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Determinación de humedad en la pulpa de café
(2004)
El propósito de este trabajo fue adaptar el método del honor de convención forzada para la determinación del contenido de humendad de la pulpa de café. Se realizó una prueba preliminar para establecer el tiempo necesario ...
Reactive Power Limits in Distributed Generators from Generic Capability Curves
(2014-07-27)
This paper presents a generic trapezoid-type capability curve for any distributed generation technology. This curve is used to estimate the machine reactive power limits in terms of the actual active power and terminal ...
A practical method for considering shading on photovoltaics systems energy yield
(2023-10-01)
Along with the widespread adoption of solar energy, it is fundamental to develop methods and tools that help practitioners during the design phase of photovoltaic (PV) systems. Currently, multiple commercial software can ...
The nature of security: A conceptual framework for integral-comprehensive modeling of IT security and cybersecurity
(2022-06-12)
Cybersecurity is a broadly defined concept comprising security for many different types of elements. Dealing with cybersecurity is a multidimensional problem, and the damage generated by cyberattacks can be very diverse. ...
Constructing accurate equivalent electrical circuit models of lithium iron phosphate and lead–acid battery cells for solar home system applications
(2018-09-07)
The past few years have seen strong growth of solar-based off-grid energy solutions such as Solar Home Systems (SHS) as a means to ameliorate the grave problem of energy poverty. Battery storage is an essential component ...
Barrios ‘conviviendo’ con comunidades cerradas: entre el miedo y la segregación. Caso de la GAM-Costa Rica
Neighborhoods “cohabiting” with gated communities: between fear and segregation. GMA- Costa Rica’s case
(2019-06-30)
El miedo al crimen parece ser una preocupación constante en Costa Rica y América
Latina. Este temor podría estar cambiando los patrones de urbanización, dando paso a
comunidades cerradas. Paradójicamente, esos desarrollos ...
A sustainable lignocellulosic biodiesel production integrating solar- and bio-power generation
(2016-06-04)
A solar-bio-powered refining concept has been developed to establish sustainable lignocellulosic biodiesel production. The refining concept applies a combined hydrolysis process without detoxification to release sugars ...
Impacto del terremoto de Limón de 1991 en el diseño estructural de puentes
Impact of the 1991 Limón Earthquake on structural design of bridges
(2021)
This article describes the main damages observed in vehicular bridges as a consequence of the 1991 Limón earthquake. It also shows how this seismic event originated changes in the regulations that govern the design and ...
Percepción ciudadana sobre la seguridad y visitación de los espacios públicos: un estudio exploratorio sobre parques públicos regionales en Costa Rica
Citizen Perception of Security and Visitation of Public Spaces: An Exploratory Study on Regional Public Parks in Costa Rica
Percepção cidadã sobre segurança e visitação de espaços públicos: um estudo exploratório sobre parques públicos regionais na Costa Rica
(2023)
El objetivo del presente artículo es indagar la relación del uso, dinámicas y percepciones de seguridad de las personas usuarias de los tres parques regionales urbanos del
área metropolitana de Costa ...
Identificación de modos de torsión empleando la medición de vibraciones ambientales y el análisis espectral en dos edificios de concreto reforzado
Identification of torsional modes using ambient vibrations and spectral analysis in two reinforced concrete structures
(2020)
En esta investigación se realizó un análisis espectral de la respuesta estructural de dos edificios de concreto reforzado, de 18 m y 56 m de altura y con distintos niveles de irregularidad en planta, al ser sometidos a ...