Essays about: "trace elements analysis"

Showing result 1 - 5 of 41 essays containing the words trace elements analysis.

1. 1. Dairy cow copper status in molybdenum rich areas : focus on copper excretion in faeces, urine and milk

   University essay from SLU/Dept. of Animal Nutrition and Management

   Author : Lisa Stensson; [2023]
   Keywords : dairy cow; ruminant; copper; molybdenum; antagonist; excretion;

   Abstract : Koppar (Cu) är ett essentiellt spårämne med flertalet funktioner hos idisslare men både över- och underutfodring kan ha negativa effekter på djurets hälsa och produktion. Utöver det interagerar Cu med andra mineraler i våmmen vilket minskar tillgängligheten av Cu i tunntarmen. READ MORE

3. 2. Electrolytic Reduction of Iron Oxides in Molten Salt with a Mineralogical Investigation of Magnetite Ore of Tapuli

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Elina Fernö; [2023]
   Keywords : Iron reduction; trace element analysis on magnetite ore; molten salt electrolysis; sodium hydroxide electrolyte; NaOH; greenhouse gas; carbon dioxide; CO2; green ironmaking; Järnreduktion; spårelementanalys på magnetitmalm; smältelektrolys; elektrolys i natriumhydroxid; NaOH; elektrolyt; växthusgas; koldioxid; CO2; grön järnframställning;

   Abstract : This master's thesis covers an investigation of the reduction behavior of different iron oxides when electrolytically reduced with molten salt electrolysis (MSE). The tested iron oxides were wüstite (FeO), hematite (Fe2O3), magnetite (Fe3O4) and magnetite ore concentrate from the Tapuli deposit in Pajala, Norrbotten, Sweden. READ MORE

4. 3. Russia’s Arctic Economic Development : An Evaluation of the 2008-2020 Policy

   University essay from Uppsala universitet/Institutet för Rysslands- och Eurasienstudier; Uppsala universitet/Institutionen för informatik och media

   Author : Erik Mollestam; [2023]
   Keywords : demographics; geoeconomics; hydrocarbon resources; maritime traffic; Northern Sea Route; Russian Arctic;

   Abstract : This qualitative study has evaluated the economic development progression in the Russian Arctic over the 2008-2020 time-period. Departing from the qualitatively formulated official objectives in the Russian Federation’s Policy for the Arctic to 2020 (signed in 2008), this investigation sought to trace the implementation process and analyse the extent in which they have been met. READ MORE

5. 4. Response of foraminifera Ammonia confertitesta (T6) to ocean acidification, warming, and deoxygenation - An experimental approach

   University essay from Lunds universitet/Geologiska institutionen

   Author : Elsa Muller; [2023]
   Keywords : Acidification; Warming; Deoxygenation; Foraminifera; Ammonia confertitesta T6 ; Culture Experiment; Trace elements; Earth and Environmental Sciences;

   Abstract : Ocean acidification, warmer temperatures, and the expansion of hypoxic zones in coastal areas are direct consequences of the increase in anthropogenic activities. However, so far, the combined effects of these stressors on calcium carbonate-secreting marine microorganisms - foraminifera are complex and poorly understood. READ MORE

6. 5. IDENTITY & TECHNO-UTOPIANISM. A Critical Discourse Analysis of Marketing Material and their Sociotechnical Imaginaries.

   University essay from Göteborgs universitet/Institutionen för journalistik, medier och kommunikation

   Author : Albin Åberg; [2022-02-10]
   Keywords : Discourse Analysis; Sociotechnical Imaginaries; Marketing Technology; MarTech; Critical Studies; Identity; Techno- Utopianism;

   Abstract : This research paper sets out to investigate the messaging present in a corpus of texts gathered from Acxiom’s, an American data-analysis and ‘Identity Solutions’-company, website. The paper applies a framework of Critical Discourse Analysis informed by Theo van Leeuwen’s theory of ‘legitimations’ and analyses the findings through the theoretical framework of ‘Sociotechnical Imaginaries’. READ MORE