| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Materials | 293 | 10,569 | 524 | 549 |
| 2 | Nanotechnology | 137 | 5,541 | 795 | 809 |
| 3 | Chemistry | 267 | 5,360 | 1.4K | 2.0K |
| 4 | Optical materials | 38 | 4,643 | 708 | 284 |
| 5 | Materials Science | 203 | 4,464 | 492 | 725 |
| 6 | Chemical Engineering | 83 | 3,690 | 737 | 599 |
| 7 | nanoscience | 65 | 3,276 | 610 | 554 |
| 8 | Biocompatible Materials | 64 | 2,946 | 953 | 892 |
| 9 | Analytical Chemistry | 80 | 2,227 | 918 | 927 |
| 10 | Electrochemistry | 83 | 2,223 | 588 | 426 |
| 11 | Catalysis | 56 | 1,926 | 944 | 925 |
| 12 | Systems Engineering | 75 | 1,901 | 186 | 164 |
| 13 | Nanostructured Materials | 57 | 1,846 | 848 | 794 |
| 14 | Green Chemistry | 38 | 1,819 | 414 | 404 |
| 15 | Energy Conversion | 22 | 1,555 | 430 | 437 |
| 16 | Environmental Chemistry | 11 | 1,496 | 1.3K | 611 |
| 17 | Cybernetics | 27 | 1,479 | 401 | 287 |
| 18 | Sustainable Engineering | 33 | 1,449 | 360 | 327 |
| 19 | Artificial Intelligence | 47 | 1,330 | 892 | 814 |
| 20 | Metallurgy | 146 | 1,257 | 147 | 339 |
| 21 | Biochemical Engineering | 16 | 1,215 | 1.1K | 1.2K |
| 22 | Mathematics | 94 | 1,175 | 1.3K | 1.0K |
| 23 | Physics | 103 | 1,138 | 2.4K | 5.4K |
| 24 | fuel cells | 27 | 1,136 | 384 | 434 |
| 25 | Biomedical Engineering | 42 | 1,085 | 1.4K | 1.5K |
| 26 | Control Theory | 51 | 1,042 | 286 | 309 |
| 27 | Automation | 31 | 970 | 524 | 533 |
| 28 | coal | 35 | 933 | 57 | 103 |
| 29 | Neural circuitry | 26 | 922 | 280 | 297 |
| 30 | Science | 30 | 890 | 5.3K | 6.5K |
| 31 | Iron | 115 | 854 | 35 | 72 |
| 32 | Pollution | 27 | 853 | 2.2K | 2.5K |
| 33 | Ecology | 21 | 849 | 3.1K | 3.1K |
| 34 | Environment | 21 | 780 | 2.2K | 2.8K |
| 35 | Composite Materials | 30 | 767 | 484 | 525 |
| 36 | environmental pollution | 26 | 760 | 1.6K | 1.7K |
| 37 | China | 38 | 746 | 621 | 518 |
| 38 | Environmental Health | 23 | 714 | 2.4K | 2.6K |
| 39 | health planning | 16 | 713 | 508 | 236 |
| 40 | Signal Processing | 34 | 708 | 713 | 892 |
| 41 | Biomass Energy | 18 | 684 | 851 | 934 |
| 42 | Magnetic Materials | 14 | 642 | 795 | 485 |
| 43 | Colloids | 28 | 629 | 1.3K | 1.6K |
| 44 | Environmental Management | 16 | 628 | 1.0K | 1.1K |
| 45 | Biotechnology | 27 | 584 | 2.8K | 3.7K |
| 46 | Manufacturing Processes | 35 | 578 | 468 | 567 |
| 47 | Surface Chemistry | 23 | 568 | 1.4K | 1.6K |
| 48 | Ceramics | 37 | 565 | 395 | 541 |
| 48 | Metals | 55 | 565 | 323 | 484 |
| 50 | Optics | 43 | 559 | 1.6K | 1.8K |
| 51 | Molecular Biology | 24 | 532 | 4.3K | 5.4K |
| 52 | Bioengineering | 22 | 527 | 1.8K | 2.7K |
| 53 | Nanoparticles | 36 | 511 | 415 | 847 |
| 54 | Biochemistry | 26 | 509 | 4.4K | 5.0K |
| 55 | Nonlinear systems | 18 | 481 | 155 | 136 |
| 56 | Combustion | 21 | 477 | 287 | 236 |
| 57 | Renewable Energy Sources | 10 | 469 | 949 | 1.2K |
| 58 | Statistical physics | 35 | 454 | 1.4K | 1.7K |
| 59 | Power Electronics | 15 | 450 | 455 | 521 |
| 60 | Polymers | 47 | 442 | 1.6K | 2.4K |
