Browsing by Issue Date, starting with "2016-07-25"

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Sentidos no espaço urbano : os dizeres de Gentileza dentro e fora da cidade
(Universidade Federal de São Carlos, 2016-07-25)
Yado, Thaís Harumi Manfré
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Sousa, Lucília Maria Abrahão e
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https://lattes.cnpq.br/8828821460772801
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https://lattes.cnpq.br/1687549626100744
This research has as theoretical scope the principles of Discourse Analysis (DA) French second array concepts postulates by Michel Pêcheux. We have the goal of building joints and analysis between the echoes the name of the Prophet Gentileza and his work – Urban book circulated by the space of the city of Rio de Janeiro. Through the discourses present in urban areas – social, symbolic, heterogeneous spaces, memory, full of meanings, movement of senses, spaces of enunciation. In the first chapter, we present how the businessman José Datrino becomes the Gentileza, after the burning of a circus in the city of Niterói. In the second chapter, we expose the traits that the subject position Prophet suffered over time, with your symbologies and influences. In the third chapter, we report about the Urban book, as the Prophet Gentileza turned a series of walls ashes in poetry in the open and that senses this artistic intervention can influence the life of the townspeople. In the fourth chapter, we show the deletion of the work of the Prophet that happened after his death, as the power of the State is imposing, but through the power of social movements that order-deletion given by the State is reviewed and the work is retrieved and protected as cultural heritage. And in the fifth and final chapter, we present echos the voice in Gentileza caused in society and that we can hear the echoes and references from their production, these echoes were shifted to other contexts and applied differently, but we can still see the features that refer us to the Prophet and his work, Urban book.
O Grupo de Intervenção Rápida (GIR): a gestão intramuros do encarceramento em massa no Estado de São Paulo
(Universidade Federal de São Carlos, 2016-07-26)
Miranda, Yasmin Lucita
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Sinhoretto, Jacqueline
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https://lattes.cnpq.br/7743699562476490
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https://lattes.cnpq.br/6094218478877173
Taking into account the transformations and characteristics of the prison scenario of the state of São Paulo, between the decades of 1990 and 2000, defined by specificities such as mass incarceration, the new inmates' profile, the operation of criminal organizations and the expansion of the prison system throughout the state, the research aimed at understanding the social actors' perceptions surrounding the activities related to the SAP of São Paulo under the context of the elaboration and working dynamic of the GIR, that is comprised by ASP under the responsibility of the SAP. According to official informations, GIR aims to act in the prevention and intervention of rebellions and mutinies within the São Paulo prisons, its creation dates 2001.Our hypothesis is that the GIR was developed to combat the so-called criminal gangs within the prisons, especially the First Command of the Capital (PCC), because it was assigned the role of the two major riots in São Paulo prison system, the first in 2001 and the second in 2006. Along with this, we analyzed the creation of the post of Convoy Agent and Penitentiary Surveillance (AEVP), also in 2001, which characterizes an apparent demilitarization of prisons. The research was composed by qualitative methods, with the features: qualitative interview with social actors that surround the activities related to SAP, the documental research concerning laws, resolutions and projects relating to prison management and the review literature of the issues that circumscribed our interest. The analysis of the research material was accomplished following the guidelines proposed by Michel Foucault concerning speech analysis, considering, mainly, the exclusion procedures that manage and control speeches and the subjects that enunciate them. The main findings of this research show the development of political, legal and institutional arrangements within the SAP that promoted their autonomy under the Public Security of the State of São Paulo, through the expertise of its employees, especially the ASP part of the GIR and the AEVP. The replacement of the Military Police (MP) for these two groups did not mean a demilitarization of the prison. However, it became evident that the arrangements, as GIR, comprise a set of measures to assist in the management of a prison mass multiplied in a short period and imposed challenges for its administration. Moreover, these arrangements share a common characteristic that is present not only in the administration performed by SAP, but throughout the area of Public Security: the lack of transparency of the data and procedures.
