Mostrando 341 - 360 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.13s Limitar resultados
  1. 341
    por Lee, Su-Bin, Paek, Seung-Min, Oh, Jae-Min
    Publicado 2021
    “…UV-vis diffusion reflectance spectroscopy showed that the calcination temperature affected particle size and electronic structure of AgNP. …”
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  2. 342
  3. 343
    “…Thus, the uptake increased from 100 ± 5 mg g(−1) to 604 ± 30 mg g(−1), for respectively the carbonated LDH and after calcination at 400 °C. The uptake with calcined solid after its reconstruction with Cl(−) or NO(3)(−) anions has also been studied. …”
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  4. 344
    “…A low calcination temperature (800 °C) provides an almost cubic rectangular-shaped ε-Fe(2)O(3) nanocrystal with an aspect ratio of 1.4, whereas a high calcination temperature (1000 °C) provides an elongated rod-shaped ε-Fe(2)O(3) nanocrystal with an aspect ratio of 3.3. …”
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  5. 345
    “…In this work, a series of Ce-MOF, GO@Ce-MOF, calcinated Ce-MOF, and calcinated GO@Ce-MOF were synthesized and used as high-proficient electrocatalysts for the oxygen evolution reaction. …”
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  6. 346
  7. 347
    “…The results revealed that chromia obtained at low calcination temperature (400 °C) is more active than those obtained at high calcination temperatures (600° or 800 °C) and this is ascribed to the smaller particle size and higher surface area of this sample. …”
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  8. 348
    “…We have proved that the incorporation of aluminum from the support into the zeolite layer does not occur, neither during the secondary growth nor through migration of aluminum species during calcination.…”
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  9. 349
    “…Finally, SEM imaging reveals that the mechanism responsible for the loss of activity is mainly pore-plugging when calcination is performed in helium, whereas extensive loss of surface area due to sintering is responsible for the deactivation when calcination is carried out in CO(2) at high temperature.…”
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  10. 350
    “…The calcination temperatures at 200, 300 and 400 °C in forming structure of ZnO NPs led to spherical nanoparticle, nanorod and nanoflake structures with a well-crystalline hexagonal wurtzite, respectively. …”
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  11. 351
  12. 352
  13. 353
    “…The metakaolinite-based geopolymer binders and composites were produced from three different types of aluminosilicates (one metakaolin and two calcined claystones) and a potassium alkaline activator. …”
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  14. 354
    “…Mixed shell powder containing five different types of mussel shells and green mussel shells were calcined for 2 h and 3 h, respectively. The time used for calcination of mixed shell powder and green mussel shells was different due to the different particle sizes of both shell wastes. …”
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  15. 355
    “…The optimized structure stability was obtained for the slow calcination profile (160 min) then the fast calcination profile (60 min) for temperatures up to 900 °C. …”
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  16. 356
    “…Metakaolin (MK) is one of the most sustainable cementitious construction materials, which is derived through a direct heating procedure known as calcination. Calcination process takes place substantially lower temperatures than that required for Portland cement, making it a more environmentally sustainable alternative to traditional cement. …”
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  17. 357
    “…The other branch of scorpions, Buthida, bear the related LKTx toxins (absent in Iurida), but lack calcins entirely. Analysis of sequences and molecular models demonstrates remarkable phylogenetic inertia within both calcins and LKTx genes. …”
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  18. 358
    “…The polyol mediated procedure was employed in combination with calcination induced synthesis of nanoparticles of numerous sizes obtained with the variation in calcination temperature from 500 to 900 ℃. …”
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  19. 359
    “…Hollow TiO(2) particles were obtained through calcination of the PSt/TiO(2) core-shell particles to burn off the PSt core or through dissolution of the core by tetrahydrofuran (THF). …”
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  20. 360
    “…Catalytic oxidation of o-xylene was investigated on CeO(2) nanocubes calcined at 350, 450, 550, and 650 °C, among which the samples calcined at 550 °C exhibited the highest activity and long durability. …”
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