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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

A Study of Family Conditions Among Fera People In Logan, Utah

Fredrickson, Carmen D. 01 May 1934 (has links)
This study was undertaken at the request of the Cache County Council of Child Health and Protection, who in cooperation with the Juvenile Court of District No. 1 beginning with 1933 planned specific undertakings to minimize delinquency. Life is a ceaseless struggle for existence. It enters every aspect of life and culture and in the long run the more fit tend toward the high places and the less fit are sifted and shaken to the low places. This struggle goes on in our physical environment, the less able take poor homes and the poor sections to live. In employment the less able take the brunt and often shift from one unskilled job to another. In intellectual attainments the less fit cannot compete and drop out of the race early. In the field of nervous stability and physical health the less able die young or carry chronic difficulties with them through life. They are the occupants of our sanitariums and mental hospitals. This struggle brings out the winner and the superior with honors and crushes the loser with discouragements. Is the difference all within man or could each one succeed if the right note were sounded to which he could respond? Does our society make the struggle too severe for some to surmount? To what extent on the other hand, does faulty economic and social organization bring into the ranks of the needy, physically and mentally fit people? What types of maladjustments are most pronounced among the underprivileged groups? An important part of the study has been concerned with the health situation. To find out the nature and extent of the health difficulties experts generously and without pay made physical examinations of thirty-five families. These families came to the FERA health center and received a complete medical examination. Dr. J. O. Heyward and Dentist Clark Haskins, with Miss Emma Willmore and Miss Anna Malmberg, FERA nurses assisting, spent five full evenings giving these examinations to 173 people. This service represents a very real contribution to the effort to clarify conditions in Logan among the dependent classes. The willingness of the three professions involved to render unpaid service of no small extent on a social problem of significance is once more in evidence.
2

"A Bela e a Fera ou a ferida grande demais": consideraÃÃes sobre o outro feminino / "A Bela e a Fera ou a ferida grande demais", by Clarice Lispector: considerations about the feminine other.

Maria Elenice Costa Lima 03 April 2012 (has links)
CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior / O presente trabalho de pesquisa aborda as peculiaridades do imaginÃrio feminino e seus afetos nos contos âLa Belle et la BÃteâ, da escritora francesa Jeanne-Marie Leprince de Beaumont e âA Bela e a Fera ou A Ferida Grande Demaisâ, da autora brasileira Clarice Lispector. NÃo à difÃcil perceber as distinÃÃes entre os contextos de produÃÃo dessas obras, tampouco concluir que a primeira se trata de um conto de fadas e a outra de um conto moderno. No entanto, o que mais chama a atenÃÃo nos contos analisados à como se desenvolvem as relaÃÃes de alteridade em ambas as narrativas e o destaque dado à figura feminina. A fim de melhor analisar esses fatos, serà feito um diÃlogo com os estudos realizados sobre o feminino, bem como sobre os contos de fadas, tais como os de: Ruth Silviano BrandÃo, Marisa Lajolo, Lygia Fagundes Telles, Maria Ãngela Dâincao, Maria Rita Kehl, entre outros que se detiveram na anÃlise sobre o imaginÃrio feminino e seus afetos; Bruno Bettelheim, Nelly Novaes Coelho, Noemà Paz, Marie-Louise Von Franz, Verena Kast e outros que se dedicam ao estudo dos contos de fadas e os realizados por Bachelard, Durand, Lacan, Foucault, Heidegger, Antonio Candido acerca de algumas questÃes filosÃficas, psicanalÃticas e sociolÃgicas que podem ser discutidas a partir das narrativas em estudo. / The present research broaches the peculiarity of the feminine imaginary and its affections in the novella âLa Belle et la BÃteâ, by the French writer Jeanne-Marie Leprince de Beaumont and âA Bela e a Fera ou A Ferida Grande Demaisâ, by the Brazilian writer Clarice Lispector. It is not difficult to realize the distinctions among the production contexts of these works, neither conclude that the first one is a fairy tale and the second, a modern novella. However, what most call the attention in the analyzed novellas is how the alterity relationships in both narratives develop and the highlight given to the feminine character. In order to better analyze these facts, it will be held a dialogue with the studies about the feminine, as well as about fairy tales like the ones by Ruth Silviano BrandÃo, Marisa Lajolo, Lygia Fagundes Telles, Maria Ãngela Dâincao, Maria Rita Kehl, among others who lingered on the analysis of the feminine imaginary and its affections; Bruno Bettelheim, Nelly Novaes Coelho, Noemi Paz, Marie-Louise Von Franz, Verena Kast and others who devote themselves to the fairy tales studies and the ones accomplished by Bachelard, Durand, Lacan, Focault, Heidegger and Antonio Candido about some philosophical, psychoanalytic and sociologic questions that may be discussed from the narratives in study.
3

Children of the Depression: A Study of Children in 169 FERA Families Ogden, Utah, 1935

Lillywhite, Leah Plowman 01 May 1936 (has links)
Today the under-privileged are by no means confined to the mentally and physically handicapped. Since 1929 the number has greatly increased because of our faulty economic and social organization. Many healthy men who are both able and willing to work have been forced into idleness because of inabilitiy to secure a position. Extension classes in "Mental Hygiene" and "Social Case Work" conducted under the direction of the head of the Sociology Department of the Utah State Agricultural College during 1934-35, decided to make a study of conditions actually existing among Ogden City's victims of the depression, with particular emphasis on conditions affecting children. Are they well housed? Do they have adequate medical care? Are they well served by the communities' education, religious, and recreational agencies? Are their emotional lives standing the strain well? This study is an attempt to obtain reliable information on these and other closely related questions.
4

"A Bela e a Fera ou a ferida grande demais": considerações sobre o outro feminino / "A Bela e a Fera ou a ferida grande demais", by Clarice Lispector: considerations about the feminine other

Lima, Maria Elenice Costa January 2012 (has links)
LIMA, Maria Elenice Costa. "A Bela e a Fera ou a ferida grande demais": considerações sobre o outro feminino. 2012. 110f. – Dissertação (Mestrado) – Universidade Federal do Ceará, Programa de Pós-graduação em Letras, Fortaleza (CE), 2012. / Submitted by Márcia Araújo (marcia_m_bezerra@yahoo.com.br) on 2014-05-19T13:58:55Z No. of bitstreams: 1 2012_dis_meclima.pdf: 741581 bytes, checksum: 88b4d57391c6a9231cd6f1678e9d5fac (MD5) / Approved for entry into archive by Márcia Araújo(marcia_m_bezerra@yahoo.com.br) on 2014-05-19T14:13:08Z (GMT) No. of bitstreams: 1 2012_dis_meclima.pdf: 741581 bytes, checksum: 88b4d57391c6a9231cd6f1678e9d5fac (MD5) / Made available in DSpace on 2014-05-19T14:13:08Z (GMT). No. of bitstreams: 1 2012_dis_meclima.pdf: 741581 bytes, checksum: 88b4d57391c6a9231cd6f1678e9d5fac (MD5) Previous issue date: 2012 / The present research broaches the peculiarity of the feminine imaginary and its affections in the novella “La Belle et la Bête”, by the French writer Jeanne-Marie Leprince de Beaumont and “A Bela e a Fera ou A Ferida Grande Demais”, by the Brazilian writer Clarice Lispector. It is not difficult to realize the distinctions among the production contexts of these works, neither conclude that the first one is a fairy tale and the second, a modern novella. However, what most call the attention in the analyzed novellas is how the alterity relationships in both narratives develop and the highlight given to the feminine character. In order to better analyze these facts, it will be held a dialogue with the studies about the feminine, as well as about fairy tales like the ones by Ruth Silviano Brandão, Marisa Lajolo, Lygia Fagundes Telles, Maria Ângela D’incao, Maria Rita Kehl, among others who lingered on the analysis of the feminine imaginary and its affections; Bruno Bettelheim, Nelly Novaes Coelho, Noemi Paz, Marie-Louise Von Franz, Verena Kast and others who devote themselves to the fairy tales studies and the ones accomplished by Bachelard, Durand, Lacan, Focault, Heidegger and Antonio Candido about some philosophical, psychoanalytic and sociologic questions that may be discussed from the narratives in study. / O presente trabalho de pesquisa aborda as peculiaridades do imaginário feminino e seus afetos nos contos “La Belle et la Bête”, da escritora francesa Jeanne-Marie Leprince de Beaumont e “A Bela e a Fera ou A Ferida Grande Demais”, da autora brasileira Clarice Lispector. Não é difícil perceber as distinções entre os contextos de produção dessas obras, tampouco concluir que a primeira se trata de um conto de fadas e a outra de um conto moderno. No entanto, o que mais chama a atenção nos contos analisados é como se desenvolvem as relações de alteridade em ambas as narrativas e o destaque dado à figura feminina. A fim de melhor analisar esses fatos, será feito um diálogo com os estudos realizados sobre o feminino, bem como sobre os contos de fadas, tais como os de: Ruth Silviano Brandão, Marisa Lajolo, Lygia Fagundes Telles, Maria Ângela D’incao, Maria Rita Kehl, entre outros que se detiveram na análise sobre o imaginário feminino e seus afetos; Bruno Bettelheim, Nelly Novaes Coelho, Noemí Paz, Marie-Louise Von Franz, Verena Kast e outros que se dedicam ao estudo dos contos de fadas e os realizados por Bachelard, Durand, Lacan, Foucault, Heidegger, Antonio Candido acerca de algumas questões filosóficas, psicanalíticas e sociológicas que podem ser discutidas a partir das narrativas em estudo.
5

