Retraction notices

Method for Increasing Density of Mixer Elements with Decrease in Frequency and Influence of Modification of Materials on the Technological Process

Type
Retraction
Notice date
9/2/2021 0:00
Journal
Journals of Higher Educational Institutions. Povolga Region. Physical and Mathematical Sciences (Известия Высших Учебных Заведений. Поволжский Регион. Физико-Математические Науки)
Publisher
Penza State University (Пензенский государственный университет)
Notice DOI
unavailable
Original paper DOI
10.21685/2072-3040-2020-4-7

Reasons