Maria Leikola

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This paper presents a method for externalising and formalising knowledge involving the selection of hydrometallurgical process flowsheets for gold extraction from ores. A case-based reasoning (CBR) system was built using an open source software myCBR 3.0. The aim of the systems is to recommend flowsheet alternatives for processing a potential gold ore(More)
There is increasing pressure from authorities in many countries to find cyanide-free methods for gold processing due to environmental and safety risks. Therefore, it is now under investigation whether the knowledge extraction and formalization procedure can be applied for comparing cyanide-free leaching methods for a certain type of raw material. Research(More)
Anfang des 20. Jahrhunderts waren die Fichtenbestände Finnlands außerordentlich devastiert, da rohe Dimensionsplenterung, Wald-Feldbau (Schwendackernutzung) und zahlreiche Nebennutzungen den Wald belasteten. Nach dem Ersten Weltkrieg stieg der Bedarf an Säge- und Industrieholz erheblich an. Deshalb mußte die Waldwirtschaft und damit die Fichtenwirtschaft(More)
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