Repositorio TEC: Recent submissions
Now showing items 4421-4440 of 9229
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Diseño de un sistema electrónico inalámbrico de adquisición de datos para la toma de decisiones en un sistema hidropónico de lechuga en un invernadero del TEC sede San Carlos
(Instituto Tecnológico de Costa Rica, 2017)El proyecto pretende realizarse en 3 de los invernaderos que posee la Sede Regional de San Carlos del Instituto Tecnológico de Costa Rica, donde se monitoreará por medio de una comunicación inalámbrica el sistema de riego ... -
Efecto de dos programas de fertilización sobre la calidad y el rendimiento del cultivo de ñampi (Colocasia esculenta var. antiquorum) en dos zonas productoras de la Región Huetar Norte.
(Instituto Tecnológico de Costa Rica, 2017)The research was carried out in Agua Azul farm in La Fortuna de San Carlos, Alajuela, Costa Rica and La Vega farm in La Vega, San Carlos, Alajuela, Costa Rica, where the response on quality and yield of the ñampí was ... -
Establecimiento de parcelas de escorrentía para la estimación de la erosión hídrica generada por la actividad ganadera en la microcuenca del Río Santa Rosa, Guanacaste
(Instituto Tecnológico de Costa Rica, 2017)With the purpose of generating information for the establishment of a management plan of the erosion problem that triggers the filling of the reservoirs that form part of the Arenal-Corobicí-Sandillal Generation Center, a ... -
Tracking dipeptides at work-uptake and intracellular fate in CHO culture
(AMB Express, 2016)Market demands for monoclonal antibodies (mAbs) are steadily increasing worldwide. As a result, production processes using Chinese hamster ovary cells (CHO) are in the focus of ongoing intensification studies for maximizing ... -
Towards autotrophic tissue engineering: photosynthetic gene therapy for regeneration
(Biomaterials, 2016)The use of artificial tissues in regenerative medicine is limited due to hypoxia. As a strategy to overcome this drawback, we have shown that photosynthetic biomaterials can produce and provide oxygen independently of blood ... -
Eficiencia de control de la roya del cafeto (Hemileia vastatrix Berk. & Br.) con triazoles y estrobilurinas en El Rosario de Naranjo Costa Rica
(Instituto Tecnológico de Costa Rica, 2017)A study was carried out in the town of Rosario de Naranjo, in the province of Alajuela, Costa Rica, in order to evaluate the use of the mixtures of triazoles with strobilurins for the control of the Roya del Cafeto (Hemileia ... -
Control poblacional de Meloidogyne spp en el cultivo de Tomate (Lycopersicum esculentum) mediante extractos vegetales bajo ambiente protegido en San Carlos
(Instituto Tecnológico de Costa Rica, 2016)The effect of different plant extracts on the population of Meloidogyne ssp. was evaluated in tomato hybrid cultivar "JR" inoculated with 100 and 150 individuals of eggs and young nematodes per container 10 L under protected ... -
Efecto de la incorporación de silicato de magnesio en la fertilización mineral del cultivo de maíz (Zea Mays L.) en Finca La Vega, San Carlos
(Instituto Tecnológico de Costa Rica, 2016)The following research addresses, as main objective the effects of the inclusion of magnesium silicate on the mineral fertilization of the cultivation of corn. This research was done in Finca La Vega, belonging of the ... -
Crecimiento, producción y extracción nutricional en los cultivos protegidos de chile dulce (Capsicum annuum L.) y tomate (Solanum lycopersicum L.) utilizando dos soluciones nutritivas en Santa Clara, San Carlos, Costa Rica.
(Instituto Tecnológico de Costa Rica, 2017-01)This experiment was between December 2014 and June 2015 in San Carlos, Costa Rica. In order to evaluate vegetative growth, fruit production and nutritional extraction, two essays were performed with two horticultural species ... -
Efecto de la aplicación de ALGASOIL ® sobre el rendimiento y valor nutricional del kikuyo (Pennisetum clandestinum Hoechst. Ex Chiov.) en Palmira, Zarcero, Alajuela, Costa Rica
(Instituto Tecnológico de Costa Rica, 2017)Aguilar, R. 2017. Effects of the application of Algasoil® on the efficacy and nutritional value of the kikuyo (Pennisetum clandestinum Hoechst Ex Chiov.) In Palmira, Zarcero, Alajuela, Costa Rica. The present work was ... -
Efecto de la fertilización orgánica e inorgánica, en el rendimiento de un clon de cacao (Theobroma cacao, L) y en la fertilidad del suelo
(Instituto Tecnológico de Costa Rica, 2016)Applications of ammonium nitrate (33.5% N), as a source of nitrogen, phosphate rock (30% P2O5, 40% CaO, 10% SiO) as a source of phosphorus, potassium chloride (60% K2O, 45% Cl) as a source of potassium, Bokashi as a source ... -
The release of wastewater contaminants in the Arctic: A case study from Cambridge Bay, Nunavut, Canada
(Scopus, 2016)The treatment of municipal wastewater in the Arctic is challenging due to a variety of financial, operational, climatic and technical issues. To better understand the efficacy of current wastewater treatment in this ... -
Synthesis, properties, and two-dimensional adsorption characteristics of 5-amino[6]hexahelicene
(Willy, 2016)A convergent synthesis of racemic 5-amino[6]hexahelicene is described. Cross-coupling reactions are used to assemble a pentacyclic framework, and a metal-catalyzed ring-closure comprises the final step. The enantiomers ... -
Surface chemical and color characterization of juvenile tectona grandis wood subjected to steam-drying treatments
(2016)The color of Tectona grandis wood is an attribute that favors its commercialization, however, wood color from fast-growth plantation trees is clear and lacks uniformity. The aim of this work is to characterize steamed ... -
Evaluación de tres selladores de barrera para el control de células somáticas e incidencia de mastitis en bovinos de leche en San Rafael de Vara Blanca, Heredia
(Instituto Tecnológico de Costa Rica, 2016-10)The study evaluated the effectiveness of three barrier sealants for the somatic cell count (SCC) and the incidence of mastitis in dairy cattle. The study took place in Vara Blanca Agricultural Farm located in San Rafael, ... -
Efecto de la aplicación del producto NITROBACTER® dentro de un plan de fertilización nitrogenada sobre el crecimiento y rendimiento de melón dorado (Cucumis melo L.) hibrido 6276 en pilas de canjel, Nandayure, Guanacaste
(Instituto Tecnológico de Costa Rica, 2016-08)This research was conducted at the Finca Agroexportaciones Canjel SA in Pilas de Canjel Nadayure. The process evaluated the effect on the development of the golden melon crop, 6276 hybrid; as part of the product Nitrobacter. ... -
Crecimiento, producción y absorción nutricional del cultivo de pepino (CUCUMIS SATIVUS l.) con dos soluciones nutritivas en ambiente protegido en la zona de San Carlos, Costa Rica
(Instituto Tecnológico de Costa Rica, 2016-11)We cultivated cucumber (Cucumis sativus L.) in greenhouse using two nutritive solutions in opened hydroponic system at San Carlos Costa Rica, between August 2015 and 2016 January., Cultivars used were Monalisa, Modán RZ, ... -
Evaluación de los métodos de inseminación artificial intracervical e intrauterina, sobre parámetros productivos y reproductivos en cerdas primíparas y multíparas en condiciones tropicales
(Instituto Tecnológico de Costa Rica, 2016)The biology of porcine reproduction and current reproductive technologies are described in this literature review, focusing on the implementation, as well as advantages and disadvantages, of artificial insemination. The ... -
Manual de procedimientos y manual de organización para supermercados San Miguel
(Instituto Tecnológico de Costa Rica, 2017)This following project shows as its main goal the development of a manual of procedures that alllows document the main procedures of Supermercados San Miguel in order to contribute with the increasing of the efficiency and ... -
Scientometric analysis of Colombian research on bio-inoculants for agricultural production
(Universitas Scientiarum, 2016)The excessive use of synthetic chemical inputs in agricultural production has led to the disruption of biogeochemical cycles. One of the alternatives that arose within the systems of sustainable agriculture was the partial ...