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Browsing by Issue Date, starting with "2012-02-09"

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    A Roda da Vida no ambiente escolar : uma vivência intergeracional de Educação Musical
    (Universidade Federal de São Carlos, 2012-02-09)
    Souza, Manuela Cristina de
    ;
    Joly, Ilza Zenker Leme
    ;
    https://lattes.cnpq.br/5569335876343450
    ;
    https://lattes.cnpq.br/6760492784877768
    Master's Thesis. Education Graduate Programme of Universidade Federal de São Carlos. São Carlos, 2012. This Master's thesis deals with the scientific investigation of a process of musical education among the elderly and children, and aims to draw a reflection on some of the cultural changes of recent decades, from acquaintanceship dialogued with a group of women in the aging process, in a educational institution located in a country town in the state of Sao Paulo. The social practices investigated work with the collective musical memory as an instrument for reflection, awareness and appreciation of identity, and seek to develop a method of interaction among generations that respects the cultural imaginary of cultural agents involved in the research. This intervention makes use of music as expressive language of values and habits of the Brazilian people, and highlights the Musical Education as a process of social construction potentially humanizing, which must occur through critical and creative educational praxis. It believes that the Brazilian educational processes not only occur in the formal institutions of education, but firstly on cultural and artistic relations of the popular imagination, the oral transmission of values, among different generations. In a process of looking and collectively share knowledge on the "Roda da Vida" (Circle of Life), this research aims to understand the educational processes initiated by intergenerational experiences and reflect about different perceptions and world views of this group of collaborators women through systematization and analysis the circle of conversation and textual and audiovisual records. The process of dialogic analysis of content and organization of results, looking for alternative solutions methodological dialog among research and intervention, and hope to contribute with other studies of intercultural relations at school.
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    Análise espacial de remanescentes florestais como subsídio para o estabelecimento de unidades de conservação
    (Universidade Federal de São Carlos, 2012-02-09)
    Mello, Kaline de
    ;
    Leite, Eliana Cardoso
    ;
    https://lattes.cnpq.br/2186623269243747
    ;
    https://lattes.cnpq.br/1974531968891537
    ;
    Valente, Roberta de Oliveira Averna
    The current state of fragmentation of remaining natural vegetation in São Paulo generates the need for urgent action for conservation. The prioritization of areas is the first step toward developing strategies for biodiversity conservation because it allows the targeting of efforts and resources to subsidize the maintenance and development of public policies on land use. In this sense, this study aimed to diagnose the distribution of fragments of natural vegetation in the municipality of Sorocaba / SP and identify priority areas for conservation through the use of landscape metrics in order to support the creation of protected areas (PA). The remnants of natural vegetation s map was elaborate (1:2.000) through vectorization screen using aerial photographs with scale 1:20.000 of 2006. The maps of hydrography and contour lines were used in the preparation of the Permanent Preservation Areas map (PPA). The following metrics were used for the map of priority areas for conservation: Area (hectares) PROX (connectivity between fragments) and SHAPE (relationship between perimeter and area). The metrics were valued and assigned to a weight to each of them. The results showed a high degree of habitat fragmentation, with only 16.68% of municipal land with forest cover and 62% of fragments smaller than 1ha, and the largest fragment showing approximately 300 ha. 19% of the territory is PPA, and this area has only 45% forest cover (50% of the total forest cover of the municipality). The restoration of all PPA represents an increase of 11% of forest cover in the entire territory, from 16,68% to 28% and also the appearance of fragments larger than 3.000 ha. The areas with the highest priority for conservation are located in the southeast region of the municipality, where most of rural areas still exist. Another high priority area appeared on the waterfront Pirajibú. Except of the public area called Mario Covas Park, the other fragments with very high priority areas are on private properties, which should lead to an incentive for the creation of PRNP and AMPA. The present situation of the scarcity of forest remnants of the city generates a demand for immediate action for conservation and ecological restoration. The strategies should involve stopping and possibly reversing the process of degradation of natural ecosystems. Thus, the municipality must ensure the preservation of forest remnants through public or private PA, and must implement an ecological restoration program involving various stakeholders such as schools, industries, NGOs and other sectors. Whereas the expansion of the city is an ongoing process, territorial planning should be done to reconcile the demands for infrastructure with the conservation of forest remnants. Plans for urban and industrial expansion should be integrated into the plans of conservation and restoration of natural areas, as provided in Municipal Environmental Policy.
