[EN] The catalytic activity of gold depends on particle size, with the reactivity increasing as the particle diameter decreases. However, investigations into behaviour in the subnanometre regime (where gold exists as small ...
Process intensification by using well-defined solid catalysts
able to perform one-pot multistep reactions is one of the open
fronts in heterogeneous catalysis. This is even more relevant if
new, more efficient synthesis ...
The development of coatings has become technologically significant in many industries. A common approach in high temperature applications is the production of new thermal barrier coatings (TBCs). Laser cladding (LC) can ...
Rodríguez Muñiz, Gemma María; Gomis Vicens, Juan; Arques Sanz, Antonio; Amat Payá, Ana María; Marín García, Mª Luisa; Miranda Alonso, Miguel Ángel(Wiley-Blackwell, 2014-11)
In this work, a kinetic model, in combination with time-resolved experiments, is applied to assess the involvement of OH in the photodegradation of emerging pollutants (EPs) by means of advanced oxidation processes. In ...
[EN] A series of W-V-O catalysts with different m-WO3 and h-WO3 phase contents were hydrothermally synthesized by employing different tungsten, vanadium, and ammonium precursors and characterized by powder XRD, N-2 adsorption, ...
[EN] Ti6Al4V have been the most important and versatile titanium alloys currently used, due to their excellent combination of low density and good mechanical properties, despite their application temperature being limited ...
Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; Hwang, Young Kyu; Seo, You-Kyong; Corma Canós, Avelino; García Gómez, Hermenegildo(ROYAL SOC CHEMISTRY, 2011)
[EN] Three MIL-100 (Fe) samples differing in average crystal size (from 60-70 to >400 nm) have been synthesized by microwave heating using three HF/Fe 3+ ratios. Oxidation of diphenylmethane with tert-butylhydroperoxide ...
Alejandre Sánchez, Francisco J.; Flores-Alés, Vicente; Soler Núñez, Pilar; León Calzado, José(Universitat Politècnica de València, 2018-12-19)
[EN] The Cruz de Cerrajería is a wrought-iron cross forged in 1692 by the master locksmith Sebastián Conde. Its exposure to environmental elements, its structural characteristics and the inappropriate application of ...
Ruiz, R.; Caneschi, A.; Gatteschi, D.; Gaspar, A. B.; Real, J. A.; Fernández, I.; Muñoz Roca, María Del Carmen(Elsevier, 1999-11-01)
[EN] A new manganese(III)-1,10-phenanthroline-5,6-dione (phendione) complex possessing a putative Mn-2(mu-O) (mu-O2CMe)(2) core has been found to undergo a Ligand-based oxidative cleavage of the C(5)-C(6) bond in weak acid ...
Tortajada Pastor, Elisa(Universitat Politècnica de València, 2020-10-23)
[ES] Actualmente los motores de combustión interna, principalmente los de inyección
directa de gasolina (GDI) y diésel presentan como inconveniente las emisiones de
partículas de hollín, las cuales consisten en partículas ...
[EN] Gold nanoparticles smaller than similar to 2 nm show interesting catalytic properties arising from their size-determined electronic and geometrical structures. They are able to dissociate molecular O-2 with low ...
[EN] During oxidative depolymn. of lignin in aq. alk. medium using mol. oxygen as oxidant, the highly functionalized primary
phenolic monomers are not stable products, owing to various not fully identified secondary ...
This paper analyses the valuable information provided by the on-line measurements of pH and oxidation reduction potential (ORP) in a continuous single high ammonia removal over nitrite (SHARON) reactor. A laboratory-scale ...
Lázaro Mora, Javier(Universitat Politècnica de València, 2023-10-05)
[ES] Los aceites de origen marino son productos con un elevado valor nutricional, sin embargo, su alto contenido en ácidos grasos poliinsaturados los convierte en productos altamente susceptibles al deterioro oxidativo. ...
Gallego-Sánchez, Eva María; Paris, Cecilia; Martínez, Cristina; Moliner Marin, Manuel; Corma Canós, Avelino(The Royal Society of Chemistry, 2018-09-14)
[EN] Non surfactant cyclic alkylammonium can selectively decrease the rate of crystal growth along the x-y crystal axes during the synthesis of MWW zeolite. This results in an similar to 60 nm nanocrystalline zeolite that ...
El Kadib, Abdelkrim; Primo Arnau, Ana María; Molvinger, Karine; Bousmina, Mosto; Brunel, Daniel(Wiley-VCH Verlag, 2011-07-04)
The ability of chitosan biopolymer to coordinate vanadium, tungsten and molybdenum metallic species and to control their mineralisation growth provides a new family of surface-reactive organic-inorganic hybrid microspheres. ...
The determination of dimethoate using either its native chemiluminescent (CL) properties or its photoinduced chemiluminescence obtained by irradiation with a 15W low-pressure mercury lamp was studied. Thereby, two flow ...
Errandonea, Daniel; Kumar, R.S.; Achary, S.N.; Gomis Hilario, Oscar; Manjón Herrera, Francisco Javier; Shukla, R.; Tyagi, A.K.(American Institute of Physics (AIP), 2012-03-08)
In this paper we report a new high-pressure rhombohedral phase of Ce2Zr2O8 observed in high-pressure angle-dispersive x-ray diffraction and Raman spectroscopy studies up to nearly 12 GPa. The ambient-pressure cubic phase ...
Real Herraiz, Teresa Pilar; Montalbán Domingo, María Laura; Masanet Sendra, Claudio; Real Herráiz, Julia Irene(SAGE Publications, 2016-04)
[EN] During asphalt mixture service life, its structural and physical capabilities deteriorate progressively. A modal analysis using impact hammer excitation technique is put forward to measure the damping factor instead ...
[EN] The microstructure of rubber-modified polystyrene after thermal ageing at 90 °C and multiple extrusion was analyzed by time-domain nuclear magnetic resonance (TD-NMR) in a non-destructive manner. The transverse ...