Existência e semicontinuidade de atratores global, pullback e de trajetórias
(Universidade Federal de São Carlos, 2016-07-27)
Belluzi, Maykel Boldrin
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Schiabel, Karina
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https://lattes.cnpq.br/2677541143976758
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https://lattes.cnpq.br/4072119689022816
The mainly purpose of this paper is to study the asymptotic behaviour of abstract evolution equations. The first part of this work is dedicated to the attraction theory for univoque autonomous and nonautonomous problems and for multivoque autonomous problems. After that, we analyse the existence of the appropriate type of attractor for a reaction-diffusion equation (autonomous and with uniqueness property), a variation of the previous equation (which makes it no longer possible to ensure the uniqueness property) and a delayed differential equation (non-autonomous). For the two lasting equations, we also investigate the upper-semicontinuity of the families of the corresponding attractors.
Uma plataforma para disponibilização centralizada de dados abertos governamentais como suporte para aplicações no contexto de cidades inteligentes.
(Universidade Federal de São Carlos, 2016-07-27)
Veira, Daniel Ianegitz
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Álvaro, Alexandre
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https://lattes.cnpq.br/9929982894313130
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https://lattes.cnpq.br/5010369436467934
The Smart City (SC) concept aims to promote dynamic and flexible systems to the cities, that interact with each others and help to maintain the stability and scalability of it’s resources and services, usually through sensors and collectors, with high implantation and maintenance costs. On the other hand, the Open Goverment Data (OGD) are data relationated to the governamental activity, available on the Internet. The publications are fragmented in dierent and uncorrelated portals, also do not follow a standard pattern format. Thus, this work proposes a platform to collect and distribute OGD in a centralized way, in order to provide consolidated information to the context of SC. Also, two validations of this proposal are presented, the first one promoting the solidification of the platform and the second one being an experimental study applied at the academic environment, were eight graduation students where supervisionated, divided into two groups, during the development of two SC projects, consisting of comparative and graphic visualization OGD portals. The experimental group used the platform proposed here as a OGD source, and the control group used OGD collected directly through the governmental transparency portals. At the end of the study, with the intention to find benefits in the utilization of a centralized platform, statistical tests were applied to the collected metrics, and expressive advantages to the experimental group were found, related to the quantity of source-code lines and the development time, indicating that the platform oered benefits during the cycle of development of the project.
Estudo do perfil químico de Cyperus rotundus e avaliação do seu potencial de absorção de metais
(Universidade Federal de São Carlos, 2016-07-27)
Souza, Poliana Pereira de
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Silva, Maria Fátima das Graças Fernandes da
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https://lattes.cnpq.br/0457632122660653
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https://lattes.cnpq.br/6076960598053817
The following work describes the comparative study of the variation between chemical profiles of plants of the Cyperus rotundus species – where one was collected at Vale S.A.’s dumping ground in Canaã dos Carajás city, Sossego Mine (an area contaminated by heavy metals), and compared with another of the same species collected at an adjacent area (noncontaminated by heavy metals) – through the development of analytical methods such as HPLC-UV, NMR, LC-UVSPE-NMR, LC-MS/MS, as well as through the use of chemometric tools (PCA). Statistical methodologies and chemometric analyses associated with data generated by NMR allowed, through fingerprint profiles, the discrimination between the contaminated and non-contaminated plants and the characterization of some compounds that contributed significantly to such discrimination. ICP-AES analyses were also made, in order to determine metal concentrations in different plant tissues. When analyzing the variation between chemical profiles of plants of the Cyperus rotundus species through fingerprints and data obtained from HPLC-UV-SPE-NMR and LC-MS/MS, it was possible to detect variations regarding mainly phenylpropanoid acids, fatty acids, carbohydrates and aromatic compounds, among others, which were found sometimes in the contaminated plant, sometimes in the non-contaminated plant, sometimes in both, although at different concentrations. It was also observed that in most samples spectra showed much more intense and well-defined peaks for the contaminated, thus highlighting that these compounds can be involved in the defense mechanism of the plant in a situation of oxidative stress caused by metal contamination. The results of the metal determination analyzes by ICP-AES showed much higher concentrations of the Cu element in the vegetative aerial parts of contaminated plants (921 mg/kg) in relation to the non-contaminated (3.7 mg/kg), due to this metal being the main resulting product of the local mining site. It was found that practically all metal concentrations are considerably larger in the contaminated plants when compared with the non-contaminated, therefore suggesting the hyperaccumulating behavior of the Cyperus rotundus species
Resolubilidade local para duas classes de campos de vetores suaves complexos
(Universidade Federal de São Carlos, 2016-07-28)
Nunes, Luciele Rodrigues
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Santos Filho, José Ruidival Soares dos
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https://lattes.cnpq.br/6112529384454347
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https://lattes.cnpq.br/0471344391122229
This work study complex linear partial differential operators of order one without having terms of zero order (complex vector fields). We have established a necessary and suficient condition for local solvability of a class of operators which are not elliptic precisely in a 1-dimensional submanifold and we construct solutions for a class of operators satisfying the condition (P) and which are not elliptic precisely in a point.
Citotoxicidade de complexos de rutênio contendo aminoácidos sulfurados em células tumorais
(Universidade Federal de São Carlos, 2016-07-28)
Leite, Celisnolia Morais
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Batista, Alzir Azevedo
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https://lattes.cnpq.br/6469642481998660
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Moreira, Wania da Conceição
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https://lattes.cnpq.br/3016270106775634
The work presents the synthesis and characterization of three new ruthenium II complexes containing sulfur amino acids, to evaluate the probable influence of the amino acids on the complexes cytotoxic activity. The complexes were characterized by 31P, 1H and 13C NMR, infrared and UV-visible spectroscopies, cyclic voltammetry and differential pulse voltammetry, molar conductivity, elemental analysis, and monocrystal X-ray diffraction. The studies of lipophilicity showed Log P values for the compounds, within the limits indicated by the literature for good absorption. The reactivity study of the complexes showed that in compounds 1 and 2 there is an exchange of ligands when exposed to DMSO, generating several species in solution after the period of 48 h. While in compound 3 this exchange did not occur. In the interaction studies of the complexes with the DNA, results of spectrophotometric titration and viscosity were obtained, which indicated that the compounds interact weakly with the DNA, which may be electrostatic or between the grooves. In the study of the interaction of the complexes with the HSA, by spectrofluorimetric titration, the compounds showed a binding constant (Kb) of the order of 104, which indicated that the compounds interact with the HSA, with the mechanism of static interaction and the involved forces, are hydrophobic forces. The cytotoxicity of the complexes also evaluated against breast cancer cell lines (MDA-MB-231 and MCF-7) and a non-tumor cell, V79 (Chinese hamster fibroblasts), in which the compounds were active. The complex 2 stood out for presenting a selectivity index good (3.79) about the triple-negative breast tumor line (MDA-MB-231). Therefore, the results obtained in this study were relevant to contribute to the generation of knowledge about the importance of amino acids in the planning of new compounds as potential antitumor agents
Relação entre a certificação pela norma NBR ISO 14001 e a ocorrência de penalidades ambientais em organizações do estado de São Paulo
(Universidade Federal de São Carlos, 2016-07-28)
Rino, Carlos Alberto Ferreira
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Salvador, Nemésio Neves Batista
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https://lattes.cnpq.br/9930582531600560
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https://lattes.cnpq.br/7281970846784858
This work had as general-purpose search for a relationship between certification by Standard ISO 14001 and the occurrence of environmental penalties in organizations in the São Paulo State. It also had the objective to develop and apply a Penalty Reduction Indicator (PRI) to evaluate quantitatively the effectiveness of environmental management systems in relation to the reduction of penalties and a critical analysis of the accreditation and certification systems in Brazil. First, the INMETRO site, was conducted the survey of companies certified by ISO 14001 in the state of São Paulo. Later, lifting the number of penalties applied by CETESB these certified companies was done from January 2001 to June 2015. From there, we analyzed which companies had reduced the number of penalties after the implementation and certification ISO 14001. It used as intentional sampling criteria the companies that received more than five penalties in the period, thus forming a group of fourteen companies. Through qualitative analysis, on eleven companies verified the benefit of reducing the number of penalties. In four