| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Signal Processing | 1,533 | 40,551 | 4 | 13 |
| 2 | Wireless Communication Systems | 1,426 | 33,581 | 2 | 2 |
| 3 | Image Processing | 724 | 23,298 | 5 | 14 |
| 4 | Telecommunication | 694 | 17,303 | 17 | 41 |
| 5 | Electromagnetism | 611 | 15,966 | 2 | 1 |
| 6 | Artificial Intelligence | 719 | 15,770 | 22 | 79 |
| 7 | Boundary Value Problems | 562 | 15,521 | 1 | 1 |
| 8 | Antenna Arrays | 558 | 15,491 | 1 | 1 |
| 9 | Radio | 556 | 13,365 | 9 | 26 |
| 10 | Electronics | 1,287 | 13,286 | 16 | 79 |
| 11 | Optics | 1,392 | 12,559 | 30 | 144 |
| 12 | Radio waves | 495 | 12,520 | 5 | 7 |
| 13 | Nanotechnology | 401 | 11,655 | 297 | 472 |
| 14 | internet | 451 | 10,094 | 3 | 3 |
| 15 | Internet of Things | 449 | 10,010 | 3 | 3 |
| 16 | Cybernetics | 219 | 9,239 | 20 | 18 |
| 17 | Physics | 776 | 8,781 | 528 | 2.1K |
| 18 | Automation | 266 | 7,975 | 37 | 78 |
| 19 | Electrical Engineering | 607 | 7,416 | 73 | 68 |
| 20 | Materials | 255 | 7,310 | 588 | 744 |
| 21 | Information Technology | 336 | 6,634 | 9 | 27 |
| 22 | Microwaves | 757 | 6,411 | 2 | 25 |
| 23 | Research | 401 | 6,233 | 663 | 1.3K |
| 24 | Evolutionary Computation | 74 | 5,881 | 7 | 13 |
| 25 | computer networks | 316 | 5,800 | 11 | 43 |
| 26 | Genetic algorithms | 69 | 5,692 | 6 | 14 |
| 27 | Neural circuitry | 262 | 5,209 | 8 | 22 |
| 28 | Science | 316 | 5,207 | 1.0K | 2.8K |
| 29 | Telecommunication Systems | 395 | 5,010 | 3 | 7 |
| 30 | Materials Science | 205 | 4,618 | 491 | 704 |
| 31 | Chemistry | 143 | 4,599 | 2.1K | 2.2K |
| 32 | Communication | 66 | 4,395 | 255 | 93 |
| 33 | Nanostructured Materials | 137 | 4,316 | 389 | 411 |
| 34 | Control Theory | 173 | 4,235 | 62 | 68 |
| 35 | nanoscience | 114 | 4,048 | 373 | 471 |
| 36 | Medicine | 158 | 3,964 | 2.0K | 2.6K |
| 37 | Optical materials | 122 | 3,947 | 243 | 338 |
| 38 | Systems Engineering | 218 | 3,904 | 37 | 55 |
| 39 | Information Science | 112 | 3,885 | 45 | 33 |
| 40 | Photonics | 206 | 3,737 | 90 | 262 |
| 41 | Navigation | 239 | 3,517 | 1 | 1 |
| 42 | radar | 238 | 3,508 | 1 | 3 |
| 43 | Sonar | 237 | 3,505 | 1 | 1 |
| 44 | Intelligent Transportation Systems | 138 | 3,467 | 24 | 26 |
| 45 | Biomedical Engineering | 145 | 3,312 | 477 | 642 |
| 46 | Biocompatible Materials | 117 | 3,185 | 583 | 846 |
| 47 | Detectors | 226 | 3,164 | 12 | 12 |
| 48 | Fuzzy systems | 166 | 2,808 | 9 | 16 |
| 49 | Statistical physics | 184 | 2,712 | 451 | 651 |
| 50 | Biology | 123 | 2,619 | 2.1K | 3.8K |
| 51 | Parallel Processing | 34 | 2,510 | 46 | 20 |
| 52 | System analysis | 124 | 2,473 | 77 | 100 |
| 53 | Optical Communications | 141 | 2,472 | 16 | 15 |
| 54 | Neurology | 58 | 2,451 | 1.8K | 1.8K |
| 55 | Bioinformatics | 115 | 2,393 | 197 | 493 |
| 56 | Computational Biology | 134 | 2,381 | 240 | 605 |
| 57 | Computer Vision | 60 | 2,349 | 53 | 127 |
| 58 | Mobile Computing | 136 | 2,137 | 14 | 55 |
| 59 | China | 267 | 2,128 | 100 | 182 |
| 60 | Radio wave propagation | 285 | 2,006 | 2 | 14 |
| 61 | Solid State Physics | 99 | 1,909 | 897 | 1.0K |
| 62 | Microwave devices | 107 | 1,885 | 11 | 22 |
| 63 | microwave communication systems | 108 | 1,884 | 10 | 17 |
| 64 | Engineering Mathematics | 173 | 1,872 | 81 | 161 |
| 65 | Multimedia Systems | 225 | 1,859 | 14 | 45 |
| 66 | Information Theory | 91 | 1,824 | 92 | 171 |
| 67 | Mathematics | 321 | 1,739 | 459 | 756 |
| 68 | fuel cells | 31 | 1,673 | 345 | 323 |
| 69 | Biophysics | 77 | 1,604 | 1.5K | 1.6K |
| 70 | Condensed Matter | 73 | 1,531 | 1.0K | 1.1K |
| 71 | Catalysis | 42 | 1,509 | 1.1K | 1.1K |
| 72 | Molecular Biology | 66 | 1,487 | 2.6K | 3.5K |
| 73 | Engineering | 132 | 1,473 | 279 | 503 |
| 74 | Nervous system | 47 | 1,435 | 616 | 874 |
| 75 | biological evolution | 9 | 1,364 | 1.4K | 741 |
| 76 | Evolution | 7 | 1,347 | 1.6K | 654 |
| 77 | Information Systems | 21 | 1,279 | 289 | 119 |
| 78 | Medical Physics | 55 | 1,278 | 411 | 468 |
| 79 | Analytical Chemistry | 70 | 1,247 | 1.1K | 1.4K |
| 80 | Robotics | 48 | 1,246 | 243 | 238 |
| 81 | actuators | 27 | 1,238 | 225 | 140 |
| 81 | transducers | 27 | 1,238 | 225 | 140 |
| 83 | Mathematical Physics | 76 | 1,196 | 465 | 513 |
| 84 | lasers | 108 | 1,110 | 170 | 298 |
| 85 | Computational Intelligence | 72 | 1,100 | 18 | 39 |
| 86 | Semiconductors | 180 | 1,095 | 13 | 49 |
