| student | 1177 | 26 | 46.88 | 0.006891 | 2007.01271,2007.02251,etc |
| droplet | 758 | 26 | 30.2 | 0.00624 | 2007.01727,2007.01924,etc |
| agent | 985 | 31 | 32.733 | 0.005055 | 2007.00432,2007.00509,etc |
| ray | 143 | 11 | 14.0 | 0.004084 | 2007.01683,2007.02750,etc |
| life | 151 | 11 | 14.7 | 0.003971 | 2007.00618,2007.03597,etc |
| pore | 215 | 12 | 19.273 | 0.00386 | 2007.01328,2007.02605,etc |
| lockdown | 442 | 21 | 21.85 | 0.003462 | 2007.00755,2007.01583,etc |
| curvature | 170 | 24 | 7.043 | 0.003324 | 2007.01727,2007.01861,etc |
| bubble | 357 | 21 | 16.15 | 0.003248 | 2007.00727,2007.02897,etc |
| entanglement | 152 | 12 | 12.818 | 0.003203 | 2007.03371,2007.09064,etc |
| orbit | 233 | 22 | 10.762 | 0.003188 | 2007.02584,2007.04075,etc |
| country | 870 | 50 | 17.469 | 0.00316 | 2007.01583,2007.02000,etc |
| node | 2578 | 135 | 19.09 | 0.003155 | 2007.00124,2007.00129,etc |
| bunch | 155 | 12 | 11.545 | 0.003076 | 2007.00771,2007.04075,etc |
| particle | 3625 | 215 | 16.799 | 0.002997 | 2007.00124,2007.00129,etc |
| community | 278 | 24 | 11.652 | 0.002964 | 2007.00601,2007.01271,etc |
| drop | 137 | 15 | 9.571 | 0.002912 | 2007.00755,2007.01924,etc |
| inclusion | 234 | 22 | 10.905 | 0.002911 | 2007.00635,2007.02733,etc |
| ion | 1144 | 87 | 13.174 | 0.002822 | 2007.00309,2007.00614,etc |
| topic | 320 | 17 | 11.438 | 0.002815 | 2007.00601,2007.01656,etc |
| network | 2295 | 149 | 15.48 | 0.002801 | 2007.00124,2007.00129,etc |
| defect | 217 | 20 | 10.526 | 0.002781 | 2007.00086,2007.00614,etc |
| membrane | 249 | 17 | 15.375 | 0.002763 | 2007.04922,2007.05784,etc |
| disk | 117 | 15 | 8.143 | 0.002634 | 2007.03597,2007.05713,etc |
| item | 750 | 89 | 8.455 | 0.002625 | 2007.00124,2007.00608,etc |
| film | 230 | 18 | 12.941 | 0.002603 | 2007.00087,2007.00819,etc |
| band | 483 | 38 | 12.811 | 0.002585 | 2007.00352,2007.00371,etc |
| cluster | 1005 | 62 | 15.279 | 0.002575 | 2007.00432,2007.00470,etc |
| planet | 293 | 13 | 23.833 | 0.002568 | 2007.01032,2007.02477,etc |
| fiber | 202 | 17 | 12.438 | 0.002514 | 2007.03921,2007.03958,etc |
| patch | 178 | 12 | 15.455 | 0.002491 | 2007.00618,2007.09687,etc |
| gain | 405 | 48 | 8.17 | 0.002477 | 2007.00615,2007.01674,etc |
| capacitor | 78 | 13 | 5.333 | 0.002477 | 2007.00615,2007.01999,etc |
| city | 370 | 26 | 13.36 | 0.00245 | 2007.00648,2007.00755,etc |
| vehicle | 165 | 11 | 10.8 | 0.002425 | 2007.00648,2007.00755,etc |
| strain | 219 | 25 | 8.875 | 0.002392 | 2007.02154,2007.03287,etc |
| loop | 259 | 21 | 9.7 | 0.00236 | 2007.01088,2007.01706,etc |
| disorder | 181 | 14 | 12.923 | 0.002348 | 2007.07601,2007.11107,etc |
| electron | 2087 | 171 | 12.253 | 0.002344 | 2007.00521,2007.00608,etc |
| crystal | 324 | 35 | 8.441 | 0.002316 | 2007.00614,2007.01226,etc |
| soliton | 212 | 13 | 15.25 | 0.002302 | 2007.05909,2007.10741,etc |
| segment | 166 | 19 | 8.667 | 0.00228 | 2007.00648,2007.01032,etc |
| nm | 338 | 49 | 6.958 | 0.002261 | 2007.00618,2007.01662,etc |
| sphere | 410 | 48 | 8.638 | 0.002254 | 2007.01328,2007.01943,etc |
| opinion | 224 | 11 | 20.2 | 0.002249 | 2007.00432,2007.00601,etc |
| failure | 147 | 13 | 11.917 | 0.002241 | 2007.02109,2007.02601,etc |
| molecule | 1325 | 100 | 13.343 | 0.002237 | 2007.00261,2007.00309,etc |
| architecture | 90 | 19 | 4.833 | 0.002231 | 2007.00149,2007.00936,etc |
| aberration | 199 | 11 | 18.6 | 0.00223 | 2007.04135,2007.04682,etc |
| lens | 198 | 19 | 10.778 | 0.002211 | 2007.04135,2007.04682,etc |
| color | 205 | 16 | 10.333 | 0.002194 | 2007.00601,2007.01361,etc |
| conductivity | 165 | 17 | 10.062 | 0.002191 | 2007.00087,2007.00614,etc |
| decision | 86 | 13 | 6.833 | 0.002156 | 2007.04210,2007.05185,etc |
| spacecraft | 181 | 12 | 15.818 | 0.002155 | 2007.01699,2007.04551,etc |
| module | 131 | 13 | 10.417 | 0.002149 | 2007.03719,2007.04898,etc |
| probe | 321 | 38 | 8.568 | 0.002142 | 2007.00087,2007.00407,etc |
| cylinder | 345 | 34 | 10.333 | 0.002122 | 2007.00249,2007.00936,etc |
| link | 340 | 44 | 7.837 | 0.00212 | 2007.00124,2007.00129,etc |
| jump | 100 | 13 | 8.083 | 0.002119 | 2007.01656,2007.03791,etc |
| observer | 315 | 17 | 19.312 | 0.00211 | 2007.02004,2007.02477,etc |
| block | 254 | 34 | 7.152 | 0.002098 | 2007.02004,2007.02143,etc |
| impurity | 209 | 11 | 20.0 | 0.002096 | 2007.00309,2007.00819,etc |
| neighbor | 152 | 25 | 6.125 | 0.002091 | 2007.02097,2007.03097,etc |
| magnetization | 172 | 18 | 9.941 | 0.002084 | 2007.01075,2007.01611,etc |
| harmonics | 142 | 16 | 8.933 | 0.002067 | 2007.03077,2007.03944,etc |
| box | 133 | 18 | 7.647 | 0.00203 | 2007.01608,2007.03083,etc |
| metasurface | 175 | 11 | 16.5 | 0.002029 | 2007.03160,2007.05142,etc |
| vortices | 201 | 18 | 11.471 | 0.002019 | 2007.03628,2007.05766,etc |
| regime | 804 | 115 | 7.018 | 0.002013 | 2007.00309,2007.00601,etc |
| cavity | 594 | 52 | 11.255 | 0.002006 | 2007.01433,2007.01943,etc |
| mode | 1784 | 173 | 10.326 | 0.001978 | 2007.00249,2007.00371,etc |
| jet | 220 | 22 | 10.286 | 0.001959 | 2007.00626,2007.01943,etc |
| plasma | 874 | 75 | 11.662 | 0.001956 | 2007.00614,2007.01098,etc |
| device | 666 | 76 | 8.787 | 0.00193 | 2007.00955,2007.01256,etc |
| wall | 665 | 58 | 11.614 | 0.001901 | 2007.00509,2007.00626,etc |
| star | 334 | 21 | 16.55 | 0.001897 | 2007.02477,2007.03097,etc |
| cost | 342 | 41 | 8.475 | 0.001891 | 2007.00432,2007.00728,etc |
| filament | 293 | 12 | 25.636 | 0.001885 | 2007.03084,2007.03791,etc |
| histogram | 126 | 18 | 7.235 | 0.001883 | 2007.02820,2007.03597,etc |
| atom | 1313 | 133 | 9.735 | 0.00188 | 2007.00309,2007.00407,etc |
| beam | 1207 | 98 | 12.124 | 0.001879 | 2007.00495,2007.00521,etc |
| cell | 991 | 91 | 10.311 | 0.001876 | 2007.00317,2007.00495,etc |
| wave | 1160 | 116 | 10.052 | 0.001874 | 2007.00249,2007.00371,etc |
| flow | 1883 | 159 | 11.854 | 0.001863 | 2007.00249,2007.00509,etc |
| resonance | 583 | 71 | 8.243 | 0.001863 | 2007.00352,2007.00495,etc |
| state | 3934 | 372 | 10.563 | 0.00186 | 2007.00086,2007.00129,etc |
| interferometer | 113 | 13 | 8.917 | 0.001819 | 2007.04014,2007.05007,etc |
| death | 433 | 36 | 12.0 | 0.001811 | 2007.00755,2007.04210,etc |
| ionization | 120 | 20 | 6.0 | 0.001799 | 2007.00521,2007.01606,etc |
| ring | 276 | 30 | 9.414 | 0.001792 | 2007.02004,2007.02750,etc |
| detector | 854 | 81 | 10.613 | 0.001786 | 2007.00608,2007.00771,etc |
| model | 6945 | 587 | 11.834 | 0.001777 | 2007.00124,2007.00149,etc |
| reconnection | 155 | 13 | 12.0 | 0.001771 | 2007.00607,2007.04529,etc |
| reaction | 388 | 33 | 12.031 | 0.001766 | 2007.00261,2007.00618,etc |
| symmetry | 597 | 84 | 7.145 | 0.001757 | 2007.00129,2007.00831,etc |
| proton | 253 | 36 | 7.143 | 0.001757 | 2007.00408,2007.00620,etc |
| resonator | 270 | 28 | 9.444 | 0.001748 | 2007.01706,2007.03044,etc |
| viscosity | 394 | 40 | 10.026 | 0.00173 | 2007.00499,2007.00618,etc |
| outbreak | 265 | 32 | 8.452 | 0.001721 | 2007.03287,2007.04827,etc |
| memory | 163 | 18 | 9.059 | 0.001708 | 2007.01088,2007.03143,etc |
|