Cooling laboratory samples. Three sample tubes being cooled in pellets of dry ice (frozen carbon dioxide),maintaining a temperature of minus 78.5 degrees Celsius | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Dunkley, Dan |
Bildgröße: | 3632 px × 2417 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |