“…The nanocomposite powders were calcined at 700 °C for 2 h and characterized by Transmission Electron Microscopy (TEM), X-ray fluorescence (XRF), and X-ray Diffraction XRD. …”
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“…Therefore, we synthesized titanium dioxide hollow nanofibers (THNF) with extended surface area, light-harvesting properties and an anatase–rutile heterojunction via a template synthesis method and followed by a calcination process. The effect of calcination temperature on the formation and properties of THNF were determined and the possible mechanism of THNF formation was proposed. …”
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“…The photocatalytic tests performed under UV-A irradiation revealed that the photo-reactivity of these materials depends on the calcination temperature. The best results were obtained for the samples calcined at 750 °C, which showed high yields of CA elimination, as well as almost complete mineralization (over 95%) after 180 min of reaction. …”
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“…Co(3)O(4) can be obtained by calcination of ZIF-67 at 700 °C, which can retain the structure of ZIF-67. …”
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“…After forming, the nanofibers were calcined to remove the organic phase and create pores. …”
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“…Herein, a facile fabrication process of ZnO-ZnFe(2)O(4) hollow nanofibers through one-needle syringe electrospinning and the following calcination process is presented. The various compositions of the ZnO-ZnFe(2)O(4) nanofibers are simply created by controlling the metal precursor ratios of Zn and Fe. …”
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“…Variation of hyperfine parameters with calcination temperature of the dried precursor gel leading to an increase in the mean size of crystallites of BiFeO(3) has been deduced. …”
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“…The effects of the counterions and calcination temperatures on the phase structure, color-rendering and spectroscopic properties, microstructure, and stability of the synthesized pigments were investigated in detail. …”
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“…Two waste materials, oyster shell (NCOS; non-calcined oyster shell as coarse aggregate and COSP; calcined oyster shell powder as total and partial cement replacement) are used to reinforce and stabilise poorly graded and heavy metal-contaminated mine waste rock (MWR) for pavement subgrade use. …”
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“…The effects of Ce/Mn ratio and thermal calcination temperature on the NH(3)–SCR activity of the CeO(2)-MnO(2) nanocomposites were studied comprehensively. …”
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“…To reveal how CaF(2) improves the dissolution ratios of aluminum and iron ions in coal gangue, CaF(2) and hydrochloric acid are used to extract Al(3+) and Fe(3+) from the coal gangue calcined powder. The leaching ratios of Al(3+) and Fe(3+) are measured, and the filter residues are analyzed by BET, XRD, and SEM. …”
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“…The effects of supports (activated alumina, silicon dioxide, graphene oxide, graphene, and activated carbon), CuO loading amount, calcination temperature, and reaction parameters on the catalytic activity of the catalyst were investigated in detail. …”
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“…This study focuses on chromium removal through adsorption and ion exchange using structured calcined layered double hydroxide (LDH) (MgAl)–bentonite composites. …”
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“…Within the scope of this investigation, tantalum–iron heterojunction composites characterized by intricate, discoidal nanostructured materials were meticulously synthesized using a solvothermal-augmented calcination protocol. The X-ray diffraction, coupled with Rietveld refinements delineated the nuanced alterations in phase constitution and structural intricacies engendered by disparate calcination thermal regimes. …”
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“…The aim of this study was to investigate the chloride ion diffusion behavior of C30 concrete with varying amounts of calcined hydrotalcite (0%, 2%, 4% and 6%) in a chloride salt environment. …”
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“…Ayurveda is a unique system of medicine which uses metals and minerals in the form of bhasma (fine powder obtained through calcinations). Mandura is one of such mineral having various therapeutic uses. …”
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“…Especially, the effect of parameters such as optimum molar ratio for metal salt, NaOH and surfactants, temperature, and time of calcinations was also considered. Leveraging both high catalytic activity in NH(4)(+) degradation and more harmless selectivity for gaseous nitrogen, the CTAB/NiO catalyst is the best among 24 tested catalysts, which was generated by calcining NiCl(2)·6H(2)O, NaOH, and CTAB under the molar ratio 1:2.1:0.155 at 300 °C for 2 h. …”
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“…Single semiconductors such as KTaO(3), CdS MoS(2) or their precursor solutions were combined to form novel binary and ternary semiconductor nanocomposites by the calcination or by the hydro/solvothermal mixed solutions methods, respectively. …”
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“…As shown by X-ray diffraction, the formation of Mo(2)C impurity, which usually occurs in the direct H(2) reduction process, can be avoided by using the Ar calcination-H(2) reduction process, when residual carbon is removed by the carbothermal reaction during Ar calcination at 500 °C.…”
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“…To make full use of natural waste, a novel Mg-Al mixed oxide adsorbent was synthesized by the dip-calcination method using the fluff of the chinar tree (FCT) and an Mg(II) and Al(III) chloride solution as raw materials. …”
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