of these companies, the benefit occurred over time. In three companies has not verified the benefit of the reduction in penalties. The quantitative analysis performed by applying the IRP was possible for eleven of the selected companies. The IRP calculated showed that seven of these eleven companies (63.6%) had the indicators acceptable rating ("GREAT" and "GOOD"). Four companies (36.4%) were the indicators classified "REASONABLE" and "BAD", indicating that, for these, the Environmental Management System is not yet consolidated, improvements should occur. IRP was robust and efficient, indicating the importance of quantitative analysis and the use of a numeric indicator to corroborate the results obtained in the qualitative analysis. It is concluded that the implementation and certification of an Environmental Management System according to ISO 14001 can bring benefits to businesses because the implementation of a preventive culture, development of methodologies and procedures for environmental aspects and impacts, actions and responses to control and emergency documents (all items of ISO 14001). These can lead to a reduction in number of penalties. Finally, this study found that for the accreditation system, the activities developed by INMETRO are important to the pursuit of quality of certification bodies and consequently the certification processes. However, it found that this system still has some deficiencies. The paper also pointed out some deficiencies in the certification system, with recommendations for improvements.
Tris(trimethylsilyl)silane and visible-light irradiation : a new metal- and additive-free photochemical process for the synthesis of indoles and oxindoles
(Universidade Federal de São Carlos, 2016-07-29)
Silva, Gustavo Piva da
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Paixão, Márcio Weber
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https://lattes.cnpq.br/3773908504964104
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https://lattes.cnpq.br/0433962216004187
A combined tris(trimethylsilyl)silane and visible-light-promoted intramolecular reductive cyclization protocol for the synthesis of indoles and oxindoles has been developed (Scheme 1).1 This straightforward and efficient protocol shows a broad functional-group tolerance and enables rapid and practical synthesis of functionalized nitrogen-based heterocycles in high/moderate yields under additive and metal-free, mild photochemical conditions. Besides the synthetic developments, the reaction mechanism was also investigated by a set of controlled experiments and UVvisible analyses, as well as kinetic study.2 From these studies, we have concluded that the reaction pathway for this strategy occurs through an Electron Donor-Acceptor (EDA) complex.3 to be continued ...
Fadiga de ligas de titânio com superfície modificada com nanotubos
(Universidade Federal de São Carlos, 2016-07-29)
Bortolan, Carolina Catanio
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Oliveira, Nilson Tadeu Camarinho de
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https://lattes.cnpq.br/5165925219822865
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Bolfarini, Claudemiro
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https://lattes.cnpq.br/9231627080617037
Among the surface modification techniques to improve the fixation, biocompatibility and corrosion resistance of titanium implants, one of the most recent and promising is the electrochemical anodization in electrolytes with fluoride ions. This technique results in the formation of highly ordered arrays of titanium oxide nanotubes on the surface of these materials. Many researchers evaluated the biological performance of these arrays and obtained satisfactory results, showing that the formation of hydroxyapatite and cellular development are higher after its formation. However, there are no records about the study of fatigue behavior of titanium alloys after this surface treatment; an essential evaluation since the surface conditions of the implants influence the fatigue properties, especially crack nucleation, and the orthopedic implants are subjected to cyclic loads when in service. In this context, the objective of this research was to evaluate the effect of the formation of TiO2 nanotubes, through electrochemical anodization technique in a solution containing fluoride ions, on the fatigue performance of Ti-6Al-4V and Ti-6Al-7Nb alloys, using the staircase method to develop fatigue tests and taking the polished surface condition as reference. SEM, AFM and XRD techniques were applied to characterize the surfaces and to support the fatigue results. The fatigue limit for 5 million cycles, calculated by the statistical method of Dixon-Mood, was maintained for the Ti-6Al-4V alloy (846MPa ± 13 MPa) after the formation of nanotubes on its surface and presented an insignificant reduction in statistical terms for the Ti-6Al-7Nb alloy (846 MPa ± 13 MPa for the polished surface condition and 825MPa ± 11 MPa for the modified surface). The maintenance of fatigue properties of the alloys after electrochemical anodization was mainly attributed to the small scale of the average lengths of the nanotubes and to the existence of a compact oxide layer in contact with the metal substrate (corresponding to the completely closed bottom of nanotubes).
