STUDY CONCERNING THE INFLUENCE OF CERTAIN HYDROPHILIC AUXILIARIES ON THE PROPERTIES OF THE PLASTICIZED POLYVINYL CHLORIDE POROUS FILMS Part II-HYGIENIC PROPERTIES

The purpose of this paper was to obtain certain PVC films with improved hygienic properties, with applications both in the artificial leather industry and in other domains.This was done by introducing certain hydrophilic auxiliaries with free chemical functions into the chemical structure of the PVC films, such as: collagen hydrolysates (CH), hydro

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On the inflectional categories of the Russian verb

This article is devoted to the classification of the verb forms of the Russian language.The article presents inflectional categories in the form of classes, subclasses and groups, on the basis of which the system of the Russian verb can be demonstrated.The question of the process of verbal inflection (derivation of egmont word-forms, paradigm, conj

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