989 resultados para Alba, Fernando Álvarez de Toledo Duque de-Biografies
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This document produced by the Iowa Department of Administrative Services has been developed to provide a multitude of information about executive branch agencies/department on a single sheet of paper. The facts provides general information, contact information, workforce data, leave and benefits information and affirmative action data.
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This document produced by the Iowa Department of Administrative Services has been developed to provide a multitude of information about executive branch agencies/department on a single sheet of paper. The facts provides general information, contact information, workforce data, leave and benefits information and affirmative action data.
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O Arquipélago de Fernando de Noronha (FN) possui solos pouco desenvolvidos das classes dos Cambissolos, Vertissolos e Neossolos, com características peculiares relacionadas ao material de origem vulcânico, clima tropical com franco domínio oceânico e relevo ondulado a forte ondulado. Os Vertissolos de FN são formados a partir de rochas básicas, tufos vulcânicos e sedimentos aluvionares e estão associados às superfícies rebaixadas com drenagem impedida do planalto central ou da baixada litorânea. Tendo em vista a necessidade de preservação ambiental, uso agrícola ou geotécnico e características peculiares desse ambiente insular, os Vertissolos de FN precisam de melhor entendimento de seus atributos. O objetivo deste trabalho foi, portanto, caracterizar morfológica, física, química e mineralogicamente Vertissolos de ocorrência comum na ilha de Fernando de Noronha. Três perfis de Vertissolos derivados de diferentes materiais de origem, classes de drenagem e níveis de salinidade e sodicidade foram descritos e coletados para realização das análises de caracterização. Os solos estudados foram: Vertissolo Háplico órtico solódico (P01), Vertissolo Háplico sálico gleissólico (P02) e Vertissolo Háplico sódico gleissólico (P03). Os Vertissolos de FN apresentam feições típicas da ordem, como a textura argilosa a muito argilosa, as superfícies de fricção (slickensides) e o fendilhamento horizontal e vertical quando secos. Esses solos são imperfeitamente a maldrenados e sofrem alagamento temporário no período de maior concentração das chuvas. Apresentam elevados valores de soma e saturação por bases, além de teores altos a muito altos de P extraível, de distribuição irregular entre perfis e com dominância de formas inorgânicas. Não obstante, esses apresentam problemas de acumulação de sais, o que restringe a utilização agrícola ou geotécnica deles. Os principais minerais da fração argila dos solos são do grupo das esmectitas, seguidos por caulinitas e, ou, haloisitas. A fração silte é constituída por hematita, goethita, magnetita/maghemita, ilmenita, mica e feldspato e por minerais pouco comuns em solos brasileiros como crandalita e holandita.
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This document produced by the Iowa Department of Administrative Services has been developed to provide a multitude of information about executive branch agencies/department on a single sheet of paper. The facts provides general information, contact information, workforce data, leave and benefits information and affirmative action data.
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Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.
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In species with parental care, siblings compete for access to food resources. Typically, they vocally signal their level of need to each other and to parents, and jostle for the position in the nest where parents deliver food. Although food shortage and social interactions are stressful, little is known about the effect of stress on the way siblings resolve the conflict over how food is shared among them. Because glucocorticoid hormones mediate physiological and behavioral responses to stressors, we tested whether corticosterone, the main glucocorticoid in birds, modulates physical and vocal signaling used by barn owl siblings (Tyto alba) to compete for food. Although corticosterone-implanted (cort-) nestlings and placebo-nestlings were similarly successful to monopolize food, they employed different behavioral strategies. Compared to placebo-nestlings, cort-individuals reduced the rate of vocally communicating with their siblings (but not with their parents) but were positioned closer to the nest-box entrance where parents predictably deliver food. Therefore, corticosterone induced nestlings to increase their effort in physical competition for the best nest position at the expense of investment in sib-sib communication without modifying vocal begging signals directed to parents. This suggests that in the barn owl stress alters nestlings' behavior and corticosterone could mediate the trade-off between scramble competition and vocal sib-sib communication. We conclude that stressful environments may prevent the evolution of sib-sib communication as a way to resolve family conflicts peacefully.
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Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.