| 86 | Nanoparticles | 58 | 1,095 | 250 | 484 |
| 88 | Quantum electronics | 86 | 1,094 | 161 | 244 |
| 89 | Computer Science | 171 | 1,085 | 27 | 179 |
| 90 | Magnetic Materials | 67 | 1,057 | 176 | 319 |
| 91 | Microelectronics | 61 | 1,054 | 298 | 706 |
| 92 | Power Electronics | 66 | 1,024 | 125 | 282 |
| 93 | microwave antennas | 106 | 1,019 | 4 | 15 |
| 94 | Biotechnology | 59 | 1,010 | 1.7K | 2.8K |
| 95 | Bioengineering | 49 | 992 | 1.1K | 2.0K |
| 96 | Diagnostic Imaging | 108 | 988 | 157 | 550 |
| 97 | Spectrum analysis | 76 | 987 | 743 | 1.3K |
| 98 | Nuclear Physics | 74 | 942 | 1.3K | 1.7K |
| 99 | Cloud Computing | 50 | 924 | 2 | 9 |
| 99 | Nonlinear systems | 39 | 924 | 64 | 69 |
| 101 | Chemical Engineering | 21 | 881 | 1.9K | 1.6K |
| 102 | miniaturization | 44 | 865 | 437 | 928 |
| 103 | optical devices | 27 | 861 | 51 | 19 |
| 104 | Remote Sensing | 31 | 809 | 104 | 97 |
| 105 | Computer Graphics | 67 | 781 | 164 | 351 |
| 106 | vibration | 37 | 780 | 131 | 140 |
| 107 | brain mapping | 27 | 774 | 188 | 300 |
| 108 | Technology | 112 | 753 | 409 | 1.2K |
| 109 | Manufacturing Processes | 36 | 713 | 460 | 477 |
| 110 | Interactive multimedia | 101 | 710 | 7 | 21 |
| 111 | Energy Conversion | 23 | 709 | 416 | 691 |
| 112 | Numerical Analysis | 95 | 706 | 158 | 469 |
| 113 | Production Engineering | 35 | 705 | 398 | 376 |
| 114 | Medical Laboratory Science | 21 | 704 | 810 | 900 |
| 115 | Fiber Optics | 63 | 703 | 89 | 210 |
| 116 | Radiation | 51 | 701 | 206 | 400 |
| 117 | Dynamics | 70 | 698 | 104 | 243 |
| 118 | multimedia | 100 | 695 | 4 | 19 |
| 119 | Integrated Circuits | 113 | 694 | 8 | 17 |
| 120 | Structural dynamics | 20 | 689 | 207 | 195 |
| 121 | radiative transfer | 48 | 685 | 9 | 28 |
| 122 | Human-Computer Interaction | 39 | 675 | 167 | 305 |
| 123 | Composite Materials | 30 | 660 | 489 | 588 |
| 124 | Energy Storage | 20 | 629 | 434 | 403 |
| 125 | Mechanical Engineering | 88 | 628 | 231 | 403 |
| 126 | Nanostructures | 40 | 609 | 324 | 928 |
| 127 | Energy Policy | 14 | 598 | 618 | 589 |
| 128 | Biochemistry | 40 | 594 | 3.7K | 4.7K |
| 129 | Technological Innovations | 22 | 586 | 153 | 103 |
| 130 | Radiography | 14 | 585 | 420 | 428 |
| 131 | Cryptography | 73 | 565 | 14 | 61 |
| 132 | Carbon | 13 | 552 | 280 | 305 |
| 133 | Electromagnetic waves | 51 | 548 | 1 | 6 |
| 134 | infrared radiation | 95 | 545 | 7 | 20 |
| 135 | nuclear magnetic resonance | 8 | 537 | 742 | 351 |
| 135 | Magnetic Resonance Spectroscopy | 8 | 537 | 833 | 360 |
| 137 | Mechatronics | 43 | 516 | 62 | 173 |
| 138 | Ceramics | 21 | 513 | 612 | 580 |
| 139 | Electrochemistry | 37 | 507 | 1.1K | 1.3K |
| 140 | Telecommunications | 31 | 500 | 52 | 49 |
| 141 | Systems Analysis | 39 | 499 | 104 | 216 |
| 142 | Behavior | 6 | 495 | 2.6K | 1.7K |
| 143 | energy conservation | 7 | 491 | 1.1K | 672 |
| 144 | Nonlinear Dynamics | 17 | 490 | 1.2K | 1.0K |
| 145 | Visual Communication | 40 | 487 | 3 | 5 |
| 145 | Image enhancement | 40 | 487 | 2 | 4 |
| 147 | Atomic spectroscopy | 19 | 486 | 291 | 239 |
| 148 | Cerebral cortex | 18 | 477 | 374 | 556 |
| 149 | Measurement | 30 | 475 | 109 | 167 |
| 150 | Quantum Optics | 18 | 469 | 285 | 242 |
| 150 | Laser Spectroscopy | 18 | 469 | 252 | 216 |
| 152 | Imaging systems | 68 | 460 | 3 | 19 |
| 153 | Cognitive Radio Networks | 32 | 458 | 4 | 13 |
| 154 | Electromagnetic compatibility | 39 | 457 | 25 | 72 |
| 155 | Surface Chemistry | 25 | 452 | 1.3K | 1.7K |
| 156 | Glass | 17 | 446 | 508 | 567 |
| 156 | pottery | 17 | 446 | 494 | 562 |
| 158 | Colloids | 20 | 438 | 1.5K | 1.9K |
| 159 | management | 19 | 437 | 1.2K | 1.3K |
| 160 | Renewable Energy Sources | 9 | 436 | 1.0K | 1.2K |
| 161 | mathematical analysis | 62 | 432 | 283 | 390 |
| 162 | Social Sciences | 15 | 417 | 1.8K | 1.1K |
| 163 | Biochemical Engineering | 8 | 412 | 1.8K | 2.2K |
| 164 | Substance Abuse | 11 | 408 | 883 | 641 |
| 165 | Intelligent Control Systems | 52 | 405 | 62 | 153 |
| 166 | big data | 26 | 404 | 21 | 74 |
| 167 | Brain | 14 | 403 | 1.4K | 1.5K |
| 168 | reasoning | 8 | 399 | 32 | 14 |
| 169 | Computational Complexity | 41 | 397 | 42 | 94 |
| 170 | Cognitive Science | 22 | 396 | 436 | 764 |
| 171 | Wireless Communication | 29 | 380 | 20 | 47 |
| 172 | Combinatorial optimization | 42 | 378 | 17 | 36 |
