25.5K(top 0.1%)
papers
639.8K(top 0.1%)
citations
253(top 0.1%)
h-index
418(top 0.1%)
g-index
33.9K
all documents
723.2K
doc citations
26.3K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 1 | management | 161 | 24,732 | 168 | 62 |
| 2 | Ecology | 332 | 22,459 | 441 | 354 |
| 3 | Pollution | 366 | 21,481 | 213 | 206 |
| 4 | Microbiology | 349 | 19,442 | 530 | 508 |
| 5 | Environmental Health | 339 | 19,085 | 218 | 188 |
| 6 | Biotechnology | 317 | 18,699 | 344 | 300 |
| 7 | Water pollution | 304 | 18,287 | 23 | 22 |
| 8 | Materials | 383 | 17,631 | 416 | 370 |
| 9 | Chemistry | 451 | 17,502 | 926 | 943 |
| 10 | Physics | 443 | 16,289 | 865 | 1.4K |
| 11 | Environmental Engineering | 286 | 16,065 | 115 | 121 |
| 12 | Science | 316 | 15,671 | 1.0K | 1.4K |
| 13 | Water | 183 | 14,249 | 78 | 51 |
| 14 | Chemical Engineering | 185 | 13,704 | 354 | 165 |
| 15 | Biology | 222 | 13,104 | 1.4K | 1.5K |
| 16 | Environment | 214 | 12,845 | 341 | 389 |
| 17 | Analytical Chemistry | 261 | 12,630 | 269 | 154 |
| 18 | environmental pollution | 271 | 12,190 | 149 | 125 |
| 19 | environmental protection | 200 | 10,830 | 66 | 53 |
| 20 | Manufacturing Processes | 319 | 10,396 | 25 | 13 |
| 21 | Biomedical Engineering | 181 | 10,260 | 368 | 194 |
| 22 | Medicine | 262 | 9,823 | 1.3K | 1.5K |
| 23 | Bioengineering | 135 | 9,261 | 429 | 392 |
| 24 | Nanotechnology | 193 | 8,601 | 616 | 597 |
| 25 | Technology | 165 | 7,911 | 271 | 141 |
| 26 | Biochemistry | 251 | 7,899 | 1.2K | 1.2K |
| 27 | Polymers | 185 | 7,726 | 556 | 364 |
| 28 | Research | 216 | 7,656 | 1.2K | 1.1K |
| 29 | Environmental Chemistry | 45 | 7,347 | 383 | 135 |
| 30 | Environmental monitoring | 151 | 7,045 | 163 | 148 |
| 31 | Biosensors | 78 | 6,642 | 51 | 18 |
| 32 | Bioelectronics | 76 | 6,561 | 32 | 13 |
| 33 | Mechanical Engineering | 310 | 6,551 | 36 | 12 |
| 34 | Energy Conversion | 20 | 6,488 | 474 | 138 |
| 35 | Environmental Policy | 112 | 6,152 | 148 | 151 |
| 36 | Water quality management | 155 | 6,093 | 34 | 17 |
| 37 | Production Engineering | 220 | 5,836 | 32 | 21 |
| 38 | Materials Science | 190 | 5,725 | 529 | 602 |
| 39 | sanitation | 64 | 5,602 | 299 | 248 |
| 40 | Waste management | 172 | 5,533 | 16 | 11 |
| 41 | marketing | 45 | 5,203 | 269 | 124 |
| 42 | Biocompatible Materials | 107 | 5,152 | 621 | 579 |
| 43 | polymerization | 123 | 5,132 | 592 | 384 |
| 44 | Molecular Biology | 148 | 5,044 | 1.5K | 1.8K |
| 45 | nanoscience | 74 | 4,949 | 544 | 405 |
| 46 | biological evolution | 30 | 4,726 | 675 | 303 |
| 47 | Catalysis | 89 | 4,719 | 675 | 489 |
| 48 | Water Purification | 106 | 4,506 | 25 | 12 |
| 49 | Microbial Ecology | 48 | 4,429 | 549 | 389 |
| 50 | Environmental Management | 132 | 4,336 | 61 | 130 |
| 51 | Soil Science | 120 | 4,311 | 99 | 101 |
| 52 | Evolution | 25 | 4,233 | 687 | 288 |
| 53 | Geophysics | 101 | 4,163 | 702 | 598 |
| 54 | Natural history | 34 | 4,082 | 1.4K | 2.0K |
| 55 | Toxicology | 79 | 4,076 | 883 | 584 |
| 56 | Public Health | 76 | 4,040 | 1.2K | 801 |
| 57 | Botany | 72 | 3,753 | 884 | 727 |
| 58 | Biochemical Engineering | 69 | 3,706 | 297 | 506 |
| 59 | Surface Chemistry | 95 | 3,690 | 446 | 384 |
| 60 | Biomass Energy | 73 | 3,613 | 213 | 228 |
| 61 | Hydrology | 115 | 3,563 | 204 | 231 |
| 62 | Colloids | 94 | 3,531 | 523 | 489 |
| 63 | Nutrition | 107 | 3,474 | 693 | 733 |
| 64 | Food | 90 | 3,431 | 309 | 245 |
| 65 | Nanostructured Materials | 81 | 3,382 | 647 | 503 |
| 66 | Food Microbiology | 50 | 3,326 | 133 | 85 |
| 67 | food technology | 95 | 3,188 | 170 | 145 |
| 68 | soil management | 94 | 3,155 | 3 | 5 |
| 69 | Pharmacology | 83 | 3,106 | 1.2K | 1.0K |
| 70 | Biophysics | 105 | 3,066 | 1.2K | 1.0K |
| 71 | Environmental Toxicology | 38 | 3,040 | 503 | 247 |
| 72 | Optical materials | 41 | 2,892 | 666 | 437 |
| 73 | Human Resources | 44 | 2,866 | 10 | 3 |
| 74 | Agricultural Chemistry | 51 | 2,857 | 521 | 304 |
| 75 | Physiology | 69 | 2,843 | 1.0K | 908 |
| 76 | energy conservation | 56 | 2,764 | 146 | 139 |
| 77 | Mathematics | 237 | 2,742 | 611 | 502 |
| 78 | Business | 35 | 2,721 | 376 | 213 |
| 79 | Optics | 160 | 2,686 | 542 | 601 |
| 80 | Environmental pollutants | 31 | 2,684 | 511 | 173 |
| 81 | Metallurgy | 52 | 2,638 | 417 | 163 |
| 82 | pollutants | 26 | 2,609 | 458 | 145 |
| 82 | Metals | 53 | 2,609 | 329 | 131 |
| 84 | Renewable Energy Sources | 57 | 2,515 | 155 | 298 |
| 85 | Chemical industry | 27 | 2,503 | 334 | 36 |
| 86 | Bacteriology | 47 | 2,496 | 347 | 324 |
| 87 | Plant diseases | 55 | 2,488 | 404 | 231 |
| 88 | Industrial Microbiology | 39 | 2,480 | 353 | 223 |
| 89 | Chemical analysis | 48 | 2,478 | 125 | 42 |
| 90 | commerce | 27 | 2,447 | 283 | 152 |
| 91 | Fluid Mechanics | 94 | 2,357 | 246 | 272 |
| 92 | Industrial Engineering | 75 | 2,337 | 202 | 174 |
| 93 | Shock Waves | 8 | 2,294 | 100 | 2 |
| 94 | Automation | 60 | 2,293 | 287 | 278 |
| 95 | Environmental Law | 27 | 2,234 | 198 | 136 |
| 96 | environmental exposure | 31 | 2,232 | 385 | 132 |
| 97 | Sports Medicine | 98 | 2,190 | 404 | 418 |
| 98 | Agricultural Ecology | 43 | 2,169 | 178 | 186 |
| 99 | Hazardous waste | 51 | 2,165 | 13 | 26 |
| 100 | radioactive waste | 50 | 2,155 | 11 | 25 |
| 100 | industrial waste | 50 | 2,155 | 12 | 25 |
| 102 | Electrochemistry | 91 | 2,048 | 554 | 469 |
| 103 | Meteorology | 25 | 2,015 | 828 | 576 |
| 104 | Production Management | 28 | 1,993 | 155 | 136 |
| 105 | soil microbiology | 32 | 1,946 | 277 | 239 |
| 106 | Immunology | 57 | 1,925 | 1.2K | 1.4K |
| 107 | Geomorphology | 34 | 1,912 | 113 | 67 |
| 108 | Europe | 47 | 1,891 | 839 | 417 |
| 109 | Composite Materials | 90 | 1,847 | 136 | 238 |
| 110 | Solid State Physics | 90 | 1,803 | 943 | 1.0K |
| 111 | Economics | 81 | 1,777 | 797 | 701 |
| 112 | Intelligent Transportation Systems | 37 | 1,768 | 140 | 71 |
| 113 | Condensed Matter | 100 | 1,742 | 852 | 1.1K |
| 114 | Diet | 28 | 1,729 | 794 | 682 |
| 115 | Atmospheric Chemistry | 40 | 1,727 | 285 | 337 |
| 116 | United States | 58 | 1,722 | 1.3K | 1.1K |
| 117 | disaster relief | 4 | 1,695 | 131 | 4 |
