Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-06-02T23:08:22Z No. of bitstreams: 1 JeanneRaquelDeAndradeFranco_DISSERT.pdf: 3675339 bytes, checksum: 97a2dabc11a0348c6acf6db2de294e5d (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-06-12T19:27:50Z (GMT) No. of bitstreams: 1 JeanneRaquelDeAndradeFranco_DISSERT.pdf: 3675339 bytes, checksum: 97a2dabc11a0348c6acf6db2de294e5d (MD5) / Made available in DSpace on 2017-06-12T19:27:50Z (GMT). No. of bitstreams: 1 JeanneRaquelDeAndradeFranco_DISSERT.pdf: 3675339 bytes, checksum: 97a2dabc11a0348c6acf6db2de294e5d (MD5) Previous issue date: 2017-02-14 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Manguezais s?o ecossistemas costeiros e estuarinos que pertencem a climas quentes e temperados ou tropicais ?midos, s?o dominados por esp?cies lenhosas, fornecem importantes bens e servi?os ecossist?micos e possuem valor socioecon?mico. Os manguezais s?o sens?veis a dist?rbios e est?o em constante processo de degrada??o devido ? carcinicultura e ao desenvolvimento urbano. Intera??es entre indiv?duos vegetais podem resultar em competi??o e facilita??o interferindo no crescimento, no padr?o de distribui??o e na sobreviv?ncia das plantas, al?m de modificar caracter?sticas f?sico-qu?micas do ambiente. Vari?veis abi?ticas e bi?ticas interagem permitindo an?lise da adapta??o das esp?cies em diferentes condi??es ambientais, podendo tamb?m inferir sobre a intensidade de degrada??o. O objetivo geral do estudo foi identificar os principais fatores limitantes no crescimento e na sobreviv?ncia de plantas de Rhizophora mangle L. (Rhizophoraceae) em dois ambientes dominados pela esp?cie e localizados em ?rea de carcinicultura, sendo um com presen?a de ?rvores e copa fechada, e outro aberto com plantas jovens e subarbustivas. Foram realizados dois monitoramentos com sele??o de parcelas e plantas em cada ambiente, totalizando 90 indiv?duos, para quantificar o crescimento ao longo do tempo atrav?s de medidas da altura, n?mero de ramos e di?metro a 30 cm do solo. Para as vari?veis abi?ticas foram feitas medidas da temperatura e pH do solo, luminosidade, salinidade, velocidade do vento, temperatura do ar e penetrabilidade do solo nas parcelas de cada ambiente aberto e fechado por 12 meses. Indiv?duos adultos de R. mangle foram competidores interferindo no crescimento de plantas jovens da mesma esp?cie atrav?s da limita??o de luz e do estresse advindo do ac?mulo de sedimentos. Em ambiente aberto, com plantas jovens apresentando mesma idade e distribu?das de forma agregada, ocorreu facilita??o com redu??o de condi??es estressantes devido ? maior incid?ncia de radia??o solar e temperatura desse ambiente, e tamb?m competi??o atrav?s de alta densidade de plantas. Devido a essas intera??es positivas e negativas agindo simultaneamente, o efeito final da densidade-depend?ncia no crescimento de plantas do ambiente aberto foi neutro. Al?m disso, temperaturas m?dias de 30?C, pH do solo com valores entre 5,5 e 6,5 e salinidade com cerca de 35 ppm foram fatores que beneficiaram o crescimento das plantas ao longo do tempo em ambiente aberto atrav?s da fotoss?ntese, de adapta??es fisiol?gicas e poss?vel melhor assimila??o de nutrientes do solo. Esses resultados ajudaram a entender as caracter?sticas ambientais que facilitam e interferem na recupera??o de ?reas degradadas pela carcinicultura. / Mangroves are ecosystems coastal and estuarine belonging to warm and temperate climates and wet tropics, mangroves are dominated by woody species, provide important ecosystem goods and services and have socioeconomic value. Mangroves are sensitive to disturbances and are constantly being degraded due to shrimp farming and to urban development. Interactions between plant individuals may result in competition and facilitation by interfering on the plant growth, pattern of distribution and plant survival, besides modifying physical-chemical characteristics of the environment. Abiotic and biotic variables interact allowing the analysis of the adaptation of the species in different environmental conditions and also about the intensity of degradation. The main objective of the study was to identify the main limiting factors on the growth and survival of Rhizophora mangle L. (Rhizophoraceae) plants in two environments dominated by this specie and located in the shrimp farming area, one with trees and closed canopy, and another open with young and sub-shrub plants. Two monitoring were carried out with selection of plots and plants in each environment, totaling 90 individuals, to quantify the growth over time by means of measures of height, number of branches and diameter at 30 cm. For the abiotic variables, measurements of soil temperature and pH, luminosity, salinity, wind velocity, air temperature and soil penetrability were taken in the plots of each open and closed environment for 12 months. Adult individuals of R. mangle were competitors interfering in the growth of young plants of the same species through the limitation of light and of the stress coming from the accumulation of sediments. In the open environment, with young plants presenting the same age and distributed in an aggregated way, facilitation occurred with reduction of stressful conditions due to the higher incidence of solar radiation and temperature of this environment, and also competition through high density of plants. Due to these positive and negative interactions acting simultaneously, the final effect of density dependence on plant growth of the open environment was neutral. However, mean temperatures of 30?C, soil pH values between 5.5 and 6.5 and salinity with about 35 ppm were factors that benefited the growth of the plants over time in open environment through photosynthesis, of physiological adaptations and possible better assimilation of soil nutrients. These results helped to understand the environmental characteristics that facilitate and interfere the recovery of areas degraded by shrimp farming.

Made available in DSpace on 2014-12-17T15:38:53Z (GMT). No. of bitstreams: 1 HeloisaKCS_DISSERT.pdf: 1122622 bytes, checksum: deb681a00b9e4783f5bbe27f6cccc4a1 (MD5) Previous issue date: 2011-05-20 / This study has as main objectives to translate and to adapt the MCMI-III to brazilian Portuguese, as well as investigate and analyze the involved modifications in the Alcohol Dependence Scale concerning to the results obtained on the validity and on the process of adaptation to Brazil. The inventory was translated and, posteriorly, applied on people with different reading levels to certify that the items are understandable to public in general, from diverse places of the country, divided into clinical and non-clinical groups. Were evaluated 2855 subjects between the ages of 18 and 85 years old, male and female, resident and dwellers of Brazilian cities. The application methods were face-to-face and computerized. Results showed that the clinical group presented significant differences between the means in comparison to the non-clinical group. Through the application of the General Health Questionnaire were developed studies related to the achievement of convergent validity and its results pointed to the relation between the instrument scores and the MCMI-III. The Alcohol Dependence Scale analysis indicated that people who reported abusive use of alcohol had highest scores, indicating adequacy of the instrument on identifying manifestation of disorders and syndromes. Nevertheless, further studies are necessary to the establishment of normative patterns to the Brazilian sample / Esse estudo tem como principais objetivos traduzir e adaptar o MCMI-III para o portugu?s brasileiro, bem como investigar e analisar as modifica??es envolvidas na escala de Depend?ncia de ?lcool do instrumento original em rela??o aos resultados obtidos na validade e no processo de adapta??o para o Brasil. O invent?rio foi traduzido e posteriormente administrado em pessoas com n?veis variados de