| 1 | Chemistry | 3,540 | 209.9K | 65 | 72 |
| 2 | Catalysis | 1,885 | 99.6K | 3 | 4 |
| 3 | Chemical Engineering | 3,326 | 95.1K | 4 | 12 |
| 4 | Materials | 1,263 | 69.8K | 110 | 110 |
| 5 | Biotechnology | 1,682 | 50.7K | 15 | 71 |
| 6 | Biocompatible Materials | 794 | 49.4K | 46 | 46 |
| 7 | Physics | 916 | 45.5K | 453 | 552 |
| 8 | Biochemical Engineering | 1,294 | 44.8K | 5 | 33 |
| 9 | Polymers | 1,845 | 40.6K | 18 | 52 |
| 10 | Materials Science | 753 | 39.5K | 100 | 100 |
| 11 | Nanotechnology | 894 | 39.4K | 95 | 148 |
| 12 | polymerization | 1,518 | 33.2K | 15 | 42 |
| 13 | Biology | 363 | 32.9K | 649 | 570 |
| 14 | Analytical Chemistry | 825 | 32.5K | 40 | 40 |
| 15 | Biochemistry | 1,262 | 32.4K | 311 | 447 |
| 16 | Biomedical Engineering | 916 | 27.3K | 32 | 60 |
| 17 | Microbiology | 841 | 25.0K | 163 | 342 |
| 18 | Colloids | 728 | 24.7K | 28 | 57 |
| 19 | Bioengineering | 689 | 22.8K | 39 | 145 |
| 20 | Surface Chemistry | 694 | 22.8K | 34 | 62 |
| 21 | Science | 383 | 22.1K | 674 | 712 |
| 22 | Environment | 455 | 21.7K | 141 | 256 |
| 23 | Industrial Engineering | 823 | 21.1K | 3 | 4 |
| 24 | Nanostructured Materials | 461 | 21.1K | 71 | 76 |
| 25 | Pollution | 374 | 20.7K | 227 | 250 |
| 26 | Optical materials | 298 | 19.9K | 75 | 72 |
| 27 | Automation | 312 | 17.9K | 56 | 65 |
| 28 | nanoscience | 284 | 16.9K | 99 | 112 |
| 29 | Biomass Energy | 327 | 16.7K | 18 | 38 |
| 30 | Ecology | 317 | 14.6K | 447 | 510 |
| 31 | Green Chemistry | 285 | 13.9K | 13 | 24 |
| 32 | Organic Chemistry | 421 | 13.2K | 31 | 62 |
| 33 | coal | 397 | 13.2K | 11 | 16 |
| 34 | Electrochemistry | 390 | 13.2K | 186 | 116 |
| 35 | Pharmaceutical Chemistry | 375 | 12.3K | 97 | 148 |
| 36 | environmental pollution | 286 | 12.2K | 167 | 197 |
| 37 | Environmental Health | 230 | 11.7K | 339 | 325 |
| 38 | Technology | 363 | 10.4K | 101 | 108 |
| 39 | Bioorganic chemistry | 304 | 10.3K | 32 | 65 |
| 40 | Environmental Engineering | 203 | 10.2K | 182 | 223 |
| 41 | Energy Conversion | 99 | 9.5K | 84 | 102 |
| 42 | Molecular Biology | 301 | 8.8K | 729 | 902 |
| 43 | Sustainable Engineering | 221 | 8.7K | 10 | 26 |
| 44 | Environmental Management | 151 | 8.2K | 100 | 91 |
| 45 | Agricultural Chemistry | 237 | 8.1K | 65 | 83 |
| 46 | Environmental monitoring | 177 | 7.9K | 175 | 203 |
| 47 | Cybernetics | 135 | 7.7K | 57 | 65 |
| 48 | Membranes | 155 | 7.5K | 88 | 99 |
| 49 | Environmental Chemistry | 62 | 7.4K | 212 | 144 |
| 50 | Energy Policy | 247 | 7.3K | 49 | 136 |
| 51 | Magnetic Materials | 121 | 7.3K | 75 | 33 |
| 52 | sanitation | 77 | 7.2K | 193 | 178 |
| 53 | Industrial Microbiology | 246 | 7.1K | 8 | 43 |
| 54 | Natural history | 24 | 7.1K | 1,039 | 780 |
| 55 | Water | 132 | 7.1K | 186 | 221 |
| 56 | China | 457 | 7.1K | 52 | 68 |
| 57 | Artificial Intelligence | 249 | 7.0K | 129 | 231 |
| 58 | Carbon | 97 | 6.7K | 58 | 64 |
| 59 | Statistical physics | 163 | 6.7K | 473 | 344 |
| 60 | Clinical Chemistry | 165 | 6.4K | 168 | 178 |
| 61 | Nanoparticles | 179 | 6.1K | 53 | 87 |
| 62 | Signal Processing | 210 | 5.9K | 155 | 234 |
| 63 | Biosensors | 104 | 5.9K | 49 | 48 |
| 64 | pigments | 255 | 5.8K | 1 | 2 |
| 65 | Fracture mechanics | 250 | 5.8K | 24 | 41 |
| 66 | Medicine | 173 | 5.7K | 1,208 | 1,267 |
| 67 | Systems Engineering | 211 | 5.7K | 41 | 54 |
| 68 | Physical Chemistry | 136 | 5.6K | 167 | 184 |
| 69 | Pharmacology | 165 | 5.5K | 629 | 600 |
| 70 | Renewable Energy Sources | 49 | 5.4K | 429 | 312 |
| 71 | energy conservation | 109 | 5.4K | 118 | 170 |
| 72 | Mathematics | 386 | 5.3K | 475 | 469 |
| 73 | Bioelectronics | 72 | 5.3K | 54 | 41 |
| 74 | Research | 192 | 5.2K | 948 | 1,012 |
| 75 | Neural circuitry | 189 | 5.1K | 50 | 76 |
| 76 | Composite Materials | 158 | 4.7K | 210 | 309 |
| 77 | environmental protection | 217 | 4.6K | 79 | 276 |
| 78 | Medical Laboratory Science | 161 | 4.6K | 62 | 168 |
| 79 | Nanostructures | 147 | 4.6K | 39 | 155 |
| 80 | Control Theory | 216 | 4.3K | 50 | 101 |
| 81 | Chemical industry | 342 | 4.2K | 21 | 14 |
| 82 | miniaturization | 87 | 4.2K | 183 | 256 |
| 83 | fuel cells | 85 | 4.1K | 86 | 145 |
| 84 | Toxicology | 122 | 4.1K | 553 | 580 |
| 85 | Zeolites | 120 | 4.1K | 6 | 12 |
| 86 | Computational Biology | 61 | 4.0K | 366 | 298 |
| 87 | Pharmaceutical Technology | 116 | 3.9K | 36 | 49 |
| 88 | Microbial Ecology | 104 | 3.9K | 216 | 356 |
| 89 | Physical organic chemistry | 144 | 3.9K | 10 | 13 |
| 90 | Chemical analysis | 100 | 3.8K | 18 | 12 |
| 91 | actuators | 100 | 3.8K | 154 | 161 |
| 91 | transducers | 100 | 3.8K | 154 | 161 |
| 93 | Water pollution | 103 | 3.8K | 266 | 344 |
| 94 | Informatics | 73 | 3.7K | 16 | 25 |
| 95 | Metals | 77 | 3.7K | 275 | 233 |
| 96 | Cytology | 54 | 3.6K | 926 | 815 |
| 97 | Nuclear Physics | 139 | 3.6K | 833 | 848 |
| 97 | catalytic activity | 103 | 3.6K | 6 | 15 |
| 99 | Environmental Policy | 78 | 3.6K | 402 | 451 |
| 100 | Mathematical Physics | 121 | 3.5K | 357 | 307 |
| 101 | Photonics | 64 | 3.5K | 324 | 279 |
| 102 | enzymes | 128 | 3.4K | 42 | 82 |
| 103 | Bioinformatics | 81 | 3.4K | 206 | 270 |
| 104 | energy resources | 36 | 3.3K | 217 | 167 |
| 105 | Metallurgy | 73 | 3.1K | 327 | 275 |
| 106 | Biophysics | 125 | 3.1K | 873 | 986 |
| 107 | nucleic acids | 26 | 3.1K | 522 | 376 |
| 108 | Information Science | 88 | 3.0K | 194 | 221 |
| 109 | Molecular structure | 130 | 3.0K | 105 | 245 |
| 110 | Surface-Active Agents | 67 | 2.9K | 27 | 35 |
| 110 | Surface properties | 67 | 2.9K | 29 | 38 |
| 112 | Energy Storage | 93 | 2.8K | 61 | 104 |
| 113 | Electronics | 114 | 2.8K | 432 | 445 |
| 114 | Nonlinear Dynamics | 25 | 2.8K | 751 | 299 |
| 115 | Solid State Chemistry | 99 | 2.7K | 275 | 228 |
| 116 | Engineering | 177 | 2.7K | 261 | 388 |
| 117 | biofuels | 30 | 2.7K | 19 | 13 |
| 118 | Microelectronics | 45 | 2.6K | 369 | 323 |
| 119 | Catalysts | 100 | 2.3K | 3 | 18 |
| 120 | genome | 22 | 2.3K | 432 | 338 |
| 121 | Environmental Toxicology | 61 | 2.3K | 263 | 351 |
| 122 | Organometallic compounds | 73 | 2.2K | 94 | 118 |
| 123 | Plastics | 106 | 2.2K | 58 | 112 |
