| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Artificial Intelligence | 710 | 22,050 | 23 | 47 |
| 2 | Automation | 332 | 16,361 | 24 | 19 |
| 3 | Physics | 318 | 14,967 | 1.1K | 1.5K |
| 4 | Mathematics | 1,343 | 13,848 | 46 | 77 |
| 5 | Science | 174 | 11,132 | 1.7K | 1.8K |
| 6 | Biology | 169 | 8,757 | 1.7K | 2.0K |
| 7 | Software Engineering | 172 | 7,006 | 3 | 4 |
| 8 | Control Theory | 206 | 6,954 | 45 | 35 |
| 9 | Chemistry | 104 | 6,747 | 2.5K | 1.7K |
| 10 | Signal Processing | 200 | 6,541 | 150 | 185 |
| 11 | Electronics | 200 | 6,456 | 311 | 198 |
| 12 | Medicine | 226 | 6,326 | 1.5K | 2.0K |
| 13 | Mathematical Physics | 235 | 5,621 | 115 | 206 |
| 14 | Telecommunication | 153 | 5,390 | 186 | 176 |
| 15 | Robotics | 106 | 5,276 | 82 | 41 |
| 16 | Operations Research | 179 | 4,813 | 54 | 87 |
| 17 | Computational Biology | 186 | 4,577 | 147 | 385 |
| 18 | Wireless Communication Systems | 128 | 4,410 | 180 | 139 |
| 19 | mathematical analysis | 294 | 4,394 | 8 | 7 |
| 20 | Biomedical Engineering | 117 | 4,120 | 602 | 522 |
| 21 | Numerical Analysis | 179 | 4,021 | 44 | 63 |
| 22 | Bioinformatics | 140 | 3,939 | 157 | 341 |
| 23 | Radio | 58 | 3,936 | 258 | 138 |
| 24 | Nuclear Physics | 118 | 3,752 | 1.1K | 913 |
| 25 | Image Processing | 102 | 3,748 | 150 | 184 |
| 26 | Nonlinear systems | 94 | 3,629 | 11 | 9 |
| 27 | Research | 98 | 3,533 | 2.1K | 1.9K |
| 28 | System analysis | 168 | 3,487 | 45 | 52 |
| 29 | Engineering | 134 | 3,454 | 275 | 208 |
| 30 | Statistical physics | 131 | 3,409 | 580 | 555 |
| 31 | Natural history | 11 | 3,250 | 2.9K | 2.3K |
| 32 | Information Systems | 100 | 3,224 | 19 | 33 |
| 33 | Biophysics | 74 | 3,203 | 1.5K | 997 |
| 34 | Nanotechnology | 46 | 2,961 | 1.7K | 1.2K |
| 35 | Medical Physics | 50 | 2,931 | 444 | 226 |
| 36 | Mechanics | 55 | 2,856 | 109 | 40 |
| 37 | Astrophysics | 62 | 2,799 | 948 | 868 |
| 38 | Condensed Matter | 97 | 2,651 | 871 | 859 |
| 39 | computer networks | 143 | 2,519 | 77 | 145 |
| 40 | analysis | 27 | 2,491 | 62 | 30 |
| 41 | Solid State Physics | 86 | 2,458 | 971 | 885 |
| 42 | Transportation | 34 | 2,403 | 330 | 118 |
| 43 | Database Management | 93 | 2,282 | 27 | 60 |
| 44 | Molecular Biology | 63 | 2,271 | 2.7K | 2.8K |
| 45 | Traffic Engineering | 25 | 2,245 | 49 | 16 |
| 46 | Nuclear Engineering | 64 | 2,195 | 249 | 94 |
| 47 | Optics | 148 | 2,124 | 587 | 707 |
| 48 | Nonlinear Dynamics | 82 | 2,120 | 393 | 398 |
| 49 | Mobile Computing | 57 | 2,093 | 95 | 57 |
| 50 | Cryptography | 108 | 2,044 | 6 | 10 |
| 51 | Medical Laboratory Science | 13 | 2,021 | 1.2K | 362 |
| 52 | Cybernetics | 67 | 2,016 | 140 | 220 |
| 53 | Computer Science | 167 | 1,992 | 31 | 73 |
| 54 | Algorithms | 89 | 1,959 | 3 | 12 |
| 55 | genome | 47 | 1,936 | 338 | 572 |
| 56 | Parallel Processing | 52 | 1,918 | 29 | 32 |
| 57 | Calculus of Variations | 79 | 1,916 | 8 | 4 |
| 58 | Astronomy | 50 | 1,905 | 975 | 882 |
| 59 | Nonlinear functional analysis | 75 | 1,902 | 4 | 4 |
| 60 | nanoscience | 17 | 1,881 | 1.5K | 832 |
| 61 | Radio waves | 41 | 1,865 | 182 | 126 |
| 62 | Logic Programming | 80 | 1,823 | 1 | 1 |
| 63 | Information Theory | 64 | 1,662 | 143 | 182 |
| 64 | Information Science | 51 | 1,655 | 168 | 143 |
| 65 | Physical Chemistry | 13 | 1,571 | 1.5K | 638 |
| 66 | Microwaves | 84 | 1,539 | 161 | 186 |
| 67 | Computational Complexity | 151 | 1,532 | 5 | 6 |
| 68 | Electrical Engineering | 160 | 1,463 | 377 | 416 |
| 69 | Nervous system | 30 | 1,444 | 867 | 867 |
| 70 | Data Mining | 32 | 1,428 | 231 | 226 |
| 71 | Medical Technology | 32 | 1,425 | 299 | 162 |
| 72 | Computer Graphics | 62 | 1,413 | 174 | 228 |
| 73 | Algebra | 171 | 1,408 | 10 | 16 |
| 74 | Human-Computer Interaction | 80 | 1,400 | 46 | 125 |
| 75 | Dynamics | 75 | 1,380 | 95 | 110 |
| 76 | Computer Vision | 20 | 1,377 | 225 | 197 |
| 77 | Functional Analysis | 75 | 1,249 | 8 | 4 |
| 78 | Expert Systems | 46 | 1,247 | 1 | 3 |
| 79 | Systems Engineering | 57 | 1,222 | 251 | 256 |
| 80 | Statistics | 74 | 1,213 | 449 | 565 |
| 81 | software | 45 | 1,212 | 17 | 40 |
| 82 | Information Technology | 56 | 1,205 | 268 | 365 |
| 83 | Information Retrieval | 24 | 1,203 | 64 | 57 |
| 84 | Geometry | 156 | 1,187 | 11 | 41 |
| 85 | Fuzzy systems | 80 | 1,182 | 74 | 72 |
| 86 | Geophysics | 41 | 1,169 | 1.2K | 1.2K |
| 87 | Human genetics | 4 | 1,159 | 2.7K | 2.1K |
| 88 | Electromagnetism | 25 | 1,150 | 249 | 123 |
| 89 | Mechatronics | 17 | 1,105 | 198 | 67 |
| 90 | Radio wave propagation | 33 | 1,103 | 155 | 51 |
| 91 | Brain | 16 | 1,093 | 1.3K | 882 |
| 92 | Formal Languages | 102 | 1,080 | 2 | 2 |
| 93 | Multimedia Systems | 90 | 988 | 73 | 117 |
| 94 | Boundary Value Problems | 33 | 976 | 103 | 77 |
| 95 | Informatics | 55 | 975 | 45 | 161 |
| 96 | Earth Sciences | 9 | 962 | 2.1K | 821 |
| 97 | Coding Theory | 75 | 934 | 4 | 8 |
| 98 | Spectrum analysis | 25 | 923 | 1.6K | 1.3K |
| 99 | Neural circuitry | 34 | 917 | 205 | 298 |
| 100 | Quantum Gravity | 28 | 911 | 1.0K | 830 |
| 101 | Genetics | 10 | 872 | 3.0K | 2.2K |
| 101 | Pollution | 21 | 872 | 2.5K | 2.5K |
| 103 | Power Electronics | 19 | 866 | 367 | 321 |
| 104 | visualization | 28 | 858 | 461 | 173 |
| 105 | Organic Chemistry | 3 | 840 | 3.6K | 1.2K |
| 106 | Microbiology | 17 | 836 | 4.1K | 3.6K |
| 107 | Bioorganic chemistry | 3 | 833 | 3.0K | 950 |
