Essays about: "irritation"

Showing result 1 - 5 of 76 essays containing the word irritation.

1. 1. Risk assessment of non-intentionally added substances in polyester yarn made from recycled polyethylene terephthalate (PET)

   University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

   Author : Kristina Arnqvist; [2023]
   Keywords : r-PET; polyester yarn; NIAS; risk assessment;

   Abstract : Polyester is a synthetic material made from polyethylene terephthalate (PET), which is synthesised from fossil raw materials. Many clothing manufacturers are using polyester in their clothing, which, from an environmental perspective, creates a non-sustainable cycle. READ MORE

3. 2. The Overlooked Generation Online: Older Consumers and their attitudes toward Facebook advertising - : A quantitative study examining the factors affecting older consumers' attitudes toward Facebook advertising

   University essay from Uppsala universitet/Företagsekonomiska institutionen

   Author : Rebecca Haddad; Ida Stigfur Strand; [2023]
   Keywords : Facebook Advertising; Social Media; Advertising Attitudes; Older consumers;

   Abstract : Although digital marketing and social media advertising for the past decades has become an integral factor for commercial companies in order to succeed, the group of older consumers seems to have been overlooked. The purpose of this study was to explore and increase the understanding about how Facebook advertising better can be utilized for older consumers [55+] in order to provide professionals with insights about how to better capture this opportunity. READ MORE

4. 3. Isocyanates formation from thermal degradation of polyurethane foam during welding of district heating pipes

   University essay from KTH/Ergonomi

   Author : Muhammad Akram; [2023]
   Keywords : Polyurethane; Isocyanates; District Heating Pipes; Oxy-fuel Welding; Manual Metal Arc Welding;

   Abstract : Polyurethane insulation foam, which is used as insulation on district heating steel and copper pipes, is made from polymerisation of polyol and diisocyanates monomers. Installation of new district heating pipes or replacement of old pipes involves masses of welding activities. READ MORE

5. 4. Development and Evaluation of an Enzyme-Based Sunscreen

   University essay from Lunds universitet/Bioteknik; Lunds universitet/Bioteknik (master)

   Author : Karolina Eriksson Torfgård; [2023]
   Keywords : Enzyme activity; UV-filter; Protease; Biotechnology; Technology and Engineering;

   Abstract : Ultraviolet radiation (UVR), specifically of UVA and UVB, has been associated with the development of both photoaging and photo-carcinogenesis, potentially leading to cancer. The use of sun protection in the form of UV filters is known to minimize these damages. READ MORE

6. 5. Exploring the intersection of deceptive designs and user perceptions in the data economy

   University essay from Stockholms universitet/Institutionen för data- och systemvetenskap

   Author : Jonathan Andersson; Arvid Jedeur-Palmgren; [2023]
   Keywords : Dark patterns; Privacy; Data collection; Data economy;

   Abstract : When users in the EU visits a website, they will face a cookie consent banner because of the current regulations. A framework called “notice-and-consent” is in place to inform users about cookies and their intentions and to receive consent from the user. READ MORE