A geometria no ciclo de alfabetização : outros olhares a partir do PNAIC 2014
(Universidade Federal de São Carlos, 2016-07-29)
Francischetti, Elisângela Aparecida
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Passos, Cármen Lúcia Brancaglion
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https://lattes.cnpq.br/2297203444364327
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https://lattes.cnpq.br/3590894642507602
The present research aims to identify the perceptions of four literacy teachers, based on their own perspective, regarding the received continued formation; identify and analyze pedagogical practices for mathematical literacy from the perspective of literacy; and identify the marks of this formation in relation to the teaching and learning of geometry, as a result of the National Pact for Literacy in the Right Age (PNAIC), in 2014. The methodology of this study is qualitative in nature. Data collection was carried out in two schools of a municipal school network in the interior of São Paulo and consisted in the following instruments: questionnaires and semistructured interviews provided by the teachers, and classroom observations of the pedagogical practices of mathematical literacy, containing the perceptions of the researcher, recorded in a field diary. The research on teacher training was based on the contributions of Nóvoa (1999), Tardif and Raymond (2000), Tardif (2000; 2002), Mizukami et al. (2002), Reali (2009), Imbernón (2010) and Candau (2011). In relation to the teaching of mathematics in the initial years, we considered the studies of Nacarato, Mengali and Passos (2011) and Serrazina (2012) and, regarding the teaching and learning of geometry in the initial years, we referred to the research of Lorenzato (1993), Passos (2000), Pavanello (1989, 1993, 2004), Nacarato and Passos (2003, 2014) and Conti (2015). The results, products of the analysis of the answers emitted by the surveyed teachers, show that from the formations of the PNAIC there was an amplification of teaching practices contextualized in the classes of mathematics, fruit of didactic interventions that stimulated the construction of the mathematical knowledge in a significant way considering the teaching role as a key element of this construction of teaching knowledge. The program also developed, in the teachers, a greater awareness on the importance of the development of geometric thinking since the early years of the literacy cycle, expanding the pedagogical possibilities both in the figural and the conceptual elements. The pertinence of this research is based on the social relevance of the theme, seeking a theoretical deepening on the concepts of mathematical literacy in the perspective of geometry literacy, teaching and learning in the literacy cycle, as well as professional teacher development; thus, collaborating to the development processes of the professional's autonomy and consequently aiming at improving the quality of mathematics teaching in the literacy cycle.
