Sökning: "Acrylic plastic"

Visar resultat 1 - 5 av 15 uppsatser innehållade orden Acrylic plastic.

1. 1. Comparison of Modified Double Tray Method and 3D scanning i prosthodontics

   Master-uppsats, Umeå universitet/Institutionen för odontologi

   Författare :Elsa Nermo; Eloïse Rousseau; [2023]
   Nyckelord :3D scanning; modified double tray method.;

   Sammanfattning : The purpose of this in vitro study was to investigate and to compare the precision of two different impression techniques for oral prosthetic construction, namely the analogue modified double tray method, and the digital three-dimensional scanning with Trios 3D shape intraoral scanner. The analog method used was a modified double tray method where the tray had been removed to diminish vertical discrepancies in occlusion. LÄS MER

3. 2. Making nets more acoustically visible : Floats as passive mitigation measures to reduce bycatch of harbour porpoise (Phocoena phocoena) in gillnets

   Master-uppsats, SLU/Dept. Of Aquatic Resources

   Författare :Frida Rosshagen; [2023]
   Nyckelord :toothed whales; harbour porpoise; Phocoena phocoena; incidental capture; bycatch; fisheries; fishing gear; ; gillnet; mitigation; reduction; low-cost; passive acoustic reflector; float;

   Sammanfattning : Incidental capture in fishing gear is today affecting at least 112 marine mammal species worldwide and for many smaller toothed whale species (Odontocete), gillnets are considered to be the largest problem. Although some effective mitigation measures exists, these are often context specific and many might be hard to implement due to reasons such as high costs and maintenance. LÄS MER

4. 3. Dynamic simulation and techno-economicevaluation of a seasonally insulated hybridgreenhouse concept for subarctic climates

   Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Författare :Christoffer Alenius; [2023]
   Nyckelord :;

   Sammanfattning : The Swedish authority for social protection and preparedness, MSB, believes that the self-sufficiency of the country must be strengthened in order to be prepared for a crisis. Presently, Sweden is only 50% self-sufficientwhich is very low compared to its neighboring countries; and it is worse the further north you go. LÄS MER

5. 4. Cirkulär ekonomiför plastavfall : Hantering av akrylplast som ett steg mot ett merhållbart samhälle

   Kandidat-uppsats, Jönköping University/Tekniska Högskolan

   Författare :Emma Bondemark; Josefin Heinevik; [2022]
   Nyckelord :Acrylic plastic; Circular economy; Lightning manufacturer; Plastic waste; Plexiglas; PMMA; Polymetylmetakrylat; Recycling Reuse; Akrylplast; Belysningstillverkare; Cirkulär ekonomi; Plastavfall; Plexiglas; PMMA; Polymetylmetakrylat; Återvinning;

   Sammanfattning : Purpose – The aim of the study is to investigate the possibilities for circular economy in acrylicplastic in the lighting industry. To answer the purpose, it was broken down into two researchquestions: [1] What characterizes the handling of acrylic plastic waste by lighting manufacturers? [2] How can lighting manufacturers achieve a more circular handling of acrylic plastic waste? Method – To be able to answer the research questions, a case study was conducted at acompany active in the lighting industry. LÄS MER

7. 5. Utsläpp från vägmarkeringar : Toxicitetstest av lakvatten från vägmarkeringsprodukter med mikroalgen Raphidocelis subcapitata

   Master-uppsats, Stockholms universitet/Institutionen för miljövetenskap

   Författare :Mikaela Österblad; [2021]
   Nyckelord :Microplastics; road markings; leachate; algae growth inhibition test; microalgae; algae growth; lag phase; growth rate; adaptation.; Mikroplast; vägmarkeringar; lakvatten; algtillväxthämningstest; mikroalger; algtillväxt; lag-fas; tillväxthastighet; anpassning.;

   Sammanfattning : Ackumuleringen av plast och mikroplast i miljön är idag en globalt aktuell fråga. Forskning kring mikroplast och dess påverkan på miljö och biota har ökat kraftigt det senaste decenniet. LÄS MER