998 resultados para wood trade


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A nossa dissertação tem como objetivo analisar os compromissos e as obrigações do procurador da Companhia de Jesus no Japão durante os anos em que Carlo Spinola foi escolhido para ocupar tal posição, a segunda em ordem de importância, conforme o jesuíta italiano Francesco Pasio. O ofício de procurador era uma das posições que levavam os missionários da Companhia a lidar diretamente com as autoridades japonesas em Nagasáqui, uma vez que cabia ao procurador receber, verificar e distribuir os bens pertencentes à missão e que eram carregados no navio português de Macau. Além disso, o procurador, juntamente com outros padres superiores, tinha também incumbidas tarefas políticas relativas ao capitão-mor e aos Portugueses no Japão. Spinola assumiu o cargo quando o bakufu começou a mudar a sua atitude em relação à Igreja de Roma, devido a várias causas que, em parte, envolviam também a Companhia de Jesus, com conseqüências negativas para a missão. Para fornecer uma compreensão profunda deste cargo, propomos uma comparação entre o procuradorado de Spinola e outros procuradores no Japão, tendo escolhido em particular o caso do Português João Rodrigues Tçuzu. Além disso, uma vez que o Japão era um caso particular dentro do Padroado Português, parece-nos pertinente efectuar outra comparação e apresentar também o caso - embora mais conciso - do procurador da província brasileira da Companhia de Jesus. Através deste estudo de casos, tentaremos definir o procurador, tanto do ponto de vista prático - ou seja, os seus deveres, os seus compromissos e os seus recursos – como de uma perspectiva moral e filosófica – olhando para a literatura canônica produzida desde os primeiros tempos da Igreja Cristã. Até agora, a históriografia sobre e de autoria jesuítica apenas aborda o cargo de procurador de forma marginal. O nosso trabalho vai preencher essa lacuna. Além disso, o estudo do papel do procurador permite-nos, inevitavelmente, uma melhor compreensão dos mecanismos de participação da Companhia de Jesus no comércio entre Macau e Nagasáqui, desde o seu início – selado por Alessandro Valignano – até ao seu fim – contemporâneo do término do procuradorado de Spínola.

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Double Degree. A Work Project presented as part of the requirements for the Award of a Masters in Management from Nova School of Business and Economics and Maastricht University.

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This Working Project studies five portfolios of currency carry trades formed with the G10 currencies. Performance varies among strategies and the most basic one presents the worst results. I also study the equity and Pure FX risk factors which can explain the portfolios’ returns. Equity factors do not explain these returns while the Pure FX do for some of the strategies. Downside risk measures indicate the importance of using regime indicators to avoid losses. I conclude that although using VAR and threshold regression models with a variety of regime indicators do not allow the perception of different regimes, with a defined exogenous threshold on real exchange rates, an indicator of liquidity and the volatilities of the spot exchange rates it is possible to increase the average returns and reduce drawdowns of the carry trades

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The present study analyzes Angola’s trading partners from 2005 to 2015 in order to understand the main drivers of Exports and Imports growth. Departing from a gravity model, foreign GDP growth and real exchange rate fluctuations were interpreted as demand and supply disturbances on Exports. While nominal and real exports both increase with demand expansions, they react differently to supply shocks. Imports are growing at the same rate as Angola’s economy while exchange rate fluctuations capture the wealth effect of Oil price in the economy.

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This paper addresses the growing difficulties automobile manufacturers face within their after sales business: an increasing number of trade obstacles set up by import countries discriminates against the foreign suppliers and impedes the international sales of genuine parts. The purpose of the study is to explore the emergence of trade restrictive product certification systems, which affect spare parts exports of automobile manufacturers. The methodology used includes review of the literature and an empirical study based on qualitative interviews with representatives of major stakeholders of the automotive after sales business. Relevant key drivers, which initiate the introduction of technical regulations in importing countries, are identified and analysed to evaluate their effect on the emerging trade policy. The analysis of the key drivers outlines that several interacting components, such as the global competitiveness of the country, macroeconomic and microeconomic factors, and certain country-specific variables induce trade restrictive product certification systems. The findings allow for an early detection of the emergence of product certification systems and provide a means to early recognise the risks and opportunities for the sales of automotive spare parts in the automakers’ target markets. This allows the manufacturers to react immediately and adapt in time to the upcoming changes.

