| 1 | Manufacturing Processes | 395 | 15.1K | 27 | 21 |
| 2 | vibration | 117 | 14.6K | 59 | 6 |
| 3 | Structural dynamics | 96 | 13.9K | 64 | 12 |
| 4 | Materials | 273 | 11.8K | 686 | 615 |
| 5 | Composite Materials | 208 | 10.4K | 142 | 121 |
| 6 | Materials Science | 130 | 6.7K | 738 | 586 |
| 7 | Biocompatible Materials | 107 | 6.4K | 628 | 550 |
| 8 | Mechanical Engineering | 268 | 6.0K | 66 | 46 |
| 9 | Renewable Energy Sources | 57 | 5.5K | 342 | 277 |
| 10 | Production Engineering | 166 | 4.6K | 70 | 44 |
| 11 | Nanotechnology | 72 | 4.4K | 1283 | 1027 |
| 12 | Metallurgy | 54 | 3.5K | 543 | 305 |
| 13 | Solar Energy | 44 | 3.3K | 208 | 97 |
| 14 | Combustion | 93 | 3.1K | 123 | 123 |
| 15 | Metals | 47 | 3.0K | 545 | 331 |
| 16 | Biotechnology | 42 | 3.0K | 2150 | 1587 |
| 17 | Biomedical Engineering | 89 | 2.8K | 853 | 851 |
| 18 | Physics | 68 | 2.7K | 3207 | 3963 |
| 19 | Chemical Engineering | 50 | 2.7K | 1446 | 1124 |
| 20 | Tribology | 86 | 2.5K | 82 | 76 |
| 21 | Polymers | 47 | 2.4K | 1570 | 1032 |
| 22 | energy conservation | 34 | 2.2K | 370 | 320 |
| 23 | Chemistry | 39 | 2.0K | 4227 | 3616 |
| 24 | mass transfer | 58 | 2.0K | 222 | 231 |
| 25 | miniaturization | 12 | 1.8K | 1072 | 559 |
| 26 | Combinatorial chemistry | 10 | 1.7K | 446 | 135 |
| 27 | Medicine | 29 | 1.7K | 5421 | 4117 |
| 28 | Nanostructured Materials | 36 | 1.7K | 1133 | 907 |
| 29 | polymerization | 24 | 1.7K | 1884 | 1064 |
| 30 | Energy Conversion | 15 | 1.7K | 581 | 458 |
| 31 | Robotics | 38 | 1.6K | 331 | 214 |
| 32 | Fracture mechanics | 52 | 1.6K | 239 | 186 |
| 33 | Fluid Dynamics | 73 | 1.6K | 114 | 140 |
| 34 | Product Design | 60 | 1.6K | 45 | 29 |
| 35 | Biology | 19 | 1.5K | 6025 | 5029 |
| 36 | Energy Policy | 25 | 1.5K | 875 | 718 |
| 37 | management | 6 | 1.5K | 2896 | 948 |
| 38 | Heat Exchangers | 30 | 1.5K | 226 | 173 |
| 39 | Environmental Chemistry | 5 | 1.4K | 2033 | 689 |
| 40 | Adhesion | 25 | 1.4K | 59 | 19 |
| 40 | adhesives | 25 | 1.4K | 69 | 19 |
| 42 | Optics | 47 | 1.3K | 1567 | 1143 |
| 43 | coal | 25 | 1.1K | 469 | 439 |
| 44 | Optical materials | 17 | 1.1K | 1347 | 1018 |
| 45 | Plastics | 28 | 1.0K | 430 | 275 |
| 46 | Research | 36 | 956 | 3882 | 4206 |
| 47 | Technological Innovations | 13 | 879 | 346 | 132 |
| 48 | Engineering | 73 | 866 | 704 | 1037 |
| 49 | Measurement | 22 | 814 | 306 | 191 |
| 50 | Biophysics | 24 | 810 | 3046 | 2784 |
| 51 | Biomechanics | 34 | 793 | 326 | 470 |
| 52 | software | 7 | 753 | 623 | 189 |
| 53 | Structural Engineering | 8 | 745 | 1147 | 449 |
| 54 | Biochemical Engineering | 23 | 737 | 1363 | 2176 |
| 55 | Bioengineering | 24 | 709 | 1911 | 2527 |
| 56 | biological factors | 20 | 708 | 708 | 630 |
