Szukana fraza: [Abstract = "Each poration leads to an irregular system of pores which are connected with a system of micro\-capillaries passing through the epidermis. Both the systems by their irregularity form a fractal porous matrix. Drugs administrated by this matrix can be either suspensions and solutions or creams and gels, therefore they have to be modelled as non\-Newtonian fluids. To analyse the fluid flow through the porous matrix the model of the epidermis is assumed as gobbet\-and\-mortar with the tortuous mortar of variable thickness and after transition from the mortar to the tube one considered classical and fractal capillary flows of selected non\-Newtonian fluids."]

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