Submitted by Celso Magalhaes (celsomagalhaes@ufrrj.br) on 2017-10-18T10:52:37Z No. of bitstreams: 1 2015 - Bruna Rodrigues Pereira.pdf: 2671756 bytes, checksum: b38e36947fda465d9d78272a81b2e947 (MD5) / Made available in DSpace on 2017-10-18T10:52:37Z (GMT). No. of bitstreams: 1 2015 - Bruna Rodrigues Pereira.pdf: 2671756 bytes, checksum: b38e36947fda465d9d78272a81b2e947 (MD5) Previous issue date: 2015-09-29 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / This study aimed to evaluate the quality of 'Sweet Celebration' and 'Sweet Globe' grapes, subjected to minimally processing, as well as the effectiveness of three rinsing solutions (water, sodium metabisulfite and chlorine) and pedicel cut intensity (with and without pedicel), in the conservation of these fruits during 12 days refrigerated storage to temperature at 8 ? C . The experiments were performed at Embrapa Agroind?stria de alimentos. For both experiments were applied rinse solutions, with water, sodium metabisulfite (20 mg. L-1) and chlorine (8 mg. L-1), that characterized the treatments, during the rinse step of minimally processing grapes, it being used two pedicel cut intensities:full cut and maintenance of a little fragment about 0,5 cm. Quality analyzes were performed at 0, 3, 6, 9, and 12 days of storage, and it was determined fresh weight loss cumulative , fruit firmness, color analysis, acidity, pH, total soluble solids, SST/ATT rate , sugars (sucrose , fructose and glucose) and enzymatic activity of pectinametilesterase for both cultivars. For Sweet Celebration grapes were also carried out the percentage fruit loss (9th and 12th day of storage) and anthocyanins. In 'Sweet Globe' grapes were realized total carotenoids, chlorophylls (a, b and total) and microbiological analyses. To the cultivate Sweet Celebration was possible identify berries out of commercial standard in the 9? day of storage. In the fresh weight loss cumulative, berries without pedicel had higher loss in the rinse with water from the 6th day of storage. For berries with pedicel the rinse with chlorine had the lowest fresh weight loss cumulative up 9th day of storage. For the firmness , berries without pedicel (4.44 N) had lower firmness compared to berries with pedicel (5.04 N), there wasn't significant difference between the rinsing solutions (p> 0.05). To cultivate Sweet Globe, berries with pedicel and rinsed with water had higher fresh weight loss cumulative from the 9th day of storage. In the berries without pedicel the rinse with water led to lower fresh weight loss cumulative from the 6th day of storage. There was no difference between the isolated factors rinse solutions and pedicel cut intensit to the firmness analysis. All rinse solutions were efficient in the microbiological analysis, so the minimally processed Sweet Globe grapes were in the standard established by law for human consumption / O presente trabalho objetivou avaliar a qualidade de uvas ?Sweet Celebration? e ?Sweet Globe?, submetidas ao processamento m?nimo, assim como a efetividade de tr?s solu??es enxaguantes (?gua, metabissulfito de s?dio e cloro) e da intensidade de corte do pedicelo (com e sem pedicelo), na conserva??o desses frutos, durante 12 dias de armazenamento refrigerado a 8?C. Os experimentos foram realizados na Embrapa agroind?stria de alimentos. Para ambos experimentos, foram aplicadas solu??es de enx?gue, com ?gua, metabissulfito de s?dio (20 mg. L-1) e cloro (8 mg. L-1), que caracterizaram os tratamentos, durante a etapa de enx?gue do processamento m?nimo das uvas, sendo adotadas duas intensidades de corte do pedicelo: retirada total do mesmo e manuten??o de um pequeno fragmento com aproximadamente 0,5 cm. Foram realizadas an?lises de qualidade nos 0, 3, 6, 9, e 12 dias de armazenamento, sendo determinadas a perda acumulada de massa fresca, firmeza dos frutos, an?lise de cor, acidez, pH, s?lidos sol?veis totais, rela??o SST/ATT, a??cares (sacarose, frutose e glicose) e atividade enzim?tica da pectinametilesterase para as duas cultivares. Para as uvas Sweet Celebration, foram tamb?m realizadas a porcentagem de perda de frutos (9? e 12? dia de armazenamento) e antocianinas totais. Para as uvas ?Sweet Globe?, foram realizadas as an?lises de caroten?ides totais, clorofilas (a, b e total) e an?lise microbiol?gica. Para a cultivar Sweet Celebration, foi poss?vel detectar bagas fora de padr?o comercial no 9?dia de armazenamento. Na perda acumulada de massa fresca, bagas sem pedicelo apresentaram maior perda no enx?gue com ?gua a partir do 6? dia de armazenamento. Para bagas com pedicelo o enx?gue com cloro apresentou a menor perda acumulada de massa fresca at? o 9? dia de armazenamento. Para a firmeza das bagas, bagas sem pedicelo (4,44 N) apresentaram menor firmeza, quando comparadas ?s bagas com pedicelo (5,04 N), n?o havendo diferen?a significativa entre as solu??es de enx?gue (p> 0,05). Para a cultivar Sweet Globe, bagas com pedicelo e enxaguadas com ?gua, apresentaram maior perda acumulada de massa fresca , a partir do 9? dia de armazenamento. Para bagas sem pedicelo o enx?gue com ?gua levou a menor perda acumulada de massa fresca a partir do 6? dia de armazenamento. N?o houve diferen?a entre os fatores isolados solu??es de enx?gue e intensidade de corte do pedicelo para a an?lise de firmeza. Todas as solu??es de enx?gue foram eficientes do ponto de vista microbiol?gico, estando as uvas Sweet Globe minimamente processadas dentro do padr?o estabelecido pela legisla??o para consumo humano

