| http://www.w3.org/ns/prov#value | - Specifically, if an electron beam diffraction ED, in which the diameter of the beam is generally scores of nanometers, is applied to a sample to be measured, a spot-like diffraction image is obtained in the case where the sample is a single crystal, and a ring-like diffraction image (polycrystalline ring) is obtained in the case where the sample is polycrystalline.
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