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1781por Zimbone, Massimo, Cacciato, Giuseppe, Spitaleri, Luca, Egdell, Russell G., Grimaldi, Maria Grazia, Gulino, Antonino“…Here, we investigate the photocatalytic properties of 1.5% Sb-doped TiO(2) and laser-irradiated Sb-doped TiO(x). Calcined Sb-doped TiO(2) was found to adopt the rutile structure, but it turned amorphous after laser irradiation. …”
Publicado 2018
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1782por Zhang, Yanlin, Jia, Chaowei, Wang, Qiuyue, Kong, Quan, Chen, Gang, Guan, Hongtao, Dong, Chengjun“…Here, NiFe(2)O(4) nano-octahedrons were calcinated from NiFe-bimetallic metal-organic framework (MOFs) octahedrons synthesized by a facile refluxing method. …”
Publicado 2019
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1783por Li, Pei, Ma, Zhiqiang, Zhang, Zhong, Li, Xumin, Lu, Xiaolei, Hou, Pengkun, Du, Peng“…The results show that the mineral content of ye’elimite, C(2)S, C(3)S and iron phase in the calcined AMCSA clinker are 48.5 wt.%, 32.6 wt.%, 11.7 wt.% and 7.2 wt.% respectively, which are close to the designed mineral composition. …”
Publicado 2019
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1784por Smalenskaite, A., Kaba, M. M., Grigoraviciute-Puroniene, I., Mikoliunaite, L., Zarkov, A., Ramanauskas, R., Morkan, I. A., Kareiva, A.“…The MMOs were obtained by calcination of the precursor gels. Thin films of sol–gel-derived Mg-Al LDHs were deposited on silicon and stainless-steel substrates using the dip-coating technique by a single dipping process, and the deposited film was dried before the new layer was added. …”
Publicado 2019
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1785“…The studies of XRD, HAADF-STEM images with phase mappings, XPS, TPR, and DRIFT-IR with CO probes confirm that the as-synthesized Rh@Co nanoparticles were core–shell-like structures with Rh cores and Co-rich shells, and Rh-Co(2)O(3) heteroaggregate nanostructures are obtained by calcination of Rh@Co nanoparticles and subsequent selective H(2) reduction. …”
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1786Synthesis of NdAlO(3) Nanoparticles and Evaluation of the Catalytic Capacity for Biodiesel Synthesispor Dionicio-Navarrete, Mayra, Arrieta-Gonzalez, C. Dinorah, Quinto-Hernandez, Alfredo, Casales-Diaz, Maura, Zuñiga-Diaz, Jacqueline, Porcayo-Calderon, Jesus, Martinez-Gomez, Lorenzo“…Thermogravimetric analysis-differential thermal analysis (TGA-DTA) analysis was performed on the nanoparticle precursor gel in order to establish the optimum conditions for its calcination, with these being of 800 °C over 24 h. A pure NdAlO(3) compound with an approximate size of 100 nm was obtained. …”
Publicado 2019
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1787por Liu, Zichao, Dong, Wujie, Wang, Jianbo, Dong, Chenlong, Lin, Yue, Chen, I-Wei, Huang, Fuqiang“…The procedure includes etching, proton ion exchange, calcination, and reduction, and the resulting Nb(2)O(5-x) has a capacity of 253 mA h g(−1) at 0.5C, 187 mA h g(−1) at 25C, and 130 mA h g(−1) at 100C, with 93.3% of the 25C capacity remaining after cycling for 4,000 times. …”
Publicado 2019
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1788por Ramírez-Aragón, Cristina, Ordieres-Meré, Joaquín, Alba-Elías, Fernando, González-Marcos, Ana“…The capability of two cohesive contact models, implemented in different DEM packages, to simulate the compaction of a mixture of two refractory materials (dead burnt magnesia (MgO) and calcined alumina (Al(2)O(3))) was analyzed, and the simulation results were compared with experimental data. …”
Publicado 2020
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1789por Lopes, Diogo, Daniel-da-Silva, Ana Luísa, Sarabando, Artur R., Arias-Serrano, Blanca I., Rodríguez-Aguado, Elena, Rodríguez-Castellón, Enrique, Trindade, Tito, Frade, Jorge R., Kovalevsky, Andrei V.“…The highest apparent reaction rate of the photodegradation of methylene blue was observed for the sample pre-reduced in Ar at 1300 °C for 5 h and then calcined in air at 400 °C for 25 h. Though its performance was ~1.6-times lower than that for the same amount of nanostructured industrial P25 photocatalyst, it was achieved in the material possessing 2–3 times lower surface area and containing ~50 mol% of SiO(2) and SiC, thus demonstrating excellent prospects for further improvements.…”