| 118 | Green Chemistry | 44 | 1,679 | 361 | 435 |
| 119 | Physical Chemistry | 56 | 1,660 | 506 | 613 |
| 120 | Genetic engineering | 19 | 1,643 | 861 | 465 |
| 121 | Agriculture | 42 | 1,632 | 429 | 303 |
| 122 | Engineering | 88 | 1,626 | 458 | 455 |
| 123 | Atmospheric Physics | 53 | 1,611 | 357 | 425 |
| 124 | Cybernetics | 41 | 1,591 | 273 | 273 |
| 124 | Biodiversity conservation | 30 | 1,591 | 575 | 699 |
| 126 | Energy Policy | 31 | 1,578 | 257 | 213 |
| 126 | Control Theory | 83 | 1,578 | 179 | 216 |
| 128 | organization | 8 | 1,564 | 416 | 206 |
| 129 | Numerical Analysis | 85 | 1,542 | 193 | 227 |
| 130 | Statistical physics | 84 | 1,533 | 817 | 926 |
| 131 | Plant physiology | 29 | 1,509 | 667 | 649 |
| 132 | Social Sciences | 33 | 1,486 | 1.0K | 431 |
| 133 | Production Planning | 30 | 1,468 | 9 | 3 |
| 133 | Production Control | 30 | 1,468 | 9 | 3 |
| 135 | Mathematical Physics | 39 | 1,432 | 797 | 459 |
| 136 | Systems Engineering | 81 | 1,428 | 172 | 212 |
| 137 | vibration | 31 | 1,416 | 186 | 65 |
| 138 | Quality Control | 48 | 1,406 | 119 | 105 |
| 139 | Business Ethics | 20 | 1,396 | 241 | 190 |
| 140 | Medical Physics | 32 | 1,385 | 607 | 443 |
| 141 | Product Design | 78 | 1,372 | 8 | 5 |
| 142 | Structural dynamics | 21 | 1,347 | 195 | 91 |
| 143 | Electronics | 83 | 1,342 | 642 | 750 |
| 144 | software | 23 | 1,341 | 87 | 30 |
| 145 | Ultrasonics | 25 | 1,317 | 214 | 132 |
| 146 | Climate change | 21 | 1,289 | 445 | 684 |
| 147 | Sports | 73 | 1,287 | 428 | 472 |
| 148 | Plant cells | 19 | 1,254 | 553 | 685 |
| 149 | actuators | 27 | 1,243 | 225 | 138 |
| 149 | transducers | 27 | 1,243 | 225 | 138 |
| 151 | Electrochemical Analysis | 31 | 1,240 | 135 | 70 |
| 152 | Mycology | 32 | 1,234 | 360 | 300 |
| 153 | Genetics | 22 | 1,224 | 1.9K | 1.8K |
| 154 | food contamination | 40 | 1,209 | 95 | 53 |
| 155 | Electrical Engineering | 106 | 1,190 | 551 | 497 |
| 156 | Process Control | 11 | 1,178 | 58 | 23 |
| 157 | Environmental Microbiology | 25 | 1,167 | 383 | 447 |
| 158 | Restoration Ecology | 13 | 1,165 | 145 | 42 |
| 159 | Eutrophication | 18 | 1,155 | 487 | 775 |
| 160 | Medical Laboratory Science | 33 | 1,145 | 526 | 632 |
| 161 | water supply | 63 | 1,136 | 140 | 288 |
| 162 | Psychiatry | 32 | 1,131 | 1.9K | 1.8K |
| 163 | Cytology | 34 | 1,128 | 1.8K | 2.3K |
| 164 | Signal Processing | 66 | 1,104 | 438 | 688 |
| 164 | Virology | 26 | 1,104 | 1.4K | 1.8K |
| 166 | Smart Materials | 36 | 1,099 | 67 | 66 |
| 167 | plant communities | 21 | 1,090 | 401 | 403 |
| 168 | Planets | 16 | 1,082 | 941 | 748 |
| 169 | Regional Planning | 19 | 1,080 | 584 | 262 |
| 170 | Robotics | 45 | 1,057 | 268 | 275 |
| 171 | Geography | 46 | 1,047 | 474 | 505 |
| 172 | Plant Ecology | 20 | 1,042 | 591 | 523 |
| 173 | Biomechanics | 30 | 1,039 | 311 | 290 |
| 174 | Operations Research | 40 | 1,021 | 422 | 422 |
| 175 | global environmental change | 26 | 1,014 | 130 | 163 |
| 176 | Protozoa | 5 | 1,006 | 331 | 103 |
| 177 | Sustainable Engineering | 42 | 996 | 290 | 458 |
| 177 | Mechanics | 20 | 996 | 381 | 145 |
| 179 | energy development | 50 | 994 | 26 | 255 |
| 180 | Ergonomics | 34 | 993 | 226 | 140 |
| 181 | Fungi | 24 | 991 | 188 | 203 |
| 182 | Genomics | 28 | 986 | 1.2K | 1.2K |
| 183 | Structural design | 23 | 983 | 78 | 52 |
| 184 | Cell Biology | 47 | 968 | 1.4K | 2.5K |
| 185 | Transportation | 44 | 967 | 275 | 298 |
| 186 | Marine Biology | 54 | 962 | 586 | 776 |
| 186 | Plastics | 48 | 962 | 224 | 188 |
| 188 | Nanostructures | 34 | 959 | 395 | 664 |
| 189 | Artificial Intelligence | 64 | 956 | 684 | 1.0K |
| 190 | Power Electronics | 18 | 954 | 379 | 295 |
| 191 | Sonochemistry | 10 | 936 | 168 | 81 |
| 192 | Navigation | 45 | 934 | 45 | 34 |
| 193 | Obesity | 40 | 932 | 557 | 846 |
| 194 | Behavior | 45 | 924 | 738 | 1.1K |
| 195 | Immunity | 4 | 913 | 2.3K | 1.4K |
| 196 | rivers | 14 | 912 | 74 | 31 |
| 197 | explosives | 85 | 908 | 14 | 16 |
| 198 | Information Technology | 38 | 905 | 424 | 489 |
| 199 | Bioorganic chemistry | 35 | 888 | 796 | 909 |
| 200 | Mental Disorders | 17 | 882 | 1.9K | 1.5K |
| 200 | Cancer | 21 | 882 | 2.0K | 1.8K |
| 202 | Membranes | 18 | 878 | 481 | 398 |
| 203 | Biogeochemical cycles | 6 | 875 | 373 | 266 |
| 204 | city planning | 19 | 870 | 499 | 254 |
| 205 | Fisheries | 23 | 867 | 443 | 335 |
| 206 | Earth Sciences | 45 | 864 | 710 | 881 |
| 207 | Spectrum analysis | 47 | 862 | 1.1K | 1.4K |
| 208 | biological factors | 18 | 858 | 836 | 505 |
| 209 | Pharmaceutical Chemistry | 36 | 857 | 1.3K | 1.6K |
| 210 | alcoholism | 38 | 845 | 376 | 484 |
| 211 | coal | 18 | 840 | 143 | 115 |
| 212 | Water Microbiology | 25 | 831 | 32 | 42 |
| 213 | environmental issues | 17 | 826 | 75 | 43 |
| 214 | tillage | 15 | 822 | 17 | 11 |
| 215 | finance | 22 | 820 | 718 | 583 |
| 216 | energy resources | 7 | 800 | 368 | 220 |
| 217 | Jurisprudence | 60 | 789 | 99 | 183 |
| 218 | Microorganisms | 11 | 786 | 709 | 544 |
| 219 | International Finance | 18 | 784 | 333 | 161 |
| 220 | System analysis | 50 | 772 | 325 | 429 |
| 221 | Pharmacy | 31 | 770 | 604 | 658 |
| 222 | Electrophoresis | 31 | 768 | 404 | 433 |
| 222 | Respiration | 11 | 768 | 961 | 602 |
| 224 | drug addiction | 32 | 767 | 324 | 418 |
| 225 | Soil biology | 19 | 763 | 126 | 174 |
| 225 | Substance Abuse | 37 | 763 | 371 | 392 |
| 227 | Hematology | 16 | 758 | 2.3K | 1.7K |
| 228 | Fracture mechanics | 36 | 750 | 150 | 175 |
| 229 | Medical Microbiology | 19 | 748 | 1.2K | 1.3K |
| 230 | Hydrogeology | 20 | 747 | 165 | 74 |
| 231 | Biodiversity | 24 | 746 | 886 | 867 |
| 232 | Mycotoxins | 29 | 743 | 12 | 13 |
| 233 | analysis | 4 | 742 | 350 | 96 |
| 234 | Psychology | 53 | 735 | 1.3K | 2.0K |
| 235 | Industrial Safety | 27 | 733 | 122 | 75 |
| 235 | Telecommunication | 31 | 733 | 755 | 705 |
| 237 | gene mapping | 16 | 729 | 960 | 943 |
| 238 | Nonlinear Dynamics | 29 | 722 | 841 | 833 |
| 239 | Organic Chemistry | 26 | 719 | 1.4K | 1.3K |
| 240 | Ceramics | 48 | 714 | 301 | 460 |
| 241 | Sustainable Development | 30 | 709 | 296 | 520 |
| 242 | Dynamics | 35 | 707 | 288 | 234 |
