Now showing items 110-112 of 112

    • Unieke prorobinetinidiene uit Robinia pseudacacia 

      Coetzee, Johan (University of the Free State, 1993-12)
      Afrikaans: Robinia pseudacacia is bekend as 'n harde en duursame houtsoort wat opvallend weerstand teen insekte bied. Tydens 'n vroeëre ondersoek is slegs monomeriese flavanoiede uit die kernhout geïsoleer. Die afwesigheid ...
    • Variation in chemical composition of Harpagophytum species as function of age and locality 

      Mosoabisane, Marereka Francis Tyson (University of the Free State, 2009-12)
      English: Dried tubers, growing on secondary roots of Harpagophytum procumbens subsp. procumbens are widely used as an analgesic and anti-inflammatory medicine against arthritis and other chronic pain conditions. Tubers ...
    • Wood-polymer composites utilizing degraded polyolefins as compatabilizers 

      Ndlovu, Sibusiso Sibongiseni (University of the Free State (QwaQwa Campus), 2011-12)
      English: The effect of degraded LDPE (dLDPE) as compatibilizer on the morphology, as well as thermal, mechanical, and thermo-mechanical properties, of LDPE/wood flour (WF) composites was investigated in this study. The ...