Sökning: "gunnar hedin"
Hittade 3 avhandlingar innehållade orden gunnar hedin.
Sammanfattning : .... LÄS MER
2. Assemblies of Colloidal Hydrochar Nanoparticles and their Derived Activated Carbons for CO2 Sorption
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
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