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Tongben Wang, Zhifei Ma, Jingming Jiang and Qi Chen
The electric transmission failure induced by the electrostatic migration and deposition of the friction-pair-produced abrasive dusts in the Solar Array Drive Assembly (SADA) is studied for the first time by integrating experiments and Finite Element Meth...
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Ivanka Stoycheva, Boyko Tsyntsarski, Bilyana Petrova, Georgi Georgiev, Temenuzhka Budinova, Nartzislav Petrov, Barbara Trzebicka, Slawomira Pusz, Bogumila Kumanek and Urszula Szeluga
Nanoporous carbon is synthesized on the base of phenol-formaldehyde resin and polyolefin wax, a by-product from industrial production of polyethylene at low pressure. The adsrption of phenol derivates from aqueous solutions on obtained carbon material wa...
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Affonso Celso Gonçalves Junior, Daniel Schwantes, Elio Conradi Junior, Juliano Zimmermann, Gustavo Ferreira Coelho
Pág. e50263
This study evaluated the use of Euterpe oleracea endocarp after chemical modification with H2O2, H2SO4 and NaOH for the removal of Cd2+, Pb2+ and Cr3+ from water. Therefore, the adsorbent was characterized for its chemical composition, Fourier Transform ...
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Volodymyr Korohodskyi,Sviatoslav Kryshtopa,Vasiliy Migal,Andrii Rogovyi,Andrii Polivyanchuk,Georgiy Slyn?ko,Volodymyr Manoylo,Oleh Vasylenko,Oleksandr Osetrov
Pág. 39 - 52
An operating process for engines with spark ignition and direct fuel injection engines which ensures the formation of a stratified lean fuel-air charge under the modes of partial loads and the power composition of the fuel-air mixture at high loads has b...
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Vadym Volokh,Endar Kim,Tetiana Fesenko,Artem Petryshchev,Sergey Artemev,Bohdan Tsymbal,Lesia Makarenko,Andrii Hedzyk,Volodymyr Slabko,Vasyl Khmelovskyi
Pág. 32 - 38
Phase composition and microstructure of the doping alloy obtained by regenerative smelting of technogenic wastes were studied. This is necessary to determine technological characteristics that increase the degree of extraction of doping elements during t...
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Vuk Uskokovic
Despite decades of research into the interaction between cells and nanoparticles, there is a lack of consensus regarding how specific physicochemical characteristics of the nanoparticles, including chemical composition, crystallinity, size, morphology, c...
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Ye Wee Siew, Karina Listiarini Zedda and Svetlozar Velizarov
Acid mine drainage (AMD) is a severe form of environmental pollution that has the potential to contaminate surface and ground waters by introducing heavy metals and lowering the pH. The feasibility of using nanofiltration (NF) as a potentially attractive...
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Nataliia Samoilenko,Liudmyla Shchukina,Antonina Baranova
Pág. 6 - 12
This paper reports results of research into the application of pharmaceutical glass waste, which is a mixture of medical ampoules, in the production of ceramic tiles. Disposal of such waste reduces the negative impact on the environment and contributes t...
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Olena Khomenko,Borys Datsenko,Nataliia Sribniak,Oleksandr Zaichuk,Mykola Nahornyi
Pág. 6 - 13
The physical and chemical processes that occur when obtaining engobe coatings for construction ceramics with the decorative "antiquity" effect were considered, the composition of the charge, the technology of manufacturing and applying of the coatings on...
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Nikolay Prokopiv,Oleg Kharchenko,Edwin Gevorkyan,Yuriy Gutsalenko
Pág. 17 - 21
We have established the influence of heating rate of 150, 350 and 600 °C/min, pressure of 8 and 18 MPa, on the compaction process of the reaction mixture Cr2O3?15AlNnano, the hardness and crack resistance of the dense material. The intensity of compactin...
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