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Mostrando ítems 15031-15040 de 27525
An Embedded System in Smart Inverters for Power Quality and Safety Functionality
(MDPI, 2016)
The electricity sector is undergoing an evolution that demands the development of a
network model with a high level of intelligence, known as a Smart Grid. One of the factors accelerating
these changes is the development ...
New Omnidirectional Sensor Based on Open-Source Software and Hardware for Tracking and Backtracking of Dual-Axis Solar Trackers in Photovoltaic Plants
(MDPI, 2021)
In this work, an omnidirectional sensor that enables identification of the direction of the celestial sphere with maximum solar irradiance is presented. The sensor, based on instantaneous measurements, functions as a ...
Optimization of the Acetification Stage in the Production of Wine Vinegar by Use of Two Serial Bioreactors
(MDPI, 2021)
In the scope of a broader study about wine acetification, previous works concluded that using a single bioreactor hindered simultaneously reaching high productivities with high substrate consumption and the use of two ...
A Ubiquitous NFC Solution for the Development of Tailored Marketing Strategies Based on Discount Vouchers and Loyalty Cards
(MDPI, 2013)
Because of the global economic turmoil, nowadays a lot of companies are
adopting a “deal of the day” business model, some of them with great success. Generally,
they try to attract and retain customers through discount ...
Exogenous Measurements from Basic Meteorological Stations forWind Speed Forecasting
(MDPI, 2013)
This research presents a comparative analysis of wind speed forecasting methods
applied to perform 1 h-ahead forecasting. The main significant development has been
the introduction of low-quality measurements as exogenous ...
Analysis of the Influence of Terrain Orientation on the Design of PV Facilities with Single-Axis Trackers
(MDPI, 2020)
This paper investigates how to optimally orient the photovoltaic solar trackers of an axis parallel to the terrain, applying the sky model of Hay–Davies. This problem has been widely studied. However, the number of studies ...
Analysis of Air Mean Temperature Anomalies by Using Horizontal Visibility Graphs
(MDPI, 2021)
The last decades have been successively warmer at the Earth’s surface. An increasing interest in climate variability is appearing, and many research works have investigated the main effects on different climate variables. ...
Fronteras estéticas de la analogía medieval. Del adorno retórico a la belleza del verbo
(UCOPress, 1999)
La reflexión sobre Ia analogía y Ia semejanza invadió todos los ámbitos del pensamiento medieval. La
retórica y Ia teología compartieron un léxico único, pero mostraron planteamientos bien diferentes en esa fundamentaci ...
Secundus entre las flores del vergel
(UCOPress, 1999)
En este trabajo se trata de estudiar Ia pervivencia de Secundus (llamado el «Tacitumo», contemporáneo
de Adriano), en el Viridarium consolationis de Jacobus de Benevento, (t circa. 1271). El Viridarium, publicado
por ...
La filosofía de la coacción en el Medioevo
(UCOPress, 1999)