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Aplicações singulares via grupos de reflexões
(Universidade Federal de São Carlos, 2020-04-24)
Zampiva, José Rafael Borges
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Sanchis, Guillermo Penãfort
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https://lattes.cnpq.br/2614790149163179
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Tomazella, João Nivaldo
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https://lattes.cnpq.br/0051564735964760
Our objective with this essay is to describe a way to build germs of applications A-finite f:(\C^{n},0) \rightarrow (\C^{p},0) for p=2n and p=2n-1. In the case p<2n-1, we conclude that there is no germ of reflection application A-finite f:(\C^{n},0) \rightarrow (\C^{p},0) with corank f greater or equal 2.
Desenvolvimento de imunoensaio eletroquímico para detecção de anticorpos anti-Zika vírus visando o diagnóstico da doença
(Universidade Federal de São Carlos, 2020-04-24)
Castro, Karla Patrícia Ribeiro
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Gibin, Grazielle de Oliveira Setti
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https://lattes.cnpq.br/8018437774723623
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Faria, Ronaldo Censi
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https://lattes.cnpq.br/8659496864305621
Zika Virus (ZIKV) is a flavivirus transmitted by Aedes species. The disease may be asymptomatic or present clinical such as: conjunctivitis, fever, headache, and in severe cases development of fetal microcephaly and Guillain-Barré syndrome. The rapid spread of the virus and the difficulties of diagnosis require development of alternative methods for diagnosis with high specificity and sensibility. In this scenario, we proposed an electrochemical method for detection of Ab1ZIKV antibodies using magnetic beads modified with a recombinant non-structural protein (ΔNS1ZIKV) and anti-IgG antibodies labeled with horseradish peroxidase enzyme (HRP). The analytical method proposed involved the fabrication of microfluidic device and an immunoassay based in a sandwich type strategy. The device was built using low-cost materials, and the system’s layout comprised of an arrangement of 8-working electrodes, a pseudo-reference electrode, and a counter electrode. The electrochemical detection was performed based in the HRP electrocatalytic cycle by injecting a solution containing hydroquinone (redox mediator) and H2O2 as substrate. Cathodic peak current of HQ reduction was obtained as analytical signal and its intensity was proportional to the logarithm concentration of Ab1ZIKV. The immunoassay showed a linear response in the range of 0.01 to 9.8X10^5 pg mL-1 presented an equation of "Ip(µA) = 0.04 + 0.01 CAb1ZIKV" obtained by linear regression with a correlation coefficient of 0.981. The limit of detection and quantification obtained were of 0.48 pg mL-1 and 1.45 pg mL-1, respectively. The proposed immunoassay proved to be efficient for the detection of anti-ZIKV antibodies, presenting a low limit of detection, ensuring be a promise tool for diagnosis of the disease.
A educação física e as dimensões do conhecimento na BNCC: um estudo a partir dos planos do ensino dos professores de uma rede municipal de ensino
(Universidade Federal de São Carlos, 2020-04-24)
Vidotti, Pedro Henrique Carbone
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Ramos, Glauco Nunes Souto
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https://lattes.cnpq.br/0134679842280022
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https://lattes.cnpq.br/3829917896340920
The National Common Curricular Base (BNCC) approved in 2017 aims to promote changes in the curricula of the education system and schools in the country, stimulating the development of essential learning. Besides that, in the Physical Education discipline, one of the novelties is the inclusion of the eight dimensions of knowledge: Experimentation, Use and Appropriation, Fruition, Reflection on Action, Construction of Values, Analysis, Understanding, and Community Protagonism. Therefore, the purposes of this research are: a) to build an understanding of the Dimensions of Knowledge; b) to identify how they are already approached by teachers and c) to analyze and propose, together with teachers, what are the pedagogical possibilities of this concept. The research has a qualitative approach with interpretive description characteristics, employing documentary research and rounds of conversation as the data collection technique. The National Common Curricular Base and 17 didactic sequences from 8th and 9th grades designed by Physical Education teachers from a municipal education system were analysed. The round of conversations was composed of 32 teachers and the coordinator of the discipline of the education system. The information collected was classified into two categories, namely: Dimensions of Knowledge, at which each group of knowledge was prominently discussed, and Echoes, that sought to identify and interpret the participants' positions regarding the implementation of the base and the Dimensions of Knowledge. In the 17 didactic sequences analysed, were found 97 learning expectations that indicate the Construction of Values, Analysis and Understanding, and the moderation concerning Use and Appropriation, Fruition and Community Protagonism. At the National Common Curricular Base, in the 21 skills described for the 8th and 9th grades, there was a more eminent balance between the dimensions and the thematic units. We considered that the Dimensions of Knowledge are concrete possibilities to know, practice, appreciate, democratize access, develop values and understand the operation and the social aspects of bodily practices; therefore, are didactic tools for the discipline teachers to build their pedagogical proposals.
