Browsing Facultad de Ciencias Exactas y Naturales by Title
Now showing items 118-137 of 272
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Hábitat potencial y uso de hábitat del cocodrilo americano (Cocodrilus acutus) y su relación con la vulnerabilidad de cinco poblados del Pacífico Central de Costa Rica ante posibles incidentes humano-cocodrilos
(Universidad Nacional, Costa Rica, 2020)El Crocodylus acutus es una especie que posee un papel importante dentro del ambiente natural, ya que ayuda a mantener el equilibrio ecológico. Sin embargo, se ha visto amenazado por la pérdida de su hábitat, debido ... -
Hidrography and river plumes in Golfo Dulce, South Pacific of Costa Rica
(Universidad de Costa Rica, 2015-07)Oceanographic variables at 33 stations distributed in Golfo Dulce, Costa Rica, during the dry and rainy seasons between 2009 and 2010, were analyzed with CTD profiles, where salinity, temperature, sigma-T and currents were ... -
Historia de la matemática una herramienta metodológica en procesos de enseñanza y aprendizaje de la geometría en el currículo de sétimo año
(Universidad Nacional, Costa Rica, 2003)Designs and develops an alternative proposal on how to implement in the classroom the study of the contents of geometry in the seventh year with the help of historical elements of mathematics. In this research, 60 high ... -
Human resources in computer sciences in Costa Rica: The elusive gap between supply and demand
(International Conference on Information Society, 2017-07-17)We analyze in this paper the supply and demand of human resources in computer sciences in Costa Rica. This is done with the aim of validating claims made by the local media about a large deficit of professionals for ICT ... -
Implant recognition and gender expression following ampoule-androgenic gland implantation in Litopenaeus vannamei females (Penaeidae)
(Aquaculture Vol.468 Part 1. 471-480, 2017-02-01)Indirect evidence indicates that penaeids may have a W/Z sex heritability mechanism with the androgenic gland (AG) mediating masculine differentiation. The present study evaluated the immune response against grafts and the ... -
Implementación de la metodología Six Sigma SDLC para la mejora de la calidad del proceso de desarrollo web.
(2015-06-05)En Accenture Costa Rica, el desarrollo de software web es uno de las líneas de trabajo con mayor auge en la industria de producción digital, en la cual las cargas de trabajo exigen lo mejor de cada uno de los recursos en ... -
Implementación de un proceso innovador para el sistema de localización y verificación de fincas del estado
(2015-11-13)Como parte de su propio accionar, el Estado adquiere, en el marco de la propiedad privada, inmuebles de distintas maneras (compras, expropiaciones, donaciones, entre otras). Por este motivo la situación jurídica de estas ... -
Importancia de la batimetría de las planicies abisales en la propagación de tsunamis transoceánicos
(Ciencia y tecnología Vol.25,No.1-2 22-33, 2007)The initial form of a tsunami originated by an homogeneous seismic source consists on a simple wave front. While the tsunami propagates in deep water, this simple form suffers several modifications ... -
In vitro digestibility and proteases inhibitory effect of several feedstuffs for Parachromis dovii juveniles and P. dovii hybrid larvae
(Fish Physiology and Biochemistry Vol.42 No.6 1767-1776, 2016)Parachromis dovii, a native cichlid from Costa Rica, is highly appreciated for its size and flesh quality. Further, P. dovii easily accept inert feed from the beginning of exogenous feeding; however, its growth is low ... -
Indicadores ambientales de áreas verdes urbanas para la gestión en dos ciudades de Costa Rica
(2018-08)Abstract: Environmental indicators of urban green areas for management in two cities of Costa Rica. Environmental quality contributes to the physical and mental well-being of the population. In this way, the green areas ... -
Induction of sperm activation in open and closed thelycum penaeoid shrimps
(Aquaculture vol.216 no.1-4 371-381 2003, 2003)A modified egg water (EW) technique for in vitro induction of sperm activation was applied to Trachypenaeus byrdi, Xiphopenaeus riveti (closed thelycum shrimps), and Litopenaeus occidentalis (open thelycum) from a tropical ... -
Information systems management issues in Central America: A multinational and comparative study
(Journal of Strategic Information Systems, 1997-12-03)As businesses move to increased levels of globalization, information systems (IS) management issues in the global economy become increasingly significant. This study identified and evaluated the key IS management issues ... -
Information systems management issues in Central America: A multinational and comparative study
(Journal of Strategic Information Systems, 1997-12-03)As businesses move to increased levels of globalization, information systems (IS) management issues in the global economy become increasingly significant. This study identified and evaluated the key IS management issues ... -
Information technology and sustained competitive advantage: A resource-based analysis
(MIS Quarterly: Management Information Systems, 1995-12)The concept of IT as a powerful competitive weapon has been strongly emphasized in the literature, yet the sustainability of the competitive advantage provided by IT applications is not well-explained. This work discusses ... -
Information technology and sustained competitive advantage: A resource-based analysis
(MIS Quarterly: Management Information Systems, 1995-12)The concept of IT as a powerful competitive weapon has been strongly emphasized in the literature, yet the sustainability of the competitive advantage provided by IT applications is not well-explained. This work discusses ... -
Innovación en la Gestión del Sistema de Planificación de la Universidad Nacional
(2015-06-22)En la Universidad Nacional existe un Sistema de Planificación formalmente constituido y normado desde el Estatuto Universitario. Al igual, existe otra normativa interna y externa que da sustento a su existencia. Sin ... -
Innovación en las empresas de desarrollo de software costarricense: Aplicabilidad del modelo de roles A-F
(Universidad Nacional, 2019)En este artículo se analiza la innovación en empresas de desarrollo de software costarricense y se indaga sobre la aplicabilidad del modelo de roles A-F en dichas empresas. Con base en la información obtenida a través ... -
Innovation management in software: Case studies from the Costa Rican software development industry
(Proceedings of the 2013 39th Latin American Computing Conference, 2013-10-07)We study in this work innovation in several Costa Rican software development companies, in order to associate to each of them a model of innovation management, according to the literature. This is done with the purpose of ...
