BackBrowsing Artículos by Title
Now showing items 370-389 of 10661
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A robot for non-destructive testing weld inspection of offshore mooring chains
Hernández Frías, Alfonso
; Altuzarra Maestre, Oscar ; Petuya Arcocha, Víctor ; ; Amezua San Martín, Enrique (SAGE Publications Inc., 2018-05-09)
Welding flaw detection is a key step in manufacturing many components. In offshore chains, every link is manufactured from a steel bar that is bent and the ends joined by flash butt welding. Ultrasonic inspection of the ... -
A robot for welding inspection in offshore mooring chains
Hernández Frías, Alfonso; Altuzarra Maestre, Oscar ; Petuya Arcocha, Víctor ; ; Amezua San Martín, Enrique (Springer, 2018-08-31)
In this paper, the authors present the CIRUS robot. This automatic system uses a combination of pulse-echo and pitch and catch ultrasonic strategies for the inspection of the welded area of mooring chain links in an automatic ... -
A Robust Framework Based on Polymeric Octamolybdate Anions and Copper(II) Complexes of Tetradentate N-donor Ligands
; ; San Felices Mateos, Leire; ; ; Gutiérrez Zorrilla López, Juan Manuel (MDPI, 2018-01-06)
A new organic-inorganic compound based on octamolybdate building blocks and copper(II) complexes of tetradentate N-donor ligands has been hydrothermally synthesized, namely [Cu(cyclam)](2)[Mo8O26]center dot 1.5H(2)O (1), ... -
A Robust Maximum Power Point Tracking Control Method for a PEM Fuel Cell Power System
Derbeli, Mohamed; Barambones Caramazana, Oscar; Sbita, Lassaad (MDPI, 2018-12-01)
Taking into account the limited capability of proton exchange membrane fuel cells (PEMFCs) to produce energy, it is mandatory to provide solutions, in which an efficient power produced by PEMFCs can be attained. The maximum ... -
A Robust Optimization Based Energy-Aware Virtual Network Function Placement Proposal for Small Cell 5G Networks with Mobile Edge Computing Capabilities
Blanco Jauregui, Begoña; Taboada Puente, Ianire ; ; (Hindawi, 2017)
In the context of cloud-enabled 5G radio access networks with network function virtualization capabilities, we focus on the virtual network function placement problem for a multitenant cluster of small cells that provide ... -
A Rubric to Assess and Improve Technical Writing in Undergraduate Engineering Courses
Cantera López de Silanes, María Asunción; Arévalo Benito, María José ; ; Alves Castro, María Angeles (MDPI, 2021-03-24)
Although there is consensus in the literature that writing skills are important in STEM (Science, Technology, Engineering, and Mathematics) studies, they are often neglected. However, some efforts have been made to correct ... -
A Scoping Review on Virtual Reality-Based Industrial Training
(MDPI, 2020-11-20)The fourth industrial revolution has forced most companies to technologically evolve, applying new digital tools, so that their workers can have the necessary skills to face changing work environments. This article presents ... -
A seed towards a sustainable food system in healthcare institutions: the case of the Basque Country
(Taylor & Francis, 2023-03)Public procurement of food is seen as a critical tool for a paradigm shift and for facilitating the development of specific policy objectives to build sustainable food environments. Furthermore, the harnessing of the ... -
A Self-Paced Relaxation Response Detection System Based on Galvanic Skin Response Analysis
Martínez Rodríguez, Raquel; ; Arruti Illarramendi, Andoni ; ; Martín Aramburu, José Ignacio ; (2019-04-02)
Relaxation helps to reduce physical, mental, and emotional pressure. Relaxation techniques generally enable a person to obtain calmness and well-being by reducing stress, anxiety, or anger. When a person becomes calm the ... -
A Self-Referencing Intensity Based Polymer Optical Fiber Sensor for Liquid Detection
Sánchez Montero, David; Vázquez, Carmen; Möllers, Ingo; Arrue Aramburu, Juan Antonio; Jäger, Dieter (MDPI, 2009-08)
A novel self-referencing fiber optic intensity sensor based on bending losses of a partially polished polymer optical fiber (POF) coupler is presented. The coupling ratio (K) depends on the external liquid in which the ... -
