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X-ray absorption fine structure. Three regions of XAS data. X-ray absorption fine structure (XAFS) is a specific structure observed in X-ray absorption spectroscopy (XAS). By analyzing the XAFS, information can be acquired on the local structure and on the unoccupied local electronic states.
X-ray absorption (left) and differential phase-contrast (right) image of an in-ear headphone obtained with a grating interferometer at 60kVp. Phase-contrast X-ray imaging or phase-sensitive X-ray imaging is a general term for different technical methods that use information concerning changes in the phase of an X-ray beam that passes through an object in order to create its images.
Small-angle X-ray scattering (SAXS) is a small-angle scattering technique by which nanoscale density differences in a sample can be quantified. This means that it can determine nanoparticle size distributions, resolve the size and shape of (monodisperse) macromolecules , determine pore sizes, characteristic distances of partially ordered ...
D.J. Wagner is now the sixth player or recruit to follow John Calipari from Kentucky to Arkansas since he took the job in Fayetteville.
J.T. Miller scored with 33 seconds remaining to lead the Vancouver Canucks to a 3-2 victory over the Edmonton Oilers on Thursday night that put them a win away from the Western Conference Final.
Japan's Sony on Thursday emphasised the strength of user engagement with its gaming platform as sales of the PlayStation 5 console taper off and companies in the sector look for recurring revenue.
Leaded glass and special barium-strontium glass are used to block most x-ray emissions. Size [ edit ] A practical limit on the size of a CRT is the weight of the thick glass needed to safely sustain its vacuum, [353] since a CRT's exterior is exposed to the full atmospheric pressure , which for instance totals 5,800 pounds-force (26,000 N ) on ...
In total, David has six biological children of his own: daughters Allison Jones Foster, Amy Skylark Foster, Sara Foster, Erin Foster and Jordan Foster, and son Rennie Foster, whom he and McPhee ...