Fig. 1From: Evaluation of preservative distribution in thermally modified European aspen and birch boards using computed tomography and scanning electron microscopyScanning electron micrographs of aspen and birch on transverse sections. Aspen before (a) and after (b and c) thermal modification. Birch before (d) and after (e and f) thermal modification. White and black arrowheads indicate intrawall and transwall fracture on thermally modified samples, respectively. V vessel, F fiber, Rp ray parenchyma. Scale bars (a, b, d and e) 100 μm, (c and f) 10 μmBack to article page