leitura para certificar-se de que os itens pudessem ser compreendidos pelo p?blico em geral, de diversos locais do pa?s, divididos em grupo cl?nico e grupo n?o cl?nico. Foram avaliados 2855 sujeitos com idades de 18 a 85 anos, dos sexos feminino e masculino, residentes e domiciliados em cidades brasileiras. As formas de administra??o foram modo presencial e modo informatizado. Os resultados demonstraram que o grupo cl?nico apresentou diferen?as significativas entre as m?dias com rela??o ao grupo n?o cl?nico. Por meio da administra??o do Question?rio Geral de Sa?de desenvolveram-se estudos quanto ? obten??o de validade convergente cujos resultados apontaram a rela??o entre os escores desse instrumento e o MCMI-III. A an?lise da escala de Depend?ncia do ?lcool apontou que pessoas que relataram ter feito uso abusivo de ?lcool pontuaram mais alto, indicando a adequa??o do instrumento em identificar manifesta??es de transtornos e s?ndromes. Contudo, ainda s?o necess?rios estudos posteriores para estabelecimento de padr?es normativos para a amostra brasileira

Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2017-01-09T10:11:25Z No. of bitstreams: 1 2014 - Joel Quintino de Oliveira Junior.pdf: 986333 bytes, checksum: 680ec4322bce52cb9979155c6978ea36 (MD5) / Made available in DSpace on 2017-01-09T10:11:25Z (GMT). No. of bitstreams: 1 2014 - Joel Quintino de Oliveira Junior.pdf: 986333 bytes, checksum: 680ec4322bce52cb9979155c6978ea36 (MD5) Previous issue date: 2014-02-28 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Leguminosae comprises a wide variety of species that form symbiosis with mycorrhizal fungi (AMF), and mostly with nitrogen fixing bacteria. Within this frame fits the group Pitadenia encompassing genres: Mimosa , Piptadenia , Parapiptadenia , Anadenathera , Pseudopiptadenia , Microlobius , Stryphnodendron and Adenopia , comprising over 500 species, of which most are found in the New World , especially in Brazil . Their habits vary from tree and herbaceous species to thrive in flooded, dry, high altitude grasslands , savanna ecosystems among other areas . Are well known and used in the rehabilitation of degraded soils by their aggressiveness and ability to grow under adverse soil conditions. Results indicate that in some species of this group only nodulated with the presence of mycorrhizal fungi. Legumes use for the realization of these two symbioses very similar molecular mechanisms and some of leguminous species from the subfamily Mimosoideae show atypical and high potential exploration of evolutionary symbiosis between the two skills. The objective of this work is to investigate and confirm this dependence of the presence of arbuscular mycorrhizal fungi for nodulation and nitrogen fixation in species group Piptadenia nodulated by Burkholderia sp . under controlled conditions / A fam?lia Leguminosae compreende um imensa variedade de esp?cies que formam simbiose com fungos micorr?zicos arbusculares (FMAs) e, em sua grande maioria, com bact?rias fixadoras de nitrog?nio. Dentro desse quadro se encaixa o grupo de Pitadenia que engloba os g?neros: Mimosa, Piptadenia, Parapiptadenia, Anadenathera, Pseudopiptadenia, Microlobius, Stryphnodendron e Adenopia, compreendendo mais de 500 esp?cies, sendo que a maioria delas ? encontrada no novo mundo, em especial no Brasil. Seus h?bitos variam desde esp?cies herb?ceas at? arb?reas e se desenvolvem em ?reas alagadas, secas, campos de altitude, cerrado entre outros ecossistemas. S?o bem conhecidas e utilizadas na reabilita??o de solos degradados por sua agressividade e capacidade de se desenvolver nas mais adversas condi??es ed?ficas. Resultados indicam que em algumas esp?cies desse grupo s? nodulariam com a presen?a de fungos micorr?zicos. As leguminosas usam para a realiza??o dessas duas simbioses mecanismos moleculares muito similares e algumas dessas esp?cies de leguminosas nativas da subfam?lia Mimosoideae mostram habilidades at?picas e com alto potencial de explora??o evolucion?ria entre as duas simbioses. O objetivo deste trabalho ? investigar e confirmar essa depend?ncia da presen?a de fungos micorr?zicos arbusculares para a nodula??o e fixa??o biol?gica de nitrog?nio em esp?cies do grupo de Piptadenia noduladas por Burkholderia sp. sob condi??es controladas

