Browsing by Issue Date, starting with "2014-09-12"

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Modelo de mistura com dependência Markoviana de primeira ordem
(Universidade Federal de São Carlos, 2014-09-12)
Meira, Silvana Aparecida
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Milan, Luis Aparecido
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https://lattes.cnpq.br/6806130522153613
We present the mixture model with first order dependence, MMM(1). This model corresponds to a redefinition of the hidden Markov model (HMM) where a non observable variable is used to control the mixture. The usual mixture model is a particular case of the MMM(1). The proposed redefinition makes easier the application of usual estimation tools as the EM algorithm. We present the maximum likelihood and Bayesian estimators for the normal and binomial cases of the MMM(1) and usual mixture models. Simulation studies show the functionality of the proposed models and their estimators. And finally we present an application to a real data set for the binomial case.
Síntese de derivados de chalconas e de 2-quinolinonas visando a busca por inibidores das enzimas cruzaína e da família BET bromodomain
(Universidade Federal de São Carlos, 2014-09-12)
Vieira, Lucas Campos Curcino
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Corrêa, Arlene Gonçalves
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https://lattes.cnpq.br/7425467156776144
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https://lattes.cnpq.br/1662838473695956
The first part of this work involved the synthesis of chalcone derivatives towards the development of inhibitors of the enzyme cruzain from Trypanosoma cruzi. Different green chemistry approaches were employed to functionalize chalcones as the use of alternative solvents as well as source of energy. A new Suzuki cross-coupling methodology for synthesis of functionalized chalcones was developed, employing PEG-400 as solvent under microwave irradiation. The use of organocatalysis in the 1,4-addition of α,α-dicyanoolefins to α,β- unsaturated carbonyl system provided products with good yields and excellent enantiomeric excess. It was also developed a new synthetic route for the synthesis of γ-butenolides from chalcones. The key step was accomplished using montmorillonite K10 clay as catalyst and ethanol as solvent... (CONTINUE)
Entre sambas e rezas: vivências, negociações e ressignificações da cultura afro-brasileira no Bexiga
(Universidade Federal de São Carlos, 2014-09-15)
Nascimento, Larissa Aparecida Camargo do
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Silvério, Valter Roberto
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https://lattes.cnpq.br/2944662931217514
In the late nineteenth century there was formed the Quilombo Saracura in Bexiga. Later there was an intense process of territorial / racial redefinition which promoted the shift of the black downtown area of São Paulo to Bexiga. This stream was concomitant with the arrival of Italian immigrants in the neighborhood. The black population lives in this area until the present day, but different medias represents the Bexiga as a typically Italian region in Sao Paulo, erasing the contributions from other social groups. Given the process of racialization and asymmetrical relations, this research presents as general purpose to investigate how the black culture in the neighborhood are interpreted by self-declared black subjects. For this, was researched a samba school, a Candomblé and a black pastoral that marks this urban context. Besides the direct observation, were realized interviews based in the history of life. Given that the culture undergoes transformations and that identity is not fixed, was analysed the translation, ressignification and/or tensions between different cultures and identities. The research is based on theorists of Cultural Studies, especially authors who works from a Postcolonial Perspective.
Nanotecnologia verde em uma perspectiva CTSA: análise de uma proposta didática WebQuest para a alfabetização científica na educação básica
(Universidade Federal de São Carlos, 2014-09-15)
Bernardinelli, Silvia
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Zuin, Vânia Gomes
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https://lattes.cnpq.br/5265150425993880
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https://lattes.cnpq.br/2971868369597851
The objective of this work was to evaluate the teaching resource WebQuest and the topic of green nanotechnology in order to promote scientific and technological literacy in basic education. Specifically, we tried to identify the perceptions of students of nanotechnology; analyze the relationships among science, technology, environment and society (STES) established by the students when researching into nanotechnology; verify the learning of school content of chemistry by the students when it comes to nanocapsules of controlled release; and finally, check the acceptance of the WebQuest proposal by the students. The results showed that nanotechnology and the WebQuest resource are of great potential to promote scientific literacy in basic education. The students were guided to reflect on the relationships among science, technology, environment and society (STES); thus, developing the critical thought necessary to good citizenship. The approach also showed it is possible to relate basic school content of chemistry (pH, solubility, chemical equilibrium, equilibrium shift, etc.) to contents regarding nanotechnology, even though the students showed certain difficulty learning the school contents in order to understand the nanocapsules of controlled release. WebQuest, a teaching resource already successful for oriented online research activities, was also shown to be a very adequate tool to promote scientific literacy, as long as the task is oriented for such purpose.
