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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.
221

Interação de progênies de alface do grupo americano por épocas de cultivo

Hotta, Luiz Fernando Kenyti [UNESP] 15 August 2008 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:26:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-08-15Bitstream added on 2014-06-13T18:30:16Z : No. of bitstreams: 1 hotta_lfk_me_botfca.pdf: 441268 bytes, checksum: e9f6664417651d4009869d162e87fd48 (MD5) / Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) / Outra / O objetivo do presente trabalho foi estudar a existência de interação genótipo x ambiente em alface do grupo americano, visando à seleção de progênies superiores, com adaptação geral ou específica a diferentes épocas de cultivo, em comparação com as cultivares comerciais. Os experimentos foram conduzidos na Estação Experimental de Bragança Paulista – E.E.B.P, pertencente à Sakata Seed Sudamerica Ltda, localizada no município de Bragança Paulista - SP. O delineamento experimental utilizado foi o de blocos ao acaso, com 3 repetições e 20 plantas por parcela. Os tratamentos foram constituídos de 44 progênies de alface do grupo americano e oito cultivares comerciais (Laurel, Lucy Brown, Manara, Rafaela, Raider, Raider Plus, Rubette e Tainá), totalizando 52 tratamentos, semeados em três épocas, julho, novembro e abril, representando os cultivos de inverno, verão e outono, respectivamente. Todas as progênies utilizadas foram originárias do programa de melhoramento de alface que vem sendo realizado na área de Melhoramento Vegetal do Departamento de Produção Vegetal, da Faculdade de Ciências Agronômicas, Campus de Botucatu – UNESP. As progênies foram obtidas por seleção em gerações segregantes de diferentes cruzamentos entre cultivares americanas no período de 2000 a 2005, encontrando-se nas gerações F6 e F7. As avaliações e as colheitas dos experimentos foram realizadas quando as cultivares atingiram o máximo crescimento vegetativo, com cabeças compactas e grandes. As características avaliadas foram: Uniformidade, porcentagem de saia, porcentagem de cabeças comerciais, massa fresca, diâmetro transversal, compacidade, cobertura das cabeças, ‘ribness’, ombro e comprimento do coração. Para as características uniformidade, compacidade, cobertura das cabeças, ‘ribness’ e ombro, foram utilizados escalas subjetivas de notas variando de 1 a 5... / The objective of the present study was to assess the existence of the genotype x environment interaction in lettuce of the American group in order to select the superior lineages, with general or specific adaptation to different crop times, in comparison with the commercial cultivars. The experiments were led in the Experimental Station of Bragança Paulista - E.E.B.P, of the Sakata Seed Sudámerica Ltda in Bragança Paulista, SP - Brazil. The used experimental outline was of randomized blocks, with 3 replications and 20 plants per lot. The treatments constituted of 44 lineages of lettuce of the American group and eight commercial cultivars (Laurel, Lucy Brown, Manara, Rafaela, Raider, Raider Plus, Rubette and Tainá), totalizing 52 treatments, sown at three times (July, November and April) representing the winter, summer and autumn crops, respectively. All the used lineages were from the program of lettuce improvement that is carried out in the area of Vegetal Improvement of the Department of Production Vegetal, Agronomy School, Botucatu Campus, UNESP, Brazil. The lineages were obtained from selection of segregating generations of different crossings between American cultivars in the period of 2000 to 2005, F6 and F7 generations. The evaluations and the harvests of the experiments were carried out when the cultivars reached maximum vegetative growth, with big and compact heads. The evaluated characteristics were: uniformity, percentage of the skirt, percentage of commercial heads, fresh mass, transversal diameter, compacticity, crowning of the heads, ribness, shoulder and length of the heart. For the characteristics uniformity, compactcity, cowning of the heads, ribness and shoulder, a subjective range of marks varying 1 to 5 was used.The data was submitted to group analysis in order to detect possible genotypes interactions with the environment...(Complete abstract click electronic access below)
222

Diversidade genética em populações de Myracrodruon urundeuva (F.F. & M.F. Allemão) utilizando caracteres quantitativos

Canuto, Daniela Sílvia de Oliveira [UNESP] 29 January 2009 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:35:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-01-29Bitstream added on 2014-06-13T21:07:44Z : No. of bitstreams: 1 canuto_dso_dr_ilha.pdf: 546568 bytes, checksum: 277ddfa04a5cb5726a68fcc227b176bd (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / A aroeira Myracrodruon urundeuva (F.F. & M.F. Allemão) é conhecida pela extraordinária durabilidade e resistência de sua madeira, possui reconhecido valor econômico e apresenta diversas aplicações, entre elas, a confecção de esteios, postes moirões e dormentes, extração de tanino e bálsamo. Seis populações da espécie estão sendo conservadas ex situ em delineamentos experimentais na Fazenda de Ensino, Pesquisa e Extensão da FEIS/UNESP, em Selvíria-MS, onde se pretende ampliar a base genética, recombinar a variabilidade genética e produzir sementes para reflorestamentos. Das seis populações duas são procedentes de área com pouca perturbação antrópica: Estação Ecológica do Instituto Florestal em Paulo de Faria-SP e Estação Ecológica do Seridó em Serra Negra do Norte-RN. As outras quatro são de área com forte perturbação antrópica: Bauru-SP, Itarumã-GO, Petrolina-PE e Selvíria-MS. Dessa forma, foram avaliados nove testes de progênies de M. urundeuva para caracteres quantitativos empregando-se a metodologia REML/BLUP (máxima verossimilhança restrita / melhor predição linear não viciada), assumindo que as progênies são parentes no grau de meios-irmãos e a metodologia MHPRVG para a análise de adaptabilidade e estabilidade nos testes de progênies provenientes da Estação Ecológica de Paulo de Faria em quatro sistemas de plantio (ambientes) diferentes. Este trabalho permitiu estudar os caracteres de desenvolvimento silvicultura nos testes de progênies, a variabilidade genética, o ganho de seleção a partir do Índice Multiefeito, a propagação sexuada e assexuada, a sobreposição de geração e a estabilidade e adaptabilidade das progênies de M. urundeuva. Verificou-se que as progênies de M. urundeuva em relação aos caracteres silviculturais analisados: altura total, diâmetro médio da copa (DMC), diâmetro à altura do peito (DAP)... / The aroeira Myracrodruon urundeuva (F.F. & M.F. Allemão) has been known for the extraordinary durability and resistance of its wood, it has recognized economic value and presents several uses, as for, posts, and sleepers, tannin extraction, and balm. Six populations of the species has been conserved by ex situ design in Experimental Station of Education, Research, and Extension of FEIS/UNESP, in Selvíria-MS Brazil, where to intend to enlarge the genetic base, mix up the genetic variability and to produce seeds for reforestations. Two out of six populations are coming from sites with little anthopic disturbance: Ecological Station of the Instituto Forestal in Paulo de Faria-SP, Brazil and Ecological Station of Seridó in Serra Negra- RN, Brazil. The others four are from sites with large anthopic disturbance: Bauru-SP, Itarumã-GO, Petrolina-PE and Selvíria-bad. In that way, were evaluated nine progeny trial of M. urundeuva to study the traits using the methodology of REML/BLUP (máxima verossimilhança restrita/melhor predição linear não viciada), stating that the are half site and the MHPRVG methodology for the adaptability and stability analyses by trials from Ecological Station of Instituto Florestal of Paulo de Faria by four different plantation systems (atmospheres). This research to study the traits of development forestation in the progeny trials, the genetic variability, the selection gain starting by Index Multi-effects´, the propagation sexual and assexual, Superiority of elite trees in relationship of the progenies and the stability and adaptability of the progenies of M. urundeuva. Verified that the progenies of M. urundeuva in relation to the traits analyzed silviculturais: total height, medium diameter of the cup (DMC), diameter to the height of the chest (DAP) they had a satisfactory development, and the progenies originating from of the Ecological Station... (Complete abstract click electronic access below)
223

Compartilhamento de modelos de alunos via ontologia e web services / Sharing learner model through a ontology and web services

Musa, Daniela Leal January 2006 (has links)
O desenvolvimento de sistemas de ensino a distância (EaD) adaptativos vêm sendo o alvo de pesquisa nos últimos anos, porém uma das carências mais importantes é que estes sistemas não possuem dados suficientes que descrevam o aluno, de modo a realizar a adaptação adequada. Uma das grandes dificuldades no processo é a aquisição desses dados. Normalmente para a realização de um curso em um sistema de EaD na Web, o aluno, entre outras atividades, deve cadastrar-se no sistema e informar seus dados pessoais. Alguns sistemas possuem mecanismos para descoberta das preferências do aluno, seu estilo de aprendizagem ou estilo cognitivo, visando oferecer um ensino personalizado. Porém, se este mesmo aluno se matricular em outro curso que utilize outro sistema de EaD na Web, todas essas informações não são repassadas de um sistema para o outro e acabam sendo informadas ou descobertas novamente. Portanto, os sistemas não colaboram entre si no sentido de tornar as informações sobre os alunos mais completas. Quanto mais variada for a informação que os sistemas tiverem sobre os alunos, o modelo do aluno em cada sistema estará mais completo e, conseqüentemente, a adaptabilidade do conteúdo ao seu perfil, mais eficiente. O objetivo principal desta tese é solucionar a problemática associada ao gerenciamento de dados contidos no modelo de aluno quando compartilhadas entre vários ambientes de ensino a distância (EaD). Como solução, esta tese propõe o modelo LPEM (Learner Profile Exchange Model) que define as estratégias que regem o compartilhamento de dados de modelos de aluno entre diversos sistemas. O diferencial do modelo está no uso de uma ontologia (OntoLearner), baseada em padrões, para a troca de dados. A especificação da ontologia OntoLearner também consiste em uma contribuição da tese, e pode ser utilizada no contexto de qualquer sistema desse mesmo domínio. Um subconjunto relativo as principais funcionalidades do modelo foi implementado, para isso também foi definida nesta tese a especificação física do modelo, que oferece as funcionalidades do modelo na forma de Web services. Uma arquitetura orientada a serviços também é descrita na tese e serve de referencia para implementação do modelo LPEM. O protótipo serviu de indicativo para comprovar que a solução proposta é possível de ser implementada, gerando os resultados esperados quanto ao compartilhamento dos dados. / The development of adaptive systems has been the target of some research works over the last years. However, an important lack to be considered is that these systems do not have enough information about the student in order to provide an adequate adaptation. One of the most important drawbacks for this lack is the difficulty of acquiring such information. New learners of an e-learning system are normally required to update their personal information before proceeding in one of the offered courses. Some systems are able to adapt its course content presentation using some techniques that discover the learner’s preferences, level of previous knowledge, and cognitive style. However, this important information about learners is not shared among different e-learning systems. This forces the learner to fill cumbersome forms in each new system, and also forces each new systems to analyze and process new learner’s behavioral information. By consequence, current systems do not collaborate with each other in order to enrich the information related to users of different e-learning systems. Considering these problems, the main objective of this thesis is to address the problem of data management within the learner’s model when data are shared among different e-learning systems. In this thesis we propose the LPEM (Learner Profile Exchange Model) model, which defines the strategies to share the learner’s data model among the different systems. The main contribution of the proposed model is the use of an ontology, named OntoLearner, which is based on standards for data exchange. The ontology OntoLerarner is a contribution as well, since it has been developed for LPEM but can be used by any other system in this domain. A subset of the main functionalities of the proposed model was implemented. For that purpose, the physical model was defined in order to provide a functionalities model for Web Services. The prototype shows that the proposed solution can be implemented, generating the results expected for data sharing.
224

Critérios para seleção de conexões em mobiliário orientado para adaptabilidade

Gondim, Cristina January 2010 (has links)
Principais investimentos no Design para Adaptabilidade do mobiliário contemporâneo têm envolvido características como multiplicidade de funções, capacidade de atualização, personalização e compartilhamento de componentes. Tais características vêm permitindo a adaptação do mobiliário às rápidas transformações comportamentais e tecnológicas surgidas nos espaços domésticos e de trabalho. As conexões entre componentes do projeto do mobiliário são fortemente responsáveis por sua adaptabilidade tanto na fase criativa como na fase de uso. Esta dissertação parte da hipótese de que o processo de escolha das conexões, hoje pouco estruturado, pode ser feito a partir de métodos que não só estimulem a fase criativa do projeto como também contribuam para ampliar o desempenho adaptativo do mobiliário. Para avaliar diferentes tipos de conexão foram elaborados critérios para identificar o potencial compositivo de arranjos entre componentes (flexibilidade) relacionando-o à gama de funções emergentes (versatilidade). O resultado desta identificação foi testado por especialistas e validado através de ferramenta multicritério (Método Analítico Hierárquico). O teste com especialistas demonstrou que metodologias adotadas para seleção de conexões, quando estruturadas a partir de objetivos de projeto, podem aumentar o potencial de adaptabilidade e, ao mesmo tempo converterem-se em valioso apoio ao Design do mobiliário contemporâneo. / Manufacturers of contemporary furniture have made significant investments in the Design for Adaptability, particularly in the development of characteristics such as the multiplicity of functions, updating, customization and the share of components. These investments increased the potential of contemporary furniture to adapt to the observed transformations of behavior in domestic and working spaces. The adaptation has been made possible thanks to role played by the development of different types of connections between furniture components. This dissertation departs from the Idea that today’s processes involving the choice of connections are poorly structured and can be improved with a support decision’s methodology. This upgrade may well lead to the increment of creative attitudes during design process and to the development of higher levels of response to adaptability requests in furniture design. In order to evaluate and to select amidst the different types of connections a set of criteria were designed as to identify number of potential arrays of components (flexibility) and correlating this potential to the possible number of emergent functions (versatility). The result of this identification has been tested by specialists and then validated by a multicriteria method (AHP). The test with specialists confirmed that structured methodologies can be successfully used to improve the Design for Adaptability and, at the same time, constitute a valuable tool for the contemporary furniture’s Design.
225

Utilizing Academic Advising to Cultivate Adaptability in Students Changing Majors within the Education Field

January 2018 (has links)
abstract: In college, students are continuously learning and maturing, prompting transitions, as they grow to enhance their academic, vocational, and personal development. As such, institutions of higher education must also consider how to support students in these transitions. At the Teachers College at Southwestern University, 59% (N=86) of students in Educational Studies, a non-certification major, transitioned from teacher certification majors. In an ecology that centralizes students pursuing teacher certification, students majoring in Educational Studies do not receive the adequate support, particularly in addressing their concerns and curiosities regarding their future career trajectories. This qualitative study drew on Bronfenbrenner’s ecological models of human development and Moos’ ecology model as the theoretical underpinnings to examine how students cultivated adaptability amidst the transition of changing majors. On the forefront of support as students change majors, this study utilized academic advising to highlight a career advising program designed with an ecological approach to reimagine academic advising support in proactive and responsive ways. Findings from a grounded theory approach suggested students adapted through a network of support, network of information, and network of self-concept. The career advising program designed to draw upon multiple systems in one’s ecology capitalized on the reciprocal dynamic between an individual and their ecology. Cultivating adaptability addresses economical, societal, and personal goals and needs, economical, societal, and personal needs. / Dissertation/Thesis / Doctoral Dissertation Leadership and Innovation 2018
226

La mobilité dans le complexe fluvio-lagunaire de la basse vallée de l'Ouémé au Bénin, en Afrique de l'Ouest / Mobility in a waterway-lagoon system, Oueme's delta in Benin, West Africa

Sossou-Agbo, Anani Lazare 21 May 2013 (has links)
La mobilité fluvio-lagunaire est l'un des modes de contact avec l'extérieur des populations de la basse vallée de l'Ouémé et de ses zones inondables. C'est un complexe composé d'un fleuve, d'une rivière, d'un lac et d'une lagune reliés les uns aux autres par des chenaux et qui se communiquent avec l'océan Atlantique. Ce complexe se creuse dans un substratum sédimentaire, très meuble. Face à la vulnérabilité socio-économique, par la régression des activités primaires, et au changement climatique épisodique : pluies tardives, chaleur excessive, inondation extrême ; les activités secondaires ont pris progressivement le pas sur les principales que sont : l'agriculture de saison pour les ouémènu et la pêche pour les tofinnu. Ainsi, la disponibilité des ressources en eau répond aux attentes d'appropriation des populations. L'espace fluvial a pris le sens d'une autoroute de communication. Le transport des biens et des personnes répondent désormais aux besoins économiques des ménages influencés par les biens de premières nécessités. Trois portes principales d'entrée et de sortie répondent aux attentes quotidiennes des hommes et des femmes. Les embarcadères du marché Dantokpa ; au cœur de la ville de Cotonou centre névralgique du pays ; l'embarcadère de Djassintokpa, quartier de la ville de Porto-Novo, capitale politique du Bénin. Et l'embarcadère d'Abomey-Calavi, ville périurbaine, point d'accueil touristique. Mais, à ces différentes portes s'ajoutent les portes de chaque village ou quartier de ville. Au cours de cette recherche, nous avions distingué trois axes de transport : les traversées, les axes de moyens courriers et les axes de longs courriers. Les traversées se font entre les villages et les quartiers situés de part et d'autre des masses d'eau. Elles sont de très courtes durées, à faible coût, permettant à chaque individu de communiquer avec son milieu et augmentent les échanges commerciaux. Alors que les moyens courriers durent en moyenne une heure et permettent de relier les marchés de ville (Dantokpa à Cotonou, Ouando à Porto-Novo et Calavi). Les axes de longue durée concernent le transport des marchandises des communes les plus reculées (Dangbo et Adjohoun) et le commerce transfrontalier avec les marchés de Lagos et de Badagry au Nigéria. Ce sont des transports à forte capacité de main d'œuvre et peuvent durée entre 5 heures et 8 heures. Le transport fluvial a été longtemps utilisé comme voie de pénétration des territoires, il mérite aujourd'hui une attention comme future voie de développement des communes et voie de l'avenir dans le transport des biens et des personnes au Bénin. / River and lagoon mobility is one of the modes of contact with the outside for the people living in the lower valley of Ouémé and its floodplains. It is a network composed of a stream, river, lake and a lagoon connected to each other by channels and which communicate with the Atlantic Ocean. This network spreads in a very loose sedimentary bedrock. Given the socio-economic vulnerability, with the decline of primary activities, and with climate episodic changes: late rains, excessive heat, extreme flooding, the secondary activities have gradually taken precedence over the main ones that are: season farming for the ouémènu tribes and fishing for the tofinnu tribes. Thus, the availability of water resources meets the expectations of ownership of the people. The river basin has come to mean a highway of communication. The transportation of goods and people now meets the economic needs of households under the influence of goods for the basic needs. Three main gates of entry and exit respond to daily expectations of men and women. The Dantokpa's wharf; at the heart of the city of Cotonou nerve center of the country; Djassintokpa's wharf, near the town of Porto-Novo, Benin's political capital. And the wharf of Abomey, a suburban city, tourism meeting point. But, in addition to these various doors and exits, you also have the doors of each village or city neighborhood. During this research, we identified three transportation corridors: the short distance crossings, the medium-and the long-haul routes. The crossings take place between the villages and the neighborhoods scattered around the water networks. They are of very short duration, low cost, allowing each individual to communicate with their environment and increasing trade. While the medium-haul last on average one hour and allow to link city markets (Dantokpa in Cotonou, Porto-Novo Wando and Calavi). The axes of long duration concern goods transportation from the most remote communes (Dangbo and Adjohoun) and cross-border trade with markets in Lagos and Badagry in Nigeria. These are transportation requiring high-capacity of manpower and could last between 5 and 8 hours. River transportation has long been used as a route into the territories; it now deserves attention today as the future path of development for the communes and way forward in the transport of goods and people.
227

