OPTIMAL PROPORTIONS IN THE PREPARATION OF AN OLIGOMER PRESERVING NITROGEN AND SULFUR AS WELL AS THE STUDY OF THE PROPERTIES OF THE RESULTING OLIGOMER Journal title: International scientific journal Science and Innovation Authors: Sanjar Berdiev Subject(s): Archaeology, Arts and Literature, Biological Sciences, Chemistry, Computer and Information Science, Economics, Education, Humanities, Law, Linguistics, Mathematics, Medicine, Philosophy, Physics, Psychology, Social Sciences, Architecture, Agricultural Science