Listar Grupos de Investigación por fecha de publicación
Mostrando ítems 81-100 de 234
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Arándano: Una opción para la diversificación de la agricultura en zonas altas
(Instituto Tecnológico de Costa Rica., 2015)El arándano (Ericaceae, Vaccinium spp) es una baya de color oscuro, azulada. Constituye una de las fuentes más importantes de antocianos y carotenoides que le confieren propiedades antioxidantes. Sus frutas son de bajo valor ... -
Age Hardening in Ultrafine-Grained Al-2 Pct Fe Alloy Processed by High-Pressure Torsion
(Springer Boston, 2015-06)A cast Al-2 wt pct Fe alloy was processed by high-pressure torsion (HPT) at room temperature and then subjected to artificial aging at temperatures of 373 K and 473 K (100 °C and 200 °C). The aging behavior was studied by ... -
A CFD parametric study on the performance of a low-temperature-differential γ-type Stirling engine
(Elsevier Ltd, 2015-12)An in-house CFD code has been applied to a low-temperature-differential (LTD) γ-type Stirling engine to understand the effects posed by several geometrical and operational parameters on engine performance. The results ... -
Mejoramiento de las capacidades institucionales para la gestión del territorio en la Región Huetar Norte, mediante la implementación de una Infraestructura de Datos Espaciales
(Instituto Tecnológico de Costa Rica., 2016)La Región Huetar Norte ha venido en los últimos años propiciando su propio desarrollo interno principalmente en temas socioeconómicos y para esto resulta importante contar con información de calidad para la toma de ... -
Optimización de la producción de biodiesel a partir de plantaciones de Jatropha curcas (tempate): contribuciones a la problemática mundial sobre la sincronía floral de la especie.
(Instituto Tecnológico de Costa Rica., 2016)Los biocombustibles como fuente energética poseen grandes beneficios al compararla con los combustibles fósiles tradicionales, pues pueden generar energía carbono-neutro. A nivel mundial, los cultivos para biocombustibles ... -
User-friendly Instructional Design Tool to Facilitate Course Planning
(LACLO 2016, 2016)Plan and take into account the whole picture of the course before it starts, must be a prerequisite for the instructors. At the Tecnol´ogico de Costa Rica, a problem related to course planning has been identified; it is ... -
Metodología para el aseguramiento de la calidad en el desarrollo de aplicaciones para dispositivos móviles
(Instituto Tecnológico de Costa Rica., 2016)En la tabla 1 se listan los investigadores, sus grados académicos, a unidad a la que pertenecen y el periodo que participaron en este proyecto. En el informe final de este proyecto se omite el Documento 1 - que constituye un ... -
Estrategia de Visibilidad de Recursos Educativos Abiertos para el Sistema de Educación Costarricense a través de un Repositorio Institucional
(Instituto Tecnológico de Costa Rica, 2016)The educational materials generated at the university have high quality and a huge potential to be useful to a large number of students and teachers. However, these educational resources themselves can not be used by ... -
Authenticity and versioning of learning objects using the digital signature infrastructure of Costa Rica
(LACLO 2016, 2016)There are a large number of educational resources available on the Internet through different repositories. However, authenticity methods of learning objects has not been widely adopted by repositories, making it difficult ... -
Hacia una Producción más limpia en Latinoamérica a través de la integración de Educación Ambiental, Ingeniería y Administración de Negocios.
(Instituto Tecnológico de Costa Rica., 2016)La industrialización en Latinoamérica ha incrementado los niveles de contaminación industrial y el agotamiento de los recursos, así como la exposición humana a sustancias tóxicas. Con la proyección de crecimiento económica ... -
Mejoramiento del sistema de producción de árboles de navidad en Costa Rica
(Instituto Tecnológico de Costa Rica., 2016)El cultivo del ciprés (Cupressus lusitanica) como árbol de navidad en Costa Rica data de aproximadamente 40 años y produce hoy aproximadamente 500 mil árboles/año en pequeños productores que mantienen limitaciones técnicas ... -
Beyond productivity and continuous improvement: Fundamentals required for lean complex transformation unpublished
(Elsevier, 2016)Lean Practices are well known and applied worldwide; their implementation purpose must be tailor-made because each firm is unique. There is a whole “management philosophy” behind it; its origins are based on Toyota’s Just ... -
An impact evaluation of a fund to finance innovation in SMEs
(Emeral, 2016)Purpose – The purpose of this paper is to estimate the impact of one productive development program (PROPYME) in a developing nation like Costa Rica. This program seeks to increase the capacity of small and medium-sized ... -
Upregulation of PI3K/AKT/mTOR, FABP5 and PPARβ/δ in human psoriasis and imiquimodinduced murine psoriasiform dermatitis model
(Acta Dermato-Venereologica, 2016)Psoriasis is a common, and currently incurable chronic immune-mediated skin disease, with incompletely understood etiology partially due to the unavailability of animal models that can emulate major features of the disease. -
Irazú: cubesat mission architecture and development
(Scopus, 2016)The Central American Association of Aeronautics and Space (ACAE) and the Costa Rican Institute of Technology (TEC), in partnership with industry and government, have identified the promotion of aerospace as a very promising ... -
A Recommender System for Learning Objects on a Learning Management System: Implementation Experience
(LACLO 2016, 2016)This paper aims to present the experience of implementing a recommender system for selecting learning objects (LO) for lessons through the Learning Management System (LMS) of Costa Rica Institute of Technology. Our ... -
Mitigación de malos olores generados en plantas de tratamiento de aguas residuales: Estudio de caso El Roble de Puntarenas
(Instituto Tecnológico de Costa Rica., 2016)La planta de tratamiento de aguas residuales de El Roble de Puntarenas, administrada por el AyA y construida hace más de 20 años, no cuenta con medidas apropiadas para el control de malos olores en sus unidades de ... -
Spermiogram and sperm head morphometry assessed by multivariate cluster analysis results during adolescence (12-18 years) and the effect of varicocele
(Asian Journal of Andrology, 2016)This work evaluates sperm head morphometric characteristics in adolescents from 12 to 18 years of age, and the effect of varicocele. Volunteers between 150 and 224 months of age (mean 191, n = 87), who had reached oigarche ... -
Upper extremity musculoskeletal pain among office workers in three Spanish-speaking countries: findings from the CUPID study
(Occupational and Environmental Medicine, 2016)Objectives To estimate the prevalence and incidence of upper extremity musculoskeletal pain (UEMP) and related disability among office workers in Costa Rica, Nicaragua and Spain. Methods Data from the multinational ... -
Telework: conditions that have a positive and negative impact on the work-family conflict
(Academia Revista Latinoamericana de Administración, 2016)Purpose – Various investigations have shed light on the positive and negative effects of telework on the work-family conflict. These effects might be related to the conditions under which telework is carried out. The ...