7.6K(top 0.1%)
papers
272.4K(top 0.1%)
citations
180(top 0.1%)
h-index
309(top 0.1%)
g-index
8.8K
all documents
296.9K
doc citations
10.9K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 1 | Chemistry | 1,267 | 52,296 | 145 | 285 |
| 2 | Polymers | 522 | 24,103 | 55 | 26 |
| 3 | polymerization | 353 | 12,286 | 72 | 56 |
| 4 | Pollution | 193 | 12,166 | 164 | 142 |
| 5 | Materials | 217 | 10,305 | 410 | 538 |
| 6 | Biochemistry | 290 | 9,349 | 708 | 1.2K |
| 7 | Physics | 204 | 8,815 | 730 | 2.6K |
| 8 | Biology | 163 | 8,779 | 1.5K | 3.2K |
| 9 | Nanotechnology | 148 | 7,985 | 602 | 704 |
| 10 | Analytical Chemistry | 265 | 7,909 | 141 | 185 |
| 11 | Science | 117 | 7,511 | 2.3K | 4.3K |
| 12 | Pharmaceutical Chemistry | 181 | 6,831 | 135 | 168 |
| 13 | Environment | 98 | 6,314 | 257 | 379 |
| 14 | Environmental Engineering | 85 | 6,170 | 241 | 216 |
| 15 | Geophysics | 31 | 6,089 | 1.1K | 188 |
| 16 | Ecology | 118 | 6,076 | 680 | 914 |
| 17 | Environmental Health | 100 | 6,045 | 419 | 424 |
| 18 | Spectrum analysis | 182 | 5,844 | 163 | 254 |
| 19 | Clinical Chemistry | 142 | 5,774 | 56 | 86 |
| 20 | Biocompatible Materials | 122 | 5,773 | 429 | 488 |
| 21 | Atmospheric Physics | 28 | 5,772 | 344 | 93 |
| 22 | environmental pollution | 112 | 5,732 | 150 | 111 |
| 23 | Atmospheric Chemistry | 25 | 5,714 | 219 | 77 |
| 24 | nanoscience | 60 | 5,630 | 576 | 370 |
| 25 | Organic Chemistry | 195 | 5,302 | 112 | 181 |
| 26 | Molecular Biology | 146 | 5,043 | 1.3K | 3.1K |
| 27 | Environmental monitoring | 88 | 4,841 | 125 | 110 |
| 28 | Microbiology | 96 | 4,747 | 1.6K | 2.0K |
| 29 | Chromatography | 118 | 4,068 | 16 | 4 |
| 30 | Catalysis | 99 | 3,892 | 429 | 495 |
| 31 | Optical materials | 74 | 3,764 | 324 | 364 |
| 32 | Biotechnology | 94 | 3,695 | 625 | 1.3K |
| 33 | Medicine | 88 | 3,476 | 3.3K | 5.3K |
| 34 | Agricultural Chemistry | 78 | 3,469 | 201 | 159 |
| 35 | Natural history | 27 | 3,294 | 1.7K | 4.6K |
| 36 | Chemical Engineering | 86 | 3,258 | 394 | 497 |
| 37 | Green Chemistry | 84 | 3,221 | 101 | 165 |
| 38 | Bioengineering | 57 | 3,118 | 579 | 1.1K |
| 39 | environmental protection | 36 | 3,093 | 271 | 146 |
| 40 | Research | 74 | 2,734 | 2.7K | 3.1K |
| 41 | sanitation | 38 | 2,635 | 353 | 497 |
| 42 | Bioorganic chemistry | 104 | 2,632 | 145 | 291 |
| 43 | Chromatographic analysis | 108 | 2,540 | 42 | 29 |
| 44 | Materials Science | 88 | 2,509 | 775 | 1.3K |
| 45 | Immunology | 49 | 2,435 | 1.7K | 2.3K |
| 46 | Environmental Policy | 39 | 2,334 | 146 | 166 |
| 47 | Environmental Management | 52 | 2,277 | 62 | 119 |
| 48 | Biomass Energy | 37 | 2,144 | 235 | 235 |
| 49 | Water pollution | 57 | 2,051 | 156 | 269 |
| 50 | Food | 45 | 1,947 | 356 | 264 |
| 51 | Electrophoresis | 49 | 1,903 | 119 | 75 |
| 52 | Colloids | 60 | 1,778 | 536 | 769 |
| 53 | Biomedical Engineering | 19 | 1,707 | 2.5K | 909 |
| 54 | Mass Spectrometry | 41 | 1,704 | 128 | 101 |
| 55 | Biodiversity | 23 | 1,654 | 514 | 317 |
| 56 | Water | 22 | 1,501 | 430 | 393 |
| 57 | Nanostructured Materials | 57 | 1,474 | 792 | 1.2K |
| 58 | Hematology | 33 | 1,468 | 3.0K | 3.1K |
| 59 | Physical organic chemistry | 54 | 1,435 | 107 | 103 |
| 60 | Sustainable Engineering | 43 | 1,432 | 171 | 312 |
| 61 | Toxicology | 33 | 1,388 | 1.5K | 1.3K |
| 62 | Technology | 37 | 1,376 | 542 | 534 |
| 63 | food technology | 35 | 1,348 | 294 | 215 |
| 64 | Raman spectroscopy | 30 | 1,345 | 27 | 14 |
| 65 | Climate change | 7 | 1,258 | 747 | 582 |