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-09-13T21:42:04Z No. of bitstreams: 1 2017 - Andr? William Masseaux Vidal J?nior.pdf: 1275550 bytes, checksum: d2d211215832b8ab2e53ab8d6da5ae4b (MD5) / Made available in DSpace on 2018-09-13T21:42:04Z (GMT). No. of bitstreams: 1 2017 - Andr? William Masseaux Vidal J?nior.pdf: 1275550 bytes, checksum: d2d211215832b8ab2e53ab8d6da5ae4b (MD5) Previous issue date: 2017-02-15 / It was proposed by this study to evaluate two protocols (PA and PB) to obtain autologous canine PRP, which is easy to perform in an ambulatory (semiautomatic method) and of good quality (platelet concentration, qualitative evaluation of platelet morphology and low contamination with Erythrocytes), to later propose different therapeutic indications of these PRPs as tissue modulating agents, according to the observed cellular leukocyte pattern. For this purpose, 20 dogs (Canis lupus familiaris) were used at the UFRRJ (HV) Veterinary Hospital, males and females, aged between 1 and 7 years (mean 4 years), considered clinically and hematologically healthy for elective surgeries and / or routine consultations. After adequate trichotomy and antisepsis, 8 mL of blood were collected by venipuncture of the jugular, being immediately packed in two 4 mL flasks, vacuntainer type, containing sodium citrate 3,2%. Protocol A using double centrifugation with 210 xG and 370 xG and protocol B using double centrifugation with 140 x G and 330 x G. PRP samples obtained from each protocol were used to count platelets, erythrocytes and leukocytes in the Neubauer chamber, differential leukocyte counting and observation of platelet morphology in smears. Data (mean and standard deviations) were analyzed by the 95% probability t test (p <0,05) using Pearson's correlation to test the relationship between platelet and erythrocyte counts, platelets and leukocytes and leukocytes in Relation to red blood cells. There was a very weak negative correlation between platelets and leukocytes (? = -0,03), weak negative between platelets and erythrocytes (? = -0,3) and strong positive correlation between leukocytes and erythrocytes (? = 0,75). Although Protocol B did not reach the desired one million platelets average (979300 ? 79631 cells / ?L), both protocols, A and B (4,42 ? 1,61 and 3,85 ? 1,55 times more platelets than Total blood, respectively) (p <0,05) were efficient in concentrating platelets. The cytoplasmic prolongations evidencing platelet activation were present in 26,55 ? 6,72% of platelets of protocol A and 26,25 ? 7,03% in those of protocol B (p> 0,05). A and B presented a small number of red blood cells (p> 0,05), which were considered to be contaminants of the samples and, for the quantity of leukocytes, protocol A presented more white blood cells (p <0,05) than protocol B with higher concentrations of basophils , and lymphocytes. / Foi proposto por esse estudo avaliar dois protocolos (PA e PB) para obten??o de PRP canino aut?logo, de f?cil execu??o em ambulat?rio (m?todo semiautom?tico) e de boa qualidade (capacidade de concentra??o de plaquetas, avalia??o qualitativa da morfologia das plaquetas e reduzida contamina??o com eritr?citos), para posteriormente propor diferentes indica??es terap?uticas desses PRP como agentes moduladores de recupera??o tecidual, de acordo com o padr?o celular leucocit?rio observado. Para isso foram utilizados 20 c?es (Canis lupus familiaris) atendidos no Hospital Veterin?rio da UFRRJ (HV), machos e f?meas, com idade variando entre 1 e 7 anos (m?dia 4 anos), considerados saud?veis clinica e hematologicamente que se destinavam para cirurgias eletivas e/ou consultas de rotina. Ap?s tricotomia e antissepsia adequadas, eram coletados 8 mL de sangue por venopun??o da jugular sendo imediatamente acondicionados em dois frascos de 4 mL, do tipo vacuntainer, contendo citrato de s?dio a 3,2%. O protocolo A utilizando centrifuga??o dupla com 210 xG e 370 xG e protocolo B utilizando centrifuga??o dupla com 140 xG e 330 xG. Amostras de PRP obtidas a partir de cada protocolo foram destinadas a contagem de plaquetas, hem?cias e leuc?citos em c?mara de Neubauer, contagem diferencial dos leuc?citos e observa??o da morfologia das plaquetas em esfrega?os. Analisou-se os dados (m?dias e desvios padr?o) pelo Teste t com 95% de probabilidade (p<0,05) utilizando-se correla??o de Pearson para testar a rela??o entre a contagem de plaquetas e hem?cias, plaquetas e leuc?citos e leuc?citos em rela??o as hem?cias. Houve correla??o negativa muito fraca entre plaquetas e leuc?citos (?= -0,03), negativa fraca entre plaquetas e hem?cias (?= -0,3) e correla??o positiva forte entre leuc?citos e hem?cias (?=0,75). Embora o protocolo B n?o tenha alcan?ando a m?dia um milh?o de plaquetas desejado (979300 ? 79631 c?lulas/?L), ambos os protocolos, A e B (4,42 ? 1,61 e 3,85 ? 1,55 vezes mais plaquetas que o sangue total, respectivamente) (p<0,05) foram eficientes em concentrar plaquetas. Os prolongamentos citoplasm?ticos evidenciando ativa??o plaquet?ria estiveram presentes em 26,55 ? 6,72 % das plaquetas do protocolo A e 26,25 ? 7,03 % nas do protocolo B (p>0,05). PA e PB apresentaram reduzido n?mero de hem?cias (p>0,05) consideradas contaminantes das amostras e, quanto a quantidade de leuc?citos, o protocolo A apresentou mais gl?bulos brancos (p<0,05) que o protocolo B com maiores concentra??es de bas?filos, segmentados e linf?citos.

