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pro vyhledávání: '"Volodymyr Ishchuk"'
Autor:
Sergii G. Guzii, Volodymyr Romanyuk, Olena Yermakova, Oleg Kostyrkin, Olena Petrova, Volodymyr Ishchuk
Publikováno v:
Solid State Phenomena. 337:129-136
The article presents the results of studies of the positive effect of compounds of the type A(NO3)2, as modifiers of the aluminosilicate adhesive of the composition Na2O∙Al2O∙6SiO2∙20H2O, on increasing the strength of adhesive joints of wood of
Autor:
Natalia Sytnik, Ekaterina Kunitsia, Viktoriia Kalyna, Olena Petukhova, Kostiantyn Ostapov, Volodymyr Ishchuk, Dmytro Saveliev, Tetiana Kovalova, Oleg Kostyrkin, Olena Petrova
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 5, Iss 6 (113), Pp 16-23 (2021)
The processing of oil refining waste is essential from economic and environmental points of view. An important issue is the processing of soapstock to extract fatty acids, which are raw materials for various industries. The two-stage method of fatty