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    A influência da porcentagem da área de janela no consumo de energia elétrica em residências na cidade de São Carlos - SP
    (Universidade Federal de São Carlos, 2012-02-09)
    Bisinotto, Stela Leticia
    ;
    Souza, Lea Cristina Lucas de
    ;
    https://lattes.cnpq.br/0083847008256434
    ;
    https://lattes.cnpq.br/6539271664132423
    This study seeks to verify the influence of windows areas in the electrical energy consumption of dwellings in the city of São Carlos. In order to do this, the index WWR (window to wall ratio) was applied, representing the ratio of window area and the area of external surface (wall). The applied methodology consisted on field campaigns, modeling and computational simulation. First, taking into account a preexistent data basis, the characteristics of the electrical energy consumption for the whole area of the city of São Carlos was verified. Then, specific buildings were selected to be measured in loco. The field data allowed the determination of building parameters (orientation, volume and constructed area, area of façades and window areas), which were directly or indirectly used as data entry for modeling the electrical energy consumption of the dwellings set. The modeling process applied Artificial Neural Networks (ANN), which is a computational technique inspired on the structure of human neurons. Several models were developed and their performance was evaluated by the determination coefficient (R2) and relative errors, shown by the relationship between simulated and real data. The best model was selected to be applied in the simulation of the influence of WWR and electrical energy consumption. The results showed that the WWR index has influence on the residential consumption of the dwellings studied and that NE orientation causes the lowest impact on electrical energy consumption. Furthermore, an ideal range of WWR/volume between 0,06 and 0,07 is related to the lowest energy consumption per constructed area in the city of São Carlos.
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    Experiências agroecológicas de comercialização no Rio Grande do Sul: Associação dos Agricultores Ecologistas de Ipê e Antonio Prado (AECIA) e Centro de Apoio ao Pequeno Agricultor (CAPA)
    (Universidade Federal de São Carlos, 2012-02-10)
    Nascimento, Fábio Schwab do
    ;
    Beskow, Paulo Roberto
    ;
    https://lattes.cnpq.br/5370208348544496
    ;
    https://lattes.cnpq.br/6322985841208222
    This dissertation has as an objective to present the results of the research conducted for the Master Course of Agroecology and Rural Development of the Federal University of São Carlos. This study aimed to analyze the different existing processes of commercialization in the Rio Grande Do Sul in relation to the concept of organization of its producers and the forms of commercialization used. To develop the present work, a case study will be used, having as object two experiences in the Rio Grande Do Sul. The chosen experiences was the Association Ecologists Farmers Ipê and Antonio Prado (Ipê and Antonio Prado/RS) and the Center of Support Small Farmers (Santa Cruz do Sul/RS). It was conducted a socioeconomic analysis of these experiences, observing how its forms of organization and commercialization influences in the reached results.
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    Estruturação das assembléias de aves que utilizam diferentes fisionomias de cerrado na Estação Ecológica de Itirapina, São Paulo
    (Universidade Federal de São Carlos, 2012-02-10)
    Fieker, Carolline Zatta
    ;
    Dias Filho, Manoel Martins
    ;
    https://lattes.cnpq.br/1346547036069954
    ;
    https://lattes.cnpq.br/4453761595730340
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    Estudo de reações sólido/líquido e sólido/gás em altas temperaturas: o caso das reações do PbSO4EPbO no processo pirometalúrgico de reciclagem de Pb a partir de baterias chumbo-ácido
    (Universidade Federal de São Carlos, 2012-02-10)
    Santin, Betânia de Oliveira
    ;
    D'Alkaine, Carlos Ventura
    ;
    https://lattes.cnpq.br/8699821828310072
    ;
    https://lattes.cnpq.br/0036756630569466
    This report presents a study on there reactions and transformations occurring at high temperatures with the two main constituents of scrap lead-acid batteries (Pb/H2SO4) oxide and lead sulphate (PbSO4 and PbO). It was conducted through simulations of possible reactions occurring in a pyrometallurgical process for reprocessing these devices discarded where, besides the battery scrap, different percentages of coking coal (C), iron chip and sodium carbonate (Na2CO3). As the literature pointed PbO as a product of many intermediate reactions in the production of secondary or recycled Pb, it was given the same importance to PbSO4, which is the main component of scrap batteries Pb/ H2SO4. For the implementation of this thesis, a mini pilot plant was designed and constructed with good temperature control of this metallurgical process. Using this tool a study of variation of them ass of the compounds treated thermally separated and in mixtures, was performed in a temperature range of 100 oC to 1000 oC. In general, the compounds and thermally treated mixtures were characterized via Absorption Spectroscopy Infrared and Raman Spectroscopy. Spectroscopic