Extra??o enzim?tica de ?leo e produ??o in situ de biodiesel a partir da Moringa ole?fera Lam

Azevedo, Saulo Henrique Gomes de 08 August 2013 (has links)
Made available in DSpace on 2014-12-17T15:01:31Z (GMT). No. of bitstreams: 1 SauloHGA_DISSERT.pdf: 5438309 bytes, checksum: adf73f5840135cac15d7a6e65ee7199b (MD5) Previous issue date: 2013-08-08 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / With the growth and development of modern society, arises the need to search for new raw materials and new technologies which present the "clean" characteristic, and do not harm the environment, but can join the energy needs of industry and transportation. The Moringa oleifera Lam, plant originating from India, and currently present in the Brazilian Northeast, presents itself as a multi-purpose plant, can be used as a coagulant in water treatment, as a natural remedy and as a feedstock for biodiesel production. In this work, Moringa has been used as a raw material for studies on the extraction and subsequently in the synthesis of biodiesel. Studies have been conducted on various techniques of Moringa oil extraction (solvents, mechanical pressing and enzymatic), being specially developed an experimental design for the aqueous extraction with the aid of the enzyme Neutrase? 0.8 L, with the aim of analyzing the influence variable pH (5.5-7.5), temperature (45-55?C), time (16-24 hours) and amount of catalyst (2-5%) on the extraction yield. In relation to study of the synthesis of biodiesel was initially carried out a conventional transesterification (50?C, KOH as a catalyst, methanol and 60 minutes reaction). Next, a study was conducted using the technique of in situ transesterification by using an experimental design variables as temperature (30-60?C), catalyst amount (2-5%), and molar ratio oil / ethanol (1:420-1:600). The extraction technique that achieved the highest extraction yield (35%) was the one that used hexane as a solvent. The extraction using 32% ethanol obtained by mechanical pressing and extraction reached 25% yield. For the enzymatic extraction, the experimental design indicated that the extraction yield was most affected by the effect of the combination of temperature and time. The maximum yield obtained in this extraction was 16%. After the step of obtaining the oil was accomplished the synthesis of biodiesel by the conventional method and the in situ technique. The method of conventional transesterification was obtained a content of 100% and esters by in situ technique was also obtained in 100% in the experimental point 7, with a molar ratio oil / alcohol 1:420, Temperature 60?C in 5% weight KOH with the reaction time of 1.5 h. By the experimental design, it was found that the variable that most influenced the ester content was late the percentage of catalyst. By physico-chemical analysis it was observed that the biodiesel produced by the in situ method fell within the rules of the ANP, therefore this technique feasible, because does not require the preliminary stage of oil extraction and achieves high levels of esters / Com o crescimento e desenvolvimento da sociedade moderna, surge a necessidade de busca por novas mat?rias primas e por novas tecnologias que apresentem caracter?sticas limpas , e que n?o agridam o meio ambiente, mas que possam suprir as necessidades energ?ticas da ind?stria e do transporte. A Moringa ole?fera Lam, planta oriunda da ?ndia, e presente atualmente no Nordeste brasileiro, apresenta-se como uma planta multiuso, podendo ser utilizada como coagulante no tratamento de ?gua, como rem?dio natural e como mat?riaprima para a produ??o de biodiesel. Neste trabalho, a Moringa foi utilizada como mat?ria prima em estudos sobre os processos de extra??o e posteriormente na s?ntese de biodiesel. Foram realizados estudos sobre as diversas t?cnicas de extra??o do ?leo de Moringa (solventes, prensagem mec?nica e enzim?tica), sendo especialmente desenvolvido um planejamento experimental para a extra??o aquosa com o aux?lio da enzima Neutrase? 0,8L, com o objetivo de analisar a influ?ncia das vari?veis pH (5,5-7,5), temperatura (45-55?C), tempo (16-24 horas) e quantidade de catalisador (2-5%) sobre o rendimento de extra??o. Em rela??o ao estudo sobre a s?ntese de biodiesel, foi inicialmente realizada uma transesterifica??o convencional (50?C, KOH como catalisador, metanol e 60 minutos de rea??o). A seguir, foi realizado um estudo utilizando a t?cnica da transesterifica??o in situ por meio de um planejamento experimental utilizando como vari?veis a temperatura (30-60?C), quantidade de catalisador (2-5%), e raz?o molar ?leo/?lcool (1:420-1:600). A t?cnica de extra??o que obteve o maior rendimento de extra??o (35%) foi a que utilizou hexano como solvente. A extra??o utilizando etanol obteve 32% e a extra??o por prensagem mec?nica alcan?ou 25% de rendimento. Para a extra??o enzim?tica, o planejamento experimental indicou que o rendimento da extra??o foi mais afetado pelo efeito da combina??o entre a temperatura e tempo. O rendimento m?ximo obtido nesta extra??o foi de 16%. Ap?s a etapa de obten??o do ?leo, foi realizada a s?ntese de biodiesel pelo m?todo convencional e pela t?cnica in situ. Pelo m?todo de transesterifica??o convencional foi obtido um teor em ?steres de 100% e pela t?cnica in situ, tamb?m foi obtido 100% no ponto experimental 7, com uma raz?o molar ?leo/?lcool de 1:420, temperatura 60?C, 5% em massa de KOH, com o tempo de rea??o de 1,5 h. Pelo planejamento experimental, foi constatado que a vari?vel que mais influenciou no teor de ?steres final foi a porcentagem de catalisador. Pela an?lise f?sicoqu?mica foi observado que o biodiesel produzido pelo m?todo in situ se enquadrou nas normas da ANP, sendo, portanto esta t?cnica vi?vel, pois n?o necessita da etapa pr?via de extra??o do ?leo e alcan?a altos teores de ?steres
6

Ecogen?mica de archaea e monitoramento de comunidades de procariotos redutores de sulfato: aplica??es na ind?stria de petr?leo e g?s

Carvalho, Ci?xares Magalh?es 14 March 2008 (has links)
Made available in DSpace on 2014-12-17T14:10:15Z (GMT). No. of bitstreams: 1 CiaxaresMC.pdf: 595430 bytes, checksum: 97825450a670945169f3df28f7765add (MD5) Previous issue date: 2008-03-14 / The human activities responsible for the ambient degradation in the modern world are diverse. The industrial activities are preponderant in the question of the impact consequences for brazilian ecosystems. Amongst the human activities, the petroliferous industry in operation in Potiguar Petroliferous Basin (PPB) displays the constant risk of ambient impacts in the integrant cities, not only for the human populations and the environment, but also it reaches the native microorganisms of Caatinga ground and in the mangrove sediment. Not hindering, the elaboration of strategies of bioremediation for impacted areas pass through the knowledge of microbiota and its relations with the environment. Moreover, in the microorganism groups associated to oil, are emphasized the sulfate-reducing prokaryotes (SRP) that, in its anaerobic metabolism, these organisms participate of the sulfate reduction, discharging H2S, causing ambient risks and causing the corrosion of surfaces, as pipelines and tanks, resulting in damages for the industry. Some ancestries of PRS integrate the Archaea domain, group of microorganisms whose sequenced genomes present predominance of extremophilic adaptations, including surrounding with oil presence. This work has two correlated objectives: i) the detection and monitoring of the gene dsrB, gift in sulfate-reducing prokaryotes, through DGGE analysis in samples of mDNA of a mangrove sediment and semiarid soil, both in the BPP; ii) to relate genomic characteristics to the ecological aspects of Archaea through in silico studies, standing out the importance to the oil and gas industry. The results of the first work suggest that the petrodegraders communities of SRP persist after the contamination with oil in mangrove sediment and in semiarid soil. Comparing the populations of both sites, it reveals that there are variations in the size and composition during one year of experiments. In the second work, functional and structural factors are the probable cause to the pressure in maintenance of the conservation of the sequences in the multiple copies of the 16S rDNA gene. Is verified also the discrepancy established between total content GC and content GC of the same gene. Such results relating ribosomal genes and the ambient factors are important for metagenomic evaluations using PCR-DGGE. The knowledge of microbiota associated to the oil can contribute for a better destination of resources by the petroliferous industry and the development of bioremediation strategies. Likewise, search to lead to the best agreement of the performance of native microbiota in biogeochemical cycles in Potiguar Petroliferous Basin ecosystem / S?o diversas as atividades humanas respons?veis pela degrada??o ambiental observada no mundo moderno. As atividades industriais s?o preponderantes na quest?o das conseq??ncias impactantes para os ecossistemas brasileiros. Entre as atividades antr?picas, a ind?stria petrol?fera atuante na Bacia Petrol?fera Potiguar (BPP), exp?e a risco constante de impactos ambientais nos munic?pios integrantes, n?o s? as popula??es humanas e o meio ambiente, mas tamb?m atinge os microrganismos nativos do solo da Caatinga e no sedimento do manguezal. N?o obstante, a elabora??o de estrat?gias de biorremedia??o de ?reas impactadas perpassa, dentre outros aspectos, pelo conhecimento da microbiota e suas rela??es com o meio. Entre os grupos de microrganismos associados ao petr?leo, destacam-se os procariotos redutores de sulfato (PRS) que, em seu metabolismo anaer?bico, participam da redu??o do sulfato, liberando g?s sulf?drico, causando riscos ambientais e ocasionando a corros?o de superf?cies, como tubula??es e tanques, resultando em preju?zos para a ind?stria. Algumas linhagens de PRS integram o dom?nio Archaea, grupo de microrganismos cujos genomas seq?enciados apresentam predomin?ncia de adapta??es extremof?licas, incluindo ambientes com presen?a de petr?leo. Este trabalho tem dois objetivos correlacionados: i) detectar e monitorar o gene dsrB, presente em procariotos redutores de sulfato, por perfis de DGGE gerados a partir de amostras ambientais de mDNA do manguezal de Diogo Lopes, e do solo do semi-?rido da regi?o da BPP; ii) relacionar caracter?sticas gen?micas aos aspectos ecol?gicos de Archaea, ressaltando sua import?ncia para a ind?stria do petr?leo, atrav?s de estudos in silico. Os resultados do primeiro trabalho sugerem que as comunidades petrodegradadoras de PRS persistem ap?s a contamina??o por petr?leo em sedimento de manguezal e do solo do semi?rido. A compara??o entre as popula??es dos dois locais de amostragem revela que as mesmas apresentam varia??es em seu tamanho e composi??o ao longo de um ano de experimento. No segundo trabalho especula-se que fatores funcionais e estruturais s?o a causa da press?o para a manuten??o da conserva??o das seq??ncias nas m?ltiplas c?pias do gene 16S rDNA. Verifica-se tamb?m a discrep?ncia observada entre o conte?do GC total e conte?do GC do mesmo gene. Tais resultados relacionando genes ribossomais a fatores ambientais s?o importantes para avalia??es metagen?micas empregando PCR-DGGE. O conhecimento da microbiota associada ao petr?leo pode contribuir para uma melhor destina??o de recursos por parte da ind?stria petrol?fera e o desenvolvimento de estrat?gias de biorremedia??o. Outrossim, busca contribuir para o melhor entendimento da atua??o da microbiota nativa nos ciclos biogeoqu?micos em ecossistemas da Bacia Petrol?fera Potiguar
7

