Results 61 to 70 of about 1,225 (118)

Hazards Caused by Uncontrolled Vegetation and Inadequate Maintenance Practice in Earth Dams

open access: yesTecnología y ciencias del agua, 2015
Small dams for irrigation use are often managed by landowner communities. Dam owners are responsible for the routine maintenance actions of each dam and their common irrigation system net.
Félix Escolano Sánchez   +1 more
doaj  

The educational orientation and its incidence in the professional preparation of the primary teacher in the province of Huambo, Angola

open access: yesMaestro y Sociedad, 2019
In Angola, school and family, historically played an important role in the process of socialization of children, adolescents and youth. In the Angolan collegiate institutions are schoolchildren from different ethnic groups and social strata, who are ...
Osvaldo Tomás Nasso-Malonda   +2 more
doaj  

Silos subterráneos Rosario

open access: yesA&P Continuidad
Ministerio de Obras Públicas DGCEG
doaj   +1 more source

LA INFRAESTRUCTURA DE PUENTES EN LAS VÍAS SECUNDARIAS DEL DEPARTAMENTO DE ANTIOQUIA

open access: yesRevista EIA
Las vías terrestres son la principal herramienta para el desarrollo comercial y económico de una región. La falla de un puente en un proyecto vial genera la interrupción total del tráfico de bienes en su superficie, produciendo cuantiosas e incalculables
John Mario García Giraldo   +2 more
doaj  

Effect of graphene oxide dosage on the thermal and rheological behavior of asphalt for tropical road conditions. [PDF]

open access: yesFront Chem
Mendoza E   +9 more
europepmc   +1 more source

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