Browsing by Issue Date, starting with "2012-03-08"

Filter results by year or month

Now showing 1 - 20 of 19054

Estudo sobre a ictiofauna do Rio Cabeça, um tributário do Rio Corumbataí com nascentes nas cuestas basalticas do estado de São Paulo
(Universidade Federal de São Carlos, 2012-03-08)
Cardoso, Rodrigo Torres
;
Garavello, Júlio César
;
https://lattes.cnpq.br/2778105126670170
;
https://lattes.cnpq.br/8249557280995807
This study investigates the composition and distribution of fish species from Rio Cabeça, a tributary of Rio Corumbataí basin. Fish samples and physical data were monthly collected at four regular sampling sites and during 12 months, thorough the channel of Rio Cabeça and on five additional collection sites. From the physical data, width, depth and water velocity (in m/s) of the river were obtained. The fish collections were made with help of: gill net, trawl net, other hand net and sieve. Species richness and abundance were designed thorough the constancy of occurrence of the species; the Jaccard similarity analysis of rarefaction; the species accumulation curve and a descriptive analysis of the collecting sites. The sampling sites showed physical characteristics as: Site 1, narrow but deep and with rapid waters. Site 2, wider and shallower and with more water spread. Site 3, mostly broad and deeper. Site 4, also broad and shallow, but containing rapids and fast waters. The samples include 4.532 fish specimens belonging to six orders, 17 families and 65 species. Site 4, showed the best richness and abundance, and the other three sites revealed to be more or less similar. In terms of constancy the site 4 had the highest percentage of occasional species, while the other three sites had the highest percentage of regular species. The analysis of rarefaction had shown a greater richness of species at site 4 and lower species richness at remaining sites. The species accumulation curve shown that a considerable proportion of fish species is present in this river as represented in this study. The Jaccard similarity analysis shown significant differences in the species composition through the four collecting sites. The results and the discussion suggest that the basaltic Corumbataí mountain formation may interfere with the distribution, composition and richness of the ichthyofauna. On the other hand, the Rio Cabeça with 65 fish species is an important tributary of the Rio Corumbataí. Finnaly this study outcome the necessity of more attention to ichthyofauna conservation at waterfall environments, where the specimens are exposed to illegal fisheries.
Cultivo heterotrófico de Aphanothece microscopica Nägeli e Chlorella vulgaris em diferentes fontes de carbono e em vinhaça
(Universidade Federal de São Carlos, 2012-03-08)
Bonini, Monica de Albuquerque
;
Bastos, Reinaldo Gaspar
;
https://lattes.cnpq.br/9329363278429665
;
https://lattes.cnpq.br/5490287339979298
ABSTRACT Microalgae include both algae Chlorophycea and cyanobacteria. These organisms have attracted interest due to its versatile metabolism, since some strains have, additionaly to photosynthetic metabolism, hability to grow in the dark by the consumption of simple organic molecules, such as glucose, acetate and glycerol. This hability suggests the application of these microorganisms in several areas, such as biological treatment of agroindustrial wastewater, aiming the removal of nutrients and organic matter. São Paulo/Brazil is one of the main producers of ethanol from sugarcane, generating a considerable amount of vinasse. Vinasse represents the main wastewater from de sugarcane agroindustry, being usually applied as fertigation in sugarcane crops. In this context, this study aimed to evaluate the heterotrophic growth of cyanobacterium Aphanothece microscopica Nägeli and the chlorophyceae Chorella vulgaris in synthetic culture media supplemented with organic carbon source and in vinasse, aiming to produce biomass and application it in wastewater treatment. Mixotrophic cultures were conducted to select the optimal concentration of organic substrate for the growth of microalgae, which were evaluated in heterotrophic cultures. Additionally, experiments have been conducted with pre-treated vinasse, evaluating the COD removal and the glucose and potassium incorporation. By the mixotrophic tests was selected the optimal concentrations of 25 and 12.5 g.L-1 glucose, 0.5 and 1.25 g.L-1 potassium acetate and 0.46 and 0.92 g.L-1 glycerol as ideal for the cultivation of Aphanothece microscopica Nägeli and Chlorella vulgaris, respectively, which reflected on the maximum specific growth rate between 0.0072 and 0.043 h-1. In the heterotrophic cultures the maximum specific growth rate was greater or equal to both microalgae in all carbon sources, with reduction between 30.4 and 90% of the initial concentrations of substrates. The experiments demonstrated possibility to use vinasse as culture media for both microalgae, especially Aphanothece microscopica Nägeli. In this conditions, results indicated the maximum removals of glucose (55.5%), COD (60.8%) and potassium (13%) by the cianobacterium, and 83.7% of glucose, 25% of COD and 13.8% of potassium by Chlorella vulgaris. The results suggest the heterotrophic metabolism for both microorganisms, pointing an interesting alternative to use of wastewater as culture media to produce high-value biomass from a low-cost way.
