| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Chemistry | 649 | 43,577 | 666 | 470 |
| 2 | Materials | 603 | 27,525 | 227 | 230 |
| 3 | Nanotechnology | 530 | 26,950 | 218 | 233 |
| 4 | Materials Science | 346 | 14,434 | 295 | 255 |
| 5 | nanoscience | 234 | 14,194 | 161 | 153 |
| 6 | Optical materials | 364 | 14,181 | 61 | 102 |
| 7 | Physics | 617 | 13,666 | 655 | 1.6K |
| 8 | Biocompatible Materials | 317 | 13,423 | 207 | 237 |
| 9 | Nanostructured Materials | 233 | 9,168 | 202 | 185 |
| 10 | Wireless Communication Systems | 502 | 8,929 | 13 | 53 |
| 11 | Telecommunication | 386 | 8,686 | 44 | 99 |
| 12 | Analytical Chemistry | 262 | 7,907 | 268 | 291 |
| 13 | Biology | 125 | 7,702 | 2.1K | 2.2K |
| 14 | Photonics | 261 | 7,458 | 59 | 126 |
| 15 | Optics | 499 | 5,899 | 165 | 320 |
| 16 | Signal Processing | 344 | 5,704 | 62 | 201 |
| 17 | Nanoparticles | 86 | 5,310 | 156 | 103 |
| 18 | Magnetic Materials | 186 | 5,143 | 39 | 51 |
| 19 | internet | 214 | 5,012 | 11 | 15 |
| 20 | Internet of Things | 207 | 4,960 | 11 | 12 |
| 21 | Cybernetics | 114 | 4,790 | 60 | 75 |
| 22 | Automation | 157 | 4,770 | 91 | 130 |
| 23 | Science | 173 | 4,429 | 1.7K | 3.1K |
| 24 | computer networks | 215 | 3,594 | 29 | 92 |
| 25 | Electronics | 360 | 3,437 | 155 | 339 |
| 26 | Catalysis | 112 | 3,367 | 538 | 647 |
| 27 | Polymers | 134 | 3,307 | 748 | 731 |
| 28 | Light | 5 | 3,185 | 980 | 182 |
| 29 | Biotechnology | 64 | 3,116 | 1.6K | 1.4K |
| 30 | Artificial Intelligence | 204 | 3,030 | 198 | 414 |
| 31 | Bioengineering | 55 | 3,020 | 968 | 982 |
| 32 | Radio | 102 | 2,981 | 140 | 183 |
| 33 | Nanostructures | 59 | 2,592 | 180 | 302 |
| 34 | Systems Engineering | 152 | 2,521 | 64 | 109 |
| 35 | polymerization | 106 | 2,469 | 677 | 693 |
| 36 | Statistical physics | 98 | 2,317 | 731 | 722 |
| 37 | Chemical Engineering | 35 | 2,109 | 1.4K | 914 |
| 38 | Control Theory | 117 | 2,040 | 105 | 169 |
| 39 | Energy Conversion | 41 | 2,028 | 244 | 360 |
| 40 | Molecular Biology | 44 | 2,010 | 3.2K | 3.0K |
| 41 | Image Processing | 157 | 1,973 | 83 | 318 |
| 42 | Radio waves | 92 | 1,918 | 73 | 121 |
| 43 | Information Science | 39 | 1,860 | 247 | 124 |
| 44 | Microelectronics | 54 | 1,853 | 338 | 494 |
| 45 | Biomedical Engineering | 70 | 1,794 | 946 | 1.0K |
| 46 | miniaturization | 31 | 1,785 | 567 | 600 |
| 47 | Information Technology | 120 | 1,738 | 71 | 235 |
| 47 | Telecommunication Systems | 196 | 1,738 | 16 | 49 |
| 49 | Solid State Physics | 162 | 1,604 | 666 | 1.1K |
| 50 | Nuclear Physics | 61 | 1,498 | 1.5K | 1.4K |
| 51 | Electromagnetism | 91 | 1,492 | 37 | 87 |
| 52 | Microwaves | 161 | 1,483 | 59 | 201 |
| 53 | Condensed Matter | 140 | 1,467 | 711 | 1.1K |
| 54 | Research | 135 | 1,360 | 1.7K | 3.4K |
| 55 | China | 143 | 1,317 | 176 | 292 |
| 56 | Communication | 22 | 1,301 | 624 | 331 |
| 57 | fuel cells | 39 | 1,294 | 266 | 393 |
| 58 | Renewable Energy Sources | 19 | 1,281 | 518 | 540 |
| 59 | Neural circuitry | 81 | 1,263 | 75 | 204 |
| 60 | Carbon | 13 | 1,230 | 280 | 142 |
| 61 | Biosensors | 19 | 1,222 | 368 | 300 |
| 61 | Bioelectronics | 18 | 1,222 | 276 | 255 |
| 63 | Energy Storage | 38 | 1,212 | 215 | 230 |
| 64 | lasers | 137 | 1,196 | 125 | 281 |
| 65 | Electrical Engineering | 118 | 1,159 | 504 | 508 |
| 66 | Multimedia Systems | 142 | 1,106 | 41 | 100 |
| 67 | Detectors | 125 | 1,101 | 36 | 117 |
| 68 | Medical Laboratory Science | 3 | 1,079 | 2.8K | 661 |
| 69 | Nonlinear systems | 50 | 1,060 | 42 | 55 |
