12.4K(top 0.1%)
papers
632.8K(top 0.1%)
citations
292(top 0.1%)
h-index
481(top 0.1%)
g-index
14.3K
all documents
692.7K
doc citations
12.0K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 1 | Chemistry | 2,077 | 173,475 | 46 | 37 |
| 2 | Physics | 527 | 44,555 | 142 | 279 |
| 3 | Science | 305 | 34,982 | 469 | 687 |
| 4 | Materials | 334 | 33,454 | 199 | 87 |
| 5 | Pollution | 469 | 31,750 | 32 | 25 |
| 6 | Biology | 318 | 31,580 | 491 | 630 |
| 7 | Nanotechnology | 354 | 28,620 | 144 | 105 |
| 8 | Materials Science | 201 | 22,988 | 248 | 53 |
| 9 | Environmental Health | 349 | 22,561 | 60 | 51 |
| 10 | Environmental Engineering | 331 | 21,927 | 18 | 19 |
| 11 | sanitation | 289 | 20,537 | 13 | 17 |
| 12 | Biocompatible Materials | 316 | 20,483 | 68 | 53 |
| 13 | Polymers | 592 | 19,268 | 42 | 37 |
| 14 | Biochemistry | 495 | 18,718 | 272 | 418 |
| 15 | Biotechnology | 306 | 18,394 | 79 | 138 |
| 16 | Natural history | 59 | 16,136 | 618 | 808 |
| 17 | Organic Chemistry | 292 | 14,955 | 46 | 28 |
| 18 | Geophysics | 229 | 13,309 | 131 | 84 |
| 19 | polymerization | 404 | 11,962 | 55 | 61 |
| 20 | Physical Chemistry | 161 | 11,934 | 52 | 42 |
| 21 | Atmospheric Physics | 189 | 11,330 | 47 | 46 |
| 22 | Microbiology | 165 | 11,287 | 731 | 688 |
| 23 | environmental pollution | 152 | 10,597 | 101 | 43 |
| 24 | nanoscience | 96 | 10,260 | 265 | 151 |
| 25 | Atmospheric Chemistry | 152 | 9,821 | 32 | 47 |
| 26 | Bioorganic chemistry | 127 | 9,798 | 99 | 30 |
| 27 | Analytical Chemistry | 234 | 9,372 | 183 | 149 |
| 28 | Bioengineering | 145 | 9,285 | 119 | 323 |
| 29 | Molecular Biology | 161 | 9,241 | 1.1K | 1.5K |
| 30 | miniaturization | 117 | 8,873 | 47 | 115 |
| 31 | Catalysis | 162 | 7,260 | 201 | 211 |
| 32 | nuclear magnetic resonance spectroscopy | 132 | 7,215 | 2 | 3 |
| 33 | Colloids | 175 | 6,901 | 78 | 80 |
| 34 | Statistical physics | 224 | 6,731 | 45 | 60 |
| 35 | Biomedical Engineering | 76 | 6,640 | 349 | 92 |
| 36 | nuclear magnetic resonance | 92 | 6,301 | 16 | 5 |
| 37 | Environmental Chemistry | 113 | 6,027 | 11 | 68 |
| 38 | Nanostructured Materials | 137 | 5,820 | 194 | 204 |
| 39 | Chemical Engineering | 125 | 5,595 | 203 | 248 |
| 40 | Research | 148 | 5,525 | 773 | 1.1K |
| 41 | Surface Chemistry | 154 | 5,492 | 65 | 100 |
| 42 | Nuclear Physics | 156 | 5,421 | 285 | 264 |
| 43 | Combinatorial chemistry | 70 | 5,293 | 13 | 17 |
| 44 | Optical materials | 87 | 4,966 | 247 | 255 |
| 45 | Organometallic compounds | 95 | 4,963 | 39 | 20 |
| 46 | Ecology | 92 | 4,886 | 891 | 1.1K |
| 47 | Toxicology | 78 | 4,855 | 400 | 211 |
| 48 | Environment | 79 | 4,523 | 401 | 640 |
| 49 | pollutants | 70 | 4,481 | 44 | 28 |
| 49 | Environmental pollutants | 70 | 4,481 | 62 | 29 |
| 51 | Nanostructures | 22 | 3,972 | 314 | 115 |
| 52 | Biophysics | 114 | 3,897 | 453 | 445 |
| 53 | Microelectronics | 54 | 3,729 | 177 | 273 |
| 54 | Environmental Management | 16 | 3,627 | 487 | 48 |
| 55 | Environmental Toxicology | 16 | 3,594 | 780 | 134 |
| 56 | Cytology | 31 | 3,538 | 3.5K | 3.0K |
| 57 | Medicine | 84 | 3,428 | 3.5K | 5.4K |
| 58 | Electrochemistry | 107 | 3,407 | 86 | 83 |
| 59 | Mass Spectrometry | 86 | 3,404 | 24 | 24 |
| 60 | Cell Biology | 29 | 3,319 | 3.5K | 3.2K |
| 61 | Pharmaceutical Chemistry | 105 | 3,072 | 362 | 569 |
| 62 | Condensed Matter | 67 | 2,960 | 496 | 396 |
| 63 | Nanoparticles | 46 | 2,930 | 229 | 149 |
| 64 | Molecular structure | 26 | 2,910 | 390 | 247 |
| 65 | Microbial Ecology | 51 | 2,863 | 373 | 534 |
| 66 | Environmental risk assessment | 2 | 2,805 | 294 | 4 |
| 66 | environmental control | 2 | 2,805 | 157 | 4 |
