Sökning: "deposition"
Visar resultat 1 - 5 av 668 uppsatser innehållade ordet deposition.
1. Grain Size Analysis of Late Pleistocene Loess Deposits, Jersey
Kandidat-uppsats, Uppsala universitet/Institutionen för geovetenskaperSammanfattning : As the world faces the effects of rapid climate change it is essential that we understand how the Earth’s climate has evolved in recent geological history. The island of Jersey harbours loess deposits which hold clues to recent climate change which have not been extensively studied. LÄS MER
2. Hg concentration in humus soils in different Arctic and Subarctic tundra vegetation types : Including a method comparison for analyzing metals in humus soils
Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskapSammanfattning : Heavy metals, such as mercury (Hg), have a long residence time in the atmosphere and can be transported long distances and deposited in the Arctic via wet and dry deposition. Still, there are few studies on the complex mercury cycle and how different plant groups absorb Hg. LÄS MER
3. Effect of infill density on mechanical and fire properties of polylactic acid composites produced by FDM 3D-printing technology
Uppsats för yrkesexamina på grundnivå, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserSammanfattning : 3D-printing is a new and upcoming manufacturing technique that can significantly reduce time and material losses in production. Fused deposition modeling (FDM) is one of the most commonly used 3D-printing methods for processing conventional thermoplastic polymers. LÄS MER
4. Avsättning av Black Carbon i sediment från Odensjön, södra Sverige
Kandidat-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : Black Carbon är resultatet av ofullständig förbränning av fossila bränslen och biomassa. Partiklarna blir luftburna i samband med förbränning och sprids över hela jorden. Utsläpp och spridning av BC är problematiskt, eftersom partiklarna har stor påverkan på människors hälsa och miljön. LÄS MER
5. Global Warming Induced by Oceanic Anoxic Event 1a Had a Pronounced Impact on the Early Cretaceous Terrestrial Vegetation of Southern Sweden
Master-uppsats, Uppsala universitet/PaleobiologiSammanfattning : The Mesozoic is punctuated by several rapid global warming events that are marked by the worldwide deposition of organic-rich marine sediments. These events, known as oceanic anoxic events (OAEs), are characterised by intervals where the worldwide carbon cycle suffers a disruption due to major palaeoceanographic and climatic shifts, leading to anoxic marine environments and the creation of black shales. LÄS MER
