270.2K(top 0.1%)
papers
6.7M(top 0.1%)
citations
547(top 1%)
h-index
873(top 1%)
g-index
318.2K
all documents
7.5M
doc citations
39.0K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 4 | Science | 3,696 | 288.4K | 56 | 91 |
| 7 | Materials | 4,505 | 187.9K | 9 | 20 |
| 9 | Spectrum analysis | 3,672 | 153.5K | 12 | 36 |
| 12 | Natural history | 500 | 138.5K | 110 | 103 |
| 20 | Condensed Matter | 4,136 | 88.1K | 6 | 40 |
| 22 | polymerization | 3,210 | 84.1K | 5 | 5 |
| 24 | Biocompatible Materials | 1,772 | 80.9K | 9 | 21 |
| 30 | plant molecular biology | 958 | 64.9K | 4 | 8 |
| 32 | Colloids | 2,179 | 61.7K | 3 | 6 |
| 35 | nanoscience | 1,110 | 59.8K | 9 | 16 |
| 38 | Statistical physics | 2,884 | 58.5K | 4 | 16 |
| 42 | Research | 2,042 | 55.4K | 77 | 154 |
| 45 | Optical materials | 1,347 | 53.8K | 4 | 12 |
| 46 | Japan | 4,407 | 53.2K | 3 | 3 |
| 47 | Plant cells | 488 | 52.4K | 10 | 13 |
| 48 | Pollution | 1,091 | 50.0K | 36 | 74 |
| 54 | Environment | 840 | 43.2K | 52 | 99 |
| 55 | Planets | 1,248 | 39.0K | 10 | 28 |
| 56 | Technology | 2,752 | 38.1K | 6 | 13 |
| 59 | Growth | 736 | 35.7K | 4 | 26 |
| 61 | Plants | 477 | 34.8K | 19 | 17 |
| 64 | Bioorganic chemistry | 1,020 | 33.2K | 6 | 6 |
| 67 | nucleic acids | 432 | 30.7K | 18 | 50 |
| 68 | environmental pollution | 688 | 28.4K | 36 | 44 |
| 72 | Composite Materials | 753 | 27.5K | 12 | 23 |
| 74 | Cell differentiation | 325 | 26.1K | 37 | 52 |
| 80 | Mycology | 329 | 22.0K | 15 | 7 |
| 83 | Magnetic Materials | 604 | 21.4K | 3 | 4 |
| 84 | Fungi | 301 | 21.3K | 7 | 6 |
| 86 | Genes | 622 | 20.9K | 2 | 3 |
| 88 | Metals | 993 | 19.9K | 16 | 54 |
| 91 | Chemical industry | 1,483 | 18.8K | 1 | 1 |
| 94 | biological evolution | 465 | 18.2K | 18 | 91 |
| 95 | Carbon | 381 | 18.0K | 6 | 9 |
| 98 | actuators | 511 | 17.7K | 5 | 8 |
| 98 | transducers | 511 | 17.7K | 5 | 8 |
| 100 | Earth Sciences | 679 | 17.5K | 19 | 87 |
| 105 | miniaturization | 411 | 16.9K | 16 | 70 |
| 107 | Molecular structure | 495 | 16.8K | 11 | 39 |
| 112 | Nanoparticles | 438 | 15.2K | 9 | 21 |
| 120 | Nanostructures | 561 | 14.3K | 5 | 40 |
| 129 | Organometallic compounds | 479 | 12.5K | 2 | 3 |
| 130 | Immunity | 81 | 12.3K | 311 | 247 |
| 132 | Meteorites | 275 | 12.2K | 29 | 61 |
| 135 | Genetic regulation | 141 | 11.6K | 39 | 62 |
| 139 | System analysis | 678 | 11.3K | 5 | 13 |
| 146 | Fractals | 496 | 10.8K | 2 | 2 |
| 147 | fuel cells | 245 | 10.8K | 12 | 49 |
| 148 | Evolution | 320 | 10.7K | 32 | 128 |
| 150 | natural products | 312 | 10.5K | 16 | 12 |
| 151 | Telecommunication | 925 | 10.4K | 7 | 10 |
| 154 | cell physiology | 147 | 10.3K | 76 | 74 |
| 158 | proteins | 442 | 10.1K | 12 | 57 |
| 159 | biopolymers | 262 | 10.0K | 7 | 6 |
| 161 | mathematical analysis | 1,139 | 10.0K | 4 | 8 |
| 162 | Gene expression regulation | 124 | 10.0K | 40 | 66 |
| 167 | Soft Condensed Matter | 260 | 9.4K | 5 | 7 |
| 168 | Information Science | 331 | 9.3K | 14 | 38 |
| 170 | biological factors | 184 | 9.1K | 27 | 16 |
| 174 | Geodynamics | 392 | 8.9K | 6 | 21 |
| 176 | Solitons | 403 | 8.8K | 2 | 3 |
| 176 | Chaos | 403 | 8.8K | 2 | 3 |
| 179 | plant communities | 127 | 8.7K | 31 | 27 |
| 184 | Photobiology | 390 | 8.5K | 2 | 4 |
| 185 | Chemical analysis | 421 | 8.5K | 4 | 3 |
| 186 | health planning | 554 | 8.4K | 4 | 14 |
| 190 | Food | 231 | 8.0K | 95 | 118 |
| 192 | Brain | 235 | 7.8K | 184 | 262 |
| 193 | lasers | 844 | 7.8K | 7 | 8 |
| 194 | Bioelectronics | 123 | 7.8K | 21 | 20 |
| 197 | China | 436 | 7.5K | 73 | 78 |
| 198 | viral genetics | 42 | 7.5K | 65 | 67 |
| 200 | Nervous system | 149 | 7.3K | 185 | 239 |
| 202 | protein | 302 | 7.0K | 7 | 51 |
| 204 | catalytic activity | 218 | 6.9K | 3 | 6 |
| 206 | Membranes | 257 | 6.9K | 36 | 117 |
| 208 | Sports | 235 | 6.8K | 56 | 74 |
| 210 | Molecules | 491 | 6.7K | 4 | 36 |
| 212 | Biodiversity | 197 | 6.7K | 45 | 117 |
| 218 | Bioinformatics | 237 | 6.4K | 41 | 212 |
| 220 | Light | 120 | 6.4K | 22 | 71 |
| 225 | Environmental pollutants | 172 | 6.3K | 54 | 59 |
| 226 | Plant diseases | 262 | 6.3K | 78 | 101 |
| 228 | Crystallography | 758 | 6.1K | 3 | 47 |
| 229 | Behavior | 102 | 6.1K | 441 | 374 |
| 230 | Psychophysiology | 192 | 5.9K | 279 | 398 |
| 232 | Reproduction | 178 | 5.9K | 144 | 164 |
| 233 | Algae | 311 | 5.9K | 4 | 14 |
| 234 | Recombinant DNA | 183 | 5.9K | 19 | 30 |
| 239 | Raman spectroscopy | 199 | 5.7K | 1 | 4 |
| 240 | Entomology | 425 | 5.7K | 53 | 93 |
| 241 | gene mapping | 150 | 5.7K | 93 | 187 |
| 242 | Neurons | 34 | 5.7K | 179 | 214 |
| 243 | Ultrasonics | 139 | 5.7K | 9 | 14 |
| 246 | Surface properties | 165 | 5.5K | 7 | 9 |
| 248 | Cancer | 132 | 5.4K | 601 | 687 |
| 251 | Ceramic materials | 252 | 5.3K | 10 | 23 |
| 252 | Immune system | 30 | 5.3K | 264 | 225 |
| 255 | Evolutionary Computation | 37 | 5.2K | 28 | 8 |
| 257 | Crystal growth | 244 | 5.2K | 3 | 14 |
| 263 | energy development | 35 | 5.1K | 63 | 50 |
| 266 | Marine Pollution | 120 | 5.0K | 23 | 35 |
| 269 | Swarm Intelligence | 30 | 4.9K | 14 | 6 |
| 270 | Fuzzy systems | 391 | 4.9K | 5 | 7 |
| 271 | genome | 108 | 4.9K | 112 | 279 |
| 274 | computer networks | 237 | 4.9K | 34 | 63 |
| 275 | Sonochemistry | 82 | 4.8K | 8 | 10 |
| 279 | Plastics | 223 | 4.7K | 21 | 29 |
| 281 | Solar System | 167 | 4.6K | 59 | 97 |
| 282 | enzymes | 203 | 4.6K | 19 | 53 |
| 283 | Microorganisms | 91 | 4.6K | 76 | 112 |
| 286 | Phylogeny | 111 | 4.6K | 22 | 41 |
| 287 | Asia | 221 | 4.6K | 61 | 51 |
| 288 | Glass | 197 | 4.6K | 42 | 80 |
| 289 | pottery | 196 | 4.6K | 40 | 79 |
| 290 | Molecular Spectroscopy | 271 | 4.5K | 14 | 34 |
| 291 | human behavior | 92 | 4.5K | 292 | 351 |
| 292 | Luminescence | 349 | 4.5K | 4 | 9 |
| 293 | pollutants | 141 | 4.5K | 55 | 80 |
| 294 | United States | 163 | 4.5K | 548 | 579 |
| 296 | Chromosome mapping | 133 | 4.4K | 81 | 156 |
