Results 91 to 100 of about 812,592 (311)

Aminosulfonated Graphene as a Catalyst for Efficient Production of Biodiesel from Fatty Acids and Crude Vegetable Oils

ChemSusChem, EarlyView.
The covalent integration of amino and sulfonate groups on the graphene surface significantly enhances activity in acid‐catalyzed reactions, such as in biodiesel production and dehydration of saccharides. Developing such heterogeneous, recyclable catalysts is vital, as acid catalysis represents one of the most general and versatile strategies in organic
Aby Cheruvathoor Poulose, Hugo Bares, Dagmar Zaoralová, Ivan Dědek, Michal Otyepka, Aristides Bakandritsos, Radek Zbořil   +6 more
wiley   +1 more source

Pt Single Atom Deposition by Direct Current Sputtering in the Gas‐Scattering Regime—A Simple Approach to Controlled Single Atom Loading

ChemSusChem, EarlyView.
Highly controlled Pt single atom deposition (SA) is achieved by gas‐phase scattering sputtering on various substrates. This method enables soft Pt single atom loading and uniform SA distribution. In the example, it is shown that how Pt SA loading on TiO2 can be established and used for photocatalytic H2 generation.
Xin Zhou, Jihyeon Kim, Hyesung Kim, Sani Zahra, Patrik Schmuki   +4 more
wiley   +1 more source

Pathological changes and viral antigen distribution in tissues of Iberian hare (Lepus granatensis) naturally infected with the emerging recombinant myxoma virus (ha‐MYXV)

Veterinary Record, Volume 192, Issue 1, 7/14 January 2023., 2023
Abstract Background A cross‐species jump was confirmed in 2018, when a novel recombinant myxoma virus (MYXV) (ha‐MYXV) caused high mortality in Iberian hare (Lepus granatensis) in the Iberian Peninsula. Method The aim of this study was to evaluate the main lesions, tissular distribution and target cells of ha‐MYXV in Iberian hare.
Irene Agulló‐Ros, Débora Jiménez‐Martín, Leonor Camacho‐Sillero, Christian Gortázar, Lorenzo Capucci, David Cano‐Terriza, Irene Zorrilla, Félix Gómez‐Guillamón, Ignacio García‐Bocanegra, María A. Risalde   +9 more
wiley   +1 more source

Propuesta de una Metodología basada en DevSecOps y SCRUM para el desarrollo de Software con Calidad.

Innovación y Software
La colaboración en equipos de desarrollo de software a menudo necesita una buena gestión de las actividades; con la aplicación de metodologías ágiles es posible administrar los cambios, sin embargo, una cultura de colaboración transversal en la ...
Itzel Xochitototl Cote, José Juan Hernández Mora, María Guadalupe Medina Barrera, Elizabeth Cuatecontzi Cuahutle, Juan Ramos Ramos   +4 more
doaj   +1 more source

Fast computation of a rational point of a variety over a finite field [PDF]

arXiv, 2004
We exhibit a probabilistic algorithm which computes a rational point of an absolutely irreducible variety over a finite field defined by a reduced regular sequence. Its time--space complexity is roughly quadratic in the logarithm of the cardinality of the field and a geometric invariant of the input system (called its degree), which is always bounded ...
arxiv  

Metodología extendida para la creación de software educativo desde una visión integradora [PDF]

, 2003
En este artículo se resume el trabajo de investigación que llevamos a cabo durante los últimos años, en el área de las metodologías para el diseño, desarrollo y evaluación de software educativo.
Cataldi, Zulma, García-Martínez, Ramón, Lage, Fernando, Pessacq, Raúl   +3 more
core   +1 more source

Electrochemical Response of Cold‐Sintered Cathode‐Hybrid Electrolyte Bilayers: Deep Insights into the Determining Kinetic Mechanisms via Operando Electrochemical Impedance Characterization

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Pressure induced capacity fading mechanisms in a LiFePO4 This study demonstrates the successful fabrication of solid‐state bilayers using LiFePO₄ (LFP) cathodes and Li1.3Al0.3Ti1.7(PO4)3 (LATP)‐based Composite Solid Electrolytes (CSEs) via Cold Sintering Process (CSP). By optimizing the sintering pressure, it is achieved an intimate contact between the
Sergio Ferrer‐Nicomedes, Andrés Mormeneo‐Segarra, Nuria Vicente‐Agut, Antonio Barba‐Juan, Germà Garcia‐Belmonte   +4 more
wiley   +1 more source

Distributional regression modeling via generalized additive models for location, scale, and shape: An overview through a data set from learning analytics

WIREs Data Mining and Knowledge Discovery, Volume 13, Issue 1, January/February 2023., 2023
Performance of GAMLSS against some machine learning algorithms. Abstract The advent of technological developments is allowing to gather large amounts of data in several research fields. Learning analytics (LA)/educational data mining has access to big observational unstructured data captured from educational settings and relies mostly on unsupervised ...
Fernando Marmolejo‐Ramos, Mauricio Tejo, Marek Brabec, Jakub Kuzilek, Srecko Joksimovic, Vitomir Kovanovic, Jorge González, Thomas Kneib, Peter Bühlmann, Lucas Kook, Guillermo Briseño‐Sánchez, Raydonal Ospina   +11 more
wiley   +1 more source

Deformation techniques for sparse systems [PDF]

arXiv, 2006
We exhibit a probabilistic symbolic algorithm for solving zero-dimensional sparse systems. Our algorithm combines a symbolic homotopy procedure, based on a flat deformation of a certain morphism of affine varieties, with the polyhedral deformation of Huber and Sturmfels.
arxiv  

Influence of HVOF parameters on HAp coating generation: An integrated approach using process maps [PDF]

, 2018
An experimental approach based on design of experiments, process maps and the analysis of deposition first stages to improve the biocompatibility of High-Velocity Oxygen Fuel (HVOF) hydroxyapatite (HAp) coatings is here presented. A two-level design of three factors (23) was performed using the stand-off distance (SOD), the fuel-oxygen ratio (F/O) and ...
arxiv   +1 more source