00679naa#a2200181#i#450# EN\\bibl\8039 20250416181536.3 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Application of computer modelling by method of final elements when designing concentrators of ultrasonic fluctuations for processing equipment Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 4 с. Journal article local Zlobina I. Petrovskiy A. anni.editorum.ru