| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Nuclear Physics | 668 | 26,802 | 330 | 271 |
| 2 | Physics | 430 | 20,486 | 892 | 1.2K |
| 3 | Chemistry | 476 | 17,304 | 871 | 948 |
| 4 | Nanotechnology | 119 | 6,957 | 896 | 692 |
| 5 | Biology | 57 | 6,414 | 3.5K | 2.4K |
| 6 | Materials | 190 | 6,077 | 762 | 850 |
| 7 | Biotechnology | 50 | 6,025 | 1.9K | 854 |
| 8 | Bioengineering | 61 | 4,777 | 884 | 677 |
| 9 | Science | 59 | 4,657 | 3.5K | 3.0K |
| 10 | Molecular Biology | 49 | 4,445 | 3.1K | 2.0K |
| 11 | Natural history | 10 | 3,634 | 3.1K | 2.2K |
| 12 | Microelectronics | 25 | 3,557 | 635 | 299 |
| 13 | miniaturization | 23 | 3,546 | 715 | 352 |
| 14 | Materials Science | 90 | 3,071 | 992 | 939 |
| 15 | Spectrum analysis | 62 | 2,899 | 867 | 686 |
| 16 | Quantum Gravity | 129 | 2,726 | 414 | 528 |
| 17 | Astrophysics | 58 | 2,679 | 1.0K | 921 |
| 18 | Statistical physics | 133 | 2,635 | 585 | 686 |
| 19 | Small Business | 22 | 2,151 | 107 | 114 |
| 20 | Biocompatible Materials | 55 | 2,124 | 1.1K | 1.1K |
| 21 | Biochemistry | 60 | 2,114 | 3.0K | 2.6K |
| 22 | Entrepreneurship | 21 | 2,074 | 131 | 101 |
| 23 | Nanostructured Materials | 61 | 2,038 | 805 | 744 |
| 24 | Computer Graphics | 38 | 1,928 | 286 | 177 |
| 25 | Mathematics | 348 | 1,894 | 471 | 775 |
| 26 | nanoscience | 36 | 1,871 | 955 | 836 |
| 27 | Polymers | 97 | 1,676 | 989 | 1.2K |
| 28 | Chemical Engineering | 43 | 1,668 | 1.2K | 1.1K |
| 29 | Biomedical Engineering | 35 | 1,643 | 1.6K | 1.1K |
| 30 | Analytical Chemistry | 50 | 1,473 | 1.3K | 1.2K |
| 31 | Economics | 97 | 1,464 | 706 | 801 |
| 32 | Technology | 25 | 1,315 | 1.5K | 797 |
| 33 | Biochemical Engineering | 8 | 1,312 | 1.8K | 1.1K |
| 34 | Engineering Mathematics | 53 | 1,289 | 358 | 223 |
| 35 | Optical materials | 25 | 1,264 | 931 | 805 |
| 36 | Catalysis | 34 | 1,229 | 1.2K | 1.2K |
| 37 | Colloids | 55 | 1,224 | 837 | 1.1K |
| 38 | Metabolism | 4 | 1,207 | 3.2K | 1.3K |
| 39 | Photochemistry | 48 | 1,189 | 145 | 201 |
| 40 | polymerization | 76 | 1,183 | 940 | 1.1K |
| 41 | Surface Chemistry | 52 | 1,148 | 784 | 1.0K |
| 42 | fuel cells | 20 | 1,089 | 509 | 449 |
| 43 | Fracture mechanics | 27 | 1,073 | 205 | 117 |
| 44 | Organometallic chemistry | 36 | 1,040 | 312 | 192 |
| 45 | Light | 39 | 1,031 | 173 | 497 |
| 46 | Optics | 64 | 1,029 | 1.2K | 1.3K |
| 47 | Engineering | 59 | 1,019 | 715 | 695 |
| 48 | System analysis | 20 | 1,018 | 786 | 333 |
| 49 | Organic Chemistry | 53 | 1,017 | 842 | 1.0K |
| 50 | Solid State Chemistry | 38 | 1,016 | 351 | 228 |
| 51 | Bioinorganic chemistry | 35 | 1,008 | 307 | 275 |
| 52 | Metals | 32 | 1,002 | 533 | 317 |
| 53 | Microbiology | 12 | 999 | 4.8K | 3.3K |
| 54 | Nanoparticles | 21 | 997 | 702 | 529 |
| 55 | Mathematical Physics | 38 | 924 | 775 | 568 |
| 56 | Solid State Physics | 54 | 826 | 1.3K | 1.5K |
| 57 | management | 33 | 809 | 824 | 956 |
| 58 | computer networks | 39 | 803 | 400 | 449 |
| 59 | Computer Science | 42 | 792 | 328 | 258 |
| 60 | Structural optimization | 16 | 733 | 103 | 75 |
| 61 | Nonlinear Dynamics | 21 | 714 | 1.0K | 847 |
| 62 | Human-Computer Interaction | 54 | 705 | 97 | 288 |
| 63 | Physical Chemistry | 34 | 674 | 770 | 1.1K |
| 64 | Oxidation | 17 | 598 | 44 | 38 |
| 65 | Intelligent Transportation Systems | 6 | 596 | 733 | 250 |
| 66 | Carbon | 12 | 593 | 306 | 285 |
| 67 | Physical organic chemistry | 26 | 575 | 396 | 425 |
| 68 | Computer-Aided Design | 18 | 565 | 281 | 245 |
| 69 | Insects | 8 | 556 | 1.0K | 408 |
| 70 | Europe | 56 | 551 | 746 | 1.1K |
| 71 | Artificial Intelligence | 29 | 542 | 1.3K | 1.5K |
| 72 | Oceanography | 11 | 522 | 1.1K | 754 |
| 73 | Bioorganic chemistry | 18 | 517 | 1.2K | 1.3K |
| 74 | Psychology | 38 | 507 | 1.7K | 2.5K |
| 75 | Mechanics | 21 | 506 | 378 | 301 |
| 76 | Genetic algorithms | 2 | 494 | 419 | 187 |
| 76 | Evolutionary Computation | 2 | 494 | 500 | 189 |
| 78 | Operations Research | 38 | 488 | 453 | 743 |
| 79 | Condensed Matter | 30 | 473 | 1.6K | 1.8K |
| 80 | Adsorption | 7 | 457 | 85 | 27 |
| 81 | Botany | 9 | 453 | 2.9K | 2.3K |
| 82 | Sociology | 49 | 451 | 608 | 1.1K |
| 83 | Magnetic Resonance Spectroscopy | 29 | 449 | 320 | 435 |
| 84 | human behavior | 18 | 446 | 892 | 1.3K |
| 85 | Behavior | 17 | 429 | 1.5K | 1.8K |
| 86 | Crisis management | 10 | 428 | 21 | 17 |
| 87 | Medicine | 26 | 414 | 5.5K | 7.5K |
| 88 | nuclear magnetic resonance spectroscopy | 26 | 407 | 198 | 247 |
| 89 | Political Science | 38 | 405 | 594 | 639 |
| 90 | NMR | 25 | 404 | 89 | 95 |
| 90 | magnetic resonance | 25 | 404 | 99 | 112 |
| 92 | Composite Materials | 17 | 399 | 793 | 839 |
| 93 | Molecules | 16 | 397 | 683 | 633 |
| 94 | Transportation | 12 | 396 | 683 | 560 |
| 95 | Social Psychology | 21 | 393 | 796 | 1.1K |
| 96 | Metallurgy | 22 | 381 | 856 | 804 |
| 97 | Linguistics | 30 | 371 | 431 | 442 |
| 98 | biological evolution | 3 | 365 | 2.6K | 1.5K |
| 99 | Production Engineering | 31 | 364 | 454 | 658 |
| 100 | Dynamics | 22 | 360 | 481 | 469 |
| 101 | emergency management | 13 | 350 | 285 | 237 |
| 101 | Image Processing | 7 | 350 | 1.5K | 1.1K |
| 103 | Energy Conversion | 6 | 349 | 1.0K | 997 |
| 104 | Computer Vision | 7 | 348 | 575 | 519 |
| 105 | Information Technology | 14 | 339 | 1.1K | 974 |
| 106 | Aging | 11 | 333 | 2.1K | 1.8K |
| 107 | Crystallography | 32 | 332 | 515 | 533 |
| 108 | Psychiatry | 20 | 331 | 2.4K | 3.2K |
| 109 | Entomology | 3 | 330 | 2.9K | 1.0K |
| 110 | Traffic Engineering | 6 | 329 | 261 | 193 |
| 111 | Geriatrics | 22 | 323 | 1.4K | 1.9K |
| 112 | Photonics | 14 | 321 | 1.1K | 1.3K |
| 113 | Smart Materials | 13 | 320 | 237 | 264 |
| 114 | Manufacturing Processes | 28 | 317 | 585 | 894 |
| 115 | Raman spectroscopy | 16 | 311 | 176 | 242 |
| 116 | Bioinformatics | 11 | 307 | 1.5K | 1.6K |
| 116 | particles | 6 | 307 | 497 | 193 |
| 118 | Strategic planning | 6 | 306 | 451 | 279 |
| 119 | Thermodynamics | 11 | 305 | 417 | 148 |
| 120 | Environmental Health | 11 | 304 | 3.6K | 4.0K |
| 121 | personality | 17 | 295 | 435 | 741 |
| 122 | Geophysics | 13 | 294 | 2.1K | 2.3K |
| 123 | Communication | 9 | 293 | 1.2K | 932 |
| 124 | Radiation | 22 | 289 | 556 | 811 |
| 125 | Structural design | 14 | 285 | 147 | 218 |
| 126 | Continuum Mechanics | 6 | 283 | 86 | 45 |
| 127 | Environmental Chemistry | 6 | 280 | 1.9K | 1.7K |
| 128 | Mechanical Engineering | 13 | 278 | 1.3K | 783 |
| 128 | Electrochemistry | 18 | 278 | 1.7K | 1.8K |
| 130 | Astronomy | 8 | 274 | 2.1K | 1.8K |
| 130 | Numerical Analysis | 17 | 274 | 984 | 895 |
| 132 | Photobiology | 11 | 266 | 315 | 361 |
| 133 | Feminism | 3 | 265 | 641 | 162 |
| 133 | actuators | 8 | 265 | 767 | 722 |
| 133 | transducers | 8 | 265 | 767 | 722 |
| 136 | Feminist Economics | 1 | 264 | 199 | 29 |
| 137 | Computational Biology | 10 | 262 | 2.1K | 2.1K |
| 138 | Quantum theory | 20 | 259 | 240 | 384 |
| 139 | Geometry | 34 | 258 | 225 | 288 |
| 139 | Pharmaceutical Chemistry | 10 | 258 | 2.9K | 3.0K |
| 141 | Meteorology | 7 | 254 | 1.8K | 1.9K |
| 142 | Research | 31 | 253 | 3.9K | 7.0K |
| 143 | Climatology | 6 | 251 | 1.6K | 1.3K |
| 144 | Statistics | 32 | 243 | 910 | 1.5K |
| 145 | Geochemistry | 8 | 241 | 1.1K | 894 |
| 146 | Educational Psychology | 8 | 238 | 857 | 762 |
| 146 | Minerals | 7 | 238 | 407 | 310 |
| 148 | Scheduling | 18 | 233 | 9 | 43 |
| 148 | Production Scheduling | 18 | 233 | 9 | 43 |
| 148 | biopolymers | 16 | 233 | 557 | 828 |
| 151 | Molecular evolution | 1 | 232 | 3.3K | 1.3K |
| 152 | Synchrotron Radiation | 19 | 230 | 111 | 171 |
| 153 | Ecology | 13 | 228 | 4.0K | 5.6K |
| 154 | Insect biochemistry | 5 | 226 | 319 | 260 |
| 155 | Public Policy | 8 | 224 | 1.1K | 1.0K |
| 156 | Nondestructive testing | 7 | 221 | 319 | 184 |
| 157 | Computational Chemistry | 3 | 220 | 866 | 531 |
| 158 | Microscopy | 28 | 217 | 567 | 814 |
| 159 | Mineralogy | 6 | 213 | 1.2K | 950 |
| 160 | Education | 27 | 212 | 1.5K | 1.8K |
| 160 | Social policy | 64 | 212 | 78 | 424 |
| 162 | Public Health | 24 | 208 | 2.7K | 4.7K |
| 163 | Epigenetics | 7 | 205 | 86 | 52 |
| 163 | Epigenomics | 7 | 205 | 83 | 49 |
| 163 | Fluorescence | 7 | 205 | 194 | 113 |
| 166 | Exercise | 3 | 197 | 1.7K | 884 |
| 167 | Navigation | 8 | 195 | 282 | 184 |
| 168 | Planets | 4 | 192 | 1.7K | 1.6K |
| 169 | Social problems | 17 | 189 | 156 | 444 |
| 170 | Psychophysiology | 9 | 186 | 1.9K | 2.5K |
| 171 | United States | 13 | 184 | 3.5K | 4.1K |
| 172 | Product Design | 18 | 183 | 63 | 113 |
| 173 | Actuarial Science | 1 | 179 | 277 | 37 |
| 173 | insurance | 1 | 179 | 640 | 103 |
| 175 | health planning | 7 | 178 | 1.1K | 918 |
| 176 | visualization | 9 | 176 | 1.1K | 658 |
| 177 | Chemical analysis | 8 | 175 | 915 | 989 |
| 178 | Information Science | 5 | 174 | 1.6K | 1.2K |
| 179 | marketing | 4 | 169 | 1.5K | 1.2K |
| 180 | Building Materials | 2 | 160 | 1.3K | 884 |
| 181 | Discrete geometry | 12 | 159 | 79 | 110 |
| 182 | Liquid Crystals | 10 | 158 | 584 | 387 |
| 183 | Social Change | 2 | 157 | 952 | 587 |
| 184 | natural products | 7 | 156 | 1.5K | 1.4K |
| 185 | Business | 14 | 154 | 897 | 1.4K |
| 186 | Economic History | 20 | 153 | 1.5K | 1.7K |
| 187 | commerce | 17 | 152 | 436 | 953 |
| 188 | Pharmacognosy | 4 | 150 | 1.8K | 1.7K |
| 188 | Information Systems | 9 | 150 | 716 | 1.0K |
| 188 | economic policy | 45 | 150 | 438 | 1.3K |
| 188 | Germany | 75 | 150 | 43 | 156 |
| 192 | Mobile Computing | 10 | 149 | 562 | 716 |
| 193 | Telecommunication | 12 | 148 | 1.4K | 1.7K |
| 194 | psychotherapy | 9 | 147 | 943 | 1.2K |
| 195 | Public Administration | 6 | 145 | 1.1K | 822 |
| 196 | Structural health monitoring | 5 | 142 | 131 | 138 |
| 196 | structural stability | 5 | 142 | 304 | 228 |
| 198 | natural disasters | 5 | 141 | 1.1K | 1.1K |
| 199 | Information Theory | 11 | 140 | 747 | 1.0K |
| 199 | Water pollution | 4 | 140 | 2.5K | 2.4K |
| 201 | Child psychology | 4 | 138 | 1.6K | 1.6K |
| 201 | Learning | 5 | 138 | 1.1K | 985 |
| 203 | philology | 108 | 137 | 25 | 27 |
| 204 | Health Education | 3 | 136 | 2.3K | 1.4K |
| 204 | medical education | 3 | 136 | 2.5K | 1.5K |
| 206 | Macroeconomics | 1 | 135 | 705 | 208 |
| 207 | Neurology | 7 | 134 | 4.7K | 5.7K |
| 208 | Ultrasonics | 8 | 133 | 637 | 1.1K |
| 209 | Biophysics | 7 | 132 | 5.0K | 5.3K |
| 209 | Energy Storage | 5 | 132 | 1.1K | 1.1K |
| 209 | Biomolecules | 10 | 132 | 196 | 569 |
| 209 | Pollution | 10 | 132 | 3.7K | 5.6K |
| 213 | Industrial Engineering | 6 | 131 | 1.6K | 1.6K |
| 213 | Epidemiology | 11 | 131 | 2.8K | 4.0K |
| 213 | Nuclear Engineering | 12 | 131 | 829 | 862 |
| 213 | Automation | 4 | 131 | 2.0K | 1.7K |
| 213 | Evolution | 1 | 131 | 3.8K | 2.1K |
| 218 | Software Engineering | 6 | 129 | 835 | 737 |