Publicado 2020
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1790“…Cr acted as a stabilizer for the formation of β-C(2)S in the clinker calcination. As the amount of Cr increased, the relative content of C(3)S decreased and the relative content of C(2)S increased. …”
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1791“…The results showed that the metakaolin calcined from Kaolinite mainly consisted of quartz crystalline phase and amorphous phase. …”
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1792por Dumitru, Raluca, Negrea, Sorina, Ianculescu, Adelina, Păcurariu, Cornelia, Vasile, Bogdan, Surdu, Adrian, Manea, Florica“…LaFeO(3) obtained after the calcination of the precursor for at least 550–800 °C/1 h have been investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HRTEM). …”
Publicado 2020
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1793“…Extensive studies were performed on the preparation conditions of immobilized photocatalysts by sol-gel method under various amount of precursor and support, water to precursor ratio, pH, aging time, and calcination conditions. The optimized preparation conditions were chosen by measuring removal efficiencies of isopropyl alcohol as a representative target compound with supportive SEM and XRD analyses. …”
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1794“…The excellent catalytic performance derives from the high surface-chemisorbed oxygen species. Low calcination temperature and interaction with g-C(3)N(4) are conducive to increasing the surface-chemisorbed oxygen species of V(2)O(5). …”
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1795por Pascariu, Petronela, Homocianu, Mihaela, Olaru, Niculae, Airinei, Anton, Ionescu, Octavian“…New molybdenum trioxide-incorporated ZnO materials were prepared through the electrospinning method and then calcination at 500 °C, for 2 h. The obtained electrospun ZnO:MoO(3) hybrid materials were characterized by X-ray diffraction, scanning and transmission electron microscopies, ultraviolet (UV)-diffuse reflectance, UV–visible (UV–vis) absorption, and photoluminescence techniques. …”
Publicado 2020
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1796“…In this work, porous biochar was obtained from sugarcane bagasse by alkali activation and pyrolysis and then magnetized with γ-Fe(2)O(3) by calcination. After functionalization with chitosan and activation with glutaraldehyde, the as-prepared chitosan/magnetic porous biochar served as a support to immobilize cellulase by covalent bonds. …”
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1797“…CeO(2)-DC obtained from directly calcined Ce(NO(3))(3)·6H(2)O had the largest pore volume and pore diameter and smallest particle size. …”
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1798por Grigoreva, Anna, Kolobova, Ekaterina, Pakrieva, Ekaterina, Mäki-Arvela, Päivi, Carabineiro, Sónia A. C., Gorbunova, Alina, Bogdanchikova, Nina, Murzin, Dmitry Yu., Pestryakov, Alexey“…Betulin conversion, depending on the support, increased in the following order: Ag/boehmite < Ag/boehmite (calcined) < Ag/γ-alumina. However, in the same order, the share of side reactions catalyzed by strong Lewis acid centers of the support also increased. …”
Publicado 2021
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1799“…After thermal treatment of desorption and calcination, the corresponding Au, Pt, and Pd-ZSM-11 catalysts were obtained. …”
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1800“…Therefore, this review aims to obtain a better understanding on the plant-mediated synthesis process of the major transition-metal and transition-metal oxide nanoparticles, and how process parameters—concentration, temperature, contact time, pH level, and calcination temperature affect their unique properties such as particle size, morphologies, and crystallinity.…”
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