Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2016-08-23T17:05:27Z No. of bitstreams: 1 2011 - Michele Valadares Deveza.pdf: 2385296 bytes, checksum: 127bd8c33d0595f06af98fe22cfc21e1 (MD5) / Made available in DSpace on 2016-08-23T17:05:27Z (GMT). No. of bitstreams: 1 2011 - Michele Valadares Deveza.pdf: 2385296 bytes, checksum: 127bd8c33d0595f06af98fe22cfc21e1 (MD5) Previous issue date: 2011-02-08 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / The bee?s pollen is a product rich in essential nutrients to feed the bees. In the hive it goes through chemical processes and becomes the bee?s bread, of extreme importance for the growth of larvae. Currently, the use of pollen in the human?s cuisine has been increasing for its therapeutic properties, and by its use in the food industry. To produce quality pollen the hive needs to be healthy, and bees, like any other animal, are susceptible to various diseases, parasites and predators, which can affect their development and productivity. The The Brazilian Sac Brood (BSB) is one of these diseases, which in Brazil affects honeybee larvae. In apiaries of Rio de Janeiro state, a high mortality of larvae with symptoms similar to the BSB is occurring, and until now, there is no definite conclusion regarding the etiologic agent of this disease in the state. Therefore, the objectives of this study was to clarify two issues: 1) provide a mycological research, through a study case, of bees? bread samples, adult bees and bees? pollen in areas affected and not affected by the BSB, aiming the elucidation of its etiologic agent, 2) verify the hygienic quality of dehydrated pollen samples sold in Rio de Janeiro state. A total of 48 samples of bees? bread, 15 of adult bees and 12 of pollen were collected from endemic regions of the BSB. The samples were collected in the months before, during and after the period of the disease. The dehydrated pollen samples were also purchased in commercial stores of the state, totaling 27 samples. Fungal species enumeration (cfu g-1) was through decimal dilution method using general culture media and selective ones. The isolation frequency and relative density of species were determined. The toxigenic profile of strains was determined, as also the detection and quantification of aflatoxin B1 in bread and bees? pollen. The results obtained from the study case samples showed that the bees? bread was the best vehicle of contamination for the hive. It was also observed a high fungal counts and the presence of mycotoxins and entomopathogenic fungi such as Aspergillus flavus, A. niger aggregate and A. fumigatus, which cause a decrease of the immune response, leaving them susceptible to various diseases, including the BSB itself. Pollen dehydrated samples showed a high fungal contamination with 92% of the samples in unsatisfactory hygienic conditions according to legal standards. A total of 25% of the A. flavus strains showed to be aflatoxigenic. The high percentage of unhygienic samples combined with the presence of a large variety of fungal contaminants, including mycotoxin-producing species, evidences that the legislation needs to be updated so that it can be safely commercialized. It is considered that the whole line production of bees? pollen, since its extraction until its storage should be monitored in order to minimize risks to human health. / O p?len ? um produto ap?cola rico em nutrientes essenciais para a alimenta??o das abelhas. Na colmeia ele passa por processos qu?micos e se torna o p?o de abelhas, de extrema import?ncia para o crescimento das larvas. Atualmente, o p?len ap?cola vem se destacando tamb?m na alimenta??o humana, tanto por suas propriedades terap?uticas, quanto pela sua utiliza??o na ind?stria aliment?cia. Para a produ??o de um p?len de qualidade a colmeia precisa estar sadia, e as abelhas, como qualquer outro animal, s?o suscept?veis a v?rias doen?as, parasitas e predadores, que podem prejudicar seu desenvolvimento e produtividade. A Cria Ensacada Brasileira (CEB) ? uma dessas doen?as, que no Brasil acomete larvas de abelhas mel?feras. Em api?rios do estado do Rio de Janeiro v?m ocorrendo uma alta mortalidade de larvas com sintomatologia semelhante a da CEB, e ainda n?o h? uma conclus?o definitiva acerca do agente etiol?gico desta doen?a no estado. Portanto, os objetivos desse estudo visam esclarecer duas problem?ticas: 1) avaliar, atrav?s de estudo de caso, amostras de p?o de abelhas, abelhas adultas e p?len ap?cola em regi?es atingidas e n?o atingidas pela CEB, diagnosticando a presen?a de fungos, visando fornecer informa??es importantes para a elucida??o do agente etiol?gico da CEB no estado do Rio de Janeiro; 2) verificar a qualidade higi?nica das amostras de p?len desidratado comercializado no estado do Rio de Janeiro. Um total de 48 amostras de p?o de abelhas, 15 de abelhas adultas e 12 de p?len ap?cola, foram adquiridas de regi?es end?micas da CEB. As coletas ocorreram nos meses que antecederam, durante e ap?s o per?odo da doen?a. J? as amostras de p?len desidratado foram adquiridas no com?rcio do estado, totalizando 27 amostras. A enumera??o da micobiota (ufc g-1) foi realizada atrav?s do m?todo de dilui??o decimal com semeadura em placas utilizando-se meios de cultivo gerais e seletivos. Foram determinadas a freq??ncia de isolamento dos g?neros f?ngicos e a densidade relativa das esp?cies. Foi determinado o perfil tox?geno de cepas isoladas e foi feita a detec??o e quantifica??o de aflatoxina B1 no p?o de abelhas e p?len ap?cola. Nos resultados obtidos das amostras do estudo de caso, o p?o de abelhas mostrou ser o melhor substrato para o ve?culo de contamina??o para a colmeia. Observou-se tamb?m altas contagens f?ngicas, al?m da presen?a de micotoxinas e fungos entomopatog?nicos, como Aspergillus flavus, A. niger agregados e A. fumigatus o que favorece a queda da imunidade desses insetos deixando-os suscet?veis a diversas doen?as, entre elas a pr?pria CEB. Em rela??o ao p?len desidratado, os resultados mostraram uma alta carga f?ngica com 92% das amostras em condi??es higi?nicas insatisfat?rias segundo os padr?es legais consultados e 25% das cepas de A. flavus mostraram-se potencialmente produtoras de aflatoxinas. Os alt?ssimos percentuais de reprova??o das amostras para a qualidade higi?nica, aliado ? presen?a de grande variedade de fungos contaminantes, incluindo esp?cies produtoras de micotoxinas, ? uma evid?ncia de que a legisla??o necessita ser atualizada, para que este produto possa ser comercializado com seguran?a. Considera-se que toda a linha de produ??o do p?len ap?cola, desde sua coleta at? o armazenamento deva ser monitorada, a fim de minimizar os riscos para a sa?de humana

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2016-10-04T22:04:46Z No. of bitstreams: 1 2011 - Ivamilton de Souza Ara?jo.pdf: 638134 bytes, checksum: 292ccc98b913ba9591b198e38a521b22 (MD5) / Made available in DSpace on 2016-10-04T22:04:46Z (GMT). No. of bitstreams: 1 2011 - Ivamilton de Souza Ara?jo.pdf: 638134 bytes, checksum: 292ccc98b913ba9591b198e38a521b22 (MD5) Previous issue date: 2010-12-20 / The school must integrate the community in actions taken by school systems, providing a school environment, democratic and participatory citizens to train for the world of work. In agricultural education teacher's role is much broader than passing content. Under this assumption, we can state that scientific research is a means of achieving the learning objectives of a course and profile of future professionals. Where the assumptions, questions and content are formed around a local issue. It follows, therefore the need to change thedefinition of the teacher as an expert in class, as the class that only teaches the copy iscomplete incompetence. The research was conducted with students of the course of indigenous agriculture class 2007 of the Federal Institute of Education Science and Technology of Amazonas, located in S?o Gabriel da Cachoeira-Am, Upper Rio Negro. This research was characterized as an action research with participatory observations within the institution where the research subjects were the students, aged between 15 and 19 years. The class had 30 students in total, with 67% of these participated in the survey, among which the Fellows Program of scientific initiation Junior (PIBIC-Jr). which is highlighted with the presentation of research projects at national and international conferences. For obtaining, analysis and interpretation was based on results of questionnaires investigated is the profile of students, evaluation of educational management, the stock-pedagogical and didactic model of teaching-learning, is the practice of scientific research has been developed in school and as has been the academic performance of participants. The results showed that the research as a method of teaching is learning to be a valuable tool in the construction of knowledge. Thedata highlight the need f or prioritizing the issues advanced research projects of regional and sustainable agricultural development. As for school, the evaluation of students, found hat83% of students do not meet a schedule of studies, have no place to study at home and too often do not have the books and handouts given by teachers to study. Yet results of approval with dependence in most of the class in 2008. In technological research is emphasized in the various environments entomofauna study of a regional agroecosystem with approaches toagroecology. The different environments were: a classroom, experimental field of agroforestry and interdisciplinary laborator y that allowed students to boost the participation of thedevelopment of action research, as the result of literature search produced a positive done by the interaction between theory and custom.. The indicators highlight the need for advancedresearch thematic priority to regional projects and sustainable agricultural development. The data show approval at the end of the school year, achievement in school, stay in school,increased numbers of research grants and improvement in family income. / A escola deve integrar a comunidade nas a??es desenvolvidas pelos sistemas de ensino, propiciando um ambiente escolar democr?tico e participativo, no qual sejam trabalhadas estrat?gias de ensino interdisciplinares, inovadoras de compet?ncias profissionais que formem n?o somente cidad?os, mas tamb?m profissionais para o mercado de trabalho. No ensino agr?cola o papel do educador ? bem mais amplo do que passar conte?dos, pois o que se deve buscar por parte dos docentes ? o pensamento reflexivo imbu?do de crescente grau de autonomia intelectual e de a??o investigativa que contribua na consolida??o do perfil doalunos de cada curso. Decorrendo assim, a necessidade de mudar a defini??o do professor como aquele que apenas transmite em sala de aula, uma vez que nestes novos tempos, o professor precisa ser essencialmente o facilitador, que ajuda o aluno a construir sua aprendizagem, sua compet?ncia e suas habilidades. Este trabalho teve como escopo analisar o processo de ensinoaprendizagem de estudantes na disciplina de Agricultura atrav?s do m?todo de ensino aliado a pesquisa cient?fica oportunizando uma vis?o abrangente dos diversos ambientes de estudos. O trabalho caracterizou-se como uma pesquisa-a??o, com observa??es participativas no ?mbito da institui??o, onde os sujeitos atores da pesquisa foram os pr?prios alunos. A pesquisa foi desenvolvida com os alunos descendentes ind?genas e n?o ind?genas com idades variando entre 15 e 19 anos do curso de agropecu?ria, ano 2007, do Instituto Federal de Educa??o Ci?ncia e Tecnologia do Amazonas, localizado no munic?pio de S?o Gabriel da Cachoeira, Alto Rio Negro (AM). Entre os participantes, havia bolsistas do Programa de Inicia??o Cientifica J?nior (PIBIC-Jr). Para a obten??o dos dados foram aplicados question?rios semiestruturados com abordagens qualitativa e quantitativa. Foi realizado acompanhamento do desempenho do rendimento dos alunos, mediante os instrumentos de registros obtidos na secretaria escolar. Os resultados mostraram que a pesquisa como m?todo de ensino-aprendizagem, constitui-se num instrumento valioso na constru??o do conhecimento. Os resultados mostraram a necessidade de pesquisas avan?adasquanto as tem?ticas regionais e projetos de desenvolvimento agr?cola sustent?veis. Verificou-se tamb?m que o conhecimento foi constru?dos a medida que os alunos se planejavam, seorganizavam e distribu?am as tarefas, sucessivamente. As consequ?ncias da dinamiza??o nos estudos dos alunos levaram: a aprova??o ao final do ano letivo, a melhoria no rendimentoescolar, a perman?ncia na escola e a melhoria na renda familiar.

Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2016-10-07T12:14:18Z No. of bitstreams: 1 2011- Carla Eugenia Fonseca da Silva Marques de Nobrega.pdf: 1224808 bytes, checksum: 7065419e23f8d069be020ad6b71a0b89 (MD5) / Made available in DSpace on 2016-10-07T12:14:18Z (GMT). No. of bitstreams: 1 2011- Carla Eugenia Fonseca da Silva Marques de Nobrega.pdf: 1224808 bytes, checksum: 7065419e23f8d069be020ad6b71a0b89 (MD5) Previous issue date: 2011-09-29 / The present work is the result of a survey conducted the Campus Vitoria de Santo Ant?o of the Federal Institute of Education, Science and Technology of Pernambuco. Our research aimed to analyze whether the current selection process of students conducted by the Campus Vitoria de Santo Ant?o constitutes a policy of inclusion. In recent years, initiatives are being taken to allow access to education and ensure the permanence at school of the poor and offering them a quality education from early childhood education to higher education. The Campus Vitoria de Santo Ant?o of the Federal Institute of Pernambuco proposed, in 2006, changes in its selection process with the intention of promoting social inclusion on the new directions taken by the Vocational Education, to democratize access to their courses and bring inside the rural population for which the Agrotechnical Schools were created. We used as instruments for data collection interviews, questionnaires, surveys of documentary and bibliography material, with the main subject of the graduates of that course of Agricultural Campus in 2010 in order to identify the reasons that led them to choose the school and intended course. We interviewed, too, the servers involved in the various selection processes to understand how was being understood and applied the concept of social inclusion in different stages of the selection process of the school. We also performed a reading of literature pertinent to the dissertation topic, so we can contextualize our work and theoretical basis. The results showed us that are possible make a different selection process of the traditional college entrance exam, and thus enable the entry of young people from disadvantaged sections, giving them access to quality education and ensuring their stay in school. We recognize that the initiative and management support are essential to a proposal for a paradigm shift in access to quality public education, that is not based only on the valuation of purely cognitive aspects. The testimony of servers and show students the positive view that the school community have the selection process, while they show suggestions and comments for its improvement. We expect, with this work, collaborate on understanding the issues related to the selection test theme for admission of students in public schools, at a time of redefinition, the lack of extensive discussion and consensus of the effectiveness of these processes in the democratization of access and social inclusion. We believe that even without the intention to generalization, the results obtained in this study may serve as a reference for other education institutions looking to implement policies and actions for Social Inclusion / O presente trabalho ? resultado de uma pesquisa realizada no Campus Vit?ria de Santo Ant?o do Instituto Federal de Educa??o, Ci?ncia e Tecnologia de Pernambuco. Nossa pesquisa teve como objetivo analisar se o atual processo de sele??o de alunos realizado pelo Campus Vit?ria de Santo Ant?o se constitui uma Pol?tica de Inclus?o. Nos ?ltimos anos, iniciativas est?o sendo tomadas no sentido de permitir o acesso ? educa??o e garantir a perman?ncia na escola das camadas mais carentes, oferecendo-lhes um ensino de qualidade desde a educa??o infantil ao ensino superior. O Campus Vit?ria de Santo Ant?o do Instituto Federal de Pernambuco prop?s, em 2006, mudan?as no seu Processo Seletivo com a inten??o de promover a inclus?o social diante dos novos rumos assumidos pela Educa??o Profissional, no sentido de democratizar o acesso aos seus cursos e trazer para dentro dela a popula??o rural para a qual as Escolas Agrot?cnicas foram criadas. Utilizamos como instrumentos de coleta de dados entrevistas, question?rios, levantamentos de material documental e bibliogr?fico, tendo como principais sujeitos os concluintes do curso de Agropecu?ria do referido Campus no ano de 2010, a fim de identificar as raz?es que os levaram a escolher a escola e o curso pretendido. Entrevistamos, tamb?m, os servidores envolvidos nos diversos processos seletivos para compreender como estava sendo entendido e aplicado o conceito de Inclus?o social nas fases distintas do Processo seletivo da escola. Realizamos, ainda, leitura de bibliografia pertinente ao tema da disserta??o, para que pud?ssemos contextualizar e embasar teoricamente nosso trabalho. Os resultados nos mostraram que ? poss?vel realizar um processo seletivo diferenciado do tradicional vestibular, e assim possibilitar o ingresso de jovens das camadas menos favorecidas, proporcionando-lhes o acesso ao ensino de qualidade, e garantindo sua perman?ncia na escola. Reconhecemos que a iniciativa e o apoio da gest?o s?o essenciais para uma proposta de mudan?a de paradigma no acesso ao ensino p?blico de qualidade, que n?o esteja pautado apenas na valoriza??o de aspectos meramente cognitivos. Os depoimentos de servidores e alunos mostram a vis?o positiva que a comunidade escolar tem do processo seletivo, ao tempo que apresentam sugest?es e cr?ticas para o seu aperfei?oamento. Esperamos, com este trabalho, colaborar na elucida??o de quest?es relativas ? tem?tica exame de sele??o para ingresso de alunos nas escolas p?blicas, em um momento de redefini??o, ampla discuss?o e falta de consenso da efic?cia desses processos na democratiza??o do acesso e na inclus?o social. Acreditamos que, mesmo sem a pretens?o de generaliza??o, os resultados obtidos nessa pesquisa poder?o servir de refer?ncia para outras Institui??es de ensino que buscam implementar pol?ticas e a??es de Inclus?o Social

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2016-10-18T20:27:43Z No. of bitstreams: 1 2016 - Rejane Beatriz Mendes.pdf: 1274294 bytes, checksum: 102209ae1b48b76fd48b58b091677b82 (MD5) / Made available in DSpace on 2016-10-18T20:27:43Z (GMT). No. of bitstreams: 1 2016 - Rejane Beatriz Mendes.pdf: 1274294 bytes, checksum: 102209ae1b48b76fd48b58b091677b82 (MD5) Previous issue date: 2016-02-29 / This study aims to examine how public policies for rural areas may contribute to the strengthening of family farming. It is based on case study in Cocais, a district in the city of Bar?o de Cocais (MG). The research seeks to understand the relationship of family farmers and their strategies of work and production, considering public policies for the rural sector, face the reality experienced by the families farmers of the district in question. The district is housed in a pressure environment and labor dispute with the mining sector, the main economic activity of the municipality. It was used documentary analysis methodology and literature review about the history of Cocais district, and interviews based on open guide, applied to 20 families of farmers in the district attended by technicians of EMATER-MG. Data were collected in relation to property size, age, level of education, production, income, known and acessed public policy, and agroecological practices, marketing channels. The obtained results indicated that the size of the properties allowed farmers to PRONAF access, using agroecological practices in the production units. The study revealed that farmers in the district have accessed various public policies (PRONAF, LIGHT FOR ALL, PAA, PNAE, FAMILY HEALTH PROGRAM, ATER) for rural areas. In addition, it was identified other non-agricultural activities with potential to be developed in the region, indicating the importance of pluriactivity to promote local development actions. It was also found an aging population and declining male labor in the field. Family farmers suffering even with the pressure of mining activity, have invested in production, accessed new marketing channels, such as fairs, exhibitions and institutional markets (PAA, PNAE), generating new jobs and income. This entry into new markets has also allowed the return of people to farming, as well as improving the quality of life in rural areas, confirming the important role of public policy in strengthening family farming. / O presente estudo visa analisar como as pol?ticas p?blicas para o meio rural podem contribuir para o fortalecimento da agricultura familiar. Isso ? feito com base em estudo de caso no distrito de Cocais, munic?pio de Bar?o de Cocais (MG). A pesquisa busca entender a rela??o dos agricultores familiares e sua forma de trabalho e produ??o, considerando as pol?ticas p?blicas para o setor rural, frente ? realidade vivida pelos agricultores familiares do distrito em quest?o, que est? inserido num contexto de press?o e disputa de m?o de obra com a atividade da minera??o, principal atividade econ?mica do munic?pio. Para isso, foi utilizada como metodologia an?lise documental e revis?o bibliogr?fica acerca do hist?rico do distrito de Cocais, e entrevista com base em roteiro aberto, aplicada a 20 fam?lias de agricultores do distrito atendidos pelos t?cnicos da EMATER-MG. Foram levantados dados como tamanho da propriedade, idade, grau de escolaridade, produ??o, renda, pol?ticas p?blicas conhecidas e acessadas, e pr?ticas agroecol?gicas, canais de comercializa??o. Verificou-se que o tamanho das propriedades enquadra os agricultores nos crit?rios do PRONAF, que pr?ticas agroecol?gicas s?o utilizadas nas unidades produtivas. O trabalho revelou que os agricultores do distrito de Cocais t?m acessado diversas pol?ticas p?blicas (PRONAF, LUZ PARA TODOS, PAA, PNAE, PROGRAMA DE SA?DE DA FAM?LIA, ATER) para o meio rural. Al?m disso, foram identificadas outras atividades n?o agr?colas com potencial para serem desenvolvidas na regi?o, indicando a import?ncia da pluriatividade para a promo??o de a??es de desenvolvimento local. Constatou-se ainda o envelhecimento da popula??o e a diminui??o da m?o de obra masculina no campo. Os agricultores familiares, mesmo sofrendo com a press?o da atividade mineraria, t?m investido na produ??o, acessado novos canais de comercializa??o, como feiras livres, exposi??es e mercados institucionais (PAA, PNAE), gerado novas ocupa??es e renda. Essa inser??o em novos mercados tem possibilitado ainda o retorno de pessoas para atividade agr?cola, bem como a melhoria na qualidade de vida no meio rural, confirmando o importante papel das pol?ticas p?blicas no fortalecimento da agricultura familiar.

Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2017-05-03T12:33:00Z No. of bitstreams: 1 2015 - Onilda Maria Reis Vieira.pdf: 2177956 bytes, checksum: 88360171ae81218a5438c12fe82565f1 (MD5) / Made available in DSpace on 2017-05-03T12:33:00Z (GMT). No. of bitstreams: 1 2015 - Onilda Maria Reis Vieira.pdf: 2177956 bytes, checksum: 88360171ae81218a5438c12fe82565f1 (MD5) Previous issue date: 2015-12-17 / Analyze the Licentiate's Degree in Agricultural Sciences of UFRPE focusing on the contribution of training in the course of its graduates, the evaluation themselves, was the main objective of this dissertation. In 2015 this course turned fifty currently being structured from a Pedagogical Political Project established in 2004. Evaluation as a political-pedagogical element essential to the improvement of institutions, it is substantial in our work in research intended to bring the vision of those who gave and give social capital and academic at the course. The voices of the graduates were heard by applying a questionnaire with closed and open questions in which they could express their perceptions of material and immaterial aspects of the course of LA. The study also makes a presentation of the course analyzed as well as another course of the same name, but offered in UFRRJ, a degree in Agricultural Sciences, which even in different regions of the country remain an academic identity with each other. As the course trains teachers to work in education, brought the discussion that educators as Gaud?ncio Frigotto, Maria Ciavatta, Concei??o Arruda, Lia Oliveira, Marise Ramos, Demerval Saviani, among others, cause about the pernicious influence that the capitalist production models have on labor relations and consequently the educational and training activity. Continuing the analysis of the trajectory of the graduates, qualitative research, study type of case, revealed the difficulty of employability of graduates in the PE area after the expansion of IF's. / Analisar o curso de Licenciatura em Ci?ncias Agr?colas da UFRPE enfocando a contribui??o da forma??o segundo a trajet?ria de seus egressos, na avalia??o deles pr?prios, foi o principal objetivo dessa disserta??o. Em 2015 este curso completou cinquenta anos sendo estruturado atualmente a partir de um Projeto Pol?tico Pedag?gico estabelecido em 2004. A avalia??o como elemento pol?tico-pedag?gico essencial ao aperfei?oamento das institui??es, faz-se substancial em nosso trabalho que pretendeu na pesquisa trazer a vis?o daqueles que deram e d?o capital social e acad?mico ao curso. As vozes dos egressos foram ouvidas pela aplica??o de um question?rio com quest?es fechadas e abertas no qual puderam expressar suas percep??es sobre aspectos materiais e imateriais do curso de LA. O estudo tamb?m faz uma apresenta??o do curso analisado como tamb?m de outro curso de mesmo nome, mas, oferecido na UFRRJ, a Licenciatura em Ci?ncias Agr?colas, que mesmo situados em regi?es distintas do pa?s mant?m uma identidade acad?mica entre si. Como o curso forma professores para atuarem na educa??o profissional, trouxemos a discuss?o que educadores como Gaud?ncio Frigotto, Maria Ciavatta, Concei??o Arruda, Lia Oliveira, Marise Ramos, Demerval Saviani, entre outros, provocam a respeito da influ?ncia nefasta que os modelos de produ??o capitalista exercem nas rela??es trabalhistas e, consequentemente, na atividade educacional e formativa. Continuando a an?lise sobre a trajet?ria dos egressos, a pesquisa qualitativa, do tipo estudo de caso, revelou a dificuldade de empregabilidade dos licenciados, no estado de PE, ap?s a expans?o dos IF?s.

The research has investigated the celebrity effect¡¦s relationship between brand image, perceived quality, and purchase intention. Using the case of the world-renowned brand: Minute Maid, Coca-Cola, it has only been introduced to Taiwan for two years, yet it made a huge success. It has faced the issue of changing spokesperson recently. The research uses ¡§Judgmental sampling¡¨ to get the samples and data that we need. We use factor analysis and reliability analysis to check our questionnaire, and then the data was analyzed mainly on Pearson correlation analysis and regression to check out whether the factors are effective. The results showed: 1. Consumers would think that the better the product¡¦s celebrity effect is, the better the product¡¦s perceived quality and brand image is. 2. Consumers would think that the higher the perceived quality and brand image is, the higher their purchase intention would be. 3. Overall, the celebrity effect would affect consumer¡¦s purchase intention. Companies which try to use these kinds of marketing strategy should really be aware of it.

Universiẗat, Diss. 2002--St. Gallen, 2002.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-04T21:15:20Z No. of bitstreams: 1 RonyLucasDaSilvaViana_DISSERT.pdf: 1958519 bytes, checksum: 226f3bd5e061571aedf5c25ed9beb5ac (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-08T23:09:18Z (GMT) No. of bitstreams: 1 RonyLucasDaSilvaViana_DISSERT.pdf: 1958519 bytes, checksum: 226f3bd5e061571aedf5c25ed9beb5ac (MD5) / Made available in DSpace on 2017-12-08T23:09:18Z (GMT). No. of bitstreams: 1 RonyLucasDaSilvaViana_DISSERT.pdf: 1958519 bytes, checksum: 226f3bd5e061571aedf5c25ed9beb5ac (MD5) Previous issue date: 2017-10-30 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / O sabugo de milho ? um subproduto do cultivo do milho que ? pouco utilizado economicamente o que leva ao desperd?cio de milh?es de toneladas desse material anualmente. Do sabugo pode-se extrair mol?culas, inclusive um polissacar?deo bioativo, rico em xilose, denominado de xilana. Neste trabalho, foram produzidas, por um m?todo sustent?vel ao meio ambiente (s?ntese verde), nanopart?culas de prata contendo xilanas de sabugo de milho (nanoxilanas). Para tal, a xilana de sabugo de milho foi extra?da com o aux?lio de ondas de ultrassom. An?lises qu?micas mostraram que esta n?o estava contaminada por prote?nas nem por compostos fen?licos. A xilana foi hidrolisada e seus componentes monossacar?dicos foram determinados por cromatografia l?quida de alta efici?ncia (CLAE). Na an?lise monossacar?dica identificou-se os componentes sendo eles, xilose: glucose: galactose: manose: ?cido glucur?nico nas seguintes propor??es 50: 21: 14: 9: 2,5: 2,5, respectivamente. A forma??o das nanoxilanas foi acompanhada por espectroscopia UV-vis?vel com kmax = 469 nm. An?lises de espectroscopia de infravermelho confirmaram a presen?a da prata e xilana na nanopart?cula. J? as an?lises de dispers?o din?mica de luz e microscopia (DLS) e de for?a at?mica (MFA) mostraram que o tamanho das part?culas foi em m?dia de 102 nm e que essas tinham um formato arredondado. Os dados de DLS tamb?m mostraram que as nanoxilanas permaneceram est?veis por 12 meses quando armazenadas a 4 ?C e protegidas da luz. Dados de espectrometria de emiss?o ?ptica com plasma acoplado (ICP OES) mostraram que o percentual de prata na nanoxilana foi de 19%. A nanoxilana reduziu a viabilidade das formas promastigotas de Leishmania amazonensis (L. amazonensis) (IC50 25 ?g/mL), enquanto a xilana n?o foi efetiva nessa concentra??o. Al?m disso, a nanoxilana apresentou um valor de 7,5 ?g/mL correspondente a concentra??o m?nima inibit?ria para tr?s diferentes fungos Candida albicans, Candida parapsilosis, e Cryptococcus neorformans. Adicionalmente, a nanoxilana n?o alterou de forma negativa a redu??o de MTT a formazan por c?lulas normais (3T3). Os dados aqui apresentados mostram o potencial biotecnol?gico da nanoxilana e futuros ensaios, inclusive in vivo, devem ser feitos para confirmar o potencial antimicrobiano da nanoxilana. / Corn cob is an agricultural by-product that annually produces a huge amount of waste estimated at thousands of tons, and it is a source of xylan, a bioactive polysaccharide. In this article, silver nanoparticles containing xylan (nanoxylan) were synthesized using an environmentally friendly synthesis method. Therefore, for such, we extracted the xylan from corn cob using ultrasound. Proteins or phenolic compounds did not contaminate this xylan. In addition, HPLC analysis showed that it contains xylose: glucose: arabinose: galactose: mannose: glucuronic acid in a molar percentage ratio of 50: 21: 14: 9.0: 2.5: 2.5, respectively. The formation of nanoxylan was analyzed by UV?vis spectroscopy at kmax = 469 nm. Fourier transform infrared spectroscopy (FTIR) confirmed the presence of silver and xylan in nanoxylan. Dynamic Light Dispersion (DLS) and Atomic Force Microscopy (AFM) showed size of ? 102.0 nm and spherical shaped nanoparticles, respectively. DLS also showed nanoxylans were stable for 12 months. Coupled plasma optical emission spectrometry (ICP OES) showed nanoxylan contain 19% of silver. Nanoxylan reduced viability of the promastigotes of Leishmania amazonensis (L. amazonensis) (IC50 25 ?g/mL), while xylan was not effective. In addition, nanoxylan showed antifungal activity on Candida albicans (MIC = 7.5 ?g/mL) Candida parapsilosis (MIC = 7.5 ?g/mL) and Cryptococcus neorformans (MIC = 7.5 ?g/mL). The data obtained here lead us to the conclusion that it is possible to synthesize silver nanoparticles with xylan and that these nanoxylans showed an antileishimanial and antifungal activities superior to the polysaccharide used for its synthesis, and that this can be used as a promising antiparasitic agent against these microorganisms.

The work presented in this thesis was carried out with a particular view of enhancing the of coal fired fluidised bed hot gas generator (HGG) at the Cantley factory of British Sugar. It covers combustion of coal and biomass and their blends also called co-firing in a fluidised bed combustor. Particularly it focuses on the effect of introduction of moisture as part of fuel or injection of water into the bed on the reduction of excess air to get a stable bed temperature. Although this thesis is focused on increasing the throughput of the HGG, the study has a broad application and can be beneficial in utilising relatively cheap, poor quality, unprepared biomass materials. The results of this study can be helpful in devising systems to deal with wastes from different industries in co-combustion with a fuel of higher calorific value such as coal. Thus the study will have dual impact on the industry; addressing waste management issues on one hand and producing useful energy on the other. This may contribute towards meeting the targets of Kyoto Protocol by reducing emissions of carbon dioxide (COi) as biomass is thought to be COa neutral. The fluidised bed at Cantley is used to dry animal feed and has a design capacity of 40 MW but due to limitations of flow of fluidising gases caused by high flow resistance through sparge pipes, the combustor is running under capacity. Consequently, some of the animal feed has to be dried by using expensive oil fired drier. In any combustion system excess air is used to control combustion temperature. In fluidised bed combustion excess air is used to control bed temperature. If the bed is cooled by other means the requirement of excess air can be reduced. This is the basic idea behind this study which is aimed at enhancing the capacity of the HGG by cooling the bed and thus reducing excess air requirements. The excess air thus spared can be used to combust more coal in the bed and thus will reduce dependence on oil fired dryer and will have financial benefits for British Sugar. Different fuels including wood pellets, wood chips and sugar industry by-products such as vinasse, raffinate and pressed pulp were fired/cofired with Thoresby coal in a fluidised bed test rig installed at the University of Glamorgan. The blends of wood chips and pressed pulp with coal are co-fired at different moisture contents. The tests were conducted at different thermal inputs at a wide range of excess air levels. Most of the work is focusedon the combustion of blends of coal and pressed pulp in different proportions. It was found that the maximum proportion of the pressed pulp in the blend with coal which could be burned successfully in the fluidised bed is 50%. During combustion of different coal-pulp and coal-wood chips blends it was found that excess air requirement is reduced by around 20% in comparison to coal only firing, over the range of the operating conditions tested. Because of the presence of potassium in pressed pulp, which could cause agglomeration during combustion in fluidised beds, longer term tests were carried out with 50/50 blend of coal and pulp. No signs of agglomeration were observed when the rig was fired for 8 days for almost 7 hours a day. However, Scanning Electron Microscopy (SEM) analyses of bed samples taken at the end of every day have shown the accumulation of potassium in the bed up to 1%. For comparison purposes tests were also carried out by co-firing coal with raffiante and vinasse and then it was observed that the bed defluidised relatively quickly, within 40 minutes of co-firing. Post experiment SEM analysis confirmed the accumulation of potassium in the bed which was found to be around 8% for raffinate and around 10% for the vinasse experiment. It was found that the pulp is difficult to deal with and particularly its feeding into the fluidised bed could be a potential problem. Therefore, injection of water into the bed, a relatively cheaper and adaptable option, was also investigated. It was found that emissions of carbon monoxide due to incomplete combustion or water gas shift reaction would not be a problem as long as the bed temperature is controlled above 800 °C. It was found that the injection of water at a rate of 4.5 1/h into the bed fired at 17 kW reduced the air flow requirement by around 7.5 m3/h which corresponds to a reduction of almost 20% which agrees with the finding with coal-pulp blends co-firing. This excess air can be used to burn around 5 kW equivalent of more coal and thus result in an increase in the thermal capacity by around 30%. Therefore, it may be possible to enhance the thermal capacity of the HGG at Cantley by 30% by injecting water into the bed or by co-firing coal and pulp.

PEDRO, Edilson da Silva. Estrat?gias para a organiza??o da pesquisa em cana-de-a??car: uma an?lise de governan?a em sistemas de inova??o. 2008. 226f. Tese (Doutorado em Pol?tica Cient?fica e Tecnol?gica) - Universidade Estadual de Campinas, Campinas, 2008. / Submitted by Elisangela Moura (lilaalves@gmail.com) on 2010-09-27T17:00:08Z No. of bitstreams: 2 2008Tese_EdilsonSP.pdf: 2281240 bytes, checksum: 5aefc66990c664723910a900b232484e (MD5) license_rdf: 20464 bytes, checksum: d540d98f4c56c073d1d99228e27d53ca (MD5) / Approved for entry into archive by clediane guedes(clediane@bczm.ufrn.br) on 2010-09-28T12:47:43Z (GMT) No. of bitstreams: 2 2008Tese_EdilsonSP.pdf: 2281240 bytes, checksum: 5aefc66990c664723910a900b232484e (MD5) license_rdf: 20464 bytes, checksum: d540d98f4c56c073d1d99228e27d53ca (MD5) / Made available in DSpace on 2010-09-28T12:47:43Z (GMT). No. of bitstreams: 2 2008Tese_EdilsonSP.pdf: 2281240 bytes, checksum: 5aefc66990c664723910a900b232484e (MD5) license_rdf: 20464 bytes, checksum: d540d98f4c56c073d1d99228e27d53ca (MD5) / O prop?sito deste estudo de tese ? identificar melhores estrat?gias institucionais de governan?a e coordena??o para organizar a Pesquisa em Melhoramento Gen?tico de Cana-de-a??car. Para este fim, conceitualmente foram utilizadas as abordagens evolucionistas visando sintetizar um marco anal?tico com foco direcionado ? quest?o da governan?a em sistemas setoriais de inova??o ligados a agricultura. A estrat?gia de pesquisa explorat?ria foi empregada como metodologia para precisar o problema e compreender seus elementos e rela??es relevantes. Tamb?m foram aplicadas ferramentas de prospectiva estrat?gica para analisar cen?rios e incertezas cr?ticas. A partir destas defini??es e recursos, a pesquisa identificou as for?as, fraquezas, oportunidades e amea?as e, sobretudo, as falhas de coordena??o nas dimens?es atores, base de conhecimento e marcos regulat?rios. Estes elementos subsidiaram a composi??o e an?lise das incertezas cr?ticas e trajet?rias institucionais estrat?gicas na proje??o de cen?rios alternativos. Como resultado, o estudo aponta inova??es institucionais que podem apoiar o desenvolvimento e organiza??o da coordena??o da PD&I, baseando-se em diretrizes de aumento de coer?ncia sist?mica ? tais como gest?o dos processos decis?rios, compartilhamento de objetivos e recursos. Entende-se que este estudo setorial apresenta uma plataforma importante para desenhar pol?ticas e estrat?gias institucionais mais robustas para a organiza??o da pesquisa enfrentar as transforma??es no padr?o produtivo da agricultura e agroind?stria nos pr?ximos 10 anos. __________________________________________The purpose of this study is to identify better governance institutional strategies and coordination of Research in Sugar Cane Genetic Improvement. Therefore, evolutional approaches were used to synthesize an analytical mark focusing on governance question in sectorial systems of innovation connected to agriculture. The strategy of exploratory research was used as a methodology to define the problem, understand its elements, and relevant relations. Strategic prospecting tools were applied to analyze scenarios and critical uncertainnesses. From these definitions and resources, the research identified strengths, weaknesses, opportunities and threats, and above all, coordination failures in dimensions as such actors, knowledge base, and regulatory marks. And these elements supported the composition and analysis of critical uncertainnesses and strategic institutional trajectories in alternative scenario projections. As a result, the study indicates institutional innovations which can support the development and organization of RD&I coordination according to the directions of systemic coherence increasing ? as such management of decision processes, sharing of goals and resources. It is understood that this sectorial study presents an important platform to design more powerful institutional politics and strategies so that the organizational research can face agricultural and agroindustrial productive patter transformations in the next ten years.