| 299 | Magnetic Resonance Spectroscopy | 273 | 4.4K | 10 | 44 |
| 300 | Exercise | 158 | 4.3K | 17 | 28 |
| 302 | Molecular ecology | 98 | 4.3K | 70 | 141 |
| 303 | ecosystem | 91 | 4.3K | 63 | 112 |
| 304 | coal | 140 | 4.2K | 57 | 96 |
| 306 | mass transfer | 148 | 4.2K | 66 | 103 |
| 310 | natural disasters | 127 | 4.0K | 13 | 22 |
| 312 | United Kingdom | 93 | 4.0K | 164 | 182 |
| 316 | cell membrane | 110 | 3.9K | 25 | 42 |
| 316 | Hazardous waste | 60 | 3.9K | 21 | 19 |
| 318 | Stem cells | 62 | 3.9K | 251 | 157 |
| 319 | Insects | 254 | 3.9K | 23 | 64 |
| 323 | radioactive waste | 54 | 3.8K | 19 | 19 |
| 323 | industrial waste | 54 | 3.8K | 20 | 19 |
| 329 | Primates | 146 | 3.8K | 20 | 27 |
| 331 | Host-parasite interactions | 34 | 3.8K | 308 | 245 |
| 332 | clay | 114 | 3.8K | 10 | 20 |
| 332 | solar cells | 99 | 3.8K | 20 | 31 |
| 335 | Allergy | 17 | 3.7K | 646 | 311 |
| 344 | environmental exposure | 115 | 3.6K | 74 | 93 |
| 349 | hydrocolloids | 85 | 3.5K | 30 | 61 |
| 349 | Chromatographic analysis | 214 | 3.5K | 29 | 50 |
| 351 | mycoses | 45 | 3.4K | 64 | 101 |
| 353 | Zeolites | 105 | 3.4K | 17 | 27 |
| 356 | Fisheries | 178 | 3.3K | 83 | 144 |
| 362 | freshwater biology | 109 | 3.2K | 16 | 49 |
| 363 | Mental illness | 36 | 3.2K | 600 | 408 |
| 364 | Energy Harvesting | 47 | 3.2K | 36 | 59 |
| 365 | energy resources | 36 | 3.2K | 247 | 187 |
| 366 | Proteome | 95 | 3.1K | 55 | 129 |
| 368 | Cellulose | 80 | 3.0K | 20 | 26 |
| 370 | Diet | 61 | 3.0K | 430 | 429 |
| 371 | biocatalysis | 18 | 3.0K | 17 | 34 |
| 371 | Homogeneous catalysis | 18 | 3.0K | 17 | 34 |
| 371 | Heterogeneous catalysis | 18 | 3.0K | 17 | 34 |
| 374 | management | 106 | 2.9K | 424 | 639 |
| 376 | Quantum theory | 159 | 2.9K | 8 | 33 |
| 381 | Bacterial infections | 22 | 2.9K | 216 | 141 |
| 382 | Aquaculture | 149 | 2.9K | 83 | 161 |
| 385 | Chromatography | 154 | 2.8K | 34 | 57 |
| 388 | X-ray crystallography | 233 | 2.8K | 1 | 40 |
| 393 | concrete | 198 | 2.7K | 13 | 140 |
| 394 | Agriculture | 80 | 2.7K | 252 | 256 |
| 396 | Breeding | 110 | 2.7K | 86 | 129 |
| 399 | Parasitology | 193 | 2.7K | 112 | 261 |
| 403 | particles | 119 | 2.5K | 8 | 15 |
| 407 | Australia | 185 | 2.5K | 83 | 113 |
| 408 | Cosmochemistry | 89 | 2.5K | 30 | 72 |
| 409 | Minerals | 121 | 2.5K | 6 | 16 |
| 413 | Egypt | 38 | 2.5K | 33 | 13 |
| 414 | Physical fitness | 91 | 2.5K | 33 | 88 |
| 415 | synthesis | 198 | 2.5K | 6 | 8 |
| 420 | antibiotics | 117 | 2.4K | 20 | 28 |
| 422 | Seaweed | 96 | 2.4K | 13 | 44 |
| 423 | Communication | 86 | 2.4K | 225 | 196 |
| 424 | Sedimentary rocks | 58 | 2.4K | 18 | 16 |
| 426 | pigments | 130 | 2.4K | 13 | 20 |
| 427 | optical devices | 110 | 2.4K | 3 | 4 |
| 428 | Informatics | 91 | 2.4K | 8 | 71 |
| 432 | viruses | 40 | 2.3K | 444 | 453 |
| 435 | Cell death | 40 | 2.2K | 243 | 319 |
| 436 | sustainability | 31 | 2.2K | 71 | 101 |
| 437 | DNS | 54 | 2.2K | 13 | 12 |
| 439 | Computational Complexity | 154 | 2.2K | 9 | 10 |
| 441 | Cytoskeleton | 72 | 2.2K | 4 | 9 |
| 442 | Mechanics | 161 | 2.2K | 20 | 72 |
| 443 | Microscopy | 161 | 2.2K | 38 | 113 |
| 444 | alcoholism | 36 | 2.2K | 426 | 268 |
| 448 | Chromosomes | 59 | 2.1K | 88 | 114 |
| 449 | Insect biochemistry | 58 | 2.1K | 23 | 40 |
| 452 | drugs | 64 | 2.1K | 305 | 278 |
| 453 | Drug delivery systems | 74 | 2.1K | 85 | 223 |
| 454 | Water quality management | 113 | 2.1K | 66 | 125 |
| 456 | ethanol | 32 | 2.0K | 66 | 20 |
| 458 | Atomic spectroscopy | 180 | 2.0K | 9 | 74 |
| 463 | Production Management | 33 | 2.0K | 224 | 251 |
| 465 | data collection | 37 | 2.0K | 82 | 147 |
| 466 | Ferroelectricity | 334 | 2.0K | 6 | 28 |
| 470 | Iron | 141 | 1.9K | 27 | 39 |
| 472 | Nonlinear systems | 122 | 1.9K | 8 | 20 |
| 474 | free radicals | 63 | 1.9K | 183 | 347 |
| 475 | nuclear magnetic resonance spectroscopy | 100 | 1.9K | 14 | 44 |
| 479 | Toxins | 68 | 1.9K | 43 | 51 |
| 481 | cloning | 27 | 1.8K | 101 | 143 |
| 483 | venom | 62 | 1.8K | 44 | 50 |
| 485 | Aging | 91 | 1.8K | 472 | 649 |
| 486 | Teaching | 35 | 1.8K | 372 | 203 |
| 487 | Adaptive control systems | 119 | 1.8K | 5 | 11 |
| 489 | Laser Spectroscopy | 165 | 1.8K | 6 | 51 |
| 490 | Granular materials | 69 | 1.8K | 6 | 10 |
| 491 | Fertilizers | 93 | 1.8K | 17 | 25 |
| 495 | Catalysts | 88 | 1.7K | 16 | 46 |
| 497 | Microstructure | 138 | 1.7K | 4 | 7 |
| 500 | amino acids | 53 | 1.7K | 12 | 17 |
| 501 | clay minerals | 48 | 1.7K | 15 | 23 |
| 502 | Obesity | 37 | 1.7K | 602 | 583 |
| 504 | Biometrics | 54 | 1.7K | 172 | 184 |
| 506 | rehabilitation | 72 | 1.7K | 301 | 428 |
| 509 | Entropy | 135 | 1.6K | 6 | 14 |
| 510 | Lipids | 46 | 1.6K | 182 | 294 |
| 512 | internet | 91 | 1.6K | 34 | 72 |
| 512 | drug evaluation | 55 | 1.6K | 90 | 69 |
| 514 | global environmental change | 38 | 1.6K | 102 | 179 |
| 514 | Perception | 66 | 1.6K | 368 | 465 |
| 516 | toxicity testing | 14 | 1.6K | 241 | 72 |
| 518 | hazard mitigation | 57 | 1.6K | 33 | 54 |
| 519 | Microwaves | 145 | 1.6K | 35 | 30 |
| 521 | Building | 365 | 1.6K | 5 | 35 |
| 522 | DNA | 36 | 1.6K | 26 | 12 |
| 523 | Scandinavia | 20 | 1.5K | 135 | 48 |
| 524 | cell movement | 45 | 1.5K | 7 | 19 |
| 525 | Visual Perception | 60 | 1.5K | 340 | 409 |
| 527 | Multimedia Systems | 135 | 1.5K | 48 | 83 |
| 529 | Attention | 50 | 1.5K | 408 | 418 |
| 533 | Medical innovations | 26 | 1.5K | 212 | 413 |
| 534 | Respiration | 50 | 1.4K | 300 | 395 |
| 536 | Memory | 53 | 1.4K | 434 | 523 |
| 537 | animals | 101 | 1.4K | 63 | 108 |
| 539 | mammals | 93 | 1.4K | 47 | 104 |
| 541 | Calorimetry | 113 | 1.4K | 25 | 56 |
| 541 | Thermal analysis | 113 | 1.4K | 25 | 56 |
| 543 | Plant breeding | 90 | 1.4K | 50 | 89 |
| 544 | brain mapping | 34 | 1.4K | 120 | 179 |
| 548 | food handling | 44 | 1.4K | 66 | 88 |
| 549 | marketing | 21 | 1.4K | 693 | 489 |
| 552 | Intelligent Control Systems | 177 | 1.4K | 6 | 34 |
