Results 31 to 40 of about 31,045 (151)

Evaluación hidráulica en laboratorio de goteros de bajo caudal usados en cultivos intensivos bajo plástico

open access: yesIngeniería del Agua, 2023
En este trabajo, se han evaluado hidráulicamente una selección de goteros de bajo caudal escogidos entre los más usados en el riego de cultivos hortícolas en invernaderos bajo plástico en la provincia de Almería.
Rafael Reyes-Requena   +4 more
doaj   +1 more source

Use of Lachancea thermotolerans for Biological vs. Chemical Acidification at Pilot-Scale in White Wines from Warm Areas

open access: yesFermentation, 2021
Climate change is affecting vineyards, resulting in grapes with a low acidity a high pH and sugar at harvest time. The most common procedure so far to improve the acidity and reduce the final pH of wines is to use tartaric acid, but wine can also be ...
Cristian Vaquero   +5 more
doaj   +1 more source

Diagnóstico financiero y desempeño exportador de las MIPYMES Colombianas.

open access: yesPanorama Económico, 2018
Esta investigación se centra en el desempeño de las exportaciones y las limitaciones financieras que enfrentan las micro, pequeñas y medianas empresas (MiPyMEs) colombianas en los mercados internacionales.
María Ines Barbosa Camargo   +3 more
doaj   +3 more sources

Imagen país de Colombia desde la perspectiva extranjera

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2015
Colombia es un país con un posicionamiento histórico negativo en mercados internacionales. Si bien los gobiernos y los prescriptores han dedicado esfuerzos por mejorarla, la percepción del extranjero se mantiene polarizada, es decir, todavía el país es ...
Lina María Echeverri Cañas   +2 more
doaj   +1 more source

Study of emitter clogging by means of different irrigation quality indexes using reclaimed water

open access: yesIngeniería del Agua, 2022
In this work, the evolution of six irrigation quality indexes was studied using treated wastewater, according to the treatment applied, the type of emitter, its hydraulic behavior and its insertion form.
Rafael Reyes Requena   +5 more
doaj   +1 more source

Eosinophils and Chronic Respiratory Diseases in Hospitalized COVID-19 Patients

open access: yesFrontiers in Immunology, 2021
BackgroundStudies on the role of eosinophils in coronavirus disease 2019 (COVID-19) are scarce, though available findings suggest a possible association with disease severity.
Marcela Valverde-Monge   +13 more
doaj   +1 more source

El río de la Memoria [PDF]

open access: yes, 2009
Artistas participantes: José Cala Fontquernie, Frank-Joachim Grossmann, Karen Pullich, Alexander Pawlik, Andreina Scanu, Aiman HH, Ángeles de la Torre, Anna Jonnson, Arnaud Velten, David Toral, César Ripoll, Catherine Weber, Dieter Zurnieden, Elena Toral,
Algovi, Jesús
core  

Comparison of Smart Visual Attention Mechanisms for Humanoid Robots

open access: yesInternational Journal of Advanced Robotic Systems, 2012
Cameras are one of the most relevant sensors in autonomous robots. One challenge with them is to manage the small field of view of regular cameras. A method of coping with this, similar to the attention systems in humans, is to use mobile cameras to ...
Carlos E. Agüero   +3 more
doaj   +1 more source

Co-existence of Inoculated Yeast and Lactic Acid Bacteria and Their Impact on the Aroma Profile and Sensory Traits of Tempranillo Red Wine

open access: yesFermentation, 2020
: This study investigates the effects of simultaneous inoculation of a selected Saccharomyces cerevisiae yeast strain with two different commercial strains of wine bacteria Oenococcus oeni at the beginning of the alcoholic fermentation on the kinetics of
Pedro Miguel Izquierdo-Cañas   +5 more
doaj   +1 more source

Creative X. Gender discourses: Mar García Ranedo, María Cañas and María José Gallardo [PDF]

open access: yes, 2012
Este artículo pretende contribuir a los estudios sobre género en la ciudad de Sevilla. Tratamos de arrojar un poco de luz sobre la pervivencia de los discursos de género, sus códigos, técnicas y tecnologías, bien de herencia feminista o del arte de ...
Lara-Barranco, Paco   +1 more
core  

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