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Optimalisering og kontroll av et solassistert-bergvarmepumpesystem
(Master thesis, 2023)Bygg- og anleggsbransjen står i dag for omtrent 40% av all energibruk i verden. Av dette utgjør omtrent 80% energien for varmtvannsforbruk, oppvarming og kjøling av bygg [1]. Et tiltak for å redusere denne energibruken ... -
Optimisation of chest Computed Tomography using a phantom: impact of mAs and reconstruction techniques on Image Quality
(Chapter; Peer reviewed; Chapter, 2016)Objectives: To verify if the mAs and reconstruction techniques affect the visualisation of relevant structures in lung Computed Tomography (CT) using a phantom. Methods: Images were acquired using various mAs and ... -
Optimism trap? Educational aspirations and outcomes among students with immigrant backgrounds in Norway and Spain
(Peer reviewed; Journal article, 2023)While immigrants and their children display bold educational aspirations, less is known about the relationship between their aspirations and educational outcomes. Using longitudinal survey data on students in upper secondary ... -
Optimists report fewer physical and mental health conditions than pessimists in the general Norwegian population
(Health Psychology Report;7 (1), Journal article; Peer reviewed, 2019-01-03)Background: Several studies have found that optimism is associated with better health. However, all those studies have investigated the subject in a specific context: gender, age group, diagnosis, situation, or population ... -
Optimists’ and pessimists’ self-reported mental and global health during the COVID-19 pandemic in Norway
(Health Psychology Report;, Journal article; Peer reviewed, 2021-01-05)Background: The COVID-19 pandemic represents a global health crisis. How well people cope with this situation depends on many factors, including one’s personality, such as dispositional optimism. The aim of the study was ... -
Optimization of Codman® Hakim® adjustable valve radiography
(Journal article; Peer reviewed, 2017)Purpose Cerebrospinal fluid shunt valves is an important tool in hydrocephalus treatment. Adjustable valves, sensitive to MRI, are onerous. They need be controlled; in case of re-settings. The vendor give advices for ... -
Optimization of environmental impact from ventilation systems
(Master thesis, 2023)A Life Cycle Assessment, LCA, including modules A1-A3, Product, B4, Replacement and B6, Operational energy use, was performed for the environmental impacts on Climate change/Global Warming Potential. The LCA calculations ... -
Optimization of Q.Clear reconstruction for dynamic 18F PET imaging
(Journal article; Peer reviewed, 2023)Background: Q.Clear, a Bayesian penalized likelihood reconstruction algorithm, has shown high potential in improving quantitation accuracy in PET systems. The Q.Clear algorithm controls noise during the iterative reconstruction ... -
Optimized SPECT Imaging of 224Ra α-Particle Therapy by 212Pb Photon Emissions
(Peer reviewed; Journal article, 2023)In preparation for an a-particle therapy trial using 1–7 MBq of 224Ra, the feasibility of tomographic SPECT/CT imaging was of interest. The nuclide decays in 6 steps to stable 208Pb, with 212Pb as the principle photon-emitting ... -
Optimizing 5G VPN+ Transport Networks with Vector Packet Processing and FPGA Cryptographic Offloading
(Lecture Notes in Computer Science;Volume 12814, Conference object, 2021-08-16)Network slicing is the crucial prerogative that allows end users and industries to thrive from 5G infrastructures, however, such a logical network component can deteriorate from security vulnerabilities that prevail within ... -
Optimizing Biogas Production and Energy Efficiency in Anaerobic Digestion Process: Development and Evaluation of Control Strategies
(Master thesis, 2023)Anaerobic digestion is a biological process utilized for the conversion of organic matter into valuable biogas and nutrient-rich digestate. This renewable energy technology holds great potential in addressing multiple ... -
Optimizing DNA Extraction from Dried Blood Spots for Biological Age Measurements
(Master thesis, 2021)While the chronological age is the time that has passed since birth, the biological age is determined by physiological signs of aging. Methylation at CpG sites has proven to be a promising biomarker of biological age, and ... -
Optimizing DNA Extraction from Dried Blood Spots for Biological Age Measurements
(Master thesis, 2021-05)While the chronological age is the time that has passed since birth, the biological age is determined by physiological signs of aging. Methylation at CpG sites has proven to be a promising biomarker of biological age, and ... -
Optimizing home hospital health service delivery in norway using a combined geographical information system, agent based, discrete event simulation model
(Proceedings of the 2017 Winter Simulation Conference;pp. 128, Conference object, 2018-01-08)Home hospital services; provide some hospital level services at the patient's residence. The services include for example: palliative care, administering chemotherapy drugs, changing dressings and care for newborns. The ... -
Optimizing long-term park-level integrated energy system through multi-stage planning: A study incorporating the ladder-type carbon trading mechanism
(Peer reviewed; Journal article, 2024)The integrated energy system is widely acknowledged as an effective method for advancing the adoption of renewable energy sources and reducing carbon emissions. To address economic issues caused by the inconsistency between ... -
Optimizing Power and Energy Efficiency in Cloud Computing
(MEDES '19: Proceedings of the 11th International Conference on Management of Digital EcoSystems;, Conference object, 2019)With the exponential growth in cloud computing, the steadily increasing amount of power consumption due to the use of physical and virtual machines is becoming a serious challenge. In this context, we report a study on ... -
Optimizing SCMs Binder Mix Design for Recycling Sludge in Re-Con Zero Technology
(Master thesis, 2023)Concrete ready mix plant manufacturers face the dual challenges of managing returned concrete and the water required for cleaning the delivery track, as well as the disposal of waste generated during the washing process. ... -
Optimum Design of RC Footings with Genetic Algorithms According to ACI 318-19
(Buildings;Volume 10, Issue 6, Journal article; Peer reviewed, 2020-06-11)Engineers usually use trial-and-error approaches for dealing with design problems where they need to find the most economical design of a structural element in terms of its material cost while satisfying all the safety ... -
Opting out of youth sports: how can we understand the social processes involved?
(Sport, Education and Society;Published online 06 Sep 201, Journal article; Peer reviewed, 2019-09-02)Sports researchers often examine the subject of youth quitting sports through quantitative surveys using fixed-choice questionnaires. In this paper, we analyze 1,248 descriptions offered by youth in the survey Young in ... -
Optiske Illusjoner En studie av optiske og tvetydige illusjoner
(Master thesis, 2016)Dette masterprosjektet har til hensikt å øke bevisstheten om optiske illusjoner i estetiske fag, med den følgende todelte problemstillingen: 1. Hvordan kan en bevisst oppbygging av komposisjon i et bilde skape en tilsiktet ...