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Listar por palabra clave "Selectivity"

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Desarrollo de una plataforma web para la preparación de estudiantes de segundo de bachillerato para la EVAU

Molina Gandía, Roberto (Universitat Politècnica de València, 2024-10-16)

[ES] El proyecto tratará sobre el desarrollo de una aplicación web llamada ‘PrepEVAU’ que incluirá varias funcionalidades orientadas a la ayuda de estudiantes que se estén preparando para los exámenes de acceso a la ...
Designing bifunctional acid-base mesoporous hybrid catalysts for cascade reactions

Gianotti, Enrica; Díaz Morales, Urbano Manuel; Velty, Alexandra; Corma Canós, Avelino (Royal Society of Chemistry, 2013)

[EN] Bifunctional mesoporous hybrid materials, containing both proton sponges and acid groups, have been prepared following different synthetic routes: co-condensation processes (sol-gel or micellar one-pot routes) or ...
Estudio de flujo de carga y coordinación de protecciones de la red eléctrica de la Universidad Politécnica

Ballester Sánchez, Daniel (Universitat Politècnica de València, 2021-02-03)

[ES] El presente trabajo expone los estudios de flujo de cargas, corrientes de cortocircuito y coordinación de las protecciones de la red eléctrica de la Universidad Politécnica de Valencia. Desde su distribución en media ...
Estudio de la hidrogenación quimioselectiva de ésteres de ácidos grasos a alcoholes grasos mediante catalizadores metálicos soportados

Quintero Ramos, Diego (Universitat Politècnica de València, 2021-12-29)

[ES] Los alcoholes grasos o alcoholes de cadena larga suelen ser compuestos de elevado peso molecular y de cadena lineal con un número de átomos de carbono comprendido entre 6 y 26 átomos, dependiendo de la materia prima ...
FileSwift: Diseño de interfaz y experiencia de usuario de una aplicación para la preparación para la EBAU

Palomar Gimeno, María (Universitat Politècnica de València, 2024-10-24)

[ES] El Trabajo de Fin de Grado se centra en el diseño de interfaz y experiencia de usuario de una aplicación escolar destinada a apoyar a los estudiantes que se preparan para las pruebas de bachillerato para el Acceso a ...
Hybrid organic-inorganic structured materials as single-site heterogeneous catalysts

Díaz Morales, Urbano Manuel; Boronat Zaragoza, Mercedes; Corma Canós, Avelino (Royal Society, The, 2012-07-08)

Catalyst selectivity is associated with well-defined homogeneous active sites. Transition metal complexes and organocatalysts are highly active and selective in the homogeneous phase, and their heterogenization by incorporating ...
Improving the catalytic performance of SAPO-18 for the methanol-to-olefins (MTO) reaction by controlling the Si distribution and crystal size

Martínez Franco, Raquel; Li, Zhibin; Martínez Triguero, Luis Joaquín; Moliner Marin, Manuel; Corma Canós, Avelino (Royal Society of Chemistry, 2016)

[EN] The physico-chemical properties of the small pore SAPO-18 zeotype have been controlled by properly selecting the organic molecules acting as organic structure directing agents (OSDAs). The two organic molecules selected ...
Increased photocatalytic activity and selectivity towards methane of trimetallic NiTiAl-LDH

Molina-Muriel, Manuel; Peng, Yong; García Gómez, Hermenegildo; Ribera, Antonio (Elsevier, 2022-03-15)

[EN] Layered double hydroxides is a rising family of materials with interesting photocatalytic properties that are starting to be employed on the CO2 photoreduction to useful chemicals. However, the selectivity control ...
Mechanism of selective alcohol oxidation to aldehydes on gold catalysts: influence of surface roughness on reactivity

Boronat Zaragoza, Mercedes; Corma Canós, Avelino; Illas, Francesc; Radilla, Juan; Ródenas, Tania; Sabater Picot, Mª José (Elsevier, 2011)

[EN] The complete reaction pathway for the selective alcohol oxidation to aldehyde has been obtained from periodic density functional theory (DFT) calculations on a series of catalyst models having Au atoms with different ...
Microwave Filters in Planar and Hybrid Technologies with Advanced Responses

Marín Martínez, Sandra (Universitat Politècnica de València, 2022-10-31)

[ES] La presente tesis doctoral tiene como principal objetivo el estudio, diseño, desarrollo y fabricación de nuevos dispositivos pasivos de microondas, tales como filtros y multiplexores con respuestas avanzadas para ...
Nanocrystalline SSZ-39 zeolite as an efficient catalyst for the methanol-to-olefin (MTO) process

