Essays about: "Emma Nilsson"

Showing result 1 - 5 of 53 essays containing the words Emma Nilsson.

  1. 1. Methane Sulphonic Acid in East Antarctic Coastal Firn and Ice Cores and Its Relationship with Chlorophyll-a and Sea Ice Extent in the Southern Ocean

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Emma Nilsson; [2022]
    Keywords : methane sulphonic acid; firn cores; sea ice proxy; marine primary productivity; Fimbul Ice Shelf; Dronning Maud Land; metansulfonsyra; firnkärnor; havsis-proxy; marin primärproduktion; Fimbulisen; Dronning Maud Land;

    Abstract : The seasonal retreat of sea ice in the austral spring and summer around Antarctica has a significant effect on phytoplankton activity, mainly due to light availability, meltwater input of dissolved iron, and surface water stratification. Phytoplankton produce dimethylsulfoniopropionate, the precursor to the climate-cooling gas dimethyl sulphide, which is ventilated to the atmosphere and oxidised to methane sulphonic acid (MSA). READ MORE

  2. 2. The PTZ camera in a circular economy

    University essay from Lunds universitet/Produktutveckling

    Author : Emma Malmström; Jakob Nilsson; [2022]
    Keywords : Circular economy; Product development; Design for circularity; Circularity guidelines; Mechanical engineering; Technology and Engineering;

    Abstract : Circular economy is a solution for how to achieve sustainable development in the world. A circular economy involves the recirculation of products and materials, and aims to avoid the creation of waste. For a product to be recirculated, the recirculation needs to be considered already in the design phase. READ MORE

  3. 3. Breaking down barriers : A qualitative study on willingness to communicate in EFL classrooms through perspectives from teachers in Sweden

    University essay from Mälardalens högskola/Akademin för utbildning, kultur och kommunikation

    Author : Emma Nilsson; [2021]
    Keywords : willingness to communicate; participation; English as a foreign language; teacher perspectives; Sweden;

    Abstract : This study aims at exploring (1) EFL students’ willingness to communicate (WTC) from the perspectives of some English teachers in Swedish upper secondary schools, and (2) the same teachers’ reported strategies for dealing with their students’ WTC. Six teachers from five different upper secondary schools in Sweden, who all teach English in different programs, volunteered to participate in the study. READ MORE

  4. 4. Euthanizing single or pairs of sick, injured or weak piglets with nitrogen foam : effects on animal welfare

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Emma Nilsson; [2021]
    Keywords : Euthanasia; animal welfare; anoxia; controlled atmosphere; nitrogen; behaviour;

    Abstract : In pig production, it is inevitable having to euthanize some piglets due to sickness, injuries or weakness. The methods available for euthanizing piglets that are 0-42 days are blunt force trauma and captive bolt followed by sticking. READ MORE

  5. 5. Practical comparison of MPC Toolboxes

    University essay from Lunds universitet/Institutionen för reglerteknik

    Author : Emma Nilsson; [2021]
    Keywords : Technology and Engineering;

    Abstract : Model predictive control can be used to control a range of processes, from selfdriving cars to chemical plants. The education of the engineering students that in the future will design these controllers is an important matter. In this thesis, three Matlab toolboxes have been evaluated and compared from a student’s perspective. READ MORE