Articles with "neutron ray" as a keyword



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Comparative neutron and X-ray diffraction analysis of anionic and cationic ordering in rare-earth zirconates (Ln = La, Nd, Tb, Yb, Y)

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.154863

Abstract: Abstract The influence of the cation radii ratio (γ = 1.37–1.61) and temperature of the isothermal annealing on the specific features of fluorite – pyrochlore phase transition in Ln2O3: ZrO2 = 1:2 (Ln = La, Nd, Tb, Yb, and Y) systems… read more here.

Keywords: ray diffraction; diffraction analysis; analysis anionic; comparative neutron ... See more keywords
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Pressure-induced structural changes in titanophosphate glasses studied by neutron and X-ray total scattering analyses

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Published in 2018 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2017.12.055

Abstract: Abstract In this paper, the densification mechanism of two titanophosphate glasses (binary 73TiO2-27P2O5 and ternary 68TiO2-5Al2O3-27P2O5) is investigated. The glasses are densified by isostatic N2-mediated pressure treatment at elevated temperature and the pressure-induced structural changes… read more here.

Keywords: structural changes; titanophosphate glasses; induced structural; neutron ray ... See more keywords
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Development of neutron and X-ray imaging techniques for nuclear fuel bundle optimization

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Published in 2017 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2017.04.035

Abstract: Abstract High-quality boiling crisis, i.e. dry out of the liquid film is an important operational safety issue for boiling water reactors. The phenomena involved in dry out are complicated and difficult to capture in full… read more here.

Keywords: neutron; nuclear fuel; ray imaging; fuel ... See more keywords
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Bivariate Histogram Segmentation of Simultaneous Neutron and X-ray Tomography for Improved Compositional and Structural Determination of Source Rock Shales

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Published in 2020 at "Microscopy and Microanalysis"

DOI: 10.1017/s1431927620024204

Abstract: Shale gas has seen an incredible growth in the United States and worldwide due to improvements in horizontal drilling and hydraulic fracturing. Significant improvements to gas extraction from reservoirs can be made with improved understanding… read more here.

Keywords: ray; bivariate histogram; ray tomography; neutron ray ... See more keywords
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Comparison of small-angle neutron and X-ray scattering for studying cortical bone nanostructure

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Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-71190-9

Abstract: In this study, we present a combined small-angle neutron and X-ray scattering (SANS and SAXS) study of the nanoscale structure of cortical bone specimens from three different species. The variation of the scattering cross section… read more here.

Keywords: small angle; cortical bone; bone; neutron ray ... See more keywords
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Structural properties of contractile gels based on light-driven molecular motors: a small-angle neutron and X-ray study.

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Published in 2020 at "Soft matter"

DOI: 10.1039/d0sm00031k

Abstract: The detailed structure of active polymer gels built by integrating light-driven rotary molecular motors as reticulation units in polymer networks is discussed as a function of gel composition. Upon light-irradiation, the collective rotation of molecular… read more here.

Keywords: small angle; contraction; neutron ray; light driven ... See more keywords
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Angular Momentum Removal by Neutron and γ -Ray Emissions during Fission Fragment Decays

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Published in 2021 at "Physical Review Letters"

DOI: 10.1103/physrevlett.127.222502

Abstract: We investigate the angular momentum removal from fission fragments (FFs) through neutron and γ-ray emission, finding that about half the neutrons are emitted with angular momenta ≥ 1.5h̄ and that the change in angular momentum… read more here.

Keywords: momentum; momentum removal; angular momentum; neutron ray ... See more keywords
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The scale of a martian hydrothermal system explored using combined neutron and x-ray tomography

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Published in 2022 at "Science Advances"

DOI: 10.1126/sciadv.abn3044

Abstract: Nakhlite meteorites are igneous rocks from Mars that were aqueously altered ~630 million years ago. Hydrothermal systems on Earth are known to provide microhabitats; knowledge of the extent and duration of these systems is crucial… read more here.

Keywords: scale martian; neutron ray; system; ray tomography ... See more keywords