| 57 | Mathematics | 47 | 670 | 2182 | 1908 |
| 58 | Technology | 14 | 642 | 2474 | 1567 |
| 59 | actuators | 18 | 630 | 941 | 975 |
| 59 | transducers | 18 | 630 | 941 | 975 |
| 61 | Artificial Intelligence | 18 | 616 | 1817 | 1478 |
| 61 | Computer-Aided Design | 20 | 616 | 337 | 321 |
| 63 | Science | 25 | 559 | 5784 | 7873 |
| 64 | Computer Vision | 4 | 552 | 1181 | 588 |
| 65 | Surface Chemistry | 17 | 543 | 2058 | 2014 |
| 66 | Colloids | 14 | 531 | 2223 | 2143 |
| 67 | Sports Medicine | 8 | 511 | 2025 | 1085 |
| 68 | Systems Engineering | 26 | 501 | 584 | 624 |
| 68 | Catalysis | 11 | 501 | 2468 | 2213 |
| 70 | Production Management | 5 | 497 | 926 | 664 |
| 71 | Machining | 28 | 474 | 5 | 7 |
| 71 | machinery | 26 | 474 | 131 | 167 |
| 73 | Dynamics | 31 | 462 | 410 | 446 |
| 74 | Nanoparticles | 14 | 458 | 932 | 965 |
| 75 | plasticity | 7 | 456 | 194 | 197 |
| 76 | Multiphase Flow | 10 | 447 | 166 | 144 |
| 77 | Fluid Mechanics | 31 | 441 | 519 | 731 |
| 78 | Sports | 27 | 436 | 746 | 907 |
| 79 | Sustainable Engineering | 27 | 435 | 411 | 908 |
| 80 | Environmental Policy | 9 | 431 | 2243 | 2258 |
| 81 | Numerical Analysis | 39 | 422 | 591 | 841 |
| 82 | Medical Technology | 8 | 419 | 1303 | 797 |
| 83 | Ultrasonics | 7 | 415 | 710 | 526 |
| 84 | lasers | 14 | 413 | 916 | 582 |
| 85 | energy development | 10 | 409 | 354 | 508 |
| 86 | Environment | 3 | 405 | 6261 | 4422 |
| 87 | Water | 12 | 395 | 1483 | 1854 |
| 87 | energy resources | 2 | 395 | 1895 | 1093 |
| 89 | Engineering Mathematics | 26 | 394 | 806 | 783 |
| 90 | Metallic Glasses | 8 | 392 | 250 | 183 |
| 91 | Ultrasonic Imaging | 6 | 378 | 365 | 167 |
| 91 | Ultrasound | 6 | 378 | 403 | 220 |
| 93 | solar power | 4 | 376 | 795 | 486 |
| 93 | solar cells | 4 | 376 | 906 | 540 |
| 95 | Nondestructive testing | 10 | 370 | 301 | 203 |
| 96 | Building Materials | 5 | 360 | 1483 | 1151 |
| 97 | nanoscience | 13 | 355 | 1718 | 2118 |
| 97 | impact | 6 | 355 | 238 | 179 |
| 99 | Recycling | 4 | 343 | 538 | 480 |
| 100 | Mineralogy | 10 | 340 | 895 | 755 |
| 101 | Process Control | 4 | 336 | 836 | 643 |
| 102 | Turbulence | 11 | 335 | 83 | 68 |
| 103 | Carbon | 9 | 328 | 880 | 1040 |
| 104 | Autonomous robots | 4 | 326 | 138 | 81 |
| 105 | Operations Research | 5 | 322 | 2053 | 1217 |
| 106 | Industrial Engineering | 19 | 318 | 711 | 1009 |
| 106 | Computer Graphics | 5 | 318 | 1489 | 862 |
| 108 | Control Theory | 15 | 311 | 819 | 745 |
| 109 | structural stability | 7 | 294 | 288 | 203 |
| 110 | Structural health monitoring | 6 | 293 | 121 | 87 |
| 111 | Statistical physics | 7 | 286 | 3037 | 2252 |
| 112 | Environmental Engineering | 27 | 282 | 1381 | 2894 |
| 113 | Molecular Biology | 13 | 281 | 5576 | 6968 |