| 70 | Boundary Value Problems | 59 | 997 | 38 | 71 |
| 71 | Antenna Arrays | 54 | 926 | 34 | 80 |
| 72 | Colloids | 41 | 925 | 1.0K | 1.3K |
| 73 | Green Chemistry | 31 | 921 | 506 | 702 |
| 74 | Quantum electronics | 97 | 912 | 145 | 285 |
| 75 | energy conservation | 35 | 901 | 258 | 415 |
| 76 | Sustainable Engineering | 27 | 897 | 449 | 503 |
| 77 | Ceramics | 17 | 883 | 726 | 391 |
| 78 | Surface Chemistry | 43 | 874 | 898 | 1.2K |
| 78 | Intelligent Transportation Systems | 73 | 874 | 59 | 163 |
| 80 | Environmental Chemistry | 8 | 862 | 1.6K | 897 |
| 81 | Engineering | 69 | 844 | 609 | 834 |
| 82 | Optical Communications | 79 | 799 | 37 | 86 |
| 83 | Technology | 58 | 747 | 751 | 1.2K |
| 84 | Biochemical Engineering | 12 | 711 | 1.4K | 1.6K |
| 85 | Mathematics | 120 | 703 | 1.1K | 1.4K |
| 86 | Information Theory | 85 | 682 | 103 | 400 |
| 87 | Fiber Optics | 45 | 667 | 135 | 214 |
| 88 | energy development | 3 | 650 | 868 | 355 |
| 89 | Microwave devices | 41 | 632 | 55 | 92 |
| 90 | Nonlinear Dynamics | 17 | 629 | 1.2K | 901 |
| 91 | Energy Harvesting | 11 | 626 | 214 | 253 |
| 92 | Mathematical Physics | 37 | 623 | 824 | 786 |
| 93 | actuators | 17 | 598 | 394 | 334 |
| 93 | transducers | 17 | 598 | 394 | 334 |
| 95 | Software Engineering | 15 | 592 | 419 | 284 |
| 96 | Mobile Computing | 66 | 573 | 61 | 259 |
| 97 | Fuzzy systems | 43 | 535 | 157 | 194 |
| 98 | microwave communication systems | 37 | 533 | 45 | 95 |
| 99 | Electrochemistry | 25 | 531 | 1.4K | 1.3K |
| 100 | pigments | 33 | 530 | 18 | 35 |
| 101 | Quantum Optics | 44 | 513 | 95 | 224 |
| 101 | Atomic spectroscopy | 44 | 513 | 100 | 229 |
| 101 | Laser Spectroscopy | 44 | 513 | 86 | 204 |
| 104 | Parallel Processing | 17 | 509 | 122 | 150 |
| 105 | Computer Science | 81 | 495 | 125 | 419 |
| 106 | System analysis | 53 | 474 | 306 | 671 |
| 107 | Computational Biology | 37 | 466 | 820 | 1.6K |
| 108 | Physical Chemistry | 10 | 460 | 1.7K | 1.3K |
| 109 | Astronomy | 11 | 458 | 1.9K | 1.5K |
| 110 | Cognitive Radio Networks | 20 | 455 | 10 | 15 |
| 111 | optical devices | 23 | 452 | 63 | 56 |
| 112 | Numerical Analysis | 25 | 451 | 746 | 633 |
| 113 | sustainability | 23 | 446 | 107 | 343 |
| 114 | Biochemistry | 29 | 422 | 4.3K | 5.4K |
| 115 | Robotics | 43 | 392 | 284 | 611 |
| 116 | Environment | 7 | 388 | 4.1K | 4.1K |
| 117 | Medicine | 30 | 382 | 5.5K | 8.1K |
| 118 | Natural history | 19 | 374 | 2.1K | 5.3K |
| 119 | Radio wave propagation | 60 | 364 | 58 | 217 |
| 120 | Bioorganic chemistry | 11 | 352 | 1.7K | 1.6K |
| 121 | Bioinformatics | 27 | 341 | 811 | 1.5K |
| 122 | Cloud Computing | 20 | 337 | 26 | 48 |
| 123 | Organic Chemistry | 10 | 324 | 2.3K | 1.9K |
| 124 | Adaptive control systems | 23 | 308 | 92 | 140 |
| 125 | Water | 2 | 302 | 2.7K | 1.4K |
| 125 | Technological Innovations | 22 | 302 | 153 | 248 |
| 127 | Operations Research | 10 | 300 | 1.2K | 994 |
| 128 | Water pollution | 1 | 295 | 4.3K | 1.7K |
| 129 | Electrochemical Analysis | 6 | 289 | 748 | 396 |
| 130 | Computational Intelligence | 26 | 287 | 122 | 233 |
| 131 | Solid State Chemistry | 30 | 284 | 434 | 794 |
| 132 | Computer Graphics | 19 | 278 | 490 | 671 |
| 133 | Engineering Mathematics | 73 | 265 | 281 | 932 |
| 134 | Entropy | 37 | 260 | 92 | 306 |
| 135 | Quality Control | 21 | 257 | 369 | 668 |
| 136 | Systems Analysis | 26 | 251 | 197 | 443 |
| 137 | Solar Energy | 8 | 248 | 491 | 507 |
| 138 | Dynamics | 26 | 243 | 410 | 671 |