Nanoestructured catalysts for organic reactions: design, synthesis and applications
(Universidade Federal de São Carlos, 2016-07-29)
Lima, Carolina Guimarães de Souza
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Paixão, Márcio Weber
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https://lattes.cnpq.br/3773908504964104
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https://lattes.cnpq.br/8050810029110335
The development of more efficient and selective catalysts actively contributes for the design of safer, cleaner and less energy-demanding processes, and, therefore, catalysis is one of the cornerstones of green chemistry. In this sense, supported-heterogeneous catalysts represent a great advance in this field, especially because they overcome the difficulty in catalyst separation associated to homogeneous catalysts. In this context, this thesis is focused on the development of nanostructured materials for application in Organic Synthesis. In Chapter 1, a brief introduction regarding fundamental concepts in catalysis is presented, focusing on the synthesis and application of magnetically recoverable catalysts. Chapter 2 described the design, preparation and characterization of a new magnetically recoverable niobium nanocatalyst for application in the synthesis of 3,4-dihydropyrimidinones via Biginelli reaction. The catalyst (Fe3O4@Nb2O5) was prepared by coating magnetite nanoparticles with niobium oxide by using a simple wet impregnation method. The developed protocol was applicable to a wide range of aliphatic and aromatic substrates, and structurally diverse products were obtained in excellent yields. Additionally, the nanocatalyst could be easily separated from the reaction mixture with the aid of a magnetic field and reused several times without any losses in its catalytic activity. Moreover, experimental observations provided an insight into the reaction pathway. Chapter 3 describes the synthesis and characterization of a magnetic ZSM-5 zeolite with core-shell type structure for application on the valorization of bio-derived furfuryl alcohol. The magnetic HZSM-5 zeolite catalyst was prepared by the encapsulation of magnetite particles in the zeolite grains using a cationic polymer followed by calcination and next, an ion exchange to obtain the zeolite in its acid form. Remarkably, the catalytic system displayed a tunable selectivity to γ- valerolactone, alkyl levulinates and even levulinic acid by simply changing the reaction conditions. Furthermore, the catalyst could be easily recovered and reused for several reaction cycles without significant losses in its catalytic activity.
Estudo e caracterização de acabamentos acrílicos para pisos
(Universidade Federal de São Carlos, 2016-07-29)
Caressato Junior, Carlos Alberto
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Silva, Caio Marcio Paranhos da
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https://lattes.cnpq.br/7793686262868668
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https://lattes.cnpq.br/8987383853019778
Through this work, it was possible to develop comparative analysis for acrylic floor coatings mainly used for resilient floors. The objective here was to make the performance evaluations less subjective and also create scientific arguments to compare the three commercially available products evaluated in this study. Some analytical methods, such as mechanic wear, infrared (ATR), thermal analysis like DSC and TGA, water vapor permeation and sortion in water, made it possible to understand better the behaviors like cure and physical-chemical resistance of these floor coatings, as well as it will be useful for future new product developments.
Junho, 2013 : o acontecimento discursivo transmídia
(Universidade Federal de São Carlos, 2016-07-29)
Padovani, Gustavo
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Massarolo, João Carlos
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https://lattes.cnpq.br/3308336910966465
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https://lattes.cnpq.br/2674652563269825
The manifestations occured in June 2013 in Brazil were marked by a large content production by a great diversity of users, indie medias and the traditional media. Whitin this premise, this research uses discourse analysis as a methodology to observe how interactions between contents produced by users in platforms as Facebook, YouTube, and the Twitcasting and media portals promote a discursive transmedia happening. As a study case, the research also analyses the alternative media collective Mídia Ninja, analyzing its production structure and how it´s contents promoted interactions with the traditional media, promoting discutions on the new relationship between activism and media.
Sistema de auxílio a navegação em ambientes internos para pessoas com deficiência visual usando visão estereoscópica
(Universidade Federal de São Carlos, 2016-08-01)
Chiqueto, Thiago Sousa
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Pedrino, Emerson Carlos
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https://lattes.cnpq.br/6481363465527189
Considering the high rate of people with some kind of visual impairment, and, moreover, that most of these people have a low income, this work is proposed to create a navigation system in indoors environment through equipment low cost. Using Python as programming language, together with the OpenCV library, the main objective of this research is to extract a disparity map and perform testing on different platforms with application filters images generated by the stereoscopic vision camera Minoru3D for mapping indoor environments, informing the user the free way for locomotion.