| 114 | Smart Materials | 8 | 279 | 575 | 455 |
| 115 | Ocean Engineering | 21 | 275 | 627 | 1025 |
| 116 | Energy Storage | 10 | 273 | 725 | 817 |
| 117 | Microfluidics | 10 | 269 | 63 | 84 |
| 118 | Microbiology | 4 | 264 | 7263 | 5902 |
| 119 | Automation | 8 | 262 | 1302 | 1140 |
| 120 | Nonlinear Dynamics | 6 | 259 | 1882 | 1424 |
| 121 | fuel cells | 12 | 257 | 693 | 1073 |
| 122 | Green Chemistry | 2 | 253 | 2277 | 1525 |
| 123 | Electronics | 10 | 251 | 2519 | 1991 |
| 124 | Medical Laboratory Science | 3 | 249 | 2672 | 1660 |
| 125 | Solid State Physics | 11 | 243 | 2683 | 2561 |
| 126 | Materials Engineering | 12 | 242 | 223 | 182 |
| 127 | Thermodynamics | 19 | 240 | 367 | 439 |
| 128 | Photonics | 4 | 239 | 1768 | 1447 |
| 129 | Structural design | 7 | 236 | 527 | 449 |
| 130 | Biochemistry | 6 | 235 | 8206 | 7418 |
| 131 | Electrochemistry | 18 | 233 | 2122 | 2648 |
| 132 | System analysis | 11 | 232 | 1487 | 1492 |
| 133 | Analytical Chemistry | 12 | 220 | 3030 | 3592 |
| 134 | Membranes | 3 | 214 | 2122 | 1705 |
| 135 | Metallography | 6 | 203 | 592 | 500 |
| 136 | Finite Element Method | 8 | 199 | 115 | 122 |
| 137 | Biosensors | 6 | 195 | 1014 | 1444 |
| 138 | Pharmaceutical Chemistry | 1 | 193 | 6598 | 3645 |
| 138 | Clinical Chemistry | 1 | 193 | 5348 | 2888 |
| 140 | Public Administration | 1 | 190 | 2746 | 772 |
| 141 | micromechanics | 12 | 189 | 248 | 410 |
| 142 | Electrical Engineering | 9 | 187 | 2565 | 1673 |
| 143 | Image Processing | 12 | 184 | 1095 | 1619 |
| 144 | Mechanics | 15 | 182 | 564 | 714 |
| 145 | Signal Processing | 6 | 181 | 1627 | 1282 |
| 146 | Bioelectronics | 5 | 175 | 980 | 1407 |
| 147 | extraterrestrial environment | 8 | 174 | 376 | 330 |
| 147 | astronomical phenomena | 8 | 174 | 347 | 301 |
| 149 | Plasma chemistry | 5 | 170 | 332 | 262 |
| 149 | Shock Waves | 16 | 170 | 41 | 98 |
| 149 | Cellulose | 6 | 170 | 394 | 503 |
| 152 | Mechatronics | 7 | 169 | 432 | 387 |
| 153 | Nervous system | 3 | 164 | 3153 | 2798 |
| 154 | Neurology | 5 | 162 | 5503 | 5521 |
| 155 | Computer Engineering | 5 | 156 | 637 | 365 |
| 156 | Land Use Planning | 1 | 155 | 726 | 353 |
| 156 | Regional Planning | 1 | 155 | 2923 | 1157 |
| 158 | Computer Science | 2 | 154 | 3275 | 1291 |
| 158 | Flexible manufacturing systems | 4 | 154 | 301 | 258 |
| 160 | Ceramics | 8 | 152 | 1101 | 1173 |
| 161 | innovation | 1 | 144 | 1198 | 736 |
| 161 | research and development | 1 | 144 | 755 | 278 |
| 163 | China | 7 | 143 | 2294 | 2386 |
| 164 | Condensed Matter | 4 | 142 | 3475 | 2787 |
| 164 | biocatalysis | 1 | 142 | 381 | 434 |
| 164 | Homogeneous catalysis | 1 | 142 | 381 | 434 |
| 164 | Heterogeneous catalysis | 1 | 142 | 381 | 434 |
