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Electron mean free path (MFP) was determined by the angular resolved photoemission in 10-40 eV energy range for GaAs(100)-c(4 x 4) by the overlayer method. The investigation was based on the attenuation of the normal photoemission intensity of the Al 2p line from the molecular-beam-epitaxy grown GaAlAs layer buried four monolayers of GaAs below the surface. The energy dependence of the MFP shows a
We recorded and reviewed densities and basal areas of large living and dead trees in old-growth forest in Europe. Recorded densities were similar to those reported from old-growth forests in eastern North America, but lower than in northwestem North America. Based on our results we suggest that, 10-20 living trees per ha with dbh > 70 cm may have been typical values for many central European and s
In a 24-year sub-sample taken from a 42-year period of study (1950-1991), hip fracture incidence was analysed from a defined catchment area within one hospital. During this time, 8,256 hip fractures occurred in a generated risk population of 1,915,571 person-years. Crude incidence increased three-fold in women and five-fold in men. In men, the age-specific increase was twice as large as the age dr
The purpose of this study is to identify and structure challenges of measuring performance of the Sales and Operations Planning (S&OP) process. A multiple case study methodology was applied. Qualitative data was collected via 22 structured interviews with managers from six case companies in various industries. A process oriented framework was proposed by structuring the challenges based on two
Synchrotron radiation X-ray tomographic microscopy (SRXTM) was used to virtually dissect and peel the shields off of the microscopic, bivalved phosphatocopine crustaceans in the Cambrian ‘Orsten’ type of preservation of Sweden. Doing so opened up for an array of concealed internal structures to be observed in a fully enclosed specimen of Hesslandona ventrospinata and a semi-enclosed specimen of He
Continual environmental degradation and an unfair distribution of environmental burdens and benefits are two great challenges for humanity. Economic growth is often taken for granted when planning for the future. However, it is often argued that maintaining economic growth conflicts with keeping human activities adjusted to ecological boundaries and finite resources, at least for the more-develope
A fully integrated remote antenna unit (RAU) intended for fiber-fed distributed multiple-input multiple-output systems is presented. The circuit is designed for narrowband (60 MHz) time-division duplex systems, where an IF over fiber approach is chosen to facilitate the use of low-cost optical components and integrated photodetectors. A novel antenna switch control scheme is introduced, which enab
AimTo identify the factors responsible for the low health-related quality of life associated with foot ulcers and the relative importance of these factors. MethodsA total of 1232 patients with a new foot ulcer, who presented at one of the 14 centres in 10 European countries participating in the Eurodiale study, were included in this cross-sectional study. Patient and ulcer characteristics were obt
Monte Carlo simulations and coarse-grained modelling have been used to analyze Histatin 5, which is an unstructured short cationic salivary peptide known to have anti-candidical properties. The calculated scattering functions have been compared with intensity curves and the distance distribution function P(r) obtained from SAXS, at both high and low salt concentrations. The aim is to achieve a mol
Enol MEM ethers 4 and 15 and the corresponding enol acetates were hydrogenated over Pd/C with very high (>99%) diastereoselectivity to saturated -lactones. A stereochemical generalization can be formulated thus: trans-5,6-disubstituted 1-oxa-3-cyclohexen-2-ones (e.g. 14 and 15) are hydrogenated over Pd with high selectivity from the side trans to the C(6)-substituent. A mechanistic rationalization
A discrepancy in the ABO blood groups between a newborn child and her parents was identified. Serological and DNA investigative techniques were performed. A weak variant of B (B-w) was detected on the erythrocytes of the child, her grandmother and great-uncle. Adsorption-elution studies showed that their erythrocytes adsorb and yield anti-B on elution. The B-w antigenic strength of the A(1)B(w) ce
