990 resultados para 319.27


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Neste trabalho foram analisadas as condições sinóticas associadas à atuação de um Complexo Convectivo de Mesoescala (CCM), ocorrido no dia 27/11/02, no nordeste da Argentina. Para tal foram utilizadas imagens no canal infravermelho do satélite meteorológico GOES-8 e campos simulados pelo modelo regional BRAMS. A simulação feita com o modelo, com saídas de três em três horas, permitiu detalhar o comportamento das variáveis meteorológicas em grande escala que afetam o ciclo de vida do CCM, reproduzindo as condições favoráveis para sua iniciação, manutenção e dissipação. Os resultados mostraram que o CCM estudado apresentou características similares às observadas por diversos autores.

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The major aim of this study was to evaluate the inbreeding (F), average relatedness coefficient (AR) and effective population size (Ne) in the Jaffarabadi buffalo breed from Brazil. Pedigree information of 1,272 animals born from 1966 was used. The effective population size was calculated in two ways: first, computed via individual increase in inbreeding and second estimated by individual increase in coancestry. The known generation numbers were 1.24, 1.76 and 2.64 for complete, equivalent and maximum generation, respectively. The effective size computed via individual increase in coancestry was small with a value of 10.82 +/- 1.29. The effective size computed by individual increase in inbreeding (10.40 +/- 3.69) was very similar but a little smaller than the previous reported value. The average values of F and AR for the population reference (1,059) were 4.22 and 12.5 percent. The mean of F for inbred animals (319) was 14.0%. The F and AR means were 5.7 and 13.3% for animals with at least 1.5 known equivalent generation and 9.3 and 15.97% for individuals having at least 2.5 equivalent generations known. It was found 78 matings between half sibs (6.14%) and 67 matings (5.27%) between parent-offspring. The estimated inbreeding increase per generation by considering maximum generation, complete generation and equivalent generation were 1.21%, 5.18% and 3.57%, respectively. Considering the uncompleted pedigree, the estimated inbreeding for the reference population could be underestimated.

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

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We show that a time-dependent, effective-medium approximation essentially explains the time behavior of the polarization reversals obtained in doped copolymers of vinylidene fluoride and trifluorethylene at 60°C by Ieda, Fukada, and Wada [J. Appl. Phys. 64, 2026 (1988)], who attributed the observed effects to charge accumulation at the boundaries of the permanently polarized crystallites. Moreover, the results seem to indicate that some hindrance (perhaps of mechanical origin) opposes the action of the switching electric field.

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Boletim elaborado pela Assessoria de Comunicação e Imprensa da Reitoria da UNESP

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Jornal elaborado pela Assessoria de Comunicação e Imprensa da Reitoria da UNESP

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Revista elaborada pela Assessoria de Comunicação e Imprensa da Reitoria da UNESP

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The Strom and Jean Crouch Thurmond Scrapbook collection consists of three scrapbooks containing photocopies of clippings relating to Mr. and Mrs. Thurmond’s family life, as well as the political career of Strom Thurmond. Senator Thurmond’s first wife, Jean Crouch Thurmond was a 1947 graduate of Winthrop College, the South Carolina College for Women.

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The Rock Hill History is a handwritten history covering the period from the founding of the city of Rock Hill, SC in 1852 to 1890 and describes the city’s founders, merchants, industries, schools and churches, teachers, newspapers, libraries, and banking and railroad facilities.

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"Cornstalk disease" is the name given to the cause or causes of death of cattle allowed to run in fields of standing cornstalks from which the ears have been gathered. It is probable that "many different maladies have been included under this name." In Nebraska, however, there is such a similarity in the symptoms reported by the farmers that it seems probable that the great majority of the losses attributed to cornstalk disease are really due to some common cause. As to the exact nature of this cause nothing is known. However, various theories have been advanced, and methods of prevention or treatment based upon these theories have been described.