URL：https://www.researchgate.net/publication/346017611/figure/fig8/AS:11431281186714808@1694005988304/Photograph-of-dye-absorption-by-hydrogel-A1-A2-11-a-RB-and-b-MO-Photograph-of.tif
掲載元：https://www.researchgate.net/figure/Photograph-of-dye-absorption-by-hydrogel-A1-A2-11-a-RB-and-b-MO-Photograph-of_fig8_346017611
