worker chemist filling pouring test tube with liquid reagent flask Spbd. Closeup. drip liquid in a pipette with measuring numbers. concept chemistry, laboratory. pharmaceutical analysis
A lab technician in glasses at a table dials liquid reagents from a vial into a syringe. Laboratory studies in the clinic.
Woman chemist adding chemical reagent in pure liquid at glass flask. Close up of scientist hands put lab flask on table
crime expert is researching chemical in test tube in chemistry laboratory, portrait of male scientist
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Medium side shot of African American male researcher in white lab coat studying specimen under microscope, adjusting focus, while Asian female colleague is working with reagents in background
Man employee is working with equipment and chemicals in modern pharmaceutical laboratory spbas. Male chemist pours white powder into compartment of metal facilities standing in factory workshop
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Close-up shot of hands of anonymous female laboratory employee in gloves adding pink chemical solution from tube to clear liquid in vial while performing diagnostic test on biochemical probe
Lab testing of milk
A light chemical laboratory with glass bottles
Chemical reaction in flask. Female scientist carrying out scientific research. Scientist woman dropping reagent in glass flask. Lab woman pouring liquid for chemical experiment in laboratory
Woman working with flask in a laboratory
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Close-up shot of hands of anonymous male laboratory technician in gloves and white coat holding glass flask and adding drops of chemical reagent to pink liquid in test vials with pipette
Hand and flask with liquid. Yellow fluid dripping into beaker. Mixture of dangerous reagents. Experiment in a lab.
Scientist hands working with liquid in medical lab. Close up of glassware in doctor hands at medical laboratory. Pharmacist doing medical research. Hands shaking liquid in lab flask. Biotechnology
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Medium low angle footage of Chinese female chemist carefully adding drops of reagent in different concentration to liquid in sample tray, using pipette, while working in laboratory
Lab assistant working with drug samples at pharmaceutical company
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
Close up of scientist adding solution with pipette on smoking blue fluid in test tubes. Chemist in research lab.
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Full high angle shot of Asian female employee of research chemical laboratory working on new synthetic compounds - typing on laptop, then walking over to flasks with liquids and adding reagent
Medical lady worker in gloves puts graduated beaker with transparent liquid in front of camera slow motion. Probe lens footage of research work macro view
Woman working with flasks in a laboratory
Chemical liquid in laboratory close up. Lab petri dishes with various colorful liquids. Scientific researches concept.
Chemist in coverall equipment typing formula on laptop. Scientist doing lab analysis using microscope.
A canister with a dangerous liquid at the plant
Bottles of solutions stored on shelf in laboratory. Bottles with chemical solutions of NaOH, H2so4 and HNO3. Sulfuric acid, sodium hydroxide
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Close-up vertical of hands of unrecognizable laboratory technician in gloves adding pink chemical reagent from tube to liquid in vial while performing in vitro diagnostic assay on biochemical probe
Scientist dropping the reagent into test tube for reaction testing in chemical laboratory
Pipette adding fluid to one of several test tubes
Medical research in virological laboratory. Scientist in protective clothing providing experiments to develop vaccine against COVID-19
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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 tests
Student conducts amusing experiments with teachers in a lab
Russians develop chemical weapons
Chemist hands mixed substance of red color in test tubes. Doctor Pours red Chemicals Into In Flask. Close Up
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Full high angle CCTV camera shot of Asian female employee of research laboratory working alone - typing on laptop, then walking over to table and handling chemical liquids and reagents
Tubes in a laboratory
Young chemist adds reagent to tube in university lab
Female teacher preparing chemical mix in classroom
Intelligent boy in eyeglasses and lab coat with an idea, smiling. Kid handling flasks for experiment. Intelligence, chemistry. Cinema 4k ProRes HQ.
Side view of Caucasian boy mixing multi-colored liquids in flasks. Curly-haired teenage genius in lab coat holding flasks filled with chemical reagents. Intelligence, chemistry. Cinema 4k ProRes HQ.
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Close-up footage of gloved hands of unrecognizable laboratory technician filling long glass bulb pipette with pink chemical reagent, adding to clear liquid in flask, then stirring in circular motion
glass flask with chemicals and dry ice on a dark background. Chemical reaction of blue liquid in raduated cylinder in labolatory
Chemical reaction in flask at chemistry lab. Scientist conducting chemical experiment in chemistry laboratory
Chemist takes material piece covered with white crystals with tongs during researching in laboratory of pharmaceutical plant closeup
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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
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Close-up shot of hands of biochemical laboratory technician in gloves adding drops of chemical reagent to pink fluid in test vials with pipette from glass of blue solution
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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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Medium portrait shot of young Chinese woman in white lab coat, goggles and gloves adding drops of reagent to test vial with long glass pipette, then looking at camera and smiling
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Medium shot of busy Chinese female researcher adding reagent with bulb pipette to test tube, African American male colleague with tablet approaching and sharing result of experiment