| 108 | Biochemistry | 35 | 830 | 3.9K | 4.1K |
| 109 | Environment | 17 | 816 | 2.5K | 2.8K |
| 110 | Antenna Arrays | 16 | 808 | 181 | 92 |
| 111 | Biometrics | 33 | 788 | 298 | 333 |
| 112 | Solid State Chemistry | 3 | 781 | 2.1K | 292 |
| 113 | Endocrinology | 13 | 772 | 2.1K | 1.8K |
| 114 | Physiology | 15 | 755 | 2.6K | 2.0K |
| 115 | Cognitive Science | 24 | 752 | 404 | 500 |
| 115 | Bioinorganic chemistry | 2 | 752 | 1.9K | 339 |
| 117 | Neurology | 15 | 747 | 3.5K | 3.0K |
| 118 | Organometallic chemistry | 1 | 741 | 2.8K | 266 |
| 119 | Ecology | 21 | 722 | 3.1K | 3.4K |
| 119 | Genetic algorithms | 16 | 722 | 65 | 143 |
| 121 | Engineering Mathematics | 60 | 705 | 347 | 423 |
| 122 | Chemical Engineering | 18 | 696 | 2.0K | 1.8K |
| 123 | Organometallic compounds | 1 | 695 | 2.2K | 393 |
| 124 | Logic | 50 | 694 | 21 | 25 |
| 125 | Environmental Health | 19 | 692 | 2.7K | 2.6K |
| 126 | Biotechnology | 25 | 674 | 2.9K | 3.4K |
| 127 | Bifurcation Theory | 34 | 672 | 39 | 69 |
| 128 | Electrochemistry | 22 | 671 | 1.5K | 1.1K |
| 129 | Information society | 16 | 650 | 6 | 3 |
| 130 | Computational Linguistics | 31 | 621 | 21 | 19 |
| 131 | Plant cells | 3 | 620 | 1.4K | 938 |
| 132 | Colloids | 13 | 613 | 2.0K | 1.6K |
| 133 | Critical Care | 4 | 611 | 2.0K | 1.2K |
| 133 | Critical Care Medicine | 4 | 611 | 1.8K | 1.2K |
| 135 | Combinatorial analysis | 60 | 608 | 49 | 51 |
| 136 | Materials | 16 | 605 | 3.2K | 2.9K |
| 137 | Combinatorial optimization | 43 | 591 | 15 | 12 |
| 138 | Adaptive control systems | 40 | 571 | 44 | 65 |
| 139 | Wireless Communication | 15 | 568 | 76 | 23 |
| 140 | Nanostructured Materials | 15 | 556 | 1.9K | 1.6K |
| 141 | Distributed Databases | 23 | 555 | 12 | 19 |
| 142 | Surface Chemistry | 10 | 532 | 2.2K | 1.6K |
| 143 | locomotion | 5 | 527 | 433 | 135 |
| 143 | posture | 5 | 527 | 433 | 135 |
| 143 | gait | 5 | 527 | 433 | 135 |
| 143 | walking | 5 | 527 | 433 | 135 |
| 147 | Public Health | 10 | 526 | 4.4K | 3.0K |
| 148 | environmental pollution | 16 | 525 | 2.1K | 2.2K |
| 149 | Evolutionary Computation | 13 | 522 | 91 | 180 |
| 150 | Systems Analysis | 28 | 516 | 178 | 207 |
| 151 | nucleic acids | 8 | 514 | 1.5K | 1.4K |
| 152 | Scheduling | 11 | 509 | 25 | 13 |
| 152 | Production Scheduling | 11 | 509 | 25 | 13 |
| 154 | Industrial Engineering | 28 | 505 | 545 | 689 |
| 154 | Measurement | 21 | 505 | 179 | 156 |
| 156 | probabilities | 46 | 497 | 290 | 336 |
| 157 | Autonomous robots | 14 | 492 | 29 | 52 |
| 158 | Metabolism | 14 | 491 | 1.8K | 2.0K |
| 159 | Epidemiology | 9 | 488 | 3.1K | 2.1K |
| 160 | Wind power | 4 | 485 | 231 | 46 |
| 161 | Quantum electronics | 37 | 482 | 369 | 471 |
| 162 | Neurophysiology | 3 | 473 | 3.2K | 1.8K |
| 163 | Philosophy | 27 | 470 | 637 | 312 |
| 164 | System design | 19 | 469 | 32 | 32 |
| 165 | Environmental Management | 8 | 462 | 1.7K | 1.4K |
| 166 | Polymers | 22 | 457 | 2.3K | 2.3K |
| 167 | World Wide Web | 23 | 451 | 40 | 36 |
| 168 | Machine Learning | 24 | 441 | 36 | 153 |
| 169 | Atmospheric Physics | 8 | 436 | 1.1K | 858 |
| 170 | Biocompatible Materials | 13 | 435 | 2.4K | 2.5K |
| 170 | Documentation | 7 | 435 | 184 | 98 |
| 172 | Software Maintenance | 18 | 429 | 10 | 4 |
| 172 | Avionics | 1 | 429 | 351 | 9 |
| 174 | Operator theory | 56 | 424 | 9 | 18 |
| 175 | Fiber Optics | 20 | 423 | 272 | 306 |
| 176 | Statistical Mechanics | 8 | 422 | 578 | 175 |
| 176 | Diabetes | 9 | 422 | 1.7K | 1.6K |
| 178 | environmental protection | 8 | 420 | 2.4K | 1.8K |
| 179 | Optical materials | 9 | 411 | 1.7K | 1.5K |
| 180 | Communication | 5 | 407 | 1.7K | 811 |
| 181 | Metabolic diseases | 13 | 402 | 1.6K | 2.0K |
| 182 | Fixed Point Theory | 27 | 401 | 24 | 25 |
| 183 | Hematology | 6 | 396 | 3.4K | 2.3K |
| 184 | Atmospheric Chemistry | 3 | 395 | 1.1K | 704 |
| 185 | Sound | 16 | 394 | 390 | 343 |
| 186 | Bioengineering | 23 | 389 | 1.8K | 3.1K |
| 187 | Telecommunication Systems | 47 | 388 | 158 | 338 |
| 188 | internet | 23 | 386 | 332 | 462 |
| 189 | Diagnostic Imaging | 28 | 385 | 665 | 1.0K |
| 190 | Evolution | 8 | 381 | 1.5K | 1.3K |
| 191 | Entropy | 33 | 379 | 116 | 178 |
| 192 | Cytology | 13 | 378 | 3.0K | 3.5K |
| 192 | Environmental Engineering | 8 | 378 | 2.9K | 2.3K |
| 192 | Diabetes mellitus | 8 | 378 | 1.7K | 1.7K |
| 195 | lasers | 33 | 377 | 530 | 696 |
| 196 | Stochastic Processes | 22 | 374 | 202 | 207 |
| 197 | Photonics | 17 | 370 | 921 | 1.2K |
| 198 | Psychology | 10 | 368 | 3.7K | 2.9K |
| 199 | natural disasters | 12 | 367 | 534 | 549 |
| 200 | biological evolution | 9 | 360 | 1.4K | 1.5K |
| 201 | Civil Engineering | 4 | 356 | 1.8K | 283 |
| 201 | Magnetic Materials | 6 | 356 | 1.3K | 757 |
| 201 | Technology | 18 | 356 | 1.9K | 1.9K |
| 204 | gene mapping | 10 | 355 | 1.3K | 1.5K |
| 205 | Meteorology | 16 | 348 | 1.1K | 1.6K |
| 206 | Databases | 17 | 346 | 126 | 168 |
| 207 | Climatology | 12 | 342 | 1.0K | 1.1K |
| 208 | brain mapping | 2 | 329 | 1.1K | 560 |
| 209 | Pharmacology | 10 | 328 | 3.9K | 3.6K |
| 210 | Intelligent Transportation Systems | 12 | 327 | 443 | 428 |
| 211 | Linguistics | 9 | 326 | 958 | 485 |
| 212 | Environmental monitoring | 12 | 322 | 2.2K | 2.5K |
| 213 | elasticity | 19 | 318 | 33 | 58 |
| 214 | Educational Technology | 21 | 317 | 398 | 546 |
| 215 | Biomechanics | 10 | 316 | 818 | 721 |
| 216 | Graph Theory | 37 | 315 | 78 | 116 |
