Browsing Master's theses (TN-IMN, 2007-2017) by Title
Now showing items 54-73 of 233
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Effect of precorrosion by galvanostatic anodic polarization and temperature on the formation rate of iron (ii) carbonate film
(Masteroppgave/UIS-TN-IMN/2011;, Master thesis, 2011)Corrosion on the inside walls of steel pipelines and process equipment is mostly caused by CO2 which can cause property damage on the production and the transport of oil and natural gas. In order to control corrosion of ... -
Effect of rhizospheric and endophytic bacteria on root development of Arabidopsis thaliana and auxin mutants.
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-06-14)Plant root growth is one of the most important factor in determining the plant health and increased crop production. Factors like root length, root hairs and number of secondary roots are crucial for the intake and ... -
Effect of salinity on biological treatment of wastewater from oil industry
(Masteroppgave/UIS-TN-IMN/2009, Master thesis, 2009)High salinity may affect biological wastewater negative by reducing the growth rate of microorganisms. Wastewater from oil industry often contains high salinity which could be problematic to treat. This thesis is to evaluate ... -
Effect of temperature, bicarbonate, and MEG concentration on pre-corroded carbon steels
(Masteroppgave/UIS-TN-IMN/2011;, Master thesis, 2011)CO2 corrosion in carbon steel has been a major problem in many of oil and gas fields for years. One method that has been known to be effective for corrosion control especially in pipeline is pH stabilization. This method ... -
Effect of uvrC gene in mutation induction by 5-formyldeoxyuridine in Escherichia coli
(Masteroppgave/UIS-TN-IMN/2015;, Master thesis, 2015-06-30)The oxidation of the methyl group of thymine by reactive oxygen species forms the mutagenic base residue 5-formyluracil (fU). fU can be removed from DNA in vitro by AlkA (3-methyl DNA glycosylase II) and the Fpg, Nth and ... -
Effect on solids separation from wastewater with varying aeration and mixing conditions
(Masteroppgave/UIS-TN-IKBM/2018;, Master thesis, 2018-06-15)The main objective of this review was to analyze the effect on the separation of solids from wastewater with different conditions of aeration and mixing in order to compare their efficiency when both processes act ... -
Effect studies of different oil and dispersant exposures on keystone pelagic zooplankton species in arctic environments
(Masteroppgave/UIS-TN-IMN/2013;, Master thesis, 2013)Expanding petroleum activities into northern marine areas have resulted in need for tools that specify Arctic specific characteristics when assessing environmental risks for these regions. In order to estimate the environmental ... -
Effects of spiking phosphate on NF ion separation of sea water for designed water
(Masteroppgave/UIS-TN-IMN/2015;, Master thesis, 2015-06)The thesis investigates the Effects of spiking phosphate on nanofiltration (NF) membrane ion separation for production of phosphate-containing designed water. Enhanced oil recovery in carbonate reservoir by seawater injection ... -
Elektrokjemiluminescensmåling av plasma myeloperoksidase
(Masteroppgave;, Master thesis, 2014-12)Myeloperoksidase (MPO) er et enzym som hovedsakelig produseres i aktiverte nøytrofile granulocytter. MPO er involvert i produksjon av underklorsyrling (HOCl), som er et bakteriedrepende stoff og en sterk oksidant. HOCl har ... -
Employing CRISPR-Cas9 approach for DNA free editing of Solanum lycopersicum genome with pre-assembled CRISPR-Cas9 ribonucleoproteins and transcripts
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-06)In recent years there has been an increase in new demands in the agriculture sector due to factors as an increasing population, climate changes and food supplies. Hence, producing more food on less space has become a huge ... -
Energy efficient drill cuttings treatment plant designed by Norwegian-Group AS A feasibility study
(Masteroppgave/UIS-TN-IMN/2015;, Master thesis, 2015-01-29)The cuttings produced by the oil and gas industry must be handled according to legislations. According to OSPAR, drill cuttings should contain less than 1 percent oil by weigh before discharged. There is several cuttings ... -
Enrichment of immunoaffinity technique to capture Lil3 proteins
(Masteroppgave/UIS-TN-IMN/2012;, Master thesis, 2012)The experiment in this thesis is set out to learn and understand the biology or chemistry basis and to apply different techniques used in protein biochemistry research as well as to observe the results in practice. Among ... -
Environmental consequences associated with a large-scale blowout of oil in the former disputed area between Norway and Russia in the Barents Sea (a case study)
(Masteroppgave/UIS-TN-IMN/2011;, Master thesis, 2011)The former disputed area between Norway and Russia in the Barents Sea is of increasing interest when it comes to oil and gas exploration and production. The area is likely to open for exploration in the near future as the ... -
Establishing a new high pressure steel multi-cell rocker rig for kinetic hydrate inhibitor testing
(Masteroppgave/UIS-TN-IMN/2011;, Master thesis, 2011)Low dosage hydrate inhibitors (LDHIs) is a cost-effective alternative to traditional thermodynamic inhibitors (THIs), like methanol and glycols, to prevent the occurrence of natural gas hydrates in gas and oilfield operations. ... -
Establishment of new equipment for testing low dosage hydrate inhibitors
(Masteroppgave/UIS-TN-IMN/2013;, Master thesis, 2013)Gas hydrate formation posses a notorious concern for the oil and gas industry, and it only gets bigger because of that the never-ending pursuit of oil and gas compels the industry into deeper and colder waters. Here gas ... -
Estimation Error in Statistical Process Control
(Masteroppgave/UIS-TN-IMN/2016;, Master thesis, 2016-06)This thesis examines estimation errors which occur in control charts with estimated parameters, the effect that these errors have on the charts and the current methods which aim to account for the errors. There is a ... -
Etablering av metode for anrikning og deteksjon av sirkulerende tumorceller i perifert blod
(Masteroppgave/UIS-TN-IMN/2012;, Master thesis, 2012-10-01)Kreftceller som sirkulerer med perifert blod kalles sirkulerende tumorceller (STC). Under de rette forholdene kan disse gi opphav til nye svulster i andre organer (spredning). Kreft i bukspyttkjertelen er den fjerde største ... -
Evaluation and testing of different pre-treatment procedures for making sludge liquor suitable as a nutrient source for growth of microalgae
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010)The objective for this thesis is to find a proper pre-treatment for sludge liquor for the purpose of growing microalgae in the treated solution. Sludge liquor (also called reject water) is the reject/centrate after the ... -
Evaluation of DAPI direct count, computer assisted and plate count methods
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010)The feasibility of using automatic counting of bacteria stained with highly specific and sensitive fluorescing DNA stain DAPI, 4',6-diamidino-2-phenylindole, and direct manual counting to enumerate both pure culture of ... -
Evaluation of kinetic hydrate inhibitors in 1.1 s.g. DW WBM
(Masteroppgave/UIS-TN-IMN/2011;, Master thesis, 2011-06)Intention: This thesis is written as a finishing part of my master degree at the University of Stavanger (UiS). The project has been in collaboration with MI-SWACO, A Schlumberger Company, with Irene M. Færgestad as my ...