| 173 | Operations Research | 44 | 375 | 390 | 859 |
| 174 | pain | 8 | 374 | 1.2K | 1.1K |
| 175 | Social Change | 7 | 373 | 290 | 260 |
| 176 | Systems Theory | 12 | 371 | 136 | 41 |
| 177 | Psychology | 14 | 369 | 3.1K | 2.9K |
| 177 | Data Mining | 31 | 369 | 244 | 761 |
| 179 | Computer Engineering | 28 | 363 | 41 | 72 |
| 179 | Entropy | 59 | 363 | 45 | 188 |
| 181 | Solid State Chemistry | 28 | 361 | 469 | 654 |
| 182 | Green Chemistry | 15 | 358 | 891 | 1.2K |
| 183 | Geophysics | 39 | 352 | 1.2K | 2.1K |
| 183 | Computer-Aided Design | 15 | 352 | 347 | 375 |
| 185 | Database Security | 40 | 350 | 2 | 3 |
| 186 | Sustainable Engineering | 11 | 344 | 931 | 980 |
| 187 | nucleic acids | 6 | 342 | 1.8K | 1.7K |
| 188 | Solar Energy | 15 | 339 | 232 | 356 |
| 189 | Oncology | 5 | 329 | 2.3K | 2.1K |
| 189 | Neurophysiology | 14 | 329 | 1.7K | 2.1K |
| 191 | Adaptive control systems | 27 | 325 | 81 | 132 |
| 191 | Psychophysiology | 12 | 325 | 1.7K | 2.0K |
| 193 | extraterrestrial environment | 20 | 319 | 34 | 54 |
| 193 | astronomical phenomena | 20 | 319 | 30 | 42 |
| 195 | Algorithms | 25 | 315 | 51 | 132 |
| 196 | Microstructure | 37 | 304 | 13 | 39 |
| 197 | genome | 23 | 301 | 639 | 1.7K |
| 198 | Astrophysics | 36 | 295 | 1.2K | 2.0K |
| 199 | Genomics | 17 | 292 | 1.7K | 2.5K |
| 200 | human behavior | 4 | 282 | 2.3K | 1.7K |
| 201 | Neurochemistry | 10 | 272 | 1.6K | 1.8K |
| 202 | Schizophrenia | 5 | 271 | 918 | 761 |
| 203 | Systems Biology | 10 | 268 | 1.0K | 877 |
| 204 | Neuropsychology | 6 | 264 | 1.9K | 1.6K |
| 205 | Transportation | 7 | 262 | 968 | 736 |
| 206 | Astronomy | 25 | 261 | 1.3K | 1.8K |
| 207 | health planning | 22 | 256 | 371 | 679 |
| 208 | Biosensors | 10 | 255 | 617 | 1.1K |
| 209 | Fluid Mechanics | 18 | 253 | 893 | 1.1K |
| 210 | Ceramic materials | 15 | 242 | 320 | 392 |
| 211 | Alternative Medicine | 13 | 237 | 923 | 1.1K |
| 211 | complementary therapies | 13 | 237 | 993 | 1.1K |
| 213 | Psychiatry | 18 | 232 | 2.6K | 3.8K |
| 213 | Mobile Commerce | 26 | 232 | 12 | 9 |
| 215 | Database Management | 14 | 228 | 271 | 399 |
| 216 | Quantum Gravity | 9 | 226 | 1.5K | 1.4K |
| 217 | World Wide Web | 15 | 223 | 58 | 98 |
| 218 | infrared technology | 68 | 220 | 11 | 35 |
| 219 | Swarm Intelligence | 8 | 219 | 21 | 77 |
| 220 | Molecular Spectroscopy | 16 | 218 | 471 | 748 |
| 221 | Nuclear Engineering | 18 | 215 | 652 | 651 |
| 222 | Aerospace Engineering | 46 | 214 | 26 | 56 |
| 223 | Structural optimization | 20 | 212 | 80 | 214 |
| 223 | biocatalysis | 1 | 212 | 405 | 322 |
| 223 | Homogeneous catalysis | 1 | 212 | 405 | 322 |
| 223 | Heterogeneous catalysis | 1 | 212 | 405 | 322 |
| 227 | Information Retrieval | 7 | 206 | 261 | 295 |
| 228 | Radio frequency | 34 | 195 | 61 | 275 |
| 229 | Mechanics | 10 | 194 | 719 | 596 |
| 230 | Obesity | 6 | 190 | 1.9K | 2.1K |
| 231 | Ferroelectricity | 27 | 189 | 281 | 475 |
| 232 | Physical Chemistry | 24 | 187 | 1.0K | 2.0K |
| 233 | Environment | 9 | 186 | 3.6K | 5.5K |
| 234 | Logistics | 5 | 185 | 173 | 141 |
| 235 | Medical Oncology | 11 | 184 | 1.4K | 1.9K |
| 236 | Databases | 7 | 181 | 247 | 260 |
| 237 | Economics | 14 | 175 | 2.4K | 2.4K |
| 238 | Coding Theory | 19 | 169 | 62 | 106 |
| 239 | sustainability | 24 | 168 | 100 | 756 |
| 240 | Genetics | 10 | 163 | 3.0K | 4.5K |
| 241 | Informatics | 4 | 161 | 916 | 747 |
| 242 | Medical Technology | 9 | 160 | 1.1K | 1.4K |
| 243 | Neuroplasticity | 12 | 159 | 100 | 267 |
| 244 | Photography | 181 | 157 | 60 | 297 |
| 244 | Optoelectronics | 51 | 157 | 23 | 89 |
| 244 | Optoelectronic devices | 16 | 157 | 290 | 324 |
| 247 | Computational Linguistics | 11 | 155 | 136 | 147 |
| 247 | Ultrasonics | 19 | 155 | 296 | 960 |
| 247 | Sound | 19 | 155 | 323 | 640 |
| 247 | Ultrasound | 19 | 155 | 180 | 470 |
| 251 | Applied Mathematics | 39 | 154 | 79 | 165 |
| 252 | Medical genetics | 6 | 153 | 2.8K | 3.6K |
| 252 | Radiobiology | 10 | 153 | 1.2K | 1.4K |
| 254 | innovation | 2 | 152 | 773 | 478 |
| 254 | research and development | 2 | 152 | 557 | 312 |
| 256 | Differential Equations | 10 | 148 | 270 | 212 |
| 256 | Statistical Mechanics | 26 | 148 | 201 | 412 |
| 256 | Evidence-Based Medicine | 11 | 148 | 642 | 886 |
| 259 | Pharmacology | 7 | 143 | 4.6K | 5.1K |
| 260 | Atmospheric Physics | 12 | 141 | 877 | 1.5K |
| 261 | Fracture mechanics | 10 | 140 | 530 | 700 |
| 262 | Natural history | 67 | 139 | 865 | 6.7K |
| 263 | Molecular Imaging | 5 | 138 | 721 | 828 |
| 264 | Metals | 3 | 136 | 2.2K | 1.2K |
| 265 | Smart Materials | 16 | 134 | 182 | 491 |
| 266 | micromechanics | 4 | 132 | 456 | 393 |
| 267 | Group decision making | 2 | 131 | 675 | 376 |
| 268 | Nanophotonics | 9 | 130 | 155 | 303 |
| 269 | Industrial Engineering | 34 | 127 | 463 | 1.7K |
| 269 | Earth Sciences | 26 | 127 | 1.1K | 2.4K |
| 271 | Medical innovations | 7 | 126 | 765 | 1.9K |
| 272 | Chromosome mapping | 7 | 125 | 1.5K | 2.2K |
| 272 | energy development | 1 | 125 | 1.7K | 802 |
| 272 | gene mapping | 7 | 125 | 1.7K | 2.6K |
| 275 | Cognitive neuroscience | 12 | 123 | 540 | 1.1K |
| 275 | Europe | 12 | 123 | 2.1K | 2.6K |
| 277 | Tribology | 8 | 120 | 652 | 706 |
| 277 | Structural design | 15 | 120 | 136 | 422 |
| 277 | probabilities | 16 | 120 | 625 | 751 |
| 280 | Neuropsychiatry | 8 | 119 | 710 | 1.0K |
| 281 | Civil Engineering | 19 | 118 | 553 | 772 |
| 282 | finance | 7 | 116 | 1.5K | 1.5K |
| 283 | energy resources | 2 | 115 | 964 | 1.0K |
| 284 | Analytical Biochemistry | 6 | 112 | 1.3K | 1.5K |
| 284 | particles | 3 | 112 | 912 | 567 |
| 286 | Nuclear Medicine | 3 | 109 | 1.3K | 1.1K |
| 287 | phototherapy | 9 | 108 | 62 | 38 |
| 288 | Statistics | 21 | 105 | 1.2K | 2.2K |
| 288 | Nonlinear functional analysis | 10 | 105 | 163 | 285 |
| 288 | Sensor Networks | 9 | 105 | 31 | 117 |
| 291 | human development | 9 | 103 | 446 | 851 |
| 292 | data protection | 11 | 102 | 115 | 271 |
| 293 | Stem cells | 2 | 101 | 2.5K | 2.2K |
| 294 | Materials Engineering | 8 | 100 | 321 | 401 |
| 294 | Molecules | 9 | 100 | 979 | 1.2K |
| 296 | Cell differentiation | 2 | 96 | 2.7K | 2.8K |
| 297 | Tourism | 4 | 94 | 1.3K | 1.3K |
| 297 | Interfaces | 4 | 94 | 47 | 53 |
| 297 | Luminescence | 4 | 94 | 649 | 475 |
| 300 | Nondestructive testing | 5 | 93 | 454 | 393 |
| 301 | radioactive waste | 3 | 90 | 707 | 1.2K |
| 301 | industrial waste | 3 | 90 | 789 | 1.2K |
| 301 | Hazardous waste | 3 | 90 | 905 | 1.3K |
| 304 | Number Theory | 12 | 89 | 277 | 244 |
| 305 | enzymes | 3 | 88 | 1.5K | 1.5K |
| 306 | Functional Analysis | 8 | 87 | 354 | 339 |
| 306 | Quality Control | 8 | 87 | 920 | 1.5K |
| 308 | mass transfer | 5 | 86 | 795 | 973 |
| 308 | Genes | 6 | 86 | 989 | 1.4K |
| 310 | Biometrics | 3 | 85 | 1.4K | 1.2K |
| 311 | Nanoelectronics | 10 | 84 | 252 | 342 |
| 312 | Research Design | 1 | 83 | 2.4K | 1.4K |
| 312 | Production Management | 9 | 83 | 427 | 1.1K |
| 312 | Liposomes | 1 | 83 | 1.1K | 636 |
| 312 | Bioelectronics | 3 | 83 | 1.1K | 1.7K |
| 312 | Lipid bilayers | 1 | 83 | 883 | 531 |
| 317 | Sociology | 8 | 82 | 2.0K | 2.8K |
| 318 | Toxicology | 1 | 80 | 7.8K | 5.6K |
| 318 | Environmental Chemistry | 3 | 80 | 2.8K | 3.0K |
| 318 | drug development | 1 | 80 | 2.4K | 2.2K |
| 318 | drugs | 1 | 80 | 3.9K | 2.3K |
| 322 | machinery | 8 | 78 | 300 | 384 |
| 322 | cell physiology | 4 | 78 | 1.8K | 2.5K |
| 322 | biomedicine | 11 | 78 | 380 | 1.2K |
| 322 | Mental illness | 4 | 78 | 2.5K | 3.1K |
| 326 | Mental Disorders | 6 | 76 | 3.3K | 4.4K |
| 327 | Ophthalmology | 3 | 75 | 2.1K | 2.1K |
| 327 | Algebra | 17 | 75 | 536 | 686 |
| 327 | Vision | 2 | 75 | 801 | 747 |
| 330 | Genetic engineering | 1 | 74 | 4.0K | 3.1K |
| 330 | Genetic regulation | 1 | 74 | 2.4K | 2.0K |
| 330 | cloning | 1 | 74 | 1.5K | 1.4K |
| 333 | solar power | 3 | 73 | 319 | 534 |
| 333 | solar cells | 3 | 73 | 541 | 769 |
| 335 | Probability | 7 | 72 | 581 | 889 |
| 336 | Surface-Active Agents | 5 | 71 | 783 | 1.5K |
| 336 | Surface properties | 5 | 71 | 785 | 1.5K |
| 338 | Structural Engineering | 6 | 70 | 987 | 1.1K |
| 338 | Nanobiotechnology | 7 | 70 | 199 | 735 |
| 340 | Stochastic Processes | 8 | 69 | 536 | 832 |
| 341 | Harmonic Analysis | 2 | 68 | 48 | 48 |
| 341 | Textile industry | 3 | 68 | 655 | 397 |
| 343 | Water quality management | 3 | 67 | 2.3K | 2.2K |
| 344 | Heat Exchangers | 3 | 66 | 584 | 845 |
| 344 | gene therapy | 1 | 66 | 2.5K | 2.0K |
| 344 | Therapeutics | 1 | 66 | 3.9K | 3.1K |
| 344 | Decision making | 10 | 66 | 827 | 1.8K |
| 348 | Fractals | 8 | 65 | 244 | 685 |
| 349 | Aviation | 13 | 62 | 24 | 46 |
| 350 | Software Engineering | 12 | 61 | 510 | 1.1K |
