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  2. X-ray fluorescence - Wikipedia

    en.wikipedia.org/wiki/X-ray_fluorescence

    X-ray diffraction (XRD) is still the most used method for structural analysis of chemical compounds. Yet, with increasing detail on the relation of K β {\displaystyle K_{\beta }} -line spectra and the surrounding chemical environment of the ionized metal atom, measurements of the so-called valence-to-core (V2C) energy region become ...

  3. How to redeem a Roblox gift card in 2 different ways, so you ...

    www.aol.com/news/redeem-roblox-gift-card-2...

    How to redeem a Roblox gift card by crediting your account. This should only take a minute or so to complete: Go to the Roblox gift card redemption page in a web browser. Log into your account.

  4. X-ray diffraction - Wikipedia

    en.wikipedia.org/wiki/X-ray_diffraction

    X-ray diffraction is a generic term for phenomena associated with changes in the direction of X-ray beams due to interactions with the electrons around atoms. It occurs due to elastic scattering , when there is no change in the energy of the waves.

  5. Experience point - Wikipedia

    en.wikipedia.org/wiki/Experience_point

    Arneson introduced a level-up system while playing a modification of Chainmail, for which Gygax was a co-author. [2] Dungeons & Dragons needed an abbreviation for "experience point", but EP was already in use for "electrum pieces", part of the currency system. One of TSR's first hires, Lawrence Schick, suggested the abbreviation to XP, to help ...

  6. Energy-dispersive X-ray diffraction - Wikipedia

    en.wikipedia.org/wiki/Energy-dispersive_X-ray...

    Energy-dispersive X-ray diffraction (EDXRD) is an analytical technique for characterizing materials. It differs from conventional X-ray diffraction by using polychromatic photons as the source and is usually operated at a fixed angle. [1] With no need for a goniometer, EDXRD is able to collect full diffraction patterns very quickly.

  7. Three-dimensional X-ray diffraction - Wikipedia

    en.wikipedia.org/wiki/Three-dimensional_X-ray...

    Three-dimensional X-ray diffraction (3DXRD) is a microscopy technique using hard X-rays (with energy in the 30-100 keV range) to investigate the internal structure of polycrystalline materials in three dimensions.

  8. Talk:Guilty Gear Xrd - Wikipedia

    en.wikipedia.org/wiki/Talk:Guilty_Gear_Xrd

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  9. X-ray reflectivity - Wikipedia

    en.wikipedia.org/wiki/X-ray_reflectivity

    X-ray reflectivity (sometimes known as X-ray specular reflectivity, X-ray reflectometry, or XRR) is a surface-sensitive analytical technique used in chemistry, physics, and materials science to characterize surfaces, thin films and multilayers.