Filter. Coloured scanning electron micrograph (SEM) showing the interwoven fibres of a 50 nanometre filter. Magnification: x250 when printed 10 cm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sykora, Viktor |
Taille de l’image : | 4843 px × 3631 px |
Model Release : | Non requis |
Restrictions : | - |