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Mostrando ítems 1-20 de 177
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A comprehensive review of C-S-H empirical and computational models, their applications, and practical aspects
Duque Redondo, Eduardo
; ; Manzano Moro, Hegoi (Elsevier, 2022-06)
[EN] The C-S-H gel is an elusive material. Its variable composition and disordered nature complicate a complete characterization of its atomic structure, and the elaboration of models is key to understanding it. This work ... -
A Dissolution Model of Alite Coupling Surface Topography and Ions Transport under Different Hydrodynamics Conditions at Microscale
Chen, Jiayi; Martín, Pablo; Xu, Zhiyuan; Manzano Moro, Hegoi; Sánchez Dolado, Jorge; Ye, Guang (Elsevier, 2021-04)
Portland cement is the most produced material in the world. The hydration process of cement consists of a group of complex chemical reactions. In order to investigate the mechanism of cement hydration, it is vital to study ... -
A kinetic Monte Carlo study of the C3S dissolution mechanism
; ; ; ; Manzano Moro, Hegoi (Elsevier, 2024-06-09)
Understanding the mechanism that controls cement hydration and its stages is a long-standing challenge. Over a decade ago, the mineral dissolution theory was adopted from geochemistry to explain the hydration rate evolution ... -
A Lamellar Zn-Based Coordination Polymer Showing Increasing Photoluminescence upon Dehydration
; ; Castillo García, Oscar; Luque Arrebola, Antonio ; ; ; (MDPI, 2023-07-25)
The present study reports on a 2D lamellar coordination polymer (CP) of {[Zn(µ3-pmdc)(H2O)]·H2O}n formula (pmdc = pyrimidine-4,6-dicarboxylate). This CP is synthesized under an appropriate acid-base reaction between the ... -
A Luminescent MOF Based on Pyrimidine-4,6-dicarboxylate Ligand and Lead(II) with Unprecedented Topology
(MDPI, 2023-10-13)In the present work, we report on a 3D MOF of {[Pb5(μ3-OH)(μ3-NO3)3(μ6-pmdc)3]·H2O}n formula (pmdc = pyrimidine-4,6-dicarboxylate) synthesized by an oven-heated, solvent-free procedure. The large connectivity afforded by ... -
A Milestone in the Chemical Synthesis of Fe3O4 Nanoparticles: Unreported Bulklike Properties Lead to a Remarkable Magnetic Hyperthermia
; ; ; ; ; ; ; Orue Goikuria, Iñaki; ; (ACS, 2021-11-10)
Among iron oxide phases, magnetite (Fe3O4) is often the preferred one for nanotechnological and biomedical applications because of its high saturation magnetization and low toxicity. Although there are several synthetic ... -
A molecular perspective on the emergence of long-range polar order from an isotropic fluid
; ; ; Martínez Perdiguero, Jesús (Elsevier, 2024-06-06)
The ferroelectric nematic phase (NF) has quickly become the most studied system in liquid crystal research. In this work, we investigate the origin of such polar structure by studying a compound for which the NF phase ... -
A potential C-S-H nucleation mechanism: atomistic simulations of the portlandite to C-S-H transformation
; ; ; Etxebarria Altzaga, Iñigo; Manzano Moro, Hegoi (Elsevier, 2022-12)
The nucleation of the C-S-H gel is a complex process, key to controlling the hydration kinetics and microstructure development of cement. In this paper, a mechanism for the crystallization step during the C-S-H gel ... -
A probabilistic model and capturing device for remote simultaneous estimation of spectral emissivity and temperature of hot emissive materials
Picón Ruiz, Artzai; ; ; López, Gabriel Alejandro ; (Institute of Electrical and Electronics Engineers, 2021-07-12)
[EN] Estimating the temperature of hot emissive samples (e.g. liquid slag) in the context of harsh industrial environments such as steelmaking plants is a crucial yet challenging task, which is typically addressed by ... -
Additive Manufacturing of Fe-Mn-Si-Based Shape Memory Alloys: State of the Art, Challenges and Opportunities
; ; ; ; ; ; ; ; ; San Juan Núñez, José María (MDPI, 2023-12-05)
