Novel method for the evaluation of the activity of antioxidants (procedure and substrate) за авторством L. I. Koval, V. I. Dziuba, V. I. Pekhno

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Synthesis and study of cobalt (II) complexes of acetoacetic acid esters of primary, secondary and tertiary alcohols за авторством O. O. Shtokvysh, L. I. Koval, V. I. Pekhno

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Peculiarities of bis-chelate complexes of magnesium(II) as ecologically safe and highly effective lubricating additives of new generation in aspects of tribochemistry of steel surf... за авторством O. O. Mishchuk, L. I. Koval, V. I. Dziuba, V. I. Pekhno

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Coordination compounds of metals of life and bioligands as model additives to ecofriendly lubricating compositions за авторством L. I. Koval, V. I. Dziuba, O. L. Ilnytska, V. I. Pekhno, O. O. Mishchuk

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