| 168 | Cognitive Science | 4 | 136 | 1546 | 1517 |
| 168 | Energy Harvesting | 3 | 136 | 512 | 693 |
| 170 | Biomass Energy | 3 | 133 | 2904 | 2814 |
| 171 | Product life cycle | 7 | 132 | 162 | 341 |
| 172 | Genetics | 1 | 130 | 7131 | 4971 |
| 172 | gene mapping | 1 | 130 | 4046 | 2690 |
| 172 | DNA polymerases | 1 | 130 | 1011 | 1007 |
| 175 | Electronic Packaging | 14 | 128 | 40 | 107 |
| 176 | biomedicine | 1 | 125 | 2045 | 846 |
| 177 | sports equipment | 19 | 124 | 3 | 5 |
| 178 | particles | 8 | 119 | 548 | 852 |
| 179 | Simulation Methods | 7 | 114 | 619 | 726 |
| 180 | Drug delivery systems | 3 | 113 | 1858 | 1899 |
| 181 | pigments | 1 | 112 | 1520 | 781 |
| 182 | Production Planning | 6 | 111 | 145 | 302 |
| 182 | Production Control | 6 | 111 | 142 | 302 |
| 184 | computable functions | 12 | 108 | 2 | 7 |
| 184 | Cancer | 3 | 108 | 4609 | 4609 |
| 186 | Visual Communication | 2 | 106 | 683 | 298 |
| 186 | Image enhancement | 2 | 106 | 470 | 279 |
| 186 | Communication | 2 | 106 | 2995 | 1714 |
| 189 | Biopharmaceutics | 3 | 105 | 1571 | 1475 |
| 189 | Medical innovations | 1 | 105 | 2251 | 2146 |
| 191 | Ergonomics | 4 | 103 | 1109 | 928 |
| 192 | Microelectronics | 7 | 102 | 1477 | 2107 |
| 193 | environmental protection | 5 | 101 | 3466 | 4289 |
| 194 | movement | 1 | 100 | 711 | 375 |
| 194 | Textile industry | 3 | 100 | 697 | 344 |
| 196 | Flexible electronics | 2 | 97 | 95 | 116 |
| 197 | Botany | 2 | 94 | 5080 | 4447 |
| 198 | Environmental Health | 4 | 91 | 5920 | 6963 |
| 199 | Small Business | 1 | 90 | 1340 | 1117 |
| 200 | Protective coatings | 1 | 89 | 393 | 64 |
| 201 | Computational Fluid Dynamics | 12 | 88 | 266 | 667 |
| 202 | Rock Mechanics | 3 | 87 | 1017 | 995 |
| 202 | Engineering Geology | 3 | 87 | 1618 | 1618 |
| 204 | Agricultural Engineering | 2 | 86 | 751 | 531 |
| 204 | Nanochemistry | 3 | 86 | 1420 | 1273 |
| 204 | Asia | 2 | 86 | 4366 | 2459 |
| 204 | Glass | 6 | 86 | 967 | 1380 |
| 204 | pottery | 6 | 86 | 918 | 1355 |
| 209 | Sustainable Development | 3 | 82 | 2566 | 2654 |
| 209 | radioactive waste | 2 | 82 | 1137 | 1501 |
| 209 | industrial waste | 2 | 82 | 1193 | 1508 |
| 209 | green products | 5 | 82 | 215 | 451 |
| 209 | Hazardous waste | 2 | 82 | 1347 | 1590 |
| 209 | drugs | 1 | 82 | 4383 | 2851 |
| 215 | Naval Architecture | 10 | 81 | 159 | 249 |
| 216 | body temperature | 2 | 78 | 722 | 514 |
| 216 | textile fibers | 3 | 78 | 570 | 351 |
| 218 | Wind power | 2 | 77 | 475 | 324 |
| 219 | Quality Control | 4 | 76 | 1931 | 2251 |
| 220 | Nanostructures | 4 | 74 | 2319 | 2891 |
| 221 | Stem cells | 3 | 73 | 2097 | 2445 |
| 222 | Global Health | 2 | 72 | 1812 | 1189 |
| 222 | Climate change | 2 | 72 | 1532 | 2182 |
