Browsing Artículos científicos by Title
Now showing items 1-20 of 84
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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 first estimation of tsunami hazard of the Pacific coast of Costa Rica from local and distant seismogenic sources
(Springer, 2021-06-04)Costa Rica has been affected by several local and distant tsunamis in the past, but the historical information is scarce and incomplete. Its Pacific coast stretches for over a thousand kilometers, and tsunami hazard has ... -
Abundancia, biomasa y estructura de la ictiofauna demersal en el Océano Pacífico de Centroamérica, con base en la prospección pesquera realizada a bordo del R / V Miguel Oliver
(Universidad Nacional (Costa Rica), 2020-01)A razón de ampliar el conocimiento sobre la estructura y composición de la ictiofauna demersal en el Pacífico de Centroamérica, se realizó el estudio de muestras obtenidas en 98 puntos de arrastre efectuados con el B/O ... -
An evaluation of variables affecting the stability and performance of down-flow anaerobic fixed bed reactors treating piggery wastewater
(Taylor & Francis, 2006)The influence of the most important variables on the stability and performance of down-flow anaerobic fixed bed reactors treating piggery wastewater after primary sedimentation was evaluated at HRT in the range of 1-6 d ... -
Análisis de la población de condrictios (Vertebrata: Chondrichthyes) de aguas demersales y profundas del Caribe centroamericano, a partir de faenas de prospección pesquera con redes de arrastre
(Universidad Nacional (Costa Rica), 2014-12)Se describen la abundancia, riqueza, diversidad y distribución de las especies de condrictios de profundidad, capturadas en campaña de prospección pesquera del B/O Miguel Oliver en la plataforma y el talud continental de ... -
Análisis hidrográfico e ictiológico de las capturas realizadas con una red de trampa fija en la Laguna de Gandoca, Limón, Costa Rica
(Universidad Nacional (Costa Rica), 2010-12)Se realizó un estudio ictiológico de las capturas obtenidas con una red de trampa fija y un registro de las propiedades hidrológicas en la Laguna de Gandoca, Limón, entre abril del 2006 y julio del 2007. Se identificaron ... -
Aplicaciones del modelo de Barbaro et al. para el cálculo de la radiación solar global por medio de estimaciones de los componentes directos y difusos, en Limón y Puntarenas, Costa Rica, para el período 1970-1972
(Universidad Nacional (Costa Rica), 1987-01-01)El presente trabajo utiliza un modelo atmosférico propuesto por Barbaro et al., para el cómputo de la radiación solar global a través de las estimaciones de las componentes directa y difusa, en Limón y Puntarenas, Costa ... -
Biocomposites of Low-Density Polyethylene PlusWood Flour or Flax Straw: Biodegradation Kinetics across Three Environments
(MDPI journals, 2021-06-29)The purpose of this study was to assess the potential for biocomposite films to biodegrade in diverse climatic environments. Biocomposite films based on polyethylene and 30 wt.% of two lignocellulosic fillers (wood flour ... -
Características hidrográficas del sistema lagunar los micos-quemada en el Caribe hondureño
(Universidad Nacional (Costa Rica), 2009-12)Auspiciado por el Proyecto PREPAC (Plan Regional de Pesca y Acuicultura Continental) se realizó un levantamiento hidrográfico en 27 estaciones en el sistema lagunar Los Micos-Quemada en el litoral Caribe de Honduras. Los ... -
Características termohalinas de las aguas costeras del Caribe sur de Costa Rica
(Universidad Nacional (Costa Rica), 2015-12)En agosto y noviembre del año 2012, se realizaron dos campañas hidrográficas en la zona costera del Ca ribe sur de Costa Rica, entre el Puerto de Limón y la Laguna de Gandoca. Se utilizó un CTD (perfilador de conductividad, ... -
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 ... -
Characterization of the VARIAN®PaxScan 2020+ flat panel detector for quantitative X-ray imaging
(X-Ray Spectrometry vol.45 no.3 169-175 2016, 2016-02-19)In this work, the response of the VARIAN® PaxScan 2020+ flat panel detector was characterized in terms of spatial resolution and uniformity across the detection area along with detection efficiency for photon beams from ... -
Cladocera (Crustacea, Branchiopoda) of a temporary shallow pond from northern Colombia
(Universidad Nacional Mayor de San Marcos, 2019)Eighteen species of cladocerans are recorded from a temporary pond in northern Colombia; 12 of these records are new for La Guajira Department: Diaphanosoma brevireme Sars, 1901, D. dentatum Herbst, 1968, Sarsilotona ... -
Coastal currents in the Eastern Gulf of Tehuantepec from coastal altimetry
(Advances in Space Research, 2018-06-02)we study the seasonal and interannual variability of the coastal currents along the eastern shelf of the Gulf of Tehuantepec. We use sea level from coastal altimetry distributed by the Centre de Topographie des Oceans et ... -
Comparative Study Of Conventional And Sbci Cardboard Solar Ovens
(Elsevier, 1992)Two folding and light solar ovens designed and constructed by Solar Box Cookers International (SBCI), Sacramento, U.S.A., have been studied experimentally. Furthermore, their performance is com pared with standard two ... -
Connecting bioloy, optics and nanomechanical properties in micro-wasps
(Springer Nature, 2020-01-29)Coloration in insects provides a fruitful opportunity for interdisciplinary research involving both physics and biology, and for a better understanding of the design principles of biological structures. In this research ... -
Considerations for functional food design based on starch-protein interactions: a systematic review
(Taylor and Francis Ltd., 2021-03-26)This systematic review aims to discuss the considerations in the design of starch-based foods from protein interactions, according to their functional, technological, and nutritional effects. Thereof, a systematic search ... -
Dairy wastewater treatment by anaerobic fixed bed reactors from laboratory to pilot-scale plant: A case study in Costa Rica operating at ambient temperature
(Springer, 2013)The effect of hydraulic retention time in a range from 1.0-5.5 days was evaluated in a laboratory scale anaerobic fixed bed reactor packed with a hybrid material composed of tire rubber and zeolite. Under these conditions, ...
