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Now showing items 96-115 of 13481
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A propósito del Día Internacional de la Mujer
(Editorial de la Universidad Nacional, 2019-03)Explica que el día 8 de marzo se celebra el Día Internacional de la Mujer, y es una fecha propicia para recordar los grandes retos que tienen las mujeres como parte de la sociedad, que es alcanzar una mayor igualdad entre ... -
A propósito del estudio de historia de la familia, vida cotidiana y mentalidades
(Universidad Nacional, Costa Rica, 1995-07-01)En el vigésimo aniversario de la creación del Museo Histórico Cultural Juan Santamaría se concretó la idea de organizar el Primer Seminario-taller: "Familia, vida cotidiana y mentalidades en México y Costa Rica, siglos ... -
A propósito del voseo : su historia, su morfología y su situación en Costa Rica
(2013-09-10)Educación : revista de la Universidad de Costa Rica. -- Vol. 27, no. 2 (jul.-dic. 2003), p. 143-163 -
¿A quiénes no cobija la Caja Costarricense del Seguro Social (CCSS)? una mirada desde mujeres minorizadas respecto al acceso real a la seguridad social costarricense con una perspectiva crítica y sociohistórica de derechos humanos
(Universidad Nacional, Costa Rica, 2023)La premisa del artículo pretende mostrar la incidencia en las posibilidades concretas de acceso a la salud pública y a la seguridad social costarricenses por parte de mujeres adultas que afrontan situaciones de exclusión ... -
A reading skills method to improve the students’ academic achievement
(I Congreso Internacional de Lingüística Aplicada CONLA UNA, 2013)Este es un estudio experimental llevado a cabo con dos grupos de undécimo año de secundaria el cual consiste en analizar el rendimiento académico empleando una metodología a base de técnicas y habilidades de lectura. Las ... -
A register-based perspective to suprasegmentals in ELT
(Universidad Nacional, Costa Rica, 2020-12)The current paper is a systematization of EFL experiences around the teaching of suprasegmentals courses from a register-ba-sed perspective. Simply put, the proposal is based on the notion that prosodic elements must be ... -
A regression analysis of Q'eqchi' Maya medicinal plants from southern Belize
(Universidad Nacional, Costa Rica, 2006)Amiguet, V.T., Department of Biology, University of Ottawa, P.O. Box 450, Ottawa, Ont. K1N 6N5, Canada; Arnason, J.T., Department of Biology, University of Ottawa, P.O. Box 450, Ottawa, Ont. K1N 6N5, Canada; Maquin, P., ... -
A RTk - P-k approximation for linear elasticity yielding a broken H(div) convergent postprocessed stress
(Universidad Nacional, Costa Rica, 2015)We present a non-standard mixed finite element method for the linear elasticity problem in R-n with non-homogeneous Dirichlet boundary conditions. More precisely, our approach is based on a simplified interpretation of the ... -
A seasonal model of contracts between a monopsonistic processor and smallholder pepper producers in Costa Rica
(Agricultural Systems, 2009-08-15)We model the contractual arrangements between smallholder pepper (Piper nigrum L.) producers and a single processor in Costa Rica. Producers in the El Roble settlement sell their pepper to only one processing firm, which ... -
A Selective Ion HPLC-APCI-MS Method for the Quantification of Pentacyclic Triterpenes in an Anxiolytic Botanical Dietary Supplement for the Animal Health Market
(Natural Product Incorporation, 2019)A new anti-anxiety dietary supplement was developed for the animal health market, by combining 2 triterpene containing botanicals, Souroubea sympetala (Marcgraviaceae) with Platanus occidentalis (Platanaceae) A validated ... -
A sensitive blotting system for detection of α-fetoprotein variants with monoclonal and polyclonal antibodies
(Elsevier, 1988-08-19)Human α-fetoprotein (AFP) variants from cord sera were separated by isoelectric focusing in agarose gels under native conditions, transferred to nitrocellulose paper and detected with polyclonal and monoclonal antibodies ... -
A Sensitivity Analysis of the Application of Integrated Species Distribution Models to Mobile Species: A Case Study with the Endangered Baird's Tapir
(Cambridge University Press, 2019-04-21)Species distribution models (SDMs) are statistical tools used to develop continuous predictions of species occurrence. 'Integrated SDMs' (ISDMs) are an elaboration of this approach with potential advantages that allow for ... -
A sensor histidine kinase from a plant-endosymbiont bacterium restores the virulence of a mammalian intracellular pathogen
(Elsevier, 2023-11-08)Alphaproteobacteria include organisms living in close association with plants or animals. This interaction relies partly on orthologous two-component regulatory systems (TCS), with sensor and regulator proteins modulating ... -
A simple method for short-term storage and transportation of spermatophores of Pacific white shrimp (Litopenaeus vannamei)
(Hidrobiológica vol.26 no.1 9-14 2016, 2016)The development of a shipping method for spermatophores of the white shrimp Litopenaeus vannamei would open new opportunities for sharing and improving genetic resources of shrimp worldwide. Seventy spermatophores were ... -
A Sinorhizobium meliloti and Agrobacterium tumefaciens ExoR ortholog is not crucial for Brucella abortus virulence
(PLOS ONE, 2021-08-13)Brucella is a facultative extracellular-intracellular pathogen that belongs to the Alphaproteo- bacteria class. Precise sensing of environmental changes and a proper response mediated by a gene expression regulatory ... -
A solucionar el problema de los desechos :traducción y memoria
(Escuela de Literatura y Ciencias del Lenguaje, 2000)El presente Trabajo de Graduación tiene como finalidad aspirar al grado de licenciatura en Traducción (Inglés-Español). Está confonnado por tres secciones principales. La primera parte consiste en la traducción al castellano ... -
A study of checkpointing in large scale training of deep neural networks
(arXiv.Org, 2021-03-29)Deep learning (DL) applications are increasingly being deployed on HPC systems to leverage the massive parallelism and computing power of those systems. While significant effort has been put to facilitate distributed ... -
A study of the social perception of technology in public spaces in Alajuela Central Cantón, Costa Rica
(Institute of Electrical and Electronics Engineers Inc., 2019-08-20)The present work makes an analysis of the results of a study of the social perception of technology applied in the public spaces of the central canton of Alajuela, Costa Rica. This study is of a non-probabilistic type, ... -
A survey on Triatoma dimidiata in an urban area of the province of Heredia, Costa Rica
(Mem Inst Oswaldo Cruz, 2005-10)Triatoma dimidiata has been found in several cities and towns of those countries where the insect is a domestic or peridomestic pest. In Central America, urban infestations occur in the capitals of at least five ... -
A two-component regulatory system playing a critical role in plant pathogens and endosymbionts is present in Brucella abortus and controls cell invasion and virulence
(Blackwell Science, 1998-04-08)Two mutants showing increased sensitivity to polycations and surfactants were obtained by transposon mutagenesis of virulent Brucella abortus 2308 Nal(r). These mutants showed no obvious in vitro growth defects and produced ...
