Polystyrene foam. Coloured scanning electron micrograph (SEM) of a section through a block of extruded polystyrene foam,showing the internal closed-cell air spaces. Magnification: x55,when printed 10 centimetres high | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Diller, Stefan |
Bildgröße: | 3543 px × 4960 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |