Results 51 to 60 of about 66,767 (173)

TABLA DE CONTENIDO

open access: yesRedes de Ingeniería, 2015
Tabla de ...
Redes de ingenieria
doaj  

TRABAJOS FINALES DE GRADUACION DE LA FACULTAD DE INGENIERIA

open access: yesIngeniería, 2013
Se presentan en esta sección las Referencias Bibliográficas de los Trabajos Finales de Graduación de la Facultad de Ingeniería de la Universidad de Costa Rica correspondientes a las graduaciones del año 1993.
Marcela Adriana Quirós Garita
doaj   +1 more source

The effect of calcium and magnesium on the aggregation of a purple phototrophic bacteria mixed consortium

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND An essential aspect of applying Purple Phototrophic Bacteria (PPB) technology for wastewater treatment is the biomass separation from the aqueous phase. Ca2+ and Mg2+ have been used to enhance the aggregation of different biological matrices. In this paper, the effect of Ca2+ and Mg2+ on the aggregation of a mixed culture of PPB was
Jairo M Carrillo‐Osorio   +1 more
wiley   +1 more source

Motivation on engineering students: A case study using theories and instruments for its measurement and development

open access: yesRed U, 2014
Motivation is one of the key issues for the academic performance of university students, especially in engineering programs where their degree of difficulty leads to a low sense of self-efficacy and high rates of absenteeism and dropout in students ...
Daniel López Fernández   +3 more
doaj   +1 more source

Los docentes de ciencias básicas, concepciones y prácticas. Un estudio exploratorio en el contexto del Tecnológico Nacional de México

open access: yesIE Revista de Investigación Educativa de la REDIECH
El habitus presente en la práctica docente se va delimitando a través de las concepciones y prácticas dentro de instituciones educativas que son estructuras y estructuran las formas de ser y de valorar de sus integrantes.
Adriana Castillo Rosas   +1 more
doaj   +1 more source

La educación básica en la formación de los ingenieros

open access: yesCiencia y Sociedad, 1993
Este texto de Quilvio Cabral analiza la formación de los ingenieros civiles, el proceso de enseñanza-aprendizaje de asignaturas para la formación básica del estudiante universitario.
Quilvio Cabral Achécar
doaj   +1 more source

Use of predictive tools for the analysis of bioactive compounds in crocus SATIVUS L. flowers

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Crocus sativus L. (saffron) flowers have high bioactive potential because of their content of crocins, safranal and phenolic compounds. The development of predictive models based on near‐infrared (NIR) spectroscopy and partial least squares regression to estimate the antioxidant capacity of saffron flower, evaluated using oxygen ...
Manuel Piqueras‐García   +4 more
wiley   +1 more source

FORMULARIO DE SUSCRIPCIÓN

open access: yesRedes de Ingeniería, 2012
Formulario de ...
Redes de ingenieria
doaj  

Perspectiva de las competencias genéricas en ingeniería

open access: yesInventum Ingeniería, Tecnología e Investigación, 2015
Los requerimientos a los profesionales de la ingeniería cada vez son mayores. El  conocimiento evoluciona rápidamente y los futuros profesionales deben adquirir  capacidades que les permitan adaptarse a los cambios.
Luz Stella Torres Acevedo
doaj   +1 more source

Soil and Forest Degradation Driven by Cattle Grazing and Selective Logging in Sub‐Antarctic Nothofagus Ecosystems of Patagonia

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil and forest degradation driven by chronic land‐use pressures is an increasingly widespread process in forested landscapes worldwide, yet its empirical characterization remains limited, particularly in temperate and sub‐Antarctic ecosystems.
Carlos Zamorano‐Elgueta   +4 more
wiley   +1 more source

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