Influência do tratamento superficial da nanocarga nas propriedades mecânicas de curta e longa duração de um nanocompósito de PEEK/nHA
(Universidade Federal de São Carlos, 2014-09-15)
Marcomini, André Luís
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Bretas, Rosario Elida Suman
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https://lattes.cnpq.br/2805349172281345
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https://lattes.cnpq.br/8025503925662254
In this dissertation the mechanical properties of short and long term of PEEK/nHA nanocomposites with potential application as orthopedic implants were studied. The nanohydroxyapatite (nHA) was surface-treated with the coupling agent aminoethylaminopropyltrimethoxysilane (AEAPTS). After treatment, the nanoparticles were mixed with the polymeric matrix of poly (ether ether ketone) (PEEK) in a twin screw extruder. Subsequently specimens of the nanocomposite were injection molded. These specimens were subjected to mechanical tests to have their properties compared with the pure polymer and the nanocomposite with the pure nHA. First, tensile tests were conducted; through these analyses, it was found the stress and strain at break increased. The presence of the silane increased the fatigue life of the nanocomposite suggesting a higher interaction between the matrix and the nanofiller. The impact tests confirmed the higher resistance of the sample with silanized nHA. It was concluded that the silanization of the nHA was effective, strengthening the interface PEEK/nHA; however, silane molecules also plastified the polymer matrix. The injected test specimens were subjected to annealing. The objective was to determine how the increase in crystallinity induced by annealing influenced the mechanical properties. After the annealing, the presence of the silane did not cause significant changes in the mechanical behavior of the material. Analysis of scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA) were done in order to characterize the structure of the nanocomposites. The morphology observed in the micrographs was correlated with the dynamic mechanical properties. It was concluded that the nanocomposite with silanized nHA besides having elastic modulus behavior similar to natural bone, also had a more homogeneous structure than the nanocomposite with pure nHA.
Resistência à corrosão e ao desgaste de recobrimentos metálicos produzidos com ligas amorfizáveis a base de ferro
(Universidade Federal de São Carlos, 2014-09-15)
Berger, José Eduardo
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Botta Filho, Walter José
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https://lattes.cnpq.br/8956458007749112
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https://lattes.cnpq.br/4495446891074324
Amorphous Iron-based alloys can be processed in such a way that, if well designed, it can ensure an attractive combination of mechanical and electrochemical properties, particularly in petrochemical industries where high level of wear and corrosion resistance is required. The success in obtaining such properties is dependent on the design quality, which is dependent on the level of technical-scientific knowledge of the area. Thus, in the present work, we attempted to conciliate a scientific study and a practical application. The work was divided into three parts, the first one is: the evaluation of corrosion resistance of amorphous alloys in the form of ribbons prepared by melt spinning from pure elements; the second one is: the characterization and evaluation of electrochemical properties of amorphous ribbons made of superduplex commercial alloy modified with boron (SDM) in front of the crystallization level. And, in the last part, a more practical application was developed, where in partnership with Hydro-Québec in Canada, the HVOF thermal spray process in substrate pipes used in drilling wells by Petrobrás Company was performed. Powders from spray forming and high energy ball milling as ZOZ mill type were produced, the coatings showed different levels of crystallization. In this way it was possible to conciliate the results with those obtained from previous steps. The characterizations were performed by several techniques such as XRD, DSC, SEM, TEM, EDS, MO, analysis of hardness and porosity. The corrosion resistance properties were evaluated from the polarization curves for high salt media (35 g/L NaCl) and the coatings were evaluated by abrasive wear tests on dry sand/rubber wheel. The results indicated a large capacity of alloy SDM to achieve a combination of properties such as corrosion and wear resistance.