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Hemicelluloses are potential raw material for several items produced in future wood-based biorefineries. One possible method for recovering hemicelluloses from wood extracts is ultrafiltration (UF). However, low filtration capacities and severe fouling restrict the use of tight UF membranes in the treatment of wood extracts. The lack of suitable commercial membranes creates a need for pretreatment which would decrease fouling and increase the filtration capacity. This thesis focuses on the evaluation of the possibility to improve the filtration capacity and decrease fouling with the pretreatment of wood extracts. Methods which remove harmful compounds and methods which degrade them are studied, as well as combinations of the methods. The tested pretreatments have an influence on both the concentration of different compounds and the molecular mass distribution of the compounds in the extract. This study revealed that in addition to which kind of compounds were removed, also the change in molecular size distribution affected the filtration capacity significantly. It was shown that the most harmful compounds for the filtration capacity of the hydrophobic 5 kDa membrane were the ones capable of permeating the membrane and fouling also the inner membrane structure. Naturally, the size of the most harmful compounds depends on the used UF membrane and is thus case-specific. However, in the choice of the pretreatment method, the focus should be on the removal of harmful compound sizes rather than merely on the total amount of removed foulants. The results proved that filtration capacity can be increased with both adsorptive and oxidative pretreatments even by hundreds of per cents. For instance, the use of XAD7 and XAD16 adsorbents increased the average flux in the UF of a birch extract from nearly zero to 107 kg/(m2h) and 175 kg/(m2h), respectively. In the treatment of a spruce extract, oxidation by pulsed corona discharge (PCD) increased the flux in UF from 46 kg/(m2h) to 158 kg/(m2h). Moreover, when a birch extract batch was treated with laccase enzyme, the flux in UF increased from 15 kg/(m2h) to 36 kg/(m2h). However, fouling was decreased only by adsorptive pretreatment while oxidative methods had a negligible or even negative impact on it. This demonstrates that filtration capacity and fouling are affected by different compounds and mechanisms. The results of this thesis show that filtration capacity can be improved and fouling decreased through appropriate pretreatment. However, the choice of the best possible pretreatment is case-specific and depends on the wood extract and the membrane used. Finding the best option requires information on the extract content and membrane characteristics as well as on the filtration performance of the membrane in the prevailing conditions and a multivariate approach. On the basis of this study, it can be roughly concluded that adsorptive pretreatment improves the filtration capacity and decreases fouling rather reliably, but it may lead to significant hemicellulose losses. Oxidation reduces the loss of valuable hemicelluloses and could improve the filtration capacity, but fouling challenges may remain. Combining oxidation with adsorptive pretreatment was not a solution for avoiding hemicellulose losses in the tested cases.