| 138 | Ultrasonics | 5 | 243 | 908 | 722 |
| 140 | multimedia | 36 | 242 | 34 | 71 |
| 140 | Interactive multimedia | 36 | 242 | 40 | 88 |
| 140 | health planning | 19 | 242 | 426 | 709 |
| 143 | big data | 9 | 241 | 152 | 136 |
| 144 | Library Science | 3 | 233 | 1.5K | 202 |
| 145 | Semiconductors | 29 | 228 | 218 | 412 |
| 146 | Ultrasonic Imaging | 4 | 215 | 387 | 196 |
| 146 | Ultrasound | 4 | 215 | 620 | 373 |
| 148 | Wireless Communication | 36 | 212 | 14 | 100 |
| 149 | Computer Engineering | 16 | 205 | 98 | 157 |
| 150 | Biophysics | 16 | 203 | 3.6K | 4.5K |
| 151 | solar power | 4 | 195 | 243 | 228 |
| 151 | solar cells | 4 | 195 | 428 | 380 |
| 153 | Chemical analysis | 19 | 191 | 421 | 934 |
| 154 | microwave antennas | 31 | 190 | 40 | 138 |
| 155 | Astrophysics | 7 | 186 | 2.5K | 2.3K |
| 156 | Nanochemistry | 31 | 180 | 141 | 548 |
| 156 | Telecommunications | 32 | 180 | 50 | 181 |
| 158 | Mechanical Engineering | 15 | 178 | 1.2K | 1.1K |
| 159 | Organometallic chemistry | 18 | 176 | 598 | 982 |
| 159 | Nervous system | 3 | 176 | 3.1K | 2.6K |
| 161 | Bifurcation Theory | 8 | 170 | 254 | 249 |
| 162 | World Wide Web | 15 | 166 | 58 | 134 |
| 163 | Industrial Engineering | 13 | 158 | 997 | 1.5K |
| 164 | Composite Materials | 7 | 155 | 1.4K | 1.5K |
| 165 | Flexible electronics | 4 | 153 | 50 | 49 |
| 166 | Geophysics | 17 | 149 | 1.9K | 3.0K |
| 167 | management | 12 | 146 | 1.6K | 2.2K |
| 168 | Bioinorganic chemistry | 11 | 142 | 784 | 1.1K |
| 169 | Human-Computer Interaction | 17 | 139 | 486 | 1.1K |
| 169 | vibration | 4 | 139 | 1.1K | 641 |
| 169 | Organometallic compounds | 5 | 139 | 1.2K | 1.0K |
| 172 | Microbiology | 5 | 133 | 6.8K | 7.3K |
| 173 | Fractals | 5 | 129 | 406 | 388 |
| 174 | Solitons | 4 | 128 | 269 | 279 |
| 174 | Chaos | 4 | 128 | 269 | 279 |
| 176 | Energy Policy | 4 | 127 | 1.6K | 1.8K |
| 176 | Optoelectronic devices | 29 | 127 | 127 | 393 |
| 178 | Speech Perception | 4 | 122 | 185 | 266 |
| 178 | auditory perception | 4 | 122 | 253 | 322 |
| 178 | Oral communication | 4 | 122 | 210 | 116 |
| 178 | Speech | 4 | 122 | 782 | 787 |
| 182 | Public Health | 6 | 119 | 5.7K | 6.1K |
| 182 | Radiography | 3 | 119 | 1.1K | 1.1K |
| 184 | Quantum Gravity | 6 | 118 | 1.8K | 1.7K |
| 184 | micromechanics | 8 | 118 | 271 | 426 |
| 186 | Structural dynamics | 2 | 116 | 1.0K | 711 |
| 186 | Nonlinear functional analysis | 5 | 116 | 344 | 266 |
| 188 | Embedded Systems | 4 | 115 | 166 | 124 |
| 188 | Luminescence | 11 | 115 | 253 | 397 |
| 188 | Earth Sciences | 15 | 115 | 1.6K | 2.5K |
| 191 | Data Mining | 13 | 114 | 649 | 1.6K |
| 191 | Intelligent Control Systems | 22 | 114 | 200 | 515 |
| 191 | pottery | 12 | 114 | 632 | 1.2K |
| 194 | Glass | 11 | 111 | 697 | 1.2K |
| 195 | Optoelectronics | 42 | 109 | 30 | 142 |
| 196 | Decision making | 12 | 107 | 714 | 1.4K |
| 197 | Public Policy | 7 | 103 | 1.2K | 1.6K |
| 198 | Physical organic chemistry | 9 | 102 | 970 | 1.3K |
| 199 | Nanophotonics | 6 | 100 | 224 | 358 |
| 200 | Power Electronics | 13 | 98 | 515 | 1.1K |
| 201 | Crystal growth | 13 | 96 | 524 | 1.1K |
| 202 | Database Management | 8 | 95 | 403 | 634 |
| 202 | Information Systems | 5 | 95 | 1.2K | 1.4K |
| 202 | Expert Systems | 5 | 95 | 90 | 125 |
| 205 | Computer Vision | 17 | 94 | 268 | 1.1K |
| 206 | Computer Architecture | 6 | 93 | 225 | 197 |
| 206 | Microprocessors | 6 | 93 | 152 | 220 |
| 208 | Cognitive Science | 6 | 91 | 1.2K | 1.7K |