| 219 | vibration | 6 | 128 | 783 | 652 |
| 219 | Plant physiology | 6 | 128 | 1.7K | 2.2K |
| 221 | Electrochemical Analysis | 4 | 127 | 969 | 769 |
| 222 | Ultrasound | 7 | 126 | 435 | 534 |
| 223 | internet | 5 | 125 | 1.1K | 995 |
| 224 | Social Sciences | 29 | 124 | 1.2K | 2.3K |
| 225 | Renewable Energy Sources | 2 | 123 | 2.6K | 2.4K |
| 226 | probabilities | 15 | 119 | 652 | 754 |
| 227 | Decision making | 13 | 117 | 668 | 1.3K |
| 228 | Natural resources | 11 | 116 | 263 | 591 |
| 228 | Waste management | 3 | 116 | 1.8K | 1.1K |
| 230 | Fluid Mechanics | 8 | 115 | 1.4K | 1.6K |
| 230 | Molecular Spectroscopy | 4 | 115 | 1.4K | 1.2K |
| 232 | World Wide Web | 3 | 114 | 411 | 196 |
| 233 | Signal Processing | 12 | 113 | 1.4K | 2.2K |
| 234 | Ultrasonic Imaging | 5 | 110 | 307 | 358 |
| 235 | Metallic Glasses | 3 | 109 | 137 | 104 |
| 235 | Sales management | 2 | 109 | 117 | 111 |
| 235 | selling | 2 | 109 | 117 | 111 |
| 238 | Water quality management | 5 | 108 | 1.7K | 1.7K |
| 238 | Microwaves | 5 | 108 | 1.3K | 1.1K |
| 240 | Systems Engineering | 5 | 107 | 2.0K | 1.7K |
| 240 | Materials Engineering | 6 | 107 | 437 | 379 |
| 242 | Mental Disorders | 8 | 106 | 2.8K | 3.9K |
| 243 | Cement | 3 | 105 | 319 | 283 |
| 244 | Magnetic Materials | 5 | 104 | 1.4K | 1.5K |
| 245 | Neuropsychology | 5 | 102 | 2.1K | 2.4K |
| 245 | Animal Behavior | 5 | 102 | 1.6K | 2.1K |
| 247 | Electrical Engineering | 29 | 101 | 1.4K | 2.3K |
| 247 | Flexible manufacturing systems | 2 | 101 | 291 | 152 |
| 247 | Soft Condensed Matter | 6 | 101 | 923 | 1.2K |
| 247 | Environmental pollutants | 7 | 101 | 1.7K | 2.5K |
| 251 | Cosmology | 14 | 100 | 582 | 832 |
| 252 | Discourse Analysis | 2 | 99 | 494 | 287 |
| 252 | Organizational Behavior | 2 | 99 | 699 | 532 |
| 254 | Electromagnetic waves | 6 | 98 | 154 | 132 |
| 255 | Medical Technology | 6 | 97 | 1.5K | 1.9K |
| 255 | Ethology | 4 | 97 | 1.4K | 1.8K |
| 257 | Quantum Chemistry | 6 | 96 | 731 | 657 |
| 257 | Radio wave propagation | 2 | 96 | 1.3K | 671 |
| 259 | Robotics | 8 | 95 | 1.1K | 1.5K |
| 259 | Quantum electronics | 9 | 95 | 1.1K | 1.3K |
| 259 | Cognitive neuroscience | 4 | 95 | 1.0K | 1.2K |
| 259 | Nanostructures | 5 | 95 | 1.8K | 2.3K |
| 259 | Computational Complexity | 15 | 95 | 222 | 495 |
| 264 | Water Purification | 1 | 94 | 2.4K | 1.1K |
| 264 | War and Society | 1 | 94 | 404 | 294 |
| 264 | warfare | 1 | 94 | 612 | 356 |
| 264 | peace | 1 | 94 | 918 | 474 |
| 264 | Granular materials | 3 | 94 | 361 | 323 |
| 264 | international cooperation | 1 | 94 | 1.4K | 640 |
| 270 | Organometallic compounds | 4 | 93 | 1.3K | 1.3K |
| 271 | Nanochemistry | 8 | 92 | 721 | 985 |
| 271 | planning | 4 | 92 | 493 | 400 |
| 273 | Diagnostic Imaging | 4 | 91 | 2.4K | 2.2K |
| 273 | national security | 3 | 91 | 479 | 263 |
| 273 | Fuzzy systems | 4 | 91 | 1.6K | 1.0K |
| 276 | Toxicology | 5 | 90 | 4.5K | 5.4K |
| 276 | Business Ethics | 3 | 90 | 1.0K | 1.3K |
| 276 | pollutants | 5 | 90 | 1.6K | 2.3K |
| 279 | Hydrology | 5 | 89 | 2.2K | 2.4K |
| 280 | Public Choice | 9 | 87 | 157 | 382 |
| 280 | Group decision making | 9 | 87 | 222 | 503 |
| 282 | population geography | 8 | 86 | 123 | 294 |
| 283 | Intelligent Control Systems | 8 | 85 | 667 | 676 |
| 283 | environmental pollution | 7 | 85 | 3.3K | 5.0K |
| 285 | technology transfer | 5 | 84 | 111 | 289 |
| 286 | Cardiovascular system | 1 | 83 | 3.5K | 3.3K |
| 287 | Anatomy | 1 | 82 | 3.8K | 2.6K |
| 287 | Embryology | 1 | 82 | 3.1K | 2.4K |
| 287 | Developmental Biology | 1 | 82 | 3.8K | 3.0K |
| 287 | taxation | 7 | 82 | 60 | 138 |
| 287 | elasticity | 2 | 82 | 324 | 199 |
| 292 | Regional Planning | 12 | 81 | 807 | 1.4K |
| 292 | Animal ecology | 3 | 81 | 1.4K | 1.4K |
| 292 | Detectors | 14 | 81 | 595 | 1.4K |
| 295 | Electronics | 9 | 80 | 2.7K | 3.5K |
| 295 | terrorism | 1 | 80 | 622 | 206 |
| 295 | security measures | 1 | 80 | 165 | 44 |
| 295 | North America | 1 | 80 | 1.5K | 622 |
| 299 | Plastics | 9 | 79 | 1.1K | 1.5K |
| 300 | Structural Engineering | 3 | 78 | 1.4K | 1.1K |
| 300 | Plant Genetics | 2 | 78 | 1.0K | 1.1K |
| 300 | plant molecular biology | 2 | 78 | 2.1K | 2.3K |
| 300 | Mental illness | 2 | 78 | 3.3K | 3.1K |
| 304 | Research Design | 6 | 76 | 927 | 1.5K |
| 304 | Liposomes | 6 | 76 | 370 | 664 |
| 304 | Lipid bilayers | 6 | 76 | 314 | 554 |
| 304 | Plants | 1 | 76 | 4.1K | 2.8K |
| 308 | Zoology | 2 | 75 | 3.9K | 2.7K |
| 309 | Earthquake Engineering | 2 | 74 | 1.2K | 994 |
| 309 | Analytical Biochemistry | 4 | 74 | 1.7K | 1.9K |
| 309 | Ocean Engineering | 2 | 74 | 1.3K | 994 |
| 309 | Graphene | 1 | 74 | 306 | 161 |
| 309 | analysis | 1 | 74 | 598 | 439 |
| 309 | radar | 4 | 74 | 205 | 244 |
| 309 | Sonar | 4 | 74 | 180 | 208 |
| 316 | Environmental monitoring | 3 | 73 | 4.4K | 4.8K |
| 317 | Energy Harvesting | 1 | 72 | 830 | 816 |
| 318 | mass transfer | 3 | 71 | 1.1K | 1.1K |
| 318 | water supply | 3 | 71 | 1.1K | 1.3K |
| 318 | health services | 2 | 71 | 1.9K | 1.5K |
| 318 | Developing countries | 7 | 71 | 1.3K | 2.0K |
| 322 | behavioral medicine | 5 | 70 | 1.3K | 2.1K |
| 323 | Randomized Controlled Trials | 8 | 69 | 862 | 1.3K |
| 324 | Earth Sciences | 4 | 68 | 3.1K | 3.1K |
| 325 | Histology | 1 | 67 | 3.7K | 2.8K |
| 325 | Cytology | 1 | 67 | 7.4K | 6.1K |
| 325 | Journalism | 1 | 67 | 1.0K | 355 |
| 325 | Cell Biology | 1 | 67 | 7.4K | 6.1K |
