Repositorio TEC: Envíos recientes
Mostrando ítems 5241-5260 de 9056
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Environmental gradients and the evolution of successional habitat specialization: a test case with 14 neotropical forest sites
(Blackwell Publishing Ltd, 2015-09)Successional gradients are ubiquitous in nature, yet few studies have systematically examined the evolutionary origins of taxa that specialize at different successional stages. Here we quantify successional habitat ... -
Digital integrated circuit implementation of an identification stage for the detection of illegal hunting and logging
(Institute of Electrical and Electronics Engineers Inc., 2015-09)Results of the VLSI implementation of an acoustic classification system's identification stage, intended for the detection of gunshots and chainsaws in a protected tropical area, are shown, with the idea of later building ... -
Design of an IDM-based determinant computing unit for a 130nm low power CMOS ASIC acoustic localization processor
(Institute of Electrical and Electronics Engineers Inc., 2015-09)A determinant computing circuit in floating point format has been designed and tested for use in a CMOS ASIC acoustic localization processor. The Internal Division Method (IDM) was used to implement the operation, employing ... -
Transport, stability and plasma control studies in the TJ-II stellarator
(Institute of Physics Publishing, 2015-07)The main TJ-II results since 2012 are presented in this overview. Impurity confinement is studied showing an isotopic dependence of impurity confinement time, asymmetries in parallel impurity flows in TJ-II ion-root plasmas ... -
Copper deposition on fabrics by rf plasma sputtering for medical applications
(Institute of Physics Publishing, 2015-03)The present work is about preparation and characterization of RF sputtered Cu films on cotton by the usage of a Magnetron Sputter Source and 99.995% purity Cu target at room temperature. Cotton fabric samples of 1, 2 and ... -
Escalamiento del cultivo de células en suspensión de Azadirachta indica (NEEM) en biorreactor tanque agitado para la produccion de azadiractina
(Instituto Tecnológico de Costa Rica, 2014)The following Master’s Thesis engages in the area of NeuroMuscular Electrical Stimulation (NMES), which comprises the activation of nerves and muscle fibers by applying electrical current pulses using two electrodes ... -
Propuesta de un sistema de gestión de salud y seguridad ocupacional para la empresa estructuras S.A., basado en la norma INTE/OHSAS 18001:2009
(Instituto Tecnológico de Costa Rica, 2017)En la empresa Estructuras S.A., la salud y seguridad ocupacional han sido desarrolladas atendiendo necesidades particulares para cada uno de los proyectos que se ejecutan, lo que imploca que los esfuezos y los recursos que ... -
Producto cultural turístico: San Pedro, San José, Costa Rica
(Instituto Tecnológico de Costa Rica, 2017)The project "Producto turístico cultural: San Pedro, San José, Costa Rica" focuses on identifying the cultural assets, in order to become tourisms attractions in a long term. Tourism can contribute to enhance the local ... -
Propuesta de un Sistema de Gestión en Seguridad y Salud Ocupacional, para una empresa de procesamiento de medios de pago y soluciones de negocio, basado en la norma INTE/OHSAS 18001:2009: Sistemas de Gestión en Salud y Seguridad Ocupacional
(Instituto Tecnológico de Costa Rica, 2017)Este proyecto de graduación tiene como tema central el desarrollo de una propuesta de un Sistema de Gestión en Seguridad y Salud Ocupacional para una empresa transnacional de procesamiento de medios de pago y soluciones ... -
Propuesta de diseño de plan de gestión de emisiones para carbono neutralidad de los procesos de producción y beneficiado de café, en la Empresa Café Rivense del Chirripó S.A., basado en la norma INTE12-01-06:2016
(Instituto Tecnológico de Costa Rica, 2017)El micro beneficio Café Rivense del Chirripó S.A., con el objetivo de convertirse en una empresa pionera y modelo en la Región Brunca, decidió iniciar el proceso de certificación para obtener el sello/marca C-Neutral, ... -
Guía de gestión de la calidad para los proyectos constructivos de la empresa Navarro y Avilés S.A.
(Instituto Tecnológico de Costa Rica, 2017)In this paper the project to opt for the Construction Engineering Licenciature grade at Instituto Tecnológico de Costa Rica is presented, under the modality of directed professional practice, carried out in Navarro y ... -
Gobierno corporativo, profesionalización y plan de sucesión para la Empresa ATAI de Tibás Ltda.
(Instituto Tecnológico de Costa Rica, 2017)The following project is developed in ATAI of Tibás Ltda. Family business, which is dedicated to sale technical articles for the areas of art, surveying, architecture and engineering (hence its name). Main purpose of ... -
Propuesta de estructura corporativa para la Empresa Distribuidora Ochenta y Seis S.A.
(Instituto Tecnológico de Costa Rica, 2017)Distribuidora Ochenta y Seis S.A was born almost 30 years ago in San Ramón, Alajuela, due to the vision and entrepreneurship of a young bicycle lover who started its business in a garage at early age. During his first ... -
Propuesta de un modelo de negocio auto-sostenible y eco-amigable en una finca familiar ubicada en Parrita
(Instituto Tecnológico de Costa Rica, 2017)La propuesta de un modelo de negocio eco-amigable y auto-sostenible en una finca familiar ubicada en Parrita, nace como una idea de desarrollar un emprendimiento como una oportunidad de negocio que permita generar un ... -
Constructing a small modular stellarator in Latin America
(Institute of Physics Publishing, 2015-03)This paper aims at briefly describing the design and construction issues of the stellarator of Costa Rica 1 (SCR-1). The SCR-1 is a small modular stellarator for magnetic confinement of plasma developed by the Plasma ... -
Atmospheric-Pressure Non-thermal Plasma-JET effects on PS and PE surfaces
(Institute of Physics Publishing, 2015-03)The Atmospheric-Pressure Non-Thermal Plasma (APNTP) has become a topic of a great interest for a wide spectrum of applications in different industry branches, including the surface of treatment processes. In this work we ... -
Design of a Prototype of Water Purification by Plasma Technology as the Foundation for an Industrial Wastewater Plant.
(Institute of Physics Publishing, 2015-03)In order to mitigate the contamination of water sources due to the spill of sewage without any kind of treatment, mainly generated by the industrial sector; a prototype of water purification by plasma technology has been ... -
Are magnetic resonances practical transport controllers in fusion plasmas? the TJ-II experience
(Institute of Physics Publishing, 2015-03)The TJ-II stellarator is a mid-size Heliac design (high rotational transform, low magnetic shear) that allows for external control of the rotational transform profile. The long experience with locating diverse magnetic ... -
Application of the X-ray densitometry in the evaluation of the quality and mechanical properties of biomass pellets
(Elsevier, 2015-04)The use of the X-ray technique and the X-ray densitometry to determine pellet particle distribution and to understand the biomass compaction and its effects in pellet properties has been limited. The present work evaluates ... -
Application of block matrix theory to obtain the inverse transform of the vector-valued DFT
(Hikari Ltd., 2015)We study the vector-valued discrete Fourier transform (vector-valued DFT) and its inverse transform, the vector-valued DFT inversion, through its block matrix representation. These transforms are defined for N- periodic ...