646 resultados para 998


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A total of 53 calcareous nannofossil datums were detected in Quaternary and Neogene sections recovered during Ocean Drilling Program Leg 165 in the Caribbean Sea. Most of the low-latitude nannofossil zonal markers of Okada and Bukry could be determined at all of the sites. Additionally, size distribution patterns of specimens of Reticulofenestra, a common genus in Neogene and Quaternary sediments, were examined to interpret the biostratigraphic utility of changes in size.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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Pl. no. 998.

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The story of Thromod, the poet.

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Mode of access: Internet.

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Item 998

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"The plates are from drawings made by Corporal R. Spackman, R.E. (British Museum Add. Ms. 30, 988) ..."

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Pesticides leaching through a soil profile will be exposed to changing environmental sorption and desorption conditions as different horizons with distinct physical and chemical properties are encountered. Soil cores were taken from a clay soil profile and samples taken from 0.0 to 0.3 m (surface), 1.0-1.3 m (mid) and 2.7-3.0 m (deep) and treated with the chloroacetanilide herbicide, acetochlor. Freundlich isotherms revealed that sorption and desorption behaviour varied with each depth sampled. As soil depth increased, the extent and strength of sorption decreased, indicating that the potential for leaching was increased in the subsoils compared with the surface soil. Hysteresis was evident at each of the three depths sampled, although no significant correlations between soil properties and the hysteresis coefficients were evident. Desorption studies using soil fractions with diameters of > 2000, 250-2000, 53-250, 20-53, 2-20, 0-2 and 0-1 mum separated from each of the three soil depths showed that differential desorption kinetics occurred and that the retention of acetochlor significantly correlated (R-2 = 0.998) with organic matter content. A greater understanding of the influence of soil components on the overall sorption and desorption potential of surface and subsurface soils is required to allow accurate prediction of acetochlor retention in the soil. In addition, it is likely that the proportion of each size fraction in a soil horizon would influence acetochlor bioavailability and movement to groundwater.

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Study objective: Low birth weight predicts cardiovascular disease in adulthood, and one possible explanation is that children with lower birth weight consume more fat than those born heavier. Therefore, the objective of this study was to investigate associations between birth weight and childhood diet, and in particular, to test the hypothesis that birth weight is inversely related to total and saturated fat intake. Design: Prospective cohort study. Setting: South west England. Participants: A subgroup of children enrolled in the Avon longitudinal study of parents and children, with data on birth weight and also diet at ages 8, 18, 43 months, and 7 years ( 1152, 998, 848, and 771 children respectively). Main results: Associations between birth weight and diet increased in strength from age 8 to 43 months, but had diminished by age 7 years. Fat, saturated fat, and protein intakes were inversely, and carbohydrate intake was positively associated with birth weight at 43 months of age, after adjusting for age, sex, and energy intake. After adjustment for other confounders, all associations were weakened, although there was still a suggestion of a relation with saturated fat ( -0.48 (95% CI -0.97, 0.02) g/day per 500 g increase in birth weight. Similar patterns were seen in boys and girls separately, and when the sample was restricted to those with complete data at all ages. Conclusions: A small inverse association was found between birth weight and saturated fat intake in children at 43 months of age but this was not present at 7 years of age. This study therefore provides little evidence that birth weight modifies subsequent childhood diet.

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O presente estudo teve como seu objetivo geral investigar o modelo didático-pedagógico que vem sendo utilizado no ensino jurídico brasileiro, ressaltando a necessidade da busca pela formação integral do futuro operador do Direito, conforme preceitua a Resolução CNE/CES n°09/04. De modo especial, procurou investigar como a utilização do cinema pode ser compreendida como recurso para possibilitar a interação das disciplinas da área jurídica com a de outras áreas do conhecimento, incluindo arte e estética na formação do discente de Direito, visando uma maior eficácia do exercício operacional da inteligência, ampliação de visão de mundo e exercício do pensamento crítico. Os caminhos percorridos nesta pesquisa incluíram um estudo teórico sobre o histórico e os problemas do ensino jurídico no Brasil, discutindo-se as características pedagógicas dos cursos de Direito, bem como as inovações trazidas pelo MEC no que tange à adequação dos currículos e da pedagogia para alcançar o ensino humanístico, de acordo com a realidade dinâmica da sociedade globalizada. Nesta esteira, a pesquisa visou problematizar como o cinema, considerando-o como veículo instrucional, pode ser utilizado como metodologia inter e transdisciplinar nos cursos de Direito. Elaborou-se, também, uma investigação de campo que pretendeu, por meio de questionário estruturado, obter as opiniões de alunos sobre uma experiência de docência na disciplina de Direito Internacional Público onde se utiliza, de forma regular, trechos de produções cinematográficas como elementos contextualizadores de saberes na área lecionada. A pesquisa evidenciou que são poucos os professores de direito que se utilizam do cinema em suas aulas, embora todos os alunos pesquisados entendam ser esta uma prática extremamente válida e dialógica, que os leva à ampliação de conhecimento de mundo e ao pensamento crítico.

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In the ionic liquids [Bmim][PF6] or [Bmim][BF4], a series of succinimide, maleimide and phthalimide derivatives were synthesized from corresponding anhydrides with a variety of primary amines in excellent yield.