| 325 | Building | 1 | 67 | 1.3K | 520 |
| 330 | Mental Health | 5 | 66 | 1.5K | 2.0K |
| 330 | Wetland ecology | 1 | 66 | 1.1K | 577 |
| 330 | Wetland conservation | 1 | 66 | 792 | 410 |
| 330 | Wetlands | 1 | 66 | 806 | 411 |
| 334 | Econometrics | 6 | 65 | 1.1K | 1.3K |
| 335 | Psychosomatic Medicine | 3 | 64 | 930 | 1.3K |
| 335 | educational planning | 2 | 64 | 583 | 502 |
| 337 | Ergonomics | 10 | 63 | 580 | 1.1K |
| 337 | Advertising | 1 | 63 | 700 | 539 |
| 337 | administrative agencies | 3 | 63 | 293 | 293 |
| 340 | Philosophy | 25 | 62 | 704 | 966 |
| 340 | Probability | 6 | 62 | 608 | 924 |
| 340 | Tourism | 5 | 62 | 1.1K | 1.6K |
| 343 | Cognitive Science | 5 | 61 | 1.3K | 2.0K |
| 343 | Quantum Communication | 3 | 61 | 206 | 292 |
| 343 | Extreme Value Theory | 8 | 61 | 24 | 86 |
| 346 | Data Mining | 4 | 60 | 1.6K | 2.2K |
| 346 | micromechanics | 3 | 60 | 546 | 668 |
| 346 | Medical innovations | 2 | 60 | 1.6K | 2.5K |
| 346 | Radio | 5 | 60 | 1.4K | 1.9K |
| 350 | Multimedia Systems | 9 | 59 | 992 | 1.5K |
| 351 | Radiology | 5 | 58 | 1.4K | 1.6K |
| 351 | Applied Linguistics | 9 | 58 | 290 | 512 |
| 351 | Combustion | 5 | 58 | 748 | 962 |
| 351 | cosmic rays | 5 | 58 | 66 | 99 |
| 351 | nuclear astrophysics | 2 | 58 | 283 | 304 |
| 351 | Chromatography | 6 | 58 | 1.4K | 2.1K |
| 351 | Government policy | 3 | 58 | 203 | 286 |
| 351 | Continental shelf | 1 | 58 | 292 | 161 |
| 351 | Chromatographic analysis | 6 | 58 | 1.6K | 2.3K |
| 360 | industrial hygiene | 14 | 57 | 460 | 1.2K |
| 361 | curriculum evaluation | 1 | 56 | 253 | 132 |
| 361 | mathematical concepts | 3 | 56 | 460 | 389 |
| 363 | Entropy | 6 | 55 | 808 | 1.1K |
| 363 | Turbulence | 4 | 55 | 290 | 334 |
| 363 | Sound | 5 | 55 | 907 | 1.1K |
| 366 | Economic Development | 5 | 54 | 1.3K | 2.0K |
| 366 | Remote Sensing | 2 | 54 | 1.5K | 1.0K |
| 366 | Geographic information systems | 2 | 54 | 1.6K | 1.1K |
| 366 | Adhesion | 1 | 54 | 1.1K | 570 |
| 366 | Ornithology | 4 | 54 | 1.1K | 1.1K |
| 366 | System design | 4 | 54 | 231 | 331 |
| 366 | adhesives | 1 | 54 | 1.2K | 579 |
| 366 | remote sensing technology | 2 | 54 | 56 | 65 |
| 374 | Internet of Things | 3 | 53 | 1.0K | 1.1K |
| 374 | Welfare Economics | 2 | 53 | 635 | 605 |
| 374 | Water | 3 | 53 | 2.3K | 3.1K |
| 374 | Noise control | 2 | 53 | 342 | 11 |
| 374 | genome | 2 | 53 | 2.7K | 3.2K |
| 379 | Algebra | 9 | 52 | 856 | 871 |
| 379 | Popular culture | 5 | 52 | 409 | 282 |
| 379 | Wireless Communication Systems | 10 | 52 | 1.4K | 2.4K |
| 379 | Production Management | 1 | 52 | 1.5K | 1.3K |
| 379 | Acarology | 1 | 52 | 666 | 404 |
| 379 | Mites | 1 | 52 | 931 | 479 |
| 379 | Ticks | 1 | 52 | 729 | 416 |
| 379 | Acari | 1 | 52 | 640 | 399 |
| 387 | Algorithms | 3 | 50 | 715 | 670 |
| 387 | Forecasting | 2 | 50 | 651 | 550 |
| 387 | Food | 3 | 50 | 3.8K | 4.4K |
| 387 | antibiotics | 2 | 50 | 661 | 655 |
| 391 | Bible | 19 | 49 | 91 | 73 |
| 391 | Human Resources | 3 | 49 | 476 | 841 |
| 393 | Educational Technology | 6 | 48 | 1.1K | 1.6K |
| 393 | Ethnic relations | 3 | 48 | 808 | 554 |
| 393 | Critical Discourse Analysis | 1 | 48 | 102 | 55 |
| 393 | nuclear magnetic resonance | 5 | 48 | 981 | 1.3K |
| 393 | X-ray crystallography | 1 | 48 | 1.2K | 766 |
| 393 | Social work | 1 | 48 | 2.7K | 1.5K |
| 399 | Hydraulic Engineering | 4 | 47 | 807 | 999 |
| 399 | exobiology | 3 | 47 | 447 | 695 |
| 399 | Cognition | 4 | 47 | 1.7K | 2.3K |
| 402 | Ethnic Conflict | 2 | 46 | 340 | 344 |
| 402 | environmental protection | 3 | 46 | 4.1K | 5.2K |
| 402 | forced migration | 2 | 46 | 340 | 344 |
| 402 | race relations | 2 | 46 | 801 | 637 |
| 406 | Neurophysiology | 5 | 45 | 2.7K | 4.3K |
| 406 | Mass Spectrometry | 5 | 45 | 1.4K | 2.1K |
| 408 | Nutrition | 1 | 44 | 8.2K | 6.9K |
| 408 | Food Microbiology | 1 | 44 | 2.4K | 2.3K |
| 408 | food technology | 1 | 44 | 3.9K | 3.3K |
| 411 | Orthopedics | 2 | 43 | 2.5K | 2.6K |
| 411 | Genetic engineering | 2 | 43 | 3.2K | 3.7K |
| 411 | Orthopedic Surgery | 2 | 43 | 1.5K | 1.5K |
| 411 | economic forecasting | 1 | 43 | 384 | 214 |
| 411 | Superconductors | 4 | 43 | 925 | 995 |
| 411 | Superconductivity | 3 | 43 | 353 | 407 |
| 411 | labor | 12 | 43 | 57 | 125 |
| 418 | Ubiquitous computing | 1 | 42 | 256 | 57 |
| 418 | Adolescent | 3 | 42 | 2.8K | 3.1K |
| 418 | Development | 3 | 42 | 781 | 1.1K |
| 421 | Biosensors | 1 | 41 | 2.1K | 2.4K |
| 421 | Graphic Novels | 1 | 41 | 80 | 9 |
| 421 | Health Policy | 6 | 41 | 2.2K | 3.8K |
| 421 | Number Theory | 7 | 41 | 473 | 526 |
| 421 | Venture Capital | 2 | 41 | 188 | 280 |
| 421 | Gerontology | 7 | 41 | 1.7K | 2.8K |
| 421 | Bioelectronics | 1 | 41 | 1.8K | 2.2K |
| 421 | Asia | 3 | 41 | 3.2K | 2.9K |
| 421 | concrete | 4 | 41 | 638 | 986 |
| 421 | Work | 10 | 41 | 105 | 464 |
| 431 | Medical Laboratory Science | 1 | 40 | 4.5K | 4.0K |
| 431 | Energy Policy | 2 | 40 | 2.3K | 2.9K |
| 431 | Systems Biology | 3 | 40 | 2.1K | 2.7K |
| 431 | energy resources | 2 | 40 | 952 | 1.6K |
| 435 | Semiconductors | 3 | 39 | 1.5K | 1.5K |
| 435 | Agriculture | 5 | 39 | 2.1K | 3.2K |
| 437 | Fluid Dynamics | 1 | 38 | 1.7K | 1.3K |
| 437 | Neural circuitry | 3 | 38 | 1.8K | 2.5K |
| 439 | Psychoneuroimmunology | 2 | 37 | 791 | 1.4K |
| 439 | energy conservation | 2 | 37 | 2.3K | 2.8K |
| 439 | Neuroimmunology | 2 | 37 | 934 | 1.5K |
| 439 | East Asia | 2 | 37 | 1.3K | 545 |