| 224 | Computational Complexity | 3 | 69 | 1239 | 917 |
| 225 | Computational Biology | 3 | 68 | 3927 | 3991 |
| 225 | Multimedia Systems | 4 | 68 | 1730 | 1603 |
| 225 | Granular materials | 3 | 68 | 651 | 810 |
| 228 | Industrial Safety | 3 | 66 | 1457 | 1439 |
| 228 | Cognition | 2 | 66 | 2383 | 2241 |
| 230 | Central Asia | 1 | 62 | 579 | 201 |
| 231 | Pollution | 3 | 61 | 6326 | 7705 |
| 232 | Computational Intelligence | 2 | 60 | 1454 | 1001 |
| 233 | Artificial Organs | 5 | 59 | 674 | 818 |
| 234 | Organometallic chemistry | 1 | 58 | 3301 | 2201 |
| 234 | Sound | 9 | 58 | 457 | 684 |
| 234 | Chemical analysis | 1 | 58 | 2295 | 1786 |
| 237 | Medical Microbiology | 1 | 56 | 4532 | 4173 |
| 237 | Diagnostic microbiology | 1 | 56 | 2599 | 2812 |
| 237 | Microscopy | 4 | 56 | 1820 | 1970 |
| 240 | Nanoelectronics | 4 | 54 | 902 | 931 |
| 240 | Semiconductor industry | 4 | 54 | 663 | 748 |
| 242 | Microfabrication | 4 | 53 | 357 | 536 |
| 243 | Meteorology | 1 | 52 | 4214 | 3798 |
| 243 | Environmental Management | 1 | 52 | 5191 | 4794 |
| 243 | atmosphere | 1 | 52 | 1535 | 1308 |
| 246 | Water pollution | 3 | 51 | 3203 | 4247 |
| 247 | Marine Engineering | 9 | 50 | 131 | 205 |
| 247 | Sustainable Design | 2 | 50 | 20 | 22 |
| 247 | locomotion | 1 | 50 | 1407 | 1084 |
| 247 | posture | 1 | 50 | 1407 | 1084 |
| 247 | Cardiovascular system | 1 | 50 | 3011 | 3100 |
| 247 | gait | 1 | 50 | 1407 | 1084 |
| 247 | walking | 1 | 50 | 1407 | 1084 |
| 254 | Educational Technology | 2 | 48 | 2206 | 2055 |
| 254 | sanitation | 1 | 48 | 2894 | 3176 |
| 254 | Muscle contraction | 12 | 48 | 59 | 195 |
| 257 | Quality Management | 1 | 47 | 472 | 210 |
| 258 | winds | 1 | 45 | 301 | 123 |
| 259 | Industrial Design | 9 | 43 | 85 | 424 |
| 259 | Intelligent Control Systems | 2 | 43 | 1665 | 1179 |
| 259 | Brain | 3 | 43 | 3259 | 4285 |
| 262 | Molecules | 3 | 42 | 1834 | 1896 |
| 263 | Nuclear Physics | 5 | 39 | 3898 | 4680 |
| 264 | educational innovations | 1 | 38 | 1074 | 813 |
| 265 | Civil Engineering | 5 | 37 | 1597 | 1927 |
| 265 | Sonochemistry | 1 | 37 | 1226 | 1499 |
| 267 | Intelligent Transportation Systems | 4 | 36 | 710 | 1184 |
| 267 | Systems Analysis | 3 | 36 | 1316 | 1719 |
| 267 | calcification | 1 | 36 | 1171 | 1227 |
| 267 | Detectors | 3 | 36 | 1133 | 1257 |
| 271 | Underwater acoustics | 1 | 35 | 182 | 95 |
| 271 | Aerosols | 3 | 35 | 701 | 983 |
| 271 | Computer Literacy | 2 | 35 | 319 | 438 |
| 274 | Aerospace Engineering | 6 | 34 | 230 | 385 |
| 274 | Economic Geography | 1 | 34 | 752 | 617 |
| 274 | Human Geography | 1 | 34 | 2098 | 1580 |
| 274 | Diagnostic Imaging | 1 | 34 | 4190 | 3457 |
| 274 | Magnetic Materials | 3 | 34 | 1678 | 2170 |
