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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Specifika sušení řeziva při nízkých teplotách
 Jarkovský, Petr
This thesis is addressing problems associated with the drying of oak timber in a condensing dryer. The fundamental of the work is verification of suitability of modi-fied drying durations and evaluation of the quality of the crustiness of the dried oak timber. The state of the crustiness is rated via two different methodologies, by the fork test according to ON 49 0651 and by the central cut test as prescribed in ČSN PEN V 14464. The results of both methods are compared. A part of research is also an eva-luation of the possibility of timber damage during the drying process. The work is sup-ported by experiments and practical measurements on test samples whose results are finally graded.
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Olejové povrchové úpravy dřevěných podlah v exteriéru
 Jarkovský, Petr
This Bachelor thesis addresses problems associated with the change of surface tex-ture, shade and gloss retention of outdoors wooden floors treated by oil based coating depending on the type of wood used as well as coating composition. The work is sup-ported by practical measurements on specimens obtained from three different wood varieties which were subjected to three different oil surface treatments. Prepared sam-ples were exposed to outdoors weather conditions for a period of 142 days. Continuous-ly during this time laboratory measurements were performed and their results subsequently evaluated.
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