| 124 | Heat Exchangers | 56 | 2.2K | 110 | 115 |
| 125 | Photochemistry | 63 | 2.2K | 114 | 129 |
| 126 | Photobiology | 60 | 2.2K | 40 | 54 |
| 127 | Microbial Biotechnology | 74 | 2.2K | 12 | 29 |
| 128 | Information Systems | 67 | 2.1K | 59 | 88 |
| 129 | Nervous system | 45 | 2.0K | 525 | 514 |
| 130 | Environmental pollutants | 59 | 2.0K | 240 | 295 |
| 131 | Mechanical Engineering | 94 | 1.9K | 245 | 213 |
| 132 | Glass | 100 | 1.9K | 65 | 144 |
| 133 | Metabolism | 28 | 1.9K | 764 | 645 |
| 134 | Fluid Mechanics | 63 | 1.9K | 192 | 193 |
| 135 | proteins | 68 | 1.9K | 241 | 324 |
| 136 | Crystal growth | 41 | 1.8K | 114 | 72 |
| 137 | Enzyme | 56 | 1.8K | 9 | 23 |
| 138 | Manufacturing Processes | 63 | 1.8K | 350 | 346 |
| 139 | Ceramics | 93 | 1.8K | 96 | 168 |
| 140 | supercritical fluids | 53 | 1.8K | 18 | 26 |
| 141 | Operations Research | 78 | 1.8K | 291 | 414 |
| 142 | Spectrum analysis | 97 | 1.8K | 754 | 1,059 |
| 143 | pottery | 84 | 1.8K | 76 | 150 |
| 144 | biocatalysis | 6 | 1.7K | 80 | 78 |
| 144 | Homogeneous catalysis | 6 | 1.7K | 80 | 78 |
| 144 | Heterogeneous catalysis | 6 | 1.7K | 80 | 78 |
| 147 | System analysis | 85 | 1.7K | 215 | 312 |
| 148 | Diagnostic microbiology | 8 | 1.7K | 611 | 313 |
| 149 | Process Control | 43 | 1.7K | 66 | 166 |
| 150 | Bioremediation | 55 | 1.7K | 12 | 19 |
| 151 | Chromatographic analysis | 159 | 1.7K | 36 | 130 |
| 152 | Telecommunication Systems | 52 | 1.7K | 147 | 83 |
| 153 | Solid State Physics | 71 | 1.6K | 932 | 896 |
| 154 | Parasitology | 35 | 1.6K | 551 | 318 |
| 155 | Genetic engineering | 57 | 1.6K | 265 | 431 |
| 156 | Electrophoresis | 137 | 1.6K | 32 | 179 |
| 156 | Biodegradation | 50 | 1.6K | 12 | 23 |
| 158 | Electrochemical Analysis | 61 | 1.6K | 164 | 189 |
| 159 | Chromatography | 145 | 1.6K | 24 | 114 |
| 160 | Light | 6 | 1.5K | 629 | 317 |
| 161 | Image Processing | 71 | 1.5K | 295 | 479 |
| 162 | Medical Microbiology | 10 | 1.5K | 1,078 | 584 |
| 163 | Histology | 50 | 1.5K | 318 | 366 |
| 164 | Optics | 90 | 1.5K | 814 | 842 |
| 164 | Organometallic chemistry | 81 | 1.5K | 130 | 155 |
| 166 | Energy Harvesting | 14 | 1.5K | 153 | 128 |
| 167 | Economics | 98 | 1.5K | 699 | 853 |
| 168 | Combinatorial chemistry | 23 | 1.5K | 154 | 139 |
| 169 | Chemical processes | 93 | 1.4K | 6 | 19 |
| 170 | Analytical Biochemistry | 80 | 1.4K | 82 | 232 |
| 171 | Cognitive Science | 64 | 1.3K | 140 | 342 |
| 172 | Hazardous waste | 29 | 1.3K | 98 | 157 |
| 173 | Condensed Matter | 37 | 1.3K | 1,054 | 917 |
| 174 | energy development | 13 | 1.3K | 239 | 213 |
| 175 | management | 40 | 1.3K | 906 | 1,044 |
| 176 | computer networks | 80 | 1.3K | 267 | 502 |
| 177 | Metabolic diseases | 6 | 1.2K | 1,285 | 684 |
| 177 | Production Management | 22 | 1.2K | 325 | 395 |
| 177 | rehabilitation | 20 | 1.2K | 695 | 440 |
| 180 | Cell metabolism | 8 | 1.2K | 317 | 292 |
| 181 | Nanochemistry | 61 | 1.2K | 53 | 64 |
| 182 | Homeostasis | 5 | 1.2K | 273 | 282 |
| 183 | Japan | 70 | 1.2K | 158 | 155 |
| 184 | Food additives | 17 | 1.2K | 333 | 216 |
| 185 | Synthetic biology | 41 | 1.2K | 23 | 30 |
| 186 | mathematical analysis | 63 | 1.2K | 503 | 360 |
| 186 | Immunity | 8 | 1.2K | 942 | 679 |
| 188 | radioactive waste | 22 | 1.2K | 108 | 165 |
| 188 | industrial waste | 22 | 1.2K | 124 | 166 |
| 190 | hydrocolloids | 15 | 1.2K | 203 | 180 |
| 191 | particles | 51 | 1.2K | 57 | 68 |
| 192 | Combustion | 40 | 1.1K | 247 | 253 |
| 193 | Business | 23 | 1.1K | 738 | 753 |
| 194 | Solar Energy | 30 | 1.1K | 329 | 397 |
| 195 | Production Engineering | 45 | 1.1K | 352 | 330 |
| 196 | pollutants | 33 | 1.1K | 353 | 435 |
| 197 | Systems Analysis | 52 | 1.1K | 68 | 99 |
| 197 | software | 13 | 1.1K | 377 | 139 |
| 199 | health planning | 57 | 1.0K | 248 | 333 |
| 200 | environmental exposure | 33 | 1.0K | 362 | 432 |
| 201 | biological factors | 31 | 1.0K | 405 | 405 |
| 202 | Nonlinear systems | 61 | 1.0K | 28 | 73 |
| 203 | Food | 38 | 988 | 745 | 957 |
| 204 | Robotics | 70 | 980 | 180 | 393 |
| 204 | Electromagnetism | 15 | 980 | 387 | 178 |
| 206 | finance | 54 | 974 | 435 | 589 |
| 207 | mass transfer | 42 | 972 | 341 | 480 |
| 208 | synthesis | 64 | 971 | 37 | 38 |
| 209 | International Finance | 37 | 962 | 313 | 383 |
| 210 | Building Materials | 21 | 954 | 651 | 674 |
| 211 | biopolymers | 56 | 950 | 162 | 287 |
| 212 | protein | 44 | 946 | 169 | 279 |
| 213 | food technology | 39 | 933 | 576 | 759 |
| 214 | Cell Biology | 38 | 923 | 1,045 | 1,455 |
| 215 | Luminescence | 46 | 920 | 134 | 123 |
| 216 | Bioinorganic chemistry | 33 | 917 | 340 | 319 |
| 216 | marketing | 25 | 917 | 609 | 642 |
| 216 | Biomass | 22 | 917 | 84 | 121 |
| 219 | Economic History | 49 | 912 | 673 | 705 |
| 219 | Cancer | 22 | 912 | 1,031 | 1,055 |
| 221 | Molecular Microbiology | 14 | 907 | 366 | 372 |
| 222 | plasticity | 14 | 888 | 117 | 117 |
| 223 | Parasitic Diseases | 18 | 878 | 683 | 478 |
| 224 | Soft Condensed Matter | 50 | 868 | 177 | 290 |
| 225 | Molecular Spectroscopy | 39 | 857 | 312 | 334 |
| 226 | Solitons | 32 | 853 | 156 | 163 |
| 226 | Fractals | 32 | 853 | 158 | 163 |
| 226 | Chaos | 32 | 853 | 156 | 163 |
| 229 | Asia | 38 | 844 | 482 | 411 |
| 230 | Recycling | 14 | 839 | 158 | 210 |
| 231 | Nutrition | 23 | 837 | 1,435 | 1,375 |
| 232 | Emulsions | 115 | 817 | 3 | 10 |
| 233 | Parasites | 17 | 815 | 550 | 330 |
| 234 | carbon monoxide | 23 | 802 | 10 | 38 |
| 235 | Immunology | 16 | 776 | 1,222 | 1,105 |
| 236 | Water quality management | 52 | 764 | 204 | 372 |
| 237 | drug toxicity | 18 | 762 | 43 | 25 |
| 238 | Pharmacognosy | 28 | 761 | 478 | 623 |
| 238 | Mechatronics | 21 | 761 | 208 | 182 |
| 240 | Medicinal plants | 28 | 755 | 261 | 423 |
| 241 | Thermodynamics | 71 | 752 | 59 | 133 |
| 242 | Drug design | 21 | 716 | 404 | 416 |
| 243 | Quantum Gravity | 35 | 711 | 818 | 905 |
| 244 | Fuzzy systems | 49 | 708 | 136 | 191 |
| 245 | natural products | 26 | 696 | 474 | 438 |
| 246 | Computer Graphics | 42 | 692 | 327 | 503 |
| 247 | Multimedia Systems | 52 | 677 | 193 | 371 |
