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Din sökning på "global studies" gav 22561 sökträffar

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National greenhouse gas inventories (GHGIs) are submitted annually to the United Nations Framework Convention on Climate Change (UNFCCC). They are estimated in compliance with Intergovernmental Panel on Climate Change (IPCC) methodological guidance using activity data, emission factors and facility-level measurements. For some sources, the outputs from these calculations are very uncertain. Invers

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Great hopes have been placed in the sharing economy to provide a new business model based on peer-to-peer (P2P) exchanges of underutilized assets. As a model, the sharing economy has been expected to make significant contributions to sustainability, providing new opportunities for entrepreneurship, more sustainable use of resources, and consumer co-operation in tight economic networks. However, in

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Photosynthesis by terrestrial plants is the main driver of the global carbon cycle, and the presence of actively photosynthesizing vegetation can now be observed from space. However, challenges remain when translating remotely sensed data into carbon fluxes. One reason is that the Fraction of Absorbed Photosynthetically Active Radiation (FAPAR), which documents the presence of photosynthetically a

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We hypothesize that cerebral ischemia leads to enhanced expression of endothelin (ET), 5-hydroxytryptamine (5-HT), and angiotensin II (ANG II) receptors in the vascular smooth muscle cells. Our aim is to correlate the upregulation of cerebrovascular receptors and the underlying molecular mechanisms with the reduction in regional and global cerebral blood flow (CBF) after subarachnoid hemorrhage (S

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Popular Abstract in Swedish Luftburna partiklar från transportsektorn och energiproduktion kan ge upphov till negativa hälsoeffekter hos människor och påverka det globala klimatet. Partiklarnas kemiska och fysikaliska egenskaper förändras när de åldras i atmosfären och ny partikelmassa kan bildas från ämnen som tidigare var i gasfas. Det övergripande syftet med den här avhandlingen är att öka kunsEmissions from anthropogenic combustion sources, such as light duty vehicles and small scale biomass combustion, contribute significantly to ambient aerosol particle concentrations both on local and global scales. These emissions have controlling impacts on public health and global climate. The overall aim of this thesis was to investigate how atmospheric transformation and combustion conditions a

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We study transportation networks controlled by dynamical feedback tolls. We consider a multiscale transportation network model whereby the dynamics of the traffic flows are intertwined with those of the drivers' route choices. The latter are influenced by the congestion status on the whole network as well as dynamic tolls set by the system operator. Our main result shows that a broad class of dece

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The chemical industry stands as a critical player in the global effort to combat climate change and achieve environmental sustainability. As the world is getting closer to crucial temperature thresholds, the need for decarbonisation becomes increasingly urgent. Thus, this paper focuses on BASF as the biggest chemical company in Germany but also globally and the German chemical industry in general,

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This thesis investigates how the problem of plastic pollution is represented within the environmental policies of the European Union and the United States. By adopting and utilizing Bacchi’s ‘What's The Problem Represented To Be’ approach, the research explores the specific aspects of plastic pollution that are problematized by these policies. The study applies issue framing and environmental

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This paper examines how semi-peripheral states navigate their position between core and periphery through the lens of World-Systems Analysis (WSA) and use of soft and hard power strategies. WSA conceptualises the global economy as divided into core countries and peripheral countries. The former controls capital and high-value production, and the latter supplies raw materials and low-wage labour. S

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Ischemic heart disease is the leading cause of mortality and morbidity in the world. Studying the left ventricular myocardial perfusion using cardiovascular magnetic resonance (CMR) imaging is a validated method to assess and diagnose the disease. Quantitative assessment of perfusion has advantages compared to qualitative evaluation, still, no regulatory approved software exist. In this project, a

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The work with climate change must be structured hierarchically, with global agreements at the top and local authorities and individuals at the bottom. Although, while climate adaptation is recognized at the global scale, there are challenges getting the adaptive actions implemented in practice at the local level. Knowledge about climate adaptation cannot be generally communicated, rather it must a

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Popular Abstract in Swedish De fyra studier som ingår i denna avhandling är gjorda för att undersöka eventuella oönskade effekter av läkemedel på näthinnan. Näthinnan är en del av det centrala nervsystemet och känslig för toxiska substanser. För att skydda näthinnan så finns två barriärer – en yttre och en inre blod–näthinne- barriär. Dessa barriärer består av strukturer som håller samman celler iThe adverse effects of drugs in the eye are not easily detected, and the underlying pathogenesis not fully understood. The effects of four different kinds of drugs have been investigated in the rabbit eye, using electroretinography, ocular examination and histochemical methods. Rifabutin is a broad spectrum antibiotic with known ocular adverse effects (corneal opacities, uveitis and vascular ret

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Entrepreneurship is an emerging research field that has received much scholarly attention in recent decades. Given the global scope of this attention, this article compares entrepreneurship research in China with that in the USA and Europe. Based on publications in Social Science Citation Index and Chinese Social Science Citation Index databases over the past 10 years, we use bibliometric method t

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The European Union aims at being an ethical actor on the global arena and the EU development-policy is directed towards achieving long-term socio-economic development, with a specific focus on Sub-Saharan Africa, where development is showing little progress, and food security and agricultural development is at the top of the agenda. The EU is both the biggest market and the biggest aid-donor for