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BACKGROUND Animal model studies have shown that the colon tumour promoting effect of dietary fat depends not only on the amount but on its fatty acid composition. With respect to this, the effect of n9 fatty acids, present in olive oil, on colon carcinogenesis has been scarcely investigated. AIMS To assess the effect of an n9 fat diet on precancer events, carcinoma development, and changes in mucosal fatty acid composition and prostaglandin (PG)E2 formation in male Sprague-Dawley rats with azoxymethane induced colon cancer. METHODS Rats were divided into three groups to receive isocaloric diets (5% of the energy as fat) rich in n9, n3, or n6 fat, and were administered azoxymethane subcutaneously once a week for 11 weeks at a dose rate of 7.4 mg/kg body weight. Vehicle treated groups received an equal volume of normal saline. Groups of animals were colectomised at weeks 12 and 19 after the first dose of azoxymethane or saline. Mucosal fatty acids were assessed at 12 and 19 weeks. Aberrant crypt foci and the in vivo intracolonic release of PGE2 were assessed at week 12, and tumour formation at week 19. RESULTS Rats on the n6 diet were found to have colonic aberrant crypt foci and adenocarcinomas more often than those consuming either the n9 or n3 diet. There were no differences between the rats on the n9 and n3 diets. On the other hand, administration of both n9 and n3 diets was associated with a decrease in mucosal arachidonate concentrations as compared with the n6 diet. Carcinogen treatment induced an appreciable increase in PGE2 formation in rats fed the n6 diet, but not in those fed the n3 and n9 diets. CONCLUSIONS Dietary olive oil prevented the development of aberrant crypt foci and colon carcinomas in rats, suggesting that olive oil may have chemopreventive activity against colon carcinogenesis. These effects may be partly due to modulation of arachidonic acid metabolism and local PGE2synthesis.
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[spa] Este texto forma parte de un proyecto de investigación Los efectos de los cambios sociales en el trabajo y la vida profesional de los docentes universitarios, parcialmente financiado por el Ministerio de Ciencia e Innovación (SEJ2006-01876), en el que nos planteamos explorar los cambios los ámbitos de la legislación, laorganización institucional, la investigación, la gestión y la docencia en los últimos treinta años. El principal objetivo del estudio era profundizar en nuestra comprensión sobre el impacto del cambio económico, social, cultural, tecnológico y laboral que están experimentando las universidades españolas en la vida y la identidad profesional del personal docente e investigador, teniendo en cuenta el contexto nacional y europeo. Estapublicación recoge la 24 historias de vida profesional realizas con o sobre otros tantos docentes universitarios. Sus relatos analizados y contextualizados, significan una contribución significativa al conocimiento basado en la investigación sobre el saber profesional y la experiencia laboral en las universidades españolas, y en consecuencia, a nuestra comprensión sobre cómo los académicos se están enfrentando con los cambios actuales.
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El projecte de TAV es basa en la transferència d'un sistema de vals de capacitació, i en com aquest sistema de vals és adaptable a altres països o regions. En el document s'analitzen diferents conceptes teòrics sobre la conveniència o no de la implantació d'aquest sistema. A més a més, aquest document és una guia per a les organitzacions interessades en l'adaptació del sistema de vals formatius al seu territori, mostrant els passos a seguir i oferint eines útils per aconseguir-ho.
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Capsule Habitat parameters associated with 706 Barn Owl (Tyto alba) nesting boxes in Israel were analysed. Pairs bred in 259 of the boxes. The intensity of agricultural practices at nestbox sites were shown to have only a weak effect on aspects of Barn Owl breeding in this region.
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The paper examines the intergenerational impact of the Spanish public pension system after the 1997 Pension Reform Act. Working within a Generational Accounting framework, we find that maintaining the new legal setting could leave future generations with liabilities as high as 176 percent of base year GDP. As the recent reform measures have been insufficient to achieve the sustainability of the current pension system, we also analyse the impact of alternative reform strategies. Within the current pay-as-you-go setting, a further improvement to tax-benefit linkage in line with the original spirit of the Toledo Agreement is shown to yield and intergenerationally more balanced outcome,than an increase in the retirement age or an expansion of public subsidies financed through indirect taxes. Finally, we examine the generational impact of a move toward a partially funded pension system which might restore theintergenerational balance
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[spa] Este texto forma parte de un proyecto de investigación Los efectos de los cambios sociales en el trabajo y la vida profesional de los docentes universitarios, parcialmente financiado por el Ministerio de Ciencia e Innovación (SEJ2006-01876), en el que nos planteamos explorar los cambios los ámbitos de la legislación, laorganización institucional, la investigación, la gestión y la docencia en los últimos treinta años. El principal objetivo del estudio era profundizar en nuestra comprensión sobre el impacto del cambio económico, social, cultural, tecnológico y laboral que están experimentando las universidades españolas en la vida y la identidad profesional del personal docente e investigador, teniendo en cuenta el contexto nacional y europeo. Estapublicación recoge la 24 historias de vida profesional realizas con o sobre otros tantos docentes universitarios. Sus relatos analizados y contextualizados, significan una contribución significativa al conocimiento basado en la investigación sobre el saber profesional y la experiencia laboral en las universidades españolas, y en consecuencia, a nuestra comprensión sobre cómo los académicos se están enfrentando con los cambios actuales.