Search Results - Yu. Petryna

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  1. 1
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    Strategic Management of Ukrainian Technological Parks' Activity by Yu. Petryna, Ya. Palahitskyi

    Published 2009
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  2. 2
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    Degradation of welded joint metal of the exploited main gas pipeline by O. T. Tsyrulnyk, V. A. Voloshyn, Yu. Petryna, M. I. Hredil, O. I. Zvirko

    Published 2010
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  3. 3
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    Surface strengthening of 40X steel by electric spark alloying by S. I. Kryshtopa, Yu. Petryna, I. M. Bohatchuk, I. B. Prunko, V. M. Melnyk

    Published 2017
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  4. 4
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    Corrosion and corrosion-mechanical fracture of crude oil tank steel by Yu. Petryna, V. M. Hohol, Yu. D. Petryna, O. I. Zvirko, Yu. M. Nykyforchyn

    Published 2015
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  5. 5
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    The influence of alloying with rare earth metals on mechanical properties of 17H1S pipe steel by Yu. Petryna, O. L. Kozak, B. R. Shuliar, Yu. D. Petryna, M. I. Hredil

    Published 2012
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