |
| 303 | Meteorology | 6 | 28 | 1.8K | 3.9K |
| 303 | Metabolism | 1 | 28 | 5.1K | 5.4K |
| 303 | Metabolic diseases | 1 | 28 | 4.5K | 4.8K |
| 307 | Materials Engineering | 4 | 27 | 637 | 1.1K |
| 307 | Automation | 11 | 27 | 1.2K | 3.1K |
| 307 | Environmental Toxicology | 1 | 27 | 4.5K | 4.8K |
| 307 | Water pollution | 2 | 27 | 3.4K | 4.3K |
| 307 | Ion Exchange | 2 | 27 | 191 | 245 |
| 307 | Waste management | 2 | 27 | 2.2K | 2.5K |
| 307 | Water Purification | 2 | 27 | 1.8K | 2.1K |
| 307 | Water quality management | 2 | 27 | 2.8K | 3.2K |
| 307 | Solvent extraction | 2 | 27 | 191 | 245 |
| 307 | environmental exposure | 1 | 27 | 3.8K | 3.7K |
| 307 | optical devices | 3 | 27 | 590 | 856 |
| 318 | Epidemiology | 2 | 26 | 6.0K | 7.2K |
| 318 | Paleontology | 1 | 26 | 2.3K | 2.0K |
| 318 | Combinatorial optimization | 6 | 26 | 300 | 636 |
| 318 | radiocarbon dating | 3 | 26 | 420 | 649 |
| 318 | Parasitology | 1 | 26 | 4.2K | 4.0K |
| 318 | Breeding | 2 | 26 | 1.8K | 2.3K |
| 324 | Computer Graphics | 2 | 25 | 1.9K | 2.3K |
| 324 | Water chemistry | 4 | 25 | 269 | 804 |
| 324 | pigments | 2 | 25 | 498 | 779 |
| 327 | Green Chemistry | 2 | 24 | 2.4K | 3.4K |
| 328 | Genomics | 3 | 23 | 4.2K | 6.4K |
| 329 | Chemical structure | 2 | 22 | 819 | 829 |
| 329 | Birds | 4 | 22 | 1.3K | 1.9K |
| 331 | Structural Engineering | 4 | 21 | 1.2K | 1.9K |
| 331 | Analytical Biochemistry | 2 | 21 | 2.4K | 3.1K |
| 331 | Physical organic chemistry | 3 | 21 | 1.7K | 2.5K |
| 331 | transgenic organisms | 1 | 21 | 711 | 925 |
| 331 | Plant genetic engineering | 1 | 21 | 1.8K | 2.1K |
| 331 | transgenic animals | 1 | 21 | 675 | 894 |
| 331 | Radiobiology | 4 | 21 | 1.6K | 2.7K |
| 331 | Ceramic materials | 6 | 21 | 724 | 1.8K |
| 331 | Transgenic plants | 1 | 21 | 1.1K | 1.4K |
| 340 | Quantum Mechanics | 4 | 20 | 166 | 241 |
| 340 | behavioral medicine | 1 | 20 | 2.8K | 3.3K |
| 340 | Soft Condensed Matter | 2 | 20 | 1.6K | 2.1K |
| 340 | Animal genetics | 2 | 20 | 808 | 1.2K |
| 340 | human behavior | 1 | 20 | 4.2K | 4.9K |
| 345 | Micropaleontology | 1 | 19 | 228 | 217 |
| 345 | Radiopharmaceuticals | 3 | 19 | 561 | 649 |
| 347 | Archaeology | 5 | 18 | 1.1K | 1.8K |
| 347 | Information Technology | 19 | 18 | 830 | 3.8K |
| 347 | Molecular Pharmacology | 1 | 18 | 1.9K | 2.3K |
| 347 | Pharmacognosy | 1 | 18 | 3.2K | 3.7K |
| 347 | Hydrology | 7 | 18 | 1.9K | 4.1K |
| 347 | Carbon | 1 | 18 | 1.5K | 1.9K |
| 347 | biopolymers | 14 | 18 | 609 | 2.5K |
| 347 | Scanning electron microscopy | 4 | 18 | 118 | 424 |
| 355 | Systems Engineering | 9 | 17 | 1.4K | 3.6K |
| 355 | Sustainable Development | 1 | 17 | 3.7K | 3.8K |
| 355 | cosmic rays | 1 | 17 | 270 | 272 |
| 355 | Information visualization | 1 | 17 | 447 | 337 |