| 552 | Jurisprudence | 53 | 1.4K | 115 | 73 |
| 554 | Bones | 23 | 1.4K | 314 | 233 |
| 555 | RNA | 36 | 1.4K | 54 | 100 |
| 556 | Cement | 138 | 1.3K | 9 | 171 |
| 557 | Fiber Optics | 119 | 1.3K | 8 | 17 |
| 558 | Suicide | 2 | 1.3K | 849 | 57 |
| 561 | Biomolecules | 43 | 1.3K | 13 | 72 |
| 562 | Sites | 25 | 1.3K | 130 | 121 |
| 563 | Virulence | 19 | 1.3K | 476 | 522 |
| 563 | probabilities | 199 | 1.3K | 27 | 126 |
| 565 | Elementary particles | 17 | 1.3K | 27 | 22 |
| 566 | Parasitic Diseases | 95 | 1.3K | 179 | 526 |
| 571 | Cognition | 53 | 1.3K | 346 | 478 |
| 572 | drug development | 15 | 1.3K | 400 | 406 |
| 575 | Social behavior | 45 | 1.3K | 179 | 291 |
| 577 | Forest Management | 57 | 1.2K | 133 | 235 |
| 580 | fishing industry | 80 | 1.2K | 15 | 16 |
| 582 | Oxidation-reduction | 27 | 1.2K | 137 | 288 |
| 584 | Plant tissue culture | 47 | 1.2K | 59 | 86 |
| 585 | Plant cell culture | 46 | 1.2K | 42 | 82 |
| 589 | software | 34 | 1.2K | 71 | 91 |
| 590 | Sound | 143 | 1.2K | 11 | 35 |
| 591 | Carbohydrates | 53 | 1.2K | 17 | 60 |
| 592 | Infrared spectroscopy | 58 | 1.2K | 5 | 7 |
| 593 | glycoproteins | 49 | 1.2K | 28 | 68 |
| 593 | Glycoconjugates | 49 | 1.2K | 28 | 68 |
| 593 | glycolipids | 49 | 1.2K | 28 | 68 |
| 597 | DNA polymerases | 12 | 1.2K | 192 | 258 |
| 601 | Superconductivity | 53 | 1.2K | 55 | 57 |
| 604 | Africa | 80 | 1.2K | 122 | 133 |
| 606 | Aerosols | 55 | 1.1K | 64 | 109 |
| 606 | Diabetes | 27 | 1.1K | 927 | 1074 |
| 613 | water supply | 40 | 1.1K | 197 | 303 |
| 615 | Inflammation | 22 | 1.1K | 352 | 278 |
| 618 | phytopathogenic bacteria | 15 | 1.1K | 69 | 56 |
| 619 | Criminal investigation | 42 | 1.1K | 15 | 11 |
| 621 | mutagens | 58 | 1.1K | 63 | 260 |
| 623 | Protozoa | 49 | 1.1K | 27 | 108 |
| 625 | city planning | 56 | 1.1K | 215 | 294 |
| 627 | Birds | 96 | 1.1K | 105 | 207 |
| 631 | Volcanoes | 46 | 1.1K | 30 | 48 |
| 632 | Radiation effects | 41 | 1.1K | 28 | 81 |
| 633 | Diagnostic microbiology | 20 | 1.1K | 554 | 694 |
| 635 | Developmental Immunology | 46 | 1.1K | 59 | 97 |
| 638 | Phylogenetics | 74 | 1.1K | 3 | 4 |
| 638 | Chemical processes | 52 | 1.1K | 33 | 45 |
| 641 | Adolescent | 15 | 1.0K | 1103 | 524 |
| 642 | Parasites | 74 | 1.0K | 133 | 331 |
| 643 | pain | 36 | 1.0K | 353 | 524 |
| 646 | Radio wave propagation | 89 | 1.0K | 19 | 38 |
| 648 | reasoning | 46 | 1.0K | 10 | 27 |
| 648 | Cerebral cortex | 32 | 1.0K | 220 | 358 |
| 654 | Optoelectronic devices | 103 | 1.0K | 16 | 24 |
| 654 | polar regions | 75 | 1.0K | 48 | 101 |
| 656 | supercritical fluids | 36 | 993 | 38 | 63 |
| 658 | Radioisotopes | 117 | 987 | 41 | 110 |
| 659 | natural gas | 26 | 975 | 89 | 64 |
| 661 | starch | 53 | 970 | 17 | 33 |
| 663 | Aquatic ecology | 46 | 966 | 90 | 144 |
| 666 | peptides | 68 | 958 | 22 | 53 |
| 668 | exobiology | 22 | 950 | 62 | 75 |
| 669 | Recycling | 18 | 949 | 130 | 179 |
| 670 | Developing countries | 49 | 941 | 376 | 570 |
| 671 | organization | 8 | 935 | 470 | 313 |
| 671 | Detectors | 118 | 935 | 20 | 41 |
| 673 | Enzyme | 24 | 929 | 58 | 74 |
| 677 | Semiconductor industry | 53 | 909 | 52 | 51 |
| 678 | personality | 25 | 908 | 496 | 587 |
| 682 | atmospheric models | 46 | 898 | 150 | 300 |
| 683 | Biomass | 32 | 894 | 54 | 150 |
| 684 | Fishery resources | 22 | 892 | 130 | 114 |
| 684 | Yeast | 46 | 892 | 17 | 84 |
| 686 | Electromagnetic waves | 53 | 890 | 1 | 3 |
| 688 | biological invasions | 43 | 883 | 36 | 96 |
| 692 | pheromones | 25 | 876 | 98 | 120 |
| 692 | Ultrasound | 57 | 876 | 32 | 87 |
| 692 | Europe | 56 | 876 | 728 | 937 |
| 695 | Hormones | 28 | 875 | 396 | 491 |
| 696 | isomerism | 67 | 873 | 2 | 17 |
| 696 | Transport | 21 | 873 | 137 | 138 |
| 696 | Chirality | 67 | 873 | 2 | 17 |
| 699 | locomotion | 43 | 872 | 83 | 142 |
| 699 | posture | 43 | 872 | 83 | 142 |
| 699 | gait | 43 | 872 | 83 | 142 |
| 699 | walking | 43 | 872 | 83 | 142 |
| 703 | Nonlinear mechanics | 48 | 869 | 9 | 23 |
| 707 | Ornithology | 64 | 846 | 108 | 186 |
| 711 | infection | 26 | 826 | 554 | 712 |
| 712 | medical education | 25 | 821 | 643 | 513 |
| 716 | atmosphere | 43 | 819 | 85 | 167 |
| 718 | Sea | 20 | 810 | 122 | 115 |
| 719 | Speech | 30 | 806 | 211 | 261 |
| 720 | Soil ecology | 35 | 804 | 113 | 243 |
| 721 | older people | 19 | 801 | 686 | 309 |
| 721 | Heterocyclic compounds | 90 | 801 | 46 | 75 |
| 724 | Gerontology | 38 | 791 | 520 | 542 |
| 727 | Animal genetics | 24 | 779 | 178 | 157 |
| 727 | Synthetic biology | 35 | 779 | 31 | 57 |
| 729 | Ore deposits | 22 | 777 | 133 | 139 |
| 732 | Decision making | 35 | 768 | 268 | 419 |
| 735 | calcification | 7 | 765 | 389 | 172 |
| 737 | Metallography | 31 | 760 | 129 | 132 |
| 738 | Oligosaccharide | 31 | 758 | 26 | 94 |
| 740 | Combinatorial analysis | 140 | 757 | 35 | 135 |
| 741 | Earthquakes | 49 | 754 | 42 | 72 |
| 742 | Extreme environments | 35 | 751 | 8 | 32 |
| 743 | Genetic therapy | 27 | 750 | 375 | 580 |
| 745 | Environmental Geochemistry | 34 | 744 | 22 | 38 |
| 748 | Protein engineering | 21 | 736 | 37 | 54 |
| 749 | carbon monoxide | 18 | 735 | 24 | 42 |
| 751 | textile fibers | 111 | 731 | 25 | 41 |
| 752 | Taste | 24 | 730 | 30 | 29 |
| 752 | smell | 24 | 730 | 30 | 29 |
| 758 | Water Microbiology | 26 | 711 | 30 | 66 |
| 758 | Invertebrates | 35 | 711 | 73 | 126 |
| 760 | Transgenic plants | 19 | 708 | 107 | 119 |
| 761 | Vaccines | 33 | 705 | 575 | 773 |
| 762 | Tropical Medicine | 56 | 704 | 227 | 465 |
| 768 | Continental shelf | 22 | 691 | 98 | 131 |
| 769 | feeding behavior | 18 | 681 | 260 | 243 |
| 770 | Solutions | 39 | 676 | 15 | 26 |
| 771 | machinery | 37 | 673 | 68 | 114 |
| 776 | Oral communication | 25 | 668 | 53 | 60 |
| 779 | flavor | 21 | 667 | 23 | 17 |
| 780 | Sleep | 30 | 666 | 592 | 693 |
| 783 | histological techniques | 18 | 661 | 191 | 296 |
