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Purpose: Flattening filters (FFs) have been considered as an integral part of the treatment head of a medical accelerator for more than 50 years. The reasons for the longstanding use are, however, historical ones. Advanced treatment techniques, such as stereotactic radiotherapy or intensity modulated radiotherapy have stimulated the interest in operating linear accelerators in a flattening filter
Food quality affects growth, reproduction and community structure of zooplankton, and has implications for nutrient cycling and the transfer of energy and matter in aquatic food chains. While the issue of food quality in clear water lakes has received great recent attention, studies on food quality for zooplankton in humic lakes are scarce. Humic lakes are largely influenced by carbon of terrestri
Software product development companies experience different challenges in managing quality requirements compared to functional requirements. In this context, quality requirements are defined as requirements that describe a restriction on the system, and specify how well the system performs its functions. In a market–driven development context with large markets, potential customers, and strong com
This chapter introduces basic differences between Free/Open Source Enterprise Resources Planning systems (FOS-ERP) and Proprietary ERP (P-ERP), revisiting the previous work of Carvalho (2008). Taking into account that some years has passed and the economic downturn came, it updates key aspects of FOS-ERP under both vendor and adopter perspectives. Like its predecessor, this chapter contributes to
This paper investigates if a relationship exists between women in TMTs and firm performance for 187 Large- and Mid-Cap firms in Scandinavia for the period 2009-2013. Thereby adding to the scarce international evidence within the gender diversity in TMTs literature. The theoretical simultaneous relationship between performance and gender diversity in TMTs is taken into account and a 2SLS approach i
This thesis comprises an introductory chapter and four papers related to quality control in ECG-based atrial fibrillation (AF) screening. Atrial fibrillation is a cardiac arrhythmia characterized by an irregular rhythm and constitutes a major risk factor for stroke. Anticoagulation therapy significantly reduces this risk, and therefore, AF screening is motivated. Atrial fibrillation screening is o
Aim and goal: The purpose of this study was to find out which quality deficiencies that are discovered in the self inspection, but are missing in the work preparation. The purpose was also to find out how the work preparation should have been performed, to not miss these deviations. The goal for this study was to present different suggestions for how the work preparation should have been performed
Open seminar at Lund stadsbibliotek Thursday 8 November at 18:00-19:00 How does street art differ and overlap in the Oresund region? Is graffiti local or global? Art historian and sociologist Peter Bengtsen has been studying street art since 2006. In this talk he discussed his research, how he became interested in street art and how his interests have changed after moving from Copenhagen to Malmö
https://www.cors.lu.se/aktiviteter/street-art-and-urban-creativity-oresund-region - 2026-07-11
Background. Assessment of gallstone surgery's impact on quality of life (QoL) requires a reliable instrument with sufficient responsiveness. The instrument should also enable estimation of each individual's expected condition in an unaffected state. Materials and Methods. The Swedish Register for Gallstone Surgery and ERCP (GallRiks) registers indications, complications, results, and QoL-outcome o
This prospective observational data collection study assessed the cost and quality of life related to hip, vertebral and wrist fracture 1 year after the fracture, based on a patient sample consisting of 635 male and female patients surviving a year after fracture. Data regarding resource use and quality of life related to fractures was collected by questionnaires at baseline, 4 months and 12 month
As aquaculture expands, the volume of fish feed produced and transported must also increase. Therefore a better understanding and increased control of the factors that influence the physical quality of feed pellets is required. To achieve this goal, reliable methods measuring the physical quality of feed are needed. The Holmen pellet tester (NHP 100) could be adapted for this purpose, but the spec
Preeclampsia (PE) is an important pregnancy complication that affects 3-8% of women worldwide and is a leading cause of maternal and fetal morbidity and mortality. It is known that PE is associated with placental dysfunction, resulting in hypoxia, oxidative stress, altered metabolism and production of inflammatory cytokines. Hypoxia could enhance erythropoiesis and induce non-erythroid hemoglobin
COVID-19 and lockdown strategies may affect mental health and addictive behavior differently in the population, and elite athletes are among the professions clearly affected by the pandemic. This study in top elite athletes aimed to study current perceived psychological influence from COVID-19 and symptoms of depression, anxiety and changes in alcohol drinking, gambling behavior and problem gambli
