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This study was conducted to reveal how students at university level justify their solutions to tasks with various degrees of difficulty. The study is part of a larger study of students' concept formation of limits. The mathematical area is limits of functions. The study was carried out at a Swedish university at the first level of mathematics. The results are, however, applicable to other countrie
This article compares first-year university students' development of the concept of limits to mathematicians' historical development of the concept. The aim was to find out if students perceive the notion as mathematicians of the past did, as understandings of the concept evolved. The results imply that there are some similarities—for example, the struggle with rigor and attainability. Knowledge o
Two-dimensional spectral mapping is used to visualize how resonant Auger–Meitner spectra are influenced by the site of the initial core–electron excitation and the symmetry of the core-excited state in the trifluoroethyl acetate molecule (ESCA). We observe a significant enhancement of electron yield for excitation of the COO 1s → π* and CF3 1s → σ* resonances unlike excitation at resonances involv
I projektet har vi studerat Covid-19-pandemins påverkan på arbetsmiljön för hemsjukvårds- och hemtjänstpersonal i fyra skånska kommuner, samt identifierat en rad lärdomar avseende arbetsmiljö och krishantering under pandemin. En serie delstudier bestående av intervjuer, fokusgrupper och observationer genomfördes för att följa pandemihanteringen och pandemins påverkan på arbetsmiljön över tid. Pand
The massive renewal project of the Sorgenfri industrialestate in Malmö, Sweden, has in many ways followed a familiar story of gentrification.Artists, minority associations, cultural groups and small businesses havebeen displaced from this disused industrial area by a city led urban renewal effort building high-end housing units. However, Sorgenfri plan has also been marked by an ambition to pionee
This article explores the emergence of PV adoption practices among non-residential property owners in Sweden to deepen insights into PV diffusion and accelerate a renewable electricity transition. It applies a social practice theory approach to show how different practice elements need to come together to establish a PV adoption practice.Twenty-five semi-structured interviews were conducted with p
The COVID-19 pandemic has not only posed unprecedented threats to global health but also raised significant concerns about equality and inclusiveness. Drawn on the participatory approach in strategic communication, this chapter proposes a community-based crisis response model to address communication inequality among ethnic groups during public health crises. This chapter assesses current scholarl
Krypton L-MM Auger spectra have been measured with good resolution and statistics and have been compared with relativistic calculations in intermediate coupling with configuration interaction. Good agreement between experiment and theory is found; the effects of final-state configuration interaction, ground-state correlation, and Coster-Kronig fluctuation shifts are found to be significant. A prev
Inflammation, apoptosis and oxidative stress play crucial roles in the deterioration of severe acute pancreatitis-associated acute respiratory distress syndrome (SAP-ARDS). Unfortunately, despite a high mortality rate of 45 %[1], there are limited treatment options available for ARDS outside of last resort options such as mechanical ventilation and extracorporeal support strategies[2]. This study
Renewable methanol is one of the most promising alternative fuels for internal combustion engines. However, its much higher latent heat of vaporization compared to traditional fossil-based hydrocarbon fuels poses new challenges. On both spark-ignition (SI) engines and dual-fuel (DF) engines, methanol can be introduced through injectors installed in the intake path, with its evaporation then causin
Gambling disorder can be treated with cognitive behavioral therapy (CBT), but treatment is under-dimensioned in many settings. For example, in Sweden, a setting with mixed responsibility for addiction treatment between health care and social services, treatment for gambling disorder has only recently been introduced in the responsibilities of public institutions. After the introduction of gambling
Background: Although several cardiovascular, demographic, genetic and lifestyle factors have been associated with cognitive function, little is known about what type of cognitive impairment they are associated with. The aim was to examine the associations between different risk factors and future memory and attention/executive functions, and their interaction with APOE genotype. Methods: Participa
The distribution of vehicles during a tunnel fire is a crucial factor that affects fire development and hazards, as well as the following evacuation and rescue operations. This work proposed a novel method using computer vision for assessing the real-time tunnel fire risk and evacuation safety by considering the classification and entry flow of vehicles. The proposed system utilizes YOLOv7 and Dee
Background: Parental allergic diseases and smoking influence respiratory disease in the offspring but it is not known whether they influence fractional exhaled nitric oxide (FeNO) in the offspring. We investigated whether parental allergic diseases, parental smoking and FeNO levels in parents were associated with FeNO levels in their offspring. Methods: We studied 609 offspring aged 16–47 years fr
Agricultural intensification and expansion are regarded as main drivers of biodiversity loss. This conclusion is mainly based on observed declines of local diversity (α-diversity), while effects on community composition homogenization (decrease of β-diversity) at a larger spatial scale are less well understood. Carabid beetles and spiders represent two widespread guilds and are important predators
Syftet med denna licentiatavhandling är att bidra till en ökad förståelse för hurräddningstjänsten kan förbättra sin förmåga att lösa komplexa problem vidstorskaliga olyckshändelser. Större olyckor är ofta komplexa och dynamiskahändelser som kännetecknas av en hög grad av osäkerhet, oförutsägbarhet ochtvetydighet. Under sådana förhållanden utmanas räddningstjänstens förmåga att lösa de olika och mGlobal trends suggest an increasing level of uncertainty regarding potential risks faced by individuals, organizations, or society as a whole. These trends are likely to alter the risk landscape, necessitating the enhancement of societal capabilities to effectively address emerging risks. Among the key actors dealing with such changes is the Fire and Rescue Service (FRS). However, these challenges
