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Gennadii Kochetov,Oleksandr Kovalchuk,Dmitry Samchenko
Pág. 6 - 13
A study of the products of ferritization processing of galvanic waste: sludge and spent process solutions is carried out. As a result of experiments on dynamic leaching of heavy metal ions, the immobilization properties of the sludge, obtained at differe...
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Gennadii Kochetov,Tatiana Prikhna,Dmitry Samchenko,Oleksandr Kovalchuk
Pág. 6 - 14
This paper considers the prospect of improving the level of environmental safety of industrial enterprises resulting from the implementation of a resource-saving technology for processing the wastes of galvanic production by a ferritization method using ...
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Pavlo Krivenko,Volodymyr Gots,Oleh Petropavlovskyi,Igor Rudenko,Oleksandr Konstantynovskyi,Artem Kovalchuk
Pág. 24 - 32
The essence of the problem related to proper deformations in alkali-activated cements (AAC) complicated with high content of gel-like hydrate formations was analyzed. Cement types diametrically opposite in their compositions and, accordingly, in the cont...
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Oleksandr Kovalchuk,Oleksandr Gelevera,Vasyl Ivanychko
Pág. 33 - 40
This paper reports results from comparative testing the reaction "alkali ? active silica" in traditional Portland cement and alkaline Portland cement with the addition of metakaolin. The research is based on studying the process of structure formation in...
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Borys Liubarskyi,Natalia Lukashova,Oleksandr Petrenko,Bagish Yeritsyan,Yuliia Kovalchuk,Liliia Overianova
Pág. 44 - 52
A procedure has been devised for modeling the dynamic processes in the proposed structure of an electromechanical shock absorber. Such shock absorbers can recuperate a part of the energy of oscillations into electrical energy allowing the subsequent poss...
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Tetyana Zinchuk,Nataliia Kutsmus,Oleksandr Kovalchuk,Olga Charucka
Pág. 609 - 619
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