Results 21 to 30 of about 1,291,187 (318)

Analysis Methods to Localize and Characterize X-Ray Sources with the Microchannel X-Ray Telescope on Board the SVOM Satellite

open access: yesThe Astrophysical Journal, 2023
The Space-based multiband astronomical Variableonboard computing resources. This Object Monitor (SVOM) is a Sino–French space mission targeting high-energy transient astrophysical objects such as gamma-ray bursts.
Shaymaa Hussein   +5 more
doaj   +1 more source

Diagnosing and mapping pulmonary emphysema on X-ray projection images [PDF]

open access: yes, 2013
To assess whether grating-based X-ray dark-field imaging can increase the sensitivity of X-ray projection images in the diagnosis of pulmonary emphysema and allow for a more accurate assessment of emphysema distribution.
Pfeiffer, Franz   +16 more
core   +1 more source

The Crystal Structure of La3Pb0.1Ga1.6S7 and Pr3Pb0.1Ga1.6S7 Compounds

open access: yesФізика і хімія твердого тіла, 2022
The crystal structure of La3Pb0.1Ga1.6S7 and Pr3Pb0.1Ga1.6S7 compounds was determined by X-ray powder diffraction method. The samples were prepared by solid-solid reactions of the elements at 1370 K.
N.M. Blashko   +2 more
doaj   +1 more source

Shape and Satellite Studies of Highly Charged Ions X-ray Spectra Using Bayesian Methods

open access: yesAtoms, 2023
High-accuracy spectroscopy commonly requires dedicated investigation into the choice of spectral line modelling to avoid the introduction of unwanted systematic errors.
Martino Trassinelli
doaj   +1 more source

X-ray Diffraction Data Analysis by Machine Learning Methods—A Review

open access: yesApplied Sciences, 2023
X-ray diffraction (XRD) is a proven, powerful technique for determining the phase composition, structure, and microstructural features of crystalline materials.
Vasile-Adrian Surdu, Romuald Győrgy
doaj   +1 more source

Multiscale Structural Elucidation of Peptide Nanotubes by X-Ray Scattering Methods

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
This mini-review presents the structural investigations of the self-assembled peptide nanotubes using X-ray scattering techniques. As compared to electron microscopy, scattering methods enable studies of nanotubes in solution under the appropriate ...
Theyencheri Narayanan   +2 more
doaj   +1 more source

Quantitative chemical analysis of pickling solutions by x-ray fluorescence spectrometry

open access: yes, 2019
A quantitative analytical method of chlorine and iron in hydrochloric pickling solutions by x-ray spectrometry in atmospheric He mode is proposed. This work is concerned with the replacement of the wet chemical analyses of pickling solutions with rapid ...
Na, HG, Min, DJ, Jung, SM, Cho, YM
core   +1 more source

Artifact identification in X-ray diffraction data using machine learning methods

open access: yesJournal of Synchrotron Radiation, 2023
In situ synchrotron high-energy X-ray powder diffraction (XRD) is highly utilized by researchers to analyze the crystallographic structures of materials in functional devices (e.g. battery materials) or in complex sample environments (e.g.
Howard Yanxon   +5 more
doaj   +1 more source

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