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X-ray absorption spectroscopy. X-ray absorption spectroscopy (XAS) is a widely used technique for determining the local geometric and/or electronic structure of matter. [ 1] The experiment is usually performed at synchrotron radiation facilities, which provide intense and tunable X-ray beams. Samples can be in the gas phase, solutions, or solids.
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 ...
A powder X-ray diffractometer in motion. X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallographer ...
France held off a late Germany rally, and rising NBA star Victor Wembanyama split two free throws, putting France ahead 71-68 with 10.9 seconds left. France advances to play USA for men's ...
Actor Ian McKellen said Monday he is withdrawing from a U.K. tour of his latest play because he needs more time to recover after falling off the stage at a London theater last month. McKellen, 85 ...
We finally have an answer for how much it’ll take for Justin Bieber to croon “Love Yourself,” a now nearly-decade-old song, at your next party—a cool $10 million. At least, that’s what ...
List of warez groups. Warez groups are teams of individuals who have participated in the organized unauthorized publication of films, music, or other media, as well as those who can reverse engineer and crack the digital rights management ( DRM) measures applied to commercial software. This is a list of groups, both web -based and warez scene ...
Gamma-ray spectroscopy is the qualitative study of the energy spectra of gamma-ray sources, such as in the nuclear industry, geochemical investigation, and astrophysics. [ 1] Gamma-ray spectrometry, on the other hand, is the method used to acquire a quantitative spectrum measurement. [ 2]