| 355 | energy conservation | 2 | 17 | 2.3K | 3.5K |
| 355 | Rheology | 1 | 17 | 1.3K | 1.3K |
| 355 | Ornithology | 2 | 17 | 1.4K | 1.7K |
| 355 | global environmental change | 1 | 17 | 1.6K | 2.0K |
| 355 | actuators | 1 | 17 | 2.4K | 2.9K |
| 355 | visualization | 1 | 17 | 3.9K | 2.3K |
| 355 | Japan | 2 | 17 | 3.1K | 3.4K |
| 355 | transducers | 1 | 17 | 2.4K | 2.9K |
| 355 | Entomology | 12 | 17 | 1.5K | 3.8K |
| 368 | Immunotherapy | 1 | 16 | 3.6K | 4.2K |
| 368 | Emergency Medical Services | 1 | 16 | 2.2K | 2.1K |
| 368 | Emergency Medicine | 1 | 16 | 3.3K | 3.0K |
| 368 | Combinatorial number theory | 1 | 16 | 76 | 19 |
| 368 | Superconductors | 4 | 16 | 927 | 1.4K |
| 368 | Bacteriology | 1 | 16 | 3.0K | 3.7K |
| 368 | Ore deposits | 1 | 16 | 681 | 814 |
| 368 | silicon | 1 | 16 | 806 | 692 |
| 376 | Industrial Microbiology | 3 | 15 | 2.4K | 4.6K |
| 376 | Dynamics | 3 | 15 | 2.0K | 2.9K |
| 376 | Biological Systems | 1 | 15 | 1.7K | 1.9K |
| 376 | isomerism | 1 | 15 | 822 | 909 |
| 376 | particles | 4 | 15 | 729 | 1.8K |
| 376 | Informatics | 1 | 15 | 1.8K | 2.0K |
| 376 | Chirality | 1 | 15 | 822 | 909 |
| 376 | Phylogeny | 4 | 15 | 825 | 2.0K |
| 384 | Mechanical Engineering | 10 | 14 | 1.6K | 3.6K |
| 384 | Sustainable Architecture | 2 | 14 | 226 | 265 |
| 384 | Paleoclimatology | 1 | 14 | 1.2K | 1.6K |
| 384 | Proteomics | 1 | 14 | 2.2K | 2.9K |
| 384 | Sustainable Engineering | 1 | 14 | 3.0K | 3.6K |
| 384 | Mineralogy | 1 | 14 | 2.5K | 2.6K |
| 384 | Clinical Chemistry | 3 | 14 | 3.4K | 5.8K |
| 384 | Oxidative stress | 1 | 14 | 2.3K | 3.1K |
| 384 | Cellular senescence | 1 | 14 | 1.7K | 2.3K |
| 384 | Radio wave propagation | 1 | 14 | 1.7K | 1.6K |
| 384 | nuclear power | 1 | 14 | 697 | 464 |
| 384 | amino acids | 2 | 14 | 1.1K | 2.0K |
| 384 | Acarology | 1 | 14 | 665 | 827 |
| 384 | Mites | 2 | 14 | 656 | 951 |
| 384 | Ticks | 1 | 14 | 729 | 838 |
| 384 | Acari | 1 | 14 | 639 | 816 |
| 400 | Neurosurgery | 1 | 12 | 2.1K | 2.5K |
| 400 | Plant Morphology | 1 | 12 | 849 | 1.1K |
| 400 | Adsorption | 1 | 12 | 461 | 607 |
| 400 | Group theory | 6 | 12 | 75 | 141 |
| 400 | Calculus of Variations | 2 | 12 | 681 | 805 |
| 400 | Aerosols | 2 | 12 | 553 | 1.0K |
| 400 | Combinatorial analysis | 2 | 12 | 1.2K | 1.1K |
| 407 | Astronomy | 11 | 11 | 1.9K | 4.1K |
| 407 | Algorithms | 2 | 11 | 930 | 1.3K |
| 407 | Number Theory | 1 | 11 | 1.4K | 1.1K |
| 407 | Fracture mechanics | 2 | 11 | 1.3K | 2.0K |
| 407 | Welding | 3 | 11 | 348 | 503 |
| 407 | Russia | 6 | 11 | 517 | 342 |
| 407 | X-rays | 1 | 11 | 1.5K | 1.6K |
| 407 | China | 3 | 11 | 3.3K | 5.6K |
| 407 | atmosphere | 1 | 11 | 936 | 1.2K |
| 407 | Trace elements | 1 | 11 | 706 | 1.1K |
