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The present work search to analyze the behavior of the models of mensuration of market risk VaR and CVaR for in the Brazilian market of actions, calculated by the methodology of the historical simulation, GARCH, Riskmetrics and Normal. They were used as sample the data empiric of PETR4, TNLP4, VALE5, USIM5 and CSNA3, that understands the mail carrier of the Index of Bovespa five more liquid actions (Ibovespa) effective of January to April of 2006, with the closing prices embracing the period of 30/12/1998 to for 29/12/2005. All the methodologies were calculated for a α of 1% and 5%, using windows of 126 and 252 days. With the objective of testing the models the tests of Kupiec were used (unconditional), Christoffersen (conditional) and Berkowitz, and the test of Berkowitz was used for two cases, test of the tails of the distributions a...
This thesis presents a technique for continuous systems identification from information in z domain transform. The computations allow for the noisy signal action on the output signal. The transfer functions are calculated from time-domain system impulse response, taking into account test system input and output signals. The transfer function is identified in the z domain. However, its structure is presented in the form of poles and their associated residues. The poles are calculated in the s domain by using a mapping transform function which depends on the sampling period and the z poles. The noisy signals are filtered through a denoising process (noise minimization) whose procedure uses wavelets transform. Tests are performed on three power systems to assess the validity of the identification method under different operating condition...
O trabalho pretende discutir especialmente aspectos das construções de gênero, identidade e representação abordadas a partir de uma leitura das colocações de garotas que integram bandas de hardcore em Brasília-DF. Estas bandas estão inseridas em um movimento mundial de afirmação da potência feminina chamado Riot Grrl. Intentará apreender as motivações das garotas que se unem pra formar estas bandas, que tipo de transformação esta experiência traz ou deveria trazer, de acordo com as expectativas/experiências das garotas.
This work describes an experimental study of paraffin-based hybrid rockets. The main objective was to determine the regression rate of paraffin burning with nitrous oxide (N2O). Hybrid rockets have attracted renewed attention because of their distinct advantages such as simplicity, safety, good performance, comparatively cleaner environmental characteristics, and lower cost, particularly compared to solid propellant rockets. However, conventional hybrid propellants present one very significant shortcoming, low regression rate. Recently it was identified a class of solid paraffin that burn three or four times faster than the traditional hybrid fuels, such as HTPB. Therefore a series of experiments was made to determinate a regression rate law for paraffin and nitrous oxide. It was proposed a regression rate law. Several experiments were...
Introduction: The bacterial resistance is a global public health and emergent problem. The selective pressure of antibiotic use is a predisposing factor, specially if the use is inappropriate. The antibacterial consumption monitoring is a strategical element of bacterial resistance control program. Objectives: The principal aim was to quantify the antibacterial consumption pattern in an Intensive Care Unit (ICU). Furthermore, to estimate the association between this consumption and resistant bacteria rates and to compare the data obtained from the aggregated and individual form. Methods: Descriptive ecological study made in a medical-surgical ICU of a public regional hospital in Brasília, from 1999 to 2004. The Anatomical Therapeutical and Chemical (ATC) classification and the “Defined Daily Doses” (DDD) were used for the antibacterial...
A 23 year-old man with prolonged fever caused by Brucella abortus is reported. The uncommon feature of this case was the presence of a spleen abscess identified by computer tomography of the abdomen. Patient evolution was favorable after treatment with antibiotics, with complete regression of the lesions.
In this work, it was proposed the development of a methodological support to strategic management of conflicts related to water resources use. The support aim is to offer ways to create strategies, actions and programs for the water resources management in situations that the water resources conflicts haven’t happened yet. It was used strategic planning tools developed by scenarios construction development by Michel Godet, as structural analysis using the MICMAC methodology, actors analysis using MACTOR methodology and the morphological analysis to the scenarios construction. A graphic scenario representention was also elaborated for best representation and dispose a tool to evaluate the truthfulness. It was proposed typology of water resources management levels associated to the expected water demand condition for the water use and...
This study is a critical discourse analysis of electronic political cartoons on the first round of the 2006 presidential elections. Thus, five texts, published on the site www.charges.com.br in August and September were chosen. The theoretical framework for this study is Critical Discourse Analysis, based mainly upon work by Fairclough (1992; 2003) and Chouliaraki and Fairclough (1999), who draw upon Critical Social Science as it relates to linguistic-discursive issues, also considered in this research study. Given this study’s qualitative nature and its adherence to Critical Discourse Analysis methodological precepts, the cartoons are analysed according to action, representational and identificational meanings. Ideology studied in the corpus is based mainly upon Thompson (1995). With a view to better contextualizing the ana...
The pediatric age range is particularly affected by visceral leishmaniasis, a disease that is currently spreading steadily in the state of Mato Grosso do Sul and in other areas in Brazil. The diagnosis and treatment of the disease in childhood were investigated retrospectively by analyzing data of patients admitted to the Teaching Hospital of Universidade Federal de Mato Grosso do Sul from January 1998 to February 2005. The investigation was composed of five studies. The clinical presentation of the pathology in children in Mato Grosso do Sul was identified. Visceral leishmaniasis has been exhibiting fast evolution in the region, with a mode of presentation that differs from the pattern viewed as typical for the pathology, usually of long-lasting course. Diagnosis of patients in a not much advanced phase of the disease and the availabi...
In the quest for cultural sustainability, this research seeks to bring into the academic world the traditional knowledge of cerrado communities, as preserved by their matriarchs, to foster reflection on some of the main paradigms of Environmental Management within this area. Using art as a means for promoting awareness and as an instrument for Environmental Education, this project uses research-action and heuristics as methodologies, and dramatic techniques based on mimesis to develop an archetypical dramatic character, the Old Lady of the Cerrado, who visits these communities, seeking to understand their cultural production as it relates to environmental conservation. This study’s proposition is based on the identification of the Great Mother archetype in the shaman-like curandeiras, rezadeiras and benzedeiras, all of them bearers of ...
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