Physical investigations on the radiation damage of graphene oxide by IR pulsed laser
Graphene oxide foils were irradiated by Nd:YAG laser at the moderated intensities of the order of 108 W/cm2 in vacuum. Measurements of atomic emission during the laser irradiation were performed with ion collectors and mass spectrometry, demonstrating a ...
Silipigni Letteria +2 more
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Preconcentration of Copper Ion on Modified Magnetic Fe3O4@SiO2 Nanoparticles in some Environmental Samples and its Determination by Electrothermal Atomic Absorption Spectrometry [PDF]
Magnetic silica nanoparticles modified by 3-[2-(2-aminoethylamino) ethylamino] propyl-trimethoxysilane (AAAPTS) and Salicylaldehyde were prepared and used as a new adsorbent for extraction and preconentration of copper ion through magnetic solid-phase ...
M. Naghizadeh +3 more
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Combination of particle-induced X-ray emission (PIXE) spectrometry and proton-induced gamma-ray emission (PIGE) spectrometry for analysis of azure color in tile [PDF]
Ion beam analysis (IBA) has been widely used for fast, sensitive, multi-elemental and nondestructive analysis without any sampling, especially for the pigment analysis.
Marjan Ghadiri +1 more
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Research Paper: Passive Spectrometry of X-ray Emission in IR-MPF-100 Plasma Focus Device [PDF]
The plasma focus device produces short and intense pulses of X-rays during its pinch duration. These X-rays are a valuable diagnostic tool for understanding the performance and properties of the device.
Noushin Pishbin +3 more
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Synthesis and Characterization of LaNiO3, LaNi(1-x)Fe xO3 andLaNi(1-x)Co xO3 Perovskite Oxides for Catalysis Application [PDF]
Mixed metal oxides with perovskite-type structure show a great potential to be used in catalysis, electrocatalysis and electronic ceramics. Perovskites oxides catalysts with the composition LaNiO3, LaNi(1-x)Fe xO3 and LaNi(1-x)Co xO3 (x = 0.4 and 0.7 ...
Sania Maria de Lima, José Mansur Assaf
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The removal of catalyst poisoning compounds from crude oil or heavy oil fractions improves the efficiency of oil refineries and reduces the cost of high temperature corrosion damage during combustion. In this study, the demetallization of crude oil
Cheman Dlshad Yousif +1 more
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Origins of medieval lead artefacts are hard to establish due to re-smelting and mixing. One can obtain conclusive evidence from ingots that served for bulk trade and originated directly from the mines.
Beata Miazga +4 more
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Environmentally benign copper nanoparticles supported on walnut shell as a highly durable nanocatalyst for the synthesis of propargylamines [PDF]
This study was an attempt to prepare copper nanoparticles and to determine their catalytic activity employing walnut shell (WS) residue as a green support and a reusable material.
Saadati Fariba +2 more
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Modern X-ray Spectroscopy I. X-ray Emission Spectrometry
X-ray fluorescence spectrometry enables non-destructive elemental analysis at ambient air pressure. In this article, after short description of interaction between x-rays and solid matter, mechanism of emission of x-ray fluorescence are explained, recent developments of x-ray source, x-ray optics, especially x-ray polycapillary focusing optics and x ...
openaire +2 more sources
The effects of CeO2, ZrO2, Nb2O5, and ZnO catalysts supported on carbon nanotubes (CNT) relative to cellulose hydrothermal hydrogenolysis in the presence of Ni/CNT and pressured H2 was studied in this work. The catalysts were characterized by inductively
Guifang Fan +4 more
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