http://dspace.nbuv.gov.ua:80/handle/123456789/114726 2026-04-12T04:50:27Z 2026-04-12T04:50:27Z Lisachuk, G.V. Bilostotska, L.O. Trusova, Yu.D. Vernygora, K.P. Podchasova, K.V. Krivobok, R.V. http://dspace.nbuv.gov.ua:80/handle/123456789/119711 2017-06-09T00:03:40Z 2015-01-01T00:00:00Z

Directed phase formation of functional glass-crystalline coatings for ceramics in TiO₂-Al₂O₃-SiO₂ system Lisachuk, G.V.; Bilostotska, L.O.; Trusova, Yu.D.; Vernygora, K.P.; Podchasova, K.V.; Krivobok, R.V. Possibility of obtaining of thin crystallization (less than 4 μm) of non-fritt coatings by adding significant number (up to 15 wt.%) of tin dioxide (SnO2₂) to their compounds was studied. It was found that titaniferous coatings, containing SnO₂ as mineralizer, promotes the directed mullite and stable anosovite phase formation. Glass-crystalline coatings with the easy-to-clean and biostability properties were obtained upon moulding temperature up to 1200°C.

2015-01-01T00:00:00Z Mokrinskaya, E.V. Studzinsky, S.L. Chuprina, N.G. http://dspace.nbuv.gov.ua:80/handle/123456789/119710 2017-06-09T00:03:38Z 2015-01-01T00:00:00Z

Synthesis and investigation of information media based on halogen-containing oligomers Mokrinskaya, E.V.; Studzinsky, S.L.; Chuprina, N.G. New carbazolyl containing oligomeric (CO) photosemiconductors which contain "heavy" bromine and iodine atoms were synthesized by cationic polymerization. In order to reduce the softening temperature of respective CO to the photothermoplastic holographic information recording method required level, the cationic copolymerization of corresponding bromine-containing carbazolyl monomers with butyl glycidyl ether and α-naphthyl glycidyl ether was carried out. The informational properties of the holographic recording media based on obtained oligomeric composites films for the photothermoplastic method of holograms recording were investigated.

2015-01-01T00:00:00Z Pinchukova, N.A. Lyapunov, N.A. Bezuglaya, E.P. Voloshko, A.Yu. Lyapunov, A.N. Merko, M.A. Chebanov, V.A. http://dspace.nbuv.gov.ua:80/handle/123456789/119709 2017-06-09T00:02:46Z 2015-01-01T00:00:00Z

Effect of different particle size reduction techniques on the nefopam and aciclovir dispersity Pinchukova, N.A.; Lyapunov, N.A.; Bezuglaya, E.P.; Voloshko, A.Yu.; Lyapunov, A.N.; Merko, M.A.; Chebanov, V.A. Presents the results of application of different particle size reduction approaches to the drug substances - aciclovir and nefopam, namely, wet milling, ultrasonic (US) dispergation, US crystallization and US antisolvent precipitation. All ultrasonic experiments were performed at two operation frequencies - 22 and 44 kHz. It was shown that the crucial parameters in US processes were US output power and sonication time, while the US frequency had a minor effect within the studied power range. US antisolvent precipitation showed the best results among the applied techniques yielding micron-sized particles of aciclovir, which makes this method a very promising technique in nanocrystallization area. The obtained study results provide an opportunity to choose the optimal particle reduction technique depending on the necessary particle size of drug substance suitable for a particular dosage form.

2015-01-01T00:00:00Z Shmeleva, L.V. Suprun, A.D. http://dspace.nbuv.gov.ua:80/handle/123456789/119708 2017-06-09T00:02:42Z 2015-01-01T00:00:00Z

Features of generalized dynamics of quasiparticles in the presence of an external potential field. Part 1. General analysis of the problem Shmeleva, L.V.; Suprun, A.D. The influence of the external field (electrostatic) of an arbitrary spatial configuration on the common dynamic properties of the free quasiparticle of type of injecting in the semiconductor or dielectric electron is examined. In the quasi-linear approximation with respect to the external field and in the generalized approximation of flat wave in the phase of wave function the completely agreement of simultaneous quantum description (basic) and a description of the classical type (for the dynamics of quasiparticle) is possible. Correlations, which save determinations of basic dynamic characteristics of quasiparticle the same as they are in the absence of an external field established also.

2015-01-01T00:00:00Z