228 resultados para Anormalidades nucleares


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Pós-graduação em Ciências Biológicas (Biologia Celular e Molecular) - IBRC

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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This paper presents a multi-agent architecture that was designed to develop processes supervision and control systems, with the main objective to automate tasks that are repetitive and stressful, and error prone when performed by humans. A set of agents were identified, based on the study of a number of applications found in the literature, that use the approach of multi-agent systems for data integration and process monitoring to faults detection and diagnosis, these agents are used as basis of the proposed multi-agent architecture. A prototype system for the analysis of abnormalities during oil wells drilling was developed.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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As relações entre Brasil e China vêm se estreitando ao longo dos anos, principalmente após a entrada da China na OMC em 2001, o que os tornou grandes parceiros comerciais. Esse padrão de comércio é marcado pela exportação de produtos brasileiros abundantes em recursos naturais e importação de produtos chineses de alto uso tecnológico. Sendo assim, é notável que a grande expansão da economia Chinesa reproduz grandes impactos no meio ambiente. Entretanto, o governo Chinês mostra sinais de preocupação e está buscando formas de amenizar os problemas. Como a prioridade do governo é a prevenção de mais danos ambientais, o uso de barreiras não tarifárias de caráter ambiental é cada vez mais frequente. O presente trabalho analisa o uso dessas barreiras técnicas e seus impactos na exportação de produtos brasileiros à China. Foram calculados coeficientes que mostram, junto a outros dados empíricos, que há uma forte proteção dos produtos Reatores Nucleares (HS84), Máquinas e aparelhos elétricos (HS85) e Automóveis e tratores (HS87) quanto a essas barreiras

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Radiography is usually the primary method of diagnosis to be used in the initial evaluation of the chest. In view of recent technological advances in ultrasound machines, noncardiac transthoracic ultrasound has become an important method of diagnosis for diseases of the lung, pleura, mediastinum and chest wall. Despite limitations due to the difficulty of efficient sound propagation in air, this exam allows fast decisions and makes sample collection safer and more effective. Knowledge of the sonographic chest anatomy is however restricted because of the artifact caused by the presence of air in lungs. When absent, it facilitates the detection of thoracic alterations. The aim of this review is to present the main abnormalities that are likely to be detected by ultrasonography.

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

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The objective was to evaluate the influence of different irradiation doses in post-harvest characteristics of pitaya organic species Hylocereus undatus grown in the municipality of Itajobi - SP. The experiment was conducted at the Fruit and Vegetable Department of Agribusiness Management and Technology - FCA / UNESP - Botucatu - SP from December 2008 to January 2009. The radiation process was conducted at the Institute for Energy and Nuclear Research (IPEN) located in Sao Paulo. The design was randomized blocks with six treatments and three replications. The fruits were harvested on the third day after onset of color, selected, cleaned, packed in polystyrene trays covered with PVC film, pre - cooled (8 ° C for 24 hours) and subjected to different doses of gamma irradiation (0.0; 0.2, 0.4, 0.6, 0.8 and 1.0 kGy of cobalt-60) and subsequently stored in cold temperature of 8 degrees C, with relative humidity of about 85 ± 5%. The fruits were evaluated at twenty days after irradiation for pH, soluble solids (SS), Titratable Acidity (TA), ratio (SS / TA) and percentage loss of mass (weight). Data were subjected to analysis of variance and means compared by Tukey test at 5% probability. There were no statistically significant differences (p <0.05) for pH (4.82), soluble solids (11.33) Titratable acidity (0.12) and ratio (79.42) compared to non-irradiated fruit. Regarding the percentage of loss of mass (weight), the highest among the patients treated irradiated with 0.8 kGy (12.12%), whereas for treatment at a dose of 0.0 kGy (irradiated) showed a lower loss weight (11.59%), a result that differs significantly (P <0.05) from the remaining doses of irradiation. The loss of mass (weight) of fruit irradiated with other doses was not statistically significant (P> 0.05).

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Ciência e Tecnologia Animal - FEIS

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Pós-graduação em Fisiopatologia em Clínica Médica - FMB

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Pós-graduação em Física - IFT

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)