| 68 | Technology | 62 | 2,765 | 242 | 196 |
| 69 | Solid State Physics | 62 | 2,658 | 568 | 422 |
| 70 | Virology | 10 | 2,637 | 4.5K | 2.7K |
| 71 | Biochemical Engineering | 35 | 2,625 | 175 | 605 |
| 72 | Water pollution | 50 | 2,475 | 189 | 216 |
| 73 | Electronics | 76 | 2,350 | 241 | 225 |
| 74 | Genetic engineering | 24 | 2,340 | 310 | 128 |
| 75 | Magnetic Resonance Spectroscopy | 68 | 2,295 | 31 | 38 |
| 76 | Nonlinear Dynamics | 95 | 2,292 | 45 | 104 |
| 77 | Clinical Chemistry | 62 | 2,280 | 287 | 404 |
| 78 | Physical organic chemistry | 79 | 2,192 | 51 | 45 |
| 79 | Optics | 53 | 2,181 | 707 | 421 |
| 80 | Environmental monitoring | 60 | 2,176 | 222 | 310 |
| 81 | Cell differentiation | 14 | 2,171 | 1.8K | 963 |
| 82 | Photonics | 22 | 2,170 | 657 | 265 |
| 83 | Green Chemistry | 53 | 2,140 | 217 | 319 |
| 84 | Stem cells | 17 | 2,105 | 775 | 164 |
| 85 | Planets | 41 | 2,001 | 304 | 273 |
| 86 | Light | 14 | 1,997 | 247 | 148 |
| 87 | biological factors | 40 | 1,870 | 144 | 139 |
| 88 | proteins | 51 | 1,869 | 335 | 457 |
| 89 | Renewable Energy Sources | 12 | 1,855 | 293 | 180 |
| 90 | Water | 25 | 1,746 | 361 | 339 |
| 91 | Genetic regulation | 13 | 1,711 | 640 | 554 |
| 92 | Sustainable Engineering | 42 | 1,674 | 181 | 232 |
| 93 | Chemical analysis | 53 | 1,643 | 64 | 62 |
| 94 | cloning | 9 | 1,626 | 267 | 82 |
| 95 | biopolymers | 43 | 1,594 | 84 | 78 |
| 96 | Energy Conversion | 28 | 1,522 | 307 | 570 |
| 97 | Soft Condensed Matter | 42 | 1,504 | 65 | 66 |
| 98 | atmospheric models | 23 | 1,492 | 91 | 67 |
| 99 | biocatalysis | 9 | 1,380 | 33 | 56 |
| 99 | Homogeneous catalysis | 9 | 1,380 | 33 | 56 |
| 99 | Heterogeneous catalysis | 9 | 1,380 | 33 | 56 |
| 102 | magnetic resonance | 57 | 1,366 | 4 | 5 |
| 103 | NMR | 53 | 1,350 | 6 | 5 |
| 104 | Biomass Energy | 31 | 1,257 | 289 | 484 |
| 105 | Industrial Microbiology | 30 | 1,254 | 236 | 314 |
| 106 | Medical Laboratory Science | 25 | 1,146 | 224 | 337 |
| 107 | natural products | 35 | 1,080 | 323 | 350 |
| 108 | Pharmacology | 24 | 1,061 | 4.0K | 3.4K |
| 109 | Proteome | 18 | 1,023 | 415 | 466 |
| 110 | Environmental Policy | 19 | 1,019 | 506 | 632 |
| 111 | Molecular Pharmacology | 19 | 971 | 168 | 254 |
| 112 | Molecules | 36 | 956 | 112 | 219 |
| 113 | Photochemistry | 17 | 893 | 232 | 164 |
| 113 | Biomolecules | 7 | 893 | 207 | 142 |
| 115 | fuel cells | 18 | 872 | 588 | 791 |
| 116 | Bacteriology | 15 | 852 | 830 | 973 |
| 117 | Biosensors | 14 | 848 | 425 | 416 |
| 118 | protein | 29 | 843 | 361 | 603 |
| 119 | Energy Storage | 22 | 838 | 325 | 371 |
| 120 | nucleic acids | 14 | 837 | 1.9K | 3.0K |
| 121 | Metallurgy | 35 | 831 | 238 | 199 |
| 122 | energy development | 4 | 813 | 373 | 247 |
| 123 | Mathematical Physics | 42 | 801 | 315 | 389 |
| 124 | Environmental Microbiology | 15 | 795 | 409 | 573 |
| 125 | Hematology | 32 | 793 | 3.1K | 5.5K |
| 126 | Immunology | 14 | 786 | 6.1K | 6.5K |
| 127 | Bioelectronics | 11 | 759 | 417 | 413 |
| 128 | Pharmacy | 15 | 749 | 1.1K | 616 |
| 129 | Neurology | 11 | 731 | 14.9K | 13.7K |
| 130 | Pharmacognosy | 18 | 720 | 478 | 498 |
| 131 | Water quality management | 28 | 716 | 184 | 210 |
| 132 | Histology | 17 | 710 | 833 | 1.1K |
| 133 | Structure-activity relationship | 3 | 706 | 393 | 145 |
| 134 | Calorimetry | 28 | 693 | 101 | 70 |
| 134 | Thermal analysis | 28 | 693 | 101 | 70 |
| 136 | lasers | 8 | 672 | 1.1K | 273 |
| 137 | Spectrum analysis | 44 | 669 | 720 | 1.3K |
| 138 | Waste management | 27 | 668 | 111 | 124 |
| 138 | Drug delivery systems | 13 | 668 | 370 | 579 |
| 140 | Water Purification | 24 | 663 | 119 | 117 |