| 208 | Diagnostic Imaging | 25 | 91 | 728 | 2.2K |
| 210 | Nanobiotechnology | 10 | 89 | 148 | 628 |
| 211 | mathematical analysis | 19 | 87 | 917 | 1.3K |
| 212 | Spectrum analysis | 18 | 83 | 2.0K | 4.1K |
| 213 | Informatics | 8 | 81 | 568 | 1.1K |
| 214 | Pharmaceutical Chemistry | 7 | 77 | 3.4K | 4.8K |
| 215 | Ceramic materials | 4 | 75 | 954 | 932 |
| 216 | Information Retrieval | 3 | 73 | 512 | 550 |
| 217 | Planets | 1 | 72 | 2.8K | 2.3K |
| 218 | radar | 7 | 71 | 124 | 241 |
| 218 | Sonar | 7 | 71 | 107 | 208 |
| 218 | Navigation | 7 | 71 | 316 | 377 |
| 221 | Medical Physics | 6 | 70 | 1.7K | 2.3K |
| 221 | Analytical Biochemistry | 3 | 70 | 2.0K | 1.9K |
| 221 | Microstructure | 12 | 70 | 108 | 329 |
| 224 | rehabilitation | 6 | 69 | 2.1K | 3.0K |
| 225 | Integrated Circuits | 21 | 68 | 187 | 444 |
| 226 | Urban Planning | 2 | 67 | 270 | 258 |
| 226 | community development | 2 | 67 | 613 | 371 |
| 226 | Housing | 2 | 67 | 422 | 366 |
| 226 | Population | 2 | 67 | 1.4K | 1.1K |
| 230 | Imaging systems | 24 | 66 | 51 | 353 |
| 231 | Developing countries | 2 | 65 | 2.8K | 2.2K |
| 232 | Statistics | 9 | 64 | 1.9K | 2.7K |
| 233 | Psychology | 10 | 63 | 3.7K | 6.2K |
| 233 | Discourse Analysis | 2 | 63 | 475 | 374 |
| 233 | Molecules | 8 | 63 | 1.0K | 1.5K |
| 233 | genome | 5 | 63 | 1.7K | 3.0K |
| 237 | Computational Chemistry | 3 | 62 | 862 | 1.0K |
| 237 | Mechatronics | 11 | 62 | 306 | 956 |
| 237 | Visual Communication | 6 | 62 | 126 | 164 |
| 237 | Image enhancement | 6 | 62 | 52 | 126 |
| 241 | Molecular structure | 4 | 61 | 2.2K | 2.6K |
| 242 | Fractional Calculus | 1 | 60 | 336 | 158 |
| 243 | Genetic algorithms | 2 | 59 | 421 | 583 |
| 244 | Epidemiology | 4 | 58 | 4.6K | 5.6K |
| 244 | Quantum theory | 4 | 58 | 857 | 942 |
| 246 | Medical Technology | 6 | 57 | 1.5K | 2.6K |
| 246 | Multivariate Analysis | 4 | 57 | 253 | 338 |
| 246 | Structural Equation Modeling | 4 | 57 | 86 | 181 |
| 249 | Cytology | 1 | 55 | 7.2K | 6.3K |
| 249 | Materials Engineering | 3 | 55 | 824 | 652 |
| 249 | Cryptography | 7 | 55 | 381 | 529 |
| 249 | Cell Biology | 1 | 55 | 7.1K | 6.3K |
| 249 | visualization | 6 | 55 | 1.5K | 1.3K |
| 249 | protein | 1 | 55 | 2.4K | 1.8K |
| 249 | proteins | 1 | 55 | 4.2K | 3.2K |
| 256 | Remote Sensing | 10 | 54 | 447 | 1.1K |
| 257 | Geriatrics | 5 | 53 | 3.2K | 4.0K |
| 257 | Proteomics | 1 | 53 | 2.3K | 2.0K |
| 259 | Quality of life | 3 | 52 | 1.9K | 2.5K |
| 260 | Clinical Immunology | 2 | 51 | 1.9K | 1.9K |
| 260 | Developmental Immunology | 2 | 51 | 1.2K | 1.3K |
| 260 | Autism | 2 | 51 | 962 | 1.2K |
| 263 | Statistical Mechanics | 11 | 49 | 436 | 855 |
| 263 | Sensor Networks | 6 | 49 | 71 | 214 |
| 263 | Water quality management | 2 | 49 | 2.8K | 2.5K |
| 266 | Social Change | 1 | 48 | 1.3K | 1.1K |
| 267 | Geographic information systems | 12 | 46 | 429 | 1.2K |
| 267 | particles | 3 | 46 | 912 | 1.1K |
| 267 | biopolymers | 2 | 46 | 1.8K | 1.9K |
| 270 | Language and Culture | 1 | 45 | 400 | 126 |
| 270 | Culture | 1 | 45 | 2.3K | 1.1K |
| 272 | soil microbiology | 1 | 43 | 2.5K | 2.7K |
| 272 | Soil biology | 1 | 43 | 977 | 1.1K |
| 274 | Geology | 8 | 42 | 2.2K | 3.4K |
| 274 | Measurement | 5 | 42 | 685 | 1.2K |
| 274 | Mobile Commerce | 10 | 42 | 76 | 174 |
| 274 | biomedicine | 4 | 42 | 996 | 1.7K |
| 278 | Molecular Spectroscopy | 2 | 41 | 2.0K | 2.1K |
| 278 | Cellulose | 2 | 41 | 885 | 1.1K |
| 280 | Structural optimization | 1 | 40 | 751 | 569 |
| 281 | Algorithms | 3 | 39 | 715 | 783 |