data were analysed by comparions with standard spectra of pure substances or, in the case of the mixtures, of these components already treated thermally separated. Contrary to what has been described in the literature, it has been found experimentally that PbO is not reduced by simply reducing the atmosphere generated by adding C in the oven, but by a combination of this with the reducing atmosphere generated by the flame used for heating the Scrap loads with all the other added reagents. Even under the conditions applied in this study, contrary to the hither to described in the literature, Fe chips did not act reducing the PbSO4. However, in the presence of C, the reduction temperature of this sulphate to PbO decreased considerably. When Na2CO3 was added to the mixturePbSO4 + C this decomposition temperature further
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    Interações tróficas entre a espécie Geophagus brasiliensis e a comunidade de macroinvertebrados bentônicos em reservatórios de diferentes graus de trofia
    (Universidade Federal de São Carlos, 2012-02-10)
    Nunes, Marcos Vinicius
    ;
    Verani, José Roberto
    ;
    https://lattes.cnpq.br/0053232138684810
    ;
    https://lattes.cnpq.br/2486673216326112
    The studies related to the interactions among populations in the aquatic communities are essential for providing relevant information for the understanding of energy and matter pathways in the ecosystems and subsidize to the formulation of trophic web models.The occurrence of flexible diets is a marked feature of many species in the ichthyofauna of Tropical Rivers, where the same species can alternate the exploitation among food items according to the changes in the relative availability of food resources induced by temporal spatial and or ontogenetic changes. In this context, this study aimed to analyze the trophic interactions existing between the species Geophagus brasiliensis (Quoy & Gaimard, 1824) (Osteichthyes, Cichlidae), and benthic macroinvertebrate community in three reservoirs (Monjolinho Reservoir, Fazzari Reservoir, Broa Reservoir) in order to know its feeding mode, whether there is food selectivity or preference and which would be the most suitable trophic category for the species. Benthic macroinvertebrate communities in sediments sampled simultaneously to G. brasiliensis population were analysed and experiments were carried out in order to know the feeding mode of the species. Biometric measurements for ecomorphological analyses and analysis of stomach contents of the fishes were performed and based on qualitative and quantitative analyses of the macroinvertebrates consumed and their availability in the environment the values for the selectivity index of Paloheimo were calculated for the reservoirs sampled. The results showed that benthic macroinvertebrates are often used as food resource by the populations of G. brasiliensis with great participation in its diet, allowing us to characterize this species as a benthivore. Also, it was observed that G. brasiliensis has food preference for Chironomidae larvae.
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    Comportamento mecânico da liga Ti-6Al-4V com superfície modificada por laser de femtosegundo para uso biomédico
    (Universidade Federal de São Carlos, 2012-02-10)
    Santos, Alan dos
    ;
    Bolfarini, Claudemiro
    ;
    https://lattes.cnpq.br/9231627080617037
    ;
    https://lattes.cnpq.br/6009157017178581
    Stainless steel orthopedic implants are still the most widely used in Brazil due to their lower cost. There is, however, a tendency to expand the use of special alloys such as titanium-based, due to clinical advantages that they present, notably the low modulus of elasticity and the best biocompatibility among the metallic biomaterials. The surface treatments aim to develop substrates suitable for bone growth, thus preventing the implantation of the prosthesis with PMMA cement, which results in an efficient mechanical fixing, but there is no biological interaction between implant and bone. There are several surface modification techniques, all of them improving at some level the process of osseointegration. However, researches have focused on biological aspects of the process and, despite the durability of the implant, there is currently no objective information in the literature about the influence of surface treatments on the mechanical behavior under cyclic stresses. The laser surface modification emerges as a promising alternative, since it permits precise control of parameters, regular surface development, induces reduced mechanical and thermal damage, and is known to promote osseointegration. The femtosecond laser, in particular, allows pulses of short duration (10-15s), reducing even more the damage caused by heat input. This study evaluated the influence of surface modification by femtosecond LASER in the fatigue resistance of Ti-6Al-4V alloy samples. S-N curves were determined for the reference samples and for the samples with modified surface. The topography developed and the fracture surfaces were analyzed by scanning electron microscopy. The femtosecond LASER has developed a regular surface with a bimodal distribution of microcolumns and ripples, and did not cause severe damage adjacent to the modified surface, however, has significantly reduced fatigue resistance.