| 417 | Humanities | 104 | 10 | 33 | 3.0K |
| 417 | Genetic engineering | 2 | 10 | 3.2K | 5.1K |
| 417 | Cosmology | 4 | 10 | 1.2K | 1.8K |
| 417 | Biochemical Genetics | 9 | 10 | 167 | 1.1K |
| 417 | Microbial Biotechnology | 1 | 10 | 2.1K | 2.7K |
| 417 | Neurophysiology | 10 | 10 | 2.0K | 5.7K |
| 417 | Diagnostic Imaging | 1 | 10 | 4.3K | 4.6K |
| 417 | Molecular evolution | 2 | 10 | 2.2K | 3.9K |
| 417 | Ultrasonics | 1 | 10 | 2.0K | 2.8K |
| 417 | Environmental risk assessment | 1 | 10 | 983 | 1.3K |
| 417 | starch | 1 | 10 | 834 | 1.0K |
| 417 | Ultrasonic Imaging | 1 | 10 | 884 | 1.2K |
| 417 | bioluminescence | 2 | 10 | 571 | 973 |
| 417 | Algae | 6 | 10 | 663 | 1.8K |
| 417 | Antarctica | 5 | 10 | 217 | 780 |
| 417 | Nanotubes | 2 | 10 | 307 | 543 |
| 417 | Ultrasound | 1 | 10 | 1.2K | 1.7K |
| 417 | phototherapy | 1 | 10 | 557 | 511 |
| 435 | Evolutionary Genetics | 1 | 9 | 1.4K | 2.0K |
| 435 | Molecular Epidemiology | 1 | 9 | 1.4K | 2.0K |
| 435 | Molecular cloning | 1 | 9 | 2.5K | 3.3K |
| 435 | Genetic recombination | 1 | 9 | 2.5K | 3.2K |
| 435 | microwave communication systems | 1 | 9 | 880 | 1.0K |
| 435 | Refractory materials | 6 | 9 | 107 | 255 |
| 435 | Recombinant DNA | 1 | 9 | 2.7K | 3.5K |
| 435 | Microwaves | 1 | 9 | 2.5K | 2.6K |
| 435 | Microwave devices | 1 | 9 | 966 | 1.1K |
| 444 | Statistical Mechanics | 3 | 8 | 1.1K | 1.8K |
| 444 | particle accelerators | 1 | 8 | 287 | 393 |
| 444 | Immunochemistry | 1 | 8 | 1.9K | 2.5K |
| 444 | Language and Logic | 1 | 8 | 226 | 204 |
| 444 | Antioxidants | 1 | 8 | 1.7K | 2.5K |
| 444 | Environmental Geochemistry | 1 | 8 | 1.3K | 1.7K |
| 444 | Chromosome mapping | 1 | 8 | 3.7K | 4.9K |
| 444 | Rhetoric | 1 | 8 | 365 | 225 |
| 444 | animals | 1 | 8 | 2.8K | 3.2K |
| 444 | Porous materials | 1 | 8 | 1.5K | 1.9K |
| 444 | particle beams | 1 | 8 | 537 | 648 |
| 444 | vitamin C | 1 | 8 | 990 | 1.6K |
| 444 | Minerals | 1 | 8 | 1.6K | 2.1K |
| 444 | gene mapping | 1 | 8 | 4.0K | 5.3K |
| 444 | vitamin E | 1 | 8 | 990 | 1.6K |
| 459 | Food Science | 2 | 7 | 234 | 447 |
| 459 | Production Engineering | 2 | 7 | 2.6K | 3.9K |
| 459 | Particle Physics | 3 | 7 | 753 | 1.2K |
| 459 | radiation monitoring | 2 | 7 | 1.0K | 1.5K |
| 459 | Geodesy | 4 | 7 | 582 | 1.5K |
| 459 | Ocean-atmosphere interaction | 8 | 7 | 47 | 264 |
| 459 | Radiation dosimetry | 2 | 7 | 811 | 1.2K |
| 466 | Information Theory | 1 | 6 | 2.4K | 2.8K |
| 466 | Nanoelectronics | 1 | 6 | 1.1K | 1.4K |
| 466 | Telecommunication | 1 | 6 | 4.4K | 4.7K |
| 466 | prostaglandins | 1 | 6 | 742 | 1.2K |
| 470 | Applied Mathematics | 2 | 5 | 1.2K | 1.6K |
| 470 | Digital electronics | 2 | 5 | 336 | 665 |
| 470 | nucleic acids | 1 | 5 | 3.4K | 4.6K |