| 281 | Environmental Management | 5 | 39 | 2.3K | 4.5K |
| 281 | Lipids | 1 | 39 | 2.7K | 2.6K |
| 284 | infrared radiation | 10 | 38 | 119 | 396 |
| 284 | Smart Materials | 6 | 38 | 506 | 1.1K |
| 284 | Database Security | 4 | 38 | 53 | 120 |
| 284 | software | 2 | 38 | 1.2K | 1.6K |
| 288 | Mental Disorders | 4 | 37 | 3.9K | 5.5K |
| 288 | Cognitive neuroscience | 10 | 37 | 595 | 1.7K |
| 288 | Soft Condensed Matter | 1 | 37 | 2.0K | 1.8K |
| 288 | Neuroplasticity | 10 | 37 | 137 | 887 |
| 288 | human development | 10 | 37 | 409 | 1.4K |
| 288 | Chemical industry | 3 | 37 | 1.7K | 1.7K |
| 294 | Clinical Chemistry | 2 | 35 | 4.0K | 4.8K |
| 294 | electric vehicles | 5 | 35 | 196 | 353 |
| 294 | Cheminformatics | 1 | 35 | 836 | 806 |
| 297 | Quantum Computing | 1 | 34 | 378 | 275 |
| 298 | Sociology | 4 | 33 | 3.0K | 4.1K |
| 298 | data collection | 1 | 33 | 2.5K | 2.1K |
| 300 | Ocean Engineering | 1 | 32 | 1.6K | 1.5K |
| 300 | Microwave circuits | 3 | 32 | 200 | 160 |
| 300 | environmental pollution | 3 | 32 | 4.7K | 6.6K |
| 300 | smart structures | 4 | 32 | 59 | 75 |
| 300 | Radio frequency | 3 | 32 | 695 | 895 |
| 300 | Pollution | 3 | 32 | 6.1K | 8.4K |
| 306 | Psychiatry | 3 | 31 | 5.8K | 7.4K |
| 306 | Environmental Policy | 2 | 31 | 4.2K | 5.5K |
| 306 | Biological Systems | 1 | 31 | 1.7K | 1.4K |
| 309 | Electromagnetic compatibility | 6 | 29 | 270 | 580 |
| 309 | Photochemistry | 1 | 29 | 2.9K | 2.7K |
| 309 | Cell differentiation | 2 | 29 | 2.7K | 3.8K |
| 309 | Photobiology | 1 | 29 | 2.0K | 1.9K |
| 309 | Plastics | 6 | 29 | 1.4K | 2.5K |
| 309 | Cell cycle | 2 | 29 | 537 | 761 |
| 309 | cell proliferation | 2 | 29 | 604 | 817 |
| 316 | Economics | 7 | 28 | 3.3K | 4.6K |
| 316 | Structural design | 5 | 28 | 443 | 1.0K |
| 316 | Terahertz Technology | 1 | 28 | 317 | 314 |
| 316 | Sonochemistry | 1 | 28 | 1.0K | 1.4K |
| 316 | infection | 1 | 28 | 3.3K | 3.3K |
| 316 | Porous materials | 3 | 28 | 898 | 1.2K |
| 316 | Therapeutics | 2 | 28 | 3.0K | 4.0K |
| 316 | Europe | 3 | 28 | 4.3K | 4.8K |
| 324 | Social Sciences | 6 | 27 | 3.2K | 4.6K |
| 324 | Fluid Mechanics | 1 | 27 | 3.4K | 2.7K |
| 324 | Psychometrics | 4 | 27 | 371 | 678 |
| 327 | Pharmacology | 1 | 26 | 8.8K | 8.5K |
| 327 | Drug targeting | 1 | 26 | 753 | 888 |
| 327 | Drug delivery systems | 1 | 26 | 2.6K | 2.9K |
| 327 | Second Language Acquisition | 1 | 26 | 470 | 426 |
| 327 | city planning | 5 | 26 | 1.2K | 2.2K |
| 327 | drug evaluation | 1 | 26 | 2.8K | 2.8K |
| 333 | Nuclear Medicine | 2 | 25 | 1.5K | 1.7K |
| 333 | Land use | 4 | 25 | 882 | 1.8K |
| 333 | Molecular Imaging | 2 | 25 | 1.1K | 1.6K |
| 333 | Mass Spectrometry | 2 | 25 | 1.9K | 2.4K |
| 333 | Aerosols | 1 | 25 | 789 | 810 |
| 333 | Strategic planning | 2 | 25 | 987 | 1.3K |
| 333 | hazard mitigation | 1 | 25 | 1.9K | 1.9K |
| 333 | Medical innovations | 2 | 25 | 1.6K | 3.0K |
| 333 | natural disasters | 1 | 25 | 2.5K | 2.5K |
| 333 | Catalysts | 3 | 25 | 775 | 1.2K |
| 343 | Geography | 5 | 24 | 2.0K | 3.5K |
| 343 | Educational Technology | 6 | 24 | 1.1K | 2.4K |
| 343 | Computational Linguistics | 2 | 24 | 786 | 716 |
| 343 | Simulation Methods | 2 | 24 | 652 | 712 |
| 343 | Evolutionary Computation | 1 | 24 | 764 | 916 |
| 348 | Functional Analysis | 1 | 23 | 1.3K | 870 |
| 348 | Medical Microbiology | 1 | 23 | 4.5K | 5.1K |
| 348 | Noise | 2 | 23 | 198 | 214 |
| 348 | Sound | 2 | 23 | 1.6K | 1.6K |
| 352 | Industrial Microbiology | 2 | 22 | 2.9K | 4.2K |