| 141 | Energy Harvesting | 10 | 646 | 242 | 346 |
| 142 | Neurochemistry | 13 | 644 | 2.7K | 2.5K |
| 143 | Mathematics | 13 | 631 | 4.4K | 1.2K |
| 144 | Cancer | 10 | 622 | 8.3K | 8.1K |
| 145 | wood | 14 | 612 | 55 | 20 |
| 146 | Computational Chemistry | 25 | 594 | 58 | 363 |
| 147 | biological monitoring | 26 | 590 | 12 | 55 |
| 148 | Computational Biology | 19 | 581 | 1.6K | 3.5K |
| 149 | Meteorology | 5 | 561 | 2.3K | 1.3K |
| 150 | Geochemistry | 23 | 559 | 167 | 186 |
| 150 | Cosmochemistry | 23 | 559 | 9 | 4 |
| 152 | Bioinorganic chemistry | 21 | 556 | 315 | 335 |
| 153 | Industrial Engineering | 35 | 532 | 274 | 696 |
| 153 | Nuclear Chemistry | 44 | 532 | 59 | 77 |
| 153 | Radiochemistry | 44 | 532 | 83 | 94 |
| 156 | Engineering | 14 | 531 | 1.5K | 757 |
| 157 | Metabolism | 10 | 521 | 5.0K | 5.1K |
| 158 | environmental protection | 16 | 514 | 922 | 1.6K |
| 159 | Immunity | 6 | 473 | 4.4K | 5.6K |
| 160 | Earth Sciences | 5 | 469 | 2.5K | 872 |
| 161 | Microfabrication | 5 | 465 | 161 | 49 |
| 162 | Genomics | 11 | 460 | 3.3K | 3.2K |
| 163 | food technology | 11 | 456 | 1.1K | 864 |
| 164 | Solid State Chemistry | 18 | 444 | 381 | 330 |
| 165 | Fluid Mechanics | 19 | 443 | 681 | 1.0K |
| 166 | micromechanics | 2 | 420 | 694 | 76 |
| 167 | Hazardous waste | 7 | 418 | 238 | 225 |
| 168 | gene mapping | 6 | 415 | 2.7K | 2.3K |
| 169 | Medical innovations | 7 | 413 | 868 | 2.4K |
| 170 | synthesis | 23 | 412 | 179 | 139 |
| 171 | Environmental Law | 8 | 411 | 599 | 847 |
| 172 | Leukemia | 3 | 400 | 2.8K | 1.3K |
| 172 | Primates | 9 | 400 | 389 | 295 |
| 174 | industrial waste | 5 | 399 | 263 | 217 |
| 175 | radioactive waste | 4 | 398 | 319 | 217 |
| 176 | Organometallic chemistry | 17 | 397 | 479 | 369 |
| 177 | Antibodies | 2 | 396 | 632 | 88 |
| 177 | Antigens | 2 | 396 | 1.6K | 231 |
| 179 | Crystallography | 40 | 392 | 251 | 365 |
| 180 | Neurophysiology | 4 | 391 | 9.5K | 6.5K |
| 180 | Chromosome mapping | 5 | 391 | 2.5K | 1.6K |
| 182 | Quantum theory | 26 | 387 | 23 | 73 |
| 183 | Developmental Biology | 7 | 386 | 4.0K | 5.0K |
| 183 | drug development | 6 | 386 | 1.1K | 2.5K |
| 185 | Public Health | 3 | 379 | 18.3K | 6.9K |
| 186 | Molecular recognition | 1 | 376 | 819 | 83 |
| 187 | Nutrition | 16 | 374 | 3.5K | 7.1K |
| 188 | Quantum Chemistry | 32 | 351 | 72 | 168 |
| 189 | biofuels | 10 | 350 | 88 | 217 |
| 190 | Agricultural Chemistry | 12 | 348 | 1.9K | 2.5K |
| 191 | Oncogenes | 4 | 341 | 3.4K | 3.3K |
| 191 | Electrochemical Analysis | 15 | 341 | 193 | 246 |
| 193 | Industry | 1 | 339 | 477 | 92 |
| 194 | Aerosols | 6 | 333 | 162 | 143 |
| 195 | enzymes | 16 | 321 | 280 | 813 |
| 196 | Quantum electronics | 6 | 319 | 1.1K | 431 |
| 196 | United Kingdom | 9 | 319 | 1.3K | 2.2K |
| 198 | Magnetic Materials | 13 | 316 | 821 | 1.0K |
| 199 | Physiology | 17 | 315 | 4.2K | 9.7K |
| 200 | Endocrinology | 9 | 314 | 6.6K | 10.2K |
| 200 | Pharmaceutical Technology | 6 | 314 | 1.6K | 1.1K |
| 202 | Embryology | 6 | 305 | 3.6K | 4.5K |
| 203 | Biodegradation | 4 | 301 | 186 | 60 |
| 203 | Water Microbiology | 4 | 301 | 208 | 77 |
| 203 | Fouling | 4 | 301 | 124 | 51 |
| 206 | Photobiology | 6 | 295 | 283 | 143 |
| 206 | catalytic activity | 5 | 295 | 816 | 528 |
| 208 | Hydrology | 8 | 288 | 1.6K | 1.5K |
| 209 | Cell death | 2 | 284 | 5.7K | 2.4K |
| 210 | Growth | 4 | 280 | 3.0K | 3.7K |
| 211 | air quality management | 10 | 275 | 60 | 165 |
| 211 | indoor air pollution | 10 | 275 | 93 | 180 |
| 211 | Ventilation | 10 | 275 | 140 | 196 |
| 211 | Sick building syndrome | 10 | 275 | 93 | 180 |
| 215 | Drug design | 13 | 269 | 477 | 1.4K |