| 66 | Biodiversity conservation | 5 | 1,257 | 1.8K | 740 |
| 66 | Eutrophication | 5 | 1,257 | 1.0K | 580 |
| 68 | biopolymers | 38 | 1,251 | 111 | 129 |
| 69 | Environmental Law | 10 | 1,248 | 471 | 210 |
| 70 | Surface Chemistry | 45 | 1,217 | 597 | 993 |
| 71 | Biogeochemistry | 14 | 1,148 | 246 | 183 |
| 72 | Photonics | 28 | 1,078 | 503 | 589 |
| 73 | Pharmaceutical Technology | 23 | 1,047 | 372 | 272 |
| 74 | Recycling | 5 | 1,033 | 4 | 1 |
| 75 | Tissue Engineering | 5 | 1,008 | 144 | 22 |
| 76 | Soil Science | 31 | 1,007 | 170 | 179 |
| 77 | Solid State Chemistry | 34 | 1,002 | 148 | 81 |
| 78 | Optics | 6 | 997 | 4.6K | 927 |
| 79 | radioactive waste | 18 | 993 | 17 | 38 |
| 79 | industrial waste | 18 | 993 | 20 | 38 |
| 79 | Hazardous waste | 18 | 993 | 36 | 43 |
| 82 | Plasma chemistry | 11 | 966 | 58 | 17 |
| 83 | Bioinorganic chemistry | 31 | 945 | 169 | 155 |
| 84 | catalytic activity | 18 | 927 | 204 | 152 |
| 85 | Nutrition | 21 | 918 | 2.6K | 2.7K |
| 86 | Organometallic chemistry | 36 | 908 | 147 | 104 |
| 87 | Biomolecules | 29 | 876 | 14 | 145 |
| 88 | Cytology | 13 | 860 | 8.2K | 9.5K |
| 89 | Biophysics | 43 | 818 | 2.5K | 4.2K |
| 90 | Cell Biology | 9 | 771 | 11.0K | 10.6K |
| 91 | miniaturization | 26 | 761 | 618 | 1.8K |
| 92 | Solid State Physics | 33 | 744 | 1.0K | 1.3K |
| 93 | Electrochemistry | 28 | 740 | 807 | 779 |
| 94 | Magnetic Materials | 33 | 738 | 257 | 443 |
| 95 | Molecular Spectroscopy | 17 | 714 | 307 | 148 |
| 96 | Plastics | 28 | 703 | 170 | 119 |
| 97 | Industrial Microbiology | 15 | 695 | 685 | 731 |
| 98 | Environmental Chemistry | 28 | 694 | 287 | 1.3K |
| 99 | Medical Laboratory Science | 14 | 684 | 578 | 691 |
| 100 | Geography | 9 | 682 | 1.1K | 593 |
| 101 | Microelectronics | 23 | 680 | 576 | 1.7K |
| 102 | Botany | 20 | 676 | 2.6K | 3.4K |
| 103 | United States | 9 | 673 | 5.7K | 2.2K |
| 104 | Marine Biology | 6 | 661 | 2.1K | 726 |
| 105 | Biogeochemical cycles | 5 | 652 | 249 | 209 |
| 106 | Phytochemistry | 10 | 638 | 21 | 10 |
| 106 | Phytoremediation | 10 | 638 | 21 | 10 |
| 106 | environmental remediation | 10 | 638 | 27 | 12 |
| 106 | Bioreactors | 10 | 638 | 21 | 10 |
| 110 | Soil biology | 19 | 637 | 29 | 61 |
| 110 | Soil fertility | 19 | 637 | 28 | 57 |
| 110 | Soil ecology | 19 | 637 | 31 | 57 |
| 113 | Condensed Matter | 24 | 636 | 1.3K | 1.4K |
| 114 | Lipids | 18 | 621 | 233 | 548 |
| 115 | Computational Chemistry | 19 | 618 | 101 | 355 |
| 116 | Food Microbiology | 19 | 604 | 275 | 417 |
| 117 | Product life cycle | 16 | 570 | 26 | 59 |
| 117 | green products | 16 | 570 | 25 | 59 |
| 119 | brewing | 35 | 569 | 12 | 18 |
| 120 | Radiochemistry | 49 | 553 | 72 | 88 |
| 121 | Microbial Ecology | 17 | 546 | 1.4K | 3.0K |
| 122 | Nuclear Chemistry | 47 | 544 | 52 | 73 |
| 123 | Plant physiology | 12 | 534 | 1.4K | 1.8K |
| 124 | Physical Chemistry | 16 | 525 | 1.4K | 1.9K |
| 125 | Microbial Metabolism | 5 | 522 | 67 | 16 |
| 126 | Water quality management | 33 | 512 | 132 | 318 |
| 127 | Fermentation | 29 | 504 | 7 | 8 |
| 128 | Waste management | 33 | 500 | 86 | 191 |
| 129 | Water Purification | 32 | 498 | 77 | 176 |
| 129 | Chemical analysis | 10 | 498 | 614 | 376 |
| 131 | Optical Communications | 3 | 496 | 816 | 94 |
| 131 | Nanostructures | 16 | 496 | 548 | 1.4K |
| 133 | Plasma polymerization | 5 | 495 | 112 | 28 |
| 134 | Crystallography | 10 | 487 | 1.2K | 282 |
| 135 | drug evaluation | 18 | 476 | 207 | 243 |
