Blar i Doctoral theses (RealTek) på tittel
Viser treff 7-26 av 112
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Biodiesel production from Jatropha curcas L. seeds from different agro-climatic zones of Ethiopia: seed processing, oil extraction and optimization of biodiesel production using heterogenous catalysts
(PhD Thesis;2020:66, Doctoral thesis, 2020)Energy is basic for development and its demand increases due to population growth, urbanization, and the improvement of living standards in most parts of the world. Nowadays, the energy sector faces dual challenges, the ... -
Biofuel production potential of Jatropha curcas L: oil characterization for biodiesel production, and enhancing the biogas production potential of various residues using different pretreatment methods
(PhD Thesis;2021:21, Doctoral thesis, 2021)Increasing global fuel prices, growing energy consumption, and profound environmental concerns are the key factors that motivated the search for alternative energy sources. Biofuels such as bioethanol, biodiesel, and biogas ... -
Carbon capture by CaO in molten halide salts
(PhD Thesis;2014:4, Doctoral thesis, 2014) -
Causal factors and health risks associated with faecal contamination and Aedes aegypti infestation in household water storage in Laos and Thailand
(PhD Thesis;2017:89, Doctoral thesis, 2017)The storage of water within the household environment is commonly practiced in many countries in South-east Asia including Laos and Thailand. The practice if not properly managed, can lead to diarrhoea and dengue as a ... -
Chaos enhanced light trapping in optically thin solar cells
(PhD thesis;2020:3, Doctoral thesis, 2020)Photovoltaics is one of the most important sources of renewable energy. Solar cells with thin absorbing layers can be more cost-effective and leave a smaller environmental footprint than the current commercial technology. ... -
A classroom study : students’ creative collaborative mathematical reasoning and teacher actions : design principles for learning of and through CCMR competency
(PhD Thesis;2022:56, Doctoral thesis, 2022)This design-based research study presents results based on observations and analysis of student–student and student–teacher interactions in a Norwegian upper secondary school. The aim of this study was to examine student ... -
Comparative analysis of heterogeneous and homogeneous neural field models
(PhD Thesis;2019:19, Doctoral thesis, 2019)The present thesis is devoted to the comparative analysis of heterogeneous and homogeneous neural field models. The motivation for this work stems from the fact that there is considerable interest in processes in neural ... -
Complexity and deliberation in collaborative socioscientific issues (SSI) inquiry discourse
(PhD Thesis;2014:63, Doctoral thesis, 2014)Argumentation in science classrooms may be modeled on the practices of ‘science proper’, as in experimental work and inquiry learning. Consequentially, argumentation is oriented around matters of truth, or at least on ... -
Comprehensive phenotypic characterization of newly isolated cold-adapted bacteria from Antarctic temporary meltwater ponds
(PhD Thesis;2024:5, Doctoral thesis, 2024)Antarctic meltwater ponds are unique unexplored biotopes characterized by a high complexity of microbiota and affected by ever-changing ecological factors. Cold-adapted bacteria isolated from Antarctic meltwater ponds ... -
Computational discovery and design of organic molecular ferroelectrics
(PhD Thesis;2024:12, Doctoral thesis, 2024)In the early stages, discovered ferroelectrics were unsuitable for industrial applications, but following the discovery of ceramic ferroelectrics, they gained widespread usage in capacitors, actuators, and piezoelectric ... -
Dairy freestall barn layouts and space allocation : effect on milk yield, building costs and labour input in small herds
(PhD Thesis;2010:32, Doctoral thesis, 2010)Tradisjonelt har melkekyr i små besetninger blitt oppstallet i båsfjøs. Selv om bygningskostnadene er lavere for båsfjøs, er løsdriftsfjøs (liggebåsfjøs) generelt mindre arbeidskrevende og dyrehelsa er totalt sett bedre. ... -
Data- and expert-driven feature selection for predictive models in healthcare : towards increased interpretability in underdetermined machine learning problems
(PhD Thesis;2023:34, Doctoral thesis, 2023)Modern data acquisition techniques in healthcare generate large collections of data from multiple sources, such as novel diagnosis and treatment methodologies. Some concrete examples are electronic healthcare record systems, ... -
Design and Control of Intelligent Robotic Systems for Applications in Life Sciences: Biological Sample Preparation and Strawberry Harvesting
(2019;90, Doctoral thesis, 2019)This thesis aims to contribute knowledge to support fully automation in life-science applications, which includes design, development, control and integration of robotic systems for sample preparation and strawberry ... -
Detecting ideas in online communities : utilizing machine learning and text mining for finding ideas in online communities
(PhD Thesis;2017:18, Doctoral thesis, 2017)Online communities serve as a gathering point for dedicated product users and consumers who discuss all imaginable topics. Scholars have argued that this discussion can lead to new ideas useful for firms. That is, if the ... -
Developing models for winter processes in grasslands – Bayesian calibration and sensitivity analysis
(PhD Thesis;2010:9, Doctoral thesis, 2010)For grass-based agriculture at high latitudes, poor overwintering of perennial forage grasses often has economic consequences due to yield loss and re-establishment of grass fields. In order to assess the performance of ... -
Developing offshore floating wind turbines : the Tension-Leg-Buoy design
(PhD Thesis;2016:22, Doctoral thesis, 2016-04-07)A 5 MW Tension-Leg-Buoy (TLB) concept has been optimized and developed. The design is based on the MIT Double Taut Leg, initially proposed by Professor Sclavounos of MIT in 2005. Six variants have been tested, in two wave ... -
Development and verification of methods for the rheological characterization of materials for the process industry
(PhD Thesis;2011:19, Doctoral thesis, 2011)Process control, product quality and process design are continuously demanding new sensors and devices that can assess the rheological behavior of fluid and solid products. The need for more methods comes because of three ... -
Differential inclusions and piecewise models in biochemical and gene regulatory networks
(PhD Thesis;2010:31, Doctoral thesis, 2010)The simplification of a complex system is a widely accepted way of its modeling, the inevitable drawback of which is the ”resolution reduction”, i.e., the loss of information inherent to the real-world processes. In this ... -
Disentangling the risk factors and health risks associated with faecal sludge and wastewater reuse in Ghana
(PhD Thesis;2010:17, Doctoral thesis, 2010)The reuse of faecal sludge and wastewater in agriculture is widespread worldwide. However, the practice is also associated with significant microbial health risks especially in countries where systems for the treatment and ... -
Drivers behind variation in welfare, quality, and production performance in Atlantic salmon farming production data
(PhD Thesis;2021:46, Doctoral thesis, 2021)Atlantic salmon aquaculture is an important industry in Norway and farmed salmon is among the most economically important global aquaculture species. Despite this, the growth of the industry has stagnated in Norway and it ...