993 resultados para Leal, Gomes, 1848-1921


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kuv., 15 x 23 cm

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To establish reference values and to assess the influence of age on the leukograms of healthy Holstein calves, blood samples were obtained from 300 animals. These samples were distributed equally (n=20) among 15 experimental groups according to age: birth to 8 hours, 9 to 16 hours, 17 to 24 hours, 2 days, 3 days, 4 days, 5 days, 6 to 7 days, 8 to 9 days, 10 to 11 days, 12 to 13 days, 14 to 15 days, 16 to 20 days, 21 to 25 days and 26 to 30 days of age. The maximum numbers of leukocytes (9,305.0/mL), segmented neutrophils (6,551.2/mL) and total neutrophils (6,678.3/mL) were noted within the first 8 hours of life, while band neutrophils peaked in number (133.3/mL) between 9 and 16 hours after birth. Meanwhile, the maximum total lymphocyte (4,992.1/µL) and typical lymphocyte (4,686.1/µL) counts occurred between 21 and 25 days, whereas atypical lymphocytes (388.5/µL) reached their maximum number between 26 and 30 days, demonstrating an inversion of the neutrophil:lymphocyte ratio over time. Thus, the influence of age on the leukocyte count of the evaluated calves was verified. The release of endogenous corticosteroids during labor or at birth may contribute to this variation in leukograms with age.

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The aim of the study is to write the first comprehensive history of the Internationale Arbeiterhilfe (International Workers’ Relief) and its message of international solidarity during the Weimar Republic, 1921–1933. The Arbeiterhilfe was the Communist International’s (Comintern) primary international solidarity organisation of the time. The work is identified as a contribution to the transnational history of the interwar period as its main focus is not on governmental politics or intra-state relations, but is focused on the transnational world of an international organisation. The history of the Arbeiterhilfe provides the main springboard from which to write a contextually-based analysis of international solidarity during the Weimar Republic. The study highlights for the first time the importance of the German communist Willi Münzenberg (1889–1940), as the leader of the Arbeiterhilfe, in the history of international solidarity. The main question of this study is how an explicit use of language coupled with the visualisation and practices of solidarity were created through the Arbeiterhilfe. How was solidarity actually envisaged, organised and brought to life by the Arbeiterhilfe in Weimar Germany? How did its expressions of solidarity change over time? Throughout the thesis, the changing and complex character of solidarity is analysed. How was the Arbeiterhilfe’s message of solidarity created and changed in relation to the Comintern and the Soviet Union’s policies? How did the Arbeiterhilfe create a new culture of international solidarity thought film, cinema, illustrated newspapers and the organising of mass spectacles of international solidarity? The Arbeiterhilfe had its international headquarters in Berlin which functioned as the base, one could argue, for some of the inter-war period’s most spectacular solidarity campaigns. The Arbeiterhilfe constitutes a significant case study of an early international organisation as it was one of the first international organisations for global (albeit not universal) international solidarity which had unparalleled prospects to develop new transnational identifications and social ties. It could consequently be suggested that the Arbeiterhilfe in several ways could be perceived as a predecessor to several post-1945 transnational solidarity organisations and International Non-Governmental Organisations (INGOs).

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Bignonia trichoclada DC. foi descrita a partir de material florífero e posteriormente foi transferida para Arrabidaea trichoclada (DC.) Bureau & K. Schum. Gomes posicionou-a no gênero monotípico Sampaiella especialmente pelo indumento tomentoso com tricomas dendríticos e grãos de pólen reticulados. Sandwith sinonimizou Sampaiella em Arrabidaea, mesmo desconhecendo os frutos. A recente descoberta de material frutífero permitiu caracterizar a espécie como tendo cápsula linear-oblonga, com três costelas inconspícuas e margem com alas, bastante distinta da cápsula de Arrabidaea. Os grãos de pólen de Sampaiella apresentam escultura reticulada, diferente da escultura microrreticulada de Arrabidaea. Devido a essas características diferenciais, é proposto o restabelecimento de Sampaiella J.C. Gomes, mas ainda deixa sem resposta seu verdadeiro relacionamento, que provavelmente poderá ser resolvido por estudos moleculares.

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1 kartta kahdessa osassa :, vär. ;, 130 x 80 cm, Mittakaavaa ei määritelty

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The effects of methylmercury (MeHg) on histochemical demonstration of the NADPH-diaphorase (NADPH-d) activity in the striate cortex were studied in 4 adult cats. Two animals were used as control. The contaminated animals received 50 ml milk containing 0.42 µg MeHg and 100 g fish containing 0.03 µg MeHg daily for 2 months. The level of MeHg in area 17 of intoxicated animals was 3.2 µg/g wet weight brain tissue. Two cats were perfused 24 h after the last dose (group 1) and the other animals were perfused 6 months later (group 2). After microtomy, sections were processed for NADPHd histochemistry procedures using the malic enzyme method. Dendritic branch counts were performed from camera lucida drawings for control and intoxicated animals (N = 80). Average, standard deviation and Student t-test were calculated for each data group. The concentrations of mercury (Hg) in milk, fish and brain tissue were measured by acid digestion of samples, followed by reduction of total Hg in the digested sample to metallic Hg using stannous chloride followed by atomic fluorescence analysis. Only group 2 revealed a reduction of the neuropil enzyme activity and morphometric analysis showed a reduction in dendritic field area and in the number of distal dendrite branches of the NADPHd neurons in the white matter (P<0.05). These results suggest that NADPHd neurons in the white matter are more vulnerable to the long-term effects of MeHg than NADPHd neurons in the gray matter.

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