Uppsatser om polarity

3 uppsatser

Aktiv ventilstyrning

Examensarbete, grundnivå · Luleå

… the change in current direction, to make it possible to achieve the quick polarity switch that is desired for the electromagnets. The results of the measurements were close to the target set. Apart from the desired frequency, we could find that damping trough polarity change was …

Gynnar eller motverkar kommunerna kostnadseffektiv miljöstyrning

en studie av kommunala taxor och avgifter

Examensarbete · SLU

… resources or not. This is carried out by investigating whether there is a polarity between local charges that may influence environmental actions or goods, and effective pollution control set to achieve certain nationally determined environmental goals. The study includes two …