| 1 | Physics | 4,962 | 437.9K | 53 | 50 |
| 2 | Science | 1,600 | 121.7K | 215 | 250 |
| 3 | Biology | 681 | 105.8K | 517 | 283 |
| 4 | Chemistry | 1,513 | 104.3K | 275 | 214 |
| 5 | Nuclear Physics | 2,178 | 99.1K | 77 | 52 |
| 6 | Solid State Physics | 1,943 | 91.4K | 36 | 37 |
| 7 | Statistical physics | 1,908 | 91.1K | 10 | 3 |
| 8 | Condensed Matter | 1,902 | 90.8K | 38 | 38 |
| 9 | Optics | 2,433 | 79.1K | 13 | 6 |
| 10 | Natural history | 297 | 75.7K | 221 | 194 |
| 11 | Materials | 1,277 | 73.2K | 120 | 101 |
| 12 | Materials Science | 1,638 | 71.1K | 39 | 40 |
| 13 | Polymers | 1,121 | 51.6K | 59 | 36 |
| 14 | Nanotechnology | 863 | 50.0K | 107 | 118 |
| 15 | Spectrum analysis | 1,122 | 46.7K | 78 | 116 |
| 16 | polymerization | 766 | 37.6K | 74 | 42 |
| 17 | Ceramics | 560 | 36.3K | 11 | 5 |
| 18 | Glass | 561 | 36.1K | 9 | 5 |
| 19 | pottery | 553 | 36.0K | 8 | 5 |
| 20 | Surface Chemistry | 527 | 31.8K | 67 | 18 |
| 21 | Measurement | 920 | 26.4K | 2 | 1 |
| 22 | Biophysics | 490 | 26.1K | 324 | 161 |
| 23 | Research Design | 871 | 25.5K | 1 | 12 |
| 24 | Technology | 942 | 25.2K | 20 | 26 |
| 25 | Colloids | 522 | 25.0K | 75 | 56 |
| 26 | Analytical Chemistry | 592 | 25.0K | 89 | 61 |
| 27 | Biotechnology | 338 | 25.0K | 342 | 237 |
| 28 | Biochemistry | 489 | 24.5K | 848 | 671 |
| 29 | Photonics | 179 | 23.4K | 67 | 12 |
| 30 | standardization | 869 | 23.4K | 1 | 1 |
| 31 | Metals | 353 | 22.8K | 64 | 40 |
| 32 | Bioengineering | 223 | 20.8K | 264 | 181 |
| 33 | Light | 108 | 20.2K | 25 | 5 |
| 34 | Biocompatible Materials | 344 | 20.1K | 176 | 168 |
| 35 | optical instruments | 413 | 18.8K | 2 | 2 |
| 36 | concrete | 161 | 18.4K | 27 | 10 |
| 37 | Astrophysics | 342 | 18.2K | 453 | 502 |
| 38 | Crystallography | 174 | 17.7K | 47 | 27 |
| 39 | Molecular Spectroscopy | 458 | 17.5K | 3 | 1 |
| 40 | Molecular Biology | 254 | 17.4K | 1021 | 801 |
| 41 | Electronics | 453 | 16.7K | 98 | 41 |
| 42 | Chemical Engineering | 271 | 15.6K | 366 | 247 |
| 43 | nanoscience | 229 | 15.6K | 146 | 131 |
| 44 | miniaturization | 215 | 14.4K | 62 | 80 |
| 45 | Metallurgy | 323 | 14.0K | 93 | 87 |
| 46 | Electrochemistry | 635 | 13.2K | 73 | 127 |
| 47 | Cement | 105 | 13.1K | 21 | 7 |
| 48 | Microelectronics | 229 | 13.0K | 67 | 82 |
| 49 | Combustion | 243 | 12.7K | 30 | 22 |
| 50 | Physical Chemistry | 342 | 12.4K | 28 | 61 |
| 51 | Pollution | 203 | 12.2K | 505 | 440 |
| 52 | Medical Physics | 132 | 12.0K | 160 | 39 |
| 53 | Nonlinear Dynamics | 179 | 11.8K | 158 | 49 |
| 54 | Atomic spectroscopy | 266 | 11.3K | 5 | 1 |
| 55 | Thin Films | 119 | 10.3K | 5 | 2 |
| 56 | Environmental Health | 162 | 10.1K | 551 | 402 |
| 57 | Solid State Chemistry | 242 | 9.4K | 72 | 41 |
| 58 | Quantum Optics | 213 | 9.3K | 5 | 3 |
| 59 | Catalysis | 279 | 9.2K | 285 | 396 |
| 60 | Laser Spectroscopy | 211 | 9.2K | 5 | 3 |
| 61 | Radiation | 395 | 9.1K | 10 | 33 |
| 62 | Environmental Engineering | 147 | 9.0K | 281 | 248 |
| 63 | Molecules | 227 | 8.1K | 21 | 24 |
| 64 | Biochemical Engineering | 42 | 8.1K | 876 | 382 |
| 65 | sanitation | 99 | 7.9K | 159 | 170 |
| 66 | Composite Materials | 115 | 7.6K | 300 | 172 |
| 67 | Nanostructured Materials | 269 | 7.4K | 155 | 246 |
| 68 | Soft Condensed Matter | 178 | 7.3K | 15 | 11 |
| 69 | biopolymers | 166 | 7.0K | 22 | 15 |
| 70 | Astronomy | 151 | 6.9K | 652 | 680 |
| 71 | Geophysics | 201 | 6.4K | 504 | 535 |
| 72 | Research | 180 | 6.1K | 1347 | 1340 |
| 73 | phase diagrams | 133 | 6.1K | 4 | 1 |
| 74 | Statistics | 170 | 6.0K | 208 | 191 |
| 75 | Clinical Chemistry | 89 | 6.0K | 435 | 231 |
| 76 | Pharmaceutical Chemistry | 86 | 5.9K | 743 | 423 |
| 77 | Manufacturing Processes | 121 | 5.7K | 169 | 85 |
| 78 | Nanostructures | 34 | 5.5K | 499 | 150 |
| 79 | Environmental Chemistry | 65 | 5.5K | 232 | 210 |
| 80 | radiative transfer | 159 | 5.5K | 8 | 24 |
| 81 | Mathematics | 249 | 5.1K | 756 | 475 |
| 82 | Medicine | 108 | 5.1K | 2523 | 2262 |
| 83 | Radioisotopes | 232 | 5.1K | 5 | 5 |
| 84 | Lightweight concrete | 52 | 5.0K | 22 | 16 |
| 85 | Energy Conversion | 43 | 5.0K | 213 | 183 |
| 86 | Fluid Mechanics | 75 | 4.6K | 237 | 88 |
| 87 | Mathematical Physics | 158 | 4.6K | 279 | 275 |
| 88 | Mass Spectrometry | 103 | 4.5K | 64 | 38 |
| 89 | Optical materials | 84 | 4.5K | 378 | 324 |
| 90 | Forensic Genetics | 80 | 4.4K | 8 | 6 |
| 91 | Thermodynamics | 177 | 4.4K | 17 | 7 |
| 92 | Alloys | 88 | 4.4K | 5 | 1 |
| 93 | Thermochemistry | 175 | 4.3K | 6 | 4 |
| 94 | Toxicology | 79 | 4.2K | 1014 | 702 |
| 95 | Photography | 764 | 4.2K | 18 | 10 |
| 96 | Freezing | 174 | 4.1K | 3 | 1 |
| 97 | environmental pollution | 99 | 4.1K | 648 | 668 |
| 98 | Chemical kinetics | 109 | 3.9K | 15 | 4 |
| 99 | Production Engineering | 92 | 3.9K | 159 | 53 |
| 100 | Kinetics | 104 | 3.9K | 4 | 3 |
| 101 | Atmospheric Physics | 75 | 3.8K | 338 | 308 |
| 102 | Microscopy | 272 | 3.8K | 15 | 50 |
| 103 | Quality Control | 104 | 3.7K | 60 | 54 |
| 104 | Structural Engineering | 137 | 3.6K | 111 | 95 |
| 105 | Radiology | 81 | 3.5K | 150 | 55 |
| 106 | Renewable Energy Sources | 10 | 3.3K | 1648 | 449 |
| 107 | Computer Graphics | 56 | 3.1K | 242 | 140 |
| 108 | Quantum Gravity | 66 | 3.1K | 694 | 551 |
| 109 | free radicals | 24 | 3.1K | 506 | 203 |
| 110 | Biomedical Engineering | 97 | 3.1K | 785 | 749 |
| 111 | Experimental Design | 56 | 3.0K | 19 | 22 |
| 112 | Genetics | 27 | 3.0K | 1770 | 1139 |
| 113 | Nuclear Chemistry | 223 | 3.0K | 20 | 25 |
| 114 | Radiochemistry | 248 | 3.0K | 18 | 23 |
| 115 | proteins | 96 | 2.9K | 198 | 275 |
| 116 | Carbon | 60 | 2.9K | 142 | 173 |
| 117 | X-ray crystallography | 20 | 2.8K | 185 | 40 |
| 118 | energy development | 4 | 2.7K | 793 | 113 |
| 119 | Ecology | 85 | 2.7K | 1412 | 1816 |
| 120 | Semiconductors | 87 | 2.6K | 179 | 91 |
