Faculty of Science and Technology: Nye registreringer
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Novel methods for reliability study of multi-dimensional non-linear dynamic systems
(Peer reviewed; Journal article, 2023)This research presents two unique techniques for engineering system reliability analysis of multi-dimensional non-linear dynamic structures. First, the structural reliability technique works best for multi-dimensional ... -
Recurrent Neural Networks for Artifact Correction in HRV Data During Physical Exercise
(Peer reviewed; Journal article, 2023)In this paper, we propose the use of recurrent neural networks (RNNs) for artifact correction and analysis of heart rate variability (HRV) data. HRV can be a valuable metric for determining the function of the heart and ... -
Numerical study on vibratory extraction of offshore wind turbine monopile foundations under sandy seabed condition
(Peer reviewed; Journal article, 2023)The wind industry has experienced a rapid growth in Europe over the last decades. The early generation turbines were designed for a life of 20–25 years. Decommissioning of offshore wind turbines is becoming more important ... -
Automatic AI-Driven segmentation of Acute Ischemic Stroke Regions with CT Perfusion Images
(PhD thesis UiS;, Doctoral thesis, 2023)This thesis investigates artificial intelligence (AI) methodologies to automatically delineate ischemic areas of brain Computed Tomography Perfusion (CTP) scans acquired at hospital admission in patients suspected of acute ... -
Experimental investigation of laminar and turbulent displacement of residual oil film
(Peer reviewed; Journal article, 2023-11)Residual oil films on pipe walls are a common occurrence in industrial processes, and their presence can significantly impact system efficiency and performance. However, the mechanisms that govern oil film removal by an ... -
Prevalence of bradycardia in 4876 newborns in the first minute after birth and association with positive pressure ventilation: A population-based cross-sectional study
(Peer reviewed; Journal article, 2023)Objective To determine the prevalence of bradycardia in the first minute after birth and association with positive pressure ventilation (PPV). Method A population-based cross-sectional study was conducted from June 2019 ... -
An Attribute Perspective on Regulatory Regimes in Risk Governance
(Peer reviewed; Journal article, 2023)Increasing interest from stakeholders has brought new focus on risk governance and risk regulation, such as the regulator’s execution of duty and tangible results on safety and environmental protection in oil and gas ... -
Photodegradable Antimicrobial Agents: Towards Structure Optimization
(Peer reviewed; Journal article, 2023)Antibiotic resistance continues to be an ominous threat facing human health globally and urgent action is required to limit the loss of human life. The pollution of antibiotics into the environment is one of the drivers ... -
Hydrogen diffusion into caprock: A semi-analytical solution and a hydrogen loss criterion
(Peer reviewed; Journal article, 2023)Depleted gas reservoirs can provide a gigaton capacity and the necessary infrastructure for large scale hydrogen storage. Therefore, underground storage of hydrogen in these geological formations is considered a valuable ... -
Adaptive mesh refinement in locally conservative level set methods for multiphase fluid displacements in porous media
(Peer reviewed; Journal article, 2023)Multiphase flow in porous media often occurs with the formation and coalescence of fluid ganglia. Accurate predictions of such mechanisms in complex pore geometries require simulation models with local mass conservation ... -
Aging and Temperature Effects on the Performance of Sustainable One-Part Geopolymers Developed for Well-Cementing Applications
(Peer reviewed; Journal article, 2023)This study elucidates the effects of aging and temperature over the performance of one-part “just add water” (JAW) granite-based geopolymers for application in well cementing and well abandonment. Additionally, the ... -
Green Hydrogen Production from Residual Lignocellulosic Biomass via Dark Fermentation: Maximizing Hydrogen Yield via Optimal Pretreatment Method and Substrate-to-Inoculum Ratio
(Studentoppgave/UIS-TN-IKBM/2023;, Master thesis, 2023)This thesis presents an investigation into the biohydrogen production potential of Lignocellulosic Aquatic Residue (LAR), a byproduct of an industrial process. A detailed examination of the substrate and inoculum ... -
Numerical investigation on rock fragmentation under decoupled charge blasting
(Peer reviewed; Journal article, 2023-05)Blasting using decoupled charge is extensively applied in rock excavation and rock fragmentation. In this study, the rock fragmentation induced by blasting using decoupled charge is investigated by combined finite element ... -
Identifying innovation opportunities emerging from technology and business trends
(PhD thesis UiS;, Doctoral thesis, 2023)Businesses are continuously looking for opportunities to innovate. There is a gap in the literature regarding innovation models and approaches that are systematic, practical and easy to apply. This thesis addresses this ... -
Ab-initio QCD Calculations Impact the Inference of the Neutron-star-matter Equation of State
(Peer reviewed; Journal article, 2023)We demonstrate that ab-initio calculations in QCD at high densities offer significant and nontrivial information about the equation of state of matter in the cores of neutron stars, going beyond that which is obtainable ... -
Identification of diagnostic and prognostic biomarkers of PD using a multiplex proteomics approach
(Peer reviewed; Journal article, 2023-09)Given the complexity of Parkinson's disease (PD), achieving acceptable diagnostic and prognostic accuracy will require the support of a panel of diverse biomarkers. We used Proximity extension assays to measure a panel of ... -
Comparing Growth Models with Other Investment Methods
(Peer reviewed; Journal article, 2023-02)This article introduces five growth models as an investment method. These are conventional logistic growth, Gompertz growth, generalized charged capacitor growth, combined logistic and charged capacitor growth, and combined ... -
Intersectionality incarnate: A case study of civil society, social capital, and its metamorphosis
(Peer reviewed; Journal article, 2023-07)This paper investigates civil society’s metamorphosis through the lens of intersectional risk theory. While numerous studies interrogate civil society’s spatiotemporal evolution, there has yet to be an analysis of how and ... -
On the gap between theory and practice in defining and understanding risk
(Peer reviewed; Journal article, 2023-09)The risk concept is used in all types of situations and applications, ranging from technology to medicine and security issues. Many definitions of the concept exist, and there is an ongoing discussion on what is the most ... -
A Low-Cost Wireless Body Area Network for Human Activity Recognition in Healthy Life and Medical Applications
(Peer reviewed; Journal article, 2023)Moved by the necessity, also related to the ongoing COVID-19 pandemic, of the design of innovative solutions in the context of digital health, and digital medicine, Wireless Body Area Networks (WBANs) are more and more ...