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    O ondansetron, antagonista dos receptores 5-HT3, reverte o efeito ansiolítico das injeções de midazolam no hipocampo ventral de camundongos expostos aos modelos labirinto em cruz elevado (LCE) e exposição ao rato
    (Universidade Federal de São Carlos, 2012-02-10)
    Fachini, Gabriel
    ;
    Souza, Azair Liane Matos do Canto de
    ;
    https://lattes.cnpq.br/2352004564367849
    ;
    https://lattes.cnpq.br/6803191985946603
    Animal models have often been used to investigate the neurobiology of emotional states (fear and anxiety). In this sense, the elevated plus maze (EPM) and the rat exposure test are effective to evaluate these states and EPM exposure (aversive stimulus) can result in activation of serotonergic pathways with projections to structures belonging to the defense system, such as , amygdala, septum, hypothalamus, periaqueductal gray (PAG) and hippocampus. The hippocampus has a large amount of serotonin receptors (5- HT) and gamma-aminobutyric acid (GABA). In the present study, we used male mice of Swiss Albino, received surgical implantation of guide cannula and subsequent administration of drugs in the ventral hippocampus. After recovery, the animals were tested in EPM (Experiment 1 and 2) or the test exposure to the rat (Experiment 3 and 4). In Experiment 1, administration of midazolam (3.0 and 30.0 nmol) produced anxiolytic effect characterized by increased percentages of entries and time spent in the open arms of the EPM reduction measures and ethological (risk assessment) as percentages of dives stretched and secured. In Experiment 2, mice received combined injections Saline + Saline, Saline + MDZ, ondansetron (OND) + Saline and MDZ (30.0 nmol) + OND (0.03 nmol, antagonist of 5-HT3). Combined treatment of Sal + MDZ produced anxiolytic effect and this effect was reversed by the combined administration of OND + MDZ. The porcentanges of entries and time spent in open arms were lower (P> 0.05) than those found in group Sal + MDZ. Experiment 3 showed the effects of exposure of mice in the presence of mouse toy (RB = neutral stimulus) or mouse real (VR = aversive stimulus, Long Evans rats), under the administration of midazolam (3.0 14 and 30.0nmol). The animals were exposed to RV shortening the holding box (model effect) compared to animals exposed to RB. Animals treated with MDZ in two doses, there was an increase in transitions between the sides of the apparatus, increased time in the area of operation and increases the latency of escape to the protected area and contact time with the grid. In Experiment 4, we evaluated the effect of combined injection of midazolam and ondansetron protocol (Experiment 2). The MDZ 30.0 nmol produced anxiolytic effects and the blockade of this effect when the mice were combined administration of ondansetron and midazolam in the ventral hippocampus. Data from this study suggest that, first, control over emotional reactions and defense of the ventral hippocampus of mice exposed to EPM test or exposure to the rat are mediated via GABABenzodiazepines. Furthermore, there is a likely cross-modulation between GABAergic interneurons and 5-HT3, for blocking 5-HT3 via ondansetron can decrease the GABA release.
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    Análise de pavimentos de edifícios em concreto préfabricado considerando o efeito diafragma
    (Universidade Federal de São Carlos, 2012-02-13)
    Raymundo, Henrique
    ;
    Carvalho, Roberto Chust
    ;
    https://lattes.cnpq.br/3633394168236221
    ;
    https://lattes.cnpq.br/1811900837627447
    One of the main differences in the structures composed of prefabricated elements of the conventional structures (cast in situ) refers to the way of how structural elements are connected together. The operation of such links is essential to perform an accurate analysis of stability and removed from these buildings. A place where the connection is very important in verifying the structural behavior is among the cellular elements of the slab. In a conventional structure, usually made of solid slabs for floors, it is observed that the behavior of slabs have a great influence on the distribution of efforts arising from actions horizontal resistance between the porch and, consequently, the stability of the same. This phenomenon, defined as a rigid diaphragm, can also be found in precast buildings, with floors composed of hollow core slabs. In order to verify the necessity of including some details of connection between the slab elements (joints between the slabs and among other things) will be proposed in this paper the analysis of five structures with different characteristics, considering the different possibilities of bracing and disposal of prefabricated slabs in the floor. Consideration will be given the difference in the distribution efforts of the pavements, considering the application of shear walls and gateways, as well as the provision of slabs parallel and perpendicular to side action. The interference of the cover structure will also be analyzed in a number of examples. From a modeling specific to the floors of these buildings and different situations with different levels of horizontal actions, one can determine the stresses at specific points of the same, thus indicating the types of reinforcements to be willing to actually floors act as a diaphragm. Finally, we intend to discuss the organization of prefabricated elements interfere in the distribution of efforts on the pavement (joints between the slab elements), based on different amounts of reinforcing bars of each type of pavement structure will require.
