Sökning: "pollutants"
Visar resultat 21 - 25 av 603 uppsatser innehållade ordet pollutants.
21. Egg-laying and nesting behavior of common eider at Stora Karlsö
Kandidat-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildningSammanfattning : The population of common eider (Somateria mollissima) has suffered a dramatic decline in several breeding locations since the 1990s. Predation is described as one of the main reasons, along with other suggested explanations such as food shortage, environmental pollutants, and thiamine shortage. LÄS MER
22. En jämförande studie av vattenfiltreringsegenskaper mellan musslor inom olika habitat
Kandidat-uppsats, Karlstads universitetSammanfattning : Denna studie handlar om den vanliga sötvattensmusselarten Unio tumidus (U. tumidus), som har en viktig roll i vattenrening genom att filtrera organiskt material. LÄS MER
23. FTIR mätningar av absorptionsvätskor i Bioenergy Carbon Capture and Storage processer
Kandidat-uppsats, KTH/KemiteknikSammanfattning : The effects of global warming are well understood. In order to combat this, society must move towards net zero emissions of green house gases, where carbon dioxide (CO2) plays a key role. In several IPCC climate scenarios that meet the Paris agreement, negative emission technologies that effectively remove CO2 from the atmosphere are included. LÄS MER
24. Water quality improvement of highway runoff by the filter material D-Rainclean : A five-month field trial
Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknikSammanfattning : Highway runoff and its pollutants are of growing concern. These pollutants require treatment as their concentration often are increased. A common removal method is the use of sedimentation ponds that removes particulates through gravity. LÄS MER
25. A Waste of Food-Waste Bags
Kandidat-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskapSammanfattning : It is estimated that the average Swede throws away 61 kg of food waste annually. The more food waste there is, the more food waste bags are required. Since the implementation of a tax on thin plastic bags, grocery stores have been providing fruit bags of paper as an eco-friendly alternative. LÄS MER