Meta-terror: o uso da metalinguagem como recurso narrativo no slasher movie
(Universidade Federal de São Carlos, 2020-04-24)
Marchi, Marcelo Eduardo
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Gamo, Alessandro Constantino
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https://lattes.cnpq.br/8208629144314123
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https://lattes.cnpq.br/5205042029981999
Slasher movies - horror films characterized by the well-known premise of the serial killer that terrifies a group of young people, such as The Texas chainsaw massacre, Halloween, Friday the 13th and A nightmare on Elm Street - were a tremendous success with audiences during the first half of the 1980s. However, after that peak, the subgenre went into clear decay, since the exhaustive repetition of its formula ended up saturating viewers. Interestingly, in the mid1990s, it was the self-reflexive use of that same formula that ended up revitalizing it: premiered in 1996, Scream achieved a huge box office, became a landmark in popular culture and gave rise to an unexpected trend of slasher movies investing on metacinema. With daring and creative films like Behind the mask: the rise of Leslie Vernon and The cabin in the woods, the post-Scream era of horror movies has left us a rich field of study regarding the use of metacinema as a narrative resource and the ability to reinvent a subgenre through its own limitations. Thus, this research seeks to carry out a historiographical synthesis of the slasher movie based on the works of authors such as Carol J. Clover, Adam Rockoff, Richard Nowell, Jim Harper, and John Kenneth Muir, with the main focus on the elements of metacinema that have been found since the beginnings of the subgenre, but which gained strength especially with the release of Scream. Based on this and in a deep film analysis of selected works, it will be possible to understand the particular way in which each film used these elements, as well as the role of metacinema in reviving the slasher and in the process of making its formula increasingly dynamic.
A participação das meninas nas aulas de Educação Física: dilemas de um professor no ensino do futsal
(Universidade Federal de São Carlos, 2020-04-24)
Malvar, Antonio Jorge Martins
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Souza Júnior, Osmar Moreira de
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https://lattes.cnpq.br/9176123942671062
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https://lattes.cnpq.br/1647102159867151
School Physical Education has always faced problems related to the participation of girls in their classes, a situation that, despite the female achievements, continues until the present day. The resistance of girls to participate in practical activities is notorious, especially when this participation takes place in mixed classes and / or requires certain skills not previously explored. This is a qualitative research, type ethnographic study, which has its problem situation materialized in the context of the limited participation of girls less competent sports in the Collective Sports Games (JEC) in Physical Education classes. The objective was to analyze girls' participation in futsal practice in school physical education classes in a 6th grade Elementary Municipal Public School located in the urban area of Feira de Santana - BA. In a futsal teaching unit were used as data collection instruments the class diaries, with records happening immediately after classes, and as a pedagogical strategy the conversation wheels with students, that have been recorded in audio and later transcribed for class diaries. After collecting and reading the analysis corpus, the data were analyzed and categorized through inductive analysis, resulting in the categories "Achievements and overcoming experienced by girls", “Difficulties and challenges faced by girls” and “The teacher's view of the teaching processes of futsal”. From these analyzes it can be inferred that both TGfU and Sport Education have the potential to assist Physical Education teachers in teaching sports at school. It was identified that a group of girls who engaged and participated in classes more effectively presented indicators of evolution from the technical-tactical point of view in futsal. In contrast, it was showed that there was a lack of didactic treatment of attitudinal knowledge who presented themselves as the biggest obstacle to the authentic participation of the majority of girls in classes, insofar as we identified that structural sexism operated through symbolic violence, oppressing and removing these students from classes. It should be noted that this sexism was not exercised without resistance movements on the part of the students, who sometimes expressed their awareness of the mechanisms of oppression and empowered themselves in the process. Despite all the difficulties faced, the speech of one of the girls at the end of the intervention, indicating that boys and girls had to learn to live together, reveals that attitudinal knowledge was being developed throughout the process coeducative, contributing to the rescue of values such as respect for differences, autonomy, interaction and collaboration.
