Repositorio TEC: Recent submissions
Now showing items 4461-4480 of 9229
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LHC
(Instituto Tecnológico de Costa Rica, 2017)Housing is a subject that must be continuously analyzed from the architectural perspective. Human needs change, the way we interact and live varies. The ´Curridabat Housing Laboratory´ project analyzes housing-city-legislation- ... -
Espaciar Armar Compactar
(Instituto Tecnológico de Costa Rica., 2017)The present project focuses on the small scale as an approach for the reconfiguration and intervention of the existing infrastructure of the Community Center Building of Jesus, Santa Bárbara, Heredia through “spacing”, ... -
Plan maestro y diseño de infraestructura para la zona de Wafer y Chatam del Parque Nacional Isla del Coco
(Instituto Tecnológico de Costa Rica, 2017)Cocos Island is the furthest National Park from Costa Rican territory, that is also a conservation center of nature, important wildlife refuge, Natural Heritage of Humanity, object of multiple investigations focused on the ... -
Molecular identification of Trichoderma spp. in garlic and onion fields and In Vitro antagonism trials on Sclerotium cepivorum
(Revista Brasileira de Ciencia do Solo, 2016)Trichoderma species are non-pathogenic microorganisms that protect against fungal diseases and contribute to increased crop yields. However, not all Trichoderma species have the same effects on crop or a pathogen, whereby ... -
Model reduction of a flexible-joint robot: a port-Hamiltonian approach
(IFAC-PapersOnLine, 2016)In this paper we explore the methodology of model order reduction based on singular perturbations for a flexible-joint robot within the port-Hamiltonian framework. We show that a flexible-joint robot has a port-Hamiltonian ... -
Kiln drying behavior utilizing drying rate of lumber from six fast-growth plantation species in Costa Rica
(Drying Technology, 2016)The objective was to study the effect of the drying time and moisture content variations on the drying rate during kiln drying. The moisture content is a good predictor of the variation in drying rate; to determine the ... -
Ganho genético esperado para melina (Gmelina arborea roxb.) em cordoba (Colômbia)
(Revista Arvore, 2016)El Departamento de Córdoba (Colombia) planea plantar 200000 ha para el 2025 y Gmelina arborea es una de las opciones dada su alta producción de biomasa en turnos cortos. El objetivo del estudio fue estimar el potencial ... -
Experiences of educational use of technologies a case of facebook, google plus and the use of blogs
(Proceedings - 2016 11th Latin American Conference on Learning Objects and Technology, LACLO, 2016)This workshop considers to share some experiences of educational practice of technologies used in English courses at the Technological Institute of Costa Rica, known in Spanish by its abbreviation (ITCR) throughout three ... -
ESACEM: estudio de la autoconfianza matemática en estudiantes de educación media
(Instituto Tecnológico de Costa Rica. Escuela de Matemática, 2016)El proyecto de investigación plantea el estudio de la “autoconfianza matemática” de los/as estudiantes de la educación media costarricense. La “autoconfianza matemática” es una creencia sobre la propia competencia ... -
Evaluation of wood properties from six native species of forest plantations in Costa Rica
(Bosque, 2016)This study details information about physical, chemical and mechanical properties, drying, preservation and workability of wood from Cordia alliodora, Dipteryx panamensis, Enterolobium cyclocarpum, Hieronyma alchorneoides, ... -
Effects on density, shrinking, color changing and chemical surface analysis through FTIR of Tectona grandis thermo-treated: Density, shrinking, color changing and chemical analysis by FTIR of the thermally-treated teak wood
(Forest Sciences, 2016)Thermal-treatment wood is used as an option to improve durability of wood in recent years. This study evaluated the effect of temperature in thermally treated Tectona grandis wood in density, shrinking, color changing ... -
Effect of pretreatment temperature on the surface modification of diatomite with trimethylchlorosilane
(Journal of Porous Materials, 2016)Diatomite samples from Costa Rica were purified using acidic treatments with hydrochloric acid, thermally treated (400–1000 C) and then silylated with trimethylchlorosilane in toluene under inert atmosphere. The ... -
Effect of an energy supplementation, weaning and oestrous synchronisation on ovarian activity and ovulation in early postpartum primiparous Bos indicus cows raised in the tropics of Costa Rica
(Animal Production Science, 2016)To evaluate the effect of an energy supplementation, 26 postpartum Bos indicus cows were assigned either to receive an energy diet supplementation (n = 11, SSD) or no supplementation (n = 15, NSSD). Cows in the SSD ... -
Learning styles comparison based on a classification methodology
(IEEE, 2017)Learning styles have been used to explain students’ differences in approaching their learning, but there are still deficiencies in interpreting the results of their application, and there are authors that indicate that ... -
Teacher training model - towards a Collaborative Rubric Bank
(IEEE, 2017)Beyond providing alternatives to build rubrics, a group of researchers in Tecnológico de Costa Rica found the need to implement best practices in the definition and validation of evaluation rubrics, to encourage the ... -
Implementation of Software Quality Control in E-Learning development projects: TEC Digital
(IEEE, 2017)The quality control in software applications that support the teaching-learning process is of great impact to the end user and their academic success. This paper describes the proposal of a quality control model called ... -
Integrating academic analytics for supporting accreditation and international cooperation: TEC and UABCS experience
(IEEE, 2017)Information is the most important asset of organizations, currently, the fast, effective and accurate access is vital for strategic decision making and the organizations competitiveness. The education area is not the ... -
Polyphenolic composition and antioxidant activity of aqueous and ethanolic extracts from Uncaria tomentosa bark and leaves
(Instituto Tecnológico de Costa Rica, 2018)Uncaria tomentosa constitutes an important source of secondary metabolites with diverse biological activities mainly attributed until recently to alkaloids and triterpenes. We have previously reported for the first-time ... -
Programa de selección de estudiantes
(Instituto Tecnológico de Costa Rica, 1997)En este informe se analizan algunos aspectos generales del programa de selección de estudiantes del Instituto Tecnológico de Costa Rica, tales como: justificación del programa de selección de estudiantes, principios que ... -
Implicaciones del examen de bachillerato en la educación costarricense
(Instituto Tecnológico de Costa Rica, 1988)El presente estudio es el resultado obtenido por la comisión encargada de analizar las implicaciones de las pruebas de Bachillerato de Educación Media en Costa Rica, a partir de la revisión bibliográfica y de entrevistar ...