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-10-02T17:59:10Z No. of bitstreams: 1 2013 - Janne Paula Neres de Barros.pdf: 1470590 bytes, checksum: 26bc151026960dcebea410aabf092779 (MD5) / Made available in DSpace on 2018-10-02T17:59:10Z (GMT). No. of bitstreams: 1 2013 - Janne Paula Neres de Barros.pdf: 1470590 bytes, checksum: 26bc151026960dcebea410aabf092779 (MD5) Previous issue date: 2013-03-04 / CAPES / The use of oxytocin (OT) during milking crossbred cows, replacing the calf became common and many properties in the OT is used in virtually all cows "to facilitate milk letdown and increase production" without any criteria technician. Thus, it was evaluated in Experiment 1: behavior, production and metabolic indicators and stress in cows milked twice daily without the presence of the calf, in properties where OT is applied at the beginning and middle of milking all animals. We assessed eight cows in four treatments and eight replications. The treatments were established based on the form of application of the OT in the property (3 mL or 0.3 IU intravenously at the beginning and middle of each milking) and how to control the physiological solution (PS). The milk yield (L) and the residual milk were evaluated every three days. The animals were subjected to visual observation beginning and end of milking to evaluate performance. Blood samples were collected at the beginning and end of each treatment to determine the levels of cortisol, glucose, cholesterol, triglycerides, albumin and urea, and serum activity of AST. As the volume of milk collected using two doses of OT (beginning and middle of milking) was equivalent to OT at the middle of milking. The application of SF in the two periods resulted in lower volume of milk collected. It can be shown that milk production is influenced by exogenous OT with the possibility of addiction. The residual milk was lower in the treatment OT / OT with a significant difference (p ? 0.01) compared to SF / SF and OT / SF. Reactivity was observed in the treatment OT / OT and more frequent at the time of application of OT and / or SF, which suggests discomfort and stress associated with this process. Cortisol was elevated in all treatments and no significant difference (p ? 0.05), being higher in the treatment with OT / SF and OT / OT. In Experiment 2 we sought to assess weight gain, behavior through the levels of cortisol and metabolic indicators of 12 heifers (? to ? Red Angus x Zebu) in two daily treatments: 20 IU / day, intramuscular (n = 6 ) dosage used for the residual milk, and 2 ml of 0.85% SF intramuscular. The weight gain was low in both groups with no significant difference with or without use of OT. Serum cortisol in both treatments and at all times has been high, however, there was a significant difference between groups at week 4 indicating the modulating effect of OT in the neuroendocrine response to stress Of the biochemical parameters in both experiments, aside from heifers treated with OT that where significant difference from week 3 compared with other levels of cholesterol, other parameters showed no significant difference between treatments. Further studies should be conducted to gain a better understanding of how the OT works on the metabolism of ruminants. / O uso de ocitocina (OT) durante a ordenha de vacas mesti?as, em substitui??o ao bezerro tornou-se comum e em muitas propriedades a OT ? utilizada praticamente em todas as vacas ?para facilitar a descida do leite e aumentar a produ??o? sem nenhum crit?rio t?cnico. Assim, objetivou-se avaliar no Experimento 1: o comportamento, a produ??o e os indicadores metab?licos e de estresse em vacas com duas ordenhas di?rias, sem a presen?a do bezerro, em propriedades nas quais a OT ? aplicada no in?cio e no meio da ordenha de todos os animais. Foram avaliadas oito vacas em quatro tratamentos e oito repeti??es. Os tratamentos foram institu?dos com base na forma de aplica??o da OT na propriedade (0,3 mL ou 3 UI, intravenosa no in?cio e no meio de cada ordenha) e como controle a solu??o fisiologia (SF). A produ??o de leite (litros) e o leite residual foram avaliados em intervalos de tr?s dias. Os animais foram submetidos ? observa??o visual in?cio e fim da ordenha para a avalia??o do comportamento. Amostras de sangue foram coletadas no in?cio e final de cada tratamento para determina??o dos n?veis de cortisol, glicose, colesterol, triglic?rides, albumina e ureia, al?m da atividade s?rica da AST. Quanto ao volume de leite coletado a utiliza??o de duas doses de OT (in?cio e meio da ordenha) foi equivalente ? OT somente no meio da ordenha. A aplica??o de SF nos dois momentos resultou em menor volume de leite coletado. Isso pode demonstrar que a produ??o de leite ? influenciada pela OT ex?gena com possibilidade de depend?ncia. O leite residual foi menor no tratamento OT/OT com diferen?a significativa (p?0,01) em rela??o ao SF/SF e OT/SF. Reatividade foi mais observada no tratamento OT/OT e mais frequente no momento da aplica??o da OT e/ou SF, o que sugere desconforto e estresse associado a este processo. O cortisol foi elevado em todos os tratamentos e sem diferen?a significativa (p?0,05), sendo mais elevados nos tratamento com OT/SF e OT/OT. No Experimento 2 buscou-se avaliar o ganho de peso, o comportamento atrav?s dos n?veis de cortisol e os indicadores metab?licos de 12 novilhas (? a ? Zebu x Red Angus) em dois tratamentos di?rios: 20 UI/dia, intramuscular (n=6), dosagem utilizada para obter o leite residual, e 2 mL de SF 0,85%, intramuscular. O ganho de peso foi baixo em ambos os grupos sem diferen?a significativa com o uso ou n?o de OT. O cortisol s?rico em ambos os tratamentos e em todos os momentos foi elevado, no entanto, observou-se uma diferen?a significativa entre os grupos na semana 4 indicando o efeito modulador da OT na resposta neuroend?crina ao estresse Dos par?metros bioqu?micos avaliados em ambos os experimentos, com exce??o das novilhas tratadas com OT que onde houve diferen?a significativa da semana 3 em rela??o as demais nos n?veis de colesterol, os demais par?metros n?o apresentaram diferen?a significativa entre tratamentos. Novos estudos devem ser conduzidos para obter uma melhor compreens?o de como a OT atua no metabolismo de ruminantes