| 352 | Environmental monitoring | 1 | 22 | 6.2K | 6.7K |
| 352 | Computational Complexity | 3 | 22 | 1.0K | 1.3K |
| 352 | energy resources | 1 | 22 | 1.4K | 1.9K |
| 356 | Environmental Engineering | 2 | 21 | 5.5K | 7.0K |
| 356 | Metallurgy | 4 | 21 | 2.3K | 3.3K |
| 356 | Superconductors | 5 | 21 | 833 | 1.3K |
| 356 | Radiation | 5 | 21 | 1.7K | 3.3K |
| 356 | Attention | 1 | 21 | 1.2K | 1.1K |
| 361 | Geometry | 3 | 20 | 1.3K | 1.3K |
| 361 | data protection | 3 | 20 | 463 | 809 |
| 363 | Environmental Science | 1 | 19 | 42 | 46 |
| 363 | Nondestructive testing | 5 | 19 | 454 | 996 |
| 363 | Research Design | 2 | 19 | 1.7K | 2.7K |
| 363 | Liposomes | 2 | 19 | 788 | 1.2K |
| 363 | biological factors | 1 | 19 | 3.9K | 4.1K |
| 363 | Lipid bilayers | 2 | 19 | 634 | 929 |
| 369 | Genetics | 1 | 18 | 7.1K | 7.7K |
| 369 | Toxicology | 2 | 18 | 6.4K | 8.5K |
| 369 | Transportation | 4 | 18 | 1.3K | 2.4K |
| 369 | Chromosome mapping | 2 | 18 | 2.9K | 4.4K |
| 369 | Interfaces | 1 | 18 | 241 | 266 |
| 369 | Zeolites | 1 | 18 | 746 | 1.0K |
| 369 | bioluminescence | 4 | 18 | 316 | 701 |
| 369 | optical pattern recognition | 2 | 18 | 199 | 213 |
| 369 | Roads | 2 | 18 | 992 | 1.1K |
| 369 | gene mapping | 2 | 18 | 3.1K | 4.8K |
| 369 | impact | 1 | 18 | 250 | 369 |
| 380 | Applied Mathematics | 11 | 17 | 386 | 1.2K |
| 380 | Electrophoresis | 3 | 17 | 2.1K | 3.5K |
| 380 | Coding Theory | 2 | 17 | 501 | 561 |
| 380 | scientific societies | 1 | 17 | 1.7K | 2.0K |
| 380 | Muscle contraction | 1 | 17 | 746 | 475 |
| 385 | Obstetrics | 1 | 16 | 4.7K | 5.0K |
| 385 | Queuing Theory | 1 | 16 | 340 | 334 |
| 385 | Green Technology | 1 | 16 | 992 | 1.1K |
| 385 | Pregnancy | 1 | 16 | 1.9K | 2.0K |
| 389 | Ecology | 1 | 15 | 9.9K | 11.2K |
| 389 | Biostatistics | 2 | 15 | 254 | 318 |
| 389 | Neuroimaging | 1 | 15 | 612 | 730 |
| 389 | Raman spectroscopy | 2 | 15 | 1.0K | 1.7K |
| 389 | mental processes | 1 | 15 | 719 | 778 |
| 394 | Applied Linguistics | 2 | 14 | 843 | 985 |
| 394 | reasoning | 1 | 14 | 377 | 428 |
| 394 | Microscopy | 8 | 14 | 1.4K | 3.3K |
| 397 | Cognitive Psychology | 1 | 13 | 797 | 787 |
| 397 | Crystallography | 8 | 13 | 1.4K | 2.6K |
| 397 | United States | 2 | 13 | 8.6K | 10.4K |
| 397 | Cognition | 1 | 13 | 2.9K | 3.4K |
| 401 | Plant Genetics | 1 | 12 | 1.4K | 1.9K |
| 401 | Pharmaceutical Technology | 1 | 12 | 2.9K | 3.5K |
| 401 | Microfabrication | 1 | 12 | 816 | 1.1K |
| 401 | Synchrotron Radiation | 3 | 12 | 499 | 975 |
| 401 | phenomics | 1 | 12 | 116 | 144 |
| 401 | catalytic activity | 1 | 12 | 1.2K | 1.5K |
| 407 | Environmental Geology | 2 | 11 | 2.0K | 3.1K |
| 407 | Electromagnetic fields | 5 | 11 | 242 | 651 |
| 409 | Neurology | 6 | 10 | 5.1K | 9.9K |
| 409 | Neurochemistry | 3 | 10 | 2.8K | 5.0K |
| 409 | Supply Chain Management | 2 | 10 | 85 | 256 |
| 409 | Number Theory | 6 | 10 | 484 | 1.1K |
| 409 | Structural health monitoring | 2 | 10 | 270 | 635 |
| 409 | Neurophysiology | 3 | 10 | 3.2K | 5.7K |
| 409 | nuclear magnetic resonance | 1 | 10 | 1.9K | 2.1K |
| 409 | structural stability | 2 | 10 | 525 | 1.0K |
| 409 | Magnetic Resonance Spectroscopy | 1 | 10 | 2.1K | 2.4K |
| 418 | Meteorology | 2 | 9 | 3.2K | 5.0K |
| 418 | Climatology | 2 | 9 | 2.4K | 3.9K |
| 418 | Hydrology | 2 | 9 | 3.4K | 4.9K |
| 418 | bioclimatology | 2 | 9 | 1.4K | 2.5K |
| 418 | Biomolecules | 1 | 9 | 1.1K | 1.6K |
| 423 | Nanoelectronics | 4 | 8 | 531 | 1.3K |
| 423 | Decision Support Systems | 2 | 8 | 422 | 923 |