| 351 | Pharmaceutical Chemistry | 8 | 59 | 3.2K | 5.2K |
| 352 | Biological Systems | 6 | 58 | 478 | 1.0K |
| 353 | Flexible electronics | 2 | 57 | 105 | 126 |
| 353 | Ocean Engineering | 3 | 57 | 1.0K | 1.1K |
| 353 | pain management | 2 | 57 | 1.1K | 990 |
| 356 | Earthquake Engineering | 2 | 56 | 1.2K | 1.1K |
| 356 | Clinical Biochemistry | 2 | 56 | 1.7K | 1.6K |
| 356 | Terahertz Technology | 1 | 56 | 317 | 200 |
| 356 | neuronal plasticity | 3 | 56 | 400 | 576 |
| 356 | rehabilitation | 6 | 56 | 2.1K | 3.3K |
| 361 | Oncogenes | 1 | 55 | 2.3K | 2.6K |
| 361 | Crystal growth | 10 | 55 | 624 | 1.5K |
| 363 | Geographic information systems | 5 | 54 | 909 | 1.1K |
| 363 | Superconductors | 5 | 54 | 833 | 920 |
| 365 | Sustainable Development | 3 | 53 | 2.1K | 2.6K |
| 365 | Planets | 6 | 53 | 1.4K | 2.5K |
| 367 | Social Psychology | 2 | 51 | 2.9K | 2.8K |
| 367 | Process Control | 2 | 51 | 465 | 732 |
| 367 | visualization | 7 | 51 | 1.3K | 1.4K |
| 367 | carcinogens | 2 | 51 | 1.7K | 2.0K |
| 371 | Sleep Disorders | 2 | 50 | 2.4K | 2.3K |
| 371 | structural stability | 3 | 50 | 416 | 486 |
| 371 | Cell death | 3 | 50 | 1.6K | 2.4K |
| 371 | Sleep | 2 | 50 | 2.4K | 2.3K |
| 375 | Land use | 1 | 49 | 1.8K | 1.4K |
| 375 | Calculus of Variations | 5 | 49 | 419 | 480 |
| 375 | Fluorescence spectroscopy | 4 | 49 | 264 | 462 |
| 375 | pigments | 2 | 49 | 498 | 535 |
| 379 | Botany | 2 | 48 | 5.0K | 5.1K |
| 379 | Project Management | 1 | 48 | 133 | 212 |
| 379 | Information visualization | 4 | 48 | 139 | 130 |
| 379 | Geospatial data | 4 | 48 | 7 | 34 |
| 383 | Hematology | 3 | 47 | 4.4K | 4.5K |
| 383 | Digital electronics | 7 | 47 | 99 | 177 |
| 383 | Child Development | 1 | 47 | 3.6K | 2.9K |
| 386 | Soft Condensed Matter | 4 | 46 | 1.1K | 1.7K |
| 386 | United States | 3 | 46 | 7.3K | 7.1K |
| 388 | Organic Chemistry | 4 | 45 | 3.2K | 4.0K |
| 389 | Public Policy | 2 | 44 | 2.4K | 2.5K |
| 389 | Hydrodynamics | 2 | 44 | 548 | 550 |
| 389 | Environmental monitoring | 2 | 44 | 5.1K | 5.7K |
| 389 | Fractional Calculus | 1 | 44 | 336 | 199 |
| 389 | Molecular structure | 3 | 44 | 2.6K | 3.0K |
| 394 | Superconductivity | 2 | 43 | 450 | 411 |
| 394 | Nonlinear mechanics | 2 | 43 | 145 | 170 |
| 396 | Proteomics | 4 | 42 | 1.2K | 2.2K |
| 396 | Hydraulic Engineering | 1 | 42 | 1.6K | 1.1K |
| 396 | Natural resources | 1 | 42 | 1.3K | 1.0K |
| 399 | Cytogenetics | 2 | 41 | 2.5K | 3.2K |
| 399 | Social behavior | 4 | 41 | 1.1K | 1.9K |
| 401 | Microwave circuits | 15 | 40 | 18 | 130 |
| 401 | alcoholism | 1 | 40 | 2.9K | 2.5K |
| 401 | drug abuse | 1 | 40 | 1.5K | 1.1K |
| 404 | Geology | 3 | 39 | 3.3K | 3.5K |
| 404 | Polymers | 6 | 39 | 4.1K | 5.8K |
| 404 | Machine Learning | 7 | 39 | 186 | 566 |
| 404 | Raman spectroscopy | 2 | 39 | 1.0K | 1.2K |
| 404 | Membranes | 1 | 39 | 2.3K | 2.3K |
| 409 | Electromagnetic fields | 14 | 38 | 67 | 244 |
| 410 | Cytology | 2 | 37 | 5.9K | 6.9K |
| 410 | Embedded Systems | 4 | 37 | 166 | 264 |
| 410 | Structural health monitoring | 2 | 37 | 270 | 374 |
| 410 | Asia | 3 | 37 | 3.2K | 3.1K |
| 410 | Cancer | 9 | 37 | 3.1K | 6.1K |
| 415 | Andrology | 2 | 36 | 1.1K | 1.2K |
| 415 | Structure-activity relationship | 4 | 36 | 385 | 696 |
| 417 | Expert Systems | 3 | 34 | 205 | 322 |
| 417 | space environment | 4 | 34 | 255 | 409 |
| 419 | Ubiquitous computing | 7 | 33 | 17 | 77 |
| 420 | Nanochemistry | 6 | 32 | 920 | 1.8K |
| 420 | Microprocessors | 5 | 32 | 185 | 470 |
| 420 | Friction | 3 | 32 | 98 | 262 |
| 420 | economic policy | 3 | 32 | 2.7K | 2.6K |
| 420 | Aging | 1 | 32 | 5.5K | 4.4K |
| 425 | Clinical Chemistry | 2 | 31 | 4.0K | 4.9K |
| 425 | Carcinogenesis | 1 | 31 | 2.1K | 2.3K |
| 425 | mutagens | 1 | 31 | 1.8K | 2.1K |
| 428 | Metallurgy | 4 | 30 | 2.3K | 2.9K |
| 428 | Photochemistry | 6 | 30 | 1.2K | 2.7K |
| 428 | Energy Consumption | 1 | 30 | 791 | 833 |
| 428 | Energy Harvesting | 1 | 30 | 832 | 1.1K |
| 428 | Photobiology | 6 | 30 | 681 | 1.9K |
| 433 | Histology | 2 | 29 | 2.9K | 3.8K |
| 433 | soil microbiology | 1 | 29 | 2.5K | 3.0K |
| 433 | Solitons | 4 | 29 | 269 | 841 |
| 433 | Chaos | 4 | 29 | 269 | 841 |
| 433 | Quality of life | 1 | 29 | 3.2K | 3.2K |
| 433 | Japan | 3 | 29 | 2.6K | 2.8K |
| 433 | Plant diseases | 1 | 29 | 3.3K | 2.9K |
| 440 | Economic History | 4 | 28 | 3.6K | 3.8K |
