Nuori kemisti, joka työskentelee laboratoriossa. Kemisti syntetisoi ainetta. Tutkija tutkii sinistä kemiallista liuosta pullossa. - Kuvapankin valokuva ja kuva

A young male chemist wearing protective glasses and gloves examines a blue chemical solution in a flask in a research laboratory.

A scientist studies a chemical substance in a flask in a research laboratory. Chemist. Virologist. Microbiologist.

A young beautiful woman chemist conducts a scientific study of a yellow solution in the laboratory. Chemist in the lab in a Bathrobe and goggles with a solution in a flask.

Portrait of a scientist in close-up, with a test tube in his hands between chemical flasks with colored solutions.

A female Chemist with a test tube and flasks in the laboratory. The chemist studies the blue solution in a test tube.

Portrait of a female chemist holding a conical flask with a blue liquid in front of her eyes. Research in the laboratory.

A chemistry teacher conducts a demonstration experiment with copper sulfate for his students in the school laboratory. Chemistry lesson. .The process of teaching chemistry students.

A female chemist examines the contents in a test tube. Work in a modern scientific laboratory.

Close-up portrait of a female scientist in protective glasses and gloves with a test tube in her hands. Test tube analysis. Research in the laboratory.

A female scientist conducts research using a microscope in the laboratory. Medical technology in health care. The concept of pharmaceutical research and vaccine development.