613 resultados para Casamento de impedância


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Pós-graduação em Engenharia Mecânica - FEB

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Distribution networks are formed by long lines that carry electricity substations to homes and industries. These lines have associated impedance and depending on operating conditions of the network these impedances may vary. This paper provides a detailed analysis of the effects observed in studies of voltage drop, short circuit and electrical losses, when considered the drivers sequence impedances used in primary distribution network at different temperatures. Therefore, it is initially presented a calculation methodology and details the factors that influence the final values. The methodology presented tackles in a practical way the main factors that directly or indirectly influence the values of the impedances as an emblematic example and will be properly dealt with throughout the paper is the effect of temperature on the values of the sequence impedances. More specifically is dealt with the case of XLPE cables protected, by having a higher maximum operating temperature than the operating temperature of the network. The effects observed in the power flow generated when considering the impedance values at both temperatures were analyzed. The impedance drivers tend to increase with increasing temperature. Thus the impedance of the conductor XLPE protected will tend to be greater for the maximum operating temperature for which the operating temperature of the network, resulting in greater voltage drop and higher electrical losses

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Biotecnologia - IQ

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Pós-graduação em Química - IQ

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This article, about reflections on the condition of Brazilian women from the Colony to the first decades of the twentieth century, reveals the historical position of them and the attitudes and behaviors related to gender and sexuality. Subdued, it was treated as a sexual object, arousing all sorts of misogyny by men. Rebel, veiled or ostensibly, could serve their own desires. Throughout history, the Church and medical institutions which jointly accounted for, significantly, established the meaning and place of women. In Colony period, the woman is a ward from the Catholic ideology, but from the nineteenth century, after Independence, this power control arises to Medicine. The physician submits the religious discourse, naturalizing the status of women as one that breeds, namely the insertion of the medical issues of family scientifically legitimate colonial patriarchy. This is accentuated in the early twentieth century, when medicine consolidated setting standards and rules for marriage, to motherhood and family life. We note how the feminine universe was (and it is nowadays) ambivalent, with "one foot" in virtue and another in sin, with a tendency to contain and another to trespass. On the one hand we have the home and motherhood, validated in marriage, in which the woman is cared for and dependent on her husband. Reflecting on the motherhood of Virgin Mary, comes to the sacred dimension of the idealized woman saint by the Church. At the same time, however, feels the need for freedom, identity and independence, needing to give a voice to the desire to have their sexuality and all that it is due in full. The manifestation of the desire and the call for sexual satisfaction, and put in permanent conflict personal, psychological and social split between moral entrenched across generations and cultural transformations resulting from decades of the 20th Century.

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The concept of gender is relational and refers to the the overcoming of the biological determinism, it has historical and cultural roots going beyond the anatomical differences between men and women. This documental research investigated patterns of sexuality and gender in sexual education books for children and teenagers. Ten books were analyzed, selected in bookstores websites. The content of the books and their illustrations show: 1) stereotypical and naturalized view of femininity and masculinity, 2) patterns of traditional and patriarchal families, 3) romanticized concept of marriage and reproduction, 4) stereotypes of beauty and "normal" body. It is concluded that sexual education books for children and teenagers reproduce normative standards that can stimulate a sexist education and should not be used in works of sexual education without critical reflection.

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Existem representações sociais diversas sobre padrões definidores de normalidade que direcionam o erotismo humano, incluindo aí concepções sobre casamento e relacionamento conjugal. A literatura pode ser um modo de evidenciar esses padrões, por isso, este estudo qualitativo, tipo documental, teve por objetivo analisar a temática das relações conjugais em duas obras do autor russo Lev Tolstói: “Felicidade Conjugal” e “A Sonata a Kreutzer”. A partir da análise de conteúdo, os resultados discutem as seguintes categorias: 1) A relação conjugal como sinônimo de posse; 2) O desejo sexual como mercadoria, 3) Enamoramento e Amor e 4) Casamento e Fidelidade e 5) Relacionamento e gênero. Nas duas narrativas as dificuldades nos relacionamentos conjugais são apresentadas de modo a explicitar o enamoramento e o cotidiano tendo como pano de fundo as relações de posse entre as pessoas; a crítica evidente diz respeito ao principio de individuação, que tem como base a propriedade privada, inclusive nos relacionamentos amorosos e sexuais. Conclui-se que a análise dessas obras de Tolstói contribui para refletir sobre como os relacionamentos conjugais se configuram também na atualidade; além disso, ressalta-se que a literatura é um instrumento interessante para problematizar e refletir certos padrões de conduta em sexualidade e que poderia ser usada em propostas intencionais de educação sexual.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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This paper will discuss the wedding in the historical conditions of feudalism, and mainly, summarize partially the book Heloise and Isolde and other ladies of the twelfth century, in which the author provided an historical condition significant, exploring of an original manner the documents known. Then we will see as important medievalists have studied the issues addressed by Duby as kinship, sexuality, male and female, and that were the object of our work, serving as a counterpoint to them.