| 61 | Telecommunication Systems | 16 | 430 | 540 | 298 |
| 62 | Organic Chemistry | 18 | 426 | 1.7K | 1.6K |
| 63 | Industrial Engineering | 16 | 410 | 794 | 798 |
| 64 | Energy Storage | 25 | 391 | 349 | 577 |
| 65 | Spectrum analysis | 32 | 387 | 1.4K | 2.1K |
| 66 | Production Engineering | 29 | 385 | 476 | 630 |
| 67 | Biology | 27 | 368 | 5.3K | 8.1K |
| 68 | Carbon | 3 | 367 | 890 | 446 |
| 69 | Computational Biology | 17 | 363 | 1.5K | 1.8K |
| 70 | Electronics | 21 | 358 | 1.7K | 1.7K |
| 71 | actuators | 7 | 356 | 856 | 542 |
| 71 | transducers | 7 | 356 | 856 | 542 |
| 73 | Solid State Chemistry | 22 | 348 | 620 | 706 |
| 73 | miniaturization | 14 | 348 | 1.0K | 1.5K |
| 75 | Bioorganic chemistry | 12 | 338 | 1.6K | 1.6K |
| 76 | Measurement | 13 | 333 | 291 | 241 |
| 77 | Ceramic materials | 19 | 331 | 243 | 286 |
| 77 | Research | 20 | 331 | 5.5K | 6.8K |
| 79 | Energy Policy | 20 | 319 | 443 | 937 |
| 80 | pottery | 24 | 318 | 385 | 689 |
| 81 | Glass | 24 | 312 | 394 | 715 |
| 82 | Japan | 42 | 308 | 434 | 658 |
| 83 | Microelectronics | 6 | 302 | 1.5K | 1.3K |
| 84 | nucleic acids | 2 | 298 | 2.8K | 1.8K |
| 85 | Mechanical Engineering | 34 | 291 | 632 | 758 |
| 86 | Pharmaceutical Chemistry | 7 | 279 | 3.4K | 2.9K |
| 87 | Nanostructures | 18 | 270 | 674 | 1.4K |
| 88 | Nanochemistry | 14 | 259 | 408 | 358 |
| 89 | Semiconductors | 8 | 258 | 763 | 367 |
| 90 | Robotics | 22 | 254 | 514 | 833 |
| 91 | Solid State Physics | 36 | 250 | 1.6K | 2.4K |
| 92 | Water pollution | 14 | 249 | 1.3K | 1.9K |
| 93 | polymerization | 31 | 247 | 1.6K | 2.6K |
| 94 | Building Materials | 8 | 245 | 543 | 671 |
| 95 | Bioinformatics | 14 | 240 | 1.3K | 1.8K |
| 96 | Nervous system | 4 | 239 | 2.7K | 2.3K |
| 97 | particles | 9 | 237 | 342 | 271 |
| 98 | vibration | 7 | 235 | 686 | 424 |
| 99 | Calorimetry | 15 | 232 | 231 | 261 |
| 99 | System analysis | 16 | 232 | 952 | 1.2K |
| 99 | Thermal analysis | 15 | 232 | 231 | 261 |
| 102 | Environmental Policy | 9 | 225 | 1.8K | 2.5K |
| 103 | Condensed Matter | 30 | 223 | 1.6K | 2.4K |
| 104 | Environmental monitoring | 10 | 222 | 2.4K | 3.0K |
| 105 | Biophysics | 9 | 217 | 4.5K | 4.4K |
| 105 | Environmental Engineering | 16 | 217 | 1.9K | 3.1K |
| 107 | Water | 5 | 215 | 1.7K | 1.8K |
| 107 | environmental protection | 11 | 215 | 1.9K | 2.6K |
| 109 | Medicine | 17 | 207 | 7.3K | 10.1K |
| 110 | Structural dynamics | 3 | 206 | 818 | 497 |
| 111 | Nuclear Physics | 7 | 201 | 3.5K | 2.9K |
| 111 | Physical Chemistry | 5 | 201 | 2.3K | 1.9K |
| 111 | Nonlinear functional analysis | 3 | 201 | 501 | 172 |
| 114 | Heat Exchangers | 7 | 196 | 269 | 374 |
| 115 | Technology | 14 | 192 | 2.2K | 2.8K |
| 116 | Clinical Chemistry | 4 | 189 | 3.1K | 2.6K |
| 117 | Chemical analysis | 11 | 187 | 701 | 946 |
| 118 | Wireless Communication Systems | 9 | 184 | 1.5K | 1.4K |
| 119 | Information Science | 3 | 171 | 2.1K | 1.2K |
| 120 | Biomass | 2 | 169 | 248 | 116 |
| 121 | Tribology | 11 | 159 | 511 | 586 |