| 242 | Chromatographic analysis | 33 | 707 | 448 | 407 |
| 244 | lasers | 46 | 698 | 392 | 444 |
| 245 | Engineering Mathematics | 74 | 696 | 273 | 428 |
| 246 | Entomology | 23 | 694 | 1.0K | 675 |
| 247 | Wireless Communication Systems | 37 | 691 | 603 | 649 |
| 248 | Human genetics | 7 | 685 | 2.1K | 2.6K |
| 249 | micromechanics | 10 | 681 | 221 | 77 |
| 250 | Smoking | 28 | 680 | 186 | 228 |
| 251 | Detectors | 25 | 672 | 355 | 229 |
| 252 | Landscape Ecology | 16 | 666 | 121 | 149 |
| 253 | Chromosome mapping | 12 | 663 | 1.0K | 820 |
| 254 | Mechatronics | 11 | 645 | 306 | 140 |
| 255 | Plant genetic engineering | 9 | 641 | 575 | 399 |
| 256 | Virulence | 5 | 640 | 1.2K | 831 |
| 257 | Zoology | 30 | 635 | 894 | 787 |
| 258 | Australia | 37 | 632 | 386 | 423 |
| 259 | Ocean Engineering | 26 | 630 | 181 | 181 |
| 260 | Bioremediation | 16 | 629 | 66 | 62 |
| 261 | Chromatography | 26 | 627 | 433 | 398 |
| 262 | Archaeology | 37 | 620 | 294 | 265 |
| 263 | Industrial Design | 13 | 613 | 66 | 28 |
| 264 | biological monitoring | 25 | 605 | 60 | 88 |
| 265 | Fluid Dynamics | 24 | 599 | 258 | 208 |
| 266 | miniaturization | 16 | 596 | 938 | 1.1K |
| 267 | Food Preservation | 27 | 594 | 90 | 44 |
| 268 | mass transfer | 16 | 588 | 284 | 210 |
| 269 | Microelectronics | 24 | 585 | 656 | 968 |
| 269 | Plant Biotechnology | 18 | 585 | 254 | 257 |
| 269 | Crystal growth | 10 | 585 | 624 | 312 |
| 272 | economic policy | 27 | 579 | 657 | 507 |
| 272 | Aging | 23 | 579 | 1.3K | 1.2K |
| 274 | Mental illness | 11 | 566 | 1.5K | 1.3K |
| 275 | Immune system | 1 | 565 | 2.3K | 974 |
| 276 | Ferroelectricity | 35 | 559 | 213 | 197 |
| 277 | Green Technology | 8 | 553 | 137 | 24 |
| 278 | Pharmacognosy | 12 | 552 | 901 | 719 |
| 278 | Developmental Biology | 7 | 552 | 1.7K | 1.3K |
| 280 | Risk Management | 26 | 551 | 105 | 179 |
| 281 | Organizational change | 26 | 550 | 73 | 155 |
| 282 | Microscopy | 38 | 544 | 422 | 399 |
| 283 | Clinical Chemistry | 15 | 543 | 1.5K | 1.5K |
| 284 | Endocrinology | 20 | 541 | 1.7K | 2.1K |
| 285 | Molecular Genetics | 9 | 534 | 1.3K | 1.1K |
| 286 | Ecological Engineering | 6 | 528 | 126 | 25 |
| 287 | Land use | 14 | 516 | 293 | 194 |
| 288 | Magnetic Materials | 12 | 512 | 900 | 580 |
| 289 | Solar Energy | 23 | 511 | 117 | 213 |
| 290 | Diagnostic microbiology | 6 | 510 | 1.3K | 1.1K |
| 290 | plant molecular biology | 9 | 510 | 1.0K | 1.1K |
| 292 | Cognition | 31 | 509 | 490 | 742 |
| 293 | Biogeography | 9 | 508 | 658 | 663 |
| 293 | soil conservation | 23 | 508 | 124 | 178 |
| 295 | Product life cycle | 12 | 503 | 86 | 104 |
| 296 | Greenhouse gases | 14 | 501 | 28 | 33 |
| 297 | Parasitology | 24 | 492 | 926 | 969 |
| 298 | infection | 8 | 490 | 1.2K | 922 |
| 299 | biopolymers | 13 | 486 | 649 | 517 |
| 300 | Developing countries | 29 | 483 | 414 | 537 |
| 301 | Tribology | 34 | 478 | 156 | 251 |
| 301 | Aquatic ecology | 20 | 478 | 269 | 297 |
| 303 | natural products | 23 | 476 | 611 | 668 |
| 304 | Neurology | 32 | 474 | 2.4K | 3.7K |
| 305 | Neurophysiology | 24 | 471 | 1.3K | 1.8K |
| 305 | atmospheric models | 16 | 471 | 305 | 380 |
| 307 | Social Change | 5 | 467 | 428 | 199 |
| 308 | Mineralogy | 3 | 466 | 1.6K | 614 |
| 309 | exobiology | 11 | 465 | 149 | 155 |
| 310 | radar | 24 | 463 | 35 | 45 |
| 310 | Sonar | 24 | 463 | 33 | 36 |
| 312 | Wildlife conservation | 7 | 462 | 542 | 278 |
| 313 | Geology | 21 | 456 | 1.3K | 1.2K |
| 313 | Infections | 4 | 456 | 1.3K | 792 |
| 315 | proteins | 18 | 450 | 1.1K | 1.2K |
| 316 | Sustainable agriculture | 17 | 449 | 160 | 199 |
| 317 | Small Business | 8 | 447 | 359 | 457 |
| 318 | Corporate governance | 3 | 442 | 480 | 99 |
| 319 | Engineering Geology | 22 | 437 | 363 | 462 |
| 319 | green products | 7 | 437 | 154 | 118 |
| 321 | Medical genetics | 5 | 436 | 3.1K | 2.4K |
| 321 | Flood control | 13 | 436 | 44 | 14 |
| 323 | irrigation | 21 | 435 | 69 | 69 |
| 324 | Radio | 20 | 431 | 625 | 742 |
| 325 | Gerontology | 14 | 428 | 1.1K | 809 |
| 326 | Pharmaceutical Technology | 17 | 426 | 634 | 705 |
| 327 | Drug design | 19 | 425 | 588 | 774 |
| 327 | Soil ecology | 15 | 425 | 131 | 218 |
| 329 | biological invasions | 9 | 419 | 315 | 234 |
| 330 | Parasitic Diseases | 18 | 417 | 932 | 1.1K |
| 331 | Nuclear Physics | 49 | 416 | 1.6K | 2.2K |
| 332 | Soil fertility | 13 | 410 | 120 | 182 |
| 333 | Medicinal plants | 6 | 407 | 981 | 529 |
| 333 | Exercise | 25 | 407 | 415 | 535 |
| 335 | Physical organic chemistry | 16 | 406 | 634 | 564 |
| 335 | polar regions | 9 | 406 | 377 | 236 |
| 335 | psychotherapy | 16 | 406 | 610 | 632 |
| 338 | environmental indicators | 6 | 403 | 254 | 142 |
| 339 | Physical Geography | 6 | 401 | 395 | 130 |
| 340 | Diabetes | 11 | 400 | 1.5K | 1.7K |
| 340 | Plants | 15 | 400 | 1.1K | 1.4K |
| 342 | Combustion | 23 | 396 | 247 | 266 |
| 343 | Health Services Research | 10 | 392 | 1.1K | 736 |
| 343 | Proteome | 6 | 392 | 1.1K | 841 |
| 345 | Molecular ecology | 6 | 391 | 980 | 881 |
| 346 | Medical Oncology | 6 | 388 | 1.9K | 1.3K |
| 347 | Radio frequency | 16 | 386 | 177 | 156 |
| 348 | mathematical analysis | 25 | 384 | 760 | 447 |
| 349 | Diabetes mellitus | 10 | 382 | 1.5K | 1.7K |
| 349 | Primary health care | 9 | 382 | 1.2K | 708 |
| 351 | Ultrasound | 15 | 381 | 231 | 233 |
| 352 | Electromagnetism | 5 | 379 | 913 | 359 |
| 352 | Sound | 16 | 379 | 390 | 355 |
| 354 | Radiation | 27 | 376 | 448 | 668 |
| 355 | Materials Engineering | 43 | 375 | 25 | 67 |
| 356 | Tourism | 21 | 374 | 358 | 617 |
| 357 | Municipal Engineering | 14 | 370 | 34 | 45 |
| 358 | Drug delivery systems | 13 | 368 | 577 | 839 |
| 359 | Medical innovations | 8 | 367 | 679 | 1.1K |
| 360 | Medical Technology | 13 | 362 | 812 | 732 |
| 360 | hygiene | 17 | 362 | 120 | 164 |
| 362 | Measurement | 17 | 361 | 221 | 223 |
| 363 | Clinical Psychology | 10 | 360 | 1.1K | 1.1K |
| 364 | Cognitive Therapy | 18 | 358 | 168 | 232 |
| 365 | Edible plants | 6 | 356 | 103 | 54 |
| 366 | Image Processing | 19 | 355 | 755 | 1.0K |
| 367 | Parasites | 13 | 353 | 734 | 632 |