| 136 | proteins | 15 | 467 | 1.5K | 2.1K |
| 137 | Ultrasonics | 9 | 465 | 325 | 239 |
| 137 | Sonochemistry | 9 | 465 | 126 | 139 |
| 139 | Bacteriology | 9 | 458 | 1.4K | 1.7K |
| 140 | Agricultural Ecology | 10 | 454 | 382 | 570 |
| 140 | biological monitoring | 13 | 454 | 42 | 80 |
| 142 | plant molecular biology | 9 | 447 | 1.5K | 2.2K |
| 143 | synthesis | 25 | 446 | 163 | 123 |
| 144 | Microorganisms | 9 | 443 | 780 | 1.1K |
| 145 | Statistical physics | 9 | 435 | 2.8K | 1.6K |
| 146 | pollutants | 13 | 416 | 517 | 793 |
| 146 | Organometallic compounds | 24 | 416 | 372 | 594 |
| 146 | Environmental pollutants | 13 | 416 | 770 | 990 |
| 149 | Earth Sciences | 12 | 415 | 1.0K | 984 |
| 150 | Virology | 12 | 398 | 3.8K | 10.5K |
| 151 | Chemical industry | 12 | 394 | 459 | 241 |
| 152 | Biosensors | 7 | 391 | 988 | 1.1K |
| 153 | Membranes | 7 | 386 | 921 | 774 |
| 154 | Bioelectronics | 6 | 381 | 839 | 966 |
| 155 | Soft Condensed Matter | 9 | 375 | 659 | 502 |
| 156 | food contamination | 24 | 370 | 59 | 109 |
| 157 | Smart Materials | 2 | 366 | 1.0K | 144 |
| 158 | Artificial Intelligence | 1 | 361 | 13.2K | 1.9K |
| 158 | Intelligent Control Systems | 1 | 361 | 3.2K | 102 |
| 160 | Geology | 9 | 357 | 1.9K | 1.4K |
| 161 | Thrombosis | 1 | 333 | 9.1K | 2.1K |
| 161 | vascular diseases | 1 | 333 | 6.8K | 1.8K |
| 163 | Plant Ecology | 8 | 330 | 1.0K | 1.3K |
| 164 | Pharmacology | 12 | 316 | 8.5K | 11.4K |
| 165 | Molecular Microbiology | 1 | 311 | 4.6K | 1.9K |
| 166 | Meteorology | 3 | 306 | 3.6K | 2.3K |
| 167 | Pharmacy | 8 | 304 | 2.0K | 1.7K |
| 168 | Photochemistry | 5 | 299 | 1.2K | 654 |
| 169 | Crystal growth | 15 | 294 | 361 | 632 |
| 170 | Nuclear Physics | 8 | 290 | 3.3K | 2.5K |
| 171 | Planets | 4 | 287 | 2.3K | 1.7K |
| 172 | Radioisotopes | 19 | 286 | 100 | 129 |
| 173 | viruses | 8 | 283 | 2.1K | 3.2K |
| 174 | Environmental Microbiology | 12 | 281 | 526 | 1.8K |
| 175 | Trace elements | 8 | 280 | 66 | 98 |
| 176 | Liver diseases | 4 | 279 | 2.9K | 3.5K |
| 177 | Public Health | 8 | 276 | 8.3K | 9.1K |
| 178 | Molecular structure | 17 | 270 | 706 | 2.7K |
| 178 | Vaccines | 4 | 270 | 2.5K | 1.2K |
| 180 | Food additives | 15 | 268 | 110 | 223 |
| 181 | Antibacterial agents | 5 | 262 | 208 | 159 |
| 181 | peptides | 12 | 262 | 258 | 294 |
| 183 | natural products | 12 | 257 | 1.1K | 1.6K |
| 183 | Plants | 5 | 257 | 3.3K | 3.4K |
| 185 | Nonlinear Dynamics | 5 | 254 | 2.4K | 1.5K |
| 186 | drugs | 11 | 253 | 781 | 1.2K |
| 187 | Ceramic materials | 11 | 249 | 159 | 127 |
| 188 | biological factors | 13 | 248 | 902 | 2.0K |
| 189 | Neurology | 5 | 246 | 25.8K | 29.5K |
| 190 | Metallurgy | 4 | 244 | 2.2K | 832 |
| 190 | soil management | 9 | 244 | 18 | 42 |
| 192 | Industrial Engineering | 16 | 243 | 695 | 1.6K |
| 192 | Fertilizers | 7 | 243 | 125 | 109 |
| 194 | Taste | 11 | 241 | 55 | 64 |
| 194 | flavor | 11 | 241 | 28 | 38 |
| 194 | smell | 11 | 241 | 55 | 64 |
| 197 | Chemical processes | 9 | 232 | 195 | 201 |
| 198 | Immunity | 7 | 225 | 3.8K | 9.3K |
| 199 | Bioremediation | 4 | 222 | 147 | 137 |
| 199 | Diagnostic microbiology | 6 | 222 | 1.2K | 2.6K |
| 201 | nucleic acids | 12 | 221 | 2.2K | 8.0K |
| 202 | Diet | 3 | 220 | 6.4K | 6.7K |
| 203 | lasers | 3 | 218 | 2.5K | 910 |
| 204 | ecosystem | 7 | 215 | 727 | 1.4K |
| 204 | Plant diseases | 10 | 215 | 1.3K | 1.7K |
| 206 | Mycology | 5 | 208 | 1.5K | 1.3K |
| 207 | X-ray spectroscopy | 7 | 207 | 37 | 13 |