| 121 | Dynamics | 16 | 2.6K | 771 | 54 |
| 122 | fuel cells | 32 | 2.6K | 303 | 237 |
| 123 | Water pollution | 27 | 2.6K | 977 | 519 |
| 124 | biological factors | 54 | 2.5K | 225 | 183 |
| 125 | Mineralogy | 67 | 2.4K | 234 | 217 |
| 126 | data protection | 6 | 2.4K | 337 | 7 |
| 127 | Environmental monitoring | 74 | 2.4K | 570 | 764 |
| 128 | actuators | 57 | 2.4K | 324 | 282 |
| 128 | transducers | 57 | 2.4K | 324 | 282 |
| 130 | Atmospheric Chemistry | 17 | 2.4K | 498 | 301 |
| 131 | Cytology | 27 | 2.4K | 2036 | 1675 |
| 132 | Statistical Mechanics | 62 | 2.4K | 114 | 57 |
| 133 | Electrical Engineering | 648 | 2.3K | 57 | 189 |
| 134 | Ventilation | 54 | 2.3K | 28 | 23 |
| 135 | Environment | 62 | 2.3K | 1184 | 1779 |
| 136 | Superconductors | 94 | 2.3K | 39 | 29 |
| 137 | Fracture mechanics | 55 | 2.2K | 212 | 135 |
| 138 | nucleic acids | 34 | 2.2K | 564 | 632 |
| 139 | mutation | 10 | 2.2K | 301 | 53 |
| 140 | Magnetohydrodynamics | 53 | 2.2K | 56 | 40 |
| 141 | Computer-Aided Design | 37 | 2.2K | 166 | 69 |
| 141 | Bacteriology | 35 | 2.2K | 581 | 513 |
| 143 | Membranes | 46 | 2.2K | 385 | 388 |
| 144 | Artificial Intelligence | 52 | 2.1K | 873 | 573 |
| 145 | Clinical Trials | 1 | 2.1K | 1438 | 41 |
| 146 | Tribology | 63 | 2.0K | 119 | 95 |
| 147 | Microbiology | 48 | 2.0K | 2348 | 2439 |
| 148 | Marine Biology | 21 | 2.0K | 1201 | 594 |
| 149 | Nanoparticles | 56 | 1.9K | 241 | 290 |
| 150 | mass transfer | 42 | 1.9K | 312 | 242 |
| 151 | Engineering | 122 | 1.9K | 388 | 501 |
| 152 | clay | 6 | 1.8K | 566 | 60 |
| 153 | Civil Engineering | 96 | 1.8K | 86 | 43 |
| 154 | Building Materials | 29 | 1.8K | 453 | 317 |
| 155 | nuclear magnetic resonance | 50 | 1.8K | 203 | 168 |
| 156 | Quantum theory | 66 | 1.8K | 57 | 61 |
| 157 | Ferroelectricity | 57 | 1.8K | 99 | 31 |
| 158 | Proteome | 54 | 1.7K | 132 | 243 |
| 159 | Medical Laboratory Science | 51 | 1.7K | 301 | 386 |
| 160 | Rock Mechanics | 8 | 1.7K | 588 | 134 |
| 161 | Robotics | 62 | 1.7K | 183 | 200 |
| 162 | Marine Pollution | 14 | 1.7K | 525 | 175 |
| 163 | protein | 45 | 1.7K | 211 | 253 |
| 164 | Analytical Biochemistry | 64 | 1.7K | 142 | 245 |
| 165 | Aerosols | 65 | 1.7K | 52 | 73 |
| 166 | Environmental pollutants | 33 | 1.6K | 555 | 411 |
| 167 | Solar System | 40 | 1.6K | 258 | 227 |
| 168 | Superconductivity | 54 | 1.6K | 44 | 36 |
| 169 | Combinatorial chemistry | 51 | 1.6K | 73 | 149 |
| 170 | Industrial Engineering | 40 | 1.6K | 385 | 288 |
| 171 | Organic Chemistry | 21 | 1.6K | 1607 | 885 |
| 172 | pollutants | 30 | 1.5K | 456 | 383 |
| 173 | Rheology | 48 | 1.5K | 59 | 63 |
| 174 | Genetic Toxicology | 4 | 1.5K | 465 | 56 |
| 175 | Bioorganic chemistry | 11 | 1.5K | 1894 | 782 |
| 176 | indoor air pollution | 13 | 1.5K | 117 | 41 |
| 176 | Sick building syndrome | 13 | 1.5K | 117 | 41 |
| 178 | air quality management | 13 | 1.5K | 130 | 43 |
| 179 | Pharmacy | 46 | 1.5K | 465 | 417 |
| 180 | Crystallization | 10 | 1.4K | 256 | 24 |
| 181 | Earthquake Engineering | 38 | 1.4K | 311 | 266 |
| 182 | Magnetic Resonance Spectroscopy | 48 | 1.4K | 218 | 202 |
| 183 | Information Science | 32 | 1.4K | 593 | 472 |
| 184 | Chromatography | 54 | 1.4K | 194 | 175 |
| 185 | Environmental Toxicology | 16 | 1.3K | 1115 | 685 |
| 186 | Scanning electron microscopy | 50 | 1.3K | 2 | 2 |
| 187 | Geochemistry | 28 | 1.3K | 815 | 717 |
| 188 | Cell Biology | 13 | 1.3K | 2843 | 2254 |
| 189 | lasers | 41 | 1.3K | 326 | 159 |
| 190 | Water | 29 | 1.3K | 839 | 923 |
| 191 | Computer Vision | 28 | 1.3K | 266 | 316 |
| 192 | Chromatographic analysis | 48 | 1.3K | 319 | 243 |
| 193 | Electrophoresis | 49 | 1.3K | 235 | 280 |
| 194 | Perception | 59 | 1.2K | 411 | 570 |
| 195 | Environmental Management | 7 | 1.2K | 2312 | 902 |
| 196 | Solar Energy | 68 | 1.2K | 115 | 347 |
| 197 | Diagnostic Imaging | 38 | 1.2K | 527 | 528 |
| 198 | United States | 66 | 1.2K | 1144 | 1404 |
| 199 | Dentistry | 65 | 1.2K | 66 | 71 |
| 200 | computer networks | 38 | 1.2K | 507 | 368 |
| 201 | Geotechnical Engineering | 11 | 1.2K | 222 | 75 |
| 202 | Molecular structure | 24 | 1.2K | 888 | 685 |
| 203 | Bioinformatics | 18 | 1.1K | 926 | 730 |
| 204 | Informatics | 12 | 1.1K | 372 | 150 |
| 205 | Data Mining | 18 | 1.1K | 496 | 414 |
| 205 | data collection | 16 | 1.1K | 286 | 297 |
| 207 | Transportation | 27 | 1.1K | 509 | 412 |
| 208 | management | 29 | 1.1K | 1184 | 1131 |
| 209 | Agricultural Chemistry | 157 | 1.1K | 153 | 661 |
| 209 | Image Processing | 32 | 1.1K | 488 | 497 |
| 211 | Soil Mechanics | 7 | 1.1K | 829 | 299 |
| 212 | Environmental Policy | 30 | 1.1K | 1011 | 1224 |
| 213 | Sustainable Development | 8 | 1.1K | 1394 | 492 |
| 214 | Meteorites | 18 | 1.1K | 479 | 474 |
| 215 | Information Theory | 31 | 1.1K | 237 | 209 |
| 216 | Laser-plasma interactions | 14 | 1.1K | 21 | 3 |
| 216 | Plasma density | 14 | 1.1K | 21 | 3 |
| 218 | Energy Storage | 20 | 1.0K | 416 | 301 |
| 219 | Cancer | 15 | 1.0K | 2337 | 1795 |
| 220 | Plasma devices | 10 | 1.0K | 147 | 68 |
| 221 | Surface properties | 20 | 991 | 273 | 227 |
| 222 | Information Retrieval | 28 | 985 | 55 | 89 |
| 223 | Radio | 40 | 984 | 99 | 77 |
| 224 | Biometrics | 8 | 971 | 799 | 287 |
| 225 | Metallography | 38 | 966 | 92 | 93 |
| 226 | Medical Technology | 18 | 963 | 650 | 335 |
| 227 | Computational Biology | 24 | 958 | 1080 | 1048 |
| 228 | Planets | 24 | 951 | 748 | 820 |
| 229 | Information Systems | 29 | 948 | 259 | 248 |
| 230 | Wireless Communication Systems | 32 | 944 | 504 | 311 |
| 231 | Mechanical Engineering | 52 | 925 | 505 | 436 |
| 232 | coal | 26 | 910 | 454 | 529 |
| 233 | Celestial Mechanics | 22 | 893 | 39 | 18 |
| 234 | Sun | 27 | 891 | 151 | 153 |
| 235 | Raman spectroscopy | 18 | 890 | 204 | 98 |
| 236 | enzymes | 38 | 879 | 289 | 467 |
| 237 | calcification | 19 | 869 | 155 | 147 |
