| 1 | Chemistry | 3,387 | 197.9K | 69 | 73 |
| 2 | Catalysis | 1,813 | 94.4K | 3 | 3 |
| 3 | Chemical Engineering | 3,235 | 92.0K | 4 | 14 |
| 4 | Materials | 1,198 | 66.0K | 115 | 111 |
| 5 | Biotechnology | 1,659 | 49.6K | 14 | 71 |
| 6 | Biocompatible Materials | 757 | 47.5K | 48 | 46 |
| 7 | Biochemical Engineering | 1,271 | 43.5K | 5 | 33 |
| 8 | Physics | 891 | 43.4K | 449 | 550 |
| 9 | Polymers | 1,798 | 39.5K | 16 | 50 |
| 10 | Nanotechnology | 853 | 37.9K | 98 | 149 |
| 11 | Materials Science | 721 | 37.5K | 106 | 103 |
| 12 | polymerization | 1,481 | 32.3K | 16 | 42 |
| 13 | Analytical Chemistry | 800 | 31.8K | 39 | 39 |
| 14 | Biochemistry | 1,233 | 31.5K | 308 | 450 |
| 15 | Biology | 353 | 31.2K | 648 | 570 |
| 16 | Biomedical Engineering | 908 | 26.9K | 31 | 59 |
| 17 | Microbiology | 829 | 24.5K | 164 | 342 |
| 18 | Colloids | 707 | 24.1K | 28 | 58 |
| 19 | Bioengineering | 675 | 22.4K | 39 | 139 |
| 20 | Surface Chemistry | 675 | 22.2K | 34 | 61 |
| 21 | Environment | 450 | 21.4K | 141 | 254 |
| 22 | Science | 364 | 20.0K | 685 | 747 |
| 23 | Industrial Engineering | 782 | 19.9K | 3 | 4 |
| 24 | Pollution | 355 | 19.5K | 232 | 251 |
| 25 | Optical materials | 275 | 18.3K | 74 | 75 |
| 26 | Automation | 311 | 17.4K | 57 | 68 |
| 27 | Nanostructured Materials | 407 | 17.1K | 76 | 89 |
| 28 | Biomass Energy | 325 | 16.6K | 18 | 39 |
| 29 | nanoscience | 273 | 16.3K | 97 | 112 |
| 30 | Ecology | 310 | 14.2K | 442 | 507 |
| 31 | Green Chemistry | 269 | 13.3K | 13 | 25 |
| 32 | coal | 397 | 13.1K | 11 | 16 |
| 33 | Organic Chemistry | 415 | 13.1K | 30 | 62 |
| 34 | Electrochemistry | 381 | 12.8K | 186 | 117 |
| 35 | Pharmaceutical Chemistry | 368 | 11.7K | 94 | 156 |
| 36 | environmental pollution | 273 | 11.6K | 176 | 201 |
| 37 | Environmental Health | 219 | 11.1K | 340 | 330 |
| 38 | Bioorganic chemistry | 299 | 10.2K | 35 | 63 |
| 39 | Technology | 353 | 10.0K | 101 | 111 |
| 40 | Environmental Engineering | 190 | 9.5K | 187 | 223 |
| 41 | Energy Conversion | 95 | 9.4K | 82 | 97 |
| 42 | Molecular Biology | 290 | 8.4K | 723 | 908 |
| 43 | Environmental Management | 151 | 8.1K | 96 | 88 |
| 44 | Sustainable Engineering | 206 | 8.0K | 10 | 29 |
| 45 | Agricultural Chemistry | 235 | 8.0K | 61 | 78 |
| 46 | Environmental monitoring | 172 | 7.6K | 176 | 210 |
| 47 | Environmental Chemistry | 61 | 7.4K | 206 | 137 |
| 48 | Cybernetics | 133 | 7.3K | 57 | 68 |
| 48 | Membranes | 153 | 7.3K | 88 | 101 |
| 50 | Energy Policy | 246 | 7.3K | 50 | 134 |
| 51 | Magnetic Materials | 117 | 7.1K | 72 | 33 |
| 52 | Industrial Microbiology | 244 | 7.0K | 8 | 44 |
| 53 | Artificial Intelligence | 247 | 7.0K | 128 | 230 |
| 54 | China | 451 | 7.0K | 51 | 69 |
| 55 | sanitation | 71 | 6.7K | 194 | 176 |
| 56 | Carbon | 95 | 6.6K | 60 | 62 |
| 57 | Water | 129 | 6.5K | 188 | 237 |
| 58 | Statistical physics | 156 | 6.5K | 476 | 347 |
| 59 | Natural history | 23 | 6.2K | 1046 | 813 |
| 60 | Clinical Chemistry | 160 | 6.0K | 169 | 189 |
| 61 | Signal Processing | 210 | 5.9K | 153 | 234 |
| 62 | Biosensors | 103 | 5.8K | 48 | 45 |
| 63 | Fracture mechanics | 249 | 5.8K | 23 | 41 |
| 64 | pigments | 244 | 5.6K | 1 | 3 |
| 65 | Nanoparticles | 163 | 5.6K | 57 | 90 |
| 66 | Systems Engineering | 206 | 5.5K | 41 | 56 |
| 67 | Medicine | 168 | 5.5K | 1211 | 1251 |
| 68 | Physical Chemistry | 126 | 5.4K | 170 | 169 |
| 69 | Pharmacology | 161 | 5.4K | 632 | 594 |
| 70 | energy conservation | 109 | 5.3K | 117 | 169 |
| 71 | Renewable Energy Sources | 48 | 5.3K | 435 | 308 |
| 72 | Mathematics | 380 | 5.2K | 467 | 450 |
| 73 | Bioelectronics | 71 | 5.2K | 53 | 40 |
| 74 | Neural circuitry | 188 | 5.1K | 50 | 74 |
| 75 | Research | 185 | 5.0K | 957 | 1008 |
| 76 | Composite Materials | 151 | 4.6K | 222 | 310 |
| 77 | Medical Laboratory Science | 160 | 4.5K | 63 | 172 |
| 78 | environmental protection | 212 | 4.5K | 77 | 279 |
| 79 | Nanostructures | 144 | 4.5K | 39 | 149 |
| 80 | Chemical industry | 340 | 4.2K | 21 | 14 |
| 81 | Zeolites | 120 | 4.0K | 5 | 12 |
| 82 | miniaturization | 84 | 4.0K | 181 | 249 |
| 83 | fuel cells | 81 | 4.0K | 87 | 142 |
| 84 | Control Theory | 209 | 4.0K | 50 | 104 |
| 85 | Toxicology | 120 | 4.0K | 551 | 587 |
| 86 | Physical organic chemistry | 140 | 3.9K | 10 | 14 |
| 87 | Microbial Ecology | 104 | 3.9K | 210 | 351 |
| 88 | Computational Biology | 59 | 3.8K | 358 | 283 |
| 89 | Pharmaceutical Technology | 109 | 3.8K | 39 | 51 |
| 90 | actuators | 98 | 3.8K | 154 | 161 |
| 90 | transducers | 98 | 3.8K | 154 | 161 |
| 92 | Chemical analysis | 97 | 3.7K | 18 | 14 |
| 93 | Metals | 77 | 3.7K | 269 | 230 |
| 94 | Informatics | 71 | 3.7K | 18 | 25 |
| 95 | Cytology | 52 | 3.6K | 923 | 800 |
| 96 | Environmental Policy | 78 | 3.5K | 390 | 440 |
| 97 | Nuclear Physics | 130 | 3.5K | 847 | 843 |
| 98 | catalytic activity | 96 | 3.5K | 6 | 15 |
| 99 | Photonics | 63 | 3.4K | 323 | 272 |
| 100 | enzymes | 127 | 3.4K | 42 | 80 |
| 101 | Mathematical Physics | 119 | 3.4K | 358 | 304 |
| 102 | energy resources | 36 | 3.3K | 219 | 164 |
| 103 | Water pollution | 96 | 3.2K | 289 | 389 |
| 104 | Bioinformatics | 76 | 3.1K | 206 | 265 |
| 105 | Metallurgy | 73 | 3.1K | 325 | 273 |
| 106 | Information Science | 88 | 3.0K | 197 | 222 |
| 107 | Molecular structure | 130 | 3.0K | 97 | 235 |
| 108 | Biophysics | 123 | 3.0K | 858 | 985 |
| 109 | nucleic acids | 23 | 2.9K | 533 | 369 |
| 110 | Energy Storage | 89 | 2.8K | 59 | 104 |
| 111 | Nonlinear Dynamics | 24 | 2.8K | 755 | 292 |
| 112 | Surface-Active Agents | 64 | 2.8K | 30 | 38 |
| 112 | Surface properties | 64 | 2.8K | 32 | 41 |
| 114 | Electronics | 111 | 2.7K | 439 | 441 |
| 115 | Solid State Chemistry | 98 | 2.7K | 269 | 223 |
| 116 | Engineering | 170 | 2.6K | 261 | 390 |
| 116 | biofuels | 30 | 2.6K | 19 | 12 |
| 118 | Microelectronics | 42 | 2.4K | 373 | 322 |
| 119 | Catalysts | 98 | 2.3K | 2 | 18 |
| 120 | Environmental Toxicology | 61 | 2.2K | 258 | 342 |
| 121 | Heat Exchangers | 56 | 2.2K | 110 | 114 |
