Medium Footage Of Chinese Female Scientist In White Coat Goggles Gloves Adding Drops Of Reagent To Chemical Solution In Vial Holding It Up Checking For Reaction Or Residue While Conducting TestsÂ
children's science. children mix chemical reagents and observe the reaction.
Clinical testing. Lab experiment in glass flask. Pouring blue reagent in pure solution. Closeup of chemical reaction in lab flask. Laboratory research. Lab research in lab flask. Chemical analysis
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Medium vertical shot of young Chinese female diagnostic laboratory worker in goggles, white coat and gloves holding up flask with solution, stirring, checking for residue, while performing tests
Laboratory assistant scientist laboratory tests chemicals for reactions in flask
Scientist dropping the reagent into test tube for reaction testing in chemical laboratory
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Medium shot of young Chinese female researcher standing at table with retort on stand in laboratory, looking at purple solution, observing chemical reaction and filling out checklist on clipboard
funny children conduct a chemical experiment and mix reagents. kids are surprised and happy watching the chemical reaction
Laboratory assistant scientist laboratory tests chemicals for reactions in flask. Close up
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Medium close-up tilting footage of busy Chinese female laboratory worker in safety goggles, white coat, gloves adding reagent to vial then carefully pouring solution into test tube during experiment
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Close-up rack focus shot of young Chinese female researcher in goggles, white coat and gloves holding up glass vial with blue chemical solution, examining visual properties
Zoom in selective focus shot of male scientist pouring reagent into transparent substance and examining chemical reaction in glass cylinder while conducting research in laboratory
Scientist working with chemical reaction in chemistry lab. Chemical reaction in glass flask.