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Synthesis and Antibacterial Activity of Aromatic Homopropargyl Alcohols
(2017)
Several aromatic homopropargyl alcohols, and derivatives were prepared by
one-pot reaction of 1,3-dilithiopropyne (or its equivalent) with aldehydes and
ketones. The antibacterial activity, of alcohols ...
Efecto de la perturbación del bosque en la tasa de visitas de murciélagos polinizadores y sus consecuencias sobre el éxito reproductivo y sistema de apareamiento en árboles de la familia Bombacaceae.
(2007)
La fragmentación y la perturbación del bosque pueden tener efectos deletéreos sobre el éxito reproductivo y el sistema de apareamiento de los árboles tropicales, además de modificar el compartimiento de sus polinizadores. ...
Rapid assessment of the distribution of myxomycetes in a southwestern Amazon forest
(2012-07-02)
The distribution of fruit bodies of myxomycetes under different ecological conditions at the Los Amigos Biological Station in southeastern Peru was studied. Six study areas were surveyed using a combined field-laboratory ...
Reseña de libro: Hammel, B.E., M.H. Grayum, C. Herrera & N. Zamora. 2003. Manual de Plantas de Costa Rica. Vol. II. Gimnospermas y Monocotiledóneas (Agavaceae – Musaceae)
(2004)
Se presenta una reseña del libro, se describe su contenido y se comenta el trasfondo histórico del Manual de Plantas de Costa Rica. Cuando se concluyan todos los volúmenes, esta será la primera flora completa de las plantas ...
Condensación de Cetonas Alifáticas con la Fenantrenoquinona en Hidróxido de Amonio
(1971)
A study on the synthesis and structure of the products of condensation of phenanthrenequinone with acetone and methyl-ethyl-ketone in presence of ammonia was
made. The structures were established by spectroscopic methods. ...
Euphausiids (Crustacea: Euphausiacea) from a hotspot of marine biodiversity, Isla del Coco, Costa Rica, Eastern Tropical Pacific
Eufáusidos (Crustacea: Euphausiacea) de un punto caliente de biodiversidad marina, Isla del Coco, Costa Rica, Pacífico Tropical Oriental
(2016)
Euphausiids have been well studied in several regions of the Pacific Ocean; however, there is less information regarding euphausiids in Costa Rican waters. We analyzed euphausiid specimens collected around Isla del Coco ...
Online Education Program in Operational Meteorology and a Case Study about a Product for Decision Making
(2020)
An online program developed at the University of Costa Rica provides the professionals
working in meteorology a new way to pursue graduate level degrees. The focus of this graduate program
is Operational Meteorology and ...
Avances en el análisis de datos de CTD de la Isla del Coco, Pacífico Tropical del Este, Costa Rica
(2018-02-14)
Se compiló una base de datos
oceanográficos obtenidos por medio de 8 campañas
científicas a la Isla del Coco. Las mediciones se realizaron
utilizando un CTD, instrumento que permite medir
ciertas propiedades físicas ...
Nest Usurping Occurrence Of The Piratic Flycatcher (Legatus Leucophaius) In Southwestern Costa Rica
(2009)
El Mosquerito Pirata (Legatus leucophaius) roba nidos colgantes o en forma de domo hechos principalmente por tiranidos o icteridos, sin embargo la frecuencia con la cual este mosquero se roba los nidos de otras especies ...
Natural history, courtship, feeding behaviour and parasites of Theridion evexum (Araneae: Theridiidae)
(2007)
Theridion evexum constructs webs in the understory of wet middle-elevation forests in Costa Rica. The spiders construct retreats by curling a leaf and produce a mesh in front of the opening. Long, more or less vertical ...