Sökning: "contaminations"

Visar resultat 1 - 5 av 68 uppsatser innehållade ordet contaminations.

  1. 1. Ion Induced Particle Desorption From Self Supporting Nanomembranes : Influence of Different Geometries and Particle Types

    Kandidat-uppsats, Uppsala universitet/Tillämpad kärnfysik

    Författare :Jonas Beling; [2023]
    Nyckelord :ion; physics; ion physic; scattering; desorption; sputtering; jon; fysik; jonfysik;

    Sammanfattning : Nanoelectronics is a field undergoing rapid development, meaning knowledge of the materials and methods used in nano-scale systems is a driving force in the industry. Silicon is a well known material in nanoelectronics commonly used as a semiconductor and is therefore a good representative for nanomaterials in general. LÄS MER

  3. 2. The Role of Perfluoroalkyl Substances (PFAS) contaminated food for male infertility : A Scoping review

    Master-uppsats, Linnéuniversitetet/Institutionen för hälso- och vårdvetenskap (HV)

    Författare :Tehseen Kamran; [2023]
    Nyckelord :Per-or polyfluoroalkyl substances; diet; food; male infertility;

    Sammanfattning : Background: The trend of male infertility is increasing and it correlates with industrial development which has introduced various industrial contaminants in the environment and human life. PFASs are one of those contaminants. Humans are exposed to PFAS through various routes and sources, especially through food and diet. LÄS MER

  4. 3. Characterisation of Manufacturing Defects in Anode, Cathode, and Separator of Lithium-ion Batteries

    Master-uppsats, KTH/Materialvetenskap

    Författare :Prathibha Vadakkemuriyil Prasannen; [2023]
    Nyckelord :Lithium-ion battery; Defects; Electrodes; Separators; Analysis; Litiumjonbatteri; Defekter; Elektroder; Separatorer; Analys;

    Sammanfattning : This study characterizes production-line defects in lithium-ion batteries' anode, cathode, and separators. Lithium-ion batteries demand has increased tremendously in the last decades due to their use in various applications, including electric vehicles, portable electronics, and energy storage systems. LÄS MER

  5. 4. Miljövänlig och hållbar additiv tillverkning

    Kandidat-uppsats, KTH/Fiber- och polymerteknologi

    Författare :Yasmina Khadige; Ida Lönn; Sara Thunholm; [2022]
    Nyckelord :Filament; Polyamide 12; SLS waste; FFF printing; recycling;

    Sammanfattning : Den additiva tillverkningsindustrin associeras ofta med en hållbar hushållning av resurser. Trots detta har denna industriavfall med stor potential till vidare användning. LÄS MER

  7. 5. En efterbehandlingsåtgärds påverkan på hållbarhetsaspekter : - en fallstudie av en schaktsanering i ett nedlagt gruvområde

    Magister-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Magdalena Åström; [2022]
    Nyckelord :soil remediation; excavation; sustainability dimensions; climate impact;

    Sammanfattning : The mining industry is an important part of the society’s green transition by providing the metals and minerals necessary for an increased electrification. One downside of the mining industry is that the mining operation typically contaminates the land to some degree. LÄS MER