Results 31 to 40 of about 539 (126)
In reducing heavy metals from water for direct or indirect consumption, various synthetic materials have been used; there is a tendency to use natural, biodegradable, and environmentally friendly materials. The aim was to elaborate copolymers with native
David Choque-Quispe +9 more
doaj +1 more source
Study of the pollution by surfactants in a river of a high Andean micro basin
The surfactants linear alkylbenzene sulfonate (LAS), is used in large quantities in modern society, and wastewater containing it can contaminate groundwaters through runoff and sewers.
David Choque-Quispe +6 more
doaj +1 more source
Quena amazónica: expresión artística y cultural en la música peruana
La quena (también conocida por qqena, kena, kkena o kkhena) es un aerófono perteneciente a la familia de flautas o instrumentos de viento. Debido a su antigüedad, riqueza de variantes y sonido particular, el Instituto Nacional de Cultura del Perú (INC ...
Yon Govy Ramírez-Rodríguez +2 more
doaj +1 more source
This study provides a detailed assessment of chemical defense investment in a speciose Neotropical tree genus during leaf development. Exploring the leaf metabolome through quantitative and qualitative profiling enables a more comprehensive examination of chemical defense investment at a timescale relevant to leaf development and immediate stressors ...
Natasha L. Wiggins +4 more
wiley +1 more source
Percepción del docente sobre su desempeño ante los cambios curriculares.
El presente estudio se desarrolló con el objetivo de analizar la percepción que los docentes tienen de su desempeño, en relación con los cambios curriculares.
Adonías Julia Villa Calderón +3 more
doaj +1 more source
This study focuses on the forest cover of three districts in the urban area of the province of Andahuaylas, Apurímac region, Peru, which is facing deforestation problems.
Carlos Dueñas-Valcarcel +3 more
doaj +1 more source
De/Sedimentation: The Geopoetics of José Watanabe and Soledad Fariña
This paper explores de/sedimentation as both a textual and geological concept through the works of José Watanabe (La piedra alada) and Soledad Fariña (PAC PAC PEC PEC) to examine how literary and material traces accumulate, erode and reemerge within the colonial Anthropocene.
Rosa Berbel
wiley +1 more source
El estudio tuvo el objetivo de comprender las percepciones de los docentes acerca de la innovación y la práctica pedagógica en instituciones educativas rurales en el Perú en tiempos de pandemia.
Edgar L. Martínez-Huamán +2 more
doaj +1 more source
Beyond gatekeeping: Philosophical sources, Indigenous philosophy, and the Huarochirí Manuscript
Abstract This paper argues for a broad definition of philosophical sources and how Indigenous traditional knowledge fits that definition. It concludes by showing how, following the previous two points, an Indigenous document such as the Huarochirí Manuscript can be considered a philosophical source by academic philosophers. The paper has three sections:
Jorge Sanchez‐Perez
wiley +1 more source
Clima organizacional y desempeño laboral en una Caja Municipal
El presente estudio se realizó con el propósito de determinar el grado de relación entre el clima organizacional y el desempeño laboral en una Caja Municipal, bajo la siguiente consideración metodológica, enfoque cuantitativo, tipo básica, nivel ...
Alfredo Huamán-Cuya
doaj +1 more source