| 216 | Chemical industry | 10 | 265 | 571 | 376 |
| 217 | Genetics | 8 | 263 | 8.3K | 14.6K |
| 218 | Information Theory | 7 | 262 | 786 | 686 |
| 219 | Therapeutics | 6 | 261 | 3.3K | 4.2K |
| 220 | Anatomy | 4 | 259 | 5.4K | 4.8K |
| 220 | Food | 18 | 259 | 1.2K | 3.0K |
| 220 | Atomic spectroscopy | 4 | 259 | 594 | 198 |
| 223 | Automation | 1 | 252 | 6.0K | 1.4K |
| 223 | Chemical processes | 3 | 252 | 676 | 185 |
| 225 | Fisheries | 1 | 251 | 3.0K | 523 |
| 226 | Allergy | 1 | 247 | 7.0K | 4.3K |
| 227 | Quantum Optics | 1 | 246 | 1.5K | 209 |
| 227 | biological evolution | 6 | 246 | 2.7K | 3.6K |
| 227 | Laser Spectroscopy | 1 | 246 | 1.5K | 200 |
| 230 | Biogeochemistry | 8 | 234 | 437 | 756 |
| 231 | Membranes | 16 | 232 | 291 | 1.4K |
| 232 | Composite Materials | 16 | 227 | 253 | 527 |
| 233 | Host-parasite interactions | 5 | 226 | 2.1K | 4.2K |
| 233 | Virulence | 5 | 226 | 2.0K | 3.6K |
| 235 | Analytical Biochemistry | 15 | 225 | 304 | 889 |
| 236 | Crystal growth | 7 | 222 | 795 | 848 |
| 237 | Pharmacogenetics | 4 | 217 | 2.0K | 1.9K |
| 237 | Genetic therapy | 4 | 217 | 2.8K | 2.8K |
| 239 | Thin Films | 22 | 203 | 17 | 83 |
| 240 | Cardiovascular system | 2 | 198 | 9.6K | 13.9K |
| 241 | Microwaves | 1 | 196 | 3.0K | 629 |
| 242 | Sustainable Development | 4 | 195 | 960 | 972 |
| 242 | sustainability | 4 | 195 | 267 | 453 |
| 244 | cell physiology | 6 | 191 | 3.1K | 5.6K |
| 245 | Microfluidics | 7 | 187 | 58 | 119 |
| 246 | Economic Development | 3 | 184 | 1.0K | 849 |
| 247 | Nanochemistry | 12 | 180 | 324 | 492 |
| 248 | Microbial Biotechnology | 5 | 177 | 716 | 731 |
| 248 | calcification | 4 | 177 | 528 | 616 |
| 250 | Plastics | 10 | 175 | 717 | 833 |
| 251 | Structural dynamics | 9 | 174 | 259 | 466 |
| 251 | Synthetic biology | 7 | 174 | 268 | 383 |
| 253 | Electrophoresis | 7 | 173 | 1.6K | 1.8K |
| 254 | Nuclear Engineering | 20 | 170 | 193 | 336 |
| 254 | Inorganic Polymers | 5 | 170 | 11 | 5 |
| 254 | Organometallic polymers | 5 | 170 | 11 | 5 |
| 257 | Food Policy | 10 | 168 | 27 | 63 |
| 257 | Nutrition physiology | 10 | 168 | 200 | 909 |
| 257 | world | 10 | 168 | 31 | 87 |
| 257 | Agriculture | 10 | 168 | 968 | 1.9K |
| 261 | Diagnostic Imaging | 4 | 167 | 4.2K | 3.3K |
| 262 | Flow cytometry | 3 | 164 | 544 | 379 |
| 263 | Botany | 7 | 163 | 5.8K | 9.6K |
| 264 | Systems Biology | 8 | 162 | 1.0K | 1.7K |
| 265 | infection | 6 | 160 | 1.5K | 2.7K |
| 266 | Biodiversity | 4 | 153 | 2.9K | 2.7K |
| 267 | Zoology | 5 | 150 | 2.9K | 2.6K |
| 268 | Chemical Ecology | 2 | 149 | 891 | 558 |
| 268 | pheromones | 2 | 149 | 784 | 519 |
| 270 | Quantum Communication | 4 | 148 | 56 | 82 |
| 271 | Technological Innovations | 9 | 144 | 106 | 397 |
| 271 | Catalysts | 5 | 144 | 591 | 501 |
| 273 | Plant genetic engineering | 3 | 143 | 1.5K | 1.7K |
| 274 | Raman spectroscopy | 3 | 142 | 526 | 324 |
| 274 | Gene library | 5 | 142 | 63 | 136 |
| 276 | Ophthalmology | 4 | 141 | 3.0K | 2.9K |
| 277 | Dynamics | 17 | 140 | 305 | 834 |
| 277 | Protein engineering | 6 | 140 | 88 | 271 |
| 277 | molecular design | 6 | 140 | 87 | 261 |
| 280 | Immunotherapy | 2 | 136 | 7.5K | 6.5K |
| 280 | Plant physiology | 6 | 136 | 2.6K | 5.2K |
| 282 | Animal ecology | 5 | 134 | 1.2K | 1.6K |
| 283 | Medical Technology | 5 | 133 | 1.0K | 1.8K |
| 284 | Sulfur | 4 | 132 | 76 | 17 |
| 285 | ecosystem | 5 | 127 | 980 | 2.1K |
| 286 | Radiation | 5 | 125 | 1.2K | 1.3K |
| 287 | Biometrics | 1 | 124 | 4.9K | 1.9K |
| 287 | Microscopy | 36 | 124 | 120 | 1.7K |
| 289 | Comparative Physiology | 2 | 119 | 1.3K | 909 |
| 290 | Agricultural Ecology | 2 | 116 | 2.0K | 2.1K |