| 216 | space environment | 6 | 315 | 195 | 96 |
| 218 | Immunity | 7 | 313 | 1.8K | 2.2K |
| 219 | Surface-Active Agents | 6 | 312 | 678 | 482 |
| 219 | Surface properties | 6 | 312 | 681 | 489 |
| 221 | Production Engineering | 17 | 310 | 753 | 734 |
| 222 | Water | 7 | 308 | 1.4K | 1.4K |
| 223 | Europe | 11 | 300 | 2.2K | 1.6K |
| 224 | Genomics | 13 | 295 | 2.0K | 2.4K |
| 224 | Discrete geometry | 9 | 295 | 105 | 64 |
| 226 | Requirements Engineering | 7 | 293 | 20 | 27 |
| 226 | Water pollution | 6 | 293 | 2.1K | 1.7K |
| 226 | data protection | 24 | 293 | 23 | 103 |
| 229 | Speech Perception | 8 | 290 | 118 | 138 |
| 229 | auditory perception | 8 | 290 | 153 | 172 |
| 231 | Membranes | 3 | 288 | 1.5K | 874 |
| 232 | Planets | 9 | 287 | 1.2K | 1.4K |
| 233 | Radiography | 9 | 286 | 577 | 674 |
| 234 | Diagnostic microbiology | 2 | 279 | 2.1K | 1.5K |
| 235 | Catalysis | 11 | 277 | 2.2K | 2.4K |
| 236 | Decision making | 18 | 275 | 491 | 761 |
| 237 | polymerization | 15 | 265 | 2.3K | 2.4K |
| 238 | Computer-Aided Design | 21 | 262 | 243 | 474 |
| 239 | United States | 11 | 259 | 3.7K | 3.3K |
| 239 | Cognition | 13 | 259 | 871 | 1.1K |
| 241 | Internet of Things | 7 | 255 | 622 | 465 |
| 242 | Quantum Optics | 16 | 253 | 317 | 391 |
| 242 | Atomic spectroscopy | 16 | 253 | 350 | 420 |
| 242 | Laser Spectroscopy | 16 | 253 | 284 | 354 |
| 245 | Imaging systems | 22 | 249 | 60 | 74 |
| 245 | Detectors | 12 | 249 | 713 | 609 |
| 247 | Nanoparticles | 4 | 240 | 2.0K | 1.4K |
| 248 | Medical genetics | 4 | 238 | 3.3K | 3.0K |
| 248 | Plant physiology | 5 | 238 | 1.8K | 1.7K |
| 250 | Developmental Biology | 4 | 237 | 2.2K | 2.0K |
| 251 | plant communities | 2 | 236 | 1.6K | 1.0K |
| 252 | Environmental Policy | 6 | 233 | 2.3K | 2.5K |
| 252 | energy conservation | 7 | 233 | 1.1K | 1.1K |
| 254 | Digital electronics | 28 | 227 | 11 | 20 |
| 255 | Materials Science | 19 | 225 | 2.5K | 3.5K |
| 255 | Cancer | 8 | 225 | 3.2K | 3.4K |
| 257 | Host-parasite interactions | 2 | 220 | 1.8K | 1.6K |
| 257 | Virulence | 2 | 220 | 1.9K | 1.5K |
| 259 | Breeding | 2 | 219 | 1.9K | 932 |
| 260 | sanitation | 3 | 217 | 2.1K | 2.0K |
| 260 | drug therapy | 2 | 217 | 3.6K | 2.0K |
| 262 | Quantum theory | 15 | 214 | 334 | 444 |
| 263 | Thermodynamics | 11 | 213 | 300 | 202 |
| 263 | Continuum Mechanics | 11 | 213 | 47 | 60 |
| 263 | Therapeutics | 1 | 213 | 3.9K | 1.8K |
| 266 | Hydraulic Engineering | 1 | 206 | 1.6K | 385 |
| 267 | Chromosome mapping | 7 | 205 | 1.5K | 1.7K |
| 267 | Evolution equations | 12 | 205 | 17 | 17 |
| 269 | Public Policy | 7 | 203 | 1.2K | 1.0K |
| 270 | Topology | 31 | 201 | 23 | 68 |
| 271 | Anatomy | 3 | 200 | 2.5K | 1.7K |
| 271 | Nuclear Fusion | 9 | 200 | 264 | 239 |
| 271 | Raman spectroscopy | 10 | 200 | 312 | 390 |
| 274 | emergency management | 10 | 199 | 372 | 389 |
| 275 | Food | 5 | 195 | 3.0K | 2.4K |
| 275 | Behavior | 7 | 195 | 2.4K | 2.7K |
| 277 | Economics | 22 | 193 | 1.9K | 2.3K |
| 278 | Demography | 5 | 190 | 624 | 519 |
| 278 | Intelligent Control Systems | 13 | 190 | 393 | 332 |
| 280 | Hydrology | 10 | 189 | 1.5K | 1.7K |
| 280 | Wildlife conservation | 1 | 189 | 1.7K | 596 |
| 282 | Botany | 6 | 188 | 3.4K | 3.2K |
| 282 | hazard mitigation | 4 | 188 | 842 | 557 |
| 284 | miniaturization | 5 | 186 | 1.9K | 2.0K |
| 285 | Composite Materials | 1 | 185 | 3.3K | 1.4K |
| 286 | Virtual reality | 8 | 184 | 175 | 214 |
| 287 | Sociology | 5 | 182 | 2.7K | 1.9K |
| 287 | Speech | 4 | 182 | 782 | 630 |
| 289 | Geographic information systems | 13 | 181 | 389 | 457 |
| 290 | Lattice Theory | 18 | 180 | 37 | 27 |
| 290 | Ultrasonics | 6 | 180 | 779 | 876 |
| 292 | Radiation | 6 | 179 | 1.5K | 1.2K |
| 292 | Ultrasonic Imaging | 5 | 179 | 313 | 237 |
| 292 | Cheminformatics | 1 | 179 | 836 | 370 |
| 295 | Ultrasound | 5 | 178 | 542 | 427 |
| 296 | Metallurgy | 4 | 177 | 2.3K | 1.3K |
| 297 | Biomass Energy | 3 | 175 | 2.4K | 1.9K |
| 297 | Molecular structure | 2 | 175 | 3.1K | 1.7K |
| 299 | Algae | 1 | 174 | 1.4K | 681 |
| 300 | Immunology | 4 | 173 | 4.3K | 3.9K |
| 300 | digital preservation | 7 | 173 | 22 | 35 |
| 300 | Microscopy | 6 | 173 | 1.7K | 951 |
| 303 | Synchrotron Radiation | 5 | 172 | 349 | 215 |
| 304 | Differential Equations | 29 | 171 | 65 | 185 |
| 305 | Pediatrics | 3 | 170 | 3.4K | 2.7K |
| 306 | data collection | 3 | 166 | 1.3K | 901 |
| 306 | Population | 4 | 166 | 901 | 570 |
| 308 | Discrete Mathematics | 15 | 165 | 67 | 46 |
| 308 | graph | 15 | 165 | 67 | 46 |
| 310 | Computational Intelligence | 9 | 164 | 461 | 416 |
| 311 | Ophthalmology | 5 | 163 | 1.7K | 1.5K |
| 311 | Vision | 5 | 163 | 475 | 477 |
| 313 | Flexible manufacturing systems | 8 | 161 | 55 | 84 |
| 314 | Systems Biology | 8 | 160 | 1.2K | 1.3K |
| 314 | environmental exposure | 4 | 160 | 2.0K | 1.6K |
| 316 | Oceanography | 5 | 159 | 1.5K | 1.3K |
| 317 | Microelectronics | 4 | 158 | 1.8K | 1.7K |
| 317 | Optoelectronic devices | 23 | 158 | 179 | 323 |
| 319 | Health Services Administration | 6 | 157 | 882 | 873 |
| 319 | technical education | 7 | 157 | 359 | 287 |
| 321 | Psychiatry | 6 | 156 | 4.4K | 4.4K |
| 321 | Manufacturing Processes | 10 | 156 | 1.2K | 1.4K |
| 321 | Integrated Circuits | 7 | 156 | 570 | 205 |
| 324 | human behavior | 6 | 154 | 1.8K | 2.3K |
| 325 | micromechanics | 5 | 153 | 390 | 345 |
