Essays about: "Color Formation"

Showing result 1 - 5 of 20 essays containing the words Color Formation.

  1. 1. The Power of Ignorance - Epistemic Construction of whiteness in Secondary Schools in Germany

    University essay from Lunds universitet/Graduate School

    Author : Linus Covic; [2023]
    Keywords : critical whiteness studies; white ignorance; education; critical discourse analysis; Social Sciences;

    Abstract : Whiteness maintains an “invisible” and often unquestioned normative position within the German society in general and the educational system in particular. Previous research in Critical whiteness Studies has highlighted the importance of directing attention toward whiteness as a system of knowledge and power to effectively counteract its concealed nature and dismantle its normative position. READ MORE

  3. 2. Investigating Brønsted Acidic Deep Eutectic Solvents for Recycling of Lithium Cobalt Oxide

    University essay from Uppsala universitet/Strukturkemi

    Author : Mattias Lindgren; [2022]
    Keywords : Deep eutectic solvents; Recycling; Lithium-Ion Batteries; Cathode Materials; LCO;

    Abstract : Recently, the production of lithium-ion batteries (LIB) has grown rapidly, highlighting the need for efficient and environmentally friendly recycling of LIB waste. In this work, the usage of so-called deep eutectic solvents (DESs) for the leaching of the LIB cathode material lithium cobaltoxide is investigated. READ MORE

  4. 3. Determining the Influence of the Type of Shielding Gas during Additive Manufacturing of an Aluminum Alloy by Monitoring the Process Qualitatively and Analyzing Process Byproducts Quantitatively

    University essay from KTH/Materialvetenskap

    Author : Stefanie Desiree Kleemeyer; [2021]
    Keywords : additive manufacturing; PBF-LB M; aluminum; shielding gas; argon; nitrogen; helium; carbon dioxide;

    Abstract : This thesis analyzes the influence of process gases on the formation and the characteristics of process byproducts that emerge during additive manufacturing of an aluminum alloy belonging to the 2000 series.  In order to address the influence, four pure gases, argon, nitrogen, helium, and carbon dioxide, were used as a shielding gas on the same parameter sets. READ MORE

  5. 4. Accelerated aging of cellulose-based composites in different climate environments : A project provided by Biofiber Tech Sweden AB

    University essay from Uppsala universitet/Institutionen för kemi - Ångström

    Author : Karin Dungner; Ebba Eskner; Amanda Holst; Nina Petersson; Maria Pokosta; John Eric Roos; [2021]
    Keywords : Cellulose; Composites; Accelerated aging; Tensile testing; Color intensity; Polymer; Climate chamber; LDPE; Cellulosa; Kompositer; Accelererad åldring; Dragprov; Färgintensitet; Klimatkammare; Polymer; LDPE;

    Abstract : This paper reviews the effects of accelerated aging with increased humidity and temperature on cellulose-based composites. The composites consist of a matrix of plastic reinforced with cellulose fibers. The company Biofiber Tech Sweden AB provided four different composites and a conventional polyolefin as reference. READ MORE

  6. 5. Decreasing barrier while maintaining shelf-life for highly sensitive products - A more recyclable and sustainable packaging for infant formula

    University essay from Lunds universitet/Förpackningslogistik

    Author : Eva Weishaupt; [2020]
    Keywords : infant formula; packaging material; lipid oxidation; TBARS assay; shelf-life; Technology and Engineering;

    Abstract : With increasing concerns about environmental impacts of the food that is consumed, so is also the concern about packaging materials. This also comprises the packaging that is currently used to pack infant formula (IF), very often containing aluminum as the barrier material. READ MORE