| 238 | Green Chemistry | 10 | 859 | 1071 | 765 |
| 239 | Structural dynamics | 15 | 827 | 446 | 330 |
| 240 | atmospheric models | 13 | 823 | 384 | 309 |
| 241 | Visual Perception | 57 | 815 | 353 | 657 |
| 242 | Antioxidants | 4 | 813 | 789 | 339 |
| 242 | vitamin C | 4 | 813 | 368 | 61 |
| 242 | vitamin E | 4 | 813 | 368 | 61 |
| 245 | Heat Exchangers | 18 | 804 | 375 | 318 |
| 245 | Memory | 56 | 804 | 415 | 784 |
| 245 | Attention | 56 | 804 | 365 | 685 |
| 248 | Microbial Ecology | 18 | 799 | 1070 | 1255 |
| 249 | Proteomics | 17 | 794 | 395 | 381 |
| 250 | Nuclear Engineering | 77 | 785 | 213 | 227 |
| 251 | Energy Harvesting | 11 | 781 | 210 | 242 |
| 252 | hazard mitigation | 18 | 779 | 212 | 151 |
| 253 | Quantum Computing | 25 | 768 | 18 | 28 |
| 254 | Diffraction | 55 | 763 | 3 | 4 |
| 255 | Product Design | 30 | 755 | 116 | 75 |
| 256 | Radiobiology | 19 | 749 | 936 | 665 |
| 257 | Chemical analysis | 31 | 746 | 248 | 260 |
| 258 | Chromosomes | 8 | 742 | 715 | 358 |
| 259 | Magnetic Materials | 39 | 735 | 290 | 450 |
| 260 | Ceramic materials | 23 | 727 | 376 | 325 |
| 261 | Air Conditioning | 38 | 723 | 10 | 10 |
| 262 | Cheminformatics | 3 | 719 | 407 | 149 |
| 263 | Flow cytometry | 21 | 718 | 54 | 60 |
| 263 | aerosol | 22 | 718 | 99 | 88 |
| 265 | heating | 37 | 717 | 9 | 10 |
| 266 | Fluid Dynamics | 22 | 716 | 388 | 308 |
| 267 | Traffic Engineering | 11 | 709 | 151 | 100 |
| 268 | Textile industry | 31 | 691 | 122 | 67 |
| 269 | Virology | 13 | 689 | 2028 | 2346 |
| 270 | Public Health | 8 | 686 | 4950 | 2781 |
| 271 | Genomics | 19 | 685 | 1629 | 1596 |
| 272 | Nanoelectronics | 43 | 677 | 109 | 101 |
| 273 | Computational Chemistry | 22 | 673 | 134 | 251 |
| 274 | Ocean Engineering | 30 | 671 | 484 | 554 |
| 274 | Ultrasonics | 26 | 671 | 203 | 329 |
| 276 | Engineering Geology | 4 | 666 | 1412 | 508 |
| 277 | United Kingdom | 5 | 651 | 1634 | 788 |
| 278 | Epidemiology | 8 | 635 | 3199 | 1818 |
| 278 | DNA repair | 19 | 635 | 65 | 80 |
| 280 | Solutions | 29 | 630 | 27 | 32 |
| 281 | environmental protection | 31 | 620 | 1054 | 1580 |
| 282 | Nuclear Energy | 62 | 619 | 193 | 259 |
| 283 | Bone diseases | 2 | 614 | 790 | 270 |
| 284 | Photochemistry | 19 | 591 | 652 | 626 |
| 284 | Crystal growth | 16 | 591 | 392 | 299 |
| 286 | Machining | 15 | 589 | 14 | 4 |
| 287 | Medical genetics | 11 | 578 | 2136 | 2135 |
| 288 | Biogeochemical cycles | 2 | 571 | 642 | 345 |
| 289 | Ultrasound | 20 | 569 | 135 | 142 |
| 290 | Meteorology | 21 | 568 | 1028 | 1386 |
| 291 | Sustainable Engineering | 11 | 565 | 893 | 742 |
| 291 | Plastics | 20 | 565 | 630 | 468 |
| 293 | Microfabrication | 43 | 559 | 14 | 64 |
| 294 | Biomechanics | 9 | 545 | 941 | 625 |
| 295 | Organometallic chemistry | 17 | 542 | 848 | 524 |
| 296 | Geology | 19 | 532 | 1560 | 1435 |
| 297 | Operations Research | 23 | 531 | 859 | 916 |
| 298 | Quantum Chemistry | 31 | 520 | 156 | 181 |
| 299 | micromechanics | 17 | 515 | 163 | 158 |
| 299 | solar cells | 21 | 515 | 204 | 406 |
| 301 | Neurology | 6 | 513 | 5088 | 3555 |
| 301 | Nondestructive testing | 45 | 513 | 58 | 141 |
| 303 | genome | 12 | 511 | 914 | 1241 |
| 304 | Plasma chemistry | 7 | 510 | 251 | 81 |
| 305 | Quantum Communication | 15 | 501 | 36 | 64 |
| 306 | Economic Development | 3 | 500 | 2089 | 843 |
| 307 | Powder Metallurgy | 41 | 497 | 55 | 16 |
| 308 | Biosensors | 10 | 494 | 722 | 814 |
| 309 | sustainability | 2 | 492 | 1216 | 419 |
| 309 | biocatalysis | 4 | 492 | 148 | 230 |
| 309 | Homogeneous catalysis | 4 | 492 | 148 | 230 |
| 309 | Heterogeneous catalysis | 4 | 492 | 148 | 230 |
| 313 | Lipids | 4 | 488 | 1471 | 767 |
| 314 | preventive medicine | 3 | 487 | 1770 | 715 |
| 315 | Nutrition | 10 | 481 | 3291 | 2648 |
| 315 | environmental exposure | 9 | 481 | 1240 | 880 |
| 317 | Psychology | 8 | 475 | 4098 | 2579 |
| 318 | gene mapping | 10 | 473 | 1365 | 1364 |
| 319 | System analysis | 19 | 467 | 995 | 914 |
| 320 | Environmental Law | 24 | 465 | 279 | 823 |
| 320 | technology transfer | 17 | 465 | 19 | 74 |
| 322 | Health promotion | 2 | 464 | 2408 | 687 |
| 323 | Electrochemical Analysis | 32 | 462 | 364 | 605 |
| 323 | Diet | 6 | 462 | 1958 | 1421 |
| 325 | infrared radiation | 41 | 449 | 51 | 77 |
| 325 | Calorimetry | 11 | 449 | 546 | 234 |
| 325 | Thermal analysis | 11 | 449 | 546 | 234 |
| 328 | nuclear magnetic resonance spectroscopy | 16 | 446 | 285 | 252 |
| 329 | environmental indicators | 1 | 445 | 2106 | 524 |
| 330 | Jurisprudence | 9 | 444 | 609 | 296 |
| 331 | Environmental risk assessment | 3 | 440 | 469 | 85 |
| 331 | environmental control | 3 | 440 | 248 | 63 |
| 333 | X-ray spectroscopy | 31 | 437 | 15 | 19 |
| 334 | Analytical Toxicology | 10 | 435 | 94 | 48 |
| 335 | Bioinorganic chemistry | 15 | 433 | 701 | 644 |
| 336 | Oncogenes | 3 | 430 | 1494 | 1116 |
| 337 | Accreditation | 34 | 429 | 4 | 6 |
| 338 | plasticity | 7 | 426 | 194 | 207 |
| 339 | Sound | 17 | 422 | 186 | 115 |
| 340 | cosmic rays | 19 | 419 | 148 | 125 |
| 341 | internet | 14 | 415 | 470 | 380 |
| 342 | Human genetics | 4 | 410 | 2546 | 3059 |
| 343 | Electromagnetism | 18 | 409 | 199 | 189 |
| 344 | supercritical fluids | 10 | 407 | 170 | 162 |
| 345 | Synchrotron Radiation | 26 | 401 | 80 | 107 |
| 346 | Developmental Biology | 3 | 399 | 2594 | 1639 |
| 346 | Metallic Glasses | 4 | 399 | 409 | 177 |
| 348 | Automation | 17 | 398 | 799 | 889 |
| 349 | Archaeology | 5 | 397 | 1270 | 535 |
| 350 | Nanochemistry | 13 | 395 | 443 | 293 |
| 351 | Sites | 3 | 394 | 651 | 305 |
| 352 | machinery | 4 | 391 | 757 | 207 |
| 353 | Systems Biology | 7 | 390 | 1264 | 771 |
| 354 | Photobiology | 9 | 387 | 822 | 571 |
| 355 | Biogeochemistry | 6 | 384 | 939 | 846 |
| 356 | Internet of Things | 12 | 375 | 267 | 192 |
| 357 | Roads | 15 | 374 | 360 | 270 |
