Uppsatser om experiments

339 uppsatser · sida 23 av 23

Uran i dricksvatten

litteraturstudie om reningsmetoder samt pilotförsök med jonbytesteknik

Examensarbete · SLU

… with respect to the functioning of the kidneys. In epidemiological studies and experiments performed on animals negative 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 …

Kemisk stabilisering av gruvavfall från Ljusnarsbergsfältet med mesakalk och avloppsslam

Chemical stabilization of mine waste with sewage sludge and calcium carbonate residues

C-uppsats · Uppsala universitet

… 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 maintaining a near neutral pH in the rock waste …

Metodutveckling för analys av PBDE och HBCD i sediment

C-uppsats · Högskolan i Halmstad

… in food chains. In which way they affect humans we really don’t know yet. Experiments on mice have been done and behavioural disturbances were observed as well as a decrease in learning capacity. The BRFs chosen for this study are hexabromocyclododecan (HBCD) and a …

Sleepless in Örebro

Effekter av kognitiv terapi med beteendeexperiment på ungdomar med primär insomni

D-uppsats · Örebro universitet

Sömnsvårigheter hos ungdomar är ett växande problem i Sverige men det saknas forskning om behandlingsmetoder för åldersgruppen. Syftet med studien var att testa kognitiv terapi med beteendeexperiment (KT-I) på gymnasieungdomar med primär insomni. Studien genomfördes enligt en …

Årstidsdynamik för kvicksilver i ett sövattensediment :

Examensarbete · SLU

… analyzed for Hgtot, MeHg, Ctot, Ntot, Stot, Fetot, pH, H2S(g). In incubation experiments using stable isotope labeling, potential methylation and demethylation rates were determined. In the extracted porewater the following parameters were analyzed; Hgtot, MeHg, DOC, Cl-, SO42- …

Lakningsförsök med furubarksflis

en utredning om utsläpp av fenolföreningar samt metallsorption

C-uppsats · Mälardalens högskola

… by the filter material. The studies were carried out through three leaching experiments. As leachates, double deionised water and storm water were used. The phenol concentration in the leachate was determined for both double deionised water and storm water. The degree of metal …

Betong - Förvånansvärt lättflytande!

C-uppsats · Högskolan i Halmstad

… used and the slump flow achieved. After carrying out some practical experiments using four different superplasticizers a direct relationship can be establish between the percentage of admixture used and the slump/flowability achieved. Unfortunatly at present due to the numerous …

Automatisk genreklassifikation

en experimentell studie

D-uppsats · Högskolan i Borås · 2008

… can be used to classify electronic documents according to genre. A set of experiments is therefore carried out, using only 11 such simple features in an attempt to classify 84 documents belonging to electronic academic journals into three manually identified genres: table of …