| 368 | Integrated Circuits | 52 | 352 | 54 | 73 |
| 369 | Glass | 18 | 350 | 486 | 655 |
| 370 | Economic Development | 17 | 348 | 471 | 710 |
| 370 | Biomolecules | 5 | 348 | 373 | 288 |
| 372 | ecosystem | 8 | 347 | 884 | 948 |
| 373 | Entrepreneurship | 7 | 345 | 512 | 491 |
| 373 | Molecular structure | 17 | 345 | 809 | 1.2K |
| 375 | Marine Pollution | 14 | 344 | 360 | 550 |
| 376 | Metabolism | 20 | 343 | 1.5K | 2.4K |
| 376 | Recycling | 6 | 343 | 122 | 174 |
| 378 | freshwater biology | 10 | 342 | 489 | 440 |
| 379 | Environmental risk assessment | 5 | 340 | 300 | 103 |
| 380 | Fertilizers | 8 | 338 | 228 | 159 |
| 381 | environmental control | 4 | 336 | 213 | 80 |
| 382 | Korea | 6 | 334 | 192 | 38 |
| 382 | livestock | 3 | 334 | 716 | 112 |
| 384 | Systems Analysis | 21 | 329 | 258 | 343 |
| 385 | Prospecting | 7 | 328 | 31 | 12 |
| 386 | drugs | 19 | 327 | 728 | 971 |
| 387 | Food additives | 10 | 325 | 476 | 420 |
| 388 | viruses | 4 | 324 | 1.7K | 1.3K |
| 389 | Solid State Chemistry | 22 | 320 | 592 | 735 |
| 389 | research and development | 8 | 320 | 147 | 171 |
| 391 | biofuels | 4 | 318 | 281 | 225 |
| 392 | Structural Engineering | 22 | 317 | 380 | 409 |
| 393 | Population Genetics | 5 | 316 | 1.2K | 938 |
| 393 | fuel cells | 16 | 316 | 597 | 925 |
| 395 | pottery | 16 | 315 | 516 | 694 |
| 396 | Probability | 17 | 313 | 297 | 357 |
| 397 | Horticulture | 19 | 312 | 257 | 228 |
| 397 | Heat Exchangers | 13 | 312 | 141 | 229 |
| 397 | Multimedia Systems | 29 | 312 | 335 | 466 |
| 400 | drainage | 14 | 309 | 76 | 53 |
| 401 | Economic History | 36 | 307 | 961 | 1.1K |
| 401 | Drying | 14 | 307 | 108 | 132 |
| 403 | Epidemiology | 24 | 306 | 1.7K | 2.7K |
| 403 | Hypertension | 2 | 306 | 2.8K | 2.1K |
| 403 | Coastal zone management | 6 | 306 | 256 | 89 |
| 406 | catalytic activity | 8 | 305 | 437 | 396 |
| 407 | Health promotion | 18 | 304 | 634 | 887 |
| 408 | Social behavior | 7 | 303 | 806 | 703 |
| 409 | Radiography | 8 | 299 | 615 | 655 |
| 409 | Public Administration | 23 | 299 | 445 | 539 |
| 409 | Animal husbandry | 1 | 299 | 796 | 79 |
| 409 | North America | 1 | 299 | 1.5K | 198 |
| 413 | Photography | 26 | 298 | 474 | 160 |
| 413 | Nanoparticles | 18 | 298 | 789 | 1.2K |
| 415 | Public Policy | 11 | 296 | 843 | 833 |
| 415 | Neural circuitry | 24 | 296 | 307 | 816 |
| 415 | Molecular evolution | 6 | 296 | 1.2K | 1.1K |
| 418 | Naval Architecture | 13 | 294 | 170 | 60 |
| 419 | Computational Biology | 22 | 293 | 1.2K | 2.1K |
| 419 | Diagnostic Imaging | 14 | 293 | 1.1K | 1.2K |
| 421 | drug therapy | 15 | 291 | 1.3K | 1.7K |
| 422 | Earthquake Engineering | 8 | 290 | 576 | 446 |
| 422 | Rheology | 10 | 290 | 312 | 276 |
| 422 | Transport | 11 | 290 | 108 | 190 |
| 425 | human behavior | 18 | 287 | 883 | 1.7K |
| 426 | soil pollution | 17 | 285 | 88 | 156 |
| 427 | Computational Fluid Dynamics | 17 | 283 | 82 | 91 |
| 428 | Pathology | 6 | 281 | 2.3K | 2.0K |
| 429 | drug evaluation | 11 | 277 | 693 | 683 |
| 430 | United Kingdom | 21 | 274 | 646 | 1.2K |
| 431 | Aerodynamics | 13 | 273 | 69 | 23 |
| 431 | Agronomy | 8 | 273 | 354 | 349 |
| 433 | Sociology | 15 | 271 | 1.4K | 1.5K |
| 434 | machinery | 17 | 270 | 120 | 94 |
| 435 | Climatology | 10 | 267 | 1.1K | 1.2K |
| 435 | Aquaculture | 10 | 267 | 601 | 455 |
| 437 | Mass Spectrometry | 11 | 266 | 783 | 834 |
| 438 | Dermatology | 7 | 265 | 1.5K | 1.2K |
| 439 | Ceramic materials | 18 | 264 | 256 | 356 |
| 439 | international trade | 7 | 264 | 316 | 126 |
| 441 | Cognitive Science | 18 | 263 | 517 | 953 |
| 442 | Transportation Engineering | 16 | 262 | 73 | 145 |
| 442 | innovation | 6 | 262 | 346 | 313 |
| 444 | Nondestructive testing | 17 | 260 | 129 | 157 |
| 445 | Energy Storage | 25 | 258 | 351 | 751 |
| 446 | Serology | 12 | 255 | 168 | 249 |
| 446 | Strategic planning | 19 | 255 | 134 | 323 |
| 446 | Financial management | 15 | 255 | 154 | 374 |
| 446 | Risk | 15 | 255 | 194 | 369 |
| 446 | Building | 15 | 255 | 227 | 187 |
| 451 | Proteomics | 3 | 254 | 1.4K | 875 |
| 452 | Food texture | 6 | 253 | 106 | 63 |
| 453 | Metallography | 5 | 252 | 256 | 79 |
| 454 | Organometallic compounds | 19 | 251 | 510 | 753 |
| 455 | Hemodynamics | 1 | 246 | 1.6K | 914 |
| 456 | Oxidation | 19 | 244 | 40 | 79 |
| 457 | Data Mining | 17 | 243 | 480 | 989 |
| 458 | Histology | 10 | 241 | 1.3K | 1.6K |
| 458 | Global Health | 7 | 241 | 762 | 401 |
| 458 | Analytical Biochemistry | 16 | 241 | 537 | 877 |
| 458 | Organometallic chemistry | 25 | 241 | 433 | 792 |
| 462 | Geriatrics | 15 | 240 | 1.8K | 2.1K |
| 462 | computer networks | 17 | 240 | 905 | 1.2K |
| 464 | Combinatorial chemistry | 9 | 236 | 541 | 724 |
| 464 | Intellectual disability | 5 | 236 | 763 | 485 |
| 466 | Inflammation | 16 | 235 | 533 | 1.1K |
| 466 | extraterrestrial environment | 16 | 235 | 49 | 79 |
| 466 | astronomical phenomena | 16 | 235 | 40 | 61 |
| 469 | Biodegradation | 10 | 234 | 130 | 218 |
| 469 | Biogeochemistry | 10 | 234 | 613 | 876 |
| 471 | land degradation | 7 | 233 | 260 | 248 |
| 471 | degradation | 7 | 233 | 260 | 248 |
| 471 | Influenza | 6 | 233 | 197 | 116 |
| 474 | structural stability | 7 | 232 | 235 | 144 |
| 475 | Evolutionary economics | 3 | 231 | 155 | 71 |
| 475 | Population Dynamics | 3 | 231 | 189 | 86 |
| 477 | Photonics | 14 | 229 | 1.1K | 1.5K |
| 477 | counseling | 5 | 229 | 1.2K | 689 |
| 479 | Biopharmaceutics | 14 | 227 | 442 | 759 |
| 479 | Respiratory Infections | 5 | 227 | 302 | 162 |
| 481 | optical devices | 8 | 226 | 244 | 158 |
| 482 | Vocational guidance | 4 | 225 | 743 | 438 |
| 483 | Photochemistry | 21 | 224 | 427 | 918 |
| 483 | calcification | 5 | 224 | 503 | 483 |
| 483 | China | 23 | 224 | 936 | 1.4K |
| 486 | Toxins | 3 | 223 | 732 | 348 |
| 487 | Oncogenes | 4 | 221 | 1.4K | 1.6K |
| 488 | Metabolic diseases | 10 | 219 | 1.8K | 2.6K |
| 489 | Altitude Sickness | 5 | 216 | 82 | 37 |
| 489 | Food service management | 9 | 216 | 63 | 153 |
| 489 | Altitude | 5 | 216 | 82 | 37 |
| 492 | Paleontology | 15 | 215 | 716 | 809 |
| 493 | cytokines | 14 | 213 | 502 | 1.0K |