Análise da escoabilidade de pós
(Universidade Federal de São Carlos, 2012-03-08)
Campos, Milene Minniti de
;
Ferreira, Maria do Carmo
;
https://lattes.cnpq.br/7070885875161111
;
https://lattes.cnpq.br/8281708881484887
There are many industries which use powders somewhere in their production process, such as: food, pharmaceuticals, ceramics, cement and fertilizer industries. The knowledge of properties associated with the flowability of these materials is important, since the characteristics of the powders can go through amendments in processing. Thus, the evaluation of indexes of flowability and the identification of main factors which influence the powders flowability play an important role in the operation and design of industrial devices. The objective of this study was to evaluate the flowability properties of organic and inorganic powders, as well as analyze which factors interfered in these properties. The organic materials were represented by whole and skim milk powders, while alumina and ceramic powder were selected for the assessment of inorganic materials. The physical characterizations carried out were: display materials morphology at SEM (Scanning Electron Microscopy), size distribution, particle density, initial moisture content, aerated bulk density and tapped bulk density. The measured materials flowability properties were: angle of internal friction, effective angle of internal friction, angle of wall (galvanized steel) friction and flow index, all of them determined by Jenike's direct shear cell, Hausner ratio obtained from the values of tapped and aerated bulk densities; angle of repose, determined through the dropping of powder in an acrylic surface. In general, the results obtained, considering all methodologies employed for the determination of materials flowability, demonstrated that alumina, ceramic powder and whole milk powder, if compared to skim milk powder, presented lower indexes of flowability. If these materials were stored in silos made of galvanized steel, alumina and ceramic powder flowability would be more difficult than that of skim and whole milk powders. Thus, the results showed that the material physical properties interfere in powders flowability. The skim milk powder flowed more easily than whole milk powder, because higher fat content and smaller average particle size of whole milk powder decreased the flowability of this material in comparison to the skim milk powder. Likewise, despite they have similar composition, alumina presented lower flowability that ceramic powder, because this powder had larger average particle size and the powder presented fewer agglomerated particles.
Desenvolvimento de blendas poliméricas policarbonato/ poli (Tereftalato de Butileno) (PC/PBT) compatibilizadas e nanoestruturadas
(Universidade Federal de São Carlos, 2012-03-08)
Laurindo, Vanessa
;
Hage Júnior, Elias
;
https://lattes.cnpq.br/1240692926327687
;
https://lattes.cnpq.br/8930068830121454
The evaluation of addition of a random copolymer as compatibilizing and his effect in obtaining nanostructured morphology in blends composed by PC as matrix and PBT as dispersed phase, were investigated. The copolymercompatibilizer was produced by reactive mixture, in a torque rheometer, of the components of blend PC/PBT (50/50%wt) in the presence of different concentrations of the catalyst TnBT (1000 and 2000 ppm) and different mixing times (10 and 30 minutes). The characterization of thermal and chemicals properties by DSC, FTIR and 1HNMR showed evidences of the occurrence of transesterification reactions between the blends components for all systems studied. However, formation of the random copolymer was confirmed only for the system with addition of 2000 ppm of the catalyst, subjected to different mixing times. To minimize the effects of degradation reactions in the random copolymer formed, was selected use as compatibilizer to obtain nanostructured blends, the copolymer obtained after 10 minutes of mixing. To evaluating effect of the copolymer-compatibilizer in obtain a nanostructured morphology, were prepared blends PC/PBT (95/5%wt) with addition of 0, 1, 3 and 5% wt of copolymer and by the thermal analysis by DSC and DMTA was observed the existence of a partial miscibility, restricted to the amorphous phase, between the components of the blends PC/PBT studied. Morphological analysis by TEM revealed to obtain a dispersed phase nanostructured for the blend with addition of 3%wt of compatibilizing. The effect of random copolymer as compatibilizing agent for the blends studied was also demonstrated by characterization of the mechanical properties of tensile and impact.