| 470 | nucleotides | 1 | 5 | 756 | 948 |
| 470 | Sedimentary rocks | 1 | 5 | 535 | 805 |
| 470 | carbonate rocks | 1 | 5 | 321 | 431 |
| 476 | diffusion | 3 | 4 | 208 | 358 |
| 476 | Electromagnetic waves | 1 | 4 | 629 | 858 |
| 476 | Social Change | 1 | 4 | 1.3K | 2.1K |
| 476 | Sound | 2 | 4 | 1.5K | 2.6K |
| 476 | Mitochondrial DNA | 1 | 4 | 610 | 782 |
| 481 | Embryology | 2 | 3 | 2.4K | 4.2K |
| 481 | Fluid Mechanics | 3 | 3 | 2.3K | 4.2K |
| 481 | Carcinogenesis | 1 | 3 | 2.1K | 3.2K |
| 481 | Drug design | 1 | 3 | 3.5K | 4.7K |
| 481 | Superconductivity | 1 | 3 | 627 | 955 |
| 481 | Geodynamics | 1 | 3 | 679 | 1.1K |
| 481 | Gerontology | 1 | 3 | 4.2K | 5.0K |
| 481 | libraries | 4 | 3 | 695 | 1.4K |
| 481 | magmatism | 1 | 3 | 74 | 138 |
| 481 | Nervous system | 7 | 3 | 2.1K | 6.3K |
| 481 | Methodology | 1 | 3 | 1.0K | 1.6K |
| 481 | Methods | 1 | 3 | 297 | 489 |
| 481 | Flow cytometry | 1 | 3 | 1.1K | 1.7K |
| 481 | Nonlinear systems | 1 | 3 | 1.2K | 1.7K |
| 495 | Mining Engineering | 1 | 2 | 1.2K | 1.7K |
| 495 | Philosophy | 9 | 2 | 1.2K | 2.8K |
| 495 | Neuropsychology | 2 | 2 | 3.2K | 5.7K |
| 495 | Economic History | 5 | 2 | 3.3K | 6.9K |
| 495 | Psychopharmacology | 2 | 2 | 2.4K | 4.2K |
| 495 | Flow Visualization | 2 | 2 | 95 | 179 |
| 495 | Bifurcation Theory | 2 | 2 | 819 | 1.7K |
| 495 | gene therapy | 1 | 2 | 2.5K | 3.7K |
| 495 | Fluorescence spectroscopy | 1 | 2 | 654 | 1.1K |
| 495 | Plant breeding | 2 | 2 | 1.4K | 2.9K |
| 495 | Mechanics | 3 | 2 | 1.5K | 3.3K |
| 495 | Chemical processes | 1 | 2 | 1.3K | 2.1K |
| 495 | Dialectical materialism | 9 | 2 | 7 | 20 |
| 495 | Genetic therapy | 1 | 2 | 2.6K | 3.8K |
| 495 | United Kingdom | 1 | 2 | 3.3K | 4.5K |
| 495 | gene transfer | 1 | 2 | 721 | 1.2K |
| 495 | genetic transformation | 1 | 2 | 721 | 1.2K |
| 512 | Sociology | 4 | 1 | 3.0K | 7.7K |
| 512 | Economics | 4 | 1 | 4.2K | 8.0K |
| 512 | Agricultural Engineering | 2 | 1 | 432 | 1.1K |
| 512 | Architecture | 1 | 1 | 1.4K | 1.7K |
| 512 | Environmental Microbiology | 1 | 1 | 2.8K | 4.4K |
| 512 | Horticulture | 1 | 1 | 1.6K | 2.4K |
| 512 | Cartography | 2 | 1 | 720 | 1.5K |
| 512 | Public Policy | 1 | 1 | 3.2K | 5.1K |
| 512 | Systems Analysis | 1 | 1 | 2.1K | 3.5K |
| 512 | Systems Biology | 1 | 1 | 3.3K | 5.1K |
| 512 | Aerodynamics | 2 | 1 | 282 | 555 |
| 512 | economic forecasting | 1 | 1 | 384 | 730 |
| 512 | Hydrodynamics | 1 | 1 | 797 | 1.4K |
| 512 | Viticulture | 1 | 1 | 296 | 578 |
| 512 | economic policy | 3 | 1 | 2.7K | 5.4K |
| 512 | Developmental Neurobiology | 1 | 1 | 1.3K | 2.0K |
| 512 | Synthetic biology | 1 | 1 | 734 | 1.2K |
| 512 | Communist countries | 1 | 1 | 607 | 995 |
| 512 | Economic reform | 1 | 1 | 170 | 283 |
| 512 | peptides | 2 | 1 | 1.5K | 3.2K |
