577 uppsatser · sida 20 av 39
… level. The Swedish grid is characterized by long distances betweenpower plants and customers, hence long transmission lines carrying loads of varyingsizes are frequent. This implies that reactive power compensation by capacitors willbe necessary. Furthermore, a freedom of choice …
Tillämpning av modellverktygen MIKE SHE WET och MIKE 21
… is to describe chemical and biological processes in wetlands and how the plants affect the retention of nutrients in the water. Since the program never has been used before, the main work has been to test the model to investigate whether it fulfil its purpose or not. MIKE 21 has …
… to dust explosion awareness and risk information to staff at dust handling plants is also presented.
marknadsföringsstrategier för Svenska FSC
… no clear cutting, replanting and responsibility for the animals and plants are the most important factors that the FSC-brand should guarantee the consumer. The interviews show two different strategies for organizations with limited resources to conduct marketing efforts. FSC …
… bero pa? att en lokal personlighet, som en statstra?dga?rdsma?stare eller en plantskola, förespra?kar en viss sorts perenner. Design och inredningstrenden sa?tter ocksa? sina spa?r pa? perennamarknaden. Man vill kunna möblera om och da? efterfra?gas perenner som passar för …
… in connection to the conditioning. In this case the cellular respiration (the plants breeding that consume sugar until the crop is ensiled) should not continue as long and the forage will perhaps get a higher nutritional value. The capacity of the next machine could also be …
… soil. If you can measure the soil water you don’t risk a water stress on the plants and leaks of nitrogen. The results off soil moisture sensors accuracy is that the usual sensor is good enough to decide when it’s time to start irrigation and the amount of water. The accuracy of …
etanol som fordonsbränsle
… bagasse is burned for the electricity and steam needed for the process. Some plants are even capable of selling surplus electricity to the grid. There are two kinds of ethanol produced: anhydrous, which contains no water and hydrous, or hydrated which contains some five percent …
en psykosocial och ergonomisk studie
För abstract se i pdf-filen For abstract look in the pdf
effekt av plantstorlek och behandling med metyljasmonat
Two field experiments were conducted in central Sweden in order to: 1) Determine a relationship between the number of approaching pine weevils (Hylobius sp.) and the number of attacks by pine weevils, in relation to the size of seedlings of Scots pine (Pinus sylvestris). 2) …
ett utvecklingsförslag för Disagården
… site. There was also an internal order of priority for the sowing of different plants. The crop fields, which were by far the largest source of income for the farmers of Uppland's plain, were situated on nutrient-rich clay soil. Even the cabbage patch whose yield was an …
en växtskadegörare på kål
… certain rules have to be followed. I have collected facts of the biology, host plants and reproduction of the Swede Midge, as well as the growers experiences and the occurrence of the midge in Canada, Europe and Sweden. The Swede Midge is hard to control because of its short …
studier av en mad vid Bornsjön
… process most likely negates the effects of nitrogen and phosphorus uptake by plants. No studies have been done on this type of wetland during the conditions of middle Sweden. Wetlands and ponds of southern Sweden with a high nutrient load have been found to reduce 560 kg N/ha/yr …
… the combination IBA and salix extract should be tested on cuttings from plants normally difficult to root such as birch, beech walnut etc. Substances in salix extract which could be interesting are salicin, saligenin and their metabolites. Increased knowledge in this area could …
Design för optimal hydrologi och kväverening
… nitrogen (N) concentration in the effluent water from wastewater treatment plants are being tightened up. The Rimbo wastewater treatment plant has been imposed to reduce the annual mean concentration of total N in the effluent water to levels below 15 mg l-1. A more and more …
