Canopy Opener e assistência de ar no controle da ferrugem asiática e produtividade da cultura da soja

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Efeito da neutralização do ácido fluorídrico, limpeza sônica dos precipitados e da cimentação sobre a resistência à flexão de uma cerâmica vítrea

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Efeito da neutralização e remoção sônica do precipitado do ácido fluorídrico na resistência à fratura de coroas cerâmicas

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Mercado de São Brás e seu entorno: tramas e sentidos de um lugar

Esta dissertação pretende analisar a constituição da história urbana do entorno edificado do Mercado de São Brás, em Belém do Pará, no período de 1950 a 1970, uma construção eclética que remonta ao final do ciclo da borracha na Amazônia e da gestão do Intendente Antonio Lemos. O mercado é um monumento pertencente ao acervo patrimonial do Estado e se encontra em atividade, nos dias atuais. A partir da noção de trama urbana, buscou-se estabelecer relações entre os fatos históricos e arquitetônicos, no sentido de investigar como se processaram ao longo do tempo, resultando num espaço onde a arquitetura contribui para o desenvolvimento das relações sociais e comerciais. Partindo da hipótese de que a proximidade geográfica e a importância econômica de dois equipamentos urbanos, o Mercado de São Brás e a Estação de Ferro Belém-Bragança gerou uma dinâmica que atraiu outras arquiteturas, foi investigada a influência das políticas públicas de modernização e progresso, com reflexos para o surgimento do entorno edificado e relações tipológicas com o mercado. Utilizando a metodologia de estudo de caso com estratégias combinadas entre história interpretativo-qualitativa, o trabalho busca mostrar que as funções intrínsecas às construções cumpriram seu papel e que eventos realizados em seus espaços produziram fenômenos perceptivos no lugar existencial. O mercado público e seu entorno condensam práticas sociais que aliadas a estes fenômenos asseguram sua permanência na cidade, face ao contexto da sociedade contemporânea.

Candunga: fissuras do presente ressignificando uma certa Amazônia e um certo nordeste no romance de Bruno de Menezes

Os estudos sobre a cultura vêm, desde a década de 60 do último século, tornando-se cada vez mais explorados como ferramenta de observação em diversas áreas. A cultura, neste sentido, é, então, muito mais complexificada por ela ser resultante de um contato entre diversos grupos sociais e, portanto, necessitar de um estudo aprofundado no que diz respeito à sua formação. A literatura, inserida neste contexto, reflete essa complexificação cultural. Nesse aspecto, utilizada como forma da história e da cultura, a literatura é uma rica fonte de informações que pode desvendar muitos mistérios acerca da formação cultural em diferentes níveis, do local ao global. A conjuntura de um maior contato intercultural atinge a região amazônica, sendo refletida, principalmente, por meio do aspecto migratório após os ápices da comercialização da borracha, o chamado boom da borracha, na região durante a segunda metade do século XIX e primeira metade do século XX. A literatura de Bruno de Menezes, em Candunga, faz referências a esta realidade ligada aos deslocamentos humanos, mais precisamente dando enfoque à Estrada de Ferro Belém-Bragança. Nesse sentido, nosso foco de estudo será a relação cultural estabelecida entre os migrantes nordestinos recém-chegados e o caboclo amazônico, este último representado no romance pela voz do narrador de Candunga, detentor de um discurso cultural em prol do homem amazônico da zona bragantina. Perceberemos que há um conflito identitário e cultural em partes várias de Candunga por conta da emergência das diferenças entre caboclos e nordestinos. Notaremos um discurso de afirmação, por meio do narrador, da cultura amazônica em detrimento da nordestina, agregando, inclusive, juízo de valor, em que a cultura do caboclo seria superior à cultura do migrante. No entanto, não se deixará de ressaltar a relação de hibridação, observando como se dá o processo de hibridação cultural existente no romance.

