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Higiene y reemplazo del estuche portalentes, ¿incumplimiento o desconocimiento?
(2021-04-09)
Article
Restricted access - publisher's policyPropósito: El propósito de esta investigación fue determinar las prácticas de los usuarios de lentes de contacto en referencia al cuidado y reemplazo del estuche portalentes. Métodos: Se desarrolló una encuesta en línea y ... -
Nociones básicas de deflectometría
(2002-06-01)
Article
Restricted access - publisher's policy -
Effect of intermittent induced aeration on nitrogen removal and denitrifying-bacterial community structure in Cork and gravel vertical flow pilot-scale treatment wetlands
(2021-10)
Article
Restricted access - publisher's policyIn this work, we have evaluated the impact of aeration in total nitrogen (TN), ammonia (NH4-N) and nitrate-nitrogen (NO3-N) removal in four pilot-scale vertical flow constructed wetlands (VFCW) using cork by-product or ... -
Identification of a set of variables for the classification of páramo soils using a nonparametric model, remote sensing, and organic carbon
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-08)
Article
Open AccessPáramo ecosystems harbor important biodiversity and provide essential environmental services such as water regulation and carbon sequestration. Unfortunately, the scarcity of information on their land uses makes it difficult ... -
Polarimetric imaging vs. conventional imaging: evaluation of image contrast in fog
(2021-06-24)
Article
Open AccessWe compare conventional intensity imaging against different modes of polarimetric imaging by evaluating the image contrast of images taken in a controlled foggy environment. A small-scale fog chamber has been designed and ... -
Calidad acústica de nuestras aulas ¿dificultades de audición?
(2021-05)
Article
Open AccessLa calidad acústica del ambiente en que se realiza el aprendizaje puede ser determinante a la hora de obtener mejores resultados. Así pretende demostrarlo un estudio realizado en la Facultad de Óptica y Optometría de ... -
Characteristics of saccades during the near point of convergence test
(2021-10)
Article
Open AccessThe near point of convergence test is widely used to evaluate binocular vision. It assesses the ability of the eyes to converge at short distances. Although the test consists of a pure symmetrical vergence task, small ... -
Transmittance measurement of the in vivo human eye with a double-pass system
(2021)
Article
Open AccessPurpose: To develop a methodology based on a double-pass system to obtain information about the transmittance of ocular media. Methods: The procedure consists of recording double-pass images at different powers of a laser ... -
Bringing old telescopes to a new robotic life
(2017)
Article
Open AccessWe present the development from its origin to the implementation of new hardware and software for telescope control. This system has been designed to be adaptable to old decommissioned telescopes. We will show how we applied ... -
Current modulation induced stability in laser diode under high optical feedback strength
(Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
Article
Open AccessThe back-reflection of emitted laser beam (optical feedback, also know as selfmixing) from various external interfaces are sufficient to cause instability, and prohibiting its use in various fields such as communication, ... -
Children's visual impairment and visual care related to socioeconomic status in Catalonia (Spain)
(2020-11-11)
Article
Open AccessBackground: The objective of this study is to assess the prevalence of visual impairment and visual care practices and its association with socioeconomic conditions in the infant population in Catalonia. Methods: The Catalan ... -
Spectral image at the service of medical diagnosis
(2020)
Article
Restricted access - publisher's policy
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