1 a 10 de 119 Resultados
29 jul 2025
Hijón Neira, Raquel; Pizarro, Celeste; Valderas, Antonio; Castro, Elena; Diaz-Cano, Ignacio; Palomo Duarte, Manuel, 2025, "Enhancing SQL Learning with Context-Aware Prompts in ChatGPT", https://doi.org/10.21950/ONZ2WT, e-cienciaDatos, V1
Datos relativo a un estudio basado en un diseño cuasi-experimental con grupos paralelos, involucrando a 141 estudiantes de Ingeniería Informática de dos universidades españolas (URJC y UCA), quienes cursaban la misma asignatura de Bases de Datos. Los participantes fueron asignado... |
22 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
MORENO DE LA CALLE, Alvaro; Chirinos Chavez, Carlos Andres; Vizcaíno, Arturo; Calles, Jose A; CARRERO, ALICIA; MEGIA, Pedro J., 2025, "Hydrogen production through oxidative steam reforming of acetic acid over bimetallic Ni-M (M: Pt, Ru, Rh) catalysts supported on mesostructured CeO2", https://doi.org/10.21950/OBVYDM, e-cienciaDatos, V2
This study evaluates the impact of the incorporation of noble metals (M: Pt, Ru, or Rh) to Ni catalysts supported on mesostructured CeO2 (CeO2-m) for green hydrogen production through the oxidative steam reforming of acetic acid as biomass-derived compound obtained in fermentatio... |
22 jul 2025
MEGIA, Pedro J.; Vizcaíno, Arturo; Calles, Jose A; CARRERO, ALICIA, 2025, "Hydrogen production technologies: from fossil fuels towards renewable sources. A mini-review", https://doi.org/10.21950/LELSHW, e-cienciaDatos, V1
The global economic growth, the increase in population, and advances in technology lead to an increment in global primary energy demand. Considering that most of this energy is currently supplied by fossil fuels, a considerable amount of greenhouse gases are emitted, contributing... |
21 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
Calles Martín, Jose Antonio, 2025, "Continous flowing eletroless pore plating to fabricate H2 selective Pd-Membranes", https://doi.org/10.21950/4FQIW1, e-cienciaDatos, V1
This study presents a novel approach to fabricating hydrogen-selective palladium membranes by continuous flowing electroless pore-plating, hereafter referred to as cf-ELP-PP. This procedure aims to significantly advance the manufacturing processes of dense membranes. In fact, the... |
18 jul 2025
Rodríguez Cabello, Daniel, 2025, "Dataset on the Impact of Programming Platforms with Simulated Robotics on Computational Thinking and Gender Analysis in Secondary Education", https://doi.org/10.21950/BYBWIX, e-cienciaDatos, V1
This dataset was collected during a quasi-experimental study involving 161 secondary school students (aged 14) from Madrid, Spain. The objective was to evaluate the impact of three programming environments—Scratch (2D), Scratch with Kibotics (3D robotics simulation), and Python w... |
17 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
MEGIA, Pedro J.; Soria, Miguel Angel; Pereira Cerqueira, Pedro; Vizcaíno, Arturo; CARRERO, ALICIA; Calles, Jose A; Madeira, Luis Miguel, 2025, "Influence of Rh addition to transition metal-based catalysts in the oxidative steam reforming of acetic acid", https://doi.org/10.21950/ESGLOA, e-cienciaDatos, V1
In this work, the Rh-promotion to transition metal (Ni and Co) CeO2-supported catalysts has been studied for the first time on the acetic acid oxidative steam reforming. Characterization of the prepared catalysts confirmed the promoting effect of rhodium addition, allowing lower... |
17 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
MEGIA, Pedro J.; Morales Cabezas, Anabel; Vizcaíno, Arturo; Calles, Jose A; CARRERO, ALICIA, 2025, "Hydrogen production through oxidative steam reforming of acetic acid over Ni catalysts supported on Ceria-based materials", https://doi.org/10.21950/DRN2GT, e-cienciaDatos, V1
Oxidative steam reforming allows higher energy efficiency and lowers coke deposition compared to traditional steam reforming. In this work, CeO2-based supports have been prepared with Ni as the active phase, and they were tested in the oxidative steam reforming of acetic acid. Th... |
17 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
MEGIA, Pedro J.; Morales Cabezas, Anabel; Vizcaíno, Arturo; Calles, Jose A; CARRERO, ALICIA, 2025, "Oxidative steam reforming of acetic acid on Ni catalysts: Influence of the La promotion on mesostructured supports", https://doi.org/10.21950/SGPWTE, e-cienciaDatos, V1
In this work, the support effect and the La2O3 promotion of Ni-based catalysts on the oxidative steam reforming of acetic acid as bio-oil model compound has been studied. Ni/SBA-15 showed the worst catalytic performance with an acetic acid conversion dropping below 30% at 500 ºC... |
17 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
MORENO DE LA CALLE, Alvaro; Vizcaíno, Arturo; CARRERO, ALICIA; Calles, Jose A; MEGIA, Pedro J., 2025, "Study of Mesostructured CeO2 Synthesis via Nanocasting Using SBA-15 as a Template: Influence of the Cerium Precursor", https://doi.org/10.21950/O8CMEE, e-cienciaDatos, V1
Mesoporous materials with high surface area, large pore volume, and adjustable pore size are promising in the fields of adsorption and heterogeneous catalysis. In this work, ordered meso-porous ceria structures were successfully prepared via nanocasting using SBA-15 as a template... |
17 jul 2025 - Green hydrogen production from waste biomass pyrolysis fractions by auto-thermal reforming in a membrane reactor BIOWASTETOH2
Megía, Pedro J.; Lourdes García-Moreno; Vizcaíno, Arturo; Calles, Jose A; CARRERO, ALICIA, 2025, "Bioethanol steam reforming for hydrogen production over Ni‑Cr/SBA 15: Influence of metal loading and Ni/Cr ratio", https://doi.org/10.21950/RPTIHB, e-cienciaDatos, V1
This work examines the influence of metal loading and Ni/Cr ratio of Ni-Cr/SBA-15 catalysts on bioethanol steam reforming for the first time. The characterization of the synthesized samples reveals that higher Cr amounts results in lower Ni crystallite sizes due to the promoting... |
