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Search Results: 1 - 10 of 56542 matches for " Samuel;Silva "
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Un Dinosaurio en la Sacristía. Las federaciones de sacerdotes casados, la pedofilia y la homosexualidad entre el clero de la Iglesia Católica Romana. Problemas institucionales de graves consecuencias
Samuel Silva Gotay
Revista Cultura y Religión , 2009,
Abstract: This article examines the question of celibacy in the Roman Catholic Church in light of the challage of the existece of the various national and international federations of married priests in the world, which comprises about 150,000 married catholic priests; the question of the movement of women theologians within the Church demanding the ordenation of women; the gigantic problem of sexual childe abuse by catholic priests in USA and other parts of the world; and the growing population of homosexuals among trhe catholic priests and seminarians. The article includes an esencial annoted bibliography, following the years of development of these questions, for those interested in further research.
O movimento de favelas de Belo Horizonte e o Departamento de Habita es e Bairros Populares (1956-1964)
Samuel Silva Rodrigues Oliveira
Revista Mundos do Trabalho , 2012, DOI: 10.5007/1984-9222.2012v4n7p100
Abstract: http://dx.doi.org/10.5007/1984-9222.2012v4n7p100 O artigo aborda o movimento de favelas organizado pela Federa o dos Trabalhadores Favelados de Belo Horizonte e sua rela o com o Departamento de Habita o e Bairros Populares. Este foi um dos principais órg os da política de desfavelamento na passagem dos anos 1950 para 1960, e ofereceu constrangimentos e oportunidades para a constru o da cidadania dos moradores em favelas.
Globaliza o: sociedade da informa o e trabalho
Samuel da Silva Mattos
Sequência : Estudos Juridicos e Politicos , 2001,
Abstract:
Active flutter suppression in a 2-D airfoil using linear matrix inequalities techniques
Silva, Samuel da;Lopes Júnior, Vicente;
Journal of the Brazilian Society of Mechanical Sciences and Engineering , 2006, DOI: 10.1590/S1678-58782006000100009
Abstract: flutter is an in-flight vibration of flexible structures caused by energy in the airstream absorbed by the lifting surface. this aeroelastic phenomenon is a problem of considerable interest in the aeronautic industry, because flutter is a potentially destructive instability resulting from an interaction between aerodynamic, inertial, and elastic forces. to overcome this effect, it is possible to use passive or active methodologies, but passive control adds mass to the structure and it is, therefore, undesirable. thus, in this paper, the goal is to use linear matrix inequalities (lmis) techniques to design an active state-feedback control to suppress flutter. due to unmeasurable aerodynamic-lag states, one needs to use a dynamic observer. so, lmis also were applied to design a state-estimator. the simulated model consists of a classical flat plate in a two-dimensional flow. two regulators were designed, the first one is a non-robust design for parametric variation and the second one is a robust control design, both designed by using lmis. the parametric uncertainties are modeled through polytopic uncertainties. the paper concludes with numerical simulations for each controller. the open-loop and closed-loop responses are also compared and the results show the flutter suppression. the perfomance for both controllers are compared and discussed.
Active flutter suppression in a 2-D airfoil using linear matrix inequalities techniques
Silva Samuel da,Lopes Júnior Vicente
Journal of the Brazilian Society of Mechanical Sciences and Engineering , 2006,
Abstract: Flutter is an in-flight vibration of flexible structures caused by energy in the airstream absorbed by the lifting surface. This aeroelastic phenomenon is a problem of considerable interest in the aeronautic industry, because flutter is a potentially destructive instability resulting from an interaction between aerodynamic, inertial, and elastic forces. To overcome this effect, it is possible to use passive or active methodologies, but passive control adds mass to the structure and it is, therefore, undesirable. Thus, in this paper, the goal is to use linear matrix inequalities (LMIs) techniques to design an active state-feedback control to suppress flutter. Due to unmeasurable aerodynamic-lag states, one needs to use a dynamic observer. So, LMIs also were applied to design a state-estimator. The simulated model consists of a classical flat plate in a two-dimensional flow. Two regulators were designed, the first one is a non-robust design for parametric variation and the second one is a robust control design, both designed by using LMIs. The parametric uncertainties are modeled through polytopic uncertainties. The paper concludes with numerical simulations for each controller. The open-loop and closed-loop responses are also compared and the results show the flutter suppression. The perfomance for both controllers are compared and discussed.
