Uppsatser om organic

355 uppsatser · sida 18 av 24

Utlakning av tungmetaller från Skörby deponi

Magisteruppsats · SLU

… water and sediment samples were collected and analyzed for content of organic material, pHand conductivity. Data on plant-available elements and total amounts of heavy metals wasacquired through ICP-analysis.The results show that the Skörby landfill is currently in the …

Slam ? en outnyttjad resurs i skogsbruket

Kandidatuppsats · SLU

… sludge has to be applied to the land. The problem is that the sludge contains organic pollutants and heavy metals. Sewage sludge also contains pathogens, but they are killed efficiently when the sludge is converting to pellets. It is possible to use sludge pellets as an …

Är Lerbodaälven verkligen en problemälv?

undersökning av fosforhalter

Kandidatuppsats · SLU

… also show that much of the measured phosphorus is bound to particles or organic material. 3. Is the soil type the reason why the phosphorus level vary within the catchment? This was one of the first questions that came up when the project started. But due to lack of data, a …

137Cesium i myrsamhällen i Gävleborgs län 24 årefter Tjernobylolyckan

Kandidatuppsats · SLU

… (belonging to the order Hymenoptera) are social insects which collect organic materialfrom a large area around their nests. This study focuses on the 137Cs activity in ant nests andthe cesium accumulation in these nests. The aims were (1) to estimate the 137Cs fall-out in1986 …

Elproduktion ur restvärme

tillämpning av ORC-teknik vid ämnessvalning

Examensarbete, grundnivå · Luleå

I svalhallen vid SSAB i Luleå sker det en omfattande energiförlust till omgivningen då stora mängder nyproducerat stål svalnar. I detta examensarbete studeras möjligheten att ta till vara den energin för att producera el med hjälp av Organisk Rankine Cykel (ORC) teknik. En …

Andlighet och religiositet på Fryshuset

en inblick i en senmodern och global förändringskontext

Magisteruppsats · Södertörns högskola

The aim of this study is to investigate the components of religion and spirituality in the specific context of "Fryshuset" ? a multicultural and glocal arena. Against the backdrop of contemporary researchers such as Heelas and Woodhead and their hypothesis about the "spiritual …

Identifiering av lakbara potentiellt farliga ämnen i gummiasfalt

Kandidatuppsats · Linköpings universitet

… were detected and quantified in the leachates. In addition to the analysis of organic substances, pH was measured too. The leachates produced in this project were also sent to an analysis company for several analyses, for example analysis of metals and sulphur. Toxicity tests …

Matavfallsinsamling - vad tycker Danderydsborna?

Masteruppsats · KTH

Avfallsplanen i Danderyds kommun innefattar ett delmål år 2012 att materialåtervinning ska öka med 40 % från 2009 års nivå. I materialåtervinning inkluderas biologisk behandling av matavfall. En möjlig åtgärd för att uppfylla detta mål är att införa insamling av matavfall för …

Frystorkning Kontrollerad torkning av kulturhistorisk dräkt?

Kandidatuppsats · Göteborgs universitet · 2010

… or watersoaked for other reasons. Air drying textile objects and even other organic materials from awater wet state, involves many problems depending on the strong capillarity action of water.Damages and changes such as bleeding of dyes, stains or lines of impurities from …

What traits make Swedish dairy cows survive?

Masteruppsats · SLU

… herds. Heifers were also found to live longer in loose housing barns and in organic systems. Heifers born or having their first calf during summer or autumn were more likely to live longer than cows born or having their first calf during winter or spring.

Variation i temperaturrespons (Q10) vid nedbrytning av biopolymerer

Magisteruppsats · SLU

Nedbrytningshastigheten för organiskt material i marken kan komma att förändras vid varmare klimat. I dagsläget råder dock oenighet om hur nedbrytningen av organiskt material kommer att reagera på förändrade temperaturer; forskningsrapporter pekar åt olika håll. För att kunna …

Concentration and offtake of trace elements and macronutrients in Italian ryegrass (Lolium multiflorum Lam.) and spring barley (Hordeum vulgare L.) grown on soils amended with water treatment residual sludge

Masteruppsats · SLU

… added during the drinking water treatment processin order to precipitate organic and inorganic material, resulting in aluminium-based drinkingwater treatment residual sludge (WTR). Since 2003 Swedish law no longer permits WTR tobe deposited in lakes, and there is an interest to …