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Anion exchange membrane fuel cells (AEMFCs) are considered as one of the most important next-generation energy conversion technologies. AEMFCs convert chemical energy into useful electrical energy and have great potential forachieving high conversion efficiencies. In addition, the faster oxygen reduction kinetics under alkaline conditions are advantageous for the use of non-noble metal catalysts (

Nuklearmedicinsk bildtagning med hjälp av radiofarmaka är ett viktigt verktyg för att studera biologiska processer och humansjukdomar. Bildtagning sker ofta med en detektor i kombination med en kollimator. En typ av kollimering är pinnhålskollimering, där ett pinnhål i ett opakt material placeras mellan en källa och en detektor. Pinnhålet fyller samma funktion som en optisk lins då emitterade fotoThe focus of this dissertation is the use of pinhole collimation in Nuclear Medicine. A pinhole is a single aperture in an opaque material that is placed between the detector and source of interest, and photons must pass through the hole to reach the detector. The choices of pinhole parameters, e.g. the pinhole material and size of the opening, are closely linked to the performance of the detector

In the course of 2000s, the region of Campania in southern Italy and its capital city Naples became global icons of waste mismanagement after the images of piles of rubbish occluding their urban areas hit the headlines. Conventional explanations, in Italy and elsewhere, pointed to administrative failure, cultural backwardness and mafia infiltration as the main causes of waste mishandling. In the s

Skogar täcker ca 31% av jordens landyta och lagrar stora mängder kol i biomassa och i marken. I klimatavtalet från Paris 2015 lyfts skogars roll som sänkor och reservoarer av kol fram och undertecknande länder uppmanas att implementera strategier för hållbart skogsbruk som ytterligare förstärker skogars roll som sänkor av växthusgaser. Ett aktivt skogsbruk påverkar klimat och miljö på många olika Forest ecosystems cover 31% of the terrestrial land area and store large amounts of carbon in biomass and in soils. The 2015 Paris Agreement recognizes the importance of sinks and reservoirs of greenhouse gases (GHGs) in forests and the importance of enhancing them through sustainable forest management policies. Managing forests for climate mitigation purposes is, however, complex since management

INTRODUCTION: Secondary functional hypothalamic amenorrhea (SFHA) is common among female athletes, especially in weight-sensitive sports. The aim of this study was to investigate the link between SFHA and neuromuscular performance in elite endurance athletes. METHODS: Sixteen eumenorrheic (EUM) and 14 SFHA athletes from national teams and competitive clubs participated. Methods included gynecologi

AIMS: Left ventricular hypertrophy, obesity, hypertension, and N-terminal B-type natriuretic peptide (Nt-proBNP) predict left ventricular diastolic dysfunction with preserved systolic function (DD-PSF). Self-rated health (SRH) is shown to be associated with chronic diseases, but the association of SRH with DD-PSF is unclear. In light of the clinical implications of DD-PSF, the following goals are

We investigate how the stereotype of the poor (vs. middle class) influences behavioral predictions. In Study 1 participants made predictions regarding another person’s economic behavior in scenarios pertaining to rate of time preferences (loss, gain of smaller and larger amount). We find that participants, across scenarios, expect individuals with low SES to show more short-sightedness, i.e., steeWe investigate how the stereotype of the poor (vs. middle class) influences behavioral predictions. In Study 1, participants made predictions regarding another person’s economic behavior in scenarios pertaining to rate of time preferences (loss, gain of smaller and larger amount). We find that participants, across scenarios, expect individuals with low SES to show more short-sightedness—i.e., stee

Galleri 5 på Kulturhuset Stadsteatern. "Mode i sju akter presenterar arbeten av studenter från ett antal tongivande stockholmsbaserade utbildningar med fokus på mode, hantverk och textil. Funderar kring ekonomi, stil och modets förgänglighet gör Modedoktorn." http://kulturhusetstadsteatern.se/KonstDesign/Evenemang/2016/Mode-i-sju-akter/