Uppsatser om experiments

339 uppsatser · sida 9 av 23

Nytt ventilationssystem till djurstallar :

Examensarbete · SLU

… to other uninsulated barns when the air humidity can be near 100 %. During my experiments, Bollerup has felt brighter than Brandstadholm. The results shows that it is so, but both dairy barns fulfil the rules and regulations. The noise standards in Bollerup is a borderline case …

100 % svenskt foder till mjölkkor :

Examensarbete · SLU

… to the farmers. Some of the results from the study are that, according to experiments and experiences, feeding cows with only Swedish feed works, and that it also works with only home-produced crops. The biggest problem is providing the cows with enough rumen-stable protein …

Optimering av glödgningsparametrar för kromstål

Examensarbete, avancerad nivå · Luleå

… furnace atmosphere. This will be achieved by performing a number of annealing experiments on laboratory level. Also, the aim is to understand the chemical reactions and physical mecanisms controlling the pickling process. This work is expected to lead to timesaving changes in …

Restspänningar i arc-förångade (Ti(1-x)Al(x))N ytskikt<br />

Examensarbete, avancerad nivå · Luleå

… the compressive residual stresses even after annealing of the material. The experiments have been performed in a high temperature x-ray diffractometer (HTXRD) where the interplanar atomic spacing was determined in-situ and subsequent converted into stresses. In addition, tests …

Implementering av realtidsvideolänk med MPEG- och wavelet-teknik

Examensarbete, grundnivå · Linköpings universitet

… the technique is well known. For instance it is used in the JPEG2000-standard. Experiments conducted and published in this report suggest that for some applications the wavelet technique can be a viable candidate, with respect to the MPEG technique, for a video coder.

Utrymning av folkmassor - simulering och verklighet

Kandidatuppsats · Lunds universitet

… a comparison between computer based modeling of evacuation and evacuation experiments with large crowds. Crowd movement, behavior and management is examined, as well as the evacuation time. The conclusions in this report are based on observations made during the evacuation of a …

Lawsonia intracellularis

utvärdering av provtagning med tops : utvärdering av provtagningsteknik med tops vid diagnostik av Lawsonia intracellularis hos tillväxtgrisar

Examensarbete · SLU

… papers mention the use of faecal swabs as sampling material for diagnosis in experiments and in prevalence studies. Therefore the need of an evaluation of this sampling technique is urgent since, to our knowledge, this has not previously been done. Here reported work compare the …

Skördemetoder av industrihampa :

Examensarbete · SLU

… conditions. In Sweden its mainly on Gotland new machines manufactures and experiments has been carried out. It’s very interesting to compare the growers experiences. I’ve been talking to five Swedish growers and there are simularities but also differences how they harvest. How …

Avbördningskapacitet för Traryd kraftverk

en modellstudie vid dimensionerande flöde

Examensarbete, avancerad nivå · Luleå

… literature. For better estimations numerical simulations or laboratory flume experiments can be carried out. After some considerations, it was decided to perform a laboratory model study in scale 1:66. The modelling was initially used to estimate the discharge capacity and …

Identifiering av kast- och variationspåverkande faktorer vid axelsvarvning

en studie utförd med hjälp av statistisk försöksplanering vid ITT Flygt AB

Examensarbete, avancerad nivå · Luleå

ITT Flygt ingår i den amerikanska koncernen ITT Industries Inc. som är ett globalt tillverkningsföretag med 45000 anställda i hela världen. ITT Flygt är världens ledande producent av dränkbara pumpar och omrörare. Produktionen i Sverige är i huvudsak baserad vid en anläggning i …

Koncentrisk hämning och stimulans av bakterietillväxt i agarkulturer

Kandidatuppsats · Högskolan Dalarna

… exposed to the growth inhibitor SDS (Sodiumdodecylsulfat). Agar diffusion experiments revealed repeated, concentric zones of inhibition and stimulation upon exposure to Sodiumdodecylsulphate or to Amoxicillin. Temperature, nutrient concentration and inhibitor concentration were …

Modellering, identifiering och reglering av skannern i ett laserbatymetrisystem

Examensarbete, grundnivå · Linköpings universitet

… The physical model has been derived from Lagranges equations. Identification experiments have been used to compute the Black Box model and to find the unknown parameters in the physical model. Three different controllers have been tested, a PID controller, a model predictive …

Modellering och simulering av det evaporativa bränslesystemet i en personbil

Examensarbete, grundnivå · Linköpings universitet

… according to the over pressure leakage detection concept. Numerical experiments can be done in purpose to examine how changes in environmental conditions or component characteristics will affect the diagnosis method. Good agreement has been found between measurements and …

Hydrolys av primärslam för förbättrande av biologisk fosforreduktion vid behandling av hushållsavloppsvatten [Hydrolysis of primary sludge for enhancement of biological phosphorus removal in household wastewater]

Magisteruppsats · Linköpings universitet

… at the Hammarby Sjöstad experimental plant. These laboratory-scale hydrolysis experiments showed that high temperature and high TS favours VFA-production. The results have also shown that four to five days retention time is suitable at a process temperature higher than 23°C, but …