| 439 | organization | 2 | 37 | 882 | 1.1K |
| 444 | Pharmacology | 2 | 36 | 7.4K | 8.0K |
| 444 | Systems Theory | 2 | 36 | 1.0K | 743 |
| 444 | Radiologic Technology | 1 | 36 | 417 | 196 |
| 444 | Mathematics Education | 2 | 36 | 650 | 501 |
| 444 | International Relations | 4 | 36 | 1.6K | 1.3K |
| 444 | Interventional Radiology | 1 | 36 | 417 | 196 |
| 444 | Child | 1 | 36 | 5.0K | 3.9K |
| 444 | Substance Abuse | 2 | 36 | 2.2K | 2.4K |
| 444 | Infertility | 1 | 36 | 1.5K | 1.7K |
| 444 | Interventional Radiography | 1 | 36 | 417 | 196 |
| 444 | Endoscopic Surgery | 1 | 36 | 417 | 196 |
| 444 | Visual Perception | 3 | 36 | 2.5K | 3.4K |
| 444 | Luminescence | 3 | 36 | 817 | 990 |
| 444 | Memory | 5 | 36 | 2.0K | 3.6K |
| 444 | fertility | 1 | 36 | 1.9K | 2.0K |
| 459 | Environmental Engineering | 4 | 35 | 4.2K | 6.2K |
| 459 | Coastal Engineering | 2 | 35 | 204 | 166 |
| 459 | Environmental Toxicology | 1 | 35 | 4.5K | 4.5K |
| 459 | Microprocessors | 5 | 35 | 187 | 455 |
| 459 | Library Science | 4 | 35 | 1.3K | 1.1K |
| 459 | environmental exposure | 1 | 35 | 3.8K | 3.4K |
| 459 | energy development | 3 | 35 | 893 | 1.5K |
| 466 | Physiology | 3 | 34 | 5.2K | 6.7K |
| 467 | Cybernetics | 5 | 33 | 1.4K | 2.5K |
| 467 | Neurobiology | 3 | 33 | 2.1K | 3.2K |
| 467 | Software Maintenance | 1 | 33 | 470 | 269 |
| 467 | Ethics | 7 | 33 | 712 | 1.4K |
| 467 | Organizational Sociology | 1 | 33 | 615 | 491 |
| 467 | Sociolinguistics | 4 | 33 | 532 | 657 |
| 467 | Financial Engineering | 1 | 33 | 527 | 338 |
| 467 | Information Retrieval | 3 | 33 | 510 | 763 |
| 467 | Stochastic Processes | 4 | 33 | 885 | 1.3K |
| 467 | Medical Physics | 1 | 33 | 3.4K | 2.9K |
| 467 | Alloys | 9 | 33 | 139 | 285 |
| 467 | Vision | 1 | 33 | 1.1K | 1.1K |
| 467 | Chemical industry | 17 | 33 | 492 | 1.8K |
| 480 | Rural Development | 4 | 32 | 338 | 590 |
| 480 | Environmental Policy | 2 | 32 | 4.1K | 5.4K |
| 480 | Environmental Psychology | 1 | 32 | 417 | 420 |
| 480 | Translation | 1 | 32 | 294 | 108 |
| 480 | Green Technology | 1 | 32 | 1.0K | 748 |
| 480 | nucleic acids | 1 | 32 | 3.4K | 3.6K |
| 480 | values | 3 | 32 | 236 | 144 |
| 480 | violence | 2 | 32 | 1.3K | 1.6K |
| 488 | Occupational Health | 5 | 31 | 1.2K | 1.8K |
| 488 | Developmental Psychology | 1 | 31 | 1.9K | 1.7K |
| 488 | Criminal psychology | 1 | 31 | 1.4K | 1.2K |
| 488 | Underwater acoustics | 1 | 31 | 136 | 92 |
| 492 | Psychometrics | 3 | 30 | 434 | 658 |
| 492 | Economic Integration | 7 | 30 | 57 | 87 |
| 492 | Qualitative Research | 3 | 30 | 476 | 690 |
| 492 | data collection | 2 | 30 | 1.7K | 2.2K |
| 492 | Nonprofit organizations | 3 | 30 | 370 | 622 |
| 492 | Cellulose | 2 | 30 | 895 | 1.3K |
| 492 | Scandinavia | 3 | 30 | 844 | 1.2K |
| 499 | Geriatric Psychiatry | 5 | 29 | 1.2K | 2.4K |
| 499 | Corporate governance | 7 | 29 | 204 | 811 |
| 499 | Anxiety Disorders | 4 | 29 | 510 | 1.3K |
| 499 | Fixed Point Theory | 5 | 29 | 223 | 318 |
| 499 | Anxiety | 4 | 29 | 510 | 1.3K |
| 499 | sports administration | 1 | 29 | 647 | 519 |
| 505 | Social Movements | 11 | 28 | 29 | 195 |
| 505 | community development | 2 | 28 | 616 | 640 |
| 505 | starch | 1 | 28 | 835 | 680 |
| 505 | optical devices | 1 | 28 | 937 | 746 |
| 509 | Genomics | 1 | 27 | 6.1K | 6.2K |
| 509 | Electromagnetism | 2 | 27 | 1.4K | 1.6K |
| 509 | Terahertz Technology | 3 | 27 | 152 | 322 |
| 509 | International Finance | 3 | 27 | 1.3K | 1.7K |
| 509 | Birds | 4 | 27 | 1.3K | 1.7K |
| 514 | Functional Analysis | 3 | 26 | 767 | 820 |
| 514 | international trade | 1 | 26 | 1.2K | 898 |
| 514 | Television | 2 | 26 | 239 | 63 |
| 514 | Food preferences | 1 | 26 | 449 | 516 |
| 518 | Quantum Computing | 4 | 25 | 137 | 321 |
| 518 | Geodesy | 3 | 25 | 704 | 994 |
| 518 | Medical Ethics | 3 | 25 | 1.6K | 2.0K |
| 518 | Cell differentiation | 1 | 25 | 3.4K | 3.9K |
| 518 | Genetic regulation | 1 | 25 | 2.4K | 2.6K |
| 518 | space environment | 1 | 25 | 486 | 461 |
| 518 | Stem cells | 1 | 25 | 3.1K | 3.3K |
| 518 | Culture | 8 | 25 | 686 | 1.5K |
| 518 | mathematical analysis | 3 | 25 | 2.3K | 2.1K |
| 518 | cloning | 1 | 25 | 1.5K | 1.9K |
| 518 | Investments | 1 | 25 | 882 | 620 |
| 529 | Demography | 1 | 24 | 1.5K | 1.4K |
| 529 | Atomic spectroscopy | 5 | 24 | 927 | 1.6K |
| 531 | Career development | 2 | 23 | 548 | 719 |
| 531 | diffusion | 2 | 23 | 273 | 123 |
| 531 | Bioethics | 1 | 23 | 2.0K | 1.6K |
| 531 | Fractals | 1 | 23 | 1.3K | 1.2K |
| 535 | Geology | 1 | 22 | 4.7K | 4.1K |
| 535 | Neuropsychiatry | 1 | 22 | 2.1K | 2.1K |
| 535 | Highway Engineering | 1 | 22 | 784 | 694 |
| 535 | Solar Energy | 1 | 22 | 1.9K | 2.1K |
| 535 | Environmental Management | 1 | 22 | 4.6K | 5.2K |
| 535 | Computational Fluid Dynamics | 1 | 22 | 955 | 830 |
| 535 | Mental Health Services | 3 | 22 | 1.8K | 2.8K |
| 535 | city planning | 7 | 22 | 1.0K | 2.3K |
| 535 | European Union | 2 | 22 | 228 | 293 |
| 544 | Civil Engineering | 8 | 21 | 1.1K | 2.2K |
| 544 | Nuclear Energy | 1 | 21 | 1.8K | 1.3K |
| 544 | Nuclear Chemistry | 1 | 21 | 1.8K | 1.5K |
| 544 | Radiochemistry | 1 | 21 | 2.0K | 1.6K |
| 544 | Expert Systems | 1 | 21 | 577 | 454 |
| 544 | Zeolites | 1 | 21 | 746 | 974 |
| 544 | Social behavior | 2 | 21 | 1.7K | 2.4K |
| 544 | Personality Assessment | 2 | 21 | 809 | 1.3K |
| 552 | Marine Biology | 1 | 20 | 4.0K | 4.3K |