| 248 | Environmental Microbiology | 38 | 672 | 208 | 567 |
| 249 | Microwaves | 3 | 666 | 1,249 | 332 |
| 250 | Epidemiology | 12 | 663 | 1,660 | 1,143 |
| 251 | Chromosome mapping | 13 | 661 | 725 | 634 |
| 251 | gene mapping | 13 | 661 | 793 | 722 |
| 253 | Sustainable Development | 17 | 657 | 665 | 703 |
| 254 | Thermochemistry | 53 | 642 | 36 | 95 |
| 255 | Behavior | 6 | 635 | 2,024 | 1,352 |
| 256 | Host-parasite interactions | 7 | 618 | 683 | 617 |
| 257 | human behavior | 5 | 602 | 1,774 | 1,177 |
| 258 | Neurology | 17 | 600 | 1,859 | 1,824 |
| 259 | Electrical Engineering | 30 | 595 | 1,048 | 808 |
| 260 | Allergy | 1 | 592 | 1,241 | 564 |
| 261 | Virulence | 8 | 589 | 583 | 597 |
| 262 | Hydrocarbons | 28 | 584 | 12 | 7 |
| 263 | Medical Physics | 16 | 583 | 640 | 600 |
| 264 | Molecular Pharmacology | 20 | 575 | 205 | 332 |
| 264 | Adaptive control systems | 53 | 575 | 24 | 67 |
| 266 | Environmental Law | 8 | 574 | 590 | 579 |
| 267 | Intelligent Transportation Systems | 16 | 573 | 380 | 447 |
| 268 | Technological Innovations | 20 | 570 | 207 | 298 |
| 269 | Functional Analysis | 22 | 566 | 443 | 337 |
| 270 | Genomics | 20 | 565 | 1,068 | 1,161 |
| 271 | Chemical kinetics | 51 | 545 | 22 | 49 |
| 272 | Nondestructive testing | 25 | 542 | 107 | 140 |
| 273 | Community Psychiatry | 7 | 537 | 533 | 333 |
| 274 | Social Change | 8 | 536 | 574 | 513 |
| 275 | Medical Technology | 14 | 535 | 579 | 467 |
| 276 | Pesticides | 24 | 533 | 97 | 96 |
| 277 | Ultrasonics | 25 | 529 | 274 | 463 |
| 278 | Cheminformatics | 21 | 525 | 14 | 133 |
| 279 | Economic Development | 7 | 524 | 964 | 673 |
| 280 | Nonlinear functional analysis | 24 | 522 | 269 | 253 |
| 281 | Fluid Dynamics | 20 | 507 | 354 | 379 |
| 282 | soil microbiology | 29 | 505 | 381 | 819 |
| 282 | Measurement | 38 | 505 | 195 | 359 |
| 284 | sustainability | 5 | 498 | 631 | 403 |
| 285 | Immunotherapy | 10 | 483 | 850 | 803 |
| 285 | Immunopharmacology | 9 | 483 | 528 | 334 |
| 285 | cytokines | 9 | 483 | 588 | 477 |
| 288 | Physiology | 11 | 481 | 2,020 | 1,723 |
| 289 | Tribology | 32 | 478 | 213 | 373 |
| 290 | United States | 24 | 475 | 1,708 | 1,800 |
| 291 | Ceramic materials | 27 | 473 | 297 | 439 |
| 292 | Social work | 28 | 470 | 381 | 403 |
| 293 | Plant physiology | 8 | 464 | 1,310 | 1,121 |
| 294 | Gene expression regulation | 26 | 461 | 171 | 387 |
| 294 | Genetic regulation | 26 | 461 | 245 | 517 |
| 296 | Drug delivery systems | 30 | 460 | 305 | 747 |
| 296 | Ultrasound | 21 | 460 | 196 | 234 |
| 298 | Dynamics | 25 | 459 | 433 | 413 |
| 298 | Semiconductors | 24 | 459 | 649 | 638 |
| 300 | Information Technology | 37 | 458 | 430 | 959 |
| 301 | Petroleum Engineering | 20 | 456 | 195 | 225 |
| 301 | Ultrasonic Imaging | 20 | 456 | 98 | 116 |
| 303 | Molecules | 31 | 455 | 436 | 546 |
| 304 | Psychology | 21 | 452 | 1,812 | 1,792 |
| 305 | economic policy | 31 | 450 | 617 | 691 |
| 306 | Detectors | 31 | 431 | 304 | 513 |
| 307 | Waste management | 42 | 424 | 168 | 401 |
| 308 | Granular materials | 12 | 422 | 158 | 141 |
| 309 | disease vectors | 10 | 417 | 442 | 337 |
| 310 | Calorimetry | 28 | 414 | 200 | 293 |
| 310 | Thermal analysis | 28 | 414 | 200 | 293 |
| 312 | Neurochemistry | 14 | 409 | 1,048 | 1,096 |
| 313 | Quality Control | 8 | 403 | 963 | 660 |
| 314 | Biodiversity | 23 | 393 | 665 | 993 |
| 315 | Water Purification | 39 | 392 | 127 | 333 |
| 316 | Bacterial infections | 3 | 388 | 715 | 463 |
| 316 | carcinogens | 9 | 388 | 450 | 442 |
| 318 | Biological Systems | 9 | 386 | 199 | 150 |
| 319 | Social Sciences | 23 | 375 | 1,129 | 1,195 |
| 320 | Cell death | 8 | 374 | 652 | 713 |
| 321 | Numerical Analysis | 44 | 370 | 488 | 850 |
| 322 | Engineering Mathematics | 33 | 360 | 404 | 637 |
| 322 | internet | 18 | 360 | 532 | 743 |
| 324 | Mental Disorders | 5 | 355 | 1,889 | 1,345 |
| 325 | Evolutionary Computation | 17 | 352 | 95 | 303 |
| 326 | Adsorption | 11 | 350 | 41 | 43 |
| 327 | drug evaluation | 18 | 348 | 384 | 510 |
| 328 | Psychiatric Epidemiology | 4 | 347 | 370 | 243 |
| 328 | Mental illness | 4 | 347 | 1,393 | 1,014 |
| 328 | Developing countries | 8 | 347 | 1,353 | 983 |
| 331 | telemarketing | 3 | 346 | 85 | 47 |
| 332 | Enzyme inhibitors | 12 | 338 | 90 | 115 |
| 333 | Systems Biology | 21 | 336 | 455 | 686 |
| 334 | Hydrology | 15 | 333 | 1,055 | 1,174 |
| 335 | Genetics | 17 | 330 | 1,374 | 1,860 |
| 336 | Investment analysis | 20 | 328 | 150 | 322 |
| 337 | mycoses | 2 | 325 | 870 | 516 |
| 338 | Internet of Things | 19 | 323 | 343 | 628 |
| 338 | Geochemistry | 4 | 323 | 1,584 | 1,070 |
| 340 | Computer Science | 32 | 322 | 398 | 691 |
| 341 | Psychiatry | 7 | 319 | 2,378 | 1,907 |
| 341 | Metallography | 18 | 319 | 227 | 333 |
| 343 | food handling | 8 | 318 | 454 | 469 |
| 344 | Business Ethics | 7 | 317 | 636 | 789 |
| 345 | solar power | 12 | 316 | 285 | 467 |
| 345 | solar cells | 12 | 316 | 325 | 505 |
| 347 | Nanobiotechnology | 9 | 313 | 142 | 284 |
| 348 | Public Health | 8 | 311 | 2,976 | 2,451 |
| 349 | Cellulose | 11 | 307 | 207 | 282 |
| 349 | Meteorites | 2 | 307 | 891 | 638 |
| 351 | Botany | 15 | 305 | 1,760 | 2,084 |
| 352 | Yeast | 12 | 304 | 130 | 218 |
| 353 | optical devices | 15 | 303 | 105 | 125 |
| 354 | Porous materials | 22 | 302 | 105 | 181 |
| 355 | Vaccines | 15 | 300 | 631 | 786 |
| 356 | Mechanics | 53 | 299 | 134 | 484 |
| 357 | Bacterial diseases | 3 | 296 | 259 | 89 |
| 358 | Proteomics | 9 | 295 | 545 | 620 |
| 359 | drugs | 17 | 293 | 734 | 979 |
| 360 | Proteome | 7 | 291 | 688 | 672 |
| 361 | Calculus of Variations | 8 | 290 | 306 | 165 |
| 361 | Cardiovascular system | 3 | 290 | 1,079 | 1,032 |
| 363 | Signal Transduction | 5 | 289 | 996 | 903 |
| 363 | Industrial Safety | 8 | 289 | 642 | 513 |
| 365 | vibration | 15 | 288 | 452 | 594 |
| 366 | Herbal medicine | 8 | 287 | 329 | 384 |
| 366 | Securities | 7 | 287 | 118 | 120 |
| 368 | stocks | 5 | 282 | 46 | 41 |
| 369 | starch | 17 | 278 | 64 | 110 |
| 370 | Aquaculture | 20 | 275 | 488 | 743 |
| 371 | Transportation | 11 | 269 | 830 | 894 |
