Sökning: "polyethylene"
Visar resultat 16 - 20 av 196 uppsatser innehållade ordet polyethylene.
16. Undersökning av förpackningstyp & förpackningsmaterial för perfusionslösning vid njurtransplantation
Kandidat-uppsats, Lunds universitet/Avdelningen för Biomedicinsk teknikSammanfattning : The demand for kidney transplantation is growing while the number of donors continues to be insufficient, prolonging the process. Today’s method has a short time frame for carrying out the transplant, where the kidney must be taken out within 30-60 minutes after death. LÄS MER
17. The Effects of Material Properties in Saw Chain Cutting Efficiency Tests : Investigating the repeatability of cutting efficiency tests
Master-uppsats,Sammanfattning : Manufacturers of saw chains continuously strive to increase the performance of their products by reducing cutting times and minimising the energy consumption required for cutting. However, the evaluation process through testing is problematic as several uncontrollable factors impact the results. LÄS MER
18. Framtagning av ett koncept för spånborttagning
Kandidat-uppsats, Malmö universitet/Fakulteten för teknik och samhälle (TS)Sammanfattning : Razorback är ett företag konsultföretag i Lund som främst fräser ut detaljer till konstruktioner i polyoximetylen (POM) och polyeten (PE). När detaljerna har frästs ut sitter det kvar lösa spån som behöver tas bort innan detaljerna ska monteras ihop. Idag utförs spånborttagningen manuellt av en person vilket är tidskrävande. LÄS MER
19. Prediction of Plastic Fragments in Recycled Paper Using Near-Infrared Spectroscopy
Master-uppsats, Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)Sammanfattning : Sustainability has gained a lot of attention in the field of research. Researchers and consumers both prioritize sustainability and environmental issues over previously dominant materials, such as plastic. Packaging and disposable items that used to be made of plastic have largely been replaced with paper. LÄS MER
20. Assessment Of Plastic Degrading Abilities Of Autotransporter Domains Containing Esterase On Synthetic Polyesters
Master-uppsats, Lunds universitet/Bioteknik; Lunds universitet/Bioteknik (master)Sammanfattning : In today's world, plastic pollution has become a widespread problem with plastics in oceans, rivers and forests. The use of plastic has increased rapidly since it first was developed and that is because of its advantageous abilities. LÄS MER