112 uppsatser · sida 4 av 8
ett småskaligt försök
… providing a great variety to choose from, for different purposes. Cultivating microalgae offer a way to produce energy at great volumes without competing with food production and at the same time the algae offer a way to use our expensive nutrients in a more efficient way …
Nytt koncept i vattenkraftgeneratorer
… a fatigue rig to test whether the concept can handle the intense stress of the micro ” movement that occurs during operation. It is important that Vattenfall is examining and doing an analysis on the micro ” movement that occurs in the blocks where Vattenfall surveillance system …
… water hyacinth (Eichhornia crassipes) and duckweed (Lemna sp.), and two microalgae, Chlorella and Scenedesmus, have been examined regarding their suitability as efficient nutrient removers in the treatment of wastewater with high levels of nutrients and suspended solids from a …
fallstudie av sågverksplanering, kontroll och hantering
… av de intervjuade företagen har valt att planera med hjälp av programvaran Microsoft Office Excel. Syftet med examensarbetet var att undersöka och beskriva sågverkens planeringsproblematik samt att finna likheter och skillnader i de olika processtegen, som har betydelse för …
… of oxygen” This was studied by measuring and sampling, sample preparation and microscopic analysis using an optical microscope and a scanning electron microscope (SEM). Measurements and sampling was performed at Smålands Stålgjuteri AB in Eksjö and at Swerea Swecast AB in …
bakgrund och möjliga lösningar
… the red colour. Some of the most likly theories are reducing hemocromes, high microbiological loads, contamination of nitrite or organic/non organic substanses, DFD meat etc. The intention of the experiments preformed in this project was to try to understand why the hamburgers …
… increase. At higher pH the WWDG is a very good substrate for nutrition, and micro-organisms can grow. To prevent the growth of micro-organisms and affected udder heat when feeding with WWDG, it is important to maintain good hygienic conditions around feeding equipment, feeding …
Composting is a process in which organic matter is mineralized by microorganisms. In January 2005 landfilling of organic waste was prohibited in Sweden. With this prohibition composting has become an important alternative to handle the produced organic wastes. One problem with …
… pH in the rumen sink and this may cause decreased fiber utilization since the microbes in the rumen are negatively affected by this. The cow may also get serious problems such as laminitis and abomasal dislocation. The milk yield and its protein and fat contents is also affected …
provtagning, analys och förslag till åtgärder
… analysis of sulphur isotopes indicated that sulphate reduction might occur in microenvironments of the pit lake. One suggested measure against high acidity is to inject a slurry of reactive lime stone and sewage sludge into the waste rock dump. This should increase the pH and …
… differences observed are due to rolB or other factors such as crop load and micro climate. Further studies are required to confirm this.The conclusion from this study is that rolB does not obviously influence the fruit quality of apple cultivar ”Jonagold” grafted on the …
… every day. Most cases are caused by a small group of so-called pathogenic microorganisms. The most frequently affected are the small children, the elderly, persons with reduced resistance and pregnant. The reasons behind the food poisoning are often ignorance and lack of food …
… study was carried out in Jordan with the purpose to investigate the bacterial microflora of egg shells from cage systems and from deep litter floor systems. Another aim wasto get a general impression of the hygiene, at farm level, of egg production in Jordan andthe factors …
Bestämning av verkningsgrad
… and / or destroy pathogens. The digestion is the stage when anaerobicmicroorganisms convert bio-mass of a substrate to a raw gas containing about 65% of methane. Thegas cleaning is used to increase the methane content to about 97% so the gas can be used for motors invehicles …
effects on intestinal health and fluid balance
… of mammals and birds, uses glycerol as a substrate for production of the antimicrobial compound reuterin. Glycerol has been shown to decrease the number of Escherichia coli in human feces and it is believed to be due to in situ production of reuterin. E. coli belongs to the …