Um estudo sobre métodos estatísticos na avaliação da interação genótipo x ambientes em genótipos de arroz (Oryza sativa L.) /

Ramos Molina, Lina Maria. January 2007 (has links)
Resumo: Análise da interação genótipo x ambiente no melhoramento de plantas tem evoluído bastante na última década pela introdução de novos métodos de análise, melhorando a eficiência na seleção de genótipos testados em diferentes condições ambientais. Neste trabalho foram estudados alguns métodos estatísticos de análise da interação genótipo x ambiente, utilizando dados de oito genótipos de arroz avaliados em diferentes ambientes da Colômbia. Foram feitas a identificação dos genótipos de arroz com adaptabilidade e estabilidade ampla ou especifica nas regiões estudadas. Os métodos utilizados e estudados foram SREG (CORNELIUS, et al, 1996), ANNICCHIARICO (1992), EBERHART & RUSSELL (1966), Shukla e análise pelo método Bayesiano que foi feita segundo a metodologia desenvolvida por COTESTORRES (2004). / Abstract: Analysis of genotype x environment interaction in the improvement of plants has improved sufficiently in the last decade for the introductions of the new methods of analysis, having improved the efficiency in the selection of genotypes tested in different environment conditions. In this research some statistical analysis of genotype x environment interactions methods had been studied, evaluated eight genotypes of rices in different environments from Colombiam. Were made the identifications of genotypes with adaptability and stability in the studied regions. The methods used were SREG (CORNELIUS, et al, 1996), ANNICCHIARICO (1992), EBERHART & Russell (1966), Shukla and Bayesiano Method according to COTES-TORRES (2004). / Orientador: Adhemar Sanches / Coorientador: Alberto Cargnelutti Filho / Coorientador: Jose Miguel Cotes Torres / Banca: Rinaldo César de Paula / Banca: Sandra Helena Unêda Trevisoli / Mestre
228

Vulnerabilidade de touros Braford ao estresse calórico / Vulnerability to heat stress of Braford bulls

