Uppsatser om concentration
564 uppsatser · sida 7 av 38
Övrigt arbete · SLU
… is comparable with bottom ash from the rest of Sweden regarding both the total concentrations and environmental aspects. When the values from the analyses of the ash are compared with the standard values for total allowed concentrations announced by the Environmental Protection …
Masteruppsats · SLU
… the presence of growing algae resulted in around 50% lower propamocarb concentration in the medium compared with final concentration in the control without algae. In the short-term study, the presence of live algae cells led to a 30% reduction of propamocarb, compared to the …
Kandidatuppsats · Umeå universitet
… during the last 10 years). The results showed that DOC and total nitrogen (TN) concentrations decreased with increasing age of the forests. In clear-cut lakes (5 year) average DOC- (20.5 mg/L) and TN concentrations (477 µg/L) were higher than the average concentration in lakes …
Examensarbete, avancerad nivå
… is comparable with bottom ash from the rest of Sweden regarding both the total concentrations and environmental aspects. When the values from the analyses of the ash are compared with the standard values for total allowed concentrations announced by the Environmental Protection …
Hur förändras ackumulationen i sjöar påverkade av avverkning jämfört med referenssjöar?
Kandidatuppsats · Umeå universitet
… (October-March) during three consecutive years, and to assess whether the concentrations of DIC and CH4, as well as the ratio DIC:CH4 differs between years and between lakes affected by clearcutting and untreated reference lakes. Water- and gas samples were collected from four …
Examensarbete, avancerad nivå · Uppsala universitet
… The results of the measurements on the industrial wastewater showed that the concentration of BOD varied greatly and therefore seemed to be a contributor of the variations at the treatment plant. It is recommended to reduce the wastewater flow to the treatment plant and to …
Kandidatuppsats · Göteborgs universitet · 2015
… part of the economy in Sweden. Despite its importance, the competition and the concentration level within the Swedish banking sector is relatively unexplored. This paper aims to examine the development of the concentration level in the Swedish banking sector during a period of …
Kandidatuppsats · Uppsala universitet
… main aims of this study was to evaluate if dilution to a standardized platelet concentration (800x109 platelets/L) for IA of PC’s could be used, since platelet concentration has been shown to influence aggregation. The effect of pathogen inactivation (INTERCEPT) on platelet …
litteraturstudie om reningsmetoder samt pilotförsök med jonbytesteknik
Examensarbete · SLU
… effects have been observed after consumption of drinking water with a uranium concentration of 200-300 micrograms U/l. By adding a safety margin a range of maximum contamination levels (MCL) have been defined for drinking water in a number of countries. In Sweden the …
Examensarbete · SLU
… a N2-filled glove-box and divided into sub-samples for determination of total concentrations of Hg-tot, MeHg, C, N, S and Fe in the sediment and Hg, MeHg, organic and inorganic carbon, pH, dissolved H2S, Cl and SO4 in the pore water. The potential methylation/demethylation rates …
biobränslets och askans innehåll av tungmetaller relaterat till markernas geokemi
Examensarbete · SLU
… materials in the nonsorted samples. The correlation between heavy metal concentrations in soil and needles, as well as the correlation between heavy metal concentrations in soil and branches, were both weak. The reasons for this can be that the heavy metal concentrations in soil …
Chemical stabilization of mine waste with sewage sludge and calcium carbonate residues
C-uppsats · Uppsala universitet
… only analyzed on a few occasions and only for metal content and change in DOC concentration.The results from the laboratory experiments showed that the waste rock from Ljusnarsberg easily leached large amounts of metals. The stabilization of the waste rock succeeded in …
Examensarbete · SLU
… of Sweden. The lake is not directly affected by any industrial pollution and concentrations of Hg in the sediment reflect the atmospheric deposition in this area, as well as processes taking place along the hydrological pathways from soil to lake. Samples from sediment, bottom- …
effekter på våmmetabolismen
Examensarbete · SLU
… Furthermore the effects of glycerol on rumen fluid volatile fatty acids (VFA) concentration and osmolality were analysed. In the second part four rumen fistulated lactating cows received two different glycerol qualities or as a control no glycerol during three two week periods …
Kandidatuppsats · G?teborgs universitet · 2024
… set out in four different alder forests adjacent to the Gullmars fjord. The concentrations were measured using a Picarro? G2508 Gas Concentration Analyzer and then recalculated into a rate, i.e. change in concentration per square meter and hour. Flux rates were then compared to …