| 291 | Epidemiology | 5 | 115 | 8.3K | 11.8K |
| 292 | drug evaluation | 5 | 114 | 1.1K | 1.6K |
| 293 | optical instruments | 2 | 113 | 416 | 289 |
| 294 | plant molecular biology | 3 | 112 | 3.6K | 5.6K |
| 295 | Plant Genetics | 2 | 111 | 1.7K | 1.9K |
| 295 | Bioinformatics | 8 | 111 | 3.1K | 9.3K |
| 297 | Neuropsychology | 2 | 109 | 8.3K | 6.0K |
| 297 | Extracellular matrix | 2 | 109 | 336 | 660 |
| 297 | collagen | 2 | 109 | 356 | 678 |
| 300 | Spine | 1 | 108 | 2.9K | 1.7K |
| 301 | Pesticide residues | 2 | 107 | 37 | 54 |
| 301 | Food additives | 2 | 107 | 1.5K | 767 |
| 301 | food contamination | 2 | 107 | 1.8K | 738 |
| 304 | Synchrotron Radiation | 2 | 104 | 356 | 148 |
| 304 | X-ray crystallography | 3 | 104 | 1.1K | 617 |
| 306 | Quantum Computing | 5 | 99 | 29 | 54 |
| 306 | Trace elements | 6 | 99 | 101 | 479 |
| 308 | genome | 6 | 98 | 3.0K | 10.7K |
| 309 | Artificial Organs | 3 | 97 | 1.2K | 793 |
| 310 | Medical Oncology | 2 | 93 | 9.7K | 9.0K |
| 311 | Lipids | 2 | 91 | 3.6K | 4.0K |
| 311 | Radio | 3 | 91 | 1.5K | 1.7K |
| 313 | Ferroelectricity | 3 | 90 | 1.0K | 544 |
| 314 | Ultrasonics | 2 | 88 | 1.6K | 1.6K |
| 314 | Sound | 2 | 88 | 1.3K | 739 |
| 314 | Groundwater | 4 | 88 | 780 | 1.1K |
| 314 | Evolution | 4 | 88 | 3.4K | 6.5K |
| 314 | Ultrasound | 2 | 88 | 772 | 573 |
| 314 | Radio frequency | 2 | 88 | 642 | 340 |
| 320 | Tissue Engineering | 5 | 87 | 144 | 479 |
| 321 | Animal Behavior | 2 | 86 | 4.5K | 5.5K |
| 322 | Medical genetics | 2 | 85 | 20.3K | 24.3K |
| 322 | Gene expression regulation | 4 | 85 | 1.9K | 4.6K |
| 322 | Cellulose | 6 | 85 | 282 | 830 |
| 325 | Radioisotopes | 7 | 83 | 471 | 621 |
| 326 | Transplantation | 3 | 82 | 4.8K | 7.1K |
| 326 | viruses | 2 | 82 | 5.8K | 7.5K |
| 328 | Biological Systems | 5 | 81 | 300 | 994 |
| 329 | Leadership | 1 | 77 | 101 | 27 |
| 329 | Chemical kinetics | 9 | 77 | 324 | 463 |
| 329 | Adhesion | 3 | 77 | 322 | 285 |
| 329 | management | 1 | 77 | 5.1K | 2.4K |
| 329 | adhesives | 3 | 77 | 336 | 285 |
| 334 | Quantum Gravity | 2 | 76 | 2.1K | 1.7K |
| 335 | Electrical Engineering | 33 | 75 | 677 | 2.7K |
| 335 | Radiobiology | 3 | 75 | 4.8K | 5.7K |
| 337 | Knot Theory | 5 | 74 | 87 | 49 |
| 338 | Origin of life | 1 | 71 | 283 | 160 |
| 338 | occupational diseases | 1 | 71 | 3.1K | 2.0K |
| 338 | Organelle biogenesis | 1 | 71 | 421 | 245 |
| 341 | Carcinogenesis | 1 | 69 | 5.7K | 4.8K |
| 341 | carcinogens | 1 | 69 | 6.7K | 5.5K |
| 341 | mutagens | 1 | 69 | 4.6K | 4.5K |
| 344 | electrocatalysis | 6 | 68 | 18 | 64 |
| 344 | freshwater biology | 3 | 68 | 913 | 1.4K |
| 346 | environmental exposure | 4 | 67 | 2.0K | 4.7K |
| 347 | Rheology | 7 | 66 | 272 | 724 |
| 348 | blood transfusion | 5 | 65 | 1.2K | 3.7K |
| 349 | Statistical Mechanics | 8 | 63 | 228 | 554 |
| 350 | Kinetics | 6 | 60 | 272 | 638 |
| 351 | Papermaking | 11 | 59 | 18 | 39 |
| 352 | Psychophysiology | 1 | 57 | 15.2K | 14.4K |
| 353 | Nuclear Medicine | 3 | 55 | 2.2K | 3.6K |
| 354 | Combustion | 2 | 54 | 838 | 623 |
| 354 | Liquid chromatography | 7 | 54 | 258 | 489 |
| 356 | Genes | 3 | 53 | 2.3K | 4.2K |
| 357 | Surface-Active Agents | 2 | 52 | 2.1K | 3.8K |
| 357 | Surface properties | 2 | 52 | 2.1K | 3.8K |
| 357 | Brain | 1 | 52 | 15.5K | 13.2K |
| 357 | Informatics | 8 | 52 | 442 | 2.6K |
| 361 | energy conservation | 4 | 50 | 1.1K | 2.7K |
| 361 | Solutions | 6 | 50 | 203 | 418 |
| 361 | coal | 1 | 50 | 59 | 108 |
| 364 | Neurobiology | 3 | 49 | 6.3K | 13.2K |
| 364 | Supramolecular chemistry | 2 | 49 | 370 | 228 |
| 364 | Liver diseases | 1 | 49 | 9.0K | 11.6K |
| 367 | Product life cycle | 1 | 48 | 535 | 485 |
