311 resultados para Engenharia alimentar
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Pós-graduação em Agronomia - FEIS
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Pós-graduação em Agronomia (Produção Vegetal) - FCAV
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Pós-graduação em Zootecnia - FMVZ
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Zootecnia - FCAV
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This work aimed to evaluate the repellent and deterrent effect of the application of concentrations of neem and chinaberry oil on bean leaves on the leaf beetles Diabrotica speciosa (Germar) and Cerotoma arcuata (Olivier). The concentrations of neem oil tested were 0.625, 1.25, 2.50, 5.00, 10.00 and 20,00 mL, corresponding respectively to 1, 2, 4, 8, 17 and 33 ppm of azadirachtin A and the concentrations of chinaberry oil used were the same used to neem oil, corresponding, however, to 1.875, 3.75, 7.50, 15.00, 30.00 and 60.00 mg mL(-1) of chinaberry extract, respectively. For the free-choice tests, glass containers were used as arenas, whereas for the no-choice tests Petri dishes were used, where in both one insect per treatment was released in the center. Attractiveness was evaluated in predetermined time periods, in addition to the leaf consumption, at the end of the experiment. Neem oil is repellent to D. speciosa and C. arcuata, with more efficient results at the 5.00, 10.00 and 20.00 mL concentrations. All concentrations of neem oil reduce leaf consumption of both insects, except in the no-choice test with D. speciosa, in which only the 10.00 and 20.00 mL concentrations are deterrent. Chinaberry oil provides high repellent activity on both leaf beetle species, and the 10.00 and 20.00 mL concentrations stood out. The 10.00 and 20.00 mL concentrations of chinaberry oil are deterrent to D. speciosa and C. arcuata.
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The Engineering Education in Brazil is constantly changing since its inception always aiming to meet the market demand for this type of professional. To meet this market demand, the institutions of engineering education to bring within their organizations as the new curriculum guidelines Registration System. In 2008 the Faculdade of Guaratinguetá entered its new Registration System, from series to Credit. The failure rate for each system will be the basis for understanding what the best system for this institution
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Currently, in Brazil, the quantity and quality of new types of wastes, discarded without criteria in urban areas, has been responsible for considerable impacts on public health and the environment. According to a report prepared by the Institute of Applied Economic Research (IPEA), the country loses about U.S. $ 8 billion annually, due lack of waste recycling, which go directly into landfills or dumps. Among these solid wastes are waste electrical and electronic equipment (WEEE), whose characteristics are complex, by having in its composition substances of high value-added and other health hazards which require different treatment of household waste. Aiming to fill the gap in Brazilian environmental legislation, on 02/08/2010, was sanctioned the National Policy Solid Waste (Law No. 12,305), already regulated on 23/12/2010 (Decree No 7404), whose based on the following principles:reduction of waste generation and toxicity of shared responsibility, proper planning management, social inclusion of waste pickers and sustainable production and consumption. Given the above, this work presented here, aims generally present a diagnosis of the current situation of electronic waste generated in the Faculty of Engineering, Campus Guaratinguetá, FEG / UNESP, to provide data for management and management of these waste, based on sustainability, the economic losses and minimizing environmental impacts and public health related to the flow and the improper disposal of these wastes
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To know the profile of research of each Department of Education is of utmost importance for future actions of improvements. This type of study must be made continuously of form to evaluate Departments´ trends as well as the College´s as a whole, besides stimulating the activities of research and formation of human resources of the Departments. In this work is quantified activity of orientation and research of the Departments of the College of Engineering of Guaratinguetá - UNESP, through national and international publications in periodic, congresses and supervisions of graduation works, masters, doctoral, post doctoral, and scientific initiation, in a period five years (2007 through 2012). For balance of points to the considered issues, a criterion based on the CAPES qualification of periodic has been assumed. On the basis of the results of this work, has been observed enormous differences and particularities between the seven analyzed Departments of Education. In a general way, some Departments presented good performance in the three criteria, whereas others obtained a good performance in only one of them. The Department of Materials and Technology was the only one in which 25% of the professors obtained maximum note for the publication in periodic, while in the Departments of Civil, Electric Engineering and Mechanics 75% of the professors did not reach sufficient punctuation in order to equal a publication in periodic with B2 extract
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Brazil is nowadays the greatest bet of investors for the future due to its stable economy growth. The country has grown side by side with the greatest demand for electrical energy. The international appeal for renewable sources is causing a change in the Brazilian energetic matrix, raising the amount of energy generated by thermoelectric power plants. The construction of new power plants, running on biomass, requires a crescent number of capacitated personnel to run them. The Faculdade de Engenharia de Guaratinguetá – UNESP – has a steam laboratory; witch is deactivated, which has a thermoelectric plant of small capacity. The laboratory reactivation and the return of its activities can be an important tool in order to graduate engineer able to operate on such units. This paper proposes four new experiments to be simulated on the Collage’s Energy Dep. Steam Lab when it gets back to its educational activities