Estudo da secagem de sementes de embaúba em leito fluidizado
(Universidade Federal de São Carlos, 2012-03-08)
Corrêa, Luciano Jacob
;
Sartori, Dermeval José Mazzini
;
https://lattes.cnpq.br/6654974812569635
Due to the importance of conservation of ecosystems and having Cecropia glaziovi.S as a pioneer species of the Tropical Forests, this plant becomes indispensable in reforestation areas altered wild. The drying operation is fundamental in the improvement of seeds, since it is not a seed recalcitrant. There is currently interest in studies of convective drying of the seeds on bed furniture, as in previous search has been shown to occur in fixed bed preferential channels and agglomerations of particles. The objective of this work is to study the fluidized bed capable of carrying out the drying of seed of native plants with the maintenance of physical and physiological properties. The comparison between the methods of decomposition and scraping the inflorescences wet and dry extraction showed that the wet method is more suitable for this kind of seed. The fluid dynamics of the contact between the seed and the fluid was drawn from measurements of pressure drop and air flow rates increasing and decreasing the bed. Using the method of SOGAB, demonstrated the uniformity of velocity and temperature in the entrance region of the measuring cell. The analyze the fluid allowed to obtain the information on the fluidisation characteristics curves, while the drying tests enabled the knowledge of the effects of temperature and velocity of the drying air on the properties of the seeds. The data obtained were compared with empirical equations and the resulting semi-empirical literature. Since the Page equation is analyzed between the equations that best represents the experimental data according to statistical criteria adopted. Assessment of germination, regardless of substrates, which are germitest paper germibox tanks and soil showed that the seeds are suitable for replanting. It was possible to obtain, after drying, seed with adequate humidity values for the storage and physiological qualities contribute to the perpetuation of these embryos and dissemination of higher plants in nature.
Análise do ciclo de vida energético de projeto de habitação de interesse social concebido em light steel framing
(Universidade Federal de São Carlos, 2012-03-08)
Carminatti Júnior, Riberto
;
Paliari, José Carlos
;
https://lattes.cnpq.br/9387796929252598
;
https://lattes.cnpq.br/7770833599788902
The construction industry in Brazil has great importance both socially and economically, but generates more than 50% of municipal solid waste and consuming large quantities of raw materials, energy and water. Thus the sector is strategic under the environmental point of view, since small changes in their processes cause the reduction of environmental impacts. To meet the current housing shortage, many building systems are being employed in the country, among which, the Light Steel Framing (LSF), which consists of a rational building system, and industrial productivity. The aim of this study was to simulate the amount of embodied energy original (EEi) of a standard project aimed at social housing using the LSF as a constructive system, applying the concepts of Life Cycle Analysis of Energy (ACVE). To achieve this goal initially was held to review the literature on sustainability, and LSF construction system ACVE. Following the adjustment was made for a project for social housing in structural masonry designed to LSF. From the specifications for materials and components, their respective values of the quantitative EEi and held the simulation of the quantity of EEi considering three scenarios: project conceived in structural masonry concrete block, masonry, structural ceramic blocks and LSF. Comparing the results of three simulations, it was concluded that the project designed masonry structural ceramic blocks showed the lowest absolute value of the EEi in relation to other systems simulated (117.6 GJ and 3.0 GJ / m² ), with the LSF presented an intermediate value (154.3 GJ and 3.9 GJ / m²), but very close to the masonry of ceramic blocks, while designed masonry concrete blocks had a higher value (262 , 0 GJ and 6.6 GJ / m²), largely due to the high value of IAS adopted for the concrete. It is noteworthy that these results should not be extrapolated as EE values were used for materials and components used in these construction systems referenced in the international literature, which indicates the need to build a national database about.