| 208 | Radiation | 12 | 206 | 393 | 737 |
| 209 | protein | 4 | 203 | 2.6K | 2.1K |
| 210 | amino acids | 4 | 200 | 478 | 349 |
| 211 | Developmental Biology | 1 | 191 | 15.3K | 8.3K |
| 211 | Photobiology | 4 | 191 | 496 | 270 |
| 213 | Proteome | 5 | 190 | 2.1K | 3.4K |
| 213 | carcinogens | 2 | 190 | 3.9K | 2.2K |
| 215 | Nanochemistry | 15 | 188 | 209 | 441 |
| 216 | United Kingdom | 7 | 182 | 1.8K | 3.6K |
| 217 | Pharmacognosy | 7 | 180 | 1.5K | 2.5K |
| 218 | Nutrition physiology | 1 | 178 | 2.5K | 856 |
| 219 | atmospheric models | 5 | 170 | 377 | 459 |
| 220 | Paleontology | 2 | 169 | 2.8K | 1.1K |
| 220 | isomerism | 7 | 169 | 138 | 145 |
| 220 | Chirality | 7 | 169 | 138 | 145 |
| 223 | Critical Care | 1 | 168 | 9.5K | 6.9K |
| 223 | Critical Care Medicine | 1 | 168 | 8.7K | 6.9K |
| 225 | Toxins | 5 | 166 | 324 | 357 |
| 226 | Obstetrics | 3 | 165 | 7.5K | 5.1K |
| 226 | Host-parasite interactions | 2 | 165 | 4.4K | 5.3K |
| 226 | Virulence | 2 | 165 | 4.4K | 4.7K |
| 229 | Analytical Biochemistry | 9 | 163 | 684 | 1.3K |
| 230 | biofuels | 1 | 162 | 1.0K | 521 |
| 230 | Cancer | 3 | 162 | 21.6K | 24.0K |
| 232 | Planetary Science | 11 | 161 | 125 | 243 |
| 232 | Meteorites | 11 | 161 | 113 | 249 |
| 234 | Plant Genetics | 3 | 160 | 1.2K | 1.4K |
| 234 | Nanoparticles | 12 | 160 | 1.3K | 4.1K |
| 236 | Medical Oncology | 1 | 158 | 14.8K | 6.1K |
| 236 | Carcinogenesis | 1 | 158 | 5.7K | 2.3K |
| 236 | mutagens | 1 | 158 | 4.6K | 2.2K |
| 239 | Vaccination | 1 | 152 | 802 | 200 |
| 240 | soil microbiology | 7 | 148 | 689 | 2.2K |
| 241 | Fungi | 2 | 143 | 1.4K | 1.1K |
| 242 | Superconductors | 9 | 142 | 290 | 278 |
| 242 | Aquatic ecology | 3 | 142 | 895 | 587 |
| 244 | Information Systems | 4 | 141 | 665 | 781 |
| 244 | Analytical Toxicology | 6 | 141 | 151 | 191 |
| 244 | Sedimentology | 5 | 141 | 281 | 495 |
| 244 | Documentation | 4 | 141 | 98 | 195 |
| 244 | Peptide | 7 | 141 | 101 | 129 |
| 249 | Superconductivity | 6 | 140 | 73 | 91 |
| 250 | Leukemia | 6 | 139 | 1.6K | 3.1K |
| 251 | Hydrology | 4 | 137 | 3.0K | 2.7K |
| 252 | Combinatorial chemistry | 6 | 135 | 789 | 1.9K |
| 253 | Radiobiology | 7 | 134 | 2.6K | 3.9K |
| 254 | Proteomics | 3 | 133 | 2.2K | 2.5K |
| 255 | particles | 9 | 131 | 76 | 237 |
| 256 | Biopharmaceutics | 4 | 128 | 1.3K | 1.5K |
| 257 | Molecular evolution | 3 | 127 | 3.1K | 3.6K |
| 258 | Transplantation | 2 | 126 | 6.4K | 5.3K |
| 259 | Anthropology | 1 | 125 | 4.4K | 1.4K |
| 259 | Ethnobotany | 1 | 125 | 334 | 111 |
| 259 | Medical Anthropology | 1 | 125 | 4.1K | 2.1K |
| 259 | Traditional medicine | 1 | 125 | 644 | 123 |
| 259 | ethnobiology | 1 | 125 | 412 | 125 |
| 259 | cell movement | 3 | 125 | 362 | 545 |
| 259 | X-ray crystallography | 2 | 125 | 1.4K | 519 |
| 259 | Phytotherapy | 1 | 125 | 2.7K | 726 |
| 259 | Ethnomedicine | 1 | 125 | 278 | 109 |
| 268 | plant oils | 10 | 124 | 71 | 105 |
| 269 | Magnetic Resonance Spectroscopy | 15 | 123 | 376 | 1.4K |
| 269 | calcification | 3 | 123 | 754 | 952 |
| 269 | Isotopes | 3 | 123 | 41 | 16 |
| 272 | Calorimetry | 4 | 122 | 1.1K | 659 |
| 272 | Thermal analysis | 4 | 122 | 1.1K | 659 |
| 274 | Ceramics | 6 | 119 | 1.5K | 1.9K |
| 274 | Ecohydrology | 2 | 119 | 293 | 149 |
| 274 | Glass | 6 | 119 | 1.1K | 1.8K |
| 274 | pottery | 6 | 119 | 1.1K | 1.8K |
| 278 | Sports Medicine | 3 | 118 | 5.7K | 4.7K |
| 279 | Parasitology | 5 | 116 | 2.6K | 3.0K |
| 279 | Parasitic Diseases | 5 | 116 | 2.0K | 3.1K |
