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1741por Han, Xing-hao, Li, Chuan-qi, Tang, Ping, Feng, Chen-xiao, Yue, Xin-zheng, Zhang, Wen-lei“…Specifically, Ti powders are transformed into TiO(2) micro-nanostructures through dispersing them into a solid NaOH/KOH mixture with a low eutectic point, followed by grinding, heating, ion exchange, and calcination. As no solvents are utilized in the alkali treatment process, the usage of solvents is decreased and high vapor pressure is avoided. …”
Publicado 2022
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1742por Kovalevskiy, Nikita, Svintsitskiy, Dmitry, Cherepanova, Svetlana, Yakushkin, Stanislav, Martyanov, Oleg, Selishcheva, Svetlana, Gribov, Evgeny, Kozlov, Denis, Selishchev, Dmitry“…Mixing the reagents under a control of pH leads to an amorphous titanium oxide hydrate, which can be further successfully converted to nanocrystalline anatase TiO(2) through calcination in air at an increased temperature. The as-prepared N-doped TiO(2) provides the complete oxidation of volatile organic compounds both under UV and visible light, and the action spectrum of N-doped TiO(2) correlates to its absorption spectrum. …”
Publicado 2022
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1743“…The results show that when the roasting temperature reaches 150 °C, the weak cyanide compound and free cyanide in the tailings begin to decompose. When the calcination temperature reached 300 °C, the complex cyanide compound began to decompose. …”
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1744por Qin, Juan, Fang, Yeting, Shi, Jian, Tokoro, Chiharu, Córdova-Udaeta, Mauricio, Oyama, Keishi, Zhang, Juncheng“…Moreover, the removal efficiency was practically higher than 95% during five regeneration cycles, when different regeneration methods were used, including calcination, HCl, and NaOH washing, indicating that the ceramsite exhibited outstanding reusability in removing CIP. …”
Publicado 2023
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1745“…Catalyzed cerium (III) nitrate hexahydrate (CeH(3)NO(4)) was treated with alkali and calcined at 600 °C under nitrogen. XRD, XPS, SEM, EDS, UV-VIS /DRS, FTIR, PL and N(2) adsorption–desorption methods were used to characterize the crystal structure, chemical composition, morphology, surface physical and chemical properties. …”
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1746por Kitano, Sho, Sato, Yuki, Tagusari, Reiko, Zhu, Ruijie, Kowalski, Damian, Aoki, Yoshitaka, Habazaki, Hiroki“…Both hydroxide and LDH are simultaneously produced by a precipitation method with a controlled molar ratio of Co(2+), Ni(2+) and Fe(3+) in the reaction solution, and calcination of the precursor at a moderate temperature provides composite catalysts of metal oxyhydroxides and spinel oxides. …”
Publicado 2023
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1747“…The findings demonstrate that the phases of the yttria precursor were Y(2)(CO(3))(3)·2H(2)O with and without an electric field, while the morphology changed from flake to needle-like under the action of the electric field. After calcining both yttria precursors at 750 °C, yttria powders with similar morphologies were obtained and then densified via conventional sintering (CS) and spark plasma sintering (SPS). …”
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1748por Liu, Yanjing, Li, Xiyue, Liu, Yuezhou, Huang, Yaping, Wang, Fuming, Qian, Yongfang, Wang, Ying“…The purpose of this study was to synthesize nano-structured Sc2O3-MgO by doping Sc(3+), calcining at 600 °C, and then loading it onto the PCL/PVP substrates with electrospinning technology with the aim of developing new efficient antibacterial nanofiber membranes for tissue engineering. …”
Publicado 2023
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1749por Qu, Shaoqing, Hadjittofis, Eftychios, Malaret, Francisco, Hallett, Jason, Smith, Rachel, Campbell, Kyra Sedransk“…Different growth mechanisms were observed as a function of the concentration of betaine·HCl solution, both traditional classical growth of individual crystals and non-traditional growth patterns; the latter included examples of Ostwald ripening and oriented attachment. After calcination, simonkolleite's transformation into ZnO retains its hexagonal skeleton; this produces a nano/micro-ZnO with a relatively uniform shape and size through a convenient reaction route.…”
