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Functionalised Poly(Vinyl Alcohol)/Graphene Oxide as Polymer Composite Electrolyte Membranes

Journal of renewable Materials 2019年第7期7卷 655-665页

作者： O.Gil-Castell r.cerveró r.Teruel-Juanes J.D.Badia A.ribes-Greus Instituto de Tecnología de Materiales(ITM) Universitat Politècnica de València(UPV)Camino de Vera s/nValenciaSpain Departament d’Enginyeria Química Escola Tècnica Superior d’EnginyeriaUniversitat de València(UV)Av.de la Universitat s/nBurjassotSpain

Crosslinked poly(vinyl alcohol)(PVA)based composite films were prepared as polyelectrolyte membranes for low temperature direct ethanol fuel cells(DEFC).The membranes were functionalised by means of the addition of graphene oxide(GO)and sulfonated graphene oxide(SGO)and crosslinked with sulfosuccinic acid(SSA).The chemical structure was corroborated and suitable thermal properties were *** the addition of GO and SGO slightly decreased the proton conductivity of the membranes,a significant reduction of the ethanol solution swelling and crossover was encountered,more relevant for those functionalised with *** general,the composite membranes were stable under simulated service *** addition of GO and SGO particles permitted to buffer the loss and almost retain similar proton conductivity than prior to *** membranes are alternative polyelectrolytes,which overcome current concerns of actual commercial membranes such as the high cost or the crossover phenomenon.

关键词： Direct ethanol fuel cell graphene oxide poly(vinyl alcohol) proton exchange membranes proton conductivity

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A Note on the Lie Algebra of the Invariants in the CBS Nonlinear Equation

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Journal of Modern Physics 2018年第6期9卷 1297-1303页

作者： Jose M. cerveró Fsica Teórica Facultad de Ciencias Universidad de Salamanca Salamanca Spain

In this short note, a particular realization of the vector fields that form a Lie Algebra of symmetries for the Calogero-Bogoyavleskii-Schiff equation is found. The Lie Algebra is examined and the result is a semidirect product of two Lie Groups. The structure of the semidirect product is examined through the table of commutation rules. Two reductions are made with the help of two sets of generators and the final outcome for the solution is related to the elliptic Painlevé P(ξ)-function.

关键词： Nonlinear Integrability Group Theory Weierstrass P-Elliptic Function

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Exact Propagator of a Two Dimensional Anisotropic Harmonic Oscillator in the Presence of a Magnetic Field

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Journal of Modern Physics 2017年第4期8卷 500-510页

作者： Jose M. cerveró Department de Fsica Fundamental Facultad de Ciencias Universidad de Salamanca Salamanca Spain

In this paper we solve exactly the problem of the spectrum and Feynman propagator of a charged particle submitted to both an anharmonic oscillator in the plane and a constant and homogeneous magnetic field of arbitrary strength aligned with the perpendicular direction to the plane. As we shall see in the beginning of the letter, the Hamiltonian, being a quadratic form, is easily diagonalizable and the Classical Action can be used to construct the exact Feynman Propagator using the Stationary Phase Approximation. The result is useful for the treatment of quasi two dimensional samples in the field of magnetic effects in nano-structures and quantum optics. The presented solution, after minor extensions, can also be used for motion in three dimensions, and in fact it has been used for years in such cases. Also it can be used as a good exercise of a Feynman Path Integral that can be calculated easily with just the help of the Classical Action.

关键词： Quantum Mechanics Path Integrals and Propagators

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类似先天性感染的遗传综合征

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世界核心医学期刊文摘（儿科学分册） 2005年第10期1卷 58-59页

作者： Sanchis A. cerver L. Bataller A. M.L. Martnez-Fras 宁亮 CIAC Instituto de Salud Carlos III Pabelln 6Sinesio Delgado 6 Madrid 28029 Spain Dr.

Genetic syndromes that mimic congenital infection are important to recognize b ecause of the associated risk of recurrence. We describe two brothers born to consanguineous parents with clini cal features suggestive of intrauterine infection but with negative serologic in vestigations. Our observations suggest that Aicardi-Goutiéres syndrome (AGS) a nd pseudo-TOrCH syndrome likely represent the same disorder.

关键词：先天性感染同胞兄弟宫内感染 TOrCH 血清学

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