Analise dos impactos socioambientais da instalacao das unidades de bombeio de petroleo na area urbana de Mossoro - RN

Domingues, Marcela Galizia 06 March 2014 (has links)
Made available in DSpace on 2015-03-13T17:10:55Z (GMT). No. of bitstreams: 1 MarcelaGR_DISSERT.pdf: 2954725 bytes, checksum: 0494debe8f3938079df1e5d62d828b50 (MD5) Previous issue date: 2014-03-06 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico / O objetivo central desta pesquisa foi averiguar e analisar os impactos socioambientais decorrentes da instala??o das Unidades de Bombeio na ?rea urbana de Mossor? (RN), sistema utilizado para a extra??o de petr?leo. O petr?leo, junto ao sal e a fruticultura irrigada, formam o trip? da economia mossoroense. Sua descoberta foi central no processo de reestrutura??o urbana recente de Mossor?, transformando suas fun??es e atribuindo-lhe uma nova posi??o na hierarquia urbana. No contexto atual, em que as preocupa??es com o meio ambiente t?m alcan?ado maior visibilidade, bem como a sociedade civil procura reivindicar suas demandas de forma mais organizada, nos ocupamos da discuss?o acerca dos riscos trazidos pelas unidades de bombeio que encontram-se alocadas em ?reas de adensamento urbano. Para tanto, buscamos compreender como se d? a atua??o de dois grandes agentes produtores do espa?o urbano mossoroense: de um lado, a Petrobras, empresa de economia mista, de import?ncia global e com ineg?vel influ?ncia na cidade; de outro, o poder p?blico local, enquanto agente normativo e gestor do territ?rio municipal. Foi objetivo secund?rio dessa pesquisa, analisar as rela??es entre ambos os agentes, bem como o papel assumido por cada um deles, considerando a atividade petrol?fera em sua import?ncia econ?mica para a cidade, mas tamb?m em seu ?nus ambiental e social. Para tal, nos valemos das legisla??es ambientais e urbanas, analisadas em escala nacional, estadual e local, cujo objetivo era verificar o cumprimento destas por parte da Petrobras. Nos empenhamos tamb?m em averiguar sobre o entendimento da popula??o local acerca do significado real e simb?lico das unidades de bombeio
8

Tratamento de ?gua produzida utilizando a t?cnica combinada flocula??o/flota??o por ar dissolvido com mistura de polieletr?litos e moringa ole?fera / Treatment of produced water using combined technique flocculation/dissolved air flotation with the mix of polyelectrolyte and moringa ole?fera