A Semantic Approach for Big Data Exploration in Industry 4.0
; ; Illarramendi Echave, María Aránzazu (Elsevier, 2021-04-19)
The growing trends in automation, Internet of Things, big data and cloud computing technologies have led to the fourth industrial revolution (Industry 4.0), where it is possible to visualize and identify patterns and ... -
A sequential process for hydrogen production based on continuous HDPE fast pyrolysis and in-line steam reforming
; López Zabalbeitia, Gartzen; ; ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2016-07-15)
A continuous process has been developed consisting in the flash pyrolysis (500 ºC) of high density polyethylene (HDPE) in a conical spouted bed reactor (CSBR) followed by steam reforming in a fluidized bed reactor (Ni ... -
A Series of Vertical Deflections, a Promising Traffic Calming Measure: Analysis and Recommendations for Spacing
(MDPI, 2020-05-13)Traffic calming measures (TCM) are placed in urban areas to improve road safety, and among them, vertical TCMs are widely employed. Many researches are focused on the influence of the geometry of each measure on speed ... -
A Set of Reliable Samples for the Study of Biomarkers for the Early Diagnosis of Parkinson's Disease
(Frontiers Media, 2022-05)BackgroundParkinson's disease (PD) is a progressive neurodegenerative disorder, diagnosed according to the clinical criteria that occur in already advanced stages of PD. The definition of biomarkers for the early diagnosis ... -
A short exposure to a semi-natural habitat alleviates the honey bee hive microbial imbalance caused by agricultural stress
; ; ; ; ; ; ; ; Estomba Recalde, Miren Andone; Zarraonaindia Martínez, Iratxe (Nature, 2022-11)
Honeybee health and the species' gut microbiota are interconnected. Also noteworthy are the multiple niches present within hives, each with distinct microbiotas and all coexisting, which we termed "apibiome". External ... -
A short in-frame deletion in NTRK1 tyrosine kinase domain caused by a novel splice site mutation in a patient with congenital insensitivity to pain with anhidrosis
Sarasola, Esther; Rodríguez Pérez, José Antonio; Garrote Llanos, María Isabel; Arístegui Fernández, Javier; García-Barcina, María J. (BioMed Central, 2011-06-27)
Background: Congenital insensitivity to pain with anhidrosis (CIPA) is a rare autosomal recessive genetic disease characterized by the lack of reaction to noxious stimuli and anhidrosis. It is caused by mutations in the ... -
A short training program improves the accuracy of portion-size estimates in future dietitians
; ; ; Rocandio Pablo, Ana María (Sociedad Latinoamericana de Nutrición, 2007)
[EN] The objective of this study was to determine whether a short training program, using real foods, would decreased their portion-size estimation errors after training. 90 student volunteers (20.18±0.44 y old) of the ... -
A Simplified Modeling Approach of Floating Offshore Wind Turbines for Dynamic Simulations
; Robles Sestafe, Eider; ; ; (MDPI, 2022-03-18)
Currently, floating offshore wind is experiencing rapid development towards a commercial scale. However, the research to design new control strategies requires numerical models of low computational cost accounting for the ... -
A single amino acid able to promote high-temperature ring-opening polymerization by dual activation
; ; ; ; Larrañaga Espartero, Aitor; ; Etxeberria Lizarraga, Agustín ; (Wiley, 2024-04)
Amino acids are indispensable compounds in the body, performing several biological processes that enable proper functioning. In this work, it is demonstrated that a single amino acid, taurine, is also able to promote the ... -
A site-selective fluorescence spectroscopy study of the crystal phases of KY3F10: Leveraging the optical response of Eu3+ ions
; ; ; Balda de la Cruz, Rolindes; (Elsevier, 2023-08)
The present work deals with the investigation of the site-selective symmetries in Eu3+-doped KY3F10 with different crystal phases. Employing time-resolved fluorescence line-narrowing (TRFLN), a study of the luminescent ...