| 367 | green products | 1 | 48 | 478 | 475 |
| 369 | artificial cells | 3 | 46 | 78 | 116 |
| 370 | Proteomics | 2 | 45 | 3.3K | 6.3K |
| 370 | industrial hygiene | 11 | 45 | 305 | 1.7K |
| 372 | Oceanography | 3 | 44 | 2.3K | 4.1K |
| 372 | Bioenergetics | 1 | 44 | 2.2K | 2.6K |
| 372 | Energy metabolism | 1 | 44 | 1.5K | 2.0K |
| 372 | Hematopoietic stem cell transplantation | 1 | 44 | 2.3K | 3.1K |
| 372 | cell membrane | 1 | 44 | 1.3K | 1.7K |
| 372 | drug therapy | 2 | 44 | 10.0K | 16.6K |
| 378 | Climatology | 2 | 43 | 3.2K | 4.7K |
| 378 | Plant cells | 1 | 43 | 6.1K | 9.2K |
| 380 | Crystallization | 3 | 42 | 620 | 557 |
| 381 | Quality Control | 4 | 41 | 947 | 2.3K |
| 381 | Nanophotonics | 1 | 41 | 1.0K | 1.0K |
| 381 | Heart Failure | 1 | 41 | 1.3K | 2.6K |
| 381 | Molecular Spectroscopy | 2 | 41 | 2.8K | 3.7K |
| 381 | foods | 4 | 41 | 121 | 308 |
| 386 | occupational health and safety | 9 | 40 | 83 | 418 |
| 386 | Neurons | 1 | 40 | 4.7K | 8.7K |
| 386 | Heterocyclic compounds | 4 | 40 | 1.0K | 1.2K |
| 389 | Fluid Dynamics | 2 | 39 | 1.4K | 1.4K |
| 390 | Astrophysics | 5 | 38 | 2.6K | 4.4K |
| 391 | Pathology | 1 | 37 | 22.0K | 24.2K |
| 391 | Diagnosis | 1 | 37 | 2.8K | 1.7K |
| 393 | Psychiatry | 2 | 34 | 20.7K | 33.6K |
| 393 | Fluorescence | 2 | 34 | 633 | 848 |
| 395 | Molecular Microbiology | 3 | 33 | 2.3K | 7.1K |
| 395 | Bioremediation | 2 | 33 | 467 | 1.1K |
| 395 | Enzyme | 2 | 33 | 347 | 881 |
| 395 | Textile industry | 2 | 33 | 602 | 533 |
| 399 | Plant Biotechnology | 1 | 32 | 2.5K | 3.1K |
| 399 | Diabetes mellitus | 1 | 32 | 14.7K | 19.3K |
| 399 | Water quality | 1 | 32 | 573 | 543 |
| 399 | blood substitutes | 2 | 32 | 94 | 152 |
| 399 | Water chemistry | 1 | 32 | 768 | 669 |
| 399 | Diabetes | 1 | 32 | 15.7K | 20.0K |
| 405 | Materials Engineering | 4 | 31 | 340 | 980 |
| 406 | peptides | 5 | 30 | 838 | 3.3K |
| 407 | Global Health | 1 | 29 | 4.0K | 2.7K |
| 407 | Human genetics | 4 | 29 | 8.3K | 28.7K |
| 407 | Ethology | 1 | 29 | 4.8K | 7.7K |
| 407 | Globalization | 1 | 29 | 806 | 975 |
| 407 | breastfeeding | 2 | 29 | 955 | 1.7K |
| 407 | visualization | 8 | 29 | 1.1K | 3.6K |
| 407 | Social behavior | 1 | 29 | 3.9K | 5.4K |
| 407 | international cooperation | 1 | 29 | 1.1K | 1.4K |
| 415 | Reproduction | 2 | 28 | 9.0K | 15.4K |
| 416 | Pharmacokinetics | 1 | 27 | 3.7K | 4.2K |
| 416 | Metals | 4 | 27 | 1.6K | 2.9K |
| 418 | Pediatrics | 2 | 25 | 13.3K | 26.1K |
| 418 | Electronic Packaging | 1 | 25 | 512 | 490 |
| 418 | Molecular evolution | 2 | 25 | 4.3K | 9.9K |
| 418 | Respiration | 1 | 25 | 8.1K | 10.6K |
| 418 | energy resources | 4 | 25 | 134 | 1.8K |
| 423 | Health Policy | 1 | 24 | 11.4K | 14.0K |
| 423 | Health Services Research | 1 | 24 | 6.5K | 6.6K |
| 423 | Molecular Genetics | 1 | 24 | 10.1K | 14.5K |
| 423 | Optoelectronic devices | 1 | 24 | 1.9K | 1.0K |
| 427 | Smoking | 1 | 23 | 2.7K | 3.5K |
| 427 | Oxidation | 2 | 23 | 153 | 266 |
| 429 | Ceramics | 3 | 22 | 2.5K | 5.5K |
| 429 | atmosphere | 1 | 22 | 491 | 585 |
| 431 | Hydrogeology | 1 | 21 | 2.2K | 2.4K |
| 431 | Paleoclimatology | 1 | 21 | 1.0K | 1.5K |
| 431 | Thermodynamics | 3 | 21 | 499 | 885 |
| 431 | Developmental Genetics | 1 | 21 | 3.5K | 6.2K |
| 431 | Food texture | 1 | 21 | 408 | 593 |
| 431 | particles | 4 | 21 | 305 | 1.9K |
| 431 | irreversible processes | 3 | 21 | 24 | 78 |
| 431 | Glass | 2 | 21 | 2.7K | 5.2K |
| 431 | Nonequilibrium thermodynamics | 3 | 21 | 24 | 78 |
| 431 | pottery | 2 | 21 | 2.6K | 5.1K |
| 441 | Economics | 1 | 20 | 8.8K | 8.5K |
| 441 | Radiopharmaceuticals | 4 | 20 | 399 | 939 |
| 441 | Natural resources | 1 | 20 | 1.2K | 1.4K |
