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2321
Evaluation of a Local Clay as a Dehydration Catalyst
Published 1996-12-01“…Activation included either thermal activation by calcination of the clay in a stream of dry air at different temperatures or chemical activation by treatment with different concentrations of sulphuric acid solution. …”
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2322
Morphology Controlled Synthesis of α-GaO(OH) Nanoparticles: Thermal Conversion to Ga2O3 and Photocatalytic Properties
Published 2016-01-01“…XRD and TG analysis confirmed that there was a phase transition from GaO(OH) to Ga2O3 when precursor sample was calcined to 750°C. The single phase α-Ga2O3 was obtained after thermal treatment of NaOH precipitated precursor, while β-Ga2O3 was formed when the urea or NH4OH precipitated precursor was calcinated. …”
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2323
XPS, FTIR, EDX, and XRD Analysis of Al2O3 Scales Grown on PM2000 Alloy
Published 2015-01-01“…This work is an original example to compare the results obtained after calcination of Al2O3 hydroxides and oxidation of alumino-formers alloys. …”
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2324
L'accès à l'écriture à l'école maternelle : la dictée à l'adulte, un dispositif en question
Published 2010-01-01Get full text
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2325
Adsorption of U(VI) from Aqueous Solution onto Hydrotalcite-Like Compounds
Published 2012-01-01“…Uranium adsorption by the synthesized compound of magnesium aluminum hydroxide hydrate – layered double hydrotalcite (STH)-like compounds was studied. The calcinated STH was proven to be a highly effective in U(VI) adsorption in pH range from 6.5 to 7. …”
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2326
PROCESSING OF GYPSUM-BEARING MATERIALS IN THE BRONZE AGE GONUR DEPE ARCHEOLOGICAL SITE (SOUTHEAST KARAKUM DESERT)
Published 2024-03-01“…The mixture was produced from a crushed natural gypsum stone, which was calcinated in air. In this case, gypsum is converted to β-bassanite and partly to anhydride. …”
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2327
Un autre football ? Catholiques et communistes italiens au tournant des années 1970
Published 2013-01-01“…Les structures d’encadrement traditionnelles, qu’elles soient catholiques ou communistes, s’adaptent à cette nouvelle demande : une nouvelle pédagogie, fondée sur le dialogue et refusant l’autoritarisme, semble nécessaire ; la participation à des championnats, voire l’existence de ces derniers, est remise en cause ; le modèle du professionnalisme, perçu comme facteur d’aliénation, doit être combattu sans relâche. Ces positions novatrices sont partagées tant par des militants-entraîneurs communistes de l’Union italienne du sport populaire (UISP) que par certains laïcs de l’Action catholique mobilisés au sein du Centre sportif italien (CSI). …”
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2328
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2329
Synthesis of Calcium Phosphate by Microwave Hydrothermal Method
Published 2024-01-01“…The proposed synthesis method was efficient in obtaining a biomaterial with suitable physical and chemical characteristics, with an association of crystalline phases of biological interest related to the increase in synthesis temperature and calcination temperature.…”
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2330
Factors Determining the Removal Efficiency of Procion MX in Waters Using Titanate Nanotubes Catalyzed by UV Irradiation
Published 2021-01-01“…Consequently, TNTs calcined at 500°C provided the highest removal efficiency. …”
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2331
Utilization of Thermal-Activated Coal Gangue to Enhance the Properties of Sandy Soil Composites
Published 2025-01-01“…By applying different dosages and different calcination temperatures of the TACG, the water-holding capacity of the mixed soil was determined, and changes in pore structure were observed. …”
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2333
A New American “Physical Morality”: Martha Graham and the Revaluation of the Body in Letter to the World
Published 2020-12-01Get full text
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2335
Scalable production of bio-calcium oxide via thermal decomposition of solid - hatchery waste in a laboratory-scale rotary kiln
Published 2025-01-01“…The effects of the calcination process in either an air or N2 atmosphere on the calcined product were also observed. …”
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2336
Synthetic Conditions and Color Characteristics of Tantalum Oxynitride Prepared via Liquid-NH3 Process
Published 2009-01-01“…We have developed a process for preparing nitrides or oxynitrides involving the vacuum-calcination of a precursor material obtained via reaction between a metal halide and liquid NH3. …”
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2337
Microwave-intensified esterification of high-free fatty acid feedstock into biodiesel using waste chicken eggshells as a heterogeneous catalyst
Published 2025-06-01“…The catalytic stability of calcined waste chicken eggshells revealed that the weight of CaO was decreased after the first cycle. …”
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2338
Preparation and Property of Mo-Doped Visible-Light Response Titaniumdioxide Photocatalyst
Published 2014-01-01“…Mo-titaniumdioxide (P25) photocatalyst with visible-light response was prepared with the ammonium molybdate for Mo source and titaniumdioxide for the raw materials by the method of dissolving and calcining. The photocatalysts’ structure was characterized by XRD, XPS, and UV-Vis absorption spectrum and TEM. …”
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2339
L’ubérisation des activités productives : un nouveau défi pour les politiques publiques d’aménagement
Published 2024-05-01Get full text
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2340
Prise en compte de la durabilité dans la représentation sociale de la croissance économique.
Published 2011-12-01Get full text
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