Химическая лаборатория старшего химика или исследователя - Стоковое фото и изображение

Attentive mature scientist dripping reagent into a test tube

Senior male researcher looking at test tubes

Mature male scientist examining liquid in erlenmeyer flask

Portrait mature man holding test tube at laboratory

Happy mature lab man pouring fluids in pipettes

Lab man pouring fluids

Mature engineer working in laboratory

A senior scientist examining test-tube

Mature man mixing chemical liquids

Scientist looking at a test tube

Smiling man scientist in eyeglasses holding molecular model in lab

Scientist documenting the observation

Young male scientist doing experiments in laboratory

Team of doctors discuss

Doctor checking medical laryngoscope in emergency room

Portrait man of mature scientist holding magnifying glass

Scientist looking at test tube through a magnifying glass

Male researcher holding a test tube

Two specialist studying a file