P Hybásek

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Penetration of herbicides GRAMOXONE and REGLONE through human epidermis was studied "in vitro". A special diffusion equipment was used and the method of Calderbank and Yuen was modified for quantitative determination of efficient components (paraquat, diquat) of both herbicides. Penetration of the chosen herbicides was different and surfactants contained in(More)
A fractional factorial experiment of the 2n type was carried out, to follow the effects of eight factors affecting simultaneously the microbiological purity of creams (Oleocremor leniens, Hydrocremor stearini) during the manufacturer-consumer chain. The effects of these factors (antibacterial substances, container (collapsible tube, pot), type of cream,(More)