Avaliação de um programa de formação sobre recursos de alta tecnologia assistiva e escolarização
(Universidade Federal de São Carlos, 2012-03-09)
Lourenço, Gerusa Ferreira
;
Mendes, Enicéia Gonçalves
;
https://lattes.cnpq.br/1474728505225459
The right to an appropriate education for students with cerebral palsy requires the provision of resources that will help individuals to improve their performance in everyday tasks more efficiently and independently. The term assistive technology is a term used to refer to a broad range of devices and services, helping individuals achieve greater success in their activities, by improving their functional capabilities. In the case of students with cerebral palsy, assistive technology, which includes devices that involve advanced electronic and computer-based technology, can ensure learners have full access to the curriculum. However, implementation of such a system is a complex process, because it includes students of varying learning abilities; apparatus; task to be performed; and the environment; and moreover, an essential element of its successful implementation is the involvement of a skilled and experienced team of professionals. The aim of the study was to develop and implement a specific assistive technology training program to facilitate the learning process for students with cerebral palsy, and evaluate their effects. The collaborative research project encompassed the development of a training program and its subsequent implementation with a team of professionals in a special school in a town located within the state of São Paulo; and then this program was further evaluated. The participants were nine special education teachers and five professionals of the interdisciplinary team (physiotherapists, speech therapists and psychologist). Nine students with cerebral palsy also participated. The data were collected through focus groups, field notes, open questions on the questionnaires, and videotaping. The results show that the program was effective in promoting positive training for using these resources, and furthermore, that collaborative working between staff and researcher was of overriding importance. The challenge is to find out how to promote the concept into practical actions in order to meet the requirements of established methods. From the results, systematic reviews were carried out and then it was recommended the adoption of a new model for training in this area and to be used within the country, in a didactic format, that enables professionals to be acquainted with their new roles, for successful implementation of assistive technology as tools to access to learning, permanence, and the accomplishments in the development of inclusion process.
Avaliação das condições operacionais na taxa de evaporação de água em leito de jorro
(Universidade Federal de São Carlos, 2012-03-09)
Bitti, Maisa Tonon
;
Freire, José Teixeira
;
https://lattes.cnpq.br/2270677706718167
;
https://lattes.cnpq.br/5406791392147422
In this work, the influence of operating conditions on the evaporation rate of water was analyzed for drying in a spouted bed. Experiments were done for two different inlet air geometries and inert particles loads for variable paste feed flow rates and inlet air temperature and velocity. Distilled water was employed as standard paste and glass beads of 2,18mm and 2512,6 ± 0,1kg/m3 as the inert phase. The drying chamber consisted essentially of an inox cylindrical column with 120cm in height and 30cm in diameter, and a conical bottom with an angle of 60° and 23cm high. The orthogonal central composite design was used to specify the experimental conditions. Inlet air temperature and velocity, bed pressure drop, exhaust temperature and dry and wet bulb temperature at the cyclone were measured during the experiments. Results have showed that the inlet air geometry had a weak influence on the bed fluidynamic stability. The maximum evaporation rate for both inlet air geometries was of 60ml/min, under operating conditions of 115ºC 1,55u/ujm and for 8,5kg particle load. An experimental correlation was proposed to estimate de rate of water evaporation as a function of the independent variables considered. With the experimental design analysis on the water evaporation rate it was possible to identify the most significant factors that influence the process. The information obtained in this work may be the basis for future work in this field with real pastes.
Na urdidura das ruínas : o percurso criativo de Douglas 'Machado em Um Corpo Subterrâneo
(Universidade Federal de São Carlos, 2012-03-09)
Vaz, Patrícia Costa
;
Monzani, Josette Maria Alves de Souza
;
https://lattes.cnpq.br/0505156751073470
;
https://lattes.cnpq.br/7985361916073009
The research contains the study of the creative process of the documentary Um Corpo Subterrâneo (2007), of the brazilian filmmaker Douglas Machado, with the theorist horizon of the studies of process critique. The link of our analysis is the understanding of the creation as a network in process , (SALLES, 2006, p.19) and, therefore, the research proposes the dive into the creation of the documentary, going beyond the analysis of the final film. We will go through the paths of creation with the genetic dossier of the director (note books, editing script , still, edited versions, interviews, among others), and data from his biography and filmography with value to this study that allows to build hypothesis and establish possible relations between these materials and the work that resulted from these connections. Those connections that define the narrative proposal chosen by the filmmaker, that privileges the construction of the other by the memory of the grief, and that point to the poetic project of the director.
Investigação do monitoramento metacognitivo de crianças diante de medidas de capacidades intelectuais
(Universidade Federal de São Carlos, 2012-03-09)
Zampieri, Marília
;
Schelini, Patrícia Waltz
;
https://lattes.cnpq.br/6185333517392859
;
https://lattes.cnpq.br/5365770092073082
Metacognition can be defined as the knowledge people have about their own cognitive processes, which can help them plan, monitor, regulate and assess their cognitive activities. Studies in the field have produced instruments and measures designed to assess metacognitive performance, many of them based on Flavell s Model of Cognitive Monitoring andas well as Nelsons and Narens model. The present study focused on gaining a better understanding of metacognitive monitoring, which is usually assessed through judgements, which represents one way of measuring metacognition. The aim of the present study was to investigate children s metacognitive monitoring during the execution of three subtests of the BMI (Multidimensional Battery of Child Intelligence), based on the Cattell-Horn-Carroll s model of intelligence. The subtests chosen assessed quantitative knowledge, crystallized intelligence and fluid intelligence. Participants were 44 fifht-year students, and each child was individually evaluated. Following each of the subtests, children were asked to estimate their performance. Results showed that children s repertoire included metacognitive abilities, and some metacognitive monitoring rates were better for quantitative knowledge . When these abilities were compared relative to cognitive performance, those with the highest scores on the intelligence subtests demonstrated better metacognitive monitoring. These results, obtained with Brazilian children, are compared with results reported in the international literature, and the implications in terms of promoting metacognitive training are discussed.