| 372 | Sociology | 22 | 268 | 1,002 | 1,459 |
| 373 | clay | 8 | 264 | 433 | 522 |
| 374 | Insects | 13 | 263 | 615 | 650 |
| 375 | Biopharmaceutics | 9 | 260 | 536 | 651 |
| 376 | Rheology | 3 | 259 | 569 | 259 |
| 377 | Pharmacy | 19 | 258 | 741 | 1,121 |
| 377 | commerce | 15 | 258 | 571 | 833 |
| 379 | Computer-Aided Design | 13 | 256 | 491 | 575 |
| 380 | econometric models | 13 | 255 | 139 | 277 |
| 381 | micromechanics | 15 | 254 | 190 | 302 |
| 381 | Mineral resources | 8 | 254 | 259 | 368 |
| 383 | Developmental Immunology | 11 | 252 | 206 | 358 |
| 384 | environmental indicators | 5 | 251 | 893 | 829 |
| 385 | Hypertension | 3 | 249 | 1,140 | 1,041 |
| 386 | Combinatorial optimization | 35 | 247 | 16 | 70 |
| 387 | Human genetics | 1 | 244 | 2,000 | 1,642 |
| 387 | Computational Intelligence | 16 | 244 | 140 | 248 |
| 387 | Quantum theory | 5 | 244 | 825 | 492 |
| 390 | isomerism | 20 | 243 | 38 | 94 |
| 390 | Chirality | 20 | 243 | 38 | 94 |
| 392 | Plant cells | 2 | 240 | 1,092 | 1,010 |
| 393 | Scheduling | 10 | 237 | 29 | 47 |
| 393 | Production Scheduling | 10 | 237 | 29 | 47 |
| 395 | Medical innovations | 6 | 236 | 559 | 824 |
| 396 | Cell differentiation | 12 | 234 | 696 | 1,077 |
| 397 | Geophysics | 6 | 232 | 2,314 | 1,964 |
| 398 | peptides | 15 | 231 | 194 | 280 |
| 399 | Wireless Communication Systems | 17 | 229 | 1,018 | 1,293 |
| 399 | pharmaceutical industry | 5 | 229 | 410 | 208 |
| 401 | Materials Engineering | 23 | 223 | 83 | 213 |
| 402 | Transnational corporations | 5 | 221 | 223 | 169 |
| 403 | Biogeochemistry | 7 | 220 | 677 | 815 |
| 404 | Money | 8 | 219 | 113 | 204 |
| 405 | free radicals | 11 | 218 | 650 | 1,053 |
| 406 | ecosystem | 6 | 217 | 891 | 959 |
| 407 | Cell cycle | 11 | 208 | 81 | 146 |
| 407 | cell proliferation | 11 | 208 | 88 | 157 |
| 409 | Liquid Crystals | 22 | 207 | 252 | 262 |
| 409 | Adhesion | 13 | 207 | 184 | 296 |
| 409 | adhesives | 13 | 207 | 198 | 300 |
| 412 | electric vehicles | 3 | 205 | 305 | 187 |
| 412 | dietary supplements | 7 | 205 | 446 | 522 |
| 412 | plant communities | 1 | 205 | 1,463 | 861 |
| 415 | Genetic algorithms | 8 | 202 | 151 | 334 |
| 415 | Entomology | 12 | 202 | 1,163 | 1,125 |
| 417 | Computer Vision | 11 | 201 | 542 | 822 |
| 418 | Atmospheric Chemistry | 5 | 200 | 655 | 743 |
| 419 | food contamination | 16 | 198 | 245 | 466 |
| 420 | Raman spectroscopy | 11 | 196 | 313 | 453 |
| 421 | Software Engineering | 9 | 191 | 556 | 603 |
| 422 | Remote Sensing | 4 | 190 | 1,319 | 729 |
| 422 | Aging | 12 | 190 | 1,195 | 1,471 |
| 424 | Atmospheric Physics | 4 | 188 | 1,244 | 1,081 |
| 425 | Food service management | 1 | 187 | 791 | 431 |
| 426 | Structural dynamics | 12 | 186 | 452 | 761 |
| 427 | cell physiology | 8 | 185 | 811 | 1,117 |
| 427 | Plants | 4 | 185 | 1,751 | 1,445 |
| 429 | Australia | 11 | 183 | 854 | 940 |
| 430 | Computational Chemistry | 7 | 181 | 413 | 474 |
| 430 | Logistics | 7 | 181 | 318 | 452 |
| 430 | Social Psychology | 10 | 181 | 1,167 | 1,491 |
| 430 | Combinatorial analysis | 13 | 181 | 460 | 396 |
| 434 | Diet | 3 | 180 | 1,721 | 1,577 |
| 435 | concrete | 2 | 178 | 1,082 | 868 |
| 436 | Econometrics | 12 | 176 | 670 | 752 |
| 437 | Radio | 2 | 173 | 1,531 | 998 |
| 438 | Microfabrication | 5 | 170 | 229 | 172 |
| 438 | Multiphase Flow | 12 | 170 | 139 | 280 |
| 438 | Mass Spectrometry | 18 | 170 | 406 | 713 |
| 441 | Stem cells | 8 | 169 | 750 | 960 |
| 442 | Textile industry | 5 | 166 | 356 | 193 |
| 443 | Meteorology | 2 | 163 | 2,214 | 1,661 |
| 443 | atmosphere | 2 | 163 | 927 | 574 |
| 445 | Cement | 1 | 162 | 874 | 611 |
| 446 | Microorganisms | 5 | 161 | 749 | 921 |
| 446 | city planning | 8 | 161 | 935 | 1,059 |
| 448 | Medical Oncology | 4 | 159 | 1,163 | 1,104 |
| 448 | Gerontology | 19 | 159 | 647 | 1,047 |
| 450 | Geometry | 11 | 158 | 623 | 459 |
| 451 | Graph Theory | 13 | 157 | 290 | 298 |
| 451 | United Kingdom | 5 | 157 | 1,031 | 1,025 |
| 453 | Oncogenes | 6 | 156 | 666 | 971 |
| 454 | Decision making | 8 | 155 | 822 | 1,002 |
| 455 | Statistical Mechanics | 7 | 152 | 419 | 370 |
| 456 | Nanomedicine | 6 | 151 | 84 | 195 |
| 456 | Gene library | 4 | 151 | 57 | 71 |
| 458 | Swarm Intelligence | 9 | 150 | 79 | 235 |
| 458 | Genetic therapy | 9 | 150 | 527 | 792 |
| 460 | arthritis | 1 | 149 | 1,243 | 881 |
| 460 | lasers | 15 | 149 | 969 | 1,361 |
| 462 | Neurons | 1 | 147 | 759 | 851 |
| 463 | Carcinogenesis | 2 | 146 | 991 | 776 |
| 463 | plasma spraying | 9 | 146 | 88 | 140 |
| 463 | mutagens | 2 | 146 | 763 | 660 |
| 466 | Soil Science | 6 | 143 | 1,314 | 1,475 |
| 466 | Psychophysiology | 5 | 143 | 1,920 | 1,951 |
| 468 | Virology | 6 | 141 | 1,702 | 2,120 |
| 468 | Edible plants | 1 | 141 | 495 | 162 |
| 470 | Oxidation-reduction | 5 | 140 | 563 | 870 |
| 471 | Pediatrics | 2 | 139 | 2,180 | 1,605 |
| 471 | Fishery management | 4 | 139 | 707 | 539 |
| 473 | Entropy | 15 | 136 | 342 | 654 |
| 474 | Molecular evolution | 10 | 134 | 718 | 1,316 |
| 475 | economic forecasting | 1 | 132 | 599 | 268 |
| 475 | Forecasting | 1 | 132 | 962 | 383 |
| 477 | Nanoelectronics | 8 | 130 | 435 | 412 |
| 477 | analysis | 2 | 130 | 429 | 333 |
| 479 | Emerging infectious diseases | 5 | 129 | 184 | 272 |
| 480 | Geriatrics | 16 | 128 | 1,113 | 1,840 |
| 480 | Antioxidants | 3 | 128 | 696 | 794 |
| 480 | economic analysis | 7 | 128 | 101 | 168 |
| 483 | Solutions | 17 | 126 | 61 | 217 |
| 484 | Tourism | 6 | 125 | 1,173 | 1,544 |
| 484 | Ocean Engineering | 12 | 125 | 857 | 1,357 |
| 484 | Mitochondria | 1 | 125 | 510 | 248 |
| 484 | toxicity testing | 8 | 125 | 257 | 482 |
| 488 | Job satisfaction | 1 | 124 | 227 | 179 |
| 488 | Computational Complexity | 16 | 124 | 292 | 579 |
| 488 | Work | 1 | 124 | 613 | 256 |
| 488 | job stress | 1 | 124 | 227 | 179 |
| 488 | Heterocyclic compounds | 16 | 124 | 313 | 493 |
| 488 | gastrointestinal tract | 4 | 124 | 252 | 425 |
| 494 | Health | 4 | 123 | 1,707 | 1,492 |
| 495 | Structural Engineering | 12 | 122 | 797 | 1,194 |
| 495 | Smart Materials | 9 | 122 | 486 | 710 |