| 494 | Vocational Education | 1 | 212 | 1.1K | 228 |
| 494 | Boundary Value Problems | 5 | 212 | 613 | 321 |
| 494 | elasticity | 4 | 212 | 207 | 92 |
| 497 | Psychopharmacology | 6 | 211 | 1.5K | 1.6K |
| 498 | Geochemistry | 6 | 210 | 1.2K | 973 |
| 498 | Industrial Policy | 4 | 210 | 332 | 166 |
| 498 | carcinogens | 4 | 210 | 1.2K | 999 |
| 501 | Remote Sensing | 11 | 209 | 408 | 427 |
| 502 | Astrophysics | 21 | 208 | 1.6K | 2.2K |
| 502 | internet | 10 | 208 | 690 | 727 |
| 504 | Wind power | 14 | 207 | 51 | 112 |
| 504 | indoor air pollution | 12 | 207 | 130 | 266 |
| 504 | Ventilation | 12 | 207 | 200 | 300 |
| 504 | Sick building syndrome | 12 | 207 | 130 | 266 |
| 508 | sustainability | 10 | 206 | 341 | 661 |
| 509 | Information Science | 16 | 205 | 616 | 1.1K |
| 510 | peptides | 6 | 204 | 754 | 415 |
| 510 | venom | 2 | 204 | 767 | 300 |
| 512 | Oncology | 6 | 202 | 2.1K | 2.6K |
| 513 | Plant Genetics | 4 | 200 | 731 | 721 |
| 513 | Microwaves | 16 | 200 | 721 | 789 |
| 515 | Health Policy | 14 | 199 | 1.3K | 1.8K |
| 515 | Industry | 4 | 199 | 128 | 227 |
| 517 | Immunotherapy | 8 | 198 | 1.4K | 1.9K |
| 517 | Criminal investigation | 18 | 198 | 18 | 39 |
| 519 | Internet of Things | 7 | 194 | 622 | 559 |
| 520 | Risk assessment | 20 | 193 | 74 | 201 |
| 521 | Statistics | 25 | 191 | 1.1K | 1.7K |
| 522 | Fiber Optics | 13 | 190 | 392 | 509 |
| 523 | Psychophysiology | 15 | 189 | 1.5K | 2.5K |
| 524 | Petroleum Engineering | 10 | 188 | 356 | 329 |
| 525 | Agricultural Engineering | 11 | 187 | 83 | 72 |
| 525 | Photobiology | 19 | 187 | 153 | 535 |
| 527 | Plant Taxonomy | 1 | 185 | 870 | 275 |
| 527 | Host-parasite interactions | 2 | 185 | 1.8K | 1.7K |
| 529 | radiocarbon dating | 10 | 184 | 171 | 189 |
| 529 | complementary therapies | 9 | 184 | 1.3K | 1.3K |
| 531 | Structural optimization | 6 | 182 | 258 | 237 |
| 531 | food handling | 8 | 182 | 196 | 282 |
| 531 | scholarly publishing | 3 | 182 | 135 | 41 |
| 531 | Vaccines | 8 | 182 | 1.2K | 1.4K |
| 535 | mutagens | 3 | 180 | 1.1K | 1.0K |
| 536 | Nutrition physiology | 8 | 179 | 458 | 674 |
| 536 | Carcinogenesis | 2 | 179 | 1.6K | 1.1K |
| 536 | feeding behavior | 9 | 179 | 331 | 518 |
| 539 | Flood forecasting | 4 | 178 | 68 | 27 |
| 540 | Organizational Sociology | 4 | 177 | 263 | 174 |
| 540 | Alternative Medicine | 8 | 177 | 1.3K | 1.4K |
| 540 | drug abuse | 8 | 177 | 410 | 432 |
| 543 | Computer Graphics | 9 | 176 | 844 | 870 |
| 543 | Neuroimmunology | 4 | 176 | 594 | 704 |
| 543 | Crystallography | 24 | 176 | 664 | 832 |
| 543 | Decision making | 12 | 176 | 714 | 1.0K |
| 547 | Education | 14 | 175 | 2.1K | 2.0K |
| 547 | Psychoneuroimmunology | 3 | 175 | 608 | 630 |
| 549 | Microstructure | 24 | 174 | 32 | 96 |
| 550 | Liquid Crystals | 17 | 173 | 386 | 359 |
| 550 | Turbulence | 5 | 173 | 171 | 105 |
| 550 | Fuzzy systems | 18 | 173 | 475 | 620 |
| 553 | Antenna Arrays | 2 | 172 | 703 | 356 |
| 553 | enzymes | 5 | 172 | 1.2K | 1.1K |
| 555 | cell physiology | 10 | 171 | 1.1K | 1.8K |
| 556 | Communication | 6 | 170 | 1.5K | 1.2K |
| 556 | drug development | 5 | 170 | 1.1K | 1.6K |
| 558 | Semiconductors | 19 | 169 | 357 | 549 |
| 558 | toxicity testing | 6 | 169 | 484 | 475 |
| 558 | brain mapping | 3 | 169 | 938 | 788 |
| 561 | Human-Computer Interaction | 12 | 168 | 693 | 1.0K |
| 562 | Chemotherapy | 7 | 167 | 1.2K | 1.4K |
| 562 | water reuse | 4 | 167 | 238 | 143 |
| 564 | Human Geography | 8 | 166 | 665 | 600 |
| 564 | Leadership | 6 | 166 | 151 | 205 |
| 564 | Calorimetry | 21 | 166 | 272 | 607 |
| 564 | baking | 6 | 166 | 147 | 159 |
| 564 | Thermal analysis | 21 | 166 | 272 | 607 |
| 569 | Enzyme | 3 | 164 | 246 | 160 |
| 570 | Social Psychology | 15 | 163 | 942 | 1.6K |
| 570 | hazard mitigation | 7 | 163 | 546 | 623 |
| 570 | Allergy | 1 | 163 | 2.4K | 1.6K |
| 573 | Access to Information | 5 | 162 | 57 | 99 |
| 573 | big data | 5 | 162 | 317 | 201 |
| 573 | Geobiology | 2 | 162 | 737 | 365 |
| 573 | Information dissemination | 5 | 162 | 57 | 99 |
| 577 | Metastasis | 2 | 161 | 311 | 349 |
| 577 | Arboriculture | 14 | 161 | 13 | 6 |
| 577 | harm reduction | 7 | 161 | 100 | 108 |
| 580 | Oceanography | 13 | 160 | 940 | 1.3K |
| 581 | Molecular Pharmacology | 4 | 159 | 979 | 1.0K |
| 581 | Catalysts | 6 | 159 | 505 | 449 |
| 583 | Multiphase Flow | 6 | 157 | 49 | 49 |
| 583 | Africa | 19 | 157 | 549 | 637 |
| 583 | Flow cytometry | 9 | 157 | 219 | 357 |
| 586 | Petrology | 2 | 156 | 1.0K | 705 |
| 586 | Consumer education | 6 | 156 | 166 | 256 |
| 588 | Invertebrates | 4 | 155 | 411 | 276 |
| 589 | preventive medicine | 5 | 154 | 1.2K | 1.1K |
| 589 | animals | 13 | 154 | 716 | 888 |
| 589 | Appetite | 6 | 154 | 384 | 517 |
| 592 | natural disasters | 11 | 151 | 596 | 1.0K |
| 593 | Nuclear Engineering | 22 | 149 | 583 | 803 |
| 593 | food service | 6 | 149 | 42 | 15 |
| 595 | Humanities | 4 | 148 | 1.8K | 535 |
| 595 | Computer Science | 22 | 148 | 608 | 1.1K |
| 595 | Quantum electronics | 29 | 148 | 458 | 1.1K |
| 595 | health planning | 15 | 148 | 552 | 1.1K |
| 595 | Fouling | 7 | 148 | 109 | 235 |
| 600 | Neurochemistry | 9 | 147 | 1.7K | 2.4K |
| 601 | Ecohydrology | 7 | 146 | 150 | 212 |
| 601 | Microfluidics | 3 | 146 | 305 | 175 |
| 603 | Herbal medicine | 1 | 145 | 1.0K | 491 |
| 603 | Bioinorganic chemistry | 13 | 145 | 708 | 1.1K |
| 603 | Synchrotron Radiation | 4 | 145 | 405 | 253 |
| 603 | behavior therapy | 11 | 145 | 410 | 655 |
| 607 | Forensic Genetics | 5 | 144 | 212 | 224 |
| 607 | Optical Communications | 4 | 144 | 835 | 451 |
| 607 | Food Security | 3 | 144 | 173 | 146 |
| 610 | Anti-inflammatory agents | 8 | 143 | 73 | 126 |
| 611 | Evidence-Based Medicine | 6 | 142 | 1.0K | 916 |
| 612 | Sedimentology | 3 | 141 | 802 | 611 |
| 613 | Computer Vision | 3 | 140 | 994 | 904 |
| 614 | Viticulture | 2 | 139 | 204 | 88 |
| 614 | Developmental Disabilities | 3 | 139 | 1.2K | 1.1K |
| 614 | genome | 10 | 139 | 1.1K | 2.3K |
| 617 | Wetland ecology | 7 | 136 | 243 | 349 |
| 617 | Agricultural systems | 3 | 136 | 99 | 124 |
| 619 | Environmental Geology | 12 | 135 | 551 | 1.1K |