| 784 | Ultrasonic Imaging | 43 | 659 | 30 | 73 |
| 784 | Radio | 34 | 659 | 134 | 140 |
| 786 | Lightweight concrete | 15 | 656 | 103 | 183 |
| 787 | Plasma devices | 23 | 655 | 73 | 110 |
| 790 | Cell metabolism | 15 | 651 | 238 | 662 |
| 791 | Porous materials | 62 | 644 | 27 | 85 |
| 793 | Sun | 26 | 640 | 157 | 192 |
| 794 | Climate | 22 | 633 | 98 | 179 |
| 794 | environmental issues | 19 | 633 | 64 | 77 |
| 797 | Industry | 10 | 626 | 23 | 45 |
| 798 | Appetite | 17 | 624 | 230 | 219 |
| 799 | Middle East | 35 | 622 | 124 | 101 |
| 799 | Convergence | 3 | 622 | 50 | 16 |
| 804 | Exercise therapy | 12 | 619 | 94 | 20 |
| 804 | fusion reactors | 87 | 619 | 61 | 87 |
| 806 | sexual behavior | 17 | 618 | 196 | 193 |
| 807 | Plant hormones | 38 | 616 | 18 | 60 |
| 808 | Paleoceanography | 9 | 614 | 110 | 117 |
| 809 | movement | 17 | 613 | 56 | 66 |
| 810 | cytokines | 30 | 612 | 284 | 519 |
| 811 | Environmental risk assessment | 23 | 605 | 37 | 57 |
| 812 | muscle strength | 10 | 603 | 16 | 6 |
| 813 | Petroleum | 84 | 595 | 13 | 25 |
| 815 | Liver diseases | 13 | 591 | 926 | 1119 |
| 817 | food industry | 46 | 589 | 23 | 55 |
| 819 | Fixed Point Theory | 62 | 584 | 11 | 14 |
| 820 | Tunneling | 16 | 582 | 85 | 116 |
| 820 | underground construction | 16 | 582 | 85 | 116 |
| 822 | Health promotion | 17 | 580 | 639 | 610 |
| 823 | big data | 36 | 574 | 11 | 72 |
| 825 | land degradation | 19 | 572 | 64 | 74 |
| 825 | degradation | 19 | 572 | 64 | 74 |
| 828 | wood | 44 | 568 | 52 | 95 |
| 829 | Imaging systems | 54 | 565 | 25 | 61 |
| 831 | Antigens | 19 | 562 | 336 | 383 |
| 833 | plasticity | 13 | 558 | 116 | 165 |
| 835 | Drying | 20 | 555 | 68 | 71 |
| 838 | Groundwater | 52 | 547 | 69 | 176 |
| 838 | cryosphere | 17 | 547 | 168 | 198 |
| 842 | Therapeutics | 16 | 544 | 942 | 1110 |
| 844 | visualization | 147 | 541 | 43 | 204 |
| 847 | Chemical structure | 44 | 535 | 19 | 48 |
| 848 | theoretical models | 14 | 534 | 23 | 30 |
| 852 | Vision | 17 | 533 | 264 | 339 |
| 853 | Microfluidics | 19 | 530 | 18 | 32 |
| 853 | India | 65 | 530 | 150 | 132 |
| 857 | Child Development | 31 | 528 | 627 | 1010 |
| 859 | blood transfusion | 20 | 523 | 296 | 268 |
| 861 | Wildlife management | 31 | 520 | 134 | 171 |
| 863 | Population | 28 | 519 | 223 | 330 |
| 864 | Geobiology | 23 | 517 | 98 | 164 |
| 866 | analysis | 22 | 511 | 79 | 143 |
| 867 | bioluminescence | 37 | 507 | 13 | 13 |
| 868 | Homeostasis | 5 | 505 | 433 | 759 |
| 869 | breastfeeding | 12 | 504 | 186 | 108 |
| 870 | traffic safety | 31 | 501 | 28 | 42 |
| 871 | gene therapy | 25 | 499 | 318 | 732 |
| 871 | sports injuries | 23 | 499 | 87 | 71 |
| 873 | Steroids | 21 | 494 | 355 | 437 |
| 874 | Textile industry | 83 | 493 | 50 | 92 |
| 876 | NMR | 43 | 488 | 24 | 63 |
| 878 | Wetland ecology | 18 | 487 | 96 | 120 |
| 879 | Antibodies | 14 | 486 | 279 | 302 |
| 880 | carcinogens | 18 | 482 | 350 | 548 |
| 882 | Algal blooms | 14 | 481 | 89 | 169 |
| 882 | Cyanobacteria | 14 | 481 | 89 | 169 |
| 882 | microalgae | 14 | 481 | 89 | 169 |
| 885 | Water chemistry | 13 | 479 | 50 | 37 |
| 888 | Astrocytes | 10 | 477 | 265 | 331 |
| 889 | fertility | 12 | 476 | 753 | 720 |
| 890 | Mental Health Services | 13 | 474 | 644 | 457 |
| 892 | Entrepreneurship | 9 | 472 | 541 | 564 |
| 894 | Social Change | 12 | 470 | 390 | 515 |
| 897 | Ecological disturbances | 7 | 467 | 9 | 5 |
| 897 | Environmental disasters | 7 | 467 | 9 | 5 |
| 899 | Transplantation | 9 | 466 | 957 | 871 |
| 901 | Coding Theory | 46 | 462 | 14 | 31 |
| 904 | insurance | 18 | 457 | 94 | 74 |
| 906 | Fouling | 12 | 455 | 54 | 70 |
| 912 | biological agents | 92 | 449 | 11 | 13 |
| 913 | biomedicine | 41 | 448 | 75 | 244 |
| 915 | molecular design | 17 | 445 | 49 | 107 |
| 916 | Nanotubes | 35 | 443 | 5 | 6 |
| 918 | curriculum evaluation | 5 | 441 | 234 | 68 |
| 922 | Supramolecular chemistry | 44 | 435 | 2 | 11 |
| 926 | genetic selection | 8 | 428 | 83 | 67 |
| 930 | Social work | 24 | 426 | 453 | 438 |
| 930 | Central Asia | 33 | 426 | 5 | 10 |
| 932 | environmental control | 10 | 425 | 79 | 68 |
| 932 | magnetic resonance | 36 | 425 | 33 | 73 |
| 934 | Oligosaccharides | 18 | 423 | 38 | 57 |
| 934 | cell interaction | 23 | 423 | 327 | 656 |
| 936 | sex differences | 5 | 420 | 66 | 33 |
| 937 | arthritis | 5 | 419 | 1300 | 1033 |
| 939 | body temperature | 21 | 417 | 47 | 87 |
| 940 | Women's health | 11 | 415 | 702 | 510 |
| 941 | Mitochondria | 8 | 414 | 141 | 84 |
| 941 | adhesives | 27 | 414 | 63 | 126 |
| 946 | baking | 15 | 408 | 65 | 72 |
| 949 | pharmaceutical industry | 13 | 406 | 196 | 121 |
| 951 | space environment | 27 | 402 | 56 | 94 |
| 951 | Antarctica | 59 | 402 | 52 | 119 |
| 951 | biological monitoring | 15 | 402 | 102 | 167 |
| 954 | impact | 18 | 401 | 86 | 166 |
| 955 | Animal welfare | 32 | 399 | 24 | 78 |
| 957 | Trace elements | 19 | 397 | 25 | 85 |
| 957 | Microwave devices | 6 | 397 | 90 | 2 |
| 960 | Marine resources | 26 | 393 | 91 | 232 |
| 961 | aerosol | 19 | 390 | 111 | 162 |
| 962 | Phytotherapy | 22 | 389 | 167 | 302 |
| 963 | structural stability | 31 | 388 | 49 | 162 |
| 963 | finance | 37 | 388 | 586 | 1010 |
| 963 | vitamin C | 20 | 388 | 35 | 171 |
| 963 | vitamin E | 20 | 388 | 35 | 171 |
| 967 | Spine | 10 | 387 | 460 | 496 |
| 969 | Developmental Neurobiology | 16 | 386 | 124 | 176 |
| 970 | DNA repair | 19 | 385 | 65 | 136 |
| 972 | Pesticides | 27 | 384 | 105 | 180 |
| 977 | gastrointestinal tract | 4 | 381 | 255 | 157 |
| 978 | Leukemia | 14 | 380 | 808 | 934 |
| 978 | Landslides | 20 | 380 | 44 | 122 |
| 982 | disease vectors | 21 | 378 | 265 | 467 |
| 986 | drug therapy | 20 | 375 | 1191 | 1618 |
| 989 | Business | 15 | 374 | 1056 | 1309 |
| 989 | geological modeling | 23 | 374 | 86 | 203 |
| 989 | color | 22 | 374 | 24 | 50 |
| 989 | biochemical markers | 12 | 374 | 306 | 234 |
