Diagramas de energia de orbitais em livros didáticos de Química Geral: uma análise sob o viés da semiótica Peirceana

Evandro Fortes Rozentalski, Paulo Alves Porto
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引用次数: 1

Abstract

EnglishIn this paper the use of orbital energy diagrams in General Chemistry textbooks used in Brazilian universities throughout the twentieth century was analyzed. Sixteen textbooks published between 1950 and 2001 were selected. C. S. Peirce’s semiotics was chosen to analyze the use of energy diagrams in the textbooks. The analysis revealed that the use of orbital energy diagrams occurs in different contexts and with different goals. From a semiotic point of view, the meanings of the signs that make up the diagrams and the rules guiding their construction and operation are previously agreed, thus providing the foundations for their interpretation. However, more subtle aspects deviate from such foundations and may result in interpretations that were unintended by the textbooks authors. Such misconceptions may be overcome by means of more elaborate insights into the nature and the role of representations in teaching, such as those arising from Peircean semiotics. portuguesNeste artigo foi analisado o emprego de diagramas de energia de orbitais em livros didaticos de Quimica Geral, utilizados no ensino universitario brasileiro ao longo do seculo XX. Para isso, 16 livros publicados entre 1950 e 2001 foram selecionados, e a semiotica peirceana foi utilizada como referencial de analise para o entendimento sobre diagramas. A analise revelou que o uso de diagramas de energia de orbitais ocorre em diferentes contextos de aplicacao e com diferentes objetivos. Do ponto de vista da semiotica, os significados dos signos que compoem os diagramas, e as regras que orientam sua construcao e operacao, sao previamente convencionados, fornecendo, assim, bases minimas a respeito de como interpreta-los. Todavia, aspectos mais sutis se afastam dessa base minima e podem acarretar interpretacoes nao pretendidas por seus autores. Tais concepcoes alternativas podem ser superadas atraves de compreensoes mais elaboradas sobre a natureza e o papel das representacoes no ensino, fundamentadas na semiotica Peirceana.
普通化学教科书中的轨道能量图:皮尔斯符号学偏见下的分析
本文分析了整个二十世纪巴西大学普通化学教材中轨道能图的使用情况。从1950年到2001年出版的16本教科书入选。C. S.皮尔斯的符号学被用来分析教科书中能量图的使用。分析表明,轨道能量图的使用发生在不同的背景和不同的目的。从符号学的角度来看,构成图表的符号的意义和指导它们的构造和操作的规则是事先商定的,从而为它们的解释提供了基础。然而,更微妙的方面偏离了这些基础,可能导致教科书作者意想不到的解释。这些误解可以通过对教学中表征的性质和作用的更详细的见解来克服,例如那些来自皮尔森符号学的见解。葡萄牙国家能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析与轨道能源与轨道图解分析帕拉之16 livros publicados之间1950 e 2001有孔虫selecionados, e一semiotica peirceana信息自由utilizada科莫参考德注意对位o entendimento尤其diagramas。在不同的应用环境下,针对不同的目标,对能量轨道图进行了分析。从符号的角度看,从符号的角度看,从符号的角度看,从符号的角度看,从符号的角度看,从结构的角度看,从符号的角度看,从符号的角度看,从符号的角度看,从符号的角度看,从符号的角度看,从符号的角度看,从符号的角度看。今天,aspect的主要功能是使用基于最小值的数据集来进行数据集解释,而不是使用较差的数据集。这一概念是一种替代性的概念,即“超概念”,即“综合的概念”、“抽象的概念”和“自然的概念”,而不是“抽象的概念”、“基本概念”和“符号学的概念”。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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