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Fuel cells are promising for future energy systems, since they are energy efficient and, when hydrogen is used as fuel, there are no emissions of greenhouse gases. Fuel cells have during recent years various improvements, however the technology is still in the early phases of development. This can be noted by the lack of a dominant design both for singe fuel cells, stacks and for entire fuel cell
BACKGROUND: It is widely believed that cancer can be prevented by high intake of fruits and vegetables. However, inconsistent results from many studies have not been able to conclusively establish an inverse association between fruit and vegetable intake and overall cancer risk. METHODS: We conducted a prospective analysis of the European Prospective Investigation into Cancer and Nutrition (EPIC)
Solid waste became one of the major environmental problems in Jordan, which has been aggravated over the past 15 years by the sharp increase in the volume of waste generated as well as qualitative changes in its composition. The challenges face solid waste management (SWM) in Jordan are numerous. Financial constraints, shortage of proper equipment and limited availability of trained and skilled ma
Background: Computed tomography (CT) of the brain is performed with high local doses due to high demands on low contrast resolution. Advanced algorithms for noise reduction might be able to preserve critical image information when reducing radiation dose.PurposeTo evaluate the effect of advanced noise filtering on image quality in brain CT acquired with reduced radiation dose. Material and Method
The measurement of ensemble variability in time-aligned event signals is studied in relation to sampling rate requirements. The theoretical analysis is based on statistical modelling of time misalignment in which the time resolution is limited by the length of the sampling interval. For different signal-to-noise ratios (SNRs), the sampling rate is derived which limits the misalignment effect to le
Under international law, a government of a state is entitled to the sovereign right to invite another state to intervene militarily on its territory. This type of consensual use of military force is an exception to the rules on prohibition of use of force among states, and unlawfulness is precluded through such governmental consent. The extent to which a government is entitled to invite has been d
Infant mortality is a powerful indicator to measure the health and social status of a country. The purpose of this study is to identify the important factors that in uence the infant mortality of Bangladesh. Moreover, this study suggests the government and the policy makers to improve the health and social sectors for reducing the country's infant mortality signicantly. To investigate the impo
Previous research has shown that people that are begging are negative viewed in the society. The aim of this study was to investigate and analyse how social workers, whom shall work according to the ethical framework, construct the people that are begging. The study has used a qualitative method where a semi-structured interview format has been used to collect the material. The respondents in the
Denna studie handlar om det miljöarbete som utförts i Varbergs kommun i relation till de nationella miljömålen. Den består av information samlad från intervjuer av fem personer som jobbar i eller med Varbergs kommun. Alla har relevanta positioner för att uttala sig om olika delar av Varbergs kommun miljöarbete. Studien undersöker hur Varberg ligger till i sitt arbete med de nationella miljömålen o
Overheating in buildings is a growing public health hazard becoming more prevalent with climate change. The research aimed to analyse how interactions between jurisdictional scales, urban stakeholders and policies promoting synergies affect adaptation processes in cities using overheating policies in London as an example. Understanding how these interactions affect policy implementation can ensure
This diploma thesis describes the experimental sessions carried out step by step towards the final aim of implementing the electrical characterization and luminescence detection on individual upright-standing nanowires in LED or solar cell nanowire arrays using a conductive Atomic Force Microscope (C-AFM) instrument. The whole lab work covers various characterization procedures of single nanowires
Undersökning och hantering av arsenikförorenade brunnar i Nicaragua Arsenik förorenar dricksvatten i Nicaragua och framkallar cancer. Lösningen är enkel: sand, tegelstenar och järnspikar. Varje år dör hundratusentals människor till följd av arsenikförorenat dricksvatten. Världshälsoorganisationen WHO listar arsenik på topp-tio-listan över de kemikalier i världen som hotar människors hälsa mest. The awareness of problems concerning arsenic contaminated drinking water sources has during recent years increased. WHO (World Health Organization) decided in 1993 to lower the recommended limit of arsenic in drinking water from 50 μg/l to 10 μg/l, mainly due to observations of its carcinogenicity. New places where the WHO limit for arsenic is exceeded are constantly discovered all over the world.