| 423 | Quality Assurance | 3 | 8 | 323 | 1.1K |
| 423 | Multilingualism | 1 | 8 | 584 | 716 |
| 423 | Happiness | 1 | 8 | 920 | 1.4K |
| 423 | cultural pluralism | 1 | 8 | 740 | 943 |
| 423 | Nanotubes | 2 | 8 | 307 | 622 |
| 430 | Biomechanics | 3 | 7 | 1.7K | 3.5K |
| 430 | Superconductivity | 1 | 7 | 619 | 808 |
| 430 | Business | 1 | 7 | 3.5K | 3.8K |
| 430 | health services | 1 | 7 | 2.4K | 3.3K |
| 430 | Aging | 2 | 7 | 4.4K | 6.1K |
| 430 | Cancer | 1 | 7 | 6.7K | 7.8K |
| 436 | Pathology | 1 | 6 | 4.6K | 6.0K |
| 436 | air quality management | 1 | 6 | 854 | 1.5K |
| 436 | Diagnosis | 1 | 6 | 1.5K | 2.1K |
| 436 | Child welfare | 1 | 6 | 2.0K | 2.8K |
| 436 | Gerontology | 1 | 6 | 4.1K | 4.6K |
| 436 | Teaching | 1 | 6 | 3.1K | 3.4K |
| 436 | Semantic web | 2 | 6 | 145 | 492 |
| 436 | Adolescent | 1 | 6 | 4.4K | 5.3K |
| 436 | indoor air pollution | 1 | 6 | 943 | 1.5K |
| 436 | disease susceptibility | 1 | 6 | 933 | 1.5K |
| 436 | Ventilation | 1 | 6 | 1.2K | 1.8K |
| 436 | Social work | 1 | 6 | 2.8K | 3.4K |
| 436 | Sick building syndrome | 1 | 6 | 943 | 1.5K |
| 436 | biochemical markers | 1 | 6 | 2.0K | 2.8K |
| 436 | infrared technology | 6 | 6 | 163 | 556 |
| 436 | symptoms | 1 | 6 | 933 | 1.5K |
| 452 | Sustainable Development | 3 | 5 | 2.1K | 4.8K |
| 452 | Cartography | 2 | 5 | 696 | 1.2K |
| 452 | Production Engineering | 3 | 5 | 2.2K | 4.1K |
| 452 | Machine Learning | 2 | 5 | 511 | 1.1K |
| 452 | health services accessibility | 1 | 5 | 2.0K | 2.5K |
| 452 | food technology | 1 | 5 | 3.9K | 5.2K |
| 452 | Computer-Aided Design | 1 | 5 | 2.1K | 2.8K |
| 452 | Geodesy | 2 | 5 | 890 | 1.6K |
| 452 | Socioeconomic Factors | 1 | 5 | 1.7K | 2.7K |
| 452 | International Education | 1 | 5 | 499 | 790 |
| 452 | Ferroelectricity | 2 | 5 | 1.5K | 2.3K |
| 452 | Entrepreneurship | 3 | 5 | 923 | 2.2K |
| 452 | Spectroscopy | 2 | 5 | 339 | 650 |
| 452 | India | 3 | 5 | 2.4K | 4.0K |
| 466 | Education | 1 | 4 | 7.4K | 7.8K |
| 466 | Economic History | 4 | 4 | 3.6K | 6.2K |
| 466 | Municipal Engineering | 1 | 4 | 818 | 1.5K |
| 466 | Heterocyclic chemistry | 1 | 4 | 1.2K | 1.5K |
| 466 | Integrative Medicine | 1 | 4 | 675 | 1.0K |
| 466 | Supramolecular chemistry | 2 | 4 | 371 | 871 |
| 466 | Asymmetric synthesis | 1 | 4 | 352 | 507 |
| 466 | educational statistics | 1 | 4 | 197 | 314 |
| 466 | Combinatorial analysis | 2 | 4 | 1.2K | 1.6K |
| 466 | Metals | 1 | 4 | 3.3K | 4.1K |
| 476 | Humanities | 5 | 3 | 1.6K | 4.1K |
| 476 | Civil Engineering | 1 | 3 | 3.2K | 3.8K |
| 476 | Structural Engineering | 1 | 3 | 2.3K | 3.0K |
| 476 | Orthopedics | 1 | 3 | 3.2K | 4.2K |
| 476 | Early Childhood Education | 1 | 3 | 1.0K | 1.5K |
| 476 | Higher Education | 1 | 3 | 1.1K | 1.6K |
| 476 | Language Acquisition | 1 | 3 | 984 | 1.4K |
| 476 | Architectural Design | 1 | 3 | 894 | 1.2K |
| 476 | Orthopedic Surgery | 1 | 3 | 1.9K | 2.6K |
| 476 | Graphene | 1 | 3 | 314 | 620 |
| 476 | global environmental change | 1 | 3 | 1.6K | 2.5K |
| 476 | Data Warehousing | 3 | 3 | 26 | 236 |
| 476 | East Asia | 1 | 3 | 1.7K | 1.7K |
| 476 | Solutions | 1 | 3 | 817 | 1.2K |
| 476 | North America | 1 | 3 | 1.5K | 2.3K |
| 476 | finance | 1 | 3 | 3.4K | 4.1K |
| 476 | Instructional systems | 1 | 3 | 339 | 616 |
| 476 | environmental issues | 1 | 3 | 1.0K | 1.7K |
| 494 | Graph Theory | 1 | 2 | 1.4K | 1.7K |
| 494 | Genetic engineering | 1 | 2 | 4.0K | 5.7K |
| 494 | Quality Management | 1 | 2 | 446 | 784 |
