Πορτρέτο του χαμογελώντας επιστήμονας εκμετάλλευση μπουκάλια με αντιδραστήρια στα χέρια στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Portrait of smiling scientist with hands on table looking at camera in laboratory

Portrait of tired senior scientist sitting at workplace and looking at camera

Scientist using microscope while colleague holding reagent in tube in lab

Scientific researcher. Portrait of a smart handsome scientific researcher standing in the lab

Senior male researcher carrying out scientific research in a lab (shallow DOF; color toned image)

Grey haired scientist sitting and looking at camera while woman working at laboratory

Portrait of smiling scientist working with reagent in flask 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

Smiling chemist in white coat holding test tubes with reagents and making experiment

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

Scientist looking at camera and holding tubes with reagents at laboratory

Pensive scientist in lab coat looking at tube at laboratory

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

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