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-01T21:10:55Z No. of bitstreams: 1 LedjaLorenaFerreiraDaCruzMadeiro_DISSERT.pdf: 1388947 bytes, checksum: 0c8746e8be965e4b15a387e2b56f613a (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-05T19:09:11Z (GMT) No. of bitstreams: 1 LedjaLorenaFerreiraDaCruzMadeiro_DISSERT.pdf: 1388947 bytes, checksum: 0c8746e8be965e4b15a387e2b56f613a (MD5) / Made available in DSpace on 2017-12-05T19:09:12Z (GMT). No. of bitstreams: 1 LedjaLorenaFerreiraDaCruzMadeiro_DISSERT.pdf: 1388947 bytes, checksum: 0c8746e8be965e4b15a387e2b56f613a (MD5) Previous issue date: 2017-07-28 / O presente trabalho analisa as Cr?nicas de Origem, de C?mara Cascudo, livro organizado pelo professor da Universidade Federal do Rio Grande do Norte, Raimundo Arrais, que tem como objeto de estudo a cidade de Natal nas cr?nicas cascudianas dos anos 20. A pesquisa tem por objetivo geral analisar a mem?ria individual e a mem?ria coletiva no conjunto de cr?nicas que Lu?s da C?mara Cascudo publicou na imprensa da cidade de Natal ao longo da d?cada de 20 do s?culo passado, visando mostrar a relev?ncia dessa obra de Cascudo n?o s? para Natal e para o Rio Grande do Norte, mas tamb?m para diversos pa?ses e de examinar a rela??o que Cascudo tinha com os seus conterr?neos, que se tornava singular gra?as as afinidades permitidas pelas mem?rias comuns aos interlocutores. Nessa dire??o, para a an?lise espec?fica da representa??o da mem?ria individual e da mem?ria coletiva nas cr?nicas em estudo, temos como aporte te?rico as sistematiza??es do pensamento cr?tico de Halbwachs (2006), Bosi (1976), Le Goff (1996). No que diz respeito ?s quest?es acerca da Tradi??o, tomamos como fundamenta??o o pensamento de Borheim (1987), de Santiago (2002) e de Benjamim (2012). Sobre a autofic??o, recorremos ?s discuss?es de Lejeune (2008). O trabalho n?o ? baseado apenas nesses autores, por?m eles s?o a ?ncora que fundamenta, no geral, toda a pesquisa. Interessa-nos perceber como as mem?rias individuais e as mem?rias sociais se articulam entre si, considerando que a literatura combina e cria a realidade. / The present masters dissertation analyzes ?Cr?nicas de Origem?, from C?mara Cascudo, book organized by Raimundo Arrais, Federal University of Rio Grande do Norte professor, which has as study object Natal City in Cascudo?s Chronicles at 20s. The research has as general ob-jective to analyze the individual and collective memory inside Lu?s da C?mara Cascudo Chronicles published in Natal Town Press throughout the 20 decade at the last century, aim-ing to show the Cascudo?s research relevance not only for Natal and Rio Grande do Norte, but also for various countries and examine the relationship Cascudo had with their countrymen, which became singular because of allowed affinities by common memories from informants. In this direction, for the individual and collective memory representation specific analysis in the Chronicles, we have as theoretical supply the systematizations of critical thinking from Halbwachs (2006), Bosi (1976) and Le Goff (1996). With regard to tradition questions, we support as justification Borheim (1987), Santiago (2002) and Benjamin (2012) thoughts. About autofiction, we resort to Lejeune (2008) discussions. The dissertation is not based just on these authors, however they are the basis, in General, for all the research. We are interested in understanding how the individual and social memories fit together with each other, whereas the literature combines and creates the reality.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-02T00:39:01Z No. of bitstreams: 1 EduardoAlexandreSantosDeMenezes_DISSERT.pdf: 3118703 bytes, checksum: f207d47849b604d3418533d85348bd7e (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-06T20:37:45Z (GMT) No. of bitstreams: 1 EduardoAlexandreSantosDeMenezes_DISSERT.pdf: 3118703 bytes, checksum: f207d47849b604d3418533d85348bd7e (MD5) / Made available in DSpace on 2017-12-06T20:37:45Z (GMT). No. of bitstreams: 1 EduardoAlexandreSantosDeMenezes_DISSERT.pdf: 3118703 bytes, checksum: f207d47849b604d3418533d85348bd7e (MD5) Previous issue date: 2017-08-18 / A regi?o s?smica estudada se localiza no munic?pio de Irau?uba, Cear? (CE), localizado na Prov?ncia Borborema, sendo uma das regi?es mais sismicamente ativas do Brasil. A atividade s?smica do Nordeste do Brasil ? bastante observada devido a muitos eventos que ocorreram na regi?o por v?rios anos, com repeti??es em algumas ?reas, que s?o conhecidas como ?reas ativas. Muitos destes eventos s?o percebidos pelas popula??es das ?reas onde ocorrem, pois apesar deles n?o atingirem grandes magnitudes, chegam a assustar a popula??o. Em alguns casos at? acarretam pequenos danos em casas, tais como pequenas trincas nas paredes e deslocamento de telhas. Um desses exemplos desta atividade s?smica ? a que ocorre na cidade de Irau?uba, localizada na por??o Noroeste do estado do Cear?, a 175 km de sua capital, Fortaleza. A atividade s?smica em Irau?uba ? conhecida e estudada desde 1991, onde ocorreram v?rios tremores ao sul, na localidade de Ju?, distrito de Irau?uba. Nesta regi?o, o maior tremor atingiu 4,9 mb, s? superada no Cear? pelo tremor de Pacajus de 1980 (5.2 mb). Uma nova intensa atividade s?smica iniciou-se em 9 de setembro de 2015, e perdurou at? o in?cio de mar?o de 2016, quando foram registrados mais de 500 tremores. Desta vez, o maior de intensidade observada foi de IV (MM), com a magnitude m?xima observada de 3,8 mb. Este trabalho ? decorrente da an?lise dos dados coletados na campanha realizada no per?odo