<p>Proučavane su koroziona postojanost i tendencija lepljenja različitih<br />materijala u kontaktu sa tečnom Al&ndash;Si&ndash;Cu legurom. Ispitivanjem su<br />obuhvaćeni čelik za rad na toplo, plazma nitrirani čelik i dupleks<br />slojevi sa CrN, TiAlN, TiAlSiN i CrAlN prevlakama, različitog nivoa<br />površinske hrapavosti. Za ispitivanja pomenutih fenomena<br />primenjena je metoda izvlačenja, koja je unapređena kako bi se povećale<br />njena tačnost i verodostojnost simulacije procesa livenja. Korozioni<br />efekti su pojačani tako što su uzorci osim kratkog kontakta sa odlivkom<br />zadržavani i u dužim periodima u kontaktu sa tečnom legurom (5 i 20<br />min). Uprkos opštim stavovima, za ispitivane materijale je<br />ustanovljeno da su sile izvlačenja uzoraka iz Al&ndash;Si&ndash;Cu odlivaka<br />nezavisne od njihovog hemijskog sastava. Uticaj hrapavosti je izražen<br />kod uzoraka sa prevlakama kod kojih pri smanjenju hrapavosti dolazi do<br />povećanja sile izvlačenja. Sve ispitane prevlake su sklone mehaničkom<br />lepljenju Al&ndash;Si&ndash;Cu legure za svoje površine, ali sa aspekta korozije u<br />tečnom metalu značajno prevazilaze performanse čelika i plazma<br />nitriranog sloja. Duži kontakt livene legure sa površinama prevlaka<br />uzrokovao je niže vrednosti sila izvlačenja, što je posledica<br />oksidacije površina prevlaka. Ustanovljeno je da su ispitivane<br />prevlake inertne ka tečnoj leguri aluminijuma. Međutim, dolazi do<br />oksidacije i korozije materijala podloge kroz greške rasta koje su<br />prisutne u prevlakama. Stečena znanja o identifikovanim<br />mehanizmima habanja i propadanja zaštitnih slojeva prevlaka<br />poslužiće daljem razvoju dupleks slojeva namenjenih za zaštitu alata<br />za livenje pod pritiskom.</p> / <p>Corrosion resistance and soldering tendency of different materials in molten<br />Al&ndash;Si&ndash;Cu alloy were studied. Hot-working tool steel, plasma nitrided steel and<br />duplex layers with CrN, TiAlN, TiAlSiN and CrAlN top coatings, which were<br />produced to various degree of surface roughness, were covered by the study.<br />An ejection test was employed for investigation of the concerned phenomena.<br />The ejection test was improved in order to increase its accuracy and the<br />reliability of process simulation. Samples were examined in both short and<br />extended periods of contact (5 and 20 min) with liquid casting. Casting<br />solidification was extended in order to intensify the corrosion effects. Contrary<br />to common findings, it was found that the ejection force of the investigated<br />materials does not depend on their chemical composition. For the coated<br />samples, a pronounced dependence of the ejection force on the surface<br />roughness was found. The ejection force increases with decrease in surface<br />roughness. All investigated coatings are prone to mechanical soldering by Al&ndash;<br />Si&ndash;Cu alloy. Still, their corrosion resistance substantially exceeds the corrosion<br />resistance of steel and plasma nitrided layer. Longer exposure of coated<br />samples to cast alloy induced lower ejection forces, which is a consequence<br />of coatings oxidation. It was found that the investigated coatings are inert to<br />liquid aluminium. However, the underlying material undergoes oxidation and<br />corrosion through coating growth defects. The findings concerning the wear<br />mechanisms of protective layers support further development of duplex layers<br />intended for die casting tools protection.</p>

SLOVENE NATIONAL THEATRE IN LJUBLJANA Author Report Of The Diploma Work Author: Bc. Petr Hýl Supervisor: doc. ing. arch. Zdeněk Makovský