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Concentration of PM10 in the Metropolitan Area of Costa Rica, Central America: chemical composition and potential sources
(Universidad Nacional, Costa Rica, 2010)
Measurements of metals and inorganic ions were carried out on PM10. Sampling was made in five sites distributed in San José, Heredia and Belén cities. Samples were collected using Thermo Andersen PM10 high volume samplers ...
Determination of carbonyls and their sources in three sites of the metropolitan area of Costa Rica, Central America
(Springer Science+Business Media B.V, 2011-03-02)
Ambient levels of carbonyl compounds
and their possible sources were studied at three
places in the metropolitan area of Costa Rica,
including a residential, an industrial, and a com mercial downtown area with high ...
Clinical observations and safety profile of oral herbal products, souroubea and platanus spp: a pilot-toxicology study in dogs
(Universidad Nacional, Costa Rica, 2014-04-07)
This pilot-study evaluated the toxicity and safety profi le of two herbal products Souroubea spp Botanical Blend (SSBB) and Platanus Tree Bark (PTB) after oral administration to dogs at elevated doses for 28 days. SSBB and ...
Parasites of cetaceans stranded on the Pacific coast of Costa Rica
(Revista de parasitología veterinaria, 2011-05-12)
Information regarding parasitic fauna of cetaceans from Costa Rica is provided for the first
time. A total of 25 stranded dolphins and whales were examined between 2001 and 2009,
including striped dolphin (Stenella ...
Temporal and spatial variations in organic and elemental carbon concentrations in PM10/PM2.5 in the metropolitan area of Costa Rica, Central America
(Science Direct, 2013-01)
PM2.5 and PM10 samples were collected at 4 and 14 sampling sites, respectively, located in the Metropolitan area of Costa Rica (MACR), during 2010-2011. These sites were representative of commercial, industrial and residential ...
Chemical characterization of filterable PM2.5 emissions generated from regulated stationary sources in the Metropolitan Area of Costa Rica
(Elsevier, 2017-01-14)
Filterable PM2.5 concentrations and their chemical characterizations were analyzed for 67 boilers and 25 indirect furnaces located in the Metropolitan Area of Costa Rica from February 2014 to November 2015. The PM2.5 samples ...
Earthquake magnitude calculation without saturation from the scaling of peak ground displacement
(Geophysical Research Letters, 2015-06-02)
GPS instruments are noninertial and directly measure displacements with respect to a global reference frame, while inertial sensors are affected by systematic offsets—primarily tilting—that adversely impact integration to ...
Indigenous Ex Situ Conservation of Q'eqchi' Maya Medicinal Plant Resources at the Itzamma Garden-Indian Creek, Belize, Central America
(Springer Science, 2012-12-27)
The Itzamma Garden and Medicinal Plant Project is a collaborative effort focused on identifying traditionally important plants used by the Q'eqchi' Maya of southern Belize. The Garden represents a cornerstone of the project ...
Estimación de la biomasa y carbono almacenado en un bosque primario intervenido de la zona protectora "El Rodeo", Costa Rica
(Universidad de Pinar del Río "Hermanos Saíz Montes de Oca", Cuba, 2019-09-01)
En la Estrategia Nacional de Cambio Climático de Costa Rica se recalcó la importancia de los ecosistemas boscosos en la absorción y fijación de CO2, como un mecanismo para lograr la carbono-neutralidad. Esta investigación ...
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 ...