| 358 | Japan | 12 | 372 | 1193 | 662 |
| 359 | Microwaves | 31 | 360 | 285 | 236 |
| 360 | Oncology | 4 | 355 | 2597 | 2184 |
| 361 | Structural optimization | 3 | 353 | 385 | 144 |
| 362 | Industrial Microbiology | 11 | 351 | 1093 | 1339 |
| 363 | plasma spraying | 11 | 348 | 93 | 82 |
| 364 | Genetic engineering | 10 | 347 | 1454 | 1615 |
| 364 | Communication | 6 | 347 | 1678 | 846 |
| 366 | Integrated Circuits | 24 | 345 | 147 | 58 |
| 367 | Speech | 5 | 342 | 809 | 500 |
| 368 | Earth Sciences | 10 | 339 | 2254 | 1943 |
| 368 | biological evolution | 5 | 339 | 2037 | 1711 |
| 370 | Speech Perception | 4 | 337 | 214 | 103 |
| 370 | auditory perception | 4 | 337 | 283 | 132 |
| 370 | Oral communication | 3 | 337 | 471 | 134 |
| 373 | Chromosome mapping | 7 | 334 | 1529 | 1401 |
| 373 | Radio frequency | 12 | 334 | 105 | 91 |
| 375 | infrared technology | 32 | 333 | 29 | 23 |
| 376 | Organometallic compounds | 12 | 330 | 656 | 620 |
| 377 | Coatings | 11 | 329 | 43 | 3 |
| 377 | Paint | 11 | 329 | 7 | 3 |
| 379 | Structural design | 10 | 327 | 370 | 302 |
| 379 | Medical innovations | 9 | 327 | 637 | 1276 |
| 381 | energy conservation | 8 | 324 | 1307 | 1338 |
| 382 | mathematical analysis | 32 | 320 | 895 | 985 |
| 383 | Nanophotonics | 10 | 315 | 117 | 145 |
| 383 | Differential Equations | 2 | 315 | 1296 | 359 |
| 383 | Mechanics | 10 | 315 | 771 | 487 |
| 383 | Telecommunication | 27 | 315 | 674 | 838 |
| 387 | Cosmochemistry | 6 | 310 | 734 | 590 |
| 388 | Histology | 8 | 309 | 1463 | 1364 |
| 389 | particles | 8 | 308 | 548 | 354 |
| 390 | Semiconductor industry | 15 | 305 | 226 | 194 |
| 391 | Nanobiotechnology | 4 | 302 | 359 | 270 |
| 392 | Systems Engineering | 15 | 301 | 937 | 897 |
| 393 | Engineering Mathematics | 23 | 298 | 889 | 943 |
| 394 | Zeolites | 13 | 294 | 377 | 573 |
| 395 | Pharmacology | 17 | 293 | 3238 | 4145 |
| 395 | structural stability | 6 | 293 | 330 | 199 |
| 397 | Neurophysiology | 3 | 291 | 3515 | 2450 |
| 397 | visualization | 40 | 291 | 304 | 379 |
| 399 | Bioelectronics | 6 | 289 | 852 | 1029 |
| 400 | Human-Computer Interaction | 17 | 285 | 496 | 761 |
| 401 | Hydrology | 7 | 284 | 2041 | 1565 |
| 401 | Carbohydrates | 8 | 284 | 245 | 304 |
| 403 | Solar power plants | 10 | 277 | 68 | 126 |
| 403 | Photovoltaic Cells | 10 | 277 | 68 | 126 |
| 405 | Electrons | 16 | 276 | 12 | 17 |
| 406 | transport vesicles | 2 | 271 | 373 | 430 |
| 407 | Smart Materials | 12 | 269 | 386 | 435 |
| 408 | Bioinstrumentation | 15 | 266 | 7 | 8 |
| 408 | Plasma turbulence | 15 | 266 | 7 | 8 |
| 410 | Granular materials | 4 | 257 | 512 | 242 |
| 411 | water supply | 2 | 255 | 1360 | 744 |
| 412 | Infrared spectroscopy | 4 | 254 | 266 | 88 |
| 413 | Intelligent Transportation Systems | 3 | 250 | 850 | 323 |
| 413 | Organic Geochemistry | 2 | 250 | 568 | 318 |
| 413 | Electrophysiology | 9 | 250 | 814 | 638 |
| 416 | Ultrasonic Imaging | 11 | 249 | 207 | 240 |
| 416 | clay minerals | 4 | 249 | 261 | 186 |
| 418 | ecosystem | 5 | 244 | 1266 | 1218 |
| 419 | Ergonomics | 24 | 240 | 342 | 525 |
| 420 | Information Technology | 23 | 239 | 771 | 1231 |
| 421 | Optical Communications | 14 | 238 | 195 | 231 |
| 421 | solar power | 11 | 238 | 357 | 653 |
| 423 | viruses | 8 | 236 | 1211 | 1558 |
| 424 | Geography | 10 | 228 | 1519 | 1545 |
| 425 | Magnetic Resonance Imaging | 5 | 226 | 528 | 330 |
| 425 | Liquid chromatography | 11 | 226 | 212 | 110 |
| 427 | Adhesion | 9 | 224 | 277 | 249 |
| 427 | Radio wave propagation | 20 | 224 | 220 | 303 |
| 427 | adhesives | 9 | 224 | 303 | 253 |
| 430 | Building | 16 | 223 | 240 | 226 |
| 431 | Physiology | 7 | 222 | 3799 | 3741 |
| 431 | biological monitoring | 12 | 222 | 143 | 304 |
| 433 | Hematology | 4 | 220 | 3781 | 2719 |
| 434 | Space telescopes | 14 | 219 | 47 | 65 |
| 435 | Carbohydrate | 4 | 218 | 21 | 45 |
| 436 | probabilities | 16 | 217 | 627 | 582 |
| 437 | Drug delivery systems | 2 | 214 | 2242 | 1401 |
| 438 | Nuclear Fusion | 10 | 213 | 386 | 354 |
| 439 | Molecular Pharmacology | 12 | 210 | 350 | 768 |
| 439 | Medical Imaging | 4 | 210 | 385 | 250 |
| 441 | Energy Policy | 6 | 209 | 2164 | 2497 |
| 442 | Adsorption | 7 | 208 | 90 | 80 |
| 443 | Economics | 12 | 207 | 2745 | 2585 |
| 443 | Public Policy | 7 | 207 | 1370 | 1300 |
| 443 | Social Psychology | 3 | 207 | 2502 | 1629 |
| 446 | Social problems | 2 | 205 | 859 | 439 |
| 447 | Telemedicine | 2 | 201 | 650 | 244 |
| 447 | natural disasters | 14 | 201 | 483 | 941 |
| 449 | Petroleum Engineering | 3 | 197 | 872 | 469 |
| 450 | Marine Ecology | 3 | 195 | 901 | 477 |
| 451 | Cellulose | 8 | 190 | 319 | 451 |
| 452 | Documentation | 12 | 188 | 115 | 194 |
| 453 | Steroids | 3 | 186 | 1270 | 864 |
| 454 | Gene expression regulation | 7 | 183 | 757 | 1027 |
| 454 | Genetic regulation | 7 | 183 | 931 | 1379 |
| 456 | Ophthalmology | 4 | 179 | 1958 | 1575 |
| 456 | Numerical Analysis | 16 | 179 | 1124 | 1380 |
| 458 | toxicity testing | 3 | 178 | 908 | 570 |
| 459 | biobanks | 16 | 177 | 17 | 39 |
| 459 | drug development | 4 | 177 | 1152 | 1615 |
| 461 | Linguistics | 3 | 176 | 1825 | 769 |
| 462 | health services accessibility | 2 | 174 | 1527 | 663 |
| 463 | Telecommunication Systems | 10 | 173 | 911 | 917 |
| 463 | Health Policy | 1 | 173 | 5017 | 2062 |
| 463 | Cognition | 5 | 173 | 1591 | 1514 |
| 466 | Mobile Computing | 5 | 172 | 972 | 565 |
| 467 | Software Engineering | 20 | 170 | 289 | 571 |
| 467 | Luminescence | 12 | 170 | 621 | 804 |
| 469 | Anatomy | 2 | 166 | 2996 | 1877 |
| 470 | lighting | 21 | 165 | 18 | 13 |
| 471 | Planetary Science | 2 | 164 | 803 | 356 |
| 471 | China | 8 | 164 | 2127 | 2167 |
| 473 | Pathology | 6 | 163 | 2240 | 2534 |
| 473 | eugenics | 1 | 163 | 1457 | 448 |
| 475 | Stem cells | 9 | 162 | 1239 | 1755 |
| 475 | Vision | 4 | 162 | 689 | 638 |