de setembro de 2015 at? o in?cio de mar?o de 2016. Nesta campanha, foram utilizadas sete esta??es sismogr?ficas digitais, sendo seis compostas por aceler?grafos a tr?s componentes e uma esta??o, com um conjunto de tr?s sism?metros de per?odo curto (um vertical e dois horizontais). Os dados registrados por elas foram analisados, objetivando a determina??o de hipocentros e dos mecanismos focais. Foram analisados 294 eventos s?smicos, registrados em pelo menos quatro esta??es, utilizando o programa COMPASS. Na determina??o hipocentral, foi utilizado o programa HYPO71, utilizando-se um modelo de semiespa?o, com os seguintes par?metros: velocidade de onda P (Vp) de 6,20 km/s e raz?o Vp/Vs de 1.69. Todos os eventos detectados em pelo menos quatro esta??es, com res?duo de tempo menor que 0,01 s e erros horizontais e verticais menores que 0,01 km, num total de 69 eventos, possuem um alinhamento N-NW e revelam uma zona ativa de aproximadamente 2 km de extens?o e profundidade variando de 8 a 9 km. Dentre os 69 eventos selecionados foram escolhidos 22 mais bem localizados para determina??o do plano de falha a partir dos hipocentros, obtendo-se os valores do mecanismo focal composto, realizado com aux?lio do programa FPFIT. Os par?metros da falha sismog?nica foram obtidos pela combina??o do m?todo dos m?nimos quadrados e do programa FPFIT (dire??o = 45?, mergulho = 52? e o rejeito total = -151?), confirmando a orienta??o da falha na dire??o NNW-SSE, com movimento normal. Os epicentros e o mecanismo focal n?o parecem indicar que haja correla??o com estruturas mapeadas at? agora em superf?cie. / The studied region is located in the municipality of Irau?uba, Cear?, in the Borborema Province and it is one of the most active seismic regions of Brazil. The seismic activity of the Northeast of Brazil is well observed by several events that have occurred in the region for many years, with repetitions in some areas that are known as active areas. Many of these events are perceived by population of the areas where they occur, because even if these events do not reach great magnitudes, they may frighten natives. In some cases, they even cause small damages in houses such as small cracks in the walls and displacement of tiles. One example of this kind of seismic activity is the one that occurs in the Irau?uba city, located in the northwestern portion of the Cear? state, 175 km from its capital, Fortaleza. The seismic activity in Irau?uba is known and studied since 1991, when several tremors occurred in the south, in the Ju? city, district of Irau?uba. In this region, the biggest tremor reached 4.9 mb of magnitude, surpassed only in Cear? by the tremor in Pacajus in 1980 (5.2 mb). A new intense seismic activity began in September 9, 2015, and it lasted until the beginning of March, 2016, when more than 500 tremors were registered, but this time the highest intensity IV (MM) was observed, with maximum observed magnitude of 3.8 Mb for this period. This master thesis deals with the analysis of collected data in the performed campaign in the period from October, 2015 to the beginning of March, 2016. In this campaign, seven digital seismographic stations were used, of which six were composed of accelerometers in three components, and one was composed of a set of three short period seismometers (one vertical and two horizontal). The data recorded by these stations were analyzed, with the objective of the determination of hypocenters and focal mechanisms. 294 seismic events were analyzed, recorded by at least four stations, using the Compass software. In the determination, the HYPO71 software was used to determine the hypocenters, using a semi-space model with the following parameters: P wave velocity (Vp) of 6.20 km/s and Vp/Vs ratio of 1.69. All events were detected at least by four stations, with time residue less than 0.01 s and horizontal and vertical errors less than 0.1 km. A total of 69 events have a N-NW alignment and revealed an active zone of approximately 2 km of extension and depth varying from 8 to 9 km. For a set of 23 tremors more well located, a fault plan was determined from the hypocenters, and values of a composite focal mechanism were obtained, performed with the aid of the FPFIT software. It was done for a set of data, fixing the fault plan. The parameters of the seismogenic fault were obtained by the combination of the least squares method and the FPFIT software (strike = 45?, dip = 52? e o rake = -151?), confirming the orientation of the fault in the direction N-NW, with normal movement. The epicenters and the focal mechanism do not seem to indicate that there is correlation with so far mapped structures in surface.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-04T21:23:19Z No. of bitstreams: 1 ArianeDoNascimentoMendes_DISSERT.pdf: 1882940 bytes, checksum: f9506363f4cefaae477e93382af75348 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-09T00:34:11Z (GMT) No. of bitstreams: 1 ArianeDoNascimentoMendes_DISSERT.pdf: 1882940 bytes, checksum: f9506363f4cefaae477e93382af75348 (MD5) / Made available in DSpace on 2017-12-09T00:34:11Z (GMT). No. of bitstreams: 1 ArianeDoNascimentoMendes_DISSERT.pdf: 1882940 bytes, checksum: f9506363f4cefaae477e93382af75348 (MD5) Previous issue date: 2017-04-18 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / O objetivo desta pesquisa foi investigar a experi?ncia est?tica em Dan?a Contempor?nea a partir de obras constru?das com movimentos n?o-representativos, considerando que sua dramaturgia prima por ser n?o-linear, e sua constru??o se d? atrav?s da materialidade do movimento e do corpo, pela sua investiga??o. Assim, discutimos sobre como acontecem as experi?ncias est?ticas a partir de entrevistas com apreciadores das obras coreogr?ficas escolhidas para compor a pesquisa, al?m do referencial te?rico sobre Dan?a Contempor?nea e sua dramaturgia com autores como Laurence Louppe, Patr?cia