Browsing Artículos by Issue Date
Now showing items 1-20 of 27
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Estudio de opinión y efectividad de los clientes en relación con las promociones de recarga en el mercado de telecomunicaciones en Costa Rica.
(Instituto Tecnológico de Costa Rica., 2013)El presente artículo pretende demostrar el nivel de satisfacción que poseen los usuarios de telefonía celular prepago, no sólo con el servicio que actualmente se les ofrece, sino también con las promociones que en las que ... -
Experiencia en el uso de herramientas y procesos para mejorar la visibilidad de un repositorio institucional basado en DSpace:
(Instituto Tecnológico de Costa Rica, 2015)El poster hace un recorrido de la historia del RepositorioTEC, repositorio institucional del Instituto Tecnológico de Costa Rica. Cómo se ha desarrollado desde 2002 hasta 2015. -
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 ... -
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 ... -
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 ... -
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 ... -
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. -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Potential aplication of bank filtration in Santa Catarina, Brasil
(Interciencia, 2016)A filtração em margem (FM) consiste na obtenção de água de um aquífero e de um manancial por meio de poços ou galerias nas margens de mananciais superficiais com conexão hidráulica entre ambos. Para determinar as áreas ... -
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 ... -
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 ... -
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 ... -
Experiencia de fortalecimiento del RepositorioTEC: mejoras en el proceso de recolección de documentos para aumentar la visibilidad
(Instituto Tecnológico de Costa Rica, 2017)La publicación, gestión, preservación y divulgación de la memoria intelectual desarrollada por estudiantes, profesores e investigadores en una universidad es de suma importancia, pero muchos miembros de la comunidad ...