| 279 | Parasites | 4 | 116 | 1.4K | 1.3K |
| 282 | Quantum electronics | 4 | 115 | 1.5K | 1.2K |
| 283 | hygiene | 3 | 114 | 515 | 505 |
| 284 | Molecules | 4 | 112 | 1.2K | 1.2K |
| 285 | Pathology | 3 | 109 | 10.3K | 12.4K |
| 286 | Light | 1 | 108 | 3.9K | 2.4K |
| 287 | Europe | 3 | 105 | 7.3K | 5.3K |
| 288 | Microscopy | 8 | 104 | 1.1K | 2.0K |
| 289 | Clinical Biochemistry | 3 | 101 | 1.9K | 2.1K |
| 289 | Mycotoxins | 5 | 101 | 78 | 121 |
| 291 | Pharmacokinetics | 3 | 98 | 1.3K | 1.5K |
| 291 | Cytoskeleton | 2 | 98 | 629 | 641 |
| 293 | Physiology | 5 | 96 | 13.1K | 22.5K |
| 294 | Drug design | 5 | 95 | 1.9K | 4.3K |
| 294 | Environmental Geochemistry | 8 | 95 | 75 | 275 |
| 294 | Minerals | 7 | 95 | 161 | 417 |
| 297 | disease vectors | 2 | 94 | 1.4K | 1.0K |
| 297 | Informatics | 7 | 94 | 523 | 1.7K |
| 299 | Synchrotron Radiation | 7 | 93 | 68 | 176 |
| 300 | Nuclear Medicine | 4 | 92 | 1.8K | 2.5K |
| 300 | Diagnostic Imaging | 2 | 92 | 7.8K | 5.7K |
| 300 | nuclear magnetic resonance spectroscopy | 11 | 92 | 351 | 854 |
| 300 | Carbohydrates | 6 | 92 | 269 | 894 |
| 300 | NMR | 11 | 92 | 117 | 342 |
| 300 | magnetic resonance | 11 | 92 | 125 | 377 |
| 306 | Radiology | 4 | 90 | 1.7K | 1.7K |
| 306 | Agriculture | 5 | 90 | 2.0K | 3.1K |
| 308 | Ecosystem management | 5 | 84 | 341 | 761 |
| 309 | Drug delivery systems | 4 | 83 | 1.6K | 4.4K |
| 309 | Plant cells | 5 | 83 | 2.2K | 7.3K |
| 311 | Stem cells | 3 | 81 | 6.4K | 10.6K |
| 312 | Neurochemistry | 1 | 80 | 17.8K | 13.0K |
| 313 | Geochemistry | 3 | 79 | 1.4K | 1.5K |
| 313 | Tropical Medicine | 2 | 79 | 3.7K | 2.6K |
| 315 | Sustainable Development | 4 | 78 | 960 | 2.2K |
| 315 | Agronomy | 3 | 78 | 725 | 938 |
| 317 | Luminescence | 4 | 77 | 460 | 439 |
| 317 | plant communities | 4 | 77 | 1.4K | 3.5K |
| 319 | Biochemical Engineering | 7 | 76 | 1.8K | 9.6K |
| 320 | Microstructure | 1 | 74 | 333 | 36 |
| 320 | Gene library | 2 | 74 | 189 | 255 |
| 322 | Medical Technology | 2 | 73 | 3.7K | 3.8K |
| 322 | Medical genetics | 2 | 73 | 20.3K | 26.3K |
| 324 | Environmental Toxicology | 5 | 72 | 3.0K | 9.1K |
| 324 | packaging | 6 | 72 | 35 | 105 |
| 326 | optical devices | 4 | 71 | 277 | 338 |
| 327 | Wetland ecology | 2 | 68 | 433 | 395 |
| 327 | Wetland conservation | 2 | 68 | 275 | 282 |
| 327 | Wetlands | 2 | 68 | 286 | 282 |
| 330 | Biogeography | 2 | 66 | 2.0K | 3.0K |
| 330 | Cellulose | 1 | 66 | 1.5K | 1.1K |
| 332 | Mineralogy | 2 | 64 | 1.9K | 1.8K |
| 332 | soil conservation | 5 | 64 | 379 | 1.1K |
| 332 | Graphene | 1 | 64 | 165 | 151 |
| 332 | venom | 1 | 64 | 1.4K | 839 |
| 336 | infection | 3 | 63 | 3.1K | 5.7K |
| 337 | Surface-Active Agents | 2 | 61 | 2.1K | 3.3K |
| 337 | Molecular Imaging | 1 | 61 | 3.6K | 3.2K |
| 337 | Surface properties | 2 | 61 | 2.1K | 3.3K |
| 340 | Agricultural Biotechnology | 1 | 60 | 211 | 40 |
| 340 | Fiber Optics | 3 | 60 | 798 | 934 |
| 340 | Edible plants | 1 | 60 | 461 | 381 |
| 343 | Radiopharmaceuticals | 10 | 58 | 127 | 297 |
| 343 | breastfeeding | 1 | 58 | 1.8K | 906 |
| 345 | Psychiatry | 1 | 57 | 30.1K | 27.4K |
| 345 | Mental illness | 1 | 57 | 12.7K | 11.4K |
| 347 | Information Theory | 1 | 56 | 3.2K | 2.1K |
| 347 | Quantum Communication | 1 | 56 | 221 | 179 |
| 347 | Detectors | 2 | 56 | 2.5K | 1.8K |
| 347 | Quantum theory | 1 | 56 | 1.3K | 680 |
| 351 | nucleotides | 10 | 55 | 150 | 369 |
| 352 | Histology | 3 | 54 | 6.2K | 11.6K |