Visualização de informações para acompanhamento de alunos em ambientes de aprendizagem eletrônica
(Universidade Federal de São Carlos, 2020-04-24)
Macedo, Maylon Pires
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Zaina, Luciana Aparecida Martinez
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https://lattes.cnpq.br/0192085115595443
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https://lattes.cnpq.br/0905286355746275
The Information Visualization area studies ways to present data graphically in an efficient way to assist the user in decision making. Education professionals have been increasingly interested in the inclusion of visualization tools to improve the analysis of Educational Data. However, tools for delivering visualizations on Educational Data do not often provide resources aligned to the needs of the target audience. The objective of this master's project was to propose a guide, called Vis2Learning, composed of recommendations to help the developer build visualizations about Educational Data applied to the context of e-learning. For each application scenario covered by the guide, the following information are provided: the most suitable graph format; your characteristics; application examples; and general recommendations to bring improvements to the data visualized through the graph. Based on a preliminary study of the literature, were found some gaps related to the process of developing visualizations in the educational scenario. A Systematic Literature Review (RSL) was conducted to understand what approaches were used in this context. Based on the results of RSL, was discovered that when developing visualizations on Educational Data, researchers tend to perform exploratory research and develop visualizations based only on examples. Vis2Learning was proposed based on an analysis of studies and results reported in the articles obtained in the initial stages of RSL. From this analysis, lessons learned during the evaluation of the visualizations developed for the educational scenario were extracted. These extractions were validated by a trio of specialists in: Educational Data Mining; Human-Computer Interaction; and Information Visualization. After extracting and validating the recommendations, the final version of Vis2Learning was defined. Vis2Learning was evaluated from two perspectives, namely: an assessment aimed to collect the perception of end users about the adequacy of views developed based on Vis2Learning for the educational scenario; while in the other evaluation, was analyzed the utility and ease perceived by developers in the use of Vis2Learning for the development of visualization prototypes on Educational Data. The result of the evaluation with the end users showed that traditional views built based on Vis2Learning were considered more suitable for the educational scenario in relation to the views built by the Google Sheets algorithm. In the evaluation with developers, the Vis2Learning helped participants to gain awareness of good practices in the development of visualizations and supported the process of choosing the visualization format taking into account the user's context.
Biologia e manejo cultural das plantas daninhas Spermacoce densiflora DC. e Spermacoce verticillata L. (Rubiaceae)
(Universidade Federal de São Carlos, 2020-04-24)
Castilho, Juliana
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Forti, Victor Augusto
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https://lattes.cnpq.br/5742976162363922
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Monquero, Patricia Andrea
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https://lattes.cnpq.br/2766526793830455
The occurrence of the false buttonweed weed (Spermacoce densiflora DC. and Spermacoce verticillata L.) in agricultural areas, especially the known MATOPIBA region (Maranhão, Tocantins, Piauí and Bahia), has become a problem, since the area is considered one of the largest grain producers in Brazil. Field observations reported the lack of chemical control of these species. As a result, the present work aimed to understand how the biology of the species Spermacoce densiflora and Spermacoce verticillata, with variables related to germination and emergence, may contribute to the development of management strategies for these weeds. In this context, four experiments were developed. In the first, the influence of light and temperature on seed germination was studied, in a completely randomized design. Six temperatures (15, 20, 25, 30, 35 ° C and 20-30 ° C) and two light conditions (presence and absence of light) and a 12-hour photoperiod were studied. It was found that the species S. densiflora is photoblastic positive, as there was no germination in constant darkness. Regarding germination, S. verticillata found that the species is photoblastic neutral, however the germination of the species is favored by the presence of light. For both species, the highest percentage of germination and germination speed index were obtained under alternating temperature. In the second experiment, the effect of sowing depth on seedling emergence was evaluated. Seven sowing depths (0.0, 0.5, 1.0, 2.0, 4.0, 6.0 and 10.0 cm) were studied. The evaluation period was 42 days after sowing. The emergence of seedlings, of both species, was maximum when placed on the soil surface. From 0.5 cm deep, there was a significant decrease in seedling emergence, and the emergence rate was zero at a depth of 10.0 cm for both species. In the third experiment, the effects of different amounts of straw (half, as recommended and twice as recommended for use) on the surface of the cover plants were studied: Cajanus cajan (Guandu beans), Crotalaria juncea (Crotalaria), Dolichos lablab (Lablab), Pennisetum glaucum (Millet) and Sorghum bicolor (Sorghum), on the emergence of species. The fourth experiment evaluated the allelopathic potential of aqueous extracts from aerial parts of species used as green manure in different concentrations (20%, 40%, 60% and 100%) on seed germination. In addition, tests were performed with PEG-6000 in order to determine the influence of the osmotic potential of the extracts. The use of cover plants can be an alternative in the integrated management of false buttonweed weeds. There was no significant difference between the different amounts of straw used, however the use of half of the recommendation was the least effective. Millet and crotalaria outperform other cover crops. Regarding the experiment with extracts, with the increase in concentrations there was a reduction in the percentage and speed of germination for S. densiflora and S. verticillata, and the osmotic potential of the aqueous extracts of the aerial part, of the cover plants varied between -0, 37 MPa and -1.24 MPa. Considering that in the experiment with PEG-6000 there was no germination of weed seeds with an osmotic potential below -0.8 MPa and that the percentage of germination in treatments at -0.2MPa and -0.4 MPa were higher than the rates obtained in the experiment with aqueous extracts of cover plants, it can be inferred that, possibly, in this interval, there was an allelopathic effect of cover plants.