| 993 | water reuse | 18 | 373 | 33 | 79 |
| 994 | Cheminformatics | 30 | 370 | 17 | 258 |
| 995 | Microbial Metabolism | 15 | 369 | 14 | 53 |
| 995 | transport vesicles | 1 | 369 | 573 | 383 |
| 998 | herbicides | 15 | 366 | 92 | 91 |
| 999 | irrigation | 17 | 365 | 94 | 96 |
| 999 | Emotions | 6 | 365 | 425 | 374 |
| 1001 | Shock Waves | 17 | 360 | 39 | 37 |
| 1003 | Lipid | 17 | 358 | 82 | 237 |
| 1005 | Enteral nutrition | 5 | 357 | 898 | 619 |
| 1005 | Parenteral nutrition | 5 | 357 | 1102 | 771 |
| 1008 | Ethnology | 21 | 356 | 488 | 463 |
| 1008 | drug toxicity | 17 | 356 | 56 | 137 |
| 1010 | Biofilms | 4 | 354 | 96 | 34 |
| 1015 | Cardiovascular system | 10 | 347 | 1194 | 1710 |
| 1015 | Human biology | 21 | 347 | 146 | 209 |
| 1017 | Interactive multimedia | 27 | 343 | 53 | 83 |
| 1017 | Fluorescence | 38 | 343 | 14 | 54 |
| 1019 | Flood control | 11 | 337 | 60 | 33 |
| 1021 | air | 5 | 336 | 149 | 132 |
| 1022 | Watershed management | 15 | 334 | 21 | 15 |
| 1024 | Nitric oxide | 22 | 331 | 31 | 89 |
| 1027 | Developmental Disabilities | 18 | 330 | 385 | 675 |
| 1028 | weather | 19 | 327 | 98 | 255 |
| 1031 | psychotherapy | 8 | 326 | 975 | 847 |
| 1035 | Emulsions | 28 | 320 | 38 | 52 |
| 1035 | drainage | 13 | 320 | 88 | 62 |
| 1041 | Electrophysiology | 24 | 314 | 368 | 543 |
| 1044 | Learning | 15 | 310 | 613 | 813 |
| 1044 | bees | 17 | 310 | 100 | 177 |
| 1050 | Forest genetics | 20 | 302 | 46 | 80 |
| 1051 | Structure-activity relationship | 22 | 301 | 34 | 194 |
| 1052 | Flood forecasting | 6 | 299 | 37 | 15 |
| 1052 | Graphene | 11 | 299 | 9 | 61 |
| 1054 | Korea | 37 | 298 | 41 | 53 |
| 1054 | silicon | 23 | 298 | 38 | 57 |
| 1057 | educational innovations | 7 | 297 | 301 | 194 |
| 1057 | Pregnancy | 9 | 297 | 498 | 431 |
| 1059 | economic policy | 18 | 296 | 1095 | 991 |
| 1059 | Freeze-Drying | 36 | 296 | 43 | 141 |
| 1059 | Hypothermia | 36 | 296 | 43 | 141 |
| 1059 | Freeze Drying | 36 | 296 | 43 | 141 |
| 1064 | food contamination | 30 | 295 | 152 | 384 |
| 1064 | investigative techniques | 5 | 295 | 67 | 57 |
| 1067 | technical education | 15 | 294 | 137 | 142 |
| 1068 | Protein folding | 4 | 291 | 66 | 29 |
| 1077 | urban forestry | 13 | 280 | 44 | 84 |
| 1085 | Genetic algorithms | 4 | 269 | 164 | 130 |
| 1085 | Organelle biogenesis | 18 | 269 | 23 | 87 |
| 1088 | Neuroplasticity | 20 | 267 | 30 | 128 |
| 1088 | vascular diseases | 10 | 267 | 442 | 679 |
| 1090 | Soil fertility | 12 | 266 | 124 | 264 |
| 1091 | Navier-Stokes equations | 20 | 264 | 5 | 11 |
| 1092 | Wetland conservation | 12 | 261 | 102 | 156 |
| 1092 | multimedia | 20 | 261 | 53 | 89 |
| 1092 | Wetlands | 12 | 261 | 103 | 156 |
| 1098 | Cytokine | 8 | 257 | 191 | 351 |
| 1099 | Autism | 9 | 256 | 448 | 564 |
| 1100 | Genetic markers | 3 | 255 | 289 | 58 |
| 1104 | social science | 4 | 253 | 127 | 110 |
| 1106 | Plasma polymerization | 14 | 250 | 65 | 129 |
| 1107 | extraterrestrial environment | 15 | 249 | 214 | 253 |
| 1108 | graph | 54 | 248 | 5 | 22 |
| 1111 | human development | 13 | 247 | 321 | 550 |
| 1120 | neuronal plasticity | 13 | 242 | 48 | 129 |
| 1121 | health services | 11 | 241 | 579 | 607 |
| 1122 | Vocational guidance | 6 | 240 | 658 | 591 |
| 1129 | wind erosion | 4 | 236 | 76 | 48 |
| 1134 | Hospitality industry | 3 | 234 | 427 | 147 |
| 1136 | Growth factors | 9 | 232 | 86 | 323 |
| 1138 | Heart Failure | 2 | 230 | 680 | 428 |
| 1138 | Freezing | 16 | 230 | 107 | 115 |
| 1141 | Radio frequency | 17 | 228 | 56 | 136 |
| 1142 | East Asia | 51 | 227 | 32 | 143 |
| 1144 | Hydraulic machinery | 27 | 226 | 5 | 10 |
| 1144 | Speech Disorders | 10 | 226 | 627 | 710 |
| 1144 | automatic speech recognition | 6 | 226 | 64 | 67 |
| 1144 | wetland management | 6 | 226 | 76 | 68 |
| 1151 | Financial management | 7 | 222 | 314 | 410 |
| 1151 | Risk | 7 | 222 | 379 | 408 |
| 1153 | hygiene | 12 | 221 | 176 | 290 |
| 1157 | Cardiovascular diseases | 12 | 219 | 1002 | 1190 |
| 1161 | Infertility | 7 | 216 | 972 | 1061 |
| 1161 | fossil | 9 | 216 | 11 | 9 |
| 1163 | Ventilation | 12 | 214 | 190 | 307 |
| 1164 | Evolution equations | 29 | 212 | 4 | 15 |
| 1166 | eye | 4 | 210 | 186 | 378 |
| 1166 | astronomical phenomena | 9 | 210 | 318 | 263 |
| 1170 | plasma spraying | 6 | 209 | 166 | 127 |
| 1171 | Bacteria | 5 | 208 | 308 | 441 |
| 1171 | mathematical concepts | 15 | 208 | 82 | 118 |
| 1173 | Bioreactors | 9 | 206 | 75 | 132 |
| 1176 | plant oils | 8 | 205 | 129 | 91 |
| 1177 | Osteoporosis | 5 | 204 | 277 | 198 |
| 1177 | Health Risk Assessment | 13 | 204 | 97 | 169 |
| 1179 | indoor air pollution | 7 | 203 | 198 | 276 |
| 1179 | Sick building syndrome | 7 | 203 | 198 | 276 |
| 1181 | Cerebellum | 12 | 202 | 87 | 217 |
| 1181 | Cerebellar ataxia | 12 | 202 | 87 | 217 |
| 1185 | Mollusks | 18 | 201 | 28 | 53 |
| 1187 | Knot Theory | 66 | 200 | 4 | 29 |
| 1187 | rivers | 14 | 200 | 69 | 172 |
| 1190 | infrared technology | 27 | 199 | 35 | 44 |
| 1192 | glaciers | 6 | 198 | 145 | 144 |
| 1195 | circadian rhythm | 21 | 196 | 59 | 245 |
| 1199 | Harmonic Analysis | 7 | 195 | 64 | 87 |
| 1199 | Fuzzy algorithms | 10 | 195 | 16 | 34 |
| 1199 | Soviet Union | 3 | 195 | 858 | 168 |
| 1199 | cosmetics | 10 | 195 | 52 | 100 |
| 1207 | eugenics | 13 | 193 | 226 | 376 |
| 1207 | Liquid chromatography | 25 | 193 | 56 | 147 |
| 1209 | biological rhythms | 19 | 192 | 60 | 243 |
| 1210 | Mites | 15 | 189 | 134 | 173 |
| 1212 | brewing | 38 | 188 | 34 | 91 |
| 1213 | Flow cytometry | 6 | 187 | 277 | 312 |
| 1215 | Oxidation | 12 | 186 | 62 | 99 |
| 1217 | forestry | 5 | 185 | 200 | 152 |
| 1217 | scientific societies | 13 | 185 | 356 | 639 |
| 1219 | Quality of life | 10 | 184 | 861 | 1392 |
| 1222 | Cell communication | 10 | 181 | 411 | 763 |
| 1223 | Culture techniques | 15 | 180 | 81 | 201 |
| 1227 | Eating Disorders | 5 | 173 | 794 | 766 |
| 1227 | Feeding and Eating Disorders | 5 | 173 | 763 | 742 |