| 552 | Power Electronics | 3 | 20 | 1.1K | 1.9K |
| 552 | Organizational learning | 1 | 20 | 1.1K | 775 |
| 552 | Medical Anthropology | 2 | 20 | 1.7K | 2.8K |
| 552 | Knowledge management | 1 | 20 | 1.0K | 547 |
| 552 | Marine Pollution | 1 | 20 | 1.8K | 2.2K |
| 552 | Video Games | 1 | 20 | 207 | 152 |
| 552 | software | 4 | 20 | 794 | 2.0K |
| 552 | educational innovations | 1 | 20 | 948 | 896 |
| 561 | Neurochemistry | 1 | 19 | 4.0K | 4.5K |
| 561 | Optoelectronic devices | 7 | 19 | 666 | 1.4K |
| 561 | Ethnology | 5 | 19 | 1.4K | 2.2K |
| 561 | Urban Areas | 6 | 19 | 126 | 514 |
| 561 | rehabilitation | 3 | 19 | 2.9K | 4.6K |
| 561 | synthesis | 3 | 19 | 1.3K | 1.7K |
| 561 | Radio frequency | 3 | 19 | 687 | 1.1K |
| 568 | Humanities | 8 | 18 | 1.1K | 2.3K |
| 568 | Molecular Pharmacology | 1 | 18 | 1.9K | 2.3K |
| 568 | Structural dynamics | 3 | 18 | 823 | 1.6K |
| 568 | Health Services Research | 1 | 18 | 3.7K | 3.7K |
| 568 | Cryptography | 3 | 18 | 749 | 947 |
| 568 | Electrophoresis | 2 | 18 | 2.5K | 3.5K |
| 568 | Collective behavior | 1 | 18 | 194 | 211 |
| 568 | Plant breeding | 1 | 18 | 1.9K | 2.1K |
| 568 | Transgenic plants | 1 | 18 | 1.1K | 1.4K |
| 568 | Glass | 1 | 18 | 2.2K | 2.3K |
| 568 | Economic Assistance | 1 | 18 | 1.0K | 1.1K |
| 568 | world | 1 | 18 | 806 | 1.1K |
| 580 | Social Choice Theory | 1 | 17 | 443 | 412 |
| 580 | Religious Education | 11 | 17 | 32 | 152 |
| 580 | Urban Economics | 1 | 17 | 446 | 535 |
| 580 | Agricultural Chemistry | 1 | 17 | 4.4K | 4.7K |
| 580 | Theology | 14 | 17 | 471 | 618 |
| 580 | Public Health Administration | 2 | 17 | 750 | 831 |
| 580 | Comparative Education | 2 | 17 | 345 | 412 |
| 580 | Fiber Optics | 2 | 17 | 1.1K | 1.6K |
| 580 | Health insurance | 1 | 17 | 1.1K | 1.2K |
| 580 | urban population | 1 | 17 | 88 | 177 |
| 580 | industrial relations | 1 | 17 | 1.4K | 1.3K |
| 580 | irreversible processes | 3 | 17 | 48 | 117 |
| 580 | Nonequilibrium thermodynamics | 3 | 17 | 48 | 117 |
| 580 | Developed countries | 1 | 17 | 146 | 197 |
| 580 | lasers | 7 | 17 | 1.6K | 3.2K |
| 595 | Occupational Therapy | 4 | 16 | 1.1K | 1.9K |
| 595 | Industrial Safety | 4 | 16 | 897 | 1.9K |
| 595 | Topology | 2 | 16 | 440 | 454 |
| 595 | Language Policy | 1 | 16 | 219 | 285 |
| 595 | Consumer Protection | 1 | 16 | 455 | 542 |
| 595 | Social Systems | 4 | 16 | 128 | 349 |
| 595 | Ferroelectricity | 4 | 16 | 1.1K | 1.7K |
| 595 | Broadcasting | 2 | 16 | 229 | 405 |
| 595 | aromatic plants | 1 | 16 | 547 | 431 |
| 595 | consumers | 1 | 16 | 783 | 898 |
| 595 | innovation | 1 | 16 | 1.2K | 1.4K |
| 595 | Customer Relations | 1 | 16 | 217 | 236 |
| 595 | Cheminformatics | 1 | 16 | 830 | 1.0K |
| 595 | brain mapping | 2 | 16 | 1.1K | 1.8K |
| 609 | Criminology | 2 | 15 | 1.3K | 1.7K |
| 609 | Neuroimaging | 2 | 15 | 441 | 730 |
| 609 | sanitation | 2 | 15 | 2.5K | 4.2K |
| 609 | Biological Systems | 1 | 15 | 1.7K | 1.9K |
| 609 | Behaviorism | 2 | 15 | 103 | 155 |
| 609 | disarmament | 1 | 15 | 377 | 350 |
| 609 | Obesity | 1 | 15 | 4.0K | 4.8K |
| 609 | arms control | 1 | 15 | 196 | 132 |
| 609 | Quality of life | 2 | 15 | 2.4K | 3.9K |
| 609 | Psychological adaptation | 2 | 15 | 56 | 80 |
| 609 | mental processes | 2 | 15 | 509 | 776 |
| 609 | Post-traumatic stress disorder | 3 | 15 | 924 | 1.8K |
| 621 | Arts | 3 | 14 | 626 | 650 |
| 621 | Law | 2 | 14 | 2.4K | 1.7K |
| 621 | Cognitive Psychology | 2 | 14 | 564 | 768 |
| 621 | Land Use Planning | 2 | 14 | 515 | 944 |
| 621 | Globalization | 1 | 14 | 1.2K | 1.3K |
| 621 | Knot Theory | 2 | 14 | 281 | 236 |
| 621 | Evolution equations | 1 | 14 | 353 | 289 |
| 621 | Eigenvalues | 4 | 14 | 186 | 183 |
| 629 | Literature | 5 | 13 | 789 | 447 |
| 629 | Health Services Administration | 2 | 13 | 1.9K | 3.0K |
| 629 | Clinical Psychology | 3 | 13 | 2.0K | 3.7K |
| 629 | Microbial Ecology | 2 | 13 | 3.4K | 5.5K |
| 629 | Symbolic interactionism | 1 | 13 | 225 | 283 |
| 629 | Combinatorial optimization | 5 | 13 | 356 | 906 |
| 629 | Environment | 1 | 13 | 8.4K | 10.5K |
| 636 | Tribology | 2 | 12 | 1.4K | 2.0K |
| 636 | Telecommunication Systems | 3 | 12 | 1.7K | 2.6K |
| 636 | Adult Education | 2 | 12 | 858 | 1.1K |
| 636 | Statistical Mechanics | 1 | 12 | 1.9K | 1.7K |
| 636 | Hydrodynamics | 2 | 12 | 574 | 1.0K |
| 636 | Ceramic materials | 2 | 12 | 1.4K | 2.2K |
| 636 | Hermeneutics | 7 | 12 | 14 | 23 |
| 636 | Mycology | 1 | 12 | 2.9K | 3.3K |
| 636 | Chemical processes | 1 | 12 | 1.3K | 1.6K |
| 636 | infection | 1 | 12 | 3.2K | 4.0K |
| 636 | telemarketing | 2 | 12 | 122 | 389 |
| 636 | Fungi | 1 | 12 | 1.6K | 2.0K |
| 636 | finance | 8 | 12 | 1.4K | 3.3K |
| 649 | Logic | 3 | 11 | 491 | 719 |
| 649 | Electromagnetic compatibility | 3 | 11 | 419 | 855 |
| 649 | Rheology | 1 | 11 | 1.3K | 1.5K |
| 649 | Adoption | 3 | 11 | 116 | 291 |
| 649 | Industrial Policy | 2 | 11 | 568 | 991 |
| 649 | reasoning | 1 | 11 | 377 | 480 |
| 649 | Wind power | 2 | 11 | 418 | 732 |
| 649 | United Kingdom | 3 | 11 | 2.1K | 3.8K |
| 649 | economic development projects | 1 | 11 | 467 | 650 |
| 649 | eye movements | 1 | 11 | 38 | 55 |
| 659 | Development Economics | 1 | 10 | 1.1K | 1.4K |
| 659 | Thin Films | 2 | 10 | 934 | 1.4K |
| 659 | Measurement | 1 | 10 | 1.8K | 2.2K |
| 659 | civil society | 10 | 10 | 9 | 172 |
| 659 | Social participation | 10 | 10 | 7 | 29 |
| 659 | disaster relief | 1 | 10 | 473 | 742 |
