Sökning: "water content"
Visar resultat 16 - 20 av 1228 uppsatser innehållade orden water content.
16. Exhaust system for hydrogen fuelled combustion engines: effect of high-water content on the SCR vanadium catalyst
Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)Sammanfattning : Transportation represents a key secot in the journey towards a greener future, and alternative solutions are needed to meet the decarbonaisation need. Hydrogen internal combustion engines could represent a solution in the short-term, allowing for emission reduction with limited modification to the already existing traditional combustion engines. LÄS MER
17. Vibrationspåverkan på färsk betongs hållfasthet : En studie av vibrationens inverkan på färsk betong och dess effekt på hållfastheten i det härdade stadiet.
Uppsats för yrkesexamina på grundnivå, Karlstads universitetSammanfattning : Concrete is a durable and long-lasting material that plays an important role in many areas of application such as infrastructure and housing. In order for the fresh concrete to have good stability and meet the desired strength and durability requirements, it needs to be well processed so that it fills the form and encloses the reinforcement well. LÄS MER
18. Optimization of concrete recipe made with crushed aggregate
Uppsats för yrkesexamina på grundnivå, Högskolan i Halmstad/Akademin för företagande, innovation och hållbarhetSammanfattning : This paper investigate however concrete recipes with a specific type ofcrushed aggregate can be optimized to reduce cement content for concreteand compares it to concrete made with natural fine aggregate. The different aggregate types are sieved, and the particle size distribution curve is made for each one. LÄS MER
19. Jag har snövatten! : En kvalitativ studie om de yngsta barnens meningsskapande under kemiaktiviteten ”Olika ämnens löslighet i vatten”
Uppsats för yrkesexamina på grundnivå, Karlstads universitetSammanfattning : The purpose of the study is to contribute with knowledge about the youngest children's meaning-making based on a chemistry content in the activity "Solubility of different substances in water". The study is conducted from a socio-cultural perspective. The study is qualitative and based on the methodological approach Design-based research. LÄS MER
20. Gängkriminalitet – hur framställs det i tidningsmedia? : En Foucault inspirerad diskursanalys
Kandidat-uppsats, Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälleSammanfattning : A frequent news feature today deals with gang crime. The problem of gang crime has emerged as one of the biggest societal challenges to deal with in modern times. News reporting can many times be received by the recipient casually without questioning the content of what is presented. LÄS MER