| 477 | identity recognition | 1 | 157 | 60 | 7 |
| 478 | color | 17 | 155 | 48 | 128 |
| 479 | Cryptography | 12 | 152 | 256 | 267 |
| 480 | Environmental Microbiology | 5 | 151 | 1279 | 1750 |
| 480 | Drug design | 6 | 151 | 1430 | 1689 |
| 480 | fusion reactors | 7 | 151 | 357 | 238 |
| 483 | Molecular evolution | 2 | 148 | 2667 | 1841 |
| 484 | Continuum Mechanics | 1 | 147 | 368 | 84 |
| 485 | Radiography | 5 | 146 | 632 | 656 |
| 486 | Recycling | 6 | 145 | 376 | 889 |
| 487 | Neutrons | 24 | 143 | 8 | 13 |
| 488 | Cognitive Radio Networks | 6 | 142 | 39 | 24 |
| 489 | Atmospheric Science | 4 | 141 | 204 | 175 |
| 489 | Petrology | 3 | 141 | 1031 | 899 |
| 489 | atmosphere | 4 | 141 | 817 | 773 |
| 492 | Multiphase Flow | 3 | 140 | 410 | 338 |
| 493 | DNA polymerases | 3 | 139 | 558 | 965 |
| 494 | natural gas | 2 | 137 | 613 | 328 |
| 495 | technical education | 2 | 135 | 717 | 296 |
| 496 | Porous materials | 5 | 134 | 614 | 448 |
| 497 | Electromagnetic waves | 3 | 133 | 240 | 113 |
| 498 | Botany | 5 | 132 | 3722 | 3925 |
| 498 | Interfaces | 21 | 132 | 21 | 182 |
| 500 | Structure-activity relationship | 5 | 128 | 308 | 332 |
| 501 | food technology | 8 | 127 | 1893 | 2655 |
| 501 | health planning | 7 | 127 | 1697 | 1873 |
| 503 | Neural circuitry | 5 | 124 | 1766 | 1969 |
| 504 | Quantum electronics | 13 | 121 | 395 | 546 |
| 505 | Psycholinguistics | 1 | 120 | 1743 | 983 |
| 505 | Morphology | 1 | 120 | 1649 | 632 |
| 505 | Indoor air quality | 10 | 120 | 29 | 28 |
| 505 | Intelligence | 1 | 120 | 497 | 257 |
| 505 | Biomolecules | 3 | 120 | 527 | 612 |
| 510 | Freeze-Drying | 14 | 119 | 151 | 334 |
| 510 | Hypothermia | 14 | 119 | 151 | 334 |
| 510 | Freeze Drying | 14 | 119 | 151 | 334 |
| 513 | Radiation Protection | 10 | 116 | 339 | 331 |
| 513 | radiation monitoring | 10 | 116 | 295 | 305 |
| 513 | Product life cycle | 3 | 116 | 354 | 376 |
| 513 | green products | 3 | 116 | 310 | 367 |
| 513 | Radiation dosimetry | 10 | 116 | 218 | 217 |
| 513 | Aquatic ecology | 2 | 116 | 1413 | 924 |
| 519 | Autonomous robots | 4 | 115 | 138 | 205 |
| 520 | Signal Processing | 8 | 114 | 1399 | 1639 |
| 521 | RNA | 4 | 113 | 522 | 713 |
| 522 | vibration | 5 | 112 | 1124 | 1099 |
| 523 | Psychometrics | 1 | 110 | 815 | 447 |
| 523 | Evolution | 2 | 110 | 2883 | 2310 |
| 525 | Chemical Oceanography | 10 | 109 | 152 | 450 |
| 526 | Ecosystem management | 1 | 108 | 1427 | 771 |
| 527 | Cosmology | 5 | 107 | 1337 | 1026 |
| 528 | Nutrition physiology | 1 | 102 | 1656 | 950 |
| 528 | Multimedia Systems | 7 | 102 | 1203 | 1184 |
| 530 | Water Microbiology | 3 | 99 | 542 | 532 |
| 531 | Fiber Optics | 12 | 98 | 190 | 297 |
| 532 | Computer Science | 10 | 97 | 1295 | 1736 |
| 533 | Control Theory | 13 | 95 | 903 | 1370 |
| 533 | Imaging systems | 10 | 95 | 283 | 486 |
| 535 | System design | 2 | 94 | 409 | 242 |
| 536 | Soil Science | 5 | 92 | 1726 | 2106 |
| 536 | Hypertension | 1 | 92 | 3111 | 2579 |
| 536 | microwave antennas | 6 | 92 | 284 | 286 |
| 536 | Mutagenesis | 3 | 92 | 535 | 429 |
| 536 | Cardiovascular system | 1 | 92 | 3011 | 2653 |
| 541 | Econometrics | 2 | 91 | 1860 | 1227 |
| 542 | occupational health and safety | 7 | 90 | 136 | 201 |
| 542 | industrial hygiene | 9 | 90 | 653 | 859 |
| 544 | Medical Oncology | 7 | 89 | 1850 | 2566 |
| 544 | Microfluidics | 3 | 89 | 252 | 256 |
| 546 | Diagnosis | 7 | 88 | 393 | 615 |
| 546 | isomerism | 3 | 88 | 375 | 277 |
| 546 | mutagens | 3 | 88 | 1083 | 1421 |
| 546 | Chirality | 3 | 88 | 375 | 277 |
| 550 | Surface-Active Agents | 4 | 87 | 1062 | 1573 |
| 550 | Trace elements | 2 | 87 | 423 | 429 |
| 552 | Mitochondria | 7 | 86 | 161 | 449 |
| 553 | Production Planning | 3 | 85 | 283 | 358 |
| 553 | nuclear astrophysics | 2 | 85 | 689 | 581 |
| 553 | Computational Fluid Dynamics | 2 | 85 | 983 | 677 |
| 553 | Production Control | 3 | 85 | 278 | 357 |
| 557 | Anthropology | 1 | 81 | 3275 | 1497 |
| 557 | Occupational Health | 4 | 81 | 1249 | 1157 |
| 557 | Biodegradation | 2 | 81 | 1098 | 1052 |
| 557 | Human evolution | 1 | 81 | 840 | 618 |
| 557 | Fouling | 2 | 81 | 365 | 390 |
| 557 | Psychophysiology | 5 | 81 | 2870 | 3779 |
| 563 | Endocrinology | 9 | 80 | 2517 | 4381 |
| 564 | Computer Architecture | 5 | 77 | 367 | 390 |
| 564 | Nonlinear Optics | 4 | 77 | 236 | 177 |
| 564 | explosives | 6 | 77 | 171 | 173 |
| 567 | Synthetic biology | 8 | 76 | 166 | 418 |
| 568 | Greenhouse gases | 1 | 75 | 735 | 548 |
| 569 | Radio waves | 13 | 73 | 115 | 232 |
| 570 | Microprocessors | 1 | 72 | 1149 | 495 |
| 571 | Algae | 1 | 71 | 1362 | 975 |
| 571 | Seaweed | 1 | 71 | 1084 | 854 |
| 571 | Extreme environments | 5 | 71 | 156 | 418 |
| 574 | Fire Protection Engineering | 7 | 70 | 6 | 13 |
| 574 | Electronic Packaging | 5 | 70 | 129 | 167 |
| 574 | Combinatorial analysis | 5 | 70 | 984 | 762 |
| 577 | Graph Theory | 5 | 69 | 678 | 528 |
| 577 | Lipid metabolism | 1 | 69 | 946 | 788 |
| 577 | Lipid | 1 | 69 | 951 | 791 |
| 577 | Microwave devices | 9 | 69 | 53 | 66 |
| 581 | Technological Innovations | 10 | 67 | 473 | 1302 |
| 581 | Database Security | 2 | 67 | 131 | 65 |
| 581 | Human-robot interaction | 3 | 67 | 56 | 58 |
| 581 | Matroids | 2 | 67 | 322 | 237 |
| 585 | Detectors | 1 | 66 | 2008 | 784 |
| 586 | Aerospace Engineering | 1 | 65 | 756 | 239 |
| 586 | Environmental Geology | 2 | 65 | 2207 | 2045 |
| 586 | Geomagnetism | 5 | 65 | 627 | 844 |
| 586 | Mesoporous materials | 3 | 65 | 99 | 160 |
| 590 | Immunology | 5 | 64 | 3931 | 5352 |
| 590 | Biopharmaceutics | 2 | 64 | 1886 | 1839 |
| 590 | food handling | 2 | 64 | 1317 | 1505 |
| 590 | drugs | 2 | 64 | 3427 | 3131 |
| 594 | Applied Sciences | 1 | 63 | 51 | 91 |
| 594 | Applied Mechanics | 1 | 63 | 51 | 91 |
| 594 | Electromagnetic compatibility | 5 | 63 | 53 | 47 |
| 597 | Education | 18 | 62 | 1894 | 3712 |