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This paper discusses the importance of energy efficiency and the use of alternative energy sources, facing to the increasing energy demand and the concomitant economic, social and environmental restrictions imposed by society. In this work, alternative sources are illustrated by photovoltaic, micro turbines and fuel cells microgeneration systems. Energy efficiency is presented by direct current microgrids because its uses excludes the conversions of direct current (DC) to alternating current (AC) losses made with the intention of injecting energy into the electric grid and then the inverse conversion, AC to DC, in order to feed residential loads. The object of this paper is to analyze a case study and evaluates the costs and technical feasibility of a Project that combines a DC microgrid and a microgeneration system
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This work aims to show the importance of Baja SAE Project in engineering education, as well as the development of the student, being an outstanding tool for the engineering student has an education that meets the objectives of the pedagogical university and also the guidelines Ministry of Education curriculum for engineering courses. The Baja SAE Project provides the engineering students the chance to apply in practice the knowledge acquired in the classroom, to enhance their preparation for the labor market. The student becomes involved with a real case of project development, from concept design, detailed design and construction. The Baja SAE Project redefines the position of the student as an active element in the learning process engineering, leaving behind the simple condition of receiving information. Values procedures that provide students the opportunity to learn in contexts of professional practice, while offering the opportunity to contextualize the execution of a project. From an analysis to develop personal skills, Baja SAE Project has its own characteristics and essential for professional practice, however, not specific to the engineering course. For example, capacity for teamwork, communication skills written and oral, ethical behavior, critical, overview, entrepreneurial spirit, leadership, etc
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Devido à alta ação antrópica em rios, lagos e mares, a ictiofauna sofre sérios impactos que podem prejudicar sua dinâmica populacional. No interior do estado de São Paulo, muitos municípios captam águas superficiais para o abastecimento urbano e lançam seus efluentes à jusante da captação. Pode-se dizer que o mesmo acontece com o município de Rio Claro. O presente trabalho de conclusão de curso avaliou os efeitos da poluição de despejos orgânicos sobre a diversidade da ictiofauna e a alimentação, a reprodução e o fator de condição de Astyanax fasciatus, levando em consideração a sazonalidade e a variação de parâmetros físico-químicos da água comparando dois pontos do Ribeirão Claro (Rio Claro – SP) no interior da “Floresta Estadual Edmundo Navarro de Andrade”: um à jusante da captação d’água da cidade (área menos poluída) e outro logo após o despejo dos esgotos (área mais poluída). Foram coletados no total 1274 exemplares distribuídos em 26 espécies de peixes nas quatro coletas realizadas. No ponto 1 – área menos poluída, foram coletados 1121 exemplares de 26 espécies nas estações cheia e seca. Na estação cheia foram capturados 401 indivíduos pertencentes a 19 espécies, enquanto que na estação seca foram coletados 720 indivíduos distribuídos em 24 espécies. No ponto 2 – área mais poluída, foram coletados 153 exemplares de 14 espécies. Na estação cheia, foram capturados 141 indivíduos distribuídos em 11 espécies, enquanto que na estação seca foram coletados 12 indivíduos pertencentes a 6 espécies. Dentre os parâmetros estudados, oxigênio dissolvido e coliformes fecais foram um dos mais discrepantes entre os dois pontos e entre as coletas, auxiliando assim, na caracterização do ambiente estudado. No ponto 1, o valor de oxigênio variou de ...(Resumo completo, clicar acesso eletrônico abaixo)
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The objective of this work is to analyze the viability of incorporation in a microcomputer box of a nobreak with an ultracapacitor as energy storage device, substituting the conventional chemical battery. An advantage of this inclusion is cost reduction because a specific metallic or plastic frame won’t be necessary to protect the components of the nobreak; the microcomputer metallic frame offers the necessary protection for both equipments. Moreover, a large quantity of internal space of microcomputers box isn’t used, and is possible to use it to wrap up the nobreak. This work uses data about average power consumption of microcomputers; operation of switching mode power supplies for microcomputers; electrical and mechanical characteristics of ultracapacitors and operation of power circuits of nobreaks, with the purpose of present a study of energy storage capacity that an ultracapacitor should have to allow a safe switching off of a microcomputer in case of electrical network fail. It was noticed that the use of ultracapacitors is feasible to feed an 180 W load for 75 s, using a capacitive bank with sixteen ultracapacitors, with a total capacitance of 350 F and voltage of 10,8 V. The use of the proposed nobreak increases the reliability of the microcomputer by reducing the probability of user data losses in case of an electrical network fail, offering a high cost/benefit product. The substitution of the battery by an ultracapacitor allows a quick nobreak recharge, with low maintenance costs, since ultracapacitors have a lifetime bigger than batteries; beyond reducing the environmental impact, because they don’t use potentially toxic chemical compounds