Extreme no people macro of drop of saliva with air bubbles being rotated on specimen table under microscope in laboratory in clockwise motion, on black background
Rotating liquid in laboratory. Chemical experiment with substance in flask. Professional chemical lab
Ecologist sampling water of toxic chemicals from river checking list and write to clipboard paper
Science or medical lab research test in the laboratory. Stock footage. Mixture in a flask.
man drops light brown liquid into plastic measuring spoon from pipette on black background extreme close view
Slow motion macro of micro particles molecules in a liquid are analyzed with microscope for bioche
Portrait of Chinese male scientist is analyzing a liquid to extract the DNA and molecules in the test tubes in laboratory.
Professional black male scientist biologist in protective workwear analyzing biohazard danger and controlling environmental contamination, sampling polluted mountain river water into test tube.
Rotating liquid in glass flask in laboratory. Stock footage. Chemical experiment with substance in Professional lab
Electrochemistry: time-lapse of colloidal silver generationtl_chem_02_left_1080p_25fps_15s_90q_rgb.mov
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Wide shot of two environmental experts wearing full protective suits collecting water samples on sandy shoreline at daytime
Chemist in ppe looking at flask with solution, water analysis from swamp, wearing protective suit and medical gloves, sample for toxicity testing. Scientific researching, field laboratory concept.
Scientist filling a glass bottle in a lab
Crop male goldsmith cleaning silver in ultrasound with water
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Closeup shot of unrecognizable biochemist in protective suit collecting soil samples at industrial waterfront and putting them into briefcase while conducting research with colleague
Professional charming asian biologist woman with digital tablet in protective suit, mask and gloves working on water analysis, examining test tubes with samples of polluted water on mountain river.
Tilt up shot of woman in white coat and protective gloves testing water in PET bottle at beverage factory before delivery
Dropping of blue liquid in test tube with glass dropper
Close Up Blood In Clear Liquid And White Background
Two ecologists in protective coverall suits and respiratory masks collecting samples of lake water in polluted area into test tube
Ecologist taking sample of contaminated water with dangerous toxins into tubes. Scientist in protective wear analyzing toxic water from industrial waste pipe. Environmental pollution.
Stirring a fizzy solution with bubbles after dissolving a pharmaceutical effervescent tablet
Slowmo close up of unrecognizable ecologist in protective coverall and gloves taking sample of water in polluted river or lake with test tube
Lab Assistant Dispenses Liquid into Measuring Cup - Close-Up Shot
Anticeptic hand gel close-up. Liquid soap texture on grey background. Skincare cream, beauty product sample. Antibacterial washing, cosmetics.
A specialist girl checks the grape fields, holds a pipette, a flask with water, takes a test for t
Ecologist sampling water from the river with test tube, Biologist wear protective suit and mask collects sample of waste water from industrial, problem environment, scientist environmentalist
Liquid with flakes mixing with a blender in laboratory
Student guy with white gloves drops dark blue liquid into beaker with clear water doing research in medical college laboratory close view
Young Asian scientist tasting liquid from flask in medical laboratory
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Black male ecologist wearing protective suit and rubber boots opening suitcase with lab tools at waterfront and picking up water sample in test tube for expertise
person drops brown liquid from glass pipette onto palm in black background extreme close view
Portrait of worried black male biologist in protective suit, mask and gloves testing quality of mountain river water, analyzing water sample into test tube during research in contaminated environment.
The chinese writing brush and ink. Brush and ink. Traditional accessories for calligraphic writing in Chinese
Colorful Acrylic Ink in Water Isolated on White. Closeup of vibrant acrylic ink in water.
Cropped low section shot of team of ecologists wearing protective coveralls and rubber boots walking together along coastline with biohazard sign in polluted area
Slowmo shot of female scientist in protective coverall taking sample of water from polluted river into test tube while examining consequences of eco catastrophe
Anticeptic hand gel close-up. Liquid soap texture on white background. Skincare cream, beauty product sample. Antibacterial washing, cosmetics.
Two ecologists wearing protective coveralls and respiratory masks collecting samples of lake water in polluted area with warning biohazard sign
Slow motion macro of micro particles molecules in a liquid are analyzed with microscope for bioche
Water purification test. Drop blue liquid in test tube with clean water. Scientist doing chemical experiment
Close-up of environmentalist hand in process of taking sample of water into test tube from polluted mountain river, while diverse multicultural scientists working for environmental conservation.
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From above shot of unrecognizable biochemist wearing white protective gear and black nitrile gloves putting samples and test material into his briefcase while investigating industrial waterfront
Female ecologist wearing protective coverall, respiratory mask, gloves and rubber boots collecting water sample into test tube while examining polluted gulf
Medium close-up of female ecology expert in mask, goggles, yellow jacket holding up tube with water specimen, checking transparency and residue, during field trip for environmental research
Close up of male hands collecting water samples from natural water stream.
A scientist adds some water into an erlenmeyer flask