Leal, Rosa Hercoles, Paulo Caldas, Ana Carolina Mundim, entre outros. A pesquisa foi conduzida pela metodologia qualitativa, de car?ter participante, e se caracteriza ainda em um estudo de caso, tendo como objeto norteador a dramaturgia e a experi?ncia est?tica do espet?culo ?Ego? (2015) do Grupo de Dan?a da UFRN, e do espet?culo ?ESCrito Absurdo? (2016) dos criadores Vladimir Rodriguez (Col?mbia) e Omar Carrum (M?xico). Tamb?m buscamos informa??es com Diana Fontes, coordenadora geral do Encontro de Dan?a de Natal/RN, por ser um evento que lida diretamente com apresenta??es e, portanto, com experi?ncias est?ticas em Dan?a Contempor?nea de diversas vertentes. Assim, fizemos recolhimento de material bibliogr?fico atrav?s das entrevistas realizadas com os artistas e apreciadores dos espet?culos supracitados. Al?m dos depoimentos recolhidos dos apreciadores do trabalho coreogr?fico ?Nuance?, que foi constru?do para experimentar a constru??o de dramaturgia apenas com o movimento n?o-representativo e a possibilidade de uma obra coreogr?fica ser atividade de media??o de si mesma, bem como atividade de forma??o de p?blico. A relev?ncia da pesquisa se d? pela contribui??o para as discuss?es sobre p?blico e experi?ncias est?ticas em Dan?a Contempor?nea, pois ainda h? poucos estudos registrados no Brasil, e mais especificamente em Natal/RN sobre este tema. / The objective of this research was to investigate the aesthetic experience in Contemporary Dance from works built with non-representative movements, considering that its dramaturgy is nonlinear, and its construction takes place through the materiality of movement and body, through its investigation. Like this, we discussed about how happen the aesthetic experiences starting from interviews with connoisseurs of the choreographic works chosen to compose the research, beyond the theoretical reference about Contemporary Dance and its dramaturgy with authors like Laurence Louppe, Patr?cia Leal, Rosa Hercoles, Paulo Caldas, Ana Carolina Mundim, among others. The research was conducted by the qualitative methodology, of participant character, and was characterized still in a case study, having as a guiding object the aesthetic experience of the spectacle ?Ego? (2015) of the Grupo de Dan?a da UFRN, and of the spectacle ?ESCrito Absurdo? (2016) of the creators Vladimir Rodriguez (Colombia) and Omar Carrum (Mexico). We also sought information with Diana Fontes, general coordinator of the Encontro de Dan?a de Natal/RN, as it is an event that deals directly with presentations and, therefore, with aesthetic experiences in Contemporary Dance from various perspectives. Like this, we collected bibliographical material in field research, produced through interviews with the artists and connoisseur of the two spectacles above mentioned. Beyond the testimonials collected from the connoisseur of the choreographic work ?Nuance?, which was built for to experience the construction of dramaturgy with only the non-representative movement and the possibility of a choreographic work as an activity of mediation of itself, as well as to be activity of formation of public. The relevance of the research is given by the contribution to the discussions about audiences and aesthetic experience in Contemporary Dance, because still there are few studies registered in Brazil, and more specifically in Natal/RN about this subject.

Made available in DSpace on 2014-12-17T14:07:08Z (GMT). No. of bitstreams: 1 WagnerLT_TESE.pdf: 4295737 bytes, checksum: feb949970c7901b7da571339c28198a9 (MD5) Previous issue date: 2012-02-29 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico / Ceramic filters are cellular structures that can be produced by various techniques, among which we highlight the replication method, or method of polymeric sponge. This method consists of impregnating polymeric foam with ceramic slurry, followed by heat treatment, where will occur decomposition of organic material and the sinter of the ceramic material, resulting in a ceramic whose structure is a replica of the impregnated sponge. Ceramic filters have specific properties that make this type of material very versatile, used in various technological applications such as filters for molten metals and burners, make these materials attractive candidates for high temperature applications. In this work we studied the systems Al2O3-LZSA ceramic filters processed in the laboratory, and commercial Al2O3-SiC ceramics filters, both obtained by the replica method, this work proposes the thermal and mechanical characterization. The sponge used in the processing of filters made in the laboratory was characterized by thermogravimetric analysis. The ceramic filters were characterized by compressive strength, flexural strength at high temperatures, thermal shock, permeability and physical characterization (density and porosity) and microstructural (MEV and X-rays). From the results obtained, the analysis was made of the mechanical behavior of these materials, comparing the model proposed by Gibson and Ashby model and modified the effective area and the tension adjusted, where the modified model adapted itself better to the experimental results, representing better the mechanical behavior of ceramic filters obtained by the replica method / Filtros cer?micos processados pelo m?todo da r?plica tem sido objeto de crescentes pesquisas pela versatilidade da t?cnica. O m?todo consiste na impregna??o de uma esponja polim?rica em uma suspens?o cer?mica, seguido de tratamento t?rmico, onde ocorre a decomposi??o do material org?nico e a sinteriza??o do material cer?mico, resultando em um corpo cer?mico, cuja estrutura macrosc?pica ? uma r?plica da esponja impregnada. Filtros cer?micos possuem propriedades especificas que os tornam muito vers?teis, com diferentes aplica??es tecnol?gicas, tais como filtros para metais fundidos e queimadores, tornando esses materiais fortes