| 352 | Sustainable agriculture | 4 | 54 | 202 | 641 |
| 354 | Thin Films | 4 | 53 | 290 | 489 |
| 354 | environmental exposure | 4 | 53 | 2.0K | 5.7K |
| 356 | cell physiology | 1 | 52 | 12.7K | 14.1K |
| 356 | Liquid chromatography | 5 | 52 | 390 | 504 |
| 358 | Quantum Chemistry | 5 | 51 | 668 | 1.0K |
| 358 | Psychopharmacology | 1 | 51 | 9.4K | 9.6K |
| 360 | Ion Exchange | 2 | 50 | 188 | 168 |
| 360 | Solvent extraction | 2 | 50 | 188 | 168 |
| 360 | Plasma devices | 1 | 50 | 247 | 184 |
| 363 | Animal Nutrition | 4 | 49 | 521 | 916 |
| 363 | Bioavailability | 2 | 49 | 76 | 96 |
| 363 | cell interaction | 2 | 49 | 3.5K | 5.5K |
| 366 | enzymes | 2 | 48 | 3.5K | 5.0K |
| 367 | biological agents | 3 | 47 | 830 | 301 |
| 368 | Engineering | 5 | 46 | 4.9K | 10.3K |
| 368 | biomedicine | 1 | 46 | 3.6K | 2.8K |
| 368 | wood | 1 | 46 | 946 | 553 |
| 371 | Archaeology | 6 | 45 | 703 | 1.5K |
| 371 | Catalysts | 2 | 45 | 1.2K | 1.2K |
| 373 | Biodegradation | 2 | 44 | 464 | 886 |
| 373 | Water Microbiology | 2 | 44 | 578 | 1.1K |
| 373 | Fouling | 2 | 44 | 312 | 760 |
| 376 | Bioenergetics | 2 | 43 | 1.3K | 2.7K |
| 376 | bioluminescence | 3 | 43 | 456 | 486 |
| 378 | Composite Materials | 2 | 42 | 2.6K | 2.7K |
| 379 | Electronics | 7 | 41 | 3.9K | 9.4K |
| 379 | Environmental Geology | 3 | 41 | 1.1K | 2.2K |
| 379 | drug resistance | 3 | 41 | 479 | 1.9K |
| 379 | soil pollution | 3 | 41 | 390 | 783 |
| 379 | Plant breeding | 2 | 41 | 1.8K | 2.9K |
| 384 | actuators | 2 | 40 | 1.4K | 2.2K |
| 384 | transducers | 2 | 40 | 1.4K | 2.2K |
| 386 | Landscape Ecology | 1 | 39 | 967 | 1.2K |
| 386 | Food Preservation | 1 | 39 | 1.8K | 841 |
| 386 | Adsorption | 1 | 39 | 339 | 283 |
| 386 | Cheminformatics | 4 | 39 | 206 | 1.2K |
| 390 | Reproduction | 1 | 38 | 13.8K | 13.3K |
| 391 | Energy Conversion | 2 | 37 | 3.6K | 6.2K |
| 391 | Medical Microbiology | 2 | 37 | 8.2K | 15.6K |
| 391 | Petrology | 1 | 37 | 1.2K | 1.2K |
| 394 | Forest Ecology | 1 | 36 | 716 | 688 |
| 394 | Immunopathology | 3 | 36 | 3.2K | 8.8K |
| 394 | cell membrane | 1 | 36 | 1.3K | 2.0K |
| 394 | Steroids | 3 | 36 | 1.1K | 3.2K |
| 398 | Metabolism | 2 | 35 | 18.3K | 33.6K |
| 399 | Alternative Medicine | 3 | 34 | 3.3K | 7.7K |
| 399 | complementary therapies | 3 | 34 | 3.4K | 7.8K |
| 401 | Clinical Laboratory Science | 1 | 33 | 1.4K | 1.1K |
| 401 | China | 2 | 33 | 7.4K | 8.6K |
| 403 | Mutagenesis | 1 | 32 | 1.5K | 1.4K |
| 403 | teratogenic agents | 1 | 32 | 795 | 508 |
| 403 | Entomology | 2 | 32 | 4.7K | 5.9K |
| 406 | Epidemiology | 2 | 31 | 16.3K | 25.3K |
| 406 | Electrochemical Analysis | 3 | 31 | 1.1K | 2.4K |
| 406 | nuclear magnetic resonance | 4 | 31 | 1.6K | 4.0K |
| 406 | Health promotion | 1 | 31 | 6.7K | 6.8K |
| 406 | phototherapy | 1 | 31 | 777 | 293 |
| 411 | Microbial Genetics | 1 | 30 | 1.1K | 1.3K |
| 411 | Marine Pollution | 1 | 30 | 2.1K | 3.0K |
| 411 | phytopathogenic bacteria | 1 | 30 | 804 | 1.1K |
| 411 | Atomic spectroscopy | 1 | 30 | 1.6K | 1.3K |
| 415 | Climatology | 2 | 29 | 3.2K | 5.7K |
| 415 | Supramolecular chemistry | 2 | 29 | 370 | 373 |
| 415 | fuel cells | 2 | 29 | 4.0K | 7.5K |
| 418 | Immunotherapy | 2 | 28 | 7.5K | 15.6K |
| 418 | Land use | 3 | 28 | 568 | 1.9K |
| 418 | Adhesion | 2 | 28 | 516 | 835 |
| 418 | land degradation | 3 | 28 | 341 | 1.4K |
| 418 | adhesives | 2 | 28 | 536 | 839 |
| 418 | Heterocyclic compounds | 2 | 28 | 1.7K | 1.7K |
| 418 | degradation | 3 | 28 | 341 | 1.4K |
