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Now showing items 10850-10869 of 11153
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Vacancies mediated ordering in Ni-Mn-Ga shape memory alloys
; Unzueta Solozabal, Iraultza
; ; ; ; ; Plazaola Muguruza, Fernando (Elsevier, 2022-07-01)
[EN] Vacancy mediated diffusion is the main atomic mechanism that controls the ordering of substitutional alloys. In particular, in Ni-Mn-Ga shape memory alloys vacancies control the evolution of the L21 atomic order degree ... -
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Vacuum state of the Dirac field in de Sitter space and entanglement entropy
(Springer, 2017-03-13)We compute the entanglement entropy of a free massive Dirac field between two causally disconnected open charts in de Sitter space. We first derive the Bunch-Davies vacuum mode functions of the Dirac field. We find there ... -
Validación de la escala de tendencias de acción política en una muestra de estudiantes universitarios chilenos
; ; Bobowik, Magdalena (Pontificia Universidad Católica de Chile, 2018-05)
El objetivo de la investigación fue validar la Escala de Tendencias de Acción Política en estudiantes de universidades tradicionales de la Región de Valparaíso, Chile. En un muestreo por cuotas participaron 600 estudiantes ... -
Validación del índice de bienestar personal (PWI) en usuarios vulnerables de servicios de salud en Santiago, Chile
(Sociedad Médica Santiago, Chile, 2015-09)Background: Personal well-being calculates quality of life in terms of the necessary conditions required to live well. Aim: To validate the Personal Wellbeing Index (PWI) in a representative sample of vulnerable users of ... -
Validación preliminar del Método para la Evaluación de la Mentalización en el Contexto Interpersonal (MEMCI)
(Asociación Española de Neuropsiquiatría-Profesionales de Salud Mental, 2016-12-04)[ES]El objetivo de este estudio fue realizar una validación preliminar de un instrumento diseñado para evaluar mentalización en adultos (Método para la Evaluación de la Mentalización en el Contexto Interpersonal, MEMCI). ... -
Validating a Wave-to-Wire Model for a Wave Energy Converter—Part II: The Electrical System
Penalba, Markel; Cortajarena Echeverria, José Antonio; Ringwood, John V. (MDPI, 2017-07)
The incorporation of the full dynamics of the different conversion stages of wave energy converters (WECs), from ocean waves to the electricity grid, is essential for a realistic evaluation of the power flow in the drive ... -
Validation and implementation of a method for 226Ra determination by using LSC
; ; Olondo Castro, Concepción; ; (Springer, 2019-10-15)
A co-precipitation method followed by a liquid–liquid extraction and liquid scintillation counting is validated by applying it to five different types of matrices. In order to test the applicability of the method, complex ... -
Validation of a Football Competence Observation System (FOCOS), Linked to Procedural Tactical Knowledge
(MDPI, 2021-06-15)The use of instruments for the evaluation of a player’s procedural tactical knowledge (PTK) in sociomotor sports, such as football, is a line of research of growing interest since it allows a pertinent description of the ... -
Validation of a Parent-Reported Physical Activity Questionnaire by Accelerometry in European Children Aged from 6 to 12 Years Old
; ; ; Babarro Vélez, Izaro; ; ; ; ; ; Bernard, Jonathan Y.; ; ; ; (MDPI, 2022-07-27)
Validated physical activity (PA) questionnaires are crucial for collecting information in large epidemiological studies during childhood. Thus, this study analyzed the validity of a parent-reported PA questionnaire based ... -
Validation of a screening questionnaire for hip and knee osteoarthritis in old people
Quintana López, José María; Arostegui Madariaga, Inmaculada; Escobar, Antonio; Lafuente Guerrero, Iratxe; Arenaza Merino, Juan Carlos; García, Isidoro; Aguirre, Urko (BioMed Central, 2007-08-23)
Background: To develop a sensitive and specific screening tool for knee and hip osteoarthritis in the general population of elderly people. Methods: The Knee and Hip OsteoArthritis Screening Questionnaire (KHOA- SQ) was ... -
Validation of a Spanish version of the Revised Fibromyalgia Impact Questionnaire (FIQR)
Salgueiro Macho, Monika; ; Ballesteros Rodríguez, Francisco Javier ; ; (Biomed Central, 2013)
[EN]The Revised version of the Fibromyalgia Background The Revised version of the Fibromyalgia Impact Questionnaire (FIQR) was published in 2009. The aim of this study was to prepare a Spanish version, and to assess its ... -
Validation of an LC-ESI-MS/MS for the quantitation of phosphodiesterase-5 inhibitors and their main metabolites in rat serum and brain tissue samples.