| 1232 | pain management | 6 | 172 | 533 | 513 |
| 1235 | Hippocampus | 4 | 171 | 307 | 374 |
| 1235 | tillage | 5 | 171 | 339 | 466 |
| 1237 | Hospitals | 6 | 170 | 600 | 541 |
| 1237 | Agricultural systems | 6 | 170 | 233 | 337 |
| 1239 | Animal | 11 | 168 | 42 | 66 |
| 1240 | Continuum Mechanics | 15 | 166 | 30 | 75 |
| 1240 | forest policy | 7 | 166 | 220 | 235 |
| 1242 | chromatin | 7 | 165 | 47 | 157 |
| 1244 | Finite Element Method | 5 | 164 | 198 | 151 |
| 1246 | Leisure | 7 | 163 | 209 | 242 |
| 1251 | ozone | 13 | 161 | 9 | 38 |
| 1254 | Malaria | 12 | 160 | 365 | 647 |
| 1256 | Chronic diseases | 2 | 159 | 1128 | 907 |
| 1259 | Substance Abuse | 8 | 157 | 1085 | 1278 |
| 1261 | Mountains | 11 | 155 | 127 | 147 |
| 1261 | educational planning | 7 | 155 | 221 | 303 |
| 1263 | afforestation | 8 | 154 | 70 | 89 |
| 1265 | heredity | 13 | 153 | 261 | 531 |
| 1265 | World Wide Web | 19 | 153 | 51 | 169 |
| 1267 | Food texture | 8 | 152 | 68 | 106 |
| 1267 | Marine algae | 13 | 152 | 25 | 62 |
| 1273 | Roads | 16 | 150 | 338 | 462 |
| 1278 | data protection | 18 | 148 | 69 | 271 |
| 1279 | Access to Information | 11 | 147 | 13 | 165 |
| 1279 | Information dissemination | 11 | 147 | 13 | 165 |
| 1283 | Accreditation | 6 | 146 | 45 | 24 |
| 1283 | Safety management | 11 | 146 | 178 | 265 |
| 1283 | Electromagnetic fields | 25 | 146 | 24 | 41 |
| 1283 | Approximation Theory | 25 | 146 | 77 | 208 |
| 1288 | plant viruses | 9 | 145 | 93 | 206 |
| 1289 | Extracellular matrix | 4 | 144 | 271 | 392 |
| 1289 | teratogenic agents | 4 | 144 | 178 | 82 |
| 1289 | Foodborne diseases | 7 | 144 | 148 | 205 |
| 1289 | Personality Assessment | 5 | 144 | 479 | 586 |
| 1289 | world | 3 | 144 | 862 | 935 |
| 1289 | collagen | 4 | 144 | 285 | 409 |
| 1300 | behavior therapy | 5 | 141 | 765 | 795 |
| 1302 | shellfish | 18 | 140 | 28 | 101 |
| 1303 | Arthropods | 10 | 137 | 65 | 90 |
| 1307 | Radio waves | 12 | 135 | 130 | 151 |
| 1307 | econometric models | 7 | 135 | 328 | 502 |
| 1309 | Anxiety Disorders | 2 | 134 | 809 | 779 |
| 1309 | Anxiety | 2 | 134 | 811 | 781 |
| 1309 | plasmids | 5 | 134 | 138 | 187 |
| 1313 | Peptide | 1 | 133 | 461 | 149 |
| 1313 | Multiple sclerosis | 8 | 133 | 378 | 373 |
| 1316 | tests | 4 | 132 | 149 | 168 |
| 1316 | Acarology | 10 | 132 | 111 | 193 |
| 1318 | wildlife diseases | 4 | 131 | 117 | 61 |
| 1318 | Isotopes | 8 | 131 | 29 | 42 |
| 1320 | innovation | 7 | 129 | 387 | 774 |
| 1320 | Psychiatric hospitals | 3 | 129 | 412 | 296 |
| 1323 | Welding | 17 | 128 | 77 | 79 |
| 1325 | Food preferences | 8 | 127 | 195 | 418 |
| 1327 | Pakistan | 26 | 125 | 83 | 100 |
| 1330 | Asymmetric synthesis | 11 | 123 | 15 | 26 |
| 1330 | nucleotides | 19 | 123 | 84 | 148 |
| 1330 | Ticks | 8 | 123 | 158 | 207 |
| 1330 | cycles | 15 | 123 | 24 | 30 |
| 1335 | Interfaces | 5 | 122 | 206 | 208 |
| 1338 | Library Science | 6 | 121 | 1002 | 503 |
| 1340 | nuclear power | 15 | 120 | 226 | 264 |
| 1340 | Papermaking | 12 | 120 | 69 | 44 |
| 1343 | drug addiction | 4 | 119 | 1275 | 1350 |
| 1344 | Amyloidosis | 4 | 118 | 114 | 135 |
| 1344 | biomimicry | 8 | 118 | 59 | 148 |
| 1344 | Culture | 4 | 118 | 1065 | 586 |
| 1348 | Strategic planning | 9 | 117 | 372 | 705 |
| 1349 | Paleopathology | 10 | 116 | 126 | 190 |
| 1349 | Hearing | 3 | 116 | 831 | 657 |
| 1354 | Acari | 6 | 115 | 177 | 211 |
| 1359 | school sports | 7 | 112 | 62 | 110 |
| 1361 | mosses | 15 | 111 | 39 | 86 |
| 1361 | liverworts | 15 | 111 | 39 | 86 |
| 1361 | electrocatalysis | 7 | 111 | 29 | 56 |
| 1361 | Autonomous robots | 3 | 111 | 166 | 212 |
| 1365 | textile machinery | 35 | 110 | 12 | 9 |
| 1365 | Heart transplantation | 3 | 110 | 857 | 609 |
| 1365 | disease susceptibility | 8 | 110 | 165 | 305 |
| 1365 | symptoms | 8 | 110 | 165 | 305 |
| 1371 | Logic Programming | 16 | 109 | 70 | 169 |
| 1371 | Magnetism | 28 | 109 | 15 | 12 |
| 1371 | Maps | 13 | 109 | 41 | 86 |
| 1376 | air quality | 9 | 108 | 50 | 178 |
| 1376 | Wind power | 13 | 108 | 74 | 240 |
| 1376 | Liposomes | 12 | 108 | 189 | 584 |
| 1376 | Reptiles | 12 | 108 | 109 | 175 |
| 1381 | Instructional systems | 1 | 107 | 356 | 101 |
| 1382 | Holistic Health | 5 | 106 | 336 | 331 |
| 1385 | North America | 11 | 105 | 444 | 810 |
| 1387 | disabilities | 8 | 104 | 460 | 771 |
| 1388 | Child psychology | 9 | 103 | 1011 | 1903 |
| 1389 | Randomized Controlled Trials | 11 | 102 | 672 | 1098 |
| 1389 | alcohol | 5 | 102 | 45 | 44 |
| 1392 | risk factors | 3 | 101 | 921 | 901 |
| 1392 | Celestial Mechanics | 5 | 101 | 152 | 147 |
| 1392 | Muscle contraction | 24 | 101 | 14 | 61 |
| 1398 | microwave communication systems | 8 | 99 | 52 | 81 |
| 1398 | Youth | 4 | 99 | 637 | 781 |
| 1398 | population geography | 7 | 99 | 200 | 369 |
| 1398 | Consciousness | 4 | 99 | 441 | 481 |
| 1403 | Amphibians | 12 | 96 | 87 | 138 |
| 1405 | animal diseases | 3 | 95 | 559 | 496 |
| 1408 | Database Security | 5 | 94 | 43 | 42 |
| 1408 | Business Ethics | 3 | 94 | 982 | 1310 |
| 1408 | Monomers | 7 | 94 | 25 | 38 |
| 1412 | aromatic plants | 7 | 93 | 110 | 86 |
| 1413 | Respiratory Infections | 3 | 92 | 435 | 442 |
| 1413 | Influenza | 3 | 92 | 330 | 348 |
| 1415 | Interferons | 6 | 91 | 182 | 356 |
| 1415 | Product life cycle | 6 | 91 | 194 | 435 |
| 1415 | Androgens | 4 | 91 | 251 | 369 |
| 1418 | Biological productivity | 11 | 90 | 16 | 15 |
| 1418 | recreation | 8 | 90 | 408 | 524 |
| 1420 | plankton | 4 | 89 | 193 | 258 |
| 1422 | green products | 4 | 88 | 248 | 438 |
| 1424 | bats | 4 | 87 | 99 | 96 |
| 1424 | international cooperation | 4 | 87 | 556 | 743 |
| 1428 | rare diseases | 5 | 86 | 629 | 941 |
| 1428 | Kidney diseases | 6 | 86 | 887 | 1349 |
| 1430 | psychophysics | 4 | 85 | 323 | 288 |
| 1430 | Sulfur | 19 | 85 | 7 | 38 |
| 1430 | Nutrigenomics | 1 | 85 | 288 | 162 |
| 1435 | water resources | 3 | 83 | 237 | 171 |
