Fly ash in concrete. Scanning electron microscope of a conglomeration of spherical particles of fly ash in the cement matrix of a concrete sample | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Landmann, Patrick |
Bildgröße: | 5058 px × 3461 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |