953 resultados para Marco Aurelio , Emperador de Roma


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2005

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2005

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Contém tabela 1: Nível em substituição do milho em dieta (% do concentrado) e tabela 2: Nível em substituição do milho em dieta (% do concentrado) e seu efeito hepático e renal em ovinos.

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Gaze hierarchizes, manages and labels reality. Then, according to Foucault, gaze can be understood as a practice of power. This paper is inspired by his theories, and it applies them to one of the most powerful symbolic spheres of Western culture: Greek Myths. Notions such as visibility, invisibility and panopticism bring new light into the story of Perseus and Medusa, and they enable a re-reading of this Myth focused on the different ways of power that emerge from the gaze.

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Contient : Rome (1513-1658). — Pièces diverses, relatives aux affaires de Rome, 1513-1527 (f. 1) ; « Lettre du Roy au cardinal de Rambouillet, sur le sujet de la liberté du comte Gaiasse », 1571 ; « Commentarius caussarum belli a Paulo IIII, Pont. Max., in Italia suscepti anno 1556 », pièce anciennement paginée 509-528 ; Manifeste en faveur de Marc-Antoine Colonna, 1572 ; Minutes de lettres de Charles IX, à l'occasion de la maladie de Pie V, 1572 ; « Relatione dell'illustrissimo seignore Giovanni Dolfino, cavalliere e procuratore di Santo-Marco, ritornato d'ambasciatore à Roma l'anno 1598 » ; « Discours de l'Estat de l'Esglise et court de Rome », 1604, par J. Bosc ; Pièces relatives à divers conclaves ; Relations de la mort et éloges de Clément VIII (f. 173), — et du cardinal Baronius (f. 174) ; Pièces relatives à l'élection de Grégoire XV, 1621 ; « Relation des affaires de la cour de Rome..., faite par le sr de Brèves », 1623 ; Pièces relatives à l'élection d'Urbain VIII, 1623 ; Relation de la cour de Rome, 1624 ; Pièces relatives à l'élection d'Innocent X, 1644 ; « Mémoire, fait durant la maladie du pape Innocent X, des noms des cardinaux, de leurs aages et qualitez », 1655 ; Pièces relatives à l'élection d'Alexandre VII, 1655 ; « Relatione del clarissimo Mgr Bernardo Navagiero, che fu poi cardinale, ritornando da Roma ambasciatore à papa Paolo quarto, l'anno 1558 » ; « Il sussesso della morte di signori Carafi, con la declaratione et il modo che morirono » ; Mémoire sur la Cour pontificale au temps de Paul V, vers 1615 (f. 457) ; Venise (XVIe siècle-1627). — « Discours de l'évesque de Rodez [Georges d'Armagnac], ambassadeur pour le Roy à Venise... » (f. 291) ; « Mémoire pour... faire sçavoir les payemens ordonnez à la seigneurie de Venise et au duc de Florence, sur les prests par eux faicts au Roy », 1573 (f. 293), — et autres pièces concernant Venise et principalement les relations de Venise avec la France (f. 294) ; Pièces relatives aux différends entre les papes Clément VIII et Paul V et les Vénitiens, 1600-1607 ; « Relation de Venize, de l'année 1627 » ; Gênes (1575-1629). — « Relazione di Genova », 1575, mémoire très détaillé (f. 367) ; « Relatione della cità et dominio Genovese », 1580 ; Autre relation, adressée à Charles IX ; « Instruction baillée à Monsieur de Sabran, envoyé... vers le duc et la seigneurie de Gênes », 1629 (f. 440) ; Lucques . — « Mémoire de l'Estat de Lucques, depuis 1303 jusques en 1400... » (f. 446)

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Archivo Fotográfico

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UANL

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Tesis (Doctor en Ingeniería de Materiales) UANL, 2012.

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El Síndrome de Apnea/Hipopnea Obstructiva del Sueño (SAHOS) se caracteriza por un cuadro de somnolencia diurna, trastornos neuropsiquiátricos y cardiorrespiratorios, secundario a episodios repetidos de obstrucción de la vía aérea superior (VAS) durante el sueño, que provocan desaturación constante de la oxihemoglobina y microdespertares que dan lugar a un sueño no reparador.1 El SAHOS representa un problema importante de salud en términos de la prevalencia y de los altos niveles de morbilidad y mortalidad.2 Se encuentra en 2-4% de la población adulta en el mundo industrializado3, 4 y 1-2% de la población general en Estados Unidos5 y Japón;6 aunque se sugiere que hay muchos casos no diagnosticados en estos países.7 No se dispone de datos de la prevalencia de SAHOS en Colombia.

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Introducción: La esquizofrenia es una enfermedad crónica que genera deterioro cognitivo y diversos grados de discapacidad. Dentro del tratamiento no solo debe considerarse el abordaje farmacológico sino también un enfoque psicoterapéutico. La psicoeducación es una intervención terapéutica con alto potencial en el manejo de pacientes con esquizofrenia, tiene importantes resultados especialmente en el área cognitiva. Métodos: Revisión sistemática de la literatura de artículos de bases de datos y búsqueda manual de revistas relacionadas que aportaran la mejor evidencia. Se evaluó calidad metodológica de los estudios y estos se organizaron en tablas de evidencia. Resultados: De 34 artículos potenciales, se seleccionaron finalmente dos para ser incluidos en la revisión. Se clasificaron como nivel de evidencia I. A pesar de la ambigüedad de las comparaciones, en general, las intervenciones psicoeducativas aportan beneficios con disminución de recaídas y reingresos hospitalarios. Discusión: La amplia gama de comparaciones aportó complejidad en el momento de incluir estudios para la presente revisión, la falta de detalle sobre aspectos propios de la intervención utilizada en cada estudio, generó limitaciones al momento de realizar comparaciones. La psicoeducación aporta beneficios, sin embargo debe tenerse en cuenta el compromiso cognitivo propio de la enfermedad, al momento de evaluar los desenlaces de este tipo de intervenciones. Conclusión: Las intervenciones psicoeducativas juegan un importante papel en el tratamiento de los pacientes con esquizofrenia. Es necesaria la realización de más estudios que consoliden con mayor firmeza la evidencia científica en éste área en particular.

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Esta monografía busca analizar las relaciones que se han construido entre la OEA y el Mercosur desde el enfoque teórico Sistema-Mundo: viendo que han sido a la vez de conflicto y complementariedad , lo cual se agudizo en la primera década del SXXI.

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Esta monografía es una reflexión moral que parte de los supuestos que lo único cierto es vivir la vida y que la responsabilidad moral es el campo de aplicación sobre el que se mueve el discurso moral. No es una reflexión metafísica, ni tampoco pretende hacer una justificación de principios

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Objective: Self-rating provides a simple direct way of capturing perceptions of health. The objective of this study was to estimate the prevalence and associated factors of poor self-rated oral health among elders. Methods: National data from a cross-sectional population-based study with a multistage random sample of 4786 Brazilian older adults (aged 65-74) in 250 towns were analysed. Data collection included oral examinations (WHO 1997) and struct-ured interviews at elderly households. The outcome was measured by a single five-point-response-scale question dichotomized into `poor` (fair/poor/very poor) and `good` (good/very good) self-rated oral health. Data analyses used Poisson regression models stratified by sex. Results: The prevalence of poor self-rated oral health was 46.6% (95% CI: 45.2-48%) in the whole sample, 50.3% (48-52.5) in men and 44.2% (42.4-46) in women. Higher prevalence ratios (PR) were found in elders reporting unfavourable dental appearance (PR = 2.31; 95% CI: 2.02-2.65), poor chewing ability (PR = 1.64; CI: 1.48-1.8) and dental pain (PR = 1.44; CI: 1.04-1.23) in adjusted analysis. Poor self-perception was also associated with being men, black, unfavourable socioeconomic circumstances, unfavourable clinical oral health and with not using or needing a dental prosthesis. Conclusion: Assessment and understanding of self-rated oral health should take into account social factors, subjective and clinical oral symptoms.

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Crassulacean acid metabolism (CAM) confers crucial adaptations for plants living under frequent environmental stresses. A wide metabolic plasticity can be found among CAM species regarding the type of storage carbohydrate, organic acid accumulated at night and decarboxylating system. Consequently, many aspects of the CAM pathway control are still elusive while the impact of this photosynthetic adaptation on nitrogen metabolism has remained largely unexplored. In this study, we investigated a possible link between the CAM cycle and the nitrogen assimilation in the atmospheric bromeliad Tillandsia pohliana by simultaneously characterizing the diel changes in key enzyme activities and metabolite levels of both organic acid and nitrate metabolisms. The results revealed that T. pohliana performed a typical CAM cycle in which phosphoenolpyruvate carboxylase and phosphoenolpyruvate carboxykinase phosphorylation seemed to play a crucial role to avoid futile cycles of carboxylation and decarboxylation. Unlike all other bromeliads previously investigated, almost equimolar concentrations of malate and citrate were accumulated at night. Moreover, a marked nocturnal depletion in the starch reservoirs and an atypical pattern of nitrate reduction restricted to the nighttime were also observed. Since reduction and assimilation of nitrate requires a massive supply of reducing power and energy and considering that T. pohliana lives overexposed to the sunlight, we hypothesize that citrate decarboxylation might be an accessory mechanism to increase internal CO(2) concentration during the day while its biosynthesis could provide NADH and ATP for nocturnal assimilation of nitrate. Therefore, besides delivering photoprotection during the day, citrate might represent a key component connecting both CAM pathway and nitrogen metabolism in T. pohliana: a scenario that certainly deserves further study not only in this species but also in other CAM plants that nocturnally accumulate citrate. (C) 2010 Elsevier GmbH. All rights reserved.

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Background and Aims In the Amazonian floodplains plants withstand annual periods of flooding which can last 7 months. Under these conditions seedlings remain submerged in the dark for long periods since light penetration in the water is limited. Himatanthus sucuuba is a tree species found in the `varzea` (VZ) floodplains and adjacent non-flooded `terra-firme` (TF) forests. Biochemical traits which enhance flood tolerance and colonization success of H. sucuuba in periodically flooded environments were investigated. Methods Storage carbohydrates of seeds of VZ and TF populations were extracted and analysed by HPAEC/PAD. Starch was analysed by enzyme (glucoamylase) degradation followed by quantification of glucose oxidase. Carbohydrate composition of roots of VZ and TF seedlings was studied after experimental exposure to a 15-d period of submersion in light versus darkness. Key Results The endosperm contains a large proportion of the seed reserves, raffinose being the main nonstructural carbohydrate. Around 93% of the cell wall storage polysaccharides (percentage dry weight basis) in the endosperm of VZ seeds was composed of mannose, while soluble sugars accounted for 2.5%. In contrast, 74% of the endosperm in TF seeds was composed of galactomannans, while 22% of the endosperm was soluble sugars. This suggested a larger carbohydrate allocation to germination in TF populations whereas VZ populations allocate comparatively more to carbohydrates mobilized during seedling development. The concentration of root non-structural carbohydrates in non-flooded seedlings strongly decreased after a 15-d period of darkness, whereas flooded seedlings were less affected. These effects were more pronounced in TF seedlings, which showed significantly lower root non-structural carbohydrate concentrations. Conclusions There seem to be metabolic adjustments in VZ but not TF seedlings that lead to adaptation to the combined stresses of darkness and flooding. This seems to be important for the survival of the species in these contrasting environments, leading these populations to different directions during evolution.