| 425 | Evolutionary Genetics | 1 | 27 | 1.6K | 1.8K |
| 425 | Molecular Epidemiology | 1 | 27 | 1.6K | 1.8K |
| 425 | Cell migration | 1 | 27 | 227 | 657 |
| 425 | risk factors | 1 | 27 | 1.9K | 2.4K |
| 425 | Cardiovascular diseases | 1 | 27 | 7.4K | 8.6K |
| 425 | Cell adhesion | 1 | 27 | 487 | 1.1K |
| 425 | Hormones | 3 | 27 | 2.6K | 8.8K |
| 425 | Ore deposits | 1 | 27 | 322 | 353 |
| 425 | Structure-activity relationship | 1 | 27 | 1.3K | 1.5K |
| 434 | Neurobiology | 1 | 26 | 12.7K | 17.3K |
| 434 | Respiration | 1 | 26 | 8.1K | 10.4K |
| 436 | digestion | 1 | 25 | 11 | 20 |
| 436 | Flow cytometry | 2 | 25 | 855 | 2.5K |
| 438 | Contraception | 2 | 24 | 902 | 1.9K |
| 439 | Computer Graphics | 1 | 23 | 2.7K | 2.8K |
| 439 | Plant genetic engineering | 1 | 23 | 3.4K | 5.3K |
| 439 | blood transfusion | 2 | 23 | 2.8K | 7.3K |
| 439 | Aquatic ecosystems | 1 | 23 | 320 | 255 |
| 443 | Signal Transduction | 1 | 22 | 8.8K | 13.6K |
| 443 | Immunochemistry | 4 | 22 | 891 | 4.5K |
| 443 | radiocarbon dating | 4 | 22 | 216 | 783 |
| 443 | immunoassay | 4 | 22 | 145 | 502 |
| 447 | Urology | 2 | 21 | 7.8K | 17.3K |
| 447 | Genomics | 2 | 21 | 15.0K | 30.2K |
| 447 | Neurotransmitters | 1 | 21 | 1.7K | 2.7K |
| 447 | Brain | 1 | 21 | 15.5K | 20.3K |
| 447 | Immune system | 2 | 21 | 3.9K | 10.2K |
| 452 | Mathematics | 1 | 20 | 20.5K | 15.6K |
| 452 | Molecular Pharmacology | 1 | 20 | 6.3K | 12.8K |
| 452 | Antiviral agents | 2 | 20 | 295 | 1.1K |
| 452 | Microfluidics | 1 | 20 | 866 | 1.4K |
| 452 | traffic safety | 1 | 20 | 600 | 735 |
| 457 | Crystallization | 2 | 19 | 881 | 1.1K |
| 457 | Green Technology | 1 | 19 | 741 | 1.1K |
| 457 | Environmental forensics | 1 | 19 | 120 | 153 |
| 457 | Monomers | 2 | 19 | 110 | 242 |
| 457 | Chemical structure | 2 | 19 | 714 | 967 |
| 462 | Genetic engineering | 1 | 18 | 13.6K | 21.4K |
| 462 | Nanobiotechnology | 2 | 18 | 810 | 2.9K |
| 462 | Emergency Medicine | 1 | 18 | 5.1K | 5.9K |
| 462 | medical education | 2 | 18 | 5.5K | 11.1K |
| 466 | Genetics | 1 | 17 | 32.4K | 47.7K |
| 466 | Computational Biology | 1 | 17 | 22.1K | 30.6K |
| 466 | Molecular ecology | 1 | 17 | 5.0K | 9.1K |
| 466 | Geobiology | 2 | 17 | 708 | 1.9K |
| 466 | eugenics | 1 | 17 | 2.9K | 5.2K |
| 466 | Breeding | 1 | 17 | 4.5K | 6.8K |
| 472 | Animal health | 1 | 16 | 998 | 867 |
| 472 | Enzyme inhibitors | 2 | 16 | 905 | 2.3K |
| 472 | bioclimatology | 1 | 16 | 1.9K | 2.9K |
| 472 | Soil | 1 | 16 | 297 | 638 |
| 476 | Oncology | 1 | 15 | 17.9K | 28.1K |
| 476 | Oceanography | 2 | 15 | 3.0K | 6.7K |
| 476 | Systems Biology | 1 | 15 | 9.3K | 12.7K |
| 476 | Geriatric Oncology | 1 | 15 | 2.1K | 4.2K |
| 476 | Australia | 1 | 15 | 7.7K | 9.1K |
| 481 | Hydrogeology | 1 | 14 | 2.2K | 3.1K |
| 481 | Health Services Research | 1 | 14 | 6.5K | 8.5K |
| 481 | Engineering Geology | 1 | 14 | 2.5K | 3.3K |
| 481 | Primary health care | 1 | 14 | 6.6K | 9.1K |
| 481 | water reuse | 1 | 14 | 590 | 1.0K |
| 481 | Textile industry | 2 | 14 | 602 | 1.0K |
| 487 | Technological Innovations | 2 | 12 | 1.3K | 4.0K |
| 487 | alcoholism | 1 | 12 | 6.8K | 10.5K |
| 487 | Women's health | 1 | 12 | 5.3K | 7.9K |
| 490 | Endocrinology | 2 | 11 | 20.0K | 48.3K |
| 490 | Protective coatings | 1 | 11 | 265 | 340 |
| 490 | Extreme environments | 1 | 11 | 577 | 1.3K |
| 490 | Aquaculture | 2 | 11 | 1.2K | 3.1K |
| 494 | X-rays | 1 | 10 | 2.5K | 4.1K |
| 494 | Liposomes | 1 | 10 | 1.2K | 2.2K |
| 494 | animal diseases | 1 | 10 | 1.4K | 2.4K |
