Faculty of Science and Technology: Nye registreringer
Viser treff 301-320 av 7320
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Criterion for sufficiently large dither amplitude to mitigate non-linear glitches
(Chapter, 2023)A model describing glitch disturbances is introduced and analysed. The model is used to find the response of glitch disturbances when adding a periodic dither to the input and applying low-pass filtering to the output. ... -
Low Carbon Enhanced Oil Recovery Solution for Carbonates
(PhD thesis UiS;, Doctoral thesis, 2024)Oil production from mature fields causes significant CO2 emissions, primarily linked to the management and processing of injected and produced water. As fields age, the demand for injected water increases, increasing both ... -
Temperature-Dependent Classification of Geopolymers Derived from Granite Designed for Well Cementing Applications
(Peer reviewed; Journal article, 2023)Alternative materials such as geopolymers appear to have potential advantages compared to Portland cement. However, the application of geopolymers for all sections of the well is still a major challenge due to the difference ... -
Investigation of the Effect of Fracturing Fluids on Shale Pore Structure by Nuclear Magnetic Resonance
(Peer reviewed; Journal article, 2023)Hydraulic fracturing technology significantly enhances the productivity of shale oil and gas reservoirs. Nonetheless, the infiltration of fracturing fluid into shale formations can detrimentally affect the microscopic pore ... -
Mapping the Antimicrobial Activity of Indoloquinoline and Neocryptolepine Analogues
(Peer reviewed; Journal article, 2023) -
Subcellular localization and therapeutic efficacy of polymeric micellar nanoparticles encapsulating bedaquiline for tuberculosis treatment in zebrafish
(Peer reviewed; Journal article, 2023)The combination drug regimens that have long been used to treat tuberculosis (TB), caused by Mycobacterium tuberculosis, are fraught with problems such as frequent administration, long duration of treatment, and harsh ... -
Impact of KRAS and BRAF mutations on treatment efficacy and survival in high-grade gastroenteropancreatic neuroendocrine neoplasms
(Peer reviewed; Journal article, 2023)High-grade gastroenteropancreatic neuroendocrine neoplasms (HG GEP-NEN) typically disseminate early. Treatment of metastatic disease has limited benefit and prognosis is generally discouraging. Data on the clinical impact ... -
RiskTUN: An ICT-based Concept for a Risk-aware Decision Support System for Tunnel Safety
(Chapter, 2023)Safety in road tunnels are of utmost importance for the public notion of safety within the road system. In recent years, there has been significant progress in multiple areas of artificial intelligence, sensor fusion and ... -
Importance of endocrine treatment adherence and persistence in breast cancer survivorship: a systematic review
(Peer reviewed; Journal article, 2023)Purpose Adjuvant endocrine treatment is essential for treating luminal subtypes of breast cancer, which constitute 75% of all breast malignancies. However, the detrimental side effects of treatment make it difficult for ... -
Cognitive Profile in Parkinson’s Disease Dementia Patients with Low versus Normal Cerebrospinal Fluid Amyloid Beta
(Peer reviewed; Journal article, 2023)Introduction: In patients with Parkinson’s disease (PD), low cerebrospinal fluid (CSF) amyloid beta 1-42 (Ab42) at baseline is the most consistent CSF biomarker as a risk factor for developing dementia. Low CSF Ab42 is, ... -
Solving Nonlinear Conservation Laws of Partial Differential Equations Using Graph Neural Networks
(Peer reviewed; Journal article, 2023)Nonlinear Conservation Laws of Partial Differential Equations (PDEs) are widely used in different domains. Solving these types of equations is a significant and challenging task. Graph Neural Networks (GNNs) have recently ... -
Regiodivergent Synthesis of 11H-Indolo[3,2-c]quinolines and Neocryptolepine from a Common Starting Material
(Peer reviewed; Journal article, 2023)A large number of diversely functionalized analogs of the bioactive natural products neocryptolepine and isocryptolepine have been prepared from a series of 3-bromoquinoline derivatives. The neocryptolepines were obtained ... -
Fixed type-oscillating water column front wall angle variation and impact on chamber performance: CFD numerical wave tank assessment
(Peer reviewed; Journal article, 2023)This study investigates optimizing the front wall geometry of an Oscillating Water Column (OWC) chamber to enhance turbine performance and output efficiency when harnessing energy from progressive waves with consistent ... -
Virtual Actuator and Sensor Fault Tolerant Consensus for Homogeneous Linear Multi-Agent Systems
(Peer reviewed; Journal article, 2023)This paper presents a fault tolerant consensus protocol for homogeneous linear multi-agent systems using virtual actuators and virtual sensors. By means of the virtual actuators/sensors, the faulty system is reconfigured ... -
From Baseline to Top Performer: A Reproducibility Study of Approaches at the TREC 2021 Conversational Assistance Track
(Chapter, 2023)This paper reports on an effort of reproducing the organizers’ baseline as well as the top performing participant submission at the 2021 edition of the TREC Conversational Assistance track. TREC systems are commonly regarded ... -
Development of a surrogate model of a trans-critical CO2 heat pump for use in operations optimization using an artificial neural network
(Peer reviewed; Journal article, 2023)Conventional physics-based models can demand substantial computational resources when employed for operational optimization. To allow faster system simulations that can be employed for operational optimization, a surrogate ... -
Heart rate and QRS duration as biomarkers predict the immediate outcome from pulseless electrical activity
(Peer reviewed; Journal article, 2023)Introduction Pulseless electrical activity (PEA) is commonly observed in in-hospital cardiac arrest (IHCA). Universally available ECG characteristics such as QRS duration (QRSd) and heart rate (HR) may develop differently ... -
Modeling and identification of the Quanser Aero using a detailed description of friction and centripetal forces
(Chapter, 2023)This paper deals with the modeling and identification of the Quanser Aero. The Quanser Aero is an aerospace laboratory setup designed for teaching aerospace concepts. Two propellers generate thrust and allow the user to ... -
Artificial neural network model for predicting CO2 heat pump behaviour in domestic hot water and space heating systems
(Peer reviewed; Journal article, 2023)The natural refrigerant, CO2, possesses thermophysical properties that make it highly suitable for domestic hot water (DHW) production using heat pump technology. In this study, the development and validation of an artificial ... -
Assessing Impact of Borehole Field Data’s Input Parameters on Hybrid Deep Learning Models for Heating and Cooling Forecasting: A Local and Global Explainable AI Analysis
(Peer reviewed; Journal article, 2023)Achieving accurate performance forecasting of borehole heat exchanger is essential for optimizing ground source heat pump systems, enabling optimal control, and facilitating energy-efficient operations with enhanced ...