O ensino de análise combinatória com aulas expositivas e fichas de aula em uma escola de ensino médio do interior paulista
(Universidade Federal de São Carlos, 2012-03-09)
Silva, Rodrigo do Carmo
;
Malagutti, Pedro Luiz Aparecido
;
https://lattes.cnpq.br/5462523657624050
The following paper is a description of a research performed with second year of high school students, in a school in the inland of the state of São Paulo, over the topic of Combinatorial Analysis. Such topic is normally neglected in this teaching level. According to the National Teaching Parameters (Parâmetros Curriculares Nacionais PCN), the topic of Combinatorial Analysis is a theme with its place in the normal contents of the second year of high school, being so, the intervention was performed with students of this level. The intervention entails two Diagnoses Files (one applied in the beginning of the research, and the other in the end, serving as a comparison tool) and three Classroom Files, which take into consideration all the Combinatorial Analysis to be developed in High School. Each Diagnosis File has 5 exercises about counting, and each Classroom File has a summary of the theory developed with the participation of the teacher and the students in the form of theoretical and practical classes, and some exercises for the application of the theory developed in the Classroom File. Analysis, comments and comparisons collected by the teacher in the application of the classroom files are described in this paper. The final product of this Master degree thesis is available in the web site of Programa de Pós Graduação em Ensino de Ciências Exatas PPGECE (Postgraduate program of exact sciences teaching): www.ppgece.ufscar.br
Produção de hidrogênio e etanol em reator anaeróbio de leito fluidizado: avaliação do desempenho de três materiais suporte em diferentes condições operacionais
(Universidade Federal de São Carlos, 2012-03-09)
Barros, Aruana Rocha
;
Silva, Edson Luiz
;
https://lattes.cnpq.br/9270383646400992
Hydrogen and ethanol production using microorganisms is a promising area of technological development from a wide variety of renewable and alternative to this production is the use of anaerobic fluidized bed reactor (AFBR). One of the factors that most influence the performance of the AFBR is the material support, which must provide abrasion resistance, porous surface conducive to colonization by microorganisms, easy to achieve fluidization and ability to promote mass transfer between the medium and biofilm. Thus, the objective of this study was to evaluate the influence of different support materials (polystyrene - R1, grounded tire - R2 and polyethylene terephthalate (PET) - R3) on producing hydrogen and ethanol using three anaerobic fluidized bed reactors. Each reactor had a total volume of 4192 cm3 and was fed with media containing glucose as the carbon source (4000 mg L-1) with an influent pH around 5.0 and an effluent pH of about 3.5, a hydraulic retention time (HRT) of 8 1 h at a temperature of 23 2 ºC, with thermal treatment of the inoculum. For hydrogen production, the best performance was achieved with R2 (2.11 mol H2 mol-1 glucose), providing the highest H2 content in biogas (60%). In all reactors, the predominant soluble metabolites were acetic acid, butyric acid, lactic acid and ethanol, with small amounts of propionic acid. The reactor R2 produced more acetic and butyric acid (434.74 and 1013.61 mg L-1, respectively). However, reactor R3 showed a better performance for ethanol production (1941.78 mg L-1).
Os Tupi, os Mbya e os outros: um estudo etnográfico da Aldeia Renascer - Ywyty Guaçu
(Universidade Federal de São Carlos, 2012-03-09)
Danaga, Amanda Cristina
;
Peggion, Edmundo Antonio
;
https://lattes.cnpq.br/9849805103860827
;
https://lattes.cnpq.br/8230760897259077
This dissertation presents an ethnographical research of the relationships between the Tupi Guarani from Village Renascer with the Guarani Mbya and nonindians. The purpose was to understand the formation history of the village within its particular context: the recording of the film titled Hans Staden. I try to articulate how this community is organized within an area of environmental protection and how they establish a strict dialogue, either with other indigenous groups or non-indians, based on the notion of "culture . There is a convergence between the Guarani Mbya, but is also an emphasis on demarcation of alterity. The Tupi Guarani highlights that come from a mixture of Tupinambá and Mbya, besides of the non-indians. This self-description is present in the speech of other villages of the coast of São Paulo state, which are part of a circuit of reciprocity, marking the existence of a Tupi Guarani territoriality that is multisite.
