Mostrando 761 - 780 Resultados de 8,547 Para Buscar '"Sol"', tiempo de consulta: 0.19s Limitar resultados
  1. 761
    “…Two titania photocatalysts have been prepared using the sol–gel method using TiCl(4) as a precursor, and two different alcohols, namely, ethanol or propanol (Et or Pr). …”
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  2. 762
    “…To this end, herein we investigate impacts of two variants such as Ti-doping amount and the annealing temperature on physical and chemical properties of sol–gel derived electrochromic WO(3) films. We use a wide range of titanium coupling agents (TCAs) as Ti-dopants ranging from 0 wt% to 20 wt% and vary the annealing temperature between 200 °C and 400 °C with 50 °C interval. …”
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  3. 763
    “…Here, we report a converse sol-to-gel transition derived from the planar to nonplanar photoisomer conversion, which is in sharp contrast to the conventional light-induced gel collapse. …”
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  4. 764
    “…We focus on observations acquired before the arrival of a regional dust storm (near Sol 50), on the furthest observed patch of soil (i.e., ∼3.5 m away from the edge of the lander deck) where temperatures are least impacted by the presence of the lander and where the soil has been least disrupted during landing. …”
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  5. 765
    “…Polyester fabric functionalized with halochromic silane-based coating shows the durability of halochromic properties conversely to fabric treated with plain alizarin red S, thus highlighting the potentiality of the sol-gel approach in developing durable halochromic coating on synthetic substrates. …”
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  6. 766
    “…Hybrid coatings of SiO(2) and recycled unsaturated polyester resin (R-UPR) from recycled polyethylene-terephthalate (PET) were prepared by the sol-gel process on glass substrates. First, SiO(2) was synthesized by the sol-gel process using a tetraethyl orthosilicate (TEOS) solution. …”
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  7. 767
  8. 768
    “…This publication presents the results of studies on the sol-gel transition of chitosan solutions as the base material for the preparation of thermosensitive hydrogels for potential applications in tissue engineering. …”
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  9. 769
    “…Commercial cellulase Cellic CTec2 was immobilized by the entrapment technique in sol–gel matrices, and sol–gel entrapment with deposition onto magnetic nanoparticles, using binary or ternary systems of silane precursors with alkyl- or aryl-trimethoxysilanes, at different molar ratios. …”
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  10. 770
    “…Composite silica-titania waveguide films of refractive index ca. 1.8 are fabricated on glass substrates using a sol-gel method and dip-coating technique. Tetraethyl orthosilicate and tetraethyl orthotitanate with molar ratio 1:1 are precursors. …”
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  11. 771
    “…The detection of CO is imperious because of its high toxicity, with long-term exposure having a negative impact on human health. Using a feasible sol–gel method, the doped ITO thin films were prepared at room temperature and deposited onto various substrates (Si, SiO(2)/glass, and glass). …”
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  12. 772
    “…When the initial sol-state colloid absorbed acid gas products from coal combustion, the pH value decreased and a large amount of Ca(2+) in Ca-Bt precipitated, thus immediately growing calcium bridges with LMP molecules that formed a three-dimensional network structure for gelation. …”
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  13. 773
    por Thaler, Malcolm S.
    Publicado 2008
    Libro
  14. 774
    Libro
  15. 775
  16. 776
  17. 777
  18. 778
  19. 779
  20. 780
    “…For this purpose, diopside was synthesized using a sol–gel method. Then, for preparing the nanocomposite, 2, 4, and 6 wt% diopside were added to a glass ionomer cement (GIC). …”
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