xmlui.ArtifactBrowser.ConfigurableBrowse.title.metadata.type
Now showing items 1-20 of 4325
-
1492-1992 Una reflexión desde el reverso de la historia: las víctimas
(Editorial Universidad Nacional, 1992-01-01)El artículo "1492-1992 Una reflexión desde el reverso de la historia: las víctimas", señala que no se puede celebrar la muerte y la destrucción de culturas, porque tenemos memoria histórica. Desde el reverso de la historia, ... -
20 años de monitoreo de cinco especies indicadoras de la salud del Bosque en el Parque Nacional Corcovado, Costa Rica
(2013-08-22)Costa Rica es uno de los países más avanzados en América Latina en cuanto a la protección de áreas silvestres y sus recursos naturales. Sin embargo, los datos acerca de si la mayoría de las áreas boscosas costarricenses ... -
300 : los túneles de la memoria. Acerca de las justificaciones de la violencia en Guatemala
(Universidad Nacional de Costa Rica, 2012-11)El presente ensayo pretende abordar, a través de la lectura de la novela "300", (EUNA, 2011), de Rafael Cuevas, cuáles han sido algunos de los elementos de justificación de la violencia evidenciados en las declaraciones ... -
42 Aniversario Escuela de Secretariado
(Editorial Universidad Nacional, 2017)Mensaje de la Dra. Irma Reyes Araya en el 42 Aniversario de la Escuela de Secretariado. -
El 89 de Costa Rica: otra interpretación del levantamiento del 7 de Noviembre
(Editorial Universidad Nacional, 1989-07-01)El azar es, sin duda, irónico: tras 100 años, 3 meses y 24 días del "89" francés, San José tuvo el suyo, pero sin Bastilla y casi falto de sangre. La "oficialización" de 1989 como año del centenario de la democracia ... -
A new species and three hybrids in the ferns from Cocos Island, Puntarenas, Costa Rica
(Universidad Nacional (Costa Rica), 2017-12)Una nueva especie y tres híbridos en helechos para la Isla del Coco, Puntarenas, Costa Rica. Una especie nueva y tres híbridos de helechos para la Isla del Coco (Costa Rica) son descritos e ilustrados ... -
A botanical extract of Souroubea sympetala and its active principle, betulinic acid, attenuate the cortisol response to a stressor in rainbow trout, Oncorhynchus mykiss
(Elsevier, 2016-09-28)The capacity of the traditional anxiolytic plant, Souroubea sympetala, and its bioactive principle, betulinic acid (BA), to lower cortisol levels in rainbow trout, Oncorhynchus mykiss, was investigated. Effects at the level ... -
A brittle failure model for long-period seismic events recorded at Turrialba Volcano, Costa Rica
(American Geophysical Union, 2015-01-30)A temporary seismic network, consisting of 23 broadband and six short-period stations, wasinstalled in a dense network at Turrialba Volcano, Costa Rica, between 8 March and 4 May 2011. During thistime 513 long-period (LP) ... -
A bvrR/bvrS Non-Polar Brucella abortus Mutant Confirms the Role of the Two-Component System BvrR/BvrS in Virulence and Membrane Integrity
(MDPI, 2023-08-05)Brucella abortus is a bacterial pathogen causing bovine brucellosis worldwide. This facultative extracellular–intracellular pathogen can be transmitted to humans, leading to a zoonotic disease. The disease remains a public ... -
A census of mammal populations in Punta Leona Private Wildlife Refuge, Costa Rica
(Universidad Nacional, Costa Rica, 2002-09)Population sizes of six mammal species were estimated using the King method during the late dry season (March) of 1996 in the Punta Leona Private Wildlife Refuge, Costa Rica. The white-faced monkey (Cebus capucinus), coati ... -
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 Combined Metagenomics and Metatranscriptomics Approach to Unravel Costa Rican Cocoa Box Fermentation Processes Reveals Yet Unreported Microbial Species and Functionalities
(Frontiers Media, 2021-02-16)Cocoa fermentation is the first step in the post-harvest processing chain of cocoa and is important for the removal of the cocoa pulp surrounding the beans and the development of flavor and color precursors. In the present ... -
A comparison of different indirect techniques to evaluate volcanic intact rock strength
(Springer, 2009)The efficiency of different methods that are used to evaluate volcanic intact rock strength is compared that includes Schmidt hammers, point load tests and uniaxial compression tests. The Schmidt hammer records the rebound ... -
A comparison of fruit removal in Ficus colubrinae between birds and Ectophylla alba (Chiroptera: Phyllostomidae) in a Costa Rican rain forest
(Taylor and Francis Ltd., 2021-02-02)Ectophylla alba almost exclusively feeds on the fruits of Ficus colubrinae therefore significantly contributing to dispersal of its seeds. The objective of this research was to quantify the fruit removal of F. colubrinae ... -
A computable general equilibrium analysis of Brexit: Barriers to trade and immigration restrictions
(Blackwell Publishing Ltd, 2020-09-11)This paper estimates the economic effects of different types of restrictions on trade and immigration in the United Kingdom after Brexit. Regarding trade restrictions, we focus on UK–EU increases in tariffs and non-tariff ...