In the last experimental campaign (OP1. 2b) of the stellarator Wendelstein 7-X (W7-X). boronisation as a mean for first wall conditioning was applied for the first time which led to strongly reduced impurity fluxes from plasma-facing components. Thermal detachment at the uncooled target plates of the test divertor unit (TDU) was reached at higher plasma densities and was accompanied b... https://hollandscountryclothinges.shop/product-category/hiking-shoes/