Publicado 2023
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1750por Pol Segura, Isabel, Ranjbar, Navid, Juul Damø, Anne, Skaarup Jensen, Lars, Canut, Mariana, Arendt Jensen, Peter“…This includes aluminosilicate pre-treatment methods (drying, grinding, and calcining) to increase the precursor's reactivity and degree of amorphization, alkali activation by two-part or one-part mix, as well as, mixing and casting fresh alkali-activated concrete ensuring low porosity and adequate strength development. …”
Publicado 2023
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1751“…The desulfurized electrolytic manganese residue (DMR) was prepared by calcination and desulfurization of industrial waste electrolytic manganese residue, and the original DMR was ground to prepare DMR fine powder (GDMR) with specific surface areas of 383 m(2)/kg, 428 m(2)/kg, and 629 m(2)/kg. …”
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1752“…In this study, we successfully synthesized Ag@CuO@rGO (rGO wrapped around Ag/CuO) nanocomposites using AgNO(3), Cu(NO)(32), and NaOH as raw materials and particularly treated CTAB as a template by chemical precipitation, hydrothermal synthesis, and subsequent high-temperature calcination processes. In addition, transmission electron microscopy (TEM) images revealed that the prepared products appeared to have a mixed structure. …”
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1753“…In this work, g-C(3)N(4) nanosheets were initially prepared using a calcination method and then as-prepared, and h-BN were used as lubricating additives to the white oil. …”
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1754“…In this work, carbon particles via candle combustion were firstly adsorbed on the surface of stainless steel meshes (SSMs), which formed a thin hydrophobic coating, and a rough structure was then constructed through chemical vapor deposition and high temperature calcination, with the resultant SSM surface wrapped with uniform silica coating possessing the characteristic of superoleophobicity underwater. …”
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1755por Hopper, Jack T., Ma, Ruining, Rawlings, James B., Ford, Peter C., Abu-Omar, Mahdi M.“…The S/Zr ratio (0.1–2.0) and calcination temperature (425–625 °C) were varied to evaluate their effects on morphology, acidity, and reaction kinetics and, as a result, to optimize the catalytic system for this transformation. …”
Publicado 2023
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1756“…To develop a high-performance adsorbent, a porous carbon material prepared from potassium citrate by the calcination method was applied in the adsorption of dye-containing water in this study. …”
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1757“…MnO(2) and Mn(2)O(3) nanoparticles were synthesized at different calcination temperatures using the co-precipitation method and characterized a microscopic technique TEM, and TGA. …”
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1758“…The NPs are produced by a calcination process of a precursor, which is an aqueous suspension of nanostructured Mg(OH)(2), in turn synthesized following our original, time-energy saving and scalable method able to guarantee short times, high yield of production (up to almost 10 kg/week of NPs), low environmental impact and low energy demand. …”
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1759por Finch, G L, Hoover, M D, Hahn, F F, Nikula, K J, Belinsky, S A, Haley, P J, Griffith, W C“…Initial animal studies examined beagle dogs that inhaled BeO calcined at either 500 or 1000 degrees C. At similar lung burdens, the 500 degrees C BeO induced more severe and extensive granulomatous pneumonia, lymphocytic infiltration into the lung, and positive Be-specific lymphocyte proliferative responses in vitro than the 1000 degrees C BeO. …”
Publicado 1996
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1760“…A simple and mild wet-chemical approach was developed for the synthesis of one-dimensional (1D) In(OH)(3) nanostructures. By calcining the 1D In(OH)(3) nanocrystals in air at 250 °C, 1D In(2)O(3) nanocrystals with the same morphology were obtained. …”
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