Results 41 to 50 of about 66,399,323 (162)

Links between the actors and mining activities related to the implementation of sustainable development principles

Sustainable Development, Volume 32, Issue 6, Page 6763-6787, December 2024.
Abstract The uninterrupted supply of raw materials is essential to implement low‐carbon technologies. Therefore, the sustainable extraction of these materials is crucial. One of its important aspects is the analysis of the interaction between the actors as well as the actions undertaken by them. This study explores the characteristics of the network of
Marcelo Fuentes, Moira Negrete, Sebastián Herrera‐León, Andrzej Kraslawski   +3 more
wiley   +1 more source

Método gerencial para manejo y control de inventarios en el Proyecto Senderos de Lago Verde [PDF]

, 2021
Spa: El presente documento expone las actividades laborales que se realizaron, por medio de estas la estudiante adquirió y completó experiencia en el campo en que desea desarrollar su vida profesional.
Paipilla Fonseca, Leidy Johanna
core  

Economic implications of non-revenue water and long-run marginal cost for Tulcán’s public water utility

Applied Water Science
Non-revenue water (NRW) is a persistent global problem generated in municipal systems, causing millions of cubic meters of water to be wasted per year, becoming a financial obstacle for water and sanitation companies, and generating economic losses.
David Carrera-Villacrés, Fabián Rodríguez-Espinosa   +1 more
doaj   +1 more source

CAMPUS: A mobile app for construction processes learning and teaching in higher education

Computer Applications in Engineering Education, Volume 32, Issue 4, July 2024.
Abstract This article presents a descriptive, correlational, and quantitative study investigating the learning processes of undergraduate construction engineering and architecture students. The study aims to analyze the effectiveness of an alternative learning method compared to traditional approaches in engineering, architecture and construction ...
Carolina Valbuena‐Bermúdez, Natalia E. Lozano‐Ramírez, Alejandro Serrano‐Sierra, César Granados‐León   +3 more
wiley   +1 more source

Prototipo didáctico de una mesa vibradora bidireccional para el estudio de sistemas estructurales a pequeña escala

ESPACIO I+D: Innovación más Desarrollo, 2020
En este artículo se describe el diseño, construcción, programación y puesta en marcha de un prototipo de mesa vibradora bidireccional para el estudio de sistemas estructurales a pequeña escala.
Eriván Velasco Núñez, J. Alejandro Ruiz Sibaja, Eber Alberto Godínez Domínguez, Alexis Antonio Romero Molina   +3 more
doaj   +1 more source

In Pursuit of Healthier Learning Environments: High‐Altitude Classroom Ventilation

Indoor Air, Volume 2024, Issue 1, 2024.
This study addresses the critical issue of indoor air quality (IAQ) and pathogen transmission within enclosed spaces at high altitudes, focusing on university classrooms in Quito, an Andean city in South America. The aim is to establish safety thresholds for room occupancy and permissible durations of exposure, tailored to this unique environmental ...
Carlos Avila, Paola Tapia, Ricardo Vallejo, Alvaro Avila, Edgar Rivera, Giovanni Pernigotto   +5 more
wiley   +1 more source

Tendencias investigativas y formativas en Ingeniería Civil en universidades francesas [PDF]

, 2013
Trabajo de InvestigaciónCaracterizar las tendencias formativas e investigativas de las universidades francesas que ofrecen el programa de Ingeniería Civil, enfocadas en las siguientes ramas: estructuras, vías y pavimentos, transporte, materiales ...
Caycedo-Villarraga, Diego Alejandro, Medina-Corredor, Amanda Lizeth   +1 more
core  

Hormigón Armado y Pretensado. Presentaciones (curso 2011-2012)

, 2012
Presentaciones de los temas que integran los contenidos de la asignatura "Hormigón Armado y Pretensado", impartida en las titulaciones de Ingeniería Técnica de Obras Públicas, Ingeniería Geológica y Grado en Ing ...
Varona Moya, Francisco de Borja, Bañón, Luis   +1 more
core   +1 more source

Centro de estudios de vivienda de intéres social - CENVIS, Pasado, Presente y futuro

Inventum Ingeniería, Tecnología e Investigación, 2007
La Corporación Minuto de Dios como entidad comprometida a la luz del evangelio con el desarrollo integral de la persona humana y de comunidades marginadas, tanto rurales como urbanas, a través del programa de ingeniería civil de la Corporación ...
Edgar Sánchez
doaj   +1 more source

Sulfate Resistance in Cements Bearing Bottom Ash from Biomass-Fired Electric Power Plants

Applied Sciences, 2020
To address some of the gaps in the present understanding of the behavior of new supplementary cementitious materials such as bottom ash (BA) from biomass-fired electric power plants in cement manufacture, this study explored the effect of this promising ...
José M. Medina, María Isabel Sánchez de Rojas, Isabel F. Sáez del Bosque, Moisés Frías, César Medina   +4 more
doaj   +1 more source