4. Conclusion
Thus, the participation of SPhTI staff in various international scientific activities, acquaintance with the advanced
and relevant scientific issues of that period developed by the leading scientific centers and universities of the world,
the methods and results of their solution contributed to enrichment and enhancement of SPhTI scientists’
qualification. SPhTI scientists’ participation in trips abroad resulted in establishing personal contacts and
communication ties. That became the basis for the regular correspondence and exchange of scientific and technical
information. All that, eventually, favorably influenced the quality of research work, gave new impetus for
organization of large scientific conferences with participation of the leading scientists