Mostrando 581 - 600 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.16s Limitar resultados
  1. 581
    “…In addition, the diffuse reflectance spectra and the emission spectrum of samples with different calcination temperatures were also characterized. Both demonstrated, when the calcination temperature is greater than 600 °C, that the sample crystallizes and has a significant emission, which is consistent with the XRD and TG-DSG results. …”
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  2. 582
    “…In addition, casein induces porosity within the zinc phosphate framework and provides macropores (diameter of >50 nm) during calcination. The antibacterial properties against Escherichia coli K12 bacteria of Ag-containing and Ag-free porous zinc phosphates (calcined at 750 °C) were also tested for the first time.…”
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  3. 583
    “…The influences of ZrP calcination temperatures, green tea extraction conditions, and the amounts of ZrP on the isolation of strictinin-rich tea polyphenol were evaluated; the absorption and desorption dynamics of strictinin on ZrP were also determined. …”
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  4. 584
    “…It was found that Rh-STO interacted with in situ generated P atoms from the decomposition of P-CN during the calcination process, thus leading to the formation of heterojunction of P-CN/Rh-STO. …”
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  5. 585
    “…Therefore, a modified preparation method, calcination through residual heating, was developed to achieve rapid preparation and thermal exfoliation of g-C(3)N(4) simultaneously. …”
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  6. 586
    “…Calcined fly ash (CFA) was first obtained by calcining fly ash (FA) at 815 °C for two hours. …”
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  7. 587
    “…The Cu/ZnO catalysts derived from calcination of the washed and unwashed precursors show catalytic performance comparable to the commercial Cu/ZnO/Al(2)O(3) catalyst in CO(2) hydrogenation at 240–280 °C and 331 bar. …”
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  8. 588
    “…By virtue of the reduction property of carbon, the valence of Cu was regulated by simply adjusting the calcination temperature. The high concentration of Cu(+) generated from the reduction of CuO by ASC during calcination can collaborate to form Cu(2+)/Cu(+) circulation. …”
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  9. 589
    “…CuO–CeO(2)/SiO(2) catalysts lose activity when they are calcined at 600 °C and temperatures above. This loss of activity was related to a decrease in the amount of highly dispersed Cu species interacting with Ce (CuO–CeO(2) interface) over the SiO(2) support. …”
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  10. 590
    “…The products were calcined at various temperatures, and the microstructural and dielectric properties of the BaTiO(3) prepared for the two processes were analyzed and compared. …”
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  11. 591
    “…High Eu(3+) ion loading and high temperature calcination do not destroy the ordered cubic mesoporous structure of the mesoporous silica thin films. …”
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  12. 592
    “…Polymethylmethacrylate (PMMA)/ceria composite fibres were synthesized by using a sequential combination of polymer electrospinning, spray-coating with a sol, and a final calcination step to yield microstructured ceria tubes, which are composed of nanocrystalline ceria particles. …”
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  13. 593
    “…In this study bioactive glass is prepared by the sol gel process and stabilized by a novel method that involves a solvent instead of the conventional calcinations process. This study represents the first attempt to use this method for the stabilization of bioactive glass. …”
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  14. 594
    “…In this work, we show that phase-junction TiO(2) is directly synthesized from Ti foil by using a simple calcination method with hydrothermal solution as the precursor below the phase transition temperature. …”
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  15. 595
    “…The emission intensity was enhanced as the calcination temperature increased from 830 to 1030 °C, but decreased dramatically with the increase of Ce(3+) doping concentration from 0.55 to 5.50 at.% due to the concentration quenching. …”
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  16. 596
    “…ZnO prepared with a composite ratio of 4:1 and calcination temperature of 400 °C exhibited 99.70% removal rate for MO. …”
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  17. 597
    “…To optimize the contact between the titania and the gold and facilitate electron transfer, the PVP is removed by calcination at mild temperatures. The nanocatalysts activity is then evaluated in the photocatalytic production of hydrogen from water/ethanol mixtures in gas-phase at ambient temperature. …”
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  18. 598
    “…Cadmium oxide semiconductor nanoparticles were produced using a water based mixture, incorporating cadmium nitrates, polyvinyl pyrrolidone (PVP), and calcination temperature. An X-ray diffraction (XRD) evaluation was conducted to determine the degree of crystallization of the semiconductor nanoparticles. …”
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  19. 599
    “…In this work, we compare the CO oxidation performance of Pt single atom catalysts (SACs) prepared via two methods: (1) conventional wet chemical synthesis (strong electrostatic adsorption–SEA) with calcination at 350 °C in air; and (2) high temperature vapor phase synthesis (atom trapping–AT) with calcination in air at 800 °C leading to ionic Pt being trapped on the CeO(2) in a thermally stable form. …”
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  20. 600
    por Liu, Guanhao, Yang, Jingyi, Xu, Xinru
    Publicado 2020
    “…The mixed metal oxides S-CaMgAl MO prepared by acidolysis, coprecipitation and calcination under different temperatures from S95 steel slag of Shanghai Baosteel Co., Ltd. were used to catalyze the transesterification of dimethyl carbonate (DMC) and glycerol for synthesizing glycerol carbonate (GC). …”
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