O papel da iniciativa pública na produção nacional de games
(Universidade Federal de São Carlos, 2014-09-15)
Linzmayer, Gustavo de Castro
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Santiago, Glauber Lúcio Alves
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https://lattes.cnpq.br/9385173410103898
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https://lattes.cnpq.br/5186806883884478
To fulfill its purpose, we will get this work started from the present conditions of the national videogame production. That is a rising industry with increasing attention from the national state because of its potential in many aspects, such as the economical, educational and artistic ones. At the same time, the industrial polices are restricted and discontinuous and the development experiences take place with a great deal of inequality, and the production is concentrated mostly in some specific locations, without a large development tradition. Because of that, we have chosen to carry out case studies about videogames produced with support resources from state agencies industrial polices. Thus, we search to analyze the effects of these initiatives in specific videogames, on their inherent content and form as well as aspects such as their team design, work method, their relationship with supporters and the task of videogame advertising and distribution. We search, in this sense, to understand how state oriented industrial policy can be seized, what are the difficulties faced by producers, the result oriented most successful ways of conduct and the mistakes that were made along the way. Such a manner, we propose to indicate some possible coordinates and prospects for the foreseeable future of the national videogame production.
Políticas públicas para mulheres: implementação e desafios ao enfrentamento da violência no município de São Carlos
(Universidade Federal de São Carlos, 2014-09-16)
Leandro, Amaranta Ursula Fiess
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Justo, Carolina Raquel Duarte de Mello
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https://lattes.cnpq.br/9209489935777843
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https://lattes.cnpq.br/9552450378941725
The present work analyses the public policies related to confronting violence against women in São Carlos city, between 2008 and 2012, from the field research carried out along with various bodies responsible for their implementation in a local sphere, regardless of being associated with the federal, state or municipal sphere of the government. The bodies are: Center of Reference for women (CRM), Women Police Station (DDM), public defender, Care Program for Women Victims of Sexual Violence (PAVAS) and Laboratory of Analysis and Prevention of Violence (LAPREV). From the documents and interviews carried out with representatives from two of these bodies, the research tried to respond: a) if the actions taken by them are based on the National Policy for Confronting the Violence against Women and Maria da Penha Law; b) which means, strategies and difficulties were found for taking such actions; and c) if there is an interconnected network in federal and intersectoral terms for the integral assistance to women victims of violence in São Carlos. The study attempts to rescue the history and reflection about the appearance of human rights, as well as the struggle of women s movements to recognize and guarantee their interests, freedom and rights, with an approach based on feminism, gender issues and the recognition of the violence against women as a public problem, which resulted in the development of the public policies for women both in international and national sphere. It was concluded that there has been a recent empowerment of these policies in Brazil through the development of law and institutional tools that broadened and directed the protective measures for women. In the case of São Carlos city, they also contributed to the local management course and initiatives, associated with the commitment to the cause, and enabled the creation of a service network integrated with all the bodies and services, although its growth, allied to a civil education of respect to women, consists of challenges to be faced in the management and implementation of more efficient policies to combat violence against women in the city.