| 440 | Quantum Chemistry | 2 | 28 | 1.4K | 1.2K |
| 440 | Queuing Theory | 2 | 28 | 235 | 273 |
| 440 | Drug design | 6 | 28 | 1.4K | 3.3K |
| 440 | Visual Perception | 1 | 28 | 794 | 598 |
| 440 | East Asia | 2 | 28 | 1.3K | 645 |
| 440 | Cheminformatics | 2 | 28 | 581 | 865 |
| 440 | Perception | 1 | 28 | 1.4K | 1.2K |
| 440 | natural disasters | 3 | 28 | 1.5K | 2.4K |
| 449 | Physiology | 3 | 26 | 5.2K | 7.1K |
| 449 | Health Policy | 2 | 26 | 3.8K | 4.5K |
| 449 | Fuzzy Logic | 2 | 26 | 150 | 220 |
| 449 | Muscle contraction | 4 | 26 | 257 | 348 |
| 453 | Combustion | 2 | 25 | 1.2K | 1.4K |
| 454 | Neurotransmitters | 2 | 24 | 721 | 945 |
| 454 | marketing | 2 | 24 | 2.1K | 2.5K |
| 454 | Library Science | 1 | 24 | 2.6K | 1.4K |
| 454 | commerce | 3 | 24 | 1.6K | 2.0K |
| 458 | Public Health | 3 | 23 | 7.7K | 10.2K |
| 458 | Molecular Pharmacology | 2 | 23 | 1.4K | 2.2K |
| 458 | Nuclear Energy | 2 | 23 | 1.4K | 1.3K |
| 458 | Developmental Biology | 3 | 23 | 2.5K | 4.1K |
| 458 | Strategic planning | 4 | 23 | 634 | 1.3K |
| 458 | Developing countries | 2 | 23 | 2.8K | 3.5K |
| 464 | Educational Technology | 5 | 22 | 1.3K | 2.5K |
| 464 | Plasma chemistry | 4 | 22 | 390 | 883 |
| 464 | Spectroscopy | 2 | 22 | 339 | 231 |
| 467 | Structuralism | 1 | 21 | 130 | 181 |
| 467 | Environmental Toxicology | 1 | 21 | 4.5K | 5.1K |
| 467 | Agricultural Chemistry | 1 | 21 | 4.4K | 4.5K |
| 467 | Fluid Dynamics | 1 | 21 | 1.8K | 1.6K |
| 467 | Social Networks | 1 | 21 | 600 | 462 |
| 467 | Combinatorial chemistry | 3 | 21 | 1.2K | 2.2K |
| 467 | Environmental pollutants | 1 | 21 | 3.9K | 4.4K |
| 467 | nuclear power | 1 | 21 | 697 | 357 |
| 467 | environmental pollution | 1 | 21 | 6.6K | 7.3K |
| 467 | toxicity testing | 1 | 21 | 1.6K | 1.8K |
| 477 | Avionics | 5 | 20 | 89 | 284 |
| 477 | Proteome | 1 | 20 | 2.4K | 3.0K |
| 477 | Dementia | 1 | 20 | 3.0K | 2.0K |
| 477 | Alzheimer's disease | 1 | 20 | 3.1K | 2.2K |
| 477 | polymerization | 2 | 20 | 5.0K | 5.6K |
| 482 | Graph Theory | 11 | 19 | 340 | 902 |
| 482 | Building Materials | 1 | 19 | 1.7K | 2.1K |
| 482 | Atmospheric Chemistry | 1 | 19 | 1.6K | 2.0K |
| 482 | Educational Psychology | 1 | 19 | 2.3K | 2.3K |
| 482 | Integrative Medicine | 2 | 19 | 440 | 520 |
| 482 | Smoking | 1 | 19 | 1.4K | 1.7K |
| 482 | Formal Languages | 4 | 19 | 154 | 332 |
| 482 | Documentation | 1 | 19 | 755 | 683 |
| 482 | Combinatorial analysis | 11 | 19 | 442 | 945 |
| 491 | Humanities | 5 | 18 | 1.6K | 2.3K |
| 491 | Animal genetics | 1 | 18 | 1.0K | 1.2K |
| 491 | personality | 1 | 18 | 2.0K | 2.1K |
| 491 | Electrophysiology | 4 | 18 | 1.3K | 2.4K |
| 495 | Oceanography | 1 | 17 | 2.8K | 2.9K |
| 495 | Forest Ecology | 1 | 17 | 1.2K | 1.4K |
| 495 | emergency management | 1 | 17 | 2.0K | 1.9K |
| 495 | Distributed Databases | 3 | 17 | 178 | 378 |
| 495 | Social policy | 1 | 17 | 1.8K | 1.6K |
| 495 | Forest Management | 1 | 17 | 1.1K | 1.2K |
| 495 | Organometallic compounds | 3 | 17 | 1.5K | 2.4K |
| 495 | X-rays | 3 | 17 | 848 | 1.4K |
| 495 | RNA | 1 | 17 | 1.2K | 1.5K |
| 495 | smart structures | 3 | 17 | 101 | 141 |
| 495 | planning | 1 | 17 | 1.2K | 1.2K |
| 495 | Economic planning | 1 | 17 | 690 | 885 |
| 507 | Urology | 2 | 16 | 2.6K | 3.6K |
| 507 | Psychosomatic Medicine | 1 | 16 | 1.5K | 1.9K |
| 507 | Biochemical Genetics | 1 | 16 | 1.0K | 853 |
| 507 | Bifurcation Theory | 4 | 16 | 491 | 1.1K |
| 507 | Scheduling | 1 | 16 | 314 | 389 |
| 507 | Production Scheduling | 1 | 16 | 314 | 389 |
| 507 | plasma | 3 | 16 | 98 | 199 |
| 507 | Jurisprudence | 1 | 16 | 2.1K | 2.0K |
| 507 | Semiconductor industry | 3 | 16 | 125 | 378 |
| 507 | Liver diseases | 1 | 16 | 2.9K | 3.6K |
| 517 | Clinical Pharmacology | 1 | 15 | 2.5K | 2.8K |
| 517 | electric vehicles | 5 | 15 | 196 | 504 |
| 517 | Entrepreneurship | 1 | 15 | 1.6K | 1.8K |
| 517 | Metallography | 1 | 15 | 792 | 889 |
| 517 | Plasma devices | 1 | 15 | 419 | 489 |
| 522 | Environmental Management | 4 | 14 | 2.6K | 5.6K |
| 522 | Decision Support Systems | 2 | 14 | 422 | 735 |
| 522 | Fuzzy Sets | 1 | 14 | 163 | 244 |
| 522 | population health | 2 | 14 | 8 | 16 |
| 522 | Sexual health | 1 | 14 | 1.6K | 1.6K |
| 522 | Fuzzy algorithms | 1 | 14 | 163 | 244 |
| 522 | Sun | 2 | 14 | 576 | 801 |
| 522 | biopolymers | 1 | 14 | 2.3K | 2.7K |
| 522 | Solar System | 2 | 14 | 792 | 1.1K |
| 531 | Education | 1 | 13 | 7.4K | 6.1K |
| 531 | Nanomedicine | 1 | 13 | 680 | 1.0K |
| 531 | Geochemistry | 2 | 13 | 2.0K | 2.9K |
| 531 | Environmental Health | 2 | 13 | 7.6K | 10.7K |
| 531 | air quality management | 1 | 13 | 854 | 1.3K |
| 531 | Geomagnetism | 2 | 13 | 1.0K | 1.4K |
| 531 | Molecular evolution | 1 | 13 | 2.9K | 3.7K |
| 531 | Chemical analysis | 1 | 13 | 2.4K | 2.9K |
| 531 | Africa | 2 | 13 | 2.5K | 2.8K |
| 540 | Pharmacognosy | 1 | 12 | 3.2K | 4.0K |
| 540 | Nuclear Fusion | 2 | 12 | 580 | 823 |
| 540 | Integrated Optics | 3 | 12 | 79 | 143 |
| 540 | Electrochemical Analysis | 1 | 12 | 1.9K | 2.3K |
| 540 | natural products | 1 | 12 | 3.4K | 3.6K |
| 540 | biological factors | 2 | 12 | 3.1K | 4.5K |
| 540 | medical education | 1 | 12 | 4.0K | 4.1K |
| 540 | silicon | 6 | 12 | 202 | 799 |
| 540 | proteins | 2 | 12 | 3.3K | 4.8K |
| 549 | Radiology | 1 | 11 | 2.8K | 3.0K |
| 549 | Industrial Statistics | 2 | 11 | 317 | 504 |
| 549 | Cell Biology | 1 | 11 | 7.1K | 8.3K |
| 549 | Discrete Mathematics | 10 | 11 | 124 | 517 |
| 549 | Multiphase Flow | 1 | 11 | 286 | 458 |
| 549 | Fixed Point Theory | 5 | 11 | 225 | 533 |
| 549 | Semigroups | 4 | 11 | 233 | 435 |
| 549 | hazard mitigation | 2 | 11 | 1.3K | 2.4K |
| 549 | graph | 10 | 11 | 124 | 517 |
| 558 | Ecology | 2 | 10 | 8.3K | 11.7K |
| 558 | Meteorology | 1 | 10 | 4.0K | 5.0K |
| 558 | Neuroimaging | 4 | 10 | 264 | 827 |
| 558 | Financial Institutions | 1 | 10 | 704 | 860 |
| 558 | Scandinavia | 1 | 10 | 1.4K | 1.6K |
| 563 | Immunology | 2 | 9 | 5.4K | 7.7K |
| 563 | Immunotherapy | 2 | 9 | 2.8K | 4.6K |
| 563 | Product Design | 3 | 9 | 331 | 790 |
| 563 | Thin Films | 3 | 9 | 743 | 1.5K |
| 563 | Health | 1 | 9 | 5.0K | 6.1K |
| 563 | Neuromuscular diseases | 1 | 9 | 1.5K | 2.0K |
| 563 | telemarketing | 1 | 9 | 238 | 436 |
| 563 | software | 1 | 9 | 1.7K | 2.5K |
| 563 | Muscles | 1 | 9 | 2.0K | 2.6K |
| 563 | Stress | 1 | 9 | 623 | 1.0K |
| 563 | Autism | 1 | 9 | 1.3K | 1.9K |
| 563 | Egypt | 1 | 9 | 853 | 1.2K |
| 575 | Speech-Language Pathology | 1 | 8 | 420 | 631 |
| 575 | Linguistics | 1 | 8 | 2.8K | 2.3K |
| 575 | Global Health | 1 | 8 | 2.6K | 3.0K |
| 575 | Cosmology | 3 | 8 | 1.4K | 1.9K |
| 575 | Neurosurgery | 1 | 8 | 2.1K | 2.7K |
| 575 | Biomass Energy | 1 | 8 | 3.7K | 4.6K |
| 575 | Social Systems | 2 | 8 | 291 | 553 |
| 575 | acupuncture | 1 | 8 | 524 | 497 |
| 575 | Eastern Europe | 2 | 8 | 1.9K | 1.9K |
| 575 | infection | 2 | 8 | 2.5K | 4.4K |
| 575 | automatic speech recognition | 1 | 8 | 123 | 269 |
| 586 | Microbiology | 1 | 7 | 10.7K | 12.7K |
| 586 | Inventory Control | 2 | 7 | 81 | 364 |
| 586 | Computer Architecture | 1 | 7 | 753 | 870 |
| 586 | Economic Development | 1 | 7 | 2.9K | 3.5K |
| 586 | Electronic Packaging | 2 | 7 | 368 | 701 |
| 586 | Multiscale Modeling | 4 | 7 | 40 | 129 |
| 586 | Simulation | 1 | 7 | 477 | 823 |
| 586 | consumer behavior | 1 | 7 | 1.0K | 1.5K |
| 586 | Access to Information | 3 | 7 | 133 | 677 |
| 586 | Plastics | 4 | 7 | 1.8K | 3.6K |
| 586 | optical instruments | 3 | 7 | 498 | 1.0K |
| 586 | theoretical models | 1 | 7 | 477 | 823 |
| 586 | Iron | 2 | 7 | 606 | 1.1K |
| 586 | optical phenomena | 3 | 7 | 136 | 460 |
| 586 | color | 1 | 7 | 631 | 837 |
| 586 | Information dissemination | 3 | 7 | 133 | 677 |
| 586 | mathematical concepts | 2 | 7 | 621 | 1.1K |
| 586 | Immunity | 1 | 7 | 3.7K | 5.0K |
| 604 | Clinical Psychology | 1 | 6 | 3.1K | 4.1K |
| 604 | Health Information Management | 1 | 6 | 261 | 649 |
| 604 | Crime prevention | 2 | 6 | 388 | 695 |
| 604 | Adult Education | 1 | 6 | 1.2K | 1.4K |
| 604 | Food Preservation | 1 | 6 | 1.5K | 1.9K |
| 604 | food technology | 1 | 6 | 3.9K | 5.1K |
| 604 | environmental protection | 2 | 6 | 4.8K | 7.7K |
| 604 | Gerontology | 1 | 6 | 4.1K | 4.6K |
| 604 | Data Warehousing | 3 | 6 | 26 | 177 |
| 604 | Elderly | 1 | 6 | 2.7K | 2.5K |
| 604 | Finite Element Method | 1 | 6 | 244 | 394 |
| 604 | older people | 1 | 6 | 3.4K | 3.6K |
| 604 | Information management | 2 | 6 | 125 | 435 |
| 604 | Quantum theory | 2 | 6 | 1.2K | 1.9K |
| 604 | Cognition | 2 | 6 | 2.3K | 3.9K |
| 619 | Epidemiology | 2 | 5 | 6.1K | 9.4K |
| 619 | Environmental Engineering | 1 | 5 | 6.9K | 8.6K |
| 619 | Health Services Administration | 1 | 5 | 2.6K | 3.6K |
| 619 | Hydrology | 1 | 5 | 4.3K | 5.3K |
| 619 | Magnetic Resonance Imaging | 2 | 5 | 838 | 1.6K |
| 619 | Psychopharmacology | 2 | 5 | 2.5K | 4.0K |
| 619 | Water | 1 | 5 | 3.5K | 4.8K |
| 619 | Virology | 4 | 5 | 3.6K | 7.4K |
| 619 | water supply | 1 | 5 | 1.9K | 2.7K |
| 619 | High performance computing | 1 | 5 | 97 | 181 |
| 619 | health services | 1 | 5 | 2.4K | 3.5K |
| 619 | Pollution | 1 | 5 | 8.4K | 10.6K |
| 631 | Embryology | 1 | 4 | 3.1K | 4.1K |
| 631 | Biostatistics | 2 | 4 | 254 | 633 |
| 631 | Neurobiology | 2 | 4 | 2.4K | 4.3K |
| 631 | Electrocardiography | 1 | 4 | 695 | 990 |
| 631 | Advertising | 1 | 4 | 696 | 1.1K |
| 631 | Southeast Asia | 1 | 4 | 1.0K | 1.1K |
| 631 | free radicals | 1 | 4 | 2.2K | 3.4K |
| 631 | Microscopy | 4 | 4 | 2.1K | 4.2K |
| 631 | Mountains | 1 | 4 | 934 | 1.2K |
| 631 | Insects | 1 | 4 | 2.6K | 3.3K |
| 631 | Growth | 1 | 4 | 2.3K | 3.3K |
| 631 | Entomology | 1 | 4 | 4.2K | 5.0K |
| 643 | Computational Chemistry | 2 | 3 | 1.1K | 2.0K |
| 643 | Experimental Psychology | 1 | 3 | 1.0K | 1.5K |
| 643 | Naval Architecture | 2 | 3 | 640 | 1.0K |
| 643 | Applied Linguistics | 2 | 3 | 843 | 1.4K |
| 643 | Acoustics | 1 | 3 | 746 | 863 |
| 643 | Underwater acoustics | 1 | 3 | 137 | 256 |
| 643 | Biomechanics | 1 | 3 | 2.9K | 3.9K |
| 643 | Organometallic chemistry | 2 | 3 | 2.2K | 3.6K |
| 643 | X-ray spectroscopy | 1 | 3 | 543 | 915 |
| 643 | Turbulence | 1 | 3 | 509 | 787 |
| 643 | Magnetism | 1 | 3 | 427 | 528 |
| 643 | Calorimetry | 2 | 3 | 1.7K | 3.1K |
| 643 | Solutions | 1 | 3 | 817 | 1.2K |
| 643 | Plasma polymerization | 2 | 3 | 408 | 1.0K |
| 643 | Respiration | 1 | 3 | 2.9K | 4.1K |
| 643 | mental processes | 1 | 3 | 719 | 1.1K |
| 643 | ground penetrating radar | 1 | 3 | 145 | 289 |
| 643 | Thermal analysis | 2 | 3 | 1.7K | 3.1K |
| 661 | Geography | 1 | 2 | 4.0K | 5.2K |
| 661 | Anatomy | 1 | 2 | 3.8K | 5.2K |
| 661 | Pathology | 2 | 2 | 3.7K | 6.4K |
| 661 | Econometrics | 2 | 2 | 1.9K | 3.1K |
| 661 | Mineralogy | 1 | 2 | 2.5K | 3.4K |
| 661 | Astrodynamics | 1 | 2 | 54 | 100 |
| 661 | Simulation Methods | 1 | 2 | 1.0K | 1.7K |
| 661 | Spintronics | 1 | 2 | 106 | 231 |
| 661 | Bioinorganic chemistry | 1 | 2 | 2.4K | 3.5K |
| 661 | Social Media | 1 | 2 | 445 | 657 |
| 661 | Graphene | 1 | 2 | 314 | 644 |
| 661 | animal diseases | 1 | 2 | 1.1K | 1.8K |
| 661 | Consciousness | 1 | 2 | 869 | 1.3K |
| 661 | Kidney diseases | 1 | 2 | 2.1K | 3.0K |
| 675 | Marine Engineering | 1 | 1 | 996 | 1.2K |
| 675 | Software Maintenance | 2 | 1 | 290 | 808 |
| 675 | Distance Education | 2 | 1 | 644 | 1.7K |
| 675 | Particle Physics | 1 | 1 | 1.2K | 1.7K |
| 675 | Bioorganic chemistry | 1 | 1 | 4.3K | 5.8K |
| 675 | Business | 1 | 1 | 3.5K | 4.7K |
| 675 | air quality | 1 | 1 | 593 | 1.3K |
| 675 | Learning | 1 | 1 | 2.4K | 3.5K |
| 675 | telecommunication in education | 2 | 1 | 88 | 361 |
| 675 | Methodology | 1 | 1 | 1.0K | 1.8K |
| 675 | textile fibers | 1 | 1 | 1.1K | 1.7K |
| 675 | Memory | 1 | 1 | 1.3K | 2.0K |
| 675 | Approximation Theory | 1 | 1 | 496 | 716 |
| 675 | Metrology | 1 | 1 | 288 | 572 |
| 675 | India | 1 | 1 | 3.9K | 5.0K |
| 675 | international cooperation | 1 | 1 | 1.4K | 2.3K |
| 691 | Literature | 1 | 0 | 1.6K | 1.6K |
| 691 | Logic | 1 | 0 | 800 | 1.2K |
| 691 | Religious Education | 1 | 0 | 303 | 517 |
| 691 | Geometry | 2 | 0 | 1.6K | 2.6K |
| 691 | Ethics | 1 | 0 | 2.1K | 3.5K |
| 691 | Thermodynamics | 2 | 0 | 1.1K | 2.4K |
| 691 | Tissue Engineering | 1 | 0 | 714 | 1.3K |
| 691 | Operator theory | 1 | 0 | 874 | 1.3K |
| 691 | Microfabrication | 1 | 0 | 816 | 1.6K |
| 691 | diffusion | 1 | 0 | 420 | 637 |
| 691 | Lymphoma | 2 | 0 | 1.0K | 1.6K |
| 691 | Risk assessment | 1 | 0 | 1.4K | 2.7K |
| 691 | Behavioral research | 1 | 0 | 1.1K | 1.9K |
| 691 | Multiple Myeloma | 2 | 0 | 1.0K | 1.6K |
| 691 | ecological risk assessment | 1 | 0 | 692 | 1.5K |
| 691 | Noise control | 1 | 0 | 667 | 514 |
| 691 | Leukemia | 2 | 0 | 1.8K | 3.1K |
| 691 | plasma spraying | 1 | 0 | 538 | 966 |
| 691 | optical pattern recognition | 1 | 0 | 337 | 694 |
| 691 | peptides | 1 | 0 | 2.0K | 3.2K |
| 691 | anesthesia | 1 | 0 | 1.2K | 1.9K |
| 691 | Health Risk Assessment | 1 | 0 | 1.2K | 2.2K |
| 691 | Cellulose | 1 | 0 | 1.3K | 2.2K |
| 691 | explosives | 1 | 0 | 531 | 876 |
| 691 | sex differences | 1 | 0 | 373 | 822 |
