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Deep Chandra Observations of NGC 5728: Morphology and Spectral Properties of the Extended X-Ray Emission [PDF]
The Astrophysical Journal, 2023 Recent deep Chandra observations of nearby Compton-thick (CT) active galactic nuclei (AGNs) have produced surprising results, uncovering extended emission not only in soft X-rays but also in hard emission (>3 keV), challenging the long-held belief that ...
Anna Trindade Falcao +4 more
doaj +2 more sources
The Ginga hard X-ray spectrum of AM Herculis [PDF]
, 1995 We present an analysis of the phase-resolved 2-30 keV X-ray spectrum of the prototype magnetic cataclysmic variable AM Herculis obtained with the Ginga satellite.
M. Ishida (2692837) +3 more
core +7 more sources
Zinc sulfide restoration from the used television kinescopes and monitors of computers
Trudy Odesskogo Politehničeskogo Universiteta, 2015 One of the ways of restoration and use of secondary raw materials of waste for the decision both economic and environmental problems is described. Definition of optimum physical and chemical conditions of extraction of sulfide of zinc as secondary ...
Natalia I. Zavgorodnia +1 more
doaj +7 more sources
Synthesis and physico-chemical study of systems of co-precipitated Eu/Me hydroxides [PDF]
E3S Web of Conferences, 2023 The level of scientific and technical progress is determined in many respects by inorganic materials – phosphors, sorbents, catalysts, aluminates, chromates, ferrite.
Bugaets Olga +7 more
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Synthesis and Characterization of Heterogeneous Catalysts from Magnetic Sand and Kaolin [PDF]
Journal of Chemistry Letters, 2020 In this study, magnetic sand and kaolin obtained from the Nigerian states of Adamawa and Bauchi, respectively, were impregnated and studied for the catalytic property of the hybrid material.
Martins Iji +3 more
doaj +1 more source
Molecules, 2021 Silicoaluminophosphate molecular sieves of SAPO-11 type (AEL structure) were synthesized by the hydrothermal method, from the residue of a fluorescent lamp as a source or Si, Al, and P in the presence of water and di-propyamine (DPA) as an organic ...
Gidiângela C. C. S. Lima +4 more
doaj +1 more source
The effect of well-characterized, very low-dose x-ray radiation on fibroblasts. [PDF]
PLoS ONE, 2018 The purpose of this study is to determine the effects of low-dose radiation on fibroblast cells irradiated by spectrally and dosimetrically well-characterized soft x-rays. To achieve this, a new cell culture x-ray irradiation system was designed.
Katelyn Truong +9 more
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Journal of Applied Crystallography, 2022 In materials and earth science, but also in chemistry, pharmaceutics and engineering, the quantification of elements and crystal phases in solid samples is often essential for a full characterization of materials. The most frequently used techniques for this purpose are X-ray fluorescence (XRF) for elemental analysis and X-ray ...
Mattia Lopresti +4 more
openaire +6 more sources
Technology for processing phosphogypsum into a fluorescent dye based on calcium sulfide
Тонкие химические технологии, 2022 Objectives. There is considerable economic demand for products obtained by processing phosphogypsum. In particular, calcium sulfide-based materials having luminescent properties are the object of intensive study due to the wide range of possibilities for
O. A. Medennikov, N. P. Shabelskaya
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X-Ray absorption spectroscopy on airborne aerosols [PDF]
, 2022 Here we demonstrate a method for performing X-ray absorption spectroscopy (XAS) on airborne aerosols. XAS provides unique insight into elemental composition, chemical and phase state, local coordination and electronic structure of both crystalline and ...
Xto, Jacinta M. +7 more
core +1 more source