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    Compostos com potencial alelopático em Aristolochia esperanzae O. Kuntze
    (Universidade Federal de São Carlos, 2012-02-13)
    Jatoba, Luciana de Jesus
    ;
    Perez, Sonia Cristina Juliano Gualtieri de Andrade
    ;
    https://lattes.cnpq.br/9973185407856723
    ;
    https://lattes.cnpq.br/1762622258880441
    ABSTRACT Allelopathy is defined as any process involving secondary metabolites that influence the growth and development of natural and cultivated systems. Plants of the Aristolochia genus are known for their use in traditional medicine, but few studies have been conducted on the ecological importance of their secondary compounds and their possible application in agriculture. This study aimed at the isolation, characterization and evaluation of the allelopathic activity of A. esperanzae secondary metabolites. Extraction, bioassay-guided isolation, spectroscopic and spectrometric analysis of the isolated compounds was carried out. The phytotoxic activity of the active extracts from A. esperanzae different organs on the development of species of cultivated crops and weeds, and of the active semipurified sample in the initial growth of Triticum aestivum L. (wheat) was evaluated. The EtOAc extracts of A. esperanzae mature leaves and roots showed phytotoxic activity similar to the herbicide used as control over the weed species. Biossayguided isolation of compounds with allelopathic activity from mature leaves of A. esperanzae has led to the isolation of three isomeric compounds with mass fragments with m/z 321 Da and 161 Da, and ultraviolet absorption at 234 nm and between 286 nm and 287 nm. Analysis by 1D- and 2D-NMR of one of these compounds allowed to stabilish its partial structure. The semi-purified ISO sample, obtained from A. esperanzae mature leaves and composed mainly by the isomeric mixture isolated, showed allelopathic activity on the early development of wheat, with inhibition of root development and formation of necrotic abnormalities over the shoots of these seedlings, with hormetic behavior. The activity of the compounds present in the ISO fraction showed to be different from that presented by the commercial herbicide, and may lead to the development of bioherbicides..
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    Avaliação do consumo de bactérias pelo zooplâncton em um reservatório eutrófico raso (Reservatório do Monjolinho São Carlos SP)
    (Universidade Federal de São Carlos, 2012-02-13)
    Hisatugo, Karina Ferreira
    ;
    Seleghim, Mirna Helena Regali
    ;
    https://lattes.cnpq.br/5998337634888263
    ;
    https://lattes.cnpq.br/6799589581281644
    Bacteria, found in terrestrial and aquatic environments, besides their important role in organic matter decomposition and nutrient cycling, are a food source for organisms of the higher trophic levels in the food chain, such as protozooplanktonic and metazooplanktonic organisms. This study aimed to evaluate the relative importance of protozooplanktonic (ciliates and heterotrophic nanoflagellates) and metazooplanktonic organisms (rotifers, cladocerans and copepods) as bacterial consumers throughout a year, which included a rainy and a dry season, in a eutrophic environment (Monjolinho reservoir-SP) by quantifying their ingestion rates. For this purpose, grazing experiments were carried out bimonthly during one year at the sub-surface of a central station of the reservoir using fluorescently labeled bacteria (FLB) dyed with DTAF. In each survey, besides the experiments, limnological (pH, dissolved oxygen, temperature, conductivity, water transparency and nutrients) and biological (chlorophyll-a and phaeophytin concentrations, bacterioplankton, protozooplankton and metazooplankton density) water parameters were also sampled. The heterotrophic nanoflagellates (HNF) showed higher population ingestion rates than the ciliates in dry and rainy seasons, and the HNF smaller than 5μm were the main consumers of bacteria. Among the metazooplanktonic organisms, the rotifers dominated the bacterial ingestion, and the organisms belonging to the genus Filinia and Keratella and to the families Testudinellidae and Brachionidae were the main bacterial consumers. Besides ingesting bacteria, however, protozoa and rotifers population also seemed to be controlled by cladocerans and copepods predation, which, in turn, seemed to be regulated by predation of larger organisms, such as small vertebrates. Thus, the predation control (top-down) occured both on bacterial communities and protozooplanktonic and metazooplanktnic communities and bacteria were regulated both by direct and indirect predation of zooplanktonic population. The resources control (bottom-up) semmed to be higher during the dry season, while in the rainy season bacterial communities were more controlled by predation. The greatest impact on bacterial communities was caused by HNF and ciliates during the rainy season and by HNF and rotifers during the dry one.