The purpose of our paper was to examine how these unaccompanied teenagers were integrated and countered by the Swedish authorities based on the teenager´s perspective. To carry out our study, we have focused on male teenagers who were previously resident in a temporary home for unaccompanied refugee teens. We conducted a qualitative interview with four teenagers and we asked questions about their
Popular Science Summary Konsten att kunna ta bort ett syre Alla celler har DNA, som måste repareras och kopieras för att livet ska fortgå. För att kunna göra detta måste det finnas byggstenar. En av alla processer som ser till att alla delar finns i rätt mängd innefattar bara ett protein. Ett protein som får instruktioner från många håll för att gå igenom en komplicerad process som tillverkar dessThe protein ribonucleotide reductase catalyses the de novo synthesis of deoxyribonucleotides (dNTPs) from ribonucleotides (NTPs), using radical chemistry. It is under strict allosteric regulation, partly from the dNTPs it synthesises that regulate what substrate should be synthesised, but also from dATP/ATP, which regulates overall activity. It is a protein that is found in almost every living org
This study sought to explore the socio-economic impacts of stigmatization on young women (16-24) infected with HIV in Accra, Ghana (Ridge hospital). Qualitative study was performed with five young women 16-24 infected with HIV attending HIV clinic at Ridge hospital. Interviews were conducted to explore respondents’ perception of stigmatization and discrimination based on their HIV status and gende
I en värld där många fler människor ska leva på allt färre resurser har matavfall hamnat i ett stort fokus. Svinnet innebär att hela produktionen har gått förlorad. Det är ett ekonomiskt bortfall för företag men även för samhället i stort. Dessutom orsakar hela livsmedelskedjan miljöpåverkan, inte minst från ett klimatperspektiv. De olika aktörerna försöker självklart minska sitt eget svinn men efIn a world where more people must survive on fewer resources, food waste has become greatly focused. Waste means that the entire production has been unnecessary. It is an economic loss for a company but also for society at large. Moreover, the food chain causes an environmental impact, not least from a climate perspective. The various actors certainly try to reduce their own losses but because con
The way out - a qualitative interview study about the exiting processes out of prostitution The aim of this study was to examine the process of exiting prostitution. Our questions focused on what is needed for someone to exit prostitution and what support and treatment is desirable. The chosen method was qualitative semi-structured interviews with in total seven people of whom three had personal
Bygg- och fastighetssektorn är en av de sektorer som släpper ut mest växthusgaser. Under ett enskilt år så svarar byggbranschen för utsläpp av växthusgaser på 21 miljoner ton koldioxidekvivalenter, vilket motsvarar 21 procent av Sveriges totala utsläpp. Av det totala utsläppet på 21 miljoner koldioxidekvivalenter så kommer 12,8 miljoner ton från inhemska utsläpp av växthusgaser och 8,2 miljoner toThe building and real estate sector is one of the sectors that emits the most greenhouse gases. For a single year, the construction industry is responsible for greenhouse gas emissions of 21 million tons of carbon dioxide equivalent, which corresponds to 21 per cent of Sweden's total emissions. Of the total emissions of 21 million carbon dioxide equivalents, 12.8 million tons come from domesti
In this thesis, we use Bloomberg data to compute a metric developed by Bhattacharya & Galpin (2011) to examine the popularity of value-weighting on the Swedish stock exchange. After analyzing our data, we reach three conclusions in documenting that: (1) Value- weighting is becoming more popular over time. (2) Value-weighting is more popular on the OMXS30 than on the market as a whole (the OMXS
Prisons encourage criminal activity and have negative impacts on sentenced individuals according to studies. Meanwhile the three largest political parties in Sweden work towards implementing tougher sentences. The three largest parties have in common their position on law enforcement which disputes what the research is saying and as a consequence, the objective of achieving less criminal activity
Due to climate change, emissions of greenhouse gases must be reduced rapidly and natural resources must be used more sustainably. The public sector should lead the way to a more sustainable society and healthcare has been identified as an area that contributes to large emissions. The purpose of this study was to identify measures that can be taken to reduce the climate impact of the retirement ho