O uso do hipertexto na aula de língua inglesa: promovendo o desenvolvimento da oralidade por meio de novas práticas de linguagem
(Universidade Federal de São Carlos, 2012-03-09)
Faria, Elaine Risques
;
Paula, Sandra Regina Buttros Gattolin de
;
https://lattes.cnpq.br/9228036521343293
;
https://lattes.cnpq.br/6181109593794740
This research aims at investigating the use of hypertext in the English Language classroom. The central argument of the study is to promote the development of the oral language through new language practices, because with the advances offered by the development of new information and communication technologies (NICTs), especially the Internet, there is a transformation in today´s society, also called the information society. This change reflects a need for the school, students and teachers, different from the one we had some time ago, since the NICTs take the educational processes beyond the walls of the school and they promote new ways of acquiring and producing knowledge, besides promoting new ways of interaction among the individuals emphasizing the necessity of developing the oral hability in English, for a good performance in both personal and professional activities. In this sense, we understand that the school becomes responsible for promoting new language practices, new literacies, mainly the digital literacy. But there is a lack of studies that show alternatives of changes in teaching and learning methodologies in order to meet this new generation of learners. Thus, in order to combine technology to the process of teaching and learning the English language and seeking to minimize the gap presented by Xavier (2005), regarding the lack of research that shows effective results of the use of hypertext in education, we chose using hypertext as a resource to promote oral English language in an extracurricular course offered to students of a language and literature course. In this qualitative research of ethnographic base, we used a questionnaire, focus group interviews, self-reports and field notes as instruments of data collection, in order to answer the following guiding questions: 1) What is the student´s perception on the hypertext as a resource to develop the oral ability? and 2) Does the use of the hypertext and, consequently, of the Internet help to develop the digital literacy and the new roles of students and teachers in the information society? The data obtained revealed that the hypertext, through its characteristics of non-linearity and hypermodality, was effective in promoting the development of the oral language in English, and it also allowed the development of digital literacy at the same time that it led to the development of the new roles of teachers and students to act in today's society - the information society.
Vivência dos trabalhadores da construção civil no contexto da gestão público-privado e os impactos para sua saúde
(Universidade Federal de São Carlos, 2012-03-12)
Borges, Elisa Silva
;
Scopinho, Rosemeire Aparecida
;
https://lattes.cnpq.br/4770451465556845
;
https://lattes.cnpq.br/4239458999600653
In this dissertation, it was possible to contribute to the discussion on the health of workers in the area of construction, housing projects promoted by the partnership between public and private bodies. Despite being an important sector for the Brazilian economy, the literature is scarce, especially in psychology, studies on how workers experience the impacts of the conditions and labor relations, offered by the managers on their health. Based on theoretical and methodological framework of Social Epidemiology, the psychodynamics of work and ergonomics of the authors, this work was to study how the servants and builders of a housing project in a municipality of São Paulo, experienced the relations and conditions work offered by local organization partnerships, business and Caixa Econômica Federal. To this end, we identified the different roles of the implementing partners of the works; known relations and working conditions, rates of illness and related benefits were raised. Information was obtained through questionnaires, interviews, direct observations, archival research and analyzed by means of triangulation and the subsequent definition of categories, built from examination of consensus and disagreements identified in the content of the speeches. The results showed that the work funded by the Pro-House was marked by the logic of capital, which led to poor conditions and labor relations. Workers who accompanied the insertion of the master builder, first as a facilitator of communication with managers and, secondly, as loss of control over small decisions made by the collective. The qualification, even if not provided by the managers, through courses, when the organization of work allowed, workers develop new skills. Security measures at work were palliative, but the workers were used on defensive strategies and mobilization, which differed according to the employment relationship. However, some workers became ill or resigned because they could not always overcome the organization of work.
