Investigación: Envíos recientes
Mostrando ítems 1-20 de 9834
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New directions in metal phosphonate and fhosphinate chemistry
(MDPI www.mdpi.com/journal/crystals, 2019-05-24)In September 2018, the First EuropeanWorkshop on Metal Phosphonates Chemistry brought together some prominent researchers in the field of metal phosphonates and phosphinates with the aim of discussing past and current ... -
Danza y procesos cognitivos
(2020)La presente aportación es un extracto de los más recientes avances que desde la neurociencia dan luz al entendimiento de la danza, no solo del fenómeno cerebral relacionado con el aprendizaje y ejecución de esta, sino ... -
Dialectos en contacto. Acomodación y proyección de la identidad en contextos de inmigración. Análisis sociofonético y sociolingüístico de los inmigrantes rioplatenses en la ciudad de Málaga
(UMA Editorial, 2021-02-25)Nuestra tesis aborda los resultados del contacto dialectal de dos variedades mutuamente inteligibles del español: la variedad hablada por hablantes de clase media de la ciudad de Málaga (España) (MAL) y la variedad hablada ... -
Critical Edition with Commentaries of Plutarch's treatise De facie quae in orbe lunae apparet
(UMA Editorial, 2021-02-25)El tratado Περὶ τοῦ ἐμφαινομένου προσώπου τῷ κύκλῳ τῆς σελήνης − De facie quae in orbe lunae apparet (De facie en adelante) pertenece al corpus de Moralia de Plutarco. Conservado únicamente en dos manuscritos de los siglos ... -
La histori(et)a representada. Discurso, práctica y representación de la historia de España a través de sus cómics (1940-2018)
(UMA Editorial, 2021-02-25)La tesis doctoral La histori(et)a representada. Discurso, práctica y representación de la historia de España a través de sus cómics (1940-2018) pretende explorar la transmisión de la historia de España expresada en el medio ... -
¿Una revolución invisible? El pensamiento liberal y la pintura española en el siglo XIX
(UMA Editorial, 2021-02-25)El interés principal de este proyecto de tesis doctoral ha sido llevar a cabo un relato que permita articular una narrativa que vertebre la producción pictórica del siglo XIX. La centuria de las revoluciones convulsionó ... -
Empoderamiento laboral y social de la población egresada de la Universidad de Guadalajara (México)
(UMA Editorial, 2021-02-25)La educación, y en especial la del nivel superior, debe preparar a la ciudadanía para la vida, generando altas expectativas individuales y colectivas, para construir un mejor entorno social (Soto y Torres, 2016). Esta tesis ... -
Electricity Cost-Sharing in Energy Communities Under Dynamic Pricing and Uncertainty
(IEEE, 2021-02-15)Most of the prosumers nowadays are constrained to trade only with the supplier under a flat tariff or dynamic time-of-use price signals. This paper models and discusses the cost-saving benefits of flexible prosumers as ... -
High-Throughput Synthesis of Pillared-Layered Magnesium Tetraphosphonate Coordination Polymers: Framework Interconversions and Proton Conductivity Studies
(MDPI, www.mdpi.com/journal/inorganics, 2018-09-11)Novel pillared-layered framework materials were synthesized by high-throughput or microwave-assisted methodology that contain Mg2+ and the zwitterionic linker HDTMP (hexamethylenediamine-N,N,N0,N0-tetrakis(methylenephosphonic ... -
NH3/H2O-mediated proton conductivity and photocatalytic behaviour of Fe(II)-hydroxyphosphonoacetate and M(II)-substituted derivatives
(The Royal Society of Chemistry, 2019-12-27)Synthesis redesign and derivatisation of Fe(II)-hydroxyphosphonoacetate, incorporating different ammonia loads and M(II) isomorphic substitutions (M = Mn, Co and Zn), have been implemented. The NH3 adsorption led to materials ... -
