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Lead acid battery recycling in Costa Rica: A case study
(WIT Transactions on Ecology and the Environment, 2012)
This work describes the production of secondary lead in a smelter located in
Costa Rica. The only input of the plant is scrap automotive batteries. We
describe the environmental management strategies used for waste ...
Design considerations for introducing PBL in computer engineering
(38th Latin America Conference on Informatics, CLEI 2012 - Conference Proceedings, 2012)
Nowadays, universities are driven to adopt pedagogical approaches that enable them to better meet the needs of the new generation of students and industry. This article presents an ongoing experience in innovating the ...
Characteristics of the spontaneous deposition of Sn in polycrystalline Pt
(2012-04)
Spontaneous deposition of tin (Sn) in polycrystalline platinum (Pt pc) from a sulfuric acid solution of tin salts, was evaluated by conventional electrochemical techniques, to determine its characteristics. Tin was deposited ...
Observation of Varroa destructor behavior in capped worker brood of Africanized honey bees
(Springer Science + Business Media B.V., 2012-06-12)
The behavioral activity of Varroa destructor was observed using transparent cells. Mite oviposition started at 45.0 ± 25.0 h post capping, followed by the next eggs laid at regular 27.3 ± 2.0 h intervals. On the prepupa, ...
First record of the sea anemone Anthopleura nigrescens (Cnidaria: Actiniaria: Actiniidae) on the Pacific coast of Central America
(Marine Biological Association of the United Kingdom, 2012-08)
We report the first record of the sea anemone Anthopleura nigrescens on the Pacific coast of Central America. Five specimens from Mata Limón (Costa Rica) were collected from rocks of a man-made breakwater at sub-tidal ...
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 ...
The histological structure of the androgenic gland and cellular cord of the male reproductive system of adult litopenaeus and rimapenaeus byrdi
(2012-05-01)
The current knowledge of the precise extension and location of the androgenic gland (AG) in the genera Litopenaeus and Rimapenaeus is partial. Therefore, we analyzed the complete structure of the AG and cellular cord ...
Cianobacterias bentónicas marinas en el Caribe central y sur de Costa Rica
(Universidad Nacional (Costa Rica), 2012-12)
Las cianobacterias comprenden un grupo de microorganismos del dominio Bacteria (Woese et al. 1990) poco estudiado en Costa Rica. Los escasos trabajos realizados abordan temáticas relacionadas con la ocu-rrencia de ...
Rasgos hidrográficos y batimétricos del Refugio Nacional de Vida Silvestre Ostional y áreas adyacentes, Guanacaste, Costa Rica
(Universidad Nacional (Costa Rica), 2012-12)
Entre el 6 y el 11 de febrero del 2012, se realizó un levantamiento hidrográfico y batimétrico en la región
situada entre Punta Guiones y Cuajiniquil, en el Pacífico norte de Costa Rica. Las temperaturas superficiales se ...
Percepción y conocimiento popular sobre el cocodrilo Crocodylus acutus (Reptilia: Crocodylidae) en zonas aledañas al río Tempisque, Guanacaste, Costa Rica
(Universidad Estatal a Distancia, 2012-12)
Perception and popular culture about the crocodile (Crocodylus acutus) near Tempisque River, Guanacaste, Costa Rica. The American crocodile (Crocodylus acutus) is an endangered species due to habitat loss and illegal ...