| 619 | Molecular Microbiology | 2 | 135 | 1.4K | 1.3K |
| 621 | Nanochemistry | 10 | 134 | 580 | 717 |
| 621 | Conservation Biology | 5 | 134 | 934 | 1.2K |
| 621 | Diffraction | 16 | 134 | 43 | 58 |
| 621 | Powder Metallurgy | 16 | 134 | 129 | 108 |
| 625 | Sites | 5 | 133 | 111 | 132 |
| 625 | sports equipment | 17 | 133 | 4 | 3 |
| 625 | Birth control | 4 | 133 | 443 | 407 |
| 628 | Applied Mathematics | 18 | 132 | 231 | 195 |
| 628 | health services accessibility | 2 | 132 | 1.4K | 643 |
| 630 | Mobile Computing | 6 | 131 | 865 | 774 |
| 630 | Immunopharmacology | 7 | 131 | 567 | 841 |
| 632 | Critical Care | 2 | 130 | 2.7K | 2.4K |
| 632 | Critical Care Medicine | 1 | 130 | 3.0K | 2.3K |
| 632 | Technology Assessment | 2 | 130 | 219 | 138 |
| 632 | Chemical kinetics | 7 | 130 | 507 | 340 |
| 636 | Educational Technology | 10 | 129 | 784 | 1.0K |
| 636 | Immunopathology | 2 | 129 | 2.0K | 1.6K |
| 636 | Thin Films | 6 | 129 | 414 | 343 |
| 636 | Soft Condensed Matter | 7 | 129 | 853 | 1.0K |
| 636 | Reproduction | 4 | 129 | 2.6K | 2.3K |
| 636 | Muscle contraction | 10 | 129 | 69 | 41 |
| 642 | Anatomy | 6 | 128 | 1.8K | 2.1K |
| 642 | Animal ecology | 9 | 128 | 778 | 1.1K |
| 644 | Superconductors | 2 | 127 | 1.3K | 585 |
| 644 | Evolutionary Computation | 6 | 127 | 210 | 477 |
| 646 | Learning | 2 | 124 | 1.8K | 1.1K |
| 647 | Radio wave propagation | 12 | 123 | 422 | 548 |
| 647 | Plant breeding | 7 | 123 | 661 | 853 |
| 647 | Optoelectronic devices | 25 | 123 | 154 | 407 |
| 650 | Systems Biology | 7 | 122 | 1.3K | 1.5K |
| 650 | Drug delivery devices | 3 | 122 | 267 | 326 |
| 650 | Molecules | 8 | 122 | 1.0K | 1.1K |
| 653 | Health Risk Assessment | 7 | 121 | 213 | 267 |
| 653 | economic development projects | 6 | 121 | 88 | 112 |
| 653 | Human biology | 7 | 121 | 442 | 500 |
| 656 | Aerospace Engineering | 28 | 120 | 50 | 103 |
| 656 | Adaptive control systems | 13 | 120 | 187 | 331 |
| 656 | Biomass | 1 | 120 | 444 | 186 |
| 659 | Hormones | 5 | 119 | 1.2K | 1.4K |
| 660 | electric vehicles | 12 | 118 | 88 | 155 |
| 660 | Gene expression regulation | 2 | 118 | 1.6K | 1.2K |
| 662 | Architectural Design | 4 | 117 | 376 | 143 |
| 662 | Surface-Active Agents | 4 | 117 | 909 | 1.1K |
| 662 | plasticity | 2 | 117 | 143 | 140 |
| 662 | Surface properties | 4 | 117 | 911 | 1.1K |
| 666 | Structural health monitoring | 4 | 116 | 161 | 159 |
| 666 | consumer behavior | 2 | 116 | 709 | 508 |
| 666 | Cell differentiation | 1 | 116 | 3.4K | 2.6K |
| 666 | DNA methylation | 1 | 116 | 771 | 416 |
| 666 | Birds | 14 | 116 | 658 | 920 |
| 671 | Project Management | 5 | 115 | 25 | 105 |
| 671 | Extreme environments | 2 | 115 | 364 | 288 |
| 673 | Quantum Optics | 6 | 114 | 692 | 668 |
| 673 | Genetic algorithms | 3 | 114 | 317 | 446 |
| 673 | Pharmacy management | 6 | 114 | 166 | 181 |
| 673 | Atomic spectroscopy | 6 | 114 | 780 | 732 |
| 673 | Laser Spectroscopy | 6 | 114 | 643 | 627 |
| 678 | Telecommunication Systems | 12 | 113 | 695 | 969 |
| 678 | Dietetics | 4 | 113 | 663 | 591 |
| 678 | water resources | 1 | 113 | 464 | 122 |
| 678 | Bioinformatics | 12 | 113 | 1.4K | 2.5K |
| 682 | Radiobiology | 5 | 112 | 1.8K | 1.6K |
| 683 | ecological risk assessment | 6 | 111 | 124 | 192 |
| 683 | Transgenic plants | 4 | 111 | 491 | 628 |
| 683 | X-rays | 4 | 111 | 693 | 481 |
| 683 | traffic safety | 4 | 111 | 253 | 164 |
| 687 | Clinical Immunology | 2 | 109 | 1.9K | 1.4K |
| 687 | Infection control | 14 | 109 | 371 | 939 |
| 687 | Developmental Immunology | 2 | 109 | 1.2K | 835 |
| 690 | Plant hormones | 2 | 108 | 474 | 342 |
| 690 | drinking water | 10 | 108 | 29 | 34 |
| 690 | Safety management | 9 | 108 | 189 | 264 |
| 693 | Molecular Spectroscopy | 1 | 107 | 2.6K | 1.3K |
| 694 | technology transfer | 3 | 106 | 188 | 253 |
| 694 | Raman spectroscopy | 7 | 106 | 446 | 670 |
| 696 | Physical fitness | 13 | 105 | 545 | 1.2K |
| 696 | Social work | 9 | 105 | 796 | 946 |
| 698 | Geographic information systems | 9 | 104 | 570 | 740 |
| 698 | bioclimatology | 5 | 104 | 771 | 891 |
| 700 | Political Science | 20 | 102 | 863 | 1.3K |
| 700 | Sexual health | 10 | 102 | 438 | 672 |
| 700 | Sea | 2 | 102 | 392 | 302 |
| 700 | Fishery resources | 2 | 102 | 506 | 342 |
| 700 | impact | 3 | 102 | 118 | 126 |
| 705 | Plant tissue culture | 7 | 101 | 504 | 822 |
| 705 | Lipids | 3 | 101 | 1.7K | 1.7K |
| 705 | Water chemistry | 6 | 101 | 146 | 249 |
| 705 | Plant cell culture | 7 | 101 | 444 | 813 |
| 709 | Criminology | 12 | 99 | 478 | 810 |
| 710 | Signal Transduction | 6 | 98 | 1.2K | 2.0K |
| 710 | Child | 5 | 98 | 2.7K | 2.6K |
| 710 | Brain | 11 | 98 | 1.6K | 2.7K |
| 713 | Neuropsychology | 8 | 97 | 1.7K | 2.4K |
| 713 | Wildlife management | 8 | 97 | 294 | 422 |
| 713 | Paleopathology | 9 | 97 | 140 | 208 |
| 713 | Population | 6 | 97 | 683 | 841 |
| 717 | Schizophrenia | 3 | 96 | 1.2K | 1.2K |
| 717 | Learning disabilities | 2 | 96 | 1.2K | 788 |
| 719 | particles | 6 | 95 | 498 | 651 |
| 720 | Respiratory system | 2 | 94 | 976 | 789 |
| 720 | Library Science | 5 | 94 | 1.1K | 545 |
| 720 | herbicides | 5 | 94 | 315 | 374 |
| 723 | Computer Engineering | 12 | 93 | 158 | 386 |
| 723 | Water quality | 4 | 93 | 162 | 179 |
| 723 | Asia | 21 | 93 | 824 | 1.8K |
| 726 | Environmental Economics | 2 | 92 | 566 | 323 |
| 726 | cell adhesion molecules | 8 | 92 | 299 | 782 |
| 726 | cell interaction | 8 | 92 | 800 | 1.5K |
| 726 | Cell communication | 8 | 92 | 535 | 1.1K |
| 730 | Vaccination | 3 | 91 | 355 | 400 |
| 730 | older people | 6 | 91 | 1.5K | 1.4K |
| 732 | probabilities | 7 | 90 | 963 | 864 |
| 732 | Textile industry | 7 | 90 | 389 | 338 |
| 734 | industrial hygiene | 13 | 89 | 496 | 874 |
| 735 | Kinetics | 7 | 88 | 316 | 450 |
| 735 | Corporate Social Responsibility | 4 | 88 | 158 | 377 |
| 735 | environmental auditing | 4 | 88 | 169 | 379 |
| 735 | industrial relations | 10 | 88 | 413 | 626 |
| 735 | biomimicry | 2 | 88 | 219 | 167 |
| 740 | Pediatrics | 2 | 87 | 4.0K | 3.5K |
| 740 | Algorithms | 4 | 87 | 568 | 471 |
| 740 | Simulation Methods | 9 | 87 | 103 | 223 |