| 1435 | Moon | 8 | 83 | 102 | 138 |
| 1435 | Communication Disorders | 2 | 83 | 493 | 290 |
| 1435 | commerce | 5 | 83 | 1419 | 1614 |
| 1435 | livestock | 6 | 83 | 446 | 463 |
| 1440 | preimplantation genetic diagnosis | 6 | 82 | 351 | 552 |
| 1440 | embryo transfer | 6 | 82 | 373 | 571 |
| 1440 | France | 2 | 82 | 645 | 235 |
| 1440 | ecotourism | 4 | 82 | 192 | 289 |
| 1446 | Brachytherapy | 6 | 81 | 237 | 204 |
| 1446 | cell adhesion molecules | 4 | 81 | 520 | 840 |
| 1446 | Cerebrospinal fluid | 2 | 81 | 183 | 175 |
| 1450 | optical pattern recognition | 7 | 80 | 57 | 59 |
| 1451 | Nanomanufacturing | 9 | 79 | 33 | 38 |
| 1454 | Public opinion | 3 | 78 | 473 | 526 |
| 1454 | Radiation dosimetry | 18 | 78 | 122 | 321 |
| 1456 | Photovoltaic Cells | 7 | 77 | 105 | 318 |
| 1461 | Inorganic Polymers | 6 | 76 | 9 | 20 |
| 1461 | Organometallic polymers | 6 | 76 | 9 | 20 |
| 1467 | Ubiquitous computing | 10 | 75 | 40 | 80 |
| 1467 | Small Business | 4 | 75 | 721 | 1199 |
| 1467 | aquatic insects | 8 | 75 | 30 | 25 |
| 1467 | Shipping | 2 | 75 | 119 | 42 |
| 1473 | Social Media | 1 | 74 | 448 | 204 |
| 1473 | behavior modification | 1 | 74 | 722 | 623 |
| 1480 | Housing | 5 | 72 | 356 | 634 |
| 1480 | Edible plants | 3 | 72 | 232 | 366 |
| 1480 | Metrology | 6 | 72 | 55 | 46 |
| 1485 | Integration | 4 | 71 | 114 | 188 |
| 1491 | Traditional medicine | 6 | 69 | 170 | 435 |
| 1491 | Turbulence | 8 | 69 | 117 | 247 |
| 1491 | Alloys | 12 | 69 | 79 | 162 |
| 1491 | Aquatic animals | 8 | 69 | 77 | 234 |
| 1496 | sports administration | 5 | 68 | 207 | 309 |
| 1496 | California | 5 | 68 | 393 | 480 |
| 1498 | Drosophila | 6 | 67 | 6 | 48 |
| 1499 | Group decision making | 6 | 66 | 313 | 602 |
| 1501 | Machining | 3 | 65 | 138 | 135 |
| 1501 | elasticity | 6 | 65 | 156 | 253 |
| 1505 | Alzheimer's disease | 9 | 64 | 1113 | 1647 |
| 1505 | Scanning electron microscopy | 7 | 64 | 56 | 166 |
| 1508 | allied health | 2 | 63 | 374 | 339 |
| 1508 | Menopause | 3 | 63 | 384 | 469 |
| 1512 | phototherapy | 8 | 62 | 93 | 131 |
| 1518 | cooling | 20 | 61 | 4 | 24 |
| 1518 | particle beams | 7 | 61 | 140 | 250 |
| 1518 | vapor-liquid equilibrium | 20 | 61 | 4 | 24 |
| 1518 | vitamins | 2 | 61 | 213 | 317 |
| 1523 | Solvent extraction | 9 | 60 | 65 | 154 |
| 1523 | Mitochondrial DNA | 11 | 60 | 36 | 98 |
| 1527 | Polymer Networks | 4 | 59 | 6 | 30 |
| 1527 | Polymer Colloids | 4 | 59 | 6 | 30 |
| 1527 | Lipid bilayers | 7 | 59 | 267 | 675 |
| 1527 | Disease | 3 | 59 | 408 | 1141 |
| 1532 | Qualitative Research | 3 | 58 | 558 | 608 |
| 1532 | phase diagrams | 8 | 58 | 98 | 181 |
| 1532 | Hydrocarbons | 6 | 58 | 79 | 119 |
| 1532 | Endocrine system | 5 | 58 | 858 | 457 |
| 1536 | primary prevention | 3 | 57 | 536 | 691 |
| 1538 | Religion and Culture | 2 | 56 | 457 | 311 |
| 1538 | Religion and Psychology | 3 | 56 | 589 | 551 |
| 1538 | Mobile Commerce | 9 | 56 | 85 | 166 |
| 1538 | construction | 5 | 56 | 133 | 317 |
| 1538 | Dementia | 9 | 56 | 1103 | 1576 |
| 1545 | Autoantibodies | 4 | 55 | 635 | 1193 |
| 1545 | Autoimmunity | 4 | 55 | 825 | 1536 |
| 1545 | Social policy | 5 | 55 | 885 | 1161 |
| 1545 | Mineral resources | 3 | 55 | 639 | 967 |
| 1545 | construction industry | 3 | 55 | 162 | 152 |
| 1545 | weather forecasting | 3 | 55 | 236 | 372 |
| 1545 | Autoimmune diseases | 4 | 55 | 682 | 1273 |
| 1545 | Europa | 2 | 55 | 737 | 703 |
| 1556 | residential treatment | 1 | 54 | 364 | 195 |
| 1556 | Human Resources | 2 | 54 | 614 | 837 |
| 1562 | Reproductive toxicology | 5 | 53 | 413 | 860 |
| 1562 | psychopathology | 1 | 53 | 655 | 580 |
| 1562 | libraries | 2 | 53 | 1179 | 605 |
| 1562 | Psychiatric Epidemiology | 1 | 53 | 1120 | 1091 |
| 1562 | tomography | 2 | 53 | 652 | 526 |
| 1568 | ethnobiology | 4 | 52 | 202 | 488 |
| 1568 | Pacific Islands | 6 | 52 | 187 | 331 |
| 1568 | Refractory materials | 7 | 52 | 75 | 68 |
| 1568 | Drug discovery | 5 | 52 | 199 | 521 |
| 1572 | Communication in medicine | 2 | 51 | 777 | 776 |
| 1572 | Blood vessels | 3 | 51 | 455 | 687 |
| 1572 | Navigation | 9 | 51 | 208 | 437 |
| 1575 | Germany | 4 | 50 | 694 | 462 |
| 1575 | Sociobiology | 5 | 50 | 180 | 340 |
| 1578 | Research methodology | 2 | 49 | 144 | 207 |
| 1578 | Formal Languages | 8 | 49 | 80 | 159 |
| 1578 | Soundproofing | 6 | 49 | 32 | 50 |
| 1578 | Cell surface receptors | 5 | 49 | 64 | 177 |
| 1578 | winds | 8 | 49 | 31 | 116 |
| 1586 | Video Games | 3 | 48 | 62 | 76 |
| 1586 | Gene library | 2 | 48 | 115 | 195 |
| 1592 | Longevity | 1 | 47 | 461 | 378 |
| 1592 | Familial diseases | 1 | 47 | 583 | 400 |
| 1592 | rejuvenation | 1 | 47 | 345 | 323 |
| 1592 | women | 4 | 47 | 816 | 873 |
| 1592 | Ethnomedicine | 3 | 47 | 194 | 468 |
| 1592 | Gastrointestinal diseases | 2 | 47 | 1205 | 1177 |
| 1599 | Spectroscopy | 12 | 46 | 52 | 107 |
| 1599 | Family Therapy | 4 | 46 | 743 | 978 |
| 1599 | Symplectic Geometry | 7 | 46 | 10 | 15 |
| 1599 | child mental health | 4 | 46 | 433 | 670 |
| 1607 | Microbiota | 5 | 45 | 21 | 104 |
| 1607 | radar | 6 | 45 | 134 | 322 |
| 1607 | thinking | 1 | 45 | 601 | 443 |
| 1607 | Carbon dioxide | 2 | 45 | 101 | 175 |
| 1607 | Great Lakes | 4 | 45 | 227 | 395 |
| 1607 | Creativity | 1 | 45 | 639 | 498 |
| 1607 | Digestive system diseases | 4 | 45 | 1107 | 1728 |
| 1620 | landscapes | 5 | 44 | 112 | 282 |
| 1620 | plasma | 3 | 44 | 58 | 87 |
| 1620 | Birth control | 2 | 44 | 715 | 931 |
| 1626 | Environmental forensics | 5 | 43 | 34 | 87 |
| 1626 | optical instruments | 7 | 43 | 296 | 622 |
| 1626 | Futures | 2 | 43 | 468 | 462 |
| 1626 | Social problems | 3 | 43 | 691 | 993 |
| 1626 | Southeast Asia | 19 | 43 | 88 | 409 |
| 1626 | Grasslands | 4 | 43 | 64 | 74 |
| 1634 | DNA methylation | 3 | 42 | 340 | 806 |
| 1634 | Body Image | 2 | 42 | 302 | 514 |
| 1634 | Documentation | 3 | 42 | 391 | 462 |
| 1634 | foods | 5 | 42 | 170 | 485 |