| 659 | Australia | 3 | 10 | 2.4K | 4.4K |
| 666 | Mechatronics | 1 | 9 | 1.5K | 1.9K |
| 666 | Emergency Nursing | 1 | 9 | 289 | 476 |
| 666 | Palliative Care | 2 | 9 | 1.5K | 2.4K |
| 666 | biological factors | 3 | 9 | 2.6K | 4.8K |
| 666 | refugees | 1 | 9 | 558 | 676 |
| 666 | corrections | 1 | 9 | 354 | 395 |
| 666 | punishment | 1 | 9 | 208 | 275 |
| 666 | winds | 1 | 9 | 266 | 299 |
| 674 | Visual Arts | 1 | 8 | 339 | 429 |
| 674 | Industrial Design | 1 | 8 | 705 | 894 |
| 674 | Architecture | 2 | 8 | 1.0K | 1.2K |
| 674 | Database Management | 1 | 8 | 1.2K | 1.5K |
| 674 | Computer Architecture | 1 | 8 | 753 | 820 |
| 674 | Neonatology | 2 | 8 | 866 | 1.8K |
| 674 | Nanoelectronics | 1 | 8 | 1.1K | 1.3K |
| 674 | Architectural Design | 1 | 8 | 890 | 929 |
| 674 | Psychopharmacology | 2 | 8 | 2.4K | 3.7K |
| 674 | Depression | 2 | 8 | 635 | 1.4K |
| 674 | Diffraction | 1 | 8 | 529 | 428 |
| 674 | Powder Metallurgy | 1 | 8 | 1.1K | 920 |
| 674 | Mass Media | 4 | 8 | 922 | 1.3K |
| 674 | Judgment | 1 | 8 | 272 | 454 |
| 674 | Happiness | 1 | 8 | 915 | 1.4K |
| 674 | Child Development | 2 | 8 | 2.7K | 4.5K |
| 674 | International Education | 1 | 8 | 497 | 698 |
| 674 | design | 1 | 8 | 630 | 539 |
| 674 | Dementia | 2 | 8 | 2.4K | 2.5K |
| 674 | Alzheimer's disease | 3 | 8 | 2.1K | 2.6K |
| 694 | Intercultural Communication | 3 | 7 | 246 | 690 |
| 694 | Optical Communications | 4 | 7 | 831 | 1.8K |
| 694 | Operator theory | 1 | 7 | 865 | 841 |
| 694 | Pastoral Theology | 6 | 7 | 74 | 174 |
| 694 | Health promotion | 4 | 7 | 1.7K | 4.3K |
| 694 | Latin America | 3 | 7 | 1.9K | 2.2K |
| 694 | families | 4 | 7 | 843 | 2.1K |
| 694 | Crystal growth | 2 | 7 | 1.5K | 2.5K |
| 694 | phase diagrams | 1 | 7 | 331 | 433 |
| 694 | Reading | 1 | 7 | 1.0K | 1.4K |
| 694 | China | 1 | 7 | 5.1K | 6.1K |
| 694 | Therapeutics | 1 | 7 | 3.9K | 5.2K |
| 706 | Economic Geography | 1 | 6 | 758 | 973 |
| 706 | Flexible electronics | 1 | 6 | 168 | 352 |
| 706 | adolescence | 2 | 6 | 1.3K | 2.5K |
| 706 | Adolescent Psychology | 2 | 6 | 1.2K | 2.3K |
| 706 | motivation | 1 | 6 | 475 | 789 |
| 706 | sustainability | 2 | 6 | 1.2K | 2.3K |
| 706 | Emotion | 1 | 6 | 419 | 712 |
| 706 | feeding behavior | 1 | 6 | 1.2K | 2.0K |
| 706 | atmosphere | 1 | 6 | 937 | 1.4K |
| 706 | Jurisprudence | 9 | 6 | 685 | 2.6K |
| 706 | biological agents | 3 | 6 | 767 | 1.4K |
| 706 | coal | 1 | 6 | 1.3K | 2.1K |
| 706 | Appetite | 1 | 6 | 1.1K | 1.8K |
| 706 | Emotions | 2 | 6 | 782 | 1.6K |
| 720 | Engineering Physics | 1 | 5 | 307 | 264 |
| 720 | Comparative Literature | 2 | 5 | 314 | 97 |
| 720 | Agricultural Economics | 1 | 5 | 246 | 397 |
| 720 | Comparative Physiology | 1 | 5 | 1.3K | 1.9K |
| 720 | Educational Research | 1 | 5 | 229 | 422 |
| 720 | air quality management | 1 | 5 | 846 | 1.6K |
| 720 | Emergency Medicine | 2 | 5 | 2.5K | 3.9K |
| 720 | infrared radiation | 1 | 5 | 730 | 1.0K |
| 720 | Multivariate Analysis | 1 | 5 | 623 | 903 |
| 720 | Computational Intelligence | 1 | 5 | 2.2K | 2.7K |
| 720 | Watershed management | 1 | 5 | 589 | 845 |
| 720 | Protective coatings | 1 | 5 | 856 | 1.2K |
| 720 | Brain | 1 | 5 | 4.0K | 5.3K |
| 720 | indoor air pollution | 1 | 5 | 940 | 1.6K |
| 720 | Ventilation | 1 | 5 | 1.2K | 1.9K |
| 720 | Sick building syndrome | 1 | 5 | 940 | 1.6K |
| 720 | Cognitive Learning | 1 | 5 | 283 | 436 |
| 720 | crime | 1 | 5 | 1.2K | 1.5K |
| 720 | infrared technology | 1 | 5 | 563 | 651 |
| 720 | Southern states | 1 | 5 | 644 | 816 |
| 720 | Comparative linguistics | 5 | 5 | 39 | 38 |
| 741 | Anthropology | 1 | 4 | 3.2K | 3.6K |
| 741 | Systems Analysis | 1 | 4 | 2.1K | 3.1K |
| 741 | Optoelectronics | 2 | 4 | 695 | 1.2K |
| 741 | Particle Physics | 1 | 4 | 1.2K | 1.4K |
| 741 | Engineering Ethics | 1 | 4 | 500 | 922 |
| 741 | History of Medicine | 2 | 4 | 798 | 988 |
| 741 | Marine invertebrates | 1 | 4 | 538 | 788 |
| 741 | Quantum Optics | 4 | 4 | 912 | 2.1K |
| 741 | Supramolecular chemistry | 1 | 4 | 554 | 871 |
| 741 | microwave communication systems | 2 | 4 | 673 | 1.2K |
| 741 | Professional ethics | 1 | 4 | 693 | 1.2K |
| 741 | Knowledge | 1 | 4 | 790 | 939 |
| 741 | Sports | 1 | 4 | 4.2K | 4.5K |
| 741 | Welding | 1 | 4 | 658 | 727 |
| 741 | association | 1 | 4 | 120 | 246 |
| 741 | Finite Element Method | 1 | 4 | 244 | 442 |
| 741 | Laser Spectroscopy | 4 | 4 | 887 | 2.0K |
| 741 | Microwave devices | 2 | 4 | 751 | 1.2K |
| 741 | Organizations | 1 | 4 | 120 | 246 |
| 760 | Special Education | 1 | 3 | 1.5K | 2.0K |
| 760 | Vocational Education | 1 | 3 | 1.1K | 1.6K |
| 760 | Medical genetics | 1 | 3 | 5.2K | 7.0K |
| 760 | Cytogenetics | 1 | 3 | 3.3K | 4.7K |
| 760 | Machine Learning | 1 | 3 | 747 | 1.2K |
| 760 | Urban Transportation | 1 | 3 | 396 | 712 |
| 760 | Quantitative Research | 1 | 3 | 323 | 620 |
| 760 | Microwave circuits | 1 | 3 | 450 | 636 |
| 760 | Friction | 1 | 3 | 259 | 530 |
| 760 | cooperation | 2 | 3 | 215 | 543 |
| 760 | Public Finance | 2 | 3 | 248 | 598 |
| 760 | Metallography | 3 | 3 | 405 | 1.3K |
| 760 | training | 1 | 3 | 165 | 223 |
| 760 | technical education | 1 | 3 | 1.2K | 1.8K |
| 760 | Methodology | 2 | 3 | 680 | 1.6K |
| 760 | Statistical models | 1 | 3 | 277 | 493 |
| 760 | Attention | 2 | 3 | 3.1K | 5.6K |
| 760 | Heat | 3 | 3 | 80 | 195 |
| 760 | Perception | 2 | 3 | 3.2K | 5.7K |
| 760 | Mental Health Counseling | 1 | 3 | 243 | 378 |
