Chemist mixing chemicals in test tube, super slow motion, shot at 240fps
A hand with blue medical gloves mixing some chemicals in a test tube
실험실에서 과학자 진동 및 테스트 튜브에 빨간색 일부 화학 물질을 혼합
Close up shot of a hand holding and mixing two test tubes with red and blue chemicals in it
젊은 과학자 들고 혼합과 빨간색 핑크 콘텐츠 테스트 튜브를 찾고 ...
잡고 그것을 몇 가지 화학 물질이 시험관에서 찾고 젊은 과학자
Scientist dropping chemical liquid in test tubes. Close up of scientist hands working with chemical reagents in laboratory glassware. Researcher put liquids in test tubes on table. Chemical research
Lab flask in scientist hand. Female scientist hands mixing blue liquid in glass flask. Laboratory testing. Science laboratory research. Close up of lab worker holding test tube with liquid
Mixing of alkali and phenolphthalein solution, chemical reaction. The test tube is close-up
Young woman in special uniform holding test tube and watching chemical reaction
Medical clinic. Nurse holding an test tube with blood sample. Close up
Medical clinic. Nurse holding an test tube filled with blood. Close up
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