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Monitoring and regulation of fermentations is of a paramount industrial and academic importance in order to keep conditions optimal during the entire process. Established techniques employed today include HPLC and spectrophotometry, which both have the disadvantage that broth samples have to be drawn from the fermentor and that they often require sample pre-treatment. The objectives of this study
Wireless communication systems are by nature and by regulations limited in bandwidth and are therefore limited in capacity. Services with Quality of Service (QoS) requirements will enforce a more efficient utilisation of the available capacity. This observation motivates the development of schedulers that can deliver the required QoS as well as being resource efficient. In this thesis, we study r
A gastrostomy device is removed from the gastrostoma when no longer needed. The aim of the study was to test the hypothesis of whether it is possible for the surgeon to decide which stoma has to be closed with a gastroraphy and which to leave for a spontaneous closure within a reasonable period of time. Out of a cohort of 321 patients, who had been operated with a video-assisted gastrostomy, we in
BACKGROUND: For 40 years cricoid pressure has been used to prevent regurgitation of gastric contents during induction of anaesthesia. Recent studies have emphasised use of more moderate force so as not to deteriorate ventilation or endotracheal intubation. This study was undertaken to assess the current practice and knowledge of cricoid pressure among anaesthesia personnel in southern Sweden. METH
Carotenoids are one of the most widespread and important group of pigments in Nature and they can act as light-harvesting agents, photoprotectors and antioxidants. Mechanisms of their multiple functions are not fully understood mainly because their complicated photophysics involving ?dark? excited states. The central theme of this thesis is characterization of the lowest dark S1 state of carotenoi
The aim of this cross-sectional study was to investigate the prevalence of overweight and obesity in children and adolescents (6-16 years), and relationships between being overweight and sleep, experiencing of fatigue, enjoyment of school, and time spent in watching television and in sitting at the computer. Trained school nurses measured the weight and height of 2891 children aged 6, 7, 10, 14, a
LUNDS UNIVERSITET ht 2017 HISTORISKA INSTITUTIONEN HISS19 temakurs avancerad nivå 7,5 hp Harald Gustafsson Plats, rum, landskap Spatiala perspektiv i historisk forskning Information, schema, litteraturlista m.m. Kursinformation Hej och välkomna till en kurs som förhoppningsvis öppnar nya landskap och tar oss till spännande platser! Plats är ett begrepp som har börjat ta allt större plats hos histo
https://www.historiska.lu.se/media/utbildning/dokument/kurser/HISS19/20172/ht_17_plats_infopaket.docx - 2026-07-12
BACKGROUND: Psychosocial factors are important for patients undergoing heart (HTx) or lung (LTx) transplantation and for their next of kin (NoK).AIM: To describe health-related quality of life (HRQoL; patients only), anxiety, depression, stress, coping ability, and burden (NoK only) for patients and their NoK before and up to 2 years after HTx or LTx.DESIGN: Adult patients (28 hearts and 26 lungs)
For several centuries, the dominant worldview in industrial societies has held that various problems --such as those recently identified as relating to sustainability-- can be solved through technological progress. Technological progress has been conceived as the fruits of engineering science, new knowledge, and innovation. While knowledge of the principles of physics is certainly a necessary cond
Objectives: Rituximab (RTX) is an anti-CD20 antibody that selectively depletes B cells and has emerged as a therapy for ANCA-associated vasculitis (AAV) during the past decade. This study sought to quantify and determine potential risk factors for severe infections in AAV patients treated with RTX at rheumatology clinics in Mexico City, Mexico and Lund, Sweden. Methods: The study consisted of a re
Three-dimensional Large Eddy Simulations (LES) are conducted on a non-premixed hydrogen-air annular rotating detonation combustor (RDC). A 22-step finite-rate chemistry reaction mechanism and a flow solver previously developed for high-speed reacting flow are used to perform the LES’. The selected case is an RDC designed by the US Air Force Research Laboratory and has been studied experimentally a
This paper presents a new accelerated testing procedure for plastic gears that is based on several different levels of testing. The iterative testing procedure fulfils requests from the product development process. The following criteria are considered for testing: reduced number of tests, shorter test time and reliable results for different applications. The proposed method was applied over the f
