Uppsatser om high-frequency
226 uppsatser · sida 8 av 16
Examensarbete, grundnivå · Linköpings universitet
The running of gas turbines with low emissions causes high pressure pulsations to arise in the combustion chamber. These pulsations are high amplitude sound vibrations. At some frequencies these are harmful to the gas turbine. Hence these pulsations are monitored to avoid …
Examensarbete · SLU
… system to a portable computer. Each horse was also ridden on a surface with high surface firmness, asphalt or gravel (or both if available). This data was used as reference surfaces since asphalt/gravel are surfaces that could be assumed to have similar characteristics when …
En studie om hur effekten av grön marknadsföring påverkas av förekomsten av miljöargument inom produktkategorin
D-uppsats · Handelshögskolan i Stockholm
… We carry out a quantitative analysis investigating the effect of high versus low frequency of environmental advertising claims within chosen product categories and how these frequently used claims affect the communication efficiency (i.e. ad and brand attitude and intentions) …
Annons
Högskoleuppsats · KTH
… environments usingpassive acoustic detection. The goal was to achieve as high detection as possiblewithout having too high false alarm rate. A short execution time was also desirable.By using the characteristic of an inhalation a band-pass filter was applied to the signalto …
Kandidatuppsats · Uppsala universitet
… environments usingpassive acoustic detection. The goal was to achieve as high detection as possiblewithout having too high false alarm rate. A short execution time was also desirable.By using the characteristic of an inhalation a band-pass filter was applied to the signalto …
a case study of irrigation ponds in Southern Sweden
Masteruppsats · SLU
… selected, preferably Enterobacteriaceae or Pseudomonas spp., based on their high similarity to library strain during the identification in the Omnilog-?system. These were further characterized using Etest-?sticks. Three selected strains were picked for further analyses using …
Kandidatuppsats · Uppsala universitet
… that reason, a statistical mapping of fog, especially along a motorway with high traffic volumes, could be useful in planning to prevent road accidents. The study begins with a theory section describing the formation and deformation of fog, important factors that influences the …
Masteruppsats · KTH
… building. This is mainly due to production processes. A breakdown of the highest electricity consumers are: Industrial processes ” 61.9 kWh/m2/yearLighting ” 35.7 kWh/m2/yearFans ” 33.2 kWh/m2/yearRefrigeration ” 21.8 kWh/m2/yearCompressed air ” 18.9 kWh/m2/yearComputer units ” …
Högskoleuppsats · Linnéuniversitetet
… power can be applied to many areas where continuous operation is highly prioritized. The application of uninterruptible power for motor operation is facilitated using a frequency converter. Direct current operated frequency converters can be applied directly to the power reserve …
Slaktsvins basala behov i kommersiell uppfödning oönskade beteenden, skador och välfärdspåverkan
Kandidatuppsats · SLU
… 10-20% of the body surface is in contact with the floor, so the pressure is high on these spots. Piglets lie down and paddle with their legs, with high liquid content in the tissues, several times an hour, to stimulate and massage the sow's udder. In the existing system, these …
as an indiction of hunger
Masteruppsats · SLU
… and reproduction. Today the feed for gestated sows is often composed by high energy and low dietary fiber grain products such as wheat. Three kg of this kind of feed can often be consumed by the sow within 20 minutes. Hunger leads to stress which often causes some kind of …
Examensarbete · SLU
… thinning (PCT) stems for energy purposes is a interesting way of financing the high cost of preparing dense stands for a profitable first conventional thinning. This concept can be labelled bioenergy thinning. The aim of this study was to quantify the productivity of a Vimek …
Analys av h?rnervmossans invasivitet p? ljunghedens vegetationstyper
Kandidatuppsats · G?teborgs universitet · 2024
… is an alien species in Sweden and is currently classified as composing a "very high risk? of becoming invasive in the country according to SLU, and has in several parts of the world taken over large areas in a short time. The moss is characterized by its preference for disturbed …
Examensarbete · SLU
Modern forestry requires a high degree of machine traffic for clear felling and scarification operations. The machines most frequently used are big and the traffic often results in tracks on the forest ground. There are many small streams running through a forest, in connection …
Examensarbete, grundnivå · Linköpings universitet
One of ABB Power Systems´s business areas is HVDC (High Voltage Direct Current) technology. HVDC is used for transmissions for both short and long distances. One of Power Systems’s products is called HVDC Light. HVDC Light is a relatively new technology for power transmission …