Browsing Artículos de revista InaMat - InaMat aldizkari artikuluak by Title
Now showing items 1-20 of 111
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Adsorption of rhodamine 6G and humic acids on composite bentonite-alginate in single and binary systems
Gomri, Fatima; Finqueneisel, Gisele; Zimny, Thierry; Korili, Sophia A.
; Gil Bravo, Antonio ; Boutahala, Mokhtar (Springer, 2018)
Artículo / Artikulua 
In this work, the preparation, characterization, and sorption of rhodamine 6G and humic acids on a composite sodium alginate-bentonite were investigated. Their structure and morphology were analyzed by several techniques, ... -
Adsorption recovery of Ag(I) and Au(III) from an electronics industry wastewater on a clay mineral composite
Rakhila, Youness; Elmchaouri, Abdellah; Mestari, Allal; Korili, Sophia A.; Abouri, Meriem; Gil Bravo, Antonio (University of Science and Technology BeijingSpringer, 2019)
Artículo / Artikulua
The aim of this work is to investigate the ability of an adsorbent of a clay mineral composite to remove and recover gold and silver ions from wastewater. The composite was prepared by mixing phosphogypsum (PG), obtained ... -
Analysis of singular one-dimensional linear boundary value problems using two-point Taylor expansions
Ferreira González, Chelo; López García, José Luis ; Pérez Sinusía, Ester (University of Szeged (Hungría), 2020)
Artículo / Artikulua
We consider the second-order linear differential equation (x2 − 1)y'' + f (x)y′ + g(x)y = h(x) in the interval (−1, 1) with initial conditions or boundary conditions (Dirichlet, Neumann or mixed Dirichlet–Neumann). The ... -
Application of eco-design and life cycle assessment standards for environmental impact reduction of an industrial product
Navajas León, Alberto; Uriarte Elizaga, Leire; Gandía Pascual, Luis (MDPI, 2017)
Artículo / Artikulua
Eco-design is included within the framework of the standard for “Environmental management systems—Guidelines for incorporating Eco-design” (ISO 14006:2011). Eco-design process, as defined in standard, has six steps: (i) ... -
Application of industrial wastes from chemically treated aluminum saline slags as adsorbents
Gil Bravo, Antonio; Arrieta Chango, Ekhine ; Vicente, Miguel Ángel; Korili, Sophia A. (American Chemical Society, 2018)
Artículo / Artikulua
In this study, industrial wastes, which remain after aluminum extraction from saline slags, were used as adsorbents. The aluminum saline slags were treated under reflux with 2 mol/dm3 aqueous solutions of NaOH, H2SO4, and ... -
Assigning numerical scores to linguistic expressions
Campión Arrastia, María Jesús; Falcó Díaz de Cerio, Edurne ; García Lapresta, José; Induráin Eraso, Esteban (MDPI, 2017)
Artículo / Artikulua
In this paper, we study different methods of scoring linguistic expressions defined on a finite set, in the search for a linear order that ranks all those possible expressions. Among them, particular attention is paid to ... -
Asymptotic greediness of the Haar system in the spaces Lp[0 , 1] , 1< p< ∞
Albiac Alesanco, Fernando José; Ansorena, José L.; Berná, Pablo M. (Springer, 2019)
Artículo / Artikulua
Our aim in this paper is to attain a sharp asymptotic estimate for the greedy constant Cg[H(p), Lp] of the (normalized) Haar system H(p) in Lp[0 , 1] for 1 < p < ∞. We will show that the super-democracy constant of H(p) ... -
Bayesian inference in multivariate spatio-temporal areal models using INLA: analysis of gender-based violence in small areas
Vicente, G.; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores (Springer, 2020)
Artículo / Artikulua
Multivariate models for spatial count data are currently receiving attention in disease mapping to model two or more diseases jointly. They have been thoroughly studied from a theoretical point of view, but their use in ... -
Binary relations coming from solutions of functional equations: orderings and fuzzy subsets
Campión Arrastia, María Jesús; Miguel Turullols, Laura de ; García Catalán, Olga Raquel ; Induráin Eraso, Esteban ; Abrísqueta Usaola, Francisco Javier (World Scientific Publishing Company, 2017)
Artículo / Artikulua
We analyze the main properties of binary relations, defined on a nonempty set, that arise in a natural way when dealing with real-valued functions that satisfy certain classical functional equations on two variables. We ... -
Catalytic performance of bulk and Al₂O₃-supported molybdenum oxide for the production of biodiesel from oil with high free fatty acids content
Navajas León, Alberto; Reyero Zaragoza, Inés ; Jiménez Barrera, Elena; Romero Sarria, Francisca; Llorca Piqué, Jordi; Gandía Pascual, Luis (MDPI, 2020)
Artículo / Artikulua
