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1. IntroductionThe demand for efficient oil-water separation is driven by the tightening of discharge limits for e.g. produced water in the oil and gas industry, process water in the petrochemical industry and bilge water in the marine industry. The global produced water production alone is over 71 billion bbl/a – 8.4 billion m3/a [1]. Among the different technologies, particularly ultrafiltration
OBJECTIVES: To examine patient willingness and possible shift in willingness for surgery and to investigate factors associated with this shift, following participation in the digital non-surgical osteoarthritis (OA) treatment program Joint Academy.METHODS: 458 individuals (mean age 62±5.6 years, 67% women) with diagnosed hip or knee were evaluated after six weeks in Joint Academy, comprising educa
Alla ryggradsdjur har ett immunförsvar vars funktion är att skydda oss mot mikroorganismer som kan orsaka sjukdom, såsom bakterier och virus. Dessa sjukdomsframkallande ämnen kallas patogener. Immunförsvaret behöver kunna skilja mellan proteiner som kommer från den egna kroppen och från patogener. Molekylerna som kodas av gener i major histocompatibility complex (MHC) har en viktig del i denna igeThe function of the vertebrate immune system is to enable recognition and elimination of microorganisms that can cause harm (pathogens). A key component in adaptive immunity is the major histocompatibility complex (MHC) that codes for molecules with antigen presentation function. There are two main types of MHC molecules, class-I (MHC-I) and class-II (MHC-II) and the focus of my thesis has been MH
A search for resonant and nonresonant pair production of Higgs bosons in the bbτ+τ- final state is presented. The search uses 36.1 fb-1 of pp collision data with s=13 TeV recorded by the ATLAS experiment at the LHC in 2015 and 2016. Decays of the τ-lepton pairs with at least one τ lepton decaying to final states with hadrons and a neutrino are considered. No significant excess above the expected b
The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. Approximately 10,000 photomultipliers collect light from scintillating tiles acting as the active material sandwiched between slabs of steel absorber. This paper gives an overview of the calorimeter’s performance during the years 2008–2012 using cosmic-ray muon events an
Då naturens resurser förbrukas i allt större takt har inställningen till ekologiska produkter blivit ett väldigt aktuellt ämne. Denna studie ämnar undersöka konsumenters inställning till ekologiska varor samt vilka faktorer som motiverar dem till att köpa ekologiska produkter med utgångspunkt från the theory of planned behaviour (TPB). Som komplement till TPB har den emotionella variabeln anticipaThe growing scarcity of the Earth´s natural resources has made organic products into an important topic worldwide. The aim of this study is to examine which factors that motivate individuals to consume organic products, by using an extended version of the theory of planned behaviour which includes the emotional variable anticipated regret. A multiple regression analysis was performed on the data c
The average woman uses 11,000 tampons during her lifetime. Both sanitary pads and tampons have been proven to contain low levels of dioxins, which are a group of highly toxic environmental pollutants known to cause cancer, reproductive damage and endocrine disruption. Some scientists have concluded that dioxin levels in tampons are insignificant to the overall dioxin exposure of menstruating women
The project has been developed from a proposal made by RegionService (technical real estate for Region Skåne) and based on the replacement of light fixtures from fluorescent lamps to white LEDs (Light Emitting Diodes) in some hallways in Helsingborgs Lasarett (The Hospital in Helsingborg). The results turned out to be positive and further replacement were made in nearby buildings as well. My part
Purpose: The purpose of this thesis is to investigate whether the length of the maturity profile of a firm’s debt has any implications for the capital structure. Theoretical perspectives: A deductive approach, using econometric methodology to examine the correlation ( if any) between the selected variables, and the significance (if any) of that correlation. The output of our econometric model is f
Differentiated thyroid carcinoma (TC) is threefold more common in women than in men and, therefore, a role of female hormones in the etiology of differentiated TC has been suggested. We assessed these hypotheses in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. Among 345,157 women (mean age 51) followed for an average of 11 years, 508 differentiated TC cases were i
The societal need for a mobile workforce increases time spent commuting and thus also the total workday. How this affects individual well-being and social life is, however, surprisingly little known. We investigated the relation between commuting time and mode, and social participation and general trust in other people as measures of social capital, using data from public health surveys conducted
Lipase-catalyzed synthesis of lipophilic phenolic antioxidants was carried out with a concentrate of n-3 polyunsaturated fatty acids (PUFAs), recovered from oil extracted from salmon ( Salmon salar ) byproduct. Vanillyl alcohol and rutin were selected for the esterification reaction, and obtained esters yields were 60 and 30%, respectively. The antioxidant activities of the esters were compared wi
Purpose: To compare the specificity of diagnosing posterior vitreous detachment (PVD) using preoperative optical coherence tomography (OCT) versus intraoperative triamcinolone acetonide (TA) staining in patients undergoing vitrectomy. Patients and Methods: This retrospective cohort study included patients undergoing pars plana vitrectomy for diverse retinal pathologies. Intraoperatively, surgeons
Tumor necrosis factor (TNF)/cachectin can produce both beneficial and harmful manifestations. Mechanisms may operate to counteract potentially harmful effects such as shock and cachexia. The TNF binding protein (TNF-BP), which is found at increased levels in serum and urine of patients with chronic renal failure, may play such a role. TNF-BP was purified 1,000,000-fold to homogeneity from urine of
Public engagement in local environmental planning and decision-making is often advocated on various grounds, both instrumental and normative. Yet in developed countries in the context of renewable energy infrastructure deployment, place attachment, place identity and place-protective action continue to be implicated in public objection. We set out an interdisciplinary change readiness hypothesis o
This thesis investigates principal terms that are pertinent specifically to the visual character of architecture. In common terminology such as order, complexity, variation, monotony, and contrast. By surveying recent public debates it is deduced that both laymen and professionals lack the sufficient language to establish common ground. By a doctor-patient metaphor it follows that no remedy can be
