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test tubes
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(ผลลัพธ์โดยรวม: 115)
 "Close up HD video of rotating test tubes filled with biofuel")
 "A pipette drips blue chemicals into a test tube")
 "fluid filtration in the laboratory experiment")
 "Laboratory")
 "Testing biologically active additives for food products")
 "Electronic circuit testing")
 "scientist and test tube in lab selective focus")
 "Close up HD video of scientist putting drops of chemical into test tube")
 "Samples of genetically modified wheat are put into test tubes")
 "Colourful chemical reaction in test tube")
 "Single-blind food test")
 "Green plant in genetics laboratory")
 "Biofuel in Laboratory")
 "blood tests in a medical laboratory")
 "Close up HD video of scientist dripping biofuel into test tube selective focus")
 "The girl doctor marks the medical samples in test tubes")
 "Heating laboratory Test Tube")
 "Blood sample in micro tubes")
 "Water Samples In Tubes Rotating In Laboratory")
 "taking blood - Stock Video. taking blood tests in a research laboratory. Part 1.")
 "GMO plant genetics laboratory")
 "Testing biologically active additives for food products")
 "Colour Change Reaction")
 "Close up HD video of test tubes filled with green chemicals rotating slowly")
 "Chemical setup for distillation")
 "Chemical setup for distillation")
 "Chemical setup for distillation")
 "Tubes used in a laboratory to store tissue samples")
 "Patient taking blood")
 "Chemist with clipboard and test tube")
 "Electronic circuit testing")
 "Experiments on laboratory mice")
 "blood tests in a medical laboratory")
 "Scientist pouring biofuel in a lab")
 "Biofuel in testubes")
 "Centrifuge spinning vials of liquid samples - Stock Video. A centrifuge spins")
 "Extreme close up of biofuel mixing in laboratory beaker, shot in HD video")
 "Blood sample in microtubes")
 "Centrifuge test tubes in sample tray")
 "Testing the solubility of medicines")
 "Distillation in a laboratory")
 "Fizzing chemical reaction")
 "Chemical reaction bubbling over")
 "Taking a biological sample from a test tube")
 "Mixing solution in a laboratory")
 "Mixing solution in a laboratory")
 "haricot plant in the test tube")
 "Scientific research: professionals checking a pattern of land")
 "laboratory assistant takes a biological sample from the refrigerator")
 "blood donors in medicine laboratory at donation")