11 articles in this issue
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Valerij S. Kovalenko,Viktor Vargalyuk F. Vargalyuk,Nadiia V. Stets
Sergiy O. Polishko
This article deal with the influence of the action of the chemical elements of the multifunctional modifier on the stabilization of the chemical composition and the increase of the level of mechanical characteristics in the wheel steels KP-2 and KP-T were... see more
Olesya P. Priss,Valentina F. Zhukova
Marina Ye. Serdyuk
Aim.The researches are devoted to regularities determination of pectin substances changes of pear fruits during refrigeration storage with antioxidant compositions treatment. Methods. The content of pectin substances was determined by titerometric method,... see more
Vitaly V. Yemets,Mykola M. Dron',Olena S. Kositsyna
Vladimir M. Tertyshnyk,Olga L. Sokolenko,Alexander V. Sachko
Andriy B. Vishnikin,Olena V. Vishnikina,Yuliia V. Miekh,Olena A. Lykholat
The conditional stability constants for various modifications of molybdenum heteropoly anions (HPAs) having Keggin structure were calculated using the results obtained when constructing the molar ratio curves. A comparative study of the stability of the m... see more
Tetiana M. Derkach,Olena O. Starikova
The paper goal was to measure the content of bioactive substances, such as hypericins, some flavonoids and hydroxycinnamic acids, and concentrations of chemical elements, including essential macro- (K, Mg and Na), microelements (Zn, Mn, Cu, Fe, Cr, Ni and... see more
Oleksandra Dvurechenska,Ihor Ishchenko
There are no chemical and biological weapons on the territory of Ukraine, however, in the industrial and everyday use there is a large number of chemicals, which can become chemical weapons. This determines the active participation of Ukraine in the proce... see more
Tatiana V. Luk’yanenko,Alexander B. Velichenko,Olesia B. Shmychkova,Carolina V. Yanova,Natalia I. Krivonosova