| 780 | Geography | 3 | 2 | 2.7K | 5.3K |
| 780 | Endocrinology | 1 | 2 | 5.7K | 7.5K |
| 780 | Industrial Organization | 2 | 2 | 208 | 668 |
| 780 | Higher Education | 1 | 2 | 1.1K | 1.7K |
| 780 | Historical Sociology | 1 | 2 | 348 | 474 |
| 780 | Virtual reality | 1 | 2 | 895 | 1.4K |
| 780 | Continuing Education | 1 | 2 | 936 | 1.4K |
| 780 | Democracy | 1 | 2 | 745 | 858 |
| 780 | Cold War | 1 | 2 | 332 | 304 |
| 780 | Simulation Methods | 5 | 2 | 260 | 1.7K |
| 780 | Social welfare | 1 | 2 | 1.4K | 2.3K |
| 780 | Human evolution | 1 | 2 | 750 | 1.2K |
| 780 | complementary therapies | 1 | 2 | 4.1K | 6.0K |
| 780 | Technological Innovations | 2 | 2 | 1.4K | 3.0K |
| 780 | Religion and Psychology | 1 | 2 | 1.2K | 1.9K |
| 780 | labor policy | 2 | 2 | 40 | 156 |
| 780 | Elderly | 2 | 2 | 2.2K | 3.2K |
| 780 | income | 1 | 2 | 409 | 737 |
| 780 | older people | 2 | 2 | 2.7K | 4.3K |
| 780 | Input-output analysis | 1 | 2 | 576 | 955 |
| 780 | optical pattern recognition | 1 | 2 | 336 | 595 |
| 780 | Muslims | 1 | 2 | 277 | 234 |
| 780 | Wealth | 1 | 2 | 409 | 737 |
| 780 | Social environment | 1 | 2 | 614 | 1.2K |
| 780 | Islam | 1 | 2 | 1.1K | 996 |
| 780 | Youth | 1 | 2 | 1.3K | 2.0K |
| 780 | Approximation Theory | 1 | 2 | 497 | 663 |
| 780 | Endocrine system | 1 | 2 | 1.7K | 1.4K |
| 780 | Molecular structure | 1 | 2 | 3.9K | 5.3K |
| 780 | Heterocyclic compounds | 2 | 2 | 1.5K | 2.7K |
| 780 | Cerebral cortex | 1 | 2 | 1.7K | 2.5K |
| 811 | History | 12 | 1 | 686 | 2.0K |
| 811 | Nursing | 1 | 1 | 3.8K | 5.5K |
| 811 | Institutional Economics | 1 | 1 | 392 | 730 |
| 811 | Production Planning | 1 | 1 | 584 | 1.2K |
| 811 | Antitrust Law | 2 | 1 | 235 | 497 |
| 811 | Religion and Politics | 1 | 1 | 324 | 439 |
| 811 | Supply Chain Management | 2 | 1 | 86 | 551 |
| 811 | Nanobiotechnology | 1 | 1 | 963 | 1.7K |
| 811 | Nanophotonics | 1 | 1 | 714 | 1.2K |
| 811 | Pragmatics | 2 | 1 | 156 | 396 |
| 811 | Disability Studies | 1 | 1 | 611 | 1.0K |
| 811 | income distribution | 1 | 1 | 329 | 617 |
| 811 | Communication and Culture | 1 | 1 | 525 | 825 |
| 811 | Combinatorial chemistry | 1 | 1 | 2.0K | 3.0K |
| 811 | Wireless Sensor Networks | 1 | 1 | 73 | 191 |
| 811 | poverty | 1 | 1 | 1.0K | 1.9K |
| 811 | preventive medicine | 3 | 1 | 1.6K | 4.1K |
| 811 | Virology | 1 | 1 | 5.7K | 7.9K |
| 811 | Online social networks | 1 | 1 | 692 | 1.3K |
| 811 | Fractional Calculus | 1 | 1 | 315 | 636 |
| 811 | Production Control | 1 | 1 | 567 | 1.1K |
| 811 | Marriage | 1 | 1 | 1.1K | 1.9K |
| 811 | Socialism | 2 | 1 | 263 | 538 |
| 811 | Religion and Sociology | 1 | 1 | 637 | 801 |
| 811 | Critical theory | 1 | 1 | 386 | 623 |
| 811 | Family | 3 | 1 | 1.1K | 3.1K |
| 811 | Biometrics | 1 | 1 | 2.2K | 3.2K |
| 811 | libraries | 2 | 1 | 1.1K | 1.7K |
| 811 | Southeast Asia | 1 | 1 | 1.1K | 1.5K |
| 811 | viruses | 1 | 1 | 2.9K | 4.4K |
| 811 | plasma | 1 | 1 | 232 | 433 |
| 811 | cultural pluralism | 1 | 1 | 745 | 1.3K |
| 811 | family violence | 1 | 1 | 805 | 1.5K |
| 811 | child abuse | 1 | 1 | 1.5K | 2.5K |
| 811 | women | 2 | 1 | 1.2K | 2.6K |
| 811 | Social structure | 3 | 1 | 32 | 97 |
| 847 | Musicology | 1 | 0 | 545 | 789 |
| 847 | Pathology | 3 | 0 | 3.1K | 6.6K |
| 847 | British Literature | 1 | 0 | 18 | 24 |
| 847 | Soil Mechanics | 2 | 0 | 1.3K | 2.5K |
| 847 | Emergency Medical Services | 1 | 0 | 2.2K | 3.4K |
| 847 | Rock Mechanics | 2 | 0 | 953 | 2.0K |
| 847 | American Literature | 3 | 0 | 812 | 1.2K |
| 847 | Photography | 1 | 0 | 2.6K | 3.5K |
| 847 | Ceramics | 1 | 0 | 2.9K | 4.2K |
| 847 | Environmental Law | 1 | 0 | 2.0K | 3.2K |
| 847 | Philosophy of Mind | 2 | 0 | 333 | 883 |
| 847 | Phonetics | 1 | 0 | 601 | 1.0K |
| 847 | Plant Ecology | 1 | 0 | 2.8K | 4.1K |
| 847 | Engineering Geology | 2 | 0 | 1.7K | 3.3K |
| 847 | Quantum Mechanics | 1 | 0 | 434 | 712 |
| 847 | Municipal Engineering | 1 | 0 | 820 | 1.7K |
| 847 | Semantics | 2 | 0 | 415 | 1.0K |
| 847 | Social History | 2 | 0 | 854 | 1.5K |
| 847 | Hydrometeorology | 1 | 0 | 539 | 910 |
| 847 | Human Rights | 1 | 0 | 1.3K | 2.1K |
| 847 | Open Access Publishing | 1 | 0 | 198 | 352 |
| 847 | Intellectual Property | 3 | 0 | 168 | 593 |
| 847 | microwave antennas | 1 | 0 | 900 | 1.5K |
| 847 | Ethnohistory | 2 | 0 | 64 | 119 |
| 847 | Integrated Circuits | 1 | 0 | 1.6K | 2.4K |
| 847 | Behavioral research | 1 | 0 | 1.1K | 2.0K |
| 847 | Law and Economics | 1 | 0 | 540 | 957 |
| 847 | Health | 1 | 0 | 5.1K | 7.7K |
| 847 | monetary policy | 1 | 0 | 153 | 391 |
| 847 | Regional Development | 1 | 0 | 584 | 1.1K |
| 847 | Interdisciplinary Research | 1 | 0 | 57 | 105 |
| 847 | Transcendentalism | 2 | 0 | 7 | 31 |
| 847 | Semiotics | 1 | 0 | 814 | 1.1K |
| 847 | civilization | 3 | 0 | 1.6K | 2.9K |
| 847 | Proteome | 1 | 0 | 2.4K | 3.7K |
| 847 | Development planning | 1 | 0 | 530 | 962 |
| 847 | Eastern Europe | 1 | 0 | 2.5K | 3.2K |
| 847 | France | 1 | 0 | 933 | 1.3K |
| 847 | Humanitarian Assistance | 1 | 0 | 88 | 202 |
| 847 | inscriptions | 5 | 0 | 40 | 234 |
| 847 | Christianity | 2 | 0 | 439 | 690 |
| 847 | games | 1 | 0 | 60 | 79 |
| 847 | teachers | 1 | 0 | 41 | 55 |
| 847 | Europa | 1 | 0 | 1.3K | 1.9K |
| 847 | Spain | 2 | 0 | 1.2K | 2.3K |
| 847 | sexual behavior | 1 | 0 | 1.3K | 2.2K |
| 847 | Economic planning | 1 | 0 | 690 | 1.3K |
| 847 | proteins | 1 | 0 | 4.2K | 5.9K |
