Mostrando 1 - 20 Resultados de 6,796 Para Buscar 'niobio~', tiempo de consulta: 4.08s Limitar resultados
  1. 1
    por Eduok, Ubong
    Publicado 2020
    “…[Image: see text] In the present study, the corrosion resistance of a new niobium oxide/acrylate hybrid nanocomposite coating doped with niobia nanofibers is investigated. …”
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    “…Methyl-modified niobium-doped silica (Nb/SiO(2)) materials with various Nb/Si molar ratios (n(Nb)) were fabricated using tetraethoxysilane and methyltriethoxysilane as the silica source and niobium pentachloride as the niobium source by the sol–gel method, and the Nb/SiO(2) membranes were prepared thereof by the dip-coating process under an N(2) calcining atmosphere. …”
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    “…In this contribution measurements on bulk niobium and niobium film on copper samples are presented. …”
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    por Calatroni, S
    Publicado 2008
    “…We will give a historical overview of the niobium on copper sputtering technology for RF cavities and discuss the main advantages and disadvantages with respect to bulk niobium cavities. …”
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    “…Studies have been performed on the properties of niobium thin films sputtered onto solid niobium TM010 resonators at 1.5 GHz. …”
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    “…OBJECTIVES/SPECIFIC AIMS: The iobio project enables anyone (eg, diagnosticians, MDs, genetic counselors, citizen scientists) to perform useful analysis of genomic data, without a need to rely on bioinformaticians. iobio uses a novel real-time analysis framework, coupled with powerful visualizations delivered in a standard web browser. …”
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  13. 13
    por Bórquez, Jéssica, Brante, Antonio
    Publicado 2017
    “…Here, we studied the reproductive strategy of the Chilean endemic freshwater snail, Chilina dombeiana, in the Biobío River, one of the largest rivers in Chile. …”
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    “…In this work, PET was depolymerized to its bis(2-hydroxyethyl) terephthalate (BHET) monomer via glycolysis, using ethylene glycol (EG) in the presence of niobia-based catalysts. Using a sulfated niobia catalyst treated at 573 K, we obtained 100% conversion of PET and 85% yield toward BHET at 195 °C in 220 min. …”
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    “…Resistive losses induced by the presence of trapped magnetic flux in niobium superconducting films have been studied using 1.5 GHz microwaves. …”
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