Characterization of the Sexual Self- and Cross-Compatibility in Genotypes of Cacao  [PDF]
Samuel Martins de Jesus Branco, Daniela Viana da Silva, Uilson Vanderlei Lopes, Ronan Xavier Corrêa
American Journal of Plant Sciences (AJPS) , 2018, DOI: 10.4236/ajps.2018.99131
Abstract: Cacao is a tree crop of high economic importance and the subject of several studies aiming the genetic improvement of the species with the incorporation of characteristics that are agronomically important to create superior genotypes. In this context, this study aimed to characterize 22 genotypes of cacao for sexual compatibility, which is a trait that is strongly associated with yield. Additionally, we identify genotypes incompatible with clone TSH-1188 through controlled intercrosses, due to the great importance of this clone in cocoa breeding. Fifteen genotypes were characterized as self-incompatible and other seven as self-compatible, considering the retention index (20%) of self-pollinated flowers. Nine genotypes were characterized for the first time: CCN-16, COCA-3310, COCA-3370/5, EB-1017, IMC-119, IMC-97, LCTEEN-37A, NA-45, and UF-612. Cacao genotypes showed flower retention index ranging from 0.0% to 55.1% after 15 days of self-pollinations. The number of retained flowers varied after self-pollination of cacao genotypes at 1, 5 and 15 days after pollination. CCN-51, Catongo, CCN-10 and P-4B, were the genotypes with minor losses of flowers after 15 days of pollination, while IMC-119 and TSH-516 had 100% of loss of flowers between 1 and 5 days after pollination. Moreover, the flower retention index 15 days after cross-pollination with TSH-1188 ranged from 0.0% to 87.5% among the tested genotypes. The results of cross-pollinations identified two genotypes that are incompatibles, EB-1017 and IMC-119. This result is important for future allelic studies of incompatibility in cacao, because it might indicate that these genotypes share the same self-incompatibility allele(s). We conclude, therefore, that this study enable the characterization of this working collection of cocoa germplasm for sexual compatibility and this information is important for subsequent crosses between cacao genotypes.
Previous Pulmonary Fibrosis in Dermatomyositis/Polymyositis: A Predictive Factor for Pulmonary and Extra-Pulmonary Tuberculosis  [PDF]
Taysa Cristiane Moreira da Silva, Adriana Coracini Tonacio de Proen?a, Samuel Katsuyuki Shinjo
Open Journal of Rheumatology and Autoimmune Diseases (OJRA) , 2018, DOI: 10.4236/ojra.2018.84011
Abstract: Objective: With scant studies in the literature, little is known about the risk factors for tuberculosis in patients with dermatomyositis/polymyositis. Therefore, the aim of the present study was to analyze the predictive factors for tuberculosis development in dermatomyositis/polymyositis. Methods: This single-center, retrospective, cohort study initially included 290 patients with dermatomyositis/polymyositis, from 2002 to 2016. Tuberculosis (pulmonary and/or extra-pulmonary) was confirmed after dermatomyositis/polymyositis diagnosis in 12 patients (4.1%) (Tuberculosis+ group). For the control group (Tuberculosis), 24 patients without tuberculosis were arbitrarily selected in the same period and matched for age, ethnicity, gender, age at disease diagnosis, disease duration and type (dermatomyositis or polymyositis). Results: Tuberculosis occurred for a median of 16 months after dermatomyositis/polymyositis diagnosis. Clinical, laboratory and treatment features were similar in Tuberculosis+ and Tuberculosis groups (P > 0.05). However, previous pulmonary fibrosis in dermatomyositis/polymyositis was more prevalent in the Tuberculosis+ group (41.7 vs. 8.3%; P = 0.029). Moreover, on a multivariate logistic regression model, pulmonary fibrosis was significantly associated with Tuberculosis (Odds ratio: 9.59, 95% confidence interval: 1.17 - 78.82). Tuberculosis affected 3 dermatomyositis cases for every 1 polymyositis case, with predominantly pulmonary followed by extra-pulmonary involvement (pleura, cutaneous, muscular, joint, soft tissue and hematologic). Two or more sites were affected in 41.7% of cases. Conclusions: Previous pulmonary fibrosis in dermatomyositis/polymyositis was a predictive factor associated with tuberculosis development. Further studies are needed to confirm these results.
Um Sistema de Informa o Gerencial para Softhouse
S?nia Maria da Silva Gomes,Samuel Vieira da Silva
Contabilidade Vista & Revista , 2007,
Abstract: Atualmente, as companhias dependem cada vez mais dos servi os de software eprocuram empresas confiáveis e que forne am servi os com qualidade. Por seu lado, as empresasdesenvolvedoras de software têm dificuldades em mensurar seus gastos com desenvolvimentode software, que extrapola a dimens o do esfor o humana-hora. Dentro destecenário, o presente artigo apresenta um sistema de contabilidade por atividades (SCPA) paraa gest o de empresas de servi os em desenvolvimento de software. O modelo apresentadopartiu da realidade de empresas catarinenses de desenvolvimento de software, que fizeramparte dessa pesquisa, tanto como fornecedoras de informa es como avaliadoras do modeloapresentado. O modelo de SCPA apresentado traz três dimens es: subsistema decisório,subsistema operacional e subsistema ciclo contábil, os quais combinados fornecer o informa esque garantam as empresas de desenvolvimento de software o controle gerencialsobre seus custos de desenvolvimento.