| 512 | economic conditions | 1 | 1 | 1.1K | 1.5K |
| 512 | Longevity | 1 | 1 | 470 | 1.0K |
| 512 | rejuvenation | 1 | 1 | 365 | 834 |
| 512 | Testing | 3 | 1 | 98 | 460 |
| 512 | Agriculture | 5 | 1 | 2.1K | 5.8K |
| 512 | Aquaculture | 1 | 1 | 2.1K | 3.0K |
| 538 | Literature | 1 | 0 | 1.6K | 1.6K |
| 538 | Political Science | 2 | 0 | 2.8K | 4.5K |
| 538 | Pharmacy | 1 | 0 | 3.9K | 5.8K |
| 538 | Petroleum Engineering | 2 | 0 | 921 | 2.0K |
| 538 | Oceanography | 1 | 0 | 2.8K | 4.2K |
| 538 | Statistics | 1 | 0 | 4.7K | 6.6K |
| 538 | Linguistics | 1 | 0 | 2.8K | 3.7K |
| 538 | Aerospace Engineering | 1 | 0 | 720 | 1.2K |
| 538 | Computational Chemistry | 1 | 0 | 1.4K | 2.1K |
| 538 | Thermodynamics | 1 | 0 | 1.5K | 2.3K |
| 538 | Freshwater Ecology | 1 | 0 | 655 | 1.2K |
| 538 | Structural design | 1 | 0 | 1.2K | 2.0K |
| 538 | Photography | 6 | 0 | 1.2K | 3.6K |
| 538 | Engineering Mathematics | 1 | 0 | 4.3K | 6.1K |
| 538 | Rural Development | 1 | 0 | 930 | 1.6K |
| 538 | Pharmacogenetics | 1 | 0 | 2.3K | 3.6K |
| 538 | Hydraulic Engineering | 1 | 0 | 1.6K | 2.6K |
| 538 | Palynology | 1 | 0 | 586 | 1.0K |
| 538 | Regional Planning | 1 | 0 | 2.8K | 4.3K |
| 538 | Mathematical Linguistics | 1 | 0 | 45 | 73 |
| 538 | Pharmacogenomics | 1 | 0 | 873 | 1.6K |
| 538 | Remote Sensing | 1 | 0 | 2.1K | 3.2K |
| 538 | Geochemistry | 1 | 0 | 2.5K | 3.8K |
| 538 | Computational Linguistics | 1 | 0 | 1.2K | 2.0K |
| 538 | occupational health and safety | 1 | 0 | 568 | 1.0K |
| 538 | community development | 1 | 0 | 903 | 1.7K |
| 538 | industrial hygiene | 1 | 0 | 2.6K | 4.2K |
| 538 | nutrition policy | 1 | 0 | 258 | 648 |
| 538 | Geopolitics | 1 | 0 | 583 | 1.0K |
| 538 | Religion | 1 | 0 | 2.1K | 2.5K |
| 538 | Bioremediation | 1 | 0 | 1.4K | 2.5K |
| 538 | Regionalism | 1 | 0 | 480 | 926 |
| 538 | Folklore | 1 | 0 | 339 | 361 |
| 538 | philology | 1 | 0 | 1.4K | 1.3K |
| 538 | Economic research | 1 | 0 | 4 | 2 |
| 538 | Beetles | 1 | 0 | 310 | 524 |
| 538 | Human physiology | 2 | 0 | 153 | 434 |
| 538 | Ethnology | 2 | 0 | 2.2K | 4.1K |
| 538 | Documentation | 2 | 0 | 508 | 1.3K |
| 538 | Radio waves | 1 | 0 | 1.6K | 2.3K |
| 538 | Diplomatic relations | 1 | 0 | 1.5K | 2.0K |
| 538 | heredity | 1 | 0 | 1.6K | 2.6K |
| 538 | Plant diseases | 1 | 0 | 3.3K | 4.7K |
| 538 | Ukraine | 3 | 0 | 171 | 347 |
| 538 | textile fibers | 1 | 0 | 1.1K | 1.8K |
| 538 | Vietnam | 2 | 0 | 127 | 258 |
| 538 | Detectors | 1 | 0 | 2.8K | 4.4K |
| 538 | Prospecting | 1 | 0 | 247 | 496 |
| 538 | Culture | 1 | 0 | 2.2K | 3.5K |
| 538 | drugs | 1 | 0 | 3.9K | 6.0K |
| 538 | Chemical reactors | 1 | 0 | 281 | 596 |
| 538 | Fisheries | 1 | 0 | 2.7K | 3.9K |
| 538 | aerosol | 1 | 0 | 237 | 549 |