Termodinâmica, um tutorial para entendimento do conceito de entropia
(Universidade Federal de São Carlos, 2016-08-01)
Gregio, Nivaldo de Oliveira
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Camargo, Paulo César de
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https://lattes.cnpq.br/5032837663989281
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https://lattes.cnpq.br/7498219721631343
This dissertation is intended to be used by high school teachers and contains a set of concepts that leads to the understanding of entropy and its applications in the classroom. It begins with the definition of thermodynamics, through the study of the first and second law, showing the relevance of choice of the thermodynamic system, the nature of its boundaries, the variables of the thermodynamic transformations, ending with Carnot cycle and the reversibility and irreversibility concepts. The ideas of microstates and macrostates is introduced with the use of models easy to be used in the classroom, enabling the students to obtain quantitative results for disorder and therefore for entropy. The increase of entropy is associated with irreversible transformations and with energy degradation leading to effects on life and on the environment. The purpose of this dissertation is to provide tools for teachers, so that the Carnot cycle and the entropy concept can be used more significantly, with a broader view allowing teachers and high school students to have a better understanding of natural phenomena appreciating to learn new concepts.
Conservação da energia mecânica : uma sequência didática inspirada na ideia de UEPS
(Universidade Federal de São Carlos, 2016-08-01)
Silva, Renato Peron da
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Pessanha, Márlon Caetano Ramos
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https://lattes.cnpq.br/6347223505034848
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https://lattes.cnpq.br/3721841210228863
This study aims to propose a didactic sequence involving the use of resources and diversified activities applied to the teaching of Conservation of Mechanical Energy and its applications. The didactic sequence was based on the Theory of Meaningful Learning and the idea of concept maps, taking into consideration the principles and present steps in Potentially Meaningful Teaching Units (PMTU). In the didactic sequence of concepts approach is through reading popular science short texts involving different contexts and applications, through an animation and a computer simulation, using questionnaires, including a mathematical formalization, and the use of conceptual maps. The elaborate didactic sequence was implemented in a class of 1 st year of high school, in a private school in the city of Ribeirão Preto, SP. In general, the application of the teaching sequence obtained good results. In addition to satisfactory learning outcomes, it was noticed the involvement of students in the proposed activities, showing satisfied with the dynamics of classes, and even explaining that they facilitated the understanding of the study content, especially those involving conceptual and computing resources maps. From the results, it is understood that the educational product developed, a didactic sequence guided by the idea of PMTU, has a potential in terms of promoting the learning of mechanical energy conservation concepts can be implemented in other contexts.
Tomada de decisão sobre a alocação de estoques na indústria automobilística
(Universidade Federal de São Carlos, 2016-08-02)
Cardoso, Fábio Germano
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Vieira, José Geraldo Vidal
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https://lattes.cnpq.br/2068340476477363
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https://lattes.cnpq.br/7768668684010089
Logistics has been a differentiator more and more important among automakers, since quality, price and technical characteristics have been moving towards a common ground. In order to seek for additional differentiation, companies focus on strategies of stock allocation that allow them to either increase revenue or reduce costs. Stock allocation strategies within the companies requires the decision between centralizing and decentralizing stocks. Present research aims at investigating the decision process about stock allocation for auto parts in aftersales Market, and analyzing what the important criteria for such a decision are. It was conducted a descriptive research with that purpose. It was investigated relevant criteria within literature and validated through questionnaires performed with dealership. Because dealers are the ultimate responsible for the brand image to the customer, they also participated in criteria and alternatives ponderations. Then, it was possible to suggest a final decision for stock allocation, through the organization of all criteria and alternatives in a decision tree together with their weights. Research results seems to suggest the necessity that automakers focus the aftersales resources in increasing their service level to dealership through stock decentralization, as a method to increase their revenue in long-term. Present research contributes to management because it investigates which are the relevant criteria and their weight for centralization decision. In addition, the use of multi-criteria decision making aid to suggest a postponement decision in auto parts distribution chain also represent a contribution.