Additive manufacturing (AM) constitutes the new paradigm in materials processing and its use on metals and alloys opens new unforeseen possibilities, but is facing several challenges regarding the design of the microstructure, ... -
An effective model for the quantum Schwarzschild black hole
; ; Vera Jiménez, Raül (Elsevier, 2022-06-10)
We present an effective theory to describe the quantization of spherically symmetric vacuum motivated by loop quantum gravity. We include anomaly-free holonomy corrections through a canonical transformation and a linear ... -
An Epilepsy-Causing Mutation Leads to Co-Translational Misfolding of the Kv7.2 Channel
; ; ; ; ; ; Núñez Viadero, Eider; ; ; ; ; (Springer, 2021-05-21)
BACKGROUND: The amino acid sequence of proteins generally carries all the necessary information for acquisition of native conformations, but the vectorial nature of translation can additionally determine the folding outcome. ... -
An improved search for the electric dipole moment of the τ lepton
(Springer, 2022-04-20)We report a measurement of the electric dipole moment of the tau lepton (d(tau)) using an 833 fb(-1) data sample collected near the Upsilon(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e(+)e(-) ... -
Angle-resolved direct emissivity measurements on unencapsulated solar cells for passive thermal control
González de Arrieta Martinez, Iñigo; Echániz Ariceta, Telmo ; ; López, Gabriel Alejandro (IEEE, 2024-03-18)
The emissivity of two unencapsulated photovoltaic cells has been measured by a direct radiometric method, between 30 and 50 °C, and indirectly at room temperature. The advantages of the angle-resolved direct method for the ... -
Applying the Kolmogorov–Zurbenko filter followed by random forest models to 7Be observations in Spain (2006–2021)
; Petisco Ferrero, Susana; ; ; Sáenz Aguirre, Jon ; Ulazia Manterola, Alain ; (Elsevier, 2024-05)
n this study, we analysed 7Be weekly surface measurements from six Spanish laboratories from 2006 to 2021. The Kolmogorov–Zurbenko filter was applied to the six 7Be time series, and following an iterative process, the ... -
Approach to scaling in axion string networks
; Lizarraga Olano, Joanes; ; Urrestilla Urizabal, Jon (APS, 2021-05-26)
We study the approach to scaling in axion string networks in the radiation era, through measuring the root-mean-square velocity v as well as the scaled mean string separation x. We find good evidence for a fixed point in ... -
Beyond the infrared: a centenary of Heinrich Rubens's death
González de Arrieta Martinez, Iñigo (Springer, 2022)
Heinrich Rubens (Wiesbaden, 1865, Berlin, 1922) was the first scientist to study the large gap between the conventional infrared range and the electrical wave regime, better known today as the terahertz gap. To this end, ... -
Biochemical and Metabolomic Changes after Electromagnetic Hyperthermia Exposure to Treat Colorectal Cancer Liver Implants in Rats
; ; Pérez Muñoz, Jorge; ; Iturrizaga Correcher, Sira; Mar Medina, Carmen; Castro Ortiz de Pinedo, Kepa; ; Plazaola Muguruza, Fernando ; ; García-Alonso Montoya, Ignacio ; Echevarría Uraga, José Javier (MDPI, 2021-05-17)
Background: Hyperthermia (HT) therapy still remains relatively unknown, in terms of both its biological and therapeutic effects. This work aims to analyze the effects of exposure to HT, such as that required in anti-tumor ... -
Brane nucleation in supersymmetric models
; ; Sousa, Kepa; Álvarez Urquiola, Mikel (Springer Nature, 2023-10-11)
This paper explores the process of vacuum decay in supersymmetric models related to flux compactifications. In particular, we describe these instabilities within supersymmetric Lagrangians for a single three-form multiplet. ... -
Cellular patterns and dry convection in textured dust storms at the edge of Mars North Polar Cap
Sánchez Lavega, Agustín María; ; ; ; ; Ordoñez Etxeberria, Iñaki ; ; ; ; ; ; (Elsevier, 2022-11)
We present a study of textured local dust storms that develop at the northern polar cap boundary on Mars springtime. We have used images obtained with VMC and HRSC cameras onboard Mars Express and MARCI on MRO to analyze ...