970 resultados para Märklin, Christian, 1807-1849.
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Although social networking sites (SNSs) present a great deal of opportunities to support learning, the privacy risk is perceived by learners as a friction point that affects their full use for learning. Privacy risks in SNSs can be divided into risks that are posed by the SNS provider itself and risks that result from user’s social interactions. Using an online survey questionnaire, this study explored the students’ perception of the benefits in using social networking sites for learning purposes and their perceived privacy risks. A sample of 214 students from Uganda Christian University in Africa was studied. The results show that although 88 % of participants indicated the usefulness of SNSs for learning, they are also aware of the risks associated with these sites. Most of the participants are concerned with privacy risks such as identity theft, cyber bullying, and impersonation that might influence their online learning participation in SNSs.
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This Master’s Thesis examines transnational conflicts and Christian-Muslim relations in Nigeria between the years 2001 and 2006. It focuses on two major transnational conflicts: The September 11, 2001 attacks in the United States and the Danish cartoon controversy of 2005/2006. It discusses the impact of these transnational conflicts on Christian-Muslim relations in Nigeria in the light of the implementation of the Sharia Law in some northern Nigerian states and the improved access to the broadcast media and mobile telephone communication in Nigeria. By underscoring the relationship between transnational conflicts and the local context, this study provides a new perspective for understanding Christian-Muslim relations in Nigeria
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My research aims to understand how and why fundamentalists justify violence against people who do not fit their profile of "righteous" or "saved" persons, such as abortion doctors and clinic workers, gays and lesbians, and Jews. The first section of this paper travels through the history of fundamentalism since its origins in the British and American apocalipticism, or belief in the Second Coming of Jesus Christ. However, my history of Protestant Fundamentalism in the United States will focus on the ways in which Fundamentalism developed in response to many changes in American social structure. I interpret Fundamentalism as an anti-modern movement seeking to reassert "traditional" Christian values.
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It is important to assert that this study is not a work to inflict guilt on the Catholics or Catholicism for their silence and indifference during the Holocaust. Instead, this study is about the process of moving on from the Catholic Church's past to where the Jewish community's theological existence was finally recognized and the Jewish people were no longer seen as the Others who killed Christ. This was, achieved through a church declaration titled Nostra Aetate (In Our Time). This study records the journey traversed by this declaration, the insurmountable odds it faced in its creation until its promulgation and the impact it has on the Jewish-Christian relationship.
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In this paper I have attempted to present a summary of my exposition of the theology of Rauschenbusch and Niebuhr, and of my own understanding of the issues of Christian Social Action. I have tried to reproduce in this short space the thought of these men, in a manner which should make it comprehensible and which should relate it to the larger questions of social action. This year’s work as a Senior Scholar has proved invaluable because of the discipline of self-directed study which the work taught, and because of myriad possibilities of future investigation which it has suggested. I hope that someday this present manuscript may be expanded into something more substantial. The personal value of such a project, in my opinion, must be measured by the contribution which the project makes to the individual’s general experience, and not merely by the written work which is produced. Therefore, although this manuscript is rather brief, it represents a great deal of value which I feel that I can measure only by my own experience.
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Rui Carita
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This is the first record of Amblyomma rotundatum parasitizing Paleosuchus palpebrosus. This record was made during a herpetofaunal study carried out in high-elevation habitats that are under protection in the mountain range "Serra do Amolar", located in the western border of Brazilian Pantanal, in the state of Mato Grosso do Sul.
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This paper aims at studying the influence of photoperiod on the cultivation of Brycon orbignyanus (Valenciennes, 1849) (Osteichthyes, Characidae) post-larvae submitted to four treatments: 0L-24D (L=Light; D=Dark), 10 - L14D, 14L - 10D and 24L-0D, with 3 repetitions. Post-larvae measuring 7.8±0.7mm and weighting 3.5±0.8mg were distributed in 12 aquariums (10L), stocked with 12 post-larvae per aquarium. Fishes were fed daily with Artemia sp. nanplii, in 10 days experiment. A positive relationship between the survival rate (88.9±9.7%) observed in the treatment with 24 hours of luminosity, and the lowest (58.3±8.3%), in the treatment with 24 hours of darkness. No difference was showed (P>0.05) in the mean length and weight of the post-larvae, although there was greater heterogeneity among the post-larvae cultivated at the longer darkness period.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Studies of sub-lethal effects of pesticide residues on stingless bees are scarce and morphological analysis of organs would add information to toxicological analysis in order to clarify the continuous exposure of Scaptotrigona postica to insecticides. The aim of this study was to evaluate the morphology and histochemistry of the Malpighian tubules (excretory organ) of S. postica exposed to fipronil or boric acid to detect cellular responses that indicate toxicity or adaptative mechanisms to stress induced by exposure of worker bees to low doses of these chemical compounds. Newly emerged bees were submitted to toxicological bioassays and morphological analyses by optical microscopy and Transmission Electron Microscopy, as well as histochemical methods, were performed to detect proteins and glycoconjugates. Additionally, immunohistochemical detection of DNA fragmentation and HSP70 (70-kDa Heat shock protein) were performed to detect cell death and stress response, respectively. Statistical analysis, for the bioassays conducted with ingestion of contaminated diet with boric acid at 0.75% (w/w) or with fipronil at 0.1μg/kg of food, showed that the survival of bees that ingested the contaminated diets were significantly different to the survival rate presented by the control group (P<0.0001). Although some characteristics indicative of initiation of cell death were observed, the cells remained metabolically active in the processes of excretion and inactivation of chemical compounds. The data from this study reinforce the importance of research on sublethal effects of low doses of pesticides on bees in an attempt to assess a possible realistic dose and evaluate the risk assessment of stingless bee S. postica foraging in the vicinity of cultivated fields and/or in green urban areas. © 2013 Elsevier Ltd.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)