Modelos de crescimento sob restrições externas: uma abordagem à la Thirlwall para o Mercosul
(Universidade Federal de São Carlos, 2012-03-12)
Lezcano, Johana Martinez
;
Rodrigues, Rodrigo Vilela
;
https://lattes.cnpq.br/7066100737307566
;
Oliveira, Maria Aparecida Silva
;
http://lattes.cnpq.br/3455553543736709
This dissertation aims to analyze the long-term economic growth of member countries of Mercosur, making use of the Keynesian approach to growth under external constraint. In this context, we seek to test, empirically, the validity of Thirlwall's Law, in traditional and extended formulations, to Argentina, Brazil, Paraguay and Uruguay, between 1980-2008. Were employed econometric techniques of cointegration, in order to measure the income and price elasticities of demand for imports of these economies, individually. Furthermore, statistical tests were used to compare estimates of product to actual data. Thus, we intend to provide a better understanding of the role of restrictions arising from the Balance of Payments, on the long-term trajectory of growth of nations of the bloc. The results indicate the validity of Thirlwall s Law, over the period analyzed, arguing that the growth of the economies in question was restricted by the balance of the external sector.
Riqueza ictiofaunística e aspectos hidrogeomorfológicos de rios e riachos das regiões de cabeceira e de planície de inundação da Bacia Tocantins-Araguaia, Brasil Central
(Universidade Federal de São Carlos, 2012-03-12)
Araújo, Nicelly Braudes
;
Peret, Alberto Carvalho
;
https://lattes.cnpq.br/0995579236780271
;
https://lattes.cnpq.br/4448572899802231
This study aims to characterize the hydromorphological variables that structure the ichthyofauna and see if there is difference in the estimated species richness and species richness of families and trophic groups between the rivers and streams sampled and between the headwaters of the Araguaia and Tocantins basins and different environments sampled, floodplain and regions of the head. The samples were taken from 30 watercourses, of which 12 belong to the basin of the Tocantins and Araguaia basin to 18. For analysis of the ichthyofauna were considered species richness and abundance of individuals of families and trophic groups. The variables considered were pH, conductivity, dissolved oxygen, water velocity, width, depth, light and turbidity. The results showed that the location of watercourses in the floodplain of the Araguaia River basin or in the regions of the head independent of the basin was the main factor that defines both the number of species and the similarity of the ichthyofauna. The streams included in the flood plain of the Araguaia basin that are favored by the heterogeneity of the habitat had the highest number of species. Instead, the head of watercourses, shallow, narrow and with the presence of rocks, which are characterized by reduced habitat had low values of richness of the fauna, which was structured by varying pH and conductivity. On the other hand, as the species richness of families and trophic groups no significant difference between the headwaters of the Araguaia and Tocantins river basins, however between different environments, headboard and plain, the basin of the Araguaia River, this difference was significant. Among the regions of the headwaters of the Araguaia and Tocantins river basins, both families and trophic groups are more species-rich at the points of the head of the Tocantins, because, despite their similar characteristics, the majority of the data points presented in the headwaters of the Tocantins be more conservative with respect to the presence of riparian vegetation. On the other hand, the species richness of families and trophic groups in the different environments sampled in the Araguaia basin, plain and headboard, showed that the lowland region is richer in species, which presents important feature, the heterogeneity of habitat that offers great diversity of shelter and food resources.
O funcionamento do discurso político : o Twitter na campanha presidencial de 2010
(Universidade Federal de São Carlos, 2012-03-12)
Pires, Livia Maria Falconi
;
Sargentini, Vanice Maria Oliveira
;
https://lattes.cnpq.br/1406919572611392
;
https://lattes.cnpq.br/4769798375720121
El objeto de estudio del analisis del discurso fue, en su fundacion, en las finales 1960, especialmente, del discurso politico. En ese momento, hubo una gran efervescencia politica y el discurso considerado la zona de enfrentamientos ideologicos y que mueve, por lo tanto, amplios intereses de la sociedad. Nuestro momento historico no esta constituido por una situacion politica tan efervescente como la de mayo de 1968 en Francia, la cual motivo varios debates en el campo del analisis del discurso, pero, asi como en el momento frances, el movimiento en periodo de campana electoral brasilena tambien promueve "una exasperacion para la produccion de los discursos, una multiplicacion de su movimiento, una riada verbal que llena (y rellena) las calles y los medios de comunicacion" (Courtine, 2006, p. 40), rasgo que consideramos pertinente. Los medios de comunicacion son diversas y diferentes unos de otros, la amplitud de los mismos es enorme, en el caso de internet llega a ser inconmensurable. De caracter mas subjetivo y aspecto suave, el discurso politico producido en los ultimos anos circulo en varios terrenos mediatico que cooperan entre si. El elector contemporaneo, inmerso en esta sociedad capitalista de la exacerbacion de consumo, incluyendo consumo de informacion, es por ella sediento, asi transitando obligatoriamente por diversos medios de comunicacion y se constituyendo por ellos. Es comprensible que el internet sea mas un lugar de emitir el discurso politico que, a priori, solo aparecia en el espacio reservado de antemano o especificado (propaganda politica por la television, panfletos, folleto de propaganda electoral con fotografia y numero de los candidatos para cargos publicos). Vemos, entonces, un sitio no realmente destinado, especificado a la propaganda politica, pero que fue tomada: el Twitter (red social de microblogging). Por lo tanto, nuestro objeto de analisis esta compuesto de declaraciones publicadas en Twitter, bajo los nombres de los principales candidatos presidenciales, en la campana electoral de 2010: Dilma Rousseff, Jose Serra e Marina Silva. En la estela de la teoria del analisis del discurso de la linea francesa, hubo la movilizacion de estudios de Michel Pecheux, J.-J. Courtine junto con el pensamiento de Michel Foucault, el proposito de este documento es mostrar como esta estructurado el discurso politico en el entorno digital, en este caso, en las redes sociales llamada Twitter, mostrar, desde las marcas linguisticas, las regularidades marcada por las identidades y las diferencias en el discurso politico en Twitter.
