Results 11 to 20 of about 36,024 (233)

ANÁLISIS DEL RIESGO POTENCIAL AMBIENTAL POR ALQUILFENOLES PRESENTES EN AGUAS DEL RÍO CAUCA A SU PASO POR LA ZONA URBANA DE CALI (VALLE DEL CAUCA, COLOMBIA) [PDF]

open access: yesBoletín Científico. Centro de Museos. Museo de Historia Natural, 2015
Objectives: Analyzing environmental risk five sampling stations on the Cauca, due to the presence of phenol, previously detected, especially on the basis of some of the alkyl phenols found at risk of endocrine disruption in mammals including man. Scope: Qualitative chemical inventory of water collected and analyzed.
Jiménez Botero, Gloria Amparo   +2 more
openaire   +4 more sources

Detection of lies by facial thermal imagery analysis

open access: yesRevista Facultad de Ingeniería, 2017
An artificial vision system is presented for lie detection by analyzing face thermal image sequences. This system represents an alternative technique to the polygraph.
Sebastián Bedoya-Echeverry   +5 more
doaj   +1 more source

A Methodological Approach for Assessing Soil Salinity Hazard in Irrigated Areas. Case Study: The rut Irrigation District, Colombia [PDF]

open access: yes, 2015
Se desarrolló una metodología para la evaluación y mapeo de la amenaza de salinización de suelos en distritos de riego de Colombia, con base en la concentración y tipo de sales en el agua de riego.
Angulo Rojas, Paola Andrea   +3 more
core   +2 more sources

Infección de las vías urinarias en pacientes geriátricos: una revisión en el servicio de urgencias

open access: yesRevista de Educación e Investigación en Emergencias, 2023
La infección de vías urinarias se encuentra dentro de las complicaciones infecciosas más frecuentes para el grupo etario mayor de 65 años. Esto tiene gran relevancia, ya que durante los últimos años se ha presentado un crecimiento significativo de este ...
Brenda J. Gómez-González   +3 more
doaj   +1 more source

Bronchotomy for metal foreign object removal in pediatric airway

open access: yesJournal of Pediatric Surgery Case Reports, 2023
Foreign Body Aspiration (FBA) is a common medical emergency in children, demands a prompt diagnosis through clinical manifestations and radiological studies, to prevent complications and mortality.
Andres Felipe Marín Giraldo   +3 more
doaj   +1 more source

Predicting the final grade using a machine learning regression model: insights from fifty percent of total course grades in CS1 courses [PDF]

open access: yesPeerJ Computer Science, 2023
This article introduces a model for accurately predicting students’ final grades in the CS1 course by utilizing their grades from the first half of the course.
Carlos Giovanny Hidalgo Suarez   +2 more
doaj   +2 more sources

Report of new invasive scale insects (Hemiptera: Coccoidea), Crypticerya multicicatrices Kondo and Unruh (Monophlebidae) and Maconellicoccus hirsutus (Green) (Pseudococcidae), on the islands of San Andres and Providencia, Colombia, with an updated taxonomic key to iceryine scale insects of South America [PDF]

open access: yes, 2012
The multicicatrices fluted scale, Crypticerya multicicatrices Kondo and Unruh (Hemiptera: Coccoidea: Monophlebidae) is reported from the islands of San Andres and Providencia, Colombia, as a recent invasive species.
Gullan, Penny   +2 more
core   +2 more sources

Development of a platform for teaching basic programming using mobile robots

open access: yesRevista Facultad de Ingeniería, 2017
Mobile robotics is being used in different education contexts, such as basic, middle, and high-level education. A literature review showed that 197 papers have been published in this area of knowledge over the past 10 years. Nowadays, Latin America faces
Bladimir Bacca-Cortes   +3 more
doaj   +1 more source

AHP difuso para evaluar el desempeño de proveedores 3PL considerando el riesgo

open access: yesRevista Facultad de Ingeniería, 2017
Los proveedores logísticos 3PL tienen influencia directa en el desempeño global de la cadena de abastecimiento y en el éxito de la gestión empresarial. La contratación de estos proveedores involucra el estudio detallado y cuidadoso de múltiples criterios;
Giselle Ramírez-Flórez   +2 more
doaj   +1 more source

Production of building elements based on alkali-activated red clay brick waste

open access: yesRevista Facultad de Ingeniería, 2016
This paper analyzes the feasibility of reusing a red clay brick waste (RCBW) in order to produce building elements such as blocks, pavers and tiles, by using the technique of alkaline activation. The production of these building elements was based on the
Rafael Andres Robayo-Salazar   +2 more
doaj   +1 more source

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