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  2. Extended X-ray absorption fine structure - Wikipedia

    en.wikipedia.org/wiki/Extended_X-ray_absorption...

    When the incident x-ray energy matches the binding energy of an electron of an atom within the sample, the number of x-rays absorbed by the sample increases dramatically, causing a drop in the transmitted x-ray intensity. This results in an absorption edge.

  3. Flack parameter - Wikipedia

    en.wikipedia.org/wiki/Flack_parameter

    There are several ways to determine the absolute structure by X-ray crystallography. For example, a comparison of the intensities of Bijvoet pairs or of the R-factors for the two possible structures can suggest the correct absolute structure. One of the more powerful and simple approaches is using the Flack parameter, because this single ...

  4. Atomic form factor - Wikipedia

    en.wikipedia.org/wiki/Atomic_form_factor

    Since these orbitals are typically of a comparable size to the wavelength of the free neutrons, the resulting form factor resembles that of the X-ray form factor. However, this neutron-magnetic scattering is only from the outer electrons, rather than being heavily weighted by the core electrons, which is the case for X-ray scattering.

  5. F-factor (conversion factor) - Wikipedia

    en.wikipedia.org/wiki/F-factor_(conversion_factor)

    The two determinants of the F-factor are the effective atomic number (Z) of the material and the type of ionizing radiation being considered. Since the effective Z of air and soft tissue is approximately the same, the F-factor is approximately 1 for many x-ray imaging applications. However, bone has an F-factor of up to 4, due to its higher ...

  6. Volume rendering - Wikipedia

    en.wikipedia.org/wiki/Volume_rendering

    Multiple X-ray tomographs (with quantitative mineral density calibration) stacked to form a 3D model Volume rendered CT scan of a forearm with different color schemes for muscle, fat, bone, and blood In scientific visualization and computer graphics , volume rendering is a set of techniques used to display a 2D projection of a 3D discretely ...

  7. Structure factor - Wikipedia

    en.wikipedia.org/wiki/Structure_factor

    In condensed matter physics and crystallography, the static structure factor (or structure factor for short) is a mathematical description of how a material scatters incident radiation. The structure factor is a critical tool in the interpretation of scattering patterns ( interference patterns ) obtained in X-ray , electron and neutron ...

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  9. X-ray image intensifier - Wikipedia

    en.wikipedia.org/wiki/X-ray_image_intensifier

    An X-ray image intensifier (XRII) is an image intensifier that converts X-rays into visible light at higher intensity than the more traditional fluorescent screens can. Such intensifiers are used in X-ray imaging systems (such as fluoroscopes ) to allow low-intensity X-rays to be converted to a conveniently bright visible light output.

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