candidatos para aplica??es ?s altas temperaturas. Neste trabalho foram estudados e desenvolvidos filtros cer?micos dos sistemas Al2O3-LZSA processados em laborat?rio, e de Al2O3-SiC comerciais, ambos obtidos pelo m?todo da r?plica, e caracterizados t?rmica e mec?nicamente. A esponja utilizada no processamento dos filtros feitos em laborat?rio foi caracterizada atrav?s de an?lises t?rmicas (ATG e DrATG). Os filtros cer?micos foram caracterizados mediante an?lises de resist?ncia a compress?o, resist?ncia ? flex?o a altas temperaturas, choque t?rmico, permeabilidade e caracteriza??o f?sica (densidade e porosidade), e microestrutural (MEV e raios X). A partir dos resultados obtidos, foi feita a an?lise do comportamento mec?nico desses materiais, comparando-se o modelo proposto por de Gibson e Ashby e o modelo modificado com a ?rea efetiva e a tens?o corrigida, onde o modelo modificado se adequou melhor aos resultados experimentais, representando melhor o comportamento mec?nico dos filtros cer?micos obtidos pelo m?todo da r?plica

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-08-16T22:35:51Z No. of bitstreams: 1 LuizFelipeFerreiraDaRocha_DISSERT.pdf: 2842770 bytes, checksum: 92e50a06df85e11f2e7ef61ded46b454 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-23T22:38:36Z (GMT) No. of bitstreams: 1 LuizFelipeFerreiraDaRocha_DISSERT.pdf: 2842770 bytes, checksum: 92e50a06df85e11f2e7ef61ded46b454 (MD5) / Made available in DSpace on 2016-08-23T22:38:36Z (GMT). No. of bitstreams: 1 LuizFelipeFerreiraDaRocha_DISSERT.pdf: 2842770 bytes, checksum: 92e50a06df85e11f2e7ef61ded46b454 (MD5) Previous issue date: 2015-03-20 / Neste estudo dissertativo refletimos sobre a dimens?o sens?vel do corpo, que nos possibilita participar do espa?o m?tico e constitu?-lo como espa?o potencial para a cria??o art?stica em dan?a, experi?ncia atribuidora de sentidos ao mundo, ? vida, ? exist?ncia. Trata-se de um escrito que debulha algumas reflex?es acerca da condi??o humana a partir de um olhar lan?ado sobre o mito de Ad?o, excitando-nos a pensar sobre as poss?veis rela??es entre a arte e o mito na contemporaneidade, como campos do saber abertos ? cria??o, como espa?os sem?nticos capazes de atribuir novos sentidos ao vivido por meio das pulsa??es de um corpo que ? mito e que ? dan?a. Esse estudo tem dentre seus objetivos a inten??o de aventurar um olhar sobre o referido mito, possibilitando-nos novas leituras, significados, e compreens?es do mesmo a partir da experi?ncia e viv?ncia num processo de cria??o em dan?a contempor?nea. Para tanto, referencia-se metodologicamente na Fenomenologia, ou melhor, na atitude fenomenol?gica proposta por Merleau-Ponty (1994), que considera a experi?ncia vivida do corpo como fonte primordial de conhecimento. Debru?amo-nos assim sobre esse processo de cria??o em dan?a contempor?nea, que veio a originar uma obra art?stico-coreogr?fica, ? qual intitulamos de ?A Carne que Sou?, e nos colocando em contempla??o dessa dan?a que ecoa do mist?rio, que emerge das profundezas do corpo, e que traz ? superf?cie o humano e o seu mundo, suas rela??es. Compreendemos aqui, portanto, a dan?a como nossa sens?vel guia e orientadora de reflex?es de ordem ontol?gica e epistemol?gica, capaz de validar e perpetuar o mito enquanto heran?a de sabedoria ancestral. / In this dissertation we reflect about sensitive the dimension of the body, which enables us to participate in mythical space and set him as a potential space for artistic creation in dance, experience provider in senses for world, for life and for existence. It?s a written, thrashing some reflections on the human condition from a gaze cast upon the myth of Adam, leading us to think about the possible relationships between art and myth in contemporary times, as fields of knowledge open to creation, and semantic spaces able to assign new meanings to living through the pulsations of a body that is myth and what is dance. One of the goals of this study is set up a new point of view to analyze the Adam's myth, enabling to new interpretations, meanings and understandings from the experience in the process of creation in contemporary dance. Therefore, methodologically reference is made in the Phenomenology, or rather the phenomenological attitude proposed by Merleau-Ponty (1994), which considers the experience of the body as the primary source of knowledge. Dipping on this process of creation in contemporary dance, one artistic and choreographic work was originated, titled "The Body I am?, in contemplation of this dance that echoes the mystery, that emerges from the depths of the body, and it brings to the human surface and your world, your relationships. Realize that dance is as a sensitive guide and counselor reflections ontological and epistemological, able to validate and perpetuate the myth whereas ancestral wisdom inheritance.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-08-16T22:35:51Z No. of bitstreams: 1 MirtthyaMarkLucenaGuimaraes_DISSERT.pdf: 3964140 bytes, checksum: b394c9f844e7281be611aa62cc19e585 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-23T22:49:55Z (GMT) No. of bitstreams: 1 MirtthyaMarkLucenaGuimaraes_DISSERT.pdf: 3964140 bytes, checksum: b394c9f844e7281be611aa62cc19e585 (MD5) / Made available in DSpace on 2016-08-23T22:49:56Z (GMT). No. of bitstreams: 1 MirtthyaMarkLucenaGuimaraes_DISSERT.pdf: 3964140 bytes, checksum: b394c9f844e7281be611aa62cc19e585 (MD5) Previous issue date: 2015-03-19 / Este trabalho investigou o processo de prepara??o corporal\vocal\energ?tico do ator para a rua, desenvolvido no Grupo de Teatro Quem Tem Boca ? Pra Gritar. Nossa principal busca foi entender os processos que o ator percorre para desenvolver uma energia para cena na rua. Que energia ? esta que se estabelece e se relaciona com os transeuntes\espectadores? O que ser? que chama aten??o do transeunte\espectador? Ser? a hist?ria? A indument?ria ou ser? uma expressividade potencializada? Ser? uma energia presente no corpo do ator que se relaciona com o transeunte? Como o ator se relaciona com o espa?o urbano? Na tentativa de responder tais questionamentos, utilizamos alguns princ?pios da F?sica Moderna, como: Teoria Qu?ntica e Princ?pio da Incerteza, al?m da Teoria do Caos. O teatro realizado nas ruas, em sua maioria, passa por longos processos de constru??o c?nica, contudo, quando levado ao p?blico, ? tomado por outras causalidades, pois estando na rua o ator se torna sujeito daquele espa?o, n?o podendo negar a eventualidade dos fatos que ali podem ocorrer. Segundo a f?sica qu?ntica a energia se propaga em um espa?o vazio, a quantidade de energia f?sica sendo trocada no espa?o da rua, resulta no m?gico momento em que os corpos dos atores, em constantes trocas com os espectadores, permitem acontecer o salto qu?ntico[1]: o espet?culo teatral de rua. [1] Utilizo este termo aqui como uma met?fora, no qual salto qu?ntico diz respeito ao el?tron que recebe uma grande quantidade de energia e salta para os n?veis mais afastados do n?cleo. / Ce travail a recherch? sur le processus de pr?paration corporel\vocal\?nergique de l?acteur pour la rue. Notre qu?te principale c?est comprendre les processus qui l'acteur se d?place afin de d?velopper une ?nergie ? la sc?ne dans la rue. C'est cette ?nergie qui est mis en place et se rapporte ? le passant\spectateur? Qui attire l'attention de passant\spectateur? Serai l'histoire? Le code vestimentaire ou ?tre une expressivit? dynamis?e? Serai une ?nergie pr?sente dans le corps de l'acteur qui se relacione avec les passants? Comme l'acteur se rapporte ? l'espace urbain? Pour tenter de r?pondre ? ces questions, nous allons utilis? certains principes de la physique moderne, tels comme: la Th?orie Quantique et le Principe d'Incertitude, autan la Th?orie du Chaos. Le th??tre jou?e dans les rues, surtout par le biais de longs prolongements de construction sc?nique, cependant, lorsque pr?sent?e au public, est prise par les autres causalit?s, car ?tant situ? sur la rue, l'acteur devient assujettie ? cet espace et ne peut pas nier la possibilit? des faits qui peuvent se produire. Selon la physique quantique l'?nergie se propage dans un espace vide, la quantit? d'?nergie physique ?tant ?chang? dans la rue, ce qui entra?ne le moment magique o? les corps des acteurs, des ?changes constants avec les spectateurs, en permettant le saut quantique: le spectacle th??tral de la rue.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-10-11T20:53:57Z No. of bitstreams: 1 SistanleyJonesLimaBispo_TESE.pdf: 3279866 bytes, checksum: 4e4c98181eb5b9e3145660daab8debff (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-10-14T20:57:44Z (GMT) No. of bitstreams: 1 SistanleyJonesLimaBispo_TESE.pdf: 3279866 bytes, checksum: 4e4c98181eb5b9e3145660daab8debff (MD5) / Made available in DSpace on 2016-10-14T20:57:44Z (GMT). No. of bitstreams: 1 SistanleyJonesLimaBispo_TESE.pdf: 3279866 bytes, checksum: 4e4c98181eb5b9e3145660daab8debff (MD5) Previous issue date: 2016-06-03 / Esta pesquisa apresenta uma abordagem a cerca do processo de reciclagem do polipropileno refor?ado com fibras de curau? reprocessado. Sendo uma proposta alternativa de refor?o aos comp?sitos polim?ricos. Teores de fibras de 0%, 10%, 20% e 30% foram analisados para verifica??o de suas propriedades mec?nicas comparando-as, inclusive com as propriedades do polipropileno (PP). Os biocomp?sitos granulados foram preparados em uma extrusora. Os corpos de prova foram moldados por processo de inje??o e submetidos aos ensaios mec?nicos de tra??o uniaxial, flex?o em tr?s pontos e impacto. Para verifica??o de danos aos corpos de prova utilizou-se da an?lise por microscopia eletr?nica de varredura (MEV). Estes biocomp?sitos tamb?m foram submetidos a ensaios f?sico - qu?micos de ?ndice de fluidez (IF). Observou-se que os biocomp?sitos de polipropileno com 30% de fibras de curau? apresentaram maior m?dulo de elasticidade e menor resist?ncia ao impacto. Para todos os biocomp?sitos, os valores encontrados nos ensaios de tra??o para os limites de escoamento e tens?o de ruptura n?o sofreram altera??es ? medida que se adicionavam as fibras. Outros pontos relevantes foram o aumento da resist?ncia ? flex?o, a redu??o da degrada??o t?rmica das misturas polipropileno e fibras de curau?, e o n?o comprometimento de uma forma em geral, da fabrica??o dos biocomp?sitos, quando analisados por microscopia eletr?nica de varredura. / This research presents an approach about the polypropylene recycling process reinforced with curau? reprocessed fibers. As an alternative proposal reinforcement to polymeric composites. Levels of 10 %, 20 % and 30 % of fibers in the biocomposites were analyzed to check their mechanical properties comparing them, even with the properties of polypropylene (PP). Pellets biocomposites were prepared by the extrusion process, and the specimens were manufactured by injection process and subjected to mechanical tests of uniaxial tensile, three point bending and impact. To check for damage to the specimens was used to analysis by scanning electron microscopy (SEM). These biocomposites were also subjected to testing physical ? chemistry of index of fluidity (IF). It was observed that the polypropylene biocomposites with 30 % curau? fibers showed higher elastic modulus for both traction and to flexion and less resistance to impact. For all biocomposites, the values found in tensile tests to the limits of flow and maximum voltage have approximate values as they were added the curau? fibers. Another important point was increased resistance to bending in biocomposite as promoting the addition of curau? fibers and decrease as they were reprocessed also decreased thermal degradation of the polypropylene blends and curau? fibers, and no impairment of so in general, the production of biocomposites, when analyzed by scanning electron microscopy.