Essays about: "trace element"
Showing result 1 - 5 of 71 essays containing the words trace element.
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1. Shifting, Linking and Framing : The Case for Technology as a Coherence-Making Textual Device in Literary Realism
University essay from Karlstads universitetAbstract : Literary realism, that is, texts that seek to represent the actual in literature while achieving a sense of verisimilitude, have historically been analyzed and defined by a number of critics. These critics have, with differing approaches, attempted to make comprehensible what it is that constitutes the realist text. READ MORE
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2. APPLICATION OF IN SITU Rb-Sr DATING AND GEOCHEMICAL INVESTIGATIONS ON A NEW, 1.52-1.56 GA. OLD PEGMATITE FIELD IN THE ARCHIPELAGO OFF GOTHENBURG, IDEFJORDEN TERRANE, WESTERN SWEDEN
University essay from Göteborgs universitet/Institutionen för geovetenskaperAbstract : In this study, Rb-Sr geochronology was used to determine the crystallization/cooling ages of muscovites and biotites from mapped primitive barren and rare element pegmatites in the Stora-Le-Marstrand Formation in the southwestern archipelago of Gothenburg. The results indicate that primitive barrens can be linked to the DG2 deformation event that occurred 1. READ MORE
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3. If Trees Could Talk - Dendrochemistry, a Promising Method for Understanding Pollution History
University essay from Göteborgs universitet/Institutionen för geovetenskaperAbstract : Heavy metal pollution presents a significant environmental challenge in the Anthropocene era, and understanding pollution history is crucial to address historical pollution and implementing effective mitigation measures. This study stands among a few comprehensive dendrochemical investigations that utilized an extensive dataset and energy dispersive X-ray fluorescence (EDXRF) technique to reconstruct the contamination history of As, Cd, Cu, Ni, Pb, and Zn, with a focus on Cu. READ MORE
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4. Coupling between iron and humic substances in a land-sea transitional zone in the northern Baltic Sea
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : In marine ecosystems around the world, iron (Fe) is a well-studied and important trace element which has been found to stimulate phytoplankton and cyanobacteria growth, as well as limit nitrogen fixation and being essential for Legionella pneumophila which is known as the main cause of Legionnaires’ disease. Fe also contributes to the brownification of freshwater and has recently been documented to increase in concentration in rivers in Sweden. READ MORE
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5. Calculating the combined elemental composition of spodumene using La_ICP_MS in thin_sections samples from Europe.
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : The study gives a broad background to understand the high demand of lithium batteries in the coming years, especially in Europe. The goal of the study is to use La-ICP-MS to analyse spodumene samples from different lithium deposits in Europe to get a better knowledge of the contents of trace elements in spodumene. READ MORE