992 resultados para Schwartz, Carl E., 1935-


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Comprend : Zanzibar : sous les cocotiers.

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Este artigo tem por objetivo analisar os quadros estatísticos de atendimento e rendimento das escolas públicas da cidade do Rio de Janeiro entre 1922 e 1935, publicados pela Diretoria Geral de Instrução Pública do Distrito Federal sobre a capacidade de atendimento das escolas e as taxas de repetência e evasão do sistema de ensino da cidade. A discussão central diz respeito à elaboração dos índices de matrícula, frequência e promoção das escolas cariocas durante as reformas dirigidas por Antônio de Arruda Carneiro Leão (1922-1926), Fernando de Azevedo (1927-1930) e Anísio Teixeira (1931-1935). Assim, aborda-se a produção das estatísticas oficiais para compreender a expansão da capacidade de atendimento da escola pública e a contenção da evasão e da repetência.

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Doctoral dissertation, Academy of Fine Arts

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Artikkeli esittelee teoksen: Brobyggaren : Carl Enckells liv och verksamhet fram till slutet av 1917 / Cecilia af Forselles-Riska. Helsinki, 2001

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Paspalum vaginatum Schwartz plants were grown under greenhouse conditions in a continuous-flow hydroponic culture, containing NO3- or NH4+or NH4NO3 as nitrogen source. After 30 days, the size of aerial biomass and root system decreased significantly when plants were supplied with NH4+as exclusive nitrogen source. Compared to NO3- treatment, reducing and non-reducing sugars were decreasing together with a significant increase in amino acids content. NH4+-nutrition caused tillers to grow toward an orthogravitropic position (average angle of 68° with respect to the horizontal), and with NO3--nutrition, tillers tended to become diagravitropic (average angle of 23°). With NH4NO3 all the parameters measured had values in between those of the other two sources. Thus, the morphologic differences among plants growing in NO3- or NH4+ nutrition confirm the hypothesis that nitrogen source determines the growth habit of tillers in P. vaginatum by modulating the endogenous levels of reducing-non-reducing sugars.

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This reprint of the book that gave to Iowa its name was published by the State Historical Society of Iowa in commemoration of the travels and explorations of Albert M. Lea in the Iowa country in 1835 while serving as Lieutenant in the First United States Dragoons.

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A transcript of the Condition of the State of Iowa speech by Governor Herring delivered at the State Capitol.

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A transcript of the Governor's Inaugural Address by Governor Herring.

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Background: The combined serum creatinine (SCreat) and cystatin C (CysC) CKD-EPI formula constitutes a new advance for glomerular filtration rate (GFR) estimation in adults. Using inulin clearances (iGFRs), the revised SCreat and the combined Schwartz formulas, this study aims to evaluate the applicability of the combined CKD-EPI formula in children. Method: 201 iGFRs for 201 children were analyzed and divided by chronic kidney disease (CKD) stages (iGFRs ≥90 ml/min/1.73 m(2), 90 > iGFRs > 60, and iGFRs ≤59), and by age groups (<10, 10-15, and >15 years). Medians with 95% confidence intervals of bias, precision, and accuracies within 30% of the iGFRs, for all three formulas, were compared using the Wilcoxon signed-rank test. Results: For the entire cohort and for all CKD and age groups, medians of bias for the CKD-EPI formula were significantly higher (p < 0.001) and precision was significantly lower than the solely SCreat and the combined SCreat and CysC Schwartz formulas. We also found that using the CKD-EPI formula, bias decreased and accuracy increased while the child age group increased, with a better formula performance above 15 years of age. However, the CKD-EPI formula accuracy is 58% compared to 93 and 92% for the SCreat and combined Schwartz formulas in this adolescent group. Conclusions: The performance of the combined CKD-EPI formula improves in adolescence compared with younger ages. Nevertheless, the CKD-EPI formula performs more poorly than the SCreat and the combined Schwartz formula in pediatric population. © 2013 S. Karger AG, Basel.