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Ribs are widely employed in internal cooling passages of turbine blades to enhance heat transfer. From the mathematics, a fractal is an abstract object used to describe naturally occurring objects which exhibits similar properties with increased smaller scales. In a ribbed channel, originating from two sides truncated ribs, fractal truncated ribs are built and the evolving process contains three s
Background: Hypofractionated radiotherapy for prostate cancer has gained increased attention due to its proposed high radiation-fraction sensitivity. Recent reports from studies comparing moderately hypofractionated and conventionally fractionated radiotherapy support the clinical use of moderate hypofractionation. To date, there are no published randomised studies on ultra-hypofractionated radiot
This article examines how the common law tort of negligence as developed in the United Kingdom can provide a helpful guidance for deconstructing and elucidating some of the disparate analytical issues that are subsumed under the umbrella of positive obligations under the European Convention on Human Rights (ECHR). Both frameworks, common law and ECHR, aim to delimit the circumstances where respons
Background: Fine-needle aspiration biopsy (FNAB) of lymph nodes is a widely used method for evaluating lymphadenopathy. FNAB offers general advantages of rapid turnaround time, low cost and minimal morbidity, and more specific advantages in various clinical situations, such as deeply located lymph nodes or patients with significant comorbidities. The FNAB sample can be utilized for a wide range of
Introduction: Accurate and reproducible measures of factor activity are required to guide clinical decision-making following gene therapy for haemophilia B (HB). Highly significant discrepancies have been observed in measurements of various factor IX (FIX) concentrates that carry molecular modifications to extend their half-life, arguing for the need for careful analysis of new HB treatment modali
AimsDyspnoea accounts for nearly 5% of emergency department (ED) visits. Our aim was to describe the in-hospital and long-term outcomes of patients admitted to the ED for dyspnoea, based on their underlying aetiology, and to determine if prognosis varies according to the hospitalization setting.MethodsWe analyzed 18 903 consecutive patients (48% male, average age 73 years) hospitalized after an ED
Background: Proton beam therapy (PBT) offers dosimetric advantages in pediatric radiotherapy by reducing radiation exposure to healthy tissues. However, broad implementation raises important ethical, logistical, and equity considerations, especially in settings with limited access to advanced technologies. Procedure: This position paper by the Paediatric Radiation Oncology Society (PROS) reviews t
A search is performed for dark matter particles produced in association with a resonantly produced pair of (Formula presented)-quarks with (Formula presented) using (Formula presented) of proton-proton collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the LHC. This signature is expected in extensions of the standard model predicting the production of dark matter par
Micropollutant removal is a key component of the revised Urban Wastewater Treatment Directive (UWWTD) and can be achieved with ozonation. During ozonation, the composition of the wastewater matrix and the targeted treatment level for individual micropollutants or groups of such compounds affect ozone consumption. In this work, it was hypothesized that nitrite scavenging, the point of dosing (befor
A search for T and Y vector-like quarks produced in proton-proton collisions at a centre-of-mass energy of 13 TeV and decaying into Wb in the fully hadronic final state is presented. The search uses 139 fb−1 of data collected by the ATLAS detector at the LHC from 2015 to 2018. The final state is characterised by a hadronically decaying W boson with large Lorentz boost and a b-tagged jet, which are
This Letter presents evidence for the associated production of a W boson and a top quark using 2.05 fb(-1) of pp collision data at root s = 7 TeV accumulated with the ATLAS detector at the LHC. The analysis is based on the selection of the dileptonic final states with events featuring two isolated leptons, electron or muon, with significant transverse missing momentum and at least one jet. An appr
Background. The definition of a "difficult" cannulation varies considerably in reports of endoscopic retrograde cholangiopancreatography (ERCP). Aims. To define a difficult cannulation, which translates into higher risk of post-ERCP pancreatitis. Patients and methods. Prospective consecutive recording of 907 cannulations in Scandinavian centers done by experienced endoscopists. Inclusion: indicati
Purpose Pain in conjunction with surgery for ulnar nerve entrapment at the elbow is seldom highlighted in the literature. This study aimed to explore patients' experiences of living with chronic pain (≥3 months duration) in conjunction with surgery for ulnar nerve entrapment at the elbow, the consequences and the coping strategies applied. Material and methods In-depth interviews were conducted wi
Ongoing climate variability and change are increasing the burden of diarrhoeal disease worldwide. Meaningful early warning systems with adequate lead times (weeks to months) are needed to guide public health decision–making and enhance community resilience against health threats posed by climate change. Toward this goal, we trained various machine-learning models to predict diarrhoeal disease rate
For many years, indigeneity has been conceptualized as rural, making Indigenous communities and people in cities invisible globally. For the Sámi people, Europe’s only indigenous people, security is mainly understood as physical-centering extraction and environmental degradation. Focusing on the urban Sámi community in Umeå in Sweden, cultural and political belonging in the city arises as vital in
Buildings are a are a major consumer of energy in urban areas. The use of solar energy in buildings can help reduce CO2 emitting energy consumption in these urban areas. One way to use solar energy is through passive solar energy systems. Passive solar energy systems allow a building to use daylight as an energy source. The use of daylight as passive solar energy in Sweden could reduce the energy
In this paper I build upon the theory of endogenous economic growth to explain the presence or absence of convergence between the industrialized and the developing world. This is done by emphasizing the role of the business firm as an avenue to technological “catch up”. I suggest that the importance of knowledge incorporated within the private business firm and it’s effect on the process of techno
PFAS (per- and polyfluoroalkyl substances) are a group of synthetically manufactured chemicals contributing to environmental pollution. The largest point source of PFAS in Sweden is the usage of firefighting foam, and at MSB (Swedish Civil Contingencies Agency) Revinge, firefighting foam has frequently been used. Moreover, PFAS is known to accumulate in plants, and a Salix plant cultivation has be