Um estudo sobre o desenvolvimento de jogos orientado a modelos com codificação manual
(Universidade Federal de São Carlos, 2014-09-17)
Prado, Ely Fernando do
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Lucrédio, Daniel
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https://lattes.cnpq.br/9090396559596221
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https://lattes.cnpq.br/3306310971220379
The electronic gaming industry has recently witnessed an exponential growth in terms of titles and overall complexity of the games. This growth is responsible for many advances in computational technologies. But it also revealed problems related to the development process. It is very common that game projects exceed budget and schedule, not to mention the high number of bugs delivered to the final consumer. Current tools that support the development of games, such as game engines, allow great flexibility and artistic freedom, but require professionals with a high degree of technological knowledge, which means that a high financial investment is often needed. To help solving these problems, the literature suggests the use of Model-Driven Development (MDD). The increased abstraction level made possible through MDD can lead to higher reuse levels, and the automation achieved by code generation helps to reduce development time. But for automation, the developer often has to pay the price of reduced flexibility since the MDD exists a lack of flexibility in designs, but with manual code that can be overcome. Given these challenges, it is proposed an approach for game development that targets models to offer efficiency but without losing the flexibility in projects. This goal can be achieved through the integration of multiple DSLs with handwritten code, with the help of design patterns. To evaluate this approach, it was developed a tool capable of assisting the development of games following the concepts of MDD, which was subsequently subjected to experiments to validate its effectiveness. According to the experimental analysis, it was possible to observe that the proposed approach can provide the desired efficiency and flexibility in game development. It was also noted that due to the automation offered by code generators, inexperienced developers could create their projects with greater ease. However the study indicates that abstraction offered by MDD hinders the learning of the technology used.
Foucault, a modernidade e o sujeito
(Universidade Federal de São Carlos, 2014-09-17)
Hack, Rafael Fernando
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Monzani, Luiz Roberto
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https://lattes.cnpq.br/2036732603638197
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https://lattes.cnpq.br/3518590850086569
Ce travail vise à analyser la constitution du sujet moderne dans la pensée de Michel Foucault. Pour ce faire, nous prétendons révéler l‟archéologie à l‟oeuvre dans la généalogie. Cela s‟observe particulièrement, c‟est ce que nous nous proposons d‟étudier, dans la présence de l‟épistémè (concept largement discuté dans l‟oeuvre Les mots et les choses) dans les mécanismes de pouvoir présents durant le classicisme et la modernité. Ainsi, nous visons à observer la relation entre « l‟ère de la représentation », historiquement attribuée à la période classique des XVIIe et XVIIIe siècles, et « l‟ère de l‟histoire » contenue entre les XIXe et XXe siècles, appelée également modernité par Foucault, et leurs savoirs et pouvoirs contemporains respectifs. Dans un premier temps, nous vérifions la relation entre l‟épistémè classique et les autres savoirs discutés par le philosophe pendant le classicisme de la période archéologique. Ensuite, nous vérifions la relation qui se joue entre pouvoir et savoir durant la période citée précédemment pour nous approcher de l‟archéologie de la généalogie. Dans un second temps, notre recherche, procédant analogiquement, se consacre à l‟analyse de la modernité. Cela favorise le rapprochement entre épistémè d‟une part et les autres savoirs discutés durant la période archéologique d‟autre part, de même que cela induit la vérification de la relation entre archéologie et généalogie dans la constitution du sujet moderne.
O descentramento e a desracialização do nacional: estado, relações étnico-raciais e ações afirmativas no Brasil
(Universidade Federal de São Carlos, 2014-09-18)
Medeiros, Priscila Martins
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Silvério, Valter Roberto
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https://lattes.cnpq.br/8021362429861754
In this text we examined the actions of the Brazilian government, in its different dimensions, compared to the social demands and academic debates on the ethnic-racial relations. Our thesis is that race and affirmative action with racial criteria categories intend to demarcate the nation and an important frontier in Brazilian scholarship on ethnic-racial relations, unraveling the processes of racialization present in the country's history. They intend to destabilize the nation, disarticulate and implode some of the pillars of the national discourse constructed throughout the twentieth century, namely: the Brazilian people - condensed in the discourse of mixed nationality; the myth of harmonious coexistence among ethnic and racial groups; and the notion that Brazilian racism would be harmless or residual. The central objective that guided this study was to understand the conceptual and ideological ruptures and transformations within the national-state in the course of antiracist struggles and achievements of rights. More specifically, we had the following objectives: to observe the concepts that guided the Brazilian intellectual production with regard to race relations in different historical moments; rescue the major elements present in the struggles of the Brazilian black movement in the highlighted period; understand which dialogues and which deadlocks present in the relationship between the state, the black movement and academia. In temporal terms rescued, first, some (social, political and theoretical) elements occurring in Brazil and elsewhere throughout the nineteenth and twentieth centuries and that assist us in understanding the current situation. Subsequently, we focus on the period stretching from the 1980s to the present day, when it opened a new scenario to think Brazilian racism due to reformatting of the Black Movement, the adoption of the Federal Constitution of 1988 and the emergence of affirmative action. The analysis is diachronic, since it prioritizes the processes, but also focuses attention on critical events, such as the Afonso Arinos Law; the Federal Constitution of 1988; the Durban Conference (2001); the National Curriculum Guidelines for the Education of Ethnic-Racial Relations and the Education of African-Brazilian and African History and Culture; decisions of the Supreme Court with respect to coordinates (2012), among others.
Cientometria aplicada a materiais para armazenamento de hidrogênio
(Universidade Federal de São Carlos, 2014-09-18)
Chanchetti, Lucas Faccioni
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Ishikawa, Tomaz Toshimi
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https://lattes.cnpq.br/5726055117451807
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https://lattes.cnpq.br/1941077901210789
Fossil Fuels have been used for more than a century as energy sources and vectors. Albeit their high energy densities and easy transport and containment, their availability is limited and they are notorious local pollution and global warming drivers, delivering no sustainability. Hydrogen Fuel Cells are a promising alternative for its substitution. However, more technological development is necessary for the production, conversion and especially for the storage of Hydrogen. Several materials absorb hydrogen, storing it through physical or chemical bonds. Innumerous research efforts have been conducted for the discovery of new such materials and for the enhancement of their hydrogen storage properties. The present work attempted to quantify these efforts through Scientometrics, revealing their time evolution, main material classes and work strategies of countries and institutions. Scientific Publications in the field were collected and processed by Text Mining associated with Bibliometrics. Technological Indicators were elaborated and analyzed with Technological Forecasting and Competitive Intelligence tools. We mapped the time evolution of the publications in the field, in the Materials Classes and in the main countries, the concentration of efforts per Country, and the main Institutions per Materials Class. From 2010 we observed a reduction in the number of Publications, related to the frustration of the exaggerated expectancies generated in the previous decade s Hydrogen Hype, associated with the transfer of efforts to Battery based Electrical and Hybrid Vehicles. Among the Materials classes, Metal Organic Frameworks stood out for their highest number of publications and growth, although its research only recently gained momentum. The main Countries were split into those that showed a recent growth in the number of publications and those that stagnated after 2010. From the general analysis of the field and the strategies of the main countries and research institutions, we expect to support decision making in the field, concerning amongst others: the allocation of human and monetary resources, effort directing, partnership formation and benchmarking.
Os sentidos de povo nos pronunciamentos presidenciais de posse: de 1985 a 2011
(Universidade Federal de São Carlos, 2014-09-18)
Luz, Marcelo Giovannetti Ferreira
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Piovezani Filho, Carlos Félix
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https://lattes.cnpq.br/1677609008094603
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https://lattes.cnpq.br/1026775694153077
We aim with this dissertation, conduct an analysis of discursive pronouncements tenure of the presidents of the Republic, in order to ascertain the effects of meaning of the word "people" produced in these speeches, along with the images of themselves that every president conveys, in building "us "political as well as the image of the auditorium of these pronouncements. For this, we take as our research corpus pronouncements tenure of presidents Tancredo Neves (1985), José Sarney (1985), Fernando Collor de Melo (1990), Franco (1992), Fernando Henrique Cardoso (1994, 1999), Luiz Inácio Lula da Silva (2003, 2007) and Dilma Rousseff (2011). For this, we take as our research corpus pronouncements tenure of presidents Tancredo Neves (1985), José Sarney (1985), Fernando Collor de Melo (1990), Franco (1992), Fernando Henrique Cardoso (1994, 1999), Luiz Inácio Lula da Silva (2003, 2007) and Dilma Rousseff (2011). We promote a brief characterization of the political discourse, we make a theoretical route, introducing some important caveats to our analysis of its operation. Thus, we try to show how it gives the relationship of what is meant by politics and what became known as political discourse. A third point to be addressed is the formation of identities and the legitimacy and political discourse in an attempt to better understand the subject that gives the president the power to say. Then, by considering the pronouncement presidential inauguration ritual that requires a specific discourse genre, we briefly discuss about some considerations about the discourse genre, topic that is discussed further in the discussion of specific genres and ritual part, we make a parallel between the ritual inauguration and gender pronouncement of possession. To help us meet our analyzes, we present a discussion of the notion of Production Conditions of discourse in order to show how this concept becomes productive for understanding the production of meanings in the discourse. Having analyzed the senses of people present in the above pronouncements of possession, promote, in the third chapter, an analysis of how the image is constructed in these presidential speeches, with reference to the meanings produced for "people" in the previous chapter, ie, how the subjects presidents create an image of themselves in relation to the senses of the people present in his speech. At the conclusion of this work, one can see that the sense of "people" acquires a watery consistency, slipping widely not only from a speech to another, as even within a single discourse, producing effects of various senses, which corroborates the assertion that these senses, this division does not watertight, but acquires new and constantly different contours.
