Mężczyzna nauczyciel i dziewczyna student naukowcom Dokonywanie eksperyment w laboratorium chemicznym - Zdjęcie stockowe & obraz

Young man scientist in eyeglasses and white coat examining test tube in laboratory

Professional chemists in white coats inspecting test tube with reagent in lab

Side view of concentrated woman scientist working with microscope in laboratory

Side view of concentrated scientists examining laboratory tube

Concentrated scientist in eyeglasses working with test tubes in lab

Portrait of cheerful scientist showing laboratory tubes and looking to camera

Smiling scientist holding molecular model in laboratory, focus on foreground

Side view of concentrated scientist working with microscope