Ensinando operações com grandezas físicas vetoriais no ensino médio através de uma unidade de ensino potencialmente significativa
(Universidade Federal de São Carlos, 2016-08-03)
Reis, Antonio Fernando
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Azevedo, Priscila Domingues de
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https://lattes.cnpq.br/0544842819862603
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Studart Filho, Nelson
The student learning obtained by memorizing the information transmitted by the teacher's narrative, for further reproduction in the assessment, shows that the classic way of teaching, leads to a mechanical and not significant learning. The proposal of this study is to report the development and application of a Potentially Meaningful Teaching Unit (PMTU) proposed by Moreira, based on the Theory of Meaningful Learning of Ausubel. The proposal was drawn up using the PMTU steps in which, at first the survey of students' prior knowledge about the theme vectors was performed through the collective construction of a conceptual map and then the content of vectors was presented more generally through problem- situations. From that on, each vector operation was addressed more specifically, aiming the progressive differentiation and the integrative reconciliation. The students' performance was accomplished through their active participation and motivation in solving the problem-situations, in class debates, in the construction of maps, in simulations and video productions, that is with the use of The Information and Communication New Technologies of (ICNT). The concepts that were discussed and presented in accordance with the steps of PMTU: scalar greatness, vector greatness, trigonometric relationships in the triangle rectangle, vector addition by the polygon, the parallelogram and components methods, scalar product (real number) by one vector, scalar product and vector product of two vectors. The use of this sequence showed the evidence of occurrence of significant learning by the students and, therefore, many of the difficulties of high school students understanding have been overcome, since they are now familiar with the determination of some physical greatness, through operations with vectors presented in analytical geometry.
Análise da governança plural em franquias agroindustriais: casos de carnes e hortaliças no Centro-Oeste e Sul do Brasil
(Universidade Federal de São Carlos, 2016-08-04)
Rodrigues, Fernanda Chaves
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Paulillo, Luiz Fernando de Oriani e
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https://lattes.cnpq.br/9919942357089937
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https://lattes.cnpq.br/4224347800783976
The Transaction Costs Economics is an important analytical tool in the study of microeconomic organization of firms, especially concerning governance structures adopted by them. Although it is a widespread theory, as the New Institutional Economics as a whole, its empirical application is still incipient in the context of organizational plurality, given that it aims deterministic solutions where transactional attributes align to an optimum governance, which minimizes transaction costs. However, companies often combine alternative forms of governance for the same type of transaction in a given institutional environment, which suggests that the understanding of governance is richer than the choice of alternatives modes of coordination. Therefore, it is extremely desirable the incorporation of plural forms phenomenon to Transaction Costs Economics, so in this research it is proposed, through two case studies, to identify the factors that influence the adoption of plural forms of governance on small size regional franchises from agrifood sector, on structuration and those are suppliers/producers of premiums goods. The choice of franchises as study object due to the fact that these are empirical cases of organizational plurality by excellence, because is usual the concomitant operation of owned and franchisees stores, besides the abundant data about the sector. Moreover, the focus in the agrifood segment is justified by its importance to the Brazilian economy, and mainly by the intrinsic peculiarities of its products – such as perishability and seasonality –, inducing agents to adopt solutions that are faster and more efficient in the management of their businesses. Size, niche market, time and operating range are regularities observed in both cases, similarities that allow comparing them to obtain higher-level theoretical findings, which abstract from the specificities of units analysis. Not only it was listed the reasons why such franchises adopt the organizational plurality, but also this study contributed to the incorporation of plural forms in the analytical scope of traditional Transaction Costs Economics. This research contributed to it in three ways: a) it was evident that the particularities of agrifood chains and products play an important role in the use of organizational plurality in the cases examined; b) the concepts of complexity, strategic behavior and ambiguity proved to be empirically valid and robust at the explanation of the phenomenon of plural forms, and the attributes of transactions contributed to this due to the various interfaces found between them and the other studied constructs; and c) the traditional factors that usually define the optimal hierarchical level in a franchise network, also help to justify why to adopt the organizational plurality in the examined companies, mainly to lead to an increased market power and better strategic positioning of the franchisor front of their franchisees.