Rocha, Marcela Kuczynski da January 2018 (has links)
Devido às mudanças climáticas, a adaptação das raças de touro às condições ambientais torna-se um aspecto importante para a expressão do seu potencial genético. O objetivo deste trabalho foi avaliar a performance reprodutiva de touros da raça Braford, através do Índice de Temperatura e Umidade (ITU) e as suas relações com as características seminais de touros mantidos em diferentes climas do Brasil. Foram utilizados setenta e seis touros da raça Braford (5/8 Hereford x 3/8 Nelore), de seis propriedades rurais localizadas nos municípios de Rondonópolis (MT), Porto Nacional (TO) e Rio Verde (GO); Uruguaiana (RS), São Gabriel (RS) e Lages (SC). A avaliação seminal foi realizada 4 vezes em cada local. Os dados climáticos de temperatura e umidade foram coletados a cada hora de estações automáticas do Instituto Nacional de Meteorologia de cada localidade. O ITU foi analisado no período de 30, 18 (espermiogênese) e 12 dias (trânsito epididimário) antes da coleta seminal. Os maiores ITU foram observados no verão na localidade de Uruguaiana (83,69) e durante a estação chuvosa em Rondonópolis (80,15) Os menores valores de ITU foram observados durante o outono e inverno de Lages (51,66 e 50,03) e na estação chuvosa de Rio Verde (72,05). Na qualidade seminal, turbilhonamento (T), motilidade (M) e vigor (V) são menores no inverno de São Gabriel (2,87 ± 0,61; 60,60 ± 10,80 e 2,87 ± 0,51). Os defeitos espermáticos totais foram superiores em Uruguaiana (21,42 ± 1,26). Em Rio Verde, T, M e V foram menores (2,69 ± 0,17; 63,79 ± 4,01 e 2,69 ± 0,17) e maiores percentuais de defeitos maiores e menores (29,01 ± 3,24 e 16,02 ± 1,80). A motilidade mostrou correlação negativa com o ITU de 30 e 18 dias (-0,121 e -0,163; P<0,01), equanto que os defeitos totais estão correlacionados positivamente com todos os períodos de ITU (0,234; 0,207 e 0,198; P<0,01). Apesar dos altos índices de ITU, a qualidade seminal não mudou significamente para reprovar algum touro ao exame andrológico durante todas as estações, mostrando que os touros Braford são capazes de trabalhar a campo sob diferentes climas quente, demonstrado pelo ITU. / Due to climate change, the adaptation of bull breeds to environmental conditions becomes an important aspect for the expression of genetic potential. The objective of this study was to evaluate the reproductive performance of Braford bulls, through the Temperature and Humidity Index (THI) and its relationships with the seminal characteristics of bulls sustained in different climates of Brazil. Seventy-six Braford bulls (5/8 Hereford x 3/8 Nellore) were used, of six farms located in the cities of Rondonópolis (MT), Porto Nacional (TO) and Rio Verde (GO); Uruguaiana (RS), São Gabriel (RS) and Lages (SC). The seminal evaluation was performed four times at each location. Temperature and air humidity data were collected every hour from the automatic weather station at the National Institute of Meteorology. The THI was analyzed in the period of 30, 18 (spermiogenesis) and 12 days (epididymal transit) before seminal collection. The highest THI were observed in the summer of Uruguaiana (83.69) and in the rainy season of Rondonópolis (80.15) The lowest values of THI were observed in the autumn and winter of Lages (51.66 and 50.03), and in the rainy season of Rio Verde (72.05). In sperm quality, mass motion (MM), motility (M) and vigor (V) are lower in the winter of São Gabriel (2.87 ± 0.61; 60.60 ± 10.80 and 2.87 ± 0.51). The total defects were higher in Uruguaiana (21.42 ± 1.26). In Rio Verde, MM, M and V were lower (2.69 ± 0.17; 63.79 ± 4.01 and 2.69 ± 0.17) and higher percentages of major and minor defects (29.01 ± 3.24 and 16.02 ± 1.80). Motility showed a negative correlation with THI of 30 and 18 days (-0.121 e -0.163; P<0.01), while the total defects are positively correlated with all periods of THI (0.234; 0.207 and 0.198; P<0.01). Despite the high THI indexes, the sperm quality has not changed significantly to reject a bull during BBSE exam during all seasons, showing that Braford bulls are able of field service under different hot climates, as demonstrated by the THI.
229

Hnízdní biologie Podiceps cristatus v různých typech biotopů třeboňské pánve / Breedintg biology of great crested grebes (Podiceps cristatus) in different habitats in the Třeboň basin