Freitas, J?ssica Isabelle de Souza 29 July 2016 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-02-02T12:10:53Z No. of bitstreams: 1 JessicaIsabelleDeSouzaFreitas_DISSERT.pdf: 2915021 bytes, checksum: d55fbdf3b47d9ac4f3a9ba65f22a6c3f (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-02-07T16:31:25Z (GMT) No. of bitstreams: 1 JessicaIsabelleDeSouzaFreitas_DISSERT.pdf: 2915021 bytes, checksum: d55fbdf3b47d9ac4f3a9ba65f22a6c3f (MD5) / Made available in DSpace on 2017-02-07T16:31:25Z (GMT). No. of bitstreams: 1 JessicaIsabelleDeSouzaFreitas_DISSERT.pdf: 2915021 bytes, checksum: d55fbdf3b47d9ac4f3a9ba65f22a6c3f (MD5) Previous issue date: 2016-07-29 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / A ind?stria de petr?leo ? um dos setores com maior potencial de degrada??o ambiental, sendo a ?gua produzida o res?duo mais relevante. A complexa composi??o qu?mica e o elevado volume gerado deste efluente exigem um rigoroso controle e gerenciamento. Assim, antes de ser descartada, reinjetada em po?os ou para outra finalidade esta ?gua deve ser tratada de acordo com a legisla??o ambiental vigente. No que se refere ao tratamento de ?gua produzida para remo??o do teor de ?leos e graxas, a t?cnica combinada flocula??o/flota??o por ar dissolvido vem sendo bastante estudada. Na etapa de flocula??o vem sendo utilizado floculantes qu?micos convencionais de elevado custo e n?o-biodegrad?veis. Nesse contexto, avaliou-se a efici?ncia de remo??o do teor de ?leos e graxas da ?gua produzida atrav?s da t?cnica combinada flocula??o/flota??o por ar dissolvido utilizando a mistura de floculantes natural de Moringa ole?fera e dois floculantes comerciais ?C? e ?D? (j? utilizados na ind?stria), objetivando deixar a ?gua produzida nas condi??es de descarte. Os ensaios foram realizados segundo planejamento experimental para avalia??o estat?stica da influ?ncia da concentra??o total de floculante, tempo de mistura lenta e tempo de flota??o na efici?ncia de remo??o do teor de ?leos e graxas. Al?m disso, para cada mistura e suas respectivas propor??es estudadas, obtiveram-se modelos matem?ticos. O tratamento do efluente utilizando a mistura do floculante Moringa ole?fera e floculante comercial ?D?, com propor??o de mistura em base volum?trica 50:50%, atendeu os requisitos ambientais em todas as condi??es avaliadas; enquanto, nas mesmas condi??es, n?o foi poss?vel utilizando a mistura do floculante Moringa ole?fera e floculante comercial ?C?. Tamb?m verificou-se a efici?ncia de remo??o de ?leos e graxas com mistura do floculante Moringa ole?fera e floculante comercial ?D? com propor??o de mistura em base volum?trica 70:30% (respectivamente) sendo esta condi??o de interesse ambiental, uma vez que foi poss?vel atender os requisitos ambientais para descarte da ?gua produzida. Todas as misturas do floculante de Moringa ole?fera e floculantes comerciais ?C? e ?D? estudadas mostraram-se eficazes na adequa??o da ?gua produzida para descarte. Finalmente, avaliou-se o efeito potencializador da Moringa ole?fera sobre o floculante comercial ?D? na remo??o do teor de ?leos e graxas da ?gua produzida. / The Oil Industry is one of the sectors with greatest potential for environmental degradation and the produced water is the largest waste stream generated in this industry. The complex chemical composition and the high volume generated of this effluent hold a strict control and management. In accordance with current environmental legislation the water should be treated before final disposal, reuse or recycle including underground injected vapor to increase oil production. In view of the treatment of produced water for oil and grease content removal, the combined technique flocculation/dissolved air flotation has been extensively studied. In the flocculation step has been used high cost flocculants of chemical industry which are non-biodegradable. In this context it was evaluated the removal efficiency of oil and grease content from produced water by the combined technique flocculation/dissolved air flotation using Moringa Ole?iferaM.O) a natural flocculant blended with two commercial flocculants ?C? and ?D? (currently used in the oil industry), aiming to let the water produced in the disposal conditions. The experiments were conducted by means of statistical experimental design evaluating the influence of the total concentration of flocculants, slow mixing time and flotation time over the efficiency of oil and grease content removal. Moreover, for each mixture and their respective ratios studied, were obtained mathematical models. The effluent treatment using the mixture of Moringa ole?fera and commercial ?D? flocculants with mixing ratio of 50:50 (%, volume basis) achieved the environmental requirements in all conditions evaluated, while, under the same conditions it wasn?t possible using the mixture of Moringa Ole?fera and commercial ?C? flocculant. The oil and grease removal content efficiency using a mixing ratio of 70:30 (%, volume basis of M. O and commercial flocculant, respectively) showed to be an interesting condition to reach the environmental requirements for produced water disposal once all mixtures of Moringa Ole?fera and commercial flocculants ?C? and ?D? achieved satisfactory experimental results for produced water disposal. Finally, we evaluated the effect of improvement of Moringa ole?fera into commercial flocculant ?D? on oil and grease removal content efficiency.
9

Determina??o de macro e micro nutrientes de frutos de Moringa ole?fera Lamark (parede interna e externa da casca) e sementes