| 121 | energy conservation | 10 | 159 | 801 | 1.4K |
| 121 | Chemical processes | 9 | 159 | 317 | 376 |
| 124 | Biosensors | 3 | 156 | 1.3K | 1.4K |
| 124 | Bioelectronics | 3 | 156 | 1.1K | 1.2K |
| 126 | Entropy | 14 | 154 | 378 | 507 |
| 127 | Nonlinear Dynamics | 13 | 153 | 1.4K | 1.8K |
| 128 | Adaptive control systems | 19 | 152 | 119 | 268 |
| 129 | Information Technology | 11 | 151 | 1.3K | 1.6K |
| 130 | Organometallic chemistry | 15 | 149 | 761 | 1.2K |
| 131 | radiative transfer | 3 | 145 | 251 | 126 |
| 131 | Radiation | 3 | 145 | 2.2K | 1.3K |
| 133 | Fuzzy systems | 17 | 143 | 497 | 743 |
| 134 | Computational Intelligence | 7 | 142 | 579 | 474 |
| 135 | Computational Complexity | 5 | 141 | 692 | 335 |
| 135 | Luminescence | 14 | 141 | 182 | 332 |
| 137 | Granular materials | 7 | 130 | 145 | 233 |
| 138 | Electromagnetism | 3 | 126 | 1.2K | 725 |
| 139 | machinery | 10 | 120 | 217 | 245 |
| 140 | Engineering | 22 | 114 | 1.6K | 3.2K |
| 141 | Analytical Biochemistry | 5 | 113 | 1.4K | 1.5K |
| 142 | Engineering Mathematics | 18 | 108 | 981 | 1.6K |
| 142 | Mineralogy | 12 | 108 | 797 | 1.3K |
| 144 | Multimedia Systems | 8 | 104 | 1.1K | 1.1K |
| 145 | Refractory materials | 32 | 102 | 18 | 23 |
| 146 | Waste management | 11 | 99 | 773 | 1.3K |
| 147 | sanitation | 2 | 98 | 2.5K | 2.7K |
| 147 | Water Purification | 10 | 98 | 670 | 1.1K |
| 147 | Water quality management | 10 | 98 | 1.1K | 1.7K |
| 150 | Structural Engineering | 9 | 97 | 750 | 940 |
| 151 | Soft Condensed Matter | 2 | 94 | 1.6K | 1.2K |
| 151 | biopolymers | 2 | 94 | 1.8K | 1.3K |
| 153 | mass transfer | 5 | 86 | 821 | 983 |
| 154 | Pediatrics | 1 | 85 | 5.0K | 3.5K |
| 154 | Organometallic compounds | 7 | 85 | 970 | 1.3K |
| 154 | Zeolites | 3 | 85 | 360 | 428 |
| 157 | Mining Engineering | 8 | 83 | 292 | 331 |
| 158 | Metallography | 8 | 81 | 145 | 300 |
| 158 | Membranes | 1 | 81 | 2.3K | 1.7K |
| 160 | Mechatronics | 6 | 79 | 510 | 823 |
| 161 | Chemical industry | 23 | 78 | 384 | 1.2K |
| 161 | Detectors | 14 | 78 | 594 | 1.4K |
| 163 | biological factors | 3 | 77 | 2.6K | 2.5K |
| 163 | amino acids | 3 | 77 | 907 | 992 |
| 165 | Mathematical Physics | 17 | 76 | 1.3K | 2.1K |
| 166 | Boundary Value Problems | 1 | 73 | 1.4K | 642 |
| 166 | Antenna Arrays | 1 | 73 | 962 | 573 |
| 166 | plasma spraying | 3 | 73 | 284 | 278 |
| 169 | rehabilitation | 5 | 72 | 2.2K | 2.9K |
| 170 | Evolutionary Computation | 2 | 70 | 498 | 628 |
| 170 | Behavior | 2 | 70 | 4.3K | 4.2K |
| 172 | computer networks | 8 | 69 | 1.5K | 2.2K |
| 172 | Fluorescence | 3 | 69 | 439 | 396 |
| 172 | lasers | 11 | 69 | 1.2K | 1.9K |
| 175 | Materials Engineering | 5 | 65 | 530 | 580 |
| 175 | Computer Vision | 2 | 65 | 1.2K | 1.3K |
| 175 | Bioinorganic chemistry | 6 | 65 | 1.2K | 1.7K |
| 178 | Structural optimization | 3 | 60 | 402 | 462 |
| 179 | Alloys | 19 | 59 | 56 | 190 |
| 180 | Information Theory | 12 | 58 | 701 | 1.6K |
| 180 | Metallic Glasses | 4 | 58 | 110 | 169 |