| 743 | Rural Development | 13 | 86 | 81 | 313 |
| 744 | Marine Engineering | 11 | 85 | 192 | 148 |
| 744 | Urban Areas | 2 | 85 | 334 | 188 |
| 744 | Memory | 2 | 85 | 914 | 784 |
| 747 | Civil Engineering | 23 | 84 | 464 | 997 |
| 748 | Logistics | 10 | 83 | 72 | 298 |
| 748 | Microbial Biotechnology | 8 | 83 | 533 | 1.2K |
| 750 | air quality management | 4 | 82 | 314 | 537 |
| 750 | Ornithology | 12 | 82 | 557 | 918 |
| 752 | Geosynthetics | 1 | 81 | 343 | 125 |
| 752 | Primates | 6 | 81 | 628 | 840 |
| 754 | Pesticides | 7 | 80 | 299 | 491 |
| 754 | food industry | 4 | 80 | 204 | 259 |
| 756 | curriculum | 1 | 79 | 171 | 54 |
| 756 | curriculum planning | 1 | 79 | 354 | 126 |
| 756 | India | 12 | 79 | 856 | 956 |
| 759 | Luminescence | 9 | 77 | 318 | 575 |
| 759 | Eastern Europe | 6 | 77 | 997 | 562 |
| 761 | Mental Health | 7 | 76 | 1.3K | 1.9K |
| 761 | Industrial Ecology | 2 | 76 | 269 | 328 |
| 761 | protein | 9 | 76 | 871 | 1.6K |
| 761 | wetland management | 3 | 76 | 171 | 225 |
| 761 | drug control | 3 | 76 | 381 | 443 |
| 766 | transgenic organisms | 2 | 75 | 435 | 478 |
| 766 | Medical Anthropology | 2 | 75 | 1.7K | 1.7K |
| 766 | transgenic animals | 2 | 75 | 409 | 467 |
| 766 | plasma spraying | 3 | 75 | 285 | 268 |
| 766 | data collection | 9 | 75 | 562 | 1.4K |
| 766 | Cell death | 2 | 75 | 1.9K | 2.1K |
| 772 | Environmental Geochemistry | 6 | 74 | 308 | 566 |
| 772 | natural gas | 5 | 74 | 275 | 319 |
| 772 | Minerals | 6 | 74 | 486 | 822 |
| 775 | Embryology | 1 | 73 | 3.1K | 2.5K |
| 775 | Occupational Health | 14 | 73 | 525 | 1.2K |
| 775 | Stochastic Processes | 7 | 73 | 595 | 810 |
| 775 | Cardiovascular system | 3 | 73 | 2.4K | 3.4K |
| 779 | Intelligent Control Systems | 8 | 72 | 646 | 777 |
| 779 | winds | 9 | 72 | 17 | 61 |
| 779 | Structure-activity relationship | 5 | 72 | 315 | 486 |
| 782 | emergency management | 8 | 71 | 475 | 906 |
| 782 | Carbon | 4 | 71 | 752 | 1.3K |
| 784 | Microbial Metabolism | 2 | 70 | 307 | 364 |
| 784 | Antarctica | 8 | 70 | 133 | 199 |
| 784 | Bones | 5 | 70 | 595 | 1.1K |
| 787 | Urban Policy | 5 | 69 | 371 | 702 |
| 787 | infrared radiation | 3 | 69 | 362 | 225 |
| 787 | Work | 3 | 69 | 359 | 352 |
| 787 | biological agents | 10 | 69 | 289 | 198 |
| 791 | Contraception | 1 | 68 | 1.3K | 790 |
| 791 | Reproductive health | 1 | 68 | 1.7K | 1.0K |
| 791 | Antibodies | 5 | 68 | 411 | 711 |
| 791 | Antigens | 5 | 68 | 744 | 1.1K |
| 795 | Oxidative stress | 4 | 67 | 1.2K | 1.9K |
| 795 | Job satisfaction | 2 | 67 | 156 | 261 |
| 795 | Chemical processes | 3 | 67 | 775 | 669 |
| 795 | scientific societies | 2 | 67 | 1.3K | 1.1K |
| 795 | job stress | 2 | 67 | 156 | 261 |
| 800 | Soil Mechanics | 2 | 66 | 1.2K | 972 |
| 800 | Sustainable Design | 4 | 66 | 4 | 8 |
| 800 | Animal Behavior | 6 | 66 | 1.4K | 2.5K |
| 800 | Flexible manufacturing systems | 3 | 66 | 191 | 254 |
| 800 | Cellular senescence | 3 | 66 | 964 | 1.3K |
| 800 | Ecosystem management | 3 | 66 | 747 | 920 |
| 800 | Nervous system | 11 | 66 | 1.6K | 3.7K |
| 800 | Europa | 6 | 66 | 448 | 607 |
| 808 | Psychiatric Nursing | 3 | 65 | 846 | 743 |
| 808 | drug resistance | 6 | 65 | 433 | 980 |
| 810 | Pharmacokinetics | 9 | 64 | 470 | 1.2K |
| 811 | Emergency Medical Services | 4 | 63 | 1.1K | 1.0K |
| 811 | Statistical Mechanics | 14 | 63 | 359 | 723 |
| 811 | Cell surface receptors | 1 | 63 | 353 | 114 |
| 814 | Phylogeny | 1 | 62 | 1.6K | 1.2K |
| 815 | Law | 10 | 61 | 994 | 836 |
| 815 | Hospitals | 9 | 61 | 607 | 1.3K |
| 817 | Ophthalmology | 3 | 60 | 2.1K | 2.3K |
| 817 | Systems Theory | 6 | 60 | 331 | 421 |
| 817 | Wetland conservation | 4 | 60 | 281 | 437 |
| 817 | Marine resources | 4 | 60 | 305 | 467 |
| 817 | ethanol | 4 | 60 | 476 | 641 |
| 817 | civil service | 3 | 60 | 400 | 423 |
| 817 | Wetlands | 4 | 60 | 289 | 438 |
| 824 | Nuclear Medicine | 2 | 59 | 1.5K | 1.4K |
| 824 | Land Use Planning | 1 | 59 | 715 | 569 |
| 824 | Biological Systems | 5 | 59 | 575 | 1.0K |
| 824 | occupational diseases | 6 | 59 | 837 | 1.5K |
| 824 | Molecular Imaging | 2 | 59 | 1.1K | 1.2K |
| 824 | Groundwater | 4 | 59 | 765 | 903 |
| 830 | Urology | 5 | 58 | 1.8K | 2.5K |
| 830 | Nanomedicine | 6 | 58 | 116 | 484 |
| 830 | Food Safety | 4 | 58 | 206 | 262 |
| 830 | Econometrics | 2 | 58 | 1.9K | 1.4K |
| 830 | Hydraulic Engineering | 6 | 58 | 613 | 903 |
| 830 | Biofilms | 2 | 58 | 227 | 303 |
| 830 | Housing | 2 | 58 | 422 | 409 |
| 830 | Tropical Medicine | 4 | 58 | 2.0K | 2.4K |
| 830 | vitamins | 1 | 58 | 264 | 208 |
| 839 | Criminal psychology | 8 | 57 | 520 | 990 |
| 839 | Regional Development | 1 | 57 | 583 | 386 |
| 839 | Development planning | 1 | 57 | 531 | 361 |
| 839 | Economic planning | 1 | 57 | 690 | 468 |
| 843 | Entropy | 6 | 56 | 870 | 1.1K |
| 843 | starch | 2 | 56 | 571 | 473 |
| 843 | X-ray crystallography | 4 | 56 | 679 | 712 |
| 843 | Monomers | 1 | 56 | 201 | 68 |
| 843 | child abuse | 2 | 56 | 1.1K | 1.2K |
| 848 | Terahertz Technology | 1 | 55 | 317 | 209 |
| 848 | Computational Intelligence | 9 | 55 | 461 | 1.0K |
| 848 | Pest control | 6 | 55 | 94 | 156 |
| 848 | Ethnology | 5 | 55 | 1.3K | 1.3K |
| 848 | Chemical structure | 5 | 55 | 367 | 425 |
| 848 | Soundproofing | 5 | 55 | 36 | 30 |
| 848 | Recombinant DNA | 3 | 55 | 1.7K | 2.0K |
| 848 | educational innovations | 1 | 55 | 932 | 542 |
| 856 | Astronomy | 7 | 54 | 2.2K | 2.9K |
| 856 | Public Relations | 4 | 54 | 311 | 364 |
| 856 | Environmental Education | 2 | 54 | 527 | 414 |
| 856 | Change management | 11 | 54 | 26 | 105 |
| 856 | Adolescent | 5 | 54 | 2.1K | 2.8K |
| 856 | Radiation effects | 2 | 54 | 345 | 425 |
| 862 | Neurobiology | 3 | 53 | 2.1K | 2.8K |
| 862 | International Relations | 4 | 53 | 1.5K | 1.1K |
| 862 | Architectural Acoustics | 3 | 53 | 45 | 25 |
| 862 | Politics | 1 | 53 | 1.3K | 547 |
| 862 | Food inspection | 1 | 53 | 101 | 30 |
| 862 | Financial Institutions | 5 | 53 | 195 | 409 |
| 862 | government | 1 | 53 | 1.4K | 711 |
| 862 | food quality | 1 | 53 | 101 | 30 |
| 870 | Neuropharmacology | 6 | 52 | 532 | 1.1K |
