1000 resultados para València-Història-Corts


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This work aimed to compare fertigation to conventional fertilization in a five-year-old 'Valência' orange orchard, irrigated by microsprinklers. The conventional fertilization, using the recommended dosage for the crop, was parceled out in three during the year. In the fertigation treatments a complete dose, 1/2 and 1/3 of the conventional fertilization dose, parceled out in ten in a year, were used. Trunk circumference and leaf volume, leaf chlorophyll content and fruit yield and quality were measured. For the first year, significant differences among the treatments for the evaluated parameters were not observed; however, it was noticed that fertigation treatments caused less nutritional unbalance, obtained by DRIS. The fertigation treatment using half dosage showed the best result regarding to fruit yield and quality.

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The history of concepts, albeit still little explored by information science, can provide important contributions for the study of key concepts that constitute the theoretical-conceptual framework in a scientifi c context. Thus, the history of concepts is presented as a tool for the study of diachronic and synchronic features of the scientific concept in Information Science. For such, it was imperative to understand the intersection of the categorical-abstract and analytical-causal dimensions, both relevant for constituting the very proposition of the history of concepts elaborated by Reinhart Koselleck.

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Since the 1990s, research into indigenous history has grown both quantitatively and qualitatively in Brazilian academia. Nevertheless the concepts of ethnohistory and indigenous history have been frequently used imprecisely. This article discusses the concept of ethnohistory and its development. Also, it discusses the interdisciplinary character of research into indigenous history and its social relevance. Questions are also raised about the training of human resources for teaching, the research into indigenous history, the teaching of it in the context of basic education and the professional ethics of the researcher.

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This paper proposes a discussion on the need to prepare a history of development through effective approaches and methods of its own history. The objective is to show how, until now, historians have not produced a history of development in light of the discussions and disputes related to the structuring of history as a field of knowledge. To this end, it was demonstrated how history can help to identify the borders of history that allowed the consecration of a limited development model and tied only to criteria of economic performance.

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In this article we tried to show the paths outlined during the past years by the Research Group on History of Mathematics and/or its relations with Mathematics Education (GPHM) at UNESP in Rio Claro - Brazil, as well as the contributions we believe we have made to Mathematics Education. The group's production has focused on issues that address the history of institutions and characters, linked to the history of disciplines, concepts and learning materials. Also, in broader terms of mathematics education, this article presents results from research that supports the understanding of teachers' conceptions about the use of History of Mathematics in the classroom; material on the history of mathematics accessible to the teacher; the presence of the history of mathematics in textbooks; proposed introductions of real numbers; and the subject of Analysis in teacher education and training.

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In this paper we intend to sketch a configuration of the research practices of the Research Group Oral History and Mathematics Education (GHOEM) and, in general terms, to explain some concepts and procedures in which these practices are founded. In order to do this, the expression Regimes of Historicity - meaning the different ways of articulating the notions of present, past and future - is initially mobilized. By this expression we are able to understand the emergence of the discourse that underpins a set of actions and theoretical frameworks for the research in Mathematics Education and more particularly, for the Historiography of Mathematics Education.

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Within the proposed framework for this issue of the journal História da Historiografia, the present article is a concise report on the trajectory of a university professor of history. The author writes on the obtainment of his degree at the USP, his participation in the beginning of undergraduate and graduate courses in the interior of the state of São Paulo, including the experience of taking part in the beginnings of the public university Universidade Estadual Paulista (UNESP). The author also discusses aspects of his academic and institutional life, and reports on the process of his insertion in an established historiographical line of work. It can be introductorily noted that the reader will not always find a linear chronological order, due to the multifaceted nature of the activities of a university professor of history. An additional note is that I have not made complete bibliographical citations, as I understand that the readers are specialists in the historians' craft.