Chimiste barbu concentré dans des lunettes avec des réactifs dans des tubes en laboratoire - Photo & image de stock

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Bearded chemist in goggles with reagents in tubes and microscope in laboratory

Bearded chemist in goggles with reagents in tubes and microscope in laboratory

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Chemical experiment. Nice positive serious man wearing protective glasses and holding a test tube while doing a chemical experiment

Bearded chemist in goggles with reagents in tubes and microscope in laboratory

Professional chemist. Smart nice male researcher wearing a mask and protective glasses while conducting chemical experiment in the lab

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Adorable little girl in goggles with reagents in tubes in laboratory

Portrait of focused scientist using microscope while working with reagents in lab

Two confident scientists in white coats and goggles looking away and posing in chemical laboratory

Professional chemists in white coats working with microscopes in laboratory and looking at camera

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

Adorable little girl in goggles with reagents in tubes in laboratory

Smiling bearded scientist in protective goggles and gloves holding test tubes with reagents and making experiment