| 122 | Photochemistry | 61 | 2.1K | 118 | 131 |
| 123 | genome | 20 | 2.1K | 436 | 333 |
| 124 | Microbial Biotechnology | 72 | 2.1K | 13 | 29 |
| 125 | Photobiology | 58 | 2.1K | 45 | 56 |
| 126 | Plastics | 99 | 2.1K | 64 | 120 |
| 127 | Organometallic compounds | 69 | 2.1K | 92 | 115 |
| 128 | Information Systems | 66 | 2.0K | 61 | 88 |
| 129 | Nervous system | 45 | 2.0K | 516 | 505 |
| 130 | Mechanical Engineering | 93 | 1.9K | 245 | 213 |
| 131 | Glass | 100 | 1.9K | 61 | 139 |
| 132 | Environmental pollutants | 58 | 1.9K | 241 | 297 |
| 133 | Metabolism | 28 | 1.9K | 746 | 630 |
| 134 | Fluid Mechanics | 63 | 1.9K | 189 | 193 |
| 135 | Enzyme | 56 | 1.8K | 8 | 22 |
| 136 | Ceramics | 93 | 1.8K | 92 | 162 |
| 137 | supercritical fluids | 53 | 1.8K | 18 | 26 |
| 138 | Manufacturing Processes | 61 | 1.8K | 351 | 345 |
| 138 | Operations Research | 78 | 1.8K | 282 | 411 |
| 140 | pottery | 84 | 1.8K | 70 | 147 |
| 141 | Spectrum analysis | 93 | 1.7K | 761 | 1050 |
| 142 | System analysis | 85 | 1.7K | 210 | 309 |
| 143 | biocatalysis | 6 | 1.7K | 75 | 76 |
| 143 | Homogeneous catalysis | 6 | 1.7K | 75 | 76 |
| 143 | Heterogeneous catalysis | 6 | 1.7K | 75 | 76 |
| 146 | Diagnostic microbiology | 8 | 1.7K | 604 | 312 |
| 147 | Process Control | 43 | 1.7K | 65 | 166 |
| 148 | proteins | 65 | 1.7K | 248 | 334 |
| 149 | Bioremediation | 54 | 1.7K | 12 | 19 |
| 150 | Crystal growth | 37 | 1.7K | 127 | 75 |
| 151 | Chromatographic analysis | 156 | 1.6K | 37 | 134 |
| 152 | Parasitology | 35 | 1.6K | 543 | 316 |
| 153 | Biodegradation | 50 | 1.6K | 12 | 22 |
| 154 | Electrochemical Analysis | 61 | 1.6K | 162 | 189 |
| 155 | Solid State Physics | 69 | 1.6K | 926 | 896 |
| 156 | Electrophoresis | 134 | 1.6K | 33 | 180 |
| 157 | Genetic engineering | 55 | 1.6K | 271 | 429 |
| 158 | Image Processing | 70 | 1.5K | 294 | 475 |
| 159 | Light | 6 | 1.5K | 619 | 313 |
| 160 | Chromatography | 142 | 1.5K | 26 | 116 |
| 161 | Telecommunication Systems | 48 | 1.5K | 170 | 97 |
| 162 | Histology | 49 | 1.5K | 318 | 359 |
| 163 | Organometallic chemistry | 80 | 1.5K | 128 | 152 |
| 164 | Medical Microbiology | 9 | 1.5K | 1107 | 580 |
| 165 | Energy Harvesting | 13 | 1.5K | 153 | 124 |
| 166 | Optics | 89 | 1.5K | 817 | 844 |
| 167 | Combinatorial chemistry | 23 | 1.4K | 147 | 135 |
| 168 | Economics | 96 | 1.4K | 700 | 880 |
| 169 | Analytical Biochemistry | 78 | 1.4K | 82 | 230 |
| 170 | Chemical processes | 90 | 1.4K | 7 | 20 |
| 171 | Cognitive Science | 63 | 1.3K | 136 | 335 |
| 172 | energy development | 13 | 1.3K | 233 | 204 |
| 173 | management | 40 | 1.3K | 900 | 1039 |
| 174 | Hazardous waste | 27 | 1.2K | 114 | 165 |
| 175 | Production Management | 22 | 1.2K | 324 | 392 |
| 175 | rehabilitation | 20 | 1.2K | 692 | 437 |
| 177 | Metabolic diseases | 6 | 1.2K | 1263 | 668 |
| 177 | computer networks | 80 | 1.2K | 265 | 502 |
| 179 | Cell metabolism | 8 | 1.2K | 303 | 278 |
| 180 | Japan | 70 | 1.2K | 153 | 157 |
| 181 | Homeostasis | 5 | 1.2K | 262 | 273 |
| 182 | Food additives | 16 | 1.2K | 347 | 213 |
| 183 | Immunity | 8 | 1.2K | 918 | 659 |
| 184 | mathematical analysis | 63 | 1.2K | 503 | 358 |
| 185 | radioactive waste | 22 | 1.2K | 105 | 163 |
| 185 | industrial waste | 22 | 1.2K | 122 | 164 |
| 187 | hydrocolloids | 14 | 1.2K | 214 | 178 |
| 188 | Condensed Matter | 33 | 1.2K | 1091 | 945 |
| 189 | Synthetic biology | 39 | 1.1K | 23 | 30 |
| 190 | particles | 49 | 1.1K | 60 | 70 |
| 191 | Combustion | 39 | 1.1K | 251 | 261 |
| 192 | Business | 22 | 1.1K | 736 | 763 |
| 193 | Nanochemistry | 57 | 1.1K | 55 | 77 |
| 194 | software | 13 | 1.1K | 376 | 134 |
| 195 | Systems Analysis | 52 | 1.1K | 67 | 95 |
| 196 | Solar Energy | 26 | 1.0K | 386 | 412 |
| 197 | pollutants | 32 | 1.0K | 357 | 445 |
| 198 | health planning | 57 | 1.0K | 244 | 328 |
| 199 | Production Engineering | 42 | 1.0K | 368 | 341 |
| 200 | environmental exposure | 33 | 1.0K | 351 | 425 |
| 201 | biological factors | 31 | 1.0K | 403 | 397 |
| 202 | Electromagnetism | 15 | 979 | 377 | 172 |
| 203 | synthesis | 64 | 969 | 36 | 38 |
| 204 | mass transfer | 42 | 965 | 341 | 480 |
| 205 | International Finance | 37 | 958 | 310 | 381 |
| 206 | Building Materials | 21 | 951 | 647 | 673 |
| 207 | biopolymers | 56 | 949 | 157 | 281 |
| 208 | Nonlinear systems | 60 | 933 | 26 | 77 |
| 209 | Robotics | 69 | 930 | 182 | 397 |
| 210 | food technology | 39 | 928 | 567 | 746 |
| 211 | Food | 37 | 923 | 750 | 993 |
| 212 | Cell Biology | 37 | 916 | 1042 | 1432 |
| 213 | marketing | 25 | 911 | 608 | 645 |
| 213 | Cancer | 22 | 911 | 1011 | 1028 |
| 215 | finance | 53 | 909 | 421 | 576 |
| 216 | Biomass | 21 | 908 | 91 | 122 |
| 217 | Bioinorganic chemistry | 32 | 905 | 349 | 319 |
| 218 | Economic History | 48 | 904 | 675 | 703 |
| 219 | Luminescence | 45 | 887 | 133 | 126 |
| 220 | plasticity | 14 | 885 | 116 | 116 |
| 221 | Parasitic Diseases | 18 | 877 | 673 | 468 |
| 222 | Soft Condensed Matter | 50 | 867 | 172 | 286 |
| 223 | Molecular Spectroscopy | 38 | 856 | 316 | 327 |
| 224 | Solitons | 32 | 847 | 155 | 165 |
| 224 | Fractals | 32 | 847 | 156 | 165 |
| 224 | Chaos | 32 | 847 | 155 | 165 |
| 227 | Asia | 38 | 839 | 480 | 409 |
| 228 | Recycling | 14 | 833 | 158 | 211 |
| 229 | Parasites | 17 | 814 | 538 | 325 |
| 230 | Emulsions | 114 | 813 | 3 | 10 |
| 231 | carbon monoxide | 23 | 798 | 10 | 39 |
| 232 | protein | 41 | 787 | 176 | 313 |
| 233 | Nutrition | 22 | 776 | 1446 | 1396 |
| 234 | Molecular Microbiology | 12 | 772 | 389 | 393 |
| 235 | Pharmacognosy | 28 | 760 | 469 | 601 |
| 235 | Mechatronics | 21 | 760 | 206 | 180 |
| 235 | drug toxicity | 18 | 760 | 41 | 25 |
| 238 | Medicinal plants | 28 | 753 | 258 | 420 |
| 239 | Thermodynamics | 71 | 751 | 56 | 131 |
| 240 | Immunology | 15 | 740 | 1242 | 1112 |
| 241 | Water quality management | 48 | 722 | 217 | 376 |
| 242 | Drug design | 21 | 715 | 388 | 405 |
| 243 | Fuzzy systems | 49 | 706 | 131 | 188 |
| 244 | Quantum Gravity | 32 | 695 | 830 | 897 |
| 245 | Computer Graphics | 42 | 691 | 329 | 502 |
| 246 | natural products | 26 | 689 | 457 | 422 |
| 247 | Multimedia Systems | 52 | 674 | 189 | 365 |
| 248 | Environmental Microbiology | 40 | 673 | 185 | 557 |
| 249 | Microwaves | 3 | 666 | 1238 | 328 |
| 250 | Epidemiology | 12 | 663 | 1644 | 1117 |
| 251 | Chromosome mapping | 13 | 660 | 709 | 627 |
| 251 | gene mapping | 13 | 660 | 779 | 708 |
| 253 | Sustainable Development | 17 | 651 | 651 | 681 |
| 254 | Thermochemistry | 53 | 642 | 36 | 94 |
| 255 | Behavior | 6 | 633 | 2009 | 1337 |
| 256 | Host-parasite interactions | 7 | 617 | 673 | 601 |
| 257 | human behavior | 5 | 601 | 1761 | 1162 |
| 258 | Electrical Engineering | 30 | 594 | 1045 | 804 |
| 259 | Allergy | 1 | 591 | 1215 | 555 |
| 260 | Virulence | 8 | 587 | 570 | 583 |
| 261 | Medical Physics | 16 | 580 | 629 | 595 |
| 262 | Hydrocarbons | 27 | 574 | 12 | 7 |
| 263 | Environmental Law | 8 | 572 | 586 | 566 |
| 264 | Intelligent Transportation Systems | 16 | 569 | 377 | 444 |
| 265 | Functional Analysis | 22 | 566 | 440 | 336 |
| 265 | Technological Innovations | 20 | 566 | 197 | 288 |
| 267 | Genomics | 19 | 561 | 1082 | 1154 |
| 268 | Molecular Pharmacology | 19 | 557 | 197 | 311 |
| 269 | Chemical kinetics | 51 | 544 | 22 | 49 |
| 270 | Nondestructive testing | 25 | 540 | 104 | 140 |
| 271 | Community Psychiatry | 7 | 537 | 507 | 326 |
| 272 | Social Change | 8 | 534 | 564 | 499 |
| 273 | Medical Technology | 14 | 533 | 566 | 460 |
| 273 | Pesticides | 24 | 533 | 96 | 92 |
| 275 | Ultrasonics | 25 | 527 | 273 | 459 |
| 276 | Adaptive control systems | 52 | 525 | 24 | 77 |
| 277 | Nonlinear functional analysis | 24 | 522 | 266 | 253 |
| 278 | Cheminformatics | 21 | 521 | 14 | 133 |
| 279 | Economic Development | 7 | 520 | 948 | 664 |
| 280 | soil microbiology | 31 | 506 | 357 | 807 |
| 281 | Measurement | 38 | 501 | 193 | 359 |
| 282 | Fluid Dynamics | 19 | 493 | 363 | 378 |
| 282 | sustainability | 5 | 493 | 618 | 386 |
| 284 | Physiology | 11 | 481 | 2000 | 1695 |
| 285 | Tribology | 32 | 477 | 210 | 370 |
| 286 | Ceramic materials | 27 | 471 | 293 | 439 |
| 287 | Social work | 28 | 467 | 380 | 394 |
| 288 | Neurology | 16 | 466 | 1874 | 1943 |
| 288 | Immunotherapy | 9 | 466 | 879 | 805 |
| 288 | Immunopharmacology | 8 | 466 | 559 | 339 |
| 288 | cytokines | 8 | 466 | 617 | 481 |
| 292 | Gene expression regulation | 26 | 461 | 169 | 383 |
| 292 | Genetic regulation | 26 | 461 | 235 | 510 |
| 294 | Semiconductors | 24 | 459 | 643 | 629 |
| 294 | Drug delivery systems | 30 | 459 | 301 | 733 |
| 296 | Ultrasound | 21 | 458 | 195 | 233 |
| 297 | Information Technology | 37 | 456 | 418 | 950 |
| 298 | Petroleum Engineering | 20 | 455 | 191 | 223 |
| 299 | Ultrasonic Imaging | 20 | 454 | 96 | 115 |
| 300 | Psychology | 21 | 450 | 1798 | 1781 |
| 301 | Plant physiology | 7 | 438 | 1378 | 1133 |
| 302 | Detectors | 31 | 429 | 303 | 509 |
| 303 | United States | 23 | 426 | 1707 | 1852 |
| 304 | Molecules | 29 | 424 | 440 | 556 |
| 305 | Granular materials | 12 | 418 | 157 | 141 |
| 306 | disease vectors | 10 | 416 | 435 | 331 |
| 307 | Quality Control | 8 | 403 | 946 | 650 |
| 308 | economic policy | 30 | 401 | 624 | 716 |
| 309 | Calorimetry | 26 | 400 | 204 | 302 |
| 309 | Thermal analysis | 26 | 400 | 204 | 302 |
| 311 | Neurochemistry | 13 | 392 | 1066 | 1107 |
| 311 | Biodiversity | 23 | 392 | 647 | 980 |
| 313 | Bacterial infections | 3 | 387 | 694 | 444 |
| 314 | Waste management | 38 | 385 | 187 | 426 |
| 315 | Cell death | 8 | 374 | 630 | 679 |
| 316 | Social Sciences | 23 | 372 | 1118 | 1175 |
| 317 | Numerical Analysis | 44 | 368 | 484 | 846 |
| 318 | Engineering Mathematics | 33 | 359 | 393 | 628 |
| 319 | Mental Disorders | 5 | 355 | 1844 | 1319 |
| 320 | Water Purification | 35 | 353 | 149 | 370 |
| 320 | internet | 18 | 353 | 528 | 750 |
| 322 | carcinogens | 8 | 350 | 470 | 478 |
| 323 | Psychiatric Epidemiology | 4 | 347 | 360 | 240 |
| 323 | Mental illness | 4 | 347 | 1365 | 987 |
| 323 | Developing countries | 8 | 347 | 1348 | 972 |
| 323 | drug evaluation | 18 | 347 | 377 | 500 |
| 327 | Dynamics | 23 | 344 | 456 | 519 |
| 327 | telemarketing | 3 | 344 | 84 | 45 |
| 329 | Systems Biology | 21 | 336 | 437 | 669 |
| 330 | Hydrology | 15 | 331 | 1032 | 1150 |
| 331 | Genetics | 17 | 328 | 1346 | 1841 |
| 332 | Investment analysis | 20 | 326 | 148 | 321 |
| 333 | mycoses | 2 | 324 | 851 | 499 |
| 334 | Geochemistry | 4 | 323 | 1574 | 1062 |
| 335 | Computer Science | 32 | 322 | 388 | 681 |
| 336 | Psychiatry | 7 | 319 | 2344 | 1873 |
| 337 | food handling | 8 | 318 | 447 | 468 |
| 337 | Metallography | 18 | 318 | 224 | 329 |
| 339 | Business Ethics | 7 | 316 | 635 | 788 |
| 340 | Internet of Things | 19 | 314 | 341 | 632 |
| 340 | Adsorption | 9 | 314 | 54 | 48 |
| 340 | solar power | 12 | 314 | 282 | 465 |
| 340 | solar cells | 12 | 314 | 319 | 502 |
| 344 | Biological Systems | 8 | 313 | 213 | 169 |
| 345 | Public Health | 8 | 310 | 2942 | 2413 |
| 346 | Nanobiotechnology | 9 | 309 | 131 | 268 |
| 347 | Evolutionary Computation | 16 | 308 | 98 | 329 |
| 348 | Meteorites | 2 | 307 | 888 | 631 |
| 349 | Botany | 15 | 305 | 1743 | 2050 |
| 350 | optical devices | 15 | 303 | 104 | 124 |
| 351 | Yeast | 12 | 302 | 127 | 215 |
| 352 | Porous materials | 22 | 301 | 103 | 177 |
| 353 | Vaccines | 15 | 299 | 625 | 782 |
| 354 | Mechanics | 53 | 298 | 129 | 481 |
| 355 | Proteomics | 9 | 294 | 535 | 606 |
| 355 | Bacterial diseases | 3 | 294 | 252 | 88 |
| 357 | Proteome | 7 | 291 | 660 | 655 |
| 358 | Cardiovascular system | 3 | 290 | 1028 | 946 |
| 359 | drugs | 18 | 289 | 690 | 975 |
| 360 | Calculus of Variations | 8 | 288 | 302 | 165 |
| 361 | Signal Transduction | 5 | 287 | 979 | 896 |
| 361 | Herbal medicine | 8 | 287 | 328 | 382 |
| 363 | Industrial Safety | 8 | 286 | 633 | 515 |
| 363 | Securities | 7 | 286 | 116 | 119 |
| 365 | vibration | 15 | 285 | 450 | 595 |
| 366 | stocks | 5 | 282 | 45 | 40 |
| 367 | Enzyme inhibitors | 11 | 270 | 104 | 143 |
| 368 | Transportation | 11 | 268 | 827 | 892 |
| 368 | Aquaculture | 19 | 268 | 502 | 738 |
| 370 | Sociology | 22 | 265 | 997 | 1449 |
| 371 | starch | 16 | 264 | 69 | 115 |
| 372 | clay | 8 | 263 | 430 | 516 |
| 372 | Insects | 13 | 263 | 615 | 634 |
| 374 | Cellulose | 10 | 260 | 230 | 319 |
| 375 | Biopharmaceutics | 10 | 258 | 495 | 640 |
| 375 | Rheology | 3 | 258 | 561 | 256 |
| 377 | Computer-Aided Design | 13 | 256 | 487 | 569 |
| 378 | commerce | 15 | 255 | 561 | 833 |
| 378 | econometric models | 13 | 255 | 139 | 274 |
| 380 | Mineral resources | 8 | 253 | 260 | 364 |
| 381 | Developmental Immunology | 11 | 250 | 204 | 348 |
| 382 | Hypertension | 3 | 249 | 1089 | 952 |
| 383 | Pharmacy | 18 | 248 | 765 | 1125 |
| 384 | environmental indicators | 6 | 247 | 811 | 834 |
| 385 | Combinatorial optimization | 35 | 246 | 16 | 70 |
| 385 | micromechanics | 14 | 246 | 198 | 305 |
| 387 | Computational Intelligence | 16 | 244 | 137 | 243 |
| 388 | isomerism | 20 | 243 | 38 | 93 |
| 388 | Chirality | 20 | 243 | 38 | 93 |
| 390 | Human genetics | 1 | 242 | 1977 | 1617 |
| 391 | Plant cells | 2 | 240 | 1067 | 983 |
| 392 | Scheduling | 10 | 237 | 28 | 46 |
| 392 | Production Scheduling | 10 | 237 | 28 | 46 |
| 394 | Medical innovations | 6 | 236 | 545 | 799 |
| 395 | Cell differentiation | 12 | 234 | 680 | 1063 |
| 396 | peptides | 15 | 230 | 188 | 270 |
| 397 | pharmaceutical industry | 5 | 229 | 405 | 206 |
| 398 | Materials Engineering | 23 | 222 | 83 | 209 |
| 399 | Transnational corporations | 5 | 221 | 219 | 167 |
| 400 | Biogeochemistry | 7 | 219 | 667 | 804 |
| 400 | Money | 8 | 219 | 112 | 199 |
| 402 | free radicals | 11 | 214 | 650 | 1055 |
| 403 | Wireless Communication Systems | 16 | 210 | 1050 | 1341 |
| 404 | Cell cycle | 11 | 208 | 78 | 140 |
| 404 | cell proliferation | 11 | 208 | 85 | 151 |
| 406 | Liquid Crystals | 22 | 207 | 244 | 259 |
| 407 | dietary supplements | 7 | 205 | 444 | 522 |
| 407 | plant communities | 1 | 205 | 1437 | 841 |
| 409 | electric vehicles | 3 | 202 | 304 | 189 |
| 409 | Adhesion | 12 | 202 | 202 | 303 |
| 409 | adhesives | 12 | 202 | 216 | 307 |
| 409 | Entomology | 12 | 202 | 1147 | 1103 |
| 413 | Computer Vision | 11 | 201 | 536 | 818 |
| 414 | food contamination | 16 | 198 | 240 | 453 |
| 415 | Raman spectroscopy | 11 | 196 | 304 | 446 |
| 416 | Software Engineering | 9 | 191 | 550 | 600 |
| 417 | Remote Sensing | 4 | 189 | 1308 | 724 |
| 417 | Aging | 12 | 189 | 1182 | 1461 |
| 419 | Food service management | 1 | 187 | 793 | 428 |
| 420 | Plants | 4 | 185 | 1692 | 1410 |
| 421 | Structural dynamics | 12 | 183 | 448 | 763 |
| 422 | Computational Chemistry | 7 | 181 | 406 | 465 |
| 422 | Social Psychology | 10 | 181 | 1153 | 1477 |
| 424 | Logistics | 7 | 180 | 315 | 450 |
| 424 | Combinatorial analysis | 13 | 180 | 460 | 396 |
| 424 | cell physiology | 7 | 180 | 857 | 1102 |
| 427 | Australia | 11 | 179 | 832 | 934 |
| 428 | Econometrics | 12 | 175 | 660 | 742 |
| 428 | concrete | 2 | 175 | 1074 | 868 |
| 430 | Radio | 2 | 173 | 1518 | 986 |
| 431 | Multiphase Flow | 12 | 170 | 139 | 279 |
| 432 | Microfabrication | 5 | 169 | 222 | 169 |
| 432 | Mass Spectrometry | 17 | 169 | 424 | 697 |
| 434 | Textile industry | 5 | 165 | 349 | 189 |
| 435 | Meteorology | 2 | 163 | 2179 | 1640 |
| 435 | atmosphere | 2 | 163 | 921 | 569 |
| 437 | Microorganisms | 5 | 161 | 721 | 895 |
| 437 | city planning | 8 | 161 | 932 | 1054 |
| 439 | Cement | 1 | 159 | 867 | 613 |
| 440 | Genetic algorithms | 7 | 158 | 166 | 368 |
| 440 | Gerontology | 19 | 158 | 638 | 1034 |
| 442 | Geometry | 11 | 157 | 619 | 457 |
| 442 | Graph Theory | 13 | 157 | 289 | 296 |
| 444 | Oncogenes | 6 | 156 | 656 | 963 |
| 445 | United Kingdom | 4 | 154 | 1135 | 1023 |
| 446 | Decision making | 8 | 153 | 804 | 989 |
| 447 | Gene library | 4 | 151 | 52 | 63 |
| 448 | Nanomedicine | 6 | 150 | 77 | 189 |
| 448 | Swarm Intelligence | 9 | 150 | 79 | 234 |
| 448 | Genetic therapy | 9 | 150 | 507 | 768 |
| 451 | lasers | 15 | 148 | 960 | 1337 |
| 452 | arthritis | 1 | 146 | 1226 | 884 |
| 453 | Neurons | 1 | 144 | 743 | 822 |
| 454 | Soil Science | 6 | 143 | 1298 | 1466 |
| 454 | Psychophysiology | 5 | 143 | 1906 | 1931 |
| 456 | Virology | 6 | 141 | 1677 | 2079 |
| 456 | Edible plants | 1 | 141 | 491 | 160 |
| 458 | Pediatrics | 2 | 139 | 2144 | 1573 |
| 458 | Fishery management | 4 | 139 | 688 | 525 |
| 460 | Oxidation-reduction | 5 | 137 | 560 | 870 |
| 461 | Entropy | 15 | 136 | 333 | 636 |
| 462 | Stem cells | 6 | 135 | 831 | 1025 |
| 463 | Molecular evolution | 10 | 133 | 707 | 1307 |
| 464 | Geophysics | 5 | 132 | 2445 | 2353 |
| 464 | economic forecasting | 1 | 132 | 606 | 267 |
| 464 | Forecasting | 1 | 132 | 956 | 376 |
| 464 | plasma spraying | 8 | 132 | 93 | 145 |
| 468 | Nanoelectronics | 8 | 130 | 432 | 409 |
| 469 | Emerging infectious diseases | 5 | 129 | 176 | 265 |
| 469 | analysis | 2 | 129 | 429 | 336 |
| 471 | Antioxidants | 3 | 127 | 688 | 786 |
| 472 | Geriatrics | 16 | 126 | 1094 | 1817 |
| 472 | Solutions | 17 | 126 | 59 | 214 |
| 474 | Ocean Engineering | 12 | 125 | 856 | 1345 |
| 474 | Mitochondria | 1 | 125 | 501 | 245 |
| 474 | toxicity testing | 8 | 125 | 249 | 474 |
| 474 | economic analysis | 7 | 125 | 100 | 170 |
| 478 | Tourism | 6 | 124 | 1169 | 1548 |
| 478 | Job satisfaction | 1 | 124 | 225 | 179 |
| 478 | Computational Complexity | 16 | 124 | 289 | 568 |
| 478 | Work | 1 | 124 | 608 | 252 |
| 478 | job stress | 1 | 124 | 225 | 179 |
| 478 | Heterocyclic compounds | 16 | 124 | 306 | 479 |
| 484 | Medical Oncology | 3 | 123 | 1265 | 1187 |
| 484 | Health | 4 | 123 | 1693 | 1477 |
| 486 | Structural Engineering | 12 | 122 | 792 | 1183 |
| 486 | Smart Materials | 9 | 122 | 476 | 699 |
| 486 | multimedia | 6 | 122 | 323 | 487 |
| 486 | Interactive multimedia | 6 | 122 | 356 | 520 |
| 486 | gastrointestinal tract | 4 | 122 | 245 | 419 |
| 491 | Cognitive neuroscience | 12 | 121 | 452 | 885 |
| 491 | Neuroplasticity | 12 | 121 | 31 | 234 |
| 491 | Diet | 2 | 121 | 1983 | 1821 |
| 491 | human development | 12 | 121 | 339 | 727 |
| 491 | textile fibers | 12 | 121 | 131 | 190 |
| 496 | Urban Policy | 6 | 118 | 556 | 764 |
| 496 | Human-Computer Interaction | 6 | 118 | 1051 | 1262 |
| 498 | Marine Biology | 6 | 117 | 1728 | 1979 |
| 498 | ecosystem | 5 | 117 | 976 | 1267 |
| 500 | Telecommunication | 15 | 116 | 1184 | 1898 |
| 500 | Earth Sciences | 9 | 116 | 1909 | 2376 |
| 502 | Differential Equations | 12 | 114 | 499 | 702 |
| 503 | Ergonomics | 6 | 113 | 634 | 673 |
| 503 | infection | 7 | 113 | 893 | 1248 |
| 505 | Public Policy | 8 | 112 | 1000 | 1464 |
| 505 | food industry | 10 | 112 | 272 | 497 |
| 507 | Biotransformation | 10 | 111 | 15 | 46 |
| 507 | Carbohydrate | 2 | 111 | 46 | 72 |
| 507 | Carbohydrates | 2 | 111 | 511 | 388 |
| 507 | Steroids | 7 | 111 | 544 | 742 |
| 511 | Nuclear Fusion | 8 | 110 | 313 | 369 |
| 511 | Carcinogenesis | 1 | 110 | 1273 | 862 |
| 511 | mutagens | 1 | 110 | 986 | 738 |
| 514 | Tissue Engineering | 3 | 108 | 332 | 297 |
| 514 | Microbial Metabolism | 3 | 108 | 154 | 212 |
| 516 | Liver diseases | 2 | 107 | 1163 | 1136 |
| 517 | Data Mining | 8 | 106 | 904 | 1421 |
| 518 | Bioenergetics | 5 | 105 | 600 | 823 |
| 518 | Alzheimer's disease | 3 | 105 | 1178 | 822 |
| 520 | Database Management | 4 | 104 | 648 | 653 |
| 520 | Atomic spectroscopy | 10 | 104 | 600 | 850 |
| 522 | Food Microbiology | 5 | 103 | 888 | 1359 |
| 522 | Industry | 2 | 103 | 247 | 376 |
| 522 | Microscopy | 3 | 103 | 1369 | 946 |
| 525 | Communication | 10 | 102 | 1105 | 1648 |
| 526 | Atmospheric Chemistry | 4 | 100 | 716 | 920 |
| 527 | Land use | 3 | 99 | 1128 | 1162 |
| 527 | Bone diseases | 2 | 99 | 539 | 499 |
| 529 | Corporate Social Responsibility | 4 | 98 | 207 | 484 |
| 529 | environmental auditing | 4 | 98 | 219 | 487 |
| 531 | Structural design | 7 | 97 | 511 | 700 |
| 532 | Nonlinear mechanics | 10 | 96 | 159 | 360 |
| 533 | Green Technology | 4 | 95 | 277 | 351 |
| 533 | East Asia | 7 | 95 | 313 | 341 |
| 535 | Kinetics | 13 | 94 | 118 | 373 |
| 535 | infrared radiation | 8 | 94 | 295 | 376 |
| 535 | child abuse | 4 | 94 | 659 | 823 |
| 538 | Simulation Methods | 3 | 93 | 1033 | 835 |
| 538 | Consumer education | 2 | 93 | 471 | 421 |
| 540 | Bacteriology | 4 | 92 | 1424 | 1724 |
| 541 | Education | 9 | 91 | 2081 | 2463 |
| 541 | Social policy | 10 | 91 | 490 | 783 |
| 541 | Cognition | 6 | 91 | 1171 | 1455 |
| 541 | Insect biochemistry | 5 | 91 | 300 | 485 |
| 545 | Adolescent | 7 | 90 | 1245 | 1651 |
| 546 | Cytogenetics | 2 | 89 | 1320 | 1260 |
| 546 | Databases | 1 | 89 | 585 | 339 |
| 546 | Taste | 3 | 89 | 287 | 277 |
| 546 | international trade | 6 | 89 | 461 | 597 |
| 546 | flavor | 3 | 89 | 172 | 200 |
| 546 | smell | 3 | 89 | 287 | 277 |
| 546 | Arthropods | 4 | 89 | 166 | 143 |
| 553 | Atmospheric Physics | 3 | 88 | 1396 | 1400 |
| 553 | Medical Anthropology | 1 | 88 | 1716 | 1329 |
| 553 | gene therapy | 8 | 88 | 523 | 919 |
| 553 | antibiotics | 6 | 88 | 87 | 202 |
| 557 | Developmental Genetics | 1 | 87 | 646 | 587 |
| 557 | Drug targeting | 5 | 87 | 167 | 411 |
| 557 | Human Resources | 2 | 87 | 618 | 656 |
| 557 | viral genetics | 1 | 87 | 391 | 466 |
| 561 | Pathology | 4 | 86 | 1366 | 1598 |
| 561 | Visual Communication | 7 | 86 | 193 | 330 |
| 561 | Genetic translocation | 4 | 86 | 147 | 215 |
| 561 | Image enhancement | 7 | 86 | 142 | 302 |
| 561 | Monomers | 8 | 86 | 16 | 38 |
| 561 | plasmids | 4 | 86 | 147 | 215 |
| 567 | Diagnostic Imaging | 11 | 85 | 826 | 1412 |
| 568 | Regional Planning | 4 | 84 | 1242 | 1292 |
| 568 | Quantum Optics | 9 | 84 | 490 | 714 |
| 568 | Lightweight Materials | 2 | 84 | 37 | 26 |
| 568 | Laser Spectroscopy | 9 | 84 | 432 | 672 |
| 568 | Fluorescence | 4 | 84 | 368 | 332 |
| 568 | Agriculture | 10 | 84 | 1046 | 1862 |
| 574 | Neurophysiology | 6 | 83 | 1764 | 2334 |
| 574 | Molecular cloning | 7 | 83 | 874 | 1285 |
| 574 | Genetic recombination | 7 | 83 | 861 | 1271 |
| 574 | Intelligent Control Systems | 17 | 83 | 281 | 700 |
| 574 | Recombinant DNA | 7 | 83 | 926 | 1327 |
| 579 | Oncology | 4 | 82 | 1510 | 2076 |
| 579 | Human Geography | 5 | 82 | 817 | 899 |
| 579 | Biomolecules | 6 | 82 | 250 | 590 |
| 579 | Quantum theory | 1 | 82 | 1421 | 833 |
| 583 | Infrared spectroscopy | 5 | 81 | 170 | 295 |
| 584 | Liquid chromatography | 8 | 79 | 222 | 274 |
| 585 | Clinical Biochemistry | 2 | 78 | 1203 | 989 |
| 585 | Regeneration | 2 | 78 | 81 | 66 |
| 585 | Child welfare | 5 | 78 | 837 | 973 |
| 585 | Capital market | 8 | 78 | 181 | 510 |
| 589 | Statistics | 9 | 77 | 1532 | 1792 |
| 590 | Quantitative Research | 1 | 76 | 374 | 282 |
| 590 | Semiconductor industry | 3 | 76 | 556 | 459 |
| 592 | Industrial Design | 6 | 75 | 119 | 283 |
| 592 | Food Safety | 4 | 75 | 174 | 237 |
| 592 | Marine Biotechnology | 4 | 75 | 152 | 298 |
| 592 | Immunopathology | 1 | 75 | 1360 | 1067 |
| 592 | Diabetes mellitus | 2 | 75 | 1773 | 1735 |
| 592 | Immunochemistry | 6 | 75 | 638 | 881 |
| 592 | Methodology | 9 | 75 | 177 | 399 |
| 592 | Methods | 9 | 75 | 28 | 63 |
| 592 | Diabetes | 2 | 75 | 1816 | 1763 |
| 592 | Soil ecology | 2 | 75 | 932 | 952 |
| 602 | Pharmacokinetics | 4 | 74 | 670 | 965 |
| 602 | immunoassay | 5 | 74 | 106 | 109 |
| 604 | Clinical Psychology | 2 | 73 | 1277 | 1185 |
| 604 | Community Psychology | 2 | 73 | 659 | 564 |
| 606 | Evolutionary Genetics | 4 | 72 | 536 | 736 |
| 606 | Molecular Epidemiology | 4 | 72 | 536 | 736 |
| 606 | Soil biology | 1 | 72 | 1248 | 1140 |
| 609 | Operator theory | 8 | 70 | 192 | 219 |
| 609 | Oxidative stress | 5 | 70 | 607 | 1268 |
| 609 | Greenhouse gases | 3 | 70 | 274 | 425 |
| 609 | Fermentation | 3 | 70 | 220 | 223 |
| 609 | Chemical structure | 7 | 70 | 223 | 331 |
| 614 | Strategic planning | 5 | 69 | 570 | 855 |
| 614 | Sonochemistry | 4 | 69 | 533 | 1068 |
| 614 | North America | 4 | 69 | 684 | 703 |
| 614 | Sales management | 2 | 69 | 296 | 436 |
| 614 | population geography | 3 | 69 | 390 | 444 |
| 614 | selling | 2 | 69 | 296 | 436 |
| 620 | Algebra | 9 | 68 | 952 | 949 |
| 620 | Water quality | 4 | 68 | 130 | 223 |
| 620 | hazard mitigation | 3 | 68 | 962 | 1114 |
| 620 | Water chemistry | 4 | 68 | 215 | 337 |
| 620 | natural disasters | 3 | 68 | 1308 | 1493 |
| 625 | Financial Engineering | 3 | 67 | 102 | 194 |
| 625 | Water Microbiology | 1 | 67 | 875 | 548 |
| 627 | bioluminescence | 6 | 66 | 167 | 251 |
| 627 | impact | 1 | 66 | 498 | 428 |
| 629 | probabilities | 6 | 65 | 978 | 956 |
| 630 | Geography | 4 | 63 | 1691 | 1947 |
| 630 | Knowledge management | 2 | 63 | 589 | 335 |
| 630 | Bacteria | 1 | 63 | 540 | 533 |
| 633 | Development | 2 | 62 | 948 | 1020 |
| 633 | natural gas | 3 | 62 | 342 | 477 |
| 633 | Economic Assistance | 2 | 62 | 835 | 945 |
| 633 | world | 2 | 62 | 852 | 1039 |
| 637 | Evidence-Based Medicine | 3 | 61 | 666 | 829 |
| 638 | Humanities | 9 | 60 | 949 | 1450 |
| 638 | Systems Theory | 2 | 60 | 543 | 255 |
| 640 | Hematology | 4 | 59 | 1339 | 1685 |
| 641 | Statistical Mechanics | 6 | 58 | 457 | 574 |
| 641 | Radiopharmaceuticals | 5 | 58 | 197 | 188 |
| 641 | Radioisotopes | 5 | 58 | 794 | 902 |
| 641 | mathematical concepts | 3 | 58 | 399 | 341 |
| 645 | Schizophrenia | 1 | 57 | 1202 | 1071 |
| 645 | Chemical reactors | 16 | 57 | 15 | 64 |
| 645 | Europe | 8 | 57 | 1728 | 2503 |
| 648 | Food Preservation | 7 | 56 | 458 | 790 |
| 648 | Heterocyclic chemistry | 5 | 56 | 357 | 380 |
| 650 | Protozoa | 2 | 55 | 502 | 528 |
| 650 | Hormones | 4 | 55 | 944 | 1308 |
| 650 | International Business | 4 | 55 | 74 | 181 |
| 650 | Safety management | 4 | 55 | 461 | 557 |
| 650 | color | 3 | 55 | 232 | 247 |
| 655 | Stochastic Processes | 2 | 54 | 1149 | 906 |
| 655 | complementary therapies | 3 | 54 | 1636 | 1926 |
| 655 | Eastern Europe | 5 | 54 | 599 | 650 |
| 655 | Semantic web | 2 | 54 | 117 | 142 |
| 655 | Autonomous robots | 1 | 54 | 328 | 288 |
| 660 | Health Information Management | 1 | 53 | 661 | 850 |
| 660 | drug resistance | 3 | 53 | 672 | 946 |
| 660 | Environmental Geochemistry | 3 | 53 | 559 | 771 |
| 660 | Communication in marketing | 2 | 53 | 203 | 229 |
| 660 | Roads | 2 | 53 | 759 | 580 |
| 660 | Minerals | 3 | 53 | 795 | 1018 |
| 666 | Mineralogy | 4 | 52 | 1097 | 1309 |
| 666 | older people | 9 | 52 | 837 | 1284 |
| 666 | Oxidation | 3 | 52 | 142 | 197 |
| 669 | Alternative Medicine | 2 | 51 | 1776 | 1883 |
| 669 | Industrial Policy | 4 | 51 | 423 | 606 |
| 669 | extraterrestrial environment | 4 | 51 | 474 | 622 |
| 669 | astronomical phenomena | 4 | 51 | 423 | 574 |
| 673 | Structural health monitoring | 4 | 50 | 166 | 339 |
| 673 | Biomechanics | 4 | 50 | 1067 | 1454 |
| 673 | Metallic Glasses | 3 | 50 | 439 | 559 |
| 673 | Radiation | 3 | 50 | 2040 | 2014 |
| 673 | structural stability | 4 | 50 | 273 | 493 |
| 673 | Cell survival | 2 | 50 | 257 | 364 |
| 673 | planning | 2 | 50 | 980 | 878 |
| 673 | Economic planning | 2 | 50 | 682 | 727 |
| 673 | molecular chaperones | 2 | 50 | 300 | 367 |
| 682 | Computer Architecture | 4 | 49 | 466 | 515 |
| 682 | Regenerative Medicine | 2 | 49 | 174 | 160 |
| 682 | Telemedicine | 3 | 49 | 291 | 482 |
| 682 | Inflammation | 2 | 49 | 1175 | 1426 |
| 682 | machinery | 4 | 49 | 693 | 898 |
| 687 | Quality of life | 7 | 46 | 863 | 1889 |
| 688 | Traffic Engineering | 1 | 45 | 732 | 649 |
| 688 | Active Learning | 1 | 45 | 172 | 162 |
| 688 | Electronic Packaging | 3 | 45 | 213 | 256 |
| 688 | Thin Films | 8 | 45 | 228 | 549 |
| 688 | Microprocessors | 3 | 45 | 621 | 697 |
| 688 | Aerosols | 1 | 45 | 826 | 643 |
| 688 | global environmental change | 2 | 45 | 953 | 1253 |
| 688 | innovation | 3 | 45 | 617 | 996 |
| 688 | research and development | 3 | 45 | 309 | 536 |
| 697 | Polymer Engineering | 6 | 44 | 31 | 120 |
| 697 | Hemodynamics | 1 | 44 | 764 | 804 |
| 697 | data collection | 2 | 44 | 1316 | 1428 |
| 697 | plant molecular biology | 2 | 44 | 1581 | 2012 |
| 701 | Planets | 1 | 43 | 1760 | 1763 |
| 702 | scientific societies | 1 | 42 | 1141 | 915 |
| 702 | Imaging systems | 15 | 42 | 175 | 776 |
| 702 | Nanotubes | 4 | 42 | 134 | 167 |
| 705 | Financial management | 1 | 41 | 819 | 774 |
| 705 | Asymmetric synthesis | 1 | 41 | 266 | 113 |
| 705 | heredity | 3 | 41 | 612 | 770 |
| 708 | Educational Technology | 2 | 40 | 1983 | 2095 |
| 708 | Sedimentology | 1 | 40 | 995 | 879 |
| 708 | Veterinary Immunology | 2 | 40 | 398 | 466 |
| 708 | consumer behavior | 3 | 40 | 552 | 922 |
| 708 | Mental Health Services | 3 | 40 | 1051 | 1396 |
| 713 | Medical genetics | 1 | 39 | 2394 | 2445 |
| 713 | Nuclear Chemistry | 5 | 39 | 834 | 1052 |
| 713 | Radiochemistry | 5 | 39 | 751 | 957 |
| 713 | Marine Pollution | 1 | 39 | 1805 | 1771 |
| 717 | Ophthalmology | 1 | 38 | 1909 | 1741 |
| 717 | Nuclear Engineering | 8 | 38 | 894 | 1424 |
| 717 | Quantum Chemistry | 1 | 38 | 320 | 245 |
| 717 | Diagnosis | 3 | 38 | 362 | 526 |
| 717 | Family | 3 | 38 | 942 | 1203 |
| 717 | families | 3 | 38 | 864 | 985 |
| 723 | Serology | 2 | 37 | 614 | 766 |
| 723 | Spectroscopy | 3 | 37 | 154 | 75 |
| 723 | Africa | 1 | 37 | 2370 | 1478 |
| 723 | Muscle contraction | 4 | 37 | 260 | 244 |
| 723 | Genes | 2 | 37 | 1223 | 1391 |
| 728 | Radiology | 1 | 36 | 1722 | 1297 |
| 728 | Land Use Planning | 1 | 36 | 634 | 646 |
| 728 | cosmic rays | 1 | 36 | 695 | 516 |
| 728 | Mutagenesis | 3 | 36 | 408 | 634 |
| 728 | Supramolecular chemistry | 3 | 36 | 233 | 278 |
| 728 | teratogenic agents | 3 | 36 | 199 | 325 |
| 728 | Continuum Mechanics | 9 | 36 | 60 | 229 |
| 728 | Screening | 1 | 36 | 356 | 291 |
| 728 | cell membrane | 1 | 36 | 753 | 774 |
| 737 | Cloud Computing | 1 | 35 | 646 | 629 |
| 737 | foreign exchange | 3 | 35 | 357 | 597 |
| 737 | Matroids | 1 | 35 | 404 | 323 |
| 737 | gene transfer | 1 | 35 | 451 | 412 |
| 737 | genetic transformation | 1 | 35 | 451 | 412 |
| 742 | Astronomy | 3 | 34 | 2266 | 2635 |
| 742 | Hematopoietic stem cell transplantation | 2 | 34 | 483 | 688 |
| 742 | Drying | 2 | 34 | 481 | 594 |
| 742 | Brain | 3 | 34 | 2121 | 2763 |
| 742 | Vocational guidance | 2 | 34 | 1049 | 1240 |
| 742 | Lipids | 2 | 34 | 1383 | 1709 |
| 748 | Occupational Therapy | 1 | 33 | 1577 | 967 |
| 748 | Occupational Health | 1 | 33 | 1680 | 1245 |
| 748 | Genetic epidemiology | 1 | 33 | 367 | 373 |
| 748 | industrial hygiene | 1 | 33 | 1682 | 1088 |
| 748 | Sulfur | 3 | 33 | 102 | 114 |
| 753 | Phytochemistry | 2 | 32 | 397 | 611 |
| 753 | Geriatric Psychiatry | 2 | 32 | 1040 | 1290 |
| 753 | Mental Health | 2 | 32 | 1789 | 1930 |
| 753 | Natural resources | 4 | 32 | 625 | 1148 |
| 753 | Phytoremediation | 2 | 32 | 397 | 611 |
| 753 | environmental remediation | 2 | 32 | 480 | 692 |
| 753 | Bioreactors | 2 | 32 | 397 | 611 |
| 753 | Happiness | 3 | 32 | 440 | 876 |
| 753 | visualization | 5 | 32 | 1054 | 1130 |
| 762 | Neurobiology | 1 | 31 | 1905 | 1984 |
| 762 | Genetic Toxicology | 4 | 31 | 327 | 860 |
| 762 | Chromosomes | 4 | 31 | 737 | 1304 |
| 765 | Computer Engineering | 4 | 30 | 834 | 1392 |
| 765 | Elderly | 7 | 30 | 747 | 1057 |
| 765 | Capitalism | 3 | 30 | 165 | 293 |
| 768 | Institutional Economics | 2 | 29 | 83 | 51 |
| 768 | Semantics | 1 | 29 | 429 | 312 |
| 768 | industrial relations | 1 | 29 | 1317 | 1094 |
| 768 | Middle East | 2 | 29 | 1285 | 1145 |
| 768 | North Africa | 2 | 29 | 238 | 107 |
| 773 | Astrophysics | 5 | 28 | 2242 | 3025 |
| 773 | Total Quality Management | 1 | 28 | 1079 | 1050 |
| 773 | drug development | 1 | 28 | 1301 | 1468 |
| 776 | Educational Psychology | 3 | 27 | 1356 | 1877 |
| 776 | cell interaction | 1 | 27 | 1364 | 1516 |
| 776 | Evolution equations | 1 | 27 | 352 | 204 |
| 776 | Culture techniques | 1 | 27 | 466 | 413 |
| 776 | Cell communication | 1 | 27 | 909 | 1080 |
| 776 | Egypt | 4 | 27 | 414 | 1129 |
| 782 | Endocrinology | 2 | 26 | 2461 | 3043 |
| 782 | Globalization | 3 | 26 | 545 | 957 |
| 782 | Microfluidics | 1 | 26 | 407 | 441 |
| 782 | biological evolution | 1 | 26 | 2577 | 2772 |
| 782 | amino acids | 3 | 26 | 556 | 1030 |
| 787 | Zoology | 3 | 25 | 2302 | 2721 |
| 787 | Optical Communications | 4 | 25 | 658 | 1009 |
| 787 | Artificial Organs | 1 | 25 | 828 | 742 |
| 787 | Mycology | 5 | 25 | 1145 | 2004 |
| 787 | Family Therapy | 4 | 25 | 605 | 1022 |
| 787 | child mental health | 4 | 25 | 391 | 787 |
| 787 | feeding behavior | 1 | 25 | 1095 | 1245 |
| 787 | Appetite | 1 | 25 | 984 | 1138 |
| 795 | Terahertz Technology | 1 | 24 | 293 | 316 |
| 795 | Integrative Medicine | 2 | 24 | 345 | 388 |
| 795 | Financial Institutions | 2 | 24 | 524 | 702 |
| 795 | Information management | 1 | 24 | 191 | 167 |
| 795 | Extreme environments | 2 | 24 | 285 | 571 |
| 800 | Nursing | 2 | 23 | 2125 | 2288 |
| 800 | Power Electronics | 1 | 23 | 1379 | 1438 |
| 800 | Risk Management | 1 | 23 | 1192 | 1168 |
| 800 | Ion Exchange | 1 | 23 | 216 | 196 |
| 800 | Turbulence | 1 | 23 | 400 | 386 |
| 800 | Solvent extraction | 1 | 23 | 216 | 196 |
| 800 | Southeast Asia | 1 | 23 | 717 | 529 |
| 800 | Respiration | 1 | 23 | 1744 | 1879 |
| 800 | biological monitoring | 1 | 23 | 884 | 1037 |
| 800 | educational innovations | 4 | 23 | 435 | 950 |
| 800 | silicon | 2 | 23 | 478 | 601 |
| 811 | Freeze-Drying | 2 | 22 | 466 | 705 |
| 811 | Hypothermia | 2 | 22 | 466 | 705 |
| 811 | Freeze Drying | 2 | 22 | 466 | 705 |
| 811 | sadness | 1 | 22 | 510 | 495 |
| 811 | Small Business | 1 | 22 | 1143 | 1430 |
| 811 | scientific research | 1 | 22 | 127 | 91 |
| 811 | death | 1 | 22 | 645 | 583 |
| 811 | Trace elements | 4 | 22 | 203 | 689 |
| 811 | Suicide | 1 | 22 | 898 | 946 |
| 811 | antisocial personality disorder | 1 | 22 | 510 | 495 |
| 821 | Criminology | 1 | 21 | 1342 | 1200 |
| 821 | Thrombosis | 1 | 21 | 1160 | 1268 |
| 821 | Integrated Circuits | 2 | 21 | 977 | 893 |
| 821 | monoclonal antibodies | 1 | 21 | 475 | 446 |
| 821 | vascular diseases | 1 | 21 | 871 | 1056 |
| 826 | Energy Consumption | 2 | 20 | 487 | 896 |
| 826 | Therapeutics | 2 | 20 | 1517 | 2128 |
| 826 | organization | 1 | 20 | 1265 | 1394 |
| 829 | Ethics | 2 | 19 | 1114 | 1436 |
| 829 | Health Services Research | 1 | 19 | 2203 | 2234 |
| 829 | Algorithms | 3 | 19 | 754 | 1084 |
| 829 | Municipal Engineering | 1 | 19 | 704 | 878 |
| 829 | Sustainable agriculture | 2 | 19 | 894 | 1396 |
| 829 | Crowdsourcing | 1 | 19 | 35 | 34 |
| 829 | Collective behavior | 1 | 19 | 209 | 259 |
| 829 | Primary health care | 1 | 19 | 2331 | 2396 |
| 829 | Visual Perception | 5 | 19 | 1009 | 1870 |
| 829 | Interfaces | 1 | 19 | 655 | 653 |
| 829 | Student Health Services | 1 | 19 | 490 | 561 |
| 829 | explosives | 3 | 19 | 176 | 273 |
| 829 | Export Marketing | 1 | 19 | 452 | 590 |
| 829 | Memory | 5 | 19 | 1117 | 2145 |
| 829 | Attention | 5 | 19 | 1054 | 2022 |
| 829 | Perception | 5 | 19 | 1136 | 2077 |
| 845 | Food Science | 2 | 18 | 289 | 470 |
| 845 | Macroeconomics | 2 | 18 | 495 | 612 |
| 845 | Risk assessment | 1 | 18 | 1167 | 1225 |
| 845 | ecological risk assessment | 1 | 18 | 530 | 652 |
| 845 | Employee selection | 1 | 18 | 245 | 330 |
| 845 | aromatic plants | 3 | 18 | 222 | 430 |
| 845 | Health Risk Assessment | 1 | 18 | 903 | 977 |
| 845 | Petroleum | 8 | 18 | 122 | 420 |
| 845 | Fungi | 4 | 18 | 824 | 1608 |
| 854 | Inventory Control | 1 | 17 | 177 | 329 |
| 854 | Clinical Pharmacology | 1 | 17 | 1609 | 1782 |
| 854 | Computational Fluid Dynamics | 2 | 17 | 776 | 1135 |
| 854 | Ferroelectricity | 4 | 17 | 872 | 1277 |
| 854 | Population | 3 | 17 | 839 | 1570 |
| 859 | Quantum electronics | 2 | 16 | 1805 | 2096 |
| 859 | Urban Geography | 1 | 16 | 417 | 507 |
| 859 | Developmental Biology | 1 | 16 | 2290 | 2682 |
| 859 | Speech Perception | 3 | 16 | 330 | 687 |
| 859 | auditory perception | 3 | 16 | 401 | 798 |
| 859 | Sensor Networks | 5 | 16 | 152 | 500 |
| 859 | Food texture | 1 | 16 | 323 | 428 |
| 859 | Plant breeding | 2 | 16 | 867 | 1334 |
| 859 | Cosmochemistry | 1 | 16 | 1248 | 1531 |
| 859 | Sound | 5 | 16 | 797 | 1441 |
| 859 | personality | 4 | 16 | 1247 | 2288 |
| 859 | Oral communication | 3 | 16 | 443 | 811 |
| 859 | Microstructure | 2 | 16 | 1167 | 1452 |
| 859 | ozone | 1 | 16 | 260 | 337 |
| 859 | Speech | 3 | 16 | 844 | 1380 |
| 874 | Nanophotonics | 1 | 15 | 558 | 712 |
| 874 | Discrete Mathematics | 4 | 15 | 287 | 435 |
| 874 | economic indicators | 2 | 15 | 133 | 239 |
| 874 | Substance Abuse | 1 | 15 | 1853 | 2007 |
| 874 | DNS | 1 | 15 | 809 | 1013 |
| 874 | graph | 4 | 15 | 287 | 435 |
| 874 | Futures | 1 | 15 | 543 | 604 |
| 874 | Statistical models | 1 | 15 | 204 | 232 |
| 874 | wood | 2 | 15 | 559 | 799 |
| 874 | DNA | 1 | 15 | 983 | 1111 |
| 884 | Information Theory | 4 | 14 | 1180 | 1908 |
| 884 | Economic Geography | 2 | 14 | 462 | 715 |
| 884 | Physical Geography | 1 | 14 | 866 | 995 |
| 884 | Urban Economics | 2 | 14 | 445 | 734 |
| 884 | Agricultural Ecology | 2 | 14 | 1192 | 2013 |
| 884 | Digital electronics | 3 | 14 | 315 | 514 |
| 884 | Computational Mathematics | 2 | 14 | 141 | 271 |
| 884 | Labor Economics | 2 | 14 | 623 | 863 |
| 884 | Child | 2 | 14 | 2295 | 2987 |
| 884 | Synchrotron Radiation | 2 | 14 | 445 | 652 |
| 884 | Urbanization | 2 | 14 | 242 | 482 |
| 884 | cooperation | 1 | 14 | 313 | 276 |
| 884 | glycoproteins | 1 | 14 | 681 | 885 |
| 884 | Glycoconjugates | 1 | 14 | 681 | 885 |
| 884 | Oligosaccharides | 1 | 14 | 445 | 595 |
| 884 | water reuse | 1 | 14 | 678 | 952 |
| 884 | Ventilation | 3 | 14 | 520 | 1063 |
| 884 | Jurisprudence | 2 | 14 | 1058 | 1371 |
| 884 | glycolipids | 1 | 14 | 681 | 885 |
| 903 | Public Administration | 3 | 13 | 1333 | 1950 |
| 903 | occupational diseases | 1 | 13 | 1189 | 1588 |
| 903 | Global warming | 1 | 13 | 342 | 355 |
| 903 | Welding | 2 | 13 | 318 | 420 |
| 903 | water supply | 2 | 13 | 998 | 1647 |
| 903 | nucleotides | 2 | 13 | 399 | 512 |
| 903 | Iron | 4 | 13 | 252 | 574 |
| 903 | violence | 1 | 13 | 1487 | 1743 |
| 903 | sex crimes | 1 | 13 | 1024 | 1262 |
| 903 | Population Dynamics | 1 | 13 | 353 | 464 |
| 913 | Architecture | 1 | 12 | 893 | 776 |
| 913 | Neuropsychology | 2 | 12 | 2263 | 3144 |
| 913 | Environmental Geology | 2 | 12 | 1893 | 2719 |
| 913 | Telecommunications | 2 | 12 | 1026 | 1458 |
| 913 | Computational Linguistics | 2 | 12 | 741 | 1019 |
| 913 | Flow chemistry | 3 | 12 | 23 | 98 |
| 913 | Friction | 1 | 12 | 251 | 422 |
| 913 | Probiotics | 1 | 12 | 428 | 686 |
| 913 | Building | 1 | 12 | 900 | 927 |
| 913 | health services | 1 | 12 | 1588 | 1872 |
| 913 | Soviet Union | 2 | 12 | 887 | 1056 |
| 924 | Social Choice Theory | 1 | 11 | 426 | 425 |
| 924 | Nuclear Energy | 4 | 11 | 812 | 1502 |
| 924 | Project Management | 3 | 11 | 277 | 839 |
| 924 | Welfare Economics | 1 | 11 | 679 | 765 |
| 924 | Metastasis | 1 | 11 | 312 | 604 |
| 924 | Alloys | 2 | 11 | 382 | 479 |
| 924 | India | 3 | 11 | 1515 | 2296 |
| 931 | Earthquake Engineering | 3 | 10 | 1251 | 2032 |
| 931 | Organizational Behavior | 1 | 10 | 869 | 1119 |
| 931 | Coastal zone management | 1 | 10 | 1112 | 1499 |
| 931 | Advertising | 3 | 10 | 297 | 804 |
| 931 | adolescence | 2 | 10 | 1079 | 1794 |
| 931 | Adolescent Psychology | 2 | 10 | 941 | 1541 |
| 931 | elasticity | 7 | 10 | 124 | 486 |
| 931 | Electromagnetic fields | 1 | 10 | 724 | 640 |
| 931 | Youth | 2 | 10 | 801 | 1423 |
| 931 | biological agents | 4 | 10 | 589 | 999 |
| 931 | RNA | 1 | 10 | 754 | 1034 |
| 931 | vitamin C | 1 | 10 | 706 | 1058 |
| 931 | vitamin E | 1 | 10 | 706 | 1058 |
| 944 | Public Relations | 1 | 9 | 808 | 1026 |
| 944 | Computational neuroscience | 1 | 9 | 70 | 111 |
| 944 | Religion and Sociology | 1 | 9 | 473 | 424 |
| 944 | Crystallography | 7 | 9 | 1124 | 1995 |
| 944 | data analysis | 1 | 9 | 9 | 16 |
| 944 | Sports | 2 | 9 | 2230 | 2739 |
| 944 | monitoring | 1 | 9 | 467 | 593 |
| 944 | Detergents | 7 | 9 | 21 | 120 |
| 944 | Refractory materials | 2 | 9 | 178 | 246 |
| 944 | brain mapping | 1 | 9 | 799 | 1125 |
| 944 | ground penetrating radar | 1 | 9 | 147 | 197 |
| 944 | liver | 1 | 9 | 481 | 670 |
| 956 | Orthopedics | 1 | 8 | 1678 | 2022 |
| 956 | Planetary Science | 1 | 8 | 778 | 973 |
| 956 | Mobile Computing | 2 | 8 | 1294 | 1946 |
| 956 | Software Maintenance | 2 | 8 | 245 | 490 |
| 956 | Health Policy | 1 | 8 | 2868 | 3391 |
| 956 | Plant Taxonomy | 1 | 8 | 628 | 795 |
| 956 | Neurotoxicology | 1 | 8 | 961 | 1489 |
| 956 | Orthopedic Surgery | 1 | 8 | 1009 | 1234 |
| 956 | Behavioral research | 1 | 8 | 1167 | 1538 |
| 956 | Transgenic plants | 1 | 8 | 726 | 1071 |
| 956 | Cell surface receptors | 1 | 8 | 264 | 431 |
| 956 | Breeding | 1 | 8 | 1626 | 2071 |
| 956 | Digestive system diseases | 1 | 8 | 1071 | 1367 |
| 956 | cosmetics | 3 | 8 | 148 | 539 |
| 970 | Quantum Mechanics | 1 | 7 | 356 | 360 |
| 970 | Molecular recognition | 1 | 7 | 449 | 733 |
| 970 | Indoor air quality | 1 | 7 | 204 | 304 |
| 970 | Ecosystem management | 3 | 7 | 657 | 1512 |
| 970 | Air Conditioning | 1 | 7 | 384 | 514 |
| 970 | Ornithology | 1 | 7 | 1342 | 1527 |
| 970 | Fixed Point Theory | 1 | 7 | 582 | 578 |
| 970 | Optoelectronic devices | 1 | 7 | 1553 | 1744 |
| 970 | nuclear power | 2 | 7 | 559 | 809 |
| 970 | indoor air pollution | 2 | 7 | 472 | 1047 |
| 970 | Sick building syndrome | 2 | 7 | 472 | 1047 |
| 970 | heating | 1 | 7 | 304 | 429 |
| 970 | Birds | 1 | 7 | 1536 | 1712 |
| 970 | Investments | 2 | 7 | 707 | 1358 |
| 984 | Audiology | 1 | 6 | 1006 | 1257 |
| 984 | Environmental Ethics | 2 | 6 | 210 | 450 |
| 984 | Forest Ecology | 1 | 6 | 1471 | 2037 |
| 984 | Boundary Value Problems | 2 | 6 | 958 | 1470 |
| 984 | Ethnic relations | 1 | 6 | 1048 | 1165 |
| 984 | Industrial Ecology | 1 | 6 | 323 | 571 |
| 984 | Ethnic Conflict | 1 | 6 | 468 | 707 |
| 984 | civil rights | 1 | 6 | 713 | 918 |
| 984 | Program Evaluation | 1 | 6 | 187 | 333 |
| 984 | Portfolio Management | 1 | 6 | 505 | 559 |
| 984 | Sexuality | 1 | 6 | 565 | 793 |
| 984 | animals | 1 | 6 | 1790 | 2204 |
| 984 | forced migration | 1 | 6 | 468 | 707 |
| 984 | evaluation | 1 | 6 | 329 | 518 |
| 984 | race relations | 1 | 6 | 950 | 1153 |
| 984 | sexual behavior | 1 | 6 | 1076 | 1510 |
| 1000 | Dermatology | 1 | 5 | 1794 | 2241 |