| 494 | Manufacturing Processes | 1 | 2 | 3.6K | 4.7K |
| 494 | Product Design | 1 | 2 | 598 | 1.1K |
| 494 | Stochastic Processes | 2 | 2 | 1.3K | 2.5K |
| 494 | Psychopharmacology | 3 | 2 | 2.1K | 4.3K |
| 494 | Operator theory | 1 | 2 | 874 | 1.1K |
| 494 | Tourism | 2 | 2 | 1.8K | 3.4K |
| 494 | Molecular cloning | 1 | 2 | 2.5K | 3.8K |
| 494 | Genetic recombination | 1 | 2 | 2.5K | 3.7K |
| 494 | Neuropharmacology | 3 | 2 | 857 | 2.1K |
| 494 | Semiotics | 1 | 2 | 778 | 822 |
| 494 | nucleic acids | 1 | 2 | 3.4K | 4.8K |
| 494 | Mechanics | 1 | 2 | 2.4K | 3.3K |
| 494 | innovation | 1 | 2 | 1.1K | 1.9K |
| 494 | research and development | 1 | 2 | 851 | 1.4K |
| 494 | Recombinant DNA | 1 | 2 | 2.7K | 4.0K |
| 494 | Metrology | 1 | 2 | 288 | 491 |
| 494 | educational innovations | 1 | 2 | 932 | 1.5K |
| 494 | Menopause | 1 | 2 | 850 | 1.4K |
| 515 | Occupational Therapy | 1 | 1 | 2.4K | 3.4K |
| 515 | Nuclear Engineering | 1 | 1 | 2.5K | 3.4K |
| 515 | Occupational Health | 1 | 1 | 2.7K | 3.8K |
| 515 | Photography | 1 | 1 | 3.1K | 3.4K |
| 515 | Community Psychiatry | 1 | 1 | 2.4K | 3.7K |
| 515 | Regional Planning | 1 | 1 | 2.8K | 4.0K |
| 515 | Industrial Safety | 1 | 1 | 2.1K | 3.2K |
| 515 | Nuclear Chemistry | 2 | 1 | 1.4K | 2.8K |
| 515 | economic indicators | 1 | 1 | 273 | 560 |
| 515 | Radiochemistry | 2 | 1 | 1.5K | 3.0K |
| 515 | industrial hygiene | 1 | 1 | 2.7K | 3.9K |
| 515 | Distributed Databases | 1 | 1 | 366 | 645 |
| 515 | Medical Ethics | 1 | 1 | 2.7K | 4.0K |
| 515 | economic policy | 2 | 1 | 3.3K | 5.4K |
| 515 | Access to Information | 2 | 1 | 234 | 986 |
| 515 | air quality | 1 | 1 | 593 | 1.3K |
| 515 | Information management | 1 | 1 | 255 | 658 |
| 515 | Asia | 4 | 1 | 2.7K | 7.3K |
| 515 | Central Asia | 1 | 1 | 560 | 1.1K |
| 515 | technical education | 1 | 1 | 1.2K | 2.0K |
| 515 | commerce | 1 | 1 | 2.6K | 3.6K |
| 515 | College | 1 | 1 | 261 | 156 |
| 515 | Information dissemination | 2 | 1 | 234 | 986 |
| 515 | shipbuilding | 1 | 1 | 218 | 324 |
| 539 | Literature | 1 | 0 | 1.6K | 1.6K |
| 539 | Hematology | 1 | 0 | 5.8K | 7.0K |
| 539 | Geomorphology | 1 | 0 | 1.6K | 2.5K |
| 539 | Neuropsychology | 1 | 0 | 4.0K | 5.9K |
| 539 | Neuropsychiatry | 2 | 0 | 1.5K | 3.1K |
| 539 | Crime prevention | 1 | 0 | 589 | 1.1K |
| 539 | Inorganic Chemistry | 1 | 0 | 294 | 778 |
| 539 | Systems Biology | 1 | 0 | 3.4K | 5.2K |
| 539 | Sociolinguistics | 1 | 0 | 1.0K | 1.5K |
| 539 | Genomics | 2 | 0 | 4.9K | 8.5K |
| 539 | Atmospheric Chemistry | 1 | 0 | 1.6K | 2.5K |
| 539 | Atmospheric Physics | 2 | 0 | 2.0K | 3.8K |
| 539 | Health Education | 1 | 0 | 3.9K | 6.0K |
| 539 | health behavior | 1 | 0 | 2.2K | 3.6K |
| 539 | Forecasting | 1 | 0 | 965 | 1.7K |
| 539 | Thrombosis | 1 | 0 | 2.4K | 3.6K |
| 539 | Liquid Crystals | 1 | 0 | 1.7K | 2.5K |
| 539 | Energy Consumption | 2 | 0 | 524 | 1.5K |
| 539 | preventive medicine | 1 | 0 | 2.7K | 4.3K |
| 539 | Urban Transportation | 1 | 0 | 396 | 845 |
| 539 | Health | 1 | 0 | 5.0K | 7.7K |
| 539 | Diffusion of innovations | 1 | 0 | 332 | 801 |
| 539 | Fixed Point Theory | 2 | 0 | 471 | 1.1K |
| 539 | social development | 1 | 0 | 42 | 64 |
| 539 | Production Management | 1 | 0 | 1.5K | 2.5K |
| 539 | Health promotion | 1 | 0 | 3.4K | 5.4K |
| 539 | marketing | 1 | 0 | 2.7K | 4.1K |
| 539 | vascular diseases | 1 | 0 | 1.7K | 2.7K |
| 539 | welfare | 1 | 0 | 16 | 26 |
| 539 | Middle East | 1 | 0 | 1.9K | 2.5K |
| 539 | international cooperation | 1 | 0 | 1.4K | 2.4K |