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    Álgebra e formação docente : o que dizem os futuros professores de matemática
    (Universidade Federal de São Carlos, 2012-02-13)
    Pires, Flávio de Souza
    ;
    Sousa, Maria do Carmo de
    ;
    https://lattes.cnpq.br/6637658562543505
    ;
    https://lattes.cnpq.br/4768933864136828
    The main object of this study is the analysis of some speeches from a group of future Mathematics teachers from São Carlos, São Paulo State, in relation to algebraic language teaching in Basics Education. The question which led to the development of this research was to investigate what future Mathematics teachers say about the algebraic language in Basics Education based on their past and actual perception of their under graduation course. This qualitative research has foundation in an analytical-descriptive nature. The data collection was carry out by students group participation of Mathematics Degree from São Carlos, São Paulo State, whom had already taken part of an internship program in Basics Education. The data analysis was accomplished through future teachers written statements on a questionnaire disposed into categories. The mixed questionnaire was compounded by three distinct moments: the first involved some aspects concerning Algebra, Algebraic Thought and Algebraic Teaching; the second brought more specifically the movement of teacher s formation; and the third tried to identify the future teachers profile. From these statements we could identify some difficulties with algebra learning from future teachers since Basics Education, which was reinforced along academic life in Higher Education. Besides, we noticed future teachers worry about teaching when they compare scholar and academic algebra to their own learning experiences, indicating dissociation between them.
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    Produção e caracterização de recobrimentos de aço, empregando a liga amorfizável Fe-Cr-Nb-B
    (Universidade Federal de São Carlos, 2012-02-13)
    Melle, Ana Karla
    ;
    Kiminami, Claudio Shyinti
    ;
    https://lattes.cnpq.br/5443002033733395
    ;
    https://lattes.cnpq.br/5690810293811991
    The equipments used to oil flow are submitted in an aggressive environment with the presence of hydrogen sulphide, carbon dioxide and sand, which contribute to corrosion and wear of the surface. To resist of these requests one alternative is the inner coating using materials with high properties of corrosion and wear. Amorphous coatings iron based have good prospects for this application. These alloys, beyond high properties, are low cost system and, therefore, they are viable economically. In this context, the aim of this work is the production and the characterization of coatings, using the amorphous alloy Fe60Cr8Nb8B24 (%at), with special focus on hardness and wear properties. Initially, preliminary studies were made for the evaluation of glass forming ability for selected composition and the influence of impurities on this behavior. The second step of this work was the production of coatings through two different routes. The first was thermal spraying process LVOF (low velocity oxygen fuel), with utilization of two distinct raw materials: (i) amorphous powders produced by atomization and (ii) amorphous powders made by high energy milling. In the other route, coatings were manufactured by spray forming process using prelayer of nickel alloys, whose aim was to allow the adhesion of particles on the substrate. All coatings produced were characterized using X-ray diffraction (XRD), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), wear and hardness tests and porosity and oxygen content measurements. The results shown the feasibility of production of amorphous coatings by the two routes analyzed, with interesting properties when compared to conventional materials.
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    Estrutura da comunidade microbiana e a importância da bacterivoria por protozoários em uma represa subtropical (Represa do Lobo, SP, Brasil)
    (Universidade Federal de São Carlos, 2012-02-13)
    Mansano, Adrislaine da Silva
    ;
    Seleghim, Mirna Helena Regali
    ;
    https://lattes.cnpq.br/5998337634888263
    ;
    https://lattes.cnpq.br/0101649577482109
    Planktonic bacteria play important role in the organic matter decomposition, nutrient cycling and as food for organisms of higher trophic levels such as flagellates and ciliates, thus representing fundamental components in planktonic food webs. This study analyzed the microbial community structure and evaluated the importance of heterotrophic nanoflagellates (HNF) and ciliates bacterivory in a subtropical environment predominantly mesotrophic (Lobo-Broa reservoir, Brazil) by the quantification of their ingestion rates during one year period. The in situ experiments using fluorescently labelled bacteria (FLB) were conducted on the surface of two sampling points that have different trophic degrees. In parallel, physical, chemical and biological water variables were also evaluated. The ciliates showed a higher specific ingestion rate of bacteria (3,3 x 103 bact ind-1 h-1) than HNF (79,7 bact ind-1 h-1) due to differences in size and food acquisition among the two protozoans. The ingestion rates for both ciliates and HNF were always higher in the point 2 (P2) probably due to the higher water temperatures, which accelerate the protozoans metabolism, and higher bacterial densities. Concerning total protozoan bacterivory, the HNF populations had the greatest grazing impact (60%) on the reservoir bacterial community, especially the HNF smaller than 5 μm. The data showed that HNF grazing, in addition to regulation the bacteria abundance, probably also induced changes in the bacterial community structure, such as increasing bacterial filaments numbers and size. The ciliates contributed significantly to the bacterivory, especially in P2, where high densities and ingestion rates were verified. The main ciliate consumers of bacteria were from Spirotrichea, Peritrichia, Haptoria and Scuticociliatia groups. The bottom-up control was more important in the dry season and the top-down control was more important in the rainy one. Thus, in an annual basis, the resource availability and protozoan predation are equally important to the bacterial abundance regulation in the Lobo reservoir.
