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Popular Abstract in Swedish Joniserande strålning- en introduktion (Ionizing radiation- Introduction in Swedish) 13.1 Storheter och enheter Effekten av strålningen från ett radioaktivt ämne eller röntgenapparat kallas stråldosen, eller egentligen den effektiva dosen , och anges i enheten sievert (Sv). Aktiviteten av ett radioaktivt ämne anges i enheten becquerel (Bq) och anger antal sönderfallanIn this thesis quantitative analyses of radionuclide concentrations in bioenergy fuels such as peat, wood chips and straw are presented. For comparison a brief description is included of radionuclide concentrations and radiation doses from other sources of power and also from some industrial applications. Radiation is a natural phenomenon and radionuclides occur naturally. The first man-made spre

Continued CMOS scaling is expected to make future micro-processors susceptible to transient faults, hard faults, manufacturing defects and process variations causing fault tolerance to become important even for general purpose processors targeted at the commodity market. Tomitigate the effect of decreased reliability, a number of fault-tolerant architectures have been proposed that exploit the nat

Fine quality coating materials for a variety of surfaces using environmentally friendly substrates are continuously in demand. A large proportion of acrylate derivatives, which are toxic and hazardous, were found in most of the coating formulations. Many efforts have been done to replace acrylate derivatives with other materials derived from renewable resources. In this work, several formulations

The backbone of modern computing systems rely on two key things: logic and memory, and while computing power hasseen tremendous advancements through scaling of the fundamental building block – the transistor, memory access hasn’tevolved as rapidly, leading to significant memory-bound systems. Additionally, the rapid evolution of machine learningand deep neural network (DNN) applications, has expos

Automotive brake rotors are commonly made from gray cast iron (GCI). During usage, brake rotors are gradually worn off and periodically replaced. Currently, replaced brake rotors are mostly remelted to produce brand-new cast iron products, resulting in a relatively high energy consumption and carbon footprint into the environment. In addition, automotive brakes emit airborne particles. Some of the

A hot-carrier solar cell aims to generate power from energetic, photoexcited, charge carriers, so called hot carriers, in order to reach higher conversion efficiencies than current solar cell technology.Creating a hot-carrier solar cell has proven challenging for two main reasons: hot carriers lose their energy very quickly, and they need to be extracted over distances of a few hundrednanometers v

A modern diesel engine is a reliable and efficient mean of producing power. A way to reduce harmful exhaust and greenhouse gas (GHG) emissions and secure the sources of energy is to develop technology for an efficient diesel engine operation independent of fossil fuels. Renewable diesel fuels are compatible with diesel engines without any major modifications. Rapeseed oil methyl esters (RME) and o

In Germany, country of diesel bans and postponed climate goals, the region of Baden-Württemberg, as the heart of the country’s car industry, faces especial challenges. Due to its highly car-oriented transport system and topographical structure, the region is notorious for some of the country’s worst air quality levels. In response to these issues, the regional government formulated a cycling strat

The incorporation of electron-withdrawing B←N coordination units has emerged as an effective strategy to enhance n-type charge transport in conjugated polymers. However, the orientation of these units, whether perpendicular or parallel to the polymer backbone, profoundly influences effective conjugation, molecular packing, and ultimately charge transport properties. To address this structure-prope

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https://www.vetenskaphalsa.se/sallsynt-men-inte-ovanlig/ - 2026-06-28

rökning – Vetenskap och Hälsa Hoppa till innehåll Vetenskap och hälsa Populärvetenskapligt om medicinsk forskning i Skåne Teman Podd Tidskrift Prenumerera Om webbplatsen Kontakt Sök Sök Etikett: rökning Att röka eller gnissla tänder ett hot mot tandproteser 2023-04-05 Vad är det som avgör om en krona eller brygga går sönder hos en patient? Det är frågan i en ny avhandling från Malmö universitet, s

https://www.vetenskaphalsa.se/tag/rokning/ - 2026-06-28

The thesis addresses the question of how to mitigate climate change by studying the emergence of solar photovoltaic energy as an example of a low carbon industry. By outlining the social conditions behind the growth of that industry, I aim to further the understanding of low carbon industrial development in general. The dissertation is a historical comparative study of solar photovoltaic developme

The present day global climate change is fueled by our use of fossil fuels and land use change. The already observed warming and other distinct changes in the climate system stem from these human influences and are ongoing. Due to climate system inertia, a part of the climate system's response to this historical forcing remains to manifest itself, which it will do over time. At the same time, soci

A multiscale modeling framework for polycrystal materials is established, using a combination of an extended vertex model and a crystal plasticity formulation. The 2D vertex model is cast to incorporate a range of mesoscale processes such as grain structure evolution and the influence of second-phase particles. It is combined with a finite strain crystal plasticity formulation whereby also texture

Background and purpose — At our institution, new-borns with Barlow or Ortolani positive hips have been treated for 12 weeks with the von Rosen abduction splint until 2012 when the treatment length was halved. We inves-tigate whether acetabular development at 12 months of age and complications differ between hips treated with the von Rosen splint for 6 compared with 12 weeks. Patients and methods —