936 resultados para Chama (Combustão)


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O Estatuto da Criança e do Adolescente (ECA) preconiza que crianças e adolescentes são sujeitos de direitos e que esses direitos precisam ser obrigatoriamente assegurados e efetivados. Para que o ECA seja efetivado, se faz necessário o conhecimento e compreensão sobre o que esse documento prevê. Assim, chama-se as instituições formadoras a assumirem seu o compromisso éticopolítico de formação da sociedade. Reflete-se, portanto, sobre a inquestionável necessidade da utilização de estudos e pesquisas dentro das Universidades para que se possa construir espaços de formação diferenciados. Neste contexto, a pesquisa desse Trabalho de Conclusão de Curso objetivou uma análise sobre a formação e influência na vida profissional e pessoal de alunos universitários que participaram de um curso de extensão denominado Formação de Agentes Sociais, Professores e alunos em Políticas de atendimento a Criança e ao Adolescente. Tratou-se de uma pesquisa qualitativa, com a utilização de três instrumentos de coleta de dados: um questionário inicial; observação e registro em Diário de Campo e entrevista individual semi-estruturada. Na análise dos dados, tem-se que a maioria dos sujeitos participantes da pesquisa afirmou que foram atendidas muitas de suas expectativas, que tiveram bom aproveitamento do curso, e que o mesmo trouxe grandes contribuições para seus processos de formação acadêmica, pessoal e profissional. Os resultados desse trabalho também indicaram a necessidade de que os conteúdos referentes ao ECA e a política de atendimento a criança e ao adolescente sejam incorporados aos cursos de formação básica profissional

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Pós-graduação em Engenharia Mecânica - FEG

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Engenharia Mecânica - FEG

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Pós-graduação em Letras - FCLAS

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A simple and fast method to determine Ca, K and Mg in a single aliquot of medicinal plants by HR-CS FAAS is proposed. The secondary lines for Ca (239.856 nm) and K (404.414 nm), and the alternate line measured at wing of the secondary line for Mg at (202.588 nm) allowed calibration within the 20 - 500 mg.L-1 Ca and K, and 1.0 - 80 mg.L-1 Mg. Twenty samples and three plant certified materials were analyzed. Results were in agreement at a 95% confidence level with reference values. Limits of detection were 2.4 mg.L-1 Ca, 1.9 mg.L-1 K and 0.3 mg.L-1 Mg. The RSD (n=12) were ≤ 5.1% and recoveries were between 83 and 108% for all analytes.

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Violence in adolescence, specifically sexual violence, is a topic of great relevance. Not only in Brazil but the world has witnessed the increase of sexual violence, becoming the most prevalent morbid occurrence in adolescence. Draws attention to the phenomenon of sexual violence against children and adolescents not only the fact that most of the victims are assaulted in their own home environment, but also the type of relationship between victim and aggressor. Thus, based on systemic approach, this study aimed to compose eend family dynamics of adolescent victims of sexual intra-familial. Participants were seven teenagers and their parents, users and beneficiaries of services offered by CREAS - Reference Center for Specialized Social Assistance in a municipality of Mato Grosso do Sul. The instruments used were the Test of Drawing in Colour of the Family (FCDT) and a questionnaire about the pictures taken and family interactions. The results indicated the difficulty in differentiating family roles, especially regarding the differentiation of the mother and daughter, a fact that seemed to be the motivator for the impoverishment of individuation in groups. Also noted the presence of conflict between the familiar figures probably originated from this abusive situation. In this context, the studied families showed communication difficulties between family members, hindering the integration between them, as well as the existence of an authoritarian leadership and strict rules performed by the father figure. These results may support preventive and therapeutic actions to situations of sexual violence against children and adolescents. Thus, it is suggested that psychological counseling for the study participants and other stakeholders with a view to reducing damage and recovery of quality of life for all family members, as well as the need for further studies in the area in question.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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PIBID's subproject from the Letras course at a public university from the interior of Sao Paulo has, as a vision, the teaching of languages in a different way, where the culture is something to be known, not only mentioned, and, because of that, students feel close to the language learning process, for the language is not something to be learned just as grammar, it is, in fact, to be learned as something more complex than that, making the connection between student and language and its values. The students have, as an objective the knowledge and formation in teaching, by participation in public schools where they could put the theory learned during the Letras course in the university in practice with students that could benefit from learning new languages. The public school, mentioned in this research, offered the opportunity for the PIBID students to participate in a project that already existed in this school, where the students were supposed to produce a script based in a tale, and with the script, they were supposed to produce a short movie and a trailer. In 2014, in the first year of the participation of PIBID in the project, PIBID students were asked to choose a tale in the languages that are currently part of the subproject, for the students could use as a base to the production of the short movie. This project is called Luz, Câmera… Action! and the main objective of this research was to verify the participation of PIBID in the project. For such, it was used a semi-structured open questionnaire, which sought to investigate how students and supervisors from the school understood and analyzed PIBID's participation in the project