| 441 | Mycology | 1 | 20 | 4.7K | 5.9K |
| 441 | Algae | 1 | 20 | 2.3K | 3.5K |
| 441 | Seaweed | 1 | 20 | 1.8K | 3.0K |
| 441 | China | 2 | 20 | 7.4K | 12.3K |
| 441 | Fungi | 1 | 20 | 2.2K | 3.1K |
| 449 | Histochemistry | 2 | 19 | 3.6K | 8.7K |
| 449 | Solar Energy | 1 | 19 | 1.2K | 1.8K |
| 449 | solar power | 1 | 19 | 390 | 964 |
| 449 | Electron Microscopy | 1 | 19 | 1.2K | 2.0K |
| 449 | solar cells | 1 | 19 | 741 | 1.5K |
| 454 | Health | 1 | 18 | 12.4K | 16.3K |
| 454 | gene therapy | 1 | 18 | 7.1K | 12.6K |
| 454 | biological agents | 12 | 18 | 150 | 981 |
| 457 | Nuclear Energy | 6 | 17 | 319 | 1.0K |
| 457 | Tribology | 2 | 17 | 1.3K | 2.2K |
| 457 | Engineering Economics | 1 | 17 | 59 | 50 |
| 457 | Clinical Biochemistry | 2 | 17 | 2.8K | 7.9K |
| 457 | Computational Fluid Dynamics | 2 | 17 | 354 | 679 |
| 462 | Magnetic Resonance Imaging | 4 | 16 | 354 | 2.3K |
| 462 | Thrombosis | 3 | 16 | 3.5K | 18.8K |
| 462 | Electrophysiology | 2 | 16 | 1.5K | 5.2K |
| 462 | Carbohydrates | 2 | 16 | 905 | 2.7K |
| 462 | vascular diseases | 3 | 16 | 2.6K | 16.5K |
| 462 | Tropical Medicine | 1 | 16 | 6.3K | 8.8K |
| 468 | Alternative Medicine | 1 | 15 | 8.8K | 12.8K |
| 468 | RNA | 2 | 15 | 1.7K | 5.1K |
| 468 | Entomology | 2 | 15 | 4.7K | 8.6K |
| 468 | Plants | 3 | 15 | 4.8K | 13.4K |
| 472 | Education | 1 | 14 | 12.3K | 13.9K |
| 472 | curriculum evaluation | 1 | 14 | 34 | 125 |
| 472 | scientific research | 3 | 14 | 33 | 116 |
| 472 | amino acids | 2 | 14 | 1.1K | 4.0K |
| 476 | Nursing | 1 | 13 | 6.4K | 8.4K |
| 476 | Ethics | 1 | 13 | 3.0K | 4.1K |
| 476 | Nanoelectronics | 3 | 13 | 368 | 948 |
| 476 | Magnetohydrodynamics | 3 | 13 | 202 | 537 |
| 476 | vibration | 1 | 13 | 2.9K | 3.0K |
| 476 | Medical Ethics | 1 | 13 | 4.0K | 4.7K |
| 476 | elasticity | 1 | 13 | 347 | 464 |
| 476 | Societies | 1 | 13 | 856 | 1.1K |
| 476 | United States | 2 | 13 | 19.3K | 37.8K |
| 476 | Jurisprudence | 1 | 13 | 4.0K | 5.3K |
| 476 | Yeast | 1 | 13 | 1.7K | 2.9K |
| 487 | Geology | 2 | 12 | 5.7K | 10.6K |
| 487 | Astronomy | 3 | 12 | 4.0K | 7.5K |
| 487 | Paleontology | 2 | 12 | 2.8K | 5.5K |
| 487 | Drug targeting | 1 | 12 | 1.1K | 2.8K |
| 487 | silicon | 1 | 12 | 738 | 879 |
| 492 | Artificial Intelligence | 1 | 11 | 13.2K | 17.1K |
| 492 | Engineering Mathematics | 1 | 11 | 9.4K | 9.7K |
| 492 | Energy Policy | 1 | 11 | 2.5K | 4.0K |
| 492 | Adsorption | 1 | 11 | 339 | 627 |
| 492 | Neural circuitry | 1 | 11 | 3.6K | 6.5K |
| 492 | global environmental change | 1 | 11 | 1.2K | 2.5K |
| 492 | Great Lakes | 1 | 11 | 44 | 139 |
| 492 | Aquaculture | 3 | 11 | 847 | 3.1K |
| 500 | Emulsions | 1 | 10 | 1.1K | 1.5K |
| 500 | forestry | 1 | 10 | 437 | 1.1K |
| 500 | Japan | 4 | 10 | 3.0K | 10.1K |
| 503 | Oncology | 1 | 9 | 17.9K | 31.5K |
| 503 | Medical Microbiology | 2 | 9 | 8.2K | 24.8K |
| 503 | soil conservation | 2 | 9 | 1.1K | 3.7K |
| 503 | soil pollution | 2 | 9 | 574 | 2.1K |
| 503 | Metabolic diseases | 1 | 9 | 22.4K | 40.0K |
| 503 | Entropy | 1 | 9 | 3.7K | 5.0K |
| 509 | supercritical fluids | 1 | 8 | 150 | 473 |
| 509 | Criminal investigation | 4 | 8 | 80 | 660 |
| 511 | Information Systems | 1 | 7 | 3.0K | 6.5K |
| 511 | Ecosystem management | 1 | 7 | 1.3K | 2.7K |
| 511 | Aquatic ecosystems | 1 | 7 | 320 | 622 |
| 511 | Documentation | 1 | 7 | 495 | 1.1K |
| 511 | Learning | 1 | 7 | 3.6K | 6.7K |
| 511 | Methodology | 2 | 7 | 458 | 1.5K |
| 511 | Methods | 2 | 7 | 167 | 494 |
| 511 | mental processes | 1 | 7 | 1.3K | 2.6K |
| 511 | herbicides | 1 | 7 | 676 | 1.5K |
| 511 | Cognition | 1 | 7 | 6.0K | 10.9K |
| 511 | Aquatic ecology | 1 | 7 | 2.2K | 4.4K |