| 870 | Anxiety Disorders | 1 | 52 | 1.1K | 1.1K |
| 870 | Anxiety | 1 | 52 | 1.1K | 1.1K |
| 870 | bioluminescence | 8 | 52 | 149 | 328 |
| 874 | Information Systems | 7 | 51 | 915 | 1.9K |
| 874 | remote sensing technology | 1 | 51 | 99 | 69 |
| 876 | Radiation Protection | 8 | 50 | 392 | 582 |
| 876 | Bifurcation Theory | 3 | 50 | 607 | 606 |
| 878 | Asthma | 3 | 49 | 941 | 1.1K |
| 878 | Clinical Biochemistry | 2 | 49 | 1.7K | 1.7K |
| 878 | Heterocyclic chemistry | 10 | 49 | 202 | 404 |
| 878 | air quality | 1 | 49 | 593 | 368 |
| 882 | Inventory Control | 5 | 48 | 17 | 118 |
| 882 | War | 11 | 48 | 48 | 201 |
| 882 | Child Development | 1 | 48 | 3.6K | 2.9K |
| 885 | Biostatistics | 1 | 47 | 454 | 93 |
| 885 | Health Services Administration | 5 | 47 | 1.0K | 1.8K |
| 885 | Higher Education | 4 | 47 | 495 | 634 |
| 885 | Industrial Sociology | 4 | 47 | 131 | 230 |
| 885 | Travel | 7 | 47 | 544 | 1.1K |
| 885 | Adhesion | 4 | 47 | 446 | 629 |
| 885 | Technological Innovations | 7 | 47 | 556 | 1.1K |
| 885 | Fixed Point Theory | 7 | 47 | 169 | 210 |
| 885 | Critical theory | 1 | 47 | 380 | 157 |
| 885 | Semiotics | 1 | 47 | 778 | 184 |
| 885 | movement | 4 | 47 | 196 | 413 |
| 885 | adhesives | 4 | 47 | 501 | 639 |
| 885 | weight loss | 3 | 47 | 173 | 245 |
| 898 | Plasma chemistry | 8 | 46 | 215 | 609 |
| 898 | Energy Consumption | 3 | 46 | 389 | 675 |
| 898 | Quality Assurance | 9 | 46 | 95 | 395 |
| 898 | Socialization | 1 | 46 | 998 | 938 |
| 898 | dietary supplements | 4 | 46 | 410 | 913 |
| 898 | Plasma polymerization | 8 | 46 | 140 | 433 |
| 898 | foods | 3 | 46 | 310 | 347 |
| 898 | ozone | 3 | 46 | 126 | 164 |
| 898 | role | 1 | 46 | 826 | 807 |
| 898 | violence | 6 | 46 | 683 | 1.3K |
| 908 | Neuropsychiatry | 3 | 45 | 1.2K | 1.7K |
| 908 | Phytochemistry | 4 | 45 | 218 | 523 |
| 908 | Clinical Pharmacology | 4 | 45 | 1.3K | 1.9K |
| 908 | terrorism | 6 | 45 | 173 | 324 |
| 908 | Phytoremediation | 4 | 45 | 218 | 523 |
| 908 | Molecular cloning | 2 | 45 | 1.9K | 2.1K |
| 908 | environmental remediation | 4 | 45 | 294 | 602 |
| 908 | Genetic recombination | 2 | 45 | 1.9K | 2.0K |
| 908 | Bioreactors | 4 | 45 | 218 | 523 |
| 908 | Eating Disorders | 6 | 45 | 738 | 1.4K |
| 908 | Feeding and Eating Disorders | 6 | 45 | 715 | 1.4K |
| 908 | Papermaking | 9 | 45 | 97 | 95 |
| 920 | Nursing | 2 | 44 | 2.9K | 2.4K |
| 920 | Information Retrieval | 1 | 44 | 964 | 687 |
| 920 | behavioral medicine | 5 | 44 | 1.3K | 2.6K |
| 920 | Public Spaces | 1 | 44 | 184 | 75 |
| 920 | microwave antennas | 7 | 44 | 265 | 492 |
| 920 | Geriatric Oncology | 1 | 44 | 1.2K | 1.1K |
| 920 | Friction | 2 | 44 | 157 | 220 |
| 920 | Welding | 8 | 44 | 161 | 193 |
| 920 | personal space | 1 | 44 | 170 | 75 |
| 920 | pain | 4 | 44 | 1.7K | 2.6K |
| 930 | Regional Economics | 4 | 43 | 398 | 579 |
| 930 | Natural resources | 2 | 43 | 916 | 998 |
| 930 | Happiness | 3 | 43 | 432 | 730 |
| 930 | particle beams | 4 | 43 | 276 | 339 |
| 930 | Quality of life | 3 | 43 | 1.9K | 2.7K |
| 930 | disease vectors | 3 | 43 | 1.2K | 1.7K |
| 930 | Cellulose | 4 | 43 | 556 | 1.1K |
| 930 | Scandinavia | 1 | 43 | 1.4K | 962 |
| 930 | silicon | 5 | 43 | 236 | 334 |
| 939 | Radiology | 2 | 42 | 2.2K | 1.9K |
| 939 | Erectile dysfunction | 1 | 42 | 574 | 426 |
| 939 | pain management | 3 | 42 | 888 | 1.1K |
| 939 | Aviation | 7 | 42 | 46 | 80 |
| 939 | geological modeling | 7 | 42 | 298 | 648 |
| 939 | Meteorites | 5 | 42 | 488 | 902 |
| 945 | Andrology | 2 | 41 | 1.1K | 1.1K |
| 945 | radiation monitoring | 6 | 41 | 459 | 635 |
| 945 | Social policy | 2 | 41 | 1.3K | 1.1K |
| 945 | Radiation dosimetry | 5 | 41 | 426 | 506 |
| 945 | synthesis | 6 | 41 | 885 | 1.3K |
| 950 | Orthopedics | 6 | 40 | 1.6K | 2.7K |
| 950 | Ethology | 3 | 40 | 1.5K | 2.4K |
| 950 | Imaging systems | 5 | 40 | 411 | 568 |
| 953 | Marine Ecology | 4 | 39 | 661 | 976 |
| 953 | Histochemistry | 3 | 39 | 1.4K | 1.8K |
| 953 | Marine Meteorology | 1 | 39 | 528 | 453 |
| 953 | Fractals | 5 | 39 | 406 | 931 |
| 953 | Heterocyclic compounds | 7 | 39 | 738 | 1.1K |
| 953 | Nonlinear systems | 3 | 39 | 688 | 833 |
| 959 | Experimental Psychology | 4 | 38 | 554 | 869 |
| 959 | Dyslexia | 4 | 38 | 111 | 304 |
| 959 | aromatic plants | 5 | 38 | 151 | 195 |
| 959 | Trace elements | 2 | 38 | 463 | 707 |
| 959 | Sales management | 2 | 38 | 117 | 250 |
| 959 | selling | 2 | 38 | 117 | 250 |
| 959 | bees | 3 | 38 | 438 | 579 |
| 966 | Geriatric Pharmacology | 3 | 37 | 396 | 751 |
| 966 | Adolescent Medicine | 1 | 37 | 1.5K | 1.6K |
| 966 | Neurotoxicology | 3 | 37 | 642 | 1.2K |
| 966 | Computer-Aided Design | 5 | 37 | 875 | 1.6K |
| 966 | Metallic Glasses | 1 | 37 | 313 | 245 |
| 966 | Erosion | 1 | 37 | 73 | 90 |
| 966 | Elderly | 3 | 37 | 1.7K | 1.4K |
| 966 | Light | 2 | 37 | 1.6K | 2.1K |
| 966 | primary prevention | 2 | 37 | 679 | 838 |
| 975 | Software Engineering | 6 | 36 | 833 | 1.4K |
| 975 | Thermodynamics | 13 | 36 | 253 | 842 |
| 975 | Glaciology | 2 | 36 | 455 | 517 |
| 975 | Health Education | 9 | 36 | 1.2K | 2.9K |
| 975 | Immunochemistry | 4 | 36 | 931 | 1.5K |
| 975 | Social welfare | 2 | 36 | 939 | 872 |
| 975 | Speech Disorders | 3 | 36 | 1.1K | 1.5K |
| 975 | nucleic acids | 3 | 36 | 2.4K | 3.5K |
| 975 | Radioisotopes | 3 | 36 | 1.2K | 1.3K |
| 975 | glaciers | 2 | 36 | 424 | 505 |
| 985 | Kinesiology | 3 | 35 | 174 | 272 |
| 985 | Paleoecology | 5 | 35 | 527 | 989 |
| 985 | Nuclear Fusion | 3 | 35 | 483 | 548 |
| 985 | Geopolitics | 3 | 35 | 280 | 320 |
| 985 | Ichthyology | 5 | 35 | 412 | 635 |
| 985 | Shape Memory Alloys | 1 | 35 | 112 | 67 |
| 985 | Shape memory polymers | 1 | 35 | 112 | 67 |
| 985 | Shape Memory Effect | 1 | 35 | 112 | 67 |
| 985 | Hospitality industry | 3 | 35 | 228 | 445 |
| 985 | fusion reactors | 3 | 35 | 345 | 308 |
| 985 | Fish | 5 | 35 | 311 | 526 |
| 996 | Language Disorders | 2 | 34 | 1.2K | 1.3K |
| 996 | Psychosomatic Medicine | 2 | 34 | 1.1K | 1.6K |
| 996 | Fishery management | 5 | 34 | 599 | 1.0K |
| 996 | community development | 5 | 34 | 317 | 579 |
| 996 | Graphene | 2 | 34 | 185 | 308 |