Unceta Zaballa, Nora; ; ; ; ; Goicolea Altuna, María Aranzazu ; (Elsevier, 2012-105-1)
This work proposes a liquid chromatography-electrospray ionization ion trap mass spectrometry (LC-ESI-ITMS) method, for the quantification of sildenafil (SDF), tadalafil (TDF) and vardenafil (VDF) and their metabolites ... -
Validation of an Online Version of the Alcohol Use Disorders Identification Test (AUDIT) for Alcohol Screening in Spanish University Students
Ballester, Laura; Alayo, Itxaso; Vilagut, Gemma; Almenara, José; Cebrià, Ana Isabel; Echeburúa Odriozola, Enrique; Gabilondo, Andrea; Gili, Margalida; Lagares, Carolina; Piqueras, José A.; Roca, Miquel; Soto-Sanz, Victoria; Blasco, Maria Jesús; Castellví, Pere; G. Forero, Carlos; Mortier, Philippe; Alonso, Jordi; on behalf of the UNIVERSAL Study Group (MDPI, 2021-05-14)
Online alcohol screening may be helpful in preventing alcohol use disorders. We assessed psychometric properties of an online version of the Alcohol Use Disorders Identification Test (AUDIT) among Spanish university students. ... -
Validation of HepG2/C3A Cell Cultures in Cyclic Olefin Copolymer Based Microfluidic Bioreactors
; ; ; ; ; Vilas Vilela, José Luis; ; ; ; (MDPI, 2022-10-22)
Organ-on-chip (OoC) technology is one of the most promising in vitro tools to replace the traditional animal experiment-based paradigms of risk assessment. However, the use of OoC in drug discovery and toxicity studies ... -
Validation of LDLr Activity as a Tool to Improve Genetic Diagnosis of Familial Hypercholesterolemia: A Retrospective on Functional Characterization of LDLr Variants
(MDPI, 2018-06)Familial hypercholesterolemia (FH) is an autosomal dominant disorder characterized by high blood-cholesterol levels mostly caused by mutations in the low-density lipoprotein receptor (LDLr). With a prevalence as high as ... -
Validation of Real Case Solving (RCS) Methodology as an Efficient Engineering Learning Tool
Goti Elordi, Aitor; Akyazi, Tugce; De la Calle, Alberto; Oyarbide Zubillaga, Aitor; Alberdi Celaya, Elisabete (MDPI, 2020-12-19)
In recent times, new learning methodologies known as student-based methodologies have been introduced to simplify the learning process for the students and facilitate the acquisition of skills for them. Among them, problem ... -
Validation of the Five-Factor Self-Concept Questionnaire AF5 in Brazil: Testing Factor Structure and Measurement Invariance Across Language (Brazilian and Spanish), Gender, and Age
Garcia, Fernando; Martínez, Isabel; Balluerka Lasa, Nekane; Cruise, Edie; Garcia, Oscar F.; Serra, Emilia (Frontiers Media, 2018-11-20)
Self-concept is widely conceptualized as multidimensional (Shavelson et al., 1976). The Five-Factor Self-Concept Questionnaire (AF5, Garcia and Musitu, 2009) assesses five specific dimensions (i.e., academic, social, ... -
Validation of UVEDAI: An Index for Evaluating the Level of Inflammatory Activity in Uveitis
(Springer, 2023-04)Introduction Uveitis is the inflammation of the middle layer of the eye, the uvea, and is a major cause of blindness. None of the instruments used in clinical practice are, in themselves, sufficient to evaluate the course ... -
Validity and Reliability of the Self-Care Activities Screening Scale (SASS-14) During COVID-19 Lockdown
(BioMed Central, 2021-01-02)Background In a context where there is no treatment for the current COVID-19 virus, the combination of self-care behaviours together with confinement, are strategies to decrease the risk of contagion and remain healthy. ...