Marián Babiak

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This paper deals with the influence of addition of abraded fiber, as a partial substitute of softwood fibers, on the properties of insulating fiberboard. The fiber used was characterized by fractional composition of fiber length according to McNett (STN 50 0289) using the apparatus for the measurement of fiber length in aqueous suspension (ADV) and(More)
Steady-state kinetic studies with beta-galactosidase and various substrates were carried out to determine why the ratio of transgalactosylis to hydrolysis increased as a function of pH from 7.0 to 10.0. The rate constant (k'3) for the formation of galactose (hydrolytic reaction) decreased whereas the rate constant (k4) for the transgalactosylic reaction(More)
The load-bearing capacity of joints using thin steel elements for wood buildings was considered. Six variants of a specific type of joint consisting of two wood elements in a ceiling structure joined by steel angles were experimentally tested. These variants differed in utilization of nails as well as screws (of various lengths) for wood. Another observed(More)
Heat treatment and drying processes of wood are always accompanied by material changes. These changes are partly caused by oxidative reactions. This study aims to compare high temperature drying in inert gas atmosphere with conventional kiln drying of spruce wood. The mechanical properties as well as colour changes were measured after drying. In general,(More)
Wood is a natural raw material that is an integral part of many production processes. By changing the input characteristics of native wood, the qualitative characteristics of the final product can be affected extensively. This article is concerned with examining several factors’ effects (thickness of the material; number of loading cycles) on the bending(More)
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