Avaliação na Educação Física: análise sobre uma planilha de observação na educação infantil
(Universidade Federal de São Carlos, 2020-04-25)
Arruda, Caroline Dias de
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Godoi Jacomassi, Daniela
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https://lattes.cnpq.br/7699007812483790
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https://lattes.cnpq.br/0103253848132945
When gathering the materials for study in this work, it was noticed that most of the research that refers to assessment is focused on elementary level or higher, being practically nonexistent in kindergarten education. Moreover, when we look to the assessment in Physical Education, the literature is even tiniest. Thus, although assessment is important in the learning process, little is known about this issue; therefore, it is necessary to expand the knowledge about Physical Education assessment, especially in kindergarten education. In this sense, this study aims to investigate, in the perception of Physical Education teachers from kindergarten education, the content and applicability of the observation worksheet used in a Municipal Educational Network. Twenty-one teachers participated in this exploratory study and provided a written informed consent form approved by the Institutional Review Board. Participants answered a semi-structured questionnaire, using the Google Forms platform, consisting of open and closed questions about the content and applicability of the assessment instrument used by teachers. Data analysis took place in three stages, namely: description of the data; cluster analysis and; categories of analyses. The information obtained in steps one and two supported the discussions in the categories of analyses. Based on the “Content” axis, the category of analysis “Relevance of criteria” emerged. In this category, the teachers' conception of the items on the worksheet is approached. In general, it was noted that teachers have greater dissatisfaction with motor aspects, due to the lack of criteria to assess motor skills. In addition, other suggestions were indicated to facilitate the observation of the teacher. From the “Applicability” axis, two categories emerged: the category “Relevance of the worksheet in the evaluation”, which revealed 3 different profiles of teachers regarding the acceptance of the worksheet under study: those favorable to the worksheet and without difficulties to apply it; those favorable to the spreadsheet, but who have difficulties in applying it; and; those resistant to the spreadsheet. The other category of this axis was called “Need for training on assessment in Physical Education”, whose majority of teachers registered the lack of dialogue about assessment in initial training, thus bringing more insecurity to assess their students. The discussions presented in this study sought to bring elements to dialogue about the weaknesses and potentialities of this guiding document, contributing to the process of searching for a coherent, efficient and practical evaluative action.
Estudo comparativo de métodos de estimação do modelo de resposta gradual para dados de burnout em enfermeiras
(Universidade Federal de São Carlos, 2020-04-27)
Maia, Juliana Marambaia
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Novelli, Cibele Maria Russo
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https://lattes.cnpq.br/1011098065426388
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https://lattes.cnpq.br/1570536280390964
The graded response model is an Item Response Theory (IRT) model where items admit a polytomous response widely known in the literature. The motivation for this study comes from a data set which belongs to the RN4CAST project related to the burnout syndrome. This psychological syndrome has a multidimensional configuration of emotional exhaustion, depersonalization and personal accomplishment. The burnout measurements are obtained from the Maslach Burnout Inventory, a 22-item questionnaire to be answered on a 7-point Likert scale. Our proposal in this work is a study of the unidimensional and multiunidimensional graded response model, under the frequentist and Bayesian approaches, motivated by the data from the burnout syndrome, and for that, a simulation study is carried out to verify the behavior of empirical form of the model. Models are fitted with the marginal maximum likelihood and the Monte Carlo Markov chain via Gibbs sampler methods. The simulation study shows that, in general, the Monte Carlo Markov chain via Gibbs sampler method produces good results in the estimation of the item parameters and latent trait of the unidimensional gradual response model. The results of the multiunidimensional gradual response model study yield good results as the sample size and test size increase.
Envolvimento dos receptores centrais angiotensinérgicos e mineralocorticóides no aumento do apetite ao sódio induzido por privação hídrica em ratos com hipertensão renovascular
(Universidade Federal de São Carlos, 2020-04-27)
Lucera, Gabriela Maria
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Colombari, Débora Simões de Almeida
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https://lattes.cnpq.br/1684467594359403
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https://lattes.cnpq.br/0879568466405071
Sodium appetite in normotensive rats submitted to water deprivation (WD) for 24 h followed by 2 h with access to water only (partial rehydration–PR) depends on the activation of the renin-angiotensin system (RAS). Two-kidney-1-clip (2K1C) rats show a hyperactivation of the renin-angiotensin-aldosterone system (RAAS) and an increase in sodium intake induced by WD-PR. Therefore, the aim of the present study were: 1) to verify the participation of angiotensin II (ANG II) receptors in sodium intake induced by WD in 2K1C rats; 2) to verify the participation aldosterone (ALDO) receptors in sodium intake during WD in 2K1C rats, 3) to verify if there is a synergism between ANG II and ALDO in sodium intake during WD in 2K1C rats. For this end, we used Hotlzman male rats (initial weight 150-180 g) to induce renovascular hypertension and sham surgery. A guide cannula was implanted in the lateral ventricle (LV) in both groups after 6 weeks of renal surgery. To distinguish thirst and sodium appetite, 5 days after implant recovery, 2K1C and sham rats were submitted to WD-PR protocol with LV injections of vehicle (1% ethanol in saline, 2 μl) or saline (0.15 M NaCl), RU28318 (100 ng/2 μl) or losartan (66 ug/1 μl), and to verify synergism, administration of RU+losartan or vehicle+saline were perfomed 10 min apart in a group of rats. After 3 days the tests were counterbalanced in each group. The blockade of ANG II AT1 receptors reduced water intake during thirst test in sham and 2K1C rats, which as not observed during the blockade of ALDO mineralocorticoid receptors (MR). Simultaneous blockade of the two receptors reduced water intake in sham and 2K1C rats during the thirst test. The 0.3 M NaCl intake was partially reduced during the sodium appetite test with AT1 receptors blockade in 2K1C rats. A similar effect was observed with the blockade of MR receptor in 2K1C rats. Double receptor blockade completely blocked sodium appetite in 2K1C rats. These results show that the sodium appetite induce by WD in 2K1C rats is mediated by the activation of the AT1 and MR, possibly by a greater activation of the RAAS, and that ANG II and ALDO have a synergism to induce sodium appetite in 2K1C rats.
“Porque se sou eu, tenho que escrever o que eu penso. Posso senhor?”: falas de jovens privados de liberdade
(Universidade Federal de São Carlos, 2020-04-27)
Kastein Filho, André Luiz Martins
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Cruz, Ana Cristina Juvenal da
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https://lattes.cnpq.br/6736396213946663
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https://lattes.cnpq.br/9559735991999838
The present study analyzed the experience knowledge shared by young people during a professional qualification course, with the premise of locating them in the center of the practices that are developed in a deprivation of liberty institution, a CASA Foundation unit, with the intention of to contribute to the social practices developed in these spaces, considering the proposals of social education as a means of transforming realities. For this, it was established as a research question: what knowledge do young people deprived of liberty teach and learn in the professional qualification program? Proposing to problematize the educational action that is developed between the different social actors through a perspective that has acquired visibility in the decolonial field, the excerpts that bring the speeches of the young people contribute to understand the impacts of the proposal of a training for entrepreneurship within capitalism engineered in the neoliberal prism. Adopting qualitative participatory research methods, the data were recorded and organized in field diaries, analyzed through dialogue with the bibliographic reference. Putting in check mechanisms that annul and stigmatize young people and their knowledge, and problematizing the boundary between the “world of work” and the “world of crime”, we reiterate the need to look for loopholes, whether in the political and social context, that in the current horizon, it is obscure, whether in the statements that both educators and students bring in the midst of so many socioeconomic conflicts and the very existence and configuration of youth incarceration policies.
Teoria dos operadores integrais singulares
(Universidade Federal de São Carlos, 2020-04-28)
Dalcy, Muriel Andreane
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Hounie, Jorge Guillermo
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https://lattes.cnpq.br/7302904386484949
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https://lattes.cnpq.br/4624779365562493
We present in this work some of the main results regarding the continuity in Lp and the definition almost everywhere of operators known as Singular Integrals, as well as some classic examples and applications. We have utilized as the main reference for this work the book "Singular Integrals and Differentiability Properties of Functions" by Elias M. Stein.
Biblioteconomia em Mato Grosso: construção identitária e desafios à consolidação do profissionalismo
(Universidade Federal de São Carlos, 2020-04-28)
Andrade, Fabiana Souza de
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Bonelli, Maria da Glória
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https://lattes.cnpq.br/1739441747281321
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https://lattes.cnpq.br/6821332457365034
This study focuses on the process of identity construction based on the articulation between personal experiences and the professional trajectory of male and female librarians. To this end, we sought to analyse how they perceive their identity within the field of Library Science. In this sense, the general problem of the research concerns the social construction of identity, at the professional level, by the interviewers. The methodology used was based on a qualitative approach, also using quantitative data from secondary sources. Having as theoretical support the conceptions of the sociology of professions, in the analytical models of Freidson (1998) and Abbott (1988) that approach how the professions consolidated professionalism. To search the macro – micro dimensions of the system of professions this study relies on Abbott (1988) and to think about a typology of identities in Dubar (2005), taking into account aspects such as the subject's trajectory, sociability and subjectivity in their relationship with the world of work. As for the procedures performed, it was divided into phases: (i) bibliographic survey; (ii) organization and selection of the state of the art; (iii) field research. The research corpus was built from literature review, illustrative quantitative data, document analysis and interviews. Fifteen subjects were interviewed, selected by snowball sampling, the type of professional relationship that resulted in the sample's profile as: (i) thirteen male and female librarians from public institutions; (ii) one from a private institution; (iii) one who worked in a private institution, but changed his profession. The sample construction sought to hear the different possibilities of bachelors in Library Science, in relation to professional activity, the institution where they work, the position they occupy, where they studied, age group, sex, color / race, in short, the characteristics that can capture the diversity of the group and the outline of the problem under study. We opted for an analytical model that understands this universe in its trajectory, starting from a historical and social panorama of Librarianship; next, indicators are presented on the number of professionals working in the whole country, in the Midwest Region and the state of Mato Grosso; ending with the result on the social profile of respondents in some cities in the state. What stood out in the speeches was that the professionals perform a constant reconfiguration of their professional identity. They represent their identity through negotiations, in which they emphasize the understanding of their identification, sometimes in the biographical processes - who I say that I am - and sometimes in the relational processes, in which the group (other professionals, professional bodies, training institutions) says what the librarian is.
Impacto do crédito rural e seguro rural na produção agrícola no estado de São Paulo
(Universidade Federal de São Carlos, 2020-04-29)
Leite, Francisca Nathalia de Sousa
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Castro, Eduardo Rodrigues de
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https://lattes.cnpq.br/5702172673123334
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https://lattes.cnpq.br/1346502647724043
Rural credit and rural insurance have an important role for the agricultural sector, once they are the main public policies to incentive agricultural production. Rural credit reduces the farmers's budget constraint, finances production costs and the use of new technologies. Rural insurance protects farmer’s income from production losses. Public resources subsidize the rural credit through the application of lower interest rates to the agricultural sector and rural insurance through the Rural Insurance Premium Subvention Program - PSR, “Proagro” and “Proagro Mais”. Given the importance the agricultural sector has on the Brazilian economy and the participation of public resources to sustain these policies, this research aimed to evaluate their efficiency for sugarcane, grains (soybeans, corn and wheat) and grape crops in São Paulo state. It is analyzed the data from “Agricultural Production Systematic Survey” (LUPA) in its more disaggregated level, the Agricultural Production Unity (UPA), for the years 2007/2008 and 2017/2018. It is analyzed the impact of rural credit and rural insurance policies in production, productivity and cultivated area. The analysis uses the methodology Propensity Score Matching (PSM) which allows to compare the groups that have used these programs and those groups that have not. We conclude that the rural credit and rural insurance policies impact the analyzed variables for grain and grape crops. However, for sugarcane crop the rural credit crop did not impact the production, productivity or cultivated area and the rural insurance impacted these variables only in the year of 2017/18.
Métodos digitais de obtenção de limiares topográficos de processos erosivos a partir de produto de radar
(Universidade Federal de São Carlos, 2020-04-29)
Padilha, Ana Flávia de Roland
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Lollo, José Augusto de
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https://lattes.cnpq.br/8987677644041247
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https://lattes.cnpq.br/8442436591023490
Among the aspects of the studies of erosive processes, there is the proposition of topographic thresholds, given by an inverse relationship between contribution area (A) and slope (S), which conditions the surface runoff to cause gully initiation. The aim of this work was the study in the onset of gully erosion, using Alos/Palsar data. The study area was the watershed of the Ribeirão do Pântano, located in municipalities of Descalvado, Analândia e São Carlos (São Paulo state). The gully heads were identified in aerial images from the year 1988, as they are the oldest records found. Results indicate that the model from the radar is not free from noise and errors that may affect the proper extraction of information, requiring an initial treatment. For that, different treatment strategies were tested using the Focal Statistics tool, from ArcGIS 10.5 software to obtain morphometric parameters related to erosion processes in a more consistent way. The treatments were also applied to the Topographic Map data in some areas in the watershed, in order to analyze whether the radar data could be used as an alternative to the map. A correlation analysis between parameters A and S, obtained from both databases, it was possible to suggest the most proper treatment for the watershed, in addition to evidencing the ability of the Alos / Palsar to replace the Topographic Map, facilitating topographic threshold studies, which are scarce in our country. Using the treatment, the SxA index was applied to two sub-watersheds on the BHRP, with the higher concentrations of erosion processes on the same geological formation. The index obtained from the analysis in sub-watershed 1 was S = 0.0371A-0.4, and in sub-watershed 2 was S = 0.0297A-0.376, which were shown to be in accordance with the topographic threshold of other works carried out in Brazil, in places with similar characteristics of geology and land use, whose authors used Topographic Map data. In summary, the radar product proved to be efficient in the study of topographic threshold, which is fundamental in understanding the dynamics of the formation of erosive processes as an aid in territorial planning actions.
Avaliação qualiquantitativa da sustentabilidade urbana em HIS pelo Selo Casa Azul e Sbtool Urban
(Universidade Federal de São Carlos, 2020-04-29)
Gonçalves, Djanny Klismara de Oliveira
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Masiero, Érico
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https://lattes.cnpq.br/2691827106518167
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https://lattes.cnpq.br/3933684032710122
The unsustainable profile Brazilian social housing (SH) has expressed major impacts on the population's quality of life, on the natural environment and on the systems that make up cities. In this sense, the assessment of the sustainability potential of these housing developments is necessary as a way of identifying the main weaknesses of the assessment systems, contributing to the process of improving the assessment tools, especially in relation to the productive processes and insertion in the urban mesh. Based on the post-occupation analysis of a SH project implemented in the city of Araraquara, São Paulo state, the objective was to develop an evaluation on urban sustainability in order to improve the Casa Azul Seal, with the aim of based on a multi-method approach based on the SBTool Urban certification tool. It was proposed to apply the calculations established in SBTool Urban according to the requirements of the Casa Azul Seal, together with the insertion of a national benchmark to establish the analysis. In this way, four categories of the Casa Azul Seal were analyzed according to the survey of the case study information carried out by document analysis, technical visits and analysis of the guidelines required by the public administration. As a result, it was possible to attest to the unsustainability profile of the enterprise with the low values verified by the calculations, as well as to understand the advantages and limitations of the referential analysis. As an advantage, the adoption of the benchmark allowed a foundation for the improvement framework, as well as the possibility of frequent renewal of the assessment as new requirements are established that configure greater sustainability to the enterprise. On the other hand, it was identified the need for scientific investigation of social housing projects that present a potential for greater sustainability so that referenced assessments can be carried out with technical basis.
Utilização de escória de aciaria na fabricação de blocos de concreto
(Universidade Federal de São Carlos, 2020-04-29)
Benittez, Leandro Henrique
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Ferreira, Fernanda Giannotti da Silva
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https://lattes.cnpq.br/0329487394818763
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Marques Neto, José da Costa
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https://lattes.cnpq.br/2392932422695163
In this work, the technical feasibility of concrete blocks without structural function is studied, when using BSSF steel slag in its manufacture. In 2019, Brazilian steel production was 32.46 million tons and the world steel 1.87 billion tons and steel slag of 4.54 and 262 million tons, respectively. The incorporation of this waste from the steel industry, in concrete blocks, contributes in a sustainable way to the final destination of an environmental liability. Partial substitutions of 20, 40, 60, 80% of the natural aggregates were made by artificial in the production of the blocks. Initially, tests were carried out to characterize the aggregates and binder. The concrete blocks were manufactured in a cement artifact industry to obtain results at scale, with industrial reality. Then, the blocks were tested for dimensional analysis, water absorption, liquid area and resistance to compression at 28 days of age. The results showed that it is technically feasible to incorporate BSSF steel slag into concrete blocks, since all the blocks produced met the normative requirements. It is noteworthy that the blocks with the replacement of 60% of aggregates were the ones that presented the best results.
Extração de características e aprendizado não-supervisionados em imagens hiperespectrais
(Universidade Federal de São Carlos, 2020-04-29)
Nakao, Eduardo Kazuo
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Levada, Alexandre Luis Magalhães
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https://lattes.cnpq.br/3341441596395463
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https://lattes.cnpq.br/8552980487205959
Hyperspectral imagery have hundreds of bands and greater subtle differences discrimination capacity in compariosion with multispectral imagery, which benefits precision applications. However, inherent high spectral resolution and high band correlation in these imagery suggests curse of dimensionality occurrence possibility in pattern recognition processes. So, study of the effects of dimensionality reduction is relevant for this kind of image. Additionaly, is relevant to compare the behavior between linear and non linear reduction methods. In this scenario, the purpose of the present work is to analyze how unsupervised feature extraction and its different approaches affect an unsupervised learning task in hyperspectral imagery. In order to conduct such analysis, the algorithms Principal Component Analysis, Isometric Feature Mapping and Locally Linear Embedding were executed in a set of seven images. Clusterings by K-Means and Expectation Maximization algorithms were built under each execution. Performances were measured by Rand, Jaccard, Kappa, Entropy and Purity indexes and compared by Friedman and Nemenyi statistical tests. Hypothesis tests results have shown that, for 70% of the images, feature extraction deployment raised clustering performance significantly and, in 60% of those cases, nonlinear extraction yielded better results than linear
Evolução da segurança viária em países participantes da “Década de Ações para a Segurança Viária 2011-2020”: uma análise preliminar
(Universidade Federal de São Carlos, 2020-04-29)
Lima, Marcus Vinícius Gomes de
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Guerreiro, Thais de Cassia Martinelli
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https://lattes.cnpq.br/2650555786682535
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https://lattes.cnpq.br/2547667034723048
In 2011, the United Nations launched the “Decade of Actions for Road Safety 2011-2020” (DASV) with the objective of reducing deaths and injuries caused by traffic accidents in the world by 50%, over ten years. In this sense, it is necessary to evaluate the performance of the countries that presented their proposals to reduce road accidents in order to achieve this goal over the decade. This research has as main objective to raise the actions proposed by the countries that accepted to participate in DASV, plus Brazil, besides comparing the evolution of the road safety indicators among these different nations. Thus, the object of study consists of analyzing the evolution of road accident in this selected group of countries and, for that, the plans proposed by sixteen nations, available in the repository of the World Health Organization (WHO), plus the plan of Brazil, available on a national basis, were identified; based on these plans, all the respective proposals for actions for DASV were obtained. Then, road safety indicators were collected systematically from the official statistical bodies of each country and analyzes of the evolution of road accidents were produced using electronic spreadsheets. The results indicate that four nations (Greece, Austria, Czech Republic and New Zealand) managed to meet the goal of reducing deaths; and six (Egypt, Vietnam, Greece, Czech Republic, Mexico and New Zealand) the goal of injury reduction until the last year of available data in which it is possible to compare all nations (2016 for the number of deaths and 2014 for the number of injuries). Thus, the highlight was Greece, which led the ranking of reduction of deaths from traffic accidents with the value of -48.33%/2016, followed by Austria (-40.30%/2016), Czech Republic (-38.12%/2016) and New Zealand (-36.19%/2016). In the injury indicator, the best result was achieved by Egypt, which had a reduction of -53.80%/2014, followed by Vietnam (-48.11%/2014), Greece (-28.88%/2014), Czech Republic (-28.53%/2014), Mexico (-22.36%/2014) and New Zealand (-20.16%/2014). The negative highlights were the Philippines, which increased the number of deaths (+16.55%/2016), and Brazil, which had the largest increase in the number of injuries (+20.33%/2014).
Desempenho luminoso e energético de ambientes de escritório: estudo de caso em Paranavaí - PR
(Universidade Federal de São Carlos, 2020-04-29)
Miranda, Débora Thomé
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Barreto, Douglas
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https://lattes.cnpq.br/7369326190168139
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Parsekian, Guilherme Aris
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https://lattes.cnpq.br/7798651726059215
The constant search for the performances of luminous and energetic efficiencies in buildings is due mainly to the need for energy savings, since its consumption has increased significantly in the last decades. Providing good lighting in the environments requires that minimum levels of lighting be guaranteed so that it does not negatively affect the occupant's health and contributes positively to their productivity. The present study aimed to evaluate the office lighting system of an existing building from the 1990s in order to verify the luminous and energetic performances and explore new systems with the potential to improve performances. The analyzes were carried out by means of computer simulations using the DIALux evo program, which allows the evaluation of artificial and natural illuminations simultaneously. Based on the results obtained, it was found that the existing lighting system does not meet the average recommended illuminance value. Therefore, based on simulations with new arrangements and types of luminaires/lamps, two more effective systems were presented: one considering the replacement of T12 fluorescent lamps with LED luminaires, which provided an energy saving of 15.5%, and another that used artificial lighting to complement the available daylight during working hours with the aid of a dimming system linked to daylight. This last system showed an energy saving of up to 65% when compared to the existing lighting system. Regarding light quality, the limit lighting power density showed an improvement of more than 60% in the new systems. Therefore, by modifying the arrangement of the luminaires and replacing them with LEDs, the artificial lighting system reached the average illuminance value recommended by the standard and also generated a significant reduction in the consumption of lighting electricity. Electricity savings were also observed when assessing the potential for using natural light associated with the use of dimmers.