| 597 | Pharmaceutical Technology | 2 | 62 | 2185 | 2164 |
| 599 | Highway Engineering | 3 | 59 | 433 | 448 |
| 599 | particle accelerators | 3 | 59 | 163 | 187 |
| 599 | particle beams | 3 | 59 | 240 | 253 |
| 599 | investigative techniques | 2 | 59 | 193 | 272 |
| 603 | Geobiology | 3 | 58 | 567 | 738 |
| 604 | Speech-Language Pathology | 2 | 56 | 421 | 370 |
| 604 | Virtual reality | 9 | 56 | 123 | 482 |
| 604 | automatic speech recognition | 2 | 56 | 219 | 230 |
| 607 | Real-time Data Processing | 2 | 55 | 174 | 156 |
| 607 | Chemical structure | 4 | 55 | 470 | 455 |
| 609 | Extracellular matrix | 1 | 54 | 595 | 653 |
| 609 | Hormones | 4 | 54 | 1489 | 2237 |
| 609 | Chemical processes | 1 | 54 | 1299 | 778 |
| 609 | disease susceptibility | 3 | 54 | 436 | 587 |
| 609 | biochemical markers | 3 | 54 | 1061 | 1253 |
| 609 | symptoms | 3 | 54 | 436 | 587 |
| 609 | collagen | 1 | 54 | 620 | 672 |
| 616 | Educational Psychology | 2 | 53 | 1946 | 1788 |
| 616 | economic policy | 5 | 53 | 2365 | 2461 |
| 616 | forest policy | 1 | 53 | 808 | 549 |
| 616 | Minerals | 2 | 53 | 1170 | 1144 |
| 620 | Social Sciences | 5 | 52 | 3631 | 3807 |
| 620 | Materials Engineering | 5 | 52 | 576 | 775 |
| 620 | Computational Linguistics | 7 | 52 | 297 | 497 |
| 623 | Genetic algorithms | 1 | 51 | 409 | 370 |
| 623 | Evolutionary Computation | 1 | 51 | 858 | 632 |
| 623 | Welding | 3 | 51 | 359 | 202 |
| 623 | Library Science | 5 | 51 | 1132 | 973 |
| 627 | Hydraulic Engineering | 11 | 50 | 509 | 1280 |
| 627 | India | 10 | 50 | 967 | 1354 |
| 629 | Electron Microscopy | 3 | 49 | 491 | 571 |
| 630 | Methodology | 4 | 48 | 434 | 551 |
| 630 | Methods | 4 | 48 | 104 | 126 |
| 630 | Approximation Theory | 2 | 48 | 609 | 417 |
| 633 | Virulence | 2 | 47 | 1762 | 2617 |
| 634 | Neurochemistry | 1 | 46 | 4141 | 3821 |
| 634 | Gene library | 2 | 46 | 115 | 202 |
| 634 | Respiration | 4 | 46 | 1705 | 2623 |
| 637 | Hydrodynamics | 2 | 45 | 800 | 957 |
| 637 | Wireless Communication | 3 | 45 | 505 | 514 |
| 637 | X-rays | 4 | 45 | 711 | 921 |
| 637 | freshwater biology | 3 | 45 | 1121 | 1436 |
| 641 | magnetic resonance | 8 | 44 | 325 | 733 |
| 642 | Molecular Imaging | 1 | 43 | 1378 | 1320 |
| 642 | Optoelectronic devices | 6 | 43 | 629 | 838 |
| 642 | Host-parasite interactions | 1 | 43 | 2507 | 2826 |
| 642 | drug therapy | 1 | 43 | 4641 | 4055 |
| 642 | Hazardous waste | 7 | 43 | 588 | 2038 |
| 642 | Interactive multimedia | 2 | 43 | 462 | 429 |
| 642 | Immunity | 1 | 43 | 3563 | 3842 |
| 649 | Psychiatry | 1 | 42 | 7901 | 6769 |
| 649 | Psychopharmacology | 1 | 42 | 3069 | 2748 |
| 649 | Hematopoietic stem cell transplantation | 2 | 42 | 749 | 1057 |
| 649 | Paleoceanography | 1 | 42 | 386 | 471 |
| 649 | ozone | 1 | 42 | 310 | 181 |
| 649 | Nonlinear mechanics | 3 | 42 | 457 | 616 |
| 655 | Computer Engineering | 6 | 41 | 524 | 1131 |
| 655 | Emulsions | 2 | 41 | 551 | 441 |
| 655 | radioactive waste | 6 | 41 | 535 | 1954 |
| 655 | arthritis | 2 | 41 | 1922 | 2554 |
| 655 | Biodiversity | 1 | 41 | 4190 | 3620 |
| 660 | Politics | 4 | 40 | 696 | 586 |
| 660 | government | 4 | 40 | 781 | 786 |
| 662 | Simulation Methods | 8 | 39 | 561 | 1496 |
| 662 | Business | 1 | 39 | 3924 | 3099 |
| 662 | international cooperation | 2 | 39 | 905 | 1152 |
| 662 | Fisheries | 2 | 39 | 2418 | 2469 |
| 666 | Political Science | 1 | 38 | 3299 | 1842 |
| 666 | Food additives | 3 | 38 | 1464 | 2271 |
| 666 | food contamination | 3 | 38 | 1315 | 1701 |
| 666 | Sulfur | 1 | 38 | 264 | 101 |
| 666 | Social work | 1 | 38 | 3074 | 1945 |
| 671 | Database Management | 9 | 37 | 494 | 1227 |
| 671 | Nanomedicine | 3 | 37 | 238 | 629 |
| 671 | Risk | 4 | 37 | 552 | 1116 |
| 671 | NMR | 7 | 37 | 356 | 781 |
| 675 | glycoproteins | 1 | 36 | 1035 | 1065 |
| 675 | Glycoconjugates | 1 | 36 | 1035 | 1065 |
| 675 | Oligosaccharide | 1 | 36 | 722 | 807 |
| 675 | research and development | 7 | 36 | 135 | 644 |
| 675 | Decision making | 3 | 36 | 1882 | 2537 |
| 675 | Criminal investigation | 2 | 36 | 303 | 303 |
| 675 | glycolipids | 1 | 36 | 1035 | 1065 |
| 682 | Magnetism | 9 | 35 | 60 | 40 |
| 682 | Chemical industry | 3 | 35 | 1647 | 1913 |
| 684 | Metabolism | 2 | 34 | 4172 | 5328 |
| 684 | Agricultural Ecology | 1 | 34 | 2280 | 2437 |
| 686 | Industrial Design | 2 | 33 | 372 | 468 |
| 686 | Bioenergetics | 3 | 33 | 1057 | 1721 |
| 686 | Marine Meteorology | 1 | 33 | 656 | 648 |
| 686 | Iron | 2 | 33 | 603 | 631 |
| 686 | Europe | 2 | 33 | 5061 | 4909 |
| 691 | Microstructure | 5 | 32 | 731 | 1257 |
| 691 | Bones | 1 | 32 | 1864 | 1910 |
| 691 | Marine mammals | 1 | 32 | 578 | 541 |
| 694 | multimedia | 1 | 31 | 409 | 337 |
| 695 | Economic History | 2 | 30 | 5131 | 4398 |
| 695 | Probability | 2 | 30 | 895 | 1183 |
| 695 | Risk Management | 3 | 30 | 852 | 1469 |
| 695 | Flexible manufacturing systems | 2 | 30 | 552 | 858 |
| 695 | Financial management | 2 | 30 | 774 | 1208 |
| 700 | Neurobiology | 1 | 29 | 3294 | 3603 |
| 701 | Histocompatibility Testing | 1 | 28 | 1341 | 1190 |
| 702 | Clinical Pharmacology | 1 | 27 | 2962 | 2956 |
| 702 | Integrated Optics | 6 | 27 | 30 | 67 |
| 702 | peptides | 2 | 27 | 1420 | 1656 |
| 705 | Clinical Biochemistry | 5 | 26 | 1351 | 2606 |
| 705 | Child | 1 | 26 | 4980 | 4426 |
| 705 | Molecular recognition | 1 | 26 | 554 | 580 |
| 705 | Waste management | 4 | 26 | 1436 | 2532 |
| 705 | Adolescent | 1 | 26 | 4458 | 3907 |
| 705 | electroplating | 1 | 26 | 127 | 66 |
| 705 | surface preparation | 1 | 26 | 106 | 64 |
| 705 | Catalysts | 2 | 26 | 975 | 1255 |
| 713 | Seismology | 5 | 25 | 496 | 925 |
| 713 | Structural biology | 2 | 25 | 110 | 348 |
| 713 | Water quality management | 2 | 25 | 2698 | 3293 |
| 713 | Production Management | 1 | 25 | 1951 | 2227 |
| 713 | Oxidation | 3 | 25 | 181 | 382 |