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The benzoxaxine resin is a new class of thermoset phenolic resin, which is presenting, in the lasts decades, a great application in the aircraft industry due mainly to its excellent mechanical and thermal properties. This resin associates the mechanical properties of epoxy resin with the thermal and flame retardant properties of phenolic resin. In this context, they are considered polymers of high performance and they are excellent candidates to replace the current thermoset matrices used in the processing of high performance composites. Thus, in this study nanostructured composites Benzoxazine/CNT were produced at different concentrations of functionalized and non-functionalized CNT (0,1%; 0,5% and 1,0% w/w). The thermal stability of the benzoxazine resin and its nanostructured composites was studied using thermogravimetry (TGA) and degradation kinetic model Ozawa-Wall-Flynn (O-W-F). The thermal characterization also included differential scanning calorimetry (DSC) and dynamic-mechanical analysis, infrared spectroscopy with Fourier transform (FTIR) and scanning electron microscopy (SEM).The introduction of non-functionalized CNT at low concentrations resulted in nanostructured composites with better thermal properties in relation to the neat resin. For all cases, however, the dispersion of CNT in the matrix was ineffective

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to each other. These approaches reveal the speaker's attitudes, their feelings expressed in statements and in the contexts in which those expressions are used. Cagliari (1989) calls this kind of discursive reference as prosodic markers in literary writing. In this project, the corpus for the analysis comes from the work of Guimarães Rosa: Manuelzão e Miguilim. The main goal of the present project is to develop studies on the subject, since there is virtually nothing done about the prosodic writing markers. Develop working methods is an important objective, in order to show how the prosodic markers can be studied. This type of study is not only important to linguistics: phonetics, textual analysis and discourse, but also to literary studies. Different ages of literary expressions used differently such resources as shown by the work of Cagliari (1989). The methodology of this project starts collecting data to compose the corpus with examples categorized as prosodic markers. Then, according to prosodic theories, these expressions are classified in types. The contexts in which they appear are important elements and they will be highlighted. The narrative of the plot is also an important context. Dialogues are good source of prosodic markers. In the work of Guimarães Rosa: Manuelzão e Miguilim, it was observed that the author likes to reveal the feelings of the characters in the novel through stated words in their speech. There are prosodic markers showing feeling like: intimidating, serene, gentle, cheerful, worried, angry, with irony, etc. The authors also refer to the fact that the character pronounced his speech with different voice qualities such as loud, hoarse, whispering, etc. This project studies the association between some prosodic elements of speech and their occurrence in literary texts as prosodic writing markers, as defined in the project. The data come from the phonetic descriptions of words and expressions regarded as prosodic...

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Stricter environmental policies are shown necessary to ensure an effective pollutant emission control. It is expected for the present year of 2015, that Brazil will assume, at the 21th United Nation's Climate Change Conference (COP21), implementation of commitment to a low carbon economy. This positioning affects the industrial environment, so that is deemed necessary to search for new technologies, less aggressive to the environment, so the adequacies to the new emission policies do not cause a negative effect on production. Almost all of the processes performed in the steel industry demand burning fuel and, therefore, flue gases are sent to the atmosphere. In this present work is discussed the utilization of heat exchangers so, by recovering part of the available heat from the flue gases of certain industrial process, the combustion air is preheated. The combustion air preheat results in less energy requirement, i.e., less need of fuel consumption and, in addition, minor amount of pollutants to be emitted. Due to better fitting to the process, it is studied the utilization of spiral plate heat exchangers. The heat exchanger dimensioning is made by an iterative method implemented in the software Microsoft Excel. Subsequently are analyzed the gains in terms of process's thermal efficiency improvement and the percentage of fuel saving. The latter implies in reduction of the same percentage of greenhouse gases emission

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Currently there are two car models that use electricity in their propulsion systems, the electric vehicle and the hybrid electric vehicle. The electric vehicles are classified as vehicles that use electric motors in their propulsion system and batteries as a power source, on the other hand, the hybrid vehicles are classified as vehicles that use both electric motors and internal combustion engines in their propulsion system, using both batteries and líquid fuels as a power source. The main goal of this work is to analyze the characteristics of electric and hybrid electric vehicles and demonstrate the unfeasibility of the electric vehicle in the current economic, political, energetic and environmental brazilian scenario, for this purpose it was realized a study about the current brazilian situation regarding to electricity generation, current conservation status of road network, lack of electrical infrastructure for charging batteries, national lithium reserves, environmental characteristics, tax incentives, economic scenario, oil market and political positioning related to the implantation of electric or hybrid electric fleets in nacional territory. The operational characteristics analysis of electric and hybrid electric vehicles in this current scenario leads to the conclusion that currently a growth of electric vehicles fleets on a national scale is totally impractical in the Brazil, Thus, the introduction of green vehicles probably will occur primarily with hybrid electric models, motivated mainly due the bigger autonomy of this models compared to electric models, lower cost of hybrid electric models compared to electric models, factors related to the lack of recharging infrastructure and also factors related to political positioning