Sulphur crystals,polarised light micrograph. Sulphur is a nonmetallic element widely distributed in nature. It is a component of some amino acids,and is thus found in most proteins | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Pasieka, Alfred |
Taille de l’image : | 4192 px × 3339 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |