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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

MICRO-ONDAS COMO ALTERNATIVA TECNOLÓGICA PARA AUMENTO DO RENDIMENTO INDUSTRIAL DA CANA-DE-AÇÚCAR / MICROWAVE TECHNOLOGY AS AN ALTERNATIVE TO INCREASE INDUSTRIAL EFFICIENCY OF SUGAR CANE

Sedano, Marcos Vinicius 18 December 2012 (has links)
Made available in DSpace on 2016-01-26T18:56:26Z (GMT). No. of bitstreams: 1 Marcos Vinicius Sedano.pdf: 443485 bytes, checksum: 533bdf2626f62477d172c8a37bb17fa9 (MD5) Previous issue date: 2012-12-18 / The use of microwave in sugar mill has the purpose to raise the temperature of the material by irradiation. The central hypothesis of this work is that the elevation of temperature, collaborates on improving sugarcane disintegrated in the extraction process. We use two types of sugar cane, disintegrated rubber mat and shutt-donelly of the fifth suit. In a first test were applied the potencies 0W, 125W, 156W, 188W, 218W and 250W. In the second test were applied to maximum power by varying the time of 312W 30s, 40s, 50s, 60s, 70s, 80s and 90s. Both trials were conducted with four replications. The randomized factorial, being a factor was the origin of sugar cane (rubber mat or shutt donelly of the fifth suit) and another factor to power in the first test and the exposure time in the second test. Microwave radiation extraction rates increases, reducing the weight of the cake moist (PBU). There is a correlation between rates of extraction and heating power. / A utilização de micro-ondas nas agroindústrias tem como um dos objetivos elevar a temperatura do material pela irradiação. A hipótese central deste trabalho é que a elevação da temperatura da cana desintegrada, colabora na melhoria do processo de extração do caldo. Foram utilizados dois tipos de cana-de-açúcar: desintegrada da esteira de borracha, e do shutt-donelly do quinto terno. Num primeiro ensaio foram aplicadas as potências 0W, 125W, 156W, 188W, 218W e 250W. No segundo ensaio foram aplicadas a potência máxima de 312W variando o tempo de 30s, 40s, 50s, 60s, 70s, 80s e 90s. Ambos ensaios foram realizados com quatro repetições. O delineamento estatístico foi fatorial, sendo um fator a origem da cana (esteira de borracha ou shutt donelly do quinto terno) e outro fator a potência no primeiro ensaio e o tempo de exposição no segundo ensaio. A radiação micro-ondas aumenta os índices de extrações, reduzindo o peso do bolo úmido (PBU). Há uma correlação entre índices de extração e potência de aquecimento.
2

MICRO-ONDAS COMO ALTERNATIVA TECNOLÓGICA PARA AUMENTO DO RENDIMENTO INDUSTRIAL DA CANA-DE-AÇÚCAR / MICROWAVE TECHNOLOGY AS AN ALTERNATIVE TO INCREASE INDUSTRIAL EFFICIENCY OF SUGAR CANE

Sedano, Marcos Vinicius 18 December 2012 (has links)
Made available in DSpace on 2016-07-18T17:51:10Z (GMT). No. of bitstreams: 1 Marcos Vinicius Sedano.pdf: 443485 bytes, checksum: 533bdf2626f62477d172c8a37bb17fa9 (MD5) Previous issue date: 2012-12-18 / The use of microwave in sugar mill has the purpose to raise the temperature of the material by irradiation. The central hypothesis of this work is that the elevation of temperature, collaborates on improving sugarcane disintegrated in the extraction process. We use two types of sugar cane, disintegrated rubber mat and shutt-donelly of the fifth suit. In a first test were applied the potencies 0W, 125W, 156W, 188W, 218W and 250W. In the second test were applied to maximum power by varying the time of 312W 30s, 40s, 50s, 60s, 70s, 80s and 90s. Both trials were conducted with four replications. The randomized factorial, being a factor was the origin of sugar cane (rubber mat or shutt donelly of the fifth suit) and another factor to power in the first test and the exposure time in the second test. Microwave radiation extraction rates increases, reducing the weight of the cake moist (PBU). There is a correlation between rates of extraction and heating power. / A utilização de micro-ondas nas agroindústrias tem como um dos objetivos elevar a temperatura do material pela irradiação. A hipótese central deste trabalho é que a elevação da temperatura da cana desintegrada, colabora na melhoria do processo de extração do caldo. Foram utilizados dois tipos de cana-de-açúcar: desintegrada da esteira de borracha, e do shutt-donelly do quinto terno. Num primeiro ensaio foram aplicadas as potências 0W, 125W, 156W, 188W, 218W e 250W. No segundo ensaio foram aplicadas a potência máxima de 312W variando o tempo de 30s, 40s, 50s, 60s, 70s, 80s e 90s. Ambos ensaios foram realizados com quatro repetições. O delineamento estatístico foi fatorial, sendo um fator a origem da cana (esteira de borracha ou shutt donelly do quinto terno) e outro fator a potência no primeiro ensaio e o tempo de exposição no segundo ensaio. A radiação micro-ondas aumenta os índices de extrações, reduzindo o peso do bolo úmido (PBU). Há uma correlação entre índices de extração e potência de aquecimento.
3

Le roman paranoïaque russe : Fedor Sologub, Andrej Belyj, Vladimir Nabokov / Russian paranoid novel : Fedor Sologub, Andrej Belyj, Vladimir Nabokov

Skonechnaya, Olga 05 December 2011 (has links)
L'objectif de ce travail consiste dans la mise en lumière et la description d'une certaine forme littéraire que nous définissons comme «roman paranoïaque»: il s'agit de grandes oeuvres en prose de Fiodor Sologoub, Rêves lourds et Démon mesquin ainsi que de celles d'Andreï Biély, La Colombe d'argent, Pétersbourg, Carnets d'un toqué, Moscou. Le roman paranoïaque reproduit le processus de connaissance déficiente, réalisée par le héros et transformée par l’auteur en une réalité délirante, c’est-à-dire romanesque. L’objet de notre étude est la stratégie symboliste d'utilisation d’un certain modèle clinique dans le but de lui donner un sens métaphysique, mystique, mythologique, esthétique et de la transmuer en une poétique. Nous aborderons également des textes de Vladimir Nabokov que nous nous proposons de présenter comme un reflet parodique et une étape postsymboliste de cette tradition. / The aim of this study is to extract and describe a literary form which we define as a “paranoid novel”. We attribute this form to Heavy dreams and Petty daemon by Fyodor Sologub and Silver dove, Diary of a crank, Petersburg and Moscow by Andrey Belyï. A paranoid novel reproduces a process of a deficient learning of a hero. The author converts this process into a delirious reality i.e. a reality of novel. Our study is focused on the symbolistic strategy which confers a specifcic meaning to a relevant clinical model. This metaphysical, mystical, mythological, aesthetical meaning transforms the model yielding poetics. We study Nabokov’s texts as well in order to provide an insight into their parodying and post-symbolistic developing of the tradition.

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