| 274 | Submersibles | 3 | 34 | 9 | 13 |
| 280 | Spectrum analysis | 2 | 33 | 5786 | 6325 |
| 280 | mathematical analysis | 4 | 33 | 2474 | 2577 |
| 282 | Physical Chemistry | 1 | 32 | 3971 | 3647 |
| 282 | Photochemistry | 1 | 32 | 3339 | 3181 |
| 282 | Photobiology | 1 | 32 | 2690 | 2535 |
| 282 | environmental pollution | 2 | 32 | 6015 | 7592 |
| 286 | livestock | 1 | 31 | 1093 | 800 |
| 287 | Telecommunication Systems | 2 | 30 | 2171 | 2204 |
| 287 | Mathematical Physics | 2 | 30 | 4031 | 3534 |
| 287 | Friction | 1 | 30 | 247 | 319 |
| 290 | rehabilitation | 3 | 29 | 2828 | 4129 |
| 291 | Cytology | 2 | 28 | 5980 | 7442 |
| 291 | Cell Biology | 2 | 28 | 5763 | 7295 |
| 291 | infrared radiation | 3 | 28 | 741 | 1029 |
| 291 | Hydraulic machinery | 3 | 28 | 141 | 196 |
| 295 | Earthquake Engineering | 1 | 27 | 2081 | 2154 |
| 295 | Ceramic materials | 1 | 27 | 2455 | 2310 |
| 297 | Pharmacy | 3 | 26 | 2719 | 4121 |
| 297 | biobanks | 1 | 26 | 393 | 323 |
| 297 | United States | 3 | 26 | 7098 | 8866 |
| 300 | Bioinformatics | 2 | 25 | 3141 | 4041 |
| 300 | Solitons | 2 | 25 | 1488 | 1888 |
| 300 | Fractals | 2 | 25 | 1719 | 2052 |
| 300 | Chaos | 2 | 25 | 1488 | 1888 |
| 300 | Ventilation | 4 | 25 | 481 | 1205 |
| 305 | Economic History | 1 | 24 | 6306 | 4780 |
| 305 | economic policy | 1 | 24 | 4522 | 3418 |
| 305 | Calorimetry | 1 | 24 | 2207 | 1991 |
| 305 | Government policy | 1 | 24 | 375 | 438 |
| 305 | Australia | 4 | 24 | 2128 | 3475 |
| 305 | Thermal analysis | 1 | 24 | 2207 | 1991 |
| 311 | Cybernetics | 4 | 23 | 1332 | 2437 |
| 311 | Drug design | 2 | 23 | 2651 | 3583 |
| 311 | Crystallography | 3 | 23 | 2061 | 2139 |
| 311 | Japan | 4 | 23 | 2320 | 3442 |
| 311 | drug evaluation | 2 | 23 | 2069 | 2972 |
| 316 | Electrophoresis | 1 | 22 | 3159 | 3439 |
| 316 | Chromatography | 1 | 22 | 3141 | 3277 |
| 316 | Chromatographic analysis | 1 | 22 | 3573 | 3554 |
| 316 | aerosol | 2 | 22 | 598 | 836 |
| 320 | supercritical fluids | 1 | 21 | 764 | 1002 |
| 321 | Electromagnetism | 1 | 20 | 1462 | 1312 |
| 321 | Total Quality Management | 1 | 20 | 1201 | 1302 |
| 321 | Air Conditioning | 3 | 20 | 206 | 391 |
| 321 | Biomass | 1 | 20 | 1355 | 1923 |
| 321 | Electromagnetic fields | 1 | 20 | 731 | 440 |
| 321 | heating | 3 | 20 | 153 | 343 |
| 327 | Indoor air quality | 2 | 19 | 136 | 215 |
| 327 | India | 1 | 19 | 3750 | 2448 |
| 327 | Fuzzy systems | 2 | 19 | 2419 | 2702 |
| 330 | Viticulture | 3 | 18 | 149 | 320 |
| 330 | Electromagnetic waves | 1 | 18 | 517 | 512 |
| 330 | Telecommunication | 1 | 18 | 4175 | 3595 |
| 330 | computer networks | 1 | 18 | 4159 | 4006 |
| 334 | Geriatrics | 1 | 17 | 5787 | 5756 |
| 334 | Flow Visualization | 6 | 17 | 31 | 38 |