Análise e zoneamento ambiental da área de proteção ambiental dos rios Ligeirinho e Leãozinho (Erechim, RS)
(Universidade Federal de São Carlos, 2012-03-13)
Decian, Vanderlei Secretti
;
Santos, José Eduardo dos
;
https://lattes.cnpq.br/8533387365058570
;
https://lattes.cnpq.br/0892952958256844
It was accomplished the analysis and environmental zoning of Ligeirinho and Leãozinho Environmental Protection Area, municipal district of Erechim, RS, with the objective of the environmental quality and ecological sustainability diagnosis. The Environmental Protection Area was submitted to the "Green Revolution process, during the decade of 1970, when the agriculture starts to alter the products, the sources of energy and the instruments used in the production, intensifying the crisis of the natural resources quality. Information related to Hydrography, Clinography, Soils Classes, Environmental Legislation (Law 4.771/65-BR) and Environmental Zoning (Law 4297/2002-BR) were used for the environmental analysis. With base in GIS techniques, as support to the information crossing and landscape synthesis, a proposal of Environmental Zoning was elaborated with the definition of five zones: Zone of Sustainable Use (44.89%); Zone of Diversified Use including areas of Pasture/Agriculture (26.15%), Pastures (1.17%), and Fruit Culture (0.30%); Zone of Permanent Preservation (7.49%); Zone of Restoration (7.36%), and Zone of Conservation (12.63%). The Environmental Protection Area area is quite heterogeneous with relationship to the land uses, with wide prevalence of the agricultural activities (74.70% in 2003 and 73.70% in 2010); the Permanent Preservation Areas evidence recovery of the index covering for native vegetation (41.17% in 2003, and 50.45% in 2010), reflecting the intensification of the environmental control in relation to the hydric resource. The environmental zoning is proposed to order the use of APA Rivers Ligeirinho e and Leãozinho, which will ensure the environmental quality of natural resources in order to ensure the improvement and maintenance on water availability, fulfilling the role and objectives that a Conservation Area for Sustainable Use should play.
Procedimento de picking em um centro de distribuição utilizando princípios lean
(Universidade Federal de São Carlos, 2012-03-13)
Gontijo, Layla de Barros Lima Marques
;
Politano, Paulo Rogério
The companies included in a globalized environment, so as to ensure their competitiveness and profitability, are seeking to implement operational excellence programs that aim at customer satisfaction (service level achieved at a fair price) and its employees. The lean philosophy has been pervasive in all sectors, and in the entire chain of value stream, as a means of getting to win this excellence and differentiate themselves in the international market. The distribution centers, and specifically the activity of picking, present themselves as a key point in this chain when considering improvements, since depending on the type of distribution center, the cost of labor associated with picking coul be significative. Coupled with the cost, the time of this activity substantially affects the cycle time of application, ie, the time between receiving a customer order and correct delivery of products. This study therefore aims to contribute to the understanding of the gains that can be obtained with the use of tools and concepts of "Lean thinking" implemented in picking procedure in a distribution center. To this are presented two proposals to do the picking process. The proposals built based on concepts of lean tools are simulated using the Simio, simulation software , and compared with the current process. The analysis of simulation results helped to find out what the procedure for picking has the best performance and satisfies customer requirements.