Sökning: "Elsa K"
Hittade 2 avhandlingar innehållade orden Elsa K.
1. Suitability of industrial residues for preventing acid rock drainage generation from waste rock
Sammanfattning : One of the main and most challenging environmental problems related to mining is the generation of acid rock drainage (ARD), a leachate characterized by low pH and elevated concentrations of sulfate, metals, and metalloids formed when sulfide-bearing minerals are subjected to oxygen and water. During the operation of a mine, waste rock is often deposited in heaps and usually left under ambient conditions, enabling sulfides to oxidize. LÄS MER
2. Leka, lära, öva, arbeta, verkskapa : Elsa Köhler en österrikisk aktivitetspedagog i Sverige
Sammanfattning : This thesis is mainly about the life and work of the Austrian teacher and psychologist Elsa Köhler (1879-1940), but also about the work of her followers on the Swedish West coast. It traces the influences of pedagogic progressivism and the Central European school-reform movements, on the Swedish school and pre-school system, during the first half of the 20th century. LÄS MER