Listar Ciencias básicas por título
Mostrando ítems 1581-1600 de 3122
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Improved seasonal prediction skill of rainfall for the Primera season in Central America
(2017)This study explores the predictive skill of seasonal rainfall characteristics for the first rainy (and planting) season, May–June, in Central America. Statistical predictive models were built using a Model Output Statistics ... -
Improvement of early detection of breast cancer through collaborative multi-country efforts: Medical physics component
(2018)Purpose: The International Atomic Energy Agency (IAEA) through a Coordinated Research Project on “Enhancing Capacity for Early Detection and Diagnosis of Breast Cancer through Imaging”, brought together a group of mammography ... -
In favor of establishment: chromatid cohesion in plants
(2017-05-23)In eukaryotic organisms, the correct regulation of sister chromatid cohesion, whereby sister chromatids are paired and held together, is essential for accurate segregation of the sister chromatids and homologous chromosomes ... -
In memoriam – Dora Emilia Mora de Retana (24.08.1940 – 12.07.2001)
(2001)Se resumen aspectos sobresalientes de la vida académica de la orquideóloga costarricense Dora Emilia Mora y se mencionan algunas de sus principales contribuciones en taxonomía y conservación de las orquídeas. -
In Memoriam: Dr. William Mark Whitten (1954−2019)
(2019)The world of orchid academia was rocked on April 12, 2019 when the shocking and completely unexpected news that Mark Whitten had passed began to circulate. Many readers of Orchids magazine may not be familiar with ... -
In vitro studies to evaluate the wound healing properties of Calendula officinalis extracts
(2017)Ethnopharmacological relevance: Calendula officinalis (pot marigold) flower extracts have a long-lasting tradition in ethnopharmacology. Currently, the European Medicines Agency (EMA) has approved its lipophilic and aqueous ... -
Los incendios forestales y su incidencia en el Parque Nacional Santa Rosa, Provincia de Guanacaste, Costa Rica (1971-2020)
(2020)El PNSR tuvo su origen en la declaratoria de la Casona de Santa Rosa como Monumento Histórico al emitirse la Ley N. 3694 el 1 de julio de 1966 (ver Fotografía 1) . La importancia histórica de esta edificación, construida ... -
Incidence of parasitoids and predators on eggs of seven species of Therididae (Araneae)
(2012)Although many characteristics of the egg sacs of spiders likely evolved to reduce the effect of parasites and predators that attack their eggs, many parasite and predator insects have become specialized on spider eggs. ... -
Incorporating variable viscosity in vorticity-based formulations for Brinkman equations
(2019-06)In this brief note, we introduce a non-symmetric mixed finite element formulation for Brinkman equations written in terms of velocity, vorticity, and pressure with non-constant viscosity. The analysis is performed by the ... -
Independent evolutionary lineage of the clingfish Gobiesox adustus (Gobiesocidae) from Isla del Coco, Costa Rica
(2020-03-24)Introduction: Isla del Coco is an important protected area for marine fauna in the Eastern Tropical Pacific. In this area, the species that inhabit the intertidal zone have been subject to few studies. One of the species ... -
Indicator-based management recommendations for an artisanal bottom-longline fishery in Costa Rica, Central America
(2017)There is a growing need to strengthen the small-scale fishing sector with emerging governance methods that improve fishers’ threatened livelihoods. Therefore, this study’s aim was to develop management ... -
Indicios de proveniencia y dinámica depositacional de la Formación Puerto Carrillo, Península de Nicoya, Costa Rica: un análisis petrográfico
(2023-01-20)La Formación Puerto Carrillo representa un resguardo de información geológica acerca de los procesos de erosión y exhumación del Complejo de Nicoya, el cual, a su vez, ha sido clave para el estudio del origen y evolución ... -
Indirect inference for locally stationary ARMA processes with stable innovations
(2020)The class of locally stationary processes assumes that there is a time-varying spectral representation, that is, the existence of finite second moment. We propose the α-stable locally stationary process by modifying the ... -
Individual and tempo- ral variation in outcrossing rates and pollen flow patterns in Ceiba pentandra (Malvaceae: Bombacoidea)
(2013)Ceiba pentandra is a tropical tree with high rates of selfing in some populations. In mixed‐mating species, variation in selfing is due to changes in adult density or variability of incompatibility systems. The effect of ... -
Infection model for analyzing biological control of coffee rust using bacterial anti-fungal compounds
(2019-01)Coffee rust is one of the main diseases that affect coffee plantations worldwide (Cressey, 2013 [10]). This causes an important economic impact in the coffee production industry in countries where coffee is an important ... -
Infiltración y redistribución de agua en perfiles de la zona no saturada en la cuenca alta del río Paez, Cartago
(2022)En Costa Rica, la entrada del agua al suelo y su movimiento dentro de él ha sido poco estudiado. Esta entrada de agua puede estudiarse en un espacio geográfico claramente definido como lo es la cuenca hidrográfica. Es ... -
Inflammation and uPAR-Expression in Colorectal Liver Metastases in Relation to Growth Pattern and Neo-adjuvant Therapy
(2015-08-14)Proteolytic activity and inflammation in the tumour microenvironment affects cancer progression. In colorectal cancer (CRC) liver metastases it has been observed that three different immune profiles are present, as well ...