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Drugs and diseases reference index

Definition of «Scanning electron microscope»

Scanning electron microscopeScanning electron microscope

Scanning electron microscope: Abbreviated SEM. A microscope in which a finely focused beam of electrons is scanned across a specimen, and the electron intensity variations are used to construct an image of the specimen. This type of microscope can effectively achieve magnifications from 200 to 35,000 times.

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