Sökning: "gunnar hedin"

Hittade 3 avhandlingar innehållade orden gunnar hedin.

  1. 1. Dynamo modes in reversed-field pinch plasmas with conducting and resistive shells

    Författare :Gunnar Hedin; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  3. 2. Assemblies of Colloidal Hydrochar Nanoparticles and their Derived Activated Carbons for CO2 Sorption

    Författare :Xia Wang; Niklas Hedin; Gunnar Svensson; Oren Regev; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; colloids; hydrothermal carbonization; glucose; directed assembly; reactive infiltration; templating; silicon carbide; tricopper silicide; redispersion; nanoparticles; chemical activation; activated carbons; CO2 sorption; Materials Chemistry; materialkemi;

    Sammanfattning : Carbon-rich colloids are of great fundamental and technological interest and in this thesis, I tested a range of hypotheses and studied aspects of small hydrochar-based colloids and their colloidal and material chemistry. Crude hydrochar dispersions were synthesized by hydrothermal carbonization of glucose and purified by dialysis. LÄS MER

  4. 3. Embracing Science : Sino-Swedish Collaborations in the Field Sciences, 1902–1935

    Författare :Jan Romgard; Marja Kaikkonen; Stephen Morgan; Hans Ulrich Vogel; Stockholms universitet; []
    Nyckelord :HUMANITIES; HUMANIORA; Republican China; history of science; Geological Survey of China; Academia Sinica; Ding Wenjiang; Weng Wenhao; geology; palaeontology; archaeology; palaeoanthropology; geography; modernization; nationalism; scientific communities; international collaboration; Johan Gunnar Andersson; Sven Hedin; Erik Nyström; Swedish Museum of Natural History; Sino-Swedish Expedition; Central Asia; Asian Languages and Cultures; Asiens språk och kulturer;

    Sammanfattning : In 1902, a Swedish professor at Shanxi University started to study the region’s geology and in 1913, he suggested to the Chinese Republican Government an expansion of these surveys nationwide. As a result, the Head of the Geological Survey of Sweden, J. G. Andersson, was employed as a geological adviser to the Chinese Government. LÄS MER