Effect of working pressure at different spray nozzles on drift quantification in wind tunnel

Each year, there is an increase in pesticide consumption and in its importance of use in the large-scale agricultural production, being fundamental the knowledge of application technology to the activity success. The objective of the present study was to evaluate the influence of working pressure on the drift generated by different spray nozzles, assessed in wind tunnel. The treatments were composed of two spray nozzles AXI 110015 and AXI 11002 with pressure levels of 276 and 414 kPa. The spray solution was composed by water and NaCl at 10%. The applications were conducted at wind speed of 2.0 m s-1, being the drift collected at 5.0; 10.0 and 15.0 m away from the spray boom and at heights of 0.2; 0.4; 0.6; 0.8 e 1.0 m from the tunnel floor. To both spray nozzles, the greatest drift was collected at the smallest distance to the spray-boom and at the lowest height. The AXI 11002 nozzle gave a smaller drift relative to the AXI 110015 nozzle for the two tested pressures and for all the collection points. Regardless of the nozzle, a rise in the working pressure increases the spray drift percentage at all distances in the wind tunnel.

Adjuvantes na deriva de 2,4-D + glyphosate em condições de campo

The aim of the research was to evaluate the effect of adjuvants on the spray drift applications from mixture of 2,4-D + glyphosate. The trial was carried out in field conditions in a completely randomized design. The treatments corresponded to solutions containing mixture of the herbicides 2,4-D + glyphosate (670 and 1068g ha-1, respectively) adding the adjuvants (v v-1): mineral oil (0.5%); anti-drift agent (0.09%); spreader-sticker A (0.1%); liquid fertilizer (0.05%); spreader-sticker B (0.25%); and only herbicides without adjuvantes (control). Nylon strings were used to drift determination outside the application area (1, 5, 10, 20, 50, 100 and 200 m away) with 4 replications and six foam cylinders placed on the boom of the sprayer were used to collect the droplets subject to drift. The applications were performed simultaneously, using a specific salt tracer for each spray solution to quantify the deposits by spectrophotometer. It was not possible to verify effect of the adjuvants on drift at different distances of the application area. Based on droplets collected above the boom spray, it was found that susceptibility to drift was lower with the mineral oil and the anti-drift agent. The drift risk was higher with the liquid fertilizer and the spreader-sticker B.

São Paulo e as novas configurações do espaço urbano: o Parque Cidade Jardim e seu impacto na marginal Pinheiros

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

Política econômica e trajetória da indústria no Brasil: Das origens à crise atual

Pós-graduação em Ciências Sociais - FFC

Os Projetos regionais de Brasil e Venezuela para América do Sul nos anos Lula da Silva (2003-2010)

Pós-graduação em Relações Internacionais (UNESP - UNICAMP - PUC-SP) - FFC

Qualidade da aplicação de inseticida em amendoim (arachis hypogaea l.), com e sem adjuvantes na calda, sob chuva simulada

The present work aimed to evaluate the volumetric distribution profiles, droplet spectra, surface tension, contact angle of droplet and the spraying liquid deposition over the peanut leaves (Arachis hypogaea L.), under artificial rain, in comparison with deposition without rain, using two hydraulic nozzle models of plain fan and insecticide spraying liquids with and without adjuvants addition. It were used a patternator for volumetric distribution analysis, a laser particles analyzer to evaluate droplet spectra produced by SF 110015 and XR 110015 nozzles and tensiometer for droplet tension and contact angle. The spraying liquids evaluated were: water, lambda-cialotrina, lambda-cialotrina + nitrogen fertilizer and lambda-cialotrina + mineral oil. All experiments followed a completely randomized design. Data were submitted to variance analysis by F test and the means comparisons by Scott-Knott test at 5% of probability. According to the results, it must be considered the maximum spacing in spray boom usage of 50 and 90 cm between the nozzles SF110015 and XR110015, respectively. The adjuvants effects on droplet spectra have shown addicted to the nozzle and the product used, and the adjuvants addition to the spraying liquid affected the potential risk of drift; The Volumetric Median Diameter (VMD) of produced droplets by nozzles filled into thin class and were not influenced by the adjuvants. The nitrogen fertilizer adjuvant may be indicated to promote improvements on coverage and droplet deposition on target.

Adjuvantes em pulverizações de fungicidas na cultura do trigo

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

Finanças comportamentais e a formação de bolhas especulativas

Economic crises caused by speculative bubbles are recurring in economic history but there is still no consensus on how it begins, grows and overflows. Economists and regulators seem to be inefficient in predicting and preventing this process, which is so detrimental to economic functioning. This failure proved to be obvious with the American subprime crises, which had great impact on various sectors of the U.S. economy. In this paper, we perform a literature review of the traditional theory of finance, mainly represented by the Efficient Market Hypothesis. According to this theory, asset prices always reflect their intrinsic value, assumption that doesn’t match the price boom followed by a crash, observed in the crisis generated by speculative bubbles. Finally, we present a new way to analyze this phenomenon, in the light of the investors’ behavioral aspects and the flaws inherent to the financial markets

Caracterização dos reservatórios do grupo Macaé no Campo de Garoupa - Bacia de Campos - por meio de interpretação sísmica e perfis de poço

The study area is the Garoupa Field, located 75 km from the coast of Rio de Janeiro in bathymetric elevation of 125 m and it is the first important offshore discovery of the Campos Basin with hydrocarbon production in the Albian carbonates. The high significance of carbonate rock reservoirs for the global oil industry and its degree of complexity, combined with the fact that the Garoupa Field is a mature field, make this research project interesting to develop a re-exploratory vision of the study area. The objective of this paper is to characterize the physical properties of the Macae Group reservoirs in the Garoupa Field through well correlation techniques, petrophysical analysis and seismic interpretation (3D), in order to evaluate qualitatively and quantitatively the response of geophysical data to the presence of carbonate rock reservoirs. From the analysis of well profiles (gamma ray, resistivity, density and sonic) it was possible to identify six reservoir levels in the Quissamã Formation. As a result, the reservoirs have good correlation between the wells in the Garoupa Field and show lateral facies variation. In the seismic interpretation, structural contour maps were generated in time (ms) from the top of the Macae Group and two horizons that correspond to the reservoir levels. These maps show that the oil producing area of this field is a structural high located at the west of the interpreted seismic cube, and it was classified as a rollover limited by lateral faults forming a horst. The seismic attribute maps show a good response to the reservoirs of the Garoupa Field because they are associated with amplitude anomalies, verified by the correlation between the physical properties of the reservoir rock and seismic data through cross plots, with emphasis in a linear correlation between the resistivity profile and the values of Maximum Absolute Amplitude and RMS Amplitude attributes

Análise de risco em carteiras

The work consists of analyzing the risk management of investments by applying statistical concepts, economic and mathematical models considering the assets on the market on renowned financial institution. The assessment of these risks becomes increasingly interesting in view of minimizing your losses thus maximizing your chances of gains in both markets boom as extreme uncertainty, even with the sudden changes of scenery. Introducing concepts of investment funds, as well as the classification of the types of funds as funds management and equity, its guidelines, the concept of market investment funds. The types of assets comprising the investment funds, their taxation rules beyond the incidents that market widely used by investors and skilled people, both physical and legal, who keep their resources in this modality. With the historical data collected yields of investment funds of the Bank of Brazil, is an accomplished inflation adjustment and calculated the mean and variance for the verification of the model of Markowitz efficient frontier, a method used as investment analysis. This scan is used Matlab to obtain the set (or border) efficient portfolios. Once verified such data, there will be a critique of the Markowitz model as a quadratic programming and more coherent risk measures currently studied as VaR and CVaR minimizing the expected error, approaching our studies of current research. It is found that such studies have much to be explored, since there are many discussions about how effectively measure risk investments such as its characteristic and behavior, using a time series and volatility