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Archivo Fotográfico

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Nothing today affects the lives of people in countries throughout the industrialized and developing world as much as international trade. Nowhere is this more true than in Canada. Canada's involvement in international trade has a long history dating back to 1854 when it was a British colony. As a major trading country, Canada has always adopted a proactive industrial policy which has been largely responsible for its relative economic prosperi ty. But, wi th businesses now free to invest and divest under the terms of the CUFTA and the NAFTA, the most fundamental concerns for Canadians, in a borderless world, are what powers will the Canadian government have to shape industrial policy, and to what extent can Canada continue as a viable nationstate if it can no longer control its national economy? These are important concerns because, in world without borders, the adjustment process becomes more volatile and more difficult to manage. The CUFTA and the NAFTA not only create the rules for conducting trade, but they also establish a set of new rules for the Canadian government that will diminish its power. As a member of a new North American trading bloc, Canada will find itself subject to a set of forces requiring analysis beyond participation in a conventional free trade area. Because many of the traditional levers of government will now be subject to external control imposed by these agreements, Canada will not be able to mount certain policies in the future that it has relied on in the past. This reality limits the pro-active role of the Canadian state to use policies and programmes for the country's immediate national development. What this thesis attempts is an examination of the evolution of Canadian industrial policy, in effect, the transi tion from Fordism to Neoconservatism, and an assessment of Canada's future as a nation-state as it tries to find security and improved access in a free trade arrangement. Unless Canada takes steps to neutralize the asymmetry of power between itself and the United States through adjustment programmes, it is the contention of this thesis that its economic future is anything but stable.

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Activity has been suggested as an important behaviour that is tightly linked with predator avoidance in tadpoles. In this thesis I examine predator-prey relationships using wood frog tadpoles {Rana sylvaticd) as prey and dragonfly larvae {AnaxJunius) and backswimmers {Notonecta undulatd) as predators. I explore the role of prey activity in predator attack rates, prey response to single and multiple predator introductions, and prey survivorship. The data suggest that Anax is the more successful predator, able to capture both active and inactive tadpoles. In contrast, Notonecta strike at inactive prey less frequently and are seldom successftil when they do. A mesocosm study revealed that the presence of any predator resulted in reduced activity level of tadpoles. Each predator species alone had similar effects on tadpole activity, as did the combined predator treatment. Tadpole survivorship, however, differed significantly among both predator treatments and prey populations. Tadpwles in the combined predator treatment had enhanced risk; survivorship was lower than that expected if the two predators had additive effects. Differences in survivorship among wood frog populations showed that tadpoles from a lake habitat had the lowest survivorship, those from a shallow pond habitat had an intermediate survivorship, and tadpoles from a marsh habitat had the highest survivorship. The frequency of interactions with predators in the native habitat may be driving the population differences observed. In conclusion, results from this study show that complex interactions exist between predators, prey, and the environment, with activity playing a key role in the survival of tadpoles.

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This thesis answers some important questions about how Fair Trade is experienced and perceived by some Northern sellers, consumers, activists, advocates, practitioners, and an importer. As it relates to sellers, I focus only on small scale independent businesses (i.e. I do not include large corporate businesses in my interview sample). Fair Trade works to establish a dignified livelihood for many producers in the South. Some of the most important actors in the Fair Trade movement are the people who buy, sell, and/or advocate for Fair Trade in the North. Fair Trade is largely a consumer movement which relies on the purchase of Fair Trade products. Without consumers purchasing Fair Trade products, retailers providing the products for sale, and activists raising awareness of Fair Trade, the movement, as it is presently constituted, would be non-existent. This qualitative research is based on 19 in-depth i.nterviews with nine interviewees involved with Fair Trade in Canada. I focus on benefits, challenges, and limitations of Fair Trade in the context of their involvement with it. I describe and analyze how people become involved with Fair Trade, what motivates them to do so, what they hope to achieve, and the benefits of being involved. I also describe and analyze how people understand and deal with any challenges and limitations associated with their involvement with Fair Trade. I also explore whether involvement with Fair Trade influences how people think about other products that they purchase and, if so, in what ways. I focus mainly on the commodity of coffee, but my discussion is not limited to this single commodity. Interviewees' experiences with and participation in Fair Trade vary in terms of their level of involvement and interest in the broader Fair Trade movement (as opposed to just participating in the market component). This research reveals that while Fair Trade is a small movement, sellers, consumers, and activists have had much success in the advancement of Fair Trade. While challenges have not deterred interviewees from continuing to participate in Fair Trade, analysis and explanation of such challenges provides the opportunity for Fair Trade practitioners to develop effective solutions in an effort to meet the needs of various Fair Trade actors.