Martín García, Nuria; Li, Zhibin; Martínez Triguero, Luis Joaquín; Yu, Jihong; Moliner Marin, Manuel; Corma Canós, Avelino (Royal Society of Chemistry, 2016)

[EN] The synthesis of nanosized SSZ-39 zeolite has been achieved using a high silica FAU zeolite as the Si and Al source and tetraethylphosphonium (TEP) cations as OSDAs. The obtained SSZ-39 material shows a remarkably ...
Nernst-Planck model of photo-triggered, pH-tunable ionic transport through nanopores functionalized with "caged" lysine chains

Nasir, Saima; Ramirez Hoyos, Patricio; Ali, Mubarak; Ahmed, Ishtiaq; Fruk, Ljiliana; Mafé, Salvador; Ensinger, Wolfgang (American Institute of Physics (AIP), 2013-01-21)

We describe the fabrication of asymmetric nanopores sensitive to ultraviolet (UV) light, and give a detailed account of the divalent ionic transport through these pores using a theoretical model based on the Nernst-Planck ...
New Zealand White rabbits show non-selective nursing in various types of nests

González-Mariscal, G; Gallegos, J.A. (World Rabbit Science. ICTA. UPV, 2007)

[EN] We investigated the capacity of New Zealand White female rabbits to nurse their litter in a nestdifferent from their own (i.e., from another female, in a box containing synthetic or male hair, or in a new boxcontaining ...
On the selective transport of mixtures of organic and inorganic anions through anion-exchange membranes: A case study about the separation of nitrates and citric acid by electrodialysis

Martí Calatayud, Manuel César; Ruiz-García, M.; Pérez-Herranz, Valentín (Elsevier, 2025-02-19)

[EN] Electrodialysis is finding an increasing number of applications, recently also in the separation and purification of organic acids. This technology involves reducing the use of chemicals and the generation of wastes, ...
Photocatalytic CO2 Reduction to C2+Products

Albero-Sancho, Josep; Peng, Yong; García Gómez, Hermenegildo (American Chemical Society, 2020-05-15)

[EN] There is a considerable interest in the development of photocatalytic CO2 conversion by sunlight, since this process has similarities with natural photosynthesis on which life on Earth is based. At the moment, most ...
Reversible Transformation of Pt Nanoparticles into Single Atoms inside High-Silica Chabazite Zeolite

Moliner Marin, Manuel; Gabay, Jadeene E.; Kliewer, Chris E.; Carr, Robert T.; Guzman, Javier; Casty, Gary L.; Serna Merino, Pedro Manuel; Corma Canós, Avelino (American Chemical Society, 2016-12-07)

[EN] We report the encapsulation of platinum species in highly siliceous chabazite (CHA) crystallized in the presence of N,N,N-trimethyl-1-adamantammonium and a thiol-stabilized Pt complex. When compared to Pt/SiO2 or ...
Selective phenol hydrogenation in aqueous phase on Pd-based catalysts supported on hybrid TiO2-carbon materials

Matos Lale, Juan; Corma Canós, Avelino (Elsevier, 2011-09-19)

TiO2-C materials have been prepared by solvothermal and slurry synthesis and the influence of carbon properties upon the catalytic activity and selectivity of Pd-based catalysts on phenol hydrogenation in aqueous phase ...
Synthesis and structure determination of a new microporous zeolite with large cavities connected by small pores

Hernández Rodríguez, Manuel; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Corma Canós, Avelino (AMER CHEMICAL SOC, 2012)

[EN] A new small-pore germanosilicate zeolite, named as ITQ-49, has been synthesized using a new ditetraalkylphosphonium dication as an organic structure-directing agent, and its structure has been solved by direct methods ...
Target strength of skipjack tuna (Katsuwanus pelamis) associated with fish aggregating devices (FADs)

Boyra, G .; Moreno, G.; Sobradillo, B.; Pérez Arjona, Isabel; Sancristóbal, I.; Demer, David (Oxford University Press, 2018)

[EN] This paper presents measures of target strength (TS; dB re 1 m(2)) and models of TS vs. fork length (L; cm), i.e. TS = 20log(L) + b(20), for skip-jack tuna associated with fish aggregating devices (FADs) in the Central ...
Theoretical and experimental insights into the origin of the catalytic activity of subnanometric gold clusters: attempts to predict reactivity with clusters and nanoparticles of gold

Boronat Zaragoza, Mercedes; Leyva Perez, Antonio; Corma Canós, Avelino (American Chemical Society, 2014-03)

[EN] Particle size is one of the key parameters determining the unexpected catalytic activity of gold, with reactivity improving as the particle gets smaller. While this is valid In the 1-5 nm range, chemists are now ...