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Desenvolvimento de procedimentos analíticos para a avaliação de nanosuspensões de fertilizantes e efeitos sobre a produtividade de culturas agrícolas
(Universidade Federal de São Carlos, 2016-04-04) Liberato, Clayton Gondim; Nóbrega, Joaquim de Araújo; https://lattes.cnpq.br/8833989058164529; https://lattes.cnpq.br/1890025859346521
This study was carried out in three steps: 1) production and characterization of nanosuspensions; 2) development of analytical methods for elemental analysis of fertilizers and plant tissues and comparison between inductively coupled plasma optical emission spectrometry (ICP OES) and microwave induced plasma optical emission spectrometry (MIP OES); 3) agronomical experiments in which the monoelementar nanosuspensions containing zinc, calcium or manganese and other commercial fertilizers were applied in lettuce, corn and soybeans. The particle sizes for nanosuspensions were about 4, 8 and 10 times lower than commercialized products based on zinc, calcium and manganese, respectively. Analytical procedures developed for fertilizers analysis by direct analysis of the nanosuspensions and applying the official method were statistically equal and equivalent in both equipments, with recoveries interval from 99 to 102%. The results of the plant tissue analysis showed statistical differences for most of the analytes, however analysis of the certified reference material apple leaves, NIST 1515, showed recoveries from 80 to 100 % for both equipments. The agronomical experiments have shown productivity gains of around 15% for the application of manganese and zinc nanosuspensions in soybeans, compared to other products tested; although the increase in productivity has not been noticeable to corn crop. For lettuce crop was observed that commercial applications and Calcium Nano (200 mg plant-1) contributed for obtaining bigger plants and to a large absorption of calcium.
The rime of the ancient mariner” em diferentes narrativas
(Universidade Federal de São Carlos, 2016-04-04) Poletti Neto, Walter; Ferreira, Carla Alexandra; https://lattes.cnpq.br/5522506928191940; https://lattes.cnpq.br/2047269154670988
The main objective of this dissertation is to investigate the dialogue between the romantic poem The Rime of the Ancient Mariner, by Samuel Taylor Coleridge, first published in 1798, and its transcreation – concept proposed by Haroldo de Campos – in the homonymous song released by the heavy-metal group Iron Maiden. Based on three levels of analysis of both texts, according to Fredric Jameson dialectical critic, this interpretation will make evident or clear, in the very first moment, which elements of the poem are approached or neglected in Steve Harris’ adaptation, leader, founder and main songwriter of the British group; simultaneously, a comparison between the form of the texts will be made to list important elements such as rime and meter, verses and stanzas, fable, “characters”, and others. In the second moment, the analysis must point out how nature and religion, illustrated in elements such as the sea, rain, snow, fog and mist, Sun and Moon, wind and breeze, beautiful or slimy living things, prayers, sin and “shrieve” made critics such as Franca Neto, John Lowes, Alexander Silva and Tania Asnes to interpret the poem as imaginative, subjective or religious, connected to what Fredric Jameson calls strategies of containment. The third level of reading will bring up the History hidden under the surface of the work of arts, or in other words, an social-aesthetical reading or an “political interpretation of the literary texts” (JAMESON, 1992, p. 15) supported specially in the concepts of mediation – “the establishment of relationships between, say, the formal analysis of a work of art and its social ground, or between the internal dynamics of the political state and its economic base” (ROBERTS, 2000, p. 78, 79), verifying acts socially symbolic revealed in a final analysis.
A recepção crítica de Nicanor Parra no Chile (1937- 2010)
(Universidade Federal de São Carlos, 2016-04-04) Toro Castillo, Juan Francisco; Rodrigues, Raquel Terezinha; https://lattes.cnpq.br/2468134516070432; https://lattes.cnpq.br/2287741778935811
In this study we articulate and analyze Nicanor Parra’s critical fortune, published in Chile before and after the success achieved by the Chilean writer, having as parameter the Chilean National Prize of Literature, which he won in 1969. We point out to the reception aspects registered by real readers, that give life and dictate the history of Nicanor Parra’s literary Project, by taking over te text. Such critical impressions took place between 1939 and 2011. We observed the Horizon of Change passing through the critical fortune collected, by Robert Jauss Reception Theory.