“…The results show that pozzolanic activity increased with time after calcination, and with the increase in content of calcined attapulgite and calcined montmorillonite, the fluidity of cement paste exhibited a downward trend. …”
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“…We find that the reactivity toward CO(2) of these calcined materials displays a strong sensitivity to the calcination conditions, in particular to calcination time. …”
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“…The effect of a gas pretreatment atmosphere (pure N(2), pure H(2) and mixed H(2)/N(2)) on the metathesis reaction between ethylene and 2-butene to propylene over calcined and non-calcined WO(3)/SiO(2) catalysts was investigated. …”
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“…Porous zinc oxide (ZnO) thin films were synthesized via the calcination of molecular layer-deposited (MLD) “zincone” layers. …”
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“…Freshly synthesized TiO(2) NTs showed better-ordered structure compared to calcined samples. There was significant pore rupture with increasing calcination temperature. …”
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“…The content of xonotlite increased from 18% (synthesized with hydrated cement without calcination) to 74% (synthesized from hydrated cement with calcination at 900 °C) during a reaction time of 24 h. …”
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“…According to XRD results, hematite samples calcined in the temperature range under study are monophase, represented by the α-Fe(2)O(3) phase, in which crystal density increases with increasing calcination temperature. …”
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“…The Brunauer-Emmett-Teller surface areas for the raw, boiled and calcined chicken eggshell were found to be 2.33 m(2)/g, 3.26 m(2)/g, and 4.6 m(2)/g respectively, indicating increased catalytic activity of the calcined sample. …”
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“…However, the presence of reactive silica and its pozzolanic reactivity depends on the calcination temperature, duration, and grinding. In this research, the organic wastes were calcined at three different calcination temperatures (300 °C, 400 °C, and 800 °C) for 2, 4, 6, and 8 h duration. …”
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“…In addition, the MWA-calcined IGZO NF FET was superior to the conventional furnace annealing-calcined device in terms of the electrical properties of the device and the operation of resistor-loaded inverter, and it was proved that the oxygen plasma treatment further improved the performance. …”
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“…Non-calcined Ag NPs have greater antioxidant activity than calcined Ag NPs. …”
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“…The photodegradation rates are measured which confirms the highest performance of the WO(3)/TiO(2)-wood fibers after calcination in comparison to the TiO(2)-wood fibers after calcination and the pure WO(3)/TiO(2) after calcination. …”
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“…The present study examined the Novacem-like cement system but in the presence of waste plastics and biomass during the calcination. The carbon dioxide and the methane produced during calcination were converted into syngas or hydrogen in Novacem-like cements. …”
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“…Firstly, the effects of different calcination times on the calcination products, the specific surface area, and the activity of MEA were analyzed. …”
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“…Biomass was used as reducing agent to roast the Baotou low-grade limonite in a high temperature vacuum atmosphere furnace. The effect of calcination temperature, time and ratio of reducing agent on the magnetic properties of calcined ore was studied by VSM. …”
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“…The precipitated crystals were calcinated in air at a temperature above 800 °C to produce alumina. …”
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“…In the first case, 100 °C calcined PSN selectively adsorb only anionic dyes, whereas in the second case, 500 °C calcined PSN adsorb only cationic dyes and finally, an optimized calcination temperature ≈250 °C could be used for all types of dye to be adsorbed irrespective of charges on the dyes. …”
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“…Attention was focused on the influence of the clay’s calcination treatment (450–500–600 °C) on the geopolymers’ microstructure of samples, remaining in the lower limit indicated by the literature for kaolinite or illite calcination. …”
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“…The crystal structure and morphology of the nanofibers were influenced by the calcination temperature. Crystallite size of the nanoparticles contained in nanofibers increased from 15 ± 4 to 24 ± 3 nm when calcination temperature was increased from 500 to 800 °C. …”
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