Avaliação de procedimentos de digestão de amostras da cadeia produtiva de materiais escolares usando forno de micro-ondas com cavidade
(Universidade Federal de São Carlos, 2014-09-19)
Garcia, José Augusto
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Pereira Filho, Edenir Rodrigues
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https://lattes.cnpq.br/3394181280355442
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https://lattes.cnpq.br/7138636023119781
This study aimed to optimize the digestion of solid samples using microwave oven with closed flasks and understand the physicochemical parameters involved in this process. The development of this study was based on EN71 / 3 and CPSC-CH_E1001-08 standards. We performed a fractional factorial design (screening) to identify the significant variables for the process. The variables studied were volume of HNO3, heating program conditions, the addition of analytes and residual. The following responses were used to identify the most important variables: acidity of digested (%), the presence of the remaining solids digestion process (%), and recovery of previously added analytes (Pb and Cr). After identification of significant variables it was possible to set some parameters of the system and a new full factorial design 2³ (Design 1) was performed for 10 different types of samples, and the variables studied addition of H2O2, addition of analytes and sequential digestion. The responses observed were previously added recoveries of analytes (Ba, Cd, Cr, Hg, and Pb) and presence of the remaining solids digestion process (%). Data of Desing 1 was evaluated using multivariate analysis in order to detect clusters and trends among the strains. A new full factorial design 2³ (Design 2) was performed with selected samples and the following variables investigated: addition of H2O2, addition of analytes and volume of HNO3. The responses observed for Design 2 were recoveries of analytes previously added (Ba, Cd, Cr, Hg, and Pb), and comparison between the two systems digestion microwave assisted samples. The conclusions are that it is not possible to digest samples with different physicochemical characteristics in the same batch, the proposed system is not recommended for the determination of Cd and Hg and the proposed system can be used in order to perform a screening in samples.
Desenvolvimento e validação de métodos rápidos para analises de resíduos de fármacos e pesticidas em matrizes biológicas e vegetais por LC-MS/MS
(Universidade Federal de São Carlos, 2014-09-19)
Freitas, Diego Ruiz de
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Rodrigues Filho, Edson
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https://lattes.cnpq.br/3667941735597178
The increased demand for chemical analysis and the growing concern with the environment implies in the urgency for more modern analytical methods of extraction and analysis to be developed and validated, seeking a significant reduction in solvent consumption and analysis time. In the present work it was purpose to make use of modern, cheaper and faster sample extraction techniques, as well as chromatographic system based on ultrafast chromatograph systems (UHPLC), using columns packet with reduced diameter of particles that enable to reduce significantly the time of analysis, solvent consumption and reagents, and coupling with mass spectrometry (LC-MS/MS). All developed methods were fully validated according to the RDC 27/2012 and the RDC 04/2012 in the case of pesticides. All results are within the parameters required for each standard validation. An average 50% reduction in analytical costs, increasing profitability, and the productive capacity of laboratories with the reduction of materials and analysis time where achieved.