| 334 | Gerontology | 1 | 17 | 3914 | 3753 |
| 334 | older people | 1 | 17 | 3374 | 2951 |
| 334 | Aging | 1 | 17 | 5476 | 5605 |
| 339 | Soil Mechanics | 1 | 16 | 1954 | 2074 |
| 339 | Analytical Biochemistry | 1 | 16 | 3430 | 3938 |
| 339 | radiative transfer | 1 | 16 | 1130 | 1179 |
| 339 | Radiation | 1 | 16 | 4152 | 4239 |
| 339 | Adaptive control systems | 2 | 16 | 808 | 1146 |
| 344 | visualization | 7 | 15 | 1288 | 2300 |
| 345 | Hypertension | 1 | 14 | 3111 | 3820 |
| 345 | Health | 1 | 14 | 4857 | 5576 |
| 345 | weapons | 7 | 14 | 3 | 3 |
| 345 | Armor | 7 | 14 | 3 | 3 |
| 349 | Physical fitness | 1 | 13 | 1990 | 2319 |
| 349 | Iron | 2 | 13 | 603 | 913 |
| 349 | Building | 1 | 13 | 1292 | 1292 |
| 349 | Exercise | 1 | 13 | 2618 | 2744 |
| 353 | Mobile Computing | 1 | 12 | 2283 | 2226 |
| 353 | Information visualization | 4 | 12 | 144 | 464 |
| 353 | Wireless Communication Systems | 1 | 12 | 3456 | 3513 |
| 353 | Molecular dynamics | 1 | 12 | 52 | 73 |
| 353 | Pakistan | 3 | 12 | 451 | 530 |
| 353 | traffic safety | 1 | 12 | 689 | 921 |
| 359 | Ecology | 1 | 11 | 10335 | 12264 |
| 359 | Environmental monitoring | 1 | 11 | 6637 | 8355 |
| 359 | Electrochemical Analysis | 2 | 11 | 2083 | 3167 |
| 359 | Noise | 2 | 11 | 238 | 384 |
| 359 | Zeolites | 1 | 11 | 1657 | 2310 |
| 364 | Nuclear Engineering | 4 | 10 | 1337 | 2365 |
| 364 | Applied Mathematics | 1 | 10 | 1955 | 1525 |
| 364 | Alternative Medicine | 1 | 10 | 3740 | 4757 |
| 364 | complementary therapies | 1 | 10 | 4104 | 5077 |
| 364 | Plasma polymerization | 1 | 10 | 579 | 803 |
| 364 | Culture techniques | 1 | 10 | 696 | 891 |
| 364 | optical devices | 1 | 10 | 998 | 1259 |
| 364 | health planning | 3 | 10 | 2739 | 5160 |
| 372 | Traffic Engineering | 1 | 9 | 805 | 1175 |
| 372 | Nuclear Energy | 3 | 9 | 1391 | 2233 |
| 372 | Highway Engineering | 1 | 9 | 788 | 1022 |
| 372 | Protein folding | 2 | 9 | 125 | 373 |
| 372 | prions | 2 | 9 | 98 | 308 |
| 377 | Structural optimization | 1 | 8 | 721 | 1053 |
| 377 | Fibers | 1 | 8 | 271 | 296 |
| 377 | Information Science | 1 | 8 | 4777 | 5763 |
| 380 | Information Technology | 2 | 7 | 3763 | 5574 |
| 380 | Acoustics | 1 | 7 | 598 | 509 |
| 380 | Technology Assessment | 1 | 7 | 845 | 1578 |
| 380 | Hematopoietic stem cell transplantation | 1 | 7 | 1015 | 1572 |
| 380 | nuclear power | 2 | 7 | 773 | 1064 |
| 380 | Biomolecules | 1 | 7 | 996 | 1622 |
| 380 | biopolymers | 1 | 7 | 2170 | 2932 |
| 387 | Nanobiotechnology | 1 | 6 | 925 | 1669 |
| 387 | Noise control | 2 | 6 | 457 | 215 |
| 387 | Emulsions | 1 | 6 | 832 | 1206 |
| 387 | Soundproofing | 2 | 6 | 154 | 259 |
| 387 | Industrial noise | 2 | 6 | 67 | 117 |
| 392 | Zoology | 1 | 5 | 4492 | 5509 |
