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Andrea Jouve, Stefano Cattaneo, Daniel Delgado, Nicola Scotti, Claudio Evangelisti, José M. López Nieto and Laura Prati
In this study, niobia-based materials have been used as supports for Pt nanoparticles and used in the hydrogenation of furfural. The incorporation of dopants (W6+ and Ti4+) in the Nb2O5 structure induced modifications in the surface acidity of the suppor...
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Dmitry Wainstein and Anatoly Kovalev
This paper generalizes the results of our research, which was aimed at the development of adaptive cutting tool coatings for high speed dry cutting, from the inception of the idea to complex multilayer coatings for processing tough metals. Typically, the...
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Anton Dubrovskiy, Maksim Okunev, Olga Makarova and Sergey Kuznetsov
The interaction of substrates from ceramics, beryllium, and carbopyroceram with the electrolyte for the electrodeposition of niobium coatings was investigated. The corrosion resistance of spherical ceramic and beryllium samples with the protective molybd...
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Marian V. Lupulescu, Jeffrey R. Chiarenzelli, Mark E. Pecha, Jared W. Singer and Sean P. Regan
Columbite crystals from niobium-yttrium-fluorine (NYF) pegmatites lacking zircon or containing metamict cyrtolite were analyzed for major and minor elements (Electron Microprobe (EMP)), trace elements (Laser Ablation-Inductively Coupled Plasma-Mass Spect...
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Nádia Regina Camardo Fernandes Machado, Roberta Carolina Pelissari Rizzo, Robson Pablo Sobradiel Peguin (Author)
Pág. 1637 - 1642
Cu/Nb2O5 and Cu/Nb2O5/Al2O3 were studied as catalysts in ethanol steam-reforming for hydrogen production. They were prepared through impregnation, with different copper and Nb2O5 concentrations. Cu/ZnO/Al2O3 (G66), a commercial catalyst for methanol refo...
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