| 326 | Social Psychology | 5 | 151 | 1.8K | 1.7K |
| 326 | Number Theory | 15 | 151 | 220 | 148 |
| 328 | biobanks | 1 | 150 | 401 | 43 |
| 329 | Embryology | 2 | 149 | 2.4K | 1.9K |
| 329 | Growth | 2 | 149 | 1.8K | 1.6K |
| 331 | Ergodic Theory | 6 | 148 | 204 | 140 |
| 332 | Queuing Theory | 7 | 147 | 94 | 103 |
| 333 | Transportation Engineering | 4 | 146 | 287 | 227 |
| 333 | DNA polymerases | 2 | 146 | 717 | 919 |
| 335 | Renewable Energy Sources | 5 | 145 | 1.6K | 2.2K |
| 336 | Energy Policy | 1 | 142 | 3.1K | 1.7K |
| 336 | energy resources | 1 | 142 | 1.4K | 932 |
| 338 | Clinical Chemistry | 3 | 139 | 3.5K | 3.0K |
| 339 | Analytical Chemistry | 5 | 138 | 4.4K | 4.1K |
| 340 | Applied Mathematics | 21 | 137 | 193 | 185 |
| 341 | Japan | 8 | 135 | 1.5K | 1.3K |
| 342 | Quality Control | 13 | 133 | 609 | 1.1K |
| 343 | Fluid Mechanics | 13 | 132 | 1.1K | 1.5K |
| 344 | Structural optimization | 8 | 131 | 203 | 286 |
| 344 | Molecules | 7 | 131 | 1.1K | 1.1K |
| 346 | Geology | 6 | 130 | 2.5K | 2.2K |
| 346 | Cell Biology | 10 | 130 | 3.3K | 5.0K |
| 348 | Toxicology | 5 | 129 | 4.5K | 4.7K |
| 349 | biological factors | 3 | 128 | 2.6K | 1.9K |
| 350 | Infections | 3 | 125 | 1.5K | 1.6K |
| 350 | infection | 3 | 125 | 2.1K | 1.9K |
| 352 | microwave antennas | 14 | 124 | 126 | 215 |
| 353 | Nanostructures | 3 | 123 | 2.5K | 2.1K |
| 354 | Urology | 5 | 120 | 1.8K | 1.9K |
| 354 | Earthquake Engineering | 4 | 120 | 858 | 776 |
| 356 | Green Chemistry | 5 | 119 | 1.7K | 2.1K |
| 356 | Cosmology | 11 | 119 | 680 | 766 |
| 358 | Geochemical Modeling | 3 | 117 | 332 | 279 |
| 358 | Solitons | 1 | 117 | 829 | 313 |
| 358 | Fractals | 1 | 117 | 1.3K | 431 |
| 358 | Chaos | 1 | 117 | 829 | 313 |
| 358 | geological modeling | 3 | 117 | 554 | 357 |
| 358 | cell physiology | 4 | 117 | 1.8K | 2.2K |
| 364 | Language and Logic | 10 | 116 | 24 | 30 |
| 365 | Applied Linguistics | 2 | 114 | 843 | 337 |
| 366 | Environmental Toxicology | 4 | 113 | 2.6K | 3.0K |
| 367 | Neurobiology | 3 | 112 | 2.1K | 2.2K |
| 367 | Volcanoes | 2 | 112 | 416 | 299 |
| 369 | Computer Engineering | 15 | 111 | 110 | 316 |
| 369 | Combinatorial chemistry | 2 | 111 | 1.4K | 1.1K |
| 371 | Interfaces | 8 | 109 | 15 | 40 |
| 372 | Real-time Data Processing | 9 | 108 | 23 | 65 |
| 372 | Organelle biogenesis | 1 | 108 | 522 | 222 |
| 372 | language | 4 | 108 | 827 | 808 |
| 375 | pollutants | 2 | 107 | 2.5K | 2.1K |
| 375 | Environmental pollutants | 2 | 107 | 3.1K | 2.4K |
| 377 | Respiration | 5 | 106 | 1.5K | 1.9K |
| 378 | Environmental Chemistry | 3 | 105 | 2.8K | 2.7K |
| 378 | touch | 3 | 105 | 98 | 74 |
| 380 | particles | 5 | 104 | 602 | 609 |
| 380 | proteins | 3 | 104 | 2.8K | 2.5K |
| 382 | Social Sciences | 6 | 102 | 3.2K | 2.5K |
| 382 | Environmental Law | 2 | 102 | 1.4K | 1.6K |
| 382 | Soft Condensed Matter | 4 | 102 | 1.1K | 1.2K |
| 382 | biomedicine | 5 | 102 | 829 | 966 |
| 386 | Industrial Statistics | 5 | 101 | 115 | 77 |
| 386 | Microwave devices | 7 | 101 | 370 | 437 |
| 388 | Psycholinguistics | 2 | 99 | 1.2K | 903 |
| 388 | Intelligence | 2 | 99 | 336 | 289 |
| 388 | Psychophysiology | 3 | 99 | 3.2K | 3.2K |
| 391 | Quality of life | 4 | 98 | 1.6K | 1.9K |
| 391 | Chromosomes | 1 | 98 | 1.6K | 1.1K |
| 393 | Sustainable Engineering | 3 | 97 | 2.0K | 1.9K |
| 393 | Medical Microbiology | 3 | 97 | 3.0K | 3.3K |
| 393 | Chemical industry | 2 | 97 | 2.0K | 1.0K |
| 396 | finance | 7 | 96 | 1.5K | 1.7K |
| 396 | rehabilitation | 3 | 96 | 2.9K | 2.6K |
| 398 | Structural Engineering | 3 | 95 | 1.4K | 954 |
| 399 | Acoustics | 4 | 94 | 358 | 228 |
| 399 | microwave communication systems | 9 | 94 | 251 | 427 |
| 399 | Semigroups | 13 | 94 | 64 | 86 |
| 402 | Biochemical Engineering | 3 | 93 | 3.0K | 3.8K |
| 403 | Speech acoustics | 3 | 92 | 159 | 173 |
| 404 | Biodiversity conservation | 2 | 91 | 2.5K | 2.5K |
| 405 | Regional Planning | 4 | 90 | 1.5K | 1.4K |
| 406 | Nutrition | 6 | 89 | 4.3K | 5.5K |
| 407 | protein | 1 | 88 | 2.4K | 1.5K |
| 407 | Roads | 4 | 88 | 701 | 553 |
| 409 | Game Theory | 4 | 87 | 414 | 331 |
| 410 | Neurotransmitters | 1 | 86 | 1.0K | 537 |
| 410 | Parasitic Diseases | 2 | 86 | 3.1K | 2.6K |
| 412 | Latin America | 16 | 85 | 811 | 684 |
| 413 | Medical Anthropology | 1 | 84 | 2.2K | 1.6K |
| 414 | Geochemistry | 4 | 83 | 1.5K | 1.5K |
| 414 | Semiconductors | 4 | 83 | 1.2K | 955 |
| 414 | economic policy | 6 | 83 | 1.9K | 1.7K |
| 414 | Crystal growth | 4 | 83 | 1.1K | 1.2K |
| 418 | Cardiovascular system | 3 | 81 | 2.4K | 3.3K |
| 418 | radar | 8 | 81 | 105 | 218 |
| 418 | biopolymers | 3 | 81 | 1.5K | 1.4K |
| 421 | health services | 2 | 80 | 1.8K | 1.3K |
| 421 | Nonlinear mechanics | 8 | 80 | 23 | 91 |
| 423 | Obesity | 2 | 79 | 3.1K | 3.0K |
| 423 | Interactive multimedia | 9 | 79 | 173 | 247 |
| 425 | Smart Materials | 3 | 78 | 810 | 723 |
| 425 | Developmental Neurobiology | 1 | 78 | 1.3K | 703 |
| 425 | big data | 5 | 78 | 317 | 395 |
| 428 | Remote Sensing | 5 | 77 | 804 | 894 |
| 429 | Bioenergetics | 1 | 76 | 1.3K | 985 |
| 429 | Crystallography | 3 | 76 | 2.1K | 1.3K |
| 431 | Granular materials | 1 | 74 | 781 | 403 |
| 431 | Longevity | 1 | 74 | 470 | 265 |
| 431 | rejuvenation | 1 | 74 | 365 | 225 |
| 434 | Pathology | 3 | 73 | 3.1K | 3.4K |
| 434 | Simulation | 5 | 73 | 100 | 274 |
| 434 | Plant tissue culture | 1 | 73 | 1.4K | 991 |
| 434 | theoretical models | 5 | 73 | 100 | 274 |
| 434 | Reproduction | 5 | 73 | 2.3K | 2.9K |
| 434 | Plant cell culture | 1 | 73 | 1.4K | 978 |
| 440 | Sonar | 7 | 72 | 107 | 207 |
| 440 | Navigation | 7 | 72 | 316 | 375 |
| 442 | Forecasting | 3 | 71 | 488 | 454 |
| 442 | Transplantation | 2 | 71 | 2.3K | 2.1K |
| 444 | Land Use Planning | 2 | 70 | 516 | 516 |
| 444 | Particle Physics | 4 | 70 | 623 | 519 |
| 444 | Music | 8 | 70 | 560 | 700 |
| 444 | Cell differentiation | 3 | 70 | 2.3K | 3.1K |
| 444 | Knowledge | 3 | 70 | 510 | 341 |
| 444 | International Finance | 3 | 70 | 1.3K | 1.2K |
| 450 | Soil dynamics | 1 | 69 | 419 | 227 |
| 451 | Chemical Ecology | 1 | 68 | 1.1K | 871 |
| 451 | Diagnosis | 5 | 68 | 592 | 689 |
| 451 | Group theory | 17 | 68 | 16 | 21 |
| 451 | pheromones | 1 | 68 | 996 | 837 |
| 455 | Marine Biology | 4 | 67 | 2.5K | 2.9K |
| 456 | Econometrics | 6 | 65 | 1.1K | 1.3K |
| 457 | Bones | 1 | 64 | 1.4K | 1.2K |
| 458 | Histology | 3 | 61 | 2.5K | 2.9K |
| 459 | Musicology | 6 | 60 | 136 | 138 |
| 459 | Photography | 17 | 60 | 645 | 631 |
| 459 | atmospheric models | 3 | 60 | 774 | 981 |
| 462 | Cloud Computing | 7 | 59 | 140 | 372 |
| 462 | disease outbreaks | 1 | 59 | 1.3K | 1.1K |
| 462 | Epidemics | 1 | 59 | 1.2K | 1.0K |
| 465 | Agricultural Chemistry | 1 | 58 | 4.4K | 3.4K |
| 465 | Biological Systems | 8 | 58 | 345 | 1.0K |
| 465 | Climate change | 1 | 58 | 2.1K | 2.2K |
| 465 | Eutrophication | 1 | 58 | 1.9K | 2.2K |
| 469 | Molecular Microbiology | 1 | 57 | 1.8K | 1.8K |
| 469 | economic forecasting | 2 | 57 | 216 | 177 |
| 469 | Geomagnetism | 3 | 57 | 845 | 866 |
| 469 | Molecular Spectroscopy | 3 | 57 | 1.7K | 1.8K |
| 469 | Approximation Theory | 7 | 57 | 112 | 187 |
| 474 | Biostatistics | 1 | 55 | 454 | 69 |
| 474 | Elementary particles | 1 | 55 | 89 | 167 |
| 474 | enzymes | 3 | 55 | 1.5K | 1.9K |
| 477 | Ceramics | 2 | 52 | 2.3K | 1.9K |
| 477 | Electrocardiography | 4 | 52 | 285 | 305 |
| 477 | calcification | 1 | 52 | 1.2K | 1.1K |
| 477 | Electrophysiology | 4 | 52 | 1.3K | 1.7K |
| 477 | Glass | 2 | 52 | 1.7K | 1.7K |
| 477 | pottery | 2 | 52 | 1.7K | 1.7K |
| 483 | Mechanical Engineering | 6 | 51 | 2.1K | 2.2K |
| 483 | multimedia | 6 | 51 | 185 | 298 |
| 485 | Aquatic ecology | 4 | 50 | 1.0K | 1.3K |
| 486 | Social Networks | 4 | 49 | 143 | 269 |
| 486 | Online social networks | 4 | 49 | 186 | 333 |
| 486 | Simulation Methods | 17 | 49 | 26 | 432 |
| 486 | Fluorescence spectroscopy | 1 | 49 | 658 | 462 |
| 486 | Ventilation | 3 | 49 | 651 | 793 |
| 491 | Geography | 2 | 48 | 3.1K | 2.8K |
| 491 | Medical innovations | 1 | 48 | 2.2K | 2.6K |
| 491 | biomimicry | 1 | 48 | 306 | 247 |
| 494 | Computational Chemistry | 4 | 47 | 717 | 1.1K |
| 494 | Protozoa | 1 | 47 | 865 | 707 |
| 496 | Animal Behavior | 4 | 46 | 1.8K | 2.8K |
| 496 | Quantum Mechanics | 7 | 46 | 108 | 133 |
| 496 | medical education | 3 | 46 | 2.5K | 2.6K |
| 496 | Cerebral cortex | 2 | 46 | 1.3K | 1.6K |
| 500 | Biopharmaceutics | 2 | 44 | 1.8K | 2.0K |
| 500 | Occupational Health | 1 | 44 | 2.7K | 1.5K |
| 500 | Computational Mathematics | 2 | 44 | 141 | 174 |
| 500 | occupational diseases | 1 | 44 | 2.3K | 1.8K |
| 500 | Database Security | 2 | 44 | 133 | 100 |
| 500 | supercritical fluids | 2 | 44 | 201 | 261 |
| 500 | health planning | 4 | 44 | 1.6K | 2.3K |
| 500 | international cooperation | 1 | 44 | 1.4K | 1.0K |
| 508 | Pharmacokinetics | 4 | 43 | 910 | 1.4K |
| 508 | Solar power plants | 1 | 43 | 499 | 451 |
| 508 | Animal breeding | 2 | 43 | 941 | 910 |
| 508 | Photovoltaic Cells | 1 | 43 | 503 | 452 |
| 508 | solar cells | 1 | 43 | 1.0K | 1.0K |
| 513 | Computer Architecture | 4 | 42 | 321 | 382 |
| 513 | Microbial Ecology | 3 | 42 | 2.9K | 4.5K |
| 513 | Hypertension | 1 | 42 | 3.5K | 3.8K |
| 513 | Health Education | 2 | 42 | 2.8K | 2.7K |
| 513 | biofuels | 1 | 42 | 690 | 892 |
| 513 | Fractional Calculus | 5 | 42 | 65 | 203 |
| 513 | Immune system | 2 | 42 | 1.8K | 2.3K |
| 513 | Liver diseases | 2 | 42 | 2.3K | 3.0K |
| 521 | Otolaryngology | 1 | 41 | 1.3K | 975 |
| 521 | vibration | 3 | 41 | 1.3K | 1.3K |
| 521 | Ethology | 3 | 41 | 1.5K | 2.3K |
| 521 | Gerontology | 2 | 41 | 3.2K | 2.8K |
| 521 | Symplectic Geometry | 7 | 41 | 9 | 11 |
| 521 | Light | 1 | 41 | 2.1K | 2.0K |
| 521 | city planning | 4 | 41 | 1.4K | 1.9K |
| 528 | Energy Consumption | 2 | 40 | 524 | 720 |
| 529 | Geotechnical Engineering | 2 | 39 | 637 | 717 |
| 529 | Soil Mechanics | 2 | 39 | 1.2K | 1.2K |
| 529 | Kinetics | 3 | 39 | 609 | 785 |
| 529 | weather forecasting | 1 | 39 | 402 | 364 |
| 529 | biological monitoring | 3 | 39 | 628 | 1.1K |
| 534 | Soil Science | 1 | 38 | 2.8K | 2.3K |
| 534 | Structural design | 4 | 38 | 537 | 873 |
| 534 | Pharmaceutical Chemistry | 3 | 38 | 4.8K | 5.9K |
| 534 | behavioral medicine | 2 | 38 | 2.1K | 2.7K |
| 534 | Erectile dysfunction | 1 | 38 | 574 | 456 |
| 534 | Environmental risk assessment | 3 | 38 | 470 | 686 |
| 534 | Protein engineering | 2 | 38 | 393 | 547 |
| 534 | molecular design | 2 | 38 | 401 | 546 |
| 542 | Zoology | 4 | 37 | 2.8K | 3.3K |
| 542 | Random graphs | 3 | 37 | 199 | 211 |
| 544 | Immunopathology | 1 | 36 | 2.6K | 2.5K |
| 544 | research and development | 1 | 36 | 851 | 737 |
| 546 | health behavior | 1 | 35 | 2.2K | 1.9K |
| 546 | Health promotion | 1 | 35 | 3.4K | 2.8K |