Zinc(II), cobalt(II) and manganese(II) networks with phosphoserine ligand: Synthesis, crystal structures magnetic and conduction properties
(The Royal Society of Chemistry, 2017)A series of zinc(II), cobalt(II) and manganese(II) coordination networks with the phosphoserine ligand (Pser) is synthesized and characterized. Whereas in compounds 1 and 2 with the general formula [M(Pser)]n [M = Zn (1) ... -
Layered Lanthanide Sulfophosphonates and Their Proton Conduction Properties in Membrane Electrode Assemblies
(ACS publications, 2019-11-07)Metal phosphonates containing acidic groups exhibit a wide range of proton conduction properties, which may enhance the performance of membrane electrode assemblies (MEAs). In this work, focus is placed on proton conduction ... -
A Self-Folding Polymer Film Based on Swelling Metal–Organic Frameworks
(Wiley-VCH Verlag GmbH & Co., 2018-10-23)Herein, we exploit the well-known swelling behaviour of metal–organic frameworks (MOFs) to create a selffolding polymer film. Namely, we show that incorporating crystals of the flexible MOF MIL-88A into a polyvinylidene ... -
Highly efficient La0.8Sr0.2MnO3-δ - Ce0.9Gd0.1O1.95 nanocomposite cathodes for solid oxide fuel cells
(Elsevier, 2017-12-15)La0.8Sr0.2MnO3-δ-Ce0.9Gd0.1O1.95 (LSM-CGO) nanostructured cathodes are successfully prepared in a single process by a chemical spray-pyrolysis deposition method. The cathode is composed of nanometric particles of approximately ... -
Relationship between the Structure and Transport Properties in the Ce1−xLaxO2−x/2 System
(American Chemical Society, 2019-06-25)La-doped CeO2 materials have been widely investigated for potential applications in different high-temperature electrochemical devices, such as fuel cells and ceramic membranes for hydrogen production. However, the crystal ... -
Stability and electrochemical performance of nanostructured La2CuO4þd cathodes
(Elsevier, 2019-02-21)La2CuO4þd cathode layers are prepared by spray-pyrolysis deposition and their structural, microstructural and electrical properties are compared with those of submicrometric powders obtained from freeze-dried precursors. ... -
Phosphonate Decomposition-Induced Polyoxomolybdate Dumbbell-Type Cluster Formation: Structural Analysis, Proton Conduction, and Catalytic Sulfoxide Reduction
(ACS publications, 2019-08-12)The reaction of MoO4^2− with a number of phosphonic acids [bis-(phosphonomethyl)glycine, R,S-hydroxyphosphonoacetic acid, 1-hydroxyethane-1,1-diphosphonic acid, phenylphosphonic acid, aminotris(methylene phosphonic acid), ... -
Three-Component Copper-Phosphonate-Auxiliary Ligand Systems: Proton Conductors and Efficient Catalysts in Mild Oxidative Functionalization of Cycloalkanes
(ACS publications, 2018-08-13)The synthesis, structural characterization, topological analysis, proton conductivity, and catalytic properties are reported of two Cu(II)-based compounds, namely a dinuclear Cu(II) complex [Cu2(μ-VPA)2(phen)2(H2O)2]· 8H2O ... -
From light to heavy alkali metal tetraphosphonates (M = Li, Na, K, Rb, Cs): cation size-induced structural diversity and waterfacilitated proton conductivity
(The Royal Society of Chemistry, 2018-09)A family of alkali metal-based frameworks containing the tetraphosphonate ligand hexamethylenediamine- N,N,N′,N′-tetrakisIJmethylenephosphonic acid), HDTMP, is reported. A cation size-induced structural diversity, from ... -
Structural variability in M2+ 2-hydroxyphosphonoacetate moderate proton conductors
(De Gruyter, 2017)The structural variability of two series of Mg2+- and Zn2+- 2-hydroxyphosphonoacetates have been studied in the range of 25–80 °C and 95 % relative humidity in order to correlate the structure with the proton conductivity ...