Desenvolvimento de nanocompósitos de blendas PA6/ABS compatibilizadas com copolímeros funcionalizados
(Universidade Federal de São Carlos, 2014-09-22)
Castro, Lucas Daniel Chiba de
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Oliveira, Amanda Dantas de
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https://lattes.cnpq.br/0010723066123700
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Pessan, Luiz Antonio
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https://lattes.cnpq.br/8276650236213537
Nanocomposites based on polyamide 6 (PA6) and acrylonitrile-butadienestyrene (ABS) blends compatibilized with styrene-maleic anhydride-acrylonitrile (SANMA) and methyl methacrylate-maleic anhydride (MA-MMA) were prepared by melt blending in a twin screw extruder through different mixing protocols. The nanoclay incorporation effect, different compatibilizing systems and components mixing sequence were evaluated in morphological, mechanical, thermal, thermomechanical and rheological properties. Evidences of chemical interactions between PA6 and reactive copolymers were observed by torque rheometry. XRD analysis indicates an exfoliated structure for all the nanocomposites due to the good interaction between PA6/OMMT. The significant increase in nanocomposites viscosity when compared with their respective ternary blends corroborates the results obtained by XRD. TEM micrographs show a strong influence of both reactive copolymers on polymer blends morphology, where the presence of SANMA and MMA-MA is responsible for reducing the dispersed phase particle size when compared to the uncompatibilized blend. TEM images confirm the existence of an exfoliation structure in all nanocomposites. The addition of both reactive copolymers significantly increased the ternary blends toughness when compared with PA6/ABS. Furthermore, the nanoclay incorporation enhanced the elasticity modulus and HDT of the nanocomposites but also reduced the toughness and the elongation at break when compared with their respective compatibilized blends.
O uso do software régua e compasso na aprendizagem do conceito de cálculo de áreas de figuras planas no ensino fundamental
(Universidade Federal de São Carlos, 2014-09-22)
Abreu, Silvio Luis Amâncio de
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Seixas, Wladimir
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https://lattes.cnpq.br/1697352974728327
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https://lattes.cnpq.br/4553952112717343
This research aims to use the Ruler and Compass software in performing activities that seek to build the concept of calculation of areas of plane figures at the elementary school level and to promote interaction between teacher-student and studentstudent. Also seeks to analyze the methodological ways to present concepts to calculate areas of plane figures through the use of Ruler and Compass software, worrying associate it in the school curriculum.
Consequências das orientações técnicas de matemática, realizadas pelos PCNP, na atuação dos professores e na aprendizagem dos alunos
(Universidade Federal de São Carlos, 2014-09-23)
Santos, Sara Margarida
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Pompeu Junior, Geraldo
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https://lattes.cnpq.br/7146270419829114
The main objective of this research work, at the level of professional master's degree, is to analyse and evaluate whether the Technical Guidelines (TG), conducted by Professor of Mathematics Coordinator of Teaching (PMCT), from the Board of Education of Votorantim/SP have assisted or not in improving the performance of teachers in the classroom, their professional training as well as the consequences for the learning process of students. For this, I chose as the theme of work with teachers the "Introduction to Algebra". Studies carried out in Board of Education of Votorantim, between the years 2011 and 2013, indicated that issues related to this subject showed the lowest levels of learning in students of final years of elementary and high school. The choice of this theme, too, is justified by its importance in the possible contributions it brings to the students' learning about the transposition from the "mother tongue" to "mathematical/algebraic language" during the process of solving equations of the 1st degree. The research sought to answer the following questions: (1st) The Technical Guidelines of Mathematics, performed before the study, helped to improve the performance of teachers in the classroom, their professional backgrounds and the learning process of their students? (2nd) The amendments made during the search, the Technical Guidelines of Mathematics, on the topic "Introduction to Algebra", contributed to improving the performance of teachers in the classroom, towards their professional qualifications and learning their students? (3rd) With the modifications introduced in the Technical Guidelines of Mathematics, which the facilitating factors and difficulties to in-service training and the performance of teachers in the classroom were observed? (4th) What contributions to the planning, execution, analysis and discussion of research data brought to my training "trainer of trainers in mathematics" for Elementary School, the region of Votorantim/SP? and finally, (5th) What criticisms and recommendations can be made at the end of the research? The hypotheses that the guidelines agreed in TG, prior to the survey, were worked in the classroom and that it improved the development of specific mathematical skills of the students involved were not fully supported by research conducted. Consequently, research has brought me certain that the form of TG driving Mathematics, in DE-Votorantim, should be modified in the near future. Finally, this research has great contributions to my professional life, when it comes to math, didactic and pedagogical knowledge. In personal life I learned that I need to think/investigate the whys and how to encourage teachers under my supervision to realize that learning through discoveries are rewarding.