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    Contribuições do curso de educação musical a distância da UFSCar nas percepções de licenciandos-já-professores
    (Universidade Federal de São Carlos, 2012-02-14)
    Santos, Terence Peixoto dos
    ;
    Reali, Aline Maria de Medeiros Rodrigues
    ;
    https://lattes.cnpq.br/6923273596591069
    In face of the technological evolution lived by the nowadays society, which allowed the emergence of the on-line distance education (via the internet), it has occurred over the last years in Brazil a constant growth of distance teacher education, with graduation courses that rely on large part of its development being realized through on-line activities. This growth has also relied on contributions from the Ministry of Education through programs as the Brazil Open University (UAB), for example. It is considering this scenario that it was sought to explore these new environments of formation and investigate what contributions a distance formation course brings to students that already work as music teachers. Therefore, it started from the characterization and analysis of experiences and learnings that the students-alreadyteachers pointed out as significatives in the Music Education Licentiate course at a distance of UFSCar, also seeking to relate those experiences and learnings with the categories of the knowledge base for teaching (SHULMAN, 1986, 1987; MIZUKAMI, 2004). It was applied an on-line questionnaire with the students-already-teachers who consented their participation in the research, and it was sought to reach the objectives proposed by means of an inductive analysis of the answers. The research had its methodology defined based on the principles of the qualitative research, and was characterized as being of descriptive-analytical nature. The results revealed that even already possessing large experience in music teaching, the studentsalready- teachers affirmed that the distance graduation course contributed in several aspects, being possible to identify contributions to with their content knowledge, pedagogical content knowledge and general pedagogical knowledge, just as general contributions related to distance education, learning of technological resources, personal organization, incentive for research, among others. It was finalized with the certainty that the distance education presents great possibilities and a lot of potential for teacher education and for education, and that much remains to be researched and understood in this field.
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    Adaptação do software wiki para informatização da documentação do sistema de gestão da qualidade padrão ISO 9001
    (Universidade Federal de São Carlos, 2012-02-14)
    Costal, Graziele Cristina Silveira Zerbini
    ;
    Martins, Roberto Antonio
    ;
    https://lattes.cnpq.br/3518820028045730
    ;
    https://lattes.cnpq.br/3953457646139498
    Generally, the documentation in compliance with ISO 9001 requirements is a complex task and source of excessive bureaucracy. As a result, the attention that documentation requires can blur the benefits in implementing the standard. In order to overcome that obstacle, the wiki software can be used as an alternative to documentation computerization. Therefore, the objective was to adapt wiki software to computerize the documentation of a ISO 9001 Quality Management System. The method to achieve this goal was to develop a prototype based on wiki (named WikiQMS) with features involving the storage, creation, revision and control of quality documents. Still in the development phase, the prototype was evaluated by an Expert Panel in order to collect their assessments and ideas to improve the prototype. Finally, the WikiQMS was validated and deployed by a junior enterprise Unifei Jr. The result is a wiki prototype that complies with minimum requirements of Quality Management System documentation. The WikiQMS also has many of the Web 2.0 advantages like collaborative editing, collective authorship, accessibility and ease of use, providing a proper environment to documents continuous improvement.
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    QTLs associados com emocionalidade em fêmeas pós-parto de camundongos LG/J x SM/J
    (Universidade Federal de São Carlos, 2012-02-14)
    Monte, Bruno Gabriel Oliveira do
    ;
    Peripato, Andréa Cristina
    ;
    https://lattes.cnpq.br/0657713343451089
    In mammals, newborns need parental care, mostly maternal care, to succeed in development. Mother emotionality may affect development at initial stages or even emotionality of the offspring in adulthood. In the present study we investigate emotionality, in maternal period, by performing the open field test in mice females from SM/J, LG/J inbred lines and generations F1 and F2 from this intercross. F2 females were also tested in nonmaternal phase. We investigate if F2 females emotionality was associated with variation in weight gain and offspring viability. Finally, we perform QTLs analysis (Quantitative Trait Loci) aiming to study genetic architecture of emotionality at postpartum phase. Ethological analysis indicates that LG/J females seem to have higher level of anxiety when compared to SM/J females. F1 and F2 generations did not show significant differences in most of the phenotypes analyzed. In the contrast between maternal and non-maternal phases of F2 females, it seems females were less anxious in non-maternal phase. In the relationship between anxiety and weight gain among F2 females we observed that several ethological data show significant association with weight gain in some period of life of these females. However, the ethological variations do not seem to interfere in the offspring survival. QTL analysis revealed 11 individual QTLs associated to the phenotypes grooming, immobility, activity at center, and motor activity, that accounts between 5 and 9% of emotionality variation. Beside individual QTLs, we found a total of 88 epistatic QTLs involving the five evaluated phenotypes that together with the individual QTLs explain 24 to 53% of emotionality variation in postpartum females. The present study allowed the identification of putative candidate genes, as well as their relative size effects and patterns of gene action affecting mice emotionality. These results reveal that genetic architecture of emotionality of LG/J x SM/J dams is complex, since indicate the existence of many genes, including the interaction among them in a complex network of epistasis. Besides the genetic basis, is worth noted that environment also have a important impact in emotions through epigenetic mechanisms.