| 392 | Statistics | 1 | 5 | 4731 | 5441 |
| 392 | Hydrology | 1 | 5 | 4471 | 5722 |
| 392 | Photography | 2 | 5 | 2709 | 2751 |
| 392 | Waste management | 1 | 5 | 2716 | 3801 |
| 392 | soil conservation | 1 | 5 | 1603 | 2347 |
| 392 | Water Purification | 1 | 5 | 2184 | 3167 |
| 392 | soil pollution | 1 | 5 | 1257 | 1910 |
| 392 | Water quality management | 1 | 5 | 3474 | 4797 |
| 392 | Entropy | 1 | 5 | 2199 | 2938 |
| 392 | Welding | 1 | 5 | 689 | 784 |
| 392 | indoor air pollution | 1 | 5 | 901 | 1599 |
| 392 | environmental exposure | 1 | 5 | 3904 | 5517 |
| 392 | Sick building syndrome | 1 | 5 | 901 | 1599 |
| 406 | Transportation | 1 | 4 | 2964 | 4019 |
| 406 | Arboriculture | 1 | 4 | 158 | 201 |
| 406 | Microprocessors | 1 | 4 | 1149 | 1675 |
| 406 | urban forestry | 1 | 4 | 655 | 1147 |
| 406 | tree planting | 1 | 4 | 61 | 69 |
| 411 | Speech-Language Pathology | 1 | 3 | 627 | 1075 |
| 411 | Systems Theory | 1 | 3 | 1451 | 2149 |
| 411 | Linguistics | 1 | 3 | 2851 | 3172 |
| 411 | Emergency Medical Services | 1 | 3 | 1894 | 2923 |
| 411 | Geometry | 1 | 3 | 2050 | 2296 |
| 411 | Metabolism | 1 | 3 | 5194 | 7049 |
| 411 | Organizational change | 1 | 3 | 1479 | 2313 |
| 411 | Emergency Medicine | 1 | 3 | 3232 | 4381 |
| 411 | Change management | 1 | 3 | 268 | 524 |
| 411 | Biological Systems | 1 | 3 | 1696 | 2671 |
| 411 | Social Systems | 1 | 3 | 585 | 918 |
| 411 | Strategic planning | 1 | 3 | 1500 | 2280 |
| 411 | Nanomanufacturing | 2 | 3 | 170 | 387 |
| 411 | Aviation | 1 | 3 | 243 | 414 |
| 411 | natural products | 1 | 3 | 3153 | 4221 |
| 411 | automatic speech recognition | 1 | 3 | 364 | 690 |
| 411 | Europe | 1 | 3 | 6532 | 8126 |
| 411 | Bones | 1 | 3 | 1864 | 2532 |
| 429 | Evolutionary Genetics | 1 | 2 | 1567 | 2634 |
| 429 | Molecular Epidemiology | 1 | 2 | 1567 | 2634 |
| 429 | Risk assessment | 1 | 2 | 1431 | 2512 |
| 429 | Quantum Optics | 1 | 2 | 1622 | 2237 |
| 429 | disease outbreaks | 1 | 2 | 1248 | 2150 |
| 429 | Atomic spectroscopy | 1 | 2 | 2079 | 2876 |
| 429 | Laser Spectroscopy | 1 | 2 | 1540 | 2148 |
| 429 | Metrology | 1 | 2 | 284 | 545 |
| 437 | Occupational Therapy | 1 | 1 | 2340 | 3471 |
| 437 | Occupational Health | 1 | 1 | 2586 | 3939 |
| 437 | Number Theory | 1 | 1 | 1532 | 2036 |
| 437 | industrial hygiene | 1 | 1 | 2614 | 3952 |
| 437 | Thin Films | 1 | 1 | 1254 | 2037 |
| 437 | Nuclear Facilities | 1 | 1 | 171 | 310 |
| 437 | technical education | 1 | 1 | 1029 | 1797 |
| 437 | mathematical concepts | 1 | 1 | 893 | 1556 |
| 445 | Physical Therapy | 1 | 0 | 2687 | 4091 |
| 445 | Differential Equations | 1 | 0 | 1652 | 2363 |
| 445 | Global warming | 1 | 0 | 354 | 793 |
| 445 | smart structures | 1 | 0 | 276 | 638 |