Undersökning och hantering av arsenikförorenade brunnar i Nicaragua Arsenik förorenar dricksvatten i Nicaragua och framkallar cancer. Lösningen är enkel: sand, tegelstenar och järnspikar. Varje år dör hundratusentals människor till följd av arsenikförorenat dricksvatten. Världshälsoorganisationen WHO listar arsenik på topp-tio-listan över de kemikalier i världen som hotar människors hälsa mest. The awareness of problems concerning arsenic contaminated drinking water sources has during recent years increased. WHO (World Health Organization) decided in 1993 to lower the recommended limit of arsenic in drinking water from 50 μg/l to 10 μg/l, mainly due to observations of its carcinogenicity. New places where the WHO limit for arsenic is exceeded are constantly discovered all over the world.
The aim of this study was to examine the views of middle managers in public elderly care regarding their role in their organizations. The study used semi-structured interviews and five middle managers from the same municipality were interviewed. The interviews showed trends in how the managers felt about the area they had to operate within and the slack they had to take personal decisions pointing
Förekomsten av tekniska standarder är fundamental för den tekniska utvecklingen och medför flera konkurrensfördelar. Standardisering kan emellertid riskera att vara konkurrenshämmande i samband med patentinnehavares användning av de rättsmedel som står till deras förfogande. Så är fallet när patenterad teknik implementeras i standarder och får status som standardessentiella patent. I utbyte mot deThe presence of technical standards is fundamental to the technical development and entails several competitive advantages. Standardization may, however, risk being anticompetitive in relation to patent holders’ use of legal remedies available to them. This is the case when patented technology is implemented in standards and is given the status as standard essential patent. In exchange for the pos
Vid utformandet av en konstitution ställs alltid frågan om vilket förhållande som bör råda mellan politik och juridik. Det är upp till varje rättssystem att reglera vilket inflytande domstolen ska ha på utformningen av lagstiftningen. När det kommer till lagstiftning kan förhållandet mellan judiciell aktivism från domstolens sida och demokrati beskrivas som en dikotomi där två vitt skilda metoder When drafting a Constitution, the relationship between politics and law must always be determined. It is up to each legal system to regulate what influence the court should have on the formulation of legislation. When it comes to legislation, the relationship between judicial activism and democracy, can be described as a dichotomy in which two widely different methods stand for different ideals. T
Canada has a long history of colonialism that ended in 1867. Before and after this the Indigenous peoples have been the target of several assimilation strategies, the most famous being the Indian Residential Schools system. To deal with its legacy, the Truth and Reconciliation Commission of Canada was set up. Critique has been directed towards the commission for failing to deal with unequal power
This study explores how social workers in the field of gerontological social work are influenced by organizational policies and regulations regarding their work with elderly who are subjected to domestic violence. The aim was to get a deeper understanding of how the social workers are influenced by the policies and regulations regarding their work with elderly who are subjected to domestic violenc
Social work has been greatly affected by the corona pandemic. This can be seen in the area of domestic abuse, where social workers have had to adapt to an increase in domestic violence and victims who are now forced to isolate. This can be attributed to the restrictions the governments around the world have enforced on the populations to fight the pandemic. Since social workers are fundamental whe
Syftet med studien var att utifrån en kvalitativ ansats undersöka högstadielärares motivation i deras dagliga arbete. I undersökningen har lärarna fått reflektera och berätta om sin självupplevda motivation, hur de upplever sina arbetsuppgifter och hur deras yrke påverkar dem personligen. Undersökningen har gett en djup bild av lärarnas egna upplevelser av sin arbetssituation. Genom semistrukturerThe purpose of this study was to examine motivation of high school teachers in their daily work. The teachers in the study have been given an opportunity to reflect and describe their work motivation, how they experience their work and how their profession affects them personally. The survey has given a deep picture of the teachers' own experiences of their work situation. Through semi-structu