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    Teores dos elementos químicos essenciais e tóxicos na rastreabilidade da carne bovina
    (Universidade Federal de São Carlos, 2012-02-15)
    Gromboni, Caio Fernando
    ;
    Nogueira, Ana Rita de Araújo
    ;
    https://lattes.cnpq.br/7034773971317045
    ;
    https://lattes.cnpq.br/3094371391359214
    The objective of this work was to develop methodologies for the determination of inorganic constituents in meat sample and the study of correlations between samples with chemical elements profile, especially Nelore samples of project BifeQuali aimed at improving the quality of Brazilian meat. Three different strategies for sample preparation, basic extraction, acid extraction and microwave assisted acid digestion were optimized and evaluated, by using bovine liver certified reference material (NIST 1577b), and the decomposition assisted by microwave radiation chosen for the decomposition of 650 samples used in this work. For the measurements of chemical elements, mass spectrometry and optical emission inductively coupled argon plasma (ICP OES and ICP-MS, respectively) were used. The chemical elements quantified by ICP-MS were V, Mn, As, Co, Ni, Mo, Cd, Pb, Cr, Se and Fe, by ICP OES were Ca, K, Mg, Na, P, S and Zn. The use of internal standard (Sc, Y and Bi) contributed to the accuracy and precision of measurements. For principal component analysis (PCA) was developed a worksheet to perform the spectral scanning, monitoring 250 wavelength from 167 to 770 nm using ICP OES. The results showed that the crop that is bred proved to be an important variable, forming clusters corresponds to the two crops analyzed, which indicates that climatic factors affect the profile of chemical elements and the quality of nutrition. Moreover, the place of confinement is also presented as an important variable, showing the grouping according to the place where it was confined. Through PCA and analysis using SAS software was possible to observe the correlation between Na and K with the tenderness, and the higher the concentration of these, the lower the shear force, and the higher the tenderness
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    Gestão da informação e inteligência competitiva em empresas de biotecnologia do Brasil
    (Universidade Federal de São Carlos, 2012-02-15)
    Oliveira, Maria Fernanda de
    ;
    Hoffmann, Wanda Aparecida Machado
    ;
    https://lattes.cnpq.br/7609135667093837
    ;
    https://lattes.cnpq.br/6511977715237485
    Through the perception of the value and potential of Biotechnology for Brazil and the lack of studies concerning politics, economy and social affairs in this area, this research has the intention of studying the Biotechnology companies from the point of view of their information management and relationship with Financiadora de Estudos e Projetos (FINEP), major sponsor, based in the hypothesis that there might be some difference between companies that receive and companies that do not receive financial resources from FINEP regarding information and market position. The methodology applied can be defined as descriptive and exploratory, with quality and quantity analysis. The data was collected through the organization of secondary information and research in specific literature and official web sites, content analysis form and a questionnaire applied via websurvey to 52 biotechnology companies set as statistic sample. The analysis was based in simple statistic, reflected average and official announcements and free answers checking. The results obtained from the Brazilian biotechnology companies were in general geographic location and legal nature. Regarding the companies taken as sample, the results were: the companies managers graduation; geographic market comprehended by these companies; business size; their relationship with FINEP; identified obstacles to their development and information management uses and competitive intelligence executed. Besides these results, there is a resumed analysis over the FINEP official announcements with the identification of their main characteristics. The main conclusions shows that the FINEP official announcements have clear structure about the necessary items and means of evaluations applied, as well as a schedule for all the process. The FINEP and Non-FINEP companies have similar practices when dealing with information, including informal and non-coordinated actions. This reality can be one of the reasons that colaborate to a difficulty in elaborating proposals to FINEP for there is lack of good and appropriate information to develop adequate proposals. However, it could be noticed that the competition among the biotechnology companies is high, what tends to be linked to a market highly focused in innovation. Thus, theoretical constructions were integrated with the information obtained with the research, generating a simplified model of information management with recommendations looking forward to structuring the actions involving the informational practice in companies. It is expected that the results presented can strenghten the data collection of the companies as well as the use of information, promoting better decisions about FINEP and some perceptions to contribute the elaboration of official announcements to this area.
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