| 718 | Algebra | 3 | 24 | 1697 | 1548 |
| 718 | Radiation effects | 12 | 24 | 211 | 1524 |
| 718 | pigments | 1 | 24 | 1520 | 1647 |
| 721 | Geriatrics | 1 | 23 | 5787 | 5274 |
| 721 | Comparative Physiology | 1 | 23 | 1583 | 1657 |
| 721 | Emergency Medicine | 1 | 23 | 3211 | 2947 |
| 721 | Liquid Crystals | 5 | 23 | 857 | 1170 |
| 721 | Metrology | 10 | 23 | 25 | 143 |
| 726 | Oceanography | 2 | 22 | 2488 | 3193 |
| 726 | Geodynamics | 5 | 22 | 765 | 1566 |
| 726 | Social Change | 2 | 22 | 1390 | 2311 |
| 726 | carcinogens | 2 | 22 | 1576 | 2521 |
| 726 | extraterrestrial environment | 2 | 22 | 959 | 1215 |
| 731 | Law | 2 | 21 | 2207 | 1476 |
| 731 | Geosynthetics | 1 | 21 | 324 | 326 |
| 731 | Carcinogenesis | 2 | 21 | 1612 | 2596 |
| 731 | Australia | 2 | 21 | 3052 | 3597 |
| 735 | Genetic databases | 1 | 20 | 140 | 61 |
| 735 | libraries | 2 | 20 | 1179 | 918 |
| 735 | Aquaculture | 3 | 20 | 1741 | 2661 |
| 738 | Systems Analysis | 3 | 19 | 1316 | 2236 |
| 738 | Heterocyclic chemistry | 1 | 19 | 1158 | 900 |
| 738 | Multivariate Analysis | 2 | 19 | 692 | 925 |
| 738 | Classification | 2 | 19 | 417 | 548 |
| 738 | pharmaceutical industry | 1 | 19 | 1323 | 1342 |
| 738 | Cell metabolism | 2 | 19 | 1132 | 2028 |
| 744 | Clinical Laboratory Science | 2 | 18 | 440 | 657 |
| 744 | Quality Management | 4 | 18 | 144 | 404 |
| 744 | Marine Geology | 1 | 18 | 1081 | 1212 |
| 744 | Petroleum Geology | 1 | 18 | 936 | 1111 |
| 744 | Total Quality Management | 1 | 18 | 1201 | 1338 |
| 744 | Boundary Value Problems | 2 | 18 | 574 | 539 |
| 744 | Antenna Arrays | 2 | 18 | 210 | 248 |
| 744 | analysis | 3 | 18 | 389 | 705 |
| 744 | cell physiology | 2 | 18 | 2275 | 3644 |
| 753 | Environmental Science | 1 | 17 | 53 | 106 |
| 753 | Geodesy | 1 | 17 | 1560 | 1651 |
| 753 | Quality Assurance | 1 | 17 | 984 | 1013 |
| 753 | Immunohistochemistry | 1 | 17 | 478 | 451 |
| 753 | Safety management | 1 | 17 | 1489 | 1444 |
| 753 | drug evaluation | 1 | 17 | 2757 | 3189 |
| 753 | impact | 1 | 17 | 657 | 874 |
| 760 | Power Electronics | 1 | 16 | 1223 | 1218 |
| 760 | Stochastic Processes | 4 | 16 | 893 | 1700 |
| 760 | Physical organic chemistry | 1 | 16 | 2386 | 2717 |
| 760 | Dehydration | 1 | 16 | 32 | 29 |
| 760 | Cryopreservation | 1 | 16 | 32 | 29 |
| 760 | Coding Theory | 4 | 16 | 319 | 573 |
| 760 | Graphene | 1 | 16 | 299 | 476 |
| 760 | Harmonic Analysis | 1 | 16 | 312 | 395 |
| 768 | Entropy | 3 | 15 | 1293 | 2190 |
| 768 | Molecular ecology | 2 | 15 | 1613 | 2876 |
| 768 | exobiology | 2 | 15 | 516 | 917 |
| 768 | Groundwater | 1 | 15 | 1373 | 1600 |
| 768 | industrial waste | 2 | 15 | 1193 | 2421 |
| 773 | Sociology | 4 | 14 | 3306 | 6127 |
| 773 | Cybernetics | 3 | 14 | 1589 | 2781 |
| 773 | Nuclear Medicine | 12 | 14 | 641 | 2269 |
| 773 | Industrial Statistics | 2 | 14 | 319 | 450 |
| 773 | Number Theory | 3 | 14 | 983 | 1178 |
| 773 | Soil dynamics | 2 | 14 | 641 | 1098 |
| 773 | Energy metabolism | 1 | 14 | 1230 | 1482 |
| 773 | Social Media | 3 | 14 | 205 | 416 |
| 773 | Nanomanufacturing | 3 | 14 | 113 | 184 |
| 773 | Social policy | 4 | 14 | 1012 | 2041 |
| 773 | cell membrane | 1 | 14 | 1172 | 1416 |
| 773 | Nervous system | 1 | 14 | 4619 | 5568 |
| 773 | planning | 4 | 14 | 692 | 1769 |
| 773 | mathematical concepts | 2 | 14 | 599 | 917 |
| 773 | Economic planning | 4 | 14 | 430 | 1293 |
| 788 | Structural health monitoring | 1 | 13 | 447 | 658 |
| 788 | Bioavailability | 2 | 13 | 109 | 315 |
| 788 | Kalman Filtering | 1 | 13 | 256 | 227 |
| 788 | Friction | 1 | 13 | 247 | 433 |
| 788 | water resources | 1 | 13 | 462 | 473 |
| 788 | Plant tissue culture | 1 | 13 | 1421 | 1773 |
| 788 | teratogenic agents | 1 | 13 | 600 | 742 |
| 788 | Input-output analysis | 2 | 13 | 385 | 705 |
| 788 | Programming Languages | 3 | 13 | 22 | 65 |
| 788 | Plant cell culture | 1 | 13 | 1312 | 1750 |
| 798 | Pediatrics | 2 | 12 | 4029 | 5864 |
| 798 | Chemical Ecology | 2 | 12 | 782 | 1476 |
| 798 | Tissue Engineering | 1 | 12 | 695 | 967 |
| 798 | Molecular Genetics | 2 | 12 | 3011 | 4806 |
| 798 | Bioethics | 1 | 12 | 1908 | 2012 |
| 798 | Medical Ethics | 1 | 12 | 2473 | 2615 |
| 798 | Urbanization | 1 | 12 | 612 | 642 |
| 798 | Environmental carcinogens | 1 | 12 | 84 | 189 |
| 798 | Intelligent Control Systems | 2 | 12 | 1665 | 2143 |
| 798 | Air pollution | 1 | 12 | 48 | 97 |
| 798 | Urban climatology | 1 | 12 | 48 | 97 |
| 798 | Semantic web | 3 | 12 | 163 | 545 |
| 798 | chemical spills | 3 | 12 | 19 | 86 |
| 798 | pheromones | 2 | 12 | 718 | 1401 |
| 798 | software | 2 | 12 | 1452 | 2640 |
| 798 | Navigation | 7 | 12 | 260 | 914 |
| 814 | Acoustics | 5 | 11 | 209 | 386 |
| 814 | Histochemistry | 3 | 11 | 1360 | 2715 |
| 814 | Terahertz Technology | 3 | 11 | 35 | 104 |
| 814 | blood transfusion | 1 | 11 | 1741 | 2069 |
| 814 | energy resources | 1 | 11 | 2487 | 3565 |
| 819 | Pharmacognosy | 1 | 10 | 3365 | 4384 |
| 819 | Acoustic holography | 2 | 10 | 141 | 95 |
| 819 | Functional equations | 2 | 10 | 359 | 459 |
| 819 | gene therapy | 2 | 10 | 1802 | 3194 |
| 819 | Reproductive toxicology | 3 | 10 | 625 | 1516 |
| 819 | Holography | 2 | 10 | 141 | 95 |
| 819 | Acoustic imaging | 2 | 10 | 141 | 95 |
| 819 | natural products | 1 | 10 | 3153 | 3605 |
| 819 | Electromagnetic fields | 1 | 10 | 731 | 684 |
| 819 | tomography | 1 | 10 | 886 | 1007 |
| 819 | optical devices | 3 | 10 | 588 | 1250 |
| 819 | Human biology | 1 | 10 | 1385 | 1775 |
| 819 | Genes | 1 | 10 | 2359 | 3064 |
| 832 | Adolescent Medicine | 1 | 9 | 1431 | 2038 |
| 832 | Neurotoxicology | 1 | 9 | 1254 | 2005 |
| 832 | Radiopharmaceuticals | 5 | 9 | 340 | 881 |
| 832 | infection | 2 | 9 | 2635 | 4442 |
| 836 | Systems Theory | 2 | 8 | 970 | 1589 |
| 836 | Industrial Safety | 1 | 8 | 2552 | 3082 |
| 836 | Technology Assessment | 1 | 8 | 845 | 1511 |