| 494 | alcohol | 1 | 10 | 172 | 315 |
| 498 | Economics | 1 | 9 | 8.8K | 11.4K |
| 498 | Tribology | 3 | 9 | 983 | 2.8K |
| 498 | Optoelectronic devices | 2 | 9 | 1.1K | 1.9K |
| 498 | Emulsions | 1 | 9 | 1.1K | 1.6K |
| 498 | Input-output analysis | 1 | 9 | 299 | 567 |
| 498 | Wind power | 1 | 9 | 514 | 948 |
| 504 | Marine Ecology | 1 | 8 | 1.4K | 2.9K |
| 504 | Nanophotonics | 1 | 8 | 1.0K | 2.2K |
| 504 | Endocrine glands | 1 | 8 | 897 | 2.9K |
| 504 | Biotransformation | 1 | 8 | 344 | 732 |
| 504 | hazard mitigation | 1 | 8 | 1.7K | 3.3K |
| 504 | Medical innovations | 1 | 8 | 6.9K | 17.7K |
| 504 | natural disasters | 1 | 8 | 2.6K | 4.7K |
| 504 | Insect biochemistry | 1 | 8 | 1.1K | 2.2K |
| 512 | Electrical Engineering | 8 | 7 | 2.7K | 9.8K |
| 512 | Statistics | 1 | 7 | 9.4K | 13.1K |
| 512 | Nursing | 1 | 7 | 6.4K | 10.7K |
| 512 | Ethics | 1 | 7 | 3.0K | 5.2K |
| 512 | Optoelectronics | 1 | 7 | 810 | 852 |
| 512 | Industrial Ecology | 1 | 7 | 316 | 1.0K |
| 512 | Medical Ethics | 1 | 7 | 4.0K | 6.3K |
| 512 | Drying | 1 | 7 | 797 | 1.6K |
| 512 | Photovoltaic Cells | 1 | 7 | 388 | 1.1K |
| 512 | Societies | 1 | 7 | 856 | 1.5K |
| 512 | Jurisprudence | 1 | 7 | 4.0K | 6.6K |
| 512 | Yeast | 1 | 7 | 1.7K | 3.3K |
| 524 | Zoology | 1 | 6 | 9.0K | 15.5K |
| 524 | Animal ecology | 1 | 6 | 3.6K | 6.7K |
| 524 | Chemical kinetics | 2 | 6 | 1.2K | 2.6K |
| 524 | Substance Abuse | 1 | 6 | 6.7K | 12.0K |
| 528 | Nuclear Engineering | 2 | 5 | 1.5K | 3.3K |
| 528 | Fishery management | 1 | 5 | 1.5K | 3.2K |
| 528 | Birds | 1 | 5 | 3.0K | 4.8K |
| 531 | Magnetic Resonance Imaging | 1 | 4 | 1.4K | 3.7K |
| 531 | Medical Physics | 1 | 4 | 8.0K | 14.2K |
| 531 | gene therapy | 1 | 4 | 7.1K | 16.4K |
| 531 | starch | 1 | 4 | 920 | 1.9K |
| 531 | mycoses | 1 | 4 | 3.4K | 7.6K |
| 531 | Japan | 1 | 4 | 8.5K | 13.6K |
| 531 | Genetic therapy | 1 | 4 | 9.3K | 21.7K |
| 531 | Fibers | 1 | 4 | 132 | 288 |
| 531 | Forest genetics | 1 | 4 | 494 | 1.2K |
| 540 | Andrology | 1 | 3 | 3.3K | 7.5K |
| 540 | Energy Storage | 1 | 3 | 5.4K | 10.2K |
| 540 | Regional Planning | 1 | 3 | 3.6K | 7.1K |
| 540 | Microbial Biotechnology | 1 | 3 | 3.2K | 6.6K |
| 540 | Microfabrication | 1 | 3 | 918 | 2.6K |
| 540 | Chromosome mapping | 1 | 3 | 8.9K | 18.3K |
| 540 | Solutions | 1 | 3 | 865 | 1.5K |
| 540 | Antibodies | 1 | 3 | 1.3K | 4.1K |
| 540 | Antigens | 1 | 3 | 2.9K | 7.3K |
| 540 | Androgens | 1 | 3 | 974 | 2.7K |
| 540 | city planning | 1 | 3 | 3.2K | 6.3K |
| 540 | explosives | 1 | 3 | 459 | 857 |
| 540 | gene mapping | 1 | 3 | 10.7K | 21.6K |
| 553 | Nuclear Energy | 1 | 2 | 1.5K | 2.7K |
| 553 | Municipal Engineering | 1 | 2 | 567 | 1.9K |
| 553 | Radiation Protection | 1 | 2 | 1.2K | 2.7K |
| 553 | visualization | 1 | 2 | 11.8K | 14.4K |
| 553 | Spain | 1 | 2 | 389 | 1.2K |
| 558 | Global Health | 2 | 1 | 2.1K | 9.4K |
| 558 | Control Theory | 1 | 1 | 5.0K | 9.4K |
| 558 | energy conservation | 1 | 1 | 4.2K | 10.3K |
| 558 | Herbal medicine | 1 | 1 | 1.7K | 5.4K |
| 558 | Flow chemistry | 1 | 1 | 62 | 205 |
| 558 | Nonlinear systems | 1 | 1 | 1.6K | 3.5K |
| 564 | Surgery | 1 | 0 | 14.4K | 33.1K |
| 564 | Food Safety | 1 | 0 | 651 | 2.2K |
| 564 | Astrophysics | 1 | 0 | 5.8K | 9.9K |
| 564 | Quality Control | 1 | 0 | 3.6K | 9.7K |
| 564 | Drug targeting | 1 | 0 | 1.1K | 3.9K |
| 564 | Accreditation | 1 | 0 | 166 | 555 |
| 564 | Plant hormones | 1 | 0 | 795 | 2.1K |
| 564 | food industry | 2 | 0 | 171 | 1.8K |