"Luonnontieteiden tiedekunta - Faculty of Natural Sciences" - Selaus tiedekunnan mukaan (- 2018)Opinnäytteet - ylempi korkeakoulututkinto
Viitteet 41-60 / 413
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Biogas Ecosystems - Three Planning Phase Cases in Finland
(2016)
DiplomityöBetween the positive attributes of biogas, national and international goals for biogas promotion, and the current modest production and utilization rates, a clear discrepancy can be seen. Partly, this can be explained by ... -
Biomassaa polttavan kerrosleijukattilan tulipesän kuonaantumisen mallintaminen
(2013)
DiplomityöTuhkan sulaminen ja tulipesän seinille osuvien tahmeiden tuhkapartikkelien aiheuttama kuonaantuminen synnyttävät ongelmia polttoprosesseissa. Seinillä olevat kerrostumat huonontavat lämmönsiirtoa, aiheuttavat korroosiota ... -
Biooxidation of iron and sulphur in bioheap leach liquors
(2013)
DiplomityöFerrous iron oxidation and sulphur oxidation are two of the main metabolic functions in acidophilic microorganisms present in bioleaching environments. Metals recovery from sulphide ores is based on oxidation of an insoluble ... -
Bioprocess optimization using machine learning methods
(2013)
DiplomityöIn bioprocess development, the need for optimization is to achieve improvements in the productivity as well as in the quality of the product. This involves acquiring an overview of dataset associated with different process ... -
Borosilicate glass with enhanced hot forming properties and conversion to hydroxyapatite
(2016)
DiplomityöBioactive glasses are capable of reacting with physiological fluids to form a hydroxy-apatite (HA) layers. This layer, with similar composition than the mineral part of the bone, leads to firm bond between the glass and ... -
Büchin automaateista
(2017)
Valinnaisten opintojen tutkielmaTutkielma käsittelee Büchin automaatteja. Ensiksi esitetään aakkostot, merkkijonot ja kielet, jonka jälkeen edetään deterministiseen ja epädeterministiseen äärelliseen automaattin. Osoitetaan, että näiden ilmaisuvoima on ... -
Cation exchange for ammonia removal from wastewater
(2014)
DiplomityöThe pollution of surface and ground waters by nitrogen (N) is a common problem. Anthropological sources of N in water are from animal farms, untreated municipal, industrial, and agricultural wastewater, which has elevated ... -
Cavitation Erosion Characterization of Francis Turbine Runner Blade Material
(2016)
DiplomityöIn this study, the cavitation erosion resistance was characterized for a steel type used in Francis turbine runner blades. The goal of the study was to define the cavitation erosion rate of the runner blade steel and to ... -
Cell seeding of porous polymer-based scaffolds with human adipose-derived stem cells
(2015)
DiplomityöKudosteknologia pyrkii korjaamaan tai luomaan uusia kudoksia ja elimiä vaurioituneiden tilalle. Se hyödyntää biohajoavia tukirakenteita (skaffoldeja), soluja ja kasvutekijöitä yksinään tai yhdessä. Eräs lupaava kudosteknologian ... -
CFD Analysis of a Horizontal Pulper
(2016)
DiplomityöPulpers are energy intensive equipment that have been used in paper industry for a long time. The energy efficiency and pulping performance of pulpers has improved over the years, but only a few articles have been published ... -
Change point detection in visualizing bus link travel times
(2017)
Pro gradu -tutkielmaThe volume and availability of traffic data has grown tremendously in recent years, and applications based on their analysis continue to offer more and more services to the general public. This work presents a practical ... -
Characterization of a Downdraft Gasifier Fueled by Bamboo - A Pilot Project in Mexico
(2015)
DiplomityöBiomass gasification is a promising technology for using local feedstock to produce synthesis gas that can be applied for electricity production. Different biomasses can be utilized for the process and this study concentrates ... -
Charge density control of quantum dot lattices
(2015)
DiplomityöThe complexity of physical systems in nature is an obstacle for human desire and curiosity to explore new realms of knowledge. As we go further and further, more powerful computers with higher capability both in processing ... -
Cloud-based services users and trust issues : a comparative study of gender and national culture perspectives
(2017)
Pro gradu -tutkielmaCloud-based services are becoming increasingly popular for different purposes such as data storage, application deployment, testing and development, data backup and other such purposes which may include very sensitive and ... -
Combining directed self-assembly of block copolymers with soft lithography
(2014)
DiplomityöBlock copolymers (BCPs) are macromolecules consisting of two or more polymer blocks covalently joined together. These blocks may be thermodynamically incompatible, in which case the repulsive forces between the blocks ... -
Comparison and Development of Ionospheric Correction Methods in GNSS
(2016)
DiplomityöThe ionosphere is one of the largest error sources in GNSS-based positioning, causing a delay in the arrival of the navigation signal. There are some existing correction methods, namely the Klobuchar model, the NeQuick G ... -
Computational Fluid Dynamics Modeling of Pulverized Biomass Combustion Using Optimized Reactivity Parameters
(2016)
DiplomityöIn this work, optimized apparent reactivity parameters are used for combustion modeling of two biomass fuels. The main goal is to examine how the existing solid fuel models in the commercial Computational Fluid Dynamics ... -
Conceptual design on computer sentencing simulation based on SVM
(2018)
Pro gradu -tutkielmaThe criminal law in China is a relatively uncertain statutory punishment law, and the judge exercise the equitable discretion within the extent for discretionary action of sentencing. However, influenced by many objective ... -
Cone-Beam Computed Tomography Examinations of the Head and Neck Region in Finland: Indications and Patient Radiation Dose
(2016)
DiplomityöDiagnostic reference levels (DRLs) are pre-determined dose levels employed for patient dose management in diagnostic radiology. Cone-beam computed tomography (CBCT) has gained significant popularity in the imaging of the ... -
Conformational dynamics of functionally important loops of HIV-1 gp120 probed by molecular dynamics simulations
(2015)
DiplomityöAcquired immunodeficiency syndrome (AIDS) is a life-threatening disease caused by human immunodeficiency viruses (HIVs). A protective vaccination has been under development for several decades. The main targets for the ...
