| 摘要 |
The present invention relates to a method for treating an outer surface (2) of a heat transfer fluid tube (1) especially for a receiver of a solar thermal power plant, comprising the steps: of providing the heat transfer fluid tube (1) and treating the outer surface (2) with a hydrogen plasma jet (3) so that a porosity in the range of a nano-scale is created in a thin layer of that outer surface (2). |