| 522 | Glaciology | 2 | 6 | 342 | 865 |
| 522 | Heterocyclic chemistry | 1 | 6 | 1.2K | 1.7K |
| 522 | starch | 3 | 6 | 367 | 1.7K |
| 522 | Protozoa | 1 | 6 | 1.1K | 2.5K |
| 522 | glaciers | 2 | 6 | 327 | 831 |
| 522 | Culture techniques | 1 | 6 | 794 | 1.8K |
| 528 | Mechanical Engineering | 1 | 5 | 6.7K | 9.3K |
| 528 | Occupational Health | 2 | 5 | 2.1K | 6.3K |
| 528 | Municipal Engineering | 3 | 5 | 131 | 1.7K |
| 528 | Control Theory | 2 | 5 | 3.3K | 7.8K |
| 528 | Chemical safety | 2 | 5 | 34 | 102 |
| 528 | Cytoskeleton | 1 | 5 | 1.1K | 3.0K |
| 528 | Hemophilia | 1 | 5 | 1.5K | 2.9K |
| 528 | Iron | 2 | 5 | 615 | 1.5K |
| 528 | Chemical structure | 2 | 5 | 714 | 2.0K |
| 528 | Safety management | 1 | 5 | 1.1K | 2.7K |
| 538 | Psychology | 1 | 4 | 27.4K | 48.1K |
| 538 | Nanomedicine | 1 | 4 | 775 | 3.0K |
| 538 | Soil Science | 1 | 4 | 3.9K | 8.1K |
| 538 | Numerical Analysis | 1 | 4 | 6.1K | 9.2K |
| 538 | Fracture mechanics | 1 | 4 | 1.7K | 3.0K |
| 538 | Cinematography | 1 | 4 | 77 | 71 |
| 538 | Television | 1 | 4 | 139 | 131 |
| 538 | Thorax | 1 | 4 | 1.8K | 4.3K |
| 546 | Environmental Geology | 1 | 3 | 2.6K | 5.7K |
| 546 | Probability | 1 | 3 | 1.5K | 3.6K |
| 546 | Risk Management | 1 | 3 | 1.7K | 4.7K |
| 546 | Image Processing | 1 | 3 | 5.4K | 10.4K |
| 546 | health services accessibility | 1 | 3 | 3.0K | 6.0K |
| 546 | bioclimatology | 1 | 3 | 1.9K | 4.4K |
| 546 | Antibacterial agents | 1 | 3 | 1.5K | 4.4K |
| 546 | Financial management | 1 | 3 | 1.0K | 3.1K |
| 546 | Risk | 1 | 3 | 1.4K | 3.7K |
| 546 | geological modeling | 1 | 3 | 1.0K | 2.3K |
| 546 | Radio waves | 1 | 3 | 1.5K | 2.5K |
| 546 | Imaging systems | 1 | 3 | 1.1K | 2.3K |
| 546 | Climate | 1 | 3 | 986 | 2.8K |
| 546 | textile fibers | 1 | 3 | 1.1K | 2.2K |
| 546 | weather | 1 | 3 | 961 | 2.6K |
| 546 | Chromatographic analysis | 1 | 3 | 7.9K | 15.7K |
| 546 | optical devices | 1 | 3 | 935 | 1.8K |
| 546 | gastrointestinal tract | 1 | 3 | 1.3K | 3.8K |
| 564 | Civil Engineering | 1 | 2 | 3.9K | 7.2K |
| 564 | Mineralogy | 1 | 2 | 3.0K | 5.6K |
| 564 | Medical Physics | 2 | 2 | 5.3K | 15.3K |
| 564 | Food inspection | 1 | 2 | 91 | 309 |
| 564 | food quality | 1 | 2 | 91 | 309 |
| 564 | Chemical reactors | 1 | 2 | 234 | 485 |
| 570 | Plant Ecology | 1 | 1 | 4.5K | 9.9K |
| 570 | Fishery management | 1 | 1 | 1.5K | 4.0K |
| 570 | Contraception | 1 | 1 | 1.6K | 4.0K |
| 570 | Reproductive health | 1 | 1 | 2.8K | 7.1K |
| 570 | Environmental Geochemistry | 1 | 1 | 1.1K | 3.0K |
| 570 | Minerals | 1 | 1 | 1.4K | 3.5K |
| 570 | Birth control | 1 | 1 | 1.3K | 3.5K |
| 577 | Systems Engineering | 1 | 0 | 6.2K | 12.3K |
| 577 | Nephrology | 1 | 0 | 2.6K | 6.6K |
| 577 | Data Mining | 1 | 0 | 4.1K | 11.3K |
| 577 | Cybernetics | 1 | 0 | 4.5K | 10.2K |
| 577 | Operations Research | 2 | 0 | 3.0K | 8.7K |
| 577 | Dialysis | 1 | 0 | 454 | 1.1K |
| 577 | Kidney transplantation | 1 | 0 | 343 | 881 |
| 577 | Mental Disorders | 1 | 0 | 21.5K | 43.5K |
| 577 | Liquid Crystals | 1 | 0 | 2.4K | 4.5K |
| 577 | Regeneration | 1 | 0 | 238 | 894 |
| 577 | Politics | 1 | 0 | 783 | 2.2K |
| 577 | Adolescent Psychology | 1 | 0 | 2.6K | 6.5K |
| 577 | disarmament | 1 | 0 | 135 | 478 |
| 577 | System analysis | 1 | 0 | 6.8K | 15.7K |
| 577 | nuclear power | 1 | 0 | 317 | 980 |
| 577 | data collection | 1 | 0 | 2.6K | 7.7K |
| 577 | Adolescent | 1 | 0 | 10.1K | 22.6K |
| 577 | government | 1 | 0 | 1.2K | 3.2K |
| 577 | Diplomatic relations | 1 | 0 | 929 | 2.2K |
| 577 | strategy | 1 | 0 | 275 | 711 |
| 577 | Nonlinear systems | 1 | 0 | 1.6K | 3.7K |
| 577 | Kidney diseases | 1 | 0 | 4.2K | 10.4K |