Vieira, Gleilson de Fran?a 28 March 2017 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-10-02T23:06:39Z No. of bitstreams: 1 GleilsonDeFrancaVieira_DISSERT.pdf: 2881693 bytes, checksum: de019e4ae58bc0869e88a50dad98acb6 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-10-06T23:52:19Z (GMT) No. of bitstreams: 1 GleilsonDeFrancaVieira_DISSERT.pdf: 2881693 bytes, checksum: de019e4ae58bc0869e88a50dad98acb6 (MD5) / Made available in DSpace on 2017-10-06T23:52:19Z (GMT). No. of bitstreams: 1 GleilsonDeFrancaVieira_DISSERT.pdf: 2881693 bytes, checksum: de019e4ae58bc0869e88a50dad98acb6 (MD5) Previous issue date: 2017-03-28 / A Moringa ole?fera Lam ? uma ?rvore de origem indiana com v?rias utilidades nas ?reas farmac?utica, de combust?veis, purifica??o de ?gua e principalmente aliment?cia. A planta tem um melhor desenvolvimento em locais de clima seco. A cultura do uso como alimento ? muito ampla em alguns pa?ses africanos e, com efetiva expans?o nos pa?ses latinos e asi?ticos, devido ao seu rico valor nutricional. Neste trabalho foram realizadas a determina??o de macro e micro nutrientes da parede interna e externa da casca, e sementes de duas ?rvores de moringa de mesma esp?cie, mas de localidades diferentes, existentes na UFRN e EAJ para se determinar os teores de umidade, cinzas, prote?nas, gorduras, carboidratos, fibras e metais. Fazer uma compara??o entre estas e tamb?m com outras an?lises feitas com a mesma planta de outras localidades. As duas amostras foram divididas em tr?s partes cada: parede interna e a externa da casca, e sementes, onde foram pulverizadas e mantidas em recipientes de polietileno. Depois do preparo das amostras, foram realizadas as determina??es de umidade e cinzas, lip?deos por extra??o com Soxhlet, prote?nas, pelo m?todo Kjeldahl. Fibras, com o equipamento para determinar fibras. Alguns metais (Ca, Co, Cu, Cr, Fe, Mg, Mn, Mo, Ni, K, Se, Si, Na e Zn) por ICP-OES, al?m de fazer FTIR-ATR e TG/DSC. Os resultados obtidos mostraram um ?timo teor de lip?deos nas sementes (29,26 ? 35,83%), enquanto que na parede interna e externa das cascas, os teores foram baixos em compara??o com as sementes (0,4 ? 1,2 %). Os teores de prote?nas tiveram um alto valor nas sementes (30,46 - 34,57%), enquanto que as paredes internas e externas das cascas tiveram um teor bem mais baixo (3,54 ? 6,53%). Os teores de fibras das sementes (64,19 ? 70,76%), da parte interna e externa (72,18 ? 85,59%). Os teores de carboidratos tiveram um alto valor na parede interna e externa da casca (70,89 ? 82,72%), enquanto que nas sementes os teores foram baixos (19,41 ? 29,09%). Os metais encontrados nas sementes das duas amostras foram Ca, Cu, Fe, Mg, Mn, K, Na e Zn e os metais encontrados na parede interna e externa da casca foram Ca, Cu, Fe, Mg, Mn, K, Na Si e Zn. A m?dia dos resultados das an?lises foi submetida ao teste t Student em par, com 95 % de signific?ncia para saber se h? diferen?a significativa ou n?o. Os resultados encontrados s?o importantes para compara??es com pesquisas futuras, de ?rvores de mesma esp?cie de outras localidades e ambientes diferentes e, tamb?m, para ser elaborada uma tabela nutricional da casca e sementes de moringa para usos futuros. / The Moringa oleifera Lam is a tree of Indian origin with several utilities in the areas of pharmaceutics, fuels, water purification and mainly food. The plant has a better development in dry climates. The culture of use as food is very broad in some African countries and with widespread expansion in Latin and Asian countries because of its rich nutritional value. In this work were realized the determination of macro and micronutrients of the internal and external wall of the bark, and seeds of two Moringa trees of the same species, but of different localities, existents in the UFRN and EAJ to determine the contents of moisture, ash, proteins, fats, carbohydrates, fiber and metals. Make a comparison between these and, if possible, compare with other analyzes made with the plant from other locations. The two samples were divided into three parts each: internal and external wall of the shell, and seeds, where they were sprayed and kept in polyethylene containers. After preparation of the samples, were carry out moisture and ash determinations, lipid extraction by Soxhlet, Proteins, by the Kjeldahl method. Fibers, with the equipment to determine fibers. Some metals (Ca, Co, Cu, Cr, Fe, Mg, Mn, Mo, Ni, K Se, Si, Na e Zn) by ICP-OES, in addition to making FTIR-ATR and TG/DSC. The results obtained showed an optimum lipid content in the seeds (29,26 - 35.83 %), while in the inner and outer wall of the shells, the contents were low compared to seeds (0,4 ? 1,2 %). Protein contents had a high value in the seeds (30,46 and 34,57%), while the internal and external walls of the peels had a much lower content (3,54 ? 6,53%). The fiber contents of the seeds (64,19 ? 70,76%), of the internal and external wall (72,18 ? 85,59%). Carbohidrate contents had a high value in the internal and external part of the bark (70,89 ? 82,72%), while in the seeds the contents were low (19,41 ? 29,09%). The metals found in the seeds of the two samples were Ca, Cu, Fe, Mg, Mn, K, Na and Zn and the metals found on the inside and outside of the bark were Ca, Cu, Fe, Mg, Mn, K, Na, Si and Zn. The mean of the results of the analyzes was submitted to the paired Student t test, with 95% significance to know if there was a significant difference or not. The results found are important for comparisons with future research for camparisons with future research, of trees of the same species from other localities and different environments, and also to elaborate a nutritional table of seeds and moringa shells for future use.
10

A regulamenta??o do sistema de certifica??o de conte?do local na ind?stria do petr?leo como instrumento de desenvolvimento nacional

Guerra, Renato Morais 21 March 2017 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-10-04T22:09:48Z No. of bitstreams: 1 RenatoMoraisGuerra_DISSERT.pdf: 11801338 bytes, checksum: 4f7048775f7af1df51175e7484db36de (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-10-12T00:12:36Z (GMT) No. of bitstreams: 1 RenatoMoraisGuerra_DISSERT.pdf: 11801338 bytes, checksum: 4f7048775f7af1df51175e7484db36de (MD5) / Made available in DSpace on 2017-10-12T00:12:36Z (GMT). No. of bitstreams: 1 RenatoMoraisGuerra_DISSERT.pdf: 11801338 bytes, checksum: 4f7048775f7af1df51175e7484db36de (MD5) Previous issue date: 2017-03-21 / O presente trabalho tem por contexto o desenvolvimento e suas percep??es, tido como elemento jur?dico integrador do sistema de normas brasileiras, especialmente diante de sua predile??o em todo o corpo Constitui??o da Rep?blica. Sua conceitua??o transborda o crescimento num?rico da economia e tangencia a concep??o senesiana que conjuga desenvolvimento e liberdade. Essa inser??o serve ? investiga??o das origens e dos prop?sitos da pol?tica brasileira de Conte?do Local no setor de petr?leo. Essa descoberta leva inexoravelmente ao sistema de certifica??o de Conte?do Local, logo percebido como ferramenta ? disponibilidade do desenvolvimento do pa?s. Abordar-se-?, ao longo da pesquisa, a rela??o intuitiva entre a Constitui??o e o Desenvolvimento, no contexto da ind?stria energ?tica petrol?fera, bem como a inclus?o do sistema de certifica??o nesse bin?mio, al?m dos pr?prios comandos constitucionais que guardam particular interesse n?o s? com a promo??o do desenvolvimento da ind?stria e do pa?s, mas tamb?m com a pr?pria legitimidade a pol?tica de Conte?do Local, de modo que o seu sistema de certifica??o deixa de estar ? disponibilidade e passa a ser instrumento do interesse p?blico desenvolvimentista. O alcance desses objetivos se dar? com a ado??o dos processos metodol?gicos dedutivo e dial?tico e de t?cnicas de coleta de documenta??o indireta, com pesquisa documental e pesquisa bibliogr?fica, m?todos que revelar?o as lacunas hodiernamente existentes no modelo posto, sobretudo diante da n?o consecu??o dos desideratos desenvolvimentistas pensados no in?cio da pol?tica, dado o alto ?ndice de n?o cumprimento da cl?usula de Conte?do Local. / This present work has as its context the development and its perceptions, all in the intente of framing it as integrating juridical element of the Brazilian system of norms, especially with its predilection by the Constitution. Your conceptualization overflows the numeric growth of the economy and tangents the Senesian conception that combines development and freedom. This insertion serves to investigate the origins and purposes of the Brazilian local content policy in the petroleum sector. This discovery leads inexorably to the local content certification system, soon perceived as a tool for the availability of the country's development. To this purpose, an intuitive relationship between the Constitution and Development will be tackled throughout the research, all in the context of the oil industry, not only with a promotion of the development of industry and the country, but also with a political legitimization of Local content, so that your certification system is no longer available and passes through an instrument of public interest. These objectives will be achieved through the adoption of deductive and dialectical methodological processes and indirect documentation collection techniques, with documentary research and bibliographical research, methods that will reveal the existing gaps in the model post, especially in the face of the failure to achieve the developmentalist ideals thought at the beginning of the policy, given the high rate of non-compliance with the Local Content clause. It is intended to emphasize the developmental aspect of this system, establishing it as the ultimate goal of the local content policy, proposing, moreover, a more protective model and closely linked to the fundamental objectives of the Republic of guaranteeing national development and the reduction of regional inequalities.

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