Vonzó fiatal diák tudós megfigyelése a kék kijelző szín váltás az üvegcsövet. - Stock fotó és kép

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Young professional chemists in protective glasses and gloves making experiment in lab

Female medical or research scientist or doctor using looking at a test tube of clear solution in a lab or laboratory

Scientists examining in the lab with test tubes.photo with copy space

Male And Female Scientists Using Microscopes In Laboratory

Background image of researchers in the laboratory.science and research.

Young female researcher and her senior supervisor are doing investigations with test tubes.science and health

Closeup.portrait of doctor biologist in the lab.photo with copy space

Test tube in scientist hand in laboratory.science and technology

Close up.two researchers look at the liquid in the test tube.science and health

Background image of researchers in the laboratory.science and research.

Two researchers conduct laboratory studies.photo with copy space