Πορτρέτο του χαμογελώντας επιστήμονες σε στολές κρατώντας εργαστήριο σωλήνες - Φωτογραφίες & Εικόνες Αρχείου

Scientists at chemical laboratory during work

Portrait of concentrated scientists looking at microscope slide in lab

Professional chemists in white coats inspecting test tubes with reagents in lab

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

Scientists at chemical laboratory during work

Successful project. Cheerful positive nice biologists standing together in the lab and smiling while being happy about their successful project

Scientists at chemical laboratory during work

Portrait of smiling scientists writing in notepad in lab

Concentrated man teacher and girl student scientists working with molecular model in lab

Portrait of concentrated woman scientist working in lab

Portrait of focused man scientist in protective glasses writing in notepad

Woman teacher and girl student scientists pouring dust into tube with liquid in lab

Portrait of smiling scientist in white coat and protective glasses in lab

Man scientist in white coat working with microscope in lab

Man teacher and girl student scientists in protective glasses making experiment in lab

Teacher and student scientists in protective glasses working in chemical lab