| 182 | Agricultural Chemistry | 3 | 57 | 3.0K | 3.4K |
| 183 | Crystallography | 19 | 56 | 792 | 1.5K |
| 183 | Mycology | 6 | 56 | 1.3K | 2.0K |
| 183 | concrete | 7 | 56 | 423 | 854 |
| 183 | India | 3 | 56 | 2.3K | 1.2K |
| 187 | Engineering Geology | 4 | 55 | 1.2K | 1.6K |
| 187 | Stochastic Processes | 3 | 55 | 1.0K | 951 |
| 187 | Hazardous waste | 4 | 55 | 761 | 1.6K |
| 190 | Fluid Mechanics | 5 | 54 | 1.8K | 2.1K |
| 190 | radioactive waste | 3 | 54 | 707 | 1.5K |
| 190 | industrial waste | 3 | 54 | 789 | 1.5K |
| 193 | Intercultural Communication | 1 | 53 | 575 | 216 |
| 193 | Cross-Cultural Studies | 1 | 53 | 1.1K | 595 |
| 193 | Electrochemical Analysis | 4 | 53 | 969 | 1.3K |
| 196 | Electrical Engineering | 7 | 52 | 3.0K | 3.1K |
| 196 | Environmental Toxicology | 4 | 52 | 2.6K | 4.0K |
| 196 | health services accessibility | 1 | 52 | 1.9K | 1.1K |
| 196 | Socioeconomic Factors | 1 | 52 | 1.7K | 1.2K |
| 196 | Molecular Spectroscopy | 4 | 52 | 1.4K | 1.9K |
| 196 | explosives | 1 | 52 | 531 | 202 |
| 202 | reasoning | 2 | 51 | 222 | 181 |
| 203 | Systems Analysis | 4 | 50 | 1.1K | 1.4K |
| 203 | Cognitive Science | 7 | 50 | 1.0K | 2.2K |
| 205 | Civil Engineering | 12 | 49 | 766 | 1.4K |
| 205 | Physical organic chemistry | 5 | 49 | 1.3K | 1.9K |
| 205 | Fracture mechanics | 3 | 49 | 1.1K | 1.2K |
| 205 | clay | 3 | 49 | 542 | 909 |
| 209 | Astronomy | 3 | 47 | 2.9K | 3.1K |
| 209 | Plasma chemistry | 8 | 47 | 215 | 600 |
| 209 | Multilingualism | 1 | 47 | 583 | 327 |
| 209 | bioluminescence | 5 | 47 | 260 | 361 |
| 209 | cultural pluralism | 1 | 47 | 743 | 417 |
| 214 | Dynamics | 10 | 45 | 984 | 1.9K |
| 214 | Auditing | 2 | 45 | 430 | 456 |
| 216 | Sedimentology | 2 | 44 | 993 | 1.1K |
| 216 | Genetic algorithms | 1 | 44 | 597 | 648 |
| 216 | Porous materials | 5 | 44 | 626 | 939 |
| 216 | Nanotubes | 5 | 44 | 132 | 162 |
| 220 | Fractals | 3 | 43 | 647 | 894 |
| 221 | soil pollution | 3 | 42 | 647 | 891 |
| 221 | Supramolecular chemistry | 5 | 42 | 154 | 263 |
| 223 | Medical Laboratory Science | 3 | 40 | 2.8K | 4.0K |
| 223 | Microbiology | 4 | 40 | 7.3K | 10.0K |
| 223 | Systems Biology | 2 | 40 | 2.6K | 2.7K |
| 223 | Hydrodynamics | 1 | 40 | 797 | 595 |
| 223 | Intelligent Control Systems | 8 | 40 | 644 | 1.2K |
| 223 | marketing | 1 | 40 | 2.7K | 2.1K |
| 223 | peptides | 3 | 40 | 1.2K | 1.4K |
| 223 | cell physiology | 2 | 40 | 2.4K | 3.1K |
| 223 | proteins | 3 | 40 | 2.8K | 3.5K |
| 232 | Rock Mechanics | 1 | 39 | 1.3K | 976 |
| 233 | Regional Planning | 2 | 38 | 2.1K | 2.0K |
| 233 | Ocean Engineering | 4 | 38 | 880 | 1.4K |
| 233 | Chemical kinetics | 6 | 38 | 570 | 861 |
| 233 | Radio waves | 1 | 38 | 1.6K | 1.3K |
| 233 | Radio | 1 | 38 | 2.8K | 2.2K |
| 238 | Industrial Microbiology | 3 | 37 | 2.4K | 3.7K |
| 238 | Fungi | 4 | 37 | 816 | 1.4K |
| 240 | Thermodynamics | 5 | 36 | 566 | 803 |
| 240 | Hypertension | 1 | 36 | 3.6K | 3.9K |
| 240 | Cognitive neuroscience | 4 | 36 | 1.0K | 1.7K |
| 240 | Plasma polymerization | 5 | 36 | 199 | 496 |
| 244 | Crystal growth | 5 | 35 | 958 | 1.7K |
| 245 | Climate change | 1 | 34 | 2.1K | 2.5K |
| 245 | Biodiversity conservation | 1 | 34 | 3.1K | 3.2K |
| 245 | Eutrophication | 1 | 34 | 1.9K | 2.4K |
| 245 | Plastics | 7 | 34 | 1.3K | 2.3K |
| 245 | pigments | 4 | 34 | 313 | 683 |
| 250 | Mobile Computing | 6 | 33 | 846 | 1.5K |
| 250 | Algebra | 5 | 33 | 1.2K | 1.1K |
| 250 | finance | 1 | 33 | 3.4K | 2.5K |
| 253 | Statistics | 8 | 32 | 2.0K | 3.4K |
| 253 | Applied Mathematics | 10 | 32 | 294 | 545 |
| 255 | Nanomedicine | 3 | 31 | 276 | 702 |
| 256 | Smart Materials | 2 | 30 | 1.0K | 1.2K |
| 256 | Herbal medicine | 1 | 30 | 1.0K | 1.4K |
| 258 | Health | 1 | 29 | 5.0K | 4.4K |
| 259 | Image Processing | 7 | 28 | 1.5K | 3.1K |
| 259 | soil conservation | 3 | 28 | 956 | 1.6K |
| 259 | environmental exposure | 3 | 28 | 2.3K | 3.6K |
| 262 | Structural design | 2 | 27 | 873 | 1.1K |
| 262 | Astrophysics | 2 | 27 | 3.7K | 3.9K |
| 262 | air quality management | 2 | 27 | 562 | 986 |
| 262 | Molecular structure | 5 | 27 | 2.0K | 3.5K |
| 262 | mathematical analysis | 12 | 27 | 1.2K | 2.1K |
| 267 | Aerosols | 3 | 26 | 418 | 791 |
| 267 | Swarm Intelligence | 1 | 26 | 311 | 407 |
| 267 | language | 2 | 26 | 1.2K | 1.5K |
| 270 | Photonics | 3 | 25 | 2.2K | 3.2K |
| 270 | clay minerals | 2 | 25 | 427 | 701 |
| 270 | probabilities | 2 | 25 | 1.6K | 1.4K |
| 270 | Catalysts | 4 | 25 | 652 | 1.2K |
| 274 | infrared radiation | 5 | 24 | 261 | 552 |
| 275 | Intelligent Transportation Systems | 3 | 23 | 1.1K | 1.7K |
| 275 | Biomechanics | 4 | 23 | 1.5K | 2.6K |
| 275 | Mechanics | 5 | 23 | 1.1K | 1.9K |
| 278 | Computer Science | 7 | 22 | 1.6K | 3.1K |
| 278 | atmospheric models | 1 | 22 | 1.3K | 1.4K |
| 278 | biological monitoring | 2 | 22 | 829 | 1.4K |
| 281 | Statistical Mechanics | 5 | 21 | 825 | 1.3K |
| 281 | Molecular evolution | 1 | 21 | 2.9K | 3.3K |
| 283 | Ecological Engineering | 1 | 20 | 664 | 959 |
| 283 | Raman spectroscopy | 1 | 20 | 1.4K | 1.5K |
| 285 | Botany | 2 | 19 | 5.0K | 6.3K |
| 285 | Animal Behavior | 3 | 19 | 2.1K | 3.6K |
| 285 | Electrophoresis | 1 | 19 | 3.2K | 3.4K |
| 285 | Chromatography | 1 | 19 | 3.1K | 3.2K |
| 285 | Drying | 2 | 19 | 572 | 880 |
| 285 | Microstructure | 1 | 19 | 1.2K | 1.0K |
| 285 | software | 1 | 19 | 1.7K | 2.0K |
| 285 | Chromatographic analysis | 1 | 19 | 3.6K | 3.5K |
| 285 | Chemical reactors | 11 | 19 | 23 | 129 |
| 285 | Phylogeny | 2 | 19 | 1.2K | 1.8K |
| 295 | Medical Technology | 2 | 18 | 2.9K | 4.1K |
| 295 | Data Mining | 1 | 18 | 3.4K | 3.5K |
| 295 | Information Retrieval | 1 | 18 | 961 | 993 |
| 295 | supercritical fluids | 1 | 18 | 315 | 469 |
| 295 | carbon monoxide | 2 | 18 | 175 | 587 |
| 300 | Quantum Chemistry | 2 | 17 | 1.4K | 1.5K |
| 300 | Operations Research | 2 | 17 | 2.7K | 3.2K |
| 300 | Asia | 3 | 17 | 3.2K | 4.4K |
| 303 | Quality Assurance | 3 | 16 | 319 | 796 |
| 303 | Coatings | 1 | 16 | 645 | 549 |
| 303 | structural stability | 2 | 16 | 517 | 859 |
| 303 | Neuroplasticity | 1 | 16 | 1.0K | 1.2K |
| 303 | mycoses | 2 | 16 | 1.4K | 2.3K |
| 303 | Protective coatings | 1 | 16 | 853 | 726 |
| 303 | Eastern Europe | 1 | 16 | 2.5K | 1.4K |
| 303 | indoor air pollution | 2 | 16 | 630 | 1.2K |
| 303 | Ventilation | 2 | 16 | 846 | 1.4K |
| 303 | Sick building syndrome | 2 | 16 | 630 | 1.2K |
| 303 | human development | 1 | 16 | 1.5K | 1.8K |
| 303 | textile fibers | 1 | 16 | 1.1K | 913 |
| 303 | Textile industry | 1 | 16 | 1.1K | 866 |
| 316 | Nuclear Engineering | 1 | 15 | 2.5K | 2.2K |
| 316 | Physical Geography | 1 | 15 | 1.1K | 1.2K |
| 316 | Nuclear Fusion | 1 | 15 | 765 | 780 |
| 316 | Central Asia | 2 | 15 | 323 | 530 |
| 316 | Electromagnetic fields | 1 | 15 | 763 | 543 |
| 316 | Decision making | 5 | 15 | 1.3K | 3.4K |
| 316 | fusion reactors | 1 | 15 | 552 | 491 |
| 323 | Surface-Active Agents | 1 | 14 | 1.9K | 2.6K |
| 323 | Energy Harvesting | 3 | 14 | 513 | 1.2K |
| 323 | global environmental change | 1 | 14 | 1.6K | 2.0K |
| 323 | Surface properties | 1 | 14 | 1.9K | 2.6K |
| 323 | Earth Sciences | 3 | 14 | 3.5K | 4.9K |
| 323 | synthesis | 1 | 14 | 2.0K | 2.0K |
| 323 | environmental issues | 1 | 14 | 1.0K | 1.3K |
| 330 | Graph Theory | 1 | 13 | 1.4K | 1.0K |
| 330 | Economic History | 2 | 13 | 4.9K | 4.9K |
| 330 | Fluid Dynamics | 2 | 13 | 1.3K | 1.9K |
| 330 | Numerical Analysis | 4 | 13 | 2.3K | 3.6K |
| 330 | World Wide Web | 1 | 13 | 891 | 774 |
| 335 | Toxicology | 1 | 12 | 7.8K | 9.1K |
| 335 | Hydraulic Engineering | 3 | 12 | 972 | 1.7K |
| 335 | pollutants | 1 | 12 | 3.3K | 4.3K |
| 335 | Korea | 1 | 12 | 876 | 902 |
| 335 | Environmental pollutants | 1 | 12 | 3.9K | 4.9K |
| 335 | Combinatorial analysis | 1 | 12 | 1.5K | 1.1K |
| 341 | Ergonomics | 2 | 11 | 1.4K | 2.0K |
| 341 | Environmental Geology | 3 | 11 | 1.6K | 3.1K |
| 341 | Nondestructive testing | 1 | 11 | 1.2K | 1.2K |
| 341 | Human Geography | 1 | 11 | 2.0K | 2.0K |
| 341 | Fuzzy Logic | 1 | 11 | 267 | 370 |
| 341 | Structural health monitoring | 1 | 11 | 411 | 621 |
| 341 | Fuzzy Sets | 1 | 11 | 163 | 260 |
| 341 | Fuzzy algorithms | 1 | 11 | 163 | 260 |
| 341 | Plasma devices | 1 | 11 | 423 | 552 |
| 350 | Cryptography | 1 | 10 | 1.3K | 1.2K |
| 350 | Coding Theory | 1 | 10 | 704 | 680 |
| 350 | Microfluidics | 2 | 10 | 389 | 884 |
| 350 | Molecules | 4 | 10 | 1.5K | 2.7K |
| 350 | management | 3 | 10 | 3.4K | 5.5K |
| 355 | Computer Graphics | 1 | 9 | 2.6K | 3.1K |
| 355 | Climatology | 2 | 9 | 2.3K | 3.7K |
| 355 | Visual Communication | 1 | 9 | 605 | 653 |
| 355 | Optical Communications | 1 | 9 | 1.6K | 1.7K |
| 355 | Green Technology | 2 | 9 | 618 | 1.4K |
| 355 | Image enhancement | 1 | 9 | 280 | 474 |
| 355 | Welding | 4 | 9 | 286 | 538 |
| 355 | Communication | 1 | 9 | 3.6K | 3.9K |
| 363 | Epidemiology | 2 | 8 | 6.0K | 8.9K |
| 363 | Public Health | 2 | 8 | 9.0K | 12.3K |
| 363 | Hydrogeology | 1 | 8 | 1.4K | 1.8K |
| 363 | Organizational Sociology | 1 | 8 | 612 | 813 |
| 363 | Nanobiotechnology | 1 | 8 | 962 | 1.6K |
| 363 | Geothermal Energy | 1 | 8 | 209 | 424 |
| 363 | Alternative Medicine | 1 | 8 | 3.8K | 4.8K |
| 363 | Evidence-Based Medicine | 1 | 8 | 2.8K | 3.5K |
| 363 | complementary therapies | 1 | 8 | 4.1K | 5.1K |
| 363 | Friction | 2 | 8 | 163 | 453 |
| 363 | city planning | 1 | 8 | 2.7K | 3.1K |
| 363 | organization | 1 | 8 | 1.2K | 1.6K |
| 363 | extraterrestrial environment | 1 | 8 | 642 | 967 |
| 363 | astronomical phenomena | 1 | 8 | 519 | 812 |
| 363 | Europe | 1 | 8 | 6.5K | 6.8K |
| 378 | Economics | 2 | 7 | 5.3K | 6.5K |
| 378 | Adhesion | 1 | 7 | 1.1K | 1.5K |
| 378 | adhesives | 1 | 7 | 1.2K | 1.6K |
| 381 | Soil Mechanics | 3 | 6 | 1.0K | 2.0K |
| 381 | Nanophotonics | 1 | 6 | 712 | 1.0K |
| 381 | Nonlinear mechanics | 1 | 6 | 262 | 471 |
| 384 | Flexible manufacturing systems | 1 | 5 | 475 | 969 |
| 384 | Diagnostic Imaging | 4 | 5 | 2.4K | 5.1K |
| 384 | Risk assessment | 1 | 5 | 1.4K | 2.1K |
| 384 | Environmental Geochemistry | 1 | 5 | 1.3K | 1.9K |
| 384 | energy transfer | 1 | 5 | 34 | 64 |
| 384 | Imaging systems | 4 | 5 | 518 | 1.6K |
| 384 | Minerals | 1 | 5 | 1.6K | 2.3K |
| 384 | Biodiversity | 4 | 5 | 2.6K | 5.6K |
| 384 | impact | 1 | 5 | 250 | 457 |
| 393 | Social Sciences | 4 | 4 | 4.0K | 7.8K |
| 393 | Humanities | 4 | 4 | 1.9K | 3.9K |
| 393 | Sociology | 4 | 4 | 3.0K | 6.9K |
| 393 | Systems Theory | 1 | 4 | 1.5K | 2.0K |
| 393 | Computer Engineering | 1 | 4 | 1.3K | 1.8K |
| 393 | Econometrics | 2 | 4 | 1.9K | 2.9K |
| 393 | Optoelectronics | 4 | 4 | 410 | 1.2K |
| 393 | Expert Systems | 1 | 4 | 577 | 974 |
| 393 | soil microbiology | 1 | 4 | 2.4K | 3.8K |
| 393 | micromechanics | 1 | 4 | 1.0K | 1.6K |
| 393 | Technological Innovations | 2 | 4 | 1.4K | 2.8K |
| 393 | Plant diseases | 1 | 4 | 3.3K | 4.2K |
| 393 | electrocatalysis | 2 | 4 | 142 | 514 |
| 393 | Microwaves | 2 | 4 | 2.0K | 3.0K |
| 407 | Pharmacology | 1 | 3 | 8.8K | 11.2K |
| 407 | Pharmacy | 1 | 3 | 3.9K | 5.5K |
| 407 | Occupational Therapy | 2 | 3 | 1.6K | 3.0K |
| 407 | Sustainable Development | 1 | 3 | 3.7K | 5.1K |
| 407 | Pharmacognosy | 1 | 3 | 3.2K | 4.6K |
| 407 | Geometry | 5 | 3 | 1.0K | 2.1K |
| 407 | Geophysics | 2 | 3 | 4.5K | 6.9K |
| 407 | Earthquake Engineering | 1 | 3 | 1.5K | 2.2K |
| 407 | Pharmaceutical Technology | 1 | 3 | 2.9K | 4.1K |
| 407 | Economic Development | 2 | 3 | 2.1K | 3.9K |
| 407 | Pharmacokinetics | 1 | 3 | 1.9K | 2.9K |
| 407 | Tourism | 1 | 3 | 2.4K | 3.3K |
| 407 | Calculus of Variations | 1 | 3 | 882 | 1.1K |
| 407 | sustainability | 1 | 3 | 1.7K | 2.5K |
| 407 | Solutions | 1 | 3 | 817 | 1.2K |
| 407 | Telecommunication | 4 | 3 | 2.6K | 5.2K |
| 407 | energy development | 1 | 3 | 1.7K | 2.7K |
| 407 | Natural history | 4 | 3 | 4.8K | 9.8K |
| 407 | Women's health | 1 | 3 | 3.0K | 4.2K |
| 407 | drugs | 1 | 3 | 3.9K | 5.5K |
| 407 | Cancer | 1 | 3 | 6.6K | 8.1K |
| 428 | Marine Engineering | 1 | 2 | 993 | 1.1K |
| 428 | Public Policy | 1 | 2 | 3.2K | 4.9K |
| 428 | Naval Architecture | 1 | 2 | 928 | 1.1K |
| 428 | Quantum electronics | 2 | 2 | 2.4K | 3.8K |
| 428 | Bioremediation | 1 | 2 | 1.4K | 2.4K |
| 428 | Mass Spectrometry | 1 | 2 | 2.7K | 3.8K |
| 428 | Water quality | 1 | 2 | 669 | 1.3K |
| 428 | landscapes | 1 | 2 | 447 | 813 |
| 428 | Optoelectronic devices | 2 | 2 | 1.5K | 2.5K |
| 428 | East Asia | 2 | 2 | 1.3K | 1.8K |
| 428 | natural products | 1 | 2 | 3.3K | 4.5K |
| 428 | animal diseases | 1 | 2 | 1.1K | 1.8K |
| 428 | commerce | 1 | 2 | 2.5K | 3.4K |
| 428 | Water chemistry | 1 | 2 | 940 | 1.7K |
| 442 | Geography | 1 | 1 | 4.0K | 5.5K |
| 442 | Geriatrics | 1 | 1 | 6.0K | 7.6K |
| 442 | Biogeography | 1 | 1 | 1.8K | 2.7K |
| 442 | Tissue Engineering | 2 | 1 | 484 | 1.2K |
| 442 | Diffraction | 1 | 1 | 529 | 689 |
| 442 | Translation | 2 | 1 | 191 | 386 |
| 442 | Powder Metallurgy | 1 | 1 | 1.0K | 1.4K |
| 442 | gene therapy | 1 | 1 | 2.5K | 3.8K |
| 442 | Environmental risk assessment | 1 | 1 | 983 | 1.8K |
| 442 | visualization | 1 | 1 | 3.9K | 4.1K |
| 442 | environmental control | 1 | 1 | 575 | 1.1K |
| 442 | X-rays | 1 | 1 | 1.5K | 2.2K |
| 442 | water supply | 1 | 1 | 1.9K | 2.9K |
| 442 | Planets | 1 | 1 | 2.7K | 3.9K |
| 442 | Genetic therapy | 1 | 1 | 2.6K | 3.9K |
| 442 | Approximation Theory | 1 | 1 | 496 | 716 |
| 442 | biomedicine | 1 | 1 | 1.9K | 3.3K |
| 442 | international cooperation | 2 | 1 | 909 | 2.2K |
| 460 | Philosophy | 1 | 0 | 2.9K | 3.4K |
| 460 | Sustainable Architecture | 2 | 0 | 226 | 722 |
| 460 | Hydrology | 1 | 0 | 4.3K | 6.2K |
| 460 | Occupational Health | 1 | 0 | 2.7K | 4.1K |
| 460 | Internet of Things | 1 | 0 | 1.6K | 2.4K |
| 460 | Developmental Psychology | 2 | 0 | 1.4K | 3.1K |
| 460 | Agricultural Ecology | 2 | 0 | 1.8K | 3.9K |
| 460 | Social Psychology | 2 | 0 | 2.9K | 5.7K |
| 460 | Architectural Design | 1 | 0 | 892 | 1.6K |
| 460 | Industrial Safety | 1 | 0 | 2.1K | 3.4K |
| 460 | industrial hygiene | 1 | 0 | 2.6K | 4.2K |
| 460 | Cognitive Radio Networks | 1 | 0 | 337 | 594 |
| 460 | Land use | 1 | 0 | 1.8K | 3.0K |
| 460 | business cycles | 1 | 0 | 154 | 380 |
| 460 | Quantum Optics | 1 | 0 | 1.6K | 2.3K |
| 460 | electric vehicles | 1 | 0 | 534 | 817 |
| 460 | economic policy | 1 | 0 | 4.2K | 5.8K |
| 460 | ceramic engineering | 1 | 0 | 226 | 364 |
| 460 | big data | 1 | 0 | 1.1K | 2.1K |
| 460 | land degradation | 1 | 0 | 1.1K | 1.9K |
| 460 | personality | 2 | 0 | 1.5K | 3.0K |
| 460 | Mitochondrial DNA | 1 | 0 | 610 | 1.1K |
| 460 | Social behavior | 2 | 0 | 1.7K | 3.6K |
| 460 | internet | 1 | 0 | 2.5K | 3.9K |
| 460 | multimedia | 1 | 0 | 613 | 990 |
| 460 | Atomic spectroscopy | 1 | 0 | 1.7K | 2.6K |
| 460 | Interactive multimedia | 1 | 0 | 770 | 1.3K |
| 460 | Laser Spectroscopy | 1 | 0 | 1.6K | 2.3K |
| 460 | economic development projects | 1 | 0 | 467 | 1.1K |
| 460 | Developing countries | 1 | 0 | 3.7K | 5.8K |
| 460 | degradation | 1 | 0 | 1.1K | 1.9K |
| 460 | Muscle contraction | 2 | 0 | 465 | 1.3K |
