Mostrando 521 - 540 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.18s Limitar resultados
  1. 521
    “…Upon calcination, WS(4)(2–) in the interlayer decomposes into WS(3) and then WS(2), releasing sulfur to sulfurize nickel in the sheets. …”
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  2. 522
    “…The defect site comprising of vanadium vacancy (V(v)) was generated through calcination under air and maxima at the BV-450 sample and proposed as the origin of the highest reaction rate constant (k) of photocatalytic POME removal among various calcination temperature treatments with a k value of 1.04 × 10(−3) min(−1). …”
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  3. 523
    “…In addition, depending on the calcination temperature, the crystallinity of the CeO(2)–Mg(OH)(2) and the surface acidity/basicity can be remarkably changed. …”
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  4. 524
    “…The crystallization of the Mn(6)Ce(0.3)In(0.7)O(x) catalyst was poor when calcined at 300 °C; however, the crystallization is excessive at a 500 °C calcination temperature. …”
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  5. 525
    “…The results showed that δ(18)O of U(3)O(8) is independent of the above-listed starting materials. δ(18)O values of 10 synthetic U(3)O(8) were similar (9.35 ± 0.46‰) and did not change as a function of calcination time or calcination temperature. We showed that the cooling rate of U(3)O(8) at the end of the synthesis process determines the final oxygen isotope composition, yielding a significant isotope effect on the order of 30‰. …”
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  6. 526
  7. 527
    “…The XRD analysis shows that the crystallinity of ZON samples calcined at 400–600 °C can be indexed to monoclinic ZrO(2); while the AZON samples calcined at 400–550 °C only show amorphous diffraction patterns. …”
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  8. 528
    “…The surface isoelectric point is 7.3 when calcined in a mixed atmosphere of N(2) (96%)/H(2) (4%), which is higher than that when calcined in air and vacuum. …”
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  9. 529
    “…[Image: see text] Novel Ce(x)Zr(1–x)O(2) (x = 0.67, 0.8, 0.9, 1.0) catalysts were designed and synthesized by solvothermal, calcination, and sol–gel methods and were used to catalyze oxidation of soot from diesel vehicle exhaust. …”
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  10. 530
    “…The adsorption effect of calcining and casting the biochar-bound Fe(3)O(4) obtained at different temperatures and different SFBC/Fe mass ratios were analyzed by batch experiments. …”
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  11. 531
  12. 532
    “…[Image: see text] The utilization of Mg–O–F prepared from Mg(OH)(2) mixed with different wt % of F in the form of (NH(4)F·HF), calcined at 400 and 500 °C, for efficient capture of CO(2) is studied herein in a dynamic mode. …”
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  13. 533
  14. 534
    por Li, Wenbing, Zeng, Tingying
    Publicado 2011
    “…The effects of the reaction temperature, mole ratio of SO(4) (2−) to Ti(4+), and the calcinations temperature on the particle size and crystal phase were investigated. …”
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  15. 535
    “…The use of powders of tamarind bark and peepal bark maintains the oxidation state of lead in Jarita Naga (lead oxide) as Pb(2+). The repeated calcination steps result in the formation of nano-crystalline lead sulphide, the main chemical species present in Naga bhasma.…”
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  16. 536
    “…The influence of calcination time on the phase transformation and crystallization kinetics of anodized titania nanotube arrays was studied using in-situ isothermal and non-isothermal synchrotron radiation diffraction from room temperature to 900 °C. …”
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  17. 537
    “…Herein, we report a new material (CIT-10) that consists of a two-dimensional layer (termed “rth” layer) that contains an 8 MR perpendicular to the layer. Calcination of CIT-10 forms pure-silica RTH (SSZ-50). …”
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  18. 538
    “…It was observed that the calcination of cow bone catalyst enhanced its conversion to apatite-CaOH. …”
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  19. 539
    “…WO(3)/TiO(2) was synthesized by sol-gel method at different calcination temperatures and at different concentrations of tungsten oxide. …”
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  20. 540
    “…By catalyst screening and reaction condition optimization, WO(X)/MCM-41 obtained by impregnating 20 wt % and calcining at 350 °C exhibited the highest solketal yield and catalytic stability.…”
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