Gros plan vue partielle d'un scientifique faisant des expériences avec de la glace carbonique en laboratoire chimique - Photo & image de stock

Cleaning service. Young man in workwear and rubber gloves cleans the office chair with professional equipment vacuum. dry cleaning

Laboratory technician performs an experiment with liquid nitrogen in laboratory mortar with pestle and ladle spoon

Close-up partial view of scientist making experiment with dry ice in chemical laboratory

Laboratory technician performs an experiment with liquid nitrogen in laboratory mortar with pestle and ladle spoon

Chemist performs an experiment with liquid nitrogen in laboratory mortar with pestle

Chemical reaction with the release of a large amount of gas. Hand with a flask. Closeup. Selective focus.

Chemist performs an experiment with liquid nitrogen in laboratory mortar with pestle

Cropped shot of colleagues in white coats working with reagent in chemical lab

Young female scientist in eyeglasses holding flask while making experiment in chemical lab

Close-up partial view of scientists making experiment with reagent and flasks

Close-up partial view of scientists making experiment with reagent and flasks

Cropped shot of chemists in white coats working with reagent in flask at laboratory

Cropped shot of scientist working with pipette and reagent while making experiment in lab

Young professional scientist in sterile mask, pouring reagent into jar in laboratory

Cropped shot of chemist making experiment with test tubes and flasks in chemical lab