HÝLOVÁ, Alena January 2007 (has links)
The aim of this study is to determine some breeding and ethology aspects of Great Crested grebes (Podiceps cristatus) in two different habitats in the Třeboň basin. The first locality is Nadějská rybniční soustava (NRS). It means 14 high eutrophic fish ponds near Třeboň. The second locality is in Hálámky and it is the gravel pits area. There are 4 ponds with low eutrophic water. This locality is similar to lakes - the origin biotope of Great Crested grebes (Podiceps cristatus). There are still active outputs of gravel in some of Halámky ponds. This study is based on breeding aspects, such as bird quantity, observing and measuring. Observations were carried out in 2004 - 2006. Whole day ethology monitoring was made in 2006. The data in Nadějská rybniční soustava are collected every 14 days from March to November. The data in Halámky are collected on the month base. The parameters of nests were measured during the breeding season. It was draught of nests, height above water level, height of water column, diameter of nests, ``kotlinka{\crqq} - a place for eggs in nest, ``korona{\crqq} - a special part of the nest. We focused on the parameters of eggs such as width, length and number of eggs in the nest as well.
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Exploring hierarchy, adaptability and 3D in NoCs for the next generation of MPSoCs / Explorando hierarquia, adaptabilidade e 3D em NoCs para a próxima geração de MPSoCs

Matos, Débora da Silva Motta January 2014 (has links)
A demanda por sistemas com elevado desempenho tem trazido a necessidade de aumentar o número de elementos de processamento, surgindo os chamados Sistemas em Chip Multiprocessados (MPSoCs). Além disso, com a possibilidade de redução da escala tecnológica na era submicrônica, permitindo a integração de vários dispositivos, os chips têm se tornado ainda mais complexos. No entanto, com o aumento no número de elementos de processamento, as interconexões são vistas com o principal gargalo dos sistemas-em-chip. Com isso, uma preocupação na forma como tais elementos se comunicam e estão interconectados tem sido levantada, uma vez que tais características são cruciais nos aspectos de desempenho, energia e potência, principalmente em sistemas embarcados. Essa necessidade permitiu o advento das redes-em-chip (Networks-on-Chip – NoCs) e inúmeros estudos já foram realizados para tais dispositivos. No entanto, devido ao aceleramento tecnológico atual, que traz a necessidade por sistemas ainda mais complexos, que consumam baixa energia e que permitam que as aplicações sejam constantemente atualizadas sem perder as características de desempenho, as arquiteturas de interconexão tradicionais não serão suficientes para satisfazer tais desafios. Outras alternativas de interconexão para MPSoCs precisam ser investigadas e nesse trabalho novas arquiteturas para NoCs com tais requisitos são apresentadas. As soluções propostas exploram hierarquia, adaptabilidade e interconexões em três dimensões. Esse trabalho aborda a necessidade do uso de diferentes estratégias em NoCs a fim de atingir os requisitos de desempenho e baixo consumo de potência dos atuais e futuros MPSoCs. Dessa forma, serão verificadas as diversas arquiteturas de interconexões para sistemas heterogêneos, sua escalabilidade, suas principais características e as vantagens das propostas apresentadas sobre as demais soluções. / The demand for systems with high performance has brought the need to increase the number of cores, emerging the called Multi-Processors System-on-Chip (MPSoCs). Also, with the shrinking feature size in deep-submicron era, allowing the integration of several devices, chips have become even more complex. However, with the increase in these elements, interconnections are seen as the main bottleneck in many core systemson- chip. With this, a concern about how these devices communicate and are interconnected has been raised, since these features are crucial for the performance, energy and power consumption aspects, mainly in embedded systems. This need allows the advent of the Networks-on-Chip (NoCs) and countless studies had already been done to analyze such interconnection devices. However, due to the current technological accelerating that brings the need for even more complex systems, consuming lower energy and providing constant application updates without losing performance features, traditional interconnect architectures will not be sufficient to satisfy such challenges. Other interconnecting alternatives for MPSoCs need to be investigated and in this work, novel architectures for NoCs meeting such requirements are presented. The proposed solutions explore hierarchy, adaptability and three dimensional interconnections. This work approaches the requirements in the use of different strategies for NoCs in order to reach the performance requisites and low power consumption of the current and future MPSoCs. Hence, in this approach, several interconnection architectures for heterogeneous systems, their scalability and the main features and advantages of the proposed strategies in comparison with others will be verified.

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