Search for dissertations about: "Olof Sandström"

Found 3 swedish dissertations containing the words Olof Sandström.

  1. 1. Reef biostromes and related facies from the Middle Silurian of Gotland, Sweden

    University dissertation from Department of Geology, Lund University

    Author : Olof Sandström; Lunds universitet.; Lund University.; [2000]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; physical geography; Geology; stromatoporoids; facies analysis; palaeobiology; Reefs; biostromes; Geologi; fysisk geografi;

    Abstract : Reef biostromes and related facies from the upper part of Wenlock and from Ludlow were investigated in order to account for their formation, their palaeoecology and biology. In the Hemse Group of Ludlow age, all studied biostromes comprise a low diversity fauna where one or few species dominates. READ MORE

  2. 2. The ecology of the plankton fauna in the Gulf of Bothnia

    University dissertation from Umeå : Umeå universitet

    Author : Olof Sandström; Umeå universitet.; [1980]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Zooplankton; ecology; the Baltic; selective predation production biology; patchiness;

    Abstract : The geographical distribution of the Gulf of Bothnia zooplankton species is presented together with observations of abundancies and vertical distributions. The historical development of this plankton community in the last 70 years is discussed.Spring and summer development of the plankton fauna was studiedin the Bothnian Bay. READ MORE

  3. 3. Antimony recovery from complex copper concentrates through hydro- and electrometallurgical processes

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Samuel Ayowole Awe; Luleå tekniska universitet.; [2013]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chemical engineering - Metallurgical process and manufacturing engineering; Kemiteknik - Metallurgisk process- och produktionsteknik; Process Metallurgy; Processmetallurgi;

    Abstract : Today, one of the major difficulties confronted during copper metallurgy is the elimination of antimony and arsenic impurities from the process. This is because the pure copper ore reserves are becoming exhausted and the resources of unexploited ores often contain relatively high amounts of antimony and arsenic. READ MORE