| 836 | histological techniques | 1 | 8 | 1461 | 2187 |
| 836 | Environmental forensics | 1 | 8 | 212 | 335 |
| 836 | textile fibers | 2 | 8 | 754 | 1216 |
| 836 | Behavior | 2 | 8 | 4737 | 7735 |
| 836 | Egypt | 1 | 8 | 1232 | 1840 |
| 844 | Fractals | 1 | 7 | 2280 | 2768 |
| 844 | Radiometry | 11 | 7 | 10 | 37 |
| 844 | Culture techniques | 1 | 7 | 696 | 958 |
| 844 | Uncertainty | 2 | 7 | 244 | 538 |
| 848 | Hydrogeology | 1 | 6 | 1423 | 1903 |
| 848 | Telecommunications | 2 | 6 | 1203 | 2082 |
| 848 | Architectural Design | 1 | 6 | 904 | 1145 |
| 848 | Aerodynamics | 3 | 6 | 182 | 306 |
| 848 | Geothermal Energy | 1 | 6 | 549 | 888 |
| 848 | Ion Exchange | 1 | 6 | 291 | 415 |
| 848 | Flow Visualization | 1 | 6 | 176 | 106 |
| 848 | microwave communication systems | 2 | 6 | 240 | 491 |
| 848 | Finite Element Method | 1 | 6 | 622 | 943 |
| 848 | Solvent extraction | 1 | 6 | 291 | 415 |
| 848 | Liposomes | 1 | 6 | 1150 | 1680 |
| 848 | Lipid bilayers | 1 | 6 | 915 | 1296 |
| 848 | Nematodes | 1 | 6 | 162 | 231 |
| 848 | weather | 1 | 6 | 1252 | 2001 |
| 848 | Testing | 2 | 6 | 60 | 65 |
| 848 | Eigenvalues | 1 | 6 | 498 | 342 |
| 864 | Architecture | 3 | 5 | 795 | 1286 |
| 864 | Regional Planning | 2 | 5 | 2201 | 3658 |
| 864 | Speech Disorders | 2 | 5 | 1464 | 2620 |
| 864 | Hearing | 2 | 5 | 1034 | 1907 |
| 864 | city planning | 3 | 5 | 1894 | 3945 |
| 864 | disease outbreaks | 1 | 5 | 1248 | 2027 |
| 864 | Epidemics | 1 | 5 | 1171 | 1941 |
| 864 | astronomical phenomena | 1 | 5 | 1240 | 1696 |
| 872 | emergency management | 2 | 4 | 1352 | 3033 |
| 872 | Infections | 1 | 4 | 2454 | 3724 |
| 872 | occupational diseases | 1 | 4 | 2078 | 3310 |
| 872 | Sensor Networks | 1 | 4 | 536 | 819 |
| 872 | Microwave circuits | 1 | 4 | 322 | 454 |
| 872 | Ubiquitous computing | 1 | 4 | 592 | 785 |
| 872 | Computational Complexity | 1 | 4 | 2065 | 2643 |
| 872 | human behavior | 1 | 4 | 4734 | 6854 |
| 880 | Marine Engineering | 3 | 3 | 316 | 823 |
| 880 | Audiology | 1 | 3 | 1535 | 2233 |
| 880 | Language Disorders | 1 | 3 | 1632 | 2386 |
| 880 | Naval Architecture | 3 | 3 | 357 | 1010 |
| 880 | Conservation Biology | 1 | 3 | 2256 | 3232 |
| 880 | Agronomy | 2 | 3 | 795 | 1889 |
| 880 | Population Genetics | 1 | 3 | 2320 | 3426 |
| 880 | Diabetes mellitus | 1 | 3 | 4124 | 5903 |
| 880 | Green Technology | 1 | 3 | 1071 | 1848 |
| 880 | diffusion | 1 | 3 | 764 | 747 |
| 880 | Metabolic diseases | 2 | 3 | 3645 | 6127 |
| 880 | acupuncture | 1 | 3 | 542 | 732 |
| 880 | construction | 1 | 3 | 423 | 747 |
| 880 | forestry | 1 | 3 | 528 | 918 |
| 880 | Transplantation | 1 | 3 | 2332 | 3164 |
| 880 | food industry | 1 | 3 | 1499 | 2371 |
| 880 | drug toxicity | 1 | 3 | 1108 | 1952 |
| 880 | Fuzzy systems | 1 | 3 | 3098 | 3984 |
| 880 | Diabetes | 1 | 3 | 4209 | 5959 |
| 899 | Dermatology | 1 | 2 | 3376 | 4522 |
| 899 | Optoelectronics | 1 | 2 | 1192 | 1734 |
| 899 | Medical Microbiology | 1 | 2 | 4498 | 6487 |
| 899 | Algorithms | 3 | 2 | 844 | 1999 |
| 899 | Global Governance | 2 | 2 | 12 | 81 |
| 899 | Multiscale Modeling | 1 | 2 | 100 | 181 |
| 899 | nuclear spectroscopy | 1 | 2 | 8 | 31 |
| 899 | Rock deformation | 1 | 2 | 454 | 828 |
| 899 | soil microbiology | 1 | 2 | 2781 | 4262 |
| 899 | Cytoskeleton | 1 | 2 | 589 | 1067 |
| 899 | Entrepreneurship | 1 | 2 | 1912 | 2901 |
| 899 | monitoring | 1 | 2 | 710 | 1196 |
| 899 | nuclear power | 2 | 2 | 773 | 1351 |
| 899 | innovation | 2 | 2 | 862 | 1985 |
| 899 | Microorganisms | 1 | 2 | 2340 | 3607 |
| 899 | wood | 3 | 2 | 516 | 1528 |
| 915 | Urban Planning | 1 | 1 | 802 | 1420 |
| 915 | Global Health | 1 | 1 | 2576 | 4258 |
| 915 | Logistics | 1 | 1 | 1071 | 1760 |
| 915 | Landscape Ecology | 1 | 1 | 965 | 1685 |
| 915 | Public Health Informatics | 3 | 1 | 118 | 350 |
| 915 | community development | 1 | 1 | 1205 | 1964 |
| 915 | Computational Intelligence | 1 | 1 | 2051 | 3160 |
| 915 | digital preservation | 1 | 1 | 246 | 528 |
| 915 | Logic Programming | 1 | 1 | 599 | 873 |
| 915 | Brachytherapy | 5 | 1 | 267 | 849 |
| 915 | Sequential Analysis | 1 | 1 | 203 | 322 |
| 915 | Housing | 1 | 1 | 956 | 1641 |
| 915 | Earthquakes | 1 | 1 | 799 | 1281 |
| 915 | Waterways | 2 | 1 | 122 | 330 |
| 915 | Foodborne diseases | 1 | 1 | 630 | 1158 |
| 915 | Harbors | 2 | 1 | 154 | 447 |
| 915 | Germany | 2 | 1 | 1118 | 2228 |
| 915 | Genetic therapy | 1 | 1 | 2533 | 3794 |
| 915 | ADA | 3 | 1 | 70 | 169 |
| 915 | Population | 1 | 1 | 2266 | 3482 |
| 915 | Protein engineering | 1 | 1 | 542 | 1033 |
| 915 | molecular design | 1 | 1 | 603 | 1066 |
| 937 | Radio Astronomy | 1 | 0 | 30 | 54 |
| 937 | Emergency Medical Services | 1 | 0 | 1894 | 3214 |
| 937 | Mechatronics | 1 | 0 | 1462 | 2517 |
| 937 | Freshwater Ecology | 1 | 0 | 616 | 1196 |
| 937 | Public Administration | 1 | 0 | 2746 | 4128 |
| 937 | Particle Physics | 1 | 0 | 1463 | 2003 |
| 937 | Coastal zone management | 1 | 0 | 1398 | 2445 |
| 937 | Organizational change | 1 | 0 | 1479 | 2624 |
| 937 | Noise | 2 | 0 | 237 | 747 |
| 937 | Access to Information | 2 | 0 | 253 | 1154 |
| 937 | Noise control | 2 | 0 | 456 | 705 |
| 937 | big data | 2 | 0 | 814 | 2358 |
| 937 | Parasitology | 1 | 0 | 4234 | 6072 |
| 937 | Information management | 2 | 0 | 121 | 740 |
| 937 | Bacteria | 1 | 0 | 829 | 1464 |
| 937 | drainage | 2 | 0 | 415 | 1183 |
| 937 | Dementia | 1 | 0 | 2712 | 3388 |
| 937 | Laboratories | 2 | 0 | 23 | 169 |
| 937 | Alzheimer's disease | 1 | 0 | 2779 | 3484 |
| 937 | public works | 1 | 0 | 282 | 616 |
| 937 | Endocrine system | 1 | 0 | 1800 | 1909 |
| 937 | information | 2 | 0 | 72 | 365 |
| 937 | smart structures | 1 | 0 | 276 | 637 |
| 937 | Elementary particles | 1 | 0 | 360 | 565 |
| 937 | Information dissemination | 2 | 0 | 253 | 1154 |
| 937 | applications | 1 | 0 | 110 | 279 |
| 937 | language | 1 | 0 | 1520 | 2287 |