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This paper considers the effects of defects in the form of cracks on the failure properties in the thickness direction of multilayered board. The objective was to study how the peak stress value changes with various crack lengths under various load conditions. Specimens with manufactured cracks cut parallel to the machine-direction–cross-machine-direction plane were glued in the Arcan device and t
This article outlines an experimental and numerical study of moisture in concrete subjected to air, water or sealed curing. For this purpose columns of eight qualities of concrete were studied at 3 different ages each over a period of 450 days. Parallel studies of hydration, internal relative humidity, self-desiccation and strength were carried out. Finally the article presents an analysis of the
Many Aymara men and women claim that human knowledge as transmitted through language is pure ‘siwsawi’, i.e. talk, opinions, views and judgments of particular individuals. As such it is knowledge of a particular kind; it is knowledge concerning the opinions of other humans, nothing else. It is thereby significantly different from the non-linguistic, experiential knowledge that is lived-through and
The olfactory response from male pheromone sensitive sensilla was investigated in the endemic New Zealand brownheaded leafrollers Ctenopseustis obliquana (Walker) and C. sp. ‘ropeana' (Lepidoptera, Tortricidae). The responses from 281 sensilla from the parental strains and from both the reciprocal crosses, including F1, F2 and maternal and paternal backcrosses were recorded, and statistically anal
