350 uppsatser · sida 19 av 24
ett hållbart tankande eller ett kortsiktig tänkande?
… of all petrol sold in Sweden. Research studies on ethanol fuel often focus on environmental issues surrounding the production and utilization of ethanol as a fuel, and omits the private and business aspects of the subject. The purpose of this study is to illustrate the economics …
… and increased production as well as increased animal welfare and decreased environmental impact. However, the method is associated with low fertility, high costs and uncertainty whether the sorting process contributes to DNA damage and thereby results in genetically impaired …
… discussion is carried out to further investigate possible correlations between environmental factors and behaviors. A conclusion drawn from the results is that more research needs to be done in this area to get more insight in the welfare of pet rabbits in Swedish households. Of …
… and addition of lime. These treatments are less suitable because of work environmental and economic reasons and therefore new methods are evaluated. One such method is ammonia sanitization. At higher pH the major part of the ammonia is in its uncharged form, NH3, which is the …
En studie om avverkningar och avverkare i skogarna runt Saxdalen i södra Dalarna
… in Saxdalen. The purpose of this thesis is to understand to what degree environmental considerations are taken during regeneration fellings to preserve biodiversity. The focus of the thesis has been the preservation of storm sturdy trees, deciduous trees and standing dread …
ett gång -och cykelstråk anpassat efter trafikanternas rörelsemönster och behov
… theories and empirical studies about perception, security, information design, environmental psychology and behavior. The result shows that individual behavior and movement pattern differs with age, purpose, physical- and other conditions, and layout of the surroundings. A …
Ett examensarbete om akustik- och brandkrav samt en jämförelse av energi- och fuktaspekter
… requirements are fulfilled. This change in the rules together with the great environmental benefits of wood has led to that more companies choose to build apartment buildings with wood. One of these companies is Folkhem Production AB. Kv. Tvättstugan in Sundbyberg is Folkhems …
Ett av de viktigaste folkhälsomålen som finns i både Sverige och i världen är våra försämrade matvanor. Under de senaste decennierna har övervikt och fetma ökat konstant. Insatser för att förbättra situationen har ofta grundats i kunskapsökning. Men man har mer och mer kommit …
… have a number of further research areas: technology exports, reduced cost for environmental effects, the ability to impose a marginal tax on biogas, the potential of charging for waste products and also how foreign actors could affect Sweden’s biogas production and availability.
Samband mellan sänkningsnivåer och vattenkemi i sjöar på sulfidrika sedimentjordar
Lake lowering in sulphide-rich areas is currently a major environmental impact for surface water. This study focuses on whether there is a relationship between a gradient of lake lowering and surface water impacts in areas of sulphide-rich sediments, in order to better …
- vid jordförbättring inom trädgård
Pharmaceuticals are environmental pollutants that are a major threat to aquatic ecosystems and very little is known about their ecological consequences. In this study growth, survival and behaviour (sociability, activity and boldness) of perch fry (Perca fluviatilis) were …
Exponering under embryonalutvecklingen ger effekter på tillväxt, överlevnad och beteende
Pharmaceuticals are environmental pollutants that are a major threat to aquatic ecosystems and very little is known about their ecological consequences. In this study growth, survival and behaviour (sociability, activity and boldness) of perch fry (Perca fluviatilis) were …
Perfluorinated substances (PF) are environmental pollutants that are used to coat fibres of so called ”all weather clothes” to make them water resistant. PF are effectively spread through water. Waste water treatment plants (WWTPs) are a pollutant source of these substances. PF …
En utvärdering av laxfällan vid vattenkraftverket i Forshaga
… fishtrap in Forshaga has never been evaluated scientifically under different environmental conditions. In my study I investigated the importance of discharge on catches of Atlantic salmon and brown trout with the fish-trap using already existing data over a period of ten years …
… during 2010. To minimize the disturbance that wind turbines create the Swedish Environmental Protection Agency has stated a guideline value that noise from wind turbines at nearby residents shouldn’t exceed 40 dBA, at 8 m/s wind speed. With advanced calculation models, like Nord …
