Vousatý chemik v brýle činidla v tubách a mikroskopem v laboratoři - Stock fotografie a obrázky

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

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 tablet in laboratory

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Bearded chemist in goggles with reagents in tubes and tablet 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

Portrait of focused scientist looking at hand through magnifying glass in laboratory

Concentrated senior bearded scientist in white coat writing in clipboard on tanle with flasks in chemical laboratory

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

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

Scientist using microscope while colleague holding reagent in tube in lab

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

Adorable little girl in goggles with reagents in tubes in laboratory

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

Pensive senior bearded scientist in white coat looking at tube with reagent in chemical laboratory