Light micrograph of picolinic acid crystals from aqueous solution. Polarizing variable asymmetrical contrast. Hfw = 1.3mm. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / SCIENCE SOURCE / M. I. Walker |
Taille de l’image : | 5166 px × 3444 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |