Sökning: "Common ash"
Visar resultat 16 - 20 av 45 uppsatser innehållade orden Common ash.
16. Alkali Circulation in the Blast Furnace - Process Correlations and Counter Measures
Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Industriell miljö- och processteknikSammanfattning : In blast furnace ironmaking one major challenge is to control and measure the alkalis circulating and accumulating in the blast furnace (BF). Alkali enter the BF with the primary raw material and will form a cycle where it is first reduced to metal at the lower parts forming gas. LÄS MER
17. Development of expression markers for reduced susceptibility in Fraxinus excelsior
Kandidat-uppsats, SLU/Dept. of Forest Mycology and Plant PathologySammanfattning : Common ash (Fraxinus excelsior) extends throughout temperate Europe, and in southern and central Sweden it is one of the most common broad-leaved deciduous trees. It is economically valuable thanks to its elastic, hard and pressure-resistant wood, and pollarded ash trees provide a cultural heritage in many European landscapes. LÄS MER
18. Effects of wood ash on soil fertility and plant performance in southwestern Kenya
Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and EnvironmentSammanfattning : A field experiment was conducted in Kisii county, southwestern Kenya from February to May 2017. The purpose of the study was to examine the effect of wood ash on soil pH, soil nutrient content and productivity of common bean (Phaseolus vulgaris L. LÄS MER
19. Samband mellan isbildning och längdändring i betong med olika bindemedel
Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Avdelningen för ByggnadsmaterialSammanfattning : Betong har under lång tid varit ett av de vanligaste byggnadsmaterialen och används idag i stor utsträckning till framförallt bärande konstruktioner. En bärande konstruktion utsätts för olika typer av påfrestningar och en av de mer problematiska för betong är frostangrepp. LÄS MER
20. De-polymerization and Purification of Kraft Lignin Utilizing the Liquid-Lignin Phase
Master-uppsats, Lunds universitet/Kemiteknik (CI)Sammanfattning : The effects of global warming are apparent and the work towards a sustainable future is underway. In order to reduce the environmental impact caused by the transportation sector, a transition from fossil fuels to those based on renewable resources are important. Using agricultural land to produce raw materials, e.g. LÄS MER