CARACTERIZA O DOS RECURSOS HíDRICOS SUBTERR NEOS NO MUNICíPIO DE SANTA ROSA - RS - DOI: 10.7154/RDG.2011.0022.0001
Eduardo Samuel Riffel,Eduardo Samuel Riffel,Jose Luis Silverio da Silva,Jose Luis Silverio da Silva
Revista do Departamento de Geografia , 2011, DOI: 10.7154/rdg.v0i22.131
Abstract: A água é um recurso natural essencial à vida, por isso se faz necessário que se haja um conhecimento amplo sobre sua quantidade e qualidade. Este trabalho apresenta uma análise das águas subterraneas no município de Santa Rosa localizado no estado do Rio Grande do Sul. Tendo como objetivo principal caracterizar os recursos hídricos subterraneos do município através de uma espacializa o cartográfica, realizar uma avalia o das características físico-químicas e hidrodinamicas das águas subterraneas, e cadastrar os po os tubulares na área urbana e rural. Para tanto, utilizou-se para a execu o do estudo, dados pré-existentes na página eletr nica do Sistema de Informa es de águas Subterraneas (SIAGAS), na Prefeitura Municipal de Santa Rosa, e em empresas de perfura o de po os, realizou-se também pesquisa de campo com o uso do “Global Position System” (GPS) e técnicas computacionais. Para caracterizar as águas subterraneas, fez-se a análise de parametros físico-químicos em amostras coletadas em campo. Como resultado mais relevante desta pesquisa tem-se o cadastro dos po os tubulares para um possível monitoramento e a gera o de diversos mapas indicando a espacializa o da qualidade da água. Desta forma, esse estudo contribuirá para o planejamento adequado do município de Santa Rosa-RS trazendo subsídios aos órg os gestores e à sociedade. ANALYSIS OF GROUDWATER RESOURCES IN THE MUNICIPALITY OF SANTA ROSA – RS Abstract: Water is a natural resource essential to life, so it is necessary that there is a broad knowledge about their quantity and quality. This paper presents an analysis of groundwater in the Santa Rosa state Southern Brazil. Its main goal is to characterize the groundwater resources of the municipality through a spatial map, conduct an assessment of the physico-chemical and hydrodynamic groundwater. Were registered their wells in urban and rural areas. Were used to carrying out the study, pre-existing data on the website of the Groundwater Information System (SIAGAS), the prefecture of City of Santa Rosa. Were executed contacts with the companies well drilling and was carried out also field research with the use of Global Position System (GPS) and computational techniques. To characterize the groundwater, was executed the analysis of physical and chemical parameters in samples collected in the field. As most relevant result of this research has been the registration the position wells for a possible monitoring and generation of several maps showing the spatial distribution of water quality. Thus, this study will contribute to the proper plannin
The Perú-Chile undercurrent and the oxigen minimum zone variability off central Chile
Hormazábal,Samuel; Shaffer,Gary; Silva,Nelson; Navarro,Eduardo;
Gayana (Concepción) , 2006, DOI: 10.4067/S0717-65382006000300009
Abstract: ten years of continuous current meter recordings near the core of the peru-chile undercurrent (pcu) over the continental slope at 30°s off chile, local and equatorial wind stress data, and monthly oceanographic sections off valparaíso (33°s) are used to study the variability of the pcu and the oxygen minimum zone (omz) off chile. the physics that governs the pcu variability differs for intraseasonal periods and for longer periods: coastal trapped waves dominate the intraseasonal band whereas rossby waves dominate for periods greater than about 120 days. semiannual and annual period fluctuations can largely be explained by rossby waves forced by equatorial kelvin waves and local winds. seasonal variations in the pcu are strongly modulated over el ni?o/la ni?a cycles. during warm el ni?o events, the pcu undergoes strong, semiannual variability whereas during la ni?a events, annual variability dominates. these results together with oceanographic sections off valparaíso suggest that rossby waves provide a physical mechanism to explain a significant fraction of seasonal variability observed in the omz. during the downwelling (upwelling) phase of these waves the poleward (equatoward) flow is stronger (90° out of phase with respect to sea level), the isotherms are deeper (shallower), the omz thickness increases (decreases), the mean concentration of salinity and silicate increases (decreases) and oxygen concentration and nitrate deficit decrease (increase) in the omz.
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