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Now showing items 7-26 of 5726
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A 10 años del referéndum por el TLC
(Universidad Nacional, Costa Rica, 2017-11)El 7 de octubre de 2017 se cumplieron 10 años del primer referéndum realizado en el país: el correspondiente a la decisión de aprobar o rechazar el Tratado de Libre Comercio entre Centroamérica, República Dominicana y ... -
A 50 años de Pedro Páramo /
(Áncora. La Nación, 2012-11-09) -
A change laboratory professional development intervention to motivate university teachers to identify and overcome barriers to the integration of ICT
(Outlines -Critical Practice Studies, 2018-05-11)Change is one of the central aims of professional development for information and communication technologies integration in education. Studies on the use of ICT in education highlights the large investments in infrastructure ... -
A checklist of the amphibians and reptiles of Río Macho Biological Station, Provincia de Cartago, Costa Rica
(Check List vo.11 no.6 article 1784 1-10 2015, 2015-11-02)We provide a checklist of the amphibians and reptiles of Río Macho Biological Station (RMBS), Costa Rica. During a period of a year (2012–2013) we conducted visual and acoustic surveys in a natural mature forest plot (>50 ... -
A closer look into learner autonomy in the EFL classroom
(Escuela de Lenguas Modernas, Universidad de Costa Rica, 2013)Learner autonomy in the English as a Foreign Language (EFL) class-room involves conscious, reflective decisions and explicit procedures from students. When students participate actively, the process of internalizing the ... -
A Collaborative Effort Between Caribbean States for Tsunami Numerical Modeling: Case Study CaribeWave15
(Pure and Applied Geophysics vol.175 no.2 1405-1428 2017, 2017)Historical records have shown that tsunami have affected the Caribbean region in the past. However infrequent, recent studies have demonstrated that they pose a latent hazard for countries within this basin. The Hazard ... -
A combined experimental and theoretical study of gas sorption on nanoporous silver triazolato metal-organic frameworks
(2014-01-01)A new silver-triazolate metal-organic framework (MOF), {Ag 3[Ag5(μ3-3,5-tBu 2tz)6](BF4)2}n (2), has been prepared and structurally characterized. The CO2 sorption properties of this new MOF and previously reported isostructural ... -
A combined first-principles computational/experimental study on LiNi 0.66Co 0.17Mn 0.17O 2 as a potential layered cathode material
(Elsevier, 2012-08-01)First-principles calculations are used to analyze the phase stability, formation energy, and Li intercalation potential for a series of layered cathode materials. The calculations show LiNi 0.66Co 0.17Mn 0.17O 2 as a ... -
A comparative approach to the teaching of english literature
(I Congreso Internacional de Lingüística Aplicada CONLA UNA, 2013)Esta ponencia aspira a plantear un nuevo alcance metodológico a la enseñanza de la literatura en colegios y universidades de Costa Rica donde el inglés se enseña como lengua extranjera. Motivado por la necesidad de acercar ... -
A dynamic simulation model for the blooming of Oscillatoria agardhii in a monomictic lake
(Elsevier, 1995-01-15)The occurrence of phytoplankton blooms is a common problem in water bodies. The quantitative description of the algal population growth is of primary importance to understand the mechanisms which lead to these phytoplankton ... -
A Justice to Come: The Politics of Reading
(Universidad Nacional (Costa Rica).Escuela Ecuménica de Ciencias de la Religión, 2018) -
A la deriva
(La República, 2019-07-02)Es el nombre de mi ultimo libro que resume las columnas y escritos de este último quinquenio. Se trata de un repaso de la realidad social, económica y política del país, en medio de una creciente incapacidad para tomar ... -
A la deriva: Reflexiones sobre la realidad nacional e internacional
(Centro Internacional de Política Económica para el Desarrollo Sostenible, 2017)"A la deriva” es una forma de exponer la realidad costarricense de nuestro tiempo. Si bien es cierta la expresión a la deriva da cuenta de una clásica expresión marítima, asociada con una nave que ha perdido el control o ... -
A language and a physical organization technique for summary tables
(ACM SIGMOD Record, 1985-05-01)A summary table IS a tabular representation of summary data, and is a useful data structure for statistical databases Priventive summary tables are basic building blocks of summmy tables, and can be represented as relations ... -
A long-term record of polythionates in the acid crater-lake of Poás volcano: Changes in the subaqueous input of fumarolic gases
(IAVCEI. General Assembly. Pucón-Chile, 2004-01) -
A methodological proposal to improve the descriptive paragraph writing skills of eleventh grade students from Colegio Ambientalista Isaías Retana Arias in Pérez Zéledón
(Universidad Nacional, Costa Rica, 2010)Esta investigación se realizó en el Colegio Ambientalista Isaias Retana Arias en Pérez Zeledón. Esta es una institución pública y se construyó en el año 2000. El proyecto trata sobre la mejora de las habilidades de escritura ... -
A methodological proposal to improve the descriptive paragraph writing skills of eleventh grade students from Colegio Ambientalista Isaías Retana Arias in Pérez Zéledón.
(Universidad Nacional, Costa Rica, 2010)Esta investigación se realizó en el Colegio Ambientalista Isaias Retana Arias en Pérez Zeledón. Esta es una institución pública y fue construida en el año 2000. El proyecto trata sobre la mejora de las habilidades de ... -
A mixed virtual element method for the Brinkman problem
(Mathematical Models and Methods in Applied Sciences vol.27 no.4 707-743 2017, 2017)In this paper, we introduce and analyze a mixed virtual element method (mixed-VEM) for the two-dimensional Brinkman model of porous media flow with non-homogeneous Dirichlet boundary conditions. More precisely, we employ ... -
A new dagger nematode, Xiphinema tica n. sp. (Nematoda: Longidoridae), from Costa Rica with updating of the polytomous key of Loof and Luc (1990)
(Springer, 2017-05-15)A new dagger nematode, Xiphinema tica n. sp., is described and illustrated from several populations extracted from soil associated with several crops and wild plants in Costa Rica. The new dagger nematode is characterised ... -
A novel host-adapted strain of Salmonella Typhimurium causes renal disease in olive ridley turtles (Lepidochelys olivacea) in the Pacific
(Universidad Nacional, Costa Rica, 2019-06-27)Salmonella spp. are frequently shed by wildlife including turtles, but S. enterica subsp. enterica serovar Typhimurium or lesions associated with Salmonella are rare in turtles. Between 1996 and 2016, we necropsied 127 ...