| 495 | multimedia | 6 | 122 | 324 | 490 |
| 495 | Interactive multimedia | 6 | 122 | 358 | 523 |
| 499 | Cognitive neuroscience | 12 | 121 | 465 | 901 |
| 499 | Neuroplasticity | 12 | 121 | 36 | 244 |
| 499 | human development | 12 | 121 | 342 | 730 |
| 499 | textile fibers | 12 | 121 | 134 | 196 |
| 503 | Urban Policy | 6 | 118 | 550 | 769 |
| 503 | Human-Computer Interaction | 6 | 118 | 1,057 | 1,274 |
| 505 | Marine Biology | 6 | 117 | 1,746 | 1,996 |
| 505 | Earth Sciences | 9 | 117 | 1,919 | 2,386 |
| 505 | color | 4 | 117 | 186 | 137 |
| 508 | Crystallography | 8 | 116 | 1,059 | 780 |
| 508 | Telecommunication | 14 | 116 | 1,241 | 1,914 |
| 510 | Differential Equations | 12 | 115 | 499 | 706 |
| 511 | Ergonomics | 6 | 114 | 639 | 674 |
| 511 | infection | 7 | 114 | 909 | 1,273 |
| 513 | food industry | 10 | 113 | 275 | 502 |
| 514 | Public Policy | 8 | 112 | 999 | 1,479 |
| 515 | Biotransformation | 10 | 111 | 15 | 46 |
| 515 | Carbohydrate | 2 | 111 | 47 | 73 |
| 515 | Carbohydrates | 2 | 111 | 519 | 398 |
| 515 | Steroids | 7 | 111 | 551 | 755 |
| 519 | Nuclear Fusion | 8 | 110 | 317 | 373 |
| 519 | Regeneration | 3 | 110 | 70 | 42 |
| 521 | Tissue Engineering | 3 | 109 | 344 | 317 |
| 522 | Microbial Metabolism | 3 | 108 | 154 | 214 |
| 522 | Liver diseases | 2 | 108 | 1,187 | 1,155 |
| 524 | X-ray crystallography | 1 | 107 | 755 | 338 |
| 525 | Bioenergetics | 6 | 106 | 550 | 830 |
| 526 | Database Management | 4 | 105 | 650 | 652 |
| 526 | Alzheimer's disease | 3 | 105 | 1,201 | 839 |
| 526 | Atomic spectroscopy | 10 | 105 | 604 | 855 |
| 529 | Food Microbiology | 5 | 104 | 907 | 1,365 |
| 529 | Industry | 2 | 104 | 255 | 382 |
| 531 | Bone diseases | 2 | 103 | 552 | 502 |
| 531 | Microscopy | 3 | 103 | 1,392 | 959 |
| 533 | Industrial Design | 7 | 102 | 127 | 257 |
| 533 | Communication | 10 | 102 | 1,103 | 1,655 |
| 535 | Corporate Social Responsibility | 4 | 101 | 209 | 482 |
| 535 | environmental auditing | 4 | 101 | 221 | 484 |
| 537 | Land use | 3 | 99 | 1,142 | 1,173 |
| 538 | Structural design | 7 | 97 | 519 | 715 |
| 539 | Green Technology | 4 | 96 | 285 | 362 |
| 539 | East Asia | 7 | 96 | 313 | 340 |
| 539 | bioluminescence | 7 | 96 | 149 | 176 |
| 539 | Nonlinear mechanics | 10 | 96 | 160 | 362 |
| 543 | Consumer education | 2 | 95 | 491 | 427 |
| 544 | Kinetics | 13 | 94 | 122 | 375 |
| 544 | infrared radiation | 8 | 94 | 296 | 378 |
| 544 | child abuse | 4 | 94 | 662 | 827 |
| 547 | Astronomy | 4 | 93 | 2,115 | 2,144 |
| 547 | Simulation Methods | 3 | 93 | 1,037 | 840 |
| 547 | antibiotics | 7 | 93 | 76 | 192 |
| 550 | Bacteriology | 4 | 92 | 1,434 | 1,739 |
| 550 | Cognition | 6 | 92 | 1,177 | 1,461 |
| 552 | Education | 9 | 91 | 2,120 | 2,496 |
| 552 | Water quality | 5 | 91 | 106 | 166 |
| 552 | Social policy | 10 | 91 | 498 | 788 |
| 552 | international trade | 6 | 91 | 463 | 594 |
| 552 | Water chemistry | 5 | 91 | 169 | 255 |
| 552 | Insect biochemistry | 5 | 91 | 308 | 489 |
| 558 | Adolescent | 7 | 90 | 1,257 | 1,667 |
| 559 | Cytogenetics | 2 | 89 | 1,342 | 1,276 |
| 559 | Databases | 1 | 89 | 587 | 343 |
| 559 | Taste | 3 | 89 | 292 | 281 |
| 559 | flavor | 3 | 89 | 175 | 204 |
| 559 | smell | 3 | 89 | 292 | 281 |
| 559 | Arthropods | 4 | 89 | 169 | 145 |
| 565 | Drug targeting | 5 | 88 | 173 | 418 |
| 565 | Medical Anthropology | 1 | 88 | 1,723 | 1,339 |
| 565 | gene therapy | 8 | 88 | 534 | 938 |
| 568 | Developmental Genetics | 1 | 87 | 655 | 598 |
| 568 | Human Resources | 2 | 87 | 621 | 660 |
| 568 | viral genetics | 1 | 87 | 406 | 480 |
| 571 | Pathology | 4 | 86 | 1,386 | 1,628 |
| 571 | Visual Communication | 7 | 86 | 191 | 329 |
| 571 | Genetic translocation | 4 | 86 | 149 | 217 |
| 571 | Image enhancement | 7 | 86 | 141 | 302 |
| 571 | Monomers | 8 | 86 | 16 | 39 |
| 571 | plasmids | 4 | 86 | 149 | 217 |
| 577 | Diagnostic Imaging | 11 | 85 | 842 | 1,436 |
| 577 | Quantum Optics | 9 | 85 | 495 | 713 |
| 577 | Laser Spectroscopy | 9 | 85 | 436 | 671 |
| 580 | Regional Planning | 4 | 84 | 1,252 | 1,309 |
| 580 | Oxidative stress | 6 | 84 | 541 | 1,227 |
| 580 | Lightweight Materials | 2 | 84 | 37 | 26 |
| 580 | Fluorescence | 4 | 84 | 371 | 340 |
| 580 | Agriculture | 10 | 84 | 1,058 | 1,895 |
| 585 | Neurophysiology | 6 | 83 | 1,789 | 2,369 |
| 585 | Molecular cloning | 7 | 83 | 880 | 1,296 |
| 585 | Genetic recombination | 7 | 83 | 868 | 1,282 |
| 585 | Intelligent Control Systems | 17 | 83 | 287 | 710 |
| 585 | Recombinant DNA | 7 | 83 | 938 | 1,339 |
| 590 | Oncology | 4 | 82 | 1,539 | 2,102 |
| 590 | Human Geography | 5 | 82 | 819 | 906 |
| 590 | Biomolecules | 6 | 82 | 255 | 603 |
| 593 | Infrared spectroscopy | 5 | 81 | 174 | 299 |
| 594 | Clinical Biochemistry | 2 | 79 | 1,214 | 994 |
| 594 | Liquid chromatography | 8 | 79 | 223 | 276 |
| 596 | Child welfare | 5 | 78 | 841 | 982 |
| 596 | Capital market | 8 | 78 | 183 | 514 |
| 598 | Statistics | 9 | 77 | 1,554 | 1,819 |
| 599 | Food Safety | 4 | 76 | 184 | 246 |
| 599 | Quantitative Research | 1 | 76 | 375 | 283 |
| 599 | Semiconductor industry | 3 | 76 | 563 | 462 |
| 602 | Marine Biotechnology | 4 | 75 | 156 | 307 |
| 602 | Pharmacokinetics | 4 | 75 | 671 | 962 |
| 602 | Immunopathology | 1 | 75 | 1,372 | 1,075 |
| 602 | Diabetes mellitus | 2 | 75 | 1,806 | 1,772 |
| 602 | Immunochemistry | 6 | 75 | 647 | 886 |
| 602 | Methodology | 9 | 75 | 177 | 399 |
| 602 | Methods | 9 | 75 | 29 | 64 |
| 602 | Diabetes | 2 | 75 | 1,856 | 1,806 |
| 602 | Soil ecology | 2 | 75 | 937 | 958 |
| 611 | immunoassay | 5 | 74 | 111 | 109 |
| 612 | Clinical Psychology | 2 | 73 | 1,285 | 1,194 |
| 612 | Community Psychology | 2 | 73 | 660 | 569 |
| 614 | Evolutionary Genetics | 4 | 72 | 546 | 748 |
| 614 | Molecular Epidemiology | 4 | 72 | 546 | 748 |
| 614 | Soil biology | 1 | 72 | 1,254 | 1,145 |
| 617 | Greenhouse gases | 3 | 71 | 274 | 424 |
| 617 | Sales management | 2 | 71 | 308 | 445 |
| 617 | selling | 2 | 71 | 308 | 445 |
| 620 | Operator theory | 8 | 70 | 196 | 219 |
| 620 | Fermentation | 3 | 70 | 220 | 226 |
| 620 | Chemical structure | 7 | 70 | 227 | 333 |
