Abstract. This paper presents a method to measure the lesions originated by the Cercospora arachidicola and Cercosporidium personatum fungi, which cause, respectively, the early and late leaf spots in peanut plants. The proposed method is based on a modified version…

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Abstract. This paper presents a new method based on digital image processing techniques such as color transformations and mathematical morphology, as well as on some specialist knowledge, to provide estimates for the lengths of rice panicles that have been removed…

The process of water erosion occurs in watersheds throughout the world and it is strongly affected by anthropogenic influences. Thus, the knowledge of these processes is extremely necessary for planning of conservation efforts. This study was performed in an experimental…

The present study analyzed the role of architectural representations - drawings and three-dimensional models -, on the process of knowledge building of architecture history. The article focuses on Arkhanes' model and its relationships with the reconstitution of architecture, work of…

Résumé : L’étude s’inscrit dans le contexte de l’initiative québécoise de l’École éloignée en réseau (l’ÉÉR) visant à enrichir la qualité de l’environnement d’apprentissage des petites écoles rurales. L’étude s’intéresse de façon spécifique aux interactions asynchrones qui surviennent entre des…

Resumo: A adubação boratada foliar, na cultura do amendoim, pode ser uma estratégia viável para fornecimento desse elemento à planta; porém, são poucos os conhecimentos sobre dosagens, épocas e efeitos de parcelamento das doses. O objetivo deste trabalho foi avaliar…

The objectives of this study were to verify if students of Open University of Brazil approve of mobile learning (m-learning) initiatives, to identify the students' perspectives about m-learning, to develop a model of instructional design for m-learning environments, and to…

The increased pace of species listing worldwide, coupled with the scarcity of conservation funding, promote the use of targeted monitoring. We applied the recommendations of Nichols and Williams (Trends in Ecology and Evolution 2006 24:668-673) to optimize the Québec Chimney…

Por medio de un estudio realizado a tres grandes multinacionales colombianas
pertenecientes al sector de alimentos de consumo masivo (Quala, Casaluker y
Colombina), con base en las diferentes teorías desarrolladas a través del tiempo
sobre la internacionalización de las empresas,…