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Conical etched ion tracks in SiO2 characterised by small angle X-ray scattering

We present a systematic study of the evolution of chemically etched ion tracks formed in thermally grown a-SiO2 after irradiation with 1.1 GeV and 185 MeV Au ions. The irradiated material was subsequently etched with 2.5% hydrofluoric acid (HF) for different times yielding hollow conical shaped structures of various sizes. The characterisation of these structures was carried out by synchrotron-bas

Daily occupations among asylum seekers- Experience, performance and perception

Asylum seekers often find themselves in a situation where the structure and content of daily occupations have been disrupted and they might have limited access to paid work and education. Studies have shown that asylum seekers experience occupational depri- vation and a change in daily occupations which might even influence their identity. Such deprivation can eventually lead to dissatisfaction wi

Electric Cars for Balancing Variable Power on Gotland

Andelen förnybar kraft växer i produktionsmixen, med löften om att ersätta traditionell fossilintensiv kraftproduktion. I kombination med en trend mot elektrifiering av transporter uppstår nya möjligheter som användning av elfordon för att hantera variabiliteten i förnybar kraftproduktion. Detta examensarbete utforskar potentialen i att använda sådana balanserande tekniker, ofta refererade till soThe share of renewable power grows in the generation mix, wielding promises of substituting traditional CO2-intensive power production. In combination with the trend towards electrification of transport, opportunities are emerging to use electric vehicles for balancing the variability of the renewable power sources. This master thesis explores the potential for such balancing techniques, often ref

Preliminary results from a study of luminescent materials—For application in the beam imaging system at the ESS

As part of the development of the beam imaging system at the European Spallation Source, luminescent screens have been fabricated by the flame spraying of scintillating materials onto stainless steel backings. A total of seven screens were produced, three of chromia alumina (Al2O3:Cr), two of YAG (Y3Al5O12:Ce) and two of a 50/50 mix of these. The properties of these screens under proton irradiatio

Förekommer det skillnader mellan juristers och gemene mans moraliska ståndpunkter?

Syftet med studien var att undersöka om juristers moraliska uppfattning skiljer sig från gemene mans moraliska uppfattning. Den teoretiska bakgrunden om moral utgick från Haidts “Moral Foundations theory”, i enlighet med denna teori utgick studien från att det finns fem olika moraliska principer som utgör den moraliska kompassen. Centralt för studiens teoretiska bakgrund om beslutsfattande och inlThe purpose of the study was to explore whether or not there are any differences between attorneys and the average citizen's moral notions. The theoretical background mainly focused on Haidt’s Moral foundations theory, in accordance with this theory the study adhered to the five moral foundations that constitute the moral compass. A main part of the theoretical background was also the theory o

Seasonal variation in biogenic volatile organic compound (BVOC) emissions from Norway spruce in a Swedish boreal forest

Terpene emissions from the top-canopy layer (at 20 m) of one 118-year-old Norway spruce tree were measured between June and September 2013 using a branch chamber. Total terpene emissions varied from 0.05 to 332.5 μg gdw -1 h-1 with a peak in August. Monoterpenes dominated throughout the summer and on average accounted for 65% of the total terpene mass, followed by sesquiterpenes (29%) and isoprene

New onshore wind turbine foundation system for poor soil

In this study, an innovative idea of using a plane circular raft surrounded by a water tank is tested numerically using finite element simulations and compared with a conventional piled foundation concerning the geotechnical behavior. Cost comparisons are done for two foundation solutions. An observed soil profile found in Port-Said region in Egypt is used. The soil profile is implemented in the F

Effects of Negative Pressure Wound Therapy on Perivascular Groin Infections after Vascular Surgery. Wound Healing, Cost-Effectiveness and Patient-Reported Outcome.

Abstract Background: Surgical site infection (SSI) in the groin after vascular surgery is common and deep perivascular infection leads to long periods of hospitalization, sometimes to amputation and/or death. Negative pressure wound therapy (NPWT) is increasingly used for treating wounds such as deep perivascular groin infections after vascular surgery, but there is no scientific evidence supporti

Tight Size-Degree Bounds for Sums-of-Squares Proofs

We exhibit families of 4-CNF formulas over n variables that have sums-of-squares (SOS) proofs of unsatisfiability of degree (a.k.a. rank) d but require SOS proofs of size nΩ ( d ) for values of d = d(n) from constant all the way up to nδ for some universal constant δ. This shows that the nO ( d ) running time obtained by using the Lasserre semidefinite programming relaxations to find degree-d SOS