| 1639 | Nonprofit organizations | 1 | 41 | 676 | 565 |
| 1640 | Urban Renewal | 2 | 40 | 106 | 103 |
| 1640 | Personality Disorders | 1 | 40 | 576 | 524 |
| 1640 | cell proliferation | 3 | 40 | 429 | 683 |
| 1645 | International security | 1 | 39 | 447 | 507 |
| 1645 | peace | 1 | 39 | 965 | 753 |
| 1645 | conflict management | 1 | 39 | 560 | 516 |
| 1655 | Financial Institutions | 1 | 38 | 852 | 672 |
| 1655 | phenomics | 2 | 38 | 58 | 104 |
| 1655 | Sonar | 5 | 38 | 147 | 309 |
| 1655 | explosives | 10 | 38 | 123 | 277 |
| 1664 | Matroids | 2 | 37 | 322 | 320 |
| 1668 | mental health promotion | 3 | 36 | 180 | 345 |
| 1668 | bryophytes | 6 | 36 | 62 | 139 |
| 1668 | Instructional materials | 2 | 36 | 65 | 93 |
| 1668 | Spain | 3 | 36 | 953 | 507 |
| 1668 | Marine mammals | 4 | 36 | 294 | 522 |
| 1676 | Eastern Europe | 4 | 35 | 939 | 968 |
| 1676 | X-rays | 14 | 35 | 229 | 1063 |
| 1676 | Eurasia | 2 | 35 | 332 | 358 |
| 1676 | Bone diseases | 3 | 35 | 594 | 1153 |
| 1676 | crops | 8 | 35 | 61 | 226 |
| 1676 | mental processes | 5 | 35 | 268 | 557 |
| 1676 | smart structures | 9 | 35 | 17 | 64 |
| 1676 | language | 5 | 35 | 676 | 1292 |
| 1686 | Peroxisomes | 1 | 34 | 244 | 279 |
| 1686 | optical phenomena | 3 | 34 | 127 | 247 |
| 1686 | planning | 3 | 34 | 860 | 1188 |
| 1686 | Economic planning | 3 | 34 | 549 | 955 |
| 1690 | International Finance | 4 | 33 | 1577 | 2357 |
| 1694 | Genetic variation | 2 | 32 | 181 | 297 |
| 1694 | Cyberterrorism | 1 | 32 | 142 | 146 |
| 1694 | food consumption | 1 | 32 | 182 | 206 |
| 1694 | Beetles | 7 | 32 | 87 | 97 |
| 1694 | ports | 4 | 32 | 163 | 411 |
| 1694 | food service | 2 | 32 | 144 | 113 |
| 1694 | Archaea | 3 | 32 | 28 | 149 |
| 1694 | gene transfer | 4 | 32 | 254 | 673 |
| 1694 | genetic transformation | 4 | 32 | 254 | 673 |
| 1707 | Sexual health | 4 | 31 | 835 | 1287 |
| 1707 | Professional ethics | 3 | 31 | 310 | 569 |
| 1707 | Drug delivery devices | 4 | 31 | 118 | 598 |
| 1707 | Cell survival | 2 | 31 | 336 | 637 |
| 1707 | Stress | 4 | 31 | 221 | 644 |
| 1707 | molecular chaperones | 2 | 31 | 393 | 639 |
| 1719 | Ireland | 6 | 30 | 121 | 183 |
| 1724 | acupuncture | 1 | 29 | 542 | 223 |
| 1724 | Semigroups | 12 | 29 | 72 | 258 |
| 1724 | Cell cycle | 2 | 29 | 509 | 776 |
| 1724 | Broadcasting | 3 | 29 | 188 | 341 |
| 1724 | drinking water | 4 | 29 | 99 | 223 |
| 1724 | Methodology | 5 | 29 | 355 | 794 |
| 1731 | Bioprinting | 1 | 28 | 113 | 148 |
| 1731 | warfare | 2 | 28 | 429 | 707 |
| 1731 | Play | 1 | 28 | 86 | 53 |
| 1731 | refugees | 2 | 28 | 382 | 492 |
| 1731 | Performance | 1 | 28 | 535 | 520 |
| 1739 | Spiders | 9 | 27 | 16 | 26 |
| 1742 | patents | 3 | 26 | 138 | 372 |
| 1742 | Respiratory system | 3 | 26 | 787 | 1503 |
| 1742 | orphan drugs | 1 | 26 | 123 | 39 |
| 1742 | Urban Anthropology | 1 | 26 | 380 | 350 |
| 1742 | Elderly | 11 | 26 | 754 | 1647 |
| 1742 | cholesterol | 1 | 26 | 16 | 38 |
| 1742 | counseling | 2 | 26 | 2049 | 2518 |
| 1742 | Aviation | 8 | 26 | 38 | 140 |
| 1742 | compost | 2 | 26 | 26 | 41 |
| 1742 | Helminths | 4 | 26 | 124 | 204 |
| 1742 | motor skills | 3 | 26 | 204 | 411 |
| 1757 | Investment analysis | 2 | 25 | 1154 | 1429 |
| 1757 | ethnic groups | 1 | 25 | 702 | 729 |
| 1757 | Fish diseases | 4 | 25 | 108 | 314 |
| 1757 | Fish | 5 | 25 | 290 | 662 |
| 1757 | packaging | 3 | 25 | 129 | 330 |
| 1766 | Permafrost | 1 | 24 | 283 | 354 |
| 1766 | Frozen ground | 1 | 24 | 287 | 354 |
| 1766 | Reading | 2 | 24 | 736 | 977 |
| 1766 | children | 2 | 24 | 812 | 1086 |
| 1774 | International Education | 1 | 23 | 532 | 506 |
| 1774 | Classification | 1 | 23 | 644 | 508 |
| 1774 | Nuclear Facilities | 7 | 23 | 31 | 88 |
| 1774 | High performance computing | 3 | 23 | 49 | 41 |
| 1780 | Serbia | 4 | 22 | 98 | 140 |
| 1780 | Soil | 2 | 22 | 114 | 215 |
| 1780 | Semantic web | 5 | 22 | 88 | 392 |
| 1786 | River Engineering | 2 | 21 | 110 | 142 |
| 1786 | Family | 1 | 21 | 1900 | 1937 |
| 1786 | Latin America | 3 | 21 | 1620 | 1576 |
| 1786 | families | 2 | 21 | 1246 | 1549 |
| 1786 | Cost effectiveness | 3 | 21 | 68 | 201 |
| 1786 | Paleobotany | 1 | 21 | 375 | 465 |
| 1786 | herbs | 3 | 21 | 63 | 147 |
| 1786 | Estuaries | 1 | 21 | 349 | 490 |
| 1786 | Vegetation dynamics | 1 | 21 | 356 | 452 |
| 1786 | migration policy | 2 | 21 | 316 | 550 |
| 1786 | Business communication | 1 | 21 | 340 | 325 |
| 1804 | Environmentalism | 1 | 20 | 317 | 436 |
| 1804 | Industrial Policy | 1 | 20 | 974 | 1029 |
| 1804 | zoos | 2 | 20 | 134 | 174 |
| 1804 | role | 1 | 20 | 800 | 1084 |
| 1804 | disaster relief | 6 | 20 | 114 | 653 |
| 1804 | autism spectrum disorder | 1 | 20 | 171 | 224 |
| 1812 | Soil stabilization | 2 | 19 | 77 | 145 |
| 1812 | Erosion | 2 | 19 | 118 | 359 |
| 1812 | negotiation | 1 | 19 | 202 | 161 |
| 1812 | contracts | 1 | 19 | 55 | 16 |
| 1812 | irreversible processes | 2 | 19 | 43 | 78 |
| 1812 | Pathogens | 3 | 19 | 75 | 358 |
| 1812 | Nonequilibrium thermodynamics | 2 | 19 | 43 | 78 |
| 1822 | Globalization | 1 | 18 | 1244 | 1427 |
| 1822 | Health insurance | 2 | 18 | 723 | 1166 |
| 1822 | Wales | 3 | 18 | 100 | 233 |
| 1822 | Human physiology | 1 | 18 | 241 | 211 |
| 1822 | Cultural property | 2 | 18 | 3 | 4 |
| 1822 | Fossil fuels | 3 | 18 | 73 | 98 |
| 1822 | Waterways | 3 | 18 | 87 | 185 |
| 1822 | industrial relations | 2 | 18 | 1172 | 1495 |
| 1822 | Harbors | 3 | 18 | 119 | 225 |
| 1822 | computable functions | 2 | 18 | 17 | 33 |
| 1822 | Plasma density | 7 | 18 | 61 | 178 |
| 1822 | Geospatial data | 3 | 18 | 16 | 134 |
| 1822 | Intellectual disability | 5 | 18 | 773 | 1855 |
| 1849 | Fluorescence spectroscopy | 3 | 17 | 326 | 769 |
| 1849 | Noise control | 40 | 17 | 6 | 92 |
| 1849 | Knowledge | 4 | 17 | 420 | 665 |
| 1849 | design | 3 | 17 | 285 | 440 |
| 1849 | Fibers | 5 | 17 | 72 | 176 |
| 1849 | drug control | 1 | 17 | 824 | 1046 |