Non-edible vegetable oils are characterized by high contents of free fatty acids (FFAs) that prevent from using the conventional basic catalysts for the production of biodiesel. In this work, solid acid catalysts are used ... -
CIELAB color paths during meat shelf life
Hernández Salueña, Begoña; Sáenz Gamasa, Carlos; Diñeiro Rubial, José Manuel; Alberdi Odriozola, Coro (Elsevier, 2019)
Artículo / Artikulua
Meat color evolution from freshly cut to beyond shelf life, up to 40% of metmyoglobin, has been theoretically modeled using the Kubelka-Munk theory and a set of measured reference reflectance spectra of deoxymyoglobin, ... -
A combination of a vibrational electromagnetic energy harvester and a giant magnetoimpedance (GMI) sensor
Beato López, Juan Jesús; Royo, Isaac ; Algueta-Miguel, Jose M. ; Gómez Polo, Cristina (MDPI, 2020)
Artículo / Artikulua
An energy harvesting device combined with a giant magnetoimpedance (GMI) sensor is presented to analyze low frequency vibrating systems. An electromagnetic harvester based on magnetic levitation is proposed for the electric ... -
A combination of Rosa canina extracts and gold complex favors apoptosis of Caco-2 cells by increasing oxidative stress and mitochondrial dysfunction
Mármol, Inés; Jiménez Moreno, Nerea; Ancín Azpilicueta, Carmen ; Osada, Jesús; Cerrada, Elena; Rodríguez Yoldi, María Jesús (MDPI, 2020)
Artículo / Artikulua
Given the alarming increase in colorectal cancer (CRC) worldwide, novel therapies are urgently needed. Plant-derived extracts have gained considerable interest in the last years due to their strong anticancer effect mediated ... -
Comparative performance of coke oven gas, hydrogen and methane in a spark ignition engine
(Elsevier, 2020) Artículo / ArtikuluaIn this study, coke oven gas (COG), a by-product of coke manufacture with a high volumetric percentage of H2 and CH4, has been identified as auxiliary support and promising energy source in stationary internal combustion ... -
Comparative removal of emerging contaminants from aqueous solution by adsorption on an activated carbon
Gil Bravo, Antonio; Taoufik, Nawal; García Mora, Ana María; Korili, Sophia A. (Taylor & Francis, 2019)
Artículo / Artikulua
Batch sorption experiments were performed to study the adsorption of six emerging pollutants from aqueous solutions using a commercial granular activated carbon as adsorbent. Caffeine, clofibric acid, diclofenac, gallic ... -
A comparative study in the tribological behavior of DLC coatings deposited by HiPIMS technology with positive pulses
García Lorente, José Antonio; Rivero Fuente, Pedro; Barba Areso, Eneko; Fernández, Iván; Santiago, Jose A.; Palacio, José; Fuente, Gonzalo G.; Rodríguez Trías, Rafael (MDPI, 2020)
Artículo / Artikulua
During the last few decades, diamond-like carbon (DLC) coatings were widely used for tribological applications, being an effective tool for improving the performance and the useful life of different machining tools. Despite ... -
A comparative study of multifunctional coatings based on electrospun fibers with incorporated ZnO nanoparticles
Rivero Fuente, Pedro J.; Iribarren Zabalegui, Álvaro; Larumbe Abuin, Silvia ; Palacio, José; Rodríguez Trías, Rafael (MDPI, 2019)
Artículo / Artikulua
In this work, polymeric fibers of polystyrene (PS) with incorporated ZnO nanoparticles have been deposited onto an aluminum alloy substrate (6061T6) by using the electrospinning technique. In order to optimize the deposition ... -
Convergent and asymptotic methods for second-order difference equations with a large parameter
Ferreira, Chelo; López García, José Luis; Pérez Sinusía, Ester (Springer, 2018)
Artículo / Artikulua
We consider the second-order linear difference equation y(n+2)−2ay(n+1)−Λ2y(n)=g(n)y(n)+f(n)y(n+1) , where Λ is a large complex parameter, a≥0 and g and f are sequences of complex numbers. Two methods are proposed to find ... -
Convergent expansions of the Bessel functions in terms of elementary functions
López García, José Luis; Pagola Martínez, Pedro Jesús (Springer US, 2018)
Artículo / Artikulua
We consider the Bessel functions Jν (z) and Yν (z) for ν > −1/2 and z ≥ 0. We derive a convergent expansion of Jν (z) in terms of the derivatives of (sin z)/z, and a convergent expansion of Yν (z) in terms of derivatives ... -
Convergent expansions of the confluent hypergeometric functions in terms of elementary functions
Bujanda Cirauqui, Blanca; López García, José Luis ; Pagola Martínez, Pedro Jesús (American Mathematical Society, 2018)
Artículo / Artikulua
We consider the confluent hypergeometric function M(a, b; z) for z ∈ C and Rb >Ra > 0, and the confluent hypergeometric function U(a, b; z) for b ∈ C, Ra > 0, and Rz > 0. We derive two convergent expansions of M(a, b; z); ...
