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A reduction theorem for a conjecture on products of two ¿-decomposable groups

Kazarin, L. S.; Martínez Pastor, Ana; Perez Ramos, Maria Dolores (Elsevier, 2013-04-01)

[EN] For a set of primes pi, a group X is said to be pi-decomposable if X = X-pi x X-pi' is the direct product of a pi-subgroup X-pi and a pi'-subgroup X-pi', where pi' is the complementary of pi in the set of all prime ...
Acoustical hooks: A new subwavelength self-bending beam

Rubio Michavila, Constanza; Tarrazó-Serrano, Daniel; Minin, Oleg V.; Uris Martínez, Antonio; Minin, Igor V. (Elsevier, 2020-03)

[EN] In this work, we report the first experimental observation of a new type of near-field curved acoustic beam confirmed by simulations. This new curved acoustical beam is generated by asymmetric distribution of the ...
Characterization of an anion-exchange membrane subjected to phosphate and sulfate separation by electrodialysis at overlimiting current density condition

Rotta, Eduardo Henrique; Marder, Luciano; Pérez-Herranz, Valentín; Moura Bernardes, Andréa (Elsevier, 2021-10-01)

[EN] The structural degradation of an anion-exchange membrane used on the separation of phosphate from sulfate ions at overlimiting current density conditions was investigated. To this, the chemical structure changes, ...
Effect of Gas Atmosphere on Catalytic Behaviour of Zirconia, Ceria and Ceria Zirconia Catalysts in Valeric Acid Ketonization

Zaytseva, Yu. A.; Panchenko, V. N.; Simonov, M. N.; Shutilov, A. A.; Zenkovets, G. A.; Renz, Michael; Simakova, I. L.; Parmon, V. N. (Springer Verlag (Germany), 2013-06)

[EN] Ketonization of valeric acid, which can be obtained by lignocellulosic biomass conversion, was carried out in a fixed bed flow reactor over ZrO2, 5-20 % CeO2/ZrO2 and CeO2 both under hydrogen and nitrogen stream at ...
Effect of ultrasound preinsonification of solutions on the structuring of dried microdrop trails

Camarena Femenia, Francisco; Makov, Yu. N. (MAIK NAUKA/INTERPERIODICA/SPRINGER, 2011-09)

The effect of ultrasound preinsonification of a solution on the kinetics and end result of the drying (evaporation) of a microdrop of this solution on a substrate was examined. The results of experiments with salt solution ...
Enhanced Photocatalytic Activity and Stability in Hydrogen Evolution of Mo(6)Iodide Clusters Supported on Graphene Oxide

Puche Panadero, Marta; García-Aboal, Rocío; Mikhaylov, Maxim A.; Sokolov, Maxim N.; Atienzar Corvillo, Pedro Enrique; Feliz Rodriguez, Marta (MDPI AG, 2020-07)

[EN] Catalytic properties of the cluster compound (TBA)2[Mo6Ii8(O2CCH3)a6] (TBA = tetrabutylammonium) and a new hybrid material (TBA)2Mo6Ii8@GO (GO = graphene oxide) in water photoreduction into molecular hydrogen were ...
Evaluation by Means of Electrochemical Impedance Spectroscopy of the Transport of Phosphate Ions through a Heterogeneous Anion-Exchange Membrane at Different pH and Electrolyte Concentration

Rotta, Eduardo Henrique; Martí Calatayud, Manuel César; Pérez-Herranz, Valentín; Moura Bernardes, Andréa (MDPI AG, 2023-01)

[EN] Electrodialysis is an innovative technique to reclaim phosphates from municipal wastewater. However, chemical reactions accompany the transport of these ions through ion-exchange membranes. The present study investigates ...
Impact of chirality on the photoinduced charge transfer in linked systems containing naproxen enantiomers

Khramtsova, E.A.; Sosnovsky, D.V.; Ageeva, A.A.; Nuin Plá, Neus Edurne; Marín García, Mª Luisa; Purtov, P.A.; Borisevich, S.S.; Khursan, S.L.; Roth, H.D.; Miranda Alonso, Miguel Ángel; Plyusnin, V.F.; Leshina, T.V. (Royal Society of Chemistry, 2016-05-14)

[EN] The model reaction of photoinduced donor-acceptor interaction in linked systems (dyads) has been used to study the comparative reactivity of a well-known anti-inflammatory drug, (S)-naproxen (NPX) and its (R)-isomer. ...
Implementation of game methods in the preparation of management personnel

Vinichenko, Mikhail; Melnichuk, Alexander; Makushkin, Sergey (Editorial Universitat Politècnica de València, 2018-07-02)

[EN] The search for increasing the effectiveness of training leads to the use of innovative technologies, which include gaming. The purpose of this article was to identify the extent and nature of the introduction of gaming ...
Kinetic and MD modelling of automotive fuel droplets heating and evaporation: recent results

Sazhin, Sergei; Shishkova, Irina (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] Recent results of the investigation of kinetic and molecular dynamics (MD) models for automotive fuel droplet heating and evaporation are summarised. The kinetic model is based on the consideration of the kinetic ...
Low field photo-CIDNP in the intramolecular electron transfer in naproxen-pyrrolidine dyads