| 623 | Strategic planning | 5 | 69 | 576 | 865 |
| 623 | Sonochemistry | 4 | 69 | 538 | 1,076 |
| 623 | North America | 4 | 69 | 714 | 720 |
| 623 | population geography | 3 | 69 | 392 | 447 |
| 627 | Algebra | 9 | 68 | 956 | 955 |
| 627 | hazard mitigation | 3 | 68 | 980 | 1,132 |
| 627 | natural disasters | 3 | 68 | 1,325 | 1,515 |
| 630 | Financial Engineering | 3 | 67 | 112 | 211 |
| 630 | Water Microbiology | 1 | 67 | 891 | 561 |
| 632 | impact | 1 | 66 | 499 | 430 |
| 633 | Food Preservation | 8 | 65 | 412 | 733 |
| 633 | probabilities | 6 | 65 | 982 | 962 |
| 635 | Geography | 4 | 63 | 1,714 | 1,965 |
| 635 | Hematology | 5 | 63 | 1,260 | 1,711 |
| 635 | Knowledge management | 2 | 63 | 595 | 341 |
| 635 | Bacteria | 1 | 63 | 548 | 540 |
| 639 | Information Theory | 6 | 62 | 1,014 | 1,351 |
| 639 | Data Mining | 6 | 62 | 678 | 1,152 |
| 639 | Cell survival | 3 | 62 | 185 | 321 |
| 639 | Development | 2 | 62 | 955 | 1,029 |
| 639 | natural gas | 3 | 62 | 350 | 480 |
| 639 | Economic Assistance | 2 | 62 | 838 | 951 |
| 639 | world | 2 | 62 | 850 | 1,042 |
| 639 | molecular chaperones | 3 | 62 | 221 | 323 |
| 647 | Humanities | 9 | 61 | 968 | 1,483 |
| 647 | Evidence-Based Medicine | 3 | 61 | 680 | 856 |
| 649 | Systems Theory | 2 | 60 | 548 | 264 |
| 649 | Heterocyclic chemistry | 6 | 60 | 301 | 362 |
| 649 | Chemical reactors | 17 | 60 | 13 | 62 |
| 652 | Radiopharmaceuticals | 5 | 58 | 194 | 192 |
| 652 | Radioisotopes | 5 | 58 | 802 | 910 |
| 652 | mathematical concepts | 3 | 58 | 405 | 348 |
| 655 | Schizophrenia | 1 | 57 | 1,217 | 1,083 |
| 655 | Europe | 8 | 57 | 1,744 | 2,531 |
| 657 | Protozoa | 2 | 55 | 517 | 537 |
| 657 | Hormones | 4 | 55 | 957 | 1,322 |
| 657 | Eastern Europe | 5 | 55 | 611 | 650 |
| 657 | International Business | 4 | 55 | 89 | 187 |
| 657 | Safety management | 4 | 55 | 477 | 578 |
| 662 | Stochastic Processes | 2 | 54 | 1,157 | 916 |
| 662 | drug resistance | 3 | 54 | 684 | 945 |
| 662 | complementary therapies | 3 | 54 | 1,660 | 1,946 |
| 662 | Semantic web | 2 | 54 | 119 | 142 |
| 662 | Autonomous robots | 1 | 54 | 330 | 290 |
| 667 | Health Information Management | 1 | 53 | 663 | 853 |
| 667 | Environmental Geochemistry | 3 | 53 | 570 | 782 |
| 667 | Communication in marketing | 2 | 53 | 204 | 233 |
| 667 | older people | 9 | 53 | 849 | 1,301 |
| 667 | Roads | 2 | 53 | 766 | 586 |
| 667 | Minerals | 3 | 53 | 807 | 1,030 |
| 673 | Mineralogy | 4 | 52 | 1,104 | 1,316 |
| 673 | Oxidation | 3 | 52 | 145 | 200 |
| 675 | Alternative Medicine | 2 | 51 | 1,807 | 1,904 |
| 675 | Industrial Policy | 4 | 51 | 428 | 610 |
| 675 | extraterrestrial environment | 4 | 51 | 476 | 625 |
| 675 | astronomical phenomena | 4 | 51 | 425 | 578 |
| 679 | Structural health monitoring | 4 | 50 | 168 | 344 |
| 679 | Biomechanics | 4 | 50 | 1,080 | 1,469 |
| 679 | Metallic Glasses | 3 | 50 | 439 | 560 |
| 679 | Radiation | 3 | 50 | 2,054 | 2,038 |
| 679 | structural stability | 4 | 50 | 275 | 498 |
| 679 | planning | 2 | 50 | 987 | 893 |
| 679 | Economic planning | 2 | 50 | 674 | 734 |
| 686 | Computer Architecture | 4 | 49 | 466 | 514 |
| 686 | Regenerative Medicine | 2 | 49 | 186 | 168 |
| 686 | Telemedicine | 3 | 49 | 303 | 494 |
| 686 | Inflammation | 2 | 49 | 1,190 | 1,456 |
| 686 | Turbulence | 2 | 49 | 307 | 269 |
| 686 | machinery | 4 | 49 | 695 | 902 |
| 692 | Quantum Communication | 2 | 48 | 228 | 294 |
| 693 | Quality of life | 7 | 47 | 877 | 1,887 |
| 694 | global environmental change | 2 | 46 | 972 | 1,256 |
| 694 | innovation | 3 | 46 | 634 | 1,002 |
| 694 | research and development | 3 | 46 | 311 | 537 |
| 697 | Traffic Engineering | 1 | 45 | 740 | 654 |
| 697 | Active Learning | 1 | 45 | 173 | 163 |
| 697 | Electronic Packaging | 3 | 45 | 215 | 259 |
| 697 | Thin Films | 8 | 45 | 235 | 557 |
| 697 | Microprocessors | 3 | 45 | 623 | 698 |
| 697 | Aerosols | 1 | 45 | 835 | 650 |
| 703 | Polymer Engineering | 6 | 44 | 33 | 124 |
| 703 | Hemodynamics | 1 | 44 | 829 | 914 |
| 703 | plant molecular biology | 2 | 44 | 1,610 | 2,063 |
| 706 | Planets | 1 | 43 | 1,785 | 1,788 |
| 706 | scientific societies | 1 | 43 | 1,160 | 918 |
| 708 | Imaging systems | 16 | 42 | 161 | 781 |
| 708 | Nanotubes | 4 | 42 | 137 | 174 |
| 710 | Financial management | 1 | 41 | 844 | 804 |
| 710 | Asymmetric synthesis | 1 | 41 | 274 | 113 |
| 710 | heredity | 3 | 41 | 615 | 778 |
| 713 | Educational Technology | 2 | 40 | 1,994 | 2,115 |
| 713 | Sedimentology | 1 | 40 | 1,017 | 891 |
| 713 | Nuclear Chemistry | 5 | 40 | 843 | 1,053 |
| 713 | Veterinary Immunology | 2 | 40 | 398 | 470 |
| 713 | Radiochemistry | 5 | 40 | 759 | 961 |
| 713 | consumer behavior | 3 | 40 | 565 | 956 |
| 713 | Mental Health Services | 3 | 40 | 1,077 | 1,441 |
| 713 | Genes | 3 | 40 | 1,053 | 1,380 |
| 721 | Medical genetics | 1 | 39 | 2,435 | 2,486 |
| 721 | Marine Pollution | 1 | 39 | 1,814 | 1,787 |
| 721 | Family | 3 | 39 | 950 | 1,197 |
| 721 | families | 3 | 39 | 876 | 986 |
| 725 | Ophthalmology | 1 | 38 | 1,938 | 1,764 |
| 725 | Nuclear Engineering | 8 | 38 | 903 | 1,435 |
| 725 | Quantum Chemistry | 1 | 38 | 339 | 259 |
| 725 | Diagnosis | 3 | 38 | 373 | 532 |
| 725 | Muscle contraction | 5 | 38 | 211 | 239 |
| 730 | Serology | 2 | 37 | 627 | 779 |
| 730 | Mutagenesis | 3 | 37 | 417 | 642 |
| 730 | teratogenic agents | 3 | 37 | 202 | 323 |
| 730 | Spectroscopy | 3 | 37 | 173 | 81 |
| 730 | foreign exchange | 3 | 37 | 358 | 586 |
| 730 | Africa | 1 | 37 | 2,389 | 1,506 |
| 736 | Radiology | 1 | 36 | 1,738 | 1,316 |
| 736 | Land Use Planning | 1 | 36 | 636 | 651 |
| 736 | cosmic rays | 1 | 36 | 698 | 518 |
| 736 | Supramolecular chemistry | 3 | 36 | 237 | 282 |
| 736 | Continuum Mechanics | 9 | 36 | 61 | 234 |
| 736 | Screening | 1 | 36 | 374 | 306 |
| 736 | cell membrane | 1 | 36 | 758 | 778 |
| 743 | Occupational Therapy | 1 | 35 | 1,594 | 947 |
| 743 | Cloud Computing | 1 | 35 | 650 | 635 |
| 743 | Occupational Health | 1 | 35 | 1,696 | 1,234 |
| 743 | industrial hygiene | 1 | 35 | 1,704 | 1,072 |
| 743 | Matroids | 1 | 35 | 406 | 324 |
| 743 | gene transfer | 1 | 35 | 461 | 425 |
