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Now showing items 1845-1864 of 13574
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Challenges and opportunities developing original digital english teaching material in pandemic times
(Universidad Nacional, Costa Rica, 2021)There are many reasons why English teachers may create their own digital teaching material even though there is enough online. This essay describes some of the reasons why teachers should create their own digital instructional ... -
Challenges and possible solutions for english teaching and learning in the province of Guanacaste, Costa Rica
(Universidad Nacional, Costa Rica, 2022)This essay explores and presents challenges and possible solutions associated with English teaching and learning in Guanacaste, Costa Rica. It covers the reality of public bilingual education in Guanacaste, single-teacher ... -
Challenges facing Gnöbe English Teaching Majors: An Exploration of the Quinquennial Plan for the Indigenous Peoples
(Universidad de Costa Rica, 2018-03)In this paper, we scrutinize the extent to which authorities and profes-sors from the Coto Campus, Brunca Extension, have orchestrated efforts to ensure the successful implementation of the Quinquennial Plan for ... -
Challenges of Professional Development for Technology Integration in Higher Education
(Universidad ORT, Uruguay, 2021-07-08)Los modelos, enfoques y programas de desarrollo profesional docente (TPD) han contribuido en cierta medida a superar las barreras que el profesorado en Educación Superior experimenta para la adopción de las Tecnologías de ... -
Challenges posed by virtual education during the COVID-19 pandemic and the opportunities offered by communicative language teaching in Costa Rica
(Universidad Nacional, Costa Rica, 2021)Since the COVID-19 started, the education field has been forced to adapt to the new reality to continue with the learning process of students. However, this virtual process took a lot of effort and patience from all the ... -
Challenging the Monolingual Bias in EFL Programs: Towards a Bilingual Approach to L2 Learning
(Universidad Nacional, Costa Rica, 2016)En este artículo, cuestiono la práctica de reducir el aprendizaje de una segunda len gua o lengua extranjera (bilingüismo emergente) a la adquisición de la competencia lingüística equivalente a la de un hablante monolingüe ... -
Changes in digestive enzymes activities during the initial ontogeny of wolf cichlid, Parachromis dovii (Perciformes: Cichlidae)
(Sociedade Brasileira de Ictiologia, 2019)Wolf cichlid, Parachromis dovii, is a species with a high potential for aquaculture in Central America; however, the knowledge of the digestive physiology in larvae period is limited. For these reason, this study evaluated ... -
Changes in land cover in coastal erosion hotspots in the southern Caribbean of Costa Rica during the period 2005-2017
(Universidad Nacional, Costa Rica, 2021-07-31)Studies conducted in recent years have warned us about the effects generated by changes in the coastline along the Southern Costa Rican Caribbean coast. The objective of this research is to evaluate this effect on land ... -
Changes in Phlebotomine Sand Fly Species Composition Following Insecticide Thermal Fogging in a Rural Setting of Western Panamá
(PLOS ONE, 2013-01-09)American Cutaneous Leishmaniasis, ACL, is a zoonotic disease with a large richness of co-occurring vector species in transmission foci. Here, we describe changes in patterns of phlebotomine sand fly (Diptera: Psychodidae: ... -
Changes in the protein fraction of Merluccius Bilinearis muscle under lactic acid bacterial fermentation using a Lactobacillus Acidophilus starler culture.
(Universidad Nacional (Costa Rica), 1987-01-01)The effect of lactic acid bacterial fermentation on the protein fraction of Merluccius bilinearis muscle was evaluated. The non-protein fraction increased progressively with corresponding decreases in the percentage ... -
La chanson et son enseignement Quelles stratégies dans la classe FLE ? Pour quels publics ?
(Universidad Nacional, Costa Rica, 2012)La autora de este ensayo analiza la utilización de la canción como una valiosa herramienta para estudiar la diversidad cultural y desarrollar la competencia cultural. Hace una breve reseña de las estrategias pedagógicas ... -
Characteristic atmospheric states during mid‑summer droughts over Central America and Mexico
(Springer, 2020-05-10)Annual precipitation over Central America and large areas of Mexico is typically characterised by its bimodal distribution, with a precipitation minimum in July to August that occurs between two separate maxima from May ... -
Characteristics of the spontaneous deposition of Sn in polycrystalline Pt
(2012-04)Spontaneous deposition of tin (Sn) in polycrystalline platinum (Pt pc) from a sulfuric acid solution of tin salts, was evaluated by conventional electrochemical techniques, to determine its characteristics. Tin was deposited ... -
Characteristics of the venoms and digestive secretions of Aphonopelma seemanni and Sphaerobothria hoffmanni (Araneae: Theraphosidae) of Costa Rica
(Universidad de Costa Rica, 1987)A comparison of some components of the venoms of two Costa Rican tarantulas, Aphonopelma seemanni (Cambridge) and Sphaerobothria hoffmanni (Karsch) by polyacrylamide gel electrophoresis shows patterns similar to those of ... -
Characterization and applications of silver nanoparticles-decorated electrospun nanofibers loaded with polyphenolic extract from rambutan (Nepelium lappaceum)
(Elsevier B.V., 2020-05)Rambutan (Nephelium lappaceum) is a traditional fruit originally from Asia and now widely available in Central America. The rind of rambutan is rich in antioxidants, especially polyphenols, which have natural anti-inflammatory ... -
Characterization and development of citizenship competence in the training of secondary school mathematics teachers
(Tecnológico de Costa Rica, 2016)This paper is intended to determine the knowledge of teachers during their period of training of what characterizes a good citizen, to shed light on the concept of citizenship through activities related to the teaching ... -
Characterization of a recent malaria outbreak in the autonomous indigenous region of Guna Yala, Panama
(BioMed Central, 2015-11-17)Background: This study aims to describe the epidemiological and entomological factors associated with a recent malaria outbreak that occurred in 2012 in a socially marginalized population from Guna Yala Comarca in Panama. ... -
Characterization of Anaplasma spp. infection in dogs from Costa Rica
(Universidad Nacional, Costa Rica, 2017-02-09)A cross-sectional study combining serological and molecular techniques for detecting selected Anaplasma species was conducted between 2011 and 2012 in dogs and ticks sampled in all provinces of Costa Rica. Global Anaplasma ... -
Characterization of attack events on sea turtles (chelonia mydas and lepidochelys olivacea) by jaguar (panthera onca) in naranjo sector, santa rosa national park, Costa Rica
(International Journal of Conservation Science, 2016-01)In this study, we examined sea turtles consumption by jaguars and their temporal and spatial distribution at Naranjo beach, Santa Rosa National Park Costa Rica. We include information about sea turtle consumption rate by ... -
Characterization of Brucella abortus and Brucella melitensis native haptens as outer membrane O-type polysaccharides independent from the smooth lipopolysaccharide
(American Society for Microbiology, 1996)Brucella native haptens (NHs) extracted with hot water from smooth (S)- type B. abortus and B. melitensis were purified to high levels of serological activity and compared with the polysaccharide obtained by acid hydrolysis ...