Magin, I.M.; Polyakov, N.E.; Kruppa, A. I.; Purtov, P.A.; Leshina, T. V.; Kiryutin, A. S.; Miranda Alonso, Miguel Ángel; Nuin Plá, Neus Edurne; Marín García, Mª Luisa (Royal Society of Chemistry, 2016-01-14)

[EN] Photoinduced processes with partial (exciplex) and full charge transfer in donor-acceptor systems are of interest because they are frequently used for modeling drug-protein binding. Low field photo-CIDNP (chemically ...
Nanostructured Hybrids Based on Tantalum Bromide Octahedral Clusters and Graphene Oxide for Photocatalytic Hydrogen Evolution

Hernandez-Niño, Jhon Sebastian; Shamsurin, Maxim; Puche Panadero, Marta; Sokolov, Maxim N.; Feliz Rodriguez, Marta (MDPI AG, 2022-10)

[EN] The generation of hydrogen (H2) using sunlight has become an essential energy alternative for decarbonization. The need for functional nanohybrid materials based on photo- and electroactive materials and accessible ...
On some topological invariants for morphisms defined in homological spheres

Benkafadar, Nasreddine Mohamed; Gel'man, Boris Danielovich (Editorial Universitat Politècnica de València, 2015-04-01)

[EN] In the paper one defines topological invariants of type degree for morphisms in the category Top₍₂₎ of topological pairs of spaces and continuous single valued maps, which admit homological n-spheres as target and ...
On Sylow normalizers of finite groups

Kazarin, Lev; Martínez Pastor, Ana; Perez Ramos, Maria Dolores (World Scientific Publishing, 2014-05)

[EN] The paper considers the influence of Sylow normalizers, i.e. normalizers of Sylow subgroups, on the structure of finite groups. In the universe of finite soluble groups it is known that classes of groups with nilpotent ...
On the product of two π-decomposable groups

Kazarin, L. S.; Martínez Pastor, Ana; Perez Ramos, Maria Dolores (European Mathematical Society-Publishing House, 2015)

[EN] The aim of this paper is to prove the following result: let π be a set of odd primes. If the finite group G = AB is a product of two π-decomposable subgroups A = Oπ(A)×Oπ (A) and B = Oπ(B)×Oπ (B), then Oπ(A)Oπ(B)=Oπ(B)Oπ(A) ...
On the Sylow graph of a finite group

Kazarin, S. L.; Martínez Pastor, Ana; Pérez-Ramos, M.D. (Springer Verlag (Germany), 2011-11)

Let G be a finite group and Gp be a Sylow p-subgroup of G for a prime p in pi(G), the set of all prime divisors of the order of G. The automiser Ap(G) is defined to be the group NG(Gp)/GpCG(Gp). We define the Sylow graph ...
Ontology rules application for efficient career choice

Startseva, Elena; Grimaylo, Andrey; Chernyahovskaya, Liliya; LLopis Pascual, Fernando (Editorial Universitat Politècnica de València, 2019-07-05)

[EN] The aim of this work is to help university applicants in their transition phase from high-school to tertiary education starting with their first life-long decision concerning their choice of the field of study. The ...
Search for Multimessenger Sources of Gravitational Waves and High-energy Neutrinos with Advanced LIGO during Its First Observing Run, ANTARES, and IceCube

Albert, A.; Andre, M.; Anghinolfi, M.; Ardid Ramírez, Miguel; Aubert, J.J.; Aublin, J.; Avgitas, T.; Baret, B.; Barrios-Marti, J.; Basa, S.; Belhorma, B.; Bertin, V.; Biagi, S.; Bormuth, R.; Boumaaza, J.; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María (American Astronomical Society, 2019-01-10)

[EN] Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or core-collapse supernovae, can drive relativistic outflows, giving rise to non-thermal high-energy emission. High-energy ...
Selective hydrogenation of 1,3-butadiene and 1-butyne over a Rh/chitosan catalyst investigated by using parahydrogen-induced polarization

Barskiy, Danila A; Kovtunov, Kirill V.; Primo Arnau, Ana María; Corma Canós, Avelino; Kaptein, Robert; Koptyug, Igor V (Wiley-VCH Verlag, 2012-12)

[EN] Hydrogenation of 1,3-butadiene and 1-butyne over the Rh/chitosan catalyst in gaseous and liquid phases was investigated by using the NMR and parahydrogen-induced polarization technique. The Rh/chitosan system was a ...
Spin chemistry investigation of peculiarities of photoinduced electron transfer in donor-acceptor linked system

Magin, I.M.; Polyakov, N.E.; Khramtsova, E.A.; Kruppa, A.I.; Stepanov, A.; Purtov, P.A.; Leshina, T.V.; Tsentalovich, Yu.T.; Miranda Alonso, Miguel Ángel; Nuin Plá, Neus Edurne; Marín García, Mª Luisa (Springer Verlag (Germany), 2011-12)

Photoinduced intramolecular electron transfer in linked systems, (R,S)- and (S,S)-naproxen-N-methylpyrrolidine dyads, has been studied by means of spin chemistry methods [magnetic field effect and chemically induced ...