“Contrariando a estatística”: a tematização dos homicídios pelos jovens negros no Brasil
(Universidade Federal de São Carlos, 2014-09-24)
Ramos, Paulo César
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Silvério, Valter Roberto
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https://lattes.cnpq.br/9421231847055027
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https://lattes.cnpq.br/5326866987114044
Homicides in Brazil have become a major social problem in recent decades. Young black males are the main victims. This paper presents a genealogy of the way black young people have brought the theme of murder and violence against blacks to the national agenda, from spaces of social participation, the black social movement and public youth policies. We conducted about 20 interviews with militants from black movements and other actors related to the topic. We also use data from fieldwork and participant observation, as well as reports, manifests, pamphlets and photographs, in order to understand when and how long these problems have been thematized. We tried to reflect on how the black movement thematicises violence / murder, its limits and potentials, contradictions and innovations in dialogue with social theory about recognition, identity and race relations. It has been possible to identify important moments of the trajectory of black movement, for example: violence as a reason for both performing public acts and for the emergence of organizations, such as the Unified Black Movement (MNU) until the 2000s; violence as the strongest theme of rap lyrics; and, in the last 15 years, violence / homicides against black youth as a central reason for the emergence of black youth as a new category of political action. In this work, gained prominence the Youth Alive Plan (2012-2013), the Working Group Black Youth and Public Policies of the National Youth Council (2008-2010), and The First National Conference of Black Youth (2005-2008) . Among the various ways of categorizing this issue, the term "genocide" draws attention - the was first used by Abdias do Nascimento to denounce racism and it is now widely used by social movements. Among the various forms of organization of young blacks, the claim for leadership of a brand new generation of militants is also emerging, with a set of experiences that allow them to create semantic bridges to act on the institutional sphere and demand public policies against violence.
PSF e ODM: a influência do Programa Saúde da Família para os estados brasileiros atingirem a meta de mortalidade na infância dos objetivos de desenvolvimento do milênio
(Universidade Federal de São Carlos, 2014-09-24)
Pedro, Márcio Vinícius
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Justo, Carolina Raquel Duarte de Mello
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https://lattes.cnpq.br/9209489935777843
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https://lattes.cnpq.br/2060331534435669
What influence Family Health Program‟ (in portuguese, Programa Saúde da Família, or PSF) had on Brazilian states in their attempt to achieve the Millennium Development Goals - especially on reducing infant mortality until 2015? In 2000, the United Nations along with global leaders established an international research agenda with eight Millennium Development Goals, intending to promote human dignity. The purpose of the present thesis is to evaluate the influence of the Family Health Program - the main strategy to reformulate the basic care - in reducing child mortality within Brazilian states. For this matter, I analyze descriptive and inferential statistics, with bi and multivariate techniques, and data from DATASUS, IBGE and SIGO databases. The present thesis covers the period from 2000 to 2011, when Brazil reached the goal. Throughout this time ten states went above the goal specified by ODM (1,79): in all of them the Program had low range. However, the states with higher PSF range presented higher average rates of reduction of infant mortality. Overall, the hypothesis that PSF has a positive influence on reducing infant mortality rate can be confirmed, considering that the states with higher reduction of the rate had a higher proportion of population benefiting from the PSF.