Decentering the cold war in Southern Africa: the portuguese policy of decolonization and détente in Angola and Mozambique (1974–1984)

Contrary to the expectations of many, the break between Portugal and its former colonies in southern Africa was far from complete after decolonization. This article points to three major reasons. First, the impact on relations with Angola and Mozambique of the fragmentation of Portuguese state power and tense polarization in the Portuguese polity after the military coup of 24 April 1974 has been overstated and was far from entirely negative. Second, diplomatic relations were normalized between Portugal, Angola, and Mozambique during the Cold War in a way that has significant parallels with West Germany's Ostpolitik. Portugal's Südpolitik saw a cultural identity worth preserving despite geopolitical divisions and pushed for better relations and deepened ties with these states to help move them away from strict alignment with the Soviet bloc. Third, officers of the Armed Forces Movement that carried out the April 1974 coup exercised a fundamental, positive influence in Portuguese policies toward Angola and Mozambique during decolonization and for years afterward.info:eu-repo/semantics/publishedVersio

Evidence for entanglement at high temperatures in an engineered molecular magnet

The molecular compound [Fe$_{2}$($\mu_{2}$-oxo)(C$_{3}$H$_{4}$N$_{2}$)$_{6}$(C$_{2}$O$_{4}$)$_{2}$] was designed and synthesized for the first time and its structure was determined using single-crystal X-ray diffraction. The magnetic susceptibility of this compound was measured from 2 to 300 K. The analysis of the susceptibility data using protocols developed for other spin singlet ground-state systems indicates that the quantum entanglement would remain at temperatures up to 732 K, significantly above the highest entanglement temperature reported to date. The large gap between the ground state and the first-excited state (282 K) suggests that the spin system may be somewhat immune to decohering mechanisms. Our measurements strongly suggest that molecular magnets are promising candidate platforms for quantum information processing

Brachial Artery Constriction during Brachial Artery Reactivity Testing Predicts Major Adverse Clinical Outcomes in Women with Suspected Myocardial Ischemia: Results from the NHLBI-Sponsored Women's Ischemia Syndrome Evaluation (WISE) Study

Background:Limited brachial artery (BA) flow-mediated dilation during brachial artery reactivity testing (BART) has been linked to increased cardiovascular risk. We report on the phenomenon of BA constriction (BAC) following hyperemia.Objectives:To determine whether BAC predicts adverse CV outcomes and/or mortality in the women's ischemic Syndrome Evaluation Study (WISE). Further, as a secondary objective we sought to determine the risk factors associated with BAC.Methods:We performed BART on 377 women with chest pain referred for coronary angiography and followed for a median of 9.5 years. Forearm ischemia was induced with 4 minutes occlusion by a cuff placed distal to the BA and inflated to 40mm Hg > systolic pressure. BAC was defined as >4.8% artery constriction following release of the cuff. The main outcome was major adverse events (MACE) including all-cause mortality, non-fatal MI, non-fatal stroke, or hospitalization for heart failure.Results:BA diameter change ranged from -20.6% to +44.9%, and 41 (11%) women experienced BAC. Obstructive CAD and traditional CAD risk factors were not predictive of BAC. Overall, 39% of women with BAC experienced MACE vs. 22% without BAC (p=0.004). In multivariate Cox proportional hazards regression, BAC was a significant independent predictor of MACE (p=0.018) when adjusting for obstructive CAD and traditional risk factors.Conclusions:BAC predicts almost double the risk for major adverse events compared to patients without BAC. This risk was not accounted for by CAD or traditional risk factors. The novel risk marker of BAC requires further investigation in women. © 2013 Sedlak et al

Racionalização da aplicação de fertilizante nitrogenado na produção de arroz irrigado.

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Padronização do extrato de Ruta graveolens L. e avaliação da sua atividade em Magnaporthe oryzae.

O objetivo deste estudo foi padronizar o extrato vegetal líquido de R. graveolens L. e avaliar seu potencial para o controle da brusone em arroz.Apresentação oral - Pós-graduação

Potencial de utilização de extrato padronizado de Ruta graveolens como agente inibidor de Magnaporthe oryzae.

O objetivo foi avaliar o potencial do extrato vegetal líquido padronizado de Ruta graveolens no controle da brusone

Adubação nitrogenada para o milho em sucessão a culturas de cobertura de solo no sistema plantio direto.

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Uma NATO obsoleta ou renovada para as próximas décadas?

A NATO atingiu a idade da reforma obrigatória. Sete décadas são muitos anos na vida de uma pessoa, mas também são muitos anos para uma aliança militar. Não há exemplos na história de alianças multilaterais, aquelas que envolvem um grande número de países, que tenham durado tanto tempo. Será o colapso da NATO, por isso, inevitável? Se a NATO estiver realmente em risco, para Portugal as consequências seriam grandes e muito perturbadoras para os termos da sua inserção internacional e um dos pilares da sua defesa desde o final da Segunda Guerra Mundial. Defendemos neste texto que o fim da NATO não é inevitável (ou desejável), e avançamos áreas concretas em que pode melhorar a sua coesão e eficácia.info:eu-repo/semantics/publishedVersio