| 743 | genetic transformation | 1 | 35 | 461 | 425 |
| 750 | Hematopoietic stem cell transplantation | 2 | 34 | 494 | 704 |
| 750 | Drying | 2 | 34 | 484 | 600 |
| 750 | Brain | 3 | 34 | 2,096 | 2,784 |
| 750 | Vocational guidance | 2 | 34 | 1,066 | 1,260 |
| 750 | Lipids | 2 | 34 | 1,402 | 1,729 |
| 750 | Structure-activity relationship | 1 | 34 | 500 | 419 |
| 756 | Genetic epidemiology | 1 | 33 | 371 | 383 |
| 756 | Sulfur | 3 | 33 | 105 | 115 |
| 758 | Phytochemistry | 2 | 32 | 402 | 620 |
| 758 | Geriatric Psychiatry | 2 | 32 | 1,055 | 1,302 |
| 758 | Mental Health | 2 | 32 | 1,807 | 1,945 |
| 758 | Natural resources | 4 | 32 | 632 | 1,161 |
| 758 | Phytoremediation | 2 | 32 | 402 | 620 |
| 758 | environmental remediation | 2 | 32 | 485 | 698 |
| 758 | Bioreactors | 2 | 32 | 402 | 620 |
| 758 | Happiness | 3 | 32 | 441 | 885 |
| 758 | visualization | 6 | 32 | 953 | 1,142 |
| 767 | Neurobiology | 1 | 31 | 1,921 | 2,008 |
| 767 | Genetic Toxicology | 4 | 31 | 331 | 866 |
| 767 | Chromosomes | 4 | 31 | 737 | 1,308 |
| 767 | Capitalism | 3 | 31 | 167 | 287 |
| 771 | Computer Engineering | 4 | 30 | 830 | 1,395 |
| 771 | Institutional Economics | 2 | 30 | 85 | 50 |
| 771 | Elderly | 7 | 30 | 753 | 1,068 |
| 771 | Middle East | 2 | 30 | 1,296 | 1,137 |
| 771 | North Africa | 2 | 30 | 239 | 104 |
| 776 | Semantics | 1 | 29 | 431 | 312 |
| 776 | industrial relations | 1 | 29 | 1,340 | 1,133 |
| 778 | Astrophysics | 5 | 28 | 2,278 | 3,061 |
| 778 | Total Quality Management | 1 | 28 | 1,109 | 1,069 |
| 778 | drug development | 1 | 28 | 1,333 | 1,502 |
| 778 | Petroleum | 9 | 28 | 111 | 333 |
| 778 | Culture techniques | 1 | 28 | 470 | 410 |
| 778 | Egypt | 4 | 28 | 417 | 1,126 |
| 784 | Educational Psychology | 3 | 27 | 1,366 | 1,893 |
| 784 | cell interaction | 1 | 27 | 1,388 | 1,541 |
| 784 | Evolution equations | 1 | 27 | 355 | 205 |
| 784 | Cell communication | 1 | 27 | 937 | 1,108 |
| 788 | Endocrinology | 2 | 26 | 2,485 | 3,090 |
| 788 | Optical Communications | 4 | 26 | 685 | 1,043 |
| 788 | Globalization | 3 | 26 | 549 | 967 |
| 788 | Microfluidics | 1 | 26 | 424 | 458 |
| 788 | biological evolution | 1 | 26 | 2,607 | 2,808 |
| 788 | amino acids | 3 | 26 | 572 | 1,047 |
| 794 | Zoology | 3 | 25 | 2,341 | 2,762 |
| 794 | Artificial Organs | 1 | 25 | 852 | 765 |
| 794 | Mycology | 5 | 25 | 1,153 | 2,026 |
| 794 | Family Therapy | 4 | 25 | 607 | 1,027 |
| 794 | child mental health | 4 | 25 | 393 | 789 |
| 794 | feeding behavior | 1 | 25 | 1,101 | 1,252 |
| 794 | Information management | 1 | 25 | 175 | 165 |
| 794 | Extreme environments | 2 | 25 | 291 | 572 |
| 794 | Appetite | 1 | 25 | 988 | 1,146 |
| 803 | Terahertz Technology | 1 | 24 | 296 | 320 |
| 803 | Integrative Medicine | 2 | 24 | 348 | 395 |
| 803 | Financial Institutions | 2 | 24 | 530 | 708 |
| 803 | Documentation | 1 | 24 | 491 | 430 |
| 807 | Nursing | 2 | 23 | 2,151 | 2,322 |
| 807 | Power Electronics | 1 | 23 | 1,390 | 1,451 |
| 807 | Risk Management | 1 | 23 | 1,220 | 1,188 |
| 807 | Ion Exchange | 1 | 23 | 219 | 201 |
| 807 | sadness | 1 | 23 | 509 | 480 |
| 807 | Solvent extraction | 1 | 23 | 219 | 201 |
| 807 | Southeast Asia | 1 | 23 | 731 | 533 |
| 807 | Respiration | 1 | 23 | 1,772 | 1,918 |
| 807 | death | 1 | 23 | 645 | 564 |
| 807 | biological monitoring | 1 | 23 | 896 | 1,055 |
| 807 | Suicide | 1 | 23 | 909 | 934 |
| 807 | educational innovations | 4 | 23 | 437 | 958 |
| 807 | antisocial personality disorder | 1 | 23 | 509 | 480 |
| 807 | silicon | 2 | 23 | 487 | 608 |
| 821 | Criminology | 1 | 22 | 1,348 | 1,196 |
| 821 | monoclonal antibodies | 1 | 22 | 480 | 446 |
| 821 | Freeze-Drying | 2 | 22 | 470 | 710 |
| 821 | Hypothermia | 2 | 22 | 470 | 710 |
| 821 | Freeze Drying | 2 | 22 | 470 | 710 |
| 821 | Small Business | 1 | 22 | 1,152 | 1,437 |
| 821 | scientific research | 1 | 22 | 127 | 92 |
| 821 | Trace elements | 4 | 22 | 209 | 708 |
| 829 | Thrombosis | 1 | 21 | 1,215 | 1,347 |
| 829 | Integrated Circuits | 2 | 21 | 983 | 898 |
| 829 | vascular diseases | 1 | 21 | 932 | 1,146 |
| 832 | Health Services Research | 1 | 20 | 2,253 | 2,291 |
| 832 | Energy Consumption | 2 | 20 | 489 | 902 |
| 832 | Primary health care | 1 | 20 | 2,365 | 2,427 |
| 832 | Interfaces | 1 | 20 | 657 | 641 |
| 832 | Therapeutics | 2 | 20 | 1,565 | 2,200 |
| 832 | organization | 1 | 20 | 1,269 | 1,399 |
| 838 | Ethics | 2 | 19 | 1,125 | 1,445 |
| 838 | Algorithms | 3 | 19 | 762 | 1,092 |
| 838 | Municipal Engineering | 1 | 19 | 715 | 883 |
| 838 | Sustainable agriculture | 2 | 19 | 904 | 1,403 |
| 838 | Crowdsourcing | 1 | 19 | 35 | 35 |
| 838 | Collective behavior | 1 | 19 | 209 | 260 |
| 838 | Visual Perception | 5 | 19 | 1,018 | 1,895 |
| 838 | Student Health Services | 1 | 19 | 493 | 565 |
| 838 | explosives | 3 | 19 | 177 | 278 |
| 838 | Export Marketing | 1 | 19 | 456 | 592 |
| 838 | Memory | 5 | 19 | 1,125 | 2,176 |
| 838 | Attention | 5 | 19 | 1,066 | 2,051 |
| 838 | Perception | 5 | 19 | 1,151 | 2,104 |
| 851 | Food Science | 2 | 18 | 305 | 498 |
| 851 | Macroeconomics | 2 | 18 | 496 | 616 |
| 851 | Risk assessment | 1 | 18 | 1,193 | 1,247 |
| 851 | Wireless Communication | 1 | 18 | 855 | 826 |
| 851 | ecological risk assessment | 1 | 18 | 544 | 671 |
| 851 | Employee selection | 1 | 18 | 250 | 334 |
| 851 | aromatic plants | 3 | 18 | 228 | 444 |
| 851 | Health Risk Assessment | 1 | 18 | 920 | 995 |
| 851 | Fungi | 4 | 18 | 827 | 1,622 |
| 860 | Inventory Control | 1 | 17 | 178 | 334 |
| 860 | Clinical Pharmacology | 1 | 17 | 1,637 | 1,811 |
| 860 | Computational Fluid Dynamics | 2 | 17 | 781 | 1,144 |
| 860 | Ferroelectricity | 4 | 17 | 880 | 1,291 |
| 860 | Welding | 3 | 17 | 239 | 367 |
| 860 | Population | 3 | 17 | 846 | 1,584 |
| 866 | Quantum electronics | 2 | 16 | 1,824 | 2,133 |
| 866 | Urban Geography | 1 | 16 | 423 | 518 |
| 866 | Developmental Biology | 1 | 16 | 2,327 | 2,724 |
| 866 | Speech Perception | 3 | 16 | 331 | 687 |
| 866 | auditory perception | 3 | 16 | 402 | 798 |
| 866 | Sensor Networks | 5 | 16 | 154 | 502 |
| 866 | Food texture | 1 | 16 | 331 | 436 |
