The developed method of input impedance characteristics allows to obtain new knowledge about the wave properties of barrier micro- and nanostructures and, on this basis, new effective technical solutions. As an impedance-based method, it is universal for wave structures of any nature. The proposed and developed method of impedance -inhomogeneities combines the advantages of impedance approach and locally lumped properties of -function. For many structures solutions are analytical.

For the intensive development of scientific and technological progress, it is necessary to use new materials with unique desired properties, such as high sorption ability, superconducting properties, high ability to accumulate electric charge, etc. Despite the intensive development of electrical engineering and an increase in the number of portable electronics, it is necessary to use portable sources energy with high rates of charge capacity and cyclability. Currently, one of the most promising is lithium current sources (LCS). Therefore, we can say with confidence that the search for new electrode materials that would provide the above features is undoubtedly an urgent task.

A new concept of constructing an automatic hardness gauge and a surface roughness meter has been created, unlike existing methods, it adheres to its TONTOR measurement technique. New approaches to obtaining microhardness and surface roughness of precision workpieces are based on the physical and mathematical principles of TONTOR technology, which involves measuring the parameters of interacting objects with respect to their field structures.

A new competitive technology has been developed for the molding of structural products from traditional and nanomodified polymer composite materials (PCM) based on the use of effective low-frequency ultrasonic (US) cavitation modes in liquid polymer media. Effective processing parameters were established for the basic technological operations of preparing nanosuspensions, preliminary ultrasonic treatment, disintegration and mixing in the preparation of liquid nanomodified polymer compositions

Mathematical models have been developed and structural and technological parameters of new high-performance technologies of waste-free separation of high-quality rolled products by blanks cut off in presses have been established.

The basic part of the problem of combining physically heterogeneous components in the creation of executive modules of automated systems with programmable control is solved.
The results of the study of the features of the emergence and maintenance of the phenomenon of ultrasonic cavitation and the revealed patterns are the basis of the original design solutions of technological cavitation equipment, which allowed to increase the efficiency of many technological processes and the reliability and operational longevity of cavitation technological equipment

The use of slit high-frequency (HF) indirect cathode sources with indirect cooling of the target for the layer-by-layer deposition of the components on the substrate with their movement over the target surface is substantiated. Designs of sources for the deposition of ferroelectric film from zirconium-hafnium oxides and lead zirconate-titanate, focused on the use of targets with dimensions 68x30x5mm from powders of hafnium, zirconium, titanium, lead oxides, have been finalized.

Models for non-Markov SP networks that use several different S-blocks in one encryption round are built, and algorithms for calculating upper bounds for differential probabilities are specified. The criteria for the practical selection of ARX cryptographic primitives with certain properties based on the automatic evaluation of stability are developed. The cryptanalysis of the new blockchain encryption standard of Ukraine "Kalina" and separate units of the blockchain encryption standard of the Republic of Belarus STB 34.101.31-2011 "BeLT" has been carried out.

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Biologicals based on functionally active bacterial strains of Lactobacillus, Streptomyces and Eremothecium, Trametes and Polyporus fungi have been developed