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Hand pours yellow liquid into test tube. Conveyor line for the production of household cleaning products concept
Details: hands of chemist scientist laboratory technician using a graduated pipette, titrates the reagent into test tubes, making analizes in a medical laboratory. Science, clinical research, trials
Close-up view of Electric Magnetic stirrer equipment to stirr solutions in chemical or pharma laboratory
A chemist tests for water quality. Focus on beaker.
Oil in water emulsions, Oil mixing in liquid phase, Science laboratory, Chemical substance in cylinder, Medical formulating and cosmetic research.
Hands of a scientist wearing protective gloves open/close a cell culture flask.
Red, pink, yellow and blue liquids inside glassware and transparent platforms on a green-blue gradient background. Lab space for advertising.
Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment
Laboratory Technician, Laboratory, Pharmacy, University
Female scientist in uniform and gloves pouring chemical solution into test tubes while working in lab doing research.
Scientist holding conical flask with transparent liquid in laboratory, closeup
Medical technicians working on bacterial culture and drug resistance of pathogens in the laboratory
Measuring test tubes with different liquid for experiences
Translucent effect of wavy striped glass wall
A lot of glass test tubes with color liquids Chemical research. in the laboratory room.
Scientist putting liquid sample container into specimen holder of laboratory spectroscopy for analyzing sample characteristics, scientist setting up experiment for research and education in university
Close up of unrecognizable chemist examining blue liquid on glass as medical sample in laboratory.
Plastic products for biotechnology and life science research: microcentrifuge-tubes, spin columns for nucleic acid purification, pipettes, and colorful racks on the bench. Brazil.
Color reagents in test tubes and flasks are on the table. Study chemistry. Natural Sciences. Desk. Classroom. Laboratory at the university. Biolaboratory. Science.
Water Purity Test. Chemical flask with water, lake or river in the background.
Abstract background Optical - 3d rendered image of glass structure, optical technology, nano electrical wave, dispersion colorful rainbow.  Futuristic energy concept. Science fiction or information technology concept.
A row of test tubes with different colored liquids in them. The tubes are arranged in a row and are labeled with numbers. The colors of the liquids are red, yellow, green, blue, and purple
Female science teacher preparing an experiment in laboratory classroom. She is in her thirties and is from middle-east. This is part of a series promoting diversity and equity in STEM. Horizontal waist up indoors shot with copy space. Focus on the preparation. This was taken in Montreal, Quebec, Canada.
An assortment of various lenses, mirrors, and prisms
pharmaceutical and medical subjects
chlorine solution in glass, Chlorine is used to kill bacteria or to perform experiment in laboratory
Close up on a few bottles and test tubes seen in a clean room during laboratory research in a pharmaceutical industry.
Digital analytical balance
Child of high school school age in school uniform; He is exploring with experimental cubes in the school's laboratory.
Free Images: "bestof:Fresnel Diffraction experiment DSCN3794.JPG en Setting up apparatus to obtain experimental results from the Fresnel single slit diffraction experiment own Luiz"
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