| 548 | Animal Nutrition | 1 | 34 | 1.0K | 785 |
| 548 | Parenteral nutrition | 2 | 34 | 1.7K | 2.2K |
| 548 | Animal genetics | 1 | 34 | 1.0K | 955 |
| 548 | Methodology | 4 | 34 | 411 | 668 |
| 548 | energy development | 1 | 34 | 1.7K | 1.5K |
| 553 | Semantic web | 4 | 33 | 60 | 159 |
| 553 | water supply | 3 | 33 | 1.2K | 1.8K |
| 555 | Probability | 9 | 32 | 486 | 1.3K |
| 555 | cryosphere | 1 | 32 | 683 | 658 |
| 555 | Solar System | 2 | 32 | 792 | 904 |
| 558 | Distance Education | 2 | 31 | 644 | 707 |
| 558 | Optical Communications | 5 | 31 | 717 | 1.1K |
| 558 | Microfabrication | 1 | 31 | 816 | 709 |
| 558 | telecommunication in education | 2 | 31 | 88 | 43 |
| 558 | optical devices | 1 | 31 | 992 | 750 |
| 558 | drugs | 3 | 31 | 2.5K | 3.5K |
| 564 | Superconductors | 4 | 30 | 932 | 1.1K |
| 565 | Entomology | 1 | 29 | 4.2K | 3.3K |
| 566 | Telemedicine | 2 | 28 | 661 | 1.0K |
| 566 | Nanophotonics | 1 | 28 | 715 | 703 |
| 568 | Neurochemistry | 2 | 27 | 3.2K | 4.2K |
| 568 | Fuzzy Logic | 2 | 27 | 150 | 215 |
| 568 | Decision Support Systems | 2 | 27 | 422 | 496 |
| 568 | Fuzzy Sets | 2 | 27 | 93 | 177 |
| 568 | Indoor air quality | 1 | 27 | 228 | 130 |
| 568 | Air Conditioning | 1 | 27 | 459 | 305 |
| 568 | Water quality management | 2 | 27 | 2.8K | 3.2K |
| 568 | Inflammation | 1 | 27 | 2.7K | 2.9K |
| 568 | cell adhesion molecules | 1 | 27 | 1.3K | 1.4K |
| 568 | Chemical analysis | 1 | 27 | 2.4K | 2.4K |
| 568 | Diet | 1 | 27 | 4.4K | 4.9K |
| 568 | cytokines | 1 | 27 | 2.5K | 2.7K |
| 568 | China | 6 | 27 | 2.3K | 4.2K |
| 568 | Fuzzy algorithms | 2 | 27 | 93 | 177 |
| 568 | cell interaction | 1 | 27 | 2.3K | 2.5K |
| 568 | Soviet Union | 3 | 27 | 883 | 842 |
| 568 | heating | 1 | 27 | 371 | 257 |
| 568 | Cell communication | 1 | 27 | 1.9K | 1.9K |
| 586 | Product Design | 2 | 26 | 424 | 483 |
| 586 | freshwater biology | 2 | 26 | 1.3K | 1.7K |
| 588 | Agricultural Ecology | 1 | 25 | 2.4K | 2.7K |
| 588 | Structural biology | 1 | 25 | 236 | 361 |
| 590 | Fluid Dynamics | 3 | 24 | 1.1K | 1.6K |
| 590 | Microprocessors | 2 | 24 | 410 | 564 |
| 590 | Group decision making | 3 | 24 | 517 | 898 |
| 590 | Mobile Commerce | 6 | 24 | 157 | 319 |
| 590 | Product life cycle | 1 | 24 | 708 | 782 |
| 590 | green products | 1 | 24 | 645 | 751 |
| 596 | Multivariate Analysis | 7 | 23 | 149 | 543 |
| 596 | Virology | 1 | 23 | 5.7K | 6.2K |
| 596 | Digital humanities | 4 | 23 | 49 | 192 |
| 596 | Futures | 1 | 23 | 697 | 641 |
| 596 | Sun | 1 | 23 | 741 | 701 |
| 596 | educational planning | 2 | 23 | 589 | 835 |
| 596 | Plants | 3 | 23 | 2.7K | 3.9K |
| 603 | Biogeochemistry | 1 | 22 | 1.8K | 2.2K |
| 603 | Molecular evolution | 1 | 22 | 2.9K | 3.3K |
| 603 | indoor air pollution | 2 | 22 | 630 | 1.0K |
| 603 | Sick building syndrome | 2 | 22 | 630 | 1.0K |
| 603 | Biodiversity | 1 | 22 | 4.4K | 4.3K |
| 608 | Mathematics Education | 4 | 21 | 430 | 637 |
| 608 | Immunotherapy | 1 | 21 | 3.6K | 4.0K |
| 608 | Genetic epidemiology | 1 | 21 | 712 | 864 |
| 608 | Tourism | 1 | 21 | 2.4K | 2.4K |
| 608 | Land use | 2 | 21 | 1.3K | 1.9K |
| 608 | gene therapy | 1 | 21 | 2.5K | 2.9K |
| 608 | Radioisotopes | 1 | 21 | 2.0K | 1.7K |
| 608 | heredity | 1 | 21 | 1.6K | 1.6K |
| 608 | Isotopes | 1 | 21 | 327 | 286 |
| 617 | Marine Ecology | 1 | 20 | 1.3K | 1.3K |
| 617 | bioclimatology | 2 | 20 | 1.4K | 2.0K |
| 617 | Superconductivity | 3 | 20 | 357 | 589 |
| 617 | sustainability | 4 | 20 | 732 | 1.8K |
| 617 | Industrial Policy | 3 | 20 | 426 | 806 |
| 617 | ecosystem | 1 | 20 | 2.5K | 3.0K |
| 617 | Navier-Stokes equations | 4 | 20 | 121 | 219 |
| 617 | Muscle contraction | 1 | 20 | 746 | 422 |
| 625 | Pediatric Endocrinology | 1 | 19 | 995 | 825 |
| 625 | Nondestructive testing | 5 | 19 | 454 | 996 |
| 625 | Child | 1 | 19 | 5.1K | 4.8K |
| 625 | Marine Pollution | 1 | 19 | 1.8K | 2.3K |
| 625 | Adolescent | 1 | 19 | 4.4K | 4.1K |
| 625 | Groundwater | 1 | 19 | 1.5K | 1.4K |
| 625 | Metabolic disorders in children | 1 | 19 | 923 | 739 |
| 625 | High performance computing | 1 | 19 | 97 | 58 |
| 633 | Law | 1 | 18 | 3.0K | 1.5K |
| 633 | Criminology | 1 | 18 | 1.7K | 1.6K |
| 633 | Mental Disorders | 2 | 18 | 5.2K | 6.6K |
| 633 | Public opinion | 1 | 18 | 911 | 1.0K |
| 633 | Access to Information | 2 | 18 | 234 | 444 |
| 633 | plant molecular biology | 2 | 18 | 2.1K | 3.3K |
| 633 | Mental illness | 1 | 18 | 4.3K | 4.7K |
| 633 | Information dissemination | 2 | 18 | 234 | 444 |
| 633 | Chronic diseases | 1 | 18 | 1.3K | 1.7K |
| 642 | Magnetic Resonance Imaging | 1 | 17 | 1.1K | 1.3K |
| 642 | Nanoelectronics | 1 | 17 | 1.1K | 961 |
| 642 | Business | 1 | 17 | 3.5K | 3.1K |
| 645 | Pediatric Neurology | 1 | 16 | 2.2K | 2.9K |
| 645 | Psychometrics | 2 | 16 | 520 | 816 |
| 645 | Sleep Disorders | 1 | 16 | 3.1K | 3.2K |
| 645 | Ecohydrology | 1 | 16 | 743 | 853 |
| 645 | Risk assessment | 2 | 16 | 945 | 1.4K |
| 645 | water resources | 1 | 16 | 464 | 412 |
| 645 | Critical theory | 1 | 16 | 380 | 284 |
| 645 | K-theory | 3 | 16 | 31 | 52 |
| 645 | Semiotics | 1 | 16 | 778 | 394 |
| 645 | Proteome | 2 | 16 | 1.9K | 3.2K |
| 645 | Sleep | 1 | 16 | 3.1K | 3.2K |
| 645 | Gastrointestinal diseases | 1 | 16 | 1.7K | 1.8K |
| 657 | Clinical Pharmacology | 1 | 15 | 2.5K | 2.8K |
| 657 | Industrial Microbiology | 2 | 15 | 2.9K | 4.6K |
| 657 | Semantics | 1 | 15 | 624 | 526 |
| 657 | Functional equations | 6 | 15 | 120 | 365 |
| 657 | Medical Ethics | 1 | 15 | 2.7K | 2.4K |
| 657 | Cyberterrorism | 1 | 15 | 57 | 98 |
| 657 | Chemical processes | 1 | 15 | 1.3K | 1.4K |
| 657 | coal | 1 | 15 | 1.3K | 1.9K |
| 657 | Capital asset pricing model | 1 | 15 | 144 | 175 |
| 666 | Systems Theory | 3 | 14 | 645 | 1.2K |
| 666 | Telecommunications | 6 | 14 | 442 | 1.3K |
| 668 | Neuropsychology | 1 | 13 | 4.0K | 4.6K |
| 668 | air quality management | 1 | 13 | 854 | 1.3K |
| 668 | Reproductive health | 1 | 13 | 1.7K | 2.1K |
| 668 | Urban Areas | 1 | 13 | 529 | 605 |
| 668 | Climate | 1 | 13 | 1.1K | 1.6K |
| 668 | weather | 1 | 13 | 1.1K | 1.5K |
| 674 | Political Science | 1 | 12 | 3.4K | 2.7K |
| 674 | Micropaleontology | 2 | 12 | 143 | 270 |
| 674 | Electrochemical Analysis | 1 | 12 | 1.9K | 2.3K |
| 674 | Chemical kinetics | 1 | 12 | 1.5K | 1.5K |
| 674 | Randomized Controlled Trials | 2 | 12 | 2.0K | 2.9K |
| 674 | Public Choice | 1 | 12 | 678 | 821 |
| 674 | Celestial Mechanics | 4 | 12 | 192 | 434 |
| 674 | DNS | 2 | 12 | 856 | 1.7K |
| 674 | monitoring | 2 | 12 | 493 | 824 |
| 674 | reasoning | 2 | 12 | 223 | 463 |
| 674 | Recombinant DNA | 2 | 12 | 2.1K | 3.3K |
| 674 | electrocatalysis | 1 | 12 | 264 | 380 |
| 674 | Maps | 1 | 12 | 401 | 445 |
| 674 | DNA | 2 | 12 | 1.0K | 1.8K |
| 674 | Genes | 2 | 12 | 1.9K | 3.0K |
| 689 | Education | 2 | 11 | 5.8K | 6.3K |
| 689 | Marine Engineering | 2 | 11 | 679 | 655 |
| 689 | Cognitive Psychology | 2 | 11 | 566 | 843 |
| 689 | Ecological Genetics | 1 | 11 | 1.4K | 1.7K |
| 689 | Health Policy | 2 | 11 | 3.8K | 5.7K |
| 689 | Inorganic Chemistry | 1 | 11 | 294 | 489 |
| 689 | Neurosurgery | 1 | 11 | 2.1K | 2.5K |
| 689 | Ecophysiology | 1 | 11 | 549 | 776 |
| 689 | Waste management | 1 | 11 | 2.9K | 3.3K |
| 689 | Water Purification | 1 | 11 | 2.4K | 2.8K |
| 689 | Chromatography | 1 | 11 | 3.1K | 3.7K |
| 689 | mass transfer | 2 | 11 | 1.3K | 2.1K |
| 689 | Chromatographic analysis | 1 | 11 | 3.6K | 4.1K |
| 689 | fusion reactors | 3 | 11 | 345 | 560 |
| 689 | Spain | 2 | 11 | 1.0K | 884 |
| 689 | remote sensing technology | 1 | 11 | 99 | 167 |
| 705 | Economic History | 1 | 10 | 6.0K | 5.2K |
| 705 | Experimental Design | 1 | 10 | 594 | 679 |
| 705 | Landscape Ecology | 1 | 10 | 995 | 1.4K |
| 705 | Immunochemistry | 2 | 10 | 1.4K | 2.3K |
| 705 | Electromagnetic waves | 5 | 10 | 202 | 676 |
| 705 | cooperation | 1 | 10 | 349 | 348 |
| 705 | Video Games | 1 | 10 | 222 | 237 |
| 705 | mammals | 1 | 10 | 2.1K | 2.4K |
| 705 | Plasma devices | 2 | 10 | 297 | 564 |
| 714 | Building Materials | 1 | 9 | 1.7K | 2.3K |
| 714 | Veterinary Pathology | 1 | 9 | 748 | 854 |
| 714 | Mathematical Economics | 2 | 9 | 311 | 580 |
| 714 | Physical organic chemistry | 1 | 9 | 2.5K | 3.0K |
| 714 | Kalman Filtering | 2 | 9 | 173 | 255 |
| 714 | Synthetic biology | 2 | 9 | 505 | 1.0K |
| 714 | Cell cycle | 1 | 9 | 787 | 1.1K |
| 714 | cell proliferation | 1 | 9 | 872 | 1.2K |
| 714 | curriculum evaluation | 1 | 9 | 259 | 452 |
| 714 | stability | 1 | 9 | 240 | 215 |
| 714 | biological invasions | 1 | 9 | 1.2K | 1.7K |
| 714 | ground penetrating radar | 1 | 9 | 145 | 170 |
| 714 | Agriculture | 2 | 9 | 3.3K | 4.7K |
| 727 | Actuarial Science | 1 | 8 | 277 | 367 |
| 727 | Organizational learning | 1 | 8 | 1.1K | 1.2K |
| 727 | Plasma chemistry | 1 | 8 | 855 | 1.2K |
| 727 | Social Systems | 1 | 8 | 497 | 553 |
| 727 | Lymphatic system | 2 | 8 | 158 | 380 |
| 727 | Plastics | 2 | 8 | 2.4K | 3.5K |
| 727 | management | 4 | 8 | 2.9K | 5.7K |
| 727 | Plasma polymerization | 1 | 8 | 599 | 862 |
| 727 | particle beams | 2 | 8 | 395 | 642 |
| 727 | Classification | 5 | 8 | 252 | 969 |
| 727 | Dementia | 1 | 8 | 3.0K | 2.5K |
| 727 | Alzheimer's disease | 1 | 8 | 3.1K | 2.6K |
| 727 | Structure-activity relationship | 1 | 8 | 1.1K | 1.2K |
| 727 | Flow cytometry | 2 | 8 | 751 | 1.5K |
| 741 | Natural Sciences | 1 | 7 | 291 | 392 |
| 741 | Geomorphology | 3 | 7 | 993 | 2.2K |
| 741 | Embedded Systems | 1 | 7 | 393 | 513 |
| 741 | Criminal psychology | 1 | 7 | 1.4K | 1.8K |
| 741 | Phonetics | 2 | 7 | 412 | 761 |
| 741 | Forensic Psychology | 1 | 7 | 837 | 1.1K |
| 741 | Algebraic Logic | 3 | 7 | 44 | 72 |
| 741 | Artificial Organs | 2 | 7 | 1.2K | 1.9K |
| 741 | Mass Spectrometry | 2 | 7 | 1.9K | 3.2K |
| 741 | Knowledge management | 1 | 7 | 1.0K | 1.1K |
| 741 | Laboratories | 1 | 7 | 42 | 47 |
| 741 | Acarology | 1 | 7 | 665 | 985 |
| 741 | Digital Audio Broadcasting | 1 | 7 | 76 | 106 |
| 741 | Mites | 1 | 7 | 930 | 1.2K |
| 741 | Ticks | 1 | 7 | 726 | 1.0K |
| 741 | Acari | 1 | 7 | 639 | 976 |
| 757 | Ethics | 2 | 6 | 1.5K | 2.6K |
| 757 | Nuclear Medicine | 1 | 6 | 2.0K | 2.4K |
| 757 | Production Planning | 1 | 6 | 585 | 1.0K |
| 757 | Reverse Engineering | 1 | 6 | 7 | 16 |
| 757 | Radiopharmaceuticals | 1 | 6 | 922 | 1.0K |
| 757 | Bibliometrics | 1 | 6 | 130 | 336 |
| 757 | Lightweight Materials | 1 | 6 | 68 | 93 |
| 757 | electric vehicles | 1 | 6 | 544 | 626 |
| 757 | Production Control | 1 | 6 | 567 | 1.0K |
| 757 | Radiobiology | 1 | 6 | 3.2K | 3.6K |
| 757 | Molecular ecology | 1 | 6 | 2.2K | 3.2K |
| 757 | X-rays | 2 | 6 | 1.1K | 1.9K |
| 757 | natural products | 1 | 6 | 3.4K | 4.1K |
| 757 | optical pattern recognition | 2 | 6 | 199 | 412 |
| 757 | biological agents | 1 | 6 | 1.5K | 1.4K |
| 757 | Topological algebras | 4 | 6 | 5 | 14 |
| 757 | Chemical reactors | 1 | 6 | 281 | 333 |
| 774 | Archaeology | 1 | 5 | 2.3K | 2.5K |
| 774 | Oncology | 1 | 5 | 4.4K | 6.2K |
| 774 | Genetic engineering | 1 | 5 | 4.0K | 5.4K |
| 774 | Engineering Ethics | 1 | 5 | 501 | 881 |
| 774 | Music Theory | 1 | 5 | 246 | 166 |
| 774 | voice | 1 | 5 | 1.0K | 1.4K |
| 774 | Animal ecology | 1 | 5 | 2.2K | 2.9K |
| 774 | Professional ethics | 1 | 5 | 694 | 1.2K |
| 774 | Genetic regulation | 1 | 5 | 2.4K | 3.3K |
| 774 | Stem cells | 1 | 5 | 3.2K | 4.2K |
| 774 | Electromagnetic fields | 1 | 5 | 766 | 929 |
| 774 | Birds | 1 | 5 | 2.2K | 2.6K |
| 774 | India | 2 | 5 | 2.9K | 4.0K |
| 774 | cloning | 1 | 5 | 1.5K | 2.3K |
| 774 | eugenics | 2 | 5 | 1.2K | 2.5K |
| 774 | Digestive system diseases | 1 | 5 | 2.0K | 2.9K |
| 790 | Pharmacy | 1 | 4 | 4.0K | 5.4K |
| 790 | Social Choice Theory | 1 | 4 | 441 | 618 |
| 790 | Polymer Engineering | 1 | 4 | 385 | 597 |
| 790 | Visual Communication | 1 | 4 | 598 | 811 |
| 790 | Pharmaceutical Technology | 1 | 4 | 2.9K | 4.0K |
| 790 | Phonology | 1 | 4 | 180 | 258 |
| 790 | Financial Engineering | 1 | 4 | 515 | 834 |
| 790 | Molecular Genetics | 1 | 4 | 3.5K | 5.0K |
| 790 | Welfare Economics | 1 | 4 | 837 | 1.1K |
| 790 | History of Medicine | 2 | 4 | 781 | 989 |
| 790 | infrared radiation | 1 | 4 | 703 | 1.0K |
| 790 | Image enhancement | 1 | 4 | 280 | 566 |
| 790 | Calorimetry | 1 | 4 | 2.2K | 3.0K |
| 790 | infrared technology | 1 | 4 | 531 | 649 |
| 790 | Seismometers | 1 | 4 | 43 | 43 |
| 790 | Seismometry | 1 | 4 | 43 | 43 |
| 790 | drug evaluation | 1 | 4 | 2.8K | 4.2K |
| 790 | Thermal analysis | 1 | 4 | 2.2K | 3.0K |
| 808 | Genetic Counseling | 1 | 3 | 756 | 1.2K |
| 808 | Economic Geography | 1 | 3 | 747 | 1.1K |
| 808 | Language Disorders | 1 | 3 | 1.6K | 2.3K |
| 808 | Urban Economics | 1 | 3 | 442 | 780 |
| 808 | Naval Architecture | 1 | 3 | 930 | 1.0K |
| 808 | Labor Economics | 1 | 3 | 746 | 1.1K |
| 808 | Electrophoresis | 1 | 3 | 3.2K | 4.5K |
| 808 | Fracture mechanics | 1 | 3 | 1.7K | 2.5K |
| 808 | Marine invertebrates | 1 | 3 | 566 | 860 |
| 808 | Ocean Engineering | 1 | 3 | 1.6K | 2.5K |
| 808 | Intelligent Tutoring Systems | 1 | 3 | 128 | 198 |
| 808 | Urbanization | 1 | 3 | 450 | 731 |
| 808 | Social Media | 1 | 3 | 445 | 601 |
| 808 | Globalization | 1 | 3 | 1.1K | 1.8K |
| 808 | Qualitative Research | 1 | 3 | 909 | 1.4K |
| 808 | Speech Disorders | 1 | 3 | 1.8K | 2.6K |
| 808 | atmosphere | 1 | 3 | 936 | 1.5K |
| 808 | ADA | 2 | 3 | 81 | 101 |
| 808 | Developing countries | 1 | 3 | 3.8K | 5.4K |
| 827 | Plant Genetics | 1 | 2 | 1.4K | 2.1K |
| 827 | Theology | 1 | 2 | 1.9K | 1.4K |
| 827 | Evolutionary Genetics | 1 | 2 | 1.4K | 2.4K |
| 827 | Molecular Epidemiology | 1 | 2 | 1.4K | 2.4K |
| 827 | Acoustic holography | 1 | 2 | 205 | 192 |
| 827 | Evolutionary economics | 1 | 2 | 378 | 687 |
| 827 | Electromagnetic compatibility | 1 | 2 | 773 | 1.1K |
| 827 | Long-Term Care | 1 | 2 | 1.2K | 1.9K |
| 827 | Long-term care facilities | 1 | 2 | 1.2K | 1.9K |
| 827 | Plant genetic engineering | 1 | 2 | 1.8K | 2.7K |
| 827 | Technological Innovations | 2 | 2 | 1.4K | 3.0K |
| 827 | Holography | 1 | 2 | 205 | 192 |
| 827 | Acoustic imaging | 1 | 2 | 205 | 192 |
| 827 | Visual Perception | 2 | 2 | 562 | 1.2K |
| 827 | environmental control | 1 | 2 | 577 | 1.0K |
| 827 | marketing | 1 | 2 | 2.7K | 3.7K |
| 827 | Library Science | 1 | 2 | 2.6K | 3.0K |
| 827 | thinking | 1 | 2 | 396 | 719 |
| 827 | Learning | 1 | 2 | 2.4K | 3.4K |
| 827 | Social behavior | 1 | 2 | 2.2K | 3.3K |
| 827 | Microstructure | 1 | 2 | 1.1K | 1.8K |
| 827 | planning | 1 | 2 | 1.2K | 2.1K |
| 827 | mathematical concepts | 1 | 2 | 948 | 1.4K |
| 827 | applications | 3 | 2 | 33 | 100 |
| 827 | Population Dynamics | 1 | 2 | 429 | 791 |
| 852 | History | 1 | 1 | 2.1K | 2.0K |
| 852 | Audiology | 1 | 1 | 1.5K | 2.2K |
| 852 | Cytogenetics | 1 | 1 | 3.2K | 4.8K |
| 852 | Industrial Safety | 1 | 1 | 2.1K | 3.2K |
| 852 | Integrated Optics | 1 | 1 | 224 | 400 |
| 852 | Electronic Packaging | 1 | 1 | 524 | 890 |
| 852 | Liquid Crystals | 1 | 1 | 1.7K | 2.3K |
| 852 | Ferroelectricity | 1 | 1 | 2.0K | 2.7K |
| 852 | Entrepreneurship | 1 | 1 | 1.6K | 2.6K |
| 852 | air quality | 1 | 1 | 593 | 1.3K |
| 852 | Broadcasting | 1 | 1 | 352 | 681 |
| 852 | Electrons | 1 | 1 | 20 | 87 |
| 852 | Detergents | 1 | 1 | 155 | 295 |
| 852 | Computer Literacy | 1 | 1 | 515 | 937 |
| 852 | RNA | 1 | 1 | 1.2K | 1.9K |
| 852 | Radio frequency | 1 | 1 | 1.2K | 1.9K |
| 868 | Radiology | 1 | 0 | 2.8K | 4.1K |
| 868 | Anthropology | 1 | 0 | 3.2K | 4.5K |
| 868 | Geriatrics | 1 | 0 | 6.0K | 8.0K |
| 868 | Aerospace Engineering | 1 | 0 | 760 | 1.3K |
| 868 | Health Information Management | 1 | 0 | 261 | 688 |
| 868 | Quantum Computing | 1 | 0 | 378 | 565 |
| 868 | Nonparametric Statistics | 1 | 0 | 398 | 744 |
| 868 | Petrology | 1 | 0 | 1.3K | 1.9K |
| 868 | Quantum Chemistry | 2 | 0 | 1.4K | 2.6K |
| 868 | Space telescopes | 1 | 0 | 395 | 604 |
| 868 | Cognitive Radio Networks | 1 | 0 | 348 | 594 |
| 868 | Elderly | 1 | 0 | 2.7K | 3.3K |
| 868 | older people | 1 | 0 | 3.4K | 4.6K |
| 868 | confidentiality | 1 | 0 | 13 | 32 |
| 868 | commerce | 1 | 0 | 2.6K | 3.8K |
| 868 | Shipping | 1 | 0 | 210 | 442 |
| 868 | arthritis | 1 | 0 | 2.6K | 3.8K |
| 868 | Aging | 1 | 0 | 5.5K | 7.3K |
