Results 71 to 80 of about 24,536 (216)
Uso de zeolita faujasita para adsorción de iones en aguas residuales municipales
Tecnología y ciencias del agua, 2018 En este trabajo se sintetizó una zeolita tipo faujasita a partir de aluminio y sílica gel, por el método sol-gel. Dicho procedimiento se realizó por medio de espectroscopía de infrarrojo (FTIR por su nombre en inglés), difracción de rayos X (XRD por su ...
Dayana P. De La Vega +4 more
doaj +1 more source
Translating science into actions to conserve Amazonian freshwaters
Conservation Science and Practice, Volume 6, Issue 11, November 2024.Freshwaters of the Amazon are experiencing unprecedented changes, but decades of research and practice have produced a rich foundation for advancing management solutions. Through a comprehensive review of the scientific literature on Amazon freshwater conservation, we highlighted 63 conservation actions that combined are critical for the long‐term ...
Thiago B. A. Couto +13 more
wiley +1 more source
Signos, 2017 The research here treated corresponds to a study applied in the capital of the department of Caquetá, to establish a baseline of Corporate Social Responsibility (CSR) in the light of the standard ISO 26000 Guide on social responsibility.
Yorcelis Yudith Cantillo Carrillo +1 more
doaj +1 more source
Results of a botanical expedition to Mount Roraima, Guyana : 2., Lichens [PDF]
, 1992 Lichen exploration of the Upper Mazaruni District, Guyana yielded 273 species, of which 179 were found for the first time in the Guianas and 13 were as yet undescribed.
Aptroot, André, Sipman, Harrie J. M.
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Journal of Applied Ecology, Volume 61, Issue 10, Page 2497-2509, October 2024.To minimise the loss of avian phylogenetic diversity and functional traits from farming in the Amazon, it is imperative to protect large blocks of undisturbed and regenerating forests. The intensification required within existing farmlands to make space for spared lands while meeting agricultural demand needs to be sustainable, avoiding long‐term ...
Giovanny Pérez +6 more
wiley +1 more source
Competencia matemática pensar y razonar: el caso de la razón y la proporción [PDF]
, 2012 Este es un avance de una investigación en curso, que se adelanta en el marco de la Maestría en Educación con Énfasis en Didáctica de la Matemática, en la línea de investigación: competencias Matemáticas.
Bornachera, César Augusto +2 more
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Diversity and Distributions, Volume 30, Issue 10, October 2024.Abstract Aim Global species distribution maps tend to be limited to a reduced number of species or are too coarse to inform ecological research and conservation actions at local scales. We developed a workflow to generate species range and area of habitat (AOH) maps tailored to local contexts based on expert information, community science observations ...
Andres Felipe Suárez‐Castro +5 more
wiley +1 more source
A GEOGRAPHY OF ILLICIT CROPS (COCA LEAF) AND ARMED CONFLICT IN COLOMBIA [PDF]
Colombia is currently the world´s largest producer of coca leaf and the principal producer of opium poppies in the Americas; the plants are the basic raw materials used to produce cocaine and heroin.
Ana MaríaDíaz, FabioSánchez
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Análisis comparativo del indicador del desempeño fiscal de los departamentos categoría 4 y 1 de Colombia vigencia 2016 [PDF]
, 2018 Trabajo de InvestigaciónUn análisis comparativo del indicador del desempeño fiscal de los departamentos categoría 4 y 1, con el fin de identificar la capacidad de ahorro, inversión, endeudamiento, nivel de ingresos que corresponden a recursos propios ...
Solano-Pérez, Heriberto +1 more
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Acta Agronómica, 2016 Between April and July 2010, the effects of different agroforestry systems with rubber (Hevea brasiliensis Muell) on the physical properties of soil in hilly area in the municipalities of Belén de los Andaquíes, Florencia and El Doncello (Department of ...
Gelber Rosas Patiño +2 more
doaj +1 more source