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Ethylene Glycol in container, chemical analysis in laboratory, chemical raw materials in industry

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Empty chemistry laboratory of middle school in China

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chemical in glass, chemical in the laboratory and industry, Chemicals used in the analysis

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Chemistry backgrounds

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Three chemistry laboratory researchers, a young man and two young women, dressed in lab coats and safety goggles. They look at a clamped Erlenmeyer conical flask as they work on an experiment.

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$A molecular model of Trimethylglycine, also known as Betaine. A byproduct of processing sugar beets and used as a dietary supplement.\nIsolated on black.$

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Cefazolin, cefazoline, cephazolin molecule. It is s beta-lactam antibiotic, first-generation cephalosporin. Molecular model. 3D rendering. 3D illustration

Three chemistry laboratory researchers, a young man and two young women, dressed in lab coats and safety goggles. They look at a clamped Erlenmeyer conical flask as they work on an experiment.

Free Images: "bestof:Bardwell Study of Nitrogen Fixation.tif Photograph unknown en D C Bardwell inspecting the mechanism for a study of nitrogen fixation by alpha rays completed at"

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