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Background: The population of Bonelli’s eagle (Aquila fasciata) has declined drastically throughout its European range due to habitat degradation and unnatural elevated mortality. There are less than 1500 breeding pairs accounted for in Europe, and the species is currently catalogued…

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Toda organización productiva hace uso de
conocimientos científi cos y tecnológicos que
o bien están incorporados en los sistemas físicos
de producción y en el personal humano
que la integra, o bien se encuentran fuera de
ella. Estos conocimientos necesitan…

Background. The extraction of salt from seawater by means of coastal solar salterns is a very well-described process. Moreover, the characterization of these environments from ecological, biochemical and microbiological perspectives has become a key focus for many research groups all…

A key problem in model-based object recognition is selection, namely, the problem of determining which regions in the image are likely to come from a single object. In this paper we present an approach that extracts and uses color region…

This study investigated the effect of one semester of ESOL education on preservice teachers by examining their perceived knowledge and skill in working with English Language Learner (ELL) students, and their attitude toward having ELL students in their mainstream classrooms. The survey identified…

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In this study we analyze the meaning of symbols based on the psychological approach of Piaget. In addition, we would like to stimulate more research in this area. A symbol has sense when it has a nexus with a specific…