Transport, destruction, and growth of pebbles in the gas envelope of a protoplanet

We analyze the size evolution of pebbles accreted into the gaseous envelope of a protoplanet growing in a protoplanetary disk, taking into account collisions driven by the relative sedimentation speed as well as the convective gas motion. Using a simple estimate of the convective gas speed based on the pebble accretion luminosity, we find that the speed of the convective gas is higher than the sed

Antibodies to a Mr-64000 islet cell protein in Swedish children with newly diagnosed Type 1 (insulin-dependent) diabetes

Sera from 40 Swedish children diagnosed as having Type 1 (insulin-dependent) diabetes mellitus during a one year period along with 40 age and geographically matched control subjects were tested for antibodies to a Mr-64000 islet protein by immunoprecipitation of 35S-methionine-labelled rat islet amphiphilic proteins. Of the 40 diabetic patients, 29 (73%) were found to be positive whereas all 40 co

Quality standards in respiratory real-life effectiveness research : The REal Life EVidence AssessmeNt Tool (RELEVANT): Report from the Respiratory Effectiveness Group - European Academy of Allergy and Clinical Immunology Task Force

Introduction: A Task Force was commissioned jointly by the European Academy of Allergy and Clinical Immunology (EAACI) and the Respiratory Effectiveness Group (REG) to develop a quality assessment tool for real-life observational research to identify high-quality real-life asthma studies that could be considered within future guideline development. Methods: The resulting REal Life EVidence Assessm

A Real-World Study of an Audio-Tactile Tourist Guide

This paper reports on the in-context evaluation of an audio-tactile interactive tourist guide - one test was done in a medieval city center, and the other was done at an archaeological site. The activity theory framework was used as a perspective to guide design, field-study and analysis. The evaluation shows that the guide allows users to experience an augmented reality, while keeping the environ

Tailored reduced kinetic mechanisms for atmospheric chemistry modeling

Reduced chemical kinetic mechanisms are essential for atmospheric chemistry modeling where the use of explicit kinetic schemes is too computationally demanding. By tailoring mechanisms to specific cases, the size of the mechanism can be kept small, without significant loss of accuracy in predictions of selected species’ concentrations. In the present work, we present small kinetic mechanisms tailo

The potential for active commuting by bicycle and its possible effects on public health

IntroductionThe World Health Organization (WHO) has concluded that physical inactivity and overweight/obesity are the world's fourth and fifth leading risk factors for non-communicable diseases, respectively. This article investigates the potential for active commuting by bicycle in Scania county, southern Sweden, and its possible impact on public health. Physical inactivity is a growing problem o

Consensus on core phenomena and statements describing Basic Body Awareness Therapy within the movement awareness domain in physiotherapy

Physiotherapists are facing complex health challenges in the treatment of persons suffering from long-lasting musculoskeletal disorders and mental health problems. Basic Body Awareness Therapy (BBAT) is a physiotherapy approach within the movement awareness domain developed to bridge physical, mental, and relational health challenges. The purpose of this study was to reach a consensus on core phen

Heterogeneity in α-synuclein subtypes and their expression in cortical brain tissue lysates from Lewy body diseases and Alzheimer's disease

Aims: Lewy body diseases are neuropathologically characterized by the abnormal accumulation of α-synuclein (α-syn) protein within vulnerable neurons. Although studies have evaluated α-syn in post mortem brain tissue, previous findings have been limited by typically employing pan-α-syn antibodies that may not recognize disease-relevant forms of protein. We investigated the presence of α-syn species

Novel causative variants in patients with achromatopsia

Purpose: To report five novel genetic variants in seven unrelated consanguineous families with achromatopsia (ACHM). Methods: Patients were examined with multimodal retinal imaging and full-field electroretinography (ffERG). Genetic testing was conducted using next-generation sequencing (NGS). Results: Three novel homozygous variants were detected in CNGA3: a missense c.967G > C (p.Ala323Pro) vari

From carbohydrates to fat : Trends in food intake among Swedish nutrition students from 2002 to 2017

Earlier studies have implied a change in dietary habits of the Swedish population towards a low carbohydrate, high fat diet. Questions have been raised about the development in recent years and potential health effects. We have investigated the dietary intake of Swedish female students enrolled in a university nutrition course between 2002 and 2017. The students carried out self-reporting of all f