| 866 | Plant breeding | 2 | 16 | 917 | 1,402 |
| 866 | Cosmochemistry | 1 | 16 | 1,254 | 1,545 |
| 866 | Sound | 5 | 16 | 800 | 1,451 |
| 866 | personality | 4 | 16 | 1,252 | 2,307 |
| 866 | Oral communication | 3 | 16 | 443 | 815 |
| 866 | Microstructure | 2 | 16 | 1,178 | 1,462 |
| 866 | ozone | 1 | 16 | 270 | 341 |
| 866 | Speech | 3 | 16 | 856 | 1,392 |
| 881 | Nanophotonics | 1 | 15 | 576 | 736 |
| 881 | Discrete Mathematics | 4 | 15 | 287 | 438 |
| 881 | economic indicators | 2 | 15 | 135 | 239 |
| 881 | Substance Abuse | 1 | 15 | 1,870 | 2,037 |
| 881 | DNS | 1 | 15 | 819 | 1,025 |
| 881 | graph | 4 | 15 | 287 | 438 |
| 881 | Futures | 1 | 15 | 554 | 616 |
| 881 | Statistical models | 1 | 15 | 205 | 232 |
| 881 | wood | 2 | 15 | 567 | 807 |
| 881 | DNA | 1 | 15 | 993 | 1,130 |
| 891 | Economic Geography | 2 | 14 | 479 | 720 |
| 891 | Physical Geography | 1 | 14 | 870 | 1,000 |
| 891 | Urban Economics | 2 | 14 | 447 | 736 |
| 891 | Agricultural Ecology | 2 | 14 | 1,209 | 2,046 |
| 891 | Digital electronics | 3 | 14 | 316 | 518 |
| 891 | Computational Mathematics | 2 | 14 | 142 | 271 |
| 891 | Labor Economics | 2 | 14 | 625 | 864 |
| 891 | Child | 2 | 14 | 2,321 | 3,015 |
| 891 | Synchrotron Radiation | 2 | 14 | 453 | 659 |
| 891 | Urbanization | 2 | 14 | 245 | 490 |
| 891 | Friction | 1 | 14 | 259 | 408 |
| 891 | cooperation | 1 | 14 | 318 | 287 |
| 891 | glycoproteins | 1 | 14 | 693 | 900 |
| 891 | Glycoconjugates | 1 | 14 | 693 | 900 |
| 891 | Oligosaccharides | 1 | 14 | 462 | 602 |
| 891 | water reuse | 1 | 14 | 693 | 969 |
| 891 | Ventilation | 3 | 14 | 527 | 1,087 |
| 891 | Jurisprudence | 2 | 14 | 1,069 | 1,385 |
| 891 | violence | 1 | 14 | 1,495 | 1,723 |
| 891 | sex crimes | 1 | 14 | 1,024 | 1,240 |
| 891 | glycolipids | 1 | 14 | 693 | 900 |
| 912 | Public Administration | 3 | 13 | 1,352 | 1,979 |
| 912 | occupational diseases | 1 | 13 | 1,200 | 1,606 |
| 912 | Fixed Point Theory | 2 | 13 | 375 | 441 |
| 912 | Global warming | 1 | 13 | 361 | 368 |
| 912 | water supply | 2 | 13 | 1,009 | 1,666 |
| 912 | nucleotides | 2 | 13 | 400 | 516 |
| 912 | Iron | 4 | 13 | 256 | 580 |
| 912 | Population Dynamics | 1 | 13 | 360 | 470 |
| 920 | Architecture | 1 | 12 | 940 | 847 |
| 920 | Neuropsychology | 2 | 12 | 2,284 | 3,159 |
| 920 | Environmental Geology | 2 | 12 | 1,911 | 2,744 |
| 920 | Telecommunications | 2 | 12 | 1,046 | 1,480 |
| 920 | Computational Linguistics | 2 | 12 | 748 | 1,031 |
| 920 | Flow chemistry | 3 | 12 | 24 | 104 |
| 920 | Probiotics | 1 | 12 | 443 | 703 |
| 920 | Building | 1 | 12 | 910 | 938 |
| 920 | health services | 1 | 12 | 1,631 | 1,922 |
| 920 | Soviet Union | 2 | 12 | 898 | 1,067 |
| 930 | Social Choice Theory | 1 | 11 | 426 | 425 |
| 930 | Nuclear Energy | 4 | 11 | 826 | 1,524 |
| 930 | Project Management | 3 | 11 | 275 | 843 |
| 930 | Welfare Economics | 1 | 11 | 679 | 767 |
| 930 | Metastasis | 1 | 11 | 326 | 622 |
| 930 | Alloys | 2 | 11 | 387 | 482 |
| 930 | RNA | 1 | 11 | 774 | 1,053 |
| 930 | India | 3 | 11 | 1,540 | 2,324 |
| 938 | Earthquake Engineering | 3 | 10 | 1,257 | 2,039 |
| 938 | Organizational Behavior | 1 | 10 | 874 | 1,128 |
| 938 | Coastal zone management | 1 | 10 | 1,119 | 1,509 |
| 938 | Advertising | 3 | 10 | 297 | 806 |
| 938 | adolescence | 2 | 10 | 1,085 | 1,810 |
| 938 | Adolescent Psychology | 2 | 10 | 948 | 1,559 |
| 938 | elasticity | 7 | 10 | 126 | 492 |
| 938 | Electromagnetic fields | 1 | 10 | 729 | 648 |
| 938 | Youth | 2 | 10 | 805 | 1,443 |
| 938 | biological agents | 4 | 10 | 599 | 1,013 |
| 938 | vitamin C | 1 | 10 | 713 | 1,070 |
| 938 | vitamin E | 1 | 10 | 713 | 1,070 |
| 950 | Orthopedics | 1 | 9 | 1,707 | 2,015 |
| 950 | Public Relations | 1 | 9 | 810 | 1,041 |
| 950 | Orthopedic Surgery | 1 | 9 | 1,046 | 1,249 |
| 950 | Computational neuroscience | 1 | 9 | 70 | 113 |
| 950 | Religion and Sociology | 1 | 9 | 437 | 425 |
| 950 | data analysis | 1 | 9 | 9 | 16 |
| 950 | Sports | 2 | 9 | 2,257 | 2,780 |
| 950 | monitoring | 1 | 9 | 476 | 604 |
| 950 | Detergents | 7 | 9 | 21 | 123 |
| 950 | Refractory materials | 2 | 9 | 183 | 256 |
| 950 | brain mapping | 1 | 9 | 825 | 1,158 |
| 950 | ground penetrating radar | 1 | 9 | 148 | 201 |
| 950 | liver | 1 | 9 | 488 | 688 |
| 963 | Planetary Science | 1 | 8 | 785 | 978 |
| 963 | Mobile Computing | 2 | 8 | 1,298 | 1,953 |
| 963 | Software Maintenance | 2 | 8 | 248 | 496 |
| 963 | Health Policy | 1 | 8 | 2,902 | 3,437 |
| 963 | Plant Taxonomy | 1 | 8 | 643 | 817 |
| 963 | Neurotoxicology | 1 | 8 | 965 | 1,512 |
| 963 | Forest Ecology | 1 | 8 | 1,478 | 1,999 |
| 963 | Behavioral research | 1 | 8 | 1,189 | 1,567 |
| 963 | Transgenic plants | 1 | 8 | 738 | 1,086 |
| 963 | Cell surface receptors | 1 | 8 | 267 | 434 |
| 963 | Breeding | 1 | 8 | 1,667 | 2,116 |
| 963 | Digestive system diseases | 1 | 8 | 1,083 | 1,391 |
| 963 | cosmetics | 3 | 8 | 151 | 552 |
| 976 | Quantum Mechanics | 1 | 7 | 361 | 366 |
| 976 | Molecular recognition | 1 | 7 | 457 | 750 |
| 976 | Indoor air quality | 1 | 7 | 205 | 308 |
| 976 | Ecosystem management | 3 | 7 | 683 | 1,547 |
| 976 | Air Conditioning | 1 | 7 | 390 | 522 |
| 976 | Ornithology | 1 | 7 | 1,356 | 1,552 |
| 976 | Optoelectronic devices | 1 | 7 | 1,578 | 1,773 |
| 976 | nuclear power | 2 | 7 | 574 | 835 |
| 976 | indoor air pollution | 2 | 7 | 482 | 1,067 |
| 976 | Sick building syndrome | 2 | 7 | 482 | 1,067 |
| 976 | heating | 1 | 7 | 305 | 433 |
| 976 | Birds | 1 | 7 | 1,546 | 1,738 |
| 976 | Investments | 2 | 7 | 723 | 1,376 |
| 989 | Audiology | 1 | 6 | 1,023 | 1,277 |
| 989 | Environmental Ethics | 2 | 6 | 213 | 460 |
| 989 | Boundary Value Problems | 2 | 6 | 971 | 1,479 |
| 989 | Ethnic relations | 1 | 6 | 1,049 | 1,174 |
| 989 | Industrial Ecology | 1 | 6 | 333 | 589 |
| 989 | Ethnic Conflict | 1 | 6 | 466 | 710 |
| 989 | civil rights | 1 | 6 | 720 | 923 |
| 989 | Program Evaluation | 1 | 6 | 190 | 336 |
| 989 | Portfolio Management | 1 | 6 | 545 | 597 |
| 989 | Sexuality | 1 | 6 | 572 | 802 |
| 989 | animals | 1 | 6 | 1,816 | 2,231 |
| 989 | forced migration | 1 | 6 | 466 | 710 |